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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 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_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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/* 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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/* 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_BLTZALL = (0x12 << 16) | OPC_REGIMM, |
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OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, |
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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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|
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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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/* 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) |
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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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}; |
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|
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/* BSHFL opcodes */
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#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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|
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enum {
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OPC_WSBH = (0x02 << 6) | OPC_BSHFL, |
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OPC_SEB = (0x10 << 6) | OPC_BSHFL, |
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OPC_SEH = (0x18 << 6) | OPC_BSHFL, |
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}; |
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|
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/* DBSHFL opcodes */
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#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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|
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enum {
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OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, |
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OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, |
| 308 |
}; |
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|
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/* Coprocessor 0 (rs field) */
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#define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
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|
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enum {
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OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
| 315 |
OPC_DMFC0 = (0x01 << 21) | OPC_CP0, |
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OPC_MTC0 = (0x04 << 21) | OPC_CP0, |
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OPC_DMTC0 = (0x05 << 21) | OPC_CP0, |
| 318 |
OPC_MFTR = (0x08 << 21) | OPC_CP0, |
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OPC_RDPGPR = (0x0A << 21) | OPC_CP0, |
| 320 |
OPC_MFMC0 = (0x0B << 21) | OPC_CP0, |
| 321 |
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, |
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OPC_C0_LAST = (0x1F << 21) | OPC_CP0, |
| 326 |
}; |
| 327 |
|
| 328 |
/* MFMC0 opcodes */
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| 329 |
#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
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|
| 331 |
enum {
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OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
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OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
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OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, |
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OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, |
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OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, |
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OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
| 338 |
}; |
| 339 |
|
| 340 |
/* Coprocessor 0 (with rs == C0) */
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| 341 |
#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
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|
| 343 |
enum {
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OPC_TLBR = 0x01 | OPC_C0,
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OPC_TLBWI = 0x02 | OPC_C0,
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OPC_TLBWR = 0x06 | OPC_C0,
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OPC_TLBP = 0x08 | OPC_C0,
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OPC_RFE = 0x10 | OPC_C0,
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OPC_ERET = 0x18 | OPC_C0,
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OPC_DERET = 0x1F | OPC_C0,
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OPC_WAIT = 0x20 | OPC_C0,
|
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}; |
| 353 |
|
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/* Coprocessor 1 (rs field) */
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#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
| 356 |
|
| 357 |
enum {
|
| 358 |
OPC_MFC1 = (0x00 << 21) | OPC_CP1, |
| 359 |
OPC_DMFC1 = (0x01 << 21) | OPC_CP1, |
| 360 |
OPC_CFC1 = (0x02 << 21) | OPC_CP1, |
| 361 |
OPC_MFHC1 = (0x03 << 21) | OPC_CP1, |
| 362 |
OPC_MTC1 = (0x04 << 21) | OPC_CP1, |
| 363 |
OPC_DMTC1 = (0x05 << 21) | OPC_CP1, |
| 364 |
OPC_CTC1 = (0x06 << 21) | OPC_CP1, |
| 365 |
OPC_MTHC1 = (0x07 << 21) | OPC_CP1, |
| 366 |
OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ |
| 367 |
OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
| 368 |
OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, |
| 369 |
OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */ |
| 370 |
OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */ |
| 371 |
OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */ |
| 372 |
OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ |
| 373 |
OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ |
| 374 |
OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ |
| 375 |
OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ |
| 376 |
}; |
| 377 |
|
| 378 |
#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
| 379 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
| 380 |
|
| 381 |
enum {
|
| 382 |
OPC_BC1F = (0x00 << 16) | OPC_BC1, |
| 383 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
| 384 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
| 385 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
| 386 |
}; |
| 387 |
|
| 388 |
enum {
|
| 389 |
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
| 390 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
| 391 |
}; |
| 392 |
|
| 393 |
enum {
|
| 394 |
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
| 395 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
| 396 |
}; |
| 397 |
|
| 398 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
| 399 |
|
| 400 |
enum {
|
| 401 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
| 402 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
| 403 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
| 404 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
| 405 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
| 406 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
| 407 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
| 408 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
| 409 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
| 410 |
}; |
| 411 |
|
| 412 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
| 413 |
|
| 414 |
enum {
|
| 415 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
| 416 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
| 417 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
| 418 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
| 419 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
| 420 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
| 421 |
OPC_PREFX = 0x0F | OPC_CP3,
|
| 422 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
| 423 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
| 424 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
| 425 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
| 426 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
| 427 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
| 428 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
| 429 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
| 430 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
| 431 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
| 432 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
| 433 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
| 434 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
| 435 |
}; |
| 436 |
|
| 437 |
/* global register indices */
|
| 438 |
static TCGv_ptr cpu_env;
|
| 439 |
static TCGv cpu_gpr[32], cpu_PC; |
| 440 |
static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC];
|
| 441 |
static TCGv cpu_dspctrl, btarget, bcond;
|
| 442 |
static TCGv_i32 hflags;
|
| 443 |
static TCGv_i32 fpu_fcr0, fpu_fcr31;
|
| 444 |
|
| 445 |
#include "gen-icount.h" |
| 446 |
|
| 447 |
#define gen_helper_0i(name, arg) do { \ |
| 448 |
TCGv_i32 helper_tmp = tcg_const_i32(arg); \ |
| 449 |
gen_helper_##name(helper_tmp); \ |
| 450 |
tcg_temp_free_i32(helper_tmp); \ |
| 451 |
} while(0) |
| 452 |
|
| 453 |
#define gen_helper_1i(name, arg1, arg2) do { \ |
| 454 |
TCGv_i32 helper_tmp = tcg_const_i32(arg2); \ |
| 455 |
gen_helper_##name(arg1, helper_tmp); \ |
| 456 |
tcg_temp_free_i32(helper_tmp); \ |
| 457 |
} while(0) |
| 458 |
|
| 459 |
#define gen_helper_2i(name, arg1, arg2, arg3) do { \ |
| 460 |
TCGv_i32 helper_tmp = tcg_const_i32(arg3); \ |
| 461 |
gen_helper_##name(arg1, arg2, helper_tmp); \ |
| 462 |
tcg_temp_free_i32(helper_tmp); \ |
| 463 |
} while(0) |
| 464 |
|
| 465 |
#define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \ |
| 466 |
TCGv_i32 helper_tmp = tcg_const_i32(arg4); \ |
| 467 |
gen_helper_##name(arg1, arg2, arg3, helper_tmp); \ |
| 468 |
tcg_temp_free_i32(helper_tmp); \ |
| 469 |
} while(0) |
| 470 |
|
| 471 |
typedef struct DisasContext { |
| 472 |
struct TranslationBlock *tb;
|
| 473 |
target_ulong pc, saved_pc; |
| 474 |
uint32_t opcode; |
| 475 |
int singlestep_enabled;
|
| 476 |
/* Routine used to access memory */
|
| 477 |
int mem_idx;
|
| 478 |
uint32_t hflags, saved_hflags; |
| 479 |
int bstate;
|
| 480 |
target_ulong btarget; |
| 481 |
} DisasContext; |
| 482 |
|
| 483 |
enum {
|
| 484 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
| 485 |
* exception condition */
|
| 486 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
| 487 |
BS_BRANCH = 2, /* We reached a branch condition */ |
| 488 |
BS_EXCP = 3, /* We reached an exception condition */ |
| 489 |
}; |
| 490 |
|
| 491 |
static const char *regnames[] = |
| 492 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
|
| 493 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
| 494 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
| 495 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
| 496 |
|
| 497 |
static const char *regnames_HI[] = |
| 498 |
{ "HI0", "HI1", "HI2", "HI3", };
|
| 499 |
|
| 500 |
static const char *regnames_LO[] = |
| 501 |
{ "LO0", "LO1", "LO2", "LO3", };
|
| 502 |
|
| 503 |
static const char *regnames_ACX[] = |
| 504 |
{ "ACX0", "ACX1", "ACX2", "ACX3", };
|
| 505 |
|
| 506 |
static const char *fregnames[] = |
| 507 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
|
| 508 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
| 509 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
| 510 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
| 511 |
|
| 512 |
#ifdef MIPS_DEBUG_DISAS
|
| 513 |
#define MIPS_DEBUG(fmt, ...) \
|
| 514 |
qemu_log_mask(CPU_LOG_TB_IN_ASM, \ |
| 515 |
TARGET_FMT_lx ": %08x " fmt "\n", \ |
| 516 |
ctx->pc, ctx->opcode , ## __VA_ARGS__) |
| 517 |
#define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) |
| 518 |
#else
|
| 519 |
#define MIPS_DEBUG(fmt, ...) do { } while(0) |
| 520 |
#define LOG_DISAS(...) do { } while (0) |
| 521 |
#endif
|
| 522 |
|
| 523 |
#define MIPS_INVAL(op) \
|
| 524 |
do { \
|
| 525 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
| 526 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
| 527 |
} while (0) |
| 528 |
|
| 529 |
/* General purpose registers moves. */
|
| 530 |
static inline void gen_load_gpr (TCGv t, int reg) |
| 531 |
{
|
| 532 |
if (reg == 0) |
| 533 |
tcg_gen_movi_tl(t, 0);
|
| 534 |
else
|
| 535 |
tcg_gen_mov_tl(t, cpu_gpr[reg]); |
| 536 |
} |
| 537 |
|
| 538 |
static inline void gen_store_gpr (TCGv t, int reg) |
| 539 |
{
|
| 540 |
if (reg != 0) |
| 541 |
tcg_gen_mov_tl(cpu_gpr[reg], t); |
| 542 |
} |
| 543 |
|
| 544 |
/* Moves to/from ACX register. */
|
| 545 |
static inline void gen_load_ACX (TCGv t, int reg) |
| 546 |
{
|
| 547 |
tcg_gen_mov_tl(t, cpu_ACX[reg]); |
| 548 |
} |
| 549 |
|
| 550 |
static inline void gen_store_ACX (TCGv t, int reg) |
| 551 |
{
|
| 552 |
tcg_gen_mov_tl(cpu_ACX[reg], t); |
| 553 |
} |
| 554 |
|
| 555 |
/* Moves to/from shadow registers. */
|
| 556 |
static inline void gen_load_srsgpr (int from, int to) |
| 557 |
{
|
| 558 |
TCGv t0 = tcg_temp_new(); |
| 559 |
|
| 560 |
if (from == 0) |
| 561 |
tcg_gen_movi_tl(t0, 0);
|
| 562 |
else {
|
| 563 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
| 564 |
TCGv_ptr addr = tcg_temp_new_ptr(); |
| 565 |
|
| 566 |
tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
| 567 |
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
| 568 |
tcg_gen_andi_i32(t2, t2, 0xf);
|
| 569 |
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
| 570 |
tcg_gen_ext_i32_ptr(addr, t2); |
| 571 |
tcg_gen_add_ptr(addr, cpu_env, addr); |
| 572 |
|
| 573 |
tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
|
| 574 |
tcg_temp_free_ptr(addr); |
| 575 |
tcg_temp_free_i32(t2); |
| 576 |
} |
| 577 |
gen_store_gpr(t0, to); |
| 578 |
tcg_temp_free(t0); |
| 579 |
} |
| 580 |
|
| 581 |
static inline void gen_store_srsgpr (int from, int to) |
| 582 |
{
|
| 583 |
if (to != 0) { |
| 584 |
TCGv t0 = tcg_temp_new(); |
| 585 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
| 586 |
TCGv_ptr addr = tcg_temp_new_ptr(); |
| 587 |
|
| 588 |
gen_load_gpr(t0, from); |
| 589 |
tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
| 590 |
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
| 591 |
tcg_gen_andi_i32(t2, t2, 0xf);
|
| 592 |
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
| 593 |
tcg_gen_ext_i32_ptr(addr, t2); |
| 594 |
tcg_gen_add_ptr(addr, cpu_env, addr); |
| 595 |
|
| 596 |
tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
|
| 597 |
tcg_temp_free_ptr(addr); |
| 598 |
tcg_temp_free_i32(t2); |
| 599 |
tcg_temp_free(t0); |
| 600 |
} |
| 601 |
} |
| 602 |
|
| 603 |
/* Floating point register moves. */
|
| 604 |
static inline void gen_load_fpr32 (TCGv_i32 t, int reg) |
| 605 |
{
|
| 606 |
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
| 607 |
} |
| 608 |
|
| 609 |
static inline void gen_store_fpr32 (TCGv_i32 t, int reg) |
| 610 |
{
|
| 611 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
| 612 |
} |
| 613 |
|
| 614 |
static inline void gen_load_fpr32h (TCGv_i32 t, int reg) |
| 615 |
{
|
| 616 |
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
| 617 |
} |
| 618 |
|
| 619 |
static inline void gen_store_fpr32h (TCGv_i32 t, int reg) |
| 620 |
{
|
| 621 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
| 622 |
} |
| 623 |
|
| 624 |
static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
| 625 |
{
|
| 626 |
if (ctx->hflags & MIPS_HFLAG_F64) {
|
| 627 |
tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
| 628 |
} else {
|
| 629 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
| 630 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 631 |
gen_load_fpr32(t0, reg & ~1);
|
| 632 |
gen_load_fpr32(t1, reg | 1);
|
| 633 |
tcg_gen_concat_i32_i64(t, t0, t1); |
| 634 |
tcg_temp_free_i32(t0); |
| 635 |
tcg_temp_free_i32(t1); |
| 636 |
} |
| 637 |
} |
| 638 |
|
| 639 |
static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
| 640 |
{
|
| 641 |
if (ctx->hflags & MIPS_HFLAG_F64) {
|
| 642 |
tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
| 643 |
} else {
|
| 644 |
TCGv_i64 t0 = tcg_temp_new_i64(); |
| 645 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 646 |
tcg_gen_trunc_i64_i32(t1, t); |
| 647 |
gen_store_fpr32(t1, reg & ~1);
|
| 648 |
tcg_gen_shri_i64(t0, t, 32);
|
| 649 |
tcg_gen_trunc_i64_i32(t1, t0); |
| 650 |
gen_store_fpr32(t1, reg | 1);
|
| 651 |
tcg_temp_free_i32(t1); |
| 652 |
tcg_temp_free_i64(t0); |
| 653 |
} |
| 654 |
} |
| 655 |
|
| 656 |
static inline int get_fp_bit (int cc) |
| 657 |
{
|
| 658 |
if (cc)
|
| 659 |
return 24 + cc; |
| 660 |
else
|
| 661 |
return 23; |
| 662 |
} |
| 663 |
|
| 664 |
#define FOP_CONDS(type, fmt, bits) \
|
| 665 |
static inline void gen_cmp ## type ## _ ## fmt(int n, TCGv_i##bits a, \ |
| 666 |
TCGv_i##bits b, int cc) \ |
| 667 |
{ \
|
| 668 |
switch (n) { \
|
| 669 |
case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, a, b, cc); break;\ |
| 670 |
case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, a, b, cc); break;\ |
| 671 |
case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, a, b, cc); break;\ |
| 672 |
case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, a, b, cc); break;\ |
| 673 |
case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, a, b, cc); break;\ |
| 674 |
case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, a, b, cc); break;\ |
| 675 |
case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, a, b, cc); break;\ |
| 676 |
case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, a, b, cc); break;\ |
| 677 |
case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, a, b, cc); break;\ |
| 678 |
case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, a, b, cc); break;\ |
| 679 |
case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, a, b, cc); break;\ |
| 680 |
case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, a, b, cc); break;\ |
| 681 |
case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, a, b, cc); break;\ |
| 682 |
case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, a, b, cc); break;\ |
| 683 |
case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, a, b, cc); break;\ |
| 684 |
case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, a, b, cc); break;\ |
| 685 |
default: abort(); \
|
| 686 |
} \ |
| 687 |
} |
| 688 |
|
| 689 |
FOP_CONDS(, d, 64)
|
| 690 |
FOP_CONDS(abs, d, 64)
|
| 691 |
FOP_CONDS(, s, 32)
|
| 692 |
FOP_CONDS(abs, s, 32)
|
| 693 |
FOP_CONDS(, ps, 64)
|
| 694 |
FOP_CONDS(abs, ps, 64)
|
| 695 |
#undef FOP_CONDS
|
| 696 |
|
| 697 |
/* Tests */
|
| 698 |
#define OP_COND(name, cond) \
|
| 699 |
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, TCGv t1) \ |
| 700 |
{ \
|
| 701 |
int l1 = gen_new_label(); \
|
| 702 |
int l2 = gen_new_label(); \
|
| 703 |
\ |
| 704 |
tcg_gen_brcond_tl(cond, t0, t1, l1); \ |
| 705 |
tcg_gen_movi_tl(ret, 0); \
|
| 706 |
tcg_gen_br(l2); \ |
| 707 |
gen_set_label(l1); \ |
| 708 |
tcg_gen_movi_tl(ret, 1); \
|
| 709 |
gen_set_label(l2); \ |
| 710 |
} |
| 711 |
OP_COND(eq, TCG_COND_EQ); |
| 712 |
OP_COND(ne, TCG_COND_NE); |
| 713 |
OP_COND(ge, TCG_COND_GE); |
| 714 |
OP_COND(geu, TCG_COND_GEU); |
| 715 |
OP_COND(lt, TCG_COND_LT); |
| 716 |
OP_COND(ltu, TCG_COND_LTU); |
| 717 |
#undef OP_COND
|
| 718 |
|
| 719 |
#define OP_CONDI(name, cond) \
|
| 720 |
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, target_ulong val) \ |
| 721 |
{ \
|
| 722 |
int l1 = gen_new_label(); \
|
| 723 |
int l2 = gen_new_label(); \
|
| 724 |
\ |
| 725 |
tcg_gen_brcondi_tl(cond, t0, val, l1); \ |
| 726 |
tcg_gen_movi_tl(ret, 0); \
|
| 727 |
tcg_gen_br(l2); \ |
| 728 |
gen_set_label(l1); \ |
| 729 |
tcg_gen_movi_tl(ret, 1); \
|
| 730 |
gen_set_label(l2); \ |
| 731 |
} |
| 732 |
OP_CONDI(lti, TCG_COND_LT); |
| 733 |
OP_CONDI(ltiu, TCG_COND_LTU); |
| 734 |
#undef OP_CONDI
|
| 735 |
|
| 736 |
#define OP_CONDZ(name, cond) \
|
| 737 |
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0) \ |
| 738 |
{ \
|
| 739 |
int l1 = gen_new_label(); \
|
| 740 |
int l2 = gen_new_label(); \
|
| 741 |
\ |
| 742 |
tcg_gen_brcondi_tl(cond, t0, 0, l1); \
|
| 743 |
tcg_gen_movi_tl(ret, 0); \
|
| 744 |
tcg_gen_br(l2); \ |
| 745 |
gen_set_label(l1); \ |
| 746 |
tcg_gen_movi_tl(ret, 1); \
|
| 747 |
gen_set_label(l2); \ |
| 748 |
} |
| 749 |
OP_CONDZ(gez, TCG_COND_GE); |
| 750 |
OP_CONDZ(gtz, TCG_COND_GT); |
| 751 |
OP_CONDZ(lez, TCG_COND_LE); |
| 752 |
OP_CONDZ(ltz, TCG_COND_LT); |
| 753 |
#undef OP_CONDZ
|
| 754 |
|
| 755 |
static inline void gen_save_pc(target_ulong pc) |
| 756 |
{
|
| 757 |
tcg_gen_movi_tl(cpu_PC, pc); |
| 758 |
} |
| 759 |
|
| 760 |
static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
| 761 |
{
|
| 762 |
LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
|
| 763 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
| 764 |
gen_save_pc(ctx->pc); |
| 765 |
ctx->saved_pc = ctx->pc; |
| 766 |
} |
| 767 |
if (ctx->hflags != ctx->saved_hflags) {
|
| 768 |
tcg_gen_movi_i32(hflags, ctx->hflags); |
| 769 |
ctx->saved_hflags = ctx->hflags; |
| 770 |
switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
|
| 771 |
case MIPS_HFLAG_BR:
|
| 772 |
break;
|
| 773 |
case MIPS_HFLAG_BC:
|
| 774 |
case MIPS_HFLAG_BL:
|
| 775 |
case MIPS_HFLAG_B:
|
| 776 |
tcg_gen_movi_tl(btarget, ctx->btarget); |
| 777 |
break;
|
| 778 |
} |
| 779 |
} |
| 780 |
} |
| 781 |
|
| 782 |
static inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
| 783 |
{
|
| 784 |
ctx->saved_hflags = ctx->hflags; |
| 785 |
switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
|
| 786 |
case MIPS_HFLAG_BR:
|
| 787 |
break;
|
| 788 |
case MIPS_HFLAG_BC:
|
| 789 |
case MIPS_HFLAG_BL:
|
| 790 |
case MIPS_HFLAG_B:
|
| 791 |
ctx->btarget = env->btarget; |
| 792 |
break;
|
| 793 |
} |
| 794 |
} |
| 795 |
|
| 796 |
static inline void |
| 797 |
generate_exception_err (DisasContext *ctx, int excp, int err) |
| 798 |
{
|
| 799 |
TCGv_i32 texcp = tcg_const_i32(excp); |
| 800 |
TCGv_i32 terr = tcg_const_i32(err); |
| 801 |
save_cpu_state(ctx, 1);
|
| 802 |
gen_helper_raise_exception_err(texcp, terr); |
| 803 |
tcg_temp_free_i32(terr); |
| 804 |
tcg_temp_free_i32(texcp); |
| 805 |
} |
| 806 |
|
| 807 |
static inline void |
| 808 |
generate_exception (DisasContext *ctx, int excp)
|
| 809 |
{
|
| 810 |
save_cpu_state(ctx, 1);
|
| 811 |
gen_helper_0i(raise_exception, excp); |
| 812 |
} |
| 813 |
|
| 814 |
/* Addresses computation */
|
| 815 |
static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) |
| 816 |
{
|
| 817 |
tcg_gen_add_tl(ret, arg0, arg1); |
| 818 |
|
| 819 |
#if defined(TARGET_MIPS64)
|
| 820 |
/* For compatibility with 32-bit code, data reference in user mode
|
| 821 |
with Status_UX = 0 should be casted to 32-bit and sign extended.
|
| 822 |
See the MIPS64 PRA manual, section 4.10. */
|
| 823 |
if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
|
| 824 |
!(ctx->hflags & MIPS_HFLAG_UX)) {
|
| 825 |
tcg_gen_ext32s_i64(ret, ret); |
| 826 |
} |
| 827 |
#endif
|
| 828 |
} |
| 829 |
|
| 830 |
static inline void check_cp0_enabled(DisasContext *ctx) |
| 831 |
{
|
| 832 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
|
| 833 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 834 |
} |
| 835 |
|
| 836 |
static inline void check_cp1_enabled(DisasContext *ctx) |
| 837 |
{
|
| 838 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
|
| 839 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 840 |
} |
| 841 |
|
| 842 |
/* Verify that the processor is running with COP1X instructions enabled.
|
| 843 |
This is associated with the nabla symbol in the MIPS32 and MIPS64
|
| 844 |
opcode tables. */
|
| 845 |
|
| 846 |
static inline void check_cop1x(DisasContext *ctx) |
| 847 |
{
|
| 848 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
|
| 849 |
generate_exception(ctx, EXCP_RI); |
| 850 |
} |
| 851 |
|
| 852 |
/* Verify that the processor is running with 64-bit floating-point
|
| 853 |
operations enabled. */
|
| 854 |
|
| 855 |
static inline void check_cp1_64bitmode(DisasContext *ctx) |
| 856 |
{
|
| 857 |
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
|
| 858 |
generate_exception(ctx, EXCP_RI); |
| 859 |
} |
| 860 |
|
| 861 |
/*
|
| 862 |
* Verify if floating point register is valid; an operation is not defined
|
| 863 |
* if bit 0 of any register specification is set and the FR bit in the
|
| 864 |
* Status register equals zero, since the register numbers specify an
|
| 865 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
| 866 |
* in the Status register equals one, both even and odd register numbers
|
| 867 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
| 868 |
*
|
| 869 |
* Multiple 64 bit wide registers can be checked by calling
|
| 870 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
| 871 |
*/
|
| 872 |
static inline void check_cp1_registers(DisasContext *ctx, int regs) |
| 873 |
{
|
| 874 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
| 875 |
generate_exception(ctx, EXCP_RI); |
| 876 |
} |
| 877 |
|
| 878 |
/* This code generates a "reserved instruction" exception if the
|
| 879 |
CPU does not support the instruction set corresponding to flags. */
|
| 880 |
static inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
| 881 |
{
|
| 882 |
if (unlikely(!(env->insn_flags & flags)))
|
| 883 |
generate_exception(ctx, EXCP_RI); |
| 884 |
} |
| 885 |
|
| 886 |
/* This code generates a "reserved instruction" exception if 64-bit
|
| 887 |
instructions are not enabled. */
|
| 888 |
static inline void check_mips_64(DisasContext *ctx) |
| 889 |
{
|
| 890 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
|
| 891 |
generate_exception(ctx, EXCP_RI); |
| 892 |
} |
| 893 |
|
| 894 |
/* load/store instructions. */
|
| 895 |
#define OP_LD(insn,fname) \
|
| 896 |
static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
| 897 |
{ \
|
| 898 |
tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ |
| 899 |
} |
| 900 |
OP_LD(lb,ld8s); |
| 901 |
OP_LD(lbu,ld8u); |
| 902 |
OP_LD(lh,ld16s); |
| 903 |
OP_LD(lhu,ld16u); |
| 904 |
OP_LD(lw,ld32s); |
| 905 |
#if defined(TARGET_MIPS64)
|
| 906 |
OP_LD(lwu,ld32u); |
| 907 |
OP_LD(ld,ld64); |
| 908 |
#endif
|
| 909 |
#undef OP_LD
|
| 910 |
|
| 911 |
#define OP_ST(insn,fname) \
|
| 912 |
static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \ |
| 913 |
{ \
|
| 914 |
tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \ |
| 915 |
} |
| 916 |
OP_ST(sb,st8); |
| 917 |
OP_ST(sh,st16); |
| 918 |
OP_ST(sw,st32); |
| 919 |
#if defined(TARGET_MIPS64)
|
| 920 |
OP_ST(sd,st64); |
| 921 |
#endif
|
| 922 |
#undef OP_ST
|
| 923 |
|
| 924 |
#ifdef CONFIG_USER_ONLY
|
| 925 |
#define OP_LD_ATOMIC(insn,fname) \
|
| 926 |
static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
| 927 |
{ \
|
| 928 |
TCGv t0 = tcg_temp_new(); \ |
| 929 |
tcg_gen_mov_tl(t0, arg1); \ |
| 930 |
tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ |
| 931 |
tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
| 932 |
tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \ |
| 933 |
tcg_temp_free(t0); \ |
| 934 |
} |
| 935 |
#else
|
| 936 |
#define OP_LD_ATOMIC(insn,fname) \
|
| 937 |
static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
| 938 |
{ \
|
| 939 |
gen_helper_2i(insn, ret, arg1, ctx->mem_idx); \ |
| 940 |
} |
| 941 |
#endif
|
| 942 |
OP_LD_ATOMIC(ll,ld32s); |
| 943 |
#if defined(TARGET_MIPS64)
|
| 944 |
OP_LD_ATOMIC(lld,ld64); |
| 945 |
#endif
|
| 946 |
#undef OP_LD_ATOMIC
|
| 947 |
|
| 948 |
#ifdef CONFIG_USER_ONLY
|
| 949 |
#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
|
| 950 |
static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
| 951 |
{ \
|
| 952 |
TCGv t0 = tcg_temp_new(); \ |
| 953 |
int l1 = gen_new_label(); \
|
| 954 |
int l2 = gen_new_label(); \
|
| 955 |
\ |
| 956 |
tcg_gen_andi_tl(t0, arg2, almask); \ |
| 957 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
|
| 958 |
tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \ |
| 959 |
generate_exception(ctx, EXCP_AdES); \ |
| 960 |
gen_set_label(l1); \ |
| 961 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \ |
| 962 |
tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \ |
| 963 |
tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \ |
| 964 |
tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \ |
| 965 |
tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \ |
| 966 |
gen_helper_0i(raise_exception, EXCP_SC); \ |
| 967 |
gen_set_label(l2); \ |
| 968 |
tcg_gen_movi_tl(t0, 0); \
|
| 969 |
gen_store_gpr(t0, rt); \ |
| 970 |
tcg_temp_free(t0); \ |
| 971 |
} |
| 972 |
#else
|
| 973 |
#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
|
| 974 |
static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
| 975 |
{ \
|
| 976 |
TCGv t0 = tcg_temp_new(); \ |
| 977 |
gen_helper_3i(insn, t0, arg1, arg2, ctx->mem_idx); \ |
| 978 |
gen_store_gpr(t0, rt); \ |
| 979 |
tcg_temp_free(t0); \ |
| 980 |
} |
| 981 |
#endif
|
| 982 |
OP_ST_ATOMIC(sc,st32,ld32s,0x3);
|
| 983 |
#if defined(TARGET_MIPS64)
|
| 984 |
OP_ST_ATOMIC(scd,st64,ld64,0x7);
|
| 985 |
#endif
|
| 986 |
#undef OP_ST_ATOMIC
|
| 987 |
|
| 988 |
static void gen_base_offset_addr (DisasContext *ctx, TCGv addr, |
| 989 |
int base, int16_t offset)
|
| 990 |
{
|
| 991 |
if (base == 0) { |
| 992 |
tcg_gen_movi_tl(addr, offset); |
| 993 |
} else if (offset == 0) { |
| 994 |
gen_load_gpr(addr, base); |
| 995 |
} else {
|
| 996 |
tcg_gen_movi_tl(addr, offset); |
| 997 |
gen_op_addr_add(ctx, addr, cpu_gpr[base], addr); |
| 998 |
} |
| 999 |
} |
| 1000 |
|
| 1001 |
static target_ulong pc_relative_pc (DisasContext *ctx)
|
| 1002 |
{
|
| 1003 |
target_ulong pc = ctx->pc; |
| 1004 |
|
| 1005 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
| 1006 |
int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4; |
| 1007 |
|
| 1008 |
pc -= branch_bytes; |
| 1009 |
} |
| 1010 |
|
| 1011 |
pc &= ~(target_ulong)3;
|
| 1012 |
return pc;
|
| 1013 |
} |
| 1014 |
|
| 1015 |
/* Load and store */
|
| 1016 |
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
| 1017 |
int base, int16_t offset)
|
| 1018 |
{
|
| 1019 |
const char *opn = "ldst"; |
| 1020 |
TCGv t0 = tcg_temp_new(); |
| 1021 |
TCGv t1 = tcg_temp_new(); |
| 1022 |
|
| 1023 |
gen_base_offset_addr(ctx, t0, base, offset); |
| 1024 |
/* Don't do NOP if destination is zero: we must perform the actual
|
| 1025 |
memory access. */
|
| 1026 |
switch (opc) {
|
| 1027 |
#if defined(TARGET_MIPS64)
|
| 1028 |
case OPC_LWU:
|
| 1029 |
save_cpu_state(ctx, 0);
|
| 1030 |
op_ldst_lwu(t0, t0, ctx); |
| 1031 |
gen_store_gpr(t0, rt); |
| 1032 |
opn = "lwu";
|
| 1033 |
break;
|
| 1034 |
case OPC_LD:
|
| 1035 |
save_cpu_state(ctx, 0);
|
| 1036 |
op_ldst_ld(t0, t0, ctx); |
| 1037 |
gen_store_gpr(t0, rt); |
| 1038 |
opn = "ld";
|
| 1039 |
break;
|
| 1040 |
case OPC_LLD:
|
| 1041 |
save_cpu_state(ctx, 0);
|
| 1042 |
op_ldst_lld(t0, t0, ctx); |
| 1043 |
gen_store_gpr(t0, rt); |
| 1044 |
opn = "lld";
|
| 1045 |
break;
|
| 1046 |
case OPC_SD:
|
| 1047 |
save_cpu_state(ctx, 0);
|
| 1048 |
gen_load_gpr(t1, rt); |
| 1049 |
op_ldst_sd(t1, t0, ctx); |
| 1050 |
opn = "sd";
|
| 1051 |
break;
|
| 1052 |
case OPC_LDL:
|
| 1053 |
save_cpu_state(ctx, 1);
|
| 1054 |
gen_load_gpr(t1, rt); |
| 1055 |
gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx); |
| 1056 |
gen_store_gpr(t1, rt); |
| 1057 |
opn = "ldl";
|
| 1058 |
break;
|
| 1059 |
case OPC_SDL:
|
| 1060 |
save_cpu_state(ctx, 1);
|
| 1061 |
gen_load_gpr(t1, rt); |
| 1062 |
gen_helper_2i(sdl, t1, t0, ctx->mem_idx); |
| 1063 |
opn = "sdl";
|
| 1064 |
break;
|
| 1065 |
case OPC_LDR:
|
| 1066 |
save_cpu_state(ctx, 1);
|
| 1067 |
gen_load_gpr(t1, rt); |
| 1068 |
gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx); |
| 1069 |
gen_store_gpr(t1, rt); |
| 1070 |
opn = "ldr";
|
| 1071 |
break;
|
| 1072 |
case OPC_SDR:
|
| 1073 |
save_cpu_state(ctx, 1);
|
| 1074 |
gen_load_gpr(t1, rt); |
| 1075 |
gen_helper_2i(sdr, t1, t0, ctx->mem_idx); |
| 1076 |
opn = "sdr";
|
| 1077 |
break;
|
| 1078 |
case OPC_LDPC:
|
| 1079 |
save_cpu_state(ctx, 1);
|
| 1080 |
tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); |
| 1081 |
gen_op_addr_add(ctx, t0, t0, t1); |
| 1082 |
op_ldst_ld(t0, t0, ctx); |
| 1083 |
gen_store_gpr(t0, rt); |
| 1084 |
break;
|
| 1085 |
#endif
|
| 1086 |
case OPC_LWPC:
|
| 1087 |
save_cpu_state(ctx, 1);
|
| 1088 |
tcg_gen_movi_tl(t1, pc_relative_pc(ctx)); |
| 1089 |
gen_op_addr_add(ctx, t0, t0, t1); |
| 1090 |
op_ldst_lw(t0, t0, ctx); |
| 1091 |
gen_store_gpr(t0, rt); |
| 1092 |
break;
|
| 1093 |
case OPC_LW:
|
| 1094 |
save_cpu_state(ctx, 0);
|
| 1095 |
op_ldst_lw(t0, t0, ctx); |
| 1096 |
gen_store_gpr(t0, rt); |
| 1097 |
opn = "lw";
|
| 1098 |
break;
|
| 1099 |
case OPC_SW:
|
| 1100 |
save_cpu_state(ctx, 0);
|
| 1101 |
gen_load_gpr(t1, rt); |
| 1102 |
op_ldst_sw(t1, t0, ctx); |
| 1103 |
opn = "sw";
|
| 1104 |
break;
|
| 1105 |
case OPC_LH:
|
| 1106 |
save_cpu_state(ctx, 0);
|
| 1107 |
op_ldst_lh(t0, t0, ctx); |
| 1108 |
gen_store_gpr(t0, rt); |
| 1109 |
opn = "lh";
|
| 1110 |
break;
|
| 1111 |
case OPC_SH:
|
| 1112 |
save_cpu_state(ctx, 0);
|
| 1113 |
gen_load_gpr(t1, rt); |
| 1114 |
op_ldst_sh(t1, t0, ctx); |
| 1115 |
opn = "sh";
|
| 1116 |
break;
|
| 1117 |
case OPC_LHU:
|
| 1118 |
save_cpu_state(ctx, 0);
|
| 1119 |
op_ldst_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_ldst_lb(t0, t0, ctx); |
| 1126 |
gen_store_gpr(t0, rt); |
| 1127 |
opn = "lb";
|
| 1128 |
break;
|
| 1129 |
case OPC_SB:
|
| 1130 |
save_cpu_state(ctx, 0);
|
| 1131 |
gen_load_gpr(t1, rt); |
| 1132 |
op_ldst_sb(t1, t0, ctx); |
| 1133 |
opn = "sb";
|
| 1134 |
break;
|
| 1135 |
case OPC_LBU:
|
| 1136 |
save_cpu_state(ctx, 0);
|
| 1137 |
op_ldst_lbu(t0, t0, ctx); |
| 1138 |
gen_store_gpr(t0, rt); |
| 1139 |
opn = "lbu";
|
| 1140 |
break;
|
| 1141 |
case OPC_LWL:
|
| 1142 |
save_cpu_state(ctx, 1);
|
| 1143 |
gen_load_gpr(t1, rt); |
| 1144 |
gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx); |
| 1145 |
gen_store_gpr(t1, rt); |
| 1146 |
opn = "lwl";
|
| 1147 |
break;
|
| 1148 |
case OPC_SWL:
|
| 1149 |
save_cpu_state(ctx, 1);
|
| 1150 |
gen_load_gpr(t1, rt); |
| 1151 |
gen_helper_2i(swl, t1, t0, ctx->mem_idx); |
| 1152 |
opn = "swr";
|
| 1153 |
break;
|
| 1154 |
case OPC_LWR:
|
| 1155 |
save_cpu_state(ctx, 1);
|
| 1156 |
gen_load_gpr(t1, rt); |
| 1157 |
gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx); |
| 1158 |
gen_store_gpr(t1, rt); |
| 1159 |
opn = "lwr";
|
| 1160 |
break;
|
| 1161 |
case OPC_SWR:
|
| 1162 |
save_cpu_state(ctx, 1);
|
| 1163 |
gen_load_gpr(t1, rt); |
| 1164 |
gen_helper_2i(swr, t1, t0, ctx->mem_idx); |
| 1165 |
opn = "swr";
|
| 1166 |
break;
|
| 1167 |
case OPC_LL:
|
| 1168 |
save_cpu_state(ctx, 1);
|
| 1169 |
op_ldst_ll(t0, t0, ctx); |
| 1170 |
gen_store_gpr(t0, rt); |
| 1171 |
opn = "ll";
|
| 1172 |
break;
|
| 1173 |
} |
| 1174 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
| 1175 |
tcg_temp_free(t0); |
| 1176 |
tcg_temp_free(t1); |
| 1177 |
} |
| 1178 |
|
| 1179 |
/* Store conditional */
|
| 1180 |
static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt, |
| 1181 |
int base, int16_t offset)
|
| 1182 |
{
|
| 1183 |
const char *opn = "st_cond"; |
| 1184 |
TCGv t0, t1; |
| 1185 |
|
| 1186 |
t0 = tcg_temp_local_new(); |
| 1187 |
|
| 1188 |
gen_base_offset_addr(ctx, t0, base, offset); |
| 1189 |
/* Don't do NOP if destination is zero: we must perform the actual
|
| 1190 |
memory access. */
|
| 1191 |
|
| 1192 |
t1 = tcg_temp_local_new(); |
| 1193 |
gen_load_gpr(t1, rt); |
| 1194 |
switch (opc) {
|
| 1195 |
#if defined(TARGET_MIPS64)
|
| 1196 |
case OPC_SCD:
|
| 1197 |
save_cpu_state(ctx, 0);
|
| 1198 |
op_ldst_scd(t1, t0, rt, ctx); |
| 1199 |
opn = "scd";
|
| 1200 |
break;
|
| 1201 |
#endif
|
| 1202 |
case OPC_SC:
|
| 1203 |
save_cpu_state(ctx, 1);
|
| 1204 |
op_ldst_sc(t1, t0, rt, ctx); |
| 1205 |
opn = "sc";
|
| 1206 |
break;
|
| 1207 |
} |
| 1208 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
| 1209 |
tcg_temp_free(t1); |
| 1210 |
tcg_temp_free(t0); |
| 1211 |
} |
| 1212 |
|
| 1213 |
/* Load and store */
|
| 1214 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
| 1215 |
int base, int16_t offset)
|
| 1216 |
{
|
| 1217 |
const char *opn = "flt_ldst"; |
| 1218 |
TCGv t0 = tcg_temp_new(); |
| 1219 |
|
| 1220 |
gen_base_offset_addr(ctx, t0, base, offset); |
| 1221 |
/* Don't do NOP if destination is zero: we must perform the actual
|
| 1222 |
memory access. */
|
| 1223 |
switch (opc) {
|
| 1224 |
case OPC_LWC1:
|
| 1225 |
{
|
| 1226 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 1227 |
|
| 1228 |
tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
| 1229 |
tcg_gen_trunc_tl_i32(fp0, t0); |
| 1230 |
gen_store_fpr32(fp0, ft); |
| 1231 |
tcg_temp_free_i32(fp0); |
| 1232 |
} |
| 1233 |
opn = "lwc1";
|
| 1234 |
break;
|
| 1235 |
case OPC_SWC1:
|
| 1236 |
{
|
| 1237 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 1238 |
TCGv t1 = tcg_temp_new(); |
| 1239 |
|
| 1240 |
gen_load_fpr32(fp0, ft); |
| 1241 |
tcg_gen_extu_i32_tl(t1, fp0); |
| 1242 |
tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
| 1243 |
tcg_temp_free(t1); |
| 1244 |
tcg_temp_free_i32(fp0); |
| 1245 |
} |
| 1246 |
opn = "swc1";
|
| 1247 |
break;
|
| 1248 |
case OPC_LDC1:
|
| 1249 |
{
|
| 1250 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 1251 |
|
| 1252 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
| 1253 |
gen_store_fpr64(ctx, fp0, ft); |
| 1254 |
tcg_temp_free_i64(fp0); |
| 1255 |
} |
| 1256 |
opn = "ldc1";
|
| 1257 |
break;
|
| 1258 |
case OPC_SDC1:
|
| 1259 |
{
|
| 1260 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 1261 |
|
| 1262 |
gen_load_fpr64(ctx, fp0, ft); |
| 1263 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
| 1264 |
tcg_temp_free_i64(fp0); |
| 1265 |
} |
| 1266 |
opn = "sdc1";
|
| 1267 |
break;
|
| 1268 |
default:
|
| 1269 |
MIPS_INVAL(opn); |
| 1270 |
generate_exception(ctx, EXCP_RI); |
| 1271 |
goto out;
|
| 1272 |
} |
| 1273 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
| 1274 |
out:
|
| 1275 |
tcg_temp_free(t0); |
| 1276 |
} |
| 1277 |
|
| 1278 |
/* Arithmetic with immediate operand */
|
| 1279 |
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
| 1280 |
int rt, int rs, int16_t imm) |
| 1281 |
{
|
| 1282 |
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
| 1283 |
const char *opn = "imm arith"; |
| 1284 |
|
| 1285 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
| 1286 |
/* If no destination, treat it as a NOP.
|
| 1287 |
For addi, we must generate the overflow exception when needed. */
|
| 1288 |
MIPS_DEBUG("NOP");
|
| 1289 |
return;
|
| 1290 |
} |
| 1291 |
switch (opc) {
|
| 1292 |
case OPC_ADDI:
|
| 1293 |
{
|
| 1294 |
TCGv t0 = tcg_temp_local_new(); |
| 1295 |
TCGv t1 = tcg_temp_new(); |
| 1296 |
TCGv t2 = tcg_temp_new(); |
| 1297 |
int l1 = gen_new_label();
|
| 1298 |
|
| 1299 |
gen_load_gpr(t1, rs); |
| 1300 |
tcg_gen_addi_tl(t0, t1, uimm); |
| 1301 |
tcg_gen_ext32s_tl(t0, t0); |
| 1302 |
|
| 1303 |
tcg_gen_xori_tl(t1, t1, ~uimm); |
| 1304 |
tcg_gen_xori_tl(t2, t0, uimm); |
| 1305 |
tcg_gen_and_tl(t1, t1, t2); |
| 1306 |
tcg_temp_free(t2); |
| 1307 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
| 1308 |
tcg_temp_free(t1); |
| 1309 |
/* operands of same sign, result different sign */
|
| 1310 |
generate_exception(ctx, EXCP_OVERFLOW); |
| 1311 |
gen_set_label(l1); |
| 1312 |
tcg_gen_ext32s_tl(t0, t0); |
| 1313 |
gen_store_gpr(t0, rt); |
| 1314 |
tcg_temp_free(t0); |
| 1315 |
} |
| 1316 |
opn = "addi";
|
| 1317 |
break;
|
| 1318 |
case OPC_ADDIU:
|
| 1319 |
if (rs != 0) { |
| 1320 |
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| 1321 |
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); |
| 1322 |
} else {
|
| 1323 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| 1324 |
} |
| 1325 |
opn = "addiu";
|
| 1326 |
break;
|
| 1327 |
#if defined(TARGET_MIPS64)
|
| 1328 |
case OPC_DADDI:
|
| 1329 |
{
|
| 1330 |
TCGv t0 = tcg_temp_local_new(); |
| 1331 |
TCGv t1 = tcg_temp_new(); |
| 1332 |
TCGv t2 = tcg_temp_new(); |
| 1333 |
int l1 = gen_new_label();
|
| 1334 |
|
| 1335 |
gen_load_gpr(t1, rs); |
| 1336 |
tcg_gen_addi_tl(t0, t1, uimm); |
| 1337 |
|
| 1338 |
tcg_gen_xori_tl(t1, t1, ~uimm); |
| 1339 |
tcg_gen_xori_tl(t2, t0, uimm); |
| 1340 |
tcg_gen_and_tl(t1, t1, t2); |
| 1341 |
tcg_temp_free(t2); |
| 1342 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
| 1343 |
tcg_temp_free(t1); |
| 1344 |
/* operands of same sign, result different sign */
|
| 1345 |
generate_exception(ctx, EXCP_OVERFLOW); |
| 1346 |
gen_set_label(l1); |
| 1347 |
gen_store_gpr(t0, rt); |
| 1348 |
tcg_temp_free(t0); |
| 1349 |
} |
| 1350 |
opn = "daddi";
|
| 1351 |
break;
|
| 1352 |
case OPC_DADDIU:
|
| 1353 |
if (rs != 0) { |
| 1354 |
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| 1355 |
} else {
|
| 1356 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| 1357 |
} |
| 1358 |
opn = "daddiu";
|
| 1359 |
break;
|
| 1360 |
#endif
|
| 1361 |
} |
| 1362 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
| 1363 |
} |
| 1364 |
|
| 1365 |
/* Logic with immediate operand */
|
| 1366 |
static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
| 1367 |
{
|
| 1368 |
target_ulong uimm; |
| 1369 |
const char *opn = "imm logic"; |
| 1370 |
|
| 1371 |
if (rt == 0) { |
| 1372 |
/* If no destination, treat it as a NOP. */
|
| 1373 |
MIPS_DEBUG("NOP");
|
| 1374 |
return;
|
| 1375 |
} |
| 1376 |
uimm = (uint16_t)imm; |
| 1377 |
switch (opc) {
|
| 1378 |
case OPC_ANDI:
|
| 1379 |
if (likely(rs != 0)) |
| 1380 |
tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| 1381 |
else
|
| 1382 |
tcg_gen_movi_tl(cpu_gpr[rt], 0);
|
| 1383 |
opn = "andi";
|
| 1384 |
break;
|
| 1385 |
case OPC_ORI:
|
| 1386 |
if (rs != 0) |
| 1387 |
tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| 1388 |
else
|
| 1389 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| 1390 |
opn = "ori";
|
| 1391 |
break;
|
| 1392 |
case OPC_XORI:
|
| 1393 |
if (likely(rs != 0)) |
| 1394 |
tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
| 1395 |
else
|
| 1396 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
| 1397 |
opn = "xori";
|
| 1398 |
break;
|
| 1399 |
case OPC_LUI:
|
| 1400 |
tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
|
| 1401 |
opn = "lui";
|
| 1402 |
break;
|
| 1403 |
} |
| 1404 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
| 1405 |
} |
| 1406 |
|
| 1407 |
/* Set on less than with immediate operand */
|
| 1408 |
static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
| 1409 |
{
|
| 1410 |
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
| 1411 |
const char *opn = "imm arith"; |
| 1412 |
TCGv t0; |
| 1413 |
|
| 1414 |
if (rt == 0) { |
| 1415 |
/* If no destination, treat it as a NOP. */
|
| 1416 |
MIPS_DEBUG("NOP");
|
| 1417 |
return;
|
| 1418 |
} |
| 1419 |
t0 = tcg_temp_new(); |
| 1420 |
gen_load_gpr(t0, rs); |
| 1421 |
switch (opc) {
|
| 1422 |
case OPC_SLTI:
|
| 1423 |
gen_op_lti(cpu_gpr[rt], t0, uimm); |
| 1424 |
opn = "slti";
|
| 1425 |
break;
|
| 1426 |
case OPC_SLTIU:
|
| 1427 |
gen_op_ltiu(cpu_gpr[rt], t0, uimm); |
| 1428 |
opn = "sltiu";
|
| 1429 |
break;
|
| 1430 |
} |
| 1431 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
| 1432 |
tcg_temp_free(t0); |
| 1433 |
} |
| 1434 |
|
| 1435 |
/* Shifts with immediate operand */
|
| 1436 |
static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc, |
| 1437 |
int rt, int rs, int16_t imm) |
| 1438 |
{
|
| 1439 |
target_ulong uimm = ((uint16_t)imm) & 0x1f;
|
| 1440 |
const char *opn = "imm shift"; |
| 1441 |
TCGv t0; |
| 1442 |
|
| 1443 |
if (rt == 0) { |
| 1444 |
/* If no destination, treat it as a NOP. */
|
| 1445 |
MIPS_DEBUG("NOP");
|
| 1446 |
return;
|
| 1447 |
} |
| 1448 |
|
| 1449 |
t0 = tcg_temp_new(); |
| 1450 |
gen_load_gpr(t0, rs); |
| 1451 |
switch (opc) {
|
| 1452 |
case OPC_SLL:
|
| 1453 |
tcg_gen_shli_tl(t0, t0, uimm); |
| 1454 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
| 1455 |
opn = "sll";
|
| 1456 |
break;
|
| 1457 |
case OPC_SRA:
|
| 1458 |
tcg_gen_ext32s_tl(t0, t0); |
| 1459 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
| 1460 |
opn = "sra";
|
| 1461 |
break;
|
| 1462 |
case OPC_SRL:
|
| 1463 |
if (uimm != 0) { |
| 1464 |
tcg_gen_ext32u_tl(t0, t0); |
| 1465 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
| 1466 |
} else {
|
| 1467 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
| 1468 |
} |
| 1469 |
opn = "srl";
|
| 1470 |
break;
|
| 1471 |
case OPC_ROTR:
|
| 1472 |
if (uimm != 0) { |
| 1473 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 1474 |
|
| 1475 |
tcg_gen_trunc_tl_i32(t1, t0); |
| 1476 |
tcg_gen_rotri_i32(t1, t1, uimm); |
| 1477 |
tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); |
| 1478 |
tcg_temp_free_i32(t1); |
| 1479 |
} |
| 1480 |
opn = "rotr";
|
| 1481 |
break;
|
| 1482 |
#if defined(TARGET_MIPS64)
|
| 1483 |
case OPC_DSLL:
|
| 1484 |
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); |
| 1485 |
opn = "dsll";
|
| 1486 |
break;
|
| 1487 |
case OPC_DSRA:
|
| 1488 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
| 1489 |
opn = "dsra";
|
| 1490 |
break;
|
| 1491 |
case OPC_DSRL:
|
| 1492 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
| 1493 |
opn = "dsrl";
|
| 1494 |
break;
|
| 1495 |
case OPC_DROTR:
|
| 1496 |
if (uimm != 0) { |
| 1497 |
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); |
| 1498 |
} |
| 1499 |
opn = "drotr";
|
| 1500 |
break;
|
| 1501 |
case OPC_DSLL32:
|
| 1502 |
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
|
| 1503 |
opn = "dsll32";
|
| 1504 |
break;
|
| 1505 |
case OPC_DSRA32:
|
| 1506 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
|
| 1507 |
opn = "dsra32";
|
| 1508 |
break;
|
| 1509 |
case OPC_DSRL32:
|
| 1510 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
|
| 1511 |
opn = "dsrl32";
|
| 1512 |
break;
|
| 1513 |
case OPC_DROTR32:
|
| 1514 |
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
|
| 1515 |
opn = "drotr32";
|
| 1516 |
break;
|
| 1517 |
#endif
|
| 1518 |
} |
| 1519 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
| 1520 |
tcg_temp_free(t0); |
| 1521 |
} |
| 1522 |
|
| 1523 |
/* Arithmetic */
|
| 1524 |
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
| 1525 |
int rd, int rs, int rt) |
| 1526 |
{
|
| 1527 |
const char *opn = "arith"; |
| 1528 |
|
| 1529 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
| 1530 |
&& opc != OPC_DADD && opc != OPC_DSUB) {
|
| 1531 |
/* If no destination, treat it as a NOP.
