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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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*
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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_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_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_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_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_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_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_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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/* 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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/* 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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/* BSHFL opcodes */
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#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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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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/* DBSHFL opcodes */
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#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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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, |
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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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enum {
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OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
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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, |
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OPC_MFTR = (0x08 << 21) | OPC_CP0, |
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OPC_RDPGPR = (0x0A << 21) | OPC_CP0, |
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OPC_MFMC0 = (0x0B << 21) | OPC_CP0, |
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OPC_MTTR = (0x0C << 21) | OPC_CP0, |
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OPC_WRPGPR = (0x0E << 21) | OPC_CP0, |
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OPC_C0 = (0x10 << 21) | OPC_CP0, |
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OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, |
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OPC_C0_LAST = (0x1F << 21) | OPC_CP0, |
317 |
}; |
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|
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/* MFMC0 opcodes */
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#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
321 |
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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, |
327 |
OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, |
328 |
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
329 |
}; |
330 |
|
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/* Coprocessor 0 (with rs == C0) */
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332 |
#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
333 |
|
334 |
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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}; |
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/* Coprocessor 1 (rs field) */
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#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
347 |
|
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enum {
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OPC_MFC1 = (0x00 << 21) | OPC_CP1, |
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OPC_DMFC1 = (0x01 << 21) | OPC_CP1, |
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OPC_CFC1 = (0x02 << 21) | OPC_CP1, |
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OPC_MFHC1 = (0x03 << 21) | OPC_CP1, |
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OPC_MTC1 = (0x04 << 21) | OPC_CP1, |
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OPC_DMTC1 = (0x05 << 21) | OPC_CP1, |
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OPC_CTC1 = (0x06 << 21) | OPC_CP1, |
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OPC_MTHC1 = (0x07 << 21) | OPC_CP1, |
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OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ |
358 |
OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
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OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, |
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OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */ |
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OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */ |
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OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */ |
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OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ |
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OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ |
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OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ |
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OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ |
367 |
}; |
368 |
|
369 |
#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
370 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
371 |
|
372 |
enum {
|
373 |
OPC_BC1F = (0x00 << 16) | OPC_BC1, |
374 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
375 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
376 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
377 |
}; |
378 |
|
379 |
enum {
|
380 |
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
381 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
382 |
}; |
383 |
|
384 |
enum {
|
385 |
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
386 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
387 |
}; |
388 |
|
389 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
390 |
|
391 |
enum {
|
392 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
393 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
394 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
395 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
396 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
397 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
398 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
399 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
400 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
401 |
}; |
402 |
|
403 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
404 |
|
405 |
enum {
|
406 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
407 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
408 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
409 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
410 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
411 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
412 |
OPC_PREFX = 0x0F | OPC_CP3,
|
413 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
414 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
415 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
416 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
417 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
418 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
419 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
420 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
421 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
422 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
423 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
424 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
425 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
426 |
}; |
427 |
|
428 |
/* global register indices */
|
429 |
static TCGv_ptr cpu_env;
|
430 |
static TCGv cpu_gpr[32], cpu_PC; |
431 |
static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC];
|
432 |
static TCGv cpu_dspctrl, btarget, bcond;
|
433 |
static TCGv_i32 hflags;
|
434 |
static TCGv_i32 fpu_fcr0, fpu_fcr31;
|
435 |
|
436 |
#include "gen-icount.h" |
437 |
|
438 |
#define gen_helper_0i(name, arg) do { \ |
439 |
TCGv_i32 helper_tmp = tcg_const_i32(arg); \ |
440 |
gen_helper_##name(helper_tmp); \ |
441 |
tcg_temp_free_i32(helper_tmp); \ |
442 |
} while(0) |
443 |
|
444 |
#define gen_helper_1i(name, arg1, arg2) do { \ |
445 |
TCGv_i32 helper_tmp = tcg_const_i32(arg2); \ |
446 |
gen_helper_##name(arg1, helper_tmp); \ |
447 |
tcg_temp_free_i32(helper_tmp); \ |
448 |
} while(0) |
449 |
|
450 |
#define gen_helper_2i(name, arg1, arg2, arg3) do { \ |
451 |
TCGv_i32 helper_tmp = tcg_const_i32(arg3); \ |
452 |
gen_helper_##name(arg1, arg2, helper_tmp); \ |
453 |
tcg_temp_free_i32(helper_tmp); \ |
454 |
} while(0) |
455 |
|
456 |
#define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \ |
457 |
TCGv_i32 helper_tmp = tcg_const_i32(arg4); \ |
458 |
gen_helper_##name(arg1, arg2, arg3, helper_tmp); \ |
459 |
tcg_temp_free_i32(helper_tmp); \ |
460 |
} while(0) |
461 |
|
462 |
typedef struct DisasContext { |
463 |
struct TranslationBlock *tb;
|
464 |
target_ulong pc, saved_pc; |
465 |
uint32_t opcode; |
466 |
int singlestep_enabled;
|
467 |
/* Routine used to access memory */
|
468 |
int mem_idx;
|
469 |
uint32_t hflags, saved_hflags; |
470 |
int bstate;
|
471 |
target_ulong btarget; |
472 |
} DisasContext; |
473 |
|
474 |
enum {
|
475 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
476 |
* exception condition */
|
477 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
478 |
BS_BRANCH = 2, /* We reached a branch condition */ |
479 |
BS_EXCP = 3, /* We reached an exception condition */ |
480 |
}; |
481 |
|
482 |
static const char *regnames[] = |
483 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
484 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
485 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
486 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
487 |
|
488 |
static const char *regnames_HI[] = |
489 |
{ "HI0", "HI1", "HI2", "HI3", }; |
490 |
|
491 |
static const char *regnames_LO[] = |
492 |
{ "LO0", "LO1", "LO2", "LO3", }; |
493 |
|
494 |
static const char *regnames_ACX[] = |
495 |
{ "ACX0", "ACX1", "ACX2", "ACX3", }; |
496 |
|
497 |
static const char *fregnames[] = |
498 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
499 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
500 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
501 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
502 |
|
503 |
#ifdef MIPS_DEBUG_DISAS
|
504 |
#define MIPS_DEBUG(fmt, ...) \
|
505 |
qemu_log_mask(CPU_LOG_TB_IN_ASM, \ |
506 |
TARGET_FMT_lx ": %08x " fmt "\n", \ |
507 |
ctx->pc, ctx->opcode , ## __VA_ARGS__) |
508 |
#define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__) |
509 |
#else
|
510 |
#define MIPS_DEBUG(fmt, ...) do { } while(0) |
511 |
#define LOG_DISAS(...) do { } while (0) |
512 |
#endif
|
513 |
|
514 |
#define MIPS_INVAL(op) \
|
515 |
do { \
|
516 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
517 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
518 |
} while (0) |
519 |
|
520 |
/* General purpose registers moves. */
|
521 |
static inline void gen_load_gpr (TCGv t, int reg) |
522 |
{ |
523 |
if (reg == 0) |
524 |
tcg_gen_movi_tl(t, 0);
|
525 |
else
|
526 |
tcg_gen_mov_tl(t, cpu_gpr[reg]); |
527 |
} |
528 |
|
529 |
static inline void gen_store_gpr (TCGv t, int reg) |
530 |
{ |
531 |
if (reg != 0) |
532 |
tcg_gen_mov_tl(cpu_gpr[reg], t); |
533 |
} |
534 |
|
535 |
/* Moves to/from ACX register. */
|
536 |
static inline void gen_load_ACX (TCGv t, int reg) |
537 |
{ |
538 |
tcg_gen_mov_tl(t, cpu_ACX[reg]); |
539 |
} |
540 |
|
541 |
static inline void gen_store_ACX (TCGv t, int reg) |
542 |
{ |
543 |
tcg_gen_mov_tl(cpu_ACX[reg], t); |
544 |
} |
545 |
|
546 |
/* Moves to/from shadow registers. */
|
547 |
static inline void gen_load_srsgpr (int from, int to) |
548 |
{ |
549 |
TCGv t0 = tcg_temp_new(); |
550 |
|
551 |
if (from == 0) |
552 |
tcg_gen_movi_tl(t0, 0);
|
553 |
else {
|
554 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
555 |
TCGv_ptr addr = tcg_temp_new_ptr(); |
556 |
|
557 |
tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
558 |
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
559 |
tcg_gen_andi_i32(t2, t2, 0xf);
|
560 |
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
561 |
tcg_gen_ext_i32_ptr(addr, t2); |
562 |
tcg_gen_add_ptr(addr, cpu_env, addr); |
563 |
|
564 |
tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
|
565 |
tcg_temp_free_ptr(addr); |
566 |
tcg_temp_free_i32(t2); |
567 |
} |
568 |
gen_store_gpr(t0, to); |
569 |
tcg_temp_free(t0); |
570 |
} |
571 |
|
572 |
static inline void gen_store_srsgpr (int from, int to) |
573 |
{ |
574 |
if (to != 0) { |
575 |
TCGv t0 = tcg_temp_new(); |
576 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
577 |
TCGv_ptr addr = tcg_temp_new_ptr(); |
578 |
|
579 |
gen_load_gpr(t0, from); |
580 |
tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
581 |
tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); |
582 |
tcg_gen_andi_i32(t2, t2, 0xf);
|
583 |
tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); |
584 |
tcg_gen_ext_i32_ptr(addr, t2); |
585 |
tcg_gen_add_ptr(addr, cpu_env, addr); |
586 |
|
587 |
tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
|
588 |
tcg_temp_free_ptr(addr); |
589 |
tcg_temp_free_i32(t2); |
590 |
tcg_temp_free(t0); |
591 |
} |
592 |
} |
593 |
|
594 |
/* Floating point register moves. */
|
595 |
static inline void gen_load_fpr32 (TCGv_i32 t, int reg) |
596 |
{ |
597 |
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
598 |
} |
599 |
|
600 |
static inline void gen_store_fpr32 (TCGv_i32 t, int reg) |
601 |
{ |
602 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX])); |
603 |
} |
604 |
|
605 |
static inline void gen_load_fpr32h (TCGv_i32 t, int reg) |
606 |
{ |
607 |
tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
608 |
} |
609 |
|
610 |
static inline void gen_store_fpr32h (TCGv_i32 t, int reg) |
611 |
{ |
612 |
tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX])); |
613 |
} |
614 |
|
615 |
static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
616 |
{ |
617 |
if (ctx->hflags & MIPS_HFLAG_F64) {
|
618 |
tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
619 |
} else {
|
620 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
621 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
622 |
gen_load_fpr32(t0, reg & ~1);
|
623 |
gen_load_fpr32(t1, reg | 1);
|
624 |
tcg_gen_concat_i32_i64(t, t0, t1); |
625 |
tcg_temp_free_i32(t0); |
626 |
tcg_temp_free_i32(t1); |
627 |
} |
628 |
} |
629 |
|
630 |
static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) |
631 |
{ |
632 |
if (ctx->hflags & MIPS_HFLAG_F64) {
|
633 |
tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d)); |
634 |
} else {
|
635 |
TCGv_i64 t0 = tcg_temp_new_i64(); |
636 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
637 |
tcg_gen_trunc_i64_i32(t1, t); |
638 |
gen_store_fpr32(t1, reg & ~1);
|
639 |
tcg_gen_shri_i64(t0, t, 32);
|
640 |
tcg_gen_trunc_i64_i32(t1, t0); |
641 |
gen_store_fpr32(t1, reg | 1);
|
642 |
tcg_temp_free_i32(t1); |
643 |
tcg_temp_free_i64(t0); |
644 |
} |
645 |
} |
646 |
|
647 |
static inline int get_fp_bit (int cc) |
648 |
{ |
649 |
if (cc)
|
650 |
return 24 + cc; |
651 |
else
|
652 |
return 23; |
653 |
} |
654 |
|
655 |
#define FOP_CONDS(type, fmt, bits) \
|
656 |
static inline void gen_cmp ## type ## _ ## fmt(int n, TCGv_i##bits a, \ |
657 |
TCGv_i##bits b, int cc) \ |
658 |
{ \ |
659 |
switch (n) { \
|
660 |
case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, a, b, cc); break;\ |
661 |
case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, a, b, cc); break;\ |
662 |
case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, a, b, cc); break;\ |
663 |
case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, a, b, cc); break;\ |
664 |
case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, a, b, cc); break;\ |
665 |
case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, a, b, cc); break;\ |
666 |
case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, a, b, cc); break;\ |
667 |
case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, a, b, cc); break;\ |
668 |
case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, a, b, cc); break;\ |
669 |
case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, a, b, cc); break;\ |
670 |
case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, a, b, cc); break;\ |
671 |
case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, a, b, cc); break;\ |
672 |
case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, a, b, cc); break;\ |
673 |
case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, a, b, cc); break;\ |
674 |
case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, a, b, cc); break;\ |
675 |
case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, a, b, cc); break;\ |
676 |
default: abort(); \
|
677 |
} \ |
678 |
} |
679 |
|
680 |
FOP_CONDS(, d, 64)
|
681 |
FOP_CONDS(abs, d, 64)
|
682 |
FOP_CONDS(, s, 32)
|
683 |
FOP_CONDS(abs, s, 32)
|
684 |
FOP_CONDS(, ps, 64)
|
685 |
FOP_CONDS(abs, ps, 64)
|
686 |
#undef FOP_CONDS
|
687 |
|
688 |
/* Tests */
|
689 |
#define OP_COND(name, cond) \
|
690 |
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, TCGv t1) \ |
691 |
{ \ |
692 |
int l1 = gen_new_label(); \
|
693 |
int l2 = gen_new_label(); \
|
694 |
\ |
695 |
tcg_gen_brcond_tl(cond, t0, t1, l1); \ |
696 |
tcg_gen_movi_tl(ret, 0); \
|
697 |
tcg_gen_br(l2); \ |
698 |
gen_set_label(l1); \ |
699 |
tcg_gen_movi_tl(ret, 1); \
|
700 |
gen_set_label(l2); \ |
701 |
} |
702 |
OP_COND(eq, TCG_COND_EQ); |
703 |
OP_COND(ne, TCG_COND_NE); |
704 |
OP_COND(ge, TCG_COND_GE); |
705 |
OP_COND(geu, TCG_COND_GEU); |
706 |
OP_COND(lt, TCG_COND_LT); |
707 |
OP_COND(ltu, TCG_COND_LTU); |
708 |
#undef OP_COND
|
709 |
|
710 |
#define OP_CONDI(name, cond) \
|
711 |
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, target_ulong val) \ |
712 |
{ \ |
713 |
int l1 = gen_new_label(); \
|
714 |
int l2 = gen_new_label(); \
|
715 |
\ |
716 |
tcg_gen_brcondi_tl(cond, t0, val, l1); \ |
717 |
tcg_gen_movi_tl(ret, 0); \
|
718 |
tcg_gen_br(l2); \ |
719 |
gen_set_label(l1); \ |
720 |
tcg_gen_movi_tl(ret, 1); \
|
721 |
gen_set_label(l2); \ |
722 |
} |
723 |
OP_CONDI(lti, TCG_COND_LT); |
724 |
OP_CONDI(ltiu, TCG_COND_LTU); |
725 |
#undef OP_CONDI
|
726 |
|
727 |
#define OP_CONDZ(name, cond) \
|
728 |
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0) \ |
729 |
{ \ |
730 |
int l1 = gen_new_label(); \
|
731 |
int l2 = gen_new_label(); \
|
732 |
\ |
733 |
tcg_gen_brcondi_tl(cond, t0, 0, l1); \
|
734 |
tcg_gen_movi_tl(ret, 0); \
|
735 |
tcg_gen_br(l2); \ |
736 |
gen_set_label(l1); \ |
737 |
tcg_gen_movi_tl(ret, 1); \
|
738 |
gen_set_label(l2); \ |
739 |
} |
740 |
OP_CONDZ(gez, TCG_COND_GE); |
741 |
OP_CONDZ(gtz, TCG_COND_GT); |
742 |
OP_CONDZ(lez, TCG_COND_LE); |
743 |
OP_CONDZ(ltz, TCG_COND_LT); |
744 |
#undef OP_CONDZ
|
745 |
|
746 |
static inline void gen_save_pc(target_ulong pc) |
747 |
{ |
748 |
tcg_gen_movi_tl(cpu_PC, pc); |
749 |
} |
750 |
|
751 |
static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
752 |
{ |
753 |
LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
|
754 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
755 |
gen_save_pc(ctx->pc); |
756 |
ctx->saved_pc = ctx->pc; |
757 |
} |
758 |
if (ctx->hflags != ctx->saved_hflags) {
|
759 |
tcg_gen_movi_i32(hflags, ctx->hflags); |
760 |
ctx->saved_hflags = ctx->hflags; |
761 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
762 |
case MIPS_HFLAG_BR:
|
763 |
break;
|
764 |
case MIPS_HFLAG_BC:
|
765 |
case MIPS_HFLAG_BL:
|
766 |
case MIPS_HFLAG_B:
|
767 |
tcg_gen_movi_tl(btarget, ctx->btarget); |
768 |
break;
|
769 |
} |
770 |
} |
771 |
} |
772 |
|
773 |
static inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
774 |
{ |
775 |
ctx->saved_hflags = ctx->hflags; |
776 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
777 |
case MIPS_HFLAG_BR:
|
778 |
break;
|
779 |
case MIPS_HFLAG_BC:
|
780 |
case MIPS_HFLAG_BL:
|
781 |
case MIPS_HFLAG_B:
|
782 |
ctx->btarget = env->btarget; |
783 |
break;
|
784 |
} |
785 |
} |
786 |
|
787 |
static inline void |
788 |
generate_exception_err (DisasContext *ctx, int excp, int err) |
789 |
{ |
790 |
TCGv_i32 texcp = tcg_const_i32(excp); |
791 |
TCGv_i32 terr = tcg_const_i32(err); |
792 |
save_cpu_state(ctx, 1);
|
793 |
gen_helper_raise_exception_err(texcp, terr); |
794 |
tcg_temp_free_i32(terr); |
795 |
tcg_temp_free_i32(texcp); |
796 |
} |
797 |
|
798 |
static inline void |
799 |
generate_exception (DisasContext *ctx, int excp)
|
800 |
{ |
801 |
save_cpu_state(ctx, 1);
|
802 |
gen_helper_0i(raise_exception, excp); |
803 |
} |
804 |
|
805 |
/* Addresses computation */
|
806 |
static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) |
807 |
{ |
808 |
tcg_gen_add_tl(ret, arg0, arg1); |
809 |
|
810 |
#if defined(TARGET_MIPS64)
|
811 |
/* For compatibility with 32-bit code, data reference in user mode
|
812 |
with Status_UX = 0 should be casted to 32-bit and sign extended.
|
813 |
See the MIPS64 PRA manual, section 4.10. */
|
814 |
if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
|
815 |
!(ctx->hflags & MIPS_HFLAG_UX)) { |
816 |
tcg_gen_ext32s_i64(ret, ret); |
817 |
} |
818 |
#endif
|
819 |
} |
820 |
|
821 |
static inline void check_cp0_enabled(DisasContext *ctx) |
822 |
{ |
823 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
|
824 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
825 |
} |
826 |
|
827 |
static inline void check_cp1_enabled(DisasContext *ctx) |
828 |
{ |
829 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
|
830 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
831 |
} |
832 |
|
833 |
/* Verify that the processor is running with COP1X instructions enabled.
|
834 |
This is associated with the nabla symbol in the MIPS32 and MIPS64
|
835 |
opcode tables. */
|
836 |
|
837 |
static inline void check_cop1x(DisasContext *ctx) |
838 |
{ |
839 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
|
840 |
generate_exception(ctx, EXCP_RI); |
841 |
} |
842 |
|
843 |
/* Verify that the processor is running with 64-bit floating-point
|
844 |
operations enabled. */
|
845 |
|
846 |
static inline void check_cp1_64bitmode(DisasContext *ctx) |
847 |
{ |
848 |
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
|
849 |
generate_exception(ctx, EXCP_RI); |
850 |
} |
851 |
|
852 |
/*
|
853 |
* Verify if floating point register is valid; an operation is not defined
|
854 |
* if bit 0 of any register specification is set and the FR bit in the
|
855 |
* Status register equals zero, since the register numbers specify an
|
856 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
857 |
* in the Status register equals one, both even and odd register numbers
|
858 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
859 |
*
|
860 |
* Multiple 64 bit wide registers can be checked by calling
|
861 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
862 |
*/
|
863 |
static inline void check_cp1_registers(DisasContext *ctx, int regs) |
864 |
{ |
865 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
866 |
generate_exception(ctx, EXCP_RI); |
867 |
} |
868 |
|
869 |
/* This code generates a "reserved instruction" exception if the
|
870 |
CPU does not support the instruction set corresponding to flags. */
|
871 |
static inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
872 |
{ |
873 |
if (unlikely(!(env->insn_flags & flags)))
|
874 |
generate_exception(ctx, EXCP_RI); |
875 |
} |
876 |
|
877 |
/* This code generates a "reserved instruction" exception if 64-bit
|
878 |
instructions are not enabled. */
|
879 |
static inline void check_mips_64(DisasContext *ctx) |
880 |
{ |
881 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
|
882 |
generate_exception(ctx, EXCP_RI); |
883 |
} |
884 |
|
885 |
/* load/store instructions. */
|
886 |
#define OP_LD(insn,fname) \
|
887 |
static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
888 |
{ \ |
889 |
tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ |
890 |
} |
891 |
OP_LD(lb,ld8s); |
892 |
OP_LD(lbu,ld8u); |
893 |
OP_LD(lh,ld16s); |
894 |
OP_LD(lhu,ld16u); |
895 |
OP_LD(lw,ld32s); |
896 |
#if defined(TARGET_MIPS64)
|
897 |
OP_LD(lwu,ld32u); |
898 |
OP_LD(ld,ld64); |
899 |
#endif
|
900 |
#undef OP_LD
|
901 |
|
902 |
#define OP_ST(insn,fname) \
|
903 |
static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \ |
904 |
{ \ |
905 |
tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \ |
906 |
} |
907 |
OP_ST(sb,st8); |
908 |
OP_ST(sh,st16); |
909 |
OP_ST(sw,st32); |
910 |
#if defined(TARGET_MIPS64)
|
911 |
OP_ST(sd,st64); |
912 |
#endif
|
913 |
#undef OP_ST
|
914 |
|
915 |
#define OP_LD_ATOMIC(insn,fname) \
|
916 |
static inline void op_ldst_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \ |
917 |
{ \ |
918 |
TCGv t0 = tcg_temp_new(); \ |
919 |
tcg_gen_mov_tl(t0, arg1); \ |
920 |
tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ |
921 |
tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, CP0_LLAddr)); \ |
922 |
tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \ |
923 |
tcg_temp_free(t0); \ |
924 |
} |
925 |
OP_LD_ATOMIC(ll,ld32s); |
926 |
#if defined(TARGET_MIPS64)
|
927 |
OP_LD_ATOMIC(lld,ld64); |
928 |
#endif
|
929 |
#undef OP_LD_ATOMIC
|
930 |
|
931 |
#ifdef CONFIG_USER_ONLY
|
932 |
#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
|
933 |
static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
934 |
{ \ |
935 |
TCGv t0 = tcg_temp_new(); \ |
936 |
int l1 = gen_new_label(); \
|
937 |
int l2 = gen_new_label(); \
|
938 |
\ |
939 |
tcg_gen_andi_tl(t0, arg2, almask); \ |
940 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
|
941 |
tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \ |
942 |
generate_exception(ctx, EXCP_AdES); \ |
943 |
gen_set_label(l1); \ |
944 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_LLAddr)); \ |
945 |
tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \ |
946 |
tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \ |
947 |
tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \ |
948 |
tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \ |
949 |
gen_helper_0i(raise_exception, EXCP_SC); \ |
950 |
gen_set_label(l2); \ |
951 |
tcg_gen_movi_tl(t0, 0); \
|
952 |
gen_store_gpr(t0, rt); \ |
953 |
tcg_temp_free(t0); \ |
954 |
} |
955 |
#else
|
956 |
#define OP_ST_ATOMIC(insn,fname,ldname,almask) \
|
957 |
static inline void op_ldst_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \ |
958 |
{ \ |
959 |
TCGv t0 = tcg_temp_new(); \ |
960 |
TCGv t1 = tcg_temp_new(); \ |
961 |
int l1 = gen_new_label(); \
|
962 |
int l2 = gen_new_label(); \
|
963 |
int l3 = gen_new_label(); \
|
964 |
\ |
965 |
tcg_gen_andi_tl(t0, arg2, almask); \ |
966 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
|
967 |
tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \ |
968 |
generate_exception(ctx, EXCP_AdES); \ |
969 |
gen_set_label(l1); \ |
970 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, CP0_LLAddr)); \ |
971 |
tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \ |
972 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, llval)); \ |
973 |
tcg_gen_qemu_##ldname(t1, arg2, ctx->mem_idx); \ |
974 |
tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l2); \ |
975 |
tcg_temp_free(t1); \ |
976 |
tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \ |
977 |
tcg_gen_movi_tl(t0, 1); \
|
978 |
gen_store_gpr(t0, rt); \ |
979 |
tcg_gen_br(l3); \ |
980 |
gen_set_label(l2); \ |
981 |
tcg_gen_movi_tl(t0, 0); \
|
982 |
gen_store_gpr(t0, rt); \ |
983 |
gen_set_label(l3); \ |
984 |
tcg_temp_free(t0); \ |
985 |
} |
986 |
#endif
|
987 |
|
988 |
OP_ST_ATOMIC(sc,st32,ld32s,0x3);
|
989 |
#if defined(TARGET_MIPS64)
|
990 |
OP_ST_ATOMIC(scd,st64,ld64,0x7);
|
991 |
#endif
|
992 |
#undef OP_ST_ATOMIC
|
993 |
|
994 |
/* Load and store */
|
995 |
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
996 |
int base, int16_t offset)
|
997 |
{ |
998 |
const char *opn = "ldst"; |
999 |
TCGv t0 = tcg_temp_new(); |
1000 |
TCGv t1 = tcg_temp_new(); |
1001 |
|
1002 |
if (base == 0) { |
1003 |
tcg_gen_movi_tl(t0, offset); |
1004 |
} else if (offset == 0) { |
1005 |
gen_load_gpr(t0, base); |
1006 |
} else {
|
1007 |
tcg_gen_movi_tl(t0, offset); |
1008 |
gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
1009 |
} |
1010 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1011 |
memory access. */
|
1012 |
switch (opc) {
|
1013 |
#if defined(TARGET_MIPS64)
|
1014 |
case OPC_LWU:
|
1015 |
save_cpu_state(ctx, 0);
|
1016 |
op_ldst_lwu(t0, t0, ctx); |
1017 |
gen_store_gpr(t0, rt); |
1018 |
opn = "lwu";
|
1019 |
break;
|
1020 |
case OPC_LD:
|
1021 |
save_cpu_state(ctx, 0);
|
1022 |
op_ldst_ld(t0, t0, ctx); |
1023 |
gen_store_gpr(t0, rt); |
1024 |
opn = "ld";
|
1025 |
break;
|
1026 |
case OPC_LLD:
|
1027 |
save_cpu_state(ctx, 0);
|
1028 |
op_ldst_lld(t0, t0, ctx); |
1029 |
gen_store_gpr(t0, rt); |
1030 |
opn = "lld";
|
1031 |
break;
|
1032 |
case OPC_SD:
|
1033 |
save_cpu_state(ctx, 0);
|
1034 |
gen_load_gpr(t1, rt); |
1035 |
op_ldst_sd(t1, t0, ctx); |
1036 |
opn = "sd";
|
1037 |
break;
|
1038 |
case OPC_LDL:
|
1039 |
save_cpu_state(ctx, 1);
|
1040 |
gen_load_gpr(t1, rt); |
1041 |
gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx); |
1042 |
gen_store_gpr(t1, rt); |
1043 |
opn = "ldl";
|
1044 |
break;
|
1045 |
case OPC_SDL:
|
1046 |
save_cpu_state(ctx, 1);
|
1047 |
gen_load_gpr(t1, rt); |
1048 |
gen_helper_2i(sdl, t1, t0, ctx->mem_idx); |
1049 |
opn = "sdl";
|
1050 |
break;
|
1051 |
case OPC_LDR:
|
1052 |
save_cpu_state(ctx, 1);
|
1053 |
gen_load_gpr(t1, rt); |
1054 |
gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx); |
1055 |
gen_store_gpr(t1, rt); |
1056 |
opn = "ldr";
|
1057 |
break;
|
1058 |
case OPC_SDR:
|
1059 |
save_cpu_state(ctx, 1);
|
1060 |
gen_load_gpr(t1, rt); |
1061 |
gen_helper_2i(sdr, t1, t0, ctx->mem_idx); |
1062 |
opn = "sdr";
|
1063 |
break;
|
1064 |
#endif
|
1065 |
case OPC_LW:
|
1066 |
save_cpu_state(ctx, 0);
|
1067 |
op_ldst_lw(t0, t0, ctx); |
1068 |
gen_store_gpr(t0, rt); |
1069 |
opn = "lw";
|
1070 |
break;
|
1071 |
case OPC_SW:
|
1072 |
save_cpu_state(ctx, 0);
|
1073 |
gen_load_gpr(t1, rt); |
1074 |
op_ldst_sw(t1, t0, ctx); |
1075 |
opn = "sw";
|
1076 |
break;
|
1077 |
case OPC_LH:
|
1078 |
save_cpu_state(ctx, 0);
|
1079 |
op_ldst_lh(t0, t0, ctx); |
1080 |
gen_store_gpr(t0, rt); |
1081 |
opn = "lh";
|
1082 |
break;
|
1083 |
case OPC_SH:
|
1084 |
save_cpu_state(ctx, 0);
|
1085 |
gen_load_gpr(t1, rt); |
1086 |
op_ldst_sh(t1, t0, ctx); |
1087 |
opn = "sh";
|
1088 |
break;
|
1089 |
case OPC_LHU:
|
1090 |
save_cpu_state(ctx, 0);
|
1091 |
op_ldst_lhu(t0, t0, ctx); |
1092 |
gen_store_gpr(t0, rt); |
1093 |
opn = "lhu";
|
1094 |
break;
|
1095 |
case OPC_LB:
|
1096 |
save_cpu_state(ctx, 0);
|
1097 |
op_ldst_lb(t0, t0, ctx); |
1098 |
gen_store_gpr(t0, rt); |
1099 |
opn = "lb";
|
1100 |
break;
|
1101 |
case OPC_SB:
|
1102 |
save_cpu_state(ctx, 0);
|
1103 |
gen_load_gpr(t1, rt); |
1104 |
op_ldst_sb(t1, t0, ctx); |
1105 |
opn = "sb";
|
1106 |
break;
|
1107 |
case OPC_LBU:
|
1108 |
save_cpu_state(ctx, 0);
|
1109 |
op_ldst_lbu(t0, t0, ctx); |
1110 |
gen_store_gpr(t0, rt); |
1111 |
opn = "lbu";
|
1112 |
break;
|
1113 |
case OPC_LWL:
|
1114 |
save_cpu_state(ctx, 1);
|
1115 |
gen_load_gpr(t1, rt); |
1116 |
gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx); |
1117 |
gen_store_gpr(t1, rt); |
1118 |
opn = "lwl";
|
1119 |
break;
|
1120 |
case OPC_SWL:
|
1121 |
save_cpu_state(ctx, 1);
|
1122 |
gen_load_gpr(t1, rt); |
1123 |
gen_helper_2i(swl, t1, t0, ctx->mem_idx); |
1124 |
opn = "swr";
|
1125 |
break;
|
1126 |
case OPC_LWR:
|
1127 |
save_cpu_state(ctx, 1);
|
1128 |
gen_load_gpr(t1, rt); |
1129 |
gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx); |
1130 |
gen_store_gpr(t1, rt); |
1131 |
opn = "lwr";
|
1132 |
break;
|
1133 |
case OPC_SWR:
|
1134 |
save_cpu_state(ctx, 1);
|
1135 |
gen_load_gpr(t1, rt); |
1136 |
gen_helper_2i(swr, t1, t0, ctx->mem_idx); |
1137 |
opn = "swr";
|
1138 |
break;
|
1139 |
case OPC_LL:
|
1140 |
save_cpu_state(ctx, 0);
|
1141 |
op_ldst_ll(t0, t0, ctx); |
1142 |
gen_store_gpr(t0, rt); |
1143 |
opn = "ll";
|
1144 |
break;
|
1145 |
} |
1146 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1147 |
tcg_temp_free(t0); |
1148 |
tcg_temp_free(t1); |
1149 |
} |
1150 |
|
1151 |
/* Store conditional */
|
1152 |
static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt, |
1153 |
int base, int16_t offset)
|
1154 |
{ |
1155 |
const char *opn = "st_cond"; |
1156 |
TCGv t0, t1; |
1157 |
|
1158 |
t0 = tcg_temp_local_new(); |
1159 |
|
1160 |
if (base == 0) { |
1161 |
tcg_gen_movi_tl(t0, offset); |
1162 |
} else if (offset == 0) { |
1163 |
gen_load_gpr(t0, base); |
1164 |
} else {
|
1165 |
tcg_gen_movi_tl(t0, offset); |
1166 |
gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
1167 |
} |
1168 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1169 |
memory access. */
|
1170 |
|
1171 |
t1 = tcg_temp_local_new(); |
1172 |
gen_load_gpr(t1, rt); |
1173 |
switch (opc) {
|
1174 |
#if defined(TARGET_MIPS64)
|
1175 |
case OPC_SCD:
|
1176 |
save_cpu_state(ctx, 0);
|
1177 |
op_ldst_scd(t1, t0, rt, ctx); |
1178 |
opn = "scd";
|
1179 |
break;
|
1180 |
#endif
|
1181 |
case OPC_SC:
|
1182 |
save_cpu_state(ctx, 0);
|
1183 |
op_ldst_sc(t1, t0, rt, ctx); |
1184 |
opn = "sc";
|
1185 |
break;
|
1186 |
} |
1187 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1188 |
tcg_temp_free(t1); |
1189 |
tcg_temp_free(t0); |
1190 |
} |
1191 |
|
1192 |
/* Load and store */
|
1193 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
1194 |
int base, int16_t offset)
|
1195 |
{ |
1196 |
const char *opn = "flt_ldst"; |
1197 |
TCGv t0 = tcg_temp_new(); |
1198 |
|
1199 |
if (base == 0) { |
1200 |
tcg_gen_movi_tl(t0, offset); |
1201 |
} else if (offset == 0) { |
1202 |
gen_load_gpr(t0, base); |
1203 |
} else {
|
1204 |
tcg_gen_movi_tl(t0, offset); |
1205 |
gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
1206 |
} |
1207 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1208 |
memory access. */
|
1209 |
switch (opc) {
|
1210 |
case OPC_LWC1:
|
1211 |
{ |
1212 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
1213 |
|
1214 |
tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
1215 |
tcg_gen_trunc_tl_i32(fp0, t0); |
1216 |
gen_store_fpr32(fp0, ft); |
1217 |
tcg_temp_free_i32(fp0); |
1218 |
} |
1219 |
opn = "lwc1";
|
1220 |
break;
|
1221 |
case OPC_SWC1:
|
1222 |
{ |
1223 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
1224 |
TCGv t1 = tcg_temp_new(); |
1225 |
|
1226 |
gen_load_fpr32(fp0, ft); |
1227 |
tcg_gen_extu_i32_tl(t1, fp0); |
1228 |
tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
1229 |
tcg_temp_free(t1); |
1230 |
tcg_temp_free_i32(fp0); |
1231 |
} |
1232 |
opn = "swc1";
|
1233 |
break;
|
1234 |
case OPC_LDC1:
|
1235 |
{ |
1236 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
1237 |
|
1238 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
1239 |
gen_store_fpr64(ctx, fp0, ft); |
1240 |
tcg_temp_free_i64(fp0); |
1241 |
} |
1242 |
opn = "ldc1";
|
1243 |
break;
|
1244 |
case OPC_SDC1:
|
1245 |
{ |
1246 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
1247 |
|
1248 |
gen_load_fpr64(ctx, fp0, ft); |
1249 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
1250 |
tcg_temp_free_i64(fp0); |
1251 |
} |
1252 |
opn = "sdc1";
|
1253 |
break;
|
1254 |
default:
|
1255 |
MIPS_INVAL(opn); |
1256 |
generate_exception(ctx, EXCP_RI); |
1257 |
goto out;
|
1258 |
} |
1259 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
1260 |
out:
|
1261 |
tcg_temp_free(t0); |
1262 |
} |
1263 |
|
1264 |
/* Arithmetic with immediate operand */
|
1265 |
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
1266 |
int rt, int rs, int16_t imm) |
1267 |
{ |
1268 |
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1269 |
const char *opn = "imm arith"; |
1270 |
|
1271 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
1272 |
/* If no destination, treat it as a NOP.
