root / target-mips / translate.c @ 42388c4b
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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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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 "helper.h" |
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#include "tcg-op.h" |
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#include "qemu-common.h" |
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//#define MIPS_DEBUG_DISAS
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//#define MIPS_DEBUG_SIGN_EXTENSIONS
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//#define MIPS_SINGLE_STEP
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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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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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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, /* inofficial */ |
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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, /* inofficial */ |
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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, |
314 |
}; |
315 |
|
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/* MFMC0 opcodes */
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#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
318 |
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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, |
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OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, |
325 |
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
326 |
}; |
327 |
|
328 |
/* Coprocessor 0 (with rs == C0) */
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329 |
#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
330 |
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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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}; |
341 |
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/* Coprocessor 1 (rs field) */
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#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
344 |
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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 */ |
355 |
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 */ |
363 |
OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ |
364 |
}; |
365 |
|
366 |
#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
367 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
368 |
|
369 |
enum {
|
370 |
OPC_BC1F = (0x00 << 16) | OPC_BC1, |
371 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
372 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
373 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
374 |
}; |
375 |
|
376 |
enum {
|
377 |
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
378 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
379 |
}; |
380 |
|
381 |
enum {
|
382 |
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
383 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
384 |
}; |
385 |
|
386 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
387 |
|
388 |
enum {
|
389 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
390 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
391 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
392 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
393 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
394 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
395 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
396 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
397 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
398 |
}; |
399 |
|
400 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
401 |
|
402 |
enum {
|
403 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
404 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
405 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
406 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
407 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
408 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
409 |
OPC_PREFX = 0x0F | OPC_CP3,
|
410 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
411 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
412 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
413 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
414 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
415 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
416 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
417 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
418 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
419 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
420 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
421 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
422 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
423 |
}; |
424 |
|
425 |
/* global register indices */
|
426 |
static TCGv cpu_env, current_tc_gprs, cpu_T[2]; |
427 |
|
428 |
/* The code generator doesn't like lots of temporaries, so maintain our own
|
429 |
cache for reuse within a function. */
|
430 |
#define MAX_TEMPS 4 |
431 |
static int num_temps; |
432 |
static TCGv temps[MAX_TEMPS];
|
433 |
|
434 |
/* Allocate a temporary variable. */
|
435 |
static TCGv new_tmp(void) |
436 |
{ |
437 |
TCGv tmp; |
438 |
if (num_temps == MAX_TEMPS)
|
439 |
abort(); |
440 |
|
441 |
if (GET_TCGV(temps[num_temps]))
|
442 |
return temps[num_temps++];
|
443 |
|
444 |
tmp = tcg_temp_new(TCG_TYPE_I32); |
445 |
temps[num_temps++] = tmp; |
446 |
return tmp;
|
447 |
} |
448 |
|
449 |
/* Release a temporary variable. */
|
450 |
static void dead_tmp(TCGv tmp) |
451 |
{ |
452 |
int i;
|
453 |
num_temps--; |
454 |
i = num_temps; |
455 |
if (GET_TCGV(temps[i]) == GET_TCGV(tmp))
|
456 |
return;
|
457 |
|
458 |
/* Shuffle this temp to the last slot. */
|
459 |
while (GET_TCGV(temps[i]) != GET_TCGV(tmp))
|
460 |
i--; |
461 |
while (i < num_temps) {
|
462 |
temps[i] = temps[i + 1];
|
463 |
i++; |
464 |
} |
465 |
temps[i] = tmp; |
466 |
} |
467 |
|
468 |
typedef struct DisasContext { |
469 |
struct TranslationBlock *tb;
|
470 |
target_ulong pc, saved_pc; |
471 |
uint32_t opcode; |
472 |
uint32_t fp_status; |
473 |
/* Routine used to access memory */
|
474 |
int mem_idx;
|
475 |
uint32_t hflags, saved_hflags; |
476 |
int bstate;
|
477 |
target_ulong btarget; |
478 |
} DisasContext; |
479 |
|
480 |
enum {
|
481 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
482 |
* exception condition
|
483 |
*/
|
484 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
485 |
BS_BRANCH = 2, /* We reached a branch condition */ |
486 |
BS_EXCP = 3, /* We reached an exception condition */ |
487 |
}; |
488 |
|
489 |
static const char *regnames[] = |
490 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
491 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
492 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
493 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
494 |
|
495 |
static const char *fregnames[] = |
496 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
497 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
498 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
499 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
500 |
|
501 |
#ifdef MIPS_DEBUG_DISAS
|
502 |
#define MIPS_DEBUG(fmt, args...) \
|
503 |
do { \
|
504 |
if (loglevel & CPU_LOG_TB_IN_ASM) { \
|
505 |
fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \ |
506 |
ctx->pc, ctx->opcode , ##args); \ |
507 |
} \ |
508 |
} while (0) |
509 |
#else
|
510 |
#define MIPS_DEBUG(fmt, args...) do { } while(0) |
511 |
#endif
|
512 |
|
513 |
#define MIPS_INVAL(op) \
|
514 |
do { \
|
515 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
516 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
517 |
} while (0) |
518 |
|
519 |
/* General purpose registers moves. */
|
520 |
static inline void gen_load_gpr (TCGv t, int reg) |
521 |
{ |
522 |
if (reg == 0) |
523 |
tcg_gen_movi_tl(t, 0);
|
524 |
else
|
525 |
tcg_gen_ld_tl(t, current_tc_gprs, sizeof(target_ulong) * reg);
|
526 |
} |
527 |
|
528 |
static inline void gen_store_gpr (TCGv t, int reg) |
529 |
{ |
530 |
if (reg != 0) |
531 |
tcg_gen_st_tl(t, current_tc_gprs, sizeof(target_ulong) * reg);
|
532 |
} |
533 |
|
534 |
/* Moves to/from shadow registers. */
|
535 |
static inline void gen_load_srsgpr (TCGv t, int reg) |
536 |
{ |
537 |
if (reg == 0) |
538 |
tcg_gen_movi_tl(t, 0);
|
539 |
else {
|
540 |
TCGv r_tmp = new_tmp(); |
541 |
|
542 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
543 |
tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS); |
544 |
tcg_gen_andi_i32(r_tmp, r_tmp, 0xf);
|
545 |
tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32); |
546 |
tcg_gen_add_i32(r_tmp, cpu_env, r_tmp); |
547 |
|
548 |
tcg_gen_ld_tl(t, r_tmp, sizeof(target_ulong) * reg);
|
549 |
dead_tmp(r_tmp); |
550 |
} |
551 |
} |
552 |
|
553 |
static inline void gen_store_srsgpr (TCGv t, int reg) |
554 |
{ |
555 |
if (reg != 0) { |
556 |
TCGv r_tmp = new_tmp(); |
557 |
|
558 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
559 |
tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS); |
560 |
tcg_gen_andi_i32(r_tmp, r_tmp, 0xf);
|
561 |
tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32); |
562 |
tcg_gen_add_i32(r_tmp, cpu_env, r_tmp); |
563 |
|
564 |
tcg_gen_st_tl(t, r_tmp, sizeof(target_ulong) * reg);
|
565 |
dead_tmp(r_tmp); |
566 |
} |
567 |
} |
568 |
|
569 |
/* Floating point register moves. */
|
570 |
#define FGEN32(func, NAME) \
|
571 |
static GenOpFunc *NAME ## _table [32] = { \ |
572 |
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ |
573 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
574 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
575 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
576 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
577 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
578 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
579 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
580 |
}; \ |
581 |
static always_inline void func(int n) \ |
582 |
{ \ |
583 |
NAME ## _table[n](); \ |
584 |
} |
585 |
|
586 |
FGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr); |
587 |
FGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr); |
588 |
|
589 |
FGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr); |
590 |
FGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr); |
591 |
|
592 |
FGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr); |
593 |
FGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr); |
594 |
|
595 |
FGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr); |
596 |
FGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr); |
597 |
|
598 |
FGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr); |
599 |
FGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr); |
600 |
|
601 |
FGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr); |
602 |
FGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr); |
603 |
|
604 |
FGEN32(gen_op_load_fpr_WTH0, gen_op_load_fpr_WTH0_fpr); |
605 |
FGEN32(gen_op_store_fpr_WTH0, gen_op_store_fpr_WTH0_fpr); |
606 |
|
607 |
FGEN32(gen_op_load_fpr_WTH1, gen_op_load_fpr_WTH1_fpr); |
608 |
FGEN32(gen_op_store_fpr_WTH1, gen_op_store_fpr_WTH1_fpr); |
609 |
|
610 |
FGEN32(gen_op_load_fpr_WTH2, gen_op_load_fpr_WTH2_fpr); |
611 |
FGEN32(gen_op_store_fpr_WTH2, gen_op_store_fpr_WTH2_fpr); |
612 |
|
613 |
#define GEN_LOAD_FREG_FTN(FTn, Fn) \
|
614 |
do { \
|
615 |
glue(gen_op_load_fpr_, FTn)(Fn); \ |
616 |
} while (0) |
617 |
|
618 |
#define GEN_STORE_FTN_FREG(Fn, FTn) \
|
619 |
do { \
|
620 |
glue(gen_op_store_fpr_, FTn)(Fn); \ |
621 |
} while (0) |
622 |
|
623 |
#define FOP_CONDS(type, fmt) \
|
624 |
static GenOpFunc1 * gen_op_cmp ## type ## _ ## fmt ## _table[16] = { \ |
625 |
gen_op_cmp ## type ## _ ## fmt ## _f, \ |
626 |
gen_op_cmp ## type ## _ ## fmt ## _un, \ |
627 |
gen_op_cmp ## type ## _ ## fmt ## _eq, \ |
628 |
gen_op_cmp ## type ## _ ## fmt ## _ueq, \ |
629 |
gen_op_cmp ## type ## _ ## fmt ## _olt, \ |
630 |
gen_op_cmp ## type ## _ ## fmt ## _ult, \ |
631 |
gen_op_cmp ## type ## _ ## fmt ## _ole, \ |
632 |
gen_op_cmp ## type ## _ ## fmt ## _ule, \ |
633 |
gen_op_cmp ## type ## _ ## fmt ## _sf, \ |
634 |
gen_op_cmp ## type ## _ ## fmt ## _ngle, \ |
635 |
gen_op_cmp ## type ## _ ## fmt ## _seq, \ |
636 |
gen_op_cmp ## type ## _ ## fmt ## _ngl, \ |
637 |
gen_op_cmp ## type ## _ ## fmt ## _lt, \ |
638 |
gen_op_cmp ## type ## _ ## fmt ## _nge, \ |
639 |
gen_op_cmp ## type ## _ ## fmt ## _le, \ |
640 |
gen_op_cmp ## type ## _ ## fmt ## _ngt, \ |
641 |
}; \ |
642 |
static always_inline void gen_cmp ## type ## _ ## fmt(int n, long cc) \ |
643 |
{ \ |
644 |
gen_op_cmp ## type ## _ ## fmt ## _table[n](cc); \ |
645 |
} |
646 |
|
647 |
FOP_CONDS(, d) |
648 |
FOP_CONDS(abs, d) |
649 |
FOP_CONDS(, s) |
650 |
FOP_CONDS(abs, s) |
651 |
FOP_CONDS(, ps) |
652 |
FOP_CONDS(abs, ps) |
653 |
|
654 |
/* Tests */
|
655 |
#define OP_COND(name, cond) \
|
656 |
void glue(gen_op_, name) (void) \ |
657 |
{ \ |
658 |
int l1 = gen_new_label(); \
|
659 |
int l2 = gen_new_label(); \
|
660 |
\ |
661 |
tcg_gen_brcond_tl(cond, cpu_T[0], cpu_T[1], l1); \ |
662 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
663 |
tcg_gen_br(l2); \ |
664 |
gen_set_label(l1); \ |
665 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
666 |
gen_set_label(l2); \ |
667 |
} |
668 |
OP_COND(eq, TCG_COND_EQ); |
669 |
OP_COND(ne, TCG_COND_NE); |
670 |
OP_COND(ge, TCG_COND_GE); |
671 |
OP_COND(geu, TCG_COND_GEU); |
672 |
OP_COND(lt, TCG_COND_LT); |
673 |
OP_COND(ltu, TCG_COND_LTU); |
674 |
#undef OP_COND
|
675 |
|
676 |
#define OP_CONDI(name, cond) \
|
677 |
void glue(gen_op_, name) (target_ulong val) \
|
678 |
{ \ |
679 |
int l1 = gen_new_label(); \
|
680 |
int l2 = gen_new_label(); \
|
681 |
\ |
682 |
tcg_gen_brcond_tl(cond, cpu_T[0], tcg_const_tl(val), l1); \
|
683 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
684 |
tcg_gen_br(l2); \ |
685 |
gen_set_label(l1); \ |
686 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
687 |
gen_set_label(l2); \ |
688 |
} |
689 |
OP_CONDI(lti, TCG_COND_LT); |
690 |
OP_CONDI(ltiu, TCG_COND_LTU); |
691 |
#undef OP_CONDI
|
692 |
|
693 |
#define OP_CONDZ(name, cond) \
|
694 |
void glue(gen_op_, name) (void) \ |
695 |
{ \ |
696 |
int l1 = gen_new_label(); \
|
697 |
int l2 = gen_new_label(); \
|
698 |
\ |
699 |
tcg_gen_brcond_tl(cond, cpu_T[0], tcg_const_tl(0), l1); \ |
700 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
701 |
tcg_gen_br(l2); \ |
702 |
gen_set_label(l1); \ |
703 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
704 |
gen_set_label(l2); \ |
705 |
} |
706 |
OP_CONDZ(gez, TCG_COND_GE); |
707 |
OP_CONDZ(gtz, TCG_COND_GT); |
708 |
OP_CONDZ(lez, TCG_COND_LE); |
709 |
OP_CONDZ(ltz, TCG_COND_LT); |
710 |
#undef OP_CONDZ
|
711 |
|
712 |
static inline void gen_save_pc(target_ulong pc) |
713 |
{ |
714 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
715 |
TCGv r_tc_off = new_tmp(); |
716 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
717 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
718 |
|
719 |
tcg_gen_movi_tl(r_tmp, pc); |
720 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
721 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
722 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
723 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
724 |
tcg_gen_st_tl(r_tmp, r_ptr, offsetof(CPUState, PC)); |
725 |
dead_tmp(r_tc_off); |
726 |
} |
727 |
|
728 |
static inline void gen_breg_pc(void) |
729 |
{ |
730 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
731 |
TCGv r_tc_off = new_tmp(); |
732 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
733 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
734 |
|
735 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, btarget)); |
736 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
737 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
738 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
739 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
740 |
tcg_gen_st_tl(r_tmp, r_ptr, offsetof(CPUState, PC)); |
741 |
dead_tmp(r_tc_off); |
742 |
} |
743 |
|
744 |
static inline void gen_save_btarget(target_ulong btarget) |
745 |
{ |
746 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
747 |
|
748 |
tcg_gen_movi_tl(r_tmp, btarget); |
749 |
tcg_gen_st_tl(r_tmp, cpu_env, offsetof(CPUState, btarget)); |
750 |
} |
751 |
|
752 |
static always_inline void gen_save_breg_target(int reg) |
753 |
{ |
754 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
755 |
|
756 |
gen_load_gpr(r_tmp, reg); |
757 |
tcg_gen_st_tl(r_tmp, cpu_env, offsetof(CPUState, btarget)); |
758 |
} |
759 |
|
760 |
static always_inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
761 |
{ |
762 |
#if defined MIPS_DEBUG_DISAS
|
763 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
764 |
fprintf(logfile, "hflags %08x saved %08x\n",
|
765 |
ctx->hflags, ctx->saved_hflags); |
766 |
} |
767 |
#endif
|
768 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
769 |
gen_save_pc(ctx->pc); |
770 |
ctx->saved_pc = ctx->pc; |
771 |
} |
772 |
if (ctx->hflags != ctx->saved_hflags) {
|
773 |
gen_op_save_state(ctx->hflags); |
774 |
ctx->saved_hflags = ctx->hflags; |
775 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
776 |
case MIPS_HFLAG_BR:
|
777 |
break;
|
778 |
case MIPS_HFLAG_BC:
|
779 |
case MIPS_HFLAG_BL:
|
780 |
case MIPS_HFLAG_B:
|
781 |
gen_save_btarget(ctx->btarget); |
782 |
break;
|
783 |
} |
784 |
} |
785 |
} |
786 |
|
787 |
static always_inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
788 |
{ |
789 |
ctx->saved_hflags = ctx->hflags; |
790 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
791 |
case MIPS_HFLAG_BR:
|
792 |
break;
|
793 |
case MIPS_HFLAG_BC:
|
794 |
case MIPS_HFLAG_BL:
|
795 |
case MIPS_HFLAG_B:
|
796 |
ctx->btarget = env->btarget; |
797 |
break;
|
798 |
} |
799 |
} |
800 |
|
801 |
static always_inline void |
802 |
generate_exception_err (DisasContext *ctx, int excp, int err) |
803 |
{ |
804 |
save_cpu_state(ctx, 1);
|
805 |
tcg_gen_helper_0_2(do_raise_exception_err, tcg_const_i32(excp), tcg_const_i32(err)); |
806 |
tcg_gen_helper_0_0(do_interrupt_restart); |
807 |
tcg_gen_exit_tb(0);
|
808 |
} |
809 |
|
810 |
static always_inline void |
811 |
generate_exception (DisasContext *ctx, int excp)
|
812 |
{ |
813 |
save_cpu_state(ctx, 1);
|
814 |
tcg_gen_helper_0_1(do_raise_exception, tcg_const_i32(excp)); |
815 |
tcg_gen_helper_0_0(do_interrupt_restart); |
816 |
tcg_gen_exit_tb(0);
|
817 |
} |
818 |
|
819 |
/* Addresses computation */
|
820 |
static inline void gen_op_addr_add (void) |
821 |
{ |
822 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
823 |
|
824 |
#if defined(TARGET_MIPS64)
|
825 |
/* For compatibility with 32-bit code, data reference in user mode
|
826 |
with Status_UX = 0 should be casted to 32-bit and sign extended.
|
827 |
See the MIPS64 PRA manual, section 4.10. */
|
828 |
{ |
829 |
TCGv r_tmp = new_tmp(); |
830 |
int l1 = gen_new_label();
|
831 |
|
832 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, hflags)); |
833 |
tcg_gen_andi_i32(r_tmp, r_tmp, MIPS_HFLAG_KSU); |
834 |
tcg_gen_brcond_i32(TCG_COND_NE, r_tmp, tcg_const_i32(MIPS_HFLAG_UM), l1); |
835 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Status)); |
836 |
tcg_gen_andi_i32(r_tmp, r_tmp, (1 << CP0St_UX));
|
837 |
tcg_gen_brcond_i32(TCG_COND_NE, r_tmp, tcg_const_i32(0), l1);
|
838 |
tcg_gen_ext32s_i64(cpu_T[0], cpu_T[0]); |
839 |
gen_set_label(l1); |
840 |
dead_tmp(r_tmp); |
841 |
} |
842 |
#endif
|
843 |
} |
844 |
|
845 |
static always_inline void check_cp0_enabled(DisasContext *ctx) |
846 |
{ |
847 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
|
848 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
849 |
} |
850 |
|
851 |
static always_inline void check_cp1_enabled(DisasContext *ctx) |
852 |
{ |
853 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
|
854 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
855 |
} |
856 |
|
857 |
/* Verify that the processor is running with COP1X instructions enabled.
|
858 |
This is associated with the nabla symbol in the MIPS32 and MIPS64
|
859 |
opcode tables. */
|
860 |
|
861 |
static always_inline void check_cop1x(DisasContext *ctx) |
862 |
{ |
863 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
|
864 |
generate_exception(ctx, EXCP_RI); |
865 |
} |
866 |
|
867 |
/* Verify that the processor is running with 64-bit floating-point
|
868 |
operations enabled. */
|
869 |
|
870 |
static always_inline void check_cp1_64bitmode(DisasContext *ctx) |
871 |
{ |
872 |
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
|
873 |
generate_exception(ctx, EXCP_RI); |
874 |
} |
875 |
|
876 |
/*
|
877 |
* Verify if floating point register is valid; an operation is not defined
|
878 |
* if bit 0 of any register specification is set and the FR bit in the
|
879 |
* Status register equals zero, since the register numbers specify an
|
880 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
881 |
* in the Status register equals one, both even and odd register numbers
|
882 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
883 |
*
|
884 |
* Multiple 64 bit wide registers can be checked by calling
|
885 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
886 |
*/
|
887 |
void check_cp1_registers(DisasContext *ctx, int regs) |
888 |
{ |
889 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
890 |
generate_exception(ctx, EXCP_RI); |
891 |
} |
892 |
|
893 |
/* This code generates a "reserved instruction" exception if the
|
894 |
CPU does not support the instruction set corresponding to flags. */
|
895 |
static always_inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
896 |
{ |
897 |
if (unlikely(!(env->insn_flags & flags)))
|
898 |
generate_exception(ctx, EXCP_RI); |
899 |
} |
900 |
|
901 |
/* This code generates a "reserved instruction" exception if 64-bit
|
902 |
instructions are not enabled. */
|
903 |
static always_inline void check_mips_64(DisasContext *ctx) |
904 |
{ |
905 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
|
906 |
generate_exception(ctx, EXCP_RI); |
907 |
} |
908 |
|
909 |
/* load/store instructions. */
|
910 |
#if defined(CONFIG_USER_ONLY)
|
911 |
#define op_ldst(name) gen_op_##name##_raw() |
912 |
#define OP_LD_TABLE(width)
|
913 |
#define OP_ST_TABLE(width)
|
914 |
#else
|
915 |
#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() |
916 |
#define OP_LD_TABLE(width) \
|
917 |
static GenOpFunc *gen_op_l##width[] = { \ |
918 |
&gen_op_l##width##_kernel, \ |
919 |
&gen_op_l##width##_super, \ |
920 |
&gen_op_l##width##_user, \ |
921 |
} |
922 |
#define OP_ST_TABLE(width) \
|
923 |
static GenOpFunc *gen_op_s##width[] = { \ |
924 |
&gen_op_s##width##_kernel, \ |
925 |
&gen_op_s##width##_super, \ |
926 |
&gen_op_s##width##_user, \ |
927 |
} |
928 |
#endif
|
929 |
|
930 |
#if defined(TARGET_MIPS64)
|
931 |
OP_LD_TABLE(dl); |
932 |
OP_LD_TABLE(dr); |
933 |
OP_ST_TABLE(dl); |
934 |
OP_ST_TABLE(dr); |
935 |
#endif
|
936 |
OP_LD_TABLE(wl); |
937 |
OP_LD_TABLE(wr); |
938 |
OP_ST_TABLE(wl); |
939 |
OP_ST_TABLE(wr); |
940 |
OP_LD_TABLE(wc1); |
941 |
OP_ST_TABLE(wc1); |
942 |
OP_LD_TABLE(dc1); |
943 |
OP_ST_TABLE(dc1); |
944 |
OP_LD_TABLE(uxc1); |
945 |
OP_ST_TABLE(uxc1); |
946 |
|
947 |
#define OP_LD(insn,fname) \
|
948 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
949 |
{ \ |
950 |
tcg_gen_qemu_##fname(cpu_T[0], cpu_T[0], ctx->mem_idx); \ |
951 |
} |
952 |
OP_LD(lb,ld8s); |
953 |
OP_LD(lbu,ld8u); |
954 |
OP_LD(lh,ld16s); |
955 |
OP_LD(lhu,ld16u); |
956 |
OP_LD(lw,ld32s); |
957 |
#if defined(TARGET_MIPS64)
|
958 |
OP_LD(lwu,ld32u); |
959 |
OP_LD(ld,ld64); |
960 |
#endif
|
961 |
#undef OP_LD
|
962 |
|
963 |
#define OP_ST(insn,fname) \
|
964 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
965 |
{ \ |
966 |
tcg_gen_qemu_##fname(cpu_T[1], cpu_T[0], ctx->mem_idx); \ |
967 |
} |
968 |
OP_ST(sb,st8); |
969 |
OP_ST(sh,st16); |
970 |
OP_ST(sw,st32); |
971 |
#if defined(TARGET_MIPS64)
|
972 |
OP_ST(sd,st64); |
973 |
#endif
|
974 |
#undef OP_ST
|
975 |
|
976 |
#define OP_LD_ATOMIC(insn,fname) \
|
977 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
978 |
{ \ |
979 |
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); \ |
980 |
tcg_gen_qemu_##fname(cpu_T[0], cpu_T[0], ctx->mem_idx); \ |
981 |
tcg_gen_st_tl(cpu_T[1], cpu_env, offsetof(CPUState, CP0_LLAddr)); \
|
982 |
} |
983 |
OP_LD_ATOMIC(ll,ld32s); |
984 |
#if defined(TARGET_MIPS64)
|
985 |
OP_LD_ATOMIC(lld,ld64); |
986 |
#endif
|
987 |
#undef OP_LD_ATOMIC
|
988 |
|
989 |
#define OP_ST_ATOMIC(insn,fname,almask) \
|
990 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
991 |
{ \ |
992 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); \ |
993 |
int l1 = gen_new_label(); \
|
994 |
int l2 = gen_new_label(); \
|
995 |
int l3 = gen_new_label(); \
|
996 |
\ |
997 |
tcg_gen_andi_tl(r_tmp, cpu_T[0], almask); \
|
998 |
tcg_gen_brcond_tl(TCG_COND_EQ, r_tmp, tcg_const_tl(0), l1); \
|
999 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
|
1000 |
generate_exception(ctx, EXCP_AdES); \ |
1001 |
gen_set_label(l1); \ |
1002 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, CP0_LLAddr)); \ |
1003 |
tcg_gen_brcond_tl(TCG_COND_NE, cpu_T[0], r_tmp, l2); \
|
1004 |
tcg_gen_qemu_##fname(cpu_T[1], cpu_T[0], ctx->mem_idx); \ |
1005 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
1006 |
tcg_gen_br(l3); \ |
1007 |
gen_set_label(l2); \ |
1008 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
1009 |
gen_set_label(l3); \ |
1010 |
} |
1011 |
OP_ST_ATOMIC(sc,st32,0x3);
|
1012 |
#if defined(TARGET_MIPS64)
|
1013 |
OP_ST_ATOMIC(scd,st64,0x7);
|
1014 |
#endif
|
1015 |
#undef OP_ST_ATOMIC
|
1016 |
|
1017 |
void inline op_ldst_lwc1(DisasContext *ctx) |
1018 |
{ |
1019 |
op_ldst(lwc1); |
1020 |
} |
1021 |
|
1022 |
void inline op_ldst_ldc1(DisasContext *ctx) |
1023 |
{ |
1024 |
op_ldst(ldc1); |
1025 |
} |
1026 |
|
1027 |
void inline op_ldst_swc1(DisasContext *ctx) |
1028 |
{ |
1029 |
op_ldst(swc1); |
1030 |
} |
1031 |
|
1032 |
void inline op_ldst_sdc1(DisasContext *ctx) |
1033 |
{ |
1034 |
op_ldst(sdc1); |
1035 |
} |
1036 |
|
1037 |
/* Load and store */
|
1038 |
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
1039 |
int base, int16_t offset)
|
1040 |
{ |
1041 |
const char *opn = "ldst"; |
1042 |
|
1043 |
if (base == 0) { |
1044 |
tcg_gen_movi_tl(cpu_T[0], offset);
|
1045 |
} else if (offset == 0) { |
1046 |
gen_load_gpr(cpu_T[0], base);
|
1047 |
} else {
|
1048 |
gen_load_gpr(cpu_T[0], base);
|
1049 |
tcg_gen_movi_tl(cpu_T[1], offset);
|
1050 |
gen_op_addr_add(); |
1051 |
} |
1052 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1053 |
memory access. */
|
1054 |
switch (opc) {
|
1055 |
#if defined(TARGET_MIPS64)
|
1056 |
case OPC_LWU:
|
1057 |
op_ldst_lwu(ctx); |
1058 |
gen_store_gpr(cpu_T[0], rt);
|
1059 |
opn = "lwu";
|
1060 |
break;
|
1061 |
case OPC_LD:
|
1062 |
op_ldst_ld(ctx); |
1063 |
gen_store_gpr(cpu_T[0], rt);
|
1064 |
opn = "ld";
|
1065 |
break;
|
1066 |
case OPC_LLD:
|
1067 |
op_ldst_lld(ctx); |
1068 |
gen_store_gpr(cpu_T[0], rt);
|
1069 |
opn = "lld";
|
1070 |
break;
|
1071 |
case OPC_SD:
|
1072 |
gen_load_gpr(cpu_T[1], rt);
|
1073 |
op_ldst_sd(ctx); |
1074 |
opn = "sd";
|
1075 |
break;
|
1076 |
case OPC_SCD:
|
1077 |
save_cpu_state(ctx, 1);
|
1078 |
gen_load_gpr(cpu_T[1], rt);
|
1079 |
op_ldst_scd(ctx); |
1080 |
gen_store_gpr(cpu_T[0], rt);
|
1081 |
opn = "scd";
|
1082 |
break;
|
1083 |
case OPC_LDL:
|
1084 |
gen_load_gpr(cpu_T[1], rt);
|
1085 |
op_ldst(ldl); |
1086 |
gen_store_gpr(cpu_T[1], rt);
|
1087 |
opn = "ldl";
|
1088 |
break;
|
1089 |
case OPC_SDL:
|
1090 |
gen_load_gpr(cpu_T[1], rt);
|
1091 |
op_ldst(sdl); |
1092 |
opn = "sdl";
|
1093 |
break;
|
1094 |
case OPC_LDR:
|
1095 |
gen_load_gpr(cpu_T[1], rt);
|
1096 |
op_ldst(ldr); |
1097 |
gen_store_gpr(cpu_T[1], rt);
|
1098 |
opn = "ldr";
|
1099 |
break;
|
1100 |
case OPC_SDR:
|
1101 |
gen_load_gpr(cpu_T[1], rt);
|
1102 |
op_ldst(sdr); |
1103 |
opn = "sdr";
|
1104 |
break;
|
1105 |
#endif
|
1106 |
case OPC_LW:
|
1107 |
op_ldst_lw(ctx); |
1108 |
gen_store_gpr(cpu_T[0], rt);
|
1109 |
opn = "lw";
|
1110 |
break;
|
1111 |
case OPC_SW:
|
1112 |
gen_load_gpr(cpu_T[1], rt);
|
1113 |
op_ldst_sw(ctx); |
1114 |
opn = "sw";
|
1115 |
break;
|
1116 |
case OPC_LH:
|
1117 |
op_ldst_lh(ctx); |
1118 |
gen_store_gpr(cpu_T[0], rt);
|
1119 |
opn = "lh";
|
1120 |
break;
|
1121 |
case OPC_SH:
|
1122 |
gen_load_gpr(cpu_T[1], rt);
|
1123 |
op_ldst_sh(ctx); |
1124 |
opn = "sh";
|
1125 |
break;
|
1126 |
case OPC_LHU:
|
1127 |
op_ldst_lhu(ctx); |
1128 |
gen_store_gpr(cpu_T[0], rt);
|
1129 |
opn = "lhu";
|
1130 |
break;
|
1131 |
case OPC_LB:
|
1132 |
op_ldst_lb(ctx); |
1133 |
gen_store_gpr(cpu_T[0], rt);
|
1134 |
opn = "lb";
|
1135 |
break;
|
1136 |
case OPC_SB:
|
1137 |
gen_load_gpr(cpu_T[1], rt);
|
1138 |
op_ldst_sb(ctx); |
1139 |
opn = "sb";
|
1140 |
break;
|
1141 |
case OPC_LBU:
|
1142 |
op_ldst_lbu(ctx); |
1143 |
gen_store_gpr(cpu_T[0], rt);
|
1144 |
opn = "lbu";
|
1145 |
break;
|
1146 |
case OPC_LWL:
|
1147 |
gen_load_gpr(cpu_T[1], rt);
|
1148 |
op_ldst(lwl); |
1149 |
gen_store_gpr(cpu_T[1], rt);
|
1150 |
opn = "lwl";
|
1151 |
break;
|
1152 |
case OPC_SWL:
|
1153 |
gen_load_gpr(cpu_T[1], rt);
|
1154 |
op_ldst(swl); |
1155 |
opn = "swr";
|
1156 |
break;
|
1157 |
case OPC_LWR:
|
1158 |
gen_load_gpr(cpu_T[1], rt);
|
1159 |
op_ldst(lwr); |
1160 |
gen_store_gpr(cpu_T[1], rt);
|
1161 |
opn = "lwr";
|
1162 |
break;
|
1163 |
case OPC_SWR:
|
1164 |
gen_load_gpr(cpu_T[1], rt);
|
1165 |
op_ldst(swr); |
1166 |
opn = "swr";
|
1167 |
break;
|
1168 |
case OPC_LL:
|
1169 |
op_ldst_ll(ctx); |
1170 |
gen_store_gpr(cpu_T[0], rt);
|
1171 |
opn = "ll";
|
1172 |
break;
|
1173 |
case OPC_SC:
|
1174 |
save_cpu_state(ctx, 1);
|
1175 |
gen_load_gpr(cpu_T[1], rt);
|
1176 |
op_ldst_sc(ctx); |
1177 |
gen_store_gpr(cpu_T[0], rt);
|
1178 |
opn = "sc";
|
1179 |
break;
|
1180 |
default:
|
1181 |
MIPS_INVAL(opn); |
1182 |
generate_exception(ctx, EXCP_RI); |
1183 |
return;
|
1184 |
} |
1185 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1186 |
} |
1187 |
|
1188 |
/* Load and store */
|
1189 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
1190 |
int base, int16_t offset)
|
1191 |
{ |
1192 |
const char *opn = "flt_ldst"; |
1193 |
|
1194 |
if (base == 0) { |
1195 |
tcg_gen_movi_tl(cpu_T[0], offset);
|
1196 |
} else if (offset == 0) { |
1197 |
gen_load_gpr(cpu_T[0], base);
|
1198 |
} else {
|
1199 |
gen_load_gpr(cpu_T[0], base);
|
1200 |
tcg_gen_movi_tl(cpu_T[1], offset);
|
1201 |
gen_op_addr_add(); |
1202 |
} |
1203 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1204 |
memory access. */
|
1205 |
switch (opc) {
|
1206 |
case OPC_LWC1:
|
1207 |
op_ldst_lwc1(ctx); |
1208 |
GEN_STORE_FTN_FREG(ft, WT0); |
1209 |
opn = "lwc1";
|
1210 |
break;
|
1211 |
case OPC_SWC1:
|
1212 |
GEN_LOAD_FREG_FTN(WT0, ft); |
1213 |
op_ldst_swc1(ctx); |
1214 |
opn = "swc1";
|
1215 |
break;
|
1216 |
case OPC_LDC1:
|
1217 |
op_ldst_ldc1(ctx); |
1218 |
GEN_STORE_FTN_FREG(ft, DT0); |
1219 |
opn = "ldc1";
|
1220 |
break;
|
1221 |
case OPC_SDC1:
|
1222 |
GEN_LOAD_FREG_FTN(DT0, ft); |
1223 |
op_ldst_sdc1(ctx); |
1224 |
opn = "sdc1";
|
1225 |
break;
|
1226 |
default:
|
1227 |
MIPS_INVAL(opn); |
1228 |
generate_exception(ctx, EXCP_RI); |
1229 |
return;
|
1230 |
} |
1231 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
1232 |
} |
1233 |
|
1234 |
/* Arithmetic with immediate operand */
|
1235 |
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
1236 |
int rt, int rs, int16_t imm) |
1237 |
{ |
1238 |
target_ulong uimm; |
1239 |
const char *opn = "imm arith"; |
1240 |
|
1241 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
1242 |
/* If no destination, treat it as a NOP.