|
| 1532 |
For add & sub, we must generate the overflow exception when needed. */
|
| 1533 |
MIPS_DEBUG("NOP");
|
| 1534 |
return;
|
| 1535 |
} |
| 1536 |
|
| 1537 |
switch (opc) {
|
| 1538 |
case OPC_ADD:
|
| 1539 |
{
|
| 1540 |
TCGv t0 = tcg_temp_local_new(); |
| 1541 |
TCGv t1 = tcg_temp_new(); |
| 1542 |
TCGv t2 = tcg_temp_new(); |
| 1543 |
int l1 = gen_new_label();
|
| 1544 |
|
| 1545 |
gen_load_gpr(t1, rs); |
| 1546 |
gen_load_gpr(t2, rt); |
| 1547 |
tcg_gen_add_tl(t0, t1, t2); |
| 1548 |
tcg_gen_ext32s_tl(t0, t0); |
| 1549 |
tcg_gen_xor_tl(t1, t1, t2); |
| 1550 |
tcg_gen_not_tl(t1, t1); |
| 1551 |
tcg_gen_xor_tl(t2, t0, t2); |
| 1552 |
tcg_gen_and_tl(t1, t1, t2); |
| 1553 |
tcg_temp_free(t2); |
| 1554 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
| 1555 |
tcg_temp_free(t1); |
| 1556 |
/* operands of same sign, result different sign */
|
| 1557 |
generate_exception(ctx, EXCP_OVERFLOW); |
| 1558 |
gen_set_label(l1); |
| 1559 |
gen_store_gpr(t0, rd); |
| 1560 |
tcg_temp_free(t0); |
| 1561 |
} |
| 1562 |
opn = "add";
|
| 1563 |
break;
|
| 1564 |
case OPC_ADDU:
|
| 1565 |
if (rs != 0 && rt != 0) { |
| 1566 |
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1567 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| 1568 |
} else if (rs == 0 && rt != 0) { |
| 1569 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| 1570 |
} else if (rs != 0 && rt == 0) { |
| 1571 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1572 |
} else {
|
| 1573 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1574 |
} |
| 1575 |
opn = "addu";
|
| 1576 |
break;
|
| 1577 |
case OPC_SUB:
|
| 1578 |
{
|
| 1579 |
TCGv t0 = tcg_temp_local_new(); |
| 1580 |
TCGv t1 = tcg_temp_new(); |
| 1581 |
TCGv t2 = tcg_temp_new(); |
| 1582 |
int l1 = gen_new_label();
|
| 1583 |
|
| 1584 |
gen_load_gpr(t1, rs); |
| 1585 |
gen_load_gpr(t2, rt); |
| 1586 |
tcg_gen_sub_tl(t0, t1, t2); |
| 1587 |
tcg_gen_ext32s_tl(t0, t0); |
| 1588 |
tcg_gen_xor_tl(t2, t1, t2); |
| 1589 |
tcg_gen_xor_tl(t1, t0, t1); |
| 1590 |
tcg_gen_and_tl(t1, t1, t2); |
| 1591 |
tcg_temp_free(t2); |
| 1592 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
| 1593 |
tcg_temp_free(t1); |
| 1594 |
/* operands of different sign, first operand and result different sign */
|
| 1595 |
generate_exception(ctx, EXCP_OVERFLOW); |
| 1596 |
gen_set_label(l1); |
| 1597 |
gen_store_gpr(t0, rd); |
| 1598 |
tcg_temp_free(t0); |
| 1599 |
} |
| 1600 |
opn = "sub";
|
| 1601 |
break;
|
| 1602 |
case OPC_SUBU:
|
| 1603 |
if (rs != 0 && rt != 0) { |
| 1604 |
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1605 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| 1606 |
} else if (rs == 0 && rt != 0) { |
| 1607 |
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| 1608 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| 1609 |
} else if (rs != 0 && rt == 0) { |
| 1610 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1611 |
} else {
|
| 1612 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1613 |
} |
| 1614 |
opn = "subu";
|
| 1615 |
break;
|
| 1616 |
#if defined(TARGET_MIPS64)
|
| 1617 |
case OPC_DADD:
|
| 1618 |
{
|
| 1619 |
TCGv t0 = tcg_temp_local_new(); |
| 1620 |
TCGv t1 = tcg_temp_new(); |
| 1621 |
TCGv t2 = tcg_temp_new(); |
| 1622 |
int l1 = gen_new_label();
|
| 1623 |
|
| 1624 |
gen_load_gpr(t1, rs); |
| 1625 |
gen_load_gpr(t2, rt); |
| 1626 |
tcg_gen_add_tl(t0, t1, t2); |
| 1627 |
tcg_gen_xor_tl(t1, t1, t2); |
| 1628 |
tcg_gen_not_tl(t1, t1); |
| 1629 |
tcg_gen_xor_tl(t2, t0, t2); |
| 1630 |
tcg_gen_and_tl(t1, t1, t2); |
| 1631 |
tcg_temp_free(t2); |
| 1632 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
| 1633 |
tcg_temp_free(t1); |
| 1634 |
/* operands of same sign, result different sign */
|
| 1635 |
generate_exception(ctx, EXCP_OVERFLOW); |
| 1636 |
gen_set_label(l1); |
| 1637 |
gen_store_gpr(t0, rd); |
| 1638 |
tcg_temp_free(t0); |
| 1639 |
} |
| 1640 |
opn = "dadd";
|
| 1641 |
break;
|
| 1642 |
case OPC_DADDU:
|
| 1643 |
if (rs != 0 && rt != 0) { |
| 1644 |
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1645 |
} else if (rs == 0 && rt != 0) { |
| 1646 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| 1647 |
} else if (rs != 0 && rt == 0) { |
| 1648 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1649 |
} else {
|
| 1650 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1651 |
} |
| 1652 |
opn = "daddu";
|
| 1653 |
break;
|
| 1654 |
case OPC_DSUB:
|
| 1655 |
{
|
| 1656 |
TCGv t0 = tcg_temp_local_new(); |
| 1657 |
TCGv t1 = tcg_temp_new(); |
| 1658 |
TCGv t2 = tcg_temp_new(); |
| 1659 |
int l1 = gen_new_label();
|
| 1660 |
|
| 1661 |
gen_load_gpr(t1, rs); |
| 1662 |
gen_load_gpr(t2, rt); |
| 1663 |
tcg_gen_sub_tl(t0, t1, t2); |
| 1664 |
tcg_gen_xor_tl(t2, t1, t2); |
| 1665 |
tcg_gen_xor_tl(t1, t0, t1); |
| 1666 |
tcg_gen_and_tl(t1, t1, t2); |
| 1667 |
tcg_temp_free(t2); |
| 1668 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
| 1669 |
tcg_temp_free(t1); |
| 1670 |
/* operands of different sign, first operand and result different sign */
|
| 1671 |
generate_exception(ctx, EXCP_OVERFLOW); |
| 1672 |
gen_set_label(l1); |
| 1673 |
gen_store_gpr(t0, rd); |
| 1674 |
tcg_temp_free(t0); |
| 1675 |
} |
| 1676 |
opn = "dsub";
|
| 1677 |
break;
|
| 1678 |
case OPC_DSUBU:
|
| 1679 |
if (rs != 0 && rt != 0) { |
| 1680 |
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1681 |
} else if (rs == 0 && rt != 0) { |
| 1682 |
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| 1683 |
} else if (rs != 0 && rt == 0) { |
| 1684 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1685 |
} else {
|
| 1686 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1687 |
} |
| 1688 |
opn = "dsubu";
|
| 1689 |
break;
|
| 1690 |
#endif
|
| 1691 |
case OPC_MUL:
|
| 1692 |
if (likely(rs != 0 && rt != 0)) { |
| 1693 |
tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1694 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
| 1695 |
} else {
|
| 1696 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1697 |
} |
| 1698 |
opn = "mul";
|
| 1699 |
break;
|
| 1700 |
} |
| 1701 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 1702 |
} |
| 1703 |
|
| 1704 |
/* Conditional move */
|
| 1705 |
static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
| 1706 |
{
|
| 1707 |
const char *opn = "cond move"; |
| 1708 |
int l1;
|
| 1709 |
|
| 1710 |
if (rd == 0) { |
| 1711 |
/* If no destination, treat it as a NOP.
|
| 1712 |
For add & sub, we must generate the overflow exception when needed. */
|
| 1713 |
MIPS_DEBUG("NOP");
|
| 1714 |
return;
|
| 1715 |
} |
| 1716 |
|
| 1717 |
l1 = gen_new_label(); |
| 1718 |
switch (opc) {
|
| 1719 |
case OPC_MOVN:
|
| 1720 |
if (likely(rt != 0)) |
| 1721 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1);
|
| 1722 |
else
|
| 1723 |
tcg_gen_br(l1); |
| 1724 |
opn = "movn";
|
| 1725 |
break;
|
| 1726 |
case OPC_MOVZ:
|
| 1727 |
if (likely(rt != 0)) |
| 1728 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1);
|
| 1729 |
opn = "movz";
|
| 1730 |
break;
|
| 1731 |
} |
| 1732 |
if (rs != 0) |
| 1733 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1734 |
else
|
| 1735 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1736 |
gen_set_label(l1); |
| 1737 |
|
| 1738 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 1739 |
} |
| 1740 |
|
| 1741 |
/* Logic */
|
| 1742 |
static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
| 1743 |
{
|
| 1744 |
const char *opn = "logic"; |
| 1745 |
|
| 1746 |
if (rd == 0) { |
| 1747 |
/* If no destination, treat it as a NOP. */
|
| 1748 |
MIPS_DEBUG("NOP");
|
| 1749 |
return;
|
| 1750 |
} |
| 1751 |
|
| 1752 |
switch (opc) {
|
| 1753 |
case OPC_AND:
|
| 1754 |
if (likely(rs != 0 && rt != 0)) { |
| 1755 |
tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1756 |
} else {
|
| 1757 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1758 |
} |
| 1759 |
opn = "and";
|
| 1760 |
break;
|
| 1761 |
case OPC_NOR:
|
| 1762 |
if (rs != 0 && rt != 0) { |
| 1763 |
tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1764 |
} else if (rs == 0 && rt != 0) { |
| 1765 |
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| 1766 |
} else if (rs != 0 && rt == 0) { |
| 1767 |
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1768 |
} else {
|
| 1769 |
tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
|
| 1770 |
} |
| 1771 |
opn = "nor";
|
| 1772 |
break;
|
| 1773 |
case OPC_OR:
|
| 1774 |
if (likely(rs != 0 && rt != 0)) { |
| 1775 |
tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1776 |
} else if (rs == 0 && rt != 0) { |
| 1777 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| 1778 |
} else if (rs != 0 && rt == 0) { |
| 1779 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1780 |
} else {
|
| 1781 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1782 |
} |
| 1783 |
opn = "or";
|
| 1784 |
break;
|
| 1785 |
case OPC_XOR:
|
| 1786 |
if (likely(rs != 0 && rt != 0)) { |
| 1787 |
tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
| 1788 |
} else if (rs == 0 && rt != 0) { |
| 1789 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
| 1790 |
} else if (rs != 0 && rt == 0) { |
| 1791 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 1792 |
} else {
|
| 1793 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 1794 |
} |
| 1795 |
opn = "xor";
|
| 1796 |
break;
|
| 1797 |
} |
| 1798 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 1799 |
} |
| 1800 |
|
| 1801 |
/* Set on lower than */
|
| 1802 |
static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
| 1803 |
{
|
| 1804 |
const char *opn = "slt"; |
| 1805 |
TCGv t0, t1; |
| 1806 |
|
| 1807 |
if (rd == 0) { |
| 1808 |
/* If no destination, treat it as a NOP. */
|
| 1809 |
MIPS_DEBUG("NOP");
|
| 1810 |
return;
|
| 1811 |
} |
| 1812 |
|
| 1813 |
t0 = tcg_temp_new(); |
| 1814 |
t1 = tcg_temp_new(); |
| 1815 |
gen_load_gpr(t0, rs); |
| 1816 |
gen_load_gpr(t1, rt); |
| 1817 |
switch (opc) {
|
| 1818 |
case OPC_SLT:
|
| 1819 |
gen_op_lt(cpu_gpr[rd], t0, t1); |
| 1820 |
opn = "slt";
|
| 1821 |
break;
|
| 1822 |
case OPC_SLTU:
|
| 1823 |
gen_op_ltu(cpu_gpr[rd], t0, t1); |
| 1824 |
opn = "sltu";
|
| 1825 |
break;
|
| 1826 |
} |
| 1827 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 1828 |
tcg_temp_free(t0); |
| 1829 |
tcg_temp_free(t1); |
| 1830 |
} |
| 1831 |
|
| 1832 |
/* Shifts */
|
| 1833 |
static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc, |
| 1834 |
int rd, int rs, int rt) |
| 1835 |
{
|
| 1836 |
const char *opn = "shifts"; |
| 1837 |
TCGv t0, t1; |
| 1838 |
|
| 1839 |
if (rd == 0) { |
| 1840 |
/* If no destination, treat it as a NOP.
|
| 1841 |
For add & sub, we must generate the overflow exception when needed. */
|
| 1842 |
MIPS_DEBUG("NOP");
|
| 1843 |
return;
|
| 1844 |
} |
| 1845 |
|
| 1846 |
t0 = tcg_temp_new(); |
| 1847 |
t1 = tcg_temp_new(); |
| 1848 |
gen_load_gpr(t0, rs); |
| 1849 |
gen_load_gpr(t1, rt); |
| 1850 |
switch (opc) {
|
| 1851 |
case OPC_SLLV:
|
| 1852 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
| 1853 |
tcg_gen_shl_tl(t0, t1, t0); |
| 1854 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
| 1855 |
opn = "sllv";
|
| 1856 |
break;
|
| 1857 |
case OPC_SRAV:
|
| 1858 |
tcg_gen_ext32s_tl(t1, t1); |
| 1859 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
| 1860 |
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
| 1861 |
opn = "srav";
|
| 1862 |
break;
|
| 1863 |
case OPC_SRLV:
|
| 1864 |
tcg_gen_ext32u_tl(t1, t1); |
| 1865 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
| 1866 |
tcg_gen_shr_tl(t0, t1, t0); |
| 1867 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
| 1868 |
opn = "srlv";
|
| 1869 |
break;
|
| 1870 |
case OPC_ROTRV:
|
| 1871 |
{
|
| 1872 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
| 1873 |
TCGv_i32 t3 = tcg_temp_new_i32(); |
| 1874 |
|
| 1875 |
tcg_gen_trunc_tl_i32(t2, t0); |
| 1876 |
tcg_gen_trunc_tl_i32(t3, t1); |
| 1877 |
tcg_gen_andi_i32(t2, t2, 0x1f);
|
| 1878 |
tcg_gen_rotr_i32(t2, t3, t2); |
| 1879 |
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); |
| 1880 |
tcg_temp_free_i32(t2); |
| 1881 |
tcg_temp_free_i32(t3); |
| 1882 |
opn = "rotrv";
|
| 1883 |
} |
| 1884 |
break;
|
| 1885 |
#if defined(TARGET_MIPS64)
|
| 1886 |
case OPC_DSLLV:
|
| 1887 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
| 1888 |
tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); |
| 1889 |
opn = "dsllv";
|
| 1890 |
break;
|
| 1891 |
case OPC_DSRAV:
|
| 1892 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
| 1893 |
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
| 1894 |
opn = "dsrav";
|
| 1895 |
break;
|
| 1896 |
case OPC_DSRLV:
|
| 1897 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
| 1898 |
tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); |
| 1899 |
opn = "dsrlv";
|
| 1900 |
break;
|
| 1901 |
case OPC_DROTRV:
|
| 1902 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
| 1903 |
tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); |
| 1904 |
opn = "drotrv";
|
| 1905 |
break;
|
| 1906 |
#endif
|
| 1907 |
} |
| 1908 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 1909 |
tcg_temp_free(t0); |
| 1910 |
tcg_temp_free(t1); |
| 1911 |
} |
| 1912 |
|
| 1913 |
/* Arithmetic on HI/LO registers */
|
| 1914 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
| 1915 |
{
|
| 1916 |
const char *opn = "hilo"; |
| 1917 |
|
| 1918 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
| 1919 |
/* Treat as NOP. */
|
| 1920 |
MIPS_DEBUG("NOP");
|
| 1921 |
return;
|
| 1922 |
} |
| 1923 |
switch (opc) {
|
| 1924 |
case OPC_MFHI:
|
| 1925 |
tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
|
| 1926 |
opn = "mfhi";
|
| 1927 |
break;
|
| 1928 |
case OPC_MFLO:
|
| 1929 |
tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
|
| 1930 |
opn = "mflo";
|
| 1931 |
break;
|
| 1932 |
case OPC_MTHI:
|
| 1933 |
if (reg != 0) |
| 1934 |
tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
|
| 1935 |
else
|
| 1936 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
| 1937 |
opn = "mthi";
|
| 1938 |
break;
|
| 1939 |
case OPC_MTLO:
|
| 1940 |
if (reg != 0) |
| 1941 |
tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
|
| 1942 |
else
|
| 1943 |
tcg_gen_movi_tl(cpu_LO[0], 0); |
| 1944 |
opn = "mtlo";
|
| 1945 |
break;
|
| 1946 |
} |
| 1947 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
| 1948 |
} |
| 1949 |
|
| 1950 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
| 1951 |
int rs, int rt) |
| 1952 |
{
|
| 1953 |
const char *opn = "mul/div"; |
| 1954 |
TCGv t0, t1; |
| 1955 |
|
| 1956 |
switch (opc) {
|
| 1957 |
case OPC_DIV:
|
| 1958 |
case OPC_DIVU:
|
| 1959 |
#if defined(TARGET_MIPS64)
|
| 1960 |
case OPC_DDIV:
|
| 1961 |
case OPC_DDIVU:
|
| 1962 |
#endif
|
| 1963 |
t0 = tcg_temp_local_new(); |
| 1964 |
t1 = tcg_temp_local_new(); |
| 1965 |
break;
|
| 1966 |
default:
|
| 1967 |
t0 = tcg_temp_new(); |
| 1968 |
t1 = tcg_temp_new(); |
| 1969 |
break;
|
| 1970 |
} |
| 1971 |
|
| 1972 |
gen_load_gpr(t0, rs); |
| 1973 |
gen_load_gpr(t1, rt); |
| 1974 |
switch (opc) {
|
| 1975 |
case OPC_DIV:
|
| 1976 |
{
|
| 1977 |
int l1 = gen_new_label();
|
| 1978 |
int l2 = gen_new_label();
|
| 1979 |
|
| 1980 |
tcg_gen_ext32s_tl(t0, t0); |
| 1981 |
tcg_gen_ext32s_tl(t1, t1); |
| 1982 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
| 1983 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
| 1984 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
|
| 1985 |
|
| 1986 |
tcg_gen_mov_tl(cpu_LO[0], t0);
|
| 1987 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
| 1988 |
tcg_gen_br(l1); |
| 1989 |
gen_set_label(l2); |
| 1990 |
tcg_gen_div_tl(cpu_LO[0], t0, t1);
|
| 1991 |
tcg_gen_rem_tl(cpu_HI[0], t0, t1);
|
| 1992 |
tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
| 1993 |
tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
| 1994 |
gen_set_label(l1); |
| 1995 |
} |
| 1996 |
opn = "div";
|
| 1997 |
break;
|
| 1998 |
case OPC_DIVU:
|
| 1999 |
{
|
| 2000 |
int l1 = gen_new_label();
|
| 2001 |
|
| 2002 |
tcg_gen_ext32u_tl(t0, t0); |
| 2003 |
tcg_gen_ext32u_tl(t1, t1); |
| 2004 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
| 2005 |
tcg_gen_divu_tl(cpu_LO[0], t0, t1);
|
| 2006 |
tcg_gen_remu_tl(cpu_HI[0], t0, t1);
|
| 2007 |
tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
| 2008 |
tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
| 2009 |
gen_set_label(l1); |
| 2010 |
} |
| 2011 |
opn = "divu";
|
| 2012 |
break;
|
| 2013 |
case OPC_MULT:
|
| 2014 |
{
|
| 2015 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
| 2016 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
| 2017 |
|
| 2018 |
tcg_gen_ext_tl_i64(t2, t0); |
| 2019 |
tcg_gen_ext_tl_i64(t3, t1); |
| 2020 |
tcg_gen_mul_i64(t2, t2, t3); |
| 2021 |
tcg_temp_free_i64(t3); |
| 2022 |
tcg_gen_trunc_i64_tl(t0, t2); |
| 2023 |
tcg_gen_shri_i64(t2, t2, 32);
|
| 2024 |
tcg_gen_trunc_i64_tl(t1, t2); |
| 2025 |
tcg_temp_free_i64(t2); |
| 2026 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
| 2027 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
| 2028 |
} |
| 2029 |
opn = "mult";
|
| 2030 |
break;
|
| 2031 |
case OPC_MULTU:
|
| 2032 |
{
|
| 2033 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
| 2034 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
| 2035 |
|
| 2036 |
tcg_gen_ext32u_tl(t0, t0); |
| 2037 |
tcg_gen_ext32u_tl(t1, t1); |
| 2038 |
tcg_gen_extu_tl_i64(t2, t0); |
| 2039 |
tcg_gen_extu_tl_i64(t3, t1); |
| 2040 |
tcg_gen_mul_i64(t2, t2, t3); |
| 2041 |
tcg_temp_free_i64(t3); |
| 2042 |
tcg_gen_trunc_i64_tl(t0, t2); |
| 2043 |
tcg_gen_shri_i64(t2, t2, 32);
|
| 2044 |
tcg_gen_trunc_i64_tl(t1, t2); |
| 2045 |
tcg_temp_free_i64(t2); |
| 2046 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
| 2047 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
| 2048 |
} |
| 2049 |
opn = "multu";
|
| 2050 |
break;
|
| 2051 |
#if defined(TARGET_MIPS64)
|
| 2052 |
case OPC_DDIV:
|
| 2053 |
{
|
| 2054 |
int l1 = gen_new_label();
|
| 2055 |
int l2 = gen_new_label();
|
| 2056 |
|
| 2057 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
| 2058 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
| 2059 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
|
| 2060 |
tcg_gen_mov_tl(cpu_LO[0], t0);
|
| 2061 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
| 2062 |
tcg_gen_br(l1); |
| 2063 |
gen_set_label(l2); |
| 2064 |
tcg_gen_div_i64(cpu_LO[0], t0, t1);
|
| 2065 |
tcg_gen_rem_i64(cpu_HI[0], t0, t1);
|
| 2066 |
gen_set_label(l1); |
| 2067 |
} |
| 2068 |
opn = "ddiv";
|
| 2069 |
break;
|
| 2070 |
case OPC_DDIVU:
|
| 2071 |
{
|
| 2072 |
int l1 = gen_new_label();
|
| 2073 |
|
| 2074 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
| 2075 |
tcg_gen_divu_i64(cpu_LO[0], t0, t1);
|
| 2076 |
tcg_gen_remu_i64(cpu_HI[0], t0, t1);
|
| 2077 |
gen_set_label(l1); |
| 2078 |
} |
| 2079 |
opn = "ddivu";
|
| 2080 |
break;
|
| 2081 |
case OPC_DMULT:
|
| 2082 |
gen_helper_dmult(t0, t1); |
| 2083 |
opn = "dmult";
|
| 2084 |
break;
|
| 2085 |
case OPC_DMULTU:
|
| 2086 |
gen_helper_dmultu(t0, t1); |
| 2087 |
opn = "dmultu";
|
| 2088 |
break;
|
| 2089 |
#endif
|
| 2090 |
case OPC_MADD:
|
| 2091 |
{
|
| 2092 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
| 2093 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
| 2094 |
|
| 2095 |
tcg_gen_ext_tl_i64(t2, t0); |
| 2096 |
tcg_gen_ext_tl_i64(t3, t1); |
| 2097 |
tcg_gen_mul_i64(t2, t2, t3); |
| 2098 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| 2099 |
tcg_gen_add_i64(t2, t2, t3); |
| 2100 |
tcg_temp_free_i64(t3); |
| 2101 |
tcg_gen_trunc_i64_tl(t0, t2); |
| 2102 |
tcg_gen_shri_i64(t2, t2, 32);
|
| 2103 |
tcg_gen_trunc_i64_tl(t1, t2); |
| 2104 |
tcg_temp_free_i64(t2); |
| 2105 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
| 2106 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
| 2107 |
} |
| 2108 |
opn = "madd";
|
| 2109 |
break;
|
| 2110 |
case OPC_MADDU:
|
| 2111 |
{
|
| 2112 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
| 2113 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
| 2114 |
|
| 2115 |
tcg_gen_ext32u_tl(t0, t0); |
| 2116 |
tcg_gen_ext32u_tl(t1, t1); |
| 2117 |
tcg_gen_extu_tl_i64(t2, t0); |
| 2118 |
tcg_gen_extu_tl_i64(t3, t1); |
| 2119 |
tcg_gen_mul_i64(t2, t2, t3); |
| 2120 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| 2121 |
tcg_gen_add_i64(t2, t2, t3); |
| 2122 |
tcg_temp_free_i64(t3); |
| 2123 |
tcg_gen_trunc_i64_tl(t0, t2); |
| 2124 |
tcg_gen_shri_i64(t2, t2, 32);
|
| 2125 |
tcg_gen_trunc_i64_tl(t1, t2); |
| 2126 |
tcg_temp_free_i64(t2); |
| 2127 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
| 2128 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
| 2129 |
} |
| 2130 |
opn = "maddu";
|
| 2131 |
break;
|
| 2132 |
case OPC_MSUB:
|
| 2133 |
{
|
| 2134 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
| 2135 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
| 2136 |
|
| 2137 |
tcg_gen_ext_tl_i64(t2, t0); |
| 2138 |
tcg_gen_ext_tl_i64(t3, t1); |
| 2139 |
tcg_gen_mul_i64(t2, t2, t3); |
| 2140 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| 2141 |
tcg_gen_sub_i64(t2, t3, t2); |
| 2142 |
tcg_temp_free_i64(t3); |
| 2143 |
tcg_gen_trunc_i64_tl(t0, t2); |
| 2144 |
tcg_gen_shri_i64(t2, t2, 32);
|
| 2145 |
tcg_gen_trunc_i64_tl(t1, t2); |
| 2146 |
tcg_temp_free_i64(t2); |
| 2147 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
| 2148 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
| 2149 |
} |
| 2150 |
opn = "msub";
|
| 2151 |
break;
|
| 2152 |
case OPC_MSUBU:
|
| 2153 |
{
|
| 2154 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
| 2155 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
| 2156 |
|
| 2157 |
tcg_gen_ext32u_tl(t0, t0); |
| 2158 |
tcg_gen_ext32u_tl(t1, t1); |
| 2159 |
tcg_gen_extu_tl_i64(t2, t0); |
| 2160 |
tcg_gen_extu_tl_i64(t3, t1); |
| 2161 |
tcg_gen_mul_i64(t2, t2, t3); |
| 2162 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
| 2163 |
tcg_gen_sub_i64(t2, t3, t2); |
| 2164 |
tcg_temp_free_i64(t3); |
| 2165 |
tcg_gen_trunc_i64_tl(t0, t2); |
| 2166 |
tcg_gen_shri_i64(t2, t2, 32);
|
| 2167 |
tcg_gen_trunc_i64_tl(t1, t2); |
| 2168 |
tcg_temp_free_i64(t2); |
| 2169 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
| 2170 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
| 2171 |
} |
| 2172 |
opn = "msubu";
|
| 2173 |
break;
|
| 2174 |
default:
|
| 2175 |
MIPS_INVAL(opn); |
| 2176 |
generate_exception(ctx, EXCP_RI); |
| 2177 |
goto out;
|
| 2178 |
} |
| 2179 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
| 2180 |
out:
|
| 2181 |
tcg_temp_free(t0); |
| 2182 |
tcg_temp_free(t1); |
| 2183 |
} |
| 2184 |
|
| 2185 |
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
| 2186 |
int rd, int rs, int rt) |
| 2187 |
{
|
| 2188 |
const char *opn = "mul vr54xx"; |
| 2189 |
TCGv t0 = tcg_temp_new(); |
| 2190 |
TCGv t1 = tcg_temp_new(); |
| 2191 |
|
| 2192 |
gen_load_gpr(t0, rs); |
| 2193 |
gen_load_gpr(t1, rt); |
| 2194 |
|
| 2195 |
switch (opc) {
|
| 2196 |
case OPC_VR54XX_MULS:
|
| 2197 |
gen_helper_muls(t0, t0, t1); |
| 2198 |
opn = "muls";
|
| 2199 |
break;
|
| 2200 |
case OPC_VR54XX_MULSU:
|
| 2201 |
gen_helper_mulsu(t0, t0, t1); |
| 2202 |
opn = "mulsu";
|
| 2203 |
break;
|
| 2204 |
case OPC_VR54XX_MACC:
|
| 2205 |
gen_helper_macc(t0, t0, t1); |
| 2206 |
opn = "macc";
|
| 2207 |
break;
|
| 2208 |
case OPC_VR54XX_MACCU:
|
| 2209 |
gen_helper_maccu(t0, t0, t1); |
| 2210 |
opn = "maccu";
|
| 2211 |
break;
|
| 2212 |
case OPC_VR54XX_MSAC:
|
| 2213 |
gen_helper_msac(t0, t0, t1); |
| 2214 |
opn = "msac";
|
| 2215 |
break;
|
| 2216 |
case OPC_VR54XX_MSACU:
|
| 2217 |
gen_helper_msacu(t0, t0, t1); |
| 2218 |
opn = "msacu";
|
| 2219 |
break;
|
| 2220 |
case OPC_VR54XX_MULHI:
|
| 2221 |
gen_helper_mulhi(t0, t0, t1); |
| 2222 |
opn = "mulhi";
|
| 2223 |
break;
|
| 2224 |
case OPC_VR54XX_MULHIU:
|
| 2225 |
gen_helper_mulhiu(t0, t0, t1); |
| 2226 |
opn = "mulhiu";
|
| 2227 |
break;
|
| 2228 |
case OPC_VR54XX_MULSHI:
|
| 2229 |
gen_helper_mulshi(t0, t0, t1); |
| 2230 |
opn = "mulshi";
|
| 2231 |
break;
|
| 2232 |
case OPC_VR54XX_MULSHIU:
|
| 2233 |
gen_helper_mulshiu(t0, t0, t1); |
| 2234 |
opn = "mulshiu";
|
| 2235 |
break;
|
| 2236 |
case OPC_VR54XX_MACCHI:
|
| 2237 |
gen_helper_macchi(t0, t0, t1); |
| 2238 |
opn = "macchi";
|
| 2239 |
break;
|
| 2240 |
case OPC_VR54XX_MACCHIU:
|
| 2241 |
gen_helper_macchiu(t0, t0, t1); |
| 2242 |
opn = "macchiu";
|
| 2243 |
break;
|
| 2244 |
case OPC_VR54XX_MSACHI:
|
| 2245 |
gen_helper_msachi(t0, t0, t1); |
| 2246 |
opn = "msachi";
|
| 2247 |
break;
|
| 2248 |
case OPC_VR54XX_MSACHIU:
|
| 2249 |
gen_helper_msachiu(t0, t0, t1); |
| 2250 |
opn = "msachiu";
|
| 2251 |
break;
|
| 2252 |
default:
|
| 2253 |
MIPS_INVAL("mul vr54xx");
|
| 2254 |
generate_exception(ctx, EXCP_RI); |
| 2255 |
goto out;
|
| 2256 |
} |
| 2257 |
gen_store_gpr(t0, rd); |
| 2258 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 2259 |
|
| 2260 |
out:
|
| 2261 |
tcg_temp_free(t0); |
| 2262 |
tcg_temp_free(t1); |
| 2263 |
} |
| 2264 |
|
| 2265 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
| 2266 |
int rd, int rs) |
| 2267 |
{
|
| 2268 |
const char *opn = "CLx"; |
| 2269 |
TCGv t0; |
| 2270 |
|
| 2271 |
if (rd == 0) { |
| 2272 |
/* Treat as NOP. */
|
| 2273 |
MIPS_DEBUG("NOP");
|
| 2274 |
return;
|
| 2275 |
} |
| 2276 |
t0 = tcg_temp_new(); |
| 2277 |
gen_load_gpr(t0, rs); |
| 2278 |
switch (opc) {
|
| 2279 |
case OPC_CLO:
|
| 2280 |
gen_helper_clo(cpu_gpr[rd], t0); |
| 2281 |
opn = "clo";
|
| 2282 |
break;
|
| 2283 |
case OPC_CLZ:
|
| 2284 |
gen_helper_clz(cpu_gpr[rd], t0); |
| 2285 |
opn = "clz";
|
| 2286 |
break;
|
| 2287 |
#if defined(TARGET_MIPS64)
|
| 2288 |
case OPC_DCLO:
|
| 2289 |
gen_helper_dclo(cpu_gpr[rd], t0); |
| 2290 |
opn = "dclo";
|
| 2291 |
break;
|
| 2292 |
case OPC_DCLZ:
|
| 2293 |
gen_helper_dclz(cpu_gpr[rd], t0); |
| 2294 |
opn = "dclz";
|
| 2295 |
break;
|
| 2296 |
#endif
|
| 2297 |
} |
| 2298 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
| 2299 |
tcg_temp_free(t0); |
| 2300 |
} |
| 2301 |
|
| 2302 |
/* Traps */
|
| 2303 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
| 2304 |
int rs, int rt, int16_t imm) |
| 2305 |
{
|
| 2306 |
int cond;
|
| 2307 |
TCGv t0 = tcg_temp_new(); |
| 2308 |
TCGv t1 = tcg_temp_new(); |
| 2309 |
|
| 2310 |
cond = 0;
|
| 2311 |
/* Load needed operands */
|
| 2312 |
switch (opc) {
|
| 2313 |
case OPC_TEQ:
|
| 2314 |
case OPC_TGE:
|
| 2315 |
case OPC_TGEU:
|
| 2316 |
case OPC_TLT:
|
| 2317 |
case OPC_TLTU:
|
| 2318 |
case OPC_TNE:
|
| 2319 |
/* Compare two registers */
|
| 2320 |
if (rs != rt) {
|
| 2321 |
gen_load_gpr(t0, rs); |
| 2322 |
gen_load_gpr(t1, rt); |
| 2323 |
cond = 1;
|
| 2324 |
} |
| 2325 |
break;
|
| 2326 |
case OPC_TEQI:
|
| 2327 |
case OPC_TGEI:
|
| 2328 |
case OPC_TGEIU:
|
| 2329 |
case OPC_TLTI:
|
| 2330 |
case OPC_TLTIU:
|
| 2331 |
case OPC_TNEI:
|
| 2332 |
/* Compare register to immediate */
|
| 2333 |
if (rs != 0 || imm != 0) { |
| 2334 |
gen_load_gpr(t0, rs); |
| 2335 |
tcg_gen_movi_tl(t1, (int32_t)imm); |
| 2336 |
cond = 1;
|
| 2337 |
} |
| 2338 |
break;
|
| 2339 |
} |
| 2340 |
if (cond == 0) { |
| 2341 |
switch (opc) {
|
| 2342 |
case OPC_TEQ: /* rs == rs */ |
| 2343 |
case OPC_TEQI: /* r0 == 0 */ |
| 2344 |
case OPC_TGE: /* rs >= rs */ |
| 2345 |
case OPC_TGEI: /* r0 >= 0 */ |
| 2346 |
case OPC_TGEU: /* rs >= rs unsigned */ |
| 2347 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
| 2348 |
/* Always trap */
|
| 2349 |
generate_exception(ctx, EXCP_TRAP); |
| 2350 |
break;
|
| 2351 |
case OPC_TLT: /* rs < rs */ |
| 2352 |
case OPC_TLTI: /* r0 < 0 */ |
| 2353 |
case OPC_TLTU: /* rs < rs unsigned */ |
| 2354 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
| 2355 |
case OPC_TNE: /* rs != rs */ |
| 2356 |
case OPC_TNEI: /* r0 != 0 */ |
| 2357 |
/* Never trap: treat as NOP. */
|
| 2358 |
break;
|
| 2359 |
} |
| 2360 |
} else {
|
| 2361 |
int l1 = gen_new_label();
|
| 2362 |
|
| 2363 |
switch (opc) {
|
| 2364 |
case OPC_TEQ:
|
| 2365 |
case OPC_TEQI:
|
| 2366 |
tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); |
| 2367 |
break;
|
| 2368 |
case OPC_TGE:
|
| 2369 |
case OPC_TGEI:
|
| 2370 |
tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); |
| 2371 |
break;
|
| 2372 |
case OPC_TGEU:
|
| 2373 |
case OPC_TGEIU:
|
| 2374 |
tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); |
| 2375 |
break;
|
| 2376 |
case OPC_TLT:
|
| 2377 |
case OPC_TLTI:
|
| 2378 |
tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); |
| 2379 |
break;
|
| 2380 |
case OPC_TLTU:
|
| 2381 |
case OPC_TLTIU:
|
| 2382 |
tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); |
| 2383 |
break;
|
| 2384 |
case OPC_TNE:
|
| 2385 |
case OPC_TNEI:
|
| 2386 |
tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); |
| 2387 |
break;
|
| 2388 |
} |
| 2389 |
generate_exception(ctx, EXCP_TRAP); |
| 2390 |
gen_set_label(l1); |
| 2391 |
} |
| 2392 |
tcg_temp_free(t0); |
| 2393 |
tcg_temp_free(t1); |
| 2394 |
} |
| 2395 |
|
| 2396 |
static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
| 2397 |
{
|
| 2398 |
TranslationBlock *tb; |
| 2399 |
tb = ctx->tb; |
| 2400 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
|
| 2401 |
likely(!ctx->singlestep_enabled)) {
|
| 2402 |
tcg_gen_goto_tb(n); |
| 2403 |
gen_save_pc(dest); |
| 2404 |
tcg_gen_exit_tb((long)tb + n);
|
| 2405 |
} else {
|
| 2406 |
gen_save_pc(dest); |
| 2407 |
if (ctx->singlestep_enabled) {
|
| 2408 |
save_cpu_state(ctx, 0);
|
| 2409 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
| 2410 |
} |
| 2411 |
tcg_gen_exit_tb(0);
|
| 2412 |
} |
| 2413 |
} |
| 2414 |
|
| 2415 |
/* Branches (before delay slot) */
|
| 2416 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
| 2417 |
int insn_bytes,
|
| 2418 |
int rs, int rt, int32_t offset) |
| 2419 |
{
|
| 2420 |
target_ulong btgt = -1;
|
| 2421 |
int blink = 0; |
| 2422 |
int bcond_compute = 0; |
| 2423 |
TCGv t0 = tcg_temp_new(); |
| 2424 |
TCGv t1 = tcg_temp_new(); |
| 2425 |
|
| 2426 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
| 2427 |
#ifdef MIPS_DEBUG_DISAS
|
| 2428 |
LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc); |
| 2429 |
#endif
|
| 2430 |
generate_exception(ctx, EXCP_RI); |
| 2431 |
goto out;
|
| 2432 |
} |
| 2433 |
|
| 2434 |
/* Load needed operands */
|
| 2435 |
switch (opc) {
|
| 2436 |
case OPC_BEQ:
|
| 2437 |
case OPC_BEQL:
|
| 2438 |
case OPC_BNE:
|
| 2439 |
case OPC_BNEL:
|
| 2440 |
/* Compare two registers */
|
| 2441 |
if (rs != rt) {
|
| 2442 |
gen_load_gpr(t0, rs); |
| 2443 |
gen_load_gpr(t1, rt); |
| 2444 |
bcond_compute = 1;
|
| 2445 |
} |
| 2446 |
btgt = ctx->pc + insn_bytes + offset; |
| 2447 |
break;
|
| 2448 |
case OPC_BGEZ:
|
| 2449 |
case OPC_BGEZAL:
|
| 2450 |
case OPC_BGEZALL:
|
| 2451 |
case OPC_BGEZL:
|
| 2452 |
case OPC_BGTZ:
|
| 2453 |
case OPC_BGTZL:
|
| 2454 |
case OPC_BLEZ:
|
| 2455 |
case OPC_BLEZL:
|
| 2456 |
case OPC_BLTZ:
|
| 2457 |
case OPC_BLTZAL:
|
| 2458 |
case OPC_BLTZALL:
|
| 2459 |
case OPC_BLTZL:
|
| 2460 |
/* Compare to zero */
|
| 2461 |
if (rs != 0) { |
| 2462 |
gen_load_gpr(t0, rs); |
| 2463 |
bcond_compute = 1;
|
| 2464 |
} |
| 2465 |
btgt = ctx->pc + insn_bytes + offset; |
| 2466 |
break;
|
| 2467 |
case OPC_J:
|
| 2468 |
case OPC_JAL:
|
| 2469 |
case OPC_JALX:
|
| 2470 |
/* Jump to immediate */
|
| 2471 |
btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset;
|
| 2472 |
break;
|
| 2473 |
case OPC_JR:
|
| 2474 |
case OPC_JALR:
|
| 2475 |
case OPC_JALRC:
|
| 2476 |
/* Jump to register */
|
| 2477 |
if (offset != 0 && offset != 16) { |
| 2478 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
| 2479 |
others are reserved. */
|
| 2480 |
MIPS_INVAL("jump hint");
|
| 2481 |
generate_exception(ctx, EXCP_RI); |
| 2482 |
goto out;
|
| 2483 |
} |
| 2484 |
gen_load_gpr(btarget, rs); |
| 2485 |
break;
|
| 2486 |
default:
|
| 2487 |
MIPS_INVAL("branch/jump");
|
| 2488 |
generate_exception(ctx, EXCP_RI); |
| 2489 |
goto out;
|
| 2490 |
} |
| 2491 |
if (bcond_compute == 0) { |
| 2492 |
/* No condition to be computed */
|
| 2493 |
switch (opc) {
|
| 2494 |
case OPC_BEQ: /* rx == rx */ |
| 2495 |
case OPC_BEQL: /* rx == rx likely */ |
| 2496 |
case OPC_BGEZ: /* 0 >= 0 */ |
| 2497 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
| 2498 |
case OPC_BLEZ: /* 0 <= 0 */ |
| 2499 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
| 2500 |
/* Always take */
|
| 2501 |
ctx->hflags |= MIPS_HFLAG_B; |
| 2502 |
MIPS_DEBUG("balways");
|
| 2503 |
break;
|
| 2504 |
case OPC_BGEZAL: /* 0 >= 0 */ |
| 2505 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
| 2506 |
/* Always take and link */
|
| 2507 |
blink = 31;
|
| 2508 |
ctx->hflags |= MIPS_HFLAG_B; |
| 2509 |
MIPS_DEBUG("balways and link");
|
| 2510 |
break;
|
| 2511 |
case OPC_BNE: /* rx != rx */ |
| 2512 |
case OPC_BGTZ: /* 0 > 0 */ |
| 2513 |
case OPC_BLTZ: /* 0 < 0 */ |
| 2514 |
/* Treat as NOP. */
|
| 2515 |
MIPS_DEBUG("bnever (NOP)");
|
| 2516 |
goto out;
|
| 2517 |
case OPC_BLTZAL: /* 0 < 0 */ |
| 2518 |
tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); |
| 2519 |
MIPS_DEBUG("bnever and link");
|
| 2520 |
goto out;
|
| 2521 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
| 2522 |
tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); |
| 2523 |
/* Skip the instruction in the delay slot */
|
| 2524 |
MIPS_DEBUG("bnever, link and skip");
|
| 2525 |
ctx->pc += 4;
|
| 2526 |
goto out;
|
| 2527 |
case OPC_BNEL: /* rx != rx likely */ |
| 2528 |
case OPC_BGTZL: /* 0 > 0 likely */ |
| 2529 |
case OPC_BLTZL: /* 0 < 0 likely */ |
| 2530 |
/* Skip the instruction in the delay slot */
|
| 2531 |
MIPS_DEBUG("bnever and skip");
|
| 2532 |
ctx->pc += 4;
|
| 2533 |
goto out;
|
| 2534 |
case OPC_J:
|
| 2535 |
ctx->hflags |= MIPS_HFLAG_B; |
| 2536 |
MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
|
| 2537 |
break;
|
| 2538 |
case OPC_JALX:
|
| 2539 |
ctx->hflags |= MIPS_HFLAG_BX; |
| 2540 |
/* Fallthrough */
|
| 2541 |
case OPC_JAL:
|
| 2542 |
blink = 31;
|
| 2543 |
ctx->hflags |= MIPS_HFLAG_B; |
| 2544 |
ctx->hflags |= (ctx->hflags & MIPS_HFLAG_M16 |
| 2545 |
? MIPS_HFLAG_BDS16 |
| 2546 |
: MIPS_HFLAG_BDS32); |
| 2547 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
|
| 2548 |
break;
|
| 2549 |
case OPC_JR:
|
| 2550 |
ctx->hflags |= MIPS_HFLAG_BR; |
| 2551 |
if (ctx->hflags & MIPS_HFLAG_M16)
|
| 2552 |
ctx->hflags |= MIPS_HFLAG_BDS16; |
| 2553 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
| 2554 |
break;
|
| 2555 |
case OPC_JALR:
|
| 2556 |
case OPC_JALRC:
|
| 2557 |
blink = rt; |
| 2558 |
ctx->hflags |= MIPS_HFLAG_BR; |
| 2559 |
if (ctx->hflags & MIPS_HFLAG_M16)
|
| 2560 |
ctx->hflags |= MIPS_HFLAG_BDS16; |
| 2561 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
| 2562 |
break;
|
| 2563 |
default:
|
| 2564 |
MIPS_INVAL("branch/jump");
|
| 2565 |
generate_exception(ctx, EXCP_RI); |
| 2566 |
goto out;
|
| 2567 |
} |
| 2568 |
} else {
|
| 2569 |
switch (opc) {
|
| 2570 |
case OPC_BEQ:
|
| 2571 |
gen_op_eq(bcond, t0, t1); |
| 2572 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
| 2573 |
regnames[rs], regnames[rt], btgt); |
| 2574 |
goto not_likely;
|
| 2575 |
case OPC_BEQL:
|
| 2576 |
gen_op_eq(bcond, t0, t1); |
| 2577 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
| 2578 |
regnames[rs], regnames[rt], btgt); |
| 2579 |
goto likely;
|
| 2580 |
case OPC_BNE:
|
| 2581 |
gen_op_ne(bcond, t0, t1); |
| 2582 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
| 2583 |
regnames[rs], regnames[rt], btgt); |
| 2584 |
goto not_likely;
|
| 2585 |
case OPC_BNEL:
|
| 2586 |
gen_op_ne(bcond, t0, t1); |
| 2587 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
| 2588 |
regnames[rs], regnames[rt], btgt); |
| 2589 |
goto likely;
|
| 2590 |
case OPC_BGEZ:
|
| 2591 |
gen_op_gez(bcond, t0); |
| 2592 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2593 |
goto not_likely;
|
| 2594 |
case OPC_BGEZL:
|
| 2595 |
gen_op_gez(bcond, t0); |
| 2596 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2597 |
goto likely;
|
| 2598 |
case OPC_BGEZAL:
|
| 2599 |
gen_op_gez(bcond, t0); |
| 2600 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2601 |
blink = 31;
|
| 2602 |
goto not_likely;
|
| 2603 |
case OPC_BGEZALL:
