root / target-mips / translate.c @ 3b46e624
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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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//#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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#ifdef USE_DIRECT_JUMP
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#define TBPARAM(x)
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#else
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#define TBPARAM(x) (long)(x) |
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#endif
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enum {
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#define DEF(s, n, copy_size) INDEX_op_ ## s, |
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#include "opc.h" |
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#undef DEF
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NB_OPS, |
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}; |
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static uint16_t *gen_opc_ptr;
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static uint32_t *gen_opparam_ptr;
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#include "gen-op.h" |
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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,
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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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/* REGIMM (rt field) opcodes */
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#define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16)) |
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enum {
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OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, |
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OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, |
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OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, |
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OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, |
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OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, |
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OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, |
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OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, |
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OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, |
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OPC_TGEI = (0x08 << 16) | OPC_REGIMM, |
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OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, |
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OPC_TLTI = (0x0A << 16) | OPC_REGIMM, |
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OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, |
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OPC_TEQI = (0x0C << 16) | OPC_REGIMM, |
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OPC_TNEI = (0x0E << 16) | OPC_REGIMM, |
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OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, |
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}; |
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/* Special2 opcodes */
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#define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
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enum {
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/* Multiply & xxx operations */
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OPC_MADD = 0x00 | OPC_SPECIAL2,
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OPC_MADDU = 0x01 | OPC_SPECIAL2,
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OPC_MUL = 0x02 | OPC_SPECIAL2,
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OPC_MSUB = 0x04 | OPC_SPECIAL2,
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OPC_MSUBU = 0x05 | OPC_SPECIAL2,
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/* Misc */
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OPC_CLZ = 0x20 | OPC_SPECIAL2,
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OPC_CLO = 0x21 | OPC_SPECIAL2,
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OPC_DCLZ = 0x24 | OPC_SPECIAL2,
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OPC_DCLO = 0x25 | OPC_SPECIAL2,
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/* Special */
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OPC_SDBBP = 0x3F | OPC_SPECIAL2,
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}; |
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/* Special3 opcodes */
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#define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
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enum {
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OPC_EXT = 0x00 | OPC_SPECIAL3,
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OPC_DEXTM = 0x01 | OPC_SPECIAL3,
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OPC_DEXTU = 0x02 | OPC_SPECIAL3,
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OPC_DEXT = 0x03 | OPC_SPECIAL3,
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OPC_INS = 0x04 | OPC_SPECIAL3,
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OPC_DINSM = 0x05 | OPC_SPECIAL3,
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OPC_DINSU = 0x06 | OPC_SPECIAL3,
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OPC_DINS = 0x07 | OPC_SPECIAL3,
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OPC_FORK = 0x08 | OPC_SPECIAL3,
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OPC_YIELD = 0x09 | OPC_SPECIAL3,
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OPC_BSHFL = 0x20 | OPC_SPECIAL3,
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OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
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OPC_RDHWR = 0x3B | OPC_SPECIAL3,
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}; |
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/* BSHFL opcodes */
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#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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enum {
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OPC_WSBH = (0x02 << 6) | OPC_BSHFL, |
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OPC_SEB = (0x10 << 6) | OPC_BSHFL, |
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OPC_SEH = (0x18 << 6) | OPC_BSHFL, |
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}; |
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/* DBSHFL opcodes */
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#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
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enum {
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OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, |
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OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, |
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}; |
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/* Coprocessor 0 (rs field) */
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#define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
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enum {
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OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
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OPC_DMFC0 = (0x01 << 21) | OPC_CP0, |
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OPC_MTC0 = (0x04 << 21) | OPC_CP0, |
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OPC_DMTC0 = (0x05 << 21) | OPC_CP0, |
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OPC_MFTR = (0x08 << 21) | OPC_CP0, |
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OPC_RDPGPR = (0x0A << 21) | OPC_CP0, |
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OPC_MFMC0 = (0x0B << 21) | OPC_CP0, |
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OPC_MTTR = (0x0C << 21) | OPC_CP0, |
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OPC_WRPGPR = (0x0E << 21) | OPC_CP0, |
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OPC_C0 = (0x10 << 21) | OPC_CP0, |
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OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, |
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OPC_C0_LAST = (0x1F << 21) | OPC_CP0, |
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}; |
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|
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/* MFMC0 opcodes */
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#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
313 |
|
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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, |
320 |
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
321 |
}; |
322 |
|
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/* Coprocessor 0 (with rs == C0) */
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#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
325 |
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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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}; |
336 |
|
337 |
/* Coprocessor 1 (rs field) */
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338 |
#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
339 |
|
340 |
enum {
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341 |
OPC_MFC1 = (0x00 << 21) | OPC_CP1, |
342 |
OPC_DMFC1 = (0x01 << 21) | OPC_CP1, |
343 |
OPC_CFC1 = (0x02 << 21) | OPC_CP1, |
344 |
OPC_MFHC1 = (0x03 << 21) | OPC_CP1, |
345 |
OPC_MTC1 = (0x04 << 21) | OPC_CP1, |
346 |
OPC_DMTC1 = (0x05 << 21) | OPC_CP1, |
347 |
OPC_CTC1 = (0x06 << 21) | OPC_CP1, |
348 |
OPC_MTHC1 = (0x07 << 21) | OPC_CP1, |
349 |
OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ |
350 |
OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
351 |
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 */ |
355 |
OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ |
356 |
OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ |
357 |
OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ |
358 |
OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ |
359 |
}; |
360 |
|
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#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
362 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
363 |
|
364 |
enum {
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OPC_BC1F = (0x00 << 16) | OPC_BC1, |
366 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
367 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
368 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
369 |
}; |
370 |
|
371 |
enum {
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OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
373 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
374 |
}; |
375 |
|
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enum {
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OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
378 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
379 |
}; |
380 |
|
381 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
382 |
|
383 |
enum {
|
384 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
385 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
386 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
387 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
388 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
389 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
390 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
391 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
392 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
393 |
}; |
394 |
|
395 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
396 |
|
397 |
enum {
|
398 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
399 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
400 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
401 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
402 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
403 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
404 |
OPC_PREFX = 0x0F | OPC_CP3,
|
405 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
406 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
407 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
408 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
409 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
410 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
411 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
412 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
413 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
414 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
415 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
416 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
417 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
418 |
}; |
419 |
|
420 |
|
421 |
const unsigned char *regnames[] = |
422 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
423 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
424 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
425 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
426 |
|
427 |
/* Warning: no function for r0 register (hard wired to zero) */
|
428 |
#define GEN32(func, NAME) \
|
429 |
static GenOpFunc *NAME ## _table [32] = { \ |
430 |
NULL, NAME ## 1, NAME ## 2, NAME ## 3, \ |
431 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
432 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
433 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
434 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
435 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
436 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
437 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
438 |
}; \ |
439 |
static inline void func(int n) \ |
440 |
{ \ |
441 |
NAME ## _table[n](); \ |
442 |
} |
443 |
|
444 |
/* General purpose registers moves */
|
445 |
GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); |
446 |
GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); |
447 |
GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); |
448 |
|
449 |
GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); |
450 |
GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); |
451 |
|
452 |
/* Moves to/from shadow registers */
|
453 |
GEN32(gen_op_load_srsgpr_T0, gen_op_load_srsgpr_T0_gpr); |
454 |
GEN32(gen_op_store_T0_srsgpr, gen_op_store_T0_srsgpr_gpr); |
455 |
|
456 |
static const char *fregnames[] = |
457 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
458 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
459 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
460 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
461 |
|
462 |
#define FGEN32(func, NAME) \
|
463 |
static GenOpFunc *NAME ## _table [32] = { \ |
464 |
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ |
465 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
466 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
467 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
468 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
469 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
470 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
471 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
472 |
}; \ |
473 |
static inline void func(int n) \ |
474 |
{ \ |
475 |
NAME ## _table[n](); \ |
476 |
} |
477 |
|
478 |
FGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr); |
479 |
FGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr); |
480 |
|
481 |
FGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr); |
482 |
FGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr); |
483 |
|
484 |
FGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr); |
485 |
FGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr); |
486 |
|
487 |
FGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr); |
488 |
FGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr); |
489 |
|
490 |
FGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr); |
491 |
FGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr); |
492 |
|
493 |
FGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr); |
494 |
FGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr); |
495 |
|
496 |
FGEN32(gen_op_load_fpr_WTH0, gen_op_load_fpr_WTH0_fpr); |
497 |
FGEN32(gen_op_store_fpr_WTH0, gen_op_store_fpr_WTH0_fpr); |
498 |
|
499 |
FGEN32(gen_op_load_fpr_WTH1, gen_op_load_fpr_WTH1_fpr); |
500 |
FGEN32(gen_op_store_fpr_WTH1, gen_op_store_fpr_WTH1_fpr); |
501 |
|
502 |
FGEN32(gen_op_load_fpr_WTH2, gen_op_load_fpr_WTH2_fpr); |
503 |
FGEN32(gen_op_store_fpr_WTH2, gen_op_store_fpr_WTH2_fpr); |
504 |
|
505 |
#define FOP_CONDS(type, fmt) \
|
506 |
static GenOpFunc1 * gen_op_cmp ## type ## _ ## fmt ## _table[16] = { \ |
507 |
gen_op_cmp ## type ## _ ## fmt ## _f, \ |
508 |
gen_op_cmp ## type ## _ ## fmt ## _un, \ |
509 |
gen_op_cmp ## type ## _ ## fmt ## _eq, \ |
510 |
gen_op_cmp ## type ## _ ## fmt ## _ueq, \ |
511 |
gen_op_cmp ## type ## _ ## fmt ## _olt, \ |
512 |
gen_op_cmp ## type ## _ ## fmt ## _ult, \ |
513 |
gen_op_cmp ## type ## _ ## fmt ## _ole, \ |
514 |
gen_op_cmp ## type ## _ ## fmt ## _ule, \ |
515 |
gen_op_cmp ## type ## _ ## fmt ## _sf, \ |
516 |
gen_op_cmp ## type ## _ ## fmt ## _ngle, \ |
517 |
gen_op_cmp ## type ## _ ## fmt ## _seq, \ |
518 |
gen_op_cmp ## type ## _ ## fmt ## _ngl, \ |
519 |
gen_op_cmp ## type ## _ ## fmt ## _lt, \ |
520 |
gen_op_cmp ## type ## _ ## fmt ## _nge, \ |
521 |
gen_op_cmp ## type ## _ ## fmt ## _le, \ |
522 |
gen_op_cmp ## type ## _ ## fmt ## _ngt, \ |
523 |
}; \ |
524 |
static inline void gen_cmp ## type ## _ ## fmt(int n, long cc) \ |
525 |
{ \ |
526 |
gen_op_cmp ## type ## _ ## fmt ## _table[n](cc); \ |
527 |
} |
528 |
|
529 |
FOP_CONDS(, d) |
530 |
FOP_CONDS(abs, d) |
531 |
FOP_CONDS(, s) |
532 |
FOP_CONDS(abs, s) |
533 |
FOP_CONDS(, ps) |
534 |
FOP_CONDS(abs, ps) |
535 |
|
536 |
typedef struct DisasContext { |
537 |
struct TranslationBlock *tb;
|
538 |
target_ulong pc, saved_pc; |
539 |
uint32_t opcode; |
540 |
uint32_t fp_status; |
541 |
/* Routine used to access memory */
|
542 |
int mem_idx;
|
543 |
uint32_t hflags, saved_hflags; |
544 |
int bstate;
|
545 |
target_ulong btarget; |
546 |
} DisasContext; |
547 |
|
548 |
enum {
|
549 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
550 |
* exception condition
|
551 |
*/
|
552 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
553 |
BS_BRANCH = 2, /* We reached a branch condition */ |
554 |
BS_EXCP = 3, /* We reached an exception condition */ |
555 |
}; |
556 |
|
557 |
#ifdef MIPS_DEBUG_DISAS
|
558 |
#define MIPS_DEBUG(fmt, args...) \
|
559 |
do { \
|
560 |
if (loglevel & CPU_LOG_TB_IN_ASM) { \
|
561 |
fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \ |
562 |
ctx->pc, ctx->opcode , ##args); \ |
563 |
} \ |
564 |
} while (0) |
565 |
#else
|
566 |
#define MIPS_DEBUG(fmt, args...) do { } while(0) |
567 |
#endif
|
568 |
|
569 |
#define MIPS_INVAL(op) \
|
570 |
do { \
|
571 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
572 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
573 |
} while (0) |
574 |
|
575 |
#define GEN_LOAD_REG_TN(Tn, Rn) \
|
576 |
do { \
|
577 |
if (Rn == 0) { \ |
578 |
glue(gen_op_reset_, Tn)(); \ |
579 |
} else { \
|
580 |
glue(gen_op_load_gpr_, Tn)(Rn); \ |
581 |
} \ |
582 |
} while (0) |
583 |
|
584 |
#define GEN_LOAD_SRSREG_TN(Tn, Rn) \
|
585 |
do { \
|
586 |
if (Rn == 0) { \ |
587 |
glue(gen_op_reset_, Tn)(); \ |
588 |
} else { \
|
589 |
glue(gen_op_load_srsgpr_, Tn)(Rn); \ |
590 |
} \ |
591 |
} while (0) |
592 |
|
593 |
#ifdef TARGET_MIPS64
|
594 |
#define GEN_LOAD_IMM_TN(Tn, Imm) \
|
595 |
do { \
|
596 |
if (Imm == 0) { \ |
597 |
glue(gen_op_reset_, Tn)(); \ |
598 |
} else if ((int32_t)Imm == Imm) { \ |
599 |
glue(gen_op_set_, Tn)(Imm); \ |
600 |
} else { \
|
601 |
glue(gen_op_set64_, Tn)(((uint64_t)Imm) >> 32, (uint32_t)Imm); \
|
602 |
} \ |
603 |
} while (0) |
604 |
#else
|
605 |
#define GEN_LOAD_IMM_TN(Tn, Imm) \
|
606 |
do { \
|
607 |
if (Imm == 0) { \ |
608 |
glue(gen_op_reset_, Tn)(); \ |
609 |
} else { \
|
610 |
glue(gen_op_set_, Tn)(Imm); \ |
611 |
} \ |
612 |
} while (0) |
613 |
#endif
|
614 |
|
615 |
#define GEN_STORE_TN_REG(Rn, Tn) \
|
616 |
do { \
|
617 |
if (Rn != 0) { \ |
618 |
glue(glue(gen_op_store_, Tn),_gpr)(Rn); \ |
619 |
} \ |
620 |
} while (0) |
621 |
|
622 |
#define GEN_STORE_TN_SRSREG(Rn, Tn) \
|
623 |
do { \
|
624 |
if (Rn != 0) { \ |
625 |
glue(glue(gen_op_store_, Tn),_srsgpr)(Rn); \ |
626 |
} \ |
627 |
} while (0) |
628 |
|
629 |
#define GEN_LOAD_FREG_FTN(FTn, Fn) \
|
630 |
do { \
|
631 |
glue(gen_op_load_fpr_, FTn)(Fn); \ |
632 |
} while (0) |
633 |
|
634 |
#define GEN_STORE_FTN_FREG(Fn, FTn) \
|
635 |
do { \
|
636 |
glue(gen_op_store_fpr_, FTn)(Fn); \ |
637 |
} while (0) |
638 |
|
639 |
static inline void gen_save_pc(target_ulong pc) |
640 |
{ |
641 |
#ifdef TARGET_MIPS64
|
642 |
if (pc == (int32_t)pc) {
|
643 |
gen_op_save_pc(pc); |
644 |
} else {
|
645 |
gen_op_save_pc64(pc >> 32, (uint32_t)pc);
|
646 |
} |
647 |
#else
|
648 |
gen_op_save_pc(pc); |
649 |
#endif
|
650 |
} |
651 |
|
652 |
static inline void gen_save_btarget(target_ulong btarget) |
653 |
{ |
654 |
#ifdef TARGET_MIPS64
|
655 |
if (btarget == (int32_t)btarget) {
|
656 |
gen_op_save_btarget(btarget); |
657 |
} else {
|
658 |
gen_op_save_btarget64(btarget >> 32, (uint32_t)btarget);
|
659 |
} |
660 |
#else
|
661 |
gen_op_save_btarget(btarget); |
662 |
#endif
|
663 |
} |
664 |
|
665 |
static inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
666 |
{ |
667 |
#if defined MIPS_DEBUG_DISAS
|
668 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
669 |
fprintf(logfile, "hflags %08x saved %08x\n",
|
670 |
ctx->hflags, ctx->saved_hflags); |
671 |
} |
672 |
#endif
|
673 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
674 |
gen_save_pc(ctx->pc); |
675 |
ctx->saved_pc = ctx->pc; |
676 |
} |
677 |
if (ctx->hflags != ctx->saved_hflags) {
|
678 |
gen_op_save_state(ctx->hflags); |
679 |
ctx->saved_hflags = ctx->hflags; |
680 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
681 |
case MIPS_HFLAG_BR:
|
682 |
gen_op_save_breg_target(); |
683 |
break;
|
684 |
case MIPS_HFLAG_BC:
|
685 |
gen_op_save_bcond(); |
686 |
/* fall through */
|
687 |
case MIPS_HFLAG_BL:
|
688 |
/* bcond was already saved by the BL insn */
|
689 |
/* fall through */
|
690 |
case MIPS_HFLAG_B:
|
691 |
gen_save_btarget(ctx->btarget); |
692 |
break;
|
693 |
} |
694 |
} |
695 |
} |
696 |
|
697 |
static inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
698 |
{ |
699 |
ctx->saved_hflags = ctx->hflags; |
700 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
701 |
case MIPS_HFLAG_BR:
|
702 |
gen_op_restore_breg_target(); |
703 |
break;
|
704 |
case MIPS_HFLAG_B:
|
705 |
ctx->btarget = env->btarget; |
706 |
break;
|
707 |
case MIPS_HFLAG_BC:
|
708 |
case MIPS_HFLAG_BL:
|
709 |
ctx->btarget = env->btarget; |
710 |
gen_op_restore_bcond(); |
711 |
break;
|
712 |
} |
713 |
} |
714 |
|
715 |
static inline void generate_exception_err (DisasContext *ctx, int excp, int err) |
716 |
{ |
717 |
#if defined MIPS_DEBUG_DISAS
|
718 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
719 |
fprintf(logfile, "%s: raise exception %d\n", __func__, excp);
|
720 |
#endif
|
721 |
save_cpu_state(ctx, 1);
|
722 |
if (err == 0) |
723 |
gen_op_raise_exception(excp); |
724 |
else
|
725 |
gen_op_raise_exception_err(excp, err); |
726 |
ctx->bstate = BS_EXCP; |
727 |
} |
728 |
|
729 |
static inline void generate_exception (DisasContext *ctx, int excp) |
730 |
{ |
731 |
generate_exception_err (ctx, excp, 0);
|
732 |
} |
733 |
|
734 |
static inline void check_cp1_enabled(DisasContext *ctx) |
735 |
{ |
736 |
if (!(ctx->hflags & MIPS_HFLAG_FPU))
|
737 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
738 |
} |
739 |
|
740 |
static inline void check_cp1_64bitmode(DisasContext *ctx) |
741 |
{ |
742 |
if (!(ctx->hflags & MIPS_HFLAG_F64))
|
743 |
generate_exception(ctx, EXCP_RI); |
744 |
} |
745 |
|
746 |
/*
|
747 |
* Verify if floating point register is valid; an operation is not defined
|
748 |
* if bit 0 of any register specification is set and the FR bit in the
|
749 |
* Status register equals zero, since the register numbers specify an
|
750 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
751 |
* in the Status register equals one, both even and odd register numbers
|
752 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
753 |
*
|
754 |
* Multiple 64 bit wide registers can be checked by calling
|
755 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
756 |
*/
|
757 |
void check_cp1_registers(DisasContext *ctx, int regs) |
758 |
{ |
759 |
if (!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)) |
760 |
generate_exception(ctx, EXCP_RI); |
761 |
} |
762 |
|
763 |
/* This code generates a "reserved instruction" exception if the
|
764 |
CPU is not a MIPS R2 (or higher) CPU. */
|
765 |
static inline void check_mips_r2(CPUState *env, DisasContext *ctx) |
766 |
{ |
767 |
if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) < (1 << CP0C0_AR)) |
768 |
generate_exception(ctx, EXCP_RI); |
769 |
} |
770 |
|
771 |
/* This code generates a "reserved instruction" exception if the
|
772 |
CPU is not MIPS MT capable. */
|
773 |
static inline void check_mips_mt(CPUState *env, DisasContext *ctx) |
774 |
{ |
775 |
if (!(env->CP0_Config3 & (1 << CP0C3_MT))) |
776 |
generate_exception(ctx, EXCP_RI); |
777 |
} |
778 |
|
779 |
#if defined(CONFIG_USER_ONLY)
|
780 |
#define op_ldst(name) gen_op_##name##_raw() |
781 |
#define OP_LD_TABLE(width)
|
782 |
#define OP_ST_TABLE(width)
|
783 |
#else
|
784 |
#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() |
785 |
#define OP_LD_TABLE(width) \
|
786 |
static GenOpFunc *gen_op_l##width[] = { \ |
787 |
&gen_op_l##width##_user, \ |
788 |
&gen_op_l##width##_kernel, \ |
789 |
} |
790 |
#define OP_ST_TABLE(width) \
|
791 |
static GenOpFunc *gen_op_s##width[] = { \ |
792 |
&gen_op_s##width##_user, \ |
793 |
&gen_op_s##width##_kernel, \ |
794 |
} |
795 |
#endif
|
796 |
|
797 |
#ifdef TARGET_MIPS64
|
798 |
OP_LD_TABLE(d); |
799 |
OP_LD_TABLE(dl); |
800 |
OP_LD_TABLE(dr); |
801 |
OP_ST_TABLE(d); |
802 |
OP_ST_TABLE(dl); |
803 |
OP_ST_TABLE(dr); |
804 |
OP_LD_TABLE(ld); |
805 |
OP_ST_TABLE(cd); |
806 |
OP_LD_TABLE(wu); |
807 |
#endif
|
808 |
OP_LD_TABLE(w); |
809 |
OP_LD_TABLE(wl); |
810 |
OP_LD_TABLE(wr); |
811 |
OP_ST_TABLE(w); |
812 |
OP_ST_TABLE(wl); |
813 |
OP_ST_TABLE(wr); |
814 |
OP_LD_TABLE(h); |
815 |
OP_LD_TABLE(hu); |
816 |
OP_ST_TABLE(h); |
817 |
OP_LD_TABLE(b); |
818 |
OP_LD_TABLE(bu); |
819 |
OP_ST_TABLE(b); |
820 |
OP_LD_TABLE(l); |
821 |
OP_ST_TABLE(c); |
822 |
OP_LD_TABLE(wc1); |
823 |
OP_ST_TABLE(wc1); |
824 |
OP_LD_TABLE(dc1); |
825 |
OP_ST_TABLE(dc1); |
826 |
OP_LD_TABLE(uxc1); |
827 |
OP_ST_TABLE(uxc1); |
828 |
|
829 |
/* Load and store */
|
830 |
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
831 |
int base, int16_t offset)
|
832 |
{ |
833 |
const char *opn = "ldst"; |
834 |
|
835 |
if (base == 0) { |
836 |
GEN_LOAD_IMM_TN(T0, offset); |
837 |
} else if (offset == 0) { |
838 |
gen_op_load_gpr_T0(base); |
839 |
} else {
|
840 |
gen_op_load_gpr_T0(base); |
841 |
gen_op_set_T1(offset); |
842 |
gen_op_addr_add(); |
843 |
} |
844 |
/* Don't do NOP if destination is zero: we must perform the actual
|
845 |
memory access. */
|
846 |
switch (opc) {
|
847 |
#ifdef TARGET_MIPS64
|
848 |
case OPC_LWU:
|
849 |
op_ldst(lwu); |
850 |
GEN_STORE_TN_REG(rt, T0); |
851 |
opn = "lwu";
|
852 |
break;
|
853 |
case OPC_LD:
|
854 |
op_ldst(ld); |
855 |
GEN_STORE_TN_REG(rt, T0); |
856 |
opn = "ld";
|
857 |
break;
|
858 |
case OPC_LLD:
|
859 |
op_ldst(lld); |
860 |
GEN_STORE_TN_REG(rt, T0); |
861 |
opn = "lld";
|
862 |
break;
|
863 |
case OPC_SD:
|
864 |
GEN_LOAD_REG_TN(T1, rt); |
865 |
op_ldst(sd); |
866 |
opn = "sd";
|
867 |
break;
|
868 |
case OPC_SCD:
|
869 |
save_cpu_state(ctx, 1);
|
870 |
GEN_LOAD_REG_TN(T1, rt); |
871 |
op_ldst(scd); |
872 |
GEN_STORE_TN_REG(rt, T0); |
873 |
opn = "scd";
|
874 |
break;
|
875 |
case OPC_LDL:
|
876 |
GEN_LOAD_REG_TN(T1, rt); |
877 |
op_ldst(ldl); |
878 |
GEN_STORE_TN_REG(rt, T0); |
879 |
opn = "ldl";
|
880 |
break;
|
881 |
case OPC_SDL:
|
882 |
GEN_LOAD_REG_TN(T1, rt); |
883 |
op_ldst(sdl); |
884 |
opn = "sdl";
|
885 |
break;
|
886 |
case OPC_LDR:
|
887 |
GEN_LOAD_REG_TN(T1, rt); |
888 |
op_ldst(ldr); |
889 |
GEN_STORE_TN_REG(rt, T0); |
890 |
opn = "ldr";
|
891 |
break;
|
892 |
case OPC_SDR:
|
893 |
GEN_LOAD_REG_TN(T1, rt); |
894 |
op_ldst(sdr); |
895 |
opn = "sdr";
|
896 |
break;
|
897 |
#endif
|
898 |
case OPC_LW:
|
899 |
op_ldst(lw); |
900 |
GEN_STORE_TN_REG(rt, T0); |
901 |
opn = "lw";
|
902 |
break;
|
903 |
case OPC_SW:
|
904 |
GEN_LOAD_REG_TN(T1, rt); |
905 |
op_ldst(sw); |
906 |
opn = "sw";
|
907 |
break;
|
908 |
case OPC_LH:
|
909 |
op_ldst(lh); |
910 |
GEN_STORE_TN_REG(rt, T0); |
911 |
opn = "lh";
|
912 |
break;
|
913 |
case OPC_SH:
|
914 |
GEN_LOAD_REG_TN(T1, rt); |
915 |
op_ldst(sh); |
916 |
opn = "sh";
|
917 |
break;
|
918 |
case OPC_LHU:
|
919 |
op_ldst(lhu); |
920 |
GEN_STORE_TN_REG(rt, T0); |
921 |
opn = "lhu";
|
922 |
break;
|
923 |
case OPC_LB:
|
924 |
op_ldst(lb); |
925 |
GEN_STORE_TN_REG(rt, T0); |
926 |
opn = "lb";
|
927 |
break;
|
928 |
case OPC_SB:
|
929 |
GEN_LOAD_REG_TN(T1, rt); |
930 |
op_ldst(sb); |
931 |
opn = "sb";
|
932 |
break;
|
933 |
case OPC_LBU:
|
934 |
op_ldst(lbu); |
935 |
GEN_STORE_TN_REG(rt, T0); |
936 |
opn = "lbu";
|
937 |
break;
|
938 |
case OPC_LWL:
|
939 |
GEN_LOAD_REG_TN(T1, rt); |
940 |
op_ldst(lwl); |
941 |
GEN_STORE_TN_REG(rt, T0); |
942 |
opn = "lwl";
|
943 |
break;
|
944 |
case OPC_SWL:
|
945 |
GEN_LOAD_REG_TN(T1, rt); |
946 |
op_ldst(swl); |
947 |
opn = "swr";
|
948 |
break;
|
949 |
case OPC_LWR:
|
950 |
GEN_LOAD_REG_TN(T1, rt); |
951 |
op_ldst(lwr); |
952 |
GEN_STORE_TN_REG(rt, T0); |
953 |
opn = "lwr";
|
954 |
break;
|
955 |
case OPC_SWR:
|
956 |
GEN_LOAD_REG_TN(T1, rt); |
957 |
op_ldst(swr); |
958 |
opn = "swr";
|
959 |
break;
|
960 |
case OPC_LL:
|
961 |
op_ldst(ll); |
962 |
GEN_STORE_TN_REG(rt, T0); |
963 |
opn = "ll";
|
964 |
break;
|
965 |
case OPC_SC:
|
966 |
save_cpu_state(ctx, 1);
|
967 |
GEN_LOAD_REG_TN(T1, rt); |
968 |
op_ldst(sc); |
969 |
GEN_STORE_TN_REG(rt, T0); |
970 |
opn = "sc";
|
971 |
break;
|
972 |
default:
|
973 |
MIPS_INVAL(opn); |
974 |
generate_exception(ctx, EXCP_RI); |
975 |
return;
|
976 |
} |
977 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
978 |
} |
979 |
|
980 |
/* Load and store */
|
981 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
982 |
int base, int16_t offset)
|
983 |
{ |
984 |
const char *opn = "flt_ldst"; |
985 |
|
986 |
if (base == 0) { |
987 |
GEN_LOAD_IMM_TN(T0, offset); |
988 |
} else if (offset == 0) { |
989 |
gen_op_load_gpr_T0(base); |
990 |
} else {
|
991 |
gen_op_load_gpr_T0(base); |
992 |
gen_op_set_T1(offset); |
993 |
gen_op_addr_add(); |
994 |
} |
995 |
/* Don't do NOP if destination is zero: we must perform the actual
|
996 |
memory access. */
|
997 |
switch (opc) {
|
998 |
case OPC_LWC1:
|
999 |
op_ldst(lwc1); |
1000 |
GEN_STORE_FTN_FREG(ft, WT0); |
1001 |
opn = "lwc1";
|
1002 |
break;
|
1003 |
case OPC_SWC1:
|
1004 |
GEN_LOAD_FREG_FTN(WT0, ft); |
1005 |
op_ldst(swc1); |
1006 |
opn = "swc1";
|
1007 |
break;
|
1008 |
case OPC_LDC1:
|
1009 |
op_ldst(ldc1); |
1010 |
GEN_STORE_FTN_FREG(ft, DT0); |
1011 |
opn = "ldc1";
|
1012 |
break;
|
1013 |
case OPC_SDC1:
|
1014 |
GEN_LOAD_FREG_FTN(DT0, ft); |
1015 |
op_ldst(sdc1); |
1016 |
opn = "sdc1";
|
1017 |
break;
|
1018 |
default:
|
1019 |
MIPS_INVAL(opn); |
1020 |
generate_exception(ctx, EXCP_RI); |
1021 |
return;
|
1022 |
} |
1023 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
1024 |
} |
1025 |
|
1026 |
/* Arithmetic with immediate operand */
|
1027 |
static void gen_arith_imm (DisasContext *ctx, uint32_t opc, int rt, |
1028 |
int rs, int16_t imm)
|
1029 |
{ |
1030 |
target_ulong uimm; |
1031 |
const char *opn = "imm arith"; |
1032 |
|
1033 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
1034 |
/* If no destination, treat it as a NOP.
