root / target-mips / translate.c @ d2856f1a
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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 "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, |
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}; |
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|
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/* MFMC0 opcodes */
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#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
317 |
|
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enum {
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OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
320 |
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, |
324 |
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
325 |
}; |
326 |
|
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/* Coprocessor 0 (with rs == C0) */
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328 |
#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
329 |
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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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}; |
340 |
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/* Coprocessor 1 (rs field) */
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#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
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|
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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 */ |
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OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
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OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, |
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OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */ |
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OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */ |
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OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */ |
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OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ |
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OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ |
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OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ |
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OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ |
363 |
}; |
364 |
|
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#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
366 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
367 |
|
368 |
enum {
|
369 |
OPC_BC1F = (0x00 << 16) | OPC_BC1, |
370 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
371 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
372 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
373 |
}; |
374 |
|
375 |
enum {
|
376 |
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
377 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
378 |
}; |
379 |
|
380 |
enum {
|
381 |
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
382 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
383 |
}; |
384 |
|
385 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
386 |
|
387 |
enum {
|
388 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
389 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
390 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
391 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
392 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
393 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
394 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
395 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
396 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
397 |
}; |
398 |
|
399 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
400 |
|
401 |
enum {
|
402 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
403 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
404 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
405 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
406 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
407 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
408 |
OPC_PREFX = 0x0F | OPC_CP3,
|
409 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
410 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
411 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
412 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
413 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
414 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
415 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
416 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
417 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
418 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
419 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
420 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
421 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
422 |
}; |
423 |
|
424 |
|
425 |
const unsigned char *regnames[] = |
426 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
427 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
428 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
429 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
430 |
|
431 |
/* Warning: no function for r0 register (hard wired to zero) */
|
432 |
#define GEN32(func, NAME) \
|
433 |
static GenOpFunc *NAME ## _table [32] = { \ |
434 |
NULL, NAME ## 1, NAME ## 2, NAME ## 3, \ |
435 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
436 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
437 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
438 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
439 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
440 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
441 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
442 |
}; \ |
443 |
static always_inline void func(int n) \ |
444 |
{ \ |
445 |
NAME ## _table[n](); \ |
446 |
} |
447 |
|
448 |
/* General purpose registers moves */
|
449 |
GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); |
450 |
GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); |
451 |
GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); |
452 |
|
453 |
GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); |
454 |
GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); |
455 |
|
456 |
/* Moves to/from shadow registers */
|
457 |
GEN32(gen_op_load_srsgpr_T0, gen_op_load_srsgpr_T0_gpr); |
458 |
GEN32(gen_op_store_T0_srsgpr, gen_op_store_T0_srsgpr_gpr); |
459 |
|
460 |
static const char *fregnames[] = |
461 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
462 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
463 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
464 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
465 |
|
466 |
#define FGEN32(func, NAME) \
|
467 |
static GenOpFunc *NAME ## _table [32] = { \ |
468 |
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ |
469 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
470 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
471 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
472 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
473 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
474 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
475 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
476 |
}; \ |
477 |
static always_inline void func(int n) \ |
478 |
{ \ |
479 |
NAME ## _table[n](); \ |
480 |
} |
481 |
|
482 |
FGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr); |
483 |
FGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr); |
484 |
|
485 |
FGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr); |
486 |
FGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr); |
487 |
|
488 |
FGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr); |
489 |
FGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr); |
490 |
|
491 |
FGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr); |
492 |
FGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr); |
493 |
|
494 |
FGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr); |
495 |
FGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr); |
496 |
|
497 |
FGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr); |
498 |
FGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr); |
499 |
|
500 |
FGEN32(gen_op_load_fpr_WTH0, gen_op_load_fpr_WTH0_fpr); |
501 |
FGEN32(gen_op_store_fpr_WTH0, gen_op_store_fpr_WTH0_fpr); |
502 |
|
503 |
FGEN32(gen_op_load_fpr_WTH1, gen_op_load_fpr_WTH1_fpr); |
504 |
FGEN32(gen_op_store_fpr_WTH1, gen_op_store_fpr_WTH1_fpr); |
505 |
|
506 |
FGEN32(gen_op_load_fpr_WTH2, gen_op_load_fpr_WTH2_fpr); |
507 |
FGEN32(gen_op_store_fpr_WTH2, gen_op_store_fpr_WTH2_fpr); |
508 |
|
509 |
#define FOP_CONDS(type, fmt) \
|
510 |
static GenOpFunc1 * gen_op_cmp ## type ## _ ## fmt ## _table[16] = { \ |
511 |
gen_op_cmp ## type ## _ ## fmt ## _f, \ |
512 |
gen_op_cmp ## type ## _ ## fmt ## _un, \ |
513 |
gen_op_cmp ## type ## _ ## fmt ## _eq, \ |
514 |
gen_op_cmp ## type ## _ ## fmt ## _ueq, \ |
515 |
gen_op_cmp ## type ## _ ## fmt ## _olt, \ |
516 |
gen_op_cmp ## type ## _ ## fmt ## _ult, \ |
517 |
gen_op_cmp ## type ## _ ## fmt ## _ole, \ |
518 |
gen_op_cmp ## type ## _ ## fmt ## _ule, \ |
519 |
gen_op_cmp ## type ## _ ## fmt ## _sf, \ |
520 |
gen_op_cmp ## type ## _ ## fmt ## _ngle, \ |
521 |
gen_op_cmp ## type ## _ ## fmt ## _seq, \ |
522 |
gen_op_cmp ## type ## _ ## fmt ## _ngl, \ |
523 |
gen_op_cmp ## type ## _ ## fmt ## _lt, \ |
524 |
gen_op_cmp ## type ## _ ## fmt ## _nge, \ |
525 |
gen_op_cmp ## type ## _ ## fmt ## _le, \ |
526 |
gen_op_cmp ## type ## _ ## fmt ## _ngt, \ |
527 |
}; \ |
528 |
static always_inline void gen_cmp ## type ## _ ## fmt(int n, long cc) \ |
529 |
{ \ |
530 |
gen_op_cmp ## type ## _ ## fmt ## _table[n](cc); \ |
531 |
} |
532 |
|
533 |
FOP_CONDS(, d) |
534 |
FOP_CONDS(abs, d) |
535 |
FOP_CONDS(, s) |
536 |
FOP_CONDS(abs, s) |
537 |
FOP_CONDS(, ps) |
538 |
FOP_CONDS(abs, ps) |
539 |
|
540 |
typedef struct DisasContext { |
541 |
struct TranslationBlock *tb;
|
542 |
target_ulong pc, saved_pc; |
543 |
uint32_t opcode; |
544 |
uint32_t fp_status; |
545 |
/* Routine used to access memory */
|
546 |
int mem_idx;
|
547 |
uint32_t hflags, saved_hflags; |
548 |
int bstate;
|
549 |
target_ulong btarget; |
550 |
void *last_T0_store;
|
551 |
int last_T0_gpr;
|
552 |
} DisasContext; |
553 |
|
554 |
enum {
|
555 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
556 |
* exception condition
|
557 |
*/
|
558 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
559 |
BS_BRANCH = 2, /* We reached a branch condition */ |
560 |
BS_EXCP = 3, /* We reached an exception condition */ |
561 |
}; |
562 |
|
563 |
#ifdef MIPS_DEBUG_DISAS
|
564 |
#define MIPS_DEBUG(fmt, args...) \
|
565 |
do { \
|
566 |
if (loglevel & CPU_LOG_TB_IN_ASM) { \
|
567 |
fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \ |
568 |
ctx->pc, ctx->opcode , ##args); \ |
569 |
} \ |
570 |
} while (0) |
571 |
#else
|
572 |
#define MIPS_DEBUG(fmt, args...) do { } while(0) |
573 |
#endif
|
574 |
|
575 |
#define MIPS_INVAL(op) \
|
576 |
do { \
|
577 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
578 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
579 |
} while (0) |
580 |
|
581 |
#define GEN_LOAD_REG_T0(Rn) \
|
582 |
do { \
|
583 |
if (Rn == 0) { \ |
584 |
gen_op_reset_T0(); \ |
585 |
} else { \
|
586 |
if (ctx->glue(last_T0, _store) != gen_opc_ptr \
|
587 |
|| ctx->glue(last_T0, _gpr) != Rn) { \ |
588 |
gen_op_load_gpr_T0(Rn); \ |
589 |
} \ |
590 |
} \ |
591 |
} while (0) |
592 |
|
593 |
#define GEN_LOAD_REG_T1(Rn) \
|
594 |
do { \
|
595 |
if (Rn == 0) { \ |
596 |
gen_op_reset_T1(); \ |
597 |
} else { \
|
598 |
gen_op_load_gpr_T1(Rn); \ |
599 |
} \ |
600 |
} while (0) |
601 |
|
602 |
#define GEN_LOAD_REG_T2(Rn) \
|
603 |
do { \
|
604 |
if (Rn == 0) { \ |
605 |
gen_op_reset_T2(); \ |
606 |
} else { \
|
607 |
gen_op_load_gpr_T2(Rn); \ |
608 |
} \ |
609 |
} while (0) |
610 |
|
611 |
#define GEN_LOAD_SRSREG_TN(Tn, Rn) \
|
612 |
do { \
|
613 |
if (Rn == 0) { \ |
614 |
glue(gen_op_reset_, Tn)(); \ |
615 |
} else { \
|
616 |
glue(gen_op_load_srsgpr_, Tn)(Rn); \ |
617 |
} \ |
618 |
} while (0) |
619 |
|
620 |
#if defined(TARGET_MIPS64)
|
621 |
#define GEN_LOAD_IMM_TN(Tn, Imm) \
|
622 |
do { \
|
623 |
if (Imm == 0) { \ |
624 |
glue(gen_op_reset_, Tn)(); \ |
625 |
} else if ((int32_t)Imm == Imm) { \ |
626 |
glue(gen_op_set_, Tn)(Imm); \ |
627 |
} else { \
|
628 |
glue(gen_op_set64_, Tn)(((uint64_t)Imm) >> 32, (uint32_t)Imm); \
|
629 |
} \ |
630 |
} while (0) |
631 |
#else
|
632 |
#define GEN_LOAD_IMM_TN(Tn, Imm) \
|
633 |
do { \
|
634 |
if (Imm == 0) { \ |
635 |
glue(gen_op_reset_, Tn)(); \ |
636 |
} else { \
|
637 |
glue(gen_op_set_, Tn)(Imm); \ |
638 |
} \ |
639 |
} while (0) |
640 |
#endif
|
641 |
|
642 |
#define GEN_STORE_T0_REG(Rn) \
|
643 |
do { \
|
644 |
if (Rn != 0) { \ |
645 |
glue(gen_op_store_T0,_gpr)(Rn); \ |
646 |
ctx->glue(last_T0,_store) = gen_opc_ptr; \ |
647 |
ctx->glue(last_T0,_gpr) = Rn; \ |
648 |
} \ |
649 |
} while (0) |
650 |
|
651 |
#define GEN_STORE_T1_REG(Rn) \
|
652 |
do { \
|
653 |
if (Rn != 0) \ |
654 |
glue(gen_op_store_T1,_gpr)(Rn); \ |
655 |
} while (0) |
656 |
|
657 |
#define GEN_STORE_TN_SRSREG(Rn, Tn) \
|
658 |
do { \
|
659 |
if (Rn != 0) { \ |
660 |
glue(glue(gen_op_store_, Tn),_srsgpr)(Rn); \ |
661 |
} \ |
662 |
} while (0) |
663 |
|
664 |
#define GEN_LOAD_FREG_FTN(FTn, Fn) \
|
665 |
do { \
|
666 |
glue(gen_op_load_fpr_, FTn)(Fn); \ |
667 |
} while (0) |
668 |
|
669 |
#define GEN_STORE_FTN_FREG(Fn, FTn) \
|
670 |
do { \
|
671 |
glue(gen_op_store_fpr_, FTn)(Fn); \ |
672 |
} while (0) |
673 |
|
674 |
static always_inline void gen_save_pc(target_ulong pc) |
675 |
{ |
676 |
#if defined(TARGET_MIPS64)
|
677 |
if (pc == (int32_t)pc) {
|
678 |
gen_op_save_pc(pc); |
679 |
} else {
|
680 |
gen_op_save_pc64(pc >> 32, (uint32_t)pc);
|
681 |
} |
682 |
#else
|
683 |
gen_op_save_pc(pc); |
684 |
#endif
|
685 |
} |
686 |
|
687 |
static always_inline void gen_save_btarget(target_ulong btarget) |
688 |
{ |
689 |
#if defined(TARGET_MIPS64)
|
690 |
if (btarget == (int32_t)btarget) {
|
691 |
gen_op_save_btarget(btarget); |
692 |
} else {
|
693 |
gen_op_save_btarget64(btarget >> 32, (uint32_t)btarget);
|
694 |
} |
695 |
#else
|
696 |
gen_op_save_btarget(btarget); |
697 |
#endif
|
698 |
} |
699 |
|
700 |
static always_inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
701 |
{ |
702 |
#if defined MIPS_DEBUG_DISAS
|
703 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
704 |
fprintf(logfile, "hflags %08x saved %08x\n",
|
705 |
ctx->hflags, ctx->saved_hflags); |
706 |
} |
707 |
#endif
|
708 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
709 |
gen_save_pc(ctx->pc); |
710 |
ctx->saved_pc = ctx->pc; |
711 |
} |
712 |
if (ctx->hflags != ctx->saved_hflags) {
|
713 |
gen_op_save_state(ctx->hflags); |
714 |
ctx->saved_hflags = ctx->hflags; |
715 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
716 |
case MIPS_HFLAG_BR:
|
717 |
gen_op_save_breg_target(); |
718 |
break;
|
719 |
case MIPS_HFLAG_BC:
|
720 |
gen_op_save_bcond(); |
721 |
/* fall through */
|
722 |
case MIPS_HFLAG_BL:
|
723 |
/* bcond was already saved by the BL insn */
|
724 |
/* fall through */
|
725 |
case MIPS_HFLAG_B:
|
726 |
gen_save_btarget(ctx->btarget); |
727 |
break;
|
728 |
} |
729 |
} |
730 |
} |
731 |
|
732 |
static always_inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
733 |
{ |
734 |
ctx->saved_hflags = ctx->hflags; |
735 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
736 |
case MIPS_HFLAG_BR:
|
737 |
gen_op_restore_breg_target(); |
738 |
break;
|
739 |
case MIPS_HFLAG_B:
|
740 |
ctx->btarget = env->btarget; |
741 |
break;
|
742 |
case MIPS_HFLAG_BC:
|
743 |
case MIPS_HFLAG_BL:
|
744 |
ctx->btarget = env->btarget; |
745 |
gen_op_restore_bcond(); |
746 |
break;
|
747 |
} |
748 |
} |
749 |
|
750 |
static always_inline void generate_exception_err (DisasContext *ctx, int excp, int err) |
751 |
{ |
752 |
#if defined MIPS_DEBUG_DISAS
|
753 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
754 |
fprintf(logfile, "%s: raise exception %d\n", __func__, excp);
|
755 |
#endif
|
756 |
save_cpu_state(ctx, 1);
|
757 |
if (err == 0) |
758 |
gen_op_raise_exception(excp); |
759 |
else
|
760 |
gen_op_raise_exception_err(excp, err); |
761 |
ctx->bstate = BS_EXCP; |
762 |
} |
763 |
|
764 |
static always_inline void generate_exception (DisasContext *ctx, int excp) |
765 |
{ |
766 |
generate_exception_err (ctx, excp, 0);
|
767 |
} |
768 |
|
769 |
static always_inline void check_cp0_enabled(DisasContext *ctx) |
770 |
{ |
771 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
|
772 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
773 |
} |
774 |
|
775 |
static always_inline void check_cp1_enabled(DisasContext *ctx) |
776 |
{ |
777 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
|
778 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
779 |
} |
780 |
|
781 |
/* Verify that the processor is running with COP1X instructions enabled.
|
782 |
This is associated with the nabla symbol in the MIPS32 and MIPS64
|
783 |
opcode tables. */
|
784 |
|
785 |
static always_inline void check_cop1x(DisasContext *ctx) |
786 |
{ |
787 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
|
788 |
generate_exception(ctx, EXCP_RI); |
789 |
} |
790 |
|
791 |
/* Verify that the processor is running with 64-bit floating-point
|
792 |
operations enabled. */
|
793 |
|
794 |
static always_inline void check_cp1_64bitmode(DisasContext *ctx) |
795 |
{ |
796 |
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
|
797 |
generate_exception(ctx, EXCP_RI); |
798 |
} |
799 |
|
800 |
/*
|
801 |
* Verify if floating point register is valid; an operation is not defined
|
802 |
* if bit 0 of any register specification is set and the FR bit in the
|
803 |
* Status register equals zero, since the register numbers specify an
|
804 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
805 |
* in the Status register equals one, both even and odd register numbers
|
806 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
807 |
*
|
808 |
* Multiple 64 bit wide registers can be checked by calling
|
809 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
810 |
*/
|
811 |
void check_cp1_registers(DisasContext *ctx, int regs) |
812 |
{ |
813 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
814 |
generate_exception(ctx, EXCP_RI); |
815 |
} |
816 |
|
817 |
/* This code generates a "reserved instruction" exception if the
|
818 |
CPU does not support the instruction set corresponding to flags. */
|
819 |
static always_inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
820 |
{ |
821 |
if (unlikely(!(env->insn_flags & flags)))
|
822 |
generate_exception(ctx, EXCP_RI); |
823 |
} |
824 |
|
825 |
/* This code generates a "reserved instruction" exception if 64-bit
|
826 |
instructions are not enabled. */
|
827 |
static always_inline void check_mips_64(DisasContext *ctx) |
828 |
{ |
829 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
|
830 |
generate_exception(ctx, EXCP_RI); |
831 |
} |
832 |
|
833 |
#if defined(CONFIG_USER_ONLY)
|
834 |
#define op_ldst(name) gen_op_##name##_raw() |
835 |
#define OP_LD_TABLE(width)
|
836 |
#define OP_ST_TABLE(width)
|
837 |
#else
|
838 |
#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() |
839 |
#define OP_LD_TABLE(width) \
|
840 |
static GenOpFunc *gen_op_l##width[] = { \ |
841 |
&gen_op_l##width##_kernel, \ |
842 |
&gen_op_l##width##_super, \ |
843 |
&gen_op_l##width##_user, \ |
844 |
} |
845 |
#define OP_ST_TABLE(width) \
|
846 |
static GenOpFunc *gen_op_s##width[] = { \ |
847 |
&gen_op_s##width##_kernel, \ |
848 |
&gen_op_s##width##_super, \ |
849 |
&gen_op_s##width##_user, \ |
850 |
} |
851 |
#endif
|
852 |
|
853 |
#if defined(TARGET_MIPS64)
|
854 |
OP_LD_TABLE(d); |
855 |
OP_LD_TABLE(dl); |
856 |
OP_LD_TABLE(dr); |
857 |
OP_ST_TABLE(d); |
858 |
OP_ST_TABLE(dl); |
859 |
OP_ST_TABLE(dr); |
860 |
OP_LD_TABLE(ld); |
861 |
OP_ST_TABLE(cd); |
862 |
OP_LD_TABLE(wu); |
863 |
#endif
|
864 |
OP_LD_TABLE(w); |
865 |
OP_LD_TABLE(wl); |
866 |
OP_LD_TABLE(wr); |
867 |
OP_ST_TABLE(w); |
868 |
OP_ST_TABLE(wl); |
869 |
OP_ST_TABLE(wr); |
870 |
OP_LD_TABLE(h); |
871 |
OP_LD_TABLE(hu); |
872 |
OP_ST_TABLE(h); |
873 |
OP_LD_TABLE(b); |
874 |
OP_LD_TABLE(bu); |
875 |
OP_ST_TABLE(b); |
876 |
OP_LD_TABLE(l); |
877 |
OP_ST_TABLE(c); |
878 |
OP_LD_TABLE(wc1); |
879 |
OP_ST_TABLE(wc1); |
880 |
OP_LD_TABLE(dc1); |
881 |
OP_ST_TABLE(dc1); |
882 |
OP_LD_TABLE(uxc1); |
883 |
OP_ST_TABLE(uxc1); |
884 |
|
885 |
/* Load and store */
|
886 |
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
887 |
int base, int16_t offset)
|
888 |
{ |
889 |
const char *opn = "ldst"; |
890 |
|
891 |
if (base == 0) { |
892 |
GEN_LOAD_IMM_TN(T0, offset); |
893 |
} else if (offset == 0) { |
894 |
gen_op_load_gpr_T0(base); |
895 |
} else {
|
896 |
gen_op_load_gpr_T0(base); |
897 |
gen_op_set_T1(offset); |
898 |
gen_op_addr_add(); |
899 |
} |
900 |
/* Don't do NOP if destination is zero: we must perform the actual
|
901 |
memory access. */
|
902 |
switch (opc) {
|
903 |
#if defined(TARGET_MIPS64)
|
904 |
case OPC_LWU:
|
905 |
op_ldst(lwu); |
906 |
GEN_STORE_T0_REG(rt); |
907 |
opn = "lwu";
|
908 |
break;
|
909 |
case OPC_LD:
|
910 |
op_ldst(ld); |
911 |
GEN_STORE_T0_REG(rt); |
912 |
opn = "ld";
|
913 |
break;
|
914 |
case OPC_LLD:
|
915 |
op_ldst(lld); |
916 |
GEN_STORE_T0_REG(rt); |
917 |
opn = "lld";
|
918 |
break;
|
919 |
case OPC_SD:
|
920 |
GEN_LOAD_REG_T1(rt); |
921 |
op_ldst(sd); |
922 |
opn = "sd";
|
923 |
break;
|
924 |
case OPC_SCD:
|
925 |
save_cpu_state(ctx, 1);
|
926 |
GEN_LOAD_REG_T1(rt); |
927 |
op_ldst(scd); |
928 |
GEN_STORE_T0_REG(rt); |
929 |
opn = "scd";
|
930 |
break;
|
931 |
case OPC_LDL:
|
932 |
GEN_LOAD_REG_T1(rt); |
933 |
op_ldst(ldl); |
934 |
GEN_STORE_T1_REG(rt); |
935 |
opn = "ldl";
|
936 |
break;
|
937 |
case OPC_SDL:
|
938 |
GEN_LOAD_REG_T1(rt); |
939 |
op_ldst(sdl); |
940 |
opn = "sdl";
|
941 |
break;
|
942 |
case OPC_LDR:
|
943 |
GEN_LOAD_REG_T1(rt); |
944 |
op_ldst(ldr); |
945 |
GEN_STORE_T1_REG(rt); |
946 |
opn = "ldr";
|
947 |
break;
|
948 |
case OPC_SDR:
|
949 |
GEN_LOAD_REG_T1(rt); |
950 |
op_ldst(sdr); |
951 |
opn = "sdr";
|
952 |
break;
|
953 |
#endif
|
954 |
case OPC_LW:
|
955 |
op_ldst(lw); |
956 |
GEN_STORE_T0_REG(rt); |
957 |
opn = "lw";
|
958 |
break;
|
959 |
case OPC_SW:
|
960 |
GEN_LOAD_REG_T1(rt); |
961 |
op_ldst(sw); |
962 |
opn = "sw";
|
963 |
break;
|
964 |
case OPC_LH:
|
965 |
op_ldst(lh); |
966 |
GEN_STORE_T0_REG(rt); |
967 |
opn = "lh";
|
968 |
break;
|
969 |
case OPC_SH:
|
970 |
GEN_LOAD_REG_T1(rt); |
971 |
op_ldst(sh); |
972 |
opn = "sh";
|
973 |
break;
|
974 |
case OPC_LHU:
|
975 |
op_ldst(lhu); |
976 |
GEN_STORE_T0_REG(rt); |
977 |
opn = "lhu";
|
978 |
break;
|
979 |
case OPC_LB:
|
980 |
op_ldst(lb); |
981 |
GEN_STORE_T0_REG(rt); |
982 |
opn = "lb";
|
983 |
break;
|
984 |
case OPC_SB:
|
985 |
GEN_LOAD_REG_T1(rt); |
986 |
op_ldst(sb); |
987 |
opn = "sb";
|
988 |
break;
|
989 |
case OPC_LBU:
|
990 |
op_ldst(lbu); |
991 |
GEN_STORE_T0_REG(rt); |
992 |
opn = "lbu";
|
993 |
break;
|
994 |
case OPC_LWL:
|
995 |
GEN_LOAD_REG_T1(rt); |
996 |
op_ldst(lwl); |
997 |
GEN_STORE_T1_REG(rt); |
998 |
opn = "lwl";
|
999 |
break;
|
1000 |
case OPC_SWL:
|
1001 |
GEN_LOAD_REG_T1(rt); |
1002 |
op_ldst(swl); |
1003 |
opn = "swr";
|
1004 |
break;
|
1005 |
case OPC_LWR:
|
1006 |
GEN_LOAD_REG_T1(rt); |
1007 |
op_ldst(lwr); |
1008 |
GEN_STORE_T1_REG(rt); |
1009 |
opn = "lwr";
|
1010 |
break;
|
1011 |
case OPC_SWR:
|
1012 |
GEN_LOAD_REG_T1(rt); |
1013 |
op_ldst(swr); |
1014 |
opn = "swr";
|
1015 |
break;
|
1016 |
case OPC_LL:
|
1017 |
op_ldst(ll); |
1018 |
GEN_STORE_T0_REG(rt); |
1019 |
opn = "ll";
|
1020 |
break;
|
1021 |
case OPC_SC:
|
1022 |
save_cpu_state(ctx, 1);
|
1023 |
GEN_LOAD_REG_T1(rt); |
1024 |
op_ldst(sc); |
1025 |
GEN_STORE_T0_REG(rt); |
1026 |
opn = "sc";
|
1027 |
break;
|
1028 |
default:
|
1029 |
MIPS_INVAL(opn); |
1030 |
generate_exception(ctx, EXCP_RI); |
1031 |
return;
|
1032 |
} |
1033 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1034 |
} |
1035 |
|
1036 |
/* Load and store */
|
1037 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
1038 |
int base, int16_t offset)
|
1039 |
{ |
1040 |
const char *opn = "flt_ldst"; |
1041 |
|
1042 |
if (base == 0) { |
1043 |
GEN_LOAD_IMM_TN(T0, offset); |
1044 |
} else if (offset == 0) { |
1045 |
gen_op_load_gpr_T0(base); |
1046 |
} else {
|
1047 |
gen_op_load_gpr_T0(base); |
1048 |
gen_op_set_T1(offset); |
1049 |
gen_op_addr_add(); |
1050 |
} |
1051 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1052 |
memory access. */
|
1053 |
switch (opc) {
|
1054 |
case OPC_LWC1:
|
1055 |
op_ldst(lwc1); |
1056 |
GEN_STORE_FTN_FREG(ft, WT0); |
1057 |
opn = "lwc1";
|
1058 |
break;
|
1059 |
case OPC_SWC1:
|
1060 |
GEN_LOAD_FREG_FTN(WT0, ft); |
1061 |
op_ldst(swc1); |
1062 |
opn = "swc1";
|
1063 |
break;
|
1064 |
case OPC_LDC1:
|
1065 |
op_ldst(ldc1); |
1066 |
GEN_STORE_FTN_FREG(ft, DT0); |
1067 |
opn = "ldc1";
|
1068 |
break;
|
1069 |
case OPC_SDC1:
|
1070 |
GEN_LOAD_FREG_FTN(DT0, ft); |
1071 |
op_ldst(sdc1); |
1072 |
opn = "sdc1";
|
1073 |
break;
|
1074 |
default:
|
1075 |
MIPS_INVAL(opn); |
1076 |
generate_exception(ctx, EXCP_RI); |
1077 |
return;
|
1078 |
} |
1079 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
1080 |
} |
1081 |
|
1082 |
/* Arithmetic with immediate operand */
|
1083 |
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
1084 |
int rt, int rs, int16_t imm) |
1085 |
{ |
1086 |
target_ulong uimm; |
1087 |
const char *opn = "imm arith"; |
1088 |
|
1089 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
1090 |
/* If no destination, treat it as a NOP.
