root / target-mips / translate.c @ a825aefb
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/*
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* MIPS32 emulation for qemu: main translation routines.
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*
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* Copyright (c) 2004-2005 Jocelyn Mayer
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* Copyright (c) 2006 Marius Groeger (FPU operations)
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* Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
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* Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "disas.h" |
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#include "tcg-op.h" |
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#include "qemu-common.h" |
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#include "helper.h" |
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#define GEN_HELPER 1 |
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#include "helper.h" |
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//#define MIPS_DEBUG_DISAS
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//#define MIPS_DEBUG_SIGN_EXTENSIONS
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/* MIPS major opcodes */
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#define MASK_OP_MAJOR(op) (op & (0x3F << 26)) |
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enum {
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/* indirect opcode tables */
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OPC_SPECIAL = (0x00 << 26), |
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OPC_REGIMM = (0x01 << 26), |
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OPC_CP0 = (0x10 << 26), |
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OPC_CP1 = (0x11 << 26), |
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OPC_CP2 = (0x12 << 26), |
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OPC_CP3 = (0x13 << 26), |
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OPC_SPECIAL2 = (0x1C << 26), |
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OPC_SPECIAL3 = (0x1F << 26), |
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/* arithmetic with immediate */
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OPC_ADDI = (0x08 << 26), |
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OPC_ADDIU = (0x09 << 26), |
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OPC_SLTI = (0x0A << 26), |
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OPC_SLTIU = (0x0B << 26), |
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/* logic with immediate */
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OPC_ANDI = (0x0C << 26), |
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OPC_ORI = (0x0D << 26), |
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OPC_XORI = (0x0E << 26), |
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OPC_LUI = (0x0F << 26), |
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/* arithmetic with immediate */
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OPC_DADDI = (0x18 << 26), |
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OPC_DADDIU = (0x19 << 26), |
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/* Jump and branches */
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OPC_J = (0x02 << 26), |
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OPC_JAL = (0x03 << 26), |
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OPC_JALS = OPC_JAL | 0x5,
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OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ |
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OPC_BEQL = (0x14 << 26), |
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OPC_BNE = (0x05 << 26), |
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OPC_BNEL = (0x15 << 26), |
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OPC_BLEZ = (0x06 << 26), |
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OPC_BLEZL = (0x16 << 26), |
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OPC_BGTZ = (0x07 << 26), |
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OPC_BGTZL = (0x17 << 26), |
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OPC_JALX = (0x1D << 26), /* MIPS 16 only */ |
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OPC_JALXS = OPC_JALX | 0x5,
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/* Load and stores */
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OPC_LDL = (0x1A << 26), |
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OPC_LDR = (0x1B << 26), |
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OPC_LB = (0x20 << 26), |
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OPC_LH = (0x21 << 26), |
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OPC_LWL = (0x22 << 26), |
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OPC_LW = (0x23 << 26), |
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OPC_LWPC = OPC_LW | 0x5,
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OPC_LBU = (0x24 << 26), |
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OPC_LHU = (0x25 << 26), |
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OPC_LWR = (0x26 << 26), |
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OPC_LWU = (0x27 << 26), |
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OPC_SB = (0x28 << 26), |
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OPC_SH = (0x29 << 26), |
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OPC_SWL = (0x2A << 26), |
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OPC_SW = (0x2B << 26), |
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OPC_SDL = (0x2C << 26), |
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OPC_SDR = (0x2D << 26), |
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OPC_SWR = (0x2E << 26), |
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OPC_LL = (0x30 << 26), |
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OPC_LLD = (0x34 << 26), |
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OPC_LD = (0x37 << 26), |
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OPC_LDPC = OPC_LD | 0x5,
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OPC_SC = (0x38 << 26), |
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OPC_SCD = (0x3C << 26), |
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OPC_SD = (0x3F << 26), |
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/* Floating point load/store */
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OPC_LWC1 = (0x31 << 26), |
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OPC_LWC2 = (0x32 << 26), |
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OPC_LDC1 = (0x35 << 26), |
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OPC_LDC2 = (0x36 << 26), |
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OPC_SWC1 = (0x39 << 26), |
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OPC_SWC2 = (0x3A << 26), |
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OPC_SDC1 = (0x3D << 26), |
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OPC_SDC2 = (0x3E << 26), |
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/* MDMX ASE specific */
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OPC_MDMX = (0x1E << 26), |
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/* Cache and prefetch */
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OPC_CACHE = (0x2F << 26), |
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OPC_PREF = (0x33 << 26), |
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/* Reserved major opcode */
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OPC_MAJOR3B_RESERVED = (0x3B << 26), |
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}; |
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/* MIPS special opcodes */
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#define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
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enum {
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/* Shifts */
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OPC_SLL = 0x00 | OPC_SPECIAL,
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/* NOP is SLL r0, r0, 0 */
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/* SSNOP is SLL r0, r0, 1 */
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/* EHB is SLL r0, r0, 3 */
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OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ |
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OPC_ROTR = OPC_SRL | (1 << 21), |
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OPC_SRA = 0x03 | OPC_SPECIAL,
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OPC_SLLV = 0x04 | OPC_SPECIAL,
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OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ |
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OPC_ROTRV = OPC_SRLV | (1 << 6), |
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OPC_SRAV = 0x07 | OPC_SPECIAL,
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OPC_DSLLV = 0x14 | OPC_SPECIAL,
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OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ |
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OPC_DROTRV = OPC_DSRLV | (1 << 6), |
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OPC_DSRAV = 0x17 | OPC_SPECIAL,
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OPC_DSLL = 0x38 | OPC_SPECIAL,
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OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ |
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OPC_DROTR = OPC_DSRL | (1 << 21), |
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OPC_DSRA = 0x3B | OPC_SPECIAL,
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OPC_DSLL32 = 0x3C | OPC_SPECIAL,
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OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ |
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OPC_DROTR32 = OPC_DSRL32 | (1 << 21), |
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OPC_DSRA32 = 0x3F | OPC_SPECIAL,
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/* Multiplication / division */
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OPC_MULT = 0x18 | OPC_SPECIAL,
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OPC_MULTU = 0x19 | OPC_SPECIAL,
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OPC_DIV = 0x1A | OPC_SPECIAL,
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OPC_DIVU = 0x1B | OPC_SPECIAL,
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OPC_DMULT = 0x1C | OPC_SPECIAL,
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OPC_DMULTU = 0x1D | OPC_SPECIAL,
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OPC_DDIV = 0x1E | OPC_SPECIAL,
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OPC_DDIVU = 0x1F | OPC_SPECIAL,
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/* 2 registers arithmetic / logic */
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OPC_ADD = 0x20 | OPC_SPECIAL,
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OPC_ADDU = 0x21 | OPC_SPECIAL,
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OPC_SUB = 0x22 | OPC_SPECIAL,
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OPC_SUBU = 0x23 | OPC_SPECIAL,
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OPC_AND = 0x24 | OPC_SPECIAL,
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OPC_OR = 0x25 | OPC_SPECIAL,
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OPC_XOR = 0x26 | OPC_SPECIAL,
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OPC_NOR = 0x27 | OPC_SPECIAL,
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OPC_SLT = 0x2A | OPC_SPECIAL,
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OPC_SLTU = 0x2B | OPC_SPECIAL,
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OPC_DADD = 0x2C | OPC_SPECIAL,
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OPC_DADDU = 0x2D | OPC_SPECIAL,
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OPC_DSUB = 0x2E | OPC_SPECIAL,
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OPC_DSUBU = 0x2F | OPC_SPECIAL,
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/* Jumps */
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OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ |
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OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ |
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OPC_JALRC = OPC_JALR | (0x5 << 6), |
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OPC_JALRS = 0x10 | OPC_SPECIAL | (0x5 << 6), |
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/* Traps */
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OPC_TGE = 0x30 | OPC_SPECIAL,
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OPC_TGEU = 0x31 | OPC_SPECIAL,
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OPC_TLT = 0x32 | OPC_SPECIAL,
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OPC_TLTU = 0x33 | OPC_SPECIAL,
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OPC_TEQ = 0x34 | OPC_SPECIAL,
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OPC_TNE = 0x36 | OPC_SPECIAL,
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/* HI / LO registers load & stores */
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OPC_MFHI = 0x10 | OPC_SPECIAL,
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OPC_MTHI = 0x11 | OPC_SPECIAL,
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OPC_MFLO = 0x12 | OPC_SPECIAL,
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OPC_MTLO = 0x13 | OPC_SPECIAL,
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/* Conditional moves */
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OPC_MOVZ = 0x0A | OPC_SPECIAL,
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OPC_MOVN = 0x0B | OPC_SPECIAL,
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OPC_MOVCI = 0x01 | OPC_SPECIAL,
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/* Special */
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OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */ |
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OPC_SYSCALL = 0x0C | OPC_SPECIAL,
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OPC_BREAK = 0x0D | OPC_SPECIAL,
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OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */ |
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OPC_SYNC = 0x0F | OPC_SPECIAL,
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OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
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OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
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OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
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OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
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OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
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OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
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OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
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}; |
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/* Multiplication variants of the vr54xx. */
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#define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6)) |
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enum {
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OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT, |
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OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU, |
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OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT, |
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OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU, |
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OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT, |
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OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU, |
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OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT, |
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OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU, |
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OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT, |
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OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU, |
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OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT, |
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OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU, |
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OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT, |
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OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU, |
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}; |
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/* REGIMM (rt field) opcodes */
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#define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16)) |
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enum {
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OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, |
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OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, |
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OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, |
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OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, |
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OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, |
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OPC_BLTZALS = OPC_BLTZAL | 0x5, /* microMIPS */ |
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OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, |
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OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, |
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OPC_BGEZALS = OPC_BGEZAL | 0x5, /* microMIPS */ |
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OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, |
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OPC_TGEI = (0x08 << 16) | OPC_REGIMM, |
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OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, |
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OPC_TLTI = (0x0A << 16) | OPC_REGIMM, |
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OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, |
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OPC_TEQI = (0x0C << 16) | OPC_REGIMM, |
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OPC_TNEI = (0x0E << 16) | OPC_REGIMM, |
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OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, |
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}; |
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/* Special2 opcodes */
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#define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
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enum {
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/* Multiply & xxx operations */
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OPC_MADD = 0x00 | OPC_SPECIAL2,
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OPC_MADDU = 0x01 | OPC_SPECIAL2,
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OPC_MUL = 0x02 | OPC_SPECIAL2,
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OPC_MSUB = 0x04 | OPC_SPECIAL2,
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OPC_MSUBU = 0x05 | OPC_SPECIAL2,
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/* Loongson 2F */
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OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2,
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OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2,
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OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2,
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OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2,
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OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2,
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OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2,
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OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2,
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OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2,
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OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2,
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OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2,
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OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2,
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OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2,
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/* Misc */
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OPC_CLZ = 0x20 | OPC_SPECIAL2,
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OPC_CLO = 0x21 | OPC_SPECIAL2,
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OPC_DCLZ = 0x24 | OPC_SPECIAL2,
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OPC_DCLO = 0x25 | OPC_SPECIAL2,
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/* Special */
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OPC_SDBBP = 0x3F | OPC_SPECIAL2,
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}; |
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/* Special3 opcodes */
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#define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
294 |
|
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enum {
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OPC_EXT = 0x00 | OPC_SPECIAL3,
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OPC_DEXTM = 0x01 | OPC_SPECIAL3,
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OPC_DEXTU = 0x02 | OPC_SPECIAL3,
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OPC_DEXT = 0x03 | OPC_SPECIAL3,
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OPC_INS = 0x04 | OPC_SPECIAL3,
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OPC_DINSM = 0x05 | OPC_SPECIAL3,
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OPC_DINSU = 0x06 | OPC_SPECIAL3,
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OPC_DINS = 0x07 | OPC_SPECIAL3,
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OPC_FORK = 0x08 | OPC_SPECIAL3,
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OPC_YIELD = 0x09 | OPC_SPECIAL3,
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OPC_BSHFL = 0x20 | OPC_SPECIAL3,
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OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
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OPC_RDHWR = 0x3B | OPC_SPECIAL3,
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309 |
|
310 |
/* Loongson 2E */
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311 |
OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3,
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OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3,
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OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3,
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OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3,
|
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OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3,
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OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3,
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317 |
OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3,
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318 |
OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3,
|
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OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3,
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320 |
OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3,
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321 |
OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3,
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322 |
OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3,
|
323 |
}; |
324 |
|
325 |
/* BSHFL opcodes */
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326 |
#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
327 |
|
328 |
enum {
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329 |
OPC_WSBH = (0x02 << 6) | OPC_BSHFL, |
330 |
OPC_SEB = (0x10 << 6) | OPC_BSHFL, |
331 |
OPC_SEH = (0x18 << 6) | OPC_BSHFL, |
332 |
}; |
333 |
|
334 |
/* DBSHFL opcodes */
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335 |
#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
336 |
|
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enum {
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OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, |
339 |
OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, |
340 |
}; |
341 |
|
342 |
/* Coprocessor 0 (rs field) */
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343 |
#define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
344 |
|
345 |
enum {
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OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
347 |
OPC_DMFC0 = (0x01 << 21) | OPC_CP0, |
348 |
OPC_MTC0 = (0x04 << 21) | OPC_CP0, |
349 |
OPC_DMTC0 = (0x05 << 21) | OPC_CP0, |
350 |
OPC_MFTR = (0x08 << 21) | OPC_CP0, |
351 |
OPC_RDPGPR = (0x0A << 21) | OPC_CP0, |
352 |
OPC_MFMC0 = (0x0B << 21) | OPC_CP0, |
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OPC_MTTR = (0x0C << 21) | OPC_CP0, |
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OPC_WRPGPR = (0x0E << 21) | OPC_CP0, |
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OPC_C0 = (0x10 << 21) | OPC_CP0, |
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OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, |
357 |
OPC_C0_LAST = (0x1F << 21) | OPC_CP0, |
358 |
}; |
359 |
|
360 |
/* MFMC0 opcodes */
|
361 |
#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
362 |
|
363 |
enum {
|
364 |
OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
365 |
OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
366 |
OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, |
367 |
OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, |
368 |
OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, |
369 |
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
370 |
}; |
371 |
|
372 |
/* Coprocessor 0 (with rs == C0) */
|
373 |
#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
374 |
|
375 |
enum {
|
376 |
OPC_TLBR = 0x01 | OPC_C0,
|
377 |
OPC_TLBWI = 0x02 | OPC_C0,
|
378 |
OPC_TLBWR = 0x06 | OPC_C0,
|
379 |
OPC_TLBP = 0x08 | OPC_C0,
|
380 |
OPC_RFE = 0x10 | OPC_C0,
|
381 |
OPC_ERET = 0x18 | OPC_C0,
|
382 |
OPC_DERET = 0x1F | OPC_C0,
|
383 |
OPC_WAIT = 0x20 | OPC_C0,
|
384 |
}; |
385 |
|
386 |
/* Coprocessor 1 (rs field) */
|
387 |
#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
388 |
|
389 |
/* Values for the fmt field in FP instructions */
|
390 |
enum {
|
391 |
/* 0 - 15 are reserved */
|
392 |
FMT_S = 16, /* single fp */ |
393 |
FMT_D = 17, /* double fp */ |
394 |
FMT_E = 18, /* extended fp */ |
395 |
FMT_Q = 19, /* quad fp */ |
396 |
FMT_W = 20, /* 32-bit fixed */ |
397 |
FMT_L = 21, /* 64-bit fixed */ |
398 |
FMT_PS = 22, /* paired single fp */ |
399 |
/* 23 - 31 are reserved */
|
400 |
}; |
401 |
|
402 |
enum {
|
403 |
OPC_MFC1 = (0x00 << 21) | OPC_CP1, |
404 |
OPC_DMFC1 = (0x01 << 21) | OPC_CP1, |
405 |
OPC_CFC1 = (0x02 << 21) | OPC_CP1, |
406 |
OPC_MFHC1 = (0x03 << 21) | OPC_CP1, |
407 |
OPC_MTC1 = (0x04 << 21) | OPC_CP1, |
408 |
OPC_DMTC1 = (0x05 << 21) | OPC_CP1, |
409 |
OPC_CTC1 = (0x06 << 21) | OPC_CP1, |
410 |
OPC_MTHC1 = (0x07 << 21) | OPC_CP1, |
411 |
OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ |
412 |
OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
413 |
OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, |
414 |
OPC_S_FMT = (FMT_S << 21) | OPC_CP1,
|
415 |
OPC_D_FMT = (FMT_D << 21) | OPC_CP1,
|
416 |
OPC_E_FMT = (FMT_E << 21) | OPC_CP1,
|
417 |
OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1,
|
418 |
OPC_W_FMT = (FMT_W << 21) | OPC_CP1,
|
419 |
OPC_L_FMT = (FMT_L << 21) | OPC_CP1,
|
420 |
OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1,
|
421 |
}; |
422 |
|
423 |
#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
424 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
425 |
|
426 |
enum {
|
427 |
OPC_BC1F = (0x00 << 16) | OPC_BC1, |
428 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
429 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
430 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
431 |
}; |
432 |
|
433 |
enum {
|
434 |
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
435 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
436 |
}; |
437 |
|
438 |
enum {
|
439 |
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
440 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
441 |
}; |
442 |
|
443 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
444 |
|
445 |
enum {
|
446 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
447 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
448 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
449 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
450 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
451 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
452 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
453 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
454 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
455 |
}; |
456 |
|
457 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
458 |
|
459 |
enum {
|
460 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
461 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
462 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
463 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
464 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
465 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
466 |
OPC_PREFX = 0x0F | OPC_CP3,
|
467 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
468 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
469 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
470 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
471 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
472 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
473 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
474 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
475 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
476 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
477 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
478 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
479 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
480 |
}; |
481 |
|
482 |
/* global register indices */
|
483 |
static TCGv_ptr cpu_env;
|
484 |
static TCGv cpu_gpr[32], cpu_PC; |
485 |
static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC];
|
486 |
static TCGv cpu_dspctrl, btarget, bcond;
|
487 |
static TCGv_i32 hflags;
|
488 |
static TCGv_i32 fpu_fcr0, fpu_fcr31;
|
489 |
|
490 |
static uint32_t gen_opc_hflags[OPC_BUF_SIZE];
|
491 |
|
492 |
#include "gen-icount.h" |
493 |
|
494 |
#define gen_helper_0i(name, arg) do { \ |
495 |
TCGv_i32 helper_tmp = tcg_const_i32(arg); \ |
496 |
gen_helper_##name(helper_tmp); \ |
497 |
tcg_temp_free_i32(helper_tmp); \ |
498 |
} while(0) |
499 |
|
500 |
#define gen_helper_1i(name, arg1, arg2) do { \ |
501 |
TCGv_i32 helper_tmp = tcg_const_i32(arg2); \ |
502 |
gen_helper_##name(arg1, helper_tmp); \ |
503 |
tcg_temp_free_i32(helper_tmp); \ |
504 |
} while(0) |
505 |
|
506 |
#define gen_helper_2i(name, arg1, arg2, arg3) do { \ |
507 |
TCGv_i32 helper_tmp = tcg_const_i32(arg3); \ |
508 |
gen_helper_##name(arg1, arg2, helper_tmp); \ |
509 |
tcg_temp_free_i32(helper_tmp); \ |
510 |
} while(0) |
511 |
|
512 |
#define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \ |
513 |
TCGv_i32 helper_tmp = tcg_const_i32(arg4); \ |
514 |
gen_helper_##name(arg1, arg2, arg3, helper_tmp); \ |
515 |
tcg_temp_free_i32(helper_tmp); \ |
516 |
} while(0) |
517 |
|
518 |
typedef struct DisasContext { |
519 |
struct TranslationBlock *tb;
|
520 |
target_ulong pc, saved_pc; |
521 |
uint32_t opcode; |
522 |
int singlestep_enabled;
|
523 |
/* Routine used to access memory */
|
524 |
int mem_idx;
|
525 |
uint32_t hflags, saved_hflags; |
526 |
int bstate;
|
527 |
target_ulong btarget; |
528 |
} DisasContext; |
529 |
|
530 |
enum {
|
531 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
532 |
* exception condition */
|
533 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
534 |
BS_BRANCH = 2, /* We reached a branch condition */ |
535 |
BS_EXCP = 3, /* We reached an exception condition */ |
536 |
}; |
537 |
|
538 |
static const char *regnames[] = |
539 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
540 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
541 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
542 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
543 |
|
544 |
static const char *regnames_HI[] = |
545 |
{ "HI0", "HI1", "HI2", "HI3", }; |
546 |
|
547 |
static const char *regnames_LO[] = |
548 |
{ "LO0", "LO1", "LO2", "LO3", }; |
549 |
|
550 |
static const char *regnames_ACX[] = |
551 |
{ "ACX0", "ACX1", "ACX2", "ACX3", }; |
552 |
|
553 |
static const char *fregnames[] = |
554 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
555 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
556 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
557 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
558 |
|
559 |
#ifdef MIPS_DEBUG_DISAS
|
560 |
#define MIPS_DEBUG(fmt, ...) \
|
561 |
qemu_log_mask(CPU_LOG_TB_IN_ASM, \ |
562 |
TARGET_FMT_lx ": %08x " fmt "\n", \ |
563 |
ctx->pc, ctx->opcode , ## __VA_ARGS__) |
564 |
#define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) |
565 |
#else
|
566 |
#define MIPS_DEBUG(fmt, ...) do { } while(0) |
567 |
#define LOG_DISAS(...) do { } while (0) |
568 |
#endif
|
569 |
|
570 |
#define MIPS_INVAL(op) \
|
571 |
do { \
|
572 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
573 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
574 |
} while (0) |
575 |
|
576 |
/* General purpose registers moves. */
|
577 |
static inline void gen_load_gpr (TCGv t, int reg) |
578 |
{ |
579 |
if (reg == 0) |
580 |
tcg_gen_movi_tl(t, 0);
|
581 |
else
|
582 |
tcg_gen_mov_tl(t, cpu_gpr[reg]); |
583 |
} |
584 |
|
585 |
static inline void gen_store_gpr (TCGv t, int reg) |
586 |
{ |
587 |
if (reg != 0) |
588 |
tcg_gen_mov_tl(cpu_gpr[reg], t); |
589 |
} |
590 |
|
591 |
/* Moves to/from ACX register. */
|
592 |
static inline void gen_load_ACX (TCGv t, int reg) |
593 |
{ |
594 |
tcg_gen_mov_tl(t, cpu_ACX[reg]); |
595 |
} |
596 |
|
597 |
static inline void gen_store_ACX (TCGv t, int reg) |
598 |
{ |
599 |
tcg_gen_mov_tl(cpu_ACX[reg], t); |
600 |
} |
601 |
|
602 |
/* Moves to/from shadow registers. */
|
603 |
static inline void gen_load_srsgpr (int from, int to) |
604 |
{ |
605 |
TCGv t0 = tcg_temp_new(); |
606 |
|
607 |
if (from == 0) |
608 |
tcg_gen_movi_tl(t0, 0);
|
609 |
else {
|
610 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
611 |
TCGv_ptr addr = tcg_temp_new_ptr(); |
612 |
|
613 |
tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
614 |
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
615 |
tcg_gen_andi_i32(t2, t2, 0xf);
|
616 |
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
617 |
tcg_gen_ext_i32_ptr(addr, t2); |
618 |
tcg_gen_add_ptr(addr, cpu_env, addr); |
619 |
|
620 |
tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
|
621 |
tcg_temp_free_ptr(addr); |
622 |
tcg_temp_free_i32(t2); |
623 |
} |
624 |
gen_store_gpr(t0, to); |
625 |
tcg_temp_free(t0); |
626 |
} |
627 |
|
628 |
static inline void gen_store_srsgpr (int from, int to) |
629 |
{ |
630 |
if (to != 0) { |
631 |
TCGv t0 = tcg_temp_new(); |
632 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
633 |
TCGv_ptr addr = tcg_temp_new_ptr(); |
634 |
|
635 |
gen_load_gpr(t0, from); |
636 |
tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
637 |
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
638 |
tcg_gen_andi_i32(t2, t2, 0xf);
|
639 |
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
640 |
tcg_gen_ext_i32_ptr(addr, t2); |
641 |
tcg_gen_add_ptr(addr, cpu_env, addr); |
642 |
|
643 |
tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
|
644 |
tcg_temp_free_ptr(addr); |
645 |
tcg_temp_free_i32(t2); |
646 |
tcg_temp_free(t0); |
647 |
} |
648 |
} |
649 |
|
650 |
/* Floating point register moves. */
|
651 |
static inline void gen_load_fpr32 (TCGv_i32 t, int reg) |
652 |
{ |
653 |
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
654 |
} |
655 |
|
656 |
static inline void gen_store_fpr32 (TCGv_i32 t, int reg) |
657 |
{ |
658 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
659 |
} |
660 |
|
661 |
static inline void gen_load_fpr32h (TCGv_i32 t, int reg) |
662 |
{ |
663 |
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
664 |
} |
665 |
|
666 |
static inline void gen_store_fpr32h (TCGv_i32 t, int reg) |
667 |
{ |
668 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
669 |
} |
670 |
|
671 |
static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
672 |
{ |
673 |
if (ctx->hflags & MIPS_HFLAG_F64) {
|
674 |
tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
675 |
} else {
|
676 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
677 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
678 |
gen_load_fpr32(t0, reg & ~1);
|
679 |
gen_load_fpr32(t1, reg | 1);
|
680 |
tcg_gen_concat_i32_i64(t, t0, t1); |
681 |
tcg_temp_free_i32(t0); |
682 |
tcg_temp_free_i32(t1); |
683 |
} |
684 |
} |
685 |
|
686 |
static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
687 |
{ |
688 |
if (ctx->hflags & MIPS_HFLAG_F64) {
|
689 |
tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
690 |
} else {
|
691 |
TCGv_i64 t0 = tcg_temp_new_i64(); |
692 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
693 |
tcg_gen_trunc_i64_i32(t1, t); |
694 |
gen_store_fpr32(t1, reg & ~1);
|
695 |
tcg_gen_shri_i64(t0, t, 32);
|
696 |
tcg_gen_trunc_i64_i32(t1, t0); |
697 |
gen_store_fpr32(t1, reg | 1);
|
698 |
tcg_temp_free_i32(t1); |
699 |
tcg_temp_free_i64(t0); |
700 |
} |
701 |
} |
702 |
|
703 |
static inline int get_fp_bit (int cc) |
704 |
{ |
705 |
if (cc)
|
706 |
return 24 + cc; |
707 |
else
|
708 |
return 23; |
709 |
} |
710 |
|
711 |
/* Tests */
|
712 |
static inline void gen_save_pc(target_ulong pc) |
713 |
{ |
714 |
tcg_gen_movi_tl(cpu_PC, pc); |
715 |
} |
716 |
|
717 |
static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
718 |
{ |
719 |
LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
|
720 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
721 |
gen_save_pc(ctx->pc); |
722 |
ctx->saved_pc = ctx->pc; |
723 |
} |
724 |
if (ctx->hflags != ctx->saved_hflags) {
|
725 |
tcg_gen_movi_i32(hflags, ctx->hflags); |
726 |
ctx->saved_hflags = ctx->hflags; |
727 |
switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
|
728 |
case MIPS_HFLAG_BR:
|
729 |
break;
|
730 |
case MIPS_HFLAG_BC:
|
731 |
case MIPS_HFLAG_BL:
|
732 |
case MIPS_HFLAG_B:
|
733 |
tcg_gen_movi_tl(btarget, ctx->btarget); |
734 |
break;
|
735 |
} |
736 |
} |
737 |
} |
738 |
|
739 |
static inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
740 |
{ |
741 |
ctx->saved_hflags = ctx->hflags; |
742 |
switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
|
743 |
case MIPS_HFLAG_BR:
|
744 |
break;
|
745 |
case MIPS_HFLAG_BC:
|
746 |
case MIPS_HFLAG_BL:
|
747 |
case MIPS_HFLAG_B:
|
748 |
ctx->btarget = env->btarget; |
749 |
break;
|
750 |
} |
751 |
} |
752 |
|
753 |
static inline void |
754 |
generate_exception_err (DisasContext *ctx, int excp, int err) |
755 |
{ |
756 |
TCGv_i32 texcp = tcg_const_i32(excp); |
757 |
TCGv_i32 terr = tcg_const_i32(err); |
758 |
save_cpu_state(ctx, 1);
|
759 |
gen_helper_raise_exception_err(texcp, terr); |
760 |
tcg_temp_free_i32(terr); |
761 |
tcg_temp_free_i32(texcp); |
762 |
} |
763 |
|
764 |
static inline void |
765 |
generate_exception (DisasContext *ctx, int excp)
|
766 |
{ |
767 |
save_cpu_state(ctx, 1);
|
768 |
gen_helper_0i(raise_exception, excp); |
769 |
} |
770 |
|
771 |
/* Addresses computation */
|
772 |
static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) |
773 |
{ |
774 |
tcg_gen_add_tl(ret, arg0, arg1); |
775 |
|
776 |
#if defined(TARGET_MIPS64)
|
777 |
/* For compatibility with 32-bit code, data reference in user mode
|
778 |
with Status_UX = 0 should be casted to 32-bit and sign extended.
|
779 |
See the MIPS64 PRA manual, section 4.10. */
|
780 |
if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
|
781 |
!(ctx->hflags & MIPS_HFLAG_UX)) { |
782 |
tcg_gen_ext32s_i64(ret, ret); |
783 |
} |
784 |
#endif
|
785 |
} |
786 |
|
787 |
static inline void check_cp0_enabled(DisasContext *ctx) |
788 |
{ |
789 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
|
790 |
generate_exception_err(ctx, EXCP_CpU, 0);
|
791 |
} |
792 |
|
793 |
static inline void check_cp1_enabled(DisasContext *ctx) |
794 |
{ |
795 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
|
796 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
797 |
} |
798 |
|
799 |
/* Verify that the processor is running with COP1X instructions enabled.
|
800 |
This is associated with the nabla symbol in the MIPS32 and MIPS64
|
801 |
opcode tables. */
|
802 |
|
803 |
static inline void check_cop1x(DisasContext *ctx) |
804 |
{ |
805 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
|
806 |
generate_exception(ctx, EXCP_RI); |
807 |
} |
808 |
|
809 |
/* Verify that the processor is running with 64-bit floating-point
|
810 |
operations enabled. */
|
811 |
|
812 |
static inline void check_cp1_64bitmode(DisasContext *ctx) |
813 |
{ |
814 |
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
|
815 |
generate_exception(ctx, EXCP_RI); |
816 |
} |
817 |
|
818 |
/*
|
819 |
* Verify if floating point register is valid; an operation is not defined
|
820 |
* if bit 0 of any register specification is set and the FR bit in the
|
821 |
* Status register equals zero, since the register numbers specify an
|
822 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
823 |
* in the Status register equals one, both even and odd register numbers
|
824 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
825 |
*
|
826 |
* Multiple 64 bit wide registers can be checked by calling
|
827 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
828 |
*/
|
829 |
static inline void check_cp1_registers(DisasContext *ctx, int regs) |
830 |
{ |
831 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
832 |
generate_exception(ctx, EXCP_RI); |
833 |
} |
834 |
|
835 |
/* This code generates a "reserved instruction" exception if the
|
836 |
CPU does not support the instruction set corresponding to flags. */
|
837 |
static inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
838 |
{ |
839 |
if (unlikely(!(env->insn_flags & flags)))
|
840 |
generate_exception(ctx, EXCP_RI); |
841 |
} |
842 |
|
843 |
/* This code generates a "reserved instruction" exception if 64-bit
|
844 |
instructions are not enabled. */
|
845 |
static inline void check_mips_64(DisasContext *ctx) |
846 |
{ |
847 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
|
848 |
generate_exception(ctx, EXCP_RI); |
849 |
} |
850 |
|
851 |
/* Define small wrappers for gen_load_fpr* so that we have a uniform
|
852 |
calling interface for 32 and 64-bit FPRs. No sense in changing
|
853 |
all callers for gen_load_fpr32 when we need the CTX parameter for
|
854 |
this one use. */
|
855 |
#define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(x, y)
|
856 |
#define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y)
|
857 |
#define FOP_CONDS(type, abs, fmt, ifmt, bits) \
|
858 |
static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \ |
859 |
int ft, int fs, int cc) \ |
860 |
{ \ |
861 |
TCGv_i##bits fp0 = tcg_temp_new_i##bits (); \ |
862 |
TCGv_i##bits fp1 = tcg_temp_new_i##bits (); \ |
863 |
switch (ifmt) { \
|
864 |
case FMT_PS: \
|
865 |
check_cp1_64bitmode(ctx); \ |
866 |
break; \
|
867 |
case FMT_D: \
|
868 |
if (abs) { \
|
869 |
check_cop1x(ctx); \ |
870 |
} \ |
871 |
check_cp1_registers(ctx, fs | ft); \ |
872 |
break; \
|
873 |
case FMT_S: \
|
874 |
if (abs) { \
|
875 |
check_cop1x(ctx); \ |
876 |
} \ |
877 |
break; \
|
878 |
} \ |
879 |
gen_ldcmp_fpr##bits (ctx, fp0, fs); \ |
880 |
gen_ldcmp_fpr##bits (ctx, fp1, ft); \ |
881 |
switch (n) { \
|
882 |
case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\ |
883 |
case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\ |
884 |
case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\ |
885 |
case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\ |
886 |
case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\ |
887 |
case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\ |
888 |
case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\ |
889 |
case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\ |
890 |
case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\ |
891 |
case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\ |
892 |
case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\ |
893 |
case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\ |
894 |
case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\ |
895 |
case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\ |
896 |
case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\ |
897 |
case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\ |
898 |
default: abort(); \
|
899 |
} \ |
900 |
tcg_temp_free_i##bits (fp0); \ |
901 |
tcg_temp_free_i##bits (fp1); \ |
902 |
} |
903 |
|
904 |
FOP_CONDS(, 0, d, FMT_D, 64) |
905 |
FOP_CONDS(abs, 1, d, FMT_D, 64) |
906 |
FOP_CONDS(, 0, s, FMT_S, 32) |
907 |
FOP_CONDS(abs, 1, s, FMT_S, 32) |
908 |
FOP_CONDS(, 0, ps, FMT_PS, 64) |
909 |
FOP_CONDS(abs, 1, ps, FMT_PS, 64) |
910 |
#undef FOP_CONDS
|
911 |
#undef gen_ldcmp_fpr32
|
912 |
#undef gen_ldcmp_fpr64
|
913 |
|
914 |
/* load/store instructions. */
|
915 |
#define OP_LD(insn,fname) \
|
916 |
static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
917 |
{ \ |
918 |
tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ |
919 |
} |
920 |
OP_LD(lb,ld8s); |
921 |
OP_LD(lbu,ld8u); |
922 |
OP_LD(lh,ld16s); |
923 |
OP_LD(lhu,ld16u); |
924 |
OP_LD(lw,ld32s); |
925 |
#if defined(TARGET_MIPS64)
|
926 |
OP_LD(lwu,ld32u); |
927 |
OP_LD(ld,ld64); |
928 |
#endif
|
929 |
#undef OP_LD
|
930 |
|
931 |
#define OP_ST(insn,fname) \
|
932 |
static inline void op_st_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \ |
933 |
{ \ |
934 |
tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \ |
935 |
} |
936 |
OP_ST(sb,st8); |
937 |
OP_ST(sh,st16); |
938 |
OP_ST(sw,st32); |
939 |
#if defined(TARGET_MIPS64)
|
940 |
OP_ST(sd,st64); |
941 |
#endif
|
942 |
#undef OP_ST
|
943 |
|
944 |
#ifdef CONFIG_USER_ONLY
|
945 |
#define OP_LD_ATOMIC(insn,fname) \
|
946 |
static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
947 |
{ \ |
948 |
TCGv t0 = tcg_temp_new(); \ |
949 |
tcg_gen_mov_tl(t0, arg1); \ |
950 |
tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ |
951 |
tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
952 |
tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \ |
953 |
tcg_temp_free(t0); \ |
954 |
} |
955 |
#else
|
956 |
#define OP_LD_ATOMIC(insn,fname) \
|
957 |
static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
958 |
{ \ |
959 |
gen_helper_2i(insn, ret, arg1, ctx->mem_idx); \ |
960 |
} |
961 |
#endif
|
962 |
OP_LD_ATOMIC(ll,ld32s); |
963 |
#if defined(TARGET_MIPS64)
|
964 |
OP_LD_ATOMIC(lld,ld64); |
965 |
#endif
|
966 |
#undef OP_LD_ATOMIC
|
967 |
|
968 |
#ifdef CONFIG_USER_ONLY
|
969 |
#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
|
970 |
static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
971 |
{ \ |
972 |
TCGv t0 = tcg_temp_new(); \ |
973 |
int l1 = gen_new_label(); \
|
974 |
int l2 = gen_new_label(); \
|
975 |
\ |
976 |
tcg_gen_andi_tl(t0, arg2, almask); \ |
977 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
|
978 |
tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \ |
979 |
generate_exception(ctx, EXCP_AdES); \ |
980 |
gen_set_label(l1); \ |
981 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
982 |
tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \ |
983 |
tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \ |
984 |
tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \ |
985 |
tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \ |
986 |
gen_helper_0i(raise_exception, EXCP_SC); \ |
987 |
gen_set_label(l2); \ |
988 |
tcg_gen_movi_tl(t0, 0); \
|
989 |
gen_store_gpr(t0, rt); \ |
990 |
tcg_temp_free(t0); \ |
991 |
} |
992 |
#else
|
993 |
#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
|
994 |
static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
995 |
{ \ |
996 |
TCGv t0 = tcg_temp_new(); \ |
997 |
gen_helper_3i(insn, t0, arg1, arg2, ctx->mem_idx); \ |
998 |
gen_store_gpr(t0, rt); \ |
999 |
tcg_temp_free(t0); \ |
1000 |
} |
1001 |
#endif
|
1002 |
OP_ST_ATOMIC(sc,st32,ld32s,0x3);
|
1003 |
#if defined(TARGET_MIPS64)
|
1004 |
OP_ST_ATOMIC(scd,st64,ld64,0x7);
|
1005 |
#endif
|
1006 |
#undef OP_ST_ATOMIC
|
1007 |
|
1008 |
static void gen_base_offset_addr (DisasContext *ctx, TCGv addr, |
1009 |
int base, int16_t offset)
|
1010 |
{ |
1011 |
if (base == 0) { |
1012 |
tcg_gen_movi_tl(addr, offset); |
1013 |
} else if (offset == 0) { |
1014 |
gen_load_gpr(addr, base); |
1015 |
} else {
|
1016 |
tcg_gen_movi_tl(addr, offset); |
1017 |
gen_op_addr_add(ctx, addr, cpu_gpr[base], addr); |
1018 |
} |
1019 |
} |
1020 |
|
1021 |
static target_ulong pc_relative_pc (DisasContext *ctx)
|
1022 |
{ |
1023 |
target_ulong pc = ctx->pc; |
1024 |
|
1025 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
1026 |
int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4; |
1027 |
|
1028 |
pc -= branch_bytes; |
1029 |
} |
1030 |
|
1031 |
pc &= ~(target_ulong)3;
|
1032 |
return pc;
|
1033 |
} |
1034 |
|
1035 |
/* Load */
|
1036 |
static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc, |
1037 |
int rt, int base, int16_t offset) |
1038 |
{ |
1039 |
const char *opn = "ld"; |
1040 |
TCGv t0, t1; |
1041 |
|
1042 |
if (rt == 0 && env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) { |
1043 |
/* Loongson CPU uses a load to zero register for prefetch.
|
1044 |
We emulate it as a NOP. On other CPU we must perform the
|
1045 |
actual memory access. */
|
1046 |
MIPS_DEBUG("NOP");
|
1047 |
return;
|
1048 |
} |
1049 |
|
1050 |
t0 = tcg_temp_new(); |
1051 |
t1 = tcg_temp_new(); |
1052 |
gen_base_offset_addr(ctx, t0, base, offset); |
1053 |
|
1054 |
switch (opc) {
|
1055 |
#if defined(TARGET_MIPS64)
|
1056 |
case OPC_LWU:
|
1057 |
save_cpu_state(ctx, 0);
|
1058 |
op_ld_lwu(t0, t0, ctx); |
1059 |
gen_store_gpr(t0, rt); |
1060 |
opn = "lwu";
|
1061 |
break;
|
1062 |
case OPC_LD:
|
1063 |
save_cpu_state(ctx, 0);
|
1064 |
op_ld_ld(t0, t0, ctx); |
1065 |
gen_store_gpr(t0, rt); |
1066 |
opn = "ld";
|
1067 |
break;
|
1068 |
case OPC_LLD:
|
1069 |
save_cpu_state(ctx, 1);
|
1070 |
op_ld_lld(t0, t0, ctx); |
1071 |
gen_store_gpr(t0, rt); |
1072 |
opn = "lld";
|
1073 |
break;
|
1074 |
case OPC_LDL:
|
1075 |
save_cpu_state(ctx, 1);
|
1076 |
gen_load_gpr(t1, rt); |
1077 |
gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx); |
1078 |
gen_store_gpr(t1, rt); |
1079 |
opn = "ldl";
|
1080 |
break;
|
1081 |
case OPC_LDR:
|
1082 |
save_cpu_state(ctx, 1);
|
1083 |
gen_load_gpr(t1, rt); |
1084 |
gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx); |
1085 |
gen_store_gpr(t1, rt); |
1086 |
opn = "ldr";
|
1087 |
break;
|
1088 |
case OPC_LDPC:
|
1089 |
save_cpu_state(ctx, 0);
|
1090 |
tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); |
1091 |
gen_op_addr_add(ctx, t0, t0, t1); |
1092 |
op_ld_ld(t0, t0, ctx); |
1093 |
gen_store_gpr(t0, rt); |
1094 |
opn = "ldpc";
|
1095 |
break;
|
1096 |
#endif
|
1097 |
case OPC_LWPC:
|
1098 |
save_cpu_state(ctx, 0);
|
1099 |
tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); |
1100 |
gen_op_addr_add(ctx, t0, t0, t1); |
1101 |
op_ld_lw(t0, t0, ctx); |
1102 |
gen_store_gpr(t0, rt); |
1103 |
opn = "lwpc";
|
1104 |
break;
|
1105 |
case OPC_LW:
|
1106 |
save_cpu_state(ctx, 0);
|
1107 |
op_ld_lw(t0, t0, ctx); |
1108 |
gen_store_gpr(t0, rt); |
1109 |
opn = "lw";
|
1110 |
break;
|
1111 |
case OPC_LH:
|
1112 |
save_cpu_state(ctx, 0);
|
1113 |
op_ld_lh(t0, t0, ctx); |
1114 |
gen_store_gpr(t0, rt); |
1115 |
opn = "lh";
|
1116 |
break;
|
1117 |
case OPC_LHU:
|
1118 |
save_cpu_state(ctx, 0);
|
1119 |
op_ld_lhu(t0, t0, ctx); |
1120 |
gen_store_gpr(t0, rt); |
1121 |
opn = "lhu";
|
1122 |
break;
|
1123 |
case OPC_LB:
|
1124 |
save_cpu_state(ctx, 0);
|
1125 |
op_ld_lb(t0, t0, ctx); |
1126 |
gen_store_gpr(t0, rt); |
1127 |
opn = "lb";
|
1128 |
break;
|
1129 |
case OPC_LBU:
|
1130 |
save_cpu_state(ctx, 0);
|
1131 |
op_ld_lbu(t0, t0, ctx); |
1132 |
gen_store_gpr(t0, rt); |
1133 |
opn = "lbu";
|
1134 |
break;
|
1135 |
case OPC_LWL:
|
1136 |
save_cpu_state(ctx, 1);
|
1137 |
gen_load_gpr(t1, rt); |
1138 |
gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx); |
1139 |
gen_store_gpr(t1, rt); |
1140 |
opn = "lwl";
|
1141 |
break;
|
1142 |
case OPC_LWR:
|
1143 |
save_cpu_state(ctx, 1);
|
1144 |
gen_load_gpr(t1, rt); |
1145 |
gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx); |
1146 |
gen_store_gpr(t1, rt); |
1147 |
opn = "lwr";
|
1148 |
break;
|
1149 |
case OPC_LL:
|
1150 |
save_cpu_state(ctx, 1);
|
1151 |
op_ld_ll(t0, t0, ctx); |
1152 |
gen_store_gpr(t0, rt); |
1153 |
opn = "ll";
|
1154 |
break;
|
1155 |
} |
1156 |
(void)opn; /* avoid a compiler warning */ |
1157 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1158 |
tcg_temp_free(t0); |
1159 |
tcg_temp_free(t1); |
1160 |
} |
1161 |
|
1162 |
/* Store */
|
1163 |
static void gen_st (DisasContext *ctx, uint32_t opc, int rt, |
1164 |
int base, int16_t offset)
|
1165 |
{ |
1166 |
const char *opn = "st"; |
1167 |
TCGv t0 = tcg_temp_new(); |
1168 |
TCGv t1 = tcg_temp_new(); |
1169 |
|
1170 |
gen_base_offset_addr(ctx, t0, base, offset); |
1171 |
gen_load_gpr(t1, rt); |
1172 |
switch (opc) {
|
1173 |
#if defined(TARGET_MIPS64)
|
1174 |
case OPC_SD:
|
1175 |
save_cpu_state(ctx, 0);
|
1176 |
op_st_sd(t1, t0, ctx); |
1177 |
opn = "sd";
|
1178 |
break;
|
1179 |
case OPC_SDL:
|
1180 |
save_cpu_state(ctx, 1);
|
1181 |
gen_helper_2i(sdl, t1, t0, ctx->mem_idx); |
1182 |
opn = "sdl";
|
1183 |
break;
|
1184 |
case OPC_SDR:
|
1185 |
save_cpu_state(ctx, 1);
|
1186 |
gen_helper_2i(sdr, t1, t0, ctx->mem_idx); |
1187 |
opn = "sdr";
|
1188 |
break;
|
1189 |
#endif
|
1190 |
case OPC_SW:
|
1191 |
save_cpu_state(ctx, 0);
|
1192 |
op_st_sw(t1, t0, ctx); |
1193 |
opn = "sw";
|
1194 |
break;
|
1195 |
case OPC_SH:
|
1196 |
save_cpu_state(ctx, 0);
|
1197 |
op_st_sh(t1, t0, ctx); |
1198 |
opn = "sh";
|
1199 |
break;
|
1200 |
case OPC_SB:
|
1201 |
save_cpu_state(ctx, 0);
|
1202 |
op_st_sb(t1, t0, ctx); |
1203 |
opn = "sb";
|
1204 |
break;
|
1205 |
case OPC_SWL:
|
1206 |
save_cpu_state(ctx, 1);
|
1207 |
gen_helper_2i(swl, t1, t0, ctx->mem_idx); |
1208 |
opn = "swl";
|
1209 |
break;
|
1210 |
case OPC_SWR:
|
1211 |
save_cpu_state(ctx, 1);
|
1212 |
gen_helper_2i(swr, t1, t0, ctx->mem_idx); |
1213 |
opn = "swr";
|
1214 |
break;
|
1215 |
} |
1216 |
(void)opn; /* avoid a compiler warning */ |
1217 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1218 |
tcg_temp_free(t0); |
1219 |
tcg_temp_free(t1); |
1220 |
} |
1221 |
|
1222 |
|
1223 |
/* Store conditional */
|
1224 |
static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt, |
1225 |
int base, int16_t offset)
|
1226 |
{ |
1227 |
const char *opn = "st_cond"; |
1228 |
TCGv t0, t1; |
1229 |
|
1230 |
t0 = tcg_temp_local_new(); |
1231 |
|
1232 |
gen_base_offset_addr(ctx, t0, base, offset); |
1233 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1234 |
memory access. */
|
1235 |
|
1236 |
t1 = tcg_temp_local_new(); |
1237 |
gen_load_gpr(t1, rt); |
1238 |
switch (opc) {
|
1239 |
#if defined(TARGET_MIPS64)
|
1240 |
case OPC_SCD:
|
1241 |
save_cpu_state(ctx, 1);
|
1242 |
op_st_scd(t1, t0, rt, ctx); |
1243 |
opn = "scd";
|
1244 |
break;
|
1245 |
#endif
|
1246 |
case OPC_SC:
|
1247 |
save_cpu_state(ctx, 1);
|
1248 |
op_st_sc(t1, t0, rt, ctx); |
1249 |
opn = "sc";
|
1250 |
break;
|
1251 |
} |
1252 |
(void)opn; /* avoid a compiler warning */ |
1253 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1254 |
tcg_temp_free(t1); |
1255 |
tcg_temp_free(t0); |
1256 |
} |
1257 |
|
1258 |
/* Load and store */
|
1259 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
1260 |
int base, int16_t offset)
|
1261 |
{ |
1262 |
const char *opn = "flt_ldst"; |
1263 |
TCGv t0 = tcg_temp_new(); |
1264 |
|
1265 |
gen_base_offset_addr(ctx, t0, base, offset); |
1266 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1267 |
memory access. */
|
1268 |
switch (opc) {
|
1269 |
case OPC_LWC1:
|
1270 |
{ |
1271 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
1272 |
|
1273 |
tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
1274 |
tcg_gen_trunc_tl_i32(fp0, t0); |
1275 |
gen_store_fpr32(fp0, ft); |
1276 |
tcg_temp_free_i32(fp0); |
1277 |
} |
1278 |
opn = "lwc1";
|
1279 |
break;
|
1280 |
case OPC_SWC1:
|
1281 |
{ |
1282 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
1283 |
TCGv t1 = tcg_temp_new(); |
1284 |
|
1285 |
gen_load_fpr32(fp0, ft); |
1286 |
tcg_gen_extu_i32_tl(t1, fp0); |
1287 |
tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
1288 |
tcg_temp_free(t1); |
1289 |
tcg_temp_free_i32(fp0); |
1290 |
} |
1291 |
opn = "swc1";
|
1292 |
break;
|
1293 |
case OPC_LDC1:
|
1294 |
{ |
1295 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
1296 |
|
1297 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
1298 |
gen_store_fpr64(ctx, fp0, ft); |
1299 |
tcg_temp_free_i64(fp0); |
1300 |
} |
1301 |
opn = "ldc1";
|
1302 |
break;
|
1303 |
case OPC_SDC1:
|
1304 |
{ |
1305 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
1306 |
|
1307 |
gen_load_fpr64(ctx, fp0, ft); |
1308 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
1309 |
tcg_temp_free_i64(fp0); |
1310 |
} |
1311 |
opn = "sdc1";
|
1312 |
break;
|
1313 |
default:
|
1314 |
MIPS_INVAL(opn); |
1315 |
generate_exception(ctx, EXCP_RI); |
1316 |
goto out;
|
1317 |
} |
1318 |
(void)opn; /* avoid a compiler warning */ |
1319 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
1320 |
out:
|
1321 |
tcg_temp_free(t0); |
1322 |
} |
1323 |
|
1324 |
static void gen_cop1_ldst(CPUState *env, DisasContext *ctx, |
1325 |
uint32_t op, int rt, int rs, int16_t imm) |
1326 |
{ |
1327 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
1328 |
check_cp1_enabled(ctx); |
1329 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
1330 |
} else {
|
1331 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
1332 |
} |
1333 |
} |
1334 |
|
1335 |
/* Arithmetic with immediate operand */
|
1336 |
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
1337 |
int rt, int rs, int16_t imm) |
1338 |
{ |
1339 |
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1340 |
const char *opn = "imm arith"; |
1341 |
|
1342 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
1343 |
/* If no destination, treat it as a NOP.
|
1344 |
For addi, we must generate the overflow exception when needed. */
|
1345 |
MIPS_DEBUG("NOP");
|
1346 |
return;
|
1347 |
} |
1348 |
switch (opc) {
|
1349 |
case OPC_ADDI:
|
1350 |
{ |
1351 |
TCGv t0 = tcg_temp_local_new(); |
1352 |
TCGv t1 = tcg_temp_new(); |
1353 |
TCGv t2 = tcg_temp_new(); |
1354 |
int l1 = gen_new_label();
|
1355 |
|
1356 |
gen_load_gpr(t1, rs); |
1357 |
tcg_gen_addi_tl(t0, t1, uimm); |
1358 |
tcg_gen_ext32s_tl(t0, t0); |
1359 |
|
1360 |
tcg_gen_xori_tl(t1, t1, ~uimm); |
1361 |
tcg_gen_xori_tl(t2, t0, uimm); |
1362 |
tcg_gen_and_tl(t1, t1, t2); |
1363 |
tcg_temp_free(t2); |
1364 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1365 |
tcg_temp_free(t1); |
1366 |
/* operands of same sign, result different sign */
|
1367 |
generate_exception(ctx, EXCP_OVERFLOW); |
1368 |
gen_set_label(l1); |
1369 |
tcg_gen_ext32s_tl(t0, t0); |
1370 |
gen_store_gpr(t0, rt); |
1371 |
tcg_temp_free(t0); |
1372 |
} |
1373 |
opn = "addi";
|
1374 |
break;
|
1375 |
case OPC_ADDIU:
|
1376 |
if (rs != 0) { |
1377 |
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1378 |
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); |
1379 |
} else {
|
1380 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1381 |
} |
1382 |
opn = "addiu";
|
1383 |
break;
|
1384 |
#if defined(TARGET_MIPS64)
|
1385 |
case OPC_DADDI:
|
1386 |
{ |
1387 |
TCGv t0 = tcg_temp_local_new(); |
1388 |
TCGv t1 = tcg_temp_new(); |
1389 |
TCGv t2 = tcg_temp_new(); |
1390 |
int l1 = gen_new_label();
|
1391 |
|
1392 |
gen_load_gpr(t1, rs); |
1393 |
tcg_gen_addi_tl(t0, t1, uimm); |
1394 |
|
1395 |
tcg_gen_xori_tl(t1, t1, ~uimm); |
1396 |
tcg_gen_xori_tl(t2, t0, uimm); |
1397 |
tcg_gen_and_tl(t1, t1, t2); |
1398 |
tcg_temp_free(t2); |
1399 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1400 |
tcg_temp_free(t1); |
1401 |
/* operands of same sign, result different sign */
|
1402 |
generate_exception(ctx, EXCP_OVERFLOW); |
1403 |
gen_set_label(l1); |
1404 |
gen_store_gpr(t0, rt); |
1405 |
tcg_temp_free(t0); |
1406 |
} |
1407 |
opn = "daddi";
|
1408 |
break;
|
1409 |
case OPC_DADDIU:
|
1410 |
if (rs != 0) { |
1411 |
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1412 |
} else {
|
1413 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1414 |
} |
1415 |
opn = "daddiu";
|
1416 |
break;
|
1417 |
#endif
|
1418 |
} |
1419 |
(void)opn; /* avoid a compiler warning */ |
1420 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1421 |
} |
1422 |
|
1423 |
/* Logic with immediate operand */
|
1424 |
static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
1425 |
{ |
1426 |
target_ulong uimm; |
1427 |
const char *opn = "imm logic"; |
1428 |
|
1429 |
if (rt == 0) { |
1430 |
/* If no destination, treat it as a NOP. */
|
1431 |
MIPS_DEBUG("NOP");
|
1432 |
return;
|
1433 |
} |
1434 |
uimm = (uint16_t)imm; |
1435 |
switch (opc) {
|
1436 |
case OPC_ANDI:
|
1437 |
if (likely(rs != 0)) |
1438 |
tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1439 |
else
|
1440 |
tcg_gen_movi_tl(cpu_gpr[rt], 0);
|
1441 |
opn = "andi";
|
1442 |
break;
|
1443 |
case OPC_ORI:
|
1444 |
if (rs != 0) |
1445 |
tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1446 |
else
|
1447 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1448 |
opn = "ori";
|
1449 |
break;
|
1450 |
case OPC_XORI:
|
1451 |
if (likely(rs != 0)) |
1452 |
tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1453 |
else
|
1454 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1455 |
opn = "xori";
|
1456 |
break;
|
1457 |
case OPC_LUI:
|
1458 |
tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
|
1459 |
opn = "lui";
|
1460 |
break;
|
1461 |
} |
1462 |
(void)opn; /* avoid a compiler warning */ |
1463 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1464 |
} |
1465 |
|
1466 |
/* Set on less than with immediate operand */
|
1467 |
static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
1468 |
{ |
1469 |
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1470 |
const char *opn = "imm arith"; |
1471 |
TCGv t0; |
1472 |
|
1473 |
if (rt == 0) { |
1474 |
/* If no destination, treat it as a NOP. */
|
1475 |
MIPS_DEBUG("NOP");
|
1476 |
return;
|
1477 |
} |
1478 |
t0 = tcg_temp_new(); |
1479 |
gen_load_gpr(t0, rs); |
1480 |
switch (opc) {
|
1481 |
case OPC_SLTI:
|
1482 |
tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm); |
1483 |
opn = "slti";
|
1484 |
break;
|
1485 |
case OPC_SLTIU:
|
1486 |
tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm); |
1487 |
opn = "sltiu";
|
1488 |
break;
|
1489 |
} |
1490 |
(void)opn; /* avoid a compiler warning */ |
1491 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1492 |
tcg_temp_free(t0); |
1493 |
} |
1494 |
|
1495 |
/* Shifts with immediate operand */
|
1496 |
static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc, |
1497 |
int rt, int rs, int16_t imm) |
1498 |
{ |
1499 |
target_ulong uimm = ((uint16_t)imm) & 0x1f;
|
1500 |
const char *opn = "imm shift"; |
1501 |
TCGv t0; |
1502 |
|
1503 |
if (rt == 0) { |
1504 |
/* If no destination, treat it as a NOP. */
|
1505 |
MIPS_DEBUG("NOP");
|
1506 |
return;
|
1507 |
} |
1508 |
|
1509 |
t0 = tcg_temp_new(); |
1510 |
gen_load_gpr(t0, rs); |
1511 |
switch (opc) {
|
1512 |
case OPC_SLL:
|
1513 |
tcg_gen_shli_tl(t0, t0, uimm); |
1514 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
1515 |
opn = "sll";
|
1516 |
break;
|
1517 |
case OPC_SRA:
|
1518 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
1519 |
opn = "sra";
|
1520 |
break;
|
1521 |
case OPC_SRL:
|
1522 |
if (uimm != 0) { |
1523 |
tcg_gen_ext32u_tl(t0, t0); |
1524 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
1525 |
} else {
|
1526 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
1527 |
} |
1528 |
opn = "srl";
|
1529 |
break;
|
1530 |
case OPC_ROTR:
|
1531 |
if (uimm != 0) { |
1532 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
1533 |
|
1534 |
tcg_gen_trunc_tl_i32(t1, t0); |
1535 |
tcg_gen_rotri_i32(t1, t1, uimm); |
1536 |
tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); |
1537 |
tcg_temp_free_i32(t1); |
1538 |
} else {
|
1539 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
1540 |
} |
1541 |
opn = "rotr";
|
1542 |
break;
|
1543 |
#if defined(TARGET_MIPS64)
|
1544 |
case OPC_DSLL:
|
1545 |
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); |
1546 |
opn = "dsll";
|
1547 |
break;
|
1548 |
case OPC_DSRA:
|
1549 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
1550 |
opn = "dsra";
|
1551 |
break;
|
1552 |
case OPC_DSRL:
|
1553 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
1554 |
opn = "dsrl";
|
1555 |
break;
|
1556 |
case OPC_DROTR:
|
1557 |
if (uimm != 0) { |
1558 |
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); |
1559 |
} else {
|
1560 |
tcg_gen_mov_tl(cpu_gpr[rt], t0); |
1561 |
} |
1562 |
opn = "drotr";
|
1563 |
break;
|
1564 |
case OPC_DSLL32:
|
1565 |
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
|
1566 |
opn = "dsll32";
|
1567 |
break;
|
1568 |
case OPC_DSRA32:
|
1569 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
|
1570 |
opn = "dsra32";
|
1571 |
break;
|
1572 |
case OPC_DSRL32:
|
1573 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
|
1574 |
opn = "dsrl32";
|
1575 |
break;
|
1576 |
case OPC_DROTR32:
|
1577 |
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
|
1578 |
opn = "drotr32";
|
1579 |
break;
|
1580 |
#endif
|
1581 |
} |
1582 |
(void)opn; /* avoid a compiler warning */ |
1583 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1584 |
tcg_temp_free(t0); |
1585 |
} |
1586 |
|
1587 |
/* Arithmetic */
|
1588 |
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
1589 |
int rd, int rs, int rt) |
1590 |
{ |
1591 |
const char *opn = "arith"; |
1592 |
|
1593 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
1594 |
&& opc != OPC_DADD && opc != OPC_DSUB) { |
1595 |
/* If no destination, treat it as a NOP.