|
1035 |
For addi, we must generate the overflow exception when needed. */
|
1036 |
MIPS_DEBUG("NOP");
|
1037 |
return;
|
1038 |
} |
1039 |
uimm = (uint16_t)imm; |
1040 |
switch (opc) {
|
1041 |
case OPC_ADDI:
|
1042 |
case OPC_ADDIU:
|
1043 |
#ifdef TARGET_MIPS64
|
1044 |
case OPC_DADDI:
|
1045 |
case OPC_DADDIU:
|
1046 |
#endif
|
1047 |
case OPC_SLTI:
|
1048 |
case OPC_SLTIU:
|
1049 |
uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
1050 |
/* Fall through. */
|
1051 |
case OPC_ANDI:
|
1052 |
case OPC_ORI:
|
1053 |
case OPC_XORI:
|
1054 |
GEN_LOAD_REG_TN(T0, rs); |
1055 |
GEN_LOAD_IMM_TN(T1, uimm); |
1056 |
break;
|
1057 |
case OPC_LUI:
|
1058 |
GEN_LOAD_IMM_TN(T0, imm << 16);
|
1059 |
break;
|
1060 |
case OPC_SLL:
|
1061 |
case OPC_SRA:
|
1062 |
case OPC_SRL:
|
1063 |
#ifdef TARGET_MIPS64
|
1064 |
case OPC_DSLL:
|
1065 |
case OPC_DSRA:
|
1066 |
case OPC_DSRL:
|
1067 |
case OPC_DSLL32:
|
1068 |
case OPC_DSRA32:
|
1069 |
case OPC_DSRL32:
|
1070 |
#endif
|
1071 |
uimm &= 0x1f;
|
1072 |
GEN_LOAD_REG_TN(T0, rs); |
1073 |
GEN_LOAD_IMM_TN(T1, uimm); |
1074 |
break;
|
1075 |
} |
1076 |
switch (opc) {
|
1077 |
case OPC_ADDI:
|
1078 |
save_cpu_state(ctx, 1);
|
1079 |
gen_op_addo(); |
1080 |
opn = "addi";
|
1081 |
break;
|
1082 |
case OPC_ADDIU:
|
1083 |
gen_op_add(); |
1084 |
opn = "addiu";
|
1085 |
break;
|
1086 |
#ifdef TARGET_MIPS64
|
1087 |
case OPC_DADDI:
|
1088 |
save_cpu_state(ctx, 1);
|
1089 |
gen_op_daddo(); |
1090 |
opn = "daddi";
|
1091 |
break;
|
1092 |
case OPC_DADDIU:
|
1093 |
gen_op_dadd(); |
1094 |
opn = "daddiu";
|
1095 |
break;
|
1096 |
#endif
|
1097 |
case OPC_SLTI:
|
1098 |
gen_op_lt(); |
1099 |
opn = "slti";
|
1100 |
break;
|
1101 |
case OPC_SLTIU:
|
1102 |
gen_op_ltu(); |
1103 |
opn = "sltiu";
|
1104 |
break;
|
1105 |
case OPC_ANDI:
|
1106 |
gen_op_and(); |
1107 |
opn = "andi";
|
1108 |
break;
|
1109 |
case OPC_ORI:
|
1110 |
gen_op_or(); |
1111 |
opn = "ori";
|
1112 |
break;
|
1113 |
case OPC_XORI:
|
1114 |
gen_op_xor(); |
1115 |
opn = "xori";
|
1116 |
break;
|
1117 |
case OPC_LUI:
|
1118 |
opn = "lui";
|
1119 |
break;
|
1120 |
case OPC_SLL:
|
1121 |
gen_op_sll(); |
1122 |
opn = "sll";
|
1123 |
break;
|
1124 |
case OPC_SRA:
|
1125 |
gen_op_sra(); |
1126 |
opn = "sra";
|
1127 |
break;
|
1128 |
case OPC_SRL:
|
1129 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1130 |
case 0: |
1131 |
gen_op_srl(); |
1132 |
opn = "srl";
|
1133 |
break;
|
1134 |
case 1: |
1135 |
gen_op_rotr(); |
1136 |
opn = "rotr";
|
1137 |
break;
|
1138 |
default:
|
1139 |
MIPS_INVAL("invalid srl flag");
|
1140 |
generate_exception(ctx, EXCP_RI); |
1141 |
break;
|
1142 |
} |
1143 |
break;
|
1144 |
#ifdef TARGET_MIPS64
|
1145 |
case OPC_DSLL:
|
1146 |
gen_op_dsll(); |
1147 |
opn = "dsll";
|
1148 |
break;
|
1149 |
case OPC_DSRA:
|
1150 |
gen_op_dsra(); |
1151 |
opn = "dsra";
|
1152 |
break;
|
1153 |
case OPC_DSRL:
|
1154 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1155 |
case 0: |
1156 |
gen_op_dsrl(); |
1157 |
opn = "dsrl";
|
1158 |
break;
|
1159 |
case 1: |
1160 |
gen_op_drotr(); |
1161 |
opn = "drotr";
|
1162 |
break;
|
1163 |
default:
|
1164 |
MIPS_INVAL("invalid dsrl flag");
|
1165 |
generate_exception(ctx, EXCP_RI); |
1166 |
break;
|
1167 |
} |
1168 |
break;
|
1169 |
case OPC_DSLL32:
|
1170 |
gen_op_dsll32(); |
1171 |
opn = "dsll32";
|
1172 |
break;
|
1173 |
case OPC_DSRA32:
|
1174 |
gen_op_dsra32(); |
1175 |
opn = "dsra32";
|
1176 |
break;
|
1177 |
case OPC_DSRL32:
|
1178 |
switch ((ctx->opcode >> 21) & 0x1f) { |
1179 |
case 0: |
1180 |
gen_op_dsrl32(); |
1181 |
opn = "dsrl32";
|
1182 |
break;
|
1183 |
case 1: |
1184 |
gen_op_drotr32(); |
1185 |
opn = "drotr32";
|
1186 |
break;
|
1187 |
default:
|
1188 |
MIPS_INVAL("invalid dsrl32 flag");
|
1189 |
generate_exception(ctx, EXCP_RI); |
1190 |
break;
|
1191 |
} |
1192 |
break;
|
1193 |
#endif
|
1194 |
default:
|
1195 |
MIPS_INVAL(opn); |
1196 |
generate_exception(ctx, EXCP_RI); |
1197 |
return;
|
1198 |
} |
1199 |
GEN_STORE_TN_REG(rt, T0); |
1200 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
1201 |
} |
1202 |
|
1203 |
/* Arithmetic */
|
1204 |
static void gen_arith (DisasContext *ctx, uint32_t opc, |
1205 |
int rd, int rs, int rt) |
1206 |
{ |
1207 |
const char *opn = "arith"; |
1208 |
|
1209 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
1210 |
&& opc != OPC_DADD && opc != OPC_DSUB) { |
1211 |
/* If no destination, treat it as a NOP.
|
1212 |
For add & sub, we must generate the overflow exception when needed. */
|
1213 |
MIPS_DEBUG("NOP");
|
1214 |
return;
|
1215 |
} |
1216 |
GEN_LOAD_REG_TN(T0, rs); |
1217 |
GEN_LOAD_REG_TN(T1, rt); |
1218 |
switch (opc) {
|
1219 |
case OPC_ADD:
|
1220 |
save_cpu_state(ctx, 1);
|
1221 |
gen_op_addo(); |
1222 |
opn = "add";
|
1223 |
break;
|
1224 |
case OPC_ADDU:
|
1225 |
gen_op_add(); |
1226 |
opn = "addu";
|
1227 |
break;
|
1228 |
case OPC_SUB:
|
1229 |
save_cpu_state(ctx, 1);
|
1230 |
gen_op_subo(); |
1231 |
opn = "sub";
|
1232 |
break;
|
1233 |
case OPC_SUBU:
|
1234 |
gen_op_sub(); |
1235 |
opn = "subu";
|
1236 |
break;
|
1237 |
#ifdef TARGET_MIPS64
|
1238 |
case OPC_DADD:
|
1239 |
save_cpu_state(ctx, 1);
|
1240 |
gen_op_daddo(); |
1241 |
opn = "dadd";
|
1242 |
break;
|
1243 |
case OPC_DADDU:
|
1244 |
gen_op_dadd(); |
1245 |
opn = "daddu";
|
1246 |
break;
|
1247 |
case OPC_DSUB:
|
1248 |
save_cpu_state(ctx, 1);
|
1249 |
gen_op_dsubo(); |
1250 |
opn = "dsub";
|
1251 |
break;
|
1252 |
case OPC_DSUBU:
|
1253 |
gen_op_dsub(); |
1254 |
opn = "dsubu";
|
1255 |
break;
|
1256 |
#endif
|
1257 |
case OPC_SLT:
|
1258 |
gen_op_lt(); |
1259 |
opn = "slt";
|
1260 |
break;
|
1261 |
case OPC_SLTU:
|
1262 |
gen_op_ltu(); |
1263 |
opn = "sltu";
|
1264 |
break;
|
1265 |
case OPC_AND:
|
1266 |
gen_op_and(); |
1267 |
opn = "and";
|
1268 |
break;
|
1269 |
case OPC_NOR:
|
1270 |
gen_op_nor(); |
1271 |
opn = "nor";
|
1272 |
break;
|
1273 |
case OPC_OR:
|
1274 |
gen_op_or(); |
1275 |
opn = "or";
|
1276 |
break;
|
1277 |
case OPC_XOR:
|
1278 |
gen_op_xor(); |
1279 |
opn = "xor";
|
1280 |
break;
|
1281 |
case OPC_MUL:
|
1282 |
gen_op_mul(); |
1283 |
opn = "mul";
|
1284 |
break;
|
1285 |
case OPC_MOVN:
|
1286 |
gen_op_movn(rd); |
1287 |
opn = "movn";
|
1288 |
goto print;
|
1289 |
case OPC_MOVZ:
|
1290 |
gen_op_movz(rd); |
1291 |
opn = "movz";
|
1292 |
goto print;
|
1293 |
case OPC_SLLV:
|
1294 |
gen_op_sllv(); |
1295 |
opn = "sllv";
|
1296 |
break;
|
1297 |
case OPC_SRAV:
|
1298 |
gen_op_srav(); |
1299 |
opn = "srav";
|
1300 |
break;
|
1301 |
case OPC_SRLV:
|
1302 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1303 |
case 0: |
1304 |
gen_op_srlv(); |
1305 |
opn = "srlv";
|
1306 |
break;
|
1307 |
case 1: |
1308 |
gen_op_rotrv(); |
1309 |
opn = "rotrv";
|
1310 |
break;
|
1311 |
default:
|
1312 |
MIPS_INVAL("invalid srlv flag");
|
1313 |
generate_exception(ctx, EXCP_RI); |
1314 |
break;
|
1315 |
} |
1316 |
break;
|
1317 |
#ifdef TARGET_MIPS64
|
1318 |
case OPC_DSLLV:
|
1319 |
gen_op_dsllv(); |
1320 |
opn = "dsllv";
|
1321 |
break;
|
1322 |
case OPC_DSRAV:
|
1323 |
gen_op_dsrav(); |
1324 |
opn = "dsrav";
|
1325 |
break;
|
1326 |
case OPC_DSRLV:
|
1327 |
switch ((ctx->opcode >> 6) & 0x1f) { |
1328 |
case 0: |
1329 |
gen_op_dsrlv(); |
1330 |
opn = "dsrlv";
|
1331 |
break;
|
1332 |
case 1: |
1333 |
gen_op_drotrv(); |
1334 |
opn = "drotrv";
|
1335 |
break;
|
1336 |
default:
|
1337 |
MIPS_INVAL("invalid dsrlv flag");
|
1338 |
generate_exception(ctx, EXCP_RI); |
1339 |
break;
|
1340 |
} |
1341 |
break;
|
1342 |
#endif
|
1343 |
default:
|
1344 |
MIPS_INVAL(opn); |
1345 |
generate_exception(ctx, EXCP_RI); |
1346 |
return;
|
1347 |
} |
1348 |
GEN_STORE_TN_REG(rd, T0); |
1349 |
print:
|
1350 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
1351 |
} |
1352 |
|
1353 |
/* Arithmetic on HI/LO registers */
|
1354 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
1355 |
{ |
1356 |
const char *opn = "hilo"; |
1357 |
|
1358 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
1359 |
/* Treat as NOP. */
|
1360 |
MIPS_DEBUG("NOP");
|
1361 |
return;
|
1362 |
} |
1363 |
switch (opc) {
|
1364 |
case OPC_MFHI:
|
1365 |
gen_op_load_HI(0);
|
1366 |
GEN_STORE_TN_REG(reg, T0); |
1367 |
opn = "mfhi";
|
1368 |
break;
|
1369 |
case OPC_MFLO:
|
1370 |
gen_op_load_LO(0);
|
1371 |
GEN_STORE_TN_REG(reg, T0); |
1372 |
opn = "mflo";
|
1373 |
break;
|
1374 |
case OPC_MTHI:
|
1375 |
GEN_LOAD_REG_TN(T0, reg); |
1376 |
gen_op_store_HI(0);
|
1377 |
opn = "mthi";
|
1378 |
break;
|
1379 |
case OPC_MTLO:
|
1380 |
GEN_LOAD_REG_TN(T0, reg); |
1381 |
gen_op_store_LO(0);
|
1382 |
opn = "mtlo";
|
1383 |
break;
|
1384 |
default:
|
1385 |
MIPS_INVAL(opn); |
1386 |
generate_exception(ctx, EXCP_RI); |
1387 |
return;
|
1388 |
} |
1389 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
1390 |
} |
1391 |
|
1392 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
1393 |
int rs, int rt) |
1394 |
{ |
1395 |
const char *opn = "mul/div"; |
1396 |
|
1397 |
GEN_LOAD_REG_TN(T0, rs); |
1398 |
GEN_LOAD_REG_TN(T1, rt); |
1399 |
switch (opc) {
|
1400 |
case OPC_DIV:
|
1401 |
gen_op_div(); |
1402 |
opn = "div";
|
1403 |
break;
|
1404 |
case OPC_DIVU:
|
1405 |
gen_op_divu(); |
1406 |
opn = "divu";
|
1407 |
break;
|
1408 |
case OPC_MULT:
|
1409 |
gen_op_mult(); |
1410 |
opn = "mult";
|
1411 |
break;
|
1412 |
case OPC_MULTU:
|
1413 |
gen_op_multu(); |
1414 |
opn = "multu";
|
1415 |
break;
|
1416 |
#ifdef TARGET_MIPS64
|
1417 |
case OPC_DDIV:
|
1418 |
gen_op_ddiv(); |
1419 |
opn = "ddiv";
|
1420 |
break;
|
1421 |
case OPC_DDIVU:
|
1422 |
gen_op_ddivu(); |
1423 |
opn = "ddivu";
|
1424 |
break;
|
1425 |
case OPC_DMULT:
|
1426 |
gen_op_dmult(); |
1427 |
opn = "dmult";
|
1428 |
break;
|
1429 |
case OPC_DMULTU:
|
1430 |
gen_op_dmultu(); |
1431 |
opn = "dmultu";
|
1432 |
break;
|
1433 |
#endif
|
1434 |
case OPC_MADD:
|
1435 |
gen_op_madd(); |
1436 |
opn = "madd";
|
1437 |
break;
|
1438 |
case OPC_MADDU:
|
1439 |
gen_op_maddu(); |
1440 |
opn = "maddu";
|
1441 |
break;
|
1442 |
case OPC_MSUB:
|
1443 |
gen_op_msub(); |
1444 |
opn = "msub";
|
1445 |
break;
|
1446 |
case OPC_MSUBU:
|
1447 |
gen_op_msubu(); |
1448 |
opn = "msubu";
|
1449 |
break;
|
1450 |
default:
|
1451 |
MIPS_INVAL(opn); |
1452 |
generate_exception(ctx, EXCP_RI); |
1453 |
return;
|
1454 |
} |
1455 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
1456 |
} |
1457 |
|
1458 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
1459 |
int rd, int rs) |
1460 |
{ |
1461 |
const char *opn = "CLx"; |
1462 |
if (rd == 0) { |
1463 |
/* Treat as NOP. */
|
1464 |
MIPS_DEBUG("NOP");
|
1465 |
return;
|
1466 |
} |
1467 |
GEN_LOAD_REG_TN(T0, rs); |
1468 |
switch (opc) {
|
1469 |
case OPC_CLO:
|
1470 |
gen_op_clo(); |
1471 |
opn = "clo";
|
1472 |
break;
|
1473 |
case OPC_CLZ:
|
1474 |
gen_op_clz(); |
1475 |
opn = "clz";
|
1476 |
break;
|
1477 |
#ifdef TARGET_MIPS64
|
1478 |
case OPC_DCLO:
|
1479 |
gen_op_dclo(); |
1480 |
opn = "dclo";
|
1481 |
break;
|
1482 |
case OPC_DCLZ:
|
1483 |
gen_op_dclz(); |
1484 |
opn = "dclz";
|
1485 |
break;
|
1486 |
#endif
|
1487 |
default:
|
1488 |
MIPS_INVAL(opn); |
1489 |
generate_exception(ctx, EXCP_RI); |
1490 |
return;
|
1491 |
} |
1492 |
gen_op_store_T0_gpr(rd); |
1493 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
1494 |
} |
1495 |
|
1496 |
/* Traps */
|
1497 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
1498 |
int rs, int rt, int16_t imm) |
1499 |
{ |
1500 |
int cond;
|
1501 |
|
1502 |
cond = 0;
|
1503 |
/* Load needed operands */
|
1504 |
switch (opc) {
|
1505 |
case OPC_TEQ:
|
1506 |
case OPC_TGE:
|
1507 |
case OPC_TGEU:
|
1508 |
case OPC_TLT:
|
1509 |
case OPC_TLTU:
|
1510 |
case OPC_TNE:
|
1511 |
/* Compare two registers */
|
1512 |
if (rs != rt) {
|
1513 |
GEN_LOAD_REG_TN(T0, rs); |
1514 |
GEN_LOAD_REG_TN(T1, rt); |
1515 |
cond = 1;
|
1516 |
} |
1517 |
break;
|
1518 |
case OPC_TEQI:
|
1519 |
case OPC_TGEI:
|
1520 |
case OPC_TGEIU:
|
1521 |
case OPC_TLTI:
|
1522 |
case OPC_TLTIU:
|
1523 |
case OPC_TNEI:
|
1524 |
/* Compare register to immediate */
|
1525 |
if (rs != 0 || imm != 0) { |
1526 |
GEN_LOAD_REG_TN(T0, rs); |
1527 |
GEN_LOAD_IMM_TN(T1, (int32_t)imm); |
1528 |
cond = 1;
|
1529 |
} |
1530 |
break;
|
1531 |
} |
1532 |
if (cond == 0) { |
1533 |
switch (opc) {
|
1534 |
case OPC_TEQ: /* rs == rs */ |
1535 |
case OPC_TEQI: /* r0 == 0 */ |
1536 |
case OPC_TGE: /* rs >= rs */ |
1537 |
case OPC_TGEI: /* r0 >= 0 */ |
1538 |
case OPC_TGEU: /* rs >= rs unsigned */ |
1539 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
1540 |
/* Always trap */
|
1541 |
gen_op_set_T0(1);
|
1542 |
break;
|
1543 |
case OPC_TLT: /* rs < rs */ |
1544 |
case OPC_TLTI: /* r0 < 0 */ |
1545 |
case OPC_TLTU: /* rs < rs unsigned */ |
1546 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
1547 |
case OPC_TNE: /* rs != rs */ |
1548 |
case OPC_TNEI: /* r0 != 0 */ |
1549 |
/* Never trap: treat as NOP. */
|
1550 |
return;
|
1551 |
default:
|
1552 |
MIPS_INVAL("trap");
|
1553 |
generate_exception(ctx, EXCP_RI); |
1554 |
return;
|
1555 |
} |
1556 |
} else {
|
1557 |
switch (opc) {
|
1558 |
case OPC_TEQ:
|
1559 |
case OPC_TEQI:
|
1560 |
gen_op_eq(); |
1561 |
break;
|
1562 |
case OPC_TGE:
|
1563 |
case OPC_TGEI:
|
1564 |
gen_op_ge(); |
1565 |
break;
|
1566 |
case OPC_TGEU:
|
1567 |
case OPC_TGEIU:
|
1568 |
gen_op_geu(); |
1569 |
break;
|
1570 |
case OPC_TLT:
|
1571 |
case OPC_TLTI:
|
1572 |
gen_op_lt(); |
1573 |
break;
|
1574 |
case OPC_TLTU:
|
1575 |
case OPC_TLTIU:
|
1576 |
gen_op_ltu(); |
1577 |
break;
|
1578 |
case OPC_TNE:
|
1579 |
case OPC_TNEI:
|
1580 |
gen_op_ne(); |
1581 |
break;
|
1582 |
default:
|
1583 |
MIPS_INVAL("trap");
|
1584 |
generate_exception(ctx, EXCP_RI); |
1585 |
return;
|
1586 |
} |
1587 |
} |
1588 |
save_cpu_state(ctx, 1);
|
1589 |
gen_op_trap(); |
1590 |
ctx->bstate = BS_STOP; |
1591 |
} |
1592 |
|
1593 |
static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
1594 |
{ |
1595 |
TranslationBlock *tb; |
1596 |
tb = ctx->tb; |
1597 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
|
1598 |
if (n == 0) |
1599 |
gen_op_goto_tb0(TBPARAM(tb)); |
1600 |
else
|
1601 |
gen_op_goto_tb1(TBPARAM(tb)); |
1602 |
gen_save_pc(dest); |
1603 |
gen_op_set_T0((long)tb + n);
|
1604 |
} else {
|
1605 |
gen_save_pc(dest); |
1606 |
gen_op_reset_T0(); |
1607 |
} |
1608 |
gen_op_exit_tb(); |
1609 |
} |
1610 |
|
1611 |
/* Branches (before delay slot) */
|
1612 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
1613 |
int rs, int rt, int32_t offset) |
1614 |
{ |
1615 |
target_ulong btarget = -1;
|
1616 |
int blink = 0; |
1617 |
int bcond = 0; |
1618 |
|
1619 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
1620 |
#ifdef MIPS_DEBUG_DISAS
|
1621 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
1622 |
fprintf(logfile, |
1623 |
"Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", |
1624 |
ctx->pc); |
1625 |
} |
1626 |
#endif
|
1627 |
generate_exception(ctx, EXCP_RI); |
1628 |
return;
|
1629 |
} |
1630 |
|
1631 |
/* Load needed operands */
|
1632 |
switch (opc) {
|
1633 |
case OPC_BEQ:
|
1634 |
case OPC_BEQL:
|
1635 |
case OPC_BNE:
|
1636 |
case OPC_BNEL:
|
1637 |
/* Compare two registers */
|
1638 |
if (rs != rt) {
|
1639 |
GEN_LOAD_REG_TN(T0, rs); |
1640 |
GEN_LOAD_REG_TN(T1, rt); |
1641 |
bcond = 1;
|
1642 |
} |
1643 |
btarget = ctx->pc + 4 + offset;
|
1644 |
break;
|
1645 |
case OPC_BGEZ:
|
1646 |
case OPC_BGEZAL:
|
1647 |
case OPC_BGEZALL:
|
1648 |
case OPC_BGEZL:
|
1649 |
case OPC_BGTZ:
|
1650 |
case OPC_BGTZL:
|
1651 |
case OPC_BLEZ:
|
1652 |
case OPC_BLEZL:
|
1653 |
case OPC_BLTZ:
|
1654 |
case OPC_BLTZAL:
|
1655 |
case OPC_BLTZALL:
|
1656 |
case OPC_BLTZL:
|
1657 |
/* Compare to zero */
|
1658 |
if (rs != 0) { |
1659 |
gen_op_load_gpr_T0(rs); |
1660 |
bcond = 1;
|
1661 |
} |
1662 |
btarget = ctx->pc + 4 + offset;
|
1663 |
break;
|
1664 |
case OPC_J:
|
1665 |
case OPC_JAL:
|
1666 |
/* Jump to immediate */
|
1667 |
btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; |
1668 |
break;
|
1669 |
case OPC_JR:
|
1670 |
case OPC_JALR:
|
1671 |
/* Jump to register */
|
1672 |
if (offset != 0 && offset != 16) { |
1673 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
1674 |
others are reserved. */
|
1675 |
MIPS_INVAL("jump hint");
|
1676 |
generate_exception(ctx, EXCP_RI); |
1677 |
return;
|
1678 |
} |
1679 |
GEN_LOAD_REG_TN(T2, rs); |
1680 |
break;
|
1681 |
default:
|
1682 |
MIPS_INVAL("branch/jump");
|
1683 |
generate_exception(ctx, EXCP_RI); |
1684 |
return;
|
1685 |
} |
1686 |
if (bcond == 0) { |
1687 |
/* No condition to be computed */
|
1688 |
switch (opc) {
|
1689 |
case OPC_BEQ: /* rx == rx */ |
1690 |
case OPC_BEQL: /* rx == rx likely */ |
1691 |
case OPC_BGEZ: /* 0 >= 0 */ |
1692 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
1693 |
case OPC_BLEZ: /* 0 <= 0 */ |
1694 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
1695 |
/* Always take */
|
1696 |
ctx->hflags |= MIPS_HFLAG_B; |
1697 |
MIPS_DEBUG("balways");
|
1698 |
break;
|
1699 |
case OPC_BGEZAL: /* 0 >= 0 */ |
1700 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
1701 |
/* Always take and link */
|
1702 |
blink = 31;
|
1703 |
ctx->hflags |= MIPS_HFLAG_B; |
1704 |
MIPS_DEBUG("balways and link");
|
1705 |
break;
|
1706 |
case OPC_BNE: /* rx != rx */ |
1707 |
case OPC_BGTZ: /* 0 > 0 */ |
1708 |
case OPC_BLTZ: /* 0 < 0 */ |
1709 |
/* Treat as NOP. */
|
1710 |
MIPS_DEBUG("bnever (NOP)");
|
1711 |
return;
|
1712 |
case OPC_BLTZAL: /* 0 < 0 */ |
1713 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
1714 |
gen_op_store_T0_gpr(31);
|
1715 |
MIPS_DEBUG("bnever and link");
|
1716 |
return;
|
1717 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
1718 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
1719 |
gen_op_store_T0_gpr(31);
|
1720 |
/* Skip the instruction in the delay slot */
|
1721 |
MIPS_DEBUG("bnever, link and skip");
|
1722 |
ctx->pc += 4;
|
1723 |
return;
|
1724 |
case OPC_BNEL: /* rx != rx likely */ |
1725 |
case OPC_BGTZL: /* 0 > 0 likely */ |
1726 |
case OPC_BLTZL: /* 0 < 0 likely */ |
1727 |
/* Skip the instruction in the delay slot */
|
1728 |
MIPS_DEBUG("bnever and skip");
|
1729 |
ctx->pc += 4;
|
1730 |
return;
|
1731 |
case OPC_J:
|
1732 |
ctx->hflags |= MIPS_HFLAG_B; |
1733 |
MIPS_DEBUG("j " TARGET_FMT_lx, btarget);
|
1734 |
break;
|
1735 |
case OPC_JAL:
|
1736 |
blink = 31;
|
1737 |
ctx->hflags |= MIPS_HFLAG_B; |
1738 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btarget);
|
1739 |
break;
|
1740 |
case OPC_JR:
|
1741 |
ctx->hflags |= MIPS_HFLAG_BR; |
1742 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
1743 |
break;
|
1744 |
case OPC_JALR:
|
1745 |
blink = rt; |
1746 |
ctx->hflags |= MIPS_HFLAG_BR; |
1747 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
1748 |
break;
|
1749 |
default:
|
1750 |
MIPS_INVAL("branch/jump");
|
1751 |
generate_exception(ctx, EXCP_RI); |
1752 |
return;
|
1753 |
} |
1754 |
} else {
|
1755 |
switch (opc) {
|
1756 |
case OPC_BEQ:
|
1757 |
gen_op_eq(); |
1758 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
1759 |
regnames[rs], regnames[rt], btarget); |
1760 |
goto not_likely;
|
1761 |
case OPC_BEQL:
|
1762 |
gen_op_eq(); |
1763 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
1764 |
regnames[rs], regnames[rt], btarget); |
1765 |
goto likely;
|
1766 |
case OPC_BNE:
|
1767 |
gen_op_ne(); |
1768 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
1769 |
regnames[rs], regnames[rt], btarget); |
1770 |
goto not_likely;
|
1771 |
case OPC_BNEL:
|
1772 |
gen_op_ne(); |
1773 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
1774 |
regnames[rs], regnames[rt], btarget); |
1775 |
goto likely;
|
1776 |
case OPC_BGEZ:
|
1777 |
gen_op_gez(); |
1778 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1779 |
goto not_likely;
|
1780 |
case OPC_BGEZL:
|
1781 |
gen_op_gez(); |
1782 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1783 |
goto likely;
|
1784 |
case OPC_BGEZAL:
|
1785 |
gen_op_gez(); |
1786 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1787 |
blink = 31;
|
1788 |
goto not_likely;
|
1789 |
case OPC_BGEZALL:
|
1790 |
gen_op_gez(); |
1791 |
blink = 31;
|
1792 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1793 |
goto likely;
|
1794 |
case OPC_BGTZ:
|
1795 |
gen_op_gtz(); |
1796 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1797 |
goto not_likely;
|
1798 |
case OPC_BGTZL:
|
1799 |
gen_op_gtz(); |
1800 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1801 |
goto likely;
|
1802 |
case OPC_BLEZ:
|
1803 |
gen_op_lez(); |
1804 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1805 |
goto not_likely;
|
1806 |
case OPC_BLEZL:
|
1807 |
gen_op_lez(); |
1808 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1809 |
goto likely;
|
1810 |
case OPC_BLTZ:
|
1811 |
gen_op_ltz(); |
1812 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1813 |
goto not_likely;
|
1814 |
case OPC_BLTZL:
|
1815 |
gen_op_ltz(); |
1816 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1817 |
goto likely;
|
1818 |
case OPC_BLTZAL:
|
1819 |
gen_op_ltz(); |
1820 |
blink = 31;
|
1821 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1822 |
not_likely:
|
1823 |
ctx->hflags |= MIPS_HFLAG_BC; |
1824 |
gen_op_set_bcond(); |
1825 |
break;
|
1826 |
case OPC_BLTZALL:
|
1827 |
gen_op_ltz(); |
1828 |
blink = 31;
|
1829 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
1830 |
likely:
|
1831 |
ctx->hflags |= MIPS_HFLAG_BL; |
1832 |
gen_op_set_bcond(); |
1833 |
gen_op_save_bcond(); |
1834 |
break;
|
1835 |
default:
|
1836 |
MIPS_INVAL("conditional branch/jump");
|
1837 |
generate_exception(ctx, EXCP_RI); |
1838 |
return;
|
1839 |
} |
1840 |
} |
1841 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
1842 |
blink, ctx->hflags, btarget); |
1843 |
|
1844 |
ctx->btarget = btarget; |
1845 |
if (blink > 0) { |
1846 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
1847 |
gen_op_store_T0_gpr(blink); |
1848 |
} |
1849 |
} |
1850 |
|
1851 |
/* special3 bitfield operations */
|
1852 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
1853 |
int rs, int lsb, int msb) |
1854 |
{ |
1855 |
GEN_LOAD_REG_TN(T1, rs); |
1856 |
switch (opc) {
|
1857 |
case OPC_EXT:
|
1858 |
if (lsb + msb > 31) |
1859 |