|
| 2604 |
gen_op_gez(bcond, t0); |
| 2605 |
blink = 31;
|
| 2606 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2607 |
goto likely;
|
| 2608 |
case OPC_BGTZ:
|
| 2609 |
gen_op_gtz(bcond, t0); |
| 2610 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2611 |
goto not_likely;
|
| 2612 |
case OPC_BGTZL:
|
| 2613 |
gen_op_gtz(bcond, t0); |
| 2614 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2615 |
goto likely;
|
| 2616 |
case OPC_BLEZ:
|
| 2617 |
gen_op_lez(bcond, t0); |
| 2618 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2619 |
goto not_likely;
|
| 2620 |
case OPC_BLEZL:
|
| 2621 |
gen_op_lez(bcond, t0); |
| 2622 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2623 |
goto likely;
|
| 2624 |
case OPC_BLTZ:
|
| 2625 |
gen_op_ltz(bcond, t0); |
| 2626 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2627 |
goto not_likely;
|
| 2628 |
case OPC_BLTZL:
|
| 2629 |
gen_op_ltz(bcond, t0); |
| 2630 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2631 |
goto likely;
|
| 2632 |
case OPC_BLTZAL:
|
| 2633 |
gen_op_ltz(bcond, t0); |
| 2634 |
blink = 31;
|
| 2635 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2636 |
not_likely:
|
| 2637 |
ctx->hflags |= MIPS_HFLAG_BC; |
| 2638 |
break;
|
| 2639 |
case OPC_BLTZALL:
|
| 2640 |
gen_op_ltz(bcond, t0); |
| 2641 |
blink = 31;
|
| 2642 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
| 2643 |
likely:
|
| 2644 |
ctx->hflags |= MIPS_HFLAG_BL; |
| 2645 |
break;
|
| 2646 |
default:
|
| 2647 |
MIPS_INVAL("conditional branch/jump");
|
| 2648 |
generate_exception(ctx, EXCP_RI); |
| 2649 |
goto out;
|
| 2650 |
} |
| 2651 |
} |
| 2652 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
| 2653 |
blink, ctx->hflags, btgt); |
| 2654 |
|
| 2655 |
ctx->btarget = btgt; |
| 2656 |
if (blink > 0) { |
| 2657 |
int post_delay = insn_bytes;
|
| 2658 |
int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
|
| 2659 |
|
| 2660 |
if (opc != OPC_JALRC)
|
| 2661 |
post_delay += ((ctx->hflags & MIPS_HFLAG_BDS16) ? 2 : 4); |
| 2662 |
|
| 2663 |
tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + post_delay + lowbit); |
| 2664 |
} |
| 2665 |
|
| 2666 |
out:
|
| 2667 |
if (insn_bytes == 2) |
| 2668 |
ctx->hflags |= MIPS_HFLAG_B16; |
| 2669 |
tcg_temp_free(t0); |
| 2670 |
tcg_temp_free(t1); |
| 2671 |
} |
| 2672 |
|
| 2673 |
/* special3 bitfield operations */
|
| 2674 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
| 2675 |
int rs, int lsb, int msb) |
| 2676 |
{
|
| 2677 |
TCGv t0 = tcg_temp_new(); |
| 2678 |
TCGv t1 = tcg_temp_new(); |
| 2679 |
target_ulong mask; |
| 2680 |
|
| 2681 |
gen_load_gpr(t1, rs); |
| 2682 |
switch (opc) {
|
| 2683 |
case OPC_EXT:
|
| 2684 |
if (lsb + msb > 31) |
| 2685 |
goto fail;
|
| 2686 |
tcg_gen_shri_tl(t0, t1, lsb); |
| 2687 |
if (msb != 31) { |
| 2688 |
tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1); |
| 2689 |
} else {
|
| 2690 |
tcg_gen_ext32s_tl(t0, t0); |
| 2691 |
} |
| 2692 |
break;
|
| 2693 |
#if defined(TARGET_MIPS64)
|
| 2694 |
case OPC_DEXTM:
|
| 2695 |
tcg_gen_shri_tl(t0, t1, lsb); |
| 2696 |
if (msb != 31) { |
| 2697 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1); |
| 2698 |
} |
| 2699 |
break;
|
| 2700 |
case OPC_DEXTU:
|
| 2701 |
tcg_gen_shri_tl(t0, t1, lsb + 32);
|
| 2702 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
| 2703 |
break;
|
| 2704 |
case OPC_DEXT:
|
| 2705 |
tcg_gen_shri_tl(t0, t1, lsb); |
| 2706 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
| 2707 |
break;
|
| 2708 |
#endif
|
| 2709 |
case OPC_INS:
|
| 2710 |
if (lsb > msb)
|
| 2711 |
goto fail;
|
| 2712 |
mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb; |
| 2713 |
gen_load_gpr(t0, rt); |
| 2714 |
tcg_gen_andi_tl(t0, t0, ~mask); |
| 2715 |
tcg_gen_shli_tl(t1, t1, lsb); |
| 2716 |
tcg_gen_andi_tl(t1, t1, mask); |
| 2717 |
tcg_gen_or_tl(t0, t0, t1); |
| 2718 |
tcg_gen_ext32s_tl(t0, t0); |
| 2719 |
break;
|
| 2720 |
#if defined(TARGET_MIPS64)
|
| 2721 |
case OPC_DINSM:
|
| 2722 |
if (lsb > msb)
|
| 2723 |
goto fail;
|
| 2724 |
mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb; |
| 2725 |
gen_load_gpr(t0, rt); |
| 2726 |
tcg_gen_andi_tl(t0, t0, ~mask); |
| 2727 |
tcg_gen_shli_tl(t1, t1, lsb); |
| 2728 |
tcg_gen_andi_tl(t1, t1, mask); |
| 2729 |
tcg_gen_or_tl(t0, t0, t1); |
| 2730 |
break;
|
| 2731 |
case OPC_DINSU:
|
| 2732 |
if (lsb > msb)
|
| 2733 |
goto fail;
|
| 2734 |
mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb; |
| 2735 |
gen_load_gpr(t0, rt); |
| 2736 |
tcg_gen_andi_tl(t0, t0, ~mask); |
| 2737 |
tcg_gen_shli_tl(t1, t1, lsb + 32);
|
| 2738 |
tcg_gen_andi_tl(t1, t1, mask); |
| 2739 |
tcg_gen_or_tl(t0, t0, t1); |
| 2740 |
break;
|
| 2741 |
case OPC_DINS:
|
| 2742 |
if (lsb > msb)
|
| 2743 |
goto fail;
|
| 2744 |
gen_load_gpr(t0, rt); |
| 2745 |
mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb; |
| 2746 |
gen_load_gpr(t0, rt); |
| 2747 |
tcg_gen_andi_tl(t0, t0, ~mask); |
| 2748 |
tcg_gen_shli_tl(t1, t1, lsb); |
| 2749 |
tcg_gen_andi_tl(t1, t1, mask); |
| 2750 |
tcg_gen_or_tl(t0, t0, t1); |
| 2751 |
break;
|
| 2752 |
#endif
|
| 2753 |
default:
|
| 2754 |
fail:
|
| 2755 |
MIPS_INVAL("bitops");
|
| 2756 |
generate_exception(ctx, EXCP_RI); |
| 2757 |
tcg_temp_free(t0); |
| 2758 |
tcg_temp_free(t1); |
| 2759 |
return;
|
| 2760 |
} |
| 2761 |
gen_store_gpr(t0, rt); |
| 2762 |
tcg_temp_free(t0); |
| 2763 |
tcg_temp_free(t1); |
| 2764 |
} |
| 2765 |
|
| 2766 |
static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd) |
| 2767 |
{
|
| 2768 |
TCGv t0; |
| 2769 |
|
| 2770 |
if (rd == 0) { |
| 2771 |
/* If no destination, treat it as a NOP. */
|
| 2772 |
MIPS_DEBUG("NOP");
|
| 2773 |
return;
|
| 2774 |
} |
| 2775 |
|
| 2776 |
t0 = tcg_temp_new(); |
| 2777 |
gen_load_gpr(t0, rt); |
| 2778 |
switch (op2) {
|
| 2779 |
case OPC_WSBH:
|
| 2780 |
{
|
| 2781 |
TCGv t1 = tcg_temp_new(); |
| 2782 |
|
| 2783 |
tcg_gen_shri_tl(t1, t0, 8);
|
| 2784 |
tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
|
| 2785 |
tcg_gen_shli_tl(t0, t0, 8);
|
| 2786 |
tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
|
| 2787 |
tcg_gen_or_tl(t0, t0, t1); |
| 2788 |
tcg_temp_free(t1); |
| 2789 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
| 2790 |
} |
| 2791 |
break;
|
| 2792 |
case OPC_SEB:
|
| 2793 |
tcg_gen_ext8s_tl(cpu_gpr[rd], t0); |
| 2794 |
break;
|
| 2795 |
case OPC_SEH:
|
| 2796 |
tcg_gen_ext16s_tl(cpu_gpr[rd], t0); |
| 2797 |
break;
|
| 2798 |
#if defined(TARGET_MIPS64)
|
| 2799 |
case OPC_DSBH:
|
| 2800 |
{
|
| 2801 |
TCGv t1 = tcg_temp_new(); |
| 2802 |
|
| 2803 |
tcg_gen_shri_tl(t1, t0, 8);
|
| 2804 |
tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
|
| 2805 |
tcg_gen_shli_tl(t0, t0, 8);
|
| 2806 |
tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
|
| 2807 |
tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
| 2808 |
tcg_temp_free(t1); |
| 2809 |
} |
| 2810 |
break;
|
| 2811 |
case OPC_DSHD:
|
| 2812 |
{
|
| 2813 |
TCGv t1 = tcg_temp_new(); |
| 2814 |
|
| 2815 |
tcg_gen_shri_tl(t1, t0, 16);
|
| 2816 |
tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
|
| 2817 |
tcg_gen_shli_tl(t0, t0, 16);
|
| 2818 |
tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
|
| 2819 |
tcg_gen_or_tl(t0, t0, t1); |
| 2820 |
tcg_gen_shri_tl(t1, t0, 32);
|
| 2821 |
tcg_gen_shli_tl(t0, t0, 32);
|
| 2822 |
tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
| 2823 |
tcg_temp_free(t1); |
| 2824 |
} |
| 2825 |
break;
|
| 2826 |
#endif
|
| 2827 |
default:
|
| 2828 |
MIPS_INVAL("bsfhl");
|
| 2829 |
generate_exception(ctx, EXCP_RI); |
| 2830 |
tcg_temp_free(t0); |
| 2831 |
return;
|
| 2832 |
} |
| 2833 |
tcg_temp_free(t0); |
| 2834 |
} |
| 2835 |
|
| 2836 |
#ifndef CONFIG_USER_ONLY
|
| 2837 |
/* CP0 (MMU and control) */
|
| 2838 |
static inline void gen_mfc0_load32 (TCGv arg, target_ulong off) |
| 2839 |
{
|
| 2840 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
| 2841 |
|
| 2842 |
tcg_gen_ld_i32(t0, cpu_env, off); |
| 2843 |
tcg_gen_ext_i32_tl(arg, t0); |
| 2844 |
tcg_temp_free_i32(t0); |
| 2845 |
} |
| 2846 |
|
| 2847 |
static inline void gen_mfc0_load64 (TCGv arg, target_ulong off) |
| 2848 |
{
|
| 2849 |
tcg_gen_ld_tl(arg, cpu_env, off); |
| 2850 |
tcg_gen_ext32s_tl(arg, arg); |
| 2851 |
} |
| 2852 |
|
| 2853 |
static inline void gen_mtc0_store32 (TCGv arg, target_ulong off) |
| 2854 |
{
|
| 2855 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
| 2856 |
|
| 2857 |
tcg_gen_trunc_tl_i32(t0, arg); |
| 2858 |
tcg_gen_st_i32(t0, cpu_env, off); |
| 2859 |
tcg_temp_free_i32(t0); |
| 2860 |
} |
| 2861 |
|
| 2862 |
static inline void gen_mtc0_store64 (TCGv arg, target_ulong off) |
| 2863 |
{
|
| 2864 |
tcg_gen_ext32s_tl(arg, arg); |
| 2865 |
tcg_gen_st_tl(arg, cpu_env, off); |
| 2866 |
} |
| 2867 |
|
| 2868 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
| 2869 |
{
|
| 2870 |
const char *rn = "invalid"; |
| 2871 |
|
| 2872 |
if (sel != 0) |
| 2873 |
check_insn(env, ctx, ISA_MIPS32); |
| 2874 |
|
| 2875 |
switch (reg) {
|
| 2876 |
case 0: |
| 2877 |
switch (sel) {
|
| 2878 |
case 0: |
| 2879 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
| 2880 |
rn = "Index";
|
| 2881 |
break;
|
| 2882 |
case 1: |
| 2883 |
check_insn(env, ctx, ASE_MT); |
| 2884 |
gen_helper_mfc0_mvpcontrol(arg); |
| 2885 |
rn = "MVPControl";
|
| 2886 |
break;
|
| 2887 |
case 2: |
| 2888 |
check_insn(env, ctx, ASE_MT); |
| 2889 |
gen_helper_mfc0_mvpconf0(arg); |
| 2890 |
rn = "MVPConf0";
|
| 2891 |
break;
|
| 2892 |
case 3: |
| 2893 |
check_insn(env, ctx, ASE_MT); |
| 2894 |
gen_helper_mfc0_mvpconf1(arg); |
| 2895 |
rn = "MVPConf1";
|
| 2896 |
break;
|
| 2897 |
default:
|
| 2898 |
goto die;
|
| 2899 |
} |
| 2900 |
break;
|
| 2901 |
case 1: |
| 2902 |
switch (sel) {
|
| 2903 |
case 0: |
| 2904 |
gen_helper_mfc0_random(arg); |
| 2905 |
rn = "Random";
|
| 2906 |
break;
|
| 2907 |
case 1: |
| 2908 |
check_insn(env, ctx, ASE_MT); |
| 2909 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
| 2910 |
rn = "VPEControl";
|
| 2911 |
break;
|
| 2912 |
case 2: |
| 2913 |
check_insn(env, ctx, ASE_MT); |
| 2914 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
| 2915 |
rn = "VPEConf0";
|
| 2916 |
break;
|
| 2917 |
case 3: |
| 2918 |
check_insn(env, ctx, ASE_MT); |
| 2919 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
| 2920 |
rn = "VPEConf1";
|
| 2921 |
break;
|
| 2922 |
case 4: |
| 2923 |
check_insn(env, ctx, ASE_MT); |
| 2924 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask)); |
| 2925 |
rn = "YQMask";
|
| 2926 |
break;
|
| 2927 |
case 5: |
| 2928 |
check_insn(env, ctx, ASE_MT); |
| 2929 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule)); |
| 2930 |
rn = "VPESchedule";
|
| 2931 |
break;
|
| 2932 |
case 6: |
| 2933 |
check_insn(env, ctx, ASE_MT); |
| 2934 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
| 2935 |
rn = "VPEScheFBack";
|
| 2936 |
break;
|
| 2937 |
case 7: |
| 2938 |
check_insn(env, ctx, ASE_MT); |
| 2939 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
| 2940 |
rn = "VPEOpt";
|
| 2941 |
break;
|
| 2942 |
default:
|
| 2943 |
goto die;
|
| 2944 |
} |
| 2945 |
break;
|
| 2946 |
case 2: |
| 2947 |
switch (sel) {
|
| 2948 |
case 0: |
| 2949 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
| 2950 |
tcg_gen_ext32s_tl(arg, arg); |
| 2951 |
rn = "EntryLo0";
|
| 2952 |
break;
|
| 2953 |
case 1: |
| 2954 |
check_insn(env, ctx, ASE_MT); |
| 2955 |
gen_helper_mfc0_tcstatus(arg); |
| 2956 |
rn = "TCStatus";
|
| 2957 |
break;
|
| 2958 |
case 2: |
| 2959 |
check_insn(env, ctx, ASE_MT); |
| 2960 |
gen_helper_mfc0_tcbind(arg); |
| 2961 |
rn = "TCBind";
|
| 2962 |
break;
|
| 2963 |
case 3: |
| 2964 |
check_insn(env, ctx, ASE_MT); |
| 2965 |
gen_helper_mfc0_tcrestart(arg); |
| 2966 |
rn = "TCRestart";
|
| 2967 |
break;
|
| 2968 |
case 4: |
| 2969 |
check_insn(env, ctx, ASE_MT); |
| 2970 |
gen_helper_mfc0_tchalt(arg); |
| 2971 |
rn = "TCHalt";
|
| 2972 |
break;
|
| 2973 |
case 5: |
| 2974 |
check_insn(env, ctx, ASE_MT); |
| 2975 |
gen_helper_mfc0_tccontext(arg); |
| 2976 |
rn = "TCContext";
|
| 2977 |
break;
|
| 2978 |
case 6: |
| 2979 |
check_insn(env, ctx, ASE_MT); |
| 2980 |
gen_helper_mfc0_tcschedule(arg); |
| 2981 |
rn = "TCSchedule";
|
| 2982 |
break;
|
| 2983 |
case 7: |
| 2984 |
check_insn(env, ctx, ASE_MT); |
| 2985 |
gen_helper_mfc0_tcschefback(arg); |
| 2986 |
rn = "TCScheFBack";
|
| 2987 |
break;
|
| 2988 |
default:
|
| 2989 |
goto die;
|
| 2990 |
} |
| 2991 |
break;
|
| 2992 |
case 3: |
| 2993 |
switch (sel) {
|
| 2994 |
case 0: |
| 2995 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
| 2996 |
tcg_gen_ext32s_tl(arg, arg); |
| 2997 |
rn = "EntryLo1";
|
| 2998 |
break;
|
| 2999 |
default:
|
| 3000 |
goto die;
|
| 3001 |
} |
| 3002 |
break;
|
| 3003 |
case 4: |
| 3004 |
switch (sel) {
|
| 3005 |
case 0: |
| 3006 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
| 3007 |
tcg_gen_ext32s_tl(arg, arg); |
| 3008 |
rn = "Context";
|
| 3009 |
break;
|
| 3010 |
case 1: |
| 3011 |
// gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
|
| 3012 |
rn = "ContextConfig";
|
| 3013 |
// break;
|
| 3014 |
default:
|
| 3015 |
goto die;
|
| 3016 |
} |
| 3017 |
break;
|
| 3018 |
case 5: |
| 3019 |
switch (sel) {
|
| 3020 |
case 0: |
| 3021 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
| 3022 |
rn = "PageMask";
|
| 3023 |
break;
|
| 3024 |
case 1: |
| 3025 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3026 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
| 3027 |
rn = "PageGrain";
|
| 3028 |
break;
|
| 3029 |
default:
|
| 3030 |
goto die;
|
| 3031 |
} |
| 3032 |
break;
|
| 3033 |
case 6: |
| 3034 |
switch (sel) {
|
| 3035 |
case 0: |
| 3036 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
| 3037 |
rn = "Wired";
|
| 3038 |
break;
|
| 3039 |
case 1: |
| 3040 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3041 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
| 3042 |
rn = "SRSConf0";
|
| 3043 |
break;
|
| 3044 |
case 2: |
| 3045 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3046 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
| 3047 |
rn = "SRSConf1";
|
| 3048 |
break;
|
| 3049 |
case 3: |
| 3050 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3051 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
| 3052 |
rn = "SRSConf2";
|
| 3053 |
break;
|
| 3054 |
case 4: |
| 3055 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3056 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
| 3057 |
rn = "SRSConf3";
|
| 3058 |
break;
|
| 3059 |
case 5: |
| 3060 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3061 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
| 3062 |
rn = "SRSConf4";
|
| 3063 |
break;
|
| 3064 |
default:
|
| 3065 |
goto die;
|
| 3066 |
} |
| 3067 |
break;
|
| 3068 |
case 7: |
| 3069 |
switch (sel) {
|
| 3070 |
case 0: |
| 3071 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3072 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
| 3073 |
rn = "HWREna";
|
| 3074 |
break;
|
| 3075 |
default:
|
| 3076 |
goto die;
|
| 3077 |
} |
| 3078 |
break;
|
| 3079 |
case 8: |
| 3080 |
switch (sel) {
|
| 3081 |
case 0: |
| 3082 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
| 3083 |
tcg_gen_ext32s_tl(arg, arg); |
| 3084 |
rn = "BadVAddr";
|
| 3085 |
break;
|
| 3086 |
default:
|
| 3087 |
goto die;
|
| 3088 |
} |
| 3089 |
break;
|
| 3090 |
case 9: |
| 3091 |
switch (sel) {
|
| 3092 |
case 0: |
| 3093 |
/* Mark as an IO operation because we read the time. */
|
| 3094 |
if (use_icount)
|
| 3095 |
gen_io_start(); |
| 3096 |
gen_helper_mfc0_count(arg); |
| 3097 |
if (use_icount) {
|
| 3098 |
gen_io_end(); |
| 3099 |
ctx->bstate = BS_STOP; |
| 3100 |
} |
| 3101 |
rn = "Count";
|
| 3102 |
break;
|
| 3103 |
/* 6,7 are implementation dependent */
|
| 3104 |
default:
|
| 3105 |
goto die;
|
| 3106 |
} |
| 3107 |
break;
|
| 3108 |
case 10: |
| 3109 |
switch (sel) {
|
| 3110 |
case 0: |
| 3111 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
| 3112 |
tcg_gen_ext32s_tl(arg, arg); |
| 3113 |
rn = "EntryHi";
|
| 3114 |
break;
|
| 3115 |
default:
|
| 3116 |
goto die;
|
| 3117 |
} |
| 3118 |
break;
|
| 3119 |
case 11: |
| 3120 |
switch (sel) {
|
| 3121 |
case 0: |
| 3122 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
| 3123 |
rn = "Compare";
|
| 3124 |
break;
|
| 3125 |
/* 6,7 are implementation dependent */
|
| 3126 |
default:
|
| 3127 |
goto die;
|
| 3128 |
} |
| 3129 |
break;
|
| 3130 |
case 12: |
| 3131 |
switch (sel) {
|
| 3132 |
case 0: |
| 3133 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
| 3134 |
rn = "Status";
|
| 3135 |
break;
|
| 3136 |
case 1: |
| 3137 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3138 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
| 3139 |
rn = "IntCtl";
|
| 3140 |
break;
|
| 3141 |
case 2: |
| 3142 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3143 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
| 3144 |
rn = "SRSCtl";
|
| 3145 |
break;
|
| 3146 |
case 3: |
| 3147 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3148 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
| 3149 |
rn = "SRSMap";
|
| 3150 |
break;
|
| 3151 |
default:
|
| 3152 |
goto die;
|
| 3153 |
} |
| 3154 |
break;
|
| 3155 |
case 13: |
| 3156 |
switch (sel) {
|
| 3157 |
case 0: |
| 3158 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
| 3159 |
rn = "Cause";
|
| 3160 |
break;
|
| 3161 |
default:
|
| 3162 |
goto die;
|
| 3163 |
} |
| 3164 |
break;
|
| 3165 |
case 14: |
| 3166 |
switch (sel) {
|
| 3167 |
case 0: |
| 3168 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
| 3169 |
tcg_gen_ext32s_tl(arg, arg); |
| 3170 |
rn = "EPC";
|
| 3171 |
break;
|
| 3172 |
default:
|
| 3173 |
goto die;
|
| 3174 |
} |
| 3175 |
break;
|
| 3176 |
case 15: |
| 3177 |
switch (sel) {
|
| 3178 |
case 0: |
| 3179 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
| 3180 |
rn = "PRid";
|
| 3181 |
break;
|
| 3182 |
case 1: |
| 3183 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3184 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
| 3185 |
rn = "EBase";
|
| 3186 |
break;
|
| 3187 |
default:
|
| 3188 |
goto die;
|
| 3189 |
} |
| 3190 |
break;
|
| 3191 |
case 16: |
| 3192 |
switch (sel) {
|
| 3193 |
case 0: |
| 3194 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
| 3195 |
rn = "Config";
|
| 3196 |
break;
|
| 3197 |
case 1: |
| 3198 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
| 3199 |
rn = "Config1";
|
| 3200 |
break;
|
| 3201 |
case 2: |
| 3202 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
| 3203 |
rn = "Config2";
|
| 3204 |
break;
|
| 3205 |
case 3: |
| 3206 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
| 3207 |
rn = "Config3";
|
| 3208 |
break;
|
| 3209 |
/* 4,5 are reserved */
|
| 3210 |
/* 6,7 are implementation dependent */
|
| 3211 |
case 6: |
| 3212 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
| 3213 |
rn = "Config6";
|
| 3214 |
break;
|
| 3215 |
case 7: |
| 3216 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
| 3217 |
rn = "Config7";
|
| 3218 |
break;
|
| 3219 |
default:
|
| 3220 |
goto die;
|
| 3221 |
} |
| 3222 |
break;
|
| 3223 |
case 17: |
| 3224 |
switch (sel) {
|
| 3225 |
case 0: |
| 3226 |
gen_helper_mfc0_lladdr(arg); |
| 3227 |
rn = "LLAddr";
|
| 3228 |
break;
|
| 3229 |
default:
|
| 3230 |
goto die;
|
| 3231 |
} |
| 3232 |
break;
|
| 3233 |
case 18: |
| 3234 |
switch (sel) {
|
| 3235 |
case 0 ... 7: |
| 3236 |
gen_helper_1i(mfc0_watchlo, arg, sel); |
| 3237 |
rn = "WatchLo";
|
| 3238 |
break;
|
| 3239 |
default:
|
| 3240 |
goto die;
|
| 3241 |
} |
| 3242 |
break;
|
| 3243 |
case 19: |
| 3244 |
switch (sel) {
|
| 3245 |
case 0 ...7: |
| 3246 |
gen_helper_1i(mfc0_watchhi, arg, sel); |
| 3247 |
rn = "WatchHi";
|
| 3248 |
break;
|
| 3249 |
default:
|
| 3250 |
goto die;
|
| 3251 |
} |
| 3252 |
break;
|
| 3253 |
case 20: |
| 3254 |
switch (sel) {
|
| 3255 |
case 0: |
| 3256 |
#if defined(TARGET_MIPS64)
|
| 3257 |
check_insn(env, ctx, ISA_MIPS3); |
| 3258 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
| 3259 |
tcg_gen_ext32s_tl(arg, arg); |
| 3260 |
rn = "XContext";
|
| 3261 |
break;
|
| 3262 |
#endif
|
| 3263 |
default:
|
| 3264 |
goto die;
|
| 3265 |
} |
| 3266 |
break;
|
| 3267 |
case 21: |
| 3268 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 3269 |
switch (sel) {
|
| 3270 |
case 0: |
| 3271 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
| 3272 |
rn = "Framemask";
|
| 3273 |
break;
|
| 3274 |
default:
|
| 3275 |
goto die;
|
| 3276 |
} |
| 3277 |
break;
|
| 3278 |
case 22: |
| 3279 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| 3280 |
rn = "'Diagnostic"; /* implementation dependent */ |
| 3281 |
break;
|
| 3282 |
case 23: |
| 3283 |
switch (sel) {
|
| 3284 |
case 0: |
| 3285 |
gen_helper_mfc0_debug(arg); /* EJTAG support */
|
| 3286 |
rn = "Debug";
|
| 3287 |
break;
|
| 3288 |
case 1: |
| 3289 |
// gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
|
| 3290 |
rn = "TraceControl";
|
| 3291 |
// break;
|
| 3292 |
case 2: |
| 3293 |
// gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
|
| 3294 |
rn = "TraceControl2";
|
| 3295 |
// break;
|
| 3296 |
case 3: |
| 3297 |
// gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
|
| 3298 |
rn = "UserTraceData";
|
| 3299 |
// break;
|
| 3300 |
case 4: |
| 3301 |
// gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
|
| 3302 |
rn = "TraceBPC";
|
| 3303 |
// break;
|
| 3304 |
default:
|
| 3305 |
goto die;
|
| 3306 |
} |
| 3307 |
break;
|
| 3308 |
case 24: |
| 3309 |
switch (sel) {
|
| 3310 |
case 0: |
| 3311 |
/* EJTAG support */
|
| 3312 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
| 3313 |
tcg_gen_ext32s_tl(arg, arg); |
| 3314 |
rn = "DEPC";
|
| 3315 |
break;
|
| 3316 |
default:
|
| 3317 |
goto die;
|
| 3318 |
} |
| 3319 |
break;
|
| 3320 |
case 25: |
| 3321 |
switch (sel) {
|
| 3322 |
case 0: |
| 3323 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
| 3324 |
rn = "Performance0";
|
| 3325 |
break;
|
| 3326 |
case 1: |
| 3327 |
// gen_helper_mfc0_performance1(arg);
|
| 3328 |
rn = "Performance1";
|
| 3329 |
// break;
|
| 3330 |
case 2: |
| 3331 |
// gen_helper_mfc0_performance2(arg);
|
| 3332 |
rn = "Performance2";
|
| 3333 |
// break;
|
| 3334 |
case 3: |
| 3335 |
// gen_helper_mfc0_performance3(arg);
|
| 3336 |
rn = "Performance3";
|
| 3337 |
// break;
|
| 3338 |
case 4: |
| 3339 |
// gen_helper_mfc0_performance4(arg);
|
| 3340 |
rn = "Performance4";
|
| 3341 |
// break;
|
| 3342 |
case 5: |
| 3343 |
// gen_helper_mfc0_performance5(arg);
|
| 3344 |
rn = "Performance5";
|
| 3345 |
// break;
|
| 3346 |
case 6: |
| 3347 |
// gen_helper_mfc0_performance6(arg);
|
| 3348 |
rn = "Performance6";
|
| 3349 |
// break;
|
| 3350 |
case 7: |
| 3351 |
// gen_helper_mfc0_performance7(arg);
|
| 3352 |
rn = "Performance7";
|
| 3353 |
// break;
|
| 3354 |
default:
|
| 3355 |
goto die;
|
| 3356 |
} |
| 3357 |
break;
|
| 3358 |
case 26: |
| 3359 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| 3360 |
rn = "ECC";
|
| 3361 |
break;
|
| 3362 |
case 27: |
| 3363 |
switch (sel) {
|
| 3364 |
case 0 ... 3: |
| 3365 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| 3366 |
rn = "CacheErr";
|
| 3367 |
break;
|
| 3368 |
default:
|
| 3369 |
goto die;
|
| 3370 |
} |
| 3371 |
break;
|
| 3372 |
case 28: |
| 3373 |
switch (sel) {
|
| 3374 |
case 0: |
| 3375 |
case 2: |
| 3376 |
case 4: |
| 3377 |
case 6: |
| 3378 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
| 3379 |
rn = "TagLo";
|
| 3380 |
break;
|
| 3381 |
case 1: |
| 3382 |
case 3: |
| 3383 |
case 5: |
| 3384 |
case 7: |
| 3385 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
| 3386 |
rn = "DataLo";
|
| 3387 |
break;
|
| 3388 |
default:
|
| 3389 |
goto die;
|
| 3390 |
} |
| 3391 |
break;
|
| 3392 |
case 29: |
| 3393 |
switch (sel) {
|
| 3394 |
case 0: |
| 3395 |
case 2: |
| 3396 |
case 4: |
| 3397 |
case 6: |
| 3398 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
| 3399 |
rn = "TagHi";
|
| 3400 |
break;
|
| 3401 |
case 1: |
| 3402 |
case 3: |
| 3403 |
case 5: |
| 3404 |
case 7: |
| 3405 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
| 3406 |
rn = "DataHi";
|
| 3407 |
break;
|
| 3408 |
default:
|
| 3409 |
goto die;
|
| 3410 |
} |
| 3411 |
break;
|
| 3412 |
case 30: |
| 3413 |
switch (sel) {
|
| 3414 |
case 0: |
| 3415 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
| 3416 |
tcg_gen_ext32s_tl(arg, arg); |
| 3417 |
rn = "ErrorEPC";
|
| 3418 |
break;
|
| 3419 |
default:
|
| 3420 |
goto die;
|
| 3421 |
} |
| 3422 |
break;
|
| 3423 |
case 31: |
| 3424 |
switch (sel) {
|
| 3425 |
case 0: |
| 3426 |
/* EJTAG support */
|
| 3427 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
| 3428 |
rn = "DESAVE";
|
| 3429 |
break;
|
| 3430 |
default:
|
| 3431 |
goto die;
|
| 3432 |
} |
| 3433 |
break;
|
| 3434 |
default:
|
| 3435 |
goto die;
|
| 3436 |
} |
| 3437 |
LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 3438 |
return;
|
| 3439 |
|
| 3440 |
die:
|
| 3441 |
LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 3442 |
generate_exception(ctx, EXCP_RI); |
| 3443 |
} |
| 3444 |
|
| 3445 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
| 3446 |
{
|
| 3447 |
const char *rn = "invalid"; |
| 3448 |
|
| 3449 |
if (sel != 0) |
| 3450 |
check_insn(env, ctx, ISA_MIPS32); |
| 3451 |
|
| 3452 |
if (use_icount)
|
| 3453 |
gen_io_start(); |
| 3454 |
|
| 3455 |
switch (reg) {
|
| 3456 |
case 0: |
| 3457 |
switch (sel) {
|
| 3458 |
case 0: |
| 3459 |
gen_helper_mtc0_index(arg); |
| 3460 |
rn = "Index";
|
| 3461 |
break;
|
| 3462 |
case 1: |
| 3463 |
check_insn(env, ctx, ASE_MT); |
| 3464 |
gen_helper_mtc0_mvpcontrol(arg); |
| 3465 |
rn = "MVPControl";
|
| 3466 |
break;
|
| 3467 |
case 2: |
| 3468 |
check_insn(env, ctx, ASE_MT); |
| 3469 |
/* ignored */
|
| 3470 |
rn = "MVPConf0";
|
| 3471 |
break;
|
| 3472 |
case 3: |
| 3473 |
check_insn(env, ctx, ASE_MT); |
| 3474 |
/* ignored */
|
| 3475 |
rn = "MVPConf1";
|
| 3476 |
break;
|
| 3477 |
default:
|
| 3478 |
goto die;
|
| 3479 |
} |
| 3480 |
break;
|
| 3481 |
case 1: |
| 3482 |
switch (sel) {
|
| 3483 |
case 0: |
| 3484 |
/* ignored */
|
| 3485 |
rn = "Random";
|
| 3486 |
break;
|
| 3487 |
case 1: |
| 3488 |
check_insn(env, ctx, ASE_MT); |
| 3489 |
gen_helper_mtc0_vpecontrol(arg); |
| 3490 |
rn = "VPEControl";
|
| 3491 |
break;
|
| 3492 |
case 2: |
| 3493 |
check_insn(env, ctx, ASE_MT); |
| 3494 |
gen_helper_mtc0_vpeconf0(arg); |
| 3495 |
rn = "VPEConf0";
|
| 3496 |
break;
|
| 3497 |
case 3: |
| 3498 |
check_insn(env, ctx, ASE_MT); |
| 3499 |
gen_helper_mtc0_vpeconf1(arg); |
| 3500 |
rn = "VPEConf1";
|
| 3501 |
break;
|
| 3502 |
case 4: |
| 3503 |
check_insn(env, ctx, ASE_MT); |
| 3504 |
gen_helper_mtc0_yqmask(arg); |
| 3505 |
rn = "YQMask";
|
| 3506 |
break;
|
| 3507 |
case 5: |
| 3508 |
check_insn(env, ctx, ASE_MT); |
| 3509 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule)); |
| 3510 |
rn = "VPESchedule";
|
| 3511 |
break;
|
| 3512 |
case 6: |
| 3513 |
check_insn(env, ctx, ASE_MT); |
| 3514 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
| 3515 |
rn = "VPEScheFBack";
|
| 3516 |
break;
|
| 3517 |
case 7: |
| 3518 |
check_insn(env, ctx, ASE_MT); |
| 3519 |
gen_helper_mtc0_vpeopt(arg); |
| 3520 |
rn = "VPEOpt";
|
| 3521 |
break;
|
| 3522 |
default:
|
| 3523 |
goto die;
|
| 3524 |
} |
| 3525 |
break;
|
| 3526 |
case 2: |
| 3527 |
switch (sel) {
|
| 3528 |
case 0: |
| 3529 |
gen_helper_mtc0_entrylo0(arg); |
| 3530 |
rn = "EntryLo0";
|
| 3531 |
break;
|
| 3532 |
case 1: |
| 3533 |
check_insn(env, ctx, ASE_MT); |
| 3534 |
gen_helper_mtc0_tcstatus(arg); |
| 3535 |
rn = "TCStatus";
|
| 3536 |
break;
|
| 3537 |
case 2: |
| 3538 |
check_insn(env, ctx, ASE_MT); |
| 3539 |
gen_helper_mtc0_tcbind(arg); |
| 3540 |
rn = "TCBind";
|
| 3541 |
break;
|
| 3542 |
case 3: |
| 3543 |
check_insn(env, ctx, ASE_MT); |
| 3544 |
gen_helper_mtc0_tcrestart(arg); |
| 3545 |
rn = "TCRestart";
|
| 3546 |
break;
|
| 3547 |
case 4: |
| 3548 |
check_insn(env, ctx, ASE_MT); |
| 3549 |
gen_helper_mtc0_tchalt(arg); |
| 3550 |
rn = "TCHalt";
|
| 3551 |
break;
|
| 3552 |
case 5: |
| 3553 |
check_insn(env, ctx, ASE_MT); |
| 3554 |
gen_helper_mtc0_tccontext(arg); |
| 3555 |
rn = "TCContext";
|
| 3556 |
break;
|
| 3557 |
case 6: |
| 3558 |
check_insn(env, ctx, ASE_MT); |
| 3559 |
gen_helper_mtc0_tcschedule(arg); |
| 3560 |
rn = "TCSchedule";
|
| 3561 |
break;
|
| 3562 |
case 7: |
| 3563 |
check_insn(env, ctx, ASE_MT); |
| 3564 |
gen_helper_mtc0_tcschefback(arg); |
| 3565 |
rn = "TCScheFBack";
|
| 3566 |
break;
|
| 3567 |
default:
|
| 3568 |
goto die;
|
| 3569 |
} |
| 3570 |
break;
|
| 3571 |
case 3: |
| 3572 |
switch (sel) {
|
| 3573 |
case 0: |
| 3574 |
gen_helper_mtc0_entrylo1(arg); |
| 3575 |
rn = "EntryLo1";
|
| 3576 |
break;
|
| 3577 |
default:
|
| 3578 |
goto die;
|
| 3579 |
} |
| 3580 |
break;
|
| 3581 |
case 4: |
| 3582 |
switch (sel) {
|
| 3583 |
case 0: |
| 3584 |
gen_helper_mtc0_context(arg); |
| 3585 |
rn = "Context";
|
| 3586 |
break;
|
| 3587 |
case 1: |
| 3588 |
// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
|
| 3589 |
rn = "ContextConfig";
|
| 3590 |
// break;
|
| 3591 |
default:
|
| 3592 |
goto die;
|
| 3593 |
} |
| 3594 |
break;
|
| 3595 |
case 5: |
| 3596 |
switch (sel) {
|
| 3597 |
case 0: |
| 3598 |
gen_helper_mtc0_pagemask(arg); |
| 3599 |
rn = "PageMask";
|
| 3600 |
break;
|
| 3601 |
case 1: |
| 3602 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3603 |
gen_helper_mtc0_pagegrain(arg); |
| 3604 |
rn = "PageGrain";
|
| 3605 |
break;
|
| 3606 |
default:
|
| 3607 |
goto die;
|
| 3608 |
} |
| 3609 |
break;
|
| 3610 |
case 6: |
| 3611 |
switch (sel) {
|
| 3612 |
case 0: |
| 3613 |
gen_helper_mtc0_wired(arg); |
| 3614 |
rn = "Wired";
|
| 3615 |
break;
|
| 3616 |
case 1: |
| 3617 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3618 |
gen_helper_mtc0_srsconf0(arg); |
| 3619 |
rn = "SRSConf0";
|
| 3620 |
break;
|
| 3621 |
case 2: |
| 3622 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3623 |
gen_helper_mtc0_srsconf1(arg); |
| 3624 |
rn = "SRSConf1";
|
| 3625 |
break;
|
| 3626 |
case 3: |
| 3627 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3628 |
gen_helper_mtc0_srsconf2(arg); |
| 3629 |
rn = "SRSConf2";
|
| 3630 |
break;
|
| 3631 |
case 4: |
| 3632 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3633 |
gen_helper_mtc0_srsconf3(arg); |
| 3634 |
rn = "SRSConf3";
|
| 3635 |
break;
|
| 3636 |
case 5: |
| 3637 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3638 |
gen_helper_mtc0_srsconf4(arg); |
| 3639 |
rn = "SRSConf4";
|
| 3640 |
break;
|
| 3641 |
default:
|
| 3642 |
goto die;
|
| 3643 |
} |
| 3644 |
break;
|
| 3645 |
case 7: |
| 3646 |
switch (sel) {
|
| 3647 |
case 0: |
| 3648 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3649 |
gen_helper_mtc0_hwrena(arg); |
| 3650 |
rn = "HWREna";
|
| 3651 |
break;
|
| 3652 |
default:
|
| 3653 |
goto die;
|
| 3654 |
} |
| 3655 |
break;
|
| 3656 |
case 8: |
| 3657 |
/* ignored */
|
| 3658 |
rn = "BadVAddr";
|
| 3659 |
break;
|
| 3660 |
case 9: |
| 3661 |
switch (sel) {
|
| 3662 |
case 0: |
| 3663 |
gen_helper_mtc0_count(arg); |
| 3664 |
rn = "Count";
|
| 3665 |
break;
|
| 3666 |
/* 6,7 are implementation dependent */
|
| 3667 |
default:
|
| 3668 |
goto die;
|
| 3669 |
} |
| 3670 |
break;
|
| 3671 |
case 10: |
| 3672 |
switch (sel) {
|
| 3673 |
case 0: |
| 3674 |
gen_helper_mtc0_entryhi(arg); |
| 3675 |
rn = "EntryHi";
|
| 3676 |
break;
|
| 3677 |
default:
|
| 3678 |
goto die;
|
| 3679 |
} |
| 3680 |
break;
|
| 3681 |
case 11: |
| 3682 |
switch (sel) {
|
| 3683 |
case 0: |
| 3684 |
gen_helper_mtc0_compare(arg); |
| 3685 |
rn = "Compare";
|
| 3686 |
break;
|
| 3687 |
/* 6,7 are implementation dependent */
|
| 3688 |
default:
|
| 3689 |
goto die;
|
| 3690 |
} |
| 3691 |
break;
|
| 3692 |
case 12: |
| 3693 |
switch (sel) {
|
| 3694 |
case 0: |
| 3695 |
save_cpu_state(ctx, 1);
|
| 3696 |
gen_helper_mtc0_status(arg); |
| 3697 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 3698 |
gen_save_pc(ctx->pc + 4);
|
| 3699 |
ctx->bstate = BS_EXCP; |
| 3700 |
rn = "Status";
|
| 3701 |
break;
|
| 3702 |
case 1: |
| 3703 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3704 |
gen_helper_mtc0_intctl(arg); |
| 3705 |
/* Stop translation as we may have switched the execution mode */
|
| 3706 |
ctx->bstate = BS_STOP; |
| 3707 |
rn = "IntCtl";
|
| 3708 |
break;
|
| 3709 |
case 2: |
| 3710 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3711 |
gen_helper_mtc0_srsctl(arg); |
| 3712 |
/* Stop translation as we may have switched the execution mode */
|
| 3713 |
ctx->bstate = BS_STOP; |
| 3714 |
rn = "SRSCtl";
|
| 3715 |
break;
|
| 3716 |
case 3: |
| 3717 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3718 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
| 3719 |
/* Stop translation as we may have switched the execution mode */
|
| 3720 |
ctx->bstate = BS_STOP; |
| 3721 |
rn = "SRSMap";
|
| 3722 |
break;
|
| 3723 |
default:
|
| 3724 |
goto die;
|
| 3725 |
} |
| 3726 |
break;
|
| 3727 |
case 13: |
| 3728 |
switch (sel) {
|
| 3729 |
case 0: |
| 3730 |
save_cpu_state(ctx, 1);
|
| 3731 |
gen_helper_mtc0_cause(arg); |
| 3732 |
rn = "Cause";
|
| 3733 |
break;
|
| 3734 |
default:
|
| 3735 |
goto die;
|
| 3736 |
} |
| 3737 |
break;
|
| 3738 |
case 14: |
| 3739 |
switch (sel) {
|
| 3740 |
case 0: |
| 3741 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC)); |
| 3742 |
rn = "EPC";
|
| 3743 |
break;
|
| 3744 |
default:
|
| 3745 |
goto die;
|
| 3746 |
} |
| 3747 |
break;
|
| 3748 |
case 15: |
| 3749 |
switch (sel) {
|
| 3750 |
case 0: |
| 3751 |
/* ignored */
|
| 3752 |
rn = "PRid";
|
| 3753 |
break;
|
| 3754 |
case 1: |
| 3755 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3756 |
gen_helper_mtc0_ebase(arg); |
| 3757 |
rn = "EBase";
|
| 3758 |
break;
|
| 3759 |
default:
|
| 3760 |
goto die;
|
| 3761 |
} |
| 3762 |
break;
|
| 3763 |
case 16: |
| 3764 |
switch (sel) {
|
| 3765 |
case 0: |
| 3766 |
gen_helper_mtc0_config0(arg); |
| 3767 |
rn = "Config";
|
| 3768 |
/* Stop translation as we may have switched the execution mode */
|
| 3769 |
ctx->bstate = BS_STOP; |
| 3770 |
break;
|
| 3771 |
case 1: |
| 3772 |
/* ignored, read only */
|
| 3773 |
rn = "Config1";
|
| 3774 |
break;
|
| 3775 |
case 2: |
| 3776 |
gen_helper_mtc0_config2(arg); |
| 3777 |
rn = "Config2";
|
| 3778 |
/* Stop translation as we may have switched the execution mode */
|
| 3779 |
ctx->bstate = BS_STOP; |
| 3780 |
break;
|
| 3781 |
case 3: |
| 3782 |
/* ignored, read only */
|
| 3783 |
rn = "Config3";
|
| 3784 |
break;
|
| 3785 |
/* 4,5 are reserved */
|
| 3786 |
/* 6,7 are implementation dependent */
|
| 3787 |
case 6: |
| 3788 |
/* ignored */
|
| 3789 |
rn = "Config6";
|
| 3790 |
break;
|
| 3791 |
case 7: |
| 3792 |
/* ignored */
|
| 3793 |
rn = "Config7";
|
| 3794 |
break;
|
| 3795 |
default:
|
| 3796 |
rn = "Invalid config selector";
|
| 3797 |
goto die;
|
| 3798 |
} |
| 3799 |
break;
|
| 3800 |
case 17: |
| 3801 |
switch (sel) {
|
| 3802 |
case 0: |
| 3803 |
gen_helper_mtc0_lladdr(arg); |
| 3804 |
rn = "LLAddr";
|
| 3805 |
break;
|
| 3806 |
default:
|
| 3807 |
goto die;
|
| 3808 |
} |
| 3809 |
break;
|
| 3810 |
case 18: |
| 3811 |
switch (sel) {
|
| 3812 |
case 0 ... 7: |
| 3813 |
gen_helper_1i(mtc0_watchlo, arg, sel); |
| 3814 |
rn = "WatchLo";
|
| 3815 |
break;
|
| 3816 |
default:
|
| 3817 |
goto die;
|
| 3818 |
} |
| 3819 |
break;
|
| 3820 |
case 19: |
| 3821 |
switch (sel) {
|
| 3822 |
case 0 ... 7: |
| 3823 |
gen_helper_1i(mtc0_watchhi, arg, sel); |
| 3824 |
rn = "WatchHi";
|
| 3825 |
break;
|
| 3826 |
default:
|
| 3827 |
goto die;
|
| 3828 |
} |
| 3829 |
break;
|
| 3830 |
case 20: |
| 3831 |
switch (sel) {
|
| 3832 |
case 0: |
| 3833 |
#if defined(TARGET_MIPS64)
|
| 3834 |
check_insn(env, ctx, ISA_MIPS3); |
| 3835 |
gen_helper_mtc0_xcontext(arg); |
| 3836 |
rn = "XContext";
|
| 3837 |
break;
|
| 3838 |
#endif
|
| 3839 |
default:
|
| 3840 |
goto die;
|
| 3841 |
} |
| 3842 |
break;
|
| 3843 |
case 21: |
| 3844 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 3845 |
switch (sel) {
|
| 3846 |
case 0: |
| 3847 |
gen_helper_mtc0_framemask(arg); |
| 3848 |
rn = "Framemask";
|
| 3849 |
break;
|
| 3850 |
default:
|
| 3851 |
goto die;
|
| 3852 |
} |
| 3853 |
break;
|