|
1091 |
For addi, we must generate the overflow exception when needed. */
|
1092 |
MIPS_DEBUG("NOP");
|
1093 |
return;
|
1094 |
} |
1095 |
uimm = (uint16_t)imm; |
1096 |
switch (opc) {
|
1097 |
case OPC_ADDI:
|
1098 |
case OPC_ADDIU:
|
1099 |
#if defined(TARGET_MIPS64)
|
1100 |
case OPC_DADDI:
|
1101 |
case OPC_DADDIU:
|
1102 |
#endif
|
1103 |
case OPC_SLTI:
|
1104 |
case OPC_SLTIU:
|
1105 |
uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1106 |
/* Fall through. */
|
1107 |
case OPC_ANDI:
|
1108 |
case OPC_ORI:
|
1109 |
case OPC_XORI:
|
1110 |
GEN_LOAD_REG_T0(rs); |
1111 |
GEN_LOAD_IMM_TN(T1, uimm); |
1112 |
break;
|
1113 |
case OPC_LUI:
|
1114 |
GEN_LOAD_IMM_TN(T0, imm << 16);
|
1115 |
break;
|
1116 |
case OPC_SLL:
|
1117 |
case OPC_SRA:
|
1118 |
case OPC_SRL:
|
1119 |
#if defined(TARGET_MIPS64)
|
1120 |
case OPC_DSLL:
|
1121 |
case OPC_DSRA:
|
1122 |
case OPC_DSRL:
|
1123 |
case OPC_DSLL32:
|
1124 |
case OPC_DSRA32:
|
1125 |
case OPC_DSRL32:
|
1126 |
#endif
|
1127 |
uimm &= 0x1f;
|
1128 |
GEN_LOAD_REG_T0(rs); |
1129 |
GEN_LOAD_IMM_TN(T1, uimm); |
1130 |
break;
|
1131 |
} |
1132 |
switch (opc) {
|
1133 |
case OPC_ADDI:
|
1134 |
save_cpu_state(ctx, 1);
|
1135 |
gen_op_addo(); |
1136 |
opn = "addi";
|
1137 |
break;
|
1138 |
case OPC_ADDIU:
|
1139 |
gen_op_add(); |
1140 |
opn = "addiu";
|
1141 |
break;
|
1142 |
#if defined(TARGET_MIPS64)
|
1143 |
case OPC_DADDI:
|
1144 |
save_cpu_state(ctx, 1);
|
1145 |
gen_op_daddo(); |
1146 |
opn = "daddi";
|
1147 |
break;
|
1148 |
case OPC_DADDIU:
|
1149 |
gen_op_dadd(); |
1150 |
opn = "daddiu";
|
1151 |
break;
|
1152 |
#endif
|
1153 |
case OPC_SLTI:
|
1154 |
gen_op_lt(); |
1155 |
opn = "slti";
|
1156 |
break;
|
1157 |
case OPC_SLTIU:
|
1158 |
gen_op_ltu(); |
1159 |
opn = "sltiu";
|
1160 |
break;
|
1161 |
case OPC_ANDI:
|
1162 |
gen_op_and(); |
1163 |
opn = "andi";
|
1164 |
break;
|
1165 |
case OPC_ORI:
|
1166 |
gen_op_or(); |
1167 |
opn = "ori";
|
1168 |
break;
|
1169 |
case OPC_XORI:
|
1170 |
gen_op_xor(); |
1171 |
opn = "xori";
|
1172 |
break;
|
1173 |
case OPC_LUI:
|
1174 |
opn = "lui";
|
1175 |
break;
|
1176 |
case OPC_SLL:
|
1177 |
gen_op_sll(); |
1178 |
opn = "sll";
|
1179 |
break;
|
1180 |
case OPC_SRA:
|
1181 |
gen_op_sra(); |
1182 |
opn = "sra";
|
1183 |
break;
|
1184 |
case OPC_SRL:
|
1185 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1186 |
case 0: |
1187 |
gen_op_srl(); |
1188 |
opn = "srl";
|
1189 |
break;
|
1190 |
case 1: |
1191 |
/* rotr is decoded as srl on non-R2 CPUs */
|
1192 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1193 |
gen_op_rotr(); |
1194 |
opn = "rotr";
|
1195 |
} else {
|
1196 |
gen_op_srl(); |
1197 |
opn = "srl";
|
1198 |
} |
1199 |
break;
|
1200 |
default:
|
1201 |
MIPS_INVAL("invalid srl flag");
|
1202 |
generate_exception(ctx, EXCP_RI); |
1203 |
break;
|
1204 |
} |
1205 |
break;
|
1206 |
#if defined(TARGET_MIPS64)
|
1207 |
case OPC_DSLL:
|
1208 |
gen_op_dsll(); |
1209 |
opn = "dsll";
|
1210 |
break;
|
1211 |
case OPC_DSRA:
|
1212 |
gen_op_dsra(); |
1213 |
opn = "dsra";
|
1214 |
break;
|
1215 |
case OPC_DSRL:
|
1216 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1217 |
case 0: |
1218 |
gen_op_dsrl(); |
1219 |
opn = "dsrl";
|
1220 |
break;
|
1221 |
case 1: |
1222 |
/* drotr is decoded as dsrl on non-R2 CPUs */
|
1223 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1224 |
gen_op_drotr(); |
1225 |
opn = "drotr";
|
1226 |
} else {
|
1227 |
gen_op_dsrl(); |
1228 |
opn = "dsrl";
|
1229 |
} |
1230 |
break;
|
1231 |
default:
|
1232 |
MIPS_INVAL("invalid dsrl flag");
|
1233 |
generate_exception(ctx, EXCP_RI); |
1234 |
break;
|
1235 |
} |
1236 |
break;
|
1237 |
case OPC_DSLL32:
|
1238 |
gen_op_dsll32(); |
1239 |
opn = "dsll32";
|
1240 |
break;
|
1241 |
case OPC_DSRA32:
|
1242 |
gen_op_dsra32(); |
1243 |
opn = "dsra32";
|
1244 |
break;
|
1245 |
case OPC_DSRL32:
|
1246 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1247 |
case 0: |
1248 |
gen_op_dsrl32(); |
1249 |
opn = "dsrl32";
|
1250 |
break;
|
1251 |
case 1: |
1252 |
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
|
1253 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1254 |
gen_op_drotr32(); |
1255 |
opn = "drotr32";
|
1256 |
} else {
|
1257 |
gen_op_dsrl32(); |
1258 |
opn = "dsrl32";
|
1259 |
} |
1260 |
break;
|
1261 |
default:
|
1262 |
MIPS_INVAL("invalid dsrl32 flag");
|
1263 |
generate_exception(ctx, EXCP_RI); |
1264 |
break;
|
1265 |
} |
1266 |
break;
|
1267 |
#endif
|
1268 |
default:
|
1269 |
MIPS_INVAL(opn); |
1270 |
generate_exception(ctx, EXCP_RI); |
1271 |
return;
|
1272 |
} |
1273 |
GEN_STORE_T0_REG(rt); |
1274 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1275 |
} |
1276 |
|
1277 |
/* Arithmetic */
|
1278 |
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
1279 |
int rd, int rs, int rt) |
1280 |
{ |
1281 |
const char *opn = "arith"; |
1282 |
|
1283 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
1284 |
&& opc != OPC_DADD && opc != OPC_DSUB) { |
1285 |
/* If no destination, treat it as a NOP.
|
1286 |
For add & sub, we must generate the overflow exception when needed. */
|
1287 |
MIPS_DEBUG("NOP");
|
1288 |
return;
|
1289 |
} |
1290 |
GEN_LOAD_REG_T0(rs); |
1291 |
/* Specialcase the conventional move operation. */
|
1292 |
if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU |
1293 |
|| opc == OPC_SUBU || opc == OPC_DSUBU)) { |
1294 |
GEN_STORE_T0_REG(rd); |
1295 |
return;
|
1296 |
} |
1297 |
GEN_LOAD_REG_T1(rt); |
1298 |
switch (opc) {
|
1299 |
case OPC_ADD:
|
1300 |
save_cpu_state(ctx, 1);
|
1301 |
gen_op_addo(); |
1302 |
opn = "add";
|
1303 |
break;
|
1304 |
case OPC_ADDU:
|
1305 |
gen_op_add(); |
1306 |
opn = "addu";
|
1307 |
break;
|
1308 |
case OPC_SUB:
|
1309 |
save_cpu_state(ctx, 1);
|
1310 |
gen_op_subo(); |
1311 |
opn = "sub";
|
1312 |
break;
|
1313 |
case OPC_SUBU:
|
1314 |
gen_op_sub(); |
1315 |
opn = "subu";
|
1316 |
break;
|
1317 |
#if defined(TARGET_MIPS64)
|
1318 |
case OPC_DADD:
|
1319 |
save_cpu_state(ctx, 1);
|
1320 |
gen_op_daddo(); |
1321 |
opn = "dadd";
|
1322 |
break;
|
1323 |
case OPC_DADDU:
|
1324 |
gen_op_dadd(); |
1325 |
opn = "daddu";
|
1326 |
break;
|
1327 |
case OPC_DSUB:
|
1328 |
save_cpu_state(ctx, 1);
|
1329 |
gen_op_dsubo(); |
1330 |
opn = "dsub";
|
1331 |
break;
|
1332 |
case OPC_DSUBU:
|
1333 |
gen_op_dsub(); |
1334 |
opn = "dsubu";
|
1335 |
break;
|
1336 |
#endif
|
1337 |
case OPC_SLT:
|
1338 |
gen_op_lt(); |
1339 |
opn = "slt";
|
1340 |
break;
|
1341 |
case OPC_SLTU:
|
1342 |
gen_op_ltu(); |
1343 |
opn = "sltu";
|
1344 |
break;
|
1345 |
case OPC_AND:
|
1346 |
gen_op_and(); |
1347 |
opn = "and";
|
1348 |
break;
|
1349 |
case OPC_NOR:
|
1350 |
gen_op_nor(); |
1351 |
opn = "nor";
|
1352 |
break;
|
1353 |
case OPC_OR:
|
1354 |
gen_op_or(); |
1355 |
opn = "or";
|
1356 |
break;
|
1357 |
case OPC_XOR:
|
1358 |
gen_op_xor(); |
1359 |
opn = "xor";
|
1360 |
break;
|
1361 |
case OPC_MUL:
|
1362 |
gen_op_mul(); |
1363 |
opn = "mul";
|
1364 |
break;
|
1365 |
case OPC_MOVN:
|
1366 |
gen_op_movn(rd); |
1367 |
opn = "movn";
|
1368 |
goto print;
|
1369 |
case OPC_MOVZ:
|
1370 |
gen_op_movz(rd); |
1371 |
opn = "movz";
|
1372 |
goto print;
|
1373 |
case OPC_SLLV:
|
1374 |
gen_op_sllv(); |
1375 |
opn = "sllv";
|
1376 |
break;
|
1377 |
case OPC_SRAV:
|
1378 |
gen_op_srav(); |
1379 |
opn = "srav";
|
1380 |
break;
|
1381 |
case OPC_SRLV:
|
1382 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1383 |
case 0: |
1384 |
gen_op_srlv(); |
1385 |
opn = "srlv";
|
1386 |
break;
|
1387 |
case 1: |
1388 |
/* rotrv is decoded as srlv on non-R2 CPUs */
|
1389 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1390 |
gen_op_rotrv(); |
1391 |
opn = "rotrv";
|
1392 |
} else {
|
1393 |
gen_op_srlv(); |
1394 |
opn = "srlv";
|
1395 |
} |
1396 |
break;
|
1397 |
default:
|
1398 |
MIPS_INVAL("invalid srlv flag");
|
1399 |
generate_exception(ctx, EXCP_RI); |
1400 |
break;
|
1401 |
} |
1402 |
break;
|
1403 |
#if defined(TARGET_MIPS64)
|
1404 |
case OPC_DSLLV:
|
1405 |
gen_op_dsllv(); |
1406 |
opn = "dsllv";
|
1407 |
break;
|
1408 |
case OPC_DSRAV:
|
1409 |
gen_op_dsrav(); |
1410 |
opn = "dsrav";
|
1411 |
break;
|
1412 |
case OPC_DSRLV:
|
1413 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1414 |
case 0: |
1415 |
gen_op_dsrlv(); |
1416 |
opn = "dsrlv";
|
1417 |
break;
|
1418 |
case 1: |
1419 |
/* drotrv is decoded as dsrlv on non-R2 CPUs */
|
1420 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1421 |
gen_op_drotrv(); |
1422 |
opn = "drotrv";
|
1423 |
} else {
|
1424 |
gen_op_dsrlv(); |
1425 |
opn = "dsrlv";
|
1426 |
} |
1427 |
break;
|
1428 |
default:
|
1429 |
MIPS_INVAL("invalid dsrlv flag");
|
1430 |
generate_exception(ctx, EXCP_RI); |
1431 |
break;
|
1432 |
} |
1433 |
break;
|
1434 |
#endif
|
1435 |
default:
|
1436 |
MIPS_INVAL(opn); |
1437 |
generate_exception(ctx, EXCP_RI); |
1438 |
return;
|
1439 |
} |
1440 |
GEN_STORE_T0_REG(rd); |
1441 |
print:
|
1442 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1443 |
} |
1444 |
|
1445 |
/* Arithmetic on HI/LO registers */
|
1446 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
1447 |
{ |
1448 |
const char *opn = "hilo"; |
1449 |
|
1450 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
1451 |
/* Treat as NOP. */
|
1452 |
MIPS_DEBUG("NOP");
|
1453 |
return;
|
1454 |
} |
1455 |
switch (opc) {
|
1456 |
case OPC_MFHI:
|
1457 |
gen_op_load_HI(0);
|
1458 |
GEN_STORE_T0_REG(reg); |
1459 |
opn = "mfhi";
|
1460 |
break;
|
1461 |
case OPC_MFLO:
|
1462 |
gen_op_load_LO(0);
|
1463 |
GEN_STORE_T0_REG(reg); |
1464 |
opn = "mflo";
|
1465 |
break;
|
1466 |
case OPC_MTHI:
|
1467 |
GEN_LOAD_REG_T0(reg); |
1468 |
gen_op_store_HI(0);
|
1469 |
opn = "mthi";
|
1470 |
break;
|
1471 |
case OPC_MTLO:
|
1472 |
GEN_LOAD_REG_T0(reg); |
1473 |
gen_op_store_LO(0);
|
1474 |
opn = "mtlo";
|
1475 |
break;
|
1476 |
default:
|
1477 |
MIPS_INVAL(opn); |
1478 |
generate_exception(ctx, EXCP_RI); |
1479 |
return;
|
1480 |
} |
1481 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
1482 |
} |
1483 |
|
1484 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
1485 |
int rs, int rt) |
1486 |
{ |
1487 |
const char *opn = "mul/div"; |
1488 |
|
1489 |
GEN_LOAD_REG_T0(rs); |
1490 |
GEN_LOAD_REG_T1(rt); |
1491 |
switch (opc) {
|
1492 |
case OPC_DIV:
|
1493 |
gen_op_div(); |
1494 |
opn = "div";
|
1495 |
break;
|
1496 |
case OPC_DIVU:
|
1497 |
gen_op_divu(); |
1498 |
opn = "divu";
|
1499 |
break;
|
1500 |
case OPC_MULT:
|
1501 |
gen_op_mult(); |
1502 |
opn = "mult";
|
1503 |
break;
|
1504 |
case OPC_MULTU:
|
1505 |
gen_op_multu(); |
1506 |
opn = "multu";
|
1507 |
break;
|
1508 |
#if defined(TARGET_MIPS64)
|
1509 |
case OPC_DDIV:
|
1510 |
gen_op_ddiv(); |
1511 |
opn = "ddiv";
|
1512 |
break;
|
1513 |
case OPC_DDIVU:
|
1514 |
gen_op_ddivu(); |
1515 |
opn = "ddivu";
|
1516 |
break;
|
1517 |
case OPC_DMULT:
|
1518 |
gen_op_dmult(); |
1519 |
opn = "dmult";
|
1520 |
break;
|
1521 |
case OPC_DMULTU:
|
1522 |
gen_op_dmultu(); |
1523 |
opn = "dmultu";
|
1524 |
break;
|
1525 |
#endif
|
1526 |
case OPC_MADD:
|
1527 |
gen_op_madd(); |
1528 |
opn = "madd";
|
1529 |
break;
|
1530 |
case OPC_MADDU:
|
1531 |
gen_op_maddu(); |
1532 |
opn = "maddu";
|
1533 |
break;
|
1534 |
case OPC_MSUB:
|
1535 |
gen_op_msub(); |
1536 |
opn = "msub";
|
1537 |
break;
|
1538 |
case OPC_MSUBU:
|
1539 |
gen_op_msubu(); |
1540 |
opn = "msubu";
|
1541 |
break;
|
1542 |
default:
|
1543 |
MIPS_INVAL(opn); |
1544 |
generate_exception(ctx, EXCP_RI); |
1545 |
return;
|
1546 |
} |
1547 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
1548 |
} |
1549 |
|
1550 |
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
1551 |
int rd, int rs, int rt) |
1552 |
{ |
1553 |
const char *opn = "mul vr54xx"; |
1554 |
|
1555 |
GEN_LOAD_REG_T0(rs); |
1556 |
GEN_LOAD_REG_T1(rt); |
1557 |
|
1558 |
switch (opc) {
|
1559 |
case OPC_VR54XX_MULS:
|
1560 |
gen_op_muls(); |
1561 |
opn = "muls";
|
1562 |
break;
|
1563 |
case OPC_VR54XX_MULSU:
|
1564 |
gen_op_mulsu(); |
1565 |
opn = "mulsu";
|
1566 |
break;
|
1567 |
case OPC_VR54XX_MACC:
|
1568 |
gen_op_macc(); |
1569 |
opn = "macc";
|
1570 |
break;
|
1571 |
case OPC_VR54XX_MACCU:
|
1572 |
gen_op_maccu(); |
1573 |
opn = "maccu";
|
1574 |
break;
|
1575 |
case OPC_VR54XX_MSAC:
|
1576 |
gen_op_msac(); |
1577 |
opn = "msac";
|
1578 |
break;
|
1579 |
case OPC_VR54XX_MSACU:
|
1580 |
gen_op_msacu(); |
1581 |
opn = "msacu";
|
1582 |
break;
|
1583 |
case OPC_VR54XX_MULHI:
|
1584 |
gen_op_mulhi(); |
1585 |
opn = "mulhi";
|
1586 |
break;
|
1587 |
case OPC_VR54XX_MULHIU:
|
1588 |
gen_op_mulhiu(); |
1589 |
opn = "mulhiu";
|
1590 |
break;
|
1591 |
case OPC_VR54XX_MULSHI:
|
1592 |
gen_op_mulshi(); |
1593 |
opn = "mulshi";
|
1594 |
break;
|
1595 |
case OPC_VR54XX_MULSHIU:
|
1596 |
gen_op_mulshiu(); |
1597 |
opn = "mulshiu";
|
1598 |
break;
|
1599 |
case OPC_VR54XX_MACCHI:
|
1600 |
gen_op_macchi(); |
1601 |
opn = "macchi";
|
1602 |
break;
|
1603 |
case OPC_VR54XX_MACCHIU:
|
1604 |
gen_op_macchiu(); |
1605 |
opn = "macchiu";
|
1606 |
break;
|
1607 |
case OPC_VR54XX_MSACHI:
|
1608 |
gen_op_msachi(); |
1609 |
opn = "msachi";
|
1610 |
break;
|
1611 |
case OPC_VR54XX_MSACHIU:
|
1612 |
gen_op_msachiu(); |
1613 |
opn = "msachiu";
|
1614 |
break;
|
1615 |
default:
|
1616 |
MIPS_INVAL("mul vr54xx");
|
1617 |
generate_exception(ctx, EXCP_RI); |
1618 |
return;
|
1619 |
} |
1620 |
GEN_STORE_T0_REG(rd); |
1621 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1622 |
} |
1623 |
|
1624 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
1625 |
int rd, int rs) |
1626 |
{ |
1627 |
const char *opn = "CLx"; |
1628 |
if (rd == 0) { |
1629 |
/* Treat as NOP. */
|
1630 |
MIPS_DEBUG("NOP");
|
1631 |
return;
|
1632 |
} |
1633 |
GEN_LOAD_REG_T0(rs); |
1634 |
switch (opc) {
|
1635 |
case OPC_CLO:
|
1636 |
gen_op_clo(); |
1637 |
opn = "clo";
|
1638 |
break;
|
1639 |
case OPC_CLZ:
|
1640 |
gen_op_clz(); |
1641 |
opn = "clz";
|
1642 |
break;
|
1643 |
#if defined(TARGET_MIPS64)
|
1644 |
case OPC_DCLO:
|
1645 |
gen_op_dclo(); |
1646 |
opn = "dclo";
|
1647 |
break;
|
1648 |
case OPC_DCLZ:
|
1649 |
gen_op_dclz(); |
1650 |
opn = "dclz";
|
1651 |
break;
|
1652 |
#endif
|
1653 |
default:
|
1654 |
MIPS_INVAL(opn); |
1655 |
generate_exception(ctx, EXCP_RI); |
1656 |
return;
|
1657 |
} |
1658 |
gen_op_store_T0_gpr(rd); |
1659 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
1660 |
} |
1661 |
|
1662 |
/* Traps */
|
1663 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
1664 |
int rs, int rt, int16_t imm) |
1665 |
{ |
1666 |
int cond;
|
1667 |
|
1668 |
cond = 0;
|
1669 |
/* Load needed operands */
|
1670 |
switch (opc) {
|
1671 |
case OPC_TEQ:
|
1672 |
case OPC_TGE:
|
1673 |
case OPC_TGEU:
|
1674 |
case OPC_TLT:
|
1675 |
case OPC_TLTU:
|
1676 |
case OPC_TNE:
|
1677 |
/* Compare two registers */
|
1678 |
if (rs != rt) {
|
1679 |
GEN_LOAD_REG_T0(rs); |
1680 |
GEN_LOAD_REG_T1(rt); |
1681 |
cond = 1;
|
1682 |
} |
1683 |
break;
|
1684 |
case OPC_TEQI:
|
1685 |
case OPC_TGEI:
|
1686 |
case OPC_TGEIU:
|
1687 |
case OPC_TLTI:
|
1688 |
case OPC_TLTIU:
|
1689 |
case OPC_TNEI:
|
1690 |
/* Compare register to immediate */
|
1691 |
if (rs != 0 || imm != 0) { |
1692 |
GEN_LOAD_REG_T0(rs); |
1693 |
GEN_LOAD_IMM_TN(T1, (int32_t)imm); |
1694 |
cond = 1;
|
1695 |
} |
1696 |
break;
|
1697 |
} |
1698 |
if (cond == 0) { |
1699 |
switch (opc) {
|
1700 |
case OPC_TEQ: /* rs == rs */ |
1701 |
case OPC_TEQI: /* r0 == 0 */ |
1702 |
case OPC_TGE: /* rs >= rs */ |
1703 |
case OPC_TGEI: /* r0 >= 0 */ |
1704 |
case OPC_TGEU: /* rs >= rs unsigned */ |
1705 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
1706 |
/* Always trap */
|
1707 |
gen_op_set_T0(1);
|
1708 |
break;
|
1709 |
case OPC_TLT: /* rs < rs */ |
1710 |
case OPC_TLTI: /* r0 < 0 */ |
1711 |
case OPC_TLTU: /* rs < rs unsigned */ |
1712 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
1713 |
case OPC_TNE: /* rs != rs */ |
1714 |
case OPC_TNEI: /* r0 != 0 */ |
1715 |
/* Never trap: treat as NOP. */
|
1716 |
return;
|
1717 |
default:
|
1718 |
MIPS_INVAL("trap");
|
1719 |
generate_exception(ctx, EXCP_RI); |
1720 |
return;
|
1721 |
} |
1722 |
} else {
|
1723 |
switch (opc) {
|
1724 |
case OPC_TEQ:
|
1725 |
case OPC_TEQI:
|
1726 |
gen_op_eq(); |
1727 |
break;
|
1728 |
case OPC_TGE:
|
1729 |
case OPC_TGEI:
|
1730 |
gen_op_ge(); |
1731 |
break;
|
1732 |
case OPC_TGEU:
|
1733 |
case OPC_TGEIU:
|
1734 |
gen_op_geu(); |
1735 |
break;
|
1736 |
case OPC_TLT:
|
1737 |
case OPC_TLTI:
|
1738 |
gen_op_lt(); |
1739 |
break;
|
1740 |
case OPC_TLTU:
|
1741 |
case OPC_TLTIU:
|
1742 |
gen_op_ltu(); |
1743 |
break;
|
1744 |
case OPC_TNE:
|
1745 |
case OPC_TNEI:
|
1746 |
gen_op_ne(); |
1747 |
break;
|
1748 |
default:
|
1749 |
MIPS_INVAL("trap");
|
1750 |
generate_exception(ctx, EXCP_RI); |
1751 |
return;
|
1752 |
} |
1753 |
} |
1754 |
save_cpu_state(ctx, 1);
|
1755 |
gen_op_trap(); |
1756 |
ctx->bstate = BS_STOP; |
1757 |
} |
1758 |
|
1759 |
static always_inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
1760 |
{ |
1761 |
TranslationBlock *tb; |
1762 |
tb = ctx->tb; |
1763 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
|
1764 |
tcg_gen_goto_tb(n); |
1765 |
gen_save_pc(dest); |
1766 |
tcg_gen_exit_tb((long)tb + n);
|
1767 |
} else {
|
1768 |
gen_save_pc(dest); |
1769 |
tcg_gen_exit_tb(0);
|
1770 |
} |
1771 |
} |
1772 |
|
1773 |
/* Branches (before delay slot) */
|
1774 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
1775 |
int rs, int rt, int32_t offset) |
1776 |
{ |
1777 |
target_ulong btarget = -1;
|
1778 |
int blink = 0; |
1779 |
int bcond = 0; |
1780 |
|
1781 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
1782 |
#ifdef MIPS_DEBUG_DISAS
|
1783 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
1784 |
fprintf(logfile, |
1785 |
"Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", |
1786 |
ctx->pc); |
1787 |
} |
1788 |
#endif
|
1789 |
generate_exception(ctx, EXCP_RI); |
1790 |
return;
|
1791 |
} |
1792 |
|
1793 |
/* Load needed operands */
|
1794 |
switch (opc) {
|
1795 |
case OPC_BEQ:
|
1796 |
case OPC_BEQL:
|
1797 |
case OPC_BNE:
|
1798 |
case OPC_BNEL:
|
1799 |
/* Compare two registers */
|
1800 |
if (rs != rt) {
|
1801 |
GEN_LOAD_REG_T0(rs); |
1802 |
GEN_LOAD_REG_T1(rt); |
1803 |
bcond = 1;
|
1804 |
} |
1805 |
btarget = ctx->pc + 4 + offset;
|
1806 |
break;
|
1807 |
case OPC_BGEZ:
|
1808 |
case OPC_BGEZAL:
|
1809 |
case OPC_BGEZALL:
|
1810 |
case OPC_BGEZL:
|
1811 |
case OPC_BGTZ:
|
1812 |
case OPC_BGTZL:
|
1813 |
case OPC_BLEZ:
|
1814 |
case OPC_BLEZL:
|
1815 |
case OPC_BLTZ:
|
1816 |
case OPC_BLTZAL:
|
1817 |
case OPC_BLTZALL:
|
1818 |
case OPC_BLTZL:
|
1819 |
/* Compare to zero */
|
1820 |
if (rs != 0) { |
1821 |
gen_op_load_gpr_T0(rs); |
1822 |
bcond = 1;
|
1823 |
} |
1824 |
btarget = ctx->pc + 4 + offset;
|
1825 |
break;
|
1826 |
case OPC_J:
|
1827 |
case OPC_JAL:
|
1828 |
/* Jump to immediate */
|
1829 |
btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; |
1830 |
break;
|
1831 |
case OPC_JR:
|
1832 |
case OPC_JALR:
|
1833 |
/* Jump to register */
|
1834 |
if (offset != 0 && offset != 16) { |
1835 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
1836 |
others are reserved. */
|
1837 |
MIPS_INVAL("jump hint");
|
1838 |
generate_exception(ctx, EXCP_RI); |
1839 |
return;
|
1840 |
} |
1841 |
GEN_LOAD_REG_T2(rs); |
1842 |
break;
|
1843 |
default:
|
1844 |
MIPS_INVAL("branch/jump");
|
1845 |
generate_exception(ctx, EXCP_RI); |
1846 |
return;
|
1847 |
} |
1848 |
if (bcond == 0) { |
1849 |
/* No condition to be computed */
|
1850 |
switch (opc) {
|
1851 |
case OPC_BEQ: /* rx == rx */ |
1852 |
case OPC_BEQL: /* rx == rx likely */ |
1853 |
case OPC_BGEZ: /* 0 >= 0 */ |
1854 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
1855 |
case OPC_BLEZ: /* 0 <= 0 */ |
1856 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
1857 |
/* Always take */
|
1858 |
ctx->hflags |= MIPS_HFLAG_B; |
1859 |
MIPS_DEBUG("balways");
|
1860 |
break;
|
1861 |
case OPC_BGEZAL: /* 0 >= 0 */ |
1862 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
1863 |
/* Always take and link */
|
1864 |
blink = 31;
|
1865 |
ctx->hflags |= MIPS_HFLAG_B; |
1866 |
MIPS_DEBUG("balways and link");
|
1867 |
break;
|
1868 |
case OPC_BNE: /* rx != rx */ |
1869 |
case OPC_BGTZ: /* 0 > 0 */ |
1870 |
case OPC_BLTZ: /* 0 < 0 */ |
1871 |
/* Treat as NOP. */
|
1872 |
MIPS_DEBUG("bnever (NOP)");
|
1873 |
return;
|
1874 |
case OPC_BLTZAL: /* 0 < 0 */ |
1875 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
1876 |
gen_op_store_T0_gpr(31);
|
1877 |
MIPS_DEBUG("bnever and link");
|
1878 |
return;
|
1879 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
1880 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
1881 |
gen_op_store_T0_gpr(31);
|
1882 |
/* Skip the instruction in the delay slot */
|
1883 |
MIPS_DEBUG("bnever, link and skip");
|
1884 |
ctx->pc += 4;
|
1885 |
return;
|
1886 |
case OPC_BNEL: /* rx != rx likely */ |
1887 |
case OPC_BGTZL: /* 0 > 0 likely */ |
1888 |
case OPC_BLTZL: /* 0 < 0 likely */ |
1889 |
/* Skip the instruction in the delay slot */
|
1890 |
MIPS_DEBUG("bnever and skip");
|
1891 |
ctx->pc += 4;
|
1892 |
return;
|
1893 |
case OPC_J:
|
1894 |
ctx->hflags |= MIPS_HFLAG_B; |
1895 |
MIPS_DEBUG("j " TARGET_FMT_lx, btarget);
|
1896 |
break;
|
1897 |
case OPC_JAL:
|
1898 |
blink = 31;
|
1899 |
ctx->hflags |= MIPS_HFLAG_B; |
1900 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btarget);
|
1901 |
break;
|
1902 |
case OPC_JR:
|
1903 |
ctx->hflags |= MIPS_HFLAG_BR; |
1904 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
1905 |
break;
|
1906 |
case OPC_JALR:
|
1907 |
blink = rt; |
1908 |
ctx->hflags |= MIPS_HFLAG_BR; |
1909 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
1910 |
break;
|
1911 |
default:
|
1912 |
MIPS_INVAL("branch/jump");
|
1913 |
generate_exception(ctx, EXCP_RI); |
1914 |
return;
|
1915 |
} |
1916 |
} else {
|
1917 |
switch (opc) {
|
1918 |
case OPC_BEQ:
|
1919 |
gen_op_eq(); |
1920 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
1921 |
regnames[rs], regnames[rt], btarget); |
1922 |
goto not_likely;
|
1923 |
case OPC_BEQL:
|
1924 |
gen_op_eq(); |
1925 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
1926 |
regnames[rs], regnames[rt], btarget); |
1927 |
goto likely;
|
1928 |
case OPC_BNE:
|
1929 |
gen_op_ne(); |
1930 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
1931 |
regnames[rs], regnames[rt], btarget); |
1932 |
goto not_likely;
|
1933 |
case OPC_BNEL:
|
1934 |
gen_op_ne(); |
1935 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
1936 |
regnames[rs], regnames[rt], btarget); |
1937 |
goto likely;
|
1938 |
case OPC_BGEZ:
|
1939 |
gen_op_gez(); |
1940 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1941 |
goto not_likely;
|
1942 |
case OPC_BGEZL:
|
1943 |
gen_op_gez(); |
1944 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1945 |
goto likely;
|
1946 |
case OPC_BGEZAL:
|
1947 |
gen_op_gez(); |
1948 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1949 |
blink = 31;
|
1950 |
goto not_likely;
|
1951 |
case OPC_BGEZALL:
|
1952 |
gen_op_gez(); |
1953 |
blink = 31;
|
1954 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1955 |
goto likely;
|
1956 |
case OPC_BGTZ:
|
1957 |
gen_op_gtz(); |
1958 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1959 |
goto not_likely;