|
1273 |
For addi, we must generate the overflow exception when needed. */
|
1274 |
MIPS_DEBUG("NOP");
|
1275 |
return;
|
1276 |
} |
1277 |
switch (opc) {
|
1278 |
case OPC_ADDI:
|
1279 |
{ |
1280 |
TCGv t0 = tcg_temp_local_new(); |
1281 |
TCGv t1 = tcg_temp_new(); |
1282 |
TCGv t2 = tcg_temp_new(); |
1283 |
int l1 = gen_new_label();
|
1284 |
|
1285 |
gen_load_gpr(t1, rs); |
1286 |
tcg_gen_addi_tl(t0, t1, uimm); |
1287 |
tcg_gen_ext32s_tl(t0, t0); |
1288 |
|
1289 |
tcg_gen_xori_tl(t1, t1, ~uimm); |
1290 |
tcg_gen_xori_tl(t2, t0, uimm); |
1291 |
tcg_gen_and_tl(t1, t1, t2); |
1292 |
tcg_temp_free(t2); |
1293 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1294 |
tcg_temp_free(t1); |
1295 |
/* operands of same sign, result different sign */
|
1296 |
generate_exception(ctx, EXCP_OVERFLOW); |
1297 |
gen_set_label(l1); |
1298 |
tcg_gen_ext32s_tl(t0, t0); |
1299 |
gen_store_gpr(t0, rt); |
1300 |
tcg_temp_free(t0); |
1301 |
} |
1302 |
opn = "addi";
|
1303 |
break;
|
1304 |
case OPC_ADDIU:
|
1305 |
if (rs != 0) { |
1306 |
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1307 |
tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); |
1308 |
} else {
|
1309 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1310 |
} |
1311 |
opn = "addiu";
|
1312 |
break;
|
1313 |
#if defined(TARGET_MIPS64)
|
1314 |
case OPC_DADDI:
|
1315 |
{ |
1316 |
TCGv t0 = tcg_temp_local_new(); |
1317 |
TCGv t1 = tcg_temp_new(); |
1318 |
TCGv t2 = tcg_temp_new(); |
1319 |
int l1 = gen_new_label();
|
1320 |
|
1321 |
gen_load_gpr(t1, rs); |
1322 |
tcg_gen_addi_tl(t0, t1, uimm); |
1323 |
|
1324 |
tcg_gen_xori_tl(t1, t1, ~uimm); |
1325 |
tcg_gen_xori_tl(t2, t0, uimm); |
1326 |
tcg_gen_and_tl(t1, t1, t2); |
1327 |
tcg_temp_free(t2); |
1328 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1329 |
tcg_temp_free(t1); |
1330 |
/* operands of same sign, result different sign */
|
1331 |
generate_exception(ctx, EXCP_OVERFLOW); |
1332 |
gen_set_label(l1); |
1333 |
gen_store_gpr(t0, rt); |
1334 |
tcg_temp_free(t0); |
1335 |
} |
1336 |
opn = "daddi";
|
1337 |
break;
|
1338 |
case OPC_DADDIU:
|
1339 |
if (rs != 0) { |
1340 |
tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1341 |
} else {
|
1342 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1343 |
} |
1344 |
opn = "daddiu";
|
1345 |
break;
|
1346 |
#endif
|
1347 |
} |
1348 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1349 |
} |
1350 |
|
1351 |
/* Logic with immediate operand */
|
1352 |
static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
1353 |
{ |
1354 |
target_ulong uimm; |
1355 |
const char *opn = "imm logic"; |
1356 |
|
1357 |
if (rt == 0) { |
1358 |
/* If no destination, treat it as a NOP. */
|
1359 |
MIPS_DEBUG("NOP");
|
1360 |
return;
|
1361 |
} |
1362 |
uimm = (uint16_t)imm; |
1363 |
switch (opc) {
|
1364 |
case OPC_ANDI:
|
1365 |
if (likely(rs != 0)) |
1366 |
tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1367 |
else
|
1368 |
tcg_gen_movi_tl(cpu_gpr[rt], 0);
|
1369 |
opn = "andi";
|
1370 |
break;
|
1371 |
case OPC_ORI:
|
1372 |
if (rs != 0) |
1373 |
tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1374 |
else
|
1375 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1376 |
opn = "ori";
|
1377 |
break;
|
1378 |
case OPC_XORI:
|
1379 |
if (likely(rs != 0)) |
1380 |
tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); |
1381 |
else
|
1382 |
tcg_gen_movi_tl(cpu_gpr[rt], uimm); |
1383 |
opn = "xori";
|
1384 |
break;
|
1385 |
case OPC_LUI:
|
1386 |
tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
|
1387 |
opn = "lui";
|
1388 |
break;
|
1389 |
} |
1390 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1391 |
} |
1392 |
|
1393 |
/* Set on less than with immediate operand */
|
1394 |
static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm) |
1395 |
{ |
1396 |
target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1397 |
const char *opn = "imm arith"; |
1398 |
TCGv t0; |
1399 |
|
1400 |
if (rt == 0) { |
1401 |
/* If no destination, treat it as a NOP. */
|
1402 |
MIPS_DEBUG("NOP");
|
1403 |
return;
|
1404 |
} |
1405 |
t0 = tcg_temp_new(); |
1406 |
gen_load_gpr(t0, rs); |
1407 |
switch (opc) {
|
1408 |
case OPC_SLTI:
|
1409 |
gen_op_lti(cpu_gpr[rt], t0, uimm); |
1410 |
opn = "slti";
|
1411 |
break;
|
1412 |
case OPC_SLTIU:
|
1413 |
gen_op_ltiu(cpu_gpr[rt], t0, uimm); |
1414 |
opn = "sltiu";
|
1415 |
break;
|
1416 |
} |
1417 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1418 |
tcg_temp_free(t0); |
1419 |
} |
1420 |
|
1421 |
/* Shifts with immediate operand */
|
1422 |
static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc, |
1423 |
int rt, int rs, int16_t imm) |
1424 |
{ |
1425 |
target_ulong uimm = ((uint16_t)imm) & 0x1f;
|
1426 |
const char *opn = "imm shift"; |
1427 |
TCGv t0; |
1428 |
|
1429 |
if (rt == 0) { |
1430 |
/* If no destination, treat it as a NOP. */
|
1431 |
MIPS_DEBUG("NOP");
|
1432 |
return;
|
1433 |
} |
1434 |
|
1435 |
t0 = tcg_temp_new(); |
1436 |
gen_load_gpr(t0, rs); |
1437 |
switch (opc) {
|
1438 |
case OPC_SLL:
|
1439 |
tcg_gen_shli_tl(t0, t0, uimm); |
1440 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
1441 |
opn = "sll";
|
1442 |
break;
|
1443 |
case OPC_SRA:
|
1444 |
tcg_gen_ext32s_tl(t0, t0); |
1445 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
1446 |
opn = "sra";
|
1447 |
break;
|
1448 |
case OPC_SRL:
|
1449 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1450 |
case 0: |
1451 |
if (uimm != 0) { |
1452 |
tcg_gen_ext32u_tl(t0, t0); |
1453 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
1454 |
} else {
|
1455 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
1456 |
} |
1457 |
opn = "srl";
|
1458 |
break;
|
1459 |
case 1: |
1460 |
/* rotr is decoded as srl on non-R2 CPUs */
|
1461 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1462 |
if (uimm != 0) { |
1463 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
1464 |
|
1465 |
tcg_gen_trunc_tl_i32(t1, t0); |
1466 |
tcg_gen_rotri_i32(t1, t1, uimm); |
1467 |
tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); |
1468 |
tcg_temp_free_i32(t1); |
1469 |
} |
1470 |
opn = "rotr";
|
1471 |
} else {
|
1472 |
if (uimm != 0) { |
1473 |
tcg_gen_ext32u_tl(t0, t0); |
1474 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
1475 |
} else {
|
1476 |
tcg_gen_ext32s_tl(cpu_gpr[rt], t0); |
1477 |
} |
1478 |
opn = "srl";
|
1479 |
} |
1480 |
break;
|
1481 |
default:
|
1482 |
MIPS_INVAL("invalid srl flag");
|
1483 |
generate_exception(ctx, EXCP_RI); |
1484 |
break;
|
1485 |
} |
1486 |
break;
|
1487 |
#if defined(TARGET_MIPS64)
|
1488 |
case OPC_DSLL:
|
1489 |
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); |
1490 |
opn = "dsll";
|
1491 |
break;
|
1492 |
case OPC_DSRA:
|
1493 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); |
1494 |
opn = "dsra";
|
1495 |
break;
|
1496 |
case OPC_DSRL:
|
1497 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1498 |
case 0: |
1499 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
1500 |
opn = "dsrl";
|
1501 |
break;
|
1502 |
case 1: |
1503 |
/* drotr is decoded as dsrl on non-R2 CPUs */
|
1504 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1505 |
if (uimm != 0) { |
1506 |
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); |
1507 |
} |
1508 |
opn = "drotr";
|
1509 |
} else {
|
1510 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); |
1511 |
opn = "dsrl";
|
1512 |
} |
1513 |
break;
|
1514 |
default:
|
1515 |
MIPS_INVAL("invalid dsrl flag");
|
1516 |
generate_exception(ctx, EXCP_RI); |
1517 |
break;
|
1518 |
} |
1519 |
break;
|
1520 |
case OPC_DSLL32:
|
1521 |
tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
|
1522 |
opn = "dsll32";
|
1523 |
break;
|
1524 |
case OPC_DSRA32:
|
1525 |
tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
|
1526 |
opn = "dsra32";
|
1527 |
break;
|
1528 |
case OPC_DSRL32:
|
1529 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1530 |
case 0: |
1531 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
|
1532 |
opn = "dsrl32";
|
1533 |
break;
|
1534 |
case 1: |
1535 |
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
|
1536 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1537 |
tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
|
1538 |
opn = "drotr32";
|
1539 |
} else {
|
1540 |
tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
|
1541 |
opn = "dsrl32";
|
1542 |
} |
1543 |
break;
|
1544 |
default:
|
1545 |
MIPS_INVAL("invalid dsrl32 flag");
|
1546 |
generate_exception(ctx, EXCP_RI); |
1547 |
break;
|
1548 |
} |
1549 |
break;
|
1550 |
#endif
|
1551 |
} |
1552 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1553 |
tcg_temp_free(t0); |
1554 |
} |
1555 |
|
1556 |
/* Arithmetic */
|
1557 |
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
1558 |
int rd, int rs, int rt) |
1559 |
{ |
1560 |
const char *opn = "arith"; |
1561 |
|
1562 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
1563 |
&& opc != OPC_DADD && opc != OPC_DSUB) { |
1564 |
/* If no destination, treat it as a NOP.
|
1565 |
For add & sub, we must generate the overflow exception when needed. */
|
1566 |
MIPS_DEBUG("NOP");
|
1567 |
return;
|
1568 |
} |
1569 |
|
1570 |
switch (opc) {
|
1571 |
case OPC_ADD:
|
1572 |
{ |
1573 |
TCGv t0 = tcg_temp_local_new(); |
1574 |
TCGv t1 = tcg_temp_new(); |
1575 |
TCGv t2 = tcg_temp_new(); |
1576 |
int l1 = gen_new_label();
|
1577 |
|
1578 |
gen_load_gpr(t1, rs); |
1579 |
gen_load_gpr(t2, rt); |
1580 |
tcg_gen_add_tl(t0, t1, t2); |
1581 |
tcg_gen_ext32s_tl(t0, t0); |
1582 |
tcg_gen_xor_tl(t1, t1, t2); |
1583 |
tcg_gen_not_tl(t1, t1); |
1584 |
tcg_gen_xor_tl(t2, t0, t2); |
1585 |
tcg_gen_and_tl(t1, t1, t2); |
1586 |
tcg_temp_free(t2); |
1587 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1588 |
tcg_temp_free(t1); |
1589 |
/* operands of same sign, result different sign */
|
1590 |
generate_exception(ctx, EXCP_OVERFLOW); |
1591 |
gen_set_label(l1); |
1592 |
gen_store_gpr(t0, rd); |
1593 |
tcg_temp_free(t0); |
1594 |
} |
1595 |
opn = "add";
|
1596 |
break;
|
1597 |
case OPC_ADDU:
|
1598 |
if (rs != 0 && rt != 0) { |
1599 |
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1600 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1601 |
} else if (rs == 0 && rt != 0) { |
1602 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1603 |
} else if (rs != 0 && rt == 0) { |
1604 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1605 |
} else {
|
1606 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1607 |
} |
1608 |
opn = "addu";
|
1609 |
break;
|
1610 |
case OPC_SUB:
|
1611 |
{ |
1612 |
TCGv t0 = tcg_temp_local_new(); |
1613 |
TCGv t1 = tcg_temp_new(); |
1614 |
TCGv t2 = tcg_temp_new(); |
1615 |
int l1 = gen_new_label();
|
1616 |
|
1617 |
gen_load_gpr(t1, rs); |
1618 |
gen_load_gpr(t2, rt); |
1619 |
tcg_gen_sub_tl(t0, t1, t2); |
1620 |
tcg_gen_ext32s_tl(t0, t0); |
1621 |
tcg_gen_xor_tl(t2, t1, t2); |
1622 |
tcg_gen_xor_tl(t1, t0, t1); |
1623 |
tcg_gen_and_tl(t1, t1, t2); |
1624 |
tcg_temp_free(t2); |
1625 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1626 |
tcg_temp_free(t1); |
1627 |
/* operands of different sign, first operand and result different sign */
|
1628 |
generate_exception(ctx, EXCP_OVERFLOW); |
1629 |
gen_set_label(l1); |
1630 |
gen_store_gpr(t0, rd); |
1631 |
tcg_temp_free(t0); |
1632 |
} |
1633 |
opn = "sub";
|
1634 |
break;
|
1635 |
case OPC_SUBU:
|
1636 |
if (rs != 0 && rt != 0) { |
1637 |
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1638 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1639 |
} else if (rs == 0 && rt != 0) { |
1640 |
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1641 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1642 |
} else if (rs != 0 && rt == 0) { |
1643 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1644 |
} else {
|
1645 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1646 |
} |
1647 |
opn = "subu";
|
1648 |
break;
|
1649 |
#if defined(TARGET_MIPS64)
|
1650 |
case OPC_DADD:
|
1651 |
{ |
1652 |
TCGv t0 = tcg_temp_local_new(); |
1653 |
TCGv t1 = tcg_temp_new(); |
1654 |
TCGv t2 = tcg_temp_new(); |
1655 |
int l1 = gen_new_label();
|
1656 |
|
1657 |
gen_load_gpr(t1, rs); |
1658 |
gen_load_gpr(t2, rt); |
1659 |
tcg_gen_add_tl(t0, t1, t2); |
1660 |
tcg_gen_xor_tl(t1, t1, t2); |
1661 |
tcg_gen_not_tl(t1, t1); |
1662 |
tcg_gen_xor_tl(t2, t0, t2); |
1663 |
tcg_gen_and_tl(t1, t1, t2); |
1664 |
tcg_temp_free(t2); |
1665 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1666 |
tcg_temp_free(t1); |
1667 |
/* operands of same sign, result different sign */
|
1668 |
generate_exception(ctx, EXCP_OVERFLOW); |
1669 |
gen_set_label(l1); |
1670 |
gen_store_gpr(t0, rd); |
1671 |
tcg_temp_free(t0); |
1672 |
} |
1673 |
opn = "dadd";
|
1674 |
break;
|
1675 |
case OPC_DADDU:
|
1676 |
if (rs != 0 && rt != 0) { |
1677 |
tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1678 |
} else if (rs == 0 && rt != 0) { |
1679 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1680 |
} else if (rs != 0 && rt == 0) { |
1681 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1682 |
} else {
|
1683 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1684 |
} |
1685 |
opn = "daddu";
|
1686 |
break;
|
1687 |
case OPC_DSUB:
|
1688 |
{ |
1689 |
TCGv t0 = tcg_temp_local_new(); |
1690 |
TCGv t1 = tcg_temp_new(); |
1691 |
TCGv t2 = tcg_temp_new(); |
1692 |
int l1 = gen_new_label();
|
1693 |
|
1694 |
gen_load_gpr(t1, rs); |
1695 |
gen_load_gpr(t2, rt); |
1696 |
tcg_gen_sub_tl(t0, t1, t2); |
1697 |
tcg_gen_xor_tl(t2, t1, t2); |
1698 |
tcg_gen_xor_tl(t1, t0, t1); |
1699 |
tcg_gen_and_tl(t1, t1, t2); |
1700 |
tcg_temp_free(t2); |
1701 |
tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
|
1702 |
tcg_temp_free(t1); |
1703 |
/* operands of different sign, first operand and result different sign */
|
1704 |
generate_exception(ctx, EXCP_OVERFLOW); |
1705 |
gen_set_label(l1); |
1706 |
gen_store_gpr(t0, rd); |
1707 |
tcg_temp_free(t0); |
1708 |
} |
1709 |
opn = "dsub";
|
1710 |
break;
|
1711 |
case OPC_DSUBU:
|
1712 |
if (rs != 0 && rt != 0) { |
1713 |
tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1714 |
} else if (rs == 0 && rt != 0) { |
1715 |
tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1716 |
} else if (rs != 0 && rt == 0) { |
1717 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1718 |
} else {
|
1719 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1720 |
} |
1721 |
opn = "dsubu";
|
1722 |
break;
|
1723 |
#endif
|
1724 |
case OPC_MUL:
|
1725 |
if (likely(rs != 0 && rt != 0)) { |
1726 |
tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1727 |
tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); |
1728 |
} else {
|
1729 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1730 |
} |
1731 |
opn = "mul";
|
1732 |
break;
|
1733 |
} |
1734 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1735 |
} |
1736 |
|
1737 |
/* Conditional move */
|
1738 |
static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
1739 |
{ |
1740 |
const char *opn = "cond move"; |
1741 |
int l1;
|
1742 |
|
1743 |
if (rd == 0) { |
1744 |
/* If no destination, treat it as a NOP.
|
1745 |
For add & sub, we must generate the overflow exception when needed. */
|
1746 |
MIPS_DEBUG("NOP");
|
1747 |
return;
|
1748 |
} |
1749 |
|
1750 |
l1 = gen_new_label(); |
1751 |
switch (opc) {
|
1752 |
case OPC_MOVN:
|
1753 |
if (likely(rt != 0)) |
1754 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1);
|
1755 |
else
|
1756 |
tcg_gen_br(l1); |
1757 |
opn = "movn";
|
1758 |
break;
|
1759 |
case OPC_MOVZ:
|
1760 |
if (likely(rt != 0)) |
1761 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1);
|
1762 |
opn = "movz";
|
1763 |
break;
|
1764 |
} |
1765 |
if (rs != 0) |
1766 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1767 |
else
|
1768 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1769 |
gen_set_label(l1); |
1770 |
|
1771 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1772 |
} |
1773 |
|
1774 |
/* Logic */
|
1775 |
static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
1776 |
{ |
1777 |
const char *opn = "logic"; |
1778 |
|
1779 |
if (rd == 0) { |
1780 |
/* If no destination, treat it as a NOP. */
|
1781 |
MIPS_DEBUG("NOP");
|
1782 |
return;
|
1783 |
} |
1784 |
|
1785 |
switch (opc) {
|
1786 |
case OPC_AND:
|
1787 |
if (likely(rs != 0 && rt != 0)) { |
1788 |
tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1789 |
} else {
|
1790 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1791 |
} |
1792 |
opn = "and";
|
1793 |
break;
|
1794 |
case OPC_NOR:
|
1795 |
if (rs != 0 && rt != 0) { |
1796 |
tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1797 |
} else if (rs == 0 && rt != 0) { |
1798 |
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1799 |
} else if (rs != 0 && rt == 0) { |
1800 |
tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1801 |
} else {
|
1802 |
tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
|
1803 |
} |
1804 |
opn = "nor";
|
1805 |
break;
|
1806 |
case OPC_OR:
|
1807 |
if (likely(rs != 0 && rt != 0)) { |
1808 |
tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1809 |
} else if (rs == 0 && rt != 0) { |
1810 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1811 |
} else if (rs != 0 && rt == 0) { |
1812 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1813 |
} else {
|
1814 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1815 |
} |
1816 |
opn = "or";
|
1817 |
break;
|
1818 |
case OPC_XOR:
|
1819 |
if (likely(rs != 0 && rt != 0)) { |
1820 |
tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); |
1821 |
} else if (rs == 0 && rt != 0) { |
1822 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); |
1823 |
} else if (rs != 0 && rt == 0) { |
1824 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
1825 |
} else {
|
1826 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
1827 |
} |
1828 |
opn = "xor";
|
1829 |
break;
|
1830 |
} |
1831 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1832 |
} |
1833 |
|
1834 |
/* Set on lower than */
|
1835 |
static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt) |
1836 |
{ |
1837 |
const char *opn = "slt"; |
1838 |
TCGv t0, t1; |
1839 |
|
1840 |
if (rd == 0) { |
1841 |
/* If no destination, treat it as a NOP. */
|
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_SLT:
|
1852 |
gen_op_lt(cpu_gpr[rd], t0, t1); |
1853 |
opn = "slt";
|
1854 |
break;
|
1855 |
case OPC_SLTU:
|
1856 |
gen_op_ltu(cpu_gpr[rd], t0, t1); |
1857 |
opn = "sltu";
|
1858 |
break;
|
1859 |
} |
1860 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1861 |
tcg_temp_free(t0); |
1862 |
tcg_temp_free(t1); |
1863 |
} |
1864 |
|
1865 |
/* Shifts */
|
1866 |
static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc, |
1867 |
int rd, int rs, int rt) |
1868 |
{ |
1869 |
const char *opn = "shifts"; |
1870 |
TCGv t0, t1; |
1871 |
|
1872 |
if (rd == 0) { |
1873 |
/* If no destination, treat it as a NOP.
|
1874 |
For add & sub, we must generate the overflow exception when needed. */
|
1875 |
MIPS_DEBUG("NOP");
|
1876 |
return;
|
1877 |
} |
1878 |
|
1879 |
t0 = tcg_temp_new(); |
1880 |
t1 = tcg_temp_new(); |
1881 |
gen_load_gpr(t0, rs); |
1882 |
gen_load_gpr(t1, rt); |
1883 |
switch (opc) {
|
1884 |
case OPC_SLLV:
|
1885 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
1886 |
tcg_gen_shl_tl(t0, t1, t0); |
1887 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
1888 |
opn = "sllv";
|
1889 |
break;
|
1890 |
case OPC_SRAV:
|
1891 |
tcg_gen_ext32s_tl(t1, t1); |
1892 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
1893 |
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
1894 |
opn = "srav";
|
1895 |
break;
|
1896 |
case OPC_SRLV:
|
1897 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1898 |
case 0: |
1899 |
tcg_gen_ext32u_tl(t1, t1); |
1900 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
1901 |
tcg_gen_shr_tl(t0, t1, t0); |
1902 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
1903 |
opn = "srlv";
|
1904 |
break;
|
1905 |
case 1: |
1906 |
/* rotrv is decoded as srlv on non-R2 CPUs */
|
1907 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1908 |
TCGv_i32 t2 = tcg_temp_new_i32(); |
1909 |
TCGv_i32 t3 = tcg_temp_new_i32(); |
1910 |
|
1911 |
tcg_gen_trunc_tl_i32(t2, t0); |
1912 |
tcg_gen_trunc_tl_i32(t3, t1); |
1913 |
tcg_gen_andi_i32(t2, t2, 0x1f);
|
1914 |
tcg_gen_rotr_i32(t2, t3, t2); |
1915 |
tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); |
1916 |
tcg_temp_free_i32(t2); |
1917 |
tcg_temp_free_i32(t3); |
1918 |
opn = "rotrv";
|
1919 |
} else {
|
1920 |
tcg_gen_ext32u_tl(t1, t1); |
1921 |
tcg_gen_andi_tl(t0, t0, 0x1f);
|
1922 |
tcg_gen_shr_tl(t0, t1, t0); |
1923 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
1924 |
opn = "srlv";
|
1925 |
} |
1926 |
break;
|
1927 |
default:
|
1928 |
MIPS_INVAL("invalid srlv flag");
|
1929 |
generate_exception(ctx, EXCP_RI); |
1930 |
break;
|
1931 |
} |
1932 |
break;
|
1933 |
#if defined(TARGET_MIPS64)
|
1934 |
case OPC_DSLLV:
|
1935 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1936 |
tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); |
1937 |
opn = "dsllv";
|
1938 |
break;
|
1939 |
case OPC_DSRAV:
|
1940 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1941 |
tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); |
1942 |
opn = "dsrav";
|
1943 |
break;
|
1944 |
case OPC_DSRLV:
|
1945 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1946 |
case 0: |
1947 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1948 |
tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); |
1949 |
opn = "dsrlv";
|
1950 |
break;
|
1951 |
case 1: |
1952 |
/* drotrv is decoded as dsrlv on non-R2 CPUs */
|
1953 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1954 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1955 |
tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); |
1956 |
opn = "drotrv";
|
1957 |
} else {
|
1958 |
tcg_gen_andi_tl(t0, t0, 0x3f);
|
1959 |
tcg_gen_shr_tl(t0, t1, t0); |
1960 |
opn = "dsrlv";
|
1961 |
} |
1962 |
break;
|
1963 |
default:
|
1964 |
MIPS_INVAL("invalid dsrlv flag");
|
1965 |
generate_exception(ctx, EXCP_RI); |
1966 |
break;
|
1967 |
} |
1968 |
break;
|
1969 |
#endif
|
1970 |
} |
1971 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1972 |
tcg_temp_free(t0); |
1973 |
tcg_temp_free(t1); |
1974 |
} |
1975 |
|
1976 |
/* Arithmetic on HI/LO registers */
|
1977 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
1978 |
{ |
1979 |
const char *opn = "hilo"; |
1980 |
|
1981 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
1982 |
/* Treat as NOP. */
|
1983 |
MIPS_DEBUG("NOP");
|
1984 |
return;
|
1985 |
} |
1986 |
switch (opc) {
|
1987 |
case OPC_MFHI:
|
1988 |
tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
|
1989 |
opn = "mfhi";
|
1990 |
break;
|
1991 |
case OPC_MFLO:
|
1992 |
tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
|
1993 |
opn = "mflo";
|
1994 |
break;
|
1995 |
case OPC_MTHI:
|
1996 |
if (reg != 0) |
1997 |
tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
|
1998 |
else
|
1999 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
2000 |
opn = "mthi";
|
2001 |
break;
|
2002 |
case OPC_MTLO:
|
2003 |
if (reg != 0) |
2004 |
tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
|
2005 |
else
|
2006 |
tcg_gen_movi_tl(cpu_LO[0], 0); |
2007 |
opn = "mtlo";
|
2008 |
break;
|
2009 |
} |
2010 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
2011 |
} |
2012 |
|
2013 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
2014 |
int rs, int rt) |
2015 |
{ |
2016 |
const char *opn = "mul/div"; |
2017 |
TCGv t0, t1; |
2018 |
|
2019 |
switch (opc) {
|
2020 |
case OPC_DIV:
|
2021 |
case OPC_DIVU:
|
2022 |
#if defined(TARGET_MIPS64)
|
2023 |
case OPC_DDIV:
|
2024 |
case OPC_DDIVU:
|
2025 |
#endif
|
2026 |
t0 = tcg_temp_local_new(); |
2027 |
t1 = tcg_temp_local_new(); |
2028 |
break;
|
2029 |
default:
|
2030 |
t0 = tcg_temp_new(); |
2031 |
t1 = tcg_temp_new(); |
2032 |
break;
|
2033 |
} |
2034 |
|
2035 |
gen_load_gpr(t0, rs); |
2036 |
gen_load_gpr(t1, rt); |
2037 |
switch (opc) {
|
2038 |
case OPC_DIV:
|
2039 |
{ |
2040 |
int l1 = gen_new_label();
|
2041 |
int l2 = gen_new_label();
|
2042 |
|
2043 |
tcg_gen_ext32s_tl(t0, t0); |
2044 |
tcg_gen_ext32s_tl(t1, t1); |
2045 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2046 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); |
2047 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
|
2048 |
|
2049 |
tcg_gen_mov_tl(cpu_LO[0], t0);
|
2050 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
2051 |
tcg_gen_br(l1); |
2052 |
gen_set_label(l2); |
2053 |
tcg_gen_div_tl(cpu_LO[0], t0, t1);
|
2054 |
tcg_gen_rem_tl(cpu_HI[0], t0, t1);
|
2055 |
tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
2056 |
tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
2057 |
gen_set_label(l1); |
2058 |
} |
2059 |
opn = "div";
|
2060 |
break;
|
2061 |
case OPC_DIVU:
|
2062 |
{ |
2063 |
int l1 = gen_new_label();
|
2064 |
|
2065 |
tcg_gen_ext32u_tl(t0, t0); |
2066 |
tcg_gen_ext32u_tl(t1, t1); |
2067 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2068 |
tcg_gen_divu_tl(cpu_LO[0], t0, t1);
|
2069 |
tcg_gen_remu_tl(cpu_HI[0], t0, t1);
|
2070 |
tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]); |
2071 |
tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]); |
2072 |
gen_set_label(l1); |
2073 |
} |
2074 |
opn = "divu";
|
2075 |
break;
|
2076 |
case OPC_MULT:
|
2077 |
{ |
2078 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2079 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2080 |
|
2081 |
tcg_gen_ext_tl_i64(t2, t0); |
2082 |
tcg_gen_ext_tl_i64(t3, t1); |
2083 |
tcg_gen_mul_i64(t2, t2, t3); |
2084 |
tcg_temp_free_i64(t3); |
2085 |
tcg_gen_trunc_i64_tl(t0, t2); |
2086 |
tcg_gen_shri_i64(t2, t2, 32);
|
2087 |
tcg_gen_trunc_i64_tl(t1, t2); |
2088 |
tcg_temp_free_i64(t2); |
2089 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2090 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2091 |
} |
2092 |
opn = "mult";
|
2093 |
break;
|
2094 |
case OPC_MULTU:
|
2095 |
{ |
2096 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2097 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2098 |
|
2099 |
tcg_gen_ext32u_tl(t0, t0); |
2100 |
tcg_gen_ext32u_tl(t1, t1); |
2101 |
tcg_gen_extu_tl_i64(t2, t0); |
2102 |
tcg_gen_extu_tl_i64(t3, t1); |
2103 |
tcg_gen_mul_i64(t2, t2, t3); |
2104 |
tcg_temp_free_i64(t3); |
2105 |
tcg_gen_trunc_i64_tl(t0, t2); |
2106 |
tcg_gen_shri_i64(t2, t2, 32);
|
2107 |
tcg_gen_trunc_i64_tl(t1, t2); |
2108 |
tcg_temp_free_i64(t2); |
2109 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2110 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2111 |
} |
2112 |
opn = "multu";
|
2113 |
break;
|
2114 |
#if defined(TARGET_MIPS64)
|
2115 |
case OPC_DDIV:
|
2116 |
{ |
2117 |
int l1 = gen_new_label();
|
2118 |
int l2 = gen_new_label();
|
2119 |
|
2120 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2121 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); |
2122 |
tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
|
2123 |
tcg_gen_mov_tl(cpu_LO[0], t0);
|
2124 |
tcg_gen_movi_tl(cpu_HI[0], 0); |
2125 |
tcg_gen_br(l1); |
2126 |
gen_set_label(l2); |
2127 |
tcg_gen_div_i64(cpu_LO[0], t0, t1);
|
2128 |
tcg_gen_rem_i64(cpu_HI[0], t0, t1);
|
2129 |
gen_set_label(l1); |
2130 |
} |
2131 |
opn = "ddiv";
|
2132 |
break;
|
2133 |
case OPC_DDIVU:
|
2134 |
{ |
2135 |
int l1 = gen_new_label();
|
2136 |
|
2137 |
tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
|
2138 |
tcg_gen_divu_i64(cpu_LO[0], t0, t1);
|
2139 |
tcg_gen_remu_i64(cpu_HI[0], t0, t1);
|
2140 |
gen_set_label(l1); |
2141 |
} |
2142 |
opn = "ddivu";
|
2143 |
break;
|
2144 |
case OPC_DMULT:
|
2145 |
gen_helper_dmult(t0, t1); |
2146 |
opn = "dmult";
|
2147 |
break;
|
2148 |
case OPC_DMULTU:
|
2149 |
gen_helper_dmultu(t0, t1); |
2150 |
opn = "dmultu";
|
2151 |
break;
|
2152 |
#endif
|
2153 |
case OPC_MADD:
|
2154 |
{ |
2155 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2156 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2157 |
|
2158 |
tcg_gen_ext_tl_i64(t2, t0); |
2159 |
tcg_gen_ext_tl_i64(t3, t1); |
2160 |
tcg_gen_mul_i64(t2, t2, t3); |
2161 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2162 |
tcg_gen_add_i64(t2, t2, t3); |
2163 |
tcg_temp_free_i64(t3); |
2164 |
tcg_gen_trunc_i64_tl(t0, t2); |
2165 |
tcg_gen_shri_i64(t2, t2, 32);
|
2166 |
tcg_gen_trunc_i64_tl(t1, t2); |
2167 |
tcg_temp_free_i64(t2); |
2168 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2169 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2170 |
} |
2171 |
opn = "madd";
|
2172 |
break;
|
2173 |
case OPC_MADDU:
|
2174 |
{ |
2175 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2176 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2177 |
|
2178 |
tcg_gen_ext32u_tl(t0, t0); |
2179 |
tcg_gen_ext32u_tl(t1, t1); |
2180 |
tcg_gen_extu_tl_i64(t2, t0); |
2181 |
tcg_gen_extu_tl_i64(t3, t1); |
2182 |
tcg_gen_mul_i64(t2, t2, t3); |
2183 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2184 |
tcg_gen_add_i64(t2, t2, t3); |
2185 |
tcg_temp_free_i64(t3); |
2186 |
tcg_gen_trunc_i64_tl(t0, t2); |
2187 |
tcg_gen_shri_i64(t2, t2, 32);
|
2188 |
tcg_gen_trunc_i64_tl(t1, t2); |
2189 |
tcg_temp_free_i64(t2); |
2190 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2191 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2192 |
} |
2193 |
opn = "maddu";
|
2194 |
break;
|
2195 |
case OPC_MSUB:
|
2196 |
{ |
2197 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2198 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2199 |
|
2200 |
tcg_gen_ext_tl_i64(t2, t0); |
2201 |
tcg_gen_ext_tl_i64(t3, t1); |
2202 |
tcg_gen_mul_i64(t2, t2, t3); |
2203 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2204 |
tcg_gen_sub_i64(t2, t3, t2); |
2205 |
tcg_temp_free_i64(t3); |
2206 |
tcg_gen_trunc_i64_tl(t0, t2); |
2207 |
tcg_gen_shri_i64(t2, t2, 32);
|
2208 |
tcg_gen_trunc_i64_tl(t1, t2); |
2209 |
tcg_temp_free_i64(t2); |
2210 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2211 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2212 |
} |
2213 |
opn = "msub";
|
2214 |
break;
|
2215 |
case OPC_MSUBU:
|
2216 |
{ |
2217 |
TCGv_i64 t2 = tcg_temp_new_i64(); |
2218 |
TCGv_i64 t3 = tcg_temp_new_i64(); |
2219 |
|
2220 |
tcg_gen_ext32u_tl(t0, t0); |
2221 |
tcg_gen_ext32u_tl(t1, t1); |
2222 |
tcg_gen_extu_tl_i64(t2, t0); |
2223 |
tcg_gen_extu_tl_i64(t3, t1); |
2224 |
tcg_gen_mul_i64(t2, t2, t3); |
2225 |
tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]); |
2226 |
tcg_gen_sub_i64(t2, t3, t2); |
2227 |
tcg_temp_free_i64(t3); |
2228 |
tcg_gen_trunc_i64_tl(t0, t2); |
2229 |
tcg_gen_shri_i64(t2, t2, 32);
|
2230 |
tcg_gen_trunc_i64_tl(t1, t2); |
2231 |
tcg_temp_free_i64(t2); |
2232 |
tcg_gen_ext32s_tl(cpu_LO[0], t0);
|
2233 |
tcg_gen_ext32s_tl(cpu_HI[0], t1);
|
2234 |
} |
2235 |
opn = "msubu";
|
2236 |
break;
|
2237 |
default:
|
2238 |
MIPS_INVAL(opn); |
2239 |
generate_exception(ctx, EXCP_RI); |
2240 |
goto out;
|
2241 |
} |
2242 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
2243 |
out:
|
2244 |
tcg_temp_free(t0); |
2245 |
tcg_temp_free(t1); |
2246 |
} |
2247 |
|
2248 |
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
2249 |
int rd, int rs, int rt) |
2250 |
{ |
2251 |
const char *opn = "mul vr54xx"; |
2252 |
TCGv t0 = tcg_temp_new(); |
2253 |
TCGv t1 = tcg_temp_new(); |
2254 |
|
2255 |
gen_load_gpr(t0, rs); |
2256 |
gen_load_gpr(t1, rt); |
2257 |
|
2258 |
switch (opc) {
|
2259 |
case OPC_VR54XX_MULS:
|
2260 |
