root / target-mips / translate.c @ 57fec1fe
History | View | Annotate | Download (190.3 kB)
| 1 |
/*
|
|---|---|
| 2 |
* MIPS32 emulation for qemu: main translation routines.
|
| 3 |
*
|
| 4 |
* Copyright (c) 2004-2005 Jocelyn Mayer
|
| 5 |
* Copyright (c) 2006 Marius Groeger (FPU operations)
|
| 6 |
* Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
|
| 7 |
*
|
| 8 |
* This library is free software; you can redistribute it and/or
|
| 9 |
* modify it under the terms of the GNU Lesser General Public
|
| 10 |
* License as published by the Free Software Foundation; either
|
| 11 |
* version 2 of the License, or (at your option) any later version.
|
| 12 |
*
|
| 13 |
* This library is distributed in the hope that it will be useful,
|
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
| 16 |
* Lesser General Public License for more details.
|
| 17 |
*
|
| 18 |
* You should have received a copy of the GNU Lesser General Public
|
| 19 |
* License along with this library; if not, write to the Free Software
|
| 20 |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
| 21 |
*/
|
| 22 |
|
| 23 |
#include <stdarg.h> |
| 24 |
#include <stdlib.h> |
| 25 |
#include <stdio.h> |
| 26 |
#include <string.h> |
| 27 |
#include <inttypes.h> |
| 28 |
|
| 29 |
#include "cpu.h" |
| 30 |
#include "exec-all.h" |
| 31 |
#include "disas.h" |
| 32 |
#include "tcg-op.h" |
| 33 |
|
| 34 |
//#define MIPS_DEBUG_DISAS
|
| 35 |
//#define MIPS_DEBUG_SIGN_EXTENSIONS
|
| 36 |
//#define MIPS_SINGLE_STEP
|
| 37 |
|
| 38 |
/* MIPS major opcodes */
|
| 39 |
#define MASK_OP_MAJOR(op) (op & (0x3F << 26)) |
| 40 |
|
| 41 |
enum {
|
| 42 |
/* indirect opcode tables */
|
| 43 |
OPC_SPECIAL = (0x00 << 26), |
| 44 |
OPC_REGIMM = (0x01 << 26), |
| 45 |
OPC_CP0 = (0x10 << 26), |
| 46 |
OPC_CP1 = (0x11 << 26), |
| 47 |
OPC_CP2 = (0x12 << 26), |
| 48 |
OPC_CP3 = (0x13 << 26), |
| 49 |
OPC_SPECIAL2 = (0x1C << 26), |
| 50 |
OPC_SPECIAL3 = (0x1F << 26), |
| 51 |
/* arithmetic with immediate */
|
| 52 |
OPC_ADDI = (0x08 << 26), |
| 53 |
OPC_ADDIU = (0x09 << 26), |
| 54 |
OPC_SLTI = (0x0A << 26), |
| 55 |
OPC_SLTIU = (0x0B << 26), |
| 56 |
OPC_ANDI = (0x0C << 26), |
| 57 |
OPC_ORI = (0x0D << 26), |
| 58 |
OPC_XORI = (0x0E << 26), |
| 59 |
OPC_LUI = (0x0F << 26), |
| 60 |
OPC_DADDI = (0x18 << 26), |
| 61 |
OPC_DADDIU = (0x19 << 26), |
| 62 |
/* Jump and branches */
|
| 63 |
OPC_J = (0x02 << 26), |
| 64 |
OPC_JAL = (0x03 << 26), |
| 65 |
OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ |
| 66 |
OPC_BEQL = (0x14 << 26), |
| 67 |
OPC_BNE = (0x05 << 26), |
| 68 |
OPC_BNEL = (0x15 << 26), |
| 69 |
OPC_BLEZ = (0x06 << 26), |
| 70 |
OPC_BLEZL = (0x16 << 26), |
| 71 |
OPC_BGTZ = (0x07 << 26), |
| 72 |
OPC_BGTZL = (0x17 << 26), |
| 73 |
OPC_JALX = (0x1D << 26), /* MIPS 16 only */ |
| 74 |
/* Load and stores */
|
| 75 |
OPC_LDL = (0x1A << 26), |
| 76 |
OPC_LDR = (0x1B << 26), |
| 77 |
OPC_LB = (0x20 << 26), |
| 78 |
OPC_LH = (0x21 << 26), |
| 79 |
OPC_LWL = (0x22 << 26), |
| 80 |
OPC_LW = (0x23 << 26), |
| 81 |
OPC_LBU = (0x24 << 26), |
| 82 |
OPC_LHU = (0x25 << 26), |
| 83 |
OPC_LWR = (0x26 << 26), |
| 84 |
OPC_LWU = (0x27 << 26), |
| 85 |
OPC_SB = (0x28 << 26), |
| 86 |
OPC_SH = (0x29 << 26), |
| 87 |
OPC_SWL = (0x2A << 26), |
| 88 |
OPC_SW = (0x2B << 26), |
| 89 |
OPC_SDL = (0x2C << 26), |
| 90 |
OPC_SDR = (0x2D << 26), |
| 91 |
OPC_SWR = (0x2E << 26), |
| 92 |
OPC_LL = (0x30 << 26), |
| 93 |
OPC_LLD = (0x34 << 26), |
| 94 |
OPC_LD = (0x37 << 26), |
| 95 |
OPC_SC = (0x38 << 26), |
| 96 |
OPC_SCD = (0x3C << 26), |
| 97 |
OPC_SD = (0x3F << 26), |
| 98 |
/* Floating point load/store */
|
| 99 |
OPC_LWC1 = (0x31 << 26), |
| 100 |
OPC_LWC2 = (0x32 << 26), |
| 101 |
OPC_LDC1 = (0x35 << 26), |
| 102 |
OPC_LDC2 = (0x36 << 26), |
| 103 |
OPC_SWC1 = (0x39 << 26), |
| 104 |
OPC_SWC2 = (0x3A << 26), |
| 105 |
OPC_SDC1 = (0x3D << 26), |
| 106 |
OPC_SDC2 = (0x3E << 26), |
| 107 |
/* MDMX ASE specific */
|
| 108 |
OPC_MDMX = (0x1E << 26), |
| 109 |
/* Cache and prefetch */
|
| 110 |
OPC_CACHE = (0x2F << 26), |
| 111 |
OPC_PREF = (0x33 << 26), |
| 112 |
/* Reserved major opcode */
|
| 113 |
OPC_MAJOR3B_RESERVED = (0x3B << 26), |
| 114 |
}; |
| 115 |
|
| 116 |
/* MIPS special opcodes */
|
| 117 |
#define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
| 118 |
|
| 119 |
enum {
|
| 120 |
/* Shifts */
|
| 121 |
OPC_SLL = 0x00 | OPC_SPECIAL,
|
| 122 |
/* NOP is SLL r0, r0, 0 */
|
| 123 |
/* SSNOP is SLL r0, r0, 1 */
|
| 124 |
/* EHB is SLL r0, r0, 3 */
|
| 125 |
OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ |
| 126 |
OPC_SRA = 0x03 | OPC_SPECIAL,
|
| 127 |
OPC_SLLV = 0x04 | OPC_SPECIAL,
|
| 128 |
OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ |
| 129 |
OPC_SRAV = 0x07 | OPC_SPECIAL,
|
| 130 |
OPC_DSLLV = 0x14 | OPC_SPECIAL,
|
| 131 |
OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ |
| 132 |
OPC_DSRAV = 0x17 | OPC_SPECIAL,
|
| 133 |
OPC_DSLL = 0x38 | OPC_SPECIAL,
|
| 134 |
OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ |
| 135 |
OPC_DSRA = 0x3B | OPC_SPECIAL,
|
| 136 |
OPC_DSLL32 = 0x3C | OPC_SPECIAL,
|
| 137 |
OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ |
| 138 |
OPC_DSRA32 = 0x3F | OPC_SPECIAL,
|
| 139 |
/* Multiplication / division */
|
| 140 |
OPC_MULT = 0x18 | OPC_SPECIAL,
|
| 141 |
OPC_MULTU = 0x19 | OPC_SPECIAL,
|
| 142 |
OPC_DIV = 0x1A | OPC_SPECIAL,
|
| 143 |
OPC_DIVU = 0x1B | OPC_SPECIAL,
|
| 144 |
OPC_DMULT = 0x1C | OPC_SPECIAL,
|
| 145 |
OPC_DMULTU = 0x1D | OPC_SPECIAL,
|
| 146 |
OPC_DDIV = 0x1E | OPC_SPECIAL,
|
| 147 |
OPC_DDIVU = 0x1F | OPC_SPECIAL,
|
| 148 |
/* 2 registers arithmetic / logic */
|
| 149 |
OPC_ADD = 0x20 | OPC_SPECIAL,
|
| 150 |
OPC_ADDU = 0x21 | OPC_SPECIAL,
|
| 151 |
OPC_SUB = 0x22 | OPC_SPECIAL,
|
| 152 |
OPC_SUBU = 0x23 | OPC_SPECIAL,
|
| 153 |
OPC_AND = 0x24 | OPC_SPECIAL,
|
| 154 |
OPC_OR = 0x25 | OPC_SPECIAL,
|
| 155 |
OPC_XOR = 0x26 | OPC_SPECIAL,
|
| 156 |
OPC_NOR = 0x27 | OPC_SPECIAL,
|
| 157 |
OPC_SLT = 0x2A | OPC_SPECIAL,
|
| 158 |
OPC_SLTU = 0x2B | OPC_SPECIAL,
|
| 159 |
OPC_DADD = 0x2C | OPC_SPECIAL,
|
| 160 |
OPC_DADDU = 0x2D | OPC_SPECIAL,
|
| 161 |
OPC_DSUB = 0x2E | OPC_SPECIAL,
|
| 162 |
OPC_DSUBU = 0x2F | OPC_SPECIAL,
|
| 163 |
/* Jumps */
|
| 164 |
OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ |
| 165 |
OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ |
| 166 |
/* Traps */
|
| 167 |
OPC_TGE = 0x30 | OPC_SPECIAL,
|
| 168 |
OPC_TGEU = 0x31 | OPC_SPECIAL,
|
| 169 |
OPC_TLT = 0x32 | OPC_SPECIAL,
|
| 170 |
OPC_TLTU = 0x33 | OPC_SPECIAL,
|
| 171 |
OPC_TEQ = 0x34 | OPC_SPECIAL,
|
| 172 |
OPC_TNE = 0x36 | OPC_SPECIAL,
|
| 173 |
/* HI / LO registers load & stores */
|
| 174 |
OPC_MFHI = 0x10 | OPC_SPECIAL,
|
| 175 |
OPC_MTHI = 0x11 | OPC_SPECIAL,
|
| 176 |
OPC_MFLO = 0x12 | OPC_SPECIAL,
|
| 177 |
OPC_MTLO = 0x13 | OPC_SPECIAL,
|
| 178 |
/* Conditional moves */
|
| 179 |
OPC_MOVZ = 0x0A | OPC_SPECIAL,
|
| 180 |
OPC_MOVN = 0x0B | OPC_SPECIAL,
|
| 181 |
|
| 182 |
OPC_MOVCI = 0x01 | OPC_SPECIAL,
|
| 183 |
|
| 184 |
/* Special */
|
| 185 |
OPC_PMON = 0x05 | OPC_SPECIAL, /* inofficial */ |
| 186 |
OPC_SYSCALL = 0x0C | OPC_SPECIAL,
|
| 187 |
OPC_BREAK = 0x0D | OPC_SPECIAL,
|
| 188 |
OPC_SPIM = 0x0E | OPC_SPECIAL, /* inofficial */ |
| 189 |
OPC_SYNC = 0x0F | OPC_SPECIAL,
|
| 190 |
|
| 191 |
OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
|
| 192 |
OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
|
| 193 |
OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
|
| 194 |
OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
|
| 195 |
OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
|
| 196 |
OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
|
| 197 |
OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
|
| 198 |
}; |
| 199 |
|
| 200 |
/* Multiplication variants of the vr54xx. */
|
| 201 |
#define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6)) |
| 202 |
|
| 203 |
enum {
|
| 204 |
OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT, |
| 205 |
OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU, |
| 206 |
OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT, |
| 207 |
OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU, |
| 208 |
OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT, |
| 209 |
OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU, |
| 210 |
OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT, |
| 211 |
OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU, |
| 212 |
OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT, |
| 213 |
OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU, |
| 214 |
OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT, |
| 215 |
OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU, |
| 216 |
OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT, |
| 217 |
OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU, |
| 218 |
}; |
| 219 |
|
| 220 |
/* REGIMM (rt field) opcodes */
|
| 221 |
#define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16)) |
| 222 |
|
| 223 |
enum {
|
| 224 |
OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, |
| 225 |
OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, |
| 226 |
OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, |
| 227 |
OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, |
| 228 |
OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, |
| 229 |
OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, |
| 230 |
OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, |
| 231 |
OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, |
| 232 |
OPC_TGEI = (0x08 << 16) | OPC_REGIMM, |
| 233 |
OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, |
| 234 |
OPC_TLTI = (0x0A << 16) | OPC_REGIMM, |
| 235 |
OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, |
| 236 |
OPC_TEQI = (0x0C << 16) | OPC_REGIMM, |
| 237 |
OPC_TNEI = (0x0E << 16) | OPC_REGIMM, |
| 238 |
OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, |
| 239 |
}; |
| 240 |
|
| 241 |
/* Special2 opcodes */
|
| 242 |
#define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
| 243 |
|
| 244 |
enum {
|
| 245 |
/* Multiply & xxx operations */
|
| 246 |
OPC_MADD = 0x00 | OPC_SPECIAL2,
|
| 247 |
OPC_MADDU = 0x01 | OPC_SPECIAL2,
|
| 248 |
OPC_MUL = 0x02 | OPC_SPECIAL2,
|
| 249 |
OPC_MSUB = 0x04 | OPC_SPECIAL2,
|
| 250 |
OPC_MSUBU = 0x05 | OPC_SPECIAL2,
|
| 251 |
/* Misc */
|
| 252 |
OPC_CLZ = 0x20 | OPC_SPECIAL2,
|
| 253 |
OPC_CLO = 0x21 | OPC_SPECIAL2,
|
| 254 |
OPC_DCLZ = 0x24 | OPC_SPECIAL2,
|
| 255 |
OPC_DCLO = 0x25 | OPC_SPECIAL2,
|
| 256 |
/* Special */
|
| 257 |
OPC_SDBBP = 0x3F | OPC_SPECIAL2,
|
| 258 |
}; |
| 259 |
|
| 260 |
/* Special3 opcodes */
|
| 261 |
#define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
| 262 |
|
| 263 |
enum {
|
| 264 |
OPC_EXT = 0x00 | OPC_SPECIAL3,
|
| 265 |
OPC_DEXTM = 0x01 | OPC_SPECIAL3,
|
| 266 |
OPC_DEXTU = 0x02 | OPC_SPECIAL3,
|
| 267 |
OPC_DEXT = 0x03 | OPC_SPECIAL3,
|
| 268 |
OPC_INS = 0x04 | OPC_SPECIAL3,
|
| 269 |
OPC_DINSM = 0x05 | OPC_SPECIAL3,
|
| 270 |
OPC_DINSU = 0x06 | OPC_SPECIAL3,
|
| 271 |
OPC_DINS = 0x07 | OPC_SPECIAL3,
|
| 272 |
OPC_FORK = 0x08 | OPC_SPECIAL3,
|
| 273 |
OPC_YIELD = 0x09 | OPC_SPECIAL3,
|
| 274 |
OPC_BSHFL = 0x20 | OPC_SPECIAL3,
|
| 275 |
OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
|
| 276 |
OPC_RDHWR = 0x3B | OPC_SPECIAL3,
|
| 277 |
}; |
| 278 |
|
| 279 |
/* BSHFL opcodes */
|
| 280 |
#define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
| 281 |
|
| 282 |
enum {
|
| 283 |
OPC_WSBH = (0x02 << 6) | OPC_BSHFL, |
| 284 |
OPC_SEB = (0x10 << 6) | OPC_BSHFL, |
| 285 |
OPC_SEH = (0x18 << 6) | OPC_BSHFL, |
| 286 |
}; |
| 287 |
|
| 288 |
/* DBSHFL opcodes */
|
| 289 |
#define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6)) |
| 290 |
|
| 291 |
enum {
|
| 292 |
OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, |
| 293 |
OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, |
| 294 |
}; |
| 295 |
|
| 296 |
/* Coprocessor 0 (rs field) */
|
| 297 |
#define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
| 298 |
|
| 299 |
enum {
|
| 300 |
OPC_MFC0 = (0x00 << 21) | OPC_CP0, |
| 301 |
OPC_DMFC0 = (0x01 << 21) | OPC_CP0, |
| 302 |
OPC_MTC0 = (0x04 << 21) | OPC_CP0, |
| 303 |
OPC_DMTC0 = (0x05 << 21) | OPC_CP0, |
| 304 |
OPC_MFTR = (0x08 << 21) | OPC_CP0, |
| 305 |
OPC_RDPGPR = (0x0A << 21) | OPC_CP0, |
| 306 |
OPC_MFMC0 = (0x0B << 21) | OPC_CP0, |
| 307 |
OPC_MTTR = (0x0C << 21) | OPC_CP0, |
| 308 |
OPC_WRPGPR = (0x0E << 21) | OPC_CP0, |
| 309 |
OPC_C0 = (0x10 << 21) | OPC_CP0, |
| 310 |
OPC_C0_FIRST = (0x10 << 21) | OPC_CP0, |
| 311 |
OPC_C0_LAST = (0x1F << 21) | OPC_CP0, |
| 312 |
}; |
| 313 |
|
| 314 |
/* MFMC0 opcodes */
|
| 315 |
#define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF) |
| 316 |
|
| 317 |
enum {
|
| 318 |
OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
| 319 |
OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, |
| 320 |
OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, |
| 321 |
OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, |
| 322 |
OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, |
| 323 |
OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, |
| 324 |
}; |
| 325 |
|
| 326 |
/* Coprocessor 0 (with rs == C0) */
|
| 327 |
#define MASK_C0(op) MASK_CP0(op) | (op & 0x3F) |
| 328 |
|
| 329 |
enum {
|
| 330 |
OPC_TLBR = 0x01 | OPC_C0,
|
| 331 |
OPC_TLBWI = 0x02 | OPC_C0,
|
| 332 |
OPC_TLBWR = 0x06 | OPC_C0,
|
| 333 |
OPC_TLBP = 0x08 | OPC_C0,
|
| 334 |
OPC_RFE = 0x10 | OPC_C0,
|
| 335 |
OPC_ERET = 0x18 | OPC_C0,
|
| 336 |
OPC_DERET = 0x1F | OPC_C0,
|
| 337 |
OPC_WAIT = 0x20 | OPC_C0,
|
| 338 |
}; |
| 339 |
|
| 340 |
/* Coprocessor 1 (rs field) */
|
| 341 |
#define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
| 342 |
|
| 343 |
enum {
|
| 344 |
OPC_MFC1 = (0x00 << 21) | OPC_CP1, |
| 345 |
OPC_DMFC1 = (0x01 << 21) | OPC_CP1, |
| 346 |
OPC_CFC1 = (0x02 << 21) | OPC_CP1, |
| 347 |
OPC_MFHC1 = (0x03 << 21) | OPC_CP1, |
| 348 |
OPC_MTC1 = (0x04 << 21) | OPC_CP1, |
| 349 |
OPC_DMTC1 = (0x05 << 21) | OPC_CP1, |
| 350 |
OPC_CTC1 = (0x06 << 21) | OPC_CP1, |
| 351 |
OPC_MTHC1 = (0x07 << 21) | OPC_CP1, |
| 352 |
OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */ |
| 353 |
OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1, |
| 354 |
OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1, |
| 355 |
OPC_S_FMT = (0x10 << 21) | OPC_CP1, /* 16: fmt=single fp */ |
| 356 |
OPC_D_FMT = (0x11 << 21) | OPC_CP1, /* 17: fmt=double fp */ |
| 357 |
OPC_E_FMT = (0x12 << 21) | OPC_CP1, /* 18: fmt=extended fp */ |
| 358 |
OPC_Q_FMT = (0x13 << 21) | OPC_CP1, /* 19: fmt=quad fp */ |
| 359 |
OPC_W_FMT = (0x14 << 21) | OPC_CP1, /* 20: fmt=32bit fixed */ |
| 360 |
OPC_L_FMT = (0x15 << 21) | OPC_CP1, /* 21: fmt=64bit fixed */ |
| 361 |
OPC_PS_FMT = (0x16 << 21) | OPC_CP1, /* 22: fmt=paired single fp */ |
| 362 |
}; |
| 363 |
|
| 364 |
#define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F) |
| 365 |
