root / target-mips / translate.c @ 84774e8e
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/*
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* MIPS32 emulation for qemu: main translation routines.
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*
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* Copyright (c) 2004-2005 Jocelyn Mayer
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* Copyright (c) 2006 Marius Groeger (FPU operations)
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* Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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#include <string.h> |
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#include <inttypes.h> |
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#include "cpu.h" |
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#include "exec-all.h" |
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#include "disas.h" |
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#include "helper.h" |
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#include "tcg-op.h" |
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#include "qemu-common.h" |
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//#define MIPS_DEBUG_DISAS
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//#define MIPS_DEBUG_SIGN_EXTENSIONS
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//#define MIPS_SINGLE_STEP
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/* MIPS major opcodes */
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#define MASK_OP_MAJOR(op) (op & (0x3F << 26)) |
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enum {
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/* indirect opcode tables */
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OPC_SPECIAL = (0x00 << 26), |
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OPC_REGIMM = (0x01 << 26), |
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OPC_CP0 = (0x10 << 26), |
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OPC_CP1 = (0x11 << 26), |
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OPC_CP2 = (0x12 << 26), |
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OPC_CP3 = (0x13 << 26), |
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OPC_SPECIAL2 = (0x1C << 26), |
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OPC_SPECIAL3 = (0x1F << 26), |
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/* arithmetic with immediate */
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OPC_ADDI = (0x08 << 26), |
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OPC_ADDIU = (0x09 << 26), |
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OPC_SLTI = (0x0A << 26), |
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OPC_SLTIU = (0x0B << 26), |
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OPC_ANDI = (0x0C << 26), |
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OPC_ORI = (0x0D << 26), |
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OPC_XORI = (0x0E << 26), |
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OPC_LUI = (0x0F << 26), |
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OPC_DADDI = (0x18 << 26), |
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OPC_DADDIU = (0x19 << 26), |
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/* Jump and branches */
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OPC_J = (0x02 << 26), |
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OPC_JAL = (0x03 << 26), |
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OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ |
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OPC_BEQL = (0x14 << 26), |
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OPC_BNE = (0x05 << 26), |
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OPC_BNEL = (0x15 << 26), |
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OPC_BLEZ = (0x06 << 26), |
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OPC_BLEZL = (0x16 << 26), |
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OPC_BGTZ = (0x07 << 26), |
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OPC_BGTZL = (0x17 << 26), |
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OPC_JALX = (0x1D << 26), /* MIPS 16 only */ |
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/* Load and stores */
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OPC_LDL = (0x1A << 26), |
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OPC_LDR = (0x1B << 26), |
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OPC_LB = (0x20 << 26), |
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OPC_LH = (0x21 << 26), |
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OPC_LWL = (0x22 << 26), |
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OPC_LW = (0x23 << 26), |
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OPC_LBU = (0x24 << 26), |
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OPC_LHU = (0x25 << 26), |
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OPC_LWR = (0x26 << 26), |
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OPC_LWU = (0x27 << 26), |
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OPC_SB = (0x28 << 26), |
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OPC_SH = (0x29 << 26), |
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OPC_SWL = (0x2A << 26), |
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OPC_SW = (0x2B << 26), |
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OPC_SDL = (0x2C << 26), |
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OPC_SDR = (0x2D << 26), |
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OPC_SWR = (0x2E << 26), |
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OPC_LL = (0x30 << 26), |
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OPC_LLD = (0x34 << 26), |
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OPC_LD = (0x37 << 26), |
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OPC_SC = (0x38 << 26), |
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OPC_SCD = (0x3C << 26), |
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OPC_SD = (0x3F << 26), |
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/* Floating point load/store */
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OPC_LWC1 = (0x31 << 26), |
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OPC_LWC2 = (0x32 << 26), |
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OPC_LDC1 = (0x35 << 26), |
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OPC_LDC2 = (0x36 << 26), |
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OPC_SWC1 = (0x39 << 26), |
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OPC_SWC2 = (0x3A << 26), |
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OPC_SDC1 = (0x3D << 26), |
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OPC_SDC2 = (0x3E << 26), |
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/* MDMX ASE specific */
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OPC_MDMX = (0x1E << 26), |
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/* Cache and prefetch */
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OPC_CACHE = (0x2F << 26), |
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OPC_PREF = (0x33 << 26), |
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/* Reserved major opcode */
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OPC_MAJOR3B_RESERVED = (0x3B << 26), |
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}; |
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/* MIPS special opcodes */
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#define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
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enum {
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/* Shifts */
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OPC_SLL = 0x00 | OPC_SPECIAL,
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/* NOP is SLL r0, r0, 0 */
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/* SSNOP is SLL r0, r0, 1 */
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/* EHB is SLL r0, r0, 3 */
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OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ |
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OPC_SRA = 0x03 | OPC_SPECIAL,
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OPC_SLLV = 0x04 | OPC_SPECIAL,
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OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ |
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OPC_SRAV = 0x07 | OPC_SPECIAL,
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OPC_DSLLV = 0x14 | OPC_SPECIAL,
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OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ |
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OPC_DSRAV = 0x17 | OPC_SPECIAL,
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OPC_DSLL = 0x38 | OPC_SPECIAL,
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OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ |
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OPC_DSRA = 0x3B | OPC_SPECIAL,
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OPC_DSLL32 = 0x3C | OPC_SPECIAL,
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OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ |
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OPC_DSRA32 = 0x3F | OPC_SPECIAL,
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/* Multiplication / division */
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OPC_MULT = 0x18 | OPC_SPECIAL,
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OPC_MULTU = 0x19 | OPC_SPECIAL,
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OPC_DIV = 0x1A | OPC_SPECIAL,
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OPC_DIVU = 0x1B | OPC_SPECIAL,
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OPC_DMULT = 0x1C | OPC_SPECIAL,
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OPC_DMULTU = 0x1D | OPC_SPECIAL,
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OPC_DDIV = 0x1E | OPC_SPECIAL,
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OPC_DDIVU = 0x1F | OPC_SPECIAL,
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/* 2 registers arithmetic / logic */
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OPC_ADD = 0x20 | OPC_SPECIAL,
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OPC_ADDU = 0x21 | OPC_SPECIAL,
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OPC_SUB = 0x22 | OPC_SPECIAL,
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OPC_SUBU = 0x23 | OPC_SPECIAL,
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OPC_AND = 0x24 | OPC_SPECIAL,
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OPC_OR = 0x25 | OPC_SPECIAL,
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OPC_XOR = 0x26 | OPC_SPECIAL,
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OPC_NOR = 0x27 | OPC_SPECIAL,
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OPC_SLT = 0x2A | OPC_SPECIAL,
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OPC_SLTU = 0x2B | OPC_SPECIAL,
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OPC_DADD = 0x2C | OPC_SPECIAL,
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OPC_DADDU = 0x2D | OPC_SPECIAL,
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OPC_DSUB = 0x2E | OPC_SPECIAL,
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OPC_DSUBU = 0x2F | OPC_SPECIAL,
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/* Jumps */
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OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ |
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OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ |
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/* Traps */
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OPC_TGE = 0x30 | OPC_SPECIAL,
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OPC_TGEU = 0x31 | OPC_SPECIAL,
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OPC_TLT = 0x32 | OPC_SPECIAL,
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OPC_TLTU = 0x33 | OPC_SPECIAL,
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OPC_TEQ = 0x34 | OPC_SPECIAL,
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OPC_TNE = 0x36 | OPC_SPECIAL,
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/* HI / LO registers load & stores */
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OPC_MFHI = 0x10 | OPC_SPECIAL,
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OPC_MTHI = 0x11 | OPC_SPECIAL,
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OPC_MFLO = 0x12 | OPC_SPECIAL,
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OPC_MTLO = 0x13 | OPC_SPECIAL,
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/* Conditional moves */
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OPC_MOVZ = 0x0A | OPC_SPECIAL,
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OPC_MOVN = 0x0B | OPC_SPECIAL,
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OPC_MOVCI = 0x01 | OPC_SPECIAL,
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/* Special */
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OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */ |
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OPC_SYSCALL = 0x0C | OPC_SPECIAL,
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OPC_BREAK = 0x0D | OPC_SPECIAL,
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OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */ |
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OPC_SYNC = 0x0F | OPC_SPECIAL,
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OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
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OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
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OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
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OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
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OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
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OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
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OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
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}; |
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/* Multiplication variants of the vr54xx. */
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#define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6)) |
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enum {
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OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT, |
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OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU, |
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OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT, |
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OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU, |
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OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT, |
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OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU, |
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OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT, |
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OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU, |
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OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT, |
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OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU, |
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OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT, |
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OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU, |
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OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT, |
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OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU, |
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}; |
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/* REGIMM (rt field) opcodes */
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#define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16)) |
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enum {
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OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, |
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OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, |
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OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, |
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OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, |
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OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, |
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OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, |
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OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, |
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OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, |
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OPC_TGEI = (0x08 << 16) | OPC_REGIMM, |
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OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, |
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OPC_TLTI = (0x0A << 16) | OPC_REGIMM, |
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OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, |
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OPC_TEQI = (0x0C << 16) | OPC_REGIMM, |
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OPC_TNEI = (0x0E << 16) | OPC_REGIMM, |
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OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, |
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}; |
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/* Special2 opcodes */
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#define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
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enum {
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/* Multiply & xxx operations */
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OPC_MADD = 0x00 | OPC_SPECIAL2,
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OPC_MADDU = 0x01 | OPC_SPECIAL2,
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OPC_MUL = 0x02 | OPC_SPECIAL2,
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OPC_MSUB = 0x04 | OPC_SPECIAL2,
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OPC_MSUBU = 0x05 | OPC_SPECIAL2,
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/* Misc */
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OPC_CLZ = 0x20 | OPC_SPECIAL2,
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OPC_CLO = 0x21 | OPC_SPECIAL2,
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OPC_DCLZ = 0x24 | OPC_SPECIAL2,
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OPC_DCLO = 0x25 | OPC_SPECIAL2,
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/* Special */
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OPC_SDBBP = 0x3F | OPC_SPECIAL2,
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}; |
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/* Special3 opcodes */
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#define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
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enum {
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OPC_EXT = 0x00 | OPC_SPECIAL3,
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OPC_DEXTM = 0x01 | OPC_SPECIAL3,
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OPC_DEXTU = 0x02 | OPC_SPECIAL3,
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OPC_DEXT = 0x03 | OPC_SPECIAL3,
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OPC_INS = 0x04 | OPC_SPECIAL3,
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OPC_DINSM = 0x05 | OPC_SPECIAL3,
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OPC_DINSU = 0x06 | OPC_SPECIAL3,
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OPC_DINS = 0x07 | OPC_SPECIAL3,
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OPC_FORK = 0x08 | OPC_SPECIAL3,
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OPC_YIELD = 0x09 | OPC_SPECIAL3,
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OPC_BSHFL = 0x20 | OPC_SPECIAL3,
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OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
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OPC_RDHWR = 0x3B | OPC_SPECIAL3,
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}; |
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/* BSHFL opcodes */
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#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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enum {
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OPC_WSBH = (0x02 << 6) | OPC_BSHFL, |
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OPC_SEB = (0x10 << 6) | OPC_BSHFL, |
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OPC_SEH = (0x18 << 6) | OPC_BSHFL, |
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}; |
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/* DBSHFL opcodes */
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#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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enum {
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OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, |
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OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, |
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}; |
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/* Coprocessor 0 (rs field) */
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#define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
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enum {
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OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
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OPC_DMFC0 = (0x01 << 21) | OPC_CP0, |
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OPC_MTC0 = (0x04 << 21) | OPC_CP0, |
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OPC_DMTC0 = (0x05 << 21) | OPC_CP0, |
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OPC_MFTR = (0x08 << 21) | OPC_CP0, |
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OPC_RDPGPR = (0x0A << 21) | OPC_CP0, |
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OPC_MFMC0 = (0x0B << 21) | OPC_CP0, |
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OPC_MTTR = (0x0C << 21) | OPC_CP0, |
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OPC_WRPGPR = (0x0E << 21) | OPC_CP0, |
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OPC_C0 = (0x10 << 21) | OPC_CP0, |
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OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, |
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OPC_C0_LAST = (0x1F << 21) | OPC_CP0, |
314 |
}; |
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|
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/* MFMC0 opcodes */
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#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
318 |
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enum {
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OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
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OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
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OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, |
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OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, |
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OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, |
325 |
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
326 |
}; |
327 |
|
328 |
/* Coprocessor 0 (with rs == C0) */
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329 |
#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
330 |
|
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enum {
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OPC_TLBR = 0x01 | OPC_C0,
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OPC_TLBWI = 0x02 | OPC_C0,
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OPC_TLBWR = 0x06 | OPC_C0,
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OPC_TLBP = 0x08 | OPC_C0,
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OPC_RFE = 0x10 | OPC_C0,
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OPC_ERET = 0x18 | OPC_C0,
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OPC_DERET = 0x1F | OPC_C0,
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OPC_WAIT = 0x20 | OPC_C0,
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}; |
341 |
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/* Coprocessor 1 (rs field) */
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#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
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enum {
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OPC_MFC1 = (0x00 << 21) | OPC_CP1, |
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OPC_DMFC1 = (0x01 << 21) | OPC_CP1, |
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OPC_CFC1 = (0x02 << 21) | OPC_CP1, |
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OPC_MFHC1 = (0x03 << 21) | OPC_CP1, |
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OPC_MTC1 = (0x04 << 21) | OPC_CP1, |
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OPC_DMTC1 = (0x05 << 21) | OPC_CP1, |
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OPC_CTC1 = (0x06 << 21) | OPC_CP1, |
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OPC_MTHC1 = (0x07 << 21) | OPC_CP1, |
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OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ |
355 |
OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
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OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, |
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OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */ |
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OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */ |
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OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */ |
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OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ |
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OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ |
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OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ |
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OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ |
364 |
}; |
365 |
|
366 |
#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
367 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
368 |
|
369 |
enum {
|
370 |
OPC_BC1F = (0x00 << 16) | OPC_BC1, |
371 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
372 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
373 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
374 |
}; |
375 |
|
376 |
enum {
|
377 |
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
378 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
379 |
}; |
380 |
|
381 |
enum {
|
382 |
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
383 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
384 |
}; |
385 |
|
386 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
387 |
|
388 |
enum {
|
389 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
390 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
391 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
392 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
393 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
394 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
395 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
396 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
397 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
398 |
}; |
399 |
|
400 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
401 |
|
402 |
enum {
|
403 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
404 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
405 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
406 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
407 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
408 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
409 |
OPC_PREFX = 0x0F | OPC_CP3,
|
410 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
411 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
412 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
413 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
414 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
415 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
416 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
417 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
418 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
419 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
420 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
421 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
422 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
423 |
}; |
424 |
|
425 |
/* global register indices */
|
426 |
static TCGv cpu_env, current_tc_gprs, current_tc_hi, cpu_T[2]; |
427 |
|
428 |
/* The code generator doesn't like lots of temporaries, so maintain our own
|
429 |
cache for reuse within a function. */
|
430 |
#define MAX_TEMPS 4 |
431 |
static int num_temps; |
432 |
static TCGv temps[MAX_TEMPS];
|
433 |
|
434 |
/* Allocate a temporary variable. */
|
435 |
static TCGv new_tmp(void) |
436 |
{ |
437 |
TCGv tmp; |
438 |
if (num_temps == MAX_TEMPS)
|
439 |
abort(); |
440 |
|
441 |
if (GET_TCGV(temps[num_temps]))
|
442 |
return temps[num_temps++];
|
443 |
|
444 |
tmp = tcg_temp_new(TCG_TYPE_I32); |
445 |
temps[num_temps++] = tmp; |
446 |
return tmp;
|
447 |
} |
448 |
|
449 |
/* Release a temporary variable. */
|
450 |
static void dead_tmp(TCGv tmp) |
451 |
{ |
452 |
int i;
|
453 |
num_temps--; |
454 |
i = num_temps; |
455 |
if (GET_TCGV(temps[i]) == GET_TCGV(tmp))
|
456 |
return;
|
457 |
|
458 |
/* Shuffle this temp to the last slot. */
|
459 |
while (GET_TCGV(temps[i]) != GET_TCGV(tmp))
|
460 |
i--; |
461 |
while (i < num_temps) {
|
462 |
temps[i] = temps[i + 1];
|
463 |
i++; |
464 |
} |
465 |
temps[i] = tmp; |
466 |
} |
467 |
|
468 |
typedef struct DisasContext { |
469 |
struct TranslationBlock *tb;
|
470 |
target_ulong pc, saved_pc; |
471 |
uint32_t opcode; |
472 |
uint32_t fp_status; |
473 |
/* Routine used to access memory */
|
474 |
int mem_idx;
|
475 |
uint32_t hflags, saved_hflags; |
476 |
int bstate;
|
477 |
target_ulong btarget; |
478 |
} DisasContext; |
479 |
|
480 |
enum {
|
481 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
482 |
* exception condition
|
483 |
*/
|
484 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
485 |
BS_BRANCH = 2, /* We reached a branch condition */ |
486 |
BS_EXCP = 3, /* We reached an exception condition */ |
487 |
}; |
488 |
|
489 |
static const char *regnames[] = |
490 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
491 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
492 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
493 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
494 |
|
495 |
static const char *fregnames[] = |
496 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
497 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
498 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
499 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
500 |
|
501 |
#ifdef MIPS_DEBUG_DISAS
|
502 |
#define MIPS_DEBUG(fmt, args...) \
|
503 |
do { \
|
504 |
if (loglevel & CPU_LOG_TB_IN_ASM) { \
|
505 |
fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \ |
506 |
ctx->pc, ctx->opcode , ##args); \ |
507 |
} \ |
508 |
} while (0) |
509 |
#else
|
510 |
#define MIPS_DEBUG(fmt, args...) do { } while(0) |
511 |
#endif
|
512 |
|
513 |
#define MIPS_INVAL(op) \
|
514 |
do { \
|
515 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
516 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
517 |
} while (0) |
518 |
|
519 |
/* General purpose registers moves. */
|
520 |
static inline void gen_load_gpr (TCGv t, int reg) |
521 |
{ |
522 |
if (reg == 0) |
523 |
tcg_gen_movi_tl(t, 0);
|
524 |
else
|
525 |
tcg_gen_ld_tl(t, current_tc_gprs, sizeof(target_ulong) * reg);
|
526 |
} |
527 |
|
528 |
static inline void gen_store_gpr (TCGv t, int reg) |
529 |
{ |
530 |
if (reg != 0) |
531 |
tcg_gen_st_tl(t, current_tc_gprs, sizeof(target_ulong) * reg);
|
532 |
} |
533 |
|
534 |
/* Moves to/from HI and LO registers. */
|
535 |
static inline void gen_load_LO (TCGv t, int reg) |
536 |
{ |
537 |
tcg_gen_ld_tl(t, current_tc_hi, |
538 |
offsetof(CPUState, LO) |
539 |
- offsetof(CPUState, HI) |
540 |
+ sizeof(target_ulong) * reg);
|
541 |
} |
542 |
|
543 |
static inline void gen_store_LO (TCGv t, int reg) |
544 |
{ |
545 |
tcg_gen_st_tl(t, current_tc_hi, |
546 |
offsetof(CPUState, LO) |
547 |
- offsetof(CPUState, HI) |
548 |
+ sizeof(target_ulong) * reg);
|
549 |
} |
550 |
|
551 |
static inline void gen_load_HI (TCGv t, int reg) |
552 |
{ |
553 |
tcg_gen_ld_tl(t, current_tc_hi, sizeof(target_ulong) * reg);
|
554 |
} |
555 |
|
556 |
static inline void gen_store_HI (TCGv t, int reg) |
557 |
{ |
558 |
tcg_gen_st_tl(t, current_tc_hi, sizeof(target_ulong) * reg);
|
559 |
} |
560 |
|
561 |
/* Moves to/from shadow registers. */
|
562 |
static inline void gen_load_srsgpr (TCGv t, int reg) |
563 |
{ |
564 |
if (reg == 0) |
565 |
tcg_gen_movi_tl(t, 0);
|
566 |
else {
|
567 |
TCGv r_tmp = new_tmp(); |
568 |
|
569 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
570 |
tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS); |
571 |
tcg_gen_andi_i32(r_tmp, r_tmp, 0xf);
|
572 |
tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32); |
573 |
tcg_gen_add_i32(r_tmp, cpu_env, r_tmp); |
574 |
|
575 |
tcg_gen_ld_tl(t, r_tmp, sizeof(target_ulong) * reg);
|
576 |
dead_tmp(r_tmp); |
577 |
} |
578 |
} |
579 |
|
580 |
static inline void gen_store_srsgpr (TCGv t, int reg) |
581 |
{ |
582 |
if (reg != 0) { |
583 |
TCGv r_tmp = new_tmp(); |
584 |
|
585 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
586 |
tcg_gen_shri_i32(r_tmp, r_tmp, CP0SRSCtl_PSS); |
587 |
tcg_gen_andi_i32(r_tmp, r_tmp, 0xf);
|
588 |
tcg_gen_muli_i32(r_tmp, r_tmp, sizeof(target_ulong) * 32); |
589 |
tcg_gen_add_i32(r_tmp, cpu_env, r_tmp); |
590 |
|
591 |
tcg_gen_st_tl(t, r_tmp, sizeof(target_ulong) * reg);
|
592 |
dead_tmp(r_tmp); |
593 |
} |
594 |
} |
595 |
|
596 |
/* Floating point register moves. */
|
597 |
#define FGEN32(func, NAME) \
|
598 |
static GenOpFunc *NAME ## _table [32] = { \ |
599 |
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ |
600 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
601 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
602 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
603 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
604 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
605 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
606 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
607 |
}; \ |
608 |
static always_inline void func(int n) \ |
609 |
{ \ |
610 |
NAME ## _table[n](); \ |
611 |
} |
612 |
|
613 |
FGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr); |
614 |
FGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr); |
615 |
|
616 |
FGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr); |
617 |
FGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr); |
618 |
|
619 |
FGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr); |
620 |
FGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr); |
621 |
|
622 |
FGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr); |
623 |
FGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr); |
624 |
|
625 |
FGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr); |
626 |
FGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr); |
627 |
|
628 |
FGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr); |
629 |
FGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr); |
630 |
|
631 |
FGEN32(gen_op_load_fpr_WTH0, gen_op_load_fpr_WTH0_fpr); |
632 |
FGEN32(gen_op_store_fpr_WTH0, gen_op_store_fpr_WTH0_fpr); |
633 |
|
634 |
FGEN32(gen_op_load_fpr_WTH1, gen_op_load_fpr_WTH1_fpr); |
635 |
FGEN32(gen_op_store_fpr_WTH1, gen_op_store_fpr_WTH1_fpr); |
636 |
|
637 |
FGEN32(gen_op_load_fpr_WTH2, gen_op_load_fpr_WTH2_fpr); |
638 |
FGEN32(gen_op_store_fpr_WTH2, gen_op_store_fpr_WTH2_fpr); |
639 |
|
640 |
#define GEN_LOAD_FREG_FTN(FTn, Fn) \
|
641 |
do { \
|
642 |
glue(gen_op_load_fpr_, FTn)(Fn); \ |
643 |
} while (0) |
644 |
|
645 |
#define GEN_STORE_FTN_FREG(Fn, FTn) \
|
646 |
do { \
|
647 |
glue(gen_op_store_fpr_, FTn)(Fn); \ |
648 |
} while (0) |
649 |
|
650 |
#define FOP_CONDS(type, fmt) \
|
651 |
static GenOpFunc1 * gen_op_cmp ## type ## _ ## fmt ## _table[16] = { \ |
652 |
gen_op_cmp ## type ## _ ## fmt ## _f, \ |
653 |
gen_op_cmp ## type ## _ ## fmt ## _un, \ |
654 |
gen_op_cmp ## type ## _ ## fmt ## _eq, \ |
655 |
gen_op_cmp ## type ## _ ## fmt ## _ueq, \ |
656 |
gen_op_cmp ## type ## _ ## fmt ## _olt, \ |
657 |
gen_op_cmp ## type ## _ ## fmt ## _ult, \ |
658 |
gen_op_cmp ## type ## _ ## fmt ## _ole, \ |
659 |
gen_op_cmp ## type ## _ ## fmt ## _ule, \ |
660 |
gen_op_cmp ## type ## _ ## fmt ## _sf, \ |
661 |
gen_op_cmp ## type ## _ ## fmt ## _ngle, \ |
662 |
gen_op_cmp ## type ## _ ## fmt ## _seq, \ |
663 |
gen_op_cmp ## type ## _ ## fmt ## _ngl, \ |
664 |
gen_op_cmp ## type ## _ ## fmt ## _lt, \ |
665 |
gen_op_cmp ## type ## _ ## fmt ## _nge, \ |
666 |
gen_op_cmp ## type ## _ ## fmt ## _le, \ |
667 |
gen_op_cmp ## type ## _ ## fmt ## _ngt, \ |
668 |
}; \ |
669 |
static always_inline void gen_cmp ## type ## _ ## fmt(int n, long cc) \ |
670 |
{ \ |
671 |
gen_op_cmp ## type ## _ ## fmt ## _table[n](cc); \ |
672 |
} |
673 |
|
674 |
FOP_CONDS(, d) |
675 |
FOP_CONDS(abs, d) |
676 |
FOP_CONDS(, s) |
677 |
FOP_CONDS(abs, s) |
678 |
FOP_CONDS(, ps) |
679 |
FOP_CONDS(abs, ps) |
680 |
|
681 |
/* Tests */
|
682 |
#define OP_COND(name, cond) \
|
683 |
void glue(gen_op_, name) (void) \ |
684 |
{ \ |
685 |
int l1 = gen_new_label(); \
|
686 |
int l2 = gen_new_label(); \
|
687 |
\ |
688 |
tcg_gen_brcond_tl(cond, cpu_T[0], cpu_T[1], l1); \ |
689 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
690 |
tcg_gen_br(l2); \ |
691 |
gen_set_label(l1); \ |
692 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
693 |
gen_set_label(l2); \ |
694 |
} |
695 |
OP_COND(eq, TCG_COND_EQ); |
696 |
OP_COND(ne, TCG_COND_NE); |
697 |
OP_COND(ge, TCG_COND_GE); |
698 |
OP_COND(geu, TCG_COND_GEU); |
699 |
OP_COND(lt, TCG_COND_LT); |
700 |
OP_COND(ltu, TCG_COND_LTU); |
701 |
#undef OP_COND
|
702 |
|
703 |
#define OP_CONDI(name, cond) \
|
704 |
void glue(gen_op_, name) (target_ulong val) \
|
705 |
{ \ |
706 |
int l1 = gen_new_label(); \
|
707 |
int l2 = gen_new_label(); \
|
708 |
\ |
709 |
tcg_gen_brcondi_tl(cond, cpu_T[0], val, l1); \
|
710 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
711 |
tcg_gen_br(l2); \ |
712 |
gen_set_label(l1); \ |
713 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
714 |
gen_set_label(l2); \ |
715 |
} |
716 |
OP_CONDI(lti, TCG_COND_LT); |
717 |
OP_CONDI(ltiu, TCG_COND_LTU); |
718 |
#undef OP_CONDI
|
719 |
|
720 |
#define OP_CONDZ(name, cond) \
|
721 |
void glue(gen_op_, name) (void) \ |
722 |
{ \ |
723 |
int l1 = gen_new_label(); \
|
724 |
int l2 = gen_new_label(); \
|
725 |
\ |
726 |
tcg_gen_brcondi_tl(cond, cpu_T[0], 0, l1); \ |
727 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
728 |
tcg_gen_br(l2); \ |
729 |
gen_set_label(l1); \ |
730 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
731 |
gen_set_label(l2); \ |
732 |
} |
733 |
OP_CONDZ(gez, TCG_COND_GE); |
734 |
OP_CONDZ(gtz, TCG_COND_GT); |
735 |
OP_CONDZ(lez, TCG_COND_LE); |
736 |
OP_CONDZ(ltz, TCG_COND_LT); |
737 |
#undef OP_CONDZ
|
738 |
|
739 |
static inline void gen_save_pc(target_ulong pc) |
740 |
{ |
741 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
742 |
TCGv r_tc_off = new_tmp(); |
743 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
744 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
745 |
|
746 |
tcg_gen_movi_tl(r_tmp, pc); |
747 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
748 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
749 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
750 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
751 |
tcg_gen_st_tl(r_tmp, r_ptr, offsetof(CPUState, PC)); |
752 |
dead_tmp(r_tc_off); |
753 |
} |
754 |
|
755 |
static inline void gen_breg_pc(void) |
756 |
{ |
757 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
758 |
TCGv r_tc_off = new_tmp(); |
759 |
TCGv r_tc_off_tl = tcg_temp_new(TCG_TYPE_TL); |
760 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
761 |
|
762 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, btarget)); |
763 |
tcg_gen_ld_i32(r_tc_off, cpu_env, offsetof(CPUState, current_tc)); |
764 |
tcg_gen_muli_i32(r_tc_off, r_tc_off, sizeof(target_ulong));
|
765 |
tcg_gen_ext_i32_ptr(r_tc_off_tl, r_tc_off); |
766 |
tcg_gen_add_ptr(r_ptr, cpu_env, r_tc_off_tl); |
767 |
tcg_gen_st_tl(r_tmp, r_ptr, offsetof(CPUState, PC)); |
768 |
dead_tmp(r_tc_off); |
769 |
} |
770 |
|
771 |
static inline void gen_save_btarget(target_ulong btarget) |
772 |
{ |
773 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
774 |
|
775 |
tcg_gen_movi_tl(r_tmp, btarget); |
776 |
tcg_gen_st_tl(r_tmp, cpu_env, offsetof(CPUState, btarget)); |
777 |
} |
778 |
|
779 |
static always_inline void gen_save_breg_target(int reg) |
780 |
{ |
781 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
782 |
|
783 |
gen_load_gpr(r_tmp, reg); |
784 |
tcg_gen_st_tl(r_tmp, cpu_env, offsetof(CPUState, btarget)); |
785 |
} |
786 |
|
787 |
static always_inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
788 |
{ |
789 |
#if defined MIPS_DEBUG_DISAS
|
790 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
791 |
fprintf(logfile, "hflags %08x saved %08x\n",
|
792 |
ctx->hflags, ctx->saved_hflags); |
793 |
} |
794 |
#endif
|
795 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
796 |
gen_save_pc(ctx->pc); |
797 |
ctx->saved_pc = ctx->pc; |
798 |
} |
799 |
if (ctx->hflags != ctx->saved_hflags) {
|
800 |
gen_op_save_state(ctx->hflags); |
801 |
ctx->saved_hflags = ctx->hflags; |
802 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
803 |
case MIPS_HFLAG_BR:
|
804 |
break;
|
805 |
case MIPS_HFLAG_BC:
|
806 |
case MIPS_HFLAG_BL:
|
807 |
case MIPS_HFLAG_B:
|
808 |
gen_save_btarget(ctx->btarget); |
809 |
break;
|
810 |
} |
811 |
} |
812 |
} |
813 |
|
814 |
static always_inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
815 |
{ |
816 |
ctx->saved_hflags = ctx->hflags; |
817 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
818 |
case MIPS_HFLAG_BR:
|
819 |
break;
|
820 |
case MIPS_HFLAG_BC:
|
821 |
case MIPS_HFLAG_BL:
|
822 |
case MIPS_HFLAG_B:
|
823 |
ctx->btarget = env->btarget; |
824 |
break;
|
825 |
} |
826 |
} |
827 |
|
828 |
static always_inline void |
829 |
generate_exception_err (DisasContext *ctx, int excp, int err) |
830 |
{ |
831 |
save_cpu_state(ctx, 1);
|
832 |
tcg_gen_helper_0_2(do_raise_exception_err, tcg_const_i32(excp), tcg_const_i32(err)); |
833 |
tcg_gen_helper_0_0(do_interrupt_restart); |
834 |
tcg_gen_exit_tb(0);
|
835 |
} |
836 |
|
837 |
static always_inline void |
838 |
generate_exception (DisasContext *ctx, int excp)
|
839 |
{ |
840 |
save_cpu_state(ctx, 1);
|
841 |
tcg_gen_helper_0_1(do_raise_exception, tcg_const_i32(excp)); |
842 |
tcg_gen_helper_0_0(do_interrupt_restart); |
843 |
tcg_gen_exit_tb(0);
|
844 |
} |
845 |
|
846 |
/* Addresses computation */
|
847 |
static inline void gen_op_addr_add (void) |
848 |
{ |
849 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
850 |
|
851 |
#if defined(TARGET_MIPS64)
|
852 |
/* For compatibility with 32-bit code, data reference in user mode
|
853 |
with Status_UX = 0 should be casted to 32-bit and sign extended.
|
854 |
See the MIPS64 PRA manual, section 4.10. */
|
855 |
{ |
856 |
TCGv r_tmp = new_tmp(); |
857 |
int l1 = gen_new_label();
|
858 |
|
859 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, hflags)); |
860 |
tcg_gen_andi_i32(r_tmp, r_tmp, MIPS_HFLAG_KSU); |
861 |
tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp, MIPS_HFLAG_UM, l1); |
862 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Status)); |
863 |
tcg_gen_andi_i32(r_tmp, r_tmp, (1 << CP0St_UX));
|
864 |
tcg_gen_brcondi_i32(TCG_COND_NE, r_tmp, 0, l1);
|
865 |
tcg_gen_ext32s_i64(cpu_T[0], cpu_T[0]); |
866 |
gen_set_label(l1); |
867 |
dead_tmp(r_tmp); |
868 |
} |
869 |
#endif
|
870 |
} |
871 |
|
872 |
static always_inline void check_cp0_enabled(DisasContext *ctx) |
873 |
{ |
874 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
|
875 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
876 |
} |
877 |
|
878 |
static always_inline void check_cp1_enabled(DisasContext *ctx) |
879 |
{ |
880 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
|
881 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
882 |
} |
883 |
|
884 |
/* Verify that the processor is running with COP1X instructions enabled.