|
1960 |
case OPC_BGTZL:
|
1961 |
gen_op_gtz(); |
1962 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1963 |
goto likely;
|
1964 |
case OPC_BLEZ:
|
1965 |
gen_op_lez(); |
1966 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1967 |
goto not_likely;
|
1968 |
case OPC_BLEZL:
|
1969 |
gen_op_lez(); |
1970 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1971 |
goto likely;
|
1972 |
case OPC_BLTZ:
|
1973 |
gen_op_ltz(); |
1974 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1975 |
goto not_likely;
|
1976 |
case OPC_BLTZL:
|
1977 |
gen_op_ltz(); |
1978 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1979 |
goto likely;
|
1980 |
case OPC_BLTZAL:
|
1981 |
gen_op_ltz(); |
1982 |
blink = 31;
|
1983 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1984 |
not_likely:
|
1985 |
ctx->hflags |= MIPS_HFLAG_BC; |
1986 |
gen_op_set_bcond(); |
1987 |
break;
|
1988 |
case OPC_BLTZALL:
|
1989 |
gen_op_ltz(); |
1990 |
blink = 31;
|
1991 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1992 |
likely:
|
1993 |
ctx->hflags |= MIPS_HFLAG_BL; |
1994 |
gen_op_set_bcond(); |
1995 |
gen_op_save_bcond(); |
1996 |
break;
|
1997 |
default:
|
1998 |
MIPS_INVAL("conditional branch/jump");
|
1999 |
generate_exception(ctx, EXCP_RI); |
2000 |
return;
|
2001 |
} |
2002 |
} |
2003 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
2004 |
blink, ctx->hflags, btarget); |
2005 |
|
2006 |
ctx->btarget = btarget; |
2007 |
if (blink > 0) { |
2008 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
2009 |
gen_op_store_T0_gpr(blink); |
2010 |
} |
2011 |
} |
2012 |
|
2013 |
/* special3 bitfield operations */
|
2014 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
2015 |
int rs, int lsb, int msb) |
2016 |
{ |
2017 |
GEN_LOAD_REG_T1(rs); |
2018 |
switch (opc) {
|
2019 |
case OPC_EXT:
|
2020 |
if (lsb + msb > 31) |
2021 |
goto fail;
|
2022 |
gen_op_ext(lsb, msb + 1);
|
2023 |
break;
|
2024 |
#if defined(TARGET_MIPS64)
|
2025 |
case OPC_DEXTM:
|
2026 |
if (lsb + msb > 63) |
2027 |
goto fail;
|
2028 |
gen_op_dext(lsb, msb + 1 + 32); |
2029 |
break;
|
2030 |
case OPC_DEXTU:
|
2031 |
if (lsb + msb > 63) |
2032 |
goto fail;
|
2033 |
gen_op_dext(lsb + 32, msb + 1); |
2034 |
break;
|
2035 |
case OPC_DEXT:
|
2036 |
if (lsb + msb > 63) |
2037 |
goto fail;
|
2038 |
gen_op_dext(lsb, msb + 1);
|
2039 |
break;
|
2040 |
#endif
|
2041 |
case OPC_INS:
|
2042 |
if (lsb > msb)
|
2043 |
goto fail;
|
2044 |
GEN_LOAD_REG_T0(rt); |
2045 |
gen_op_ins(lsb, msb - lsb + 1);
|
2046 |
break;
|
2047 |
#if defined(TARGET_MIPS64)
|
2048 |
case OPC_DINSM:
|
2049 |
if (lsb > msb)
|
2050 |
goto fail;
|
2051 |
GEN_LOAD_REG_T0(rt); |
2052 |
gen_op_dins(lsb, msb - lsb + 1 + 32); |
2053 |
break;
|
2054 |
case OPC_DINSU:
|
2055 |
if (lsb > msb)
|
2056 |
goto fail;
|
2057 |
GEN_LOAD_REG_T0(rt); |
2058 |
gen_op_dins(lsb + 32, msb - lsb + 1); |
2059 |
break;
|
2060 |
case OPC_DINS:
|
2061 |
if (lsb > msb)
|
2062 |
goto fail;
|
2063 |
GEN_LOAD_REG_T0(rt); |
2064 |
gen_op_dins(lsb, msb - lsb + 1);
|
2065 |
break;
|
2066 |
#endif
|
2067 |
default:
|
2068 |
fail:
|
2069 |
MIPS_INVAL("bitops");
|
2070 |
generate_exception(ctx, EXCP_RI); |
2071 |
return;
|
2072 |
} |
2073 |
GEN_STORE_T0_REG(rt); |
2074 |
} |
2075 |
|
2076 |
/* CP0 (MMU and control) */
|
2077 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
2078 |
{ |
2079 |
const char *rn = "invalid"; |
2080 |
|
2081 |
if (sel != 0) |
2082 |
check_insn(env, ctx, ISA_MIPS32); |
2083 |
|
2084 |
switch (reg) {
|
2085 |
case 0: |
2086 |
switch (sel) {
|
2087 |
case 0: |
2088 |
gen_op_mfc0_index(); |
2089 |
rn = "Index";
|
2090 |
break;
|
2091 |
case 1: |
2092 |
check_insn(env, ctx, ASE_MT); |
2093 |
gen_op_mfc0_mvpcontrol(); |
2094 |
rn = "MVPControl";
|
2095 |
break;
|
2096 |
case 2: |
2097 |
check_insn(env, ctx, ASE_MT); |
2098 |
gen_op_mfc0_mvpconf0(); |
2099 |
rn = "MVPConf0";
|
2100 |
break;
|
2101 |
case 3: |
2102 |
check_insn(env, ctx, ASE_MT); |
2103 |
gen_op_mfc0_mvpconf1(); |
2104 |
rn = "MVPConf1";
|
2105 |
break;
|
2106 |
default:
|
2107 |
goto die;
|
2108 |
} |
2109 |
break;
|
2110 |
case 1: |
2111 |
switch (sel) {
|
2112 |
case 0: |
2113 |
gen_op_mfc0_random(); |
2114 |
rn = "Random";
|
2115 |
break;
|
2116 |
case 1: |
2117 |
check_insn(env, ctx, ASE_MT); |
2118 |
gen_op_mfc0_vpecontrol(); |
2119 |
rn = "VPEControl";
|
2120 |
break;
|
2121 |
case 2: |
2122 |
check_insn(env, ctx, ASE_MT); |
2123 |
gen_op_mfc0_vpeconf0(); |
2124 |
rn = "VPEConf0";
|
2125 |
break;
|
2126 |
case 3: |
2127 |
check_insn(env, ctx, ASE_MT); |
2128 |
gen_op_mfc0_vpeconf1(); |
2129 |
rn = "VPEConf1";
|
2130 |
break;
|
2131 |
case 4: |
2132 |
check_insn(env, ctx, ASE_MT); |
2133 |
gen_op_mfc0_yqmask(); |
2134 |
rn = "YQMask";
|
2135 |
break;
|
2136 |
case 5: |
2137 |
check_insn(env, ctx, ASE_MT); |
2138 |
gen_op_mfc0_vpeschedule(); |
2139 |
rn = "VPESchedule";
|
2140 |
break;
|
2141 |
case 6: |
2142 |
check_insn(env, ctx, ASE_MT); |
2143 |
gen_op_mfc0_vpeschefback(); |
2144 |
rn = "VPEScheFBack";
|
2145 |
break;
|
2146 |
case 7: |
2147 |
check_insn(env, ctx, ASE_MT); |
2148 |
gen_op_mfc0_vpeopt(); |
2149 |
rn = "VPEOpt";
|
2150 |
break;
|
2151 |
default:
|
2152 |
goto die;
|
2153 |
} |
2154 |
break;
|
2155 |
case 2: |
2156 |
switch (sel) {
|
2157 |
case 0: |
2158 |
gen_op_mfc0_entrylo0(); |
2159 |
rn = "EntryLo0";
|
2160 |
break;
|
2161 |
case 1: |
2162 |
check_insn(env, ctx, ASE_MT); |
2163 |
gen_op_mfc0_tcstatus(); |
2164 |
rn = "TCStatus";
|
2165 |
break;
|
2166 |
case 2: |
2167 |
check_insn(env, ctx, ASE_MT); |
2168 |
gen_op_mfc0_tcbind(); |
2169 |
rn = "TCBind";
|
2170 |
break;
|
2171 |
case 3: |
2172 |
check_insn(env, ctx, ASE_MT); |
2173 |
gen_op_mfc0_tcrestart(); |
2174 |
rn = "TCRestart";
|
2175 |
break;
|
2176 |
case 4: |
2177 |
check_insn(env, ctx, ASE_MT); |
2178 |
gen_op_mfc0_tchalt(); |
2179 |
rn = "TCHalt";
|
2180 |
break;
|
2181 |
case 5: |
2182 |
check_insn(env, ctx, ASE_MT); |
2183 |
gen_op_mfc0_tccontext(); |
2184 |
rn = "TCContext";
|
2185 |
break;
|
2186 |
case 6: |
2187 |
check_insn(env, ctx, ASE_MT); |
2188 |
gen_op_mfc0_tcschedule(); |
2189 |
rn = "TCSchedule";
|
2190 |
break;
|
2191 |
case 7: |
2192 |
check_insn(env, ctx, ASE_MT); |
2193 |
gen_op_mfc0_tcschefback(); |
2194 |
rn = "TCScheFBack";
|
2195 |
break;
|
2196 |
default:
|
2197 |
goto die;
|
2198 |
} |
2199 |
break;
|
2200 |
case 3: |
2201 |
switch (sel) {
|
2202 |
case 0: |
2203 |
gen_op_mfc0_entrylo1(); |
2204 |
rn = "EntryLo1";
|
2205 |
break;
|
2206 |
default:
|
2207 |
goto die;
|
2208 |
} |
2209 |
break;
|
2210 |
case 4: |
2211 |
switch (sel) {
|
2212 |
case 0: |
2213 |
gen_op_mfc0_context(); |
2214 |
rn = "Context";
|
2215 |
break;
|
2216 |
case 1: |
2217 |
// gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
|
2218 |
rn = "ContextConfig";
|
2219 |
// break;
|
2220 |
default:
|
2221 |
goto die;
|
2222 |
} |
2223 |
break;
|
2224 |
case 5: |
2225 |
switch (sel) {
|
2226 |
case 0: |
2227 |
gen_op_mfc0_pagemask(); |
2228 |
rn = "PageMask";
|
2229 |
break;
|
2230 |
case 1: |
2231 |
check_insn(env, ctx, ISA_MIPS32R2); |
2232 |
gen_op_mfc0_pagegrain(); |
2233 |
rn = "PageGrain";
|
2234 |
break;
|
2235 |
default:
|
2236 |
goto die;
|
2237 |
} |
2238 |
break;
|
2239 |
case 6: |
2240 |
switch (sel) {
|
2241 |
case 0: |
2242 |
gen_op_mfc0_wired(); |
2243 |
rn = "Wired";
|
2244 |
break;
|
2245 |
case 1: |
2246 |
check_insn(env, ctx, ISA_MIPS32R2); |
2247 |
gen_op_mfc0_srsconf0(); |
2248 |
rn = "SRSConf0";
|
2249 |
break;
|
2250 |
case 2: |
2251 |
check_insn(env, ctx, ISA_MIPS32R2); |
2252 |
gen_op_mfc0_srsconf1(); |
2253 |
rn = "SRSConf1";
|
2254 |
break;
|
2255 |
case 3: |
2256 |
check_insn(env, ctx, ISA_MIPS32R2); |
2257 |
gen_op_mfc0_srsconf2(); |
2258 |
rn = "SRSConf2";
|
2259 |
break;
|
2260 |
case 4: |
2261 |
check_insn(env, ctx, ISA_MIPS32R2); |
2262 |
gen_op_mfc0_srsconf3(); |
2263 |
rn = "SRSConf3";
|
2264 |
break;
|
2265 |
case 5: |
2266 |
check_insn(env, ctx, ISA_MIPS32R2); |
2267 |
gen_op_mfc0_srsconf4(); |
2268 |
rn = "SRSConf4";
|
2269 |
break;
|
2270 |
default:
|
2271 |
goto die;
|
2272 |
} |
2273 |
break;
|
2274 |
case 7: |
2275 |
switch (sel) {
|
2276 |
case 0: |
2277 |
check_insn(env, ctx, ISA_MIPS32R2); |
2278 |
gen_op_mfc0_hwrena(); |
2279 |
rn = "HWREna";
|
2280 |
break;
|
2281 |
default:
|
2282 |
goto die;
|
2283 |
} |
2284 |
break;
|
2285 |
case 8: |
2286 |
switch (sel) {
|
2287 |
case 0: |
2288 |
gen_op_mfc0_badvaddr(); |
2289 |
rn = "BadVaddr";
|
2290 |
break;
|
2291 |
default:
|
2292 |
goto die;
|
2293 |
} |
2294 |
break;
|
2295 |
case 9: |
2296 |
switch (sel) {
|
2297 |
case 0: |
2298 |
gen_op_mfc0_count(); |
2299 |
rn = "Count";
|
2300 |
break;
|
2301 |
/* 6,7 are implementation dependent */
|
2302 |
default:
|
2303 |
goto die;
|
2304 |
} |
2305 |
break;
|
2306 |
case 10: |
2307 |
switch (sel) {
|
2308 |
case 0: |
2309 |
gen_op_mfc0_entryhi(); |
2310 |
rn = "EntryHi";
|
2311 |
break;
|
2312 |
default:
|
2313 |
goto die;
|
2314 |
} |
2315 |
break;
|
2316 |
case 11: |
2317 |
switch (sel) {
|
2318 |
case 0: |
2319 |
gen_op_mfc0_compare(); |
2320 |
rn = "Compare";
|
2321 |
break;
|
2322 |
/* 6,7 are implementation dependent */
|
2323 |
default:
|
2324 |
goto die;
|
2325 |
} |
2326 |
break;
|
2327 |
case 12: |
2328 |
switch (sel) {
|
2329 |
case 0: |
2330 |
gen_op_mfc0_status(); |
2331 |
rn = "Status";
|
2332 |
break;
|
2333 |
case 1: |
2334 |
check_insn(env, ctx, ISA_MIPS32R2); |
2335 |
gen_op_mfc0_intctl(); |
2336 |
rn = "IntCtl";
|
2337 |
break;
|
2338 |
case 2: |
2339 |
check_insn(env, ctx, ISA_MIPS32R2); |
2340 |
gen_op_mfc0_srsctl(); |
2341 |
rn = "SRSCtl";
|
2342 |
break;
|
2343 |
case 3: |
2344 |
check_insn(env, ctx, ISA_MIPS32R2); |
2345 |
gen_op_mfc0_srsmap(); |
2346 |
rn = "SRSMap";
|
2347 |
break;
|
2348 |
default:
|
2349 |
goto die;
|
2350 |
} |
2351 |
break;
|
2352 |
case 13: |
2353 |
switch (sel) {
|
2354 |
case 0: |
2355 |
gen_op_mfc0_cause(); |
2356 |
rn = "Cause";
|
2357 |
break;
|
2358 |
default:
|
2359 |
goto die;
|
2360 |
} |
2361 |
break;
|
2362 |
case 14: |
2363 |
switch (sel) {
|
2364 |
case 0: |
2365 |
gen_op_mfc0_epc(); |
2366 |
rn = "EPC";
|
2367 |
break;
|
2368 |
default:
|
2369 |
goto die;
|
2370 |
} |
2371 |
break;
|
2372 |
case 15: |
2373 |
switch (sel) {
|
2374 |
case 0: |
2375 |
gen_op_mfc0_prid(); |
2376 |
rn = "PRid";
|
2377 |
break;
|
2378 |
case 1: |
2379 |
check_insn(env, ctx, ISA_MIPS32R2); |
2380 |
gen_op_mfc0_ebase(); |
2381 |
rn = "EBase";
|
2382 |
break;
|
2383 |
default:
|
2384 |
goto die;
|
2385 |
} |
2386 |
break;
|
2387 |
case 16: |
2388 |
switch (sel) {
|
2389 |
case 0: |
2390 |
gen_op_mfc0_config0(); |
2391 |
rn = "Config";
|
2392 |
break;
|
2393 |
case 1: |
2394 |
gen_op_mfc0_config1(); |
2395 |
rn = "Config1";
|
2396 |
break;
|
2397 |
case 2: |
2398 |
gen_op_mfc0_config2(); |
2399 |
rn = "Config2";
|
2400 |
break;
|
2401 |
case 3: |
2402 |
gen_op_mfc0_config3(); |
2403 |
rn = "Config3";
|
2404 |
break;
|
2405 |
/* 4,5 are reserved */
|
2406 |
/* 6,7 are implementation dependent */
|
2407 |
case 6: |
2408 |
gen_op_mfc0_config6(); |
2409 |
rn = "Config6";
|
2410 |
break;
|
2411 |
case 7: |
2412 |
gen_op_mfc0_config7(); |
2413 |
rn = "Config7";
|
2414 |
break;
|
2415 |
default:
|
2416 |
goto die;
|
2417 |
} |
2418 |
break;
|
2419 |
case 17: |
2420 |
switch (sel) {
|
2421 |
case 0: |
2422 |
gen_op_mfc0_lladdr(); |
2423 |
rn = "LLAddr";
|
2424 |
break;
|
2425 |
default:
|
2426 |
goto die;
|
2427 |
} |
2428 |
break;
|
2429 |
case 18: |
2430 |
switch (sel) {
|
2431 |
case 0 ... 7: |
2432 |
gen_op_mfc0_watchlo(sel); |
2433 |
rn = "WatchLo";
|
2434 |
break;
|
2435 |
default:
|
2436 |
goto die;
|
2437 |
} |
2438 |
break;
|
2439 |
case 19: |
2440 |
switch (sel) {
|
2441 |
case 0 ...7: |
2442 |
gen_op_mfc0_watchhi(sel); |
2443 |
rn = "WatchHi";
|
2444 |
break;
|
2445 |
default:
|
2446 |
goto die;
|
2447 |
} |
2448 |
break;
|
2449 |
case 20: |
2450 |
switch (sel) {
|
2451 |
case 0: |
2452 |
#if defined(TARGET_MIPS64)
|
2453 |
check_insn(env, ctx, ISA_MIPS3); |
2454 |
gen_op_mfc0_xcontext(); |
2455 |
rn = "XContext";
|
2456 |
break;
|
2457 |
#endif
|
2458 |
default:
|
2459 |
goto die;
|
2460 |
} |
2461 |
break;
|
2462 |
case 21: |
2463 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
2464 |
switch (sel) {
|
2465 |
case 0: |
2466 |
gen_op_mfc0_framemask(); |
2467 |
rn = "Framemask";
|
2468 |
break;
|
2469 |
default:
|
2470 |
goto die;
|
2471 |
} |
2472 |
break;
|
2473 |
case 22: |
2474 |
/* ignored */
|
2475 |
rn = "'Diagnostic"; /* implementation dependent */ |
2476 |
break;
|
2477 |
case 23: |
2478 |
switch (sel) {
|
2479 |
case 0: |
2480 |
gen_op_mfc0_debug(); /* EJTAG support */
|
2481 |
rn = "Debug";
|
2482 |
break;
|
2483 |
case 1: |
2484 |
// gen_op_mfc0_tracecontrol(); /* PDtrace support */
|
2485 |
rn = "TraceControl";
|
2486 |
// break;
|
2487 |
case 2: |
2488 |
// gen_op_mfc0_tracecontrol2(); /* PDtrace support */
|
2489 |
rn = "TraceControl2";
|
2490 |
// break;
|
2491 |
case 3: |
2492 |
// gen_op_mfc0_usertracedata(); /* PDtrace support */
|
2493 |
rn = "UserTraceData";
|
2494 |
// break;
|
2495 |
case 4: |
2496 |
// gen_op_mfc0_debug(); /* PDtrace support */
|
2497 |
rn = "TraceBPC";
|
2498 |
// break;
|
2499 |
default:
|
2500 |
goto die;
|
2501 |
} |
2502 |
break;
|
2503 |
case 24: |
2504 |
switch (sel) {
|
2505 |
case 0: |
2506 |
gen_op_mfc0_depc(); /* EJTAG support */
|
2507 |
rn = "DEPC";
|
2508 |
break;
|
2509 |
default:
|
2510 |
goto die;
|
2511 |
} |
2512 |
break;
|
2513 |
case 25: |
2514 |
switch (sel) {
|
2515 |
case 0: |
2516 |
gen_op_mfc0_performance0(); |
2517 |
rn = "Performance0";
|
2518 |
break;
|
2519 |
case 1: |
2520 |
// gen_op_mfc0_performance1();
|
2521 |
rn = "Performance1";
|
2522 |
// break;
|
2523 |
case 2: |
2524 |
// gen_op_mfc0_performance2();
|
2525 |
rn = "Performance2";
|
2526 |
// break;
|
2527 |
case 3: |
2528 |
// gen_op_mfc0_performance3();
|
2529 |
rn = "Performance3";
|
2530 |
// break;
|
2531 |
case 4: |
2532 |
// gen_op_mfc0_performance4();
|
2533 |
rn = "Performance4";
|
2534 |
// break;
|
2535 |
case 5: |
2536 |
// gen_op_mfc0_performance5();
|
2537 |
rn = "Performance5";
|
2538 |
// break;
|
2539 |
case 6: |
2540 |
// gen_op_mfc0_performance6();
|
2541 |
rn = "Performance6";
|
2542 |
// break;
|
2543 |
case 7: |
2544 |
// gen_op_mfc0_performance7();
|
2545 |
rn = "Performance7";
|
2546 |
// break;
|
2547 |
default:
|
2548 |
goto die;
|
2549 |
} |
2550 |
break;
|
2551 |
case 26: |
2552 |
rn = "ECC";
|
2553 |
break;
|
2554 |
case 27: |
2555 |
switch (sel) {
|
2556 |
/* ignored */
|
2557 |
case 0 ... 3: |
2558 |
rn = "CacheErr";
|
2559 |
break;
|
2560 |
default:
|
2561 |
goto die;
|
2562 |
} |
2563 |
break;
|
2564 |
case 28: |
2565 |
switch (sel) {
|
2566 |
case 0: |
2567 |
case 2: |
2568 |
case 4: |
2569 |
case 6: |
2570 |
gen_op_mfc0_taglo(); |
2571 |
rn = "TagLo";
|
2572 |
break;
|
2573 |
case 1: |
2574 |
case 3: |
2575 |
case 5: |
2576 |
case 7: |
2577 |
gen_op_mfc0_datalo(); |
2578 |
rn = "DataLo";
|
2579 |
break;
|
2580 |
default:
|
2581 |
goto die;
|
2582 |
} |
2583 |
break;
|
2584 |
case 29: |
2585 |
switch (sel) {
|
2586 |
case 0: |
2587 |
case 2: |
2588 |
case 4: |
2589 |
case 6: |
2590 |
gen_op_mfc0_taghi(); |
2591 |
rn = "TagHi";
|
2592 |
break;
|
2593 |
case 1: |
2594 |
case 3: |
2595 |
case 5: |
2596 |
case 7: |
2597 |
gen_op_mfc0_datahi(); |
2598 |
rn = "DataHi";
|
2599 |
break;
|
2600 |
default:
|
2601 |
goto die;
|
2602 |
} |
2603 |
break;
|
2604 |
case 30: |
2605 |
switch (sel) {
|
2606 |
case 0: |
2607 |
gen_op_mfc0_errorepc(); |
2608 |
rn = "ErrorEPC";
|
2609 |
break;
|
2610 |
default:
|
2611 |
goto die;
|
2612 |
} |
2613 |
break;
|
2614 |
case 31: |
2615 |
switch (sel) {
|
2616 |
case 0: |
2617 |
gen_op_mfc0_desave(); /* EJTAG support */
|
2618 |
rn = "DESAVE";
|
2619 |
break;
|
2620 |
default:
|
2621 |
goto die;
|
2622 |
} |
2623 |
break;
|
2624 |
default:
|
2625 |
goto die;
|
2626 |
} |
2627 |
#if defined MIPS_DEBUG_DISAS
|
2628 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2629 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
2630 |
rn, reg, sel); |
2631 |
} |
2632 |
#endif
|
2633 |
return;
|
2634 |
|
2635 |
die:
|
2636 |
#if defined MIPS_DEBUG_DISAS
|
2637 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2638 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
2639 |
rn, reg, sel); |
2640 |
} |
2641 |
#endif
|
2642 |
generate_exception(ctx, EXCP_RI); |
2643 |
} |
2644 |
|
2645 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
2646 |
{ |
2647 |
const char *rn = "invalid"; |
2648 |
|
2649 |
if (sel != 0) |
2650 |
check_insn(env, ctx, ISA_MIPS32); |
2651 |
|
2652 |
switch (reg) {
|
2653 |
case 0: |
2654 |
switch (sel) {
|
2655 |
case 0: |
2656 |
gen_op_mtc0_index(); |
2657 |
rn = "Index";
|
2658 |
break;
|
2659 |
case 1: |
2660 |
check_insn(env, ctx, ASE_MT); |
2661 |
gen_op_mtc0_mvpcontrol(); |
2662 |
rn = "MVPControl";
|
2663 |
break;
|
2664 |
case 2: |
2665 |
check_insn(env, ctx, ASE_MT); |
2666 |
/* ignored */
|
2667 |
rn = "MVPConf0";
|
2668 |
break;
|
2669 |
case 3: |
2670 |
check_insn(env, ctx, ASE_MT); |
2671 |
/* ignored */
|
2672 |
rn = "MVPConf1";
|
2673 |
break;
|
2674 |
default:
|
2675 |
goto die;
|
2676 |
} |
2677 |
break;
|
2678 |
case 1: |
2679 |
switch (sel) {
|
2680 |
case 0: |
2681 |
/* ignored */
|
2682 |
rn = "Random";
|
2683 |
break;
|
2684 |
case 1: |
2685 |
check_insn(env, ctx, ASE_MT); |
2686 |
gen_op_mtc0_vpecontrol(); |
2687 |
rn = "VPEControl";
|
2688 |
break;
|
2689 |
case 2: |
2690 |
check_insn(env, ctx, ASE_MT); |
2691 |
gen_op_mtc0_vpeconf0(); |
2692 |
rn = "VPEConf0";
|
2693 |
break;
|
2694 |
case 3: |
2695 |
check_insn(env, ctx, ASE_MT); |
2696 |
gen_op_mtc0_vpeconf1(); |
2697 |
rn = "VPEConf1";
|
2698 |
break;
|
2699 |
case 4: |
2700 |
check_insn(env, ctx, ASE_MT); |
2701 |
gen_op_mtc0_yqmask(); |
2702 |
rn = "YQMask";
|
2703 |
break;
|
2704 |
case 5: |
2705 |
check_insn(env, ctx, ASE_MT); |
2706 |
gen_op_mtc0_vpeschedule(); |
2707 |
rn = "VPESchedule";
|
2708 |
break;
|
2709 |
case 6: |
2710 |
check_insn(env, ctx, ASE_MT); |
2711 |
gen_op_mtc0_vpeschefback(); |
2712 |
rn = "VPEScheFBack";
|
2713 |
break;
|
2714 |
case 7: |
2715 |
check_insn(env, ctx, ASE_MT); |
2716 |
gen_op_mtc0_vpeopt(); |
2717 |
rn = "VPEOpt";
|
2718 |
break;
|
2719 |
default:
|
2720 |
goto die;
|
2721 |
} |
2722 |
break;
|
2723 |
case 2: |
2724 |
switch (sel) {
|
2725 |
case 0: |
2726 |
gen_op_mtc0_entrylo0(); |
2727 |
rn = "EntryLo0";
|
2728 |
break;
|
2729 |
case 1: |
2730 |
check_insn(env, ctx, ASE_MT); |
2731 |
gen_op_mtc0_tcstatus(); |
2732 |
rn = "TCStatus";
|
2733 |
break;
|
2734 |
case 2: |
2735 |
check_insn(env, ctx, ASE_MT); |
2736 |
gen_op_mtc0_tcbind(); |
2737 |
rn = "TCBind";
|
2738 |
break;
|
2739 |
case 3: |
2740 |
check_insn(env, ctx, ASE_MT); |
2741 |
gen_op_mtc0_tcrestart(); |
2742 |
rn = "TCRestart";
|
2743 |
break;
|
2744 |
case 4: |
2745 |
check_insn(env, ctx, ASE_MT); |
2746 |
gen_op_mtc0_tchalt(); |
2747 |
rn = "TCHalt";
|
2748 |
break;
|
2749 |
case 5: |
2750 |
check_insn(env, ctx, ASE_MT); |
2751 |
gen_op_mtc0_tccontext(); |
2752 |
rn = "TCContext";
|
2753 |
break;
|
2754 |
case 6: |
2755 |
check_insn(env, ctx, ASE_MT); |
2756 |
gen_op_mtc0_tcschedule(); |
2757 |
rn = "TCSchedule";
|
2758 |
break;
|
2759 |
case 7: |
2760 |
check_insn(env, ctx, ASE_MT); |
2761 |
gen_op_mtc0_tcschefback(); |
2762 |
rn = "TCScheFBack";
|
2763 |
break;
|
2764 |
default:
|
2765 |
goto die;
|
2766 |
} |
2767 |
break;
|
2768 |
case 3: |
2769 |
switch (sel) {
|
2770 |
case 0: |
2771 |
gen_op_mtc0_entrylo1(); |
2772 |
rn = "EntryLo1";
|
2773 |
break;
|
2774 |
default:
|
2775 |
goto die;
|
2776 |
} |
2777 |
break;
|
2778 |
case 4: |
2779 |
switch (sel) {
|
2780 |
case 0: |
2781 |
gen_op_mtc0_context(); |
2782 |
rn = "Context";
|
2783 |
break;
|
2784 |
case 1: |
2785 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
2786 |
rn = "ContextConfig";
|
2787 |
// break;
|
2788 |
default:
|
2789 |
goto die;
|
2790 |
} |
2791 |
break;
|
2792 |
case 5: |
2793 |
switch (sel) {
|
2794 |
case 0: |
2795 |
gen_op_mtc0_pagemask(); |
2796 |
rn = "PageMask";
|
2797 |
break;
|
2798 |
case 1: |
2799 |
check_insn(env, ctx, ISA_MIPS32R2); |
2800 |
gen_op_mtc0_pagegrain(); |
2801 |
rn = "PageGrain";
|
2802 |
break;
|
2803 |
default:
|
2804 |
goto die;
|
2805 |
} |
2806 |
break;
|
2807 |
case 6: |
2808 |
switch (sel) {
|
2809 |
case 0: |
2810 |
gen_op_mtc0_wired(); |
2811 |
rn = "Wired";
|
2812 |
break;
|
2813 |
case 1: |
2814 |
check_insn(env, ctx, ISA_MIPS32R2); |
2815 |
gen_op_mtc0_srsconf0(); |
2816 |
rn = "SRSConf0";
|
2817 |
break;
|
2818 |
case 2: |
2819 |
check_insn(env, ctx, ISA_MIPS32R2); |
2820 |
gen_op_mtc0_srsconf1(); |
2821 |
rn = "SRSConf1";
|
2822 |
break;
|
2823 |
case 3: |
2824 |
check_insn(env, ctx, ISA_MIPS32R2); |
2825 |
gen_op_mtc0_srsconf2(); |
2826 |
rn = "SRSConf2";
|
2827 |
break;
|
2828 |
case 4: |
2829 |
check_insn(env, ctx, ISA_MIPS32R2); |
2830 |
gen_op_mtc0_srsconf3(); |
2831 |
rn = "SRSConf3";
|
2832 |
break;
|
2833 |
case 5: |
2834 |
check_insn(env, ctx, ISA_MIPS32R2); |
2835 |
gen_op_mtc0_srsconf4(); |
2836 |
rn = "SRSConf4";
|
2837 |
break;
|
2838 |
default:
|
2839 |
goto die;
|
2840 |
} |
2841 |
break;
|
2842 |
case 7: |
2843 |
switch (sel) {
|
2844 |
case 0: |
2845 |
check_insn(env, ctx, ISA_MIPS32R2); |
2846 |
gen_op_mtc0_hwrena(); |
2847 |
rn = "HWREna";
|
2848 |
break;
|
2849 |
default:
|
2850 |
goto die;
|
2851 |
} |
2852 |
break;
|
2853 |
case 8: |
2854 |
/* ignored */
|
2855 |
rn = "BadVaddr";
|
2856 |
break;
|
2857 |
case 9: |
2858 |
switch (sel) {
|
2859 |
case 0: |
2860 |
gen_op_mtc0_count(); |
2861 |
rn = "Count";
|
2862 |
break;
|
2863 |
/* 6,7 are implementation dependent */
|
2864 |
default:
|
2865 |
goto die;
|
2866 |
} |
2867 |
/* Stop translation as we may have switched the execution mode */
|
2868 |
ctx->bstate = BS_STOP; |
2869 |
break;
|
2870 |
case 10: |
2871 |
switch (sel) {
|
2872 |
case 0: |
2873 |
gen_op_mtc0_entryhi(); |
2874 |
rn = "EntryHi";
|
2875 |
break;
|
2876 |
default:
|
2877 |
goto die;
|
2878 |
} |
2879 |
break;
|
2880 |
case 11: |
2881 |
switch (sel) {
|
2882 |
case 0: |
2883 |
gen_op_mtc0_compare(); |
2884 |
rn = "Compare";
|
2885 |
break;
|
2886 |
/* 6,7 are implementation dependent */
|
2887 |
default:
|
2888 |
goto die;
|
2889 |
} |
2890 |
/* Stop translation as we may have switched the execution mode */
|
2891 |
ctx->bstate = BS_STOP; |
2892 |
break;
|
2893 |
case 12: |
2894 |
switch (sel) {
|
2895 |
case 0: |
2896 |
gen_op_mtc0_status(); |
2897 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
2898 |
gen_save_pc(ctx->pc + 4);
|
2899 |
ctx->bstate = BS_EXCP; |
2900 |
rn = "Status";
|
2901 |
break;
|
2902 |
case 1: |
2903 |
check_insn(env, ctx, ISA_MIPS32R2); |
2904 |
gen_op_mtc0_intctl(); |
2905 |
/* Stop translation as we may have switched the execution mode */
|
2906 |
ctx->bstate = BS_STOP; |
2907 |
rn = "IntCtl";
|
2908 |
break;
|
2909 |
case 2: |
2910 |
check_insn(env, ctx, ISA_MIPS32R2); |
2911 |
gen_op_mtc0_srsctl(); |
2912 |
/* Stop translation as we may have switched the execution mode */
|
2913 |
ctx->bstate = BS_STOP; |
2914 |
rn = "SRSCtl";
|
2915 |
break;
|
2916 |
case 3: |
2917 |
check_insn(env, ctx, ISA_MIPS32R2); |