goto fail;
|
1860 |
gen_op_ext(lsb, msb + 1);
|
1861 |
break;
|
1862 |
case OPC_DEXTM:
|
1863 |
if (lsb + msb > 63) |
1864 |
goto fail;
|
1865 |
gen_op_ext(lsb, msb + 1 + 32); |
1866 |
break;
|
1867 |
case OPC_DEXTU:
|
1868 |
if (lsb + msb > 63) |
1869 |
goto fail;
|
1870 |
gen_op_ext(lsb + 32, msb + 1); |
1871 |
break;
|
1872 |
case OPC_DEXT:
|
1873 |
gen_op_ext(lsb, msb + 1);
|
1874 |
break;
|
1875 |
case OPC_INS:
|
1876 |
if (lsb > msb)
|
1877 |
goto fail;
|
1878 |
GEN_LOAD_REG_TN(T0, rt); |
1879 |
gen_op_ins(lsb, msb - lsb + 1);
|
1880 |
break;
|
1881 |
case OPC_DINSM:
|
1882 |
if (lsb > msb)
|
1883 |
goto fail;
|
1884 |
GEN_LOAD_REG_TN(T0, rt); |
1885 |
gen_op_ins(lsb, msb - lsb + 1 + 32); |
1886 |
break;
|
1887 |
case OPC_DINSU:
|
1888 |
if (lsb > msb)
|
1889 |
goto fail;
|
1890 |
GEN_LOAD_REG_TN(T0, rt); |
1891 |
gen_op_ins(lsb + 32, msb - lsb + 1); |
1892 |
break;
|
1893 |
case OPC_DINS:
|
1894 |
if (lsb > msb)
|
1895 |
goto fail;
|
1896 |
GEN_LOAD_REG_TN(T0, rt); |
1897 |
gen_op_ins(lsb, msb - lsb + 1);
|
1898 |
break;
|
1899 |
default:
|
1900 |
fail:
|
1901 |
MIPS_INVAL("bitops");
|
1902 |
generate_exception(ctx, EXCP_RI); |
1903 |
return;
|
1904 |
} |
1905 |
GEN_STORE_TN_REG(rt, T0); |
1906 |
} |
1907 |
|
1908 |
/* CP0 (MMU and control) */
|
1909 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
1910 |
{ |
1911 |
const char *rn = "invalid"; |
1912 |
|
1913 |
switch (reg) {
|
1914 |
case 0: |
1915 |
switch (sel) {
|
1916 |
case 0: |
1917 |
gen_op_mfc0_index(); |
1918 |
rn = "Index";
|
1919 |
break;
|
1920 |
case 1: |
1921 |
check_mips_mt(env, ctx); |
1922 |
gen_op_mfc0_mvpcontrol(); |
1923 |
rn = "MVPControl";
|
1924 |
break;
|
1925 |
case 2: |
1926 |
check_mips_mt(env, ctx); |
1927 |
gen_op_mfc0_mvpconf0(); |
1928 |
rn = "MVPConf0";
|
1929 |
break;
|
1930 |
case 3: |
1931 |
check_mips_mt(env, ctx); |
1932 |
gen_op_mfc0_mvpconf1(); |
1933 |
rn = "MVPConf1";
|
1934 |
break;
|
1935 |
default:
|
1936 |
goto die;
|
1937 |
} |
1938 |
break;
|
1939 |
case 1: |
1940 |
switch (sel) {
|
1941 |
case 0: |
1942 |
gen_op_mfc0_random(); |
1943 |
rn = "Random";
|
1944 |
break;
|
1945 |
case 1: |
1946 |
check_mips_mt(env, ctx); |
1947 |
gen_op_mfc0_vpecontrol(); |
1948 |
rn = "VPEControl";
|
1949 |
break;
|
1950 |
case 2: |
1951 |
check_mips_mt(env, ctx); |
1952 |
gen_op_mfc0_vpeconf0(); |
1953 |
rn = "VPEConf0";
|
1954 |
break;
|
1955 |
case 3: |
1956 |
check_mips_mt(env, ctx); |
1957 |
gen_op_mfc0_vpeconf1(); |
1958 |
rn = "VPEConf1";
|
1959 |
break;
|
1960 |
case 4: |
1961 |
check_mips_mt(env, ctx); |
1962 |
gen_op_mfc0_yqmask(); |
1963 |
rn = "YQMask";
|
1964 |
break;
|
1965 |
case 5: |
1966 |
check_mips_mt(env, ctx); |
1967 |
gen_op_mfc0_vpeschedule(); |
1968 |
rn = "VPESchedule";
|
1969 |
break;
|
1970 |
case 6: |
1971 |
check_mips_mt(env, ctx); |
1972 |
gen_op_mfc0_vpeschefback(); |
1973 |
rn = "VPEScheFBack";
|
1974 |
break;
|
1975 |
case 7: |
1976 |
check_mips_mt(env, ctx); |
1977 |
gen_op_mfc0_vpeopt(); |
1978 |
rn = "VPEOpt";
|
1979 |
break;
|
1980 |
default:
|
1981 |
goto die;
|
1982 |
} |
1983 |
break;
|
1984 |
case 2: |
1985 |
switch (sel) {
|
1986 |
case 0: |
1987 |
gen_op_mfc0_entrylo0(); |
1988 |
rn = "EntryLo0";
|
1989 |
break;
|
1990 |
case 1: |
1991 |
check_mips_mt(env, ctx); |
1992 |
gen_op_mfc0_tcstatus(); |
1993 |
rn = "TCStatus";
|
1994 |
break;
|
1995 |
case 2: |
1996 |
check_mips_mt(env, ctx); |
1997 |
gen_op_mfc0_tcbind(); |
1998 |
rn = "TCBind";
|
1999 |
break;
|
2000 |
case 3: |
2001 |
check_mips_mt(env, ctx); |
2002 |
gen_op_mfc0_tcrestart(); |
2003 |
rn = "TCRestart";
|
2004 |
break;
|
2005 |
case 4: |
2006 |
check_mips_mt(env, ctx); |
2007 |
gen_op_mfc0_tchalt(); |
2008 |
rn = "TCHalt";
|
2009 |
break;
|
2010 |
case 5: |
2011 |
check_mips_mt(env, ctx); |
2012 |
gen_op_mfc0_tccontext(); |
2013 |
rn = "TCContext";
|
2014 |
break;
|
2015 |
case 6: |
2016 |
check_mips_mt(env, ctx); |
2017 |
gen_op_mfc0_tcschedule(); |
2018 |
rn = "TCSchedule";
|
2019 |
break;
|
2020 |
case 7: |
2021 |
check_mips_mt(env, ctx); |
2022 |
gen_op_mfc0_tcschefback(); |
2023 |
rn = "TCScheFBack";
|
2024 |
break;
|
2025 |
default:
|
2026 |
goto die;
|
2027 |
} |
2028 |
break;
|
2029 |
case 3: |
2030 |
switch (sel) {
|
2031 |
case 0: |
2032 |
gen_op_mfc0_entrylo1(); |
2033 |
rn = "EntryLo1";
|
2034 |
break;
|
2035 |
default:
|
2036 |
goto die;
|
2037 |
} |
2038 |
break;
|
2039 |
case 4: |
2040 |
switch (sel) {
|
2041 |
case 0: |
2042 |
gen_op_mfc0_context(); |
2043 |
rn = "Context";
|
2044 |
break;
|
2045 |
case 1: |
2046 |
// gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
|
2047 |
rn = "ContextConfig";
|
2048 |
// break;
|
2049 |
default:
|
2050 |
goto die;
|
2051 |
} |
2052 |
break;
|
2053 |
case 5: |
2054 |
switch (sel) {
|
2055 |
case 0: |
2056 |
gen_op_mfc0_pagemask(); |
2057 |
rn = "PageMask";
|
2058 |
break;
|
2059 |
case 1: |
2060 |
check_mips_r2(env, ctx); |
2061 |
gen_op_mfc0_pagegrain(); |
2062 |
rn = "PageGrain";
|
2063 |
break;
|
2064 |
default:
|
2065 |
goto die;
|
2066 |
} |
2067 |
break;
|
2068 |
case 6: |
2069 |
switch (sel) {
|
2070 |
case 0: |
2071 |
gen_op_mfc0_wired(); |
2072 |
rn = "Wired";
|
2073 |
break;
|
2074 |
case 1: |
2075 |
gen_op_mfc0_srsconf0(); |
2076 |
rn = "SRSConf0";
|
2077 |
break;
|
2078 |
case 2: |
2079 |
gen_op_mfc0_srsconf1(); |
2080 |
rn = "SRSConf1";
|
2081 |
break;
|
2082 |
case 3: |
2083 |
gen_op_mfc0_srsconf2(); |
2084 |
rn = "SRSConf2";
|
2085 |
break;
|
2086 |
case 4: |
2087 |
gen_op_mfc0_srsconf3(); |
2088 |
rn = "SRSConf3";
|
2089 |
break;
|
2090 |
case 5: |
2091 |
gen_op_mfc0_srsconf4(); |
2092 |
rn = "SRSConf4";
|
2093 |
break;
|
2094 |
default:
|
2095 |
goto die;
|
2096 |
} |
2097 |
break;
|
2098 |
case 7: |
2099 |
switch (sel) {
|
2100 |
case 0: |
2101 |
check_mips_r2(env, ctx); |
2102 |
gen_op_mfc0_hwrena(); |
2103 |
rn = "HWREna";
|
2104 |
break;
|
2105 |
default:
|
2106 |
goto die;
|
2107 |
} |
2108 |
break;
|
2109 |
case 8: |
2110 |
switch (sel) {
|
2111 |
case 0: |
2112 |
gen_op_mfc0_badvaddr(); |
2113 |
rn = "BadVaddr";
|
2114 |
break;
|
2115 |
default:
|
2116 |
goto die;
|
2117 |
} |
2118 |
break;
|
2119 |
case 9: |
2120 |
switch (sel) {
|
2121 |
case 0: |
2122 |
gen_op_mfc0_count(); |
2123 |
rn = "Count";
|
2124 |
break;
|
2125 |
/* 6,7 are implementation dependent */
|
2126 |
default:
|
2127 |
goto die;
|
2128 |
} |
2129 |
break;
|
2130 |
case 10: |
2131 |
switch (sel) {
|
2132 |
case 0: |
2133 |
gen_op_mfc0_entryhi(); |
2134 |
rn = "EntryHi";
|
2135 |
break;
|
2136 |
default:
|
2137 |
goto die;
|
2138 |
} |
2139 |
break;
|
2140 |
case 11: |
2141 |
switch (sel) {
|
2142 |
case 0: |
2143 |
gen_op_mfc0_compare(); |
2144 |
rn = "Compare";
|
2145 |
break;
|
2146 |
/* 6,7 are implementation dependent */
|
2147 |
default:
|
2148 |
goto die;
|
2149 |
} |
2150 |
break;
|
2151 |
case 12: |
2152 |
switch (sel) {
|
2153 |
case 0: |
2154 |
gen_op_mfc0_status(); |
2155 |
rn = "Status";
|
2156 |
break;
|
2157 |
case 1: |
2158 |
check_mips_r2(env, ctx); |
2159 |
gen_op_mfc0_intctl(); |
2160 |
rn = "IntCtl";
|
2161 |
break;
|
2162 |
case 2: |
2163 |
check_mips_r2(env, ctx); |
2164 |
gen_op_mfc0_srsctl(); |
2165 |
rn = "SRSCtl";
|
2166 |
break;
|
2167 |
case 3: |
2168 |
check_mips_r2(env, ctx); |
2169 |
gen_op_mfc0_srsmap(); |
2170 |
rn = "SRSMap";
|
2171 |
break;
|
2172 |
default:
|
2173 |
goto die;
|
2174 |
} |
2175 |
break;
|
2176 |
case 13: |
2177 |
switch (sel) {
|
2178 |
case 0: |
2179 |
gen_op_mfc0_cause(); |
2180 |
rn = "Cause";
|
2181 |
break;
|
2182 |
default:
|
2183 |
goto die;
|
2184 |
} |
2185 |
break;
|
2186 |
case 14: |
2187 |
switch (sel) {
|
2188 |
case 0: |
2189 |
gen_op_mfc0_epc(); |
2190 |
rn = "EPC";
|
2191 |
break;
|
2192 |
default:
|
2193 |
goto die;
|
2194 |
} |
2195 |
break;
|
2196 |
case 15: |
2197 |
switch (sel) {
|
2198 |
case 0: |
2199 |
gen_op_mfc0_prid(); |
2200 |
rn = "PRid";
|
2201 |
break;
|
2202 |
case 1: |
2203 |
check_mips_r2(env, ctx); |
2204 |
gen_op_mfc0_ebase(); |
2205 |
rn = "EBase";
|
2206 |
break;
|
2207 |
default:
|
2208 |
goto die;
|
2209 |
} |
2210 |
break;
|
2211 |
case 16: |
2212 |
switch (sel) {
|
2213 |
case 0: |
2214 |
gen_op_mfc0_config0(); |
2215 |
rn = "Config";
|
2216 |
break;
|
2217 |
case 1: |
2218 |
gen_op_mfc0_config1(); |
2219 |
rn = "Config1";
|
2220 |
break;
|
2221 |
case 2: |
2222 |
gen_op_mfc0_config2(); |
2223 |
rn = "Config2";
|
2224 |
break;
|
2225 |
case 3: |
2226 |
gen_op_mfc0_config3(); |
2227 |
rn = "Config3";
|
2228 |
break;
|
2229 |
/* 4,5 are reserved */
|
2230 |
/* 6,7 are implementation dependent */
|
2231 |
case 6: |
2232 |
gen_op_mfc0_config6(); |
2233 |
rn = "Config6";
|
2234 |
break;
|
2235 |
case 7: |
2236 |
gen_op_mfc0_config7(); |
2237 |
rn = "Config7";
|
2238 |
break;
|
2239 |
default:
|
2240 |
goto die;
|
2241 |
} |
2242 |
break;
|
2243 |
case 17: |
2244 |
switch (sel) {
|
2245 |
case 0: |
2246 |
gen_op_mfc0_lladdr(); |
2247 |
rn = "LLAddr";
|
2248 |
break;
|
2249 |
default:
|
2250 |
goto die;
|
2251 |
} |
2252 |
break;
|
2253 |
case 18: |
2254 |
switch (sel) {
|
2255 |
case 0 ... 7: |
2256 |
gen_op_mfc0_watchlo(sel); |
2257 |
rn = "WatchLo";
|
2258 |
break;
|
2259 |
default:
|
2260 |
goto die;
|
2261 |
} |
2262 |
break;
|
2263 |
case 19: |
2264 |
switch (sel) {
|
2265 |
case 0 ...7: |
2266 |
gen_op_mfc0_watchhi(sel); |
2267 |
rn = "WatchHi";
|
2268 |
break;
|
2269 |
default:
|
2270 |
goto die;
|
2271 |
} |
2272 |
break;
|
2273 |
case 20: |
2274 |
switch (sel) {
|
2275 |
case 0: |
2276 |
#ifdef TARGET_MIPS64
|
2277 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
2278 |
goto die;
|
2279 |
gen_op_mfc0_xcontext(); |
2280 |
rn = "XContext";
|
2281 |
break;
|
2282 |
#endif
|
2283 |
default:
|
2284 |
goto die;
|
2285 |
} |
2286 |
break;
|
2287 |
case 21: |
2288 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
2289 |
switch (sel) {
|
2290 |
case 0: |
2291 |
gen_op_mfc0_framemask(); |
2292 |
rn = "Framemask";
|
2293 |
break;
|
2294 |
default:
|
2295 |
goto die;
|
2296 |
} |
2297 |
break;
|
2298 |
case 22: |
2299 |
/* ignored */
|
2300 |
rn = "'Diagnostic"; /* implementation dependent */ |
2301 |
break;
|
2302 |
case 23: |
2303 |
switch (sel) {
|
2304 |
case 0: |
2305 |
gen_op_mfc0_debug(); /* EJTAG support */
|
2306 |
rn = "Debug";
|
2307 |
break;
|
2308 |
case 1: |
2309 |
// gen_op_mfc0_tracecontrol(); /* PDtrace support */
|
2310 |
rn = "TraceControl";
|
2311 |
// break;
|
2312 |
case 2: |
2313 |
// gen_op_mfc0_tracecontrol2(); /* PDtrace support */
|
2314 |
rn = "TraceControl2";
|
2315 |
// break;
|
2316 |
case 3: |
2317 |
// gen_op_mfc0_usertracedata(); /* PDtrace support */
|
2318 |
rn = "UserTraceData";
|
2319 |
// break;
|
2320 |
case 4: |
2321 |
// gen_op_mfc0_debug(); /* PDtrace support */
|
2322 |
rn = "TraceBPC";
|
2323 |
// break;
|
2324 |
default:
|
2325 |
goto die;
|
2326 |
} |
2327 |
break;
|
2328 |
case 24: |
2329 |
switch (sel) {
|
2330 |
case 0: |
2331 |
gen_op_mfc0_depc(); /* EJTAG support */
|
2332 |
rn = "DEPC";
|
2333 |
break;
|
2334 |
default:
|
2335 |
goto die;
|
2336 |
} |
2337 |
break;
|
2338 |
case 25: |
2339 |
switch (sel) {
|
2340 |
case 0: |
2341 |
gen_op_mfc0_performance0(); |
2342 |
rn = "Performance0";
|
2343 |
break;
|
2344 |
case 1: |
2345 |
// gen_op_mfc0_performance1();
|
2346 |
rn = "Performance1";
|
2347 |
// break;
|
2348 |
case 2: |
2349 |
// gen_op_mfc0_performance2();
|
2350 |
rn = "Performance2";
|
2351 |
// break;
|
2352 |
case 3: |
2353 |
// gen_op_mfc0_performance3();
|
2354 |
rn = "Performance3";
|
2355 |
// break;
|
2356 |
case 4: |
2357 |
// gen_op_mfc0_performance4();
|
2358 |
rn = "Performance4";
|
2359 |
// break;
|
2360 |
case 5: |
2361 |
// gen_op_mfc0_performance5();
|
2362 |
rn = "Performance5";
|
2363 |
// break;
|
2364 |
case 6: |
2365 |
// gen_op_mfc0_performance6();
|
2366 |
rn = "Performance6";
|
2367 |
// break;
|
2368 |
case 7: |
2369 |
// gen_op_mfc0_performance7();
|
2370 |
rn = "Performance7";
|
2371 |
// break;
|
2372 |
default:
|
2373 |
goto die;
|
2374 |
} |
2375 |
break;
|
2376 |
case 26: |
2377 |
rn = "ECC";
|
2378 |
break;
|
2379 |
case 27: |
2380 |
switch (sel) {
|
2381 |
/* ignored */
|
2382 |
case 0 ... 3: |
2383 |
rn = "CacheErr";
|
2384 |
break;
|
2385 |
default:
|
2386 |
goto die;
|
2387 |
} |
2388 |
break;
|
2389 |
case 28: |
2390 |
switch (sel) {
|
2391 |
case 0: |
2392 |
case 2: |
2393 |
case 4: |
2394 |
case 6: |
2395 |
gen_op_mfc0_taglo(); |
2396 |
rn = "TagLo";
|
2397 |
break;
|
2398 |
case 1: |
2399 |
case 3: |
2400 |
case 5: |
2401 |
case 7: |
2402 |
gen_op_mfc0_datalo(); |
2403 |
rn = "DataLo";
|
2404 |
break;
|
2405 |
default:
|
2406 |
goto die;
|
2407 |
} |
2408 |
break;
|
2409 |
case 29: |
2410 |
switch (sel) {
|
2411 |
case 0: |
2412 |
case 2: |
2413 |
case 4: |
2414 |
case 6: |
2415 |
gen_op_mfc0_taghi(); |
2416 |
rn = "TagHi";
|
2417 |
break;
|
2418 |
case 1: |
2419 |
case 3: |
2420 |
case 5: |
2421 |
case 7: |
2422 |
gen_op_mfc0_datahi(); |
2423 |
rn = "DataHi";
|
2424 |
break;
|
2425 |
default:
|
2426 |
goto die;
|
2427 |
} |
2428 |
break;
|
2429 |
case 30: |
2430 |
switch (sel) {
|
2431 |
case 0: |
2432 |
gen_op_mfc0_errorepc(); |
2433 |
rn = "ErrorEPC";
|
2434 |
break;
|
2435 |
default:
|
2436 |
goto die;
|
2437 |
} |
2438 |
break;
|
2439 |
case 31: |
2440 |
switch (sel) {
|
2441 |
case 0: |
2442 |
gen_op_mfc0_desave(); /* EJTAG support */
|
2443 |
rn = "DESAVE";
|
2444 |
break;
|
2445 |
default:
|
2446 |
goto die;
|
2447 |
} |
2448 |
break;
|
2449 |
default:
|
2450 |
goto die;
|
2451 |
} |
2452 |
#if defined MIPS_DEBUG_DISAS
|
2453 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2454 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
2455 |
rn, reg, sel); |
2456 |
} |
2457 |
#endif
|
2458 |
return;
|
2459 |
|
2460 |
die:
|
2461 |
#if defined MIPS_DEBUG_DISAS
|
2462 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
2463 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
2464 |
rn, reg, sel); |
2465 |
} |
2466 |
#endif
|
2467 |
generate_exception(ctx, EXCP_RI); |
2468 |
} |
2469 |
|
2470 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
2471 |
{ |
2472 |
const char *rn = "invalid"; |
2473 |
|
2474 |
switch (reg) {
|
2475 |
case 0: |
2476 |
switch (sel) {
|
2477 |
case 0: |
2478 |
gen_op_mtc0_index(); |
2479 |
rn = "Index";
|
2480 |
break;
|
2481 |
case 1: |
2482 |
check_mips_mt(env, ctx); |
2483 |
gen_op_mtc0_mvpcontrol(); |
2484 |
rn = "MVPControl";
|
2485 |
break;
|
2486 |
case 2: |
2487 |
check_mips_mt(env, ctx); |
2488 |
/* ignored */
|
2489 |
rn = "MVPConf0";
|
2490 |
break;
|
2491 |
case 3: |
2492 |
check_mips_mt(env, ctx); |
2493 |
/* ignored */
|
2494 |
rn = "MVPConf1";
|
2495 |
break;
|
2496 |
default:
|
2497 |
goto die;
|
2498 |
} |
2499 |
break;
|
2500 |
case 1: |
2501 |
switch (sel) {
|
2502 |
case 0: |
2503 |
/* ignored */
|
2504 |
rn = "Random";
|
2505 |
break;
|
2506 |
case 1: |
2507 |
check_mips_mt(env, ctx); |
2508 |
gen_op_mtc0_vpecontrol(); |
2509 |
rn = "VPEControl";
|
2510 |
break;
|
2511 |
case 2: |
2512 |
check_mips_mt(env, ctx); |
2513 |
gen_op_mtc0_vpeconf0(); |
2514 |
rn = "VPEConf0";
|
2515 |
break;
|
2516 |
case 3: |
2517 |
check_mips_mt(env, ctx); |
2518 |
gen_op_mtc0_vpeconf1(); |
2519 |
rn = "VPEConf1";
|
2520 |
break;
|
2521 |
case 4: |
2522 |
check_mips_mt(env, ctx); |
2523 |
gen_op_mtc0_yqmask(); |
2524 |
rn = "YQMask";
|
2525 |
break;
|
2526 |
case 5: |
2527 |
check_mips_mt(env, ctx); |
2528 |
gen_op_mtc0_vpeschedule(); |
2529 |
rn = "VPESchedule";
|
2530 |
break;
|
2531 |
case 6: |
2532 |
check_mips_mt(env, ctx); |
2533 |
gen_op_mtc0_vpeschefback(); |
2534 |
rn = "VPEScheFBack";
|
2535 |
break;
|
2536 |
case 7: |
2537 |
check_mips_mt(env, ctx); |
2538 |
gen_op_mtc0_vpeopt(); |
2539 |
rn = "VPEOpt";
|
2540 |
break;
|
2541 |
default:
|
2542 |
goto die;
|
2543 |
} |
2544 |
break;
|
2545 |
case 2: |
2546 |
switch (sel) {
|
2547 |
case 0: |
2548 |
gen_op_mtc0_entrylo0(); |
2549 |
rn = "EntryLo0";
|
2550 |
break;
|
2551 |
case 1: |
2552 |
check_mips_mt(env, ctx); |
2553 |
gen_op_mtc0_tcstatus(); |
2554 |
rn = "TCStatus";
|
2555 |
break;
|
2556 |
case 2: |
2557 |
check_mips_mt(env, ctx); |
2558 |
gen_op_mtc0_tcbind(); |
2559 |
rn = "TCBind";
|
2560 |
break;
|
2561 |
case 3: |
2562 |
check_mips_mt(env, ctx); |
2563 |
gen_op_mtc0_tcrestart(); |
2564 |
rn = "TCRestart";
|
2565 |
break;
|
2566 |
case 4: |
2567 |
check_mips_mt(env, ctx); |
2568 |
gen_op_mtc0_tchalt(); |
2569 |
rn = "TCHalt";
|
2570 |
break;
|
2571 |
case 5: |
2572 |
check_mips_mt(env, ctx); |
2573 |
gen_op_mtc0_tccontext(); |
2574 |
rn = "TCContext";
|
2575 |
break;
|
2576 |
case 6: |
2577 |
check_mips_mt(env, ctx); |
2578 |
gen_op_mtc0_tcschedule(); |
2579 |
rn = "TCSchedule";
|
2580 |
break;
|
2581 |
case 7: |
2582 |
check_mips_mt(env, ctx); |
2583 |
gen_op_mtc0_tcschefback(); |
2584 |
rn = "TCScheFBack";
|
2585 |
break;
|
2586 |
default:
|
2587 |
goto die;
|
2588 |
} |
2589 |
break;
|
2590 |
case 3: |
2591 |
switch (sel) {
|
2592 |
case 0: |
2593 |
gen_op_mtc0_entrylo1(); |
2594 |
rn = "EntryLo1";
|
2595 |
break;
|
2596 |
default:
|
2597 |
goto die;
|
2598 |
} |
2599 |
break;
|
2600 |
case 4: |
2601 |
switch (sel) {
|
2602 |
case 0: |
2603 |
gen_op_mtc0_context(); |
2604 |
rn = "Context";
|
2605 |
break;
|
2606 |
case 1: |
2607 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
2608 |
rn = "ContextConfig";
|
2609 |
// break;
|
2610 |
default:
|
2611 |
goto die;
|
2612 |
} |
2613 |
break;
|
2614 |
case 5: |
2615 |
switch (sel) {
|
2616 |
case 0: |
2617 |
gen_op_mtc0_pagemask(); |
2618 |
rn = "PageMask";
|
2619 |
break;
|
2620 |
case 1: |
2621 |
check_mips_r2(env, ctx); |
2622 |
gen_op_mtc0_pagegrain(); |
2623 |
rn = "PageGrain";
|
2624 |
break;
|
2625 |
default:
|
2626 |
goto die;
|
2627 |
} |
2628 |
break;
|
2629 |
case 6: |
2630 |
switch (sel) {
|
2631 |
case 0: |
2632 |
gen_op_mtc0_wired(); |
2633 |
rn = "Wired";
|
2634 |
break;
|
2635 |
case 1: |
2636 |
gen_op_mtc0_srsconf0(); |
2637 |
rn = "SRSConf0";
|
2638 |
break;
|
2639 |
case 2: |
2640 |
gen_op_mtc0_srsconf1(); |
2641 |
rn = "SRSConf1";
|
2642 |
break;
|
2643 |
case 3: |
2644 |
gen_op_mtc0_srsconf2(); |
2645 |
rn = "SRSConf2";
|
2646 |
break;
|
2647 |
case 4: |
2648 |
gen_op_mtc0_srsconf3(); |
2649 |
rn = "SRSConf3";
|
2650 |
break;
|
2651 |
case 5: |
2652 |
gen_op_mtc0_srsconf4(); |
2653 |
rn = "SRSConf4";
|
2654 |
break;
|
2655 |
default:
|
2656 |
goto die;
|
2657 |
} |
2658 |
break;
|
2659 |
case 7: |
2660 |
switch (sel) {
|
2661 |
case 0: |
2662 |
check_mips_r2(env, ctx); |
2663 |
gen_op_mtc0_hwrena(); |
2664 |
rn = "HWREna";
|
2665 |
break;
|
2666 |
default:
|
2667 |
goto die;
|
2668 |
} |
2669 |
break;
|
2670 |
case 8: |
2671 |
/* ignored */
|
2672 |
rn = "BadVaddr";
|
2673 |
break;
|
2674 |
case 9: |
2675 |
switch (sel) {
|
2676 |
case 0: |
2677 |
gen_op_mtc0_count(); |
2678 |
rn = "Count";
|
2679 |
break;
|
2680 |
/* 6,7 are implementation dependent */
|
2681 |
default:
|
2682 |
goto die;
|
2683 |
} |
2684 |
/* Stop translation as we may have switched the execution mode */
|
2685 |
ctx->bstate = BS_STOP; |
2686 |
break;
|
2687 |
case 10: |
2688 |
switch (sel) {
|
2689 |
case 0: |
2690 |
gen_op_mtc0_entryhi(); |
2691 |
rn = "EntryHi";
|
2692 |
break;
|
2693 |
default:
|
2694 |
goto die;
|
2695 |
} |
2696 |
break;
|
2697 |
case 11: |
2698 |
switch (sel) {
|
2699 |
case 0: |
2700 |
gen_op_mtc0_compare(); |
2701 |
rn = "Compare";
|
2702 |
break;
|
2703 |
/* 6,7 are implementation dependent */
|
2704 |
default:
|
2705 |
goto die;
|
2706 |
} |
2707 |
/* Stop translation as we may have switched the execution mode */
|
2708 |
ctx->bstate = BS_STOP; |
2709 |
break;
|
2710 |
case 12: |
2711 |
switch (sel) {
|
2712 |
case 0: |
2713 |
gen_op_mtc0_status(); |
2714 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
2715 |
gen_save_pc(ctx->pc + 4);
|
2716 |
ctx->bstate = BS_EXCP; |
2717 |
rn = "Status";
|
2718 |
break;
|
2719 |
case 1: |
2720 |
check_mips_r2(env, ctx); |
2721 |
gen_op_mtc0_intctl(); |
2722 |
/* Stop translation as we may have switched the execution mode */
|
2723 |
ctx->bstate = BS_STOP; |
2724 |
rn = "IntCtl";
|
2725 |
break;
|
2726 |
case 2: |
2727 |
check_mips_r2(env, ctx); |
2728 |
gen_op_mtc0_srsctl(); |
2729 |
/* Stop translation as we may have switched the execution mode */
|
2730 |
ctx->bstate = BS_STOP; |
2731 |
rn = "SRSCtl";
|
2732 |
break;
|
2733 |
case 3: |
2734 |
check_mips_r2(env, ctx); |
2735 |
gen_op_mtc0_srsmap(); |
2736 |
/* Stop translation as we may have switched the execution mode */
|
2737 |
ctx->bstate = BS_STOP; |
2738 |
rn = "SRSMap";
|
2739 |
break;
|
2740 |
default:
|
2741 |
goto die;
|
2742 |
} |
2743 |
break;
|
2744 |
case 13: |
2745 |
switch (sel) {
|
2746 |
case 0: |
2747 |
gen_op_mtc0_cause(); |
2748 |
rn = "Cause";
|
2749 |
break;
|
2750 |
default:
|
2751 |
goto die;
|
2752 |
} |
2753 |
/* Stop translation as we may have switched the execution mode */
|
2754 |
ctx->bstate = BS_STOP; |
2755 |
break;
|
2756 |
case 14: |
2757 |
switch (sel) {
|
2758 |
case 0: |
2759 |
gen_op_mtc0_epc(); |
2760 |
rn = "EPC";
|
2761 |
break;
|
2762 |
default:
|
2763 |
goto die;
|
2764 |
} |
2765 |
break;
|
2766 |
case 15: |
2767 |
switch (sel) {
|
2768 |
case 0: |
2769 |
/* ignored */
|
2770 |
rn = "PRid";
|
2771 |
break;
|
2772 |
case 1: |
2773 |
check_mips_r2(env, ctx); |
2774 |
gen_op_mtc0_ebase(); |
2775 |
rn = "EBase";
|
2776 |
break;
|
2777 |
default:
|
2778 |
goto die;
|
2779 |
} |
2780 |
break;
|
2781 |
case 16: |
2782 |
switch (sel) {
|
2783 |
case 0: |
2784 |
gen_op_mtc0_config0(); |
2785 |
rn = "Config";
|
2786 |
/* Stop translation as we may have switched the execution mode */
|
2787 |
ctx->bstate = BS_STOP; |
2788 |
break;
|
2789 |
case 1: |
2790 |
/* ignored, read only */
|
2791 |
rn = "Config1";
|
2792 |
break;
|
2793 |
case 2: |
2794 |
gen_op_mtc0_config2(); |
2795 |
rn = "Config2";
|
2796 |
/* Stop translation as we may have switched the execution mode */
|
2797 |
ctx->bstate = BS_STOP; |
2798 |
break;
|
2799 |
case 3: |
2800 |
/* ignored, read only */
|
2801 |
rn = "Config3";
|
2802 |
break;
|
2803 |
/* 4,5 are reserved */
|
2804 |
/* 6,7 are implementation dependent */
|
2805 |
case 6: |