#define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16)) |
| 366 |
|
| 367 |
enum {
|
| 368 |
OPC_BC1F = (0x00 << 16) | OPC_BC1, |
| 369 |
OPC_BC1T = (0x01 << 16) | OPC_BC1, |
| 370 |
OPC_BC1FL = (0x02 << 16) | OPC_BC1, |
| 371 |
OPC_BC1TL = (0x03 << 16) | OPC_BC1, |
| 372 |
}; |
| 373 |
|
| 374 |
enum {
|
| 375 |
OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2, |
| 376 |
OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2, |
| 377 |
}; |
| 378 |
|
| 379 |
enum {
|
| 380 |
OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4, |
| 381 |
OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4, |
| 382 |
}; |
| 383 |
|
| 384 |
#define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21)) |
| 385 |
|
| 386 |
enum {
|
| 387 |
OPC_MFC2 = (0x00 << 21) | OPC_CP2, |
| 388 |
OPC_DMFC2 = (0x01 << 21) | OPC_CP2, |
| 389 |
OPC_CFC2 = (0x02 << 21) | OPC_CP2, |
| 390 |
OPC_MFHC2 = (0x03 << 21) | OPC_CP2, |
| 391 |
OPC_MTC2 = (0x04 << 21) | OPC_CP2, |
| 392 |
OPC_DMTC2 = (0x05 << 21) | OPC_CP2, |
| 393 |
OPC_CTC2 = (0x06 << 21) | OPC_CP2, |
| 394 |
OPC_MTHC2 = (0x07 << 21) | OPC_CP2, |
| 395 |
OPC_BC2 = (0x08 << 21) | OPC_CP2, |
| 396 |
}; |
| 397 |
|
| 398 |
#define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F) |
| 399 |
|
| 400 |
enum {
|
| 401 |
OPC_LWXC1 = 0x00 | OPC_CP3,
|
| 402 |
OPC_LDXC1 = 0x01 | OPC_CP3,
|
| 403 |
OPC_LUXC1 = 0x05 | OPC_CP3,
|
| 404 |
OPC_SWXC1 = 0x08 | OPC_CP3,
|
| 405 |
OPC_SDXC1 = 0x09 | OPC_CP3,
|
| 406 |
OPC_SUXC1 = 0x0D | OPC_CP3,
|
| 407 |
OPC_PREFX = 0x0F | OPC_CP3,
|
| 408 |
OPC_ALNV_PS = 0x1E | OPC_CP3,
|
| 409 |
OPC_MADD_S = 0x20 | OPC_CP3,
|
| 410 |
OPC_MADD_D = 0x21 | OPC_CP3,
|
| 411 |
OPC_MADD_PS = 0x26 | OPC_CP3,
|
| 412 |
OPC_MSUB_S = 0x28 | OPC_CP3,
|
| 413 |
OPC_MSUB_D = 0x29 | OPC_CP3,
|
| 414 |
OPC_MSUB_PS = 0x2E | OPC_CP3,
|
| 415 |
OPC_NMADD_S = 0x30 | OPC_CP3,
|
| 416 |
OPC_NMADD_D = 0x31 | OPC_CP3,
|
| 417 |
OPC_NMADD_PS= 0x36 | OPC_CP3,
|
| 418 |
OPC_NMSUB_S = 0x38 | OPC_CP3,
|
| 419 |
OPC_NMSUB_D = 0x39 | OPC_CP3,
|
| 420 |
OPC_NMSUB_PS= 0x3E | OPC_CP3,
|
| 421 |
}; |
| 422 |
|
| 423 |
|
| 424 |
const unsigned char *regnames[] = |
| 425 |
{ "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
|
| 426 |
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
| 427 |
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
| 428 |
"t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", }; |
| 429 |
|
| 430 |
/* Warning: no function for r0 register (hard wired to zero) */
|
| 431 |
#define GEN32(func, NAME) \
|
| 432 |
static GenOpFunc *NAME ## _table [32] = { \ |
| 433 |
NULL, NAME ## 1, NAME ## 2, NAME ## 3, \ |
| 434 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
| 435 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
| 436 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
| 437 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
| 438 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
| 439 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
| 440 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
| 441 |
}; \ |
| 442 |
static always_inline void func(int n) \ |
| 443 |
{ \
|
| 444 |
NAME ## _table[n](); \ |
| 445 |
} |
| 446 |
|
| 447 |
/* General purpose registers moves */
|
| 448 |
GEN32(gen_op_load_gpr_T0, gen_op_load_gpr_T0_gpr); |
| 449 |
GEN32(gen_op_load_gpr_T1, gen_op_load_gpr_T1_gpr); |
| 450 |
GEN32(gen_op_load_gpr_T2, gen_op_load_gpr_T2_gpr); |
| 451 |
|
| 452 |
GEN32(gen_op_store_T0_gpr, gen_op_store_T0_gpr_gpr); |
| 453 |
GEN32(gen_op_store_T1_gpr, gen_op_store_T1_gpr_gpr); |
| 454 |
|
| 455 |
/* Moves to/from shadow registers */
|
| 456 |
GEN32(gen_op_load_srsgpr_T0, gen_op_load_srsgpr_T0_gpr); |
| 457 |
GEN32(gen_op_store_T0_srsgpr, gen_op_store_T0_srsgpr_gpr); |
| 458 |
|
| 459 |
static const char *fregnames[] = |
| 460 |
{ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
|
| 461 |
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
| 462 |
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
| 463 |
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", }; |
| 464 |
|
| 465 |
#define FGEN32(func, NAME) \
|
| 466 |
static GenOpFunc *NAME ## _table [32] = { \ |
| 467 |
NAME ## 0, NAME ## 1, NAME ## 2, NAME ## 3, \ |
| 468 |
NAME ## 4, NAME ## 5, NAME ## 6, NAME ## 7, \ |
| 469 |
NAME ## 8, NAME ## 9, NAME ## 10, NAME ## 11, \ |
| 470 |
NAME ## 12, NAME ## 13, NAME ## 14, NAME ## 15, \ |
| 471 |
NAME ## 16, NAME ## 17, NAME ## 18, NAME ## 19, \ |
| 472 |
NAME ## 20, NAME ## 21, NAME ## 22, NAME ## 23, \ |
| 473 |
NAME ## 24, NAME ## 25, NAME ## 26, NAME ## 27, \ |
| 474 |
NAME ## 28, NAME ## 29, NAME ## 30, NAME ## 31, \ |
| 475 |
}; \ |
| 476 |
static always_inline void func(int n) \ |
| 477 |
{ \
|
| 478 |
NAME ## _table[n](); \ |
| 479 |
} |
| 480 |
|
| 481 |
FGEN32(gen_op_load_fpr_WT0, gen_op_load_fpr_WT0_fpr); |
| 482 |
FGEN32(gen_op_store_fpr_WT0, gen_op_store_fpr_WT0_fpr); |
| 483 |
|
| 484 |
FGEN32(gen_op_load_fpr_WT1, gen_op_load_fpr_WT1_fpr); |
| 485 |
FGEN32(gen_op_store_fpr_WT1, gen_op_store_fpr_WT1_fpr); |
| 486 |
|
| 487 |
FGEN32(gen_op_load_fpr_WT2, gen_op_load_fpr_WT2_fpr); |
| 488 |
FGEN32(gen_op_store_fpr_WT2, gen_op_store_fpr_WT2_fpr); |
| 489 |
|
| 490 |
FGEN32(gen_op_load_fpr_DT0, gen_op_load_fpr_DT0_fpr); |
| 491 |
FGEN32(gen_op_store_fpr_DT0, gen_op_store_fpr_DT0_fpr); |
| 492 |
|
| 493 |
FGEN32(gen_op_load_fpr_DT1, gen_op_load_fpr_DT1_fpr); |
| 494 |
FGEN32(gen_op_store_fpr_DT1, gen_op_store_fpr_DT1_fpr); |
| 495 |
|
| 496 |
FGEN32(gen_op_load_fpr_DT2, gen_op_load_fpr_DT2_fpr); |
| 497 |
FGEN32(gen_op_store_fpr_DT2, gen_op_store_fpr_DT2_fpr); |
| 498 |
|
| 499 |
FGEN32(gen_op_load_fpr_WTH0, gen_op_load_fpr_WTH0_fpr); |
| 500 |
FGEN32(gen_op_store_fpr_WTH0, gen_op_store_fpr_WTH0_fpr); |
| 501 |
|
| 502 |
FGEN32(gen_op_load_fpr_WTH1, gen_op_load_fpr_WTH1_fpr); |
| 503 |
FGEN32(gen_op_store_fpr_WTH1, gen_op_store_fpr_WTH1_fpr); |
| 504 |
|
| 505 |
FGEN32(gen_op_load_fpr_WTH2, gen_op_load_fpr_WTH2_fpr); |
| 506 |
FGEN32(gen_op_store_fpr_WTH2, gen_op_store_fpr_WTH2_fpr); |
| 507 |
|
| 508 |
#define FOP_CONDS(type, fmt) \
|
| 509 |
static GenOpFunc1 * gen_op_cmp ## type ## _ ## fmt ## _table[16] = { \ |
| 510 |
gen_op_cmp ## type ## _ ## fmt ## _f, \ |
| 511 |
gen_op_cmp ## type ## _ ## fmt ## _un, \ |
| 512 |
gen_op_cmp ## type ## _ ## fmt ## _eq, \ |
| 513 |
gen_op_cmp ## type ## _ ## fmt ## _ueq, \ |
| 514 |
gen_op_cmp ## type ## _ ## fmt ## _olt, \ |
| 515 |
gen_op_cmp ## type ## _ ## fmt ## _ult, \ |
| 516 |
gen_op_cmp ## type ## _ ## fmt ## _ole, \ |
| 517 |
gen_op_cmp ## type ## _ ## fmt ## _ule, \ |
| 518 |
gen_op_cmp ## type ## _ ## fmt ## _sf, \ |
| 519 |
gen_op_cmp ## type ## _ ## fmt ## _ngle, \ |
| 520 |
gen_op_cmp ## type ## _ ## fmt ## _seq, \ |
| 521 |
gen_op_cmp ## type ## _ ## fmt ## _ngl, \ |
| 522 |
gen_op_cmp ## type ## _ ## fmt ## _lt, \ |
| 523 |
gen_op_cmp ## type ## _ ## fmt ## _nge, \ |
| 524 |
gen_op_cmp ## type ## _ ## fmt ## _le, \ |
| 525 |
gen_op_cmp ## type ## _ ## fmt ## _ngt, \ |
| 526 |
}; \ |
| 527 |
static always_inline void gen_cmp ## type ## _ ## fmt(int n, long cc) \ |
| 528 |
{ \
|
| 529 |
gen_op_cmp ## type ## _ ## fmt ## _table[n](cc); \ |
| 530 |
} |
| 531 |
|
| 532 |
FOP_CONDS(, d) |
| 533 |
FOP_CONDS(abs, d) |
| 534 |
FOP_CONDS(, s) |
| 535 |
FOP_CONDS(abs, s) |
| 536 |
FOP_CONDS(, ps) |
| 537 |
FOP_CONDS(abs, ps) |
| 538 |
|
| 539 |
typedef struct DisasContext { |
| 540 |
struct TranslationBlock *tb;
|
| 541 |
target_ulong pc, saved_pc; |
| 542 |
uint32_t opcode; |
| 543 |
uint32_t fp_status; |
| 544 |
/* Routine used to access memory */
|
| 545 |
int mem_idx;
|
| 546 |
uint32_t hflags, saved_hflags; |
| 547 |
int bstate;
|
| 548 |
target_ulong btarget; |
| 549 |
void *last_T0_store;
|
| 550 |
int last_T0_gpr;
|
| 551 |
} DisasContext; |
| 552 |
|
| 553 |
enum {
|
| 554 |
BS_NONE = 0, /* We go out of the TB without reaching a branch or an |
| 555 |
* exception condition
|
| 556 |
*/
|
| 557 |
BS_STOP = 1, /* We want to stop translation for any reason */ |
| 558 |
BS_BRANCH = 2, /* We reached a branch condition */ |
| 559 |
BS_EXCP = 3, /* We reached an exception condition */ |
| 560 |
}; |
| 561 |
|
| 562 |
#ifdef MIPS_DEBUG_DISAS
|
| 563 |
#define MIPS_DEBUG(fmt, args...) \
|
| 564 |
do { \
|
| 565 |
if (loglevel & CPU_LOG_TB_IN_ASM) { \
|
| 566 |
fprintf(logfile, TARGET_FMT_lx ": %08x " fmt "\n", \ |
| 567 |
ctx->pc, ctx->opcode , ##args); \ |
| 568 |
} \ |
| 569 |
} while (0) |
| 570 |
#else
|
| 571 |
#define MIPS_DEBUG(fmt, args...) do { } while(0) |
| 572 |
#endif
|
| 573 |
|
| 574 |
#define MIPS_INVAL(op) \
|
| 575 |
do { \
|
| 576 |
MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \ |
| 577 |
ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \ |
| 578 |
} while (0) |
| 579 |
|
| 580 |
#define GEN_LOAD_REG_T0(Rn) \
|
| 581 |
do { \
|
| 582 |
if (Rn == 0) { \ |
| 583 |
gen_op_reset_T0(); \ |
| 584 |
} else { \
|
| 585 |
if (ctx->glue(last_T0, _store) != gen_opc_ptr \
|
| 586 |
|| ctx->glue(last_T0, _gpr) != Rn) { \
|
| 587 |
gen_op_load_gpr_T0(Rn); \ |
| 588 |
} \ |
| 589 |
} \ |
| 590 |
} while (0) |
| 591 |
|
| 592 |
#define GEN_LOAD_REG_T1(Rn) \
|
| 593 |
do { \
|
| 594 |
if (Rn == 0) { \ |
| 595 |
gen_op_reset_T1(); \ |
| 596 |
} else { \
|
| 597 |
gen_op_load_gpr_T1(Rn); \ |
| 598 |
} \ |
| 599 |
} while (0) |
| 600 |
|
| 601 |
#define GEN_LOAD_REG_T2(Rn) \
|
| 602 |
do { \
|
| 603 |
if (Rn == 0) { \ |
| 604 |
gen_op_reset_T2(); \ |
| 605 |
} else { \
|
| 606 |
gen_op_load_gpr_T2(Rn); \ |
| 607 |
} \ |
| 608 |
} while (0) |
| 609 |
|
| 610 |
#define GEN_LOAD_SRSREG_TN(Tn, Rn) \
|
| 611 |
do { \
|
| 612 |
if (Rn == 0) { \ |
| 613 |
glue(gen_op_reset_, Tn)(); \ |
| 614 |
} else { \
|
| 615 |
glue(gen_op_load_srsgpr_, Tn)(Rn); \ |
| 616 |
} \ |
| 617 |
} while (0) |
| 618 |
|
| 619 |
#if defined(TARGET_MIPS64)
|
| 620 |
#define GEN_LOAD_IMM_TN(Tn, Imm) \
|
| 621 |
do { \
|
| 622 |
if (Imm == 0) { \ |
| 623 |
glue(gen_op_reset_, Tn)(); \ |
| 624 |
} else if ((int32_t)Imm == Imm) { \ |
| 625 |
glue(gen_op_set_, Tn)(Imm); \ |
| 626 |
} else { \
|
| 627 |
glue(gen_op_set64_, Tn)(((uint64_t)Imm) >> 32, (uint32_t)Imm); \
|
| 628 |
} \ |
| 629 |
} while (0) |
| 630 |
#else
|
| 631 |
#define GEN_LOAD_IMM_TN(Tn, Imm) \
|
| 632 |
do { \
|
| 633 |
if (Imm == 0) { \ |
| 634 |
glue(gen_op_reset_, Tn)(); \ |
| 635 |
} else { \
|
| 636 |
glue(gen_op_set_, Tn)(Imm); \ |
| 637 |
} \ |
| 638 |
} while (0) |
| 639 |
#endif
|
| 640 |
|
| 641 |
#define GEN_STORE_T0_REG(Rn) \
|
| 642 |
do { \
|
| 643 |
if (Rn != 0) { \ |
| 644 |
glue(gen_op_store_T0,_gpr)(Rn); \ |
| 645 |
ctx->glue(last_T0,_store) = gen_opc_ptr; \ |
| 646 |
ctx->glue(last_T0,_gpr) = Rn; \ |
| 647 |
} \ |
| 648 |
} while (0) |
| 649 |
|
| 650 |
#define GEN_STORE_T1_REG(Rn) \
|
| 651 |
do { \
|
| 652 |
if (Rn != 0) \ |
| 653 |
glue(gen_op_store_T1,_gpr)(Rn); \ |
| 654 |
} while (0) |
| 655 |
|
| 656 |
#define GEN_STORE_TN_SRSREG(Rn, Tn) \
|
| 657 |
do { \
|
| 658 |
if (Rn != 0) { \ |
| 659 |
glue(glue(gen_op_store_, Tn),_srsgpr)(Rn); \ |
| 660 |
} \ |
| 661 |
} while (0) |
| 662 |
|
| 663 |
#define GEN_LOAD_FREG_FTN(FTn, Fn) \
|
| 664 |
do { \
|
| 665 |
glue(gen_op_load_fpr_, FTn)(Fn); \ |
| 666 |
} while (0) |
| 667 |
|
| 668 |
#define GEN_STORE_FTN_FREG(Fn, FTn) \
|
| 669 |
do { \
|
| 670 |
glue(gen_op_store_fpr_, FTn)(Fn); \ |
| 671 |
} while (0) |
| 672 |
|
| 673 |
static always_inline void gen_save_pc(target_ulong pc) |
| 674 |
{
|
| 675 |
#if defined(TARGET_MIPS64)
|
| 676 |
if (pc == (int32_t)pc) {
|
| 677 |
gen_op_save_pc(pc); |
| 678 |
} else {
|
| 679 |
gen_op_save_pc64(pc >> 32, (uint32_t)pc);
|
| 680 |
} |
| 681 |
#else
|
| 682 |
gen_op_save_pc(pc); |
| 683 |
#endif
|
| 684 |
} |
| 685 |
|
| 686 |
static always_inline void gen_save_btarget(target_ulong btarget) |
| 687 |
{
|
| 688 |
#if defined(TARGET_MIPS64)
|
| 689 |
if (btarget == (int32_t)btarget) {
|
| 690 |
gen_op_save_btarget(btarget); |
| 691 |
} else {
|
| 692 |
gen_op_save_btarget64(btarget >> 32, (uint32_t)btarget);
|
| 693 |
} |
| 694 |
#else
|
| 695 |
gen_op_save_btarget(btarget); |
| 696 |
#endif
|
| 697 |
} |
| 698 |
|
| 699 |
static always_inline void save_cpu_state (DisasContext *ctx, int do_save_pc) |
| 700 |
{
|
| 701 |
#if defined MIPS_DEBUG_DISAS
|
| 702 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 703 |
fprintf(logfile, "hflags %08x saved %08x\n",
|
| 704 |
ctx->hflags, ctx->saved_hflags); |
| 705 |
} |
| 706 |
#endif
|
| 707 |
if (do_save_pc && ctx->pc != ctx->saved_pc) {
|
| 708 |
gen_save_pc(ctx->pc); |
| 709 |
ctx->saved_pc = ctx->pc; |
| 710 |
} |
| 711 |
if (ctx->hflags != ctx->saved_hflags) {
|
| 712 |
gen_op_save_state(ctx->hflags); |
| 713 |
ctx->saved_hflags = ctx->hflags; |
| 714 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
| 715 |
case MIPS_HFLAG_BR:
|
| 716 |
gen_op_save_breg_target(); |
| 717 |
break;
|
| 718 |
case MIPS_HFLAG_BC:
|
| 719 |
gen_op_save_bcond(); |
| 720 |
/* fall through */
|
| 721 |
case MIPS_HFLAG_BL:
|
| 722 |
/* bcond was already saved by the BL insn */
|
| 723 |
/* fall through */
|
| 724 |
case MIPS_HFLAG_B:
|
| 725 |
gen_save_btarget(ctx->btarget); |
| 726 |
break;
|
| 727 |
} |
| 728 |
} |
| 729 |
} |
| 730 |
|
| 731 |
static always_inline void restore_cpu_state (CPUState *env, DisasContext *ctx) |
| 732 |
{
|
| 733 |
ctx->saved_hflags = ctx->hflags; |
| 734 |
switch (ctx->hflags & MIPS_HFLAG_BMASK) {
|
| 735 |
case MIPS_HFLAG_BR:
|
| 736 |
gen_op_restore_breg_target(); |
| 737 |
break;
|
| 738 |
case MIPS_HFLAG_B:
|
| 739 |
ctx->btarget = env->btarget; |
| 740 |
break;
|
| 741 |
case MIPS_HFLAG_BC:
|
| 742 |
case MIPS_HFLAG_BL:
|
| 743 |
ctx->btarget = env->btarget; |
| 744 |
gen_op_restore_bcond(); |
| 745 |
break;
|
| 746 |
} |
| 747 |
} |
| 748 |
|
| 749 |
static always_inline void generate_exception_err (DisasContext *ctx, int excp, int err) |
| 750 |
{
|
| 751 |
#if defined MIPS_DEBUG_DISAS
|
| 752 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
| 753 |
fprintf(logfile, "%s: raise exception %d\n", __func__, excp);
|
| 754 |
#endif
|
| 755 |
save_cpu_state(ctx, 1);
|
| 756 |
if (err == 0) |
| 757 |
gen_op_raise_exception(excp); |
| 758 |
else
|
| 759 |
gen_op_raise_exception_err(excp, err); |
| 760 |
ctx->bstate = BS_EXCP; |
| 761 |
} |
| 762 |
|
| 763 |
static always_inline void generate_exception (DisasContext *ctx, int excp) |
| 764 |
{
|
| 765 |
generate_exception_err (ctx, excp, 0);
|
| 766 |
} |
| 767 |
|
| 768 |
static always_inline void check_cp0_enabled(DisasContext *ctx) |
| 769 |
{
|
| 770 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
|
| 771 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 772 |
} |
| 773 |
|
| 774 |
static always_inline void check_cp1_enabled(DisasContext *ctx) |
| 775 |
{
|
| 776 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
|
| 777 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 778 |
} |
| 779 |
|
| 780 |
/* Verify that the processor is running with COP1X instructions enabled.