2918 |
gen_op_mtc0_srsmap(); |
2919 |
/* Stop translation as we may have switched the execution mode */
|
2920 |
ctx->bstate = BS_STOP; |
2921 |
rn = "SRSMap";
|
2922 |
break;
|
2923 |
default:
|
2924 |
goto die;
|
2925 |
} |
2926 |
break;
|
2927 |
case 13: |
2928 |
switch (sel) {
|
2929 |
case 0: |
2930 |
gen_op_mtc0_cause(); |
2931 |
rn = "Cause";
|
2932 |
break;
|
2933 |
default:
|
2934 |
goto die;
|
2935 |
} |
2936 |
/* Stop translation as we may have switched the execution mode */
|
2937 |
ctx->bstate = BS_STOP; |
2938 |
break;
|
2939 |
case 14: |
2940 |
switch (sel) {
|
2941 |
case 0: |
2942 |
gen_op_mtc0_epc(); |
2943 |
rn = "EPC";
|
2944 |
break;
|
2945 |
default:
|
2946 |
goto die;
|
2947 |
} |
2948 |
break;
|
2949 |
case 15: |
2950 |
switch (sel) {
|
2951 |
case 0: |
2952 |
/* ignored */
|
2953 |
rn = "PRid";
|
2954 |
break;
|
2955 |
case 1: |
2956 |
check_insn(env, ctx, ISA_MIPS32R2); |
2957 |
gen_op_mtc0_ebase(); |
2958 |
rn = "EBase";
|
2959 |
break;
|
2960 |
default:
|
2961 |
goto die;
|
2962 |
} |
2963 |
break;
|
2964 |
case 16: |
2965 |
switch (sel) {
|
2966 |
case 0: |
2967 |
gen_op_mtc0_config0(); |
2968 |
rn = "Config";
|
2969 |
/* Stop translation as we may have switched the execution mode */
|
2970 |
ctx->bstate = BS_STOP; |
2971 |
break;
|
2972 |
case 1: |
2973 |
/* ignored, read only */
|
2974 |
rn = "Config1";
|
2975 |
break;
|
2976 |
case 2: |
2977 |
gen_op_mtc0_config2(); |
2978 |
rn = "Config2";
|
2979 |
/* Stop translation as we may have switched the execution mode */
|
2980 |
ctx->bstate = BS_STOP; |
2981 |
break;
|
2982 |
case 3: |
2983 |
/* ignored, read only */
|
2984 |
rn = "Config3";
|
2985 |
break;
|
2986 |
/* 4,5 are reserved */
|
2987 |
/* 6,7 are implementation dependent */
|
2988 |
case 6: |
2989 |
/* ignored */
|
2990 |
rn = "Config6";
|
2991 |
break;
|
2992 |
case 7: |
2993 |
/* ignored */
|
2994 |
rn = "Config7";
|
2995 |
break;
|
2996 |
default:
|
2997 |
rn = "Invalid config selector";
|
2998 |
goto die;
|
2999 |
} |
3000 |
break;
|
3001 |
case 17: |
3002 |
switch (sel) {
|
3003 |
case 0: |
3004 |
/* ignored */
|
3005 |
rn = "LLAddr";
|
3006 |
break;
|
3007 |
default:
|
3008 |
goto die;
|
3009 |
} |
3010 |
break;
|
3011 |
case 18: |
3012 |
switch (sel) {
|
3013 |
case 0 ... 7: |
3014 |
gen_op_mtc0_watchlo(sel); |
3015 |
rn = "WatchLo";
|
3016 |
break;
|
3017 |
default:
|
3018 |
goto die;
|
3019 |
} |
3020 |
break;
|
3021 |
case 19: |
3022 |
switch (sel) {
|
3023 |
case 0 ... 7: |
3024 |
gen_op_mtc0_watchhi(sel); |
3025 |
rn = "WatchHi";
|
3026 |
break;
|
3027 |
default:
|
3028 |
goto die;
|
3029 |
} |
3030 |
break;
|
3031 |
case 20: |
3032 |
switch (sel) {
|
3033 |
case 0: |
3034 |
#if defined(TARGET_MIPS64)
|
3035 |
check_insn(env, ctx, ISA_MIPS3); |
3036 |
gen_op_mtc0_xcontext(); |
3037 |
rn = "XContext";
|
3038 |
break;
|
3039 |
#endif
|
3040 |
default:
|
3041 |
goto die;
|
3042 |
} |
3043 |
break;
|
3044 |
case 21: |
3045 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3046 |
switch (sel) {
|
3047 |
case 0: |
3048 |
gen_op_mtc0_framemask(); |
3049 |
rn = "Framemask";
|
3050 |
break;
|
3051 |
default:
|
3052 |
goto die;
|
3053 |
} |
3054 |
break;
|
3055 |
case 22: |
3056 |
/* ignored */
|
3057 |
rn = "Diagnostic"; /* implementation dependent */ |
3058 |
break;
|
3059 |
case 23: |
3060 |
switch (sel) {
|
3061 |
case 0: |
3062 |
gen_op_mtc0_debug(); /* EJTAG support */
|
3063 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3064 |
gen_save_pc(ctx->pc + 4);
|
3065 |
ctx->bstate = BS_EXCP; |
3066 |
rn = "Debug";
|
3067 |
break;
|
3068 |
case 1: |
3069 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
3070 |
rn = "TraceControl";
|
3071 |
/* Stop translation as we may have switched the execution mode */
|
3072 |
ctx->bstate = BS_STOP; |
3073 |
// break;
|
3074 |
case 2: |
3075 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
3076 |
rn = "TraceControl2";
|
3077 |
/* Stop translation as we may have switched the execution mode */
|
3078 |
ctx->bstate = BS_STOP; |
3079 |
// break;
|
3080 |
case 3: |
3081 |
/* Stop translation as we may have switched the execution mode */
|
3082 |
ctx->bstate = BS_STOP; |
3083 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
3084 |
rn = "UserTraceData";
|
3085 |
/* Stop translation as we may have switched the execution mode */
|
3086 |
ctx->bstate = BS_STOP; |
3087 |
// break;
|
3088 |
case 4: |
3089 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
3090 |
/* Stop translation as we may have switched the execution mode */
|
3091 |
ctx->bstate = BS_STOP; |
3092 |
rn = "TraceBPC";
|
3093 |
// break;
|
3094 |
default:
|
3095 |
goto die;
|
3096 |
} |
3097 |
break;
|
3098 |
case 24: |
3099 |
switch (sel) {
|
3100 |
case 0: |
3101 |
gen_op_mtc0_depc(); /* EJTAG support */
|
3102 |
rn = "DEPC";
|
3103 |
break;
|
3104 |
default:
|
3105 |
goto die;
|
3106 |
} |
3107 |
break;
|
3108 |
case 25: |
3109 |
switch (sel) {
|
3110 |
case 0: |
3111 |
gen_op_mtc0_performance0(); |
3112 |
rn = "Performance0";
|
3113 |
break;
|
3114 |
case 1: |
3115 |
// gen_op_mtc0_performance1();
|
3116 |
rn = "Performance1";
|
3117 |
// break;
|
3118 |
case 2: |
3119 |
// gen_op_mtc0_performance2();
|
3120 |
rn = "Performance2";
|
3121 |
// break;
|
3122 |
case 3: |
3123 |
// gen_op_mtc0_performance3();
|
3124 |
rn = "Performance3";
|
3125 |
// break;
|
3126 |
case 4: |
3127 |
// gen_op_mtc0_performance4();
|
3128 |
rn = "Performance4";
|
3129 |
// break;
|
3130 |
case 5: |
3131 |
// gen_op_mtc0_performance5();
|
3132 |
rn = "Performance5";
|
3133 |
// break;
|
3134 |
case 6: |
3135 |
// gen_op_mtc0_performance6();
|
3136 |
rn = "Performance6";
|
3137 |
// break;
|
3138 |
case 7: |
3139 |
// gen_op_mtc0_performance7();
|
3140 |
rn = "Performance7";
|
3141 |
// break;
|
3142 |
default:
|
3143 |
goto die;
|
3144 |
} |
3145 |
break;
|
3146 |
case 26: |
3147 |
/* ignored */
|
3148 |
rn = "ECC";
|
3149 |
break;
|
3150 |
case 27: |
3151 |
switch (sel) {
|
3152 |
case 0 ... 3: |
3153 |
/* ignored */
|
3154 |
rn = "CacheErr";
|
3155 |
break;
|
3156 |
default:
|
3157 |
goto die;
|
3158 |
} |
3159 |
break;
|
3160 |
case 28: |
3161 |
switch (sel) {
|
3162 |
case 0: |
3163 |
case 2: |
3164 |
case 4: |
3165 |
case 6: |
3166 |
gen_op_mtc0_taglo(); |
3167 |
rn = "TagLo";
|
3168 |
break;
|
3169 |
case 1: |
3170 |
case 3: |
3171 |
case 5: |
3172 |
case 7: |
3173 |
gen_op_mtc0_datalo(); |
3174 |
rn = "DataLo";
|
3175 |
break;
|
3176 |
default:
|
3177 |
goto die;
|
3178 |
} |
3179 |
break;
|
3180 |
case 29: |
3181 |
switch (sel) {
|
3182 |
case 0: |
3183 |
case 2: |
3184 |
case 4: |
3185 |
case 6: |
3186 |
gen_op_mtc0_taghi(); |
3187 |
rn = "TagHi";
|
3188 |
break;
|
3189 |
case 1: |
3190 |
case 3: |
3191 |
case 5: |
3192 |
case 7: |
3193 |
gen_op_mtc0_datahi(); |
3194 |
rn = "DataHi";
|
3195 |
break;
|
3196 |
default:
|
3197 |
rn = "invalid sel";
|
3198 |
goto die;
|
3199 |
} |
3200 |
break;
|
3201 |
case 30: |
3202 |
switch (sel) {
|
3203 |
case 0: |
3204 |
gen_op_mtc0_errorepc(); |
3205 |
rn = "ErrorEPC";
|
3206 |
break;
|
3207 |
default:
|
3208 |
goto die;
|
3209 |
} |
3210 |
break;
|
3211 |
case 31: |
3212 |
switch (sel) {
|
3213 |
case 0: |
3214 |
gen_op_mtc0_desave(); /* EJTAG support */
|
3215 |
rn = "DESAVE";
|
3216 |
break;
|
3217 |
default:
|
3218 |
goto die;
|
3219 |
} |
3220 |
/* Stop translation as we may have switched the execution mode */
|
3221 |
ctx->bstate = BS_STOP; |
3222 |
break;
|
3223 |
default:
|
3224 |
goto die;
|
3225 |
} |
3226 |
#if defined MIPS_DEBUG_DISAS
|
3227 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3228 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3229 |
rn, reg, sel); |
3230 |
} |
3231 |
#endif
|
3232 |
return;
|
3233 |
|
3234 |
die:
|
3235 |
#if defined MIPS_DEBUG_DISAS
|
3236 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3237 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3238 |
rn, reg, sel); |
3239 |
} |
3240 |
#endif
|
3241 |
generate_exception(ctx, EXCP_RI); |
3242 |
} |
3243 |
|
3244 |
#if defined(TARGET_MIPS64)
|
3245 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3246 |
{ |
3247 |
const char *rn = "invalid"; |
3248 |
|
3249 |
if (sel != 0) |
3250 |
check_insn(env, ctx, ISA_MIPS64); |
3251 |
|
3252 |
switch (reg) {
|
3253 |
case 0: |
3254 |
switch (sel) {
|
3255 |
case 0: |
3256 |
gen_op_mfc0_index(); |
3257 |
rn = "Index";
|
3258 |
break;
|
3259 |
case 1: |
3260 |
check_insn(env, ctx, ASE_MT); |
3261 |
gen_op_mfc0_mvpcontrol(); |
3262 |
rn = "MVPControl";
|
3263 |
break;
|
3264 |
case 2: |
3265 |
check_insn(env, ctx, ASE_MT); |
3266 |
gen_op_mfc0_mvpconf0(); |
3267 |
rn = "MVPConf0";
|
3268 |
break;
|
3269 |
case 3: |
3270 |
check_insn(env, ctx, ASE_MT); |
3271 |
gen_op_mfc0_mvpconf1(); |
3272 |
rn = "MVPConf1";
|
3273 |
break;
|
3274 |
default:
|
3275 |
goto die;
|
3276 |
} |
3277 |
break;
|
3278 |
case 1: |
3279 |
switch (sel) {
|
3280 |
case 0: |
3281 |
gen_op_mfc0_random(); |
3282 |
rn = "Random";
|
3283 |
break;
|
3284 |
case 1: |
3285 |
check_insn(env, ctx, ASE_MT); |
3286 |
gen_op_mfc0_vpecontrol(); |
3287 |
rn = "VPEControl";
|
3288 |
break;
|
3289 |
case 2: |
3290 |
check_insn(env, ctx, ASE_MT); |
3291 |
gen_op_mfc0_vpeconf0(); |
3292 |
rn = "VPEConf0";
|
3293 |
break;
|
3294 |
case 3: |
3295 |
check_insn(env, ctx, ASE_MT); |
3296 |
gen_op_mfc0_vpeconf1(); |
3297 |
rn = "VPEConf1";
|
3298 |
break;
|
3299 |
case 4: |
3300 |
check_insn(env, ctx, ASE_MT); |
3301 |
gen_op_dmfc0_yqmask(); |
3302 |
rn = "YQMask";
|
3303 |
break;
|
3304 |
case 5: |
3305 |
check_insn(env, ctx, ASE_MT); |
3306 |
gen_op_dmfc0_vpeschedule(); |
3307 |
rn = "VPESchedule";
|
3308 |
break;
|
3309 |
case 6: |
3310 |
check_insn(env, ctx, ASE_MT); |
3311 |
gen_op_dmfc0_vpeschefback(); |
3312 |
rn = "VPEScheFBack";
|
3313 |
break;
|
3314 |
case 7: |
3315 |
check_insn(env, ctx, ASE_MT); |
3316 |
gen_op_mfc0_vpeopt(); |
3317 |
rn = "VPEOpt";
|
3318 |
break;
|
3319 |
default:
|
3320 |
goto die;
|
3321 |
} |
3322 |
break;
|
3323 |
case 2: |
3324 |
switch (sel) {
|
3325 |
case 0: |
3326 |
gen_op_dmfc0_entrylo0(); |
3327 |
rn = "EntryLo0";
|
3328 |
break;
|
3329 |
case 1: |
3330 |
check_insn(env, ctx, ASE_MT); |
3331 |
gen_op_mfc0_tcstatus(); |
3332 |
rn = "TCStatus";
|
3333 |
break;
|
3334 |
case 2: |
3335 |
check_insn(env, ctx, ASE_MT); |
3336 |
gen_op_mfc0_tcbind(); |
3337 |
rn = "TCBind";
|
3338 |
break;
|
3339 |
case 3: |
3340 |
check_insn(env, ctx, ASE_MT); |
3341 |
gen_op_dmfc0_tcrestart(); |
3342 |
rn = "TCRestart";
|
3343 |
break;
|
3344 |
case 4: |
3345 |
check_insn(env, ctx, ASE_MT); |
3346 |
gen_op_dmfc0_tchalt(); |
3347 |
rn = "TCHalt";
|
3348 |
break;
|
3349 |
case 5: |
3350 |
check_insn(env, ctx, ASE_MT); |
3351 |
gen_op_dmfc0_tccontext(); |
3352 |
rn = "TCContext";
|
3353 |
break;
|
3354 |
case 6: |
3355 |
check_insn(env, ctx, ASE_MT); |
3356 |
gen_op_dmfc0_tcschedule(); |
3357 |
rn = "TCSchedule";
|
3358 |
break;
|
3359 |
case 7: |
3360 |
check_insn(env, ctx, ASE_MT); |
3361 |
gen_op_dmfc0_tcschefback(); |
3362 |
rn = "TCScheFBack";
|
3363 |
break;
|
3364 |
default:
|
3365 |
goto die;
|
3366 |
} |
3367 |
break;
|
3368 |
case 3: |
3369 |
switch (sel) {
|
3370 |
case 0: |
3371 |
gen_op_dmfc0_entrylo1(); |
3372 |
rn = "EntryLo1";
|
3373 |
break;
|
3374 |
default:
|
3375 |
goto die;
|
3376 |
} |
3377 |
break;
|
3378 |
case 4: |
3379 |
switch (sel) {
|
3380 |
case 0: |
3381 |
gen_op_dmfc0_context(); |
3382 |
rn = "Context";
|
3383 |
break;
|
3384 |
case 1: |
3385 |
// gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
|
3386 |
rn = "ContextConfig";
|
3387 |
// break;
|
3388 |
default:
|
3389 |
goto die;
|
3390 |
} |
3391 |
break;
|
3392 |
case 5: |
3393 |
switch (sel) {
|
3394 |
case 0: |
3395 |
gen_op_mfc0_pagemask(); |
3396 |
rn = "PageMask";
|
3397 |
break;
|
3398 |
case 1: |
3399 |
check_insn(env, ctx, ISA_MIPS32R2); |
3400 |
gen_op_mfc0_pagegrain(); |
3401 |
rn = "PageGrain";
|
3402 |
break;
|
3403 |
default:
|
3404 |
goto die;
|
3405 |
} |
3406 |
break;
|
3407 |
case 6: |
3408 |
switch (sel) {
|
3409 |
case 0: |
3410 |
gen_op_mfc0_wired(); |
3411 |
rn = "Wired";
|
3412 |
break;
|
3413 |
case 1: |
3414 |
check_insn(env, ctx, ISA_MIPS32R2); |
3415 |
gen_op_mfc0_srsconf0(); |
3416 |
rn = "SRSConf0";
|
3417 |
break;
|
3418 |
case 2: |
3419 |
check_insn(env, ctx, ISA_MIPS32R2); |
3420 |
gen_op_mfc0_srsconf1(); |
3421 |
rn = "SRSConf1";
|
3422 |
break;
|
3423 |
case 3: |
3424 |
check_insn(env, ctx, ISA_MIPS32R2); |
3425 |
gen_op_mfc0_srsconf2(); |
3426 |
rn = "SRSConf2";
|
3427 |
break;
|
3428 |
case 4: |
3429 |
check_insn(env, ctx, ISA_MIPS32R2); |
3430 |
gen_op_mfc0_srsconf3(); |
3431 |
rn = "SRSConf3";
|
3432 |
break;
|
3433 |
case 5: |
3434 |
check_insn(env, ctx, ISA_MIPS32R2); |
3435 |
gen_op_mfc0_srsconf4(); |
3436 |
rn = "SRSConf4";
|
3437 |
break;
|
3438 |
default:
|
3439 |
goto die;
|
3440 |
} |
3441 |
break;
|
3442 |
case 7: |
3443 |
switch (sel) {
|
3444 |
case 0: |
3445 |
check_insn(env, ctx, ISA_MIPS32R2); |
3446 |
gen_op_mfc0_hwrena(); |
3447 |
rn = "HWREna";
|
3448 |
break;
|
3449 |
default:
|
3450 |
goto die;
|
3451 |
} |
3452 |
break;
|
3453 |
case 8: |
3454 |
switch (sel) {
|
3455 |
case 0: |
3456 |
gen_op_dmfc0_badvaddr(); |
3457 |
rn = "BadVaddr";
|
3458 |
break;
|
3459 |
default:
|
3460 |
goto die;
|
3461 |
} |
3462 |
break;
|
3463 |
case 9: |
3464 |
switch (sel) {
|
3465 |
case 0: |
3466 |
gen_op_mfc0_count(); |
3467 |
rn = "Count";
|
3468 |
break;
|
3469 |
/* 6,7 are implementation dependent */
|
3470 |
default:
|
3471 |
goto die;
|
3472 |
} |
3473 |
break;
|
3474 |
case 10: |
3475 |
switch (sel) {
|
3476 |
case 0: |
3477 |
gen_op_dmfc0_entryhi(); |
3478 |
rn = "EntryHi";
|
3479 |
break;
|
3480 |
default:
|
3481 |
goto die;
|
3482 |
} |
3483 |
break;
|
3484 |
case 11: |
3485 |
switch (sel) {
|
3486 |
case 0: |
3487 |
gen_op_mfc0_compare(); |
3488 |
rn = "Compare";
|
3489 |
break;
|
3490 |
/* 6,7 are implementation dependent */
|
3491 |
default:
|
3492 |
goto die;
|
3493 |
} |
3494 |
break;
|
3495 |
case 12: |
3496 |
switch (sel) {
|
3497 |
case 0: |
3498 |
gen_op_mfc0_status(); |
3499 |
rn = "Status";
|
3500 |
break;
|
3501 |
case 1: |
3502 |
check_insn(env, ctx, ISA_MIPS32R2); |
3503 |
gen_op_mfc0_intctl(); |
3504 |
rn = "IntCtl";
|
3505 |
break;
|
3506 |
case 2: |
3507 |
check_insn(env, ctx, ISA_MIPS32R2); |
3508 |
gen_op_mfc0_srsctl(); |
3509 |
rn = "SRSCtl";
|
3510 |
break;
|
3511 |
case 3: |
3512 |
check_insn(env, ctx, ISA_MIPS32R2); |
3513 |
gen_op_mfc0_srsmap(); |
3514 |
rn = "SRSMap";
|
3515 |
break;
|
3516 |
default:
|
3517 |
goto die;
|
3518 |
} |
3519 |
break;
|
3520 |
case 13: |
3521 |
switch (sel) {
|
3522 |
case 0: |
3523 |
gen_op_mfc0_cause(); |
3524 |
rn = "Cause";
|
3525 |
break;
|
3526 |
default:
|
3527 |
goto die;
|
3528 |
} |
3529 |
break;
|
3530 |
case 14: |
3531 |
switch (sel) {
|
3532 |
case 0: |
3533 |
gen_op_dmfc0_epc(); |
3534 |
rn = "EPC";
|
3535 |
break;
|
3536 |
default:
|
3537 |
goto die;
|
3538 |
} |
3539 |
break;
|
3540 |
case 15: |
3541 |
switch (sel) {
|
3542 |
case 0: |
3543 |
gen_op_mfc0_prid(); |
3544 |
rn = "PRid";
|
3545 |
break;
|
3546 |
case 1: |
3547 |
check_insn(env, ctx, ISA_MIPS32R2); |
3548 |
gen_op_mfc0_ebase(); |
3549 |
rn = "EBase";
|
3550 |
break;
|
3551 |
default:
|
3552 |
goto die;
|
3553 |
} |
3554 |
break;
|
3555 |
case 16: |
3556 |
switch (sel) {
|
3557 |
case 0: |
3558 |
gen_op_mfc0_config0(); |
3559 |
rn = "Config";
|
3560 |
break;
|
3561 |
case 1: |
3562 |
gen_op_mfc0_config1(); |
3563 |
rn = "Config1";
|
3564 |
break;
|
3565 |
case 2: |
3566 |
gen_op_mfc0_config2(); |
3567 |
rn = "Config2";
|
3568 |
break;
|
3569 |
case 3: |
3570 |
gen_op_mfc0_config3(); |
3571 |
rn = "Config3";
|
3572 |
break;
|
3573 |
/* 6,7 are implementation dependent */
|
3574 |
default:
|
3575 |
goto die;
|
3576 |
} |
3577 |
break;
|
3578 |
case 17: |
3579 |
switch (sel) {
|
3580 |
case 0: |
3581 |
gen_op_dmfc0_lladdr(); |
3582 |
rn = "LLAddr";
|
3583 |
break;
|
3584 |
default:
|
3585 |
goto die;
|
3586 |
} |
3587 |
break;
|
3588 |
case 18: |
3589 |
switch (sel) {
|
3590 |
case 0 ... 7: |
3591 |
gen_op_dmfc0_watchlo(sel); |
3592 |
rn = "WatchLo";
|
3593 |
break;
|
3594 |
default:
|
3595 |
goto die;
|
3596 |
} |
3597 |
break;
|
3598 |
case 19: |
3599 |
switch (sel) {
|
3600 |
case 0 ... 7: |
3601 |
gen_op_mfc0_watchhi(sel); |
3602 |
rn = "WatchHi";
|
3603 |
break;
|
3604 |
default:
|
3605 |
goto die;
|
3606 |
} |
3607 |
break;
|
3608 |
case 20: |
3609 |
switch (sel) {
|
3610 |
case 0: |
3611 |
check_insn(env, ctx, ISA_MIPS3); |
3612 |
gen_op_dmfc0_xcontext(); |
3613 |
rn = "XContext";
|
3614 |
break;
|
3615 |
default:
|
3616 |
goto die;
|
3617 |
} |
3618 |
break;
|
3619 |
case 21: |
3620 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3621 |
switch (sel) {
|
3622 |
case 0: |
3623 |
gen_op_mfc0_framemask(); |
3624 |
rn = "Framemask";
|
3625 |
break;
|
3626 |
default:
|
3627 |
goto die;
|
3628 |
} |
3629 |
break;
|
3630 |
case 22: |
3631 |
/* ignored */
|
3632 |
rn = "'Diagnostic"; /* implementation dependent */ |
3633 |
break;
|
3634 |
case 23: |
3635 |
switch (sel) {
|
3636 |
case 0: |
3637 |
gen_op_mfc0_debug(); /* EJTAG support */
|
3638 |
rn = "Debug";
|
3639 |
break;
|
3640 |
case 1: |
3641 |
// gen_op_dmfc0_tracecontrol(); /* PDtrace support */
|
3642 |
rn = "TraceControl";
|
3643 |
// break;
|
3644 |
case 2: |
3645 |
// gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
|
3646 |
rn = "TraceControl2";
|
3647 |
// break;
|
3648 |
case 3: |
3649 |
// gen_op_dmfc0_usertracedata(); /* PDtrace support */
|
3650 |
rn = "UserTraceData";
|
3651 |
// break;
|
3652 |
case 4: |
3653 |
// gen_op_dmfc0_debug(); /* PDtrace support */
|
3654 |
rn = "TraceBPC";
|
3655 |
// break;
|
3656 |
default:
|
3657 |
goto die;
|
3658 |
} |
3659 |
break;
|
3660 |
case 24: |
3661 |
switch (sel) {
|
3662 |
case 0: |
3663 |
gen_op_dmfc0_depc(); /* EJTAG support */
|
3664 |
rn = "DEPC";
|
3665 |
break;
|
3666 |
default:
|
3667 |
goto die;
|
3668 |
} |
3669 |
break;
|
3670 |
case 25: |
3671 |
switch (sel) {
|
3672 |
case 0: |
3673 |
gen_op_mfc0_performance0(); |
3674 |
rn = "Performance0";
|
3675 |
break;
|
3676 |
case 1: |
3677 |
// gen_op_dmfc0_performance1();
|
3678 |
rn = "Performance1";
|
3679 |
// break;
|
3680 |
case 2: |
3681 |
// gen_op_dmfc0_performance2();
|
3682 |
rn = "Performance2";
|
3683 |
// break;
|
3684 |
case 3: |
3685 |
// gen_op_dmfc0_performance3();
|
3686 |
rn = "Performance3";
|
3687 |
// break;
|
3688 |
case 4: |
3689 |
// gen_op_dmfc0_performance4();
|
3690 |
rn = "Performance4";
|
3691 |
// break;
|
3692 |
case 5: |
3693 |
// gen_op_dmfc0_performance5();
|
3694 |
rn = "Performance5";
|
3695 |
// break;
|
3696 |
case 6: |
3697 |
// gen_op_dmfc0_performance6();
|
3698 |
rn = "Performance6";
|
3699 |
// break;
|
3700 |
case 7: |
3701 |
// gen_op_dmfc0_performance7();
|
3702 |
rn = "Performance7";
|
3703 |
// break;
|
3704 |
default:
|
3705 |
goto die;
|
3706 |
} |
3707 |
break;
|
3708 |
case 26: |
3709 |
rn = "ECC";
|
3710 |
break;
|
3711 |
case 27: |
3712 |
switch (sel) {
|
3713 |
/* ignored */
|
3714 |
case 0 ... 3: |
3715 |
rn = "CacheErr";
|
3716 |
break;
|
3717 |
default:
|
3718 |
goto die;
|
3719 |
} |
3720 |
break;
|
3721 |
case 28: |
3722 |
switch (sel) {
|
3723 |
case 0: |
3724 |
case 2: |
3725 |
case 4: |
3726 |
case 6: |
3727 |
gen_op_mfc0_taglo(); |
3728 |
rn = "TagLo";
|
3729 |
break;
|
3730 |
case 1: |
3731 |
case 3: |
3732 |
case 5: |
3733 |
case 7: |
3734 |
gen_op_mfc0_datalo(); |
3735 |
rn = "DataLo";
|
3736 |
break;
|
3737 |
default:
|
3738 |
goto die;
|
3739 |
} |
3740 |
break;
|
3741 |
case 29: |
3742 |
switch (sel) {
|
3743 |
case 0: |
3744 |
case 2: |
3745 |
case 4: |
3746 |
case 6: |
3747 |
gen_op_mfc0_taghi(); |
3748 |
rn = "TagHi";
|
3749 |
break;
|
3750 |
case 1: |
3751 |
case 3: |
3752 |
case 5: |
3753 |
case 7: |
3754 |
gen_op_mfc0_datahi(); |
3755 |
rn = "DataHi";
|
3756 |
break;
|
3757 |
default:
|
3758 |
goto die;
|
3759 |
} |
3760 |
break;
|
3761 |
case 30: |
3762 |
switch (sel) {
|
3763 |
case 0: |
3764 |
gen_op_dmfc0_errorepc(); |
3765 |
rn = "ErrorEPC";
|
3766 |
break;
|
3767 |
default:
|
3768 |
goto die;
|
3769 |
} |
3770 |
break;
|
3771 |
case 31: |
3772 |
switch (sel) {
|
3773 |
case 0: |
3774 |
gen_op_mfc0_desave(); /* EJTAG support */
|
3775 |
rn = "DESAVE";
|
3776 |
break;
|
3777 |
default:
|
3778 |
goto die;
|
3779 |
} |
3780 |
break;
|
3781 |
default:
|
3782 |
goto die;
|
3783 |
} |
3784 |
#if defined MIPS_DEBUG_DISAS
|
3785 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3786 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
3787 |
rn, reg, sel); |
3788 |
} |
3789 |
#endif
|
3790 |
return;
|
3791 |
|
3792 |
die:
|
3793 |
#if defined MIPS_DEBUG_DISAS
|
3794 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3795 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
3796 |
rn, reg, sel); |
3797 |
} |
3798 |
#endif
|
3799 |
generate_exception(ctx, EXCP_RI); |
3800 |
} |
3801 |
|
3802 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3803 |
{ |
3804 |
const char *rn = "invalid"; |
3805 |
|
3806 |
if (sel != 0) |
3807 |
check_insn(env, ctx, ISA_MIPS64); |
3808 |
|
3809 |
switch (reg) {
|
3810 |
case 0: |
3811 |
switch (sel) {
|
3812 |
case 0: |
3813 |
gen_op_mtc0_index(); |
3814 |
rn = "Index";
|
3815 |
break;
|
3816 |
case 1: |
3817 |
check_insn(env, ctx, ASE_MT); |
3818 |
gen_op_mtc0_mvpcontrol(); |
3819 |
rn = "MVPControl";
|
3820 |
break;
|
3821 |
case 2: |
3822 |
check_insn(env, ctx, ASE_MT); |
3823 |
/* ignored */
|
3824 |
rn = "MVPConf0";
|
3825 |
break;
|
3826 |
case 3: |
3827 |
check_insn(env, ctx, ASE_MT); |
3828 |
/* ignored */
|
3829 |
rn = "MVPConf1";
|
3830 |
break;
|
3831 |
default:
|
3832 |
goto die;
|
3833 |
} |
3834 |
break;
|
3835 |
case 1: |
3836 |
switch (sel) {
|
3837 |
case 0: |
3838 |
/* ignored */
|
3839 |
rn = "Random";
|
3840 |
break;
|
3841 |
case 1: |
3842 |
check_insn(env, ctx, ASE_MT); |
3843 |
gen_op_mtc0_vpecontrol(); |
3844 |
rn = "VPEControl";
|
3845 |
break;
|
3846 |
case 2: |
3847 |
check_insn(env, ctx, ASE_MT); |
3848 |
gen_op_mtc0_vpeconf0(); |
3849 |
rn = "VPEConf0";
|
3850 |
break;
|
3851 |
case 3: |
3852 |
check_insn(env, ctx, ASE_MT); |
3853 |
gen_op_mtc0_vpeconf1(); |
3854 |
rn = "VPEConf1";
|
3855 |
break;
|
3856 |
case 4: |
3857 |
check_insn(env, ctx, ASE_MT); |
3858 |
gen_op_mtc0_yqmask(); |
3859 |
rn = "YQMask";
|
3860 |
break;
|
3861 |
case 5: |
3862 |
check_insn(env, ctx, ASE_MT); |
3863 |
gen_op_mtc0_vpeschedule(); |
3864 |
rn = "VPESchedule";
|
3865 |
break;
|
3866 |
case 6: |
3867 |
check_insn(env, ctx, ASE_MT); |
3868 |
gen_op_mtc0_vpeschefback(); |
3869 |
rn = "VPEScheFBack";
|
3870 |
break;
|
3871 |
case 7: |
3872 |
check_insn(env, ctx, ASE_MT); |
3873 |
gen_op_mtc0_vpeopt(); |
3874 |
rn = "VPEOpt";
|
3875 |
break;
|
3876 |
default:
|
3877 |
goto die;
|
3878 |
} |
3879 |
break;
|
3880 |
case 2: |
3881 |
switch (sel) {
|
3882 |
case 0: |
3883 |
gen_op_mtc0_entrylo0(); |
3884 |
rn = "EntryLo0";
|
3885 |
break;
|
3886 |
case 1: |
3887 |
check_insn(env, ctx, ASE_MT); |
3888 |
gen_op_mtc0_tcstatus(); |
3889 |
rn = "TCStatus";
|
3890 |
break;
|
3891 |
case 2: |
3892 |
check_insn(env, ctx, ASE_MT); |
3893 |
gen_op_mtc0_tcbind(); |
3894 |
rn = "TCBind";