| 3854 |
case 22: |
| 3855 |
/* ignored */
|
| 3856 |
rn = "Diagnostic"; /* implementation dependent */ |
| 3857 |
break;
|
| 3858 |
case 23: |
| 3859 |
switch (sel) {
|
| 3860 |
case 0: |
| 3861 |
gen_helper_mtc0_debug(arg); /* EJTAG support */
|
| 3862 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 3863 |
gen_save_pc(ctx->pc + 4);
|
| 3864 |
ctx->bstate = BS_EXCP; |
| 3865 |
rn = "Debug";
|
| 3866 |
break;
|
| 3867 |
case 1: |
| 3868 |
// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
|
| 3869 |
rn = "TraceControl";
|
| 3870 |
/* Stop translation as we may have switched the execution mode */
|
| 3871 |
ctx->bstate = BS_STOP; |
| 3872 |
// break;
|
| 3873 |
case 2: |
| 3874 |
// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
|
| 3875 |
rn = "TraceControl2";
|
| 3876 |
/* Stop translation as we may have switched the execution mode */
|
| 3877 |
ctx->bstate = BS_STOP; |
| 3878 |
// break;
|
| 3879 |
case 3: |
| 3880 |
/* Stop translation as we may have switched the execution mode */
|
| 3881 |
ctx->bstate = BS_STOP; |
| 3882 |
// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
|
| 3883 |
rn = "UserTraceData";
|
| 3884 |
/* Stop translation as we may have switched the execution mode */
|
| 3885 |
ctx->bstate = BS_STOP; |
| 3886 |
// break;
|
| 3887 |
case 4: |
| 3888 |
// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
|
| 3889 |
/* Stop translation as we may have switched the execution mode */
|
| 3890 |
ctx->bstate = BS_STOP; |
| 3891 |
rn = "TraceBPC";
|
| 3892 |
// break;
|
| 3893 |
default:
|
| 3894 |
goto die;
|
| 3895 |
} |
| 3896 |
break;
|
| 3897 |
case 24: |
| 3898 |
switch (sel) {
|
| 3899 |
case 0: |
| 3900 |
/* EJTAG support */
|
| 3901 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC)); |
| 3902 |
rn = "DEPC";
|
| 3903 |
break;
|
| 3904 |
default:
|
| 3905 |
goto die;
|
| 3906 |
} |
| 3907 |
break;
|
| 3908 |
case 25: |
| 3909 |
switch (sel) {
|
| 3910 |
case 0: |
| 3911 |
gen_helper_mtc0_performance0(arg); |
| 3912 |
rn = "Performance0";
|
| 3913 |
break;
|
| 3914 |
case 1: |
| 3915 |
// gen_helper_mtc0_performance1(arg);
|
| 3916 |
rn = "Performance1";
|
| 3917 |
// break;
|
| 3918 |
case 2: |
| 3919 |
// gen_helper_mtc0_performance2(arg);
|
| 3920 |
rn = "Performance2";
|
| 3921 |
// break;
|
| 3922 |
case 3: |
| 3923 |
// gen_helper_mtc0_performance3(arg);
|
| 3924 |
rn = "Performance3";
|
| 3925 |
// break;
|
| 3926 |
case 4: |
| 3927 |
// gen_helper_mtc0_performance4(arg);
|
| 3928 |
rn = "Performance4";
|
| 3929 |
// break;
|
| 3930 |
case 5: |
| 3931 |
// gen_helper_mtc0_performance5(arg);
|
| 3932 |
rn = "Performance5";
|
| 3933 |
// break;
|
| 3934 |
case 6: |
| 3935 |
// gen_helper_mtc0_performance6(arg);
|
| 3936 |
rn = "Performance6";
|
| 3937 |
// break;
|
| 3938 |
case 7: |
| 3939 |
// gen_helper_mtc0_performance7(arg);
|
| 3940 |
rn = "Performance7";
|
| 3941 |
// break;
|
| 3942 |
default:
|
| 3943 |
goto die;
|
| 3944 |
} |
| 3945 |
break;
|
| 3946 |
case 26: |
| 3947 |
/* ignored */
|
| 3948 |
rn = "ECC";
|
| 3949 |
break;
|
| 3950 |
case 27: |
| 3951 |
switch (sel) {
|
| 3952 |
case 0 ... 3: |
| 3953 |
/* ignored */
|
| 3954 |
rn = "CacheErr";
|
| 3955 |
break;
|
| 3956 |
default:
|
| 3957 |
goto die;
|
| 3958 |
} |
| 3959 |
break;
|
| 3960 |
case 28: |
| 3961 |
switch (sel) {
|
| 3962 |
case 0: |
| 3963 |
case 2: |
| 3964 |
case 4: |
| 3965 |
case 6: |
| 3966 |
gen_helper_mtc0_taglo(arg); |
| 3967 |
rn = "TagLo";
|
| 3968 |
break;
|
| 3969 |
case 1: |
| 3970 |
case 3: |
| 3971 |
case 5: |
| 3972 |
case 7: |
| 3973 |
gen_helper_mtc0_datalo(arg); |
| 3974 |
rn = "DataLo";
|
| 3975 |
break;
|
| 3976 |
default:
|
| 3977 |
goto die;
|
| 3978 |
} |
| 3979 |
break;
|
| 3980 |
case 29: |
| 3981 |
switch (sel) {
|
| 3982 |
case 0: |
| 3983 |
case 2: |
| 3984 |
case 4: |
| 3985 |
case 6: |
| 3986 |
gen_helper_mtc0_taghi(arg); |
| 3987 |
rn = "TagHi";
|
| 3988 |
break;
|
| 3989 |
case 1: |
| 3990 |
case 3: |
| 3991 |
case 5: |
| 3992 |
case 7: |
| 3993 |
gen_helper_mtc0_datahi(arg); |
| 3994 |
rn = "DataHi";
|
| 3995 |
break;
|
| 3996 |
default:
|
| 3997 |
rn = "invalid sel";
|
| 3998 |
goto die;
|
| 3999 |
} |
| 4000 |
break;
|
| 4001 |
case 30: |
| 4002 |
switch (sel) {
|
| 4003 |
case 0: |
| 4004 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC)); |
| 4005 |
rn = "ErrorEPC";
|
| 4006 |
break;
|
| 4007 |
default:
|
| 4008 |
goto die;
|
| 4009 |
} |
| 4010 |
break;
|
| 4011 |
case 31: |
| 4012 |
switch (sel) {
|
| 4013 |
case 0: |
| 4014 |
/* EJTAG support */
|
| 4015 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
| 4016 |
rn = "DESAVE";
|
| 4017 |
break;
|
| 4018 |
default:
|
| 4019 |
goto die;
|
| 4020 |
} |
| 4021 |
/* Stop translation as we may have switched the execution mode */
|
| 4022 |
ctx->bstate = BS_STOP; |
| 4023 |
break;
|
| 4024 |
default:
|
| 4025 |
goto die;
|
| 4026 |
} |
| 4027 |
LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 4028 |
/* For simplicity assume that all writes can cause interrupts. */
|
| 4029 |
if (use_icount) {
|
| 4030 |
gen_io_end(); |
| 4031 |
ctx->bstate = BS_STOP; |
| 4032 |
} |
| 4033 |
return;
|
| 4034 |
|
| 4035 |
die:
|
| 4036 |
LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 4037 |
generate_exception(ctx, EXCP_RI); |
| 4038 |
} |
| 4039 |
|
| 4040 |
#if defined(TARGET_MIPS64)
|
| 4041 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
| 4042 |
{
|
| 4043 |
const char *rn = "invalid"; |
| 4044 |
|
| 4045 |
if (sel != 0) |
| 4046 |
check_insn(env, ctx, ISA_MIPS64); |
| 4047 |
|
| 4048 |
switch (reg) {
|
| 4049 |
case 0: |
| 4050 |
switch (sel) {
|
| 4051 |
case 0: |
| 4052 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
| 4053 |
rn = "Index";
|
| 4054 |
break;
|
| 4055 |
case 1: |
| 4056 |
check_insn(env, ctx, ASE_MT); |
| 4057 |
gen_helper_mfc0_mvpcontrol(arg); |
| 4058 |
rn = "MVPControl";
|
| 4059 |
break;
|
| 4060 |
case 2: |
| 4061 |
check_insn(env, ctx, ASE_MT); |
| 4062 |
gen_helper_mfc0_mvpconf0(arg); |
| 4063 |
rn = "MVPConf0";
|
| 4064 |
break;
|
| 4065 |
case 3: |
| 4066 |
check_insn(env, ctx, ASE_MT); |
| 4067 |
gen_helper_mfc0_mvpconf1(arg); |
| 4068 |
rn = "MVPConf1";
|
| 4069 |
break;
|
| 4070 |
default:
|
| 4071 |
goto die;
|
| 4072 |
} |
| 4073 |
break;
|
| 4074 |
case 1: |
| 4075 |
switch (sel) {
|
| 4076 |
case 0: |
| 4077 |
gen_helper_mfc0_random(arg); |
| 4078 |
rn = "Random";
|
| 4079 |
break;
|
| 4080 |
case 1: |
| 4081 |
check_insn(env, ctx, ASE_MT); |
| 4082 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
| 4083 |
rn = "VPEControl";
|
| 4084 |
break;
|
| 4085 |
case 2: |
| 4086 |
check_insn(env, ctx, ASE_MT); |
| 4087 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
| 4088 |
rn = "VPEConf0";
|
| 4089 |
break;
|
| 4090 |
case 3: |
| 4091 |
check_insn(env, ctx, ASE_MT); |
| 4092 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
| 4093 |
rn = "VPEConf1";
|
| 4094 |
break;
|
| 4095 |
case 4: |
| 4096 |
check_insn(env, ctx, ASE_MT); |
| 4097 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask)); |
| 4098 |
rn = "YQMask";
|
| 4099 |
break;
|
| 4100 |
case 5: |
| 4101 |
check_insn(env, ctx, ASE_MT); |
| 4102 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
| 4103 |
rn = "VPESchedule";
|
| 4104 |
break;
|
| 4105 |
case 6: |
| 4106 |
check_insn(env, ctx, ASE_MT); |
| 4107 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
| 4108 |
rn = "VPEScheFBack";
|
| 4109 |
break;
|
| 4110 |
case 7: |
| 4111 |
check_insn(env, ctx, ASE_MT); |
| 4112 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
| 4113 |
rn = "VPEOpt";
|
| 4114 |
break;
|
| 4115 |
default:
|
| 4116 |
goto die;
|
| 4117 |
} |
| 4118 |
break;
|
| 4119 |
case 2: |
| 4120 |
switch (sel) {
|
| 4121 |
case 0: |
| 4122 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
| 4123 |
rn = "EntryLo0";
|
| 4124 |
break;
|
| 4125 |
case 1: |
| 4126 |
check_insn(env, ctx, ASE_MT); |
| 4127 |
gen_helper_mfc0_tcstatus(arg); |
| 4128 |
rn = "TCStatus";
|
| 4129 |
break;
|
| 4130 |
case 2: |
| 4131 |
check_insn(env, ctx, ASE_MT); |
| 4132 |
gen_helper_mfc0_tcbind(arg); |
| 4133 |
rn = "TCBind";
|
| 4134 |
break;
|
| 4135 |
case 3: |
| 4136 |
check_insn(env, ctx, ASE_MT); |
| 4137 |
gen_helper_dmfc0_tcrestart(arg); |
| 4138 |
rn = "TCRestart";
|
| 4139 |
break;
|
| 4140 |
case 4: |
| 4141 |
check_insn(env, ctx, ASE_MT); |
| 4142 |
gen_helper_dmfc0_tchalt(arg); |
| 4143 |
rn = "TCHalt";
|
| 4144 |
break;
|
| 4145 |
case 5: |
| 4146 |
check_insn(env, ctx, ASE_MT); |
| 4147 |
gen_helper_dmfc0_tccontext(arg); |
| 4148 |
rn = "TCContext";
|
| 4149 |
break;
|
| 4150 |
case 6: |
| 4151 |
check_insn(env, ctx, ASE_MT); |
| 4152 |
gen_helper_dmfc0_tcschedule(arg); |
| 4153 |
rn = "TCSchedule";
|
| 4154 |
break;
|
| 4155 |
case 7: |
| 4156 |
check_insn(env, ctx, ASE_MT); |
| 4157 |
gen_helper_dmfc0_tcschefback(arg); |
| 4158 |
rn = "TCScheFBack";
|
| 4159 |
break;
|
| 4160 |
default:
|
| 4161 |
goto die;
|
| 4162 |
} |
| 4163 |
break;
|
| 4164 |
case 3: |
| 4165 |
switch (sel) {
|
| 4166 |
case 0: |
| 4167 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
| 4168 |
rn = "EntryLo1";
|
| 4169 |
break;
|
| 4170 |
default:
|
| 4171 |
goto die;
|
| 4172 |
} |
| 4173 |
break;
|
| 4174 |
case 4: |
| 4175 |
switch (sel) {
|
| 4176 |
case 0: |
| 4177 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
| 4178 |
rn = "Context";
|
| 4179 |
break;
|
| 4180 |
case 1: |
| 4181 |
// gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
|
| 4182 |
rn = "ContextConfig";
|
| 4183 |
// break;
|
| 4184 |
default:
|
| 4185 |
goto die;
|
| 4186 |
} |
| 4187 |
break;
|
| 4188 |
case 5: |
| 4189 |
switch (sel) {
|
| 4190 |
case 0: |
| 4191 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
| 4192 |
rn = "PageMask";
|
| 4193 |
break;
|
| 4194 |
case 1: |
| 4195 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4196 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
| 4197 |
rn = "PageGrain";
|
| 4198 |
break;
|
| 4199 |
default:
|
| 4200 |
goto die;
|
| 4201 |
} |
| 4202 |
break;
|
| 4203 |
case 6: |
| 4204 |
switch (sel) {
|
| 4205 |
case 0: |
| 4206 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
| 4207 |
rn = "Wired";
|
| 4208 |
break;
|
| 4209 |
case 1: |
| 4210 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4211 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
| 4212 |
rn = "SRSConf0";
|
| 4213 |
break;
|
| 4214 |
case 2: |
| 4215 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4216 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
| 4217 |
rn = "SRSConf1";
|
| 4218 |
break;
|
| 4219 |
case 3: |
| 4220 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4221 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
| 4222 |
rn = "SRSConf2";
|
| 4223 |
break;
|
| 4224 |
case 4: |
| 4225 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4226 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
| 4227 |
rn = "SRSConf3";
|
| 4228 |
break;
|
| 4229 |
case 5: |
| 4230 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4231 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
| 4232 |
rn = "SRSConf4";
|
| 4233 |
break;
|
| 4234 |
default:
|
| 4235 |
goto die;
|
| 4236 |
} |
| 4237 |
break;
|
| 4238 |
case 7: |
| 4239 |
switch (sel) {
|
| 4240 |
case 0: |
| 4241 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4242 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
| 4243 |
rn = "HWREna";
|
| 4244 |
break;
|
| 4245 |
default:
|
| 4246 |
goto die;
|
| 4247 |
} |
| 4248 |
break;
|
| 4249 |
case 8: |
| 4250 |
switch (sel) {
|
| 4251 |
case 0: |
| 4252 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
| 4253 |
rn = "BadVAddr";
|
| 4254 |
break;
|
| 4255 |
default:
|
| 4256 |
goto die;
|
| 4257 |
} |
| 4258 |
break;
|
| 4259 |
case 9: |
| 4260 |
switch (sel) {
|
| 4261 |
case 0: |
| 4262 |
/* Mark as an IO operation because we read the time. */
|
| 4263 |
if (use_icount)
|
| 4264 |
gen_io_start(); |
| 4265 |
gen_helper_mfc0_count(arg); |
| 4266 |
if (use_icount) {
|
| 4267 |
gen_io_end(); |
| 4268 |
ctx->bstate = BS_STOP; |
| 4269 |
} |
| 4270 |
rn = "Count";
|
| 4271 |
break;
|
| 4272 |
/* 6,7 are implementation dependent */
|
| 4273 |
default:
|
| 4274 |
goto die;
|
| 4275 |
} |
| 4276 |
break;
|
| 4277 |
case 10: |
| 4278 |
switch (sel) {
|
| 4279 |
case 0: |
| 4280 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
| 4281 |
rn = "EntryHi";
|
| 4282 |
break;
|
| 4283 |
default:
|
| 4284 |
goto die;
|
| 4285 |
} |
| 4286 |
break;
|
| 4287 |
case 11: |
| 4288 |
switch (sel) {
|
| 4289 |
case 0: |
| 4290 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
| 4291 |
rn = "Compare";
|
| 4292 |
break;
|
| 4293 |
/* 6,7 are implementation dependent */
|
| 4294 |
default:
|
| 4295 |
goto die;
|
| 4296 |
} |
| 4297 |
break;
|
| 4298 |
case 12: |
| 4299 |
switch (sel) {
|
| 4300 |
case 0: |
| 4301 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
| 4302 |
rn = "Status";
|
| 4303 |
break;
|
| 4304 |
case 1: |
| 4305 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4306 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
| 4307 |
rn = "IntCtl";
|
| 4308 |
break;
|
| 4309 |
case 2: |
| 4310 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4311 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
| 4312 |
rn = "SRSCtl";
|
| 4313 |
break;
|
| 4314 |
case 3: |
| 4315 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4316 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
| 4317 |
rn = "SRSMap";
|
| 4318 |
break;
|
| 4319 |
default:
|
| 4320 |
goto die;
|
| 4321 |
} |
| 4322 |
break;
|
| 4323 |
case 13: |
| 4324 |
switch (sel) {
|
| 4325 |
case 0: |
| 4326 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
| 4327 |
rn = "Cause";
|
| 4328 |
break;
|
| 4329 |
default:
|
| 4330 |
goto die;
|
| 4331 |
} |
| 4332 |
break;
|
| 4333 |
case 14: |
| 4334 |
switch (sel) {
|
| 4335 |
case 0: |
| 4336 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
| 4337 |
rn = "EPC";
|
| 4338 |
break;
|
| 4339 |
default:
|
| 4340 |
goto die;
|
| 4341 |
} |
| 4342 |
break;
|
| 4343 |
case 15: |
| 4344 |
switch (sel) {
|
| 4345 |
case 0: |
| 4346 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
| 4347 |
rn = "PRid";
|
| 4348 |
break;
|
| 4349 |
case 1: |
| 4350 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4351 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
| 4352 |
rn = "EBase";
|
| 4353 |
break;
|
| 4354 |
default:
|
| 4355 |
goto die;
|
| 4356 |
} |
| 4357 |
break;
|
| 4358 |
case 16: |
| 4359 |
switch (sel) {
|
| 4360 |
case 0: |
| 4361 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
| 4362 |
rn = "Config";
|
| 4363 |
break;
|
| 4364 |
case 1: |
| 4365 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
| 4366 |
rn = "Config1";
|
| 4367 |
break;
|
| 4368 |
case 2: |
| 4369 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
| 4370 |
rn = "Config2";
|
| 4371 |
break;
|
| 4372 |
case 3: |
| 4373 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
| 4374 |
rn = "Config3";
|
| 4375 |
break;
|
| 4376 |
/* 6,7 are implementation dependent */
|
| 4377 |
case 6: |
| 4378 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
| 4379 |
rn = "Config6";
|
| 4380 |
break;
|
| 4381 |
case 7: |
| 4382 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
| 4383 |
rn = "Config7";
|
| 4384 |
break;
|
| 4385 |
default:
|
| 4386 |
goto die;
|
| 4387 |
} |
| 4388 |
break;
|
| 4389 |
case 17: |
| 4390 |
switch (sel) {
|
| 4391 |
case 0: |
| 4392 |
gen_helper_dmfc0_lladdr(arg); |
| 4393 |
rn = "LLAddr";
|
| 4394 |
break;
|
| 4395 |
default:
|
| 4396 |
goto die;
|
| 4397 |
} |
| 4398 |
break;
|
| 4399 |
case 18: |
| 4400 |
switch (sel) {
|
| 4401 |
case 0 ... 7: |
| 4402 |
gen_helper_1i(dmfc0_watchlo, arg, sel); |
| 4403 |
rn = "WatchLo";
|
| 4404 |
break;
|
| 4405 |
default:
|
| 4406 |
goto die;
|
| 4407 |
} |
| 4408 |
break;
|
| 4409 |
case 19: |
| 4410 |
switch (sel) {
|
| 4411 |
case 0 ... 7: |
| 4412 |
gen_helper_1i(mfc0_watchhi, arg, sel); |
| 4413 |
rn = "WatchHi";
|
| 4414 |
break;
|
| 4415 |
default:
|
| 4416 |
goto die;
|
| 4417 |
} |
| 4418 |
break;
|
| 4419 |
case 20: |
| 4420 |
switch (sel) {
|
| 4421 |
case 0: |
| 4422 |
check_insn(env, ctx, ISA_MIPS3); |
| 4423 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
| 4424 |
rn = "XContext";
|
| 4425 |
break;
|
| 4426 |
default:
|
| 4427 |
goto die;
|
| 4428 |
} |
| 4429 |
break;
|
| 4430 |
case 21: |
| 4431 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 4432 |
switch (sel) {
|
| 4433 |
case 0: |
| 4434 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
| 4435 |
rn = "Framemask";
|
| 4436 |
break;
|
| 4437 |
default:
|
| 4438 |
goto die;
|
| 4439 |
} |
| 4440 |
break;
|
| 4441 |
case 22: |
| 4442 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| 4443 |
rn = "'Diagnostic"; /* implementation dependent */ |
| 4444 |
break;
|
| 4445 |
case 23: |
| 4446 |
switch (sel) {
|
| 4447 |
case 0: |
| 4448 |
gen_helper_mfc0_debug(arg); /* EJTAG support */
|
| 4449 |
rn = "Debug";
|
| 4450 |
break;
|
| 4451 |
case 1: |
| 4452 |
// gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */
|
| 4453 |
rn = "TraceControl";
|
| 4454 |
// break;
|
| 4455 |
case 2: |
| 4456 |
// gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */
|
| 4457 |
rn = "TraceControl2";
|
| 4458 |
// break;
|
| 4459 |
case 3: |
| 4460 |
// gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */
|
| 4461 |
rn = "UserTraceData";
|
| 4462 |
// break;
|
| 4463 |
case 4: |
| 4464 |
// gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */
|
| 4465 |
rn = "TraceBPC";
|
| 4466 |
// break;
|
| 4467 |
default:
|
| 4468 |
goto die;
|
| 4469 |
} |
| 4470 |
break;
|
| 4471 |
case 24: |
| 4472 |
switch (sel) {
|
| 4473 |
case 0: |
| 4474 |
/* EJTAG support */
|
| 4475 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
| 4476 |
rn = "DEPC";
|
| 4477 |
break;
|
| 4478 |
default:
|
| 4479 |
goto die;
|
| 4480 |
} |
| 4481 |
break;
|
| 4482 |
case 25: |
| 4483 |
switch (sel) {
|
| 4484 |
case 0: |
| 4485 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
| 4486 |
rn = "Performance0";
|
| 4487 |
break;
|
| 4488 |
case 1: |
| 4489 |
// gen_helper_dmfc0_performance1(arg);
|
| 4490 |
rn = "Performance1";
|
| 4491 |
// break;
|
| 4492 |
case 2: |
| 4493 |
// gen_helper_dmfc0_performance2(arg);
|
| 4494 |
rn = "Performance2";
|
| 4495 |
// break;
|
| 4496 |
case 3: |
| 4497 |
// gen_helper_dmfc0_performance3(arg);
|
| 4498 |
rn = "Performance3";
|
| 4499 |
// break;
|
| 4500 |
case 4: |
| 4501 |
// gen_helper_dmfc0_performance4(arg);
|
| 4502 |
rn = "Performance4";
|
| 4503 |
// break;
|
| 4504 |
case 5: |
| 4505 |
// gen_helper_dmfc0_performance5(arg);
|
| 4506 |
rn = "Performance5";
|
| 4507 |
// break;
|
| 4508 |
case 6: |
| 4509 |
// gen_helper_dmfc0_performance6(arg);
|
| 4510 |
rn = "Performance6";
|
| 4511 |
// break;
|
| 4512 |
case 7: |
| 4513 |
// gen_helper_dmfc0_performance7(arg);
|
| 4514 |
rn = "Performance7";
|
| 4515 |
// break;
|
| 4516 |
default:
|
| 4517 |
goto die;
|
| 4518 |
} |
| 4519 |
break;
|
| 4520 |
case 26: |
| 4521 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| 4522 |
rn = "ECC";
|
| 4523 |
break;
|
| 4524 |
case 27: |
| 4525 |
switch (sel) {
|
| 4526 |
/* ignored */
|
| 4527 |
case 0 ... 3: |
| 4528 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
| 4529 |
rn = "CacheErr";
|
| 4530 |
break;
|
| 4531 |
default:
|
| 4532 |
goto die;
|
| 4533 |
} |
| 4534 |
break;
|
| 4535 |
case 28: |
| 4536 |
switch (sel) {
|
| 4537 |
case 0: |
| 4538 |
case 2: |
| 4539 |
case 4: |
| 4540 |
case 6: |
| 4541 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
| 4542 |
rn = "TagLo";
|
| 4543 |
break;
|
| 4544 |
case 1: |
| 4545 |
case 3: |
| 4546 |
case 5: |
| 4547 |
case 7: |
| 4548 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
| 4549 |
rn = "DataLo";
|
| 4550 |
break;
|
| 4551 |
default:
|
| 4552 |
goto die;
|
| 4553 |
} |
| 4554 |
break;
|
| 4555 |
case 29: |
| 4556 |
switch (sel) {
|
| 4557 |
case 0: |
| 4558 |
case 2: |
| 4559 |
case 4: |
| 4560 |
case 6: |
| 4561 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
| 4562 |
rn = "TagHi";
|
| 4563 |
break;
|
| 4564 |
case 1: |
| 4565 |
case 3: |
| 4566 |
case 5: |
| 4567 |
case 7: |
| 4568 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
| 4569 |
rn = "DataHi";
|
| 4570 |
break;
|
| 4571 |
default:
|
| 4572 |
goto die;
|
| 4573 |
} |
| 4574 |
break;
|
| 4575 |
case 30: |
| 4576 |
switch (sel) {
|
| 4577 |
case 0: |
| 4578 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
| 4579 |
rn = "ErrorEPC";
|
| 4580 |
break;
|
| 4581 |
default:
|
| 4582 |
goto die;
|
| 4583 |
} |
| 4584 |
break;
|
| 4585 |
case 31: |
| 4586 |
switch (sel) {
|
| 4587 |
case 0: |
| 4588 |
/* EJTAG support */
|
| 4589 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
| 4590 |
rn = "DESAVE";
|
| 4591 |
break;
|
| 4592 |
default:
|
| 4593 |
goto die;
|
| 4594 |
} |
| 4595 |
break;
|
| 4596 |
default:
|
| 4597 |
goto die;
|
| 4598 |
} |
| 4599 |
LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 4600 |
return;
|
| 4601 |
|
| 4602 |
die:
|
| 4603 |
LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 4604 |
generate_exception(ctx, EXCP_RI); |
| 4605 |
} |
| 4606 |
|
| 4607 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
| 4608 |
{
|
| 4609 |
const char *rn = "invalid"; |
| 4610 |
|
| 4611 |
if (sel != 0) |
| 4612 |
check_insn(env, ctx, ISA_MIPS64); |
| 4613 |
|
| 4614 |
if (use_icount)
|
| 4615 |
gen_io_start(); |
| 4616 |
|
| 4617 |
switch (reg) {
|
| 4618 |
case 0: |
| 4619 |
switch (sel) {
|
| 4620 |
case 0: |
| 4621 |
gen_helper_mtc0_index(arg); |
| 4622 |
rn = "Index";
|
| 4623 |
break;
|
| 4624 |
case 1: |
| 4625 |
check_insn(env, ctx, ASE_MT); |
| 4626 |
gen_helper_mtc0_mvpcontrol(arg); |
| 4627 |
rn = "MVPControl";
|
| 4628 |
break;
|
| 4629 |
case 2: |
| 4630 |
check_insn(env, ctx, ASE_MT); |
| 4631 |
/* ignored */
|
| 4632 |
rn = "MVPConf0";
|
| 4633 |
break;
|
| 4634 |
case 3: |
| 4635 |
check_insn(env, ctx, ASE_MT); |
| 4636 |
/* ignored */
|
| 4637 |
rn = "MVPConf1";
|
| 4638 |
break;
|
| 4639 |
default:
|
| 4640 |
goto die;
|
| 4641 |
} |
| 4642 |
break;
|
| 4643 |
case 1: |
| 4644 |
switch (sel) {
|
| 4645 |
case 0: |
| 4646 |
/* ignored */
|
| 4647 |
rn = "Random";
|
| 4648 |
break;
|
| 4649 |
case 1: |
| 4650 |
check_insn(env, ctx, ASE_MT); |
| 4651 |
gen_helper_mtc0_vpecontrol(arg); |
| 4652 |
rn = "VPEControl";
|
| 4653 |
break;
|
| 4654 |
case 2: |
| 4655 |
check_insn(env, ctx, ASE_MT); |
| 4656 |
gen_helper_mtc0_vpeconf0(arg); |
| 4657 |
rn = "VPEConf0";
|
| 4658 |
break;
|
| 4659 |
case 3: |
| 4660 |
check_insn(env, ctx, ASE_MT); |
| 4661 |
gen_helper_mtc0_vpeconf1(arg); |
| 4662 |
rn = "VPEConf1";
|
| 4663 |
break;
|
| 4664 |
case 4: |
| 4665 |
check_insn(env, ctx, ASE_MT); |
| 4666 |
gen_helper_mtc0_yqmask(arg); |
| 4667 |
rn = "YQMask";
|
| 4668 |
break;
|
| 4669 |
case 5: |
| 4670 |
check_insn(env, ctx, ASE_MT); |
| 4671 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
| 4672 |
rn = "VPESchedule";
|
| 4673 |
break;
|
| 4674 |
case 6: |
| 4675 |
check_insn(env, ctx, ASE_MT); |
| 4676 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
| 4677 |
rn = "VPEScheFBack";
|
| 4678 |
break;
|
| 4679 |
case 7: |
| 4680 |
check_insn(env, ctx, ASE_MT); |
| 4681 |
gen_helper_mtc0_vpeopt(arg); |
| 4682 |
rn = "VPEOpt";
|
| 4683 |
break;
|
| 4684 |
default:
|
| 4685 |
goto die;
|
| 4686 |
} |
| 4687 |
break;
|
| 4688 |
case 2: |
| 4689 |
switch (sel) {
|
| 4690 |
case 0: |
| 4691 |
gen_helper_mtc0_entrylo0(arg); |
| 4692 |
rn = "EntryLo0";
|
| 4693 |
break;
|
| 4694 |
case 1: |
| 4695 |
check_insn(env, ctx, ASE_MT); |
| 4696 |
gen_helper_mtc0_tcstatus(arg); |
| 4697 |
rn = "TCStatus";
|
| 4698 |
break;
|
| 4699 |
case 2: |
| 4700 |
check_insn(env, ctx, ASE_MT); |
| 4701 |
gen_helper_mtc0_tcbind(arg); |
| 4702 |
rn = "TCBind";
|
| 4703 |
break;
|
| 4704 |
case 3: |
| 4705 |
check_insn(env, ctx, ASE_MT); |
| 4706 |
gen_helper_mtc0_tcrestart(arg); |
| 4707 |
rn = "TCRestart";
|
| 4708 |
break;
|
| 4709 |
case 4: |
| 4710 |
check_insn(env, ctx, ASE_MT); |
| 4711 |
gen_helper_mtc0_tchalt(arg); |
| 4712 |
rn = "TCHalt";
|
| 4713 |
break;
|
| 4714 |
case 5: |
| 4715 |
check_insn(env, ctx, ASE_MT); |
| 4716 |
gen_helper_mtc0_tccontext(arg); |
| 4717 |
rn = "TCContext";
|
| 4718 |
break;
|
| 4719 |
case 6: |
| 4720 |
check_insn(env, ctx, ASE_MT); |
| 4721 |
gen_helper_mtc0_tcschedule(arg); |
| 4722 |
rn = "TCSchedule";
|
| 4723 |
break;
|
| 4724 |
case 7: |
| 4725 |
check_insn(env, ctx, ASE_MT); |
| 4726 |
gen_helper_mtc0_tcschefback(arg); |
| 4727 |
rn = "TCScheFBack";
|
| 4728 |
break;
|
| 4729 |
default:
|
| 4730 |
goto die;
|
| 4731 |
} |
| 4732 |
break;
|
| 4733 |
case 3: |
| 4734 |
switch (sel) {
|
| 4735 |
case 0: |
| 4736 |
gen_helper_mtc0_entrylo1(arg); |
| 4737 |
rn = "EntryLo1";
|
| 4738 |
break;
|
| 4739 |
default:
|
| 4740 |
goto die;
|
| 4741 |
} |
| 4742 |
break;
|
| 4743 |
case 4: |
| 4744 |
switch (sel) {
|
| 4745 |
case 0: |
| 4746 |
gen_helper_mtc0_context(arg); |
| 4747 |
rn = "Context";
|
| 4748 |
break;
|
| 4749 |
case 1: |
| 4750 |
// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
|
| 4751 |
rn = "ContextConfig";
|
| 4752 |
// break;
|
| 4753 |
default:
|
| 4754 |
goto die;
|
| 4755 |
} |
| 4756 |
break;
|
| 4757 |
case 5: |
| 4758 |
switch (sel) {
|
| 4759 |
case 0: |
| 4760 |
gen_helper_mtc0_pagemask(arg); |
| 4761 |
rn = "PageMask";
|
| 4762 |
break;
|
| 4763 |
case 1: |
| 4764 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4765 |
gen_helper_mtc0_pagegrain(arg); |
| 4766 |
rn = "PageGrain";
|
| 4767 |
break;
|
| 4768 |
default:
|
| 4769 |
goto die;
|
| 4770 |
} |
| 4771 |
break;
|
| 4772 |
case 6: |
| 4773 |
switch (sel) {
|
| 4774 |
case 0: |
| 4775 |
gen_helper_mtc0_wired(arg); |
| 4776 |
rn = "Wired";
|
| 4777 |
break;
|
| 4778 |
case 1: |
| 4779 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4780 |
gen_helper_mtc0_srsconf0(arg); |
| 4781 |
rn = "SRSConf0";
|
| 4782 |
break;
|
| 4783 |
case 2: |
| 4784 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4785 |
gen_helper_mtc0_srsconf1(arg); |
| 4786 |
rn = "SRSConf1";
|
| 4787 |
break;
|
| 4788 |
case 3: |
| 4789 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4790 |
gen_helper_mtc0_srsconf2(arg); |
| 4791 |
rn = "SRSConf2";
|
| 4792 |
break;
|
| 4793 |
case 4: |
| 4794 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4795 |
gen_helper_mtc0_srsconf3(arg); |
| 4796 |
rn = "SRSConf3";
|
| 4797 |
break;
|
| 4798 |
case 5: |
| 4799 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4800 |
gen_helper_mtc0_srsconf4(arg); |
| 4801 |
rn = "SRSConf4";
|
| 4802 |
break;
|
| 4803 |
default:
|
| 4804 |
goto die;
|
| 4805 |
} |
| 4806 |
break;
|
| 4807 |
case 7: |
| 4808 |
switch (sel) {
|
| 4809 |
case 0: |
| 4810 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4811 |
gen_helper_mtc0_hwrena(arg); |
| 4812 |
rn = "HWREna";
|
| 4813 |
break;
|
| 4814 |
default:
|
| 4815 |
goto die;
|
| 4816 |
} |
| 4817 |
break;
|
| 4818 |
case 8: |
| 4819 |
/* ignored */
|
| 4820 |
rn = "BadVAddr";
|
| 4821 |
break;
|
| 4822 |
case 9: |
| 4823 |
switch (sel) {
|
| 4824 |
case 0: |
| 4825 |
gen_helper_mtc0_count(arg); |
| 4826 |
rn = "Count";
|
| 4827 |
break;
|
| 4828 |
/* 6,7 are implementation dependent */
|
| 4829 |
default:
|
| 4830 |
goto die;
|
| 4831 |
} |
| 4832 |
/* Stop translation as we may have switched the execution mode */
|
| 4833 |
ctx->bstate = BS_STOP; |
| 4834 |
break;
|
| 4835 |
case 10: |
| 4836 |
switch (sel) {
|
| 4837 |
case 0: |
| 4838 |
gen_helper_mtc0_entryhi(arg); |
| 4839 |
rn = "EntryHi";
|
| 4840 |
break;
|
| 4841 |
default:
|
| 4842 |
goto die;
|
| 4843 |
} |
| 4844 |
break;
|
| 4845 |
case 11: |
| 4846 |
switch (sel) {
|
| 4847 |
case 0: |
| 4848 |
gen_helper_mtc0_compare(arg); |
| 4849 |
rn = "Compare";
|
| 4850 |
break;
|
| 4851 |
/* 6,7 are implementation dependent */
|
| 4852 |
default:
|
| 4853 |
goto die;
|
| 4854 |
} |
| 4855 |
/* Stop translation as we may have switched the execution mode */
|
| 4856 |
ctx->bstate = BS_STOP; |
| 4857 |
break;
|
| 4858 |
case 12: |
| 4859 |
switch (sel) {
|
| 4860 |
case 0: |
| 4861 |
save_cpu_state(ctx, 1);
|
| 4862 |
gen_helper_mtc0_status(arg); |
| 4863 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 4864 |
gen_save_pc(ctx->pc + 4);
|
| 4865 |
ctx->bstate = BS_EXCP; |
| 4866 |
rn = "Status";
|
| 4867 |
break;
|
| 4868 |
case 1: |
| 4869 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4870 |
gen_helper_mtc0_intctl(arg); |
| 4871 |
/* Stop translation as we may have switched the execution mode */
|
| 4872 |
ctx->bstate = BS_STOP; |
| 4873 |
rn = "IntCtl";
|
| 4874 |
break;
|
| 4875 |
case 2: |
| 4876 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4877 |
gen_helper_mtc0_srsctl(arg); |
| 4878 |
/* Stop translation as we may have switched the execution mode */
|
| 4879 |
ctx->bstate = BS_STOP; |
| 4880 |
rn = "SRSCtl";
|
| 4881 |
break;
|
| 4882 |
case 3: |
| 4883 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4884 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
| 4885 |
/* Stop translation as we may have switched the execution mode */
|
| 4886 |
ctx->bstate = BS_STOP; |
| 4887 |
rn = "SRSMap";
|
| 4888 |
break;
|
| 4889 |
default:
|
| 4890 |
goto die;
|
| 4891 |
} |
| 4892 |
break;
|
| 4893 |
case 13: |
| 4894 |
switch (sel) {
|
| 4895 |
case 0: |
| 4896 |
save_cpu_state(ctx, 1);
|
| 4897 |
gen_helper_mtc0_cause(arg); |
| 4898 |
rn = "Cause";
|
| 4899 |
break;
|
| 4900 |
default:
|
| 4901 |
goto die;
|
| 4902 |
} |
| 4903 |
break;
|
| 4904 |
case 14: |
| 4905 |
switch (sel) {
|
| 4906 |
case 0: |
| 4907 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
| 4908 |
rn = "EPC";
|
| 4909 |
break;
|
| 4910 |
default:
|
| 4911 |
goto die;
|
| 4912 |
} |
| 4913 |
break;
|
| 4914 |
case 15: |
| 4915 |
switch (sel) {
|
| 4916 |
case 0: |
| 4917 |
/* ignored */
|
| 4918 |
rn = "PRid";
|
| 4919 |
break;
|
| 4920 |
case 1: |
| 4921 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4922 |
gen_helper_mtc0_ebase(arg); |
| 4923 |
rn = "EBase";
|
| 4924 |
break;
|
| 4925 |
default:
|
| 4926 |
goto die;
|
| 4927 |
} |
| 4928 |
break;
|
| 4929 |
case 16: |
| 4930 |
switch (sel) {
|
| 4931 |
case 0: |
| 4932 |
gen_helper_mtc0_config0(arg); |
| 4933 |
rn = "Config";
|
| 4934 |
/* Stop translation as we may have switched the execution mode */
|
| 4935 |
ctx->bstate = BS_STOP; |
| 4936 |
break;
|
| 4937 |
case 1: |
| 4938 |
/* ignored, read only */
|
| 4939 |
rn = "Config1";
|
| 4940 |
break;
|
| 4941 |
case 2: |
| 4942 |
gen_helper_mtc0_config2(arg); |
| 4943 |
rn = "Config2";
|
| 4944 |
/* Stop translation as we may have switched the execution mode */
|
| 4945 |
ctx->bstate = BS_STOP; |
| 4946 |
break;
|
| 4947 |
case 3: |
| 4948 |
/* ignored */
|
| 4949 |
rn = "Config3";
|
| 4950 |
break;
|
| 4951 |
/* 6,7 are implementation dependent */
|
| 4952 |
default:
|
| 4953 |
rn = "Invalid config selector";
|
| 4954 |
goto die;
|
| 4955 |
} |
| 4956 |
break;
|
| 4957 |
case 17: |
| 4958 |
switch (sel) {
|
| 4959 |
case 0: |
| 4960 |
gen_helper_mtc0_lladdr(arg); |
| 4961 |
rn = "LLAddr";
|
| 4962 |
break;
|
| 4963 |
default:
|
| 4964 |
goto die;
|
| 4965 |
} |
| 4966 |
break;
|
| 4967 |
case 18: |
| 4968 |
switch (sel) {
|
| 4969 |
case 0 ... 7: |
| 4970 |
gen_helper_1i(mtc0_watchlo, arg, sel); |
| 4971 |
rn = "WatchLo";
|
| 4972 |
break;
|
| 4973 |
default:
|
| 4974 |
goto die;
|
| 4975 |
} |
| 4976 |
break;
|
| 4977 |
case 19: |
| 4978 |
switch (sel) {
|
| 4979 |
case 0 ... 7: |
| 4980 |
gen_helper_1i(mtc0_watchhi, arg, sel); |
| 4981 |
rn = "WatchHi";
|
| 4982 |
break;
|
| 4983 |
default:
|
| 4984 |
goto die;
|
| 4985 |
} |
| 4986 |
break;
|
| 4987 |
case 20: |
| 4988 |
switch (sel) {
|
| 4989 |
case 0: |
| 4990 |
check_insn(env, ctx, ISA_MIPS3); |
| 4991 |
gen_helper_mtc0_xcontext(arg); |
| 4992 |
rn = "XContext";
|
| 4993 |
break;
|
| 4994 |
default:
|
| 4995 |
goto die;
|
| 4996 |
} |
| 4997 |
break;
|
| 4998 |
case 21: |
| 4999 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 5000 |
switch (sel) {
|
| 5001 |
case 0: |
| 5002 |
gen_helper_mtc0_framemask(arg); |
| 5003 |
rn = "Framemask";
|
| 5004 |
break;
|
| 5005 |
default:
|
| 5006 |
goto die;
|
| 5007 |
} |
| 5008 |
break;
|
| 5009 |
case 22: |
| 5010 |
/* ignored */
|
| 5011 |
rn = "Diagnostic"; /* implementation dependent */ |
| 5012 |
break;
|
| 5013 |
case 23: |
| 5014 |
switch (sel) {
|
| 5015 |
case 0: |
| 5016 |
gen_helper_mtc0_debug(arg); /* EJTAG support */
|
| 5017 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 5018 |
gen_save_pc(ctx->pc + 4);
|
| 5019 |
ctx->bstate = BS_EXCP; |
| 5020 |
rn = "Debug";
|
| 5021 |
break;
|
| 5022 |
case 1: |
| 5023 |
// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
|
| 5024 |
/* Stop translation as we may have switched the execution mode */
|
| 5025 |
ctx->bstate = BS_STOP; |
| 5026 |
rn = "TraceControl";
|
| 5027 |
// break;
|
| 5028 |
case 2: |
| 5029 |
// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
|
| 5030 |
/* Stop translation as we may have switched the execution mode */
|
| 5031 |
ctx->bstate = BS_STOP; |
| 5032 |
rn = "TraceControl2";
|
| 5033 |
// break;
|
| 5034 |
case 3: |
| 5035 |
// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
|
| 5036 |
/* Stop translation as we may have switched the execution mode */
|
| 5037 |
ctx->bstate = BS_STOP; |
| 5038 |
rn = "UserTraceData";
|
| 5039 |
// break;
|
| 5040 |
case 4: |
| 5041 |
// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
|
| 5042 |
/* Stop translation as we may have switched the execution mode */
|
| 5043 |
ctx->bstate = BS_STOP; |
| 5044 |
rn = "TraceBPC";
|
| 5045 |
// break;
|
| 5046 |
default:
|
| 5047 |
goto die;
|
| 5048 |
} |
| 5049 |
break;
|
| 5050 |
case 24: |
| 5051 |
switch (sel) {
|
| 5052 |
case 0: |
| 5053 |
/* EJTAG support */
|
| 5054 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
| 5055 |
rn = "DEPC";
|
| 5056 |
break;
|
| 5057 |
default:
|
| 5058 |
goto die;
|
| 5059 |
} |
| 5060 |
break;
|
| 5061 |
case 25: |
| 5062 |
switch (sel) {
|
| 5063 |
case 0: |
| 5064 |
gen_helper_mtc0_performance0(arg); |
| 5065 |
rn = "Performance0";
|
| 5066 |
break;
|
| 5067 |
case 1: |
| 5068 |
// gen_helper_mtc0_performance1(arg);
|
| 5069 |
rn = "Performance1";
|
| 5070 |
// break;
|
| 5071 |
case 2: |
| 5072 |
// gen_helper_mtc0_performance2(arg);
|
| 5073 |
rn = "Performance2";
|
| 5074 |
// break;
|
| 5075 |
case 3: |
| 5076 |
// gen_helper_mtc0_performance3(arg);
|
| 5077 |
rn = "Performance3";
|
| 5078 |
// break;
|
| 5079 |
case 4: |
| 5080 |
// gen_helper_mtc0_performance4(arg);
|
| 5081 |
rn = "Performance4";
|
| 5082 |
// break;
|
| 5083 |
case 5: |
| 5084 |
// gen_helper_mtc0_performance5(arg);
|
| 5085 |
rn = "Performance5";
|
| 5086 |
// break;
|
| 5087 |
case 6: |
| 5088 |
// gen_helper_mtc0_performance6(arg);
|
| 5089 |
rn = "Performance6";
|
| 5090 |
// break;
|
| 5091 |
case 7: |
| 5092 |
// gen_helper_mtc0_performance7(arg);
|
| 5093 |
rn = "Performance7";
|
| 5094 |
// break;
|
| 5095 |
default:
|
| 5096 |
goto die;
|
| 5097 |
} |
| 5098 |
break;
|
| 5099 |
case 26: |
| 5100 |
/* ignored */
|
| 5101 |
rn = "ECC";
|
| 5102 |
break;
|
| 5103 |
case 27: |
| 5104 |
switch (sel) {
|
| 5105 |
case 0 ... 3: |
| 5106 |
/* ignored */
|
| 5107 |
rn = "CacheErr";
|
| 5108 |
break;
|
| 5109 |
default:
|
| 5110 |
goto die;
|
| 5111 |
} |
| 5112 |
break;
|
| 5113 |
case 28: |
| 5114 |
switch (sel) {
|
| 5115 |
case 0: |
| 5116 |
case 2: |
| 5117 |
case 4: |
| 5118 |
case 6: |
| 5119 |
gen_helper_mtc0_taglo(arg); |
| 5120 |
rn = "TagLo";
|
| 5121 |
break;
|
| 5122 |
case 1: |
| 5123 |
case 3: |
| 5124 |
case 5: |
| 5125 |
case 7: |
| 5126 |
gen_helper_mtc0_datalo(arg); |
| 5127 |
rn = "DataLo";
|
| 5128 |
break;
|
| 5129 |
default:
|
| 5130 |
goto die;
|
| 5131 |
} |
| 5132 |
break;
|
| 5133 |
case 29: |
| 5134 |
switch (sel) {
|
| 5135 |
case 0: |
| 5136 |
case 2: |
| 5137 |
case 4: |
| 5138 |
case 6: |
| 5139 |
gen_helper_mtc0_taghi(arg); |
| 5140 |
rn = "TagHi";
|
| 5141 |
break;
|
| 5142 |
case 1: |
| 5143 |
case 3: |
| 5144 |
case 5: |
| 5145 |
case 7: |
| 5146 |