|
1243 |
For addi, we must generate the overflow exception when needed. */
|
1244 |
MIPS_DEBUG("NOP");
|
1245 |
return;
|
1246 |
} |
1247 |
uimm = (uint16_t)imm; |
1248 |
switch (opc) {
|
1249 |
case OPC_ADDI:
|
1250 |
case OPC_ADDIU:
|
1251 |
#if defined(TARGET_MIPS64)
|
1252 |
case OPC_DADDI:
|
1253 |
case OPC_DADDIU:
|
1254 |
#endif
|
1255 |
case OPC_SLTI:
|
1256 |
case OPC_SLTIU:
|
1257 |
uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1258 |
tcg_gen_movi_tl(cpu_T[1], uimm);
|
1259 |
/* Fall through. */
|
1260 |
case OPC_ANDI:
|
1261 |
case OPC_ORI:
|
1262 |
case OPC_XORI:
|
1263 |
gen_load_gpr(cpu_T[0], rs);
|
1264 |
break;
|
1265 |
case OPC_LUI:
|
1266 |
tcg_gen_movi_tl(cpu_T[0], imm << 16); |
1267 |
break;
|
1268 |
case OPC_SLL:
|
1269 |
case OPC_SRA:
|
1270 |
case OPC_SRL:
|
1271 |
#if defined(TARGET_MIPS64)
|
1272 |
case OPC_DSLL:
|
1273 |
case OPC_DSRA:
|
1274 |
case OPC_DSRL:
|
1275 |
case OPC_DSLL32:
|
1276 |
case OPC_DSRA32:
|
1277 |
case OPC_DSRL32:
|
1278 |
#endif
|
1279 |
uimm &= 0x1f;
|
1280 |
gen_load_gpr(cpu_T[0], rs);
|
1281 |
break;
|
1282 |
} |
1283 |
switch (opc) {
|
1284 |
case OPC_ADDI:
|
1285 |
{ |
1286 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1287 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1288 |
int l1 = gen_new_label();
|
1289 |
|
1290 |
save_cpu_state(ctx, 1);
|
1291 |
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
|
1292 |
tcg_gen_addi_tl(cpu_T[0], r_tmp1, uimm);
|
1293 |
|
1294 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, uimm); |
1295 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1296 |
tcg_gen_xori_tl(r_tmp2, cpu_T[0], uimm);
|
1297 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1298 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
|
1299 |
tcg_gen_brcond_tl(TCG_COND_EQ, r_tmp1, tcg_const_tl(0), l1);
|
1300 |
/* operands of same sign, result different sign */
|
1301 |
generate_exception(ctx, EXCP_OVERFLOW); |
1302 |
gen_set_label(l1); |
1303 |
|
1304 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1305 |
} |
1306 |
opn = "addi";
|
1307 |
break;
|
1308 |
case OPC_ADDIU:
|
1309 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1310 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm); |
1311 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1312 |
opn = "addiu";
|
1313 |
break;
|
1314 |
#if defined(TARGET_MIPS64)
|
1315 |
case OPC_DADDI:
|
1316 |
{ |
1317 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1318 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1319 |
int l1 = gen_new_label();
|
1320 |
|
1321 |
save_cpu_state(ctx, 1);
|
1322 |
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
|
1323 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm); |
1324 |
|
1325 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, uimm); |
1326 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1327 |
tcg_gen_xori_tl(r_tmp2, cpu_T[0], uimm);
|
1328 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1329 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
|
1330 |
tcg_gen_brcond_tl(TCG_COND_EQ, r_tmp1, tcg_const_tl(0), l1);
|
1331 |
/* operands of same sign, result different sign */
|
1332 |
generate_exception(ctx, EXCP_OVERFLOW); |
1333 |
gen_set_label(l1); |
1334 |
} |
1335 |
opn = "daddi";
|
1336 |
break;
|
1337 |
case OPC_DADDIU:
|
1338 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm); |
1339 |
opn = "daddiu";
|
1340 |
break;
|
1341 |
#endif
|
1342 |
case OPC_SLTI:
|
1343 |
gen_op_lti(uimm); |
1344 |
opn = "slti";
|
1345 |
break;
|
1346 |
case OPC_SLTIU:
|
1347 |
gen_op_ltiu(uimm); |
1348 |
opn = "sltiu";
|
1349 |
break;
|
1350 |
case OPC_ANDI:
|
1351 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], uimm); |
1352 |
opn = "andi";
|
1353 |
break;
|
1354 |
case OPC_ORI:
|
1355 |
tcg_gen_ori_tl(cpu_T[0], cpu_T[0], uimm); |
1356 |
opn = "ori";
|
1357 |
break;
|
1358 |
case OPC_XORI:
|
1359 |
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], uimm); |
1360 |
opn = "xori";
|
1361 |
break;
|
1362 |
case OPC_LUI:
|
1363 |
opn = "lui";
|
1364 |
break;
|
1365 |
case OPC_SLL:
|
1366 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1367 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm); |
1368 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1369 |
opn = "sll";
|
1370 |
break;
|
1371 |
case OPC_SRA:
|
1372 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1373 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm); |
1374 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1375 |
opn = "sra";
|
1376 |
break;
|
1377 |
case OPC_SRL:
|
1378 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1379 |
case 0: |
1380 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1381 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1382 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1383 |
opn = "srl";
|
1384 |
break;
|
1385 |
case 1: |
1386 |
/* rotr is decoded as srl on non-R2 CPUs */
|
1387 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1388 |
if (uimm != 0) { |
1389 |
TCGv r_tmp1 = new_tmp(); |
1390 |
TCGv r_tmp2 = new_tmp(); |
1391 |
|
1392 |
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
|
1393 |
tcg_gen_movi_i32(r_tmp2, 0x20);
|
1394 |
tcg_gen_subi_i32(r_tmp2, r_tmp2, uimm); |
1395 |
tcg_gen_shl_i32(r_tmp2, r_tmp1, r_tmp2); |
1396 |
tcg_gen_shri_i32(r_tmp1, r_tmp1, uimm); |
1397 |
tcg_gen_or_i32(r_tmp1, r_tmp1, r_tmp2); |
1398 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1399 |
dead_tmp(r_tmp1); |
1400 |
dead_tmp(r_tmp2); |
1401 |
} |
1402 |
opn = "rotr";
|
1403 |
} else {
|
1404 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1405 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1406 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1407 |
opn = "srl";
|
1408 |
} |
1409 |
break;
|
1410 |
default:
|
1411 |
MIPS_INVAL("invalid srl flag");
|
1412 |
generate_exception(ctx, EXCP_RI); |
1413 |
break;
|
1414 |
} |
1415 |
break;
|
1416 |
#if defined(TARGET_MIPS64)
|
1417 |
case OPC_DSLL:
|
1418 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm); |
1419 |
opn = "dsll";
|
1420 |
break;
|
1421 |
case OPC_DSRA:
|
1422 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm); |
1423 |
opn = "dsra";
|
1424 |
break;
|
1425 |
case OPC_DSRL:
|
1426 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1427 |
case 0: |
1428 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1429 |
opn = "dsrl";
|
1430 |
break;
|
1431 |
case 1: |
1432 |
/* drotr is decoded as dsrl on non-R2 CPUs */
|
1433 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1434 |
if (uimm != 0) { |
1435 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1436 |
|
1437 |
tcg_gen_movi_tl(r_tmp1, 0x40);
|
1438 |
tcg_gen_subi_tl(r_tmp1, r_tmp1, uimm); |
1439 |
tcg_gen_shl_tl(r_tmp1, cpu_T[0], r_tmp1);
|
1440 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1441 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1); |
1442 |
} |
1443 |
opn = "drotr";
|
1444 |
} else {
|
1445 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1446 |
opn = "dsrl";
|
1447 |
} |
1448 |
break;
|
1449 |
default:
|
1450 |
MIPS_INVAL("invalid dsrl flag");
|
1451 |
generate_exception(ctx, EXCP_RI); |
1452 |
break;
|
1453 |
} |
1454 |
break;
|
1455 |
case OPC_DSLL32:
|
1456 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1457 |
opn = "dsll32";
|
1458 |
break;
|
1459 |
case OPC_DSRA32:
|
1460 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1461 |
opn = "dsra32";
|
1462 |
break;
|
1463 |
case OPC_DSRL32:
|
1464 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1465 |
case 0: |
1466 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1467 |
opn = "dsrl32";
|
1468 |
break;
|
1469 |
case 1: |
1470 |
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
|
1471 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1472 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1473 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1474 |
|
1475 |
tcg_gen_movi_tl(r_tmp1, 0x40);
|
1476 |
tcg_gen_movi_tl(r_tmp2, 32);
|
1477 |
tcg_gen_addi_tl(r_tmp2, r_tmp2, uimm); |
1478 |
tcg_gen_sub_tl(r_tmp1, r_tmp1, r_tmp2); |
1479 |
tcg_gen_shl_tl(r_tmp1, cpu_T[0], r_tmp1);
|
1480 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], r_tmp2); |
1481 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1); |
1482 |
opn = "drotr32";
|
1483 |
} else {
|
1484 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1485 |
opn = "dsrl32";
|
1486 |
} |
1487 |
break;
|
1488 |
default:
|
1489 |
MIPS_INVAL("invalid dsrl32 flag");
|
1490 |
generate_exception(ctx, EXCP_RI); |
1491 |
break;
|
1492 |
} |
1493 |
break;
|
1494 |
#endif
|
1495 |
default:
|
1496 |
MIPS_INVAL(opn); |
1497 |
generate_exception(ctx, EXCP_RI); |
1498 |
return;
|
1499 |
} |
1500 |
gen_store_gpr(cpu_T[0], rt);
|
1501 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1502 |
} |
1503 |
|
1504 |
/* Arithmetic */
|
1505 |
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
1506 |
int rd, int rs, int rt) |
1507 |
{ |
1508 |
const char *opn = "arith"; |
1509 |
|
1510 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
1511 |
&& opc != OPC_DADD && opc != OPC_DSUB) { |
1512 |
/* If no destination, treat it as a NOP.
|
1513 |
For add & sub, we must generate the overflow exception when needed. */
|
1514 |
MIPS_DEBUG("NOP");
|
1515 |
return;
|
1516 |
} |
1517 |
gen_load_gpr(cpu_T[0], rs);
|
1518 |
/* Specialcase the conventional move operation. */
|
1519 |
if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU |
1520 |
|| opc == OPC_SUBU || opc == OPC_DSUBU)) { |
1521 |
gen_store_gpr(cpu_T[0], rd);
|
1522 |
return;
|
1523 |
} |
1524 |
gen_load_gpr(cpu_T[1], rt);
|
1525 |
switch (opc) {
|
1526 |
case OPC_ADD:
|
1527 |
{ |
1528 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1529 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1530 |
int l1 = gen_new_label();
|
1531 |
|
1532 |
save_cpu_state(ctx, 1);
|
1533 |
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
|
1534 |
tcg_gen_ext32s_tl(r_tmp2, cpu_T[1]);
|
1535 |
tcg_gen_add_tl(cpu_T[0], r_tmp1, r_tmp2);
|
1536 |
|
1537 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[1]);
|
1538 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1539 |
tcg_gen_xor_tl(r_tmp2, cpu_T[0], cpu_T[1]); |
1540 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1541 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
|
1542 |
tcg_gen_brcond_tl(TCG_COND_EQ, r_tmp1, tcg_const_tl(0), l1);
|
1543 |
/* operands of same sign, result different sign */
|
1544 |
generate_exception(ctx, EXCP_OVERFLOW); |
1545 |
gen_set_label(l1); |
1546 |
|
1547 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1548 |
} |
1549 |
opn = "add";
|
1550 |
break;
|
1551 |
case OPC_ADDU:
|
1552 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1553 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1554 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1555 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1556 |
opn = "addu";
|
1557 |
break;
|
1558 |
case OPC_SUB:
|
1559 |
{ |
1560 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1561 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1562 |
int l1 = gen_new_label();
|
1563 |
|
1564 |
save_cpu_state(ctx, 1);
|
1565 |
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
|
1566 |
tcg_gen_ext32s_tl(r_tmp2, cpu_T[1]);
|
1567 |
tcg_gen_sub_tl(cpu_T[0], r_tmp1, r_tmp2);
|
1568 |
|
1569 |
tcg_gen_xor_tl(r_tmp2, r_tmp1, cpu_T[1]);
|
1570 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[0]);
|
1571 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1572 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
|
1573 |
tcg_gen_brcond_tl(TCG_COND_EQ, r_tmp1, tcg_const_tl(0), l1);
|
1574 |
/* operands of different sign, first operand and result different sign */
|
1575 |
generate_exception(ctx, EXCP_OVERFLOW); |
1576 |
gen_set_label(l1); |
1577 |
|
1578 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1579 |
} |
1580 |
opn = "sub";
|
1581 |
break;
|
1582 |
case OPC_SUBU:
|
1583 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1584 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1585 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1586 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1587 |
opn = "subu";
|
1588 |
break;
|
1589 |
#if defined(TARGET_MIPS64)
|
1590 |
case OPC_DADD:
|
1591 |
{ |
1592 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1593 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1594 |
int l1 = gen_new_label();
|
1595 |
|
1596 |
save_cpu_state(ctx, 1);
|
1597 |
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
|
1598 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1599 |
|
1600 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[1]);
|
1601 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1602 |
tcg_gen_xor_tl(r_tmp2, cpu_T[0], cpu_T[1]); |
1603 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1604 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
|
1605 |
tcg_gen_brcond_tl(TCG_COND_EQ, r_tmp1, tcg_const_tl(0), l1);
|
1606 |
/* operands of same sign, result different sign */
|
1607 |
generate_exception(ctx, EXCP_OVERFLOW); |
1608 |
gen_set_label(l1); |
1609 |
} |
1610 |
opn = "dadd";
|
1611 |
break;
|
1612 |
case OPC_DADDU:
|
1613 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1614 |
opn = "daddu";
|
1615 |
break;
|
1616 |
case OPC_DSUB:
|
1617 |
{ |
1618 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1619 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1620 |
int l1 = gen_new_label();
|
1621 |
|
1622 |
save_cpu_state(ctx, 1);
|
1623 |
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
|
1624 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1625 |
|
1626 |
tcg_gen_xor_tl(r_tmp2, r_tmp1, cpu_T[1]);
|
1627 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[0]);
|
1628 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1629 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
|
1630 |
tcg_gen_brcond_tl(TCG_COND_EQ, r_tmp1, tcg_const_tl(0), l1);
|
1631 |
/* operands of different sign, first operand and result different sign */
|
1632 |
generate_exception(ctx, EXCP_OVERFLOW); |
1633 |
gen_set_label(l1); |
1634 |
} |
1635 |
opn = "dsub";
|
1636 |
break;
|
1637 |
case OPC_DSUBU:
|
1638 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1639 |
opn = "dsubu";
|
1640 |
break;
|
1641 |
#endif
|
1642 |
case OPC_SLT:
|
1643 |
gen_op_lt(); |
1644 |
opn = "slt";
|
1645 |
break;
|
1646 |
case OPC_SLTU:
|
1647 |
gen_op_ltu(); |
1648 |
opn = "sltu";
|
1649 |
break;
|
1650 |
case OPC_AND:
|
1651 |
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1652 |
opn = "and";
|
1653 |
break;
|
1654 |
case OPC_NOR:
|
1655 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1656 |
tcg_gen_not_tl(cpu_T[0], cpu_T[0]); |
1657 |
opn = "nor";
|
1658 |
break;
|
1659 |
case OPC_OR:
|
1660 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1661 |
opn = "or";
|
1662 |
break;
|
1663 |
case OPC_XOR:
|
1664 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1665 |
opn = "xor";
|
1666 |
break;
|
1667 |
case OPC_MUL:
|
1668 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1669 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1670 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1671 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1672 |
opn = "mul";
|
1673 |
break;
|
1674 |
case OPC_MOVN:
|
1675 |
{ |
1676 |
int l1 = gen_new_label();
|
1677 |
|
1678 |
tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[1], tcg_const_tl(0), l1); |
1679 |
gen_store_gpr(cpu_T[0], rd);
|
1680 |
gen_set_label(l1); |
1681 |
} |
1682 |
opn = "movn";
|
1683 |
goto print;
|
1684 |
case OPC_MOVZ:
|
1685 |
{ |
1686 |
int l1 = gen_new_label();
|
1687 |
|
1688 |
tcg_gen_brcond_tl(TCG_COND_NE, cpu_T[1], tcg_const_tl(0), l1); |
1689 |
gen_store_gpr(cpu_T[0], rd);
|
1690 |
gen_set_label(l1); |
1691 |
} |
1692 |
opn = "movz";
|
1693 |
goto print;
|
1694 |
case OPC_SLLV:
|
1695 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1696 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
1697 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1698 |
tcg_gen_shl_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1699 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1700 |
opn = "sllv";
|
1701 |
break;
|
1702 |
case OPC_SRAV:
|
1703 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1704 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1705 |
tcg_gen_sar_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1706 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1707 |
opn = "srav";
|
1708 |
break;
|
1709 |
case OPC_SRLV:
|
1710 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1711 |
case 0: |
1712 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
1713 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1714 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1715 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1716 |
opn = "srlv";
|
1717 |
break;
|
1718 |
case 1: |
1719 |
/* rotrv is decoded as srlv on non-R2 CPUs */
|
1720 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1721 |
int l1 = gen_new_label();
|
1722 |
int l2 = gen_new_label();
|
1723 |
|
1724 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1725 |
tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[0], tcg_const_tl(0), l1); |
1726 |
{ |
1727 |
TCGv r_tmp1 = new_tmp(); |
1728 |
TCGv r_tmp2 = new_tmp(); |
1729 |
TCGv r_tmp3 = new_tmp(); |
1730 |
|
1731 |
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
|
1732 |
tcg_gen_trunc_tl_i32(r_tmp2, cpu_T[1]);
|
1733 |
tcg_gen_movi_i32(r_tmp3, 0x20);
|
1734 |
tcg_gen_sub_i32(r_tmp3, r_tmp3, r_tmp1); |
1735 |
tcg_gen_shl_i32(r_tmp3, r_tmp2, r_tmp3); |
1736 |
tcg_gen_shr_i32(r_tmp1, r_tmp2, r_tmp1); |
1737 |
tcg_gen_or_i32(r_tmp1, r_tmp1, r_tmp3); |
1738 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1739 |
dead_tmp(r_tmp1); |
1740 |
dead_tmp(r_tmp2); |
1741 |
dead_tmp(r_tmp3); |
1742 |
tcg_gen_br(l2); |
1743 |
} |
1744 |
gen_set_label(l1); |
1745 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
1746 |
gen_set_label(l2); |
1747 |
opn = "rotrv";
|
1748 |
} else {
|
1749 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
1750 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1751 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1752 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1753 |
opn = "srlv";
|
1754 |
} |
1755 |
break;
|
1756 |
default:
|
1757 |
MIPS_INVAL("invalid srlv flag");
|
1758 |
generate_exception(ctx, EXCP_RI); |
1759 |
break;
|
1760 |
} |
1761 |
break;
|
1762 |
#if defined(TARGET_MIPS64)
|
1763 |
case OPC_DSLLV:
|
1764 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1765 |
tcg_gen_shl_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1766 |
opn = "dsllv";
|
1767 |
break;
|
1768 |
case OPC_DSRAV:
|
1769 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1770 |
tcg_gen_sar_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1771 |
opn = "dsrav";
|
1772 |
break;
|
1773 |
case OPC_DSRLV:
|
1774 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1775 |
case 0: |
1776 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1777 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1778 |
opn = "dsrlv";
|
1779 |
break;
|
1780 |
case 1: |
1781 |
/* drotrv is decoded as dsrlv on non-R2 CPUs */
|
1782 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1783 |
int l1 = gen_new_label();
|
1784 |
int l2 = gen_new_label();
|
1785 |
|
1786 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1787 |
tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[0], tcg_const_tl(0), l1); |
1788 |
{ |
1789 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1790 |
|
1791 |
tcg_gen_movi_tl(r_tmp1, 0x40);
|
1792 |
tcg_gen_sub_tl(r_tmp1, r_tmp1, cpu_T[0]);
|
1793 |
tcg_gen_shl_tl(r_tmp1, cpu_T[1], r_tmp1);
|
1794 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1795 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1); |
1796 |
tcg_gen_br(l2); |
1797 |
} |
1798 |
gen_set_label(l1); |
1799 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
1800 |
gen_set_label(l2); |
1801 |
opn = "drotrv";
|
1802 |
} else {
|
1803 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1804 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1805 |
opn = "dsrlv";
|
1806 |
} |
1807 |
break;
|
1808 |
default:
|
1809 |
MIPS_INVAL("invalid dsrlv flag");
|
1810 |
generate_exception(ctx, EXCP_RI); |
1811 |
break;
|
1812 |
} |
1813 |
break;
|
1814 |
#endif
|
1815 |
default:
|
1816 |
MIPS_INVAL(opn); |
1817 |
generate_exception(ctx, EXCP_RI); |
1818 |
return;
|
1819 |
} |
1820 |
gen_store_gpr(cpu_T[0], rd);
|
1821 |
print:
|
1822 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1823 |
} |
1824 |
|
1825 |
/* Arithmetic on HI/LO registers */
|
1826 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
1827 |
{ |
1828 |
const char *opn = "hilo"; |
1829 |
|
1830 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
1831 |
/* Treat as NOP. */
|
1832 |
MIPS_DEBUG("NOP");
|
1833 |
return;
|
1834 |
} |
1835 |
switch (opc) {
|
1836 |
case OPC_MFHI:
|
1837 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, HI[0])); |
1838 |
gen_store_gpr(cpu_T[0], reg);
|
1839 |
opn = "mfhi";
|
1840 |
break;
|
1841 |
case OPC_MFLO:
|
1842 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, LO[0])); |
1843 |
gen_store_gpr(cpu_T[0], reg);
|
1844 |
opn = "mflo";
|
1845 |
break;
|
1846 |
case OPC_MTHI:
|
1847 |
gen_load_gpr(cpu_T[0], reg);
|
1848 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, HI[0])); |
1849 |
opn = "mthi";
|
1850 |
break;
|
1851 |
case OPC_MTLO:
|
1852 |
gen_load_gpr(cpu_T[0], reg);
|
1853 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, LO[0])); |
1854 |
opn = "mtlo";
|
1855 |
break;
|
1856 |
default:
|
1857 |
MIPS_INVAL(opn); |
1858 |
generate_exception(ctx, EXCP_RI); |
1859 |
return;
|
1860 |
} |
1861 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
1862 |
} |
1863 |
|
1864 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
1865 |
int rs, int rt) |
1866 |
{ |
1867 |
const char *opn = "mul/div"; |
1868 |
|
1869 |
gen_load_gpr(cpu_T[0], rs);
|
1870 |
gen_load_gpr(cpu_T[1], rt);
|
1871 |
switch (opc) {
|
1872 |
case OPC_DIV:
|
1873 |
{ |
1874 |
int l1 = gen_new_label();
|
1875 |
|
1876 |
tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[1], tcg_const_tl(0), l1); |
1877 |
{ |
1878 |
TCGv r_tmp1 = new_tmp(); |
1879 |
TCGv r_tmp2 = new_tmp(); |
1880 |
TCGv r_tmp3 = new_tmp(); |
1881 |
TCGv r_tc_off = new_tmp(); |
1882 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
1883 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
1884 |
|
1885 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1886 |
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
|
1887 |
tcg_gen_div_i32(r_tmp3, r_tmp1, r_tmp2); |
1888 |
tcg_gen_rem_i32(r_tmp1, r_tmp1, r_tmp2); |
1889 |
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
|
1890 |
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
|
1891 |
dead_tmp(r_tmp1); |
1892 |
dead_tmp(r_tmp2); |
1893 |
dead_tmp(r_tmp3); |
1894 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
1895 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
1896 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
1897 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
1898 |
tcg_gen_st_tl(cpu_T[0], r_ptr, offsetof(CPUState, LO));
|
1899 |
tcg_gen_st_tl(cpu_T[1], r_ptr, offsetof(CPUState, HI));
|
1900 |
dead_tmp(r_tc_off); |
1901 |
} |
1902 |
gen_set_label(l1); |
1903 |
} |
1904 |
opn = "div";
|
1905 |
break;
|
1906 |
case OPC_DIVU:
|
1907 |
{ |
1908 |
int l1 = gen_new_label();
|
1909 |
|
1910 |
tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[1], tcg_const_tl(0), l1); |
1911 |
{ |
1912 |
TCGv r_tmp1 = new_tmp(); |
1913 |
TCGv r_tmp2 = new_tmp(); |
1914 |
TCGv r_tmp3 = new_tmp(); |
1915 |
TCGv r_tc_off = new_tmp(); |
1916 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
1917 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
1918 |
|
1919 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1920 |
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
|
1921 |
tcg_gen_divu_i32(r_tmp3, r_tmp1, r_tmp2); |
1922 |
tcg_gen_remu_i32(r_tmp1, r_tmp1, r_tmp2); |
1923 |
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
|
1924 |
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
|
1925 |
dead_tmp(r_tmp1); |
1926 |
dead_tmp(r_tmp2); |
1927 |
dead_tmp(r_tmp3); |
1928 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
1929 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
1930 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
1931 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
1932 |
tcg_gen_st_tl(cpu_T[0], r_ptr, offsetof(CPUState, LO));
|
1933 |
tcg_gen_st_tl(cpu_T[1], r_ptr, offsetof(CPUState, HI));
|
1934 |
dead_tmp(r_tc_off); |
1935 |
} |
1936 |
gen_set_label(l1); |
1937 |
} |
1938 |
opn = "divu";
|
1939 |
break;
|
1940 |
case OPC_MULT:
|
1941 |
gen_op_mult(); |
1942 |
opn = "mult";
|
1943 |
break;
|
1944 |
case OPC_MULTU:
|
1945 |
gen_op_multu(); |
1946 |
opn = "multu";
|
1947 |
break;
|
1948 |
#if defined(TARGET_MIPS64)
|
1949 |
case OPC_DDIV:
|
1950 |
{ |
1951 |
int l1 = gen_new_label();
|
1952 |
|
1953 |
tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[1], tcg_const_tl(0), l1); |
1954 |
{ |
1955 |
TCGv r_tc_off = new_tmp(); |
1956 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
1957 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
1958 |
int l2 = gen_new_label();
|
1959 |
int l3 = gen_new_label();
|
1960 |
|
1961 |
tcg_gen_brcond_tl(TCG_COND_NE, cpu_T[0], tcg_const_tl(1ULL << 63), l2); |
1962 |
tcg_gen_brcond_tl(TCG_COND_NE, cpu_T[1], tcg_const_tl(-1ULL), l2); |
1963 |
tcg_gen_div_i64(cpu_T[0], cpu_T[0], cpu_T[1]); |
1964 |
tcg_gen_movi_tl(cpu_T[1], 0); |
1965 |
tcg_gen_br(l3); |
1966 |
gen_set_label(l2); |
1967 |
tcg_gen_div_i64(cpu_T[0], cpu_T[0], cpu_T[1]); |
1968 |
tcg_gen_rem_i64(cpu_T[1], cpu_T[0], cpu_T[1]); |
1969 |
gen_set_label(l3); |
1970 |
|
1971 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