|
885 |
This is associated with the nabla symbol in the MIPS32 and MIPS64
|
886 |
opcode tables. */
|
887 |
|
888 |
static always_inline void check_cop1x(DisasContext *ctx) |
889 |
{ |
890 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
|
891 |
generate_exception(ctx, EXCP_RI); |
892 |
} |
893 |
|
894 |
/* Verify that the processor is running with 64-bit floating-point
|
895 |
operations enabled. */
|
896 |
|
897 |
static always_inline void check_cp1_64bitmode(DisasContext *ctx) |
898 |
{ |
899 |
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
|
900 |
generate_exception(ctx, EXCP_RI); |
901 |
} |
902 |
|
903 |
/*
|
904 |
* Verify if floating point register is valid; an operation is not defined
|
905 |
* if bit 0 of any register specification is set and the FR bit in the
|
906 |
* Status register equals zero, since the register numbers specify an
|
907 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
908 |
* in the Status register equals one, both even and odd register numbers
|
909 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
910 |
*
|
911 |
* Multiple 64 bit wide registers can be checked by calling
|
912 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
913 |
*/
|
914 |
void check_cp1_registers(DisasContext *ctx, int regs) |
915 |
{ |
916 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
917 |
generate_exception(ctx, EXCP_RI); |
918 |
} |
919 |
|
920 |
/* This code generates a "reserved instruction" exception if the
|
921 |
CPU does not support the instruction set corresponding to flags. */
|
922 |
static always_inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
923 |
{ |
924 |
if (unlikely(!(env->insn_flags & flags)))
|
925 |
generate_exception(ctx, EXCP_RI); |
926 |
} |
927 |
|
928 |
/* This code generates a "reserved instruction" exception if 64-bit
|
929 |
instructions are not enabled. */
|
930 |
static always_inline void check_mips_64(DisasContext *ctx) |
931 |
{ |
932 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
|
933 |
generate_exception(ctx, EXCP_RI); |
934 |
} |
935 |
|
936 |
/* load/store instructions. */
|
937 |
#if defined(CONFIG_USER_ONLY)
|
938 |
#define op_ldst(name) gen_op_##name##_raw() |
939 |
#define OP_LD_TABLE(width)
|
940 |
#define OP_ST_TABLE(width)
|
941 |
#else
|
942 |
#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() |
943 |
#define OP_LD_TABLE(width) \
|
944 |
static GenOpFunc *gen_op_l##width[] = { \ |
945 |
&gen_op_l##width##_kernel, \ |
946 |
&gen_op_l##width##_super, \ |
947 |
&gen_op_l##width##_user, \ |
948 |
} |
949 |
#define OP_ST_TABLE(width) \
|
950 |
static GenOpFunc *gen_op_s##width[] = { \ |
951 |
&gen_op_s##width##_kernel, \ |
952 |
&gen_op_s##width##_super, \ |
953 |
&gen_op_s##width##_user, \ |
954 |
} |
955 |
#endif
|
956 |
|
957 |
#if defined(TARGET_MIPS64)
|
958 |
OP_LD_TABLE(dl); |
959 |
OP_LD_TABLE(dr); |
960 |
OP_ST_TABLE(dl); |
961 |
OP_ST_TABLE(dr); |
962 |
#endif
|
963 |
OP_LD_TABLE(wl); |
964 |
OP_LD_TABLE(wr); |
965 |
OP_ST_TABLE(wl); |
966 |
OP_ST_TABLE(wr); |
967 |
OP_LD_TABLE(wc1); |
968 |
OP_ST_TABLE(wc1); |
969 |
OP_LD_TABLE(dc1); |
970 |
OP_ST_TABLE(dc1); |
971 |
OP_LD_TABLE(uxc1); |
972 |
OP_ST_TABLE(uxc1); |
973 |
|
974 |
#define OP_LD(insn,fname) \
|
975 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
976 |
{ \ |
977 |
tcg_gen_qemu_##fname(cpu_T[0], cpu_T[0], ctx->mem_idx); \ |
978 |
} |
979 |
OP_LD(lb,ld8s); |
980 |
OP_LD(lbu,ld8u); |
981 |
OP_LD(lh,ld16s); |
982 |
OP_LD(lhu,ld16u); |
983 |
OP_LD(lw,ld32s); |
984 |
#if defined(TARGET_MIPS64)
|
985 |
OP_LD(lwu,ld32u); |
986 |
OP_LD(ld,ld64); |
987 |
#endif
|
988 |
#undef OP_LD
|
989 |
|
990 |
#define OP_ST(insn,fname) \
|
991 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
992 |
{ \ |
993 |
tcg_gen_qemu_##fname(cpu_T[1], cpu_T[0], ctx->mem_idx); \ |
994 |
} |
995 |
OP_ST(sb,st8); |
996 |
OP_ST(sh,st16); |
997 |
OP_ST(sw,st32); |
998 |
#if defined(TARGET_MIPS64)
|
999 |
OP_ST(sd,st64); |
1000 |
#endif
|
1001 |
#undef OP_ST
|
1002 |
|
1003 |
#define OP_LD_ATOMIC(insn,fname) \
|
1004 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
1005 |
{ \ |
1006 |
tcg_gen_mov_tl(cpu_T[1], cpu_T[0]); \ |
1007 |
tcg_gen_qemu_##fname(cpu_T[0], cpu_T[0], ctx->mem_idx); \ |
1008 |
tcg_gen_st_tl(cpu_T[1], cpu_env, offsetof(CPUState, CP0_LLAddr)); \
|
1009 |
} |
1010 |
OP_LD_ATOMIC(ll,ld32s); |
1011 |
#if defined(TARGET_MIPS64)
|
1012 |
OP_LD_ATOMIC(lld,ld64); |
1013 |
#endif
|
1014 |
#undef OP_LD_ATOMIC
|
1015 |
|
1016 |
#define OP_ST_ATOMIC(insn,fname,almask) \
|
1017 |
void inline op_ldst_##insn(DisasContext *ctx) \ |
1018 |
{ \ |
1019 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); \ |
1020 |
int l1 = gen_new_label(); \
|
1021 |
int l2 = gen_new_label(); \
|
1022 |
int l3 = gen_new_label(); \
|
1023 |
\ |
1024 |
tcg_gen_andi_tl(r_tmp, cpu_T[0], almask); \
|
1025 |
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp, 0, l1); \
|
1026 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
|
1027 |
generate_exception(ctx, EXCP_AdES); \ |
1028 |
gen_set_label(l1); \ |
1029 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, CP0_LLAddr)); \ |
1030 |
tcg_gen_brcond_tl(TCG_COND_NE, cpu_T[0], r_tmp, l2); \
|
1031 |
tcg_gen_qemu_##fname(cpu_T[1], cpu_T[0], ctx->mem_idx); \ |
1032 |
tcg_gen_movi_tl(cpu_T[0], 1); \ |
1033 |
tcg_gen_br(l3); \ |
1034 |
gen_set_label(l2); \ |
1035 |
tcg_gen_movi_tl(cpu_T[0], 0); \ |
1036 |
gen_set_label(l3); \ |
1037 |
} |
1038 |
OP_ST_ATOMIC(sc,st32,0x3);
|
1039 |
#if defined(TARGET_MIPS64)
|
1040 |
OP_ST_ATOMIC(scd,st64,0x7);
|
1041 |
#endif
|
1042 |
#undef OP_ST_ATOMIC
|
1043 |
|
1044 |
void inline op_ldst_lwc1(DisasContext *ctx) |
1045 |
{ |
1046 |
op_ldst(lwc1); |
1047 |
} |
1048 |
|
1049 |
void inline op_ldst_ldc1(DisasContext *ctx) |
1050 |
{ |
1051 |
op_ldst(ldc1); |
1052 |
} |
1053 |
|
1054 |
void inline op_ldst_swc1(DisasContext *ctx) |
1055 |
{ |
1056 |
op_ldst(swc1); |
1057 |
} |
1058 |
|
1059 |
void inline op_ldst_sdc1(DisasContext *ctx) |
1060 |
{ |
1061 |
op_ldst(sdc1); |
1062 |
} |
1063 |
|
1064 |
/* Load and store */
|
1065 |
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
1066 |
int base, int16_t offset)
|
1067 |
{ |
1068 |
const char *opn = "ldst"; |
1069 |
|
1070 |
if (base == 0) { |
1071 |
tcg_gen_movi_tl(cpu_T[0], offset);
|
1072 |
} else if (offset == 0) { |
1073 |
gen_load_gpr(cpu_T[0], base);
|
1074 |
} else {
|
1075 |
gen_load_gpr(cpu_T[0], base);
|
1076 |
tcg_gen_movi_tl(cpu_T[1], offset);
|
1077 |
gen_op_addr_add(); |
1078 |
} |
1079 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1080 |
memory access. */
|
1081 |
switch (opc) {
|
1082 |
#if defined(TARGET_MIPS64)
|
1083 |
case OPC_LWU:
|
1084 |
op_ldst_lwu(ctx); |
1085 |
gen_store_gpr(cpu_T[0], rt);
|
1086 |
opn = "lwu";
|
1087 |
break;
|
1088 |
case OPC_LD:
|
1089 |
op_ldst_ld(ctx); |
1090 |
gen_store_gpr(cpu_T[0], rt);
|
1091 |
opn = "ld";
|
1092 |
break;
|
1093 |
case OPC_LLD:
|
1094 |
op_ldst_lld(ctx); |
1095 |
gen_store_gpr(cpu_T[0], rt);
|
1096 |
opn = "lld";
|
1097 |
break;
|
1098 |
case OPC_SD:
|
1099 |
gen_load_gpr(cpu_T[1], rt);
|
1100 |
op_ldst_sd(ctx); |
1101 |
opn = "sd";
|
1102 |
break;
|
1103 |
case OPC_SCD:
|
1104 |
save_cpu_state(ctx, 1);
|
1105 |
gen_load_gpr(cpu_T[1], rt);
|
1106 |
op_ldst_scd(ctx); |
1107 |
gen_store_gpr(cpu_T[0], rt);
|
1108 |
opn = "scd";
|
1109 |
break;
|
1110 |
case OPC_LDL:
|
1111 |
gen_load_gpr(cpu_T[1], rt);
|
1112 |
op_ldst(ldl); |
1113 |
gen_store_gpr(cpu_T[1], rt);
|
1114 |
opn = "ldl";
|
1115 |
break;
|
1116 |
case OPC_SDL:
|
1117 |
gen_load_gpr(cpu_T[1], rt);
|
1118 |
op_ldst(sdl); |
1119 |
opn = "sdl";
|
1120 |
break;
|
1121 |
case OPC_LDR:
|
1122 |
gen_load_gpr(cpu_T[1], rt);
|
1123 |
op_ldst(ldr); |
1124 |
gen_store_gpr(cpu_T[1], rt);
|
1125 |
opn = "ldr";
|
1126 |
break;
|
1127 |
case OPC_SDR:
|
1128 |
gen_load_gpr(cpu_T[1], rt);
|
1129 |
op_ldst(sdr); |
1130 |
opn = "sdr";
|
1131 |
break;
|
1132 |
#endif
|
1133 |
case OPC_LW:
|
1134 |
op_ldst_lw(ctx); |
1135 |
gen_store_gpr(cpu_T[0], rt);
|
1136 |
opn = "lw";
|
1137 |
break;
|
1138 |
case OPC_SW:
|
1139 |
gen_load_gpr(cpu_T[1], rt);
|
1140 |
op_ldst_sw(ctx); |
1141 |
opn = "sw";
|
1142 |
break;
|
1143 |
case OPC_LH:
|
1144 |
op_ldst_lh(ctx); |
1145 |
gen_store_gpr(cpu_T[0], rt);
|
1146 |
opn = "lh";
|
1147 |
break;
|
1148 |
case OPC_SH:
|
1149 |
gen_load_gpr(cpu_T[1], rt);
|
1150 |
op_ldst_sh(ctx); |
1151 |
opn = "sh";
|
1152 |
break;
|
1153 |
case OPC_LHU:
|
1154 |
op_ldst_lhu(ctx); |
1155 |
gen_store_gpr(cpu_T[0], rt);
|
1156 |
opn = "lhu";
|
1157 |
break;
|
1158 |
case OPC_LB:
|
1159 |
op_ldst_lb(ctx); |
1160 |
gen_store_gpr(cpu_T[0], rt);
|
1161 |
opn = "lb";
|
1162 |
break;
|
1163 |
case OPC_SB:
|
1164 |
gen_load_gpr(cpu_T[1], rt);
|
1165 |
op_ldst_sb(ctx); |
1166 |
opn = "sb";
|
1167 |
break;
|
1168 |
case OPC_LBU:
|
1169 |
op_ldst_lbu(ctx); |
1170 |
gen_store_gpr(cpu_T[0], rt);
|
1171 |
opn = "lbu";
|
1172 |
break;
|
1173 |
case OPC_LWL:
|
1174 |
gen_load_gpr(cpu_T[1], rt);
|
1175 |
op_ldst(lwl); |
1176 |
gen_store_gpr(cpu_T[1], rt);
|
1177 |
opn = "lwl";
|
1178 |
break;
|
1179 |
case OPC_SWL:
|
1180 |
gen_load_gpr(cpu_T[1], rt);
|
1181 |
op_ldst(swl); |
1182 |
opn = "swr";
|
1183 |
break;
|
1184 |
case OPC_LWR:
|
1185 |
gen_load_gpr(cpu_T[1], rt);
|
1186 |
op_ldst(lwr); |
1187 |
gen_store_gpr(cpu_T[1], rt);
|
1188 |
opn = "lwr";
|
1189 |
break;
|
1190 |
case OPC_SWR:
|
1191 |
gen_load_gpr(cpu_T[1], rt);
|
1192 |
op_ldst(swr); |
1193 |
opn = "swr";
|
1194 |
break;
|
1195 |
case OPC_LL:
|
1196 |
op_ldst_ll(ctx); |
1197 |
gen_store_gpr(cpu_T[0], rt);
|
1198 |
opn = "ll";
|
1199 |
break;
|
1200 |
case OPC_SC:
|
1201 |
save_cpu_state(ctx, 1);
|
1202 |
gen_load_gpr(cpu_T[1], rt);
|
1203 |
op_ldst_sc(ctx); |
1204 |
gen_store_gpr(cpu_T[0], rt);
|
1205 |
opn = "sc";
|
1206 |
break;
|
1207 |
default:
|
1208 |
MIPS_INVAL(opn); |
1209 |
generate_exception(ctx, EXCP_RI); |
1210 |
return;
|
1211 |
} |
1212 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
1213 |
} |
1214 |
|
1215 |
/* Load and store */
|
1216 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
1217 |
int base, int16_t offset)
|
1218 |
{ |
1219 |
const char *opn = "flt_ldst"; |
1220 |
|
1221 |
if (base == 0) { |
1222 |
tcg_gen_movi_tl(cpu_T[0], offset);
|
1223 |
} else if (offset == 0) { |
1224 |
gen_load_gpr(cpu_T[0], base);
|
1225 |
} else {
|
1226 |
gen_load_gpr(cpu_T[0], base);
|
1227 |
tcg_gen_movi_tl(cpu_T[1], offset);
|
1228 |
gen_op_addr_add(); |
1229 |
} |
1230 |
/* Don't do NOP if destination is zero: we must perform the actual
|
1231 |
memory access. */
|
1232 |
switch (opc) {
|
1233 |
case OPC_LWC1:
|
1234 |
op_ldst_lwc1(ctx); |
1235 |
GEN_STORE_FTN_FREG(ft, WT0); |
1236 |
opn = "lwc1";
|
1237 |
break;
|
1238 |
case OPC_SWC1:
|
1239 |
GEN_LOAD_FREG_FTN(WT0, ft); |
1240 |
op_ldst_swc1(ctx); |
1241 |
opn = "swc1";
|
1242 |
break;
|
1243 |
case OPC_LDC1:
|
1244 |
op_ldst_ldc1(ctx); |
1245 |
GEN_STORE_FTN_FREG(ft, DT0); |
1246 |
opn = "ldc1";
|
1247 |
break;
|
1248 |
case OPC_SDC1:
|
1249 |
GEN_LOAD_FREG_FTN(DT0, ft); |
1250 |
op_ldst_sdc1(ctx); |
1251 |
opn = "sdc1";
|
1252 |
break;
|
1253 |
default:
|
1254 |
MIPS_INVAL(opn); |
1255 |
generate_exception(ctx, EXCP_RI); |
1256 |
return;
|
1257 |
} |
1258 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
1259 |
} |
1260 |
|
1261 |
/* Arithmetic with immediate operand */
|
1262 |
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
1263 |
int rt, int rs, int16_t imm) |
1264 |
{ |
1265 |
target_ulong uimm; |
1266 |
const char *opn = "imm arith"; |
1267 |
|
1268 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
1269 |
/* If no destination, treat it as a NOP.
|
1270 |
For addi, we must generate the overflow exception when needed. */
|
1271 |
MIPS_DEBUG("NOP");
|
1272 |
return;
|
1273 |
} |
1274 |
uimm = (uint16_t)imm; |
1275 |
switch (opc) {
|
1276 |
case OPC_ADDI:
|
1277 |
case OPC_ADDIU:
|
1278 |
#if defined(TARGET_MIPS64)
|
1279 |
case OPC_DADDI:
|
1280 |
case OPC_DADDIU:
|
1281 |
#endif
|
1282 |
case OPC_SLTI:
|
1283 |
case OPC_SLTIU:
|
1284 |
uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1285 |
tcg_gen_movi_tl(cpu_T[1], uimm);
|
1286 |
/* Fall through. */
|
1287 |
case OPC_ANDI:
|
1288 |
case OPC_ORI:
|
1289 |
case OPC_XORI:
|
1290 |
gen_load_gpr(cpu_T[0], rs);
|
1291 |
break;
|
1292 |
case OPC_LUI:
|
1293 |
tcg_gen_movi_tl(cpu_T[0], imm << 16); |
1294 |
break;
|
1295 |
case OPC_SLL:
|
1296 |
case OPC_SRA:
|
1297 |
case OPC_SRL:
|
1298 |
#if defined(TARGET_MIPS64)
|
1299 |
case OPC_DSLL:
|
1300 |
case OPC_DSRA:
|
1301 |
case OPC_DSRL:
|
1302 |
case OPC_DSLL32:
|
1303 |
case OPC_DSRA32:
|
1304 |
case OPC_DSRL32:
|
1305 |
#endif
|
1306 |
uimm &= 0x1f;
|
1307 |
gen_load_gpr(cpu_T[0], rs);
|
1308 |
break;
|
1309 |
} |
1310 |
switch (opc) {
|
1311 |
case OPC_ADDI:
|
1312 |
{ |
1313 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1314 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1315 |
int l1 = gen_new_label();
|
1316 |
|
1317 |
save_cpu_state(ctx, 1);
|
1318 |
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
|
1319 |
tcg_gen_addi_tl(cpu_T[0], r_tmp1, uimm);
|
1320 |
|
1321 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, uimm); |
1322 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1323 |
tcg_gen_xori_tl(r_tmp2, cpu_T[0], uimm);
|
1324 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1325 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
|
1326 |
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
|
1327 |
/* operands of same sign, result different sign */
|
1328 |
generate_exception(ctx, EXCP_OVERFLOW); |
1329 |
gen_set_label(l1); |
1330 |
|
1331 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1332 |
} |
1333 |
opn = "addi";
|
1334 |
break;
|
1335 |
case OPC_ADDIU:
|
1336 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1337 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm); |
1338 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1339 |
opn = "addiu";
|
1340 |
break;
|
1341 |
#if defined(TARGET_MIPS64)
|
1342 |
case OPC_DADDI:
|
1343 |
{ |
1344 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1345 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1346 |
int l1 = gen_new_label();
|
1347 |
|
1348 |
save_cpu_state(ctx, 1);
|
1349 |
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
|
1350 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm); |
1351 |
|
1352 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, uimm); |
1353 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1354 |
tcg_gen_xori_tl(r_tmp2, cpu_T[0], uimm);
|
1355 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1356 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
|
1357 |
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
|
1358 |
/* operands of same sign, result different sign */
|
1359 |
generate_exception(ctx, EXCP_OVERFLOW); |
1360 |
gen_set_label(l1); |
1361 |
} |
1362 |
opn = "daddi";
|
1363 |
break;
|
1364 |
case OPC_DADDIU:
|
1365 |
tcg_gen_addi_tl(cpu_T[0], cpu_T[0], uimm); |
1366 |
opn = "daddiu";
|
1367 |
break;
|
1368 |
#endif
|
1369 |
case OPC_SLTI:
|
1370 |
gen_op_lti(uimm); |
1371 |
opn = "slti";
|
1372 |
break;
|
1373 |
case OPC_SLTIU:
|
1374 |
gen_op_ltiu(uimm); |
1375 |
opn = "sltiu";
|
1376 |
break;
|
1377 |
case OPC_ANDI:
|
1378 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], uimm); |
1379 |
opn = "andi";
|
1380 |
break;
|
1381 |
case OPC_ORI:
|
1382 |
tcg_gen_ori_tl(cpu_T[0], cpu_T[0], uimm); |
1383 |
opn = "ori";
|
1384 |
break;
|
1385 |
case OPC_XORI:
|
1386 |
tcg_gen_xori_tl(cpu_T[0], cpu_T[0], uimm); |
1387 |
opn = "xori";
|
1388 |
break;
|
1389 |
case OPC_LUI:
|
1390 |
opn = "lui";
|
1391 |
break;
|
1392 |
case OPC_SLL:
|
1393 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1394 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm); |
1395 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1396 |
opn = "sll";
|
1397 |
break;
|
1398 |
case OPC_SRA:
|
1399 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1400 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm); |
1401 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1402 |
opn = "sra";
|
1403 |
break;
|
1404 |
case OPC_SRL:
|
1405 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1406 |
case 0: |
1407 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1408 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1409 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1410 |
opn = "srl";
|
1411 |
break;
|
1412 |
case 1: |
1413 |
/* rotr is decoded as srl on non-R2 CPUs */
|
1414 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1415 |
if (uimm != 0) { |
1416 |
TCGv r_tmp1 = new_tmp(); |
1417 |
TCGv r_tmp2 = new_tmp(); |
1418 |
|
1419 |
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
|
1420 |
tcg_gen_movi_i32(r_tmp2, 0x20);
|
1421 |
tcg_gen_subi_i32(r_tmp2, r_tmp2, uimm); |
1422 |
tcg_gen_shl_i32(r_tmp2, r_tmp1, r_tmp2); |
1423 |
tcg_gen_shri_i32(r_tmp1, r_tmp1, uimm); |
1424 |
tcg_gen_or_i32(r_tmp1, r_tmp1, r_tmp2); |
1425 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1426 |
dead_tmp(r_tmp1); |
1427 |
dead_tmp(r_tmp2); |
1428 |
} |
1429 |
opn = "rotr";
|
1430 |
} else {
|
1431 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1432 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1433 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1434 |
opn = "srl";
|
1435 |
} |
1436 |
break;
|
1437 |
default:
|
1438 |
MIPS_INVAL("invalid srl flag");
|
1439 |
generate_exception(ctx, EXCP_RI); |
1440 |
break;
|
1441 |
} |
1442 |
break;
|
1443 |
#if defined(TARGET_MIPS64)
|
1444 |
case OPC_DSLL:
|
1445 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm); |
1446 |
opn = "dsll";
|
1447 |
break;
|
1448 |
case OPC_DSRA:
|
1449 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm); |
1450 |
opn = "dsra";
|
1451 |
break;
|
1452 |
case OPC_DSRL:
|
1453 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1454 |
case 0: |
1455 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1456 |
opn = "dsrl";
|
1457 |
break;
|
1458 |
case 1: |
1459 |
/* drotr is decoded as dsrl on non-R2 CPUs */
|
1460 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1461 |
if (uimm != 0) { |
1462 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1463 |
|
1464 |
tcg_gen_movi_tl(r_tmp1, 0x40);
|
1465 |
tcg_gen_subi_tl(r_tmp1, r_tmp1, uimm); |
1466 |
tcg_gen_shl_tl(r_tmp1, cpu_T[0], r_tmp1);
|
1467 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1468 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1); |
1469 |
} |
1470 |
opn = "drotr";
|
1471 |
} else {
|
1472 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm); |
1473 |
opn = "dsrl";
|
1474 |
} |
1475 |
break;
|
1476 |
default:
|
1477 |
MIPS_INVAL("invalid dsrl flag");
|
1478 |
generate_exception(ctx, EXCP_RI); |
1479 |
break;
|
1480 |
} |
1481 |
break;
|
1482 |
case OPC_DSLL32:
|
1483 |
tcg_gen_shli_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1484 |
opn = "dsll32";
|
1485 |
break;
|
1486 |
case OPC_DSRA32:
|
1487 |
tcg_gen_sari_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1488 |
opn = "dsra32";
|
1489 |
break;
|
1490 |
case OPC_DSRL32:
|
1491 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1492 |
case 0: |
1493 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1494 |
opn = "dsrl32";
|
1495 |
break;
|
1496 |
case 1: |
1497 |
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
|
1498 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1499 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1500 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1501 |
|
1502 |
tcg_gen_movi_tl(r_tmp1, 0x40);
|
1503 |
tcg_gen_movi_tl(r_tmp2, 32);
|
1504 |
tcg_gen_addi_tl(r_tmp2, r_tmp2, uimm); |
1505 |
tcg_gen_sub_tl(r_tmp1, r_tmp1, r_tmp2); |
1506 |
tcg_gen_shl_tl(r_tmp1, cpu_T[0], r_tmp1);
|
1507 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[0], r_tmp2); |
1508 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1); |
1509 |
opn = "drotr32";
|
1510 |
} else {
|
1511 |
tcg_gen_shri_tl(cpu_T[0], cpu_T[0], uimm + 32); |
1512 |
opn = "dsrl32";
|
1513 |
} |
1514 |
break;
|
1515 |
default:
|
1516 |
MIPS_INVAL("invalid dsrl32 flag");
|
1517 |
generate_exception(ctx, EXCP_RI); |
1518 |
break;
|
1519 |
} |
1520 |
break;
|
1521 |
#endif
|
1522 |
default:
|
1523 |
MIPS_INVAL(opn); |
1524 |
generate_exception(ctx, EXCP_RI); |
1525 |
return;
|
1526 |
} |
1527 |
gen_store_gpr(cpu_T[0], rt);
|
1528 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1529 |
} |
1530 |
|
1531 |
/* Arithmetic */
|
1532 |
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
1533 |
int rd, int rs, int rt) |
1534 |
{ |
1535 |
const char *opn = "arith"; |
1536 |
|
1537 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
1538 |
&& opc != OPC_DADD && opc != OPC_DSUB) { |
1539 |
/* If no destination, treat it as a NOP.
|
1540 |
For add & sub, we must generate the overflow exception when needed. */
|
1541 |
MIPS_DEBUG("NOP");
|
1542 |
return;
|
1543 |
} |
1544 |
gen_load_gpr(cpu_T[0], rs);
|
1545 |
/* Specialcase the conventional move operation. */
|
1546 |
if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU |
1547 |
|| opc == OPC_SUBU || opc == OPC_DSUBU)) { |
1548 |
gen_store_gpr(cpu_T[0], rd);
|
1549 |
return;
|
1550 |
} |
1551 |
gen_load_gpr(cpu_T[1], rt);
|
1552 |
switch (opc) {
|
1553 |
case OPC_ADD:
|
1554 |
{ |
1555 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1556 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1557 |
int l1 = gen_new_label();
|
1558 |
|
1559 |
save_cpu_state(ctx, 1);
|
1560 |
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
|
1561 |
tcg_gen_ext32s_tl(r_tmp2, cpu_T[1]);
|
1562 |
tcg_gen_add_tl(cpu_T[0], r_tmp1, r_tmp2);
|
1563 |
|
1564 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[1]);
|
1565 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1566 |
tcg_gen_xor_tl(r_tmp2, cpu_T[0], cpu_T[1]); |
1567 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1568 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
|
1569 |
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
|
1570 |
/* operands of same sign, result different sign */
|
1571 |
generate_exception(ctx, EXCP_OVERFLOW); |
1572 |
gen_set_label(l1); |
1573 |
|
1574 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1575 |
} |
1576 |
opn = "add";
|
1577 |
break;
|
1578 |
case OPC_ADDU:
|
1579 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1580 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1581 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1582 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1583 |
opn = "addu";
|
1584 |
break;
|
1585 |
case OPC_SUB:
|
1586 |
{ |
1587 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1588 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1589 |
int l1 = gen_new_label();
|
1590 |
|
1591 |
save_cpu_state(ctx, 1);
|
1592 |
tcg_gen_ext32s_tl(r_tmp1, cpu_T[0]);
|
1593 |
tcg_gen_ext32s_tl(r_tmp2, cpu_T[1]);
|
1594 |
tcg_gen_sub_tl(cpu_T[0], r_tmp1, r_tmp2);
|
1595 |
|
1596 |
tcg_gen_xor_tl(r_tmp2, r_tmp1, cpu_T[1]);
|
1597 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[0]);
|
1598 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1599 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 31);
|
1600 |
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
|
1601 |
/* operands of different sign, first operand and result different sign */
|
1602 |
generate_exception(ctx, EXCP_OVERFLOW); |
1603 |
gen_set_label(l1); |
1604 |
|
1605 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1606 |
} |
1607 |
opn = "sub";
|
1608 |
break;
|
1609 |
case OPC_SUBU:
|
1610 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1611 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1612 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1613 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1614 |
opn = "subu";
|
1615 |
break;
|
1616 |
#if defined(TARGET_MIPS64)
|
1617 |
case OPC_DADD:
|
1618 |
{ |
1619 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1620 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1621 |
int l1 = gen_new_label();
|
1622 |
|
1623 |
save_cpu_state(ctx, 1);
|
1624 |
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
|
1625 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1626 |
|
1627 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[1]);
|
1628 |
tcg_gen_xori_tl(r_tmp1, r_tmp1, -1);
|
1629 |
tcg_gen_xor_tl(r_tmp2, cpu_T[0], cpu_T[1]); |
1630 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1631 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
|
1632 |
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
|
1633 |
/* operands of same sign, result different sign */
|
1634 |
generate_exception(ctx, EXCP_OVERFLOW); |
1635 |
gen_set_label(l1); |
1636 |
} |
1637 |
opn = "dadd";
|
1638 |
break;
|
1639 |
case OPC_DADDU:
|
1640 |
tcg_gen_add_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1641 |
opn = "daddu";
|
1642 |
break;
|
1643 |
case OPC_DSUB:
|
1644 |
{ |
1645 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1646 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_TL); |
1647 |
int l1 = gen_new_label();
|
1648 |
|
1649 |
save_cpu_state(ctx, 1);
|
1650 |
tcg_gen_mov_tl(r_tmp1, cpu_T[0]);
|
1651 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1652 |
|
1653 |
tcg_gen_xor_tl(r_tmp2, r_tmp1, cpu_T[1]);
|
1654 |
tcg_gen_xor_tl(r_tmp1, r_tmp1, cpu_T[0]);
|
1655 |
tcg_gen_and_tl(r_tmp1, r_tmp1, r_tmp2); |
1656 |
tcg_gen_shri_tl(r_tmp1, r_tmp1, 63);
|
1657 |
tcg_gen_brcondi_tl(TCG_COND_EQ, r_tmp1, 0, l1);
|
1658 |
/* operands of different sign, first operand and result different sign */
|
1659 |
generate_exception(ctx, EXCP_OVERFLOW); |
1660 |
gen_set_label(l1); |
1661 |
} |
1662 |
opn = "dsub";
|
1663 |
break;
|
1664 |
case OPC_DSUBU:
|
1665 |
tcg_gen_sub_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1666 |
opn = "dsubu";
|
1667 |
break;
|
1668 |
#endif
|
1669 |
case OPC_SLT:
|
1670 |
gen_op_lt(); |
1671 |
opn = "slt";
|
1672 |
break;
|
1673 |
case OPC_SLTU:
|
1674 |
gen_op_ltu(); |
1675 |
opn = "sltu";
|
1676 |
break;
|
1677 |
case OPC_AND:
|
1678 |
tcg_gen_and_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1679 |
opn = "and";
|
1680 |
break;
|
1681 |
case OPC_NOR:
|
1682 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1683 |
tcg_gen_not_tl(cpu_T[0], cpu_T[0]); |
1684 |
opn = "nor";
|
1685 |
break;
|
1686 |
case OPC_OR:
|
1687 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1688 |
opn = "or";
|
1689 |
break;
|
1690 |
case OPC_XOR:
|
1691 |
tcg_gen_xor_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1692 |
opn = "xor";
|
1693 |
break;
|
1694 |
case OPC_MUL:
|
1695 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1696 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1697 |
tcg_gen_mul_tl(cpu_T[0], cpu_T[0], cpu_T[1]); |
1698 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1699 |
opn = "mul";
|
1700 |
break;
|
1701 |
case OPC_MOVN:
|
1702 |
{ |
1703 |
int l1 = gen_new_label();
|
1704 |
|
1705 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1); |
1706 |
gen_store_gpr(cpu_T[0], rd);
|
1707 |
gen_set_label(l1); |
1708 |
} |
1709 |
opn = "movn";
|
1710 |
goto print;
|
1711 |
case OPC_MOVZ:
|
1712 |
{ |
1713 |
int l1 = gen_new_label();
|
1714 |
|
1715 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_T[1], 0, l1); |
1716 |
gen_store_gpr(cpu_T[0], rd);
|
1717 |
gen_set_label(l1); |
1718 |
} |
1719 |
opn = "movz";
|
1720 |
goto print;
|
1721 |
case OPC_SLLV:
|
1722 |
tcg_gen_ext32u_tl(cpu_T[0], cpu_T[0]); |
1723 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
1724 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1725 |
tcg_gen_shl_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1726 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1727 |
opn = "sllv";
|
1728 |
break;
|
1729 |
case OPC_SRAV:
|
1730 |
tcg_gen_ext32s_tl(cpu_T[1], cpu_T[1]); |
1731 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1732 |
tcg_gen_sar_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1733 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1734 |
opn = "srav";
|
1735 |
break;
|
1736 |
case OPC_SRLV:
|
1737 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1738 |
case 0: |
1739 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
1740 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1741 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1742 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1743 |
opn = "srlv";
|
1744 |
break;
|
1745 |
case 1: |
1746 |
/* rotrv is decoded as srlv on non-R2 CPUs */
|
1747 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1748 |
int l1 = gen_new_label();
|
1749 |
int l2 = gen_new_label();
|
1750 |
|
1751 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1752 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, l1); |
1753 |
{ |
1754 |
TCGv r_tmp1 = new_tmp(); |
1755 |
TCGv r_tmp2 = new_tmp(); |
1756 |
TCGv r_tmp3 = new_tmp(); |
1757 |
|
1758 |
tcg_gen_trunc_tl_i32(r_tmp1, cpu_T[0]);
|
1759 |
tcg_gen_trunc_tl_i32(r_tmp2, cpu_T[1]);
|
1760 |
tcg_gen_movi_i32(r_tmp3, 0x20);
|
1761 |
tcg_gen_sub_i32(r_tmp3, r_tmp3, r_tmp1); |