|
3895 |
break;
|
3896 |
case 3: |
3897 |
check_insn(env, ctx, ASE_MT); |
3898 |
gen_op_mtc0_tcrestart(); |
3899 |
rn = "TCRestart";
|
3900 |
break;
|
3901 |
case 4: |
3902 |
check_insn(env, ctx, ASE_MT); |
3903 |
gen_op_mtc0_tchalt(); |
3904 |
rn = "TCHalt";
|
3905 |
break;
|
3906 |
case 5: |
3907 |
check_insn(env, ctx, ASE_MT); |
3908 |
gen_op_mtc0_tccontext(); |
3909 |
rn = "TCContext";
|
3910 |
break;
|
3911 |
case 6: |
3912 |
check_insn(env, ctx, ASE_MT); |
3913 |
gen_op_mtc0_tcschedule(); |
3914 |
rn = "TCSchedule";
|
3915 |
break;
|
3916 |
case 7: |
3917 |
check_insn(env, ctx, ASE_MT); |
3918 |
gen_op_mtc0_tcschefback(); |
3919 |
rn = "TCScheFBack";
|
3920 |
break;
|
3921 |
default:
|
3922 |
goto die;
|
3923 |
} |
3924 |
break;
|
3925 |
case 3: |
3926 |
switch (sel) {
|
3927 |
case 0: |
3928 |
gen_op_mtc0_entrylo1(); |
3929 |
rn = "EntryLo1";
|
3930 |
break;
|
3931 |
default:
|
3932 |
goto die;
|
3933 |
} |
3934 |
break;
|
3935 |
case 4: |
3936 |
switch (sel) {
|
3937 |
case 0: |
3938 |
gen_op_mtc0_context(); |
3939 |
rn = "Context";
|
3940 |
break;
|
3941 |
case 1: |
3942 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
3943 |
rn = "ContextConfig";
|
3944 |
// break;
|
3945 |
default:
|
3946 |
goto die;
|
3947 |
} |
3948 |
break;
|
3949 |
case 5: |
3950 |
switch (sel) {
|
3951 |
case 0: |
3952 |
gen_op_mtc0_pagemask(); |
3953 |
rn = "PageMask";
|
3954 |
break;
|
3955 |
case 1: |
3956 |
check_insn(env, ctx, ISA_MIPS32R2); |
3957 |
gen_op_mtc0_pagegrain(); |
3958 |
rn = "PageGrain";
|
3959 |
break;
|
3960 |
default:
|
3961 |
goto die;
|
3962 |
} |
3963 |
break;
|
3964 |
case 6: |
3965 |
switch (sel) {
|
3966 |
case 0: |
3967 |
gen_op_mtc0_wired(); |
3968 |
rn = "Wired";
|
3969 |
break;
|
3970 |
case 1: |
3971 |
check_insn(env, ctx, ISA_MIPS32R2); |
3972 |
gen_op_mtc0_srsconf0(); |
3973 |
rn = "SRSConf0";
|
3974 |
break;
|
3975 |
case 2: |
3976 |
check_insn(env, ctx, ISA_MIPS32R2); |
3977 |
gen_op_mtc0_srsconf1(); |
3978 |
rn = "SRSConf1";
|
3979 |
break;
|
3980 |
case 3: |
3981 |
check_insn(env, ctx, ISA_MIPS32R2); |
3982 |
gen_op_mtc0_srsconf2(); |
3983 |
rn = "SRSConf2";
|
3984 |
break;
|
3985 |
case 4: |
3986 |
check_insn(env, ctx, ISA_MIPS32R2); |
3987 |
gen_op_mtc0_srsconf3(); |
3988 |
rn = "SRSConf3";
|
3989 |
break;
|
3990 |
case 5: |
3991 |
check_insn(env, ctx, ISA_MIPS32R2); |
3992 |
gen_op_mtc0_srsconf4(); |
3993 |
rn = "SRSConf4";
|
3994 |
break;
|
3995 |
default:
|
3996 |
goto die;
|
3997 |
} |
3998 |
break;
|
3999 |
case 7: |
4000 |
switch (sel) {
|
4001 |
case 0: |
4002 |
check_insn(env, ctx, ISA_MIPS32R2); |
4003 |
gen_op_mtc0_hwrena(); |
4004 |
rn = "HWREna";
|
4005 |
break;
|
4006 |
default:
|
4007 |
goto die;
|
4008 |
} |
4009 |
break;
|
4010 |
case 8: |
4011 |
/* ignored */
|
4012 |
rn = "BadVaddr";
|
4013 |
break;
|
4014 |
case 9: |
4015 |
switch (sel) {
|
4016 |
case 0: |
4017 |
gen_op_mtc0_count(); |
4018 |
rn = "Count";
|
4019 |
break;
|
4020 |
/* 6,7 are implementation dependent */
|
4021 |
default:
|
4022 |
goto die;
|
4023 |
} |
4024 |
/* Stop translation as we may have switched the execution mode */
|
4025 |
ctx->bstate = BS_STOP; |
4026 |
break;
|
4027 |
case 10: |
4028 |
switch (sel) {
|
4029 |
case 0: |
4030 |
gen_op_mtc0_entryhi(); |
4031 |
rn = "EntryHi";
|
4032 |
break;
|
4033 |
default:
|
4034 |
goto die;
|
4035 |
} |
4036 |
break;
|
4037 |
case 11: |
4038 |
switch (sel) {
|
4039 |
case 0: |
4040 |
gen_op_mtc0_compare(); |
4041 |
rn = "Compare";
|
4042 |
break;
|
4043 |
/* 6,7 are implementation dependent */
|
4044 |
default:
|
4045 |
goto die;
|
4046 |
} |
4047 |
/* Stop translation as we may have switched the execution mode */
|
4048 |
ctx->bstate = BS_STOP; |
4049 |
break;
|
4050 |
case 12: |
4051 |
switch (sel) {
|
4052 |
case 0: |
4053 |
gen_op_mtc0_status(); |
4054 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4055 |
gen_save_pc(ctx->pc + 4);
|
4056 |
ctx->bstate = BS_EXCP; |
4057 |
rn = "Status";
|
4058 |
break;
|
4059 |
case 1: |
4060 |
check_insn(env, ctx, ISA_MIPS32R2); |
4061 |
gen_op_mtc0_intctl(); |
4062 |
/* Stop translation as we may have switched the execution mode */
|
4063 |
ctx->bstate = BS_STOP; |
4064 |
rn = "IntCtl";
|
4065 |
break;
|
4066 |
case 2: |
4067 |
check_insn(env, ctx, ISA_MIPS32R2); |
4068 |
gen_op_mtc0_srsctl(); |
4069 |
/* Stop translation as we may have switched the execution mode */
|
4070 |
ctx->bstate = BS_STOP; |
4071 |
rn = "SRSCtl";
|
4072 |
break;
|
4073 |
case 3: |
4074 |
check_insn(env, ctx, ISA_MIPS32R2); |
4075 |
gen_op_mtc0_srsmap(); |
4076 |
/* Stop translation as we may have switched the execution mode */
|
4077 |
ctx->bstate = BS_STOP; |
4078 |
rn = "SRSMap";
|
4079 |
break;
|
4080 |
default:
|
4081 |
goto die;
|
4082 |
} |
4083 |
break;
|
4084 |
case 13: |
4085 |
switch (sel) {
|
4086 |
case 0: |
4087 |
gen_op_mtc0_cause(); |
4088 |
rn = "Cause";
|
4089 |
break;
|
4090 |
default:
|
4091 |
goto die;
|
4092 |
} |
4093 |
/* Stop translation as we may have switched the execution mode */
|
4094 |
ctx->bstate = BS_STOP; |
4095 |
break;
|
4096 |
case 14: |
4097 |
switch (sel) {
|
4098 |
case 0: |
4099 |
gen_op_mtc0_epc(); |
4100 |
rn = "EPC";
|
4101 |
break;
|
4102 |
default:
|
4103 |
goto die;
|
4104 |
} |
4105 |
break;
|
4106 |
case 15: |
4107 |
switch (sel) {
|
4108 |
case 0: |
4109 |
/* ignored */
|
4110 |
rn = "PRid";
|
4111 |
break;
|
4112 |
case 1: |
4113 |
check_insn(env, ctx, ISA_MIPS32R2); |
4114 |
gen_op_mtc0_ebase(); |
4115 |
rn = "EBase";
|
4116 |
break;
|
4117 |
default:
|
4118 |
goto die;
|
4119 |
} |
4120 |
break;
|
4121 |
case 16: |
4122 |
switch (sel) {
|
4123 |
case 0: |
4124 |
gen_op_mtc0_config0(); |
4125 |
rn = "Config";
|
4126 |
/* Stop translation as we may have switched the execution mode */
|
4127 |
ctx->bstate = BS_STOP; |
4128 |
break;
|
4129 |
case 1: |
4130 |
/* ignored */
|
4131 |
rn = "Config1";
|
4132 |
break;
|
4133 |
case 2: |
4134 |
gen_op_mtc0_config2(); |
4135 |
rn = "Config2";
|
4136 |
/* Stop translation as we may have switched the execution mode */
|
4137 |
ctx->bstate = BS_STOP; |
4138 |
break;
|
4139 |
case 3: |
4140 |
/* ignored */
|
4141 |
rn = "Config3";
|
4142 |
break;
|
4143 |
/* 6,7 are implementation dependent */
|
4144 |
default:
|
4145 |
rn = "Invalid config selector";
|
4146 |
goto die;
|
4147 |
} |
4148 |
break;
|
4149 |
case 17: |
4150 |
switch (sel) {
|
4151 |
case 0: |
4152 |
/* ignored */
|
4153 |
rn = "LLAddr";
|
4154 |
break;
|
4155 |
default:
|
4156 |
goto die;
|
4157 |
} |
4158 |
break;
|
4159 |
case 18: |
4160 |
switch (sel) {
|
4161 |
case 0 ... 7: |
4162 |
gen_op_mtc0_watchlo(sel); |
4163 |
rn = "WatchLo";
|
4164 |
break;
|
4165 |
default:
|
4166 |
goto die;
|
4167 |
} |
4168 |
break;
|
4169 |
case 19: |
4170 |
switch (sel) {
|
4171 |
case 0 ... 7: |
4172 |
gen_op_mtc0_watchhi(sel); |
4173 |
rn = "WatchHi";
|
4174 |
break;
|
4175 |
default:
|
4176 |
goto die;
|
4177 |
} |
4178 |
break;
|
4179 |
case 20: |
4180 |
switch (sel) {
|
4181 |
case 0: |
4182 |
check_insn(env, ctx, ISA_MIPS3); |
4183 |
gen_op_mtc0_xcontext(); |
4184 |
rn = "XContext";
|
4185 |
break;
|
4186 |
default:
|
4187 |
goto die;
|
4188 |
} |
4189 |
break;
|
4190 |
case 21: |
4191 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4192 |
switch (sel) {
|
4193 |
case 0: |
4194 |
gen_op_mtc0_framemask(); |
4195 |
rn = "Framemask";
|
4196 |
break;
|
4197 |
default:
|
4198 |
goto die;
|
4199 |
} |
4200 |
break;
|
4201 |
case 22: |
4202 |
/* ignored */
|
4203 |
rn = "Diagnostic"; /* implementation dependent */ |
4204 |
break;
|
4205 |
case 23: |
4206 |
switch (sel) {
|
4207 |
case 0: |
4208 |
gen_op_mtc0_debug(); /* EJTAG support */
|
4209 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4210 |
gen_save_pc(ctx->pc + 4);
|
4211 |
ctx->bstate = BS_EXCP; |
4212 |
rn = "Debug";
|
4213 |
break;
|
4214 |
case 1: |
4215 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
4216 |
/* Stop translation as we may have switched the execution mode */
|
4217 |
ctx->bstate = BS_STOP; |
4218 |
rn = "TraceControl";
|
4219 |
// break;
|
4220 |
case 2: |
4221 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
4222 |
/* Stop translation as we may have switched the execution mode */
|
4223 |
ctx->bstate = BS_STOP; |
4224 |
rn = "TraceControl2";
|
4225 |
// break;
|
4226 |
case 3: |
4227 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
4228 |
/* Stop translation as we may have switched the execution mode */
|
4229 |
ctx->bstate = BS_STOP; |
4230 |
rn = "UserTraceData";
|
4231 |
// break;
|
4232 |
case 4: |
4233 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
4234 |
/* Stop translation as we may have switched the execution mode */
|
4235 |
ctx->bstate = BS_STOP; |
4236 |
rn = "TraceBPC";
|
4237 |
// break;
|
4238 |
default:
|
4239 |
goto die;
|
4240 |
} |
4241 |
break;
|
4242 |
case 24: |
4243 |
switch (sel) {
|
4244 |
case 0: |
4245 |
gen_op_mtc0_depc(); /* EJTAG support */
|
4246 |
rn = "DEPC";
|
4247 |
break;
|
4248 |
default:
|
4249 |
goto die;
|
4250 |
} |
4251 |
break;
|
4252 |
case 25: |
4253 |
switch (sel) {
|
4254 |
case 0: |
4255 |
gen_op_mtc0_performance0(); |
4256 |
rn = "Performance0";
|
4257 |
break;
|
4258 |
case 1: |
4259 |
// gen_op_mtc0_performance1();
|
4260 |
rn = "Performance1";
|
4261 |
// break;
|
4262 |
case 2: |
4263 |
// gen_op_mtc0_performance2();
|
4264 |
rn = "Performance2";
|
4265 |
// break;
|
4266 |
case 3: |
4267 |
// gen_op_mtc0_performance3();
|
4268 |
rn = "Performance3";
|
4269 |
// break;
|
4270 |
case 4: |
4271 |
// gen_op_mtc0_performance4();
|
4272 |
rn = "Performance4";
|
4273 |
// break;
|
4274 |
case 5: |
4275 |
// gen_op_mtc0_performance5();
|
4276 |
rn = "Performance5";
|
4277 |
// break;
|
4278 |
case 6: |
4279 |
// gen_op_mtc0_performance6();
|
4280 |
rn = "Performance6";
|
4281 |
// break;
|
4282 |
case 7: |
4283 |
// gen_op_mtc0_performance7();
|
4284 |
rn = "Performance7";
|
4285 |
// break;
|
4286 |
default:
|
4287 |
goto die;
|
4288 |
} |
4289 |
break;
|
4290 |
case 26: |
4291 |
/* ignored */
|
4292 |
rn = "ECC";
|
4293 |
break;
|
4294 |
case 27: |
4295 |
switch (sel) {
|
4296 |
case 0 ... 3: |
4297 |
/* ignored */
|
4298 |
rn = "CacheErr";
|
4299 |
break;
|
4300 |
default:
|
4301 |
goto die;
|
4302 |
} |
4303 |
break;
|
4304 |
case 28: |
4305 |
switch (sel) {
|
4306 |
case 0: |
4307 |
case 2: |
4308 |
case 4: |
4309 |
case 6: |
4310 |
gen_op_mtc0_taglo(); |
4311 |
rn = "TagLo";
|
4312 |
break;
|
4313 |
case 1: |
4314 |
case 3: |
4315 |
case 5: |
4316 |
case 7: |
4317 |
gen_op_mtc0_datalo(); |
4318 |
rn = "DataLo";
|
4319 |
break;
|
4320 |
default:
|
4321 |
goto die;
|
4322 |
} |
4323 |
break;
|
4324 |
case 29: |
4325 |
switch (sel) {
|
4326 |
case 0: |
4327 |
case 2: |
4328 |
case 4: |
4329 |
case 6: |
4330 |
gen_op_mtc0_taghi(); |
4331 |
rn = "TagHi";
|
4332 |
break;
|
4333 |
case 1: |
4334 |
case 3: |
4335 |
case 5: |
4336 |
case 7: |
4337 |
gen_op_mtc0_datahi(); |
4338 |
rn = "DataHi";
|
4339 |
break;
|
4340 |
default:
|
4341 |
rn = "invalid sel";
|
4342 |
goto die;
|
4343 |
} |
4344 |
break;
|
4345 |
case 30: |
4346 |
switch (sel) {
|
4347 |
case 0: |
4348 |
gen_op_mtc0_errorepc(); |
4349 |
rn = "ErrorEPC";
|
4350 |
break;
|
4351 |
default:
|
4352 |
goto die;
|
4353 |
} |
4354 |
break;
|
4355 |
case 31: |
4356 |
switch (sel) {
|
4357 |
case 0: |
4358 |
gen_op_mtc0_desave(); /* EJTAG support */
|
4359 |
rn = "DESAVE";
|
4360 |
break;
|
4361 |
default:
|
4362 |
goto die;
|
4363 |
} |
4364 |
/* Stop translation as we may have switched the execution mode */
|
4365 |
ctx->bstate = BS_STOP; |
4366 |
break;
|
4367 |
default:
|
4368 |
goto die;
|
4369 |
} |
4370 |
#if defined MIPS_DEBUG_DISAS
|
4371 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4372 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4373 |
rn, reg, sel); |
4374 |
} |
4375 |
#endif
|
4376 |
return;
|
4377 |
|
4378 |
die:
|
4379 |
#if defined MIPS_DEBUG_DISAS
|
4380 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4381 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4382 |
rn, reg, sel); |
4383 |
} |
4384 |
#endif
|
4385 |
generate_exception(ctx, EXCP_RI); |
4386 |
} |
4387 |
#endif /* TARGET_MIPS64 */ |
4388 |
|
4389 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, |
4390 |
int u, int sel, int h) |
4391 |
{ |
4392 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
4393 |
|
4394 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
4395 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
4396 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
4397 |
gen_op_set_T0(-1);
|
4398 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
4399 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
4400 |
gen_op_set_T0(-1);
|
4401 |
else if (u == 0) { |
4402 |
switch (rt) {
|
4403 |
case 2: |
4404 |
switch (sel) {
|
4405 |
case 1: |
4406 |
gen_op_mftc0_tcstatus(); |
4407 |
break;
|
4408 |
case 2: |
4409 |
gen_op_mftc0_tcbind(); |
4410 |
break;
|
4411 |
case 3: |
4412 |
gen_op_mftc0_tcrestart(); |
4413 |
break;
|
4414 |
case 4: |
4415 |
gen_op_mftc0_tchalt(); |
4416 |
break;
|
4417 |
case 5: |
4418 |
gen_op_mftc0_tccontext(); |
4419 |
break;
|
4420 |
case 6: |
4421 |
gen_op_mftc0_tcschedule(); |
4422 |
break;
|
4423 |
case 7: |
4424 |
gen_op_mftc0_tcschefback(); |
4425 |
break;
|
4426 |
default:
|
4427 |
gen_mfc0(env, ctx, rt, sel); |
4428 |
break;
|
4429 |
} |
4430 |
break;
|
4431 |
case 10: |
4432 |
switch (sel) {
|
4433 |
case 0: |
4434 |
gen_op_mftc0_entryhi(); |
4435 |
break;
|
4436 |
default:
|
4437 |
gen_mfc0(env, ctx, rt, sel); |
4438 |
break;
|
4439 |
} |
4440 |
case 12: |
4441 |
switch (sel) {
|
4442 |
case 0: |
4443 |
gen_op_mftc0_status(); |
4444 |
break;
|
4445 |
default:
|
4446 |
gen_mfc0(env, ctx, rt, sel); |
4447 |
break;
|
4448 |
} |
4449 |
case 23: |
4450 |
switch (sel) {
|
4451 |
case 0: |
4452 |
gen_op_mftc0_debug(); |
4453 |
break;
|
4454 |
default:
|
4455 |
gen_mfc0(env, ctx, rt, sel); |
4456 |
break;
|
4457 |
} |
4458 |
break;
|
4459 |
default:
|
4460 |
gen_mfc0(env, ctx, rt, sel); |
4461 |
} |
4462 |
} else switch (sel) { |
4463 |
/* GPR registers. */
|
4464 |
case 0: |
4465 |
gen_op_mftgpr(rt); |
4466 |
break;
|
4467 |
/* Auxiliary CPU registers */
|
4468 |
case 1: |
4469 |
switch (rt) {
|
4470 |
case 0: |
4471 |
gen_op_mftlo(0);
|
4472 |
break;
|
4473 |
case 1: |
4474 |
gen_op_mfthi(0);
|
4475 |
break;
|
4476 |
case 2: |
4477 |
gen_op_mftacx(0);
|
4478 |
break;
|
4479 |
case 4: |
4480 |
gen_op_mftlo(1);
|
4481 |
break;
|
4482 |
case 5: |
4483 |
gen_op_mfthi(1);
|
4484 |
break;
|
4485 |
case 6: |
4486 |
gen_op_mftacx(1);
|
4487 |
break;
|
4488 |
case 8: |
4489 |
gen_op_mftlo(2);
|
4490 |
break;
|
4491 |
case 9: |
4492 |
gen_op_mfthi(2);
|
4493 |
break;
|
4494 |
case 10: |
4495 |
gen_op_mftacx(2);
|
4496 |
break;
|
4497 |
case 12: |
4498 |
gen_op_mftlo(3);
|
4499 |
break;
|
4500 |
case 13: |
4501 |
gen_op_mfthi(3);
|
4502 |
break;
|
4503 |
case 14: |
4504 |
gen_op_mftacx(3);
|
4505 |
break;
|
4506 |
case 16: |
4507 |
gen_op_mftdsp(); |
4508 |
break;
|
4509 |
default:
|
4510 |
goto die;
|
4511 |
} |
4512 |
break;
|
4513 |
/* Floating point (COP1). */
|
4514 |
case 2: |
4515 |
/* XXX: For now we support only a single FPU context. */
|
4516 |
if (h == 0) { |
4517 |
GEN_LOAD_FREG_FTN(WT0, rt); |
4518 |
gen_op_mfc1(); |
4519 |
} else {
|
4520 |
GEN_LOAD_FREG_FTN(WTH0, rt); |
4521 |
gen_op_mfhc1(); |
4522 |
} |
4523 |
break;
|
4524 |
case 3: |
4525 |
/* XXX: For now we support only a single FPU context. */
|
4526 |
gen_op_cfc1(rt); |
4527 |
break;
|
4528 |
/* COP2: Not implemented. */
|
4529 |
case 4: |
4530 |
case 5: |
4531 |
/* fall through */
|
4532 |
default:
|
4533 |
goto die;
|
4534 |
} |
4535 |
#if defined MIPS_DEBUG_DISAS
|
4536 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4537 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
4538 |
rt, u, sel, h); |
4539 |
} |
4540 |
#endif
|
4541 |
return;
|
4542 |
|
4543 |
die:
|
4544 |
#if defined MIPS_DEBUG_DISAS
|
4545 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4546 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
4547 |
rt, u, sel, h); |
4548 |
} |
4549 |
#endif
|
4550 |
generate_exception(ctx, EXCP_RI); |
4551 |
} |
4552 |
|
4553 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, |
4554 |
int u, int sel, int h) |
4555 |
{ |
4556 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
4557 |
|
4558 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
4559 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
4560 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
4561 |
/* NOP */ ;
|
4562 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
4563 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
4564 |
/* NOP */ ;
|
4565 |
else if (u == 0) { |
4566 |
switch (rd) {
|
4567 |
case 2: |
4568 |
switch (sel) {
|
4569 |
case 1: |
4570 |
gen_op_mttc0_tcstatus(); |
4571 |
break;
|
4572 |
case 2: |
4573 |
gen_op_mttc0_tcbind(); |
4574 |
break;
|
4575 |
case 3: |
4576 |
gen_op_mttc0_tcrestart(); |
4577 |
break;
|
4578 |
case 4: |
4579 |
gen_op_mttc0_tchalt(); |
4580 |
break;
|
4581 |
case 5: |
4582 |
gen_op_mttc0_tccontext(); |
4583 |
break;
|
4584 |
case 6: |
4585 |
gen_op_mttc0_tcschedule(); |
4586 |
break;
|
4587 |
case 7: |
4588 |
gen_op_mttc0_tcschefback(); |
4589 |
break;
|
4590 |
default:
|
4591 |
gen_mtc0(env, ctx, rd, sel); |
4592 |
break;
|
4593 |
} |
4594 |
break;
|
4595 |
case 10: |
4596 |
switch (sel) {
|
4597 |
case 0: |
4598 |
gen_op_mttc0_entryhi(); |
4599 |
break;
|
4600 |
default:
|
4601 |
gen_mtc0(env, ctx, rd, sel); |
4602 |
break;
|
4603 |
} |
4604 |
case 12: |
4605 |
switch (sel) {
|
4606 |
case 0: |
4607 |
gen_op_mttc0_status(); |
4608 |
break;
|
4609 |
default:
|
4610 |
gen_mtc0(env, ctx, rd, sel); |
4611 |
break;
|
4612 |
} |
4613 |
case 23: |
4614 |
switch (sel) {
|
4615 |
case 0: |
4616 |
gen_op_mttc0_debug(); |
4617 |
break;
|
4618 |
default:
|
4619 |
gen_mtc0(env, ctx, rd, sel); |
4620 |
break;
|
4621 |
} |
4622 |
break;
|
4623 |
default:
|
4624 |
gen_mtc0(env, ctx, rd, sel); |
4625 |
} |
4626 |
} else switch (sel) { |
4627 |
/* GPR registers. */
|
4628 |
case 0: |
4629 |
gen_op_mttgpr(rd); |
4630 |
break;
|
4631 |
/* Auxiliary CPU registers */
|
4632 |
case 1: |
4633 |
switch (rd) {
|
4634 |
case 0: |
4635 |
gen_op_mttlo(0);
|
4636 |
break;
|
4637 |
case 1: |
4638 |
gen_op_mtthi(0);
|
4639 |
break;
|
4640 |
case 2: |
4641 |
gen_op_mttacx(0);
|
4642 |
break;
|
4643 |
case 4: |
4644 |
gen_op_mttlo(1);
|
4645 |
break;
|
4646 |
case 5: |
4647 |
gen_op_mtthi(1);
|
4648 |
break;
|
4649 |
case 6: |
4650 |
gen_op_mttacx(1);
|
4651 |
break;
|
4652 |
case 8: |
4653 |
gen_op_mttlo(2);
|
4654 |
break;
|
4655 |
case 9: |
4656 |
gen_op_mtthi(2);
|
4657 |
break;
|
4658 |
case 10: |
4659 |
gen_op_mttacx(2);
|
4660 |
break;
|
4661 |
case 12: |
4662 |
gen_op_mttlo(3);
|
4663 |
break;
|
4664 |
case 13: |
4665 |
gen_op_mtthi(3);
|
4666 |
break;
|
4667 |
case 14: |
4668 |
gen_op_mttacx(3);
|
4669 |
break;
|
4670 |
case 16: |
4671 |
gen_op_mttdsp(); |
4672 |
break;
|
4673 |
default:
|
4674 |
goto die;
|
4675 |
} |
4676 |
break;
|
4677 |
/* Floating point (COP1). */
|
4678 |
case 2: |
4679 |
/* XXX: For now we support only a single FPU context. */
|
4680 |
if (h == 0) { |
4681 |
gen_op_mtc1(); |
4682 |
GEN_STORE_FTN_FREG(rd, WT0); |
4683 |
} else {
|
4684 |
gen_op_mthc1(); |
4685 |
GEN_STORE_FTN_FREG(rd, WTH0); |
4686 |
} |
4687 |
break;
|
4688 |
case 3: |
4689 |
/* XXX: For now we support only a single FPU context. */
|
4690 |
gen_op_ctc1(rd); |
4691 |
break;
|
4692 |
/* COP2: Not implemented. */
|
4693 |
case 4: |
4694 |
case 5: |
4695 |
/* fall through */
|
4696 |
default:
|
4697 |
goto die;
|
4698 |
} |
4699 |
#if defined MIPS_DEBUG_DISAS
|
4700 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4701 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
4702 |
rd, u, sel, h); |
4703 |
} |
4704 |
#endif
|
4705 |
return;
|
4706 |
|
4707 |
die:
|
4708 |
#if defined MIPS_DEBUG_DISAS
|
4709 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4710 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
4711 |
rd, u, sel, h); |
4712 |
} |
4713 |
#endif
|
4714 |
generate_exception(ctx, EXCP_RI); |
4715 |
} |
4716 |
|
4717 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
4718 |
{ |
4719 |
const char *opn = "ldst"; |
4720 |
|
4721 |
switch (opc) {
|
4722 |
case OPC_MFC0:
|
4723 |
if (rt == 0) { |
4724 |
/* Treat as NOP. */
|
4725 |
return;
|
4726 |
} |
4727 |
gen_mfc0(env, ctx, rd, ctx->opcode & 0x7);
|
4728 |
gen_op_store_T0_gpr(rt); |
4729 |
opn = "mfc0";
|
4730 |
break;
|
4731 |
case OPC_MTC0:
|
4732 |
GEN_LOAD_REG_T0(rt); |
4733 |
save_cpu_state(ctx, 1);
|
4734 |
gen_mtc0(env, ctx, rd, ctx->opcode & 0x7);
|
4735 |
opn = "mtc0";
|
4736 |
break;
|
4737 |
#if defined(TARGET_MIPS64)
|
4738 |
case OPC_DMFC0:
|
4739 |
check_insn(env, ctx, ISA_MIPS3); |
4740 |
if (rt == 0) { |
4741 |
/* Treat as NOP. */
|
4742 |
return;
|
4743 |
} |
4744 |
gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7);
|
4745 |
gen_op_store_T0_gpr(rt); |
4746 |
opn = "dmfc0";
|
4747 |
break;
|
4748 |
case OPC_DMTC0:
|
4749 |
check_insn(env, ctx, ISA_MIPS3); |
4750 |
GEN_LOAD_REG_T0(rt); |
4751 |
save_cpu_state(ctx, 1);
|
4752 |
gen_dmtc0(env, ctx, rd, ctx->opcode & 0x7);
|
4753 |
opn = "dmtc0";
|
4754 |
break;
|
4755 |
#endif
|
4756 |
case OPC_MFTR:
|
4757 |
check_insn(env, ctx, ASE_MT); |
4758 |
if (rd == 0) { |
4759 |
/* Treat as NOP. */
|
4760 |
return;
|
4761 |
} |
4762 |
gen_mftr(env, ctx, rt, (ctx->opcode >> 5) & 1, |
4763 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
4764 |
gen_op_store_T0_gpr(rd); |
4765 |
opn = "mftr";
|
4766 |
break;
|
4767 |
case OPC_MTTR:
|
4768 |
check_insn(env, ctx, ASE_MT); |
4769 |
GEN_LOAD_REG_T0(rt); |
4770 |
gen_mttr(env, ctx, rd, (ctx->opcode >> 5) & 1, |
4771 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
4772 |
opn = "mttr";
|
4773 |
break;
|
4774 |
case OPC_TLBWI:
|
4775 |
opn = "tlbwi";
|
4776 |
if (!env->tlb->do_tlbwi)
|
4777 |
goto die;
|
4778 |
gen_op_tlbwi(); |
4779 |
break;
|
4780 |
case OPC_TLBWR:
|
4781 |
opn = "tlbwr";
|
4782 |
if (!env->tlb->do_tlbwr)
|
4783 |
goto die;
|
4784 |
gen_op_tlbwr(); |
4785 |
break;
|
4786 |
case OPC_TLBP:
|
4787 |
opn = "tlbp";
|
4788 |
if (!env->tlb->do_tlbp)
|
4789 |
goto die;
|
4790 |
gen_op_tlbp(); |
4791 |
break;
|
4792 |
case OPC_TLBR:
|
4793 |
opn = "tlbr";
|
4794 |
if (!env->tlb->do_tlbr)
|
4795 |
goto die;
|
4796 |
gen_op_tlbr(); |
4797 |
break;
|
4798 |
case OPC_ERET:
|
4799 |
opn = "eret";
|
4800 |
check_insn(env, ctx, ISA_MIPS2); |
4801 |
save_cpu_state(ctx, 1);
|
4802 |
gen_op_eret(); |
4803 |
ctx->bstate = BS_EXCP; |
4804 |
break;
|
4805 |
case OPC_DERET:
|
4806 |
opn = "deret";
|
4807 |
check_insn(env, ctx, ISA_MIPS32); |
4808 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
4809 |
MIPS_INVAL(opn); |
4810 |
generate_exception(ctx, EXCP_RI); |
4811 |
} else {
|
4812 |
save_cpu_state(ctx, 1);
|
4813 |
gen_op_deret(); |
4814 |
ctx->bstate = BS_EXCP; |
4815 |
} |
4816 |
break;
|
4817 |
case OPC_WAIT:
|
4818 |
opn = "wait";
|
4819 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
4820 |
/* If we get an exception, we want to restart at next instruction */
|
4821 |
ctx->pc += 4;
|