1972 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
1973 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
1974 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
1975 |
tcg_gen_st_tl(cpu_T[0], r_ptr, offsetof(CPUState, LO));
|
1976 |
tcg_gen_st_tl(cpu_T[1], r_ptr, offsetof(CPUState, HI));
|
1977 |
dead_tmp(r_tc_off); |
1978 |
} |
1979 |
gen_set_label(l1); |
1980 |
} |
1981 |
opn = "ddiv";
|
1982 |
break;
|
1983 |
case OPC_DDIVU:
|
1984 |
{ |
1985 |
int l1 = gen_new_label();
|
1986 |
|
1987 |
tcg_gen_brcond_tl(TCG_COND_EQ, cpu_T[1], tcg_const_tl(0), l1); |
1988 |
{ |
1989 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64); |
1990 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64); |
1991 |
TCGv r_tc_off = new_tmp(); |
1992 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
1993 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
1994 |
|
1995 |
tcg_gen_divu_i64(r_tmp1, cpu_T[0], cpu_T[1]); |
1996 |
tcg_gen_remu_i64(r_tmp2, cpu_T[0], cpu_T[1]); |
1997 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
1998 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
1999 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
2000 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
2001 |
tcg_gen_st_tl(r_tmp1, r_ptr, offsetof(CPUState, LO)); |
2002 |
tcg_gen_st_tl(r_tmp2, r_ptr, offsetof(CPUState, HI)); |
2003 |
dead_tmp(r_tc_off); |
2004 |
} |
2005 |
gen_set_label(l1); |
2006 |
} |
2007 |
opn = "ddivu";
|
2008 |
break;
|
2009 |
case OPC_DMULT:
|
2010 |
gen_op_dmult(); |
2011 |
opn = "dmult";
|
2012 |
break;
|
2013 |
case OPC_DMULTU:
|
2014 |
gen_op_dmultu(); |
2015 |
opn = "dmultu";
|
2016 |
break;
|
2017 |
#endif
|
2018 |
case OPC_MADD:
|
2019 |
gen_op_madd(); |
2020 |
opn = "madd";
|
2021 |
break;
|
2022 |
case OPC_MADDU:
|
2023 |
gen_op_maddu(); |
2024 |
opn = "maddu";
|
2025 |
break;
|
2026 |
case OPC_MSUB:
|
2027 |
gen_op_msub(); |
2028 |
opn = "msub";
|
2029 |
break;
|
2030 |
case OPC_MSUBU:
|
2031 |
gen_op_msubu(); |
2032 |
opn = "msubu";
|
2033 |
break;
|
2034 |
default:
|
2035 |
MIPS_INVAL(opn); |
2036 |
generate_exception(ctx, EXCP_RI); |
2037 |
return;
|
2038 |
} |
2039 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
2040 |
} |
2041 |
|
2042 |
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
2043 |
int rd, int rs, int rt) |
2044 |
{ |
2045 |
const char *opn = "mul vr54xx"; |
2046 |
|
2047 |
gen_load_gpr(cpu_T[0], rs);
|
2048 |
gen_load_gpr(cpu_T[1], rt);
|
2049 |
|
2050 |
switch (opc) {
|
2051 |
case OPC_VR54XX_MULS:
|
2052 |
gen_op_muls(); |
2053 |
opn = "muls";
|
2054 |
break;
|
2055 |
case OPC_VR54XX_MULSU:
|
2056 |
gen_op_mulsu(); |
2057 |
opn = "mulsu";
|
2058 |
break;
|
2059 |
case OPC_VR54XX_MACC:
|
2060 |
gen_op_macc(); |
2061 |
opn = "macc";
|
2062 |
break;
|
2063 |
case OPC_VR54XX_MACCU:
|
2064 |
gen_op_maccu(); |
2065 |
opn = "maccu";
|
2066 |
break;
|
2067 |
case OPC_VR54XX_MSAC:
|
2068 |
gen_op_msac(); |
2069 |
opn = "msac";
|
2070 |
break;
|
2071 |
case OPC_VR54XX_MSACU:
|
2072 |
gen_op_msacu(); |
2073 |
opn = "msacu";
|
2074 |
break;
|
2075 |
case OPC_VR54XX_MULHI:
|
2076 |
gen_op_mulhi(); |
2077 |
opn = "mulhi";
|
2078 |
break;
|
2079 |
case OPC_VR54XX_MULHIU:
|
2080 |
gen_op_mulhiu(); |
2081 |
opn = "mulhiu";
|
2082 |
break;
|
2083 |
case OPC_VR54XX_MULSHI:
|
2084 |
gen_op_mulshi(); |
2085 |
opn = "mulshi";
|
2086 |
break;
|
2087 |
case OPC_VR54XX_MULSHIU:
|
2088 |
gen_op_mulshiu(); |
2089 |
opn = "mulshiu";
|
2090 |
break;
|
2091 |
case OPC_VR54XX_MACCHI:
|
2092 |
gen_op_macchi(); |
2093 |
opn = "macchi";
|
2094 |
break;
|
2095 |
case OPC_VR54XX_MACCHIU:
|
2096 |
gen_op_macchiu(); |
2097 |
opn = "macchiu";
|
2098 |
break;
|
2099 |
case OPC_VR54XX_MSACHI:
|
2100 |
gen_op_msachi(); |
2101 |
opn = "msachi";
|
2102 |
break;
|
2103 |
case OPC_VR54XX_MSACHIU:
|
2104 |
gen_op_msachiu(); |
2105 |
opn = "msachiu";
|
2106 |
break;
|
2107 |
default:
|
2108 |
MIPS_INVAL("mul vr54xx");
|
2109 |
generate_exception(ctx, EXCP_RI); |
2110 |
return;
|
2111 |
} |
2112 |
gen_store_gpr(cpu_T[0], rd);
|
2113 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
2114 |
} |
2115 |
|
2116 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
2117 |
int rd, int rs) |
2118 |
{ |
2119 |
const char *opn = "CLx"; |
2120 |
if (rd == 0) { |
2121 |
/* Treat as NOP. */
|
2122 |
MIPS_DEBUG("NOP");
|
2123 |
return;
|
2124 |
} |
2125 |
gen_load_gpr(cpu_T[0], rs);
|
2126 |
switch (opc) {
|
2127 |
case OPC_CLO:
|
2128 |
tcg_gen_helper_0_0(do_clo); |
2129 |
opn = "clo";
|
2130 |
break;
|
2131 |
case OPC_CLZ:
|
2132 |
tcg_gen_helper_0_0(do_clz); |
2133 |
opn = "clz";
|
2134 |
break;
|
2135 |
#if defined(TARGET_MIPS64)
|
2136 |
case OPC_DCLO:
|
2137 |
tcg_gen_helper_0_0(do_dclo); |
2138 |
opn = "dclo";
|
2139 |
break;
|
2140 |
case OPC_DCLZ:
|
2141 |
tcg_gen_helper_0_0(do_dclz); |
2142 |
opn = "dclz";
|
2143 |
break;
|
2144 |
#endif
|
2145 |
default:
|
2146 |
MIPS_INVAL(opn); |
2147 |
generate_exception(ctx, EXCP_RI); |
2148 |
return;
|
2149 |
} |
2150 |
gen_store_gpr(cpu_T[0], rd);
|
2151 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
2152 |
} |
2153 |
|
2154 |
/* Traps */
|
2155 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
2156 |
int rs, int rt, int16_t imm) |
2157 |
{ |
2158 |
int cond;
|
2159 |
|
2160 |
cond = 0;
|
2161 |
/* Load needed operands */
|
2162 |
switch (opc) {
|
2163 |
case OPC_TEQ:
|
2164 |
case OPC_TGE:
|
2165 |
case OPC_TGEU:
|
2166 |
case OPC_TLT:
|
2167 |
case OPC_TLTU:
|
2168 |
case OPC_TNE:
|
2169 |
/* Compare two registers */
|
2170 |
if (rs != rt) {
|
2171 |
gen_load_gpr(cpu_T[0], rs);
|
2172 |
gen_load_gpr(cpu_T[1], rt);
|
2173 |
cond = 1;
|
2174 |
} |
2175 |
break;
|
2176 |
case OPC_TEQI:
|
2177 |
case OPC_TGEI:
|
2178 |
case OPC_TGEIU:
|
2179 |
case OPC_TLTI:
|
2180 |
case OPC_TLTIU:
|
2181 |
case OPC_TNEI:
|
2182 |
/* Compare register to immediate */
|
2183 |
if (rs != 0 || imm != 0) { |
2184 |
gen_load_gpr(cpu_T[0], rs);
|
2185 |
tcg_gen_movi_tl(cpu_T[1], (int32_t)imm);
|
2186 |
cond = 1;
|
2187 |
} |
2188 |
break;
|
2189 |
} |
2190 |
if (cond == 0) { |
2191 |
switch (opc) {
|
2192 |
case OPC_TEQ: /* rs == rs */ |
2193 |
case OPC_TEQI: /* r0 == 0 */ |
2194 |
case OPC_TGE: /* rs >= rs */ |
2195 |
case OPC_TGEI: /* r0 >= 0 */ |
2196 |
case OPC_TGEU: /* rs >= rs unsigned */ |
2197 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
2198 |
/* Always trap */
|
2199 |
tcg_gen_movi_tl(cpu_T[0], 1); |
2200 |
break;
|
2201 |
case OPC_TLT: /* rs < rs */ |
2202 |
case OPC_TLTI: /* r0 < 0 */ |
2203 |
case OPC_TLTU: /* rs < rs unsigned */ |
2204 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
2205 |
case OPC_TNE: /* rs != rs */ |
2206 |
case OPC_TNEI: /* r0 != 0 */ |
2207 |
/* Never trap: treat as NOP. */
|
2208 |
return;
|
2209 |
default:
|
2210 |
MIPS_INVAL("trap");
|
2211 |
generate_exception(ctx, EXCP_RI); |
2212 |
return;
|
2213 |
} |
2214 |
} else {
|
2215 |
switch (opc) {
|
2216 |
case OPC_TEQ:
|
2217 |
case OPC_TEQI:
|
2218 |
gen_op_eq(); |
2219 |
break;
|
2220 |
case OPC_TGE:
|
2221 |
case OPC_TGEI:
|
2222 |
gen_op_ge(); |
2223 |
break;
|
2224 |
case OPC_TGEU:
|
2225 |
case OPC_TGEIU:
|
2226 |
gen_op_geu(); |
2227 |
break;
|
2228 |
case OPC_TLT:
|
2229 |
case OPC_TLTI:
|
2230 |
gen_op_lt(); |
2231 |
break;
|
2232 |
case OPC_TLTU:
|
2233 |
case OPC_TLTIU:
|
2234 |
gen_op_ltu(); |
2235 |
break;
|
2236 |
case OPC_TNE:
|
2237 |
case OPC_TNEI:
|
2238 |
gen_op_ne(); |
2239 |
break;
|
2240 |
default:
|
2241 |
MIPS_INVAL("trap");
|
2242 |
generate_exception(ctx, EXCP_RI); |
2243 |
return;
|
2244 |
} |
2245 |
} |
2246 |
save_cpu_state(ctx, 1);
|
2247 |
gen_op_trap(); |
2248 |
ctx->bstate = BS_STOP; |
2249 |
} |
2250 |
|
2251 |
static always_inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
2252 |
{ |
2253 |
TranslationBlock *tb; |
2254 |
tb = ctx->tb; |
2255 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
|
2256 |
tcg_gen_goto_tb(n); |
2257 |
gen_save_pc(dest); |
2258 |
tcg_gen_exit_tb((long)tb + n);
|
2259 |
} else {
|
2260 |
gen_save_pc(dest); |
2261 |
tcg_gen_exit_tb(0);
|
2262 |
} |
2263 |
} |
2264 |
|
2265 |
/* Branches (before delay slot) */
|
2266 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
2267 |
int rs, int rt, int32_t offset) |
2268 |
{ |
2269 |
target_ulong btarget = -1;
|
2270 |
int blink = 0; |
2271 |
int bcond = 0; |
2272 |
|
2273 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
2274 |
#ifdef MIPS_DEBUG_DISAS
|
2275 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2276 |
fprintf(logfile, |
2277 |
"Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", |
2278 |
ctx->pc); |
2279 |
} |
2280 |
#endif
|
2281 |
generate_exception(ctx, EXCP_RI); |
2282 |
return;
|
2283 |
} |
2284 |
|
2285 |
/* Load needed operands */
|
2286 |
switch (opc) {
|
2287 |
case OPC_BEQ:
|
2288 |
case OPC_BEQL:
|
2289 |
case OPC_BNE:
|
2290 |
case OPC_BNEL:
|
2291 |
/* Compare two registers */
|
2292 |
if (rs != rt) {
|
2293 |
gen_load_gpr(cpu_T[0], rs);
|
2294 |
gen_load_gpr(cpu_T[1], rt);
|
2295 |
bcond = 1;
|
2296 |
} |
2297 |
btarget = ctx->pc + 4 + offset;
|
2298 |
break;
|
2299 |
case OPC_BGEZ:
|
2300 |
case OPC_BGEZAL:
|
2301 |
case OPC_BGEZALL:
|
2302 |
case OPC_BGEZL:
|
2303 |
case OPC_BGTZ:
|
2304 |
case OPC_BGTZL:
|
2305 |
case OPC_BLEZ:
|
2306 |
case OPC_BLEZL:
|
2307 |
case OPC_BLTZ:
|
2308 |
case OPC_BLTZAL:
|
2309 |
case OPC_BLTZALL:
|
2310 |
case OPC_BLTZL:
|
2311 |
/* Compare to zero */
|
2312 |
if (rs != 0) { |
2313 |
gen_load_gpr(cpu_T[0], rs);
|
2314 |
bcond = 1;
|
2315 |
} |
2316 |
btarget = ctx->pc + 4 + offset;
|
2317 |
break;
|
2318 |
case OPC_J:
|
2319 |
case OPC_JAL:
|
2320 |
/* Jump to immediate */
|
2321 |
btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; |
2322 |
break;
|
2323 |
case OPC_JR:
|
2324 |
case OPC_JALR:
|
2325 |
/* Jump to register */
|
2326 |
if (offset != 0 && offset != 16) { |
2327 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
2328 |
others are reserved. */
|
2329 |
MIPS_INVAL("jump hint");
|
2330 |
generate_exception(ctx, EXCP_RI); |
2331 |
return;
|
2332 |
} |
2333 |
gen_save_breg_target(rs); |
2334 |
break;
|
2335 |
default:
|
2336 |
MIPS_INVAL("branch/jump");
|
2337 |
generate_exception(ctx, EXCP_RI); |
2338 |
return;
|
2339 |
} |
2340 |
if (bcond == 0) { |
2341 |
/* No condition to be computed */
|
2342 |
switch (opc) {
|
2343 |
case OPC_BEQ: /* rx == rx */ |
2344 |
case OPC_BEQL: /* rx == rx likely */ |
2345 |
case OPC_BGEZ: /* 0 >= 0 */ |
2346 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
2347 |
case OPC_BLEZ: /* 0 <= 0 */ |
2348 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
2349 |
/* Always take */
|
2350 |
ctx->hflags |= MIPS_HFLAG_B; |
2351 |
MIPS_DEBUG("balways");
|
2352 |
break;
|
2353 |
case OPC_BGEZAL: /* 0 >= 0 */ |
2354 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
2355 |
/* Always take and link */
|
2356 |
blink = 31;
|
2357 |
ctx->hflags |= MIPS_HFLAG_B; |
2358 |
MIPS_DEBUG("balways and link");
|
2359 |
break;
|
2360 |
case OPC_BNE: /* rx != rx */ |
2361 |
case OPC_BGTZ: /* 0 > 0 */ |
2362 |
case OPC_BLTZ: /* 0 < 0 */ |
2363 |
/* Treat as NOP. */
|
2364 |
MIPS_DEBUG("bnever (NOP)");
|
2365 |
return;
|
2366 |
case OPC_BLTZAL: /* 0 < 0 */ |
2367 |
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8); |
2368 |
gen_store_gpr(cpu_T[0], 31); |
2369 |
MIPS_DEBUG("bnever and link");
|
2370 |
return;
|
2371 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
2372 |
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8); |
2373 |
gen_store_gpr(cpu_T[0], 31); |
2374 |
/* Skip the instruction in the delay slot */
|
2375 |
MIPS_DEBUG("bnever, link and skip");
|
2376 |
ctx->pc += 4;
|
2377 |
return;
|
2378 |
case OPC_BNEL: /* rx != rx likely */ |
2379 |
case OPC_BGTZL: /* 0 > 0 likely */ |
2380 |
case OPC_BLTZL: /* 0 < 0 likely */ |
2381 |
/* Skip the instruction in the delay slot */
|
2382 |
MIPS_DEBUG("bnever and skip");
|
2383 |
ctx->pc += 4;
|
2384 |
return;
|
2385 |
case OPC_J:
|
2386 |
ctx->hflags |= MIPS_HFLAG_B; |
2387 |
MIPS_DEBUG("j " TARGET_FMT_lx, btarget);
|
2388 |
break;
|
2389 |
case OPC_JAL:
|
2390 |
blink = 31;
|
2391 |
ctx->hflags |= MIPS_HFLAG_B; |
2392 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btarget);
|
2393 |
break;
|
2394 |
case OPC_JR:
|
2395 |
ctx->hflags |= MIPS_HFLAG_BR; |
2396 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
2397 |
break;
|
2398 |
case OPC_JALR:
|
2399 |
blink = rt; |
2400 |
ctx->hflags |= MIPS_HFLAG_BR; |
2401 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
2402 |
break;
|
2403 |
default:
|
2404 |
MIPS_INVAL("branch/jump");
|
2405 |
generate_exception(ctx, EXCP_RI); |
2406 |
return;
|
2407 |
} |
2408 |
} else {
|
2409 |
switch (opc) {
|
2410 |
case OPC_BEQ:
|
2411 |
gen_op_eq(); |
2412 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
2413 |
regnames[rs], regnames[rt], btarget); |
2414 |
goto not_likely;
|
2415 |
case OPC_BEQL:
|
2416 |
gen_op_eq(); |
2417 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
2418 |
regnames[rs], regnames[rt], btarget); |
2419 |
goto likely;
|
2420 |
case OPC_BNE:
|
2421 |
gen_op_ne(); |
2422 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
2423 |
regnames[rs], regnames[rt], btarget); |
2424 |
goto not_likely;
|
2425 |
case OPC_BNEL:
|
2426 |
gen_op_ne(); |
2427 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
2428 |
regnames[rs], regnames[rt], btarget); |
2429 |
goto likely;
|
2430 |
case OPC_BGEZ:
|
2431 |
gen_op_gez(); |
2432 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2433 |
goto not_likely;
|
2434 |
case OPC_BGEZL:
|
2435 |
gen_op_gez(); |
2436 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2437 |
goto likely;
|
2438 |
case OPC_BGEZAL:
|
2439 |
gen_op_gez(); |
2440 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2441 |
blink = 31;
|
2442 |
goto not_likely;
|
2443 |
case OPC_BGEZALL:
|
2444 |
gen_op_gez(); |
2445 |
blink = 31;
|
2446 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2447 |
goto likely;
|
2448 |
case OPC_BGTZ:
|
2449 |
gen_op_gtz(); |
2450 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2451 |
goto not_likely;
|
2452 |
case OPC_BGTZL:
|
2453 |
gen_op_gtz(); |
2454 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2455 |
goto likely;
|
2456 |
case OPC_BLEZ:
|
2457 |
gen_op_lez(); |
2458 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2459 |
goto not_likely;
|
2460 |
case OPC_BLEZL:
|
2461 |
gen_op_lez(); |
2462 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2463 |
goto likely;
|
2464 |
case OPC_BLTZ:
|
2465 |
gen_op_ltz(); |
2466 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2467 |
goto not_likely;
|
2468 |
case OPC_BLTZL:
|
2469 |
gen_op_ltz(); |
2470 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2471 |
goto likely;
|
2472 |
case OPC_BLTZAL:
|
2473 |
gen_op_ltz(); |
2474 |
blink = 31;
|
2475 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2476 |
not_likely:
|
2477 |
ctx->hflags |= MIPS_HFLAG_BC; |
2478 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
2479 |
break;
|
2480 |
case OPC_BLTZALL:
|
2481 |
gen_op_ltz(); |
2482 |
blink = 31;
|
2483 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2484 |
likely:
|
2485 |
ctx->hflags |= MIPS_HFLAG_BL; |
2486 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
2487 |
break;
|
2488 |
default:
|
2489 |
MIPS_INVAL("conditional branch/jump");
|
2490 |
generate_exception(ctx, EXCP_RI); |
2491 |
return;
|
2492 |
} |
2493 |
} |
2494 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
2495 |
blink, ctx->hflags, btarget); |
2496 |
|
2497 |
ctx->btarget = btarget; |
2498 |
if (blink > 0) { |
2499 |
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8); |
2500 |
gen_store_gpr(cpu_T[0], blink);
|
2501 |
} |
2502 |
} |
2503 |
|
2504 |
/* special3 bitfield operations */
|
2505 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
2506 |
int rs, int lsb, int msb) |
2507 |
{ |
2508 |
gen_load_gpr(cpu_T[1], rs);
|
2509 |
switch (opc) {
|
2510 |
case OPC_EXT:
|
2511 |
if (lsb + msb > 31) |
2512 |
goto fail;
|
2513 |
gen_op_ext(lsb, msb + 1);
|
2514 |
break;
|
2515 |
#if defined(TARGET_MIPS64)
|
2516 |
case OPC_DEXTM:
|
2517 |
if (lsb + msb > 63) |
2518 |
goto fail;
|
2519 |
gen_op_dext(lsb, msb + 1 + 32); |
2520 |
break;
|
2521 |
case OPC_DEXTU:
|
2522 |
if (lsb + msb > 63) |
2523 |
goto fail;
|
2524 |
gen_op_dext(lsb + 32, msb + 1); |
2525 |
break;
|
2526 |
case OPC_DEXT:
|
2527 |
if (lsb + msb > 63) |
2528 |
goto fail;
|
2529 |
gen_op_dext(lsb, msb + 1);
|
2530 |
break;
|
2531 |
#endif
|
2532 |
case OPC_INS:
|
2533 |
if (lsb > msb)
|
2534 |
goto fail;
|
2535 |
gen_load_gpr(cpu_T[0], rt);
|
2536 |
gen_op_ins(lsb, msb - lsb + 1);
|
2537 |
break;
|
2538 |
#if defined(TARGET_MIPS64)
|
2539 |
case OPC_DINSM:
|
2540 |
if (lsb > msb)
|
2541 |
goto fail;
|
2542 |
gen_load_gpr(cpu_T[0], rt);
|
2543 |
gen_op_dins(lsb, msb - lsb + 1 + 32); |
2544 |
break;
|
2545 |
case OPC_DINSU:
|
2546 |
if (lsb > msb)
|
2547 |
goto fail;
|
2548 |
gen_load_gpr(cpu_T[0], rt);
|
2549 |
gen_op_dins(lsb + 32, msb - lsb + 1); |
2550 |
break;
|
2551 |
case OPC_DINS:
|
2552 |
if (lsb > msb)
|
2553 |
goto fail;
|
2554 |
gen_load_gpr(cpu_T[0], rt);
|
2555 |
gen_op_dins(lsb, msb - lsb + 1);
|
2556 |
break;
|
2557 |
#endif
|
2558 |
default:
|
2559 |
fail:
|
2560 |
MIPS_INVAL("bitops");
|
2561 |
generate_exception(ctx, EXCP_RI); |
2562 |
return;
|
2563 |
} |
2564 |
gen_store_gpr(cpu_T[0], rt);
|
2565 |
} |
2566 |
|
2567 |
/* CP0 (MMU and control) */
|
2568 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
2569 |
{ |
2570 |
const char *rn = "invalid"; |
2571 |
|
2572 |
if (sel != 0) |
2573 |
check_insn(env, ctx, ISA_MIPS32); |
2574 |
|
2575 |
switch (reg) {
|
2576 |
case 0: |
2577 |
switch (sel) {
|
2578 |
case 0: |
2579 |
gen_op_mfc0_index(); |
2580 |
rn = "Index";
|
2581 |
break;
|
2582 |
case 1: |
2583 |
check_insn(env, ctx, ASE_MT); |
2584 |
gen_op_mfc0_mvpcontrol(); |
2585 |
rn = "MVPControl";
|
2586 |
break;
|
2587 |
case 2: |
2588 |
check_insn(env, ctx, ASE_MT); |
2589 |
gen_op_mfc0_mvpconf0(); |
2590 |
rn = "MVPConf0";
|
2591 |
break;
|
2592 |
case 3: |
2593 |
check_insn(env, ctx, ASE_MT); |
2594 |
gen_op_mfc0_mvpconf1(); |
2595 |
rn = "MVPConf1";
|
2596 |
break;
|
2597 |
default:
|
2598 |
goto die;
|
2599 |
} |
2600 |
break;
|
2601 |
case 1: |
2602 |
switch (sel) {
|
2603 |
case 0: |
2604 |
gen_op_mfc0_random(); |
2605 |
rn = "Random";
|
2606 |
break;
|
2607 |
case 1: |
2608 |
check_insn(env, ctx, ASE_MT); |
2609 |
gen_op_mfc0_vpecontrol(); |
2610 |
rn = "VPEControl";
|
2611 |
break;
|
2612 |
case 2: |
2613 |
check_insn(env, ctx, ASE_MT); |
2614 |
gen_op_mfc0_vpeconf0(); |
2615 |
rn = "VPEConf0";
|
2616 |
break;
|
2617 |
case 3: |
2618 |
check_insn(env, ctx, ASE_MT); |
2619 |
gen_op_mfc0_vpeconf1(); |
2620 |
rn = "VPEConf1";
|
2621 |
break;
|
2622 |
case 4: |
2623 |
check_insn(env, ctx, ASE_MT); |
2624 |
gen_op_mfc0_yqmask(); |
2625 |
rn = "YQMask";
|
2626 |
break;
|
2627 |
case 5: |
2628 |
check_insn(env, ctx, ASE_MT); |
2629 |
gen_op_mfc0_vpeschedule(); |
2630 |
rn = "VPESchedule";
|
2631 |
break;
|
2632 |
case 6: |
2633 |
check_insn(env, ctx, ASE_MT); |
2634 |
gen_op_mfc0_vpeschefback(); |
2635 |
rn = "VPEScheFBack";
|
2636 |
break;
|
2637 |
case 7: |
2638 |
check_insn(env, ctx, ASE_MT); |
2639 |
gen_op_mfc0_vpeopt(); |
2640 |
rn = "VPEOpt";
|
2641 |
break;
|
2642 |
default:
|
2643 |
goto die;
|
2644 |
} |
2645 |
break;
|
2646 |
case 2: |
2647 |
switch (sel) {
|
2648 |
case 0: |
2649 |
gen_op_mfc0_entrylo0(); |
2650 |
rn = "EntryLo0";
|
2651 |
break;
|
2652 |
case 1: |
2653 |
check_insn(env, ctx, ASE_MT); |
2654 |
gen_op_mfc0_tcstatus(); |
2655 |
rn = "TCStatus";
|
2656 |
break;
|
2657 |
case 2: |
2658 |
check_insn(env, ctx, ASE_MT); |
2659 |
gen_op_mfc0_tcbind(); |
2660 |
rn = "TCBind";
|
2661 |
break;
|
2662 |
case 3: |
2663 |
check_insn(env, ctx, ASE_MT); |
2664 |
gen_op_mfc0_tcrestart(); |
2665 |
rn = "TCRestart";
|
2666 |
break;
|
2667 |
case 4: |
2668 |
check_insn(env, ctx, ASE_MT); |
2669 |
gen_op_mfc0_tchalt(); |
2670 |
rn = "TCHalt";
|
2671 |
break;
|
2672 |
case 5: |
2673 |
check_insn(env, ctx, ASE_MT); |
2674 |
gen_op_mfc0_tccontext(); |
2675 |
rn = "TCContext";
|
2676 |
break;
|
2677 |
case 6: |
2678 |
check_insn(env, ctx, ASE_MT); |
2679 |
gen_op_mfc0_tcschedule(); |
2680 |
rn = "TCSchedule";
|
2681 |
break;
|
2682 |
case 7: |
2683 |
check_insn(env, ctx, ASE_MT); |
2684 |
gen_op_mfc0_tcschefback(); |
2685 |
rn = "TCScheFBack";
|
2686 |
break;
|
2687 |
default:
|
2688 |
goto die;
|
2689 |
} |
2690 |
break;
|
2691 |
case 3: |
2692 |
switch (sel) {
|
2693 |
case 0: |
2694 |
gen_op_mfc0_entrylo1(); |
2695 |
rn = "EntryLo1";
|
2696 |
break;
|
2697 |
default:
|
2698 |
goto die;
|
2699 |
} |
2700 |
break;
|
2701 |
case 4: |
2702 |
switch (sel) {
|
2703 |
case 0: |
2704 |
gen_op_mfc0_context(); |
2705 |
rn = "Context";
|
2706 |
break;
|
2707 |
case 1: |
2708 |
// gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
|
2709 |
rn = "ContextConfig";
|
2710 |
// break;
|
2711 |
default:
|
2712 |
goto die;
|
2713 |
} |
2714 |
break;
|
2715 |
case 5: |
2716 |
switch (sel) {
|
2717 |
case 0: |
2718 |
gen_op_mfc0_pagemask(); |
2719 |
rn = "PageMask";
|
2720 |
break;
|
2721 |
case 1: |
2722 |
check_insn(env, ctx, ISA_MIPS32R2); |
2723 |
gen_op_mfc0_pagegrain(); |
2724 |
rn = "PageGrain";
|
2725 |
break;
|
2726 |
default:
|
2727 |
goto die;
|
2728 |
} |
2729 |
break;
|
2730 |
case 6: |
2731 |
switch (sel) {
|
2732 |
case 0: |
2733 |
gen_op_mfc0_wired(); |
2734 |
rn = "Wired";
|
2735 |
break;
|
2736 |
case 1: |
2737 |
check_insn(env, ctx, ISA_MIPS32R2); |
2738 |
gen_op_mfc0_srsconf0(); |
2739 |
rn = "SRSConf0";
|
2740 |
break;
|
2741 |
case 2: |
2742 |
check_insn(env, ctx, ISA_MIPS32R2); |
2743 |
gen_op_mfc0_srsconf1(); |
2744 |
rn = "SRSConf1";
|
2745 |
break;
|
2746 |
case 3: |
2747 |
check_insn(env, ctx, ISA_MIPS32R2); |
2748 |
gen_op_mfc0_srsconf2(); |
2749 |
rn = "SRSConf2";
|
2750 |
break;
|
2751 |
case 4: |
2752 |
check_insn(env, ctx, ISA_MIPS32R2); |
2753 |
gen_op_mfc0_srsconf3(); |
2754 |
rn = "SRSConf3";
|
2755 |
break;
|
2756 |
case 5: |
2757 |
check_insn(env, ctx, ISA_MIPS32R2); |
2758 |
gen_op_mfc0_srsconf4(); |
2759 |
rn = "SRSConf4";
|
2760 |
break;
|
2761 |
default:
|
2762 |
goto die;
|
2763 |
} |
2764 |
break;
|
2765 |
case 7: |
2766 |
switch (sel) {
|
2767 |
case 0: |
2768 |
check_insn(env, ctx, ISA_MIPS32R2); |
2769 |
gen_op_mfc0_hwrena(); |
2770 |
rn = "HWREna";
|
2771 |
break;
|
2772 |
default:
|
2773 |
goto die;
|
2774 |
} |
2775 |
break;
|
2776 |
case 8: |
2777 |
switch (sel) {
|
2778 |
case 0: |
2779 |
gen_op_mfc0_badvaddr(); |
2780 |
rn = "BadVaddr";
|
2781 |
break;
|
2782 |
default:
|
2783 |
goto die;
|
2784 |
} |
2785 |
break;
|
2786 |
case 9: |
2787 |
switch (sel) {
|
2788 |
case 0: |
2789 |
gen_op_mfc0_count(); |
2790 |
rn = "Count";
|
2791 |
break;
|
2792 |
/* 6,7 are implementation dependent */
|
2793 |
default:
|
2794 |
goto die;
|
2795 |
} |
2796 |
break;
|
2797 |
case 10: |
2798 |
switch (sel) {
|
2799 |
case 0: |
2800 |
gen_op_mfc0_entryhi(); |
2801 |
rn = "EntryHi";
|
2802 |
break;
|
2803 |
default:
|
2804 |
goto die;
|
2805 |
} |
2806 |
break;
|
2807 |
case 11: |
2808 |
switch (sel) {
|
2809 |
case 0: |
2810 |
gen_op_mfc0_compare(); |
2811 |
rn = "Compare";
|
2812 |
break;
|
2813 |
/* 6,7 are implementation dependent */
|
2814 |
default:
|
2815 |
goto die;
|
2816 |
} |
2817 |
break;
|
2818 |
case 12: |
2819 |
switch (sel) {
|
2820 |
case 0: |
2821 |
gen_op_mfc0_status(); |
2822 |
rn = "Status";
|
2823 |
break;
|
2824 |
case 1: |
2825 |
check_insn(env, ctx, ISA_MIPS32R2); |
2826 |
gen_op_mfc0_intctl(); |
2827 |
rn = "IntCtl";
|
2828 |
break;
|
2829 |
case 2: |
2830 |
check_insn(env, ctx, ISA_MIPS32R2); |
2831 |
gen_op_mfc0_srsctl(); |
2832 |
rn = "SRSCtl";
|
2833 |
break;
|
2834 |
case 3: |
2835 |
check_insn(env, ctx, ISA_MIPS32R2); |
2836 |
gen_op_mfc0_srsmap(); |
2837 |
rn = "SRSMap";
|
2838 |
break;
|
2839 |
default:
|
2840 |
goto die;
|
2841 |
} |
2842 |
break;
|
2843 |
case 13: |
2844 |
switch (sel) {
|
2845 |
case 0: |
2846 |
gen_op_mfc0_cause(); |
2847 |
rn = "Cause";
|
2848 |
break;
|
2849 |
default:
|
2850 |
goto die;
|
2851 |
} |
2852 |
break;
|
2853 |
case 14: |
2854 |
switch (sel) {
|
2855 |
case 0: |
2856 |
gen_op_mfc0_epc(); |
2857 |
rn = "EPC";
|
2858 |
break;
|
2859 |
default:
|
2860 |
goto die;
|
2861 |
} |
2862 |
break;
|
2863 |
case 15: |
2864 |
switch (sel) {
|
2865 |
case 0: |
2866 |
gen_op_mfc0_prid(); |
2867 |
rn = "PRid";
|
2868 |
break;
|
2869 |
case 1: |
2870 |
check_insn(env, ctx, ISA_MIPS32R2); |
2871 |
gen_op_mfc0_ebase(); |
2872 |
rn = "EBase";
|
2873 |
break;
|
2874 |
default:
|
2875 |
goto die;
|
2876 |
} |
2877 |
break;
|
2878 |
case 16: |
2879 |
switch (sel) {
|
2880 |
case 0: |
2881 |
gen_op_mfc0_config0(); |
2882 |
rn = "Config";
|
2883 |
break;
|
2884 |
case 1: |
2885 |
gen_op_mfc0_config1(); |
2886 |
rn = "Config1";
|
2887 |
break;
|
2888 |
case 2: |
2889 |
gen_op_mfc0_config2(); |
2890 |
rn = "Config2";
|
2891 |
break;
|
2892 |
case 3: |
2893 |
gen_op_mfc0_config3(); |
2894 |
rn = "Config3";
|
2895 |
break;
|
2896 |
/* 4,5 are reserved */
|
2897 |
/* 6,7 are implementation dependent */
|
2898 |
case 6: |
2899 |
gen_op_mfc0_config6(); |
2900 |
rn = "Config6";
|
2901 |
break;
|
2902 |
case 7: |
2903 |
gen_op_mfc0_config7(); |
2904 |
rn = "Config7";
|
2905 |
break;
|
2906 |
default:
|
2907 |
goto die;
|
2908 |
} |
2909 |
break;
|
2910 |
case 17: |
2911 |
switch (sel) {
|
2912 |
case 0: |
2913 |
gen_op_mfc0_lladdr(); |
2914 |
rn = "LLAddr";
|
2915 |
break;
|
2916 |
default:
|
2917 |
goto die;
|
2918 |
} |
2919 |
break;
|
2920 |
case 18: |
2921 |
switch (sel) {
|
2922 |
case 0 ... 7: |
2923 |
gen_op_mfc0_watchlo(sel); |
2924 |
rn = "WatchLo";
|
2925 |
break;
|
2926 |
default:
|
2927 |
goto die;
|
2928 |
} |
2929 |
break;
|
2930 |
case 19: |
2931 |
switch (sel) {
|
2932 |
case 0 ...7: |
2933 |
gen_op_mfc0_watchhi(sel); |
2934 |
rn = "WatchHi";
|
2935 |
break;
|
2936 |
default:
|
2937 |
goto die;
|
2938 |
} |
2939 |
break;
|
2940 |
case 20: |
2941 |
switch (sel) {
|
2942 |
case 0: |
2943 |
#if defined(TARGET_MIPS64)