1762 |
tcg_gen_shl_i32(r_tmp3, r_tmp2, r_tmp3); |
1763 |
tcg_gen_shr_i32(r_tmp1, r_tmp2, r_tmp1); |
1764 |
tcg_gen_or_i32(r_tmp1, r_tmp1, r_tmp3); |
1765 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1766 |
dead_tmp(r_tmp1); |
1767 |
dead_tmp(r_tmp2); |
1768 |
dead_tmp(r_tmp3); |
1769 |
tcg_gen_br(l2); |
1770 |
} |
1771 |
gen_set_label(l1); |
1772 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
1773 |
gen_set_label(l2); |
1774 |
opn = "rotrv";
|
1775 |
} else {
|
1776 |
tcg_gen_ext32u_tl(cpu_T[1], cpu_T[1]); |
1777 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x1f); |
1778 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1779 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
1780 |
opn = "srlv";
|
1781 |
} |
1782 |
break;
|
1783 |
default:
|
1784 |
MIPS_INVAL("invalid srlv flag");
|
1785 |
generate_exception(ctx, EXCP_RI); |
1786 |
break;
|
1787 |
} |
1788 |
break;
|
1789 |
#if defined(TARGET_MIPS64)
|
1790 |
case OPC_DSLLV:
|
1791 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1792 |
tcg_gen_shl_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1793 |
opn = "dsllv";
|
1794 |
break;
|
1795 |
case OPC_DSRAV:
|
1796 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1797 |
tcg_gen_sar_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1798 |
opn = "dsrav";
|
1799 |
break;
|
1800 |
case OPC_DSRLV:
|
1801 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1802 |
case 0: |
1803 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1804 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1805 |
opn = "dsrlv";
|
1806 |
break;
|
1807 |
case 1: |
1808 |
/* drotrv is decoded as dsrlv on non-R2 CPUs */
|
1809 |
if (env->insn_flags & ISA_MIPS32R2) {
|
1810 |
int l1 = gen_new_label();
|
1811 |
int l2 = gen_new_label();
|
1812 |
|
1813 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1814 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[0], 0, l1); |
1815 |
{ |
1816 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_TL); |
1817 |
|
1818 |
tcg_gen_movi_tl(r_tmp1, 0x40);
|
1819 |
tcg_gen_sub_tl(r_tmp1, r_tmp1, cpu_T[0]);
|
1820 |
tcg_gen_shl_tl(r_tmp1, cpu_T[1], r_tmp1);
|
1821 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1822 |
tcg_gen_or_tl(cpu_T[0], cpu_T[0], r_tmp1); |
1823 |
tcg_gen_br(l2); |
1824 |
} |
1825 |
gen_set_label(l1); |
1826 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
1827 |
gen_set_label(l2); |
1828 |
opn = "drotrv";
|
1829 |
} else {
|
1830 |
tcg_gen_andi_tl(cpu_T[0], cpu_T[0], 0x3f); |
1831 |
tcg_gen_shr_tl(cpu_T[0], cpu_T[1], cpu_T[0]); |
1832 |
opn = "dsrlv";
|
1833 |
} |
1834 |
break;
|
1835 |
default:
|
1836 |
MIPS_INVAL("invalid dsrlv flag");
|
1837 |
generate_exception(ctx, EXCP_RI); |
1838 |
break;
|
1839 |
} |
1840 |
break;
|
1841 |
#endif
|
1842 |
default:
|
1843 |
MIPS_INVAL(opn); |
1844 |
generate_exception(ctx, EXCP_RI); |
1845 |
return;
|
1846 |
} |
1847 |
gen_store_gpr(cpu_T[0], rd);
|
1848 |
print:
|
1849 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1850 |
} |
1851 |
|
1852 |
/* Arithmetic on HI/LO registers */
|
1853 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
1854 |
{ |
1855 |
const char *opn = "hilo"; |
1856 |
|
1857 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
1858 |
/* Treat as NOP. */
|
1859 |
MIPS_DEBUG("NOP");
|
1860 |
return;
|
1861 |
} |
1862 |
switch (opc) {
|
1863 |
case OPC_MFHI:
|
1864 |
gen_load_HI(cpu_T[0], 0); |
1865 |
gen_store_gpr(cpu_T[0], reg);
|
1866 |
opn = "mfhi";
|
1867 |
break;
|
1868 |
case OPC_MFLO:
|
1869 |
gen_load_LO(cpu_T[0], 0); |
1870 |
gen_store_gpr(cpu_T[0], reg);
|
1871 |
opn = "mflo";
|
1872 |
break;
|
1873 |
case OPC_MTHI:
|
1874 |
gen_load_gpr(cpu_T[0], reg);
|
1875 |
gen_store_HI(cpu_T[0], 0); |
1876 |
opn = "mthi";
|
1877 |
break;
|
1878 |
case OPC_MTLO:
|
1879 |
gen_load_gpr(cpu_T[0], reg);
|
1880 |
gen_store_LO(cpu_T[0], 0); |
1881 |
opn = "mtlo";
|
1882 |
break;
|
1883 |
default:
|
1884 |
MIPS_INVAL(opn); |
1885 |
generate_exception(ctx, EXCP_RI); |
1886 |
return;
|
1887 |
} |
1888 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
1889 |
} |
1890 |
|
1891 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
1892 |
int rs, int rt) |
1893 |
{ |
1894 |
const char *opn = "mul/div"; |
1895 |
|
1896 |
gen_load_gpr(cpu_T[0], rs);
|
1897 |
gen_load_gpr(cpu_T[1], rt);
|
1898 |
switch (opc) {
|
1899 |
case OPC_DIV:
|
1900 |
{ |
1901 |
int l1 = gen_new_label();
|
1902 |
|
1903 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1); |
1904 |
{ |
1905 |
TCGv r_tmp1 = new_tmp(); |
1906 |
TCGv r_tmp2 = new_tmp(); |
1907 |
TCGv r_tmp3 = new_tmp(); |
1908 |
|
1909 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1910 |
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
|
1911 |
tcg_gen_div_i32(r_tmp3, r_tmp1, r_tmp2); |
1912 |
tcg_gen_rem_i32(r_tmp1, r_tmp1, r_tmp2); |
1913 |
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
|
1914 |
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
|
1915 |
gen_store_LO(cpu_T[0], 0); |
1916 |
gen_store_HI(cpu_T[1], 0); |
1917 |
dead_tmp(r_tmp1); |
1918 |
dead_tmp(r_tmp2); |
1919 |
dead_tmp(r_tmp3); |
1920 |
} |
1921 |
gen_set_label(l1); |
1922 |
} |
1923 |
opn = "div";
|
1924 |
break;
|
1925 |
case OPC_DIVU:
|
1926 |
{ |
1927 |
int l1 = gen_new_label();
|
1928 |
|
1929 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1); |
1930 |
{ |
1931 |
TCGv r_tmp1 = new_tmp(); |
1932 |
TCGv r_tmp2 = new_tmp(); |
1933 |
TCGv r_tmp3 = new_tmp(); |
1934 |
|
1935 |
tcg_gen_ext_i32_tl(r_tmp1, cpu_T[0]);
|
1936 |
tcg_gen_ext_i32_tl(r_tmp2, cpu_T[1]);
|
1937 |
tcg_gen_divu_i32(r_tmp3, r_tmp1, r_tmp2); |
1938 |
tcg_gen_remu_i32(r_tmp1, r_tmp1, r_tmp2); |
1939 |
tcg_gen_trunc_tl_i32(cpu_T[0], r_tmp3);
|
1940 |
tcg_gen_trunc_tl_i32(cpu_T[1], r_tmp1);
|
1941 |
gen_store_LO(cpu_T[0], 0); |
1942 |
gen_store_HI(cpu_T[1], 0); |
1943 |
dead_tmp(r_tmp1); |
1944 |
dead_tmp(r_tmp2); |
1945 |
dead_tmp(r_tmp3); |
1946 |
} |
1947 |
gen_set_label(l1); |
1948 |
} |
1949 |
opn = "divu";
|
1950 |
break;
|
1951 |
case OPC_MULT:
|
1952 |
gen_op_mult(); |
1953 |
opn = "mult";
|
1954 |
break;
|
1955 |
case OPC_MULTU:
|
1956 |
gen_op_multu(); |
1957 |
opn = "multu";
|
1958 |
break;
|
1959 |
#if defined(TARGET_MIPS64)
|
1960 |
case OPC_DDIV:
|
1961 |
{ |
1962 |
int l1 = gen_new_label();
|
1963 |
|
1964 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1); |
1965 |
{ |
1966 |
int l2 = gen_new_label();
|
1967 |
|
1968 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_T[0], 1ULL << 63, l2); |
1969 |
tcg_gen_brcondi_tl(TCG_COND_NE, cpu_T[1], -1ULL, l2); |
1970 |
{ |
1971 |
tcg_gen_movi_tl(cpu_T[1], 0); |
1972 |
gen_store_LO(cpu_T[0], 0); |
1973 |
gen_store_HI(cpu_T[1], 0); |
1974 |
tcg_gen_br(l1); |
1975 |
} |
1976 |
gen_set_label(l2); |
1977 |
{ |
1978 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64); |
1979 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64); |
1980 |
|
1981 |
tcg_gen_div_i64(r_tmp1, cpu_T[0], cpu_T[1]); |
1982 |
tcg_gen_rem_i64(r_tmp2, cpu_T[0], cpu_T[1]); |
1983 |
gen_store_LO(r_tmp1, 0);
|
1984 |
gen_store_HI(r_tmp2, 0);
|
1985 |
} |
1986 |
} |
1987 |
gen_set_label(l1); |
1988 |
} |
1989 |
opn = "ddiv";
|
1990 |
break;
|
1991 |
case OPC_DDIVU:
|
1992 |
{ |
1993 |
int l1 = gen_new_label();
|
1994 |
|
1995 |
tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_T[1], 0, l1); |
1996 |
{ |
1997 |
TCGv r_tmp1 = tcg_temp_new(TCG_TYPE_I64); |
1998 |
TCGv r_tmp2 = tcg_temp_new(TCG_TYPE_I64); |
1999 |
|
2000 |
tcg_gen_divu_i64(r_tmp1, cpu_T[0], cpu_T[1]); |
2001 |
tcg_gen_remu_i64(r_tmp2, cpu_T[0], cpu_T[1]); |
2002 |
gen_store_LO(r_tmp1, 0);
|
2003 |
gen_store_HI(r_tmp2, 0);
|
2004 |
} |
2005 |
gen_set_label(l1); |
2006 |
} |
2007 |
opn = "ddivu";
|
2008 |
break;
|
2009 |
case OPC_DMULT:
|
2010 |
gen_op_dmult(); |
2011 |
opn = "dmult";
|
2012 |
break;
|
2013 |
case OPC_DMULTU:
|
2014 |
gen_op_dmultu(); |
2015 |
opn = "dmultu";
|
2016 |
break;
|
2017 |
#endif
|
2018 |
case OPC_MADD:
|
2019 |
gen_op_madd(); |
2020 |
opn = "madd";
|
2021 |
break;
|
2022 |
case OPC_MADDU:
|
2023 |
gen_op_maddu(); |
2024 |
opn = "maddu";
|
2025 |
break;
|
2026 |
case OPC_MSUB:
|
2027 |
gen_op_msub(); |
2028 |
opn = "msub";
|
2029 |
break;
|
2030 |
case OPC_MSUBU:
|
2031 |
gen_op_msubu(); |
2032 |
opn = "msubu";
|
2033 |
break;
|
2034 |
default:
|
2035 |
MIPS_INVAL(opn); |
2036 |
generate_exception(ctx, EXCP_RI); |
2037 |
return;
|
2038 |
} |
2039 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
2040 |
} |
2041 |
|
2042 |
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
2043 |
int rd, int rs, int rt) |
2044 |
{ |
2045 |
const char *opn = "mul vr54xx"; |
2046 |
|
2047 |
gen_load_gpr(cpu_T[0], rs);
|
2048 |
gen_load_gpr(cpu_T[1], rt);
|
2049 |
|
2050 |
switch (opc) {
|
2051 |
case OPC_VR54XX_MULS:
|
2052 |
gen_op_muls(); |
2053 |
opn = "muls";
|
2054 |
break;
|
2055 |
case OPC_VR54XX_MULSU:
|
2056 |
gen_op_mulsu(); |
2057 |
opn = "mulsu";
|
2058 |
break;
|
2059 |
case OPC_VR54XX_MACC:
|
2060 |
gen_op_macc(); |
2061 |
opn = "macc";
|
2062 |
break;
|
2063 |
case OPC_VR54XX_MACCU:
|
2064 |
gen_op_maccu(); |
2065 |
opn = "maccu";
|
2066 |
break;
|
2067 |
case OPC_VR54XX_MSAC:
|
2068 |
gen_op_msac(); |
2069 |
opn = "msac";
|
2070 |
break;
|
2071 |
case OPC_VR54XX_MSACU:
|
2072 |
gen_op_msacu(); |
2073 |
opn = "msacu";
|
2074 |
break;
|
2075 |
case OPC_VR54XX_MULHI:
|
2076 |
gen_op_mulhi(); |
2077 |
opn = "mulhi";
|
2078 |
break;
|
2079 |
case OPC_VR54XX_MULHIU:
|
2080 |
gen_op_mulhiu(); |
2081 |
opn = "mulhiu";
|
2082 |
break;
|
2083 |
case OPC_VR54XX_MULSHI:
|
2084 |
gen_op_mulshi(); |
2085 |
opn = "mulshi";
|
2086 |
break;
|
2087 |
case OPC_VR54XX_MULSHIU:
|
2088 |
gen_op_mulshiu(); |
2089 |
opn = "mulshiu";
|
2090 |
break;
|
2091 |
case OPC_VR54XX_MACCHI:
|
2092 |
gen_op_macchi(); |
2093 |
opn = "macchi";
|
2094 |
break;
|
2095 |
case OPC_VR54XX_MACCHIU:
|
2096 |
gen_op_macchiu(); |
2097 |
opn = "macchiu";
|
2098 |
break;
|
2099 |
case OPC_VR54XX_MSACHI:
|
2100 |
gen_op_msachi(); |
2101 |
opn = "msachi";
|
2102 |
break;
|
2103 |
case OPC_VR54XX_MSACHIU:
|
2104 |
gen_op_msachiu(); |
2105 |
opn = "msachiu";
|
2106 |
break;
|
2107 |
default:
|
2108 |
MIPS_INVAL("mul vr54xx");
|
2109 |
generate_exception(ctx, EXCP_RI); |
2110 |
return;
|
2111 |
} |
2112 |
gen_store_gpr(cpu_T[0], rd);
|
2113 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
2114 |
} |
2115 |
|
2116 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
2117 |
int rd, int rs) |
2118 |
{ |
2119 |
const char *opn = "CLx"; |
2120 |
if (rd == 0) { |
2121 |
/* Treat as NOP. */
|
2122 |
MIPS_DEBUG("NOP");
|
2123 |
return;
|
2124 |
} |
2125 |
gen_load_gpr(cpu_T[0], rs);
|
2126 |
switch (opc) {
|
2127 |
case OPC_CLO:
|
2128 |
tcg_gen_helper_0_0(do_clo); |
2129 |
opn = "clo";
|
2130 |
break;
|
2131 |
case OPC_CLZ:
|
2132 |
tcg_gen_helper_0_0(do_clz); |
2133 |
opn = "clz";
|
2134 |
break;
|
2135 |
#if defined(TARGET_MIPS64)
|
2136 |
case OPC_DCLO:
|
2137 |
tcg_gen_helper_0_0(do_dclo); |
2138 |
opn = "dclo";
|
2139 |
break;
|
2140 |
case OPC_DCLZ:
|
2141 |
tcg_gen_helper_0_0(do_dclz); |
2142 |
opn = "dclz";
|
2143 |
break;
|
2144 |
#endif
|
2145 |
default:
|
2146 |
MIPS_INVAL(opn); |
2147 |
generate_exception(ctx, EXCP_RI); |
2148 |
return;
|
2149 |
} |
2150 |
gen_store_gpr(cpu_T[0], rd);
|
2151 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
2152 |
} |
2153 |
|
2154 |
/* Traps */
|
2155 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
2156 |
int rs, int rt, int16_t imm) |
2157 |
{ |
2158 |
int cond;
|
2159 |
|
2160 |
cond = 0;
|
2161 |
/* Load needed operands */
|
2162 |
switch (opc) {
|
2163 |
case OPC_TEQ:
|
2164 |
case OPC_TGE:
|
2165 |
case OPC_TGEU:
|
2166 |
case OPC_TLT:
|
2167 |
case OPC_TLTU:
|
2168 |
case OPC_TNE:
|
2169 |
/* Compare two registers */
|
2170 |
if (rs != rt) {
|
2171 |
gen_load_gpr(cpu_T[0], rs);
|
2172 |
gen_load_gpr(cpu_T[1], rt);
|
2173 |
cond = 1;
|
2174 |
} |
2175 |
break;
|
2176 |
case OPC_TEQI:
|
2177 |
case OPC_TGEI:
|
2178 |
case OPC_TGEIU:
|
2179 |
case OPC_TLTI:
|
2180 |
case OPC_TLTIU:
|
2181 |
case OPC_TNEI:
|
2182 |
/* Compare register to immediate */
|
2183 |
if (rs != 0 || imm != 0) { |
2184 |
gen_load_gpr(cpu_T[0], rs);
|
2185 |
tcg_gen_movi_tl(cpu_T[1], (int32_t)imm);
|
2186 |
cond = 1;
|
2187 |
} |
2188 |
break;
|
2189 |
} |
2190 |
if (cond == 0) { |
2191 |
switch (opc) {
|
2192 |
case OPC_TEQ: /* rs == rs */ |
2193 |
case OPC_TEQI: /* r0 == 0 */ |
2194 |
case OPC_TGE: /* rs >= rs */ |
2195 |
case OPC_TGEI: /* r0 >= 0 */ |
2196 |
case OPC_TGEU: /* rs >= rs unsigned */ |
2197 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
2198 |
/* Always trap */
|
2199 |
tcg_gen_movi_tl(cpu_T[0], 1); |
2200 |
break;
|
2201 |
case OPC_TLT: /* rs < rs */ |
2202 |
case OPC_TLTI: /* r0 < 0 */ |
2203 |
case OPC_TLTU: /* rs < rs unsigned */ |
2204 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
2205 |
case OPC_TNE: /* rs != rs */ |
2206 |
case OPC_TNEI: /* r0 != 0 */ |
2207 |
/* Never trap: treat as NOP. */
|
2208 |
return;
|
2209 |
default:
|
2210 |
MIPS_INVAL("trap");
|
2211 |
generate_exception(ctx, EXCP_RI); |
2212 |
return;
|
2213 |
} |
2214 |
} else {
|
2215 |
switch (opc) {
|
2216 |
case OPC_TEQ:
|
2217 |
case OPC_TEQI:
|
2218 |
gen_op_eq(); |
2219 |
break;
|
2220 |
case OPC_TGE:
|
2221 |
case OPC_TGEI:
|
2222 |
gen_op_ge(); |
2223 |
break;
|
2224 |
case OPC_TGEU:
|
2225 |
case OPC_TGEIU:
|
2226 |
gen_op_geu(); |
2227 |
break;
|
2228 |
case OPC_TLT:
|
2229 |
case OPC_TLTI:
|
2230 |
gen_op_lt(); |
2231 |
break;
|
2232 |
case OPC_TLTU:
|
2233 |
case OPC_TLTIU:
|
2234 |
gen_op_ltu(); |
2235 |
break;
|
2236 |
case OPC_TNE:
|
2237 |
case OPC_TNEI:
|
2238 |
gen_op_ne(); |
2239 |
break;
|
2240 |
default:
|
2241 |
MIPS_INVAL("trap");
|
2242 |
generate_exception(ctx, EXCP_RI); |
2243 |
return;
|
2244 |
} |
2245 |
} |
2246 |
save_cpu_state(ctx, 1);
|
2247 |
gen_op_trap(); |
2248 |
ctx->bstate = BS_STOP; |
2249 |
} |
2250 |
|
2251 |
static always_inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
2252 |
{ |
2253 |
TranslationBlock *tb; |
2254 |
tb = ctx->tb; |
2255 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
|
2256 |
tcg_gen_goto_tb(n); |
2257 |
gen_save_pc(dest); |
2258 |
tcg_gen_exit_tb((long)tb + n);
|
2259 |
} else {
|
2260 |
gen_save_pc(dest); |
2261 |
tcg_gen_exit_tb(0);
|
2262 |
} |
2263 |
} |
2264 |
|
2265 |
/* Branches (before delay slot) */
|
2266 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
2267 |
int rs, int rt, int32_t offset) |
2268 |
{ |
2269 |
target_ulong btarget = -1;
|
2270 |
int blink = 0; |
2271 |
int bcond = 0; |
2272 |
|
2273 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
2274 |
#ifdef MIPS_DEBUG_DISAS
|
2275 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2276 |
fprintf(logfile, |
2277 |
"Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", |
2278 |
ctx->pc); |
2279 |
} |
2280 |
#endif
|
2281 |
generate_exception(ctx, EXCP_RI); |
2282 |
return;
|
2283 |
} |
2284 |
|
2285 |
/* Load needed operands */
|
2286 |
switch (opc) {
|
2287 |
case OPC_BEQ:
|
2288 |
case OPC_BEQL:
|
2289 |
case OPC_BNE:
|
2290 |
case OPC_BNEL:
|
2291 |
/* Compare two registers */
|
2292 |
if (rs != rt) {
|
2293 |
gen_load_gpr(cpu_T[0], rs);
|
2294 |
gen_load_gpr(cpu_T[1], rt);
|
2295 |
bcond = 1;
|
2296 |
} |
2297 |
btarget = ctx->pc + 4 + offset;
|
2298 |
break;
|
2299 |
case OPC_BGEZ:
|
2300 |
case OPC_BGEZAL:
|
2301 |
case OPC_BGEZALL:
|
2302 |
case OPC_BGEZL:
|
2303 |
case OPC_BGTZ:
|
2304 |
case OPC_BGTZL:
|
2305 |
case OPC_BLEZ:
|
2306 |
case OPC_BLEZL:
|
2307 |
case OPC_BLTZ:
|
2308 |
case OPC_BLTZAL:
|
2309 |
case OPC_BLTZALL:
|
2310 |
case OPC_BLTZL:
|
2311 |
/* Compare to zero */
|
2312 |
if (rs != 0) { |
2313 |
gen_load_gpr(cpu_T[0], rs);
|
2314 |
bcond = 1;
|
2315 |
} |
2316 |
btarget = ctx->pc + 4 + offset;
|
2317 |
break;
|
2318 |
case OPC_J:
|
2319 |
case OPC_JAL:
|
2320 |
/* Jump to immediate */
|
2321 |
btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; |
2322 |
break;
|
2323 |
case OPC_JR:
|
2324 |
case OPC_JALR:
|
2325 |
/* Jump to register */
|
2326 |
if (offset != 0 && offset != 16) { |
2327 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
2328 |
others are reserved. */
|
2329 |
MIPS_INVAL("jump hint");
|
2330 |
generate_exception(ctx, EXCP_RI); |
2331 |
return;
|
2332 |
} |
2333 |
gen_save_breg_target(rs); |
2334 |
break;
|
2335 |
default:
|
2336 |
MIPS_INVAL("branch/jump");
|
2337 |
generate_exception(ctx, EXCP_RI); |
2338 |
return;
|
2339 |
} |
2340 |
if (bcond == 0) { |
2341 |
/* No condition to be computed */
|
2342 |
switch (opc) {
|
2343 |
case OPC_BEQ: /* rx == rx */ |
2344 |
case OPC_BEQL: /* rx == rx likely */ |
2345 |
case OPC_BGEZ: /* 0 >= 0 */ |
2346 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
2347 |
case OPC_BLEZ: /* 0 <= 0 */ |
2348 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
2349 |
/* Always take */
|
2350 |
ctx->hflags |= MIPS_HFLAG_B; |
2351 |
MIPS_DEBUG("balways");
|
2352 |
break;
|
2353 |
case OPC_BGEZAL: /* 0 >= 0 */ |
2354 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
2355 |
/* Always take and link */
|
2356 |
blink = 31;
|
2357 |
ctx->hflags |= MIPS_HFLAG_B; |
2358 |
MIPS_DEBUG("balways and link");
|
2359 |
break;
|
2360 |
case OPC_BNE: /* rx != rx */ |
2361 |
case OPC_BGTZ: /* 0 > 0 */ |
2362 |
case OPC_BLTZ: /* 0 < 0 */ |
2363 |
/* Treat as NOP. */
|
2364 |
MIPS_DEBUG("bnever (NOP)");
|
2365 |
return;
|
2366 |
case OPC_BLTZAL: /* 0 < 0 */ |
2367 |
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8); |
2368 |
gen_store_gpr(cpu_T[0], 31); |
2369 |
MIPS_DEBUG("bnever and link");
|
2370 |
return;
|
2371 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
2372 |
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8); |
2373 |
gen_store_gpr(cpu_T[0], 31); |
2374 |
/* Skip the instruction in the delay slot */
|
2375 |
MIPS_DEBUG("bnever, link and skip");
|
2376 |
ctx->pc += 4;
|
2377 |
return;
|
2378 |
case OPC_BNEL: /* rx != rx likely */ |
2379 |
case OPC_BGTZL: /* 0 > 0 likely */ |
2380 |
case OPC_BLTZL: /* 0 < 0 likely */ |
2381 |
/* Skip the instruction in the delay slot */
|
2382 |
MIPS_DEBUG("bnever and skip");
|
2383 |
ctx->pc += 4;
|
2384 |
return;
|
2385 |
case OPC_J:
|
2386 |
ctx->hflags |= MIPS_HFLAG_B; |
2387 |
MIPS_DEBUG("j " TARGET_FMT_lx, btarget);
|
2388 |
break;
|
2389 |
case OPC_JAL:
|
2390 |
blink = 31;
|
2391 |
ctx->hflags |= MIPS_HFLAG_B; |
2392 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btarget);
|
2393 |
break;
|
2394 |
case OPC_JR:
|
2395 |
ctx->hflags |= MIPS_HFLAG_BR; |
2396 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
2397 |
break;
|
2398 |
case OPC_JALR:
|
2399 |
blink = rt; |
2400 |
ctx->hflags |= MIPS_HFLAG_BR; |
2401 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
2402 |
break;
|
2403 |
default:
|
2404 |
MIPS_INVAL("branch/jump");
|
2405 |
generate_exception(ctx, EXCP_RI); |
2406 |
return;
|
2407 |
} |
2408 |
} else {
|
2409 |
switch (opc) {
|
2410 |
case OPC_BEQ:
|
2411 |
gen_op_eq(); |
2412 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
2413 |
regnames[rs], regnames[rt], btarget); |
2414 |
goto not_likely;
|
2415 |
case OPC_BEQL:
|
2416 |
gen_op_eq(); |
2417 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
2418 |
regnames[rs], regnames[rt], btarget); |
2419 |
goto likely;
|
2420 |
case OPC_BNE:
|
2421 |
gen_op_ne(); |
2422 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
2423 |
regnames[rs], regnames[rt], btarget); |
2424 |
goto not_likely;
|
2425 |
case OPC_BNEL:
|
2426 |
gen_op_ne(); |
2427 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
2428 |
regnames[rs], regnames[rt], btarget); |
2429 |
goto likely;
|
2430 |
case OPC_BGEZ:
|
2431 |
gen_op_gez(); |
2432 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2433 |
goto not_likely;
|
2434 |
case OPC_BGEZL:
|
2435 |
gen_op_gez(); |
2436 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2437 |
goto likely;
|
2438 |
case OPC_BGEZAL:
|
2439 |
gen_op_gez(); |
2440 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2441 |
blink = 31;
|
2442 |
goto not_likely;
|
2443 |
case OPC_BGEZALL:
|
2444 |
gen_op_gez(); |
2445 |
blink = 31;
|
2446 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2447 |
goto likely;
|
2448 |
case OPC_BGTZ:
|
2449 |
gen_op_gtz(); |
2450 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2451 |
goto not_likely;
|
2452 |
case OPC_BGTZL:
|
2453 |
gen_op_gtz(); |
2454 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2455 |
goto likely;
|
2456 |
case OPC_BLEZ:
|
2457 |
gen_op_lez(); |
2458 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2459 |
goto not_likely;
|
2460 |
case OPC_BLEZL:
|
2461 |
gen_op_lez(); |
2462 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2463 |
goto likely;
|
2464 |
case OPC_BLTZ:
|
2465 |
gen_op_ltz(); |
2466 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2467 |
goto not_likely;
|
2468 |
case OPC_BLTZL:
|
2469 |
gen_op_ltz(); |
2470 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2471 |
goto likely;
|
2472 |
case OPC_BLTZAL:
|
2473 |
gen_op_ltz(); |
2474 |
blink = 31;
|
2475 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2476 |
not_likely:
|
2477 |
ctx->hflags |= MIPS_HFLAG_BC; |
2478 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
2479 |
break;
|
2480 |
case OPC_BLTZALL:
|
2481 |
gen_op_ltz(); |
2482 |
blink = 31;
|
2483 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
2484 |
likely:
|
2485 |
ctx->hflags |= MIPS_HFLAG_BL; |
2486 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
2487 |
break;
|
2488 |
default:
|
2489 |
MIPS_INVAL("conditional branch/jump");
|
2490 |
generate_exception(ctx, EXCP_RI); |
2491 |
return;
|
2492 |
} |
2493 |
} |
2494 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
2495 |
blink, ctx->hflags, btarget); |
2496 |
|
2497 |
ctx->btarget = btarget; |
2498 |
if (blink > 0) { |
2499 |
tcg_gen_movi_tl(cpu_T[0], ctx->pc + 8); |
2500 |
gen_store_gpr(cpu_T[0], blink);
|
2501 |
} |
2502 |
} |
2503 |
|
2504 |
/* special3 bitfield operations */
|
2505 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
2506 |
int rs, int lsb, int msb) |
2507 |
{ |
2508 |
gen_load_gpr(cpu_T[1], rs);
|
2509 |
switch (opc) {
|
2510 |
case OPC_EXT:
|
2511 |
if (lsb + msb > 31) |
2512 |
goto fail;
|
2513 |
gen_op_ext(lsb, msb + 1);
|
2514 |
break;
|
2515 |
#if defined(TARGET_MIPS64)
|
2516 |
case OPC_DEXTM:
|
2517 |
if (lsb + msb > 63) |
2518 |
goto fail;
|
2519 |
gen_op_dext(lsb, msb + 1 + 32); |
2520 |
break;
|
2521 |
case OPC_DEXTU:
|
2522 |
if (lsb + msb > 63) |
2523 |
goto fail;
|
2524 |
gen_op_dext(lsb + 32, msb + 1); |
2525 |
break;
|
2526 |
case OPC_DEXT:
|
2527 |
if (lsb + msb > 63) |
2528 |
goto fail;
|
2529 |
gen_op_dext(lsb, msb + 1);
|
2530 |
break;
|
2531 |
#endif
|
2532 |
case OPC_INS:
|
2533 |
if (lsb > msb)
|
2534 |
goto fail;
|
2535 |
gen_load_gpr(cpu_T[0], rt);
|
2536 |
gen_op_ins(lsb, msb - lsb + 1);
|
2537 |
break;
|
2538 |
#if defined(TARGET_MIPS64)
|
2539 |
case OPC_DINSM:
|
2540 |
if (lsb > msb)
|
2541 |
goto fail;
|
2542 |
gen_load_gpr(cpu_T[0], rt);
|
2543 |
gen_op_dins(lsb, msb - lsb + 1 + 32); |
2544 |
break;
|
2545 |
case OPC_DINSU:
|
2546 |
if (lsb > msb)
|
2547 |
goto fail;
|
2548 |
gen_load_gpr(cpu_T[0], rt);
|
2549 |
gen_op_dins(lsb + 32, msb - lsb + 1); |
2550 |
break;
|
2551 |
case OPC_DINS:
|
2552 |
if (lsb > msb)
|
2553 |
goto fail;
|
2554 |
gen_load_gpr(cpu_T[0], rt);
|
2555 |
gen_op_dins(lsb, msb - lsb + 1);
|
2556 |
break;
|
2557 |
#endif
|
2558 |
default:
|
2559 |
fail:
|
2560 |
MIPS_INVAL("bitops");
|
2561 |
generate_exception(ctx, EXCP_RI); |
2562 |
return;
|
2563 |
} |
2564 |
gen_store_gpr(cpu_T[0], rt);
|
2565 |
} |
2566 |
|
2567 |
/* CP0 (MMU and control) */
|
2568 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
2569 |
{ |
2570 |
const char *rn = "invalid"; |
2571 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_I32); |
2572 |
TCGv r_tmp64 = tcg_temp_new(TCG_TYPE_I64); |
2573 |
|
2574 |
if (sel != 0) |
2575 |
check_insn(env, ctx, ISA_MIPS32); |
2576 |
|
2577 |
switch (reg) {
|
2578 |
case 0: |
2579 |
switch (sel) {
|
2580 |
case 0: |
2581 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Index)); |
2582 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2583 |
rn = "Index";
|
2584 |
break;
|
2585 |
case 1: |
2586 |
check_insn(env, ctx, ASE_MT); |
2587 |
gen_op_mfc0_mvpcontrol(); |
2588 |
rn = "MVPControl";
|
2589 |
break;
|
2590 |
case 2: |
2591 |
check_insn(env, ctx, ASE_MT); |
2592 |
gen_op_mfc0_mvpconf0(); |
2593 |
rn = "MVPConf0";
|
2594 |
break;
|
2595 |
case 3: |
2596 |
check_insn(env, ctx, ASE_MT); |
2597 |
gen_op_mfc0_mvpconf1(); |
2598 |
rn = "MVPConf1";
|
2599 |
break;
|
2600 |
default:
|
2601 |
goto die;
|
2602 |
} |
2603 |
break;
|
2604 |
case 1: |
2605 |
switch (sel) {
|
2606 |
case 0: |
2607 |
gen_op_mfc0_random(); |
2608 |
rn = "Random";
|
2609 |
break;
|
2610 |
case 1: |
2611 |
check_insn(env, ctx, ASE_MT); |
2612 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEControl)); |
2613 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2614 |
rn = "VPEControl";
|
2615 |
break;
|
2616 |
case 2: |
2617 |
check_insn(env, ctx, ASE_MT); |
2618 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf0)); |
2619 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2620 |
rn = "VPEConf0";
|
2621 |
break;
|
2622 |
case 3: |
2623 |
check_insn(env, ctx, ASE_MT); |
2624 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf1)); |
2625 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2626 |
rn = "VPEConf1";
|
2627 |
break;
|
2628 |
case 4: |
2629 |
check_insn(env, ctx, ASE_MT); |
2630 |
tcg_gen_ld_i64(r_tmp64, cpu_env, offsetof(CPUState, CP0_YQMask)); |
2631 |
tcg_gen_trunc_i64_tl(cpu_T[0], r_tmp64);
|
2632 |
rn = "YQMask";
|
2633 |
break;
|
2634 |
case 5: |
2635 |
check_insn(env, ctx, ASE_MT); |
2636 |
tcg_gen_ld_tl(r_tmp64, cpu_env, offsetof(CPUState, CP0_VPESchedule)); |
2637 |
tcg_gen_trunc_i64_tl(cpu_T[0], r_tmp64);
|
2638 |
rn = "VPESchedule";
|
2639 |
break;
|
2640 |
case 6: |
2641 |
check_insn(env, ctx, ASE_MT); |
2642 |
tcg_gen_ld_tl(r_tmp64, cpu_env, offsetof(CPUState, CP0_VPEScheFBack)); |
2643 |
tcg_gen_trunc_i64_tl(cpu_T[0], r_tmp64);
|
2644 |
rn = "VPEScheFBack";
|
2645 |
break;
|
2646 |
case 7: |
2647 |
check_insn(env, ctx, ASE_MT); |
2648 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEOpt)); |
2649 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2650 |
rn = "VPEOpt";
|
2651 |
break;
|
2652 |
default:
|
2653 |
goto die;
|
2654 |
} |
2655 |
break;
|
2656 |
case 2: |
2657 |
switch (sel) {
|
2658 |
case 0: |
2659 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo0));
|
2660 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
2661 |
rn = "EntryLo0";
|
2662 |
break;
|
2663 |
case 1: |
2664 |
check_insn(env, ctx, ASE_MT); |
2665 |
gen_op_mfc0_tcstatus(); |
2666 |
rn = "TCStatus";
|
2667 |
break;
|
2668 |
case 2: |
2669 |
check_insn(env, ctx, ASE_MT); |
2670 |
gen_op_mfc0_tcbind(); |
2671 |
rn = "TCBind";
|
2672 |
break;
|
2673 |
case 3: |
2674 |
check_insn(env, ctx, ASE_MT); |
2675 |
gen_op_mfc0_tcrestart(); |
2676 |
rn = "TCRestart";
|
2677 |
break;
|
2678 |
case 4: |
2679 |
check_insn(env, ctx, ASE_MT); |
2680 |
gen_op_mfc0_tchalt(); |
2681 |
rn = "TCHalt";
|
2682 |
break;
|
2683 |
case 5: |
2684 |
check_insn(env, ctx, ASE_MT); |
2685 |
gen_op_mfc0_tccontext(); |
2686 |
rn = "TCContext";
|
2687 |
break;
|
2688 |
case 6: |
2689 |
check_insn(env, ctx, ASE_MT); |
2690 |
gen_op_mfc0_tcschedule(); |
2691 |
rn = "TCSchedule";
|
2692 |
break;
|
2693 |
case 7: |
2694 |
check_insn(env, ctx, ASE_MT); |
2695 |
gen_op_mfc0_tcschefback(); |
2696 |
rn = "TCScheFBack";
|
2697 |
break;
|
2698 |
default:
|
2699 |
goto die;
|
2700 |
} |
2701 |
break;
|
2702 |
case 3: |
2703 |
switch (sel) {
|
2704 |
case 0: |
2705 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo1));
|
2706 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
2707 |
rn = "EntryLo1";
|
2708 |
break;
|
2709 |
default:
|
2710 |
goto die;
|
2711 |
} |
2712 |
break;
|
2713 |
case 4: |
2714 |
switch (sel) {
|
2715 |
case 0: |
2716 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_Context));
|
2717 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
2718 |
rn = "Context";
|
2719 |
break;
|
2720 |
case 1: |
2721 |
// gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
|
2722 |
rn = "ContextConfig";
|
2723 |
// break;
|
2724 |
default:
|
2725 |
goto die;
|
2726 |
} |
2727 |
break;
|
2728 |
case 5: |
2729 |
switch (sel) {
|
2730 |
case 0: |
2731 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageMask)); |
2732 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2733 |
rn = "PageMask";
|
2734 |
break;
|
2735 |
case 1: |
2736 |
check_insn(env, ctx, ISA_MIPS32R2); |
2737 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageGrain)); |
2738 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2739 |
rn = "PageGrain";
|
2740 |
break;
|
2741 |
default:
|
2742 |
goto die;
|
2743 |
} |
2744 |
break;
|
2745 |
case 6: |
2746 |
switch (sel) {
|
2747 |
case 0: |
2748 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Wired)); |
2749 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2750 |