4822 |
save_cpu_state(ctx, 1);
|
4823 |
ctx->pc -= 4;
|
4824 |
gen_op_wait(); |
4825 |
ctx->bstate = BS_EXCP; |
4826 |
break;
|
4827 |
default:
|
4828 |
die:
|
4829 |
MIPS_INVAL(opn); |
4830 |
generate_exception(ctx, EXCP_RI); |
4831 |
return;
|
4832 |
} |
4833 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
4834 |
} |
4835 |
|
4836 |
/* CP1 Branches (before delay slot) */
|
4837 |
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
4838 |
int32_t cc, int32_t offset) |
4839 |
{ |
4840 |
target_ulong btarget; |
4841 |
const char *opn = "cp1 cond branch"; |
4842 |
|
4843 |
if (cc != 0) |
4844 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
4845 |
|
4846 |
btarget = ctx->pc + 4 + offset;
|
4847 |
|
4848 |
switch (op) {
|
4849 |
case OPC_BC1F:
|
4850 |
gen_op_bc1f(cc); |
4851 |
opn = "bc1f";
|
4852 |
goto not_likely;
|
4853 |
case OPC_BC1FL:
|
4854 |
gen_op_bc1f(cc); |
4855 |
opn = "bc1fl";
|
4856 |
goto likely;
|
4857 |
case OPC_BC1T:
|
4858 |
gen_op_bc1t(cc); |
4859 |
opn = "bc1t";
|
4860 |
goto not_likely;
|
4861 |
case OPC_BC1TL:
|
4862 |
gen_op_bc1t(cc); |
4863 |
opn = "bc1tl";
|
4864 |
likely:
|
4865 |
ctx->hflags |= MIPS_HFLAG_BL; |
4866 |
gen_op_set_bcond(); |
4867 |
gen_op_save_bcond(); |
4868 |
break;
|
4869 |
case OPC_BC1FANY2:
|
4870 |
gen_op_bc1any2f(cc); |
4871 |
opn = "bc1any2f";
|
4872 |
goto not_likely;
|
4873 |
case OPC_BC1TANY2:
|
4874 |
gen_op_bc1any2t(cc); |
4875 |
opn = "bc1any2t";
|
4876 |
goto not_likely;
|
4877 |
case OPC_BC1FANY4:
|
4878 |
gen_op_bc1any4f(cc); |
4879 |
opn = "bc1any4f";
|
4880 |
goto not_likely;
|
4881 |
case OPC_BC1TANY4:
|
4882 |
gen_op_bc1any4t(cc); |
4883 |
opn = "bc1any4t";
|
4884 |
not_likely:
|
4885 |
ctx->hflags |= MIPS_HFLAG_BC; |
4886 |
gen_op_set_bcond(); |
4887 |
break;
|
4888 |
default:
|
4889 |
MIPS_INVAL(opn); |
4890 |
generate_exception (ctx, EXCP_RI); |
4891 |
return;
|
4892 |
} |
4893 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
4894 |
ctx->hflags, btarget); |
4895 |
ctx->btarget = btarget; |
4896 |
} |
4897 |
|
4898 |
/* Coprocessor 1 (FPU) */
|
4899 |
|
4900 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
4901 |
|
4902 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
4903 |
{ |
4904 |
const char *opn = "cp1 move"; |
4905 |
|
4906 |
switch (opc) {
|
4907 |
case OPC_MFC1:
|
4908 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4909 |
gen_op_mfc1(); |
4910 |
GEN_STORE_T0_REG(rt); |
4911 |
opn = "mfc1";
|
4912 |
break;
|
4913 |
case OPC_MTC1:
|
4914 |
GEN_LOAD_REG_T0(rt); |
4915 |
gen_op_mtc1(); |
4916 |
GEN_STORE_FTN_FREG(fs, WT0); |
4917 |
opn = "mtc1";
|
4918 |
break;
|
4919 |
case OPC_CFC1:
|
4920 |
gen_op_cfc1(fs); |
4921 |
GEN_STORE_T0_REG(rt); |
4922 |
opn = "cfc1";
|
4923 |
break;
|
4924 |
case OPC_CTC1:
|
4925 |
GEN_LOAD_REG_T0(rt); |
4926 |
gen_op_ctc1(fs); |
4927 |
opn = "ctc1";
|
4928 |
break;
|
4929 |
case OPC_DMFC1:
|
4930 |
GEN_LOAD_FREG_FTN(DT0, fs); |
4931 |
gen_op_dmfc1(); |
4932 |
GEN_STORE_T0_REG(rt); |
4933 |
opn = "dmfc1";
|
4934 |
break;
|
4935 |
case OPC_DMTC1:
|
4936 |
GEN_LOAD_REG_T0(rt); |
4937 |
gen_op_dmtc1(); |
4938 |
GEN_STORE_FTN_FREG(fs, DT0); |
4939 |
opn = "dmtc1";
|
4940 |
break;
|
4941 |
case OPC_MFHC1:
|
4942 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
4943 |
gen_op_mfhc1(); |
4944 |
GEN_STORE_T0_REG(rt); |
4945 |
opn = "mfhc1";
|
4946 |
break;
|
4947 |
case OPC_MTHC1:
|
4948 |
GEN_LOAD_REG_T0(rt); |
4949 |
gen_op_mthc1(); |
4950 |
GEN_STORE_FTN_FREG(fs, WTH0); |
4951 |
opn = "mthc1";
|
4952 |
break;
|
4953 |
default:
|
4954 |
MIPS_INVAL(opn); |
4955 |
generate_exception (ctx, EXCP_RI); |
4956 |
return;
|
4957 |
} |
4958 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
4959 |
} |
4960 |
|
4961 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
4962 |
{ |
4963 |
uint32_t ccbit; |
4964 |
|
4965 |
GEN_LOAD_REG_T0(rd); |
4966 |
GEN_LOAD_REG_T1(rs); |
4967 |
if (cc) {
|
4968 |
ccbit = 1 << (24 + cc); |
4969 |
} else
|
4970 |
ccbit = 1 << 23; |
4971 |
if (!tf)
|
4972 |
gen_op_movf(ccbit); |
4973 |
else
|
4974 |
gen_op_movt(ccbit); |
4975 |
GEN_STORE_T0_REG(rd); |
4976 |
} |
4977 |
|
4978 |
#define GEN_MOVCF(fmt) \
|
4979 |
static void glue(gen_movcf_, fmt) (DisasContext *ctx, int cc, int tf) \ |
4980 |
{ \ |
4981 |
uint32_t ccbit; \ |
4982 |
\ |
4983 |
if (cc) { \
|
4984 |
ccbit = 1 << (24 + cc); \ |
4985 |
} else \
|
4986 |
ccbit = 1 << 23; \ |
4987 |
if (!tf) \
|
4988 |
glue(gen_op_float_movf_, fmt)(ccbit); \ |
4989 |
else \
|
4990 |
glue(gen_op_float_movt_, fmt)(ccbit); \ |
4991 |
} |
4992 |
GEN_MOVCF(d); |
4993 |
GEN_MOVCF(s); |
4994 |
GEN_MOVCF(ps); |
4995 |
#undef GEN_MOVCF
|
4996 |
|
4997 |
static void gen_farith (DisasContext *ctx, uint32_t op1, |
4998 |
int ft, int fs, int fd, int cc) |
4999 |
{ |
5000 |
const char *opn = "farith"; |
5001 |
const char *condnames[] = { |
5002 |
"c.f",
|
5003 |
"c.un",
|
5004 |
"c.eq",
|
5005 |
"c.ueq",
|
5006 |
"c.olt",
|
5007 |
"c.ult",
|
5008 |
"c.ole",
|
5009 |
"c.ule",
|
5010 |
"c.sf",
|
5011 |
"c.ngle",
|
5012 |
"c.seq",
|
5013 |
"c.ngl",
|
5014 |
"c.lt",
|
5015 |
"c.nge",
|
5016 |
"c.le",
|
5017 |
"c.ngt",
|
5018 |
}; |
5019 |
const char *condnames_abs[] = { |
5020 |
"cabs.f",
|
5021 |
"cabs.un",
|
5022 |
"cabs.eq",
|
5023 |
"cabs.ueq",
|
5024 |
"cabs.olt",
|
5025 |
"cabs.ult",
|
5026 |
"cabs.ole",
|
5027 |
"cabs.ule",
|
5028 |
"cabs.sf",
|
5029 |
"cabs.ngle",
|
5030 |
"cabs.seq",
|
5031 |
"cabs.ngl",
|
5032 |
"cabs.lt",
|
5033 |
"cabs.nge",
|
5034 |
"cabs.le",
|
5035 |
"cabs.ngt",
|
5036 |
}; |
5037 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
5038 |
uint32_t func = ctx->opcode & 0x3f;
|
5039 |
|
5040 |
switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
5041 |
case FOP(0, 16): |
5042 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5043 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5044 |
gen_op_float_add_s(); |
5045 |
GEN_STORE_FTN_FREG(fd, WT2); |
5046 |
opn = "add.s";
|
5047 |
optype = BINOP; |
5048 |
break;
|
5049 |
case FOP(1, 16): |
5050 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5051 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5052 |
gen_op_float_sub_s(); |
5053 |
GEN_STORE_FTN_FREG(fd, WT2); |
5054 |
opn = "sub.s";
|
5055 |
optype = BINOP; |
5056 |
break;
|
5057 |
case FOP(2, 16): |
5058 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5059 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5060 |
gen_op_float_mul_s(); |
5061 |
GEN_STORE_FTN_FREG(fd, WT2); |
5062 |
opn = "mul.s";
|
5063 |
optype = BINOP; |
5064 |
break;
|
5065 |
case FOP(3, 16): |
5066 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5067 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5068 |
gen_op_float_div_s(); |
5069 |
GEN_STORE_FTN_FREG(fd, WT2); |
5070 |
opn = "div.s";
|
5071 |
optype = BINOP; |
5072 |
break;
|
5073 |
case FOP(4, 16): |
5074 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5075 |
gen_op_float_sqrt_s(); |
5076 |
GEN_STORE_FTN_FREG(fd, WT2); |
5077 |
opn = "sqrt.s";
|
5078 |
break;
|
5079 |
case FOP(5, 16): |
5080 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5081 |
gen_op_float_abs_s(); |
5082 |
GEN_STORE_FTN_FREG(fd, WT2); |
5083 |
opn = "abs.s";
|
5084 |
break;
|
5085 |
case FOP(6, 16): |
5086 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5087 |
gen_op_float_mov_s(); |
5088 |
GEN_STORE_FTN_FREG(fd, WT2); |
5089 |
opn = "mov.s";
|
5090 |
break;
|
5091 |
case FOP(7, 16): |
5092 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5093 |
gen_op_float_chs_s(); |
5094 |
GEN_STORE_FTN_FREG(fd, WT2); |
5095 |
opn = "neg.s";
|
5096 |
break;
|
5097 |
case FOP(8, 16): |
5098 |
check_cp1_64bitmode(ctx); |
5099 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5100 |
gen_op_float_roundl_s(); |
5101 |
GEN_STORE_FTN_FREG(fd, DT2); |
5102 |
opn = "round.l.s";
|
5103 |
break;
|
5104 |
case FOP(9, 16): |
5105 |
check_cp1_64bitmode(ctx); |
5106 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5107 |
gen_op_float_truncl_s(); |
5108 |
GEN_STORE_FTN_FREG(fd, DT2); |
5109 |
opn = "trunc.l.s";
|
5110 |
break;
|
5111 |
case FOP(10, 16): |
5112 |
check_cp1_64bitmode(ctx); |
5113 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5114 |
gen_op_float_ceill_s(); |
5115 |
GEN_STORE_FTN_FREG(fd, DT2); |
5116 |
opn = "ceil.l.s";
|
5117 |
break;
|
5118 |
case FOP(11, 16): |
5119 |
check_cp1_64bitmode(ctx); |
5120 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5121 |
gen_op_float_floorl_s(); |
5122 |
GEN_STORE_FTN_FREG(fd, DT2); |
5123 |
opn = "floor.l.s";
|
5124 |
break;
|
5125 |
case FOP(12, 16): |
5126 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5127 |
gen_op_float_roundw_s(); |
5128 |
GEN_STORE_FTN_FREG(fd, WT2); |
5129 |
opn = "round.w.s";
|
5130 |
break;
|
5131 |
case FOP(13, 16): |
5132 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5133 |
gen_op_float_truncw_s(); |
5134 |
GEN_STORE_FTN_FREG(fd, WT2); |
5135 |
opn = "trunc.w.s";
|
5136 |
break;
|
5137 |
case FOP(14, 16): |
5138 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5139 |
gen_op_float_ceilw_s(); |
5140 |
GEN_STORE_FTN_FREG(fd, WT2); |
5141 |
opn = "ceil.w.s";
|
5142 |
break;
|
5143 |
case FOP(15, 16): |
5144 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5145 |
gen_op_float_floorw_s(); |
5146 |
GEN_STORE_FTN_FREG(fd, WT2); |
5147 |
opn = "floor.w.s";
|
5148 |
break;
|
5149 |
case FOP(17, 16): |
5150 |
GEN_LOAD_REG_T0(ft); |
5151 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5152 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5153 |
gen_movcf_s(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5154 |
GEN_STORE_FTN_FREG(fd, WT2); |
5155 |
opn = "movcf.s";
|
5156 |
break;
|
5157 |
case FOP(18, 16): |
5158 |
GEN_LOAD_REG_T0(ft); |
5159 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5160 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5161 |
gen_op_float_movz_s(); |
5162 |
GEN_STORE_FTN_FREG(fd, WT2); |
5163 |
opn = "movz.s";
|
5164 |
break;
|
5165 |
case FOP(19, 16): |
5166 |
GEN_LOAD_REG_T0(ft); |
5167 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5168 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5169 |
gen_op_float_movn_s(); |
5170 |
GEN_STORE_FTN_FREG(fd, WT2); |
5171 |
opn = "movn.s";
|
5172 |
break;
|
5173 |
case FOP(21, 16): |
5174 |
check_cop1x(ctx); |
5175 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5176 |
gen_op_float_recip_s(); |
5177 |
GEN_STORE_FTN_FREG(fd, WT2); |
5178 |
opn = "recip.s";
|
5179 |
break;
|
5180 |
case FOP(22, 16): |
5181 |
check_cop1x(ctx); |
5182 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5183 |
gen_op_float_rsqrt_s(); |
5184 |
GEN_STORE_FTN_FREG(fd, WT2); |
5185 |
opn = "rsqrt.s";
|
5186 |
break;
|
5187 |
case FOP(28, 16): |
5188 |
check_cp1_64bitmode(ctx); |
5189 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5190 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5191 |
gen_op_float_recip2_s(); |
5192 |
GEN_STORE_FTN_FREG(fd, WT2); |
5193 |
opn = "recip2.s";
|
5194 |
break;
|
5195 |
case FOP(29, 16): |
5196 |
check_cp1_64bitmode(ctx); |
5197 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5198 |
gen_op_float_recip1_s(); |
5199 |
GEN_STORE_FTN_FREG(fd, WT2); |
5200 |
opn = "recip1.s";
|
5201 |
break;
|
5202 |
case FOP(30, 16): |
5203 |
check_cp1_64bitmode(ctx); |
5204 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5205 |
gen_op_float_rsqrt1_s(); |
5206 |
GEN_STORE_FTN_FREG(fd, WT2); |
5207 |
opn = "rsqrt1.s";
|
5208 |
break;
|
5209 |
case FOP(31, 16): |
5210 |
check_cp1_64bitmode(ctx); |
5211 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5212 |
GEN_LOAD_FREG_FTN(WT2, ft); |
5213 |
gen_op_float_rsqrt2_s(); |
5214 |
GEN_STORE_FTN_FREG(fd, WT2); |
5215 |
opn = "rsqrt2.s";
|
5216 |
break;
|
5217 |
case FOP(33, 16): |
5218 |
check_cp1_registers(ctx, fd); |
5219 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5220 |
gen_op_float_cvtd_s(); |
5221 |
GEN_STORE_FTN_FREG(fd, DT2); |
5222 |
opn = "cvt.d.s";
|
5223 |
break;
|
5224 |
case FOP(36, 16): |
5225 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5226 |
gen_op_float_cvtw_s(); |
5227 |
GEN_STORE_FTN_FREG(fd, WT2); |
5228 |
opn = "cvt.w.s";
|
5229 |
break;
|
5230 |
case FOP(37, 16): |
5231 |
check_cp1_64bitmode(ctx); |
5232 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5233 |
gen_op_float_cvtl_s(); |
5234 |
GEN_STORE_FTN_FREG(fd, DT2); |
5235 |
opn = "cvt.l.s";
|
5236 |
break;
|
5237 |
case FOP(38, 16): |
5238 |
check_cp1_64bitmode(ctx); |
5239 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5240 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5241 |
gen_op_float_cvtps_s(); |
5242 |
GEN_STORE_FTN_FREG(fd, DT2); |
5243 |
opn = "cvt.ps.s";
|
5244 |
break;
|
5245 |
case FOP(48, 16): |
5246 |
case FOP(49, 16): |
5247 |
case FOP(50, 16): |
5248 |
case FOP(51, 16): |
5249 |
case FOP(52, 16): |
5250 |
case FOP(53, 16): |
5251 |
case FOP(54, 16): |
5252 |
case FOP(55, 16): |
5253 |
case FOP(56, 16): |
5254 |
case FOP(57, 16): |
5255 |
case FOP(58, 16): |
5256 |
case FOP(59, 16): |
5257 |
case FOP(60, 16): |
5258 |
case FOP(61, 16): |
5259 |
case FOP(62, 16): |
5260 |
case FOP(63, 16): |
5261 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5262 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5263 |
if (ctx->opcode & (1 << 6)) { |
5264 |
check_cop1x(ctx); |
5265 |
gen_cmpabs_s(func-48, cc);
|
5266 |
opn = condnames_abs[func-48];
|
5267 |
} else {
|
5268 |
gen_cmp_s(func-48, cc);
|
5269 |
opn = condnames[func-48];
|
5270 |
} |
5271 |
break;
|
5272 |
case FOP(0, 17): |
5273 |
check_cp1_registers(ctx, fs | ft | fd); |
5274 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5275 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5276 |
gen_op_float_add_d(); |
5277 |
GEN_STORE_FTN_FREG(fd, DT2); |
5278 |
opn = "add.d";
|
5279 |
optype = BINOP; |
5280 |
break;
|
5281 |
case FOP(1, 17): |
5282 |
check_cp1_registers(ctx, fs | ft | fd); |
5283 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5284 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5285 |
gen_op_float_sub_d(); |
5286 |
GEN_STORE_FTN_FREG(fd, DT2); |
5287 |
opn = "sub.d";
|
5288 |
optype = BINOP; |
5289 |
break;
|
5290 |
case FOP(2, 17): |
5291 |
check_cp1_registers(ctx, fs | ft | fd); |
5292 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5293 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5294 |
gen_op_float_mul_d(); |
5295 |
GEN_STORE_FTN_FREG(fd, DT2); |
5296 |
opn = "mul.d";
|
5297 |
optype = BINOP; |
5298 |
break;
|
5299 |
case FOP(3, 17): |
5300 |
check_cp1_registers(ctx, fs | ft | fd); |
5301 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5302 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5303 |
gen_op_float_div_d(); |
5304 |
GEN_STORE_FTN_FREG(fd, DT2); |
5305 |
opn = "div.d";
|
5306 |
optype = BINOP; |
5307 |
break;
|
5308 |
case FOP(4, 17): |
5309 |
check_cp1_registers(ctx, fs | fd); |
5310 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5311 |
gen_op_float_sqrt_d(); |
5312 |
GEN_STORE_FTN_FREG(fd, DT2); |
5313 |
opn = "sqrt.d";
|
5314 |
break;
|
5315 |
case FOP(5, 17): |
5316 |
check_cp1_registers(ctx, fs | fd); |
5317 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5318 |
gen_op_float_abs_d(); |
5319 |
GEN_STORE_FTN_FREG(fd, DT2); |
5320 |
opn = "abs.d";
|
5321 |
break;
|
5322 |
case FOP(6, 17): |
5323 |
check_cp1_registers(ctx, fs | fd); |
5324 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5325 |
gen_op_float_mov_d(); |
5326 |
GEN_STORE_FTN_FREG(fd, DT2); |
5327 |
opn = "mov.d";
|
5328 |
break;
|
5329 |
case FOP(7, 17): |
5330 |
check_cp1_registers(ctx, fs | fd); |
5331 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5332 |
gen_op_float_chs_d(); |
5333 |
GEN_STORE_FTN_FREG(fd, DT2); |
5334 |
opn = "neg.d";
|
5335 |
break;
|
5336 |
case FOP(8, 17): |
5337 |
check_cp1_64bitmode(ctx); |
5338 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5339 |
gen_op_float_roundl_d(); |
5340 |
GEN_STORE_FTN_FREG(fd, DT2); |
5341 |
opn = "round.l.d";
|
5342 |
break;
|
5343 |
case FOP(9, 17): |
5344 |
check_cp1_64bitmode(ctx); |
5345 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5346 |
gen_op_float_truncl_d(); |
5347 |
GEN_STORE_FTN_FREG(fd, DT2); |
5348 |
opn = "trunc.l.d";
|
5349 |
break;
|
5350 |
case FOP(10, 17): |
5351 |
check_cp1_64bitmode(ctx); |
5352 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5353 |
gen_op_float_ceill_d(); |
5354 |
GEN_STORE_FTN_FREG(fd, DT2); |
5355 |
opn = "ceil.l.d";
|
5356 |
break;
|
5357 |
case FOP(11, 17): |
5358 |
check_cp1_64bitmode(ctx); |
5359 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5360 |
gen_op_float_floorl_d(); |
5361 |
GEN_STORE_FTN_FREG(fd, DT2); |
5362 |
opn = "floor.l.d";
|
5363 |
break;
|
5364 |
case FOP(12, 17): |
5365 |
check_cp1_registers(ctx, fs); |
5366 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5367 |
gen_op_float_roundw_d(); |
5368 |
GEN_STORE_FTN_FREG(fd, WT2); |
5369 |
opn = "round.w.d";
|
5370 |
break;
|
5371 |
case FOP(13, 17): |
5372 |
check_cp1_registers(ctx, fs); |
5373 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5374 |
gen_op_float_truncw_d(); |
5375 |
GEN_STORE_FTN_FREG(fd, WT2); |
5376 |
opn = "trunc.w.d";
|
5377 |
break;
|
5378 |
case FOP(14, 17): |
5379 |
check_cp1_registers(ctx, fs); |
5380 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5381 |
gen_op_float_ceilw_d(); |
5382 |
GEN_STORE_FTN_FREG(fd, WT2); |
5383 |
opn = "ceil.w.d";
|
5384 |
break;
|
5385 |
case FOP(15, 17): |
5386 |
check_cp1_registers(ctx, fs); |
5387 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5388 |
gen_op_float_floorw_d(); |
5389 |
GEN_STORE_FTN_FREG(fd, WT2); |
5390 |
opn = "floor.w.d";
|
5391 |
break;
|
5392 |
case FOP(17, 17): |
5393 |
GEN_LOAD_REG_T0(ft); |
5394 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5395 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5396 |
gen_movcf_d(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5397 |
GEN_STORE_FTN_FREG(fd, DT2); |
5398 |
opn = "movcf.d";
|
5399 |
break;
|
5400 |
case FOP(18, 17): |
5401 |
GEN_LOAD_REG_T0(ft); |
5402 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5403 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5404 |
gen_op_float_movz_d(); |
5405 |
GEN_STORE_FTN_FREG(fd, DT2); |
5406 |
opn = "movz.d";
|
5407 |
break;
|
5408 |
case FOP(19, 17): |
5409 |
GEN_LOAD_REG_T0(ft); |
5410 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5411 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5412 |
gen_op_float_movn_d(); |
5413 |
GEN_STORE_FTN_FREG(fd, DT2); |
5414 |
opn = "movn.d";
|
5415 |
break;
|
5416 |
case FOP(21, 17): |
5417 |
check_cp1_64bitmode(ctx); |
5418 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5419 |
gen_op_float_recip_d(); |
5420 |
GEN_STORE_FTN_FREG(fd, DT2); |
5421 |
opn = "recip.d";
|
5422 |
break;
|
5423 |
case FOP(22, 17): |
5424 |
check_cp1_64bitmode(ctx); |
5425 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5426 |
gen_op_float_rsqrt_d(); |
5427 |
GEN_STORE_FTN_FREG(fd, DT2); |
5428 |
opn = "rsqrt.d";
|
5429 |
break;
|
5430 |
case FOP(28, 17): |
5431 |
check_cp1_64bitmode(ctx); |
5432 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5433 |
GEN_LOAD_FREG_FTN(DT2, ft); |
5434 |
gen_op_float_recip2_d(); |
5435 |
GEN_STORE_FTN_FREG(fd, DT2); |
5436 |
opn = "recip2.d";
|
5437 |
break;
|
5438 |
case FOP(29, 17): |
5439 |
check_cp1_64bitmode(ctx); |
5440 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5441 |
gen_op_float_recip1_d(); |
5442 |
GEN_STORE_FTN_FREG(fd, DT2); |
5443 |
opn = "recip1.d";
|
5444 |
break;
|
5445 |
case FOP(30, 17): |
5446 |
check_cp1_64bitmode(ctx); |
5447 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5448 |
gen_op_float_rsqrt1_d(); |
5449 |
GEN_STORE_FTN_FREG(fd, DT2); |
5450 |
opn = "rsqrt1.d";
|
5451 |
break;
|
5452 |
case FOP(31, 17): |
5453 |
check_cp1_64bitmode(ctx); |
5454 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5455 |
GEN_LOAD_FREG_FTN(DT2, ft); |
5456 |
gen_op_float_rsqrt2_d(); |
5457 |
GEN_STORE_FTN_FREG(fd, DT2); |
5458 |
opn = "rsqrt2.d";
|
5459 |
break;
|
5460 |
case FOP(48, 17): |
5461 |
case FOP(49, 17): |
5462 |
case FOP(50, 17): |
5463 |
case FOP(51, 17): |
5464 |
case FOP(52, 17): |
5465 |
case FOP(53, 17): |
5466 |
case FOP(54, 17): |
5467 |
case FOP(55, 17): |
5468 |
case FOP(56, 17): |
5469 |
case FOP(57, 17): |
5470 |
case FOP(58, 17): |
5471 |
case FOP(59, 17): |
5472 |
case FOP(60, 17): |
5473 |
case FOP(61, 17): |
5474 |
case FOP(62, 17): |
5475 |
case FOP(63, 17): |
5476 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5477 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5478 |
if (ctx->opcode & (1 << 6)) { |
5479 |
check_cop1x(ctx); |
5480 |
check_cp1_registers(ctx, fs | ft); |
5481 |
gen_cmpabs_d(func-48, cc);
|
5482 |
opn = condnames_abs[func-48];
|
5483 |
} else {
|
5484 |
check_cp1_registers(ctx, fs | ft); |
5485 |
gen_cmp_d(func-48, cc);
|
5486 |
opn = condnames[func-48];
|
5487 |
} |
5488 |
break;
|
5489 |
case FOP(32, 17): |
5490 |
check_cp1_registers(ctx, fs); |
5491 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5492 |
gen_op_float_cvts_d(); |
5493 |
GEN_STORE_FTN_FREG(fd, WT2); |
5494 |
opn = "cvt.s.d";
|
5495 |
break;
|
5496 |
case FOP(36, 17): |
5497 |
check_cp1_registers(ctx, fs); |
5498 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5499 |
gen_op_float_cvtw_d(); |
5500 |
GEN_STORE_FTN_FREG(fd, WT2); |
5501 |
opn = "cvt.w.d";
|
5502 |
break;
|
5503 |
case FOP(37, 17): |
5504 |
check_cp1_64bitmode(ctx); |
5505 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5506 |
gen_op_float_cvtl_d(); |
5507 |
GEN_STORE_FTN_FREG(fd, DT2); |
5508 |
opn = "cvt.l.d";
|
5509 |
break;
|
5510 |
case FOP(32, 20): |
5511 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5512 |
gen_op_float_cvts_w(); |
5513 |
GEN_STORE_FTN_FREG(fd, WT2); |
5514 |
opn = "cvt.s.w";
|
5515 |
break;
|
5516 |
case FOP(33, 20): |
5517 |
check_cp1_registers(ctx, fd); |
5518 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5519 |
gen_op_float_cvtd_w(); |
5520 |
GEN_STORE_FTN_FREG(fd, DT2); |
5521 |
opn = "cvt.d.w";
|
5522 |
break;
|
5523 |
case FOP(32, 21): |
5524 |
check_cp1_64bitmode(ctx); |
5525 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5526 |
gen_op_float_cvts_l(); |
5527 |
GEN_STORE_FTN_FREG(fd, WT2); |
5528 |
opn = "cvt.s.l";
|
5529 |
break;
|
5530 |
case FOP(33, 21): |
5531 |
check_cp1_64bitmode(ctx); |
5532 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5533 |
gen_op_float_cvtd_l(); |
5534 |
GEN_STORE_FTN_FREG(fd, DT2); |
5535 |
opn = "cvt.d.l";
|
5536 |
break;
|
5537 |
case FOP(38, 20): |
5538 |
check_cp1_64bitmode(ctx); |
5539 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5540 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5541 |
gen_op_float_cvtps_pw(); |
5542 |
GEN_STORE_FTN_FREG(fd, WT2); |
5543 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5544 |
opn = "cvt.ps.pw";
|
5545 |
break;
|
5546 |
case FOP(0, 22): |
5547 |
check_cp1_64bitmode(ctx); |
5548 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5549 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5550 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5551 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5552 |