|
1596 |
For add & sub, we must generate the overflow exception when needed. */
|
1597 |
MIPS_DEBUG("NOP");
|
1598 |
return;
|
1599 |
} |
1600 |
|
1601 |
switch (opc) {
|
1602 |
case OPC_ADD:
|
1603 |
{ |
1604 |
TCGv t0 = tcg_temp_local_new(); |
1605 |
TCGv t1 = tcg_temp_new(); |
1606 |
TCGv t2 = tcg_temp_new(); |
1607 |
int l1 = gen_new_label();
|
1608 |
|
1609 |
gen_load_gpr(t1, rs); |
1610 |
gen_load_gpr(t2, rt); |
1611 |
tcg_gen_add_tl(t0, t1, t2); |
1612 |
tcg_gen_ext32s_tl(t0, t0); |
1613 |
tcg_gen_xor_tl(t1, t1, t2); |
1614 |
tcg_gen_xor_tl(t2, t0, t2); |
1615 |
tcg_gen_andc_tl(t1, t2, t1); |
1616 |
tcg_temp_free(t2); |
1617 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1618 |
tcg_temp_free(t1); |
1619 |
/* operands of same sign, result different sign */
|
1620 |
generate_exception(ctx, EXCP_OVERFLOW); |
1621 |
gen_set_label(l1); |
1622 |
gen_store_gpr(t0, rd); |
1623 |
tcg_temp_free(t0); |
1624 |
} |
1625 |
opn = "add";
|
1626 |
break;
|
1627 |
case OPC_ADDU:
|
1628 |
if (rs != 0 && rt != 0) { |
1629 |
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1630 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1631 |
} else if (rs == 0 && rt != 0) { |
1632 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1633 |
} else if (rs != 0 && rt == 0) { |
1634 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1635 |
} else {
|
1636 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1637 |
} |
1638 |
opn = "addu";
|
1639 |
break;
|
1640 |
case OPC_SUB:
|
1641 |
{ |
1642 |
TCGv t0 = tcg_temp_local_new(); |
1643 |
TCGv t1 = tcg_temp_new(); |
1644 |
TCGv t2 = tcg_temp_new(); |
1645 |
int l1 = gen_new_label();
|
1646 |
|
1647 |
gen_load_gpr(t1, rs); |
1648 |
gen_load_gpr(t2, rt); |
1649 |
tcg_gen_sub_tl(t0, t1, t2); |
1650 |
tcg_gen_ext32s_tl(t0, t0); |
1651 |
tcg_gen_xor_tl(t2, t1, t2); |
1652 |
tcg_gen_xor_tl(t1, t0, t1); |
1653 |
tcg_gen_and_tl(t1, t1, t2); |
1654 |
tcg_temp_free(t2); |
1655 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1656 |
tcg_temp_free(t1); |
1657 |
/* operands of different sign, first operand and result different sign */
|
1658 |
generate_exception(ctx, EXCP_OVERFLOW); |
1659 |
gen_set_label(l1); |
1660 |
gen_store_gpr(t0, rd); |
1661 |
tcg_temp_free(t0); |
1662 |
} |
1663 |
opn = "sub";
|
1664 |
break;
|
1665 |
case OPC_SUBU:
|
1666 |
if (rs != 0 && rt != 0) { |
1667 |
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1668 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1669 |
} else if (rs == 0 && rt != 0) { |
1670 |
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1671 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1672 |
} else if (rs != 0 && rt == 0) { |
1673 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1674 |
} else {
|
1675 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1676 |
} |
1677 |
opn = "subu";
|
1678 |
break;
|
1679 |
#if defined(TARGET_MIPS64)
|
1680 |
case OPC_DADD:
|
1681 |
{ |
1682 |
TCGv t0 = tcg_temp_local_new(); |
1683 |
TCGv t1 = tcg_temp_new(); |
1684 |
TCGv t2 = tcg_temp_new(); |
1685 |
int l1 = gen_new_label();
|
1686 |
|
1687 |
gen_load_gpr(t1, rs); |
1688 |
gen_load_gpr(t2, rt); |
1689 |
tcg_gen_add_tl(t0, t1, t2); |
1690 |
tcg_gen_xor_tl(t1, t1, t2); |
1691 |
tcg_gen_xor_tl(t2, t0, t2); |
1692 |
tcg_gen_andc_tl(t1, t2, t1); |
1693 |
tcg_temp_free(t2); |
1694 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1695 |
tcg_temp_free(t1); |
1696 |
/* operands of same sign, result different sign */
|
1697 |
generate_exception(ctx, EXCP_OVERFLOW); |
1698 |
gen_set_label(l1); |
1699 |
gen_store_gpr(t0, rd); |
1700 |
tcg_temp_free(t0); |
1701 |
} |
1702 |
opn = "dadd";
|
1703 |
break;
|
1704 |
case OPC_DADDU:
|
1705 |
if (rs != 0 && rt != 0) { |
1706 |
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1707 |
} else if (rs == 0 && rt != 0) { |
1708 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1709 |
} else if (rs != 0 && rt == 0) { |
1710 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1711 |
} else {
|
1712 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1713 |
} |
1714 |
opn = "daddu";
|
1715 |
break;
|
1716 |
case OPC_DSUB:
|
1717 |
{ |
1718 |
TCGv t0 = tcg_temp_local_new(); |
1719 |
TCGv t1 = tcg_temp_new(); |
1720 |
TCGv t2 = tcg_temp_new(); |
1721 |
int l1 = gen_new_label();
|
1722 |
|
1723 |
gen_load_gpr(t1, rs); |
1724 |
gen_load_gpr(t2, rt); |
1725 |
tcg_gen_sub_tl(t0, t1, t2); |
1726 |
tcg_gen_xor_tl(t2, t1, t2); |
1727 |
tcg_gen_xor_tl(t1, t0, t1); |
1728 |
tcg_gen_and_tl(t1, t1, t2); |
1729 |
tcg_temp_free(t2); |
1730 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1731 |
tcg_temp_free(t1); |
1732 |
/* operands of different sign, first operand and result different sign */
|
1733 |
generate_exception(ctx, EXCP_OVERFLOW); |
1734 |
gen_set_label(l1); |
1735 |
gen_store_gpr(t0, rd); |
1736 |
tcg_temp_free(t0); |
1737 |
} |
1738 |
opn = "dsub";
|
1739 |
break;
|
1740 |
case OPC_DSUBU:
|
1741 |
if (rs != 0 && rt != 0) { |
1742 |
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1743 |
} else if (rs == 0 && rt != 0) { |
1744 |
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1745 |
} else if (rs != 0 && rt == 0) { |
1746 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1747 |
} else {
|
1748 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1749 |
} |
1750 |
opn = "dsubu";
|
1751 |
break;
|
1752 |
#endif
|
1753 |
case OPC_MUL:
|
1754 |
if (likely(rs != 0 && rt != 0)) { |
1755 |
tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1756 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1757 |
} else {
|
1758 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1759 |
} |
1760 |
opn = "mul";
|
1761 |
break;
|
1762 |
} |
1763 |
(void)opn; /* avoid a compiler warning */ |
1764 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1765 |
} |
1766 |
|
1767 |
/* Conditional move */
|
1768 |
static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
1769 |
{ |
1770 |
const char *opn = "cond move"; |
1771 |
int l1;
|
1772 |
|
1773 |
if (rd == 0) { |
1774 |
/* If no destination, treat it as a NOP.
|
1775 |
For add & sub, we must generate the overflow exception when needed. */
|
1776 |
MIPS_DEBUG("NOP");
|
1777 |
return;
|
1778 |
} |
1779 |
|
1780 |
l1 = gen_new_label(); |
1781 |
switch (opc) {
|
1782 |
case OPC_MOVN:
|
1783 |
if (likely(rt != 0)) |
1784 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1);
|
1785 |
else
|
1786 |
tcg_gen_br(l1); |
1787 |
opn = "movn";
|
1788 |
break;
|
1789 |
case OPC_MOVZ:
|
1790 |
if (likely(rt != 0)) |
1791 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1);
|
1792 |
opn = "movz";
|
1793 |
break;
|
1794 |
} |
1795 |
if (rs != 0) |
1796 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1797 |
else
|
1798 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1799 |
gen_set_label(l1); |
1800 |
|
1801 |
(void)opn; /* avoid a compiler warning */ |
1802 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1803 |
} |
1804 |
|
1805 |
/* Logic */
|
1806 |
static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
1807 |
{ |
1808 |
const char *opn = "logic"; |
1809 |
|
1810 |
if (rd == 0) { |
1811 |
/* If no destination, treat it as a NOP. */
|
1812 |
MIPS_DEBUG("NOP");
|
1813 |
return;
|
1814 |
} |
1815 |
|
1816 |
switch (opc) {
|
1817 |
case OPC_AND:
|
1818 |
if (likely(rs != 0 && rt != 0)) { |
1819 |
tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1820 |
} else {
|
1821 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1822 |
} |
1823 |
opn = "and";
|
1824 |
break;
|
1825 |
case OPC_NOR:
|
1826 |
if (rs != 0 && rt != 0) { |
1827 |
tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1828 |
} else if (rs == 0 && rt != 0) { |
1829 |
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1830 |
} else if (rs != 0 && rt == 0) { |
1831 |
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1832 |
} else {
|
1833 |
tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
|
1834 |
} |
1835 |
opn = "nor";
|
1836 |
break;
|
1837 |
case OPC_OR:
|
1838 |
if (likely(rs != 0 && rt != 0)) { |
1839 |
tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1840 |
} else if (rs == 0 && rt != 0) { |
1841 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1842 |
} else if (rs != 0 && rt == 0) { |
1843 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1844 |
} else {
|
1845 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1846 |
} |
1847 |
opn = "or";
|
1848 |
break;
|
1849 |
case OPC_XOR:
|
1850 |
if (likely(rs != 0 && rt != 0)) { |
1851 |
tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1852 |
} else if (rs == 0 && rt != 0) { |
1853 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1854 |
} else if (rs != 0 && rt == 0) { |
1855 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1856 |
} else {
|
1857 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1858 |
} |
1859 |
opn = "xor";
|
1860 |
break;
|
1861 |
} |
1862 |
(void)opn; /* avoid a compiler warning */ |
1863 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1864 |
} |
1865 |
|
1866 |
/* Set on lower than */
|
1867 |
static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
1868 |
{ |
1869 |
const char *opn = "slt"; |
1870 |
TCGv t0, t1; |
1871 |
|
1872 |
if (rd == 0) { |
1873 |
/* If no destination, treat it as a NOP. */
|
1874 |
MIPS_DEBUG("NOP");
|
1875 |
return;
|
1876 |
} |
1877 |
|
1878 |
t0 = tcg_temp_new(); |
1879 |
t1 = tcg_temp_new(); |
1880 |
gen_load_gpr(t0, rs); |
1881 |
gen_load_gpr(t1, rt); |
1882 |
switch (opc) {
|
1883 |
case OPC_SLT:
|
1884 |
tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1); |
1885 |
opn = "slt";
|
1886 |
break;
|
1887 |
case OPC_SLTU:
|
1888 |
tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1); |
1889 |
opn = "sltu";
|
1890 |
break;
|
1891 |
} |
1892 |
(void)opn; /* avoid a compiler warning */ |
1893 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1894 |
tcg_temp_free(t0); |
1895 |
tcg_temp_free(t1); |
1896 |
} |
1897 |
|
1898 |
/* Shifts */
|
1899 |
static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc, |
1900 |
int rd, int rs, int rt) |
1901 |
{ |
1902 |
const char *opn = "shifts"; |
1903 |
TCGv t0, t1; |
1904 |
|
1905 |
if (rd == 0) { |
1906 |
/* If no destination, treat it as a NOP.
|
1907 |
For add & sub, we must generate the overflow exception when needed. */
|
1908 |
MIPS_DEBUG("NOP");
|
1909 |
return;
|
1910 |
} |
1911 |
|
1912 |
t0 = tcg_temp_new(); |
1913 |
t1 = tcg_temp_new(); |
1914 |
gen_load_gpr(t0, rs); |
1915 |
gen_load_gpr(t1, rt); |
1916 |
switch (opc) {
|
1917 |
case OPC_SLLV:
|
1918 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
1919 |
tcg_gen_shl_tl(t0, t1, t0); |
1920 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
1921 |
opn = "sllv";
|
1922 |
break;
|
1923 |
case OPC_SRAV:
|
1924 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
1925 |
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
1926 |
opn = "srav";
|
1927 |
break;
|
1928 |
case OPC_SRLV:
|
1929 |
tcg_gen_ext32u_tl(t1, t1); |
1930 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
1931 |
tcg_gen_shr_tl(t0, t1, t0); |
1932 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
1933 |
opn = "srlv";
|
1934 |
break;
|
1935 |
case OPC_ROTRV:
|
1936 |
{ |
1937 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
1938 |
TCGv_i32 t3 = tcg_temp_new_i32(); |
1939 |
|
1940 |
tcg_gen_trunc_tl_i32(t2, t0); |
1941 |
tcg_gen_trunc_tl_i32(t3, t1); |
1942 |
tcg_gen_andi_i32(t2, t2, 0x1f);
|
1943 |
tcg_gen_rotr_i32(t2, t3, t2); |
1944 |
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); |
1945 |
tcg_temp_free_i32(t2); |
1946 |
tcg_temp_free_i32(t3); |
1947 |
opn = "rotrv";
|
1948 |
} |
1949 |
break;
|
1950 |
#if defined(TARGET_MIPS64)
|
1951 |
case OPC_DSLLV:
|
1952 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1953 |
tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); |
1954 |
opn = "dsllv";
|
1955 |
break;
|
1956 |
case OPC_DSRAV:
|
1957 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1958 |
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
1959 |
opn = "dsrav";
|
1960 |
break;
|
1961 |
case OPC_DSRLV:
|
1962 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1963 |
tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); |
1964 |
opn = "dsrlv";
|
1965 |
break;
|
1966 |
case OPC_DROTRV:
|
1967 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1968 |
tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); |
1969 |
opn = "drotrv";
|
1970 |
break;
|
1971 |
#endif
|
1972 |
} |
1973 |
(void)opn; /* avoid a compiler warning */ |
1974 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1975 |
tcg_temp_free(t0); |
1976 |
tcg_temp_free(t1); |
1977 |
} |
1978 |
|
1979 |
/* Arithmetic on HI/LO registers */
|
1980 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
1981 |
{ |
1982 |
const char *opn = "hilo"; |
1983 |
|
1984 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
1985 |
/* Treat as NOP. */
|
1986 |
MIPS_DEBUG("NOP");
|
1987 |
return;
|
1988 |
} |
1989 |
switch (opc) {
|
1990 |
case OPC_MFHI:
|
1991 |
tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
|
1992 |
opn = "mfhi";
|
1993 |
break;
|
1994 |
case OPC_MFLO:
|
1995 |
tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
|
1996 |
opn = "mflo";
|
1997 |
break;
|
1998 |
case OPC_MTHI:
|
1999 |
if (reg != 0) |
2000 |
tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
|
2001 |
else
|
2002 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
2003 |
opn = "mthi";
|
2004 |
break;
|
2005 |
case OPC_MTLO:
|
2006 |
if (reg != 0) |
2007 |
tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
|
2008 |
else
|
2009 |
tcg_gen_movi_tl(cpu_LO[0], 0); |
2010 |
opn = "mtlo";
|
2011 |
break;
|
2012 |
} |
2013 |
(void)opn; /* avoid a compiler warning */ |
2014 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
2015 |
} |
2016 |
|
2017 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
2018 |
int rs, int rt) |
2019 |
{ |
2020 |
const char *opn = "mul/div"; |
2021 |
TCGv t0, t1; |
2022 |
|
2023 |
switch (opc) {
|
2024 |
case OPC_DIV:
|
2025 |
case OPC_DIVU:
|
2026 |
#if defined(TARGET_MIPS64)
|
2027 |
case OPC_DDIV:
|
2028 |
case OPC_DDIVU:
|
2029 |
#endif
|
2030 |
t0 = tcg_temp_local_new(); |
2031 |
t1 = tcg_temp_local_new(); |
2032 |
break;
|
2033 |
default:
|
2034 |
t0 = tcg_temp_new(); |
2035 |
t1 = tcg_temp_new(); |
2036 |
break;
|
2037 |
} |
2038 |
|
2039 |
gen_load_gpr(t0, rs); |
2040 |
gen_load_gpr(t1, rt); |
2041 |
switch (opc) {
|
2042 |
case OPC_DIV:
|
2043 |
{ |
2044 |
int l1 = gen_new_label();
|
2045 |
int l2 = gen_new_label();
|
2046 |
|
2047 |
tcg_gen_ext32s_tl(t0, t0); |
2048 |
tcg_gen_ext32s_tl(t1, t1); |
2049 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2050 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
2051 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
|
2052 |
|
2053 |
tcg_gen_mov_tl(cpu_LO[0], t0);
|
2054 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
2055 |
tcg_gen_br(l1); |
2056 |
gen_set_label(l2); |
2057 |
tcg_gen_div_tl(cpu_LO[0], t0, t1);
|
2058 |
tcg_gen_rem_tl(cpu_HI[0], t0, t1);
|
2059 |
tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
2060 |
tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
2061 |
gen_set_label(l1); |
2062 |
} |
2063 |
opn = "div";
|
2064 |
break;
|
2065 |
case OPC_DIVU:
|
2066 |
{ |
2067 |
int l1 = gen_new_label();
|
2068 |
|
2069 |
tcg_gen_ext32u_tl(t0, t0); |
2070 |
tcg_gen_ext32u_tl(t1, t1); |
2071 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2072 |
tcg_gen_divu_tl(cpu_LO[0], t0, t1);
|
2073 |
tcg_gen_remu_tl(cpu_HI[0], t0, t1);
|
2074 |
tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
2075 |
tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
2076 |
gen_set_label(l1); |
2077 |
} |
2078 |
opn = "divu";
|
2079 |
break;
|
2080 |
case OPC_MULT:
|
2081 |
{ |
2082 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2083 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2084 |
|
2085 |
tcg_gen_ext_tl_i64(t2, t0); |
2086 |
tcg_gen_ext_tl_i64(t3, t1); |
2087 |
tcg_gen_mul_i64(t2, t2, t3); |
2088 |
tcg_temp_free_i64(t3); |
2089 |
tcg_gen_trunc_i64_tl(t0, t2); |
2090 |
tcg_gen_shri_i64(t2, t2, 32);
|
2091 |
tcg_gen_trunc_i64_tl(t1, t2); |
2092 |
tcg_temp_free_i64(t2); |
2093 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2094 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2095 |
} |
2096 |
opn = "mult";
|
2097 |
break;
|
2098 |
case OPC_MULTU:
|
2099 |
{ |
2100 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2101 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2102 |
|
2103 |
tcg_gen_ext32u_tl(t0, t0); |
2104 |
tcg_gen_ext32u_tl(t1, t1); |
2105 |
tcg_gen_extu_tl_i64(t2, t0); |
2106 |
tcg_gen_extu_tl_i64(t3, t1); |
2107 |
tcg_gen_mul_i64(t2, t2, t3); |
2108 |
tcg_temp_free_i64(t3); |
2109 |
tcg_gen_trunc_i64_tl(t0, t2); |
2110 |
tcg_gen_shri_i64(t2, t2, 32);
|
2111 |
tcg_gen_trunc_i64_tl(t1, t2); |
2112 |
tcg_temp_free_i64(t2); |
2113 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2114 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2115 |
} |
2116 |
opn = "multu";
|
2117 |
break;
|
2118 |
#if defined(TARGET_MIPS64)
|
2119 |
case OPC_DDIV:
|
2120 |
{ |
2121 |
int l1 = gen_new_label();
|
2122 |
int l2 = gen_new_label();
|
2123 |
|
2124 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2125 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
2126 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
|
2127 |
tcg_gen_mov_tl(cpu_LO[0], t0);
|
2128 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
2129 |
tcg_gen_br(l1); |
2130 |
gen_set_label(l2); |
2131 |
tcg_gen_div_i64(cpu_LO[0], t0, t1);
|
2132 |
tcg_gen_rem_i64(cpu_HI[0], t0, t1);
|
2133 |
gen_set_label(l1); |
2134 |
} |
2135 |
opn = "ddiv";
|
2136 |
break;
|
2137 |
case OPC_DDIVU:
|
2138 |
{ |
2139 |
int l1 = gen_new_label();
|
2140 |
|
2141 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2142 |
tcg_gen_divu_i64(cpu_LO[0], t0, t1);
|
2143 |
tcg_gen_remu_i64(cpu_HI[0], t0, t1);
|
2144 |
gen_set_label(l1); |
2145 |
} |
2146 |
opn = "ddivu";
|
2147 |
break;
|
2148 |
case OPC_DMULT:
|
2149 |
gen_helper_dmult(t0, t1); |
2150 |
opn = "dmult";
|
2151 |
break;
|
2152 |
case OPC_DMULTU:
|
2153 |
gen_helper_dmultu(t0, t1); |
2154 |
opn = "dmultu";
|
2155 |
break;
|
2156 |
#endif
|
2157 |
case OPC_MADD:
|
2158 |
{ |
2159 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2160 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2161 |
|
2162 |
tcg_gen_ext_tl_i64(t2, t0); |
2163 |
tcg_gen_ext_tl_i64(t3, t1); |
2164 |
tcg_gen_mul_i64(t2, t2, t3); |
2165 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2166 |
tcg_gen_add_i64(t2, t2, t3); |
2167 |
tcg_temp_free_i64(t3); |
2168 |
tcg_gen_trunc_i64_tl(t0, t2); |
2169 |
tcg_gen_shri_i64(t2, t2, 32);
|
2170 |
tcg_gen_trunc_i64_tl(t1, t2); |
2171 |
tcg_temp_free_i64(t2); |
2172 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2173 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2174 |
} |
2175 |
opn = "madd";
|
2176 |
break;
|
2177 |
case OPC_MADDU:
|
2178 |
{ |
2179 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2180 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2181 |
|
2182 |
tcg_gen_ext32u_tl(t0, t0); |
2183 |
tcg_gen_ext32u_tl(t1, t1); |
2184 |
tcg_gen_extu_tl_i64(t2, t0); |
2185 |
tcg_gen_extu_tl_i64(t3, t1); |
2186 |
tcg_gen_mul_i64(t2, t2, t3); |
2187 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2188 |
tcg_gen_add_i64(t2, t2, t3); |
2189 |
tcg_temp_free_i64(t3); |
2190 |
tcg_gen_trunc_i64_tl(t0, t2); |
2191 |
tcg_gen_shri_i64(t2, t2, 32);
|
2192 |
tcg_gen_trunc_i64_tl(t1, t2); |
2193 |
tcg_temp_free_i64(t2); |
2194 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2195 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2196 |
} |
2197 |
opn = "maddu";
|
2198 |
break;
|
2199 |
case OPC_MSUB:
|
2200 |
{ |
2201 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2202 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2203 |
|
2204 |
tcg_gen_ext_tl_i64(t2, t0); |
2205 |
tcg_gen_ext_tl_i64(t3, t1); |
2206 |
tcg_gen_mul_i64(t2, t2, t3); |
2207 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2208 |
tcg_gen_sub_i64(t2, t3, t2); |
2209 |
tcg_temp_free_i64(t3); |
2210 |
tcg_gen_trunc_i64_tl(t0, t2); |
2211 |
tcg_gen_shri_i64(t2, t2, 32);
|
2212 |
tcg_gen_trunc_i64_tl(t1, t2); |
2213 |
tcg_temp_free_i64(t2); |
2214 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2215 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2216 |
} |
2217 |
opn = "msub";
|
2218 |
break;
|
2219 |
case OPC_MSUBU:
|
2220 |
{ |
2221 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2222 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2223 |
|
2224 |
tcg_gen_ext32u_tl(t0, t0); |
2225 |
tcg_gen_ext32u_tl(t1, t1); |
2226 |
tcg_gen_extu_tl_i64(t2, t0); |
2227 |
tcg_gen_extu_tl_i64(t3, t1); |
2228 |
tcg_gen_mul_i64(t2, t2, t3); |
2229 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2230 |
tcg_gen_sub_i64(t2, t3, t2); |
2231 |
tcg_temp_free_i64(t3); |
2232 |
tcg_gen_trunc_i64_tl(t0, t2); |
2233 |
tcg_gen_shri_i64(t2, t2, 32);
|
2234 |
tcg_gen_trunc_i64_tl(t1, t2); |
2235 |
tcg_temp_free_i64(t2); |
2236 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2237 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2238 |
} |
2239 |
opn = "msubu";
|
2240 |
break;
|
2241 |
default:
|
2242 |
MIPS_INVAL(opn); |
2243 |
generate_exception(ctx, EXCP_RI); |
2244 |
goto out;
|
2245 |
} |
2246 |
(void)opn; /* avoid a compiler warning */ |
2247 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
2248 |
out:
|
2249 |
tcg_temp_free(t0); |
2250 |
tcg_temp_free(t1); |
2251 |
} |
2252 |
|
2253 |
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
2254 |
int rd, int rs, int rt) |
2255 |
{ |
2256 |
const char *opn = "mul vr54xx"; |
2257 |
TCGv t0 = tcg_temp_new(); |
2258 |
TCGv t1 = tcg_temp_new(); |
2259 |
|
2260 |
gen_load_gpr(t0, rs); |
2261 |
gen_load_gpr(t1, rt); |
2262 |
|
2263 |
switch (opc) {
|
2264 |
case OPC_VR54XX_MULS:
|
2265 |
gen_helper_muls(t0, t0, t1); |
2266 |
opn = "muls";
|
2267 |
break;
|
2268 |
case OPC_VR54XX_MULSU:
|
2269 |
gen_helper_mulsu(t0, t0, t1); |
2270 |
opn = "mulsu";
|
2271 |
break;
|
2272 |
case OPC_VR54XX_MACC:
|
2273 |
gen_helper_macc(t0, t0, t1); |
2274 |
opn = "macc";
|
2275 |
break;
|
2276 |
case OPC_VR54XX_MACCU:
|
2277 |
gen_helper_maccu(t0, t0, t1); |
2278 |
opn = "maccu";
|
2279 |
break;
|
2280 |
case OPC_VR54XX_MSAC:
|
2281 |
gen_helper_msac(t0, t0, t1); |
2282 |
opn = "msac";
|
2283 |
break;
|
2284 |
case OPC_VR54XX_MSACU:
|
2285 |
gen_helper_msacu(t0, t0, t1); |
2286 |
opn = "msacu";
|
2287 |
break;
|
2288 |
case OPC_VR54XX_MULHI:
|
2289 |
gen_helper_mulhi(t0, t0, t1); |
2290 |
opn = "mulhi";
|
2291 |
break;
|
2292 |
case OPC_VR54XX_MULHIU:
|
2293 |
gen_helper_mulhiu(t0, t0, t1); |
2294 |
opn = "mulhiu";
|
2295 |
break;
|
2296 |
case OPC_VR54XX_MULSHI:
|
2297 |
gen_helper_mulshi(t0, t0, t1); |
2298 |
opn = "mulshi";
|
2299 |
break;
|
2300 |
case OPC_VR54XX_MULSHIU:
|
2301 |
gen_helper_mulshiu(t0, t0, t1); |
2302 |
opn = "mulshiu";
|
2303 |
break;
|
2304 |
case OPC_VR54XX_MACCHI:
|
2305 |
gen_helper_macchi(t0, t0, t1); |
2306 |
opn = "macchi";
|
2307 |
break;
|
2308 |
case OPC_VR54XX_MACCHIU:
|
2309 |
gen_helper_macchiu(t0, t0, t1); |
2310 |
opn = "macchiu";
|
2311 |
break;
|
2312 |
case OPC_VR54XX_MSACHI:
|
2313 |
gen_helper_msachi(t0, t0, t1); |
2314 |
opn = "msachi";
|
2315 |
break;
|
2316 |
case OPC_VR54XX_MSACHIU:
|
2317 |
gen_helper_msachiu(t0, t0, t1); |
2318 |
opn = "msachiu";
|
2319 |
break;
|
2320 |
default:
|
2321 |
MIPS_INVAL("mul vr54xx");
|
2322 |
generate_exception(ctx, EXCP_RI); |
2323 |
goto out;
|
2324 |
} |
2325 |
gen_store_gpr(t0, rd); |
2326 |
(void)opn; /* avoid a compiler warning */ |
2327 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
2328 |
|
2329 |
out:
|
2330 |
tcg_temp_free(t0); |
2331 |
tcg_temp_free(t1); |
2332 |
} |
2333 |
|
2334 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
2335 |
int rd, int rs) |
2336 |
{ |
2337 |
const char *opn = "CLx"; |
2338 |
TCGv t0; |
2339 |
|
2340 |
if (rd == 0) { |
2341 |
/* Treat as NOP. */
|
2342 |
MIPS_DEBUG("NOP");
|
2343 |
return;
|
2344 |
} |
2345 |
t0 = tcg_temp_new(); |
2346 |
gen_load_gpr(t0, rs); |
2347 |
switch (opc) {
|
2348 |
case OPC_CLO:
|
2349 |
gen_helper_clo(cpu_gpr[rd], t0); |
2350 |
opn = "clo";
|
2351 |
break;
|
2352 |
case OPC_CLZ:
|
2353 |
gen_helper_clz(cpu_gpr[rd], t0); |
2354 |
opn = "clz";
|
2355 |
break;
|
2356 |
#if defined(TARGET_MIPS64)
|
2357 |
case OPC_DCLO:
|
2358 |
gen_helper_dclo(cpu_gpr[rd], t0); |
2359 |
opn = "dclo";
|
2360 |
break;
|
2361 |
case OPC_DCLZ:
|
2362 |
gen_helper_dclz(cpu_gpr[rd], t0); |
2363 |
opn = "dclz";
|
2364 |
break;
|
2365 |
#endif
|
2366 |
} |
2367 |
(void)opn; /* avoid a compiler warning */ |
2368 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
2369 |
tcg_temp_free(t0); |
2370 |
} |
2371 |
|
2372 |
/* Godson integer instructions */
|
2373 |
static void gen_loongson_integer (DisasContext *ctx, uint32_t opc, |
2374 |
int rd, int rs, int rt) |
2375 |
{ |
2376 |
const char *opn = "loongson"; |
2377 |
TCGv t0, t1; |
2378 |
|
2379 |
if (rd == 0) { |
2380 |
/* Treat as NOP. */
|
2381 |
MIPS_DEBUG("NOP");
|
2382 |
return;
|
2383 |
} |
2384 |
|
2385 |
switch (opc) {
|
2386 |
case OPC_MULT_G_2E:
|
2387 |
case OPC_MULT_G_2F:
|
2388 |
case OPC_MULTU_G_2E:
|
2389 |
case OPC_MULTU_G_2F:
|
2390 |
#if defined(TARGET_MIPS64)
|
2391 |
case OPC_DMULT_G_2E:
|
2392 |
case OPC_DMULT_G_2F:
|
2393 |
case OPC_DMULTU_G_2E:
|
2394 |
case OPC_DMULTU_G_2F:
|
2395 |
#endif
|
2396 |
t0 = tcg_temp_new(); |
2397 |
t1 = tcg_temp_new(); |
2398 |
break;
|
2399 |
default:
|
2400 |
t0 = tcg_temp_local_new(); |
2401 |
t1 = tcg_temp_local_new(); |
2402 |
break;
|
2403 |
} |
2404 |
|
2405 |
gen_load_gpr(t0, rs); |
2406 |
gen_load_gpr(t1, rt); |
2407 |
|
2408 |
switch (opc) {
|
2409 |
case OPC_MULT_G_2E:
|
2410 |
case OPC_MULT_G_2F:
|
2411 |
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
2412 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
2413 |
opn = "mult.g";
|
2414 |
break;
|
2415 |
case OPC_MULTU_G_2E:
|
2416 |
case OPC_MULTU_G_2F:
|
2417 |
tcg_gen_ext32u_tl(t0, t0); |
2418 |
tcg_gen_ext32u_tl(t1, t1); |
2419 |
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
2420 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
2421 |
opn = "multu.g";
|
2422 |
break;
|
2423 |
case OPC_DIV_G_2E:
|
2424 |
case OPC_DIV_G_2F:
|
2425 |
{ |
2426 |
int l1 = gen_new_label();
|
2427 |
int l2 = gen_new_label();
|
2428 |
int l3 = gen_new_label();
|
2429 |
tcg_gen_ext32s_tl(t0, t0); |
2430 |
tcg_gen_ext32s_tl(t1, t1); |
2431 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
|
2432 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2433 |
tcg_gen_br(l3); |
2434 |
gen_set_label(l1); |
2435 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
2436 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
|
2437 |
tcg_gen_mov_tl(cpu_gpr[rd], t0); |
2438 |
tcg_gen_br(l3); |
2439 |
gen_set_label(l2); |
2440 |
tcg_gen_div_tl(cpu_gpr[rd], t0, t1); |
2441 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
2442 |
gen_set_label(l3); |
2443 |
} |
2444 |
opn = "div.g";
|
2445 |
break;
|
2446 |
case OPC_DIVU_G_2E:
|
2447 |
case OPC_DIVU_G_2F:
|
2448 |
{ |
2449 |
int l1 = gen_new_label();
|
2450 |
int l2 = gen_new_label();
|
2451 |
tcg_gen_ext32u_tl(t0, t0); |
2452 |
tcg_gen_ext32u_tl(t1, t1); |
2453 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
|
2454 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2455 |
tcg_gen_br(l2); |
2456 |
gen_set_label(l1); |
2457 |
tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); |
2458 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
2459 |
gen_set_label(l2); |
2460 |
} |
2461 |
opn = "divu.g";
|
2462 |
break;
|
2463 |
case OPC_MOD_G_2E:
|
2464 |
case OPC_MOD_G_2F:
|
2465 |
{ |
2466 |
int l1 = gen_new_label();
|
2467 |
int l2 = gen_new_label();
|
2468 |
int l3 = gen_new_label();
|
2469 |
tcg_gen_ext32u_tl(t0, t0); |
2470 |
tcg_gen_ext32u_tl(t1, t1); |
2471 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2472 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
2473 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
|
2474 |
gen_set_label(l1); |
2475 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2476 |
tcg_gen_br(l3); |
2477 |
gen_set_label(l2); |
2478 |
tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); |
2479 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
2480 |
gen_set_label(l3); |
2481 |
} |
2482 |
opn = "mod.g";
|
2483 |
break;
|
2484 |
case OPC_MODU_G_2E:
|
2485 |
case OPC_MODU_G_2F:
|
2486 |
{ |
2487 |
int l1 = gen_new_label();
|
2488 |
int l2 = gen_new_label();
|
2489 |
tcg_gen_ext32u_tl(t0, t0); |
2490 |
tcg_gen_ext32u_tl(t1, t1); |
2491 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
|
2492 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2493 |
tcg_gen_br(l2); |
2494 |
gen_set_label(l1); |
2495 |
tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); |
2496 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
2497 |
gen_set_label(l2); |
2498 |
} |
2499 |
opn = "modu.g";
|
2500 |
break;
|
2501 |
#if defined(TARGET_MIPS64)
|
2502 |
case OPC_DMULT_G_2E:
|
2503 |
case OPC_DMULT_G_2F:
|
2504 |
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
2505 |
opn = "dmult.g";
|
2506 |
break;
|
2507 |
case OPC_DMULTU_G_2E:
|
2508 |
case OPC_DMULTU_G_2F:
|
2509 |
tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); |
2510 |
opn = "dmultu.g";
|
2511 |
break;
|
2512 |
case OPC_DDIV_G_2E:
|
2513 |
case OPC_DDIV_G_2F:
|
2514 |
{ |
2515 |
int l1 = gen_new_label();
|
2516 |
int l2 = gen_new_label();
|
2517 |
int l3 = gen_new_label();
|
2518 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
|
2519 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2520 |
tcg_gen_br(l3); |
2521 |
gen_set_label(l1); |
2522 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
2523 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
|
2524 |
tcg_gen_mov_tl(cpu_gpr[rd], t0); |
2525 |
tcg_gen_br(l3); |
2526 |
gen_set_label(l2); |
2527 |
tcg_gen_div_tl(cpu_gpr[rd], t0, t1); |
2528 |
gen_set_label(l3); |
2529 |
} |
2530 |
opn = "ddiv.g";
|
2531 |
break;
|
2532 |
case OPC_DDIVU_G_2E:
|
2533 |
case OPC_DDIVU_G_2F:
|
2534 |
{ |
2535 |
int l1 = gen_new_label();
|
2536 |
int l2 = gen_new_label();
|
2537 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
|
2538 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2539 |
tcg_gen_br(l2); |
2540 |
gen_set_label(l1); |
2541 |
tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); |
2542 |
gen_set_label(l2); |
2543 |
} |
2544 |
opn = "ddivu.g";
|
2545 |
break;
|
2546 |
case OPC_DMOD_G_2E:
|
2547 |
case OPC_DMOD_G_2F:
|
2548 |
{ |
2549 |
int l1 = gen_new_label();
|
2550 |
int l2 = gen_new_label();
|
2551 |
int l3 = gen_new_label();
|
2552 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2553 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
2554 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
|
2555 |
gen_set_label(l1); |
2556 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2557 |
tcg_gen_br(l3); |
2558 |
gen_set_label(l2); |
2559 |
tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); |
2560 |
gen_set_label(l3); |
2561 |
} |
2562 |
opn = "dmod.g";
|
2563 |
break;
|
2564 |
case OPC_DMODU_G_2E:
|
2565 |
case OPC_DMODU_G_2F:
|
2566 |
{ |
2567 |
int l1 = gen_new_label();
|
2568 |
int l2 = gen_new_label();
|
2569 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
|
2570 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
2571 |
tcg_gen_br(l2); |
2572 |
gen_set_label(l1); |
2573 |
tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); |
2574 |
gen_set_label(l2); |
2575 |
} |
2576 |
opn = "dmodu.g";
|
2577 |
break;
|
2578 |
#endif
|
2579 |
} |
2580 |
|
2581 |
(void)opn; /* avoid a compiler warning */ |
2582 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
2583 |
tcg_temp_free(t0); |
2584 |
tcg_temp_free(t1); |
2585 |
} |
2586 |
|
2587 |
/* Traps */
|
2588 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
2589 |
int rs, int rt, int16_t imm) |
2590 |
{ |
2591 |
int cond;
|
2592 |
TCGv t0 = tcg_temp_new(); |
2593 |
TCGv t1 = tcg_temp_new(); |
2594 |
|
2595 |
cond = 0;
|
2596 |
/* Load needed operands */
|
2597 |
switch (opc) {
|
2598 |
case OPC_TEQ:
|
2599 |
case OPC_TGE:
|
2600 |
case OPC_TGEU:
|
2601 |
case OPC_TLT:
|
2602 |
case OPC_TLTU:
|
2603 |
case OPC_TNE:
|
2604 |
/* Compare two registers */
|
2605 |
if (rs != rt) {
|
2606 |
gen_load_gpr(t0, rs); |
2607 |
gen_load_gpr(t1, rt); |
2608 |
cond = 1;
|
2609 |
} |
2610 |
break;
|
2611 |
case OPC_TEQI:
|
2612 |
case OPC_TGEI:
|
2613 |
case OPC_TGEIU:
|
2614 |
case OPC_TLTI:
|
2615 |
case OPC_TLTIU:
|
2616 |
case OPC_TNEI:
|
2617 |
/* Compare register to immediate */
|
2618 |
if (rs != 0 || imm != 0) { |
2619 |
gen_load_gpr(t0, rs); |
2620 |
tcg_gen_movi_tl(t1, (int32_t)imm); |
2621 |
cond = 1;
|
2622 |
} |
2623 |
break;
|
2624 |
} |
2625 |
if (cond == 0) { |
2626 |
switch (opc) {
|
2627 |
case OPC_TEQ: /* rs == rs */ |
2628 |
case OPC_TEQI: /* r0 == 0 */ |
2629 |
case OPC_TGE: /* rs >= rs */ |
2630 |
case OPC_TGEI: /* r0 >= 0 */ |
2631 |
case OPC_TGEU: /* rs >= rs unsigned */ |
2632 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
2633 |
/* Always trap */
|
2634 |
generate_exception(ctx, EXCP_TRAP); |
2635 |
break;
|
2636 |
case OPC_TLT: /* rs < rs */ |
2637 |
case OPC_TLTI: /* r0 < 0 */ |
2638 |
case OPC_TLTU: /* rs < rs unsigned */ |
2639 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
2640 |
case OPC_TNE: /* rs != rs */ |
2641 |
case OPC_TNEI: /* r0 != 0 */ |
2642 |
/* Never trap: treat as NOP. */
|
2643 |
break;
|
2644 |
} |
2645 |
} else {
|
2646 |
int l1 = gen_new_label();
|
2647 |
|
2648 |
switch (opc) {
|
2649 |
case OPC_TEQ:
|
2650 |
case OPC_TEQI:
|
2651 |
tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); |
2652 |
break;
|
2653 |
case OPC_TGE:
|
2654 |
case OPC_TGEI:
|
2655 |
tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); |
2656 |
break;
|
2657 |
case OPC_TGEU:
|
2658 |
case OPC_TGEIU:
|
2659 |
tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); |
2660 |
break;
|
2661 |
case OPC_TLT:
|
2662 |
case OPC_TLTI:
|
2663 |
tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); |
2664 |
break;
|
2665 |
case OPC_TLTU:
|
2666 |
case OPC_TLTIU:
|
2667 |
tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); |
2668 |
break;
|
2669 |
case OPC_TNE:
|
2670 |
case OPC_TNEI:
|
2671 |
tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); |
2672 |
break;
|
2673 |
} |
2674 |
generate_exception(ctx, EXCP_TRAP); |
2675 |
gen_set_label(l1); |
2676 |
} |
2677 |
tcg_temp_free(t0); |
2678 |
tcg_temp_free(t1); |
2679 |
} |
2680 |
|
2681 |
static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
2682 |
{ |
2683 |
TranslationBlock *tb; |
2684 |
tb = ctx->tb; |
2685 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
|
2686 |
likely(!ctx->singlestep_enabled)) { |
2687 |
tcg_gen_goto_tb(n); |
2688 |
gen_save_pc(dest); |
2689 |
tcg_gen_exit_tb((tcg_target_long)tb + n); |
2690 |
} else {
|
2691 |
gen_save_pc(dest); |
2692 |
if (ctx->singlestep_enabled) {
|
2693 |
save_cpu_state(ctx, 0);
|
2694 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
2695 |
} |
2696 |
tcg_gen_exit_tb(0);
|
2697 |
} |
2698 |
} |
2699 |
|
2700 |
/* Branches (before delay slot) */
|
2701 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
2702 |
int insn_bytes,
|
2703 |
int rs, int rt, int32_t offset) |
2704 |
{ |
2705 |
target_ulong btgt = -1;
|
2706 |
int blink = 0; |
2707 |
int bcond_compute = 0; |
2708 |
TCGv t0 = tcg_temp_new(); |
2709 |
TCGv t1 = tcg_temp_new(); |
2710 |
|
2711 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
2712 |
#ifdef MIPS_DEBUG_DISAS
|
2713 |
LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc); |
2714 |
#endif
|
2715 |
generate_exception(ctx, EXCP_RI); |
2716 |
goto out;
|
2717 |
} |
2718 |
|
2719 |
/* Load needed operands */
|
2720 |
switch (opc) {
|
2721 |
case OPC_BEQ:
|
2722 |
case OPC_BEQL:
|
2723 |
case OPC_BNE:
|
2724 |
case OPC_BNEL:
|
2725 |
/* Compare two registers */
|
2726 |
if (rs != rt) {
|
2727 |
gen_load_gpr(t0, rs); |
2728 |
gen_load_gpr(t1, rt); |
2729 |
bcond_compute = 1;
|
2730 |
} |
2731 |
btgt = ctx->pc + insn_bytes + offset; |
2732 |
break;
|
2733 |
case OPC_BGEZ:
|
2734 |
case OPC_BGEZAL:
|
2735 |
case OPC_BGEZALS:
|
2736 |
case OPC_BGEZALL:
|
2737 |
case OPC_BGEZL:
|
2738 |
case OPC_BGTZ:
|
2739 |
case OPC_BGTZL:
|
2740 |
case OPC_BLEZ:
|
2741 |
case OPC_BLEZL:
|
2742 |
case OPC_BLTZ:
|
2743 |
case OPC_BLTZAL:
|
2744 |
case OPC_BLTZALS:
|
2745 |
case OPC_BLTZALL:
|
2746 |
case OPC_BLTZL:
|
2747 |
/* Compare to zero */
|
2748 |
if (rs != 0) { |
2749 |
gen_load_gpr(t0, rs); |
2750 |
bcond_compute = 1;
|
2751 |
} |
2752 |
btgt = ctx->pc + insn_bytes + offset; |
2753 |
break;
|
2754 |
case OPC_J:
|
2755 |
case OPC_JAL:
|
2756 |
case OPC_JALX:
|
2757 |
case OPC_JALS:
|
2758 |
case OPC_JALXS:
|
2759 |
/* Jump to immediate */
|
2760 |
btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset;
|
2761 |
break;
|
2762 |
case OPC_JR:
|
2763 |
case OPC_JALR:
|
2764 |
case OPC_JALRC:
|
2765 |
case OPC_JALRS:
|
2766 |
/* Jump to register */
|
2767 |
if (offset != 0 && offset != 16) { |
2768 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
2769 |
others are reserved. */
|
2770 |
MIPS_INVAL("jump hint");
|
2771 |
generate_exception(ctx, EXCP_RI); |
2772 |
goto out;
|
2773 |
} |
2774 |
gen_load_gpr(btarget, rs); |
2775 |
break;
|
2776 |
default:
|
2777 |
MIPS_INVAL("branch/jump");
|
2778 |
generate_exception(ctx, EXCP_RI); |
2779 |
goto out;
|
2780 |
} |
2781 |
if (bcond_compute == 0) { |
2782 |
/* No condition to be computed */
|
2783 |
switch (opc) {
|
2784 |
case OPC_BEQ: /* rx == rx */ |
2785 |
case OPC_BEQL: /* rx == rx likely */ |
2786 |
case OPC_BGEZ: /* 0 >= 0 */ |
2787 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
2788 |
case OPC_BLEZ: /* 0 <= 0 */ |
2789 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
2790 |
/* Always take */
|
2791 |
ctx->hflags |= MIPS_HFLAG_B; |
2792 |
MIPS_DEBUG("balways");
|
2793 |
break;
|
2794 |
case OPC_BGEZALS:
|
2795 |
case OPC_BGEZAL: /* 0 >= 0 */ |
2796 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
2797 |
ctx->hflags |= (opc == OPC_BGEZALS |
2798 |
? MIPS_HFLAG_BDS16 |
2799 |
: MIPS_HFLAG_BDS32); |
2800 |
/* Always take and link */
|
2801 |
blink = 31;
|
2802 |
ctx->hflags |= MIPS_HFLAG_B; |
2803 |
MIPS_DEBUG("balways and link");
|
2804 |
break;
|
2805 |
case OPC_BNE: /* rx != rx */ |
2806 |
case OPC_BGTZ: /* 0 > 0 */ |
2807 |
case OPC_BLTZ: /* 0 < 0 */ |
2808 |
/* Treat as NOP. */
|
2809 |
MIPS_DEBUG("bnever (NOP)");
|
2810 |
goto out;
|
2811 |
case OPC_BLTZALS:
|
2812 |
case OPC_BLTZAL: /* 0 < 0 */ |
2813 |
ctx->hflags |= (opc == OPC_BLTZALS |
2814 |
? MIPS_HFLAG_BDS16 |
2815 |
: MIPS_HFLAG_BDS32); |
2816 |
/* Handle as an unconditional branch to get correct delay
|
2817 |
slot checking. */
|
2818 |
blink = 31;
|
2819 |
btgt = ctx->pc + (opc == OPC_BLTZALS ? 6 : 8); |
2820 |
ctx->hflags |= MIPS_HFLAG_B; |
2821 |
MIPS_DEBUG("bnever and link");
|
2822 |
break;
|
2823 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
2824 |
tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); |
2825 |
/* Skip the instruction in the delay slot */
|
2826 |
MIPS_DEBUG("bnever, link and skip");
|
2827 |
ctx->pc += 4;
|
2828 |
goto out;
|
2829 |
case OPC_BNEL: /* rx != rx likely */ |
2830 |
case OPC_BGTZL: /* 0 > 0 likely */ |
2831 |
case OPC_BLTZL: /* 0 < 0 likely */ |
2832 |
/* Skip the instruction in the delay slot */
|
2833 |
MIPS_DEBUG("bnever and skip");
|
2834 |
ctx->pc += 4;
|
2835 |
goto out;
|
2836 |
case OPC_J:
|
2837 |
ctx->hflags |= MIPS_HFLAG_B; |
2838 |
MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
|
2839 |
break;
|
2840 |
case OPC_JALXS:
|
2841 |
case OPC_JALX:
|
2842 |
ctx->hflags |= MIPS_HFLAG_BX; |
2843 |
/* Fallthrough */
|
2844 |
case OPC_JALS:
|
2845 |
case OPC_JAL:
|
2846 |
blink = 31;
|
2847 |
ctx->hflags |= MIPS_HFLAG_B; |
2848 |
ctx->hflags |= ((opc == OPC_JALS || opc == OPC_JALXS) |
2849 |
? MIPS_HFLAG_BDS16 |
2850 |
: MIPS_HFLAG_BDS32); |
2851 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
|
2852 |
break;
|
2853 |
case OPC_JR:
|
2854 |
ctx->hflags |= MIPS_HFLAG_BR; |
2855 |
if (insn_bytes == 4) |
2856 |
ctx->hflags |= MIPS_HFLAG_BDS32; |
2857 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
2858 |
break;
|
2859 |
case OPC_JALRS:
|
2860 |
case OPC_JALR:
|
2861 |
case OPC_JALRC:
|
2862 |
blink = rt; |
2863 |
ctx->hflags |= MIPS_HFLAG_BR; |
2864 |
ctx->hflags |= (opc == OPC_JALRS |
2865 |
? MIPS_HFLAG_BDS16 |
2866 |
: MIPS_HFLAG_BDS32); |
2867 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
2868 |
break;
|
2869 |
default:
|
2870 |
MIPS_INVAL("branch/jump");
|
2871 |
generate_exception(ctx, EXCP_RI); |
2872 |
goto out;
|
2873 |
} |
2874 |
} else {
|
2875 |
switch (opc) {
|
2876 |
case OPC_BEQ:
|
2877 |
tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); |
2878 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
2879 |
regnames[rs], regnames[rt], btgt); |
2880 |
goto not_likely;
|
2881 |
case OPC_BEQL:
|
2882 |
tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); |
2883 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
2884 |
regnames[rs], regnames[rt], btgt); |
2885 |
goto likely;
|
2886 |
case OPC_BNE:
|
2887 |
tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); |
2888 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
2889 |
regnames[rs], regnames[rt], btgt); |
2890 |
goto not_likely;
|
2891 |
case OPC_BNEL:
|
2892 |
tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); |
2893 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
2894 |
regnames[rs], regnames[rt], btgt); |
2895 |
goto likely;
|
2896 |
case OPC_BGEZ:
|
2897 |
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
|
2898 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2899 |
goto not_likely;
|
2900 |
case OPC_BGEZL:
|
2901 |
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
|
2902 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2903 |
goto likely;
|
2904 |
case OPC_BGEZALS:
|
2905 |
case OPC_BGEZAL:
|
2906 |
ctx->hflags |= (opc == OPC_BGEZALS |
2907 |
? MIPS_HFLAG_BDS16 |
2908 |
: MIPS_HFLAG_BDS32); |
2909 |
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
|
2910 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2911 |
blink = 31;
|
2912 |
goto not_likely;
|
2913 |
case OPC_BGEZALL:
|
2914 |
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
|
2915 |
blink = 31;
|
2916 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2917 |
goto likely;
|
2918 |
case OPC_BGTZ:
|
2919 |
tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
|
2920 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2921 |
goto not_likely;
|
2922 |
case OPC_BGTZL:
|
2923 |
tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
|
2924 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2925 |
goto likely;
|
2926 |
case OPC_BLEZ:
|
2927 |
tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
|
2928 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2929 |
goto not_likely;
|
2930 |
case OPC_BLEZL:
|
2931 |
tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
|
2932 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2933 |
goto likely;
|
2934 |
case OPC_BLTZ:
|
2935 |
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
|
2936 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2937 |
goto not_likely;
|
2938 |
case OPC_BLTZL:
|
2939 |
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
|
2940 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2941 |
goto likely;
|
2942 |
case OPC_BLTZALS:
|
2943 |
case OPC_BLTZAL:
|
2944 |
ctx->hflags |= (opc == OPC_BLTZALS |
2945 |
? MIPS_HFLAG_BDS16 |
2946 |
: MIPS_HFLAG_BDS32); |
2947 |
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
|
2948 |
blink = 31;
|
2949 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2950 |
not_likely:
|
2951 |
ctx->hflags |= MIPS_HFLAG_BC; |
2952 |
break;
|
2953 |
case OPC_BLTZALL:
|
2954 |
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
|
2955 |
blink = 31;
|
2956 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2957 |
likely:
|
2958 |
ctx->hflags |= MIPS_HFLAG_BL; |
2959 |
break;
|
2960 |
default:
|
2961 |
MIPS_INVAL("conditional branch/jump");
|
2962 |
generate_exception(ctx, EXCP_RI); |
2963 |
goto out;
|
2964 |
} |
2965 |
} |
2966 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
2967 |
blink, ctx->hflags, btgt); |
2968 |
|
2969 |
ctx->btarget = btgt; |
2970 |
if (blink > 0) { |
2971 |
int post_delay = insn_bytes;
|
2972 |
int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
|
2973 |
|
2974 |
if (opc != OPC_JALRC)
|
2975 |
post_delay += ((ctx->hflags & MIPS_HFLAG_BDS16) ? 2 : 4); |
2976 |
|
2977 |
tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + post_delay + lowbit); |
2978 |
} |
2979 |
|
2980 |
out:
|
2981 |
if (insn_bytes == 2) |
2982 |
ctx->hflags |= MIPS_HFLAG_B16; |
2983 |
tcg_temp_free(t0); |
2984 |
tcg_temp_free(t1); |
2985 |
} |
2986 |
|
2987 |
/* special3 bitfield operations */
|
2988 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
2989 |
int rs, int lsb, int msb) |
2990 |
{ |
2991 |
TCGv t0 = tcg_temp_new(); |
2992 |
TCGv t1 = tcg_temp_new(); |
2993 |
target_ulong mask; |
2994 |
|
2995 |
gen_load_gpr(t1, rs); |
2996 |
switch (opc) {
|
2997 |
case OPC_EXT:
|
2998 |
if (lsb + msb > 31) |
2999 |
goto fail;
|
3000 |
tcg_gen_shri_tl(t0, t1, lsb); |
3001 |
if (msb != 31) { |
3002 |
tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1); |
3003 |
} else {
|
3004 |
tcg_gen_ext32s_tl(t0, t0); |
3005 |
} |
3006 |
break;
|
3007 |
#if defined(TARGET_MIPS64)
|
3008 |
case OPC_DEXTM:
|
3009 |
tcg_gen_shri_tl(t0, t1, lsb); |
3010 |
if (msb != 31) { |
3011 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1); |
3012 |
} |
3013 |
break;
|
3014 |
case OPC_DEXTU:
|
3015 |
tcg_gen_shri_tl(t0, t1, lsb + 32);
|
3016 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
3017 |
break;
|
3018 |
case OPC_DEXT:
|
3019 |
tcg_gen_shri_tl(t0, t1, lsb); |
3020 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
3021 |
break;
|
3022 |
#endif
|
3023 |
case OPC_INS:
|
3024 |
if (lsb > msb)
|
3025 |
goto fail;
|
3026 |
mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb; |
3027 |
gen_load_gpr(t0, rt); |
3028 |
tcg_gen_andi_tl(t0, t0, ~mask); |
3029 |
tcg_gen_shli_tl(t1, t1, lsb); |
3030 |
tcg_gen_andi_tl(t1, t1, mask); |
3031 |
tcg_gen_or_tl(t0, t0, t1); |
3032 |
tcg_gen_ext32s_tl(t0, t0); |
3033 |
break;
|
3034 |
#if defined(TARGET_MIPS64)
|
3035 |
case OPC_DINSM:
|
3036 |
if (lsb > msb)
|
3037 |
goto fail;
|
3038 |
mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb; |
3039 |
gen_load_gpr(t0, rt); |
3040 |
tcg_gen_andi_tl(t0, t0, ~mask); |
3041 |
tcg_gen_shli_tl(t1, t1, lsb); |
3042 |
tcg_gen_andi_tl(t1, t1, mask); |
3043 |
tcg_gen_or_tl(t0, t0, t1); |
3044 |
break;
|
3045 |
case OPC_DINSU:
|
3046 |
if (lsb > msb)
|
3047 |
goto fail;
|
3048 |
mask = ((1ULL << (msb - lsb + 1)) - 1) << (lsb + 32); |
3049 |
gen_load_gpr(t0, rt); |
3050 |
tcg_gen_andi_tl(t0, t0, ~mask); |
3051 |
tcg_gen_shli_tl(t1, t1, lsb + 32);
|
3052 |