2806 |
/* ignored */
|
2807 |
rn = "Config6";
|
2808 |
break;
|
2809 |
case 7: |
2810 |
/* ignored */
|
2811 |
rn = "Config7";
|
2812 |
break;
|
2813 |
default:
|
2814 |
rn = "Invalid config selector";
|
2815 |
goto die;
|
2816 |
} |
2817 |
break;
|
2818 |
case 17: |
2819 |
switch (sel) {
|
2820 |
case 0: |
2821 |
/* ignored */
|
2822 |
rn = "LLAddr";
|
2823 |
break;
|
2824 |
default:
|
2825 |
goto die;
|
2826 |
} |
2827 |
break;
|
2828 |
case 18: |
2829 |
switch (sel) {
|
2830 |
case 0 ... 7: |
2831 |
gen_op_mtc0_watchlo(sel); |
2832 |
rn = "WatchLo";
|
2833 |
break;
|
2834 |
default:
|
2835 |
goto die;
|
2836 |
} |
2837 |
break;
|
2838 |
case 19: |
2839 |
switch (sel) {
|
2840 |
case 0 ... 7: |
2841 |
gen_op_mtc0_watchhi(sel); |
2842 |
rn = "WatchHi";
|
2843 |
break;
|
2844 |
default:
|
2845 |
goto die;
|
2846 |
} |
2847 |
break;
|
2848 |
case 20: |
2849 |
switch (sel) {
|
2850 |
case 0: |
2851 |
#ifdef TARGET_MIPS64
|
2852 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
2853 |
goto die;
|
2854 |
gen_op_mtc0_xcontext(); |
2855 |
rn = "XContext";
|
2856 |
break;
|
2857 |
#endif
|
2858 |
default:
|
2859 |
goto die;
|
2860 |
} |
2861 |
break;
|
2862 |
case 21: |
2863 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
2864 |
switch (sel) {
|
2865 |
case 0: |
2866 |
gen_op_mtc0_framemask(); |
2867 |
rn = "Framemask";
|
2868 |
break;
|
2869 |
default:
|
2870 |
goto die;
|
2871 |
} |
2872 |
break;
|
2873 |
case 22: |
2874 |
/* ignored */
|
2875 |
rn = "Diagnostic"; /* implementation dependent */ |
2876 |
break;
|
2877 |
case 23: |
2878 |
switch (sel) {
|
2879 |
case 0: |
2880 |
gen_op_mtc0_debug(); /* EJTAG support */
|
2881 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
2882 |
gen_save_pc(ctx->pc + 4);
|
2883 |
ctx->bstate = BS_EXCP; |
2884 |
rn = "Debug";
|
2885 |
break;
|
2886 |
case 1: |
2887 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
2888 |
rn = "TraceControl";
|
2889 |
/* Stop translation as we may have switched the execution mode */
|
2890 |
ctx->bstate = BS_STOP; |
2891 |
// break;
|
2892 |
case 2: |
2893 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
2894 |
rn = "TraceControl2";
|
2895 |
/* Stop translation as we may have switched the execution mode */
|
2896 |
ctx->bstate = BS_STOP; |
2897 |
// break;
|
2898 |
case 3: |
2899 |
/* Stop translation as we may have switched the execution mode */
|
2900 |
ctx->bstate = BS_STOP; |
2901 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
2902 |
rn = "UserTraceData";
|
2903 |
/* Stop translation as we may have switched the execution mode */
|
2904 |
ctx->bstate = BS_STOP; |
2905 |
// break;
|
2906 |
case 4: |
2907 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
2908 |
/* Stop translation as we may have switched the execution mode */
|
2909 |
ctx->bstate = BS_STOP; |
2910 |
rn = "TraceBPC";
|
2911 |
// break;
|
2912 |
default:
|
2913 |
goto die;
|
2914 |
} |
2915 |
break;
|
2916 |
case 24: |
2917 |
switch (sel) {
|
2918 |
case 0: |
2919 |
gen_op_mtc0_depc(); /* EJTAG support */
|
2920 |
rn = "DEPC";
|
2921 |
break;
|
2922 |
default:
|
2923 |
goto die;
|
2924 |
} |
2925 |
break;
|
2926 |
case 25: |
2927 |
switch (sel) {
|
2928 |
case 0: |
2929 |
gen_op_mtc0_performance0(); |
2930 |
rn = "Performance0";
|
2931 |
break;
|
2932 |
case 1: |
2933 |
// gen_op_mtc0_performance1();
|
2934 |
rn = "Performance1";
|
2935 |
// break;
|
2936 |
case 2: |
2937 |
// gen_op_mtc0_performance2();
|
2938 |
rn = "Performance2";
|
2939 |
// break;
|
2940 |
case 3: |
2941 |
// gen_op_mtc0_performance3();
|
2942 |
rn = "Performance3";
|
2943 |
// break;
|
2944 |
case 4: |
2945 |
// gen_op_mtc0_performance4();
|
2946 |
rn = "Performance4";
|
2947 |
// break;
|
2948 |
case 5: |
2949 |
// gen_op_mtc0_performance5();
|
2950 |
rn = "Performance5";
|
2951 |
// break;
|
2952 |
case 6: |
2953 |
// gen_op_mtc0_performance6();
|
2954 |
rn = "Performance6";
|
2955 |
// break;
|
2956 |
case 7: |
2957 |
// gen_op_mtc0_performance7();
|
2958 |
rn = "Performance7";
|
2959 |
// break;
|
2960 |
default:
|
2961 |
goto die;
|
2962 |
} |
2963 |
break;
|
2964 |
case 26: |
2965 |
/* ignored */
|
2966 |
rn = "ECC";
|
2967 |
break;
|
2968 |
case 27: |
2969 |
switch (sel) {
|
2970 |
case 0 ... 3: |
2971 |
/* ignored */
|
2972 |
rn = "CacheErr";
|
2973 |
break;
|
2974 |
default:
|
2975 |
goto die;
|
2976 |
} |
2977 |
break;
|
2978 |
case 28: |
2979 |
switch (sel) {
|
2980 |
case 0: |
2981 |
case 2: |
2982 |
case 4: |
2983 |
case 6: |
2984 |
gen_op_mtc0_taglo(); |
2985 |
rn = "TagLo";
|
2986 |
break;
|
2987 |
case 1: |
2988 |
case 3: |
2989 |
case 5: |
2990 |
case 7: |
2991 |
gen_op_mtc0_datalo(); |
2992 |
rn = "DataLo";
|
2993 |
break;
|
2994 |
default:
|
2995 |
goto die;
|
2996 |
} |
2997 |
break;
|
2998 |
case 29: |
2999 |
switch (sel) {
|
3000 |
case 0: |
3001 |
case 2: |
3002 |
case 4: |
3003 |
case 6: |
3004 |
gen_op_mtc0_taghi(); |
3005 |
rn = "TagHi";
|
3006 |
break;
|
3007 |
case 1: |
3008 |
case 3: |
3009 |
case 5: |
3010 |
case 7: |
3011 |
gen_op_mtc0_datahi(); |
3012 |
rn = "DataHi";
|
3013 |
break;
|
3014 |
default:
|
3015 |
rn = "invalid sel";
|
3016 |
goto die;
|
3017 |
} |
3018 |
break;
|
3019 |
case 30: |
3020 |
switch (sel) {
|
3021 |
case 0: |
3022 |
gen_op_mtc0_errorepc(); |
3023 |
rn = "ErrorEPC";
|
3024 |
break;
|
3025 |
default:
|
3026 |
goto die;
|
3027 |
} |
3028 |
break;
|
3029 |
case 31: |
3030 |
switch (sel) {
|
3031 |
case 0: |
3032 |
gen_op_mtc0_desave(); /* EJTAG support */
|
3033 |
rn = "DESAVE";
|
3034 |
break;
|
3035 |
default:
|
3036 |
goto die;
|
3037 |
} |
3038 |
/* Stop translation as we may have switched the execution mode */
|
3039 |
ctx->bstate = BS_STOP; |
3040 |
break;
|
3041 |
default:
|
3042 |
goto die;
|
3043 |
} |
3044 |
#if defined MIPS_DEBUG_DISAS
|
3045 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3046 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3047 |
rn, reg, sel); |
3048 |
} |
3049 |
#endif
|
3050 |
return;
|
3051 |
|
3052 |
die:
|
3053 |
#if defined MIPS_DEBUG_DISAS
|
3054 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3055 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
3056 |
rn, reg, sel); |
3057 |
} |
3058 |
#endif
|
3059 |
generate_exception(ctx, EXCP_RI); |
3060 |
} |
3061 |
|
3062 |
#ifdef TARGET_MIPS64
|
3063 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3064 |
{ |
3065 |
const char *rn = "invalid"; |
3066 |
|
3067 |
switch (reg) {
|
3068 |
case 0: |
3069 |
switch (sel) {
|
3070 |
case 0: |
3071 |
gen_op_mfc0_index(); |
3072 |
rn = "Index";
|
3073 |
break;
|
3074 |
case 1: |
3075 |
check_mips_mt(env, ctx); |
3076 |
gen_op_mfc0_mvpcontrol(); |
3077 |
rn = "MVPControl";
|
3078 |
break;
|
3079 |
case 2: |
3080 |
check_mips_mt(env, ctx); |
3081 |
gen_op_mfc0_mvpconf0(); |
3082 |
rn = "MVPConf0";
|
3083 |
break;
|
3084 |
case 3: |
3085 |
check_mips_mt(env, ctx); |
3086 |
gen_op_mfc0_mvpconf1(); |
3087 |
rn = "MVPConf1";
|
3088 |
break;
|
3089 |
default:
|
3090 |
goto die;
|
3091 |
} |
3092 |
break;
|
3093 |
case 1: |
3094 |
switch (sel) {
|
3095 |
case 0: |
3096 |
gen_op_mfc0_random(); |
3097 |
rn = "Random";
|
3098 |
break;
|
3099 |
case 1: |
3100 |
check_mips_mt(env, ctx); |
3101 |
gen_op_mfc0_vpecontrol(); |
3102 |
rn = "VPEControl";
|
3103 |
break;
|
3104 |
case 2: |
3105 |
check_mips_mt(env, ctx); |
3106 |
gen_op_mfc0_vpeconf0(); |
3107 |
rn = "VPEConf0";
|
3108 |
break;
|
3109 |
case 3: |
3110 |
check_mips_mt(env, ctx); |
3111 |
gen_op_mfc0_vpeconf1(); |
3112 |
rn = "VPEConf1";
|
3113 |
break;
|
3114 |
case 4: |
3115 |
check_mips_mt(env, ctx); |
3116 |
gen_op_dmfc0_yqmask(); |
3117 |
rn = "YQMask";
|
3118 |
break;
|
3119 |
case 5: |
3120 |
check_mips_mt(env, ctx); |
3121 |
gen_op_dmfc0_vpeschedule(); |
3122 |
rn = "VPESchedule";
|
3123 |
break;
|
3124 |
case 6: |
3125 |
check_mips_mt(env, ctx); |
3126 |
gen_op_dmfc0_vpeschefback(); |
3127 |
rn = "VPEScheFBack";
|
3128 |
break;
|
3129 |
case 7: |
3130 |
check_mips_mt(env, ctx); |
3131 |
gen_op_mfc0_vpeopt(); |
3132 |
rn = "VPEOpt";
|
3133 |
break;
|
3134 |
default:
|
3135 |
goto die;
|
3136 |
} |
3137 |
break;
|
3138 |
case 2: |
3139 |
switch (sel) {
|
3140 |
case 0: |
3141 |
gen_op_dmfc0_entrylo0(); |
3142 |
rn = "EntryLo0";
|
3143 |
break;
|
3144 |
case 1: |
3145 |
check_mips_mt(env, ctx); |
3146 |
gen_op_mfc0_tcstatus(); |
3147 |
rn = "TCStatus";
|
3148 |
break;
|
3149 |
case 2: |
3150 |
check_mips_mt(env, ctx); |
3151 |
gen_op_mfc0_tcbind(); |
3152 |
rn = "TCBind";
|
3153 |
break;
|
3154 |
case 3: |
3155 |
check_mips_mt(env, ctx); |
3156 |
gen_op_dmfc0_tcrestart(); |
3157 |
rn = "TCRestart";
|
3158 |
break;
|
3159 |
case 4: |
3160 |
check_mips_mt(env, ctx); |
3161 |
gen_op_dmfc0_tchalt(); |
3162 |
rn = "TCHalt";
|
3163 |
break;
|
3164 |
case 5: |
3165 |
check_mips_mt(env, ctx); |
3166 |
gen_op_dmfc0_tccontext(); |
3167 |
rn = "TCContext";
|
3168 |
break;
|
3169 |
case 6: |
3170 |
check_mips_mt(env, ctx); |
3171 |
gen_op_dmfc0_tcschedule(); |
3172 |
rn = "TCSchedule";
|
3173 |
break;
|
3174 |
case 7: |
3175 |
check_mips_mt(env, ctx); |
3176 |
gen_op_dmfc0_tcschefback(); |
3177 |
rn = "TCScheFBack";
|
3178 |
break;
|
3179 |
default:
|
3180 |
goto die;
|
3181 |
} |
3182 |
break;
|
3183 |
case 3: |
3184 |
switch (sel) {
|
3185 |
case 0: |
3186 |
gen_op_dmfc0_entrylo1(); |
3187 |
rn = "EntryLo1";
|
3188 |
break;
|
3189 |
default:
|
3190 |
goto die;
|
3191 |
} |
3192 |
break;
|
3193 |
case 4: |
3194 |
switch (sel) {
|
3195 |
case 0: |
3196 |
gen_op_dmfc0_context(); |
3197 |
rn = "Context";
|
3198 |
break;
|
3199 |
case 1: |
3200 |
// gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
|
3201 |
rn = "ContextConfig";
|
3202 |
// break;
|
3203 |
default:
|
3204 |
goto die;
|
3205 |
} |
3206 |
break;
|
3207 |
case 5: |
3208 |
switch (sel) {
|
3209 |
case 0: |
3210 |
gen_op_mfc0_pagemask(); |
3211 |
rn = "PageMask";
|
3212 |
break;
|
3213 |
case 1: |
3214 |
check_mips_r2(env, ctx); |
3215 |
gen_op_mfc0_pagegrain(); |
3216 |
rn = "PageGrain";
|
3217 |
break;
|
3218 |
default:
|
3219 |
goto die;
|
3220 |
} |
3221 |
break;
|
3222 |
case 6: |
3223 |
switch (sel) {
|
3224 |
case 0: |
3225 |
gen_op_mfc0_wired(); |
3226 |
rn = "Wired";
|
3227 |
break;
|
3228 |
case 1: |
3229 |
gen_op_mfc0_srsconf0(); |
3230 |
rn = "SRSConf0";
|
3231 |
break;
|
3232 |
case 2: |
3233 |
gen_op_mfc0_srsconf1(); |
3234 |
rn = "SRSConf1";
|
3235 |
break;
|
3236 |
case 3: |
3237 |
gen_op_mfc0_srsconf2(); |
3238 |
rn = "SRSConf2";
|
3239 |
break;
|
3240 |
case 4: |
3241 |
gen_op_mfc0_srsconf3(); |
3242 |
rn = "SRSConf3";
|
3243 |
break;
|
3244 |
case 5: |
3245 |
gen_op_mfc0_srsconf4(); |
3246 |
rn = "SRSConf4";
|
3247 |
break;
|
3248 |
default:
|
3249 |
goto die;
|
3250 |
} |
3251 |
break;
|
3252 |
case 7: |
3253 |
switch (sel) {
|
3254 |
case 0: |
3255 |
check_mips_r2(env, ctx); |
3256 |
gen_op_mfc0_hwrena(); |
3257 |
rn = "HWREna";
|
3258 |
break;
|
3259 |
default:
|
3260 |
goto die;
|
3261 |
} |
3262 |
break;
|
3263 |
case 8: |
3264 |
switch (sel) {
|
3265 |
case 0: |
3266 |
gen_op_dmfc0_badvaddr(); |
3267 |
rn = "BadVaddr";
|
3268 |
break;
|
3269 |
default:
|
3270 |
goto die;
|
3271 |
} |
3272 |
break;
|
3273 |
case 9: |
3274 |
switch (sel) {
|
3275 |
case 0: |
3276 |
gen_op_mfc0_count(); |
3277 |
rn = "Count";
|
3278 |
break;
|
3279 |
/* 6,7 are implementation dependent */
|
3280 |
default:
|
3281 |
goto die;
|
3282 |
} |
3283 |
break;
|
3284 |
case 10: |
3285 |
switch (sel) {
|
3286 |
case 0: |
3287 |
gen_op_dmfc0_entryhi(); |
3288 |
rn = "EntryHi";
|
3289 |
break;
|
3290 |
default:
|
3291 |
goto die;
|
3292 |
} |
3293 |
break;
|
3294 |
case 11: |
3295 |
switch (sel) {
|
3296 |
case 0: |
3297 |
gen_op_mfc0_compare(); |
3298 |
rn = "Compare";
|
3299 |
break;
|
3300 |
/* 6,7 are implementation dependent */
|
3301 |
default:
|
3302 |
goto die;
|
3303 |
} |
3304 |
break;
|
3305 |
case 12: |
3306 |
switch (sel) {
|
3307 |
case 0: |
3308 |
gen_op_mfc0_status(); |
3309 |
rn = "Status";
|
3310 |
break;
|
3311 |
case 1: |
3312 |
check_mips_r2(env, ctx); |
3313 |
gen_op_mfc0_intctl(); |
3314 |
rn = "IntCtl";
|
3315 |
break;
|
3316 |
case 2: |
3317 |
check_mips_r2(env, ctx); |
3318 |
gen_op_mfc0_srsctl(); |
3319 |
rn = "SRSCtl";
|
3320 |
break;
|
3321 |
case 3: |
3322 |
check_mips_r2(env, ctx); |
3323 |
gen_op_mfc0_srsmap(); |
3324 |
rn = "SRSMap";
|
3325 |
break;
|
3326 |
default:
|
3327 |
goto die;
|
3328 |
} |
3329 |
break;
|
3330 |
case 13: |
3331 |
switch (sel) {
|
3332 |
case 0: |
3333 |
gen_op_mfc0_cause(); |
3334 |
rn = "Cause";
|
3335 |
break;
|
3336 |
default:
|
3337 |
goto die;
|
3338 |
} |
3339 |
break;
|
3340 |
case 14: |
3341 |
switch (sel) {
|
3342 |
case 0: |
3343 |
gen_op_dmfc0_epc(); |
3344 |
rn = "EPC";
|
3345 |
break;
|
3346 |
default:
|
3347 |
goto die;
|
3348 |
} |
3349 |
break;
|
3350 |
case 15: |
3351 |
switch (sel) {
|
3352 |
case 0: |
3353 |
gen_op_mfc0_prid(); |
3354 |
rn = "PRid";
|
3355 |
break;
|
3356 |
case 1: |
3357 |
check_mips_r2(env, ctx); |
3358 |
gen_op_mfc0_ebase(); |
3359 |
rn = "EBase";
|
3360 |
break;
|
3361 |
default:
|
3362 |
goto die;
|
3363 |
} |
3364 |
break;
|
3365 |
case 16: |
3366 |
switch (sel) {
|
3367 |
case 0: |
3368 |
gen_op_mfc0_config0(); |
3369 |
rn = "Config";
|
3370 |
break;
|
3371 |
case 1: |
3372 |
gen_op_mfc0_config1(); |
3373 |
rn = "Config1";
|
3374 |
break;
|
3375 |
case 2: |
3376 |
gen_op_mfc0_config2(); |
3377 |
rn = "Config2";
|
3378 |
break;
|
3379 |
case 3: |
3380 |
gen_op_mfc0_config3(); |
3381 |
rn = "Config3";
|
3382 |
break;
|
3383 |
/* 6,7 are implementation dependent */
|
3384 |
default:
|
3385 |
goto die;
|
3386 |
} |
3387 |
break;
|
3388 |
case 17: |
3389 |
switch (sel) {
|
3390 |
case 0: |
3391 |
gen_op_dmfc0_lladdr(); |
3392 |
rn = "LLAddr";
|
3393 |
break;
|
3394 |
default:
|
3395 |
goto die;
|
3396 |
} |
3397 |
break;
|
3398 |
case 18: |
3399 |
switch (sel) {
|
3400 |
case 0 ... 7: |
3401 |
gen_op_dmfc0_watchlo(sel); |
3402 |
rn = "WatchLo";
|
3403 |
break;
|
3404 |
default:
|
3405 |
goto die;
|
3406 |
} |
3407 |
break;
|
3408 |
case 19: |
3409 |
switch (sel) {
|
3410 |
case 0 ... 7: |
3411 |
gen_op_mfc0_watchhi(sel); |
3412 |
rn = "WatchHi";
|
3413 |
break;
|
3414 |
default:
|
3415 |
goto die;
|
3416 |
} |
3417 |
break;
|
3418 |
case 20: |
3419 |
switch (sel) {
|
3420 |
case 0: |
3421 |
gen_op_dmfc0_xcontext(); |
3422 |
rn = "XContext";
|
3423 |
break;
|
3424 |
default:
|
3425 |
goto die;
|
3426 |
} |
3427 |
break;
|
3428 |
case 21: |
3429 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3430 |
switch (sel) {
|
3431 |
case 0: |
3432 |
gen_op_mfc0_framemask(); |
3433 |
rn = "Framemask";
|
3434 |
break;
|
3435 |
default:
|
3436 |
goto die;
|
3437 |
} |
3438 |
break;
|
3439 |
case 22: |
3440 |
/* ignored */
|
3441 |
rn = "'Diagnostic"; /* implementation dependent */ |
3442 |
break;
|
3443 |
case 23: |
3444 |
switch (sel) {
|
3445 |
case 0: |
3446 |
gen_op_mfc0_debug(); /* EJTAG support */
|
3447 |
rn = "Debug";
|
3448 |
break;
|
3449 |
case 1: |
3450 |
// gen_op_dmfc0_tracecontrol(); /* PDtrace support */
|
3451 |
rn = "TraceControl";
|
3452 |
// break;
|
3453 |
case 2: |
3454 |
// gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
|
3455 |
rn = "TraceControl2";
|
3456 |
// break;
|
3457 |
case 3: |
3458 |
// gen_op_dmfc0_usertracedata(); /* PDtrace support */
|
3459 |
rn = "UserTraceData";
|
3460 |
// break;
|
3461 |
case 4: |
3462 |
// gen_op_dmfc0_debug(); /* PDtrace support */
|
3463 |
rn = "TraceBPC";
|
3464 |
// break;
|
3465 |
default:
|
3466 |
goto die;
|
3467 |
} |
3468 |
break;
|
3469 |
case 24: |
3470 |
switch (sel) {
|
3471 |
case 0: |
3472 |
gen_op_dmfc0_depc(); /* EJTAG support */
|
3473 |
rn = "DEPC";
|
3474 |
break;
|
3475 |
default:
|
3476 |
goto die;
|
3477 |
} |
3478 |
break;
|
3479 |
case 25: |
3480 |
switch (sel) {
|
3481 |
case 0: |
3482 |
gen_op_mfc0_performance0(); |
3483 |
rn = "Performance0";
|
3484 |
break;
|
3485 |
case 1: |
3486 |
// gen_op_dmfc0_performance1();
|
3487 |
rn = "Performance1";
|
3488 |
// break;
|
3489 |
case 2: |
3490 |
// gen_op_dmfc0_performance2();
|
3491 |
rn = "Performance2";
|
3492 |
// break;
|
3493 |
case 3: |
3494 |
// gen_op_dmfc0_performance3();
|
3495 |
rn = "Performance3";
|
3496 |
// break;
|
3497 |
case 4: |
3498 |
// gen_op_dmfc0_performance4();
|
3499 |
rn = "Performance4";
|
3500 |
// break;
|
3501 |
case 5: |
3502 |
// gen_op_dmfc0_performance5();
|
3503 |
rn = "Performance5";
|
3504 |
// break;
|
3505 |
case 6: |
3506 |
// gen_op_dmfc0_performance6();
|
3507 |
rn = "Performance6";
|
3508 |
// break;
|
3509 |
case 7: |
3510 |
// gen_op_dmfc0_performance7();
|
3511 |
rn = "Performance7";
|
3512 |
// break;
|
3513 |
default:
|
3514 |
goto die;
|
3515 |
} |
3516 |
break;
|
3517 |
case 26: |
3518 |
rn = "ECC";
|
3519 |
break;
|
3520 |
case 27: |
3521 |
switch (sel) {
|
3522 |
/* ignored */
|
3523 |
case 0 ... 3: |
3524 |
rn = "CacheErr";
|
3525 |
break;
|
3526 |
default:
|
3527 |
goto die;
|
3528 |
} |
3529 |
break;
|
3530 |
case 28: |
3531 |
switch (sel) {
|
3532 |
case 0: |
3533 |
case 2: |
3534 |
case 4: |
3535 |
case 6: |
3536 |
gen_op_mfc0_taglo(); |
3537 |
rn = "TagLo";
|
3538 |
break;
|
3539 |
case 1: |
3540 |
case 3: |
3541 |
case 5: |
3542 |
case 7: |
3543 |
gen_op_mfc0_datalo(); |
3544 |
rn = "DataLo";
|
3545 |
break;
|
3546 |
default:
|
3547 |
goto die;
|
3548 |
} |
3549 |
break;
|
3550 |
case 29: |
3551 |
switch (sel) {
|
3552 |
case 0: |
3553 |
case 2: |
3554 |
case 4: |
3555 |
case 6: |
3556 |
gen_op_mfc0_taghi(); |
3557 |
rn = "TagHi";
|
3558 |
break;
|
3559 |
case 1: |
3560 |
case 3: |
3561 |
case 5: |
3562 |
case 7: |
3563 |
gen_op_mfc0_datahi(); |
3564 |
rn = "DataHi";
|
3565 |
break;
|
3566 |
default:
|
3567 |
goto die;
|
3568 |
} |
3569 |
break;
|
3570 |
case 30: |
3571 |
switch (sel) {
|
3572 |
case 0: |
3573 |
gen_op_dmfc0_errorepc(); |
3574 |
rn = "ErrorEPC";
|
3575 |
break;
|
3576 |
default:
|
3577 |
goto die;
|
3578 |
} |
3579 |
break;
|
3580 |
case 31: |
3581 |
switch (sel) {
|
3582 |
case 0: |
3583 |
gen_op_mfc0_desave(); /* EJTAG support */
|
3584 |
rn = "DESAVE";
|
3585 |
break;
|
3586 |
default:
|
3587 |
goto die;
|
3588 |
} |
3589 |
break;
|
3590 |
default:
|
3591 |
goto die;
|
3592 |
} |
3593 |
#if defined MIPS_DEBUG_DISAS
|
3594 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3595 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
3596 |
rn, reg, sel); |
3597 |
} |
3598 |
#endif
|
3599 |
return;
|
3600 |
|
3601 |
die:
|
3602 |
#if defined MIPS_DEBUG_DISAS
|
3603 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
3604 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
3605 |
rn, reg, sel); |
3606 |
} |
3607 |
#endif
|
3608 |
generate_exception(ctx, EXCP_RI); |
3609 |
} |
3610 |
|
3611 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
3612 |
{ |
3613 |
const char *rn = "invalid"; |
3614 |
|
3615 |
switch (reg) {
|
3616 |
case 0: |
3617 |
switch (sel) {
|
3618 |
case 0: |
3619 |
gen_op_mtc0_index(); |
3620 |
rn = "Index";
|
3621 |
break;
|
3622 |
case 1: |
3623 |
check_mips_mt(env, ctx); |
3624 |
gen_op_mtc0_mvpcontrol(); |
3625 |
rn = "MVPControl";
|
3626 |
break;
|
3627 |
case 2: |
3628 |
check_mips_mt(env, ctx); |
3629 |
/* ignored */
|
3630 |
rn = "MVPConf0";
|
3631 |
break;
|
3632 |
case 3: |
3633 |
check_mips_mt(env, ctx); |
3634 |
/* ignored */
|
3635 |
rn = "MVPConf1";
|
3636 |
break;
|
3637 |
default:
|
3638 |
goto die;
|
3639 |
} |
3640 |
break;
|
3641 |
case 1: |
3642 |
switch (sel) {
|
3643 |
case 0: |
3644 |
/* ignored */
|
3645 |
rn = "Random";
|
3646 |
break;
|
3647 |
case 1: |
3648 |
check_mips_mt(env, ctx); |
3649 |
gen_op_mtc0_vpecontrol(); |
3650 |
rn = "VPEControl";
|
3651 |
break;
|
3652 |
case 2: |
3653 |
check_mips_mt(env, ctx); |
3654 |
gen_op_mtc0_vpeconf0(); |
3655 |
rn = "VPEConf0";
|
3656 |
break;
|
3657 |
case 3: |
3658 |
check_mips_mt(env, ctx); |
3659 |
gen_op_mtc0_vpeconf1(); |
3660 |
rn = "VPEConf1";
|
3661 |
break;
|
3662 |
case 4: |
3663 |
check_mips_mt(env, ctx); |
3664 |
gen_op_mtc0_yqmask(); |
3665 |
rn = "YQMask";
|
3666 |
break;
|
3667 |
case 5: |
3668 |
check_mips_mt(env, ctx); |
3669 |
gen_op_mtc0_vpeschedule(); |
3670 |
rn = "VPESchedule";
|
3671 |
break;
|
3672 |
case 6: |
3673 |
check_mips_mt(env, ctx); |
3674 |
gen_op_mtc0_vpeschefback(); |
3675 |
rn = "VPEScheFBack";
|
3676 |
break;
|
3677 |
case 7: |
3678 |
check_mips_mt(env, ctx); |
3679 |
gen_op_mtc0_vpeopt(); |
3680 |
rn = "VPEOpt";
|
3681 |
break;
|
3682 |
default:
|
3683 |
goto die;
|
3684 |
} |
3685 |
break;
|
3686 |
case 2: |
3687 |
switch (sel) {
|
3688 |
case 0: |
3689 |
gen_op_mtc0_entrylo0(); |
3690 |
rn = "EntryLo0";
|
3691 |
break;
|
3692 |
case 1: |
3693 |
check_mips_mt(env, ctx); |
3694 |
gen_op_mtc0_tcstatus(); |
3695 |
rn = "TCStatus";
|
3696 |
break;
|
3697 |
case 2: |
3698 |
check_mips_mt(env, ctx); |
3699 |
gen_op_mtc0_tcbind(); |
3700 |
rn = "TCBind";
|
3701 |
break;
|
3702 |
case 3: |
3703 |
check_mips_mt(env, ctx); |
3704 |
gen_op_mtc0_tcrestart(); |
3705 |
rn = "TCRestart";
|
3706 |
break;
|
3707 |
case 4: |
3708 |
check_mips_mt(env, ctx); |
3709 |
gen_op_mtc0_tchalt(); |
3710 |
rn = "TCHalt";
|
3711 |
break;
|
3712 |
case 5: |
3713 |
check_mips_mt(env, ctx); |
3714 |
gen_op_mtc0_tccontext(); |
3715 |
rn = "TCContext";
|
3716 |
break;
|
3717 |
case 6: |
3718 |
check_mips_mt(env, ctx); |
3719 |
gen_op_mtc0_tcschedule(); |
3720 |
rn = "TCSchedule";
|
3721 |
break;
|
3722 |
case 7: |
3723 |
check_mips_mt(env, ctx); |
3724 |
gen_op_mtc0_tcschefback(); |
3725 |
rn = "TCScheFBack";
|
3726 |
break;
|
3727 |
default:
|
3728 |
goto die;
|
3729 |
} |
3730 |
break;
|
3731 |
case 3: |
3732 |
switch (sel) {
|
3733 |
case 0: |
3734 |
gen_op_mtc0_entrylo1(); |
3735 |
rn = "EntryLo1";
|
3736 |
break;
|
3737 |
default:
|
3738 |
goto die;
|
3739 |
} |
3740 |
break;
|
3741 |
case 4: |
3742 |
switch (sel) {
|
3743 |
case 0: |
3744 |
gen_op_mtc0_context(); |
3745 |
rn = "Context";
|
3746 |
break;
|
3747 |
case 1: |
3748 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
3749 |
rn = "ContextConfig";
|
3750 |
// break;
|
3751 |
default:
|
3752 |
goto die;
|
3753 |
} |
3754 |
break;
|
3755 |
case 5: |
3756 |