|
2944 |
check_insn(env, ctx, ISA_MIPS3); |
2945 |
gen_op_mfc0_xcontext(); |
2946 |
rn = "XContext";
|
2947 |
break;
|
2948 |
#endif
|
2949 |
default:
|
2950 |
goto die;
|
2951 |
} |
2952 |
break;
|
2953 |
case 21: |
2954 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
2955 |
switch (sel) {
|
2956 |
case 0: |
2957 |
gen_op_mfc0_framemask(); |
2958 |
rn = "Framemask";
|
2959 |
break;
|
2960 |
default:
|
2961 |
goto die;
|
2962 |
} |
2963 |
break;
|
2964 |
case 22: |
2965 |
/* ignored */
|
2966 |
rn = "'Diagnostic"; /* implementation dependent */ |
2967 |
break;
|
2968 |
case 23: |
2969 |
switch (sel) {
|
2970 |
case 0: |
2971 |
gen_op_mfc0_debug(); /* EJTAG support */
|
2972 |
rn = "Debug";
|
2973 |
break;
|
2974 |
case 1: |
2975 |
// gen_op_mfc0_tracecontrol(); /* PDtrace support */
|
2976 |
rn = "TraceControl";
|
2977 |
// break;
|
2978 |
case 2: |
2979 |
// gen_op_mfc0_tracecontrol2(); /* PDtrace support */
|
2980 |
rn = "TraceControl2";
|
2981 |
// break;
|
2982 |
case 3: |
2983 |
// gen_op_mfc0_usertracedata(); /* PDtrace support */
|
2984 |
rn = "UserTraceData";
|
2985 |
// break;
|
2986 |
case 4: |
2987 |
// gen_op_mfc0_debug(); /* PDtrace support */
|
2988 |
rn = "TraceBPC";
|
2989 |
// break;
|
2990 |
default:
|
2991 |
goto die;
|
2992 |
} |
2993 |
break;
|
2994 |
case 24: |
2995 |
switch (sel) {
|
2996 |
case 0: |
2997 |
gen_op_mfc0_depc(); /* EJTAG support */
|
2998 |
rn = "DEPC";
|
2999 |
break;
|
3000 |
default:
|
3001 |
goto die;
|
3002 |
} |
3003 |
break;
|
3004 |
case 25: |
3005 |
switch (sel) {
|
3006 |
case 0: |
3007 |
gen_op_mfc0_performance0(); |
3008 |
rn = "Performance0";
|
3009 |
break;
|
3010 |
case 1: |
3011 |
// gen_op_mfc0_performance1();
|
3012 |
rn = "Performance1";
|
3013 |
// break;
|
3014 |
case 2: |
3015 |
// gen_op_mfc0_performance2();
|
3016 |
rn = "Performance2";
|
3017 |
// break;
|
3018 |
case 3: |
3019 |
// gen_op_mfc0_performance3();
|
3020 |
rn = "Performance3";
|
3021 |
// break;
|
3022 |
case 4: |
3023 |
// gen_op_mfc0_performance4();
|
3024 |
rn = "Performance4";
|
3025 |
// break;
|
3026 |
case 5: |
3027 |
// gen_op_mfc0_performance5();
|
3028 |
rn = "Performance5";
|
3029 |
// break;
|
3030 |
case 6: |
3031 |
// gen_op_mfc0_performance6();
|
3032 |
rn = "Performance6";
|
3033 |
// break;
|
3034 |
case 7: |
3035 |
// gen_op_mfc0_performance7();
|
3036 |
rn = "Performance7";
|
3037 |
// break;
|
3038 |
default:
|
3039 |
goto die;
|
3040 |
} |
3041 |
break;
|
3042 |
case 26: |
3043 |
rn = "ECC";
|
3044 |
break;
|
3045 |
case 27: |
3046 |
switch (sel) {
|
3047 |
/* ignored */
|
3048 |
case 0 ... 3: |
3049 |
rn = "CacheErr";
|
3050 |
break;
|
3051 |
default:
|
3052 |
goto die;
|
3053 |
} |
3054 |
break;
|
3055 |
case 28: |
3056 |
switch (sel) {
|
3057 |
case 0: |
3058 |
case 2: |
3059 |
case 4: |
3060 |
case 6: |
3061 |
gen_op_mfc0_taglo(); |
3062 |
rn = "TagLo";
|
3063 |
break;
|
3064 |
case 1: |
3065 |
case 3: |
3066 |
case 5: |
3067 |
case 7: |
3068 |
gen_op_mfc0_datalo(); |
3069 |
rn = "DataLo";
|
3070 |
break;
|
3071 |
default:
|
3072 |
goto die;
|
3073 |
} |
3074 |
break;
|
3075 |
case 29: |
3076 |
switch (sel) {
|
3077 |
case 0: |
3078 |
case 2: |
3079 |
case 4: |
3080 |
case 6: |
3081 |
gen_op_mfc0_taghi(); |
3082 |
rn = "TagHi";
|
3083 |
break;
|
3084 |
case 1: |
3085 |
case 3: |
3086 |
case 5: |
3087 |
case 7: |
3088 |
gen_op_mfc0_datahi(); |
3089 |
rn = "DataHi";
|
3090 |
break;
|
3091 |
default:
|
3092 |
goto die;
|
3093 |
} |
3094 |
break;
|
3095 |
case 30: |
3096 |
switch (sel) {
|
3097 |
case 0: |
3098 |
gen_op_mfc0_errorepc(); |
3099 |
rn = "ErrorEPC";
|
3100 |
break;
|
3101 |
default:
|
3102 |
goto die;
|
3103 |
} |
3104 |
break;
|
3105 |
case 31: |
3106 |
switch (sel) {
|
3107 |
case 0: |
3108 |
gen_op_mfc0_desave(); /* EJTAG support */
|
3109 |
rn = "DESAVE";
|
3110 |
break;
|
3111 |
default:
|
3112 |
goto die;
|
3113 |
} |
3114 |
break;
|
3115 |
default:
|
3116 |
goto die;
|
3117 |
} |
3118 |
#if defined MIPS_DEBUG_DISAS
|
3119 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3120 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
3121 |
rn, reg, sel); |
3122 |
} |
3123 |
#endif
|
3124 |
return;
|
3125 |
|
3126 |
die:
|
3127 |
#if defined MIPS_DEBUG_DISAS
|
3128 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3129 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
3130 |
rn, reg, sel); |
3131 |
} |
3132 |
#endif
|
3133 |
generate_exception(ctx, EXCP_RI); |
3134 |
} |
3135 |
|
3136 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3137 |
{ |
3138 |
const char *rn = "invalid"; |
3139 |
|
3140 |
if (sel != 0) |
3141 |
check_insn(env, ctx, ISA_MIPS32); |
3142 |
|
3143 |
switch (reg) {
|
3144 |
case 0: |
3145 |
switch (sel) {
|
3146 |
case 0: |
3147 |
gen_op_mtc0_index(); |
3148 |
rn = "Index";
|
3149 |
break;
|
3150 |
case 1: |
3151 |
check_insn(env, ctx, ASE_MT); |
3152 |
gen_op_mtc0_mvpcontrol(); |
3153 |
rn = "MVPControl";
|
3154 |
break;
|
3155 |
case 2: |
3156 |
check_insn(env, ctx, ASE_MT); |
3157 |
/* ignored */
|
3158 |
rn = "MVPConf0";
|
3159 |
break;
|
3160 |
case 3: |
3161 |
check_insn(env, ctx, ASE_MT); |
3162 |
/* ignored */
|
3163 |
rn = "MVPConf1";
|
3164 |
break;
|
3165 |
default:
|
3166 |
goto die;
|
3167 |
} |
3168 |
break;
|
3169 |
case 1: |
3170 |
switch (sel) {
|
3171 |
case 0: |
3172 |
/* ignored */
|
3173 |
rn = "Random";
|
3174 |
break;
|
3175 |
case 1: |
3176 |
check_insn(env, ctx, ASE_MT); |
3177 |
gen_op_mtc0_vpecontrol(); |
3178 |
rn = "VPEControl";
|
3179 |
break;
|
3180 |
case 2: |
3181 |
check_insn(env, ctx, ASE_MT); |
3182 |
gen_op_mtc0_vpeconf0(); |
3183 |
rn = "VPEConf0";
|
3184 |
break;
|
3185 |
case 3: |
3186 |
check_insn(env, ctx, ASE_MT); |
3187 |
gen_op_mtc0_vpeconf1(); |
3188 |
rn = "VPEConf1";
|
3189 |
break;
|
3190 |
case 4: |
3191 |
check_insn(env, ctx, ASE_MT); |
3192 |
gen_op_mtc0_yqmask(); |
3193 |
rn = "YQMask";
|
3194 |
break;
|
3195 |
case 5: |
3196 |
check_insn(env, ctx, ASE_MT); |
3197 |
gen_op_mtc0_vpeschedule(); |
3198 |
rn = "VPESchedule";
|
3199 |
break;
|
3200 |
case 6: |
3201 |
check_insn(env, ctx, ASE_MT); |
3202 |
gen_op_mtc0_vpeschefback(); |
3203 |
rn = "VPEScheFBack";
|
3204 |
break;
|
3205 |
case 7: |
3206 |
check_insn(env, ctx, ASE_MT); |
3207 |
gen_op_mtc0_vpeopt(); |
3208 |
rn = "VPEOpt";
|
3209 |
break;
|
3210 |
default:
|
3211 |
goto die;
|
3212 |
} |
3213 |
break;
|
3214 |
case 2: |
3215 |
switch (sel) {
|
3216 |
case 0: |
3217 |
gen_op_mtc0_entrylo0(); |
3218 |
rn = "EntryLo0";
|
3219 |
break;
|
3220 |
case 1: |
3221 |
check_insn(env, ctx, ASE_MT); |
3222 |
gen_op_mtc0_tcstatus(); |
3223 |
rn = "TCStatus";
|
3224 |
break;
|
3225 |
case 2: |
3226 |
check_insn(env, ctx, ASE_MT); |
3227 |
gen_op_mtc0_tcbind(); |
3228 |
rn = "TCBind";
|
3229 |
break;
|
3230 |
case 3: |
3231 |
check_insn(env, ctx, ASE_MT); |
3232 |
gen_op_mtc0_tcrestart(); |
3233 |
rn = "TCRestart";
|
3234 |
break;
|
3235 |
case 4: |
3236 |
check_insn(env, ctx, ASE_MT); |
3237 |
gen_op_mtc0_tchalt(); |
3238 |
rn = "TCHalt";
|
3239 |
break;
|
3240 |
case 5: |
3241 |
check_insn(env, ctx, ASE_MT); |
3242 |
gen_op_mtc0_tccontext(); |
3243 |
rn = "TCContext";
|
3244 |
break;
|
3245 |
case 6: |
3246 |
check_insn(env, ctx, ASE_MT); |
3247 |
gen_op_mtc0_tcschedule(); |
3248 |
rn = "TCSchedule";
|
3249 |
break;
|
3250 |
case 7: |
3251 |
check_insn(env, ctx, ASE_MT); |
3252 |
gen_op_mtc0_tcschefback(); |
3253 |
rn = "TCScheFBack";
|
3254 |
break;
|
3255 |
default:
|
3256 |
goto die;
|
3257 |
} |
3258 |
break;
|
3259 |
case 3: |
3260 |
switch (sel) {
|
3261 |
case 0: |
3262 |
gen_op_mtc0_entrylo1(); |
3263 |
rn = "EntryLo1";
|
3264 |
break;
|
3265 |
default:
|
3266 |
goto die;
|
3267 |
} |
3268 |
break;
|
3269 |
case 4: |
3270 |
switch (sel) {
|
3271 |
case 0: |
3272 |
gen_op_mtc0_context(); |
3273 |
rn = "Context";
|
3274 |
break;
|
3275 |
case 1: |
3276 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
3277 |
rn = "ContextConfig";
|
3278 |
// break;
|
3279 |
default:
|
3280 |
goto die;
|
3281 |
} |
3282 |
break;
|
3283 |
case 5: |
3284 |
switch (sel) {
|
3285 |
case 0: |
3286 |
gen_op_mtc0_pagemask(); |
3287 |
rn = "PageMask";
|
3288 |
break;
|
3289 |
case 1: |
3290 |
check_insn(env, ctx, ISA_MIPS32R2); |
3291 |
gen_op_mtc0_pagegrain(); |
3292 |
rn = "PageGrain";
|
3293 |
break;
|
3294 |
default:
|
3295 |
goto die;
|
3296 |
} |
3297 |
break;
|
3298 |
case 6: |
3299 |
switch (sel) {
|
3300 |
case 0: |
3301 |
gen_op_mtc0_wired(); |
3302 |
rn = "Wired";
|
3303 |
break;
|
3304 |
case 1: |
3305 |
check_insn(env, ctx, ISA_MIPS32R2); |
3306 |
gen_op_mtc0_srsconf0(); |
3307 |
rn = "SRSConf0";
|
3308 |
break;
|
3309 |
case 2: |
3310 |
check_insn(env, ctx, ISA_MIPS32R2); |
3311 |
gen_op_mtc0_srsconf1(); |
3312 |
rn = "SRSConf1";
|
3313 |
break;
|
3314 |
case 3: |
3315 |
check_insn(env, ctx, ISA_MIPS32R2); |
3316 |
gen_op_mtc0_srsconf2(); |
3317 |
rn = "SRSConf2";
|
3318 |
break;
|
3319 |
case 4: |
3320 |
check_insn(env, ctx, ISA_MIPS32R2); |
3321 |
gen_op_mtc0_srsconf3(); |
3322 |
rn = "SRSConf3";
|
3323 |
break;
|
3324 |
case 5: |
3325 |
check_insn(env, ctx, ISA_MIPS32R2); |
3326 |
gen_op_mtc0_srsconf4(); |
3327 |
rn = "SRSConf4";
|
3328 |
break;
|
3329 |
default:
|
3330 |
goto die;
|
3331 |
} |
3332 |
break;
|
3333 |
case 7: |
3334 |
switch (sel) {
|
3335 |
case 0: |
3336 |
check_insn(env, ctx, ISA_MIPS32R2); |
3337 |
gen_op_mtc0_hwrena(); |
3338 |
rn = "HWREna";
|
3339 |
break;
|
3340 |
default:
|
3341 |
goto die;
|
3342 |
} |
3343 |
break;
|
3344 |
case 8: |
3345 |
/* ignored */
|
3346 |
rn = "BadVaddr";
|
3347 |
break;
|
3348 |
case 9: |
3349 |
switch (sel) {
|
3350 |
case 0: |
3351 |
gen_op_mtc0_count(); |
3352 |
rn = "Count";
|
3353 |
break;
|
3354 |
/* 6,7 are implementation dependent */
|
3355 |
default:
|
3356 |
goto die;
|
3357 |
} |
3358 |
/* Stop translation as we may have switched the execution mode */
|
3359 |
ctx->bstate = BS_STOP; |
3360 |
break;
|
3361 |
case 10: |
3362 |
switch (sel) {
|
3363 |
case 0: |
3364 |
gen_op_mtc0_entryhi(); |
3365 |
rn = "EntryHi";
|
3366 |
break;
|
3367 |
default:
|
3368 |
goto die;
|
3369 |
} |
3370 |
break;
|
3371 |
case 11: |
3372 |
switch (sel) {
|
3373 |
case 0: |
3374 |
gen_op_mtc0_compare(); |
3375 |
rn = "Compare";
|
3376 |
break;
|
3377 |
/* 6,7 are implementation dependent */
|
3378 |
default:
|
3379 |
goto die;
|
3380 |
} |
3381 |
/* Stop translation as we may have switched the execution mode */
|
3382 |
ctx->bstate = BS_STOP; |
3383 |
break;
|
3384 |
case 12: |
3385 |
switch (sel) {
|
3386 |
case 0: |
3387 |
gen_op_mtc0_status(); |
3388 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3389 |
gen_save_pc(ctx->pc + 4);
|
3390 |
ctx->bstate = BS_EXCP; |
3391 |
rn = "Status";
|
3392 |
break;
|
3393 |
case 1: |
3394 |
check_insn(env, ctx, ISA_MIPS32R2); |
3395 |
gen_op_mtc0_intctl(); |
3396 |
/* Stop translation as we may have switched the execution mode */
|
3397 |
ctx->bstate = BS_STOP; |
3398 |
rn = "IntCtl";
|
3399 |
break;
|
3400 |
case 2: |
3401 |
check_insn(env, ctx, ISA_MIPS32R2); |
3402 |
gen_op_mtc0_srsctl(); |
3403 |
/* Stop translation as we may have switched the execution mode */
|
3404 |
ctx->bstate = BS_STOP; |
3405 |
rn = "SRSCtl";
|
3406 |
break;
|
3407 |
case 3: |
3408 |
check_insn(env, ctx, ISA_MIPS32R2); |
3409 |
gen_op_mtc0_srsmap(); |
3410 |
/* Stop translation as we may have switched the execution mode */
|
3411 |
ctx->bstate = BS_STOP; |
3412 |
rn = "SRSMap";
|
3413 |
break;
|
3414 |
default:
|
3415 |
goto die;
|
3416 |
} |
3417 |
break;
|
3418 |
case 13: |
3419 |
switch (sel) {
|
3420 |
case 0: |
3421 |
gen_op_mtc0_cause(); |
3422 |
rn = "Cause";
|
3423 |
break;
|
3424 |
default:
|
3425 |
goto die;
|
3426 |
} |
3427 |
/* Stop translation as we may have switched the execution mode */
|
3428 |
ctx->bstate = BS_STOP; |
3429 |
break;
|
3430 |
case 14: |
3431 |
switch (sel) {
|
3432 |
case 0: |
3433 |
gen_op_mtc0_epc(); |
3434 |
rn = "EPC";
|
3435 |
break;
|
3436 |
default:
|
3437 |
goto die;
|
3438 |
} |
3439 |
break;
|
3440 |
case 15: |
3441 |
switch (sel) {
|
3442 |
case 0: |
3443 |
/* ignored */
|
3444 |
rn = "PRid";
|
3445 |
break;
|
3446 |
case 1: |
3447 |
check_insn(env, ctx, ISA_MIPS32R2); |
3448 |
gen_op_mtc0_ebase(); |
3449 |
rn = "EBase";
|
3450 |
break;
|
3451 |
default:
|
3452 |
goto die;
|
3453 |
} |
3454 |
break;
|
3455 |
case 16: |
3456 |
switch (sel) {
|
3457 |
case 0: |
3458 |
gen_op_mtc0_config0(); |
3459 |
rn = "Config";
|
3460 |
/* Stop translation as we may have switched the execution mode */
|
3461 |
ctx->bstate = BS_STOP; |
3462 |
break;
|
3463 |
case 1: |
3464 |
/* ignored, read only */
|
3465 |
rn = "Config1";
|
3466 |
break;
|
3467 |
case 2: |
3468 |
gen_op_mtc0_config2(); |
3469 |
rn = "Config2";
|
3470 |
/* Stop translation as we may have switched the execution mode */
|
3471 |
ctx->bstate = BS_STOP; |
3472 |
break;
|
3473 |
case 3: |
3474 |
/* ignored, read only */
|
3475 |
rn = "Config3";
|
3476 |
break;
|
3477 |
/* 4,5 are reserved */
|
3478 |
/* 6,7 are implementation dependent */
|
3479 |
case 6: |
3480 |
/* ignored */
|
3481 |
rn = "Config6";
|
3482 |
break;
|
3483 |
case 7: |
3484 |
/* ignored */
|
3485 |
rn = "Config7";
|
3486 |
break;
|
3487 |
default:
|
3488 |
rn = "Invalid config selector";
|
3489 |
goto die;
|
3490 |
} |
3491 |
break;
|
3492 |
case 17: |
3493 |
switch (sel) {
|
3494 |
case 0: |
3495 |
/* ignored */
|
3496 |
rn = "LLAddr";
|
3497 |
break;
|
3498 |
default:
|
3499 |
goto die;
|
3500 |
} |
3501 |
break;
|
3502 |
case 18: |
3503 |
switch (sel) {
|
3504 |
case 0 ... 7: |
3505 |
gen_op_mtc0_watchlo(sel); |
3506 |
rn = "WatchLo";
|
3507 |
break;
|
3508 |
default:
|
3509 |
goto die;
|
3510 |
} |
3511 |
break;
|
3512 |
case 19: |
3513 |
switch (sel) {
|
3514 |
case 0 ... 7: |
3515 |
gen_op_mtc0_watchhi(sel); |
3516 |
rn = "WatchHi";
|
3517 |
break;
|
3518 |
default:
|
3519 |
goto die;
|
3520 |
} |
3521 |
break;
|
3522 |
case 20: |
3523 |
switch (sel) {
|
3524 |
case 0: |
3525 |
#if defined(TARGET_MIPS64)
|
3526 |
check_insn(env, ctx, ISA_MIPS3); |
3527 |
gen_op_mtc0_xcontext(); |
3528 |
rn = "XContext";
|
3529 |
break;
|
3530 |
#endif
|
3531 |
default:
|
3532 |
goto die;
|
3533 |
} |
3534 |
break;
|
3535 |
case 21: |
3536 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3537 |
switch (sel) {
|
3538 |
case 0: |
3539 |
gen_op_mtc0_framemask(); |
3540 |
rn = "Framemask";
|
3541 |
break;
|
3542 |
default:
|
3543 |
goto die;
|
3544 |
} |
3545 |
break;
|
3546 |
case 22: |
3547 |
/* ignored */
|
3548 |
rn = "Diagnostic"; /* implementation dependent */ |
3549 |
break;
|
3550 |
case 23: |
3551 |
switch (sel) {
|
3552 |
case 0: |
3553 |
gen_op_mtc0_debug(); /* EJTAG support */
|
3554 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3555 |
gen_save_pc(ctx->pc + 4);
|
3556 |
ctx->bstate = BS_EXCP; |
3557 |
rn = "Debug";
|
3558 |
break;
|
3559 |
case 1: |
3560 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
3561 |
rn = "TraceControl";
|
3562 |
/* Stop translation as we may have switched the execution mode */
|
3563 |
ctx->bstate = BS_STOP; |
3564 |
// break;
|
3565 |
case 2: |
3566 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
3567 |
rn = "TraceControl2";
|
3568 |
/* Stop translation as we may have switched the execution mode */
|
3569 |
ctx->bstate = BS_STOP; |
3570 |
// break;
|
3571 |
case 3: |
3572 |
/* Stop translation as we may have switched the execution mode */
|
3573 |
ctx->bstate = BS_STOP; |
3574 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
3575 |
rn = "UserTraceData";
|
3576 |
/* Stop translation as we may have switched the execution mode */
|
3577 |
ctx->bstate = BS_STOP; |
3578 |
// break;
|
3579 |
case 4: |
3580 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
3581 |
/* Stop translation as we may have switched the execution mode */
|
3582 |
ctx->bstate = BS_STOP; |
3583 |
rn = "TraceBPC";
|
3584 |
// break;
|
3585 |
default:
|
3586 |
goto die;
|
3587 |
} |
3588 |
break;
|
3589 |
case 24: |
3590 |
switch (sel) {
|
3591 |
case 0: |
3592 |
gen_op_mtc0_depc(); /* EJTAG support */
|
3593 |
rn = "DEPC";
|
3594 |
break;
|
3595 |
default:
|
3596 |
goto die;
|
3597 |
} |
3598 |
break;
|
3599 |
case 25: |
3600 |
switch (sel) {
|
3601 |
case 0: |
3602 |
gen_op_mtc0_performance0(); |
3603 |
rn = "Performance0";
|
3604 |
break;
|
3605 |
case 1: |
3606 |
// gen_op_mtc0_performance1();
|
3607 |
rn = "Performance1";
|
3608 |
// break;
|
3609 |
case 2: |
3610 |
// gen_op_mtc0_performance2();
|
3611 |
rn = "Performance2";
|
3612 |
// break;
|
3613 |
case 3: |
3614 |
// gen_op_mtc0_performance3();
|
3615 |
rn = "Performance3";
|
3616 |
// break;
|
3617 |
case 4: |
3618 |
// gen_op_mtc0_performance4();
|
3619 |
rn = "Performance4";
|
3620 |
// break;
|
3621 |
case 5: |
3622 |
// gen_op_mtc0_performance5();
|
3623 |
rn = "Performance5";
|
3624 |
// break;
|
3625 |
case 6: |
3626 |
// gen_op_mtc0_performance6();
|
3627 |
rn = "Performance6";
|
3628 |
// break;
|
3629 |
case 7: |
3630 |
// gen_op_mtc0_performance7();
|
3631 |
rn = "Performance7";
|
3632 |
// break;
|
3633 |
default:
|
3634 |
goto die;
|
3635 |
} |
3636 |
break;
|
3637 |
case 26: |
3638 |
/* ignored */
|
3639 |
rn = "ECC";
|
3640 |
break;
|
3641 |
case 27: |
3642 |
switch (sel) {
|
3643 |
case 0 ... 3: |
3644 |
/* ignored */
|
3645 |
rn = "CacheErr";
|
3646 |
break;
|
3647 |
default:
|
3648 |
goto die;
|
3649 |
} |
3650 |
break;
|
3651 |
case 28: |
3652 |
switch (sel) {
|
3653 |
case 0: |
3654 |
case 2: |
3655 |
case 4: |
3656 |
case 6: |
3657 |
gen_op_mtc0_taglo(); |
3658 |
rn = "TagLo";
|
3659 |
break;
|
3660 |
case 1: |
3661 |
case 3: |
3662 |
case 5: |
3663 |
case 7: |
3664 |
gen_op_mtc0_datalo(); |
3665 |
rn = "DataLo";
|
3666 |
break;
|
3667 |
default:
|
3668 |
goto die;
|
3669 |
} |
3670 |
break;
|
3671 |
case 29: |
3672 |
switch (sel) {
|
3673 |
case 0: |
3674 |
case 2: |
3675 |
case 4: |
3676 |
case 6: |
3677 |
gen_op_mtc0_taghi(); |
3678 |
rn = "TagHi";
|
3679 |
break;
|
3680 |
case 1: |
3681 |
case 3: |
3682 |
case 5: |
3683 |
case 7: |
3684 |
gen_op_mtc0_datahi(); |
3685 |
rn = "DataHi";
|
3686 |
break;
|
3687 |
default:
|
3688 |
rn = "invalid sel";
|
3689 |
goto die;
|
3690 |
} |
3691 |
break;
|
3692 |
case 30: |
3693 |
switch (sel) {
|
3694 |
case 0: |
3695 |
gen_op_mtc0_errorepc(); |
3696 |
rn = "ErrorEPC";
|
3697 |
break;
|
3698 |
default:
|
3699 |
goto die;
|
3700 |
} |
3701 |
break;
|
3702 |
case 31: |
3703 |
switch (sel) {
|
3704 |
case 0: |
3705 |
gen_op_mtc0_desave(); /* EJTAG support */
|
3706 |
rn = "DESAVE";
|
3707 |
break;
|
3708 |
default:
|
3709 |
goto die;
|
3710 |
} |
3711 |
/* Stop translation as we may have switched the execution mode */
|
3712 |
ctx->bstate = BS_STOP; |
3713 |
break;
|
3714 |
default:
|
3715 |
goto die;
|
3716 |
} |
3717 |
#if defined MIPS_DEBUG_DISAS
|
3718 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3719 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3720 |
rn, reg, sel); |
3721 |
} |
3722 |
#endif
|
3723 |
return;
|
3724 |
|
3725 |
die:
|
3726 |
#if defined MIPS_DEBUG_DISAS
|
3727 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3728 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3729 |
rn, reg, sel); |
3730 |
} |
3731 |
#endif
|
3732 |
generate_exception(ctx, EXCP_RI); |
3733 |
} |
3734 |
|
3735 |
#if defined(TARGET_MIPS64)
|
3736 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3737 |
{ |
3738 |
const char *rn = "invalid"; |
3739 |
|
3740 |
if (sel != 0) |
3741 |
check_insn(env, ctx, ISA_MIPS64); |
3742 |
|
3743 |
switch (reg) {
|
3744 |
case 0: |
3745 |
switch (sel) {
|
3746 |
case 0: |
3747 |
gen_op_mfc0_index(); |
3748 |
rn = "Index";
|
3749 |
break;
|
3750 |
case 1: |
3751 |
check_insn(env, ctx, ASE_MT); |
3752 |
gen_op_mfc0_mvpcontrol(); |
3753 |
rn = "MVPControl";
|
3754 |
break;
|
3755 |
case 2: |
3756 |
check_insn(env, ctx, ASE_MT); |
3757 |
gen_op_mfc0_mvpconf0(); |
3758 |
rn = "MVPConf0";
|
3759 |
break;
|
3760 |
case 3: |
3761 |
check_insn(env, ctx, ASE_MT); |
3762 |
gen_op_mfc0_mvpconf1(); |
3763 |
rn = "MVPConf1";
|
3764 |
break;
|
3765 |
default:
|
3766 |
goto die;
|
3767 |
} |
3768 |
break;
|
3769 |
case 1: |
3770 |
switch (sel) {
|
3771 |
case 0: |
3772 |
gen_op_mfc0_random(); |
3773 |
rn = "Random";
|
3774 |
break;
|
3775 |
case 1: |
3776 |
check_insn(env, ctx, ASE_MT); |
3777 |
gen_op_mfc0_vpecontrol(); |
3778 |
rn = "VPEControl";
|
3779 |
break;
|
3780 |
case 2: |
3781 |
check_insn(env, ctx, ASE_MT); |
3782 |
gen_op_mfc0_vpeconf0(); |
3783 |
rn = "VPEConf0";
|
3784 |
break;
|
3785 |
case 3: |
3786 |
check_insn(env, ctx, ASE_MT); |
3787 |
gen_op_mfc0_vpeconf1(); |
3788 |
rn = "VPEConf1";
|
3789 |
break;
|
3790 |
case 4: |
3791 |
check_insn(env, ctx, ASE_MT); |
3792 |
gen_op_dmfc0_yqmask(); |
3793 |
rn = "YQMask";
|
3794 |
break;
|
3795 |
case 5: |
3796 |
check_insn(env, ctx, ASE_MT); |
3797 |
gen_op_dmfc0_vpeschedule(); |
3798 |
rn = "VPESchedule";
|
3799 |
break;
|
3800 |
case 6: |
3801 |
check_insn(env, ctx, ASE_MT); |
3802 |
gen_op_dmfc0_vpeschefback(); |
3803 |
rn = "VPEScheFBack";
|
3804 |
break;
|
3805 |
case 7: |
3806 |
check_insn(env, ctx, ASE_MT); |
3807 |
gen_op_mfc0_vpeopt(); |
3808 |
rn = "VPEOpt";
|
3809 |
break;
|
3810 |
default:
|
3811 |
goto die;
|
3812 |
} |
3813 |
break;
|
3814 |
case 2: |
3815 |
switch (sel) {
|
3816 |
case 0: |
3817 |
gen_op_dmfc0_entrylo0(); |
3818 |
rn = "EntryLo0";
|
3819 |
break;
|
3820 |
case 1: |
3821 |
check_insn(env, ctx, ASE_MT); |
3822 |
gen_op_mfc0_tcstatus(); |
3823 |
rn = "TCStatus";
|
3824 |
break;
|
3825 |
case 2: |
3826 |
check_insn(env, ctx, ASE_MT); |
3827 |
gen_op_mfc0_tcbind(); |
3828 |
rn = "TCBind";
|
3829 |
break;
|
3830 |
case 3: |
3831 |
check_insn(env, ctx, ASE_MT); |
3832 |
gen_op_dmfc0_tcrestart(); |
3833 |
rn = "TCRestart";
|
3834 |
break;
|
3835 |
case 4: |
3836 |
check_insn(env, ctx, ASE_MT); |
3837 |
gen_op_dmfc0_tchalt(); |
3838 |
rn = "TCHalt";
|
3839 |
break;
|
3840 |
case 5: |
3841 |
check_insn(env, ctx, ASE_MT); |
3842 |
gen_op_dmfc0_tccontext(); |
3843 |
rn = "TCContext";
|
3844 |
break;
|
3845 |
case 6: |
3846 |
check_insn(env, ctx, ASE_MT); |
3847 |
gen_op_dmfc0_tcschedule(); |
3848 |
rn = "TCSchedule";
|
3849 |
break;
|
3850 |
case 7: |
3851 |
check_insn(env, ctx, ASE_MT); |
3852 |
gen_op_dmfc0_tcschefback(); |
3853 |
rn = "TCScheFBack";
|
3854 |
break;
|
3855 |
default:
|
3856 |
goto die;
|
3857 |
} |
3858 |
break;
|
3859 |
case 3: |
3860 |
switch (sel) {
|
3861 |
case 0: |
3862 |
gen_op_dmfc0_entrylo1(); |
3863 |
rn = "EntryLo1";
|
3864 |
break;
|
3865 |
default:
|
3866 |
goto die;
|
3867 |
} |
3868 |
break;
|
3869 |
case 4: |
3870 |
switch (sel) {
|
3871 |
case 0: |
3872 |
gen_op_dmfc0_context(); |
3873 |
rn = "Context";
|
3874 |
break;
|
3875 |
case 1: |
3876 |
// gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
|
3877 |
rn = "ContextConfig";
|
3878 |
// break;
|
3879 |
default:
|
3880 |
goto die;
|
3881 |
} |
3882 |
break;
|
3883 |
case 5: |
3884 |
switch (sel) {
|
3885 |
case 0: |
3886 |
gen_op_mfc0_pagemask(); |
3887 |
rn = "PageMask";
|
3888 |
break;
|
3889 |
case 1: |
3890 |
check_insn(env, ctx, ISA_MIPS32R2); |
3891 |
gen_op_mfc0_pagegrain(); |
3892 |
rn = "PageGrain";
|
3893 |
break;
|
3894 |
default:
|
3895 |
goto die;
|
3896 |
} |
3897 |
break;
|
3898 |
case 6: |
3899 |
switch (sel) {
|
3900 |
case 0: |
3901 |
gen_op_mfc0_wired(); |
3902 |
rn = "Wired";
|
3903 |
break;
|
3904 |
case 1: |
3905 |
check_insn(env, ctx, ISA_MIPS32R2); |
3906 |
gen_op_mfc0_srsconf0(); |
3907 |
rn = "SRSConf0";
|
3908 |
break;
|
3909 |
case 2: |
3910 |
check_insn(env, ctx, ISA_MIPS32R2); |
3911 |
gen_op_mfc0_srsconf1(); |
3912 |
rn = "SRSConf1";
|
3913 |
break;
|
3914 |
case 3: |
3915 |
check_insn(env, ctx, ISA_MIPS32R2); |
3916 |
gen_op_mfc0_srsconf2(); |
3917 |
rn = "SRSConf2";
|
3918 |
break;
|
3919 |
case 4: |
3920 |
check_insn(env, ctx, ISA_MIPS32R2); |
3921 |
gen_op_mfc0_srsconf3(); |
3922 |
rn = "SRSConf3";
|
3923 |
break;
|
3924 |
case 5: |
3925 |
check_insn(env, ctx, ISA_MIPS32R2); |
3926 |
gen_op_mfc0_srsconf4(); |
3927 |
rn = "SRSConf4";
|
3928 |
break;
|
3929 |
default:
|
3930 |
goto die;
|
3931 |
} |
3932 |
break;
|
3933 |
case 7: |
3934 |
switch (sel) {
|
3935 |
case 0: |
3936 |
check_insn(env, ctx, ISA_MIPS32R2); |
3937 |
gen_op_mfc0_hwrena(); |
3938 |
rn = "HWREna";
|
3939 |
break;
|
3940 |
default:
|
3941 |
goto die;
|
3942 |
} |
3943 |
break;
|
3944 |
case 8: |
3945 |
switch (sel) {
|
3946 |
case 0: |
3947 |
gen_op_dmfc0_badvaddr(); |
3948 |
rn = "BadVaddr";
|
3949 |
break;
|
3950 |
default:
|
3951 |
goto die;
|
3952 |
} |
3953 |
break;
|
3954 |
case 9: |
3955 |
switch (sel) {
|
3956 |
case 0: |
3957 |
gen_op_mfc0_count(); |
3958 |
rn = "Count";
|
3959 |
break;
|
3960 |
/* 6,7 are implementation dependent */
|
3961 |
default:
|
3962 |
goto die;
|
3963 |
} |
3964 |
break;
|
3965 |
case 10: |
3966 |
switch (sel) {
|
3967 |
case 0: |
3968 |
gen_op_dmfc0_entryhi(); |
3969 |
rn = "EntryHi";
|
3970 |
break;
|
3971 |
default:
|
3972 |
goto die;
|
3973 |
} |
3974 |
break;
|
3975 |
case 11: |
3976 |
switch (sel) {
|
3977 |
case 0: |
3978 |
gen_op_mfc0_compare(); |
3979 |
rn = "Compare";
|
3980 |
break;
|
3981 |
/* 6,7 are implementation dependent */
|
3982 |
default:
|
3983 |
goto die;
|
3984 |
} |
3985 |
break;
|
3986 |
case 12: |
3987 |
switch (sel) {
|
3988 |
case 0: |
3989 |
gen_op_mfc0_status(); |
3990 |
rn = "Status";
|
3991 |
break;
|
3992 |
case 1: |
3993 |
check_insn(env, ctx, ISA_MIPS32R2); |
3994 |
gen_op_mfc0_intctl(); |
3995 |
rn = "IntCtl";
|
3996 |
break;
|
3997 |
case 2: |
3998 |
check_insn(env, ctx, ISA_MIPS32R2); |
3999 |
gen_op_mfc0_srsctl(); |
4000 |
rn = "SRSCtl";
|
4001 |
break;
|
4002 |
case 3: |
4003 |
check_insn(env, ctx, ISA_MIPS32R2); |
4004 |
gen_op_mfc0_srsmap(); |
4005 |
rn = "SRSMap";
|
4006 |
break;
|
4007 |
default:
|
4008 |
goto die;
|
4009 |
} |
4010 |
break;
|
4011 |
case 13: |
4012 |
switch (sel) {
|
4013 |
case 0: |
4014 |
gen_op_mfc0_cause(); |
4015 |
rn = "Cause";
|
4016 |
break;
|
4017 |
default:
|
4018 |
goto die;
|
4019 |
} |
4020 |
break;
|
4021 |
case 14: |
4022 |
switch (sel) {
|
4023 |
case 0: |
4024 |
gen_op_dmfc0_epc(); |