tcg_gen_andi_tl(t1, t1, mask); |
3053 |
tcg_gen_or_tl(t0, t0, t1); |
3054 |
break;
|
3055 |
case OPC_DINS:
|
3056 |
if (lsb > msb)
|
3057 |
goto fail;
|
3058 |
gen_load_gpr(t0, rt); |
3059 |
mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb; |
3060 |
gen_load_gpr(t0, rt); |
3061 |
tcg_gen_andi_tl(t0, t0, ~mask); |
3062 |
tcg_gen_shli_tl(t1, t1, lsb); |
3063 |
tcg_gen_andi_tl(t1, t1, mask); |
3064 |
tcg_gen_or_tl(t0, t0, t1); |
3065 |
break;
|
3066 |
#endif
|
3067 |
default:
|
3068 |
fail:
|
3069 |
MIPS_INVAL("bitops");
|
3070 |
generate_exception(ctx, EXCP_RI); |
3071 |
tcg_temp_free(t0); |
3072 |
tcg_temp_free(t1); |
3073 |
return;
|
3074 |
} |
3075 |
gen_store_gpr(t0, rt); |
3076 |
tcg_temp_free(t0); |
3077 |
tcg_temp_free(t1); |
3078 |
} |
3079 |
|
3080 |
static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd) |
3081 |
{ |
3082 |
TCGv t0; |
3083 |
|
3084 |
if (rd == 0) { |
3085 |
/* If no destination, treat it as a NOP. */
|
3086 |
MIPS_DEBUG("NOP");
|
3087 |
return;
|
3088 |
} |
3089 |
|
3090 |
t0 = tcg_temp_new(); |
3091 |
gen_load_gpr(t0, rt); |
3092 |
switch (op2) {
|
3093 |
case OPC_WSBH:
|
3094 |
{ |
3095 |
TCGv t1 = tcg_temp_new(); |
3096 |
|
3097 |
tcg_gen_shri_tl(t1, t0, 8);
|
3098 |
tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
|
3099 |
tcg_gen_shli_tl(t0, t0, 8);
|
3100 |
tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
|
3101 |
tcg_gen_or_tl(t0, t0, t1); |
3102 |
tcg_temp_free(t1); |
3103 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
3104 |
} |
3105 |
break;
|
3106 |
case OPC_SEB:
|
3107 |
tcg_gen_ext8s_tl(cpu_gpr[rd], t0); |
3108 |
break;
|
3109 |
case OPC_SEH:
|
3110 |
tcg_gen_ext16s_tl(cpu_gpr[rd], t0); |
3111 |
break;
|
3112 |
#if defined(TARGET_MIPS64)
|
3113 |
case OPC_DSBH:
|
3114 |
{ |
3115 |
TCGv t1 = tcg_temp_new(); |
3116 |
|
3117 |
tcg_gen_shri_tl(t1, t0, 8);
|
3118 |
tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
|
3119 |
tcg_gen_shli_tl(t0, t0, 8);
|
3120 |
tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
|
3121 |
tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
3122 |
tcg_temp_free(t1); |
3123 |
} |
3124 |
break;
|
3125 |
case OPC_DSHD:
|
3126 |
{ |
3127 |
TCGv t1 = tcg_temp_new(); |
3128 |
|
3129 |
tcg_gen_shri_tl(t1, t0, 16);
|
3130 |
tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
|
3131 |
tcg_gen_shli_tl(t0, t0, 16);
|
3132 |
tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
|
3133 |
tcg_gen_or_tl(t0, t0, t1); |
3134 |
tcg_gen_shri_tl(t1, t0, 32);
|
3135 |
tcg_gen_shli_tl(t0, t0, 32);
|
3136 |
tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
3137 |
tcg_temp_free(t1); |
3138 |
} |
3139 |
break;
|
3140 |
#endif
|
3141 |
default:
|
3142 |
MIPS_INVAL("bsfhl");
|
3143 |
generate_exception(ctx, EXCP_RI); |
3144 |
tcg_temp_free(t0); |
3145 |
return;
|
3146 |
} |
3147 |
tcg_temp_free(t0); |
3148 |
} |
3149 |
|
3150 |
#ifndef CONFIG_USER_ONLY
|
3151 |
/* CP0 (MMU and control) */
|
3152 |
static inline void gen_mfc0_load32 (TCGv arg, target_ulong off) |
3153 |
{ |
3154 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
3155 |
|
3156 |
tcg_gen_ld_i32(t0, cpu_env, off); |
3157 |
tcg_gen_ext_i32_tl(arg, t0); |
3158 |
tcg_temp_free_i32(t0); |
3159 |
} |
3160 |
|
3161 |
static inline void gen_mfc0_load64 (TCGv arg, target_ulong off) |
3162 |
{ |
3163 |
tcg_gen_ld_tl(arg, cpu_env, off); |
3164 |
tcg_gen_ext32s_tl(arg, arg); |
3165 |
} |
3166 |
|
3167 |
static inline void gen_mtc0_store32 (TCGv arg, target_ulong off) |
3168 |
{ |
3169 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
3170 |
|
3171 |
tcg_gen_trunc_tl_i32(t0, arg); |
3172 |
tcg_gen_st_i32(t0, cpu_env, off); |
3173 |
tcg_temp_free_i32(t0); |
3174 |
} |
3175 |
|
3176 |
static inline void gen_mtc0_store64 (TCGv arg, target_ulong off) |
3177 |
{ |
3178 |
tcg_gen_ext32s_tl(arg, arg); |
3179 |
tcg_gen_st_tl(arg, cpu_env, off); |
3180 |
} |
3181 |
|
3182 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
3183 |
{ |
3184 |
const char *rn = "invalid"; |
3185 |
|
3186 |
if (sel != 0) |
3187 |
check_insn(env, ctx, ISA_MIPS32); |
3188 |
|
3189 |
switch (reg) {
|
3190 |
case 0: |
3191 |
switch (sel) {
|
3192 |
case 0: |
3193 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
3194 |
rn = "Index";
|
3195 |
break;
|
3196 |
case 1: |
3197 |
check_insn(env, ctx, ASE_MT); |
3198 |
gen_helper_mfc0_mvpcontrol(arg); |
3199 |
rn = "MVPControl";
|
3200 |
break;
|
3201 |
case 2: |
3202 |
check_insn(env, ctx, ASE_MT); |
3203 |
gen_helper_mfc0_mvpconf0(arg); |
3204 |
rn = "MVPConf0";
|
3205 |
break;
|
3206 |
case 3: |
3207 |
check_insn(env, ctx, ASE_MT); |
3208 |
gen_helper_mfc0_mvpconf1(arg); |
3209 |
rn = "MVPConf1";
|
3210 |
break;
|
3211 |
default:
|
3212 |
goto die;
|
3213 |
} |
3214 |
break;
|
3215 |
case 1: |
3216 |
switch (sel) {
|
3217 |
case 0: |
3218 |
gen_helper_mfc0_random(arg); |
3219 |
rn = "Random";
|
3220 |
break;
|
3221 |
case 1: |
3222 |
check_insn(env, ctx, ASE_MT); |
3223 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
3224 |
rn = "VPEControl";
|
3225 |
break;
|
3226 |
case 2: |
3227 |
check_insn(env, ctx, ASE_MT); |
3228 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
3229 |
rn = "VPEConf0";
|
3230 |
break;
|
3231 |
case 3: |
3232 |
check_insn(env, ctx, ASE_MT); |
3233 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
3234 |
rn = "VPEConf1";
|
3235 |
break;
|
3236 |
case 4: |
3237 |
check_insn(env, ctx, ASE_MT); |
3238 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask)); |
3239 |
rn = "YQMask";
|
3240 |
break;
|
3241 |
case 5: |
3242 |
check_insn(env, ctx, ASE_MT); |
3243 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule)); |
3244 |
rn = "VPESchedule";
|
3245 |
break;
|
3246 |
case 6: |
3247 |
check_insn(env, ctx, ASE_MT); |
3248 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
3249 |
rn = "VPEScheFBack";
|
3250 |
break;
|
3251 |
case 7: |
3252 |
check_insn(env, ctx, ASE_MT); |
3253 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
3254 |
rn = "VPEOpt";
|
3255 |
break;
|
3256 |
default:
|
3257 |
goto die;
|
3258 |
} |
3259 |
break;
|
3260 |
case 2: |
3261 |
switch (sel) {
|
3262 |
case 0: |
3263 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
3264 |
tcg_gen_ext32s_tl(arg, arg); |
3265 |
rn = "EntryLo0";
|
3266 |
break;
|
3267 |
case 1: |
3268 |
check_insn(env, ctx, ASE_MT); |
3269 |
gen_helper_mfc0_tcstatus(arg); |
3270 |
rn = "TCStatus";
|
3271 |
break;
|
3272 |
case 2: |
3273 |
check_insn(env, ctx, ASE_MT); |
3274 |
gen_helper_mfc0_tcbind(arg); |
3275 |
rn = "TCBind";
|
3276 |
break;
|
3277 |
case 3: |
3278 |
check_insn(env, ctx, ASE_MT); |
3279 |
gen_helper_mfc0_tcrestart(arg); |
3280 |
rn = "TCRestart";
|
3281 |
break;
|
3282 |
case 4: |
3283 |
check_insn(env, ctx, ASE_MT); |
3284 |
gen_helper_mfc0_tchalt(arg); |
3285 |
rn = "TCHalt";
|
3286 |
break;
|
3287 |
case 5: |
3288 |
check_insn(env, ctx, ASE_MT); |
3289 |
gen_helper_mfc0_tccontext(arg); |
3290 |
rn = "TCContext";
|
3291 |
break;
|
3292 |
case 6: |
3293 |
check_insn(env, ctx, ASE_MT); |
3294 |
gen_helper_mfc0_tcschedule(arg); |
3295 |
rn = "TCSchedule";
|
3296 |
break;
|
3297 |
case 7: |
3298 |
check_insn(env, ctx, ASE_MT); |
3299 |
gen_helper_mfc0_tcschefback(arg); |
3300 |
rn = "TCScheFBack";
|
3301 |
break;
|
3302 |
default:
|
3303 |
goto die;
|
3304 |
} |
3305 |
break;
|
3306 |
case 3: |
3307 |
switch (sel) {
|
3308 |
case 0: |
3309 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
3310 |
tcg_gen_ext32s_tl(arg, arg); |
3311 |
rn = "EntryLo1";
|
3312 |
break;
|
3313 |
default:
|
3314 |
goto die;
|
3315 |
} |
3316 |
break;
|
3317 |
case 4: |
3318 |
switch (sel) {
|
3319 |
case 0: |
3320 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
3321 |
tcg_gen_ext32s_tl(arg, arg); |
3322 |
rn = "Context";
|
3323 |
break;
|
3324 |
case 1: |
3325 |
// gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
|
3326 |
rn = "ContextConfig";
|
3327 |
// break;
|
3328 |
default:
|
3329 |
goto die;
|
3330 |
} |
3331 |
break;
|
3332 |
case 5: |
3333 |
switch (sel) {
|
3334 |
case 0: |
3335 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
3336 |
rn = "PageMask";
|
3337 |
break;
|
3338 |
case 1: |
3339 |
check_insn(env, ctx, ISA_MIPS32R2); |
3340 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
3341 |
rn = "PageGrain";
|
3342 |
break;
|
3343 |
default:
|
3344 |
goto die;
|
3345 |
} |
3346 |
break;
|
3347 |
case 6: |
3348 |
switch (sel) {
|
3349 |
case 0: |
3350 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
3351 |
rn = "Wired";
|
3352 |
break;
|
3353 |
case 1: |
3354 |
check_insn(env, ctx, ISA_MIPS32R2); |
3355 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
3356 |
rn = "SRSConf0";
|
3357 |
break;
|
3358 |
case 2: |
3359 |
check_insn(env, ctx, ISA_MIPS32R2); |
3360 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
3361 |
rn = "SRSConf1";
|
3362 |
break;
|
3363 |
case 3: |
3364 |
check_insn(env, ctx, ISA_MIPS32R2); |
3365 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
3366 |
rn = "SRSConf2";
|
3367 |
break;
|
3368 |
case 4: |
3369 |
check_insn(env, ctx, ISA_MIPS32R2); |
3370 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
3371 |
rn = "SRSConf3";
|
3372 |
break;
|
3373 |
case 5: |
3374 |
check_insn(env, ctx, ISA_MIPS32R2); |
3375 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
3376 |
rn = "SRSConf4";
|
3377 |
break;
|
3378 |
default:
|
3379 |
goto die;
|
3380 |
} |
3381 |
break;
|
3382 |
case 7: |
3383 |
switch (sel) {
|
3384 |
case 0: |
3385 |
check_insn(env, ctx, ISA_MIPS32R2); |
3386 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
3387 |
rn = "HWREna";
|
3388 |
break;
|
3389 |
default:
|
3390 |
goto die;
|
3391 |
} |
3392 |
break;
|
3393 |
case 8: |
3394 |
switch (sel) {
|
3395 |
case 0: |
3396 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
3397 |
tcg_gen_ext32s_tl(arg, arg); |
3398 |
rn = "BadVAddr";
|
3399 |
break;
|
3400 |
default:
|
3401 |
goto die;
|
3402 |
} |
3403 |
break;
|
3404 |
case 9: |
3405 |
switch (sel) {
|
3406 |
case 0: |
3407 |
/* Mark as an IO operation because we read the time. */
|
3408 |
if (use_icount)
|
3409 |
gen_io_start(); |
3410 |
gen_helper_mfc0_count(arg); |
3411 |
if (use_icount) {
|
3412 |
gen_io_end(); |
3413 |
} |
3414 |
/* Break the TB to be able to take timer interrupts immediately
|
3415 |
after reading count. */
|
3416 |
ctx->bstate = BS_STOP; |
3417 |
rn = "Count";
|
3418 |
break;
|
3419 |
/* 6,7 are implementation dependent */
|
3420 |
default:
|
3421 |
goto die;
|
3422 |
} |
3423 |
break;
|
3424 |
case 10: |
3425 |
switch (sel) {
|
3426 |
case 0: |
3427 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
3428 |
tcg_gen_ext32s_tl(arg, arg); |
3429 |
rn = "EntryHi";
|
3430 |
break;
|
3431 |
default:
|
3432 |
goto die;
|
3433 |
} |
3434 |
break;
|
3435 |
case 11: |
3436 |
switch (sel) {
|
3437 |
case 0: |
3438 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
3439 |
rn = "Compare";
|
3440 |
break;
|
3441 |
/* 6,7 are implementation dependent */
|
3442 |
default:
|
3443 |
goto die;
|
3444 |
} |
3445 |
break;
|
3446 |
case 12: |
3447 |
switch (sel) {
|
3448 |
case 0: |
3449 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
3450 |
rn = "Status";
|
3451 |
break;
|
3452 |
case 1: |
3453 |
check_insn(env, ctx, ISA_MIPS32R2); |
3454 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
3455 |
rn = "IntCtl";
|
3456 |
break;
|
3457 |
case 2: |
3458 |
check_insn(env, ctx, ISA_MIPS32R2); |
3459 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
3460 |
rn = "SRSCtl";
|
3461 |
break;
|
3462 |
case 3: |
3463 |
check_insn(env, ctx, ISA_MIPS32R2); |
3464 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
3465 |
rn = "SRSMap";
|
3466 |
break;
|
3467 |
default:
|
3468 |
goto die;
|
3469 |
} |
3470 |
break;
|
3471 |
case 13: |
3472 |
switch (sel) {
|
3473 |
case 0: |
3474 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
3475 |
rn = "Cause";
|
3476 |
break;
|
3477 |
default:
|
3478 |
goto die;
|
3479 |
} |
3480 |
break;
|
3481 |
case 14: |
3482 |
switch (sel) {
|
3483 |
case 0: |
3484 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
3485 |
tcg_gen_ext32s_tl(arg, arg); |
3486 |
rn = "EPC";
|
3487 |
break;
|
3488 |
default:
|
3489 |
goto die;
|
3490 |
} |
3491 |
break;
|
3492 |
case 15: |
3493 |
switch (sel) {
|
3494 |
case 0: |
3495 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
3496 |
rn = "PRid";
|
3497 |
break;
|
3498 |
case 1: |
3499 |
check_insn(env, ctx, ISA_MIPS32R2); |
3500 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
3501 |
rn = "EBase";
|
3502 |
break;
|
3503 |
default:
|
3504 |
goto die;
|
3505 |
} |
3506 |
break;
|
3507 |
case 16: |
3508 |
switch (sel) {
|
3509 |
case 0: |
3510 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
3511 |
rn = "Config";
|
3512 |
break;
|
3513 |
case 1: |
3514 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
3515 |
rn = "Config1";
|
3516 |
break;
|
3517 |
case 2: |
3518 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
3519 |
rn = "Config2";
|
3520 |
break;
|
3521 |
case 3: |
3522 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
3523 |
rn = "Config3";
|
3524 |
break;
|
3525 |
/* 4,5 are reserved */
|
3526 |
/* 6,7 are implementation dependent */
|
3527 |
case 6: |
3528 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
3529 |
rn = "Config6";
|
3530 |
break;
|
3531 |
case 7: |
3532 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
3533 |
rn = "Config7";
|
3534 |
break;
|
3535 |
default:
|
3536 |
goto die;
|
3537 |
} |
3538 |
break;
|
3539 |
case 17: |
3540 |
switch (sel) {
|
3541 |
case 0: |
3542 |
gen_helper_mfc0_lladdr(arg); |
3543 |
rn = "LLAddr";
|
3544 |
break;
|
3545 |
default:
|
3546 |
goto die;
|
3547 |
} |
3548 |
break;
|
3549 |
case 18: |
3550 |
switch (sel) {
|
3551 |
case 0 ... 7: |
3552 |
gen_helper_1i(mfc0_watchlo, arg, sel); |
3553 |
rn = "WatchLo";
|
3554 |
break;
|
3555 |
default:
|
3556 |
goto die;
|
3557 |
} |
3558 |
break;
|
3559 |
case 19: |
3560 |
switch (sel) {
|
3561 |
case 0 ...7: |
3562 |
gen_helper_1i(mfc0_watchhi, arg, sel); |
3563 |
rn = "WatchHi";
|
3564 |
break;
|
3565 |
default:
|
3566 |
goto die;
|
3567 |
} |
3568 |
break;
|
3569 |
case 20: |
3570 |
switch (sel) {
|
3571 |
case 0: |
3572 |
#if defined(TARGET_MIPS64)
|
3573 |
check_insn(env, ctx, ISA_MIPS3); |
3574 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
3575 |
tcg_gen_ext32s_tl(arg, arg); |
3576 |
rn = "XContext";
|
3577 |
break;
|
3578 |
#endif
|
3579 |
default:
|
3580 |
goto die;
|
3581 |
} |
3582 |
break;
|
3583 |
case 21: |
3584 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3585 |
switch (sel) {
|
3586 |
case 0: |
3587 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
3588 |
rn = "Framemask";
|
3589 |
break;
|
3590 |
default:
|
3591 |
goto die;
|
3592 |
} |
3593 |
break;
|
3594 |
case 22: |
3595 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
3596 |
rn = "'Diagnostic"; /* implementation dependent */ |
3597 |
break;
|
3598 |
case 23: |
3599 |
switch (sel) {
|
3600 |
case 0: |
3601 |
gen_helper_mfc0_debug(arg); /* EJTAG support */
|
3602 |
rn = "Debug";
|
3603 |
break;
|
3604 |
case 1: |
3605 |
// gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
|
3606 |
rn = "TraceControl";
|
3607 |
// break;
|
3608 |
case 2: |
3609 |
// gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
|
3610 |
rn = "TraceControl2";
|
3611 |
// break;
|
3612 |
case 3: |
3613 |
// gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
|
3614 |
rn = "UserTraceData";
|
3615 |
// break;
|
3616 |
case 4: |
3617 |
// gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
|
3618 |
rn = "TraceBPC";
|
3619 |
// break;
|
3620 |
default:
|
3621 |
goto die;
|
3622 |
} |
3623 |
break;
|
3624 |
case 24: |
3625 |
switch (sel) {
|
3626 |
case 0: |
3627 |
/* EJTAG support */
|
3628 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
3629 |
tcg_gen_ext32s_tl(arg, arg); |
3630 |
rn = "DEPC";
|
3631 |
break;
|
3632 |
default:
|
3633 |
goto die;
|
3634 |
} |
3635 |
break;
|
3636 |
case 25: |
3637 |
switch (sel) {
|
3638 |
case 0: |
3639 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
3640 |
rn = "Performance0";
|
3641 |
break;
|
3642 |
case 1: |
3643 |
// gen_helper_mfc0_performance1(arg);
|
3644 |
rn = "Performance1";
|
3645 |
// break;
|
3646 |
case 2: |
3647 |
// gen_helper_mfc0_performance2(arg);
|
3648 |
rn = "Performance2";
|
3649 |
// break;
|
3650 |
case 3: |
3651 |
// gen_helper_mfc0_performance3(arg);
|
3652 |
rn = "Performance3";
|
3653 |
// break;
|
3654 |
case 4: |
3655 |
// gen_helper_mfc0_performance4(arg);
|
3656 |
rn = "Performance4";
|
3657 |
// break;
|
3658 |
case 5: |
3659 |
// gen_helper_mfc0_performance5(arg);
|
3660 |
rn = "Performance5";
|
3661 |
// break;
|
3662 |
case 6: |
3663 |
// gen_helper_mfc0_performance6(arg);
|
3664 |
rn = "Performance6";
|
3665 |
// break;
|
3666 |
case 7: |
3667 |
// gen_helper_mfc0_performance7(arg);
|
3668 |
rn = "Performance7";
|
3669 |
// break;
|
3670 |
default:
|
3671 |
goto die;
|
3672 |
} |
3673 |
break;
|
3674 |
case 26: |
3675 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
3676 |
rn = "ECC";
|
3677 |
break;
|
3678 |
case 27: |
3679 |
switch (sel) {
|
3680 |
case 0 ... 3: |
3681 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
3682 |
rn = "CacheErr";
|
3683 |
break;
|
3684 |
default:
|
3685 |
goto die;
|
3686 |
} |
3687 |
break;
|
3688 |
case 28: |
3689 |
switch (sel) {
|
3690 |
case 0: |
3691 |
case 2: |
3692 |
case 4: |
3693 |
case 6: |
3694 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
3695 |
rn = "TagLo";
|
3696 |
break;
|
3697 |
case 1: |
3698 |
case 3: |
3699 |
case 5: |
3700 |
case 7: |
3701 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
3702 |
rn = "DataLo";
|
3703 |
break;
|
3704 |
default:
|
3705 |
goto die;
|
3706 |
} |
3707 |
break;
|
3708 |
case 29: |
3709 |
switch (sel) {
|
3710 |
case 0: |
3711 |
case 2: |
3712 |
case 4: |
3713 |
case 6: |
3714 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
3715 |
rn = "TagHi";
|
3716 |
break;
|
3717 |
case 1: |
3718 |
case 3: |
3719 |
case 5: |
3720 |
case 7: |
3721 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
3722 |
rn = "DataHi";
|
3723 |
break;
|
3724 |
default:
|
3725 |
goto die;
|
3726 |
} |
3727 |
break;
|
3728 |
case 30: |
3729 |
switch (sel) {
|
3730 |
case 0: |
3731 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
3732 |
tcg_gen_ext32s_tl(arg, arg); |
3733 |
rn = "ErrorEPC";
|
3734 |
break;
|
3735 |
default:
|
3736 |
goto die;
|
3737 |
} |
3738 |
break;
|
3739 |
case 31: |
3740 |
switch (sel) {
|
3741 |
case 0: |
3742 |
/* EJTAG support */
|
3743 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
3744 |
rn = "DESAVE";
|
3745 |
break;
|
3746 |
default:
|
3747 |
goto die;
|
3748 |
} |
3749 |
break;
|
3750 |
default:
|
3751 |
goto die;
|
3752 |
} |
3753 |
(void)rn; /* avoid a compiler warning */ |
3754 |
LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
3755 |
return;
|
3756 |
|
3757 |
die:
|
3758 |
LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
3759 |
generate_exception(ctx, EXCP_RI); |
3760 |
} |
3761 |
|
3762 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
3763 |
{ |
3764 |
const char *rn = "invalid"; |
3765 |
|
3766 |
if (sel != 0) |
3767 |
check_insn(env, ctx, ISA_MIPS32); |
3768 |
|
3769 |
if (use_icount)
|
3770 |
gen_io_start(); |
3771 |
|
3772 |
switch (reg) {
|
3773 |
case 0: |
3774 |
switch (sel) {
|
3775 |
case 0: |
3776 |
gen_helper_mtc0_index(arg); |
3777 |
rn = "Index";
|
3778 |
break;
|
3779 |
case 1: |
3780 |
check_insn(env, ctx, ASE_MT); |
3781 |
gen_helper_mtc0_mvpcontrol(arg); |
3782 |
rn = "MVPControl";
|
3783 |
break;
|
3784 |
case 2: |
3785 |
check_insn(env, ctx, ASE_MT); |
3786 |
/* ignored */
|
3787 |
rn = "MVPConf0";
|
3788 |
break;
|
3789 |
case 3: |
3790 |
check_insn(env, ctx, ASE_MT); |
3791 |
/* ignored */
|
3792 |
rn = "MVPConf1";
|
3793 |
break;
|
3794 |
default:
|
3795 |
goto die;
|
3796 |
} |
3797 |
break;
|
3798 |
case 1: |
3799 |
switch (sel) {
|
3800 |
case 0: |
3801 |
/* ignored */
|
3802 |
rn = "Random";
|
3803 |
break;
|
3804 |
case 1: |
3805 |
check_insn(env, ctx, ASE_MT); |
3806 |
gen_helper_mtc0_vpecontrol(arg); |
3807 |
rn = "VPEControl";
|
3808 |
break;
|
3809 |
case 2: |
3810 |
check_insn(env, ctx, ASE_MT); |
3811 |
gen_helper_mtc0_vpeconf0(arg); |
3812 |
rn = "VPEConf0";
|
3813 |
break;
|
3814 |
case 3: |
3815 |
check_insn(env, ctx, ASE_MT); |
3816 |
gen_helper_mtc0_vpeconf1(arg); |
3817 |
rn = "VPEConf1";
|
3818 |
break;
|
3819 |
case 4: |
3820 |
check_insn(env, ctx, ASE_MT); |
3821 |
gen_helper_mtc0_yqmask(arg); |
3822 |
rn = "YQMask";
|
3823 |
break;
|
3824 |
case 5: |
3825 |
check_insn(env, ctx, ASE_MT); |
3826 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule)); |
3827 |
rn = "VPESchedule";
|
3828 |
break;
|
3829 |
case 6: |
3830 |
check_insn(env, ctx, ASE_MT); |
3831 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
3832 |
rn = "VPEScheFBack";
|
3833 |
break;
|
3834 |
case 7: |
3835 |
check_insn(env, ctx, ASE_MT); |
3836 |
gen_helper_mtc0_vpeopt(arg); |
3837 |
rn = "VPEOpt";
|
3838 |
break;
|
3839 |
default:
|
3840 |
goto die;
|
3841 |
} |
3842 |
break;
|
3843 |
case 2: |
3844 |
switch (sel) {
|
3845 |
case 0: |
3846 |
gen_helper_mtc0_entrylo0(arg); |
3847 |
rn = "EntryLo0";
|
3848 |
break;
|
3849 |
case 1: |
3850 |
check_insn(env, ctx, ASE_MT); |
3851 |
gen_helper_mtc0_tcstatus(arg); |
3852 |
rn = "TCStatus";
|
3853 |
break;
|
3854 |
case 2: |
3855 |
check_insn(env, ctx, ASE_MT); |
3856 |
gen_helper_mtc0_tcbind(arg); |
3857 |
rn = "TCBind";
|
3858 |
break;
|
3859 |
case 3: |
3860 |
check_insn(env, ctx, ASE_MT); |
3861 |
gen_helper_mtc0_tcrestart(arg); |
3862 |
rn = "TCRestart";
|
3863 |
break;
|
3864 |
case 4: |
3865 |
check_insn(env, ctx, ASE_MT); |
3866 |
gen_helper_mtc0_tchalt(arg); |
3867 |
rn = "TCHalt";
|
3868 |
break;
|
3869 |
case 5: |
3870 |
check_insn(env, ctx, ASE_MT); |
3871 |
gen_helper_mtc0_tccontext(arg); |
3872 |
rn = "TCContext";
|
3873 |
break;
|
3874 |
case 6: |
3875 |
check_insn(env, ctx, ASE_MT); |
3876 |
gen_helper_mtc0_tcschedule(arg); |
3877 |
rn = "TCSchedule";
|
3878 |
break;
|
3879 |
case 7: |
3880 |
check_insn(env, ctx, ASE_MT); |
3881 |
gen_helper_mtc0_tcschefback(arg); |
3882 |
rn = "TCScheFBack";
|
3883 |
break;
|
3884 |
default:
|
3885 |
goto die;
|
3886 |
} |
3887 |
break;
|
3888 |
case 3: |
3889 |
switch (sel) {
|
3890 |
case 0: |
3891 |
gen_helper_mtc0_entrylo1(arg); |
3892 |
rn = "EntryLo1";
|
3893 |
break;
|
3894 |
default:
|
3895 |
goto die;
|
3896 |
} |
3897 |
break;
|
3898 |
case 4: |
3899 |
switch (sel) {
|
3900 |
case 0: |
3901 |
gen_helper_mtc0_context(arg); |
3902 |
rn = "Context";
|
3903 |
break;
|
3904 |
case 1: |
3905 |
// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
|
3906 |
rn = "ContextConfig";
|
3907 |
// break;
|
3908 |
default:
|
3909 |
goto die;
|
3910 |
} |
3911 |
break;
|
3912 |
case 5: |
3913 |
switch (sel) {
|
3914 |
case 0: |
3915 |
gen_helper_mtc0_pagemask(arg); |
3916 |
rn = "PageMask";
|
3917 |
break;
|
3918 |
case 1: |
3919 |
check_insn(env, ctx, ISA_MIPS32R2); |
3920 |
gen_helper_mtc0_pagegrain(arg); |
3921 |
rn = "PageGrain";
|
3922 |
break;
|
3923 |
default:
|
3924 |
goto die;
|
3925 |
} |
3926 |
break;
|
3927 |
case 6: |
3928 |
switch (sel) {
|
3929 |
case 0: |
3930 |
gen_helper_mtc0_wired(arg); |
3931 |
rn = "Wired";
|
3932 |
break;
|
3933 |
case 1: |
3934 |
check_insn(env, ctx, ISA_MIPS32R2); |
3935 |
gen_helper_mtc0_srsconf0(arg); |
3936 |
rn = "SRSConf0";
|
3937 |
break;
|
3938 |
case 2: |
3939 |
check_insn(env, ctx, ISA_MIPS32R2); |
3940 |
gen_helper_mtc0_srsconf1(arg); |
3941 |
rn = "SRSConf1";
|
3942 |
break;
|
3943 |
case 3: |
3944 |
check_insn(env, ctx, ISA_MIPS32R2); |
3945 |
gen_helper_mtc0_srsconf2(arg); |
3946 |
rn = "SRSConf2";
|
3947 |
break;
|
3948 |
case 4: |
3949 |
check_insn(env, ctx, ISA_MIPS32R2); |
3950 |
gen_helper_mtc0_srsconf3(arg); |
3951 |
rn = "SRSConf3";
|
3952 |
break;
|
3953 |
case 5: |
3954 |
check_insn(env, ctx, ISA_MIPS32R2); |
3955 |
gen_helper_mtc0_srsconf4(arg); |
3956 |
rn = "SRSConf4";
|
3957 |
break;
|
3958 |
default:
|
3959 |
goto die;
|
3960 |
} |
3961 |
break;
|
3962 |
case 7: |
3963 |
switch (sel) {
|
3964 |
case 0: |
3965 |
check_insn(env, ctx, ISA_MIPS32R2); |
3966 |
gen_helper_mtc0_hwrena(arg); |
3967 |
rn = "HWREna";
|
3968 |
break;
|
3969 |
default:
|
3970 |
goto die;
|
3971 |
} |
3972 |
break;
|
3973 |
case 8: |
3974 |
/* ignored */
|
3975 |
rn = "BadVAddr";
|
3976 |
break;
|
3977 |
case 9: |
3978 |
switch (sel) {
|
3979 |
case 0: |
3980 |
gen_helper_mtc0_count(arg); |
3981 |
rn = "Count";
|
3982 |
break;
|
3983 |
/* 6,7 are implementation dependent */
|
3984 |
default:
|
3985 |
goto die;
|
3986 |
} |
3987 |
break;
|
3988 |
case 10: |
3989 |
switch (sel) {
|
3990 |
case 0: |
3991 |
gen_helper_mtc0_entryhi(arg); |
3992 |
rn = "EntryHi";
|
3993 |
break;
|
3994 |
default:
|
3995 |
goto die;
|
3996 |
} |
3997 |
break;
|
3998 |
case 11: |
3999 |
switch (sel) {
|
4000 |
case 0: |
4001 |
gen_helper_mtc0_compare(arg); |
4002 |
rn = "Compare";
|
4003 |
break;
|
4004 |
/* 6,7 are implementation dependent */
|
4005 |
default:
|
4006 |
goto die;
|
4007 |
} |
4008 |
break;
|
4009 |
case 12: |
4010 |
switch (sel) {
|
4011 |
case 0: |
4012 |
save_cpu_state(ctx, 1);
|
4013 |
gen_helper_mtc0_status(arg); |
4014 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4015 |
gen_save_pc(ctx->pc + 4);
|
4016 |
ctx->bstate = BS_EXCP; |
4017 |
rn = "Status";
|
4018 |
break;
|
4019 |
case 1: |
4020 |
check_insn(env, ctx, ISA_MIPS32R2); |
4021 |
gen_helper_mtc0_intctl(arg); |
4022 |
/* Stop translation as we may have switched the execution mode */
|
4023 |
ctx->bstate = BS_STOP; |
4024 |
rn = "IntCtl";
|
4025 |
break;
|
4026 |
case 2: |
4027 |
check_insn(env, ctx, ISA_MIPS32R2); |
4028 |
gen_helper_mtc0_srsctl(arg); |
4029 |
/* Stop translation as we may have switched the execution mode */
|
4030 |
ctx->bstate = BS_STOP; |
4031 |
rn = "SRSCtl";
|
4032 |
break;
|
4033 |
case 3: |
4034 |
check_insn(env, ctx, ISA_MIPS32R2); |
4035 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
4036 |
/* Stop translation as we may have switched the execution mode */
|
4037 |
ctx->bstate = BS_STOP; |
4038 |
rn = "SRSMap";
|
4039 |
break;
|
4040 |
default:
|
4041 |
goto die;
|
4042 |
} |
4043 |
break;
|
4044 |
case 13: |
4045 |
switch (sel) {
|
4046 |
case 0: |
4047 |
save_cpu_state(ctx, 1);
|
4048 |
gen_helper_mtc0_cause(arg); |
4049 |
rn = "Cause";
|
4050 |
break;
|
4051 |
default:
|
4052 |
goto die;
|
4053 |
} |
4054 |
break;
|
4055 |
case 14: |
4056 |
switch (sel) {
|
4057 |
case 0: |
4058 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC)); |
4059 |
rn = "EPC";
|
4060 |
break;
|
4061 |
default:
|
4062 |
goto die;
|
4063 |
} |
4064 |
break;
|
4065 |
case 15: |
4066 |
switch (sel) {
|
4067 |
case 0: |
4068 |
/* ignored */
|
4069 |
rn = "PRid";
|
4070 |
break;
|
4071 |
case 1: |
4072 |
check_insn(env, ctx, ISA_MIPS32R2); |
4073 |
gen_helper_mtc0_ebase(arg); |
4074 |
rn = "EBase";
|
4075 |
break;
|
4076 |
default:
|
4077 |
goto die;
|
4078 |
} |
4079 |
break;
|
4080 |
case 16: |
4081 |
switch (sel) {
|
4082 |
case 0: |
4083 |
gen_helper_mtc0_config0(arg); |
4084 |
rn = "Config";
|
4085 |
/* Stop translation as we may have switched the execution mode */
|
4086 |
ctx->bstate = BS_STOP; |
4087 |
break;
|
4088 |
case 1: |
4089 |
/* ignored, read only */
|
4090 |
rn = "Config1";
|
4091 |
break;
|
4092 |
case 2: |
4093 |
gen_helper_mtc0_config2(arg); |
4094 |
rn = "Config2";
|
4095 |
/* Stop translation as we may have switched the execution mode */
|
4096 |
ctx->bstate = BS_STOP; |
4097 |
break;
|
4098 |
case 3: |
4099 |
/* ignored, read only */
|
4100 |
rn = "Config3";
|
4101 |
break;
|
4102 |
/* 4,5 are reserved */
|
4103 |
/* 6,7 are implementation dependent */
|
4104 |
case 6: |
4105 |
/* ignored */
|
4106 |
rn = "Config6";
|
4107 |
break;
|
4108 |
case 7: |
4109 |
/* ignored */
|
4110 |
rn = "Config7";
|
4111 |
break;
|
4112 |
default:
|
4113 |
rn = "Invalid config selector";
|
4114 |
goto die;
|
4115 |
} |
4116 |
break;
|
4117 |
case 17: |
4118 |
switch (sel) {
|
4119 |
case 0: |
4120 |
gen_helper_mtc0_lladdr(arg); |
4121 |
rn = "LLAddr";
|
4122 |
break;
|
4123 |
default:
|
4124 |
goto die;
|
4125 |
} |
4126 |
break;
|
4127 |
case 18: |
4128 |
switch (sel) {
|
4129 |
case 0 ... 7: |
4130 |
gen_helper_1i(mtc0_watchlo, arg, sel); |
4131 |
rn = "WatchLo";
|
4132 |
break;
|
4133 |
default:
|
4134 |
goto die;
|
4135 |
} |
4136 |
break;
|
4137 |
case 19: |
4138 |
switch (sel) {
|
4139 |
case 0 ... 7: |
4140 |
gen_helper_1i(mtc0_watchhi, arg, sel); |
4141 |
rn = "WatchHi";
|
4142 |
break;
|
4143 |
default:
|
4144 |
goto die;
|
4145 |
} |
4146 |
break;
|
4147 |
case 20: |
4148 |
switch (sel) {
|
4149 |
case 0: |
4150 |
#if defined(TARGET_MIPS64)
|
4151 |
check_insn(env, ctx, ISA_MIPS3); |
4152 |
gen_helper_mtc0_xcontext(arg); |
4153 |
rn = "XContext";
|
4154 |
break;
|
4155 |
#endif
|
4156 |
default:
|
4157 |
goto die;
|
4158 |
} |
4159 |
break;
|
4160 |
case 21: |
4161 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4162 |
switch (sel) {
|
4163 |
case 0: |
4164 |
gen_helper_mtc0_framemask(arg); |
4165 |
rn = "Framemask";
|
4166 |
break;
|
4167 |
default:
|
4168 |
goto die;
|
4169 |
} |
4170 |
break;
|
4171 |
case 22: |
4172 |
/* ignored */
|
4173 |
rn = "Diagnostic"; /* implementation dependent */ |
4174 |
break;
|
4175 |
case 23: |
4176 |
switch (sel) {
|
4177 |
case 0: |
4178 |
gen_helper_mtc0_debug(arg); /* EJTAG support */
|
4179 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4180 |
gen_save_pc(ctx->pc + 4);
|
4181 |
ctx->bstate = BS_EXCP; |
4182 |
rn = "Debug";
|
4183 |
break;
|
4184 |
case 1: |
4185 |
// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
|
4186 |
rn = "TraceControl";
|
4187 |
/* Stop translation as we may have switched the execution mode */
|
4188 |
ctx->bstate = BS_STOP; |
4189 |
// break;
|
4190 |
case 2: |
4191 |
// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
|
4192 |
rn = "TraceControl2";
|
4193 |
/* Stop translation as we may have switched the execution mode */
|
4194 |
ctx->bstate = BS_STOP; |
4195 |
// break;
|
4196 |
case 3: |
4197 |
/* Stop translation as we may have switched the execution mode */
|
4198 |
ctx->bstate = BS_STOP; |
4199 |
// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
|
4200 |
rn = "UserTraceData";
|
4201 |
/* Stop translation as we may have switched the execution mode */
|
4202 |
ctx->bstate = BS_STOP; |
4203 |
// break;
|
4204 |
case 4: |
4205 |
// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
|
4206 |
/* Stop translation as we may have switched the execution mode */
|
4207 |
ctx->bstate = BS_STOP; |
4208 |
rn = "TraceBPC";
|
4209 |
// break;
|
4210 |
default:
|
4211 |
goto die;
|
4212 |
} |
4213 |
break;
|
4214 |
case 24: |
4215 |
switch (sel) {
|
4216 |
case 0: |
4217 |
/* EJTAG support */
|
4218 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC)); |
4219 |
rn = "DEPC";
|
4220 |
break;
|
4221 |
default:
|
4222 |
goto die;
|
4223 |
} |
4224 |
break;
|
4225 |
case 25: |
4226 |
switch (sel) {
|
4227 |
case 0: |
4228 |
gen_helper_mtc0_performance0(arg); |
4229 |
rn = "Performance0";
|
4230 |
break;
|
4231 |
case 1: |
4232 |
// gen_helper_mtc0_performance1(arg);
|
4233 |
rn = "Performance1";
|
4234 |
// break;
|
4235 |
case 2: |
4236 |
// gen_helper_mtc0_performance2(arg);
|
4237 |
rn = "Performance2";
|
4238 |
// break;
|
4239 |
case 3: |
4240 |
// gen_helper_mtc0_performance3(arg);
|
4241 |
rn = "Performance3";
|
4242 |
// break;
|
4243 |
case 4: |
4244 |
// gen_helper_mtc0_performance4(arg);
|
4245 |
rn = "Performance4";
|
4246 |
// break;
|
4247 |
case 5: |
4248 |
// gen_helper_mtc0_performance5(arg);
|
4249 |
rn = "Performance5";
|
4250 |
// break;
|
4251 |
case 6: |
4252 |
// gen_helper_mtc0_performance6(arg);
|
4253 |
rn = "Performance6";
|
4254 |
// break;
|
4255 |
case 7: |
4256 |
// gen_helper_mtc0_performance7(arg);
|
4257 |
rn = "Performance7";
|
4258 |
// break;
|
4259 |
default:
|
4260 |
goto die;
|
4261 |
} |
4262 |
break;
|
4263 |
case 26: |
4264 |
/* ignored */
|
4265 |
rn = "ECC";
|
4266 |
break;
|
4267 |
case 27: |
4268 |
switch (sel) {
|
4269 |
case 0 ... 3: |
4270 |
/* ignored */
|
4271 |
rn = "CacheErr";
|
4272 |
break;
|
4273 |
default:
|
4274 |
goto die;
|
4275 |
} |
4276 |
break;
|
4277 |
case 28: |
4278 |
switch (sel) {
|
4279 |
case 0: |
4280 |
case 2: |
4281 |
case 4: |
4282 |
case 6: |
4283 |
gen_helper_mtc0_taglo(arg); |
4284 |
rn = "TagLo";
|
4285 |
break;
|
4286 |
case 1: |
4287 |
case 3: |
4288 |
case 5: |
4289 |
case 7: |
4290 |
gen_helper_mtc0_datalo(arg); |
4291 |
rn = "DataLo";
|
4292 |
break;
|
4293 |
default:
|
4294 |
goto die;
|
4295 |
} |
4296 |
break;
|
4297 |
case 29: |
4298 |
switch (sel) {
|
4299 |
case 0: |
4300 |
case 2: |
4301 |
case 4: |
4302 |
case 6: |
4303 |
gen_helper_mtc0_taghi(arg); |
4304 |
rn = "TagHi";
|
4305 |
break;
|
4306 |
case 1: |
4307 |
case 3: |
4308 |
case 5: |
4309 |
case 7: |
4310 |
gen_helper_mtc0_datahi(arg); |
4311 |
rn = "DataHi";
|
4312 |
break;
|
4313 |
default:
|
4314 |
rn = "invalid sel";
|
4315 |
goto die;
|
4316 |
} |
4317 |
break;
|
4318 |
case 30: |
4319 |
switch (sel) {
|
4320 |
case 0: |
4321 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC)); |
4322 |
rn = "ErrorEPC";
|
4323 |
break;
|
4324 |
default:
|
4325 |
goto die;
|
4326 |
} |
4327 |
break;
|
4328 |
case 31: |
4329 |
switch (sel) {
|
4330 |
case 0: |
4331 |
/* EJTAG support */
|
4332 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
4333 |
rn = "DESAVE";
|
4334 |
break;
|
4335 |
default:
|
4336 |
goto die;
|
4337 |
} |
4338 |
/* Stop translation as we may have switched the execution mode */
|
4339 |
ctx->bstate = BS_STOP; |
4340 |
break;
|
4341 |
default:
|
4342 |
goto die;
|
4343 |
} |
4344 |
(void)rn; /* avoid a compiler warning */ |
4345 |
LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4346 |
/* For simplicity assume that all writes can cause interrupts. */
|
4347 |
if (use_icount) {
|
4348 |
gen_io_end(); |
4349 |
ctx->bstate = BS_STOP; |
4350 |
} |
4351 |
return;
|
4352 |
|
4353 |
die:
|
4354 |
LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4355 |
generate_exception(ctx, EXCP_RI); |
4356 |
} |
4357 |
|
4358 |
#if defined(TARGET_MIPS64)
|
4359 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
4360 |
{ |
4361 |
const char *rn = "invalid"; |
4362 |
|
4363 |
if (sel != 0) |
4364 |
check_insn(env, ctx, ISA_MIPS64); |
4365 |
|
4366 |
switch (reg) {
|
4367 |
case 0: |
4368 |
switch (sel) {
|
4369 |
case 0: |
4370 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
4371 |
rn = "Index";
|
4372 |
break;
|
4373 |
case 1: |
4374 |
check_insn(env, ctx, ASE_MT); |
4375 |
gen_helper_mfc0_mvpcontrol(arg); |
4376 |
rn = "MVPControl";
|
4377 |
break;
|
4378 |
case 2: |
4379 |
check_insn(env, ctx, ASE_MT); |
4380 |
gen_helper_mfc0_mvpconf0(arg); |
4381 |
rn = "MVPConf0";
|
4382 |
break;
|
4383 |
case 3: |
4384 |
check_insn(env, ctx, ASE_MT); |
4385 |
gen_helper_mfc0_mvpconf1(arg); |
4386 |
rn = "MVPConf1";
|
4387 |
break;
|
4388 |
default:
|
4389 |
goto die;
|
4390 |
} |
4391 |
break;
|
4392 |
case 1: |
4393 |
switch (sel) {
|
4394 |
case 0: |
4395 |
gen_helper_mfc0_random(arg); |
4396 |
rn = "Random";
|
4397 |
break;
|
4398 |
case 1: |
4399 |
check_insn(env, ctx, ASE_MT); |
4400 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
4401 |
rn = "VPEControl";
|
4402 |
break;
|
4403 |
case 2: |
4404 |
check_insn(env, ctx, ASE_MT); |
4405 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
4406 |
rn = "VPEConf0";
|
4407 |
break;
|
4408 |
case 3: |
4409 |
check_insn(env, ctx, ASE_MT); |
4410 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
4411 |
rn = "VPEConf1";
|
4412 |
break;
|
4413 |
case 4: |
4414 |
check_insn(env, ctx, ASE_MT); |
4415 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask)); |
4416 |
rn = "YQMask";
|
4417 |
break;
|
4418 |
case 5: |
4419 |
check_insn(env, ctx, ASE_MT); |
4420 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
4421 |
rn = "VPESchedule";
|
4422 |
break;
|
4423 |
case 6: |
4424 |
check_insn(env, ctx, ASE_MT); |
4425 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
4426 |
rn = "VPEScheFBack";
|
4427 |
break;
|
4428 |
case 7: |
4429 |
check_insn(env, ctx, ASE_MT); |
4430 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
4431 |
rn = "VPEOpt";
|
4432 |
break;
|
4433 |
default:
|
4434 |
goto die;
|
4435 |
} |
4436 |
break;
|
4437 |
case 2: |
4438 |
switch (sel) {
|
4439 |
case 0: |
4440 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
4441 |
rn = "EntryLo0";
|
4442 |
break;
|
4443 |
case 1: |
4444 |
check_insn(env, ctx, ASE_MT); |
4445 |
gen_helper_mfc0_tcstatus(arg); |
4446 |
rn = "TCStatus";
|
4447 |
break;
|
4448 |
case 2: |
4449 |
check_insn(env, ctx, ASE_MT); |
4450 |
gen_helper_mfc0_tcbind(arg); |
4451 |
rn = "TCBind";
|
4452 |
break;
|
4453 |
case 3: |
4454 |
check_insn(env, ctx, ASE_MT); |
4455 |
gen_helper_dmfc0_tcrestart(arg); |
4456 |
rn = "TCRestart";
|
4457 |
break;
|
4458 |
case 4: |
4459 |
check_insn(env, ctx, ASE_MT); |
4460 |
gen_helper_dmfc0_tchalt(arg); |
4461 |
rn = "TCHalt";
|
4462 |
break;
|
4463 |
case 5: |
4464 |
check_insn(env, ctx, ASE_MT); |
4465 |
gen_helper_dmfc0_tccontext(arg); |
4466 |
rn = "TCContext";
|
4467 |
break;
|
4468 |
case 6: |
4469 |
check_insn(env, ctx, ASE_MT); |
4470 |
gen_helper_dmfc0_tcschedule(arg); |
4471 |
rn = "TCSchedule";
|
4472 |
break;
|
4473 |
case 7: |
4474 |
check_insn(env, ctx, ASE_MT); |
4475 |
gen_helper_dmfc0_tcschefback(arg); |
4476 |
rn = "TCScheFBack";
|
4477 |
break;
|
4478 |
default:
|
4479 |
goto die;
|
4480 |
} |
4481 |
break;
|
4482 |
case 3: |
4483 |
switch (sel) {
|
4484 |
case 0: |
4485 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
4486 |
rn = "EntryLo1";
|
4487 |
break;
|
4488 |
default:
|
4489 |
goto die;
|
4490 |
} |
4491 |
break;
|
4492 |
case 4: |
4493 |
switch (sel) {
|
4494 |
case 0: |
4495 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
4496 |
rn = "Context";
|
4497 |
break;
|
4498 |
case 1: |
4499 |
// gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
|
4500 |
rn = "ContextConfig";
|
4501 |
// break;
|
4502 |
default:
|
4503 |
goto die;
|
4504 |
} |
4505 |
break;
|
4506 |
case 5: |
4507 |
switch (sel) {
|
4508 |
case 0: |
4509 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
4510 |
rn = "PageMask";
|
4511 |
break;
|
4512 |
case 1: |
4513 |
check_insn(env, ctx, ISA_MIPS32R2); |
4514 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
4515 |
rn = "PageGrain";
|
4516 |
break;
|
4517 |
default:
|
4518 |
goto die;
|
4519 |
} |
4520 |
break;
|
4521 |
case 6: |
4522 |
switch (sel) {
|
4523 |
case 0: |
4524 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
4525 |
rn = "Wired";
|
4526 |
break;
|
4527 |
case 1: |
4528 |
check_insn(env, ctx, ISA_MIPS32R2); |
4529 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
4530 |
rn = "SRSConf0";
|
4531 |
break;
|
4532 |
case 2: |
4533 |
check_insn(env, ctx, ISA_MIPS32R2); |
4534 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
4535 |
rn = "SRSConf1";
|
4536 |
break;
|
4537 |
case 3: |
4538 |
check_insn(env, ctx, ISA_MIPS32R2); |
4539 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
4540 |
rn = "SRSConf2";
|
4541 |
break;
|
4542 |
case 4: |
4543 |
check_insn(env, ctx, ISA_MIPS32R2); |
4544 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
4545 |
rn = "SRSConf3";
|
4546 |
break;
|
4547 |
case 5: |
4548 |
check_insn(env, ctx, ISA_MIPS32R2); |
4549 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
4550 |
rn = "SRSConf4";
|
4551 |
break;
|
4552 |
default:
|
4553 |
goto die;
|
4554 |
} |
4555 |
break;
|
4556 |
case 7: |
4557 |
switch (sel) {
|
4558 |
case 0: |
4559 |
check_insn(env, ctx, ISA_MIPS32R2); |
4560 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
4561 |
rn = "HWREna";
|
4562 |
break;
|
4563 |
default:
|
4564 |
goto die;
|
4565 |
} |
4566 |
break;
|
4567 |
case 8: |
4568 |
switch (sel) {
|
4569 |
case 0: |
4570 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
4571 |
rn = "BadVAddr";
|
4572 |
break;
|
4573 |
default:
|
4574 |
goto die;
|
4575 |
} |
4576 |
break;
|
4577 |
case 9: |
4578 |
switch (sel) {
|
4579 |
case 0: |
4580 |
/* Mark as an IO operation because we read the time. */
|
4581 |
if (use_icount)
|
4582 |
gen_io_start(); |
4583 |
gen_helper_mfc0_count(arg); |
4584 |
if (use_icount) {
|
4585 |
gen_io_end(); |
4586 |
} |
4587 |
/* Break the TB to be able to take timer interrupts immediately
|
4588 |
after reading count. */
|
4589 |
ctx->bstate = BS_STOP; |
4590 |
rn = "Count";
|
4591 |
break;
|
4592 |
/* 6,7 are implementation dependent */
|
4593 |
default:
|
4594 |
goto die;
|
4595 |
} |
4596 |
break;
|
4597 |
case 10: |
4598 |
switch (sel) {
|
4599 |
case 0: |
4600 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
4601 |
rn = "EntryHi";
|
4602 |
break;
|
4603 |
default:
|
4604 |
goto die;
|
4605 |
} |
4606 |
break;
|
4607 |
case 11: |
4608 |
switch (sel) {
|
4609 |
case 0: |
4610 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
4611 |
rn = "Compare";
|
4612 |
break;
|
4613 |
/* 6,7 are implementation dependent */
|
4614 |
default:
|
4615 |
goto die;
|
4616 |
} |
4617 |
break;
|
4618 |
case 12: |
4619 |
switch (sel) {
|
4620 |
case 0: |
4621 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
4622 |
rn = "Status";
|
4623 |
break;
|
4624 |
case 1: |
4625 |
check_insn(env, ctx, ISA_MIPS32R2); |
4626 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
4627 |
rn = "IntCtl";
|
4628 |
break;
|
4629 |
case 2: |
4630 |
check_insn(env, ctx, ISA_MIPS32R2); |
4631 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
4632 |
rn = "SRSCtl";
|
4633 |
break;
|
4634 |
case 3: |
4635 |
check_insn(env, ctx, ISA_MIPS32R2); |
4636 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
4637 |
rn = "SRSMap";
|
4638 |
break;
|
4639 |
default:
|
4640 |
goto die;
|
4641 |
} |
4642 |
break;
|
4643 |
case 13: |
4644 |
switch (sel) {
|
4645 |
case 0: |
4646 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
4647 |
rn = "Cause";
|
4648 |
break;
|
4649 |
default:
|
4650 |
goto die;
|
4651 |
} |
4652 |
break;
|
4653 |
case 14: |
4654 |
switch (sel) {
|
4655 |
case 0: |
4656 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
4657 |
rn = "EPC";
|
4658 |
break;
|
4659 |
default:
|
4660 |
goto die;
|
4661 |
} |
4662 |
break;
|
4663 |
case 15: |
4664 |
switch (sel) {
|
4665 |
case 0: |
4666 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
4667 |
rn = "PRid";
|
4668 |
break;
|
4669 |
case 1: |
4670 |
check_insn(env, ctx, ISA_MIPS32R2); |
4671 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
4672 |
rn = "EBase";
|
4673 |
break;
|
4674 |
default:
|
4675 |
goto die;
|
4676 |
} |
4677 |
break;
|
4678 |
case 16: |
4679 |
switch (sel) {
|
4680 |
case 0: |
4681 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
4682 |
rn = "Config";
|
4683 |
break;
|
4684 |
case 1: |
4685 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
4686 |
rn = "Config1";
|
4687 |
break;
|
4688 |
case 2: |
4689 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
4690 |
rn = "Config2";
|
4691 |
break;
|
4692 |
case 3: |
4693 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
4694 |
rn = "Config3";
|
4695 |
break;
|
4696 |
/* 6,7 are implementation dependent */
|
4697 |
case 6: |
4698 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
4699 |
rn = "Config6";
|
4700 |
break;
|
4701 |
case 7: |
4702 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
4703 |
rn = "Config7";
|
4704 |
break;
|
4705 |
default:
|
4706 |
goto die;
|
4707 |
} |
4708 |
break;
|
4709 |
case 17: |
4710 |
switch (sel) {
|
4711 |
case 0: |
4712 |
gen_helper_dmfc0_lladdr(arg); |
4713 |
rn = "LLAddr";
|
4714 |
break;
|
4715 |
default:
|
4716 |
goto die;
|
4717 |
} |
4718 |
break;
|
4719 |
case 18: |
4720 |
switch (sel) {
|
4721 |
case 0 ... 7: |
4722 |
gen_helper_1i(dmfc0_watchlo, arg, sel); |
4723 |
rn = "WatchLo";
|
4724 |
break;
|
4725 |
default:
|
4726 |
goto die;
|
4727 |
} |
4728 |
break;
|
4729 |
case 19: |
4730 |
switch (sel) {
|
4731 |
case 0 ... 7: |
4732 |
gen_helper_1i(mfc0_watchhi, arg, sel); |
4733 |
rn = "WatchHi";
|
4734 |
break;
|
4735 |
default:
|
4736 |
goto die;
|
4737 |
} |
4738 |
break;
|
4739 |
case 20: |
4740 |
switch (sel) {
|
4741 |
case 0: |
4742 |
check_insn(env, ctx, ISA_MIPS3); |
4743 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
4744 |
rn = "XContext";
|
4745 |
break;
|
4746 |
default:
|
4747 |
goto die;
|
4748 |
} |
4749 |
break;
|
4750 |
case 21: |
4751 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4752 |
switch (sel) {
|
4753 |
case 0: |
4754 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
4755 |
rn = "Framemask";
|
4756 |
break;
|
4757 |
default:
|
4758 |
goto die;
|
4759 |
} |
4760 |
break;
|
4761 |
case 22: |
4762 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
4763 |
rn = "'Diagnostic"; /* implementation dependent */ |
4764 |
break;
|
4765 |
case 23: |
4766 |
switch (sel) {
|
4767 |
case 0: |
4768 |
gen_helper_mfc0_debug(arg); /* EJTAG support */
|
4769 |
rn = "Debug";
|
4770 |
break;
|
4771 |
case 1: |
4772 |
// gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */
|
4773 |
rn = "TraceControl";
|
4774 |
// break;
|
4775 |
case 2: |
4776 |
// gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */
|
4777 |
rn = "TraceControl2";
|
4778 |
// break;
|
4779 |
case 3: |
4780 |
// gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */
|
4781 |
rn = "UserTraceData";
|
4782 |
// break;
|
4783 |
case 4: |
4784 |
// gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */
|
4785 |
rn = "TraceBPC";
|
4786 |
// break;
|
4787 |
default:
|
4788 |
goto die;
|
4789 |
} |
4790 |
break;
|
4791 |
case 24: |
4792 |
switch (sel) {
|
4793 |
case 0: |
4794 |
/* EJTAG support */
|
4795 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
4796 |
rn = "DEPC";
|
4797 |
break;
|
4798 |
default:
|
4799 |
goto die;
|
4800 |
} |
4801 |
break;
|
4802 |
case 25: |
4803 |
switch (sel) {
|
4804 |
case 0: |
4805 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
4806 |
rn = "Performance0";
|
4807 |
break;
|
4808 |
case 1: |
4809 |
// gen_helper_dmfc0_performance1(arg);
|
4810 |
rn = "Performance1";
|
4811 |
// break;
|
4812 |
case 2: |
4813 |
// gen_helper_dmfc0_performance2(arg);
|
4814 |
rn = "Performance2";
|
4815 |
// break;
|
4816 |
case 3: |
4817 |
// gen_helper_dmfc0_performance3(arg);
|
4818 |
rn = "Performance3";
|
4819 |
// break;
|
4820 |
case 4: |
4821 |
// gen_helper_dmfc0_performance4(arg);
|
4822 |
rn = "Performance4";
|
4823 |
// break;
|
4824 |
case 5: |
4825 |
// gen_helper_dmfc0_performance5(arg);
|
4826 |
rn = "Performance5";
|
4827 |
// break;
|
4828 |
case 6: |
4829 |
// gen_helper_dmfc0_performance6(arg);
|
4830 |
rn = "Performance6";
|
4831 |
// break;
|
4832 |
case 7: |
4833 |
// gen_helper_dmfc0_performance7(arg);
|
4834 |
rn = "Performance7";
|
4835 |
// break;
|
4836 |
default:
|
4837 |
goto die;
|
4838 |
} |
4839 |
break;
|
4840 |
case 26: |
4841 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
4842 |
rn = "ECC";
|
4843 |
break;
|
4844 |
case 27: |
4845 |
switch (sel) {
|
4846 |
/* ignored */
|
4847 |
case 0 ... 3: |
4848 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
4849 |