switch (sel) {
|
3757 |
case 0: |
3758 |
gen_op_mtc0_pagemask(); |
3759 |
rn = "PageMask";
|
3760 |
break;
|
3761 |
case 1: |
3762 |
check_mips_r2(env, ctx); |
3763 |
gen_op_mtc0_pagegrain(); |
3764 |
rn = "PageGrain";
|
3765 |
break;
|
3766 |
default:
|
3767 |
goto die;
|
3768 |
} |
3769 |
break;
|
3770 |
case 6: |
3771 |
switch (sel) {
|
3772 |
case 0: |
3773 |
gen_op_mtc0_wired(); |
3774 |
rn = "Wired";
|
3775 |
break;
|
3776 |
case 1: |
3777 |
gen_op_mtc0_srsconf0(); |
3778 |
rn = "SRSConf0";
|
3779 |
break;
|
3780 |
case 2: |
3781 |
gen_op_mtc0_srsconf1(); |
3782 |
rn = "SRSConf1";
|
3783 |
break;
|
3784 |
case 3: |
3785 |
gen_op_mtc0_srsconf2(); |
3786 |
rn = "SRSConf2";
|
3787 |
break;
|
3788 |
case 4: |
3789 |
gen_op_mtc0_srsconf3(); |
3790 |
rn = "SRSConf3";
|
3791 |
break;
|
3792 |
case 5: |
3793 |
gen_op_mtc0_srsconf4(); |
3794 |
rn = "SRSConf4";
|
3795 |
break;
|
3796 |
default:
|
3797 |
goto die;
|
3798 |
} |
3799 |
break;
|
3800 |
case 7: |
3801 |
switch (sel) {
|
3802 |
case 0: |
3803 |
check_mips_r2(env, ctx); |
3804 |
gen_op_mtc0_hwrena(); |
3805 |
rn = "HWREna";
|
3806 |
break;
|
3807 |
default:
|
3808 |
goto die;
|
3809 |
} |
3810 |
break;
|
3811 |
case 8: |
3812 |
/* ignored */
|
3813 |
rn = "BadVaddr";
|
3814 |
break;
|
3815 |
case 9: |
3816 |
switch (sel) {
|
3817 |
case 0: |
3818 |
gen_op_mtc0_count(); |
3819 |
rn = "Count";
|
3820 |
break;
|
3821 |
/* 6,7 are implementation dependent */
|
3822 |
default:
|
3823 |
goto die;
|
3824 |
} |
3825 |
/* Stop translation as we may have switched the execution mode */
|
3826 |
ctx->bstate = BS_STOP; |
3827 |
break;
|
3828 |
case 10: |
3829 |
switch (sel) {
|
3830 |
case 0: |
3831 |
gen_op_mtc0_entryhi(); |
3832 |
rn = "EntryHi";
|
3833 |
break;
|
3834 |
default:
|
3835 |
goto die;
|
3836 |
} |
3837 |
break;
|
3838 |
case 11: |
3839 |
switch (sel) {
|
3840 |
case 0: |
3841 |
gen_op_mtc0_compare(); |
3842 |
rn = "Compare";
|
3843 |
break;
|
3844 |
/* 6,7 are implementation dependent */
|
3845 |
default:
|
3846 |
goto die;
|
3847 |
} |
3848 |
/* Stop translation as we may have switched the execution mode */
|
3849 |
ctx->bstate = BS_STOP; |
3850 |
break;
|
3851 |
case 12: |
3852 |
switch (sel) {
|
3853 |
case 0: |
3854 |
gen_op_mtc0_status(); |
3855 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
3856 |
gen_save_pc(ctx->pc + 4);
|
3857 |
ctx->bstate = BS_EXCP; |
3858 |
rn = "Status";
|
3859 |
break;
|
3860 |
case 1: |
3861 |
check_mips_r2(env, ctx); |
3862 |
gen_op_mtc0_intctl(); |
3863 |
/* Stop translation as we may have switched the execution mode */
|
3864 |
ctx->bstate = BS_STOP; |
3865 |
rn = "IntCtl";
|
3866 |
break;
|
3867 |
case 2: |
3868 |
check_mips_r2(env, ctx); |
3869 |
gen_op_mtc0_srsctl(); |
3870 |
/* Stop translation as we may have switched the execution mode */
|
3871 |
ctx->bstate = BS_STOP; |
3872 |
rn = "SRSCtl";
|
3873 |
break;
|
3874 |
case 3: |
3875 |
check_mips_r2(env, ctx); |
3876 |
gen_op_mtc0_srsmap(); |
3877 |
/* Stop translation as we may have switched the execution mode */
|
3878 |
ctx->bstate = BS_STOP; |
3879 |
rn = "SRSMap";
|
3880 |
break;
|
3881 |
default:
|
3882 |
goto die;
|
3883 |
} |
3884 |
break;
|
3885 |
case 13: |
3886 |
switch (sel) {
|
3887 |
case 0: |
3888 |
gen_op_mtc0_cause(); |
3889 |
rn = "Cause";
|
3890 |
break;
|
3891 |
default:
|
3892 |
goto die;
|
3893 |
} |
3894 |
/* Stop translation as we may have switched the execution mode */
|
3895 |
ctx->bstate = BS_STOP; |
3896 |
break;
|
3897 |
case 14: |
3898 |
switch (sel) {
|
3899 |
case 0: |
3900 |
gen_op_mtc0_epc(); |
3901 |
rn = "EPC";
|
3902 |
break;
|
3903 |
default:
|
3904 |
goto die;
|
3905 |
} |
3906 |
break;
|
3907 |
case 15: |
3908 |
switch (sel) {
|
3909 |
case 0: |
3910 |
/* ignored */
|
3911 |
rn = "PRid";
|
3912 |
break;
|
3913 |
case 1: |
3914 |
check_mips_r2(env, ctx); |
3915 |
gen_op_mtc0_ebase(); |
3916 |
rn = "EBase";
|
3917 |
break;
|
3918 |
default:
|
3919 |
goto die;
|
3920 |
} |
3921 |
break;
|
3922 |
case 16: |
3923 |
switch (sel) {
|
3924 |
case 0: |
3925 |
gen_op_mtc0_config0(); |
3926 |
rn = "Config";
|
3927 |
/* Stop translation as we may have switched the execution mode */
|
3928 |
ctx->bstate = BS_STOP; |
3929 |
break;
|
3930 |
case 1: |
3931 |
/* ignored */
|
3932 |
rn = "Config1";
|
3933 |
break;
|
3934 |
case 2: |
3935 |
gen_op_mtc0_config2(); |
3936 |
rn = "Config2";
|
3937 |
/* Stop translation as we may have switched the execution mode */
|
3938 |
ctx->bstate = BS_STOP; |
3939 |
break;
|
3940 |
case 3: |
3941 |
/* ignored */
|
3942 |
rn = "Config3";
|
3943 |
break;
|
3944 |
/* 6,7 are implementation dependent */
|
3945 |
default:
|
3946 |
rn = "Invalid config selector";
|
3947 |
goto die;
|
3948 |
} |
3949 |
break;
|
3950 |
case 17: |
3951 |
switch (sel) {
|
3952 |
case 0: |
3953 |
/* ignored */
|
3954 |
rn = "LLAddr";
|
3955 |
break;
|
3956 |
default:
|
3957 |
goto die;
|
3958 |
} |
3959 |
break;
|
3960 |
case 18: |
3961 |
switch (sel) {
|
3962 |
case 0 ... 7: |
3963 |
gen_op_mtc0_watchlo(sel); |
3964 |
rn = "WatchLo";
|
3965 |
break;
|
3966 |
default:
|
3967 |
goto die;
|
3968 |
} |
3969 |
break;
|
3970 |
case 19: |
3971 |
switch (sel) {
|
3972 |
case 0 ... 7: |
3973 |
gen_op_mtc0_watchhi(sel); |
3974 |
rn = "WatchHi";
|
3975 |
break;
|
3976 |
default:
|
3977 |
goto die;
|
3978 |
} |
3979 |
break;
|
3980 |
case 20: |
3981 |
switch (sel) {
|
3982 |
case 0: |
3983 |
gen_op_mtc0_xcontext(); |
3984 |
rn = "XContext";
|
3985 |
break;
|
3986 |
default:
|
3987 |
goto die;
|
3988 |
} |
3989 |
break;
|
3990 |
case 21: |
3991 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
3992 |
switch (sel) {
|
3993 |
case 0: |
3994 |
gen_op_mtc0_framemask(); |
3995 |
rn = "Framemask";
|
3996 |
break;
|
3997 |
default:
|
3998 |
goto die;
|
3999 |
} |
4000 |
break;
|
4001 |
case 22: |
4002 |
/* ignored */
|
4003 |
rn = "Diagnostic"; /* implementation dependent */ |
4004 |
break;
|
4005 |
case 23: |
4006 |
switch (sel) {
|
4007 |
case 0: |
4008 |
gen_op_mtc0_debug(); /* EJTAG support */
|
4009 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
4010 |
gen_save_pc(ctx->pc + 4);
|
4011 |
ctx->bstate = BS_EXCP; |
4012 |
rn = "Debug";
|
4013 |
break;
|
4014 |
case 1: |
4015 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
4016 |
/* Stop translation as we may have switched the execution mode */
|
4017 |
ctx->bstate = BS_STOP; |
4018 |
rn = "TraceControl";
|
4019 |
// break;
|
4020 |
case 2: |
4021 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
4022 |
/* Stop translation as we may have switched the execution mode */
|
4023 |
ctx->bstate = BS_STOP; |
4024 |
rn = "TraceControl2";
|
4025 |
// break;
|
4026 |
case 3: |
4027 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
4028 |
/* Stop translation as we may have switched the execution mode */
|
4029 |
ctx->bstate = BS_STOP; |
4030 |
rn = "UserTraceData";
|
4031 |
// break;
|
4032 |
case 4: |
4033 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
4034 |
/* Stop translation as we may have switched the execution mode */
|
4035 |
ctx->bstate = BS_STOP; |
4036 |
rn = "TraceBPC";
|
4037 |
// break;
|
4038 |
default:
|
4039 |
goto die;
|
4040 |
} |
4041 |
break;
|
4042 |
case 24: |
4043 |
switch (sel) {
|
4044 |
case 0: |
4045 |
gen_op_mtc0_depc(); /* EJTAG support */
|
4046 |
rn = "DEPC";
|
4047 |
break;
|
4048 |
default:
|
4049 |
goto die;
|
4050 |
} |
4051 |
break;
|
4052 |
case 25: |
4053 |
switch (sel) {
|
4054 |
case 0: |
4055 |
gen_op_mtc0_performance0(); |
4056 |
rn = "Performance0";
|
4057 |
break;
|
4058 |
case 1: |
4059 |
// gen_op_mtc0_performance1();
|
4060 |
rn = "Performance1";
|
4061 |
// break;
|
4062 |
case 2: |
4063 |
// gen_op_mtc0_performance2();
|
4064 |
rn = "Performance2";
|
4065 |
// break;
|
4066 |
case 3: |
4067 |
// gen_op_mtc0_performance3();
|
4068 |
rn = "Performance3";
|
4069 |
// break;
|
4070 |
case 4: |
4071 |
// gen_op_mtc0_performance4();
|
4072 |
rn = "Performance4";
|
4073 |
// break;
|
4074 |
case 5: |
4075 |
// gen_op_mtc0_performance5();
|
4076 |
rn = "Performance5";
|
4077 |
// break;
|
4078 |
case 6: |
4079 |
// gen_op_mtc0_performance6();
|
4080 |
rn = "Performance6";
|
4081 |
// break;
|
4082 |
case 7: |
4083 |
// gen_op_mtc0_performance7();
|
4084 |
rn = "Performance7";
|
4085 |
// break;
|
4086 |
default:
|
4087 |
goto die;
|
4088 |
} |
4089 |
break;
|
4090 |
case 26: |
4091 |
/* ignored */
|
4092 |
rn = "ECC";
|
4093 |
break;
|
4094 |
case 27: |
4095 |
switch (sel) {
|
4096 |
case 0 ... 3: |
4097 |
/* ignored */
|
4098 |
rn = "CacheErr";
|
4099 |
break;
|
4100 |
default:
|
4101 |
goto die;
|
4102 |
} |
4103 |
break;
|
4104 |
case 28: |
4105 |
switch (sel) {
|
4106 |
case 0: |
4107 |
case 2: |
4108 |
case 4: |
4109 |
case 6: |
4110 |
gen_op_mtc0_taglo(); |
4111 |
rn = "TagLo";
|
4112 |
break;
|
4113 |
case 1: |
4114 |
case 3: |
4115 |
case 5: |
4116 |
case 7: |
4117 |
gen_op_mtc0_datalo(); |
4118 |
rn = "DataLo";
|
4119 |
break;
|
4120 |
default:
|
4121 |
goto die;
|
4122 |
} |
4123 |
break;
|
4124 |
case 29: |
4125 |
switch (sel) {
|
4126 |
case 0: |
4127 |
case 2: |
4128 |
case 4: |
4129 |
case 6: |
4130 |
gen_op_mtc0_taghi(); |
4131 |
rn = "TagHi";
|
4132 |
break;
|
4133 |
case 1: |
4134 |
case 3: |
4135 |
case 5: |
4136 |
case 7: |
4137 |
gen_op_mtc0_datahi(); |
4138 |
rn = "DataHi";
|
4139 |
break;
|
4140 |
default:
|
4141 |
rn = "invalid sel";
|
4142 |
goto die;
|
4143 |
} |
4144 |
break;
|
4145 |
case 30: |
4146 |
switch (sel) {
|
4147 |
case 0: |
4148 |
gen_op_mtc0_errorepc(); |
4149 |
rn = "ErrorEPC";
|
4150 |
break;
|
4151 |
default:
|
4152 |
goto die;
|
4153 |
} |
4154 |
break;
|
4155 |
case 31: |
4156 |
switch (sel) {
|
4157 |
case 0: |
4158 |
gen_op_mtc0_desave(); /* EJTAG support */
|
4159 |
rn = "DESAVE";
|
4160 |
break;
|
4161 |
default:
|
4162 |
goto die;
|
4163 |
} |
4164 |
/* Stop translation as we may have switched the execution mode */
|
4165 |
ctx->bstate = BS_STOP; |
4166 |
break;
|
4167 |
default:
|
4168 |
goto die;
|
4169 |
} |
4170 |
#if defined MIPS_DEBUG_DISAS
|
4171 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4172 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4173 |
rn, reg, sel); |
4174 |
} |
4175 |
#endif
|
4176 |
return;
|
4177 |
|
4178 |
die:
|
4179 |
#if defined MIPS_DEBUG_DISAS
|
4180 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4181 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
4182 |
rn, reg, sel); |
4183 |
} |
4184 |
#endif
|
4185 |
generate_exception(ctx, EXCP_RI); |
4186 |
} |
4187 |
#endif /* TARGET_MIPS64 */ |
4188 |
|
4189 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, |
4190 |
int u, int sel, int h) |
4191 |
{ |
4192 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
4193 |
|
4194 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
4195 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
4196 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
4197 |
gen_op_set_T0(-1);
|
4198 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
4199 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
4200 |
gen_op_set_T0(-1);
|
4201 |
else if (u == 0) { |
4202 |
switch (rt) {
|
4203 |
case 2: |
4204 |
switch (sel) {
|
4205 |
case 1: |
4206 |
gen_op_mftc0_tcstatus(); |
4207 |
break;
|
4208 |
case 2: |
4209 |
gen_op_mftc0_tcbind(); |
4210 |
break;
|
4211 |
case 3: |
4212 |
gen_op_mftc0_tcrestart(); |
4213 |
break;
|
4214 |
case 4: |
4215 |
gen_op_mftc0_tchalt(); |
4216 |
break;
|
4217 |
case 5: |
4218 |
gen_op_mftc0_tccontext(); |
4219 |
break;
|
4220 |
case 6: |
4221 |
gen_op_mftc0_tcschedule(); |
4222 |
break;
|
4223 |
case 7: |
4224 |
gen_op_mftc0_tcschefback(); |
4225 |
break;
|
4226 |
default:
|
4227 |
gen_mfc0(env, ctx, rt, sel); |
4228 |
break;
|
4229 |
} |
4230 |
break;
|
4231 |
case 10: |
4232 |
switch (sel) {
|
4233 |
case 0: |
4234 |
gen_op_mftc0_entryhi(); |
4235 |
break;
|
4236 |
default:
|
4237 |
gen_mfc0(env, ctx, rt, sel); |
4238 |
break;
|
4239 |
} |
4240 |
case 12: |
4241 |
switch (sel) {
|
4242 |
case 0: |
4243 |
gen_op_mftc0_status(); |
4244 |
break;
|
4245 |
default:
|
4246 |
gen_mfc0(env, ctx, rt, sel); |
4247 |
break;
|
4248 |
} |
4249 |
case 23: |
4250 |
switch (sel) {
|
4251 |
case 0: |
4252 |
gen_op_mftc0_debug(); |
4253 |
break;
|
4254 |
default:
|
4255 |
gen_mfc0(env, ctx, rt, sel); |
4256 |
break;
|
4257 |
} |
4258 |
break;
|
4259 |
default:
|
4260 |
gen_mfc0(env, ctx, rt, sel); |
4261 |
} |
4262 |
} else switch (sel) { |
4263 |
/* GPR registers. */
|
4264 |
case 0: |
4265 |
gen_op_mftgpr(rt); |
4266 |
break;
|
4267 |
/* Auxiliary CPU registers */
|
4268 |
case 1: |
4269 |
switch (rt) {
|
4270 |
case 0: |
4271 |
gen_op_mftlo(0);
|
4272 |
break;
|
4273 |
case 1: |
4274 |
gen_op_mfthi(0);
|
4275 |
break;
|
4276 |
case 2: |
4277 |
gen_op_mftacx(0);
|
4278 |
break;
|
4279 |
case 4: |
4280 |
gen_op_mftlo(1);
|
4281 |
break;
|
4282 |
case 5: |
4283 |
gen_op_mfthi(1);
|
4284 |
break;
|
4285 |
case 6: |
4286 |
gen_op_mftacx(1);
|
4287 |
break;
|
4288 |
case 8: |
4289 |
gen_op_mftlo(2);
|
4290 |
break;
|
4291 |
case 9: |
4292 |
gen_op_mfthi(2);
|
4293 |
break;
|
4294 |
case 10: |
4295 |
gen_op_mftacx(2);
|
4296 |
break;
|
4297 |
case 12: |
4298 |
gen_op_mftlo(3);
|
4299 |
break;
|
4300 |
case 13: |
4301 |
gen_op_mfthi(3);
|
4302 |
break;
|
4303 |
case 14: |
4304 |
gen_op_mftacx(3);
|
4305 |
break;
|
4306 |
case 16: |
4307 |
gen_op_mftdsp(); |
4308 |
break;
|
4309 |
default:
|
4310 |
goto die;
|
4311 |
} |
4312 |
break;
|
4313 |
/* Floating point (COP1). */
|
4314 |
case 2: |
4315 |
/* XXX: For now we support only a single FPU context. */
|
4316 |
if (h == 0) { |
4317 |
GEN_LOAD_FREG_FTN(WT0, rt); |
4318 |
gen_op_mfc1(); |
4319 |
} else {
|
4320 |
GEN_LOAD_FREG_FTN(WTH0, rt); |
4321 |
gen_op_mfhc1(); |
4322 |
} |
4323 |
break;
|
4324 |
case 3: |
4325 |
/* XXX: For now we support only a single FPU context. */
|
4326 |
gen_op_cfc1(rt); |
4327 |
break;
|
4328 |
/* COP2: Not implemented. */
|
4329 |
case 4: |
4330 |
case 5: |
4331 |
/* fall through */
|
4332 |
default:
|
4333 |
goto die;
|
4334 |
} |
4335 |
#if defined MIPS_DEBUG_DISAS
|
4336 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4337 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
4338 |
rt, u, sel, h); |
4339 |
} |
4340 |
#endif
|
4341 |
return;
|
4342 |
|
4343 |
die:
|
4344 |
#if defined MIPS_DEBUG_DISAS
|
4345 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4346 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
4347 |
rt, u, sel, h); |
4348 |
} |
4349 |
#endif
|
4350 |
generate_exception(ctx, EXCP_RI); |
4351 |
} |
4352 |
|
4353 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, |
4354 |
int u, int sel, int h) |
4355 |
{ |
4356 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
4357 |
|
4358 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
4359 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
4360 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
4361 |
/* NOP */ ;
|
4362 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
4363 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
4364 |
/* NOP */ ;
|
4365 |
else if (u == 0) { |
4366 |
switch (rd) {
|
4367 |
case 2: |
4368 |
switch (sel) {
|
4369 |
case 1: |
4370 |
gen_op_mttc0_tcstatus(); |
4371 |
break;
|
4372 |
case 2: |
4373 |
gen_op_mttc0_tcbind(); |
4374 |
break;
|
4375 |
case 3: |
4376 |
gen_op_mttc0_tcrestart(); |
4377 |
break;
|
4378 |
case 4: |
4379 |
gen_op_mttc0_tchalt(); |
4380 |
break;
|
4381 |
case 5: |
4382 |
gen_op_mttc0_tccontext(); |
4383 |
break;
|
4384 |
case 6: |
4385 |
gen_op_mttc0_tcschedule(); |
4386 |
break;
|
4387 |
case 7: |
4388 |
gen_op_mttc0_tcschefback(); |
4389 |
break;
|
4390 |
default:
|
4391 |
gen_mtc0(env, ctx, rd, sel); |
4392 |
break;
|
4393 |
} |
4394 |
break;
|
4395 |
case 10: |
4396 |
switch (sel) {
|
4397 |
case 0: |
4398 |
gen_op_mttc0_entryhi(); |
4399 |
break;
|
4400 |
default:
|
4401 |
gen_mtc0(env, ctx, rd, sel); |
4402 |
break;
|
4403 |
} |
4404 |
case 12: |
4405 |
switch (sel) {
|
4406 |
case 0: |
4407 |
gen_op_mttc0_status(); |
4408 |
break;
|
4409 |
default:
|
4410 |
gen_mtc0(env, ctx, rd, sel); |
4411 |
break;
|
4412 |
} |
4413 |
case 23: |
4414 |
switch (sel) {
|
4415 |
case 0: |
4416 |
gen_op_mttc0_debug(); |
4417 |
break;
|
4418 |
default:
|
4419 |
gen_mtc0(env, ctx, rd, sel); |
4420 |
break;
|
4421 |
} |
4422 |
break;
|
4423 |
default:
|
4424 |
gen_mtc0(env, ctx, rd, sel); |
4425 |
} |
4426 |
} else switch (sel) { |
4427 |
/* GPR registers. */
|
4428 |
case 0: |
4429 |
gen_op_mttgpr(rd); |
4430 |
break;
|
4431 |
/* Auxiliary CPU registers */
|
4432 |
case 1: |
4433 |
switch (rd) {
|
4434 |
case 0: |
4435 |
gen_op_mttlo(0);
|
4436 |
break;
|
4437 |
case 1: |
4438 |
gen_op_mtthi(0);
|
4439 |
break;
|
4440 |
case 2: |
4441 |
gen_op_mttacx(0);
|
4442 |
break;
|
4443 |
case 4: |
4444 |
gen_op_mttlo(1);
|
4445 |
break;
|
4446 |
case 5: |
4447 |
gen_op_mtthi(1);
|
4448 |
break;
|
4449 |
case 6: |
4450 |
gen_op_mttacx(1);
|
4451 |
break;
|
4452 |
case 8: |
4453 |
gen_op_mttlo(2);
|
4454 |
break;
|
4455 |
case 9: |
4456 |
gen_op_mtthi(2);
|
4457 |
break;
|
4458 |
case 10: |
4459 |
gen_op_mttacx(2);
|
4460 |
break;
|
4461 |
case 12: |
4462 |
gen_op_mttlo(3);
|
4463 |
break;
|
4464 |
case 13: |
4465 |
gen_op_mtthi(3);
|
4466 |
break;
|
4467 |
case 14: |
4468 |
gen_op_mttacx(3);
|
4469 |
break;
|
4470 |
case 16: |
4471 |
gen_op_mttdsp(); |
4472 |
break;
|
4473 |
default:
|
4474 |
goto die;
|
4475 |
} |
4476 |
break;
|
4477 |
/* Floating point (COP1). */
|
4478 |
case 2: |
4479 |
/* XXX: For now we support only a single FPU context. */
|
4480 |
if (h == 0) { |
4481 |
gen_op_mtc1(); |
4482 |
GEN_STORE_FTN_FREG(rd, WT0); |
4483 |
} else {
|
4484 |
gen_op_mthc1(); |
4485 |
GEN_STORE_FTN_FREG(rd, WTH0); |
4486 |
} |
4487 |
break;
|
4488 |
case 3: |
4489 |
/* XXX: For now we support only a single FPU context. */
|
4490 |
gen_op_ctc1(rd); |
4491 |
break;
|
4492 |
/* COP2: Not implemented. */
|
4493 |
case 4: |
4494 |
case 5: |
4495 |
/* fall through */
|
4496 |
default:
|
4497 |
goto die;
|
4498 |
} |
4499 |
#if defined MIPS_DEBUG_DISAS
|
4500 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4501 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
4502 |
rd, u, sel, h); |
4503 |
} |
4504 |
#endif
|
4505 |
return;
|
4506 |
|
4507 |
die:
|
4508 |
#if defined MIPS_DEBUG_DISAS
|
4509 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
4510 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
4511 |
rd, u, sel, h); |
4512 |
} |
4513 |
#endif
|
4514 |
generate_exception(ctx, EXCP_RI); |
4515 |
} |
4516 |
|
4517 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
4518 |
{ |
4519 |
const char *opn = "ldst"; |
4520 |
|
4521 |
switch (opc) {
|
4522 |
case OPC_MFC0:
|
4523 |
if (rt == 0) { |
4524 |
/* Treat as NOP. */
|
4525 |
return;
|
4526 |
} |
4527 |
gen_mfc0(env, ctx, rd, ctx->opcode & 0x7);
|
4528 |
gen_op_store_T0_gpr(rt); |
4529 |
opn = "mfc0";
|
4530 |
break;
|
4531 |
case OPC_MTC0:
|
4532 |
GEN_LOAD_REG_TN(T0, rt); |
4533 |
gen_mtc0(env, ctx, rd, ctx->opcode & 0x7);
|
4534 |
opn = "mtc0";
|
4535 |
break;
|
4536 |
#ifdef TARGET_MIPS64
|
4537 |
case OPC_DMFC0:
|
4538 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
4539 |
generate_exception(ctx, EXCP_RI); |
4540 |
if (rt == 0) { |
4541 |
/* Treat as NOP. */
|
4542 |
return;
|
4543 |
} |
4544 |
gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7);
|
4545 |
gen_op_store_T0_gpr(rt); |
4546 |
opn = "dmfc0";
|
4547 |
break;
|
4548 |
case OPC_DMTC0:
|
4549 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
4550 |
generate_exception(ctx, EXCP_RI); |
4551 |
GEN_LOAD_REG_TN(T0, rt); |
4552 |
gen_dmtc0(env, ctx, rd, ctx->opcode & 0x7);
|
4553 |
opn = "dmtc0";
|
4554 |
break;
|
4555 |
#endif
|
4556 |
case OPC_MFTR:
|
4557 |
check_mips_mt(env, ctx); |
4558 |
if (rd == 0) { |
4559 |
/* Treat as NOP. */
|
4560 |
return;
|
4561 |
} |
4562 |
gen_mftr(env, ctx, rt, (ctx->opcode >> 5) & 1, |
4563 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
4564 |
gen_op_store_T0_gpr(rd); |
4565 |
opn = "mftr";
|
4566 |
break;
|
4567 |
case OPC_MTTR:
|
4568 |
check_mips_mt(env, ctx); |
4569 |
GEN_LOAD_REG_TN(T0, rt); |
4570 |
gen_mttr(env, ctx, rd, (ctx->opcode >> 5) & 1, |
4571 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
4572 |
opn = "mttr";
|
4573 |
break;
|
4574 |
case OPC_TLBWI:
|
4575 |
opn = "tlbwi";
|
4576 |
if (!env->tlb->do_tlbwi)
|
4577 |
goto die;
|
4578 |
gen_op_tlbwi(); |
4579 |
break;
|
4580 |
case OPC_TLBWR:
|
4581 |
opn = "tlbwr";
|
4582 |
if (!env->tlb->do_tlbwr)
|
4583 |
goto die;
|
4584 |
gen_op_tlbwr(); |
4585 |
break;
|
4586 |
case OPC_TLBP:
|
4587 |
opn = "tlbp";
|
4588 |
if (!env->tlb->do_tlbp)
|
4589 |
goto die;
|
4590 |
gen_op_tlbp(); |
4591 |
break;
|
4592 |
case OPC_TLBR:
|
4593 |
opn = "tlbr";
|
4594 |
if (!env->tlb->do_tlbr)
|
4595 |
goto die;
|
4596 |
gen_op_tlbr(); |
4597 |
break;
|
4598 |
case OPC_ERET:
|
4599 |
opn = "eret";
|
4600 |
gen_op_eret(); |
4601 |
ctx->bstate = BS_EXCP; |
4602 |
break;
|
4603 |
case OPC_DERET:
|
4604 |
opn = "deret";
|
4605 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
4606 |
MIPS_INVAL(opn); |
4607 |
generate_exception(ctx, EXCP_RI); |
4608 |
} else {
|
4609 |
gen_op_deret(); |
4610 |
ctx->bstate = BS_EXCP; |
4611 |
} |
4612 |
break;
|
4613 |
case OPC_WAIT:
|
4614 |
opn = "wait";
|
4615 |
/* If we get an exception, we want to restart at next instruction */
|
4616 |
ctx->pc += 4;
|
4617 |
save_cpu_state(ctx, 1);
|
4618 |
ctx->pc -= 4;
|
4619 |
gen_op_wait(); |
4620 |
ctx->bstate = BS_EXCP; |
4621 |
break;
|
4622 |
default:
|
4623 |
die:
|
4624 |
MIPS_INVAL(opn); |
4625 |
generate_exception(ctx, EXCP_RI); |
4626 |
return;
|
4627 |
} |
4628 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
4629 |
} |
4630 |
|
4631 |
/* CP1 Branches (before delay slot) */
|
4632 |
static void gen_compute_branch1 (DisasContext *ctx, uint32_t op, |
4633 |
int32_t cc, int32_t offset) |
4634 |
{ |
4635 |
target_ulong btarget; |
4636 |
const char *opn = "cp1 cond branch"; |
4637 |
|
4638 |
btarget = ctx->pc + 4 + offset;
|
4639 |
|
4640 |
switch (op) {
|
4641 |
case OPC_BC1F:
|
4642 |