gen_helper_mtc0_datahi(arg); |
| 5147 |
rn = "DataHi";
|
| 5148 |
break;
|
| 5149 |
default:
|
| 5150 |
rn = "invalid sel";
|
| 5151 |
goto die;
|
| 5152 |
} |
| 5153 |
break;
|
| 5154 |
case 30: |
| 5155 |
switch (sel) {
|
| 5156 |
case 0: |
| 5157 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
| 5158 |
rn = "ErrorEPC";
|
| 5159 |
break;
|
| 5160 |
default:
|
| 5161 |
goto die;
|
| 5162 |
} |
| 5163 |
break;
|
| 5164 |
case 31: |
| 5165 |
switch (sel) {
|
| 5166 |
case 0: |
| 5167 |
/* EJTAG support */
|
| 5168 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
| 5169 |
rn = "DESAVE";
|
| 5170 |
break;
|
| 5171 |
default:
|
| 5172 |
goto die;
|
| 5173 |
} |
| 5174 |
/* Stop translation as we may have switched the execution mode */
|
| 5175 |
ctx->bstate = BS_STOP; |
| 5176 |
break;
|
| 5177 |
default:
|
| 5178 |
goto die;
|
| 5179 |
} |
| 5180 |
LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 5181 |
/* For simplicity assume that all writes can cause interrupts. */
|
| 5182 |
if (use_icount) {
|
| 5183 |
gen_io_end(); |
| 5184 |
ctx->bstate = BS_STOP; |
| 5185 |
} |
| 5186 |
return;
|
| 5187 |
|
| 5188 |
die:
|
| 5189 |
LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
| 5190 |
generate_exception(ctx, EXCP_RI); |
| 5191 |
} |
| 5192 |
#endif /* TARGET_MIPS64 */ |
| 5193 |
|
| 5194 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd, |
| 5195 |
int u, int sel, int h) |
| 5196 |
{
|
| 5197 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 5198 |
TCGv t0 = tcg_temp_local_new(); |
| 5199 |
|
| 5200 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
| 5201 |
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
|
| 5202 |
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
|
| 5203 |
tcg_gen_movi_tl(t0, -1);
|
| 5204 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
| 5205 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
| 5206 |
tcg_gen_movi_tl(t0, -1);
|
| 5207 |
else if (u == 0) { |
| 5208 |
switch (rt) {
|
| 5209 |
case 2: |
| 5210 |
switch (sel) {
|
| 5211 |
case 1: |
| 5212 |
gen_helper_mftc0_tcstatus(t0); |
| 5213 |
break;
|
| 5214 |
case 2: |
| 5215 |
gen_helper_mftc0_tcbind(t0); |
| 5216 |
break;
|
| 5217 |
case 3: |
| 5218 |
gen_helper_mftc0_tcrestart(t0); |
| 5219 |
break;
|
| 5220 |
case 4: |
| 5221 |
gen_helper_mftc0_tchalt(t0); |
| 5222 |
break;
|
| 5223 |
case 5: |
| 5224 |
gen_helper_mftc0_tccontext(t0); |
| 5225 |
break;
|
| 5226 |
case 6: |
| 5227 |
gen_helper_mftc0_tcschedule(t0); |
| 5228 |
break;
|
| 5229 |
case 7: |
| 5230 |
gen_helper_mftc0_tcschefback(t0); |
| 5231 |
break;
|
| 5232 |
default:
|
| 5233 |
gen_mfc0(env, ctx, t0, rt, sel); |
| 5234 |
break;
|
| 5235 |
} |
| 5236 |
break;
|
| 5237 |
case 10: |
| 5238 |
switch (sel) {
|
| 5239 |
case 0: |
| 5240 |
gen_helper_mftc0_entryhi(t0); |
| 5241 |
break;
|
| 5242 |
default:
|
| 5243 |
gen_mfc0(env, ctx, t0, rt, sel); |
| 5244 |
break;
|
| 5245 |
} |
| 5246 |
case 12: |
| 5247 |
switch (sel) {
|
| 5248 |
case 0: |
| 5249 |
gen_helper_mftc0_status(t0); |
| 5250 |
break;
|
| 5251 |
default:
|
| 5252 |
gen_mfc0(env, ctx, t0, rt, sel); |
| 5253 |
break;
|
| 5254 |
} |
| 5255 |
case 23: |
| 5256 |
switch (sel) {
|
| 5257 |
case 0: |
| 5258 |
gen_helper_mftc0_debug(t0); |
| 5259 |
break;
|
| 5260 |
default:
|
| 5261 |
gen_mfc0(env, ctx, t0, rt, sel); |
| 5262 |
break;
|
| 5263 |
} |
| 5264 |
break;
|
| 5265 |
default:
|
| 5266 |
gen_mfc0(env, ctx, t0, rt, sel); |
| 5267 |
} |
| 5268 |
} else switch (sel) { |
| 5269 |
/* GPR registers. */
|
| 5270 |
case 0: |
| 5271 |
gen_helper_1i(mftgpr, t0, rt); |
| 5272 |
break;
|
| 5273 |
/* Auxiliary CPU registers */
|
| 5274 |
case 1: |
| 5275 |
switch (rt) {
|
| 5276 |
case 0: |
| 5277 |
gen_helper_1i(mftlo, t0, 0);
|
| 5278 |
break;
|
| 5279 |
case 1: |
| 5280 |
gen_helper_1i(mfthi, t0, 0);
|
| 5281 |
break;
|
| 5282 |
case 2: |
| 5283 |
gen_helper_1i(mftacx, t0, 0);
|
| 5284 |
break;
|
| 5285 |
case 4: |
| 5286 |
gen_helper_1i(mftlo, t0, 1);
|
| 5287 |
break;
|
| 5288 |
case 5: |
| 5289 |
gen_helper_1i(mfthi, t0, 1);
|
| 5290 |
break;
|
| 5291 |
case 6: |
| 5292 |
gen_helper_1i(mftacx, t0, 1);
|
| 5293 |
break;
|
| 5294 |
case 8: |
| 5295 |
gen_helper_1i(mftlo, t0, 2);
|
| 5296 |
break;
|
| 5297 |
case 9: |
| 5298 |
gen_helper_1i(mfthi, t0, 2);
|
| 5299 |
break;
|
| 5300 |
case 10: |
| 5301 |
gen_helper_1i(mftacx, t0, 2);
|
| 5302 |
break;
|
| 5303 |
case 12: |
| 5304 |
gen_helper_1i(mftlo, t0, 3);
|
| 5305 |
break;
|
| 5306 |
case 13: |
| 5307 |
gen_helper_1i(mfthi, t0, 3);
|
| 5308 |
break;
|
| 5309 |
case 14: |
| 5310 |
gen_helper_1i(mftacx, t0, 3);
|
| 5311 |
break;
|
| 5312 |
case 16: |
| 5313 |
gen_helper_mftdsp(t0); |
| 5314 |
break;
|
| 5315 |
default:
|
| 5316 |
goto die;
|
| 5317 |
} |
| 5318 |
break;
|
| 5319 |
/* Floating point (COP1). */
|
| 5320 |
case 2: |
| 5321 |
/* XXX: For now we support only a single FPU context. */
|
| 5322 |
if (h == 0) { |
| 5323 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5324 |
|
| 5325 |
gen_load_fpr32(fp0, rt); |
| 5326 |
tcg_gen_ext_i32_tl(t0, fp0); |
| 5327 |
tcg_temp_free_i32(fp0); |
| 5328 |
} else {
|
| 5329 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5330 |
|
| 5331 |
gen_load_fpr32h(fp0, rt); |
| 5332 |
tcg_gen_ext_i32_tl(t0, fp0); |
| 5333 |
tcg_temp_free_i32(fp0); |
| 5334 |
} |
| 5335 |
break;
|
| 5336 |
case 3: |
| 5337 |
/* XXX: For now we support only a single FPU context. */
|
| 5338 |
gen_helper_1i(cfc1, t0, rt); |
| 5339 |
break;
|
| 5340 |
/* COP2: Not implemented. */
|
| 5341 |
case 4: |
| 5342 |
case 5: |
| 5343 |
/* fall through */
|
| 5344 |
default:
|
| 5345 |
goto die;
|
| 5346 |
} |
| 5347 |
LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
|
| 5348 |
gen_store_gpr(t0, rd); |
| 5349 |
tcg_temp_free(t0); |
| 5350 |
return;
|
| 5351 |
|
| 5352 |
die:
|
| 5353 |
tcg_temp_free(t0); |
| 5354 |
LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
|
| 5355 |
generate_exception(ctx, EXCP_RI); |
| 5356 |
} |
| 5357 |
|
| 5358 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt, |
| 5359 |
int u, int sel, int h) |
| 5360 |
{
|
| 5361 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 5362 |
TCGv t0 = tcg_temp_local_new(); |
| 5363 |
|
| 5364 |
gen_load_gpr(t0, rt); |
| 5365 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
| 5366 |
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
|
| 5367 |
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
|
| 5368 |
/* NOP */ ;
|
| 5369 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
| 5370 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
| 5371 |
/* NOP */ ;
|
| 5372 |
else if (u == 0) { |
| 5373 |
switch (rd) {
|
| 5374 |
case 2: |
| 5375 |
switch (sel) {
|
| 5376 |
case 1: |
| 5377 |
gen_helper_mttc0_tcstatus(t0); |
| 5378 |
break;
|
| 5379 |
case 2: |
| 5380 |
gen_helper_mttc0_tcbind(t0); |
| 5381 |
break;
|
| 5382 |
case 3: |
| 5383 |
gen_helper_mttc0_tcrestart(t0); |
| 5384 |
break;
|
| 5385 |
case 4: |
| 5386 |
gen_helper_mttc0_tchalt(t0); |
| 5387 |
break;
|
| 5388 |
case 5: |
| 5389 |
gen_helper_mttc0_tccontext(t0); |
| 5390 |
break;
|
| 5391 |
case 6: |
| 5392 |
gen_helper_mttc0_tcschedule(t0); |
| 5393 |
break;
|
| 5394 |
case 7: |
| 5395 |
gen_helper_mttc0_tcschefback(t0); |
| 5396 |
break;
|
| 5397 |
default:
|
| 5398 |
gen_mtc0(env, ctx, t0, rd, sel); |
| 5399 |
break;
|
| 5400 |
} |
| 5401 |
break;
|
| 5402 |
case 10: |
| 5403 |
switch (sel) {
|
| 5404 |
case 0: |
| 5405 |
gen_helper_mttc0_entryhi(t0); |
| 5406 |
break;
|
| 5407 |
default:
|
| 5408 |
gen_mtc0(env, ctx, t0, rd, sel); |
| 5409 |
break;
|
| 5410 |
} |
| 5411 |
case 12: |
| 5412 |
switch (sel) {
|
| 5413 |
case 0: |
| 5414 |
gen_helper_mttc0_status(t0); |
| 5415 |
break;
|
| 5416 |
default:
|
| 5417 |
gen_mtc0(env, ctx, t0, rd, sel); |
| 5418 |
break;
|
| 5419 |
} |
| 5420 |
case 23: |
| 5421 |
switch (sel) {
|
| 5422 |
case 0: |
| 5423 |
gen_helper_mttc0_debug(t0); |
| 5424 |
break;
|
| 5425 |
default:
|
| 5426 |
gen_mtc0(env, ctx, t0, rd, sel); |
| 5427 |
break;
|
| 5428 |
} |
| 5429 |
break;
|
| 5430 |
default:
|
| 5431 |
gen_mtc0(env, ctx, t0, rd, sel); |
| 5432 |
} |
| 5433 |
} else switch (sel) { |
| 5434 |
/* GPR registers. */
|
| 5435 |
case 0: |
| 5436 |
gen_helper_1i(mttgpr, t0, rd); |
| 5437 |
break;
|
| 5438 |
/* Auxiliary CPU registers */
|
| 5439 |
case 1: |
| 5440 |
switch (rd) {
|
| 5441 |
case 0: |
| 5442 |
gen_helper_1i(mttlo, t0, 0);
|
| 5443 |
break;
|
| 5444 |
case 1: |
| 5445 |
gen_helper_1i(mtthi, t0, 0);
|
| 5446 |
break;
|
| 5447 |
case 2: |
| 5448 |
gen_helper_1i(mttacx, t0, 0);
|
| 5449 |
break;
|
| 5450 |
case 4: |
| 5451 |
gen_helper_1i(mttlo, t0, 1);
|
| 5452 |
break;
|
| 5453 |
case 5: |
| 5454 |
gen_helper_1i(mtthi, t0, 1);
|
| 5455 |
break;
|
| 5456 |
case 6: |
| 5457 |
gen_helper_1i(mttacx, t0, 1);
|
| 5458 |
break;
|
| 5459 |
case 8: |
| 5460 |
gen_helper_1i(mttlo, t0, 2);
|
| 5461 |
break;
|
| 5462 |
case 9: |
| 5463 |
gen_helper_1i(mtthi, t0, 2);
|
| 5464 |
break;
|
| 5465 |
case 10: |
| 5466 |
gen_helper_1i(mttacx, t0, 2);
|
| 5467 |
break;
|
| 5468 |
case 12: |
| 5469 |
gen_helper_1i(mttlo, t0, 3);
|
| 5470 |
break;
|
| 5471 |
case 13: |
| 5472 |
gen_helper_1i(mtthi, t0, 3);
|
| 5473 |
break;
|
| 5474 |
case 14: |
| 5475 |
gen_helper_1i(mttacx, t0, 3);
|
| 5476 |
break;
|
| 5477 |
case 16: |
| 5478 |
gen_helper_mttdsp(t0); |
| 5479 |
break;
|
| 5480 |
default:
|
| 5481 |
goto die;
|
| 5482 |
} |
| 5483 |
break;
|
| 5484 |
/* Floating point (COP1). */
|
| 5485 |
case 2: |
| 5486 |
/* XXX: For now we support only a single FPU context. */
|
| 5487 |
if (h == 0) { |
| 5488 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5489 |
|
| 5490 |
tcg_gen_trunc_tl_i32(fp0, t0); |
| 5491 |
gen_store_fpr32(fp0, rd); |
| 5492 |
tcg_temp_free_i32(fp0); |
| 5493 |
} else {
|
| 5494 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5495 |
|
| 5496 |
tcg_gen_trunc_tl_i32(fp0, t0); |
| 5497 |
gen_store_fpr32h(fp0, rd); |
| 5498 |
tcg_temp_free_i32(fp0); |
| 5499 |
} |
| 5500 |
break;
|
| 5501 |
case 3: |
| 5502 |
/* XXX: For now we support only a single FPU context. */
|
| 5503 |
gen_helper_1i(ctc1, t0, rd); |
| 5504 |
break;
|
| 5505 |
/* COP2: Not implemented. */
|
| 5506 |
case 4: |
| 5507 |
case 5: |
| 5508 |
/* fall through */
|
| 5509 |
default:
|
| 5510 |
goto die;
|
| 5511 |
} |
| 5512 |
LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
|
| 5513 |
tcg_temp_free(t0); |
| 5514 |
return;
|
| 5515 |
|
| 5516 |
die:
|
| 5517 |
tcg_temp_free(t0); |
| 5518 |
LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
|
| 5519 |
generate_exception(ctx, EXCP_RI); |
| 5520 |
} |
| 5521 |
|
| 5522 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
| 5523 |
{
|
| 5524 |
const char *opn = "ldst"; |
| 5525 |
|
| 5526 |
switch (opc) {
|
| 5527 |
case OPC_MFC0:
|
| 5528 |
if (rt == 0) { |
| 5529 |
/* Treat as NOP. */
|
| 5530 |
return;
|
| 5531 |
} |
| 5532 |
gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
|
| 5533 |
opn = "mfc0";
|
| 5534 |
break;
|
| 5535 |
case OPC_MTC0:
|
| 5536 |
{
|
| 5537 |
TCGv t0 = tcg_temp_new(); |
| 5538 |
|
| 5539 |
gen_load_gpr(t0, rt); |
| 5540 |
gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
|
| 5541 |
tcg_temp_free(t0); |
| 5542 |
} |
| 5543 |
opn = "mtc0";
|
| 5544 |
break;
|
| 5545 |
#if defined(TARGET_MIPS64)
|
| 5546 |
case OPC_DMFC0:
|
| 5547 |
check_insn(env, ctx, ISA_MIPS3); |
| 5548 |
if (rt == 0) { |
| 5549 |
/* Treat as NOP. */
|
| 5550 |
return;
|
| 5551 |
} |
| 5552 |
gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
|
| 5553 |
opn = "dmfc0";
|
| 5554 |
break;
|
| 5555 |
case OPC_DMTC0:
|
| 5556 |
check_insn(env, ctx, ISA_MIPS3); |
| 5557 |
{
|
| 5558 |
TCGv t0 = tcg_temp_new(); |
| 5559 |
|
| 5560 |
gen_load_gpr(t0, rt); |
| 5561 |
gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
|
| 5562 |
tcg_temp_free(t0); |
| 5563 |
} |
| 5564 |
opn = "dmtc0";
|
| 5565 |
break;
|
| 5566 |
#endif
|
| 5567 |
case OPC_MFTR:
|
| 5568 |
check_insn(env, ctx, ASE_MT); |
| 5569 |
if (rd == 0) { |
| 5570 |
/* Treat as NOP. */
|
| 5571 |
return;
|
| 5572 |
} |
| 5573 |
gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1, |
| 5574 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
| 5575 |
opn = "mftr";
|
| 5576 |
break;
|
| 5577 |
case OPC_MTTR:
|
| 5578 |
check_insn(env, ctx, ASE_MT); |
| 5579 |
gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, |
| 5580 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
| 5581 |
opn = "mttr";
|
| 5582 |
break;
|
| 5583 |
case OPC_TLBWI:
|
| 5584 |
opn = "tlbwi";
|
| 5585 |
if (!env->tlb->helper_tlbwi)
|
| 5586 |
goto die;
|
| 5587 |
gen_helper_tlbwi(); |
| 5588 |
break;
|
| 5589 |
case OPC_TLBWR:
|
| 5590 |
opn = "tlbwr";
|
| 5591 |
if (!env->tlb->helper_tlbwr)
|
| 5592 |
goto die;
|
| 5593 |
gen_helper_tlbwr(); |
| 5594 |
break;
|
| 5595 |
case OPC_TLBP:
|
| 5596 |
opn = "tlbp";
|
| 5597 |
if (!env->tlb->helper_tlbp)
|
| 5598 |
goto die;
|
| 5599 |
gen_helper_tlbp(); |
| 5600 |
break;
|
| 5601 |
case OPC_TLBR:
|
| 5602 |
opn = "tlbr";
|
| 5603 |
if (!env->tlb->helper_tlbr)
|
| 5604 |
goto die;
|
| 5605 |
gen_helper_tlbr(); |
| 5606 |
break;
|
| 5607 |
case OPC_ERET:
|
| 5608 |
opn = "eret";
|
| 5609 |
check_insn(env, ctx, ISA_MIPS2); |
| 5610 |
gen_helper_eret(); |
| 5611 |
ctx->bstate = BS_EXCP; |
| 5612 |
break;
|
| 5613 |
case OPC_DERET:
|
| 5614 |
opn = "deret";
|
| 5615 |
check_insn(env, ctx, ISA_MIPS32); |
| 5616 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
| 5617 |
MIPS_INVAL(opn); |
| 5618 |
generate_exception(ctx, EXCP_RI); |
| 5619 |
} else {
|
| 5620 |
gen_helper_deret(); |
| 5621 |
ctx->bstate = BS_EXCP; |
| 5622 |
} |
| 5623 |
break;
|
| 5624 |
case OPC_WAIT:
|
| 5625 |
opn = "wait";
|
| 5626 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
| 5627 |
/* If we get an exception, we want to restart at next instruction */
|
| 5628 |
ctx->pc += 4;
|
| 5629 |
save_cpu_state(ctx, 1);
|
| 5630 |
ctx->pc -= 4;
|
| 5631 |
gen_helper_wait(); |
| 5632 |
ctx->bstate = BS_EXCP; |
| 5633 |
break;
|
| 5634 |
default:
|
| 5635 |
die:
|
| 5636 |
MIPS_INVAL(opn); |
| 5637 |
generate_exception(ctx, EXCP_RI); |
| 5638 |
return;
|
| 5639 |
} |
| 5640 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
| 5641 |
} |
| 5642 |
#endif /* !CONFIG_USER_ONLY */ |
| 5643 |
|
| 5644 |
/* CP1 Branches (before delay slot) */
|
| 5645 |
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
| 5646 |
int32_t cc, int32_t offset) |
| 5647 |
{
|
| 5648 |
target_ulong btarget; |
| 5649 |
const char *opn = "cp1 cond branch"; |
| 5650 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
| 5651 |
|
| 5652 |
if (cc != 0) |
| 5653 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 5654 |
|
| 5655 |
btarget = ctx->pc + 4 + offset;
|
| 5656 |
|
| 5657 |
switch (op) {
|
| 5658 |
case OPC_BC1F:
|
| 5659 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5660 |
tcg_gen_not_i32(t0, t0); |
| 5661 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5662 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5663 |
opn = "bc1f";
|
| 5664 |
goto not_likely;
|
| 5665 |
case OPC_BC1FL:
|
| 5666 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5667 |
tcg_gen_not_i32(t0, t0); |
| 5668 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5669 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5670 |
opn = "bc1fl";
|
| 5671 |
goto likely;
|
| 5672 |
case OPC_BC1T:
|
| 5673 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5674 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5675 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5676 |
opn = "bc1t";
|
| 5677 |
goto not_likely;
|
| 5678 |
case OPC_BC1TL:
|
| 5679 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5680 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5681 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5682 |
opn = "bc1tl";
|
| 5683 |
likely:
|
| 5684 |
ctx->hflags |= MIPS_HFLAG_BL; |
| 5685 |
break;
|
| 5686 |
case OPC_BC1FANY2:
|
| 5687 |
{
|
| 5688 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 5689 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5690 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
| 5691 |
tcg_gen_or_i32(t0, t0, t1); |
| 5692 |
tcg_temp_free_i32(t1); |
| 5693 |
tcg_gen_not_i32(t0, t0); |
| 5694 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5695 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5696 |
} |
| 5697 |
opn = "bc1any2f";
|
| 5698 |
goto not_likely;
|
| 5699 |
case OPC_BC1TANY2:
|
| 5700 |
{
|
| 5701 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 5702 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5703 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
| 5704 |
tcg_gen_or_i32(t0, t0, t1); |
| 5705 |
tcg_temp_free_i32(t1); |
| 5706 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5707 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5708 |
} |
| 5709 |
opn = "bc1any2t";
|
| 5710 |
goto not_likely;
|
| 5711 |
case OPC_BC1FANY4:
|
| 5712 |
{
|
| 5713 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 5714 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5715 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
| 5716 |
tcg_gen_or_i32(t0, t0, t1); |
| 5717 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
|
| 5718 |
tcg_gen_or_i32(t0, t0, t1); |
| 5719 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
|
| 5720 |
tcg_gen_or_i32(t0, t0, t1); |
| 5721 |
tcg_temp_free_i32(t1); |
| 5722 |
tcg_gen_not_i32(t0, t0); |
| 5723 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5724 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5725 |
} |
| 5726 |
opn = "bc1any4f";
|
| 5727 |
goto not_likely;
|
| 5728 |
case OPC_BC1TANY4:
|
| 5729 |
{
|
| 5730 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 5731 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
| 5732 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
| 5733 |
tcg_gen_or_i32(t0, t0, t1); |
| 5734 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
|
| 5735 |
tcg_gen_or_i32(t0, t0, t1); |
| 5736 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
|
| 5737 |
tcg_gen_or_i32(t0, t0, t1); |
| 5738 |
tcg_temp_free_i32(t1); |
| 5739 |
tcg_gen_andi_i32(t0, t0, 1);
|
| 5740 |
tcg_gen_extu_i32_tl(bcond, t0); |
| 5741 |
} |
| 5742 |
opn = "bc1any4t";
|
| 5743 |
not_likely:
|
| 5744 |
ctx->hflags |= MIPS_HFLAG_BC; |
| 5745 |
break;
|
| 5746 |
default:
|
| 5747 |
MIPS_INVAL(opn); |
| 5748 |
generate_exception (ctx, EXCP_RI); |
| 5749 |
goto out;
|
| 5750 |
} |
| 5751 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
| 5752 |
ctx->hflags, btarget); |
| 5753 |
ctx->btarget = btarget; |
| 5754 |
|
| 5755 |
out:
|
| 5756 |
tcg_temp_free_i32(t0); |
| 5757 |
} |
| 5758 |
|
| 5759 |
/* Coprocessor 1 (FPU) */
|
| 5760 |
|
| 5761 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
| 5762 |
|
| 5763 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
| 5764 |
{
|
| 5765 |
const char *opn = "cp1 move"; |
| 5766 |
TCGv t0 = tcg_temp_new(); |
| 5767 |
|
| 5768 |
switch (opc) {
|
| 5769 |
case OPC_MFC1:
|
| 5770 |
{
|
| 5771 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5772 |
|
| 5773 |
gen_load_fpr32(fp0, fs); |
| 5774 |
tcg_gen_ext_i32_tl(t0, fp0); |
| 5775 |
tcg_temp_free_i32(fp0); |
| 5776 |
} |
| 5777 |
gen_store_gpr(t0, rt); |
| 5778 |
opn = "mfc1";
|
| 5779 |
break;
|
| 5780 |
case OPC_MTC1:
|
| 5781 |
gen_load_gpr(t0, rt); |
| 5782 |
{
|
| 5783 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5784 |
|
| 5785 |
tcg_gen_trunc_tl_i32(fp0, t0); |
| 5786 |
gen_store_fpr32(fp0, fs); |
| 5787 |
tcg_temp_free_i32(fp0); |
| 5788 |
} |
| 5789 |
opn = "mtc1";
|
| 5790 |
break;
|
| 5791 |
case OPC_CFC1:
|
| 5792 |
gen_helper_1i(cfc1, t0, fs); |
| 5793 |
gen_store_gpr(t0, rt); |
| 5794 |
opn = "cfc1";
|
| 5795 |
break;
|
| 5796 |
case OPC_CTC1:
|
| 5797 |
gen_load_gpr(t0, rt); |
| 5798 |
gen_helper_1i(ctc1, t0, fs); |
| 5799 |
opn = "ctc1";
|
| 5800 |
break;
|
| 5801 |
#if defined(TARGET_MIPS64)
|
| 5802 |
case OPC_DMFC1:
|
| 5803 |
gen_load_fpr64(ctx, t0, fs); |
| 5804 |
gen_store_gpr(t0, rt); |
| 5805 |
opn = "dmfc1";
|
| 5806 |
break;
|
| 5807 |
case OPC_DMTC1:
|
| 5808 |
gen_load_gpr(t0, rt); |
| 5809 |
gen_store_fpr64(ctx, t0, fs); |
| 5810 |
opn = "dmtc1";
|
| 5811 |
break;
|
| 5812 |
#endif
|
| 5813 |
case OPC_MFHC1:
|
| 5814 |
{
|
| 5815 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5816 |
|
| 5817 |
gen_load_fpr32h(fp0, fs); |
| 5818 |
tcg_gen_ext_i32_tl(t0, fp0); |
| 5819 |
tcg_temp_free_i32(fp0); |
| 5820 |
} |
| 5821 |
gen_store_gpr(t0, rt); |
| 5822 |
opn = "mfhc1";
|
| 5823 |
break;
|
| 5824 |
case OPC_MTHC1:
|
| 5825 |
gen_load_gpr(t0, rt); |
| 5826 |
{
|
| 5827 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5828 |
|
| 5829 |
tcg_gen_trunc_tl_i32(fp0, t0); |
| 5830 |
gen_store_fpr32h(fp0, fs); |
| 5831 |
tcg_temp_free_i32(fp0); |
| 5832 |
} |
| 5833 |
opn = "mthc1";
|
| 5834 |
break;
|
| 5835 |
default:
|
| 5836 |
MIPS_INVAL(opn); |
| 5837 |
generate_exception (ctx, EXCP_RI); |
| 5838 |
goto out;
|
| 5839 |
} |
| 5840 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
| 5841 |
|
| 5842 |
out:
|
| 5843 |
tcg_temp_free(t0); |
| 5844 |
} |
| 5845 |
|
| 5846 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
| 5847 |
{
|
| 5848 |
int l1;
|
| 5849 |
TCGCond cond; |
| 5850 |
TCGv_i32 t0; |
| 5851 |
|
| 5852 |
if (rd == 0) { |
| 5853 |
/* Treat as NOP. */
|
| 5854 |
return;
|
| 5855 |
} |
| 5856 |
|
| 5857 |
if (tf)
|
| 5858 |
cond = TCG_COND_EQ; |
| 5859 |
else
|
| 5860 |
cond = TCG_COND_NE; |
| 5861 |
|
| 5862 |
l1 = gen_new_label(); |
| 5863 |
t0 = tcg_temp_new_i32(); |
| 5864 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
| 5865 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
| 5866 |
tcg_temp_free_i32(t0); |
| 5867 |
if (rs == 0) { |
| 5868 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
| 5869 |
} else {
|
| 5870 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
| 5871 |
} |
| 5872 |
gen_set_label(l1); |
| 5873 |
} |
| 5874 |
|
| 5875 |
static inline void gen_movcf_s (int fs, int fd, int cc, int tf) |
| 5876 |
{
|
| 5877 |
int cond;
|
| 5878 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
| 5879 |
int l1 = gen_new_label();
|
| 5880 |
|
| 5881 |
if (tf)
|
| 5882 |
cond = TCG_COND_EQ; |
| 5883 |
else
|
| 5884 |
cond = TCG_COND_NE; |
| 5885 |
|
| 5886 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
| 5887 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
| 5888 |
gen_load_fpr32(t0, fs); |
| 5889 |
gen_store_fpr32(t0, fd); |
| 5890 |
gen_set_label(l1); |
| 5891 |
tcg_temp_free_i32(t0); |
| 5892 |
} |
| 5893 |
|
| 5894 |
static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf) |
| 5895 |
{
|
| 5896 |
int cond;
|
| 5897 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
| 5898 |
TCGv_i64 fp0; |
| 5899 |
int l1 = gen_new_label();
|
| 5900 |
|
| 5901 |
if (tf)
|
| 5902 |
cond = TCG_COND_EQ; |
| 5903 |
else
|
| 5904 |
cond = TCG_COND_NE; |
| 5905 |
|
| 5906 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
| 5907 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
| 5908 |
tcg_temp_free_i32(t0); |
| 5909 |
fp0 = tcg_temp_new_i64(); |
| 5910 |
gen_load_fpr64(ctx, fp0, fs); |
| 5911 |
gen_store_fpr64(ctx, fp0, fd); |
| 5912 |
tcg_temp_free_i64(fp0); |
| 5913 |
gen_set_label(l1); |
| 5914 |
} |
| 5915 |
|
| 5916 |
static inline void gen_movcf_ps (int fs, int fd, int cc, int tf) |
| 5917 |
{
|
| 5918 |
int cond;
|
| 5919 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
| 5920 |
int l1 = gen_new_label();
|
| 5921 |
int l2 = gen_new_label();
|
| 5922 |
|
| 5923 |
if (tf)
|
| 5924 |
cond = TCG_COND_EQ; |
| 5925 |
else
|
| 5926 |
cond = TCG_COND_NE; |
| 5927 |
|
| 5928 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
| 5929 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
| 5930 |
gen_load_fpr32(t0, fs); |
| 5931 |
gen_store_fpr32(t0, fd); |
| 5932 |
gen_set_label(l1); |
| 5933 |
|
| 5934 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1)); |
| 5935 |
tcg_gen_brcondi_i32(cond, t0, 0, l2);
|
| 5936 |
gen_load_fpr32h(t0, fs); |
| 5937 |
gen_store_fpr32h(t0, fd); |
| 5938 |
tcg_temp_free_i32(t0); |
| 5939 |
gen_set_label(l2); |
| 5940 |
} |
| 5941 |
|
| 5942 |
|
| 5943 |
static void gen_farith (DisasContext *ctx, uint32_t op1, |
| 5944 |
int ft, int fs, int fd, int cc) |
| 5945 |
{
|
| 5946 |
const char *opn = "farith"; |
| 5947 |
const char *condnames[] = { |
| 5948 |
"c.f",
|
| 5949 |
"c.un",
|
| 5950 |
"c.eq",
|
| 5951 |
"c.ueq",
|
| 5952 |
"c.olt",
|
| 5953 |
"c.ult",
|
| 5954 |
"c.ole",
|
| 5955 |
"c.ule",
|
| 5956 |
"c.sf",
|
| 5957 |
"c.ngle",
|
| 5958 |
"c.seq",
|
| 5959 |
"c.ngl",
|
| 5960 |
"c.lt",
|
| 5961 |
"c.nge",
|
| 5962 |
"c.le",
|
| 5963 |
"c.ngt",
|
| 5964 |
}; |
| 5965 |
const char *condnames_abs[] = { |
| 5966 |
"cabs.f",
|
| 5967 |
"cabs.un",
|
| 5968 |
"cabs.eq",
|
| 5969 |
"cabs.ueq",
|
| 5970 |
"cabs.olt",
|
| 5971 |
"cabs.ult",
|
| 5972 |
"cabs.ole",
|
| 5973 |
"cabs.ule",
|
| 5974 |
"cabs.sf",
|
| 5975 |
"cabs.ngle",
|
| 5976 |
"cabs.seq",
|
| 5977 |
"cabs.ngl",
|
| 5978 |
"cabs.lt",
|
| 5979 |
"cabs.nge",
|
| 5980 |
"cabs.le",
|
| 5981 |
"cabs.ngt",
|
| 5982 |
}; |
| 5983 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
| 5984 |
uint32_t func = ctx->opcode & 0x3f;
|
| 5985 |
|
| 5986 |
switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
| 5987 |
case FOP(0, 16): |
| 5988 |
{
|
| 5989 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 5990 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 5991 |
|
| 5992 |
gen_load_fpr32(fp0, fs); |
| 5993 |
gen_load_fpr32(fp1, ft); |
| 5994 |
gen_helper_float_add_s(fp0, fp0, fp1); |
| 5995 |
tcg_temp_free_i32(fp1); |
| 5996 |
gen_store_fpr32(fp0, fd); |
| 5997 |
tcg_temp_free_i32(fp0); |
| 5998 |
} |
| 5999 |
opn = "add.s";
|
| 6000 |
optype = BINOP; |
| 6001 |
break;
|
| 6002 |
case FOP(1, 16): |
| 6003 |
{
|
| 6004 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6005 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 6006 |
|
| 6007 |
gen_load_fpr32(fp0, fs); |
| 6008 |
gen_load_fpr32(fp1, ft); |
| 6009 |
gen_helper_float_sub_s(fp0, fp0, fp1); |
| 6010 |
tcg_temp_free_i32(fp1); |
| 6011 |
gen_store_fpr32(fp0, fd); |
| 6012 |
tcg_temp_free_i32(fp0); |
| 6013 |
} |
| 6014 |
opn = "sub.s";
|
| 6015 |
optype = BINOP; |
| 6016 |
break;
|
| 6017 |
case FOP(2, 16): |
| 6018 |
{
|
| 6019 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6020 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 6021 |
|
| 6022 |
gen_load_fpr32(fp0, fs); |
| 6023 |
gen_load_fpr32(fp1, ft); |
| 6024 |
gen_helper_float_mul_s(fp0, fp0, fp1); |
| 6025 |
tcg_temp_free_i32(fp1); |
| 6026 |
gen_store_fpr32(fp0, fd); |
| 6027 |
tcg_temp_free_i32(fp0); |
| 6028 |
} |
| 6029 |
opn = "mul.s";
|
| 6030 |
optype = BINOP; |
| 6031 |
break;
|
| 6032 |
case FOP(3, 16): |
| 6033 |
{
|
| 6034 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6035 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 6036 |
|
| 6037 |
gen_load_fpr32(fp0, fs); |
| 6038 |
gen_load_fpr32(fp1, ft); |
| 6039 |
gen_helper_float_div_s(fp0, fp0, fp1); |
| 6040 |
tcg_temp_free_i32(fp1); |
| 6041 |
gen_store_fpr32(fp0, fd); |
| 6042 |
tcg_temp_free_i32(fp0); |
| 6043 |
} |
| 6044 |
opn = "div.s";
|
| 6045 |
optype = BINOP; |
| 6046 |
break;
|
| 6047 |
case FOP(4, 16): |
| 6048 |
{
|
| 6049 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6050 |
|
| 6051 |
gen_load_fpr32(fp0, fs); |
| 6052 |
gen_helper_float_sqrt_s(fp0, fp0); |
| 6053 |
gen_store_fpr32(fp0, fd); |
| 6054 |
tcg_temp_free_i32(fp0); |
| 6055 |
} |
| 6056 |
opn = "sqrt.s";
|
| 6057 |
break;
|
| 6058 |
case FOP(5, 16): |
| 6059 |
{
|
| 6060 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6061 |
|
| 6062 |
gen_load_fpr32(fp0, fs); |
| 6063 |
gen_helper_float_abs_s(fp0, fp0); |
| 6064 |
gen_store_fpr32(fp0, fd); |
| 6065 |
tcg_temp_free_i32(fp0); |
| 6066 |
} |
| 6067 |
opn = "abs.s";
|
| 6068 |
break;
|
| 6069 |
case FOP(6, 16): |
| 6070 |
{
|
| 6071 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6072 |
|
| 6073 |
gen_load_fpr32(fp0, fs); |
| 6074 |
gen_store_fpr32(fp0, fd); |
| 6075 |
tcg_temp_free_i32(fp0); |
| 6076 |
} |
| 6077 |
opn = "mov.s";
|
| 6078 |
break;
|
| 6079 |
case FOP(7, 16): |
| 6080 |
{
|
| 6081 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6082 |
|
| 6083 |
gen_load_fpr32(fp0, fs); |
| 6084 |
gen_helper_float_chs_s(fp0, fp0); |
| 6085 |
gen_store_fpr32(fp0, fd); |
| 6086 |
tcg_temp_free_i32(fp0); |
| 6087 |
} |
| 6088 |
opn = "neg.s";
|
| 6089 |
break;
|
| 6090 |
case FOP(8, 16): |
| 6091 |
check_cp1_64bitmode(ctx); |
| 6092 |
{
|
| 6093 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6094 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6095 |
|
| 6096 |
gen_load_fpr32(fp32, fs); |
| 6097 |
gen_helper_float_roundl_s(fp64, fp32); |
| 6098 |
tcg_temp_free_i32(fp32); |
| 6099 |
gen_store_fpr64(ctx, fp64, fd); |
| 6100 |
tcg_temp_free_i64(fp64); |
| 6101 |
} |
| 6102 |
opn = "round.l.s";
|
| 6103 |
break;
|
| 6104 |
case FOP(9, 16): |
| 6105 |
check_cp1_64bitmode(ctx); |
| 6106 |
{
|
| 6107 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6108 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6109 |
|
| 6110 |
gen_load_fpr32(fp32, fs); |
| 6111 |
gen_helper_float_truncl_s(fp64, fp32); |
| 6112 |
tcg_temp_free_i32(fp32); |
| 6113 |
gen_store_fpr64(ctx, fp64, fd); |
| 6114 |
tcg_temp_free_i64(fp64); |
| 6115 |
} |
| 6116 |
opn = "trunc.l.s";
|
| 6117 |
break;
|
| 6118 |
case FOP(10, 16): |
| 6119 |
check_cp1_64bitmode(ctx); |
| 6120 |
{
|
| 6121 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6122 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6123 |
|
| 6124 |
gen_load_fpr32(fp32, fs); |
| 6125 |
gen_helper_float_ceill_s(fp64, fp32); |
| 6126 |
tcg_temp_free_i32(fp32); |
| 6127 |
gen_store_fpr64(ctx, fp64, fd); |
| 6128 |
tcg_temp_free_i64(fp64); |
| 6129 |
} |
| 6130 |
opn = "ceil.l.s";
|
| 6131 |
break;
|
| 6132 |
case FOP(11, 16): |
| 6133 |
check_cp1_64bitmode(ctx); |
| 6134 |
{
|
| 6135 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6136 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6137 |
|
| 6138 |
gen_load_fpr32(fp32, fs); |
| 6139 |
gen_helper_float_floorl_s(fp64, fp32); |
| 6140 |
tcg_temp_free_i32(fp32); |
| 6141 |
gen_store_fpr64(ctx, fp64, fd); |
| 6142 |
tcg_temp_free_i64(fp64); |
| 6143 |
} |
| 6144 |
opn = "floor.l.s";
|
| 6145 |
break;
|
| 6146 |
case FOP(12, 16): |
| 6147 |
{
|
| 6148 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6149 |
|
| 6150 |
gen_load_fpr32(fp0, fs); |
| 6151 |
gen_helper_float_roundw_s(fp0, fp0); |
| 6152 |
gen_store_fpr32(fp0, fd); |
| 6153 |
tcg_temp_free_i32(fp0); |
| 6154 |
} |
| 6155 |
opn = "round.w.s";
|
| 6156 |
break;
|
| 6157 |
case FOP(13, 16): |
| 6158 |
{
|
| 6159 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6160 |
|
| 6161 |
gen_load_fpr32(fp0, fs); |
| 6162 |
gen_helper_float_truncw_s(fp0, fp0); |
| 6163 |
gen_store_fpr32(fp0, fd); |
| 6164 |
tcg_temp_free_i32(fp0); |
| 6165 |
} |
| 6166 |
opn = "trunc.w.s";
|
| 6167 |
break;
|
| 6168 |
case FOP(14, 16): |
| 6169 |
{
|
| 6170 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6171 |
|
| 6172 |
gen_load_fpr32(fp0, fs); |
| 6173 |
gen_helper_float_ceilw_s(fp0, fp0); |
| 6174 |
gen_store_fpr32(fp0, fd); |
| 6175 |
tcg_temp_free_i32(fp0); |
| 6176 |
} |
| 6177 |
opn = "ceil.w.s";
|
| 6178 |
break;
|
| 6179 |
case FOP(15, 16): |
| 6180 |
{
|
| 6181 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6182 |
|
| 6183 |
gen_load_fpr32(fp0, fs); |
| 6184 |
gen_helper_float_floorw_s(fp0, fp0); |
| 6185 |
gen_store_fpr32(fp0, fd); |
| 6186 |
tcg_temp_free_i32(fp0); |
| 6187 |
} |
| 6188 |
opn = "floor.w.s";
|
| 6189 |
break;
|
| 6190 |
case FOP(17, 16): |
| 6191 |
gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
| 6192 |
opn = "movcf.s";
|
| 6193 |
break;
|
| 6194 |
case FOP(18, 16): |
| 6195 |
{
|
| 6196 |
int l1 = gen_new_label();
|
| 6197 |
TCGv_i32 fp0; |
| 6198 |
|
| 6199 |
if (ft != 0) { |
| 6200 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
| 6201 |
} |
| 6202 |
fp0 = tcg_temp_new_i32(); |
| 6203 |
gen_load_fpr32(fp0, fs); |
| 6204 |
gen_store_fpr32(fp0, fd); |
| 6205 |
tcg_temp_free_i32(fp0); |
| 6206 |
gen_set_label(l1); |
| 6207 |
} |
| 6208 |
opn = "movz.s";
|
| 6209 |
break;
|
| 6210 |
case FOP(19, 16): |
| 6211 |
{
|
| 6212 |
int l1 = gen_new_label();
|
| 6213 |
TCGv_i32 fp0; |
| 6214 |
|
| 6215 |
if (ft != 0) { |
| 6216 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
| 6217 |
fp0 = tcg_temp_new_i32(); |
| 6218 |
gen_load_fpr32(fp0, fs); |
| 6219 |
gen_store_fpr32(fp0, fd); |
| 6220 |
tcg_temp_free_i32(fp0); |
| 6221 |
gen_set_label(l1); |
| 6222 |
} |
| 6223 |
} |
| 6224 |
opn = "movn.s";
|
| 6225 |
break;
|
| 6226 |
case FOP(21, 16): |
| 6227 |
check_cop1x(ctx); |
| 6228 |
{
|
| 6229 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6230 |
|
| 6231 |
gen_load_fpr32(fp0, fs); |
| 6232 |
gen_helper_float_recip_s(fp0, fp0); |
| 6233 |
gen_store_fpr32(fp0, fd); |
| 6234 |
tcg_temp_free_i32(fp0); |
| 6235 |
} |
| 6236 |
opn = "recip.s";
|
| 6237 |
break;
|
| 6238 |
case FOP(22, 16): |
| 6239 |
check_cop1x(ctx); |
| 6240 |
{
|
| 6241 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6242 |
|
| 6243 |
gen_load_fpr32(fp0, fs); |
| 6244 |
gen_helper_float_rsqrt_s(fp0, fp0); |
| 6245 |
gen_store_fpr32(fp0, fd); |
| 6246 |
tcg_temp_free_i32(fp0); |
| 6247 |
} |
| 6248 |
opn = "rsqrt.s";
|
| 6249 |
break;
|
| 6250 |
case FOP(28, 16): |
| 6251 |
check_cp1_64bitmode(ctx); |
| 6252 |
{
|
| 6253 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6254 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 6255 |
|
| 6256 |
gen_load_fpr32(fp0, fs); |
| 6257 |
gen_load_fpr32(fp1, fd); |
| 6258 |
gen_helper_float_recip2_s(fp0, fp0, fp1); |
| 6259 |
tcg_temp_free_i32(fp1); |
| 6260 |
gen_store_fpr32(fp0, fd); |
| 6261 |
tcg_temp_free_i32(fp0); |
| 6262 |
} |
| 6263 |
opn = "recip2.s";
|
| 6264 |
break;
|
| 6265 |
case FOP(29, 16): |
| 6266 |
check_cp1_64bitmode(ctx); |
| 6267 |
{
|
| 6268 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6269 |
|
| 6270 |
gen_load_fpr32(fp0, fs); |
| 6271 |
gen_helper_float_recip1_s(fp0, fp0); |
| 6272 |
gen_store_fpr32(fp0, fd); |
| 6273 |
tcg_temp_free_i32(fp0); |
| 6274 |
} |
| 6275 |
opn = "recip1.s";
|
| 6276 |
break;
|
| 6277 |
case FOP(30, 16): |
| 6278 |
check_cp1_64bitmode(ctx); |
| 6279 |
{
|
| 6280 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6281 |
|
| 6282 |
gen_load_fpr32(fp0, fs); |
| 6283 |
gen_helper_float_rsqrt1_s(fp0, fp0); |
| 6284 |
gen_store_fpr32(fp0, fd); |
| 6285 |
tcg_temp_free_i32(fp0); |
| 6286 |
} |
| 6287 |
opn = "rsqrt1.s";
|
| 6288 |
break;
|
| 6289 |
case FOP(31, 16): |
| 6290 |
check_cp1_64bitmode(ctx); |
| 6291 |
{
|
| 6292 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6293 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 6294 |
|
| 6295 |
gen_load_fpr32(fp0, fs); |
| 6296 |
gen_load_fpr32(fp1, ft); |
| 6297 |
gen_helper_float_rsqrt2_s(fp0, fp0, fp1); |
| 6298 |
tcg_temp_free_i32(fp1); |
| 6299 |
gen_store_fpr32(fp0, fd); |
| 6300 |
tcg_temp_free_i32(fp0); |
| 6301 |
} |
| 6302 |
opn = "rsqrt2.s";
|
| 6303 |
break;
|
| 6304 |
case FOP(33, 16): |
| 6305 |
check_cp1_registers(ctx, fd); |
| 6306 |
{
|
| 6307 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6308 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6309 |
|
| 6310 |
gen_load_fpr32(fp32, fs); |
| 6311 |
gen_helper_float_cvtd_s(fp64, fp32); |
| 6312 |
tcg_temp_free_i32(fp32); |
| 6313 |
gen_store_fpr64(ctx, fp64, fd); |
| 6314 |
tcg_temp_free_i64(fp64); |
| 6315 |
} |
| 6316 |
opn = "cvt.d.s";
|
| 6317 |
break;
|
| 6318 |
case FOP(36, 16): |
| 6319 |
{
|
| 6320 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6321 |
|
| 6322 |
gen_load_fpr32(fp0, fs); |
| 6323 |
gen_helper_float_cvtw_s(fp0, fp0); |
| 6324 |
gen_store_fpr32(fp0, fd); |
| 6325 |
tcg_temp_free_i32(fp0); |
| 6326 |
} |
| 6327 |
opn = "cvt.w.s";
|
| 6328 |
break;
|
| 6329 |
case FOP(37, 16): |
| 6330 |
check_cp1_64bitmode(ctx); |
| 6331 |
{
|