rn = "CacheErr";
|
4850 |
break;
|
4851 |
default:
|
4852 |
goto die;
|
4853 |
} |
4854 |
break;
|
4855 |
case 28: |
4856 |
switch (sel) {
|
4857 |
case 0: |
4858 |
case 2: |
4859 |
case 4: |
4860 |
case 6: |
4861 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
4862 |
rn = "TagLo";
|
4863 |
break;
|
4864 |
case 1: |
4865 |
case 3: |
4866 |
case 5: |
4867 |
case 7: |
4868 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
4869 |
rn = "DataLo";
|
4870 |
break;
|
4871 |
default:
|
4872 |
goto die;
|
4873 |
} |
4874 |
break;
|
4875 |
case 29: |
4876 |
switch (sel) {
|
4877 |
case 0: |
4878 |
case 2: |
4879 |
case 4: |
4880 |
case 6: |
4881 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
4882 |
rn = "TagHi";
|
4883 |
break;
|
4884 |
case 1: |
4885 |
case 3: |
4886 |
case 5: |
4887 |
case 7: |
4888 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
4889 |
rn = "DataHi";
|
4890 |
break;
|
4891 |
default:
|
4892 |
goto die;
|
4893 |
} |
4894 |
break;
|
4895 |
case 30: |
4896 |
switch (sel) {
|
4897 |
case 0: |
4898 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
4899 |
rn = "ErrorEPC";
|
4900 |
break;
|
4901 |
default:
|
4902 |
goto die;
|
4903 |
} |
4904 |
break;
|
4905 |
case 31: |
4906 |
switch (sel) {
|
4907 |
case 0: |
4908 |
/* EJTAG support */
|
4909 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
4910 |
rn = "DESAVE";
|
4911 |
break;
|
4912 |
default:
|
4913 |
goto die;
|
4914 |
} |
4915 |
break;
|
4916 |
default:
|
4917 |
goto die;
|
4918 |
} |
4919 |
(void)rn; /* avoid a compiler warning */ |
4920 |
LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4921 |
return;
|
4922 |
|
4923 |
die:
|
4924 |
LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4925 |
generate_exception(ctx, EXCP_RI); |
4926 |
} |
4927 |
|
4928 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
4929 |
{ |
4930 |
const char *rn = "invalid"; |
4931 |
|
4932 |
if (sel != 0) |
4933 |
check_insn(env, ctx, ISA_MIPS64); |
4934 |
|
4935 |
if (use_icount)
|
4936 |
gen_io_start(); |
4937 |
|
4938 |
switch (reg) {
|
4939 |
case 0: |
4940 |
switch (sel) {
|
4941 |
case 0: |
4942 |
gen_helper_mtc0_index(arg); |
4943 |
rn = "Index";
|
4944 |
break;
|
4945 |
case 1: |
4946 |
check_insn(env, ctx, ASE_MT); |
4947 |
gen_helper_mtc0_mvpcontrol(arg); |
4948 |
rn = "MVPControl";
|
4949 |
break;
|
4950 |
case 2: |
4951 |
check_insn(env, ctx, ASE_MT); |
4952 |
/* ignored */
|
4953 |
rn = "MVPConf0";
|
4954 |
break;
|
4955 |
case 3: |
4956 |
check_insn(env, ctx, ASE_MT); |
4957 |
/* ignored */
|
4958 |
rn = "MVPConf1";
|
4959 |
break;
|
4960 |
default:
|
4961 |
goto die;
|
4962 |
} |
4963 |
break;
|
4964 |
case 1: |
4965 |
switch (sel) {
|
4966 |
case 0: |
4967 |
/* ignored */
|
4968 |
rn = "Random";
|
4969 |
break;
|
4970 |
case 1: |
4971 |
check_insn(env, ctx, ASE_MT); |
4972 |
gen_helper_mtc0_vpecontrol(arg); |
4973 |
rn = "VPEControl";
|
4974 |
break;
|
4975 |
case 2: |
4976 |
check_insn(env, ctx, ASE_MT); |
4977 |
gen_helper_mtc0_vpeconf0(arg); |
4978 |
rn = "VPEConf0";
|
4979 |
break;
|
4980 |
case 3: |
4981 |
check_insn(env, ctx, ASE_MT); |
4982 |
gen_helper_mtc0_vpeconf1(arg); |
4983 |
rn = "VPEConf1";
|
4984 |
break;
|
4985 |
case 4: |
4986 |
check_insn(env, ctx, ASE_MT); |
4987 |
gen_helper_mtc0_yqmask(arg); |
4988 |
rn = "YQMask";
|
4989 |
break;
|
4990 |
case 5: |
4991 |
check_insn(env, ctx, ASE_MT); |
4992 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
4993 |
rn = "VPESchedule";
|
4994 |
break;
|
4995 |
case 6: |
4996 |
check_insn(env, ctx, ASE_MT); |
4997 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
4998 |
rn = "VPEScheFBack";
|
4999 |
break;
|
5000 |
case 7: |
5001 |
check_insn(env, ctx, ASE_MT); |
5002 |
gen_helper_mtc0_vpeopt(arg); |
5003 |
rn = "VPEOpt";
|
5004 |
break;
|
5005 |
default:
|
5006 |
goto die;
|
5007 |
} |
5008 |
break;
|
5009 |
case 2: |
5010 |
switch (sel) {
|
5011 |
case 0: |
5012 |
gen_helper_mtc0_entrylo0(arg); |
5013 |
rn = "EntryLo0";
|
5014 |
break;
|
5015 |
case 1: |
5016 |
check_insn(env, ctx, ASE_MT); |
5017 |
gen_helper_mtc0_tcstatus(arg); |
5018 |
rn = "TCStatus";
|
5019 |
break;
|
5020 |
case 2: |
5021 |
check_insn(env, ctx, ASE_MT); |
5022 |
gen_helper_mtc0_tcbind(arg); |
5023 |
rn = "TCBind";
|
5024 |
break;
|
5025 |
case 3: |
5026 |
check_insn(env, ctx, ASE_MT); |
5027 |
gen_helper_mtc0_tcrestart(arg); |
5028 |
rn = "TCRestart";
|
5029 |
break;
|
5030 |
case 4: |
5031 |
check_insn(env, ctx, ASE_MT); |
5032 |
gen_helper_mtc0_tchalt(arg); |
5033 |
rn = "TCHalt";
|
5034 |
break;
|
5035 |
case 5: |
5036 |
check_insn(env, ctx, ASE_MT); |
5037 |
gen_helper_mtc0_tccontext(arg); |
5038 |
rn = "TCContext";
|
5039 |
break;
|
5040 |
case 6: |
5041 |
check_insn(env, ctx, ASE_MT); |
5042 |
gen_helper_mtc0_tcschedule(arg); |
5043 |
rn = "TCSchedule";
|
5044 |
break;
|
5045 |
case 7: |
5046 |
check_insn(env, ctx, ASE_MT); |
5047 |
gen_helper_mtc0_tcschefback(arg); |
5048 |
rn = "TCScheFBack";
|
5049 |
break;
|
5050 |
default:
|
5051 |
goto die;
|
5052 |
} |
5053 |
break;
|
5054 |
case 3: |
5055 |
switch (sel) {
|
5056 |
case 0: |
5057 |
gen_helper_mtc0_entrylo1(arg); |
5058 |
rn = "EntryLo1";
|
5059 |
break;
|
5060 |
default:
|
5061 |
goto die;
|
5062 |
} |
5063 |
break;
|
5064 |
case 4: |
5065 |
switch (sel) {
|
5066 |
case 0: |
5067 |
gen_helper_mtc0_context(arg); |
5068 |
rn = "Context";
|
5069 |
break;
|
5070 |
case 1: |
5071 |
// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
|
5072 |
rn = "ContextConfig";
|
5073 |
// break;
|
5074 |
default:
|
5075 |
goto die;
|
5076 |
} |
5077 |
break;
|
5078 |
case 5: |
5079 |
switch (sel) {
|
5080 |
case 0: |
5081 |
gen_helper_mtc0_pagemask(arg); |
5082 |
rn = "PageMask";
|
5083 |
break;
|
5084 |
case 1: |
5085 |
check_insn(env, ctx, ISA_MIPS32R2); |
5086 |
gen_helper_mtc0_pagegrain(arg); |
5087 |
rn = "PageGrain";
|
5088 |
break;
|
5089 |
default:
|
5090 |
goto die;
|
5091 |
} |
5092 |
break;
|
5093 |
case 6: |
5094 |
switch (sel) {
|
5095 |
case 0: |
5096 |
gen_helper_mtc0_wired(arg); |
5097 |
rn = "Wired";
|
5098 |
break;
|
5099 |
case 1: |
5100 |
check_insn(env, ctx, ISA_MIPS32R2); |
5101 |
gen_helper_mtc0_srsconf0(arg); |
5102 |
rn = "SRSConf0";
|
5103 |
break;
|
5104 |
case 2: |
5105 |
check_insn(env, ctx, ISA_MIPS32R2); |
5106 |
gen_helper_mtc0_srsconf1(arg); |
5107 |
rn = "SRSConf1";
|
5108 |
break;
|
5109 |
case 3: |
5110 |
check_insn(env, ctx, ISA_MIPS32R2); |
5111 |
gen_helper_mtc0_srsconf2(arg); |
5112 |
rn = "SRSConf2";
|
5113 |
break;
|
5114 |
case 4: |
5115 |
check_insn(env, ctx, ISA_MIPS32R2); |
5116 |
gen_helper_mtc0_srsconf3(arg); |
5117 |
rn = "SRSConf3";
|
5118 |
break;
|
5119 |
case 5: |
5120 |
check_insn(env, ctx, ISA_MIPS32R2); |
5121 |
gen_helper_mtc0_srsconf4(arg); |
5122 |
rn = "SRSConf4";
|
5123 |
break;
|
5124 |
default:
|
5125 |
goto die;
|
5126 |
} |
5127 |
break;
|
5128 |
case 7: |
5129 |
switch (sel) {
|
5130 |
case 0: |
5131 |
check_insn(env, ctx, ISA_MIPS32R2); |
5132 |
gen_helper_mtc0_hwrena(arg); |
5133 |
rn = "HWREna";
|
5134 |
break;
|
5135 |
default:
|
5136 |
goto die;
|
5137 |
} |
5138 |
break;
|
5139 |
case 8: |
5140 |
/* ignored */
|
5141 |
rn = "BadVAddr";
|
5142 |
break;
|
5143 |
case 9: |
5144 |
switch (sel) {
|
5145 |
case 0: |
5146 |
gen_helper_mtc0_count(arg); |
5147 |
rn = "Count";
|
5148 |
break;
|
5149 |
/* 6,7 are implementation dependent */
|
5150 |
default:
|
5151 |
goto die;
|
5152 |
} |
5153 |
/* Stop translation as we may have switched the execution mode */
|
5154 |
ctx->bstate = BS_STOP; |
5155 |
break;
|
5156 |
case 10: |
5157 |
switch (sel) {
|
5158 |
case 0: |
5159 |
gen_helper_mtc0_entryhi(arg); |
5160 |
rn = "EntryHi";
|
5161 |
break;
|
5162 |
default:
|
5163 |
goto die;
|
5164 |
} |
5165 |
break;
|
5166 |
case 11: |
5167 |
switch (sel) {
|
5168 |
case 0: |
5169 |
gen_helper_mtc0_compare(arg); |
5170 |
rn = "Compare";
|
5171 |
break;
|
5172 |
/* 6,7 are implementation dependent */
|
5173 |
default:
|
5174 |
goto die;
|
5175 |
} |
5176 |
/* Stop translation as we may have switched the execution mode */
|
5177 |
ctx->bstate = BS_STOP; |
5178 |
break;
|
5179 |
case 12: |
5180 |
switch (sel) {
|
5181 |
case 0: |
5182 |
save_cpu_state(ctx, 1);
|
5183 |
gen_helper_mtc0_status(arg); |
5184 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
5185 |
gen_save_pc(ctx->pc + 4);
|
5186 |
ctx->bstate = BS_EXCP; |
5187 |
rn = "Status";
|
5188 |
break;
|
5189 |
case 1: |
5190 |
check_insn(env, ctx, ISA_MIPS32R2); |
5191 |
gen_helper_mtc0_intctl(arg); |
5192 |
/* Stop translation as we may have switched the execution mode */
|
5193 |
ctx->bstate = BS_STOP; |
5194 |
rn = "IntCtl";
|
5195 |
break;
|
5196 |
case 2: |
5197 |
check_insn(env, ctx, ISA_MIPS32R2); |
5198 |
gen_helper_mtc0_srsctl(arg); |
5199 |
/* Stop translation as we may have switched the execution mode */
|
5200 |
ctx->bstate = BS_STOP; |
5201 |
rn = "SRSCtl";
|
5202 |
break;
|
5203 |
case 3: |
5204 |
check_insn(env, ctx, ISA_MIPS32R2); |
5205 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
5206 |
/* Stop translation as we may have switched the execution mode */
|
5207 |
ctx->bstate = BS_STOP; |
5208 |
rn = "SRSMap";
|
5209 |
break;
|
5210 |
default:
|
5211 |
goto die;
|
5212 |
} |
5213 |
break;
|
5214 |
case 13: |
5215 |
switch (sel) {
|
5216 |
case 0: |
5217 |
save_cpu_state(ctx, 1);
|
5218 |
/* Mark as an IO operation because we may trigger a software
|
5219 |
interrupt. */
|
5220 |
if (use_icount) {
|
5221 |
gen_io_start(); |
5222 |
} |
5223 |
gen_helper_mtc0_cause(arg); |
5224 |
if (use_icount) {
|
5225 |
gen_io_end(); |
5226 |
} |
5227 |
/* Stop translation as we may have triggered an intetrupt */
|
5228 |
ctx->bstate = BS_STOP; |
5229 |
rn = "Cause";
|
5230 |
break;
|
5231 |
default:
|
5232 |
goto die;
|
5233 |
} |
5234 |
break;
|
5235 |
case 14: |
5236 |
switch (sel) {
|
5237 |
case 0: |
5238 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
5239 |
rn = "EPC";
|
5240 |
break;
|
5241 |
default:
|
5242 |
goto die;
|
5243 |
} |
5244 |
break;
|
5245 |
case 15: |
5246 |
switch (sel) {
|
5247 |
case 0: |
5248 |
/* ignored */
|
5249 |
rn = "PRid";
|
5250 |
break;
|
5251 |
case 1: |
5252 |
check_insn(env, ctx, ISA_MIPS32R2); |
5253 |
gen_helper_mtc0_ebase(arg); |
5254 |
rn = "EBase";
|
5255 |
break;
|
5256 |
default:
|
5257 |
goto die;
|
5258 |
} |
5259 |
break;
|
5260 |
case 16: |
5261 |
switch (sel) {
|
5262 |
case 0: |
5263 |
gen_helper_mtc0_config0(arg); |
5264 |
rn = "Config";
|
5265 |
/* Stop translation as we may have switched the execution mode */
|
5266 |
ctx->bstate = BS_STOP; |
5267 |
break;
|
5268 |
case 1: |
5269 |
/* ignored, read only */
|
5270 |
rn = "Config1";
|
5271 |
break;
|
5272 |
case 2: |
5273 |
gen_helper_mtc0_config2(arg); |
5274 |
rn = "Config2";
|
5275 |
/* Stop translation as we may have switched the execution mode */
|
5276 |
ctx->bstate = BS_STOP; |
5277 |
break;
|
5278 |
case 3: |
5279 |
/* ignored */
|
5280 |
rn = "Config3";
|
5281 |
break;
|
5282 |
/* 6,7 are implementation dependent */
|
5283 |
default:
|
5284 |
rn = "Invalid config selector";
|
5285 |
goto die;
|
5286 |
} |
5287 |
break;
|
5288 |
case 17: |
5289 |
switch (sel) {
|
5290 |
case 0: |
5291 |
gen_helper_mtc0_lladdr(arg); |
5292 |
rn = "LLAddr";
|
5293 |
break;
|
5294 |
default:
|
5295 |
goto die;
|
5296 |
} |
5297 |
break;
|
5298 |
case 18: |
5299 |
switch (sel) {
|
5300 |
case 0 ... 7: |
5301 |
gen_helper_1i(mtc0_watchlo, arg, sel); |
5302 |
rn = "WatchLo";
|
5303 |
break;
|
5304 |
default:
|
5305 |
goto die;
|
5306 |
} |
5307 |
break;
|
5308 |
case 19: |
5309 |
switch (sel) {
|
5310 |
case 0 ... 7: |
5311 |
gen_helper_1i(mtc0_watchhi, arg, sel); |
5312 |
rn = "WatchHi";
|
5313 |
break;
|
5314 |
default:
|
5315 |
goto die;
|
5316 |
} |
5317 |
break;
|
5318 |
case 20: |
5319 |
switch (sel) {
|
5320 |
case 0: |
5321 |
check_insn(env, ctx, ISA_MIPS3); |
5322 |
gen_helper_mtc0_xcontext(arg); |
5323 |
rn = "XContext";
|
5324 |
break;
|
5325 |
default:
|
5326 |
goto die;
|
5327 |
} |
5328 |
break;
|
5329 |
case 21: |
5330 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
5331 |
switch (sel) {
|
5332 |
case 0: |
5333 |
gen_helper_mtc0_framemask(arg); |
5334 |
rn = "Framemask";
|
5335 |
break;
|
5336 |
default:
|
5337 |
goto die;
|
5338 |
} |
5339 |
break;
|
5340 |
case 22: |
5341 |
/* ignored */
|
5342 |
rn = "Diagnostic"; /* implementation dependent */ |
5343 |
break;
|
5344 |
case 23: |
5345 |
switch (sel) {
|
5346 |
case 0: |
5347 |
gen_helper_mtc0_debug(arg); /* EJTAG support */
|
5348 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
5349 |
gen_save_pc(ctx->pc + 4);
|
5350 |
ctx->bstate = BS_EXCP; |
5351 |
rn = "Debug";
|
5352 |
break;
|
5353 |
case 1: |
5354 |
// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
|
5355 |
/* Stop translation as we may have switched the execution mode */
|
5356 |
ctx->bstate = BS_STOP; |
5357 |
rn = "TraceControl";
|
5358 |
// break;
|
5359 |
case 2: |
5360 |
// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
|
5361 |
/* Stop translation as we may have switched the execution mode */
|
5362 |
ctx->bstate = BS_STOP; |
5363 |
rn = "TraceControl2";
|
5364 |
// break;
|
5365 |
case 3: |
5366 |
// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
|
5367 |
/* Stop translation as we may have switched the execution mode */
|
5368 |
ctx->bstate = BS_STOP; |
5369 |
rn = "UserTraceData";
|
5370 |
// break;
|
5371 |
case 4: |
5372 |
// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
|
5373 |
/* Stop translation as we may have switched the execution mode */
|
5374 |
ctx->bstate = BS_STOP; |
5375 |
rn = "TraceBPC";
|
5376 |
// break;
|
5377 |
default:
|
5378 |
goto die;
|
5379 |
} |
5380 |
break;
|
5381 |
case 24: |
5382 |
switch (sel) {
|
5383 |
case 0: |
5384 |
/* EJTAG support */
|
5385 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
5386 |
rn = "DEPC";
|
5387 |
break;
|
5388 |
default:
|
5389 |
goto die;
|
5390 |
} |
5391 |
break;
|
5392 |
case 25: |
5393 |
switch (sel) {
|
5394 |
case 0: |
5395 |
gen_helper_mtc0_performance0(arg); |
5396 |
rn = "Performance0";
|
5397 |
break;
|
5398 |
case 1: |
5399 |
// gen_helper_mtc0_performance1(arg);
|
5400 |
rn = "Performance1";
|
5401 |
// break;
|
5402 |
case 2: |
5403 |
// gen_helper_mtc0_performance2(arg);
|
5404 |
rn = "Performance2";
|
5405 |
// break;
|
5406 |
case 3: |
5407 |
// gen_helper_mtc0_performance3(arg);
|
5408 |
rn = "Performance3";
|
5409 |
// break;
|
5410 |
case 4: |
5411 |
// gen_helper_mtc0_performance4(arg);
|
5412 |
rn = "Performance4";
|
5413 |
// break;
|
5414 |
case 5: |
5415 |
// gen_helper_mtc0_performance5(arg);
|
5416 |
rn = "Performance5";
|
5417 |
// break;
|
5418 |
case 6: |
5419 |
// gen_helper_mtc0_performance6(arg);
|
5420 |
rn = "Performance6";
|
5421 |
// break;
|
5422 |
case 7: |
5423 |
// gen_helper_mtc0_performance7(arg);
|
5424 |
rn = "Performance7";
|
5425 |
// break;
|
5426 |
default:
|
5427 |
goto die;
|
5428 |
} |
5429 |
break;
|
5430 |
case 26: |
5431 |
/* ignored */
|
5432 |
rn = "ECC";
|
5433 |
break;
|
5434 |
case 27: |
5435 |
switch (sel) {
|
5436 |
case 0 ... 3: |
5437 |
/* ignored */
|
5438 |
rn = "CacheErr";
|
5439 |
break;
|
5440 |
default:
|
5441 |
goto die;
|
5442 |
} |
5443 |
break;
|
5444 |
case 28: |
5445 |
switch (sel) {
|
5446 |
case 0: |
5447 |
case 2: |
5448 |
case 4: |
5449 |
case 6: |
5450 |
gen_helper_mtc0_taglo(arg); |
5451 |
rn = "TagLo";
|
5452 |
break;
|
5453 |
case 1: |
5454 |
case 3: |
5455 |
case 5: |
5456 |
case 7: |
5457 |
gen_helper_mtc0_datalo(arg); |
5458 |
rn = "DataLo";
|
5459 |
break;
|
5460 |
default:
|
5461 |
goto die;
|
5462 |
} |
5463 |
break;
|
5464 |
case 29: |
5465 |
switch (sel) {
|
5466 |
case 0: |
5467 |
case 2: |
5468 |
case 4: |
5469 |
case 6: |
5470 |
gen_helper_mtc0_taghi(arg); |
5471 |
rn = "TagHi";
|
5472 |
break;
|
5473 |
case 1: |
5474 |
case 3: |
5475 |
case 5: |
5476 |
case 7: |
5477 |
gen_helper_mtc0_datahi(arg); |
5478 |
rn = "DataHi";
|
5479 |
break;
|
5480 |
default:
|
5481 |
rn = "invalid sel";
|
5482 |
goto die;
|
5483 |
} |
5484 |
break;
|
5485 |
case 30: |
5486 |
switch (sel) {
|
5487 |
case 0: |
5488 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
5489 |
rn = "ErrorEPC";
|
5490 |
break;
|
5491 |
default:
|
5492 |
goto die;
|
5493 |
} |
5494 |
break;
|
5495 |
case 31: |
5496 |
switch (sel) {
|
5497 |
case 0: |
5498 |
/* EJTAG support */
|
5499 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
5500 |
rn = "DESAVE";
|
5501 |
break;
|
5502 |
default:
|
5503 |
goto die;
|
5504 |
} |
5505 |
/* Stop translation as we may have switched the execution mode */
|
5506 |
ctx->bstate = BS_STOP; |
5507 |
break;
|
5508 |
default:
|
5509 |
goto die;
|
5510 |
} |
5511 |
(void)rn; /* avoid a compiler warning */ |
5512 |
LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
5513 |
/* For simplicity assume that all writes can cause interrupts. */
|
5514 |
if (use_icount) {
|
5515 |
gen_io_end(); |
5516 |
ctx->bstate = BS_STOP; |
5517 |
} |
5518 |
return;
|
5519 |
|
5520 |
die:
|
5521 |
LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
5522 |
generate_exception(ctx, EXCP_RI); |
5523 |
} |
5524 |
#endif /* TARGET_MIPS64 */ |
5525 |
|
5526 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd, |
5527 |
int u, int sel, int h) |
5528 |
{ |
5529 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
5530 |
TCGv t0 = tcg_temp_local_new(); |
5531 |
|
5532 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
5533 |
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
|
5534 |
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
|
5535 |
tcg_gen_movi_tl(t0, -1);
|
5536 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
5537 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
5538 |
tcg_gen_movi_tl(t0, -1);
|
5539 |
else if (u == 0) { |
5540 |
switch (rt) {
|
5541 |
case 2: |
5542 |
switch (sel) {
|
5543 |
case 1: |
5544 |
gen_helper_mftc0_tcstatus(t0); |
5545 |
break;
|
5546 |
case 2: |
5547 |
gen_helper_mftc0_tcbind(t0); |
5548 |
break;
|
5549 |
case 3: |
5550 |
gen_helper_mftc0_tcrestart(t0); |
5551 |
break;
|
5552 |
case 4: |
5553 |
gen_helper_mftc0_tchalt(t0); |
5554 |
break;
|
5555 |
case 5: |
5556 |
gen_helper_mftc0_tccontext(t0); |
5557 |
break;
|
5558 |
case 6: |
5559 |
gen_helper_mftc0_tcschedule(t0); |
5560 |
break;
|
5561 |
case 7: |
5562 |
gen_helper_mftc0_tcschefback(t0); |
5563 |
break;
|
5564 |
default:
|
5565 |
gen_mfc0(env, ctx, t0, rt, sel); |
5566 |
break;
|
5567 |
} |
5568 |
break;
|
5569 |
case 10: |
5570 |
switch (sel) {
|
5571 |
case 0: |
5572 |
gen_helper_mftc0_entryhi(t0); |
5573 |
break;
|
5574 |
default:
|
5575 |
gen_mfc0(env, ctx, t0, rt, sel); |
5576 |
break;
|
5577 |
} |
5578 |
case 12: |
5579 |
switch (sel) {
|
5580 |
case 0: |
5581 |
gen_helper_mftc0_status(t0); |
5582 |
break;
|
5583 |
default:
|
5584 |
gen_mfc0(env, ctx, t0, rt, sel); |
5585 |
break;
|
5586 |
} |
5587 |
case 23: |
5588 |
switch (sel) {
|
5589 |
case 0: |
5590 |
gen_helper_mftc0_debug(t0); |
5591 |
break;
|
5592 |
default:
|
5593 |
gen_mfc0(env, ctx, t0, rt, sel); |
5594 |
break;
|
5595 |
} |
5596 |
break;
|
5597 |
default:
|
5598 |
gen_mfc0(env, ctx, t0, rt, sel); |
5599 |
} |
5600 |
} else switch (sel) { |
5601 |
/* GPR registers. */
|
5602 |
case 0: |
5603 |
gen_helper_1i(mftgpr, t0, rt); |
5604 |
break;
|
5605 |
/* Auxiliary CPU registers */
|
5606 |
case 1: |
5607 |
switch (rt) {
|
5608 |
case 0: |
5609 |
gen_helper_1i(mftlo, t0, 0);
|
5610 |
break;
|
5611 |
case 1: |
5612 |
gen_helper_1i(mfthi, t0, 0);
|
5613 |
break;
|
5614 |
case 2: |
5615 |
gen_helper_1i(mftacx, t0, 0);
|
5616 |
break;
|
5617 |
case 4: |
5618 |
gen_helper_1i(mftlo, t0, 1);
|
5619 |
break;
|
5620 |
case 5: |
5621 |
gen_helper_1i(mfthi, t0, 1);
|
5622 |
break;
|
5623 |
case 6: |
5624 |
gen_helper_1i(mftacx, t0, 1);
|
5625 |
break;
|
5626 |
case 8: |
5627 |
gen_helper_1i(mftlo, t0, 2);
|
5628 |
break;
|
5629 |
case 9: |
5630 |
gen_helper_1i(mfthi, t0, 2);
|
5631 |
break;
|
5632 |
case 10: |
5633 |
gen_helper_1i(mftacx, t0, 2);
|
5634 |
break;
|
5635 |
case 12: |
5636 |
gen_helper_1i(mftlo, t0, 3);
|
5637 |
break;
|
5638 |
case 13: |
5639 |
gen_helper_1i(mfthi, t0, 3);
|
5640 |
break;
|
5641 |
case 14: |
5642 |
gen_helper_1i(mftacx, t0, 3);
|
5643 |
break;
|
5644 |
case 16: |
5645 |
gen_helper_mftdsp(t0); |
5646 |
break;
|
5647 |
default:
|
5648 |
goto die;
|
5649 |
} |
5650 |
break;
|
5651 |
/* Floating point (COP1). */
|
5652 |
case 2: |
5653 |
/* XXX: For now we support only a single FPU context. */
|
5654 |
if (h == 0) { |
5655 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5656 |
|
5657 |
gen_load_fpr32(fp0, rt); |
5658 |
tcg_gen_ext_i32_tl(t0, fp0); |
5659 |
tcg_temp_free_i32(fp0); |
5660 |
} else {
|
5661 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5662 |
|
5663 |
gen_load_fpr32h(fp0, rt); |
5664 |
tcg_gen_ext_i32_tl(t0, fp0); |
5665 |
tcg_temp_free_i32(fp0); |
5666 |
} |
5667 |
break;
|
5668 |
case 3: |
5669 |
/* XXX: For now we support only a single FPU context. */
|
5670 |
gen_helper_1i(cfc1, t0, rt); |
5671 |
break;
|
5672 |
/* COP2: Not implemented. */
|
5673 |
case 4: |
5674 |
case 5: |
5675 |
/* fall through */
|
5676 |
default:
|
5677 |
goto die;
|
5678 |
} |
5679 |
LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
|
5680 |
gen_store_gpr(t0, rd); |
5681 |
tcg_temp_free(t0); |
5682 |
return;
|
5683 |
|
5684 |
die:
|
5685 |
tcg_temp_free(t0); |
5686 |
LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
|
5687 |
generate_exception(ctx, EXCP_RI); |
5688 |
} |
5689 |
|
5690 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt, |
5691 |
int u, int sel, int h) |
5692 |
{ |
5693 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
5694 |
TCGv t0 = tcg_temp_local_new(); |
5695 |
|
5696 |
gen_load_gpr(t0, rt); |
5697 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
5698 |
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
|
5699 |
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
|
5700 |
/* NOP */ ;
|
5701 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
5702 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
5703 |
/* NOP */ ;
|
5704 |
else if (u == 0) { |
5705 |
switch (rd) {
|
5706 |
case 2: |
5707 |
switch (sel) {
|
5708 |
case 1: |
5709 |
gen_helper_mttc0_tcstatus(t0); |
5710 |
break;
|
5711 |
case 2: |
5712 |
gen_helper_mttc0_tcbind(t0); |
5713 |
break;
|
5714 |
case 3: |
5715 |
gen_helper_mttc0_tcrestart(t0); |
5716 |
break;
|
5717 |
case 4: |
5718 |
gen_helper_mttc0_tchalt(t0); |
5719 |
break;
|
5720 |
case 5: |
5721 |
gen_helper_mttc0_tccontext(t0); |
5722 |
break;
|
5723 |
case 6: |
5724 |
gen_helper_mttc0_tcschedule(t0); |
5725 |
break;
|
5726 |
case 7: |
5727 |
gen_helper_mttc0_tcschefback(t0); |
5728 |
break;
|
5729 |
default:
|
5730 |
gen_mtc0(env, ctx, t0, rd, sel); |
5731 |
break;
|
5732 |
} |
5733 |
break;
|
5734 |
case 10: |
5735 |
switch (sel) {
|
5736 |
case 0: |
5737 |
gen_helper_mttc0_entryhi(t0); |
5738 |
break;
|
5739 |
default:
|
5740 |
gen_mtc0(env, ctx, t0, rd, sel); |
5741 |
break;
|
5742 |
} |
5743 |
case 12: |
5744 |
switch (sel) {
|
5745 |
case 0: |
5746 |
gen_helper_mttc0_status(t0); |
5747 |
break;
|
5748 |
default:
|
5749 |
gen_mtc0(env, ctx, t0, rd, sel); |
5750 |
break;
|
5751 |
} |
5752 |
case 23: |
5753 |
switch (sel) {
|
5754 |
case 0: |
5755 |
gen_helper_mttc0_debug(t0); |
5756 |
break;
|
5757 |
default:
|
5758 |
gen_mtc0(env, ctx, t0, rd, sel); |
5759 |
break;
|
5760 |
} |
5761 |
break;
|
5762 |
default:
|
5763 |
gen_mtc0(env, ctx, t0, rd, sel); |
5764 |
} |
5765 |
} else switch (sel) { |
5766 |
/* GPR registers. */
|
5767 |
case 0: |
5768 |
gen_helper_1i(mttgpr, t0, rd); |
5769 |
break;
|
5770 |
/* Auxiliary CPU registers */
|
5771 |
case 1: |
5772 |
switch (rd) {
|
5773 |
case 0: |
5774 |
gen_helper_1i(mttlo, t0, 0);
|
5775 |
break;
|
5776 |
case 1: |
5777 |
gen_helper_1i(mtthi, t0, 0);
|
5778 |
break;
|
5779 |
case 2: |
5780 |
gen_helper_1i(mttacx, t0, 0);
|
5781 |
break;
|
5782 |
case 4: |
5783 |
gen_helper_1i(mttlo, t0, 1);
|
5784 |
break;
|
5785 |
case 5: |
5786 |
gen_helper_1i(mtthi, t0, 1);
|
5787 |
break;
|
5788 |
case 6: |
5789 |
gen_helper_1i(mttacx, t0, 1);
|
5790 |
break;
|
5791 |
case 8: |
5792 |
gen_helper_1i(mttlo, t0, 2);
|
5793 |
break;
|
5794 |
case 9: |
5795 |
gen_helper_1i(mtthi, t0, 2);
|
5796 |
break;
|
5797 |
case 10: |
5798 |
gen_helper_1i(mttacx, t0, 2);
|
5799 |
break;
|
5800 |
case 12: |
5801 |
gen_helper_1i(mttlo, t0, 3);
|
5802 |
break;
|
5803 |
case 13: |
5804 |
gen_helper_1i(mtthi, t0, 3);
|
5805 |
break;
|
5806 |
case 14: |
5807 |
gen_helper_1i(mttacx, t0, 3);
|
5808 |
break;
|
5809 |
case 16: |
5810 |
gen_helper_mttdsp(t0); |
5811 |
break;
|
5812 |
default:
|
5813 |
goto die;
|
5814 |
} |
5815 |
break;
|
5816 |
/* Floating point (COP1). */
|
5817 |
case 2: |
5818 |
/* XXX: For now we support only a single FPU context. */
|
5819 |
if (h == 0) { |
5820 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5821 |
|
5822 |
tcg_gen_trunc_tl_i32(fp0, t0); |
5823 |
gen_store_fpr32(fp0, rd); |
5824 |
tcg_temp_free_i32(fp0); |
5825 |
} else {
|
5826 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5827 |
|
5828 |
tcg_gen_trunc_tl_i32(fp0, t0); |
5829 |
gen_store_fpr32h(fp0, rd); |
5830 |
tcg_temp_free_i32(fp0); |
5831 |
} |
5832 |
break;
|
5833 |
case 3: |
5834 |
/* XXX: For now we support only a single FPU context. */
|
5835 |
gen_helper_1i(ctc1, t0, rd); |
5836 |
break;
|
5837 |
/* COP2: Not implemented. */
|
5838 |
case 4: |
5839 |
case 5: |
5840 |
/* fall through */
|
5841 |
default:
|
5842 |
goto die;
|
5843 |
} |
5844 |
LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
|
5845 |
tcg_temp_free(t0); |
5846 |
return;
|
5847 |
|
5848 |
die:
|
5849 |
tcg_temp_free(t0); |
5850 |
LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
|
5851 |
generate_exception(ctx, EXCP_RI); |
5852 |
} |
5853 |
|
5854 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
5855 |
{ |
5856 |
const char *opn = "ldst"; |
5857 |
|
5858 |
switch (opc) {
|
5859 |
case OPC_MFC0:
|
5860 |
if (rt == 0) { |
5861 |
/* Treat as NOP. */
|
5862 |
return;
|
5863 |
} |
5864 |
gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
|
5865 |
opn = "mfc0";
|
5866 |
break;
|
5867 |
case OPC_MTC0:
|
5868 |
{ |
5869 |
TCGv t0 = tcg_temp_new(); |
5870 |
|
5871 |
gen_load_gpr(t0, rt); |
5872 |
gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
|
5873 |
tcg_temp_free(t0); |
5874 |
} |
5875 |
opn = "mtc0";
|
5876 |
break;
|
5877 |
#if defined(TARGET_MIPS64)
|
5878 |
case OPC_DMFC0:
|
5879 |
check_insn(env, ctx, ISA_MIPS3); |
5880 |
if (rt == 0) { |
5881 |
/* Treat as NOP. */
|
5882 |
return;
|
5883 |
} |
5884 |
gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
|
5885 |
opn = "dmfc0";
|
5886 |
break;
|
5887 |
case OPC_DMTC0:
|
5888 |
check_insn(env, ctx, ISA_MIPS3); |
5889 |
{ |
5890 |
TCGv t0 = tcg_temp_new(); |
5891 |
|
5892 |
gen_load_gpr(t0, rt); |
5893 |
gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
|
5894 |
tcg_temp_free(t0); |
5895 |
} |
5896 |
opn = "dmtc0";
|
5897 |
break;
|
5898 |
#endif
|
5899 |
case OPC_MFTR:
|
5900 |
check_insn(env, ctx, ASE_MT); |
5901 |
if (rd == 0) { |
5902 |
/* Treat as NOP. */
|
5903 |
return;
|
5904 |
} |
5905 |
gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1, |
5906 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5907 |
opn = "mftr";
|
5908 |
break;
|
5909 |
case OPC_MTTR:
|
5910 |
check_insn(env, ctx, ASE_MT); |
5911 |
gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, |
5912 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5913 |
opn = "mttr";
|
5914 |
break;
|
5915 |
case OPC_TLBWI:
|
5916 |
opn = "tlbwi";
|
5917 |
if (!env->tlb->helper_tlbwi)
|
5918 |
goto die;
|
5919 |
gen_helper_tlbwi(); |
5920 |
break;
|
5921 |
case OPC_TLBWR:
|
5922 |
opn = "tlbwr";
|
5923 |
if (!env->tlb->helper_tlbwr)
|
5924 |
goto die;
|
5925 |
gen_helper_tlbwr(); |
5926 |
break;
|
5927 |
case OPC_TLBP:
|
5928 |
opn = "tlbp";
|
5929 |
if (!env->tlb->helper_tlbp)
|
5930 |
goto die;
|
5931 |
gen_helper_tlbp(); |
5932 |
break;
|
5933 |
case OPC_TLBR:
|
5934 |
opn = "tlbr";
|
5935 |
if (!env->tlb->helper_tlbr)
|
5936 |
goto die;
|
5937 |
gen_helper_tlbr(); |
5938 |
break;
|
5939 |
case OPC_ERET:
|
5940 |
opn = "eret";
|
5941 |
check_insn(env, ctx, ISA_MIPS2); |
5942 |
gen_helper_eret(); |
5943 |
ctx->bstate = BS_EXCP; |
5944 |
break;
|
5945 |
case OPC_DERET:
|
5946 |
opn = "deret";
|
5947 |
check_insn(env, ctx, ISA_MIPS32); |
5948 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
5949 |
MIPS_INVAL(opn); |
5950 |
generate_exception(ctx, EXCP_RI); |
5951 |
} else {
|
5952 |
gen_helper_deret(); |
5953 |
ctx->bstate = BS_EXCP; |
5954 |
} |
5955 |
break;
|
5956 |
case OPC_WAIT:
|
5957 |
opn = "wait";
|
5958 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
5959 |
/* If we get an exception, we want to restart at next instruction */
|
5960 |
ctx->pc += 4;
|
5961 |
save_cpu_state(ctx, 1);
|
5962 |
ctx->pc -= 4;
|
5963 |
gen_helper_wait(); |
5964 |
ctx->bstate = BS_EXCP; |
5965 |
break;
|
5966 |
default:
|
5967 |
die:
|
5968 |
MIPS_INVAL(opn); |
5969 |
generate_exception(ctx, EXCP_RI); |
5970 |
return;
|
5971 |
} |
5972 |
(void)opn; /* avoid a compiler warning */ |
5973 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
5974 |
} |
5975 |
#endif /* !CONFIG_USER_ONLY */ |
5976 |
|
5977 |
/* CP1 Branches (before delay slot) */
|
5978 |
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
5979 |
int32_t cc, int32_t offset) |
5980 |
{ |
5981 |
target_ulong btarget; |
5982 |
const char *opn = "cp1 cond branch"; |
5983 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
5984 |
|
5985 |
if (cc != 0) |
5986 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
5987 |
|
5988 |
btarget = ctx->pc + 4 + offset;
|
5989 |
|
5990 |
switch (op) {
|
5991 |
case OPC_BC1F:
|
5992 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5993 |
tcg_gen_not_i32(t0, t0); |
5994 |
tcg_gen_andi_i32(t0, t0, 1);
|
5995 |
tcg_gen_extu_i32_tl(bcond, t0); |
5996 |
opn = "bc1f";
|
5997 |
goto not_likely;
|
5998 |
case OPC_BC1FL:
|
5999 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
6000 |
tcg_gen_not_i32(t0, t0); |
6001 |
tcg_gen_andi_i32(t0, t0, 1);
|
6002 |
tcg_gen_extu_i32_tl(bcond, t0); |
6003 |
opn = "bc1fl";
|
6004 |
goto likely;
|
6005 |
case OPC_BC1T:
|
6006 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
6007 |
tcg_gen_andi_i32(t0, t0, 1);
|
6008 |
tcg_gen_extu_i32_tl(bcond, t0); |
6009 |
opn = "bc1t";
|
6010 |
goto not_likely;
|
6011 |
case OPC_BC1TL:
|
6012 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
6013 |
tcg_gen_andi_i32(t0, t0, 1);
|
6014 |
tcg_gen_extu_i32_tl(bcond, t0); |
6015 |
opn = "bc1tl";
|
6016 |
likely:
|
6017 |
ctx->hflags |= MIPS_HFLAG_BL; |
6018 |
break;
|
6019 |
case OPC_BC1FANY2:
|
6020 |
{ |
6021 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
6022 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
6023 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
6024 |
tcg_gen_nor_i32(t0, t0, t1); |
6025 |
tcg_temp_free_i32(t1); |
6026 |
tcg_gen_andi_i32(t0, t0, 1);
|
6027 |
tcg_gen_extu_i32_tl(bcond, t0); |
6028 |
} |
6029 |
opn = "bc1any2f";
|
6030 |
goto not_likely;
|
6031 |
case OPC_BC1TANY2:
|
6032 |
{ |
6033 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
6034 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
6035 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
6036 |
tcg_gen_or_i32(t0, t0, t1); |
6037 |
tcg_temp_free_i32(t1); |
6038 |
tcg_gen_andi_i32(t0, t0, 1);
|
6039 |
tcg_gen_extu_i32_tl(bcond, t0); |
6040 |
} |
6041 |
opn = "bc1any2t";
|
6042 |
goto not_likely;
|
6043 |
case OPC_BC1FANY4:
|
6044 |
{ |
6045 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
6046 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
6047 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
6048 |
tcg_gen_or_i32(t0, t0, t1); |
6049 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
|
6050 |
tcg_gen_or_i32(t0, t0, t1); |
6051 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
|
6052 |
tcg_gen_nor_i32(t0, t0, t1); |
6053 |
tcg_temp_free_i32(t1); |
6054 |
tcg_gen_andi_i32(t0, t0, 1);
|
6055 |
tcg_gen_extu_i32_tl(bcond, t0); |
6056 |
} |
6057 |
opn = "bc1any4f";
|
6058 |
goto not_likely;
|
6059 |
case OPC_BC1TANY4:
|
6060 |
{ |
6061 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
6062 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
6063 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
6064 |
tcg_gen_or_i32(t0, t0, t1); |
6065 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
|
6066 |
tcg_gen_or_i32(t0, t0, t1); |
6067 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
|
6068 |
tcg_gen_or_i32(t0, t0, t1); |
6069 |
tcg_temp_free_i32(t1); |
6070 |
tcg_gen_andi_i32(t0, t0, 1);
|
6071 |
tcg_gen_extu_i32_tl(bcond, t0); |
6072 |
} |
6073 |
opn = "bc1any4t";
|
6074 |
not_likely:
|
6075 |
ctx->hflags |= MIPS_HFLAG_BC; |
6076 |
break;
|
6077 |
default:
|
6078 |
MIPS_INVAL(opn); |
6079 |
generate_exception (ctx, EXCP_RI); |
6080 |
goto out;
|
6081 |
} |
6082 |
(void)opn; /* avoid a compiler warning */ |
6083 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
6084 |
ctx->hflags, btarget); |
6085 |
ctx->btarget = btarget; |
6086 |
|
6087 |
out:
|
6088 |
tcg_temp_free_i32(t0); |
6089 |
} |
6090 |
|
6091 |
/* Coprocessor 1 (FPU) */
|
6092 |
|
6093 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
6094 |
|
6095 |
enum fopcode {
|
6096 |
OPC_ADD_S = FOP(0, FMT_S),
|
6097 |
OPC_SUB_S = FOP(1, FMT_S),
|
6098 |
OPC_MUL_S = FOP(2, FMT_S),
|
6099 |
OPC_DIV_S = FOP(3, FMT_S),
|
6100 |
OPC_SQRT_S = FOP(4, FMT_S),
|
6101 |
OPC_ABS_S = FOP(5, FMT_S),
|
6102 |
OPC_MOV_S = FOP(6, FMT_S),
|
6103 |
OPC_NEG_S = FOP(7, FMT_S),
|
6104 |
OPC_ROUND_L_S = FOP(8, FMT_S),
|
6105 |
OPC_TRUNC_L_S = FOP(9, FMT_S),
|
6106 |
OPC_CEIL_L_S = FOP(10, FMT_S),
|
6107 |
OPC_FLOOR_L_S = FOP(11, FMT_S),
|
6108 |
OPC_ROUND_W_S = FOP(12, FMT_S),
|
6109 |
OPC_TRUNC_W_S = FOP(13, FMT_S),
|
6110 |
OPC_CEIL_W_S = FOP(14, FMT_S),
|
6111 |
OPC_FLOOR_W_S = FOP(15, FMT_S),
|
6112 |
OPC_MOVCF_S = FOP(17, FMT_S),
|
6113 |
OPC_MOVZ_S = FOP(18, FMT_S),
|
6114 |
OPC_MOVN_S = FOP(19, FMT_S),
|
6115 |
OPC_RECIP_S = FOP(21, FMT_S),
|
6116 |
OPC_RSQRT_S = FOP(22, FMT_S),
|
6117 |
OPC_RECIP2_S = FOP(28, FMT_S),
|
6118 |
OPC_RECIP1_S = FOP(29, FMT_S),
|
6119 |
OPC_RSQRT1_S = FOP(30, FMT_S),
|
6120 |
OPC_RSQRT2_S = FOP(31, FMT_S),
|
6121 |
OPC_CVT_D_S = FOP(33, FMT_S),
|
6122 |
OPC_CVT_W_S = FOP(36, FMT_S),
|
6123 |
OPC_CVT_L_S = FOP(37, FMT_S),
|
6124 |
OPC_CVT_PS_S = FOP(38, FMT_S),
|
6125 |
OPC_CMP_F_S = FOP (48, FMT_S),
|
6126 |
OPC_CMP_UN_S = FOP (49, FMT_S),
|
6127 |
OPC_CMP_EQ_S = FOP (50, FMT_S),
|
6128 |
OPC_CMP_UEQ_S = FOP (51, FMT_S),
|
6129 |
OPC_CMP_OLT_S = FOP (52, FMT_S),
|
6130 |
OPC_CMP_ULT_S = FOP (53, FMT_S),
|
6131 |
OPC_CMP_OLE_S = FOP (54, FMT_S),
|
6132 |
OPC_CMP_ULE_S = FOP (55, FMT_S),
|
6133 |
OPC_CMP_SF_S = FOP (56, FMT_S),
|
6134 |
OPC_CMP_NGLE_S = FOP (57, FMT_S),
|
6135 |
OPC_CMP_SEQ_S = FOP (58, FMT_S),
|
6136 |
OPC_CMP_NGL_S = FOP (59, FMT_S),
|
6137 |
OPC_CMP_LT_S = FOP (60, FMT_S),
|
6138 |
OPC_CMP_NGE_S = FOP (61, FMT_S),
|
6139 |
OPC_CMP_LE_S = FOP (62, FMT_S),
|
6140 |
OPC_CMP_NGT_S = FOP (63, FMT_S),
|
6141 |
|
6142 |
OPC_ADD_D = FOP(0, FMT_D),
|
6143 |
OPC_SUB_D = FOP(1, FMT_D),
|
6144 |
OPC_MUL_D = FOP(2, FMT_D),
|
6145 |
OPC_DIV_D = FOP(3, FMT_D),
|
6146 |
OPC_SQRT_D = FOP(4, FMT_D),
|
6147 |
OPC_ABS_D = FOP(5, FMT_D),
|
6148 |
OPC_MOV_D = FOP(6, FMT_D),
|
6149 |
OPC_NEG_D = FOP(7, FMT_D),
|
6150 |
OPC_ROUND_L_D = FOP(8, FMT_D),
|
6151 |
OPC_TRUNC_L_D = FOP(9, FMT_D),
|
6152 |
OPC_CEIL_L_D = FOP(10, FMT_D),
|
6153 |
OPC_FLOOR_L_D = FOP(11, FMT_D),
|
6154 |
OPC_ROUND_W_D = FOP(12, FMT_D),
|
6155 |
OPC_TRUNC_W_D = FOP(13, FMT_D),
|
6156 |
OPC_CEIL_W_D = FOP(14, FMT_D),
|
6157 |
OPC_FLOOR_W_D = FOP(15, FMT_D),
|
6158 |
OPC_MOVCF_D = FOP(17, FMT_D),
|
6159 |
OPC_MOVZ_D = FOP(18, FMT_D),
|
6160 |
OPC_MOVN_D = FOP(19, FMT_D),
|
6161 |
OPC_RECIP_D = FOP(21, FMT_D),
|
6162 |
OPC_RSQRT_D = FOP(22, FMT_D),
|
6163 |
OPC_RECIP2_D = FOP(28, FMT_D),
|
6164 |
OPC_RECIP1_D = FOP(29, FMT_D),
|
6165 |
OPC_RSQRT1_D = FOP(30, FMT_D),
|
6166 |
OPC_RSQRT2_D = FOP(31, FMT_D),
|
6167 |
OPC_CVT_S_D = FOP(32, FMT_D),
|
6168 |
OPC_CVT_W_D = FOP(36, FMT_D),
|
6169 |
OPC_CVT_L_D = FOP(37, FMT_D),
|
6170 |
OPC_CMP_F_D = FOP (48, FMT_D),
|
6171 |
OPC_CMP_UN_D = FOP (49, FMT_D),
|
6172 |
OPC_CMP_EQ_D = FOP (50, FMT_D),
|
6173 |
OPC_CMP_UEQ_D = FOP (51, FMT_D),
|
6174 |
OPC_CMP_OLT_D = FOP (52, FMT_D),
|
6175 |
OPC_CMP_ULT_D = FOP (53, FMT_D),
|
6176 |
OPC_CMP_OLE_D = FOP (54, FMT_D),
|
6177 |
OPC_CMP_ULE_D = FOP (55, FMT_D),
|
6178 |
OPC_CMP_SF_D = FOP (56, FMT_D),
|
6179 |
OPC_CMP_NGLE_D = FOP (57, FMT_D),
|
6180 |
OPC_CMP_SEQ_D = FOP (58, FMT_D),
|
6181 |
OPC_CMP_NGL_D = FOP (59, FMT_D),
|
6182 |
OPC_CMP_LT_D = FOP (60, FMT_D),
|
6183 |
OPC_CMP_NGE_D = FOP (61, FMT_D),
|
6184 |
OPC_CMP_LE_D = FOP (62, FMT_D),
|
6185 |
OPC_CMP_NGT_D = FOP (63, FMT_D),
|
6186 |
|
6187 |
OPC_CVT_S_W = FOP(32, FMT_W),
|
6188 |
OPC_CVT_D_W = FOP(33, FMT_W),
|
6189 |
OPC_CVT_S_L = FOP(32, FMT_L),
|
6190 |
OPC_CVT_D_L = FOP(33, FMT_L),
|
6191 |
OPC_CVT_PS_PW = FOP(38, FMT_W),
|
6192 |
|
6193 |
OPC_ADD_PS = FOP(0, FMT_PS),
|
6194 |
OPC_SUB_PS = FOP(1, FMT_PS),
|
6195 |
OPC_MUL_PS = FOP(2, FMT_PS),
|
6196 |
OPC_DIV_PS = FOP(3, FMT_PS),
|
6197 |
OPC_ABS_PS = FOP(5, FMT_PS),
|
6198 |
OPC_MOV_PS = FOP(6, FMT_PS),
|
6199 |
OPC_NEG_PS = FOP(7, FMT_PS),
|
6200 |
OPC_MOVCF_PS = FOP(17, FMT_PS),
|
6201 |
OPC_MOVZ_PS = FOP(18, FMT_PS),
|
6202 |
OPC_MOVN_PS = FOP(19, FMT_PS),
|
6203 |
OPC_ADDR_PS = FOP(24, FMT_PS),
|
6204 |
OPC_MULR_PS = FOP(26, FMT_PS),
|
6205 |
OPC_RECIP2_PS = FOP(28, FMT_PS),
|
6206 |
OPC_RECIP1_PS = FOP(29, FMT_PS),
|
6207 |
OPC_RSQRT1_PS = FOP(30, FMT_PS),
|
6208 |
OPC_RSQRT2_PS = FOP(31, FMT_PS),
|
6209 |
|
6210 |
OPC_CVT_S_PU = FOP(32, FMT_PS),
|
6211 |
OPC_CVT_PW_PS = FOP(36, FMT_PS),
|
6212 |
OPC_CVT_S_PL = FOP(40, FMT_PS),
|
6213 |
OPC_PLL_PS = FOP(44, FMT_PS),
|
6214 |
OPC_PLU_PS = FOP(45, FMT_PS),
|
6215 |
OPC_PUL_PS = FOP(46, FMT_PS),
|
6216 |
OPC_PUU_PS = FOP(47, FMT_PS),
|
6217 |
OPC_CMP_F_PS = FOP (48, FMT_PS),
|
6218 |
OPC_CMP_UN_PS = FOP (49, FMT_PS),
|
6219 |
OPC_CMP_EQ_PS = FOP (50, FMT_PS),
|
6220 |
OPC_CMP_UEQ_PS = FOP (51, FMT_PS),
|
6221 |
OPC_CMP_OLT_PS = FOP (52, FMT_PS),
|
6222 |
OPC_CMP_ULT_PS = FOP (53, FMT_PS),
|
6223 |
OPC_CMP_OLE_PS = FOP (54, FMT_PS),
|
6224 |
OPC_CMP_ULE_PS = FOP (55, FMT_PS),
|
6225 |
OPC_CMP_SF_PS = FOP (56, FMT_PS),
|
6226 |
OPC_CMP_NGLE_PS = FOP (57, FMT_PS),
|
6227 |
OPC_CMP_SEQ_PS = FOP (58, FMT_PS),
|
6228 |
OPC_CMP_NGL_PS = FOP (59, FMT_PS),
|
6229 |
OPC_CMP_LT_PS = FOP (60, FMT_PS),
|
6230 |
OPC_CMP_NGE_PS = FOP (61, FMT_PS),
|
6231 |
OPC_CMP_LE_PS = FOP (62, FMT_PS),
|
6232 |
OPC_CMP_NGT_PS = FOP (63, FMT_PS),
|
6233 |
}; |
6234 |
|
6235 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
6236 |
{ |
6237 |
const char *opn = "cp1 move"; |
6238 |
TCGv t0 = tcg_temp_new(); |
6239 |
|
6240 |
switch (opc) {
|
6241 |
case OPC_MFC1:
|
6242 |
{ |
6243 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6244 |
|
6245 |
gen_load_fpr32(fp0, fs); |
6246 |
tcg_gen_ext_i32_tl(t0, fp0); |
6247 |
tcg_temp_free_i32(fp0); |
6248 |
} |
6249 |
gen_store_gpr(t0, rt); |
6250 |
opn = "mfc1";
|
6251 |
break;
|
6252 |
case OPC_MTC1:
|
6253 |
gen_load_gpr(t0, rt); |
6254 |
{ |
6255 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6256 |
|
6257 |
tcg_gen_trunc_tl_i32(fp0, t0); |
6258 |
gen_store_fpr32(fp0, fs); |
6259 |
tcg_temp_free_i32(fp0); |
6260 |
} |
6261 |
opn = "mtc1";
|
6262 |
break;
|
6263 |
case OPC_CFC1:
|
6264 |
gen_helper_1i(cfc1, t0, fs); |
6265 |
gen_store_gpr(t0, rt); |
6266 |
opn = "cfc1";
|
6267 |
break;
|
6268 |
case OPC_CTC1:
|
6269 |
gen_load_gpr(t0, rt); |
6270 |
gen_helper_1i(ctc1, t0, fs); |
6271 |
opn = "ctc1";
|
6272 |
break;
|
6273 |
#if defined(TARGET_MIPS64)
|
6274 |
case OPC_DMFC1:
|
6275 |
gen_load_fpr64(ctx, t0, fs); |
6276 |
gen_store_gpr(t0, rt); |
6277 |
opn = "dmfc1";
|
6278 |
break;
|
6279 |
case OPC_DMTC1:
|
6280 |
gen_load_gpr(t0, rt); |
6281 |
gen_store_fpr64(ctx, t0, fs); |
6282 |
opn = "dmtc1";
|
6283 |
break;
|
6284 |
#endif
|
6285 |
case OPC_MFHC1:
|
6286 |
{ |
6287 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6288 |
|
6289 |
gen_load_fpr32h(fp0, fs); |
6290 |
tcg_gen_ext_i32_tl(t0, fp0); |
6291 |
tcg_temp_free_i32(fp0); |
6292 |
} |
6293 |
gen_store_gpr(t0, rt); |
6294 |
opn = "mfhc1";
|
6295 |
break;
|
6296 |
case OPC_MTHC1:
|
6297 |
gen_load_gpr(t0, rt); |
6298 |
{ |
6299 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6300 |
|
6301 |
tcg_gen_trunc_tl_i32(fp0, t0); |
6302 |
gen_store_fpr32h(fp0, fs); |
6303 |
tcg_temp_free_i32(fp0); |
6304 |
} |
6305 |
opn = "mthc1";
|
6306 |
break;
|
6307 |
default:
|
6308 |
MIPS_INVAL(opn); |
6309 |
generate_exception (ctx, EXCP_RI); |
6310 |
goto out;
|
6311 |
} |
6312 |
(void)opn; /* avoid a compiler warning */ |
6313 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
6314 |
|
6315 |
out:
|
6316 |
tcg_temp_free(t0); |
6317 |
} |
6318 |
|
6319 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
6320 |
{ |
6321 |
int l1;
|
6322 |
TCGCond cond; |
6323 |
TCGv_i32 t0; |
6324 |
|
6325 |
if (rd == 0) { |
6326 |
/* Treat as NOP. */
|
6327 |
return;
|
6328 |
} |
6329 |
|
6330 |
if (tf)
|
6331 |
cond = TCG_COND_EQ; |
6332 |
else
|
6333 |
cond = TCG_COND_NE; |
6334 |
|
6335 |
l1 = gen_new_label(); |
6336 |
t0 = tcg_temp_new_i32(); |
6337 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
6338 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
6339 |
tcg_temp_free_i32(t0); |
6340 |
if (rs == 0) { |
6341 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
6342 |
} else {
|
6343 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
6344 |
} |
6345 |
gen_set_label(l1); |
6346 |
} |
6347 |
|
6348 |
static inline void gen_movcf_s (int fs, int fd, int cc, int tf) |
6349 |
{ |
6350 |
int cond;
|
6351 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
6352 |
int l1 = gen_new_label();
|
6353 |
|
6354 |
if (tf)
|
6355 |
cond = TCG_COND_EQ; |
6356 |
else
|
6357 |
cond = TCG_COND_NE; |
6358 |
|
6359 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
6360 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
6361 |
gen_load_fpr32(t0, fs); |
6362 |
gen_store_fpr32(t0, fd); |
6363 |
gen_set_label(l1); |
6364 |
tcg_temp_free_i32(t0); |
6365 |
} |
6366 |
|
6367 |
static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf) |
6368 |
{ |
6369 |
int cond;
|
6370 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
6371 |
TCGv_i64 fp0; |
6372 |
int l1 = gen_new_label();
|
6373 |
|
6374 |
if (tf)
|
6375 |
cond = TCG_COND_EQ; |
6376 |
else
|
6377 |
cond = TCG_COND_NE; |
6378 |
|
6379 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
6380 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
6381 |
tcg_temp_free_i32(t0); |
6382 |
fp0 = tcg_temp_new_i64(); |
6383 |
gen_load_fpr64(ctx, fp0, fs); |
6384 |
gen_store_fpr64(ctx, fp0, fd); |
6385 |
tcg_temp_free_i64(fp0); |
6386 |
gen_set_label(l1); |
6387 |
} |
6388 |
|
6389 |
static inline void gen_movcf_ps (int fs, int fd, int cc, int tf) |
6390 |
{ |
6391 |
int cond;
|
6392 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
6393 |
int l1 = gen_new_label();
|
6394 |
int l2 = gen_new_label();
|
6395 |
|
6396 |
if (tf)
|
6397 |
cond = TCG_COND_EQ; |
6398 |
else
|
6399 |
cond = TCG_COND_NE; |
6400 |
|
6401 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
6402 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
6403 |
gen_load_fpr32(t0, fs); |
6404 |
gen_store_fpr32(t0, fd); |
6405 |
gen_set_label(l1); |
6406 |
|
6407 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1)); |
6408 |
tcg_gen_brcondi_i32(cond, t0, 0, l2);
|
6409 |
gen_load_fpr32h(t0, fs); |
6410 |
gen_store_fpr32h(t0, fd); |
6411 |
tcg_temp_free_i32(t0); |
6412 |
gen_set_label(l2); |
6413 |
} |
6414 |
|
6415 |
|
6416 |
static void gen_farith (DisasContext *ctx, enum fopcode op1, |
6417 |
int ft, int fs, int fd, int cc) |
6418 |
{ |
6419 |
const char *opn = "farith"; |
6420 |
const char *condnames[] = { |
6421 |
"c.f",
|
6422 |
"c.un",
|
6423 |
"c.eq",
|
6424 |
"c.ueq",
|
6425 |
"c.olt",
|
6426 |
"c.ult",
|
6427 |
"c.ole",
|
6428 |
"c.ule",
|
6429 |
"c.sf",
|
6430 |
"c.ngle",
|
6431 |
"c.seq",
|
6432 |
"c.ngl",
|
6433 |
"c.lt",
|
6434 |
"c.nge",
|
6435 |
"c.le",
|
6436 |
"c.ngt",
|
6437 |
}; |
6438 |
const char *condnames_abs[] = { |
6439 |
"cabs.f",
|
6440 |
"cabs.un",
|
6441 |
"cabs.eq",
|
6442 |
"cabs.ueq",
|
6443 |
"cabs.olt",
|
6444 |
"cabs.ult",
|
6445 |
"cabs.ole",
|
6446 |
"cabs.ule",
|
6447 |
"cabs.sf",
|
6448 |
"cabs.ngle",
|
6449 |
"cabs.seq",
|
6450 |
"cabs.ngl",
|
6451 |
"cabs.lt",
|
6452 |
"cabs.nge",
|
6453 |
"cabs.le",
|
6454 |
"cabs.ngt",
|
6455 |
}; |
6456 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
6457 |
uint32_t func = ctx->opcode & 0x3f;
|
6458 |
|
6459 |
switch (op1) {
|
6460 |
case OPC_ADD_S:
|
6461 |
{ |
6462 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6463 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6464 |
|
6465 |
gen_load_fpr32(fp0, fs); |
6466 |
gen_load_fpr32(fp1, ft); |
6467 |
gen_helper_float_add_s(fp0, fp0, fp1); |
6468 |
tcg_temp_free_i32(fp1); |
6469 |
gen_store_fpr32(fp0, fd); |
6470 |
tcg_temp_free_i32(fp0); |
6471 |
} |
6472 |
opn = "add.s";
|
6473 |
optype = BINOP; |
6474 |
break;
|
6475 |
case OPC_SUB_S:
|
6476 |
{ |
6477 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6478 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6479 |
|
6480 |
gen_load_fpr32(fp0, fs); |
6481 |
gen_load_fpr32(fp1, ft); |
6482 |
gen_helper_float_sub_s(fp0, fp0, fp1); |
6483 |
tcg_temp_free_i32(fp1); |
6484 |
gen_store_fpr32(fp0, fd); |
6485 |
tcg_temp_free_i32(fp0); |
6486 |
} |
6487 |
opn = "sub.s";
|
6488 |
optype = BINOP; |
6489 |
break;
|
6490 |
case OPC_MUL_S:
|
6491 |
{ |
6492 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6493 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6494 |
|
6495 |
gen_load_fpr32(fp0, fs); |
6496 |
gen_load_fpr32(fp1, ft); |
6497 |
gen_helper_float_mul_s(fp0, fp0, fp1); |
6498 |
tcg_temp_free_i32(fp1); |
6499 |
gen_store_fpr32(fp0, fd); |
6500 |
tcg_temp_free_i32(fp0); |
6501 |
} |
6502 |
opn = "mul.s";
|
6503 |
optype = BINOP; |
6504 |
break;
|
6505 |
case OPC_DIV_S:
|
6506 |
{ |
6507 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6508 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6509 |
|
6510 |
gen_load_fpr32(fp0, fs); |
6511 |
gen_load_fpr32(fp1, ft); |
6512 |
gen_helper_float_div_s(fp0, fp0, fp1); |
6513 |
tcg_temp_free_i32(fp1); |
6514 |
gen_store_fpr32(fp0, fd); |
6515 |
tcg_temp_free_i32(fp0); |
6516 |
} |
6517 |
opn = "div.s";
|
6518 |
optype = BINOP; |
6519 |
break;
|
6520 |
case OPC_SQRT_S:
|
6521 |
{ |
6522 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6523 |
|
6524 |
gen_load_fpr32(fp0, fs); |
6525 |
gen_helper_float_sqrt_s(fp0, fp0); |
6526 |
gen_store_fpr32(fp0, fd); |
6527 |
tcg_temp_free_i32(fp0); |
6528 |
} |
6529 |
opn = "sqrt.s";
|
6530 |
break;
|
6531 |
case OPC_ABS_S:
|
6532 |
{ |
6533 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6534 |
|
6535 |
gen_load_fpr32(fp0, fs); |
6536 |
gen_helper_float_abs_s(fp0, fp0); |
6537 |
gen_store_fpr32(fp0, fd); |
6538 |