rn = "Wired";
|
2751 |
break;
|
2752 |
case 1: |
2753 |
check_insn(env, ctx, ISA_MIPS32R2); |
2754 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf0)); |
2755 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2756 |
rn = "SRSConf0";
|
2757 |
break;
|
2758 |
case 2: |
2759 |
check_insn(env, ctx, ISA_MIPS32R2); |
2760 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf1)); |
2761 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2762 |
rn = "SRSConf1";
|
2763 |
break;
|
2764 |
case 3: |
2765 |
check_insn(env, ctx, ISA_MIPS32R2); |
2766 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf2)); |
2767 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2768 |
rn = "SRSConf2";
|
2769 |
break;
|
2770 |
case 4: |
2771 |
check_insn(env, ctx, ISA_MIPS32R2); |
2772 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf3)); |
2773 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2774 |
rn = "SRSConf3";
|
2775 |
break;
|
2776 |
case 5: |
2777 |
check_insn(env, ctx, ISA_MIPS32R2); |
2778 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf4)); |
2779 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2780 |
rn = "SRSConf4";
|
2781 |
break;
|
2782 |
default:
|
2783 |
goto die;
|
2784 |
} |
2785 |
break;
|
2786 |
case 7: |
2787 |
switch (sel) {
|
2788 |
case 0: |
2789 |
check_insn(env, ctx, ISA_MIPS32R2); |
2790 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_HWREna)); |
2791 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2792 |
rn = "HWREna";
|
2793 |
break;
|
2794 |
default:
|
2795 |
goto die;
|
2796 |
} |
2797 |
break;
|
2798 |
case 8: |
2799 |
switch (sel) {
|
2800 |
case 0: |
2801 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_BadVAddr));
|
2802 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
2803 |
rn = "BadVAddr";
|
2804 |
break;
|
2805 |
default:
|
2806 |
goto die;
|
2807 |
} |
2808 |
break;
|
2809 |
case 9: |
2810 |
switch (sel) {
|
2811 |
case 0: |
2812 |
gen_op_mfc0_count(); |
2813 |
rn = "Count";
|
2814 |
break;
|
2815 |
/* 6,7 are implementation dependent */
|
2816 |
default:
|
2817 |
goto die;
|
2818 |
} |
2819 |
break;
|
2820 |
case 10: |
2821 |
switch (sel) {
|
2822 |
case 0: |
2823 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryHi));
|
2824 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
2825 |
rn = "EntryHi";
|
2826 |
break;
|
2827 |
default:
|
2828 |
goto die;
|
2829 |
} |
2830 |
break;
|
2831 |
case 11: |
2832 |
switch (sel) {
|
2833 |
case 0: |
2834 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Compare)); |
2835 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2836 |
rn = "Compare";
|
2837 |
break;
|
2838 |
/* 6,7 are implementation dependent */
|
2839 |
default:
|
2840 |
goto die;
|
2841 |
} |
2842 |
break;
|
2843 |
case 12: |
2844 |
switch (sel) {
|
2845 |
case 0: |
2846 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Status)); |
2847 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2848 |
rn = "Status";
|
2849 |
break;
|
2850 |
case 1: |
2851 |
check_insn(env, ctx, ISA_MIPS32R2); |
2852 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_IntCtl)); |
2853 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2854 |
rn = "IntCtl";
|
2855 |
break;
|
2856 |
case 2: |
2857 |
check_insn(env, ctx, ISA_MIPS32R2); |
2858 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
2859 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2860 |
rn = "SRSCtl";
|
2861 |
break;
|
2862 |
case 3: |
2863 |
check_insn(env, ctx, ISA_MIPS32R2); |
2864 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSMap)); |
2865 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2866 |
rn = "SRSMap";
|
2867 |
break;
|
2868 |
default:
|
2869 |
goto die;
|
2870 |
} |
2871 |
break;
|
2872 |
case 13: |
2873 |
switch (sel) {
|
2874 |
case 0: |
2875 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Cause)); |
2876 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2877 |
rn = "Cause";
|
2878 |
break;
|
2879 |
default:
|
2880 |
goto die;
|
2881 |
} |
2882 |
break;
|
2883 |
case 14: |
2884 |
switch (sel) {
|
2885 |
case 0: |
2886 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EPC));
|
2887 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
2888 |
rn = "EPC";
|
2889 |
break;
|
2890 |
default:
|
2891 |
goto die;
|
2892 |
} |
2893 |
break;
|
2894 |
case 15: |
2895 |
switch (sel) {
|
2896 |
case 0: |
2897 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PRid)); |
2898 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2899 |
rn = "PRid";
|
2900 |
break;
|
2901 |
case 1: |
2902 |
check_insn(env, ctx, ISA_MIPS32R2); |
2903 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_EBase)); |
2904 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2905 |
rn = "EBase";
|
2906 |
break;
|
2907 |
default:
|
2908 |
goto die;
|
2909 |
} |
2910 |
break;
|
2911 |
case 16: |
2912 |
switch (sel) {
|
2913 |
case 0: |
2914 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config0)); |
2915 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2916 |
rn = "Config";
|
2917 |
break;
|
2918 |
case 1: |
2919 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config1)); |
2920 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2921 |
rn = "Config1";
|
2922 |
break;
|
2923 |
case 2: |
2924 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config2)); |
2925 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2926 |
rn = "Config2";
|
2927 |
break;
|
2928 |
case 3: |
2929 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config3)); |
2930 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2931 |
rn = "Config3";
|
2932 |
break;
|
2933 |
/* 4,5 are reserved */
|
2934 |
/* 6,7 are implementation dependent */
|
2935 |
case 6: |
2936 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config6)); |
2937 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2938 |
rn = "Config6";
|
2939 |
break;
|
2940 |
case 7: |
2941 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config7)); |
2942 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2943 |
rn = "Config7";
|
2944 |
break;
|
2945 |
default:
|
2946 |
goto die;
|
2947 |
} |
2948 |
break;
|
2949 |
case 17: |
2950 |
switch (sel) {
|
2951 |
case 0: |
2952 |
gen_op_mfc0_lladdr(); |
2953 |
rn = "LLAddr";
|
2954 |
break;
|
2955 |
default:
|
2956 |
goto die;
|
2957 |
} |
2958 |
break;
|
2959 |
case 18: |
2960 |
switch (sel) {
|
2961 |
case 0 ... 7: |
2962 |
gen_op_mfc0_watchlo(sel); |
2963 |
rn = "WatchLo";
|
2964 |
break;
|
2965 |
default:
|
2966 |
goto die;
|
2967 |
} |
2968 |
break;
|
2969 |
case 19: |
2970 |
switch (sel) {
|
2971 |
case 0 ...7: |
2972 |
gen_op_mfc0_watchhi(sel); |
2973 |
rn = "WatchHi";
|
2974 |
break;
|
2975 |
default:
|
2976 |
goto die;
|
2977 |
} |
2978 |
break;
|
2979 |
case 20: |
2980 |
switch (sel) {
|
2981 |
case 0: |
2982 |
#if defined(TARGET_MIPS64)
|
2983 |
check_insn(env, ctx, ISA_MIPS3); |
2984 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_XContext));
|
2985 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
2986 |
rn = "XContext";
|
2987 |
break;
|
2988 |
#endif
|
2989 |
default:
|
2990 |
goto die;
|
2991 |
} |
2992 |
break;
|
2993 |
case 21: |
2994 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
2995 |
switch (sel) {
|
2996 |
case 0: |
2997 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Framemask)); |
2998 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
2999 |
rn = "Framemask";
|
3000 |
break;
|
3001 |
default:
|
3002 |
goto die;
|
3003 |
} |
3004 |
break;
|
3005 |
case 22: |
3006 |
/* ignored */
|
3007 |
rn = "'Diagnostic"; /* implementation dependent */ |
3008 |
break;
|
3009 |
case 23: |
3010 |
switch (sel) {
|
3011 |
case 0: |
3012 |
gen_op_mfc0_debug(); /* EJTAG support */
|
3013 |
rn = "Debug";
|
3014 |
break;
|
3015 |
case 1: |
3016 |
// gen_op_mfc0_tracecontrol(); /* PDtrace support */
|
3017 |
rn = "TraceControl";
|
3018 |
// break;
|
3019 |
case 2: |
3020 |
// gen_op_mfc0_tracecontrol2(); /* PDtrace support */
|
3021 |
rn = "TraceControl2";
|
3022 |
// break;
|
3023 |
case 3: |
3024 |
// gen_op_mfc0_usertracedata(); /* PDtrace support */
|
3025 |
rn = "UserTraceData";
|
3026 |
// break;
|
3027 |
case 4: |
3028 |
// gen_op_mfc0_debug(); /* PDtrace support */
|
3029 |
rn = "TraceBPC";
|
3030 |
// break;
|
3031 |
default:
|
3032 |
goto die;
|
3033 |
} |
3034 |
break;
|
3035 |
case 24: |
3036 |
switch (sel) {
|
3037 |
case 0: |
3038 |
/* EJTAG support */
|
3039 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_DEPC));
|
3040 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
3041 |
rn = "DEPC";
|
3042 |
break;
|
3043 |
default:
|
3044 |
goto die;
|
3045 |
} |
3046 |
break;
|
3047 |
case 25: |
3048 |
switch (sel) {
|
3049 |
case 0: |
3050 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Performance0)); |
3051 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3052 |
rn = "Performance0";
|
3053 |
break;
|
3054 |
case 1: |
3055 |
// gen_op_mfc0_performance1();
|
3056 |
rn = "Performance1";
|
3057 |
// break;
|
3058 |
case 2: |
3059 |
// gen_op_mfc0_performance2();
|
3060 |
rn = "Performance2";
|
3061 |
// break;
|
3062 |
case 3: |
3063 |
// gen_op_mfc0_performance3();
|
3064 |
rn = "Performance3";
|
3065 |
// break;
|
3066 |
case 4: |
3067 |
// gen_op_mfc0_performance4();
|
3068 |
rn = "Performance4";
|
3069 |
// break;
|
3070 |
case 5: |
3071 |
// gen_op_mfc0_performance5();
|
3072 |
rn = "Performance5";
|
3073 |
// break;
|
3074 |
case 6: |
3075 |
// gen_op_mfc0_performance6();
|
3076 |
rn = "Performance6";
|
3077 |
// break;
|
3078 |
case 7: |
3079 |
// gen_op_mfc0_performance7();
|
3080 |
rn = "Performance7";
|
3081 |
// break;
|
3082 |
default:
|
3083 |
goto die;
|
3084 |
} |
3085 |
break;
|
3086 |
case 26: |
3087 |
rn = "ECC";
|
3088 |
break;
|
3089 |
case 27: |
3090 |
switch (sel) {
|
3091 |
/* ignored */
|
3092 |
case 0 ... 3: |
3093 |
rn = "CacheErr";
|
3094 |
break;
|
3095 |
default:
|
3096 |
goto die;
|
3097 |
} |
3098 |
break;
|
3099 |
case 28: |
3100 |
switch (sel) {
|
3101 |
case 0: |
3102 |
case 2: |
3103 |
case 4: |
3104 |
case 6: |
3105 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagLo)); |
3106 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3107 |
rn = "TagLo";
|
3108 |
break;
|
3109 |
case 1: |
3110 |
case 3: |
3111 |
case 5: |
3112 |
case 7: |
3113 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataLo)); |
3114 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3115 |
rn = "DataLo";
|
3116 |
break;
|
3117 |
default:
|
3118 |
goto die;
|
3119 |
} |
3120 |
break;
|
3121 |
case 29: |
3122 |
switch (sel) {
|
3123 |
case 0: |
3124 |
case 2: |
3125 |
case 4: |
3126 |
case 6: |
3127 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagHi)); |
3128 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3129 |
rn = "TagHi";
|
3130 |
break;
|
3131 |
case 1: |
3132 |
case 3: |
3133 |
case 5: |
3134 |
case 7: |
3135 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataHi)); |
3136 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3137 |
rn = "DataHi";
|
3138 |
break;
|
3139 |
default:
|
3140 |
goto die;
|
3141 |
} |
3142 |
break;
|
3143 |
case 30: |
3144 |
switch (sel) {
|
3145 |
case 0: |
3146 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_ErrorEPC));
|
3147 |
tcg_gen_ext32s_tl(cpu_T[0], cpu_T[0]); |
3148 |
rn = "ErrorEPC";
|
3149 |
break;
|
3150 |
default:
|
3151 |
goto die;
|
3152 |
} |
3153 |
break;
|
3154 |
case 31: |
3155 |
switch (sel) {
|
3156 |
case 0: |
3157 |
/* EJTAG support */
|
3158 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DESAVE)); |
3159 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3160 |
rn = "DESAVE";
|
3161 |
break;
|
3162 |
default:
|
3163 |
goto die;
|
3164 |
} |
3165 |
break;
|
3166 |
default:
|
3167 |
goto die;
|
3168 |
} |
3169 |
#if defined MIPS_DEBUG_DISAS
|
3170 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3171 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
3172 |
rn, reg, sel); |
3173 |
} |
3174 |
#endif
|
3175 |
return;
|
3176 |
|
3177 |
die:
|
3178 |
#if defined MIPS_DEBUG_DISAS
|
3179 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3180 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
3181 |
rn, reg, sel); |
3182 |
} |
3183 |
#endif
|
3184 |
generate_exception(ctx, EXCP_RI); |
3185 |
} |
3186 |
|
3187 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3188 |
{ |
3189 |
const char *rn = "invalid"; |
3190 |
|
3191 |
if (sel != 0) |
3192 |
check_insn(env, ctx, ISA_MIPS32); |
3193 |
|
3194 |
switch (reg) {
|
3195 |
case 0: |
3196 |
switch (sel) {
|
3197 |
case 0: |
3198 |
gen_op_mtc0_index(); |
3199 |
rn = "Index";
|
3200 |
break;
|
3201 |
case 1: |
3202 |
check_insn(env, ctx, ASE_MT); |
3203 |
gen_op_mtc0_mvpcontrol(); |
3204 |
rn = "MVPControl";
|
3205 |
break;
|
3206 |
case 2: |
3207 |
check_insn(env, ctx, ASE_MT); |
3208 |
/* ignored */
|
3209 |
rn = "MVPConf0";
|
3210 |
break;
|
3211 |
case 3: |
3212 |
check_insn(env, ctx, ASE_MT); |
3213 |
/* ignored */
|
3214 |
rn = "MVPConf1";
|
3215 |
break;
|
3216 |
default:
|
3217 |
goto die;
|
3218 |
} |
3219 |
break;
|
3220 |
case 1: |
3221 |
switch (sel) {
|
3222 |
case 0: |
3223 |
/* ignored */
|
3224 |
rn = "Random";
|
3225 |
break;
|
3226 |
case 1: |
3227 |
check_insn(env, ctx, ASE_MT); |
3228 |
gen_op_mtc0_vpecontrol(); |
3229 |
rn = "VPEControl";
|
3230 |
break;
|
3231 |
case 2: |
3232 |
check_insn(env, ctx, ASE_MT); |
3233 |
gen_op_mtc0_vpeconf0(); |
3234 |
rn = "VPEConf0";
|
3235 |
break;
|
3236 |
case 3: |
3237 |
check_insn(env, ctx, ASE_MT); |
3238 |
gen_op_mtc0_vpeconf1(); |
3239 |
rn = "VPEConf1";
|
3240 |
break;
|
3241 |
case 4: |
3242 |
check_insn(env, ctx, ASE_MT); |
3243 |
gen_op_mtc0_yqmask(); |
3244 |
rn = "YQMask";
|
3245 |
break;
|
3246 |
case 5: |
3247 |
check_insn(env, ctx, ASE_MT); |
3248 |
gen_op_mtc0_vpeschedule(); |
3249 |
rn = "VPESchedule";
|
3250 |
break;
|
3251 |
case 6: |
3252 |
check_insn(env, ctx, ASE_MT); |
3253 |
gen_op_mtc0_vpeschefback(); |
3254 |
rn = "VPEScheFBack";
|
3255 |
break;
|
3256 |
case 7: |
3257 |
check_insn(env, ctx, ASE_MT); |
3258 |
gen_op_mtc0_vpeopt(); |
3259 |
rn = "VPEOpt";
|
3260 |
break;
|
3261 |
default:
|
3262 |
goto die;
|
3263 |
} |
3264 |
break;
|
3265 |
case 2: |
3266 |
switch (sel) {
|
3267 |
case 0: |
3268 |
gen_op_mtc0_entrylo0(); |
3269 |
rn = "EntryLo0";
|
3270 |
break;
|
3271 |
case 1: |
3272 |
check_insn(env, ctx, ASE_MT); |
3273 |
gen_op_mtc0_tcstatus(); |
3274 |
rn = "TCStatus";
|
3275 |
break;
|
3276 |
case 2: |
3277 |
check_insn(env, ctx, ASE_MT); |
3278 |
gen_op_mtc0_tcbind(); |
3279 |
rn = "TCBind";
|
3280 |
break;
|
3281 |
case 3: |
3282 |
check_insn(env, ctx, ASE_MT); |
3283 |
gen_op_mtc0_tcrestart(); |
3284 |
rn = "TCRestart";
|
3285 |
break;
|
3286 |
case 4: |
3287 |
check_insn(env, ctx, ASE_MT); |
3288 |
gen_op_mtc0_tchalt(); |
3289 |
rn = "TCHalt";
|
3290 |
break;
|
3291 |
case 5: |
3292 |
check_insn(env, ctx, ASE_MT); |
3293 |
gen_op_mtc0_tccontext(); |
3294 |
rn = "TCContext";
|
3295 |
break;
|
3296 |
case 6: |
3297 |
check_insn(env, ctx, ASE_MT); |
3298 |
gen_op_mtc0_tcschedule(); |
3299 |
rn = "TCSchedule";
|
3300 |
break;
|
3301 |
case 7: |
3302 |
check_insn(env, ctx, ASE_MT); |
3303 |
gen_op_mtc0_tcschefback(); |
3304 |
rn = "TCScheFBack";
|
3305 |
break;
|
3306 |
default:
|
3307 |
goto die;
|
3308 |
} |
3309 |
break;
|
3310 |
case 3: |
3311 |
switch (sel) {
|
3312 |
case 0: |
3313 |
gen_op_mtc0_entrylo1(); |
3314 |
rn = "EntryLo1";
|
3315 |
break;
|
3316 |
default:
|
3317 |
goto die;
|
3318 |
} |
3319 |
break;
|
3320 |
case 4: |
3321 |
switch (sel) {
|
3322 |
case 0: |
3323 |
gen_op_mtc0_context(); |
3324 |
rn = "Context";
|
3325 |
break;
|
3326 |
case 1: |
3327 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
3328 |
rn = "ContextConfig";
|
3329 |
// break;
|
3330 |
default:
|
3331 |
goto die;
|
3332 |
} |
3333 |
break;
|
3334 |
case 5: |
3335 |
switch (sel) {
|
3336 |
case 0: |
3337 |
gen_op_mtc0_pagemask(); |
3338 |
rn = "PageMask";
|
3339 |
break;
|
3340 |
case 1: |
3341 |
check_insn(env, ctx, ISA_MIPS32R2); |
3342 |
gen_op_mtc0_pagegrain(); |
3343 |
rn = "PageGrain";
|
3344 |
break;
|
3345 |
default:
|
3346 |
goto die;
|
3347 |
} |
3348 |
break;
|
3349 |
case 6: |
3350 |
switch (sel) {
|
3351 |
case 0: |
3352 |
gen_op_mtc0_wired(); |
3353 |
rn = "Wired";
|
3354 |
break;
|
3355 |
case 1: |
3356 |
check_insn(env, ctx, ISA_MIPS32R2); |
3357 |
gen_op_mtc0_srsconf0(); |
3358 |
rn = "SRSConf0";
|
3359 |
break;
|
3360 |
case 2: |
3361 |
check_insn(env, ctx, ISA_MIPS32R2); |
3362 |
gen_op_mtc0_srsconf1(); |
3363 |
rn = "SRSConf1";
|
3364 |
break;
|
3365 |
case 3: |
3366 |
check_insn(env, ctx, ISA_MIPS32R2); |
3367 |
gen_op_mtc0_srsconf2(); |
3368 |
rn = "SRSConf2";
|
3369 |
break;
|
3370 |
case 4: |
3371 |
check_insn(env, ctx, ISA_MIPS32R2); |
3372 |
gen_op_mtc0_srsconf3(); |
3373 |
rn = "SRSConf3";
|
3374 |
break;
|
3375 |
case 5: |
3376 |
check_insn(env, ctx, ISA_MIPS32R2); |
3377 |
gen_op_mtc0_srsconf4(); |
3378 |
rn = "SRSConf4";
|
3379 |
break;
|
3380 |
default:
|
3381 |
goto die;
|
3382 |
} |
3383 |
break;
|
3384 |
case 7: |
3385 |
switch (sel) {
|
3386 |
case 0: |
3387 |
check_insn(env, ctx, ISA_MIPS32R2); |
3388 |
gen_op_mtc0_hwrena(); |
3389 |
rn = "HWREna";
|
3390 |
break;
|
3391 |
default:
|
3392 |
goto die;
|
3393 |
} |
3394 |
break;
|
3395 |
case 8: |
3396 |
/* ignored */
|
3397 |
rn = "BadVAddr";
|
3398 |
break;
|
3399 |
case 9: |
3400 |
switch (sel) {
|
3401 |
case 0: |
3402 |
gen_op_mtc0_count(); |
3403 |
rn = "Count";
|
3404 |
break;
|
3405 |
/* 6,7 are implementation dependent */
|
3406 |
default:
|
3407 |
goto die;
|
3408 |
} |
3409 |
/* Stop translation as we may have switched the execution mode */
|
3410 |
ctx->bstate = BS_STOP; |
3411 |
break;
|
3412 |
case 10: |
3413 |
switch (sel) {
|
3414 |
case 0: |
3415 |
gen_op_mtc0_entryhi(); |
3416 |
rn = "EntryHi";
|
3417 |
break;
|
3418 |
default:
|
3419 |
goto die;
|
3420 |
} |
3421 |
break;
|
3422 |
case 11: |
3423 |
switch (sel) {
|
3424 |
case 0: |
3425 |
gen_op_mtc0_compare(); |
3426 |
rn = "Compare";
|
3427 |
break;
|
3428 |
/* 6,7 are implementation dependent */
|
3429 |
default:
|
3430 |
goto die;
|
3431 |
} |
3432 |
/* Stop translation as we may have switched the execution mode */
|
3433 |
ctx->bstate = BS_STOP; |
3434 |
break;
|
3435 |
case 12: |
3436 |
switch (sel) {
|
3437 |
case 0: |
3438 |
gen_op_mtc0_status(); |
3439 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3440 |
gen_save_pc(ctx->pc + 4);
|
3441 |
ctx->bstate = BS_EXCP; |
3442 |
rn = "Status";
|
3443 |
break;
|
3444 |
case 1: |
3445 |
check_insn(env, ctx, ISA_MIPS32R2); |
3446 |
gen_op_mtc0_intctl(); |
3447 |
/* Stop translation as we may have switched the execution mode */
|
3448 |
ctx->bstate = BS_STOP; |
3449 |
rn = "IntCtl";
|
3450 |
break;
|
3451 |
case 2: |
3452 |
check_insn(env, ctx, ISA_MIPS32R2); |
3453 |
gen_op_mtc0_srsctl(); |
3454 |
/* Stop translation as we may have switched the execution mode */
|
3455 |
ctx->bstate = BS_STOP; |
3456 |
rn = "SRSCtl";
|
3457 |
break;
|
3458 |
case 3: |
3459 |
check_insn(env, ctx, ISA_MIPS32R2); |
3460 |
gen_op_mtc0_srsmap(); |
3461 |
/* Stop translation as we may have switched the execution mode */
|
3462 |
ctx->bstate = BS_STOP; |
3463 |
rn = "SRSMap";
|
3464 |
break;
|
3465 |
default:
|
3466 |
goto die;
|
3467 |
} |
3468 |
break;
|
3469 |
case 13: |
3470 |
switch (sel) {
|
3471 |
case 0: |
3472 |
gen_op_mtc0_cause(); |
3473 |
rn = "Cause";
|
3474 |
break;
|
3475 |
default:
|
3476 |
goto die;
|
3477 |
} |
3478 |
/* Stop translation as we may have switched the execution mode */
|
3479 |
ctx->bstate = BS_STOP; |
3480 |
break;
|
3481 |
case 14: |
3482 |
switch (sel) {
|
3483 |
case 0: |
3484 |
gen_op_mtc0_epc(); |
3485 |
rn = "EPC";
|
3486 |
break;
|
3487 |
default:
|
3488 |
goto die;
|
3489 |
} |
3490 |
break;
|
3491 |
case 15: |
3492 |
switch (sel) {
|
3493 |
case 0: |
3494 |
/* ignored */
|
3495 |
rn = "PRid";
|
3496 |
break;
|
3497 |
case 1: |
3498 |
check_insn(env, ctx, ISA_MIPS32R2); |
3499 |
gen_op_mtc0_ebase(); |
3500 |
rn = "EBase";
|
3501 |
break;
|
3502 |
default:
|
3503 |
goto die;
|
3504 |
} |
3505 |
break;
|
3506 |
case 16: |
3507 |
switch (sel) {
|
3508 |
case 0: |
3509 |
gen_op_mtc0_config0(); |
3510 |
rn = "Config";
|
3511 |
/* Stop translation as we may have switched the execution mode */
|
3512 |
ctx->bstate = BS_STOP; |
3513 |
break;
|
3514 |
case 1: |
3515 |
/* ignored, read only */
|
3516 |
rn = "Config1";
|
3517 |
break;
|
3518 |
case 2: |
3519 |
gen_op_mtc0_config2(); |
3520 |
rn = "Config2";
|
3521 |
/* Stop translation as we may have switched the execution mode */
|
3522 |
ctx->bstate = BS_STOP; |
3523 |
break;
|
3524 |
case 3: |
3525 |
/* ignored, read only */
|
3526 |
rn = "Config3";
|
3527 |
break;
|
3528 |
/* 4,5 are reserved */
|
3529 |
/* 6,7 are implementation dependent */
|
3530 |
case 6: |
3531 |
/* ignored */
|
3532 |
rn = "Config6";
|
3533 |
break;
|
3534 |
case 7: |
3535 |
/* ignored */
|
3536 |
rn = "Config7";
|
3537 |
break;
|
3538 |
default:
|
3539 |
rn = "Invalid config selector";
|
3540 |
goto die;
|
3541 |
} |
3542 |
break;
|
3543 |
case 17: |
3544 |
switch (sel) {
|
3545 |
case 0: |
3546 |
/* ignored */
|
3547 |
rn = "LLAddr";
|
3548 |
break;
|
3549 |
default:
|
3550 |
goto die;
|
3551 |
} |
3552 |
break;
|
3553 |
case 18: |
3554 |
switch (sel) {
|
3555 |
case 0 ... 7: |
3556 |
gen_op_mtc0_watchlo(sel); |
3557 |
rn = "WatchLo";
|
3558 |
break;
|
3559 |
default:
|
3560 |
goto die;
|
3561 |
} |
3562 |
break;
|
3563 |
case 19: |
3564 |
switch (sel) {
|
3565 |
case 0 ... 7: |
3566 |
gen_op_mtc0_watchhi(sel); |
3567 |
rn = "WatchHi";
|
3568 |
break;
|
3569 |
default:
|
3570 |
goto die;
|
3571 |
} |
3572 |
break;
|
3573 |
case 20: |
3574 |
switch (sel) {
|
3575 |
case 0: |
3576 |
#if defined(TARGET_MIPS64)
|
3577 |
check_insn(env, ctx, ISA_MIPS3); |
3578 |
gen_op_mtc0_xcontext(); |
3579 |
rn = "XContext";
|
3580 |
break;
|
3581 |
#endif
|
3582 |
default:
|
3583 |
goto die;
|
3584 |
} |
3585 |
break;
|
3586 |
case 21: |
3587 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3588 |
switch (sel) {
|
3589 |
case 0: |
3590 |
gen_op_mtc0_framemask(); |
3591 |
rn = "Framemask";
|
3592 |
break;
|
3593 |
default:
|
3594 |
goto die;
|
3595 |
} |
3596 |
break;
|
3597 |
case 22: |
3598 |
/* ignored */
|
3599 |
rn = "Diagnostic"; /* implementation dependent */ |
3600 |
break;
|
3601 |
case 23: |
3602 |
switch (sel) {
|
3603 |
case 0: |
3604 |
gen_op_mtc0_debug(); /* EJTAG support */
|
3605 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3606 |
gen_save_pc(ctx->pc + 4);
|
3607 |
ctx->bstate = BS_EXCP; |
3608 |
rn = "Debug";
|
3609 |
break;
|
3610 |
case 1: |
3611 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
3612 |
rn = "TraceControl";
|
3613 |
/* Stop translation as we may have switched the execution mode */
|
3614 |
ctx->bstate = BS_STOP; |
3615 |
// break;
|
3616 |
case 2: |
3617 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
3618 |
rn = "TraceControl2";
|
3619 |
/* Stop translation as we may have switched the execution mode */
|
3620 |
ctx->bstate = BS_STOP; |
3621 |
// break;
|
3622 |
case 3: |
3623 |
/* Stop translation as we may have switched the execution mode */
|
3624 |
ctx->bstate = BS_STOP; |
3625 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
3626 |
rn = "UserTraceData";
|
3627 |
/* Stop translation as we may have switched the execution mode */
|
3628 |
ctx->bstate = BS_STOP; |
3629 |
// break;
|
3630 |
case 4: |
3631 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
3632 |
/* Stop translation as we may have switched the execution mode */
|
3633 |
ctx->bstate = BS_STOP; |
3634 |
rn = "TraceBPC";
|
3635 |
// break;
|
3636 |
default:
|
3637 |
goto die;
|
3638 |
} |
3639 |
break;
|
3640 |
case 24: |
3641 |
switch (sel) {
|
3642 |
case 0: |
3643 |
gen_op_mtc0_depc(); /* EJTAG support */
|
3644 |
rn = "DEPC";
|
3645 |
break;
|
3646 |
default:
|
3647 |
goto die;
|
3648 |
} |
3649 |
break;
|
3650 |
case 25: |
3651 |
switch (sel) {
|
3652 |
case 0: |
3653 |
gen_op_mtc0_performance0(); |
3654 |
rn = "Performance0";
|
3655 |
break;
|
3656 |
case 1: |
3657 |
// gen_op_mtc0_performance1();
|
3658 |
rn = "Performance1";
|
3659 |
// break;
|
3660 |
case 2: |
3661 |
// gen_op_mtc0_performance2();
|
3662 |
rn = "Performance2";
|
3663 |
// break;
|
3664 |
case 3: |
3665 |
// gen_op_mtc0_performance3();
|
3666 |
rn = "Performance3";
|
3667 |
// break;
|
3668 |
case 4: |
3669 |
// gen_op_mtc0_performance4();
|
3670 |
rn = "Performance4";
|
3671 |
// break;
|
3672 |
case 5: |
3673 |
// gen_op_mtc0_performance5();
|
3674 |
rn = "Performance5";
|
3675 |
// break;
|
3676 |
case 6: |
3677 |
// gen_op_mtc0_performance6();
|
3678 |
rn = "Performance6";
|
3679 |
// break;
|
3680 |
case 7: |
3681 |
// gen_op_mtc0_performance7();
|
3682 |
rn = "Performance7";
|
3683 |
// break;
|
3684 |
default:
|
3685 |
goto die;
|
3686 |
} |
3687 |
break;
|
3688 |
case 26: |
3689 |
/* ignored */
|
3690 |
rn = "ECC";
|
3691 |
break;
|
3692 |
case 27: |
3693 |
switch (sel) {
|
3694 |
case 0 ... 3: |
3695 |
/* ignored */
|
3696 |
rn = "CacheErr";
|
3697 |
break;
|
3698 |
default:
|
3699 |
goto die;
|
3700 |
} |
3701 |
break;
|
3702 |
case 28: |
3703 |
switch (sel) {
|
3704 |
case 0: |
3705 |
case 2: |
3706 |
case 4: |
3707 |
case 6: |
3708 |
gen_op_mtc0_taglo(); |
3709 |
rn = "TagLo";
|
3710 |
break;
|
3711 |
case 1: |
3712 |
case 3: |
3713 |
case 5: |
3714 |
case 7: |
3715 |
gen_op_mtc0_datalo(); |
3716 |
rn = "DataLo";
|
3717 |
break;
|
3718 |
default:
|
3719 |
goto die;
|
3720 |
} |
3721 |
break;
|
3722 |
case 29: |
3723 |
switch (sel) {
|
3724 |
case 0: |
3725 |
case 2: |
3726 |
case 4: |
3727 |
case 6: |
3728 |
gen_op_mtc0_taghi(); |
3729 |
rn = "TagHi";
|
3730 |
break;
|
3731 |
case 1: |
3732 |
case 3: |
3733 |
case 5: |
3734 |
case 7: |
3735 |
gen_op_mtc0_datahi(); |
3736 |
rn = "DataHi";
|
3737 |
break;
|
3738 |
default:
|
3739 |
rn = "invalid sel";
|
3740 |
goto die;
|
3741 |
} |
3742 |
break;
|
3743 |
case 30: |
3744 |
switch (sel) {
|
3745 |
case 0: |
3746 |
gen_op_mtc0_errorepc(); |
3747 |
rn = "ErrorEPC";
|
3748 |
break;
|
3749 |
default:
|
3750 |
goto die;
|
3751 |
} |
3752 |
break;
|
3753 |
case 31: |
3754 |
switch (sel) {
|
3755 |
case 0: |
3756 |
gen_op_mtc0_desave(); /* EJTAG support */
|
3757 |
rn = "DESAVE";
|
3758 |
break;
|
3759 |
default:
|
3760 |
goto die;
|
3761 |
} |
3762 |
/* Stop translation as we may have switched the execution mode */
|
3763 |
ctx->bstate = BS_STOP; |
3764 |
break;
|
3765 |
default:
|
3766 |
goto die;
|
3767 |
} |
3768 |
#if defined MIPS_DEBUG_DISAS
|
3769 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3770 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3771 |
rn, reg, sel); |
3772 |
} |
3773 |
#endif
|
3774 |
return;
|
3775 |
|
3776 |
die:
|
3777 |
#if defined MIPS_DEBUG_DISAS
|
3778 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3779 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3780 |
rn, reg, sel); |
3781 |
} |
3782 |
#endif
|
3783 |
generate_exception(ctx, EXCP_RI); |
3784 |
} |
3785 |
|
3786 |
#if defined(TARGET_MIPS64)
|
3787 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3788 |
{ |
3789 |
const char *rn = "invalid"; |
3790 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_I32); |
3791 |
|
3792 |
if (sel != 0) |
3793 |
check_insn(env, ctx, ISA_MIPS64); |
3794 |
|
3795 |
switch (reg) {
|
3796 |
case 0: |
3797 |
switch (sel) {
|
3798 |
case 0: |
3799 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Index)); |
3800 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3801 |
rn = "Index";
|
3802 |
break;
|
3803 |
case 1: |
3804 |
check_insn(env, ctx, ASE_MT); |
3805 |
gen_op_mfc0_mvpcontrol(); |
3806 |
rn = "MVPControl";
|
3807 |
break;
|
3808 |
case 2: |
3809 |
check_insn(env, ctx, ASE_MT); |
3810 |
gen_op_mfc0_mvpconf0(); |
3811 |
rn = "MVPConf0";
|
3812 |
break;
|
3813 |
case 3: |
3814 |
check_insn(env, ctx, ASE_MT); |
3815 |
gen_op_mfc0_mvpconf1(); |
3816 |
rn = "MVPConf1";
|
3817 |
break;
|
3818 |
default:
|
3819 |
goto die;
|
3820 |
} |
3821 |
break;
|
3822 |
case 1: |
3823 |
switch (sel) {
|
3824 |
case 0: |
3825 |
gen_op_mfc0_random(); |
3826 |
rn = "Random";
|
3827 |
break;
|
3828 |
case 1: |
3829 |
check_insn(env, ctx, ASE_MT); |
3830 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEControl)); |
3831 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3832 |
rn = "VPEControl";
|
3833 |
break;
|
3834 |
case 2: |
3835 |
check_insn(env, ctx, ASE_MT); |
3836 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf0)); |
3837 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3838 |
rn = "VPEConf0";
|
3839 |
break;
|
3840 |
case 3: |
3841 |
check_insn(env, ctx, ASE_MT); |
3842 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEConf1)); |
3843 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3844 |
rn = "VPEConf1";
|
3845 |
break;
|
3846 |
case 4: |
3847 |
check_insn(env, ctx, ASE_MT); |
3848 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_YQMask));
|
3849 |
rn = "YQMask";
|
3850 |
break;
|
3851 |
case 5: |
3852 |
check_insn(env, ctx, ASE_MT); |
3853 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_VPESchedule));