4025 |
rn = "EPC";
|
4026 |
break;
|
4027 |
default:
|
4028 |
goto die;
|
4029 |
} |
4030 |
break;
|
4031 |
case 15: |
4032 |
switch (sel) {
|
4033 |
case 0: |
4034 |
gen_op_mfc0_prid(); |
4035 |
rn = "PRid";
|
4036 |
break;
|
4037 |
case 1: |
4038 |
check_insn(env, ctx, ISA_MIPS32R2); |
4039 |
gen_op_mfc0_ebase(); |
4040 |
rn = "EBase";
|
4041 |
break;
|
4042 |
default:
|
4043 |
goto die;
|
4044 |
} |
4045 |
break;
|
4046 |
case 16: |
4047 |
switch (sel) {
|
4048 |
case 0: |
4049 |
gen_op_mfc0_config0(); |
4050 |
rn = "Config";
|
4051 |
break;
|
4052 |
case 1: |
4053 |
gen_op_mfc0_config1(); |
4054 |
rn = "Config1";
|
4055 |
break;
|
4056 |
case 2: |
4057 |
gen_op_mfc0_config2(); |
4058 |
rn = "Config2";
|
4059 |
break;
|
4060 |
case 3: |
4061 |
gen_op_mfc0_config3(); |
4062 |
rn = "Config3";
|
4063 |
break;
|
4064 |
/* 6,7 are implementation dependent */
|
4065 |
default:
|
4066 |
goto die;
|
4067 |
} |
4068 |
break;
|
4069 |
case 17: |
4070 |
switch (sel) {
|
4071 |
case 0: |
4072 |
gen_op_dmfc0_lladdr(); |
4073 |
rn = "LLAddr";
|
4074 |
break;
|
4075 |
default:
|
4076 |
goto die;
|
4077 |
} |
4078 |
break;
|
4079 |
case 18: |
4080 |
switch (sel) {
|
4081 |
case 0 ... 7: |
4082 |
gen_op_dmfc0_watchlo(sel); |
4083 |
rn = "WatchLo";
|
4084 |
break;
|
4085 |
default:
|
4086 |
goto die;
|
4087 |
} |
4088 |
break;
|
4089 |
case 19: |
4090 |
switch (sel) {
|
4091 |
case 0 ... 7: |
4092 |
gen_op_mfc0_watchhi(sel); |
4093 |
rn = "WatchHi";
|
4094 |
break;
|
4095 |
default:
|
4096 |
goto die;
|
4097 |
} |
4098 |
break;
|
4099 |
case 20: |
4100 |
switch (sel) {
|
4101 |
case 0: |
4102 |
check_insn(env, ctx, ISA_MIPS3); |
4103 |
gen_op_dmfc0_xcontext(); |
4104 |
rn = "XContext";
|
4105 |
break;
|
4106 |
default:
|
4107 |
goto die;
|
4108 |
} |
4109 |
break;
|
4110 |
case 21: |
4111 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4112 |
switch (sel) {
|
4113 |
case 0: |
4114 |
gen_op_mfc0_framemask(); |
4115 |
rn = "Framemask";
|
4116 |
break;
|
4117 |
default:
|
4118 |
goto die;
|
4119 |
} |
4120 |
break;
|
4121 |
case 22: |
4122 |
/* ignored */
|
4123 |
rn = "'Diagnostic"; /* implementation dependent */ |
4124 |
break;
|
4125 |
case 23: |
4126 |
switch (sel) {
|
4127 |
case 0: |
4128 |
gen_op_mfc0_debug(); /* EJTAG support */
|
4129 |
rn = "Debug";
|
4130 |
break;
|
4131 |
case 1: |
4132 |
// gen_op_dmfc0_tracecontrol(); /* PDtrace support */
|
4133 |
rn = "TraceControl";
|
4134 |
// break;
|
4135 |
case 2: |
4136 |
// gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
|
4137 |
rn = "TraceControl2";
|
4138 |
// break;
|
4139 |
case 3: |
4140 |
// gen_op_dmfc0_usertracedata(); /* PDtrace support */
|
4141 |
rn = "UserTraceData";
|
4142 |
// break;
|
4143 |
case 4: |
4144 |
// gen_op_dmfc0_debug(); /* PDtrace support */
|
4145 |
rn = "TraceBPC";
|
4146 |
// break;
|
4147 |
default:
|
4148 |
goto die;
|
4149 |
} |
4150 |
break;
|
4151 |
case 24: |
4152 |
switch (sel) {
|
4153 |
case 0: |
4154 |
gen_op_dmfc0_depc(); /* EJTAG support */
|
4155 |
rn = "DEPC";
|
4156 |
break;
|
4157 |
default:
|
4158 |
goto die;
|
4159 |
} |
4160 |
break;
|
4161 |
case 25: |
4162 |
switch (sel) {
|
4163 |
case 0: |
4164 |
gen_op_mfc0_performance0(); |
4165 |
rn = "Performance0";
|
4166 |
break;
|
4167 |
case 1: |
4168 |
// gen_op_dmfc0_performance1();
|
4169 |
rn = "Performance1";
|
4170 |
// break;
|
4171 |
case 2: |
4172 |
// gen_op_dmfc0_performance2();
|
4173 |
rn = "Performance2";
|
4174 |
// break;
|
4175 |
case 3: |
4176 |
// gen_op_dmfc0_performance3();
|
4177 |
rn = "Performance3";
|
4178 |
// break;
|
4179 |
case 4: |
4180 |
// gen_op_dmfc0_performance4();
|
4181 |
rn = "Performance4";
|
4182 |
// break;
|
4183 |
case 5: |
4184 |
// gen_op_dmfc0_performance5();
|
4185 |
rn = "Performance5";
|
4186 |
// break;
|
4187 |
case 6: |
4188 |
// gen_op_dmfc0_performance6();
|
4189 |
rn = "Performance6";
|
4190 |
// break;
|
4191 |
case 7: |
4192 |
// gen_op_dmfc0_performance7();
|
4193 |
rn = "Performance7";
|
4194 |
// break;
|
4195 |
default:
|
4196 |
goto die;
|
4197 |
} |
4198 |
break;
|
4199 |
case 26: |
4200 |
rn = "ECC";
|
4201 |
break;
|
4202 |
case 27: |
4203 |
switch (sel) {
|
4204 |
/* ignored */
|
4205 |
case 0 ... 3: |
4206 |
rn = "CacheErr";
|
4207 |
break;
|
4208 |
default:
|
4209 |
goto die;
|
4210 |
} |
4211 |
break;
|
4212 |
case 28: |
4213 |
switch (sel) {
|
4214 |
case 0: |
4215 |
case 2: |
4216 |
case 4: |
4217 |
case 6: |
4218 |
gen_op_mfc0_taglo(); |
4219 |
rn = "TagLo";
|
4220 |
break;
|
4221 |
case 1: |
4222 |
case 3: |
4223 |
case 5: |
4224 |
case 7: |
4225 |
gen_op_mfc0_datalo(); |
4226 |
rn = "DataLo";
|
4227 |
break;
|
4228 |
default:
|
4229 |
goto die;
|
4230 |
} |
4231 |
break;
|
4232 |
case 29: |
4233 |
switch (sel) {
|
4234 |
case 0: |
4235 |
case 2: |
4236 |
case 4: |
4237 |
case 6: |
4238 |
gen_op_mfc0_taghi(); |
4239 |
rn = "TagHi";
|
4240 |
break;
|
4241 |
case 1: |
4242 |
case 3: |
4243 |
case 5: |
4244 |
case 7: |
4245 |
gen_op_mfc0_datahi(); |
4246 |
rn = "DataHi";
|
4247 |
break;
|
4248 |
default:
|
4249 |
goto die;
|
4250 |
} |
4251 |
break;
|
4252 |
case 30: |
4253 |
switch (sel) {
|
4254 |
case 0: |
4255 |
gen_op_dmfc0_errorepc(); |
4256 |
rn = "ErrorEPC";
|
4257 |
break;
|
4258 |
default:
|
4259 |
goto die;
|
4260 |
} |
4261 |
break;
|
4262 |
case 31: |
4263 |
switch (sel) {
|
4264 |
case 0: |
4265 |
gen_op_mfc0_desave(); /* EJTAG support */
|
4266 |
rn = "DESAVE";
|
4267 |
break;
|
4268 |
default:
|
4269 |
goto die;
|
4270 |
} |
4271 |
break;
|
4272 |
default:
|
4273 |
goto die;
|
4274 |
} |
4275 |
#if defined MIPS_DEBUG_DISAS
|
4276 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4277 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
4278 |
rn, reg, sel); |
4279 |
} |
4280 |
#endif
|
4281 |
return;
|
4282 |
|
4283 |
die:
|
4284 |
#if defined MIPS_DEBUG_DISAS
|
4285 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4286 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
4287 |
rn, reg, sel); |
4288 |
} |
4289 |
#endif
|
4290 |
generate_exception(ctx, EXCP_RI); |
4291 |
} |
4292 |
|
4293 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
4294 |
{ |
4295 |
const char *rn = "invalid"; |
4296 |
|
4297 |
if (sel != 0) |
4298 |
check_insn(env, ctx, ISA_MIPS64); |
4299 |
|
4300 |
switch (reg) {
|
4301 |
case 0: |
4302 |
switch (sel) {
|
4303 |
case 0: |
4304 |
gen_op_mtc0_index(); |
4305 |
rn = "Index";
|
4306 |
break;
|
4307 |
case 1: |
4308 |
check_insn(env, ctx, ASE_MT); |
4309 |
gen_op_mtc0_mvpcontrol(); |
4310 |
rn = "MVPControl";
|
4311 |
break;
|
4312 |
case 2: |
4313 |
check_insn(env, ctx, ASE_MT); |
4314 |
/* ignored */
|
4315 |
rn = "MVPConf0";
|
4316 |
break;
|
4317 |
case 3: |
4318 |
check_insn(env, ctx, ASE_MT); |
4319 |
/* ignored */
|
4320 |
rn = "MVPConf1";
|
4321 |
break;
|
4322 |
default:
|
4323 |
goto die;
|
4324 |
} |
4325 |
break;
|
4326 |
case 1: |
4327 |
switch (sel) {
|
4328 |
case 0: |
4329 |
/* ignored */
|
4330 |
rn = "Random";
|
4331 |
break;
|
4332 |
case 1: |
4333 |
check_insn(env, ctx, ASE_MT); |
4334 |
gen_op_mtc0_vpecontrol(); |
4335 |
rn = "VPEControl";
|
4336 |
break;
|
4337 |
case 2: |
4338 |
check_insn(env, ctx, ASE_MT); |
4339 |
gen_op_mtc0_vpeconf0(); |
4340 |
rn = "VPEConf0";
|
4341 |
break;
|
4342 |
case 3: |
4343 |
check_insn(env, ctx, ASE_MT); |
4344 |
gen_op_mtc0_vpeconf1(); |
4345 |
rn = "VPEConf1";
|
4346 |
break;
|
4347 |
case 4: |
4348 |
check_insn(env, ctx, ASE_MT); |
4349 |
gen_op_mtc0_yqmask(); |
4350 |
rn = "YQMask";
|
4351 |
break;
|
4352 |
case 5: |
4353 |
check_insn(env, ctx, ASE_MT); |
4354 |
gen_op_mtc0_vpeschedule(); |
4355 |
rn = "VPESchedule";
|
4356 |
break;
|
4357 |
case 6: |
4358 |
check_insn(env, ctx, ASE_MT); |
4359 |
gen_op_mtc0_vpeschefback(); |
4360 |
rn = "VPEScheFBack";
|
4361 |
break;
|
4362 |
case 7: |
4363 |
check_insn(env, ctx, ASE_MT); |
4364 |
gen_op_mtc0_vpeopt(); |
4365 |
rn = "VPEOpt";
|
4366 |
break;
|
4367 |
default:
|
4368 |
goto die;
|
4369 |
} |
4370 |
break;
|
4371 |
case 2: |
4372 |
switch (sel) {
|
4373 |
case 0: |
4374 |
gen_op_mtc0_entrylo0(); |
4375 |
rn = "EntryLo0";
|
4376 |
break;
|
4377 |
case 1: |
4378 |
check_insn(env, ctx, ASE_MT); |
4379 |
gen_op_mtc0_tcstatus(); |
4380 |
rn = "TCStatus";
|
4381 |
break;
|
4382 |
case 2: |
4383 |
check_insn(env, ctx, ASE_MT); |
4384 |
gen_op_mtc0_tcbind(); |
4385 |
rn = "TCBind";
|
4386 |
break;
|
4387 |
case 3: |
4388 |
check_insn(env, ctx, ASE_MT); |
4389 |
gen_op_mtc0_tcrestart(); |
4390 |
rn = "TCRestart";
|
4391 |
break;
|
4392 |
case 4: |
4393 |
check_insn(env, ctx, ASE_MT); |
4394 |
gen_op_mtc0_tchalt(); |
4395 |
rn = "TCHalt";
|
4396 |
break;
|
4397 |
case 5: |
4398 |
check_insn(env, ctx, ASE_MT); |
4399 |
gen_op_mtc0_tccontext(); |
4400 |
rn = "TCContext";
|
4401 |
break;
|
4402 |
case 6: |
4403 |
check_insn(env, ctx, ASE_MT); |
4404 |
gen_op_mtc0_tcschedule(); |
4405 |
rn = "TCSchedule";
|
4406 |
break;
|
4407 |
case 7: |
4408 |
check_insn(env, ctx, ASE_MT); |
4409 |
gen_op_mtc0_tcschefback(); |
4410 |
rn = "TCScheFBack";
|
4411 |
break;
|
4412 |
default:
|
4413 |
goto die;
|
4414 |
} |
4415 |
break;
|
4416 |
case 3: |
4417 |
switch (sel) {
|
4418 |
case 0: |
4419 |
gen_op_mtc0_entrylo1(); |
4420 |
rn = "EntryLo1";
|
4421 |
break;
|
4422 |
default:
|
4423 |
goto die;
|
4424 |
} |
4425 |
break;
|
4426 |
case 4: |
4427 |
switch (sel) {
|
4428 |
case 0: |
4429 |
gen_op_mtc0_context(); |
4430 |
rn = "Context";
|
4431 |
break;
|
4432 |
case 1: |
4433 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
4434 |
rn = "ContextConfig";
|
4435 |
// break;
|
4436 |
default:
|
4437 |
goto die;
|
4438 |
} |
4439 |
break;
|
4440 |
case 5: |
4441 |
switch (sel) {
|
4442 |
case 0: |
4443 |
gen_op_mtc0_pagemask(); |
4444 |
rn = "PageMask";
|
4445 |
break;
|
4446 |
case 1: |
4447 |
check_insn(env, ctx, ISA_MIPS32R2); |
4448 |
gen_op_mtc0_pagegrain(); |
4449 |
rn = "PageGrain";
|
4450 |
break;
|
4451 |
default:
|
4452 |
goto die;
|
4453 |
} |
4454 |
break;
|
4455 |
case 6: |
4456 |
switch (sel) {
|
4457 |
case 0: |
4458 |
gen_op_mtc0_wired(); |
4459 |
rn = "Wired";
|
4460 |
break;
|
4461 |
case 1: |
4462 |
check_insn(env, ctx, ISA_MIPS32R2); |
4463 |
gen_op_mtc0_srsconf0(); |
4464 |
rn = "SRSConf0";
|
4465 |
break;
|
4466 |
case 2: |
4467 |
check_insn(env, ctx, ISA_MIPS32R2); |
4468 |
gen_op_mtc0_srsconf1(); |
4469 |
rn = "SRSConf1";
|
4470 |
break;
|
4471 |
case 3: |
4472 |
check_insn(env, ctx, ISA_MIPS32R2); |
4473 |
gen_op_mtc0_srsconf2(); |
4474 |
rn = "SRSConf2";
|
4475 |
break;
|
4476 |
case 4: |
4477 |
check_insn(env, ctx, ISA_MIPS32R2); |
4478 |
gen_op_mtc0_srsconf3(); |
4479 |
rn = "SRSConf3";
|
4480 |
break;
|
4481 |
case 5: |
4482 |
check_insn(env, ctx, ISA_MIPS32R2); |
4483 |
gen_op_mtc0_srsconf4(); |
4484 |
rn = "SRSConf4";
|
4485 |
break;
|
4486 |
default:
|
4487 |
goto die;
|
4488 |
} |
4489 |
break;
|
4490 |
case 7: |
4491 |
switch (sel) {
|
4492 |
case 0: |
4493 |
check_insn(env, ctx, ISA_MIPS32R2); |
4494 |
gen_op_mtc0_hwrena(); |
4495 |
rn = "HWREna";
|
4496 |
break;
|
4497 |
default:
|
4498 |
goto die;
|
4499 |
} |
4500 |
break;
|
4501 |
case 8: |
4502 |
/* ignored */
|
4503 |
rn = "BadVaddr";
|
4504 |
break;
|
4505 |
case 9: |
4506 |
switch (sel) {
|
4507 |
case 0: |
4508 |
gen_op_mtc0_count(); |
4509 |
rn = "Count";
|
4510 |
break;
|
4511 |
/* 6,7 are implementation dependent */
|
4512 |
default:
|
4513 |
goto die;
|
4514 |
} |
4515 |
/* Stop translation as we may have switched the execution mode */
|
4516 |
ctx->bstate = BS_STOP; |
4517 |
break;
|
4518 |
case 10: |
4519 |
switch (sel) {
|
4520 |
case 0: |
4521 |
gen_op_mtc0_entryhi(); |
4522 |
rn = "EntryHi";
|
4523 |
break;
|
4524 |
default:
|
4525 |
goto die;
|
4526 |
} |
4527 |
break;
|
4528 |
case 11: |
4529 |
switch (sel) {
|
4530 |
case 0: |
4531 |
gen_op_mtc0_compare(); |
4532 |
rn = "Compare";
|
4533 |
break;
|
4534 |
/* 6,7 are implementation dependent */
|
4535 |
default:
|
4536 |
goto die;
|
4537 |
} |
4538 |
/* Stop translation as we may have switched the execution mode */
|
4539 |
ctx->bstate = BS_STOP; |
4540 |
break;
|
4541 |
case 12: |
4542 |
switch (sel) {
|
4543 |
case 0: |
4544 |
gen_op_mtc0_status(); |
4545 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4546 |
gen_save_pc(ctx->pc + 4);
|
4547 |
ctx->bstate = BS_EXCP; |
4548 |
rn = "Status";
|
4549 |
break;
|
4550 |
case 1: |
4551 |
check_insn(env, ctx, ISA_MIPS32R2); |
4552 |
gen_op_mtc0_intctl(); |
4553 |
/* Stop translation as we may have switched the execution mode */
|
4554 |
ctx->bstate = BS_STOP; |
4555 |
rn = "IntCtl";
|
4556 |
break;
|
4557 |
case 2: |
4558 |
check_insn(env, ctx, ISA_MIPS32R2); |
4559 |
gen_op_mtc0_srsctl(); |
4560 |
/* Stop translation as we may have switched the execution mode */
|
4561 |
ctx->bstate = BS_STOP; |
4562 |
rn = "SRSCtl";
|
4563 |
break;
|
4564 |
case 3: |
4565 |
check_insn(env, ctx, ISA_MIPS32R2); |
4566 |
gen_op_mtc0_srsmap(); |
4567 |
/* Stop translation as we may have switched the execution mode */
|
4568 |
ctx->bstate = BS_STOP; |
4569 |
rn = "SRSMap";
|
4570 |
break;
|
4571 |
default:
|
4572 |
goto die;
|
4573 |
} |
4574 |
break;
|
4575 |
case 13: |
4576 |
switch (sel) {
|
4577 |
case 0: |
4578 |
gen_op_mtc0_cause(); |
4579 |
rn = "Cause";
|
4580 |
break;
|
4581 |
default:
|
4582 |
goto die;
|
4583 |
} |
4584 |
/* Stop translation as we may have switched the execution mode */
|
4585 |
ctx->bstate = BS_STOP; |
4586 |
break;
|
4587 |
case 14: |
4588 |
switch (sel) {
|
4589 |
case 0: |
4590 |
gen_op_mtc0_epc(); |
4591 |
rn = "EPC";
|
4592 |
break;
|
4593 |
default:
|
4594 |
goto die;
|
4595 |
} |
4596 |
break;
|
4597 |
case 15: |
4598 |
switch (sel) {
|
4599 |
case 0: |
4600 |
/* ignored */
|
4601 |
rn = "PRid";
|
4602 |
break;
|
4603 |
case 1: |
4604 |
check_insn(env, ctx, ISA_MIPS32R2); |
4605 |
gen_op_mtc0_ebase(); |
4606 |
rn = "EBase";
|
4607 |
break;
|
4608 |
default:
|
4609 |
goto die;
|
4610 |
} |
4611 |
break;
|
4612 |
case 16: |
4613 |
switch (sel) {
|
4614 |
case 0: |
4615 |
gen_op_mtc0_config0(); |
4616 |
rn = "Config";
|
4617 |
/* Stop translation as we may have switched the execution mode */
|
4618 |
ctx->bstate = BS_STOP; |
4619 |
break;
|
4620 |
case 1: |
4621 |
/* ignored */
|
4622 |
rn = "Config1";
|
4623 |
break;
|
4624 |
case 2: |
4625 |
gen_op_mtc0_config2(); |
4626 |
rn = "Config2";
|
4627 |
/* Stop translation as we may have switched the execution mode */
|
4628 |
ctx->bstate = BS_STOP; |
4629 |
break;
|
4630 |
case 3: |
4631 |
/* ignored */
|
4632 |
rn = "Config3";
|
4633 |
break;
|
4634 |
/* 6,7 are implementation dependent */
|
4635 |
default:
|
4636 |
rn = "Invalid config selector";
|
4637 |
goto die;
|
4638 |
} |
4639 |
break;
|
4640 |
case 17: |
4641 |
switch (sel) {
|
4642 |
case 0: |
4643 |
/* ignored */
|
4644 |
rn = "LLAddr";
|
4645 |
break;
|
4646 |
default:
|
4647 |
goto die;
|
4648 |
} |
4649 |
break;
|
4650 |
case 18: |
4651 |
switch (sel) {
|
4652 |
case 0 ... 7: |
4653 |
gen_op_mtc0_watchlo(sel); |
4654 |
rn = "WatchLo";
|
4655 |
break;
|
4656 |
default:
|
4657 |
goto die;
|
4658 |
} |
4659 |
break;
|
4660 |
case 19: |
4661 |
switch (sel) {
|
4662 |
case 0 ... 7: |
4663 |
gen_op_mtc0_watchhi(sel); |
4664 |
rn = "WatchHi";
|
4665 |
break;
|
4666 |
default:
|
4667 |
goto die;
|
4668 |
} |
4669 |
break;
|
4670 |
case 20: |
4671 |
switch (sel) {
|
4672 |
case 0: |
4673 |
check_insn(env, ctx, ISA_MIPS3); |
4674 |
gen_op_mtc0_xcontext(); |
4675 |
rn = "XContext";
|
4676 |
break;
|
4677 |
default:
|
4678 |
goto die;
|
4679 |
} |
4680 |
break;
|
4681 |
case 21: |
4682 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4683 |
switch (sel) {
|
4684 |
case 0: |
4685 |
gen_op_mtc0_framemask(); |
4686 |
rn = "Framemask";
|
4687 |
break;
|
4688 |
default:
|
4689 |
goto die;
|
4690 |
} |
4691 |
break;
|
4692 |
case 22: |
4693 |
/* ignored */
|
4694 |
rn = "Diagnostic"; /* implementation dependent */ |
4695 |
break;
|
4696 |
case 23: |
4697 |
switch (sel) {
|
4698 |
case 0: |
4699 |
gen_op_mtc0_debug(); /* EJTAG support */
|
4700 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4701 |
gen_save_pc(ctx->pc + 4);
|
4702 |
ctx->bstate = BS_EXCP; |
4703 |
rn = "Debug";
|
4704 |
break;
|
4705 |
case 1: |
4706 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
4707 |
/* Stop translation as we may have switched the execution mode */
|
4708 |
ctx->bstate = BS_STOP; |
4709 |
rn = "TraceControl";
|
4710 |
// break;
|
4711 |
case 2: |
4712 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
4713 |
/* Stop translation as we may have switched the execution mode */
|
4714 |
ctx->bstate = BS_STOP; |
4715 |
rn = "TraceControl2";
|
4716 |
// break;
|
4717 |
case 3: |
4718 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
4719 |
/* Stop translation as we may have switched the execution mode */
|
4720 |
ctx->bstate = BS_STOP; |
4721 |
rn = "UserTraceData";
|
4722 |
// break;
|
4723 |
case 4: |
4724 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
4725 |
/* Stop translation as we may have switched the execution mode */
|
4726 |
ctx->bstate = BS_STOP; |
4727 |
rn = "TraceBPC";
|
4728 |
// break;
|
4729 |
default:
|
4730 |
goto die;
|
4731 |
} |
4732 |
break;
|
4733 |
case 24: |
4734 |
switch (sel) {
|
4735 |
case 0: |
4736 |
gen_op_mtc0_depc(); /* EJTAG support */
|
4737 |
rn = "DEPC";
|
4738 |
break;
|
4739 |
default:
|
4740 |
goto die;
|
4741 |
} |
4742 |
break;
|
4743 |
case 25: |
4744 |
switch (sel) {
|
4745 |
case 0: |
4746 |
gen_op_mtc0_performance0(); |
4747 |
rn = "Performance0";
|
4748 |
break;
|
4749 |
case 1: |
4750 |
// gen_op_mtc0_performance1();
|
4751 |
rn = "Performance1";
|
4752 |
// break;
|
4753 |
case 2: |
4754 |
// gen_op_mtc0_performance2();
|
4755 |
rn = "Performance2";
|
4756 |
// break;
|
4757 |
case 3: |
4758 |
// gen_op_mtc0_performance3();
|
4759 |
rn = "Performance3";
|
4760 |
// break;
|
4761 |
case 4: |
4762 |
// gen_op_mtc0_performance4();
|
4763 |
rn = "Performance4";
|
4764 |
// break;
|
4765 |
case 5: |
4766 |
// gen_op_mtc0_performance5();
|
4767 |
rn = "Performance5";
|
4768 |
// break;
|
4769 |
case 6: |
4770 |
// gen_op_mtc0_performance6();
|
4771 |
rn = "Performance6";
|
4772 |
// break;
|
4773 |
case 7: |
4774 |
// gen_op_mtc0_performance7();
|
4775 |
rn = "Performance7";
|
4776 |
// break;
|
4777 |
default:
|
4778 |
goto die;
|
4779 |
} |
4780 |
break;
|
4781 |
case 26: |
4782 |
/* ignored */
|
4783 |
rn = "ECC";
|
4784 |
break;
|
4785 |
case 27: |
4786 |
switch (sel) {
|
4787 |
case 0 ... 3: |
4788 |
/* ignored */
|
4789 |
rn = "CacheErr";
|
4790 |
break;
|
4791 |
default:
|
4792 |
goto die;
|
4793 |
} |
4794 |
break;
|
4795 |
case 28: |
4796 |
switch (sel) {
|
4797 |
case 0: |
4798 |
case 2: |
4799 |
case 4: |
4800 |
case 6: |
4801 |
gen_op_mtc0_taglo(); |
4802 |
rn = "TagLo";
|
4803 |
break;
|
4804 |
case 1: |
4805 |
case 3: |
4806 |
case 5: |
4807 |
case 7: |
4808 |
gen_op_mtc0_datalo(); |
4809 |
rn = "DataLo";
|
4810 |
break;
|
4811 |
default:
|
4812 |
goto die;
|
4813 |
} |
4814 |
break;
|
4815 |
case 29: |
4816 |
switch (sel) {
|
4817 |
case 0: |
4818 |
case 2: |
4819 |
case 4: |
4820 |
case 6: |
4821 |
gen_op_mtc0_taghi(); |
4822 |
rn = "TagHi";
|
4823 |
break;
|
4824 |
case 1: |
4825 |
case 3: |
4826 |
case 5: |
4827 |
case 7: |
4828 |
gen_op_mtc0_datahi(); |
4829 |
rn = "DataHi";
|
4830 |
break;
|
4831 |
default:
|
4832 |
rn = "invalid sel";
|
4833 |
goto die;
|
4834 |
} |
4835 |
break;
|
4836 |
case 30: |
4837 |
switch (sel) {
|
4838 |
case 0: |
4839 |
gen_op_mtc0_errorepc(); |
4840 |
rn = "ErrorEPC";
|
4841 |
break;
|
4842 |
default:
|
4843 |
goto die;
|
4844 |
} |
4845 |
break;
|
4846 |
case 31: |
4847 |
switch (sel) {
|
4848 |
case 0: |
4849 |
gen_op_mtc0_desave(); /* EJTAG support */
|
4850 |
rn = "DESAVE";
|
4851 |
break;
|
4852 |
default:
|
4853 |
goto die;
|
4854 |
} |
4855 |
/* Stop translation as we may have switched the execution mode */
|
4856 |
ctx->bstate = BS_STOP; |
4857 |
break;
|
4858 |
default:
|
4859 |
goto die;
|
4860 |
} |
4861 |
#if defined MIPS_DEBUG_DISAS
|
4862 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4863 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4864 |
rn, reg, sel); |
4865 |
} |
4866 |
#endif
|
4867 |
return;
|
4868 |
|
4869 |
die:
|
4870 |
#if defined MIPS_DEBUG_DISAS
|
4871 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4872 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4873 |
rn, reg, sel); |
4874 |
} |
4875 |
#endif
|
4876 |
generate_exception(ctx, EXCP_RI); |
4877 |
} |
4878 |
#endif /* TARGET_MIPS64 */ |
4879 |
|
4880 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, |
4881 |
int u, int sel, int h) |
4882 |
{ |
4883 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
4884 |
|
4885 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
4886 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
4887 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
4888 |
tcg_gen_movi_tl(cpu_T[0], -1); |
4889 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
4890 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
4891 |
tcg_gen_movi_tl(cpu_T[0], -1); |
4892 |
else if (u == 0) { |
4893 |
switch (rt) {
|
4894 |
case 2: |
4895 |
switch (sel) {
|
4896 |
case 1: |
4897 |
gen_op_mftc0_tcstatus(); |
4898 |
break;
|
4899 |
case 2: |
4900 |
gen_op_mftc0_tcbind(); |
4901 |
break;
|
4902 |
case 3: |
4903 |
gen_op_mftc0_tcrestart(); |
4904 |
break;
|
4905 |
case 4: |
4906 |
gen_op_mftc0_tchalt(); |
4907 |
break;
|
4908 |
case 5: |
4909 |
gen_op_mftc0_tccontext(); |
4910 |
break;
|
4911 |
case 6: |
4912 |
gen_op_mftc0_tcschedule(); |
4913 |
break;
|
4914 |
case 7: |
4915 |
gen_op_mftc0_tcschefback(); |
4916 |
break;
|
4917 |
default:
|
4918 |
gen_mfc0(env, ctx, rt, sel); |
4919 |
break;
|
4920 |
} |
4921 |
break;
|
4922 |
case 10: |
4923 |
switch (sel) {
|
4924 |
case 0: |
4925 |
gen_op_mftc0_entryhi(); |
4926 |
break;
|
4927 |
default:
|
4928 |
gen_mfc0(env, ctx, rt, sel); |
4929 |
break;
|
4930 |
} |
4931 |
case 12: |
4932 |
switch (sel) {
|
4933 |
case 0: |
4934 |
gen_op_mftc0_status(); |
4935 |
break;
|
4936 |
default:
|
4937 |
gen_mfc0(env, ctx, rt, sel); |
4938 |
break;
|
4939 |
} |
4940 |
case 23: |
4941 |
switch (sel) {
|
4942 |
case 0: |
4943 |
gen_op_mftc0_debug(); |
4944 |
break;
|
4945 |
default:
|
4946 |
gen_mfc0(env, ctx, rt, sel); |
4947 |
break;
|
4948 |
} |
4949 |
break;
|
4950 |
default:
|
4951 |
gen_mfc0(env, ctx, rt, sel); |
4952 |
} |
4953 |
} else switch (sel) { |
4954 |
/* GPR registers. */
|
4955 |
case 0: |
4956 |
gen_op_mftgpr(rt); |
4957 |
break;
|
4958 |
/* Auxiliary CPU registers */
|
4959 |
case 1: |
4960 |
switch (rt) {
|
4961 |
case 0: |
4962 |
gen_op_mftlo(0);
|
4963 |
break;
|
4964 |
case 1: |
4965 |
gen_op_mfthi(0);
|
4966 |
break;
|
4967 |
case 2: |
4968 |
gen_op_mftacx(0);
|
4969 |
break;
|
4970 |
case 4: |
4971 |
gen_op_mftlo(1);
|
4972 |
break;
|
4973 |
case 5: |
4974 |
gen_op_mfthi(1);
|
4975 |
break;
|
4976 |
case 6: |
4977 |
gen_op_mftacx(1);
|
4978 |
break;
|
4979 |
case 8: |
4980 |
gen_op_mftlo(2);
|
4981 |
break;
|
4982 |
case 9: |
4983 |
gen_op_mfthi(2);
|
4984 |
break;
|
4985 |
case 10: |
4986 |
gen_op_mftacx(2);
|
4987 |
break;
|
4988 |
case 12: |
4989 |
gen_op_mftlo(3);
|
4990 |
break;
|
4991 |
case 13: |
4992 |
gen_op_mfthi(3);
|
4993 |
break;
|
4994 |
case 14: |
4995 |
gen_op_mftacx(3);
|
4996 |
break;
|
4997 |
case 16: |
4998 |
gen_op_mftdsp(); |
4999 |
break;
|
5000 |
default:
|
5001 |
goto die;
|
5002 |
} |
5003 |
break;
|
5004 |
/* Floating point (COP1). */
|
5005 |
case 2: |
5006 |
/* XXX: For now we support only a single FPU context. */
|
5007 |
if (h == 0) { |
5008 |
GEN_LOAD_FREG_FTN(WT0, rt); |
5009 |
gen_op_mfc1(); |
5010 |
} else {
|
5011 |
GEN_LOAD_FREG_FTN(WTH0, rt); |
5012 |
gen_op_mfhc1(); |
5013 |
} |
5014 |
break;
|
5015 |
case 3: |
5016 |
/* XXX: For now we support only a single FPU context. */
|
5017 |
gen_op_cfc1(rt); |
5018 |
break;
|
5019 |
/* COP2: Not implemented. */
|
5020 |
case 4: |
5021 |
case 5: |
5022 |
/* fall through */
|
5023 |
default:
|
5024 |
goto die;
|
5025 |
} |
5026 |
#if defined MIPS_DEBUG_DISAS
|
5027 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5028 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
5029 |
rt, u, sel, h); |
5030 |
} |
5031 |
#endif
|
5032 |
return;
|
5033 |
|
5034 |
die:
|
5035 |
#if defined MIPS_DEBUG_DISAS
|
5036 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5037 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
5038 |
rt, u, sel, h); |
5039 |
} |
5040 |
#endif
|
5041 |
generate_exception(ctx, EXCP_RI); |
5042 |
} |
5043 |
|
5044 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, |
5045 |
int u, int sel, int h) |
5046 |
{ |
5047 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
5048 |
|
5049 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
5050 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
5051 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
5052 |
/* NOP */ ;
|
5053 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
5054 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
5055 |
/* NOP */ ;
|
5056 |
else if (u == 0) { |
5057 |
switch (rd) {
|
5058 |
case 2: |
5059 |
switch (sel) {
|
5060 |
case 1: |
5061 |
gen_op_mttc0_tcstatus(); |
5062 |
break;
|
5063 |
case 2: |
5064 |
gen_op_mttc0_tcbind(); |
5065 |
break;
|
5066 |
case 3: |
5067 |
gen_op_mttc0_tcrestart(); |
5068 |
break;
|
5069 |
case 4: |
5070 |
gen_op_mttc0_tchalt(); |
5071 |
break;
|
5072 |
case 5: |
5073 |
gen_op_mttc0_tccontext(); |
5074 |
break;
|
5075 |
case 6: |
5076 |
gen_op_mttc0_tcschedule(); |
5077 |
break;
|
5078 |
case 7: |
5079 |
gen_op_mttc0_tcschefback(); |
5080 |
break;
|
5081 |
default:
|
5082 |
gen_mtc0(env, ctx, rd, sel); |
5083 |
break;
|
5084 |
} |
5085 |
break;
|
5086 |
case 10: |
5087 |
switch (sel) {
|
5088 |
case 0: |
5089 |
gen_op_mttc0_entryhi(); |
5090 |
break;
|
5091 |
default:
|
5092 |
gen_mtc0(env, ctx, rd, sel); |
5093 |
break;
|
5094 |
} |
5095 |
case 12: |
5096 |
switch (sel) {
|
5097 |
case 0: |
5098 |
gen_op_mttc0_status(); |
5099 |
break;
|
5100 |
default:
|
5101 |
gen_mtc0(env, ctx, rd, sel); |
5102 |
break;