tcg_temp_free_i32(fp0); |
6539 |
} |
6540 |
opn = "abs.s";
|
6541 |
break;
|
6542 |
case OPC_MOV_S:
|
6543 |
{ |
6544 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6545 |
|
6546 |
gen_load_fpr32(fp0, fs); |
6547 |
gen_store_fpr32(fp0, fd); |
6548 |
tcg_temp_free_i32(fp0); |
6549 |
} |
6550 |
opn = "mov.s";
|
6551 |
break;
|
6552 |
case OPC_NEG_S:
|
6553 |
{ |
6554 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6555 |
|
6556 |
gen_load_fpr32(fp0, fs); |
6557 |
gen_helper_float_chs_s(fp0, fp0); |
6558 |
gen_store_fpr32(fp0, fd); |
6559 |
tcg_temp_free_i32(fp0); |
6560 |
} |
6561 |
opn = "neg.s";
|
6562 |
break;
|
6563 |
case OPC_ROUND_L_S:
|
6564 |
check_cp1_64bitmode(ctx); |
6565 |
{ |
6566 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6567 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6568 |
|
6569 |
gen_load_fpr32(fp32, fs); |
6570 |
gen_helper_float_roundl_s(fp64, fp32); |
6571 |
tcg_temp_free_i32(fp32); |
6572 |
gen_store_fpr64(ctx, fp64, fd); |
6573 |
tcg_temp_free_i64(fp64); |
6574 |
} |
6575 |
opn = "round.l.s";
|
6576 |
break;
|
6577 |
case OPC_TRUNC_L_S:
|
6578 |
check_cp1_64bitmode(ctx); |
6579 |
{ |
6580 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6581 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6582 |
|
6583 |
gen_load_fpr32(fp32, fs); |
6584 |
gen_helper_float_truncl_s(fp64, fp32); |
6585 |
tcg_temp_free_i32(fp32); |
6586 |
gen_store_fpr64(ctx, fp64, fd); |
6587 |
tcg_temp_free_i64(fp64); |
6588 |
} |
6589 |
opn = "trunc.l.s";
|
6590 |
break;
|
6591 |
case OPC_CEIL_L_S:
|
6592 |
check_cp1_64bitmode(ctx); |
6593 |
{ |
6594 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6595 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6596 |
|
6597 |
gen_load_fpr32(fp32, fs); |
6598 |
gen_helper_float_ceill_s(fp64, fp32); |
6599 |
tcg_temp_free_i32(fp32); |
6600 |
gen_store_fpr64(ctx, fp64, fd); |
6601 |
tcg_temp_free_i64(fp64); |
6602 |
} |
6603 |
opn = "ceil.l.s";
|
6604 |
break;
|
6605 |
case OPC_FLOOR_L_S:
|
6606 |
check_cp1_64bitmode(ctx); |
6607 |
{ |
6608 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6609 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6610 |
|
6611 |
gen_load_fpr32(fp32, fs); |
6612 |
gen_helper_float_floorl_s(fp64, fp32); |
6613 |
tcg_temp_free_i32(fp32); |
6614 |
gen_store_fpr64(ctx, fp64, fd); |
6615 |
tcg_temp_free_i64(fp64); |
6616 |
} |
6617 |
opn = "floor.l.s";
|
6618 |
break;
|
6619 |
case OPC_ROUND_W_S:
|
6620 |
{ |
6621 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6622 |
|
6623 |
gen_load_fpr32(fp0, fs); |
6624 |
gen_helper_float_roundw_s(fp0, fp0); |
6625 |
gen_store_fpr32(fp0, fd); |
6626 |
tcg_temp_free_i32(fp0); |
6627 |
} |
6628 |
opn = "round.w.s";
|
6629 |
break;
|
6630 |
case OPC_TRUNC_W_S:
|
6631 |
{ |
6632 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6633 |
|
6634 |
gen_load_fpr32(fp0, fs); |
6635 |
gen_helper_float_truncw_s(fp0, fp0); |
6636 |
gen_store_fpr32(fp0, fd); |
6637 |
tcg_temp_free_i32(fp0); |
6638 |
} |
6639 |
opn = "trunc.w.s";
|
6640 |
break;
|
6641 |
case OPC_CEIL_W_S:
|
6642 |
{ |
6643 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6644 |
|
6645 |
gen_load_fpr32(fp0, fs); |
6646 |
gen_helper_float_ceilw_s(fp0, fp0); |
6647 |
gen_store_fpr32(fp0, fd); |
6648 |
tcg_temp_free_i32(fp0); |
6649 |
} |
6650 |
opn = "ceil.w.s";
|
6651 |
break;
|
6652 |
case OPC_FLOOR_W_S:
|
6653 |
{ |
6654 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6655 |
|
6656 |
gen_load_fpr32(fp0, fs); |
6657 |
gen_helper_float_floorw_s(fp0, fp0); |
6658 |
gen_store_fpr32(fp0, fd); |
6659 |
tcg_temp_free_i32(fp0); |
6660 |
} |
6661 |
opn = "floor.w.s";
|
6662 |
break;
|
6663 |
case OPC_MOVCF_S:
|
6664 |
gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
6665 |
opn = "movcf.s";
|
6666 |
break;
|
6667 |
case OPC_MOVZ_S:
|
6668 |
{ |
6669 |
int l1 = gen_new_label();
|
6670 |
TCGv_i32 fp0; |
6671 |
|
6672 |
if (ft != 0) { |
6673 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
6674 |
} |
6675 |
fp0 = tcg_temp_new_i32(); |
6676 |
gen_load_fpr32(fp0, fs); |
6677 |
gen_store_fpr32(fp0, fd); |
6678 |
tcg_temp_free_i32(fp0); |
6679 |
gen_set_label(l1); |
6680 |
} |
6681 |
opn = "movz.s";
|
6682 |
break;
|
6683 |
case OPC_MOVN_S:
|
6684 |
{ |
6685 |
int l1 = gen_new_label();
|
6686 |
TCGv_i32 fp0; |
6687 |
|
6688 |
if (ft != 0) { |
6689 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
6690 |
fp0 = tcg_temp_new_i32(); |
6691 |
gen_load_fpr32(fp0, fs); |
6692 |
gen_store_fpr32(fp0, fd); |
6693 |
tcg_temp_free_i32(fp0); |
6694 |
gen_set_label(l1); |
6695 |
} |
6696 |
} |
6697 |
opn = "movn.s";
|
6698 |
break;
|
6699 |
case OPC_RECIP_S:
|
6700 |
check_cop1x(ctx); |
6701 |
{ |
6702 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6703 |
|
6704 |
gen_load_fpr32(fp0, fs); |
6705 |
gen_helper_float_recip_s(fp0, fp0); |
6706 |
gen_store_fpr32(fp0, fd); |
6707 |
tcg_temp_free_i32(fp0); |
6708 |
} |
6709 |
opn = "recip.s";
|
6710 |
break;
|
6711 |
case OPC_RSQRT_S:
|
6712 |
check_cop1x(ctx); |
6713 |
{ |
6714 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6715 |
|
6716 |
gen_load_fpr32(fp0, fs); |
6717 |
gen_helper_float_rsqrt_s(fp0, fp0); |
6718 |
gen_store_fpr32(fp0, fd); |
6719 |
tcg_temp_free_i32(fp0); |
6720 |
} |
6721 |
opn = "rsqrt.s";
|
6722 |
break;
|
6723 |
case OPC_RECIP2_S:
|
6724 |
check_cp1_64bitmode(ctx); |
6725 |
{ |
6726 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6727 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6728 |
|
6729 |
gen_load_fpr32(fp0, fs); |
6730 |
gen_load_fpr32(fp1, fd); |
6731 |
gen_helper_float_recip2_s(fp0, fp0, fp1); |
6732 |
tcg_temp_free_i32(fp1); |
6733 |
gen_store_fpr32(fp0, fd); |
6734 |
tcg_temp_free_i32(fp0); |
6735 |
} |
6736 |
opn = "recip2.s";
|
6737 |
break;
|
6738 |
case OPC_RECIP1_S:
|
6739 |
check_cp1_64bitmode(ctx); |
6740 |
{ |
6741 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6742 |
|
6743 |
gen_load_fpr32(fp0, fs); |
6744 |
gen_helper_float_recip1_s(fp0, fp0); |
6745 |
gen_store_fpr32(fp0, fd); |
6746 |
tcg_temp_free_i32(fp0); |
6747 |
} |
6748 |
opn = "recip1.s";
|
6749 |
break;
|
6750 |
case OPC_RSQRT1_S:
|
6751 |
check_cp1_64bitmode(ctx); |
6752 |
{ |
6753 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6754 |
|
6755 |
gen_load_fpr32(fp0, fs); |
6756 |
gen_helper_float_rsqrt1_s(fp0, fp0); |
6757 |
gen_store_fpr32(fp0, fd); |
6758 |
tcg_temp_free_i32(fp0); |
6759 |
} |
6760 |
opn = "rsqrt1.s";
|
6761 |
break;
|
6762 |
case OPC_RSQRT2_S:
|
6763 |
check_cp1_64bitmode(ctx); |
6764 |
{ |
6765 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6766 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6767 |
|
6768 |
gen_load_fpr32(fp0, fs); |
6769 |
gen_load_fpr32(fp1, ft); |
6770 |
gen_helper_float_rsqrt2_s(fp0, fp0, fp1); |
6771 |
tcg_temp_free_i32(fp1); |
6772 |
gen_store_fpr32(fp0, fd); |
6773 |
tcg_temp_free_i32(fp0); |
6774 |
} |
6775 |
opn = "rsqrt2.s";
|
6776 |
break;
|
6777 |
case OPC_CVT_D_S:
|
6778 |
check_cp1_registers(ctx, fd); |
6779 |
{ |
6780 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6781 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6782 |
|
6783 |
gen_load_fpr32(fp32, fs); |
6784 |
gen_helper_float_cvtd_s(fp64, fp32); |
6785 |
tcg_temp_free_i32(fp32); |
6786 |
gen_store_fpr64(ctx, fp64, fd); |
6787 |
tcg_temp_free_i64(fp64); |
6788 |
} |
6789 |
opn = "cvt.d.s";
|
6790 |
break;
|
6791 |
case OPC_CVT_W_S:
|
6792 |
{ |
6793 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6794 |
|
6795 |
gen_load_fpr32(fp0, fs); |
6796 |
gen_helper_float_cvtw_s(fp0, fp0); |
6797 |
gen_store_fpr32(fp0, fd); |
6798 |
tcg_temp_free_i32(fp0); |
6799 |
} |
6800 |
opn = "cvt.w.s";
|
6801 |
break;
|
6802 |
case OPC_CVT_L_S:
|
6803 |
check_cp1_64bitmode(ctx); |
6804 |
{ |
6805 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6806 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6807 |
|
6808 |
gen_load_fpr32(fp32, fs); |
6809 |
gen_helper_float_cvtl_s(fp64, fp32); |
6810 |
tcg_temp_free_i32(fp32); |
6811 |
gen_store_fpr64(ctx, fp64, fd); |
6812 |
tcg_temp_free_i64(fp64); |
6813 |
} |
6814 |
opn = "cvt.l.s";
|
6815 |
break;
|
6816 |
case OPC_CVT_PS_S:
|
6817 |
check_cp1_64bitmode(ctx); |
6818 |
{ |
6819 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6820 |
TCGv_i32 fp32_0 = tcg_temp_new_i32(); |
6821 |
TCGv_i32 fp32_1 = tcg_temp_new_i32(); |
6822 |
|
6823 |
gen_load_fpr32(fp32_0, fs); |
6824 |
gen_load_fpr32(fp32_1, ft); |
6825 |
tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1); |
6826 |
tcg_temp_free_i32(fp32_1); |
6827 |
tcg_temp_free_i32(fp32_0); |
6828 |
gen_store_fpr64(ctx, fp64, fd); |
6829 |
tcg_temp_free_i64(fp64); |
6830 |
} |
6831 |
opn = "cvt.ps.s";
|
6832 |
break;
|
6833 |
case OPC_CMP_F_S:
|
6834 |
case OPC_CMP_UN_S:
|
6835 |
case OPC_CMP_EQ_S:
|
6836 |
case OPC_CMP_UEQ_S:
|
6837 |
case OPC_CMP_OLT_S:
|
6838 |
case OPC_CMP_ULT_S:
|
6839 |
case OPC_CMP_OLE_S:
|
6840 |
case OPC_CMP_ULE_S:
|
6841 |
case OPC_CMP_SF_S:
|
6842 |
case OPC_CMP_NGLE_S:
|
6843 |
case OPC_CMP_SEQ_S:
|
6844 |
case OPC_CMP_NGL_S:
|
6845 |
case OPC_CMP_LT_S:
|
6846 |
case OPC_CMP_NGE_S:
|
6847 |
case OPC_CMP_LE_S:
|
6848 |
case OPC_CMP_NGT_S:
|
6849 |
if (ctx->opcode & (1 << 6)) { |
6850 |
gen_cmpabs_s(ctx, func-48, ft, fs, cc);
|
6851 |
opn = condnames_abs[func-48];
|
6852 |
} else {
|
6853 |
gen_cmp_s(ctx, func-48, ft, fs, cc);
|
6854 |
opn = condnames[func-48];
|
6855 |
} |
6856 |
break;
|
6857 |
case OPC_ADD_D:
|
6858 |
check_cp1_registers(ctx, fs | ft | fd); |
6859 |
{ |
6860 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6861 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6862 |
|
6863 |
gen_load_fpr64(ctx, fp0, fs); |
6864 |
gen_load_fpr64(ctx, fp1, ft); |
6865 |
gen_helper_float_add_d(fp0, fp0, fp1); |
6866 |
tcg_temp_free_i64(fp1); |
6867 |
gen_store_fpr64(ctx, fp0, fd); |
6868 |
tcg_temp_free_i64(fp0); |
6869 |
} |
6870 |
opn = "add.d";
|
6871 |
optype = BINOP; |
6872 |
break;
|
6873 |
case OPC_SUB_D:
|
6874 |
check_cp1_registers(ctx, fs | ft | fd); |
6875 |
{ |
6876 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6877 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6878 |
|
6879 |
gen_load_fpr64(ctx, fp0, fs); |
6880 |
gen_load_fpr64(ctx, fp1, ft); |
6881 |
gen_helper_float_sub_d(fp0, fp0, fp1); |
6882 |
tcg_temp_free_i64(fp1); |
6883 |
gen_store_fpr64(ctx, fp0, fd); |
6884 |
tcg_temp_free_i64(fp0); |
6885 |
} |
6886 |
opn = "sub.d";
|
6887 |
optype = BINOP; |
6888 |
break;
|
6889 |
case OPC_MUL_D:
|
6890 |
check_cp1_registers(ctx, fs | ft | fd); |
6891 |
{ |
6892 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6893 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6894 |
|
6895 |
gen_load_fpr64(ctx, fp0, fs); |
6896 |
gen_load_fpr64(ctx, fp1, ft); |
6897 |
gen_helper_float_mul_d(fp0, fp0, fp1); |
6898 |
tcg_temp_free_i64(fp1); |
6899 |
gen_store_fpr64(ctx, fp0, fd); |
6900 |
tcg_temp_free_i64(fp0); |
6901 |
} |
6902 |
opn = "mul.d";
|
6903 |
optype = BINOP; |
6904 |
break;
|
6905 |
case OPC_DIV_D:
|
6906 |
check_cp1_registers(ctx, fs | ft | fd); |
6907 |
{ |
6908 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6909 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6910 |
|
6911 |
gen_load_fpr64(ctx, fp0, fs); |
6912 |
gen_load_fpr64(ctx, fp1, ft); |
6913 |
gen_helper_float_div_d(fp0, fp0, fp1); |
6914 |
tcg_temp_free_i64(fp1); |
6915 |
gen_store_fpr64(ctx, fp0, fd); |
6916 |
tcg_temp_free_i64(fp0); |
6917 |
} |
6918 |
opn = "div.d";
|
6919 |
optype = BINOP; |
6920 |
break;
|
6921 |
case OPC_SQRT_D:
|
6922 |
check_cp1_registers(ctx, fs | fd); |
6923 |
{ |
6924 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6925 |
|
6926 |
gen_load_fpr64(ctx, fp0, fs); |
6927 |
gen_helper_float_sqrt_d(fp0, fp0); |
6928 |
gen_store_fpr64(ctx, fp0, fd); |
6929 |
tcg_temp_free_i64(fp0); |
6930 |
} |
6931 |
opn = "sqrt.d";
|
6932 |
break;
|
6933 |
case OPC_ABS_D:
|
6934 |
check_cp1_registers(ctx, fs | fd); |
6935 |
{ |
6936 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6937 |
|
6938 |
gen_load_fpr64(ctx, fp0, fs); |
6939 |
gen_helper_float_abs_d(fp0, fp0); |
6940 |
gen_store_fpr64(ctx, fp0, fd); |
6941 |
tcg_temp_free_i64(fp0); |
6942 |
} |
6943 |
opn = "abs.d";
|
6944 |
break;
|
6945 |
case OPC_MOV_D:
|
6946 |
check_cp1_registers(ctx, fs | fd); |
6947 |
{ |
6948 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6949 |
|
6950 |
gen_load_fpr64(ctx, fp0, fs); |
6951 |
gen_store_fpr64(ctx, fp0, fd); |
6952 |
tcg_temp_free_i64(fp0); |
6953 |
} |
6954 |
opn = "mov.d";
|
6955 |
break;
|
6956 |
case OPC_NEG_D:
|
6957 |
check_cp1_registers(ctx, fs | fd); |
6958 |
{ |
6959 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6960 |
|
6961 |
gen_load_fpr64(ctx, fp0, fs); |
6962 |
gen_helper_float_chs_d(fp0, fp0); |
6963 |
gen_store_fpr64(ctx, fp0, fd); |
6964 |
tcg_temp_free_i64(fp0); |
6965 |
} |
6966 |
opn = "neg.d";
|
6967 |
break;
|
6968 |
case OPC_ROUND_L_D:
|
6969 |
check_cp1_64bitmode(ctx); |
6970 |
{ |
6971 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6972 |
|
6973 |
gen_load_fpr64(ctx, fp0, fs); |
6974 |
gen_helper_float_roundl_d(fp0, fp0); |
6975 |
gen_store_fpr64(ctx, fp0, fd); |
6976 |
tcg_temp_free_i64(fp0); |
6977 |
} |
6978 |
opn = "round.l.d";
|
6979 |
break;
|
6980 |
case OPC_TRUNC_L_D:
|
6981 |
check_cp1_64bitmode(ctx); |
6982 |
{ |
6983 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6984 |
|
6985 |
gen_load_fpr64(ctx, fp0, fs); |
6986 |
gen_helper_float_truncl_d(fp0, fp0); |
6987 |
gen_store_fpr64(ctx, fp0, fd); |
6988 |
tcg_temp_free_i64(fp0); |
6989 |
} |
6990 |
opn = "trunc.l.d";
|
6991 |
break;
|
6992 |
case OPC_CEIL_L_D:
|
6993 |
check_cp1_64bitmode(ctx); |
6994 |
{ |
6995 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6996 |
|
6997 |
gen_load_fpr64(ctx, fp0, fs); |
6998 |
gen_helper_float_ceill_d(fp0, fp0); |
6999 |
gen_store_fpr64(ctx, fp0, fd); |
7000 |
tcg_temp_free_i64(fp0); |
7001 |
} |
7002 |
opn = "ceil.l.d";
|
7003 |
break;
|
7004 |
case OPC_FLOOR_L_D:
|
7005 |
check_cp1_64bitmode(ctx); |
7006 |
{ |
7007 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7008 |
|
7009 |
gen_load_fpr64(ctx, fp0, fs); |
7010 |
gen_helper_float_floorl_d(fp0, fp0); |
7011 |
gen_store_fpr64(ctx, fp0, fd); |
7012 |
tcg_temp_free_i64(fp0); |
7013 |
} |
7014 |
opn = "floor.l.d";
|
7015 |
break;
|
7016 |
case OPC_ROUND_W_D:
|
7017 |
check_cp1_registers(ctx, fs); |
7018 |
{ |
7019 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7020 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7021 |
|
7022 |
gen_load_fpr64(ctx, fp64, fs); |
7023 |
gen_helper_float_roundw_d(fp32, fp64); |
7024 |
tcg_temp_free_i64(fp64); |
7025 |
gen_store_fpr32(fp32, fd); |
7026 |
tcg_temp_free_i32(fp32); |
7027 |
} |
7028 |
opn = "round.w.d";
|
7029 |
break;
|
7030 |
case OPC_TRUNC_W_D:
|
7031 |
check_cp1_registers(ctx, fs); |
7032 |
{ |
7033 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7034 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7035 |
|
7036 |
gen_load_fpr64(ctx, fp64, fs); |
7037 |
gen_helper_float_truncw_d(fp32, fp64); |
7038 |
tcg_temp_free_i64(fp64); |
7039 |
gen_store_fpr32(fp32, fd); |
7040 |
tcg_temp_free_i32(fp32); |
7041 |
} |
7042 |
opn = "trunc.w.d";
|
7043 |
break;
|
7044 |
case OPC_CEIL_W_D:
|
7045 |
check_cp1_registers(ctx, fs); |
7046 |
{ |
7047 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7048 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7049 |
|
7050 |
gen_load_fpr64(ctx, fp64, fs); |
7051 |
gen_helper_float_ceilw_d(fp32, fp64); |
7052 |
tcg_temp_free_i64(fp64); |
7053 |
gen_store_fpr32(fp32, fd); |
7054 |
tcg_temp_free_i32(fp32); |
7055 |
} |
7056 |
opn = "ceil.w.d";
|
7057 |
break;
|
7058 |
case OPC_FLOOR_W_D:
|
7059 |
check_cp1_registers(ctx, fs); |
7060 |
{ |
7061 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7062 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7063 |
|
7064 |
gen_load_fpr64(ctx, fp64, fs); |
7065 |
gen_helper_float_floorw_d(fp32, fp64); |
7066 |
tcg_temp_free_i64(fp64); |
7067 |
gen_store_fpr32(fp32, fd); |
7068 |
tcg_temp_free_i32(fp32); |
7069 |
} |
7070 |
opn = "floor.w.d";
|
7071 |
break;
|
7072 |
case OPC_MOVCF_D:
|
7073 |
gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
7074 |
opn = "movcf.d";
|
7075 |
break;
|
7076 |
case OPC_MOVZ_D:
|
7077 |
{ |
7078 |
int l1 = gen_new_label();
|
7079 |
TCGv_i64 fp0; |
7080 |
|
7081 |
if (ft != 0) { |
7082 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
7083 |
} |
7084 |
fp0 = tcg_temp_new_i64(); |
7085 |
gen_load_fpr64(ctx, fp0, fs); |
7086 |
gen_store_fpr64(ctx, fp0, fd); |
7087 |
tcg_temp_free_i64(fp0); |
7088 |
gen_set_label(l1); |
7089 |
} |
7090 |
opn = "movz.d";
|
7091 |
break;
|
7092 |
case OPC_MOVN_D:
|
7093 |
{ |
7094 |
int l1 = gen_new_label();
|
7095 |
TCGv_i64 fp0; |
7096 |
|
7097 |
if (ft != 0) { |
7098 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
7099 |
fp0 = tcg_temp_new_i64(); |
7100 |
gen_load_fpr64(ctx, fp0, fs); |
7101 |
gen_store_fpr64(ctx, fp0, fd); |
7102 |
tcg_temp_free_i64(fp0); |
7103 |
gen_set_label(l1); |
7104 |
} |
7105 |
} |
7106 |
opn = "movn.d";
|
7107 |
break;
|
7108 |
case OPC_RECIP_D:
|
7109 |
check_cp1_64bitmode(ctx); |
7110 |
{ |
7111 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7112 |
|
7113 |
gen_load_fpr64(ctx, fp0, fs); |
7114 |
gen_helper_float_recip_d(fp0, fp0); |
7115 |
gen_store_fpr64(ctx, fp0, fd); |
7116 |
tcg_temp_free_i64(fp0); |
7117 |
} |
7118 |
opn = "recip.d";
|
7119 |
break;
|
7120 |
case OPC_RSQRT_D:
|
7121 |
check_cp1_64bitmode(ctx); |
7122 |
{ |
7123 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7124 |
|
7125 |
gen_load_fpr64(ctx, fp0, fs); |
7126 |
gen_helper_float_rsqrt_d(fp0, fp0); |
7127 |
gen_store_fpr64(ctx, fp0, fd); |
7128 |
tcg_temp_free_i64(fp0); |
7129 |
} |
7130 |
opn = "rsqrt.d";
|
7131 |
break;
|
7132 |
case OPC_RECIP2_D:
|
7133 |
check_cp1_64bitmode(ctx); |
7134 |
{ |
7135 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7136 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7137 |
|
7138 |
gen_load_fpr64(ctx, fp0, fs); |
7139 |
gen_load_fpr64(ctx, fp1, ft); |
7140 |
gen_helper_float_recip2_d(fp0, fp0, fp1); |
7141 |
tcg_temp_free_i64(fp1); |
7142 |
gen_store_fpr64(ctx, fp0, fd); |
7143 |
tcg_temp_free_i64(fp0); |
7144 |
} |
7145 |
opn = "recip2.d";
|
7146 |
break;
|
7147 |
case OPC_RECIP1_D:
|
7148 |
check_cp1_64bitmode(ctx); |
7149 |
{ |
7150 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7151 |
|
7152 |
gen_load_fpr64(ctx, fp0, fs); |
7153 |
gen_helper_float_recip1_d(fp0, fp0); |
7154 |
gen_store_fpr64(ctx, fp0, fd); |
7155 |
tcg_temp_free_i64(fp0); |
7156 |
} |
7157 |
opn = "recip1.d";
|
7158 |
break;
|
7159 |
case OPC_RSQRT1_D:
|
7160 |
check_cp1_64bitmode(ctx); |
7161 |
{ |
7162 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7163 |
|
7164 |
gen_load_fpr64(ctx, fp0, fs); |
7165 |
gen_helper_float_rsqrt1_d(fp0, fp0); |
7166 |
gen_store_fpr64(ctx, fp0, fd); |
7167 |
tcg_temp_free_i64(fp0); |
7168 |
} |
7169 |
opn = "rsqrt1.d";
|
7170 |
break;
|
7171 |
case OPC_RSQRT2_D:
|
7172 |
check_cp1_64bitmode(ctx); |
7173 |
{ |
7174 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7175 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7176 |
|
7177 |
gen_load_fpr64(ctx, fp0, fs); |
7178 |
gen_load_fpr64(ctx, fp1, ft); |
7179 |
gen_helper_float_rsqrt2_d(fp0, fp0, fp1); |
7180 |
tcg_temp_free_i64(fp1); |
7181 |
gen_store_fpr64(ctx, fp0, fd); |
7182 |
tcg_temp_free_i64(fp0); |
7183 |
} |
7184 |
opn = "rsqrt2.d";
|
7185 |
break;
|
7186 |
case OPC_CMP_F_D:
|
7187 |
case OPC_CMP_UN_D:
|
7188 |
case OPC_CMP_EQ_D:
|
7189 |
case OPC_CMP_UEQ_D:
|
7190 |
case OPC_CMP_OLT_D:
|
7191 |
case OPC_CMP_ULT_D:
|
7192 |
case OPC_CMP_OLE_D:
|
7193 |
case OPC_CMP_ULE_D:
|
7194 |
case OPC_CMP_SF_D:
|
7195 |
case OPC_CMP_NGLE_D:
|
7196 |
case OPC_CMP_SEQ_D:
|
7197 |
case OPC_CMP_NGL_D:
|
7198 |
case OPC_CMP_LT_D:
|
7199 |
case OPC_CMP_NGE_D:
|
7200 |
case OPC_CMP_LE_D:
|
7201 |
case OPC_CMP_NGT_D:
|
7202 |
if (ctx->opcode & (1 << 6)) { |
7203 |
gen_cmpabs_d(ctx, func-48, ft, fs, cc);
|
7204 |
opn = condnames_abs[func-48];
|
7205 |
} else {
|
7206 |
gen_cmp_d(ctx, func-48, ft, fs, cc);
|
7207 |
opn = condnames[func-48];
|
7208 |
} |
7209 |
break;
|
7210 |
case OPC_CVT_S_D:
|
7211 |
check_cp1_registers(ctx, fs); |
7212 |
{ |
7213 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7214 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7215 |
|
7216 |
gen_load_fpr64(ctx, fp64, fs); |
7217 |
gen_helper_float_cvts_d(fp32, fp64); |
7218 |
tcg_temp_free_i64(fp64); |
7219 |
gen_store_fpr32(fp32, fd); |
7220 |
tcg_temp_free_i32(fp32); |
7221 |
} |
7222 |
opn = "cvt.s.d";
|
7223 |
break;
|
7224 |
case OPC_CVT_W_D:
|
7225 |
check_cp1_registers(ctx, fs); |
7226 |
{ |
7227 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7228 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7229 |
|
7230 |
gen_load_fpr64(ctx, fp64, fs); |
7231 |
gen_helper_float_cvtw_d(fp32, fp64); |
7232 |
tcg_temp_free_i64(fp64); |
7233 |
gen_store_fpr32(fp32, fd); |
7234 |
tcg_temp_free_i32(fp32); |
7235 |
} |
7236 |
opn = "cvt.w.d";
|
7237 |
break;
|
7238 |
case OPC_CVT_L_D:
|
7239 |
check_cp1_64bitmode(ctx); |
7240 |
{ |
7241 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7242 |
|
7243 |
gen_load_fpr64(ctx, fp0, fs); |
7244 |
gen_helper_float_cvtl_d(fp0, fp0); |
7245 |
gen_store_fpr64(ctx, fp0, fd); |
7246 |
tcg_temp_free_i64(fp0); |
7247 |
} |
7248 |
opn = "cvt.l.d";
|
7249 |
break;
|
7250 |
case OPC_CVT_S_W:
|
7251 |
{ |
7252 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7253 |
|
7254 |
gen_load_fpr32(fp0, fs); |
7255 |
gen_helper_float_cvts_w(fp0, fp0); |
7256 |
gen_store_fpr32(fp0, fd); |
7257 |
tcg_temp_free_i32(fp0); |
7258 |
} |
7259 |
opn = "cvt.s.w";
|
7260 |
break;
|
7261 |
case OPC_CVT_D_W:
|
7262 |
check_cp1_registers(ctx, fd); |
7263 |
{ |
7264 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7265 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7266 |
|
7267 |
gen_load_fpr32(fp32, fs); |
7268 |
gen_helper_float_cvtd_w(fp64, fp32); |
7269 |
tcg_temp_free_i32(fp32); |
7270 |
gen_store_fpr64(ctx, fp64, fd); |
7271 |
tcg_temp_free_i64(fp64); |
7272 |
} |
7273 |
opn = "cvt.d.w";
|
7274 |
break;
|
7275 |
case OPC_CVT_S_L:
|
7276 |
check_cp1_64bitmode(ctx); |
7277 |
{ |
7278 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
7279 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
7280 |
|
7281 |
gen_load_fpr64(ctx, fp64, fs); |
7282 |
gen_helper_float_cvts_l(fp32, fp64); |
7283 |
tcg_temp_free_i64(fp64); |
7284 |
gen_store_fpr32(fp32, fd); |
7285 |
tcg_temp_free_i32(fp32); |
7286 |
} |
7287 |
opn = "cvt.s.l";
|
7288 |
break;
|
7289 |
case OPC_CVT_D_L:
|
7290 |
check_cp1_64bitmode(ctx); |
7291 |
{ |
7292 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7293 |
|
7294 |
gen_load_fpr64(ctx, fp0, fs); |
7295 |
gen_helper_float_cvtd_l(fp0, fp0); |
7296 |
gen_store_fpr64(ctx, fp0, fd); |
7297 |
tcg_temp_free_i64(fp0); |
7298 |
} |
7299 |
opn = "cvt.d.l";
|
7300 |
break;
|
7301 |
case OPC_CVT_PS_PW:
|
7302 |
check_cp1_64bitmode(ctx); |
7303 |
{ |
7304 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7305 |
|
7306 |
gen_load_fpr64(ctx, fp0, fs); |
7307 |
gen_helper_float_cvtps_pw(fp0, fp0); |
7308 |
gen_store_fpr64(ctx, fp0, fd); |
7309 |
tcg_temp_free_i64(fp0); |
7310 |
} |
7311 |
opn = "cvt.ps.pw";
|
7312 |
break;
|
7313 |
case OPC_ADD_PS:
|
7314 |
check_cp1_64bitmode(ctx); |
7315 |
{ |
7316 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7317 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7318 |
|
7319 |
gen_load_fpr64(ctx, fp0, fs); |
7320 |
gen_load_fpr64(ctx, fp1, ft); |
7321 |
gen_helper_float_add_ps(fp0, fp0, fp1); |
7322 |
tcg_temp_free_i64(fp1); |
7323 |
gen_store_fpr64(ctx, fp0, fd); |
7324 |
tcg_temp_free_i64(fp0); |
7325 |
} |
7326 |
opn = "add.ps";
|
7327 |
break;
|
7328 |
case OPC_SUB_PS:
|
7329 |
check_cp1_64bitmode(ctx); |
7330 |
{ |
7331 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7332 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7333 |
|
7334 |
gen_load_fpr64(ctx, fp0, fs); |
7335 |
gen_load_fpr64(ctx, fp1, ft); |
7336 |
gen_helper_float_sub_ps(fp0, fp0, fp1); |
7337 |
tcg_temp_free_i64(fp1); |
7338 |
gen_store_fpr64(ctx, fp0, fd); |
7339 |
tcg_temp_free_i64(fp0); |
7340 |
} |
7341 |
opn = "sub.ps";
|
7342 |
break;
|
7343 |
case OPC_MUL_PS:
|
7344 |
check_cp1_64bitmode(ctx); |
7345 |
{ |
7346 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7347 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7348 |
|
7349 |
gen_load_fpr64(ctx, fp0, fs); |
7350 |
gen_load_fpr64(ctx, fp1, ft); |
7351 |
gen_helper_float_mul_ps(fp0, fp0, fp1); |
7352 |
tcg_temp_free_i64(fp1); |
7353 |
gen_store_fpr64(ctx, fp0, fd); |
7354 |
tcg_temp_free_i64(fp0); |
7355 |
} |
7356 |
opn = "mul.ps";
|
7357 |
break;
|
7358 |
case OPC_ABS_PS:
|
7359 |
check_cp1_64bitmode(ctx); |
7360 |
{ |
7361 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7362 |
|
7363 |
gen_load_fpr64(ctx, fp0, fs); |
7364 |
gen_helper_float_abs_ps(fp0, fp0); |
7365 |
gen_store_fpr64(ctx, fp0, fd); |
7366 |
tcg_temp_free_i64(fp0); |
7367 |
} |
7368 |
opn = "abs.ps";
|
7369 |
break;
|
7370 |
case OPC_MOV_PS:
|
7371 |
check_cp1_64bitmode(ctx); |
7372 |
{ |
7373 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7374 |
|
7375 |
gen_load_fpr64(ctx, fp0, fs); |
7376 |
gen_store_fpr64(ctx, fp0, fd); |
7377 |
tcg_temp_free_i64(fp0); |
7378 |
} |
7379 |
opn = "mov.ps";
|
7380 |
break;
|
7381 |
case OPC_NEG_PS:
|
7382 |
check_cp1_64bitmode(ctx); |
7383 |
{ |
7384 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7385 |
|
7386 |
gen_load_fpr64(ctx, fp0, fs); |
7387 |
gen_helper_float_chs_ps(fp0, fp0); |
7388 |
gen_store_fpr64(ctx, fp0, fd); |
7389 |
tcg_temp_free_i64(fp0); |
7390 |
} |
7391 |
opn = "neg.ps";
|
7392 |
break;
|
7393 |
case OPC_MOVCF_PS:
|
7394 |
check_cp1_64bitmode(ctx); |
7395 |
gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
7396 |
opn = "movcf.ps";
|
7397 |
break;
|
7398 |
case OPC_MOVZ_PS:
|
7399 |
check_cp1_64bitmode(ctx); |
7400 |
{ |
7401 |
int l1 = gen_new_label();
|
7402 |
TCGv_i64 fp0; |
7403 |
|
7404 |
if (ft != 0) |
7405 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
7406 |
fp0 = tcg_temp_new_i64(); |
7407 |
gen_load_fpr64(ctx, fp0, fs); |
7408 |
gen_store_fpr64(ctx, fp0, fd); |
7409 |
tcg_temp_free_i64(fp0); |
7410 |
gen_set_label(l1); |
7411 |
} |
7412 |
opn = "movz.ps";
|
7413 |
break;
|
7414 |
case OPC_MOVN_PS:
|
7415 |
check_cp1_64bitmode(ctx); |
7416 |
{ |
7417 |
int l1 = gen_new_label();
|
7418 |
TCGv_i64 fp0; |
7419 |
|
7420 |
if (ft != 0) { |
7421 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
7422 |
fp0 = tcg_temp_new_i64(); |
7423 |
gen_load_fpr64(ctx, fp0, fs); |
7424 |
gen_store_fpr64(ctx, fp0, fd); |
7425 |
tcg_temp_free_i64(fp0); |
7426 |
gen_set_label(l1); |
7427 |
} |
7428 |
} |
7429 |
opn = "movn.ps";
|
7430 |
break;
|
7431 |
case OPC_ADDR_PS:
|
7432 |
check_cp1_64bitmode(ctx); |
7433 |
{ |
7434 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7435 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7436 |
|
7437 |
gen_load_fpr64(ctx, fp0, ft); |
7438 |
gen_load_fpr64(ctx, fp1, fs); |
7439 |
gen_helper_float_addr_ps(fp0, fp0, fp1); |
7440 |
tcg_temp_free_i64(fp1); |
7441 |
gen_store_fpr64(ctx, fp0, fd); |
7442 |
tcg_temp_free_i64(fp0); |
7443 |
} |
7444 |
opn = "addr.ps";
|
7445 |
break;
|
7446 |
case OPC_MULR_PS:
|
7447 |
check_cp1_64bitmode(ctx); |
7448 |
{ |
7449 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7450 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7451 |
|
7452 |
gen_load_fpr64(ctx, fp0, ft); |
7453 |
gen_load_fpr64(ctx, fp1, fs); |
7454 |
gen_helper_float_mulr_ps(fp0, fp0, fp1); |
7455 |
tcg_temp_free_i64(fp1); |
7456 |
gen_store_fpr64(ctx, fp0, fd); |
7457 |
tcg_temp_free_i64(fp0); |
7458 |
} |
7459 |
opn = "mulr.ps";
|
7460 |
break;
|
7461 |
case OPC_RECIP2_PS:
|
7462 |
check_cp1_64bitmode(ctx); |
7463 |
{ |
7464 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7465 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7466 |
|
7467 |
gen_load_fpr64(ctx, fp0, fs); |
7468 |
gen_load_fpr64(ctx, fp1, fd); |
7469 |
gen_helper_float_recip2_ps(fp0, fp0, fp1); |
7470 |
tcg_temp_free_i64(fp1); |
7471 |
gen_store_fpr64(ctx, fp0, fd); |
7472 |
tcg_temp_free_i64(fp0); |
7473 |
} |
7474 |
opn = "recip2.ps";
|
7475 |
break;
|
7476 |
case OPC_RECIP1_PS:
|
7477 |
check_cp1_64bitmode(ctx); |
7478 |
{ |
7479 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7480 |
|
7481 |
gen_load_fpr64(ctx, fp0, fs); |
7482 |
gen_helper_float_recip1_ps(fp0, fp0); |
7483 |
gen_store_fpr64(ctx, fp0, fd); |
7484 |
tcg_temp_free_i64(fp0); |
7485 |
} |
7486 |
opn = "recip1.ps";
|
7487 |
break;
|
7488 |
case OPC_RSQRT1_PS:
|
7489 |
check_cp1_64bitmode(ctx); |
7490 |
{ |
7491 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7492 |
|
7493 |
gen_load_fpr64(ctx, fp0, fs); |
7494 |
gen_helper_float_rsqrt1_ps(fp0, fp0); |
7495 |
gen_store_fpr64(ctx, fp0, fd); |
7496 |
tcg_temp_free_i64(fp0); |
7497 |
} |
7498 |
opn = "rsqrt1.ps";
|
7499 |
break;
|
7500 |
case OPC_RSQRT2_PS:
|
7501 |
check_cp1_64bitmode(ctx); |
7502 |
{ |
7503 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7504 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7505 |
|
7506 |
gen_load_fpr64(ctx, fp0, fs); |
7507 |
gen_load_fpr64(ctx, fp1, ft); |
7508 |
gen_helper_float_rsqrt2_ps(fp0, fp0, fp1); |
7509 |
tcg_temp_free_i64(fp1); |
7510 |
gen_store_fpr64(ctx, fp0, fd); |
7511 |
tcg_temp_free_i64(fp0); |
7512 |
} |
7513 |
opn = "rsqrt2.ps";
|
7514 |
break;
|
7515 |
case OPC_CVT_S_PU:
|
7516 |
check_cp1_64bitmode(ctx); |
7517 |
{ |
7518 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7519 |
|
7520 |
gen_load_fpr32h(fp0, fs); |
7521 |
gen_helper_float_cvts_pu(fp0, fp0); |
7522 |
gen_store_fpr32(fp0, fd); |
7523 |
tcg_temp_free_i32(fp0); |
7524 |
} |
7525 |
opn = "cvt.s.pu";
|
7526 |
break;
|
7527 |
case OPC_CVT_PW_PS:
|
7528 |
check_cp1_64bitmode(ctx); |
7529 |
{ |
7530 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7531 |
|
7532 |
gen_load_fpr64(ctx, fp0, fs); |
7533 |
gen_helper_float_cvtpw_ps(fp0, fp0); |
7534 |
gen_store_fpr64(ctx, fp0, fd); |
7535 |
tcg_temp_free_i64(fp0); |
7536 |
} |
7537 |
opn = "cvt.pw.ps";
|
7538 |
break;
|
7539 |
case OPC_CVT_S_PL:
|
7540 |
check_cp1_64bitmode(ctx); |
7541 |
{ |
7542 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7543 |
|
7544 |
gen_load_fpr32(fp0, fs); |
7545 |
gen_helper_float_cvts_pl(fp0, fp0); |
7546 |
gen_store_fpr32(fp0, fd); |
7547 |
tcg_temp_free_i32(fp0); |
7548 |
} |
7549 |
opn = "cvt.s.pl";
|
7550 |
break;
|
7551 |
case OPC_PLL_PS:
|
7552 |
check_cp1_64bitmode(ctx); |
7553 |
{ |
7554 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7555 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7556 |
|
7557 |
gen_load_fpr32(fp0, fs); |
7558 |
gen_load_fpr32(fp1, ft); |
7559 |
gen_store_fpr32h(fp0, fd); |
7560 |
gen_store_fpr32(fp1, fd); |
7561 |
tcg_temp_free_i32(fp0); |
7562 |
tcg_temp_free_i32(fp1); |
7563 |
} |
7564 |
opn = "pll.ps";
|
7565 |
break;
|
7566 |
case OPC_PLU_PS:
|
7567 |
check_cp1_64bitmode(ctx); |
7568 |
{ |
7569 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7570 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7571 |
|
7572 |
gen_load_fpr32(fp0, fs); |
7573 |
gen_load_fpr32h(fp1, ft); |
7574 |
gen_store_fpr32(fp1, fd); |
7575 |
gen_store_fpr32h(fp0, fd); |
7576 |
tcg_temp_free_i32(fp0); |
7577 |
tcg_temp_free_i32(fp1); |
7578 |
} |
7579 |
opn = "plu.ps";
|
7580 |
break;
|
7581 |
case OPC_PUL_PS:
|
7582 |
check_cp1_64bitmode(ctx); |
7583 |
{ |
7584 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7585 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7586 |
|
7587 |
gen_load_fpr32h(fp0, fs); |
7588 |
gen_load_fpr32(fp1, ft); |
7589 |
gen_store_fpr32(fp1, fd); |
7590 |
gen_store_fpr32h(fp0, fd); |
7591 |
tcg_temp_free_i32(fp0); |
7592 |
tcg_temp_free_i32(fp1); |
7593 |
} |
7594 |
opn = "pul.ps";
|
7595 |
break;
|
7596 |
case OPC_PUU_PS:
|
7597 |
check_cp1_64bitmode(ctx); |
7598 |
{ |
7599 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7600 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7601 |
|
7602 |
gen_load_fpr32h(fp0, fs); |
7603 |
gen_load_fpr32h(fp1, ft); |
7604 |
gen_store_fpr32(fp1, fd); |
7605 |
gen_store_fpr32h(fp0, fd); |
7606 |
tcg_temp_free_i32(fp0); |
7607 |
tcg_temp_free_i32(fp1); |
7608 |
} |
7609 |
opn = "puu.ps";
|
7610 |
break;
|
7611 |
case OPC_CMP_F_PS:
|
7612 |
case OPC_CMP_UN_PS:
|
7613 |
case OPC_CMP_EQ_PS:
|
7614 |
case OPC_CMP_UEQ_PS:
|
7615 |
case OPC_CMP_OLT_PS:
|
7616 |
case OPC_CMP_ULT_PS:
|
7617 |
case OPC_CMP_OLE_PS:
|
7618 |
case OPC_CMP_ULE_PS:
|
7619 |
case OPC_CMP_SF_PS:
|
7620 |
case OPC_CMP_NGLE_PS:
|
7621 |
case OPC_CMP_SEQ_PS:
|
7622 |
case OPC_CMP_NGL_PS:
|
7623 |
case OPC_CMP_LT_PS:
|
7624 |
case OPC_CMP_NGE_PS:
|
7625 |
case OPC_CMP_LE_PS:
|
7626 |
case OPC_CMP_NGT_PS:
|
7627 |
if (ctx->opcode & (1 << 6)) { |
7628 |
gen_cmpabs_ps(ctx, func-48, ft, fs, cc);
|
7629 |
opn = condnames_abs[func-48];
|
7630 |
} else {
|
7631 |
gen_cmp_ps(ctx, func-48, ft, fs, cc);
|
7632 |
opn = condnames[func-48];
|
7633 |
} |
7634 |
break;
|
7635 |
default:
|
7636 |
MIPS_INVAL(opn); |
7637 |
generate_exception (ctx, EXCP_RI); |
7638 |
return;
|
7639 |
} |
7640 |
(void)opn; /* avoid a compiler warning */ |
7641 |
switch (optype) {
|
7642 |
case BINOP:
|
7643 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
7644 |
break;
|
7645 |
case CMPOP:
|
7646 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
7647 |
break;
|
7648 |
default:
|
7649 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
7650 |
break;
|
7651 |
} |
7652 |
} |
7653 |
|
7654 |
/* Coprocessor 3 (FPU) */
|
7655 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
7656 |
int fd, int fs, int base, int index) |
7657 |
{ |
7658 |
const char *opn = "extended float load/store"; |
7659 |
int store = 0; |
7660 |
TCGv t0 = tcg_temp_new(); |
7661 |
|
7662 |
if (base == 0) { |
7663 |
gen_load_gpr(t0, index); |
7664 |
} else if (index == 0) { |
7665 |
gen_load_gpr(t0, base); |
7666 |
} else {
|
7667 |
gen_load_gpr(t0, index); |
7668 |
gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
7669 |
} |
7670 |
/* Don't do NOP if destination is zero: we must perform the actual
|
7671 |
memory access. */
|
7672 |
save_cpu_state(ctx, 0);
|
7673 |
switch (opc) {
|
7674 |
case OPC_LWXC1:
|
7675 |
check_cop1x(ctx); |
7676 |
{ |
7677 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7678 |
|
7679 |
tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
7680 |
tcg_gen_trunc_tl_i32(fp0, t0); |
7681 |
gen_store_fpr32(fp0, fd); |
7682 |
tcg_temp_free_i32(fp0); |
7683 |
} |
7684 |
opn = "lwxc1";
|
7685 |
break;
|
7686 |
case OPC_LDXC1:
|
7687 |
check_cop1x(ctx); |
7688 |
check_cp1_registers(ctx, fd); |
7689 |
{ |
7690 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7691 |
|
7692 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
7693 |
gen_store_fpr64(ctx, fp0, fd); |
7694 |
tcg_temp_free_i64(fp0); |
7695 |
} |
7696 |
opn = "ldxc1";
|
7697 |
break;
|
7698 |
case OPC_LUXC1:
|
7699 |
check_cp1_64bitmode(ctx); |
7700 |
tcg_gen_andi_tl(t0, t0, ~0x7);
|
7701 |
{ |
7702 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7703 |
|
7704 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
7705 |
gen_store_fpr64(ctx, fp0, fd); |
7706 |
tcg_temp_free_i64(fp0); |
7707 |
} |
7708 |
opn = "luxc1";
|
7709 |
break;
|
7710 |
case OPC_SWXC1:
|
7711 |
check_cop1x(ctx); |
7712 |
{ |
7713 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7714 |
TCGv t1 = tcg_temp_new(); |
7715 |
|
7716 |
gen_load_fpr32(fp0, fs); |
7717 |
tcg_gen_extu_i32_tl(t1, fp0); |
7718 |
tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
7719 |
tcg_temp_free_i32(fp0); |
7720 |
tcg_temp_free(t1); |
7721 |
} |
7722 |
opn = "swxc1";
|
7723 |
store = 1;
|
7724 |
break;
|
7725 |
case OPC_SDXC1:
|
7726 |
check_cop1x(ctx); |
7727 |
check_cp1_registers(ctx, fs); |
7728 |
{ |
7729 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7730 |
|
7731 |
gen_load_fpr64(ctx, fp0, fs); |
7732 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
7733 |
tcg_temp_free_i64(fp0); |
7734 |
} |
7735 |
opn = "sdxc1";
|
7736 |
store = 1;
|
7737 |
break;
|
7738 |
case OPC_SUXC1:
|
7739 |
check_cp1_64bitmode(ctx); |
7740 |
tcg_gen_andi_tl(t0, t0, ~0x7);
|
7741 |
{ |
7742 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7743 |
|
7744 |
gen_load_fpr64(ctx, fp0, fs); |
7745 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
7746 |
tcg_temp_free_i64(fp0); |
7747 |
} |
7748 |
opn = "suxc1";
|
7749 |
store = 1;
|
7750 |
break;
|
7751 |
} |
7752 |
tcg_temp_free(t0); |
7753 |
(void)opn; (void)store; /* avoid compiler warnings */ |
7754 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
7755 |
regnames[index], regnames[base]); |
7756 |
} |
7757 |
|
7758 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
7759 |
int fd, int fr, int fs, int ft) |
7760 |
{ |
7761 |
const char *opn = "flt3_arith"; |
7762 |
|
7763 |
switch (opc) {
|
7764 |
case OPC_ALNV_PS:
|
7765 |
check_cp1_64bitmode(ctx); |
7766 |
{ |
7767 |
TCGv t0 = tcg_temp_local_new(); |
7768 |
TCGv_i32 fp = tcg_temp_new_i32(); |
7769 |
TCGv_i32 fph = tcg_temp_new_i32(); |
7770 |
int l1 = gen_new_label();
|
7771 |
int l2 = gen_new_label();
|
7772 |
|
7773 |
gen_load_gpr(t0, fr); |
7774 |
tcg_gen_andi_tl(t0, t0, 0x7);
|
7775 |
|
7776 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
|
7777 |
gen_load_fpr32(fp, fs); |
7778 |
gen_load_fpr32h(fph, fs); |
7779 |
gen_store_fpr32(fp, fd); |
7780 |
gen_store_fpr32h(fph, fd); |
7781 |
tcg_gen_br(l2); |
7782 |
gen_set_label(l1); |
7783 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
|
7784 |
tcg_temp_free(t0); |
7785 |
#ifdef TARGET_WORDS_BIGENDIAN
|
7786 |
gen_load_fpr32(fp, fs); |
7787 |
gen_load_fpr32h(fph, ft); |
7788 |
gen_store_fpr32h(fp, fd); |
7789 |
gen_store_fpr32(fph, fd); |
7790 |
#else
|
7791 |
gen_load_fpr32h(fph, fs); |
7792 |
gen_load_fpr32(fp, ft); |
7793 |
gen_store_fpr32(fph, fd); |
7794 |
gen_store_fpr32h(fp, fd); |
7795 |
#endif
|
7796 |
gen_set_label(l2); |
7797 |
tcg_temp_free_i32(fp); |
7798 |
tcg_temp_free_i32(fph); |
7799 |
} |
7800 |
opn = "alnv.ps";
|
7801 |
break;
|
7802 |
case OPC_MADD_S:
|
7803 |
check_cop1x(ctx); |
7804 |
{ |
7805 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7806 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7807 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7808 |
|
7809 |
gen_load_fpr32(fp0, fs); |
7810 |
gen_load_fpr32(fp1, ft); |
7811 |
gen_load_fpr32(fp2, fr); |
7812 |
gen_helper_float_muladd_s(fp2, fp0, fp1, fp2); |
7813 |
tcg_temp_free_i32(fp0); |
7814 |
tcg_temp_free_i32(fp1); |
7815 |
gen_store_fpr32(fp2, fd); |
7816 |
tcg_temp_free_i32(fp2); |
7817 |
} |
7818 |
opn = "madd.s";
|
7819 |
break;
|
7820 |
case OPC_MADD_D:
|
7821 |
check_cop1x(ctx); |
7822 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7823 |
{ |
7824 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7825 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7826 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7827 |
|
7828 |
gen_load_fpr64(ctx, fp0, fs); |
7829 |
gen_load_fpr64(ctx, fp1, ft); |
7830 |
gen_load_fpr64(ctx, fp2, fr); |
7831 |
gen_helper_float_muladd_d(fp2, fp0, fp1, fp2); |
7832 |
tcg_temp_free_i64(fp0); |
7833 |
tcg_temp_free_i64(fp1); |
7834 |
gen_store_fpr64(ctx, fp2, fd); |
7835 |
tcg_temp_free_i64(fp2); |
7836 |
} |
7837 |
opn = "madd.d";
|
7838 |
break;
|
7839 |
case OPC_MADD_PS:
|
7840 |
check_cp1_64bitmode(ctx); |
7841 |
{ |
7842 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7843 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7844 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7845 |
|
7846 |
gen_load_fpr64(ctx, fp0, fs); |
7847 |
gen_load_fpr64(ctx, fp1, ft); |
7848 |
gen_load_fpr64(ctx, fp2, fr); |
7849 |
gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2); |
7850 |
tcg_temp_free_i64(fp0); |
7851 |
tcg_temp_free_i64(fp1); |
7852 |
gen_store_fpr64(ctx, fp2, fd); |
7853 |
tcg_temp_free_i64(fp2); |
7854 |
} |
7855 |
opn = "madd.ps";
|
7856 |
break;
|
7857 |
case OPC_MSUB_S:
|
7858 |
check_cop1x(ctx); |
7859 |
{ |
7860 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7861 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7862 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7863 |
|
7864 |
gen_load_fpr32(fp0, fs); |
7865 |
gen_load_fpr32(fp1, ft); |
7866 |
gen_load_fpr32(fp2, fr); |
7867 |
gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2); |
7868 |
tcg_temp_free_i32(fp0); |
7869 |
tcg_temp_free_i32(fp1); |
7870 |
gen_store_fpr32(fp2, fd); |
7871 |
tcg_temp_free_i32(fp2); |
7872 |
} |
7873 |
opn = "msub.s";
|
7874 |
break;
|
7875 |
case OPC_MSUB_D:
|
7876 |
check_cop1x(ctx); |
7877 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7878 |
{ |
7879 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7880 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7881 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7882 |
|
7883 |
gen_load_fpr64(ctx, fp0, fs); |
7884 |
gen_load_fpr64(ctx, fp1, ft); |
7885 |
gen_load_fpr64(ctx, fp2, fr); |
7886 |
gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2); |
7887 |
tcg_temp_free_i64(fp0); |
7888 |
tcg_temp_free_i64(fp1); |
7889 |
gen_store_fpr64(ctx, fp2, fd); |
7890 |
tcg_temp_free_i64(fp2); |
7891 |
} |
7892 |
opn = "msub.d";
|
7893 |
break;
|
7894 |
case OPC_MSUB_PS:
|
7895 |
check_cp1_64bitmode(ctx); |
7896 |
{ |
7897 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7898 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7899 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7900 |
|
7901 |
gen_load_fpr64(ctx, fp0, fs); |
7902 |
gen_load_fpr64(ctx, fp1, ft); |
7903 |
gen_load_fpr64(ctx, fp2, fr); |
7904 |
gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2); |
7905 |
tcg_temp_free_i64(fp0); |
7906 |
tcg_temp_free_i64(fp1); |
7907 |
gen_store_fpr64(ctx, fp2, fd); |
7908 |
tcg_temp_free_i64(fp2); |
7909 |
} |
7910 |
opn = "msub.ps";
|
7911 |
break;
|
7912 |
case OPC_NMADD_S:
|
7913 |
check_cop1x(ctx); |
7914 |
{ |
7915 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7916 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7917 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7918 |
|
7919 |
gen_load_fpr32(fp0, fs); |
7920 |
gen_load_fpr32(fp1, ft); |
7921 |
gen_load_fpr32(fp2, fr); |
7922 |
gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2); |
7923 |
tcg_temp_free_i32(fp0); |
7924 |
tcg_temp_free_i32(fp1); |
7925 |
gen_store_fpr32(fp2, fd); |
7926 |
tcg_temp_free_i32(fp2); |
7927 |
} |
7928 |
opn = "nmadd.s";
|
7929 |
break;
|
7930 |
case OPC_NMADD_D:
|
7931 |
check_cop1x(ctx); |
7932 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7933 |
{ |
7934 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7935 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7936 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7937 |
|
7938 |
gen_load_fpr64(ctx, fp0, fs); |
7939 |
gen_load_fpr64(ctx, fp1, ft); |
7940 |
gen_load_fpr64(ctx, fp2, fr); |
7941 |
gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2); |
7942 |
tcg_temp_free_i64(fp0); |
7943 |
tcg_temp_free_i64(fp1); |
7944 |
gen_store_fpr64(ctx, fp2, fd); |
7945 |
tcg_temp_free_i64(fp2); |
7946 |
} |
7947 |
opn = "nmadd.d";
|
7948 |
break;
|
7949 |
case OPC_NMADD_PS:
|
7950 |
check_cp1_64bitmode(ctx); |
7951 |
{ |
7952 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7953 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7954 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7955 |
|
7956 |
gen_load_fpr64(ctx, fp0, fs); |
7957 |
gen_load_fpr64(ctx, fp1, ft); |
7958 |
gen_load_fpr64(ctx, fp2, fr); |
7959 |
gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2); |
7960 |
tcg_temp_free_i64(fp0); |
7961 |
tcg_temp_free_i64(fp1); |
7962 |
gen_store_fpr64(ctx, fp2, fd); |
7963 |
tcg_temp_free_i64(fp2); |
7964 |
} |
7965 |
opn = "nmadd.ps";
|
7966 |
break;
|
7967 |
case OPC_NMSUB_S:
|
7968 |
check_cop1x(ctx); |
7969 |
{ |
7970 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7971 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7972 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7973 |
|
7974 |
gen_load_fpr32(fp0, fs); |
7975 |
gen_load_fpr32(fp1, ft); |
7976 |
gen_load_fpr32(fp2, fr); |
7977 |
gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2); |
7978 |
tcg_temp_free_i32(fp0); |
7979 |
tcg_temp_free_i32(fp1); |
7980 |
gen_store_fpr32(fp2, fd); |
7981 |
tcg_temp_free_i32(fp2); |
7982 |
} |
7983 |
opn = "nmsub.s";
|
7984 |
break;
|
7985 |
case OPC_NMSUB_D:
|
7986 |
check_cop1x(ctx); |
7987 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7988 |
{ |
7989 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7990 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7991 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7992 |
|
7993 |
gen_load_fpr64(ctx, fp0, fs); |
7994 |
gen_load_fpr64(ctx, fp1, ft); |
7995 |
gen_load_fpr64(ctx, fp2, fr); |
7996 |
gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2); |
7997 |
tcg_temp_free_i64(fp0); |
7998 |
tcg_temp_free_i64(fp1); |
7999 |
gen_store_fpr64(ctx, fp2, fd); |
8000 |
tcg_temp_free_i64(fp2); |
8001 |
} |
8002 |
opn = "nmsub.d";
|
8003 |
break;
|
8004 |
case OPC_NMSUB_PS:
|
8005 |
check_cp1_64bitmode(ctx); |
8006 |
{ |
8007 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
8008 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
8009 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
8010 |
|
8011 |
gen_load_fpr64(ctx, fp0, fs); |
8012 |
gen_load_fpr64(ctx, fp1, ft); |
8013 |
gen_load_fpr64(ctx, fp2, fr); |
8014 |
gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2); |
8015 |
tcg_temp_free_i64(fp0); |
8016 |
tcg_temp_free_i64(fp1); |
8017 |
gen_store_fpr64(ctx, fp2, fd); |
8018 |
tcg_temp_free_i64(fp2); |
8019 |
} |
8020 |
opn = "nmsub.ps";
|
8021 |
break;
|
8022 |
default:
|
8023 |
MIPS_INVAL(opn); |
8024 |
generate_exception (ctx, EXCP_RI); |
8025 |
return;
|
8026 |
} |
8027 |
(void)opn; /* avoid a compiler warning */ |
8028 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
8029 |
fregnames[fs], fregnames[ft]); |
8030 |
} |
8031 |
|
8032 |
static void |
8033 |
gen_rdhwr (CPUState *env, DisasContext *ctx, int rt, int rd) |
8034 |
{ |
8035 |
TCGv t0; |
8036 |
|
8037 |
check_insn(env, ctx, ISA_MIPS32R2); |
8038 |
t0 = tcg_temp_new(); |
8039 |
|
8040 |
switch (rd) {
|
8041 |
case 0: |
8042 |
save_cpu_state(ctx, 1);
|
8043 |
gen_helper_rdhwr_cpunum(t0); |
8044 |
gen_store_gpr(t0, rt); |
8045 |
break;
|
8046 |
case 1: |
8047 |
save_cpu_state(ctx, 1);
|
8048 |
gen_helper_rdhwr_synci_step(t0); |
8049 |
gen_store_gpr(t0, rt); |
8050 |
break;
|
8051 |
case 2: |
8052 |
save_cpu_state(ctx, 1);
|
8053 |
gen_helper_rdhwr_cc(t0); |
8054 |
gen_store_gpr(t0, rt); |
8055 |
break;
|
8056 |
case 3: |
8057 |
save_cpu_state(ctx, 1);
|
8058 |
gen_helper_rdhwr_ccres(t0); |
8059 |
gen_store_gpr(t0, rt); |
8060 |
break;
|
8061 |
case 29: |
8062 |
#if defined(CONFIG_USER_ONLY)
|
8063 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); |
8064 |
gen_store_gpr(t0, rt); |
8065 |
break;
|
8066 |
#else
|
8067 |
/* XXX: Some CPUs implement this in hardware.