gen_helper_muls(t0, t0, t1); |
2261 |
opn = "muls";
|
2262 |
break;
|
2263 |
case OPC_VR54XX_MULSU:
|
2264 |
gen_helper_mulsu(t0, t0, t1); |
2265 |
opn = "mulsu";
|
2266 |
break;
|
2267 |
case OPC_VR54XX_MACC:
|
2268 |
gen_helper_macc(t0, t0, t1); |
2269 |
opn = "macc";
|
2270 |
break;
|
2271 |
case OPC_VR54XX_MACCU:
|
2272 |
gen_helper_maccu(t0, t0, t1); |
2273 |
opn = "maccu";
|
2274 |
break;
|
2275 |
case OPC_VR54XX_MSAC:
|
2276 |
gen_helper_msac(t0, t0, t1); |
2277 |
opn = "msac";
|
2278 |
break;
|
2279 |
case OPC_VR54XX_MSACU:
|
2280 |
gen_helper_msacu(t0, t0, t1); |
2281 |
opn = "msacu";
|
2282 |
break;
|
2283 |
case OPC_VR54XX_MULHI:
|
2284 |
gen_helper_mulhi(t0, t0, t1); |
2285 |
opn = "mulhi";
|
2286 |
break;
|
2287 |
case OPC_VR54XX_MULHIU:
|
2288 |
gen_helper_mulhiu(t0, t0, t1); |
2289 |
opn = "mulhiu";
|
2290 |
break;
|
2291 |
case OPC_VR54XX_MULSHI:
|
2292 |
gen_helper_mulshi(t0, t0, t1); |
2293 |
opn = "mulshi";
|
2294 |
break;
|
2295 |
case OPC_VR54XX_MULSHIU:
|
2296 |
gen_helper_mulshiu(t0, t0, t1); |
2297 |
opn = "mulshiu";
|
2298 |
break;
|
2299 |
case OPC_VR54XX_MACCHI:
|
2300 |
gen_helper_macchi(t0, t0, t1); |
2301 |
opn = "macchi";
|
2302 |
break;
|
2303 |
case OPC_VR54XX_MACCHIU:
|
2304 |
gen_helper_macchiu(t0, t0, t1); |
2305 |
opn = "macchiu";
|
2306 |
break;
|
2307 |
case OPC_VR54XX_MSACHI:
|
2308 |
gen_helper_msachi(t0, t0, t1); |
2309 |
opn = "msachi";
|
2310 |
break;
|
2311 |
case OPC_VR54XX_MSACHIU:
|
2312 |
gen_helper_msachiu(t0, t0, t1); |
2313 |
opn = "msachiu";
|
2314 |
break;
|
2315 |
default:
|
2316 |
MIPS_INVAL("mul vr54xx");
|
2317 |
generate_exception(ctx, EXCP_RI); |
2318 |
goto out;
|
2319 |
} |
2320 |
gen_store_gpr(t0, rd); |
2321 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
2322 |
|
2323 |
out:
|
2324 |
tcg_temp_free(t0); |
2325 |
tcg_temp_free(t1); |
2326 |
} |
2327 |
|
2328 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
2329 |
int rd, int rs) |
2330 |
{ |
2331 |
const char *opn = "CLx"; |
2332 |
TCGv t0; |
2333 |
|
2334 |
if (rd == 0) { |
2335 |
/* Treat as NOP. */
|
2336 |
MIPS_DEBUG("NOP");
|
2337 |
return;
|
2338 |
} |
2339 |
t0 = tcg_temp_new(); |
2340 |
gen_load_gpr(t0, rs); |
2341 |
switch (opc) {
|
2342 |
case OPC_CLO:
|
2343 |
gen_helper_clo(cpu_gpr[rd], t0); |
2344 |
opn = "clo";
|
2345 |
break;
|
2346 |
case OPC_CLZ:
|
2347 |
gen_helper_clz(cpu_gpr[rd], t0); |
2348 |
opn = "clz";
|
2349 |
break;
|
2350 |
#if defined(TARGET_MIPS64)
|
2351 |
case OPC_DCLO:
|
2352 |
gen_helper_dclo(cpu_gpr[rd], t0); |
2353 |
opn = "dclo";
|
2354 |
break;
|
2355 |
case OPC_DCLZ:
|
2356 |
gen_helper_dclz(cpu_gpr[rd], t0); |
2357 |
opn = "dclz";
|
2358 |
break;
|
2359 |
#endif
|
2360 |
} |
2361 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
2362 |
tcg_temp_free(t0); |
2363 |
} |
2364 |
|
2365 |
/* Traps */
|
2366 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
2367 |
int rs, int rt, int16_t imm) |
2368 |
{ |
2369 |
int cond;
|
2370 |
TCGv t0 = tcg_temp_new(); |
2371 |
TCGv t1 = tcg_temp_new(); |
2372 |
|
2373 |
cond = 0;
|
2374 |
/* Load needed operands */
|
2375 |
switch (opc) {
|
2376 |
case OPC_TEQ:
|
2377 |
case OPC_TGE:
|
2378 |
case OPC_TGEU:
|
2379 |
case OPC_TLT:
|
2380 |
case OPC_TLTU:
|
2381 |
case OPC_TNE:
|
2382 |
/* Compare two registers */
|
2383 |
if (rs != rt) {
|
2384 |
gen_load_gpr(t0, rs); |
2385 |
gen_load_gpr(t1, rt); |
2386 |
cond = 1;
|
2387 |
} |
2388 |
break;
|
2389 |
case OPC_TEQI:
|
2390 |
case OPC_TGEI:
|
2391 |
case OPC_TGEIU:
|
2392 |
case OPC_TLTI:
|
2393 |
case OPC_TLTIU:
|
2394 |
case OPC_TNEI:
|
2395 |
/* Compare register to immediate */
|
2396 |
if (rs != 0 || imm != 0) { |
2397 |
gen_load_gpr(t0, rs); |
2398 |
tcg_gen_movi_tl(t1, (int32_t)imm); |
2399 |
cond = 1;
|
2400 |
} |
2401 |
break;
|
2402 |
} |
2403 |
if (cond == 0) { |
2404 |
switch (opc) {
|
2405 |
case OPC_TEQ: /* rs == rs */ |
2406 |
case OPC_TEQI: /* r0 == 0 */ |
2407 |
case OPC_TGE: /* rs >= rs */ |
2408 |
case OPC_TGEI: /* r0 >= 0 */ |
2409 |
case OPC_TGEU: /* rs >= rs unsigned */ |
2410 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
2411 |
/* Always trap */
|
2412 |
generate_exception(ctx, EXCP_TRAP); |
2413 |
break;
|
2414 |
case OPC_TLT: /* rs < rs */ |
2415 |
case OPC_TLTI: /* r0 < 0 */ |
2416 |
case OPC_TLTU: /* rs < rs unsigned */ |
2417 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
2418 |
case OPC_TNE: /* rs != rs */ |
2419 |
case OPC_TNEI: /* r0 != 0 */ |
2420 |
/* Never trap: treat as NOP. */
|
2421 |
break;
|
2422 |
} |
2423 |
} else {
|
2424 |
int l1 = gen_new_label();
|
2425 |
|
2426 |
switch (opc) {
|
2427 |
case OPC_TEQ:
|
2428 |
case OPC_TEQI:
|
2429 |
tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); |
2430 |
break;
|
2431 |
case OPC_TGE:
|
2432 |
case OPC_TGEI:
|
2433 |
tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); |
2434 |
break;
|
2435 |
case OPC_TGEU:
|
2436 |
case OPC_TGEIU:
|
2437 |
tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); |
2438 |
break;
|
2439 |
case OPC_TLT:
|
2440 |
case OPC_TLTI:
|
2441 |
tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); |
2442 |
break;
|
2443 |
case OPC_TLTU:
|
2444 |
case OPC_TLTIU:
|
2445 |
tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); |
2446 |
break;
|
2447 |
case OPC_TNE:
|
2448 |
case OPC_TNEI:
|
2449 |
tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); |
2450 |
break;
|
2451 |
} |
2452 |
generate_exception(ctx, EXCP_TRAP); |
2453 |
gen_set_label(l1); |
2454 |
} |
2455 |
tcg_temp_free(t0); |
2456 |
tcg_temp_free(t1); |
2457 |
} |
2458 |
|
2459 |
static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
2460 |
{ |
2461 |
TranslationBlock *tb; |
2462 |
tb = ctx->tb; |
2463 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
|
2464 |
likely(!ctx->singlestep_enabled)) { |
2465 |
tcg_gen_goto_tb(n); |
2466 |
gen_save_pc(dest); |
2467 |
tcg_gen_exit_tb((long)tb + n);
|
2468 |
} else {
|
2469 |
gen_save_pc(dest); |
2470 |
if (ctx->singlestep_enabled) {
|
2471 |
save_cpu_state(ctx, 0);
|
2472 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
2473 |
} |
2474 |
tcg_gen_exit_tb(0);
|
2475 |
} |
2476 |
} |
2477 |
|
2478 |
/* Branches (before delay slot) */
|
2479 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
2480 |
int rs, int rt, int32_t offset) |
2481 |
{ |
2482 |
target_ulong btgt = -1;
|
2483 |
int blink = 0; |
2484 |
int bcond_compute = 0; |
2485 |
TCGv t0 = tcg_temp_new(); |
2486 |
TCGv t1 = tcg_temp_new(); |
2487 |
|
2488 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
2489 |
#ifdef MIPS_DEBUG_DISAS
|
2490 |
LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc); |
2491 |
#endif
|
2492 |
generate_exception(ctx, EXCP_RI); |
2493 |
goto out;
|
2494 |
} |
2495 |
|
2496 |
/* Load needed operands */
|
2497 |
switch (opc) {
|
2498 |
case OPC_BEQ:
|
2499 |
case OPC_BEQL:
|
2500 |
case OPC_BNE:
|
2501 |
case OPC_BNEL:
|
2502 |
/* Compare two registers */
|
2503 |
if (rs != rt) {
|
2504 |
gen_load_gpr(t0, rs); |
2505 |
gen_load_gpr(t1, rt); |
2506 |
bcond_compute = 1;
|
2507 |
} |
2508 |
btgt = ctx->pc + 4 + offset;
|
2509 |
break;
|
2510 |
case OPC_BGEZ:
|
2511 |
case OPC_BGEZAL:
|
2512 |
case OPC_BGEZALL:
|
2513 |
case OPC_BGEZL:
|
2514 |
case OPC_BGTZ:
|
2515 |
case OPC_BGTZL:
|
2516 |
case OPC_BLEZ:
|
2517 |
case OPC_BLEZL:
|
2518 |
case OPC_BLTZ:
|
2519 |
case OPC_BLTZAL:
|
2520 |
case OPC_BLTZALL:
|
2521 |
case OPC_BLTZL:
|
2522 |
/* Compare to zero */
|
2523 |
if (rs != 0) { |
2524 |
gen_load_gpr(t0, rs); |
2525 |
bcond_compute = 1;
|
2526 |
} |
2527 |
btgt = ctx->pc + 4 + offset;
|
2528 |
break;
|
2529 |
case OPC_J:
|
2530 |
case OPC_JAL:
|
2531 |
/* Jump to immediate */
|
2532 |
btgt = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; |
2533 |
break;
|
2534 |
case OPC_JR:
|
2535 |
case OPC_JALR:
|
2536 |
/* Jump to register */
|
2537 |
if (offset != 0 && offset != 16) { |
2538 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
2539 |
others are reserved. */
|
2540 |
MIPS_INVAL("jump hint");
|
2541 |
generate_exception(ctx, EXCP_RI); |
2542 |
goto out;
|
2543 |
} |
2544 |
gen_load_gpr(btarget, rs); |
2545 |
break;
|
2546 |
default:
|
2547 |
MIPS_INVAL("branch/jump");
|
2548 |
generate_exception(ctx, EXCP_RI); |
2549 |
goto out;
|
2550 |
} |
2551 |
if (bcond_compute == 0) { |
2552 |
/* No condition to be computed */
|
2553 |
switch (opc) {
|
2554 |
case OPC_BEQ: /* rx == rx */ |
2555 |
case OPC_BEQL: /* rx == rx likely */ |
2556 |
case OPC_BGEZ: /* 0 >= 0 */ |
2557 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
2558 |
case OPC_BLEZ: /* 0 <= 0 */ |
2559 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
2560 |
/* Always take */
|
2561 |
ctx->hflags |= MIPS_HFLAG_B; |
2562 |
MIPS_DEBUG("balways");
|
2563 |
break;
|
2564 |
case OPC_BGEZAL: /* 0 >= 0 */ |
2565 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
2566 |
/* Always take and link */
|
2567 |
blink = 31;
|
2568 |
ctx->hflags |= MIPS_HFLAG_B; |
2569 |
MIPS_DEBUG("balways and link");
|
2570 |
break;
|
2571 |
case OPC_BNE: /* rx != rx */ |
2572 |
case OPC_BGTZ: /* 0 > 0 */ |
2573 |
case OPC_BLTZ: /* 0 < 0 */ |
2574 |
/* Treat as NOP. */
|
2575 |
MIPS_DEBUG("bnever (NOP)");
|
2576 |
goto out;
|
2577 |
case OPC_BLTZAL: /* 0 < 0 */ |
2578 |
tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); |
2579 |
MIPS_DEBUG("bnever and link");
|
2580 |
goto out;
|
2581 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
2582 |
tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8); |
2583 |
/* Skip the instruction in the delay slot */
|
2584 |
MIPS_DEBUG("bnever, link and skip");
|
2585 |
ctx->pc += 4;
|
2586 |
goto out;
|
2587 |
case OPC_BNEL: /* rx != rx likely */ |
2588 |
case OPC_BGTZL: /* 0 > 0 likely */ |
2589 |
case OPC_BLTZL: /* 0 < 0 likely */ |
2590 |
/* Skip the instruction in the delay slot */
|
2591 |
MIPS_DEBUG("bnever and skip");
|
2592 |
ctx->pc += 4;
|
2593 |
goto out;
|
2594 |
case OPC_J:
|
2595 |
ctx->hflags |= MIPS_HFLAG_B; |
2596 |
MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
|
2597 |
break;
|
2598 |
case OPC_JAL:
|
2599 |
blink = 31;
|
2600 |
ctx->hflags |= MIPS_HFLAG_B; |
2601 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
|
2602 |
break;
|
2603 |
case OPC_JR:
|
2604 |
ctx->hflags |= MIPS_HFLAG_BR; |
2605 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
2606 |
break;
|
2607 |
case OPC_JALR:
|
2608 |
blink = rt; |
2609 |
ctx->hflags |= MIPS_HFLAG_BR; |
2610 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
2611 |
break;
|
2612 |
default:
|
2613 |
MIPS_INVAL("branch/jump");
|
2614 |
generate_exception(ctx, EXCP_RI); |
2615 |
goto out;
|
2616 |
} |
2617 |
} else {
|
2618 |
switch (opc) {
|
2619 |
case OPC_BEQ:
|
2620 |
gen_op_eq(bcond, t0, t1); |
2621 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
2622 |
regnames[rs], regnames[rt], btgt); |
2623 |
goto not_likely;
|
2624 |
case OPC_BEQL:
|
2625 |
gen_op_eq(bcond, t0, t1); |
2626 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
2627 |
regnames[rs], regnames[rt], btgt); |
2628 |
goto likely;
|
2629 |
case OPC_BNE:
|
2630 |
gen_op_ne(bcond, t0, t1); |
2631 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
2632 |
regnames[rs], regnames[rt], btgt); |
2633 |
goto not_likely;
|
2634 |
case OPC_BNEL:
|
2635 |
gen_op_ne(bcond, t0, t1); |
2636 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
2637 |
regnames[rs], regnames[rt], btgt); |
2638 |
goto likely;
|
2639 |
case OPC_BGEZ:
|
2640 |
gen_op_gez(bcond, t0); |
2641 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2642 |
goto not_likely;
|
2643 |
case OPC_BGEZL:
|
2644 |
gen_op_gez(bcond, t0); |
2645 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2646 |
goto likely;
|
2647 |
case OPC_BGEZAL:
|
2648 |
gen_op_gez(bcond, t0); |
2649 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2650 |
blink = 31;
|
2651 |
goto not_likely;
|
2652 |
case OPC_BGEZALL:
|
2653 |
gen_op_gez(bcond, t0); |
2654 |
blink = 31;
|
2655 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2656 |
goto likely;
|
2657 |
case OPC_BGTZ:
|
2658 |
gen_op_gtz(bcond, t0); |
2659 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2660 |
goto not_likely;
|
2661 |
case OPC_BGTZL:
|
2662 |
gen_op_gtz(bcond, t0); |
2663 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2664 |
goto likely;
|
2665 |
case OPC_BLEZ:
|
2666 |
gen_op_lez(bcond, t0); |
2667 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2668 |
goto not_likely;
|
2669 |
case OPC_BLEZL:
|
2670 |
gen_op_lez(bcond, t0); |
2671 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2672 |
goto likely;
|
2673 |
case OPC_BLTZ:
|
2674 |
gen_op_ltz(bcond, t0); |
2675 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2676 |
goto not_likely;
|
2677 |
case OPC_BLTZL:
|
2678 |
gen_op_ltz(bcond, t0); |
2679 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2680 |
goto likely;
|
2681 |
case OPC_BLTZAL:
|
2682 |
gen_op_ltz(bcond, t0); |
2683 |
blink = 31;
|
2684 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2685 |
not_likely:
|
2686 |
ctx->hflags |= MIPS_HFLAG_BC; |
2687 |
break;
|
2688 |
case OPC_BLTZALL:
|
2689 |
gen_op_ltz(bcond, t0); |
2690 |
blink = 31;
|
2691 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
|
2692 |
likely:
|
2693 |
ctx->hflags |= MIPS_HFLAG_BL; |
2694 |
break;
|
2695 |
default:
|
2696 |
MIPS_INVAL("conditional branch/jump");
|
2697 |
generate_exception(ctx, EXCP_RI); |
2698 |
goto out;
|
2699 |
} |
2700 |
} |
2701 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
2702 |
blink, ctx->hflags, btgt); |
2703 |
|
2704 |
ctx->btarget = btgt; |
2705 |
if (blink > 0) { |
2706 |
tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + 8);
|
2707 |
} |
2708 |
|
2709 |
out:
|
2710 |
tcg_temp_free(t0); |
2711 |
tcg_temp_free(t1); |
2712 |
} |
2713 |
|
2714 |
/* special3 bitfield operations */
|
2715 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
2716 |
int rs, int lsb, int msb) |
2717 |
{ |
2718 |
TCGv t0 = tcg_temp_new(); |
2719 |
TCGv t1 = tcg_temp_new(); |
2720 |
target_ulong mask; |
2721 |
|
2722 |
gen_load_gpr(t1, rs); |
2723 |
switch (opc) {
|
2724 |
case OPC_EXT:
|
2725 |
if (lsb + msb > 31) |
2726 |
goto fail;
|
2727 |
tcg_gen_shri_tl(t0, t1, lsb); |
2728 |
if (msb != 31) { |
2729 |
tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1); |
2730 |
} else {
|
2731 |
tcg_gen_ext32s_tl(t0, t0); |
2732 |
} |
2733 |
break;
|
2734 |
#if defined(TARGET_MIPS64)
|
2735 |
case OPC_DEXTM:
|
2736 |
tcg_gen_shri_tl(t0, t1, lsb); |
2737 |
if (msb != 31) { |
2738 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1); |
2739 |
} |
2740 |
break;
|
2741 |
case OPC_DEXTU:
|
2742 |
tcg_gen_shri_tl(t0, t1, lsb + 32);
|
2743 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
2744 |
break;
|
2745 |
case OPC_DEXT:
|
2746 |
tcg_gen_shri_tl(t0, t1, lsb); |
2747 |
tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1); |
2748 |
break;
|
2749 |
#endif
|
2750 |
case OPC_INS:
|
2751 |
if (lsb > msb)
|
2752 |
goto fail;
|
2753 |
mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb; |
2754 |
gen_load_gpr(t0, rt); |
2755 |
tcg_gen_andi_tl(t0, t0, ~mask); |
2756 |
tcg_gen_shli_tl(t1, t1, lsb); |
2757 |
tcg_gen_andi_tl(t1, t1, mask); |
2758 |
tcg_gen_or_tl(t0, t0, t1); |
2759 |
tcg_gen_ext32s_tl(t0, t0); |
2760 |
break;
|
2761 |
#if defined(TARGET_MIPS64)
|
2762 |
case OPC_DINSM:
|
2763 |
if (lsb > msb)
|
2764 |
goto fail;
|
2765 |
mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb; |
2766 |
gen_load_gpr(t0, rt); |
2767 |
tcg_gen_andi_tl(t0, t0, ~mask); |
2768 |
tcg_gen_shli_tl(t1, t1, lsb); |
2769 |
tcg_gen_andi_tl(t1, t1, mask); |
2770 |
tcg_gen_or_tl(t0, t0, t1); |
2771 |
break;
|
2772 |
case OPC_DINSU:
|
2773 |
if (lsb > msb)
|
2774 |
goto fail;
|
2775 |
mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb; |
2776 |
gen_load_gpr(t0, rt); |
2777 |
tcg_gen_andi_tl(t0, t0, ~mask); |
2778 |
tcg_gen_shli_tl(t1, t1, lsb + 32);
|
2779 |
tcg_gen_andi_tl(t1, t1, mask); |
2780 |
tcg_gen_or_tl(t0, t0, t1); |
2781 |
break;
|
2782 |
case OPC_DINS:
|
2783 |
if (lsb > msb)
|
2784 |
goto fail;
|
2785 |
gen_load_gpr(t0, rt); |
2786 |
mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb; |
2787 |
gen_load_gpr(t0, rt); |
2788 |
tcg_gen_andi_tl(t0, t0, ~mask); |
2789 |
tcg_gen_shli_tl(t1, t1, lsb); |
2790 |
tcg_gen_andi_tl(t1, t1, mask); |
2791 |
tcg_gen_or_tl(t0, t0, t1); |
2792 |
break;
|
2793 |
#endif
|
2794 |
default:
|
2795 |
fail:
|
2796 |
MIPS_INVAL("bitops");
|
2797 |
generate_exception(ctx, EXCP_RI); |
2798 |
tcg_temp_free(t0); |
2799 |
tcg_temp_free(t1); |
2800 |
return;
|
2801 |
} |
2802 |
gen_store_gpr(t0, rt); |
2803 |
tcg_temp_free(t0); |
2804 |
tcg_temp_free(t1); |
2805 |
} |
2806 |
|
2807 |
static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd) |
2808 |
{ |
2809 |
TCGv t0; |
2810 |
|
2811 |
if (rd == 0) { |
2812 |
/* If no destination, treat it as a NOP. */
|
2813 |
MIPS_DEBUG("NOP");
|
2814 |
return;
|
2815 |
} |
2816 |
|
2817 |
t0 = tcg_temp_new(); |
2818 |
gen_load_gpr(t0, rt); |
2819 |
switch (op2) {
|
2820 |
case OPC_WSBH:
|
2821 |
{ |
2822 |
TCGv t1 = tcg_temp_new(); |
2823 |
|
2824 |
tcg_gen_shri_tl(t1, t0, 8);
|
2825 |
tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
|
2826 |
tcg_gen_shli_tl(t0, t0, 8);
|
2827 |
tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
|
2828 |
tcg_gen_or_tl(t0, t0, t1); |
2829 |
tcg_temp_free(t1); |
2830 |
tcg_gen_ext32s_tl(cpu_gpr[rd], t0); |
2831 |
} |
2832 |
break;
|
2833 |
case OPC_SEB:
|
2834 |
tcg_gen_ext8s_tl(cpu_gpr[rd], t0); |
2835 |
break;
|
2836 |
case OPC_SEH:
|
2837 |
tcg_gen_ext16s_tl(cpu_gpr[rd], t0); |
2838 |
break;
|
2839 |
#if defined(TARGET_MIPS64)
|
2840 |
case OPC_DSBH:
|
2841 |
{ |
2842 |
TCGv t1 = tcg_temp_new(); |
2843 |
|
2844 |
tcg_gen_shri_tl(t1, t0, 8);
|
2845 |
tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
|
2846 |
tcg_gen_shli_tl(t0, t0, 8);
|
2847 |
tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
|
2848 |
tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
2849 |
tcg_temp_free(t1); |
2850 |
} |
2851 |
break;
|
2852 |
case OPC_DSHD:
|
2853 |
{ |
2854 |
TCGv t1 = tcg_temp_new(); |
2855 |
|
2856 |
tcg_gen_shri_tl(t1, t0, 16);
|
2857 |
tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
|
2858 |
tcg_gen_shli_tl(t0, t0, 16);
|
2859 |
tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
|
2860 |
tcg_gen_or_tl(t0, t0, t1); |
2861 |
tcg_gen_shri_tl(t1, t0, 32);
|
2862 |
tcg_gen_shli_tl(t0, t0, 32);
|
2863 |
tcg_gen_or_tl(cpu_gpr[rd], t0, t1); |
2864 |
tcg_temp_free(t1); |
2865 |
} |
2866 |
break;
|
2867 |
#endif
|
2868 |
default:
|
2869 |
MIPS_INVAL("bsfhl");
|
2870 |
generate_exception(ctx, EXCP_RI); |
2871 |
tcg_temp_free(t0); |
2872 |
return;
|
2873 |
} |
2874 |
tcg_temp_free(t0); |
2875 |
} |
2876 |
|
2877 |
#ifndef CONFIG_USER_ONLY
|
2878 |
/* CP0 (MMU and control) */
|
2879 |
static inline void gen_mfc0_load32 (TCGv arg, target_ulong off) |
2880 |
{ |
2881 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
2882 |
|
2883 |
tcg_gen_ld_i32(t0, cpu_env, off); |
2884 |
tcg_gen_ext_i32_tl(arg, t0); |
2885 |
tcg_temp_free_i32(t0); |
2886 |
} |
2887 |
|
2888 |
static inline void gen_mfc0_load64 (TCGv arg, target_ulong off) |
2889 |
{ |
2890 |
tcg_gen_ld_tl(arg, cpu_env, off); |
2891 |
tcg_gen_ext32s_tl(arg, arg); |
2892 |
} |
2893 |
|
2894 |
static inline void gen_mtc0_store32 (TCGv arg, target_ulong off) |
2895 |
{ |
2896 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
2897 |
|
2898 |
tcg_gen_trunc_tl_i32(t0, arg); |
2899 |
tcg_gen_st_i32(t0, cpu_env, off); |
2900 |
tcg_temp_free_i32(t0); |
2901 |
} |
2902 |
|
2903 |
static inline void gen_mtc0_store64 (TCGv arg, target_ulong off) |
2904 |
{ |
2905 |
tcg_gen_ext32s_tl(arg, arg); |
2906 |
tcg_gen_st_tl(arg, cpu_env, off); |
2907 |
} |
2908 |
|
2909 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
2910 |
{ |
2911 |
const char *rn = "invalid"; |
2912 |
|
2913 |
if (sel != 0) |
2914 |
check_insn(env, ctx, ISA_MIPS32); |
2915 |
|
2916 |
switch (reg) {
|
2917 |
case 0: |
2918 |
switch (sel) {
|
2919 |
case 0: |
2920 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
2921 |
rn = "Index";
|
2922 |
break;
|
2923 |
case 1: |
2924 |
check_insn(env, ctx, ASE_MT); |
2925 |
gen_helper_mfc0_mvpcontrol(arg); |
2926 |
rn = "MVPControl";
|
2927 |
break;
|
2928 |
case 2: |
2929 |
check_insn(env, ctx, ASE_MT); |
2930 |
gen_helper_mfc0_mvpconf0(arg); |
2931 |
rn = "MVPConf0";
|
2932 |
break;
|
2933 |
case 3: |
2934 |
check_insn(env, ctx, ASE_MT); |
2935 |
gen_helper_mfc0_mvpconf1(arg); |
2936 |
rn = "MVPConf1";
|
2937 |
break;
|
2938 |
default:
|
2939 |
goto die;
|
2940 |
} |
2941 |
break;
|
2942 |
case 1: |
2943 |
switch (sel) {
|
2944 |
case 0: |
2945 |
gen_helper_mfc0_random(arg); |
2946 |
rn = "Random";
|
2947 |
break;
|
2948 |
case 1: |
2949 |
check_insn(env, ctx, ASE_MT); |
2950 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
2951 |
rn = "VPEControl";
|
2952 |
break;
|
2953 |
case 2: |
2954 |
check_insn(env, ctx, ASE_MT); |
2955 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
2956 |
rn = "VPEConf0";
|
2957 |
break;
|
2958 |
case 3: |
2959 |
check_insn(env, ctx, ASE_MT); |
2960 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
2961 |
rn = "VPEConf1";
|
2962 |
break;
|
2963 |
case 4: |
2964 |
check_insn(env, ctx, ASE_MT); |
2965 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask)); |
2966 |
rn = "YQMask";
|
2967 |
break;
|
2968 |
case 5: |
2969 |
check_insn(env, ctx, ASE_MT); |
2970 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule)); |
2971 |
rn = "VPESchedule";
|
2972 |
break;
|
2973 |
case 6: |
2974 |
check_insn(env, ctx, ASE_MT); |
2975 |
gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
2976 |
rn = "VPEScheFBack";
|
2977 |
break;
|
2978 |
case 7: |
2979 |
check_insn(env, ctx, ASE_MT); |
2980 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
2981 |
rn = "VPEOpt";
|
2982 |
break;
|
2983 |
default:
|
2984 |
goto die;
|
2985 |
} |
2986 |
break;
|
2987 |
case 2: |
2988 |
switch (sel) {
|
2989 |
case 0: |
2990 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
2991 |
tcg_gen_ext32s_tl(arg, arg); |
2992 |
rn = "EntryLo0";
|
2993 |
break;
|
2994 |
case 1: |
2995 |
check_insn(env, ctx, ASE_MT); |
2996 |
gen_helper_mfc0_tcstatus(arg); |
2997 |
rn = "TCStatus";
|
2998 |
break;
|
2999 |
case 2: |
3000 |
check_insn(env, ctx, ASE_MT); |
3001 |
gen_helper_mfc0_tcbind(arg); |
3002 |
rn = "TCBind";
|
3003 |
break;
|
3004 |
case 3: |
3005 |
check_insn(env, ctx, ASE_MT); |
3006 |
gen_helper_mfc0_tcrestart(arg); |
3007 |
rn = "TCRestart";
|
3008 |
break;
|
3009 |
case 4: |
3010 |
check_insn(env, ctx, ASE_MT); |
3011 |
gen_helper_mfc0_tchalt(arg); |
3012 |
rn = "TCHalt";
|
3013 |
break;
|
3014 |
case 5: |
3015 |
check_insn(env, ctx, ASE_MT); |
3016 |
gen_helper_mfc0_tccontext(arg); |
3017 |
rn = "TCContext";
|
3018 |
break;
|
3019 |
case 6: |
3020 |
check_insn(env, ctx, ASE_MT); |
3021 |
gen_helper_mfc0_tcschedule(arg); |
3022 |
rn = "TCSchedule";
|
3023 |
break;
|
3024 |
case 7: |
3025 |
check_insn(env, ctx, ASE_MT); |
3026 |
gen_helper_mfc0_tcschefback(arg); |
3027 |
rn = "TCScheFBack";
|
3028 |
break;
|
3029 |
default:
|
3030 |
goto die;
|
3031 |
} |
3032 |
break;
|
3033 |
case 3: |
3034 |
switch (sel) {
|
3035 |
case 0: |
3036 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
3037 |
tcg_gen_ext32s_tl(arg, arg); |
3038 |
rn = "EntryLo1";
|
3039 |
break;
|
3040 |
default:
|
3041 |
goto die;
|
3042 |
} |
3043 |
break;
|
3044 |
case 4: |
3045 |
switch (sel) {
|
3046 |
case 0: |
3047 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
3048 |
tcg_gen_ext32s_tl(arg, arg); |
3049 |
rn = "Context";
|
3050 |
break;
|
3051 |
case 1: |
3052 |
// gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
|
3053 |
rn = "ContextConfig";
|
3054 |
// break;
|
3055 |
default:
|
3056 |
goto die;
|
3057 |
} |
3058 |
break;
|
3059 |
case 5: |
3060 |
switch (sel) {
|
3061 |
case 0: |
3062 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
3063 |
rn = "PageMask";
|
3064 |
break;
|
3065 |
case 1: |
3066 |
check_insn(env, ctx, ISA_MIPS32R2); |
3067 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
3068 |
rn = "PageGrain";
|
3069 |
break;
|
3070 |
default:
|
3071 |
goto die;
|
3072 |
} |
3073 |
break;
|
3074 |
case 6: |
3075 |
switch (sel) {
|
3076 |
case 0: |
3077 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
3078 |
rn = "Wired";
|
3079 |
break;
|
3080 |
case 1: |
3081 |
check_insn(env, ctx, ISA_MIPS32R2); |
3082 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
3083 |
rn = "SRSConf0";
|
3084 |
break;
|
3085 |
case 2: |
3086 |
check_insn(env, ctx, ISA_MIPS32R2); |
3087 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
3088 |
rn = "SRSConf1";
|
3089 |
break;
|
3090 |
case 3: |
3091 |
check_insn(env, ctx, ISA_MIPS32R2); |
3092 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
3093 |
rn = "SRSConf2";
|
3094 |
break;
|
3095 |
case 4: |
3096 |
check_insn(env, ctx, ISA_MIPS32R2); |
3097 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
3098 |
rn = "SRSConf3";
|
3099 |
break;
|
3100 |
case 5: |
3101 |
check_insn(env, ctx, ISA_MIPS32R2); |
3102 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
3103 |
rn = "SRSConf4";
|
3104 |
break;
|
3105 |
default:
|
3106 |
goto die;
|
3107 |
} |
3108 |
break;
|
3109 |
case 7: |
3110 |
switch (sel) {
|
3111 |
case 0: |
3112 |
check_insn(env, ctx, ISA_MIPS32R2); |
3113 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
3114 |
rn = "HWREna";
|
3115 |
break;
|
3116 |
default:
|
3117 |
goto die;
|
3118 |
} |
3119 |
break;
|
3120 |
case 8: |
3121 |
switch (sel) {
|
3122 |
case 0: |
3123 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
3124 |
tcg_gen_ext32s_tl(arg, arg); |
3125 |
rn = "BadVAddr";
|
3126 |
break;
|
3127 |
default:
|
3128 |
goto die;
|
3129 |
} |
3130 |
break;
|
3131 |
case 9: |
3132 |
switch (sel) {
|
3133 |
case 0: |
3134 |
/* Mark as an IO operation because we read the time. */
|
3135 |
if (use_icount)
|
3136 |
gen_io_start(); |
3137 |
gen_helper_mfc0_count(arg); |
3138 |
if (use_icount) {
|
3139 |
gen_io_end(); |
3140 |
ctx->bstate = BS_STOP; |
3141 |
} |
3142 |
rn = "Count";
|
3143 |
break;
|
3144 |
/* 6,7 are implementation dependent */
|
3145 |
default:
|
3146 |
goto die;
|
3147 |
} |
3148 |
break;
|
3149 |
case 10: |
3150 |
switch (sel) {
|
3151 |
case 0: |
3152 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
3153 |
tcg_gen_ext32s_tl(arg, arg); |
3154 |
rn = "EntryHi";
|
3155 |
break;
|
3156 |
default:
|
3157 |
goto die;
|
3158 |
} |
3159 |
break;
|
3160 |
case 11: |
3161 |
switch (sel) {
|
3162 |
case 0: |
3163 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
3164 |
rn = "Compare";
|
3165 |
break;
|
3166 |
/* 6,7 are implementation dependent */
|
3167 |
default:
|
3168 |
goto die;
|
3169 |
} |
3170 |
break;
|
3171 |
case 12: |
3172 |
switch (sel) {
|
3173 |
case 0: |
3174 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
3175 |
rn = "Status";
|
3176 |
break;
|
3177 |
case 1: |
3178 |
check_insn(env, ctx, ISA_MIPS32R2); |
3179 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
3180 |
rn = "IntCtl";
|
3181 |
break;
|
3182 |
case 2: |
3183 |
check_insn(env, ctx, ISA_MIPS32R2); |
3184 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
3185 |
rn = "SRSCtl";
|
3186 |
break;
|
3187 |
case 3: |
3188 |
check_insn(env, ctx, ISA_MIPS32R2); |
3189 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
3190 |
rn = "SRSMap";
|
3191 |
break;
|
3192 |
default:
|
3193 |
goto die;
|
3194 |
} |
3195 |
break;
|
3196 |
case 13: |
3197 |
switch (sel) {
|
3198 |
case 0: |
3199 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
3200 |
rn = "Cause";
|
3201 |
break;
|
3202 |
default:
|
3203 |
goto die;
|
3204 |
} |
3205 |
break;
|
3206 |
case 14: |
3207 |
switch (sel) {
|
3208 |
case 0: |
3209 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
3210 |
tcg_gen_ext32s_tl(arg, arg); |
3211 |
rn = "EPC";
|
3212 |
break;
|
3213 |
default:
|
3214 |
goto die;
|
3215 |
} |
3216 |
break;
|
3217 |
case 15: |
3218 |
switch (sel) {
|
3219 |
case 0: |
3220 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
3221 |
rn = "PRid";
|
3222 |
break;
|
3223 |
case 1: |
3224 |
check_insn(env, ctx, ISA_MIPS32R2); |
3225 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
3226 |
rn = "EBase";
|
3227 |
break;
|
3228 |
default:
|
3229 |
goto die;
|
3230 |
} |
3231 |
break;
|
3232 |
case 16: |
3233 |
switch (sel) {
|
3234 |
case 0: |
3235 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
3236 |
rn = "Config";
|
3237 |
break;
|
3238 |
case 1: |
3239 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
3240 |
rn = "Config1";
|
3241 |
break;
|
3242 |
case 2: |
3243 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
3244 |
rn = "Config2";
|
3245 |
break;
|
3246 |
case 3: |
3247 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
3248 |
rn = "Config3";
|
3249 |
break;
|
3250 |
/* 4,5 are reserved */
|
3251 |
/* 6,7 are implementation dependent */
|
3252 |
case 6: |
3253 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
3254 |
rn = "Config6";
|
3255 |
break;
|
3256 |
case 7: |
3257 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
3258 |
rn = "Config7";
|
3259 |
break;
|
3260 |
default:
|
3261 |
goto die;
|
3262 |
} |
3263 |
break;
|
3264 |
case 17: |
3265 |
switch (sel) {
|
3266 |
case 0: |
3267 |
gen_helper_mfc0_lladdr(arg); |
3268 |
rn = "LLAddr";
|
3269 |
break;
|
3270 |
default:
|
3271 |
goto die;
|
3272 |
} |
3273 |
break;
|
3274 |
case 18: |
3275 |
switch (sel) {
|
3276 |
case 0 ... 7: |
3277 |
gen_helper_1i(mfc0_watchlo, arg, sel); |
3278 |
rn = "WatchLo";
|
3279 |
break;
|
3280 |
default:
|
3281 |
goto die;
|
3282 |
} |
3283 |
break;
|
3284 |
case 19: |
3285 |
switch (sel) {
|
3286 |
case 0 ...7: |
3287 |
gen_helper_1i(mfc0_watchhi, arg, sel); |
3288 |
rn = "WatchHi";
|
3289 |
break;
|
3290 |
default:
|
3291 |
goto die;
|
3292 |
} |
3293 |
break;
|
3294 |
case 20: |
3295 |
switch (sel) {
|
3296 |
case 0: |
3297 |
#if defined(TARGET_MIPS64)
|
3298 |
check_insn(env, ctx, ISA_MIPS3); |
3299 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
3300 |
tcg_gen_ext32s_tl(arg, arg); |
3301 |
rn = "XContext";
|
3302 |
break;
|
3303 |
#endif
|
3304 |
default:
|
3305 |
goto die;
|
3306 |
} |
3307 |
break;
|
3308 |
case 21: |
3309 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3310 |
switch (sel) {
|
3311 |
case 0: |
3312 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
3313 |
rn = "Framemask";
|
3314 |
break;
|
3315 |
default:
|
3316 |
goto die;
|
3317 |
} |
3318 |
break;
|
3319 |
case 22: |
3320 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
3321 |
rn = "'Diagnostic"; /* implementation dependent */ |
3322 |
break;
|
3323 |
case 23: |
3324 |
switch (sel) {
|
3325 |
case 0: |
3326 |
gen_helper_mfc0_debug(arg); /* EJTAG support */
|
3327 |
rn = "Debug";
|
3328 |
break;
|
3329 |
case 1: |
3330 |
// gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
|
3331 |
rn = "TraceControl";
|
3332 |
// break;
|
3333 |
case 2: |
3334 |
// gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
|
3335 |
rn = "TraceControl2";
|
3336 |
// break;
|
3337 |
case 3: |
3338 |
// gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
|
3339 |
rn = "UserTraceData";
|
3340 |
// break;
|
3341 |
case 4: |
3342 |
// gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
|
3343 |
rn = "TraceBPC";
|
3344 |
// break;
|
3345 |
default:
|
3346 |
goto die;
|
3347 |
} |
3348 |
break;
|
3349 |
case 24: |
3350 |
switch (sel) {
|
3351 |