|
3854 |
rn = "VPESchedule";
|
3855 |
break;
|
3856 |
case 6: |
3857 |
check_insn(env, ctx, ASE_MT); |
3858 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
|
3859 |
rn = "VPEScheFBack";
|
3860 |
break;
|
3861 |
case 7: |
3862 |
check_insn(env, ctx, ASE_MT); |
3863 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_VPEOpt)); |
3864 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3865 |
rn = "VPEOpt";
|
3866 |
break;
|
3867 |
default:
|
3868 |
goto die;
|
3869 |
} |
3870 |
break;
|
3871 |
case 2: |
3872 |
switch (sel) {
|
3873 |
case 0: |
3874 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo0));
|
3875 |
rn = "EntryLo0";
|
3876 |
break;
|
3877 |
case 1: |
3878 |
check_insn(env, ctx, ASE_MT); |
3879 |
gen_op_mfc0_tcstatus(); |
3880 |
rn = "TCStatus";
|
3881 |
break;
|
3882 |
case 2: |
3883 |
check_insn(env, ctx, ASE_MT); |
3884 |
gen_op_mfc0_tcbind(); |
3885 |
rn = "TCBind";
|
3886 |
break;
|
3887 |
case 3: |
3888 |
check_insn(env, ctx, ASE_MT); |
3889 |
gen_op_dmfc0_tcrestart(); |
3890 |
rn = "TCRestart";
|
3891 |
break;
|
3892 |
case 4: |
3893 |
check_insn(env, ctx, ASE_MT); |
3894 |
gen_op_dmfc0_tchalt(); |
3895 |
rn = "TCHalt";
|
3896 |
break;
|
3897 |
case 5: |
3898 |
check_insn(env, ctx, ASE_MT); |
3899 |
gen_op_dmfc0_tccontext(); |
3900 |
rn = "TCContext";
|
3901 |
break;
|
3902 |
case 6: |
3903 |
check_insn(env, ctx, ASE_MT); |
3904 |
gen_op_dmfc0_tcschedule(); |
3905 |
rn = "TCSchedule";
|
3906 |
break;
|
3907 |
case 7: |
3908 |
check_insn(env, ctx, ASE_MT); |
3909 |
gen_op_dmfc0_tcschefback(); |
3910 |
rn = "TCScheFBack";
|
3911 |
break;
|
3912 |
default:
|
3913 |
goto die;
|
3914 |
} |
3915 |
break;
|
3916 |
case 3: |
3917 |
switch (sel) {
|
3918 |
case 0: |
3919 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryLo1));
|
3920 |
rn = "EntryLo1";
|
3921 |
break;
|
3922 |
default:
|
3923 |
goto die;
|
3924 |
} |
3925 |
break;
|
3926 |
case 4: |
3927 |
switch (sel) {
|
3928 |
case 0: |
3929 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_Context));
|
3930 |
rn = "Context";
|
3931 |
break;
|
3932 |
case 1: |
3933 |
// gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
|
3934 |
rn = "ContextConfig";
|
3935 |
// break;
|
3936 |
default:
|
3937 |
goto die;
|
3938 |
} |
3939 |
break;
|
3940 |
case 5: |
3941 |
switch (sel) {
|
3942 |
case 0: |
3943 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageMask)); |
3944 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3945 |
rn = "PageMask";
|
3946 |
break;
|
3947 |
case 1: |
3948 |
check_insn(env, ctx, ISA_MIPS32R2); |
3949 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PageGrain)); |
3950 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3951 |
rn = "PageGrain";
|
3952 |
break;
|
3953 |
default:
|
3954 |
goto die;
|
3955 |
} |
3956 |
break;
|
3957 |
case 6: |
3958 |
switch (sel) {
|
3959 |
case 0: |
3960 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Wired)); |
3961 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3962 |
rn = "Wired";
|
3963 |
break;
|
3964 |
case 1: |
3965 |
check_insn(env, ctx, ISA_MIPS32R2); |
3966 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf0)); |
3967 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3968 |
rn = "SRSConf0";
|
3969 |
break;
|
3970 |
case 2: |
3971 |
check_insn(env, ctx, ISA_MIPS32R2); |
3972 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf1)); |
3973 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3974 |
rn = "SRSConf1";
|
3975 |
break;
|
3976 |
case 3: |
3977 |
check_insn(env, ctx, ISA_MIPS32R2); |
3978 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf2)); |
3979 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3980 |
rn = "SRSConf2";
|
3981 |
break;
|
3982 |
case 4: |
3983 |
check_insn(env, ctx, ISA_MIPS32R2); |
3984 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf3)); |
3985 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3986 |
rn = "SRSConf3";
|
3987 |
break;
|
3988 |
case 5: |
3989 |
check_insn(env, ctx, ISA_MIPS32R2); |
3990 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSConf4)); |
3991 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
3992 |
rn = "SRSConf4";
|
3993 |
break;
|
3994 |
default:
|
3995 |
goto die;
|
3996 |
} |
3997 |
break;
|
3998 |
case 7: |
3999 |
switch (sel) {
|
4000 |
case 0: |
4001 |
check_insn(env, ctx, ISA_MIPS32R2); |
4002 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_HWREna)); |
4003 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4004 |
rn = "HWREna";
|
4005 |
break;
|
4006 |
default:
|
4007 |
goto die;
|
4008 |
} |
4009 |
break;
|
4010 |
case 8: |
4011 |
switch (sel) {
|
4012 |
case 0: |
4013 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_BadVAddr));
|
4014 |
rn = "BadVAddr";
|
4015 |
break;
|
4016 |
default:
|
4017 |
goto die;
|
4018 |
} |
4019 |
break;
|
4020 |
case 9: |
4021 |
switch (sel) {
|
4022 |
case 0: |
4023 |
gen_op_mfc0_count(); |
4024 |
rn = "Count";
|
4025 |
break;
|
4026 |
/* 6,7 are implementation dependent */
|
4027 |
default:
|
4028 |
goto die;
|
4029 |
} |
4030 |
break;
|
4031 |
case 10: |
4032 |
switch (sel) {
|
4033 |
case 0: |
4034 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EntryHi));
|
4035 |
rn = "EntryHi";
|
4036 |
break;
|
4037 |
default:
|
4038 |
goto die;
|
4039 |
} |
4040 |
break;
|
4041 |
case 11: |
4042 |
switch (sel) {
|
4043 |
case 0: |
4044 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Compare)); |
4045 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4046 |
rn = "Compare";
|
4047 |
break;
|
4048 |
/* 6,7 are implementation dependent */
|
4049 |
default:
|
4050 |
goto die;
|
4051 |
} |
4052 |
break;
|
4053 |
case 12: |
4054 |
switch (sel) {
|
4055 |
case 0: |
4056 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Status)); |
4057 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4058 |
rn = "Status";
|
4059 |
break;
|
4060 |
case 1: |
4061 |
check_insn(env, ctx, ISA_MIPS32R2); |
4062 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_IntCtl)); |
4063 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4064 |
rn = "IntCtl";
|
4065 |
break;
|
4066 |
case 2: |
4067 |
check_insn(env, ctx, ISA_MIPS32R2); |
4068 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSCtl)); |
4069 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4070 |
rn = "SRSCtl";
|
4071 |
break;
|
4072 |
case 3: |
4073 |
check_insn(env, ctx, ISA_MIPS32R2); |
4074 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_SRSMap)); |
4075 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4076 |
rn = "SRSMap";
|
4077 |
break;
|
4078 |
default:
|
4079 |
goto die;
|
4080 |
} |
4081 |
break;
|
4082 |
case 13: |
4083 |
switch (sel) {
|
4084 |
case 0: |
4085 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Cause)); |
4086 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4087 |
rn = "Cause";
|
4088 |
break;
|
4089 |
default:
|
4090 |
goto die;
|
4091 |
} |
4092 |
break;
|
4093 |
case 14: |
4094 |
switch (sel) {
|
4095 |
case 0: |
4096 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_EPC));
|
4097 |
rn = "EPC";
|
4098 |
break;
|
4099 |
default:
|
4100 |
goto die;
|
4101 |
} |
4102 |
break;
|
4103 |
case 15: |
4104 |
switch (sel) {
|
4105 |
case 0: |
4106 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_PRid)); |
4107 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4108 |
rn = "PRid";
|
4109 |
break;
|
4110 |
case 1: |
4111 |
check_insn(env, ctx, ISA_MIPS32R2); |
4112 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_EBase)); |
4113 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4114 |
rn = "EBase";
|
4115 |
break;
|
4116 |
default:
|
4117 |
goto die;
|
4118 |
} |
4119 |
break;
|
4120 |
case 16: |
4121 |
switch (sel) {
|
4122 |
case 0: |
4123 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config0)); |
4124 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4125 |
rn = "Config";
|
4126 |
break;
|
4127 |
case 1: |
4128 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config1)); |
4129 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4130 |
rn = "Config1";
|
4131 |
break;
|
4132 |
case 2: |
4133 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config2)); |
4134 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4135 |
rn = "Config2";
|
4136 |
break;
|
4137 |
case 3: |
4138 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config3)); |
4139 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4140 |
rn = "Config3";
|
4141 |
break;
|
4142 |
/* 6,7 are implementation dependent */
|
4143 |
case 6: |
4144 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config6)); |
4145 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4146 |
rn = "Config6";
|
4147 |
break;
|
4148 |
case 7: |
4149 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Config7)); |
4150 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4151 |
rn = "Config7";
|
4152 |
break;
|
4153 |
default:
|
4154 |
goto die;
|
4155 |
} |
4156 |
break;
|
4157 |
case 17: |
4158 |
switch (sel) {
|
4159 |
case 0: |
4160 |
gen_op_dmfc0_lladdr(); |
4161 |
rn = "LLAddr";
|
4162 |
break;
|
4163 |
default:
|
4164 |
goto die;
|
4165 |
} |
4166 |
break;
|
4167 |
case 18: |
4168 |
switch (sel) {
|
4169 |
case 0 ... 7: |
4170 |
gen_op_dmfc0_watchlo(sel); |
4171 |
rn = "WatchLo";
|
4172 |
break;
|
4173 |
default:
|
4174 |
goto die;
|
4175 |
} |
4176 |
break;
|
4177 |
case 19: |
4178 |
switch (sel) {
|
4179 |
case 0 ... 7: |
4180 |
gen_op_mfc0_watchhi(sel); |
4181 |
rn = "WatchHi";
|
4182 |
break;
|
4183 |
default:
|
4184 |
goto die;
|
4185 |
} |
4186 |
break;
|
4187 |
case 20: |
4188 |
switch (sel) {
|
4189 |
case 0: |
4190 |
check_insn(env, ctx, ISA_MIPS3); |
4191 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_XContext));
|
4192 |
rn = "XContext";
|
4193 |
break;
|
4194 |
default:
|
4195 |
goto die;
|
4196 |
} |
4197 |
break;
|
4198 |
case 21: |
4199 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4200 |
switch (sel) {
|
4201 |
case 0: |
4202 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Framemask)); |
4203 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4204 |
rn = "Framemask";
|
4205 |
break;
|
4206 |
default:
|
4207 |
goto die;
|
4208 |
} |
4209 |
break;
|
4210 |
case 22: |
4211 |
/* ignored */
|
4212 |
rn = "'Diagnostic"; /* implementation dependent */ |
4213 |
break;
|
4214 |
case 23: |
4215 |
switch (sel) {
|
4216 |
case 0: |
4217 |
gen_op_mfc0_debug(); /* EJTAG support */
|
4218 |
rn = "Debug";
|
4219 |
break;
|
4220 |
case 1: |
4221 |
// gen_op_dmfc0_tracecontrol(); /* PDtrace support */
|
4222 |
rn = "TraceControl";
|
4223 |
// break;
|
4224 |
case 2: |
4225 |
// gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
|
4226 |
rn = "TraceControl2";
|
4227 |
// break;
|
4228 |
case 3: |
4229 |
// gen_op_dmfc0_usertracedata(); /* PDtrace support */
|
4230 |
rn = "UserTraceData";
|
4231 |
// break;
|
4232 |
case 4: |
4233 |
// gen_op_dmfc0_debug(); /* PDtrace support */
|
4234 |
rn = "TraceBPC";
|
4235 |
// break;
|
4236 |
default:
|
4237 |
goto die;
|
4238 |
} |
4239 |
break;
|
4240 |
case 24: |
4241 |
switch (sel) {
|
4242 |
case 0: |
4243 |
/* EJTAG support */
|
4244 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_DEPC));
|
4245 |
rn = "DEPC";
|
4246 |
break;
|
4247 |
default:
|
4248 |
goto die;
|
4249 |
} |
4250 |
break;
|
4251 |
case 25: |
4252 |
switch (sel) {
|
4253 |
case 0: |
4254 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_Performance0)); |
4255 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4256 |
rn = "Performance0";
|
4257 |
break;
|
4258 |
case 1: |
4259 |
// gen_op_dmfc0_performance1();
|
4260 |
rn = "Performance1";
|
4261 |
// break;
|
4262 |
case 2: |
4263 |
// gen_op_dmfc0_performance2();
|
4264 |
rn = "Performance2";
|
4265 |
// break;
|
4266 |
case 3: |
4267 |
// gen_op_dmfc0_performance3();
|
4268 |
rn = "Performance3";
|
4269 |
// break;
|
4270 |
case 4: |
4271 |
// gen_op_dmfc0_performance4();
|
4272 |
rn = "Performance4";
|
4273 |
// break;
|
4274 |
case 5: |
4275 |
// gen_op_dmfc0_performance5();
|
4276 |
rn = "Performance5";
|
4277 |
// break;
|
4278 |
case 6: |
4279 |
// gen_op_dmfc0_performance6();
|
4280 |
rn = "Performance6";
|
4281 |
// break;
|
4282 |
case 7: |
4283 |
// gen_op_dmfc0_performance7();
|
4284 |
rn = "Performance7";
|
4285 |
// break;
|
4286 |
default:
|
4287 |
goto die;
|
4288 |
} |
4289 |
break;
|
4290 |
case 26: |
4291 |
rn = "ECC";
|
4292 |
break;
|
4293 |
case 27: |
4294 |
switch (sel) {
|
4295 |
/* ignored */
|
4296 |
case 0 ... 3: |
4297 |
rn = "CacheErr";
|
4298 |
break;
|
4299 |
default:
|
4300 |
goto die;
|
4301 |
} |
4302 |
break;
|
4303 |
case 28: |
4304 |
switch (sel) {
|
4305 |
case 0: |
4306 |
case 2: |
4307 |
case 4: |
4308 |
case 6: |
4309 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagLo)); |
4310 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4311 |
rn = "TagLo";
|
4312 |
break;
|
4313 |
case 1: |
4314 |
case 3: |
4315 |
case 5: |
4316 |
case 7: |
4317 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataLo)); |
4318 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4319 |
rn = "DataLo";
|
4320 |
break;
|
4321 |
default:
|
4322 |
goto die;
|
4323 |
} |
4324 |
break;
|
4325 |
case 29: |
4326 |
switch (sel) {
|
4327 |
case 0: |
4328 |
case 2: |
4329 |
case 4: |
4330 |
case 6: |
4331 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_TagHi)); |
4332 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4333 |
rn = "TagHi";
|
4334 |
break;
|
4335 |
case 1: |
4336 |
case 3: |
4337 |
case 5: |
4338 |
case 7: |
4339 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DataHi)); |
4340 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4341 |
rn = "DataHi";
|
4342 |
break;
|
4343 |
default:
|
4344 |
goto die;
|
4345 |
} |
4346 |
break;
|
4347 |
case 30: |
4348 |
switch (sel) {
|
4349 |
case 0: |
4350 |
tcg_gen_ld_tl(cpu_T[0], cpu_env, offsetof(CPUState, CP0_ErrorEPC));
|
4351 |
rn = "ErrorEPC";
|
4352 |
break;
|
4353 |
default:
|
4354 |
goto die;
|
4355 |
} |
4356 |
break;
|
4357 |
case 31: |
4358 |
switch (sel) {
|
4359 |
case 0: |
4360 |
/* EJTAG support */
|
4361 |
tcg_gen_ld_i32(r_tmp, cpu_env, offsetof(CPUState, CP0_DESAVE)); |
4362 |
tcg_gen_ext_i32_tl(cpu_T[0], r_tmp);
|
4363 |
rn = "DESAVE";
|
4364 |
break;
|
4365 |
default:
|
4366 |
goto die;
|
4367 |
} |
4368 |
break;
|
4369 |
default:
|
4370 |
goto die;
|
4371 |
} |
4372 |
#if defined MIPS_DEBUG_DISAS
|
4373 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4374 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
4375 |
rn, reg, sel); |
4376 |
} |
4377 |
#endif
|
4378 |
return;
|
4379 |
|
4380 |
die:
|
4381 |
#if defined MIPS_DEBUG_DISAS
|
4382 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4383 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
4384 |
rn, reg, sel); |
4385 |
} |
4386 |
#endif
|
4387 |
generate_exception(ctx, EXCP_RI); |
4388 |
} |
4389 |
|
4390 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
4391 |
{ |
4392 |
const char *rn = "invalid"; |
4393 |
|
4394 |
if (sel != 0) |
4395 |
check_insn(env, ctx, ISA_MIPS64); |
4396 |
|
4397 |
switch (reg) {
|
4398 |
case 0: |
4399 |
switch (sel) {
|
4400 |
case 0: |
4401 |
gen_op_mtc0_index(); |
4402 |
rn = "Index";
|
4403 |
break;
|
4404 |
case 1: |
4405 |
check_insn(env, ctx, ASE_MT); |
4406 |
gen_op_mtc0_mvpcontrol(); |
4407 |
rn = "MVPControl";
|
4408 |
break;
|
4409 |
case 2: |
4410 |
check_insn(env, ctx, ASE_MT); |
4411 |
/* ignored */
|
4412 |
rn = "MVPConf0";
|
4413 |
break;
|
4414 |
case 3: |
4415 |
check_insn(env, ctx, ASE_MT); |
4416 |
/* ignored */
|
4417 |
rn = "MVPConf1";
|
4418 |
break;
|
4419 |
default:
|
4420 |
goto die;
|
4421 |
} |
4422 |
break;
|
4423 |
case 1: |
4424 |
switch (sel) {
|
4425 |
case 0: |
4426 |
/* ignored */
|
4427 |
rn = "Random";
|
4428 |
break;
|
4429 |
case 1: |
4430 |
check_insn(env, ctx, ASE_MT); |
4431 |
gen_op_mtc0_vpecontrol(); |
4432 |
rn = "VPEControl";
|
4433 |
break;
|
4434 |
case 2: |
4435 |
check_insn(env, ctx, ASE_MT); |
4436 |
gen_op_mtc0_vpeconf0(); |
4437 |
rn = "VPEConf0";
|
4438 |
break;
|
4439 |
case 3: |
4440 |
check_insn(env, ctx, ASE_MT); |
4441 |
gen_op_mtc0_vpeconf1(); |
4442 |
rn = "VPEConf1";
|
4443 |
break;
|
4444 |
case 4: |
4445 |
check_insn(env, ctx, ASE_MT); |
4446 |
gen_op_mtc0_yqmask(); |
4447 |
rn = "YQMask";
|
4448 |
break;
|
4449 |
case 5: |
4450 |
check_insn(env, ctx, ASE_MT); |
4451 |
gen_op_mtc0_vpeschedule(); |
4452 |
rn = "VPESchedule";
|
4453 |
break;
|
4454 |
case 6: |
4455 |
check_insn(env, ctx, ASE_MT); |
4456 |
gen_op_mtc0_vpeschefback(); |
4457 |
rn = "VPEScheFBack";
|
4458 |
break;
|
4459 |
case 7: |
4460 |
check_insn(env, ctx, ASE_MT); |
4461 |
gen_op_mtc0_vpeopt(); |
4462 |
rn = "VPEOpt";
|
4463 |
break;
|
4464 |
default:
|
4465 |
goto die;
|
4466 |
} |
4467 |
break;
|
4468 |
case 2: |
4469 |
switch (sel) {
|
4470 |
case 0: |
4471 |
gen_op_mtc0_entrylo0(); |
4472 |
rn = "EntryLo0";
|
4473 |
break;
|
4474 |
case 1: |
4475 |
check_insn(env, ctx, ASE_MT); |
4476 |
gen_op_mtc0_tcstatus(); |
4477 |
rn = "TCStatus";
|
4478 |
break;
|
4479 |
case 2: |
4480 |
check_insn(env, ctx, ASE_MT); |
4481 |
gen_op_mtc0_tcbind(); |
4482 |
rn = "TCBind";
|
4483 |
break;
|
4484 |
case 3: |
4485 |
check_insn(env, ctx, ASE_MT); |
4486 |
gen_op_mtc0_tcrestart(); |
4487 |
rn = "TCRestart";
|
4488 |
break;
|
4489 |
case 4: |
4490 |
check_insn(env, ctx, ASE_MT); |
4491 |
gen_op_mtc0_tchalt(); |
4492 |
rn = "TCHalt";
|
4493 |
break;
|
4494 |
case 5: |
4495 |
check_insn(env, ctx, ASE_MT); |
4496 |
gen_op_mtc0_tccontext(); |
4497 |
rn = "TCContext";
|
4498 |
break;
|
4499 |
case 6: |
4500 |
check_insn(env, ctx, ASE_MT); |
4501 |
gen_op_mtc0_tcschedule(); |
4502 |
rn = "TCSchedule";
|
4503 |
break;
|
4504 |
case 7: |
4505 |
check_insn(env, ctx, ASE_MT); |
4506 |
gen_op_mtc0_tcschefback(); |
4507 |
rn = "TCScheFBack";
|
4508 |
break;
|
4509 |
default:
|
4510 |
goto die;
|
4511 |
} |
4512 |
break;
|
4513 |
case 3: |
4514 |
switch (sel) {
|
4515 |
case 0: |
4516 |
gen_op_mtc0_entrylo1(); |
4517 |
rn = "EntryLo1";
|
4518 |
break;
|
4519 |
default:
|
4520 |
goto die;
|
4521 |
} |
4522 |
break;
|
4523 |
case 4: |
4524 |
switch (sel) {
|
4525 |
case 0: |
4526 |
gen_op_mtc0_context(); |
4527 |
rn = "Context";
|
4528 |
break;
|
4529 |
case 1: |
4530 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
4531 |
rn = "ContextConfig";
|
4532 |
// break;
|
4533 |
default:
|
4534 |
goto die;
|
4535 |
} |
4536 |
break;
|
4537 |
case 5: |
4538 |
switch (sel) {
|
4539 |
case 0: |
4540 |
gen_op_mtc0_pagemask(); |
4541 |
rn = "PageMask";
|
4542 |
break;
|
4543 |
case 1: |
4544 |
check_insn(env, ctx, ISA_MIPS32R2); |
4545 |
gen_op_mtc0_pagegrain(); |
4546 |
rn = "PageGrain";
|
4547 |
break;
|
4548 |
default:
|
4549 |
goto die;
|
4550 |
} |
4551 |
break;
|
4552 |
case 6: |
4553 |
switch (sel) {
|
4554 |
case 0: |
4555 |
gen_op_mtc0_wired(); |
4556 |
rn = "Wired";
|
4557 |
break;
|
4558 |
case 1: |
4559 |
check_insn(env, ctx, ISA_MIPS32R2); |
4560 |
gen_op_mtc0_srsconf0(); |
4561 |
rn = "SRSConf0";
|
4562 |
break;
|
4563 |
case 2: |
4564 |
check_insn(env, ctx, ISA_MIPS32R2); |
4565 |
gen_op_mtc0_srsconf1(); |
4566 |
rn = "SRSConf1";
|
4567 |
break;
|
4568 |
case 3: |
4569 |
check_insn(env, ctx, ISA_MIPS32R2); |
4570 |
gen_op_mtc0_srsconf2(); |
4571 |
rn = "SRSConf2";
|
4572 |
break;
|
4573 |
case 4: |
4574 |
check_insn(env, ctx, ISA_MIPS32R2); |
4575 |
gen_op_mtc0_srsconf3(); |
4576 |
rn = "SRSConf3";
|
4577 |
break;
|
4578 |
case 5: |
4579 |
check_insn(env, ctx, ISA_MIPS32R2); |
4580 |
gen_op_mtc0_srsconf4(); |
4581 |
rn = "SRSConf4";
|
4582 |
break;
|
4583 |
default:
|
4584 |
goto die;
|
4585 |
} |
4586 |
break;
|
4587 |
case 7: |
4588 |
switch (sel) {
|
4589 |
case 0: |
4590 |
check_insn(env, ctx, ISA_MIPS32R2); |
4591 |
gen_op_mtc0_hwrena(); |
4592 |
rn = "HWREna";
|
4593 |
break;
|
4594 |
default:
|
4595 |
goto die;
|
4596 |
} |
4597 |
break;
|
4598 |
case 8: |
4599 |
/* ignored */
|
4600 |
rn = "BadVAddr";
|
4601 |
break;
|
4602 |
case 9: |
4603 |
switch (sel) {
|
4604 |
case 0: |
4605 |
gen_op_mtc0_count(); |
4606 |
rn = "Count";
|
4607 |
break;
|
4608 |
/* 6,7 are implementation dependent */
|
4609 |
default:
|
4610 |
goto die;
|
4611 |
} |
4612 |
/* Stop translation as we may have switched the execution mode */
|
4613 |
ctx->bstate = BS_STOP; |
4614 |
break;
|
4615 |
case 10: |
4616 |
switch (sel) {
|
4617 |
case 0: |
4618 |
gen_op_mtc0_entryhi(); |
4619 |
rn = "EntryHi";
|
4620 |
break;
|
4621 |
default:
|
4622 |
goto die;
|
4623 |
} |
4624 |
break;
|
4625 |
case 11: |
4626 |
switch (sel) {
|
4627 |
case 0: |
4628 |
gen_op_mtc0_compare(); |
4629 |
rn = "Compare";
|
4630 |
break;
|
4631 |
/* 6,7 are implementation dependent */
|
4632 |
default:
|
4633 |
goto die;
|
4634 |
} |
4635 |
/* Stop translation as we may have switched the execution mode */
|
4636 |
ctx->bstate = BS_STOP; |
4637 |
break;
|
4638 |
case 12: |
4639 |
switch (sel) {
|
4640 |
case 0: |
4641 |
gen_op_mtc0_status(); |
4642 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4643 |
gen_save_pc(ctx->pc + 4);
|
4644 |
ctx->bstate = BS_EXCP; |
4645 |
rn = "Status";
|
4646 |
break;
|
4647 |
case 1: |
4648 |
check_insn(env, ctx, ISA_MIPS32R2); |
4649 |
gen_op_mtc0_intctl(); |
4650 |
/* Stop translation as we may have switched the execution mode */
|
4651 |
ctx->bstate = BS_STOP; |
4652 |
rn = "IntCtl";
|
4653 |
break;
|
4654 |
case 2: |
4655 |
check_insn(env, ctx, ISA_MIPS32R2); |
4656 |
gen_op_mtc0_srsctl(); |
4657 |
/* Stop translation as we may have switched the execution mode */
|
4658 |
ctx->bstate = BS_STOP; |
4659 |
rn = "SRSCtl";
|
4660 |
break;
|
4661 |
case 3: |
4662 |
check_insn(env, ctx, ISA_MIPS32R2); |
4663 |
gen_op_mtc0_srsmap(); |
4664 |
/* Stop translation as we may have switched the execution mode */
|
4665 |
ctx->bstate = BS_STOP; |
4666 |
rn = "SRSMap";
|
4667 |
break;
|
4668 |
default:
|
4669 |
goto die;
|
4670 |
} |
4671 |
break;
|
4672 |
case 13: |
4673 |
switch (sel) {
|
4674 |
case 0: |
4675 |
gen_op_mtc0_cause(); |
4676 |
rn = "Cause";
|
4677 |
break;
|
4678 |
default:
|
4679 |
goto die;
|
4680 |
} |
4681 |
/* Stop translation as we may have switched the execution mode */
|
4682 |
ctx->bstate = BS_STOP; |
4683 |
break;
|
4684 |
case 14: |
4685 |
switch (sel) {
|
4686 |
case 0: |
4687 |
gen_op_mtc0_epc(); |
4688 |
rn = "EPC";
|
4689 |
break;
|
4690 |
default:
|
4691 |
goto die;
|
4692 |
} |
4693 |
break;
|
4694 |
case 15: |
4695 |
switch (sel) {
|
4696 |
case 0: |
4697 |
/* ignored */
|
4698 |
rn = "PRid";
|
4699 |
break;
|
4700 |
case 1: |
4701 |
check_insn(env, ctx, ISA_MIPS32R2); |
4702 |
gen_op_mtc0_ebase(); |
4703 |
rn = "EBase";
|
4704 |
break;
|
4705 |
default:
|
4706 |
goto die;
|
4707 |
} |
4708 |
break;
|
4709 |
case 16: |
4710 |
switch (sel) {
|
4711 |
case 0: |
4712 |
gen_op_mtc0_config0(); |
4713 |
rn = "Config";
|
4714 |
/* Stop translation as we may have switched the execution mode */
|
4715 |
ctx->bstate = BS_STOP; |
4716 |
break;
|
4717 |
case 1: |
4718 |
/* ignored */
|
4719 |
rn = "Config1";
|
4720 |
break;
|
4721 |
case 2: |
4722 |
gen_op_mtc0_config2(); |
4723 |
rn = "Config2";
|
4724 |
/* Stop translation as we may have switched the execution mode */
|
4725 |
ctx->bstate = BS_STOP; |
4726 |
break;
|
4727 |
case 3: |
4728 |
/* ignored */
|
4729 |
rn = "Config3";
|
4730 |
break;
|
4731 |
/* 6,7 are implementation dependent */
|
4732 |
default:
|
4733 |
rn = "Invalid config selector";
|
4734 |
goto die;
|
4735 |
} |
4736 |
break;
|
4737 |
case 17: |
4738 |
switch (sel) {
|
4739 |
case 0: |
4740 |
/* ignored */
|
4741 |
rn = "LLAddr";
|
4742 |
break;
|
4743 |
default:
|
4744 |
goto die;
|
4745 |
} |
4746 |
break;
|
4747 |
case 18: |
4748 |
switch (sel) {
|
4749 |
case 0 ... 7: |
4750 |
gen_op_mtc0_watchlo(sel); |
4751 |
rn = "WatchLo";
|
4752 |
break;
|
4753 |
default:
|
4754 |
goto die;
|
4755 |
} |
4756 |
break;
|
4757 |
case 19: |
4758 |
switch (sel) {
|
4759 |
case 0 ... 7: |
4760 |
gen_op_mtc0_watchhi(sel); |
4761 |
rn = "WatchHi";
|
4762 |
break;
|
4763 |
default:
|
4764 |
goto die;
|
4765 |
} |
4766 |
break;
|
4767 |
case 20: |
4768 |
switch (sel) {
|
4769 |
case 0: |
4770 |
check_insn(env, ctx, ISA_MIPS3); |
4771 |
gen_op_mtc0_xcontext(); |
4772 |
rn = "XContext";
|
4773 |
break;
|
4774 |
default:
|
4775 |
goto die;
|
4776 |
} |
4777 |
break;
|
4778 |
case 21: |
4779 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
4780 |
switch (sel) {
|
4781 |
case 0: |
4782 |
gen_op_mtc0_framemask(); |
4783 |
rn = "Framemask";
|
4784 |
break;
|
4785 |
default:
|
4786 |
goto die;
|
4787 |
} |
4788 |
break;
|
4789 |
case 22: |
4790 |
/* ignored */
|
4791 |
rn = "Diagnostic"; /* implementation dependent */ |
4792 |
break;
|
4793 |
case 23: |
4794 |
switch (sel) {
|
4795 |
case 0: |
4796 |
gen_op_mtc0_debug(); /* EJTAG support */
|
4797 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4798 |
gen_save_pc(ctx->pc + 4);
|
4799 |
ctx->bstate = BS_EXCP; |
4800 |
rn = "Debug";
|
4801 |
break;
|
4802 |
case 1: |
4803 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
4804 |
/* Stop translation as we may have switched the execution mode */
|
4805 |
ctx->bstate = BS_STOP; |
4806 |
rn = "TraceControl";
|
4807 |
// break;
|
4808 |
case 2: |
4809 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
4810 |
/* Stop translation as we may have switched the execution mode */
|
4811 |
ctx->bstate = BS_STOP; |
4812 |
rn = "TraceControl2";
|
4813 |
// break;
|
4814 |
case 3: |
4815 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
4816 |
/* Stop translation as we may have switched the execution mode */
|
4817 |
ctx->bstate = BS_STOP; |
4818 |
rn = "UserTraceData";
|
4819 |
// break;
|
4820 |
case 4: |
4821 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
4822 |
/* Stop translation as we may have switched the execution mode */
|
4823 |
ctx->bstate = BS_STOP; |
4824 |
rn = "TraceBPC";
|
4825 |
// break;
|
4826 |
default:
|
4827 |
goto die;
|
4828 |
} |
4829 |
break;
|
4830 |
case 24: |
4831 |
switch (sel) {
|
4832 |
case 0: |
4833 |
gen_op_mtc0_depc(); /* EJTAG support */
|
4834 |
rn = "DEPC";
|
4835 |
break;
|
4836 |
default:
|
4837 |
goto die;
|
4838 |
} |
4839 |
break;
|
4840 |
case 25: |
4841 |
switch (sel) {
|
4842 |
case 0: |
4843 |
gen_op_mtc0_performance0(); |
4844 |
rn = "Performance0";
|
4845 |
break;
|
4846 |
case 1: |
4847 |
// gen_op_mtc0_performance1();
|
4848 |
rn = "Performance1";
|
4849 |
// break;
|
4850 |
case 2: |
4851 |
// gen_op_mtc0_performance2();
|
4852 |
rn = "Performance2";
|
4853 |
// break;
|
4854 |
case 3: |
4855 |
// gen_op_mtc0_performance3();
|
4856 |
rn = "Performance3";
|
4857 |
// break;
|
4858 |
case 4: |
4859 |
// gen_op_mtc0_performance4();
|
4860 |
rn = "Performance4";
|
4861 |
// break;
|
4862 |
case 5: |
4863 |
// gen_op_mtc0_performance5();
|
4864 |
rn = "Performance5";
|
4865 |
// break;
|
4866 |
case 6: |
4867 |
// gen_op_mtc0_performance6();
|
4868 |
rn = "Performance6";
|
4869 |
// break;
|
4870 |
case 7: |
4871 |
// gen_op_mtc0_performance7();
|
4872 |
rn = "Performance7";
|
4873 |
// break;
|
4874 |
default:
|
4875 |
goto die;
|
4876 |
} |
4877 |
break;
|
4878 |
case 26: |
4879 |
/* ignored */
|
4880 |
rn = "ECC";
|
4881 |
break;
|
4882 |
case 27: |
4883 |
switch (sel) {
|
4884 |
case 0 ... 3: |
4885 |
/* ignored */
|
4886 |
rn = "CacheErr";
|
4887 |
break;
|
4888 |
default:
|
4889 |
goto die;
|
4890 |
} |
4891 |
break;
|
4892 |
case 28: |
4893 |
switch (sel) {
|
4894 |
case 0: |
4895 |
case 2: |
4896 |
case 4: |
4897 |
case 6: |
4898 |
gen_op_mtc0_taglo(); |
4899 |
rn = "TagLo";
|
4900 |
break;
|
4901 |
case 1: |
4902 |
case 3: |
4903 |
case 5: |
4904 |
case 7: |
4905 |
gen_op_mtc0_datalo(); |
4906 |
rn = "DataLo";
|
4907 |
break;
|
4908 |
default:
|
4909 |
goto die;
|
4910 |
} |
4911 |
break;
|
4912 |
case 29: |
4913 |
switch (sel) {
|
4914 |
case 0: |
4915 |
case 2: |
4916 |
case 4: |
4917 |
case 6: |
4918 |
gen_op_mtc0_taghi(); |
4919 |
rn = "TagHi";
|
4920 |
break;
|
4921 |
case 1: |
4922 |
case 3: |
4923 |
case 5: |
4924 |
case 7: |
4925 |
gen_op_mtc0_datahi(); |
4926 |
rn = "DataHi";
|
4927 |
break;
|
4928 |
default:
|
4929 |
rn = "invalid sel";
|
4930 |
goto die;
|
4931 |
} |
4932 |
break;
|
4933 |
case 30: |
4934 |
switch (sel) {
|
4935 |
case 0: |
4936 |
gen_op_mtc0_errorepc(); |
4937 |
rn = "ErrorEPC";
|
4938 |
break;
|
4939 |
default:
|
4940 |
goto die;
|
4941 |
} |
4942 |
break;
|
4943 |
case 31: |
4944 |
switch (sel) {
|
4945 |
case 0: |
4946 |
gen_op_mtc0_desave(); /* EJTAG support */
|
4947 |
rn = "DESAVE";
|
4948 |
break;
|
4949 |
default:
|
4950 |
goto die;
|
4951 |
} |
4952 |
/* Stop translation as we may have switched the execution mode */
|
4953 |
ctx->bstate = BS_STOP; |
4954 |
break;
|
4955 |
default:
|
4956 |
goto die;
|
4957 |
} |
4958 |
#if defined MIPS_DEBUG_DISAS
|
4959 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4960 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4961 |
rn, reg, sel); |
4962 |
} |
4963 |
#endif
|
4964 |
return;
|
4965 |
|
4966 |
die:
|
4967 |
#if defined MIPS_DEBUG_DISAS
|
4968 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4969 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4970 |