|
8068 |
Not supported yet. */
|
8069 |
#endif
|
8070 |
default: /* Invalid */ |
8071 |
MIPS_INVAL("rdhwr");
|
8072 |
generate_exception(ctx, EXCP_RI); |
8073 |
break;
|
8074 |
} |
8075 |
tcg_temp_free(t0); |
8076 |
} |
8077 |
|
8078 |
static void handle_delay_slot (CPUState *env, DisasContext *ctx, |
8079 |
int insn_bytes)
|
8080 |
{ |
8081 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
8082 |
int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
8083 |
/* Branches completion */
|
8084 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
8085 |
ctx->bstate = BS_BRANCH; |
8086 |
save_cpu_state(ctx, 0);
|
8087 |
/* FIXME: Need to clear can_do_io. */
|
8088 |
switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
|
8089 |
case MIPS_HFLAG_B:
|
8090 |
/* unconditional branch */
|
8091 |
MIPS_DEBUG("unconditional branch");
|
8092 |
if (proc_hflags & MIPS_HFLAG_BX) {
|
8093 |
tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16); |
8094 |
} |
8095 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
8096 |
break;
|
8097 |
case MIPS_HFLAG_BL:
|
8098 |
/* blikely taken case */
|
8099 |
MIPS_DEBUG("blikely branch taken");
|
8100 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
8101 |
break;
|
8102 |
case MIPS_HFLAG_BC:
|
8103 |
/* Conditional branch */
|
8104 |
MIPS_DEBUG("conditional branch");
|
8105 |
{ |
8106 |
int l1 = gen_new_label();
|
8107 |
|
8108 |
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
|
8109 |
gen_goto_tb(ctx, 1, ctx->pc + insn_bytes);
|
8110 |
gen_set_label(l1); |
8111 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
8112 |
} |
8113 |
break;
|
8114 |
case MIPS_HFLAG_BR:
|
8115 |
/* unconditional branch to register */
|
8116 |
MIPS_DEBUG("branch to register");
|
8117 |
if (env->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) {
|
8118 |
TCGv t0 = tcg_temp_new(); |
8119 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
8120 |
|
8121 |
tcg_gen_andi_tl(t0, btarget, 0x1);
|
8122 |
tcg_gen_trunc_tl_i32(t1, t0); |
8123 |
tcg_temp_free(t0); |
8124 |
tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16); |
8125 |
tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT); |
8126 |
tcg_gen_or_i32(hflags, hflags, t1); |
8127 |
tcg_temp_free_i32(t1); |
8128 |
|
8129 |
tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
|
8130 |
} else {
|
8131 |
tcg_gen_mov_tl(cpu_PC, btarget); |
8132 |
} |
8133 |
if (ctx->singlestep_enabled) {
|
8134 |
save_cpu_state(ctx, 0);
|
8135 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
8136 |
} |
8137 |
tcg_gen_exit_tb(0);
|
8138 |
break;
|
8139 |
default:
|
8140 |
MIPS_DEBUG("unknown branch");
|
8141 |
break;
|
8142 |
} |
8143 |
} |
8144 |
} |
8145 |
|
8146 |
/* ISA extensions (ASEs) */
|
8147 |
/* MIPS16 extension to MIPS32 */
|
8148 |
|
8149 |
/* MIPS16 major opcodes */
|
8150 |
enum {
|
8151 |
M16_OPC_ADDIUSP = 0x00,
|
8152 |
M16_OPC_ADDIUPC = 0x01,
|
8153 |
M16_OPC_B = 0x02,
|
8154 |
M16_OPC_JAL = 0x03,
|
8155 |
M16_OPC_BEQZ = 0x04,
|
8156 |
M16_OPC_BNEQZ = 0x05,
|
8157 |
M16_OPC_SHIFT = 0x06,
|
8158 |
M16_OPC_LD = 0x07,
|
8159 |
M16_OPC_RRIA = 0x08,
|
8160 |
M16_OPC_ADDIU8 = 0x09,
|
8161 |
M16_OPC_SLTI = 0x0a,
|
8162 |
M16_OPC_SLTIU = 0x0b,
|
8163 |
M16_OPC_I8 = 0x0c,
|
8164 |
M16_OPC_LI = 0x0d,
|
8165 |
M16_OPC_CMPI = 0x0e,
|
8166 |
M16_OPC_SD = 0x0f,
|
8167 |
M16_OPC_LB = 0x10,
|
8168 |
M16_OPC_LH = 0x11,
|
8169 |
M16_OPC_LWSP = 0x12,
|
8170 |
M16_OPC_LW = 0x13,
|
8171 |
M16_OPC_LBU = 0x14,
|
8172 |
M16_OPC_LHU = 0x15,
|
8173 |
M16_OPC_LWPC = 0x16,
|
8174 |
M16_OPC_LWU = 0x17,
|
8175 |
M16_OPC_SB = 0x18,
|
8176 |
M16_OPC_SH = 0x19,
|
8177 |
M16_OPC_SWSP = 0x1a,
|
8178 |
M16_OPC_SW = 0x1b,
|
8179 |
M16_OPC_RRR = 0x1c,
|
8180 |
M16_OPC_RR = 0x1d,
|
8181 |
M16_OPC_EXTEND = 0x1e,
|
8182 |
M16_OPC_I64 = 0x1f
|
8183 |
}; |
8184 |
|
8185 |
/* I8 funct field */
|
8186 |
enum {
|
8187 |
I8_BTEQZ = 0x0,
|
8188 |
I8_BTNEZ = 0x1,
|
8189 |
I8_SWRASP = 0x2,
|
8190 |
I8_ADJSP = 0x3,
|
8191 |
I8_SVRS = 0x4,
|
8192 |
I8_MOV32R = 0x5,
|
8193 |
I8_MOVR32 = 0x7
|
8194 |
}; |
8195 |
|
8196 |
/* RRR f field */
|
8197 |
enum {
|
8198 |
RRR_DADDU = 0x0,
|
8199 |
RRR_ADDU = 0x1,
|
8200 |
RRR_DSUBU = 0x2,
|
8201 |
RRR_SUBU = 0x3
|
8202 |
}; |
8203 |
|
8204 |
/* RR funct field */
|
8205 |
enum {
|
8206 |
RR_JR = 0x00,
|
8207 |
RR_SDBBP = 0x01,
|
8208 |
RR_SLT = 0x02,
|
8209 |
RR_SLTU = 0x03,
|
8210 |
RR_SLLV = 0x04,
|
8211 |
RR_BREAK = 0x05,
|
8212 |
RR_SRLV = 0x06,
|
8213 |
RR_SRAV = 0x07,
|
8214 |
RR_DSRL = 0x08,
|
8215 |
RR_CMP = 0x0a,
|
8216 |
RR_NEG = 0x0b,
|
8217 |
RR_AND = 0x0c,
|
8218 |
RR_OR = 0x0d,
|
8219 |
RR_XOR = 0x0e,
|
8220 |
RR_NOT = 0x0f,
|
8221 |
RR_MFHI = 0x10,
|
8222 |
RR_CNVT = 0x11,
|
8223 |
RR_MFLO = 0x12,
|
8224 |
RR_DSRA = 0x13,
|
8225 |
RR_DSLLV = 0x14,
|
8226 |
RR_DSRLV = 0x16,
|
8227 |
RR_DSRAV = 0x17,
|
8228 |
RR_MULT = 0x18,
|
8229 |
RR_MULTU = 0x19,
|
8230 |
RR_DIV = 0x1a,
|
8231 |
RR_DIVU = 0x1b,
|
8232 |
RR_DMULT = 0x1c,
|
8233 |
RR_DMULTU = 0x1d,
|
8234 |
RR_DDIV = 0x1e,
|
8235 |
RR_DDIVU = 0x1f
|
8236 |
}; |
8237 |
|
8238 |
/* I64 funct field */
|
8239 |
enum {
|
8240 |
I64_LDSP = 0x0,
|
8241 |
I64_SDSP = 0x1,
|
8242 |
I64_SDRASP = 0x2,
|
8243 |
I64_DADJSP = 0x3,
|
8244 |
I64_LDPC = 0x4,
|
8245 |
I64_DADDIU5 = 0x5,
|
8246 |
I64_DADDIUPC = 0x6,
|
8247 |
I64_DADDIUSP = 0x7
|
8248 |
}; |
8249 |
|
8250 |
/* RR ry field for CNVT */
|
8251 |
enum {
|
8252 |
RR_RY_CNVT_ZEB = 0x0,
|
8253 |
RR_RY_CNVT_ZEH = 0x1,
|
8254 |
RR_RY_CNVT_ZEW = 0x2,
|
8255 |
RR_RY_CNVT_SEB = 0x4,
|
8256 |
RR_RY_CNVT_SEH = 0x5,
|
8257 |
RR_RY_CNVT_SEW = 0x6,
|
8258 |
}; |
8259 |
|
8260 |
static int xlat (int r) |
8261 |
{ |
8262 |
static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; |
8263 |
|
8264 |
return map[r];
|
8265 |
} |
8266 |
|
8267 |
static void gen_mips16_save (DisasContext *ctx, |
8268 |
int xsregs, int aregs, |
8269 |
int do_ra, int do_s0, int do_s1, |
8270 |
int framesize)
|
8271 |
{ |
8272 |
TCGv t0 = tcg_temp_new(); |
8273 |
TCGv t1 = tcg_temp_new(); |
8274 |
int args, astatic;
|
8275 |
|
8276 |
switch (aregs) {
|
8277 |
case 0: |
8278 |
case 1: |
8279 |
case 2: |
8280 |
case 3: |
8281 |
case 11: |
8282 |
args = 0;
|
8283 |
break;
|
8284 |
case 4: |
8285 |
case 5: |
8286 |
case 6: |
8287 |
case 7: |
8288 |
args = 1;
|
8289 |
break;
|
8290 |
case 8: |
8291 |
case 9: |
8292 |
case 10: |
8293 |
args = 2;
|
8294 |
break;
|
8295 |
case 12: |
8296 |
case 13: |
8297 |
args = 3;
|
8298 |
break;
|
8299 |
case 14: |
8300 |
args = 4;
|
8301 |
break;
|
8302 |
default:
|
8303 |
generate_exception(ctx, EXCP_RI); |
8304 |
return;
|
8305 |
} |
8306 |
|
8307 |
switch (args) {
|
8308 |
case 4: |
8309 |
gen_base_offset_addr(ctx, t0, 29, 12); |
8310 |
gen_load_gpr(t1, 7);
|
8311 |
op_st_sw(t1, t0, ctx); |
8312 |
/* Fall through */
|
8313 |
case 3: |
8314 |
gen_base_offset_addr(ctx, t0, 29, 8); |
8315 |
gen_load_gpr(t1, 6);
|
8316 |
op_st_sw(t1, t0, ctx); |
8317 |
/* Fall through */
|
8318 |
case 2: |
8319 |
gen_base_offset_addr(ctx, t0, 29, 4); |
8320 |
gen_load_gpr(t1, 5);
|
8321 |
op_st_sw(t1, t0, ctx); |
8322 |
/* Fall through */
|
8323 |
case 1: |
8324 |
gen_base_offset_addr(ctx, t0, 29, 0); |
8325 |
gen_load_gpr(t1, 4);
|
8326 |
op_st_sw(t1, t0, ctx); |
8327 |
} |
8328 |
|
8329 |
gen_load_gpr(t0, 29);
|
8330 |
|
8331 |
#define DECR_AND_STORE(reg) do { \ |
8332 |
tcg_gen_subi_tl(t0, t0, 4); \
|
8333 |
gen_load_gpr(t1, reg); \ |
8334 |
op_st_sw(t1, t0, ctx); \ |
8335 |
} while (0) |
8336 |
|
8337 |
if (do_ra) {
|
8338 |
DECR_AND_STORE(31);
|
8339 |
} |
8340 |
|
8341 |
switch (xsregs) {
|
8342 |
case 7: |
8343 |
DECR_AND_STORE(30);
|
8344 |
/* Fall through */
|
8345 |
case 6: |
8346 |
DECR_AND_STORE(23);
|
8347 |
/* Fall through */
|
8348 |
case 5: |
8349 |
DECR_AND_STORE(22);
|
8350 |
/* Fall through */
|
8351 |
case 4: |
8352 |
DECR_AND_STORE(21);
|
8353 |
/* Fall through */
|
8354 |
case 3: |
8355 |
DECR_AND_STORE(20);
|
8356 |
/* Fall through */
|
8357 |
case 2: |
8358 |
DECR_AND_STORE(19);
|
8359 |
/* Fall through */
|
8360 |
case 1: |
8361 |
DECR_AND_STORE(18);
|
8362 |
} |
8363 |
|
8364 |
if (do_s1) {
|
8365 |
DECR_AND_STORE(17);
|
8366 |
} |
8367 |
if (do_s0) {
|
8368 |
DECR_AND_STORE(16);
|
8369 |
} |
8370 |
|
8371 |
switch (aregs) {
|
8372 |
case 0: |
8373 |
case 4: |
8374 |
case 8: |
8375 |
case 12: |
8376 |
case 14: |
8377 |
astatic = 0;
|
8378 |
break;
|
8379 |
case 1: |
8380 |
case 5: |
8381 |
case 9: |
8382 |
case 13: |
8383 |
astatic = 1;
|
8384 |
break;
|
8385 |
case 2: |
8386 |
case 6: |
8387 |
case 10: |
8388 |
astatic = 2;
|
8389 |
break;
|
8390 |
case 3: |
8391 |
case 7: |
8392 |
astatic = 3;
|
8393 |
break;
|
8394 |
case 11: |
8395 |
astatic = 4;
|
8396 |
break;
|
8397 |
default:
|
8398 |
generate_exception(ctx, EXCP_RI); |
8399 |
return;
|
8400 |
} |
8401 |
|
8402 |
if (astatic > 0) { |
8403 |
DECR_AND_STORE(7);
|
8404 |
if (astatic > 1) { |
8405 |
DECR_AND_STORE(6);
|
8406 |
if (astatic > 2) { |
8407 |
DECR_AND_STORE(5);
|
8408 |
if (astatic > 3) { |
8409 |
DECR_AND_STORE(4);
|
8410 |
} |
8411 |
} |
8412 |
} |
8413 |
} |
8414 |
#undef DECR_AND_STORE
|
8415 |
|
8416 |
tcg_gen_subi_tl(cpu_gpr[29], cpu_gpr[29], framesize); |
8417 |
tcg_temp_free(t0); |
8418 |
tcg_temp_free(t1); |
8419 |
} |
8420 |
|
8421 |
static void gen_mips16_restore (DisasContext *ctx, |
8422 |
int xsregs, int aregs, |
8423 |
int do_ra, int do_s0, int do_s1, |
8424 |
int framesize)
|
8425 |
{ |
8426 |
int astatic;
|
8427 |
TCGv t0 = tcg_temp_new(); |
8428 |
TCGv t1 = tcg_temp_new(); |
8429 |
|
8430 |
tcg_gen_addi_tl(t0, cpu_gpr[29], framesize);
|
8431 |
|
8432 |
#define DECR_AND_LOAD(reg) do { \ |
8433 |
tcg_gen_subi_tl(t0, t0, 4); \
|
8434 |
op_ld_lw(t1, t0, ctx); \ |
8435 |
gen_store_gpr(t1, reg); \ |
8436 |
} while (0) |
8437 |
|
8438 |
if (do_ra) {
|
8439 |
DECR_AND_LOAD(31);
|
8440 |
} |
8441 |
|
8442 |
switch (xsregs) {
|
8443 |
case 7: |
8444 |
DECR_AND_LOAD(30);
|
8445 |
/* Fall through */
|
8446 |
case 6: |
8447 |
DECR_AND_LOAD(23);
|
8448 |
/* Fall through */
|
8449 |
case 5: |
8450 |
DECR_AND_LOAD(22);
|
8451 |
/* Fall through */
|
8452 |
case 4: |
8453 |
DECR_AND_LOAD(21);
|
8454 |
/* Fall through */
|
8455 |
case 3: |
8456 |
DECR_AND_LOAD(20);
|
8457 |
/* Fall through */
|
8458 |
case 2: |
8459 |
DECR_AND_LOAD(19);
|
8460 |
/* Fall through */
|
8461 |
case 1: |
8462 |
DECR_AND_LOAD(18);
|
8463 |
} |
8464 |
|
8465 |
if (do_s1) {
|
8466 |
DECR_AND_LOAD(17);
|
8467 |
} |
8468 |
if (do_s0) {
|
8469 |
DECR_AND_LOAD(16);
|
8470 |
} |
8471 |
|
8472 |
switch (aregs) {
|
8473 |
case 0: |
8474 |
case 4: |
8475 |
case 8: |
8476 |
case 12: |
8477 |
case 14: |
8478 |
astatic = 0;
|
8479 |
break;
|
8480 |
case 1: |
8481 |
case 5: |
8482 |
case 9: |
8483 |
case 13: |
8484 |
astatic = 1;
|
8485 |
break;
|
8486 |
case 2: |
8487 |
case 6: |
8488 |
case 10: |
8489 |
astatic = 2;
|
8490 |
break;
|
8491 |
case 3: |
8492 |
case 7: |
8493 |
astatic = 3;
|
8494 |
break;
|
8495 |
case 11: |
8496 |
astatic = 4;
|
8497 |
break;
|
8498 |
default:
|
8499 |
generate_exception(ctx, EXCP_RI); |
8500 |
return;
|
8501 |
} |
8502 |
|
8503 |
if (astatic > 0) { |
8504 |
DECR_AND_LOAD(7);
|
8505 |
if (astatic > 1) { |
8506 |
DECR_AND_LOAD(6);
|
8507 |
if (astatic > 2) { |
8508 |
DECR_AND_LOAD(5);
|
8509 |
if (astatic > 3) { |
8510 |
DECR_AND_LOAD(4);
|
8511 |
} |
8512 |
} |
8513 |
} |
8514 |
} |
8515 |
#undef DECR_AND_LOAD
|
8516 |
|
8517 |
tcg_gen_addi_tl(cpu_gpr[29], cpu_gpr[29], framesize); |
8518 |
tcg_temp_free(t0); |
8519 |
tcg_temp_free(t1); |
8520 |
} |
8521 |
|
8522 |
static void gen_addiupc (DisasContext *ctx, int rx, int imm, |
8523 |
int is_64_bit, int extended) |
8524 |
{ |
8525 |
TCGv t0; |
8526 |
|
8527 |
if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
|
8528 |
generate_exception(ctx, EXCP_RI); |
8529 |
return;
|
8530 |
} |
8531 |
|
8532 |
t0 = tcg_temp_new(); |
8533 |
|
8534 |
tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); |
8535 |
tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); |
8536 |
if (!is_64_bit) {
|
8537 |
tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
8538 |
} |
8539 |
|
8540 |
tcg_temp_free(t0); |
8541 |
} |
8542 |
|
8543 |
#if defined(TARGET_MIPS64)
|
8544 |
static void decode_i64_mips16 (CPUState *env, DisasContext *ctx, |
8545 |
int ry, int funct, int16_t offset, |
8546 |
int extended)
|
8547 |
{ |
8548 |
switch (funct) {
|
8549 |
case I64_LDSP:
|
8550 |
check_mips_64(ctx); |
8551 |
offset = extended ? offset : offset << 3;
|
8552 |
gen_ld(env, ctx, OPC_LD, ry, 29, offset);
|
8553 |
break;
|
8554 |
case I64_SDSP:
|
8555 |
check_mips_64(ctx); |
8556 |
offset = extended ? offset : offset << 3;
|
8557 |
gen_st(ctx, OPC_SD, ry, 29, offset);
|
8558 |
break;
|
8559 |
case I64_SDRASP:
|
8560 |
check_mips_64(ctx); |
8561 |
offset = extended ? offset : (ctx->opcode & 0xff) << 3; |
8562 |
gen_st(ctx, OPC_SD, 31, 29, offset); |
8563 |
break;
|
8564 |
case I64_DADJSP:
|
8565 |
check_mips_64(ctx); |
8566 |
offset = extended ? offset : ((int8_t)ctx->opcode) << 3;
|
8567 |
gen_arith_imm(env, ctx, OPC_DADDIU, 29, 29, offset); |
8568 |
break;
|
8569 |
case I64_LDPC:
|
8570 |
if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
|
8571 |
generate_exception(ctx, EXCP_RI); |
8572 |
} else {
|
8573 |
offset = extended ? offset : offset << 3;
|
8574 |
gen_ld(env, ctx, OPC_LDPC, ry, 0, offset);
|
8575 |
} |
8576 |
break;
|
8577 |
case I64_DADDIU5:
|
8578 |
check_mips_64(ctx); |
8579 |
offset = extended ? offset : ((int8_t)(offset << 3)) >> 3; |
8580 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, ry, offset); |
8581 |
break;
|
8582 |
case I64_DADDIUPC:
|
8583 |
check_mips_64(ctx); |
8584 |
offset = extended ? offset : offset << 2;
|
8585 |
gen_addiupc(ctx, ry, offset, 1, extended);
|
8586 |
break;
|
8587 |
case I64_DADDIUSP:
|
8588 |
check_mips_64(ctx); |
8589 |
offset = extended ? offset : offset << 2;
|
8590 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, 29, offset);
|
8591 |
break;
|
8592 |
} |
8593 |
} |
8594 |
#endif
|
8595 |
|
8596 |
static int decode_extended_mips16_opc (CPUState *env, DisasContext *ctx, |
8597 |
int *is_branch)
|
8598 |
{ |
8599 |
int extend = lduw_code(ctx->pc + 2); |
8600 |
int op, rx, ry, funct, sa;
|
8601 |
int16_t imm, offset; |
8602 |
|
8603 |
ctx->opcode = (ctx->opcode << 16) | extend;
|
8604 |
op = (ctx->opcode >> 11) & 0x1f; |
8605 |
sa = (ctx->opcode >> 22) & 0x1f; |
8606 |
funct = (ctx->opcode >> 8) & 0x7; |
8607 |
rx = xlat((ctx->opcode >> 8) & 0x7); |
8608 |
ry = xlat((ctx->opcode >> 5) & 0x7); |
8609 |
offset = imm = (int16_t) (((ctx->opcode >> 16) & 0x1f) << 11 |
8610 |
| ((ctx->opcode >> 21) & 0x3f) << 5 |
8611 |
| (ctx->opcode & 0x1f));
|
8612 |
|
8613 |
/* The extended opcodes cleverly reuse the opcodes from their 16-bit
|
8614 |
counterparts. */
|
8615 |
switch (op) {
|
8616 |
case M16_OPC_ADDIUSP:
|
8617 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
|
8618 |
break;
|
8619 |
case M16_OPC_ADDIUPC:
|
8620 |
gen_addiupc(ctx, rx, imm, 0, 1); |
8621 |
break;
|
8622 |
case M16_OPC_B:
|
8623 |
gen_compute_branch(ctx, OPC_BEQ, 4, 0, 0, offset << 1); |
8624 |
/* No delay slot, so just process as a normal instruction */
|
8625 |
break;
|
8626 |
case M16_OPC_BEQZ:
|
8627 |
gen_compute_branch(ctx, OPC_BEQ, 4, rx, 0, offset << 1); |
8628 |
/* No delay slot, so just process as a normal instruction */
|
8629 |
break;
|
8630 |
case M16_OPC_BNEQZ:
|
8631 |
gen_compute_branch(ctx, OPC_BNE, 4, rx, 0, offset << 1); |
8632 |
/* No delay slot, so just process as a normal instruction */
|
8633 |
break;
|
8634 |
case M16_OPC_SHIFT:
|
8635 |
switch (ctx->opcode & 0x3) { |
8636 |
case 0x0: |
8637 |
gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); |
8638 |
break;
|
8639 |
case 0x1: |
8640 |
#if defined(TARGET_MIPS64)
|
8641 |
check_mips_64(ctx); |
8642 |
gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); |
8643 |
#else
|
8644 |
generate_exception(ctx, EXCP_RI); |
8645 |
#endif
|
8646 |
break;
|
8647 |
case 0x2: |
8648 |
gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); |
8649 |
break;
|
8650 |
case 0x3: |
8651 |
gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); |
8652 |
break;
|
8653 |
} |
8654 |
break;
|
8655 |
#if defined(TARGET_MIPS64)
|
8656 |
case M16_OPC_LD:
|
8657 |
check_mips_64(ctx); |
8658 |
gen_ld(env, ctx, OPC_LD, ry, rx, offset); |
8659 |
break;
|
8660 |
#endif
|
8661 |
case M16_OPC_RRIA:
|
8662 |
imm = ctx->opcode & 0xf;
|
8663 |
imm = imm | ((ctx->opcode >> 20) & 0x7f) << 4; |
8664 |
imm = imm | ((ctx->opcode >> 16) & 0xf) << 11; |
8665 |
imm = (int16_t) (imm << 1) >> 1; |
8666 |
if ((ctx->opcode >> 4) & 0x1) { |
8667 |
#if defined(TARGET_MIPS64)
|
8668 |
check_mips_64(ctx); |
8669 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); |
8670 |
#else
|
8671 |
generate_exception(ctx, EXCP_RI); |
8672 |
#endif
|
8673 |
} else {
|
8674 |
gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); |
8675 |
} |
8676 |
break;
|
8677 |
case M16_OPC_ADDIU8:
|
8678 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); |
8679 |
break;
|
8680 |
case M16_OPC_SLTI:
|
8681 |
gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
|
8682 |
break;
|
8683 |
case M16_OPC_SLTIU:
|
8684 |
gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
|
8685 |
break;
|
8686 |
case M16_OPC_I8:
|
8687 |
switch (funct) {
|
8688 |
case I8_BTEQZ:
|
8689 |
gen_compute_branch(ctx, OPC_BEQ, 4, 24, 0, offset << 1); |
8690 |
break;
|
8691 |
case I8_BTNEZ:
|
8692 |
gen_compute_branch(ctx, OPC_BNE, 4, 24, 0, offset << 1); |
8693 |
break;
|
8694 |
case I8_SWRASP:
|
8695 |
gen_st(ctx, OPC_SW, 31, 29, imm); |
8696 |
break;
|
8697 |
case I8_ADJSP:
|
8698 |
gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm); |
8699 |
break;
|
8700 |
case I8_SVRS:
|
8701 |
{ |
8702 |
int xsregs = (ctx->opcode >> 24) & 0x7; |
8703 |
int aregs = (ctx->opcode >> 16) & 0xf; |
8704 |
int do_ra = (ctx->opcode >> 6) & 0x1; |
8705 |
int do_s0 = (ctx->opcode >> 5) & 0x1; |
8706 |
int do_s1 = (ctx->opcode >> 4) & 0x1; |
8707 |
int framesize = (((ctx->opcode >> 20) & 0xf) << 4 |
8708 |
| (ctx->opcode & 0xf)) << 3; |
8709 |
|
8710 |
if (ctx->opcode & (1 << 7)) { |
8711 |
gen_mips16_save(ctx, xsregs, aregs, |
8712 |
do_ra, do_s0, do_s1, |
8713 |
framesize); |
8714 |
} else {
|
8715 |
gen_mips16_restore(ctx, xsregs, aregs, |
8716 |
do_ra, do_s0, do_s1, |
8717 |
framesize); |
8718 |
} |
8719 |
} |
8720 |
break;
|
8721 |
default:
|
8722 |
generate_exception(ctx, EXCP_RI); |
8723 |
break;
|
8724 |
} |
8725 |
break;
|
8726 |
case M16_OPC_LI:
|
8727 |
tcg_gen_movi_tl(cpu_gpr[rx], (uint16_t) imm); |
8728 |
break;
|
8729 |
case M16_OPC_CMPI:
|
8730 |
tcg_gen_xori_tl(cpu_gpr[24], cpu_gpr[rx], (uint16_t) imm);
|
8731 |
break;
|
8732 |
#if defined(TARGET_MIPS64)
|
8733 |
case M16_OPC_SD:
|
8734 |
gen_st(ctx, OPC_SD, ry, rx, offset); |
8735 |
break;
|
8736 |
#endif
|
8737 |
case M16_OPC_LB:
|
8738 |
gen_ld(env, ctx, OPC_LB, ry, rx, offset); |
8739 |
break;
|
8740 |
case M16_OPC_LH:
|
8741 |
gen_ld(env, ctx, OPC_LH, ry, rx, offset); |
8742 |
break;
|
8743 |
case M16_OPC_LWSP:
|
8744 |
gen_ld(env, ctx, OPC_LW, rx, 29, offset);
|
8745 |
break;
|
8746 |
case M16_OPC_LW:
|
8747 |
gen_ld(env, ctx, OPC_LW, ry, rx, offset); |
8748 |
break;
|
8749 |
case M16_OPC_LBU:
|
8750 |
gen_ld(env, ctx, OPC_LBU, ry, rx, offset); |
8751 |
break;
|
8752 |
case M16_OPC_LHU:
|
8753 |
gen_ld(env, ctx, OPC_LHU, ry, rx, offset); |
8754 |
break;
|
8755 |
case M16_OPC_LWPC:
|
8756 |
gen_ld(env, ctx, OPC_LWPC, rx, 0, offset);
|
8757 |
break;
|
8758 |
#if defined(TARGET_MIPS64)
|
8759 |
case M16_OPC_LWU:
|
8760 |
gen_ld(env, ctx, OPC_LWU, ry, rx, offset); |
8761 |
break;
|
8762 |
#endif
|
8763 |
case M16_OPC_SB:
|
8764 |
gen_st(ctx, OPC_SB, ry, rx, offset); |
8765 |
break;
|
8766 |
case M16_OPC_SH:
|
8767 |
gen_st(ctx, OPC_SH, ry, rx, offset); |
8768 |
break;
|
8769 |
case M16_OPC_SWSP:
|
8770 |
gen_st(ctx, OPC_SW, rx, 29, offset);
|
8771 |
break;
|
8772 |
case M16_OPC_SW:
|
8773 |
gen_st(ctx, OPC_SW, ry, rx, offset); |
8774 |
break;
|
8775 |
#if defined(TARGET_MIPS64)
|
8776 |
case M16_OPC_I64:
|
8777 |
decode_i64_mips16(env, ctx, ry, funct, offset, 1);
|
8778 |
break;
|
8779 |
#endif
|
8780 |
default:
|
8781 |
generate_exception(ctx, EXCP_RI); |
8782 |
break;
|
8783 |
} |
8784 |
|
8785 |
return 4; |
8786 |
} |
8787 |
|
8788 |
static int decode_mips16_opc (CPUState *env, DisasContext *ctx, |
8789 |
int *is_branch)
|
8790 |
{ |
8791 |
int rx, ry;
|
8792 |
int sa;
|
8793 |
int op, cnvt_op, op1, offset;
|
8794 |
int funct;
|
8795 |
int n_bytes;
|
8796 |
|
8797 |
op = (ctx->opcode >> 11) & 0x1f; |
8798 |
sa = (ctx->opcode >> 2) & 0x7; |
8799 |
sa = sa == 0 ? 8 : sa; |
8800 |
rx = xlat((ctx->opcode >> 8) & 0x7); |
8801 |
cnvt_op = (ctx->opcode >> 5) & 0x7; |
8802 |
ry = xlat((ctx->opcode >> 5) & 0x7); |
8803 |
op1 = offset = ctx->opcode & 0x1f;
|
8804 |
|
8805 |
n_bytes = 2;
|
8806 |
|
8807 |
switch (op) {
|
8808 |
case M16_OPC_ADDIUSP:
|
8809 |
{ |
8810 |
int16_t imm = ((uint8_t) ctx->opcode) << 2;
|
8811 |
|
8812 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
|
8813 |
} |
8814 |
break;
|
8815 |
case M16_OPC_ADDIUPC:
|
8816 |
gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0); |
8817 |
break;
|
8818 |
case M16_OPC_B:
|
8819 |
offset = (ctx->opcode & 0x7ff) << 1; |
8820 |
offset = (int16_t)(offset << 4) >> 4; |
8821 |
gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset); |
8822 |
/* No delay slot, so just process as a normal instruction */
|
8823 |
break;
|
8824 |
case M16_OPC_JAL:
|
8825 |
offset = lduw_code(ctx->pc + 2);
|
8826 |
offset = (((ctx->opcode & 0x1f) << 21) |
8827 |
| ((ctx->opcode >> 5) & 0x1f) << 16 |
8828 |
| offset) << 2;
|
8829 |
op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALXS : OPC_JALS; |
8830 |
gen_compute_branch(ctx, op, 4, rx, ry, offset);
|
8831 |
n_bytes = 4;
|
8832 |
*is_branch = 1;
|
8833 |
break;
|
8834 |
case M16_OPC_BEQZ:
|
8835 |
gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0, ((int8_t)ctx->opcode) << 1); |
8836 |
/* No delay slot, so just process as a normal instruction */
|
8837 |
break;
|
8838 |
case M16_OPC_BNEQZ:
|
8839 |
gen_compute_branch(ctx, OPC_BNE, 2, rx, 0, ((int8_t)ctx->opcode) << 1); |
8840 |
/* No delay slot, so just process as a normal instruction */
|
8841 |
break;
|
8842 |
case M16_OPC_SHIFT:
|
8843 |
switch (ctx->opcode & 0x3) { |
8844 |
case 0x0: |
8845 |
gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); |
8846 |
break;
|
8847 |
case 0x1: |
8848 |
#if defined(TARGET_MIPS64)
|
8849 |
check_mips_64(ctx); |
8850 |
gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); |
8851 |
#else
|
8852 |
generate_exception(ctx, EXCP_RI); |
8853 |
#endif
|
8854 |
break;
|
8855 |
case 0x2: |
8856 |
gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); |
8857 |
break;
|
8858 |
case 0x3: |
8859 |
gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); |
8860 |
break;
|
8861 |
} |
8862 |
break;
|
8863 |
#if defined(TARGET_MIPS64)
|
8864 |
case M16_OPC_LD:
|
8865 |
check_mips_64(ctx); |
8866 |
gen_ld(env, ctx, OPC_LD, ry, rx, offset << 3);
|
8867 |
break;
|
8868 |
#endif
|
8869 |
case M16_OPC_RRIA:
|
8870 |
{ |
8871 |
int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4; |
8872 |
|
8873 |
if ((ctx->opcode >> 4) & 1) { |
8874 |
#if defined(TARGET_MIPS64)
|
8875 |
check_mips_64(ctx); |
8876 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); |
8877 |
#else
|
8878 |
generate_exception(ctx, EXCP_RI); |
8879 |
#endif
|
8880 |
} else {
|
8881 |
gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); |
8882 |
} |
8883 |
} |
8884 |
break;
|
8885 |
case M16_OPC_ADDIU8:
|
8886 |
{ |
8887 |
int16_t imm = (int8_t) ctx->opcode; |
8888 |
|
8889 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); |
8890 |
} |
8891 |
break;
|
8892 |
case M16_OPC_SLTI:
|
8893 |
{ |
8894 |
int16_t imm = (uint8_t) ctx->opcode; |
8895 |
|
8896 |
gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
|
8897 |
} |
8898 |
break;
|
8899 |
case M16_OPC_SLTIU:
|
8900 |
{ |
8901 |
int16_t imm = (uint8_t) ctx->opcode; |
8902 |
|
8903 |
gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
|
8904 |
} |
8905 |
break;
|
8906 |
case M16_OPC_I8:
|
8907 |
{ |
8908 |
int reg32;
|
8909 |
|
8910 |
funct = (ctx->opcode >> 8) & 0x7; |
8911 |
switch (funct) {
|
8912 |
case I8_BTEQZ:
|
8913 |
gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0, |
8914 |
((int8_t)ctx->opcode) << 1);
|
8915 |
break;
|
8916 |
case I8_BTNEZ:
|
8917 |
gen_compute_branch(ctx, OPC_BNE, 2, 24, 0, |
8918 |
((int8_t)ctx->opcode) << 1);
|
8919 |
break;
|
8920 |
case I8_SWRASP:
|
8921 |
gen_st(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2); |
8922 |
break;
|
8923 |
case I8_ADJSP:
|
8924 |
gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, |
8925 |
((int8_t)ctx->opcode) << 3);
|
8926 |
break;
|
8927 |
case I8_SVRS:
|
8928 |
{ |
8929 |
int do_ra = ctx->opcode & (1 << 6); |
8930 |
int do_s0 = ctx->opcode & (1 << 5); |
8931 |
int do_s1 = ctx->opcode & (1 << 4); |
8932 |
int framesize = ctx->opcode & 0xf; |
8933 |
|
8934 |
if (framesize == 0) { |
8935 |
framesize = 128;
|
8936 |
} else {
|
8937 |
framesize = framesize << 3;
|
8938 |
} |
8939 |
|
8940 |
if (ctx->opcode & (1 << 7)) { |
8941 |
gen_mips16_save(ctx, 0, 0, |
8942 |
do_ra, do_s0, do_s1, framesize); |
8943 |
} else {
|
8944 |
gen_mips16_restore(ctx, 0, 0, |
8945 |
do_ra, do_s0, do_s1, framesize); |
8946 |
} |
8947 |
} |
8948 |
break;
|
8949 |
case I8_MOV32R:
|
8950 |
{ |
8951 |
int rz = xlat(ctx->opcode & 0x7); |
8952 |
|
8953 |
reg32 = (((ctx->opcode >> 3) & 0x3) << 3) | |
8954 |
((ctx->opcode >> 5) & 0x7); |
8955 |
gen_arith(env, ctx, OPC_ADDU, reg32, rz, 0);
|
8956 |
} |
8957 |
break;
|
8958 |
case I8_MOVR32:
|
8959 |
reg32 = ctx->opcode & 0x1f;
|
8960 |
gen_arith(env, ctx, OPC_ADDU, ry, reg32, 0);
|
8961 |
break;
|
8962 |
default:
|
8963 |
generate_exception(ctx, EXCP_RI); |
8964 |
break;
|
8965 |
} |
8966 |
} |
8967 |
break;
|
8968 |
case M16_OPC_LI:
|
8969 |
{ |
8970 |
int16_t imm = (uint8_t) ctx->opcode; |
8971 |
|
8972 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, 0, imm);
|
8973 |
} |
8974 |
break;
|
8975 |
case M16_OPC_CMPI:
|
8976 |
{ |
8977 |
int16_t imm = (uint8_t) ctx->opcode; |
8978 |
|
8979 |
gen_logic_imm(env, OPC_XORI, 24, rx, imm);
|
8980 |
} |
8981 |
break;
|
8982 |
#if defined(TARGET_MIPS64)
|
8983 |
case M16_OPC_SD:
|
8984 |
check_mips_64(ctx); |
8985 |
gen_st(ctx, OPC_SD, ry, rx, offset << 3);
|
8986 |
break;
|
8987 |
#endif
|
8988 |
case M16_OPC_LB:
|
8989 |
gen_ld(env, ctx, OPC_LB, ry, rx, offset); |
8990 |
break;
|
8991 |
case M16_OPC_LH:
|
8992 |
gen_ld(env, ctx, OPC_LH, ry, rx, offset << 1);
|
8993 |
break;
|
8994 |
case M16_OPC_LWSP:
|
8995 |
gen_ld(env, ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
8996 |
break;
|
8997 |
case M16_OPC_LW:
|
8998 |
gen_ld(env, ctx, OPC_LW, ry, rx, offset << 2);
|
8999 |
break;
|
9000 |
case M16_OPC_LBU:
|
9001 |
gen_ld(env, ctx, OPC_LBU, ry, rx, offset); |
9002 |
break;
|
9003 |
case M16_OPC_LHU:
|
9004 |
gen_ld(env, ctx, OPC_LHU, ry, rx, offset << 1);
|
9005 |
break;
|
9006 |
case M16_OPC_LWPC:
|
9007 |
gen_ld(env, ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2); |
9008 |
break;
|
9009 |
#if defined (TARGET_MIPS64)
|
9010 |
case M16_OPC_LWU:
|
9011 |
check_mips_64(ctx); |
9012 |
gen_ld(env, ctx, OPC_LWU, ry, rx, offset << 2);
|
9013 |
break;
|
9014 |
#endif
|
9015 |
case M16_OPC_SB:
|
9016 |
gen_st(ctx, OPC_SB, ry, rx, offset); |
9017 |
break;
|
9018 |
case M16_OPC_SH:
|
9019 |
gen_st(ctx, OPC_SH, ry, rx, offset << 1);
|
9020 |
break;
|
9021 |
case M16_OPC_SWSP:
|
9022 |
gen_st(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
9023 |
break;
|
9024 |
case M16_OPC_SW:
|
9025 |
gen_st(ctx, OPC_SW, ry, rx, offset << 2);
|
9026 |
break;
|
9027 |
case M16_OPC_RRR:
|
9028 |
{ |
9029 |
int rz = xlat((ctx->opcode >> 2) & 0x7); |
9030 |
int mips32_op;
|
9031 |
|
9032 |
switch (ctx->opcode & 0x3) { |
9033 |
case RRR_ADDU:
|
9034 |
mips32_op = OPC_ADDU; |
9035 |
break;
|
9036 |
case RRR_SUBU:
|
9037 |
mips32_op = OPC_SUBU; |
9038 |
break;
|
9039 |
#if defined(TARGET_MIPS64)
|
9040 |
case RRR_DADDU:
|
9041 |
mips32_op = OPC_DADDU; |
9042 |
check_mips_64(ctx); |
9043 |
break;
|
9044 |
case RRR_DSUBU:
|
9045 |
mips32_op = OPC_DSUBU; |
9046 |
check_mips_64(ctx); |
9047 |
break;
|
9048 |
#endif
|
9049 |
default:
|
9050 |
generate_exception(ctx, EXCP_RI); |
9051 |
goto done;
|
9052 |
} |
9053 |
|
9054 |
gen_arith(env, ctx, mips32_op, rz, rx, ry); |
9055 |
done:
|
9056 |
; |
9057 |
} |
9058 |
break;
|
9059 |
case M16_OPC_RR:
|
9060 |
switch (op1) {
|
9061 |
case RR_JR:
|
9062 |
{ |
9063 |
int nd = (ctx->opcode >> 7) & 0x1; |
9064 |
int link = (ctx->opcode >> 6) & 0x1; |
9065 |
int ra = (ctx->opcode >> 5) & 0x1; |
9066 |
|
9067 |
if (link) {
|
9068 |
op = nd ? OPC_JALRC : OPC_JALRS; |
9069 |
} else {
|
9070 |
op = OPC_JR; |
9071 |
} |
9072 |
|
9073 |
gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0); |
9074 |
if (!nd) {
|
9075 |
*is_branch = 1;
|
9076 |
} |
9077 |
} |
9078 |
break;
|
9079 |
case RR_SDBBP:
|
9080 |
/* XXX: not clear which exception should be raised
|
9081 |
* when in debug mode...
|
9082 |
*/
|
9083 |
check_insn(env, ctx, ISA_MIPS32); |
9084 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
9085 |
generate_exception(ctx, EXCP_DBp); |
9086 |
} else {
|
9087 |
generate_exception(ctx, EXCP_DBp); |
9088 |
} |
9089 |
break;
|
9090 |
case RR_SLT:
|
9091 |
gen_slt(env, OPC_SLT, 24, rx, ry);
|
9092 |
break;
|
9093 |
case RR_SLTU:
|
9094 |
gen_slt(env, OPC_SLTU, 24, rx, ry);
|
9095 |
break;
|
9096 |
case RR_BREAK:
|
9097 |
generate_exception(ctx, EXCP_BREAK); |
9098 |
break;
|
9099 |
case RR_SLLV:
|
9100 |
gen_shift(env, ctx, OPC_SLLV, ry, rx, ry); |
9101 |
break;
|
9102 |
case RR_SRLV:
|
9103 |
gen_shift(env, ctx, OPC_SRLV, ry, rx, ry); |
9104 |
break;
|
9105 |
case RR_SRAV:
|
9106 |
gen_shift(env, ctx, OPC_SRAV, ry, rx, ry); |
9107 |
break;
|
9108 |
#if defined (TARGET_MIPS64)
|
9109 |
case RR_DSRL:
|
9110 |
check_mips_64(ctx); |
9111 |
gen_shift_imm(env, ctx, OPC_DSRL, ry, ry, sa); |
9112 |
break;
|
9113 |
#endif
|
9114 |
case RR_CMP:
|
9115 |
gen_logic(env, OPC_XOR, 24, rx, ry);
|
9116 |
break;
|
9117 |
case RR_NEG:
|
9118 |
gen_arith(env, ctx, OPC_SUBU, rx, 0, ry);
|
9119 |
break;
|
9120 |
case RR_AND:
|
9121 |
gen_logic(env, OPC_AND, rx, rx, ry); |
9122 |
break;
|
9123 |
case RR_OR:
|
9124 |
gen_logic(env, OPC_OR, rx, rx, ry); |
9125 |
break;
|
9126 |
case RR_XOR:
|
9127 |
gen_logic(env, OPC_XOR, rx, rx, ry); |
9128 |
break;
|
9129 |
case RR_NOT:
|
9130 |
gen_logic(env, OPC_NOR, rx, ry, 0);
|
9131 |
break;
|
9132 |
case RR_MFHI:
|
9133 |
gen_HILO(ctx, OPC_MFHI, rx); |
9134 |
break;
|
9135 |
case RR_CNVT:
|
9136 |
switch (cnvt_op) {
|
9137 |
case RR_RY_CNVT_ZEB:
|
9138 |
tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
9139 |
break;
|
9140 |
case RR_RY_CNVT_ZEH:
|
9141 |
tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
9142 |
break;
|
9143 |
case RR_RY_CNVT_SEB:
|
9144 |
tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
9145 |
break;
|
9146 |
case RR_RY_CNVT_SEH:
|
9147 |
tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
9148 |
break;
|
9149 |
#if defined (TARGET_MIPS64)
|
9150 |
case RR_RY_CNVT_ZEW:
|
9151 |
check_mips_64(ctx); |
9152 |
tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
9153 |
break;
|
9154 |
case RR_RY_CNVT_SEW:
|
9155 |
check_mips_64(ctx); |
9156 |
tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
9157 |
break;
|
9158 |
#endif
|
9159 |
default:
|
9160 |
generate_exception(ctx, EXCP_RI); |
9161 |
break;
|
9162 |
} |
9163 |
break;
|
9164 |
case RR_MFLO:
|
9165 |
gen_HILO(ctx, OPC_MFLO, rx); |
9166 |
break;
|
9167 |
#if defined (TARGET_MIPS64)
|
9168 |
case RR_DSRA:
|
9169 |
check_mips_64(ctx); |
9170 |
gen_shift_imm(env, ctx, OPC_DSRA, ry, ry, sa); |
9171 |
break;
|
9172 |
case RR_DSLLV:
|
9173 |
check_mips_64(ctx); |
9174 |
gen_shift(env, ctx, OPC_DSLLV, ry, rx, ry); |
9175 |
break;
|
9176 |
case RR_DSRLV:
|
9177 |
check_mips_64(ctx); |
9178 |
gen_shift(env, ctx, OPC_DSRLV, ry, rx, ry); |
9179 |
break;
|
9180 |
case RR_DSRAV:
|
9181 |
check_mips_64(ctx); |
9182 |
gen_shift(env, ctx, OPC_DSRAV, ry, rx, ry); |
9183 |
break;
|
9184 |
#endif
|
9185 |
case RR_MULT:
|
9186 |
gen_muldiv(ctx, OPC_MULT, rx, ry); |
9187 |
break;
|
9188 |
case RR_MULTU:
|
9189 |
gen_muldiv(ctx, OPC_MULTU, rx, ry); |
9190 |
break;
|
9191 |
case RR_DIV:
|
9192 |
gen_muldiv(ctx, OPC_DIV, rx, ry); |
9193 |
break;
|
9194 |
case RR_DIVU:
|
9195 |
gen_muldiv(ctx, OPC_DIVU, rx, ry); |
9196 |
break;
|
9197 |
#if defined (TARGET_MIPS64)
|
9198 |
case RR_DMULT:
|
9199 |
check_mips_64(ctx); |
9200 |
gen_muldiv(ctx, OPC_DMULT, rx, ry); |
9201 |
break;
|
9202 |
case RR_DMULTU:
|
9203 |
check_mips_64(ctx); |
9204 |
gen_muldiv(ctx, OPC_DMULTU, rx, ry); |
9205 |
break;
|
9206 |
case RR_DDIV:
|
9207 |
check_mips_64(ctx); |
9208 |
gen_muldiv(ctx, OPC_DDIV, rx, ry); |
9209 |
break;
|
9210 |
case RR_DDIVU:
|
9211 |
check_mips_64(ctx); |
9212 |
gen_muldiv(ctx, OPC_DDIVU, rx, ry); |
9213 |
break;
|
9214 |
#endif
|
9215 |
default:
|
9216 |
generate_exception(ctx, EXCP_RI); |
9217 |
break;
|
9218 |
} |
9219 |
break;
|
9220 |
case M16_OPC_EXTEND:
|
9221 |
decode_extended_mips16_opc(env, ctx, is_branch); |
9222 |
n_bytes = 4;
|
9223 |
break;
|
9224 |
#if defined(TARGET_MIPS64)
|
9225 |
case M16_OPC_I64:
|
9226 |
funct = (ctx->opcode >> 8) & 0x7; |
9227 |
decode_i64_mips16(env, ctx, ry, funct, offset, 0);
|
9228 |
break;
|
9229 |
#endif
|
9230 |
default:
|
9231 |
generate_exception(ctx, EXCP_RI); |
9232 |
break;
|
9233 |
} |
9234 |
|
9235 |
return n_bytes;
|
9236 |
} |
9237 |
|
9238 |
/* microMIPS extension to MIPS32 */
|
9239 |
|
9240 |
/* microMIPS32 major opcodes */
|
9241 |
|
9242 |
enum {
|
9243 |
POOL32A = 0x00,
|
9244 |
POOL16A = 0x01,
|
9245 |
LBU16 = 0x02,
|
9246 |
MOVE16 = 0x03,
|
9247 |
ADDI32 = 0x04,
|
9248 |
LBU32 = 0x05,
|
9249 |
SB32 = 0x06,
|
9250 |
LB32 = 0x07,
|
9251 |
|
9252 |
POOL32B = 0x08,
|
9253 |
POOL16B = 0x09,
|
9254 |
LHU16 = 0x0a,
|
9255 |
ANDI16 = 0x0b,
|
9256 |
ADDIU32 = 0x0c,
|
9257 |
LHU32 = 0x0d,
|
9258 |
SH32 = 0x0e,
|
9259 |
LH32 = 0x0f,
|
9260 |
|
9261 |
POOL32I = 0x10,
|
9262 |
POOL16C = 0x11,
|
9263 |
LWSP16 = 0x12,
|
9264 |
POOL16D = 0x13,
|
9265 |
ORI32 = 0x14,
|
9266 |
POOL32F = 0x15,
|
9267 |
POOL32S = 0x16,
|
9268 |
DADDIU32 = 0x17,
|
9269 |
|
9270 |
POOL32C = 0x18,
|
9271 |
LWGP16 = 0x19,
|
9272 |
LW16 = 0x1a,
|
9273 |
POOL16E = 0x1b,
|
9274 |
XORI32 = 0x1c,
|
9275 |
JALS32 = 0x1d,
|
9276 |
ADDIUPC = 0x1e,
|
9277 |
POOL48A = 0x1f,
|
9278 |
|
9279 |
/* 0x20 is reserved */
|
9280 |
RES_20 = 0x20,
|
9281 |
POOL16F = 0x21,
|
9282 |
SB16 = 0x22,
|
9283 |
BEQZ16 = 0x23,
|
9284 |
SLTI32 = 0x24,
|
9285 |
BEQ32 = 0x25,
|
9286 |
SWC132 = 0x26,
|
9287 |
LWC132 = 0x27,
|
9288 |
|
9289 |
/* 0x28 and 0x29 are reserved */
|
9290 |
RES_28 = 0x28,
|
9291 |
RES_29 = 0x29,
|
9292 |
SH16 = 0x2a,
|
9293 |
BNEZ16 = 0x2b,
|
9294 |
SLTIU32 = 0x2c,
|
9295 |
BNE32 = 0x2d,
|
9296 |
SDC132 = 0x2e,
|
9297 |
LDC132 = 0x2f,
|
9298 |
|
9299 |
/* 0x30 and 0x31 are reserved */
|
9300 |
RES_30 = 0x30,
|
9301 |
RES_31 = 0x31,
|
9302 |
SWSP16 = 0x32,
|
9303 |
B16 = 0x33,
|
9304 |
ANDI32 = 0x34,
|
9305 |
J32 = 0x35,
|
9306 |
SD32 = 0x36,
|
9307 |
LD32 = 0x37,
|
9308 |
|
9309 |
/* 0x38 and 0x39 are reserved */
|
9310 |
RES_38 = 0x38,
|
9311 |
RES_39 = 0x39,
|
9312 |
SW16 = 0x3a,
|
9313 |
LI16 = 0x3b,
|
9314 |
JALX32 = 0x3c,
|
9315 |
JAL32 = 0x3d,
|
9316 |
SW32 = 0x3e,
|
9317 |
LW32 = 0x3f
|
9318 |
}; |
9319 |
|
9320 |
/* POOL32A encoding of minor opcode field */
|
9321 |
|
9322 |
enum {
|
9323 |
/* These opcodes are distinguished only by bits 9..6; those bits are
|
9324 |
* what are recorded below. */
|
9325 |
SLL32 = 0x0,
|
9326 |
SRL32 = 0x1,
|
9327 |
SRA = 0x2,
|
9328 |
ROTR = 0x3,
|
9329 |
|
9330 |
SLLV = 0x0,
|
9331 |
SRLV = 0x1,
|
9332 |
SRAV = 0x2,
|
9333 |
ROTRV = 0x3,
|
9334 |
ADD = 0x4,
|
9335 |
ADDU32 = 0x5,
|
9336 |
SUB = 0x6,
|
9337 |
SUBU32 = 0x7,
|
9338 |
MUL = 0x8,
|
9339 |
AND = 0x9,
|
9340 |
OR32 = 0xa,
|
9341 |
NOR = 0xb,
|
9342 |
XOR32 = 0xc,
|
9343 |
SLT = 0xd,
|
9344 |
SLTU = 0xe,
|
9345 |
|
9346 |
MOVN = 0x0,
|
9347 |
MOVZ = 0x1,
|
9348 |
LWXS = 0x4,
|
9349 |
|
9350 |
/* The following can be distinguished by their lower 6 bits. */
|
9351 |
INS = 0x0c,
|
9352 |
EXT = 0x2c,
|
9353 |
POOL32AXF = 0x3c
|
9354 |
}; |
9355 |
|
9356 |
/* POOL32AXF encoding of minor opcode field extension */
|
9357 |
|
9358 |
enum {
|
9359 |
/* bits 11..6 */
|
9360 |
TEQ = 0x00,
|
9361 |
TGE = 0x08,
|
9362 |
TGEU = 0x10,
|
9363 |
TLT = 0x20,
|
9364 |
TLTU = 0x28,
|
9365 |
TNE = 0x30,
|
9366 |
|
9367 |
MFC0 = 0x03,
|
9368 |
MTC0 = 0x0b,
|
9369 |
|
9370 |
/* bits 13..12 for 0x01 */
|
9371 |
MFHI_ACC = 0x0,
|
9372 |
MFLO_ACC = 0x1,
|
9373 |
MTHI_ACC = 0x2,
|
9374 |
MTLO_ACC = 0x3,
|
9375 |
|
9376 |
/* bits 13..12 for 0x2a */
|
9377 |
MADD_ACC = 0x0,
|
9378 |
MADDU_ACC = 0x1,
|
9379 |
MSUB_ACC = 0x2,
|
9380 |
MSUBU_ACC = 0x3,
|
9381 |
|
9382 |
/* bits 13..12 for 0x32 */
|
9383 |
MULT_ACC = 0x0,
|
9384 |
MULTU_ACC = 0x0,
|
9385 |
|
9386 |
/* bits 15..12 for 0x2c */
|
9387 |
SEB = 0x2,
|
9388 |
SEH = 0x3,
|
9389 |
CLO = 0x4,
|
9390 |
CLZ = 0x5,
|
9391 |
RDHWR = 0x6,
|
9392 |
WSBH = 0x7,
|
9393 |
MULT = 0x8,
|
9394 |
MULTU = 0x9,
|
9395 |
DIV = 0xa,
|
9396 |
DIVU = 0xb,
|
9397 |
MADD = 0xc,
|
9398 |
MADDU = 0xd,
|
9399 |
MSUB = 0xe,
|
9400 |
MSUBU = 0xf,
|
9401 |
|
9402 |
/* bits 15..12 for 0x34 */
|
9403 |
MFC2 = 0x4,
|
9404 |
MTC2 = 0x5,
|
9405 |
MFHC2 = 0x8,
|
9406 |
MTHC2 = 0x9,
|
9407 |
CFC2 = 0xc,
|
9408 |
CTC2 = 0xd,
|
9409 |
|
9410 |
/* bits 15..12 for 0x3c */
|
9411 |
JALR = 0x0,
|
9412 |
JR = 0x0, /* alias */ |
9413 |
JALR_HB = 0x1,
|
9414 |
JALRS = 0x4,
|
9415 |
JALRS_HB = 0x5,
|
9416 |
|
9417 |
/* bits 15..12 for 0x05 */
|
9418 |
RDPGPR = 0xe,
|
9419 |
WRPGPR = 0xf,
|
9420 |
|
9421 |
/* bits 15..12 for 0x0d */
|
9422 |
TLBP = 0x0,
|
9423 |
TLBR = 0x1,
|
9424 |
TLBWI = 0x2,
|
9425 |
TLBWR = 0x3,
|
9426 |
WAIT = 0x9,
|
9427 |
IRET = 0xd,
|
9428 |
DERET = 0xe,
|
9429 |
ERET = 0xf,
|
9430 |
|
9431 |
/* bits 15..12 for 0x15 */
|
9432 |
DMT = 0x0,
|
9433 |
DVPE = 0x1,
|
9434 |
EMT = 0x2,
|
9435 |
EVPE = 0x3,
|
9436 |
|
9437 |
/* bits 15..12 for 0x1d */
|
9438 |
DI = 0x4,
|
9439 |
EI = 0x5,
|
9440 |
|
9441 |
/* bits 15..12 for 0x2d */
|
9442 |
SYNC = 0x6,
|
9443 |
SYSCALL = 0x8,
|
9444 |
SDBBP = 0xd,
|
9445 |
|
9446 |
/* bits 15..12 for 0x35 */
|
9447 |
MFHI32 = 0x0,
|
9448 |
MFLO32 = 0x1,
|
9449 |
MTHI32 = 0x2,
|
9450 |
MTLO32 = 0x3,
|
9451 |
}; |
9452 |
|
9453 |
/* POOL32B encoding of minor opcode field (bits 15..12) */
|
9454 |
|
9455 |
enum {
|
9456 |
LWC2 = 0x0,
|
9457 |
LWP = 0x1,
|
9458 |
LDP = 0x4,
|
9459 |
LWM32 = 0x5,
|
9460 |
CACHE = 0x6,
|
9461 |
LDM = 0x7,
|
9462 |
SWC2 = 0x8,
|
9463 |
SWP = 0x9,
|
9464 |
SDP = 0xc,
|
9465 |
SWM32 = 0xd,
|
9466 |
SDM = 0xf
|
9467 |
}; |
9468 |
|
9469 |
/* POOL32C encoding of minor opcode field (bits 15..12) */
|
9470 |
|
9471 |
enum {
|
9472 |
LWL = 0x0,
|
9473 |
SWL = 0x8,
|
9474 |
LWR = 0x1,
|
9475 |
SWR = 0x9,
|
9476 |
PREF = 0x2,
|
9477 |
/* 0xa is reserved */
|
9478 |
LL = 0x3,
|
9479 |
SC = 0xb,
|
9480 |
LDL = 0x4,
|
9481 |
SDL = 0xc,
|
9482 |
LDR = 0x5,
|
9483 |
SDR = 0xd,
|
9484 |
/* 0x6 is reserved */
|
9485 |
LWU = 0xe,
|
9486 |
LLD = 0x7,
|
9487 |
SCD = 0xf
|
9488 |
}; |
9489 |
|
9490 |
/* POOL32F encoding of minor opcode field (bits 5..0) */
|
9491 |
|
9492 |
enum {
|
9493 |
/* These are the bit 7..6 values */
|
9494 |
ADD_FMT = 0x0,
|
9495 |
MOVN_FMT = 0x0,
|
9496 |
|
9497 |
SUB_FMT = 0x1,
|
9498 |
MOVZ_FMT = 0x1,
|
9499 |
|
9500 |
MUL_FMT = 0x2,
|
9501 |
|
9502 |
DIV_FMT = 0x3,
|
9503 |
|
9504 |
/* These are the bit 8..6 values */
|
9505 |
RSQRT2_FMT = 0x0,
|
9506 |
MOVF_FMT = 0x0,
|
9507 |
|
9508 |
LWXC1 = 0x1,
|
9509 |
MOVT_FMT = 0x1,
|
9510 |
|
9511 |
PLL_PS = 0x2,
|
9512 |
SWXC1 = 0x2,
|
9513 |
|
9514 |
PLU_PS = 0x3,
|
9515 |
LDXC1 = 0x3,
|
9516 |
|
9517 |
PUL_PS = 0x4,
|
9518 |
SDXC1 = 0x4,
|
9519 |
RECIP2_FMT = 0x4,
|
9520 |
|
9521 |
PUU_PS = 0x5,
|
9522 |
LUXC1 = 0x5,
|
9523 |
|
9524 |
CVT_PS_S = 0x6,
|
9525 |
SUXC1 = 0x6,
|
9526 |
ADDR_PS = 0x6,
|
9527 |
PREFX = 0x6,
|
9528 |
|
9529 |
MULR_PS = 0x7,
|
9530 |
|
9531 |
MADD_S = 0x01,
|
9532 |
MADD_D = 0x09,
|
9533 |
MADD_PS = 0x11,
|
9534 |
ALNV_PS = 0x19,
|
9535 |
MSUB_S = 0x21,
|
9536 |
MSUB_D = 0x29,
|
9537 |
MSUB_PS = 0x31,
|
9538 |
|
9539 |
NMADD_S = 0x02,
|
9540 |
NMADD_D = 0x0a,
|
9541 |
NMADD_PS = 0x12,
|
9542 |
NMSUB_S = 0x22,
|
9543 |
NMSUB_D = 0x2a,
|
9544 |
NMSUB_PS = 0x32,
|
9545 |
|
9546 |
POOL32FXF = 0x3b,
|
9547 |
|
9548 |
CABS_COND_FMT = 0x1c, /* MIPS3D */ |
9549 |
C_COND_FMT = 0x3c
|
9550 |
}; |
9551 |
|
9552 |
/* POOL32Fxf encoding of minor opcode extension field */
|
9553 |
|
9554 |
enum {
|
9555 |
CVT_L = 0x04,
|
9556 |
RSQRT_FMT = 0x08,
|
9557 |
FLOOR_L = 0x0c,
|
9558 |
CVT_PW_PS = 0x1c,
|
9559 |
CVT_W = 0x24,
|
9560 |
SQRT_FMT = 0x28,
|
9561 |
FLOOR_W = 0x2c,
|
9562 |
CVT_PS_PW = 0x3c,
|
9563 |
CFC1 = 0x40,
|
9564 |
RECIP_FMT = 0x48,
|
9565 |
CEIL_L = 0x4c,
|
9566 |
CTC1 = 0x60,
|
9567 |
CEIL_W = 0x6c,
|
9568 |
MFC1 = 0x80,
|
9569 |
CVT_S_PL = 0x84,
|
9570 |
TRUNC_L = 0x8c,
|
9571 |
MTC1 = 0xa0,
|
9572 |
CVT_S_PU = 0xa4,
|
9573 |
TRUNC_W = 0xac,
|
9574 |
MFHC1 = 0xc0,
|
9575 |
ROUND_L = 0xcc,
|
9576 |
MTHC1 = 0xe0,
|
9577 |
ROUND_W = 0xec,
|
9578 |
|
9579 |
MOV_FMT = 0x01,
|
9580 |
MOVF = 0x05,
|
9581 |
ABS_FMT = 0x0d,
|
9582 |
RSQRT1_FMT = 0x1d,
|
9583 |
MOVT = 0x25,
|
9584 |
NEG_FMT = 0x2d,
|
9585 |
CVT_D = 0x4d,
|
9586 |
RECIP1_FMT = 0x5d,
|
9587 |
CVT_S = 0x6d
|
9588 |
}; |
9589 |
|
9590 |
/* POOL32I encoding of minor opcode field (bits 25..21) */
|
9591 |
|
9592 |
enum {
|
9593 |
BLTZ = 0x00,
|
9594 |
BLTZAL = 0x01,
|
9595 |
BGEZ = 0x02,
|
9596 |
BGEZAL = 0x03,
|
9597 |
BLEZ = 0x04,
|
9598 |
BNEZC = 0x05,
|
9599 |
BGTZ = 0x06,
|
9600 |
BEQZC = 0x07,
|
9601 |
TLTI = 0x08,
|
9602 |
TGEI = 0x09,
|
9603 |
TLTIU = 0x0a,
|
9604 |
TGEIU = 0x0b,
|
9605 |
TNEI = 0x0c,
|
9606 |
LUI = 0x0d,
|
9607 |
TEQI = 0x0e,
|
9608 |
SYNCI = 0x10,
|
9609 |
BLTZALS = 0x11,
|
9610 |
BGEZALS = 0x13,
|
9611 |
BC2F = 0x14,
|
9612 |
BC2T = 0x15,
|
9613 |
BPOSGE64 = 0x1a,
|
9614 |
BPOSGE32 = 0x1b,
|
9615 |
/* These overlap and are distinguished by bit16 of the instruction */
|
9616 |
BC1F = 0x1c,
|
9617 |
BC1T = 0x1d,
|
9618 |
BC1ANY2F = 0x1c,
|
9619 |
BC1ANY2T = 0x1d,
|
9620 |
BC1ANY4F = 0x1e,
|
9621 |
BC1ANY4T = 0x1f
|
9622 |
}; |
9623 |
|
9624 |
/* POOL16A encoding of minor opcode field */
|
9625 |
|
9626 |
enum {
|
9627 |
ADDU16 = 0x0,
|
9628 |
SUBU16 = 0x1
|
9629 |
}; |
9630 |
|
9631 |
/* POOL16B encoding of minor opcode field */
|
9632 |
|
9633 |
enum {
|
9634 |
SLL16 = 0x0,
|
9635 |
SRL16 = 0x1
|
9636 |
}; |
9637 |
|
9638 |
/* POOL16C encoding of minor opcode field */
|
9639 |
|
9640 |
enum {
|
9641 |
NOT16 = 0x00,
|
9642 |
XOR16 = 0x04,
|
9643 |
AND16 = 0x08,
|
9644 |
OR16 = 0x0c,
|
9645 |
LWM16 = 0x10,
|
9646 |
SWM16 = 0x14,
|
9647 |
JR16 = 0x18,
|
9648 |
JRC16 = 0x1a,
|
9649 |
JALR16 = 0x1c,
|
9650 |
JALR16S = 0x1e,
|
9651 |
MFHI16 = 0x20,
|
9652 |
MFLO16 = 0x24,
|
9653 |
BREAK16 = 0x28,
|
9654 |
SDBBP16 = 0x2c,
|
9655 |
JRADDIUSP = 0x30
|
9656 |
}; |
9657 |
|
9658 |
/* POOL16D encoding of minor opcode field */
|
9659 |
|
9660 |
enum {
|
9661 |
ADDIUS5 = 0x0,
|
9662 |
ADDIUSP = 0x1
|
9663 |
}; |
9664 |
|
9665 |
/* POOL16E encoding of minor opcode field */
|
9666 |
|
9667 |
enum {
|
9668 |
ADDIUR2 = 0x0,
|
9669 |
ADDIUR1SP = 0x1
|
9670 |
}; |
9671 |
|
9672 |
static int mmreg (int r) |
9673 |
{ |
9674 |
static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; |
9675 |
|
9676 |
return map[r];
|
9677 |
} |
9678 |
|
9679 |
/* Used for 16-bit store instructions. */
|
9680 |
static int mmreg2 (int r) |
9681 |
{ |
9682 |
static const int map[] = { 0, 17, 2, 3, 4, 5, 6, 7 }; |
9683 |
|
9684 |
return map[r];
|
9685 |
} |
9686 |
|
9687 |
#define uMIPS_RD(op) ((op >> 7) & 0x7) |
9688 |
#define uMIPS_RS(op) ((op >> 4) & 0x7) |
9689 |
#define uMIPS_RS2(op) uMIPS_RS(op)
|
9690 |
#define uMIPS_RS1(op) ((op >> 1) & 0x7) |
9691 |
#define uMIPS_RD5(op) ((op >> 5) & 0x1f) |
9692 |
#define uMIPS_RS5(op) (op & 0x1f) |
9693 |
|
9694 |
/* Signed immediate */
|
9695 |
#define SIMM(op, start, width) \
|
9696 |
((int32_t)(((op >> start) & ((~0U) >> (32-width))) \ |
9697 |
<< (32-width)) \
|
9698 |
>> (32-width))
|
9699 |
/* Zero-extended immediate */
|
9700 |
#define ZIMM(op, start, width) ((op >> start) & ((~0U) >> (32-width))) |
9701 |
|
9702 |
static void gen_addiur1sp (CPUState *env, DisasContext *ctx) |
9703 |
{ |
9704 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
9705 |
|
9706 |
gen_arith_imm(env, ctx, OPC_ADDIU, rd, 29, ((ctx->opcode >> 1) & 0x3f) << 2); |
9707 |
} |
9708 |
|
9709 |
static void gen_addiur2 (CPUState *env, DisasContext *ctx) |
9710 |
{ |
9711 |
static const int decoded_imm[] = { 1, 4, 8, 12, 16, 20, 24, -1 }; |
9712 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
9713 |
int rs = mmreg(uMIPS_RS(ctx->opcode));
|
9714 |
|
9715 |
gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, decoded_imm[ZIMM(ctx->opcode, 1, 3)]); |
9716 |
} |
9717 |
|
9718 |
static void gen_addiusp (CPUState *env, DisasContext *ctx) |
9719 |
{ |
9720 |
int encoded = ZIMM(ctx->opcode, 1, 9); |
9721 |
int decoded;
|
9722 |
|
9723 |
if (encoded <= 1) { |
9724 |
decoded = 256 + encoded;
|
9725 |
} else if (encoded <= 255) { |
9726 |
decoded = encoded; |
9727 |
} else if (encoded <= 509) { |
9728 |
decoded = encoded - 512;
|
9729 |
} else {
|
9730 |
decoded = encoded - 768;
|
9731 |
} |
9732 |
|
9733 |
gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, decoded << 2); |
9734 |
} |
9735 |
|
9736 |
static void gen_addius5 (CPUState *env, DisasContext *ctx) |
9737 |
{ |
9738 |
int imm = SIMM(ctx->opcode, 1, 4); |
9739 |
int rd = (ctx->opcode >> 5) & 0x1f; |
9740 |
|
9741 |
gen_arith_imm(env, ctx, OPC_ADDIU, rd, rd, imm); |
9742 |
} |
9743 |
|
9744 |
static void gen_andi16 (CPUState *env, DisasContext *ctx) |
9745 |
{ |
9746 |
static const int decoded_imm[] = { 128, 1, 2, 3, 4, 7, 8, 15, 16, |
9747 |
31, 32, 63, 64, 255, 32768, 65535 }; |
9748 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
9749 |
int rs = mmreg(uMIPS_RS(ctx->opcode));
|
9750 |
int encoded = ZIMM(ctx->opcode, 0, 4); |
9751 |
|
9752 |
gen_logic_imm(env, OPC_ANDI, rd, rs, decoded_imm[encoded]); |
9753 |
} |
9754 |
|
9755 |
static void gen_ldst_multiple (DisasContext *ctx, uint32_t opc, int reglist, |
9756 |
int base, int16_t offset)
|
9757 |
{ |
9758 |
TCGv t0, t1; |
9759 |
TCGv_i32 t2; |
9760 |
|
9761 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
9762 |
generate_exception(ctx, EXCP_RI); |
9763 |
return;
|
9764 |
} |
9765 |
|
9766 |
t0 = tcg_temp_new(); |
9767 |
|
9768 |
gen_base_offset_addr(ctx, t0, base, offset); |
9769 |
|
9770 |
t1 = tcg_const_tl(reglist); |
9771 |
t2 = tcg_const_i32(ctx->mem_idx); |
9772 |
|
9773 |
save_cpu_state(ctx, 1);
|
9774 |
switch (opc) {
|
9775 |
case LWM32:
|
9776 |
gen_helper_lwm(t0, t1, t2); |
9777 |
break;
|
9778 |
case SWM32:
|
9779 |
gen_helper_swm(t0, t1, t2); |
9780 |
break;
|
9781 |
#ifdef TARGET_MIPS64
|
9782 |
case LDM:
|
9783 |
gen_helper_ldm(t0, t1, t2); |
9784 |
break;
|
9785 |
case SDM:
|
9786 |
gen_helper_sdm(t0, t1, t2); |
9787 |
break;
|
9788 |
#endif
|
9789 |
} |
9790 |
MIPS_DEBUG("%s, %x, %d(%s)", opn, reglist, offset, regnames[base]);
|
9791 |
tcg_temp_free(t0); |
9792 |
tcg_temp_free(t1); |
9793 |
tcg_temp_free_i32(t2); |
9794 |
} |
9795 |
|
9796 |
|
9797 |
static void gen_pool16c_insn (CPUState *env, DisasContext *ctx, int *is_branch) |
9798 |
{ |
9799 |
int rd = mmreg((ctx->opcode >> 3) & 0x7); |
9800 |
int rs = mmreg(ctx->opcode & 0x7); |
9801 |
int opc;
|
9802 |
|
9803 |
switch (((ctx->opcode) >> 4) & 0x3f) { |
9804 |
case NOT16 + 0: |
9805 |
case NOT16 + 1: |
9806 |
case NOT16 + 2: |
9807 |
case NOT16 + 3: |
9808 |
gen_logic(env, OPC_NOR, rd, rs, 0);
|
9809 |
break;
|
9810 |
case XOR16 + 0: |
9811 |
case XOR16 + 1: |
9812 |
case XOR16 + 2: |
9813 |
case XOR16 + 3: |
9814 |
gen_logic(env, OPC_XOR, rd, rd, rs); |
9815 |
break;
|
9816 |
case AND16 + 0: |
9817 |
case AND16 + 1: |
9818 |
case AND16 + 2: |
9819 |
case AND16 + 3: |
9820 |
gen_logic(env, OPC_AND, rd, rd, rs); |
9821 |
break;
|
9822 |
case OR16 + 0: |
9823 |
case OR16 + 1: |
9824 |
case OR16 + 2: |
9825 |
case OR16 + 3: |
9826 |
gen_logic(env, OPC_OR, rd, rd, rs); |
9827 |
break;
|
9828 |
case LWM16 + 0: |
9829 |
case LWM16 + 1: |
9830 |
case LWM16 + 2: |
9831 |
case LWM16 + 3: |
9832 |
{ |
9833 |
static const int lwm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; |
9834 |
int offset = ZIMM(ctx->opcode, 0, 4); |
9835 |
|
9836 |
gen_ldst_multiple(ctx, LWM32, lwm_convert[(ctx->opcode >> 4) & 0x3], |
9837 |
29, offset << 2); |
9838 |
} |
9839 |
break;
|
9840 |
case SWM16 + 0: |
9841 |
case SWM16 + 1: |
9842 |
case SWM16 + 2: |
9843 |
case SWM16 + 3: |
9844 |
{ |
9845 |
static const int swm_convert[] = { 0x11, 0x12, 0x13, 0x14 }; |
9846 |
int offset = ZIMM(ctx->opcode, 0, 4); |
9847 |
|
9848 |
gen_ldst_multiple(ctx, SWM32, swm_convert[(ctx->opcode >> 4) & 0x3], |
9849 |
29, offset << 2); |
9850 |
} |
9851 |
break;
|
9852 |
case JR16 + 0: |
9853 |
case JR16 + 1: |
9854 |
{ |
9855 |
int reg = ctx->opcode & 0x1f; |
9856 |
|
9857 |
gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); |
9858 |
} |
9859 |
*is_branch = 1;
|
9860 |
break;
|
9861 |
case JRC16 + 0: |
9862 |
case JRC16 + 1: |
9863 |
{ |
9864 |
int reg = ctx->opcode & 0x1f; |
9865 |
|
9866 |
gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0); |
9867 |
/* Let normal delay slot handling in our caller take us
|
9868 |
to the branch target. */
|
9869 |
} |
9870 |
break;
|
9871 |
case JALR16 + 0: |
9872 |
case JALR16 + 1: |
9873 |
opc = OPC_JALR; |
9874 |
goto do_jalr;
|
9875 |
case JALR16S + 0: |
9876 |
case JALR16S + 1: |
9877 |
opc = OPC_JALRS; |
9878 |
do_jalr:
|
9879 |
{ |
9880 |
int reg = ctx->opcode & 0x1f; |
9881 |
|
9882 |
gen_compute_branch(ctx, opc, 2, reg, 31, 0); |
9883 |
} |
9884 |
*is_branch = 1;
|
9885 |
break;
|
9886 |
case MFHI16 + 0: |
9887 |
case MFHI16 + 1: |
9888 |
gen_HILO(ctx, OPC_MFHI, uMIPS_RS5(ctx->opcode)); |
9889 |
break;
|
9890 |
case MFLO16 + 0: |
9891 |
case MFLO16 + 1: |
9892 |
gen_HILO(ctx, OPC_MFLO, uMIPS_RS5(ctx->opcode)); |
9893 |
break;
|
9894 |
case BREAK16:
|
9895 |
generate_exception(ctx, EXCP_BREAK); |
9896 |
break;
|
9897 |
case SDBBP16:
|
9898 |
/* XXX: not clear which exception should be raised
|
9899 |
* when in debug mode...