| 6332 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6333 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6334 |
|
| 6335 |
gen_load_fpr32(fp32, fs); |
| 6336 |
gen_helper_float_cvtl_s(fp64, fp32); |
| 6337 |
tcg_temp_free_i32(fp32); |
| 6338 |
gen_store_fpr64(ctx, fp64, fd); |
| 6339 |
tcg_temp_free_i64(fp64); |
| 6340 |
} |
| 6341 |
opn = "cvt.l.s";
|
| 6342 |
break;
|
| 6343 |
case FOP(38, 16): |
| 6344 |
check_cp1_64bitmode(ctx); |
| 6345 |
{
|
| 6346 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6347 |
TCGv_i32 fp32_0 = tcg_temp_new_i32(); |
| 6348 |
TCGv_i32 fp32_1 = tcg_temp_new_i32(); |
| 6349 |
|
| 6350 |
gen_load_fpr32(fp32_0, fs); |
| 6351 |
gen_load_fpr32(fp32_1, ft); |
| 6352 |
tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1); |
| 6353 |
tcg_temp_free_i32(fp32_1); |
| 6354 |
tcg_temp_free_i32(fp32_0); |
| 6355 |
gen_store_fpr64(ctx, fp64, fd); |
| 6356 |
tcg_temp_free_i64(fp64); |
| 6357 |
} |
| 6358 |
opn = "cvt.ps.s";
|
| 6359 |
break;
|
| 6360 |
case FOP(48, 16): |
| 6361 |
case FOP(49, 16): |
| 6362 |
case FOP(50, 16): |
| 6363 |
case FOP(51, 16): |
| 6364 |
case FOP(52, 16): |
| 6365 |
case FOP(53, 16): |
| 6366 |
case FOP(54, 16): |
| 6367 |
case FOP(55, 16): |
| 6368 |
case FOP(56, 16): |
| 6369 |
case FOP(57, 16): |
| 6370 |
case FOP(58, 16): |
| 6371 |
case FOP(59, 16): |
| 6372 |
case FOP(60, 16): |
| 6373 |
case FOP(61, 16): |
| 6374 |
case FOP(62, 16): |
| 6375 |
case FOP(63, 16): |
| 6376 |
{
|
| 6377 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6378 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 6379 |
|
| 6380 |
gen_load_fpr32(fp0, fs); |
| 6381 |
gen_load_fpr32(fp1, ft); |
| 6382 |
if (ctx->opcode & (1 << 6)) { |
| 6383 |
check_cop1x(ctx); |
| 6384 |
gen_cmpabs_s(func-48, fp0, fp1, cc);
|
| 6385 |
opn = condnames_abs[func-48];
|
| 6386 |
} else {
|
| 6387 |
gen_cmp_s(func-48, fp0, fp1, cc);
|
| 6388 |
opn = condnames[func-48];
|
| 6389 |
} |
| 6390 |
tcg_temp_free_i32(fp0); |
| 6391 |
tcg_temp_free_i32(fp1); |
| 6392 |
} |
| 6393 |
break;
|
| 6394 |
case FOP(0, 17): |
| 6395 |
check_cp1_registers(ctx, fs | ft | fd); |
| 6396 |
{
|
| 6397 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6398 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6399 |
|
| 6400 |
gen_load_fpr64(ctx, fp0, fs); |
| 6401 |
gen_load_fpr64(ctx, fp1, ft); |
| 6402 |
gen_helper_float_add_d(fp0, fp0, fp1); |
| 6403 |
tcg_temp_free_i64(fp1); |
| 6404 |
gen_store_fpr64(ctx, fp0, fd); |
| 6405 |
tcg_temp_free_i64(fp0); |
| 6406 |
} |
| 6407 |
opn = "add.d";
|
| 6408 |
optype = BINOP; |
| 6409 |
break;
|
| 6410 |
case FOP(1, 17): |
| 6411 |
check_cp1_registers(ctx, fs | ft | fd); |
| 6412 |
{
|
| 6413 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6414 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6415 |
|
| 6416 |
gen_load_fpr64(ctx, fp0, fs); |
| 6417 |
gen_load_fpr64(ctx, fp1, ft); |
| 6418 |
gen_helper_float_sub_d(fp0, fp0, fp1); |
| 6419 |
tcg_temp_free_i64(fp1); |
| 6420 |
gen_store_fpr64(ctx, fp0, fd); |
| 6421 |
tcg_temp_free_i64(fp0); |
| 6422 |
} |
| 6423 |
opn = "sub.d";
|
| 6424 |
optype = BINOP; |
| 6425 |
break;
|
| 6426 |
case FOP(2, 17): |
| 6427 |
check_cp1_registers(ctx, fs | ft | fd); |
| 6428 |
{
|
| 6429 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6430 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6431 |
|
| 6432 |
gen_load_fpr64(ctx, fp0, fs); |
| 6433 |
gen_load_fpr64(ctx, fp1, ft); |
| 6434 |
gen_helper_float_mul_d(fp0, fp0, fp1); |
| 6435 |
tcg_temp_free_i64(fp1); |
| 6436 |
gen_store_fpr64(ctx, fp0, fd); |
| 6437 |
tcg_temp_free_i64(fp0); |
| 6438 |
} |
| 6439 |
opn = "mul.d";
|
| 6440 |
optype = BINOP; |
| 6441 |
break;
|
| 6442 |
case FOP(3, 17): |
| 6443 |
check_cp1_registers(ctx, fs | ft | fd); |
| 6444 |
{
|
| 6445 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6446 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6447 |
|
| 6448 |
gen_load_fpr64(ctx, fp0, fs); |
| 6449 |
gen_load_fpr64(ctx, fp1, ft); |
| 6450 |
gen_helper_float_div_d(fp0, fp0, fp1); |
| 6451 |
tcg_temp_free_i64(fp1); |
| 6452 |
gen_store_fpr64(ctx, fp0, fd); |
| 6453 |
tcg_temp_free_i64(fp0); |
| 6454 |
} |
| 6455 |
opn = "div.d";
|
| 6456 |
optype = BINOP; |
| 6457 |
break;
|
| 6458 |
case FOP(4, 17): |
| 6459 |
check_cp1_registers(ctx, fs | fd); |
| 6460 |
{
|
| 6461 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6462 |
|
| 6463 |
gen_load_fpr64(ctx, fp0, fs); |
| 6464 |
gen_helper_float_sqrt_d(fp0, fp0); |
| 6465 |
gen_store_fpr64(ctx, fp0, fd); |
| 6466 |
tcg_temp_free_i64(fp0); |
| 6467 |
} |
| 6468 |
opn = "sqrt.d";
|
| 6469 |
break;
|
| 6470 |
case FOP(5, 17): |
| 6471 |
check_cp1_registers(ctx, fs | fd); |
| 6472 |
{
|
| 6473 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6474 |
|
| 6475 |
gen_load_fpr64(ctx, fp0, fs); |
| 6476 |
gen_helper_float_abs_d(fp0, fp0); |
| 6477 |
gen_store_fpr64(ctx, fp0, fd); |
| 6478 |
tcg_temp_free_i64(fp0); |
| 6479 |
} |
| 6480 |
opn = "abs.d";
|
| 6481 |
break;
|
| 6482 |
case FOP(6, 17): |
| 6483 |
check_cp1_registers(ctx, fs | fd); |
| 6484 |
{
|
| 6485 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6486 |
|
| 6487 |
gen_load_fpr64(ctx, fp0, fs); |
| 6488 |
gen_store_fpr64(ctx, fp0, fd); |
| 6489 |
tcg_temp_free_i64(fp0); |
| 6490 |
} |
| 6491 |
opn = "mov.d";
|
| 6492 |
break;
|
| 6493 |
case FOP(7, 17): |
| 6494 |
check_cp1_registers(ctx, fs | fd); |
| 6495 |
{
|
| 6496 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6497 |
|
| 6498 |
gen_load_fpr64(ctx, fp0, fs); |
| 6499 |
gen_helper_float_chs_d(fp0, fp0); |
| 6500 |
gen_store_fpr64(ctx, fp0, fd); |
| 6501 |
tcg_temp_free_i64(fp0); |
| 6502 |
} |
| 6503 |
opn = "neg.d";
|
| 6504 |
break;
|
| 6505 |
case FOP(8, 17): |
| 6506 |
check_cp1_64bitmode(ctx); |
| 6507 |
{
|
| 6508 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6509 |
|
| 6510 |
gen_load_fpr64(ctx, fp0, fs); |
| 6511 |
gen_helper_float_roundl_d(fp0, fp0); |
| 6512 |
gen_store_fpr64(ctx, fp0, fd); |
| 6513 |
tcg_temp_free_i64(fp0); |
| 6514 |
} |
| 6515 |
opn = "round.l.d";
|
| 6516 |
break;
|
| 6517 |
case FOP(9, 17): |
| 6518 |
check_cp1_64bitmode(ctx); |
| 6519 |
{
|
| 6520 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6521 |
|
| 6522 |
gen_load_fpr64(ctx, fp0, fs); |
| 6523 |
gen_helper_float_truncl_d(fp0, fp0); |
| 6524 |
gen_store_fpr64(ctx, fp0, fd); |
| 6525 |
tcg_temp_free_i64(fp0); |
| 6526 |
} |
| 6527 |
opn = "trunc.l.d";
|
| 6528 |
break;
|
| 6529 |
case FOP(10, 17): |
| 6530 |
check_cp1_64bitmode(ctx); |
| 6531 |
{
|
| 6532 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6533 |
|
| 6534 |
gen_load_fpr64(ctx, fp0, fs); |
| 6535 |
gen_helper_float_ceill_d(fp0, fp0); |
| 6536 |
gen_store_fpr64(ctx, fp0, fd); |
| 6537 |
tcg_temp_free_i64(fp0); |
| 6538 |
} |
| 6539 |
opn = "ceil.l.d";
|
| 6540 |
break;
|
| 6541 |
case FOP(11, 17): |
| 6542 |
check_cp1_64bitmode(ctx); |
| 6543 |
{
|
| 6544 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6545 |
|
| 6546 |
gen_load_fpr64(ctx, fp0, fs); |
| 6547 |
gen_helper_float_floorl_d(fp0, fp0); |
| 6548 |
gen_store_fpr64(ctx, fp0, fd); |
| 6549 |
tcg_temp_free_i64(fp0); |
| 6550 |
} |
| 6551 |
opn = "floor.l.d";
|
| 6552 |
break;
|
| 6553 |
case FOP(12, 17): |
| 6554 |
check_cp1_registers(ctx, fs); |
| 6555 |
{
|
| 6556 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6557 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6558 |
|
| 6559 |
gen_load_fpr64(ctx, fp64, fs); |
| 6560 |
gen_helper_float_roundw_d(fp32, fp64); |
| 6561 |
tcg_temp_free_i64(fp64); |
| 6562 |
gen_store_fpr32(fp32, fd); |
| 6563 |
tcg_temp_free_i32(fp32); |
| 6564 |
} |
| 6565 |
opn = "round.w.d";
|
| 6566 |
break;
|
| 6567 |
case FOP(13, 17): |
| 6568 |
check_cp1_registers(ctx, fs); |
| 6569 |
{
|
| 6570 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6571 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6572 |
|
| 6573 |
gen_load_fpr64(ctx, fp64, fs); |
| 6574 |
gen_helper_float_truncw_d(fp32, fp64); |
| 6575 |
tcg_temp_free_i64(fp64); |
| 6576 |
gen_store_fpr32(fp32, fd); |
| 6577 |
tcg_temp_free_i32(fp32); |
| 6578 |
} |
| 6579 |
opn = "trunc.w.d";
|
| 6580 |
break;
|
| 6581 |
case FOP(14, 17): |
| 6582 |
check_cp1_registers(ctx, fs); |
| 6583 |
{
|
| 6584 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6585 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6586 |
|
| 6587 |
gen_load_fpr64(ctx, fp64, fs); |
| 6588 |
gen_helper_float_ceilw_d(fp32, fp64); |
| 6589 |
tcg_temp_free_i64(fp64); |
| 6590 |
gen_store_fpr32(fp32, fd); |
| 6591 |
tcg_temp_free_i32(fp32); |
| 6592 |
} |
| 6593 |
opn = "ceil.w.d";
|
| 6594 |
break;
|
| 6595 |
case FOP(15, 17): |
| 6596 |
check_cp1_registers(ctx, fs); |
| 6597 |
{
|
| 6598 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6599 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6600 |
|
| 6601 |
gen_load_fpr64(ctx, fp64, fs); |
| 6602 |
gen_helper_float_floorw_d(fp32, fp64); |
| 6603 |
tcg_temp_free_i64(fp64); |
| 6604 |
gen_store_fpr32(fp32, fd); |
| 6605 |
tcg_temp_free_i32(fp32); |
| 6606 |
} |
| 6607 |
opn = "floor.w.d";
|
| 6608 |
break;
|
| 6609 |
case FOP(17, 17): |
| 6610 |
gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
| 6611 |
opn = "movcf.d";
|
| 6612 |
break;
|
| 6613 |
case FOP(18, 17): |
| 6614 |
{
|
| 6615 |
int l1 = gen_new_label();
|
| 6616 |
TCGv_i64 fp0; |
| 6617 |
|
| 6618 |
if (ft != 0) { |
| 6619 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
| 6620 |
} |
| 6621 |
fp0 = tcg_temp_new_i64(); |
| 6622 |
gen_load_fpr64(ctx, fp0, fs); |
| 6623 |
gen_store_fpr64(ctx, fp0, fd); |
| 6624 |
tcg_temp_free_i64(fp0); |
| 6625 |
gen_set_label(l1); |
| 6626 |
} |
| 6627 |
opn = "movz.d";
|
| 6628 |
break;
|
| 6629 |
case FOP(19, 17): |
| 6630 |
{
|
| 6631 |
int l1 = gen_new_label();
|
| 6632 |
TCGv_i64 fp0; |
| 6633 |
|
| 6634 |
if (ft != 0) { |
| 6635 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
| 6636 |
fp0 = tcg_temp_new_i64(); |
| 6637 |
gen_load_fpr64(ctx, fp0, fs); |
| 6638 |
gen_store_fpr64(ctx, fp0, fd); |
| 6639 |
tcg_temp_free_i64(fp0); |
| 6640 |
gen_set_label(l1); |
| 6641 |
} |
| 6642 |
} |
| 6643 |
opn = "movn.d";
|
| 6644 |
break;
|
| 6645 |
case FOP(21, 17): |
| 6646 |
check_cp1_64bitmode(ctx); |
| 6647 |
{
|
| 6648 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6649 |
|
| 6650 |
gen_load_fpr64(ctx, fp0, fs); |
| 6651 |
gen_helper_float_recip_d(fp0, fp0); |
| 6652 |
gen_store_fpr64(ctx, fp0, fd); |
| 6653 |
tcg_temp_free_i64(fp0); |
| 6654 |
} |
| 6655 |
opn = "recip.d";
|
| 6656 |
break;
|
| 6657 |
case FOP(22, 17): |
| 6658 |
check_cp1_64bitmode(ctx); |
| 6659 |
{
|
| 6660 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6661 |
|
| 6662 |
gen_load_fpr64(ctx, fp0, fs); |
| 6663 |
gen_helper_float_rsqrt_d(fp0, fp0); |
| 6664 |
gen_store_fpr64(ctx, fp0, fd); |
| 6665 |
tcg_temp_free_i64(fp0); |
| 6666 |
} |
| 6667 |
opn = "rsqrt.d";
|
| 6668 |
break;
|
| 6669 |
case FOP(28, 17): |
| 6670 |
check_cp1_64bitmode(ctx); |
| 6671 |
{
|
| 6672 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6673 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6674 |
|
| 6675 |
gen_load_fpr64(ctx, fp0, fs); |
| 6676 |
gen_load_fpr64(ctx, fp1, ft); |
| 6677 |
gen_helper_float_recip2_d(fp0, fp0, fp1); |
| 6678 |
tcg_temp_free_i64(fp1); |
| 6679 |
gen_store_fpr64(ctx, fp0, fd); |
| 6680 |
tcg_temp_free_i64(fp0); |
| 6681 |
} |
| 6682 |
opn = "recip2.d";
|
| 6683 |
break;
|
| 6684 |
case FOP(29, 17): |
| 6685 |
check_cp1_64bitmode(ctx); |
| 6686 |
{
|
| 6687 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6688 |
|
| 6689 |
gen_load_fpr64(ctx, fp0, fs); |
| 6690 |
gen_helper_float_recip1_d(fp0, fp0); |
| 6691 |
gen_store_fpr64(ctx, fp0, fd); |
| 6692 |
tcg_temp_free_i64(fp0); |
| 6693 |
} |
| 6694 |
opn = "recip1.d";
|
| 6695 |
break;
|
| 6696 |
case FOP(30, 17): |
| 6697 |
check_cp1_64bitmode(ctx); |
| 6698 |
{
|
| 6699 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6700 |
|
| 6701 |
gen_load_fpr64(ctx, fp0, fs); |
| 6702 |
gen_helper_float_rsqrt1_d(fp0, fp0); |
| 6703 |
gen_store_fpr64(ctx, fp0, fd); |
| 6704 |
tcg_temp_free_i64(fp0); |
| 6705 |
} |
| 6706 |
opn = "rsqrt1.d";
|
| 6707 |
break;
|
| 6708 |
case FOP(31, 17): |
| 6709 |
check_cp1_64bitmode(ctx); |
| 6710 |
{
|
| 6711 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6712 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6713 |
|
| 6714 |
gen_load_fpr64(ctx, fp0, fs); |
| 6715 |
gen_load_fpr64(ctx, fp1, ft); |
| 6716 |
gen_helper_float_rsqrt2_d(fp0, fp0, fp1); |
| 6717 |
tcg_temp_free_i64(fp1); |
| 6718 |
gen_store_fpr64(ctx, fp0, fd); |
| 6719 |
tcg_temp_free_i64(fp0); |
| 6720 |
} |
| 6721 |
opn = "rsqrt2.d";
|
| 6722 |
break;
|
| 6723 |
case FOP(48, 17): |
| 6724 |
case FOP(49, 17): |
| 6725 |
case FOP(50, 17): |
| 6726 |
case FOP(51, 17): |
| 6727 |
case FOP(52, 17): |
| 6728 |
case FOP(53, 17): |
| 6729 |
case FOP(54, 17): |
| 6730 |
case FOP(55, 17): |
| 6731 |
case FOP(56, 17): |
| 6732 |
case FOP(57, 17): |
| 6733 |
case FOP(58, 17): |
| 6734 |
case FOP(59, 17): |
| 6735 |
case FOP(60, 17): |
| 6736 |
case FOP(61, 17): |
| 6737 |
case FOP(62, 17): |
| 6738 |
case FOP(63, 17): |
| 6739 |
{
|
| 6740 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6741 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6742 |
|
| 6743 |
gen_load_fpr64(ctx, fp0, fs); |
| 6744 |
gen_load_fpr64(ctx, fp1, ft); |
| 6745 |
if (ctx->opcode & (1 << 6)) { |
| 6746 |
check_cop1x(ctx); |
| 6747 |
check_cp1_registers(ctx, fs | ft); |
| 6748 |
gen_cmpabs_d(func-48, fp0, fp1, cc);
|
| 6749 |
opn = condnames_abs[func-48];
|
| 6750 |
} else {
|
| 6751 |
check_cp1_registers(ctx, fs | ft); |
| 6752 |
gen_cmp_d(func-48, fp0, fp1, cc);
|
| 6753 |
opn = condnames[func-48];
|
| 6754 |
} |
| 6755 |
tcg_temp_free_i64(fp0); |
| 6756 |
tcg_temp_free_i64(fp1); |
| 6757 |
} |
| 6758 |
break;
|
| 6759 |
case FOP(32, 17): |
| 6760 |
check_cp1_registers(ctx, fs); |
| 6761 |
{
|
| 6762 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6763 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6764 |
|
| 6765 |
gen_load_fpr64(ctx, fp64, fs); |
| 6766 |
gen_helper_float_cvts_d(fp32, fp64); |
| 6767 |
tcg_temp_free_i64(fp64); |
| 6768 |
gen_store_fpr32(fp32, fd); |
| 6769 |
tcg_temp_free_i32(fp32); |
| 6770 |
} |
| 6771 |
opn = "cvt.s.d";
|
| 6772 |
break;
|
| 6773 |
case FOP(36, 17): |
| 6774 |
check_cp1_registers(ctx, fs); |
| 6775 |
{
|
| 6776 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6777 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6778 |
|
| 6779 |
gen_load_fpr64(ctx, fp64, fs); |
| 6780 |
gen_helper_float_cvtw_d(fp32, fp64); |
| 6781 |
tcg_temp_free_i64(fp64); |
| 6782 |
gen_store_fpr32(fp32, fd); |
| 6783 |
tcg_temp_free_i32(fp32); |
| 6784 |
} |
| 6785 |
opn = "cvt.w.d";
|
| 6786 |
break;
|
| 6787 |
case FOP(37, 17): |
| 6788 |
check_cp1_64bitmode(ctx); |
| 6789 |
{
|
| 6790 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6791 |
|
| 6792 |
gen_load_fpr64(ctx, fp0, fs); |
| 6793 |
gen_helper_float_cvtl_d(fp0, fp0); |
| 6794 |
gen_store_fpr64(ctx, fp0, fd); |
| 6795 |
tcg_temp_free_i64(fp0); |
| 6796 |
} |
| 6797 |
opn = "cvt.l.d";
|
| 6798 |
break;
|
| 6799 |
case FOP(32, 20): |
| 6800 |
{
|
| 6801 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 6802 |
|
| 6803 |
gen_load_fpr32(fp0, fs); |
| 6804 |
gen_helper_float_cvts_w(fp0, fp0); |
| 6805 |
gen_store_fpr32(fp0, fd); |
| 6806 |
tcg_temp_free_i32(fp0); |
| 6807 |
} |
| 6808 |
opn = "cvt.s.w";
|
| 6809 |
break;
|
| 6810 |
case FOP(33, 20): |
| 6811 |
check_cp1_registers(ctx, fd); |
| 6812 |
{
|
| 6813 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6814 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6815 |
|
| 6816 |
gen_load_fpr32(fp32, fs); |
| 6817 |
gen_helper_float_cvtd_w(fp64, fp32); |
| 6818 |
tcg_temp_free_i32(fp32); |
| 6819 |
gen_store_fpr64(ctx, fp64, fd); |
| 6820 |
tcg_temp_free_i64(fp64); |
| 6821 |
} |
| 6822 |
opn = "cvt.d.w";
|
| 6823 |
break;
|
| 6824 |
case FOP(32, 21): |
| 6825 |
check_cp1_64bitmode(ctx); |
| 6826 |
{
|
| 6827 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
| 6828 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
| 6829 |
|
| 6830 |
gen_load_fpr64(ctx, fp64, fs); |
| 6831 |
gen_helper_float_cvts_l(fp32, fp64); |
| 6832 |
tcg_temp_free_i64(fp64); |
| 6833 |
gen_store_fpr32(fp32, fd); |
| 6834 |
tcg_temp_free_i32(fp32); |
| 6835 |
} |
| 6836 |
opn = "cvt.s.l";
|
| 6837 |
break;
|
| 6838 |
case FOP(33, 21): |
| 6839 |
check_cp1_64bitmode(ctx); |
| 6840 |
{
|
| 6841 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6842 |
|
| 6843 |
gen_load_fpr64(ctx, fp0, fs); |
| 6844 |
gen_helper_float_cvtd_l(fp0, fp0); |
| 6845 |
gen_store_fpr64(ctx, fp0, fd); |
| 6846 |
tcg_temp_free_i64(fp0); |
| 6847 |
} |
| 6848 |
opn = "cvt.d.l";
|
| 6849 |
break;
|
| 6850 |
case FOP(38, 20): |
| 6851 |
check_cp1_64bitmode(ctx); |
| 6852 |
{
|
| 6853 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6854 |
|
| 6855 |
gen_load_fpr64(ctx, fp0, fs); |
| 6856 |
gen_helper_float_cvtps_pw(fp0, fp0); |
| 6857 |
gen_store_fpr64(ctx, fp0, fd); |
| 6858 |
tcg_temp_free_i64(fp0); |
| 6859 |
} |
| 6860 |
opn = "cvt.ps.pw";
|
| 6861 |
break;
|
| 6862 |
case FOP(0, 22): |
| 6863 |
check_cp1_64bitmode(ctx); |
| 6864 |
{
|
| 6865 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6866 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6867 |
|
| 6868 |
gen_load_fpr64(ctx, fp0, fs); |
| 6869 |
gen_load_fpr64(ctx, fp1, ft); |
| 6870 |
gen_helper_float_add_ps(fp0, fp0, fp1); |
| 6871 |
tcg_temp_free_i64(fp1); |
| 6872 |
gen_store_fpr64(ctx, fp0, fd); |
| 6873 |
tcg_temp_free_i64(fp0); |
| 6874 |
} |
| 6875 |
opn = "add.ps";
|
| 6876 |
break;
|
| 6877 |
case FOP(1, 22): |
| 6878 |
check_cp1_64bitmode(ctx); |
| 6879 |
{
|
| 6880 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6881 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6882 |
|
| 6883 |
gen_load_fpr64(ctx, fp0, fs); |
| 6884 |
gen_load_fpr64(ctx, fp1, ft); |
| 6885 |
gen_helper_float_sub_ps(fp0, fp0, fp1); |
| 6886 |
tcg_temp_free_i64(fp1); |
| 6887 |
gen_store_fpr64(ctx, fp0, fd); |
| 6888 |
tcg_temp_free_i64(fp0); |
| 6889 |
} |
| 6890 |
opn = "sub.ps";
|
| 6891 |
break;
|
| 6892 |
case FOP(2, 22): |
| 6893 |
check_cp1_64bitmode(ctx); |
| 6894 |
{
|
| 6895 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6896 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6897 |
|
| 6898 |
gen_load_fpr64(ctx, fp0, fs); |
| 6899 |
gen_load_fpr64(ctx, fp1, ft); |
| 6900 |
gen_helper_float_mul_ps(fp0, fp0, fp1); |
| 6901 |
tcg_temp_free_i64(fp1); |
| 6902 |
gen_store_fpr64(ctx, fp0, fd); |
| 6903 |
tcg_temp_free_i64(fp0); |
| 6904 |
} |
| 6905 |
opn = "mul.ps";
|
| 6906 |
break;
|
| 6907 |
case FOP(5, 22): |
| 6908 |
check_cp1_64bitmode(ctx); |
| 6909 |
{
|
| 6910 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6911 |
|
| 6912 |
gen_load_fpr64(ctx, fp0, fs); |
| 6913 |
gen_helper_float_abs_ps(fp0, fp0); |
| 6914 |
gen_store_fpr64(ctx, fp0, fd); |
| 6915 |
tcg_temp_free_i64(fp0); |
| 6916 |
} |
| 6917 |
opn = "abs.ps";
|
| 6918 |
break;
|
| 6919 |
case FOP(6, 22): |
| 6920 |
check_cp1_64bitmode(ctx); |
| 6921 |
{
|
| 6922 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6923 |
|
| 6924 |
gen_load_fpr64(ctx, fp0, fs); |
| 6925 |
gen_store_fpr64(ctx, fp0, fd); |
| 6926 |
tcg_temp_free_i64(fp0); |
| 6927 |
} |
| 6928 |
opn = "mov.ps";
|
| 6929 |
break;
|
| 6930 |
case FOP(7, 22): |
| 6931 |
check_cp1_64bitmode(ctx); |
| 6932 |
{
|
| 6933 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6934 |
|
| 6935 |
gen_load_fpr64(ctx, fp0, fs); |
| 6936 |
gen_helper_float_chs_ps(fp0, fp0); |
| 6937 |
gen_store_fpr64(ctx, fp0, fd); |
| 6938 |
tcg_temp_free_i64(fp0); |
| 6939 |
} |
| 6940 |
opn = "neg.ps";
|
| 6941 |
break;
|
| 6942 |
case FOP(17, 22): |
| 6943 |
check_cp1_64bitmode(ctx); |
| 6944 |
gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
| 6945 |
opn = "movcf.ps";
|
| 6946 |
break;
|
| 6947 |
case FOP(18, 22): |
| 6948 |
check_cp1_64bitmode(ctx); |
| 6949 |
{
|
| 6950 |
int l1 = gen_new_label();
|
| 6951 |
TCGv_i64 fp0; |
| 6952 |
|
| 6953 |
if (ft != 0) |
| 6954 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
| 6955 |
fp0 = tcg_temp_new_i64(); |
| 6956 |
gen_load_fpr64(ctx, fp0, fs); |
| 6957 |
gen_store_fpr64(ctx, fp0, fd); |
| 6958 |
tcg_temp_free_i64(fp0); |
| 6959 |
gen_set_label(l1); |
| 6960 |
} |
| 6961 |
opn = "movz.ps";
|
| 6962 |
break;
|
| 6963 |
case FOP(19, 22): |
| 6964 |
check_cp1_64bitmode(ctx); |
| 6965 |
{
|
| 6966 |
int l1 = gen_new_label();
|
| 6967 |
TCGv_i64 fp0; |
| 6968 |
|
| 6969 |
if (ft != 0) { |
| 6970 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
| 6971 |
fp0 = tcg_temp_new_i64(); |
| 6972 |
gen_load_fpr64(ctx, fp0, fs); |
| 6973 |
gen_store_fpr64(ctx, fp0, fd); |
| 6974 |
tcg_temp_free_i64(fp0); |
| 6975 |
gen_set_label(l1); |
| 6976 |
} |
| 6977 |
} |
| 6978 |
opn = "movn.ps";
|
| 6979 |
break;
|
| 6980 |
case FOP(24, 22): |
| 6981 |
check_cp1_64bitmode(ctx); |
| 6982 |
{
|
| 6983 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6984 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 6985 |
|
| 6986 |
gen_load_fpr64(ctx, fp0, ft); |
| 6987 |
gen_load_fpr64(ctx, fp1, fs); |
| 6988 |
gen_helper_float_addr_ps(fp0, fp0, fp1); |
| 6989 |
tcg_temp_free_i64(fp1); |
| 6990 |
gen_store_fpr64(ctx, fp0, fd); |
| 6991 |
tcg_temp_free_i64(fp0); |
| 6992 |
} |
| 6993 |
opn = "addr.ps";
|
| 6994 |
break;
|
| 6995 |
case FOP(26, 22): |
| 6996 |
check_cp1_64bitmode(ctx); |
| 6997 |
{
|
| 6998 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 6999 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7000 |
|
| 7001 |
gen_load_fpr64(ctx, fp0, ft); |
| 7002 |
gen_load_fpr64(ctx, fp1, fs); |
| 7003 |
gen_helper_float_mulr_ps(fp0, fp0, fp1); |
| 7004 |
tcg_temp_free_i64(fp1); |
| 7005 |
gen_store_fpr64(ctx, fp0, fd); |
| 7006 |
tcg_temp_free_i64(fp0); |
| 7007 |
} |
| 7008 |
opn = "mulr.ps";
|
| 7009 |
break;
|
| 7010 |
case FOP(28, 22): |
| 7011 |
check_cp1_64bitmode(ctx); |
| 7012 |
{
|
| 7013 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7014 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7015 |
|
| 7016 |
gen_load_fpr64(ctx, fp0, fs); |
| 7017 |
gen_load_fpr64(ctx, fp1, fd); |
| 7018 |
gen_helper_float_recip2_ps(fp0, fp0, fp1); |
| 7019 |
tcg_temp_free_i64(fp1); |
| 7020 |
gen_store_fpr64(ctx, fp0, fd); |
| 7021 |
tcg_temp_free_i64(fp0); |
| 7022 |
} |
| 7023 |
opn = "recip2.ps";
|
| 7024 |
break;
|
| 7025 |
case FOP(29, 22): |
| 7026 |
check_cp1_64bitmode(ctx); |
| 7027 |
{
|
| 7028 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7029 |
|
| 7030 |
gen_load_fpr64(ctx, fp0, fs); |
| 7031 |
gen_helper_float_recip1_ps(fp0, fp0); |
| 7032 |
gen_store_fpr64(ctx, fp0, fd); |
| 7033 |
tcg_temp_free_i64(fp0); |
| 7034 |
} |
| 7035 |
opn = "recip1.ps";
|
| 7036 |
break;
|
| 7037 |
case FOP(30, 22): |
| 7038 |
check_cp1_64bitmode(ctx); |
| 7039 |
{
|
| 7040 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7041 |
|
| 7042 |
gen_load_fpr64(ctx, fp0, fs); |
| 7043 |
gen_helper_float_rsqrt1_ps(fp0, fp0); |
| 7044 |
gen_store_fpr64(ctx, fp0, fd); |
| 7045 |
tcg_temp_free_i64(fp0); |
| 7046 |
} |
| 7047 |
opn = "rsqrt1.ps";
|
| 7048 |
break;
|
| 7049 |
case FOP(31, 22): |
| 7050 |
check_cp1_64bitmode(ctx); |
| 7051 |
{
|
| 7052 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7053 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7054 |
|
| 7055 |
gen_load_fpr64(ctx, fp0, fs); |
| 7056 |
gen_load_fpr64(ctx, fp1, ft); |
| 7057 |
gen_helper_float_rsqrt2_ps(fp0, fp0, fp1); |
| 7058 |
tcg_temp_free_i64(fp1); |
| 7059 |
gen_store_fpr64(ctx, fp0, fd); |
| 7060 |
tcg_temp_free_i64(fp0); |
| 7061 |
} |
| 7062 |
opn = "rsqrt2.ps";
|
| 7063 |
break;
|
| 7064 |
case FOP(32, 22): |
| 7065 |
check_cp1_64bitmode(ctx); |
| 7066 |
{
|
| 7067 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7068 |
|
| 7069 |
gen_load_fpr32h(fp0, fs); |
| 7070 |
gen_helper_float_cvts_pu(fp0, fp0); |
| 7071 |
gen_store_fpr32(fp0, fd); |
| 7072 |
tcg_temp_free_i32(fp0); |
| 7073 |
} |
| 7074 |
opn = "cvt.s.pu";
|
| 7075 |
break;
|
| 7076 |
case FOP(36, 22): |
| 7077 |
check_cp1_64bitmode(ctx); |
| 7078 |
{
|
| 7079 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7080 |
|
| 7081 |
gen_load_fpr64(ctx, fp0, fs); |
| 7082 |
gen_helper_float_cvtpw_ps(fp0, fp0); |
| 7083 |
gen_store_fpr64(ctx, fp0, fd); |
| 7084 |
tcg_temp_free_i64(fp0); |
| 7085 |
} |
| 7086 |
opn = "cvt.pw.ps";
|
| 7087 |
break;
|
| 7088 |
case FOP(40, 22): |
| 7089 |
check_cp1_64bitmode(ctx); |
| 7090 |
{
|
| 7091 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7092 |
|
| 7093 |
gen_load_fpr32(fp0, fs); |
| 7094 |
gen_helper_float_cvts_pl(fp0, fp0); |
| 7095 |
gen_store_fpr32(fp0, fd); |
| 7096 |
tcg_temp_free_i32(fp0); |
| 7097 |
} |
| 7098 |
opn = "cvt.s.pl";
|
| 7099 |
break;
|
| 7100 |
case FOP(44, 22): |
| 7101 |
check_cp1_64bitmode(ctx); |
| 7102 |
{
|
| 7103 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7104 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7105 |
|
| 7106 |
gen_load_fpr32(fp0, fs); |
| 7107 |
gen_load_fpr32(fp1, ft); |
| 7108 |
gen_store_fpr32h(fp0, fd); |
| 7109 |
gen_store_fpr32(fp1, fd); |
| 7110 |
tcg_temp_free_i32(fp0); |
| 7111 |
tcg_temp_free_i32(fp1); |
| 7112 |
} |
| 7113 |
opn = "pll.ps";
|
| 7114 |
break;
|
| 7115 |
case FOP(45, 22): |
| 7116 |
check_cp1_64bitmode(ctx); |
| 7117 |
{
|
| 7118 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7119 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7120 |
|
| 7121 |
gen_load_fpr32(fp0, fs); |
| 7122 |
gen_load_fpr32h(fp1, ft); |
| 7123 |
gen_store_fpr32(fp1, fd); |
| 7124 |
gen_store_fpr32h(fp0, fd); |
| 7125 |
tcg_temp_free_i32(fp0); |
| 7126 |
tcg_temp_free_i32(fp1); |
| 7127 |
} |
| 7128 |
opn = "plu.ps";
|
| 7129 |
break;
|
| 7130 |
case FOP(46, 22): |
| 7131 |
check_cp1_64bitmode(ctx); |
| 7132 |
{
|
| 7133 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7134 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7135 |
|
| 7136 |
gen_load_fpr32h(fp0, fs); |
| 7137 |
gen_load_fpr32(fp1, ft); |
| 7138 |
gen_store_fpr32(fp1, fd); |
| 7139 |
gen_store_fpr32h(fp0, fd); |
| 7140 |
tcg_temp_free_i32(fp0); |
| 7141 |
tcg_temp_free_i32(fp1); |
| 7142 |
} |
| 7143 |
opn = "pul.ps";
|
| 7144 |
break;
|
| 7145 |
case FOP(47, 22): |
| 7146 |
check_cp1_64bitmode(ctx); |
| 7147 |
{
|
| 7148 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7149 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7150 |
|
| 7151 |
gen_load_fpr32h(fp0, fs); |
| 7152 |
gen_load_fpr32h(fp1, ft); |
| 7153 |
gen_store_fpr32(fp1, fd); |
| 7154 |
gen_store_fpr32h(fp0, fd); |
| 7155 |
tcg_temp_free_i32(fp0); |
| 7156 |
tcg_temp_free_i32(fp1); |
| 7157 |
} |
| 7158 |
opn = "puu.ps";
|
| 7159 |
break;
|
| 7160 |
case FOP(48, 22): |
| 7161 |
case FOP(49, 22): |
| 7162 |
case FOP(50, 22): |
| 7163 |
case FOP(51, 22): |
| 7164 |
case FOP(52, 22): |
| 7165 |
case FOP(53, 22): |
| 7166 |
case FOP(54, 22): |
| 7167 |
case FOP(55, 22): |
| 7168 |
case FOP(56, 22): |
| 7169 |
case FOP(57, 22): |
| 7170 |
case FOP(58, 22): |
| 7171 |
case FOP(59, 22): |
| 7172 |
case FOP(60, 22): |
| 7173 |
case FOP(61, 22): |
| 7174 |
case FOP(62, 22): |
| 7175 |
case FOP(63, 22): |
| 7176 |
check_cp1_64bitmode(ctx); |
| 7177 |
{
|
| 7178 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7179 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7180 |
|
| 7181 |
gen_load_fpr64(ctx, fp0, fs); |
| 7182 |
gen_load_fpr64(ctx, fp1, ft); |
| 7183 |
if (ctx->opcode & (1 << 6)) { |
| 7184 |
gen_cmpabs_ps(func-48, fp0, fp1, cc);
|
| 7185 |
opn = condnames_abs[func-48];
|
| 7186 |
} else {
|
| 7187 |
gen_cmp_ps(func-48, fp0, fp1, cc);
|
| 7188 |
opn = condnames[func-48];
|
| 7189 |
} |
| 7190 |
tcg_temp_free_i64(fp0); |
| 7191 |
tcg_temp_free_i64(fp1); |
| 7192 |
} |
| 7193 |
break;
|
| 7194 |
default:
|
| 7195 |
MIPS_INVAL(opn); |
| 7196 |
generate_exception (ctx, EXCP_RI); |
| 7197 |
return;
|
| 7198 |
} |
| 7199 |
switch (optype) {
|
| 7200 |
case BINOP:
|
| 7201 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
| 7202 |
break;
|
| 7203 |
case CMPOP:
|
| 7204 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
| 7205 |
break;
|
| 7206 |
default:
|
| 7207 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
| 7208 |
break;
|
| 7209 |
} |
| 7210 |
} |
| 7211 |
|
| 7212 |
/* Coprocessor 3 (FPU) */
|
| 7213 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
| 7214 |
int fd, int fs, int base, int index) |
| 7215 |
{
|
| 7216 |
const char *opn = "extended float load/store"; |
| 7217 |
int store = 0; |
| 7218 |
TCGv t0 = tcg_temp_new(); |
| 7219 |
|
| 7220 |
if (base == 0) { |
| 7221 |
gen_load_gpr(t0, index); |
| 7222 |
} else if (index == 0) { |
| 7223 |
gen_load_gpr(t0, base); |
| 7224 |
} else {
|
| 7225 |
gen_load_gpr(t0, index); |
| 7226 |
gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
| 7227 |
} |
| 7228 |
/* Don't do NOP if destination is zero: we must perform the actual
|
| 7229 |
memory access. */
|
| 7230 |
save_cpu_state(ctx, 0);
|
| 7231 |
switch (opc) {
|
| 7232 |
case OPC_LWXC1:
|
| 7233 |
check_cop1x(ctx); |
| 7234 |
{
|
| 7235 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7236 |
|
| 7237 |
tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
| 7238 |
tcg_gen_trunc_tl_i32(fp0, t0); |
| 7239 |
gen_store_fpr32(fp0, fd); |
| 7240 |
tcg_temp_free_i32(fp0); |
| 7241 |
} |
| 7242 |
opn = "lwxc1";
|
| 7243 |
break;
|
| 7244 |
case OPC_LDXC1:
|
| 7245 |
check_cop1x(ctx); |
| 7246 |
check_cp1_registers(ctx, fd); |
| 7247 |
{
|
| 7248 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7249 |
|
| 7250 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
| 7251 |
gen_store_fpr64(ctx, fp0, fd); |
| 7252 |
tcg_temp_free_i64(fp0); |
| 7253 |
} |
| 7254 |
opn = "ldxc1";
|
| 7255 |
break;
|
| 7256 |
case OPC_LUXC1:
|
| 7257 |
check_cp1_64bitmode(ctx); |
| 7258 |
tcg_gen_andi_tl(t0, t0, ~0x7);
|
| 7259 |
{
|
| 7260 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7261 |
|
| 7262 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
| 7263 |
gen_store_fpr64(ctx, fp0, fd); |
| 7264 |
tcg_temp_free_i64(fp0); |
| 7265 |
} |
| 7266 |
opn = "luxc1";
|
| 7267 |
break;
|
| 7268 |
case OPC_SWXC1:
|
| 7269 |
check_cop1x(ctx); |
| 7270 |
{
|
| 7271 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7272 |
TCGv t1 = tcg_temp_new(); |
| 7273 |
|
| 7274 |
gen_load_fpr32(fp0, fs); |
| 7275 |
tcg_gen_extu_i32_tl(t1, fp0); |
| 7276 |
tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
| 7277 |
tcg_temp_free_i32(fp0); |
| 7278 |
tcg_temp_free(t1); |
| 7279 |
} |
| 7280 |
opn = "swxc1";
|
| 7281 |
store = 1;
|
| 7282 |
break;
|
| 7283 |
case OPC_SDXC1:
|
| 7284 |
check_cop1x(ctx); |
| 7285 |
check_cp1_registers(ctx, fs); |
| 7286 |
{
|
| 7287 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7288 |
|
| 7289 |
gen_load_fpr64(ctx, fp0, fs); |
| 7290 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
| 7291 |
tcg_temp_free_i64(fp0); |
| 7292 |
} |
| 7293 |
opn = "sdxc1";
|
| 7294 |
store = 1;
|
| 7295 |
break;
|
| 7296 |
case OPC_SUXC1:
|
| 7297 |
check_cp1_64bitmode(ctx); |
| 7298 |
tcg_gen_andi_tl(t0, t0, ~0x7);
|
| 7299 |
{
|
| 7300 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7301 |
|
| 7302 |
gen_load_fpr64(ctx, fp0, fs); |
| 7303 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
| 7304 |
tcg_temp_free_i64(fp0); |
| 7305 |
} |
| 7306 |
opn = "suxc1";
|
| 7307 |
store = 1;
|
| 7308 |
break;
|
| 7309 |
} |
| 7310 |
tcg_temp_free(t0); |
| 7311 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
| 7312 |
regnames[index], regnames[base]); |
| 7313 |
} |
| 7314 |
|
| 7315 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
| 7316 |
int fd, int fr, int fs, int ft) |
| 7317 |
{
|
| 7318 |
const char *opn = "flt3_arith"; |
| 7319 |
|
| 7320 |
switch (opc) {
|
| 7321 |
case OPC_ALNV_PS:
|
| 7322 |
check_cp1_64bitmode(ctx); |
| 7323 |
{
|
| 7324 |
TCGv t0 = tcg_temp_local_new(); |
| 7325 |
TCGv_i32 fp = tcg_temp_new_i32(); |
| 7326 |
TCGv_i32 fph = tcg_temp_new_i32(); |
| 7327 |
int l1 = gen_new_label();
|
| 7328 |
int l2 = gen_new_label();
|
| 7329 |
|
| 7330 |
gen_load_gpr(t0, fr); |
| 7331 |
tcg_gen_andi_tl(t0, t0, 0x7);
|
| 7332 |
|
| 7333 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
|
| 7334 |
gen_load_fpr32(fp, fs); |
| 7335 |
gen_load_fpr32h(fph, fs); |
| 7336 |
gen_store_fpr32(fp, fd); |
| 7337 |
gen_store_fpr32h(fph, fd); |
| 7338 |
tcg_gen_br(l2); |
| 7339 |
gen_set_label(l1); |
| 7340 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
|
| 7341 |
tcg_temp_free(t0); |
| 7342 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 7343 |
gen_load_fpr32(fp, fs); |
| 7344 |
gen_load_fpr32h(fph, ft); |
| 7345 |
gen_store_fpr32h(fp, fd); |
| 7346 |
gen_store_fpr32(fph, fd); |
| 7347 |
#else
|
| 7348 |
gen_load_fpr32h(fph, fs); |
| 7349 |
gen_load_fpr32(fp, ft); |
| 7350 |
gen_store_fpr32(fph, fd); |
| 7351 |
gen_store_fpr32h(fp, fd); |
| 7352 |
#endif
|
| 7353 |
gen_set_label(l2); |
| 7354 |
tcg_temp_free_i32(fp); |
| 7355 |
tcg_temp_free_i32(fph); |
| 7356 |
} |
| 7357 |
opn = "alnv.ps";
|
| 7358 |
break;
|
| 7359 |
case OPC_MADD_S:
|
| 7360 |
check_cop1x(ctx); |
| 7361 |
{
|
| 7362 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7363 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7364 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
| 7365 |
|
| 7366 |
gen_load_fpr32(fp0, fs); |
| 7367 |
gen_load_fpr32(fp1, ft); |
| 7368 |
gen_load_fpr32(fp2, fr); |
| 7369 |
gen_helper_float_muladd_s(fp2, fp0, fp1, fp2); |
| 7370 |
tcg_temp_free_i32(fp0); |
| 7371 |
tcg_temp_free_i32(fp1); |
| 7372 |
gen_store_fpr32(fp2, fd); |
| 7373 |
tcg_temp_free_i32(fp2); |
| 7374 |
} |
| 7375 |
opn = "madd.s";
|
| 7376 |
break;
|
| 7377 |
case OPC_MADD_D:
|
| 7378 |
check_cop1x(ctx); |
| 7379 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 7380 |
{
|
| 7381 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7382 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7383 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7384 |
|
| 7385 |
gen_load_fpr64(ctx, fp0, fs); |
| 7386 |
gen_load_fpr64(ctx, fp1, ft); |
| 7387 |
gen_load_fpr64(ctx, fp2, fr); |
| 7388 |
gen_helper_float_muladd_d(fp2, fp0, fp1, fp2); |
| 7389 |
tcg_temp_free_i64(fp0); |
| 7390 |
tcg_temp_free_i64(fp1); |
| 7391 |
gen_store_fpr64(ctx, fp2, fd); |
| 7392 |
tcg_temp_free_i64(fp2); |
| 7393 |
} |
| 7394 |
opn = "madd.d";
|
| 7395 |
break;
|
| 7396 |
case OPC_MADD_PS:
|
| 7397 |
check_cp1_64bitmode(ctx); |
| 7398 |
{
|
| 7399 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7400 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7401 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7402 |
|
| 7403 |
gen_load_fpr64(ctx, fp0, fs); |
| 7404 |
gen_load_fpr64(ctx, fp1, ft); |
| 7405 |
gen_load_fpr64(ctx, fp2, fr); |
| 7406 |
gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2); |
| 7407 |
tcg_temp_free_i64(fp0); |
| 7408 |
tcg_temp_free_i64(fp1); |
| 7409 |
gen_store_fpr64(ctx, fp2, fd); |
| 7410 |
tcg_temp_free_i64(fp2); |
| 7411 |
} |
| 7412 |
opn = "madd.ps";
|
| 7413 |
break;
|
| 7414 |
case OPC_MSUB_S:
|
| 7415 |
check_cop1x(ctx); |
| 7416 |
{
|
| 7417 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7418 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7419 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
| 7420 |
|
| 7421 |
gen_load_fpr32(fp0, fs); |
| 7422 |
gen_load_fpr32(fp1, ft); |
| 7423 |
gen_load_fpr32(fp2, fr); |
| 7424 |
gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2); |
| 7425 |
tcg_temp_free_i32(fp0); |
| 7426 |
tcg_temp_free_i32(fp1); |
| 7427 |
gen_store_fpr32(fp2, fd); |
| 7428 |
tcg_temp_free_i32(fp2); |
| 7429 |
} |
| 7430 |
opn = "msub.s";
|
| 7431 |
break;
|
| 7432 |
case OPC_MSUB_D:
|
| 7433 |
check_cop1x(ctx); |
| 7434 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 7435 |
{
|
| 7436 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7437 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7438 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7439 |
|
| 7440 |
gen_load_fpr64(ctx, fp0, fs); |
| 7441 |