case 0: |
3352 |
/* EJTAG support */
|
3353 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
3354 |
tcg_gen_ext32s_tl(arg, arg); |
3355 |
rn = "DEPC";
|
3356 |
break;
|
3357 |
default:
|
3358 |
goto die;
|
3359 |
} |
3360 |
break;
|
3361 |
case 25: |
3362 |
switch (sel) {
|
3363 |
case 0: |
3364 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
3365 |
rn = "Performance0";
|
3366 |
break;
|
3367 |
case 1: |
3368 |
// gen_helper_mfc0_performance1(arg);
|
3369 |
rn = "Performance1";
|
3370 |
// break;
|
3371 |
case 2: |
3372 |
// gen_helper_mfc0_performance2(arg);
|
3373 |
rn = "Performance2";
|
3374 |
// break;
|
3375 |
case 3: |
3376 |
// gen_helper_mfc0_performance3(arg);
|
3377 |
rn = "Performance3";
|
3378 |
// break;
|
3379 |
case 4: |
3380 |
// gen_helper_mfc0_performance4(arg);
|
3381 |
rn = "Performance4";
|
3382 |
// break;
|
3383 |
case 5: |
3384 |
// gen_helper_mfc0_performance5(arg);
|
3385 |
rn = "Performance5";
|
3386 |
// break;
|
3387 |
case 6: |
3388 |
// gen_helper_mfc0_performance6(arg);
|
3389 |
rn = "Performance6";
|
3390 |
// break;
|
3391 |
case 7: |
3392 |
// gen_helper_mfc0_performance7(arg);
|
3393 |
rn = "Performance7";
|
3394 |
// break;
|
3395 |
default:
|
3396 |
goto die;
|
3397 |
} |
3398 |
break;
|
3399 |
case 26: |
3400 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
3401 |
rn = "ECC";
|
3402 |
break;
|
3403 |
case 27: |
3404 |
switch (sel) {
|
3405 |
case 0 ... 3: |
3406 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
3407 |
rn = "CacheErr";
|
3408 |
break;
|
3409 |
default:
|
3410 |
goto die;
|
3411 |
} |
3412 |
break;
|
3413 |
case 28: |
3414 |
switch (sel) {
|
3415 |
case 0: |
3416 |
case 2: |
3417 |
case 4: |
3418 |
case 6: |
3419 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
3420 |
rn = "TagLo";
|
3421 |
break;
|
3422 |
case 1: |
3423 |
case 3: |
3424 |
case 5: |
3425 |
case 7: |
3426 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
3427 |
rn = "DataLo";
|
3428 |
break;
|
3429 |
default:
|
3430 |
goto die;
|
3431 |
} |
3432 |
break;
|
3433 |
case 29: |
3434 |
switch (sel) {
|
3435 |
case 0: |
3436 |
case 2: |
3437 |
case 4: |
3438 |
case 6: |
3439 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
3440 |
rn = "TagHi";
|
3441 |
break;
|
3442 |
case 1: |
3443 |
case 3: |
3444 |
case 5: |
3445 |
case 7: |
3446 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
3447 |
rn = "DataHi";
|
3448 |
break;
|
3449 |
default:
|
3450 |
goto die;
|
3451 |
} |
3452 |
break;
|
3453 |
case 30: |
3454 |
switch (sel) {
|
3455 |
case 0: |
3456 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
3457 |
tcg_gen_ext32s_tl(arg, arg); |
3458 |
rn = "ErrorEPC";
|
3459 |
break;
|
3460 |
default:
|
3461 |
goto die;
|
3462 |
} |
3463 |
break;
|
3464 |
case 31: |
3465 |
switch (sel) {
|
3466 |
case 0: |
3467 |
/* EJTAG support */
|
3468 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
3469 |
rn = "DESAVE";
|
3470 |
break;
|
3471 |
default:
|
3472 |
goto die;
|
3473 |
} |
3474 |
break;
|
3475 |
default:
|
3476 |
goto die;
|
3477 |
} |
3478 |
LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
3479 |
return;
|
3480 |
|
3481 |
die:
|
3482 |
LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
3483 |
generate_exception(ctx, EXCP_RI); |
3484 |
} |
3485 |
|
3486 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
3487 |
{ |
3488 |
const char *rn = "invalid"; |
3489 |
|
3490 |
if (sel != 0) |
3491 |
check_insn(env, ctx, ISA_MIPS32); |
3492 |
|
3493 |
if (use_icount)
|
3494 |
gen_io_start(); |
3495 |
|
3496 |
switch (reg) {
|
3497 |
case 0: |
3498 |
switch (sel) {
|
3499 |
case 0: |
3500 |
gen_helper_mtc0_index(arg); |
3501 |
rn = "Index";
|
3502 |
break;
|
3503 |
case 1: |
3504 |
check_insn(env, ctx, ASE_MT); |
3505 |
gen_helper_mtc0_mvpcontrol(arg); |
3506 |
rn = "MVPControl";
|
3507 |
break;
|
3508 |
case 2: |
3509 |
check_insn(env, ctx, ASE_MT); |
3510 |
/* ignored */
|
3511 |
rn = "MVPConf0";
|
3512 |
break;
|
3513 |
case 3: |
3514 |
check_insn(env, ctx, ASE_MT); |
3515 |
/* ignored */
|
3516 |
rn = "MVPConf1";
|
3517 |
break;
|
3518 |
default:
|
3519 |
goto die;
|
3520 |
} |
3521 |
break;
|
3522 |
case 1: |
3523 |
switch (sel) {
|
3524 |
case 0: |
3525 |
/* ignored */
|
3526 |
rn = "Random";
|
3527 |
break;
|
3528 |
case 1: |
3529 |
check_insn(env, ctx, ASE_MT); |
3530 |
gen_helper_mtc0_vpecontrol(arg); |
3531 |
rn = "VPEControl";
|
3532 |
break;
|
3533 |
case 2: |
3534 |
check_insn(env, ctx, ASE_MT); |
3535 |
gen_helper_mtc0_vpeconf0(arg); |
3536 |
rn = "VPEConf0";
|
3537 |
break;
|
3538 |
case 3: |
3539 |
check_insn(env, ctx, ASE_MT); |
3540 |
gen_helper_mtc0_vpeconf1(arg); |
3541 |
rn = "VPEConf1";
|
3542 |
break;
|
3543 |
case 4: |
3544 |
check_insn(env, ctx, ASE_MT); |
3545 |
gen_helper_mtc0_yqmask(arg); |
3546 |
rn = "YQMask";
|
3547 |
break;
|
3548 |
case 5: |
3549 |
check_insn(env, ctx, ASE_MT); |
3550 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule)); |
3551 |
rn = "VPESchedule";
|
3552 |
break;
|
3553 |
case 6: |
3554 |
check_insn(env, ctx, ASE_MT); |
3555 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack)); |
3556 |
rn = "VPEScheFBack";
|
3557 |
break;
|
3558 |
case 7: |
3559 |
check_insn(env, ctx, ASE_MT); |
3560 |
gen_helper_mtc0_vpeopt(arg); |
3561 |
rn = "VPEOpt";
|
3562 |
break;
|
3563 |
default:
|
3564 |
goto die;
|
3565 |
} |
3566 |
break;
|
3567 |
case 2: |
3568 |
switch (sel) {
|
3569 |
case 0: |
3570 |
gen_helper_mtc0_entrylo0(arg); |
3571 |
rn = "EntryLo0";
|
3572 |
break;
|
3573 |
case 1: |
3574 |
check_insn(env, ctx, ASE_MT); |
3575 |
gen_helper_mtc0_tcstatus(arg); |
3576 |
rn = "TCStatus";
|
3577 |
break;
|
3578 |
case 2: |
3579 |
check_insn(env, ctx, ASE_MT); |
3580 |
gen_helper_mtc0_tcbind(arg); |
3581 |
rn = "TCBind";
|
3582 |
break;
|
3583 |
case 3: |
3584 |
check_insn(env, ctx, ASE_MT); |
3585 |
gen_helper_mtc0_tcrestart(arg); |
3586 |
rn = "TCRestart";
|
3587 |
break;
|
3588 |
case 4: |
3589 |
check_insn(env, ctx, ASE_MT); |
3590 |
gen_helper_mtc0_tchalt(arg); |
3591 |
rn = "TCHalt";
|
3592 |
break;
|
3593 |
case 5: |
3594 |
check_insn(env, ctx, ASE_MT); |
3595 |
gen_helper_mtc0_tccontext(arg); |
3596 |
rn = "TCContext";
|
3597 |
break;
|
3598 |
case 6: |
3599 |
check_insn(env, ctx, ASE_MT); |
3600 |
gen_helper_mtc0_tcschedule(arg); |
3601 |
rn = "TCSchedule";
|
3602 |
break;
|
3603 |
case 7: |
3604 |
check_insn(env, ctx, ASE_MT); |
3605 |
gen_helper_mtc0_tcschefback(arg); |
3606 |
rn = "TCScheFBack";
|
3607 |
break;
|
3608 |
default:
|
3609 |
goto die;
|
3610 |
} |
3611 |
break;
|
3612 |
case 3: |
3613 |
switch (sel) {
|
3614 |
case 0: |
3615 |
gen_helper_mtc0_entrylo1(arg); |
3616 |
rn = "EntryLo1";
|
3617 |
break;
|
3618 |
default:
|
3619 |
goto die;
|
3620 |
} |
3621 |
break;
|
3622 |
case 4: |
3623 |
switch (sel) {
|
3624 |
case 0: |
3625 |
gen_helper_mtc0_context(arg); |
3626 |
rn = "Context";
|
3627 |
break;
|
3628 |
case 1: |
3629 |
// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
|
3630 |
rn = "ContextConfig";
|
3631 |
// break;
|
3632 |
default:
|
3633 |
goto die;
|
3634 |
} |
3635 |
break;
|
3636 |
case 5: |
3637 |
switch (sel) {
|
3638 |
case 0: |
3639 |
gen_helper_mtc0_pagemask(arg); |
3640 |
rn = "PageMask";
|
3641 |
break;
|
3642 |
case 1: |
3643 |
check_insn(env, ctx, ISA_MIPS32R2); |
3644 |
gen_helper_mtc0_pagegrain(arg); |
3645 |
rn = "PageGrain";
|
3646 |
break;
|
3647 |
default:
|
3648 |
goto die;
|
3649 |
} |
3650 |
break;
|
3651 |
case 6: |
3652 |
switch (sel) {
|
3653 |
case 0: |
3654 |
gen_helper_mtc0_wired(arg); |
3655 |
rn = "Wired";
|
3656 |
break;
|
3657 |
case 1: |
3658 |
check_insn(env, ctx, ISA_MIPS32R2); |
3659 |
gen_helper_mtc0_srsconf0(arg); |
3660 |
rn = "SRSConf0";
|
3661 |
break;
|
3662 |
case 2: |
3663 |
check_insn(env, ctx, ISA_MIPS32R2); |
3664 |
gen_helper_mtc0_srsconf1(arg); |
3665 |
rn = "SRSConf1";
|
3666 |
break;
|
3667 |
case 3: |
3668 |
check_insn(env, ctx, ISA_MIPS32R2); |
3669 |
gen_helper_mtc0_srsconf2(arg); |
3670 |
rn = "SRSConf2";
|
3671 |
break;
|
3672 |
case 4: |
3673 |
check_insn(env, ctx, ISA_MIPS32R2); |
3674 |
gen_helper_mtc0_srsconf3(arg); |
3675 |
rn = "SRSConf3";
|
3676 |
break;
|
3677 |
case 5: |
3678 |
check_insn(env, ctx, ISA_MIPS32R2); |
3679 |
gen_helper_mtc0_srsconf4(arg); |
3680 |
rn = "SRSConf4";
|
3681 |
break;
|
3682 |
default:
|
3683 |
goto die;
|
3684 |
} |
3685 |
break;
|
3686 |
case 7: |
3687 |
switch (sel) {
|
3688 |
case 0: |
3689 |
check_insn(env, ctx, ISA_MIPS32R2); |
3690 |
gen_helper_mtc0_hwrena(arg); |
3691 |
rn = "HWREna";
|
3692 |
break;
|
3693 |
default:
|
3694 |
goto die;
|
3695 |
} |
3696 |
break;
|
3697 |
case 8: |
3698 |
/* ignored */
|
3699 |
rn = "BadVAddr";
|
3700 |
break;
|
3701 |
case 9: |
3702 |
switch (sel) {
|
3703 |
case 0: |
3704 |
gen_helper_mtc0_count(arg); |
3705 |
rn = "Count";
|
3706 |
break;
|
3707 |
/* 6,7 are implementation dependent */
|
3708 |
default:
|
3709 |
goto die;
|
3710 |
} |
3711 |
break;
|
3712 |
case 10: |
3713 |
switch (sel) {
|
3714 |
case 0: |
3715 |
gen_helper_mtc0_entryhi(arg); |
3716 |
rn = "EntryHi";
|
3717 |
break;
|
3718 |
default:
|
3719 |
goto die;
|
3720 |
} |
3721 |
break;
|
3722 |
case 11: |
3723 |
switch (sel) {
|
3724 |
case 0: |
3725 |
gen_helper_mtc0_compare(arg); |
3726 |
rn = "Compare";
|
3727 |
break;
|
3728 |
/* 6,7 are implementation dependent */
|
3729 |
default:
|
3730 |
goto die;
|
3731 |
} |
3732 |
break;
|
3733 |
case 12: |
3734 |
switch (sel) {
|
3735 |
case 0: |
3736 |
save_cpu_state(ctx, 1);
|
3737 |
gen_helper_mtc0_status(arg); |
3738 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3739 |
gen_save_pc(ctx->pc + 4);
|
3740 |
ctx->bstate = BS_EXCP; |
3741 |
rn = "Status";
|
3742 |
break;
|
3743 |
case 1: |
3744 |
check_insn(env, ctx, ISA_MIPS32R2); |
3745 |
gen_helper_mtc0_intctl(arg); |
3746 |
/* Stop translation as we may have switched the execution mode */
|
3747 |
ctx->bstate = BS_STOP; |
3748 |
rn = "IntCtl";
|
3749 |
break;
|
3750 |
case 2: |
3751 |
check_insn(env, ctx, ISA_MIPS32R2); |
3752 |
gen_helper_mtc0_srsctl(arg); |
3753 |
/* Stop translation as we may have switched the execution mode */
|
3754 |
ctx->bstate = BS_STOP; |
3755 |
rn = "SRSCtl";
|
3756 |
break;
|
3757 |
case 3: |
3758 |
check_insn(env, ctx, ISA_MIPS32R2); |
3759 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
3760 |
/* Stop translation as we may have switched the execution mode */
|
3761 |
ctx->bstate = BS_STOP; |
3762 |
rn = "SRSMap";
|
3763 |
break;
|
3764 |
default:
|
3765 |
goto die;
|
3766 |
} |
3767 |
break;
|
3768 |
case 13: |
3769 |
switch (sel) {
|
3770 |
case 0: |
3771 |
save_cpu_state(ctx, 1);
|
3772 |
gen_helper_mtc0_cause(arg); |
3773 |
rn = "Cause";
|
3774 |
break;
|
3775 |
default:
|
3776 |
goto die;
|
3777 |
} |
3778 |
break;
|
3779 |
case 14: |
3780 |
switch (sel) {
|
3781 |
case 0: |
3782 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC)); |
3783 |
rn = "EPC";
|
3784 |
break;
|
3785 |
default:
|
3786 |
goto die;
|
3787 |
} |
3788 |
break;
|
3789 |
case 15: |
3790 |
switch (sel) {
|
3791 |
case 0: |
3792 |
/* ignored */
|
3793 |
rn = "PRid";
|
3794 |
break;
|
3795 |
case 1: |
3796 |
check_insn(env, ctx, ISA_MIPS32R2); |
3797 |
gen_helper_mtc0_ebase(arg); |
3798 |
rn = "EBase";
|
3799 |
break;
|
3800 |
default:
|
3801 |
goto die;
|
3802 |
} |
3803 |
break;
|
3804 |
case 16: |
3805 |
switch (sel) {
|
3806 |
case 0: |
3807 |
gen_helper_mtc0_config0(arg); |
3808 |
rn = "Config";
|
3809 |
/* Stop translation as we may have switched the execution mode */
|
3810 |
ctx->bstate = BS_STOP; |
3811 |
break;
|
3812 |
case 1: |
3813 |
/* ignored, read only */
|
3814 |
rn = "Config1";
|
3815 |
break;
|
3816 |
case 2: |
3817 |
gen_helper_mtc0_config2(arg); |
3818 |
rn = "Config2";
|
3819 |
/* Stop translation as we may have switched the execution mode */
|
3820 |
ctx->bstate = BS_STOP; |
3821 |
break;
|
3822 |
case 3: |
3823 |
/* ignored, read only */
|
3824 |
rn = "Config3";
|
3825 |
break;
|
3826 |
/* 4,5 are reserved */
|
3827 |
/* 6,7 are implementation dependent */
|
3828 |
case 6: |
3829 |
/* ignored */
|
3830 |
rn = "Config6";
|
3831 |
break;
|
3832 |
case 7: |
3833 |
/* ignored */
|
3834 |
rn = "Config7";
|
3835 |
break;
|
3836 |
default:
|
3837 |
rn = "Invalid config selector";
|
3838 |
goto die;
|
3839 |
} |
3840 |
break;
|
3841 |
case 17: |
3842 |
switch (sel) {
|
3843 |
case 0: |
3844 |
/* ignored */
|
3845 |
rn = "LLAddr";
|
3846 |
break;
|
3847 |
default:
|
3848 |
goto die;
|
3849 |
} |
3850 |
break;
|
3851 |
case 18: |
3852 |
switch (sel) {
|
3853 |
case 0 ... 7: |
3854 |
gen_helper_1i(mtc0_watchlo, arg, sel); |
3855 |
rn = "WatchLo";
|
3856 |
break;
|
3857 |
default:
|
3858 |
goto die;
|
3859 |
} |
3860 |
break;
|
3861 |
case 19: |
3862 |
switch (sel) {
|
3863 |
case 0 ... 7: |
3864 |
gen_helper_1i(mtc0_watchhi, arg, sel); |
3865 |
rn = "WatchHi";
|
3866 |
break;
|
3867 |
default:
|
3868 |
goto die;
|
3869 |
} |
3870 |
break;
|
3871 |
case 20: |
3872 |
switch (sel) {
|
3873 |
case 0: |
3874 |
#if defined(TARGET_MIPS64)
|
3875 |
check_insn(env, ctx, ISA_MIPS3); |
3876 |
gen_helper_mtc0_xcontext(arg); |
3877 |
rn = "XContext";
|
3878 |
break;
|
3879 |
#endif
|
3880 |
default:
|
3881 |
goto die;
|
3882 |
} |
3883 |
break;
|
3884 |
case 21: |
3885 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3886 |
switch (sel) {
|
3887 |
case 0: |
3888 |
gen_helper_mtc0_framemask(arg); |
3889 |
rn = "Framemask";
|
3890 |
break;
|
3891 |
default:
|
3892 |
goto die;
|
3893 |
} |
3894 |
break;
|
3895 |
case 22: |
3896 |
/* ignored */
|
3897 |
rn = "Diagnostic"; /* implementation dependent */ |
3898 |
break;
|
3899 |
case 23: |
3900 |
switch (sel) {
|
3901 |
case 0: |
3902 |
gen_helper_mtc0_debug(arg); /* EJTAG support */
|
3903 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3904 |
gen_save_pc(ctx->pc + 4);
|
3905 |
ctx->bstate = BS_EXCP; |
3906 |
rn = "Debug";
|
3907 |
break;
|
3908 |
case 1: |
3909 |
// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
|
3910 |
rn = "TraceControl";
|
3911 |
/* Stop translation as we may have switched the execution mode */
|
3912 |
ctx->bstate = BS_STOP; |
3913 |
// break;
|
3914 |
case 2: |
3915 |
// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
|
3916 |
rn = "TraceControl2";
|
3917 |
/* Stop translation as we may have switched the execution mode */
|
3918 |
ctx->bstate = BS_STOP; |
3919 |
// break;
|
3920 |
case 3: |
3921 |
/* Stop translation as we may have switched the execution mode */
|
3922 |
ctx->bstate = BS_STOP; |
3923 |
// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
|
3924 |
rn = "UserTraceData";
|
3925 |
/* Stop translation as we may have switched the execution mode */
|
3926 |
ctx->bstate = BS_STOP; |
3927 |
// break;
|
3928 |
case 4: |
3929 |
// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
|
3930 |
/* Stop translation as we may have switched the execution mode */
|
3931 |
ctx->bstate = BS_STOP; |
3932 |
rn = "TraceBPC";
|
3933 |
// break;
|
3934 |
default:
|
3935 |
goto die;
|
3936 |
} |
3937 |
break;
|
3938 |
case 24: |
3939 |
switch (sel) {
|
3940 |
case 0: |
3941 |
/* EJTAG support */
|
3942 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC)); |
3943 |
rn = "DEPC";
|
3944 |
break;
|
3945 |
default:
|
3946 |
goto die;
|
3947 |
} |
3948 |
break;
|
3949 |
case 25: |
3950 |
switch (sel) {
|
3951 |
case 0: |
3952 |
gen_helper_mtc0_performance0(arg); |
3953 |
rn = "Performance0";
|
3954 |
break;
|
3955 |
case 1: |
3956 |
// gen_helper_mtc0_performance1(arg);
|
3957 |
rn = "Performance1";
|
3958 |
// break;
|
3959 |
case 2: |
3960 |
// gen_helper_mtc0_performance2(arg);
|
3961 |
rn = "Performance2";
|
3962 |
// break;
|
3963 |
case 3: |
3964 |
// gen_helper_mtc0_performance3(arg);
|
3965 |
rn = "Performance3";
|
3966 |
// break;
|
3967 |
case 4: |
3968 |
// gen_helper_mtc0_performance4(arg);
|
3969 |
rn = "Performance4";
|
3970 |
// break;
|
3971 |
case 5: |
3972 |
// gen_helper_mtc0_performance5(arg);
|
3973 |
rn = "Performance5";
|
3974 |
// break;
|
3975 |
case 6: |
3976 |
// gen_helper_mtc0_performance6(arg);
|
3977 |
rn = "Performance6";
|
3978 |
// break;
|
3979 |
case 7: |
3980 |
// gen_helper_mtc0_performance7(arg);
|
3981 |
rn = "Performance7";
|
3982 |
// break;
|
3983 |
default:
|
3984 |
goto die;
|
3985 |
} |
3986 |
break;
|
3987 |
case 26: |
3988 |
/* ignored */
|
3989 |
rn = "ECC";
|
3990 |
break;
|
3991 |
case 27: |
3992 |
switch (sel) {
|
3993 |
case 0 ... 3: |
3994 |
/* ignored */
|
3995 |
rn = "CacheErr";
|
3996 |
break;
|
3997 |
default:
|
3998 |
goto die;
|
3999 |
} |
4000 |
break;
|
4001 |
case 28: |
4002 |
switch (sel) {
|
4003 |
case 0: |
4004 |
case 2: |
4005 |
case 4: |
4006 |
case 6: |
4007 |
gen_helper_mtc0_taglo(arg); |
4008 |
rn = "TagLo";
|
4009 |
break;
|
4010 |
case 1: |
4011 |
case 3: |
4012 |
case 5: |
4013 |
case 7: |
4014 |
gen_helper_mtc0_datalo(arg); |
4015 |
rn = "DataLo";
|
4016 |
break;
|
4017 |
default:
|
4018 |
goto die;
|
4019 |
} |
4020 |
break;
|
4021 |
case 29: |
4022 |
switch (sel) {
|
4023 |
case 0: |
4024 |
case 2: |
4025 |
case 4: |
4026 |
case 6: |
4027 |
gen_helper_mtc0_taghi(arg); |
4028 |
rn = "TagHi";
|
4029 |
break;
|
4030 |
case 1: |
4031 |
case 3: |
4032 |
case 5: |
4033 |
case 7: |
4034 |
gen_helper_mtc0_datahi(arg); |
4035 |
rn = "DataHi";
|
4036 |
break;
|
4037 |
default:
|
4038 |
rn = "invalid sel";
|
4039 |
goto die;
|
4040 |
} |
4041 |
break;
|
4042 |
case 30: |
4043 |
switch (sel) {
|
4044 |
case 0: |
4045 |
gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC)); |
4046 |
rn = "ErrorEPC";
|
4047 |
break;
|
4048 |
default:
|
4049 |
goto die;
|
4050 |
} |
4051 |
break;
|
4052 |
case 31: |
4053 |
switch (sel) {
|
4054 |
case 0: |
4055 |
/* EJTAG support */
|
4056 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
4057 |
rn = "DESAVE";
|
4058 |
break;
|
4059 |
default:
|
4060 |
goto die;
|
4061 |
} |
4062 |
/* Stop translation as we may have switched the execution mode */
|
4063 |
ctx->bstate = BS_STOP; |
4064 |
break;
|
4065 |
default:
|
4066 |
goto die;
|
4067 |
} |
4068 |
LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4069 |
/* For simplicity assume that all writes can cause interrupts. */
|
4070 |
if (use_icount) {
|
4071 |
gen_io_end(); |
4072 |
ctx->bstate = BS_STOP; |
4073 |
} |
4074 |
return;
|
4075 |
|
4076 |
die:
|
4077 |
LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4078 |
generate_exception(ctx, EXCP_RI); |
4079 |
} |
4080 |
|
4081 |
#if defined(TARGET_MIPS64)
|
4082 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
4083 |
{ |
4084 |
const char *rn = "invalid"; |
4085 |
|
4086 |
if (sel != 0) |
4087 |
check_insn(env, ctx, ISA_MIPS64); |
4088 |
|
4089 |
switch (reg) {
|
4090 |
case 0: |
4091 |
switch (sel) {
|
4092 |
case 0: |
4093 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index)); |
4094 |
rn = "Index";
|
4095 |
break;
|
4096 |
case 1: |
4097 |
check_insn(env, ctx, ASE_MT); |
4098 |
gen_helper_mfc0_mvpcontrol(arg); |
4099 |
rn = "MVPControl";
|
4100 |
break;
|
4101 |
case 2: |
4102 |
check_insn(env, ctx, ASE_MT); |
4103 |
gen_helper_mfc0_mvpconf0(arg); |
4104 |
rn = "MVPConf0";
|
4105 |
break;
|
4106 |
case 3: |
4107 |
check_insn(env, ctx, ASE_MT); |
4108 |
gen_helper_mfc0_mvpconf1(arg); |
4109 |
rn = "MVPConf1";
|
4110 |
break;
|
4111 |
default:
|
4112 |
goto die;
|
4113 |
} |
4114 |
break;
|
4115 |
case 1: |
4116 |
switch (sel) {
|
4117 |
case 0: |
4118 |
gen_helper_mfc0_random(arg); |
4119 |
rn = "Random";
|
4120 |
break;
|
4121 |
case 1: |
4122 |
check_insn(env, ctx, ASE_MT); |
4123 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl)); |
4124 |
rn = "VPEControl";
|
4125 |
break;
|
4126 |
case 2: |
4127 |
check_insn(env, ctx, ASE_MT); |
4128 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0)); |
4129 |
rn = "VPEConf0";
|
4130 |
break;
|
4131 |
case 3: |
4132 |
check_insn(env, ctx, ASE_MT); |
4133 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1)); |
4134 |
rn = "VPEConf1";
|
4135 |
break;
|
4136 |
case 4: |
4137 |
check_insn(env, ctx, ASE_MT); |
4138 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask)); |
4139 |
rn = "YQMask";
|
4140 |
break;
|
4141 |
case 5: |
4142 |
check_insn(env, ctx, ASE_MT); |
4143 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
4144 |
rn = "VPESchedule";
|
4145 |
break;
|
4146 |
case 6: |
4147 |
check_insn(env, ctx, ASE_MT); |
4148 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
4149 |
rn = "VPEScheFBack";
|
4150 |
break;
|
4151 |
case 7: |
4152 |
check_insn(env, ctx, ASE_MT); |
4153 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt)); |
4154 |
rn = "VPEOpt";
|
4155 |
break;
|
4156 |
default:
|
4157 |
goto die;
|
4158 |
} |
4159 |
break;
|
4160 |
case 2: |
4161 |
switch (sel) {
|
4162 |
case 0: |
4163 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0)); |
4164 |
rn = "EntryLo0";
|
4165 |
break;
|
4166 |
case 1: |
4167 |
check_insn(env, ctx, ASE_MT); |
4168 |
gen_helper_mfc0_tcstatus(arg); |
4169 |
rn = "TCStatus";
|
4170 |
break;
|
4171 |
case 2: |
4172 |
check_insn(env, ctx, ASE_MT); |
4173 |
gen_helper_mfc0_tcbind(arg); |
4174 |
rn = "TCBind";
|
4175 |
break;
|
4176 |
case 3: |
4177 |
check_insn(env, ctx, ASE_MT); |
4178 |
gen_helper_dmfc0_tcrestart(arg); |
4179 |
rn = "TCRestart";
|
4180 |
break;
|
4181 |
case 4: |
4182 |
check_insn(env, ctx, ASE_MT); |
4183 |
gen_helper_dmfc0_tchalt(arg); |
4184 |
rn = "TCHalt";
|
4185 |
break;
|
4186 |
case 5: |
4187 |
check_insn(env, ctx, ASE_MT); |
4188 |
gen_helper_dmfc0_tccontext(arg); |
4189 |
rn = "TCContext";
|
4190 |
break;
|
4191 |
case 6: |
4192 |
check_insn(env, ctx, ASE_MT); |
4193 |
gen_helper_dmfc0_tcschedule(arg); |
4194 |
rn = "TCSchedule";
|
4195 |
break;
|
4196 |
case 7: |
4197 |
check_insn(env, ctx, ASE_MT); |
4198 |
gen_helper_dmfc0_tcschefback(arg); |
4199 |
rn = "TCScheFBack";
|
4200 |
break;
|
4201 |
default:
|
4202 |
goto die;
|
4203 |
} |
4204 |
break;
|
4205 |
case 3: |
4206 |
switch (sel) {
|
4207 |
case 0: |
4208 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1)); |
4209 |
rn = "EntryLo1";
|
4210 |
break;
|
4211 |
default:
|
4212 |
goto die;
|
4213 |
} |
4214 |
break;
|
4215 |
case 4: |
4216 |
switch (sel) {
|
4217 |
case 0: |
4218 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context)); |
4219 |
rn = "Context";
|
4220 |
break;
|
4221 |
case 1: |
4222 |
// gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
|
4223 |
rn = "ContextConfig";
|
4224 |
// break;
|
4225 |
default:
|
4226 |
goto die;
|
4227 |
} |
4228 |
break;
|
4229 |
case 5: |
4230 |
switch (sel) {
|
4231 |
case 0: |
4232 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask)); |
4233 |
rn = "PageMask";
|
4234 |
break;
|
4235 |
case 1: |
4236 |
check_insn(env, ctx, ISA_MIPS32R2); |
4237 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain)); |
4238 |
rn = "PageGrain";
|
4239 |
break;
|
4240 |
default:
|
4241 |
goto die;
|
4242 |
} |
4243 |
break;
|
4244 |
case 6: |
4245 |
switch (sel) {
|
4246 |
case 0: |
4247 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired)); |
4248 |
rn = "Wired";
|
4249 |
break;
|
4250 |
case 1: |
4251 |
check_insn(env, ctx, ISA_MIPS32R2); |
4252 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0)); |
4253 |
rn = "SRSConf0";
|
4254 |
break;
|
4255 |
case 2: |
4256 |
check_insn(env, ctx, ISA_MIPS32R2); |
4257 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1)); |
4258 |
rn = "SRSConf1";
|
4259 |
break;
|
4260 |
case 3: |
4261 |
check_insn(env, ctx, ISA_MIPS32R2); |
4262 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2)); |
4263 |
rn = "SRSConf2";
|
4264 |
break;
|
4265 |
case 4: |
4266 |
check_insn(env, ctx, ISA_MIPS32R2); |
4267 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3)); |
4268 |
rn = "SRSConf3";
|
4269 |
break;
|
4270 |
case 5: |
4271 |
check_insn(env, ctx, ISA_MIPS32R2); |
4272 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4)); |
4273 |
rn = "SRSConf4";
|
4274 |
break;
|
4275 |
default:
|
4276 |
goto die;
|
4277 |
} |
4278 |
break;
|
4279 |
case 7: |
4280 |
switch (sel) {
|
4281 |
case 0: |
4282 |
check_insn(env, ctx, ISA_MIPS32R2); |
4283 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna)); |
4284 |
rn = "HWREna";
|
4285 |
break;
|
4286 |
default:
|
4287 |
goto die;
|
4288 |
} |
4289 |
break;
|
4290 |
case 8: |
4291 |
switch (sel) {
|
4292 |
case 0: |
4293 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr)); |
4294 |
rn = "BadVAddr";
|
4295 |
break;
|
4296 |
default:
|
4297 |
goto die;
|
4298 |
} |
4299 |
break;
|
4300 |
case 9: |
4301 |
switch (sel) {
|
4302 |
case 0: |
4303 |
/* Mark as an IO operation because we read the time. */
|
4304 |
if (use_icount)
|
4305 |
gen_io_start(); |
4306 |
gen_helper_mfc0_count(arg); |
4307 |
if (use_icount) {
|
4308 |
gen_io_end(); |
4309 |
ctx->bstate = BS_STOP; |
4310 |
} |
4311 |
rn = "Count";
|
4312 |
break;
|
4313 |
/* 6,7 are implementation dependent */
|
4314 |
default:
|
4315 |
goto die;
|
4316 |
} |
4317 |
break;
|
4318 |
case 10: |
4319 |
switch (sel) {
|
4320 |
case 0: |
4321 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi)); |
4322 |
rn = "EntryHi";
|
4323 |
break;
|
4324 |
default:
|
4325 |
goto die;
|
4326 |
} |
4327 |
break;
|
4328 |
case 11: |
4329 |
switch (sel) {
|
4330 |
case 0: |
4331 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare)); |
4332 |
rn = "Compare";
|
4333 |
break;
|
4334 |
/* 6,7 are implementation dependent */
|
4335 |
default:
|
4336 |
goto die;
|
4337 |
} |
4338 |
break;
|
4339 |
case 12: |
4340 |
switch (sel) {
|
4341 |
case 0: |
4342 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status)); |
4343 |
rn = "Status";
|
4344 |
break;
|
4345 |
case 1: |
4346 |
check_insn(env, ctx, ISA_MIPS32R2); |
4347 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl)); |
4348 |
rn = "IntCtl";
|
4349 |
break;
|
4350 |
case 2: |
4351 |
check_insn(env, ctx, ISA_MIPS32R2); |
4352 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl)); |
4353 |
rn = "SRSCtl";
|
4354 |
break;
|
4355 |
case 3: |
4356 |
check_insn(env, ctx, ISA_MIPS32R2); |
4357 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap)); |
4358 |
rn = "SRSMap";
|
4359 |
break;
|
4360 |
default:
|
4361 |
goto die;
|
4362 |
} |
4363 |
break;
|
4364 |
case 13: |
4365 |
switch (sel) {
|
4366 |
case 0: |
4367 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause)); |
4368 |
rn = "Cause";
|
4369 |
break;
|
4370 |
default:
|
4371 |
goto die;
|
4372 |
} |
4373 |
break;
|
4374 |
case 14: |
4375 |
switch (sel) {
|
4376 |
case 0: |
4377 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
4378 |
rn = "EPC";
|
4379 |
break;
|
4380 |
default:
|
4381 |
goto die;
|
4382 |
} |
4383 |
break;
|
4384 |
case 15: |
4385 |
switch (sel) {
|
4386 |
case 0: |
4387 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid)); |
4388 |
rn = "PRid";
|
4389 |
break;
|
4390 |
case 1: |
4391 |
check_insn(env, ctx, ISA_MIPS32R2); |
4392 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase)); |
4393 |
rn = "EBase";
|
4394 |
break;
|
4395 |
default:
|
4396 |
goto die;
|
4397 |
} |
4398 |
break;
|
4399 |
case 16: |
4400 |
switch (sel) {
|
4401 |
case 0: |
4402 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0)); |
4403 |
rn = "Config";
|
4404 |
break;
|
4405 |
case 1: |
4406 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1)); |
4407 |
rn = "Config1";
|
4408 |
break;
|
4409 |
case 2: |
4410 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2)); |
4411 |
rn = "Config2";
|
4412 |
break;
|
4413 |
case 3: |
4414 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3)); |
4415 |
rn = "Config3";
|
4416 |
break;
|
4417 |
/* 6,7 are implementation dependent */
|
4418 |
case 6: |
4419 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6)); |
4420 |
rn = "Config6";
|
4421 |
break;
|
4422 |
case 7: |
4423 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7)); |
4424 |
rn = "Config7";
|
4425 |
break;
|
4426 |
default:
|
4427 |
goto die;
|
4428 |
} |
4429 |
break;
|
4430 |
case 17: |
4431 |
switch (sel) {
|
4432 |
case 0: |
4433 |
gen_helper_dmfc0_lladdr(arg); |
4434 |
rn = "LLAddr";
|
4435 |
break;
|
4436 |
default:
|
4437 |
goto die;
|
4438 |
} |
4439 |
break;
|
4440 |
case 18: |
4441 |
switch (sel) {
|
4442 |
case 0 ... 7: |
4443 |
gen_helper_1i(dmfc0_watchlo, arg, sel); |
4444 |
rn = "WatchLo";
|
4445 |
break;
|
4446 |
default:
|
4447 |
goto die;
|
4448 |
} |
4449 |
break;
|
4450 |
case 19: |
4451 |
switch (sel) {
|
4452 |
case 0 ... 7: |
4453 |
gen_helper_1i(mfc0_watchhi, arg, sel); |
4454 |
rn = "WatchHi";
|
4455 |
break;
|
4456 |
default:
|
4457 |
goto die;
|
4458 |
} |
4459 |
break;
|
4460 |
case 20: |
4461 |
switch (sel) {
|
4462 |
case 0: |
4463 |
check_insn(env, ctx, ISA_MIPS3); |
4464 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext)); |
4465 |
rn = "XContext";
|
4466 |
break;
|
4467 |
default:
|
4468 |
goto die;
|
4469 |
} |
4470 |
break;
|
4471 |
case 21: |
4472 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4473 |
switch (sel) {
|
4474 |
case 0: |
4475 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask)); |
4476 |
rn = "Framemask";
|
4477 |
break;
|
4478 |
default:
|
4479 |
goto die;
|
4480 |
} |
4481 |
break;
|
4482 |
case 22: |
4483 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
4484 |
rn = "'Diagnostic"; /* implementation dependent */ |
4485 |
break;
|
4486 |
case 23: |
4487 |
switch (sel) {
|
4488 |
case 0: |
4489 |
gen_helper_mfc0_debug(arg); /* EJTAG support */
|
4490 |
rn = "Debug";
|
4491 |
break;
|
4492 |
case 1: |
4493 |
// gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */
|
4494 |
rn = "TraceControl";
|
4495 |
// break;
|
4496 |
case 2: |
4497 |
// gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */
|
4498 |
rn = "TraceControl2";
|
4499 |
// break;
|
4500 |
case 3: |
4501 |
// gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */
|
4502 |
rn = "UserTraceData";
|
4503 |
// break;
|
4504 |
case 4: |
4505 |
// gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */
|
4506 |
rn = "TraceBPC";
|
4507 |
// break;
|
4508 |
default:
|
4509 |
goto die;
|
4510 |
} |
4511 |
break;
|
4512 |
case 24: |
4513 |
switch (sel) {
|
4514 |
case 0: |
4515 |
/* EJTAG support */
|
4516 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
4517 |
rn = "DEPC";
|
4518 |
break;
|
4519 |
default:
|
4520 |
goto die;
|
4521 |
} |
4522 |
break;
|
4523 |
case 25: |
4524 |
switch (sel) {
|
4525 |
case 0: |
4526 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0)); |
4527 |
rn = "Performance0";
|
4528 |
break;
|
4529 |
case 1: |
4530 |
// gen_helper_dmfc0_performance1(arg);
|
4531 |
rn = "Performance1";
|
4532 |
// break;
|
4533 |
case 2: |
4534 |
// gen_helper_dmfc0_performance2(arg);
|
4535 |
rn = "Performance2";
|
4536 |
// break;
|
4537 |
case 3: |
4538 |
// gen_helper_dmfc0_performance3(arg);
|
4539 |
rn = "Performance3";
|
4540 |
// break;
|
4541 |
case 4: |
4542 |
// gen_helper_dmfc0_performance4(arg);
|
4543 |
rn = "Performance4";
|
4544 |
// break;
|
4545 |
case 5: |
4546 |
// gen_helper_dmfc0_performance5(arg);
|
4547 |
rn = "Performance5";
|
4548 |
// break;
|
4549 |
case 6: |
4550 |
// gen_helper_dmfc0_performance6(arg);
|
4551 |
rn = "Performance6";
|
4552 |
// break;
|
4553 |
case 7: |
4554 |
// gen_helper_dmfc0_performance7(arg);
|
4555 |
rn = "Performance7";
|
4556 |
// break;
|
4557 |
default:
|
4558 |
goto die;
|
4559 |
} |
4560 |
break;
|
4561 |
case 26: |
4562 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
4563 |
rn = "ECC";
|
4564 |
break;
|
4565 |
case 27: |
4566 |
switch (sel) {
|
4567 |
/* ignored */