gen_op_bc1f(cc); |
4643 |
opn = "bc1f";
|
4644 |
goto not_likely;
|
4645 |
case OPC_BC1FL:
|
4646 |
gen_op_bc1f(cc); |
4647 |
opn = "bc1fl";
|
4648 |
goto likely;
|
4649 |
case OPC_BC1T:
|
4650 |
gen_op_bc1t(cc); |
4651 |
opn = "bc1t";
|
4652 |
goto not_likely;
|
4653 |
case OPC_BC1TL:
|
4654 |
gen_op_bc1t(cc); |
4655 |
opn = "bc1tl";
|
4656 |
likely:
|
4657 |
ctx->hflags |= MIPS_HFLAG_BL; |
4658 |
gen_op_set_bcond(); |
4659 |
gen_op_save_bcond(); |
4660 |
break;
|
4661 |
case OPC_BC1FANY2:
|
4662 |
gen_op_bc1any2f(cc); |
4663 |
opn = "bc1any2f";
|
4664 |
goto not_likely;
|
4665 |
case OPC_BC1TANY2:
|
4666 |
gen_op_bc1any2t(cc); |
4667 |
opn = "bc1any2t";
|
4668 |
goto not_likely;
|
4669 |
case OPC_BC1FANY4:
|
4670 |
gen_op_bc1any4f(cc); |
4671 |
opn = "bc1any4f";
|
4672 |
goto not_likely;
|
4673 |
case OPC_BC1TANY4:
|
4674 |
gen_op_bc1any4t(cc); |
4675 |
opn = "bc1any4t";
|
4676 |
not_likely:
|
4677 |
ctx->hflags |= MIPS_HFLAG_BC; |
4678 |
gen_op_set_bcond(); |
4679 |
break;
|
4680 |
default:
|
4681 |
MIPS_INVAL(opn); |
4682 |
generate_exception (ctx, EXCP_RI); |
4683 |
return;
|
4684 |
} |
4685 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
4686 |
ctx->hflags, btarget); |
4687 |
ctx->btarget = btarget; |
4688 |
} |
4689 |
|
4690 |
/* Coprocessor 1 (FPU) */
|
4691 |
|
4692 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
4693 |
|
4694 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
4695 |
{ |
4696 |
const char *opn = "cp1 move"; |
4697 |
|
4698 |
switch (opc) {
|
4699 |
case OPC_MFC1:
|
4700 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4701 |
gen_op_mfc1(); |
4702 |
GEN_STORE_TN_REG(rt, T0); |
4703 |
opn = "mfc1";
|
4704 |
break;
|
4705 |
case OPC_MTC1:
|
4706 |
GEN_LOAD_REG_TN(T0, rt); |
4707 |
gen_op_mtc1(); |
4708 |
GEN_STORE_FTN_FREG(fs, WT0); |
4709 |
opn = "mtc1";
|
4710 |
break;
|
4711 |
case OPC_CFC1:
|
4712 |
gen_op_cfc1(fs); |
4713 |
GEN_STORE_TN_REG(rt, T0); |
4714 |
opn = "cfc1";
|
4715 |
break;
|
4716 |
case OPC_CTC1:
|
4717 |
GEN_LOAD_REG_TN(T0, rt); |
4718 |
gen_op_ctc1(fs); |
4719 |
opn = "ctc1";
|
4720 |
break;
|
4721 |
case OPC_DMFC1:
|
4722 |
GEN_LOAD_FREG_FTN(DT0, fs); |
4723 |
gen_op_dmfc1(); |
4724 |
GEN_STORE_TN_REG(rt, T0); |
4725 |
opn = "dmfc1";
|
4726 |
break;
|
4727 |
case OPC_DMTC1:
|
4728 |
GEN_LOAD_REG_TN(T0, rt); |
4729 |
gen_op_dmtc1(); |
4730 |
GEN_STORE_FTN_FREG(fs, DT0); |
4731 |
opn = "dmtc1";
|
4732 |
break;
|
4733 |
case OPC_MFHC1:
|
4734 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
4735 |
gen_op_mfhc1(); |
4736 |
GEN_STORE_TN_REG(rt, T0); |
4737 |
opn = "mfhc1";
|
4738 |
break;
|
4739 |
case OPC_MTHC1:
|
4740 |
GEN_LOAD_REG_TN(T0, rt); |
4741 |
gen_op_mthc1(); |
4742 |
GEN_STORE_FTN_FREG(fs, WTH0); |
4743 |
opn = "mthc1";
|
4744 |
break;
|
4745 |
default:
|
4746 |
MIPS_INVAL(opn); |
4747 |
generate_exception (ctx, EXCP_RI); |
4748 |
return;
|
4749 |
} |
4750 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
4751 |
} |
4752 |
|
4753 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
4754 |
{ |
4755 |
uint32_t ccbit; |
4756 |
|
4757 |
GEN_LOAD_REG_TN(T0, rd); |
4758 |
GEN_LOAD_REG_TN(T1, rs); |
4759 |
if (cc) {
|
4760 |
ccbit = 1 << (24 + cc); |
4761 |
} else
|
4762 |
ccbit = 1 << 23; |
4763 |
if (!tf)
|
4764 |
gen_op_movf(ccbit); |
4765 |
else
|
4766 |
gen_op_movt(ccbit); |
4767 |
GEN_STORE_TN_REG(rd, T0); |
4768 |
} |
4769 |
|
4770 |
#define GEN_MOVCF(fmt) \
|
4771 |
static void glue(gen_movcf_, fmt) (DisasContext *ctx, int cc, int tf) \ |
4772 |
{ \ |
4773 |
uint32_t ccbit; \ |
4774 |
\ |
4775 |
if (cc) { \
|
4776 |
ccbit = 1 << (24 + cc); \ |
4777 |
} else \
|
4778 |
ccbit = 1 << 23; \ |
4779 |
if (!tf) \
|
4780 |
glue(gen_op_float_movf_, fmt)(ccbit); \ |
4781 |
else \
|
4782 |
glue(gen_op_float_movt_, fmt)(ccbit); \ |
4783 |
} |
4784 |
GEN_MOVCF(d); |
4785 |
GEN_MOVCF(s); |
4786 |
GEN_MOVCF(ps); |
4787 |
#undef GEN_MOVCF
|
4788 |
|
4789 |
static void gen_farith (DisasContext *ctx, uint32_t op1, |
4790 |
int ft, int fs, int fd, int cc) |
4791 |
{ |
4792 |
const char *opn = "farith"; |
4793 |
const char *condnames[] = { |
4794 |
"c.f",
|
4795 |
"c.un",
|
4796 |
"c.eq",
|
4797 |
"c.ueq",
|
4798 |
"c.olt",
|
4799 |
"c.ult",
|
4800 |
"c.ole",
|
4801 |
"c.ule",
|
4802 |
"c.sf",
|
4803 |
"c.ngle",
|
4804 |
"c.seq",
|
4805 |
"c.ngl",
|
4806 |
"c.lt",
|
4807 |
"c.nge",
|
4808 |
"c.le",
|
4809 |
"c.ngt",
|
4810 |
}; |
4811 |
const char *condnames_abs[] = { |
4812 |
"cabs.f",
|
4813 |
"cabs.un",
|
4814 |
"cabs.eq",
|
4815 |
"cabs.ueq",
|
4816 |
"cabs.olt",
|
4817 |
"cabs.ult",
|
4818 |
"cabs.ole",
|
4819 |
"cabs.ule",
|
4820 |
"cabs.sf",
|
4821 |
"cabs.ngle",
|
4822 |
"cabs.seq",
|
4823 |
"cabs.ngl",
|
4824 |
"cabs.lt",
|
4825 |
"cabs.nge",
|
4826 |
"cabs.le",
|
4827 |
"cabs.ngt",
|
4828 |
}; |
4829 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
4830 |
uint32_t func = ctx->opcode & 0x3f;
|
4831 |
|
4832 |
switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
4833 |
case FOP(0, 16): |
4834 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4835 |
GEN_LOAD_FREG_FTN(WT1, ft); |
4836 |
gen_op_float_add_s(); |
4837 |
GEN_STORE_FTN_FREG(fd, WT2); |
4838 |
opn = "add.s";
|
4839 |
optype = BINOP; |
4840 |
break;
|
4841 |
case FOP(1, 16): |
4842 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4843 |
GEN_LOAD_FREG_FTN(WT1, ft); |
4844 |
gen_op_float_sub_s(); |
4845 |
GEN_STORE_FTN_FREG(fd, WT2); |
4846 |
opn = "sub.s";
|
4847 |
optype = BINOP; |
4848 |
break;
|
4849 |
case FOP(2, 16): |
4850 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4851 |
GEN_LOAD_FREG_FTN(WT1, ft); |
4852 |
gen_op_float_mul_s(); |
4853 |
GEN_STORE_FTN_FREG(fd, WT2); |
4854 |
opn = "mul.s";
|
4855 |
optype = BINOP; |
4856 |
break;
|
4857 |
case FOP(3, 16): |
4858 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4859 |
GEN_LOAD_FREG_FTN(WT1, ft); |
4860 |
gen_op_float_div_s(); |
4861 |
GEN_STORE_FTN_FREG(fd, WT2); |
4862 |
opn = "div.s";
|
4863 |
optype = BINOP; |
4864 |
break;
|
4865 |
case FOP(4, 16): |
4866 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4867 |
gen_op_float_sqrt_s(); |
4868 |
GEN_STORE_FTN_FREG(fd, WT2); |
4869 |
opn = "sqrt.s";
|
4870 |
break;
|
4871 |
case FOP(5, 16): |
4872 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4873 |
gen_op_float_abs_s(); |
4874 |
GEN_STORE_FTN_FREG(fd, WT2); |
4875 |
opn = "abs.s";
|
4876 |
break;
|
4877 |
case FOP(6, 16): |
4878 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4879 |
gen_op_float_mov_s(); |
4880 |
GEN_STORE_FTN_FREG(fd, WT2); |
4881 |
opn = "mov.s";
|
4882 |
break;
|
4883 |
case FOP(7, 16): |
4884 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4885 |
gen_op_float_chs_s(); |
4886 |
GEN_STORE_FTN_FREG(fd, WT2); |
4887 |
opn = "neg.s";
|
4888 |
break;
|
4889 |
case FOP(8, 16): |
4890 |
check_cp1_64bitmode(ctx); |
4891 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4892 |
gen_op_float_roundl_s(); |
4893 |
GEN_STORE_FTN_FREG(fd, DT2); |
4894 |
opn = "round.l.s";
|
4895 |
break;
|
4896 |
case FOP(9, 16): |
4897 |
check_cp1_64bitmode(ctx); |
4898 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4899 |
gen_op_float_truncl_s(); |
4900 |
GEN_STORE_FTN_FREG(fd, DT2); |
4901 |
opn = "trunc.l.s";
|
4902 |
break;
|
4903 |
case FOP(10, 16): |
4904 |
check_cp1_64bitmode(ctx); |
4905 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4906 |
gen_op_float_ceill_s(); |
4907 |
GEN_STORE_FTN_FREG(fd, DT2); |
4908 |
opn = "ceil.l.s";
|
4909 |
break;
|
4910 |
case FOP(11, 16): |
4911 |
check_cp1_64bitmode(ctx); |
4912 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4913 |
gen_op_float_floorl_s(); |
4914 |
GEN_STORE_FTN_FREG(fd, DT2); |
4915 |
opn = "floor.l.s";
|
4916 |
break;
|
4917 |
case FOP(12, 16): |
4918 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4919 |
gen_op_float_roundw_s(); |
4920 |
GEN_STORE_FTN_FREG(fd, WT2); |
4921 |
opn = "round.w.s";
|
4922 |
break;
|
4923 |
case FOP(13, 16): |
4924 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4925 |
gen_op_float_truncw_s(); |
4926 |
GEN_STORE_FTN_FREG(fd, WT2); |
4927 |
opn = "trunc.w.s";
|
4928 |
break;
|
4929 |
case FOP(14, 16): |
4930 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4931 |
gen_op_float_ceilw_s(); |
4932 |
GEN_STORE_FTN_FREG(fd, WT2); |
4933 |
opn = "ceil.w.s";
|
4934 |
break;
|
4935 |
case FOP(15, 16): |
4936 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4937 |
gen_op_float_floorw_s(); |
4938 |
GEN_STORE_FTN_FREG(fd, WT2); |
4939 |
opn = "floor.w.s";
|
4940 |
break;
|
4941 |
case FOP(17, 16): |
4942 |
GEN_LOAD_REG_TN(T0, ft); |
4943 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4944 |
GEN_LOAD_FREG_FTN(WT2, fd); |
4945 |
gen_movcf_s(ctx, (ft >> 2) & 0x7, ft & 0x1); |
4946 |
GEN_STORE_FTN_FREG(fd, WT2); |
4947 |
opn = "movcf.s";
|
4948 |
break;
|
4949 |
case FOP(18, 16): |
4950 |
GEN_LOAD_REG_TN(T0, ft); |
4951 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4952 |
GEN_LOAD_FREG_FTN(WT2, fd); |
4953 |
gen_op_float_movz_s(); |
4954 |
GEN_STORE_FTN_FREG(fd, WT2); |
4955 |
opn = "movz.s";
|
4956 |
break;
|
4957 |
case FOP(19, 16): |
4958 |
GEN_LOAD_REG_TN(T0, ft); |
4959 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4960 |
GEN_LOAD_FREG_FTN(WT2, fd); |
4961 |
gen_op_float_movn_s(); |
4962 |
GEN_STORE_FTN_FREG(fd, WT2); |
4963 |
opn = "movn.s";
|
4964 |
break;
|
4965 |
case FOP(21, 16): |
4966 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4967 |
gen_op_float_recip_s(); |
4968 |
GEN_STORE_FTN_FREG(fd, WT2); |
4969 |
opn = "recip.s";
|
4970 |
break;
|
4971 |
case FOP(22, 16): |
4972 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4973 |
gen_op_float_rsqrt_s(); |
4974 |
GEN_STORE_FTN_FREG(fd, WT2); |
4975 |
opn = "rsqrt.s";
|
4976 |
break;
|
4977 |
case FOP(28, 16): |
4978 |
check_cp1_64bitmode(ctx); |
4979 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4980 |
GEN_LOAD_FREG_FTN(WT2, fd); |
4981 |
gen_op_float_recip2_s(); |
4982 |
GEN_STORE_FTN_FREG(fd, WT2); |
4983 |
opn = "recip2.s";
|
4984 |
break;
|
4985 |
case FOP(29, 16): |
4986 |
check_cp1_64bitmode(ctx); |
4987 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4988 |
gen_op_float_recip1_s(); |
4989 |
GEN_STORE_FTN_FREG(fd, WT2); |
4990 |
opn = "recip1.s";
|
4991 |
break;
|
4992 |
case FOP(30, 16): |
4993 |
check_cp1_64bitmode(ctx); |
4994 |
GEN_LOAD_FREG_FTN(WT0, fs); |
4995 |
gen_op_float_rsqrt1_s(); |
4996 |
GEN_STORE_FTN_FREG(fd, WT2); |
4997 |
opn = "rsqrt1.s";
|
4998 |
break;
|
4999 |
case FOP(31, 16): |
5000 |
check_cp1_64bitmode(ctx); |
5001 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5002 |
GEN_LOAD_FREG_FTN(WT2, ft); |
5003 |
gen_op_float_rsqrt2_s(); |
5004 |
GEN_STORE_FTN_FREG(fd, WT2); |
5005 |
opn = "rsqrt2.s";
|
5006 |
break;
|
5007 |
case FOP(33, 16): |
5008 |
check_cp1_registers(ctx, fd); |
5009 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5010 |
gen_op_float_cvtd_s(); |
5011 |
GEN_STORE_FTN_FREG(fd, DT2); |
5012 |
opn = "cvt.d.s";
|
5013 |
break;
|
5014 |
case FOP(36, 16): |
5015 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5016 |
gen_op_float_cvtw_s(); |
5017 |
GEN_STORE_FTN_FREG(fd, WT2); |
5018 |
opn = "cvt.w.s";
|
5019 |
break;
|
5020 |
case FOP(37, 16): |
5021 |
check_cp1_64bitmode(ctx); |
5022 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5023 |
gen_op_float_cvtl_s(); |
5024 |
GEN_STORE_FTN_FREG(fd, DT2); |
5025 |
opn = "cvt.l.s";
|
5026 |
break;
|
5027 |
case FOP(38, 16): |
5028 |
check_cp1_64bitmode(ctx); |
5029 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5030 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5031 |
gen_op_float_cvtps_s(); |
5032 |
GEN_STORE_FTN_FREG(fd, DT2); |
5033 |
opn = "cvt.ps.s";
|
5034 |
break;
|
5035 |
case FOP(48, 16): |
5036 |
case FOP(49, 16): |
5037 |
case FOP(50, 16): |
5038 |
case FOP(51, 16): |
5039 |
case FOP(52, 16): |
5040 |
case FOP(53, 16): |
5041 |
case FOP(54, 16): |
5042 |
case FOP(55, 16): |
5043 |
case FOP(56, 16): |
5044 |
case FOP(57, 16): |
5045 |
case FOP(58, 16): |
5046 |
case FOP(59, 16): |
5047 |
case FOP(60, 16): |
5048 |
case FOP(61, 16): |
5049 |
case FOP(62, 16): |
5050 |
case FOP(63, 16): |
5051 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5052 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5053 |
if (ctx->opcode & (1 << 6)) { |
5054 |
check_cp1_64bitmode(ctx); |
5055 |
gen_cmpabs_s(func-48, cc);
|
5056 |
opn = condnames_abs[func-48];
|
5057 |
} else {
|
5058 |
gen_cmp_s(func-48, cc);
|
5059 |
opn = condnames[func-48];
|
5060 |
} |
5061 |
break;
|
5062 |
case FOP(0, 17): |
5063 |
check_cp1_registers(ctx, fs | ft | fd); |
5064 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5065 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5066 |
gen_op_float_add_d(); |
5067 |
GEN_STORE_FTN_FREG(fd, DT2); |
5068 |
opn = "add.d";
|
5069 |
optype = BINOP; |
5070 |
break;
|
5071 |
case FOP(1, 17): |
5072 |
check_cp1_registers(ctx, fs | ft | fd); |
5073 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5074 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5075 |
gen_op_float_sub_d(); |
5076 |
GEN_STORE_FTN_FREG(fd, DT2); |
5077 |
opn = "sub.d";
|
5078 |
optype = BINOP; |
5079 |
break;
|
5080 |
case FOP(2, 17): |
5081 |
check_cp1_registers(ctx, fs | ft | fd); |
5082 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5083 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5084 |
gen_op_float_mul_d(); |
5085 |
GEN_STORE_FTN_FREG(fd, DT2); |
5086 |
opn = "mul.d";
|
5087 |
optype = BINOP; |
5088 |
break;
|
5089 |
case FOP(3, 17): |
5090 |
check_cp1_registers(ctx, fs | ft | fd); |
5091 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5092 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5093 |
gen_op_float_div_d(); |
5094 |
GEN_STORE_FTN_FREG(fd, DT2); |
5095 |
opn = "div.d";
|
5096 |
optype = BINOP; |
5097 |
break;
|
5098 |
case FOP(4, 17): |
5099 |
check_cp1_registers(ctx, fs | fd); |
5100 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5101 |
gen_op_float_sqrt_d(); |
5102 |
GEN_STORE_FTN_FREG(fd, DT2); |
5103 |
opn = "sqrt.d";
|
5104 |
break;
|
5105 |
case FOP(5, 17): |
5106 |
check_cp1_registers(ctx, fs | fd); |
5107 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5108 |
gen_op_float_abs_d(); |
5109 |
GEN_STORE_FTN_FREG(fd, DT2); |
5110 |
opn = "abs.d";
|
5111 |
break;
|
5112 |
case FOP(6, 17): |
5113 |
check_cp1_registers(ctx, fs | fd); |
5114 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5115 |
gen_op_float_mov_d(); |
5116 |
GEN_STORE_FTN_FREG(fd, DT2); |
5117 |
opn = "mov.d";
|
5118 |
break;
|
5119 |
case FOP(7, 17): |
5120 |
check_cp1_registers(ctx, fs | fd); |
5121 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5122 |
gen_op_float_chs_d(); |
5123 |
GEN_STORE_FTN_FREG(fd, DT2); |
5124 |
opn = "neg.d";
|
5125 |
break;
|
5126 |
case FOP(8, 17): |
5127 |
check_cp1_64bitmode(ctx); |
5128 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5129 |
gen_op_float_roundl_d(); |
5130 |
GEN_STORE_FTN_FREG(fd, DT2); |
5131 |
opn = "round.l.d";
|
5132 |
break;
|
5133 |
case FOP(9, 17): |
5134 |
check_cp1_64bitmode(ctx); |
5135 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5136 |
gen_op_float_truncl_d(); |
5137 |
GEN_STORE_FTN_FREG(fd, DT2); |
5138 |
opn = "trunc.l.d";
|
5139 |
break;
|
5140 |
case FOP(10, 17): |
5141 |
check_cp1_64bitmode(ctx); |
5142 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5143 |
gen_op_float_ceill_d(); |
5144 |
GEN_STORE_FTN_FREG(fd, DT2); |
5145 |
opn = "ceil.l.d";
|
5146 |
break;
|
5147 |
case FOP(11, 17): |
5148 |
check_cp1_64bitmode(ctx); |
5149 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5150 |
gen_op_float_floorl_d(); |
5151 |
GEN_STORE_FTN_FREG(fd, DT2); |
5152 |
opn = "floor.l.d";
|
5153 |
break;
|
5154 |
case FOP(12, 17): |
5155 |
check_cp1_registers(ctx, fs); |
5156 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5157 |
gen_op_float_roundw_d(); |
5158 |
GEN_STORE_FTN_FREG(fd, WT2); |
5159 |
opn = "round.w.d";
|
5160 |
break;
|
5161 |
case FOP(13, 17): |
5162 |
check_cp1_registers(ctx, fs); |
5163 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5164 |
gen_op_float_truncw_d(); |
5165 |
GEN_STORE_FTN_FREG(fd, WT2); |
5166 |
opn = "trunc.w.d";
|
5167 |
break;
|
5168 |
case FOP(14, 17): |
5169 |
check_cp1_registers(ctx, fs); |
5170 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5171 |
gen_op_float_ceilw_d(); |
5172 |
GEN_STORE_FTN_FREG(fd, WT2); |
5173 |
opn = "ceil.w.d";
|
5174 |
break;
|
5175 |
case FOP(15, 17): |
5176 |
check_cp1_registers(ctx, fs); |
5177 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5178 |
gen_op_float_floorw_d(); |
5179 |
GEN_STORE_FTN_FREG(fd, WT2); |
5180 |
opn = "floor.w.d";
|
5181 |
break;
|
5182 |
case FOP(17, 17): |
5183 |
GEN_LOAD_REG_TN(T0, ft); |
5184 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5185 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5186 |
gen_movcf_d(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5187 |
GEN_STORE_FTN_FREG(fd, DT2); |
5188 |
opn = "movcf.d";
|
5189 |
break;
|
5190 |
case FOP(18, 17): |
5191 |
GEN_LOAD_REG_TN(T0, ft); |
5192 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5193 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5194 |
gen_op_float_movz_d(); |
5195 |
GEN_STORE_FTN_FREG(fd, DT2); |
5196 |
opn = "movz.d";
|
5197 |
break;
|
5198 |
case FOP(19, 17): |
5199 |
GEN_LOAD_REG_TN(T0, ft); |
5200 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5201 |
GEN_LOAD_FREG_FTN(DT2, fd); |
5202 |
gen_op_float_movn_d(); |
5203 |
GEN_STORE_FTN_FREG(fd, DT2); |
5204 |
opn = "movn.d";
|
5205 |
break;
|
5206 |
case FOP(21, 17): |
5207 |
check_cp1_registers(ctx, fs | fd); |
5208 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5209 |
gen_op_float_recip_d(); |
5210 |
GEN_STORE_FTN_FREG(fd, DT2); |
5211 |
opn = "recip.d";
|
5212 |
break;
|
5213 |
case FOP(22, 17): |
5214 |
check_cp1_registers(ctx, fs | fd); |
5215 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5216 |
gen_op_float_rsqrt_d(); |
5217 |
GEN_STORE_FTN_FREG(fd, DT2); |
5218 |
opn = "rsqrt.d";
|
5219 |
break;
|
5220 |
case FOP(28, 17): |
5221 |
check_cp1_64bitmode(ctx); |
5222 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5223 |
GEN_LOAD_FREG_FTN(DT2, ft); |
5224 |
gen_op_float_recip2_d(); |
5225 |
GEN_STORE_FTN_FREG(fd, DT2); |
5226 |
opn = "recip2.d";
|
5227 |
break;
|
5228 |
case FOP(29, 17): |
5229 |
check_cp1_64bitmode(ctx); |
5230 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5231 |
gen_op_float_recip1_d(); |
5232 |
GEN_STORE_FTN_FREG(fd, DT2); |
5233 |
opn = "recip1.d";
|
5234 |
break;
|
5235 |
case FOP(30, 17): |
5236 |
check_cp1_64bitmode(ctx); |
5237 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5238 |
gen_op_float_rsqrt1_d(); |
5239 |
GEN_STORE_FTN_FREG(fd, DT2); |
5240 |
opn = "rsqrt1.d";
|
5241 |
break;
|
5242 |
case FOP(31, 17): |
5243 |
check_cp1_64bitmode(ctx); |
5244 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5245 |
GEN_LOAD_FREG_FTN(DT2, ft); |
5246 |
gen_op_float_rsqrt2_d(); |
5247 |
GEN_STORE_FTN_FREG(fd, DT2); |
5248 |
opn = "rsqrt2.d";
|
5249 |
break;
|
5250 |
case FOP(48, 17): |
5251 |
case FOP(49, 17): |
5252 |
case FOP(50, 17): |
5253 |
case FOP(51, 17): |
5254 |
case FOP(52, 17): |
5255 |
case FOP(53, 17): |
5256 |
case FOP(54, 17): |
5257 |
case FOP(55, 17): |
5258 |
case FOP(56, 17): |
5259 |
case FOP(57, 17): |
5260 |
case FOP(58, 17): |
5261 |
case FOP(59, 17): |
5262 |
case FOP(60, 17): |
5263 |
case FOP(61, 17): |
5264 |
case FOP(62, 17): |
5265 |
case FOP(63, 17): |
5266 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5267 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5268 |
if (ctx->opcode & (1 << 6)) { |
5269 |
check_cp1_64bitmode(ctx); |
5270 |
gen_cmpabs_d(func-48, cc);
|
5271 |
opn = condnames_abs[func-48];
|
5272 |
} else {
|
5273 |
check_cp1_registers(ctx, fs | ft); |
5274 |
gen_cmp_d(func-48, cc);
|
5275 |
opn = condnames[func-48];
|
5276 |
} |
5277 |
break;
|
5278 |
case FOP(32, 17): |
5279 |
check_cp1_registers(ctx, fs); |
5280 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5281 |
gen_op_float_cvts_d(); |
5282 |
GEN_STORE_FTN_FREG(fd, WT2); |
5283 |
opn = "cvt.s.d";
|
5284 |
break;
|
5285 |
case FOP(36, 17): |
5286 |
check_cp1_registers(ctx, fs); |
5287 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5288 |
gen_op_float_cvtw_d(); |
5289 |
GEN_STORE_FTN_FREG(fd, WT2); |
5290 |
opn = "cvt.w.d";
|
5291 |
break;
|
5292 |
case FOP(37, 17): |
5293 |
check_cp1_64bitmode(ctx); |
5294 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5295 |
gen_op_float_cvtl_d(); |
5296 |
GEN_STORE_FTN_FREG(fd, DT2); |
5297 |
opn = "cvt.l.d";
|
5298 |
break;
|
5299 |
case FOP(32, 20): |
5300 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5301 |
gen_op_float_cvts_w(); |
5302 |
GEN_STORE_FTN_FREG(fd, WT2); |
5303 |
opn = "cvt.s.w";
|
5304 |
break;
|
5305 |
case FOP(33, 20): |
5306 |
check_cp1_registers(ctx, fd); |
5307 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5308 |
gen_op_float_cvtd_w(); |
5309 |
GEN_STORE_FTN_FREG(fd, DT2); |
5310 |
opn = "cvt.d.w";
|
5311 |
break;
|
5312 |
case FOP(32, 21): |
5313 |
check_cp1_64bitmode(ctx); |
5314 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5315 |
gen_op_float_cvts_l(); |
5316 |
GEN_STORE_FTN_FREG(fd, WT2); |
5317 |
opn = "cvt.s.l";
|
5318 |
break;
|
5319 |
case FOP(33, 21): |
5320 |
check_cp1_64bitmode(ctx); |
5321 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5322 |
gen_op_float_cvtd_l(); |
5323 |
GEN_STORE_FTN_FREG(fd, DT2); |
5324 |
opn = "cvt.d.l";
|
5325 |
break;
|
5326 |
case FOP(38, 20): |
5327 |
case FOP(38, 21): |
5328 |
check_cp1_64bitmode(ctx); |
5329 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5330 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5331 |
gen_op_float_cvtps_pw(); |
5332 |
GEN_STORE_FTN_FREG(fd, WT2); |
5333 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5334 |
opn = "cvt.ps.pw";
|
5335 |
break;
|
5336 |
case FOP(0, 22): |
5337 |
check_cp1_64bitmode(ctx); |