gen_load_fpr64(ctx, fp1, ft); |
| 7442 |
gen_load_fpr64(ctx, fp2, fr); |
| 7443 |
gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2); |
| 7444 |
tcg_temp_free_i64(fp0); |
| 7445 |
tcg_temp_free_i64(fp1); |
| 7446 |
gen_store_fpr64(ctx, fp2, fd); |
| 7447 |
tcg_temp_free_i64(fp2); |
| 7448 |
} |
| 7449 |
opn = "msub.d";
|
| 7450 |
break;
|
| 7451 |
case OPC_MSUB_PS:
|
| 7452 |
check_cp1_64bitmode(ctx); |
| 7453 |
{
|
| 7454 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7455 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7456 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7457 |
|
| 7458 |
gen_load_fpr64(ctx, fp0, fs); |
| 7459 |
gen_load_fpr64(ctx, fp1, ft); |
| 7460 |
gen_load_fpr64(ctx, fp2, fr); |
| 7461 |
gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2); |
| 7462 |
tcg_temp_free_i64(fp0); |
| 7463 |
tcg_temp_free_i64(fp1); |
| 7464 |
gen_store_fpr64(ctx, fp2, fd); |
| 7465 |
tcg_temp_free_i64(fp2); |
| 7466 |
} |
| 7467 |
opn = "msub.ps";
|
| 7468 |
break;
|
| 7469 |
case OPC_NMADD_S:
|
| 7470 |
check_cop1x(ctx); |
| 7471 |
{
|
| 7472 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7473 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7474 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
| 7475 |
|
| 7476 |
gen_load_fpr32(fp0, fs); |
| 7477 |
gen_load_fpr32(fp1, ft); |
| 7478 |
gen_load_fpr32(fp2, fr); |
| 7479 |
gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2); |
| 7480 |
tcg_temp_free_i32(fp0); |
| 7481 |
tcg_temp_free_i32(fp1); |
| 7482 |
gen_store_fpr32(fp2, fd); |
| 7483 |
tcg_temp_free_i32(fp2); |
| 7484 |
} |
| 7485 |
opn = "nmadd.s";
|
| 7486 |
break;
|
| 7487 |
case OPC_NMADD_D:
|
| 7488 |
check_cop1x(ctx); |
| 7489 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 7490 |
{
|
| 7491 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7492 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7493 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7494 |
|
| 7495 |
gen_load_fpr64(ctx, fp0, fs); |
| 7496 |
gen_load_fpr64(ctx, fp1, ft); |
| 7497 |
gen_load_fpr64(ctx, fp2, fr); |
| 7498 |
gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2); |
| 7499 |
tcg_temp_free_i64(fp0); |
| 7500 |
tcg_temp_free_i64(fp1); |
| 7501 |
gen_store_fpr64(ctx, fp2, fd); |
| 7502 |
tcg_temp_free_i64(fp2); |
| 7503 |
} |
| 7504 |
opn = "nmadd.d";
|
| 7505 |
break;
|
| 7506 |
case OPC_NMADD_PS:
|
| 7507 |
check_cp1_64bitmode(ctx); |
| 7508 |
{
|
| 7509 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7510 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7511 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7512 |
|
| 7513 |
gen_load_fpr64(ctx, fp0, fs); |
| 7514 |
gen_load_fpr64(ctx, fp1, ft); |
| 7515 |
gen_load_fpr64(ctx, fp2, fr); |
| 7516 |
gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2); |
| 7517 |
tcg_temp_free_i64(fp0); |
| 7518 |
tcg_temp_free_i64(fp1); |
| 7519 |
gen_store_fpr64(ctx, fp2, fd); |
| 7520 |
tcg_temp_free_i64(fp2); |
| 7521 |
} |
| 7522 |
opn = "nmadd.ps";
|
| 7523 |
break;
|
| 7524 |
case OPC_NMSUB_S:
|
| 7525 |
check_cop1x(ctx); |
| 7526 |
{
|
| 7527 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
| 7528 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
| 7529 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
| 7530 |
|
| 7531 |
gen_load_fpr32(fp0, fs); |
| 7532 |
gen_load_fpr32(fp1, ft); |
| 7533 |
gen_load_fpr32(fp2, fr); |
| 7534 |
gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2); |
| 7535 |
tcg_temp_free_i32(fp0); |
| 7536 |
tcg_temp_free_i32(fp1); |
| 7537 |
gen_store_fpr32(fp2, fd); |
| 7538 |
tcg_temp_free_i32(fp2); |
| 7539 |
} |
| 7540 |
opn = "nmsub.s";
|
| 7541 |
break;
|
| 7542 |
case OPC_NMSUB_D:
|
| 7543 |
check_cop1x(ctx); |
| 7544 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 7545 |
{
|
| 7546 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7547 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7548 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7549 |
|
| 7550 |
gen_load_fpr64(ctx, fp0, fs); |
| 7551 |
gen_load_fpr64(ctx, fp1, ft); |
| 7552 |
gen_load_fpr64(ctx, fp2, fr); |
| 7553 |
gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2); |
| 7554 |
tcg_temp_free_i64(fp0); |
| 7555 |
tcg_temp_free_i64(fp1); |
| 7556 |
gen_store_fpr64(ctx, fp2, fd); |
| 7557 |
tcg_temp_free_i64(fp2); |
| 7558 |
} |
| 7559 |
opn = "nmsub.d";
|
| 7560 |
break;
|
| 7561 |
case OPC_NMSUB_PS:
|
| 7562 |
check_cp1_64bitmode(ctx); |
| 7563 |
{
|
| 7564 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
| 7565 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
| 7566 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
| 7567 |
|
| 7568 |
gen_load_fpr64(ctx, fp0, fs); |
| 7569 |
gen_load_fpr64(ctx, fp1, ft); |
| 7570 |
gen_load_fpr64(ctx, fp2, fr); |
| 7571 |
gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2); |
| 7572 |
tcg_temp_free_i64(fp0); |
| 7573 |
tcg_temp_free_i64(fp1); |
| 7574 |
gen_store_fpr64(ctx, fp2, fd); |
| 7575 |
tcg_temp_free_i64(fp2); |
| 7576 |
} |
| 7577 |
opn = "nmsub.ps";
|
| 7578 |
break;
|
| 7579 |
default:
|
| 7580 |
MIPS_INVAL(opn); |
| 7581 |
generate_exception (ctx, EXCP_RI); |
| 7582 |
return;
|
| 7583 |
} |
| 7584 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
| 7585 |
fregnames[fs], fregnames[ft]); |
| 7586 |
} |
| 7587 |
|
| 7588 |
static void handle_delay_slot (CPUState *env, DisasContext *ctx, |
| 7589 |
int insn_bytes)
|
| 7590 |
{
|
| 7591 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
| 7592 |
int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
| 7593 |
/* Branches completion */
|
| 7594 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
| 7595 |
ctx->bstate = BS_BRANCH; |
| 7596 |
save_cpu_state(ctx, 0);
|
| 7597 |
/* FIXME: Need to clear can_do_io. */
|
| 7598 |
switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
|
| 7599 |
case MIPS_HFLAG_B:
|
| 7600 |
/* unconditional branch */
|
| 7601 |
MIPS_DEBUG("unconditional branch");
|
| 7602 |
if (proc_hflags & MIPS_HFLAG_BX) {
|
| 7603 |
tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16); |
| 7604 |
} |
| 7605 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
| 7606 |
break;
|
| 7607 |
case MIPS_HFLAG_BL:
|
| 7608 |
/* blikely taken case */
|
| 7609 |
MIPS_DEBUG("blikely branch taken");
|
| 7610 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
| 7611 |
break;
|
| 7612 |
case MIPS_HFLAG_BC:
|
| 7613 |
/* Conditional branch */
|
| 7614 |
MIPS_DEBUG("conditional branch");
|
| 7615 |
{
|
| 7616 |
int l1 = gen_new_label();
|
| 7617 |
|
| 7618 |
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
|
| 7619 |
gen_goto_tb(ctx, 1, ctx->pc + insn_bytes);
|
| 7620 |
gen_set_label(l1); |
| 7621 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
| 7622 |
} |
| 7623 |
break;
|
| 7624 |
case MIPS_HFLAG_BR:
|
| 7625 |
/* unconditional branch to register */
|
| 7626 |
MIPS_DEBUG("branch to register");
|
| 7627 |
if (env->insn_flags & ASE_MIPS16) {
|
| 7628 |
TCGv t0 = tcg_temp_new(); |
| 7629 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
| 7630 |
|
| 7631 |
tcg_gen_andi_tl(t0, btarget, 0x1);
|
| 7632 |
tcg_gen_trunc_tl_i32(t1, t0); |
| 7633 |
tcg_temp_free(t0); |
| 7634 |
tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16); |
| 7635 |
tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT); |
| 7636 |
tcg_gen_or_i32(hflags, hflags, t1); |
| 7637 |
tcg_temp_free_i32(t1); |
| 7638 |
|
| 7639 |
tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
|
| 7640 |
} else {
|
| 7641 |
tcg_gen_mov_tl(cpu_PC, btarget); |
| 7642 |
} |
| 7643 |
if (ctx->singlestep_enabled) {
|
| 7644 |
save_cpu_state(ctx, 0);
|
| 7645 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
| 7646 |
} |
| 7647 |
tcg_gen_exit_tb(0);
|
| 7648 |
break;
|
| 7649 |
default:
|
| 7650 |
MIPS_DEBUG("unknown branch");
|
| 7651 |
break;
|
| 7652 |
} |
| 7653 |
} |
| 7654 |
} |
| 7655 |
|
| 7656 |
/* ISA extensions (ASEs) */
|
| 7657 |
/* MIPS16 extension to MIPS32 */
|
| 7658 |
|
| 7659 |
/* MIPS16 major opcodes */
|
| 7660 |
enum {
|
| 7661 |
M16_OPC_ADDIUSP = 0x00,
|
| 7662 |
M16_OPC_ADDIUPC = 0x01,
|
| 7663 |
M16_OPC_B = 0x02,
|
| 7664 |
M16_OPC_JAL = 0x03,
|
| 7665 |
M16_OPC_BEQZ = 0x04,
|
| 7666 |
M16_OPC_BNEQZ = 0x05,
|
| 7667 |
M16_OPC_SHIFT = 0x06,
|
| 7668 |
M16_OPC_LD = 0x07,
|
| 7669 |
M16_OPC_RRIA = 0x08,
|
| 7670 |
M16_OPC_ADDIU8 = 0x09,
|
| 7671 |
M16_OPC_SLTI = 0x0a,
|
| 7672 |
M16_OPC_SLTIU = 0x0b,
|
| 7673 |
M16_OPC_I8 = 0x0c,
|
| 7674 |
M16_OPC_LI = 0x0d,
|
| 7675 |
M16_OPC_CMPI = 0x0e,
|
| 7676 |
M16_OPC_SD = 0x0f,
|
| 7677 |
M16_OPC_LB = 0x10,
|
| 7678 |
M16_OPC_LH = 0x11,
|
| 7679 |
M16_OPC_LWSP = 0x12,
|
| 7680 |
M16_OPC_LW = 0x13,
|
| 7681 |
M16_OPC_LBU = 0x14,
|
| 7682 |
M16_OPC_LHU = 0x15,
|
| 7683 |
M16_OPC_LWPC = 0x16,
|
| 7684 |
M16_OPC_LWU = 0x17,
|
| 7685 |
M16_OPC_SB = 0x18,
|
| 7686 |
M16_OPC_SH = 0x19,
|
| 7687 |
M16_OPC_SWSP = 0x1a,
|
| 7688 |
M16_OPC_SW = 0x1b,
|
| 7689 |
M16_OPC_RRR = 0x1c,
|
| 7690 |
M16_OPC_RR = 0x1d,
|
| 7691 |
M16_OPC_EXTEND = 0x1e,
|
| 7692 |
M16_OPC_I64 = 0x1f
|
| 7693 |
}; |
| 7694 |
|
| 7695 |
/* I8 funct field */
|
| 7696 |
enum {
|
| 7697 |
I8_BTEQZ = 0x0,
|
| 7698 |
I8_BTNEZ = 0x1,
|
| 7699 |
I8_SWRASP = 0x2,
|
| 7700 |
I8_ADJSP = 0x3,
|
| 7701 |
I8_SVRS = 0x4,
|
| 7702 |
I8_MOV32R = 0x5,
|
| 7703 |
I8_MOVR32 = 0x7
|
| 7704 |
}; |
| 7705 |
|
| 7706 |
/* RRR f field */
|
| 7707 |
enum {
|
| 7708 |
RRR_DADDU = 0x0,
|
| 7709 |
RRR_ADDU = 0x1,
|
| 7710 |
RRR_DSUBU = 0x2,
|
| 7711 |
RRR_SUBU = 0x3
|
| 7712 |
}; |
| 7713 |
|
| 7714 |
/* RR funct field */
|
| 7715 |
enum {
|
| 7716 |
RR_JR = 0x00,
|
| 7717 |
RR_SDBBP = 0x01,
|
| 7718 |
RR_SLT = 0x02,
|
| 7719 |
RR_SLTU = 0x03,
|
| 7720 |
RR_SLLV = 0x04,
|
| 7721 |
RR_BREAK = 0x05,
|
| 7722 |
RR_SRLV = 0x06,
|
| 7723 |
RR_SRAV = 0x07,
|
| 7724 |
RR_DSRL = 0x08,
|
| 7725 |
RR_CMP = 0x0a,
|
| 7726 |
RR_NEG = 0x0b,
|
| 7727 |
RR_AND = 0x0c,
|
| 7728 |
RR_OR = 0x0d,
|
| 7729 |
RR_XOR = 0x0e,
|
| 7730 |
RR_NOT = 0x0f,
|
| 7731 |
RR_MFHI = 0x10,
|
| 7732 |
RR_CNVT = 0x11,
|
| 7733 |
RR_MFLO = 0x12,
|
| 7734 |
RR_DSRA = 0x13,
|
| 7735 |
RR_DSLLV = 0x14,
|
| 7736 |
RR_DSRLV = 0x16,
|
| 7737 |
RR_DSRAV = 0x17,
|
| 7738 |
RR_MULT = 0x18,
|
| 7739 |
RR_MULTU = 0x19,
|
| 7740 |
RR_DIV = 0x1a,
|
| 7741 |
RR_DIVU = 0x1b,
|
| 7742 |
RR_DMULT = 0x1c,
|
| 7743 |
RR_DMULTU = 0x1d,
|
| 7744 |
RR_DDIV = 0x1e,
|
| 7745 |
RR_DDIVU = 0x1f
|
| 7746 |
}; |
| 7747 |
|
| 7748 |
/* I64 funct field */
|
| 7749 |
enum {
|
| 7750 |
I64_LDSP = 0x0,
|
| 7751 |
I64_SDSP = 0x1,
|
| 7752 |
I64_SDRASP = 0x2,
|
| 7753 |
I64_DADJSP = 0x3,
|
| 7754 |
I64_LDPC = 0x4,
|
| 7755 |
I64_DADDIU5 = 0x5,
|
| 7756 |
I64_DADDIUPC = 0x6,
|
| 7757 |
I64_DADDIUSP = 0x7
|
| 7758 |
}; |
| 7759 |
|
| 7760 |
/* RR ry field for CNVT */
|
| 7761 |
enum {
|
| 7762 |
RR_RY_CNVT_ZEB = 0x0,
|
| 7763 |
RR_RY_CNVT_ZEH = 0x1,
|
| 7764 |
RR_RY_CNVT_ZEW = 0x2,
|
| 7765 |
RR_RY_CNVT_SEB = 0x4,
|
| 7766 |
RR_RY_CNVT_SEH = 0x5,
|
| 7767 |
RR_RY_CNVT_SEW = 0x6,
|
| 7768 |
}; |
| 7769 |
|
| 7770 |
static int xlat (int r) |
| 7771 |
{
|
| 7772 |
static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 }; |
| 7773 |
|
| 7774 |
return map[r];
|
| 7775 |
} |
| 7776 |
|
| 7777 |
static void gen_mips16_save (DisasContext *ctx, |
| 7778 |
int xsregs, int aregs, |
| 7779 |
int do_ra, int do_s0, int do_s1, |
| 7780 |
int framesize)
|
| 7781 |
{
|
| 7782 |
TCGv t0 = tcg_temp_new(); |
| 7783 |
TCGv t1 = tcg_temp_new(); |
| 7784 |
int args, astatic;
|
| 7785 |
|
| 7786 |
switch (aregs) {
|
| 7787 |
case 0: |
| 7788 |
case 1: |
| 7789 |
case 2: |
| 7790 |
case 3: |
| 7791 |
case 11: |
| 7792 |
args = 0;
|
| 7793 |
break;
|
| 7794 |
case 4: |
| 7795 |
case 5: |
| 7796 |
case 6: |
| 7797 |
case 7: |
| 7798 |
args = 1;
|
| 7799 |
break;
|
| 7800 |
case 8: |
| 7801 |
case 9: |
| 7802 |
case 10: |
| 7803 |
args = 2;
|
| 7804 |
break;
|
| 7805 |
case 12: |
| 7806 |
case 13: |
| 7807 |
args = 3;
|
| 7808 |
break;
|
| 7809 |
case 14: |
| 7810 |
args = 4;
|
| 7811 |
break;
|
| 7812 |
default:
|
| 7813 |
generate_exception(ctx, EXCP_RI); |
| 7814 |
return;
|
| 7815 |
} |
| 7816 |
|
| 7817 |
switch (args) {
|
| 7818 |
case 4: |
| 7819 |
gen_base_offset_addr(ctx, t0, 29, 12); |
| 7820 |
gen_load_gpr(t1, 7);
|
| 7821 |
op_ldst_sw(t1, t0, ctx); |
| 7822 |
/* Fall through */
|
| 7823 |
case 3: |
| 7824 |
gen_base_offset_addr(ctx, t0, 29, 8); |
| 7825 |
gen_load_gpr(t1, 6);
|
| 7826 |
op_ldst_sw(t1, t0, ctx); |
| 7827 |
/* Fall through */
|
| 7828 |
case 2: |
| 7829 |
gen_base_offset_addr(ctx, t0, 29, 4); |
| 7830 |
gen_load_gpr(t1, 5);
|
| 7831 |
op_ldst_sw(t1, t0, ctx); |
| 7832 |
/* Fall through */
|
| 7833 |
case 1: |
| 7834 |
gen_base_offset_addr(ctx, t0, 29, 0); |
| 7835 |
gen_load_gpr(t1, 4);
|
| 7836 |
op_ldst_sw(t1, t0, ctx); |
| 7837 |
} |
| 7838 |
|
| 7839 |
gen_load_gpr(t0, 29);
|
| 7840 |
|
| 7841 |
#define DECR_AND_STORE(reg) do { \ |
| 7842 |
tcg_gen_subi_tl(t0, t0, 4); \
|
| 7843 |
gen_load_gpr(t1, reg); \ |
| 7844 |
op_ldst_sw(t1, t0, ctx); \ |
| 7845 |
} while (0) |
| 7846 |
|
| 7847 |
if (do_ra) {
|
| 7848 |
DECR_AND_STORE(31);
|
| 7849 |
} |
| 7850 |
|
| 7851 |
switch (xsregs) {
|
| 7852 |
case 7: |
| 7853 |
DECR_AND_STORE(30);
|
| 7854 |
/* Fall through */
|
| 7855 |
case 6: |
| 7856 |
DECR_AND_STORE(23);
|
| 7857 |
/* Fall through */
|
| 7858 |
case 5: |
| 7859 |
DECR_AND_STORE(22);
|
| 7860 |
/* Fall through */
|
| 7861 |
case 4: |
| 7862 |
DECR_AND_STORE(21);
|
| 7863 |
/* Fall through */
|
| 7864 |
case 3: |
| 7865 |
DECR_AND_STORE(20);
|
| 7866 |
/* Fall through */
|
| 7867 |
case 2: |
| 7868 |
DECR_AND_STORE(19);
|
| 7869 |
/* Fall through */
|
| 7870 |
case 1: |
| 7871 |
DECR_AND_STORE(18);
|
| 7872 |
} |
| 7873 |
|
| 7874 |
if (do_s1) {
|
| 7875 |
DECR_AND_STORE(17);
|
| 7876 |
} |
| 7877 |
if (do_s0) {
|
| 7878 |
DECR_AND_STORE(16);
|
| 7879 |
} |
| 7880 |
|
| 7881 |
switch (aregs) {
|
| 7882 |
case 0: |
| 7883 |
case 4: |
| 7884 |
case 8: |
| 7885 |
case 12: |
| 7886 |
case 14: |
| 7887 |
astatic = 0;
|
| 7888 |
break;
|
| 7889 |
case 1: |
| 7890 |
case 5: |
| 7891 |
case 9: |
| 7892 |
case 13: |
| 7893 |
astatic = 1;
|
| 7894 |
break;
|
| 7895 |
case 2: |
| 7896 |
case 6: |
| 7897 |
case 10: |
| 7898 |
astatic = 2;
|
| 7899 |
break;
|
| 7900 |
case 3: |
| 7901 |
case 7: |
| 7902 |
astatic = 3;
|
| 7903 |
break;
|
| 7904 |
case 11: |
| 7905 |
astatic = 4;
|
| 7906 |
break;
|
| 7907 |
default:
|
| 7908 |
generate_exception(ctx, EXCP_RI); |
| 7909 |
return;
|
| 7910 |
} |
| 7911 |
|
| 7912 |
if (astatic > 0) { |
| 7913 |
DECR_AND_STORE(7);
|
| 7914 |
if (astatic > 1) { |
| 7915 |
DECR_AND_STORE(6);
|
| 7916 |
if (astatic > 2) { |
| 7917 |
DECR_AND_STORE(5);
|
| 7918 |
if (astatic > 3) { |
| 7919 |
DECR_AND_STORE(4);
|
| 7920 |
} |
| 7921 |
} |
| 7922 |
} |
| 7923 |
} |
| 7924 |
#undef DECR_AND_STORE
|
| 7925 |
|
| 7926 |
tcg_gen_subi_tl(cpu_gpr[29], cpu_gpr[29], framesize); |
| 7927 |
tcg_temp_free(t0); |
| 7928 |
tcg_temp_free(t1); |
| 7929 |
} |
| 7930 |
|
| 7931 |
static void gen_mips16_restore (DisasContext *ctx, |
| 7932 |
int xsregs, int aregs, |
| 7933 |
int do_ra, int do_s0, int do_s1, |
| 7934 |
int framesize)
|
| 7935 |
{
|
| 7936 |
int astatic;
|
| 7937 |
TCGv t0 = tcg_temp_new(); |
| 7938 |
TCGv t1 = tcg_temp_new(); |
| 7939 |
|
| 7940 |
tcg_gen_addi_tl(t0, cpu_gpr[29], framesize);
|
| 7941 |
|
| 7942 |
#define DECR_AND_LOAD(reg) do { \ |
| 7943 |
tcg_gen_subi_tl(t0, t0, 4); \
|
| 7944 |
op_ldst_lw(t1, t0, ctx); \ |
| 7945 |
gen_store_gpr(t1, reg); \ |
| 7946 |
} while (0) |
| 7947 |
|
| 7948 |
if (do_ra) {
|
| 7949 |
DECR_AND_LOAD(31);
|
| 7950 |
} |
| 7951 |
|
| 7952 |
switch (xsregs) {
|
| 7953 |
case 7: |
| 7954 |
DECR_AND_LOAD(30);
|
| 7955 |
/* Fall through */
|
| 7956 |
case 6: |
| 7957 |
DECR_AND_LOAD(23);
|
| 7958 |
/* Fall through */
|
| 7959 |
case 5: |
| 7960 |
DECR_AND_LOAD(22);
|
| 7961 |
/* Fall through */
|
| 7962 |
case 4: |
| 7963 |
DECR_AND_LOAD(21);
|
| 7964 |
/* Fall through */
|
| 7965 |
case 3: |
| 7966 |
DECR_AND_LOAD(20);
|
| 7967 |
/* Fall through */
|
| 7968 |
case 2: |
| 7969 |
DECR_AND_LOAD(19);
|
| 7970 |
/* Fall through */
|
| 7971 |
case 1: |
| 7972 |
DECR_AND_LOAD(18);
|
| 7973 |
} |
| 7974 |
|
| 7975 |
if (do_s1) {
|
| 7976 |
DECR_AND_LOAD(17);
|
| 7977 |
} |
| 7978 |
if (do_s0) {
|
| 7979 |
DECR_AND_LOAD(16);
|
| 7980 |
} |
| 7981 |
|
| 7982 |
switch (aregs) {
|
| 7983 |
case 0: |
| 7984 |
case 4: |
| 7985 |
case 8: |
| 7986 |
case 12: |
| 7987 |
case 14: |
| 7988 |
astatic = 0;
|
| 7989 |
break;
|
| 7990 |
case 1: |
| 7991 |
case 5: |
| 7992 |
case 9: |
| 7993 |
case 13: |
| 7994 |
astatic = 1;
|
| 7995 |
break;
|
| 7996 |
case 2: |
| 7997 |
case 6: |
| 7998 |
case 10: |
| 7999 |
astatic = 2;
|
| 8000 |
break;
|
| 8001 |
case 3: |
| 8002 |
case 7: |
| 8003 |
astatic = 3;
|
| 8004 |
break;
|
| 8005 |
case 11: |
| 8006 |
astatic = 4;
|
| 8007 |
break;
|
| 8008 |
default:
|
| 8009 |
generate_exception(ctx, EXCP_RI); |
| 8010 |
return;
|
| 8011 |
} |
| 8012 |
|
| 8013 |
if (astatic > 0) { |
| 8014 |
DECR_AND_LOAD(7);
|
| 8015 |
if (astatic > 1) { |
| 8016 |
DECR_AND_LOAD(6);
|
| 8017 |
if (astatic > 2) { |
| 8018 |
DECR_AND_LOAD(5);
|
| 8019 |
if (astatic > 3) { |
| 8020 |
DECR_AND_LOAD(4);
|
| 8021 |
} |
| 8022 |
} |
| 8023 |
} |
| 8024 |
} |
| 8025 |
#undef DECR_AND_LOAD
|
| 8026 |
|
| 8027 |
tcg_gen_addi_tl(cpu_gpr[29], cpu_gpr[29], framesize); |
| 8028 |
tcg_temp_free(t0); |
| 8029 |
tcg_temp_free(t1); |
| 8030 |
} |
| 8031 |
|
| 8032 |
static void gen_addiupc (DisasContext *ctx, int rx, int imm, |
| 8033 |
int is_64_bit, int extended) |
| 8034 |
{
|
| 8035 |
TCGv t0; |
| 8036 |
|
| 8037 |
if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
|
| 8038 |
generate_exception(ctx, EXCP_RI); |
| 8039 |
return;
|
| 8040 |
} |
| 8041 |
|
| 8042 |
t0 = tcg_temp_new(); |
| 8043 |
|
| 8044 |
tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); |
| 8045 |
tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); |
| 8046 |
if (!is_64_bit) {
|
| 8047 |
tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| 8048 |
} |
| 8049 |
|
| 8050 |
tcg_temp_free(t0); |
| 8051 |
} |
| 8052 |
|
| 8053 |
#if defined(TARGET_MIPS64)
|
| 8054 |
static void decode_i64_mips16 (CPUState *env, DisasContext *ctx, |
| 8055 |
int ry, int funct, int16_t offset, |
| 8056 |
int extended)
|
| 8057 |
{
|
| 8058 |
switch (funct) {
|
| 8059 |
case I64_LDSP:
|
| 8060 |
check_mips_64(ctx); |
| 8061 |
offset = extended ? offset : offset << 3;
|
| 8062 |
gen_ldst(ctx, OPC_LD, ry, 29, offset);
|
| 8063 |
break;
|
| 8064 |
case I64_SDSP:
|
| 8065 |
check_mips_64(ctx); |
| 8066 |
offset = extended ? offset : offset << 3;
|
| 8067 |
gen_ldst(ctx, OPC_SD, ry, 29, offset);
|
| 8068 |
break;
|
| 8069 |
case I64_SDRASP:
|
| 8070 |
check_mips_64(ctx); |
| 8071 |
offset = extended ? offset : (ctx->opcode & 0xff) << 3; |
| 8072 |
gen_ldst(ctx, OPC_SD, 31, 29, offset); |
| 8073 |
break;
|
| 8074 |
case I64_DADJSP:
|
| 8075 |
check_mips_64(ctx); |
| 8076 |
offset = extended ? offset : ((int8_t)ctx->opcode) << 3;
|
| 8077 |
gen_arith_imm(env, ctx, OPC_DADDIU, 29, 29, offset); |
| 8078 |
break;
|
| 8079 |
case I64_LDPC:
|
| 8080 |
if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
|
| 8081 |
generate_exception(ctx, EXCP_RI); |
| 8082 |
} else {
|
| 8083 |
offset = extended ? offset : offset << 3;
|
| 8084 |
gen_ldst(ctx, OPC_LDPC, ry, 0, offset);
|
| 8085 |
} |
| 8086 |
break;
|
| 8087 |
case I64_DADDIU5:
|
| 8088 |
check_mips_64(ctx); |
| 8089 |
offset = extended ? offset : ((int8_t)(offset << 3)) >> 3; |
| 8090 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, ry, offset); |
| 8091 |
break;
|
| 8092 |
case I64_DADDIUPC:
|
| 8093 |
check_mips_64(ctx); |
| 8094 |
offset = extended ? offset : offset << 2;
|
| 8095 |
gen_addiupc(ctx, ry, offset, 1, extended);
|
| 8096 |
break;
|
| 8097 |
case I64_DADDIUSP:
|
| 8098 |
check_mips_64(ctx); |
| 8099 |
offset = extended ? offset : offset << 2;
|
| 8100 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, 29, offset);
|
| 8101 |
break;
|
| 8102 |
} |
| 8103 |
} |
| 8104 |
#endif
|
| 8105 |
|
| 8106 |
static int decode_extended_mips16_opc (CPUState *env, DisasContext *ctx, |
| 8107 |
int *is_branch)
|
| 8108 |
{
|
| 8109 |
int extend = lduw_code(ctx->pc + 2); |
| 8110 |
int op, rx, ry, funct, sa;
|
| 8111 |
int16_t imm, offset; |
| 8112 |
|
| 8113 |
ctx->opcode = (ctx->opcode << 16) | extend;
|
| 8114 |
op = (ctx->opcode >> 11) & 0x1f; |
| 8115 |
sa = (ctx->opcode >> 22) & 0x1f; |
| 8116 |
funct = (ctx->opcode >> 8) & 0x7; |
| 8117 |
rx = xlat((ctx->opcode >> 8) & 0x7); |
| 8118 |
ry = xlat((ctx->opcode >> 5) & 0x7); |
| 8119 |
offset = imm = (int16_t) (((ctx->opcode >> 16) & 0x1f) << 11 |
| 8120 |
| ((ctx->opcode >> 21) & 0x3f) << 5 |
| 8121 |
| (ctx->opcode & 0x1f));
|
| 8122 |
|
| 8123 |
/* The extended opcodes cleverly reuse the opcodes from their 16-bit
|
| 8124 |
counterparts. */
|
| 8125 |
switch (op) {
|
| 8126 |
case M16_OPC_ADDIUSP:
|
| 8127 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
|
| 8128 |
break;
|
| 8129 |
case M16_OPC_ADDIUPC:
|
| 8130 |
gen_addiupc(ctx, rx, imm, 0, 1); |
| 8131 |
break;
|
| 8132 |
case M16_OPC_B:
|
| 8133 |
gen_compute_branch(ctx, OPC_BEQ, 4, 0, 0, offset << 1); |
| 8134 |
/* No delay slot, so just process as a normal instruction */
|
| 8135 |
break;
|
| 8136 |
case M16_OPC_BEQZ:
|
| 8137 |
gen_compute_branch(ctx, OPC_BEQ, 4, rx, 0, offset << 1); |
| 8138 |
/* No delay slot, so just process as a normal instruction */
|
| 8139 |
break;
|
| 8140 |
case M16_OPC_BNEQZ:
|
| 8141 |
gen_compute_branch(ctx, OPC_BNE, 4, rx, 0, offset << 1); |
| 8142 |
/* No delay slot, so just process as a normal instruction */
|
| 8143 |
break;
|
| 8144 |
case M16_OPC_SHIFT:
|
| 8145 |
switch (ctx->opcode & 0x3) { |
| 8146 |
case 0x0: |
| 8147 |
gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); |
| 8148 |
break;
|
| 8149 |
case 0x1: |
| 8150 |
#if defined(TARGET_MIPS64)
|
| 8151 |
check_mips_64(ctx); |
| 8152 |
gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); |
| 8153 |
#else
|
| 8154 |
generate_exception(ctx, EXCP_RI); |
| 8155 |
#endif
|
| 8156 |
break;
|
| 8157 |
case 0x2: |
| 8158 |
gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); |
| 8159 |
break;
|
| 8160 |
case 0x3: |
| 8161 |
gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); |
| 8162 |
break;
|
| 8163 |
} |
| 8164 |
break;
|
| 8165 |
#if defined(TARGET_MIPS64)
|
| 8166 |
case M16_OPC_LD:
|
| 8167 |
check_mips_64(ctx); |
| 8168 |
gen_ldst(ctx, OPC_LD, ry, rx, offset); |
| 8169 |
break;
|
| 8170 |
#endif
|
| 8171 |
case M16_OPC_RRIA:
|
| 8172 |
imm = ctx->opcode & 0xf;
|
| 8173 |
imm = imm | ((ctx->opcode >> 20) & 0x7f) << 4; |
| 8174 |
imm = imm | ((ctx->opcode >> 16) & 0xf) << 11; |
| 8175 |
imm = (int16_t) (imm << 1) >> 1; |
| 8176 |
if ((ctx->opcode >> 4) & 0x1) { |
| 8177 |
#if defined(TARGET_MIPS64)
|
| 8178 |
check_mips_64(ctx); |
| 8179 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); |
| 8180 |
#else
|
| 8181 |
generate_exception(ctx, EXCP_RI); |
| 8182 |
#endif
|
| 8183 |
} else {
|
| 8184 |
gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); |
| 8185 |
} |
| 8186 |
break;
|
| 8187 |
case M16_OPC_ADDIU8:
|
| 8188 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); |
| 8189 |
break;
|
| 8190 |
case M16_OPC_SLTI:
|
| 8191 |
gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
|
| 8192 |
break;
|
| 8193 |
case M16_OPC_SLTIU:
|
| 8194 |
gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
|
| 8195 |
break;
|
| 8196 |
case M16_OPC_I8:
|
| 8197 |
switch (funct) {
|
| 8198 |
case I8_BTEQZ:
|
| 8199 |
gen_compute_branch(ctx, OPC_BEQ, 4, 24, 0, offset << 1); |
| 8200 |
break;
|
| 8201 |
case I8_BTNEZ:
|
| 8202 |
gen_compute_branch(ctx, OPC_BNE, 4, 24, 0, offset << 1); |
| 8203 |
break;
|
| 8204 |
case I8_SWRASP:
|
| 8205 |
gen_ldst(ctx, OPC_SW, 31, 29, imm); |
| 8206 |
break;
|
| 8207 |
case I8_ADJSP:
|
| 8208 |
gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm); |
| 8209 |
break;
|
| 8210 |
case I8_SVRS:
|
| 8211 |
{
|
| 8212 |
int xsregs = (ctx->opcode >> 24) & 0x7; |
| 8213 |
int aregs = (ctx->opcode >> 16) & 0xf; |
| 8214 |
int do_ra = (ctx->opcode >> 6) & 0x1; |
| 8215 |
int do_s0 = (ctx->opcode >> 5) & 0x1; |
| 8216 |
int do_s1 = (ctx->opcode >> 4) & 0x1; |
| 8217 |
int framesize = (((ctx->opcode >> 20) & 0xf) << 4 |
| 8218 |
| (ctx->opcode & 0xf)) << 3; |
| 8219 |
|
| 8220 |
if (ctx->opcode & (1 << 7)) { |
| 8221 |
gen_mips16_save(ctx, xsregs, aregs, |
| 8222 |
do_ra, do_s0, do_s1, |
| 8223 |
framesize); |
| 8224 |
} else {
|
| 8225 |
gen_mips16_restore(ctx, xsregs, aregs, |
| 8226 |
do_ra, do_s0, do_s1, |
| 8227 |
framesize); |
| 8228 |
} |
| 8229 |
} |
| 8230 |
break;
|
| 8231 |
default:
|
| 8232 |
generate_exception(ctx, EXCP_RI); |
| 8233 |
break;
|
| 8234 |
} |
| 8235 |
break;
|
| 8236 |
case M16_OPC_LI:
|
| 8237 |
tcg_gen_movi_tl(cpu_gpr[rx], (uint16_t) imm); |
| 8238 |
break;
|
| 8239 |
case M16_OPC_CMPI:
|
| 8240 |
tcg_gen_xori_tl(cpu_gpr[24], cpu_gpr[rx], (uint16_t) imm);
|
| 8241 |
break;
|
| 8242 |
#if defined(TARGET_MIPS64)
|
| 8243 |
case M16_OPC_SD:
|
| 8244 |
gen_ldst(ctx, OPC_SD, ry, rx, offset); |
| 8245 |
break;
|
| 8246 |
#endif
|
| 8247 |
case M16_OPC_LB:
|
| 8248 |
gen_ldst(ctx, OPC_LB, ry, rx, offset); |
| 8249 |
break;
|
| 8250 |
case M16_OPC_LH:
|
| 8251 |
gen_ldst(ctx, OPC_LH, ry, rx, offset); |
| 8252 |
break;
|
| 8253 |
case M16_OPC_LWSP:
|
| 8254 |
gen_ldst(ctx, OPC_LW, rx, 29, offset);
|
| 8255 |
break;
|
| 8256 |
case M16_OPC_LW:
|
| 8257 |
gen_ldst(ctx, OPC_LW, ry, rx, offset); |
| 8258 |
break;
|
| 8259 |
case M16_OPC_LBU:
|
| 8260 |
gen_ldst(ctx, OPC_LBU, ry, rx, offset); |
| 8261 |
break;
|
| 8262 |
case M16_OPC_LHU:
|
| 8263 |
gen_ldst(ctx, OPC_LHU, ry, rx, offset); |
| 8264 |
break;
|
| 8265 |
case M16_OPC_LWPC:
|
| 8266 |
gen_ldst(ctx, OPC_LWPC, rx, 0, offset);
|
| 8267 |
break;
|
| 8268 |
#if defined(TARGET_MIPS64)
|
| 8269 |
case M16_OPC_LWU:
|
| 8270 |
gen_ldst(ctx, OPC_LWU, ry, rx, offset); |
| 8271 |
break;
|
| 8272 |
#endif
|
| 8273 |
case M16_OPC_SB:
|
| 8274 |
gen_ldst(ctx, OPC_SB, ry, rx, offset); |
| 8275 |
break;
|
| 8276 |
case M16_OPC_SH:
|
| 8277 |
gen_ldst(ctx, OPC_SH, ry, rx, offset); |
| 8278 |
break;
|
| 8279 |
case M16_OPC_SWSP:
|
| 8280 |
gen_ldst(ctx, OPC_SW, rx, 29, offset);
|
| 8281 |
break;
|
| 8282 |
case M16_OPC_SW:
|
| 8283 |
gen_ldst(ctx, OPC_SW, ry, rx, offset); |
| 8284 |
break;
|
| 8285 |
#if defined(TARGET_MIPS64)
|
| 8286 |
case M16_OPC_I64:
|
| 8287 |
decode_i64_mips16(env, ctx, ry, funct, offset, 1);
|
| 8288 |
break;
|
| 8289 |
#endif
|
| 8290 |
default:
|
| 8291 |
generate_exception(ctx, EXCP_RI); |
| 8292 |
break;
|
| 8293 |
} |
| 8294 |
|
| 8295 |
return 4; |
| 8296 |
} |
| 8297 |
|
| 8298 |
static int decode_mips16_opc (CPUState *env, DisasContext *ctx, |
| 8299 |
int *is_branch)
|
| 8300 |
{
|
| 8301 |
int rx, ry;
|
| 8302 |
int sa;
|
| 8303 |
int op, cnvt_op, op1, offset;
|
| 8304 |
int funct;
|
| 8305 |
int n_bytes;
|
| 8306 |
|
| 8307 |
op = (ctx->opcode >> 11) & 0x1f; |
| 8308 |
sa = (ctx->opcode >> 2) & 0x7; |
| 8309 |
sa = sa == 0 ? 8 : sa; |
| 8310 |
rx = xlat((ctx->opcode >> 8) & 0x7); |
| 8311 |
cnvt_op = (ctx->opcode >> 5) & 0x7; |
| 8312 |
ry = xlat((ctx->opcode >> 5) & 0x7); |
| 8313 |
op1 = offset = ctx->opcode & 0x1f;
|
| 8314 |
|
| 8315 |
n_bytes = 2;
|
| 8316 |
|
| 8317 |
switch (op) {
|
| 8318 |
case M16_OPC_ADDIUSP:
|
| 8319 |
{
|
| 8320 |
int16_t imm = ((uint8_t) ctx->opcode) << 2;
|
| 8321 |
|
| 8322 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
|
| 8323 |
} |
| 8324 |
break;
|
| 8325 |
case M16_OPC_ADDIUPC:
|
| 8326 |
gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0); |
| 8327 |
break;
|
| 8328 |
case M16_OPC_B:
|
| 8329 |
offset = (ctx->opcode & 0x7ff) << 1; |
| 8330 |
offset = (int16_t)(offset << 4) >> 4; |
| 8331 |
gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset); |
| 8332 |
/* No delay slot, so just process as a normal instruction */
|
| 8333 |
break;
|
| 8334 |
case M16_OPC_JAL:
|
| 8335 |
offset = lduw_code(ctx->pc + 2);
|
| 8336 |
offset = (((ctx->opcode & 0x1f) << 21) |
| 8337 |
| ((ctx->opcode >> 5) & 0x1f) << 16 |
| 8338 |
| offset) << 2;
|
| 8339 |
op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALX : OPC_JAL; |
| 8340 |
gen_compute_branch(ctx, op, 4, rx, ry, offset);
|
| 8341 |
n_bytes = 4;
|
| 8342 |
*is_branch = 1;
|
| 8343 |
break;
|
| 8344 |
case M16_OPC_BEQZ:
|
| 8345 |
gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0, ((int8_t)ctx->opcode) << 1); |
| 8346 |
/* No delay slot, so just process as a normal instruction */
|
| 8347 |
break;
|
| 8348 |
case M16_OPC_BNEQZ:
|
| 8349 |
gen_compute_branch(ctx, OPC_BNE, 2, rx, 0, ((int8_t)ctx->opcode) << 1); |
| 8350 |
/* No delay slot, so just process as a normal instruction */
|
| 8351 |
break;
|
| 8352 |
case M16_OPC_SHIFT:
|
| 8353 |
switch (ctx->opcode & 0x3) { |
| 8354 |
case 0x0: |
| 8355 |
gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa); |
| 8356 |
break;
|
| 8357 |
case 0x1: |
| 8358 |
#if defined(TARGET_MIPS64)
|
| 8359 |
check_mips_64(ctx); |
| 8360 |
gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa); |
| 8361 |
#else
|
| 8362 |
generate_exception(ctx, EXCP_RI); |
| 8363 |
#endif
|
| 8364 |
break;
|
| 8365 |
case 0x2: |
| 8366 |
gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa); |
| 8367 |
break;
|
| 8368 |
case 0x3: |
| 8369 |
gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa); |
| 8370 |
break;
|
| 8371 |
} |
| 8372 |
break;
|
| 8373 |
#if defined(TARGET_MIPS64)
|
| 8374 |
case M16_OPC_LD:
|
| 8375 |
check_mips_64(ctx); |
| 8376 |
gen_ldst(ctx, OPC_LD, ry, rx, offset << 3);
|
| 8377 |
break;
|
| 8378 |
#endif
|
| 8379 |
case M16_OPC_RRIA:
|
| 8380 |
{
|
| 8381 |
int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4; |
| 8382 |
|
| 8383 |
if ((ctx->opcode >> 4) & 1) { |
| 8384 |
#if defined(TARGET_MIPS64)
|
| 8385 |
check_mips_64(ctx); |
| 8386 |
gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm); |
| 8387 |
#else
|
| 8388 |
generate_exception(ctx, EXCP_RI); |
| 8389 |
#endif
|
| 8390 |
} else {
|
| 8391 |
gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm); |
| 8392 |
} |
| 8393 |
} |
| 8394 |
break;
|
| 8395 |
case M16_OPC_ADDIU8:
|
| 8396 |
{
|
| 8397 |
int16_t imm = (int8_t) ctx->opcode; |
| 8398 |
|
| 8399 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm); |
| 8400 |
} |
| 8401 |
break;
|
| 8402 |
case M16_OPC_SLTI:
|
| 8403 |
{
|
| 8404 |
int16_t imm = (uint8_t) ctx->opcode; |
| 8405 |
|
| 8406 |
gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
|
| 8407 |
} |
| 8408 |
break;
|
| 8409 |
case M16_OPC_SLTIU:
|
| 8410 |
{
|
| 8411 |
int16_t imm = (uint8_t) ctx->opcode; |
| 8412 |
|
| 8413 |
gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
|
| 8414 |
} |
| 8415 |
break;
|
| 8416 |
case M16_OPC_I8:
|
| 8417 |
{
|
| 8418 |
int reg32;
|
| 8419 |
|
| 8420 |
funct = (ctx->opcode >> 8) & 0x7; |
| 8421 |
switch (funct) {
|
| 8422 |
case I8_BTEQZ:
|
| 8423 |
gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0, |
| 8424 |
((int8_t)ctx->opcode) << 1);
|
| 8425 |
break;
|
| 8426 |
case I8_BTNEZ:
|
| 8427 |
gen_compute_branch(ctx, OPC_BNE, 2, 24, 0, |
| 8428 |
((int8_t)ctx->opcode) << 1);
|
| 8429 |
break;
|
| 8430 |
case I8_SWRASP:
|
| 8431 |
gen_ldst(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2); |
| 8432 |
break;
|
| 8433 |
case I8_ADJSP:
|
| 8434 |
gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, |
| 8435 |
((int8_t)ctx->opcode) << 3);
|
| 8436 |
break;
|
| 8437 |
case I8_SVRS:
|
| 8438 |
{
|
| 8439 |
int do_ra = ctx->opcode & (1 << 6); |
| 8440 |
int do_s0 = ctx->opcode & (1 << 5); |
| 8441 |
int do_s1 = ctx->opcode & (1 << 4); |
| 8442 |
int framesize = ctx->opcode & 0xf; |
| 8443 |
|
| 8444 |
if (framesize == 0) { |
| 8445 |
framesize = 128;
|
| 8446 |
} else {
|
| 8447 |
framesize = framesize << 3;
|
| 8448 |
} |
| 8449 |
|
| 8450 |
if (ctx->opcode & (1 << 7)) { |
| 8451 |
gen_mips16_save(ctx, 0, 0, |
| 8452 |
do_ra, do_s0, do_s1, framesize); |
| 8453 |
} else {
|
| 8454 |
gen_mips16_restore(ctx, 0, 0, |
| 8455 |
do_ra, do_s0, do_s1, framesize); |
| 8456 |
} |
| 8457 |
} |
| 8458 |
break;
|
| 8459 |
case I8_MOV32R:
|
| 8460 |
{
|
| 8461 |
int rz = xlat(ctx->opcode & 0x7); |
| 8462 |
|
| 8463 |
reg32 = (((ctx->opcode >> 3) & 0x3) << 3) | |
| 8464 |
((ctx->opcode >> 5) & 0x7); |
| 8465 |
gen_arith(env, ctx, OPC_ADDU, reg32, rz, 0);
|
| 8466 |
} |
| 8467 |
break;
|
| 8468 |
case I8_MOVR32:
|
| 8469 |
reg32 = ctx->opcode & 0x1f;
|
| 8470 |
gen_arith(env, ctx, OPC_ADDU, ry, reg32, 0);
|
| 8471 |
break;
|
| 8472 |
default:
|
| 8473 |
generate_exception(ctx, EXCP_RI); |
| 8474 |
break;
|
| 8475 |
} |
| 8476 |
} |
| 8477 |
break;
|
| 8478 |
case M16_OPC_LI:
|
| 8479 |
{
|
| 8480 |
int16_t imm = (uint8_t) ctx->opcode; |
| 8481 |
|
| 8482 |
gen_arith_imm(env, ctx, OPC_ADDIU, rx, 0, imm);
|
| 8483 |
} |
| 8484 |
break;
|
| 8485 |
case M16_OPC_CMPI:
|
| 8486 |
{
|
| 8487 |
int16_t imm = (uint8_t) ctx->opcode; |
| 8488 |
|
| 8489 |
gen_logic_imm(env, OPC_XORI, 24, rx, imm);
|
| 8490 |
} |
| 8491 |
break;
|
| 8492 |
#if defined(TARGET_MIPS64)
|
| 8493 |
case M16_OPC_SD:
|
| 8494 |
check_mips_64(ctx); |
| 8495 |
gen_ldst(ctx, OPC_SD, ry, rx, offset << 3);
|
| 8496 |
break;
|
| 8497 |
#endif
|
| 8498 |
case M16_OPC_LB:
|
| 8499 |
gen_ldst(ctx, OPC_LB, ry, rx, offset); |
| 8500 |
break;
|
| 8501 |
case M16_OPC_LH:
|
| 8502 |
gen_ldst(ctx, OPC_LH, ry, rx, offset << 1);
|
| 8503 |
break;
|
| 8504 |
case M16_OPC_LWSP:
|
| 8505 |
gen_ldst(ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
| 8506 |
break;
|
| 8507 |
case M16_OPC_LW:
|
| 8508 |
gen_ldst(ctx, OPC_LW, ry, rx, offset << 2);
|
| 8509 |
break;
|
| 8510 |
case M16_OPC_LBU:
|
| 8511 |
gen_ldst(ctx, OPC_LBU, ry, rx, offset); |
| 8512 |
break;
|
| 8513 |
case M16_OPC_LHU:
|
| 8514 |
gen_ldst(ctx, OPC_LHU, ry, rx, offset << 1);
|
| 8515 |
break;
|
| 8516 |
case M16_OPC_LWPC:
|
| 8517 |
gen_ldst(ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2); |
| 8518 |
break;
|
| 8519 |
#if defined (TARGET_MIPS64)
|
| 8520 |
case M16_OPC_LWU:
|
| 8521 |
check_mips_64(ctx); |
| 8522 |
gen_ldst(ctx, OPC_LWU, ry, rx, offset << 2);
|
| 8523 |
break;
|
| 8524 |
#endif
|
| 8525 |
case M16_OPC_SB:
|
| 8526 |
gen_ldst(ctx, OPC_SB, ry, rx, offset); |
| 8527 |
break;
|
| 8528 |
case M16_OPC_SH:
|
| 8529 |
gen_ldst(ctx, OPC_SH, ry, rx, offset << 1);
|
| 8530 |
break;
|
| 8531 |
case M16_OPC_SWSP:
|
| 8532 |
gen_ldst(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2); |
| 8533 |
break;
|
| 8534 |
case M16_OPC_SW:
|
| 8535 |
gen_ldst(ctx, OPC_SW, ry, rx, offset << 2);
|
| 8536 |
break;
|
| 8537 |
case M16_OPC_RRR:
|
| 8538 |
{
|
| 8539 |
int rz = xlat((ctx->opcode >> 2) & 0x7); |
| 8540 |
int mips32_op;
|
| 8541 |
|
| 8542 |
switch (ctx->opcode & 0x3) { |
| 8543 |
case RRR_ADDU:
|
| 8544 |
mips32_op = OPC_ADDU; |
| 8545 |
break;
|
| 8546 |
case RRR_SUBU:
|
| 8547 |
mips32_op = OPC_SUBU; |
| 8548 |
break;
|
| 8549 |
#if defined(TARGET_MIPS64)
|
| 8550 |
case RRR_DADDU:
|
| 8551 |
mips32_op = OPC_DADDU; |
| 8552 |
check_mips_64(ctx); |
| 8553 |
break;
|
| 8554 |
case RRR_DSUBU:
|
| 8555 |
mips32_op = OPC_DSUBU; |
| 8556 |
check_mips_64(ctx); |
| 8557 |
break;
|
| 8558 |
#endif
|
| 8559 |
default:
|
| 8560 |
generate_exception(ctx, EXCP_RI); |
| 8561 |
goto done;
|
| 8562 |
} |
| 8563 |
|
| 8564 |
gen_arith(env, ctx, mips32_op, rz, rx, ry); |
| 8565 |
done:
|
| 8566 |
; |
| 8567 |
} |
| 8568 |
break;
|
| 8569 |
case M16_OPC_RR:
|
| 8570 |
switch (op1) {
|
| 8571 |
case RR_JR:
|
| 8572 |
{
|
| 8573 |
int nd = (ctx->opcode >> 7) & 0x1; |
| 8574 |
int link = (ctx->opcode >> 6) & 0x1; |
| 8575 |
int ra = (ctx->opcode >> 5) & 0x1; |
| 8576 |
|
| 8577 |
if (link) {
|
| 8578 |
op = nd ? OPC_JALRC : OPC_JALR; |
| 8579 |
} else {
|
| 8580 |
op = OPC_JR; |
| 8581 |
} |
| 8582 |
|
| 8583 |
gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0); |
| 8584 |
if (!nd) {
|
| 8585 |
*is_branch = 1;
|
| 8586 |
} |
| 8587 |
} |
| 8588 |
break;
|
| 8589 |
case RR_SDBBP:
|
| 8590 |
/* XXX: not clear which exception should be raised
|
| 8591 |
* when in debug mode...