|
4568 |
case 0 ... 3: |
4569 |
tcg_gen_movi_tl(arg, 0); /* unimplemented */ |
4570 |
rn = "CacheErr";
|
4571 |
break;
|
4572 |
default:
|
4573 |
goto die;
|
4574 |
} |
4575 |
break;
|
4576 |
case 28: |
4577 |
switch (sel) {
|
4578 |
case 0: |
4579 |
case 2: |
4580 |
case 4: |
4581 |
case 6: |
4582 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo)); |
4583 |
rn = "TagLo";
|
4584 |
break;
|
4585 |
case 1: |
4586 |
case 3: |
4587 |
case 5: |
4588 |
case 7: |
4589 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo)); |
4590 |
rn = "DataLo";
|
4591 |
break;
|
4592 |
default:
|
4593 |
goto die;
|
4594 |
} |
4595 |
break;
|
4596 |
case 29: |
4597 |
switch (sel) {
|
4598 |
case 0: |
4599 |
case 2: |
4600 |
case 4: |
4601 |
case 6: |
4602 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi)); |
4603 |
rn = "TagHi";
|
4604 |
break;
|
4605 |
case 1: |
4606 |
case 3: |
4607 |
case 5: |
4608 |
case 7: |
4609 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi)); |
4610 |
rn = "DataHi";
|
4611 |
break;
|
4612 |
default:
|
4613 |
goto die;
|
4614 |
} |
4615 |
break;
|
4616 |
case 30: |
4617 |
switch (sel) {
|
4618 |
case 0: |
4619 |
tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
4620 |
rn = "ErrorEPC";
|
4621 |
break;
|
4622 |
default:
|
4623 |
goto die;
|
4624 |
} |
4625 |
break;
|
4626 |
case 31: |
4627 |
switch (sel) {
|
4628 |
case 0: |
4629 |
/* EJTAG support */
|
4630 |
gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE)); |
4631 |
rn = "DESAVE";
|
4632 |
break;
|
4633 |
default:
|
4634 |
goto die;
|
4635 |
} |
4636 |
break;
|
4637 |
default:
|
4638 |
goto die;
|
4639 |
} |
4640 |
LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4641 |
return;
|
4642 |
|
4643 |
die:
|
4644 |
LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
4645 |
generate_exception(ctx, EXCP_RI); |
4646 |
} |
4647 |
|
4648 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel) |
4649 |
{ |
4650 |
const char *rn = "invalid"; |
4651 |
|
4652 |
if (sel != 0) |
4653 |
check_insn(env, ctx, ISA_MIPS64); |
4654 |
|
4655 |
if (use_icount)
|
4656 |
gen_io_start(); |
4657 |
|
4658 |
switch (reg) {
|
4659 |
case 0: |
4660 |
switch (sel) {
|
4661 |
case 0: |
4662 |
gen_helper_mtc0_index(arg); |
4663 |
rn = "Index";
|
4664 |
break;
|
4665 |
case 1: |
4666 |
check_insn(env, ctx, ASE_MT); |
4667 |
gen_helper_mtc0_mvpcontrol(arg); |
4668 |
rn = "MVPControl";
|
4669 |
break;
|
4670 |
case 2: |
4671 |
check_insn(env, ctx, ASE_MT); |
4672 |
/* ignored */
|
4673 |
rn = "MVPConf0";
|
4674 |
break;
|
4675 |
case 3: |
4676 |
check_insn(env, ctx, ASE_MT); |
4677 |
/* ignored */
|
4678 |
rn = "MVPConf1";
|
4679 |
break;
|
4680 |
default:
|
4681 |
goto die;
|
4682 |
} |
4683 |
break;
|
4684 |
case 1: |
4685 |
switch (sel) {
|
4686 |
case 0: |
4687 |
/* ignored */
|
4688 |
rn = "Random";
|
4689 |
break;
|
4690 |
case 1: |
4691 |
check_insn(env, ctx, ASE_MT); |
4692 |
gen_helper_mtc0_vpecontrol(arg); |
4693 |
rn = "VPEControl";
|
4694 |
break;
|
4695 |
case 2: |
4696 |
check_insn(env, ctx, ASE_MT); |
4697 |
gen_helper_mtc0_vpeconf0(arg); |
4698 |
rn = "VPEConf0";
|
4699 |
break;
|
4700 |
case 3: |
4701 |
check_insn(env, ctx, ASE_MT); |
4702 |
gen_helper_mtc0_vpeconf1(arg); |
4703 |
rn = "VPEConf1";
|
4704 |
break;
|
4705 |
case 4: |
4706 |
check_insn(env, ctx, ASE_MT); |
4707 |
gen_helper_mtc0_yqmask(arg); |
4708 |
rn = "YQMask";
|
4709 |
break;
|
4710 |
case 5: |
4711 |
check_insn(env, ctx, ASE_MT); |
4712 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
4713 |
rn = "VPESchedule";
|
4714 |
break;
|
4715 |
case 6: |
4716 |
check_insn(env, ctx, ASE_MT); |
4717 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
4718 |
rn = "VPEScheFBack";
|
4719 |
break;
|
4720 |
case 7: |
4721 |
check_insn(env, ctx, ASE_MT); |
4722 |
gen_helper_mtc0_vpeopt(arg); |
4723 |
rn = "VPEOpt";
|
4724 |
break;
|
4725 |
default:
|
4726 |
goto die;
|
4727 |
} |
4728 |
break;
|
4729 |
case 2: |
4730 |
switch (sel) {
|
4731 |
case 0: |
4732 |
gen_helper_mtc0_entrylo0(arg); |
4733 |
rn = "EntryLo0";
|
4734 |
break;
|
4735 |
case 1: |
4736 |
check_insn(env, ctx, ASE_MT); |
4737 |
gen_helper_mtc0_tcstatus(arg); |
4738 |
rn = "TCStatus";
|
4739 |
break;
|
4740 |
case 2: |
4741 |
check_insn(env, ctx, ASE_MT); |
4742 |
gen_helper_mtc0_tcbind(arg); |
4743 |
rn = "TCBind";
|
4744 |
break;
|
4745 |
case 3: |
4746 |
check_insn(env, ctx, ASE_MT); |
4747 |
gen_helper_mtc0_tcrestart(arg); |
4748 |
rn = "TCRestart";
|
4749 |
break;
|
4750 |
case 4: |
4751 |
check_insn(env, ctx, ASE_MT); |
4752 |
gen_helper_mtc0_tchalt(arg); |
4753 |
rn = "TCHalt";
|
4754 |
break;
|
4755 |
case 5: |
4756 |
check_insn(env, ctx, ASE_MT); |
4757 |
gen_helper_mtc0_tccontext(arg); |
4758 |
rn = "TCContext";
|
4759 |
break;
|
4760 |
case 6: |
4761 |
check_insn(env, ctx, ASE_MT); |
4762 |
gen_helper_mtc0_tcschedule(arg); |
4763 |
rn = "TCSchedule";
|
4764 |
break;
|
4765 |
case 7: |
4766 |
check_insn(env, ctx, ASE_MT); |
4767 |
gen_helper_mtc0_tcschefback(arg); |
4768 |
rn = "TCScheFBack";
|
4769 |
break;
|
4770 |
default:
|
4771 |
goto die;
|
4772 |
} |
4773 |
break;
|
4774 |
case 3: |
4775 |
switch (sel) {
|
4776 |
case 0: |
4777 |
gen_helper_mtc0_entrylo1(arg); |
4778 |
rn = "EntryLo1";
|
4779 |
break;
|
4780 |
default:
|
4781 |
goto die;
|
4782 |
} |
4783 |
break;
|
4784 |
case 4: |
4785 |
switch (sel) {
|
4786 |
case 0: |
4787 |
gen_helper_mtc0_context(arg); |
4788 |
rn = "Context";
|
4789 |
break;
|
4790 |
case 1: |
4791 |
// gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
|
4792 |
rn = "ContextConfig";
|
4793 |
// break;
|
4794 |
default:
|
4795 |
goto die;
|
4796 |
} |
4797 |
break;
|
4798 |
case 5: |
4799 |
switch (sel) {
|
4800 |
case 0: |
4801 |
gen_helper_mtc0_pagemask(arg); |
4802 |
rn = "PageMask";
|
4803 |
break;
|
4804 |
case 1: |
4805 |
check_insn(env, ctx, ISA_MIPS32R2); |
4806 |
gen_helper_mtc0_pagegrain(arg); |
4807 |
rn = "PageGrain";
|
4808 |
break;
|
4809 |
default:
|
4810 |
goto die;
|
4811 |
} |
4812 |
break;
|
4813 |
case 6: |
4814 |
switch (sel) {
|
4815 |
case 0: |
4816 |
gen_helper_mtc0_wired(arg); |
4817 |
rn = "Wired";
|
4818 |
break;
|
4819 |
case 1: |
4820 |
check_insn(env, ctx, ISA_MIPS32R2); |
4821 |
gen_helper_mtc0_srsconf0(arg); |
4822 |
rn = "SRSConf0";
|
4823 |
break;
|
4824 |
case 2: |
4825 |
check_insn(env, ctx, ISA_MIPS32R2); |
4826 |
gen_helper_mtc0_srsconf1(arg); |
4827 |
rn = "SRSConf1";
|
4828 |
break;
|
4829 |
case 3: |
4830 |
check_insn(env, ctx, ISA_MIPS32R2); |
4831 |
gen_helper_mtc0_srsconf2(arg); |
4832 |
rn = "SRSConf2";
|
4833 |
break;
|
4834 |
case 4: |
4835 |
check_insn(env, ctx, ISA_MIPS32R2); |
4836 |
gen_helper_mtc0_srsconf3(arg); |
4837 |
rn = "SRSConf3";
|
4838 |
break;
|
4839 |
case 5: |
4840 |
check_insn(env, ctx, ISA_MIPS32R2); |
4841 |
gen_helper_mtc0_srsconf4(arg); |
4842 |
rn = "SRSConf4";
|
4843 |
break;
|
4844 |
default:
|
4845 |
goto die;
|
4846 |
} |
4847 |
break;
|
4848 |
case 7: |
4849 |
switch (sel) {
|
4850 |
case 0: |
4851 |
check_insn(env, ctx, ISA_MIPS32R2); |
4852 |
gen_helper_mtc0_hwrena(arg); |
4853 |
rn = "HWREna";
|
4854 |
break;
|
4855 |
default:
|
4856 |
goto die;
|
4857 |
} |
4858 |
break;
|
4859 |
case 8: |
4860 |
/* ignored */
|
4861 |
rn = "BadVAddr";
|
4862 |
break;
|
4863 |
case 9: |
4864 |
switch (sel) {
|
4865 |
case 0: |
4866 |
gen_helper_mtc0_count(arg); |
4867 |
rn = "Count";
|
4868 |
break;
|
4869 |
/* 6,7 are implementation dependent */
|
4870 |
default:
|
4871 |
goto die;
|
4872 |
} |
4873 |
/* Stop translation as we may have switched the execution mode */
|
4874 |
ctx->bstate = BS_STOP; |
4875 |
break;
|
4876 |
case 10: |
4877 |
switch (sel) {
|
4878 |
case 0: |
4879 |
gen_helper_mtc0_entryhi(arg); |
4880 |
rn = "EntryHi";
|
4881 |
break;
|
4882 |
default:
|
4883 |
goto die;
|
4884 |
} |
4885 |
break;
|
4886 |
case 11: |
4887 |
switch (sel) {
|
4888 |
case 0: |
4889 |
gen_helper_mtc0_compare(arg); |
4890 |
rn = "Compare";
|
4891 |
break;
|
4892 |
/* 6,7 are implementation dependent */
|
4893 |
default:
|
4894 |
goto die;
|
4895 |
} |
4896 |
/* Stop translation as we may have switched the execution mode */
|
4897 |
ctx->bstate = BS_STOP; |
4898 |
break;
|
4899 |
case 12: |
4900 |
switch (sel) {
|
4901 |
case 0: |
4902 |
save_cpu_state(ctx, 1);
|
4903 |
gen_helper_mtc0_status(arg); |
4904 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4905 |
gen_save_pc(ctx->pc + 4);
|
4906 |
ctx->bstate = BS_EXCP; |
4907 |
rn = "Status";
|
4908 |
break;
|
4909 |
case 1: |
4910 |
check_insn(env, ctx, ISA_MIPS32R2); |
4911 |
gen_helper_mtc0_intctl(arg); |
4912 |
/* Stop translation as we may have switched the execution mode */
|
4913 |
ctx->bstate = BS_STOP; |
4914 |
rn = "IntCtl";
|
4915 |
break;
|
4916 |
case 2: |
4917 |
check_insn(env, ctx, ISA_MIPS32R2); |
4918 |
gen_helper_mtc0_srsctl(arg); |
4919 |
/* Stop translation as we may have switched the execution mode */
|
4920 |
ctx->bstate = BS_STOP; |
4921 |
rn = "SRSCtl";
|
4922 |
break;
|
4923 |
case 3: |
4924 |
check_insn(env, ctx, ISA_MIPS32R2); |
4925 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap)); |
4926 |
/* Stop translation as we may have switched the execution mode */
|
4927 |
ctx->bstate = BS_STOP; |
4928 |
rn = "SRSMap";
|
4929 |
break;
|
4930 |
default:
|
4931 |
goto die;
|
4932 |
} |
4933 |
break;
|
4934 |
case 13: |
4935 |
switch (sel) {
|
4936 |
case 0: |
4937 |
save_cpu_state(ctx, 1);
|
4938 |
gen_helper_mtc0_cause(arg); |
4939 |
rn = "Cause";
|
4940 |
break;
|
4941 |
default:
|
4942 |
goto die;
|
4943 |
} |
4944 |
break;
|
4945 |
case 14: |
4946 |
switch (sel) {
|
4947 |
case 0: |
4948 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC)); |
4949 |
rn = "EPC";
|
4950 |
break;
|
4951 |
default:
|
4952 |
goto die;
|
4953 |
} |
4954 |
break;
|
4955 |
case 15: |
4956 |
switch (sel) {
|
4957 |
case 0: |
4958 |
/* ignored */
|
4959 |
rn = "PRid";
|
4960 |
break;
|
4961 |
case 1: |
4962 |
check_insn(env, ctx, ISA_MIPS32R2); |
4963 |
gen_helper_mtc0_ebase(arg); |
4964 |
rn = "EBase";
|
4965 |
break;
|
4966 |
default:
|
4967 |
goto die;
|
4968 |
} |
4969 |
break;
|
4970 |
case 16: |
4971 |
switch (sel) {
|
4972 |
case 0: |
4973 |
gen_helper_mtc0_config0(arg); |
4974 |
rn = "Config";
|
4975 |
/* Stop translation as we may have switched the execution mode */
|
4976 |
ctx->bstate = BS_STOP; |
4977 |
break;
|
4978 |
case 1: |
4979 |
/* ignored, read only */
|
4980 |
rn = "Config1";
|
4981 |
break;
|
4982 |
case 2: |
4983 |
gen_helper_mtc0_config2(arg); |
4984 |
rn = "Config2";
|
4985 |
/* Stop translation as we may have switched the execution mode */
|
4986 |
ctx->bstate = BS_STOP; |
4987 |
break;
|
4988 |
case 3: |
4989 |
/* ignored */
|
4990 |
rn = "Config3";
|
4991 |
break;
|
4992 |
/* 6,7 are implementation dependent */
|
4993 |
default:
|
4994 |
rn = "Invalid config selector";
|
4995 |
goto die;
|
4996 |
} |
4997 |
break;
|
4998 |
case 17: |
4999 |
switch (sel) {
|
5000 |
case 0: |
5001 |
/* ignored */
|
5002 |
rn = "LLAddr";
|
5003 |
break;
|
5004 |
default:
|
5005 |
goto die;
|
5006 |
} |
5007 |
break;
|
5008 |
case 18: |
5009 |
switch (sel) {
|
5010 |
case 0 ... 7: |
5011 |
gen_helper_1i(mtc0_watchlo, arg, sel); |
5012 |
rn = "WatchLo";
|
5013 |
break;
|
5014 |
default:
|
5015 |
goto die;
|
5016 |
} |
5017 |
break;
|
5018 |
case 19: |
5019 |
switch (sel) {
|
5020 |
case 0 ... 7: |
5021 |
gen_helper_1i(mtc0_watchhi, arg, sel); |
5022 |
rn = "WatchHi";
|
5023 |
break;
|
5024 |
default:
|
5025 |
goto die;
|
5026 |
} |
5027 |
break;
|
5028 |
case 20: |
5029 |
switch (sel) {
|
5030 |
case 0: |
5031 |
check_insn(env, ctx, ISA_MIPS3); |
5032 |
gen_helper_mtc0_xcontext(arg); |
5033 |
rn = "XContext";
|
5034 |
break;
|
5035 |
default:
|
5036 |
goto die;
|
5037 |
} |
5038 |
break;
|
5039 |
case 21: |
5040 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
5041 |
switch (sel) {
|
5042 |
case 0: |
5043 |
gen_helper_mtc0_framemask(arg); |
5044 |
rn = "Framemask";
|
5045 |
break;
|
5046 |
default:
|
5047 |
goto die;
|
5048 |
} |
5049 |
break;
|
5050 |
case 22: |
5051 |
/* ignored */
|
5052 |
rn = "Diagnostic"; /* implementation dependent */ |
5053 |
break;
|
5054 |
case 23: |
5055 |
switch (sel) {
|
5056 |
case 0: |
5057 |
gen_helper_mtc0_debug(arg); /* EJTAG support */
|
5058 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
5059 |
gen_save_pc(ctx->pc + 4);
|
5060 |
ctx->bstate = BS_EXCP; |
5061 |
rn = "Debug";
|
5062 |
break;
|
5063 |
case 1: |
5064 |
// gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
|
5065 |
/* Stop translation as we may have switched the execution mode */
|
5066 |
ctx->bstate = BS_STOP; |
5067 |
rn = "TraceControl";
|
5068 |
// break;
|
5069 |
case 2: |
5070 |
// gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
|
5071 |
/* Stop translation as we may have switched the execution mode */
|
5072 |
ctx->bstate = BS_STOP; |
5073 |
rn = "TraceControl2";
|
5074 |
// break;
|
5075 |
case 3: |
5076 |
// gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
|
5077 |
/* Stop translation as we may have switched the execution mode */
|
5078 |
ctx->bstate = BS_STOP; |
5079 |
rn = "UserTraceData";
|
5080 |
// break;
|
5081 |
case 4: |
5082 |
// gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
|
5083 |
/* Stop translation as we may have switched the execution mode */
|
5084 |
ctx->bstate = BS_STOP; |
5085 |
rn = "TraceBPC";
|
5086 |
// break;
|
5087 |
default:
|
5088 |
goto die;
|
5089 |
} |
5090 |
break;
|
5091 |
case 24: |
5092 |
switch (sel) {
|
5093 |
case 0: |
5094 |
/* EJTAG support */
|
5095 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC)); |
5096 |
rn = "DEPC";
|
5097 |
break;
|
5098 |
default:
|
5099 |
goto die;
|
5100 |
} |
5101 |
break;
|
5102 |
case 25: |
5103 |
switch (sel) {
|
5104 |
case 0: |
5105 |
gen_helper_mtc0_performance0(arg); |
5106 |
rn = "Performance0";
|
5107 |
break;
|
5108 |
case 1: |
5109 |
// gen_helper_mtc0_performance1(arg);
|
5110 |
rn = "Performance1";
|
5111 |
// break;
|
5112 |
case 2: |
5113 |
// gen_helper_mtc0_performance2(arg);
|
5114 |
rn = "Performance2";
|
5115 |
// break;
|
5116 |
case 3: |
5117 |
// gen_helper_mtc0_performance3(arg);
|
5118 |
rn = "Performance3";
|
5119 |
// break;
|
5120 |
case 4: |
5121 |
// gen_helper_mtc0_performance4(arg);
|
5122 |
rn = "Performance4";
|
5123 |
// break;
|
5124 |
case 5: |
5125 |
// gen_helper_mtc0_performance5(arg);
|
5126 |
rn = "Performance5";
|
5127 |
// break;
|
5128 |
case 6: |
5129 |
// gen_helper_mtc0_performance6(arg);
|
5130 |
rn = "Performance6";
|
5131 |
// break;
|
5132 |
case 7: |
5133 |
// gen_helper_mtc0_performance7(arg);
|
5134 |
rn = "Performance7";
|
5135 |
// break;
|
5136 |
default:
|
5137 |
goto die;
|
5138 |
} |
5139 |
break;
|
5140 |
case 26: |
5141 |
/* ignored */
|
5142 |
rn = "ECC";
|
5143 |
break;
|
5144 |
case 27: |
5145 |
switch (sel) {
|
5146 |
case 0 ... 3: |
5147 |
/* ignored */
|
5148 |
rn = "CacheErr";
|
5149 |
break;
|
5150 |
default:
|
5151 |
goto die;
|
5152 |
} |
5153 |
break;
|
5154 |
case 28: |
5155 |
switch (sel) {
|
5156 |
case 0: |
5157 |
case 2: |
5158 |
case 4: |
5159 |
case 6: |
5160 |
gen_helper_mtc0_taglo(arg); |
5161 |
rn = "TagLo";
|
5162 |
break;
|
5163 |
case 1: |
5164 |
case 3: |
5165 |
case 5: |
5166 |
case 7: |
5167 |
gen_helper_mtc0_datalo(arg); |
5168 |
rn = "DataLo";
|
5169 |
break;
|
5170 |
default:
|
5171 |
goto die;
|
5172 |
} |
5173 |
break;
|
5174 |
case 29: |
5175 |
switch (sel) {
|
5176 |
case 0: |
5177 |
case 2: |
5178 |
case 4: |
5179 |
case 6: |
5180 |
gen_helper_mtc0_taghi(arg); |
5181 |
rn = "TagHi";
|
5182 |
break;
|
5183 |
case 1: |
5184 |
case 3: |
5185 |
case 5: |
5186 |
case 7: |
5187 |
gen_helper_mtc0_datahi(arg); |
5188 |
rn = "DataHi";
|
5189 |
break;
|
5190 |
default:
|
5191 |
rn = "invalid sel";
|
5192 |
goto die;
|
5193 |
} |
5194 |
break;
|
5195 |
case 30: |
5196 |
switch (sel) {
|
5197 |
case 0: |
5198 |
tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC)); |
5199 |
rn = "ErrorEPC";
|
5200 |
break;
|
5201 |
default:
|
5202 |
goto die;
|
5203 |
} |
5204 |
break;
|
5205 |
case 31: |
5206 |
switch (sel) {
|
5207 |
case 0: |
5208 |
/* EJTAG support */
|
5209 |
gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE)); |
5210 |
rn = "DESAVE";
|
5211 |
break;
|
5212 |
default:
|
5213 |
goto die;
|
5214 |
} |
5215 |
/* Stop translation as we may have switched the execution mode */
|
5216 |
ctx->bstate = BS_STOP; |
5217 |
break;
|
5218 |
default:
|
5219 |
goto die;
|
5220 |
} |
5221 |
LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
5222 |
/* For simplicity assume that all writes can cause interrupts. */
|
5223 |
if (use_icount) {
|
5224 |
gen_io_end(); |
5225 |
ctx->bstate = BS_STOP; |
5226 |
} |
5227 |
return;
|
5228 |
|
5229 |
die:
|
5230 |
LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
|
5231 |
generate_exception(ctx, EXCP_RI); |
5232 |
} |
5233 |
#endif /* TARGET_MIPS64 */ |
5234 |
|
5235 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd, |
5236 |
int u, int sel, int h) |
5237 |
{ |
5238 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
5239 |
TCGv t0 = tcg_temp_local_new(); |
5240 |
|
5241 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
5242 |
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
|
5243 |
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
|
5244 |
tcg_gen_movi_tl(t0, -1);
|
5245 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
5246 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
5247 |
tcg_gen_movi_tl(t0, -1);
|
5248 |
else if (u == 0) { |
5249 |
switch (rt) {
|
5250 |
case 2: |
5251 |
switch (sel) {
|
5252 |
case 1: |
5253 |
gen_helper_mftc0_tcstatus(t0); |
5254 |
break;
|
5255 |
case 2: |
5256 |
gen_helper_mftc0_tcbind(t0); |
5257 |
break;
|
5258 |
case 3: |
5259 |
gen_helper_mftc0_tcrestart(t0); |
5260 |
break;
|
5261 |
case 4: |
5262 |
gen_helper_mftc0_tchalt(t0); |
5263 |
break;
|
5264 |
case 5: |
5265 |
gen_helper_mftc0_tccontext(t0); |
5266 |
break;
|
5267 |
case 6: |
5268 |
gen_helper_mftc0_tcschedule(t0); |
5269 |
break;
|
5270 |
case 7: |
5271 |
gen_helper_mftc0_tcschefback(t0); |
5272 |
break;
|
5273 |
default:
|
5274 |
gen_mfc0(env, ctx, t0, rt, sel); |
5275 |
break;
|
5276 |
} |
5277 |
break;
|
5278 |
case 10: |
5279 |
switch (sel) {
|
5280 |
case 0: |
5281 |
gen_helper_mftc0_entryhi(t0); |
5282 |
break;
|
5283 |
default:
|
5284 |
gen_mfc0(env, ctx, t0, rt, sel); |
5285 |
break;
|
5286 |
} |
5287 |
case 12: |
5288 |
switch (sel) {
|
5289 |
case 0: |
5290 |
gen_helper_mftc0_status(t0); |
5291 |
break;
|
5292 |
default:
|
5293 |
gen_mfc0(env, ctx, t0, rt, sel); |
5294 |
break;
|
5295 |
} |
5296 |
case 23: |
5297 |
switch (sel) {
|
5298 |
case 0: |
5299 |
gen_helper_mftc0_debug(t0); |
5300 |
break;
|
5301 |
default:
|
5302 |
gen_mfc0(env, ctx, t0, rt, sel); |
5303 |
break;
|
5304 |
} |
5305 |
break;
|
5306 |
default:
|
5307 |
gen_mfc0(env, ctx, t0, rt, sel); |
5308 |
} |
5309 |
} else switch (sel) { |
5310 |
/* GPR registers. */
|
5311 |
case 0: |
5312 |
gen_helper_1i(mftgpr, t0, rt); |
5313 |
break;
|
5314 |
/* Auxiliary CPU registers */
|
5315 |
case 1: |
5316 |
switch (rt) {
|
5317 |
case 0: |
5318 |
gen_helper_1i(mftlo, t0, 0);
|
5319 |
break;
|
5320 |
case 1: |
5321 |
gen_helper_1i(mfthi, t0, 0);
|
5322 |
break;
|
5323 |
case 2: |
5324 |
gen_helper_1i(mftacx, t0, 0);
|
5325 |
break;
|
5326 |
case 4: |
5327 |
gen_helper_1i(mftlo, t0, 1);
|
5328 |
break;
|
5329 |
case 5: |
5330 |
gen_helper_1i(mfthi, t0, 1);
|
5331 |
break;
|
5332 |
case 6: |
5333 |
gen_helper_1i(mftacx, t0, 1);
|
5334 |
break;
|
5335 |
case 8: |
5336 |
gen_helper_1i(mftlo, t0, 2);
|
5337 |
break;
|
5338 |
case 9: |
5339 |
gen_helper_1i(mfthi, t0, 2);
|
5340 |
break;
|
5341 |
case 10: |
5342 |
gen_helper_1i(mftacx, t0, 2);
|
5343 |
break;
|
5344 |
case 12: |
5345 |
gen_helper_1i(mftlo, t0, 3);
|
5346 |
break;
|
5347 |
case 13: |
5348 |
gen_helper_1i(mfthi, t0, 3);
|
5349 |
break;
|
5350 |
case 14: |
5351 |
gen_helper_1i(mftacx, t0, 3);
|
5352 |
break;
|
5353 |
case 16: |
5354 |
gen_helper_mftdsp(t0); |
5355 |
break;
|
5356 |
default:
|
5357 |
goto die;
|
5358 |
} |
5359 |
break;
|
5360 |
/* Floating point (COP1). */
|
5361 |
case 2: |
5362 |
/* XXX: For now we support only a single FPU context. */
|
5363 |
if (h == 0) { |
5364 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5365 |
|
5366 |
gen_load_fpr32(fp0, rt); |
5367 |
tcg_gen_ext_i32_tl(t0, fp0); |
5368 |
tcg_temp_free_i32(fp0); |
5369 |
} else {
|
5370 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5371 |
|
5372 |
gen_load_fpr32h(fp0, rt); |
5373 |
tcg_gen_ext_i32_tl(t0, fp0); |
5374 |
tcg_temp_free_i32(fp0); |
5375 |
} |
5376 |
break;
|
5377 |
case 3: |
5378 |
/* XXX: For now we support only a single FPU context. */
|
5379 |
gen_helper_1i(cfc1, t0, rt); |
5380 |
break;
|
5381 |
/* COP2: Not implemented. */
|
5382 |
case 4: |
5383 |
case 5: |
5384 |
/* fall through */
|
5385 |
default:
|
5386 |
goto die;
|
5387 |
} |
5388 |
LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
|
5389 |
gen_store_gpr(t0, rd); |
5390 |
tcg_temp_free(t0); |
5391 |
return;
|
5392 |
|
5393 |
die:
|
5394 |
tcg_temp_free(t0); |
5395 |
LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
|
5396 |
generate_exception(ctx, EXCP_RI); |
5397 |
} |
5398 |
|
5399 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt, |
5400 |
int u, int sel, int h) |
5401 |
{ |
5402 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
5403 |
TCGv t0 = tcg_temp_local_new(); |
5404 |
|
5405 |
gen_load_gpr(t0, rt); |
5406 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
5407 |
((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
|
5408 |
(env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
|
5409 |
/* NOP */ ;
|
5410 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
5411 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
5412 |
/* NOP */ ;
|
5413 |
else if (u == 0) { |
5414 |
switch (rd) {
|
5415 |
case 2: |
5416 |
switch (sel) {
|
5417 |
case 1: |
5418 |
gen_helper_mttc0_tcstatus(t0); |
5419 |
break;
|
5420 |
case 2: |
5421 |
gen_helper_mttc0_tcbind(t0); |
5422 |
break;
|
5423 |
case 3: |
5424 |
gen_helper_mttc0_tcrestart(t0); |
5425 |
break;
|
5426 |
case 4: |
5427 |
gen_helper_mttc0_tchalt(t0); |
5428 |
break;
|
5429 |
case 5: |
5430 |
gen_helper_mttc0_tccontext(t0); |
5431 |
break;
|
5432 |
case 6: |
5433 |
gen_helper_mttc0_tcschedule(t0); |
5434 |
break;
|
5435 |
case 7: |
5436 |
gen_helper_mttc0_tcschefback(t0); |
5437 |
break;
|
5438 |
default:
|
5439 |
gen_mtc0(env, ctx, t0, rd, sel); |
5440 |
break;
|
5441 |
} |
5442 |
break;
|
5443 |
case 10: |
5444 |
switch (sel) {
|
5445 |
case 0: |
5446 |
gen_helper_mttc0_entryhi(t0); |
5447 |
break;
|
5448 |
default:
|
5449 |
gen_mtc0(env, ctx, t0, rd, sel); |
5450 |
break;
|
5451 |
} |
5452 |
case 12: |
5453 |
switch (sel) {
|
5454 |
case 0: |
5455 |
gen_helper_mttc0_status(t0); |
5456 |
break;
|
5457 |
default:
|
5458 |
gen_mtc0(env, ctx, t0, rd, sel); |
5459 |
break;
|
5460 |
} |
5461 |
case 23: |
5462 |
switch (sel) {
|
5463 |
case 0: |
5464 |
gen_helper_mttc0_debug(t0); |
5465 |
break;
|
5466 |
default:
|
5467 |
gen_mtc0(env, ctx, t0, rd, sel); |
5468 |
break;
|
5469 |
} |
5470 |
break;
|
5471 |
default:
|
5472 |
gen_mtc0(env, ctx, t0, rd, sel); |
5473 |
} |
5474 |
} else switch (sel) { |
5475 |
/* GPR registers. */
|
5476 |
case 0: |
5477 |
gen_helper_1i(mttgpr, t0, rd); |
5478 |
break;
|
5479 |
/* Auxiliary CPU registers */
|
5480 |
case 1: |
5481 |
switch (rd) {
|
5482 |
case 0: |
5483 |
gen_helper_1i(mttlo, t0, 0);
|
5484 |
break;
|
5485 |
case 1: |
5486 |
gen_helper_1i(mtthi, t0, 0);
|
5487 |
break;
|
5488 |
case 2: |
5489 |
gen_helper_1i(mttacx, t0, 0);
|
5490 |
break;
|
5491 |
case 4: |
5492 |
gen_helper_1i(mttlo, t0, 1);
|
5493 |
break;
|
5494 |
case 5: |
5495 |
gen_helper_1i(mtthi, t0, 1);
|
5496 |
break;
|
5497 |
case 6: |
5498 |
gen_helper_1i(mttacx, t0, 1);
|
5499 |
break;
|
5500 |
case 8: |
5501 |
gen_helper_1i(mttlo, t0, 2);
|
5502 |
break;
|
5503 |
case 9: |
5504 |
gen_helper_1i(mtthi, t0, 2);
|
5505 |
break;
|
5506 |
case 10: |
5507 |
gen_helper_1i(mttacx, t0, 2);
|
5508 |
break;
|
5509 |
case 12: |
5510 |
gen_helper_1i(mttlo, t0, 3);
|
5511 |
break;
|
5512 |
case 13: |
5513 |
gen_helper_1i(mtthi, t0, 3);
|
5514 |
break;
|
5515 |
case 14: |
5516 |
gen_helper_1i(mttacx, t0, 3);
|
5517 |
break;
|
5518 |
case 16: |
5519 |
gen_helper_mttdsp(t0); |
5520 |
break;
|
5521 |
default:
|
5522 |
goto die;
|
5523 |
} |
5524 |
break;
|
5525 |
/* Floating point (COP1). */
|
5526 |
case 2: |
5527 |
/* XXX: For now we support only a single FPU context. */
|
5528 |
if (h == 0) { |
5529 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5530 |
|
5531 |
tcg_gen_trunc_tl_i32(fp0, t0); |
5532 |
gen_store_fpr32(fp0, rd); |
5533 |
tcg_temp_free_i32(fp0); |
5534 |
} else {
|
5535 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5536 |
|
5537 |
tcg_gen_trunc_tl_i32(fp0, t0); |
5538 |
gen_store_fpr32h(fp0, rd); |
5539 |
tcg_temp_free_i32(fp0); |
5540 |
} |
5541 |
break;
|
5542 |
case 3: |
5543 |
/* XXX: For now we support only a single FPU context. */
|
5544 |
gen_helper_1i(ctc1, t0, rd); |
5545 |
break;
|
5546 |
/* COP2: Not implemented. */
|
5547 |
case 4: |
5548 |
case 5: |
5549 |
/* fall through */
|
5550 |
default:
|
5551 |
goto die;
|
5552 |
} |
5553 |
LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
|
5554 |
tcg_temp_free(t0); |
5555 |
return;
|
5556 |
|
5557 |
die:
|
5558 |
tcg_temp_free(t0); |
5559 |
LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
|
5560 |
generate_exception(ctx, EXCP_RI); |
5561 |
} |
5562 |
|
5563 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
5564 |
{ |
5565 |
const char *opn = "ldst"; |
5566 |
|
5567 |
switch (opc) {
|
5568 |
case OPC_MFC0:
|
5569 |
if (rt == 0) { |
5570 |
/* Treat as NOP. */
|
5571 |
return;
|
5572 |
} |
5573 |
gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
|
5574 |
opn = "mfc0";
|
5575 |
break;
|
5576 |
case OPC_MTC0:
|
5577 |
{ |
5578 |
TCGv t0 = tcg_temp_new(); |
5579 |
|
5580 |
gen_load_gpr(t0, rt); |
5581 |
gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
|
5582 |
tcg_temp_free(t0); |
5583 |
} |
5584 |
opn = "mtc0";
|
5585 |
break;
|
5586 |
#if defined(TARGET_MIPS64)
|
5587 |
case OPC_DMFC0:
|
5588 |
check_insn(env, ctx, ISA_MIPS3); |
5589 |
if (rt == 0) { |
5590 |
/* Treat as NOP. */
|
5591 |
return;
|
5592 |
} |
5593 |
gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
|
5594 |
opn = "dmfc0";
|
5595 |
break;
|
5596 |
case OPC_DMTC0:
|
5597 |
check_insn(env, ctx, ISA_MIPS3); |
5598 |
{ |
5599 |
TCGv t0 = tcg_temp_new(); |
5600 |
|
5601 |
gen_load_gpr(t0, rt); |
5602 |
gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
|
5603 |
tcg_temp_free(t0); |
5604 |
} |
5605 |
opn = "dmtc0";
|
5606 |
break;
|
5607 |
#endif
|
5608 |
case OPC_MFTR:
|
5609 |
check_insn(env, ctx, ASE_MT); |
5610 |
if (rd == 0) { |
5611 |
/* Treat as NOP. */
|
5612 |
return;
|
5613 |
} |
5614 |
gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1, |
5615 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5616 |
opn = "mftr";
|
5617 |
break;
|
5618 |
case OPC_MTTR:
|
5619 |
check_insn(env, ctx, ASE_MT); |
5620 |
gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, |
5621 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5622 |
opn = "mttr";
|
5623 |
break;
|
5624 |
case OPC_TLBWI:
|
5625 |
opn = "tlbwi";
|
5626 |
if (!env->tlb->helper_tlbwi)
|
5627 |
goto die;
|
5628 |
gen_helper_tlbwi(); |
5629 |
break;
|
5630 |
case OPC_TLBWR:
|
5631 |
opn = "tlbwr";
|
5632 |
if (!env->tlb->helper_tlbwr)
|
5633 |
goto die;
|
5634 |
gen_helper_tlbwr(); |
5635 |
break;
|
5636 |
case OPC_TLBP:
|
5637 |
opn = "tlbp";
|
5638 |
if (!env->tlb->helper_tlbp)
|
5639 |
goto die;
|
5640 |
gen_helper_tlbp(); |
5641 |
break;
|
5642 |
case OPC_TLBR:
|
5643 |
opn = "tlbr";
|
5644 |
if (!env->tlb->helper_tlbr)
|
5645 |
goto die;
|
5646 |
gen_helper_tlbr(); |
5647 |
break;
|
5648 |
case OPC_ERET:
|
5649 |
opn = "eret";
|
5650 |
check_insn(env, ctx, ISA_MIPS2); |
5651 |
gen_helper_eret(); |
5652 |
ctx->bstate = BS_EXCP; |
5653 |
break;
|
5654 |
case OPC_DERET:
|
5655 |
opn = "deret";
|
5656 |
check_insn(env, ctx, ISA_MIPS32); |
5657 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
5658 |
MIPS_INVAL(opn); |
5659 |
generate_exception(ctx, EXCP_RI); |
5660 |
} else {
|
5661 |
gen_helper_deret(); |
5662 |
ctx->bstate = BS_EXCP; |
5663 |
} |
5664 |
break;
|
5665 |
case OPC_WAIT:
|
5666 |
opn = "wait";
|
5667 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
5668 |
/* If we get an exception, we want to restart at next instruction */
|
5669 |
ctx->pc += 4;
|
5670 |
save_cpu_state(ctx, 1);
|
5671 |
ctx->pc -= 4;
|
5672 |
gen_helper_wait(); |
5673 |
ctx->bstate = BS_EXCP; |
5674 |
break;
|
5675 |
default:
|
5676 |
die:
|
5677 |
MIPS_INVAL(opn); |
5678 |
generate_exception(ctx, EXCP_RI); |
5679 |
return;
|
5680 |
} |
5681 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
5682 |
} |
5683 |
#endif /* !CONFIG_USER_ONLY */ |
5684 |
|
5685 |
/* CP1 Branches (before delay slot) */
|
5686 |
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
5687 |
int32_t cc, int32_t offset) |
5688 |
{ |
5689 |
target_ulong btarget; |
5690 |
const char *opn = "cp1 cond branch"; |
5691 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
5692 |
|
5693 |
if (cc != 0) |
5694 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
5695 |
|
5696 |
btarget = ctx->pc + 4 + offset;
|
5697 |
|
5698 |
switch (op) {
|
5699 |
case OPC_BC1F:
|
5700 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5701 |
tcg_gen_not_i32(t0, t0); |
5702 |
tcg_gen_andi_i32(t0, t0, 1);
|
5703 |
tcg_gen_extu_i32_tl(bcond, t0); |
5704 |
opn = "bc1f";
|
5705 |
goto not_likely;
|
5706 |
case OPC_BC1FL:
|
5707 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5708 |
tcg_gen_not_i32(t0, t0); |
5709 |
tcg_gen_andi_i32(t0, t0, 1);
|
5710 |
tcg_gen_extu_i32_tl(bcond, t0); |
5711 |
opn = "bc1fl";
|
5712 |
goto likely;
|
5713 |
case OPC_BC1T:
|
5714 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5715 |
tcg_gen_andi_i32(t0, t0, 1);
|
5716 |
tcg_gen_extu_i32_tl(bcond, t0); |
5717 |
opn = "bc1t";
|
5718 |
goto not_likely;
|
5719 |
case OPC_BC1TL:
|
5720 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5721 |
tcg_gen_andi_i32(t0, t0, 1);
|
5722 |
tcg_gen_extu_i32_tl(bcond, t0); |
5723 |
opn = "bc1tl";
|
5724 |
likely:
|
5725 |
ctx->hflags |= MIPS_HFLAG_BL; |
5726 |
break;
|
5727 |
case OPC_BC1FANY2:
|
5728 |
{ |
5729 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
5730 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5731 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
5732 |
tcg_gen_or_i32(t0, t0, t1); |
5733 |
tcg_temp_free_i32(t1); |
5734 |
tcg_gen_not_i32(t0, t0); |
5735 |
tcg_gen_andi_i32(t0, t0, 1);
|
5736 |
tcg_gen_extu_i32_tl(bcond, t0); |
5737 |
} |
5738 |
opn = "bc1any2f";
|
5739 |
goto not_likely;
|
5740 |
case OPC_BC1TANY2:
|
5741 |
{ |
5742 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
5743 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5744 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
5745 |
tcg_gen_or_i32(t0, t0, t1); |
5746 |
tcg_temp_free_i32(t1); |
5747 |
tcg_gen_andi_i32(t0, t0, 1);
|
5748 |
tcg_gen_extu_i32_tl(bcond, t0); |
5749 |
} |
5750 |
opn = "bc1any2t";
|
5751 |
goto not_likely;
|
5752 |
case OPC_BC1FANY4:
|
5753 |
{ |
5754 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
5755 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5756 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