|
5103 |
} |
5104 |
case 23: |
5105 |
switch (sel) {
|
5106 |
case 0: |
5107 |
gen_op_mttc0_debug(); |
5108 |
break;
|
5109 |
default:
|
5110 |
gen_mtc0(env, ctx, rd, sel); |
5111 |
break;
|
5112 |
} |
5113 |
break;
|
5114 |
default:
|
5115 |
gen_mtc0(env, ctx, rd, sel); |
5116 |
} |
5117 |
} else switch (sel) { |
5118 |
/* GPR registers. */
|
5119 |
case 0: |
5120 |
gen_op_mttgpr(rd); |
5121 |
break;
|
5122 |
/* Auxiliary CPU registers */
|
5123 |
case 1: |
5124 |
switch (rd) {
|
5125 |
case 0: |
5126 |
gen_op_mttlo(0);
|
5127 |
break;
|
5128 |
case 1: |
5129 |
gen_op_mtthi(0);
|
5130 |
break;
|
5131 |
case 2: |
5132 |
gen_op_mttacx(0);
|
5133 |
break;
|
5134 |
case 4: |
5135 |
gen_op_mttlo(1);
|
5136 |
break;
|
5137 |
case 5: |
5138 |
gen_op_mtthi(1);
|
5139 |
break;
|
5140 |
case 6: |
5141 |
gen_op_mttacx(1);
|
5142 |
break;
|
5143 |
case 8: |
5144 |
gen_op_mttlo(2);
|
5145 |
break;
|
5146 |
case 9: |
5147 |
gen_op_mtthi(2);
|
5148 |
break;
|
5149 |
case 10: |
5150 |
gen_op_mttacx(2);
|
5151 |
break;
|
5152 |
case 12: |
5153 |
gen_op_mttlo(3);
|
5154 |
break;
|
5155 |
case 13: |
5156 |
gen_op_mtthi(3);
|
5157 |
break;
|
5158 |
case 14: |
5159 |
gen_op_mttacx(3);
|
5160 |
break;
|
5161 |
case 16: |
5162 |
gen_op_mttdsp(); |
5163 |
break;
|
5164 |
default:
|
5165 |
goto die;
|
5166 |
} |
5167 |
break;
|
5168 |
/* Floating point (COP1). */
|
5169 |
case 2: |
5170 |
/* XXX: For now we support only a single FPU context. */
|
5171 |
if (h == 0) { |
5172 |
gen_op_mtc1(); |
5173 |
GEN_STORE_FTN_FREG(rd, WT0); |
5174 |
} else {
|
5175 |
gen_op_mthc1(); |
5176 |
GEN_STORE_FTN_FREG(rd, WTH0); |
5177 |
} |
5178 |
break;
|
5179 |
case 3: |
5180 |
/* XXX: For now we support only a single FPU context. */
|
5181 |
gen_op_ctc1(rd); |
5182 |
break;
|
5183 |
/* COP2: Not implemented. */
|
5184 |
case 4: |
5185 |
case 5: |
5186 |
/* fall through */
|
5187 |
default:
|
5188 |
goto die;
|
5189 |
} |
5190 |
#if defined MIPS_DEBUG_DISAS
|
5191 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5192 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
5193 |
rd, u, sel, h); |
5194 |
} |
5195 |
#endif
|
5196 |
return;
|
5197 |
|
5198 |
die:
|
5199 |
#if defined MIPS_DEBUG_DISAS
|
5200 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5201 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
5202 |
rd, u, sel, h); |
5203 |
} |
5204 |
#endif
|
5205 |
generate_exception(ctx, EXCP_RI); |
5206 |
} |
5207 |
|
5208 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
5209 |
{ |
5210 |
const char *opn = "ldst"; |
5211 |
|
5212 |
switch (opc) {
|
5213 |
case OPC_MFC0:
|
5214 |
if (rt == 0) { |
5215 |
/* Treat as NOP. */
|
5216 |
return;
|
5217 |
} |
5218 |
gen_mfc0(env, ctx, rd, ctx->opcode & 0x7);
|
5219 |
gen_store_gpr(cpu_T[0], rt);
|
5220 |
opn = "mfc0";
|
5221 |
break;
|
5222 |
case OPC_MTC0:
|
5223 |
gen_load_gpr(cpu_T[0], rt);
|
5224 |
save_cpu_state(ctx, 1);
|
5225 |
gen_mtc0(env, ctx, rd, ctx->opcode & 0x7);
|
5226 |
opn = "mtc0";
|
5227 |
break;
|
5228 |
#if defined(TARGET_MIPS64)
|
5229 |
case OPC_DMFC0:
|
5230 |
check_insn(env, ctx, ISA_MIPS3); |
5231 |
if (rt == 0) { |
5232 |
/* Treat as NOP. */
|
5233 |
return;
|
5234 |
} |
5235 |
gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7);
|
5236 |
gen_store_gpr(cpu_T[0], rt);
|
5237 |
opn = "dmfc0";
|
5238 |
break;
|
5239 |
case OPC_DMTC0:
|
5240 |
check_insn(env, ctx, ISA_MIPS3); |
5241 |
gen_load_gpr(cpu_T[0], rt);
|
5242 |
save_cpu_state(ctx, 1);
|
5243 |
gen_dmtc0(env, ctx, rd, ctx->opcode & 0x7);
|
5244 |
opn = "dmtc0";
|
5245 |
break;
|
5246 |
#endif
|
5247 |
case OPC_MFTR:
|
5248 |
check_insn(env, ctx, ASE_MT); |
5249 |
if (rd == 0) { |
5250 |
/* Treat as NOP. */
|
5251 |
return;
|
5252 |
} |
5253 |
gen_mftr(env, ctx, rt, (ctx->opcode >> 5) & 1, |
5254 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5255 |
gen_store_gpr(cpu_T[0], rd);
|
5256 |
opn = "mftr";
|
5257 |
break;
|
5258 |
case OPC_MTTR:
|
5259 |
check_insn(env, ctx, ASE_MT); |
5260 |
gen_load_gpr(cpu_T[0], rt);
|
5261 |
gen_mttr(env, ctx, rd, (ctx->opcode >> 5) & 1, |
5262 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5263 |
opn = "mttr";
|
5264 |
break;
|
5265 |
case OPC_TLBWI:
|
5266 |
opn = "tlbwi";
|
5267 |
if (!env->tlb->do_tlbwi)
|
5268 |
goto die;
|
5269 |
gen_op_tlbwi(); |
5270 |
break;
|
5271 |
case OPC_TLBWR:
|
5272 |
opn = "tlbwr";
|
5273 |
if (!env->tlb->do_tlbwr)
|
5274 |
goto die;
|
5275 |
gen_op_tlbwr(); |
5276 |
break;
|
5277 |
case OPC_TLBP:
|
5278 |
opn = "tlbp";
|
5279 |
if (!env->tlb->do_tlbp)
|
5280 |
goto die;
|
5281 |
gen_op_tlbp(); |
5282 |
break;
|
5283 |
case OPC_TLBR:
|
5284 |
opn = "tlbr";
|
5285 |
if (!env->tlb->do_tlbr)
|
5286 |
goto die;
|
5287 |
gen_op_tlbr(); |
5288 |
break;
|
5289 |
case OPC_ERET:
|
5290 |
opn = "eret";
|
5291 |
check_insn(env, ctx, ISA_MIPS2); |
5292 |
save_cpu_state(ctx, 1);
|
5293 |
gen_op_eret(); |
5294 |
ctx->bstate = BS_EXCP; |
5295 |
break;
|
5296 |
case OPC_DERET:
|
5297 |
opn = "deret";
|
5298 |
check_insn(env, ctx, ISA_MIPS32); |
5299 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
5300 |
MIPS_INVAL(opn); |
5301 |
generate_exception(ctx, EXCP_RI); |
5302 |
} else {
|
5303 |
save_cpu_state(ctx, 1);
|
5304 |
gen_op_deret(); |
5305 |
ctx->bstate = BS_EXCP; |
5306 |
} |
5307 |
break;
|
5308 |
case OPC_WAIT:
|
5309 |
opn = "wait";
|
5310 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
5311 |
/* If we get an exception, we want to restart at next instruction */
|
5312 |
ctx->pc += 4;
|
5313 |
save_cpu_state(ctx, 1);
|
5314 |
ctx->pc -= 4;
|
5315 |
gen_op_wait(); |
5316 |
ctx->bstate = BS_EXCP; |
5317 |
break;
|
5318 |
default:
|
5319 |
die:
|
5320 |
MIPS_INVAL(opn); |
5321 |
generate_exception(ctx, EXCP_RI); |
5322 |
return;
|
5323 |
} |
5324 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
5325 |
} |
5326 |
|
5327 |
/* CP1 Branches (before delay slot) */
|
5328 |
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
5329 |
int32_t cc, int32_t offset) |
5330 |
{ |
5331 |
target_ulong btarget; |
5332 |
const char *opn = "cp1 cond branch"; |
5333 |
|
5334 |
if (cc != 0) |
5335 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
5336 |
|
5337 |
btarget = ctx->pc + 4 + offset;
|
5338 |
|
5339 |
switch (op) {
|
5340 |
case OPC_BC1F:
|
5341 |
gen_op_bc1f(cc); |
5342 |
opn = "bc1f";
|
5343 |
goto not_likely;
|
5344 |
case OPC_BC1FL:
|
5345 |
gen_op_bc1f(cc); |
5346 |
opn = "bc1fl";
|
5347 |
goto likely;
|
5348 |
case OPC_BC1T:
|
5349 |
gen_op_bc1t(cc); |
5350 |
opn = "bc1t";
|
5351 |
goto not_likely;
|
5352 |
case OPC_BC1TL:
|
5353 |
gen_op_bc1t(cc); |
5354 |
opn = "bc1tl";
|
5355 |
likely:
|
5356 |
ctx->hflags |= MIPS_HFLAG_BL; |
5357 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
5358 |
break;
|
5359 |
case OPC_BC1FANY2:
|
5360 |
gen_op_bc1any2f(cc); |
5361 |
opn = "bc1any2f";
|
5362 |
goto not_likely;
|
5363 |
case OPC_BC1TANY2:
|
5364 |
gen_op_bc1any2t(cc); |
5365 |
opn = "bc1any2t";
|
5366 |
goto not_likely;
|
5367 |
case OPC_BC1FANY4:
|
5368 |
gen_op_bc1any4f(cc); |
5369 |
opn = "bc1any4f";
|
5370 |
goto not_likely;
|
5371 |
case OPC_BC1TANY4:
|
5372 |
gen_op_bc1any4t(cc); |
5373 |
opn = "bc1any4t";
|
5374 |
not_likely:
|
5375 |
ctx->hflags |= MIPS_HFLAG_BC; |
5376 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
5377 |
break;
|
5378 |
default:
|
5379 |
MIPS_INVAL(opn); |
5380 |
generate_exception (ctx, EXCP_RI); |
5381 |
return;
|
5382 |
} |
5383 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
5384 |
ctx->hflags, btarget); |
5385 |
ctx->btarget = btarget; |
5386 |
} |
5387 |
|
5388 |
/* Coprocessor 1 (FPU) */
|
5389 |
|
5390 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
5391 |
|
5392 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
5393 |
{ |
5394 |
const char *opn = "cp1 move"; |
5395 |
|
5396 |
switch (opc) {
|
5397 |
case OPC_MFC1:
|
5398 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5399 |
gen_op_mfc1(); |
5400 |
gen_store_gpr(cpu_T[0], rt);
|
5401 |
opn = "mfc1";
|
5402 |
break;
|
5403 |
case OPC_MTC1:
|
5404 |
gen_load_gpr(cpu_T[0], rt);
|
5405 |
gen_op_mtc1(); |
5406 |
GEN_STORE_FTN_FREG(fs, WT0); |
5407 |
opn = "mtc1";
|
5408 |
break;
|
5409 |
case OPC_CFC1:
|
5410 |
gen_op_cfc1(fs); |
5411 |
gen_store_gpr(cpu_T[0], rt);
|
5412 |
opn = "cfc1";
|
5413 |
break;
|
5414 |
case OPC_CTC1:
|
5415 |
gen_load_gpr(cpu_T[0], rt);
|
5416 |
gen_op_ctc1(fs); |
5417 |
opn = "ctc1";
|
5418 |
break;
|
5419 |
case OPC_DMFC1:
|
5420 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5421 |
gen_op_dmfc1(); |
5422 |
gen_store_gpr(cpu_T[0], rt);
|
5423 |
opn = "dmfc1";
|
5424 |
break;
|
5425 |
case OPC_DMTC1:
|
5426 |
gen_load_gpr(cpu_T[0], rt);
|
5427 |
gen_op_dmtc1(); |
5428 |
GEN_STORE_FTN_FREG(fs, DT0); |
5429 |
opn = "dmtc1";
|
5430 |
break;
|
5431 |
case OPC_MFHC1:
|
5432 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5433 |
gen_op_mfhc1(); |
5434 |
gen_store_gpr(cpu_T[0], rt);
|
5435 |
opn = "mfhc1";
|
5436 |
break;
|
5437 |
case OPC_MTHC1:
|
5438 |
gen_load_gpr(cpu_T[0], rt);
|
5439 |
gen_op_mthc1(); |
5440 |
GEN_STORE_FTN_FREG(fs, WTH0); |
5441 |
opn = "mthc1";
|
5442 |
break;
|
5443 |
default:
|
5444 |
MIPS_INVAL(opn); |
5445 |
generate_exception (ctx, EXCP_RI); |
5446 |
return;
|
5447 |
} |
5448 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
5449 |
} |
5450 |
|
5451 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
5452 |
{ |
5453 |
uint32_t ccbit; |
5454 |
|
5455 |
gen_load_gpr(cpu_T[0], rd);
|
5456 |
gen_load_gpr(cpu_T[1], rs);
|
5457 |
if (cc) {
|
5458 |
ccbit = 1 << (24 + cc); |
5459 |
} else
|
5460 |
ccbit = 1 << 23; |
5461 |
if (!tf)
|
5462 |
gen_op_movf(ccbit); |
5463 |
else
|
5464 |
gen_op_movt(ccbit); |
5465 |
gen_store_gpr(cpu_T[0], rd);
|
5466 |
} |
5467 |
|
5468 |
#define GEN_MOVCF(fmt) \
|
5469 |
static void glue(gen_movcf_, fmt) (DisasContext *ctx, int cc, int tf) \ |
5470 |
{ \ |
5471 |
uint32_t ccbit; \ |
5472 |
\ |
5473 |
if (cc) { \
|
5474 |
ccbit = 1 << (24 + cc); \ |
5475 |
} else \
|
5476 |
ccbit = 1 << 23; \ |
5477 |
if (!tf) \
|
5478 |
glue(gen_op_float_movf_, fmt)(ccbit); \ |
5479 |
else \
|
5480 |
glue(gen_op_float_movt_, fmt)(ccbit); \ |
5481 |
} |
5482 |
GEN_MOVCF(d); |
5483 |
GEN_MOVCF(s); |
5484 |
GEN_MOVCF(ps); |
5485 |
#undef GEN_MOVCF
|
5486 |
|
5487 |
static void gen_farith (DisasContext *ctx, uint32_t op1, |
5488 |
int ft, int fs, int fd, int cc) |
5489 |
{ |
5490 |
const char *opn = "farith"; |
5491 |
const char *condnames[] = { |
5492 |
"c.f",
|
5493 |
"c.un",
|
5494 |
"c.eq",
|
5495 |
"c.ueq",
|
5496 |
"c.olt",
|
5497 |
"c.ult",
|
5498 |
"c.ole",
|
5499 |
"c.ule",
|
5500 |
"c.sf",
|
5501 |
"c.ngle",
|
5502 |
"c.seq",
|
5503 |
"c.ngl",
|
5504 |
"c.lt",
|
5505 |
"c.nge",
|
5506 |
"c.le",
|
5507 |
"c.ngt",
|
5508 |
}; |
5509 |
const char *condnames_abs[] = { |
5510 |
"cabs.f",
|
5511 |
"cabs.un",
|
5512 |
"cabs.eq",
|
5513 |
"cabs.ueq",
|
5514 |
"cabs.olt",
|
5515 |
"cabs.ult",
|
5516 |
"cabs.ole",
|
5517 |
"cabs.ule",
|
5518 |
"cabs.sf",
|
5519 |
"cabs.ngle",
|
5520 |
"cabs.seq",
|
5521 |
"cabs.ngl",
|
5522 |
"cabs.lt",
|
5523 |
"cabs.nge",
|
5524 |
"cabs.le",
|
5525 |
"cabs.ngt",
|
5526 |
}; |
5527 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
5528 |
uint32_t func = ctx->opcode & 0x3f;
|
5529 |
|
5530 |
switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
5531 |
case FOP(0, 16): |
5532 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5533 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5534 |
gen_op_float_add_s(); |
5535 |
GEN_STORE_FTN_FREG(fd, WT2); |
5536 |
opn = "add.s";
|
5537 |
optype = BINOP; |
5538 |
break;
|
5539 |
case FOP(1, 16): |
5540 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5541 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5542 |
gen_op_float_sub_s(); |
5543 |
GEN_STORE_FTN_FREG(fd, WT2); |
5544 |
opn = "sub.s";
|
5545 |
optype = BINOP; |
5546 |
break;
|
5547 |
case FOP(2, 16): |
5548 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5549 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5550 |
gen_op_float_mul_s(); |
5551 |
GEN_STORE_FTN_FREG(fd, WT2); |
5552 |
opn = "mul.s";
|
5553 |
optype = BINOP; |
5554 |
break;
|
5555 |
case FOP(3, 16): |
5556 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5557 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5558 |
gen_op_float_div_s(); |
5559 |
GEN_STORE_FTN_FREG(fd, WT2); |
5560 |
opn = "div.s";
|
5561 |
optype = BINOP; |
5562 |
break;
|
5563 |
case FOP(4, 16): |
5564 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5565 |
gen_op_float_sqrt_s(); |
5566 |
GEN_STORE_FTN_FREG(fd, WT2); |
5567 |
opn = "sqrt.s";
|
5568 |
break;
|
5569 |
case FOP(5, 16): |
5570 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5571 |
gen_op_float_abs_s(); |
5572 |
GEN_STORE_FTN_FREG(fd, WT2); |
5573 |
opn = "abs.s";
|
5574 |
break;
|
5575 |
case FOP(6, 16): |
5576 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5577 |
gen_op_float_mov_s(); |
5578 |
GEN_STORE_FTN_FREG(fd, WT2); |
5579 |
opn = "mov.s";
|
5580 |
break;
|
5581 |
case FOP(7, 16): |
5582 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5583 |
gen_op_float_chs_s(); |
5584 |
GEN_STORE_FTN_FREG(fd, WT2); |
5585 |
opn = "neg.s";
|
5586 |
break;
|
5587 |
case FOP(8, 16): |
5588 |
check_cp1_64bitmode(ctx); |
5589 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5590 |
gen_op_float_roundl_s(); |
5591 |
GEN_STORE_FTN_FREG(fd, DT2); |
5592 |
opn = "round.l.s";
|
5593 |
break;
|
5594 |
case FOP(9, 16): |
5595 |
check_cp1_64bitmode(ctx); |
5596 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5597 |
gen_op_float_truncl_s(); |
5598 |
GEN_STORE_FTN_FREG(fd, DT2); |
5599 |
opn = "trunc.l.s";
|
5600 |
break;
|
5601 |
case FOP(10, 16): |
5602 |
check_cp1_64bitmode(ctx); |
5603 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5604 |
gen_op_float_ceill_s(); |
5605 |
GEN_STORE_FTN_FREG(fd, DT2); |
5606 |
opn = "ceil.l.s";
|
5607 |
break;
|
5608 |
case FOP(11, 16): |
5609 |
check_cp1_64bitmode(ctx); |
5610 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5611 |
gen_op_float_floorl_s(); |
5612 |
GEN_STORE_FTN_FREG(fd, DT2); |
5613 |
opn = "floor.l.s";
|
5614 |
break;
|
5615 |
case FOP(12, 16): |
5616 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5617 |
gen_op_float_roundw_s(); |
5618 |
GEN_STORE_FTN_FREG(fd, WT2); |
5619 |
opn = "round.w.s";
|
5620 |
break;
|
5621 |
case FOP(13, 16): |
5622 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5623 |
gen_op_float_truncw_s(); |
5624 |
GEN_STORE_FTN_FREG(fd, WT2); |
5625 |
opn = "trunc.w.s";
|
5626 |
break;
|
5627 |
case FOP(14, 16): |
5628 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5629 |
gen_op_float_ceilw_s(); |
5630 |
GEN_STORE_FTN_FREG(fd, WT2); |
5631 |
opn = "ceil.w.s";
|
5632 |
break;
|
5633 |
case FOP(15, 16): |
5634 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5635 |
gen_op_float_floorw_s(); |
5636 |
GEN_STORE_FTN_FREG(fd, WT2); |
5637 |
opn = "floor.w.s";
|
5638 |
break;
|
5639 |
case FOP(17, 16): |
5640 |
gen_load_gpr(cpu_T[0], ft);
|
5641 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5642 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5643 |
gen_movcf_s(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5644 |
GEN_STORE_FTN_FREG(fd, WT2); |
5645 |
opn = "movcf.s";
|
5646 |
break;
|
5647 |
case FOP(18, 16): |
5648 |
gen_load_gpr(cpu_T[0], ft);
|
5649 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5650 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5651 |
gen_op_float_movz_s(); |
5652 |
GEN_STORE_FTN_FREG(fd, WT2); |
5653 |
opn = "movz.s";
|
5654 |
break;
|
5655 |
case FOP(19, 16): |
5656 |
gen_load_gpr(cpu_T[0], ft);
|
5657 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5658 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5659 |
gen_op_float_movn_s(); |
5660 |
GEN_STORE_FTN_FREG(fd, WT2); |
5661 |
opn = "movn.s";
|
5662 |
break;
|
5663 |
case FOP(21, 16): |
5664 |
check_cop1x(ctx); |
5665 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5666 |
gen_op_float_recip_s(); |
5667 |
GEN_STORE_FTN_FREG(fd, WT2); |
5668 |
opn = "recip.s";
|
5669 |
break;
|
5670 |
case FOP(22, 16): |
5671 |
check_cop1x(ctx); |
5672 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5673 |
gen_op_float_rsqrt_s(); |
5674 |
GEN_STORE_FTN_FREG(fd, WT2); |
5675 |
opn = "rsqrt.s";
|
5676 |
break;
|
5677 |
case FOP(28, 16): |
5678 |
check_cp1_64bitmode(ctx); |
5679 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5680 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5681 |
gen_op_float_recip2_s(); |
5682 |
GEN_STORE_FTN_FREG(fd, WT2); |
5683 |
opn = "recip2.s";
|
5684 |
break;
|
5685 |
case FOP(29, 16): |
5686 |
check_cp1_64bitmode(ctx); |
5687 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5688 |
gen_op_float_recip1_s(); |
5689 |
GEN_STORE_FTN_FREG(fd, WT2); |
5690 |
opn = "recip1.s";
|
5691 |
break;
|
5692 |
case FOP(30, 16): |
5693 |
check_cp1_64bitmode(ctx); |
5694 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5695 |
gen_op_float_rsqrt1_s(); |
5696 |
GEN_STORE_FTN_FREG(fd, WT2); |
5697 |
opn = "rsqrt1.s";
|
5698 |
break;
|
5699 |
case FOP(31, 16): |
5700 |
check_cp1_64bitmode(ctx); |
5701 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5702 |
GEN_LOAD_FREG_FTN(WT2, ft); |
5703 |
gen_op_float_rsqrt2_s(); |
5704 |
GEN_STORE_FTN_FREG(fd, WT2); |
5705 |
opn = "rsqrt2.s";
|
5706 |
break;
|
5707 |
case FOP(33, 16): |
5708 |
check_cp1_registers(ctx, fd); |
5709 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5710 |
gen_op_float_cvtd_s(); |
5711 |
GEN_STORE_FTN_FREG(fd, DT2); |
5712 |
opn = "cvt.d.s";
|
5713 |
break;
|
5714 |
case FOP(36, 16): |
5715 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5716 |
gen_op_float_cvtw_s(); |
5717 |
GEN_STORE_FTN_FREG(fd, WT2); |
5718 |
opn = "cvt.w.s";
|
5719 |
break;
|
5720 |
case FOP(37, 16): |
5721 |
check_cp1_64bitmode(ctx); |
5722 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5723 |
gen_op_float_cvtl_s(); |
5724 |
GEN_STORE_FTN_FREG(fd, DT2); |
5725 |
opn = "cvt.l.s";
|
5726 |
break;
|
5727 |
case FOP(38, 16): |
5728 |
check_cp1_64bitmode(ctx); |
5729 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5730 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5731 |
gen_op_float_cvtps_s(); |
5732 |
GEN_STORE_FTN_FREG(fd, DT2); |
5733 |
opn = "cvt.ps.s";
|
5734 |
break;
|
5735 |
case FOP(48, 16): |
5736 |
case FOP(49, 16): |
5737 |
case FOP(50, 16): |
5738 |
case FOP(51, 16): |
5739 |
case FOP(52, 16): |
5740 |
case FOP(53, 16): |
5741 |
case FOP(54, 16): |
5742 |
case FOP(55, 16): |
5743 |
case FOP(56, 16): |
5744 |
case FOP(57, 16): |
5745 |
case FOP(58, 16): |
5746 |
case FOP(59, 16): |
5747 |
case FOP(60, 16): |
5748 |
case FOP(61, 16): |
5749 |
case FOP(62, 16): |
5750 |
case FOP(63, 16): |
5751 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5752 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5753 |
if (ctx->opcode & (1 << 6)) { |
5754 |
check_cop1x(ctx); |
5755 |
gen_cmpabs_s(func-48, cc);
|
5756 |
opn = condnames_abs[func-48];
|
5757 |
} else {
|
5758 |
gen_cmp_s(func-48, cc);
|
5759 |
opn = condnames[func-48];
|
5760 |
} |
5761 |
break;
|
5762 |
case FOP(0, 17): |
5763 |
check_cp1_registers(ctx, fs | ft | fd); |
5764 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5765 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5766 |
gen_op_float_add_d(); |
5767 |
GEN_STORE_FTN_FREG(fd, DT2); |
5768 |
opn = "add.d";
|
5769 |
optype = BINOP; |
5770 |
break;
|
5771 |
case FOP(1, 17): |
5772 |
check_cp1_registers(ctx, fs | ft | fd); |
5773 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5774 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5775 |
gen_op_float_sub_d(); |
5776 |
GEN_STORE_FTN_FREG(fd, DT2); |
5777 |
opn = "sub.d";
|
5778 |
optype = BINOP; |
5779 |
break;
|
5780 |
case FOP(2, 17): |
5781 |
check_cp1_registers(ctx, fs | ft | fd); |
5782 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5783 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5784 |
gen_op_float_mul_d(); |
5785 |
GEN_STORE_FTN_FREG(fd, DT2); |
5786 |
opn = "mul.d";
|
5787 |
optype = BINOP; |
5788 |
break;
|
5789 |
case FOP(3, 17): |
5790 |
check_cp1_registers(ctx, fs | ft | fd); |
5791 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5792 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5793 |
gen_op_float_div_d(); |
5794 |
GEN_STORE_FTN_FREG(fd, DT2); |
5795 |
opn = "div.d";
|
5796 |
optype = BINOP; |
5797 |
break;
|
5798 |
case FOP(4, 17): |
5799 |
check_cp1_registers(ctx, fs | fd); |
5800 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5801 |
gen_op_float_sqrt_d(); |
5802 |
GEN_STORE_FTN_FREG(fd, DT2); |
5803 |
opn = "sqrt.d";
|
5804 |
break;
|
5805 |
case FOP(5, 17): |
5806 |
check_cp1_registers(ctx, fs | fd); |
5807 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5808 |
gen_op_float_abs_d(); |
5809 |
GEN_STORE_FTN_FREG(fd, DT2); |
5810 |
opn = "abs.d";
|
5811 |
break;
|
5812 |
case FOP(6, 17): |
5813 |
check_cp1_registers(ctx, fs | fd); |
5814 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5815 |
gen_op_float_mov_d(); |
5816 |
GEN_STORE_FTN_FREG(fd, DT2); |
5817 |
opn = "mov.d";
|
5818 |
break;
|
5819 |
case FOP(7, 17): |
5820 |
check_cp1_registers(ctx, fs | fd); |
5821 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5822 |
gen_op_float_chs_d(); |
5823 |
GEN_STORE_FTN_FREG(fd, DT2); |
5824 |
opn = "neg.d";
|
5825 |
break;
|
5826 |
case FOP(8, 17): |
5827 |
check_cp1_64bitmode(ctx); |
5828 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5829 |
gen_op_float_roundl_d(); |
5830 |
GEN_STORE_FTN_FREG(fd, DT2); |
5831 |
opn = "round.l.d";
|
5832 |
break;
|
5833 |
case FOP(9, 17): |
5834 |
check_cp1_64bitmode(ctx); |
5835 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5836 |
gen_op_float_truncl_d(); |
5837 |
GEN_STORE_FTN_FREG(fd, DT2); |
5838 |
opn = "trunc.l.d";
|
5839 |
break;
|
5840 |
case FOP(10, 17): |
5841 |
check_cp1_64bitmode(ctx); |
5842 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5843 |
gen_op_float_ceill_d(); |
5844 |
GEN_STORE_FTN_FREG(fd, DT2); |
5845 |
opn = "ceil.l.d";
|
5846 |
break;
|
5847 |
case FOP(11, 17): |
5848 |
check_cp1_64bitmode(ctx); |
5849 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5850 |
gen_op_float_floorl_d(); |
5851 |
GEN_STORE_FTN_FREG(fd, DT2); |
5852 |
opn = "floor.l.d";
|
5853 |
break;
|
5854 |
case FOP(12, 17): |
5855 |
check_cp1_registers(ctx, fs); |
5856 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5857 |
gen_op_float_roundw_d(); |
5858 |
GEN_STORE_FTN_FREG(fd, WT2); |
5859 |
opn = "round.w.d";
|
5860 |
break;
|
5861 |
case FOP(13, 17): |
5862 |
check_cp1_registers(ctx, fs); |
5863 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5864 |
gen_op_float_truncw_d(); |
5865 |
GEN_STORE_FTN_FREG(fd, WT2); |
5866 |
opn = "trunc.w.d";
|
5867 |
break;
|
5868 |
case FOP(14, 17): |
5869 |
check_cp1_registers(ctx, fs); |
5870 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5871 |
gen_op_float_ceilw_d(); |
5872 |
GEN_STORE_FTN_FREG(fd, WT2); |
5873 |
opn = "ceil.w.d";
|
5874 |
break;
|
5875 |
case FOP(15, 17): |
5876 |
check_cp1_registers(ctx, fs); |
5877 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5878 |
gen_op_float_floorw_d(); |
5879 |
GEN_STORE_FTN_FREG(fd, WT2); |
5880 |
opn = "floor.w.d";
|
5881 |
break;
|
5882 |
case FOP(17, 17): |
5883 |
gen_load_gpr(cpu_T[0], ft);
|
5884 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5885 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5886 |
gen_movcf_d(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5887 |
GEN_STORE_FTN_FREG(fd, DT2); |
5888 |
opn = "movcf.d";
|
5889 |
break;
|
5890 |
case FOP(18, 17): |
5891 |
gen_load_gpr(cpu_T[0], ft);
|
5892 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5893 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5894 |
gen_op_float_movz_d(); |
5895 |
GEN_STORE_FTN_FREG(fd, DT2); |
5896 |
opn = "movz.d";
|
5897 |
break;
|
5898 |
case FOP(19, 17): |
5899 |
gen_load_gpr(cpu_T[0], ft);
|
5900 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5901 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5902 |
gen_op_float_movn_d(); |
5903 |
GEN_STORE_FTN_FREG(fd, DT2); |
5904 |
opn = "movn.d";
|
5905 |
break;
|
5906 |
case FOP(21, 17): |
5907 |
check_cp1_64bitmode(ctx); |
5908 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5909 |
gen_op_float_recip_d(); |
5910 |
GEN_STORE_FTN_FREG(fd, DT2); |
5911 |
opn = "recip.d";
|
5912 |
break;
|
5913 |
case FOP(22, 17): |
5914 |
check_cp1_64bitmode(ctx); |
5915 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5916 |
gen_op_float_rsqrt_d(); |
5917 |
GEN_STORE_FTN_FREG(fd, DT2); |
5918 |
opn = "rsqrt.d";
|
5919 |
break;
|
5920 |
case FOP(28, 17): |
5921 |
check_cp1_64bitmode(ctx); |
5922 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5923 |
GEN_LOAD_FREG_FTN(DT2, ft); |
5924 |
gen_op_float_recip2_d(); |
5925 |
GEN_STORE_FTN_FREG(fd, DT2); |
5926 |
opn = "recip2.d";
|
5927 |
break;
|
5928 |
case FOP(29, 17): |
5929 |
check_cp1_64bitmode(ctx); |
5930 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5931 |
gen_op_float_recip1_d(); |
5932 |
GEN_STORE_FTN_FREG(fd, DT2); |
5933 |
opn = "recip1.d";
|
5934 |
break;
|
5935 |
case FOP(30, 17): |
5936 |
check_cp1_64bitmode(ctx); |
5937 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5938 |
gen_op_float_rsqrt1_d(); |
5939 |
GEN_STORE_FTN_FREG(fd, DT2); |
5940 |
opn = "rsqrt1.d";
|
5941 |
break;
|
5942 |
case FOP(31, 17): |
5943 |
check_cp1_64bitmode(ctx); |
5944 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5945 |
GEN_LOAD_FREG_FTN(DT2, ft); |
5946 |
gen_op_float_rsqrt2_d(); |
5947 |
GEN_STORE_FTN_FREG(fd, DT2); |
5948 |
opn = "rsqrt2.d";
|
5949 |
break;
|
5950 |
case FOP(48, 17): |
5951 |
case FOP(49, 17): |
5952 |
case FOP(50, 17): |
5953 |
case FOP(51, 17): |
5954 |
case FOP(52, 17): |
5955 |
case FOP(53, 17): |
5956 |
case FOP(54, 17): |
5957 |
case FOP(55, 17): |
5958 |
case FOP(56, 17): |
5959 |
case FOP(57, 17): |
5960 |
case FOP(58, 17): |
5961 |
case FOP(59, 17): |
5962 |
case FOP(60, 17): |
5963 |