5338 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5339 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5340 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5341 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5342 |
gen_op_float_add_ps(); |
5343 |
GEN_STORE_FTN_FREG(fd, WT2); |
5344 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5345 |
opn = "add.ps";
|
5346 |
break;
|
5347 |
case FOP(1, 22): |
5348 |
check_cp1_64bitmode(ctx); |
5349 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5350 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5351 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5352 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5353 |
gen_op_float_sub_ps(); |
5354 |
GEN_STORE_FTN_FREG(fd, WT2); |
5355 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5356 |
opn = "sub.ps";
|
5357 |
break;
|
5358 |
case FOP(2, 22): |
5359 |
check_cp1_64bitmode(ctx); |
5360 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5361 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5362 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5363 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5364 |
gen_op_float_mul_ps(); |
5365 |
GEN_STORE_FTN_FREG(fd, WT2); |
5366 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5367 |
opn = "mul.ps";
|
5368 |
break;
|
5369 |
case FOP(5, 22): |
5370 |
check_cp1_64bitmode(ctx); |
5371 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5372 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5373 |
gen_op_float_abs_ps(); |
5374 |
GEN_STORE_FTN_FREG(fd, WT2); |
5375 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5376 |
opn = "abs.ps";
|
5377 |
break;
|
5378 |
case FOP(6, 22): |
5379 |
check_cp1_64bitmode(ctx); |
5380 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5381 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5382 |
gen_op_float_mov_ps(); |
5383 |
GEN_STORE_FTN_FREG(fd, WT2); |
5384 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5385 |
opn = "mov.ps";
|
5386 |
break;
|
5387 |
case FOP(7, 22): |
5388 |
check_cp1_64bitmode(ctx); |
5389 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5390 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5391 |
gen_op_float_chs_ps(); |
5392 |
GEN_STORE_FTN_FREG(fd, WT2); |
5393 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5394 |
opn = "neg.ps";
|
5395 |
break;
|
5396 |
case FOP(17, 22): |
5397 |
check_cp1_64bitmode(ctx); |
5398 |
GEN_LOAD_REG_TN(T0, ft); |
5399 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5400 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5401 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5402 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5403 |
gen_movcf_ps(ctx, (ft >> 2) & 0x7, ft & 0x1); |
5404 |
GEN_STORE_FTN_FREG(fd, WT2); |
5405 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5406 |
opn = "movcf.ps";
|
5407 |
break;
|
5408 |
case FOP(18, 22): |
5409 |
check_cp1_64bitmode(ctx); |
5410 |
GEN_LOAD_REG_TN(T0, ft); |
5411 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5412 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5413 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5414 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5415 |
gen_op_float_movz_ps(); |
5416 |
GEN_STORE_FTN_FREG(fd, WT2); |
5417 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5418 |
opn = "movz.ps";
|
5419 |
break;
|
5420 |
case FOP(19, 22): |
5421 |
check_cp1_64bitmode(ctx); |
5422 |
GEN_LOAD_REG_TN(T0, ft); |
5423 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5424 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5425 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5426 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5427 |
gen_op_float_movn_ps(); |
5428 |
GEN_STORE_FTN_FREG(fd, WT2); |
5429 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5430 |
opn = "movn.ps";
|
5431 |
break;
|
5432 |
case FOP(24, 22): |
5433 |
check_cp1_64bitmode(ctx); |
5434 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5435 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
5436 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5437 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
5438 |
gen_op_float_addr_ps(); |
5439 |
GEN_STORE_FTN_FREG(fd, WT2); |
5440 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5441 |
opn = "addr.ps";
|
5442 |
break;
|
5443 |
case FOP(26, 22): |
5444 |
check_cp1_64bitmode(ctx); |
5445 |
GEN_LOAD_FREG_FTN(WT0, ft); |
5446 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
5447 |
GEN_LOAD_FREG_FTN(WT1, fs); |
5448 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
5449 |
gen_op_float_mulr_ps(); |
5450 |
GEN_STORE_FTN_FREG(fd, WT2); |
5451 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5452 |
opn = "mulr.ps";
|
5453 |
break;
|
5454 |
case FOP(28, 22): |
5455 |
check_cp1_64bitmode(ctx); |
5456 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5457 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5458 |
GEN_LOAD_FREG_FTN(WT2, fd); |
5459 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
5460 |
gen_op_float_recip2_ps(); |
5461 |
GEN_STORE_FTN_FREG(fd, WT2); |
5462 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5463 |
opn = "recip2.ps";
|
5464 |
break;
|
5465 |
case FOP(29, 22): |
5466 |
check_cp1_64bitmode(ctx); |
5467 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5468 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5469 |
gen_op_float_recip1_ps(); |
5470 |
GEN_STORE_FTN_FREG(fd, WT2); |
5471 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5472 |
opn = "recip1.ps";
|
5473 |
break;
|
5474 |
case FOP(30, 22): |
5475 |
check_cp1_64bitmode(ctx); |
5476 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5477 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5478 |
gen_op_float_rsqrt1_ps(); |
5479 |
GEN_STORE_FTN_FREG(fd, WT2); |
5480 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5481 |
opn = "rsqrt1.ps";
|
5482 |
break;
|
5483 |
case FOP(31, 22): |
5484 |
check_cp1_64bitmode(ctx); |
5485 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5486 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5487 |
GEN_LOAD_FREG_FTN(WT2, ft); |
5488 |
GEN_LOAD_FREG_FTN(WTH2, ft); |
5489 |
gen_op_float_rsqrt2_ps(); |
5490 |
GEN_STORE_FTN_FREG(fd, WT2); |
5491 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5492 |
opn = "rsqrt2.ps";
|
5493 |
break;
|
5494 |
case FOP(32, 22): |
5495 |
check_cp1_64bitmode(ctx); |
5496 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5497 |
gen_op_float_cvts_pu(); |
5498 |
GEN_STORE_FTN_FREG(fd, WT2); |
5499 |
opn = "cvt.s.pu";
|
5500 |
break;
|
5501 |
case FOP(36, 22): |
5502 |
check_cp1_64bitmode(ctx); |
5503 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5504 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5505 |
gen_op_float_cvtpw_ps(); |
5506 |
GEN_STORE_FTN_FREG(fd, WT2); |
5507 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5508 |
opn = "cvt.pw.ps";
|
5509 |
break;
|
5510 |
case FOP(40, 22): |
5511 |
check_cp1_64bitmode(ctx); |
5512 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5513 |
gen_op_float_cvts_pl(); |
5514 |
GEN_STORE_FTN_FREG(fd, WT2); |
5515 |
opn = "cvt.s.pl";
|
5516 |
break;
|
5517 |
case FOP(44, 22): |
5518 |
check_cp1_64bitmode(ctx); |
5519 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5520 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5521 |
gen_op_float_pll_ps(); |
5522 |
GEN_STORE_FTN_FREG(fd, DT2); |
5523 |
opn = "pll.ps";
|
5524 |
break;
|
5525 |
case FOP(45, 22): |
5526 |
check_cp1_64bitmode(ctx); |
5527 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5528 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5529 |
gen_op_float_plu_ps(); |
5530 |
GEN_STORE_FTN_FREG(fd, DT2); |
5531 |
opn = "plu.ps";
|
5532 |
break;
|
5533 |
case FOP(46, 22): |
5534 |
check_cp1_64bitmode(ctx); |
5535 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5536 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5537 |
gen_op_float_pul_ps(); |
5538 |
GEN_STORE_FTN_FREG(fd, DT2); |
5539 |
opn = "pul.ps";
|
5540 |
break;
|
5541 |
case FOP(47, 22): |
5542 |
check_cp1_64bitmode(ctx); |
5543 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5544 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5545 |
gen_op_float_puu_ps(); |
5546 |
GEN_STORE_FTN_FREG(fd, DT2); |
5547 |
opn = "puu.ps";
|
5548 |
break;
|
5549 |
case FOP(48, 22): |
5550 |
case FOP(49, 22): |
5551 |
case FOP(50, 22): |
5552 |
case FOP(51, 22): |
5553 |
case FOP(52, 22): |
5554 |
case FOP(53, 22): |
5555 |
case FOP(54, 22): |
5556 |
case FOP(55, 22): |
5557 |
case FOP(56, 22): |
5558 |
case FOP(57, 22): |
5559 |
case FOP(58, 22): |
5560 |
case FOP(59, 22): |
5561 |
case FOP(60, 22): |
5562 |
case FOP(61, 22): |
5563 |
case FOP(62, 22): |
5564 |
case FOP(63, 22): |
5565 |
check_cp1_64bitmode(ctx); |
5566 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5567 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5568 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5569 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5570 |
if (ctx->opcode & (1 << 6)) { |
5571 |
gen_cmpabs_ps(func-48, cc);
|
5572 |
opn = condnames_abs[func-48];
|
5573 |
} else {
|
5574 |
gen_cmp_ps(func-48, cc);
|
5575 |
opn = condnames[func-48];
|
5576 |
} |
5577 |
break;
|
5578 |
default:
|
5579 |
MIPS_INVAL(opn); |
5580 |
generate_exception (ctx, EXCP_RI); |
5581 |
return;
|
5582 |
} |
5583 |
switch (optype) {
|
5584 |
case BINOP:
|
5585 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
5586 |
break;
|
5587 |
case CMPOP:
|
5588 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
5589 |
break;
|
5590 |
default:
|
5591 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
5592 |
break;
|
5593 |
} |
5594 |
} |
5595 |
|
5596 |
/* Coprocessor 3 (FPU) */
|
5597 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
5598 |
int fd, int fs, int base, int index) |
5599 |
{ |
5600 |
const char *opn = "extended float load/store"; |
5601 |
int store = 0; |
5602 |
|
5603 |
/* All of those work only on 64bit FPUs. */
|
5604 |
check_cp1_64bitmode(ctx); |
5605 |
if (base == 0) { |
5606 |
if (index == 0) |
5607 |
gen_op_reset_T0(); |
5608 |
else
|
5609 |
GEN_LOAD_REG_TN(T0, index); |
5610 |
} else if (index == 0) { |
5611 |
GEN_LOAD_REG_TN(T0, base); |
5612 |
} else {
|
5613 |
GEN_LOAD_REG_TN(T0, base); |
5614 |
GEN_LOAD_REG_TN(T1, index); |
5615 |
gen_op_addr_add(); |
5616 |
} |
5617 |
/* Don't do NOP if destination is zero: we must perform the actual
|
5618 |
memory access. */
|
5619 |
switch (opc) {
|
5620 |
case OPC_LWXC1:
|
5621 |
op_ldst(lwc1); |
5622 |
GEN_STORE_FTN_FREG(fd, WT0); |
5623 |
opn = "lwxc1";
|
5624 |
break;
|
5625 |
case OPC_LDXC1:
|
5626 |
op_ldst(ldc1); |
5627 |
GEN_STORE_FTN_FREG(fd, DT0); |
5628 |
opn = "ldxc1";
|
5629 |
break;
|
5630 |
case OPC_LUXC1:
|
5631 |
op_ldst(luxc1); |
5632 |
GEN_STORE_FTN_FREG(fd, DT0); |
5633 |
opn = "luxc1";
|
5634 |
break;
|
5635 |
case OPC_SWXC1:
|
5636 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5637 |
op_ldst(swc1); |
5638 |
opn = "swxc1";
|
5639 |
store = 1;
|
5640 |
break;
|
5641 |
case OPC_SDXC1:
|
5642 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5643 |
op_ldst(sdc1); |
5644 |
opn = "sdxc1";
|
5645 |
store = 1;
|
5646 |
break;
|
5647 |
case OPC_SUXC1:
|
5648 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5649 |
op_ldst(suxc1); |
5650 |
opn = "suxc1";
|
5651 |
store = 1;
|
5652 |
break;
|
5653 |
default:
|
5654 |
MIPS_INVAL(opn); |
5655 |
generate_exception(ctx, EXCP_RI); |
5656 |
return;
|
5657 |
} |
5658 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
5659 |
regnames[index], regnames[base]); |
5660 |
} |
5661 |
|
5662 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
5663 |
int fd, int fr, int fs, int ft) |
5664 |
{ |
5665 |
const char *opn = "flt3_arith"; |
5666 |
|
5667 |
/* All of those work only on 64bit FPUs. */
|
5668 |
check_cp1_64bitmode(ctx); |
5669 |
switch (opc) {
|
5670 |
case OPC_ALNV_PS:
|
5671 |
GEN_LOAD_REG_TN(T0, fr); |
5672 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5673 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5674 |
gen_op_float_alnv_ps(); |
5675 |
GEN_STORE_FTN_FREG(fd, DT2); |
5676 |
opn = "alnv.ps";
|
5677 |
break;
|
5678 |
case OPC_MADD_S:
|
5679 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5680 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5681 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5682 |
gen_op_float_muladd_s(); |
5683 |
GEN_STORE_FTN_FREG(fd, WT2); |
5684 |
opn = "madd.s";
|
5685 |
break;
|
5686 |
case OPC_MADD_D:
|
5687 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5688 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5689 |
GEN_LOAD_FREG_FTN(DT2, fr); |
5690 |
gen_op_float_muladd_d(); |
5691 |
GEN_STORE_FTN_FREG(fd, DT2); |
5692 |
opn = "madd.d";
|
5693 |
break;
|
5694 |
case OPC_MADD_PS:
|
5695 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5696 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5697 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5698 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5699 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5700 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
5701 |
gen_op_float_muladd_ps(); |
5702 |
GEN_STORE_FTN_FREG(fd, WT2); |
5703 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5704 |
opn = "madd.ps";
|
5705 |
break;
|
5706 |
case OPC_MSUB_S:
|
5707 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5708 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5709 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5710 |
gen_op_float_mulsub_s(); |
5711 |
GEN_STORE_FTN_FREG(fd, WT2); |
5712 |
opn = "msub.s";
|
5713 |
break;
|
5714 |
case OPC_MSUB_D:
|
5715 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5716 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5717 |
GEN_LOAD_FREG_FTN(DT2, fr); |
5718 |
gen_op_float_mulsub_d(); |
5719 |
GEN_STORE_FTN_FREG(fd, DT2); |
5720 |
opn = "msub.d";
|
5721 |
break;
|
5722 |
case OPC_MSUB_PS:
|
5723 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5724 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5725 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5726 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5727 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5728 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
5729 |
gen_op_float_mulsub_ps(); |
5730 |
GEN_STORE_FTN_FREG(fd, WT2); |
5731 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5732 |
opn = "msub.ps";
|
5733 |
break;
|
5734 |
case OPC_NMADD_S:
|
5735 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5736 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5737 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5738 |
gen_op_float_nmuladd_s(); |
5739 |
GEN_STORE_FTN_FREG(fd, WT2); |
5740 |
opn = "nmadd.s";
|
5741 |
break;
|
5742 |
case OPC_NMADD_D:
|
5743 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5744 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5745 |
GEN_LOAD_FREG_FTN(DT2, fr); |
5746 |
gen_op_float_nmuladd_d(); |
5747 |
GEN_STORE_FTN_FREG(fd, DT2); |
5748 |
opn = "nmadd.d";
|
5749 |
break;
|
5750 |
case OPC_NMADD_PS:
|
5751 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5752 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5753 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5754 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5755 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5756 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
5757 |
gen_op_float_nmuladd_ps(); |
5758 |
GEN_STORE_FTN_FREG(fd, WT2); |
5759 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5760 |
opn = "nmadd.ps";
|
5761 |
break;
|
5762 |
case OPC_NMSUB_S:
|
5763 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5764 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5765 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5766 |
gen_op_float_nmulsub_s(); |
5767 |
GEN_STORE_FTN_FREG(fd, WT2); |
5768 |
opn = "nmsub.s";
|
5769 |
break;
|
5770 |
case OPC_NMSUB_D:
|
5771 |
GEN_LOAD_FREG_FTN(DT0, fs); |
5772 |
GEN_LOAD_FREG_FTN(DT1, ft); |
5773 |
GEN_LOAD_FREG_FTN(DT2, fr); |
5774 |
gen_op_float_nmulsub_d(); |
5775 |
GEN_STORE_FTN_FREG(fd, DT2); |
5776 |
opn = "nmsub.d";
|
5777 |
break;
|
5778 |
case OPC_NMSUB_PS:
|
5779 |
GEN_LOAD_FREG_FTN(WT0, fs); |
5780 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
5781 |
GEN_LOAD_FREG_FTN(WT1, ft); |
5782 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
5783 |
GEN_LOAD_FREG_FTN(WT2, fr); |
5784 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
5785 |
gen_op_float_nmulsub_ps(); |
5786 |
GEN_STORE_FTN_FREG(fd, WT2); |
5787 |
GEN_STORE_FTN_FREG(fd, WTH2); |
5788 |
opn = "nmsub.ps";
|
5789 |
break;
|
5790 |
default:
|
5791 |
MIPS_INVAL(opn); |
5792 |
generate_exception (ctx, EXCP_RI); |
5793 |
return;
|
5794 |
} |
5795 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
5796 |
fregnames[fs], fregnames[ft]); |
5797 |
} |
5798 |
|
5799 |
/* ISA extensions (ASEs) */
|
5800 |
/* MIPS16 extension to MIPS32 */
|
5801 |
/* SmartMIPS extension to MIPS32 */
|
5802 |
|
5803 |
#ifdef TARGET_MIPS64
|
5804 |
|
5805 |
/* MDMX extension to MIPS64 */
|
5806 |
/* MIPS-3D extension to MIPS64 */
|
5807 |
|
5808 |
#endif
|
5809 |
|
5810 |
static void decode_opc (CPUState *env, DisasContext *ctx) |
5811 |
{ |
5812 |
int32_t offset; |
5813 |
int rs, rt, rd, sa;
|
5814 |
uint32_t op, op1, op2; |
5815 |
int16_t imm; |
5816 |
|
5817 |
/* make sure instructions are on a word boundary */
|
5818 |
if (ctx->pc & 0x3) { |
5819 |
env->CP0_BadVAddr = ctx->pc; |
5820 |
generate_exception(ctx, EXCP_AdEL); |
5821 |
return;
|
5822 |
} |
5823 |
|
5824 |
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
|
5825 |
int l1;
|
5826 |
/* Handle blikely not taken case */
|
5827 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
5828 |
l1 = gen_new_label(); |
5829 |
gen_op_jnz_T2(l1); |
5830 |
gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK); |
5831 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
5832 |
gen_set_label(l1); |
5833 |
} |
5834 |
op = MASK_OP_MAJOR(ctx->opcode); |
5835 |
rs = (ctx->opcode >> 21) & 0x1f; |
5836 |
rt = (ctx->opcode >> 16) & 0x1f; |
5837 |
rd = (ctx->opcode >> 11) & 0x1f; |
5838 |
sa = (ctx->opcode >> 6) & 0x1f; |
5839 |
imm = (int16_t)ctx->opcode; |
5840 |
switch (op) {
|
5841 |
case OPC_SPECIAL:
|
5842 |
op1 = MASK_SPECIAL(ctx->opcode); |
5843 |
switch (op1) {
|
5844 |
case OPC_SLL: /* Arithmetic with immediate */ |
5845 |
case OPC_SRL ... OPC_SRA:
|
5846 |
gen_arith_imm(ctx, op1, rd, rt, sa); |
5847 |
break;
|
5848 |
case OPC_SLLV: /* Arithmetic */ |
5849 |
case OPC_SRLV ... OPC_SRAV:
|
5850 |
case OPC_MOVZ ... OPC_MOVN:
|
5851 |
case OPC_ADD ... OPC_NOR:
|
5852 |
case OPC_SLT ... OPC_SLTU:
|
5853 |
gen_arith(ctx, op1, rd, rs, rt); |
5854 |
break;
|
5855 |
case OPC_MULT ... OPC_DIVU:
|
5856 |
gen_muldiv(ctx, op1, rs, rt); |
5857 |
break;
|
5858 |
case OPC_JR ... OPC_JALR:
|
5859 |
gen_compute_branch(ctx, op1, rs, rd, sa); |
5860 |
return;
|
5861 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
5862 |
case OPC_TNE:
|
5863 |
gen_trap(ctx, op1, rs, rt, -1);
|
5864 |
break;
|
5865 |
case OPC_MFHI: /* Move from HI/LO */ |
5866 |
case OPC_MFLO:
|
5867 |
gen_HILO(ctx, op1, rd); |
5868 |
break;
|
5869 |
case OPC_MTHI:
|
5870 |
case OPC_MTLO: /* Move to HI/LO */ |
5871 |
gen_HILO(ctx, op1, rs); |
5872 |
break;
|
5873 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
5874 |
#ifdef MIPS_STRICT_STANDARD
|
5875 |
MIPS_INVAL("PMON / selsl");
|
5876 |
generate_exception(ctx, EXCP_RI); |
5877 |
#else
|
5878 |
gen_op_pmon(sa); |
5879 |
#endif
|
5880 |
break;
|
5881 |
case OPC_SYSCALL:
|
5882 |
generate_exception(ctx, EXCP_SYSCALL); |
5883 |
break;
|
5884 |
case OPC_BREAK:
|
5885 |
generate_exception(ctx, EXCP_BREAK); |
5886 |
break;
|
5887 |
case OPC_SPIM:
|
5888 |
#ifdef MIPS_STRICT_STANDARD
|
5889 |
MIPS_INVAL("SPIM");
|
5890 |
generate_exception(ctx, EXCP_RI); |
5891 |
#else
|
5892 |
/* Implemented as RI exception for now. */
|
5893 |
MIPS_INVAL("spim (unofficial)");
|
5894 |
generate_exception(ctx, EXCP_RI); |
5895 |
#endif
|
5896 |
break;
|
5897 |
case OPC_SYNC:
|
5898 |
/* Treat as NOP. */
|
5899 |
break;
|
5900 |
|
5901 |
case OPC_MOVCI:
|
5902 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
5903 |
save_cpu_state(ctx, 1);
|
5904 |
check_cp1_enabled(ctx); |
5905 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
5906 |
(ctx->opcode >> 16) & 1); |
5907 |
} else {
|
5908 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
5909 |
} |
5910 |
break;
|
5911 |
|
5912 |
#ifdef TARGET_MIPS64
|
5913 |
/* MIPS64 specific opcodes */
|
5914 |
case OPC_DSLL:
|
5915 |
case OPC_DSRL ... OPC_DSRA:
|
5916 |
case OPC_DSLL32:
|
5917 |
case OPC_DSRL32 ... OPC_DSRA32:
|
5918 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
5919 |
generate_exception(ctx, EXCP_RI); |
5920 |
gen_arith_imm(ctx, op1, rd, rt, sa); |
5921 |
break;
|
5922 |
case OPC_DSLLV:
|
5923 |
case OPC_DSRLV ... OPC_DSRAV:
|
5924 |
case OPC_DADD ... OPC_DSUBU:
|
5925 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
5926 |
generate_exception(ctx, EXCP_RI); |
5927 |
gen_arith(ctx, op1, rd, rs, rt); |
5928 |
break;
|
5929 |
case OPC_DMULT ... OPC_DDIVU:
|
5930 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
5931 |
generate_exception(ctx, EXCP_RI); |
5932 |
gen_muldiv(ctx, op1, rs, rt); |
5933 |
break;
|
5934 |
#endif
|
5935 |
default: /* Invalid */ |
5936 |
MIPS_INVAL("special");
|
5937 |
generate_exception(ctx, EXCP_RI); |
5938 |
break;
|
5939 |
} |
5940 |
break;
|
5941 |
case OPC_SPECIAL2:
|
5942 |
op1 = MASK_SPECIAL2(ctx->opcode); |
5943 |
switch (op1) {
|
5944 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
5945 |
case OPC_MSUB ... OPC_MSUBU:
|
5946 |
gen_muldiv(ctx, op1, rs, rt); |
5947 |
break;
|
5948 |
case OPC_MUL:
|
5949 |
gen_arith(ctx, op1, rd, rs, rt); |
5950 |
break;
|
5951 |
case OPC_CLZ ... OPC_CLO:
|
5952 |
gen_cl(ctx, op1, rd, rs); |
5953 |
break;
|
5954 |
case OPC_SDBBP:
|
5955 |
/* XXX: not clear which exception should be raised
|
5956 |
* when in debug mode...