|
| 781 |
This is associated with the nabla symbol in the MIPS32 and MIPS64
|
| 782 |
opcode tables. */
|
| 783 |
|
| 784 |
static always_inline void check_cop1x(DisasContext *ctx) |
| 785 |
{
|
| 786 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
|
| 787 |
generate_exception(ctx, EXCP_RI); |
| 788 |
} |
| 789 |
|
| 790 |
/* Verify that the processor is running with 64-bit floating-point
|
| 791 |
operations enabled. */
|
| 792 |
|
| 793 |
static always_inline void check_cp1_64bitmode(DisasContext *ctx) |
| 794 |
{
|
| 795 |
if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
|
| 796 |
generate_exception(ctx, EXCP_RI); |
| 797 |
} |
| 798 |
|
| 799 |
/*
|
| 800 |
* Verify if floating point register is valid; an operation is not defined
|
| 801 |
* if bit 0 of any register specification is set and the FR bit in the
|
| 802 |
* Status register equals zero, since the register numbers specify an
|
| 803 |
* even-odd pair of adjacent coprocessor general registers. When the FR bit
|
| 804 |
* in the Status register equals one, both even and odd register numbers
|
| 805 |
* are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
|
| 806 |
*
|
| 807 |
* Multiple 64 bit wide registers can be checked by calling
|
| 808 |
* gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
|
| 809 |
*/
|
| 810 |
void check_cp1_registers(DisasContext *ctx, int regs) |
| 811 |
{
|
| 812 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) |
| 813 |
generate_exception(ctx, EXCP_RI); |
| 814 |
} |
| 815 |
|
| 816 |
/* This code generates a "reserved instruction" exception if the
|
| 817 |
CPU does not support the instruction set corresponding to flags. */
|
| 818 |
static always_inline void check_insn(CPUState *env, DisasContext *ctx, int flags) |
| 819 |
{
|
| 820 |
if (unlikely(!(env->insn_flags & flags)))
|
| 821 |
generate_exception(ctx, EXCP_RI); |
| 822 |
} |
| 823 |
|
| 824 |
/* This code generates a "reserved instruction" exception if 64-bit
|
| 825 |
instructions are not enabled. */
|
| 826 |
static always_inline void check_mips_64(DisasContext *ctx) |
| 827 |
{
|
| 828 |
if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
|
| 829 |
generate_exception(ctx, EXCP_RI); |
| 830 |
} |
| 831 |
|
| 832 |
#if defined(CONFIG_USER_ONLY)
|
| 833 |
#define op_ldst(name) gen_op_##name##_raw() |
| 834 |
#define OP_LD_TABLE(width)
|
| 835 |
#define OP_ST_TABLE(width)
|
| 836 |
#else
|
| 837 |
#define op_ldst(name) (*gen_op_##name[ctx->mem_idx])() |
| 838 |
#define OP_LD_TABLE(width) \
|
| 839 |
static GenOpFunc *gen_op_l##width[] = { \ |
| 840 |
&gen_op_l##width##_kernel, \ |
| 841 |
&gen_op_l##width##_super, \ |
| 842 |
&gen_op_l##width##_user, \ |
| 843 |
} |
| 844 |
#define OP_ST_TABLE(width) \
|
| 845 |
static GenOpFunc *gen_op_s##width[] = { \ |
| 846 |
&gen_op_s##width##_kernel, \ |
| 847 |
&gen_op_s##width##_super, \ |
| 848 |
&gen_op_s##width##_user, \ |
| 849 |
} |
| 850 |
#endif
|
| 851 |
|
| 852 |
#if defined(TARGET_MIPS64)
|
| 853 |
OP_LD_TABLE(d); |
| 854 |
OP_LD_TABLE(dl); |
| 855 |
OP_LD_TABLE(dr); |
| 856 |
OP_ST_TABLE(d); |
| 857 |
OP_ST_TABLE(dl); |
| 858 |
OP_ST_TABLE(dr); |
| 859 |
OP_LD_TABLE(ld); |
| 860 |
OP_ST_TABLE(cd); |
| 861 |
OP_LD_TABLE(wu); |
| 862 |
#endif
|
| 863 |
OP_LD_TABLE(w); |
| 864 |
OP_LD_TABLE(wl); |
| 865 |
OP_LD_TABLE(wr); |
| 866 |
OP_ST_TABLE(w); |
| 867 |
OP_ST_TABLE(wl); |
| 868 |
OP_ST_TABLE(wr); |
| 869 |
OP_LD_TABLE(h); |
| 870 |
OP_LD_TABLE(hu); |
| 871 |
OP_ST_TABLE(h); |
| 872 |
OP_LD_TABLE(b); |
| 873 |
OP_LD_TABLE(bu); |
| 874 |
OP_ST_TABLE(b); |
| 875 |
OP_LD_TABLE(l); |
| 876 |
OP_ST_TABLE(c); |
| 877 |
OP_LD_TABLE(wc1); |
| 878 |
OP_ST_TABLE(wc1); |
| 879 |
OP_LD_TABLE(dc1); |
| 880 |
OP_ST_TABLE(dc1); |
| 881 |
OP_LD_TABLE(uxc1); |
| 882 |
OP_ST_TABLE(uxc1); |
| 883 |
|
| 884 |
/* Load and store */
|
| 885 |
static void gen_ldst (DisasContext *ctx, uint32_t opc, int rt, |
| 886 |
int base, int16_t offset)
|
| 887 |
{
|
| 888 |
const char *opn = "ldst"; |
| 889 |
|
| 890 |
if (base == 0) { |
| 891 |
GEN_LOAD_IMM_TN(T0, offset); |
| 892 |
} else if (offset == 0) { |
| 893 |
gen_op_load_gpr_T0(base); |
| 894 |
} else {
|
| 895 |
gen_op_load_gpr_T0(base); |
| 896 |
gen_op_set_T1(offset); |
| 897 |
gen_op_addr_add(); |
| 898 |
} |
| 899 |
/* Don't do NOP if destination is zero: we must perform the actual
|
| 900 |
memory access. */
|
| 901 |
switch (opc) {
|
| 902 |
#if defined(TARGET_MIPS64)
|
| 903 |
case OPC_LWU:
|
| 904 |
op_ldst(lwu); |
| 905 |
GEN_STORE_T0_REG(rt); |
| 906 |
opn = "lwu";
|
| 907 |
break;
|
| 908 |
case OPC_LD:
|
| 909 |
op_ldst(ld); |
| 910 |
GEN_STORE_T0_REG(rt); |
| 911 |
opn = "ld";
|
| 912 |
break;
|
| 913 |
case OPC_LLD:
|
| 914 |
op_ldst(lld); |
| 915 |
GEN_STORE_T0_REG(rt); |
| 916 |
opn = "lld";
|
| 917 |
break;
|
| 918 |
case OPC_SD:
|
| 919 |
GEN_LOAD_REG_T1(rt); |
| 920 |
op_ldst(sd); |
| 921 |
opn = "sd";
|
| 922 |
break;
|
| 923 |
case OPC_SCD:
|
| 924 |
save_cpu_state(ctx, 1);
|
| 925 |
GEN_LOAD_REG_T1(rt); |
| 926 |
op_ldst(scd); |
| 927 |
GEN_STORE_T0_REG(rt); |
| 928 |
opn = "scd";
|
| 929 |
break;
|
| 930 |
case OPC_LDL:
|
| 931 |
GEN_LOAD_REG_T1(rt); |
| 932 |
op_ldst(ldl); |
| 933 |
GEN_STORE_T1_REG(rt); |
| 934 |
opn = "ldl";
|
| 935 |
break;
|
| 936 |
case OPC_SDL:
|
| 937 |
GEN_LOAD_REG_T1(rt); |
| 938 |
op_ldst(sdl); |
| 939 |
opn = "sdl";
|
| 940 |
break;
|
| 941 |
case OPC_LDR:
|
| 942 |
GEN_LOAD_REG_T1(rt); |
| 943 |
op_ldst(ldr); |
| 944 |
GEN_STORE_T1_REG(rt); |
| 945 |
opn = "ldr";
|
| 946 |
break;
|
| 947 |
case OPC_SDR:
|
| 948 |
GEN_LOAD_REG_T1(rt); |
| 949 |
op_ldst(sdr); |
| 950 |
opn = "sdr";
|
| 951 |
break;
|
| 952 |
#endif
|
| 953 |
case OPC_LW:
|
| 954 |
op_ldst(lw); |
| 955 |
GEN_STORE_T0_REG(rt); |
| 956 |
opn = "lw";
|
| 957 |
break;
|
| 958 |
case OPC_SW:
|
| 959 |
GEN_LOAD_REG_T1(rt); |
| 960 |
op_ldst(sw); |
| 961 |
opn = "sw";
|
| 962 |
break;
|
| 963 |
case OPC_LH:
|
| 964 |
op_ldst(lh); |
| 965 |
GEN_STORE_T0_REG(rt); |
| 966 |
opn = "lh";
|
| 967 |
break;
|
| 968 |
case OPC_SH:
|
| 969 |
GEN_LOAD_REG_T1(rt); |
| 970 |
op_ldst(sh); |
| 971 |
opn = "sh";
|
| 972 |
break;
|
| 973 |
case OPC_LHU:
|
| 974 |
op_ldst(lhu); |
| 975 |
GEN_STORE_T0_REG(rt); |
| 976 |
opn = "lhu";
|
| 977 |
break;
|
| 978 |
case OPC_LB:
|
| 979 |
op_ldst(lb); |
| 980 |
GEN_STORE_T0_REG(rt); |
| 981 |
opn = "lb";
|
| 982 |
break;
|
| 983 |
case OPC_SB:
|
| 984 |
GEN_LOAD_REG_T1(rt); |
| 985 |
op_ldst(sb); |
| 986 |
opn = "sb";
|
| 987 |
break;
|
| 988 |
case OPC_LBU:
|
| 989 |
op_ldst(lbu); |
| 990 |
GEN_STORE_T0_REG(rt); |
| 991 |
opn = "lbu";
|
| 992 |
break;
|
| 993 |
case OPC_LWL:
|
| 994 |
GEN_LOAD_REG_T1(rt); |
| 995 |
op_ldst(lwl); |
| 996 |
GEN_STORE_T1_REG(rt); |
| 997 |
opn = "lwl";
|
| 998 |
break;
|
| 999 |
case OPC_SWL:
|
| 1000 |
GEN_LOAD_REG_T1(rt); |
| 1001 |
op_ldst(swl); |
| 1002 |
opn = "swr";
|
| 1003 |
break;
|
| 1004 |
case OPC_LWR:
|
| 1005 |
GEN_LOAD_REG_T1(rt); |
| 1006 |
op_ldst(lwr); |
| 1007 |
GEN_STORE_T1_REG(rt); |
| 1008 |
opn = "lwr";
|
| 1009 |
break;
|
| 1010 |
case OPC_SWR:
|
| 1011 |
GEN_LOAD_REG_T1(rt); |
| 1012 |
op_ldst(swr); |
| 1013 |
opn = "swr";
|
| 1014 |
break;
|
| 1015 |
case OPC_LL:
|
| 1016 |
op_ldst(ll); |
| 1017 |
GEN_STORE_T0_REG(rt); |
| 1018 |
opn = "ll";
|
| 1019 |
break;
|
| 1020 |
case OPC_SC:
|
| 1021 |
save_cpu_state(ctx, 1);
|
| 1022 |
GEN_LOAD_REG_T1(rt); |
| 1023 |
op_ldst(sc); |
| 1024 |
GEN_STORE_T0_REG(rt); |
| 1025 |
opn = "sc";
|
| 1026 |
break;
|
| 1027 |
default:
|
| 1028 |
MIPS_INVAL(opn); |
| 1029 |
generate_exception(ctx, EXCP_RI); |
| 1030 |
return;
|
| 1031 |
} |
| 1032 |
MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
|
| 1033 |
} |
| 1034 |
|
| 1035 |
/* Load and store */
|
| 1036 |
static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft, |
| 1037 |
int base, int16_t offset)
|
| 1038 |
{
|
| 1039 |
const char *opn = "flt_ldst"; |
| 1040 |
|
| 1041 |
if (base == 0) { |
| 1042 |
GEN_LOAD_IMM_TN(T0, offset); |
| 1043 |
} else if (offset == 0) { |
| 1044 |
gen_op_load_gpr_T0(base); |
| 1045 |
} else {
|
| 1046 |
gen_op_load_gpr_T0(base); |
| 1047 |
gen_op_set_T1(offset); |
| 1048 |
gen_op_addr_add(); |
| 1049 |
} |
| 1050 |
/* Don't do NOP if destination is zero: we must perform the actual
|
| 1051 |
memory access. */
|
| 1052 |
switch (opc) {
|
| 1053 |
case OPC_LWC1:
|
| 1054 |
op_ldst(lwc1); |
| 1055 |
GEN_STORE_FTN_FREG(ft, WT0); |
| 1056 |
opn = "lwc1";
|
| 1057 |
break;
|
| 1058 |
case OPC_SWC1:
|
| 1059 |
GEN_LOAD_FREG_FTN(WT0, ft); |
| 1060 |
op_ldst(swc1); |
| 1061 |
opn = "swc1";
|
| 1062 |
break;
|
| 1063 |
case OPC_LDC1:
|
| 1064 |
op_ldst(ldc1); |
| 1065 |
GEN_STORE_FTN_FREG(ft, DT0); |
| 1066 |
opn = "ldc1";
|
| 1067 |
break;
|
| 1068 |
case OPC_SDC1:
|
| 1069 |
GEN_LOAD_FREG_FTN(DT0, ft); |
| 1070 |
op_ldst(sdc1); |
| 1071 |
opn = "sdc1";
|
| 1072 |
break;
|
| 1073 |
default:
|
| 1074 |
MIPS_INVAL(opn); |
| 1075 |
generate_exception(ctx, EXCP_RI); |
| 1076 |
return;
|
| 1077 |
} |
| 1078 |
MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
|
| 1079 |
} |
| 1080 |
|
| 1081 |
/* Arithmetic with immediate operand */
|
| 1082 |
static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc, |
| 1083 |
int rt, int rs, int16_t imm) |
| 1084 |
{
|
| 1085 |
target_ulong uimm; |
| 1086 |
const char *opn = "imm arith"; |
| 1087 |
|
| 1088 |
if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { |
| 1089 |
/* If no destination, treat it as a NOP.
|
| 1090 |
For addi, we must generate the overflow exception when needed. */
|
| 1091 |
MIPS_DEBUG("NOP");
|
| 1092 |
return;
|
| 1093 |
} |
| 1094 |
uimm = (uint16_t)imm; |
| 1095 |
switch (opc) {
|
| 1096 |
case OPC_ADDI:
|
| 1097 |
case OPC_ADDIU:
|
| 1098 |
#if defined(TARGET_MIPS64)
|
| 1099 |
case OPC_DADDI:
|
| 1100 |
case OPC_DADDIU:
|
| 1101 |
#endif
|
| 1102 |
case OPC_SLTI:
|
| 1103 |
case OPC_SLTIU:
|
| 1104 |
uimm = (target_long)imm; /* Sign extend to 32/64 bits */
|
| 1105 |
/* Fall through. */
|
| 1106 |
case OPC_ANDI:
|
| 1107 |
case OPC_ORI:
|
| 1108 |
case OPC_XORI:
|
| 1109 |
GEN_LOAD_REG_T0(rs); |
| 1110 |
GEN_LOAD_IMM_TN(T1, uimm); |
| 1111 |
break;
|
| 1112 |
case OPC_LUI:
|
| 1113 |
GEN_LOAD_IMM_TN(T0, imm << 16);
|
| 1114 |
break;
|
| 1115 |
case OPC_SLL:
|
| 1116 |
case OPC_SRA:
|
| 1117 |
case OPC_SRL:
|
| 1118 |
#if defined(TARGET_MIPS64)
|
| 1119 |
case OPC_DSLL:
|
| 1120 |
case OPC_DSRA:
|
| 1121 |
case OPC_DSRL:
|
| 1122 |
case OPC_DSLL32:
|
| 1123 |
case OPC_DSRA32:
|
| 1124 |
case OPC_DSRL32:
|
| 1125 |
#endif
|
| 1126 |
uimm &= 0x1f;
|
| 1127 |
GEN_LOAD_REG_T0(rs); |
| 1128 |
GEN_LOAD_IMM_TN(T1, uimm); |
| 1129 |
break;
|
| 1130 |
} |
| 1131 |
switch (opc) {
|
| 1132 |
case OPC_ADDI:
|
| 1133 |
save_cpu_state(ctx, 1);
|
| 1134 |
gen_op_addo(); |
| 1135 |
opn = "addi";
|
| 1136 |
break;
|
| 1137 |
case OPC_ADDIU:
|
| 1138 |
gen_op_add(); |
| 1139 |
opn = "addiu";
|
| 1140 |
break;
|
| 1141 |
#if defined(TARGET_MIPS64)
|
| 1142 |
case OPC_DADDI:
|
| 1143 |
save_cpu_state(ctx, 1);
|
| 1144 |
gen_op_daddo(); |
| 1145 |
opn = "daddi";
|
| 1146 |
break;
|
| 1147 |
case OPC_DADDIU:
|
| 1148 |
gen_op_dadd(); |
| 1149 |
opn = "daddiu";
|
| 1150 |
break;
|
| 1151 |
#endif
|
| 1152 |
case OPC_SLTI:
|
| 1153 |
gen_op_lt(); |
| 1154 |
opn = "slti";
|
| 1155 |
break;
|
| 1156 |
case OPC_SLTIU:
|
| 1157 |
gen_op_ltu(); |
| 1158 |
opn = "sltiu";
|
| 1159 |
break;
|
| 1160 |
case OPC_ANDI:
|
| 1161 |
gen_op_and(); |
| 1162 |
opn = "andi";
|
| 1163 |
break;
|
| 1164 |
case OPC_ORI:
|
| 1165 |
gen_op_or(); |
| 1166 |
opn = "ori";
|
| 1167 |
break;
|
| 1168 |
case OPC_XORI:
|
| 1169 |
gen_op_xor(); |
| 1170 |
opn = "xori";
|
| 1171 |
break;
|
| 1172 |
case OPC_LUI:
|
| 1173 |
opn = "lui";
|
| 1174 |
break;
|
| 1175 |
case OPC_SLL:
|
| 1176 |
gen_op_sll(); |
| 1177 |
opn = "sll";
|
| 1178 |
break;
|
| 1179 |
case OPC_SRA:
|
| 1180 |
gen_op_sra(); |
| 1181 |
opn = "sra";
|
| 1182 |
break;
|
| 1183 |
case OPC_SRL:
|
| 1184 |
switch ((ctx->opcode >> 21) & 0x1f) { |
| 1185 |
case 0: |
| 1186 |
gen_op_srl(); |
| 1187 |
opn = "srl";
|
| 1188 |
break;
|
| 1189 |
case 1: |
| 1190 |
/* rotr is decoded as srl on non-R2 CPUs */
|
| 1191 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 1192 |
gen_op_rotr(); |
| 1193 |
opn = "rotr";
|
| 1194 |
} else {
|
| 1195 |
gen_op_srl(); |
| 1196 |
opn = "srl";
|
| 1197 |
} |
| 1198 |
break;
|
| 1199 |
default:
|
| 1200 |
MIPS_INVAL("invalid srl flag");
|
| 1201 |
generate_exception(ctx, EXCP_RI); |
| 1202 |
break;
|
| 1203 |
} |
| 1204 |
break;
|
| 1205 |
#if defined(TARGET_MIPS64)
|
| 1206 |
case OPC_DSLL:
|
| 1207 |
gen_op_dsll(); |
| 1208 |
opn = "dsll";
|
| 1209 |
break;
|
| 1210 |
case OPC_DSRA:
|
| 1211 |
gen_op_dsra(); |
| 1212 |
opn = "dsra";
|
| 1213 |
break;
|
| 1214 |
case OPC_DSRL:
|
| 1215 |
switch ((ctx->opcode >> 21) & 0x1f) { |
| 1216 |
case 0: |
| 1217 |
gen_op_dsrl(); |
| 1218 |
opn = "dsrl";
|
| 1219 |
break;
|
| 1220 |
case 1: |
| 1221 |
/* drotr is decoded as dsrl on non-R2 CPUs */
|
| 1222 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 1223 |
gen_op_drotr(); |
| 1224 |
opn = "drotr";
|
| 1225 |
} else {
|
| 1226 |
gen_op_dsrl(); |
| 1227 |
opn = "dsrl";
|
| 1228 |
} |
| 1229 |
break;
|
| 1230 |
default:
|
| 1231 |
MIPS_INVAL("invalid dsrl flag");
|
| 1232 |
generate_exception(ctx, EXCP_RI); |
| 1233 |
break;
|
| 1234 |
} |
| 1235 |
break;
|
| 1236 |
case OPC_DSLL32:
|
| 1237 |
gen_op_dsll32(); |
| 1238 |
opn = "dsll32";
|
| 1239 |
break;
|
| 1240 |
case OPC_DSRA32:
|
| 1241 |
gen_op_dsra32(); |
| 1242 |
opn = "dsra32";
|
| 1243 |
break;
|
| 1244 |
case OPC_DSRL32:
|
| 1245 |
switch ((ctx->opcode >> 21) & 0x1f) { |
| 1246 |
case 0: |
| 1247 |
gen_op_dsrl32(); |
| 1248 |
opn = "dsrl32";
|
| 1249 |
break;
|
| 1250 |
case 1: |
| 1251 |
/* drotr32 is decoded as dsrl32 on non-R2 CPUs */
|
| 1252 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 1253 |
gen_op_drotr32(); |
| 1254 |
opn = "drotr32";
|
| 1255 |
} else {
|
| 1256 |
gen_op_dsrl32(); |
| 1257 |
opn = "dsrl32";
|
| 1258 |
} |
| 1259 |
break;
|
| 1260 |
default:
|
| 1261 |
MIPS_INVAL("invalid dsrl32 flag");
|
| 1262 |
generate_exception(ctx, EXCP_RI); |
| 1263 |
break;
|
| 1264 |
} |
| 1265 |
break;
|
| 1266 |
#endif
|
| 1267 |
default:
|
| 1268 |
MIPS_INVAL(opn); |
| 1269 |
generate_exception(ctx, EXCP_RI); |
| 1270 |
return;
|
| 1271 |
} |
| 1272 |
GEN_STORE_T0_REG(rt); |
| 1273 |
MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
|
| 1274 |
} |
| 1275 |
|
| 1276 |
/* Arithmetic */
|
| 1277 |
static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, |
| 1278 |
int rd, int rs, int rt) |
| 1279 |
{
|
| 1280 |
const char *opn = "arith"; |
| 1281 |
|
| 1282 |
if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB |
| 1283 |
&& opc != OPC_DADD && opc != OPC_DSUB) {
|
| 1284 |
/* If no destination, treat it as a NOP.
|
| 1285 |
For add & sub, we must generate the overflow exception when needed. */
|
| 1286 |
MIPS_DEBUG("NOP");
|
| 1287 |
return;
|
| 1288 |
} |
| 1289 |
GEN_LOAD_REG_T0(rs); |
| 1290 |
/* Specialcase the conventional move operation. */
|
| 1291 |
if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU |
| 1292 |
|| opc == OPC_SUBU || opc == OPC_DSUBU)) {
|
| 1293 |
GEN_STORE_T0_REG(rd); |
| 1294 |
return;
|
| 1295 |
} |
| 1296 |
GEN_LOAD_REG_T1(rt); |
| 1297 |
switch (opc) {
|
| 1298 |
case OPC_ADD:
|
| 1299 |
save_cpu_state(ctx, 1);
|
| 1300 |
gen_op_addo(); |
| 1301 |
opn = "add";
|
| 1302 |
break;
|
| 1303 |
case OPC_ADDU:
|
| 1304 |
gen_op_add(); |
| 1305 |
opn = "addu";
|
| 1306 |
break;
|
| 1307 |
case OPC_SUB:
|
| 1308 |
save_cpu_state(ctx, 1);
|
| 1309 |
gen_op_subo(); |
| 1310 |
opn = "sub";
|
| 1311 |
break;
|
| 1312 |
case OPC_SUBU:
|
| 1313 |
gen_op_sub(); |
| 1314 |
opn = "subu";
|
| 1315 |
break;
|
| 1316 |
#if defined(TARGET_MIPS64)
|
| 1317 |
case OPC_DADD:
|
| 1318 |
save_cpu_state(ctx, 1);
|
| 1319 |
gen_op_daddo(); |
| 1320 |
opn = "dadd";
|
| 1321 |
break;
|
| 1322 |
case OPC_DADDU:
|
| 1323 |
gen_op_dadd(); |
| 1324 |
opn = "daddu";
|
| 1325 |
break;
|
| 1326 |
case OPC_DSUB:
|
| 1327 |
save_cpu_state(ctx, 1);
|
| 1328 |
gen_op_dsubo(); |
| 1329 |
opn = "dsub";
|
| 1330 |
break;
|
| 1331 |
case OPC_DSUBU:
|
| 1332 |
gen_op_dsub(); |
| 1333 |
opn = "dsubu";
|
| 1334 |
break;
|
| 1335 |
#endif
|
| 1336 |
case OPC_SLT:
|
| 1337 |
gen_op_lt(); |
| 1338 |
opn = "slt";
|
| 1339 |
break;
|
| 1340 |
case OPC_SLTU:
|
| 1341 |
gen_op_ltu(); |
| 1342 |
opn = "sltu";
|
| 1343 |
break;
|
| 1344 |
case OPC_AND:
|
| 1345 |
gen_op_and(); |
| 1346 |
opn = "and";
|
| 1347 |
break;
|
| 1348 |
case OPC_NOR:
|
| 1349 |
gen_op_nor(); |
| 1350 |
opn = "nor";
|
| 1351 |
break;
|
| 1352 |
case OPC_OR:
|
| 1353 |
gen_op_or(); |
| 1354 |
opn = "or";
|