gen_op_float_add_ps(); |
5553 |
GEN_STORE_FTN_FREG(fd, WT2); |
5554 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5555 |
opn = "add.ps";
|
5556 |
break;
|
5557 |
case FOP(1, 22): |
5558 |
check_cp1_64bitmode(ctx); |
5559 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5560 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5561 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5562 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5563 |
gen_op_float_sub_ps(); |
5564 |
GEN_STORE_FTN_FREG(fd, WT2); |
5565 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5566 |
opn = "sub.ps";
|
5567 |
break;
|
5568 |
case FOP(2, 22): |
5569 |
check_cp1_64bitmode(ctx); |
5570 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5571 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5572 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5573 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5574 |
gen_op_float_mul_ps(); |
5575 |
GEN_STORE_FTN_FREG(fd, WT2); |
5576 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5577 |
opn = "mul.ps";
|
5578 |
break;
|
5579 |
case FOP(5, 22): |
5580 |
check_cp1_64bitmode(ctx); |
5581 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5582 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5583 |
gen_op_float_abs_ps(); |
5584 |
GEN_STORE_FTN_FREG(fd, WT2); |
5585 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5586 |
opn = "abs.ps";
|
5587 |
break;
|
5588 |
case FOP(6, 22): |
5589 |
check_cp1_64bitmode(ctx); |
5590 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5591 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5592 |
gen_op_float_mov_ps(); |
5593 |
GEN_STORE_FTN_FREG(fd, WT2); |
5594 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5595 |
opn = "mov.ps";
|
5596 |
break;
|
5597 |
case FOP(7, 22): |
5598 |
check_cp1_64bitmode(ctx); |
5599 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5600 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5601 |
gen_op_float_chs_ps(); |
5602 |
GEN_STORE_FTN_FREG(fd, WT2); |
5603 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5604 |
opn = "neg.ps";
|
5605 |
break;
|
5606 |
case FOP(17, 22): |
5607 |
check_cp1_64bitmode(ctx); |
5608 |
GEN_LOAD_REG_T0(ft); |
5609 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5610 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5611 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5612 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5613 |
gen_movcf_ps(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5614 |
GEN_STORE_FTN_FREG(fd, WT2); |
5615 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5616 |
opn = "movcf.ps";
|
5617 |
break;
|
5618 |
case FOP(18, 22): |
5619 |
check_cp1_64bitmode(ctx); |
5620 |
GEN_LOAD_REG_T0(ft); |
5621 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5622 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5623 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5624 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5625 |
gen_op_float_movz_ps(); |
5626 |
GEN_STORE_FTN_FREG(fd, WT2); |
5627 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5628 |
opn = "movz.ps";
|
5629 |
break;
|
5630 |
case FOP(19, 22): |
5631 |
check_cp1_64bitmode(ctx); |
5632 |
GEN_LOAD_REG_T0(ft); |
5633 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5634 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5635 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5636 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5637 |
gen_op_float_movn_ps(); |
5638 |
GEN_STORE_FTN_FREG(fd, WT2); |
5639 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5640 |
opn = "movn.ps";
|
5641 |
break;
|
5642 |
case FOP(24, 22): |
5643 |
check_cp1_64bitmode(ctx); |
5644 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5645 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
5646 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5647 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
5648 |
gen_op_float_addr_ps(); |
5649 |
GEN_STORE_FTN_FREG(fd, WT2); |
5650 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5651 |
opn = "addr.ps";
|
5652 |
break;
|
5653 |
case FOP(26, 22): |
5654 |
check_cp1_64bitmode(ctx); |
5655 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5656 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
5657 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5658 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
5659 |
gen_op_float_mulr_ps(); |
5660 |
GEN_STORE_FTN_FREG(fd, WT2); |
5661 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5662 |
opn = "mulr.ps";
|
5663 |
break;
|
5664 |
case FOP(28, 22): |
5665 |
check_cp1_64bitmode(ctx); |
5666 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5667 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5668 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5669 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5670 |
gen_op_float_recip2_ps(); |
5671 |
GEN_STORE_FTN_FREG(fd, WT2); |
5672 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5673 |
opn = "recip2.ps";
|
5674 |
break;
|
5675 |
case FOP(29, 22): |
5676 |
check_cp1_64bitmode(ctx); |
5677 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5678 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5679 |
gen_op_float_recip1_ps(); |
5680 |
GEN_STORE_FTN_FREG(fd, WT2); |
5681 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5682 |
opn = "recip1.ps";
|
5683 |
break;
|
5684 |
case FOP(30, 22): |
5685 |
check_cp1_64bitmode(ctx); |
5686 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5687 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5688 |
gen_op_float_rsqrt1_ps(); |
5689 |
GEN_STORE_FTN_FREG(fd, WT2); |
5690 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5691 |
opn = "rsqrt1.ps";
|
5692 |
break;
|
5693 |
case FOP(31, 22): |
5694 |
check_cp1_64bitmode(ctx); |
5695 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5696 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5697 |
GEN_LOAD_FREG_FTN(WT2, ft); |
5698 |
GEN_LOAD_FREG_FTN(WTH2, ft); |
5699 |
gen_op_float_rsqrt2_ps(); |
5700 |
GEN_STORE_FTN_FREG(fd, WT2); |
5701 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5702 |
opn = "rsqrt2.ps";
|
5703 |
break;
|
5704 |
case FOP(32, 22): |
5705 |
check_cp1_64bitmode(ctx); |
5706 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5707 |
gen_op_float_cvts_pu(); |
5708 |
GEN_STORE_FTN_FREG(fd, WT2); |
5709 |
opn = "cvt.s.pu";
|
5710 |
break;
|
5711 |
case FOP(36, 22): |
5712 |
check_cp1_64bitmode(ctx); |
5713 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5714 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5715 |
gen_op_float_cvtpw_ps(); |
5716 |
GEN_STORE_FTN_FREG(fd, WT2); |
5717 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5718 |
opn = "cvt.pw.ps";
|
5719 |
break;
|
5720 |
case FOP(40, 22): |
5721 |
check_cp1_64bitmode(ctx); |
5722 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5723 |
gen_op_float_cvts_pl(); |
5724 |
GEN_STORE_FTN_FREG(fd, WT2); |
5725 |
opn = "cvt.s.pl";
|
5726 |
break;
|
5727 |
case FOP(44, 22): |
5728 |
check_cp1_64bitmode(ctx); |
5729 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5730 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5731 |
gen_op_float_pll_ps(); |
5732 |
GEN_STORE_FTN_FREG(fd, DT2); |
5733 |
opn = "pll.ps";
|
5734 |
break;
|
5735 |
case FOP(45, 22): |
5736 |
check_cp1_64bitmode(ctx); |
5737 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5738 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5739 |
gen_op_float_plu_ps(); |
5740 |
GEN_STORE_FTN_FREG(fd, DT2); |
5741 |
opn = "plu.ps";
|
5742 |
break;
|
5743 |
case FOP(46, 22): |
5744 |
check_cp1_64bitmode(ctx); |
5745 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5746 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5747 |
gen_op_float_pul_ps(); |
5748 |
GEN_STORE_FTN_FREG(fd, DT2); |
5749 |
opn = "pul.ps";
|
5750 |
break;
|
5751 |
case FOP(47, 22): |
5752 |
check_cp1_64bitmode(ctx); |
5753 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5754 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5755 |
gen_op_float_puu_ps(); |
5756 |
GEN_STORE_FTN_FREG(fd, DT2); |
5757 |
opn = "puu.ps";
|
5758 |
break;
|
5759 |
case FOP(48, 22): |
5760 |
case FOP(49, 22): |
5761 |
case FOP(50, 22): |
5762 |
case FOP(51, 22): |
5763 |
case FOP(52, 22): |
5764 |
case FOP(53, 22): |
5765 |
case FOP(54, 22): |
5766 |
case FOP(55, 22): |
5767 |
case FOP(56, 22): |
5768 |
case FOP(57, 22): |
5769 |
case FOP(58, 22): |
5770 |
case FOP(59, 22): |
5771 |
case FOP(60, 22): |
5772 |
case FOP(61, 22): |
5773 |
case FOP(62, 22): |
5774 |
case FOP(63, 22): |
5775 |
check_cp1_64bitmode(ctx); |
5776 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5777 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5778 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5779 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5780 |
if (ctx->opcode & (1 << 6)) { |
5781 |
gen_cmpabs_ps(func-48, cc);
|
5782 |
opn = condnames_abs[func-48];
|
5783 |
} else {
|
5784 |
gen_cmp_ps(func-48, cc);
|
5785 |
opn = condnames[func-48];
|
5786 |
} |
5787 |
break;
|
5788 |
default:
|
5789 |
MIPS_INVAL(opn); |
5790 |
generate_exception (ctx, EXCP_RI); |
5791 |
return;
|
5792 |
} |
5793 |
switch (optype) {
|
5794 |
case BINOP:
|
5795 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
5796 |
break;
|
5797 |
case CMPOP:
|
5798 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
5799 |
break;
|
5800 |
default:
|
5801 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
5802 |
break;
|
5803 |
} |
5804 |
} |
5805 |
|
5806 |
/* Coprocessor 3 (FPU) */
|
5807 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
5808 |
int fd, int fs, int base, int index) |
5809 |
{ |
5810 |
const char *opn = "extended float load/store"; |
5811 |
int store = 0; |
5812 |
|
5813 |
if (base == 0) { |
5814 |
if (index == 0) |
5815 |
gen_op_reset_T0(); |
5816 |
else
|
5817 |
GEN_LOAD_REG_T0(index); |
5818 |
} else if (index == 0) { |
5819 |
GEN_LOAD_REG_T0(base); |
5820 |
} else {
|
5821 |
GEN_LOAD_REG_T0(base); |
5822 |
GEN_LOAD_REG_T1(index); |
5823 |
gen_op_addr_add(); |
5824 |
} |
5825 |
/* Don't do NOP if destination is zero: we must perform the actual
|
5826 |
memory access. */
|
5827 |
switch (opc) {
|
5828 |
case OPC_LWXC1:
|
5829 |
check_cop1x(ctx); |
5830 |
op_ldst(lwc1); |
5831 |
GEN_STORE_FTN_FREG(fd, WT0); |
5832 |
opn = "lwxc1";
|
5833 |
break;
|
5834 |
case OPC_LDXC1:
|
5835 |
check_cop1x(ctx); |
5836 |
check_cp1_registers(ctx, fd); |
5837 |
op_ldst(ldc1); |
5838 |
GEN_STORE_FTN_FREG(fd, DT0); |
5839 |
opn = "ldxc1";
|
5840 |
break;
|
5841 |
case OPC_LUXC1:
|
5842 |
check_cp1_64bitmode(ctx); |
5843 |
op_ldst(luxc1); |
5844 |
GEN_STORE_FTN_FREG(fd, DT0); |
5845 |
opn = "luxc1";
|
5846 |
break;
|
5847 |
case OPC_SWXC1:
|
5848 |
check_cop1x(ctx); |
5849 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5850 |
op_ldst(swc1); |
5851 |
opn = "swxc1";
|
5852 |
store = 1;
|
5853 |
break;
|
5854 |
case OPC_SDXC1:
|
5855 |
check_cop1x(ctx); |
5856 |
check_cp1_registers(ctx, fs); |
5857 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5858 |
op_ldst(sdc1); |
5859 |
opn = "sdxc1";
|
5860 |
store = 1;
|
5861 |
break;
|
5862 |
case OPC_SUXC1:
|
5863 |
check_cp1_64bitmode(ctx); |
5864 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5865 |
op_ldst(suxc1); |
5866 |
opn = "suxc1";
|
5867 |
store = 1;
|
5868 |
break;
|
5869 |
default:
|
5870 |
MIPS_INVAL(opn); |
5871 |
generate_exception(ctx, EXCP_RI); |
5872 |
return;
|
5873 |
} |
5874 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
5875 |
regnames[index], regnames[base]); |
5876 |
} |
5877 |
|
5878 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
5879 |
int fd, int fr, int fs, int ft) |
5880 |
{ |
5881 |
const char *opn = "flt3_arith"; |
5882 |
|
5883 |
switch (opc) {
|
5884 |
case OPC_ALNV_PS:
|
5885 |
check_cp1_64bitmode(ctx); |
5886 |
GEN_LOAD_REG_T0(fr); |
5887 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5888 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5889 |
gen_op_float_alnv_ps(); |
5890 |
GEN_STORE_FTN_FREG(fd, DT2); |
5891 |
opn = "alnv.ps";
|
5892 |
break;
|
5893 |
case OPC_MADD_S:
|
5894 |
check_cop1x(ctx); |
5895 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5896 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5897 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5898 |
gen_op_float_muladd_s(); |
5899 |
GEN_STORE_FTN_FREG(fd, WT2); |
5900 |
opn = "madd.s";
|
5901 |
break;
|
5902 |
case OPC_MADD_D:
|
5903 |
check_cop1x(ctx); |
5904 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
5905 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5906 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5907 |
GEN_LOAD_FREG_FTN(DT2, fr); |
5908 |
gen_op_float_muladd_d(); |
5909 |
GEN_STORE_FTN_FREG(fd, DT2); |
5910 |
opn = "madd.d";
|
5911 |
break;
|
5912 |
case OPC_MADD_PS:
|
5913 |
check_cp1_64bitmode(ctx); |
5914 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5915 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5916 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5917 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5918 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5919 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
5920 |
gen_op_float_muladd_ps(); |
5921 |
GEN_STORE_FTN_FREG(fd, WT2); |
5922 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5923 |
opn = "madd.ps";
|
5924 |
break;
|
5925 |
case OPC_MSUB_S:
|
5926 |
check_cop1x(ctx); |
5927 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5928 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5929 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5930 |
gen_op_float_mulsub_s(); |
5931 |
GEN_STORE_FTN_FREG(fd, WT2); |
5932 |
opn = "msub.s";
|
5933 |
break;
|
5934 |
case OPC_MSUB_D:
|
5935 |
check_cop1x(ctx); |
5936 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
5937 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5938 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5939 |
GEN_LOAD_FREG_FTN(DT2, fr); |
5940 |
gen_op_float_mulsub_d(); |
5941 |
GEN_STORE_FTN_FREG(fd, DT2); |
5942 |
opn = "msub.d";
|
5943 |
break;
|
5944 |
case OPC_MSUB_PS:
|
5945 |
check_cp1_64bitmode(ctx); |
5946 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5947 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5948 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5949 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5950 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5951 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
5952 |
gen_op_float_mulsub_ps(); |
5953 |
GEN_STORE_FTN_FREG(fd, WT2); |
5954 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5955 |
opn = "msub.ps";
|
5956 |
break;
|
5957 |
case OPC_NMADD_S:
|
5958 |
check_cop1x(ctx); |
5959 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5960 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5961 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5962 |
gen_op_float_nmuladd_s(); |
5963 |
GEN_STORE_FTN_FREG(fd, WT2); |
5964 |
opn = "nmadd.s";
|
5965 |
break;
|
5966 |
case OPC_NMADD_D:
|
5967 |
check_cop1x(ctx); |
5968 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
5969 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5970 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5971 |
GEN_LOAD_FREG_FTN(DT2, fr); |
5972 |
gen_op_float_nmuladd_d(); |
5973 |
GEN_STORE_FTN_FREG(fd, DT2); |
5974 |
opn = "nmadd.d";
|
5975 |
break;
|
5976 |
case OPC_NMADD_PS:
|
5977 |
check_cp1_64bitmode(ctx); |
5978 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5979 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5980 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5981 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5982 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5983 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
5984 |
gen_op_float_nmuladd_ps(); |
5985 |
GEN_STORE_FTN_FREG(fd, WT2); |
5986 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5987 |
opn = "nmadd.ps";
|
5988 |
break;
|
5989 |
case OPC_NMSUB_S:
|
5990 |
check_cop1x(ctx); |
5991 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5992 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5993 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5994 |
gen_op_float_nmulsub_s(); |
5995 |
GEN_STORE_FTN_FREG(fd, WT2); |
5996 |
opn = "nmsub.s";
|
5997 |
break;
|
5998 |
case OPC_NMSUB_D:
|
5999 |
check_cop1x(ctx); |
6000 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6001 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6002 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6003 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6004 |
gen_op_float_nmulsub_d(); |
6005 |
GEN_STORE_FTN_FREG(fd, DT2); |
6006 |
opn = "nmsub.d";
|
6007 |
break;
|
6008 |
case OPC_NMSUB_PS:
|
6009 |
check_cp1_64bitmode(ctx); |
6010 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6011 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6012 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6013 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6014 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6015 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6016 |
gen_op_float_nmulsub_ps(); |
6017 |
GEN_STORE_FTN_FREG(fd, WT2); |
6018 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6019 |
opn = "nmsub.ps";
|
6020 |
break;
|
6021 |
default:
|
6022 |
MIPS_INVAL(opn); |
6023 |
generate_exception (ctx, EXCP_RI); |
6024 |
return;
|
6025 |
} |
6026 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
6027 |
fregnames[fs], fregnames[ft]); |
6028 |
} |
6029 |
|
6030 |
/* ISA extensions (ASEs) */
|
6031 |
/* MIPS16 extension to MIPS32 */
|
6032 |
/* SmartMIPS extension to MIPS32 */
|
6033 |
|
6034 |
#if defined(TARGET_MIPS64)
|
6035 |
|
6036 |
/* MDMX extension to MIPS64 */
|
6037 |
|
6038 |
#endif
|
6039 |
|
6040 |
static void decode_opc (CPUState *env, DisasContext *ctx) |
6041 |
{ |
6042 |
int32_t offset; |
6043 |
int rs, rt, rd, sa;
|
6044 |
uint32_t op, op1, op2; |
6045 |
int16_t imm; |
6046 |
|
6047 |
/* make sure instructions are on a word boundary */
|
6048 |
if (ctx->pc & 0x3) { |
6049 |
env->CP0_BadVAddr = ctx->pc; |
6050 |
generate_exception(ctx, EXCP_AdEL); |
6051 |
return;
|
6052 |
} |
6053 |
|
6054 |
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
|
6055 |
int l1;
|
6056 |
/* Handle blikely not taken case */
|
6057 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
6058 |
l1 = gen_new_label(); |
6059 |
gen_op_jnz_T2(l1); |
6060 |
gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK); |
6061 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
6062 |
gen_set_label(l1); |
6063 |
} |
6064 |
op = MASK_OP_MAJOR(ctx->opcode); |
6065 |
rs = (ctx->opcode >> 21) & 0x1f; |
6066 |
rt = (ctx->opcode >> 16) & 0x1f; |
6067 |
rd = (ctx->opcode >> 11) & 0x1f; |
6068 |
sa = (ctx->opcode >> 6) & 0x1f; |
6069 |
imm = (int16_t)ctx->opcode; |
6070 |
switch (op) {
|
6071 |
case OPC_SPECIAL:
|
6072 |
op1 = MASK_SPECIAL(ctx->opcode); |
6073 |
switch (op1) {
|
6074 |
case OPC_SLL: /* Arithmetic with immediate */ |
6075 |
case OPC_SRL ... OPC_SRA:
|
6076 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
6077 |
break;
|
6078 |
case OPC_MOVZ ... OPC_MOVN:
|
6079 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6080 |
case OPC_SLLV: /* Arithmetic */ |
6081 |
case OPC_SRLV ... OPC_SRAV:
|
6082 |
case OPC_ADD ... OPC_NOR:
|
6083 |
case OPC_SLT ... OPC_SLTU:
|
6084 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6085 |
break;
|
6086 |
case OPC_MULT ... OPC_DIVU:
|
6087 |
if (sa) {
|
6088 |
check_insn(env, ctx, INSN_VR54XX); |
6089 |
op1 = MASK_MUL_VR54XX(ctx->opcode); |
6090 |
gen_mul_vr54xx(ctx, op1, rd, rs, rt); |
6091 |
} else
|
6092 |
gen_muldiv(ctx, op1, rs, rt); |
6093 |
break;
|
6094 |
case OPC_JR ... OPC_JALR:
|
6095 |
gen_compute_branch(ctx, op1, rs, rd, sa); |
6096 |
return;
|
6097 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
6098 |
case OPC_TNE:
|
6099 |
gen_trap(ctx, op1, rs, rt, -1);
|
6100 |
break;
|
6101 |
case OPC_MFHI: /* Move from HI/LO */ |
6102 |
case OPC_MFLO:
|
6103 |
gen_HILO(ctx, op1, rd); |
6104 |
break;
|
6105 |
case OPC_MTHI:
|
6106 |
case OPC_MTLO: /* Move to HI/LO */ |
6107 |
gen_HILO(ctx, op1, rs); |
6108 |
break;
|
6109 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
6110 |
#ifdef MIPS_STRICT_STANDARD
|
6111 |
MIPS_INVAL("PMON / selsl");
|
6112 |
generate_exception(ctx, EXCP_RI); |
6113 |
#else
|
6114 |
gen_op_pmon(sa); |
6115 |
#endif
|
6116 |
break;
|
6117 |
case OPC_SYSCALL:
|
6118 |
generate_exception(ctx, EXCP_SYSCALL); |
6119 |
break;
|
6120 |
case OPC_BREAK:
|
6121 |
generate_exception(ctx, EXCP_BREAK); |
6122 |
break;
|
6123 |
case OPC_SPIM:
|
6124 |
#ifdef MIPS_STRICT_STANDARD
|
6125 |
MIPS_INVAL("SPIM");
|
6126 |
generate_exception(ctx, EXCP_RI); |
6127 |
#else
|
6128 |
/* Implemented as RI exception for now. */
|
6129 |
MIPS_INVAL("spim (unofficial)");
|
6130 |
generate_exception(ctx, EXCP_RI); |
6131 |
#endif
|
6132 |
break;
|
6133 |
case OPC_SYNC:
|
6134 |
/* Treat as NOP. */
|
6135 |
break;
|
6136 |
|
6137 |
case OPC_MOVCI:
|
6138 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6139 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6140 |
save_cpu_state(ctx, 1);
|
6141 |
check_cp1_enabled(ctx); |
6142 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
6143 |
(ctx->opcode >> 16) & 1); |
6144 |
} else {
|
6145 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6146 |
} |
6147 |
break;
|
6148 |
|
6149 |
#if defined(TARGET_MIPS64)
|
6150 |
/* MIPS64 specific opcodes */
|
6151 |
case OPC_DSLL:
|
6152 |
case OPC_DSRL ... OPC_DSRA:
|
6153 |
case OPC_DSLL32:
|
6154 |
case OPC_DSRL32 ... OPC_DSRA32:
|
6155 |
check_insn(env, ctx, ISA_MIPS3); |
6156 |
check_mips_64(ctx); |
6157 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
6158 |
break;
|
6159 |
case OPC_DSLLV:
|
6160 |
case OPC_DSRLV ... OPC_DSRAV:
|
6161 |
case OPC_DADD ... OPC_DSUBU:
|
6162 |
check_insn(env, ctx, ISA_MIPS3); |
6163 |
check_mips_64(ctx); |
6164 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6165 |
break;
|
6166 |
case OPC_DMULT ... OPC_DDIVU:
|
6167 |
check_insn(env, ctx, ISA_MIPS3); |
6168 |
check_mips_64(ctx); |
6169 |
gen_muldiv(ctx, op1, rs, rt); |
6170 |
break;
|
6171 |
#endif
|
6172 |
default: /* Invalid */ |
6173 |
MIPS_INVAL("special");
|
6174 |
generate_exception(ctx, EXCP_RI); |
6175 |
break;
|
6176 |
} |
6177 |
break;
|
6178 |
case OPC_SPECIAL2:
|
6179 |
op1 = MASK_SPECIAL2(ctx->opcode); |
6180 |
switch (op1) {
|
6181 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
6182 |
case OPC_MSUB ... OPC_MSUBU:
|
6183 |
check_insn(env, ctx, ISA_MIPS32); |
6184 |
gen_muldiv(ctx, op1, rs, rt); |
6185 |
break;
|
6186 |
case OPC_MUL:
|
6187 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6188 |
break;
|
6189 |
case OPC_CLZ ... OPC_CLO:
|
6190 |
check_insn(env, ctx, ISA_MIPS32); |
6191 |
gen_cl(ctx, op1, rd, rs); |
6192 |
break;
|
6193 |
case OPC_SDBBP:
|
6194 |
/* XXX: not clear which exception should be raised
|
6195 |
* when in debug mode...