|
5957 |
*/
|
5958 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
5959 |
generate_exception(ctx, EXCP_DBp); |
5960 |
} else {
|
5961 |
generate_exception(ctx, EXCP_DBp); |
5962 |
} |
5963 |
/* Treat as NOP. */
|
5964 |
break;
|
5965 |
#ifdef TARGET_MIPS64
|
5966 |
case OPC_DCLZ ... OPC_DCLO:
|
5967 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
5968 |
generate_exception(ctx, EXCP_RI); |
5969 |
gen_cl(ctx, op1, rd, rs); |
5970 |
break;
|
5971 |
#endif
|
5972 |
default: /* Invalid */ |
5973 |
MIPS_INVAL("special2");
|
5974 |
generate_exception(ctx, EXCP_RI); |
5975 |
break;
|
5976 |
} |
5977 |
break;
|
5978 |
case OPC_SPECIAL3:
|
5979 |
check_mips_r2(env, ctx); |
5980 |
op1 = MASK_SPECIAL3(ctx->opcode); |
5981 |
switch (op1) {
|
5982 |
case OPC_EXT:
|
5983 |
case OPC_INS:
|
5984 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
5985 |
break;
|
5986 |
case OPC_BSHFL:
|
5987 |
op2 = MASK_BSHFL(ctx->opcode); |
5988 |
switch (op2) {
|
5989 |
case OPC_WSBH:
|
5990 |
GEN_LOAD_REG_TN(T1, rt); |
5991 |
gen_op_wsbh(); |
5992 |
break;
|
5993 |
case OPC_SEB:
|
5994 |
GEN_LOAD_REG_TN(T1, rt); |
5995 |
gen_op_seb(); |
5996 |
break;
|
5997 |
case OPC_SEH:
|
5998 |
GEN_LOAD_REG_TN(T1, rt); |
5999 |
gen_op_seh(); |
6000 |
break;
|
6001 |
default: /* Invalid */ |
6002 |
MIPS_INVAL("bshfl");
|
6003 |
generate_exception(ctx, EXCP_RI); |
6004 |
break;
|
6005 |
} |
6006 |
GEN_STORE_TN_REG(rd, T0); |
6007 |
break;
|
6008 |
case OPC_RDHWR:
|
6009 |
switch (rd) {
|
6010 |
case 0: |
6011 |
save_cpu_state(ctx, 1);
|
6012 |
gen_op_rdhwr_cpunum(); |
6013 |
break;
|
6014 |
case 1: |
6015 |
save_cpu_state(ctx, 1);
|
6016 |
gen_op_rdhwr_synci_step(); |
6017 |
break;
|
6018 |
case 2: |
6019 |
save_cpu_state(ctx, 1);
|
6020 |
gen_op_rdhwr_cc(); |
6021 |
break;
|
6022 |
case 3: |
6023 |
save_cpu_state(ctx, 1);
|
6024 |
gen_op_rdhwr_ccres(); |
6025 |
break;
|
6026 |
case 29: |
6027 |
#if defined (CONFIG_USER_ONLY)
|
6028 |
gen_op_tls_value(); |
6029 |
break;
|
6030 |
#endif
|
6031 |
default: /* Invalid */ |
6032 |
MIPS_INVAL("rdhwr");
|
6033 |
generate_exception(ctx, EXCP_RI); |
6034 |
break;
|
6035 |
} |
6036 |
GEN_STORE_TN_REG(rt, T0); |
6037 |
break;
|
6038 |
case OPC_FORK:
|
6039 |
check_mips_mt(env, ctx); |
6040 |
GEN_LOAD_REG_TN(T0, rt); |
6041 |
GEN_LOAD_REG_TN(T1, rs); |
6042 |
gen_op_fork(); |
6043 |
break;
|
6044 |
case OPC_YIELD:
|
6045 |
check_mips_mt(env, ctx); |
6046 |
GEN_LOAD_REG_TN(T0, rs); |
6047 |
gen_op_yield(); |
6048 |
GEN_STORE_TN_REG(rd, T0); |
6049 |
break;
|
6050 |
#ifdef TARGET_MIPS64
|
6051 |
case OPC_DEXTM ... OPC_DEXT:
|
6052 |
case OPC_DINSM ... OPC_DINS:
|
6053 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
6054 |
generate_exception(ctx, EXCP_RI); |
6055 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
6056 |
break;
|
6057 |
case OPC_DBSHFL:
|
6058 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
6059 |
generate_exception(ctx, EXCP_RI); |
6060 |
op2 = MASK_DBSHFL(ctx->opcode); |
6061 |
switch (op2) {
|
6062 |
case OPC_DSBH:
|
6063 |
GEN_LOAD_REG_TN(T1, rt); |
6064 |
gen_op_dsbh(); |
6065 |
break;
|
6066 |
case OPC_DSHD:
|
6067 |
GEN_LOAD_REG_TN(T1, rt); |
6068 |
gen_op_dshd(); |
6069 |
break;
|
6070 |
default: /* Invalid */ |
6071 |
MIPS_INVAL("dbshfl");
|
6072 |
generate_exception(ctx, EXCP_RI); |
6073 |
break;
|
6074 |
} |
6075 |
GEN_STORE_TN_REG(rd, T0); |
6076 |
#endif
|
6077 |
default: /* Invalid */ |
6078 |
MIPS_INVAL("special3");
|
6079 |
generate_exception(ctx, EXCP_RI); |
6080 |
break;
|
6081 |
} |
6082 |
break;
|
6083 |
case OPC_REGIMM:
|
6084 |
op1 = MASK_REGIMM(ctx->opcode); |
6085 |
switch (op1) {
|
6086 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
6087 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
6088 |
gen_compute_branch(ctx, op1, rs, -1, imm << 2); |
6089 |
return;
|
6090 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
6091 |
case OPC_TNEI:
|
6092 |
gen_trap(ctx, op1, rs, -1, imm);
|
6093 |
break;
|
6094 |
case OPC_SYNCI:
|
6095 |
check_mips_r2(env, ctx); |
6096 |
/* Treat as NOP. */
|
6097 |
break;
|
6098 |
default: /* Invalid */ |
6099 |
MIPS_INVAL("regimm");
|
6100 |
generate_exception(ctx, EXCP_RI); |
6101 |
break;
|
6102 |
} |
6103 |
break;
|
6104 |
case OPC_CP0:
|
6105 |
save_cpu_state(ctx, 1);
|
6106 |
gen_op_cp0_enabled(); |
6107 |
op1 = MASK_CP0(ctx->opcode); |
6108 |
switch (op1) {
|
6109 |
case OPC_MFC0:
|
6110 |
case OPC_MTC0:
|
6111 |
case OPC_MFTR:
|
6112 |
case OPC_MTTR:
|
6113 |
#ifdef TARGET_MIPS64
|
6114 |
case OPC_DMFC0:
|
6115 |
case OPC_DMTC0:
|
6116 |
#endif
|
6117 |
gen_cp0(env, ctx, op1, rt, rd); |
6118 |
break;
|
6119 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
6120 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
6121 |
break;
|
6122 |
case OPC_MFMC0:
|
6123 |
check_mips_r2(env, ctx); |
6124 |
op2 = MASK_MFMC0(ctx->opcode); |
6125 |
switch (op2) {
|
6126 |
case OPC_DMT:
|
6127 |
check_mips_mt(env, ctx); |
6128 |
gen_op_dmt(); |
6129 |
break;
|
6130 |
case OPC_EMT:
|
6131 |
check_mips_mt(env, ctx); |
6132 |
gen_op_emt(); |
6133 |
break;
|
6134 |
case OPC_DVPE:
|
6135 |
check_mips_mt(env, ctx); |
6136 |
gen_op_dvpe(); |
6137 |
break;
|
6138 |
case OPC_EVPE:
|
6139 |
check_mips_mt(env, ctx); |
6140 |
gen_op_evpe(); |
6141 |
break;
|
6142 |
case OPC_DI:
|
6143 |
gen_op_di(); |
6144 |
/* Stop translation as we may have switched the execution mode */
|
6145 |
ctx->bstate = BS_STOP; |
6146 |
break;
|
6147 |
case OPC_EI:
|
6148 |
gen_op_ei(); |
6149 |
/* Stop translation as we may have switched the execution mode */
|
6150 |
ctx->bstate = BS_STOP; |
6151 |
break;
|
6152 |
default: /* Invalid */ |
6153 |
MIPS_INVAL("mfmc0");
|
6154 |
generate_exception(ctx, EXCP_RI); |
6155 |
break;
|
6156 |
} |
6157 |
GEN_STORE_TN_REG(rt, T0); |
6158 |
break;
|
6159 |
case OPC_RDPGPR:
|
6160 |
check_mips_r2(env, ctx); |
6161 |
GEN_LOAD_SRSREG_TN(T0, rt); |
6162 |
GEN_STORE_TN_REG(rd, T0); |
6163 |
break;
|
6164 |
case OPC_WRPGPR:
|
6165 |
check_mips_r2(env, ctx); |
6166 |
GEN_LOAD_REG_TN(T0, rt); |
6167 |
GEN_STORE_TN_SRSREG(rd, T0); |
6168 |
break;
|
6169 |
default:
|
6170 |
MIPS_INVAL("cp0");
|
6171 |
generate_exception(ctx, EXCP_RI); |
6172 |
break;
|
6173 |
} |
6174 |
break;
|
6175 |
case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */ |
6176 |
gen_arith_imm(ctx, op, rt, rs, imm); |
6177 |
break;
|
6178 |
case OPC_J ... OPC_JAL: /* Jump */ |
6179 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
6180 |
gen_compute_branch(ctx, op, rs, rt, offset); |
6181 |
return;
|
6182 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
6183 |
case OPC_BEQL ... OPC_BGTZL:
|
6184 |
gen_compute_branch(ctx, op, rs, rt, imm << 2);
|
6185 |
return;
|
6186 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
6187 |
case OPC_SB ... OPC_SW:
|
6188 |
case OPC_SWR:
|
6189 |
case OPC_LL:
|
6190 |
case OPC_SC:
|
6191 |
gen_ldst(ctx, op, rt, rs, imm); |
6192 |
break;
|
6193 |
case OPC_CACHE:
|
6194 |
/* Treat as NOP. */
|
6195 |
break;
|
6196 |
case OPC_PREF:
|
6197 |
/* Treat as NOP. */
|
6198 |
break;
|
6199 |
|
6200 |
/* Floating point (COP1). */
|
6201 |
case OPC_LWC1:
|
6202 |
case OPC_LDC1:
|
6203 |
case OPC_SWC1:
|
6204 |
case OPC_SDC1:
|
6205 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6206 |
save_cpu_state(ctx, 1);
|
6207 |
check_cp1_enabled(ctx); |
6208 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
6209 |
} else {
|
6210 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6211 |
} |
6212 |
break;
|
6213 |
|
6214 |
case OPC_CP1:
|
6215 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6216 |
save_cpu_state(ctx, 1);
|
6217 |
check_cp1_enabled(ctx); |
6218 |
op1 = MASK_CP1(ctx->opcode); |
6219 |
switch (op1) {
|
6220 |
case OPC_MFHC1:
|
6221 |
case OPC_MTHC1:
|
6222 |
check_mips_r2(env, ctx); |
6223 |
case OPC_MFC1:
|
6224 |
case OPC_CFC1:
|
6225 |
case OPC_MTC1:
|
6226 |
case OPC_CTC1:
|
6227 |
#ifdef TARGET_MIPS64
|
6228 |
case OPC_DMFC1:
|
6229 |
case OPC_DMTC1:
|
6230 |
#endif
|
6231 |
gen_cp1(ctx, op1, rt, rd); |
6232 |
break;
|
6233 |
case OPC_BC1:
|
6234 |
case OPC_BC1ANY2:
|
6235 |
case OPC_BC1ANY4:
|
6236 |
gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), |
6237 |
(rt >> 2) & 0x7, imm << 2); |
6238 |
return;
|
6239 |
case OPC_S_FMT:
|
6240 |
case OPC_D_FMT:
|
6241 |
case OPC_W_FMT:
|
6242 |
case OPC_L_FMT:
|
6243 |
case OPC_PS_FMT:
|
6244 |
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, |
6245 |
(imm >> 8) & 0x7); |
6246 |
break;
|
6247 |
default:
|
6248 |
MIPS_INVAL("cp1");
|
6249 |
generate_exception (ctx, EXCP_RI); |
6250 |
break;
|
6251 |
} |
6252 |
} else {
|
6253 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6254 |
} |
6255 |
break;
|
6256 |
|
6257 |
/* COP2. */
|
6258 |
case OPC_LWC2:
|
6259 |
case OPC_LDC2:
|
6260 |
case OPC_SWC2:
|
6261 |
case OPC_SDC2:
|
6262 |
case OPC_CP2:
|
6263 |
/* COP2: Not implemented. */
|
6264 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
6265 |
break;
|
6266 |
|
6267 |
case OPC_CP3:
|
6268 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
6269 |
save_cpu_state(ctx, 1);
|
6270 |
check_cp1_enabled(ctx); |
6271 |
op1 = MASK_CP3(ctx->opcode); |
6272 |
switch (op1) {
|
6273 |
case OPC_LWXC1:
|
6274 |
case OPC_LDXC1:
|
6275 |
case OPC_LUXC1:
|
6276 |
case OPC_SWXC1:
|
6277 |
case OPC_SDXC1:
|
6278 |
case OPC_SUXC1:
|
6279 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
6280 |
break;
|
6281 |
case OPC_PREFX:
|
6282 |
/* Treat as NOP. */
|
6283 |
break;
|
6284 |
case OPC_ALNV_PS:
|
6285 |
case OPC_MADD_S:
|
6286 |
case OPC_MADD_D:
|
6287 |
case OPC_MADD_PS:
|
6288 |
case OPC_MSUB_S:
|
6289 |
case OPC_MSUB_D:
|
6290 |
case OPC_MSUB_PS:
|
6291 |
case OPC_NMADD_S:
|
6292 |
case OPC_NMADD_D:
|
6293 |
case OPC_NMADD_PS:
|
6294 |
case OPC_NMSUB_S:
|
6295 |
case OPC_NMSUB_D:
|
6296 |
case OPC_NMSUB_PS:
|
6297 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
6298 |
break;
|
6299 |
default:
|
6300 |
MIPS_INVAL("cp3");
|
6301 |
generate_exception (ctx, EXCP_RI); |
6302 |
break;
|
6303 |
} |
6304 |
} else {
|
6305 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
6306 |
} |
6307 |
break;
|
6308 |
|
6309 |
#ifdef TARGET_MIPS64
|
6310 |
/* MIPS64 opcodes */
|
6311 |
case OPC_LWU:
|
6312 |
case OPC_LDL ... OPC_LDR:
|
6313 |
case OPC_SDL ... OPC_SDR:
|
6314 |
case OPC_LLD:
|
6315 |
case OPC_LD:
|
6316 |
case OPC_SCD:
|
6317 |
case OPC_SD:
|
6318 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
6319 |
generate_exception(ctx, EXCP_RI); |
6320 |
gen_ldst(ctx, op, rt, rs, imm); |
6321 |
break;
|
6322 |
case OPC_DADDI ... OPC_DADDIU:
|
6323 |
if (!(ctx->hflags & MIPS_HFLAG_64))
|
6324 |
generate_exception(ctx, EXCP_RI); |
6325 |
gen_arith_imm(ctx, op, rt, rs, imm); |
6326 |
break;
|
6327 |
#endif
|
6328 |
#ifdef MIPS_HAS_MIPS16
|
6329 |
case OPC_JALX:
|
6330 |
/* MIPS16: Not implemented. */
|
6331 |
#endif
|
6332 |
#ifdef MIPS_HAS_MDMX
|
6333 |
case OPC_MDMX:
|
6334 |
/* MDMX: Not implemented. */
|
6335 |
#endif
|
6336 |
default: /* Invalid */ |
6337 |
MIPS_INVAL("major opcode");
|
6338 |
generate_exception(ctx, EXCP_RI); |
6339 |
break;
|
6340 |
} |
6341 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
6342 |
int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
6343 |
/* Branches completion */
|
6344 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
6345 |
ctx->bstate = BS_BRANCH; |
6346 |
save_cpu_state(ctx, 0);
|
6347 |
switch (hflags) {
|
6348 |
case MIPS_HFLAG_B:
|
6349 |
/* unconditional branch */
|
6350 |
MIPS_DEBUG("unconditional branch");
|
6351 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
6352 |
break;
|
6353 |
case MIPS_HFLAG_BL:
|
6354 |
/* blikely taken case */
|
6355 |
MIPS_DEBUG("blikely branch taken");
|
6356 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
6357 |
break;
|
6358 |
case MIPS_HFLAG_BC:
|
6359 |
/* Conditional branch */
|
6360 |
MIPS_DEBUG("conditional branch");
|
6361 |
{ |
6362 |
int l1;
|
6363 |
l1 = gen_new_label(); |
6364 |
gen_op_jnz_T2(l1); |
6365 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
6366 |
gen_set_label(l1); |
6367 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
6368 |
} |
6369 |
break;
|
6370 |
case MIPS_HFLAG_BR:
|
6371 |
/* unconditional branch to register */
|
6372 |
MIPS_DEBUG("branch to register");
|
6373 |
gen_op_breg(); |
6374 |
gen_op_reset_T0(); |
6375 |
gen_op_exit_tb(); |
6376 |
break;
|
6377 |
default:
|
6378 |
MIPS_DEBUG("unknown branch");
|
6379 |
break;
|
6380 |
} |
6381 |
} |
6382 |
} |
6383 |
|
6384 |
static inline int |
6385 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
6386 |
int search_pc)
|
6387 |
{ |
6388 |
DisasContext ctx; |
6389 |
target_ulong pc_start; |
6390 |
uint16_t *gen_opc_end; |
6391 |
int j, lj = -1; |
6392 |
|
6393 |
if (search_pc && loglevel)
|
6394 |
fprintf (logfile, "search pc %d\n", search_pc);
|
6395 |
|
6396 |
pc_start = tb->pc; |
6397 |
gen_opc_ptr = gen_opc_buf; |
6398 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
6399 |
gen_opparam_ptr = gen_opparam_buf; |
6400 |
nb_gen_labels = 0;
|
6401 |
ctx.pc = pc_start; |
6402 |
ctx.saved_pc = -1;
|
6403 |
ctx.tb = tb; |
6404 |
ctx.bstate = BS_NONE; |
6405 |
/* Restore delay slot state from the tb context. */
|
6406 |
ctx.hflags = tb->flags; |
6407 |
restore_cpu_state(env, &ctx); |
6408 |
#if defined(CONFIG_USER_ONLY)
|
6409 |
ctx.mem_idx = 0;
|
6410 |
#else
|
6411 |
ctx.mem_idx = !((ctx.hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM); |
6412 |
#endif
|
6413 |
#ifdef DEBUG_DISAS
|
6414 |
if (loglevel & CPU_LOG_TB_CPU) {
|
6415 |
fprintf(logfile, "------------------------------------------------\n");
|
6416 |
/* FIXME: This may print out stale hflags from env... */
|
6417 |
cpu_dump_state(env, logfile, fprintf, 0);
|
6418 |
} |
6419 |
#endif
|
6420 |
#ifdef MIPS_DEBUG_DISAS
|
6421 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
6422 |
fprintf(logfile, "\ntb %p super %d cond %04x\n",
|
6423 |
tb, ctx.mem_idx, ctx.hflags); |
6424 |
#endif
|
6425 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
6426 |
if (env->nb_breakpoints > 0) { |
6427 |
for(j = 0; j < env->nb_breakpoints; j++) { |
6428 |
if (env->breakpoints[j] == ctx.pc) {
|
6429 |
save_cpu_state(&ctx, 1);
|
6430 |
ctx.bstate = BS_BRANCH; |
6431 |
gen_op_debug(); |
6432 |
/* Include the breakpoint location or the tb won't
|
6433 |
* be flushed when it must be. */
|
6434 |
ctx.pc += 4;
|
6435 |
goto done_generating;
|
6436 |
} |
6437 |
} |
6438 |
} |
6439 |
|
6440 |
if (search_pc) {
|
6441 |
j = gen_opc_ptr - gen_opc_buf; |
6442 |
if (lj < j) {
|
6443 |
lj++; |
6444 |
while (lj < j)
|
6445 |
gen_opc_instr_start[lj++] = 0;
|
6446 |
} |
6447 |
gen_opc_pc[lj] = ctx.pc; |
6448 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
6449 |
gen_opc_instr_start[lj] = 1;
|
6450 |
} |
6451 |
ctx.opcode = ldl_code(ctx.pc); |
6452 |
decode_opc(env, &ctx); |
6453 |
ctx.pc += 4;
|
6454 |
|
6455 |
if (env->singlestep_enabled)
|
6456 |
break;
|
6457 |
|
6458 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
6459 |
break;
|
6460 |
|
6461 |
#if defined (MIPS_SINGLE_STEP)
|
6462 |
break;
|
6463 |
#endif
|
6464 |
} |
6465 |
if (env->singlestep_enabled) {
|
6466 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
6467 |
gen_op_debug(); |
6468 |
} else {
|
6469 |
switch (ctx.bstate) {
|
6470 |
case BS_STOP:
|
6471 |
gen_op_interrupt_restart(); |
6472 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
6473 |
break;
|
6474 |
case BS_NONE:
|
6475 |
save_cpu_state(&ctx, 0);
|
6476 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
6477 |
break;
|
6478 |
case BS_EXCP:
|
6479 |
gen_op_interrupt_restart(); |
6480 |
gen_op_reset_T0(); |
6481 |
gen_op_exit_tb(); |
6482 |
break;
|
6483 |
case BS_BRANCH:
|
6484 |
default:
|
6485 |
break;
|
6486 |
} |
6487 |
} |
6488 |
done_generating:
|
6489 |
*gen_opc_ptr = INDEX_op_end; |
6490 |
if (search_pc) {
|
6491 |
j = gen_opc_ptr - gen_opc_buf; |
6492 |
lj++; |
6493 |
while (lj <= j)
|
6494 |
gen_opc_instr_start[lj++] = 0;
|
6495 |
} else {
|
6496 |
tb->size = ctx.pc - pc_start; |
6497 |
} |
6498 |
#ifdef DEBUG_DISAS
|
6499 |
#if defined MIPS_DEBUG_DISAS
|
6500 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
6501 |
fprintf(logfile, "\n");
|
6502 |
#endif
|
6503 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
6504 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
6505 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
6506 |
fprintf(logfile, "\n");
|
6507 |
} |
6508 |
if (loglevel & CPU_LOG_TB_OP) {
|
6509 |
fprintf(logfile, "OP:\n");
|
6510 |
dump_ops(gen_opc_buf, gen_opparam_buf); |
6511 |
fprintf(logfile, "\n");
|
6512 |
} |
6513 |
if (loglevel & CPU_LOG_TB_CPU) {
|
6514 |
fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
|
6515 |
} |
6516 |
#endif
|
6517 |
|
6518 |
return 0; |
6519 |
} |
6520 |
|
6521 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
6522 |
{ |
6523 |
return gen_intermediate_code_internal(env, tb, 0); |
6524 |
} |
6525 |
|
6526 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
6527 |
{ |
6528 |
return gen_intermediate_code_internal(env, tb, 1); |
6529 |
} |
6530 |
|
6531 |
void fpu_dump_state(CPUState *env, FILE *f,
|
6532 |
int (*fpu_fprintf)(FILE *f, const char *fmt, ...), |
6533 |
int flags)
|
6534 |
{ |
6535 |
int i;
|
6536 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
6537 |
|
6538 |
#define printfpr(fp) \
|
6539 |
do { \
|
6540 |
if (is_fpu64) \
|
6541 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
|
6542 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ |
6543 |
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ |
6544 |
else { \
|
6545 |
fpr_t tmp; \ |
6546 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
6547 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
6548 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
|
6549 |
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ |
6550 |
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ |
6551 |
} \ |
6552 |
} while(0) |
6553 |
|
6554 |
|
6555 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
|
6556 |
env->fpu->fcr0, env->fpu->fcr31, is_fpu64, env->fpu->fp_status, |
6557 |
get_float_exception_flags(&env->fpu->fp_status)); |
6558 |
fpu_fprintf(f, "FT0: "); printfpr(&env->fpu->ft0);
|
6559 |
fpu_fprintf(f, "FT1: "); printfpr(&env->fpu->ft1);
|
6560 |
fpu_fprintf(f, "FT2: "); printfpr(&env->fpu->ft2);
|
6561 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
6562 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
6563 |
printfpr(&env->fpu->fpr[i]); |
6564 |
} |
6565 |
|
6566 |
#undef printfpr
|
6567 |
} |
6568 |
|
6569 |
void dump_fpu (CPUState *env)
|
6570 |
{ |
6571 |
if (loglevel) {
|
6572 |
fprintf(logfile, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n", |
6573 |
env->PC[env->current_tc], env->HI[0][env->current_tc], env->LO[0][env->current_tc], env->hflags, env->btarget, env->bcond); |
6574 |
fpu_dump_state(env, logfile, fprintf, 0);
|
6575 |
} |
6576 |
} |
6577 |
|
6578 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
6579 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
6580 |
sign-extened values on 64bit machines. */
|
6581 |
|
6582 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
6583 |
|
6584 |
void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
|
6585 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
6586 |
int flags)
|
6587 |
{ |
6588 |
int i;
|
6589 |
|
6590 |
if (!SIGN_EXT_P(env->PC[env->current_tc]))
|
6591 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC[env->current_tc]); |
6592 |
if (!SIGN_EXT_P(env->HI[env->current_tc]))
|
6593 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI[env->current_tc]); |
6594 |
if (!SIGN_EXT_P(env->LO[env->current_tc]))
|
6595 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO[env->current_tc]); |
6596 |
if (!SIGN_EXT_P(env->btarget))
|
6597 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
6598 |
|
6599 |
for (i = 0; i < 32; i++) { |
6600 |
if (!SIGN_EXT_P(env->gpr[i][env->current_tc]))
|
6601 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[i][env->current_tc]); |
6602 |
} |
6603 |
|
6604 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
6605 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
6606 |
if (!SIGN_EXT_P(env->CP0_LLAddr))
|
6607 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr); |
6608 |
} |
6609 |
#endif
|
6610 |
|
6611 |
void cpu_dump_state (CPUState *env, FILE *f,
|
6612 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
6613 |
int flags)
|
6614 |
{ |
6615 |
int i;
|
6616 |
|
6617 |
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", |
6618 |
env->PC[env->current_tc], env->HI[env->current_tc], env->LO[env->current_tc], env->hflags, env->btarget, env->bcond); |
6619 |
for (i = 0; i < 32; i++) { |
6620 |
if ((i & 3) == 0) |
6621 |
cpu_fprintf(f, "GPR%02d:", i);
|
6622 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[i][env->current_tc]);
|
6623 |
if ((i & 3) == 3) |
6624 |
cpu_fprintf(f, "\n");
|
6625 |
} |
6626 |
|
6627 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
6628 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
6629 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
6630 |
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr); |
6631 |
if (env->hflags & MIPS_HFLAG_FPU)
|
6632 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
6633 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
6634 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
6635 |
#endif
|
6636 |
} |
6637 |
|
6638 |
CPUMIPSState *cpu_mips_init (void)
|
6639 |
{ |
6640 |
CPUMIPSState *env; |
6641 |
|
6642 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
6643 |
if (!env)
|
6644 |
return NULL; |
6645 |
cpu_exec_init(env); |
6646 |
cpu_reset(env); |
6647 |
return env;
|
6648 |
} |
6649 |
|
6650 |
void cpu_reset (CPUMIPSState *env)
|
6651 |
{ |
6652 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
6653 |
|
6654 |
tlb_flush(env, 1);
|
6655 |
|
6656 |
/* Minimal init */
|
6657 |
#if !defined(CONFIG_USER_ONLY)
|
6658 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
6659 |
/* If the exception was raised from a delay slot,
|
6660 |
* come back to the jump. */
|
6661 |
env->CP0_ErrorEPC = env->PC[env->current_tc] - 4;
|
6662 |
} else {
|
6663 |
env->CP0_ErrorEPC = env->PC[env->current_tc]; |
6664 |
} |
6665 |
env->hflags = 0;
|
6666 |
env->PC[env->current_tc] = (int32_t)0xBFC00000;
|
6667 |
env->CP0_Wired = 0;
|
6668 |
/* SMP not implemented */
|
6669 |
env->CP0_EBase = 0x80000000;
|
6670 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
6671 |
/* vectored interrupts not implemented, timer on int 7,
|
6672 |
no performance counters. */
|
6673 |
env->CP0_IntCtl = 0xe0000000;
|
6674 |
{ |
6675 |
int i;
|
6676 |
|
6677 |
for (i = 0; i < 7; i++) { |
6678 |
env->CP0_WatchLo[i] = 0;
|
6679 |
env->CP0_WatchHi[i] = 0x80000000;
|
6680 |
} |
6681 |
env->CP0_WatchLo[7] = 0; |
6682 |
env->CP0_WatchHi[7] = 0; |
6683 |
} |
6684 |
/* Count register increments in debug mode, EJTAG version 1 */
|
6685 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
6686 |
#endif
|
6687 |
env->exception_index = EXCP_NONE; |
6688 |
#if defined(CONFIG_USER_ONLY)
|
6689 |
env->hflags |= MIPS_HFLAG_UM; |
6690 |
env->user_mode_only = 1;
|
6691 |
#endif
|
6692 |
} |
6693 |
|
6694 |
#include "translate_init.c" |