|
| 8592 |
*/
|
| 8593 |
check_insn(env, ctx, ISA_MIPS32); |
| 8594 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
| 8595 |
generate_exception(ctx, EXCP_DBp); |
| 8596 |
} else {
|
| 8597 |
generate_exception(ctx, EXCP_DBp); |
| 8598 |
} |
| 8599 |
break;
|
| 8600 |
case RR_SLT:
|
| 8601 |
gen_slt(env, OPC_SLT, 24, rx, ry);
|
| 8602 |
break;
|
| 8603 |
case RR_SLTU:
|
| 8604 |
gen_slt(env, OPC_SLTU, 24, rx, ry);
|
| 8605 |
break;
|
| 8606 |
case RR_BREAK:
|
| 8607 |
generate_exception(ctx, EXCP_BREAK); |
| 8608 |
break;
|
| 8609 |
case RR_SLLV:
|
| 8610 |
gen_shift(env, ctx, OPC_SLLV, ry, rx, ry); |
| 8611 |
break;
|
| 8612 |
case RR_SRLV:
|
| 8613 |
gen_shift(env, ctx, OPC_SRLV, ry, rx, ry); |
| 8614 |
break;
|
| 8615 |
case RR_SRAV:
|
| 8616 |
gen_shift(env, ctx, OPC_SRAV, ry, rx, ry); |
| 8617 |
break;
|
| 8618 |
#if defined (TARGET_MIPS64)
|
| 8619 |
case RR_DSRL:
|
| 8620 |
check_mips_64(ctx); |
| 8621 |
gen_shift_imm(env, ctx, OPC_DSRL, ry, ry, sa); |
| 8622 |
break;
|
| 8623 |
#endif
|
| 8624 |
case RR_CMP:
|
| 8625 |
gen_logic(env, OPC_XOR, 24, rx, ry);
|
| 8626 |
break;
|
| 8627 |
case RR_NEG:
|
| 8628 |
gen_arith(env, ctx, OPC_SUBU, rx, 0, ry);
|
| 8629 |
break;
|
| 8630 |
case RR_AND:
|
| 8631 |
gen_logic(env, OPC_AND, rx, rx, ry); |
| 8632 |
break;
|
| 8633 |
case RR_OR:
|
| 8634 |
gen_logic(env, OPC_OR, rx, rx, ry); |
| 8635 |
break;
|
| 8636 |
case RR_XOR:
|
| 8637 |
gen_logic(env, OPC_XOR, rx, rx, ry); |
| 8638 |
break;
|
| 8639 |
case RR_NOT:
|
| 8640 |
gen_logic(env, OPC_NOR, rx, ry, 0);
|
| 8641 |
break;
|
| 8642 |
case RR_MFHI:
|
| 8643 |
gen_HILO(ctx, OPC_MFHI, rx); |
| 8644 |
break;
|
| 8645 |
case RR_CNVT:
|
| 8646 |
switch (cnvt_op) {
|
| 8647 |
case RR_RY_CNVT_ZEB:
|
| 8648 |
tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| 8649 |
break;
|
| 8650 |
case RR_RY_CNVT_ZEH:
|
| 8651 |
tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| 8652 |
break;
|
| 8653 |
case RR_RY_CNVT_SEB:
|
| 8654 |
tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| 8655 |
break;
|
| 8656 |
case RR_RY_CNVT_SEH:
|
| 8657 |
tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| 8658 |
break;
|
| 8659 |
#if defined (TARGET_MIPS64)
|
| 8660 |
case RR_RY_CNVT_ZEW:
|
| 8661 |
check_mips_64(ctx); |
| 8662 |
tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| 8663 |
break;
|
| 8664 |
case RR_RY_CNVT_SEW:
|
| 8665 |
check_mips_64(ctx); |
| 8666 |
tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); |
| 8667 |
break;
|
| 8668 |
#endif
|
| 8669 |
default:
|
| 8670 |
generate_exception(ctx, EXCP_RI); |
| 8671 |
break;
|
| 8672 |
} |
| 8673 |
break;
|
| 8674 |
case RR_MFLO:
|
| 8675 |
gen_HILO(ctx, OPC_MFLO, rx); |
| 8676 |
break;
|
| 8677 |
#if defined (TARGET_MIPS64)
|
| 8678 |
case RR_DSRA:
|
| 8679 |
check_mips_64(ctx); |
| 8680 |
gen_shift_imm(env, ctx, OPC_DSRA, ry, ry, sa); |
| 8681 |
break;
|
| 8682 |
case RR_DSLLV:
|
| 8683 |
check_mips_64(ctx); |
| 8684 |
gen_shift(env, ctx, OPC_DSLLV, ry, rx, ry); |
| 8685 |
break;
|
| 8686 |
case RR_DSRLV:
|
| 8687 |
check_mips_64(ctx); |
| 8688 |
gen_shift(env, ctx, OPC_DSRLV, ry, rx, ry); |
| 8689 |
break;
|
| 8690 |
case RR_DSRAV:
|
| 8691 |
check_mips_64(ctx); |
| 8692 |
gen_shift(env, ctx, OPC_DSRAV, ry, rx, ry); |
| 8693 |
break;
|
| 8694 |
#endif
|
| 8695 |
case RR_MULT:
|
| 8696 |
gen_muldiv(ctx, OPC_MULT, rx, ry); |
| 8697 |
break;
|
| 8698 |
case RR_MULTU:
|
| 8699 |
gen_muldiv(ctx, OPC_MULTU, rx, ry); |
| 8700 |
break;
|
| 8701 |
case RR_DIV:
|
| 8702 |
gen_muldiv(ctx, OPC_DIV, rx, ry); |
| 8703 |
break;
|
| 8704 |
case RR_DIVU:
|
| 8705 |
gen_muldiv(ctx, OPC_DIVU, rx, ry); |
| 8706 |
break;
|
| 8707 |
#if defined (TARGET_MIPS64)
|
| 8708 |
case RR_DMULT:
|
| 8709 |
check_mips_64(ctx); |
| 8710 |
gen_muldiv(ctx, OPC_DMULT, rx, ry); |
| 8711 |
break;
|
| 8712 |
case RR_DMULTU:
|
| 8713 |
check_mips_64(ctx); |
| 8714 |
gen_muldiv(ctx, OPC_DMULTU, rx, ry); |
| 8715 |
break;
|
| 8716 |
case RR_DDIV:
|
| 8717 |
check_mips_64(ctx); |
| 8718 |
gen_muldiv(ctx, OPC_DDIV, rx, ry); |
| 8719 |
break;
|
| 8720 |
case RR_DDIVU:
|
| 8721 |
check_mips_64(ctx); |
| 8722 |
gen_muldiv(ctx, OPC_DDIVU, rx, ry); |
| 8723 |
break;
|
| 8724 |
#endif
|
| 8725 |
default:
|
| 8726 |
generate_exception(ctx, EXCP_RI); |
| 8727 |
break;
|
| 8728 |
} |
| 8729 |
break;
|
| 8730 |
case M16_OPC_EXTEND:
|
| 8731 |
decode_extended_mips16_opc(env, ctx, is_branch); |
| 8732 |
n_bytes = 4;
|
| 8733 |
break;
|
| 8734 |
#if defined(TARGET_MIPS64)
|
| 8735 |
case M16_OPC_I64:
|
| 8736 |
funct = (ctx->opcode >> 8) & 0x7; |
| 8737 |
decode_i64_mips16(env, ctx, ry, funct, offset, 0);
|
| 8738 |
break;
|
| 8739 |
#endif
|
| 8740 |
default:
|
| 8741 |
generate_exception(ctx, EXCP_RI); |
| 8742 |
break;
|
| 8743 |
} |
| 8744 |
|
| 8745 |
return n_bytes;
|
| 8746 |
} |
| 8747 |
|
| 8748 |
/* SmartMIPS extension to MIPS32 */
|
| 8749 |
|
| 8750 |
#if defined(TARGET_MIPS64)
|
| 8751 |
|
| 8752 |
/* MDMX extension to MIPS64 */
|
| 8753 |
|
| 8754 |
#endif
|
| 8755 |
|
| 8756 |
static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch) |
| 8757 |
{
|
| 8758 |
int32_t offset; |
| 8759 |
int rs, rt, rd, sa;
|
| 8760 |
uint32_t op, op1, op2; |
| 8761 |
int16_t imm; |
| 8762 |
|
| 8763 |
/* make sure instructions are on a word boundary */
|
| 8764 |
if (ctx->pc & 0x3) { |
| 8765 |
env->CP0_BadVAddr = ctx->pc; |
| 8766 |
generate_exception(ctx, EXCP_AdEL); |
| 8767 |
return;
|
| 8768 |
} |
| 8769 |
|
| 8770 |
/* Handle blikely not taken case */
|
| 8771 |
if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
|
| 8772 |
int l1 = gen_new_label();
|
| 8773 |
|
| 8774 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
| 8775 |
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
|
| 8776 |
tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); |
| 8777 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
| 8778 |
gen_set_label(l1); |
| 8779 |
} |
| 8780 |
|
| 8781 |
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
|
| 8782 |
tcg_gen_debug_insn_start(ctx->pc); |
| 8783 |
|
| 8784 |
op = MASK_OP_MAJOR(ctx->opcode); |
| 8785 |
rs = (ctx->opcode >> 21) & 0x1f; |
| 8786 |
rt = (ctx->opcode >> 16) & 0x1f; |
| 8787 |
rd = (ctx->opcode >> 11) & 0x1f; |
| 8788 |
sa = (ctx->opcode >> 6) & 0x1f; |
| 8789 |
imm = (int16_t)ctx->opcode; |
| 8790 |
switch (op) {
|
| 8791 |
case OPC_SPECIAL:
|
| 8792 |
op1 = MASK_SPECIAL(ctx->opcode); |
| 8793 |
switch (op1) {
|
| 8794 |
case OPC_SLL: /* Shift with immediate */ |
| 8795 |
case OPC_SRA:
|
| 8796 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| 8797 |
break;
|
| 8798 |
case OPC_SRL:
|
| 8799 |
switch ((ctx->opcode >> 21) & 0x1f) { |
| 8800 |
case 1: |
| 8801 |
/* rotr is decoded as srl on non-R2 CPUs */
|
| 8802 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 8803 |
op1 = OPC_ROTR; |
| 8804 |
} |
| 8805 |
/* Fallthrough */
|
| 8806 |
case 0: |
| 8807 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| 8808 |
break;
|
| 8809 |
default:
|
| 8810 |
generate_exception(ctx, EXCP_RI); |
| 8811 |
break;
|
| 8812 |
} |
| 8813 |
break;
|
| 8814 |
case OPC_MOVN: /* Conditional move */ |
| 8815 |
case OPC_MOVZ:
|
| 8816 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 8817 |
gen_cond_move(env, op1, rd, rs, rt); |
| 8818 |
break;
|
| 8819 |
case OPC_ADD ... OPC_SUBU:
|
| 8820 |
gen_arith(env, ctx, op1, rd, rs, rt); |
| 8821 |
break;
|
| 8822 |
case OPC_SLLV: /* Shifts */ |
| 8823 |
case OPC_SRAV:
|
| 8824 |
gen_shift(env, ctx, op1, rd, rs, rt); |
| 8825 |
break;
|
| 8826 |
case OPC_SRLV:
|
| 8827 |
switch ((ctx->opcode >> 6) & 0x1f) { |
| 8828 |
case 1: |
| 8829 |
/* rotrv is decoded as srlv on non-R2 CPUs */
|
| 8830 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 8831 |
op1 = OPC_ROTRV; |
| 8832 |
} |
| 8833 |
/* Fallthrough */
|
| 8834 |
case 0: |
| 8835 |
gen_shift(env, ctx, op1, rd, rs, rt); |
| 8836 |
break;
|
| 8837 |
default:
|
| 8838 |
generate_exception(ctx, EXCP_RI); |
| 8839 |
break;
|
| 8840 |
} |
| 8841 |
break;
|
| 8842 |
case OPC_SLT: /* Set on less than */ |
| 8843 |
case OPC_SLTU:
|
| 8844 |
gen_slt(env, op1, rd, rs, rt); |
| 8845 |
break;
|
| 8846 |
case OPC_AND: /* Logic*/ |
| 8847 |
case OPC_OR:
|
| 8848 |
case OPC_NOR:
|
| 8849 |
case OPC_XOR:
|
| 8850 |
gen_logic(env, op1, rd, rs, rt); |
| 8851 |
break;
|
| 8852 |
case OPC_MULT ... OPC_DIVU:
|
| 8853 |
if (sa) {
|
| 8854 |
check_insn(env, ctx, INSN_VR54XX); |
| 8855 |
op1 = MASK_MUL_VR54XX(ctx->opcode); |
| 8856 |
gen_mul_vr54xx(ctx, op1, rd, rs, rt); |
| 8857 |
} else
|
| 8858 |
gen_muldiv(ctx, op1, rs, rt); |
| 8859 |
break;
|
| 8860 |
case OPC_JR ... OPC_JALR:
|
| 8861 |
gen_compute_branch(ctx, op1, 4, rs, rd, sa);
|
| 8862 |
*is_branch = 1;
|
| 8863 |
break;
|
| 8864 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
| 8865 |
case OPC_TNE:
|
| 8866 |
gen_trap(ctx, op1, rs, rt, -1);
|
| 8867 |
break;
|
| 8868 |
case OPC_MFHI: /* Move from HI/LO */ |
| 8869 |
case OPC_MFLO:
|
| 8870 |
gen_HILO(ctx, op1, rd); |
| 8871 |
break;
|
| 8872 |
case OPC_MTHI:
|
| 8873 |
case OPC_MTLO: /* Move to HI/LO */ |
| 8874 |
gen_HILO(ctx, op1, rs); |
| 8875 |
break;
|
| 8876 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
| 8877 |
#ifdef MIPS_STRICT_STANDARD
|
| 8878 |
MIPS_INVAL("PMON / selsl");
|
| 8879 |
generate_exception(ctx, EXCP_RI); |
| 8880 |
#else
|
| 8881 |
gen_helper_0i(pmon, sa); |
| 8882 |
#endif
|
| 8883 |
break;
|
| 8884 |
case OPC_SYSCALL:
|
| 8885 |
generate_exception(ctx, EXCP_SYSCALL); |
| 8886 |
ctx->bstate = BS_STOP; |
| 8887 |
break;
|
| 8888 |
case OPC_BREAK:
|
| 8889 |
generate_exception(ctx, EXCP_BREAK); |
| 8890 |
break;
|
| 8891 |
case OPC_SPIM:
|
| 8892 |
#ifdef MIPS_STRICT_STANDARD
|
| 8893 |
MIPS_INVAL("SPIM");
|
| 8894 |
generate_exception(ctx, EXCP_RI); |
| 8895 |
#else
|
| 8896 |
/* Implemented as RI exception for now. */
|
| 8897 |
MIPS_INVAL("spim (unofficial)");
|
| 8898 |
generate_exception(ctx, EXCP_RI); |
| 8899 |
#endif
|
| 8900 |
break;
|
| 8901 |
case OPC_SYNC:
|
| 8902 |
/* Treat as NOP. */
|
| 8903 |
break;
|
| 8904 |
|
| 8905 |
case OPC_MOVCI:
|
| 8906 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 8907 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 8908 |
check_cp1_enabled(ctx); |
| 8909 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
| 8910 |
(ctx->opcode >> 16) & 1); |
| 8911 |
} else {
|
| 8912 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 8913 |
} |
| 8914 |
break;
|
| 8915 |
|
| 8916 |
#if defined(TARGET_MIPS64)
|
| 8917 |
/* MIPS64 specific opcodes */
|
| 8918 |
case OPC_DSLL:
|
| 8919 |
case OPC_DSRA:
|
| 8920 |
case OPC_DSLL32:
|
| 8921 |
case OPC_DSRA32:
|
| 8922 |
check_insn(env, ctx, ISA_MIPS3); |
| 8923 |
check_mips_64(ctx); |
| 8924 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| 8925 |
break;
|
| 8926 |
case OPC_DSRL:
|
| 8927 |
switch ((ctx->opcode >> 21) & 0x1f) { |
| 8928 |
case 1: |
| 8929 |
/* drotr is decoded as dsrl on non-R2 CPUs */
|
| 8930 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 8931 |
op1 = OPC_DROTR; |
| 8932 |
} |
| 8933 |
/* Fallthrough */
|
| 8934 |
case 0: |
| 8935 |
check_insn(env, ctx, ISA_MIPS3); |
| 8936 |
check_mips_64(ctx); |
| 8937 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| 8938 |
break;
|
| 8939 |
default:
|
| 8940 |
generate_exception(ctx, EXCP_RI); |
| 8941 |
break;
|
| 8942 |
} |
| 8943 |
break;
|
| 8944 |
case OPC_DSRL32:
|
| 8945 |
switch ((ctx->opcode >> 21) & 0x1f) { |
| 8946 |
case 1: |
| 8947 |
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
|
| 8948 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 8949 |
op1 = OPC_DROTR32; |
| 8950 |
} |
| 8951 |
/* Fallthrough */
|
| 8952 |
case 0: |
| 8953 |
check_insn(env, ctx, ISA_MIPS3); |
| 8954 |
check_mips_64(ctx); |
| 8955 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
| 8956 |
break;
|
| 8957 |
default:
|
| 8958 |
generate_exception(ctx, EXCP_RI); |
| 8959 |
break;
|
| 8960 |
} |
| 8961 |
break;
|
| 8962 |
case OPC_DADD ... OPC_DSUBU:
|
| 8963 |
check_insn(env, ctx, ISA_MIPS3); |
| 8964 |
check_mips_64(ctx); |
| 8965 |
gen_arith(env, ctx, op1, rd, rs, rt); |
| 8966 |
break;
|
| 8967 |
case OPC_DSLLV:
|
| 8968 |
case OPC_DSRAV:
|
| 8969 |
check_insn(env, ctx, ISA_MIPS3); |
| 8970 |
check_mips_64(ctx); |
| 8971 |
gen_shift(env, ctx, op1, rd, rs, rt); |
| 8972 |
break;
|
| 8973 |
case OPC_DSRLV:
|
| 8974 |
switch ((ctx->opcode >> 6) & 0x1f) { |
| 8975 |
case 1: |
| 8976 |
/* drotrv is decoded as dsrlv on non-R2 CPUs */
|
| 8977 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 8978 |
op1 = OPC_DROTRV; |
| 8979 |
} |
| 8980 |
/* Fallthrough */
|
| 8981 |
case 0: |
| 8982 |
check_insn(env, ctx, ISA_MIPS3); |
| 8983 |
check_mips_64(ctx); |
| 8984 |
gen_shift(env, ctx, op1, rd, rs, rt); |
| 8985 |
break;
|
| 8986 |
default:
|
| 8987 |
generate_exception(ctx, EXCP_RI); |
| 8988 |
break;
|
| 8989 |
} |
| 8990 |
break;
|
| 8991 |
case OPC_DMULT ... OPC_DDIVU:
|
| 8992 |
check_insn(env, ctx, ISA_MIPS3); |
| 8993 |
check_mips_64(ctx); |
| 8994 |
gen_muldiv(ctx, op1, rs, rt); |
| 8995 |
break;
|
| 8996 |
#endif
|
| 8997 |
default: /* Invalid */ |
| 8998 |
MIPS_INVAL("special");
|
| 8999 |
generate_exception(ctx, EXCP_RI); |
| 9000 |
break;
|
| 9001 |
} |
| 9002 |
break;
|
| 9003 |
case OPC_SPECIAL2:
|
| 9004 |
op1 = MASK_SPECIAL2(ctx->opcode); |
| 9005 |
switch (op1) {
|
| 9006 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
| 9007 |
case OPC_MSUB ... OPC_MSUBU:
|
| 9008 |
check_insn(env, ctx, ISA_MIPS32); |
| 9009 |
gen_muldiv(ctx, op1, rs, rt); |
| 9010 |
break;
|
| 9011 |
case OPC_MUL:
|
| 9012 |
gen_arith(env, ctx, op1, rd, rs, rt); |
| 9013 |
break;
|
| 9014 |
case OPC_CLO:
|
| 9015 |
case OPC_CLZ:
|
| 9016 |
check_insn(env, ctx, ISA_MIPS32); |
| 9017 |
gen_cl(ctx, op1, rd, rs); |
| 9018 |
break;
|
| 9019 |
case OPC_SDBBP:
|
| 9020 |
/* XXX: not clear which exception should be raised
|
| 9021 |
* when in debug mode...
|
| 9022 |
*/
|
| 9023 |
check_insn(env, ctx, ISA_MIPS32); |
| 9024 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
| 9025 |
generate_exception(ctx, EXCP_DBp); |
| 9026 |
} else {
|
| 9027 |
generate_exception(ctx, EXCP_DBp); |
| 9028 |
} |
| 9029 |
/* Treat as NOP. */
|
| 9030 |
break;
|
| 9031 |
#if defined(TARGET_MIPS64)
|
| 9032 |
case OPC_DCLO:
|
| 9033 |
case OPC_DCLZ:
|
| 9034 |
check_insn(env, ctx, ISA_MIPS64); |
| 9035 |
check_mips_64(ctx); |
| 9036 |
gen_cl(ctx, op1, rd, rs); |
| 9037 |
break;
|
| 9038 |
#endif
|
| 9039 |
default: /* Invalid */ |
| 9040 |
MIPS_INVAL("special2");
|
| 9041 |
generate_exception(ctx, EXCP_RI); |
| 9042 |
break;
|
| 9043 |
} |
| 9044 |
break;
|
| 9045 |
case OPC_SPECIAL3:
|
| 9046 |
op1 = MASK_SPECIAL3(ctx->opcode); |
| 9047 |
switch (op1) {
|
| 9048 |
case OPC_EXT:
|
| 9049 |
case OPC_INS:
|
| 9050 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9051 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
| 9052 |
break;
|
| 9053 |
case OPC_BSHFL:
|
| 9054 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9055 |
op2 = MASK_BSHFL(ctx->opcode); |
| 9056 |
gen_bshfl(ctx, op2, rt, rd); |
| 9057 |
break;
|
| 9058 |
case OPC_RDHWR:
|
| 9059 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9060 |
{
|
| 9061 |
TCGv t0 = tcg_temp_new(); |
| 9062 |
|
| 9063 |
switch (rd) {
|
| 9064 |
case 0: |
| 9065 |
save_cpu_state(ctx, 1);
|
| 9066 |
gen_helper_rdhwr_cpunum(t0); |
| 9067 |
gen_store_gpr(t0, rt); |
| 9068 |
break;
|
| 9069 |
case 1: |
| 9070 |
save_cpu_state(ctx, 1);
|
| 9071 |
gen_helper_rdhwr_synci_step(t0); |
| 9072 |
gen_store_gpr(t0, rt); |
| 9073 |
break;
|
| 9074 |
case 2: |
| 9075 |
save_cpu_state(ctx, 1);
|
| 9076 |
gen_helper_rdhwr_cc(t0); |
| 9077 |
gen_store_gpr(t0, rt); |
| 9078 |
break;
|
| 9079 |
case 3: |
| 9080 |
save_cpu_state(ctx, 1);
|
| 9081 |
gen_helper_rdhwr_ccres(t0); |
| 9082 |
gen_store_gpr(t0, rt); |
| 9083 |
break;
|
| 9084 |
case 29: |
| 9085 |
#if defined(CONFIG_USER_ONLY)
|
| 9086 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); |
| 9087 |
gen_store_gpr(t0, rt); |
| 9088 |
break;
|
| 9089 |
#else
|
| 9090 |
/* XXX: Some CPUs implement this in hardware.
|
| 9091 |
Not supported yet. */
|
| 9092 |
#endif
|
| 9093 |
default: /* Invalid */ |
| 9094 |
MIPS_INVAL("rdhwr");
|
| 9095 |
generate_exception(ctx, EXCP_RI); |
| 9096 |
break;
|
| 9097 |
} |
| 9098 |
tcg_temp_free(t0); |
| 9099 |
} |
| 9100 |
break;
|
| 9101 |
case OPC_FORK:
|
| 9102 |
check_insn(env, ctx, ASE_MT); |
| 9103 |
{
|
| 9104 |
TCGv t0 = tcg_temp_new(); |
| 9105 |
TCGv t1 = tcg_temp_new(); |
| 9106 |
|
| 9107 |
gen_load_gpr(t0, rt); |
| 9108 |
gen_load_gpr(t1, rs); |
| 9109 |
gen_helper_fork(t0, t1); |
| 9110 |
tcg_temp_free(t0); |
| 9111 |
tcg_temp_free(t1); |
| 9112 |
} |
| 9113 |
break;
|
| 9114 |
case OPC_YIELD:
|
| 9115 |
check_insn(env, ctx, ASE_MT); |
| 9116 |
{
|
| 9117 |
TCGv t0 = tcg_temp_new(); |
| 9118 |
|
| 9119 |
save_cpu_state(ctx, 1);
|
| 9120 |
gen_load_gpr(t0, rs); |
| 9121 |
gen_helper_yield(t0, t0); |
| 9122 |
gen_store_gpr(t0, rd); |
| 9123 |
tcg_temp_free(t0); |
| 9124 |
} |
| 9125 |
break;
|
| 9126 |
#if defined(TARGET_MIPS64)
|
| 9127 |
case OPC_DEXTM ... OPC_DEXT:
|
| 9128 |
case OPC_DINSM ... OPC_DINS:
|
| 9129 |
check_insn(env, ctx, ISA_MIPS64R2); |
| 9130 |
check_mips_64(ctx); |
| 9131 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
| 9132 |
break;
|
| 9133 |
case OPC_DBSHFL:
|
| 9134 |
check_insn(env, ctx, ISA_MIPS64R2); |
| 9135 |
check_mips_64(ctx); |
| 9136 |
op2 = MASK_DBSHFL(ctx->opcode); |
| 9137 |
gen_bshfl(ctx, op2, rt, rd); |
| 9138 |
break;
|
| 9139 |
#endif
|
| 9140 |
default: /* Invalid */ |
| 9141 |
MIPS_INVAL("special3");
|
| 9142 |
generate_exception(ctx, EXCP_RI); |
| 9143 |
break;
|
| 9144 |
} |
| 9145 |
break;
|
| 9146 |
case OPC_REGIMM:
|
| 9147 |
op1 = MASK_REGIMM(ctx->opcode); |
| 9148 |
switch (op1) {
|
| 9149 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
| 9150 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
| 9151 |
gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2); |
| 9152 |
*is_branch = 1;
|
| 9153 |
break;
|
| 9154 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
| 9155 |
case OPC_TNEI:
|
| 9156 |
gen_trap(ctx, op1, rs, -1, imm);
|
| 9157 |
break;
|
| 9158 |
case OPC_SYNCI:
|
| 9159 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9160 |
/* Treat as NOP. */
|
| 9161 |
break;
|
| 9162 |
default: /* Invalid */ |
| 9163 |
MIPS_INVAL("regimm");
|
| 9164 |
generate_exception(ctx, EXCP_RI); |
| 9165 |
break;
|
| 9166 |
} |
| 9167 |
break;
|
| 9168 |
case OPC_CP0:
|
| 9169 |
check_cp0_enabled(ctx); |
| 9170 |
op1 = MASK_CP0(ctx->opcode); |
| 9171 |
switch (op1) {
|
| 9172 |
case OPC_MFC0:
|
| 9173 |
case OPC_MTC0:
|
| 9174 |
case OPC_MFTR:
|
| 9175 |
case OPC_MTTR:
|
| 9176 |
#if defined(TARGET_MIPS64)
|
| 9177 |
case OPC_DMFC0:
|
| 9178 |
case OPC_DMTC0:
|
| 9179 |
#endif
|
| 9180 |
#ifndef CONFIG_USER_ONLY
|
| 9181 |
gen_cp0(env, ctx, op1, rt, rd); |
| 9182 |
#endif /* !CONFIG_USER_ONLY */ |
| 9183 |
break;
|
| 9184 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
| 9185 |
#ifndef CONFIG_USER_ONLY
|
| 9186 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
| 9187 |
#endif /* !CONFIG_USER_ONLY */ |
| 9188 |
break;
|
| 9189 |
case OPC_MFMC0:
|
| 9190 |
#ifndef CONFIG_USER_ONLY
|
| 9191 |
{
|
| 9192 |
TCGv t0 = tcg_temp_new(); |
| 9193 |
|
| 9194 |
op2 = MASK_MFMC0(ctx->opcode); |
| 9195 |
switch (op2) {
|
| 9196 |
case OPC_DMT:
|
| 9197 |
check_insn(env, ctx, ASE_MT); |
| 9198 |
gen_helper_dmt(t0, t0); |
| 9199 |
gen_store_gpr(t0, rt); |
| 9200 |
break;
|
| 9201 |
case OPC_EMT:
|
| 9202 |
check_insn(env, ctx, ASE_MT); |
| 9203 |
gen_helper_emt(t0, t0); |
| 9204 |
gen_store_gpr(t0, rt); |
| 9205 |
break;
|
| 9206 |
case OPC_DVPE:
|
| 9207 |
check_insn(env, ctx, ASE_MT); |
| 9208 |
gen_helper_dvpe(t0, t0); |
| 9209 |
gen_store_gpr(t0, rt); |
| 9210 |
break;
|
| 9211 |
case OPC_EVPE:
|
| 9212 |
check_insn(env, ctx, ASE_MT); |
| 9213 |
gen_helper_evpe(t0, t0); |
| 9214 |
gen_store_gpr(t0, rt); |
| 9215 |
break;
|
| 9216 |
case OPC_DI:
|
| 9217 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9218 |
save_cpu_state(ctx, 1);
|
| 9219 |
gen_helper_di(t0); |
| 9220 |
gen_store_gpr(t0, rt); |
| 9221 |
/* Stop translation as we may have switched the execution mode */
|
| 9222 |
ctx->bstate = BS_STOP; |
| 9223 |
break;
|
| 9224 |
case OPC_EI:
|
| 9225 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9226 |
save_cpu_state(ctx, 1);
|
| 9227 |
gen_helper_ei(t0); |
| 9228 |
gen_store_gpr(t0, rt); |
| 9229 |
/* Stop translation as we may have switched the execution mode */
|
| 9230 |
ctx->bstate = BS_STOP; |
| 9231 |
break;
|
| 9232 |
default: /* Invalid */ |
| 9233 |
MIPS_INVAL("mfmc0");
|
| 9234 |
generate_exception(ctx, EXCP_RI); |
| 9235 |
break;
|
| 9236 |
} |
| 9237 |
tcg_temp_free(t0); |
| 9238 |
} |
| 9239 |
#endif /* !CONFIG_USER_ONLY */ |
| 9240 |
break;
|
| 9241 |
case OPC_RDPGPR:
|
| 9242 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9243 |
gen_load_srsgpr(rt, rd); |
| 9244 |
break;
|
| 9245 |
case OPC_WRPGPR:
|
| 9246 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9247 |
gen_store_srsgpr(rt, rd); |
| 9248 |
break;
|
| 9249 |
default:
|
| 9250 |
MIPS_INVAL("cp0");
|
| 9251 |
generate_exception(ctx, EXCP_RI); |
| 9252 |
break;
|
| 9253 |
} |
| 9254 |
break;
|
| 9255 |
case OPC_ADDI: /* Arithmetic with immediate opcode */ |
| 9256 |
case OPC_ADDIU:
|
| 9257 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
| 9258 |
break;
|
| 9259 |
case OPC_SLTI: /* Set on less than with immediate opcode */ |
| 9260 |
case OPC_SLTIU:
|
| 9261 |
gen_slt_imm(env, op, rt, rs, imm); |
| 9262 |
break;
|
| 9263 |
case OPC_ANDI: /* Arithmetic with immediate opcode */ |
| 9264 |
case OPC_LUI:
|
| 9265 |
case OPC_ORI:
|
| 9266 |
case OPC_XORI:
|
| 9267 |
gen_logic_imm(env, op, rt, rs, imm); |
| 9268 |
break;
|
| 9269 |
case OPC_J ... OPC_JAL: /* Jump */ |
| 9270 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
| 9271 |
gen_compute_branch(ctx, op, 4, rs, rt, offset);
|
| 9272 |
*is_branch = 1;
|
| 9273 |
break;
|
| 9274 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
| 9275 |
case OPC_BEQL ... OPC_BGTZL:
|
| 9276 |
gen_compute_branch(ctx, op, 4, rs, rt, imm << 2); |
| 9277 |
*is_branch = 1;
|
| 9278 |
break;
|
| 9279 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
| 9280 |
case OPC_SB ... OPC_SW:
|
| 9281 |
case OPC_SWR:
|
| 9282 |
case OPC_LL:
|
| 9283 |
gen_ldst(ctx, op, rt, rs, imm); |
| 9284 |
break;
|
| 9285 |
case OPC_SC:
|
| 9286 |
gen_st_cond(ctx, op, rt, rs, imm); |
| 9287 |
break;
|
| 9288 |
case OPC_CACHE:
|
| 9289 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
| 9290 |
/* Treat as NOP. */
|
| 9291 |
break;
|
| 9292 |
case OPC_PREF:
|
| 9293 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 9294 |
/* Treat as NOP. */
|
| 9295 |
break;
|
| 9296 |
|
| 9297 |
/* Floating point (COP1). */
|
| 9298 |
case OPC_LWC1:
|
| 9299 |
case OPC_LDC1:
|
| 9300 |
case OPC_SWC1:
|
| 9301 |
case OPC_SDC1:
|
| 9302 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 9303 |
check_cp1_enabled(ctx); |
| 9304 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
| 9305 |
} else {
|
| 9306 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 9307 |
} |
| 9308 |
break;
|
| 9309 |
|
| 9310 |
case OPC_CP1:
|
| 9311 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 9312 |
check_cp1_enabled(ctx); |
| 9313 |
op1 = MASK_CP1(ctx->opcode); |
| 9314 |
switch (op1) {
|
| 9315 |
case OPC_MFHC1:
|
| 9316 |
case OPC_MTHC1:
|
| 9317 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 9318 |
case OPC_MFC1:
|
| 9319 |
case OPC_CFC1:
|
| 9320 |
case OPC_MTC1:
|
| 9321 |
case OPC_CTC1:
|
| 9322 |
gen_cp1(ctx, op1, rt, rd); |
| 9323 |
break;
|
| 9324 |
#if defined(TARGET_MIPS64)
|
| 9325 |
case OPC_DMFC1:
|
| 9326 |
case OPC_DMTC1:
|
| 9327 |
check_insn(env, ctx, ISA_MIPS3); |
| 9328 |
gen_cp1(ctx, op1, rt, rd); |
| 9329 |
break;
|
| 9330 |
#endif
|
| 9331 |
case OPC_BC1ANY2:
|
| 9332 |
case OPC_BC1ANY4:
|
| 9333 |
check_cop1x(ctx); |
| 9334 |
check_insn(env, ctx, ASE_MIPS3D); |
| 9335 |
/* fall through */
|
| 9336 |
case OPC_BC1:
|
| 9337 |
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
| 9338 |
(rt >> 2) & 0x7, imm << 2); |
| 9339 |
*is_branch = 1;
|
| 9340 |
break;
|
| 9341 |
case OPC_S_FMT:
|
| 9342 |
case OPC_D_FMT:
|
| 9343 |
case OPC_W_FMT:
|
| 9344 |
case OPC_L_FMT:
|
| 9345 |
case OPC_PS_FMT:
|
| 9346 |
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, |
| 9347 |
(imm >> 8) & 0x7); |
| 9348 |
break;
|
| 9349 |
default:
|
| 9350 |
MIPS_INVAL("cp1");
|
| 9351 |
generate_exception (ctx, EXCP_RI); |
| 9352 |
break;
|
| 9353 |
} |
| 9354 |
} else {
|
| 9355 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 9356 |
} |
| 9357 |
break;
|
| 9358 |
|
| 9359 |
/* COP2. */
|
| 9360 |
case OPC_LWC2:
|
| 9361 |
case OPC_LDC2:
|
| 9362 |
case OPC_SWC2:
|
| 9363 |
case OPC_SDC2:
|
| 9364 |
case OPC_CP2:
|
| 9365 |
/* COP2: Not implemented. */
|
| 9366 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
| 9367 |
break;
|
| 9368 |
|
| 9369 |
case OPC_CP3:
|
| 9370 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 9371 |
check_cp1_enabled(ctx); |
| 9372 |
op1 = MASK_CP3(ctx->opcode); |
| 9373 |
switch (op1) {
|
| 9374 |
case OPC_LWXC1:
|
| 9375 |
case OPC_LDXC1:
|
| 9376 |
case OPC_LUXC1:
|
| 9377 |
case OPC_SWXC1:
|
| 9378 |
case OPC_SDXC1:
|
| 9379 |
case OPC_SUXC1:
|
| 9380 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
| 9381 |
break;
|
| 9382 |
case OPC_PREFX:
|
| 9383 |
/* Treat as NOP. */
|
| 9384 |
break;
|
| 9385 |
case OPC_ALNV_PS:
|
| 9386 |
case OPC_MADD_S:
|
| 9387 |
case OPC_MADD_D:
|
| 9388 |
case OPC_MADD_PS:
|
| 9389 |
case OPC_MSUB_S:
|
| 9390 |
case OPC_MSUB_D:
|
| 9391 |
case OPC_MSUB_PS:
|
| 9392 |
case OPC_NMADD_S:
|
| 9393 |
case OPC_NMADD_D:
|
| 9394 |
case OPC_NMADD_PS:
|
| 9395 |
case OPC_NMSUB_S:
|
| 9396 |
case OPC_NMSUB_D:
|
| 9397 |
case OPC_NMSUB_PS:
|
| 9398 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
| 9399 |
break;
|
| 9400 |
default:
|
| 9401 |
MIPS_INVAL("cp3");
|
| 9402 |
generate_exception (ctx, EXCP_RI); |
| 9403 |
break;
|
| 9404 |
} |
| 9405 |
} else {
|
| 9406 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 9407 |
} |
| 9408 |
break;
|
| 9409 |
|
| 9410 |
#if defined(TARGET_MIPS64)
|
| 9411 |
/* MIPS64 opcodes */
|
| 9412 |
case OPC_LWU:
|
| 9413 |
case OPC_LDL ... OPC_LDR:
|
| 9414 |
case OPC_SDL ... OPC_SDR:
|
| 9415 |
case OPC_LLD:
|
| 9416 |
case OPC_LD:
|
| 9417 |
case OPC_SD:
|
| 9418 |
check_insn(env, ctx, ISA_MIPS3); |
| 9419 |
check_mips_64(ctx); |
| 9420 |
gen_ldst(ctx, op, rt, rs, imm); |
| 9421 |
break;
|
| 9422 |
case OPC_SCD:
|
| 9423 |
check_insn(env, ctx, ISA_MIPS3); |
| 9424 |
check_mips_64(ctx); |
| 9425 |
gen_st_cond(ctx, op, rt, rs, imm); |
| 9426 |
break;
|
| 9427 |
case OPC_DADDI:
|
| 9428 |
case OPC_DADDIU:
|
| 9429 |
check_insn(env, ctx, ISA_MIPS3); |
| 9430 |
check_mips_64(ctx); |
| 9431 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
| 9432 |
break;
|
| 9433 |
#endif
|
| 9434 |
case OPC_JALX:
|
| 9435 |
check_insn(env, ctx, ASE_MIPS16); |
| 9436 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
| 9437 |
gen_compute_branch(ctx, op, 4, rs, rt, offset);
|
| 9438 |
*is_branch = 1;
|
| 9439 |
break;
|
| 9440 |
case OPC_MDMX:
|
| 9441 |
check_insn(env, ctx, ASE_MDMX); |
| 9442 |
/* MDMX: Not implemented. */
|
| 9443 |
default: /* Invalid */ |
| 9444 |
MIPS_INVAL("major opcode");
|
| 9445 |
generate_exception(ctx, EXCP_RI); |
| 9446 |
break;
|
| 9447 |
} |
| 9448 |
} |
| 9449 |
|
| 9450 |
static inline void |
| 9451 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
| 9452 |
int search_pc)
|
| 9453 |
{
|
| 9454 |
DisasContext ctx; |
| 9455 |
target_ulong pc_start; |
| 9456 |
uint16_t *gen_opc_end; |
| 9457 |
CPUBreakpoint *bp; |
| 9458 |
int j, lj = -1; |
| 9459 |
int num_insns;
|
| 9460 |
int max_insns;
|
| 9461 |
int insn_bytes;
|
| 9462 |
int is_branch;
|
| 9463 |
|
| 9464 |
if (search_pc)
|
| 9465 |
qemu_log("search pc %d\n", search_pc);
|
| 9466 |
|
| 9467 |
pc_start = tb->pc; |
| 9468 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| 9469 |
ctx.pc = pc_start; |
| 9470 |
ctx.saved_pc = -1;
|
| 9471 |
ctx.singlestep_enabled = env->singlestep_enabled; |
| 9472 |
ctx.tb = tb; |
| 9473 |
ctx.bstate = BS_NONE; |
| 9474 |
/* Restore delay slot state from the tb context. */
|
| 9475 |
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
|
| 9476 |
restore_cpu_state(env, &ctx); |
| 9477 |
#ifdef CONFIG_USER_ONLY
|
| 9478 |
ctx.mem_idx = MIPS_HFLAG_UM; |
| 9479 |
#else
|
| 9480 |
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
| 9481 |
#endif
|
| 9482 |
num_insns = 0;
|
| 9483 |
max_insns = tb->cflags & CF_COUNT_MASK; |
| 9484 |
if (max_insns == 0) |
| 9485 |
max_insns = CF_COUNT_MASK; |
| 9486 |
#ifdef DEBUG_DISAS
|
| 9487 |
qemu_log_mask(CPU_LOG_TB_CPU, "------------------------------------------------\n");
|
| 9488 |
/* FIXME: This may print out stale hflags from env... */
|
| 9489 |
log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
|
| 9490 |
#endif
|
| 9491 |
LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
|
| 9492 |
gen_icount_start(); |
| 9493 |
while (ctx.bstate == BS_NONE) {
|
| 9494 |
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
|
| 9495 |
QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
|
| 9496 |
if (bp->pc == ctx.pc) {
|
| 9497 |
save_cpu_state(&ctx, 1);
|
| 9498 |
ctx.bstate = BS_BRANCH; |
| 9499 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
| 9500 |
/* Include the breakpoint location or the tb won't
|
| 9501 |
* be flushed when it must be. */
|
| 9502 |
ctx.pc += 4;
|
| 9503 |
goto done_generating;
|
| 9504 |
} |
| 9505 |
} |
| 9506 |
} |
| 9507 |
|
| 9508 |
if (search_pc) {
|
| 9509 |
j = gen_opc_ptr - gen_opc_buf; |
| 9510 |
if (lj < j) {
|
| 9511 |
lj++; |
| 9512 |
while (lj < j)
|
| 9513 |
gen_opc_instr_start[lj++] = 0;
|
| 9514 |
} |
| 9515 |
gen_opc_pc[lj] = ctx.pc; |
| 9516 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
| 9517 |
gen_opc_instr_start[lj] = 1;
|
| 9518 |
gen_opc_icount[lj] = num_insns; |
| 9519 |
} |
| 9520 |
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
| 9521 |
gen_io_start(); |
| 9522 |
|
| 9523 |
is_branch = 0;
|
| 9524 |
if (!(ctx.hflags & MIPS_HFLAG_M16)) {
|
| 9525 |
ctx.opcode = ldl_code(ctx.pc); |
| 9526 |
insn_bytes = 4;
|
| 9527 |
decode_opc(env, &ctx, &is_branch); |
| 9528 |
} else if (env->insn_flags & ASE_MIPS16) { |
| 9529 |
ctx.opcode = lduw_code(ctx.pc); |
| 9530 |
insn_bytes = decode_mips16_opc(env, &ctx, &is_branch); |
| 9531 |
} else {
|
| 9532 |
generate_exception(&ctx, EXCP_RI); |
| 9533 |
break;
|
| 9534 |
} |
| 9535 |
if (!is_branch) {
|
| 9536 |
handle_delay_slot(env, &ctx, insn_bytes); |
| 9537 |
} |
| 9538 |
ctx.pc += insn_bytes; |
| 9539 |
|
| 9540 |
num_insns++; |
| 9541 |
|
| 9542 |
/* Execute a branch and its delay slot as a single instruction.
|
| 9543 |
This is what GDB expects and is consistent with what the
|
| 9544 |
hardware does (e.g. if a delay slot instruction faults, the
|
| 9545 |
reported PC is the PC of the branch). */
|
| 9546 |
if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0) |
| 9547 |
break;
|
| 9548 |
|
| 9549 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
| 9550 |
break;
|
| 9551 |
|
| 9552 |
if (gen_opc_ptr >= gen_opc_end)
|
| 9553 |
break;
|
| 9554 |
|
| 9555 |
if (num_insns >= max_insns)
|
| 9556 |
break;
|
| 9557 |
|
| 9558 |
if (singlestep)
|
| 9559 |
break;
|
| 9560 |
} |
| 9561 |
if (tb->cflags & CF_LAST_IO)
|
| 9562 |
gen_io_end(); |
| 9563 |
if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) {
|
| 9564 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
| 9565 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
| 9566 |
} else {
|
| 9567 |
switch (ctx.bstate) {
|
| 9568 |
case BS_STOP:
|
| 9569 |
gen_helper_interrupt_restart(); |
| 9570 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
| 9571 |
break;
|
| 9572 |
case BS_NONE:
|
| 9573 |
save_cpu_state(&ctx, 0);
|
| 9574 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
| 9575 |
break;
|
| 9576 |
case BS_EXCP:
|
| 9577 |
gen_helper_interrupt_restart(); |
| 9578 |
tcg_gen_exit_tb(0);
|
| 9579 |
break;
|
| 9580 |
case BS_BRANCH:
|
| 9581 |
default:
|
| 9582 |
break;
|
| 9583 |
} |
| 9584 |
} |
| 9585 |
done_generating:
|
| 9586 |
gen_icount_end(tb, num_insns); |
| 9587 |
*gen_opc_ptr = INDEX_op_end; |
| 9588 |
if (search_pc) {
|
| 9589 |
j = gen_opc_ptr - gen_opc_buf; |
| 9590 |
lj++; |
| 9591 |
while (lj <= j)
|
| 9592 |
gen_opc_instr_start[lj++] = 0;
|
| 9593 |
} else {
|
| 9594 |
tb->size = ctx.pc - pc_start; |
| 9595 |
tb->icount = num_insns; |
| 9596 |
} |
| 9597 |
#ifdef DEBUG_DISAS
|
| 9598 |
LOG_DISAS("\n");
|
| 9599 |
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
|
| 9600 |
qemu_log("IN: %s\n", lookup_symbol(pc_start));
|
| 9601 |
log_target_disas(pc_start, ctx.pc - pc_start, 0);
|
| 9602 |
qemu_log("\n");
|
| 9603 |
} |
| 9604 |
qemu_log_mask(CPU_LOG_TB_CPU, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
|
| 9605 |
#endif
|
| 9606 |
} |
| 9607 |
|
| 9608 |
void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
| 9609 |
{
|
| 9610 |
gen_intermediate_code_internal(env, tb, 0);
|
| 9611 |
} |
| 9612 |
|
| 9613 |
void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
| 9614 |
{
|
| 9615 |
gen_intermediate_code_internal(env, tb, 1);
|
| 9616 |
} |
| 9617 |
|
| 9618 |
static void fpu_dump_state(CPUState *env, FILE *f, |
| 9619 |
int (*fpu_fprintf)(FILE *f, const char *fmt, ...), |
| 9620 |
int flags)
|
| 9621 |
{
|
| 9622 |
int i;
|
| 9623 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
| 9624 |
|
| 9625 |
#define printfpr(fp) \
|
| 9626 |
do { \
|
| 9627 |
if (is_fpu64) \
|
| 9628 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
|
| 9629 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ |
| 9630 |
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ |
| 9631 |
else { \
|
| 9632 |
fpr_t tmp; \ |
| 9633 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
| 9634 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
| 9635 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
|
| 9636 |
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ |
| 9637 |
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ |
| 9638 |
} \ |
| 9639 |
} while(0) |
| 9640 |
|
| 9641 |
|
| 9642 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
|
| 9643 |
env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, env->active_fpu.fp_status, |
| 9644 |
get_float_exception_flags(&env->active_fpu.fp_status)); |
| 9645 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
| 9646 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
| 9647 |
printfpr(&env->active_fpu.fpr[i]); |
| 9648 |
} |
| 9649 |
|
| 9650 |
#undef printfpr
|
| 9651 |
} |
| 9652 |
|
| 9653 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
| 9654 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
| 9655 |
sign-extended values on 64bit machines. */
|
| 9656 |
|
| 9657 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
| 9658 |
|
| 9659 |
static void |
| 9660 |
cpu_mips_check_sign_extensions (CPUState *env, FILE *f, |
| 9661 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 9662 |
int flags)
|
| 9663 |
{
|
| 9664 |
int i;
|
| 9665 |
|
| 9666 |
if (!SIGN_EXT_P(env->active_tc.PC))
|
| 9667 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC); |
| 9668 |
if (!SIGN_EXT_P(env->active_tc.HI[0])) |
| 9669 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]); |
| 9670 |
if (!SIGN_EXT_P(env->active_tc.LO[0])) |
| 9671 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]); |
| 9672 |
if (!SIGN_EXT_P(env->btarget))
|
| 9673 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
| 9674 |
|
| 9675 |
for (i = 0; i < 32; i++) { |
| 9676 |
if (!SIGN_EXT_P(env->active_tc.gpr[i]))
|
| 9677 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]); |
| 9678 |
} |
| 9679 |
|
| 9680 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
| 9681 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
| 9682 |
if (!SIGN_EXT_P(env->lladdr))
|
| 9683 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr); |
| 9684 |
} |
| 9685 |
#endif
|
| 9686 |
|
| 9687 |
void cpu_dump_state (CPUState *env, FILE *f,
|
| 9688 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 9689 |
int flags)
|
| 9690 |
{
|
| 9691 |
int i;
|
| 9692 |
|
| 9693 |
cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n", |
| 9694 |
env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0], |
| 9695 |
env->hflags, env->btarget, env->bcond); |
| 9696 |
for (i = 0; i < 32; i++) { |
| 9697 |
if ((i & 3) == 0) |
| 9698 |
cpu_fprintf(f, "GPR%02d:", i);
|
| 9699 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
|
| 9700 |
if ((i & 3) == 3) |
| 9701 |
cpu_fprintf(f, "\n");
|
| 9702 |
} |
| 9703 |
|
| 9704 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
| 9705 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
| 9706 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
| 9707 |
env->CP0_Config0, env->CP0_Config1, env->lladdr); |
| 9708 |
if (env->hflags & MIPS_HFLAG_FPU)
|
| 9709 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
| 9710 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
| 9711 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
| 9712 |
#endif
|
| 9713 |
} |
| 9714 |
|
| 9715 |
static void mips_tcg_init(void) |
| 9716 |
{
|
| 9717 |
int i;
|
| 9718 |
static int inited; |
| 9719 |
|
| 9720 |
/* Initialize various static tables. */
|
| 9721 |
if (inited)
|
| 9722 |
return;
|
| 9723 |
|
| 9724 |
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
|
| 9725 |
TCGV_UNUSED(cpu_gpr[0]);
|
| 9726 |
for (i = 1; i < 32; i++) |
| 9727 |
cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, |
| 9728 |
offsetof(CPUState, active_tc.gpr[i]), |
| 9729 |
regnames[i]); |
| 9730 |
cpu_PC = tcg_global_mem_new(TCG_AREG0, |
| 9731 |
offsetof(CPUState, active_tc.PC), "PC");
|
| 9732 |
for (i = 0; i < MIPS_DSP_ACC; i++) { |
| 9733 |
cpu_HI[i] = tcg_global_mem_new(TCG_AREG0, |
| 9734 |
offsetof(CPUState, active_tc.HI[i]), |
| 9735 |
regnames_HI[i]); |
| 9736 |
cpu_LO[i] = tcg_global_mem_new(TCG_AREG0, |
| 9737 |
offsetof(CPUState, active_tc.LO[i]), |
| 9738 |
regnames_LO[i]); |
| 9739 |
cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0, |
| 9740 |
offsetof(CPUState, active_tc.ACX[i]), |
| 9741 |
regnames_ACX[i]); |
| 9742 |
} |
| 9743 |
cpu_dspctrl = tcg_global_mem_new(TCG_AREG0, |
| 9744 |
offsetof(CPUState, active_tc.DSPControl), |
| 9745 |
"DSPControl");
|
| 9746 |
bcond = tcg_global_mem_new(TCG_AREG0, |
| 9747 |
offsetof(CPUState, bcond), "bcond");
|
| 9748 |
btarget = tcg_global_mem_new(TCG_AREG0, |
| 9749 |
offsetof(CPUState, btarget), "btarget");
|
| 9750 |
hflags = tcg_global_mem_new_i32(TCG_AREG0, |
| 9751 |
offsetof(CPUState, hflags), "hflags");
|
| 9752 |
|
| 9753 |
fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0, |
| 9754 |
offsetof(CPUState, active_fpu.fcr0), |
| 9755 |
"fcr0");
|
| 9756 |
fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0, |
| 9757 |
offsetof(CPUState, active_fpu.fcr31), |
| 9758 |
"fcr31");
|
| 9759 |
|
| 9760 |
/* register helpers */
|
| 9761 |
#define GEN_HELPER 2 |
| 9762 |
#include "helper.h" |
| 9763 |
|
| 9764 |
inited = 1;
|
| 9765 |
} |
| 9766 |
|
| 9767 |
#include "translate_init.c" |
| 9768 |
|
| 9769 |
CPUMIPSState *cpu_mips_init (const char *cpu_model) |
| 9770 |
{
|
| 9771 |
CPUMIPSState *env; |
| 9772 |
const mips_def_t *def;
|
| 9773 |
|
| 9774 |
def = cpu_mips_find_by_name(cpu_model); |
| 9775 |
if (!def)
|
| 9776 |
return NULL; |
| 9777 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
| 9778 |
env->cpu_model = def; |
| 9779 |
env->cpu_model_str = cpu_model; |
| 9780 |
|
| 9781 |
cpu_exec_init(env); |
| 9782 |
#ifndef CONFIG_USER_ONLY
|
| 9783 |
mmu_init(env, def); |
| 9784 |
#endif
|
| 9785 |
fpu_init(env, def); |
| 9786 |
mvp_init(env, def); |
| 9787 |
mips_tcg_init(); |
| 9788 |
cpu_reset(env); |
| 9789 |
qemu_init_vcpu(env); |
| 9790 |
return env;
|
| 9791 |
} |
| 9792 |
|
| 9793 |
void cpu_reset (CPUMIPSState *env)
|
| 9794 |
{
|
| 9795 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
| 9796 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
| 9797 |
log_cpu_state(env, 0);
|
| 9798 |
} |
| 9799 |
|
| 9800 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
| 9801 |
tlb_flush(env, 1);
|
| 9802 |
|
| 9803 |
/* Reset registers to their default values */
|
| 9804 |
env->CP0_PRid = env->cpu_model->CP0_PRid; |
| 9805 |
env->CP0_Config0 = env->cpu_model->CP0_Config0; |
| 9806 |
#ifdef TARGET_WORDS_BIGENDIAN
|
| 9807 |
env->CP0_Config0 |= (1 << CP0C0_BE);
|
| 9808 |
#endif
|
| 9809 |
env->CP0_Config1 = env->cpu_model->CP0_Config1; |
| 9810 |
env->CP0_Config2 = env->cpu_model->CP0_Config2; |
| 9811 |
env->CP0_Config3 = env->cpu_model->CP0_Config3; |
| 9812 |
env->CP0_Config6 = env->cpu_model->CP0_Config6; |
| 9813 |
env->CP0_Config7 = env->cpu_model->CP0_Config7; |
| 9814 |
env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask |
| 9815 |
<< env->cpu_model->CP0_LLAddr_shift; |
| 9816 |
env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift; |
| 9817 |
env->SYNCI_Step = env->cpu_model->SYNCI_Step; |
| 9818 |
env->CCRes = env->cpu_model->CCRes; |
| 9819 |
env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask; |
| 9820 |
env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask; |
| 9821 |
env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl; |
| 9822 |
env->current_tc = 0;
|
| 9823 |
env->SEGBITS = env->cpu_model->SEGBITS; |
| 9824 |
env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1); |
| 9825 |
#if defined(TARGET_MIPS64)
|
| 9826 |
if (env->cpu_model->insn_flags & ISA_MIPS3) {
|
| 9827 |
env->SEGMask |= 3ULL << 62; |
| 9828 |
} |
| 9829 |
#endif
|
| 9830 |
env->PABITS = env->cpu_model->PABITS; |
| 9831 |
env->PAMask = (target_ulong)((1ULL << env->cpu_model->PABITS) - 1); |
| 9832 |
env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask; |
| 9833 |
env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0; |
| 9834 |
env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask; |
| 9835 |
env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1; |
| 9836 |
env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask; |
| 9837 |
env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2; |
| 9838 |
env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask; |
| 9839 |
env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3; |
| 9840 |
env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask; |
| 9841 |
env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4; |
| 9842 |
env->insn_flags = env->cpu_model->insn_flags; |
| 9843 |
|
| 9844 |
#if defined(CONFIG_USER_ONLY)
|
| 9845 |
env->hflags = MIPS_HFLAG_UM; |
| 9846 |
/* Enable access to the SYNCI_Step register. */
|
| 9847 |
env->CP0_HWREna |= (1 << 1); |
| 9848 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 9849 |
env->hflags |= MIPS_HFLAG_FPU; |
| 9850 |
} |
| 9851 |
#ifdef TARGET_MIPS64
|
| 9852 |
if (env->active_fpu.fcr0 & (1 << FCR0_F64)) { |
| 9853 |
env->hflags |= MIPS_HFLAG_F64; |
| 9854 |
} |
| 9855 |
#endif
|
| 9856 |
#else
|
| 9857 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
| 9858 |
/* If the exception was raised from a delay slot,
|
| 9859 |
come back to the jump. */
|
| 9860 |
env->CP0_ErrorEPC = env->active_tc.PC - 4;
|
| 9861 |
} else {
|
| 9862 |
env->CP0_ErrorEPC = env->active_tc.PC; |
| 9863 |
} |
| 9864 |
env->active_tc.PC = (int32_t)0xBFC00000;
|
| 9865 |
env->CP0_Random = env->tlb->nb_tlb - 1;
|
| 9866 |
env->tlb->tlb_in_use = env->tlb->nb_tlb; |
| 9867 |
env->CP0_Wired = 0;
|
| 9868 |
/* SMP not implemented */
|
| 9869 |
env->CP0_EBase = 0x80000000;
|
| 9870 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
| 9871 |
/* vectored interrupts not implemented, timer on int 7,
|
| 9872 |
no performance counters. */
|
| 9873 |
env->CP0_IntCtl = 0xe0000000;
|
| 9874 |
{
|
| 9875 |
int i;
|
| 9876 |
|
| 9877 |
for (i = 0; i < 7; i++) { |
| 9878 |
env->CP0_WatchLo[i] = 0;
|
| 9879 |
env->CP0_WatchHi[i] = 0x80000000;
|
| 9880 |
} |
| 9881 |
env->CP0_WatchLo[7] = 0; |
| 9882 |
env->CP0_WatchHi[7] = 0; |
| 9883 |
} |
| 9884 |
/* Count register increments in debug mode, EJTAG version 1 */
|
| 9885 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
| 9886 |
env->hflags = MIPS_HFLAG_CP0; |
| 9887 |
#endif
|
| 9888 |
#if defined(TARGET_MIPS64)
|
| 9889 |
if (env->cpu_model->insn_flags & ISA_MIPS3) {
|
| 9890 |
env->hflags |= MIPS_HFLAG_64; |
| 9891 |
} |
| 9892 |
#endif
|
| 9893 |
env->exception_index = EXCP_NONE; |
| 9894 |
} |
| 9895 |
|
| 9896 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
| 9897 |
unsigned long searched_pc, int pc_pos, void *puc) |
| 9898 |
{
|
| 9899 |
env->active_tc.PC = gen_opc_pc[pc_pos]; |
| 9900 |
env->hflags &= ~MIPS_HFLAG_BMASK; |
| 9901 |
env->hflags |= gen_opc_hflags[pc_pos]; |
| 9902 |
} |