rn, reg, sel); |
4971 |
} |
4972 |
#endif
|
4973 |
generate_exception(ctx, EXCP_RI); |
4974 |
} |
4975 |
#endif /* TARGET_MIPS64 */ |
4976 |
|
4977 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, |
4978 |
int u, int sel, int h) |
4979 |
{ |
4980 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
4981 |
|
4982 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
4983 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
4984 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
4985 |
tcg_gen_movi_tl(cpu_T[0], -1); |
4986 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
4987 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
4988 |
tcg_gen_movi_tl(cpu_T[0], -1); |
4989 |
else if (u == 0) { |
4990 |
switch (rt) {
|
4991 |
case 2: |
4992 |
switch (sel) {
|
4993 |
case 1: |
4994 |
gen_op_mftc0_tcstatus(); |
4995 |
break;
|
4996 |
case 2: |
4997 |
gen_op_mftc0_tcbind(); |
4998 |
break;
|
4999 |
case 3: |
5000 |
gen_op_mftc0_tcrestart(); |
5001 |
break;
|
5002 |
case 4: |
5003 |
gen_op_mftc0_tchalt(); |
5004 |
break;
|
5005 |
case 5: |
5006 |
gen_op_mftc0_tccontext(); |
5007 |
break;
|
5008 |
case 6: |
5009 |
gen_op_mftc0_tcschedule(); |
5010 |
break;
|
5011 |
case 7: |
5012 |
gen_op_mftc0_tcschefback(); |
5013 |
break;
|
5014 |
default:
|
5015 |
gen_mfc0(env, ctx, rt, sel); |
5016 |
break;
|
5017 |
} |
5018 |
break;
|
5019 |
case 10: |
5020 |
switch (sel) {
|
5021 |
case 0: |
5022 |
gen_op_mftc0_entryhi(); |
5023 |
break;
|
5024 |
default:
|
5025 |
gen_mfc0(env, ctx, rt, sel); |
5026 |
break;
|
5027 |
} |
5028 |
case 12: |
5029 |
switch (sel) {
|
5030 |
case 0: |
5031 |
gen_op_mftc0_status(); |
5032 |
break;
|
5033 |
default:
|
5034 |
gen_mfc0(env, ctx, rt, sel); |
5035 |
break;
|
5036 |
} |
5037 |
case 23: |
5038 |
switch (sel) {
|
5039 |
case 0: |
5040 |
gen_op_mftc0_debug(); |
5041 |
break;
|
5042 |
default:
|
5043 |
gen_mfc0(env, ctx, rt, sel); |
5044 |
break;
|
5045 |
} |
5046 |
break;
|
5047 |
default:
|
5048 |
gen_mfc0(env, ctx, rt, sel); |
5049 |
} |
5050 |
} else switch (sel) { |
5051 |
/* GPR registers. */
|
5052 |
case 0: |
5053 |
gen_op_mftgpr(rt); |
5054 |
break;
|
5055 |
/* Auxiliary CPU registers */
|
5056 |
case 1: |
5057 |
switch (rt) {
|
5058 |
case 0: |
5059 |
gen_op_mftlo(0);
|
5060 |
break;
|
5061 |
case 1: |
5062 |
gen_op_mfthi(0);
|
5063 |
break;
|
5064 |
case 2: |
5065 |
gen_op_mftacx(0);
|
5066 |
break;
|
5067 |
case 4: |
5068 |
gen_op_mftlo(1);
|
5069 |
break;
|
5070 |
case 5: |
5071 |
gen_op_mfthi(1);
|
5072 |
break;
|
5073 |
case 6: |
5074 |
gen_op_mftacx(1);
|
5075 |
break;
|
5076 |
case 8: |
5077 |
gen_op_mftlo(2);
|
5078 |
break;
|
5079 |
case 9: |
5080 |
gen_op_mfthi(2);
|
5081 |
break;
|
5082 |
case 10: |
5083 |
gen_op_mftacx(2);
|
5084 |
break;
|
5085 |
case 12: |
5086 |
gen_op_mftlo(3);
|
5087 |
break;
|
5088 |
case 13: |
5089 |
gen_op_mfthi(3);
|
5090 |
break;
|
5091 |
case 14: |
5092 |
gen_op_mftacx(3);
|
5093 |
break;
|
5094 |
case 16: |
5095 |
gen_op_mftdsp(); |
5096 |
break;
|
5097 |
default:
|
5098 |
goto die;
|
5099 |
} |
5100 |
break;
|
5101 |
/* Floating point (COP1). */
|
5102 |
case 2: |
5103 |
/* XXX: For now we support only a single FPU context. */
|
5104 |
if (h == 0) { |
5105 |
GEN_LOAD_FREG_FTN(WT0, rt); |
5106 |
gen_op_mfc1(); |
5107 |
} else {
|
5108 |
GEN_LOAD_FREG_FTN(WTH0, rt); |
5109 |
gen_op_mfhc1(); |
5110 |
} |
5111 |
break;
|
5112 |
case 3: |
5113 |
/* XXX: For now we support only a single FPU context. */
|
5114 |
gen_op_cfc1(rt); |
5115 |
break;
|
5116 |
/* COP2: Not implemented. */
|
5117 |
case 4: |
5118 |
case 5: |
5119 |
/* fall through */
|
5120 |
default:
|
5121 |
goto die;
|
5122 |
} |
5123 |
#if defined MIPS_DEBUG_DISAS
|
5124 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5125 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
5126 |
rt, u, sel, h); |
5127 |
} |
5128 |
#endif
|
5129 |
return;
|
5130 |
|
5131 |
die:
|
5132 |
#if defined MIPS_DEBUG_DISAS
|
5133 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5134 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
5135 |
rt, u, sel, h); |
5136 |
} |
5137 |
#endif
|
5138 |
generate_exception(ctx, EXCP_RI); |
5139 |
} |
5140 |
|
5141 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, |
5142 |
int u, int sel, int h) |
5143 |
{ |
5144 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
5145 |
|
5146 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
5147 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
5148 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
5149 |
/* NOP */ ;
|
5150 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
5151 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
5152 |
/* NOP */ ;
|
5153 |
else if (u == 0) { |
5154 |
switch (rd) {
|
5155 |
case 2: |
5156 |
switch (sel) {
|
5157 |
case 1: |
5158 |
gen_op_mttc0_tcstatus(); |
5159 |
break;
|
5160 |
case 2: |
5161 |
gen_op_mttc0_tcbind(); |
5162 |
break;
|
5163 |
case 3: |
5164 |
gen_op_mttc0_tcrestart(); |
5165 |
break;
|
5166 |
case 4: |
5167 |
gen_op_mttc0_tchalt(); |
5168 |
break;
|
5169 |
case 5: |
5170 |
gen_op_mttc0_tccontext(); |
5171 |
break;
|
5172 |
case 6: |
5173 |
gen_op_mttc0_tcschedule(); |
5174 |
break;
|
5175 |
case 7: |
5176 |
gen_op_mttc0_tcschefback(); |
5177 |
break;
|
5178 |
default:
|
5179 |
gen_mtc0(env, ctx, rd, sel); |
5180 |
break;
|
5181 |
} |
5182 |
break;
|
5183 |
case 10: |
5184 |
switch (sel) {
|
5185 |
case 0: |
5186 |
gen_op_mttc0_entryhi(); |
5187 |
break;
|
5188 |
default:
|
5189 |
gen_mtc0(env, ctx, rd, sel); |
5190 |
break;
|
5191 |
} |
5192 |
case 12: |
5193 |
switch (sel) {
|
5194 |
case 0: |
5195 |
gen_op_mttc0_status(); |
5196 |
break;
|
5197 |
default:
|
5198 |
gen_mtc0(env, ctx, rd, sel); |
5199 |
break;
|
5200 |
} |
5201 |
case 23: |
5202 |
switch (sel) {
|
5203 |
case 0: |
5204 |
gen_op_mttc0_debug(); |
5205 |
break;
|
5206 |
default:
|
5207 |
gen_mtc0(env, ctx, rd, sel); |
5208 |
break;
|
5209 |
} |
5210 |
break;
|
5211 |
default:
|
5212 |
gen_mtc0(env, ctx, rd, sel); |
5213 |
} |
5214 |
} else switch (sel) { |
5215 |
/* GPR registers. */
|
5216 |
case 0: |
5217 |
gen_op_mttgpr(rd); |
5218 |
break;
|
5219 |
/* Auxiliary CPU registers */
|
5220 |
case 1: |
5221 |
switch (rd) {
|
5222 |
case 0: |
5223 |
gen_op_mttlo(0);
|
5224 |
break;
|
5225 |
case 1: |
5226 |
gen_op_mtthi(0);
|
5227 |
break;
|
5228 |
case 2: |
5229 |
gen_op_mttacx(0);
|
5230 |
break;
|
5231 |
case 4: |
5232 |
gen_op_mttlo(1);
|
5233 |
break;
|
5234 |
case 5: |
5235 |
gen_op_mtthi(1);
|
5236 |
break;
|
5237 |
case 6: |
5238 |
gen_op_mttacx(1);
|
5239 |
break;
|
5240 |
case 8: |
5241 |
gen_op_mttlo(2);
|
5242 |
break;
|
5243 |
case 9: |
5244 |
gen_op_mtthi(2);
|
5245 |
break;
|
5246 |
case 10: |
5247 |
gen_op_mttacx(2);
|
5248 |
break;
|
5249 |
case 12: |
5250 |
gen_op_mttlo(3);
|
5251 |
break;
|
5252 |
case 13: |
5253 |
gen_op_mtthi(3);
|
5254 |
break;
|
5255 |
case 14: |
5256 |
gen_op_mttacx(3);
|
5257 |
break;
|
5258 |
case 16: |
5259 |
gen_op_mttdsp(); |
5260 |
break;
|
5261 |
default:
|
5262 |
goto die;
|
5263 |
} |
5264 |
break;
|
5265 |
/* Floating point (COP1). */
|
5266 |
case 2: |
5267 |
/* XXX: For now we support only a single FPU context. */
|
5268 |
if (h == 0) { |
5269 |
gen_op_mtc1(); |
5270 |
GEN_STORE_FTN_FREG(rd, WT0); |
5271 |
} else {
|
5272 |
gen_op_mthc1(); |
5273 |
GEN_STORE_FTN_FREG(rd, WTH0); |
5274 |
} |
5275 |
break;
|
5276 |
case 3: |
5277 |
/* XXX: For now we support only a single FPU context. */
|
5278 |
gen_op_ctc1(rd); |
5279 |
break;
|
5280 |
/* COP2: Not implemented. */
|
5281 |
case 4: |
5282 |
case 5: |
5283 |
/* fall through */
|
5284 |
default:
|
5285 |
goto die;
|
5286 |
} |
5287 |
#if defined MIPS_DEBUG_DISAS
|
5288 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5289 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
5290 |
rd, u, sel, h); |
5291 |
} |
5292 |
#endif
|
5293 |
return;
|
5294 |
|
5295 |
die:
|
5296 |
#if defined MIPS_DEBUG_DISAS
|
5297 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
5298 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
5299 |
rd, u, sel, h); |
5300 |
} |
5301 |
#endif
|
5302 |
generate_exception(ctx, EXCP_RI); |
5303 |
} |
5304 |
|
5305 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
5306 |
{ |
5307 |
const char *opn = "ldst"; |
5308 |
|
5309 |
switch (opc) {
|
5310 |
case OPC_MFC0:
|
5311 |
if (rt == 0) { |
5312 |
/* Treat as NOP. */
|
5313 |
return;
|
5314 |
} |
5315 |
gen_mfc0(env, ctx, rd, ctx->opcode & 0x7);
|
5316 |
gen_store_gpr(cpu_T[0], rt);
|
5317 |
opn = "mfc0";
|
5318 |
break;
|
5319 |
case OPC_MTC0:
|
5320 |
gen_load_gpr(cpu_T[0], rt);
|
5321 |
save_cpu_state(ctx, 1);
|
5322 |
gen_mtc0(env, ctx, rd, ctx->opcode & 0x7);
|
5323 |
opn = "mtc0";
|
5324 |
break;
|
5325 |
#if defined(TARGET_MIPS64)
|
5326 |
case OPC_DMFC0:
|
5327 |
check_insn(env, ctx, ISA_MIPS3); |
5328 |
if (rt == 0) { |
5329 |
/* Treat as NOP. */
|
5330 |
return;
|
5331 |
} |
5332 |
gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7);
|
5333 |
gen_store_gpr(cpu_T[0], rt);
|
5334 |
opn = "dmfc0";
|
5335 |
break;
|
5336 |
case OPC_DMTC0:
|
5337 |
check_insn(env, ctx, ISA_MIPS3); |
5338 |
gen_load_gpr(cpu_T[0], rt);
|
5339 |
save_cpu_state(ctx, 1);
|
5340 |
gen_dmtc0(env, ctx, rd, ctx->opcode & 0x7);
|
5341 |
opn = "dmtc0";
|
5342 |
break;
|
5343 |
#endif
|
5344 |
case OPC_MFTR:
|
5345 |
check_insn(env, ctx, ASE_MT); |
5346 |
if (rd == 0) { |
5347 |
/* Treat as NOP. */
|
5348 |
return;
|
5349 |
} |
5350 |
gen_mftr(env, ctx, rt, (ctx->opcode >> 5) & 1, |
5351 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5352 |
gen_store_gpr(cpu_T[0], rd);
|
5353 |
opn = "mftr";
|
5354 |
break;
|
5355 |
case OPC_MTTR:
|
5356 |
check_insn(env, ctx, ASE_MT); |
5357 |
gen_load_gpr(cpu_T[0], rt);
|
5358 |
gen_mttr(env, ctx, rd, (ctx->opcode >> 5) & 1, |
5359 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
5360 |
opn = "mttr";
|
5361 |
break;
|
5362 |
case OPC_TLBWI:
|
5363 |
opn = "tlbwi";
|
5364 |
if (!env->tlb->do_tlbwi)
|
5365 |
goto die;
|
5366 |
gen_op_tlbwi(); |
5367 |
break;
|
5368 |
case OPC_TLBWR:
|
5369 |
opn = "tlbwr";
|
5370 |
if (!env->tlb->do_tlbwr)
|
5371 |
goto die;
|
5372 |
gen_op_tlbwr(); |
5373 |
break;
|
5374 |
case OPC_TLBP:
|
5375 |
opn = "tlbp";
|
5376 |
if (!env->tlb->do_tlbp)
|
5377 |
goto die;
|
5378 |
gen_op_tlbp(); |
5379 |
break;
|
5380 |
case OPC_TLBR:
|
5381 |
opn = "tlbr";
|
5382 |
if (!env->tlb->do_tlbr)
|
5383 |
goto die;
|
5384 |
gen_op_tlbr(); |
5385 |
break;
|
5386 |
case OPC_ERET:
|
5387 |
opn = "eret";
|
5388 |
check_insn(env, ctx, ISA_MIPS2); |
5389 |
save_cpu_state(ctx, 1);
|
5390 |
gen_op_eret(); |
5391 |
ctx->bstate = BS_EXCP; |
5392 |
break;
|
5393 |
case OPC_DERET:
|
5394 |
opn = "deret";
|
5395 |
check_insn(env, ctx, ISA_MIPS32); |
5396 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
5397 |
MIPS_INVAL(opn); |
5398 |
generate_exception(ctx, EXCP_RI); |
5399 |
} else {
|
5400 |
save_cpu_state(ctx, 1);
|
5401 |
gen_op_deret(); |
5402 |
ctx->bstate = BS_EXCP; |
5403 |
} |
5404 |
break;
|
5405 |
case OPC_WAIT:
|
5406 |
opn = "wait";
|
5407 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
5408 |
/* If we get an exception, we want to restart at next instruction */
|
5409 |
ctx->pc += 4;
|
5410 |
save_cpu_state(ctx, 1);
|
5411 |
ctx->pc -= 4;
|
5412 |
gen_op_wait(); |
5413 |
ctx->bstate = BS_EXCP; |
5414 |
break;
|
5415 |
default:
|
5416 |
die:
|
5417 |
MIPS_INVAL(opn); |
5418 |
generate_exception(ctx, EXCP_RI); |
5419 |
return;
|
5420 |
} |
5421 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
5422 |
} |
5423 |
|
5424 |
/* CP1 Branches (before delay slot) */
|
5425 |
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
5426 |
int32_t cc, int32_t offset) |
5427 |
{ |
5428 |
target_ulong btarget; |
5429 |
const char *opn = "cp1 cond branch"; |
5430 |
|
5431 |
if (cc != 0) |
5432 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
5433 |
|
5434 |
btarget = ctx->pc + 4 + offset;
|
5435 |
|
5436 |
switch (op) {
|
5437 |
case OPC_BC1F:
|
5438 |
gen_op_bc1f(cc); |
5439 |
opn = "bc1f";
|
5440 |
goto not_likely;
|
5441 |
case OPC_BC1FL:
|
5442 |
gen_op_bc1f(cc); |
5443 |
opn = "bc1fl";
|
5444 |
goto likely;
|
5445 |
case OPC_BC1T:
|
5446 |
gen_op_bc1t(cc); |
5447 |
opn = "bc1t";
|
5448 |
goto not_likely;
|
5449 |
case OPC_BC1TL:
|
5450 |
gen_op_bc1t(cc); |
5451 |
opn = "bc1tl";
|
5452 |
likely:
|
5453 |
ctx->hflags |= MIPS_HFLAG_BL; |
5454 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
5455 |
break;
|
5456 |
case OPC_BC1FANY2:
|
5457 |
gen_op_bc1any2f(cc); |
5458 |
opn = "bc1any2f";
|
5459 |
goto not_likely;
|
5460 |
case OPC_BC1TANY2:
|
5461 |
gen_op_bc1any2t(cc); |
5462 |
opn = "bc1any2t";
|
5463 |
goto not_likely;
|
5464 |
case OPC_BC1FANY4:
|
5465 |
gen_op_bc1any4f(cc); |
5466 |
opn = "bc1any4f";
|
5467 |
goto not_likely;
|
5468 |
case OPC_BC1TANY4:
|
5469 |
gen_op_bc1any4t(cc); |
5470 |
opn = "bc1any4t";
|
5471 |
not_likely:
|
5472 |
ctx->hflags |= MIPS_HFLAG_BC; |
5473 |
tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUState, bcond));
|
5474 |
break;
|
5475 |
default:
|
5476 |
MIPS_INVAL(opn); |
5477 |
generate_exception (ctx, EXCP_RI); |
5478 |
return;
|
5479 |
} |
5480 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
5481 |
ctx->hflags, btarget); |
5482 |
ctx->btarget = btarget; |
5483 |
} |
5484 |
|
5485 |
/* Coprocessor 1 (FPU) */
|
5486 |
|
5487 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
5488 |
|
5489 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
5490 |
{ |
5491 |
const char *opn = "cp1 move"; |
5492 |
|
5493 |
switch (opc) {
|
5494 |
case OPC_MFC1:
|
5495 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5496 |
gen_op_mfc1(); |
5497 |
gen_store_gpr(cpu_T[0], rt);
|
5498 |
opn = "mfc1";
|
5499 |
break;
|
5500 |
case OPC_MTC1:
|
5501 |
gen_load_gpr(cpu_T[0], rt);
|
5502 |
gen_op_mtc1(); |
5503 |
GEN_STORE_FTN_FREG(fs, WT0); |
5504 |
opn = "mtc1";
|
5505 |
break;
|
5506 |
case OPC_CFC1:
|
5507 |
gen_op_cfc1(fs); |
5508 |
gen_store_gpr(cpu_T[0], rt);
|
5509 |
opn = "cfc1";
|
5510 |
break;
|
5511 |
case OPC_CTC1:
|
5512 |
gen_load_gpr(cpu_T[0], rt);
|
5513 |
gen_op_ctc1(fs); |
5514 |
opn = "ctc1";
|
5515 |
break;
|
5516 |
case OPC_DMFC1:
|
5517 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5518 |
gen_op_dmfc1(); |
5519 |
gen_store_gpr(cpu_T[0], rt);
|
5520 |
opn = "dmfc1";
|
5521 |
break;
|
5522 |
case OPC_DMTC1:
|
5523 |
gen_load_gpr(cpu_T[0], rt);
|
5524 |
gen_op_dmtc1(); |
5525 |
GEN_STORE_FTN_FREG(fs, DT0); |
5526 |
opn = "dmtc1";
|
5527 |
break;
|
5528 |
case OPC_MFHC1:
|
5529 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5530 |
gen_op_mfhc1(); |
5531 |
gen_store_gpr(cpu_T[0], rt);
|
5532 |
opn = "mfhc1";
|
5533 |
break;
|
5534 |
case OPC_MTHC1:
|
5535 |
gen_load_gpr(cpu_T[0], rt);
|
5536 |
gen_op_mthc1(); |
5537 |
GEN_STORE_FTN_FREG(fs, WTH0); |
5538 |
opn = "mthc1";
|
5539 |
break;
|
5540 |
default:
|
5541 |
MIPS_INVAL(opn); |
5542 |
generate_exception (ctx, EXCP_RI); |
5543 |
return;
|
5544 |
} |
5545 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
5546 |
} |
5547 |
|
5548 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
5549 |
{ |
5550 |
int l1 = gen_new_label();
|
5551 |
uint32_t ccbit; |
5552 |
TCGCond cond; |
5553 |
|
5554 |
if (cc)
|
5555 |
ccbit = 1 << (24 + cc); |
5556 |
else
|
5557 |
ccbit = 1 << 23; |
5558 |
if (tf)
|
5559 |
cond = TCG_COND_EQ; |
5560 |
else
|
5561 |
cond = TCG_COND_NE; |
5562 |
|
5563 |
gen_load_gpr(cpu_T[0], rd);
|
5564 |
gen_load_gpr(cpu_T[1], rs);
|
5565 |
{ |
5566 |
TCGv r_ptr = tcg_temp_new(TCG_TYPE_PTR); |
5567 |
TCGv r_tmp = new_tmp(); |
5568 |
|
5569 |
tcg_gen_ld_ptr(r_ptr, cpu_env, offsetof(CPUState, fpu)); |
5570 |
tcg_gen_ld_i32(r_tmp, r_ptr, offsetof(CPUMIPSFPUContext, fcr31)); |
5571 |
tcg_gen_andi_i32(r_tmp, r_tmp, ccbit); |
5572 |
tcg_gen_brcondi_i32(cond, r_tmp, 0, l1);
|
5573 |
dead_tmp(r_tmp); |
5574 |
} |
5575 |
tcg_gen_mov_tl(cpu_T[0], cpu_T[1]); |
5576 |
|
5577 |
gen_set_label(l1); |
5578 |
gen_store_gpr(cpu_T[0], rd);
|
5579 |
} |
5580 |
|
5581 |
#define GEN_MOVCF(fmt) \
|
5582 |
static void glue(gen_movcf_, fmt) (DisasContext *ctx, int cc, int tf) \ |
5583 |
{ \ |
5584 |
uint32_t ccbit; \ |
5585 |
\ |
5586 |
if (cc) { \
|
5587 |
ccbit = 1 << (24 + cc); \ |
5588 |
} else \
|
5589 |
ccbit = 1 << 23; \ |
5590 |
if (!tf) \
|
5591 |
glue(gen_op_float_movf_, fmt)(ccbit); \ |
5592 |
else \
|
5593 |
glue(gen_op_float_movt_, fmt)(ccbit); \ |
5594 |
} |
5595 |
GEN_MOVCF(d); |
5596 |
GEN_MOVCF(s); |
5597 |
#undef GEN_MOVCF
|
5598 |
|
5599 |
static void gen_farith (DisasContext *ctx, uint32_t op1, |
5600 |
int ft, int fs, int fd, int cc) |
5601 |
{ |
5602 |
const char *opn = "farith"; |
5603 |
const char *condnames[] = { |
5604 |
"c.f",
|
5605 |
"c.un",
|
5606 |
"c.eq",
|
5607 |
"c.ueq",
|
5608 |
"c.olt",
|
5609 |
"c.ult",
|
5610 |
"c.ole",
|
5611 |
"c.ule",
|
5612 |
"c.sf",
|
5613 |
"c.ngle",
|
5614 |
"c.seq",
|
5615 |
"c.ngl",
|
5616 |
"c.lt",
|
5617 |
"c.nge",
|
5618 |
"c.le",
|
5619 |
"c.ngt",
|
5620 |
}; |
5621 |
const char *condnames_abs[] = { |
5622 |
"cabs.f",
|
5623 |
"cabs.un",
|
5624 |
"cabs.eq",
|
5625 |
"cabs.ueq",
|
5626 |
"cabs.olt",
|
5627 |
"cabs.ult",
|
5628 |
"cabs.ole",
|
5629 |
"cabs.ule",
|
5630 |
"cabs.sf",
|
5631 |
"cabs.ngle",
|
5632 |
"cabs.seq",
|
5633 |
"cabs.ngl",
|
5634 |
"cabs.lt",
|
5635 |
"cabs.nge",
|
5636 |
"cabs.le",
|
5637 |
"cabs.ngt",
|
5638 |
}; |
5639 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
5640 |
uint32_t func = ctx->opcode & 0x3f;
|
5641 |
|
5642 |
switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
5643 |
case FOP(0, 16): |
5644 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5645 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5646 |
gen_op_float_add_s(); |
5647 |
GEN_STORE_FTN_FREG(fd, WT2); |
5648 |
opn = "add.s";
|
5649 |
optype = BINOP; |
5650 |
break;
|
5651 |
case FOP(1, 16): |
5652 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5653 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5654 |
gen_op_float_sub_s(); |
5655 |
GEN_STORE_FTN_FREG(fd, WT2); |
5656 |
opn = "sub.s";
|
5657 |
optype = BINOP; |
5658 |
break;
|
5659 |
case FOP(2, 16): |
5660 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5661 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5662 |
gen_op_float_mul_s(); |
5663 |
GEN_STORE_FTN_FREG(fd, WT2); |
5664 |
opn = "mul.s";
|
5665 |
optype = BINOP; |
5666 |
break;
|
5667 |
case FOP(3, 16): |
5668 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5669 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5670 |
gen_op_float_div_s(); |
5671 |
GEN_STORE_FTN_FREG(fd, WT2); |
5672 |
opn = "div.s";
|
5673 |
optype = BINOP; |
5674 |
break;
|
5675 |
case FOP(4, 16): |
5676 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5677 |
gen_op_float_sqrt_s(); |
5678 |
GEN_STORE_FTN_FREG(fd, WT2); |
5679 |
opn = "sqrt.s";
|
5680 |
break;
|
5681 |
case FOP(5, 16): |
5682 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5683 |
gen_op_float_abs_s(); |
5684 |
GEN_STORE_FTN_FREG(fd, WT2); |
5685 |
opn = "abs.s";
|
5686 |
break;
|
5687 |
case FOP(6, 16): |
5688 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5689 |
gen_op_float_mov_s(); |
5690 |
GEN_STORE_FTN_FREG(fd, WT2); |
5691 |
opn = "mov.s";
|
5692 |
break;
|
5693 |
case FOP(7, 16): |
5694 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5695 |
gen_op_float_chs_s(); |
5696 |
GEN_STORE_FTN_FREG(fd, WT2); |
5697 |
opn = "neg.s";
|
5698 |
break;
|
5699 |
case FOP(8, 16): |
5700 |
check_cp1_64bitmode(ctx); |
5701 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5702 |
gen_op_float_roundl_s(); |
5703 |
GEN_STORE_FTN_FREG(fd, DT2); |
5704 |
opn = "round.l.s";
|
5705 |
break;
|
5706 |
case FOP(9, 16): |
5707 |
check_cp1_64bitmode(ctx); |
5708 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5709 |
gen_op_float_truncl_s(); |
5710 |
GEN_STORE_FTN_FREG(fd, DT2); |
5711 |
opn = "trunc.l.s";
|
5712 |
break;
|
5713 |
case FOP(10, 16): |
5714 |
check_cp1_64bitmode(ctx); |
5715 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5716 |
gen_op_float_ceill_s(); |
5717 |
GEN_STORE_FTN_FREG(fd, DT2); |
5718 |
opn = "ceil.l.s";
|
5719 |
break;
|
5720 |
case FOP(11, 16): |
5721 |
check_cp1_64bitmode(ctx); |
5722 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5723 |
gen_op_float_floorl_s(); |
5724 |
GEN_STORE_FTN_FREG(fd, DT2); |
5725 |
opn = "floor.l.s";
|
5726 |
break;
|
5727 |
case FOP(12, 16): |
5728 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5729 |
gen_op_float_roundw_s(); |
5730 |
GEN_STORE_FTN_FREG(fd, WT2); |
5731 |
opn = "round.w.s";
|
5732 |
break;
|
5733 |
case FOP(13, 16): |
5734 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5735 |
gen_op_float_truncw_s(); |
5736 |
GEN_STORE_FTN_FREG(fd, WT2); |
5737 |
opn = "trunc.w.s";
|
5738 |
break;
|
5739 |
case FOP(14, 16): |
5740 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5741 |
gen_op_float_ceilw_s(); |
5742 |
GEN_STORE_FTN_FREG(fd, WT2); |
5743 |
opn = "ceil.w.s";
|
5744 |
break;
|
5745 |
case FOP(15, 16): |
5746 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5747 |
gen_op_float_floorw_s(); |
5748 |
GEN_STORE_FTN_FREG(fd, WT2); |
5749 |
opn = "floor.w.s";
|
5750 |
break;
|
5751 |
case FOP(17, 16): |
5752 |
gen_load_gpr(cpu_T[0], ft);
|
5753 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5754 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5755 |
gen_movcf_s(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5756 |
GEN_STORE_FTN_FREG(fd, WT2); |
5757 |
opn = "movcf.s";
|
5758 |
break;
|
5759 |
case FOP(18, 16): |
5760 |
gen_load_gpr(cpu_T[0], ft);
|
5761 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5762 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5763 |
gen_op_float_movz_s(); |
5764 |
GEN_STORE_FTN_FREG(fd, WT2); |
5765 |
opn = "movz.s";
|
5766 |
break;
|
5767 |
case FOP(19, 16): |
5768 |
gen_load_gpr(cpu_T[0], ft);
|
5769 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5770 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5771 |
gen_op_float_movn_s(); |
5772 |
GEN_STORE_FTN_FREG(fd, WT2); |
5773 |
opn = "movn.s";
|
5774 |
break;
|
5775 |
case FOP(21, 16): |
5776 |
check_cop1x(ctx); |
5777 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5778 |
gen_op_float_recip_s(); |
5779 |
GEN_STORE_FTN_FREG(fd, WT2); |
5780 |
opn = "recip.s";
|
5781 |
break;
|
5782 |
case FOP(22, 16): |
5783 |
check_cop1x(ctx); |
5784 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5785 |
gen_op_float_rsqrt_s(); |
5786 |
GEN_STORE_FTN_FREG(fd, WT2); |
5787 |
opn = "rsqrt.s";
|
5788 |
break;
|
5789 |
case FOP(28, 16): |
5790 |
check_cp1_64bitmode(ctx); |
5791 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5792 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5793 |
gen_op_float_recip2_s(); |
5794 |
GEN_STORE_FTN_FREG(fd, WT2); |
5795 |
opn = "recip2.s";
|
5796 |
break;
|
5797 |
case FOP(29, 16): |
5798 |
check_cp1_64bitmode(ctx); |
5799 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5800 |
gen_op_float_recip1_s(); |
5801 |
GEN_STORE_FTN_FREG(fd, WT2); |
5802 |
opn = "recip1.s";
|
5803 |
break;
|
5804 |
case FOP(30, 16): |
5805 |
check_cp1_64bitmode(ctx); |
5806 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5807 |
gen_op_float_rsqrt1_s(); |
5808 |
GEN_STORE_FTN_FREG(fd, WT2); |
5809 |
opn = "rsqrt1.s";
|
5810 |
break;
|
5811 |
case FOP(31, 16): |
5812 |
check_cp1_64bitmode(ctx); |
5813 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5814 |
GEN_LOAD_FREG_FTN(WT2, ft); |
5815 |
gen_op_float_rsqrt2_s(); |
5816 |
GEN_STORE_FTN_FREG(fd, WT2); |
5817 |
opn = "rsqrt2.s";
|
5818 |
break;
|
5819 |
case FOP(33, 16): |
5820 |
check_cp1_registers(ctx, fd); |
5821 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5822 |
gen_op_float_cvtd_s(); |
5823 |
GEN_STORE_FTN_FREG(fd, DT2); |
5824 |
opn = "cvt.d.s";
|
5825 |
break;
|
5826 |
case FOP(36, 16): |
5827 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5828 |
gen_op_float_cvtw_s(); |
5829 |
GEN_STORE_FTN_FREG(fd, WT2); |
5830 |
opn = "cvt.w.s";
|
5831 |
break;
|
5832 |
case FOP(37, 16): |
5833 |
check_cp1_64bitmode(ctx); |
5834 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5835 |
gen_op_float_cvtl_s(); |
5836 |
GEN_STORE_FTN_FREG(fd, DT2); |
5837 |
opn = "cvt.l.s";
|
5838 |
break;
|
5839 |
case FOP(38, 16): |
5840 |
check_cp1_64bitmode(ctx); |
5841 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5842 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5843 |
gen_op_float_cvtps_s(); |
5844 |
GEN_STORE_FTN_FREG(fd, DT2); |
5845 |
opn = "cvt.ps.s";
|
5846 |
break;
|
5847 |
case FOP(48, 16): |
5848 |
case FOP(49, 16): |
5849 |
case FOP(50, 16): |
5850 |
case FOP(51, 16): |
5851 |
case FOP(52, 16): |
5852 |
case FOP(53, 16): |
5853 |
case FOP(54, 16): |
5854 |
case FOP(55, 16): |
5855 |
case FOP(56, 16): |
5856 |
case FOP(57, 16): |
5857 |
case FOP(58, 16): |
5858 |
case FOP(59, 16): |
5859 |
case FOP(60, 16): |
5860 |
case FOP(61, 16): |
5861 |
case FOP(62, 16): |
5862 |
case FOP(63, 16): |
5863 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5864 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5865 |
if (ctx->opcode & (1 << 6)) { |
5866 |
check_cop1x(ctx); |
5867 |
gen_cmpabs_s(func-48, cc);
|
5868 |
opn = condnames_abs[func-48];
|
5869 |
} else {
|
5870 |
gen_cmp_s(func-48, cc);
|
5871 |
opn = condnames[func-48];
|
5872 |
} |
5873 |
break;
|
5874 |
case FOP(0, 17): |
5875 |
check_cp1_registers(ctx, fs | ft | fd); |
5876 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5877 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5878 |
gen_op_float_add_d(); |
5879 |
GEN_STORE_FTN_FREG(fd, DT2); |
5880 |
opn = "add.d";
|
5881 |
optype = BINOP; |
5882 |
break;
|
5883 |
case FOP(1, 17): |
5884 |
check_cp1_registers(ctx, fs | ft | fd); |
5885 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5886 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5887 |
gen_op_float_sub_d(); |
5888 |
GEN_STORE_FTN_FREG(fd, DT2); |
5889 |
opn = "sub.d";
|
5890 |
optype = BINOP; |
5891 |
break;
|
5892 |
case FOP(2, 17): |
5893 |
check_cp1_registers(ctx, fs | ft | fd); |
5894 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5895 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5896 |
gen_op_float_mul_d(); |
5897 |
GEN_STORE_FTN_FREG(fd, DT2); |
5898 |
opn = "mul.d";
|
5899 |
optype = BINOP; |
5900 |
break;
|
5901 |
case FOP(3, 17): |
5902 |
check_cp1_registers(ctx, fs | ft | fd); |
5903 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5904 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5905 |
gen_op_float_div_d(); |
5906 |
GEN_STORE_FTN_FREG(fd, DT2); |
5907 |
opn = "div.d";
|
5908 |
optype = BINOP; |
5909 |
break;
|
5910 |
case FOP(4, 17): |
5911 |
check_cp1_registers(ctx, fs | fd); |
5912 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5913 |
gen_op_float_sqrt_d(); |
5914 |
GEN_STORE_FTN_FREG(fd, DT2); |
5915 |
opn = "sqrt.d";
|
5916 |
break;
|
5917 |
case FOP(5, 17): |
5918 |
check_cp1_registers(ctx, fs | fd); |
5919 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5920 |
gen_op_float_abs_d(); |
5921 |
GEN_STORE_FTN_FREG(fd, DT2); |
5922 |
opn = "abs.d";
|
5923 |
break;
|
5924 |
case FOP(6, 17): |
5925 |
check_cp1_registers(ctx, fs | fd); |
5926 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5927 |
gen_op_float_mov_d(); |
5928 |
GEN_STORE_FTN_FREG(fd, DT2); |
5929 |
opn = "mov.d";
|
5930 |
break;
|
5931 |
case FOP(7, 17): |
5932 |
check_cp1_registers(ctx, fs | fd); |
5933 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5934 |
gen_op_float_chs_d(); |
5935 |
GEN_STORE_FTN_FREG(fd, DT2); |
5936 |
opn = "neg.d";
|
5937 |
break;
|
5938 |
case FOP(8, 17): |
5939 |
check_cp1_64bitmode(ctx); |
5940 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5941 |
gen_op_float_roundl_d(); |
5942 |
GEN_STORE_FTN_FREG(fd, DT2); |
5943 |
opn = "round.l.d";
|
5944 |
break;
|
5945 |
case FOP(9, 17): |
5946 |
check_cp1_64bitmode(ctx); |
5947 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5948 |
gen_op_float_truncl_d(); |
5949 |
GEN_STORE_FTN_FREG(fd, DT2); |
5950 |
opn = "trunc.l.d";
|
5951 |
break;
|
5952 |
case FOP(10, 17): |
5953 |
check_cp1_64bitmode(ctx); |
5954 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5955 |
gen_op_float_ceill_d(); |
5956 |
GEN_STORE_FTN_FREG(fd, DT2); |
5957 |
opn = "ceil.l.d";
|
5958 |
break;
|
5959 |
case FOP(11, 17): |
5960 |
check_cp1_64bitmode(ctx); |
5961 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5962 |
gen_op_float_floorl_d(); |
5963 |
GEN_STORE_FTN_FREG(fd, DT2); |
5964 |
opn = "floor.l.d";
|
5965 |
break;
|
5966 |
case FOP(12, 17): |
5967 |
check_cp1_registers(ctx, fs); |
5968 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5969 |
gen_op_float_roundw_d(); |
5970 |
GEN_STORE_FTN_FREG(fd, WT2); |
5971 |
opn = "round.w.d";
|
5972 |
break;
|
5973 |
case FOP(13, 17): |
5974 |
check_cp1_registers(ctx, fs); |
5975 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5976 |
gen_op_float_truncw_d(); |
5977 |
GEN_STORE_FTN_FREG(fd, WT2); |
5978 |
opn = "trunc.w.d";
|
5979 |
break;
|
5980 |
case FOP(14, 17): |