case FOP(61, 17): |
5964 |
case FOP(62, 17): |
5965 |
case FOP(63, 17): |
5966 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5967 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5968 |
if (ctx->opcode & (1 << 6)) { |
5969 |
check_cop1x(ctx); |
5970 |
check_cp1_registers(ctx, fs | ft); |
5971 |
gen_cmpabs_d(func-48, cc);
|
5972 |
opn = condnames_abs[func-48];
|
5973 |
} else {
|
5974 |
check_cp1_registers(ctx, fs | ft); |
5975 |
gen_cmp_d(func-48, cc);
|
5976 |
opn = condnames[func-48];
|
5977 |
} |
5978 |
break;
|
5979 |
case FOP(32, 17): |
5980 |
check_cp1_registers(ctx, fs); |
5981 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5982 |
gen_op_float_cvts_d(); |
5983 |
GEN_STORE_FTN_FREG(fd, WT2); |
5984 |
opn = "cvt.s.d";
|
5985 |
break;
|
5986 |
case FOP(36, 17): |
5987 |
check_cp1_registers(ctx, fs); |
5988 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5989 |
gen_op_float_cvtw_d(); |
5990 |
GEN_STORE_FTN_FREG(fd, WT2); |
5991 |
opn = "cvt.w.d";
|
5992 |
break;
|
5993 |
case FOP(37, 17): |
5994 |
check_cp1_64bitmode(ctx); |
5995 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5996 |
gen_op_float_cvtl_d(); |
5997 |
GEN_STORE_FTN_FREG(fd, DT2); |
5998 |
opn = "cvt.l.d";
|
5999 |
break;
|
6000 |
case FOP(32, 20): |
6001 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6002 |
gen_op_float_cvts_w(); |
6003 |
GEN_STORE_FTN_FREG(fd, WT2); |
6004 |
opn = "cvt.s.w";
|
6005 |
break;
|
6006 |
case FOP(33, 20): |
6007 |
check_cp1_registers(ctx, fd); |
6008 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6009 |
gen_op_float_cvtd_w(); |
6010 |
GEN_STORE_FTN_FREG(fd, DT2); |
6011 |
opn = "cvt.d.w";
|
6012 |
break;
|
6013 |
case FOP(32, 21): |
6014 |
check_cp1_64bitmode(ctx); |
6015 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6016 |
gen_op_float_cvts_l(); |
6017 |
GEN_STORE_FTN_FREG(fd, WT2); |
6018 |
opn = "cvt.s.l";
|
6019 |
break;
|
6020 |
case FOP(33, 21): |
6021 |
check_cp1_64bitmode(ctx); |
6022 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6023 |
gen_op_float_cvtd_l(); |
6024 |
GEN_STORE_FTN_FREG(fd, DT2); |
6025 |
opn = "cvt.d.l";
|
6026 |
break;
|
6027 |
case FOP(38, 20): |
6028 |
check_cp1_64bitmode(ctx); |
6029 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6030 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6031 |
gen_op_float_cvtps_pw(); |
6032 |
GEN_STORE_FTN_FREG(fd, WT2); |
6033 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6034 |
opn = "cvt.ps.pw";
|
6035 |
break;
|
6036 |
case FOP(0, 22): |
6037 |
check_cp1_64bitmode(ctx); |
6038 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6039 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6040 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6041 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6042 |
gen_op_float_add_ps(); |
6043 |
GEN_STORE_FTN_FREG(fd, WT2); |
6044 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6045 |
opn = "add.ps";
|
6046 |
break;
|
6047 |
case FOP(1, 22): |
6048 |
check_cp1_64bitmode(ctx); |
6049 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6050 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6051 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6052 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6053 |
gen_op_float_sub_ps(); |
6054 |
GEN_STORE_FTN_FREG(fd, WT2); |
6055 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6056 |
opn = "sub.ps";
|
6057 |
break;
|
6058 |
case FOP(2, 22): |
6059 |
check_cp1_64bitmode(ctx); |
6060 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6061 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6062 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6063 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6064 |
gen_op_float_mul_ps(); |
6065 |
GEN_STORE_FTN_FREG(fd, WT2); |
6066 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6067 |
opn = "mul.ps";
|
6068 |
break;
|
6069 |
case FOP(5, 22): |
6070 |
check_cp1_64bitmode(ctx); |
6071 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6072 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6073 |
gen_op_float_abs_ps(); |
6074 |
GEN_STORE_FTN_FREG(fd, WT2); |
6075 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6076 |
opn = "abs.ps";
|
6077 |
break;
|
6078 |
case FOP(6, 22): |
6079 |
check_cp1_64bitmode(ctx); |
6080 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6081 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6082 |
gen_op_float_mov_ps(); |
6083 |
GEN_STORE_FTN_FREG(fd, WT2); |
6084 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6085 |
opn = "mov.ps";
|
6086 |
break;
|
6087 |
case FOP(7, 22): |
6088 |
check_cp1_64bitmode(ctx); |
6089 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6090 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6091 |
gen_op_float_chs_ps(); |
6092 |
GEN_STORE_FTN_FREG(fd, WT2); |
6093 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6094 |
opn = "neg.ps";
|
6095 |
break;
|
6096 |
case FOP(17, 22): |
6097 |
check_cp1_64bitmode(ctx); |
6098 |
gen_load_gpr(cpu_T[0], ft);
|
6099 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6100 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6101 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6102 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6103 |
gen_movcf_ps(ctx, (ft >> 2) & 0x7, ft & 0x1); |
6104 |
GEN_STORE_FTN_FREG(fd, WT2); |
6105 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6106 |
opn = "movcf.ps";
|
6107 |
break;
|
6108 |
case FOP(18, 22): |
6109 |
check_cp1_64bitmode(ctx); |
6110 |
gen_load_gpr(cpu_T[0], ft);
|
6111 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6112 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6113 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6114 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6115 |
gen_op_float_movz_ps(); |
6116 |
GEN_STORE_FTN_FREG(fd, WT2); |
6117 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6118 |
opn = "movz.ps";
|
6119 |
break;
|
6120 |
case FOP(19, 22): |
6121 |
check_cp1_64bitmode(ctx); |
6122 |
gen_load_gpr(cpu_T[0], ft);
|
6123 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6124 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6125 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6126 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6127 |
gen_op_float_movn_ps(); |
6128 |
GEN_STORE_FTN_FREG(fd, WT2); |
6129 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6130 |
opn = "movn.ps";
|
6131 |
break;
|
6132 |
case FOP(24, 22): |
6133 |
check_cp1_64bitmode(ctx); |
6134 |
GEN_LOAD_FREG_FTN(WT0, ft); |
6135 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
6136 |
GEN_LOAD_FREG_FTN(WT1, fs); |
6137 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
6138 |
gen_op_float_addr_ps(); |
6139 |
GEN_STORE_FTN_FREG(fd, WT2); |
6140 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6141 |
opn = "addr.ps";
|
6142 |
break;
|
6143 |
case FOP(26, 22): |
6144 |
check_cp1_64bitmode(ctx); |
6145 |
GEN_LOAD_FREG_FTN(WT0, ft); |
6146 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
6147 |
GEN_LOAD_FREG_FTN(WT1, fs); |
6148 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
6149 |
gen_op_float_mulr_ps(); |
6150 |
GEN_STORE_FTN_FREG(fd, WT2); |
6151 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6152 |
opn = "mulr.ps";
|
6153 |
break;
|
6154 |
case FOP(28, 22): |
6155 |
check_cp1_64bitmode(ctx); |
6156 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6157 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6158 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6159 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6160 |
gen_op_float_recip2_ps(); |
6161 |
GEN_STORE_FTN_FREG(fd, WT2); |
6162 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6163 |
opn = "recip2.ps";
|
6164 |
break;
|
6165 |
case FOP(29, 22): |
6166 |
check_cp1_64bitmode(ctx); |
6167 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6168 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6169 |
gen_op_float_recip1_ps(); |
6170 |
GEN_STORE_FTN_FREG(fd, WT2); |
6171 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6172 |
opn = "recip1.ps";
|
6173 |
break;
|
6174 |
case FOP(30, 22): |
6175 |
check_cp1_64bitmode(ctx); |
6176 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6177 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6178 |
gen_op_float_rsqrt1_ps(); |
6179 |
GEN_STORE_FTN_FREG(fd, WT2); |
6180 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6181 |
opn = "rsqrt1.ps";
|
6182 |
break;
|
6183 |
case FOP(31, 22): |
6184 |
check_cp1_64bitmode(ctx); |
6185 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6186 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6187 |
GEN_LOAD_FREG_FTN(WT2, ft); |
6188 |
GEN_LOAD_FREG_FTN(WTH2, ft); |
6189 |
gen_op_float_rsqrt2_ps(); |
6190 |
GEN_STORE_FTN_FREG(fd, WT2); |
6191 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6192 |
opn = "rsqrt2.ps";
|
6193 |
break;
|
6194 |
case FOP(32, 22): |
6195 |
check_cp1_64bitmode(ctx); |
6196 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6197 |
gen_op_float_cvts_pu(); |
6198 |
GEN_STORE_FTN_FREG(fd, WT2); |
6199 |
opn = "cvt.s.pu";
|
6200 |
break;
|
6201 |
case FOP(36, 22): |
6202 |
check_cp1_64bitmode(ctx); |
6203 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6204 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6205 |
gen_op_float_cvtpw_ps(); |
6206 |
GEN_STORE_FTN_FREG(fd, WT2); |
6207 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6208 |
opn = "cvt.pw.ps";
|
6209 |
break;
|
6210 |
case FOP(40, 22): |
6211 |
check_cp1_64bitmode(ctx); |
6212 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6213 |
gen_op_float_cvts_pl(); |
6214 |
GEN_STORE_FTN_FREG(fd, WT2); |
6215 |
opn = "cvt.s.pl";
|
6216 |
break;
|
6217 |
case FOP(44, 22): |
6218 |
check_cp1_64bitmode(ctx); |
6219 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6220 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6221 |
gen_op_float_pll_ps(); |
6222 |
GEN_STORE_FTN_FREG(fd, DT2); |
6223 |
opn = "pll.ps";
|
6224 |
break;
|
6225 |
case FOP(45, 22): |
6226 |
check_cp1_64bitmode(ctx); |
6227 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6228 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6229 |
gen_op_float_plu_ps(); |
6230 |
GEN_STORE_FTN_FREG(fd, DT2); |
6231 |
opn = "plu.ps";
|
6232 |
break;
|
6233 |
case FOP(46, 22): |
6234 |
check_cp1_64bitmode(ctx); |
6235 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6236 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6237 |
gen_op_float_pul_ps(); |
6238 |
GEN_STORE_FTN_FREG(fd, DT2); |
6239 |
opn = "pul.ps";
|
6240 |
break;
|
6241 |
case FOP(47, 22): |
6242 |
check_cp1_64bitmode(ctx); |
6243 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6244 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6245 |
gen_op_float_puu_ps(); |
6246 |
GEN_STORE_FTN_FREG(fd, DT2); |
6247 |
opn = "puu.ps";
|
6248 |
break;
|
6249 |
case FOP(48, 22): |
6250 |
case FOP(49, 22): |
6251 |
case FOP(50, 22): |
6252 |
case FOP(51, 22): |
6253 |
case FOP(52, 22): |
6254 |
case FOP(53, 22): |
6255 |
case FOP(54, 22): |
6256 |
case FOP(55, 22): |
6257 |
case FOP(56, 22): |
6258 |
case FOP(57, 22): |
6259 |
case FOP(58, 22): |
6260 |
case FOP(59, 22): |
6261 |
case FOP(60, 22): |
6262 |
case FOP(61, 22): |
6263 |
case FOP(62, 22): |
6264 |
case FOP(63, 22): |
6265 |
check_cp1_64bitmode(ctx); |
6266 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6267 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6268 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6269 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6270 |
if (ctx->opcode & (1 << 6)) { |
6271 |
gen_cmpabs_ps(func-48, cc);
|
6272 |
opn = condnames_abs[func-48];
|
6273 |
} else {
|
6274 |
gen_cmp_ps(func-48, cc);
|
6275 |
opn = condnames[func-48];
|
6276 |
} |
6277 |
break;
|
6278 |
default:
|
6279 |
MIPS_INVAL(opn); |
6280 |
generate_exception (ctx, EXCP_RI); |
6281 |
return;
|
6282 |
} |
6283 |
switch (optype) {
|
6284 |
case BINOP:
|
6285 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
6286 |
break;
|
6287 |
case CMPOP:
|
6288 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
6289 |
break;
|
6290 |
default:
|
6291 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
6292 |
break;
|
6293 |
} |
6294 |
} |
6295 |
|
6296 |
/* Coprocessor 3 (FPU) */
|
6297 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
6298 |
int fd, int fs, int base, int index) |
6299 |
{ |
6300 |
const char *opn = "extended float load/store"; |
6301 |
int store = 0; |
6302 |
|
6303 |
if (base == 0) { |
6304 |
gen_load_gpr(cpu_T[0], index);
|
6305 |
} else if (index == 0) { |
6306 |
gen_load_gpr(cpu_T[0], base);
|
6307 |
} else {
|
6308 |
gen_load_gpr(cpu_T[0], base);
|
6309 |
gen_load_gpr(cpu_T[1], index);
|
6310 |
gen_op_addr_add(); |
6311 |
} |
6312 |
/* Don't do NOP if destination is zero: we must perform the actual
|
6313 |
memory access. */
|
6314 |
switch (opc) {
|
6315 |
case OPC_LWXC1:
|
6316 |
check_cop1x(ctx); |
6317 |
op_ldst_lwc1(ctx); |
6318 |
GEN_STORE_FTN_FREG(fd, WT0); |
6319 |
opn = "lwxc1";
|
6320 |
break;
|
6321 |
case OPC_LDXC1:
|
6322 |
check_cop1x(ctx); |
6323 |
check_cp1_registers(ctx, fd); |
6324 |
op_ldst_ldc1(ctx); |
6325 |
GEN_STORE_FTN_FREG(fd, DT0); |
6326 |
opn = "ldxc1";
|
6327 |
break;
|
6328 |
case OPC_LUXC1:
|
6329 |
check_cp1_64bitmode(ctx); |
6330 |
op_ldst(luxc1); |
6331 |
GEN_STORE_FTN_FREG(fd, DT0); |
6332 |
opn = "luxc1";
|
6333 |
break;
|
6334 |
case OPC_SWXC1:
|
6335 |
check_cop1x(ctx); |
6336 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6337 |
op_ldst_swc1(ctx); |
6338 |
opn = "swxc1";
|
6339 |
store = 1;
|
6340 |
break;
|
6341 |
case OPC_SDXC1:
|
6342 |
check_cop1x(ctx); |
6343 |
check_cp1_registers(ctx, fs); |
6344 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6345 |
op_ldst_sdc1(ctx); |
6346 |
opn = "sdxc1";
|
6347 |
store = 1;
|
6348 |
break;
|
6349 |
case OPC_SUXC1:
|
6350 |
check_cp1_64bitmode(ctx); |
6351 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6352 |
op_ldst(suxc1); |
6353 |
opn = "suxc1";
|
6354 |
store = 1;
|
6355 |
break;
|
6356 |
default:
|
6357 |
MIPS_INVAL(opn); |
6358 |
generate_exception(ctx, EXCP_RI); |
6359 |
return;
|
6360 |
} |
6361 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
6362 |
regnames[index], regnames[base]); |
6363 |
} |
6364 |
|
6365 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
6366 |
int fd, int fr, int fs, int ft) |
6367 |
{ |
6368 |
const char *opn = "flt3_arith"; |
6369 |
|
6370 |
switch (opc) {
|
6371 |
case OPC_ALNV_PS:
|
6372 |
check_cp1_64bitmode(ctx); |
6373 |
gen_load_gpr(cpu_T[0], fr);
|
6374 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6375 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6376 |
gen_op_float_alnv_ps(); |
6377 |
GEN_STORE_FTN_FREG(fd, DT2); |
6378 |
opn = "alnv.ps";
|
6379 |
break;
|
6380 |
case OPC_MADD_S:
|
6381 |
check_cop1x(ctx); |
6382 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6383 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6384 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6385 |
gen_op_float_muladd_s(); |
6386 |
GEN_STORE_FTN_FREG(fd, WT2); |
6387 |
opn = "madd.s";
|
6388 |
break;
|
6389 |
case OPC_MADD_D:
|
6390 |
check_cop1x(ctx); |
6391 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6392 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6393 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6394 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6395 |
gen_op_float_muladd_d(); |
6396 |
GEN_STORE_FTN_FREG(fd, DT2); |
6397 |
opn = "madd.d";
|
6398 |
break;
|
6399 |
case OPC_MADD_PS:
|
6400 |
check_cp1_64bitmode(ctx); |
6401 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6402 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6403 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6404 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6405 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6406 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6407 |
gen_op_float_muladd_ps(); |
6408 |
GEN_STORE_FTN_FREG(fd, WT2); |
6409 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6410 |
opn = "madd.ps";
|
6411 |
break;
|
6412 |
case OPC_MSUB_S:
|
6413 |
check_cop1x(ctx); |
6414 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6415 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6416 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6417 |
gen_op_float_mulsub_s(); |
6418 |
GEN_STORE_FTN_FREG(fd, WT2); |
6419 |
opn = "msub.s";
|
6420 |
break;
|
6421 |
case OPC_MSUB_D:
|
6422 |
check_cop1x(ctx); |
6423 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6424 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6425 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6426 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6427 |
gen_op_float_mulsub_d(); |
6428 |
GEN_STORE_FTN_FREG(fd, DT2); |
6429 |
opn = "msub.d";
|
6430 |
break;
|
6431 |
case OPC_MSUB_PS:
|
6432 |
check_cp1_64bitmode(ctx); |
6433 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6434 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6435 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6436 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6437 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6438 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6439 |
gen_op_float_mulsub_ps(); |
6440 |
GEN_STORE_FTN_FREG(fd, WT2); |
6441 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6442 |
opn = "msub.ps";
|
6443 |
break;
|
6444 |
case OPC_NMADD_S:
|
6445 |
check_cop1x(ctx); |
6446 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6447 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6448 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6449 |
gen_op_float_nmuladd_s(); |
6450 |
GEN_STORE_FTN_FREG(fd, WT2); |
6451 |
opn = "nmadd.s";
|
6452 |
break;
|
6453 |
case OPC_NMADD_D:
|
6454 |
check_cop1x(ctx); |
6455 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6456 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6457 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6458 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6459 |
gen_op_float_nmuladd_d(); |
6460 |
GEN_STORE_FTN_FREG(fd, DT2); |
6461 |
opn = "nmadd.d";
|
6462 |
break;
|
6463 |
case OPC_NMADD_PS:
|
6464 |
check_cp1_64bitmode(ctx); |
6465 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6466 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6467 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6468 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6469 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6470 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6471 |
gen_op_float_nmuladd_ps(); |
6472 |
GEN_STORE_FTN_FREG(fd, WT2); |
6473 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6474 |
opn = "nmadd.ps";
|
6475 |
break;
|
6476 |
case OPC_NMSUB_S:
|
6477 |
check_cop1x(ctx); |
6478 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6479 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6480 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6481 |
gen_op_float_nmulsub_s(); |
6482 |
GEN_STORE_FTN_FREG(fd, WT2); |
6483 |
opn = "nmsub.s";
|
6484 |
break;
|
6485 |
case OPC_NMSUB_D:
|
6486 |
check_cop1x(ctx); |
6487 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6488 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6489 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6490 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6491 |
gen_op_float_nmulsub_d(); |
6492 |
GEN_STORE_FTN_FREG(fd, DT2); |
6493 |
opn = "nmsub.d";
|
6494 |
break;
|
6495 |
case OPC_NMSUB_PS:
|
6496 |
check_cp1_64bitmode(ctx); |
6497 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6498 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6499 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6500 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6501 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6502 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6503 |
gen_op_float_nmulsub_ps(); |
6504 |
GEN_STORE_FTN_FREG(fd, WT2); |
6505 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6506 |
opn = "nmsub.ps";
|
6507 |
break;
|
6508 |
default:
|
6509 |
MIPS_INVAL(opn); |
6510 |
generate_exception (ctx, EXCP_RI); |
6511 |
return;
|
6512 |
} |
6513 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
6514 |
fregnames[fs], fregnames[ft]); |
6515 |
} |
6516 |
|
6517 |
/* ISA extensions (ASEs) */
|
6518 |
/* MIPS16 extension to MIPS32 */
|
6519 |
/* SmartMIPS extension to MIPS32 */
|
6520 |
|
6521 |
#if defined(TARGET_MIPS64)
|
6522 |
|
6523 |
/* MDMX extension to MIPS64 */
|
6524 |
|
6525 |
#endif
|
6526 |
|
6527 |
static void decode_opc (CPUState *env, DisasContext *ctx) |
6528 |
{ |
6529 |
int32_t offset; |
6530 |
int rs, rt, rd, sa;
|
6531 |
uint32_t op, op1, op2; |
6532 |
int16_t imm; |
6533 |
|
6534 |
/* make sure instructions are on a word boundary */
|
6535 |
if (ctx->pc & 0x3) { |
6536 |
env->CP0_BadVAddr = ctx->pc; |
6537 |
generate_exception(ctx, EXCP_AdEL); |
6538 |
return;
|
6539 |
} |
6540 |
|
6541 |
/* Handle blikely not taken case */
|
6542 |
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
|
6543 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
6544 |
int l1 = gen_new_label();
|
6545 |
|
6546 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
6547 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, bcond)); |
6548 |
tcg_gen_brcond_tl(TCG_COND_NE, r_tmp, tcg_const_tl(0), l1);
|
6549 |
gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK); |
6550 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
6551 |
gen_set_label(l1); |
6552 |
} |
6553 |
op = MASK_OP_MAJOR(ctx->opcode); |
6554 |
rs = (ctx->opcode >> 21) & 0x1f; |
6555 |
rt = (ctx->opcode >> 16) & 0x1f; |
6556 |
rd = (ctx->opcode >> 11) & 0x1f; |
6557 |
sa = (ctx->opcode >> 6) & 0x1f; |
6558 |
imm = (int16_t)ctx->opcode; |
6559 |
switch (op) {
|
6560 |
case OPC_SPECIAL:
|
6561 |
op1 = MASK_SPECIAL(ctx->opcode); |
6562 |
switch (op1) {
|
6563 |
case OPC_SLL: /* Arithmetic with immediate */ |
6564 |
case OPC_SRL ... OPC_SRA:
|
6565 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
6566 |
break;
|
6567 |
case OPC_MOVZ ... OPC_MOVN:
|
6568 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6569 |
case OPC_SLLV: /* Arithmetic */ |
6570 |
case OPC_SRLV ... OPC_SRAV:
|
6571 |
case OPC_ADD ... OPC_NOR:
|
6572 |
case OPC_SLT ... OPC_SLTU:
|
6573 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6574 |
break;
|
6575 |
case OPC_MULT ... OPC_DIVU:
|
6576 |
if (sa) {
|
6577 |
check_insn(env, ctx, INSN_VR54XX); |
6578 |
op1 = MASK_MUL_VR54XX(ctx->opcode); |
6579 |
gen_mul_vr54xx(ctx, op1, rd, rs, rt); |
6580 |
} else
|
6581 |
gen_muldiv(ctx, op1, rs, rt); |
6582 |
break;
|
6583 |
case OPC_JR ... OPC_JALR:
|
6584 |
gen_compute_branch(ctx, op1, rs, rd, sa); |
6585 |
return;
|
6586 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
6587 |
case OPC_TNE:
|
6588 |
gen_trap(ctx, op1, rs, rt, -1);
|
6589 |
break;
|
6590 |
case OPC_MFHI: /* Move from HI/LO */ |
6591 |
case OPC_MFLO:
|
6592 |
gen_HILO(ctx, op1, rd); |
6593 |
break;
|
6594 |
case OPC_MTHI:
|
6595 |
case OPC_MTLO: /* Move to HI/LO */ |
6596 |
gen_HILO(ctx, op1, rs); |
6597 |
break;
|
6598 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
6599 |
#ifdef MIPS_STRICT_STANDARD
|
6600 |
MIPS_INVAL("PMON / selsl");
|
6601 |
generate_exception(ctx, EXCP_RI); |
6602 |
#else
|
6603 |
gen_op_pmon(sa); |
6604 |
#endif
|
6605 |
break;
|
6606 |
case OPC_SYSCALL:
|
6607 |
generate_exception(ctx, EXCP_SYSCALL); |
6608 |
break;
|
6609 |
case OPC_BREAK:
|
6610 |
generate_exception(ctx, EXCP_BREAK); |
6611 |
break;
|
6612 |
case OPC_SPIM:
|
6613 |
#ifdef MIPS_STRICT_STANDARD
|
6614 |
MIPS_INVAL("SPIM");
|
6615 |
generate_exception(ctx, EXCP_RI); |
6616 |
#else
|
6617 |
/* Implemented as RI exception for now. */
|
6618 |
MIPS_INVAL("spim (unofficial)");
|
6619 |
generate_exception(ctx, EXCP_RI); |
6620 |
#endif
|
6621 |
break;
|
6622 |
case OPC_SYNC:
|
6623 |
/* Treat as NOP. */
|
6624 |
break;
|
6625 |
|
6626 |
case OPC_MOVCI:
|
6627 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6628 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6629 |
save_cpu_state(ctx, 1);
|
6630 |
check_cp1_enabled(ctx); |
6631 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
6632 |
(ctx->opcode >> 16) & 1); |
6633 |
} else {
|
6634 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6635 |
} |
6636 |
break;
|
6637 |
|
6638 |
#if defined(TARGET_MIPS64)
|
6639 |
/* MIPS64 specific opcodes */
|
6640 |
case OPC_DSLL:
|
6641 |
case OPC_DSRL ... OPC_DSRA:
|
6642 |
case OPC_DSLL32:
|
6643 |
case OPC_DSRL32 ... OPC_DSRA32:
|
6644 |
check_insn(env, ctx, ISA_MIPS3); |
6645 |
check_mips_64(ctx); |
6646 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
6647 |
break;
|
6648 |
case OPC_DSLLV:
|
6649 |
case OPC_DSRLV ... OPC_DSRAV:
|
6650 |
case OPC_DADD ... OPC_DSUBU:
|
6651 |
check_insn(env, ctx, ISA_MIPS3); |
6652 |
check_mips_64(ctx); |
6653 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6654 |
break;
|
6655 |
case OPC_DMULT ... OPC_DDIVU:
|
6656 |
check_insn(env, ctx, ISA_MIPS3); |
6657 |
check_mips_64(ctx); |
6658 |
gen_muldiv(ctx, op1, rs, rt); |
6659 |
break;
|
6660 |
#endif
|
6661 |
default: /* Invalid */ |
6662 |
MIPS_INVAL("special");
|
6663 |
generate_exception(ctx, EXCP_RI); |
6664 |
break;
|
6665 |
} |
6666 |
break;
|
6667 |
case OPC_SPECIAL2:
|
6668 |
op1 = MASK_SPECIAL2(ctx->opcode); |
6669 |
switch (op1) {
|
6670 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
6671 |
case OPC_MSUB ... OPC_MSUBU:
|
6672 |
check_insn(env, ctx, ISA_MIPS32); |
6673 |
gen_muldiv(ctx, op1, rs, rt); |
6674 |
break;
|
6675 |
case OPC_MUL:
|
6676 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6677 |
break;
|
6678 |
case OPC_CLZ ... OPC_CLO:
|
6679 |
check_insn(env, ctx, ISA_MIPS32); |
6680 |
gen_cl(ctx, op1, rd, rs); |
6681 |
break;
|
6682 |
case OPC_SDBBP:
|
6683 |
/* XXX: not clear which exception should be raised
|
6684 |
* when in debug mode...