|
9900 |
*/
|
9901 |
check_insn(env, ctx, ISA_MIPS32); |
9902 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
9903 |
generate_exception(ctx, EXCP_DBp); |
9904 |
} else {
|
9905 |
generate_exception(ctx, EXCP_DBp); |
9906 |
} |
9907 |
break;
|
9908 |
case JRADDIUSP + 0: |
9909 |
case JRADDIUSP + 1: |
9910 |
{ |
9911 |
int imm = ZIMM(ctx->opcode, 0, 5); |
9912 |
|
9913 |
gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0); |
9914 |
gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm << 2); |
9915 |
/* Let normal delay slot handling in our caller take us
|
9916 |
to the branch target. */
|
9917 |
} |
9918 |
break;
|
9919 |
default:
|
9920 |
generate_exception(ctx, EXCP_RI); |
9921 |
break;
|
9922 |
} |
9923 |
} |
9924 |
|
9925 |
static void gen_ldxs (DisasContext *ctx, int base, int index, int rd) |
9926 |
{ |
9927 |
TCGv t0 = tcg_temp_new(); |
9928 |
TCGv t1 = tcg_temp_new(); |
9929 |
|
9930 |
gen_load_gpr(t0, base); |
9931 |
|
9932 |
if (index != 0) { |
9933 |
gen_load_gpr(t1, index); |
9934 |
tcg_gen_shli_tl(t1, t1, 2);
|
9935 |
gen_op_addr_add(ctx, t0, t1, t0); |
9936 |
} |
9937 |
|
9938 |
save_cpu_state(ctx, 0);
|
9939 |
op_ld_lw(t1, t0, ctx); |
9940 |
gen_store_gpr(t1, rd); |
9941 |
|
9942 |
tcg_temp_free(t0); |
9943 |
tcg_temp_free(t1); |
9944 |
} |
9945 |
|
9946 |
static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd, |
9947 |
int base, int16_t offset)
|
9948 |
{ |
9949 |
const char *opn = "ldst_pair"; |
9950 |
TCGv t0, t1; |
9951 |
|
9952 |
if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31 || rd == base) { |
9953 |
generate_exception(ctx, EXCP_RI); |
9954 |
return;
|
9955 |
} |
9956 |
|
9957 |
t0 = tcg_temp_new(); |
9958 |
t1 = tcg_temp_new(); |
9959 |
|
9960 |
gen_base_offset_addr(ctx, t0, base, offset); |
9961 |
|
9962 |
switch (opc) {
|
9963 |
case LWP:
|
9964 |
save_cpu_state(ctx, 0);
|
9965 |
op_ld_lw(t1, t0, ctx); |
9966 |
gen_store_gpr(t1, rd); |
9967 |
tcg_gen_movi_tl(t1, 4);
|
9968 |
gen_op_addr_add(ctx, t0, t0, t1); |
9969 |
op_ld_lw(t1, t0, ctx); |
9970 |
gen_store_gpr(t1, rd+1);
|
9971 |
opn = "lwp";
|
9972 |
break;
|
9973 |
case SWP:
|
9974 |
save_cpu_state(ctx, 0);
|
9975 |
gen_load_gpr(t1, rd); |
9976 |
op_st_sw(t1, t0, ctx); |
9977 |
tcg_gen_movi_tl(t1, 4);
|
9978 |
gen_op_addr_add(ctx, t0, t0, t1); |
9979 |
gen_load_gpr(t1, rd+1);
|
9980 |
op_st_sw(t1, t0, ctx); |
9981 |
opn = "swp";
|
9982 |
break;
|
9983 |
#ifdef TARGET_MIPS64
|
9984 |
case LDP:
|
9985 |
save_cpu_state(ctx, 0);
|
9986 |
op_ld_ld(t1, t0, ctx); |
9987 |
gen_store_gpr(t1, rd); |
9988 |
tcg_gen_movi_tl(t1, 8);
|
9989 |
gen_op_addr_add(ctx, t0, t0, t1); |
9990 |
op_ld_ld(t1, t0, ctx); |
9991 |
gen_store_gpr(t1, rd+1);
|
9992 |
opn = "ldp";
|
9993 |
break;
|
9994 |
case SDP:
|
9995 |
save_cpu_state(ctx, 0);
|
9996 |
gen_load_gpr(t1, rd); |
9997 |
op_st_sd(t1, t0, ctx); |
9998 |
tcg_gen_movi_tl(t1, 8);
|
9999 |
gen_op_addr_add(ctx, t0, t0, t1); |
10000 |
gen_load_gpr(t1, rd+1);
|
10001 |
op_st_sd(t1, t0, ctx); |
10002 |
opn = "sdp";
|
10003 |
break;
|
10004 |
#endif
|
10005 |
} |
10006 |
(void)opn; /* avoid a compiler warning */ |
10007 |
MIPS_DEBUG("%s, %s, %d(%s)", opn, regnames[rd], offset, regnames[base]);
|
10008 |
tcg_temp_free(t0); |
10009 |
tcg_temp_free(t1); |
10010 |
} |
10011 |
|
10012 |
static void gen_pool32axf (CPUState *env, DisasContext *ctx, int rt, int rs, |
10013 |
int *is_branch)
|
10014 |
{ |
10015 |
int extension = (ctx->opcode >> 6) & 0x3f; |
10016 |
int minor = (ctx->opcode >> 12) & 0xf; |
10017 |
uint32_t mips32_op; |
10018 |
|
10019 |
switch (extension) {
|
10020 |
case TEQ:
|
10021 |
mips32_op = OPC_TEQ; |
10022 |
goto do_trap;
|
10023 |
case TGE:
|
10024 |
mips32_op = OPC_TGE; |
10025 |
goto do_trap;
|
10026 |
case TGEU:
|
10027 |
mips32_op = OPC_TGEU; |
10028 |
goto do_trap;
|
10029 |
case TLT:
|
10030 |
mips32_op = OPC_TLT; |
10031 |
goto do_trap;
|
10032 |
case TLTU:
|
10033 |
mips32_op = OPC_TLTU; |
10034 |
goto do_trap;
|
10035 |
case TNE:
|
10036 |
mips32_op = OPC_TNE; |
10037 |
do_trap:
|
10038 |
gen_trap(ctx, mips32_op, rs, rt, -1);
|
10039 |
break;
|
10040 |
#ifndef CONFIG_USER_ONLY
|
10041 |
case MFC0:
|
10042 |
case MFC0 + 32: |
10043 |
if (rt == 0) { |
10044 |
/* Treat as NOP. */
|
10045 |
break;
|
10046 |
} |
10047 |
gen_mfc0(env, ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7); |
10048 |
break;
|
10049 |
case MTC0:
|
10050 |
case MTC0 + 32: |
10051 |
{ |
10052 |
TCGv t0 = tcg_temp_new(); |
10053 |
|
10054 |
gen_load_gpr(t0, rt); |
10055 |
gen_mtc0(env, ctx, t0, rs, (ctx->opcode >> 11) & 0x7); |
10056 |
tcg_temp_free(t0); |
10057 |
} |
10058 |
break;
|
10059 |
#endif
|
10060 |
case 0x2c: |
10061 |
switch (minor) {
|
10062 |
case SEB:
|
10063 |
gen_bshfl(ctx, OPC_SEB, rs, rt); |
10064 |
break;
|
10065 |
case SEH:
|
10066 |
gen_bshfl(ctx, OPC_SEH, rs, rt); |
10067 |
break;
|
10068 |
case CLO:
|
10069 |
mips32_op = OPC_CLO; |
10070 |
goto do_cl;
|
10071 |
case CLZ:
|
10072 |
mips32_op = OPC_CLZ; |
10073 |
do_cl:
|
10074 |
check_insn(env, ctx, ISA_MIPS32); |
10075 |
gen_cl(ctx, mips32_op, rt, rs); |
10076 |
break;
|
10077 |
case RDHWR:
|
10078 |
gen_rdhwr(env, ctx, rt, rs); |
10079 |
break;
|
10080 |
case WSBH:
|
10081 |
gen_bshfl(ctx, OPC_WSBH, rs, rt); |
10082 |
break;
|
10083 |
case MULT:
|
10084 |
mips32_op = OPC_MULT; |
10085 |
goto do_muldiv;
|
10086 |
case MULTU:
|
10087 |
mips32_op = OPC_MULTU; |
10088 |
goto do_muldiv;
|
10089 |
case DIV:
|
10090 |
mips32_op = OPC_DIV; |
10091 |
goto do_muldiv;
|
10092 |
case DIVU:
|
10093 |
mips32_op = OPC_DIVU; |
10094 |
goto do_muldiv;
|
10095 |
case MADD:
|
10096 |
mips32_op = OPC_MADD; |
10097 |
goto do_muldiv;
|
10098 |
case MADDU:
|
10099 |
mips32_op = OPC_MADDU; |
10100 |
goto do_muldiv;
|
10101 |
case MSUB:
|
10102 |
mips32_op = OPC_MSUB; |
10103 |
goto do_muldiv;
|
10104 |
case MSUBU:
|
10105 |
mips32_op = OPC_MSUBU; |
10106 |
do_muldiv:
|
10107 |
check_insn(env, ctx, ISA_MIPS32); |
10108 |
gen_muldiv(ctx, mips32_op, rs, rt); |
10109 |
break;
|
10110 |
default:
|
10111 |
goto pool32axf_invalid;
|
10112 |
} |
10113 |
break;
|
10114 |
case 0x34: |
10115 |
switch (minor) {
|
10116 |
case MFC2:
|
10117 |
case MTC2:
|
10118 |
case MFHC2:
|
10119 |
case MTHC2:
|
10120 |
case CFC2:
|
10121 |
case CTC2:
|
10122 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
10123 |
break;
|
10124 |
default:
|
10125 |
goto pool32axf_invalid;
|
10126 |
} |
10127 |
break;
|
10128 |
case 0x3c: |
10129 |
switch (minor) {
|
10130 |
case JALR:
|
10131 |
case JALR_HB:
|
10132 |
gen_compute_branch (ctx, OPC_JALR, 4, rs, rt, 0); |
10133 |
*is_branch = 1;
|
10134 |
break;
|
10135 |
case JALRS:
|
10136 |
case JALRS_HB:
|
10137 |
gen_compute_branch (ctx, OPC_JALRS, 4, rs, rt, 0); |
10138 |
*is_branch = 1;
|
10139 |
break;
|
10140 |
default:
|
10141 |
goto pool32axf_invalid;
|
10142 |
} |
10143 |
break;
|
10144 |
case 0x05: |
10145 |
switch (minor) {
|
10146 |
case RDPGPR:
|
10147 |
check_insn(env, ctx, ISA_MIPS32R2); |
10148 |
gen_load_srsgpr(rt, rs); |
10149 |
break;
|
10150 |
case WRPGPR:
|
10151 |
check_insn(env, ctx, ISA_MIPS32R2); |
10152 |
gen_store_srsgpr(rt, rs); |
10153 |
break;
|
10154 |
default:
|
10155 |
goto pool32axf_invalid;
|
10156 |
} |
10157 |
break;
|
10158 |
#ifndef CONFIG_USER_ONLY
|
10159 |
case 0x0d: |
10160 |
switch (minor) {
|
10161 |
case TLBP:
|
10162 |
mips32_op = OPC_TLBP; |
10163 |
goto do_cp0;
|
10164 |
case TLBR:
|
10165 |
mips32_op = OPC_TLBR; |
10166 |
goto do_cp0;
|
10167 |
case TLBWI:
|
10168 |
mips32_op = OPC_TLBWI; |
10169 |
goto do_cp0;
|
10170 |
case TLBWR:
|
10171 |
mips32_op = OPC_TLBWR; |
10172 |
goto do_cp0;
|
10173 |
case WAIT:
|
10174 |
mips32_op = OPC_WAIT; |
10175 |
goto do_cp0;
|
10176 |
case DERET:
|
10177 |
mips32_op = OPC_DERET; |
10178 |
goto do_cp0;
|
10179 |
case ERET:
|
10180 |
mips32_op = OPC_ERET; |
10181 |
do_cp0:
|
10182 |
gen_cp0(env, ctx, mips32_op, rt, rs); |
10183 |
break;
|
10184 |
default:
|
10185 |
goto pool32axf_invalid;
|
10186 |
} |
10187 |
break;
|
10188 |
case 0x1d: |
10189 |
switch (minor) {
|
10190 |
case DI:
|
10191 |
{ |
10192 |
TCGv t0 = tcg_temp_new(); |
10193 |
|
10194 |
save_cpu_state(ctx, 1);
|
10195 |
gen_helper_di(t0); |
10196 |
gen_store_gpr(t0, rs); |
10197 |
/* Stop translation as we may have switched the execution mode */
|
10198 |
ctx->bstate = BS_STOP; |
10199 |
tcg_temp_free(t0); |
10200 |
} |
10201 |
break;
|
10202 |
case EI:
|
10203 |
{ |
10204 |
TCGv t0 = tcg_temp_new(); |
10205 |
|
10206 |
save_cpu_state(ctx, 1);
|
10207 |
gen_helper_ei(t0); |
10208 |
gen_store_gpr(t0, rs); |
10209 |
/* Stop translation as we may have switched the execution mode */
|
10210 |
ctx->bstate = BS_STOP; |
10211 |
tcg_temp_free(t0); |
10212 |
} |
10213 |
break;
|
10214 |
default:
|
10215 |
goto pool32axf_invalid;
|
10216 |
} |
10217 |
break;
|
10218 |
#endif
|
10219 |
case 0x2d: |
10220 |
switch (minor) {
|
10221 |
case SYNC:
|
10222 |
/* NOP */
|
10223 |
break;
|
10224 |
case SYSCALL:
|
10225 |
generate_exception(ctx, EXCP_SYSCALL); |
10226 |
ctx->bstate = BS_STOP; |
10227 |
break;
|
10228 |
case SDBBP:
|
10229 |
check_insn(env, ctx, ISA_MIPS32); |
10230 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
10231 |
generate_exception(ctx, EXCP_DBp); |
10232 |
} else {
|
10233 |
generate_exception(ctx, EXCP_DBp); |
10234 |
} |
10235 |
break;
|
10236 |
default:
|
10237 |
goto pool32axf_invalid;
|
10238 |
} |
10239 |
break;
|
10240 |
case 0x35: |
10241 |
switch (minor) {
|
10242 |
case MFHI32:
|
10243 |
gen_HILO(ctx, OPC_MFHI, rs); |
10244 |
break;
|
10245 |
case MFLO32:
|
10246 |
gen_HILO(ctx, OPC_MFLO, rs); |
10247 |
break;
|
10248 |
case MTHI32:
|
10249 |
gen_HILO(ctx, OPC_MTHI, rs); |
10250 |
break;
|
10251 |
case MTLO32:
|
10252 |
gen_HILO(ctx, OPC_MTLO, rs); |
10253 |
break;
|
10254 |
default:
|
10255 |
goto pool32axf_invalid;
|
10256 |
} |
10257 |
break;
|
10258 |
default:
|
10259 |
pool32axf_invalid:
|
10260 |
MIPS_INVAL("pool32axf");
|
10261 |
generate_exception(ctx, EXCP_RI); |
10262 |
break;
|
10263 |
} |
10264 |
} |
10265 |
|
10266 |
/* Values for microMIPS fmt field. Variable-width, depending on which
|
10267 |
formats the instruction supports. */
|
10268 |
|
10269 |
enum {
|
10270 |
FMT_SD_S = 0,
|
10271 |
FMT_SD_D = 1,
|
10272 |
|
10273 |
FMT_SDPS_S = 0,
|
10274 |
FMT_SDPS_D = 1,
|
10275 |
FMT_SDPS_PS = 2,
|
10276 |
|
10277 |
FMT_SWL_S = 0,
|
10278 |
FMT_SWL_W = 1,
|
10279 |
FMT_SWL_L = 2,
|
10280 |
|
10281 |
FMT_DWL_D = 0,
|
10282 |
FMT_DWL_W = 1,
|
10283 |
FMT_DWL_L = 2
|
10284 |
}; |
10285 |
|
10286 |
static void gen_pool32fxf (CPUState *env, DisasContext *ctx, int rt, int rs) |
10287 |
{ |
10288 |
int extension = (ctx->opcode >> 6) & 0x3ff; |
10289 |
uint32_t mips32_op; |
10290 |
|
10291 |
#define FLOAT_1BIT_FMT(opc, fmt) (fmt << 8) | opc |
10292 |
#define FLOAT_2BIT_FMT(opc, fmt) (fmt << 7) | opc |
10293 |
#define COND_FLOAT_MOV(opc, cond) (cond << 7) | opc |
10294 |
|
10295 |
switch (extension) {
|
10296 |
case FLOAT_1BIT_FMT(CFC1, 0): |
10297 |
mips32_op = OPC_CFC1; |
10298 |
goto do_cp1;
|
10299 |
case FLOAT_1BIT_FMT(CTC1, 0): |
10300 |
mips32_op = OPC_CTC1; |
10301 |
goto do_cp1;
|
10302 |
case FLOAT_1BIT_FMT(MFC1, 0): |
10303 |
mips32_op = OPC_MFC1; |
10304 |
goto do_cp1;
|
10305 |
case FLOAT_1BIT_FMT(MTC1, 0): |
10306 |
mips32_op = OPC_MTC1; |
10307 |
goto do_cp1;
|
10308 |
case FLOAT_1BIT_FMT(MFHC1, 0): |
10309 |
mips32_op = OPC_MFHC1; |
10310 |
goto do_cp1;
|
10311 |
case FLOAT_1BIT_FMT(MTHC1, 0): |
10312 |
mips32_op = OPC_MTHC1; |
10313 |
do_cp1:
|
10314 |
gen_cp1(ctx, mips32_op, rt, rs); |
10315 |
break;
|
10316 |
|
10317 |
/* Reciprocal square root */
|
10318 |
case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_S):
|
10319 |
mips32_op = OPC_RSQRT_S; |
10320 |
goto do_unaryfp;
|
10321 |
case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_D):
|
10322 |
mips32_op = OPC_RSQRT_D; |
10323 |
goto do_unaryfp;
|
10324 |
|
10325 |
/* Square root */
|
10326 |
case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_S):
|
10327 |
mips32_op = OPC_SQRT_S; |
10328 |
goto do_unaryfp;
|
10329 |
case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_D):
|
10330 |
mips32_op = OPC_SQRT_D; |
10331 |
goto do_unaryfp;
|
10332 |
|
10333 |
/* Reciprocal */
|
10334 |
case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_S):
|
10335 |
mips32_op = OPC_RECIP_S; |
10336 |
goto do_unaryfp;
|
10337 |
case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_D):
|
10338 |
mips32_op = OPC_RECIP_D; |
10339 |
goto do_unaryfp;
|
10340 |
|
10341 |
/* Floor */
|
10342 |
case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_S):
|
10343 |
mips32_op = OPC_FLOOR_L_S; |
10344 |
goto do_unaryfp;
|
10345 |
case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_D):
|
10346 |
mips32_op = OPC_FLOOR_L_D; |
10347 |
goto do_unaryfp;
|
10348 |
case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_S):
|
10349 |
mips32_op = OPC_FLOOR_W_S; |
10350 |
goto do_unaryfp;
|
10351 |
case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_D):
|
10352 |
mips32_op = OPC_FLOOR_W_D; |
10353 |
goto do_unaryfp;
|
10354 |
|
10355 |
/* Ceiling */
|
10356 |
case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_S):
|
10357 |
mips32_op = OPC_CEIL_L_S; |
10358 |
goto do_unaryfp;
|
10359 |
case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_D):
|
10360 |
mips32_op = OPC_CEIL_L_D; |
10361 |
goto do_unaryfp;
|
10362 |
case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_S):
|
10363 |
mips32_op = OPC_CEIL_W_S; |
10364 |
goto do_unaryfp;
|
10365 |
case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_D):
|
10366 |
mips32_op = OPC_CEIL_W_D; |
10367 |
goto do_unaryfp;
|
10368 |
|
10369 |
/* Truncation */
|
10370 |
case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_S):
|
10371 |
mips32_op = OPC_TRUNC_L_S; |
10372 |
goto do_unaryfp;
|
10373 |
case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_D):
|
10374 |
mips32_op = OPC_TRUNC_L_D; |
10375 |
goto do_unaryfp;
|
10376 |
case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_S):
|
10377 |
mips32_op = OPC_TRUNC_W_S; |
10378 |
goto do_unaryfp;
|
10379 |
case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_D):
|
10380 |
mips32_op = OPC_TRUNC_W_D; |
10381 |
goto do_unaryfp;
|
10382 |
|
10383 |
/* Round */
|
10384 |
case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_S):
|
10385 |
mips32_op = OPC_ROUND_L_S; |
10386 |
goto do_unaryfp;
|
10387 |
case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_D):
|
10388 |
mips32_op = OPC_ROUND_L_D; |
10389 |
goto do_unaryfp;
|
10390 |
case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_S):
|
10391 |
mips32_op = OPC_ROUND_W_S; |
10392 |
goto do_unaryfp;
|
10393 |
case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_D):
|
10394 |
mips32_op = OPC_ROUND_W_D; |
10395 |
goto do_unaryfp;
|
10396 |
|
10397 |
/* Integer to floating-point conversion */
|
10398 |
case FLOAT_1BIT_FMT(CVT_L, FMT_SD_S):
|
10399 |
mips32_op = OPC_CVT_L_S; |
10400 |
goto do_unaryfp;
|
10401 |
case FLOAT_1BIT_FMT(CVT_L, FMT_SD_D):
|
10402 |
mips32_op = OPC_CVT_L_D; |
10403 |
goto do_unaryfp;
|
10404 |
case FLOAT_1BIT_FMT(CVT_W, FMT_SD_S):
|
10405 |
mips32_op = OPC_CVT_W_S; |
10406 |
goto do_unaryfp;
|
10407 |
case FLOAT_1BIT_FMT(CVT_W, FMT_SD_D):
|
10408 |
mips32_op = OPC_CVT_W_D; |
10409 |
goto do_unaryfp;
|
10410 |
|
10411 |
/* Paired-foo conversions */
|
10412 |
case FLOAT_1BIT_FMT(CVT_S_PL, 0): |
10413 |
mips32_op = OPC_CVT_S_PL; |
10414 |
goto do_unaryfp;
|
10415 |
case FLOAT_1BIT_FMT(CVT_S_PU, 0): |
10416 |
mips32_op = OPC_CVT_S_PU; |
10417 |
goto do_unaryfp;
|
10418 |
case FLOAT_1BIT_FMT(CVT_PW_PS, 0): |
10419 |
mips32_op = OPC_CVT_PW_PS; |
10420 |
goto do_unaryfp;
|
10421 |
case FLOAT_1BIT_FMT(CVT_PS_PW, 0): |
10422 |
mips32_op = OPC_CVT_PS_PW; |
10423 |
goto do_unaryfp;
|
10424 |
|
10425 |
/* Floating-point moves */
|
10426 |
case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_S):
|
10427 |
mips32_op = OPC_MOV_S; |
10428 |
goto do_unaryfp;
|
10429 |
case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_D):
|
10430 |
mips32_op = OPC_MOV_D; |
10431 |
goto do_unaryfp;
|
10432 |
case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_PS):
|
10433 |
mips32_op = OPC_MOV_PS; |
10434 |
goto do_unaryfp;
|
10435 |
|
10436 |
/* Absolute value */
|
10437 |
case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_S):
|
10438 |
mips32_op = OPC_ABS_S; |
10439 |
goto do_unaryfp;
|
10440 |
case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_D):
|
10441 |
mips32_op = OPC_ABS_D; |
10442 |
goto do_unaryfp;
|
10443 |
case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_PS):
|
10444 |
mips32_op = OPC_ABS_PS; |
10445 |
goto do_unaryfp;
|
10446 |
|
10447 |
/* Negation */
|
10448 |
case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_S):
|
10449 |
mips32_op = OPC_NEG_S; |
10450 |
goto do_unaryfp;
|
10451 |
case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_D):
|
10452 |
mips32_op = OPC_NEG_D; |
10453 |
goto do_unaryfp;
|
10454 |
case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_PS):
|
10455 |
mips32_op = OPC_NEG_PS; |
10456 |
goto do_unaryfp;
|
10457 |
|
10458 |
/* Reciprocal square root step */
|
10459 |
case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_S):
|
10460 |
mips32_op = OPC_RSQRT1_S; |
10461 |
goto do_unaryfp;
|
10462 |
case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_D):
|
10463 |
mips32_op = OPC_RSQRT1_D; |
10464 |
goto do_unaryfp;
|
10465 |
case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_PS):
|
10466 |
mips32_op = OPC_RSQRT1_PS; |
10467 |
goto do_unaryfp;
|
10468 |
|
10469 |
/* Reciprocal step */
|
10470 |
case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_S):
|
10471 |
mips32_op = OPC_RECIP1_S; |
10472 |
goto do_unaryfp;
|
10473 |
case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_D):
|
10474 |
mips32_op = OPC_RECIP1_S; |
10475 |
goto do_unaryfp;
|
10476 |
case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_PS):
|
10477 |
mips32_op = OPC_RECIP1_PS; |
10478 |
goto do_unaryfp;
|
10479 |
|
10480 |
/* Conversions from double */
|
10481 |
case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_S):
|
10482 |
mips32_op = OPC_CVT_D_S; |
10483 |
goto do_unaryfp;
|
10484 |
case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_W):
|
10485 |
mips32_op = OPC_CVT_D_W; |
10486 |
goto do_unaryfp;
|
10487 |
case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_L):
|
10488 |
mips32_op = OPC_CVT_D_L; |
10489 |
goto do_unaryfp;
|
10490 |
|
10491 |
/* Conversions from single */
|
10492 |
case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_D):
|
10493 |
mips32_op = OPC_CVT_S_D; |
10494 |
goto do_unaryfp;
|
10495 |
case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_W):
|
10496 |
mips32_op = OPC_CVT_S_W; |
10497 |
goto do_unaryfp;
|
10498 |
case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_L):
|
10499 |
mips32_op = OPC_CVT_S_L; |
10500 |
do_unaryfp:
|
10501 |
gen_farith(ctx, mips32_op, -1, rs, rt, 0); |
10502 |
break;
|
10503 |
|
10504 |
/* Conditional moves on floating-point codes */
|
10505 |
case COND_FLOAT_MOV(MOVT, 0): |
10506 |
case COND_FLOAT_MOV(MOVT, 1): |
10507 |
case COND_FLOAT_MOV(MOVT, 2): |
10508 |
case COND_FLOAT_MOV(MOVT, 3): |
10509 |
case COND_FLOAT_MOV(MOVT, 4): |
10510 |
case COND_FLOAT_MOV(MOVT, 5): |
10511 |
case COND_FLOAT_MOV(MOVT, 6): |
10512 |
case COND_FLOAT_MOV(MOVT, 7): |
10513 |
gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 1); |
10514 |
break;
|
10515 |
case COND_FLOAT_MOV(MOVF, 0): |
10516 |
case COND_FLOAT_MOV(MOVF, 1): |
10517 |
case COND_FLOAT_MOV(MOVF, 2): |
10518 |
case COND_FLOAT_MOV(MOVF, 3): |
10519 |
case COND_FLOAT_MOV(MOVF, 4): |
10520 |
case COND_FLOAT_MOV(MOVF, 5): |
10521 |
case COND_FLOAT_MOV(MOVF, 6): |
10522 |
case COND_FLOAT_MOV(MOVF, 7): |
10523 |
gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 0); |
10524 |
break;
|
10525 |
default:
|
10526 |
MIPS_INVAL("pool32fxf");
|
10527 |
generate_exception(ctx, EXCP_RI); |
10528 |
break;
|
10529 |
} |
10530 |
} |
10531 |
|
10532 |
static void decode_micromips32_opc (CPUState *env, DisasContext *ctx, |
10533 |
uint16_t insn_hw1, int *is_branch)
|
10534 |
{ |
10535 |
int32_t offset; |
10536 |
uint16_t insn; |
10537 |
int rt, rs, rd, rr;
|
10538 |
int16_t imm; |
10539 |
uint32_t op, minor, mips32_op; |
10540 |
uint32_t cond, fmt, cc; |
10541 |
|
10542 |
insn = lduw_code(ctx->pc + 2);
|
10543 |
ctx->opcode = (ctx->opcode << 16) | insn;
|
10544 |
|
10545 |
rt = (ctx->opcode >> 21) & 0x1f; |
10546 |
rs = (ctx->opcode >> 16) & 0x1f; |
10547 |
rd = (ctx->opcode >> 11) & 0x1f; |
10548 |
rr = (ctx->opcode >> 6) & 0x1f; |
10549 |
imm = (int16_t) ctx->opcode; |
10550 |
|
10551 |
op = (ctx->opcode >> 26) & 0x3f; |
10552 |
switch (op) {
|
10553 |
case POOL32A:
|
10554 |
minor = ctx->opcode & 0x3f;
|
10555 |
switch (minor) {
|
10556 |
case 0x00: |
10557 |
minor = (ctx->opcode >> 6) & 0xf; |
10558 |
switch (minor) {
|
10559 |
case SLL32:
|
10560 |
mips32_op = OPC_SLL; |
10561 |
goto do_shifti;
|
10562 |
case SRA:
|
10563 |
mips32_op = OPC_SRA; |
10564 |
goto do_shifti;
|
10565 |
case SRL32:
|
10566 |
mips32_op = OPC_SRL; |
10567 |
goto do_shifti;
|
10568 |
case ROTR:
|
10569 |
mips32_op = OPC_ROTR; |
10570 |
do_shifti:
|
10571 |
gen_shift_imm(env, ctx, mips32_op, rt, rs, rd); |
10572 |
break;
|
10573 |
default:
|
10574 |
goto pool32a_invalid;
|
10575 |
} |
10576 |
break;
|
10577 |
case 0x10: |
10578 |
minor = (ctx->opcode >> 6) & 0xf; |
10579 |
switch (minor) {
|
10580 |
/* Arithmetic */
|
10581 |
case ADD:
|
10582 |
mips32_op = OPC_ADD; |
10583 |
goto do_arith;
|
10584 |
case ADDU32:
|
10585 |
mips32_op = OPC_ADDU; |
10586 |
goto do_arith;
|
10587 |
case SUB:
|
10588 |
mips32_op = OPC_SUB; |
10589 |
goto do_arith;
|
10590 |
case SUBU32:
|
10591 |
mips32_op = OPC_SUBU; |
10592 |
goto do_arith;
|
10593 |
case MUL:
|
10594 |
mips32_op = OPC_MUL; |
10595 |
do_arith:
|
10596 |
gen_arith(env, ctx, mips32_op, rd, rs, rt); |
10597 |
break;
|
10598 |
/* Shifts */
|
10599 |
case SLLV:
|
10600 |
mips32_op = OPC_SLLV; |
10601 |
goto do_shift;
|
10602 |
case SRLV:
|
10603 |
mips32_op = OPC_SRLV; |
10604 |
goto do_shift;
|
10605 |
case SRAV:
|
10606 |
mips32_op = OPC_SRAV; |
10607 |
goto do_shift;
|
10608 |
case ROTRV:
|
10609 |
mips32_op = OPC_ROTRV; |
10610 |
do_shift:
|
10611 |
gen_shift(env, ctx, mips32_op, rd, rs, rt); |
10612 |
break;
|
10613 |
/* Logical operations */
|
10614 |
case AND:
|
10615 |
mips32_op = OPC_AND; |
10616 |
goto do_logic;
|
10617 |
case OR32:
|
10618 |
mips32_op = OPC_OR; |
10619 |
goto do_logic;
|
10620 |
case NOR:
|
10621 |
mips32_op = OPC_NOR; |
10622 |
goto do_logic;
|
10623 |
case XOR32:
|
10624 |
mips32_op = OPC_XOR; |
10625 |
do_logic:
|
10626 |
gen_logic(env, mips32_op, rd, rs, rt); |
10627 |
break;
|
10628 |
/* Set less than */
|
10629 |
case SLT:
|
10630 |
mips32_op = OPC_SLT; |
10631 |
goto do_slt;
|
10632 |
case SLTU:
|
10633 |
mips32_op = OPC_SLTU; |
10634 |
do_slt:
|
10635 |
gen_slt(env, mips32_op, rd, rs, rt); |
10636 |
break;
|
10637 |
default:
|
10638 |
goto pool32a_invalid;
|
10639 |
} |
10640 |
break;
|
10641 |
case 0x18: |
10642 |
minor = (ctx->opcode >> 6) & 0xf; |
10643 |
switch (minor) {
|
10644 |
/* Conditional moves */
|
10645 |
case MOVN:
|
10646 |
mips32_op = OPC_MOVN; |
10647 |
goto do_cmov;
|
10648 |
case MOVZ:
|
10649 |
mips32_op = OPC_MOVZ; |
10650 |
do_cmov:
|
10651 |
gen_cond_move(env, mips32_op, rd, rs, rt); |
10652 |
break;
|
10653 |
case LWXS:
|
10654 |
gen_ldxs(ctx, rs, rt, rd); |
10655 |
break;
|
10656 |
default:
|
10657 |
goto pool32a_invalid;
|
10658 |
} |
10659 |
break;
|
10660 |
case INS:
|
10661 |
gen_bitops(ctx, OPC_INS, rt, rs, rr, rd); |
10662 |
return;
|
10663 |
case EXT:
|
10664 |
gen_bitops(ctx, OPC_EXT, rt, rs, rr, rd); |
10665 |
return;
|
10666 |
case POOL32AXF:
|
10667 |
gen_pool32axf(env, ctx, rt, rs, is_branch); |
10668 |
break;
|
10669 |
case 0x07: |
10670 |
generate_exception(ctx, EXCP_BREAK); |
10671 |
break;
|
10672 |
default:
|
10673 |
pool32a_invalid:
|
10674 |
MIPS_INVAL("pool32a");
|
10675 |
generate_exception(ctx, EXCP_RI); |
10676 |
break;
|
10677 |
} |
10678 |
break;
|
10679 |
case POOL32B:
|
10680 |
minor = (ctx->opcode >> 12) & 0xf; |
10681 |
switch (minor) {
|
10682 |
case CACHE:
|
10683 |
/* Treat as no-op. */
|
10684 |
break;
|
10685 |
case LWC2:
|
10686 |
case SWC2:
|
10687 |
/* COP2: Not implemented. */
|
10688 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
10689 |
break;
|
10690 |
case LWP:
|
10691 |
case SWP:
|
10692 |
#ifdef TARGET_MIPS64
|
10693 |
case LDP:
|
10694 |
case SDP:
|
10695 |
#endif
|
10696 |
gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); |
10697 |
break;
|
10698 |
case LWM32:
|
10699 |
case SWM32:
|
10700 |
#ifdef TARGET_MIPS64
|
10701 |
case LDM:
|
10702 |
case SDM:
|
10703 |
#endif
|
10704 |
gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12)); |
10705 |
break;
|
10706 |
default:
|
10707 |
MIPS_INVAL("pool32b");
|
10708 |
generate_exception(ctx, EXCP_RI); |
10709 |
break;
|
10710 |
} |
10711 |
break;
|
10712 |
case POOL32F:
|
10713 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
10714 |
minor = ctx->opcode & 0x3f;
|
10715 |
check_cp1_enabled(ctx); |
10716 |
switch (minor) {
|
10717 |
case ALNV_PS:
|
10718 |
mips32_op = OPC_ALNV_PS; |
10719 |
goto do_madd;
|
10720 |
case MADD_S:
|
10721 |
mips32_op = OPC_MADD_S; |
10722 |
goto do_madd;
|
10723 |
case MADD_D:
|
10724 |
mips32_op = OPC_MADD_D; |
10725 |
goto do_madd;
|
10726 |
case MADD_PS:
|
10727 |
mips32_op = OPC_MADD_PS; |
10728 |
goto do_madd;
|
10729 |
case MSUB_S:
|
10730 |
mips32_op = OPC_MSUB_S; |
10731 |
goto do_madd;
|
10732 |
case MSUB_D:
|
10733 |
mips32_op = OPC_MSUB_D; |
10734 |
goto do_madd;
|
10735 |
case MSUB_PS:
|
10736 |
mips32_op = OPC_MSUB_PS; |
10737 |
goto do_madd;
|
10738 |
case NMADD_S:
|
10739 |
mips32_op = OPC_NMADD_S; |
10740 |
goto do_madd;
|
10741 |
case NMADD_D:
|
10742 |
mips32_op = OPC_NMADD_D; |
10743 |
goto do_madd;
|
10744 |
case NMADD_PS:
|
10745 |
mips32_op = OPC_NMADD_PS; |
10746 |
goto do_madd;
|
10747 |
case NMSUB_S:
|
10748 |
mips32_op = OPC_NMSUB_S; |
10749 |
goto do_madd;
|
10750 |
case NMSUB_D:
|
10751 |
mips32_op = OPC_NMSUB_D; |
10752 |
goto do_madd;
|
10753 |
case NMSUB_PS:
|
10754 |
mips32_op = OPC_NMSUB_PS; |
10755 |
do_madd:
|
10756 |
gen_flt3_arith(ctx, mips32_op, rd, rr, rs, rt); |
10757 |
break;
|
10758 |
case CABS_COND_FMT:
|
10759 |
cond = (ctx->opcode >> 6) & 0xf; |
10760 |
cc = (ctx->opcode >> 13) & 0x7; |
10761 |
fmt = (ctx->opcode >> 10) & 0x3; |
10762 |
switch (fmt) {
|
10763 |
case 0x0: |
10764 |
gen_cmpabs_s(ctx, cond, rt, rs, cc); |
10765 |
break;
|
10766 |
case 0x1: |
10767 |
gen_cmpabs_d(ctx, cond, rt, rs, cc); |
10768 |
break;
|
10769 |
case 0x2: |
10770 |
gen_cmpabs_ps(ctx, cond, rt, rs, cc); |
10771 |
break;
|
10772 |
default:
|
10773 |
goto pool32f_invalid;
|
10774 |
} |
10775 |
break;
|
10776 |
case C_COND_FMT:
|
10777 |
cond = (ctx->opcode >> 6) & 0xf; |
10778 |
cc = (ctx->opcode >> 13) & 0x7; |
10779 |
fmt = (ctx->opcode >> 10) & 0x3; |
10780 |
switch (fmt) {
|
10781 |
case 0x0: |
10782 |
gen_cmp_s(ctx, cond, rt, rs, cc); |
10783 |
break;
|
10784 |
case 0x1: |
10785 |
gen_cmp_d(ctx, cond, rt, rs, cc); |
10786 |
break;
|
10787 |
case 0x2: |
10788 |
gen_cmp_ps(ctx, cond, rt, rs, cc); |
10789 |
break;
|
10790 |
default:
|
10791 |
goto pool32f_invalid;
|
10792 |
} |
10793 |
break;
|
10794 |
case POOL32FXF:
|
10795 |
gen_pool32fxf(env, ctx, rt, rs); |
10796 |
break;
|
10797 |
case 0x00: |
10798 |
/* PLL foo */
|
10799 |
switch ((ctx->opcode >> 6) & 0x7) { |
10800 |
case PLL_PS:
|
10801 |
mips32_op = OPC_PLL_PS; |
10802 |
goto do_ps;
|
10803 |
case PLU_PS:
|
10804 |
mips32_op = OPC_PLU_PS; |
10805 |
goto do_ps;
|
10806 |
case PUL_PS:
|
10807 |
mips32_op = OPC_PUL_PS; |
10808 |
goto do_ps;
|
10809 |
case PUU_PS:
|
10810 |
mips32_op = OPC_PUU_PS; |
10811 |
goto do_ps;
|
10812 |
case CVT_PS_S:
|
10813 |
mips32_op = OPC_CVT_PS_S; |
10814 |
do_ps:
|
10815 |
gen_farith(ctx, mips32_op, rt, rs, rd, 0);
|
10816 |
break;
|
10817 |
default:
|
10818 |
goto pool32f_invalid;
|
10819 |
} |
10820 |
break;
|
10821 |
case 0x08: |
10822 |
/* [LS][WDU]XC1 */
|
10823 |
switch ((ctx->opcode >> 6) & 0x7) { |
10824 |
case LWXC1:
|
10825 |
mips32_op = OPC_LWXC1; |
10826 |
goto do_ldst_cp1;
|
10827 |
case SWXC1:
|
10828 |
mips32_op = OPC_SWXC1; |
10829 |
goto do_ldst_cp1;
|
10830 |
case LDXC1:
|
10831 |
mips32_op = OPC_LDXC1; |
10832 |
goto do_ldst_cp1;
|
10833 |
case SDXC1:
|
10834 |
mips32_op = OPC_SDXC1; |
10835 |
goto do_ldst_cp1;
|
10836 |
case LUXC1:
|
10837 |
mips32_op = OPC_LUXC1; |
10838 |
goto do_ldst_cp1;
|
10839 |
case SUXC1:
|
10840 |
mips32_op = OPC_SUXC1; |
10841 |
do_ldst_cp1:
|
10842 |
gen_flt3_ldst(ctx, mips32_op, rd, rd, rt, rs); |
10843 |
break;
|
10844 |
default:
|
10845 |
goto pool32f_invalid;
|
10846 |
} |
10847 |
break;
|
10848 |
case 0x18: |
10849 |
/* 3D insns */
|
10850 |
fmt = (ctx->opcode >> 9) & 0x3; |
10851 |
switch ((ctx->opcode >> 6) & 0x7) { |
10852 |
case RSQRT2_FMT:
|
10853 |
switch (fmt) {
|
10854 |
case FMT_SDPS_S:
|
10855 |
mips32_op = OPC_RSQRT2_S; |
10856 |
goto do_3d;
|
10857 |
case FMT_SDPS_D:
|
10858 |
mips32_op = OPC_RSQRT2_D; |
10859 |
goto do_3d;
|
10860 |
case FMT_SDPS_PS:
|
10861 |
mips32_op = OPC_RSQRT2_PS; |
10862 |
goto do_3d;
|
10863 |
default:
|
10864 |
goto pool32f_invalid;
|
10865 |
} |
10866 |
break;
|
10867 |
case RECIP2_FMT:
|
10868 |
switch (fmt) {
|
10869 |
case FMT_SDPS_S:
|
10870 |
mips32_op = OPC_RECIP2_S; |
10871 |
goto do_3d;
|
10872 |
case FMT_SDPS_D:
|
10873 |
mips32_op = OPC_RECIP2_D; |
10874 |
goto do_3d;
|
10875 |
case FMT_SDPS_PS:
|
10876 |
mips32_op = OPC_RECIP2_PS; |
10877 |
goto do_3d;
|
10878 |
default:
|
10879 |
goto pool32f_invalid;
|
10880 |
} |
10881 |
break;
|
10882 |
case ADDR_PS:
|
10883 |
mips32_op = OPC_ADDR_PS; |
10884 |
goto do_3d;
|
10885 |
case MULR_PS:
|
10886 |
mips32_op = OPC_MULR_PS; |
10887 |
do_3d:
|
10888 |
gen_farith(ctx, mips32_op, rt, rs, rd, 0);
|
10889 |
break;
|
10890 |
default:
|
10891 |
goto pool32f_invalid;
|
10892 |
} |
10893 |
break;
|
10894 |
case 0x20: |
10895 |
/* MOV[FT].fmt and PREFX */
|
10896 |
cc = (ctx->opcode >> 13) & 0x7; |
10897 |
fmt = (ctx->opcode >> 9) & 0x3; |
10898 |
switch ((ctx->opcode >> 6) & 0x7) { |
10899 |
case MOVF_FMT:
|
10900 |
switch (fmt) {
|
10901 |
case FMT_SDPS_S:
|
10902 |
gen_movcf_s(rs, rt, cc, 0);
|
10903 |
break;
|
10904 |
case FMT_SDPS_D:
|
10905 |
gen_movcf_d(ctx, rs, rt, cc, 0);
|
10906 |
break;
|
10907 |
case FMT_SDPS_PS:
|
10908 |
gen_movcf_ps(rs, rt, cc, 0);
|
10909 |
break;
|
10910 |
default:
|
10911 |
goto pool32f_invalid;
|
10912 |
} |
10913 |
break;
|
10914 |
case MOVT_FMT:
|
10915 |
switch (fmt) {
|
10916 |
case FMT_SDPS_S:
|
10917 |
gen_movcf_s(rs, rt, cc, 1);
|
10918 |
break;
|
10919 |
case FMT_SDPS_D:
|
10920 |
gen_movcf_d(ctx, rs, rt, cc, 1);
|
10921 |
break;
|
10922 |
case FMT_SDPS_PS:
|
10923 |
gen_movcf_ps(rs, rt, cc, 1);
|
10924 |
break;
|
10925 |
default:
|
10926 |
goto pool32f_invalid;
|
10927 |
} |
10928 |
break;
|
10929 |
case PREFX:
|
10930 |
break;
|
10931 |
default:
|
10932 |
goto pool32f_invalid;
|
10933 |
} |
10934 |
break;
|
10935 |
#define FINSN_3ARG_SDPS(prfx) \
|
10936 |
switch ((ctx->opcode >> 8) & 0x3) { \ |
10937 |
case FMT_SDPS_S: \
|
10938 |
mips32_op = OPC_##prfx##_S; \ |
10939 |
goto do_fpop; \
|
10940 |
case FMT_SDPS_D: \
|
10941 |
mips32_op = OPC_##prfx##_D; \ |
10942 |
goto do_fpop; \
|
10943 |
case FMT_SDPS_PS: \
|
10944 |
mips32_op = OPC_##prfx##_PS; \ |
10945 |
goto do_fpop; \
|
10946 |
default: \
|
10947 |
goto pool32f_invalid; \
|
10948 |
} |
10949 |
case 0x30: |
10950 |
/* regular FP ops */
|
10951 |
switch ((ctx->opcode >> 6) & 0x3) { |
10952 |
case ADD_FMT:
|
10953 |
FINSN_3ARG_SDPS(ADD); |
10954 |
break;
|
10955 |
case SUB_FMT:
|
10956 |
FINSN_3ARG_SDPS(SUB); |
10957 |
break;
|
10958 |
case MUL_FMT:
|
10959 |
FINSN_3ARG_SDPS(MUL); |
10960 |
break;
|
10961 |
case DIV_FMT:
|
10962 |
fmt = (ctx->opcode >> 8) & 0x3; |
10963 |
if (fmt == 1) { |
10964 |
mips32_op = OPC_DIV_D; |
10965 |
} else if (fmt == 0) { |
10966 |
mips32_op = OPC_DIV_S; |
10967 |
} else {
|
10968 |
goto pool32f_invalid;
|
10969 |
} |
10970 |
goto do_fpop;
|
10971 |
default:
|
10972 |
goto pool32f_invalid;
|
10973 |
} |
10974 |
break;
|
10975 |
case 0x38: |
10976 |
/* cmovs */
|
10977 |
switch ((ctx->opcode >> 6) & 0x3) { |
10978 |
case MOVN_FMT:
|
10979 |
FINSN_3ARG_SDPS(MOVN); |
10980 |
break;
|
10981 |
case MOVZ_FMT:
|
10982 |
FINSN_3ARG_SDPS(MOVZ); |
10983 |
break;
|
10984 |
default:
|
10985 |
goto pool32f_invalid;
|
10986 |
} |
10987 |
break;
|
10988 |
do_fpop:
|
10989 |
gen_farith(ctx, mips32_op, rt, rs, rd, 0);
|
10990 |
break;
|
10991 |
default:
|
10992 |
pool32f_invalid:
|
10993 |
MIPS_INVAL("pool32f");
|
10994 |
generate_exception(ctx, EXCP_RI); |
10995 |
break;
|
10996 |
} |
10997 |
} else {
|
10998 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
10999 |
} |
11000 |
break;
|
11001 |
case POOL32I:
|
11002 |
minor = (ctx->opcode >> 21) & 0x1f; |
11003 |
switch (minor) {
|
11004 |
case BLTZ:
|
11005 |
mips32_op = OPC_BLTZ; |
11006 |
goto do_branch;
|
11007 |
case BLTZAL:
|
11008 |
mips32_op = OPC_BLTZAL; |
11009 |
goto do_branch;
|
11010 |
case BLTZALS:
|
11011 |
mips32_op = OPC_BLTZALS; |
11012 |
goto do_branch;
|
11013 |
case BGEZ:
|
11014 |
mips32_op = OPC_BGEZ; |
11015 |
goto do_branch;
|
11016 |
case BGEZAL:
|
11017 |
mips32_op = OPC_BGEZAL; |
11018 |
goto do_branch;
|
11019 |
case BGEZALS:
|
11020 |
mips32_op = OPC_BGEZALS; |
11021 |
goto do_branch;
|
11022 |
case BLEZ:
|
11023 |
mips32_op = OPC_BLEZ; |
11024 |
goto do_branch;
|
11025 |
case BGTZ:
|
11026 |
mips32_op = OPC_BGTZ; |
11027 |
do_branch:
|
11028 |
gen_compute_branch(ctx, mips32_op, 4, rs, -1, imm << 1); |
11029 |
*is_branch = 1;
|
11030 |
break;
|
11031 |
|
11032 |
/* Traps */
|
11033 |
case TLTI:
|
11034 |
mips32_op = OPC_TLTI; |
11035 |
goto do_trapi;
|
11036 |
case TGEI:
|
11037 |
mips32_op = OPC_TGEI; |
11038 |
goto do_trapi;
|
11039 |
case TLTIU:
|
11040 |
mips32_op = OPC_TLTIU; |
11041 |
goto do_trapi;
|
11042 |
case TGEIU:
|
11043 |
mips32_op = OPC_TGEIU; |
11044 |
goto do_trapi;
|
11045 |
case TNEI:
|
11046 |
mips32_op = OPC_TNEI; |
11047 |
goto do_trapi;
|
11048 |
case TEQI:
|
11049 |
mips32_op = OPC_TEQI; |
11050 |
do_trapi:
|
11051 |
gen_trap(ctx, mips32_op, rs, -1, imm);
|
11052 |
break;
|
11053 |
|
11054 |
case BNEZC:
|
11055 |
case BEQZC:
|
11056 |
gen_compute_branch(ctx, minor == BNEZC ? OPC_BNE : OPC_BEQ, |
11057 |
4, rs, 0, imm << 1); |
11058 |
/* Compact branches don't have a delay slot, so just let
|
11059 |
the normal delay slot handling take us to the branch
|
11060 |
target. */
|
11061 |
break;
|
11062 |
case LUI:
|
11063 |
gen_logic_imm(env, OPC_LUI, rs, -1, imm);
|
11064 |
break;
|
11065 |
case SYNCI:
|
11066 |
break;
|
11067 |
case BC2F:
|
11068 |
case BC2T:
|
11069 |
/* COP2: Not implemented. */
|
11070 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
11071 |
break;
|
11072 |
case BC1F:
|
11073 |
mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1FANY2 : OPC_BC1F; |
11074 |
goto do_cp1branch;
|
11075 |
case BC1T:
|
11076 |
mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1TANY2 : OPC_BC1T; |
11077 |
goto do_cp1branch;
|
11078 |
case BC1ANY4F:
|
11079 |
mips32_op = OPC_BC1FANY4; |
11080 |
goto do_cp1mips3d;
|
11081 |
case BC1ANY4T:
|
11082 |
mips32_op = OPC_BC1TANY4; |
11083 |
do_cp1mips3d:
|
11084 |
check_cop1x(ctx); |
11085 |
check_insn(env, ctx, ASE_MIPS3D); |
11086 |
/* Fall through */
|
11087 |
do_cp1branch:
|
11088 |
gen_compute_branch1(env, ctx, mips32_op, |
11089 |
(ctx->opcode >> 18) & 0x7, imm << 1); |
11090 |
*is_branch = 1;
|
11091 |
break;
|
11092 |
case BPOSGE64:
|
11093 |
case BPOSGE32:
|
11094 |
/* MIPS DSP: not implemented */
|
11095 |
/* Fall through */
|
11096 |
default:
|
11097 |
MIPS_INVAL("pool32i");
|
11098 |
generate_exception(ctx, EXCP_RI); |
11099 |
break;
|
11100 |
} |
11101 |
break;
|
11102 |
case POOL32C:
|
11103 |
minor = (ctx->opcode >> 12) & 0xf; |
11104 |
switch (minor) {
|
11105 |
case LWL:
|
11106 |
mips32_op = OPC_LWL; |
11107 |
goto do_ld_lr;
|
11108 |
case SWL:
|
11109 |
mips32_op = OPC_SWL; |
11110 |
goto do_st_lr;
|
11111 |
case LWR:
|
11112 |
mips32_op = OPC_LWR; |
11113 |
goto do_ld_lr;
|
11114 |
case SWR:
|
11115 |
mips32_op = OPC_SWR; |
11116 |
goto do_st_lr;
|
11117 |
#if defined(TARGET_MIPS64)
|
11118 |
case LDL:
|
11119 |
mips32_op = OPC_LDL; |
11120 |
goto do_ld_lr;
|
11121 |
case SDL:
|
11122 |
mips32_op = OPC_SDL; |
11123 |
goto do_st_lr;
|
11124 |
case LDR:
|
11125 |
mips32_op = OPC_LDR; |
11126 |
goto do_ld_lr;
|
11127 |
case SDR:
|
11128 |
mips32_op = OPC_SDR; |
11129 |
goto do_st_lr;
|
11130 |
case LWU:
|
11131 |
mips32_op = OPC_LWU; |
11132 |
goto do_ld_lr;
|
11133 |
case LLD:
|
11134 |
mips32_op = OPC_LLD; |
11135 |
goto do_ld_lr;
|
11136 |
#endif
|
11137 |
case LL:
|
11138 |
mips32_op = OPC_LL; |
11139 |
goto do_ld_lr;
|
11140 |
do_ld_lr:
|
11141 |
gen_ld(env, ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); |
11142 |
break;
|
11143 |
do_st_lr:
|
11144 |
gen_st(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12)); |
11145 |
break;
|
11146 |
case SC:
|
11147 |
gen_st_cond(ctx, OPC_SC, rt, rs, SIMM(ctx->opcode, 0, 12)); |
11148 |
break;
|
11149 |
#if defined(TARGET_MIPS64)
|
11150 |
case SCD:
|
11151 |
gen_st_cond(ctx, OPC_SCD, rt, rs, SIMM(ctx->opcode, 0, 12)); |
11152 |
break;
|
11153 |
#endif
|
11154 |
case PREF:
|
11155 |
/* Treat as no-op */
|
11156 |
break;
|
11157 |
default:
|
11158 |
MIPS_INVAL("pool32c");
|
11159 |
generate_exception(ctx, EXCP_RI); |
11160 |
break;
|
11161 |
} |
11162 |
break;
|
11163 |
case ADDI32:
|
11164 |
mips32_op = OPC_ADDI; |
11165 |
goto do_addi;
|
11166 |
case ADDIU32:
|
11167 |
mips32_op = OPC_ADDIU; |
11168 |
do_addi:
|
11169 |
gen_arith_imm(env, ctx, mips32_op, rt, rs, imm); |
11170 |
break;
|
11171 |
|
11172 |
/* Logical operations */
|
11173 |
case ORI32:
|
11174 |
mips32_op = OPC_ORI; |
11175 |
goto do_logici;
|
11176 |
case XORI32:
|
11177 |
mips32_op = OPC_XORI; |
11178 |
goto do_logici;
|
11179 |
case ANDI32:
|
11180 |
mips32_op = OPC_ANDI; |
11181 |
do_logici:
|
11182 |
gen_logic_imm(env, mips32_op, rt, rs, imm); |
11183 |
break;
|
11184 |
|
11185 |
/* Set less than immediate */
|
11186 |
case SLTI32:
|
11187 |
mips32_op = OPC_SLTI; |
11188 |
goto do_slti;
|
11189 |
case SLTIU32:
|
11190 |
mips32_op = OPC_SLTIU; |
11191 |
do_slti:
|
11192 |
gen_slt_imm(env, mips32_op, rt, rs, imm); |
11193 |
break;
|
11194 |
case JALX32:
|
11195 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
11196 |
gen_compute_branch(ctx, OPC_JALX, 4, rt, rs, offset);
|
11197 |
*is_branch = 1;
|
11198 |
break;
|
11199 |
case JALS32:
|
11200 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 1; |
11201 |
gen_compute_branch(ctx, OPC_JALS, 4, rt, rs, offset);
|
11202 |
*is_branch = 1;
|
11203 |
break;
|
11204 |
case BEQ32:
|
11205 |
gen_compute_branch(ctx, OPC_BEQ, 4, rt, rs, imm << 1); |
11206 |
*is_branch = 1;
|
11207 |
break;
|
11208 |
case BNE32:
|
11209 |
gen_compute_branch(ctx, OPC_BNE, 4, rt, rs, imm << 1); |
11210 |
*is_branch = 1;
|
11211 |
break;
|
11212 |
case J32:
|
11213 |
gen_compute_branch(ctx, OPC_J, 4, rt, rs,
|
11214 |
(int32_t)(ctx->opcode & 0x3FFFFFF) << 1); |
11215 |
*is_branch = 1;
|
11216 |
break;
|
11217 |
case JAL32:
|
11218 |
gen_compute_branch(ctx, OPC_JAL, 4, rt, rs,
|
11219 |
(int32_t)(ctx->opcode & 0x3FFFFFF) << 1); |
11220 |
*is_branch = 1;
|
11221 |
break;
|
11222 |
/* Floating point (COP1) */
|
11223 |
case LWC132:
|
11224 |
mips32_op = OPC_LWC1; |
11225 |
goto do_cop1;
|
11226 |
case LDC132:
|
11227 |
mips32_op = OPC_LDC1; |
11228 |
goto do_cop1;
|
11229 |
case SWC132:
|
11230 |
mips32_op = OPC_SWC1; |
11231 |
goto do_cop1;
|
11232 |
case SDC132:
|
11233 |
mips32_op = OPC_SDC1; |
11234 |
do_cop1:
|
11235 |
gen_cop1_ldst(env, ctx, mips32_op, rt, rs, imm); |
11236 |
break;
|
11237 |
case ADDIUPC:
|
11238 |
{ |
11239 |
int reg = mmreg(ZIMM(ctx->opcode, 23, 3)); |
11240 |
int offset = SIMM(ctx->opcode, 0, 23) << 2; |
11241 |
|
11242 |
gen_addiupc(ctx, reg, offset, 0, 0); |
11243 |
} |
11244 |
break;
|
11245 |
/* Loads and stores */
|
11246 |
case LB32:
|
11247 |
mips32_op = OPC_LB; |
11248 |
goto do_ld;
|
11249 |
case LBU32:
|
11250 |
mips32_op = OPC_LBU; |
11251 |
goto do_ld;
|
11252 |
case LH32:
|
11253 |
mips32_op = OPC_LH; |
11254 |
goto do_ld;
|
11255 |
case LHU32:
|
11256 |
mips32_op = OPC_LHU; |
11257 |
goto do_ld;
|
11258 |
case LW32:
|
11259 |
mips32_op = OPC_LW; |
11260 |
goto do_ld;
|
11261 |
#ifdef TARGET_MIPS64
|
11262 |
case LD32:
|
11263 |
mips32_op = OPC_LD; |
11264 |
goto do_ld;
|
11265 |
case SD32:
|
11266 |
mips32_op = OPC_SD; |
11267 |
goto do_st;
|
11268 |
#endif
|
11269 |
case SB32:
|
11270 |
mips32_op = OPC_SB; |
11271 |
goto do_st;
|
11272 |
case SH32:
|
11273 |
mips32_op = OPC_SH; |
11274 |
goto do_st;
|
11275 |
case SW32:
|
11276 |
mips32_op = OPC_SW; |
11277 |
goto do_st;
|
11278 |
do_ld:
|
11279 |
gen_ld(env, ctx, mips32_op, rt, rs, imm); |
11280 |
break;
|
11281 |
do_st:
|
11282 |
gen_st(ctx, mips32_op, rt, rs, imm); |
11283 |
break;
|
11284 |
default:
|
11285 |
generate_exception(ctx, EXCP_RI); |
11286 |
break;
|
11287 |
} |
11288 |
} |
11289 |
|
11290 |
static int decode_micromips_opc (CPUState *env, DisasContext *ctx, int *is_branch) |
11291 |
{ |
11292 |
uint32_t op; |
11293 |
|
11294 |
/* make sure instructions are on a halfword boundary */
|
11295 |
if (ctx->pc & 0x1) { |
11296 |
env->CP0_BadVAddr = ctx->pc; |
11297 |
generate_exception(ctx, EXCP_AdEL); |
11298 |
ctx->bstate = BS_STOP; |
11299 |
return 2; |
11300 |
} |
11301 |
|
11302 |
op = (ctx->opcode >> 10) & 0x3f; |
11303 |
/* Enforce properly-sized instructions in a delay slot */
|
11304 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
11305 |
int bits = ctx->hflags & MIPS_HFLAG_BMASK_EXT;
|
11306 |
|
11307 |
switch (op) {
|
11308 |
case POOL32A:
|
11309 |
case POOL32B:
|
11310 |
case POOL32I:
|
11311 |
case POOL32C:
|
11312 |
case ADDI32:
|
11313 |
case ADDIU32:
|
11314 |
case ORI32:
|
11315 |
case XORI32:
|
11316 |
case SLTI32:
|
11317 |
case SLTIU32:
|
11318 |
case ANDI32:
|
11319 |
case JALX32:
|
11320 |
case LBU32:
|
11321 |
case LHU32:
|
11322 |
case POOL32F:
|
11323 |
case JALS32:
|
11324 |
case BEQ32:
|
11325 |
case BNE32:
|
11326 |
case J32:
|
11327 |
case JAL32:
|
11328 |
case SB32:
|
11329 |
case SH32:
|
11330 |
case POOL32S:
|
11331 |
case ADDIUPC:
|
11332 |
case SWC132:
|
11333 |
case SDC132:
|
11334 |
case SD32:
|
11335 |
case SW32:
|
11336 |
case LB32:
|
11337 |
case LH32:
|
11338 |
case DADDIU32:
|
11339 |
case POOL48A: /* ??? */ |
11340 |
case LWC132:
|
11341 |
case LDC132:
|
11342 |
case LD32:
|
11343 |
case LW32:
|
11344 |
if (bits & MIPS_HFLAG_BDS16) {
|
11345 |
generate_exception(ctx, EXCP_RI); |
11346 |
/* Just stop translation; the user is confused. */
|
11347 |
ctx->bstate = BS_STOP; |
11348 |
return 2; |
11349 |
} |
11350 |
break;
|
11351 |
case POOL16A:
|
11352 |
case POOL16B:
|
11353 |
case POOL16C:
|
11354 |
case LWGP16:
|
11355 |
case POOL16F:
|
11356 |
case LBU16:
|
11357 |
case LHU16:
|
11358 |
case LWSP16:
|
11359 |
case LW16:
|
11360 |
case SB16:
|
11361 |
case SH16:
|
11362 |
case SWSP16:
|
11363 |
case SW16:
|
11364 |
case MOVE16:
|
11365 |
case ANDI16:
|
11366 |
case POOL16D:
|
11367 |
case POOL16E:
|
11368 |
case BEQZ16:
|
11369 |
case BNEZ16:
|
11370 |
case B16:
|
11371 |
case LI16:
|
11372 |
if (bits & MIPS_HFLAG_BDS32) {
|
11373 |
generate_exception(ctx, EXCP_RI); |
11374 |
/* Just stop translation; the user is confused. */
|
11375 |
ctx->bstate = BS_STOP; |
11376 |
return 2; |
11377 |
} |
11378 |
break;
|
11379 |
default:
|
11380 |
break;
|
11381 |
} |
11382 |
} |
11383 |
switch (op) {
|
11384 |
case POOL16A:
|
11385 |
{ |
11386 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
11387 |
int rs1 = mmreg(uMIPS_RS1(ctx->opcode));
|
11388 |
int rs2 = mmreg(uMIPS_RS2(ctx->opcode));
|
11389 |
uint32_t opc = 0;
|
11390 |
|
11391 |
switch (ctx->opcode & 0x1) { |
11392 |
case ADDU16:
|
11393 |
opc = OPC_ADDU; |
11394 |
break;
|
11395 |
case SUBU16:
|
11396 |
opc = OPC_SUBU; |
11397 |
break;
|
11398 |
} |
11399 |
|
11400 |
gen_arith(env, ctx, opc, rd, rs1, rs2); |
11401 |
} |
11402 |
break;
|
11403 |
case POOL16B:
|
11404 |
{ |
11405 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
11406 |
int rs = mmreg(uMIPS_RS(ctx->opcode));
|
11407 |
int amount = (ctx->opcode >> 1) & 0x7; |
11408 |
uint32_t opc = 0;
|
11409 |
amount = amount == 0 ? 8 : amount; |