5981 |
check_cp1_registers(ctx, fs); |
5982 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5983 |
gen_op_float_ceilw_d(); |
5984 |
GEN_STORE_FTN_FREG(fd, WT2); |
5985 |
opn = "ceil.w.d";
|
5986 |
break;
|
5987 |
case FOP(15, 17): |
5988 |
check_cp1_registers(ctx, fs); |
5989 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5990 |
gen_op_float_floorw_d(); |
5991 |
GEN_STORE_FTN_FREG(fd, WT2); |
5992 |
opn = "floor.w.d";
|
5993 |
break;
|
5994 |
case FOP(17, 17): |
5995 |
gen_load_gpr(cpu_T[0], ft);
|
5996 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5997 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5998 |
gen_movcf_d(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5999 |
GEN_STORE_FTN_FREG(fd, DT2); |
6000 |
opn = "movcf.d";
|
6001 |
break;
|
6002 |
case FOP(18, 17): |
6003 |
gen_load_gpr(cpu_T[0], ft);
|
6004 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6005 |
GEN_LOAD_FREG_FTN(DT2, fd); |
6006 |
gen_op_float_movz_d(); |
6007 |
GEN_STORE_FTN_FREG(fd, DT2); |
6008 |
opn = "movz.d";
|
6009 |
break;
|
6010 |
case FOP(19, 17): |
6011 |
gen_load_gpr(cpu_T[0], ft);
|
6012 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6013 |
GEN_LOAD_FREG_FTN(DT2, fd); |
6014 |
gen_op_float_movn_d(); |
6015 |
GEN_STORE_FTN_FREG(fd, DT2); |
6016 |
opn = "movn.d";
|
6017 |
break;
|
6018 |
case FOP(21, 17): |
6019 |
check_cp1_64bitmode(ctx); |
6020 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6021 |
gen_op_float_recip_d(); |
6022 |
GEN_STORE_FTN_FREG(fd, DT2); |
6023 |
opn = "recip.d";
|
6024 |
break;
|
6025 |
case FOP(22, 17): |
6026 |
check_cp1_64bitmode(ctx); |
6027 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6028 |
gen_op_float_rsqrt_d(); |
6029 |
GEN_STORE_FTN_FREG(fd, DT2); |
6030 |
opn = "rsqrt.d";
|
6031 |
break;
|
6032 |
case FOP(28, 17): |
6033 |
check_cp1_64bitmode(ctx); |
6034 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6035 |
GEN_LOAD_FREG_FTN(DT2, ft); |
6036 |
gen_op_float_recip2_d(); |
6037 |
GEN_STORE_FTN_FREG(fd, DT2); |
6038 |
opn = "recip2.d";
|
6039 |
break;
|
6040 |
case FOP(29, 17): |
6041 |
check_cp1_64bitmode(ctx); |
6042 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6043 |
gen_op_float_recip1_d(); |
6044 |
GEN_STORE_FTN_FREG(fd, DT2); |
6045 |
opn = "recip1.d";
|
6046 |
break;
|
6047 |
case FOP(30, 17): |
6048 |
check_cp1_64bitmode(ctx); |
6049 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6050 |
gen_op_float_rsqrt1_d(); |
6051 |
GEN_STORE_FTN_FREG(fd, DT2); |
6052 |
opn = "rsqrt1.d";
|
6053 |
break;
|
6054 |
case FOP(31, 17): |
6055 |
check_cp1_64bitmode(ctx); |
6056 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6057 |
GEN_LOAD_FREG_FTN(DT2, ft); |
6058 |
gen_op_float_rsqrt2_d(); |
6059 |
GEN_STORE_FTN_FREG(fd, DT2); |
6060 |
opn = "rsqrt2.d";
|
6061 |
break;
|
6062 |
case FOP(48, 17): |
6063 |
case FOP(49, 17): |
6064 |
case FOP(50, 17): |
6065 |
case FOP(51, 17): |
6066 |
case FOP(52, 17): |
6067 |
case FOP(53, 17): |
6068 |
case FOP(54, 17): |
6069 |
case FOP(55, 17): |
6070 |
case FOP(56, 17): |
6071 |
case FOP(57, 17): |
6072 |
case FOP(58, 17): |
6073 |
case FOP(59, 17): |
6074 |
case FOP(60, 17): |
6075 |
case FOP(61, 17): |
6076 |
case FOP(62, 17): |
6077 |
case FOP(63, 17): |
6078 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6079 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6080 |
if (ctx->opcode & (1 << 6)) { |
6081 |
check_cop1x(ctx); |
6082 |
check_cp1_registers(ctx, fs | ft); |
6083 |
gen_cmpabs_d(func-48, cc);
|
6084 |
opn = condnames_abs[func-48];
|
6085 |
} else {
|
6086 |
check_cp1_registers(ctx, fs | ft); |
6087 |
gen_cmp_d(func-48, cc);
|
6088 |
opn = condnames[func-48];
|
6089 |
} |
6090 |
break;
|
6091 |
case FOP(32, 17): |
6092 |
check_cp1_registers(ctx, fs); |
6093 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6094 |
gen_op_float_cvts_d(); |
6095 |
GEN_STORE_FTN_FREG(fd, WT2); |
6096 |
opn = "cvt.s.d";
|
6097 |
break;
|
6098 |
case FOP(36, 17): |
6099 |
check_cp1_registers(ctx, fs); |
6100 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6101 |
gen_op_float_cvtw_d(); |
6102 |
GEN_STORE_FTN_FREG(fd, WT2); |
6103 |
opn = "cvt.w.d";
|
6104 |
break;
|
6105 |
case FOP(37, 17): |
6106 |
check_cp1_64bitmode(ctx); |
6107 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6108 |
gen_op_float_cvtl_d(); |
6109 |
GEN_STORE_FTN_FREG(fd, DT2); |
6110 |
opn = "cvt.l.d";
|
6111 |
break;
|
6112 |
case FOP(32, 20): |
6113 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6114 |
gen_op_float_cvts_w(); |
6115 |
GEN_STORE_FTN_FREG(fd, WT2); |
6116 |
opn = "cvt.s.w";
|
6117 |
break;
|
6118 |
case FOP(33, 20): |
6119 |
check_cp1_registers(ctx, fd); |
6120 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6121 |
gen_op_float_cvtd_w(); |
6122 |
GEN_STORE_FTN_FREG(fd, DT2); |
6123 |
opn = "cvt.d.w";
|
6124 |
break;
|
6125 |
case FOP(32, 21): |
6126 |
check_cp1_64bitmode(ctx); |
6127 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6128 |
gen_op_float_cvts_l(); |
6129 |
GEN_STORE_FTN_FREG(fd, WT2); |
6130 |
opn = "cvt.s.l";
|
6131 |
break;
|
6132 |
case FOP(33, 21): |
6133 |
check_cp1_64bitmode(ctx); |
6134 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6135 |
gen_op_float_cvtd_l(); |
6136 |
GEN_STORE_FTN_FREG(fd, DT2); |
6137 |
opn = "cvt.d.l";
|
6138 |
break;
|
6139 |
case FOP(38, 20): |
6140 |
check_cp1_64bitmode(ctx); |
6141 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6142 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6143 |
gen_op_float_cvtps_pw(); |
6144 |
GEN_STORE_FTN_FREG(fd, WT2); |
6145 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6146 |
opn = "cvt.ps.pw";
|
6147 |
break;
|
6148 |
case FOP(0, 22): |
6149 |
check_cp1_64bitmode(ctx); |
6150 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6151 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6152 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6153 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6154 |
gen_op_float_add_ps(); |
6155 |
GEN_STORE_FTN_FREG(fd, WT2); |
6156 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6157 |
opn = "add.ps";
|
6158 |
break;
|
6159 |
case FOP(1, 22): |
6160 |
check_cp1_64bitmode(ctx); |
6161 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6162 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6163 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6164 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6165 |
gen_op_float_sub_ps(); |
6166 |
GEN_STORE_FTN_FREG(fd, WT2); |
6167 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6168 |
opn = "sub.ps";
|
6169 |
break;
|
6170 |
case FOP(2, 22): |
6171 |
check_cp1_64bitmode(ctx); |
6172 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6173 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6174 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6175 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6176 |
gen_op_float_mul_ps(); |
6177 |
GEN_STORE_FTN_FREG(fd, WT2); |
6178 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6179 |
opn = "mul.ps";
|
6180 |
break;
|
6181 |
case FOP(5, 22): |
6182 |
check_cp1_64bitmode(ctx); |
6183 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6184 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6185 |
gen_op_float_abs_ps(); |
6186 |
GEN_STORE_FTN_FREG(fd, WT2); |
6187 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6188 |
opn = "abs.ps";
|
6189 |
break;
|
6190 |
case FOP(6, 22): |
6191 |
check_cp1_64bitmode(ctx); |
6192 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6193 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6194 |
gen_op_float_mov_ps(); |
6195 |
GEN_STORE_FTN_FREG(fd, WT2); |
6196 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6197 |
opn = "mov.ps";
|
6198 |
break;
|
6199 |
case FOP(7, 22): |
6200 |
check_cp1_64bitmode(ctx); |
6201 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6202 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6203 |
gen_op_float_chs_ps(); |
6204 |
GEN_STORE_FTN_FREG(fd, WT2); |
6205 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6206 |
opn = "neg.ps";
|
6207 |
break;
|
6208 |
case FOP(17, 22): |
6209 |
check_cp1_64bitmode(ctx); |
6210 |
gen_load_gpr(cpu_T[0], ft);
|
6211 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6212 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6213 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6214 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6215 |
if (ft & 0x1) |
6216 |
gen_op_float_movt_ps ((ft >> 2) & 0x7); |
6217 |
else
|
6218 |
gen_op_float_movf_ps ((ft >> 2) & 0x7); |
6219 |
GEN_STORE_FTN_FREG(fd, WT2); |
6220 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6221 |
opn = "movcf.ps";
|
6222 |
break;
|
6223 |
case FOP(18, 22): |
6224 |
check_cp1_64bitmode(ctx); |
6225 |
gen_load_gpr(cpu_T[0], ft);
|
6226 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6227 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6228 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6229 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6230 |
gen_op_float_movz_ps(); |
6231 |
GEN_STORE_FTN_FREG(fd, WT2); |
6232 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6233 |
opn = "movz.ps";
|
6234 |
break;
|
6235 |
case FOP(19, 22): |
6236 |
check_cp1_64bitmode(ctx); |
6237 |
gen_load_gpr(cpu_T[0], ft);
|
6238 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6239 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6240 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6241 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6242 |
gen_op_float_movn_ps(); |
6243 |
GEN_STORE_FTN_FREG(fd, WT2); |
6244 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6245 |
opn = "movn.ps";
|
6246 |
break;
|
6247 |
case FOP(24, 22): |
6248 |
check_cp1_64bitmode(ctx); |
6249 |
GEN_LOAD_FREG_FTN(WT0, ft); |
6250 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
6251 |
GEN_LOAD_FREG_FTN(WT1, fs); |
6252 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
6253 |
gen_op_float_addr_ps(); |
6254 |
GEN_STORE_FTN_FREG(fd, WT2); |
6255 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6256 |
opn = "addr.ps";
|
6257 |
break;
|
6258 |
case FOP(26, 22): |
6259 |
check_cp1_64bitmode(ctx); |
6260 |
GEN_LOAD_FREG_FTN(WT0, ft); |
6261 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
6262 |
GEN_LOAD_FREG_FTN(WT1, fs); |
6263 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
6264 |
gen_op_float_mulr_ps(); |
6265 |
GEN_STORE_FTN_FREG(fd, WT2); |
6266 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6267 |
opn = "mulr.ps";
|
6268 |
break;
|
6269 |
case FOP(28, 22): |
6270 |
check_cp1_64bitmode(ctx); |
6271 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6272 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6273 |
GEN_LOAD_FREG_FTN(WT2, fd); |
6274 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
6275 |
gen_op_float_recip2_ps(); |
6276 |
GEN_STORE_FTN_FREG(fd, WT2); |
6277 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6278 |
opn = "recip2.ps";
|
6279 |
break;
|
6280 |
case FOP(29, 22): |
6281 |
check_cp1_64bitmode(ctx); |
6282 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6283 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6284 |
gen_op_float_recip1_ps(); |
6285 |
GEN_STORE_FTN_FREG(fd, WT2); |
6286 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6287 |
opn = "recip1.ps";
|
6288 |
break;
|
6289 |
case FOP(30, 22): |
6290 |
check_cp1_64bitmode(ctx); |
6291 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6292 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6293 |
gen_op_float_rsqrt1_ps(); |
6294 |
GEN_STORE_FTN_FREG(fd, WT2); |
6295 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6296 |
opn = "rsqrt1.ps";
|
6297 |
break;
|
6298 |
case FOP(31, 22): |
6299 |
check_cp1_64bitmode(ctx); |
6300 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6301 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6302 |
GEN_LOAD_FREG_FTN(WT2, ft); |
6303 |
GEN_LOAD_FREG_FTN(WTH2, ft); |
6304 |
gen_op_float_rsqrt2_ps(); |
6305 |
GEN_STORE_FTN_FREG(fd, WT2); |
6306 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6307 |
opn = "rsqrt2.ps";
|
6308 |
break;
|
6309 |
case FOP(32, 22): |
6310 |
check_cp1_64bitmode(ctx); |
6311 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6312 |
gen_op_float_cvts_pu(); |
6313 |
GEN_STORE_FTN_FREG(fd, WT2); |
6314 |
opn = "cvt.s.pu";
|
6315 |
break;
|
6316 |
case FOP(36, 22): |
6317 |
check_cp1_64bitmode(ctx); |
6318 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6319 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6320 |
gen_op_float_cvtpw_ps(); |
6321 |
GEN_STORE_FTN_FREG(fd, WT2); |
6322 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6323 |
opn = "cvt.pw.ps";
|
6324 |
break;
|
6325 |
case FOP(40, 22): |
6326 |
check_cp1_64bitmode(ctx); |
6327 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6328 |
gen_op_float_cvts_pl(); |
6329 |
GEN_STORE_FTN_FREG(fd, WT2); |
6330 |
opn = "cvt.s.pl";
|
6331 |
break;
|
6332 |
case FOP(44, 22): |
6333 |
check_cp1_64bitmode(ctx); |
6334 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6335 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6336 |
gen_op_float_pll_ps(); |
6337 |
GEN_STORE_FTN_FREG(fd, DT2); |
6338 |
opn = "pll.ps";
|
6339 |
break;
|
6340 |
case FOP(45, 22): |
6341 |
check_cp1_64bitmode(ctx); |
6342 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6343 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6344 |
gen_op_float_plu_ps(); |
6345 |
GEN_STORE_FTN_FREG(fd, DT2); |
6346 |
opn = "plu.ps";
|
6347 |
break;
|
6348 |
case FOP(46, 22): |
6349 |
check_cp1_64bitmode(ctx); |
6350 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6351 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6352 |
gen_op_float_pul_ps(); |
6353 |
GEN_STORE_FTN_FREG(fd, DT2); |
6354 |
opn = "pul.ps";
|
6355 |
break;
|
6356 |
case FOP(47, 22): |
6357 |
check_cp1_64bitmode(ctx); |
6358 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6359 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6360 |
gen_op_float_puu_ps(); |
6361 |
GEN_STORE_FTN_FREG(fd, DT2); |
6362 |
opn = "puu.ps";
|
6363 |
break;
|
6364 |
case FOP(48, 22): |
6365 |
case FOP(49, 22): |
6366 |
case FOP(50, 22): |
6367 |
case FOP(51, 22): |
6368 |
case FOP(52, 22): |
6369 |
case FOP(53, 22): |
6370 |
case FOP(54, 22): |
6371 |
case FOP(55, 22): |
6372 |
case FOP(56, 22): |
6373 |
case FOP(57, 22): |
6374 |
case FOP(58, 22): |
6375 |
case FOP(59, 22): |
6376 |
case FOP(60, 22): |
6377 |
case FOP(61, 22): |
6378 |
case FOP(62, 22): |
6379 |
case FOP(63, 22): |
6380 |
check_cp1_64bitmode(ctx); |
6381 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6382 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6383 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6384 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6385 |
if (ctx->opcode & (1 << 6)) { |
6386 |
gen_cmpabs_ps(func-48, cc);
|
6387 |
opn = condnames_abs[func-48];
|
6388 |
} else {
|
6389 |
gen_cmp_ps(func-48, cc);
|
6390 |
opn = condnames[func-48];
|
6391 |
} |
6392 |
break;
|
6393 |
default:
|
6394 |
MIPS_INVAL(opn); |
6395 |
generate_exception (ctx, EXCP_RI); |
6396 |
return;
|
6397 |
} |
6398 |
switch (optype) {
|
6399 |
case BINOP:
|
6400 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
6401 |
break;
|
6402 |
case CMPOP:
|
6403 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
6404 |
break;
|
6405 |
default:
|
6406 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
6407 |
break;
|
6408 |
} |
6409 |
} |
6410 |
|
6411 |
/* Coprocessor 3 (FPU) */
|
6412 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
6413 |
int fd, int fs, int base, int index) |
6414 |
{ |
6415 |
const char *opn = "extended float load/store"; |
6416 |
int store = 0; |
6417 |
|
6418 |
if (base == 0) { |
6419 |
gen_load_gpr(cpu_T[0], index);
|
6420 |
} else if (index == 0) { |
6421 |
gen_load_gpr(cpu_T[0], base);
|
6422 |
} else {
|
6423 |
gen_load_gpr(cpu_T[0], base);
|
6424 |
gen_load_gpr(cpu_T[1], index);
|
6425 |
gen_op_addr_add(); |
6426 |
} |
6427 |
/* Don't do NOP if destination is zero: we must perform the actual
|
6428 |
memory access. */
|
6429 |
switch (opc) {
|
6430 |
case OPC_LWXC1:
|
6431 |
check_cop1x(ctx); |
6432 |
op_ldst_lwc1(ctx); |
6433 |
GEN_STORE_FTN_FREG(fd, WT0); |
6434 |
opn = "lwxc1";
|
6435 |
break;
|
6436 |
case OPC_LDXC1:
|
6437 |
check_cop1x(ctx); |
6438 |
check_cp1_registers(ctx, fd); |
6439 |
op_ldst_ldc1(ctx); |
6440 |
GEN_STORE_FTN_FREG(fd, DT0); |
6441 |
opn = "ldxc1";
|
6442 |
break;
|
6443 |
case OPC_LUXC1:
|
6444 |
check_cp1_64bitmode(ctx); |
6445 |
op_ldst(luxc1); |
6446 |
GEN_STORE_FTN_FREG(fd, DT0); |
6447 |
opn = "luxc1";
|
6448 |
break;
|
6449 |
case OPC_SWXC1:
|
6450 |
check_cop1x(ctx); |
6451 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6452 |
op_ldst_swc1(ctx); |
6453 |
opn = "swxc1";
|
6454 |
store = 1;
|
6455 |
break;
|
6456 |
case OPC_SDXC1:
|
6457 |
check_cop1x(ctx); |
6458 |
check_cp1_registers(ctx, fs); |
6459 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6460 |
op_ldst_sdc1(ctx); |
6461 |
opn = "sdxc1";
|
6462 |
store = 1;
|
6463 |
break;
|
6464 |
case OPC_SUXC1:
|
6465 |
check_cp1_64bitmode(ctx); |
6466 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6467 |
op_ldst(suxc1); |
6468 |
opn = "suxc1";
|
6469 |
store = 1;
|
6470 |
break;
|
6471 |
default:
|
6472 |
MIPS_INVAL(opn); |
6473 |
generate_exception(ctx, EXCP_RI); |
6474 |
return;
|
6475 |
} |
6476 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
6477 |
regnames[index], regnames[base]); |
6478 |
} |
6479 |
|
6480 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
6481 |
int fd, int fr, int fs, int ft) |
6482 |
{ |
6483 |
const char *opn = "flt3_arith"; |
6484 |
|
6485 |
switch (opc) {
|
6486 |
case OPC_ALNV_PS:
|
6487 |
check_cp1_64bitmode(ctx); |
6488 |
gen_load_gpr(cpu_T[0], fr);
|
6489 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6490 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6491 |
gen_op_float_alnv_ps(); |
6492 |
GEN_STORE_FTN_FREG(fd, DT2); |
6493 |
opn = "alnv.ps";
|
6494 |
break;
|
6495 |
case OPC_MADD_S:
|
6496 |
check_cop1x(ctx); |
6497 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6498 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6499 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6500 |
gen_op_float_muladd_s(); |
6501 |
GEN_STORE_FTN_FREG(fd, WT2); |
6502 |
opn = "madd.s";
|
6503 |
break;
|
6504 |
case OPC_MADD_D:
|
6505 |
check_cop1x(ctx); |
6506 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6507 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6508 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6509 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6510 |
gen_op_float_muladd_d(); |
6511 |
GEN_STORE_FTN_FREG(fd, DT2); |
6512 |
opn = "madd.d";
|
6513 |
break;
|
6514 |
case OPC_MADD_PS:
|
6515 |
check_cp1_64bitmode(ctx); |
6516 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6517 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6518 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6519 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6520 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6521 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6522 |
gen_op_float_muladd_ps(); |
6523 |
GEN_STORE_FTN_FREG(fd, WT2); |
6524 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6525 |
opn = "madd.ps";
|
6526 |
break;
|
6527 |
case OPC_MSUB_S:
|
6528 |
check_cop1x(ctx); |
6529 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6530 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6531 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6532 |
gen_op_float_mulsub_s(); |
6533 |
GEN_STORE_FTN_FREG(fd, WT2); |
6534 |
opn = "msub.s";
|
6535 |
break;
|
6536 |
case OPC_MSUB_D:
|
6537 |
check_cop1x(ctx); |
6538 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6539 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6540 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6541 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6542 |
gen_op_float_mulsub_d(); |
6543 |
GEN_STORE_FTN_FREG(fd, DT2); |
6544 |
opn = "msub.d";
|
6545 |
break;
|
6546 |
case OPC_MSUB_PS:
|
6547 |
check_cp1_64bitmode(ctx); |
6548 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6549 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6550 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6551 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6552 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6553 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6554 |
gen_op_float_mulsub_ps(); |
6555 |
GEN_STORE_FTN_FREG(fd, WT2); |
6556 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6557 |
opn = "msub.ps";
|
6558 |
break;
|
6559 |
case OPC_NMADD_S:
|
6560 |
check_cop1x(ctx); |
6561 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6562 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6563 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6564 |
gen_op_float_nmuladd_s(); |
6565 |
GEN_STORE_FTN_FREG(fd, WT2); |
6566 |
opn = "nmadd.s";
|
6567 |
break;
|
6568 |
case OPC_NMADD_D:
|
6569 |
check_cop1x(ctx); |
6570 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6571 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6572 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6573 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6574 |
gen_op_float_nmuladd_d(); |
6575 |
GEN_STORE_FTN_FREG(fd, DT2); |
6576 |
opn = "nmadd.d";
|
6577 |
break;
|
6578 |
case OPC_NMADD_PS:
|
6579 |
check_cp1_64bitmode(ctx); |
6580 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6581 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6582 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6583 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6584 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6585 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6586 |
gen_op_float_nmuladd_ps(); |
6587 |
GEN_STORE_FTN_FREG(fd, WT2); |
6588 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6589 |
opn = "nmadd.ps";
|
6590 |
break;
|
6591 |
case OPC_NMSUB_S:
|
6592 |
check_cop1x(ctx); |
6593 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6594 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6595 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6596 |
gen_op_float_nmulsub_s(); |
6597 |
GEN_STORE_FTN_FREG(fd, WT2); |
6598 |
opn = "nmsub.s";
|
6599 |
break;
|
6600 |
case OPC_NMSUB_D:
|
6601 |
check_cop1x(ctx); |
6602 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
6603 |
GEN_LOAD_FREG_FTN(DT0, fs); |
6604 |
GEN_LOAD_FREG_FTN(DT1, ft); |
6605 |
GEN_LOAD_FREG_FTN(DT2, fr); |
6606 |
gen_op_float_nmulsub_d(); |
6607 |
GEN_STORE_FTN_FREG(fd, DT2); |
6608 |
opn = "nmsub.d";
|
6609 |
break;
|
6610 |
case OPC_NMSUB_PS:
|
6611 |
check_cp1_64bitmode(ctx); |
6612 |
GEN_LOAD_FREG_FTN(WT0, fs); |
6613 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
6614 |
GEN_LOAD_FREG_FTN(WT1, ft); |
6615 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
6616 |
GEN_LOAD_FREG_FTN(WT2, fr); |
6617 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
6618 |
gen_op_float_nmulsub_ps(); |
6619 |
GEN_STORE_FTN_FREG(fd, WT2); |
6620 |
GEN_STORE_FTN_FREG(fd, WTH2); |
6621 |
opn = "nmsub.ps";
|
6622 |
break;
|
6623 |
default:
|
6624 |
MIPS_INVAL(opn); |
6625 |
generate_exception (ctx, EXCP_RI); |
6626 |
return;
|
6627 |
} |
6628 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
6629 |
fregnames[fs], fregnames[ft]); |
6630 |
} |
6631 |
|
6632 |
/* ISA extensions (ASEs) */
|
6633 |
/* MIPS16 extension to MIPS32 */
|
6634 |
/* SmartMIPS extension to MIPS32 */
|
6635 |
|
6636 |
#if defined(TARGET_MIPS64)
|
6637 |
|
6638 |
/* MDMX extension to MIPS64 */
|
6639 |
|
6640 |
#endif
|
6641 |
|
6642 |
static void decode_opc (CPUState *env, DisasContext *ctx) |
6643 |
{ |
6644 |
int32_t offset; |
6645 |
int rs, rt, rd, sa;
|
6646 |
uint32_t op, op1, op2; |
6647 |
int16_t imm; |
6648 |
|
6649 |
/* make sure instructions are on a word boundary */
|
6650 |
if (ctx->pc & 0x3) { |
6651 |
env->CP0_BadVAddr = ctx->pc; |
6652 |
generate_exception(ctx, EXCP_AdEL); |
6653 |
return;
|
6654 |
} |
6655 |
|
6656 |
/* Handle blikely not taken case */
|
6657 |
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
|
6658 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
6659 |
int l1 = gen_new_label();
|
6660 |
|
6661 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
6662 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, bcond)); |
6663 |
tcg_gen_brcondi_tl(TCG_COND_NE, r_tmp, 0, l1);
|
6664 |
gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK); |
6665 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
6666 |
gen_set_label(l1); |
6667 |
} |
6668 |
op = MASK_OP_MAJOR(ctx->opcode); |
6669 |
rs = (ctx->opcode >> 21) & 0x1f; |
6670 |
rt = (ctx->opcode >> 16) & 0x1f; |
6671 |
rd = (ctx->opcode >> 11) & 0x1f; |
6672 |
sa = (ctx->opcode >> 6) & 0x1f; |
6673 |
imm = (int16_t)ctx->opcode; |
6674 |
switch (op) {
|
6675 |
case OPC_SPECIAL:
|
6676 |
op1 = MASK_SPECIAL(ctx->opcode); |
6677 |
switch (op1) {
|
6678 |
case OPC_SLL: /* Arithmetic with immediate */ |
6679 |
case OPC_SRL ... OPC_SRA:
|
6680 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
6681 |
break;
|
6682 |
case OPC_MOVZ ... OPC_MOVN:
|
6683 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6684 |
case OPC_SLLV: /* Arithmetic */ |
6685 |
case OPC_SRLV ... OPC_SRAV:
|
6686 |
case OPC_ADD ... OPC_NOR:
|
6687 |
case OPC_SLT ... OPC_SLTU:
|
6688 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6689 |
break;
|
6690 |
case OPC_MULT ... OPC_DIVU:
|
6691 |
if (sa) {
|
6692 |
check_insn(env, ctx, INSN_VR54XX); |
6693 |
op1 = MASK_MUL_VR54XX(ctx->opcode); |
6694 |
gen_mul_vr54xx(ctx, op1, rd, rs, rt); |
6695 |
} else
|
6696 |
gen_muldiv(ctx, op1, rs, rt); |
6697 |
break;
|
6698 |
case OPC_JR ... OPC_JALR:
|
6699 |
gen_compute_branch(ctx, op1, rs, rd, sa); |
6700 |
return;
|
6701 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
6702 |
case OPC_TNE:
|
6703 |
gen_trap(ctx, op1, rs, rt, -1);
|
6704 |
break;
|
6705 |
case OPC_MFHI: /* Move from HI/LO */ |
6706 |
case OPC_MFLO:
|
6707 |
gen_HILO(ctx, op1, rd); |
6708 |
break;
|
6709 |
case OPC_MTHI:
|
6710 |
case OPC_MTLO: /* Move to HI/LO */ |
6711 |
gen_HILO(ctx, op1, rs); |
6712 |
break;
|
6713 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
6714 |
#ifdef MIPS_STRICT_STANDARD
|
6715 |
MIPS_INVAL("PMON / selsl");
|
6716 |
generate_exception(ctx, EXCP_RI); |
6717 |
#else
|
6718 |
gen_op_pmon(sa); |
6719 |
#endif
|
6720 |
break;
|
6721 |
case OPC_SYSCALL:
|
6722 |
generate_exception(ctx, EXCP_SYSCALL); |
6723 |
break;
|
6724 |
case OPC_BREAK:
|
6725 |
generate_exception(ctx, EXCP_BREAK); |
6726 |
break;
|
6727 |
case OPC_SPIM:
|
6728 |
#ifdef MIPS_STRICT_STANDARD
|
6729 |
MIPS_INVAL("SPIM");
|
6730 |
generate_exception(ctx, EXCP_RI); |
6731 |
#else
|
6732 |
/* Implemented as RI exception for now. */
|
6733 |
MIPS_INVAL("spim (unofficial)");
|
6734 |
generate_exception(ctx, EXCP_RI); |
6735 |
#endif
|
6736 |
break;
|
6737 |
case OPC_SYNC:
|
6738 |
/* Treat as NOP. */
|
6739 |
break;
|
6740 |
|
6741 |
case OPC_MOVCI:
|
6742 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
6743 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6744 |
save_cpu_state(ctx, 1);
|
6745 |
check_cp1_enabled(ctx); |
6746 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
6747 |
(ctx->opcode >> 16) & 1); |
6748 |
} else {
|
6749 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6750 |
} |
6751 |
break;
|
6752 |
|
6753 |
#if defined(TARGET_MIPS64)
|
6754 |
/* MIPS64 specific opcodes */
|
6755 |
case OPC_DSLL:
|
6756 |
case OPC_DSRL ... OPC_DSRA:
|
6757 |
case OPC_DSLL32:
|
6758 |
case OPC_DSRL32 ... OPC_DSRA32:
|
6759 |
check_insn(env, ctx, ISA_MIPS3); |
6760 |
check_mips_64(ctx); |
6761 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
6762 |
break;
|
6763 |
case OPC_DSLLV:
|
6764 |
case OPC_DSRLV ... OPC_DSRAV:
|
6765 |
case OPC_DADD ... OPC_DSUBU:
|
6766 |
check_insn(env, ctx, ISA_MIPS3); |
6767 |
check_mips_64(ctx); |
6768 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6769 |
break;
|
6770 |
case OPC_DMULT ... OPC_DDIVU:
|
6771 |
check_insn(env, ctx, ISA_MIPS3); |
6772 |
check_mips_64(ctx); |
6773 |
gen_muldiv(ctx, op1, rs, rt); |
6774 |
break;
|
6775 |
#endif
|
6776 |
default: /* Invalid */ |
6777 |
MIPS_INVAL("special");
|
6778 |
generate_exception(ctx, EXCP_RI); |
6779 |
break;
|
6780 |
} |
6781 |
break;
|
6782 |
case OPC_SPECIAL2:
|
6783 |
op1 = MASK_SPECIAL2(ctx->opcode); |
6784 |
switch (op1) {
|
6785 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
6786 |
case OPC_MSUB ... OPC_MSUBU:
|
6787 |
check_insn(env, ctx, ISA_MIPS32); |
6788 |
gen_muldiv(ctx, op1, rs, rt); |
6789 |
break;
|
6790 |
case OPC_MUL:
|
6791 |
gen_arith(env, ctx, op1, rd, rs, rt); |
6792 |
break;
|
6793 |
case OPC_CLZ ... OPC_CLO:
|
6794 |
check_insn(env, ctx, ISA_MIPS32); |
6795 |
gen_cl(ctx, op1, rd, rs); |
6796 |
break;
|
6797 |
case OPC_SDBBP:
|
6798 |
/* XXX: not clear which exception should be raised
|
6799 |
* when in debug mode...