5757 |
tcg_gen_or_i32(t0, t0, t1); |
5758 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
|
5759 |
tcg_gen_or_i32(t0, t0, t1); |
5760 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
|
5761 |
tcg_gen_or_i32(t0, t0, t1); |
5762 |
tcg_temp_free_i32(t1); |
5763 |
tcg_gen_not_i32(t0, t0); |
5764 |
tcg_gen_andi_i32(t0, t0, 1);
|
5765 |
tcg_gen_extu_i32_tl(bcond, t0); |
5766 |
} |
5767 |
opn = "bc1any4f";
|
5768 |
goto not_likely;
|
5769 |
case OPC_BC1TANY4:
|
5770 |
{ |
5771 |
TCGv_i32 t1 = tcg_temp_new_i32(); |
5772 |
tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); |
5773 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
|
5774 |
tcg_gen_or_i32(t0, t0, t1); |
5775 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
|
5776 |
tcg_gen_or_i32(t0, t0, t1); |
5777 |
tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
|
5778 |
tcg_gen_or_i32(t0, t0, t1); |
5779 |
tcg_temp_free_i32(t1); |
5780 |
tcg_gen_andi_i32(t0, t0, 1);
|
5781 |
tcg_gen_extu_i32_tl(bcond, t0); |
5782 |
} |
5783 |
opn = "bc1any4t";
|
5784 |
not_likely:
|
5785 |
ctx->hflags |= MIPS_HFLAG_BC; |
5786 |
break;
|
5787 |
default:
|
5788 |
MIPS_INVAL(opn); |
5789 |
generate_exception (ctx, EXCP_RI); |
5790 |
goto out;
|
5791 |
} |
5792 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
5793 |
ctx->hflags, btarget); |
5794 |
ctx->btarget = btarget; |
5795 |
|
5796 |
out:
|
5797 |
tcg_temp_free_i32(t0); |
5798 |
} |
5799 |
|
5800 |
/* Coprocessor 1 (FPU) */
|
5801 |
|
5802 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
5803 |
|
5804 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
5805 |
{ |
5806 |
const char *opn = "cp1 move"; |
5807 |
TCGv t0 = tcg_temp_new(); |
5808 |
|
5809 |
switch (opc) {
|
5810 |
case OPC_MFC1:
|
5811 |
{ |
5812 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5813 |
|
5814 |
gen_load_fpr32(fp0, fs); |
5815 |
tcg_gen_ext_i32_tl(t0, fp0); |
5816 |
tcg_temp_free_i32(fp0); |
5817 |
} |
5818 |
gen_store_gpr(t0, rt); |
5819 |
opn = "mfc1";
|
5820 |
break;
|
5821 |
case OPC_MTC1:
|
5822 |
gen_load_gpr(t0, rt); |
5823 |
{ |
5824 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5825 |
|
5826 |
tcg_gen_trunc_tl_i32(fp0, t0); |
5827 |
gen_store_fpr32(fp0, fs); |
5828 |
tcg_temp_free_i32(fp0); |
5829 |
} |
5830 |
opn = "mtc1";
|
5831 |
break;
|
5832 |
case OPC_CFC1:
|
5833 |
gen_helper_1i(cfc1, t0, fs); |
5834 |
gen_store_gpr(t0, rt); |
5835 |
opn = "cfc1";
|
5836 |
break;
|
5837 |
case OPC_CTC1:
|
5838 |
gen_load_gpr(t0, rt); |
5839 |
gen_helper_1i(ctc1, t0, fs); |
5840 |
opn = "ctc1";
|
5841 |
break;
|
5842 |
#if defined(TARGET_MIPS64)
|
5843 |
case OPC_DMFC1:
|
5844 |
gen_load_fpr64(ctx, t0, fs); |
5845 |
gen_store_gpr(t0, rt); |
5846 |
opn = "dmfc1";
|
5847 |
break;
|
5848 |
case OPC_DMTC1:
|
5849 |
gen_load_gpr(t0, rt); |
5850 |
gen_store_fpr64(ctx, t0, fs); |
5851 |
opn = "dmtc1";
|
5852 |
break;
|
5853 |
#endif
|
5854 |
case OPC_MFHC1:
|
5855 |
{ |
5856 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5857 |
|
5858 |
gen_load_fpr32h(fp0, fs); |
5859 |
tcg_gen_ext_i32_tl(t0, fp0); |
5860 |
tcg_temp_free_i32(fp0); |
5861 |
} |
5862 |
gen_store_gpr(t0, rt); |
5863 |
opn = "mfhc1";
|
5864 |
break;
|
5865 |
case OPC_MTHC1:
|
5866 |
gen_load_gpr(t0, rt); |
5867 |
{ |
5868 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
5869 |
|
5870 |
tcg_gen_trunc_tl_i32(fp0, t0); |
5871 |
gen_store_fpr32h(fp0, fs); |
5872 |
tcg_temp_free_i32(fp0); |
5873 |
} |
5874 |
opn = "mthc1";
|
5875 |
break;
|
5876 |
default:
|
5877 |
MIPS_INVAL(opn); |
5878 |
generate_exception (ctx, EXCP_RI); |
5879 |
goto out;
|
5880 |
} |
5881 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
5882 |
|
5883 |
out:
|
5884 |
tcg_temp_free(t0); |
5885 |
} |
5886 |
|
5887 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
5888 |
{ |
5889 |
int l1;
|
5890 |
TCGCond cond; |
5891 |
TCGv_i32 t0; |
5892 |
|
5893 |
if (rd == 0) { |
5894 |
/* Treat as NOP. */
|
5895 |
return;
|
5896 |
} |
5897 |
|
5898 |
if (tf)
|
5899 |
cond = TCG_COND_EQ; |
5900 |
else
|
5901 |
cond = TCG_COND_NE; |
5902 |
|
5903 |
l1 = gen_new_label(); |
5904 |
t0 = tcg_temp_new_i32(); |
5905 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
5906 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
5907 |
tcg_temp_free_i32(t0); |
5908 |
if (rs == 0) { |
5909 |
tcg_gen_movi_tl(cpu_gpr[rd], 0);
|
5910 |
} else {
|
5911 |
tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); |
5912 |
} |
5913 |
gen_set_label(l1); |
5914 |
} |
5915 |
|
5916 |
static inline void gen_movcf_s (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 |
|
5922 |
if (tf)
|
5923 |
cond = TCG_COND_EQ; |
5924 |
else
|
5925 |
cond = TCG_COND_NE; |
5926 |
|
5927 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
5928 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
5929 |
gen_load_fpr32(t0, fs); |
5930 |
gen_store_fpr32(t0, fd); |
5931 |
gen_set_label(l1); |
5932 |
tcg_temp_free_i32(t0); |
5933 |
} |
5934 |
|
5935 |
static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf) |
5936 |
{ |
5937 |
int cond;
|
5938 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
5939 |
TCGv_i64 fp0; |
5940 |
int l1 = gen_new_label();
|
5941 |
|
5942 |
if (tf)
|
5943 |
cond = TCG_COND_EQ; |
5944 |
else
|
5945 |
cond = TCG_COND_NE; |
5946 |
|
5947 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
5948 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
5949 |
tcg_temp_free_i32(t0); |
5950 |
fp0 = tcg_temp_new_i64(); |
5951 |
gen_load_fpr64(ctx, fp0, fs); |
5952 |
gen_store_fpr64(ctx, fp0, fd); |
5953 |
tcg_temp_free_i64(fp0); |
5954 |
gen_set_label(l1); |
5955 |
} |
5956 |
|
5957 |
static inline void gen_movcf_ps (int fs, int fd, int cc, int tf) |
5958 |
{ |
5959 |
int cond;
|
5960 |
TCGv_i32 t0 = tcg_temp_new_i32(); |
5961 |
int l1 = gen_new_label();
|
5962 |
int l2 = gen_new_label();
|
5963 |
|
5964 |
if (tf)
|
5965 |
cond = TCG_COND_EQ; |
5966 |
else
|
5967 |
cond = TCG_COND_NE; |
5968 |
|
5969 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
|
5970 |
tcg_gen_brcondi_i32(cond, t0, 0, l1);
|
5971 |
gen_load_fpr32(t0, fs); |
5972 |
gen_store_fpr32(t0, fd); |
5973 |
gen_set_label(l1); |
5974 |
|
5975 |
tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1)); |
5976 |
tcg_gen_brcondi_i32(cond, t0, 0, l2);
|
5977 |
gen_load_fpr32h(t0, fs); |
5978 |
gen_store_fpr32h(t0, fd); |
5979 |
tcg_temp_free_i32(t0); |
5980 |
gen_set_label(l2); |
5981 |
} |
5982 |
|
5983 |
|
5984 |
static void gen_farith (DisasContext *ctx, uint32_t op1, |
5985 |
int ft, int fs, int fd, int cc) |
5986 |
{ |
5987 |
const char *opn = "farith"; |
5988 |
const char *condnames[] = { |
5989 |
"c.f",
|
5990 |
"c.un",
|
5991 |
"c.eq",
|
5992 |
"c.ueq",
|
5993 |
"c.olt",
|
5994 |
"c.ult",
|
5995 |
"c.ole",
|
5996 |
"c.ule",
|
5997 |
"c.sf",
|
5998 |
"c.ngle",
|
5999 |
"c.seq",
|
6000 |
"c.ngl",
|
6001 |
"c.lt",
|
6002 |
"c.nge",
|
6003 |
"c.le",
|
6004 |
"c.ngt",
|
6005 |
}; |
6006 |
const char *condnames_abs[] = { |
6007 |
"cabs.f",
|
6008 |
"cabs.un",
|
6009 |
"cabs.eq",
|
6010 |
"cabs.ueq",
|
6011 |
"cabs.olt",
|
6012 |
"cabs.ult",
|
6013 |
"cabs.ole",
|
6014 |
"cabs.ule",
|
6015 |
"cabs.sf",
|
6016 |
"cabs.ngle",
|
6017 |
"cabs.seq",
|
6018 |
"cabs.ngl",
|
6019 |
"cabs.lt",
|
6020 |
"cabs.nge",
|
6021 |
"cabs.le",
|
6022 |
"cabs.ngt",
|
6023 |
}; |
6024 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
6025 |
uint32_t func = ctx->opcode & 0x3f;
|
6026 |
|
6027 |
switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
6028 |
case FOP(0, 16): |
6029 |
{ |
6030 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6031 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6032 |
|
6033 |
gen_load_fpr32(fp0, fs); |
6034 |
gen_load_fpr32(fp1, ft); |
6035 |
gen_helper_float_add_s(fp0, fp0, fp1); |
6036 |
tcg_temp_free_i32(fp1); |
6037 |
gen_store_fpr32(fp0, fd); |
6038 |
tcg_temp_free_i32(fp0); |
6039 |
} |
6040 |
opn = "add.s";
|
6041 |
optype = BINOP; |
6042 |
break;
|
6043 |
case FOP(1, 16): |
6044 |
{ |
6045 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6046 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6047 |
|
6048 |
gen_load_fpr32(fp0, fs); |
6049 |
gen_load_fpr32(fp1, ft); |
6050 |
gen_helper_float_sub_s(fp0, fp0, fp1); |
6051 |
tcg_temp_free_i32(fp1); |
6052 |
gen_store_fpr32(fp0, fd); |
6053 |
tcg_temp_free_i32(fp0); |
6054 |
} |
6055 |
opn = "sub.s";
|
6056 |
optype = BINOP; |
6057 |
break;
|
6058 |
case FOP(2, 16): |
6059 |
{ |
6060 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6061 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6062 |
|
6063 |
gen_load_fpr32(fp0, fs); |
6064 |
gen_load_fpr32(fp1, ft); |
6065 |
gen_helper_float_mul_s(fp0, fp0, fp1); |
6066 |
tcg_temp_free_i32(fp1); |
6067 |
gen_store_fpr32(fp0, fd); |
6068 |
tcg_temp_free_i32(fp0); |
6069 |
} |
6070 |
opn = "mul.s";
|
6071 |
optype = BINOP; |
6072 |
break;
|
6073 |
case FOP(3, 16): |
6074 |
{ |
6075 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6076 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6077 |
|
6078 |
gen_load_fpr32(fp0, fs); |
6079 |
gen_load_fpr32(fp1, ft); |
6080 |
gen_helper_float_div_s(fp0, fp0, fp1); |
6081 |
tcg_temp_free_i32(fp1); |
6082 |
gen_store_fpr32(fp0, fd); |
6083 |
tcg_temp_free_i32(fp0); |
6084 |
} |
6085 |
opn = "div.s";
|
6086 |
optype = BINOP; |
6087 |
break;
|
6088 |
case FOP(4, 16): |
6089 |
{ |
6090 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6091 |
|
6092 |
gen_load_fpr32(fp0, fs); |
6093 |
gen_helper_float_sqrt_s(fp0, fp0); |
6094 |
gen_store_fpr32(fp0, fd); |
6095 |
tcg_temp_free_i32(fp0); |
6096 |
} |
6097 |
opn = "sqrt.s";
|
6098 |
break;
|
6099 |
case FOP(5, 16): |
6100 |
{ |
6101 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6102 |
|
6103 |
gen_load_fpr32(fp0, fs); |
6104 |
gen_helper_float_abs_s(fp0, fp0); |
6105 |
gen_store_fpr32(fp0, fd); |
6106 |
tcg_temp_free_i32(fp0); |
6107 |
} |
6108 |
opn = "abs.s";
|
6109 |
break;
|
6110 |
case FOP(6, 16): |
6111 |
{ |
6112 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6113 |
|
6114 |
gen_load_fpr32(fp0, fs); |
6115 |
gen_store_fpr32(fp0, fd); |
6116 |
tcg_temp_free_i32(fp0); |
6117 |
} |
6118 |
opn = "mov.s";
|
6119 |
break;
|
6120 |
case FOP(7, 16): |
6121 |
{ |
6122 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6123 |
|
6124 |
gen_load_fpr32(fp0, fs); |
6125 |
gen_helper_float_chs_s(fp0, fp0); |
6126 |
gen_store_fpr32(fp0, fd); |
6127 |
tcg_temp_free_i32(fp0); |
6128 |
} |
6129 |
opn = "neg.s";
|
6130 |
break;
|
6131 |
case FOP(8, 16): |
6132 |
check_cp1_64bitmode(ctx); |
6133 |
{ |
6134 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6135 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6136 |
|
6137 |
gen_load_fpr32(fp32, fs); |
6138 |
gen_helper_float_roundl_s(fp64, fp32); |
6139 |
tcg_temp_free_i32(fp32); |
6140 |
gen_store_fpr64(ctx, fp64, fd); |
6141 |
tcg_temp_free_i64(fp64); |
6142 |
} |
6143 |
opn = "round.l.s";
|
6144 |
break;
|
6145 |
case FOP(9, 16): |
6146 |
check_cp1_64bitmode(ctx); |
6147 |
{ |
6148 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6149 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6150 |
|
6151 |
gen_load_fpr32(fp32, fs); |
6152 |
gen_helper_float_truncl_s(fp64, fp32); |
6153 |
tcg_temp_free_i32(fp32); |
6154 |
gen_store_fpr64(ctx, fp64, fd); |
6155 |
tcg_temp_free_i64(fp64); |
6156 |
} |
6157 |
opn = "trunc.l.s";
|
6158 |
break;
|
6159 |
case FOP(10, 16): |
6160 |
check_cp1_64bitmode(ctx); |
6161 |
{ |
6162 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6163 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6164 |
|
6165 |
gen_load_fpr32(fp32, fs); |
6166 |
gen_helper_float_ceill_s(fp64, fp32); |
6167 |
tcg_temp_free_i32(fp32); |
6168 |
gen_store_fpr64(ctx, fp64, fd); |
6169 |
tcg_temp_free_i64(fp64); |
6170 |
} |
6171 |
opn = "ceil.l.s";
|
6172 |
break;
|
6173 |
case FOP(11, 16): |
6174 |
check_cp1_64bitmode(ctx); |
6175 |
{ |
6176 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6177 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6178 |
|
6179 |
gen_load_fpr32(fp32, fs); |
6180 |
gen_helper_float_floorl_s(fp64, fp32); |
6181 |
tcg_temp_free_i32(fp32); |
6182 |
gen_store_fpr64(ctx, fp64, fd); |
6183 |
tcg_temp_free_i64(fp64); |
6184 |
} |
6185 |
opn = "floor.l.s";
|
6186 |
break;
|
6187 |
case FOP(12, 16): |
6188 |
{ |
6189 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6190 |
|
6191 |
gen_load_fpr32(fp0, fs); |
6192 |
gen_helper_float_roundw_s(fp0, fp0); |
6193 |
gen_store_fpr32(fp0, fd); |
6194 |
tcg_temp_free_i32(fp0); |
6195 |
} |
6196 |
opn = "round.w.s";
|
6197 |
break;
|
6198 |
case FOP(13, 16): |
6199 |
{ |
6200 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6201 |
|
6202 |
gen_load_fpr32(fp0, fs); |
6203 |
gen_helper_float_truncw_s(fp0, fp0); |
6204 |
gen_store_fpr32(fp0, fd); |
6205 |
tcg_temp_free_i32(fp0); |
6206 |
} |
6207 |
opn = "trunc.w.s";
|
6208 |
break;
|
6209 |
case FOP(14, 16): |
6210 |
{ |
6211 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6212 |
|
6213 |
gen_load_fpr32(fp0, fs); |
6214 |
gen_helper_float_ceilw_s(fp0, fp0); |
6215 |
gen_store_fpr32(fp0, fd); |
6216 |
tcg_temp_free_i32(fp0); |
6217 |
} |
6218 |
opn = "ceil.w.s";
|
6219 |
break;
|
6220 |
case FOP(15, 16): |
6221 |
{ |
6222 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6223 |
|
6224 |
gen_load_fpr32(fp0, fs); |
6225 |
gen_helper_float_floorw_s(fp0, fp0); |
6226 |
gen_store_fpr32(fp0, fd); |
6227 |
tcg_temp_free_i32(fp0); |
6228 |
} |
6229 |
opn = "floor.w.s";
|
6230 |
break;
|
6231 |
case FOP(17, 16): |
6232 |
gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
6233 |
opn = "movcf.s";
|
6234 |
break;
|
6235 |
case FOP(18, 16): |
6236 |
{ |
6237 |
int l1 = gen_new_label();
|
6238 |
TCGv_i32 fp0; |
6239 |
|
6240 |
if (ft != 0) { |
6241 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
6242 |
} |
6243 |
fp0 = tcg_temp_new_i32(); |
6244 |
gen_load_fpr32(fp0, fs); |
6245 |
gen_store_fpr32(fp0, fd); |
6246 |
tcg_temp_free_i32(fp0); |
6247 |
gen_set_label(l1); |
6248 |
} |
6249 |
opn = "movz.s";
|
6250 |
break;
|
6251 |
case FOP(19, 16): |
6252 |
{ |
6253 |
int l1 = gen_new_label();
|
6254 |
TCGv_i32 fp0; |
6255 |
|
6256 |
if (ft != 0) { |
6257 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
6258 |
fp0 = tcg_temp_new_i32(); |
6259 |
gen_load_fpr32(fp0, fs); |
6260 |
gen_store_fpr32(fp0, fd); |
6261 |
tcg_temp_free_i32(fp0); |
6262 |
gen_set_label(l1); |
6263 |
} |
6264 |
} |
6265 |
opn = "movn.s";
|
6266 |
break;
|
6267 |
case FOP(21, 16): |
6268 |
check_cop1x(ctx); |
6269 |
{ |
6270 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6271 |
|
6272 |
gen_load_fpr32(fp0, fs); |
6273 |
gen_helper_float_recip_s(fp0, fp0); |
6274 |
gen_store_fpr32(fp0, fd); |
6275 |
tcg_temp_free_i32(fp0); |
6276 |
} |
6277 |
opn = "recip.s";
|
6278 |
break;
|
6279 |
case FOP(22, 16): |
6280 |
check_cop1x(ctx); |
6281 |
{ |
6282 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6283 |
|
6284 |
gen_load_fpr32(fp0, fs); |
6285 |
gen_helper_float_rsqrt_s(fp0, fp0); |
6286 |
gen_store_fpr32(fp0, fd); |
6287 |
tcg_temp_free_i32(fp0); |
6288 |
} |
6289 |
opn = "rsqrt.s";
|
6290 |
break;
|
6291 |
case FOP(28, 16): |
6292 |
check_cp1_64bitmode(ctx); |
6293 |
{ |
6294 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6295 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6296 |
|
6297 |
gen_load_fpr32(fp0, fs); |
6298 |
gen_load_fpr32(fp1, fd); |
6299 |
gen_helper_float_recip2_s(fp0, fp0, fp1); |
6300 |
tcg_temp_free_i32(fp1); |
6301 |
gen_store_fpr32(fp0, fd); |
6302 |
tcg_temp_free_i32(fp0); |
6303 |
} |
6304 |
opn = "recip2.s";
|
6305 |
break;
|
6306 |
case FOP(29, 16): |
6307 |
check_cp1_64bitmode(ctx); |
6308 |
{ |
6309 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6310 |
|
6311 |
gen_load_fpr32(fp0, fs); |
6312 |
gen_helper_float_recip1_s(fp0, fp0); |
6313 |
gen_store_fpr32(fp0, fd); |
6314 |
tcg_temp_free_i32(fp0); |
6315 |
} |
6316 |
opn = "recip1.s";
|
6317 |
break;
|
6318 |
case FOP(30, 16): |
6319 |
check_cp1_64bitmode(ctx); |
6320 |
{ |
6321 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6322 |
|
6323 |
gen_load_fpr32(fp0, fs); |
6324 |
gen_helper_float_rsqrt1_s(fp0, fp0); |
6325 |
gen_store_fpr32(fp0, fd); |
6326 |
tcg_temp_free_i32(fp0); |
6327 |
} |
6328 |
opn = "rsqrt1.s";
|
6329 |
break;
|
6330 |
case FOP(31, 16): |
6331 |
check_cp1_64bitmode(ctx); |
6332 |
{ |
6333 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6334 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6335 |
|
6336 |
gen_load_fpr32(fp0, fs); |
6337 |
gen_load_fpr32(fp1, ft); |
6338 |
gen_helper_float_rsqrt2_s(fp0, fp0, fp1); |
6339 |
tcg_temp_free_i32(fp1); |
6340 |
gen_store_fpr32(fp0, fd); |
6341 |
tcg_temp_free_i32(fp0); |
6342 |
} |
6343 |
opn = "rsqrt2.s";
|
6344 |
break;
|
6345 |
case FOP(33, 16): |
6346 |
check_cp1_registers(ctx, fd); |
6347 |
{ |
6348 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6349 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6350 |
|
6351 |
gen_load_fpr32(fp32, fs); |
6352 |
gen_helper_float_cvtd_s(fp64, fp32); |
6353 |
tcg_temp_free_i32(fp32); |
6354 |
gen_store_fpr64(ctx, fp64, fd); |
6355 |
tcg_temp_free_i64(fp64); |
6356 |
} |
6357 |
opn = "cvt.d.s";
|
6358 |
break;
|
6359 |
case FOP(36, 16): |
6360 |
{ |
6361 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6362 |
|
6363 |
gen_load_fpr32(fp0, fs); |
6364 |
gen_helper_float_cvtw_s(fp0, fp0); |
6365 |
gen_store_fpr32(fp0, fd); |
6366 |
tcg_temp_free_i32(fp0); |
6367 |
} |
6368 |
opn = "cvt.w.s";
|
6369 |
break;
|
6370 |
case FOP(37, 16): |
6371 |
check_cp1_64bitmode(ctx); |
6372 |
{ |
6373 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6374 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6375 |
|
6376 |
gen_load_fpr32(fp32, fs); |
6377 |
gen_helper_float_cvtl_s(fp64, fp32); |
6378 |
tcg_temp_free_i32(fp32); |
6379 |
gen_store_fpr64(ctx, fp64, fd); |
6380 |
tcg_temp_free_i64(fp64); |
6381 |
} |
6382 |
opn = "cvt.l.s";
|
6383 |
break;
|
6384 |
case FOP(38, 16): |
6385 |
check_cp1_64bitmode(ctx); |
6386 |
{ |
6387 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6388 |
TCGv_i32 fp32_0 = tcg_temp_new_i32(); |
6389 |
TCGv_i32 fp32_1 = tcg_temp_new_i32(); |
6390 |
|
6391 |
gen_load_fpr32(fp32_0, fs); |
6392 |
gen_load_fpr32(fp32_1, ft); |
6393 |
tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1); |
6394 |
tcg_temp_free_i32(fp32_1); |
6395 |
tcg_temp_free_i32(fp32_0); |
6396 |
gen_store_fpr64(ctx, fp64, fd); |
6397 |
tcg_temp_free_i64(fp64); |
6398 |
} |
6399 |
opn = "cvt.ps.s";
|
6400 |
break;
|
6401 |
case FOP(48, 16): |
6402 |
case FOP(49, 16): |
6403 |
case FOP(50, 16): |
6404 |
case FOP(51, 16): |
6405 |
case FOP(52, 16): |
6406 |
case FOP(53, 16): |
6407 |
case FOP(54, 16): |
6408 |
case FOP(55, 16): |
6409 |
case FOP(56, 16): |
6410 |
case FOP(57, 16): |
6411 |
case FOP(58, 16): |
6412 |
case FOP(59, 16): |
6413 |
case FOP(60, 16): |
6414 |
case FOP(61, 16): |
6415 |
case FOP(62, 16): |
6416 |
case FOP(63, 16): |
6417 |
{ |
6418 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6419 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
6420 |
|
6421 |
gen_load_fpr32(fp0, fs); |
6422 |
gen_load_fpr32(fp1, ft); |
6423 |
if (ctx->opcode & (1 << 6)) { |
6424 |
check_cop1x(ctx); |
6425 |
gen_cmpabs_s(func-48, fp0, fp1, cc);
|
6426 |
opn = condnames_abs[func-48];
|
6427 |
} else {
|
6428 |
gen_cmp_s(func-48, fp0, fp1, cc);
|
6429 |
opn = condnames[func-48];
|
6430 |
} |
6431 |
tcg_temp_free_i32(fp0); |
6432 |
tcg_temp_free_i32(fp1); |
6433 |
} |
6434 |
break;
|
6435 |
case FOP(0, 17): |
6436 |
check_cp1_registers(ctx, fs | ft | fd); |
6437 |
{ |
6438 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6439 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6440 |
|
6441 |
gen_load_fpr64(ctx, fp0, fs); |
6442 |
gen_load_fpr64(ctx, fp1, ft); |
6443 |
gen_helper_float_add_d(fp0, fp0, fp1); |
6444 |
tcg_temp_free_i64(fp1); |
6445 |
gen_store_fpr64(ctx, fp0, fd); |
6446 |
tcg_temp_free_i64(fp0); |
6447 |
} |
6448 |
opn = "add.d";
|
6449 |
optype = BINOP; |
6450 |
break;
|
6451 |
case FOP(1, 17): |
6452 |
check_cp1_registers(ctx, fs | ft | fd); |
6453 |
{ |
6454 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6455 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6456 |
|
6457 |
gen_load_fpr64(ctx, fp0, fs); |
6458 |
gen_load_fpr64(ctx, fp1, ft); |
6459 |
gen_helper_float_sub_d(fp0, fp0, fp1); |
6460 |
tcg_temp_free_i64(fp1); |
6461 |
gen_store_fpr64(ctx, fp0, fd); |
6462 |
tcg_temp_free_i64(fp0); |
6463 |
} |
6464 |
opn = "sub.d";
|
6465 |
optype = BINOP; |
6466 |
break;
|
6467 |
case FOP(2, 17): |
6468 |
check_cp1_registers(ctx, fs | ft | fd); |
6469 |
{ |
6470 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6471 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6472 |
|
6473 |
gen_load_fpr64(ctx, fp0, fs); |
6474 |
gen_load_fpr64(ctx, fp1, ft); |
6475 |
gen_helper_float_mul_d(fp0, fp0, fp1); |
6476 |
tcg_temp_free_i64(fp1); |
6477 |
gen_store_fpr64(ctx, fp0, fd); |
6478 |
tcg_temp_free_i64(fp0); |
6479 |
} |
6480 |
opn = "mul.d";
|
6481 |
optype = BINOP; |
6482 |
break;
|
6483 |
case FOP(3, 17): |
6484 |
check_cp1_registers(ctx, fs | ft | fd); |
6485 |
{ |
6486 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6487 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6488 |
|
6489 |
gen_load_fpr64(ctx, fp0, fs); |
6490 |
gen_load_fpr64(ctx, fp1, ft); |
6491 |
gen_helper_float_div_d(fp0, fp0, fp1); |
6492 |
tcg_temp_free_i64(fp1); |
6493 |
gen_store_fpr64(ctx, fp0, fd); |
6494 |
tcg_temp_free_i64(fp0); |
6495 |
} |
6496 |
opn = "div.d";
|
6497 |
optype = BINOP; |
6498 |
break;
|
6499 |
case FOP(4, 17): |
6500 |
check_cp1_registers(ctx, fs | fd); |
6501 |
{ |
6502 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6503 |
|
6504 |
gen_load_fpr64(ctx, fp0, fs); |
6505 |
gen_helper_float_sqrt_d(fp0, fp0); |
6506 |
gen_store_fpr64(ctx, fp0, fd); |
6507 |
tcg_temp_free_i64(fp0); |
6508 |
} |
6509 |
opn = "sqrt.d";
|
6510 |
break;
|
6511 |
case FOP(5, 17): |
6512 |
check_cp1_registers(ctx, fs | fd); |
6513 |
{ |
6514 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6515 |
|
6516 |
gen_load_fpr64(ctx, fp0, fs); |
6517 |
gen_helper_float_abs_d(fp0, fp0); |
6518 |
gen_store_fpr64(ctx, fp0, fd); |
6519 |
tcg_temp_free_i64(fp0); |
6520 |
} |
6521 |
opn = "abs.d";
|
6522 |
break;
|
6523 |
case FOP(6, 17): |
6524 |
check_cp1_registers(ctx, fs | fd); |
6525 |
{ |
6526 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6527 |
|
6528 |
gen_load_fpr64(ctx, fp0, fs); |
6529 |
gen_store_fpr64(ctx, fp0, fd); |
6530 |
tcg_temp_free_i64(fp0); |
6531 |
} |
6532 |
opn = "mov.d";
|
6533 |
break;
|
6534 |
case FOP(7, 17): |
6535 |
check_cp1_registers(ctx, fs | fd); |
6536 |
{ |
6537 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6538 |
|
6539 |
gen_load_fpr64(ctx, fp0, fs); |
6540 |
gen_helper_float_chs_d(fp0, fp0); |
6541 |
gen_store_fpr64(ctx, fp0, fd); |
6542 |
tcg_temp_free_i64(fp0); |
6543 |
} |
6544 |
opn = "neg.d";
|
6545 |
break;
|
6546 |
case FOP(8, 17): |
6547 |
check_cp1_64bitmode(ctx); |
6548 |
{ |
6549 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6550 |
|
6551 |
gen_load_fpr64(ctx, fp0, fs); |
6552 |
gen_helper_float_roundl_d(fp0, fp0); |
6553 |
gen_store_fpr64(ctx, fp0, fd); |
6554 |
tcg_temp_free_i64(fp0); |
6555 |
} |
6556 |
opn = "round.l.d";
|
6557 |
break;
|
6558 |
case FOP(9, 17): |
6559 |
check_cp1_64bitmode(ctx); |
6560 |
{ |
6561 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6562 |
|
6563 |
gen_load_fpr64(ctx, fp0, fs); |
6564 |
gen_helper_float_truncl_d(fp0, fp0); |
6565 |
gen_store_fpr64(ctx, fp0, fd); |
6566 |
tcg_temp_free_i64(fp0); |
6567 |
} |
6568 |
opn = "trunc.l.d";
|
6569 |
break;
|
6570 |
case FOP(10, 17): |
6571 |
check_cp1_64bitmode(ctx); |
6572 |
{ |
6573 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6574 |
|
6575 |
gen_load_fpr64(ctx, fp0, fs); |
6576 |
gen_helper_float_ceill_d(fp0, fp0); |
6577 |
gen_store_fpr64(ctx, fp0, fd); |
6578 |
tcg_temp_free_i64(fp0); |
6579 |
} |
6580 |
opn = "ceil.l.d";
|
6581 |
break;
|
6582 |
case FOP(11, 17): |
6583 |
check_cp1_64bitmode(ctx); |
6584 |
{ |
6585 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6586 |
|
6587 |
gen_load_fpr64(ctx, fp0, fs); |
6588 |
gen_helper_float_floorl_d(fp0, fp0); |
6589 |
gen_store_fpr64(ctx, fp0, fd); |
6590 |
tcg_temp_free_i64(fp0); |
6591 |
} |
6592 |
opn = "floor.l.d";
|
6593 |
break;
|
6594 |
case FOP(12, 17): |
6595 |
check_cp1_registers(ctx, fs); |
6596 |
{ |
6597 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6598 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6599 |
|
6600 |
gen_load_fpr64(ctx, fp64, fs); |
6601 |
gen_helper_float_roundw_d(fp32, fp64); |
6602 |
tcg_temp_free_i64(fp64); |
6603 |
gen_store_fpr32(fp32, fd); |
6604 |
tcg_temp_free_i32(fp32); |
6605 |
} |
6606 |
opn = "round.w.d";
|
6607 |
break;
|
6608 |
case FOP(13, 17): |
6609 |
check_cp1_registers(ctx, fs); |
6610 |
{ |
6611 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6612 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6613 |
|
6614 |
gen_load_fpr64(ctx, fp64, fs); |
6615 |
gen_helper_float_truncw_d(fp32, fp64); |
6616 |
tcg_temp_free_i64(fp64); |
6617 |
gen_store_fpr32(fp32, fd); |
6618 |
tcg_temp_free_i32(fp32); |
6619 |
} |
6620 |
opn = "trunc.w.d";
|
6621 |
break;
|
6622 |
case FOP(14, 17): |
6623 |
check_cp1_registers(ctx, fs); |
6624 |
{ |
6625 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6626 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6627 |
|
6628 |
gen_load_fpr64(ctx, fp64, fs); |
6629 |
gen_helper_float_ceilw_d(fp32, fp64); |
6630 |
tcg_temp_free_i64(fp64); |
6631 |
gen_store_fpr32(fp32, fd); |
6632 |
tcg_temp_free_i32(fp32); |
6633 |
} |
6634 |
opn = "ceil.w.d";
|
6635 |
break;
|
6636 |
case FOP(15, 17): |
6637 |
check_cp1_registers(ctx, fs); |
6638 |
{ |
6639 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6640 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6641 |
|
6642 |
gen_load_fpr64(ctx, fp64, fs); |
6643 |
gen_helper_float_floorw_d(fp32, fp64); |
6644 |
tcg_temp_free_i64(fp64); |
6645 |
gen_store_fpr32(fp32, fd); |
6646 |
tcg_temp_free_i32(fp32); |
6647 |
} |
6648 |
opn = "floor.w.d";
|
6649 |
break;
|
6650 |
case FOP(17, 17): |
6651 |
gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
6652 |
opn = "movcf.d";
|
6653 |
break;
|
6654 |
case FOP(18, 17): |
6655 |
{ |
6656 |
int l1 = gen_new_label();
|
6657 |
TCGv_i64 fp0; |
6658 |
|
6659 |
if (ft != 0) { |
6660 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
6661 |
} |
6662 |
fp0 = tcg_temp_new_i64(); |
6663 |
gen_load_fpr64(ctx, fp0, fs); |
6664 |
gen_store_fpr64(ctx, fp0, fd); |
6665 |
tcg_temp_free_i64(fp0); |
6666 |
gen_set_label(l1); |
6667 |
} |
6668 |
opn = "movz.d";
|
6669 |
break;
|
6670 |
case FOP(19, 17): |
6671 |
{ |
6672 |
int l1 = gen_new_label();
|
6673 |
TCGv_i64 fp0; |
6674 |
|
6675 |
if (ft != 0) { |
6676 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
6677 |
fp0 = tcg_temp_new_i64(); |
6678 |
gen_load_fpr64(ctx, fp0, fs); |
6679 |
gen_store_fpr64(ctx, fp0, fd); |
6680 |
tcg_temp_free_i64(fp0); |
6681 |
gen_set_label(l1); |
6682 |
} |
6683 |
} |
6684 |
opn = "movn.d";
|
6685 |
break;
|
6686 |
case FOP(21, 17): |
6687 |
check_cp1_64bitmode(ctx); |
6688 |
{ |
6689 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6690 |
|
6691 |
gen_load_fpr64(ctx, fp0, fs); |
6692 |
gen_helper_float_recip_d(fp0, fp0); |
6693 |
gen_store_fpr64(ctx, fp0, fd); |
6694 |
tcg_temp_free_i64(fp0); |
6695 |
} |
6696 |
opn = "recip.d";
|
6697 |
break;
|
6698 |
case FOP(22, 17): |
6699 |
check_cp1_64bitmode(ctx); |
6700 |
{ |
6701 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6702 |
|
6703 |
gen_load_fpr64(ctx, fp0, fs); |
6704 |
gen_helper_float_rsqrt_d(fp0, fp0); |
6705 |
gen_store_fpr64(ctx, fp0, fd); |
6706 |
tcg_temp_free_i64(fp0); |
6707 |
} |
6708 |
opn = "rsqrt.d";
|
6709 |
break;
|
6710 |
case FOP(28, 17): |
6711 |
check_cp1_64bitmode(ctx); |
6712 |
{ |
6713 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6714 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6715 |
|
6716 |
gen_load_fpr64(ctx, fp0, fs); |
6717 |
gen_load_fpr64(ctx, fp1, ft); |
6718 |
gen_helper_float_recip2_d(fp0, fp0, fp1); |
6719 |
tcg_temp_free_i64(fp1); |
6720 |
gen_store_fpr64(ctx, fp0, fd); |
6721 |
tcg_temp_free_i64(fp0); |
6722 |
} |
6723 |
opn = "recip2.d";
|
6724 |
break;
|
6725 |
case FOP(29, 17): |
6726 |
check_cp1_64bitmode(ctx); |
6727 |
{ |
6728 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6729 |
|
6730 |
gen_load_fpr64(ctx, fp0, fs); |
6731 |
gen_helper_float_recip1_d(fp0, fp0); |
6732 |
gen_store_fpr64(ctx, fp0, fd); |
6733 |
tcg_temp_free_i64(fp0); |
6734 |
} |
6735 |
opn = "recip1.d";
|
6736 |
break;
|
6737 |
case FOP(30, 17): |
6738 |
check_cp1_64bitmode(ctx); |
6739 |
{ |
6740 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6741 |
|
6742 |
gen_load_fpr64(ctx, fp0, fs); |
6743 |
gen_helper_float_rsqrt1_d(fp0, fp0); |
6744 |
gen_store_fpr64(ctx, fp0, fd); |
6745 |
tcg_temp_free_i64(fp0); |
6746 |
} |
6747 |
opn = "rsqrt1.d";
|
6748 |
break;
|
6749 |
case FOP(31, 17): |
6750 |
check_cp1_64bitmode(ctx); |
6751 |
{ |
6752 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6753 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6754 |
|
6755 |
gen_load_fpr64(ctx, fp0, fs); |
6756 |
gen_load_fpr64(ctx, fp1, ft); |
6757 |
gen_helper_float_rsqrt2_d(fp0, fp0, fp1); |
6758 |
tcg_temp_free_i64(fp1); |
6759 |
gen_store_fpr64(ctx, fp0, fd); |
6760 |
tcg_temp_free_i64(fp0); |
6761 |
} |
6762 |
opn = "rsqrt2.d";
|
6763 |
break;
|
6764 |
case FOP(48, 17): |
6765 |
case FOP(49, 17): |
6766 |
case FOP(50, 17): |
6767 |
case FOP(51, 17): |
6768 |
case FOP(52, 17): |
6769 |
case FOP(53, 17): |
6770 |
case FOP(54, 17): |
6771 |
case FOP(55, 17): |
6772 |
case FOP(56, 17): |
6773 |
case FOP(57, 17): |
6774 |
case FOP(58, 17): |
6775 |
case FOP(59, 17): |
6776 |
case FOP(60, 17): |
6777 |
case FOP(61, 17): |
6778 |
case FOP(62, 17): |
6779 |
case FOP(63, 17): |
6780 |
{ |
6781 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6782 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6783 |
|
6784 |
gen_load_fpr64(ctx, fp0, fs); |
6785 |
gen_load_fpr64(ctx, fp1, ft); |
6786 |
if (ctx->opcode & (1 << 6)) { |
6787 |
check_cop1x(ctx); |
6788 |
check_cp1_registers(ctx, fs | ft); |
6789 |
gen_cmpabs_d(func-48, fp0, fp1, cc);
|
6790 |
opn = condnames_abs[func-48];
|
6791 |
} else {
|
6792 |
check_cp1_registers(ctx, fs | ft); |
6793 |
gen_cmp_d(func-48, fp0, fp1, cc);
|
6794 |
opn = condnames[func-48];
|
6795 |
} |
6796 |
tcg_temp_free_i64(fp0); |
6797 |
tcg_temp_free_i64(fp1); |
6798 |
} |
6799 |
break;
|
6800 |
case FOP(32, 17): |
6801 |
check_cp1_registers(ctx, fs); |
6802 |
{ |
6803 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6804 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6805 |
|
6806 |
gen_load_fpr64(ctx, fp64, fs); |
6807 |
gen_helper_float_cvts_d(fp32, fp64); |
6808 |
tcg_temp_free_i64(fp64); |
6809 |
gen_store_fpr32(fp32, fd); |
6810 |
tcg_temp_free_i32(fp32); |
6811 |
} |
6812 |
opn = "cvt.s.d";
|
6813 |
break;
|
6814 |
case FOP(36, 17): |
6815 |
check_cp1_registers(ctx, fs); |
6816 |
{ |
6817 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6818 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6819 |
|
6820 |
gen_load_fpr64(ctx, fp64, fs); |
6821 |
gen_helper_float_cvtw_d(fp32, fp64); |
6822 |