|
6196 |
*/
|
6197 |
check_insn(env, ctx, ISA_MIPS32); |
6198 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
6199 |
generate_exception(ctx, EXCP_DBp); |
6200 |
} else {
|
6201 |
generate_exception(ctx, EXCP_DBp); |
6202 |
} |
6203 |
/* Treat as NOP. */
|
6204 |
break;
|
6205 |
#if defined(TARGET_MIPS64)
|
6206 |
case OPC_DCLZ ... OPC_DCLO:
|
6207 |
check_insn(env, ctx, ISA_MIPS64); |
6208 |
check_mips_64(ctx); |
6209 |
gen_cl(ctx, op1, rd, rs); |
6210 |
break;
|
6211 |
#endif
|
6212 |
default: /* Invalid */ |
6213 |
MIPS_INVAL("special2");
|
6214 |
generate_exception(ctx, EXCP_RI); |
6215 |
break;
|
6216 |
} |
6217 |
break;
|
6218 |
case OPC_SPECIAL3:
|
6219 |
op1 = MASK_SPECIAL3(ctx->opcode); |
6220 |
switch (op1) {
|
6221 |
case OPC_EXT:
|
6222 |
case OPC_INS:
|
6223 |
check_insn(env, ctx, ISA_MIPS32R2); |
6224 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
6225 |
break;
|
6226 |
case OPC_BSHFL:
|
6227 |
check_insn(env, ctx, ISA_MIPS32R2); |
6228 |
op2 = MASK_BSHFL(ctx->opcode); |
6229 |
switch (op2) {
|
6230 |
case OPC_WSBH:
|
6231 |
GEN_LOAD_REG_T1(rt); |
6232 |
gen_op_wsbh(); |
6233 |
break;
|
6234 |
case OPC_SEB:
|
6235 |
GEN_LOAD_REG_T1(rt); |
6236 |
gen_op_seb(); |
6237 |
break;
|
6238 |
case OPC_SEH:
|
6239 |
GEN_LOAD_REG_T1(rt); |
6240 |
gen_op_seh(); |
6241 |
break;
|
6242 |
default: /* Invalid */ |
6243 |
MIPS_INVAL("bshfl");
|
6244 |
generate_exception(ctx, EXCP_RI); |
6245 |
break;
|
6246 |
} |
6247 |
GEN_STORE_T0_REG(rd); |
6248 |
break;
|
6249 |
case OPC_RDHWR:
|
6250 |
check_insn(env, ctx, ISA_MIPS32R2); |
6251 |
switch (rd) {
|
6252 |
case 0: |
6253 |
save_cpu_state(ctx, 1);
|
6254 |
gen_op_rdhwr_cpunum(); |
6255 |
break;
|
6256 |
case 1: |
6257 |
save_cpu_state(ctx, 1);
|
6258 |
gen_op_rdhwr_synci_step(); |
6259 |
break;
|
6260 |
case 2: |
6261 |
save_cpu_state(ctx, 1);
|
6262 |
gen_op_rdhwr_cc(); |
6263 |
break;
|
6264 |
case 3: |
6265 |
save_cpu_state(ctx, 1);
|
6266 |
gen_op_rdhwr_ccres(); |
6267 |
break;
|
6268 |
case 29: |
6269 |
#if defined (CONFIG_USER_ONLY)
|
6270 |
gen_op_tls_value(); |
6271 |
break;
|
6272 |
#endif
|
6273 |
default: /* Invalid */ |
6274 |
MIPS_INVAL("rdhwr");
|
6275 |
generate_exception(ctx, EXCP_RI); |
6276 |
break;
|
6277 |
} |
6278 |
GEN_STORE_T0_REG(rt); |
6279 |
break;
|
6280 |
case OPC_FORK:
|
6281 |
check_insn(env, ctx, ASE_MT); |
6282 |
GEN_LOAD_REG_T0(rt); |
6283 |
GEN_LOAD_REG_T1(rs); |
6284 |
gen_op_fork(); |
6285 |
break;
|
6286 |
case OPC_YIELD:
|
6287 |
check_insn(env, ctx, ASE_MT); |
6288 |
GEN_LOAD_REG_T0(rs); |
6289 |
gen_op_yield(); |
6290 |
GEN_STORE_T0_REG(rd); |
6291 |
break;
|
6292 |
#if defined(TARGET_MIPS64)
|
6293 |
case OPC_DEXTM ... OPC_DEXT:
|
6294 |
case OPC_DINSM ... OPC_DINS:
|
6295 |
check_insn(env, ctx, ISA_MIPS64R2); |
6296 |
check_mips_64(ctx); |
6297 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
6298 |
break;
|
6299 |
case OPC_DBSHFL:
|
6300 |
check_insn(env, ctx, ISA_MIPS64R2); |
6301 |
check_mips_64(ctx); |
6302 |
op2 = MASK_DBSHFL(ctx->opcode); |
6303 |
switch (op2) {
|
6304 |
case OPC_DSBH:
|
6305 |
GEN_LOAD_REG_T1(rt); |
6306 |
gen_op_dsbh(); |
6307 |
break;
|
6308 |
case OPC_DSHD:
|
6309 |
GEN_LOAD_REG_T1(rt); |
6310 |
gen_op_dshd(); |
6311 |
break;
|
6312 |
default: /* Invalid */ |
6313 |
MIPS_INVAL("dbshfl");
|
6314 |
generate_exception(ctx, EXCP_RI); |
6315 |
break;
|
6316 |
} |
6317 |
GEN_STORE_T0_REG(rd); |
6318 |
break;
|
6319 |
#endif
|
6320 |
default: /* Invalid */ |
6321 |
MIPS_INVAL("special3");
|
6322 |
generate_exception(ctx, EXCP_RI); |
6323 |
break;
|
6324 |
} |
6325 |
break;
|
6326 |
case OPC_REGIMM:
|
6327 |
op1 = MASK_REGIMM(ctx->opcode); |
6328 |
switch (op1) {
|
6329 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
6330 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
6331 |
gen_compute_branch(ctx, op1, rs, -1, imm << 2); |
6332 |
return;
|
6333 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
6334 |
case OPC_TNEI:
|
6335 |
gen_trap(ctx, op1, rs, -1, imm);
|
6336 |
break;
|
6337 |
case OPC_SYNCI:
|
6338 |
check_insn(env, ctx, ISA_MIPS32R2); |
6339 |
/* Treat as NOP. */
|
6340 |
break;
|
6341 |
default: /* Invalid */ |
6342 |
MIPS_INVAL("regimm");
|
6343 |
generate_exception(ctx, EXCP_RI); |
6344 |
break;
|
6345 |
} |
6346 |
break;
|
6347 |
case OPC_CP0:
|
6348 |
check_cp0_enabled(ctx); |
6349 |
op1 = MASK_CP0(ctx->opcode); |
6350 |
switch (op1) {
|
6351 |
case OPC_MFC0:
|
6352 |
case OPC_MTC0:
|
6353 |
case OPC_MFTR:
|
6354 |
case OPC_MTTR:
|
6355 |
#if defined(TARGET_MIPS64)
|
6356 |
case OPC_DMFC0:
|
6357 |
case OPC_DMTC0:
|
6358 |
#endif
|
6359 |
gen_cp0(env, ctx, op1, rt, rd); |
6360 |
break;
|
6361 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
6362 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
6363 |
break;
|
6364 |
case OPC_MFMC0:
|
6365 |
op2 = MASK_MFMC0(ctx->opcode); |
6366 |
switch (op2) {
|
6367 |
case OPC_DMT:
|
6368 |
check_insn(env, ctx, ASE_MT); |
6369 |
gen_op_dmt(); |
6370 |
break;
|
6371 |
case OPC_EMT:
|
6372 |
check_insn(env, ctx, ASE_MT); |
6373 |
gen_op_emt(); |
6374 |
break;
|
6375 |
case OPC_DVPE:
|
6376 |
check_insn(env, ctx, ASE_MT); |
6377 |
gen_op_dvpe(); |
6378 |
break;
|
6379 |
case OPC_EVPE:
|
6380 |
check_insn(env, ctx, ASE_MT); |
6381 |
gen_op_evpe(); |
6382 |
break;
|
6383 |
case OPC_DI:
|
6384 |
check_insn(env, ctx, ISA_MIPS32R2); |
6385 |
save_cpu_state(ctx, 1);
|
6386 |
gen_op_di(); |
6387 |
/* Stop translation as we may have switched the execution mode */
|
6388 |
ctx->bstate = BS_STOP; |
6389 |
break;
|
6390 |
case OPC_EI:
|
6391 |
check_insn(env, ctx, ISA_MIPS32R2); |
6392 |
save_cpu_state(ctx, 1);
|
6393 |
gen_op_ei(); |
6394 |
/* Stop translation as we may have switched the execution mode */
|
6395 |
ctx->bstate = BS_STOP; |
6396 |
break;
|
6397 |
default: /* Invalid */ |
6398 |
MIPS_INVAL("mfmc0");
|
6399 |
generate_exception(ctx, EXCP_RI); |
6400 |
break;
|
6401 |
} |
6402 |
GEN_STORE_T0_REG(rt); |
6403 |
break;
|
6404 |
case OPC_RDPGPR:
|
6405 |
check_insn(env, ctx, ISA_MIPS32R2); |
6406 |
GEN_LOAD_SRSREG_TN(T0, rt); |
6407 |
GEN_STORE_T0_REG(rd); |
6408 |
break;
|
6409 |
case OPC_WRPGPR:
|
6410 |
check_insn(env, ctx, ISA_MIPS32R2); |
6411 |
GEN_LOAD_REG_T0(rt); |
6412 |
GEN_STORE_TN_SRSREG(rd, T0); |
6413 |
break;
|
6414 |
default:
|
6415 |
MIPS_INVAL("cp0");
|
6416 |
generate_exception(ctx, EXCP_RI); |
6417 |
break;
|
6418 |
} |
6419 |
break;
|
6420 |
case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */ |
6421 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
6422 |
break;
|
6423 |
case OPC_J ... OPC_JAL: /* Jump */ |
6424 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
6425 |
gen_compute_branch(ctx, op, rs, rt, offset); |
6426 |
return;
|
6427 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
6428 |
case OPC_BEQL ... OPC_BGTZL:
|
6429 |
gen_compute_branch(ctx, op, rs, rt, imm << 2);
|
6430 |
return;
|
6431 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
6432 |
case OPC_SB ... OPC_SW:
|
6433 |
case OPC_SWR:
|
6434 |
case OPC_LL:
|
6435 |
case OPC_SC:
|
6436 |
gen_ldst(ctx, op, rt, rs, imm); |
6437 |
break;
|
6438 |
case OPC_CACHE:
|
6439 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
6440 |
/* Treat as NOP. */
|
6441 |
break;
|
6442 |
case OPC_PREF:
|
6443 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6444 |
/* Treat as NOP. */
|
6445 |
break;
|
6446 |
|
6447 |
/* Floating point (COP1). */
|
6448 |
case OPC_LWC1:
|
6449 |
case OPC_LDC1:
|
6450 |
case OPC_SWC1:
|
6451 |
case OPC_SDC1:
|
6452 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6453 |
save_cpu_state(ctx, 1);
|
6454 |
check_cp1_enabled(ctx); |
6455 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
6456 |
} else {
|
6457 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6458 |
} |
6459 |
break;
|
6460 |
|
6461 |
case OPC_CP1:
|
6462 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6463 |
save_cpu_state(ctx, 1);
|
6464 |
check_cp1_enabled(ctx); |
6465 |
op1 = MASK_CP1(ctx->opcode); |
6466 |
switch (op1) {
|
6467 |
case OPC_MFHC1:
|
6468 |
case OPC_MTHC1:
|
6469 |
check_insn(env, ctx, ISA_MIPS32R2); |
6470 |
case OPC_MFC1:
|
6471 |
case OPC_CFC1:
|
6472 |
case OPC_MTC1:
|
6473 |
case OPC_CTC1:
|
6474 |
gen_cp1(ctx, op1, rt, rd); |
6475 |
break;
|
6476 |
#if defined(TARGET_MIPS64)
|
6477 |
case OPC_DMFC1:
|
6478 |
case OPC_DMTC1:
|
6479 |
check_insn(env, ctx, ISA_MIPS3); |
6480 |
gen_cp1(ctx, op1, rt, rd); |
6481 |
break;
|
6482 |
#endif
|
6483 |
case OPC_BC1ANY2:
|
6484 |
case OPC_BC1ANY4:
|
6485 |
check_cop1x(ctx); |
6486 |
check_insn(env, ctx, ASE_MIPS3D); |
6487 |
/* fall through */
|
6488 |
case OPC_BC1:
|
6489 |
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
6490 |
(rt >> 2) & 0x7, imm << 2); |
6491 |
return;
|
6492 |
case OPC_S_FMT:
|
6493 |
case OPC_D_FMT:
|
6494 |
case OPC_W_FMT:
|
6495 |
case OPC_L_FMT:
|
6496 |
case OPC_PS_FMT:
|
6497 |
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, |
6498 |
(imm >> 8) & 0x7); |
6499 |
break;
|
6500 |
default:
|
6501 |
MIPS_INVAL("cp1");
|
6502 |
generate_exception (ctx, EXCP_RI); |
6503 |
break;
|
6504 |
} |
6505 |
} else {
|
6506 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6507 |
} |
6508 |
break;
|
6509 |
|
6510 |
/* COP2. */
|
6511 |
case OPC_LWC2:
|
6512 |
case OPC_LDC2:
|
6513 |
case OPC_SWC2:
|
6514 |
case OPC_SDC2:
|
6515 |
case OPC_CP2:
|
6516 |
/* COP2: Not implemented. */
|
6517 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
6518 |
break;
|
6519 |
|
6520 |
case OPC_CP3:
|
6521 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6522 |
save_cpu_state(ctx, 1);
|
6523 |
check_cp1_enabled(ctx); |
6524 |
op1 = MASK_CP3(ctx->opcode); |
6525 |
switch (op1) {
|
6526 |
case OPC_LWXC1:
|
6527 |
case OPC_LDXC1:
|
6528 |
case OPC_LUXC1:
|
6529 |
case OPC_SWXC1:
|
6530 |
case OPC_SDXC1:
|
6531 |
case OPC_SUXC1:
|
6532 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
6533 |
break;
|
6534 |
case OPC_PREFX:
|
6535 |
/* Treat as NOP. */
|
6536 |
break;
|
6537 |
case OPC_ALNV_PS:
|
6538 |
case OPC_MADD_S:
|
6539 |
case OPC_MADD_D:
|
6540 |
case OPC_MADD_PS:
|
6541 |
case OPC_MSUB_S:
|
6542 |
case OPC_MSUB_D:
|
6543 |
case OPC_MSUB_PS:
|
6544 |
case OPC_NMADD_S:
|
6545 |
case OPC_NMADD_D:
|
6546 |
case OPC_NMADD_PS:
|
6547 |
case OPC_NMSUB_S:
|
6548 |
case OPC_NMSUB_D:
|
6549 |
case OPC_NMSUB_PS:
|
6550 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
6551 |
break;
|
6552 |
default:
|
6553 |
MIPS_INVAL("cp3");
|
6554 |
generate_exception (ctx, EXCP_RI); |
6555 |
break;
|
6556 |
} |
6557 |
} else {
|
6558 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6559 |
} |
6560 |
break;
|
6561 |
|
6562 |
#if defined(TARGET_MIPS64)
|
6563 |
/* MIPS64 opcodes */
|
6564 |
case OPC_LWU:
|
6565 |
case OPC_LDL ... OPC_LDR:
|
6566 |
case OPC_SDL ... OPC_SDR:
|
6567 |
case OPC_LLD:
|
6568 |
case OPC_LD:
|
6569 |
case OPC_SCD:
|
6570 |
case OPC_SD:
|
6571 |
check_insn(env, ctx, ISA_MIPS3); |
6572 |
check_mips_64(ctx); |
6573 |
gen_ldst(ctx, op, rt, rs, imm); |
6574 |
break;
|
6575 |
case OPC_DADDI ... OPC_DADDIU:
|
6576 |
check_insn(env, ctx, ISA_MIPS3); |
6577 |
check_mips_64(ctx); |
6578 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
6579 |
break;
|
6580 |
#endif
|
6581 |
case OPC_JALX:
|
6582 |
check_insn(env, ctx, ASE_MIPS16); |
6583 |
/* MIPS16: Not implemented. */
|
6584 |
case OPC_MDMX:
|
6585 |
check_insn(env, ctx, ASE_MDMX); |
6586 |
/* MDMX: Not implemented. */
|
6587 |
default: /* Invalid */ |
6588 |
MIPS_INVAL("major opcode");
|
6589 |
generate_exception(ctx, EXCP_RI); |
6590 |
break;
|
6591 |
} |
6592 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
6593 |
int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
6594 |
/* Branches completion */
|
6595 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
6596 |
ctx->bstate = BS_BRANCH; |
6597 |
save_cpu_state(ctx, 0);
|
6598 |
switch (hflags) {
|
6599 |
case MIPS_HFLAG_B:
|
6600 |
/* unconditional branch */
|
6601 |
MIPS_DEBUG("unconditional branch");
|
6602 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
6603 |
break;
|
6604 |
case MIPS_HFLAG_BL:
|
6605 |
/* blikely taken case */
|
6606 |
MIPS_DEBUG("blikely branch taken");
|
6607 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
6608 |
break;
|
6609 |
case MIPS_HFLAG_BC:
|
6610 |
/* Conditional branch */
|
6611 |
MIPS_DEBUG("conditional branch");
|
6612 |
{ |
6613 |
int l1;
|
6614 |
l1 = gen_new_label(); |
6615 |
gen_op_jnz_T2(l1); |
6616 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
6617 |
gen_set_label(l1); |
6618 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
6619 |
} |
6620 |
break;
|
6621 |
case MIPS_HFLAG_BR:
|
6622 |
/* unconditional branch to register */
|
6623 |
MIPS_DEBUG("branch to register");
|
6624 |
gen_op_breg(); |
6625 |
tcg_gen_exit_tb(0);
|
6626 |
break;
|
6627 |
default:
|
6628 |
MIPS_DEBUG("unknown branch");
|
6629 |
break;
|
6630 |
} |
6631 |
} |
6632 |
} |
6633 |
|
6634 |
static always_inline int |
6635 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
6636 |
int search_pc)
|
6637 |
{ |
6638 |
DisasContext ctx; |
6639 |
target_ulong pc_start; |
6640 |
uint16_t *gen_opc_end; |
6641 |
int j, lj = -1; |
6642 |
|
6643 |
if (search_pc && loglevel)
|
6644 |
fprintf (logfile, "search pc %d\n", search_pc);
|
6645 |
|
6646 |
pc_start = tb->pc; |
6647 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
6648 |
ctx.pc = pc_start; |
6649 |
ctx.saved_pc = -1;
|
6650 |
ctx.tb = tb; |
6651 |
ctx.bstate = BS_NONE; |
6652 |
/* Restore delay slot state from the tb context. */
|
6653 |
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
|
6654 |
restore_cpu_state(env, &ctx); |
6655 |
#if defined(CONFIG_USER_ONLY)
|
6656 |
ctx.mem_idx = MIPS_HFLAG_UM; |
6657 |
#else
|
6658 |
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
6659 |
#endif
|
6660 |
#ifdef DEBUG_DISAS
|
6661 |
if (loglevel & CPU_LOG_TB_CPU) {
|
6662 |
fprintf(logfile, "------------------------------------------------\n");
|
6663 |
/* FIXME: This may print out stale hflags from env... */
|
6664 |
cpu_dump_state(env, logfile, fprintf, 0);
|
6665 |
} |
6666 |
#endif
|
6667 |
#ifdef MIPS_DEBUG_DISAS
|
6668 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
6669 |
fprintf(logfile, "\ntb %p idx %d hflags %04x\n",
|
6670 |
tb, ctx.mem_idx, ctx.hflags); |
6671 |
#endif
|
6672 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
6673 |
if (env->nb_breakpoints > 0) { |
6674 |
for(j = 0; j < env->nb_breakpoints; j++) { |
6675 |
if (env->breakpoints[j] == ctx.pc) {
|
6676 |
save_cpu_state(&ctx, 1);
|
6677 |
ctx.bstate = BS_BRANCH; |
6678 |
gen_op_debug(); |
6679 |
/* Include the breakpoint location or the tb won't
|
6680 |
* be flushed when it must be. */
|
6681 |
ctx.pc += 4;
|
6682 |
goto done_generating;
|
6683 |
} |
6684 |
} |
6685 |
} |
6686 |
|
6687 |
if (search_pc) {
|
6688 |
j = gen_opc_ptr - gen_opc_buf; |
6689 |
if (lj < j) {
|
6690 |
lj++; |
6691 |
while (lj < j)
|
6692 |
gen_opc_instr_start[lj++] = 0;
|
6693 |
} |
6694 |
gen_opc_pc[lj] = ctx.pc; |
6695 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
6696 |
gen_opc_instr_start[lj] = 1;
|
6697 |
} |
6698 |
ctx.opcode = ldl_code(ctx.pc); |
6699 |
decode_opc(env, &ctx); |
6700 |
ctx.pc += 4;
|
6701 |
|
6702 |
if (env->singlestep_enabled)
|
6703 |
break;
|
6704 |
|
6705 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
6706 |
break;
|
6707 |
|
6708 |
#if defined (MIPS_SINGLE_STEP)
|
6709 |
break;
|
6710 |
#endif
|
6711 |
} |
6712 |
if (env->singlestep_enabled) {
|
6713 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
6714 |
gen_op_debug(); |
6715 |
} else {
|
6716 |
switch (ctx.bstate) {
|
6717 |
case BS_STOP:
|
6718 |
gen_op_interrupt_restart(); |
6719 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
6720 |
break;
|
6721 |
case BS_NONE:
|
6722 |
save_cpu_state(&ctx, 0);
|
6723 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
6724 |
break;
|
6725 |
case BS_EXCP:
|
6726 |
gen_op_interrupt_restart(); |
6727 |
tcg_gen_exit_tb(0);
|
6728 |
break;
|
6729 |
case BS_BRANCH:
|
6730 |
default:
|
6731 |
break;
|
6732 |
} |
6733 |
} |
6734 |
done_generating:
|
6735 |
ctx.last_T0_store = NULL;
|
6736 |
*gen_opc_ptr = INDEX_op_end; |
6737 |
if (search_pc) {
|
6738 |
j = gen_opc_ptr - gen_opc_buf; |
6739 |
lj++; |
6740 |
while (lj <= j)
|
6741 |
gen_opc_instr_start[lj++] = 0;
|
6742 |
} else {
|
6743 |
tb->size = ctx.pc - pc_start; |
6744 |
} |
6745 |
#ifdef DEBUG_DISAS
|
6746 |
#if defined MIPS_DEBUG_DISAS
|
6747 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
6748 |
fprintf(logfile, "\n");
|
6749 |
#endif
|
6750 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
6751 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
6752 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
6753 |
fprintf(logfile, "\n");
|
6754 |
} |
6755 |
if (loglevel & CPU_LOG_TB_CPU) {
|
6756 |
fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
|
6757 |
} |
6758 |
#endif
|
6759 |
|
6760 |
return 0; |
6761 |
} |
6762 |
|
6763 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
6764 |
{ |
6765 |
return gen_intermediate_code_internal(env, tb, 0); |
6766 |
} |
6767 |
|
6768 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
6769 |
{ |
6770 |
return gen_intermediate_code_internal(env, tb, 1); |
6771 |
} |
6772 |
|
6773 |
void fpu_dump_state(CPUState *env, FILE *f,
|
6774 |
int (*fpu_fprintf)(FILE *f, const char *fmt, ...), |
6775 |
int flags)
|
6776 |
{ |
6777 |
int i;
|
6778 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
6779 |
|
6780 |
#define printfpr(fp) \
|
6781 |
do { \
|
6782 |
if (is_fpu64) \
|
6783 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
|
6784 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ |
6785 |
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ |
6786 |
else { \
|
6787 |
fpr_t tmp; \ |
6788 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
6789 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
6790 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
|
6791 |
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ |
6792 |
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ |
6793 |
} \ |
6794 |
} while(0) |
6795 |
|
6796 |
|
6797 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
|
6798 |
env->fpu->fcr0, env->fpu->fcr31, is_fpu64, env->fpu->fp_status, |
6799 |
get_float_exception_flags(&env->fpu->fp_status)); |
6800 |
fpu_fprintf(f, "FT0: "); printfpr(&env->fpu->ft0);
|
6801 |
fpu_fprintf(f, "FT1: "); printfpr(&env->fpu->ft1);
|
6802 |
fpu_fprintf(f, "FT2: "); printfpr(&env->fpu->ft2);
|
6803 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
6804 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
6805 |
printfpr(&env->fpu->fpr[i]); |
6806 |
} |
6807 |
|
6808 |
#undef printfpr
|
6809 |
} |
6810 |
|
6811 |
void dump_fpu (CPUState *env)
|
6812 |
{ |
6813 |
if (loglevel) {
|
6814 |
fprintf(logfile, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n", |
6815 |
env->PC[env->current_tc], env->HI[env->current_tc][0], env->LO[env->current_tc][0], env->hflags, env->btarget, env->bcond); |
6816 |
fpu_dump_state(env, logfile, fprintf, 0);
|
6817 |
} |
6818 |
} |
6819 |
|
6820 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
6821 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
6822 |
sign-extened values on 64bit machines. */
|
6823 |
|
6824 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
6825 |
|
6826 |
void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
|
6827 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
6828 |
int flags)
|
6829 |
{ |
6830 |
int i;
|
6831 |
|
6832 |
if (!SIGN_EXT_P(env->PC[env->current_tc]))
|
6833 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC[env->current_tc]); |
6834 |
if (!SIGN_EXT_P(env->HI[env->current_tc][0])) |
6835 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI[env->current_tc][0]); |
6836 |
if (!SIGN_EXT_P(env->LO[env->current_tc][0])) |
6837 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO[env->current_tc][0]); |
6838 |
if (!SIGN_EXT_P(env->btarget))
|
6839 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
6840 |
|
6841 |
for (i = 0; i < 32; i++) { |
6842 |
if (!SIGN_EXT_P(env->gpr[env->current_tc][i]))
|
6843 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[env->current_tc][i]); |
6844 |
} |
6845 |
|
6846 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
6847 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
6848 |
if (!SIGN_EXT_P(env->CP0_LLAddr))
|
6849 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr); |
6850 |
} |
6851 |
#endif
|
6852 |
|
6853 |
void cpu_dump_state (CPUState *env, FILE *f,
|
6854 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
6855 |
int flags)
|
6856 |
{ |
6857 |
int i;
|
6858 |
|
6859 |
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", |
6860 |
env->PC[env->current_tc], env->HI[env->current_tc], env->LO[env->current_tc], env->hflags, env->btarget, env->bcond); |
6861 |
for (i = 0; i < 32; i++) { |
6862 |
if ((i & 3) == 0) |
6863 |
cpu_fprintf(f, "GPR%02d:", i);
|
6864 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[env->current_tc][i]);
|
6865 |
if ((i & 3) == 3) |
6866 |
cpu_fprintf(f, "\n");
|
6867 |
} |
6868 |
|
6869 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
6870 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
6871 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
6872 |
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr); |
6873 |
if (env->hflags & MIPS_HFLAG_FPU)
|
6874 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
6875 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
6876 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
6877 |
#endif
|
6878 |
} |
6879 |
|
6880 |
#include "translate_init.c" |
6881 |
|
6882 |
CPUMIPSState *cpu_mips_init (const char *cpu_model) |
6883 |
{ |
6884 |
CPUMIPSState *env; |
6885 |
const mips_def_t *def;
|
6886 |
|
6887 |
def = cpu_mips_find_by_name(cpu_model); |
6888 |
if (!def)
|
6889 |
return NULL; |
6890 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
6891 |
if (!env)
|
6892 |
return NULL; |
6893 |
env->cpu_model = def; |
6894 |
|
6895 |
cpu_exec_init(env); |
6896 |
env->cpu_model_str = cpu_model; |
6897 |
cpu_reset(env); |
6898 |
return env;
|
6899 |
} |
6900 |
|
6901 |
void cpu_reset (CPUMIPSState *env)
|
6902 |
{ |
6903 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
6904 |
|
6905 |
tlb_flush(env, 1);
|
6906 |
|
6907 |
/* Minimal init */
|
6908 |
#if !defined(CONFIG_USER_ONLY)
|
6909 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
6910 |
/* If the exception was raised from a delay slot,
|
6911 |
* come back to the jump. */
|
6912 |
env->CP0_ErrorEPC = env->PC[env->current_tc] - 4;
|
6913 |
} else {
|
6914 |
env->CP0_ErrorEPC = env->PC[env->current_tc]; |
6915 |
} |
6916 |
env->PC[env->current_tc] = (int32_t)0xBFC00000;
|
6917 |
env->CP0_Wired = 0;
|
6918 |
/* SMP not implemented */
|
6919 |
env->CP0_EBase = 0x80000000;
|
6920 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
6921 |
/* vectored interrupts not implemented, timer on int 7,
|
6922 |
no performance counters. */
|
6923 |
env->CP0_IntCtl = 0xe0000000;
|
6924 |
{ |
6925 |
int i;
|
6926 |
|
6927 |
for (i = 0; i < 7; i++) { |
6928 |
env->CP0_WatchLo[i] = 0;
|
6929 |
env->CP0_WatchHi[i] = 0x80000000;
|
6930 |
} |
6931 |
env->CP0_WatchLo[7] = 0; |
6932 |
env->CP0_WatchHi[7] = 0; |
6933 |
} |
6934 |
/* Count register increments in debug mode, EJTAG version 1 */
|
6935 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
6936 |
#endif
|
6937 |
env->exception_index = EXCP_NONE; |
6938 |
#if defined(CONFIG_USER_ONLY)
|
6939 |
env->hflags = MIPS_HFLAG_UM; |
6940 |
env->user_mode_only = 1;
|
6941 |
#else
|
6942 |
env->hflags = MIPS_HFLAG_CP0; |
6943 |
#endif
|
6944 |
cpu_mips_register(env, env->cpu_model); |
6945 |
} |
6946 |
|
6947 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
6948 |
unsigned long searched_pc, int pc_pos, void *puc) |
6949 |
{ |
6950 |
env->PC[env->current_tc] = gen_opc_pc[pc_pos]; |
6951 |
env->hflags &= ~MIPS_HFLAG_BMASK; |
6952 |
env->hflags |= gen_opc_hflags[pc_pos]; |
6953 |
} |