| 1355 |
break;
|
| 1356 |
case OPC_XOR:
|
| 1357 |
gen_op_xor(); |
| 1358 |
opn = "xor";
|
| 1359 |
break;
|
| 1360 |
case OPC_MUL:
|
| 1361 |
gen_op_mul(); |
| 1362 |
opn = "mul";
|
| 1363 |
break;
|
| 1364 |
case OPC_MOVN:
|
| 1365 |
gen_op_movn(rd); |
| 1366 |
opn = "movn";
|
| 1367 |
goto print;
|
| 1368 |
case OPC_MOVZ:
|
| 1369 |
gen_op_movz(rd); |
| 1370 |
opn = "movz";
|
| 1371 |
goto print;
|
| 1372 |
case OPC_SLLV:
|
| 1373 |
gen_op_sllv(); |
| 1374 |
opn = "sllv";
|
| 1375 |
break;
|
| 1376 |
case OPC_SRAV:
|
| 1377 |
gen_op_srav(); |
| 1378 |
opn = "srav";
|
| 1379 |
break;
|
| 1380 |
case OPC_SRLV:
|
| 1381 |
switch ((ctx->opcode >> 6) & 0x1f) { |
| 1382 |
case 0: |
| 1383 |
gen_op_srlv(); |
| 1384 |
opn = "srlv";
|
| 1385 |
break;
|
| 1386 |
case 1: |
| 1387 |
/* rotrv is decoded as srlv on non-R2 CPUs */
|
| 1388 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 1389 |
gen_op_rotrv(); |
| 1390 |
opn = "rotrv";
|
| 1391 |
} else {
|
| 1392 |
gen_op_srlv(); |
| 1393 |
opn = "srlv";
|
| 1394 |
} |
| 1395 |
break;
|
| 1396 |
default:
|
| 1397 |
MIPS_INVAL("invalid srlv flag");
|
| 1398 |
generate_exception(ctx, EXCP_RI); |
| 1399 |
break;
|
| 1400 |
} |
| 1401 |
break;
|
| 1402 |
#if defined(TARGET_MIPS64)
|
| 1403 |
case OPC_DSLLV:
|
| 1404 |
gen_op_dsllv(); |
| 1405 |
opn = "dsllv";
|
| 1406 |
break;
|
| 1407 |
case OPC_DSRAV:
|
| 1408 |
gen_op_dsrav(); |
| 1409 |
opn = "dsrav";
|
| 1410 |
break;
|
| 1411 |
case OPC_DSRLV:
|
| 1412 |
switch ((ctx->opcode >> 6) & 0x1f) { |
| 1413 |
case 0: |
| 1414 |
gen_op_dsrlv(); |
| 1415 |
opn = "dsrlv";
|
| 1416 |
break;
|
| 1417 |
case 1: |
| 1418 |
/* drotrv is decoded as dsrlv on non-R2 CPUs */
|
| 1419 |
if (env->insn_flags & ISA_MIPS32R2) {
|
| 1420 |
gen_op_drotrv(); |
| 1421 |
opn = "drotrv";
|
| 1422 |
} else {
|
| 1423 |
gen_op_dsrlv(); |
| 1424 |
opn = "dsrlv";
|
| 1425 |
} |
| 1426 |
break;
|
| 1427 |
default:
|
| 1428 |
MIPS_INVAL("invalid dsrlv flag");
|
| 1429 |
generate_exception(ctx, EXCP_RI); |
| 1430 |
break;
|
| 1431 |
} |
| 1432 |
break;
|
| 1433 |
#endif
|
| 1434 |
default:
|
| 1435 |
MIPS_INVAL(opn); |
| 1436 |
generate_exception(ctx, EXCP_RI); |
| 1437 |
return;
|
| 1438 |
} |
| 1439 |
GEN_STORE_T0_REG(rd); |
| 1440 |
print:
|
| 1441 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 1442 |
} |
| 1443 |
|
| 1444 |
/* Arithmetic on HI/LO registers */
|
| 1445 |
static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg) |
| 1446 |
{
|
| 1447 |
const char *opn = "hilo"; |
| 1448 |
|
| 1449 |
if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { |
| 1450 |
/* Treat as NOP. */
|
| 1451 |
MIPS_DEBUG("NOP");
|
| 1452 |
return;
|
| 1453 |
} |
| 1454 |
switch (opc) {
|
| 1455 |
case OPC_MFHI:
|
| 1456 |
gen_op_load_HI(0);
|
| 1457 |
GEN_STORE_T0_REG(reg); |
| 1458 |
opn = "mfhi";
|
| 1459 |
break;
|
| 1460 |
case OPC_MFLO:
|
| 1461 |
gen_op_load_LO(0);
|
| 1462 |
GEN_STORE_T0_REG(reg); |
| 1463 |
opn = "mflo";
|
| 1464 |
break;
|
| 1465 |
case OPC_MTHI:
|
| 1466 |
GEN_LOAD_REG_T0(reg); |
| 1467 |
gen_op_store_HI(0);
|
| 1468 |
opn = "mthi";
|
| 1469 |
break;
|
| 1470 |
case OPC_MTLO:
|
| 1471 |
GEN_LOAD_REG_T0(reg); |
| 1472 |
gen_op_store_LO(0);
|
| 1473 |
opn = "mtlo";
|
| 1474 |
break;
|
| 1475 |
default:
|
| 1476 |
MIPS_INVAL(opn); |
| 1477 |
generate_exception(ctx, EXCP_RI); |
| 1478 |
return;
|
| 1479 |
} |
| 1480 |
MIPS_DEBUG("%s %s", opn, regnames[reg]);
|
| 1481 |
} |
| 1482 |
|
| 1483 |
static void gen_muldiv (DisasContext *ctx, uint32_t opc, |
| 1484 |
int rs, int rt) |
| 1485 |
{
|
| 1486 |
const char *opn = "mul/div"; |
| 1487 |
|
| 1488 |
GEN_LOAD_REG_T0(rs); |
| 1489 |
GEN_LOAD_REG_T1(rt); |
| 1490 |
switch (opc) {
|
| 1491 |
case OPC_DIV:
|
| 1492 |
gen_op_div(); |
| 1493 |
opn = "div";
|
| 1494 |
break;
|
| 1495 |
case OPC_DIVU:
|
| 1496 |
gen_op_divu(); |
| 1497 |
opn = "divu";
|
| 1498 |
break;
|
| 1499 |
case OPC_MULT:
|
| 1500 |
gen_op_mult(); |
| 1501 |
opn = "mult";
|
| 1502 |
break;
|
| 1503 |
case OPC_MULTU:
|
| 1504 |
gen_op_multu(); |
| 1505 |
opn = "multu";
|
| 1506 |
break;
|
| 1507 |
#if defined(TARGET_MIPS64)
|
| 1508 |
case OPC_DDIV:
|
| 1509 |
gen_op_ddiv(); |
| 1510 |
opn = "ddiv";
|
| 1511 |
break;
|
| 1512 |
case OPC_DDIVU:
|
| 1513 |
gen_op_ddivu(); |
| 1514 |
opn = "ddivu";
|
| 1515 |
break;
|
| 1516 |
case OPC_DMULT:
|
| 1517 |
gen_op_dmult(); |
| 1518 |
opn = "dmult";
|
| 1519 |
break;
|
| 1520 |
case OPC_DMULTU:
|
| 1521 |
gen_op_dmultu(); |
| 1522 |
opn = "dmultu";
|
| 1523 |
break;
|
| 1524 |
#endif
|
| 1525 |
case OPC_MADD:
|
| 1526 |
gen_op_madd(); |
| 1527 |
opn = "madd";
|
| 1528 |
break;
|
| 1529 |
case OPC_MADDU:
|
| 1530 |
gen_op_maddu(); |
| 1531 |
opn = "maddu";
|
| 1532 |
break;
|
| 1533 |
case OPC_MSUB:
|
| 1534 |
gen_op_msub(); |
| 1535 |
opn = "msub";
|
| 1536 |
break;
|
| 1537 |
case OPC_MSUBU:
|
| 1538 |
gen_op_msubu(); |
| 1539 |
opn = "msubu";
|
| 1540 |
break;
|
| 1541 |
default:
|
| 1542 |
MIPS_INVAL(opn); |
| 1543 |
generate_exception(ctx, EXCP_RI); |
| 1544 |
return;
|
| 1545 |
} |
| 1546 |
MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
|
| 1547 |
} |
| 1548 |
|
| 1549 |
static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc, |
| 1550 |
int rd, int rs, int rt) |
| 1551 |
{
|
| 1552 |
const char *opn = "mul vr54xx"; |
| 1553 |
|
| 1554 |
GEN_LOAD_REG_T0(rs); |
| 1555 |
GEN_LOAD_REG_T1(rt); |
| 1556 |
|
| 1557 |
switch (opc) {
|
| 1558 |
case OPC_VR54XX_MULS:
|
| 1559 |
gen_op_muls(); |
| 1560 |
opn = "muls";
|
| 1561 |
break;
|
| 1562 |
case OPC_VR54XX_MULSU:
|
| 1563 |
gen_op_mulsu(); |
| 1564 |
opn = "mulsu";
|
| 1565 |
break;
|
| 1566 |
case OPC_VR54XX_MACC:
|
| 1567 |
gen_op_macc(); |
| 1568 |
opn = "macc";
|
| 1569 |
break;
|
| 1570 |
case OPC_VR54XX_MACCU:
|
| 1571 |
gen_op_maccu(); |
| 1572 |
opn = "maccu";
|
| 1573 |
break;
|
| 1574 |
case OPC_VR54XX_MSAC:
|
| 1575 |
gen_op_msac(); |
| 1576 |
opn = "msac";
|
| 1577 |
break;
|
| 1578 |
case OPC_VR54XX_MSACU:
|
| 1579 |
gen_op_msacu(); |
| 1580 |
opn = "msacu";
|
| 1581 |
break;
|
| 1582 |
case OPC_VR54XX_MULHI:
|
| 1583 |
gen_op_mulhi(); |
| 1584 |
opn = "mulhi";
|
| 1585 |
break;
|
| 1586 |
case OPC_VR54XX_MULHIU:
|
| 1587 |
gen_op_mulhiu(); |
| 1588 |
opn = "mulhiu";
|
| 1589 |
break;
|
| 1590 |
case OPC_VR54XX_MULSHI:
|
| 1591 |
gen_op_mulshi(); |
| 1592 |
opn = "mulshi";
|
| 1593 |
break;
|
| 1594 |
case OPC_VR54XX_MULSHIU:
|
| 1595 |
gen_op_mulshiu(); |
| 1596 |
opn = "mulshiu";
|
| 1597 |
break;
|
| 1598 |
case OPC_VR54XX_MACCHI:
|
| 1599 |
gen_op_macchi(); |
| 1600 |
opn = "macchi";
|
| 1601 |
break;
|
| 1602 |
case OPC_VR54XX_MACCHIU:
|
| 1603 |
gen_op_macchiu(); |
| 1604 |
opn = "macchiu";
|
| 1605 |
break;
|
| 1606 |
case OPC_VR54XX_MSACHI:
|
| 1607 |
gen_op_msachi(); |
| 1608 |
opn = "msachi";
|
| 1609 |
break;
|
| 1610 |
case OPC_VR54XX_MSACHIU:
|
| 1611 |
gen_op_msachiu(); |
| 1612 |
opn = "msachiu";
|
| 1613 |
break;
|
| 1614 |
default:
|
| 1615 |
MIPS_INVAL("mul vr54xx");
|
| 1616 |
generate_exception(ctx, EXCP_RI); |
| 1617 |
return;
|
| 1618 |
} |
| 1619 |
GEN_STORE_T0_REG(rd); |
| 1620 |
MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
|
| 1621 |
} |
| 1622 |
|
| 1623 |
static void gen_cl (DisasContext *ctx, uint32_t opc, |
| 1624 |
int rd, int rs) |
| 1625 |
{
|
| 1626 |
const char *opn = "CLx"; |
| 1627 |
if (rd == 0) { |
| 1628 |
/* Treat as NOP. */
|
| 1629 |
MIPS_DEBUG("NOP");
|
| 1630 |
return;
|
| 1631 |
} |
| 1632 |
GEN_LOAD_REG_T0(rs); |
| 1633 |
switch (opc) {
|
| 1634 |
case OPC_CLO:
|
| 1635 |
gen_op_clo(); |
| 1636 |
opn = "clo";
|
| 1637 |
break;
|
| 1638 |
case OPC_CLZ:
|
| 1639 |
gen_op_clz(); |
| 1640 |
opn = "clz";
|
| 1641 |
break;
|
| 1642 |
#if defined(TARGET_MIPS64)
|
| 1643 |
case OPC_DCLO:
|
| 1644 |
gen_op_dclo(); |
| 1645 |
opn = "dclo";
|
| 1646 |
break;
|
| 1647 |
case OPC_DCLZ:
|
| 1648 |
gen_op_dclz(); |
| 1649 |
opn = "dclz";
|
| 1650 |
break;
|
| 1651 |
#endif
|
| 1652 |
default:
|
| 1653 |
MIPS_INVAL(opn); |
| 1654 |
generate_exception(ctx, EXCP_RI); |
| 1655 |
return;
|
| 1656 |
} |
| 1657 |
gen_op_store_T0_gpr(rd); |
| 1658 |
MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
|
| 1659 |
} |
| 1660 |
|
| 1661 |
/* Traps */
|
| 1662 |
static void gen_trap (DisasContext *ctx, uint32_t opc, |
| 1663 |
int rs, int rt, int16_t imm) |
| 1664 |
{
|
| 1665 |
int cond;
|
| 1666 |
|
| 1667 |
cond = 0;
|
| 1668 |
/* Load needed operands */
|
| 1669 |
switch (opc) {
|
| 1670 |
case OPC_TEQ:
|
| 1671 |
case OPC_TGE:
|
| 1672 |
case OPC_TGEU:
|
| 1673 |
case OPC_TLT:
|
| 1674 |
case OPC_TLTU:
|
| 1675 |
case OPC_TNE:
|
| 1676 |
/* Compare two registers */
|
| 1677 |
if (rs != rt) {
|
| 1678 |
GEN_LOAD_REG_T0(rs); |
| 1679 |
GEN_LOAD_REG_T1(rt); |
| 1680 |
cond = 1;
|
| 1681 |
} |
| 1682 |
break;
|
| 1683 |
case OPC_TEQI:
|
| 1684 |
case OPC_TGEI:
|
| 1685 |
case OPC_TGEIU:
|
| 1686 |
case OPC_TLTI:
|
| 1687 |
case OPC_TLTIU:
|
| 1688 |
case OPC_TNEI:
|
| 1689 |
/* Compare register to immediate */
|
| 1690 |
if (rs != 0 || imm != 0) { |
| 1691 |
GEN_LOAD_REG_T0(rs); |
| 1692 |
GEN_LOAD_IMM_TN(T1, (int32_t)imm); |
| 1693 |
cond = 1;
|
| 1694 |
} |
| 1695 |
break;
|
| 1696 |
} |
| 1697 |
if (cond == 0) { |
| 1698 |
switch (opc) {
|
| 1699 |
case OPC_TEQ: /* rs == rs */ |
| 1700 |
case OPC_TEQI: /* r0 == 0 */ |
| 1701 |
case OPC_TGE: /* rs >= rs */ |
| 1702 |
case OPC_TGEI: /* r0 >= 0 */ |
| 1703 |
case OPC_TGEU: /* rs >= rs unsigned */ |
| 1704 |
case OPC_TGEIU: /* r0 >= 0 unsigned */ |
| 1705 |
/* Always trap */
|
| 1706 |
gen_op_set_T0(1);
|
| 1707 |
break;
|
| 1708 |
case OPC_TLT: /* rs < rs */ |
| 1709 |
case OPC_TLTI: /* r0 < 0 */ |
| 1710 |
case OPC_TLTU: /* rs < rs unsigned */ |
| 1711 |
case OPC_TLTIU: /* r0 < 0 unsigned */ |
| 1712 |
case OPC_TNE: /* rs != rs */ |
| 1713 |
case OPC_TNEI: /* r0 != 0 */ |
| 1714 |
/* Never trap: treat as NOP. */
|
| 1715 |
return;
|
| 1716 |
default:
|
| 1717 |
MIPS_INVAL("trap");
|
| 1718 |
generate_exception(ctx, EXCP_RI); |
| 1719 |
return;
|
| 1720 |
} |
| 1721 |
} else {
|
| 1722 |
switch (opc) {
|
| 1723 |
case OPC_TEQ:
|
| 1724 |
case OPC_TEQI:
|
| 1725 |
gen_op_eq(); |
| 1726 |
break;
|
| 1727 |
case OPC_TGE:
|
| 1728 |
case OPC_TGEI:
|
| 1729 |
gen_op_ge(); |
| 1730 |
break;
|
| 1731 |
case OPC_TGEU:
|
| 1732 |
case OPC_TGEIU:
|
| 1733 |
gen_op_geu(); |
| 1734 |
break;
|
| 1735 |
case OPC_TLT:
|
| 1736 |
case OPC_TLTI:
|
| 1737 |
gen_op_lt(); |
| 1738 |
break;
|
| 1739 |
case OPC_TLTU:
|
| 1740 |
case OPC_TLTIU:
|
| 1741 |
gen_op_ltu(); |
| 1742 |
break;
|
| 1743 |
case OPC_TNE:
|
| 1744 |
case OPC_TNEI:
|
| 1745 |
gen_op_ne(); |
| 1746 |
break;
|
| 1747 |
default:
|
| 1748 |
MIPS_INVAL("trap");
|
| 1749 |
generate_exception(ctx, EXCP_RI); |
| 1750 |
return;
|
| 1751 |
} |
| 1752 |
} |
| 1753 |
save_cpu_state(ctx, 1);
|
| 1754 |
gen_op_trap(); |
| 1755 |
ctx->bstate = BS_STOP; |
| 1756 |
} |
| 1757 |
|
| 1758 |
static always_inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) |
| 1759 |
{
|
| 1760 |
TranslationBlock *tb; |
| 1761 |
tb = ctx->tb; |
| 1762 |
if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK)) {
|
| 1763 |
tcg_gen_goto_tb(n); |
| 1764 |
gen_save_pc(dest); |
| 1765 |
tcg_gen_exit_tb((long)tb + n);
|
| 1766 |
} else {
|
| 1767 |
gen_save_pc(dest); |
| 1768 |
tcg_gen_exit_tb(0);
|
| 1769 |
} |
| 1770 |
} |
| 1771 |
|
| 1772 |
/* Branches (before delay slot) */
|
| 1773 |
static void gen_compute_branch (DisasContext *ctx, uint32_t opc, |
| 1774 |
int rs, int rt, int32_t offset) |
| 1775 |
{
|
| 1776 |
target_ulong btarget = -1;
|
| 1777 |
int blink = 0; |
| 1778 |
int bcond = 0; |
| 1779 |
|
| 1780 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
| 1781 |
#ifdef MIPS_DEBUG_DISAS
|
| 1782 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 1783 |
fprintf(logfile, |
| 1784 |
"Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", |
| 1785 |
ctx->pc); |
| 1786 |
} |
| 1787 |
#endif
|
| 1788 |
generate_exception(ctx, EXCP_RI); |
| 1789 |
return;
|
| 1790 |
} |
| 1791 |
|
| 1792 |
/* Load needed operands */
|
| 1793 |
switch (opc) {
|
| 1794 |
case OPC_BEQ:
|
| 1795 |
case OPC_BEQL:
|
| 1796 |
case OPC_BNE:
|
| 1797 |
case OPC_BNEL:
|
| 1798 |
/* Compare two registers */
|
| 1799 |
if (rs != rt) {
|
| 1800 |
GEN_LOAD_REG_T0(rs); |
| 1801 |
GEN_LOAD_REG_T1(rt); |
| 1802 |
bcond = 1;
|
| 1803 |
} |
| 1804 |
btarget = ctx->pc + 4 + offset;
|
| 1805 |
break;
|
| 1806 |
case OPC_BGEZ:
|
| 1807 |
case OPC_BGEZAL:
|
| 1808 |
case OPC_BGEZALL:
|
| 1809 |
case OPC_BGEZL:
|
| 1810 |
case OPC_BGTZ:
|
| 1811 |
case OPC_BGTZL:
|
| 1812 |
case OPC_BLEZ:
|
| 1813 |
case OPC_BLEZL:
|
| 1814 |
case OPC_BLTZ:
|
| 1815 |
case OPC_BLTZAL:
|
| 1816 |
case OPC_BLTZALL:
|
| 1817 |
case OPC_BLTZL:
|
| 1818 |
/* Compare to zero */
|
| 1819 |
if (rs != 0) { |
| 1820 |
gen_op_load_gpr_T0(rs); |
| 1821 |
bcond = 1;
|
| 1822 |
} |
| 1823 |
btarget = ctx->pc + 4 + offset;
|
| 1824 |
break;
|
| 1825 |
case OPC_J:
|
| 1826 |
case OPC_JAL:
|
| 1827 |
/* Jump to immediate */
|
| 1828 |
btarget = ((ctx->pc + 4) & (int32_t)0xF0000000) | (uint32_t)offset; |
| 1829 |
break;
|
| 1830 |
case OPC_JR:
|
| 1831 |
case OPC_JALR:
|
| 1832 |
/* Jump to register */
|
| 1833 |
if (offset != 0 && offset != 16) { |
| 1834 |
/* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
|
| 1835 |
others are reserved. */
|
| 1836 |
MIPS_INVAL("jump hint");
|
| 1837 |
generate_exception(ctx, EXCP_RI); |
| 1838 |
return;
|
| 1839 |
} |
| 1840 |
GEN_LOAD_REG_T2(rs); |
| 1841 |
break;
|
| 1842 |
default:
|
| 1843 |
MIPS_INVAL("branch/jump");
|
| 1844 |
generate_exception(ctx, EXCP_RI); |
| 1845 |
return;
|
| 1846 |
} |
| 1847 |
if (bcond == 0) { |
| 1848 |
/* No condition to be computed */
|
| 1849 |
switch (opc) {
|
| 1850 |
case OPC_BEQ: /* rx == rx */ |
| 1851 |
case OPC_BEQL: /* rx == rx likely */ |
| 1852 |
case OPC_BGEZ: /* 0 >= 0 */ |
| 1853 |
case OPC_BGEZL: /* 0 >= 0 likely */ |
| 1854 |
case OPC_BLEZ: /* 0 <= 0 */ |
| 1855 |
case OPC_BLEZL: /* 0 <= 0 likely */ |
| 1856 |
/* Always take */
|
| 1857 |
ctx->hflags |= MIPS_HFLAG_B; |
| 1858 |
MIPS_DEBUG("balways");
|
| 1859 |
break;
|
| 1860 |
case OPC_BGEZAL: /* 0 >= 0 */ |
| 1861 |
case OPC_BGEZALL: /* 0 >= 0 likely */ |
| 1862 |
/* Always take and link */
|
| 1863 |
blink = 31;
|
| 1864 |
ctx->hflags |= MIPS_HFLAG_B; |
| 1865 |
MIPS_DEBUG("balways and link");
|
| 1866 |
break;
|
| 1867 |
case OPC_BNE: /* rx != rx */ |
| 1868 |
case OPC_BGTZ: /* 0 > 0 */ |
| 1869 |
case OPC_BLTZ: /* 0 < 0 */ |
| 1870 |
/* Treat as NOP. */
|
| 1871 |
MIPS_DEBUG("bnever (NOP)");
|
| 1872 |
return;
|
| 1873 |
case OPC_BLTZAL: /* 0 < 0 */ |
| 1874 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
| 1875 |
gen_op_store_T0_gpr(31);
|
| 1876 |
MIPS_DEBUG("bnever and link");
|
| 1877 |
return;
|
| 1878 |
case OPC_BLTZALL: /* 0 < 0 likely */ |
| 1879 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
| 1880 |
gen_op_store_T0_gpr(31);
|
| 1881 |
/* Skip the instruction in the delay slot */
|
| 1882 |
MIPS_DEBUG("bnever, link and skip");
|
| 1883 |
ctx->pc += 4;
|
| 1884 |
return;
|
| 1885 |
case OPC_BNEL: /* rx != rx likely */ |
| 1886 |
case OPC_BGTZL: /* 0 > 0 likely */ |
| 1887 |
case OPC_BLTZL: /* 0 < 0 likely */ |
| 1888 |
/* Skip the instruction in the delay slot */
|
| 1889 |
MIPS_DEBUG("bnever and skip");
|
| 1890 |
ctx->pc += 4;
|
| 1891 |
return;
|
| 1892 |
case OPC_J:
|
| 1893 |
ctx->hflags |= MIPS_HFLAG_B; |
| 1894 |
MIPS_DEBUG("j " TARGET_FMT_lx, btarget);
|
| 1895 |
break;
|
| 1896 |
case OPC_JAL:
|
| 1897 |
blink = 31;
|
| 1898 |
ctx->hflags |= MIPS_HFLAG_B; |
| 1899 |
MIPS_DEBUG("jal " TARGET_FMT_lx, btarget);
|
| 1900 |
break;
|
| 1901 |
case OPC_JR:
|
| 1902 |
ctx->hflags |= MIPS_HFLAG_BR; |
| 1903 |
MIPS_DEBUG("jr %s", regnames[rs]);
|
| 1904 |
break;
|
| 1905 |
case OPC_JALR:
|
| 1906 |
blink = rt; |
| 1907 |
ctx->hflags |= MIPS_HFLAG_BR; |
| 1908 |
MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
|
| 1909 |
break;
|
| 1910 |
default:
|
| 1911 |
MIPS_INVAL("branch/jump");
|
| 1912 |
generate_exception(ctx, EXCP_RI); |
| 1913 |
return;
|
| 1914 |
} |
| 1915 |
} else {
|
| 1916 |
switch (opc) {
|
| 1917 |
case OPC_BEQ:
|
| 1918 |
gen_op_eq(); |
| 1919 |
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
|
| 1920 |
regnames[rs], regnames[rt], btarget); |
| 1921 |
goto not_likely;
|
| 1922 |
case OPC_BEQL:
|
| 1923 |
gen_op_eq(); |
| 1924 |
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
|
| 1925 |
regnames[rs], regnames[rt], btarget); |
| 1926 |
goto likely;
|
| 1927 |
case OPC_BNE:
|
| 1928 |
gen_op_ne(); |
| 1929 |
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
|
| 1930 |
regnames[rs], regnames[rt], btarget); |
| 1931 |
goto not_likely;
|
| 1932 |
case OPC_BNEL:
|
| 1933 |
gen_op_ne(); |
| 1934 |
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
|
| 1935 |
regnames[rs], regnames[rt], btarget); |
| 1936 |
goto likely;
|
| 1937 |
case OPC_BGEZ:
|
| 1938 |
gen_op_gez(); |
| 1939 |
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1940 |
goto not_likely;
|
| 1941 |
case OPC_BGEZL:
|
| 1942 |
gen_op_gez(); |
| 1943 |
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1944 |
goto likely;
|
| 1945 |
case OPC_BGEZAL:
|
| 1946 |
gen_op_gez(); |
| 1947 |
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1948 |
blink = 31;
|
| 1949 |
goto not_likely;
|
| 1950 |
case OPC_BGEZALL:
|
| 1951 |
gen_op_gez(); |
| 1952 |
blink = 31;
|
| 1953 |
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1954 |
goto likely;
|
| 1955 |
case OPC_BGTZ:
|
| 1956 |
gen_op_gtz(); |
| 1957 |
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1958 |
goto not_likely;
|
| 1959 |
case OPC_BGTZL:
|
| 1960 |
gen_op_gtz(); |
| 1961 |
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1962 |
goto likely;
|
| 1963 |
case OPC_BLEZ:
|
| 1964 |
gen_op_lez(); |
| 1965 |
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1966 |
goto not_likely;
|
| 1967 |
case OPC_BLEZL:
|
| 1968 |
gen_op_lez(); |
| 1969 |
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1970 |
goto likely;
|
| 1971 |
case OPC_BLTZ:
|
| 1972 |
gen_op_ltz(); |
| 1973 |
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1974 |
goto not_likely;
|
| 1975 |
case OPC_BLTZL:
|
| 1976 |
gen_op_ltz(); |
| 1977 |
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1978 |
goto likely;
|
| 1979 |
case OPC_BLTZAL:
|
| 1980 |
gen_op_ltz(); |
| 1981 |
blink = 31;
|
| 1982 |
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1983 |
not_likely:
|
| 1984 |
ctx->hflags |= MIPS_HFLAG_BC; |
| 1985 |
gen_op_set_bcond(); |
| 1986 |
break;
|
| 1987 |
case OPC_BLTZALL:
|
| 1988 |
gen_op_ltz(); |
| 1989 |
blink = 31;
|
| 1990 |
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btarget);
|
| 1991 |
likely:
|
| 1992 |
ctx->hflags |= MIPS_HFLAG_BL; |
| 1993 |
gen_op_set_bcond(); |
| 1994 |
gen_op_save_bcond(); |
| 1995 |
break;
|
| 1996 |
default:
|
| 1997 |
MIPS_INVAL("conditional branch/jump");
|
| 1998 |
generate_exception(ctx, EXCP_RI); |
| 1999 |
return;
|
| 2000 |
} |
| 2001 |
} |
| 2002 |
MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
|
| 2003 |
blink, ctx->hflags, btarget); |
| 2004 |
|
| 2005 |
ctx->btarget = btarget; |
| 2006 |
if (blink > 0) { |
| 2007 |
GEN_LOAD_IMM_TN(T0, ctx->pc + 8);
|
| 2008 |
gen_op_store_T0_gpr(blink); |
| 2009 |
} |
| 2010 |
} |
| 2011 |
|
| 2012 |
/* special3 bitfield operations */
|
| 2013 |
static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt, |
| 2014 |
int rs, int lsb, int msb) |
| 2015 |
{
|
| 2016 |
GEN_LOAD_REG_T1(rs); |
| 2017 |
switch (opc) {
|
| 2018 |
case OPC_EXT:
|
| 2019 |
if (lsb + msb > 31) |
| 2020 |
goto fail;
|
| 2021 |
gen_op_ext(lsb, msb + 1);
|
| 2022 |
break;
|
| 2023 |
#if defined(TARGET_MIPS64)
|
| 2024 |
case OPC_DEXTM:
|
| 2025 |
if (lsb + msb > 63) |
| 2026 |
goto fail;
|
| 2027 |
gen_op_dext(lsb, msb + 1 + 32); |
| 2028 |
break;
|
| 2029 |
case OPC_DEXTU:
|
| 2030 |
if (lsb + msb > 63) |
| 2031 |
goto fail;
|
| 2032 |
gen_op_dext(lsb + 32, msb + 1); |
| 2033 |
break;
|
| 2034 |
case OPC_DEXT:
|
| 2035 |
if (lsb + msb > 63) |
| 2036 |
goto fail;
|
| 2037 |
gen_op_dext(lsb, msb + 1);
|
| 2038 |
break;
|
| 2039 |
#endif
|
| 2040 |
case OPC_INS:
|
| 2041 |
if (lsb > msb)
|
| 2042 |
goto fail;
|
| 2043 |
GEN_LOAD_REG_T0(rt); |
| 2044 |
gen_op_ins(lsb, msb - lsb + 1);
|
| 2045 |
break;
|
| 2046 |
#if defined(TARGET_MIPS64)
|
| 2047 |
case OPC_DINSM:
|
| 2048 |
if (lsb > msb)
|
| 2049 |
goto fail;
|
| 2050 |
GEN_LOAD_REG_T0(rt); |
| 2051 |
gen_op_dins(lsb, msb - lsb + 1 + 32); |
| 2052 |
break;
|
| 2053 |
case OPC_DINSU:
|
| 2054 |
if (lsb > msb)
|
| 2055 |
goto fail;
|
| 2056 |
GEN_LOAD_REG_T0(rt); |
| 2057 |
gen_op_dins(lsb + 32, msb - lsb + 1); |
| 2058 |
break;
|
| 2059 |
case OPC_DINS:
|
| 2060 |
if (lsb > msb)
|
| 2061 |
goto fail;
|
| 2062 |
GEN_LOAD_REG_T0(rt); |
| 2063 |
gen_op_dins(lsb, msb - lsb + 1);
|
| 2064 |
break;
|
| 2065 |
#endif
|
| 2066 |
default:
|
| 2067 |
fail:
|
| 2068 |
MIPS_INVAL("bitops");
|
| 2069 |
generate_exception(ctx, EXCP_RI); |
| 2070 |
return;
|
| 2071 |
} |
| 2072 |
GEN_STORE_T0_REG(rt); |
| 2073 |
} |
| 2074 |
|
| 2075 |
/* CP0 (MMU and control) */
|
| 2076 |
static void gen_mfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
| 2077 |
{
|
| 2078 |
const char *rn = "invalid"; |
| 2079 |
|
| 2080 |
if (sel != 0) |
| 2081 |
check_insn(env, ctx, ISA_MIPS32); |
| 2082 |
|
| 2083 |
switch (reg) {
|
| 2084 |
case 0: |
| 2085 |
switch (sel) {
|
| 2086 |
case 0: |
| 2087 |
gen_op_mfc0_index(); |
| 2088 |
rn = "Index";
|
| 2089 |
break;
|
| 2090 |
case 1: |
| 2091 |
check_insn(env, ctx, ASE_MT); |
| 2092 |
gen_op_mfc0_mvpcontrol(); |
| 2093 |
rn = "MVPControl";
|
| 2094 |
break;
|
| 2095 |
case 2: |
| 2096 |
check_insn(env, ctx, ASE_MT); |
| 2097 |
gen_op_mfc0_mvpconf0(); |
| 2098 |
rn = "MVPConf0";
|
| 2099 |
break;
|
| 2100 |
case 3: |
| 2101 |
check_insn(env, ctx, ASE_MT); |
| 2102 |
gen_op_mfc0_mvpconf1(); |
| 2103 |
rn = "MVPConf1";
|
| 2104 |
break;
|
| 2105 |
default:
|
| 2106 |
goto die;
|
| 2107 |
} |
| 2108 |
break;
|
| 2109 |
case 1: |
| 2110 |
switch (sel) {
|
| 2111 |
case 0: |
| 2112 |
gen_op_mfc0_random(); |
| 2113 |
rn = "Random";
|
| 2114 |
break;
|
| 2115 |
case 1: |
| 2116 |
check_insn(env, ctx, ASE_MT); |
| 2117 |
gen_op_mfc0_vpecontrol(); |
| 2118 |
rn = "VPEControl";
|
| 2119 |
break;
|
| 2120 |
case 2: |
| 2121 |
check_insn(env, ctx, ASE_MT); |
| 2122 |
gen_op_mfc0_vpeconf0(); |
| 2123 |
rn = "VPEConf0";
|
| 2124 |
break;
|
| 2125 |
case 3: |
| 2126 |
check_insn(env, ctx, ASE_MT); |
| 2127 |
gen_op_mfc0_vpeconf1(); |
| 2128 |
rn = "VPEConf1";
|
| 2129 |
break;
|
| 2130 |
case 4: |
| 2131 |
check_insn(env, ctx, ASE_MT); |
| 2132 |
gen_op_mfc0_yqmask(); |
| 2133 |
rn = "YQMask";
|
| 2134 |
break;
|
| 2135 |
case 5: |
| 2136 |
check_insn(env, ctx, ASE_MT); |
| 2137 |
gen_op_mfc0_vpeschedule(); |
| 2138 |
rn = "VPESchedule";
|
| 2139 |
break;
|
| 2140 |
case 6: |
| 2141 |
check_insn(env, ctx, ASE_MT); |
| 2142 |
gen_op_mfc0_vpeschefback(); |
| 2143 |
rn = "VPEScheFBack";
|
| 2144 |
break;
|
| 2145 |
case 7: |
| 2146 |
check_insn(env, ctx, ASE_MT); |
| 2147 |
gen_op_mfc0_vpeopt(); |
| 2148 |
rn = "VPEOpt";
|
| 2149 |
break;
|
| 2150 |
default:
|
| 2151 |
goto die;
|
| 2152 |
} |
| 2153 |
break;
|
| 2154 |
case 2: |
| 2155 |
switch (sel) {
|
| 2156 |
case 0: |
| 2157 |
gen_op_mfc0_entrylo0(); |
| 2158 |
rn = "EntryLo0";
|
| 2159 |
break;
|
| 2160 |
case 1: |
| 2161 |
check_insn(env, ctx, ASE_MT); |
| 2162 |
gen_op_mfc0_tcstatus(); |
| 2163 |
rn = "TCStatus";
|
| 2164 |
break;
|
| 2165 |
case 2: |
| 2166 |
check_insn(env, ctx, ASE_MT); |
| 2167 |
gen_op_mfc0_tcbind(); |
| 2168 |
rn = "TCBind";
|
| 2169 |
break;
|
| 2170 |
case 3: |
| 2171 |
check_insn(env, ctx, ASE_MT); |
| 2172 |
gen_op_mfc0_tcrestart(); |
| 2173 |
rn = "TCRestart";
|
| 2174 |
break;
|
| 2175 |
case 4: |
| 2176 |
check_insn(env, ctx, ASE_MT); |
| 2177 |
gen_op_mfc0_tchalt(); |
| 2178 |
rn = "TCHalt";
|
| 2179 |
break;
|
| 2180 |
case 5: |
| 2181 |
check_insn(env, ctx, ASE_MT); |
| 2182 |
gen_op_mfc0_tccontext(); |
| 2183 |
rn = "TCContext";
|
| 2184 |
break;
|
| 2185 |
case 6: |
| 2186 |
check_insn(env, ctx, ASE_MT); |
| 2187 |
gen_op_mfc0_tcschedule(); |
| 2188 |
rn = "TCSchedule";
|
| 2189 |
break;
|
| 2190 |
case 7: |
| 2191 |
check_insn(env, ctx, ASE_MT); |
| 2192 |
gen_op_mfc0_tcschefback(); |
| 2193 |
rn = "TCScheFBack";
|
| 2194 |
break;
|
| 2195 |
default:
|
| 2196 |
goto die;
|
| 2197 |
} |
| 2198 |
break;
|
| 2199 |
case 3: |
| 2200 |
switch (sel) {
|
| 2201 |
case 0: |
| 2202 |
gen_op_mfc0_entrylo1(); |
| 2203 |
rn = "EntryLo1";
|
| 2204 |
break;
|
| 2205 |
default:
|
| 2206 |
goto die;
|
| 2207 |
} |
| 2208 |
break;
|
| 2209 |
case 4: |
| 2210 |
switch (sel) {
|
| 2211 |
case 0: |
| 2212 |
gen_op_mfc0_context(); |
| 2213 |
rn = "Context";
|
| 2214 |
break;
|
| 2215 |
case 1: |
| 2216 |
// gen_op_mfc0_contextconfig(); /* SmartMIPS ASE */
|
| 2217 |
rn = "ContextConfig";
|
| 2218 |
// break;
|
| 2219 |
default:
|
| 2220 |
goto die;
|
| 2221 |
} |
| 2222 |
break;
|
| 2223 |
case 5: |
| 2224 |
switch (sel) {
|
| 2225 |
case 0: |
| 2226 |
gen_op_mfc0_pagemask(); |
| 2227 |
rn = "PageMask";
|
| 2228 |
break;
|
| 2229 |
case 1: |
| 2230 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2231 |
gen_op_mfc0_pagegrain(); |
| 2232 |
rn = "PageGrain";
|
| 2233 |
break;
|
| 2234 |
default:
|
| 2235 |
goto die;
|
| 2236 |
} |
| 2237 |
break;
|
| 2238 |
case 6: |
| 2239 |
switch (sel) {
|
| 2240 |
case 0: |
| 2241 |
gen_op_mfc0_wired(); |
| 2242 |
rn = "Wired";
|
| 2243 |
break;
|
| 2244 |
case 1: |
| 2245 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2246 |
gen_op_mfc0_srsconf0(); |
| 2247 |
rn = "SRSConf0";
|
| 2248 |
break;
|
| 2249 |
case 2: |
| 2250 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2251 |
gen_op_mfc0_srsconf1(); |
| 2252 |
rn = "SRSConf1";
|
| 2253 |
break;
|
| 2254 |
case 3: |
| 2255 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2256 |
gen_op_mfc0_srsconf2(); |
| 2257 |
rn = "SRSConf2";
|
| 2258 |
break;
|
| 2259 |
case 4: |
| 2260 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2261 |
gen_op_mfc0_srsconf3(); |
| 2262 |
rn = "SRSConf3";
|
| 2263 |
break;
|
| 2264 |
case 5: |
| 2265 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2266 |
gen_op_mfc0_srsconf4(); |
| 2267 |
rn = "SRSConf4";
|
| 2268 |
break;
|
| 2269 |
default:
|
| 2270 |
goto die;
|
| 2271 |
} |
| 2272 |
break;
|
| 2273 |
case 7: |
| 2274 |
switch (sel) {
|
| 2275 |
case 0: |
| 2276 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2277 |
gen_op_mfc0_hwrena(); |
| 2278 |
rn = "HWREna";
|
| 2279 |
break;
|
| 2280 |
default:
|
| 2281 |
goto die;
|
| 2282 |
} |
| 2283 |
break;
|
| 2284 |
case 8: |
| 2285 |
switch (sel) {
|
| 2286 |
case 0: |
| 2287 |
gen_op_mfc0_badvaddr(); |
| 2288 |
rn = "BadVaddr";
|
| 2289 |
break;
|
| 2290 |
default:
|
| 2291 |
goto die;
|
| 2292 |
} |
| 2293 |
break;
|
| 2294 |
case 9: |
| 2295 |
switch (sel) {
|
| 2296 |
case 0: |
| 2297 |
gen_op_mfc0_count(); |
| 2298 |
rn = "Count";
|
| 2299 |
break;
|
| 2300 |
/* 6,7 are implementation dependent */
|
| 2301 |
default:
|
| 2302 |
goto die;
|
| 2303 |
} |
| 2304 |
break;
|
| 2305 |
case 10: |
| 2306 |
switch (sel) {
|
| 2307 |
case 0: |
| 2308 |
gen_op_mfc0_entryhi(); |
| 2309 |
rn = "EntryHi";
|
| 2310 |
break;
|
| 2311 |
default:
|
| 2312 |
goto die;
|
| 2313 |
} |
| 2314 |
break;
|
| 2315 |
case 11: |
| 2316 |
switch (sel) {
|
| 2317 |
case 0: |
| 2318 |
gen_op_mfc0_compare(); |
| 2319 |
rn = "Compare";
|
| 2320 |
break;
|
| 2321 |
/* 6,7 are implementation dependent */
|
| 2322 |
default:
|
| 2323 |
goto die;
|
| 2324 |
} |
| 2325 |
break;
|
| 2326 |
case 12: |
| 2327 |
switch (sel) {
|
| 2328 |
case 0: |
| 2329 |
gen_op_mfc0_status(); |
| 2330 |
rn = "Status";
|
| 2331 |
break;
|
| 2332 |
case 1: |
| 2333 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2334 |
gen_op_mfc0_intctl(); |
| 2335 |
rn = "IntCtl";
|
| 2336 |
break;
|
| 2337 |
case 2: |
| 2338 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2339 |
gen_op_mfc0_srsctl(); |
| 2340 |
rn = "SRSCtl";
|
| 2341 |
break;
|
| 2342 |
case 3: |
| 2343 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2344 |
gen_op_mfc0_srsmap(); |
| 2345 |
rn = "SRSMap";
|
| 2346 |
break;
|
| 2347 |
default:
|
| 2348 |
goto die;
|
| 2349 |
} |
| 2350 |
break;
|
| 2351 |
case 13: |
| 2352 |
switch (sel) {
|
| 2353 |
case 0: |
| 2354 |
gen_op_mfc0_cause(); |
| 2355 |
rn = "Cause";
|
| 2356 |
break;
|
| 2357 |
default:
|
| 2358 |
goto die;
|
| 2359 |
} |
| 2360 |
break;
|
| 2361 |
case 14: |
| 2362 |
switch (sel) {
|
| 2363 |
case 0: |
| 2364 |
gen_op_mfc0_epc(); |
| 2365 |
rn = "EPC";
|
| 2366 |
break;
|
| 2367 |
default:
|
| 2368 |
goto die;
|
| 2369 |
} |
| 2370 |
break;
|
| 2371 |
case 15: |
| 2372 |
switch (sel) {
|
| 2373 |
case 0: |
| 2374 |
gen_op_mfc0_prid(); |
| 2375 |
rn = "PRid";
|
| 2376 |
break;
|
| 2377 |
case 1: |
| 2378 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2379 |
gen_op_mfc0_ebase(); |
| 2380 |
rn = "EBase";
|
| 2381 |
break;
|
| 2382 |
default:
|
| 2383 |
goto die;
|
| 2384 |
} |
| 2385 |
break;
|
| 2386 |
case 16: |
| 2387 |
switch (sel) {
|
| 2388 |
case 0: |
| 2389 |
gen_op_mfc0_config0(); |
| 2390 |
rn = "Config";
|
| 2391 |
break;
|
| 2392 |
case 1: |
| 2393 |
gen_op_mfc0_config1(); |
| 2394 |
rn = "Config1";
|
| 2395 |
break;
|
| 2396 |
case 2: |
| 2397 |
gen_op_mfc0_config2(); |
| 2398 |
rn = "Config2";
|
| 2399 |
break;
|
| 2400 |
case 3: |
| 2401 |
gen_op_mfc0_config3(); |
| 2402 |
rn = "Config3";
|
| 2403 |
break;
|
| 2404 |
/* 4,5 are reserved */
|
| 2405 |
/* 6,7 are implementation dependent */
|
| 2406 |
case 6: |
| 2407 |
gen_op_mfc0_config6(); |
| 2408 |
rn = "Config6";
|
| 2409 |
break;
|
| 2410 |
case 7: |
| 2411 |
gen_op_mfc0_config7(); |
| 2412 |
rn = "Config7";
|
| 2413 |
break;
|
| 2414 |
default:
|
| 2415 |
goto die;
|
| 2416 |
} |
| 2417 |
break;
|
| 2418 |
case 17: |
| 2419 |
switch (sel) {
|
| 2420 |
case 0: |
| 2421 |
gen_op_mfc0_lladdr(); |
| 2422 |
rn = "LLAddr";
|
| 2423 |
break;
|
| 2424 |
default:
|
| 2425 |
goto die;
|
| 2426 |
} |
| 2427 |
break;
|
| 2428 |
case 18: |
| 2429 |
switch (sel) {
|
| 2430 |
case 0 ... 7: |
| 2431 |
gen_op_mfc0_watchlo(sel); |
| 2432 |
rn = "WatchLo";
|
| 2433 |
break;
|
| 2434 |
default:
|
| 2435 |
goto die;
|
| 2436 |
} |
| 2437 |
break;
|
| 2438 |
case 19: |
| 2439 |
switch (sel) {
|
| 2440 |
case 0 ...7: |
| 2441 |
gen_op_mfc0_watchhi(sel); |
| 2442 |
rn = "WatchHi";
|
| 2443 |
break;
|
| 2444 |
default:
|
| 2445 |
goto die;
|
| 2446 |
} |
| 2447 |
break;
|
| 2448 |
case 20: |
| 2449 |
switch (sel) {
|
| 2450 |
case 0: |
| 2451 |
#if defined(TARGET_MIPS64)
|
| 2452 |
check_insn(env, ctx, ISA_MIPS3); |
| 2453 |
gen_op_mfc0_xcontext(); |
| 2454 |
rn = "XContext";
|
| 2455 |
break;
|
| 2456 |
#endif
|
| 2457 |
default:
|
| 2458 |
goto die;
|
| 2459 |
} |
| 2460 |
break;
|
| 2461 |
case 21: |
| 2462 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 2463 |
switch (sel) {
|
| 2464 |
case 0: |
| 2465 |
gen_op_mfc0_framemask(); |
| 2466 |
rn = "Framemask";
|
| 2467 |
break;
|
| 2468 |
default:
|
| 2469 |
goto die;
|
| 2470 |
} |
| 2471 |
break;
|
| 2472 |
case 22: |
| 2473 |
/* ignored */
|
| 2474 |
rn = "'Diagnostic"; /* implementation dependent */ |
| 2475 |
break;
|
| 2476 |
case 23: |
| 2477 |
switch (sel) {
|
| 2478 |
case 0: |
| 2479 |
gen_op_mfc0_debug(); /* EJTAG support */
|
| 2480 |
rn = "Debug";
|
| 2481 |
break;
|
| 2482 |
case 1: |
| 2483 |
// gen_op_mfc0_tracecontrol(); /* PDtrace support */
|
| 2484 |
rn = "TraceControl";
|
| 2485 |
// break;
|
| 2486 |
case 2: |
| 2487 |
// gen_op_mfc0_tracecontrol2(); /* PDtrace support */
|
| 2488 |
rn = "TraceControl2";
|
| 2489 |
// break;
|
| 2490 |
case 3: |
| 2491 |
// gen_op_mfc0_usertracedata(); /* PDtrace support */
|
| 2492 |
rn = "UserTraceData";
|
| 2493 |
// break;
|
| 2494 |
case 4: |
| 2495 |
// gen_op_mfc0_debug(); /* PDtrace support */
|
| 2496 |
rn = "TraceBPC";
|
| 2497 |
// break;
|
| 2498 |
default:
|
| 2499 |
goto die;
|
| 2500 |
} |
| 2501 |
break;
|
| 2502 |
case 24: |
| 2503 |
switch (sel) {
|
| 2504 |
case 0: |
| 2505 |
gen_op_mfc0_depc(); /* EJTAG support */
|
| 2506 |
rn = "DEPC";
|
| 2507 |
break;
|
| 2508 |
default:
|
| 2509 |
goto die;
|
| 2510 |
} |
| 2511 |
break;
|
| 2512 |
case 25: |
| 2513 |
switch (sel) {
|
| 2514 |
case 0: |
| 2515 |
gen_op_mfc0_performance0(); |
| 2516 |
rn = "Performance0";
|
| 2517 |
break;
|
| 2518 |
case 1: |
| 2519 |
// gen_op_mfc0_performance1();
|
| 2520 |
rn = "Performance1";
|
| 2521 |
// break;
|
| 2522 |
case 2: |
| 2523 |
// gen_op_mfc0_performance2();
|
| 2524 |
rn = "Performance2";
|
| 2525 |
// break;
|
| 2526 |
case 3: |
| 2527 |
// gen_op_mfc0_performance3();
|
| 2528 |
rn = "Performance3";
|
| 2529 |
// break;
|
| 2530 |
case 4: |
| 2531 |
// gen_op_mfc0_performance4();
|
| 2532 |
rn = "Performance4";
|
| 2533 |
// break;
|
| 2534 |
case 5: |
| 2535 |
// gen_op_mfc0_performance5();
|
| 2536 |
rn = "Performance5";
|
| 2537 |
// break;
|
| 2538 |
case 6: |
| 2539 |
// gen_op_mfc0_performance6();
|
| 2540 |
rn = "Performance6";
|
| 2541 |
// break;
|
| 2542 |
case 7: |
| 2543 |
// gen_op_mfc0_performance7();
|
| 2544 |
rn = "Performance7";
|
| 2545 |
// break;
|
| 2546 |
default:
|
| 2547 |
goto die;
|
| 2548 |
} |
| 2549 |
break;
|
| 2550 |
case 26: |
| 2551 |
rn = "ECC";
|
| 2552 |
break;
|
| 2553 |
case 27: |