tcg_temp_free_i64(fp64); |
6823 |
gen_store_fpr32(fp32, fd); |
6824 |
tcg_temp_free_i32(fp32); |
6825 |
} |
6826 |
opn = "cvt.w.d";
|
6827 |
break;
|
6828 |
case FOP(37, 17): |
6829 |
check_cp1_64bitmode(ctx); |
6830 |
{ |
6831 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6832 |
|
6833 |
gen_load_fpr64(ctx, fp0, fs); |
6834 |
gen_helper_float_cvtl_d(fp0, fp0); |
6835 |
gen_store_fpr64(ctx, fp0, fd); |
6836 |
tcg_temp_free_i64(fp0); |
6837 |
} |
6838 |
opn = "cvt.l.d";
|
6839 |
break;
|
6840 |
case FOP(32, 20): |
6841 |
{ |
6842 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
6843 |
|
6844 |
gen_load_fpr32(fp0, fs); |
6845 |
gen_helper_float_cvts_w(fp0, fp0); |
6846 |
gen_store_fpr32(fp0, fd); |
6847 |
tcg_temp_free_i32(fp0); |
6848 |
} |
6849 |
opn = "cvt.s.w";
|
6850 |
break;
|
6851 |
case FOP(33, 20): |
6852 |
check_cp1_registers(ctx, fd); |
6853 |
{ |
6854 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6855 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6856 |
|
6857 |
gen_load_fpr32(fp32, fs); |
6858 |
gen_helper_float_cvtd_w(fp64, fp32); |
6859 |
tcg_temp_free_i32(fp32); |
6860 |
gen_store_fpr64(ctx, fp64, fd); |
6861 |
tcg_temp_free_i64(fp64); |
6862 |
} |
6863 |
opn = "cvt.d.w";
|
6864 |
break;
|
6865 |
case FOP(32, 21): |
6866 |
check_cp1_64bitmode(ctx); |
6867 |
{ |
6868 |
TCGv_i32 fp32 = tcg_temp_new_i32(); |
6869 |
TCGv_i64 fp64 = tcg_temp_new_i64(); |
6870 |
|
6871 |
gen_load_fpr64(ctx, fp64, fs); |
6872 |
gen_helper_float_cvts_l(fp32, fp64); |
6873 |
tcg_temp_free_i64(fp64); |
6874 |
gen_store_fpr32(fp32, fd); |
6875 |
tcg_temp_free_i32(fp32); |
6876 |
} |
6877 |
opn = "cvt.s.l";
|
6878 |
break;
|
6879 |
case FOP(33, 21): |
6880 |
check_cp1_64bitmode(ctx); |
6881 |
{ |
6882 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6883 |
|
6884 |
gen_load_fpr64(ctx, fp0, fs); |
6885 |
gen_helper_float_cvtd_l(fp0, fp0); |
6886 |
gen_store_fpr64(ctx, fp0, fd); |
6887 |
tcg_temp_free_i64(fp0); |
6888 |
} |
6889 |
opn = "cvt.d.l";
|
6890 |
break;
|
6891 |
case FOP(38, 20): |
6892 |
check_cp1_64bitmode(ctx); |
6893 |
{ |
6894 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6895 |
|
6896 |
gen_load_fpr64(ctx, fp0, fs); |
6897 |
gen_helper_float_cvtps_pw(fp0, fp0); |
6898 |
gen_store_fpr64(ctx, fp0, fd); |
6899 |
tcg_temp_free_i64(fp0); |
6900 |
} |
6901 |
opn = "cvt.ps.pw";
|
6902 |
break;
|
6903 |
case FOP(0, 22): |
6904 |
check_cp1_64bitmode(ctx); |
6905 |
{ |
6906 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6907 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6908 |
|
6909 |
gen_load_fpr64(ctx, fp0, fs); |
6910 |
gen_load_fpr64(ctx, fp1, ft); |
6911 |
gen_helper_float_add_ps(fp0, fp0, fp1); |
6912 |
tcg_temp_free_i64(fp1); |
6913 |
gen_store_fpr64(ctx, fp0, fd); |
6914 |
tcg_temp_free_i64(fp0); |
6915 |
} |
6916 |
opn = "add.ps";
|
6917 |
break;
|
6918 |
case FOP(1, 22): |
6919 |
check_cp1_64bitmode(ctx); |
6920 |
{ |
6921 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6922 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6923 |
|
6924 |
gen_load_fpr64(ctx, fp0, fs); |
6925 |
gen_load_fpr64(ctx, fp1, ft); |
6926 |
gen_helper_float_sub_ps(fp0, fp0, fp1); |
6927 |
tcg_temp_free_i64(fp1); |
6928 |
gen_store_fpr64(ctx, fp0, fd); |
6929 |
tcg_temp_free_i64(fp0); |
6930 |
} |
6931 |
opn = "sub.ps";
|
6932 |
break;
|
6933 |
case FOP(2, 22): |
6934 |
check_cp1_64bitmode(ctx); |
6935 |
{ |
6936 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6937 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
6938 |
|
6939 |
gen_load_fpr64(ctx, fp0, fs); |
6940 |
gen_load_fpr64(ctx, fp1, ft); |
6941 |
gen_helper_float_mul_ps(fp0, fp0, fp1); |
6942 |
tcg_temp_free_i64(fp1); |
6943 |
gen_store_fpr64(ctx, fp0, fd); |
6944 |
tcg_temp_free_i64(fp0); |
6945 |
} |
6946 |
opn = "mul.ps";
|
6947 |
break;
|
6948 |
case FOP(5, 22): |
6949 |
check_cp1_64bitmode(ctx); |
6950 |
{ |
6951 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6952 |
|
6953 |
gen_load_fpr64(ctx, fp0, fs); |
6954 |
gen_helper_float_abs_ps(fp0, fp0); |
6955 |
gen_store_fpr64(ctx, fp0, fd); |
6956 |
tcg_temp_free_i64(fp0); |
6957 |
} |
6958 |
opn = "abs.ps";
|
6959 |
break;
|
6960 |
case FOP(6, 22): |
6961 |
check_cp1_64bitmode(ctx); |
6962 |
{ |
6963 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6964 |
|
6965 |
gen_load_fpr64(ctx, fp0, fs); |
6966 |
gen_store_fpr64(ctx, fp0, fd); |
6967 |
tcg_temp_free_i64(fp0); |
6968 |
} |
6969 |
opn = "mov.ps";
|
6970 |
break;
|
6971 |
case FOP(7, 22): |
6972 |
check_cp1_64bitmode(ctx); |
6973 |
{ |
6974 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
6975 |
|
6976 |
gen_load_fpr64(ctx, fp0, fs); |
6977 |
gen_helper_float_chs_ps(fp0, fp0); |
6978 |
gen_store_fpr64(ctx, fp0, fd); |
6979 |
tcg_temp_free_i64(fp0); |
6980 |
} |
6981 |
opn = "neg.ps";
|
6982 |
break;
|
6983 |
case FOP(17, 22): |
6984 |
check_cp1_64bitmode(ctx); |
6985 |
gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1); |
6986 |
opn = "movcf.ps";
|
6987 |
break;
|
6988 |
case FOP(18, 22): |
6989 |
check_cp1_64bitmode(ctx); |
6990 |
{ |
6991 |
int l1 = gen_new_label();
|
6992 |
TCGv_i64 fp0; |
6993 |
|
6994 |
if (ft != 0) |
6995 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
|
6996 |
fp0 = tcg_temp_new_i64(); |
6997 |
gen_load_fpr64(ctx, fp0, fs); |
6998 |
gen_store_fpr64(ctx, fp0, fd); |
6999 |
tcg_temp_free_i64(fp0); |
7000 |
gen_set_label(l1); |
7001 |
} |
7002 |
opn = "movz.ps";
|
7003 |
break;
|
7004 |
case FOP(19, 22): |
7005 |
check_cp1_64bitmode(ctx); |
7006 |
{ |
7007 |
int l1 = gen_new_label();
|
7008 |
TCGv_i64 fp0; |
7009 |
|
7010 |
if (ft != 0) { |
7011 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
|
7012 |
fp0 = tcg_temp_new_i64(); |
7013 |
gen_load_fpr64(ctx, fp0, fs); |
7014 |
gen_store_fpr64(ctx, fp0, fd); |
7015 |
tcg_temp_free_i64(fp0); |
7016 |
gen_set_label(l1); |
7017 |
} |
7018 |
} |
7019 |
opn = "movn.ps";
|
7020 |
break;
|
7021 |
case FOP(24, 22): |
7022 |
check_cp1_64bitmode(ctx); |
7023 |
{ |
7024 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7025 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7026 |
|
7027 |
gen_load_fpr64(ctx, fp0, ft); |
7028 |
gen_load_fpr64(ctx, fp1, fs); |
7029 |
gen_helper_float_addr_ps(fp0, fp0, fp1); |
7030 |
tcg_temp_free_i64(fp1); |
7031 |
gen_store_fpr64(ctx, fp0, fd); |
7032 |
tcg_temp_free_i64(fp0); |
7033 |
} |
7034 |
opn = "addr.ps";
|
7035 |
break;
|
7036 |
case FOP(26, 22): |
7037 |
check_cp1_64bitmode(ctx); |
7038 |
{ |
7039 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7040 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7041 |
|
7042 |
gen_load_fpr64(ctx, fp0, ft); |
7043 |
gen_load_fpr64(ctx, fp1, fs); |
7044 |
gen_helper_float_mulr_ps(fp0, fp0, fp1); |
7045 |
tcg_temp_free_i64(fp1); |
7046 |
gen_store_fpr64(ctx, fp0, fd); |
7047 |
tcg_temp_free_i64(fp0); |
7048 |
} |
7049 |
opn = "mulr.ps";
|
7050 |
break;
|
7051 |
case FOP(28, 22): |
7052 |
check_cp1_64bitmode(ctx); |
7053 |
{ |
7054 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7055 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7056 |
|
7057 |
gen_load_fpr64(ctx, fp0, fs); |
7058 |
gen_load_fpr64(ctx, fp1, fd); |
7059 |
gen_helper_float_recip2_ps(fp0, fp0, fp1); |
7060 |
tcg_temp_free_i64(fp1); |
7061 |
gen_store_fpr64(ctx, fp0, fd); |
7062 |
tcg_temp_free_i64(fp0); |
7063 |
} |
7064 |
opn = "recip2.ps";
|
7065 |
break;
|
7066 |
case FOP(29, 22): |
7067 |
check_cp1_64bitmode(ctx); |
7068 |
{ |
7069 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7070 |
|
7071 |
gen_load_fpr64(ctx, fp0, fs); |
7072 |
gen_helper_float_recip1_ps(fp0, fp0); |
7073 |
gen_store_fpr64(ctx, fp0, fd); |
7074 |
tcg_temp_free_i64(fp0); |
7075 |
} |
7076 |
opn = "recip1.ps";
|
7077 |
break;
|
7078 |
case FOP(30, 22): |
7079 |
check_cp1_64bitmode(ctx); |
7080 |
{ |
7081 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7082 |
|
7083 |
gen_load_fpr64(ctx, fp0, fs); |
7084 |
gen_helper_float_rsqrt1_ps(fp0, fp0); |
7085 |
gen_store_fpr64(ctx, fp0, fd); |
7086 |
tcg_temp_free_i64(fp0); |
7087 |
} |
7088 |
opn = "rsqrt1.ps";
|
7089 |
break;
|
7090 |
case FOP(31, 22): |
7091 |
check_cp1_64bitmode(ctx); |
7092 |
{ |
7093 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7094 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7095 |
|
7096 |
gen_load_fpr64(ctx, fp0, fs); |
7097 |
gen_load_fpr64(ctx, fp1, ft); |
7098 |
gen_helper_float_rsqrt2_ps(fp0, fp0, fp1); |
7099 |
tcg_temp_free_i64(fp1); |
7100 |
gen_store_fpr64(ctx, fp0, fd); |
7101 |
tcg_temp_free_i64(fp0); |
7102 |
} |
7103 |
opn = "rsqrt2.ps";
|
7104 |
break;
|
7105 |
case FOP(32, 22): |
7106 |
check_cp1_64bitmode(ctx); |
7107 |
{ |
7108 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7109 |
|
7110 |
gen_load_fpr32h(fp0, fs); |
7111 |
gen_helper_float_cvts_pu(fp0, fp0); |
7112 |
gen_store_fpr32(fp0, fd); |
7113 |
tcg_temp_free_i32(fp0); |
7114 |
} |
7115 |
opn = "cvt.s.pu";
|
7116 |
break;
|
7117 |
case FOP(36, 22): |
7118 |
check_cp1_64bitmode(ctx); |
7119 |
{ |
7120 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7121 |
|
7122 |
gen_load_fpr64(ctx, fp0, fs); |
7123 |
gen_helper_float_cvtpw_ps(fp0, fp0); |
7124 |
gen_store_fpr64(ctx, fp0, fd); |
7125 |
tcg_temp_free_i64(fp0); |
7126 |
} |
7127 |
opn = "cvt.pw.ps";
|
7128 |
break;
|
7129 |
case FOP(40, 22): |
7130 |
check_cp1_64bitmode(ctx); |
7131 |
{ |
7132 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7133 |
|
7134 |
gen_load_fpr32(fp0, fs); |
7135 |
gen_helper_float_cvts_pl(fp0, fp0); |
7136 |
gen_store_fpr32(fp0, fd); |
7137 |
tcg_temp_free_i32(fp0); |
7138 |
} |
7139 |
opn = "cvt.s.pl";
|
7140 |
break;
|
7141 |
case FOP(44, 22): |
7142 |
check_cp1_64bitmode(ctx); |
7143 |
{ |
7144 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7145 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7146 |
|
7147 |
gen_load_fpr32(fp0, fs); |
7148 |
gen_load_fpr32(fp1, ft); |
7149 |
gen_store_fpr32h(fp0, fd); |
7150 |
gen_store_fpr32(fp1, fd); |
7151 |
tcg_temp_free_i32(fp0); |
7152 |
tcg_temp_free_i32(fp1); |
7153 |
} |
7154 |
opn = "pll.ps";
|
7155 |
break;
|
7156 |
case FOP(45, 22): |
7157 |
check_cp1_64bitmode(ctx); |
7158 |
{ |
7159 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7160 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7161 |
|
7162 |
gen_load_fpr32(fp0, fs); |
7163 |
gen_load_fpr32h(fp1, ft); |
7164 |
gen_store_fpr32(fp1, fd); |
7165 |
gen_store_fpr32h(fp0, fd); |
7166 |
tcg_temp_free_i32(fp0); |
7167 |
tcg_temp_free_i32(fp1); |
7168 |
} |
7169 |
opn = "plu.ps";
|
7170 |
break;
|
7171 |
case FOP(46, 22): |
7172 |
check_cp1_64bitmode(ctx); |
7173 |
{ |
7174 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7175 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7176 |
|
7177 |
gen_load_fpr32h(fp0, fs); |
7178 |
gen_load_fpr32(fp1, ft); |
7179 |
gen_store_fpr32(fp1, fd); |
7180 |
gen_store_fpr32h(fp0, fd); |
7181 |
tcg_temp_free_i32(fp0); |
7182 |
tcg_temp_free_i32(fp1); |
7183 |
} |
7184 |
opn = "pul.ps";
|
7185 |
break;
|
7186 |
case FOP(47, 22): |
7187 |
check_cp1_64bitmode(ctx); |
7188 |
{ |
7189 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7190 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7191 |
|
7192 |
gen_load_fpr32h(fp0, fs); |
7193 |
gen_load_fpr32h(fp1, ft); |
7194 |
gen_store_fpr32(fp1, fd); |
7195 |
gen_store_fpr32h(fp0, fd); |
7196 |
tcg_temp_free_i32(fp0); |
7197 |
tcg_temp_free_i32(fp1); |
7198 |
} |
7199 |
opn = "puu.ps";
|
7200 |
break;
|
7201 |
case FOP(48, 22): |
7202 |
case FOP(49, 22): |
7203 |
case FOP(50, 22): |
7204 |
case FOP(51, 22): |
7205 |
case FOP(52, 22): |
7206 |
case FOP(53, 22): |
7207 |
case FOP(54, 22): |
7208 |
case FOP(55, 22): |
7209 |
case FOP(56, 22): |
7210 |
case FOP(57, 22): |
7211 |
case FOP(58, 22): |
7212 |
case FOP(59, 22): |
7213 |
case FOP(60, 22): |
7214 |
case FOP(61, 22): |
7215 |
case FOP(62, 22): |
7216 |
case FOP(63, 22): |
7217 |
check_cp1_64bitmode(ctx); |
7218 |
{ |
7219 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7220 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7221 |
|
7222 |
gen_load_fpr64(ctx, fp0, fs); |
7223 |
gen_load_fpr64(ctx, fp1, ft); |
7224 |
if (ctx->opcode & (1 << 6)) { |
7225 |
gen_cmpabs_ps(func-48, fp0, fp1, cc);
|
7226 |
opn = condnames_abs[func-48];
|
7227 |
} else {
|
7228 |
gen_cmp_ps(func-48, fp0, fp1, cc);
|
7229 |
opn = condnames[func-48];
|
7230 |
} |
7231 |
tcg_temp_free_i64(fp0); |
7232 |
tcg_temp_free_i64(fp1); |
7233 |
} |
7234 |
break;
|
7235 |
default:
|
7236 |
MIPS_INVAL(opn); |
7237 |
generate_exception (ctx, EXCP_RI); |
7238 |
return;
|
7239 |
} |
7240 |
switch (optype) {
|
7241 |
case BINOP:
|
7242 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
7243 |
break;
|
7244 |
case CMPOP:
|
7245 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
7246 |
break;
|
7247 |
default:
|
7248 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
7249 |
break;
|
7250 |
} |
7251 |
} |
7252 |
|
7253 |
/* Coprocessor 3 (FPU) */
|
7254 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
7255 |
int fd, int fs, int base, int index) |
7256 |
{ |
7257 |
const char *opn = "extended float load/store"; |
7258 |
int store = 0; |
7259 |
TCGv t0 = tcg_temp_new(); |
7260 |
|
7261 |
if (base == 0) { |
7262 |
gen_load_gpr(t0, index); |
7263 |
} else if (index == 0) { |
7264 |
gen_load_gpr(t0, base); |
7265 |
} else {
|
7266 |
gen_load_gpr(t0, index); |
7267 |
gen_op_addr_add(ctx, t0, cpu_gpr[base], t0); |
7268 |
} |
7269 |
/* Don't do NOP if destination is zero: we must perform the actual
|
7270 |
memory access. */
|
7271 |
save_cpu_state(ctx, 0);
|
7272 |
switch (opc) {
|
7273 |
case OPC_LWXC1:
|
7274 |
check_cop1x(ctx); |
7275 |
{ |
7276 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7277 |
|
7278 |
tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx); |
7279 |
tcg_gen_trunc_tl_i32(fp0, t0); |
7280 |
gen_store_fpr32(fp0, fd); |
7281 |
tcg_temp_free_i32(fp0); |
7282 |
} |
7283 |
opn = "lwxc1";
|
7284 |
break;
|
7285 |
case OPC_LDXC1:
|
7286 |
check_cop1x(ctx); |
7287 |
check_cp1_registers(ctx, fd); |
7288 |
{ |
7289 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7290 |
|
7291 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
7292 |
gen_store_fpr64(ctx, fp0, fd); |
7293 |
tcg_temp_free_i64(fp0); |
7294 |
} |
7295 |
opn = "ldxc1";
|
7296 |
break;
|
7297 |
case OPC_LUXC1:
|
7298 |
check_cp1_64bitmode(ctx); |
7299 |
tcg_gen_andi_tl(t0, t0, ~0x7);
|
7300 |
{ |
7301 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7302 |
|
7303 |
tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx); |
7304 |
gen_store_fpr64(ctx, fp0, fd); |
7305 |
tcg_temp_free_i64(fp0); |
7306 |
} |
7307 |
opn = "luxc1";
|
7308 |
break;
|
7309 |
case OPC_SWXC1:
|
7310 |
check_cop1x(ctx); |
7311 |
{ |
7312 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7313 |
TCGv t1 = tcg_temp_new(); |
7314 |
|
7315 |
gen_load_fpr32(fp0, fs); |
7316 |
tcg_gen_extu_i32_tl(t1, fp0); |
7317 |
tcg_gen_qemu_st32(t1, t0, ctx->mem_idx); |
7318 |
tcg_temp_free_i32(fp0); |
7319 |
tcg_temp_free(t1); |
7320 |
} |
7321 |
opn = "swxc1";
|
7322 |
store = 1;
|
7323 |
break;
|
7324 |
case OPC_SDXC1:
|
7325 |
check_cop1x(ctx); |
7326 |
check_cp1_registers(ctx, fs); |
7327 |
{ |
7328 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7329 |
|
7330 |
gen_load_fpr64(ctx, fp0, fs); |
7331 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
7332 |
tcg_temp_free_i64(fp0); |
7333 |
} |
7334 |
opn = "sdxc1";
|
7335 |
store = 1;
|
7336 |
break;
|
7337 |
case OPC_SUXC1:
|
7338 |
check_cp1_64bitmode(ctx); |
7339 |
tcg_gen_andi_tl(t0, t0, ~0x7);
|
7340 |
{ |
7341 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7342 |
|
7343 |
gen_load_fpr64(ctx, fp0, fs); |
7344 |
tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx); |
7345 |
tcg_temp_free_i64(fp0); |
7346 |
} |
7347 |
opn = "suxc1";
|
7348 |
store = 1;
|
7349 |
break;
|
7350 |
} |
7351 |
tcg_temp_free(t0); |
7352 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
7353 |
regnames[index], regnames[base]); |
7354 |
} |
7355 |
|
7356 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
7357 |
int fd, int fr, int fs, int ft) |
7358 |
{ |
7359 |
const char *opn = "flt3_arith"; |
7360 |
|
7361 |
switch (opc) {
|
7362 |
case OPC_ALNV_PS:
|
7363 |
check_cp1_64bitmode(ctx); |
7364 |
{ |
7365 |
TCGv t0 = tcg_temp_local_new(); |
7366 |
TCGv_i32 fp = tcg_temp_new_i32(); |
7367 |
TCGv_i32 fph = tcg_temp_new_i32(); |
7368 |
int l1 = gen_new_label();
|
7369 |
int l2 = gen_new_label();
|
7370 |
|
7371 |
gen_load_gpr(t0, fr); |
7372 |
tcg_gen_andi_tl(t0, t0, 0x7);
|
7373 |
|
7374 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
|
7375 |
gen_load_fpr32(fp, fs); |
7376 |
gen_load_fpr32h(fph, fs); |
7377 |
gen_store_fpr32(fp, fd); |
7378 |
gen_store_fpr32h(fph, fd); |
7379 |
tcg_gen_br(l2); |
7380 |
gen_set_label(l1); |
7381 |
tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
|
7382 |
tcg_temp_free(t0); |
7383 |
#ifdef TARGET_WORDS_BIGENDIAN
|
7384 |
gen_load_fpr32(fp, fs); |
7385 |
gen_load_fpr32h(fph, ft); |
7386 |
gen_store_fpr32h(fp, fd); |
7387 |
gen_store_fpr32(fph, fd); |
7388 |
#else
|
7389 |
gen_load_fpr32h(fph, fs); |
7390 |
gen_load_fpr32(fp, ft); |
7391 |
gen_store_fpr32(fph, fd); |
7392 |
gen_store_fpr32h(fp, fd); |
7393 |
#endif
|
7394 |
gen_set_label(l2); |
7395 |
tcg_temp_free_i32(fp); |
7396 |
tcg_temp_free_i32(fph); |
7397 |
} |
7398 |
opn = "alnv.ps";
|
7399 |
break;
|
7400 |
case OPC_MADD_S:
|
7401 |
check_cop1x(ctx); |
7402 |
{ |
7403 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7404 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7405 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7406 |
|
7407 |
gen_load_fpr32(fp0, fs); |
7408 |
gen_load_fpr32(fp1, ft); |
7409 |
gen_load_fpr32(fp2, fr); |
7410 |
gen_helper_float_muladd_s(fp2, fp0, fp1, fp2); |
7411 |
tcg_temp_free_i32(fp0); |
7412 |
tcg_temp_free_i32(fp1); |
7413 |
gen_store_fpr32(fp2, fd); |
7414 |
tcg_temp_free_i32(fp2); |
7415 |
} |
7416 |
opn = "madd.s";
|
7417 |
break;
|
7418 |
case OPC_MADD_D:
|
7419 |
check_cop1x(ctx); |
7420 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7421 |
{ |
7422 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7423 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7424 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7425 |
|
7426 |
gen_load_fpr64(ctx, fp0, fs); |
7427 |
gen_load_fpr64(ctx, fp1, ft); |
7428 |
gen_load_fpr64(ctx, fp2, fr); |
7429 |
gen_helper_float_muladd_d(fp2, fp0, fp1, fp2); |
7430 |
tcg_temp_free_i64(fp0); |
7431 |
tcg_temp_free_i64(fp1); |
7432 |
gen_store_fpr64(ctx, fp2, fd); |
7433 |
tcg_temp_free_i64(fp2); |
7434 |
} |
7435 |
opn = "madd.d";
|
7436 |
break;
|
7437 |
case OPC_MADD_PS:
|
7438 |
check_cp1_64bitmode(ctx); |
7439 |
{ |
7440 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7441 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7442 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7443 |
|
7444 |
gen_load_fpr64(ctx, fp0, fs); |
7445 |
gen_load_fpr64(ctx, fp1, ft); |
7446 |
gen_load_fpr64(ctx, fp2, fr); |
7447 |
gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2); |
7448 |
tcg_temp_free_i64(fp0); |
7449 |
tcg_temp_free_i64(fp1); |
7450 |
gen_store_fpr64(ctx, fp2, fd); |
7451 |
tcg_temp_free_i64(fp2); |
7452 |
} |
7453 |
opn = "madd.ps";
|
7454 |
break;
|
7455 |
case OPC_MSUB_S:
|
7456 |
check_cop1x(ctx); |
7457 |
{ |
7458 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7459 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7460 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7461 |
|
7462 |
gen_load_fpr32(fp0, fs); |
7463 |
gen_load_fpr32(fp1, ft); |
7464 |
gen_load_fpr32(fp2, fr); |
7465 |
gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2); |
7466 |
tcg_temp_free_i32(fp0); |
7467 |
tcg_temp_free_i32(fp1); |
7468 |
gen_store_fpr32(fp2, fd); |
7469 |
tcg_temp_free_i32(fp2); |
7470 |
} |
7471 |
opn = "msub.s";
|
7472 |
break;
|
7473 |
case OPC_MSUB_D:
|
7474 |
check_cop1x(ctx); |
7475 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7476 |
{ |
7477 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7478 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7479 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7480 |
|
7481 |
gen_load_fpr64(ctx, fp0, fs); |
7482 |
gen_load_fpr64(ctx, fp1, ft); |
7483 |
gen_load_fpr64(ctx, fp2, fr); |
7484 |
gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2); |
7485 |
tcg_temp_free_i64(fp0); |
7486 |
tcg_temp_free_i64(fp1); |
7487 |
gen_store_fpr64(ctx, fp2, fd); |
7488 |
tcg_temp_free_i64(fp2); |
7489 |
} |
7490 |
opn = "msub.d";
|
7491 |
break;
|
7492 |
case OPC_MSUB_PS:
|
7493 |
check_cp1_64bitmode(ctx); |
7494 |
{ |
7495 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7496 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7497 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7498 |
|
7499 |
gen_load_fpr64(ctx, fp0, fs); |
7500 |
gen_load_fpr64(ctx, fp1, ft); |
7501 |
gen_load_fpr64(ctx, fp2, fr); |
7502 |
gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2); |
7503 |
tcg_temp_free_i64(fp0); |
7504 |
tcg_temp_free_i64(fp1); |
7505 |
gen_store_fpr64(ctx, fp2, fd); |
7506 |
tcg_temp_free_i64(fp2); |
7507 |
} |
7508 |
opn = "msub.ps";
|
7509 |
break;
|
7510 |
case OPC_NMADD_S:
|
7511 |
check_cop1x(ctx); |
7512 |
{ |
7513 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7514 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7515 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7516 |
|
7517 |
gen_load_fpr32(fp0, fs); |
7518 |
gen_load_fpr32(fp1, ft); |
7519 |
gen_load_fpr32(fp2, fr); |
7520 |
gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2); |
7521 |
tcg_temp_free_i32(fp0); |
7522 |
tcg_temp_free_i32(fp1); |
7523 |
gen_store_fpr32(fp2, fd); |
7524 |
tcg_temp_free_i32(fp2); |
7525 |
} |
7526 |
opn = "nmadd.s";
|
7527 |
break;
|
7528 |
case OPC_NMADD_D:
|
7529 |
check_cop1x(ctx); |
7530 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7531 |
{ |
7532 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7533 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7534 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7535 |
|
7536 |
gen_load_fpr64(ctx, fp0, fs); |
7537 |
gen_load_fpr64(ctx, fp1, ft); |
7538 |
gen_load_fpr64(ctx, fp2, fr); |
7539 |
gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2); |
7540 |
tcg_temp_free_i64(fp0); |
7541 |
tcg_temp_free_i64(fp1); |
7542 |
gen_store_fpr64(ctx, fp2, fd); |
7543 |
tcg_temp_free_i64(fp2); |
7544 |
} |
7545 |
opn = "nmadd.d";
|
7546 |
break;
|
7547 |
case OPC_NMADD_PS:
|
7548 |
check_cp1_64bitmode(ctx); |
7549 |
{ |
7550 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7551 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7552 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7553 |
|
7554 |
gen_load_fpr64(ctx, fp0, fs); |
7555 |
gen_load_fpr64(ctx, fp1, ft); |
7556 |
gen_load_fpr64(ctx, fp2, fr); |
7557 |
gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2); |
7558 |
tcg_temp_free_i64(fp0); |
7559 |
tcg_temp_free_i64(fp1); |
7560 |
gen_store_fpr64(ctx, fp2, fd); |
7561 |
tcg_temp_free_i64(fp2); |
7562 |
} |
7563 |
opn = "nmadd.ps";
|
7564 |
break;
|
7565 |
case OPC_NMSUB_S:
|
7566 |
check_cop1x(ctx); |
7567 |
{ |
7568 |
TCGv_i32 fp0 = tcg_temp_new_i32(); |
7569 |
TCGv_i32 fp1 = tcg_temp_new_i32(); |
7570 |
TCGv_i32 fp2 = tcg_temp_new_i32(); |
7571 |
|
7572 |
gen_load_fpr32(fp0, fs); |
7573 |
gen_load_fpr32(fp1, ft); |
7574 |
gen_load_fpr32(fp2, fr); |
7575 |
gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2); |
7576 |
tcg_temp_free_i32(fp0); |
7577 |
tcg_temp_free_i32(fp1); |
7578 |
gen_store_fpr32(fp2, fd); |
7579 |
tcg_temp_free_i32(fp2); |
7580 |
} |
7581 |
opn = "nmsub.s";
|
7582 |
break;
|
7583 |
case OPC_NMSUB_D:
|
7584 |
check_cop1x(ctx); |
7585 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
7586 |
{ |
7587 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7588 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7589 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7590 |
|
7591 |
gen_load_fpr64(ctx, fp0, fs); |
7592 |
gen_load_fpr64(ctx, fp1, ft); |
7593 |
gen_load_fpr64(ctx, fp2, fr); |
7594 |
gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2); |
7595 |
tcg_temp_free_i64(fp0); |
7596 |
tcg_temp_free_i64(fp1); |
7597 |
gen_store_fpr64(ctx, fp2, fd); |
7598 |
tcg_temp_free_i64(fp2); |
7599 |
} |
7600 |
opn = "nmsub.d";
|
7601 |
break;
|
7602 |
case OPC_NMSUB_PS:
|
7603 |
check_cp1_64bitmode(ctx); |
7604 |
{ |
7605 |
TCGv_i64 fp0 = tcg_temp_new_i64(); |
7606 |
TCGv_i64 fp1 = tcg_temp_new_i64(); |
7607 |
TCGv_i64 fp2 = tcg_temp_new_i64(); |
7608 |
|
7609 |
gen_load_fpr64(ctx, fp0, fs); |
7610 |
gen_load_fpr64(ctx, fp1, ft); |
7611 |
gen_load_fpr64(ctx, fp2, fr); |
7612 |
gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2); |
7613 |
tcg_temp_free_i64(fp0); |
7614 |
tcg_temp_free_i64(fp1); |
7615 |
gen_store_fpr64(ctx, fp2, fd); |
7616 |
tcg_temp_free_i64(fp2); |
7617 |
} |
7618 |
opn = "nmsub.ps";
|
7619 |
break;
|
7620 |
default:
|
7621 |
MIPS_INVAL(opn); |
7622 |
generate_exception (ctx, EXCP_RI); |
7623 |
return;
|
7624 |
} |
7625 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
7626 |
fregnames[fs], fregnames[ft]); |
7627 |
} |
7628 |
|
7629 |
/* ISA extensions (ASEs) */
|
7630 |
/* MIPS16 extension to MIPS32 */
|
7631 |
/* SmartMIPS extension to MIPS32 */
|
7632 |
|
7633 |
#if defined(TARGET_MIPS64)
|
7634 |
|
7635 |
/* MDMX extension to MIPS64 */
|
7636 |
|
7637 |
#endif
|
7638 |
|
7639 |
static void decode_opc (CPUState *env, DisasContext *ctx) |
7640 |
{ |
7641 |
int32_t offset; |
7642 |
int rs, rt, rd, sa;
|
7643 |
uint32_t op, op1, op2; |
7644 |
int16_t imm; |
7645 |
|
7646 |
/* make sure instructions are on a word boundary */
|
7647 |
if (ctx->pc & 0x3) { |
7648 |
env->CP0_BadVAddr = ctx->pc; |
7649 |
generate_exception(ctx, EXCP_AdEL); |
7650 |
return;
|
7651 |
} |
7652 |
|
7653 |
/* Handle blikely not taken case */
|
7654 |
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
|
7655 |
int l1 = gen_new_label();
|
7656 |
|
7657 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
7658 |
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
|
7659 |
tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); |
7660 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
7661 |
gen_set_label(l1); |
7662 |
} |
7663 |
|
7664 |
if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
|
7665 |
tcg_gen_debug_insn_start(ctx->pc); |
7666 |
|
7667 |
op = MASK_OP_MAJOR(ctx->opcode); |
7668 |
rs = (ctx->opcode >> 21) & 0x1f; |
7669 |
rt = (ctx->opcode >> 16) & 0x1f; |
7670 |
rd = (ctx->opcode >> 11) & 0x1f; |
7671 |
sa = (ctx->opcode >> 6) & 0x1f; |
7672 |
imm = (int16_t)ctx->opcode; |
7673 |
switch (op) {
|
7674 |
case OPC_SPECIAL:
|
7675 |
op1 = MASK_SPECIAL(ctx->opcode); |
7676 |
switch (op1) {
|
7677 |
case OPC_SLL: /* Shift with immediate */ |
7678 |
case OPC_SRA:
|
7679 |
case OPC_SRL:
|
7680 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
7681 |
break;
|
7682 |
case OPC_MOVN: /* Conditional move */ |
7683 |
case OPC_MOVZ:
|
7684 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
7685 |
gen_cond_move(env, op1, rd, rs, rt); |
7686 |
break;
|
7687 |
case OPC_ADD ... OPC_SUBU:
|
7688 |
gen_arith(env, ctx, op1, rd, rs, rt); |
7689 |
break;
|
7690 |
case OPC_SLLV: /* Shifts */ |
7691 |
case OPC_SRLV:
|
7692 |
case OPC_SRAV:
|
7693 |
gen_shift(env, ctx, op1, rd, rs, rt); |
7694 |
break;
|
7695 |
case OPC_SLT: /* Set on less than */ |
7696 |
case OPC_SLTU:
|
7697 |
gen_slt(env, op1, rd, rs, rt); |
7698 |
break;
|
7699 |
case OPC_AND: /* Logic*/ |
7700 |
case OPC_OR:
|
7701 |
case OPC_NOR:
|
7702 |
case OPC_XOR:
|
7703 |
gen_logic(env, op1, rd, rs, rt); |
7704 |
break;
|
7705 |
case OPC_MULT ... OPC_DIVU:
|
7706 |
if (sa) {
|
7707 |
check_insn(env, ctx, INSN_VR54XX); |
7708 |
op1 = MASK_MUL_VR54XX(ctx->opcode); |
7709 |
gen_mul_vr54xx(ctx, op1, rd, rs, rt); |
7710 |
} else
|
7711 |
gen_muldiv(ctx, op1, rs, rt); |
7712 |
break;
|
7713 |
case OPC_JR ... OPC_JALR:
|
7714 |
gen_compute_branch(ctx, op1, rs, rd, sa); |
7715 |
return;
|
7716 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
7717 |
case OPC_TNE:
|
7718 |
gen_trap(ctx, op1, rs, rt, -1);
|
7719 |
break;
|
7720 |
case OPC_MFHI: /* Move from HI/LO */ |
7721 |
case OPC_MFLO:
|
7722 |
gen_HILO(ctx, op1, rd); |
7723 |
break;
|
7724 |
case OPC_MTHI:
|
7725 |
case OPC_MTLO: /* Move to HI/LO */ |
7726 |
gen_HILO(ctx, op1, rs); |
7727 |
break;
|
7728 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
7729 |
#ifdef MIPS_STRICT_STANDARD
|
7730 |
MIPS_INVAL("PMON / selsl");
|
7731 |
generate_exception(ctx, EXCP_RI); |
7732 |
#else
|
7733 |
gen_helper_0i(pmon, sa); |
7734 |
#endif
|
7735 |
break;
|
7736 |
case OPC_SYSCALL:
|
7737 |
generate_exception(ctx, EXCP_SYSCALL); |
7738 |
ctx->bstate = BS_STOP; |
7739 |
break;
|
7740 |
case OPC_BREAK:
|
7741 |
generate_exception(ctx, EXCP_BREAK); |
7742 |
break;
|
7743 |
case OPC_SPIM:
|
7744 |
#ifdef MIPS_STRICT_STANDARD
|
7745 |
MIPS_INVAL("SPIM");
|
7746 |
generate_exception(ctx, EXCP_RI); |
7747 |
#else
|
7748 |
/* Implemented as RI exception for now. */
|
7749 |
MIPS_INVAL("spim (unofficial)");
|
7750 |
generate_exception(ctx, EXCP_RI); |
7751 |
#endif
|
7752 |
break;
|
7753 |
case OPC_SYNC:
|
7754 |
/* Treat as NOP. */
|
7755 |
break;
|
7756 |
|
7757 |
case OPC_MOVCI:
|
7758 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
7759 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
7760 |
check_cp1_enabled(ctx); |
7761 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
7762 |
(ctx->opcode >> 16) & 1); |
7763 |
} else {
|
7764 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
7765 |
} |
7766 |
break;
|
7767 |
|
7768 |
#if defined(TARGET_MIPS64)
|
7769 |
/* MIPS64 specific opcodes */
|
7770 |
case OPC_DSLL:
|
7771 |
case OPC_DSRA:
|
7772 |
case OPC_DSRL:
|
7773 |
case OPC_DSLL32:
|
7774 |
case OPC_DSRA32:
|
7775 |
case OPC_DSRL32:
|
7776 |
check_insn(env, ctx, ISA_MIPS3); |
7777 |
check_mips_64(ctx); |
7778 |
gen_shift_imm(env, ctx, op1, rd, rt, sa); |
7779 |
break;
|
7780 |
case OPC_DADD ... OPC_DSUBU:
|
7781 |
check_insn(env, ctx, ISA_MIPS3); |
7782 |
check_mips_64(ctx); |
7783 |
gen_arith(env, ctx, op1, rd, rs, rt); |
7784 |
break;
|
7785 |
case OPC_DSLLV:
|
7786 |
case OPC_DSRAV:
|
7787 |
case OPC_DSRLV:
|
7788 |
check_insn(env, ctx, ISA_MIPS3); |
7789 |
check_mips_64(ctx); |
7790 |
gen_shift(env, ctx, op1, rd, rs, rt); |
7791 |
break;
|
7792 |
case OPC_DMULT ... OPC_DDIVU:
|
7793 |
check_insn(env, ctx, ISA_MIPS3); |
7794 |
check_mips_64(ctx); |
7795 |
gen_muldiv(ctx, op1, rs, rt); |
7796 |
break;
|
7797 |
#endif
|
7798 |
default: /* Invalid */ |
7799 |
MIPS_INVAL("special");
|
7800 |
generate_exception(ctx, EXCP_RI); |
7801 |
break;
|
7802 |
} |
7803 |
break;
|
7804 |
case OPC_SPECIAL2:
|
7805 |
op1 = MASK_SPECIAL2(ctx->opcode); |
7806 |
switch (op1) {
|
7807 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
7808 |
case OPC_MSUB ... OPC_MSUBU:
|
7809 |
check_insn(env, ctx, ISA_MIPS32); |
7810 |
gen_muldiv(ctx, op1, rs, rt); |
7811 |
break;
|
7812 |
case OPC_MUL:
|
7813 |
gen_arith(env, ctx, op1, rd, rs, rt); |
7814 |
break;
|
7815 |
case OPC_CLO:
|
7816 |
case OPC_CLZ:
|
7817 |
check_insn(env, ctx, ISA_MIPS32); |
7818 |
gen_cl(ctx, op1, rd, rs); |
7819 |
break;
|
7820 |
case OPC_SDBBP:
|
7821 |
/* XXX: not clear which exception should be raised
|
7822 |
* when in debug mode...