|
6685 |
*/
|
6686 |
check_insn(env, ctx, ISA_MIPS32); |
6687 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
6688 |
generate_exception(ctx, EXCP_DBp); |
6689 |
} else {
|
6690 |
generate_exception(ctx, EXCP_DBp); |
6691 |
} |
6692 |
/* Treat as NOP. */
|
6693 |
break;
|
6694 |
#if defined(TARGET_MIPS64)
|
6695 |
case OPC_DCLZ ... OPC_DCLO:
|
6696 |
check_insn(env, ctx, ISA_MIPS64); |
6697 |
check_mips_64(ctx); |
6698 |
gen_cl(ctx, op1, rd, rs); |
6699 |
break;
|
6700 |
#endif
|
6701 |
default: /* Invalid */ |
6702 |
MIPS_INVAL("special2");
|
6703 |
generate_exception(ctx, EXCP_RI); |
6704 |
break;
|
6705 |
} |
6706 |
break;
|
6707 |
case OPC_SPECIAL3:
|
6708 |
op1 = MASK_SPECIAL3(ctx->opcode); |
6709 |
switch (op1) {
|
6710 |
case OPC_EXT:
|
6711 |
case OPC_INS:
|
6712 |
check_insn(env, ctx, ISA_MIPS32R2); |
6713 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
6714 |
break;
|
6715 |
case OPC_BSHFL:
|
6716 |
check_insn(env, ctx, ISA_MIPS32R2); |
6717 |
op2 = MASK_BSHFL(ctx->opcode); |
6718 |
switch (op2) {
|
6719 |
case OPC_WSBH:
|
6720 |
gen_load_gpr(cpu_T[1], rt);
|
6721 |
gen_op_wsbh(); |
6722 |
break;
|
6723 |
case OPC_SEB:
|
6724 |
gen_load_gpr(cpu_T[1], rt);
|
6725 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[1]); |
6726 |
break;
|
6727 |
case OPC_SEH:
|
6728 |
gen_load_gpr(cpu_T[1], rt);
|
6729 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[1]); |
6730 |
break;
|
6731 |
default: /* Invalid */ |
6732 |
MIPS_INVAL("bshfl");
|
6733 |
generate_exception(ctx, EXCP_RI); |
6734 |
break;
|
6735 |
} |
6736 |
gen_store_gpr(cpu_T[0], rd);
|
6737 |
break;
|
6738 |
case OPC_RDHWR:
|
6739 |
check_insn(env, ctx, ISA_MIPS32R2); |
6740 |
switch (rd) {
|
6741 |
case 0: |
6742 |
save_cpu_state(ctx, 1);
|
6743 |
gen_op_rdhwr_cpunum(); |
6744 |
break;
|
6745 |
case 1: |
6746 |
save_cpu_state(ctx, 1);
|
6747 |
gen_op_rdhwr_synci_step(); |
6748 |
break;
|
6749 |
case 2: |
6750 |
save_cpu_state(ctx, 1);
|
6751 |
gen_op_rdhwr_cc(); |
6752 |
break;
|
6753 |
case 3: |
6754 |
save_cpu_state(ctx, 1);
|
6755 |
gen_op_rdhwr_ccres(); |
6756 |
break;
|
6757 |
case 29: |
6758 |
#if defined (CONFIG_USER_ONLY)
|
6759 |
gen_op_tls_value(); |
6760 |
break;
|
6761 |
#endif
|
6762 |
default: /* Invalid */ |
6763 |
MIPS_INVAL("rdhwr");
|
6764 |
generate_exception(ctx, EXCP_RI); |
6765 |
break;
|
6766 |
} |
6767 |
gen_store_gpr(cpu_T[0], rt);
|
6768 |
break;
|
6769 |
case OPC_FORK:
|
6770 |
check_insn(env, ctx, ASE_MT); |
6771 |
gen_load_gpr(cpu_T[0], rt);
|
6772 |
gen_load_gpr(cpu_T[1], rs);
|
6773 |
gen_op_fork(); |
6774 |
break;
|
6775 |
case OPC_YIELD:
|
6776 |
check_insn(env, ctx, ASE_MT); |
6777 |
gen_load_gpr(cpu_T[0], rs);
|
6778 |
gen_op_yield(); |
6779 |
gen_store_gpr(cpu_T[0], rd);
|
6780 |
break;
|
6781 |
#if defined(TARGET_MIPS64)
|
6782 |
case OPC_DEXTM ... OPC_DEXT:
|
6783 |
case OPC_DINSM ... OPC_DINS:
|
6784 |
check_insn(env, ctx, ISA_MIPS64R2); |
6785 |
check_mips_64(ctx); |
6786 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
6787 |
break;
|
6788 |
case OPC_DBSHFL:
|
6789 |
check_insn(env, ctx, ISA_MIPS64R2); |
6790 |
check_mips_64(ctx); |
6791 |
op2 = MASK_DBSHFL(ctx->opcode); |
6792 |
switch (op2) {
|
6793 |
case OPC_DSBH:
|
6794 |
gen_load_gpr(cpu_T[1], rt);
|
6795 |
gen_op_dsbh(); |
6796 |
break;
|
6797 |
case OPC_DSHD:
|
6798 |
gen_load_gpr(cpu_T[1], rt);
|
6799 |
gen_op_dshd(); |
6800 |
break;
|
6801 |
default: /* Invalid */ |
6802 |
MIPS_INVAL("dbshfl");
|
6803 |
generate_exception(ctx, EXCP_RI); |
6804 |
break;
|
6805 |
} |
6806 |
gen_store_gpr(cpu_T[0], rd);
|
6807 |
break;
|
6808 |
#endif
|
6809 |
default: /* Invalid */ |
6810 |
MIPS_INVAL("special3");
|
6811 |
generate_exception(ctx, EXCP_RI); |
6812 |
break;
|
6813 |
} |
6814 |
break;
|
6815 |
case OPC_REGIMM:
|
6816 |
op1 = MASK_REGIMM(ctx->opcode); |
6817 |
switch (op1) {
|
6818 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
6819 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
6820 |
gen_compute_branch(ctx, op1, rs, -1, imm << 2); |
6821 |
return;
|
6822 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
6823 |
case OPC_TNEI:
|
6824 |
gen_trap(ctx, op1, rs, -1, imm);
|
6825 |
break;
|
6826 |
case OPC_SYNCI:
|
6827 |
check_insn(env, ctx, ISA_MIPS32R2); |
6828 |
/* Treat as NOP. */
|
6829 |
break;
|
6830 |
default: /* Invalid */ |
6831 |
MIPS_INVAL("regimm");
|
6832 |
generate_exception(ctx, EXCP_RI); |
6833 |
break;
|
6834 |
} |
6835 |
break;
|
6836 |
case OPC_CP0:
|
6837 |
check_cp0_enabled(ctx); |
6838 |
op1 = MASK_CP0(ctx->opcode); |
6839 |
switch (op1) {
|
6840 |
case OPC_MFC0:
|
6841 |
case OPC_MTC0:
|
6842 |
case OPC_MFTR:
|
6843 |
case OPC_MTTR:
|
6844 |
#if defined(TARGET_MIPS64)
|
6845 |
case OPC_DMFC0:
|
6846 |
case OPC_DMTC0:
|
6847 |
#endif
|
6848 |
gen_cp0(env, ctx, op1, rt, rd); |
6849 |
break;
|
6850 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
6851 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
6852 |
break;
|
6853 |
case OPC_MFMC0:
|
6854 |
op2 = MASK_MFMC0(ctx->opcode); |
6855 |
switch (op2) {
|
6856 |
case OPC_DMT:
|
6857 |
check_insn(env, ctx, ASE_MT); |
6858 |
gen_op_dmt(); |
6859 |
break;
|
6860 |
case OPC_EMT:
|
6861 |
check_insn(env, ctx, ASE_MT); |
6862 |
gen_op_emt(); |
6863 |
break;
|
6864 |
case OPC_DVPE:
|
6865 |
check_insn(env, ctx, ASE_MT); |
6866 |
gen_op_dvpe(); |
6867 |
break;
|
6868 |
case OPC_EVPE:
|
6869 |
check_insn(env, ctx, ASE_MT); |
6870 |
gen_op_evpe(); |
6871 |
break;
|
6872 |
case OPC_DI:
|
6873 |
check_insn(env, ctx, ISA_MIPS32R2); |
6874 |
save_cpu_state(ctx, 1);
|
6875 |
gen_op_di(); |
6876 |
/* Stop translation as we may have switched the execution mode */
|
6877 |
ctx->bstate = BS_STOP; |
6878 |
break;
|
6879 |
case OPC_EI:
|
6880 |
check_insn(env, ctx, ISA_MIPS32R2); |
6881 |
save_cpu_state(ctx, 1);
|
6882 |
gen_op_ei(); |
6883 |
/* Stop translation as we may have switched the execution mode */
|
6884 |
ctx->bstate = BS_STOP; |
6885 |
break;
|
6886 |
default: /* Invalid */ |
6887 |
MIPS_INVAL("mfmc0");
|
6888 |
generate_exception(ctx, EXCP_RI); |
6889 |
break;
|
6890 |
} |
6891 |
gen_store_gpr(cpu_T[0], rt);
|
6892 |
break;
|
6893 |
case OPC_RDPGPR:
|
6894 |
check_insn(env, ctx, ISA_MIPS32R2); |
6895 |
gen_load_srsgpr(cpu_T[0], rt);
|
6896 |
gen_store_gpr(cpu_T[0], rd);
|
6897 |
break;
|
6898 |
case OPC_WRPGPR:
|
6899 |
check_insn(env, ctx, ISA_MIPS32R2); |
6900 |
gen_load_gpr(cpu_T[0], rt);
|
6901 |
gen_store_srsgpr(cpu_T[0], rd);
|
6902 |
break;
|
6903 |
default:
|
6904 |
MIPS_INVAL("cp0");
|
6905 |
generate_exception(ctx, EXCP_RI); |
6906 |
break;
|
6907 |
} |
6908 |
break;
|
6909 |
case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */ |
6910 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
6911 |
break;
|
6912 |
case OPC_J ... OPC_JAL: /* Jump */ |
6913 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
6914 |
gen_compute_branch(ctx, op, rs, rt, offset); |
6915 |
return;
|
6916 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
6917 |
case OPC_BEQL ... OPC_BGTZL:
|
6918 |
gen_compute_branch(ctx, op, rs, rt, imm << 2);
|
6919 |
return;
|
6920 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
6921 |
case OPC_SB ... OPC_SW:
|
6922 |
case OPC_SWR:
|
6923 |
case OPC_LL:
|
6924 |
case OPC_SC:
|
6925 |
gen_ldst(ctx, op, rt, rs, imm); |
6926 |
break;
|
6927 |
case OPC_CACHE:
|
6928 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
6929 |
/* Treat as NOP. */
|
6930 |
break;
|
6931 |
case OPC_PREF:
|
6932 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6933 |
/* Treat as NOP. */
|
6934 |
break;
|
6935 |
|
6936 |
/* Floating point (COP1). */
|
6937 |
case OPC_LWC1:
|
6938 |
case OPC_LDC1:
|
6939 |
case OPC_SWC1:
|
6940 |
case OPC_SDC1:
|
6941 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6942 |
save_cpu_state(ctx, 1);
|
6943 |
check_cp1_enabled(ctx); |
6944 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
6945 |
} else {
|
6946 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6947 |
} |
6948 |
break;
|
6949 |
|
6950 |
case OPC_CP1:
|
6951 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6952 |
save_cpu_state(ctx, 1);
|
6953 |
check_cp1_enabled(ctx); |
6954 |
op1 = MASK_CP1(ctx->opcode); |
6955 |
switch (op1) {
|
6956 |
case OPC_MFHC1:
|
6957 |
case OPC_MTHC1:
|
6958 |
check_insn(env, ctx, ISA_MIPS32R2); |
6959 |
case OPC_MFC1:
|
6960 |
case OPC_CFC1:
|
6961 |
case OPC_MTC1:
|
6962 |
case OPC_CTC1:
|
6963 |
gen_cp1(ctx, op1, rt, rd); |
6964 |
break;
|
6965 |
#if defined(TARGET_MIPS64)
|
6966 |
case OPC_DMFC1:
|
6967 |
case OPC_DMTC1:
|
6968 |
check_insn(env, ctx, ISA_MIPS3); |
6969 |
gen_cp1(ctx, op1, rt, rd); |
6970 |
break;
|
6971 |
#endif
|
6972 |
case OPC_BC1ANY2:
|
6973 |
case OPC_BC1ANY4:
|
6974 |
check_cop1x(ctx); |
6975 |
check_insn(env, ctx, ASE_MIPS3D); |
6976 |
/* fall through */
|
6977 |
case OPC_BC1:
|
6978 |
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
6979 |
(rt >> 2) & 0x7, imm << 2); |
6980 |
return;
|
6981 |
case OPC_S_FMT:
|
6982 |
case OPC_D_FMT:
|
6983 |
case OPC_W_FMT:
|
6984 |
case OPC_L_FMT:
|
6985 |
case OPC_PS_FMT:
|
6986 |
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, |
6987 |
(imm >> 8) & 0x7); |
6988 |
break;
|
6989 |
default:
|
6990 |
MIPS_INVAL("cp1");
|
6991 |
generate_exception (ctx, EXCP_RI); |
6992 |
break;
|
6993 |
} |
6994 |
} else {
|
6995 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6996 |
} |
6997 |
break;
|
6998 |
|
6999 |
/* COP2. */
|
7000 |
case OPC_LWC2:
|
7001 |
case OPC_LDC2:
|
7002 |
case OPC_SWC2:
|
7003 |
case OPC_SDC2:
|
7004 |
case OPC_CP2:
|
7005 |
/* COP2: Not implemented. */
|
7006 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
7007 |
break;
|
7008 |
|
7009 |
case OPC_CP3:
|
7010 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
7011 |
save_cpu_state(ctx, 1);
|
7012 |
check_cp1_enabled(ctx); |
7013 |
op1 = MASK_CP3(ctx->opcode); |
7014 |
switch (op1) {
|
7015 |
case OPC_LWXC1:
|
7016 |
case OPC_LDXC1:
|
7017 |
case OPC_LUXC1:
|
7018 |
case OPC_SWXC1:
|
7019 |
case OPC_SDXC1:
|
7020 |
case OPC_SUXC1:
|
7021 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
7022 |
break;
|
7023 |
case OPC_PREFX:
|
7024 |
/* Treat as NOP. */
|
7025 |
break;
|
7026 |
case OPC_ALNV_PS:
|
7027 |
case OPC_MADD_S:
|
7028 |
case OPC_MADD_D:
|
7029 |
case OPC_MADD_PS:
|
7030 |
case OPC_MSUB_S:
|
7031 |
case OPC_MSUB_D:
|
7032 |
case OPC_MSUB_PS:
|
7033 |
case OPC_NMADD_S:
|
7034 |
case OPC_NMADD_D:
|
7035 |
case OPC_NMADD_PS:
|
7036 |
case OPC_NMSUB_S:
|
7037 |
case OPC_NMSUB_D:
|
7038 |
case OPC_NMSUB_PS:
|
7039 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
7040 |
break;
|
7041 |
default:
|
7042 |
MIPS_INVAL("cp3");
|
7043 |
generate_exception (ctx, EXCP_RI); |
7044 |
break;
|
7045 |
} |
7046 |
} else {
|
7047 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
7048 |
} |
7049 |
break;
|
7050 |
|
7051 |
#if defined(TARGET_MIPS64)
|
7052 |
/* MIPS64 opcodes */
|
7053 |
case OPC_LWU:
|
7054 |
case OPC_LDL ... OPC_LDR:
|
7055 |
case OPC_SDL ... OPC_SDR:
|
7056 |
case OPC_LLD:
|
7057 |
case OPC_LD:
|
7058 |
case OPC_SCD:
|
7059 |
case OPC_SD:
|
7060 |
check_insn(env, ctx, ISA_MIPS3); |
7061 |
check_mips_64(ctx); |
7062 |
gen_ldst(ctx, op, rt, rs, imm); |
7063 |
break;
|
7064 |
case OPC_DADDI ... OPC_DADDIU:
|
7065 |
check_insn(env, ctx, ISA_MIPS3); |
7066 |
check_mips_64(ctx); |
7067 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
7068 |
break;
|
7069 |
#endif
|
7070 |
case OPC_JALX:
|
7071 |
check_insn(env, ctx, ASE_MIPS16); |
7072 |
/* MIPS16: Not implemented. */
|
7073 |
case OPC_MDMX:
|
7074 |
check_insn(env, ctx, ASE_MDMX); |
7075 |
/* MDMX: Not implemented. */
|
7076 |
default: /* Invalid */ |
7077 |
MIPS_INVAL("major opcode");
|
7078 |
generate_exception(ctx, EXCP_RI); |
7079 |
break;
|
7080 |
} |
7081 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
7082 |
int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
7083 |
/* Branches completion */
|
7084 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
7085 |
ctx->bstate = BS_BRANCH; |
7086 |
save_cpu_state(ctx, 0);
|
7087 |
switch (hflags) {
|
7088 |
case MIPS_HFLAG_B:
|
7089 |
/* unconditional branch */
|
7090 |
MIPS_DEBUG("unconditional branch");
|
7091 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
7092 |
break;
|
7093 |
case MIPS_HFLAG_BL:
|
7094 |
/* blikely taken case */
|
7095 |
MIPS_DEBUG("blikely branch taken");
|
7096 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
7097 |
break;
|
7098 |
case MIPS_HFLAG_BC:
|
7099 |
/* Conditional branch */
|
7100 |
MIPS_DEBUG("conditional branch");
|
7101 |
{ |
7102 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
7103 |
int l1 = gen_new_label();
|
7104 |
|
7105 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, bcond)); |
7106 |
tcg_gen_brcond_tl(TCG_COND_NE, r_tmp, tcg_const_tl(0), l1);
|
7107 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
7108 |
gen_set_label(l1); |
7109 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
7110 |
} |
7111 |
break;
|
7112 |
case MIPS_HFLAG_BR:
|
7113 |
/* unconditional branch to register */
|
7114 |
MIPS_DEBUG("branch to register");
|
7115 |
gen_breg_pc(); |
7116 |
tcg_gen_exit_tb(0);
|
7117 |
break;
|
7118 |
default:
|
7119 |
MIPS_DEBUG("unknown branch");
|
7120 |
break;
|
7121 |
} |
7122 |
} |
7123 |
} |
7124 |
|
7125 |
static always_inline int |
7126 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
7127 |
int search_pc)
|
7128 |
{ |
7129 |
DisasContext ctx; |
7130 |
target_ulong pc_start; |
7131 |
uint16_t *gen_opc_end; |
7132 |
int j, lj = -1; |
7133 |
|
7134 |
if (search_pc && loglevel)
|
7135 |
fprintf (logfile, "search pc %d\n", search_pc);
|
7136 |
|
7137 |
num_temps = 0;
|
7138 |
memset(temps, 0, sizeof(temps)); |
7139 |
|
7140 |
num_temps = 0;
|
7141 |
memset(temps, 0, sizeof(temps)); |
7142 |
|
7143 |
pc_start = tb->pc; |
7144 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
7145 |
ctx.pc = pc_start; |
7146 |
ctx.saved_pc = -1;
|
7147 |
ctx.tb = tb; |
7148 |
ctx.bstate = BS_NONE; |
7149 |
/* Restore delay slot state from the tb context. */
|
7150 |
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
|
7151 |
restore_cpu_state(env, &ctx); |
7152 |
#if defined(CONFIG_USER_ONLY)
|
7153 |
ctx.mem_idx = MIPS_HFLAG_UM; |
7154 |
#else
|
7155 |
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
7156 |
#endif
|
7157 |
#ifdef DEBUG_DISAS
|
7158 |
if (loglevel & CPU_LOG_TB_CPU) {
|
7159 |
fprintf(logfile, "------------------------------------------------\n");
|
7160 |
/* FIXME: This may print out stale hflags from env... */
|
7161 |
cpu_dump_state(env, logfile, fprintf, 0);
|
7162 |
} |
7163 |
#endif
|
7164 |
#ifdef MIPS_DEBUG_DISAS
|
7165 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
7166 |
fprintf(logfile, "\ntb %p idx %d hflags %04x\n",
|
7167 |
tb, ctx.mem_idx, ctx.hflags); |
7168 |
#endif
|
7169 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
7170 |
if (env->nb_breakpoints > 0) { |
7171 |
for(j = 0; j < env->nb_breakpoints; j++) { |
7172 |
if (env->breakpoints[j] == ctx.pc) {
|
7173 |
save_cpu_state(&ctx, 1);
|
7174 |
ctx.bstate = BS_BRANCH; |
7175 |
gen_op_debug(); |
7176 |
/* Include the breakpoint location or the tb won't
|
7177 |
* be flushed when it must be. */
|
7178 |
ctx.pc += 4;
|
7179 |
goto done_generating;
|
7180 |
} |
7181 |
} |
7182 |
} |
7183 |
|
7184 |
if (search_pc) {
|
7185 |
j = gen_opc_ptr - gen_opc_buf; |
7186 |
if (lj < j) {
|
7187 |
lj++; |
7188 |
while (lj < j)
|
7189 |
gen_opc_instr_start[lj++] = 0;
|
7190 |
} |
7191 |
gen_opc_pc[lj] = ctx.pc; |
7192 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
7193 |
gen_opc_instr_start[lj] = 1;
|
7194 |
} |
7195 |
ctx.opcode = ldl_code(ctx.pc); |
7196 |
decode_opc(env, &ctx); |
7197 |
if (num_temps) {
|
7198 |
fprintf(stderr, |
7199 |
"Internal resource leak before " TARGET_FMT_lx "\n", |
7200 |
ctx.pc); |
7201 |
num_temps = 0;
|
7202 |
} |
7203 |
ctx.pc += 4;
|
7204 |
|
7205 |
if (env->singlestep_enabled)
|
7206 |
break;
|
7207 |
|
7208 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
7209 |
break;
|
7210 |
|
7211 |
#if defined (MIPS_SINGLE_STEP)
|
7212 |
break;
|
7213 |
#endif
|
7214 |
} |
7215 |
if (env->singlestep_enabled) {
|
7216 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
7217 |
gen_op_debug(); |
7218 |
} else {
|
7219 |
switch (ctx.bstate) {
|
7220 |
case BS_STOP:
|
7221 |
tcg_gen_helper_0_0(do_interrupt_restart); |
7222 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
7223 |
break;
|
7224 |
case BS_NONE:
|
7225 |
save_cpu_state(&ctx, 0);
|
7226 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
7227 |
break;
|
7228 |
case BS_EXCP:
|
7229 |
tcg_gen_helper_0_0(do_interrupt_restart); |
7230 |
tcg_gen_exit_tb(0);
|
7231 |
break;
|
7232 |
case BS_BRANCH:
|
7233 |
default:
|
7234 |
break;
|
7235 |
} |
7236 |
} |
7237 |
done_generating:
|
7238 |
*gen_opc_ptr = INDEX_op_end; |
7239 |
if (search_pc) {
|
7240 |
j = gen_opc_ptr - gen_opc_buf; |
7241 |
lj++; |
7242 |
while (lj <= j)
|
7243 |
gen_opc_instr_start[lj++] = 0;
|
7244 |
} else {
|
7245 |
tb->size = ctx.pc - pc_start; |
7246 |
} |
7247 |
#ifdef DEBUG_DISAS
|
7248 |
#if defined MIPS_DEBUG_DISAS
|
7249 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
7250 |
fprintf(logfile, "\n");
|
7251 |
#endif
|
7252 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
7253 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
7254 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
7255 |
fprintf(logfile, "\n");
|
7256 |
} |
7257 |
if (loglevel & CPU_LOG_TB_CPU) {
|
7258 |
fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
|
7259 |
} |
7260 |
#endif
|
7261 |
|
7262 |
return 0; |
7263 |
} |
7264 |
|
7265 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
7266 |
{ |
7267 |
return gen_intermediate_code_internal(env, tb, 0); |
7268 |
} |
7269 |
|
7270 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
7271 |
{ |
7272 |
return gen_intermediate_code_internal(env, tb, 1); |
7273 |
} |
7274 |
|
7275 |
void fpu_dump_state(CPUState *env, FILE *f,
|
7276 |
int (*fpu_fprintf)(FILE *f, const char *fmt, ...), |
7277 |
int flags)
|
7278 |
{ |
7279 |
int i;
|
7280 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
7281 |
|
7282 |
#define printfpr(fp) \
|
7283 |
do { \
|
7284 |
if (is_fpu64) \
|
7285 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
|
7286 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ |
7287 |
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ |
7288 |
else { \
|
7289 |
fpr_t tmp; \ |
7290 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
7291 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
7292 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
|
7293 |
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ |
7294 |
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ |
7295 |
} \ |
7296 |
} while(0) |
7297 |
|
7298 |
|
7299 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
|
7300 |
env->fpu->fcr0, env->fpu->fcr31, is_fpu64, env->fpu->fp_status, |
7301 |
get_float_exception_flags(&env->fpu->fp_status)); |
7302 |
fpu_fprintf(f, "FT0: "); printfpr(&env->fpu->ft0);
|
7303 |
fpu_fprintf(f, "FT1: "); printfpr(&env->fpu->ft1);
|
7304 |
fpu_fprintf(f, "FT2: "); printfpr(&env->fpu->ft2);
|
7305 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
7306 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
7307 |
printfpr(&env->fpu->fpr[i]); |
7308 |
} |
7309 |
|
7310 |
#undef printfpr
|
7311 |
} |
7312 |
|
7313 |
void dump_fpu (CPUState *env)
|
7314 |
{ |
7315 |
if (loglevel) {
|
7316 |
fprintf(logfile, |
7317 |
"pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx |
7318 |
" LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx |
7319 |
" %04x\n",
|
7320 |
env->PC[env->current_tc], env->HI[env->current_tc][0],
|
7321 |
env->LO[env->current_tc][0], env->hflags, env->btarget,
|
7322 |
env->bcond); |
7323 |
fpu_dump_state(env, logfile, fprintf, 0);
|
7324 |
} |
7325 |
} |
7326 |
|
7327 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
7328 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
7329 |
sign-extened values on 64bit machines. */
|
7330 |
|
7331 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
7332 |
|
7333 |
void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
|
7334 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
7335 |
int flags)
|
7336 |
{ |
7337 |
int i;
|
7338 |
|
7339 |
if (!SIGN_EXT_P(env->PC[env->current_tc]))
|
7340 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC[env->current_tc]); |
7341 |
if (!SIGN_EXT_P(env->HI[env->current_tc][0])) |
7342 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI[env->current_tc][0]); |
7343 |
if (!SIGN_EXT_P(env->LO[env->current_tc][0])) |
7344 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO[env->current_tc][0]); |
7345 |
if (!SIGN_EXT_P(env->btarget))
|
7346 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
7347 |
|
7348 |
for (i = 0; i < 32; i++) { |
7349 |
if (!SIGN_EXT_P(env->gpr[env->current_tc][i]))
|
7350 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[env->current_tc][i]); |
7351 |
} |
7352 |
|
7353 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
7354 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
7355 |
if (!SIGN_EXT_P(env->CP0_LLAddr))
|
7356 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr); |
7357 |
} |
7358 |
#endif
|
7359 |
|
7360 |
void cpu_dump_state (CPUState *env, FILE *f,
|
7361 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
7362 |
int flags)
|
7363 |
{ |
7364 |
int i;
|
7365 |
|
7366 |
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", |
7367 |
env->PC[env->current_tc], env->HI[env->current_tc], env->LO[env->current_tc], env->hflags, env->btarget, env->bcond); |
7368 |
for (i = 0; i < 32; i++) { |
7369 |
if ((i & 3) == 0) |
7370 |
cpu_fprintf(f, "GPR%02d:", i);
|
7371 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[env->current_tc][i]);
|
7372 |
if ((i & 3) == 3) |
7373 |
cpu_fprintf(f, "\n");
|
7374 |
} |
7375 |
|
7376 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
7377 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
7378 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
7379 |
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr); |
7380 |
if (env->hflags & MIPS_HFLAG_FPU)
|
7381 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
7382 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
7383 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
7384 |
#endif
|
7385 |
} |
7386 |
|
7387 |
static void mips_tcg_init(void) |
7388 |
{ |
7389 |
static int inited; |
7390 |
|
7391 |
/* Initialize various static tables. */
|
7392 |
if (inited)
|
7393 |
return;
|
7394 |
|
7395 |
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
|
7396 |
current_tc_gprs = tcg_global_mem_new(TCG_TYPE_PTR, |
7397 |
TCG_AREG0, |
7398 |
offsetof(CPUState, current_tc_gprs), |
7399 |
"current_tc_gprs");
|
7400 |
#if TARGET_LONG_BITS > HOST_LONG_BITS
|
7401 |
cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL,
|
7402 |
TCG_AREG0, offsetof(CPUState, t0), "T0");
|
7403 |
cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL,
|
7404 |
TCG_AREG0, offsetof(CPUState, t1), "T1");
|
7405 |
#else
|
7406 |
cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0"); |
7407 |
cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1"); |
7408 |
#endif
|
7409 |
|
7410 |
inited = 1;
|
7411 |
} |
7412 |
|
7413 |
#include "translate_init.c" |
7414 |
|
7415 |
CPUMIPSState *cpu_mips_init (const char *cpu_model) |
7416 |
{ |
7417 |
CPUMIPSState *env; |
7418 |
const mips_def_t *def;
|
7419 |
|
7420 |
def = cpu_mips_find_by_name(cpu_model); |
7421 |
if (!def)
|
7422 |
return NULL; |
7423 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
7424 |
if (!env)
|
7425 |
return NULL; |
7426 |
env->cpu_model = def; |
7427 |
|
7428 |
cpu_exec_init(env); |
7429 |
env->cpu_model_str = cpu_model; |
7430 |
mips_tcg_init(); |
7431 |
cpu_reset(env); |
7432 |
return env;
|
7433 |
} |
7434 |
|
7435 |
void cpu_reset (CPUMIPSState *env)
|
7436 |
{ |
7437 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
7438 |
|
7439 |
tlb_flush(env, 1);
|
7440 |
|
7441 |
/* Minimal init */
|
7442 |
#if !defined(CONFIG_USER_ONLY)
|
7443 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
7444 |
/* If the exception was raised from a delay slot,
|
7445 |
* come back to the jump. */
|
7446 |
env->CP0_ErrorEPC = env->PC[env->current_tc] - 4;
|
7447 |
} else {
|
7448 |
env->CP0_ErrorEPC = env->PC[env->current_tc]; |
7449 |
} |
7450 |
env->PC[env->current_tc] = (int32_t)0xBFC00000;
|
7451 |
env->CP0_Wired = 0;
|
7452 |
/* SMP not implemented */
|
7453 |
env->CP0_EBase = 0x80000000;
|
7454 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
7455 |
/* vectored interrupts not implemented, timer on int 7,
|
7456 |
no performance counters. */
|
7457 |
env->CP0_IntCtl = 0xe0000000;
|
7458 |
{ |
7459 |
int i;
|
7460 |
|
7461 |
for (i = 0; i < 7; i++) { |
7462 |
env->CP0_WatchLo[i] = 0;
|
7463 |
env->CP0_WatchHi[i] = 0x80000000;
|
7464 |
} |
7465 |
env->CP0_WatchLo[7] = 0; |
7466 |
env->CP0_WatchHi[7] = 0; |
7467 |
} |
7468 |
/* Count register increments in debug mode, EJTAG version 1 */
|
7469 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
7470 |
#endif
|
7471 |
env->exception_index = EXCP_NONE; |
7472 |
#if defined(CONFIG_USER_ONLY)
|
7473 |
env->hflags = MIPS_HFLAG_UM; |
7474 |
env->user_mode_only = 1;
|
7475 |
#else
|
7476 |
env->hflags = MIPS_HFLAG_CP0; |
7477 |
#endif
|
7478 |
cpu_mips_register(env, env->cpu_model); |
7479 |
} |
7480 |
|
7481 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
7482 |
unsigned long searched_pc, int pc_pos, void *puc) |
7483 |
{ |
7484 |
env->PC[env->current_tc] = gen_opc_pc[pc_pos]; |
7485 |
env->hflags &= ~MIPS_HFLAG_BMASK; |
7486 |
env->hflags |= gen_opc_hflags[pc_pos]; |
7487 |
} |