| 2554 |
switch (sel) {
|
| 2555 |
/* ignored */
|
| 2556 |
case 0 ... 3: |
| 2557 |
rn = "CacheErr";
|
| 2558 |
break;
|
| 2559 |
default:
|
| 2560 |
goto die;
|
| 2561 |
} |
| 2562 |
break;
|
| 2563 |
case 28: |
| 2564 |
switch (sel) {
|
| 2565 |
case 0: |
| 2566 |
case 2: |
| 2567 |
case 4: |
| 2568 |
case 6: |
| 2569 |
gen_op_mfc0_taglo(); |
| 2570 |
rn = "TagLo";
|
| 2571 |
break;
|
| 2572 |
case 1: |
| 2573 |
case 3: |
| 2574 |
case 5: |
| 2575 |
case 7: |
| 2576 |
gen_op_mfc0_datalo(); |
| 2577 |
rn = "DataLo";
|
| 2578 |
break;
|
| 2579 |
default:
|
| 2580 |
goto die;
|
| 2581 |
} |
| 2582 |
break;
|
| 2583 |
case 29: |
| 2584 |
switch (sel) {
|
| 2585 |
case 0: |
| 2586 |
case 2: |
| 2587 |
case 4: |
| 2588 |
case 6: |
| 2589 |
gen_op_mfc0_taghi(); |
| 2590 |
rn = "TagHi";
|
| 2591 |
break;
|
| 2592 |
case 1: |
| 2593 |
case 3: |
| 2594 |
case 5: |
| 2595 |
case 7: |
| 2596 |
gen_op_mfc0_datahi(); |
| 2597 |
rn = "DataHi";
|
| 2598 |
break;
|
| 2599 |
default:
|
| 2600 |
goto die;
|
| 2601 |
} |
| 2602 |
break;
|
| 2603 |
case 30: |
| 2604 |
switch (sel) {
|
| 2605 |
case 0: |
| 2606 |
gen_op_mfc0_errorepc(); |
| 2607 |
rn = "ErrorEPC";
|
| 2608 |
break;
|
| 2609 |
default:
|
| 2610 |
goto die;
|
| 2611 |
} |
| 2612 |
break;
|
| 2613 |
case 31: |
| 2614 |
switch (sel) {
|
| 2615 |
case 0: |
| 2616 |
gen_op_mfc0_desave(); /* EJTAG support */
|
| 2617 |
rn = "DESAVE";
|
| 2618 |
break;
|
| 2619 |
default:
|
| 2620 |
goto die;
|
| 2621 |
} |
| 2622 |
break;
|
| 2623 |
default:
|
| 2624 |
goto die;
|
| 2625 |
} |
| 2626 |
#if defined MIPS_DEBUG_DISAS
|
| 2627 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 2628 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
| 2629 |
rn, reg, sel); |
| 2630 |
} |
| 2631 |
#endif
|
| 2632 |
return;
|
| 2633 |
|
| 2634 |
die:
|
| 2635 |
#if defined MIPS_DEBUG_DISAS
|
| 2636 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 2637 |
fprintf(logfile, "mfc0 %s (reg %d sel %d)\n",
|
| 2638 |
rn, reg, sel); |
| 2639 |
} |
| 2640 |
#endif
|
| 2641 |
generate_exception(ctx, EXCP_RI); |
| 2642 |
} |
| 2643 |
|
| 2644 |
static void gen_mtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
| 2645 |
{
|
| 2646 |
const char *rn = "invalid"; |
| 2647 |
|
| 2648 |
if (sel != 0) |
| 2649 |
check_insn(env, ctx, ISA_MIPS32); |
| 2650 |
|
| 2651 |
switch (reg) {
|
| 2652 |
case 0: |
| 2653 |
switch (sel) {
|
| 2654 |
case 0: |
| 2655 |
gen_op_mtc0_index(); |
| 2656 |
rn = "Index";
|
| 2657 |
break;
|
| 2658 |
case 1: |
| 2659 |
check_insn(env, ctx, ASE_MT); |
| 2660 |
gen_op_mtc0_mvpcontrol(); |
| 2661 |
rn = "MVPControl";
|
| 2662 |
break;
|
| 2663 |
case 2: |
| 2664 |
check_insn(env, ctx, ASE_MT); |
| 2665 |
/* ignored */
|
| 2666 |
rn = "MVPConf0";
|
| 2667 |
break;
|
| 2668 |
case 3: |
| 2669 |
check_insn(env, ctx, ASE_MT); |
| 2670 |
/* ignored */
|
| 2671 |
rn = "MVPConf1";
|
| 2672 |
break;
|
| 2673 |
default:
|
| 2674 |
goto die;
|
| 2675 |
} |
| 2676 |
break;
|
| 2677 |
case 1: |
| 2678 |
switch (sel) {
|
| 2679 |
case 0: |
| 2680 |
/* ignored */
|
| 2681 |
rn = "Random";
|
| 2682 |
break;
|
| 2683 |
case 1: |
| 2684 |
check_insn(env, ctx, ASE_MT); |
| 2685 |
gen_op_mtc0_vpecontrol(); |
| 2686 |
rn = "VPEControl";
|
| 2687 |
break;
|
| 2688 |
case 2: |
| 2689 |
check_insn(env, ctx, ASE_MT); |
| 2690 |
gen_op_mtc0_vpeconf0(); |
| 2691 |
rn = "VPEConf0";
|
| 2692 |
break;
|
| 2693 |
case 3: |
| 2694 |
check_insn(env, ctx, ASE_MT); |
| 2695 |
gen_op_mtc0_vpeconf1(); |
| 2696 |
rn = "VPEConf1";
|
| 2697 |
break;
|
| 2698 |
case 4: |
| 2699 |
check_insn(env, ctx, ASE_MT); |
| 2700 |
gen_op_mtc0_yqmask(); |
| 2701 |
rn = "YQMask";
|
| 2702 |
break;
|
| 2703 |
case 5: |
| 2704 |
check_insn(env, ctx, ASE_MT); |
| 2705 |
gen_op_mtc0_vpeschedule(); |
| 2706 |
rn = "VPESchedule";
|
| 2707 |
break;
|
| 2708 |
case 6: |
| 2709 |
check_insn(env, ctx, ASE_MT); |
| 2710 |
gen_op_mtc0_vpeschefback(); |
| 2711 |
rn = "VPEScheFBack";
|
| 2712 |
break;
|
| 2713 |
case 7: |
| 2714 |
check_insn(env, ctx, ASE_MT); |
| 2715 |
gen_op_mtc0_vpeopt(); |
| 2716 |
rn = "VPEOpt";
|
| 2717 |
break;
|
| 2718 |
default:
|
| 2719 |
goto die;
|
| 2720 |
} |
| 2721 |
break;
|
| 2722 |
case 2: |
| 2723 |
switch (sel) {
|
| 2724 |
case 0: |
| 2725 |
gen_op_mtc0_entrylo0(); |
| 2726 |
rn = "EntryLo0";
|
| 2727 |
break;
|
| 2728 |
case 1: |
| 2729 |
check_insn(env, ctx, ASE_MT); |
| 2730 |
gen_op_mtc0_tcstatus(); |
| 2731 |
rn = "TCStatus";
|
| 2732 |
break;
|
| 2733 |
case 2: |
| 2734 |
check_insn(env, ctx, ASE_MT); |
| 2735 |
gen_op_mtc0_tcbind(); |
| 2736 |
rn = "TCBind";
|
| 2737 |
break;
|
| 2738 |
case 3: |
| 2739 |
check_insn(env, ctx, ASE_MT); |
| 2740 |
gen_op_mtc0_tcrestart(); |
| 2741 |
rn = "TCRestart";
|
| 2742 |
break;
|
| 2743 |
case 4: |
| 2744 |
check_insn(env, ctx, ASE_MT); |
| 2745 |
gen_op_mtc0_tchalt(); |
| 2746 |
rn = "TCHalt";
|
| 2747 |
break;
|
| 2748 |
case 5: |
| 2749 |
check_insn(env, ctx, ASE_MT); |
| 2750 |
gen_op_mtc0_tccontext(); |
| 2751 |
rn = "TCContext";
|
| 2752 |
break;
|
| 2753 |
case 6: |
| 2754 |
check_insn(env, ctx, ASE_MT); |
| 2755 |
gen_op_mtc0_tcschedule(); |
| 2756 |
rn = "TCSchedule";
|
| 2757 |
break;
|
| 2758 |
case 7: |
| 2759 |
check_insn(env, ctx, ASE_MT); |
| 2760 |
gen_op_mtc0_tcschefback(); |
| 2761 |
rn = "TCScheFBack";
|
| 2762 |
break;
|
| 2763 |
default:
|
| 2764 |
goto die;
|
| 2765 |
} |
| 2766 |
break;
|
| 2767 |
case 3: |
| 2768 |
switch (sel) {
|
| 2769 |
case 0: |
| 2770 |
gen_op_mtc0_entrylo1(); |
| 2771 |
rn = "EntryLo1";
|
| 2772 |
break;
|
| 2773 |
default:
|
| 2774 |
goto die;
|
| 2775 |
} |
| 2776 |
break;
|
| 2777 |
case 4: |
| 2778 |
switch (sel) {
|
| 2779 |
case 0: |
| 2780 |
gen_op_mtc0_context(); |
| 2781 |
rn = "Context";
|
| 2782 |
break;
|
| 2783 |
case 1: |
| 2784 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
| 2785 |
rn = "ContextConfig";
|
| 2786 |
// break;
|
| 2787 |
default:
|
| 2788 |
goto die;
|
| 2789 |
} |
| 2790 |
break;
|
| 2791 |
case 5: |
| 2792 |
switch (sel) {
|
| 2793 |
case 0: |
| 2794 |
gen_op_mtc0_pagemask(); |
| 2795 |
rn = "PageMask";
|
| 2796 |
break;
|
| 2797 |
case 1: |
| 2798 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2799 |
gen_op_mtc0_pagegrain(); |
| 2800 |
rn = "PageGrain";
|
| 2801 |
break;
|
| 2802 |
default:
|
| 2803 |
goto die;
|
| 2804 |
} |
| 2805 |
break;
|
| 2806 |
case 6: |
| 2807 |
switch (sel) {
|
| 2808 |
case 0: |
| 2809 |
gen_op_mtc0_wired(); |
| 2810 |
rn = "Wired";
|
| 2811 |
break;
|
| 2812 |
case 1: |
| 2813 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2814 |
gen_op_mtc0_srsconf0(); |
| 2815 |
rn = "SRSConf0";
|
| 2816 |
break;
|
| 2817 |
case 2: |
| 2818 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2819 |
gen_op_mtc0_srsconf1(); |
| 2820 |
rn = "SRSConf1";
|
| 2821 |
break;
|
| 2822 |
case 3: |
| 2823 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2824 |
gen_op_mtc0_srsconf2(); |
| 2825 |
rn = "SRSConf2";
|
| 2826 |
break;
|
| 2827 |
case 4: |
| 2828 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2829 |
gen_op_mtc0_srsconf3(); |
| 2830 |
rn = "SRSConf3";
|
| 2831 |
break;
|
| 2832 |
case 5: |
| 2833 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2834 |
gen_op_mtc0_srsconf4(); |
| 2835 |
rn = "SRSConf4";
|
| 2836 |
break;
|
| 2837 |
default:
|
| 2838 |
goto die;
|
| 2839 |
} |
| 2840 |
break;
|
| 2841 |
case 7: |
| 2842 |
switch (sel) {
|
| 2843 |
case 0: |
| 2844 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2845 |
gen_op_mtc0_hwrena(); |
| 2846 |
rn = "HWREna";
|
| 2847 |
break;
|
| 2848 |
default:
|
| 2849 |
goto die;
|
| 2850 |
} |
| 2851 |
break;
|
| 2852 |
case 8: |
| 2853 |
/* ignored */
|
| 2854 |
rn = "BadVaddr";
|
| 2855 |
break;
|
| 2856 |
case 9: |
| 2857 |
switch (sel) {
|
| 2858 |
case 0: |
| 2859 |
gen_op_mtc0_count(); |
| 2860 |
rn = "Count";
|
| 2861 |
break;
|
| 2862 |
/* 6,7 are implementation dependent */
|
| 2863 |
default:
|
| 2864 |
goto die;
|
| 2865 |
} |
| 2866 |
/* Stop translation as we may have switched the execution mode */
|
| 2867 |
ctx->bstate = BS_STOP; |
| 2868 |
break;
|
| 2869 |
case 10: |
| 2870 |
switch (sel) {
|
| 2871 |
case 0: |
| 2872 |
gen_op_mtc0_entryhi(); |
| 2873 |
rn = "EntryHi";
|
| 2874 |
break;
|
| 2875 |
default:
|
| 2876 |
goto die;
|
| 2877 |
} |
| 2878 |
break;
|
| 2879 |
case 11: |
| 2880 |
switch (sel) {
|
| 2881 |
case 0: |
| 2882 |
gen_op_mtc0_compare(); |
| 2883 |
rn = "Compare";
|
| 2884 |
break;
|
| 2885 |
/* 6,7 are implementation dependent */
|
| 2886 |
default:
|
| 2887 |
goto die;
|
| 2888 |
} |
| 2889 |
/* Stop translation as we may have switched the execution mode */
|
| 2890 |
ctx->bstate = BS_STOP; |
| 2891 |
break;
|
| 2892 |
case 12: |
| 2893 |
switch (sel) {
|
| 2894 |
case 0: |
| 2895 |
gen_op_mtc0_status(); |
| 2896 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 2897 |
gen_save_pc(ctx->pc + 4);
|
| 2898 |
ctx->bstate = BS_EXCP; |
| 2899 |
rn = "Status";
|
| 2900 |
break;
|
| 2901 |
case 1: |
| 2902 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2903 |
gen_op_mtc0_intctl(); |
| 2904 |
/* Stop translation as we may have switched the execution mode */
|
| 2905 |
ctx->bstate = BS_STOP; |
| 2906 |
rn = "IntCtl";
|
| 2907 |
break;
|
| 2908 |
case 2: |
| 2909 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2910 |
gen_op_mtc0_srsctl(); |
| 2911 |
/* Stop translation as we may have switched the execution mode */
|
| 2912 |
ctx->bstate = BS_STOP; |
| 2913 |
rn = "SRSCtl";
|
| 2914 |
break;
|
| 2915 |
case 3: |
| 2916 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2917 |
gen_op_mtc0_srsmap(); |
| 2918 |
/* Stop translation as we may have switched the execution mode */
|
| 2919 |
ctx->bstate = BS_STOP; |
| 2920 |
rn = "SRSMap";
|
| 2921 |
break;
|
| 2922 |
default:
|
| 2923 |
goto die;
|
| 2924 |
} |
| 2925 |
break;
|
| 2926 |
case 13: |
| 2927 |
switch (sel) {
|
| 2928 |
case 0: |
| 2929 |
gen_op_mtc0_cause(); |
| 2930 |
rn = "Cause";
|
| 2931 |
break;
|
| 2932 |
default:
|
| 2933 |
goto die;
|
| 2934 |
} |
| 2935 |
/* Stop translation as we may have switched the execution mode */
|
| 2936 |
ctx->bstate = BS_STOP; |
| 2937 |
break;
|
| 2938 |
case 14: |
| 2939 |
switch (sel) {
|
| 2940 |
case 0: |
| 2941 |
gen_op_mtc0_epc(); |
| 2942 |
rn = "EPC";
|
| 2943 |
break;
|
| 2944 |
default:
|
| 2945 |
goto die;
|
| 2946 |
} |
| 2947 |
break;
|
| 2948 |
case 15: |
| 2949 |
switch (sel) {
|
| 2950 |
case 0: |
| 2951 |
/* ignored */
|
| 2952 |
rn = "PRid";
|
| 2953 |
break;
|
| 2954 |
case 1: |
| 2955 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 2956 |
gen_op_mtc0_ebase(); |
| 2957 |
rn = "EBase";
|
| 2958 |
break;
|
| 2959 |
default:
|
| 2960 |
goto die;
|
| 2961 |
} |
| 2962 |
break;
|
| 2963 |
case 16: |
| 2964 |
switch (sel) {
|
| 2965 |
case 0: |
| 2966 |
gen_op_mtc0_config0(); |
| 2967 |
rn = "Config";
|
| 2968 |
/* Stop translation as we may have switched the execution mode */
|
| 2969 |
ctx->bstate = BS_STOP; |
| 2970 |
break;
|
| 2971 |
case 1: |
| 2972 |
/* ignored, read only */
|
| 2973 |
rn = "Config1";
|
| 2974 |
break;
|
| 2975 |
case 2: |
| 2976 |
gen_op_mtc0_config2(); |
| 2977 |
rn = "Config2";
|
| 2978 |
/* Stop translation as we may have switched the execution mode */
|
| 2979 |
ctx->bstate = BS_STOP; |
| 2980 |
break;
|
| 2981 |
case 3: |
| 2982 |
/* ignored, read only */
|
| 2983 |
rn = "Config3";
|
| 2984 |
break;
|
| 2985 |
/* 4,5 are reserved */
|
| 2986 |
/* 6,7 are implementation dependent */
|
| 2987 |
case 6: |
| 2988 |
/* ignored */
|
| 2989 |
rn = "Config6";
|
| 2990 |
break;
|
| 2991 |
case 7: |
| 2992 |
/* ignored */
|
| 2993 |
rn = "Config7";
|
| 2994 |
break;
|
| 2995 |
default:
|
| 2996 |
rn = "Invalid config selector";
|
| 2997 |
goto die;
|
| 2998 |
} |
| 2999 |
break;
|
| 3000 |
case 17: |
| 3001 |
switch (sel) {
|
| 3002 |
case 0: |
| 3003 |
/* ignored */
|
| 3004 |
rn = "LLAddr";
|
| 3005 |
break;
|
| 3006 |
default:
|
| 3007 |
goto die;
|
| 3008 |
} |
| 3009 |
break;
|
| 3010 |
case 18: |
| 3011 |
switch (sel) {
|
| 3012 |
case 0 ... 7: |
| 3013 |
gen_op_mtc0_watchlo(sel); |
| 3014 |
rn = "WatchLo";
|
| 3015 |
break;
|
| 3016 |
default:
|
| 3017 |
goto die;
|
| 3018 |
} |
| 3019 |
break;
|
| 3020 |
case 19: |
| 3021 |
switch (sel) {
|
| 3022 |
case 0 ... 7: |
| 3023 |
gen_op_mtc0_watchhi(sel); |
| 3024 |
rn = "WatchHi";
|
| 3025 |
break;
|
| 3026 |
default:
|
| 3027 |
goto die;
|
| 3028 |
} |
| 3029 |
break;
|
| 3030 |
case 20: |
| 3031 |
switch (sel) {
|
| 3032 |
case 0: |
| 3033 |
#if defined(TARGET_MIPS64)
|
| 3034 |
check_insn(env, ctx, ISA_MIPS3); |
| 3035 |
gen_op_mtc0_xcontext(); |
| 3036 |
rn = "XContext";
|
| 3037 |
break;
|
| 3038 |
#endif
|
| 3039 |
default:
|
| 3040 |
goto die;
|
| 3041 |
} |
| 3042 |
break;
|
| 3043 |
case 21: |
| 3044 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 3045 |
switch (sel) {
|
| 3046 |
case 0: |
| 3047 |
gen_op_mtc0_framemask(); |
| 3048 |
rn = "Framemask";
|
| 3049 |
break;
|
| 3050 |
default:
|
| 3051 |
goto die;
|
| 3052 |
} |
| 3053 |
break;
|
| 3054 |
case 22: |
| 3055 |
/* ignored */
|
| 3056 |
rn = "Diagnostic"; /* implementation dependent */ |
| 3057 |
break;
|
| 3058 |
case 23: |
| 3059 |
switch (sel) {
|
| 3060 |
case 0: |
| 3061 |
gen_op_mtc0_debug(); /* EJTAG support */
|
| 3062 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 3063 |
gen_save_pc(ctx->pc + 4);
|
| 3064 |
ctx->bstate = BS_EXCP; |
| 3065 |
rn = "Debug";
|
| 3066 |
break;
|
| 3067 |
case 1: |
| 3068 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
| 3069 |
rn = "TraceControl";
|
| 3070 |
/* Stop translation as we may have switched the execution mode */
|
| 3071 |
ctx->bstate = BS_STOP; |
| 3072 |
// break;
|
| 3073 |
case 2: |
| 3074 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
| 3075 |
rn = "TraceControl2";
|
| 3076 |
/* Stop translation as we may have switched the execution mode */
|
| 3077 |
ctx->bstate = BS_STOP; |
| 3078 |
// break;
|
| 3079 |
case 3: |
| 3080 |
/* Stop translation as we may have switched the execution mode */
|
| 3081 |
ctx->bstate = BS_STOP; |
| 3082 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
| 3083 |
rn = "UserTraceData";
|
| 3084 |
/* Stop translation as we may have switched the execution mode */
|
| 3085 |
ctx->bstate = BS_STOP; |
| 3086 |
// break;
|
| 3087 |
case 4: |
| 3088 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
| 3089 |
/* Stop translation as we may have switched the execution mode */
|
| 3090 |
ctx->bstate = BS_STOP; |
| 3091 |
rn = "TraceBPC";
|
| 3092 |
// break;
|
| 3093 |
default:
|
| 3094 |
goto die;
|
| 3095 |
} |
| 3096 |
break;
|
| 3097 |
case 24: |
| 3098 |
switch (sel) {
|
| 3099 |
case 0: |
| 3100 |
gen_op_mtc0_depc(); /* EJTAG support */
|
| 3101 |
rn = "DEPC";
|
| 3102 |
break;
|
| 3103 |
default:
|
| 3104 |
goto die;
|
| 3105 |
} |
| 3106 |
break;
|
| 3107 |
case 25: |
| 3108 |
switch (sel) {
|
| 3109 |
case 0: |
| 3110 |
gen_op_mtc0_performance0(); |
| 3111 |
rn = "Performance0";
|
| 3112 |
break;
|
| 3113 |
case 1: |
| 3114 |
// gen_op_mtc0_performance1();
|
| 3115 |
rn = "Performance1";
|
| 3116 |
// break;
|
| 3117 |
case 2: |
| 3118 |
// gen_op_mtc0_performance2();
|
| 3119 |
rn = "Performance2";
|
| 3120 |
// break;
|
| 3121 |
case 3: |
| 3122 |
// gen_op_mtc0_performance3();
|
| 3123 |
rn = "Performance3";
|
| 3124 |
// break;
|
| 3125 |
case 4: |
| 3126 |
// gen_op_mtc0_performance4();
|
| 3127 |
rn = "Performance4";
|
| 3128 |
// break;
|
| 3129 |
case 5: |
| 3130 |
// gen_op_mtc0_performance5();
|
| 3131 |
rn = "Performance5";
|
| 3132 |
// break;
|
| 3133 |
case 6: |
| 3134 |
// gen_op_mtc0_performance6();
|
| 3135 |
rn = "Performance6";
|
| 3136 |
// break;
|
| 3137 |
case 7: |
| 3138 |
// gen_op_mtc0_performance7();
|
| 3139 |
rn = "Performance7";
|
| 3140 |
// break;
|
| 3141 |
default:
|
| 3142 |
goto die;
|
| 3143 |
} |
| 3144 |
break;
|
| 3145 |
case 26: |
| 3146 |
/* ignored */
|
| 3147 |
rn = "ECC";
|
| 3148 |
break;
|
| 3149 |
case 27: |
| 3150 |
switch (sel) {
|
| 3151 |
case 0 ... 3: |
| 3152 |
/* ignored */
|
| 3153 |
rn = "CacheErr";
|
| 3154 |
break;
|
| 3155 |
default:
|
| 3156 |
goto die;
|
| 3157 |
} |
| 3158 |
break;
|
| 3159 |
case 28: |
| 3160 |
switch (sel) {
|
| 3161 |
case 0: |
| 3162 |
case 2: |
| 3163 |
case 4: |
| 3164 |
case 6: |
| 3165 |
gen_op_mtc0_taglo(); |
| 3166 |
rn = "TagLo";
|
| 3167 |
break;
|
| 3168 |
case 1: |
| 3169 |
case 3: |
| 3170 |
case 5: |
| 3171 |
case 7: |
| 3172 |
gen_op_mtc0_datalo(); |
| 3173 |
rn = "DataLo";
|
| 3174 |
break;
|
| 3175 |
default:
|
| 3176 |
goto die;
|
| 3177 |
} |
| 3178 |
break;
|
| 3179 |
case 29: |
| 3180 |
switch (sel) {
|
| 3181 |
case 0: |
| 3182 |
case 2: |
| 3183 |
case 4: |
| 3184 |
case 6: |