|
6800 |
*/
|
6801 |
check_insn(env, ctx, ISA_MIPS32); |
6802 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
6803 |
generate_exception(ctx, EXCP_DBp); |
6804 |
} else {
|
6805 |
generate_exception(ctx, EXCP_DBp); |
6806 |
} |
6807 |
/* Treat as NOP. */
|
6808 |
break;
|
6809 |
#if defined(TARGET_MIPS64)
|
6810 |
case OPC_DCLZ ... OPC_DCLO:
|
6811 |
check_insn(env, ctx, ISA_MIPS64); |
6812 |
check_mips_64(ctx); |
6813 |
gen_cl(ctx, op1, rd, rs); |
6814 |
break;
|
6815 |
#endif
|
6816 |
default: /* Invalid */ |
6817 |
MIPS_INVAL("special2");
|
6818 |
generate_exception(ctx, EXCP_RI); |
6819 |
break;
|
6820 |
} |
6821 |
break;
|
6822 |
case OPC_SPECIAL3:
|
6823 |
op1 = MASK_SPECIAL3(ctx->opcode); |
6824 |
switch (op1) {
|
6825 |
case OPC_EXT:
|
6826 |
case OPC_INS:
|
6827 |
check_insn(env, ctx, ISA_MIPS32R2); |
6828 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
6829 |
break;
|
6830 |
case OPC_BSHFL:
|
6831 |
check_insn(env, ctx, ISA_MIPS32R2); |
6832 |
op2 = MASK_BSHFL(ctx->opcode); |
6833 |
switch (op2) {
|
6834 |
case OPC_WSBH:
|
6835 |
gen_load_gpr(cpu_T[1], rt);
|
6836 |
gen_op_wsbh(); |
6837 |
break;
|
6838 |
case OPC_SEB:
|
6839 |
gen_load_gpr(cpu_T[1], rt);
|
6840 |
tcg_gen_ext8s_tl(cpu_T[0], cpu_T[1]); |
6841 |
break;
|
6842 |
case OPC_SEH:
|
6843 |
gen_load_gpr(cpu_T[1], rt);
|
6844 |
tcg_gen_ext16s_tl(cpu_T[0], cpu_T[1]); |
6845 |
break;
|
6846 |
default: /* Invalid */ |
6847 |
MIPS_INVAL("bshfl");
|
6848 |
generate_exception(ctx, EXCP_RI); |
6849 |
break;
|
6850 |
} |
6851 |
gen_store_gpr(cpu_T[0], rd);
|
6852 |
break;
|
6853 |
case OPC_RDHWR:
|
6854 |
check_insn(env, ctx, ISA_MIPS32R2); |
6855 |
switch (rd) {
|
6856 |
case 0: |
6857 |
save_cpu_state(ctx, 1);
|
6858 |
gen_op_rdhwr_cpunum(); |
6859 |
break;
|
6860 |
case 1: |
6861 |
save_cpu_state(ctx, 1);
|
6862 |
gen_op_rdhwr_synci_step(); |
6863 |
break;
|
6864 |
case 2: |
6865 |
save_cpu_state(ctx, 1);
|
6866 |
gen_op_rdhwr_cc(); |
6867 |
break;
|
6868 |
case 3: |
6869 |
save_cpu_state(ctx, 1);
|
6870 |
gen_op_rdhwr_ccres(); |
6871 |
break;
|
6872 |
case 29: |
6873 |
#if defined (CONFIG_USER_ONLY)
|
6874 |
gen_op_tls_value(); |
6875 |
break;
|
6876 |
#endif
|
6877 |
default: /* Invalid */ |
6878 |
MIPS_INVAL("rdhwr");
|
6879 |
generate_exception(ctx, EXCP_RI); |
6880 |
break;
|
6881 |
} |
6882 |
gen_store_gpr(cpu_T[0], rt);
|
6883 |
break;
|
6884 |
case OPC_FORK:
|
6885 |
check_insn(env, ctx, ASE_MT); |
6886 |
gen_load_gpr(cpu_T[0], rt);
|
6887 |
gen_load_gpr(cpu_T[1], rs);
|
6888 |
gen_op_fork(); |
6889 |
break;
|
6890 |
case OPC_YIELD:
|
6891 |
check_insn(env, ctx, ASE_MT); |
6892 |
gen_load_gpr(cpu_T[0], rs);
|
6893 |
gen_op_yield(); |
6894 |
gen_store_gpr(cpu_T[0], rd);
|
6895 |
break;
|
6896 |
#if defined(TARGET_MIPS64)
|
6897 |
case OPC_DEXTM ... OPC_DEXT:
|
6898 |
case OPC_DINSM ... OPC_DINS:
|
6899 |
check_insn(env, ctx, ISA_MIPS64R2); |
6900 |
check_mips_64(ctx); |
6901 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
6902 |
break;
|
6903 |
case OPC_DBSHFL:
|
6904 |
check_insn(env, ctx, ISA_MIPS64R2); |
6905 |
check_mips_64(ctx); |
6906 |
op2 = MASK_DBSHFL(ctx->opcode); |
6907 |
switch (op2) {
|
6908 |
case OPC_DSBH:
|
6909 |
gen_load_gpr(cpu_T[1], rt);
|
6910 |
gen_op_dsbh(); |
6911 |
break;
|
6912 |
case OPC_DSHD:
|
6913 |
gen_load_gpr(cpu_T[1], rt);
|
6914 |
gen_op_dshd(); |
6915 |
break;
|
6916 |
default: /* Invalid */ |
6917 |
MIPS_INVAL("dbshfl");
|
6918 |
generate_exception(ctx, EXCP_RI); |
6919 |
break;
|
6920 |
} |
6921 |
gen_store_gpr(cpu_T[0], rd);
|
6922 |
break;
|
6923 |
#endif
|
6924 |
default: /* Invalid */ |
6925 |
MIPS_INVAL("special3");
|
6926 |
generate_exception(ctx, EXCP_RI); |
6927 |
break;
|
6928 |
} |
6929 |
break;
|
6930 |
case OPC_REGIMM:
|
6931 |
op1 = MASK_REGIMM(ctx->opcode); |
6932 |
switch (op1) {
|
6933 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
6934 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
6935 |
gen_compute_branch(ctx, op1, rs, -1, imm << 2); |
6936 |
return;
|
6937 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
6938 |
case OPC_TNEI:
|
6939 |
gen_trap(ctx, op1, rs, -1, imm);
|
6940 |
break;
|
6941 |
case OPC_SYNCI:
|
6942 |
check_insn(env, ctx, ISA_MIPS32R2); |
6943 |
/* Treat as NOP. */
|
6944 |
break;
|
6945 |
default: /* Invalid */ |
6946 |
MIPS_INVAL("regimm");
|
6947 |
generate_exception(ctx, EXCP_RI); |
6948 |
break;
|
6949 |
} |
6950 |
break;
|
6951 |
case OPC_CP0:
|
6952 |
check_cp0_enabled(ctx); |
6953 |
op1 = MASK_CP0(ctx->opcode); |
6954 |
switch (op1) {
|
6955 |
case OPC_MFC0:
|
6956 |
case OPC_MTC0:
|
6957 |
case OPC_MFTR:
|
6958 |
case OPC_MTTR:
|
6959 |
#if defined(TARGET_MIPS64)
|
6960 |
case OPC_DMFC0:
|
6961 |
case OPC_DMTC0:
|
6962 |
#endif
|
6963 |
gen_cp0(env, ctx, op1, rt, rd); |
6964 |
break;
|
6965 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
6966 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
6967 |
break;
|
6968 |
case OPC_MFMC0:
|
6969 |
op2 = MASK_MFMC0(ctx->opcode); |
6970 |
switch (op2) {
|
6971 |
case OPC_DMT:
|
6972 |
check_insn(env, ctx, ASE_MT); |
6973 |
gen_op_dmt(); |
6974 |
break;
|
6975 |
case OPC_EMT:
|
6976 |
check_insn(env, ctx, ASE_MT); |
6977 |
gen_op_emt(); |
6978 |
break;
|
6979 |
case OPC_DVPE:
|
6980 |
check_insn(env, ctx, ASE_MT); |
6981 |
gen_op_dvpe(); |
6982 |
break;
|
6983 |
case OPC_EVPE:
|
6984 |
check_insn(env, ctx, ASE_MT); |
6985 |
gen_op_evpe(); |
6986 |
break;
|
6987 |
case OPC_DI:
|
6988 |
check_insn(env, ctx, ISA_MIPS32R2); |
6989 |
save_cpu_state(ctx, 1);
|
6990 |
gen_op_di(); |
6991 |
/* Stop translation as we may have switched the execution mode */
|
6992 |
ctx->bstate = BS_STOP; |
6993 |
break;
|
6994 |
case OPC_EI:
|
6995 |
check_insn(env, ctx, ISA_MIPS32R2); |
6996 |
save_cpu_state(ctx, 1);
|
6997 |
gen_op_ei(); |
6998 |
/* Stop translation as we may have switched the execution mode */
|
6999 |
ctx->bstate = BS_STOP; |
7000 |
break;
|
7001 |
default: /* Invalid */ |
7002 |
MIPS_INVAL("mfmc0");
|
7003 |
generate_exception(ctx, EXCP_RI); |
7004 |
break;
|
7005 |
} |
7006 |
gen_store_gpr(cpu_T[0], rt);
|
7007 |
break;
|
7008 |
case OPC_RDPGPR:
|
7009 |
check_insn(env, ctx, ISA_MIPS32R2); |
7010 |
gen_load_srsgpr(cpu_T[0], rt);
|
7011 |
gen_store_gpr(cpu_T[0], rd);
|
7012 |
break;
|
7013 |
case OPC_WRPGPR:
|
7014 |
check_insn(env, ctx, ISA_MIPS32R2); |
7015 |
gen_load_gpr(cpu_T[0], rt);
|
7016 |
gen_store_srsgpr(cpu_T[0], rd);
|
7017 |
break;
|
7018 |
default:
|
7019 |
MIPS_INVAL("cp0");
|
7020 |
generate_exception(ctx, EXCP_RI); |
7021 |
break;
|
7022 |
} |
7023 |
break;
|
7024 |
case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */ |
7025 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
7026 |
break;
|
7027 |
case OPC_J ... OPC_JAL: /* Jump */ |
7028 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
7029 |
gen_compute_branch(ctx, op, rs, rt, offset); |
7030 |
return;
|
7031 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
7032 |
case OPC_BEQL ... OPC_BGTZL:
|
7033 |
gen_compute_branch(ctx, op, rs, rt, imm << 2);
|
7034 |
return;
|
7035 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
7036 |
case OPC_SB ... OPC_SW:
|
7037 |
case OPC_SWR:
|
7038 |
case OPC_LL:
|
7039 |
case OPC_SC:
|
7040 |
gen_ldst(ctx, op, rt, rs, imm); |
7041 |
break;
|
7042 |
case OPC_CACHE:
|
7043 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
7044 |
/* Treat as NOP. */
|
7045 |
break;
|
7046 |
case OPC_PREF:
|
7047 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
7048 |
/* Treat as NOP. */
|
7049 |
break;
|
7050 |
|
7051 |
/* Floating point (COP1). */
|
7052 |
case OPC_LWC1:
|
7053 |
case OPC_LDC1:
|
7054 |
case OPC_SWC1:
|
7055 |
case OPC_SDC1:
|
7056 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
7057 |
save_cpu_state(ctx, 1);
|
7058 |
check_cp1_enabled(ctx); |
7059 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
7060 |
} else {
|
7061 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
7062 |
} |
7063 |
break;
|
7064 |
|
7065 |
case OPC_CP1:
|
7066 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
7067 |
save_cpu_state(ctx, 1);
|
7068 |
check_cp1_enabled(ctx); |
7069 |
op1 = MASK_CP1(ctx->opcode); |
7070 |
switch (op1) {
|
7071 |
case OPC_MFHC1:
|
7072 |
case OPC_MTHC1:
|
7073 |
check_insn(env, ctx, ISA_MIPS32R2); |
7074 |
case OPC_MFC1:
|
7075 |
case OPC_CFC1:
|
7076 |
case OPC_MTC1:
|
7077 |
case OPC_CTC1:
|
7078 |
gen_cp1(ctx, op1, rt, rd); |
7079 |
break;
|
7080 |
#if defined(TARGET_MIPS64)
|
7081 |
case OPC_DMFC1:
|
7082 |
case OPC_DMTC1:
|
7083 |
check_insn(env, ctx, ISA_MIPS3); |
7084 |
gen_cp1(ctx, op1, rt, rd); |
7085 |
break;
|
7086 |
#endif
|
7087 |
case OPC_BC1ANY2:
|
7088 |
case OPC_BC1ANY4:
|
7089 |
check_cop1x(ctx); |
7090 |
check_insn(env, ctx, ASE_MIPS3D); |
7091 |
/* fall through */
|
7092 |
case OPC_BC1:
|
7093 |
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
7094 |
(rt >> 2) & 0x7, imm << 2); |
7095 |
return;
|
7096 |
case OPC_S_FMT:
|
7097 |
case OPC_D_FMT:
|
7098 |
case OPC_W_FMT:
|
7099 |
case OPC_L_FMT:
|
7100 |
case OPC_PS_FMT:
|
7101 |
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, |
7102 |
(imm >> 8) & 0x7); |
7103 |
break;
|
7104 |
default:
|
7105 |
MIPS_INVAL("cp1");
|
7106 |
generate_exception (ctx, EXCP_RI); |
7107 |
break;
|
7108 |
} |
7109 |
} else {
|
7110 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
7111 |
} |
7112 |
break;
|
7113 |
|
7114 |
/* COP2. */
|
7115 |
case OPC_LWC2:
|
7116 |
case OPC_LDC2:
|
7117 |
case OPC_SWC2:
|
7118 |
case OPC_SDC2:
|
7119 |
case OPC_CP2:
|
7120 |
/* COP2: Not implemented. */
|
7121 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
7122 |
break;
|
7123 |
|
7124 |
case OPC_CP3:
|
7125 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
7126 |
save_cpu_state(ctx, 1);
|
7127 |
check_cp1_enabled(ctx); |
7128 |
op1 = MASK_CP3(ctx->opcode); |
7129 |
switch (op1) {
|
7130 |
case OPC_LWXC1:
|
7131 |
case OPC_LDXC1:
|
7132 |
case OPC_LUXC1:
|
7133 |
case OPC_SWXC1:
|
7134 |
case OPC_SDXC1:
|
7135 |
case OPC_SUXC1:
|
7136 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
7137 |
break;
|
7138 |
case OPC_PREFX:
|
7139 |
/* Treat as NOP. */
|
7140 |
break;
|
7141 |
case OPC_ALNV_PS:
|
7142 |
case OPC_MADD_S:
|
7143 |
case OPC_MADD_D:
|
7144 |
case OPC_MADD_PS:
|
7145 |
case OPC_MSUB_S:
|
7146 |
case OPC_MSUB_D:
|
7147 |
case OPC_MSUB_PS:
|
7148 |
case OPC_NMADD_S:
|
7149 |
case OPC_NMADD_D:
|
7150 |
case OPC_NMADD_PS:
|
7151 |
case OPC_NMSUB_S:
|
7152 |
case OPC_NMSUB_D:
|
7153 |
case OPC_NMSUB_PS:
|
7154 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
7155 |
break;
|
7156 |
default:
|
7157 |
MIPS_INVAL("cp3");
|
7158 |
generate_exception (ctx, EXCP_RI); |
7159 |
break;
|
7160 |
} |
7161 |
} else {
|
7162 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
7163 |
} |
7164 |
break;
|
7165 |
|
7166 |
#if defined(TARGET_MIPS64)
|
7167 |
/* MIPS64 opcodes */
|
7168 |
case OPC_LWU:
|
7169 |
case OPC_LDL ... OPC_LDR:
|
7170 |
case OPC_SDL ... OPC_SDR:
|
7171 |
case OPC_LLD:
|
7172 |
case OPC_LD:
|
7173 |
case OPC_SCD:
|
7174 |
case OPC_SD:
|
7175 |
check_insn(env, ctx, ISA_MIPS3); |
7176 |
check_mips_64(ctx); |
7177 |
gen_ldst(ctx, op, rt, rs, imm); |
7178 |
break;
|
7179 |
case OPC_DADDI ... OPC_DADDIU:
|
7180 |
check_insn(env, ctx, ISA_MIPS3); |
7181 |
check_mips_64(ctx); |
7182 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
7183 |
break;
|
7184 |
#endif
|
7185 |
case OPC_JALX:
|
7186 |
check_insn(env, ctx, ASE_MIPS16); |
7187 |
/* MIPS16: Not implemented. */
|
7188 |
case OPC_MDMX:
|
7189 |
check_insn(env, ctx, ASE_MDMX); |
7190 |
/* MDMX: Not implemented. */
|
7191 |
default: /* Invalid */ |
7192 |
MIPS_INVAL("major opcode");
|
7193 |
generate_exception(ctx, EXCP_RI); |
7194 |
break;
|
7195 |
} |
7196 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
7197 |
int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
7198 |
/* Branches completion */
|
7199 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
7200 |
ctx->bstate = BS_BRANCH; |
7201 |
save_cpu_state(ctx, 0);
|
7202 |
switch (hflags) {
|
7203 |
case MIPS_HFLAG_B:
|
7204 |
/* unconditional branch */
|
7205 |
MIPS_DEBUG("unconditional branch");
|
7206 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
7207 |
break;
|
7208 |
case MIPS_HFLAG_BL:
|
7209 |
/* blikely taken case */
|
7210 |
MIPS_DEBUG("blikely branch taken");
|
7211 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
7212 |
break;
|
7213 |
case MIPS_HFLAG_BC:
|
7214 |
/* Conditional branch */
|
7215 |
MIPS_DEBUG("conditional branch");
|
7216 |
{ |
7217 |
TCGv r_tmp = tcg_temp_new(TCG_TYPE_TL); |
7218 |
int l1 = gen_new_label();
|
7219 |
|
7220 |
tcg_gen_ld_tl(r_tmp, cpu_env, offsetof(CPUState, bcond)); |
7221 |
tcg_gen_brcondi_tl(TCG_COND_NE, r_tmp, 0, l1);
|
7222 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
7223 |
gen_set_label(l1); |
7224 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
7225 |
} |
7226 |
break;
|
7227 |
case MIPS_HFLAG_BR:
|
7228 |
/* unconditional branch to register */
|
7229 |
MIPS_DEBUG("branch to register");
|
7230 |
gen_breg_pc(); |
7231 |
tcg_gen_exit_tb(0);
|
7232 |
break;
|
7233 |
default:
|
7234 |
MIPS_DEBUG("unknown branch");
|
7235 |
break;
|
7236 |
} |
7237 |
} |
7238 |
} |
7239 |
|
7240 |
static always_inline int |
7241 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
7242 |
int search_pc)
|
7243 |
{ |
7244 |
DisasContext ctx; |
7245 |
target_ulong pc_start; |
7246 |
uint16_t *gen_opc_end; |
7247 |
int j, lj = -1; |
7248 |
|
7249 |
if (search_pc && loglevel)
|
7250 |
fprintf (logfile, "search pc %d\n", search_pc);
|
7251 |
|
7252 |
num_temps = 0;
|
7253 |
memset(temps, 0, sizeof(temps)); |
7254 |
|
7255 |
num_temps = 0;
|
7256 |
memset(temps, 0, sizeof(temps)); |
7257 |
|
7258 |
pc_start = tb->pc; |
7259 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
7260 |
ctx.pc = pc_start; |
7261 |
ctx.saved_pc = -1;
|
7262 |
ctx.tb = tb; |
7263 |
ctx.bstate = BS_NONE; |
7264 |
/* Restore delay slot state from the tb context. */
|
7265 |
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
|
7266 |
restore_cpu_state(env, &ctx); |
7267 |
#if defined(CONFIG_USER_ONLY)
|
7268 |
ctx.mem_idx = MIPS_HFLAG_UM; |
7269 |
#else
|
7270 |
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
7271 |
#endif
|
7272 |
#ifdef DEBUG_DISAS
|
7273 |
if (loglevel & CPU_LOG_TB_CPU) {
|
7274 |
fprintf(logfile, "------------------------------------------------\n");
|
7275 |
/* FIXME: This may print out stale hflags from env... */
|
7276 |
cpu_dump_state(env, logfile, fprintf, 0);
|
7277 |
} |
7278 |
#endif
|
7279 |
#ifdef MIPS_DEBUG_DISAS
|
7280 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
7281 |
fprintf(logfile, "\ntb %p idx %d hflags %04x\n",
|
7282 |
tb, ctx.mem_idx, ctx.hflags); |
7283 |
#endif
|
7284 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
7285 |
if (env->nb_breakpoints > 0) { |
7286 |
for(j = 0; j < env->nb_breakpoints; j++) { |
7287 |
if (env->breakpoints[j] == ctx.pc) {
|
7288 |
save_cpu_state(&ctx, 1);
|
7289 |
ctx.bstate = BS_BRANCH; |
7290 |
gen_op_debug(); |
7291 |
/* Include the breakpoint location or the tb won't
|
7292 |
* be flushed when it must be. */
|
7293 |
ctx.pc += 4;
|
7294 |
goto done_generating;
|
7295 |
} |
7296 |
} |
7297 |
} |
7298 |
|
7299 |
if (search_pc) {
|
7300 |
j = gen_opc_ptr - gen_opc_buf; |
7301 |
if (lj < j) {
|
7302 |
lj++; |
7303 |
while (lj < j)
|
7304 |
gen_opc_instr_start[lj++] = 0;
|
7305 |
} |
7306 |
gen_opc_pc[lj] = ctx.pc; |
7307 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
7308 |
gen_opc_instr_start[lj] = 1;
|
7309 |
} |
7310 |
ctx.opcode = ldl_code(ctx.pc); |
7311 |
decode_opc(env, &ctx); |
7312 |
if (num_temps) {
|
7313 |
fprintf(stderr, |
7314 |
"Internal resource leak before " TARGET_FMT_lx "\n", |
7315 |
ctx.pc); |
7316 |
num_temps = 0;
|
7317 |
} |
7318 |
ctx.pc += 4;
|
7319 |
|
7320 |
if (env->singlestep_enabled)
|
7321 |
break;
|
7322 |
|
7323 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
7324 |
break;
|
7325 |
|
7326 |
#if defined (MIPS_SINGLE_STEP)
|
7327 |
break;
|
7328 |
#endif
|
7329 |
} |
7330 |
if (env->singlestep_enabled) {
|
7331 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
7332 |
gen_op_debug(); |
7333 |
} else {
|
7334 |
switch (ctx.bstate) {
|
7335 |
case BS_STOP:
|
7336 |
tcg_gen_helper_0_0(do_interrupt_restart); |
7337 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
7338 |
break;
|
7339 |
case BS_NONE:
|
7340 |
save_cpu_state(&ctx, 0);
|
7341 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
7342 |
break;
|
7343 |
case BS_EXCP:
|
7344 |
tcg_gen_helper_0_0(do_interrupt_restart); |
7345 |
tcg_gen_exit_tb(0);
|
7346 |
break;
|
7347 |
case BS_BRANCH:
|
7348 |
default:
|
7349 |
break;
|
7350 |
} |
7351 |
} |
7352 |
done_generating:
|
7353 |
*gen_opc_ptr = INDEX_op_end; |
7354 |
if (search_pc) {
|
7355 |
j = gen_opc_ptr - gen_opc_buf; |
7356 |
lj++; |
7357 |
while (lj <= j)
|
7358 |
gen_opc_instr_start[lj++] = 0;
|
7359 |
} else {
|
7360 |
tb->size = ctx.pc - pc_start; |
7361 |
} |
7362 |
#ifdef DEBUG_DISAS
|
7363 |
#if defined MIPS_DEBUG_DISAS
|
7364 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
7365 |
fprintf(logfile, "\n");
|
7366 |
#endif
|
7367 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
7368 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
7369 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
7370 |
fprintf(logfile, "\n");
|
7371 |
} |
7372 |
if (loglevel & CPU_LOG_TB_CPU) {
|
7373 |
fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
|
7374 |
} |
7375 |
#endif
|
7376 |
|
7377 |
return 0; |
7378 |
} |
7379 |
|
7380 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
7381 |
{ |
7382 |
return gen_intermediate_code_internal(env, tb, 0); |
7383 |
} |
7384 |
|
7385 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
7386 |
{ |
7387 |
return gen_intermediate_code_internal(env, tb, 1); |
7388 |
} |
7389 |
|
7390 |
void fpu_dump_state(CPUState *env, FILE *f,
|
7391 |
int (*fpu_fprintf)(FILE *f, const char *fmt, ...), |
7392 |
int flags)
|
7393 |
{ |
7394 |
int i;
|
7395 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
7396 |
|
7397 |
#define printfpr(fp) \
|
7398 |
do { \
|
7399 |
if (is_fpu64) \
|
7400 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
|
7401 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ |
7402 |
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ |
7403 |
else { \
|
7404 |
fpr_t tmp; \ |
7405 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
7406 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
7407 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
|
7408 |
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ |
7409 |
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ |
7410 |
} \ |
7411 |
} while(0) |
7412 |
|
7413 |
|
7414 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
|
7415 |
env->fpu->fcr0, env->fpu->fcr31, is_fpu64, env->fpu->fp_status, |
7416 |
get_float_exception_flags(&env->fpu->fp_status)); |
7417 |
fpu_fprintf(f, "FT0: "); printfpr(&env->fpu->ft0);
|
7418 |
fpu_fprintf(f, "FT1: "); printfpr(&env->fpu->ft1);
|
7419 |
fpu_fprintf(f, "FT2: "); printfpr(&env->fpu->ft2);
|
7420 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
7421 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
7422 |
printfpr(&env->fpu->fpr[i]); |
7423 |
} |
7424 |
|
7425 |
#undef printfpr
|
7426 |
} |
7427 |
|
7428 |
void dump_fpu (CPUState *env)
|
7429 |
{ |
7430 |
if (loglevel) {
|
7431 |
fprintf(logfile, |
7432 |
"pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx |
7433 |
" LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx |
7434 |
" %04x\n",
|
7435 |
env->PC[env->current_tc], env->HI[env->current_tc][0],
|
7436 |
env->LO[env->current_tc][0], env->hflags, env->btarget,
|
7437 |
env->bcond); |
7438 |
fpu_dump_state(env, logfile, fprintf, 0);
|
7439 |
} |
7440 |
} |
7441 |
|
7442 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
7443 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
7444 |
sign-extened values on 64bit machines. */
|
7445 |
|
7446 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
7447 |
|
7448 |
void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
|
7449 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
7450 |
int flags)
|
7451 |
{ |
7452 |
int i;
|
7453 |
|
7454 |
if (!SIGN_EXT_P(env->PC[env->current_tc]))
|
7455 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC[env->current_tc]); |
7456 |
if (!SIGN_EXT_P(env->HI[env->current_tc][0])) |
7457 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI[env->current_tc][0]); |
7458 |
if (!SIGN_EXT_P(env->LO[env->current_tc][0])) |
7459 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO[env->current_tc][0]); |
7460 |
if (!SIGN_EXT_P(env->btarget))
|
7461 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
7462 |
|
7463 |
for (i = 0; i < 32; i++) { |
7464 |
if (!SIGN_EXT_P(env->gpr[env->current_tc][i]))
|
7465 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[env->current_tc][i]); |
7466 |
} |
7467 |
|
7468 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
7469 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
7470 |
if (!SIGN_EXT_P(env->CP0_LLAddr))
|
7471 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr); |
7472 |
} |
7473 |
#endif
|
7474 |
|
7475 |
void cpu_dump_state (CPUState *env, FILE *f,
|
7476 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
7477 |
int flags)
|
7478 |
{ |
7479 |
int i;
|
7480 |
|
7481 |
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", |
7482 |
env->PC[env->current_tc], env->HI[env->current_tc], env->LO[env->current_tc], env->hflags, env->btarget, env->bcond); |
7483 |
for (i = 0; i < 32; i++) { |
7484 |
if ((i & 3) == 0) |
7485 |
cpu_fprintf(f, "GPR%02d:", i);
|
7486 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[env->current_tc][i]);
|
7487 |
if ((i & 3) == 3) |
7488 |
cpu_fprintf(f, "\n");
|
7489 |
} |
7490 |
|
7491 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
7492 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
7493 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
7494 |
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr); |
7495 |
if (env->hflags & MIPS_HFLAG_FPU)
|
7496 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
7497 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
7498 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
7499 |
#endif
|
7500 |
} |
7501 |
|
7502 |
static void mips_tcg_init(void) |
7503 |
{ |
7504 |
static int inited; |
7505 |
|
7506 |
/* Initialize various static tables. */
|
7507 |
if (inited)
|
7508 |
return;
|
7509 |
|
7510 |
cpu_env = tcg_global_reg_new(TCG_TYPE_PTR, TCG_AREG0, "env");
|
7511 |
current_tc_gprs = tcg_global_mem_new(TCG_TYPE_PTR, |
7512 |
TCG_AREG0, |
7513 |
offsetof(CPUState, current_tc_gprs), |
7514 |
"current_tc_gprs");
|
7515 |
current_tc_hi = tcg_global_mem_new(TCG_TYPE_PTR, |
7516 |
TCG_AREG0, |
7517 |
offsetof(CPUState, current_tc_hi), |
7518 |
"current_tc_hi");
|
7519 |
#if TARGET_LONG_BITS > HOST_LONG_BITS
|
7520 |
cpu_T[0] = tcg_global_mem_new(TCG_TYPE_TL,
|
7521 |
TCG_AREG0, offsetof(CPUState, t0), "T0");
|
7522 |
cpu_T[1] = tcg_global_mem_new(TCG_TYPE_TL,
|
7523 |
TCG_AREG0, offsetof(CPUState, t1), "T1");
|
7524 |
#else
|
7525 |
cpu_T[0] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG1, "T0"); |
7526 |
cpu_T[1] = tcg_global_reg_new(TCG_TYPE_TL, TCG_AREG2, "T1"); |
7527 |
#endif
|
7528 |
|
7529 |
inited = 1;
|
7530 |
} |
7531 |
|
7532 |
#include "translate_init.c" |
7533 |
|
7534 |
CPUMIPSState *cpu_mips_init (const char *cpu_model) |
7535 |
{ |
7536 |
CPUMIPSState *env; |
7537 |
const mips_def_t *def;
|
7538 |
|
7539 |
def = cpu_mips_find_by_name(cpu_model); |
7540 |
if (!def)
|
7541 |
return NULL; |
7542 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
7543 |
if (!env)
|
7544 |
return NULL; |
7545 |
env->cpu_model = def; |
7546 |
|
7547 |
cpu_exec_init(env); |
7548 |
env->cpu_model_str = cpu_model; |
7549 |
mips_tcg_init(); |
7550 |
cpu_reset(env); |
7551 |
return env;
|
7552 |
} |
7553 |
|
7554 |
void cpu_reset (CPUMIPSState *env)
|
7555 |
{ |
7556 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
7557 |
|
7558 |
tlb_flush(env, 1);
|
7559 |
|
7560 |
/* Minimal init */
|
7561 |
#if !defined(CONFIG_USER_ONLY)
|
7562 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
7563 |
/* If the exception was raised from a delay slot,
|
7564 |
* come back to the jump. */
|
7565 |
env->CP0_ErrorEPC = env->PC[env->current_tc] - 4;
|
7566 |
} else {
|
7567 |
env->CP0_ErrorEPC = env->PC[env->current_tc]; |
7568 |
} |
7569 |
env->PC[env->current_tc] = (int32_t)0xBFC00000;
|
7570 |
env->CP0_Wired = 0;
|
7571 |
/* SMP not implemented */
|
7572 |
env->CP0_EBase = 0x80000000;
|
7573 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
7574 |
/* vectored interrupts not implemented, timer on int 7,
|
7575 |
no performance counters. */
|
7576 |
env->CP0_IntCtl = 0xe0000000;
|
7577 |
{ |
7578 |
int i;
|
7579 |
|
7580 |
for (i = 0; i < 7; i++) { |
7581 |
env->CP0_WatchLo[i] = 0;
|
7582 |
env->CP0_WatchHi[i] = 0x80000000;
|
7583 |
} |
7584 |
env->CP0_WatchLo[7] = 0; |
7585 |
env->CP0_WatchHi[7] = 0; |
7586 |
} |
7587 |
/* Count register increments in debug mode, EJTAG version 1 */
|
7588 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
7589 |
#endif
|
7590 |
env->exception_index = EXCP_NONE; |
7591 |
#if defined(CONFIG_USER_ONLY)
|
7592 |
env->hflags = MIPS_HFLAG_UM; |
7593 |
env->user_mode_only = 1;
|
7594 |
#else
|
7595 |
env->hflags = MIPS_HFLAG_CP0; |
7596 |
#endif
|
7597 |
cpu_mips_register(env, env->cpu_model); |
7598 |
} |
7599 |
|
7600 |
void gen_pc_load(CPUState *env, TranslationBlock *tb,
|
7601 |
unsigned long searched_pc, int pc_pos, void *puc) |
7602 |
{ |
7603 |
env->PC[env->current_tc] = gen_opc_pc[pc_pos]; |
7604 |
env->hflags &= ~MIPS_HFLAG_BMASK; |
7605 |
env->hflags |= gen_opc_hflags[pc_pos]; |
7606 |
} |