|
7823 |
*/
|
7824 |
check_insn(env, ctx, ISA_MIPS32); |
7825 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
7826 |
generate_exception(ctx, EXCP_DBp); |
7827 |
} else {
|
7828 |
generate_exception(ctx, EXCP_DBp); |
7829 |
} |
7830 |
/* Treat as NOP. */
|
7831 |
break;
|
7832 |
#if defined(TARGET_MIPS64)
|
7833 |
case OPC_DCLO:
|
7834 |
case OPC_DCLZ:
|
7835 |
check_insn(env, ctx, ISA_MIPS64); |
7836 |
check_mips_64(ctx); |
7837 |
gen_cl(ctx, op1, rd, rs); |
7838 |
break;
|
7839 |
#endif
|
7840 |
default: /* Invalid */ |
7841 |
MIPS_INVAL("special2");
|
7842 |
generate_exception(ctx, EXCP_RI); |
7843 |
break;
|
7844 |
} |
7845 |
break;
|
7846 |
case OPC_SPECIAL3:
|
7847 |
op1 = MASK_SPECIAL3(ctx->opcode); |
7848 |
switch (op1) {
|
7849 |
case OPC_EXT:
|
7850 |
case OPC_INS:
|
7851 |
check_insn(env, ctx, ISA_MIPS32R2); |
7852 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
7853 |
break;
|
7854 |
case OPC_BSHFL:
|
7855 |
check_insn(env, ctx, ISA_MIPS32R2); |
7856 |
op2 = MASK_BSHFL(ctx->opcode); |
7857 |
gen_bshfl(ctx, op2, rt, rd); |
7858 |
break;
|
7859 |
case OPC_RDHWR:
|
7860 |
check_insn(env, ctx, ISA_MIPS32R2); |
7861 |
{ |
7862 |
TCGv t0 = tcg_temp_new(); |
7863 |
|
7864 |
switch (rd) {
|
7865 |
case 0: |
7866 |
save_cpu_state(ctx, 1);
|
7867 |
gen_helper_rdhwr_cpunum(t0); |
7868 |
gen_store_gpr(t0, rt); |
7869 |
break;
|
7870 |
case 1: |
7871 |
save_cpu_state(ctx, 1);
|
7872 |
gen_helper_rdhwr_synci_step(t0); |
7873 |
gen_store_gpr(t0, rt); |
7874 |
break;
|
7875 |
case 2: |
7876 |
save_cpu_state(ctx, 1);
|
7877 |
gen_helper_rdhwr_cc(t0); |
7878 |
gen_store_gpr(t0, rt); |
7879 |
break;
|
7880 |
case 3: |
7881 |
save_cpu_state(ctx, 1);
|
7882 |
gen_helper_rdhwr_ccres(t0); |
7883 |
gen_store_gpr(t0, rt); |
7884 |
break;
|
7885 |
case 29: |
7886 |
#if defined(CONFIG_USER_ONLY)
|
7887 |
tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value)); |
7888 |
gen_store_gpr(t0, rt); |
7889 |
break;
|
7890 |
#else
|
7891 |
/* XXX: Some CPUs implement this in hardware.
|
7892 |
Not supported yet. */
|
7893 |
#endif
|
7894 |
default: /* Invalid */ |
7895 |
MIPS_INVAL("rdhwr");
|
7896 |
generate_exception(ctx, EXCP_RI); |
7897 |
break;
|
7898 |
} |
7899 |
tcg_temp_free(t0); |
7900 |
} |
7901 |
break;
|
7902 |
case OPC_FORK:
|
7903 |
check_insn(env, ctx, ASE_MT); |
7904 |
{ |
7905 |
TCGv t0 = tcg_temp_new(); |
7906 |
TCGv t1 = tcg_temp_new(); |
7907 |
|
7908 |
gen_load_gpr(t0, rt); |
7909 |
gen_load_gpr(t1, rs); |
7910 |
gen_helper_fork(t0, t1); |
7911 |
tcg_temp_free(t0); |
7912 |
tcg_temp_free(t1); |
7913 |
} |
7914 |
break;
|
7915 |
case OPC_YIELD:
|
7916 |
check_insn(env, ctx, ASE_MT); |
7917 |
{ |
7918 |
TCGv t0 = tcg_temp_new(); |
7919 |
|
7920 |
save_cpu_state(ctx, 1);
|
7921 |
gen_load_gpr(t0, rs); |
7922 |
gen_helper_yield(t0, t0); |
7923 |
gen_store_gpr(t0, rd); |
7924 |
tcg_temp_free(t0); |
7925 |
} |
7926 |
break;
|
7927 |
#if defined(TARGET_MIPS64)
|
7928 |
case OPC_DEXTM ... OPC_DEXT:
|
7929 |
case OPC_DINSM ... OPC_DINS:
|
7930 |
check_insn(env, ctx, ISA_MIPS64R2); |
7931 |
check_mips_64(ctx); |
7932 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
7933 |
break;
|
7934 |
case OPC_DBSHFL:
|
7935 |
check_insn(env, ctx, ISA_MIPS64R2); |
7936 |
check_mips_64(ctx); |
7937 |
op2 = MASK_DBSHFL(ctx->opcode); |
7938 |
gen_bshfl(ctx, op2, rt, rd); |
7939 |
break;
|
7940 |
#endif
|
7941 |
default: /* Invalid */ |
7942 |
MIPS_INVAL("special3");
|
7943 |
generate_exception(ctx, EXCP_RI); |
7944 |
break;
|
7945 |
} |
7946 |
break;
|
7947 |
case OPC_REGIMM:
|
7948 |
op1 = MASK_REGIMM(ctx->opcode); |
7949 |
switch (op1) {
|
7950 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
7951 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
7952 |
gen_compute_branch(ctx, op1, rs, -1, imm << 2); |
7953 |
return;
|
7954 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
7955 |
case OPC_TNEI:
|
7956 |
gen_trap(ctx, op1, rs, -1, imm);
|
7957 |
break;
|
7958 |
case OPC_SYNCI:
|
7959 |
check_insn(env, ctx, ISA_MIPS32R2); |
7960 |
/* Treat as NOP. */
|
7961 |
break;
|
7962 |
default: /* Invalid */ |
7963 |
MIPS_INVAL("regimm");
|
7964 |
generate_exception(ctx, EXCP_RI); |
7965 |
break;
|
7966 |
} |
7967 |
break;
|
7968 |
case OPC_CP0:
|
7969 |
check_cp0_enabled(ctx); |
7970 |
op1 = MASK_CP0(ctx->opcode); |
7971 |
switch (op1) {
|
7972 |
case OPC_MFC0:
|
7973 |
case OPC_MTC0:
|
7974 |
case OPC_MFTR:
|
7975 |
case OPC_MTTR:
|
7976 |
#if defined(TARGET_MIPS64)
|
7977 |
case OPC_DMFC0:
|
7978 |
case OPC_DMTC0:
|
7979 |
#endif
|
7980 |
#ifndef CONFIG_USER_ONLY
|
7981 |
gen_cp0(env, ctx, op1, rt, rd); |
7982 |
#endif /* !CONFIG_USER_ONLY */ |
7983 |
break;
|
7984 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
7985 |
#ifndef CONFIG_USER_ONLY
|
7986 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
7987 |
#endif /* !CONFIG_USER_ONLY */ |
7988 |
break;
|
7989 |
case OPC_MFMC0:
|
7990 |
#ifndef CONFIG_USER_ONLY
|
7991 |
{ |
7992 |
TCGv t0 = tcg_temp_new(); |
7993 |
|
7994 |
op2 = MASK_MFMC0(ctx->opcode); |
7995 |
switch (op2) {
|
7996 |
case OPC_DMT:
|
7997 |
check_insn(env, ctx, ASE_MT); |
7998 |
gen_helper_dmt(t0, t0); |
7999 |
gen_store_gpr(t0, rt); |
8000 |
break;
|
8001 |
case OPC_EMT:
|
8002 |
check_insn(env, ctx, ASE_MT); |
8003 |
gen_helper_emt(t0, t0); |
8004 |
gen_store_gpr(t0, rt); |
8005 |
break;
|
8006 |
case OPC_DVPE:
|
8007 |
check_insn(env, ctx, ASE_MT); |
8008 |
gen_helper_dvpe(t0, t0); |
8009 |
gen_store_gpr(t0, rt); |
8010 |
break;
|
8011 |
case OPC_EVPE:
|
8012 |
check_insn(env, ctx, ASE_MT); |
8013 |
gen_helper_evpe(t0, t0); |
8014 |
gen_store_gpr(t0, rt); |
8015 |
break;
|
8016 |
case OPC_DI:
|
8017 |
check_insn(env, ctx, ISA_MIPS32R2); |
8018 |
save_cpu_state(ctx, 1);
|
8019 |
gen_helper_di(t0); |
8020 |
gen_store_gpr(t0, rt); |
8021 |
/* Stop translation as we may have switched the execution mode */
|
8022 |
ctx->bstate = BS_STOP; |
8023 |
break;
|
8024 |
case OPC_EI:
|
8025 |
check_insn(env, ctx, ISA_MIPS32R2); |
8026 |
save_cpu_state(ctx, 1);
|
8027 |
gen_helper_ei(t0); |
8028 |
gen_store_gpr(t0, rt); |
8029 |
/* Stop translation as we may have switched the execution mode */
|
8030 |
ctx->bstate = BS_STOP; |
8031 |
break;
|
8032 |
default: /* Invalid */ |
8033 |
MIPS_INVAL("mfmc0");
|
8034 |
generate_exception(ctx, EXCP_RI); |
8035 |
break;
|
8036 |
} |
8037 |
tcg_temp_free(t0); |
8038 |
} |
8039 |
#endif /* !CONFIG_USER_ONLY */ |
8040 |
break;
|
8041 |
case OPC_RDPGPR:
|
8042 |
check_insn(env, ctx, ISA_MIPS32R2); |
8043 |
gen_load_srsgpr(rt, rd); |
8044 |
break;
|
8045 |
case OPC_WRPGPR:
|
8046 |
check_insn(env, ctx, ISA_MIPS32R2); |
8047 |
gen_store_srsgpr(rt, rd); |
8048 |
break;
|
8049 |
default:
|
8050 |
MIPS_INVAL("cp0");
|
8051 |
generate_exception(ctx, EXCP_RI); |
8052 |
break;
|
8053 |
} |
8054 |
break;
|
8055 |
case OPC_ADDI: /* Arithmetic with immediate opcode */ |
8056 |
case OPC_ADDIU:
|
8057 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
8058 |
break;
|
8059 |
case OPC_SLTI: /* Set on less than with immediate opcode */ |
8060 |
case OPC_SLTIU:
|
8061 |
gen_slt_imm(env, op, rt, rs, imm); |
8062 |
break;
|
8063 |
case OPC_ANDI: /* Arithmetic with immediate opcode */ |
8064 |
case OPC_LUI:
|
8065 |
case OPC_ORI:
|
8066 |
case OPC_XORI:
|
8067 |
gen_logic_imm(env, op, rt, rs, imm); |
8068 |
break;
|
8069 |
case OPC_J ... OPC_JAL: /* Jump */ |
8070 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
8071 |
gen_compute_branch(ctx, op, rs, rt, offset); |
8072 |
return;
|
8073 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
8074 |
case OPC_BEQL ... OPC_BGTZL:
|
8075 |
gen_compute_branch(ctx, op, rs, rt, imm << 2);
|
8076 |
return;
|
8077 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
8078 |
case OPC_SB ... OPC_SW:
|
8079 |
case OPC_SWR:
|
8080 |
case OPC_LL:
|
8081 |
gen_ldst(ctx, op, rt, rs, imm); |
8082 |
break;
|
8083 |
case OPC_SC:
|
8084 |
gen_st_cond(ctx, op, rt, rs, imm); |
8085 |
break;
|
8086 |
case OPC_CACHE:
|
8087 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
8088 |
/* Treat as NOP. */
|
8089 |
break;
|
8090 |
case OPC_PREF:
|
8091 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
8092 |
/* Treat as NOP. */
|
8093 |
break;
|
8094 |
|
8095 |
/* Floating point (COP1). */
|
8096 |
case OPC_LWC1:
|
8097 |
case OPC_LDC1:
|
8098 |
case OPC_SWC1:
|
8099 |
case OPC_SDC1:
|
8100 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
8101 |
check_cp1_enabled(ctx); |
8102 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
8103 |
} else {
|
8104 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
8105 |
} |
8106 |
break;
|
8107 |
|
8108 |
case OPC_CP1:
|
8109 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
8110 |
check_cp1_enabled(ctx); |
8111 |
op1 = MASK_CP1(ctx->opcode); |
8112 |
switch (op1) {
|
8113 |
case OPC_MFHC1:
|
8114 |
case OPC_MTHC1:
|
8115 |
check_insn(env, ctx, ISA_MIPS32R2); |
8116 |
case OPC_MFC1:
|
8117 |
case OPC_CFC1:
|
8118 |
case OPC_MTC1:
|
8119 |
case OPC_CTC1:
|
8120 |
gen_cp1(ctx, op1, rt, rd); |
8121 |
break;
|
8122 |
#if defined(TARGET_MIPS64)
|
8123 |
case OPC_DMFC1:
|
8124 |
case OPC_DMTC1:
|
8125 |
check_insn(env, ctx, ISA_MIPS3); |
8126 |
gen_cp1(ctx, op1, rt, rd); |
8127 |
break;
|
8128 |
#endif
|
8129 |
case OPC_BC1ANY2:
|
8130 |
case OPC_BC1ANY4:
|
8131 |
check_cop1x(ctx); |
8132 |
check_insn(env, ctx, ASE_MIPS3D); |
8133 |
/* fall through */
|
8134 |
case OPC_BC1:
|
8135 |
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
8136 |
(rt >> 2) & 0x7, imm << 2); |
8137 |
return;
|
8138 |
case OPC_S_FMT:
|
8139 |
case OPC_D_FMT:
|
8140 |
case OPC_W_FMT:
|
8141 |
case OPC_L_FMT:
|
8142 |
case OPC_PS_FMT:
|
8143 |
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, |
8144 |
(imm >> 8) & 0x7); |
8145 |
break;
|
8146 |
default:
|
8147 |
MIPS_INVAL("cp1");
|
8148 |
generate_exception (ctx, EXCP_RI); |
8149 |
break;
|
8150 |
} |
8151 |
} else {
|
8152 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
8153 |
} |
8154 |
break;
|
8155 |
|
8156 |
/* COP2. */
|
8157 |
case OPC_LWC2:
|
8158 |
case OPC_LDC2:
|
8159 |
case OPC_SWC2:
|
8160 |
case OPC_SDC2:
|
8161 |
case OPC_CP2:
|
8162 |
/* COP2: Not implemented. */
|
8163 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
8164 |
break;
|
8165 |
|
8166 |
case OPC_CP3:
|
8167 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
8168 |
check_cp1_enabled(ctx); |
8169 |
op1 = MASK_CP3(ctx->opcode); |
8170 |
switch (op1) {
|
8171 |
case OPC_LWXC1:
|
8172 |
case OPC_LDXC1:
|
8173 |
case OPC_LUXC1:
|
8174 |
case OPC_SWXC1:
|
8175 |
case OPC_SDXC1:
|
8176 |
case OPC_SUXC1:
|
8177 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
8178 |
break;
|
8179 |
case OPC_PREFX:
|
8180 |
/* Treat as NOP. */
|
8181 |
break;
|
8182 |
case OPC_ALNV_PS:
|
8183 |
case OPC_MADD_S:
|
8184 |
case OPC_MADD_D:
|
8185 |
case OPC_MADD_PS:
|
8186 |
case OPC_MSUB_S:
|
8187 |
case OPC_MSUB_D:
|
8188 |
case OPC_MSUB_PS:
|
8189 |
case OPC_NMADD_S:
|
8190 |
case OPC_NMADD_D:
|
8191 |
case OPC_NMADD_PS:
|
8192 |
case OPC_NMSUB_S:
|
8193 |
case OPC_NMSUB_D:
|
8194 |
case OPC_NMSUB_PS:
|
8195 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
8196 |
break;
|
8197 |
default:
|
8198 |
MIPS_INVAL("cp3");
|
8199 |
generate_exception (ctx, EXCP_RI); |
8200 |
break;
|
8201 |
} |
8202 |
} else {
|
8203 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
8204 |
} |
8205 |
break;
|
8206 |
|
8207 |
#if defined(TARGET_MIPS64)
|
8208 |
/* MIPS64 opcodes */
|
8209 |
case OPC_LWU:
|
8210 |
case OPC_LDL ... OPC_LDR:
|
8211 |
case OPC_SDL ... OPC_SDR:
|
8212 |
case OPC_LLD:
|
8213 |
case OPC_LD:
|
8214 |
case OPC_SD:
|
8215 |
check_insn(env, ctx, ISA_MIPS3); |
8216 |
check_mips_64(ctx); |
8217 |
gen_ldst(ctx, op, rt, rs, imm); |
8218 |
break;
|
8219 |
case OPC_SCD:
|
8220 |
check_insn(env, ctx, ISA_MIPS3); |
8221 |
check_mips_64(ctx); |
8222 |
gen_st_cond(ctx, op, rt, rs, imm); |
8223 |
break;
|
8224 |
case OPC_DADDI:
|
8225 |
case OPC_DADDIU:
|
8226 |
check_insn(env, ctx, ISA_MIPS3); |
8227 |
check_mips_64(ctx); |
8228 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
8229 |
break;
|
8230 |
#endif
|
8231 |
case OPC_JALX:
|
8232 |
check_insn(env, ctx, ASE_MIPS16); |
8233 |
/* MIPS16: Not implemented. */
|
8234 |
case OPC_MDMX:
|
8235 |
check_insn(env, ctx, ASE_MDMX); |
8236 |
/* MDMX: Not implemented. */
|
8237 |
default: /* Invalid */ |
8238 |
MIPS_INVAL("major opcode");
|
8239 |
generate_exception(ctx, EXCP_RI); |
8240 |
break;
|
8241 |
} |
8242 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
8243 |
int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
8244 |
/* Branches completion */
|
8245 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
8246 |
ctx->bstate = BS_BRANCH; |
8247 |
save_cpu_state(ctx, 0);
|
8248 |
/* FIXME: Need to clear can_do_io. */
|
8249 |
switch (hflags) {
|
8250 |
case MIPS_HFLAG_B:
|
8251 |
/* unconditional branch */
|
8252 |
MIPS_DEBUG("unconditional branch");
|
8253 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
8254 |
break;
|
8255 |
case MIPS_HFLAG_BL:
|
8256 |
/* blikely taken case */
|
8257 |
MIPS_DEBUG("blikely branch taken");
|
8258 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
8259 |
break;
|
8260 |
case MIPS_HFLAG_BC:
|
8261 |
/* Conditional branch */
|
8262 |
MIPS_DEBUG("conditional branch");
|
8263 |
{ |
8264 |
int l1 = gen_new_label();
|
8265 |
|
8266 |
tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
|
8267 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
8268 |
gen_set_label(l1); |
8269 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
8270 |
} |
8271 |
break;
|
8272 |
case MIPS_HFLAG_BR:
|
8273 |
/* unconditional branch to register */
|
8274 |
MIPS_DEBUG("branch to register");
|
8275 |
tcg_gen_mov_tl(cpu_PC, btarget); |
8276 |
if (ctx->singlestep_enabled) {
|
8277 |
save_cpu_state(ctx, 0);
|
8278 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
8279 |
} |
8280 |
tcg_gen_exit_tb(0);
|
8281 |
break;
|
8282 |
default:
|
8283 |
MIPS_DEBUG("unknown branch");
|
8284 |
break;
|
8285 |
} |
8286 |
} |
8287 |
} |
8288 |
|
8289 |
static inline void |
8290 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
8291 |
int search_pc)
|
8292 |
{ |
8293 |
DisasContext ctx; |
8294 |
target_ulong pc_start; |
8295 |
uint16_t *gen_opc_end; |
8296 |
CPUBreakpoint *bp; |
8297 |
int j, lj = -1; |
8298 |
int num_insns;
|
8299 |
int max_insns;
|
8300 |
|
8301 |
if (search_pc)
|
8302 |
qemu_log("search pc %d\n", search_pc);
|
8303 |
|
8304 |
pc_start = tb->pc; |
8305 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
8306 |
ctx.pc = pc_start; |
8307 |
ctx.saved_pc = -1;
|
8308 |
ctx.singlestep_enabled = env->singlestep_enabled; |
8309 |
ctx.tb = tb; |
8310 |
ctx.bstate = BS_NONE; |
8311 |
/* Restore delay slot state from the tb context. */
|
8312 |
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
|
8313 |
restore_cpu_state(env, &ctx); |
8314 |
#ifdef CONFIG_USER_ONLY
|
8315 |
ctx.mem_idx = MIPS_HFLAG_UM; |
8316 |
#else
|
8317 |
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
8318 |
#endif
|
8319 |
num_insns = 0;
|
8320 |
max_insns = tb->cflags & CF_COUNT_MASK; |
8321 |
if (max_insns == 0) |
8322 |
max_insns = CF_COUNT_MASK; |
8323 |
#ifdef DEBUG_DISAS
|
8324 |
qemu_log_mask(CPU_LOG_TB_CPU, "------------------------------------------------\n");
|
8325 |
/* FIXME: This may print out stale hflags from env... */
|
8326 |
log_cpu_state_mask(CPU_LOG_TB_CPU, env, 0);
|
8327 |
#endif
|
8328 |
LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
|
8329 |
gen_icount_start(); |
8330 |
while (ctx.bstate == BS_NONE) {
|
8331 |
if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
|
8332 |
QTAILQ_FOREACH(bp, &env->breakpoints, entry) { |
8333 |
if (bp->pc == ctx.pc) {
|
8334 |
save_cpu_state(&ctx, 1);
|
8335 |
ctx.bstate = BS_BRANCH; |
8336 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
8337 |
/* Include the breakpoint location or the tb won't
|
8338 |
* be flushed when it must be. */
|
8339 |
ctx.pc += 4;
|
8340 |
goto done_generating;
|
8341 |
} |
8342 |
} |
8343 |
} |
8344 |
|
8345 |
if (search_pc) {
|
8346 |
j = gen_opc_ptr - gen_opc_buf; |
8347 |
if (lj < j) {
|
8348 |
lj++; |
8349 |
while (lj < j)
|
8350 |
gen_opc_instr_start[lj++] = 0;
|
8351 |
} |
8352 |
gen_opc_pc[lj] = ctx.pc; |
8353 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
8354 |
gen_opc_instr_start[lj] = 1;
|
8355 |
gen_opc_icount[lj] = num_insns; |
8356 |
} |
8357 |
if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO)) |
8358 |
gen_io_start(); |
8359 |
ctx.opcode = ldl_code(ctx.pc); |
8360 |
decode_opc(env, &ctx); |
8361 |
ctx.pc += 4;
|
8362 |
num_insns++; |
8363 |
|
8364 |
/* Execute a branch and its delay slot as a single instruction.
|
8365 |
This is what GDB expects and is consistent with what the
|
8366 |
hardware does (e.g. if a delay slot instruction faults, the
|
8367 |
reported PC is the PC of the branch). */
|
8368 |
if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0) |
8369 |
break;
|
8370 |
|
8371 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
8372 |
break;
|
8373 |
|
8374 |
if (gen_opc_ptr >= gen_opc_end)
|
8375 |
break;
|
8376 |
|
8377 |
if (num_insns >= max_insns)
|
8378 |
break;
|
8379 |
|
8380 |
if (singlestep)
|
8381 |
break;
|
8382 |
} |
8383 |
if (tb->cflags & CF_LAST_IO)
|
8384 |
gen_io_end(); |
8385 |
if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) {
|
8386 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
8387 |
gen_helper_0i(raise_exception, EXCP_DEBUG); |
8388 |
} else {
|
8389 |
switch (ctx.bstate) {
|
8390 |
case BS_STOP:
|
8391 |
gen_helper_interrupt_restart(); |
8392 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
8393 |
break;
|
8394 |
case BS_NONE:
|
8395 |
save_cpu_state(&ctx, 0);
|
8396 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
8397 |
break;
|
8398 |
case BS_EXCP:
|
8399 |
gen_helper_interrupt_restart(); |
8400 |
tcg_gen_exit_tb(0);
|
8401 |
break;
|
8402 |
case BS_BRANCH:
|
8403 |
default:
|
8404 |
break;
|
8405 |
} |
8406 |
} |
8407 |
done_generating:
|
8408 |
gen_icount_end(tb, num_insns); |
8409 |
*gen_opc_ptr = INDEX_op_end; |
8410 |
if (search_pc) {
|
8411 |
j = gen_opc_ptr - gen_opc_buf; |
8412 |
lj++; |
8413 |
while (lj <= j)
|
8414 |
gen_opc_instr_start[lj++] = 0;
|
8415 |
} else {
|
8416 |
tb->size = ctx.pc - pc_start; |
8417 |
tb->icount = num_insns; |
8418 |
} |
8419 |
#ifdef DEBUG_DISAS
|
8420 |
LOG_DISAS("\n");
|
8421 |
if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
|
8422 |
qemu_log("IN: %s\n", lookup_symbol(pc_start));
|
8423 |
log_target_disas(pc_start, ctx.pc - pc_start, 0);
|
8424 |
qemu_log("\n");
|
8425 |
} |
8426 |
qemu_log_mask(CPU_LOG_TB_CPU, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
|
8427 |
#endif
|
8428 |
} |
8429 |
|
8430 |
void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
8431 |
{ |
8432 |
gen_intermediate_code_internal(env, tb, 0);
|
8433 |
} |
8434 |
|
8435 |
void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
8436 |
{ |
8437 |
gen_intermediate_code_internal(env, tb, 1);
|
8438 |
} |
8439 |
|
8440 |
static void fpu_dump_state(CPUState *env, FILE *f, |
8441 |
int (*fpu_fprintf)(FILE *f, const char *fmt, ...), |
8442 |
int flags)
|
8443 |
{ |
8444 |
int i;
|
8445 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
8446 |
|
8447 |
#define printfpr(fp) \
|
8448 |
do { \
|
8449 |
if (is_fpu64) \
|
8450 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
|
8451 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ |
8452 |
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ |
8453 |
else { \
|
8454 |
fpr_t tmp; \ |
8455 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
8456 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
8457 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
|
8458 |
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ |
8459 |
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ |
8460 |
} \ |
8461 |
} while(0) |
8462 |
|
8463 |
|
8464 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
|
8465 |
env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64, env->active_fpu.fp_status, |
8466 |
get_float_exception_flags(&env->active_fpu.fp_status)); |
8467 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
8468 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
8469 |
printfpr(&env->active_fpu.fpr[i]); |
8470 |
} |
8471 |
|
8472 |
#undef printfpr
|
8473 |
} |
8474 |
|
8475 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
8476 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
8477 |
sign-extended values on 64bit machines. */
|
8478 |
|
8479 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
8480 |
|
8481 |
static void |
8482 |
cpu_mips_check_sign_extensions (CPUState *env, FILE *f, |
8483 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
8484 |
int flags)
|
8485 |
{ |
8486 |
int i;
|
8487 |
|
8488 |
if (!SIGN_EXT_P(env->active_tc.PC))
|
8489 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC); |
8490 |
if (!SIGN_EXT_P(env->active_tc.HI[0])) |
8491 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]); |
8492 |
if (!SIGN_EXT_P(env->active_tc.LO[0])) |
8493 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]); |
8494 |
if (!SIGN_EXT_P(env->btarget))
|
8495 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
8496 |
|
8497 |
for (i = 0; i < 32; i++) { |
8498 |
if (!SIGN_EXT_P(env->active_tc.gpr[i]))
|
8499 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]); |
8500 |
} |
8501 |
|
8502 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
8503 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
8504 |
if (!SIGN_EXT_P(env->CP0_LLAddr))
|
8505 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr); |
8506 |
} |
8507 |
#endif
|
8508 |
|
8509 |
void cpu_dump_state (CPUState *env, FILE *f,
|
8510 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
8511 |
int flags)
|
8512 |
{ |
8513 |
int i;
|
8514 |
|
8515 |
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", |
8516 |
env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0], |
8517 |
env->hflags, env->btarget, env->bcond); |
8518 |
for (i = 0; i < 32; i++) { |
8519 |
if ((i & 3) == 0) |
8520 |
cpu_fprintf(f, "GPR%02d:", i);
|
8521 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
|
8522 |
if ((i & 3) == 3) |
8523 |
cpu_fprintf(f, "\n");
|
8524 |
} |
8525 |
|
8526 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
8527 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
8528 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
8529 |
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr); |
8530 |
if (env->hflags & MIPS_HFLAG_FPU)
|
8531 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
8532 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
8533 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
8534 |
#endif
|
8535 |
} |
8536 |
|
8537 |
static void mips_tcg_init(void) |
8538 |
{ |
8539 |
int i;
|
8540 |
static int inited; |
8541 |
|
8542 |
/* Initialize various static tables. */
|
8543 |
if (inited)
|
8544 |
return;
|
8545 |
|
8546 |
cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
|
8547 |
TCGV_UNUSED(cpu_gpr[0]);
|
8548 |
for (i = 1; i < 32; i++) |
8549 |
cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0, |
8550 |
offsetof(CPUState, active_tc.gpr[i]), |
8551 |
regnames[i]); |
8552 |
cpu_PC = tcg_global_mem_new(TCG_AREG0, |
8553 |
offsetof(CPUState, active_tc.PC), "PC");
|
8554 |
for (i = 0; i < MIPS_DSP_ACC; i++) { |
8555 |
cpu_HI[i] = tcg_global_mem_new(TCG_AREG0, |
8556 |
offsetof(CPUState, active_tc.HI[i]), |
8557 |
regnames_HI[i]); |
8558 |
cpu_LO[i] = tcg_global_mem_new(TCG_AREG0, |
8559 |
offsetof(CPUState, active_tc.LO[i]), |
8560 |
regnames_LO[i]); |
8561 |
cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0, |
8562 |
offsetof(CPUState, active_tc.ACX[i]), |
8563 |
regnames_ACX[i]); |
8564 |
} |
8565 |
cpu_dspctrl = tcg_global_mem_new(TCG_AREG0, |
8566 |
offsetof(CPUState, active_tc.DSPControl), |
8567 |
"DSPControl");
|
8568 |
bcond = tcg_global_mem_new(TCG_AREG0, |
8569 |
offsetof(CPUState, bcond), "bcond");
|
8570 |
btarget = tcg_global_mem_new(TCG_AREG0, |
8571 |
offsetof(CPUState, btarget), "btarget");
|
8572 |
hflags = tcg_global_mem_new_i32(TCG_AREG0, |
8573 |
offsetof(CPUState, hflags), "hflags");
|
8574 |
|
8575 |
fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0, |
8576 |
offsetof(CPUState, active_fpu.fcr0), |
8577 |
"fcr0");
|
8578 |
fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0, |
8579 |
offsetof(CPUState, active_fpu.fcr31), |
8580 |
"fcr31");
|
8581 |
|
8582 |
/* register helpers */
|
8583 |
#define GEN_HELPER 2 |
8584 |
#include "helper.h" |
8585 |
|
8586 |
inited = 1;
|
8587 |
} |
8588 |
|
8589 |
#include "translate_init.c" |
8590 |
|
8591 |
CPUMIPSState *cpu_mips_init (const char *cpu_model) |
8592 |
{ |
8593 |
CPUMIPSState *env; |
8594 |
const mips_def_t *def;
|
8595 |
|
8596 |
def = cpu_mips_find_by_name(cpu_model); |
8597 |
if (!def)
|
8598 |
return NULL; |
8599 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
8600 |
env->cpu_model = def; |
8601 |
|
8602 |
cpu_exec_init(env); |
8603 |
env->cpu_model_str = cpu_model; |
8604 |
mips_tcg_init(); |
8605 |
cpu_reset(env); |
8606 |
qemu_init_vcpu(env); |
8607 |
return env;
|
8608 |
} |
8609 |
|
8610 |
void cpu_reset (CPUMIPSState *env)
|
8611 |
{ |
8612 |
if (qemu_loglevel_mask(CPU_LOG_RESET)) {
|
8613 |
qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
|
8614 |
log_cpu_state(env, 0);
|
8615 |
} |
8616 |
|
8617 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
8618 |
|
8619 |
tlb_flush(env, 1);
|
8620 |
|
8621 |
/* Minimal init */
|
8622 |
#if defined(CONFIG_USER_ONLY)
|
8623 |
env->hflags = MIPS_HFLAG_UM; |
8624 |
/* Enable access to the SYNCI_Step register. */
|
8625 |
env->CP0_HWREna |= (1 << 1); |
8626 |
#else
|
8627 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
8628 |
/* If the exception was raised from a delay slot,
|
8629 |
come back to the jump. */
|
8630 |
env->CP0_ErrorEPC = env->active_tc.PC - 4;
|
8631 |
} else {
|
8632 |
env->CP0_ErrorEPC = env->active_tc.PC; |
8633 |
} |
8634 |
env->active_tc.PC = (int32_t)0xBFC00000;
|
8635 |
env->CP0_Wired = 0;
|
8636 |
/* SMP not implemented */
|
8637 |
env->CP0_EBase = 0x80000000;
|
8638 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
8639 |
/* vectored interrupts not implemented, timer on int 7,
|
8640 |
no performance counters. */
|
8641 |
env->CP0_IntCtl = 0xe0000000;
|
8642 |
{ |
8643 |
int i;
|
8644 |
|
8645 |
for (i = 0; i < 7; i++) { |
8646 |
env->CP0_WatchLo[i] = 0;
|
8647 |
env->CP0_WatchHi[i] = 0x80000000;
|
8648 |
} |
8649 |
env->CP0_WatchLo[7] = 0; |
8650 |
env->CP0_WatchHi[7] = 0; |
8651 |
} |
8652 |
/* Count register increments in debug mode, EJTAG version 1 */
|
8653 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
8654 |
env->hflags = MIPS_HFLAG_CP0; |
8655 |
#endif
|
8656 |
env->exception_index = EXCP_NONE; |
8657 |
cpu_mips_register(env, env->cpu_model); |
8658 |
} |
8659 |
|
8660 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
8661 |
unsigned long searched_pc, int pc_pos, void *puc) |
8662 |
{ |
8663 |
env->active_tc.PC = gen_opc_pc[pc_pos]; |
8664 |
env->hflags &= ~MIPS_HFLAG_BMASK; |
8665 |
env->hflags |= gen_opc_hflags[pc_pos]; |
8666 |
} |