| 3185 |
gen_op_mtc0_taghi(); |
| 3186 |
rn = "TagHi";
|
| 3187 |
break;
|
| 3188 |
case 1: |
| 3189 |
case 3: |
| 3190 |
case 5: |
| 3191 |
case 7: |
| 3192 |
gen_op_mtc0_datahi(); |
| 3193 |
rn = "DataHi";
|
| 3194 |
break;
|
| 3195 |
default:
|
| 3196 |
rn = "invalid sel";
|
| 3197 |
goto die;
|
| 3198 |
} |
| 3199 |
break;
|
| 3200 |
case 30: |
| 3201 |
switch (sel) {
|
| 3202 |
case 0: |
| 3203 |
gen_op_mtc0_errorepc(); |
| 3204 |
rn = "ErrorEPC";
|
| 3205 |
break;
|
| 3206 |
default:
|
| 3207 |
goto die;
|
| 3208 |
} |
| 3209 |
break;
|
| 3210 |
case 31: |
| 3211 |
switch (sel) {
|
| 3212 |
case 0: |
| 3213 |
gen_op_mtc0_desave(); /* EJTAG support */
|
| 3214 |
rn = "DESAVE";
|
| 3215 |
break;
|
| 3216 |
default:
|
| 3217 |
goto die;
|
| 3218 |
} |
| 3219 |
/* Stop translation as we may have switched the execution mode */
|
| 3220 |
ctx->bstate = BS_STOP; |
| 3221 |
break;
|
| 3222 |
default:
|
| 3223 |
goto die;
|
| 3224 |
} |
| 3225 |
#if defined MIPS_DEBUG_DISAS
|
| 3226 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 3227 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
| 3228 |
rn, reg, sel); |
| 3229 |
} |
| 3230 |
#endif
|
| 3231 |
return;
|
| 3232 |
|
| 3233 |
die:
|
| 3234 |
#if defined MIPS_DEBUG_DISAS
|
| 3235 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 3236 |
fprintf(logfile, "mtc0 %s (reg %d sel %d)\n",
|
| 3237 |
rn, reg, sel); |
| 3238 |
} |
| 3239 |
#endif
|
| 3240 |
generate_exception(ctx, EXCP_RI); |
| 3241 |
} |
| 3242 |
|
| 3243 |
#if defined(TARGET_MIPS64)
|
| 3244 |
static void gen_dmfc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
| 3245 |
{
|
| 3246 |
const char *rn = "invalid"; |
| 3247 |
|
| 3248 |
if (sel != 0) |
| 3249 |
check_insn(env, ctx, ISA_MIPS64); |
| 3250 |
|
| 3251 |
switch (reg) {
|
| 3252 |
case 0: |
| 3253 |
switch (sel) {
|
| 3254 |
case 0: |
| 3255 |
gen_op_mfc0_index(); |
| 3256 |
rn = "Index";
|
| 3257 |
break;
|
| 3258 |
case 1: |
| 3259 |
check_insn(env, ctx, ASE_MT); |
| 3260 |
gen_op_mfc0_mvpcontrol(); |
| 3261 |
rn = "MVPControl";
|
| 3262 |
break;
|
| 3263 |
case 2: |
| 3264 |
check_insn(env, ctx, ASE_MT); |
| 3265 |
gen_op_mfc0_mvpconf0(); |
| 3266 |
rn = "MVPConf0";
|
| 3267 |
break;
|
| 3268 |
case 3: |
| 3269 |
check_insn(env, ctx, ASE_MT); |
| 3270 |
gen_op_mfc0_mvpconf1(); |
| 3271 |
rn = "MVPConf1";
|
| 3272 |
break;
|
| 3273 |
default:
|
| 3274 |
goto die;
|
| 3275 |
} |
| 3276 |
break;
|
| 3277 |
case 1: |
| 3278 |
switch (sel) {
|
| 3279 |
case 0: |
| 3280 |
gen_op_mfc0_random(); |
| 3281 |
rn = "Random";
|
| 3282 |
break;
|
| 3283 |
case 1: |
| 3284 |
check_insn(env, ctx, ASE_MT); |
| 3285 |
gen_op_mfc0_vpecontrol(); |
| 3286 |
rn = "VPEControl";
|
| 3287 |
break;
|
| 3288 |
case 2: |
| 3289 |
check_insn(env, ctx, ASE_MT); |
| 3290 |
gen_op_mfc0_vpeconf0(); |
| 3291 |
rn = "VPEConf0";
|
| 3292 |
break;
|
| 3293 |
case 3: |
| 3294 |
check_insn(env, ctx, ASE_MT); |
| 3295 |
gen_op_mfc0_vpeconf1(); |
| 3296 |
rn = "VPEConf1";
|
| 3297 |
break;
|
| 3298 |
case 4: |
| 3299 |
check_insn(env, ctx, ASE_MT); |
| 3300 |
gen_op_dmfc0_yqmask(); |
| 3301 |
rn = "YQMask";
|
| 3302 |
break;
|
| 3303 |
case 5: |
| 3304 |
check_insn(env, ctx, ASE_MT); |
| 3305 |
gen_op_dmfc0_vpeschedule(); |
| 3306 |
rn = "VPESchedule";
|
| 3307 |
break;
|
| 3308 |
case 6: |
| 3309 |
check_insn(env, ctx, ASE_MT); |
| 3310 |
gen_op_dmfc0_vpeschefback(); |
| 3311 |
rn = "VPEScheFBack";
|
| 3312 |
break;
|
| 3313 |
case 7: |
| 3314 |
check_insn(env, ctx, ASE_MT); |
| 3315 |
gen_op_mfc0_vpeopt(); |
| 3316 |
rn = "VPEOpt";
|
| 3317 |
break;
|
| 3318 |
default:
|
| 3319 |
goto die;
|
| 3320 |
} |
| 3321 |
break;
|
| 3322 |
case 2: |
| 3323 |
switch (sel) {
|
| 3324 |
case 0: |
| 3325 |
gen_op_dmfc0_entrylo0(); |
| 3326 |
rn = "EntryLo0";
|
| 3327 |
break;
|
| 3328 |
case 1: |
| 3329 |
check_insn(env, ctx, ASE_MT); |
| 3330 |
gen_op_mfc0_tcstatus(); |
| 3331 |
rn = "TCStatus";
|
| 3332 |
break;
|
| 3333 |
case 2: |
| 3334 |
check_insn(env, ctx, ASE_MT); |
| 3335 |
gen_op_mfc0_tcbind(); |
| 3336 |
rn = "TCBind";
|
| 3337 |
break;
|
| 3338 |
case 3: |
| 3339 |
check_insn(env, ctx, ASE_MT); |
| 3340 |
gen_op_dmfc0_tcrestart(); |
| 3341 |
rn = "TCRestart";
|
| 3342 |
break;
|
| 3343 |
case 4: |
| 3344 |
check_insn(env, ctx, ASE_MT); |
| 3345 |
gen_op_dmfc0_tchalt(); |
| 3346 |
rn = "TCHalt";
|
| 3347 |
break;
|
| 3348 |
case 5: |
| 3349 |
check_insn(env, ctx, ASE_MT); |
| 3350 |
gen_op_dmfc0_tccontext(); |
| 3351 |
rn = "TCContext";
|
| 3352 |
break;
|
| 3353 |
case 6: |
| 3354 |
check_insn(env, ctx, ASE_MT); |
| 3355 |
gen_op_dmfc0_tcschedule(); |
| 3356 |
rn = "TCSchedule";
|
| 3357 |
break;
|
| 3358 |
case 7: |
| 3359 |
check_insn(env, ctx, ASE_MT); |
| 3360 |
gen_op_dmfc0_tcschefback(); |
| 3361 |
rn = "TCScheFBack";
|
| 3362 |
break;
|
| 3363 |
default:
|
| 3364 |
goto die;
|
| 3365 |
} |
| 3366 |
break;
|
| 3367 |
case 3: |
| 3368 |
switch (sel) {
|
| 3369 |
case 0: |
| 3370 |
gen_op_dmfc0_entrylo1(); |
| 3371 |
rn = "EntryLo1";
|
| 3372 |
break;
|
| 3373 |
default:
|
| 3374 |
goto die;
|
| 3375 |
} |
| 3376 |
break;
|
| 3377 |
case 4: |
| 3378 |
switch (sel) {
|
| 3379 |
case 0: |
| 3380 |
gen_op_dmfc0_context(); |
| 3381 |
rn = "Context";
|
| 3382 |
break;
|
| 3383 |
case 1: |
| 3384 |
// gen_op_dmfc0_contextconfig(); /* SmartMIPS ASE */
|
| 3385 |
rn = "ContextConfig";
|
| 3386 |
// break;
|
| 3387 |
default:
|
| 3388 |
goto die;
|
| 3389 |
} |
| 3390 |
break;
|
| 3391 |
case 5: |
| 3392 |
switch (sel) {
|
| 3393 |
case 0: |
| 3394 |
gen_op_mfc0_pagemask(); |
| 3395 |
rn = "PageMask";
|
| 3396 |
break;
|
| 3397 |
case 1: |
| 3398 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3399 |
gen_op_mfc0_pagegrain(); |
| 3400 |
rn = "PageGrain";
|
| 3401 |
break;
|
| 3402 |
default:
|
| 3403 |
goto die;
|
| 3404 |
} |
| 3405 |
break;
|
| 3406 |
case 6: |
| 3407 |
switch (sel) {
|
| 3408 |
case 0: |
| 3409 |
gen_op_mfc0_wired(); |
| 3410 |
rn = "Wired";
|
| 3411 |
break;
|
| 3412 |
case 1: |
| 3413 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3414 |
gen_op_mfc0_srsconf0(); |
| 3415 |
rn = "SRSConf0";
|
| 3416 |
break;
|
| 3417 |
case 2: |
| 3418 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3419 |
gen_op_mfc0_srsconf1(); |
| 3420 |
rn = "SRSConf1";
|
| 3421 |
break;
|
| 3422 |
case 3: |
| 3423 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3424 |
gen_op_mfc0_srsconf2(); |
| 3425 |
rn = "SRSConf2";
|
| 3426 |
break;
|
| 3427 |
case 4: |
| 3428 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3429 |
gen_op_mfc0_srsconf3(); |
| 3430 |
rn = "SRSConf3";
|
| 3431 |
break;
|
| 3432 |
case 5: |
| 3433 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3434 |
gen_op_mfc0_srsconf4(); |
| 3435 |
rn = "SRSConf4";
|
| 3436 |
break;
|
| 3437 |
default:
|
| 3438 |
goto die;
|
| 3439 |
} |
| 3440 |
break;
|
| 3441 |
case 7: |
| 3442 |
switch (sel) {
|
| 3443 |
case 0: |
| 3444 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3445 |
gen_op_mfc0_hwrena(); |
| 3446 |
rn = "HWREna";
|
| 3447 |
break;
|
| 3448 |
default:
|
| 3449 |
goto die;
|
| 3450 |
} |
| 3451 |
break;
|
| 3452 |
case 8: |
| 3453 |
switch (sel) {
|
| 3454 |
case 0: |
| 3455 |
gen_op_dmfc0_badvaddr(); |
| 3456 |
rn = "BadVaddr";
|
| 3457 |
break;
|
| 3458 |
default:
|
| 3459 |
goto die;
|
| 3460 |
} |
| 3461 |
break;
|
| 3462 |
case 9: |
| 3463 |
switch (sel) {
|
| 3464 |
case 0: |
| 3465 |
gen_op_mfc0_count(); |
| 3466 |
rn = "Count";
|
| 3467 |
break;
|
| 3468 |
/* 6,7 are implementation dependent */
|
| 3469 |
default:
|
| 3470 |
goto die;
|
| 3471 |
} |
| 3472 |
break;
|
| 3473 |
case 10: |
| 3474 |
switch (sel) {
|
| 3475 |
case 0: |
| 3476 |
gen_op_dmfc0_entryhi(); |
| 3477 |
rn = "EntryHi";
|
| 3478 |
break;
|
| 3479 |
default:
|
| 3480 |
goto die;
|
| 3481 |
} |
| 3482 |
break;
|
| 3483 |
case 11: |
| 3484 |
switch (sel) {
|
| 3485 |
case 0: |
| 3486 |
gen_op_mfc0_compare(); |
| 3487 |
rn = "Compare";
|
| 3488 |
break;
|
| 3489 |
/* 6,7 are implementation dependent */
|
| 3490 |
default:
|
| 3491 |
goto die;
|
| 3492 |
} |
| 3493 |
break;
|
| 3494 |
case 12: |
| 3495 |
switch (sel) {
|
| 3496 |
case 0: |
| 3497 |
gen_op_mfc0_status(); |
| 3498 |
rn = "Status";
|
| 3499 |
break;
|
| 3500 |
case 1: |
| 3501 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3502 |
gen_op_mfc0_intctl(); |
| 3503 |
rn = "IntCtl";
|
| 3504 |
break;
|
| 3505 |
case 2: |
| 3506 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3507 |
gen_op_mfc0_srsctl(); |
| 3508 |
rn = "SRSCtl";
|
| 3509 |
break;
|
| 3510 |
case 3: |
| 3511 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3512 |
gen_op_mfc0_srsmap(); |
| 3513 |
rn = "SRSMap";
|
| 3514 |
break;
|
| 3515 |
default:
|
| 3516 |
goto die;
|
| 3517 |
} |
| 3518 |
break;
|
| 3519 |
case 13: |
| 3520 |
switch (sel) {
|
| 3521 |
case 0: |
| 3522 |
gen_op_mfc0_cause(); |
| 3523 |
rn = "Cause";
|
| 3524 |
break;
|
| 3525 |
default:
|
| 3526 |
goto die;
|
| 3527 |
} |
| 3528 |
break;
|
| 3529 |
case 14: |
| 3530 |
switch (sel) {
|
| 3531 |
case 0: |
| 3532 |
gen_op_dmfc0_epc(); |
| 3533 |
rn = "EPC";
|
| 3534 |
break;
|
| 3535 |
default:
|
| 3536 |
goto die;
|
| 3537 |
} |
| 3538 |
break;
|
| 3539 |
case 15: |
| 3540 |
switch (sel) {
|
| 3541 |
case 0: |
| 3542 |
gen_op_mfc0_prid(); |
| 3543 |
rn = "PRid";
|
| 3544 |
break;
|
| 3545 |
case 1: |
| 3546 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3547 |
gen_op_mfc0_ebase(); |
| 3548 |
rn = "EBase";
|
| 3549 |
break;
|
| 3550 |
default:
|
| 3551 |
goto die;
|
| 3552 |
} |
| 3553 |
break;
|
| 3554 |
case 16: |
| 3555 |
switch (sel) {
|
| 3556 |
case 0: |
| 3557 |
gen_op_mfc0_config0(); |
| 3558 |
rn = "Config";
|
| 3559 |
break;
|
| 3560 |
case 1: |
| 3561 |
gen_op_mfc0_config1(); |
| 3562 |
rn = "Config1";
|
| 3563 |
break;
|
| 3564 |
case 2: |
| 3565 |
gen_op_mfc0_config2(); |
| 3566 |
rn = "Config2";
|
| 3567 |
break;
|
| 3568 |
case 3: |
| 3569 |
gen_op_mfc0_config3(); |
| 3570 |
rn = "Config3";
|
| 3571 |
break;
|
| 3572 |
/* 6,7 are implementation dependent */
|
| 3573 |
default:
|
| 3574 |
goto die;
|
| 3575 |
} |
| 3576 |
break;
|
| 3577 |
case 17: |
| 3578 |
switch (sel) {
|
| 3579 |
case 0: |
| 3580 |
gen_op_dmfc0_lladdr(); |
| 3581 |
rn = "LLAddr";
|
| 3582 |
break;
|
| 3583 |
default:
|
| 3584 |
goto die;
|
| 3585 |
} |
| 3586 |
break;
|
| 3587 |
case 18: |
| 3588 |
switch (sel) {
|
| 3589 |
case 0 ... 7: |
| 3590 |
gen_op_dmfc0_watchlo(sel); |
| 3591 |
rn = "WatchLo";
|
| 3592 |
break;
|
| 3593 |
default:
|
| 3594 |
goto die;
|
| 3595 |
} |
| 3596 |
break;
|
| 3597 |
case 19: |
| 3598 |
switch (sel) {
|
| 3599 |
case 0 ... 7: |
| 3600 |
gen_op_mfc0_watchhi(sel); |
| 3601 |
rn = "WatchHi";
|
| 3602 |
break;
|
| 3603 |
default:
|
| 3604 |
goto die;
|
| 3605 |
} |
| 3606 |
break;
|
| 3607 |
case 20: |
| 3608 |
switch (sel) {
|
| 3609 |
case 0: |
| 3610 |
check_insn(env, ctx, ISA_MIPS3); |
| 3611 |
gen_op_dmfc0_xcontext(); |
| 3612 |
rn = "XContext";
|
| 3613 |
break;
|
| 3614 |
default:
|
| 3615 |
goto die;
|
| 3616 |
} |
| 3617 |
break;
|
| 3618 |
case 21: |
| 3619 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 3620 |
switch (sel) {
|
| 3621 |
case 0: |
| 3622 |
gen_op_mfc0_framemask(); |
| 3623 |
rn = "Framemask";
|
| 3624 |
break;
|
| 3625 |
default:
|
| 3626 |
goto die;
|
| 3627 |
} |
| 3628 |
break;
|
| 3629 |
case 22: |
| 3630 |
/* ignored */
|
| 3631 |
rn = "'Diagnostic"; /* implementation dependent */ |
| 3632 |
break;
|
| 3633 |
case 23: |
| 3634 |
switch (sel) {
|
| 3635 |
case 0: |
| 3636 |
gen_op_mfc0_debug(); /* EJTAG support */
|
| 3637 |
rn = "Debug";
|
| 3638 |
break;
|
| 3639 |
case 1: |
| 3640 |
// gen_op_dmfc0_tracecontrol(); /* PDtrace support */
|
| 3641 |
rn = "TraceControl";
|
| 3642 |
// break;
|
| 3643 |
case 2: |
| 3644 |
// gen_op_dmfc0_tracecontrol2(); /* PDtrace support */
|
| 3645 |
rn = "TraceControl2";
|
| 3646 |
// break;
|
| 3647 |
case 3: |
| 3648 |
// gen_op_dmfc0_usertracedata(); /* PDtrace support */
|
| 3649 |
rn = "UserTraceData";
|
| 3650 |
// break;
|
| 3651 |
case 4: |
| 3652 |
// gen_op_dmfc0_debug(); /* PDtrace support */
|
| 3653 |
rn = "TraceBPC";
|
| 3654 |
// break;
|
| 3655 |
default:
|
| 3656 |
goto die;
|
| 3657 |
} |
| 3658 |
break;
|
| 3659 |
case 24: |
| 3660 |
switch (sel) {
|
| 3661 |
case 0: |
| 3662 |
gen_op_dmfc0_depc(); /* EJTAG support */
|
| 3663 |
rn = "DEPC";
|
| 3664 |
break;
|
| 3665 |
default:
|
| 3666 |
goto die;
|
| 3667 |
} |
| 3668 |
break;
|
| 3669 |
case 25: |
| 3670 |
switch (sel) {
|
| 3671 |
case 0: |
| 3672 |
gen_op_mfc0_performance0(); |
| 3673 |
rn = "Performance0";
|
| 3674 |
break;
|
| 3675 |
case 1: |
| 3676 |
// gen_op_dmfc0_performance1();
|
| 3677 |
rn = "Performance1";
|
| 3678 |
// break;
|
| 3679 |
case 2: |
| 3680 |
// gen_op_dmfc0_performance2();
|
| 3681 |
rn = "Performance2";
|
| 3682 |
// break;
|
| 3683 |
case 3: |
| 3684 |
// gen_op_dmfc0_performance3();
|
| 3685 |
rn = "Performance3";
|
| 3686 |
// break;
|
| 3687 |
case 4: |
| 3688 |
// gen_op_dmfc0_performance4();
|
| 3689 |
rn = "Performance4";
|
| 3690 |
// break;
|
| 3691 |
case 5: |
| 3692 |
// gen_op_dmfc0_performance5();
|
| 3693 |
rn = "Performance5";
|
| 3694 |
// break;
|
| 3695 |
case 6: |
| 3696 |
// gen_op_dmfc0_performance6();
|
| 3697 |
rn = "Performance6";
|
| 3698 |
// break;
|
| 3699 |
case 7: |
| 3700 |
// gen_op_dmfc0_performance7();
|
| 3701 |
rn = "Performance7";
|
| 3702 |
// break;
|
| 3703 |
default:
|
| 3704 |
goto die;
|
| 3705 |
} |
| 3706 |
break;
|
| 3707 |
case 26: |
| 3708 |
rn = "ECC";
|
| 3709 |
break;
|
| 3710 |
case 27: |
| 3711 |
switch (sel) {
|
| 3712 |
/* ignored */
|
| 3713 |
case 0 ... 3: |
| 3714 |
rn = "CacheErr";
|
| 3715 |
break;
|
| 3716 |
default:
|
| 3717 |
goto die;
|
| 3718 |
} |
| 3719 |
break;
|
| 3720 |
case 28: |
| 3721 |
switch (sel) {
|
| 3722 |
case 0: |
| 3723 |
case 2: |
| 3724 |
case 4: |
| 3725 |
case 6: |
| 3726 |
gen_op_mfc0_taglo(); |
| 3727 |
rn = "TagLo";
|
| 3728 |
break;
|
| 3729 |
case 1: |
| 3730 |
case 3: |
| 3731 |
case 5: |
| 3732 |
case 7: |
| 3733 |
gen_op_mfc0_datalo(); |
| 3734 |
rn = "DataLo";
|
| 3735 |
break;
|
| 3736 |
default:
|
| 3737 |
goto die;
|
| 3738 |
} |
| 3739 |
break;
|
| 3740 |
case 29: |
| 3741 |
switch (sel) {
|
| 3742 |
case 0: |
| 3743 |
case 2: |
| 3744 |
case 4: |
| 3745 |
case 6: |
| 3746 |
gen_op_mfc0_taghi(); |
| 3747 |
rn = "TagHi";
|
| 3748 |
break;
|
| 3749 |
case 1: |
| 3750 |
case 3: |
| 3751 |
case 5: |
| 3752 |
case 7: |
| 3753 |
gen_op_mfc0_datahi(); |
| 3754 |
rn = "DataHi";
|
| 3755 |
break;
|
| 3756 |
default:
|
| 3757 |
goto die;
|
| 3758 |
} |
| 3759 |
break;
|
| 3760 |
case 30: |
| 3761 |
switch (sel) {
|
| 3762 |
case 0: |
| 3763 |
gen_op_dmfc0_errorepc(); |
| 3764 |
rn = "ErrorEPC";
|
| 3765 |
break;
|
| 3766 |
default:
|
| 3767 |
goto die;
|
| 3768 |
} |
| 3769 |
break;
|
| 3770 |
case 31: |
| 3771 |
switch (sel) {
|
| 3772 |
case 0: |
| 3773 |
gen_op_mfc0_desave(); /* EJTAG support */
|
| 3774 |
rn = "DESAVE";
|
| 3775 |
break;
|
| 3776 |
default:
|
| 3777 |
goto die;
|
| 3778 |
} |
| 3779 |
break;
|
| 3780 |
default:
|
| 3781 |
goto die;
|
| 3782 |
} |
| 3783 |
#if defined MIPS_DEBUG_DISAS
|
| 3784 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 3785 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
| 3786 |
rn, reg, sel); |
| 3787 |
} |
| 3788 |
#endif
|
| 3789 |
return;
|
| 3790 |
|
| 3791 |
die:
|
| 3792 |
#if defined MIPS_DEBUG_DISAS
|
| 3793 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 3794 |
fprintf(logfile, "dmfc0 %s (reg %d sel %d)\n",
|
| 3795 |
rn, reg, sel); |
| 3796 |
} |
| 3797 |
#endif
|
| 3798 |
generate_exception(ctx, EXCP_RI); |
| 3799 |
} |
| 3800 |
|
| 3801 |
static void gen_dmtc0 (CPUState *env, DisasContext *ctx, int reg, int sel) |
| 3802 |
{
|
| 3803 |
const char *rn = "invalid"; |
| 3804 |
|
| 3805 |
if (sel != 0) |
| 3806 |
check_insn(env, ctx, ISA_MIPS64); |
| 3807 |
|
| 3808 |
switch (reg) {
|
| 3809 |
case 0: |
| 3810 |
switch (sel) {
|
| 3811 |
case 0: |
| 3812 |
gen_op_mtc0_index(); |
| 3813 |
rn = "Index";
|
| 3814 |
break;
|
| 3815 |
case 1: |
| 3816 |
check_insn(env, ctx, ASE_MT); |
| 3817 |
gen_op_mtc0_mvpcontrol(); |
| 3818 |
rn = "MVPControl";
|
| 3819 |
break;
|
| 3820 |
case 2: |
| 3821 |
check_insn(env, ctx, ASE_MT); |
| 3822 |
/* ignored */
|
| 3823 |
rn = "MVPConf0";
|
| 3824 |
break;
|
| 3825 |
case 3: |
| 3826 |
check_insn(env, ctx, ASE_MT); |
| 3827 |
/* ignored */
|
| 3828 |
rn = "MVPConf1";
|
| 3829 |
break;
|
| 3830 |
default:
|
| 3831 |
goto die;
|
| 3832 |
} |
| 3833 |
break;
|
| 3834 |
case 1: |
| 3835 |
switch (sel) {
|
| 3836 |
case 0: |
| 3837 |
/* ignored */
|
| 3838 |
rn = "Random";
|
| 3839 |
break;
|
| 3840 |
case 1: |
| 3841 |