11410 |
|
11411 |
switch (ctx->opcode & 0x1) { |
11412 |
case SLL16:
|
11413 |
opc = OPC_SLL; |
11414 |
break;
|
11415 |
case SRL16:
|
11416 |
opc = OPC_SRL; |
11417 |
break;
|
11418 |
} |
11419 |
|
11420 |
gen_shift_imm(env, ctx, opc, rd, rs, amount); |
11421 |
} |
11422 |
break;
|
11423 |
case POOL16C:
|
11424 |
gen_pool16c_insn(env, ctx, is_branch); |
11425 |
break;
|
11426 |
case LWGP16:
|
11427 |
{ |
11428 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
11429 |
int rb = 28; /* GP */ |
11430 |
int16_t offset = SIMM(ctx->opcode, 0, 7) << 2; |
11431 |
|
11432 |
gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
11433 |
} |
11434 |
break;
|
11435 |
case POOL16F:
|
11436 |
if (ctx->opcode & 1) { |
11437 |
generate_exception(ctx, EXCP_RI); |
11438 |
} else {
|
11439 |
/* MOVEP */
|
11440 |
int enc_dest = uMIPS_RD(ctx->opcode);
|
11441 |
int enc_rt = uMIPS_RS2(ctx->opcode);
|
11442 |
int enc_rs = uMIPS_RS1(ctx->opcode);
|
11443 |
int rd, rs, re, rt;
|
11444 |
static const int rd_enc[] = { 5, 5, 6, 4, 4, 4, 4, 4 }; |
11445 |
static const int re_enc[] = { 6, 7, 7, 21, 22, 5, 6, 7 }; |
11446 |
static const int rs_rt_enc[] = { 0, 17, 2, 3, 16, 18, 19, 20 }; |
11447 |
|
11448 |
rd = rd_enc[enc_dest]; |
11449 |
re = re_enc[enc_dest]; |
11450 |
rs = rs_rt_enc[enc_rs]; |
11451 |
rt = rs_rt_enc[enc_rt]; |
11452 |
|
11453 |
gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0);
|
11454 |
gen_arith_imm(env, ctx, OPC_ADDIU, re, rt, 0);
|
11455 |
} |
11456 |
break;
|
11457 |
case LBU16:
|
11458 |
{ |
11459 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
11460 |
int rb = mmreg(uMIPS_RS(ctx->opcode));
|
11461 |
int16_t offset = ZIMM(ctx->opcode, 0, 4); |
11462 |
offset = (offset == 0xf ? -1 : offset); |
11463 |
|
11464 |
gen_ld(env, ctx, OPC_LBU, rd, rb, offset); |
11465 |
} |
11466 |
break;
|
11467 |
case LHU16:
|
11468 |
{ |
11469 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
11470 |
int rb = mmreg(uMIPS_RS(ctx->opcode));
|
11471 |
int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; |
11472 |
|
11473 |
gen_ld(env, ctx, OPC_LHU, rd, rb, offset); |
11474 |
} |
11475 |
break;
|
11476 |
case LWSP16:
|
11477 |
{ |
11478 |
int rd = (ctx->opcode >> 5) & 0x1f; |
11479 |
int rb = 29; /* SP */ |
11480 |
int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; |
11481 |
|
11482 |
gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
11483 |
} |
11484 |
break;
|
11485 |
case LW16:
|
11486 |
{ |
11487 |
int rd = mmreg(uMIPS_RD(ctx->opcode));
|
11488 |
int rb = mmreg(uMIPS_RS(ctx->opcode));
|
11489 |
int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; |
11490 |
|
11491 |
gen_ld(env, ctx, OPC_LW, rd, rb, offset); |
11492 |
} |
11493 |
break;
|
11494 |
case SB16:
|
11495 |
{ |
11496 |
int rd = mmreg2(uMIPS_RD(ctx->opcode));
|
11497 |
int rb = mmreg(uMIPS_RS(ctx->opcode));
|
11498 |
int16_t offset = ZIMM(ctx->opcode, 0, 4); |
11499 |
|
11500 |
gen_st(ctx, OPC_SB, rd, rb, offset); |
11501 |
} |
11502 |
break;
|
11503 |
case SH16:
|
11504 |
{ |
11505 |
int rd = mmreg2(uMIPS_RD(ctx->opcode));
|
11506 |
int rb = mmreg(uMIPS_RS(ctx->opcode));
|
11507 |
int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1; |
11508 |
|
11509 |
gen_st(ctx, OPC_SH, rd, rb, offset); |
11510 |
} |
11511 |
break;
|
11512 |
case SWSP16:
|
11513 |
{ |
11514 |
int rd = (ctx->opcode >> 5) & 0x1f; |
11515 |
int rb = 29; /* SP */ |
11516 |
int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2; |
11517 |
|
11518 |
gen_st(ctx, OPC_SW, rd, rb, offset); |
11519 |
} |
11520 |
break;
|
11521 |
case SW16:
|
11522 |
{ |
11523 |
int rd = mmreg2(uMIPS_RD(ctx->opcode));
|
11524 |
int rb = mmreg(uMIPS_RS(ctx->opcode));
|
11525 |
int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2; |
11526 |
|
11527 |
gen_st(ctx, OPC_SW, rd, rb, offset); |
11528 |
} |
11529 |
break;
|
11530 |
case MOVE16:
|
11531 |
{ |
11532 |
int rd = uMIPS_RD5(ctx->opcode);
|
11533 |
int rs = uMIPS_RS5(ctx->opcode);
|
11534 |
|
11535 |
gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0);
|
11536 |
} |
11537 |
break;
|
11538 |
case ANDI16:
|
11539 |
gen_andi16(env, ctx); |
11540 |
break;
|
11541 |
case POOL16D:
|
11542 |
switch (ctx->opcode & 0x1) { |
11543 |
case ADDIUS5:
|
11544 |
gen_addius5(env, ctx); |
11545 |
break;
|
11546 |
case ADDIUSP:
|
11547 |
gen_addiusp(env, ctx); |
11548 |
break;
|
11549 |
} |
11550 |
break;
|
11551 |
case POOL16E:
|
11552 |
switch (ctx->opcode & 0x1) { |
11553 |
case ADDIUR2:
|
11554 |
gen_addiur2(env, ctx); |
11555 |
break;
|
11556 |
case ADDIUR1SP:
|
11557 |
gen_addiur1sp(env, ctx); |
11558 |
break;
|
11559 |
} |
11560 |
break;
|
11561 |
case B16:
|
11562 |
gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, |
11563 |
SIMM(ctx->opcode, 0, 10) << 1); |
11564 |
*is_branch = 1;
|
11565 |
break;
|
11566 |
case BNEZ16:
|
11567 |
case BEQZ16:
|
11568 |
gen_compute_branch(ctx, op == BNEZ16 ? OPC_BNE : OPC_BEQ, 2,
|
11569 |
mmreg(uMIPS_RD(ctx->opcode)), |
11570 |
0, SIMM(ctx->opcode, 0, 7) << 1); |
11571 |
*is_branch = 1;
|
11572 |
break;
|
11573 |
case LI16:
|
11574 |
{ |
11575 |
int reg = mmreg(uMIPS_RD(ctx->opcode));
|
11576 |
int imm = ZIMM(ctx->opcode, 0, 7); |
11577 |
|
11578 |
imm = (imm == 0x7f ? -1 : imm); |
11579 |
tcg_gen_movi_tl(cpu_gpr[reg], imm); |
11580 |
} |
11581 |
break;
|
11582 |
case RES_20:
|
11583 |
case RES_28:
|
11584 |
case RES_29:
|
11585 |
case RES_30:
|
11586 |
case RES_31:
|
11587 |
case RES_38:
|
11588 |
case RES_39:
|
11589 |
generate_exception(ctx, EXCP_RI); |
11590 |
break;
|
11591 |
default:
|
11592 |
decode_micromips32_opc (env, ctx, op, is_branch); |
11593 |
return 4; |
11594 |
} |
11595 |
|
11596 |
return 2; |
11597 |
} |
11598 |
|
11599 |
/* SmartMIPS extension to MIPS32 */
|
11600 |
|
11601 |
#if defined(TARGET_MIPS64)
|
11602 |
|
11603 |
/* MDMX extension to MIPS64 */
|
11604 |
|
11605 |
#endif
|
11606 |
|
11607 |
static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) |
11608 |
{ |
11609 |
int32_t offset; |
11610 |
int rs, rt, rd, sa;
|
11611 |
uint32_t op, op1, op2; |
11612 |
int16_t imm; |
11613 |
|
11614 |
/* make sure instructions are on a word boundary */
|
11615 |
if (ctx->pc & 0x3) { |
11616 |
env->CP0_BadVAddr = ctx->pc; |
11617 |
generate_exception(ctx, EXCP_AdEL); |
11618 |
return;
|
11619 |
} |
11620 |
|
11621 |
/* Handle blikely not taken case */
|
11622 |
if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
|
11623 |
int l1 = gen_new_label();
|
11624 |
|
11625 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
11626 |
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
|
11627 |
tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); |
11628 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
11629 |
gen_set_label(l1); |
11630 |
} |
11631 |
|
11632 |
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
|
11633 |
tcg_gen_debug_insn_start(ctx->pc); |
11634 |
|
11635 |
op = MASK_OP_MAJOR(ctx->opcode); |
11636 |
rs = (ctx->opcode >> 21) & 0x1f; |
11637 |
rt = (ctx->opcode >> 16) & 0x1f; |
11638 |
rd = (ctx->opcode >> 11) & 0x1f; |
11639 |
sa = (ctx->opcode >> 6) & 0x1f; |
11640 |
imm = (int16_t)ctx->opcode; |
11641 |
switch (op) {
|
11642 |
case OPC_SPECIAL:
|
11643 |
op1 = MASK_SPECIAL(ctx->opcode); |
11644 |
switch (op1) {
|
11645 |
case OPC_SLL: /* Shift with immediate */ |
11646 |
case OPC_SRA:
|
11647 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
11648 |
break;
|
11649 |
case OPC_SRL:
|
11650 |
switch ((ctx->opcode >> 21) & 0x1f) { |
11651 |
case 1: |
11652 |
/* rotr is decoded as srl on non-R2 CPUs */
|
11653 |
if (env->insn_flags & ISA_MIPS32R2) {
|
11654 |
op1 = OPC_ROTR; |
11655 |
} |
11656 |
/* Fallthrough */
|
11657 |
case 0: |
11658 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
11659 |
break;
|
11660 |
default:
|
11661 |
generate_exception(ctx, EXCP_RI); |
11662 |
break;
|
11663 |
} |
11664 |
break;
|
11665 |
case OPC_MOVN: /* Conditional move */ |
11666 |
case OPC_MOVZ:
|
11667 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32 | |
11668 |
INSN_LOONGSON2E | INSN_LOONGSON2F); |
11669 |
gen_cond_move(env, op1, rd, rs, rt); |
11670 |
break;
|
11671 |
case OPC_ADD ... OPC_SUBU:
|
11672 |
gen_arith(env, ctx, op1, rd, rs, rt); |
11673 |
break;
|
11674 |
case OPC_SLLV: /* Shifts */ |
11675 |
case OPC_SRAV:
|
11676 |
gen_shift(env, ctx, op1, rd, rs, rt); |
11677 |
break;
|
11678 |
case OPC_SRLV:
|
11679 |
switch ((ctx->opcode >> 6) & 0x1f) { |
11680 |
case 1: |
11681 |
/* rotrv is decoded as srlv on non-R2 CPUs */
|
11682 |
if (env->insn_flags & ISA_MIPS32R2) {
|
11683 |
op1 = OPC_ROTRV; |
11684 |
} |
11685 |
/* Fallthrough */
|
11686 |
case 0: |
11687 |
gen_shift(env, ctx, op1, rd, rs, rt); |
11688 |
break;
|
11689 |
default:
|
11690 |
generate_exception(ctx, EXCP_RI); |
11691 |
break;
|
11692 |
} |
11693 |
break;
|
11694 |
case OPC_SLT: /* Set on less than */ |
11695 |
case OPC_SLTU:
|
11696 |
gen_slt(env, op1, rd, rs, rt); |
11697 |
break;
|
11698 |
case OPC_AND: /* Logic*/ |
11699 |
case OPC_OR:
|
11700 |
case OPC_NOR:
|
11701 |
case OPC_XOR:
|
11702 |
gen_logic(env, op1, rd, rs, rt); |
11703 |
break;
|
11704 |
case OPC_MULT ... OPC_DIVU:
|
11705 |
if (sa) {
|
11706 |
check_insn(env, ctx, INSN_VR54XX); |
11707 |
op1 = MASK_MUL_VR54XX(ctx->opcode); |
11708 |
gen_mul_vr54xx(ctx, op1, rd, rs, rt); |
11709 |
} else
|
11710 |
gen_muldiv(ctx, op1, rs, rt); |
11711 |
break;
|
11712 |
case OPC_JR ... OPC_JALR:
|
11713 |
gen_compute_branch(ctx, op1, 4, rs, rd, sa);
|
11714 |
*is_branch = 1;
|
11715 |
break;
|
11716 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
11717 |
case OPC_TNE:
|
11718 |
gen_trap(ctx, op1, rs, rt, -1);
|
11719 |
break;
|
11720 |
case OPC_MFHI: /* Move from HI/LO */ |
11721 |
case OPC_MFLO:
|
11722 |
gen_HILO(ctx, op1, rd); |
11723 |
break;
|
11724 |
case OPC_MTHI:
|
11725 |
case OPC_MTLO: /* Move to HI/LO */ |
11726 |
gen_HILO(ctx, op1, rs); |
11727 |
break;
|
11728 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
11729 |
#ifdef MIPS_STRICT_STANDARD
|
11730 |
MIPS_INVAL("PMON / selsl");
|
11731 |
generate_exception(ctx, EXCP_RI); |
11732 |
#else
|
11733 |
gen_helper_0i(pmon, sa); |
11734 |
#endif
|
11735 |
break;
|
11736 |
case OPC_SYSCALL:
|
11737 |
generate_exception(ctx, EXCP_SYSCALL); |
11738 |
ctx->bstate = BS_STOP; |
11739 |
break;
|
11740 |
case OPC_BREAK:
|
11741 |
generate_exception(ctx, EXCP_BREAK); |
11742 |
break;
|
11743 |
case OPC_SPIM:
|
11744 |
#ifdef MIPS_STRICT_STANDARD
|
11745 |
MIPS_INVAL("SPIM");
|
11746 |
generate_exception(ctx, EXCP_RI); |
11747 |
#else
|
11748 |
/* Implemented as RI exception for now. */
|
11749 |
MIPS_INVAL("spim (unofficial)");
|
11750 |
generate_exception(ctx, EXCP_RI); |
11751 |
#endif
|
11752 |
break;
|
11753 |
case OPC_SYNC:
|
11754 |
/* Treat as NOP. */
|
11755 |
break;
|
11756 |
|
11757 |
case OPC_MOVCI:
|
11758 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
11759 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
11760 |
check_cp1_enabled(ctx); |
11761 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
11762 |
(ctx->opcode >> 16) & 1); |
11763 |
} else {
|
11764 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
11765 |
} |
11766 |
break;
|
11767 |
|
11768 |
#if defined(TARGET_MIPS64)
|
11769 |
/* MIPS64 specific opcodes */
|
11770 |
case OPC_DSLL:
|
11771 |
case OPC_DSRA:
|
11772 |
case OPC_DSLL32:
|
11773 |
case OPC_DSRA32:
|
11774 |
check_insn(env, ctx, ISA_MIPS3); |
11775 |
check_mips_64(ctx); |
11776 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
11777 |
break;
|
11778 |
case OPC_DSRL:
|
11779 |
switch ((ctx->opcode >> 21) & 0x1f) { |
11780 |
case 1: |
11781 |
/* drotr is decoded as dsrl on non-R2 CPUs */
|
11782 |
if (env->insn_flags & ISA_MIPS32R2) {
|
11783 |
op1 = OPC_DROTR; |
11784 |
} |
11785 |
/* Fallthrough */
|
11786 |
case 0: |
11787 |
check_insn(env, ctx, ISA_MIPS3); |
11788 |
check_mips_64(ctx); |
11789 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
11790 |
break;
|
11791 |
default:
|
11792 |
generate_exception(ctx, EXCP_RI); |
11793 |
break;
|
11794 |
} |
11795 |
break;
|
11796 |
case OPC_DSRL32:
|
11797 |
switch ((ctx->opcode >> 21) & 0x1f) { |
11798 |
case 1: |
11799 |
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
|
11800 |
if (env->insn_flags & ISA_MIPS32R2) {
|
11801 |
op1 = OPC_DROTR32; |
11802 |
} |
11803 |
/* Fallthrough */
|
11804 |
case 0: |
11805 |
check_insn(env, ctx, ISA_MIPS3); |
11806 |
check_mips_64(ctx); |
11807 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
11808 |
break;
|
11809 |
default:
|
11810 |
generate_exception(ctx, EXCP_RI); |
11811 |
break;
|
11812 |
} |
11813 |
break;
|
11814 |
case OPC_DADD ... OPC_DSUBU:
|
11815 |
check_insn(env, ctx, ISA_MIPS3); |
11816 |
check_mips_64(ctx); |
11817 |
gen_arith(env, ctx, op1, rd, rs, rt); |
11818 |
break;
|
11819 |
case OPC_DSLLV:
|
11820 |
case OPC_DSRAV:
|
11821 |
check_insn(env, ctx, ISA_MIPS3); |
11822 |
check_mips_64(ctx); |
11823 |
gen_shift(env, ctx, op1, rd, rs, rt); |
11824 |
break;
|
11825 |
case OPC_DSRLV:
|
11826 |
switch ((ctx->opcode >> 6) & 0x1f) { |
11827 |
case 1: |
11828 |
/* drotrv is decoded as dsrlv on non-R2 CPUs */
|
11829 |
if (env->insn_flags & ISA_MIPS32R2) {
|
11830 |
op1 = OPC_DROTRV; |
11831 |
} |
11832 |
/* Fallthrough */
|
11833 |
case 0: |
11834 |
check_insn(env, ctx, ISA_MIPS3); |
11835 |
check_mips_64(ctx); |
11836 |
gen_shift(env, ctx, op1, rd, rs, rt); |
11837 |
break;
|
11838 |
default:
|
11839 |
generate_exception(ctx, EXCP_RI); |
11840 |
break;
|
11841 |
} |
11842 |
break;
|
11843 |
case OPC_DMULT ... OPC_DDIVU:
|
11844 |
check_insn(env, ctx, ISA_MIPS3); |
11845 |
check_mips_64(ctx); |
11846 |
gen_muldiv(ctx, op1, rs, rt); |
11847 |
break;
|
11848 |
#endif
|
11849 |
default: /* Invalid */ |
11850 |
MIPS_INVAL("special");
|
11851 |
generate_exception(ctx, EXCP_RI); |
11852 |
break;
|
11853 |
} |
11854 |
break;
|
11855 |
case OPC_SPECIAL2:
|
11856 |
op1 = MASK_SPECIAL2(ctx->opcode); |
11857 |
switch (op1) {
|
11858 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
11859 |
case OPC_MSUB ... OPC_MSUBU:
|
11860 |
check_insn(env, ctx, ISA_MIPS32); |
11861 |
gen_muldiv(ctx, op1, rs, rt); |
11862 |
break;
|
11863 |
case OPC_MUL:
|
11864 |
gen_arith(env, ctx, op1, rd, rs, rt); |
11865 |
break;
|
11866 |
case OPC_CLO:
|
11867 |
case OPC_CLZ:
|
11868 |
check_insn(env, ctx, ISA_MIPS32); |
11869 |
gen_cl(ctx, op1, rd, rs); |
11870 |
break;
|
11871 |
case OPC_SDBBP:
|
11872 |
/* XXX: not clear which exception should be raised
|
11873 |
* when in debug mode...
|
11874 |
*/
|
11875 |
check_insn(env, ctx, ISA_MIPS32); |
11876 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
11877 |
generate_exception(ctx, EXCP_DBp); |
11878 |
} else {
|
11879 |
generate_exception(ctx, EXCP_DBp); |
11880 |
} |
11881 |
/* Treat as NOP. */
|
11882 |
break;
|
11883 |
case OPC_DIV_G_2F:
|
11884 |
case OPC_DIVU_G_2F:
|
11885 |
case OPC_MULT_G_2F:
|
11886 |
case OPC_MULTU_G_2F:
|
11887 |
case OPC_MOD_G_2F:
|
11888 |
case OPC_MODU_G_2F:
|
11889 |
check_insn(env, ctx, INSN_LOONGSON2F); |
11890 |
gen_loongson_integer(ctx, op1, rd, rs, rt); |
11891 |
break;
|
11892 |
#if defined(TARGET_MIPS64)
|
11893 |
case OPC_DCLO:
|
11894 |
case OPC_DCLZ:
|
11895 |
check_insn(env, ctx, ISA_MIPS64); |
11896 |
check_mips_64(ctx); |
11897 |
gen_cl(ctx, op1, rd, rs); |
11898 |
break;
|
11899 |
case OPC_DMULT_G_2F:
|
11900 |
case OPC_DMULTU_G_2F:
|
11901 |
case OPC_DDIV_G_2F:
|
11902 |
case OPC_DDIVU_G_2F:
|
11903 |
case OPC_DMOD_G_2F:
|
11904 |
case OPC_DMODU_G_2F:
|
11905 |
check_insn(env, ctx, INSN_LOONGSON2F); |
11906 |
gen_loongson_integer(ctx, op1, rd, rs, rt); |
11907 |
break;
|
11908 |
#endif
|
11909 |
default: /* Invalid */ |
11910 |
MIPS_INVAL("special2");
|
11911 |
generate_exception(ctx, EXCP_RI); |
11912 |
break;
|
11913 |
} |
11914 |
break;
|
11915 |
case OPC_SPECIAL3:
|
11916 |
op1 = MASK_SPECIAL3(ctx->opcode); |
11917 |
switch (op1) {
|
11918 |
case OPC_EXT:
|
11919 |
case OPC_INS:
|
11920 |
check_insn(env, ctx, ISA_MIPS32R2); |
11921 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
11922 |
break;
|
11923 |
case OPC_BSHFL:
|
11924 |
check_insn(env, ctx, ISA_MIPS32R2); |
11925 |
op2 = MASK_BSHFL(ctx->opcode); |
11926 |
gen_bshfl(ctx, op2, rt, rd); |
11927 |
break;
|
11928 |
case OPC_RDHWR:
|
11929 |
gen_rdhwr(env, ctx, rt, rd); |
11930 |
break;
|
11931 |
case OPC_FORK:
|
11932 |
check_insn(env, ctx, ASE_MT); |
11933 |
{ |
11934 |
TCGv t0 = tcg_temp_new(); |
11935 |
TCGv t1 = tcg_temp_new(); |
11936 |
|
11937 |
gen_load_gpr(t0, rt); |
11938 |
gen_load_gpr(t1, rs); |
11939 |
gen_helper_fork(t0, t1); |
11940 |
tcg_temp_free(t0); |
11941 |
tcg_temp_free(t1); |
11942 |
} |
11943 |
break;
|
11944 |
case OPC_YIELD:
|
11945 |
check_insn(env, ctx, ASE_MT); |
11946 |
{ |
11947 |
TCGv t0 = tcg_temp_new(); |
11948 |
|
11949 |
save_cpu_state(ctx, 1);
|
11950 |
gen_load_gpr(t0, rs); |
11951 |
gen_helper_yield(t0, t0); |
11952 |
gen_store_gpr(t0, rd); |
11953 |
tcg_temp_free(t0); |
11954 |
} |
11955 |
break;
|
11956 |
case OPC_DIV_G_2E ... OPC_DIVU_G_2E:
|
11957 |
case OPC_MULT_G_2E ... OPC_MULTU_G_2E:
|
11958 |
case OPC_MOD_G_2E ... OPC_MODU_G_2E:
|
11959 |
check_insn(env, ctx, INSN_LOONGSON2E); |
11960 |
gen_loongson_integer(ctx, op1, rd, rs, rt); |
11961 |
break;
|
11962 |
#if defined(TARGET_MIPS64)
|
11963 |
case OPC_DEXTM ... OPC_DEXT:
|
11964 |
case OPC_DINSM ... OPC_DINS:
|
11965 |
check_insn(env, ctx, ISA_MIPS64R2); |
11966 |
check_mips_64(ctx); |
11967 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
11968 |
break;
|
11969 |
case OPC_DBSHFL:
|
11970 |
check_insn(env, ctx, ISA_MIPS64R2); |
11971 |
check_mips_64(ctx); |
11972 |
op2 = MASK_DBSHFL(ctx->opcode); |
11973 |
gen_bshfl(ctx, op2, rt, rd); |
11974 |
break;
|
11975 |
case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E:
|
11976 |
case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E:
|
11977 |
case OPC_DMOD_G_2E ... OPC_DMODU_G_2E:
|
11978 |
check_insn(env, ctx, INSN_LOONGSON2E); |
11979 |
gen_loongson_integer(ctx, op1, rd, rs, rt); |
11980 |
break;
|
11981 |
#endif
|
11982 |
default: /* Invalid */ |
11983 |
MIPS_INVAL("special3");
|
11984 |
generate_exception(ctx, EXCP_RI); |
11985 |
break;
|
11986 |
} |
11987 |
break;
|
11988 |
case OPC_REGIMM:
|
11989 |
op1 = MASK_REGIMM(ctx->opcode); |
11990 |
switch (op1) {
|
11991 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
11992 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
11993 |
gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2); |
11994 |
*is_branch = 1;
|
11995 |
break;
|
11996 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
11997 |
case OPC_TNEI:
|
11998 |
gen_trap(ctx, op1, rs, -1, imm);
|
11999 |
break;
|
12000 |
case OPC_SYNCI:
|
12001 |
check_insn(env, ctx, ISA_MIPS32R2); |
12002 |
/* Treat as NOP. */
|
12003 |
break;
|
12004 |
default: /* Invalid */ |
12005 |
MIPS_INVAL("regimm");
|
12006 |
generate_exception(ctx, EXCP_RI); |
12007 |
break;
|
12008 |
} |
12009 |
break;
|
12010 |
case OPC_CP0:
|
12011 |
check_cp0_enabled(ctx); |
12012 |
op1 = MASK_CP0(ctx->opcode); |
12013 |
switch (op1) {
|
12014 |
case OPC_MFC0:
|
12015 |
case OPC_MTC0:
|
12016 |
case OPC_MFTR:
|
12017 |
case OPC_MTTR:
|
12018 |
#if defined(TARGET_MIPS64)
|
12019 |
case OPC_DMFC0:
|
12020 |
case OPC_DMTC0:
|
12021 |
#endif
|
12022 |
#ifndef CONFIG_USER_ONLY
|
12023 |
gen_cp0(env, ctx, op1, rt, rd); |
12024 |
#endif /* !CONFIG_USER_ONLY */ |
12025 |
break;
|
12026 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
12027 |
#ifndef CONFIG_USER_ONLY
|
12028 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
12029 |
#endif /* !CONFIG_USER_ONLY */ |
12030 |
break;
|
12031 |
case OPC_MFMC0:
|
12032 |
#ifndef CONFIG_USER_ONLY
|
12033 |
{ |
12034 |
TCGv t0 = tcg_temp_new(); |
12035 |
|
12036 |
op2 = MASK_MFMC0(ctx->opcode); |
12037 |
switch (op2) {
|
12038 |
case OPC_DMT:
|
12039 |
check_insn(env, ctx, ASE_MT); |
12040 |
gen_helper_dmt(t0); |
12041 |
gen_store_gpr(t0, rt); |
12042 |
break;
|
12043 |
case OPC_EMT:
|
12044 |
check_insn(env, ctx, ASE_MT); |
12045 |
gen_helper_emt(t0); |
12046 |
gen_store_gpr(t0, rt); |
12047 |
break;
|
12048 |
case OPC_DVPE:
|
12049 |
check_insn(env, ctx, ASE_MT); |
12050 |
gen_helper_dvpe(t0); |
12051 |
gen_store_gpr(t0, rt); |
12052 |
break;
|
12053 |
case OPC_EVPE:
|
12054 |
check_insn(env, ctx, ASE_MT); |
12055 |
gen_helper_evpe(t0); |
12056 |
gen_store_gpr(t0, rt); |
12057 |
break;
|
12058 |
case OPC_DI:
|
12059 |
check_insn(env, ctx, ISA_MIPS32R2); |
12060 |
save_cpu_state(ctx, 1);
|
12061 |
gen_helper_di(t0); |
12062 |
gen_store_gpr(t0, rt); |
12063 |
/* Stop translation as we may have switched the execution mode */
|
12064 |
ctx->bstate = BS_STOP; |
12065 |
break;
|
12066 |
case OPC_EI:
|
12067 |
check_insn(env, ctx, ISA_MIPS32R2); |
12068 |
save_cpu_state(ctx, 1);
|
12069 |
gen_helper_ei(t0); |
12070 |
gen_store_gpr(t0, rt); |
12071 |
/* Stop translation as we may have switched the execution mode */
|
12072 |
ctx->bstate = BS_STOP; |
12073 |
break;
|
12074 |
default: /* Invalid */ |
12075 |
MIPS_INVAL("mfmc0");
|
12076 |
generate_exception(ctx, EXCP_RI); |
12077 |
break;
|
12078 |
} |
12079 |
tcg_temp_free(t0); |
12080 |
} |
12081 |
#endif /* !CONFIG_USER_ONLY */ |
12082 |
break;
|
12083 |
case OPC_RDPGPR:
|
12084 |
check_insn(env, ctx, ISA_MIPS32R2); |
12085 |
gen_load_srsgpr(rt, rd); |
12086 |
break;
|
12087 |
case OPC_WRPGPR:
|
12088 |
check_insn(env, ctx, ISA_MIPS32R2); |
12089 |
gen_store_srsgpr(rt, rd); |
12090 |
break;
|
12091 |
default:
|
12092 |
MIPS_INVAL("cp0");
|
12093 |
generate_exception(ctx, EXCP_RI); |
12094 |
break;
|
12095 |
} |
12096 |
break;
|
12097 |
case OPC_ADDI: /* Arithmetic with immediate opcode */ |
12098 |
case OPC_ADDIU:
|
12099 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
12100 |
break;
|
12101 |
case OPC_SLTI: /* Set on less than with immediate opcode */ |
12102 |
case OPC_SLTIU:
|
12103 |
gen_slt_imm(env, op, rt, rs, imm); |
12104 |
break;
|
12105 |
case OPC_ANDI: /* Arithmetic with immediate opcode */ |
12106 |
case OPC_LUI:
|
12107 |
case OPC_ORI:
|
12108 |
case OPC_XORI:
|
12109 |
gen_logic_imm(env, op, rt, rs, imm); |
12110 |
break;
|
12111 |
case OPC_J ... OPC_JAL: /* Jump */ |
12112 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
12113 |
gen_compute_branch(ctx, op, 4, rs, rt, offset);
|
12114 |
*is_branch = 1;
|
12115 |
break;
|
12116 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
12117 |
case OPC_BEQL ... OPC_BGTZL:
|
12118 |
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2); |
12119 |
*is_branch = 1;
|
12120 |
break;
|
12121 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
12122 |
case OPC_LL:
|
12123 |
gen_ld(env, ctx, op, rt, rs, imm); |
12124 |
break;
|
12125 |
case OPC_SB ... OPC_SW:
|
12126 |
case OPC_SWR:
|
12127 |
gen_st(ctx, op, rt, rs, imm); |
12128 |
break;
|
12129 |
case OPC_SC:
|
12130 |
gen_st_cond(ctx, op, rt, rs, imm); |
12131 |
break;
|
12132 |
case OPC_CACHE:
|
12133 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
12134 |
/* Treat as NOP. */
|
12135 |
break;
|
12136 |
case OPC_PREF:
|
12137 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
12138 |
/* Treat as NOP. */
|
12139 |
break;
|
12140 |
|
12141 |
/* Floating point (COP1). */
|
12142 |
case OPC_LWC1:
|
12143 |
case OPC_LDC1:
|
12144 |
case OPC_SWC1:
|
12145 |
case OPC_SDC1:
|
12146 |
gen_cop1_ldst(env, ctx, op, rt, rs, imm); |
12147 |
break;
|
12148 |
|
12149 |
case OPC_CP1:
|
12150 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
12151 |
check_cp1_enabled(ctx); |
12152 |
op1 = MASK_CP1(ctx->opcode); |
12153 |
switch (op1) {
|
12154 |
case OPC_MFHC1:
|
12155 |
case OPC_MTHC1:
|
12156 |
check_insn(env, ctx, ISA_MIPS32R2); |
12157 |
case OPC_MFC1:
|
12158 |
case OPC_CFC1:
|
12159 |
case OPC_MTC1:
|
12160 |
case OPC_CTC1:
|
12161 |
gen_cp1(ctx, op1, rt, rd); |
12162 |
break;
|
12163 |
#if defined(TARGET_MIPS64)
|
12164 |
case OPC_DMFC1:
|
12165 |
case OPC_DMTC1:
|
12166 |
check_insn(env, ctx, ISA_MIPS3); |
12167 |
gen_cp1(ctx, op1, rt, rd); |
12168 |
break;
|
12169 |
#endif
|
12170 |
case OPC_BC1ANY2:
|
12171 |
case OPC_BC1ANY4:
|
12172 |
check_cop1x(ctx); |
12173 |
check_insn(env, ctx, ASE_MIPS3D); |
12174 |
/* fall through */
|
12175 |
case OPC_BC1:
|
12176 |
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
12177 |
(rt >> 2) & 0x7, imm << 2); |
12178 |
*is_branch = 1;
|
12179 |
break;
|
12180 |
case OPC_S_FMT:
|
12181 |
case OPC_D_FMT:
|
12182 |
case OPC_W_FMT:
|
12183 |
case OPC_L_FMT:
|
12184 |
case OPC_PS_FMT:
|
12185 |
gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, |
12186 |
(imm >> 8) & 0x7); |
12187 |
break;
|
12188 |
default:
|
12189 |
MIPS_INVAL("cp1");
|
12190 |
generate_exception (ctx, EXCP_RI); |
12191 |
break;
|
12192 |
} |
12193 |
} else {
|
12194 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
12195 |
} |
12196 |
break;
|
12197 |
|
12198 |
/* COP2. */
|
12199 |
case OPC_LWC2:
|
12200 |
case OPC_LDC2:
|
12201 |
case OPC_SWC2:
|
12202 |
case OPC_SDC2:
|
12203 |
case OPC_CP2:
|
12204 |
/* COP2: Not implemented. */
|
12205 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
12206 |
break;
|
12207 |
|
12208 |
case OPC_CP3:
|
12209 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
12210 |
check_cp1_enabled(ctx); |
12211 |
op1 = MASK_CP3(ctx->opcode); |
12212 |
switch (op1) {
|
12213 |
case OPC_LWXC1:
|
12214 |
case OPC_LDXC1:
|
12215 |
case OPC_LUXC1:
|
12216 |
case OPC_SWXC1:
|
12217 |
case OPC_SDXC1:
|
12218 |
case OPC_SUXC1:
|
12219 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
12220 |
break;
|
12221 |
case OPC_PREFX:
|
12222 |
/* Treat as NOP. */
|
12223 |
break;
|
12224 |
case OPC_ALNV_PS:
|
12225 |
case OPC_MADD_S:
|
12226 |
case OPC_MADD_D:
|
12227 |
case OPC_MADD_PS:
|
12228 |
case OPC_MSUB_S:
|
12229 |
case OPC_MSUB_D:
|
12230 |
case OPC_MSUB_PS:
|
12231 |
case OPC_NMADD_S:
|
12232 |
case OPC_NMADD_D:
|
12233 |
case OPC_NMADD_PS:
|
12234 |
case OPC_NMSUB_S:
|
12235 |
case OPC_NMSUB_D:
|
12236 |
case OPC_NMSUB_PS:
|
12237 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
12238 |
break;
|
12239 |
default:
|
12240 |
MIPS_INVAL("cp3");
|
12241 |
generate_exception (ctx, EXCP_RI); |
12242 |
break;
|
12243 |
} |
12244 |
} else {
|
12245 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
12246 |
} |
12247 |
break;
|
12248 |
|
12249 |
#if defined(TARGET_MIPS64)
|
12250 |
/* MIPS64 opcodes */
|
12251 |
case OPC_LWU:
|
12252 |
case OPC_LDL ... OPC_LDR:
|
12253 |
case OPC_LLD:
|
12254 |
case OPC_LD:
|
12255 |
check_insn(env, ctx, ISA_MIPS3); |
12256 |
check_mips_64(ctx); |
12257 |
gen_ld(env, ctx, op, rt, rs, imm); |
12258 |
break;
|
12259 |
case OPC_SDL ... OPC_SDR:
|
12260 |
case OPC_SD:
|
12261 |
check_insn(env, ctx, ISA_MIPS3); |
12262 |
check_mips_64(ctx); |
12263 |
gen_st(ctx, op, rt, rs, imm); |
12264 |
break;
|
12265 |
case OPC_SCD:
|
12266 |
check_insn(env, ctx, ISA_MIPS3); |
12267 |
check_mips_64(ctx); |
12268 |
gen_st_cond(ctx, op, rt, rs, imm); |
12269 |
break;
|
12270 |
case OPC_DADDI:
|
12271 |
case OPC_DADDIU:
|
12272 |
check_insn(env, ctx, ISA_MIPS3); |
12273 |
check_mips_64(ctx); |
12274 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
12275 |
break;
|
12276 |
#endif
|
12277 |
case OPC_JALX:
|
12278 |
check_insn(env, ctx, ASE_MIPS16 | ASE_MICROMIPS); |
12279 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
12280 |
gen_compute_branch(ctx, op, 4, rs, rt, offset);
|
12281 |
*is_branch = 1;
|
12282 |
break;
|
12283 |
case OPC_MDMX:
|
12284 |
check_insn(env, ctx, ASE_MDMX); |
12285 |
/* MDMX: Not implemented. */
|
12286 |
default: /* Invalid */ |
12287 |
MIPS_INVAL("major opcode");
|
12288 |
generate_exception(ctx, EXCP_RI); |
12289 |
break;
|
12290 |
} |
12291 |
} |
12292 |
|
12293 |
static inline void |
12294 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
12295 |
int search_pc)
|
12296 |
{ |
12297 |
DisasContext ctx; |
12298 |
target_ulong pc_start; |
12299 |
uint16_t *gen_opc_end; |
12300 |
CPUBreakpoint *bp; |
12301 |
int j, lj = -1; |
12302 |
int num_insns;
|
12303 |
int max_insns;
|
12304 |
int insn_bytes;
|
12305 |
int is_branch;
|
12306 |
|
12307 |
if (search_pc)
|
12308 |
qemu_log("search pc %d\n", search_pc);
|
12309 |
|
12310 |
pc_start = tb->pc; |
12311 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
12312 |
ctx.pc = pc_start; |
12313 |
ctx.saved_pc = -1;
|
12314 |
ctx.singlestep_enabled = env->singlestep_enabled; |
12315 |
ctx.tb = tb; |
12316 |
ctx.bstate = BS_NONE; |
12317 |
/* Restore delay slot state from the tb context. */
|
12318 |
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
|
12319 |
restore_cpu_state(env, &ctx); |
12320 |
#ifdef CONFIG_USER_ONLY
|
12321 |
ctx.mem_idx = MIPS_HFLAG_UM; |
12322 |
#else
|
12323 |
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
12324 |
#endif
|
12325 |
num_insns = 0;
|
12326 |
max_insns = tb->cflags & CF_COUNT_MASK; |
12327 |
if (max_insns == 0) |
12328 |
max_insns = CF_COUNT_MASK; |
12329 |
LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
|
12330 |
gen_icount_start(); |
12331 |
while (ctx.bstate == BS_NONE) {
|
12332 |
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
|
12333 |
QTAILQ_FOREACH(bp, &env->breakpoints, entry) { |
12334 |
if (bp->pc == ctx.pc) {
|
12335 |
save_cpu_state(&ctx, 1);
|
12336 |
ctx.bstate = BS_BRANCH; |
12337 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
12338 |
/* Include the breakpoint location or the tb won't
|
12339 |
* be flushed when it must be. */
|
12340 |
ctx.pc += 4;
|
12341 |
goto done_generating;
|
12342 |
} |
12343 |
} |
12344 |
} |
12345 |
|
12346 |
if (search_pc) {
|
12347 |
j = gen_opc_ptr - gen_opc_buf; |
12348 |
if (lj < j) {
|
12349 |
lj++; |
12350 |
while (lj < j)
|
12351 |
gen_opc_instr_start[lj++] = 0;
|
12352 |
} |
12353 |
gen_opc_pc[lj] = ctx.pc; |
12354 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
12355 |
gen_opc_instr_start[lj] = 1;
|
12356 |
gen_opc_icount[lj] = num_insns; |
12357 |
} |
12358 |
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
12359 |
gen_io_start(); |
12360 |
|
12361 |
is_branch = 0;
|
12362 |
if (!(ctx.hflags & MIPS_HFLAG_M16)) {
|
12363 |
ctx.opcode = ldl_code(ctx.pc); |
12364 |
insn_bytes = 4;
|
12365 |
decode_opc(env, &ctx, &is_branch); |
12366 |
} else if (env->insn_flags & ASE_MICROMIPS) { |
12367 |
ctx.opcode = lduw_code(ctx.pc); |
12368 |
insn_bytes = decode_micromips_opc(env, &ctx, &is_branch); |
12369 |
} else if (env->insn_flags & ASE_MIPS16) { |
12370 |
ctx.opcode = lduw_code(ctx.pc); |
12371 |
insn_bytes = decode_mips16_opc(env, &ctx, &is_branch); |
12372 |
} else {
|
12373 |
generate_exception(&ctx, EXCP_RI); |
12374 |
ctx.bstate = BS_STOP; |
12375 |
break;
|
12376 |
} |
12377 |
if (!is_branch) {
|
12378 |
handle_delay_slot(env, &ctx, insn_bytes); |
12379 |
} |
12380 |
ctx.pc += insn_bytes; |
12381 |
|
12382 |
num_insns++; |
12383 |
|
12384 |
/* Execute a branch and its delay slot as a single instruction.
|
12385 |
This is what GDB expects and is consistent with what the
|
12386 |
hardware does (e.g. if a delay slot instruction faults, the
|
12387 |
reported PC is the PC of the branch). */
|
12388 |
if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0) |
12389 |
break;
|
12390 |
|
12391 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
12392 |
break;
|
12393 |
|
12394 |
if (gen_opc_ptr >= gen_opc_end)
|
12395 |
break;
|
12396 |
|
12397 |
if (num_insns >= max_insns)
|
12398 |
break;
|
12399 |
|
12400 |
if (singlestep)
|
12401 |
break;
|
12402 |
} |
12403 |
if (tb->cflags & CF_LAST_IO)
|
12404 |
gen_io_end(); |
12405 |
if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) {
|
12406 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
12407 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
12408 |
} else {
|
12409 |
switch (ctx.bstate) {
|
12410 |
case BS_STOP:
|
12411 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
12412 |
break;
|
12413 |
case BS_NONE:
|
12414 |
save_cpu_state(&ctx, 0);
|
12415 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
12416 |
break;
|
12417 |
case BS_EXCP:
|
12418 |
tcg_gen_exit_tb(0);
|
12419 |
break;
|
12420 |
case BS_BRANCH:
|
12421 |
default:
|
12422 |
break;
|
12423 |
} |
12424 |
} |
12425 |
done_generating:
|
12426 |
gen_icount_end(tb, num_insns); |
12427 |
*gen_opc_ptr = INDEX_op_end; |
12428 |
if (search_pc) {
|
12429 |
j = gen_opc_ptr - gen_opc_buf; |
12430 |
lj++; |
12431 |
while (lj <= j)
|
12432 |
gen_opc_instr_start[lj++] = 0;
|
12433 |
} else {
|
12434 |
tb->size = ctx.pc - pc_start; |
12435 |
tb->icount = num_insns; |
12436 |
} |
12437 |
#ifdef DEBUG_DISAS
|
12438 |
LOG_DISAS("\n");
|
12439 |
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
|
12440 |
qemu_log("IN: %s\n", lookup_symbol(pc_start));
|
12441 |
log_target_disas(pc_start, ctx.pc - pc_start, 0);
|
12442 |
qemu_log("\n");
|
12443 |
} |
12444 |
#endif
|
12445 |
} |
12446 |
|
12447 |
void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
12448 |
{ |
12449 |
gen_intermediate_code_internal(env, tb, 0);
|
12450 |
} |
12451 |
|
12452 |
void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
12453 |
{ |
12454 |
gen_intermediate_code_internal(env, tb, 1);
|
12455 |
} |
12456 |
|
12457 |
static void fpu_dump_state(CPUState *env, FILE *f, fprintf_function fpu_fprintf, |
12458 |
int flags)
|
12459 |
{ |
12460 |
int i;
|
12461 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
12462 |
|
12463 |
#define printfpr(fp) \
|
12464 |
do { \
|
12465 |
if (is_fpu64) \
|
12466 |
fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
|
12467 |
" fd:%13g fs:%13g psu: %13g\n", \
|
12468 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, \ |
12469 |
(double)(fp)->fd, \
|
12470 |
(double)(fp)->fs[FP_ENDIAN_IDX], \
|
12471 |
(double)(fp)->fs[!FP_ENDIAN_IDX]); \
|
12472 |
else { \
|
12473 |
fpr_t tmp; \ |
12474 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
12475 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
12476 |
fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
|
12477 |
" fd:%13g fs:%13g psu:%13g\n", \
|
12478 |
tmp.w[FP_ENDIAN_IDX], tmp.d, \ |
12479 |
(double)tmp.fd, \
|
12480 |
(double)tmp.fs[FP_ENDIAN_IDX], \
|
12481 |
(double)tmp.fs[!FP_ENDIAN_IDX]); \
|
12482 |
} \ |
12483 |
} while(0) |
12484 |
|
12485 |
|
12486 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%02x\n",
|
12487 |
env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, |
12488 |
get_float_exception_flags(&env->active_fpu.fp_status)); |
12489 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
12490 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
12491 |
printfpr(&env->active_fpu.fpr[i]); |
12492 |
} |
12493 |
|
12494 |
#undef printfpr
|
12495 |
} |
12496 |
|
12497 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
12498 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
12499 |
sign-extended values on 64bit machines. */
|
12500 |
|
12501 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
12502 |
|
12503 |
static void |
12504 |
cpu_mips_check_sign_extensions (CPUState *env, FILE *f, |
12505 |
fprintf_function cpu_fprintf, |
12506 |
int flags)
|
12507 |
{ |
12508 |
int i;
|
12509 |
|
12510 |
if (!SIGN_EXT_P(env->active_tc.PC))
|
12511 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC); |
12512 |
if (!SIGN_EXT_P(env->active_tc.HI[0])) |
12513 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]); |
12514 |
if (!SIGN_EXT_P(env->active_tc.LO[0])) |
12515 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]); |
12516 |
if (!SIGN_EXT_P(env->btarget))
|
12517 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
12518 |
|
12519 |
for (i = 0; i < 32; i++) { |
12520 |
if (!SIGN_EXT_P(env->active_tc.gpr[i]))
|
12521 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]); |
12522 |
} |
12523 |
|
12524 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
12525 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
12526 |
if (!SIGN_EXT_P(env->lladdr))
|
12527 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr); |
12528 |
} |
12529 |
#endif
|
12530 |
|
12531 |
void cpu_dump_state (CPUState *env, FILE *f, fprintf_function cpu_fprintf,
|
12532 |
int flags)
|
12533 |
{ |
12534 |
int i;
|
12535 |
|
12536 |
cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx |
12537 |
" LO=0x" TARGET_FMT_lx " ds %04x " |
12538 |
TARGET_FMT_lx " " TARGET_FMT_ld "\n", |
12539 |
env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0], |
12540 |
env->hflags, env->btarget, env->bcond); |
12541 |
for (i = 0; i < 32; i++) { |
12542 |
if ((i & 3) == 0) |
12543 |
cpu_fprintf(f, "GPR%02d:", i);
|
12544 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
|
12545 |
if ((i & 3) == 3) |
12546 |
cpu_fprintf(f, "\n");
|
12547 |
} |
12548 |
|
12549 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
12550 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
12551 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
12552 |
env->CP0_Config0, env->CP0_Config1, env->lladdr); |
12553 |
if (env->hflags & MIPS_HFLAG_FPU)
|
12554 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
12555 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
12556 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
12557 |
#endif
|
12558 |
} |
12559 |
|
12560 |
static void mips_tcg_init(void) |
12561 |
{ |
12562 |
int i;
|
12563 |
static int inited; |
12564 |
|
12565 |
/* Initialize various static tables. */
|
12566 |
if (inited)
|
12567 |
return;
|
12568 |
|
12569 |
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
|
12570 |
TCGV_UNUSED(cpu_gpr[0]);
|
12571 |
for (i = 1; i < 32; i++) |
12572 |
cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, |
12573 |
offsetof(CPUState, active_tc.gpr[i]), |
12574 |
regnames[i]); |
12575 |
cpu_PC = tcg_global_mem_new(TCG_AREG0, |
12576 |
offsetof(CPUState, active_tc.PC), "PC");
|
12577 |
for (i = 0; i < MIPS_DSP_ACC; i++) { |
12578 |
cpu_HI[i] = tcg_global_mem_new(TCG_AREG0, |
12579 |
offsetof(CPUState, active_tc.HI[i]), |
12580 |
regnames_HI[i]); |
12581 |
cpu_LO[i] = tcg_global_mem_new(TCG_AREG0, |
12582 |
offsetof(CPUState, active_tc.LO[i]), |
12583 |
regnames_LO[i]); |
12584 |
cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0, |
12585 |
offsetof(CPUState, active_tc.ACX[i]), |
12586 |
regnames_ACX[i]); |
12587 |
} |
12588 |
cpu_dspctrl = tcg_global_mem_new(TCG_AREG0, |
12589 |
offsetof(CPUState, active_tc.DSPControl), |
12590 |
"DSPControl");
|
12591 |
bcond = tcg_global_mem_new(TCG_AREG0, |
12592 |
offsetof(CPUState, bcond), "bcond");
|
12593 |
btarget = tcg_global_mem_new(TCG_AREG0, |
12594 |
offsetof(CPUState, btarget), "btarget");
|
12595 |
hflags = tcg_global_mem_new_i32(TCG_AREG0, |
12596 |
offsetof(CPUState, hflags), "hflags");
|
12597 |
|
12598 |
fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0, |
12599 |
offsetof(CPUState, active_fpu.fcr0), |
12600 |
"fcr0");
|
12601 |
fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0, |
12602 |
offsetof(CPUState, active_fpu.fcr31), |
12603 |
"fcr31");
|
12604 |
|
12605 |
/* register helpers */
|
12606 |
#define GEN_HELPER 2 |
12607 |
#include "helper.h" |
12608 |
|
12609 |
inited = 1;
|
12610 |
} |
12611 |
|
12612 |
#include "translate_init.c" |
12613 |
|
12614 |
CPUMIPSState *cpu_mips_init (const char *cpu_model) |
12615 |
{ |
12616 |
CPUMIPSState *env; |
12617 |
const mips_def_t *def;
|
12618 |
|
12619 |
def = cpu_mips_find_by_name(cpu_model); |
12620 |
if (!def)
|
12621 |
return NULL; |
12622 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
12623 |
env->cpu_model = def; |
12624 |
env->cpu_model_str = cpu_model; |
12625 |
|
12626 |
cpu_exec_init(env); |
12627 |
#ifndef CONFIG_USER_ONLY
|
12628 |
mmu_init(env, def); |
12629 |
#endif
|
12630 |
fpu_init(env, def); |
12631 |
mvp_init(env, def); |
12632 |
mips_tcg_init(); |
12633 |
cpu_reset(env); |
12634 |
qemu_init_vcpu(env); |
12635 |
return env;
|
12636 |
} |
12637 |
|
12638 |
void cpu_reset (CPUMIPSState *env)
|
12639 |
{ |
12640 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
12641 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
12642 |
log_cpu_state(env, 0);
|
12643 |
} |
12644 |
|
12645 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
12646 |
tlb_flush(env, 1);
|
12647 |
|
12648 |
/* Reset registers to their default values */
|
12649 |
env->CP0_PRid = env->cpu_model->CP0_PRid; |
12650 |
env->CP0_Config0 = env->cpu_model->CP0_Config0; |
12651 |
#ifdef TARGET_WORDS_BIGENDIAN
|
12652 |
env->CP0_Config0 |= (1 << CP0C0_BE);
|
12653 |
#endif
|
12654 |
env->CP0_Config1 = env->cpu_model->CP0_Config1; |
12655 |
env->CP0_Config2 = env->cpu_model->CP0_Config2; |
12656 |
env->CP0_Config3 = env->cpu_model->CP0_Config3; |
12657 |
env->CP0_Config6 = env->cpu_model->CP0_Config6; |
12658 |
env->CP0_Config7 = env->cpu_model->CP0_Config7; |
12659 |
env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask |
12660 |
<< env->cpu_model->CP0_LLAddr_shift; |
12661 |
env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift; |
12662 |
env->SYNCI_Step = env->cpu_model->SYNCI_Step; |
12663 |
env->CCRes = env->cpu_model->CCRes; |
12664 |
env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask; |
12665 |
env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask; |
12666 |
env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl; |
12667 |
env->current_tc = 0;
|
12668 |
env->SEGBITS = env->cpu_model->SEGBITS; |
12669 |
env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1); |
12670 |
#if defined(TARGET_MIPS64)
|
12671 |
if (env->cpu_model->insn_flags & ISA_MIPS3) {
|
12672 |
env->SEGMask |= 3ULL << 62; |
12673 |
} |
12674 |
#endif
|
12675 |
env->PABITS = env->cpu_model->PABITS; |
12676 |
env->PAMask = (target_ulong)((1ULL << env->cpu_model->PABITS) - 1); |
12677 |
env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask; |
12678 |
env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0; |
12679 |
env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask; |
12680 |
env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1; |
12681 |
env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask; |
12682 |
env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2; |
12683 |
env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask; |
12684 |
env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3; |
12685 |
env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask; |
12686 |
env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4; |
12687 |
env->insn_flags = env->cpu_model->insn_flags; |
12688 |
|
12689 |
#if defined(CONFIG_USER_ONLY)
|
12690 |
env->hflags = MIPS_HFLAG_UM; |
12691 |
/* Enable access to the SYNCI_Step register. */
|
12692 |
env->CP0_HWREna |= (1 << 1); |
12693 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
12694 |
env->hflags |= MIPS_HFLAG_FPU; |
12695 |
} |
12696 |
#ifdef TARGET_MIPS64
|
12697 |
if (env->active_fpu.fcr0 & (1 << FCR0_F64)) { |
12698 |
env->hflags |= MIPS_HFLAG_F64; |
12699 |
} |
12700 |
#endif
|
12701 |
#else
|
12702 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
12703 |
/* If the exception was raised from a delay slot,
|
12704 |
come back to the jump. */
|
12705 |
env->CP0_ErrorEPC = env->active_tc.PC - 4;
|
12706 |
} else {
|
12707 |
env->CP0_ErrorEPC = env->active_tc.PC; |
12708 |
} |
12709 |
env->active_tc.PC = (int32_t)0xBFC00000;
|
12710 |
env->CP0_Random = env->tlb->nb_tlb - 1;
|
12711 |
env->tlb->tlb_in_use = env->tlb->nb_tlb; |
12712 |
env->CP0_Wired = 0;
|
12713 |
env->CP0_EBase = 0x80000000 | (env->cpu_index & 0x3FF); |
12714 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
12715 |
/* vectored interrupts not implemented, timer on int 7,
|
12716 |
no performance counters. */
|
12717 |
env->CP0_IntCtl = 0xe0000000;
|
12718 |
{ |
12719 |
int i;
|
12720 |
|
12721 |
for (i = 0; i < 7; i++) { |
12722 |
env->CP0_WatchLo[i] = 0;
|
12723 |
env->CP0_WatchHi[i] = 0x80000000;
|
12724 |
} |
12725 |
env->CP0_WatchLo[7] = 0; |
12726 |
env->CP0_WatchHi[7] = 0; |
12727 |
} |
12728 |
/* Count register increments in debug mode, EJTAG version 1 */
|
12729 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
12730 |
env->hflags = MIPS_HFLAG_CP0; |
12731 |
#endif
|
12732 |
#if defined(TARGET_MIPS64)
|
12733 |
if (env->cpu_model->insn_flags & ISA_MIPS3) {
|
12734 |
env->hflags |= MIPS_HFLAG_64; |
12735 |
} |
12736 |
#endif
|
12737 |
env->exception_index = EXCP_NONE; |
12738 |
} |
12739 |
|
12740 |
void restore_state_to_opc(CPUState *env, TranslationBlock *tb, int pc_pos) |
12741 |
{ |
12742 |
env->active_tc.PC = gen_opc_pc[pc_pos]; |
12743 |
env->hflags &= ~MIPS_HFLAG_BMASK; |
12744 |
env->hflags |= gen_opc_hflags[pc_pos]; |
12745 |
} |