check_insn(env, ctx, ASE_MT); |
| 3842 |
gen_op_mtc0_vpecontrol(); |
| 3843 |
rn = "VPEControl";
|
| 3844 |
break;
|
| 3845 |
case 2: |
| 3846 |
check_insn(env, ctx, ASE_MT); |
| 3847 |
gen_op_mtc0_vpeconf0(); |
| 3848 |
rn = "VPEConf0";
|
| 3849 |
break;
|
| 3850 |
case 3: |
| 3851 |
check_insn(env, ctx, ASE_MT); |
| 3852 |
gen_op_mtc0_vpeconf1(); |
| 3853 |
rn = "VPEConf1";
|
| 3854 |
break;
|
| 3855 |
case 4: |
| 3856 |
check_insn(env, ctx, ASE_MT); |
| 3857 |
gen_op_mtc0_yqmask(); |
| 3858 |
rn = "YQMask";
|
| 3859 |
break;
|
| 3860 |
case 5: |
| 3861 |
check_insn(env, ctx, ASE_MT); |
| 3862 |
gen_op_mtc0_vpeschedule(); |
| 3863 |
rn = "VPESchedule";
|
| 3864 |
break;
|
| 3865 |
case 6: |
| 3866 |
check_insn(env, ctx, ASE_MT); |
| 3867 |
gen_op_mtc0_vpeschefback(); |
| 3868 |
rn = "VPEScheFBack";
|
| 3869 |
break;
|
| 3870 |
case 7: |
| 3871 |
check_insn(env, ctx, ASE_MT); |
| 3872 |
gen_op_mtc0_vpeopt(); |
| 3873 |
rn = "VPEOpt";
|
| 3874 |
break;
|
| 3875 |
default:
|
| 3876 |
goto die;
|
| 3877 |
} |
| 3878 |
break;
|
| 3879 |
case 2: |
| 3880 |
switch (sel) {
|
| 3881 |
case 0: |
| 3882 |
gen_op_mtc0_entrylo0(); |
| 3883 |
rn = "EntryLo0";
|
| 3884 |
break;
|
| 3885 |
case 1: |
| 3886 |
check_insn(env, ctx, ASE_MT); |
| 3887 |
gen_op_mtc0_tcstatus(); |
| 3888 |
rn = "TCStatus";
|
| 3889 |
break;
|
| 3890 |
case 2: |
| 3891 |
check_insn(env, ctx, ASE_MT); |
| 3892 |
gen_op_mtc0_tcbind(); |
| 3893 |
rn = "TCBind";
|
| 3894 |
break;
|
| 3895 |
case 3: |
| 3896 |
check_insn(env, ctx, ASE_MT); |
| 3897 |
gen_op_mtc0_tcrestart(); |
| 3898 |
rn = "TCRestart";
|
| 3899 |
break;
|
| 3900 |
case 4: |
| 3901 |
check_insn(env, ctx, ASE_MT); |
| 3902 |
gen_op_mtc0_tchalt(); |
| 3903 |
rn = "TCHalt";
|
| 3904 |
break;
|
| 3905 |
case 5: |
| 3906 |
check_insn(env, ctx, ASE_MT); |
| 3907 |
gen_op_mtc0_tccontext(); |
| 3908 |
rn = "TCContext";
|
| 3909 |
break;
|
| 3910 |
case 6: |
| 3911 |
check_insn(env, ctx, ASE_MT); |
| 3912 |
gen_op_mtc0_tcschedule(); |
| 3913 |
rn = "TCSchedule";
|
| 3914 |
break;
|
| 3915 |
case 7: |
| 3916 |
check_insn(env, ctx, ASE_MT); |
| 3917 |
gen_op_mtc0_tcschefback(); |
| 3918 |
rn = "TCScheFBack";
|
| 3919 |
break;
|
| 3920 |
default:
|
| 3921 |
goto die;
|
| 3922 |
} |
| 3923 |
break;
|
| 3924 |
case 3: |
| 3925 |
switch (sel) {
|
| 3926 |
case 0: |
| 3927 |
gen_op_mtc0_entrylo1(); |
| 3928 |
rn = "EntryLo1";
|
| 3929 |
break;
|
| 3930 |
default:
|
| 3931 |
goto die;
|
| 3932 |
} |
| 3933 |
break;
|
| 3934 |
case 4: |
| 3935 |
switch (sel) {
|
| 3936 |
case 0: |
| 3937 |
gen_op_mtc0_context(); |
| 3938 |
rn = "Context";
|
| 3939 |
break;
|
| 3940 |
case 1: |
| 3941 |
// gen_op_mtc0_contextconfig(); /* SmartMIPS ASE */
|
| 3942 |
rn = "ContextConfig";
|
| 3943 |
// break;
|
| 3944 |
default:
|
| 3945 |
goto die;
|
| 3946 |
} |
| 3947 |
break;
|
| 3948 |
case 5: |
| 3949 |
switch (sel) {
|
| 3950 |
case 0: |
| 3951 |
gen_op_mtc0_pagemask(); |
| 3952 |
rn = "PageMask";
|
| 3953 |
break;
|
| 3954 |
case 1: |
| 3955 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3956 |
gen_op_mtc0_pagegrain(); |
| 3957 |
rn = "PageGrain";
|
| 3958 |
break;
|
| 3959 |
default:
|
| 3960 |
goto die;
|
| 3961 |
} |
| 3962 |
break;
|
| 3963 |
case 6: |
| 3964 |
switch (sel) {
|
| 3965 |
case 0: |
| 3966 |
gen_op_mtc0_wired(); |
| 3967 |
rn = "Wired";
|
| 3968 |
break;
|
| 3969 |
case 1: |
| 3970 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3971 |
gen_op_mtc0_srsconf0(); |
| 3972 |
rn = "SRSConf0";
|
| 3973 |
break;
|
| 3974 |
case 2: |
| 3975 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3976 |
gen_op_mtc0_srsconf1(); |
| 3977 |
rn = "SRSConf1";
|
| 3978 |
break;
|
| 3979 |
case 3: |
| 3980 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3981 |
gen_op_mtc0_srsconf2(); |
| 3982 |
rn = "SRSConf2";
|
| 3983 |
break;
|
| 3984 |
case 4: |
| 3985 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3986 |
gen_op_mtc0_srsconf3(); |
| 3987 |
rn = "SRSConf3";
|
| 3988 |
break;
|
| 3989 |
case 5: |
| 3990 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 3991 |
gen_op_mtc0_srsconf4(); |
| 3992 |
rn = "SRSConf4";
|
| 3993 |
break;
|
| 3994 |
default:
|
| 3995 |
goto die;
|
| 3996 |
} |
| 3997 |
break;
|
| 3998 |
case 7: |
| 3999 |
switch (sel) {
|
| 4000 |
case 0: |
| 4001 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4002 |
gen_op_mtc0_hwrena(); |
| 4003 |
rn = "HWREna";
|
| 4004 |
break;
|
| 4005 |
default:
|
| 4006 |
goto die;
|
| 4007 |
} |
| 4008 |
break;
|
| 4009 |
case 8: |
| 4010 |
/* ignored */
|
| 4011 |
rn = "BadVaddr";
|
| 4012 |
break;
|
| 4013 |
case 9: |
| 4014 |
switch (sel) {
|
| 4015 |
case 0: |
| 4016 |
gen_op_mtc0_count(); |
| 4017 |
rn = "Count";
|
| 4018 |
break;
|
| 4019 |
/* 6,7 are implementation dependent */
|
| 4020 |
default:
|
| 4021 |
goto die;
|
| 4022 |
} |
| 4023 |
/* Stop translation as we may have switched the execution mode */
|
| 4024 |
ctx->bstate = BS_STOP; |
| 4025 |
break;
|
| 4026 |
case 10: |
| 4027 |
switch (sel) {
|
| 4028 |
case 0: |
| 4029 |
gen_op_mtc0_entryhi(); |
| 4030 |
rn = "EntryHi";
|
| 4031 |
break;
|
| 4032 |
default:
|
| 4033 |
goto die;
|
| 4034 |
} |
| 4035 |
break;
|
| 4036 |
case 11: |
| 4037 |
switch (sel) {
|
| 4038 |
case 0: |
| 4039 |
gen_op_mtc0_compare(); |
| 4040 |
rn = "Compare";
|
| 4041 |
break;
|
| 4042 |
/* 6,7 are implementation dependent */
|
| 4043 |
default:
|
| 4044 |
goto die;
|
| 4045 |
} |
| 4046 |
/* Stop translation as we may have switched the execution mode */
|
| 4047 |
ctx->bstate = BS_STOP; |
| 4048 |
break;
|
| 4049 |
case 12: |
| 4050 |
switch (sel) {
|
| 4051 |
case 0: |
| 4052 |
gen_op_mtc0_status(); |
| 4053 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 4054 |
gen_save_pc(ctx->pc + 4);
|
| 4055 |
ctx->bstate = BS_EXCP; |
| 4056 |
rn = "Status";
|
| 4057 |
break;
|
| 4058 |
case 1: |
| 4059 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4060 |
gen_op_mtc0_intctl(); |
| 4061 |
/* Stop translation as we may have switched the execution mode */
|
| 4062 |
ctx->bstate = BS_STOP; |
| 4063 |
rn = "IntCtl";
|
| 4064 |
break;
|
| 4065 |
case 2: |
| 4066 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4067 |
gen_op_mtc0_srsctl(); |
| 4068 |
/* Stop translation as we may have switched the execution mode */
|
| 4069 |
ctx->bstate = BS_STOP; |
| 4070 |
rn = "SRSCtl";
|
| 4071 |
break;
|
| 4072 |
case 3: |
| 4073 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4074 |
gen_op_mtc0_srsmap(); |
| 4075 |
/* Stop translation as we may have switched the execution mode */
|
| 4076 |
ctx->bstate = BS_STOP; |
| 4077 |
rn = "SRSMap";
|
| 4078 |
break;
|
| 4079 |
default:
|
| 4080 |
goto die;
|
| 4081 |
} |
| 4082 |
break;
|
| 4083 |
case 13: |
| 4084 |
switch (sel) {
|
| 4085 |
case 0: |
| 4086 |
gen_op_mtc0_cause(); |
| 4087 |
rn = "Cause";
|
| 4088 |
break;
|
| 4089 |
default:
|
| 4090 |
goto die;
|
| 4091 |
} |
| 4092 |
/* Stop translation as we may have switched the execution mode */
|
| 4093 |
ctx->bstate = BS_STOP; |
| 4094 |
break;
|
| 4095 |
case 14: |
| 4096 |
switch (sel) {
|
| 4097 |
case 0: |
| 4098 |
gen_op_mtc0_epc(); |
| 4099 |
rn = "EPC";
|
| 4100 |
break;
|
| 4101 |
default:
|
| 4102 |
goto die;
|
| 4103 |
} |
| 4104 |
break;
|
| 4105 |
case 15: |
| 4106 |
switch (sel) {
|
| 4107 |
case 0: |
| 4108 |
/* ignored */
|
| 4109 |
rn = "PRid";
|
| 4110 |
break;
|
| 4111 |
case 1: |
| 4112 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 4113 |
gen_op_mtc0_ebase(); |
| 4114 |
rn = "EBase";
|
| 4115 |
break;
|
| 4116 |
default:
|
| 4117 |
goto die;
|
| 4118 |
} |
| 4119 |
break;
|
| 4120 |
case 16: |
| 4121 |
switch (sel) {
|
| 4122 |
case 0: |
| 4123 |
gen_op_mtc0_config0(); |
| 4124 |
rn = "Config";
|
| 4125 |
/* Stop translation as we may have switched the execution mode */
|
| 4126 |
ctx->bstate = BS_STOP; |
| 4127 |
break;
|
| 4128 |
case 1: |
| 4129 |
/* ignored */
|
| 4130 |
rn = "Config1";
|
| 4131 |
break;
|
| 4132 |
case 2: |
| 4133 |
gen_op_mtc0_config2(); |
| 4134 |
rn = "Config2";
|
| 4135 |
/* Stop translation as we may have switched the execution mode */
|
| 4136 |
ctx->bstate = BS_STOP; |
| 4137 |
break;
|
| 4138 |
case 3: |
| 4139 |
/* ignored */
|
| 4140 |
rn = "Config3";
|
| 4141 |
break;
|
| 4142 |
/* 6,7 are implementation dependent */
|
| 4143 |
default:
|
| 4144 |
rn = "Invalid config selector";
|
| 4145 |
goto die;
|
| 4146 |
} |
| 4147 |
break;
|
| 4148 |
case 17: |
| 4149 |
switch (sel) {
|
| 4150 |
case 0: |
| 4151 |
/* ignored */
|
| 4152 |
rn = "LLAddr";
|
| 4153 |
break;
|
| 4154 |
default:
|
| 4155 |
goto die;
|
| 4156 |
} |
| 4157 |
break;
|
| 4158 |
case 18: |
| 4159 |
switch (sel) {
|
| 4160 |
case 0 ... 7: |
| 4161 |
gen_op_mtc0_watchlo(sel); |
| 4162 |
rn = "WatchLo";
|
| 4163 |
break;
|
| 4164 |
default:
|
| 4165 |
goto die;
|
| 4166 |
} |
| 4167 |
break;
|
| 4168 |
case 19: |
| 4169 |
switch (sel) {
|
| 4170 |
case 0 ... 7: |
| 4171 |
gen_op_mtc0_watchhi(sel); |
| 4172 |
rn = "WatchHi";
|
| 4173 |
break;
|
| 4174 |
default:
|
| 4175 |
goto die;
|
| 4176 |
} |
| 4177 |
break;
|
| 4178 |
case 20: |
| 4179 |
switch (sel) {
|
| 4180 |
case 0: |
| 4181 |
check_insn(env, ctx, ISA_MIPS3); |
| 4182 |
gen_op_mtc0_xcontext(); |
| 4183 |
rn = "XContext";
|
| 4184 |
break;
|
| 4185 |
default:
|
| 4186 |
goto die;
|
| 4187 |
} |
| 4188 |
break;
|
| 4189 |
case 21: |
| 4190 |
/* Officially reserved, but sel 0 is used for R1x000 framemask */
|
| 4191 |
switch (sel) {
|
| 4192 |
case 0: |
| 4193 |
gen_op_mtc0_framemask(); |
| 4194 |
rn = "Framemask";
|
| 4195 |
break;
|
| 4196 |
default:
|
| 4197 |
goto die;
|
| 4198 |
} |
| 4199 |
break;
|
| 4200 |
case 22: |
| 4201 |
/* ignored */
|
| 4202 |
rn = "Diagnostic"; /* implementation dependent */ |
| 4203 |
break;
|
| 4204 |
case 23: |
| 4205 |
switch (sel) {
|
| 4206 |
case 0: |
| 4207 |
gen_op_mtc0_debug(); /* EJTAG support */
|
| 4208 |
/* BS_STOP isn't good enough here, hflags may have changed. */
|
| 4209 |
gen_save_pc(ctx->pc + 4);
|
| 4210 |
ctx->bstate = BS_EXCP; |
| 4211 |
rn = "Debug";
|
| 4212 |
break;
|
| 4213 |
case 1: |
| 4214 |
// gen_op_mtc0_tracecontrol(); /* PDtrace support */
|
| 4215 |
/* Stop translation as we may have switched the execution mode */
|
| 4216 |
ctx->bstate = BS_STOP; |
| 4217 |
rn = "TraceControl";
|
| 4218 |
// break;
|
| 4219 |
case 2: |
| 4220 |
// gen_op_mtc0_tracecontrol2(); /* PDtrace support */
|
| 4221 |
/* Stop translation as we may have switched the execution mode */
|
| 4222 |
ctx->bstate = BS_STOP; |
| 4223 |
rn = "TraceControl2";
|
| 4224 |
// break;
|
| 4225 |
case 3: |
| 4226 |
// gen_op_mtc0_usertracedata(); /* PDtrace support */
|
| 4227 |
/* Stop translation as we may have switched the execution mode */
|
| 4228 |
ctx->bstate = BS_STOP; |
| 4229 |
rn = "UserTraceData";
|
| 4230 |
// break;
|
| 4231 |
case 4: |
| 4232 |
// gen_op_mtc0_debug(); /* PDtrace support */
|
| 4233 |
/* Stop translation as we may have switched the execution mode */
|
| 4234 |
ctx->bstate = BS_STOP; |
| 4235 |
rn = "TraceBPC";
|
| 4236 |
// break;
|
| 4237 |
default:
|
| 4238 |
goto die;
|
| 4239 |
} |
| 4240 |
break;
|
| 4241 |
case 24: |
| 4242 |
switch (sel) {
|
| 4243 |
case 0: |
| 4244 |
gen_op_mtc0_depc(); /* EJTAG support */
|
| 4245 |
rn = "DEPC";
|
| 4246 |
break;
|
| 4247 |
default:
|
| 4248 |
goto die;
|
| 4249 |
} |
| 4250 |
break;
|
| 4251 |
case 25: |
| 4252 |
switch (sel) {
|
| 4253 |
case 0: |
| 4254 |
gen_op_mtc0_performance0(); |
| 4255 |
rn = "Performance0";
|
| 4256 |
break;
|
| 4257 |
case 1: |
| 4258 |
// gen_op_mtc0_performance1();
|
| 4259 |
rn = "Performance1";
|
| 4260 |
// break;
|
| 4261 |
case 2: |
| 4262 |
// gen_op_mtc0_performance2();
|
| 4263 |
rn = "Performance2";
|
| 4264 |
// break;
|
| 4265 |
case 3: |
| 4266 |
// gen_op_mtc0_performance3();
|
| 4267 |
rn = "Performance3";
|
| 4268 |
// break;
|
| 4269 |
case 4: |
| 4270 |
// gen_op_mtc0_performance4();
|
| 4271 |
rn = "Performance4";
|
| 4272 |
// break;
|
| 4273 |
case 5: |
| 4274 |
// gen_op_mtc0_performance5();
|
| 4275 |
rn = "Performance5";
|
| 4276 |
// break;
|
| 4277 |
case 6: |
| 4278 |
// gen_op_mtc0_performance6();
|
| 4279 |
rn = "Performance6";
|
| 4280 |
// break;
|
| 4281 |
case 7: |
| 4282 |
// gen_op_mtc0_performance7();
|
| 4283 |
rn = "Performance7";
|
| 4284 |
// break;
|
| 4285 |
default:
|
| 4286 |
goto die;
|
| 4287 |
} |
| 4288 |
break;
|
| 4289 |
case 26: |
| 4290 |
/* ignored */
|
| 4291 |
rn = "ECC";
|
| 4292 |
break;
|
| 4293 |
case 27: |
| 4294 |
switch (sel) {
|
| 4295 |
case 0 ... 3: |
| 4296 |
/* ignored */
|
| 4297 |
rn = "CacheErr";
|
| 4298 |
break;
|
| 4299 |
default:
|
| 4300 |
goto die;
|
| 4301 |
} |
| 4302 |
break;
|
| 4303 |
case 28: |
| 4304 |
switch (sel) {
|
| 4305 |
case 0: |
| 4306 |
case 2: |
| 4307 |
case 4: |
| 4308 |
case 6: |
| 4309 |
gen_op_mtc0_taglo(); |
| 4310 |
rn = "TagLo";
|
| 4311 |
break;
|
| 4312 |
case 1: |
| 4313 |
case 3: |
| 4314 |
case 5: |
| 4315 |
case 7: |
| 4316 |
gen_op_mtc0_datalo(); |
| 4317 |
rn = "DataLo";
|
| 4318 |
break;
|
| 4319 |
default:
|
| 4320 |
goto die;
|
| 4321 |
} |
| 4322 |
break;
|
| 4323 |
case 29: |
| 4324 |
switch (sel) {
|
| 4325 |
case 0: |
| 4326 |
case 2: |
| 4327 |
case 4: |
| 4328 |
case 6: |
| 4329 |
gen_op_mtc0_taghi(); |
| 4330 |
rn = "TagHi";
|
| 4331 |
break;
|
| 4332 |
case 1: |
| 4333 |
case 3: |
| 4334 |
case 5: |
| 4335 |
case 7: |
| 4336 |
gen_op_mtc0_datahi(); |
| 4337 |
rn = "DataHi";
|
| 4338 |
break;
|
| 4339 |
default:
|
| 4340 |
rn = "invalid sel";
|
| 4341 |
goto die;
|
| 4342 |
} |
| 4343 |
break;
|
| 4344 |
case 30: |
| 4345 |
switch (sel) {
|
| 4346 |
case 0: |
| 4347 |
gen_op_mtc0_errorepc(); |
| 4348 |
rn = "ErrorEPC";
|
| 4349 |
break;
|
| 4350 |
default:
|
| 4351 |
goto die;
|
| 4352 |
} |
| 4353 |
break;
|
| 4354 |
case 31: |
| 4355 |
switch (sel) {
|
| 4356 |
case 0: |
| 4357 |
gen_op_mtc0_desave(); /* EJTAG support */
|
| 4358 |
rn = "DESAVE";
|
| 4359 |
break;
|
| 4360 |
default:
|
| 4361 |
goto die;
|
| 4362 |
} |
| 4363 |
/* Stop translation as we may have switched the execution mode */
|
| 4364 |
ctx->bstate = BS_STOP; |
| 4365 |
break;
|
| 4366 |
default:
|
| 4367 |
goto die;
|
| 4368 |
} |
| 4369 |
#if defined MIPS_DEBUG_DISAS
|
| 4370 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 4371 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
| 4372 |
rn, reg, sel); |
| 4373 |
} |
| 4374 |
#endif
|
| 4375 |
return;
|
| 4376 |
|
| 4377 |
die:
|
| 4378 |
#if defined MIPS_DEBUG_DISAS
|
| 4379 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 4380 |
fprintf(logfile, "dmtc0 %s (reg %d sel %d)\n",
|
| 4381 |
rn, reg, sel); |
| 4382 |
} |
| 4383 |
#endif
|
| 4384 |
generate_exception(ctx, EXCP_RI); |
| 4385 |
} |
| 4386 |
#endif /* TARGET_MIPS64 */ |
| 4387 |
|
| 4388 |
static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, |
| 4389 |
int u, int sel, int h) |
| 4390 |
{
|
| 4391 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 4392 |
|
| 4393 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
| 4394 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
| 4395 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
| 4396 |
gen_op_set_T0(-1);
|
| 4397 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
| 4398 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
| 4399 |
gen_op_set_T0(-1);
|
| 4400 |
else if (u == 0) { |
| 4401 |
switch (rt) {
|
| 4402 |
case 2: |
| 4403 |
switch (sel) {
|
| 4404 |
case 1: |
| 4405 |
gen_op_mftc0_tcstatus(); |
| 4406 |
break;
|
| 4407 |
case 2: |
| 4408 |
gen_op_mftc0_tcbind(); |
| 4409 |
break;
|
| 4410 |
case 3: |
| 4411 |
gen_op_mftc0_tcrestart(); |
| 4412 |
break;
|
| 4413 |
case 4: |
| 4414 |
gen_op_mftc0_tchalt(); |
| 4415 |
break;
|
| 4416 |
case 5: |
| 4417 |
gen_op_mftc0_tccontext(); |
| 4418 |
break;
|
| 4419 |
case 6: |
| 4420 |
gen_op_mftc0_tcschedule(); |
| 4421 |
break;
|
| 4422 |
case 7: |
| 4423 |
gen_op_mftc0_tcschefback(); |
| 4424 |
break;
|
| 4425 |
default:
|
| 4426 |
gen_mfc0(env, ctx, rt, sel); |
| 4427 |
break;
|
| 4428 |
} |
| 4429 |
break;
|
| 4430 |
case 10: |
| 4431 |
switch (sel) {
|
| 4432 |
case 0: |
| 4433 |
gen_op_mftc0_entryhi(); |
| 4434 |
break;
|
| 4435 |
default:
|
| 4436 |
gen_mfc0(env, ctx, rt, sel); |
| 4437 |
break;
|
| 4438 |
} |
| 4439 |
case 12: |
| 4440 |
switch (sel) {
|
| 4441 |
case 0: |
| 4442 |
gen_op_mftc0_status(); |
| 4443 |
break;
|
| 4444 |
default:
|
| 4445 |
gen_mfc0(env, ctx, rt, sel); |
| 4446 |
break;
|
| 4447 |
} |
| 4448 |
case 23: |
| 4449 |
switch (sel) {
|
| 4450 |
case 0: |
| 4451 |
gen_op_mftc0_debug(); |
| 4452 |
break;
|
| 4453 |
default:
|
| 4454 |
gen_mfc0(env, ctx, rt, sel); |
| 4455 |
break;
|
| 4456 |
} |
| 4457 |
break;
|
| 4458 |
default:
|
| 4459 |
gen_mfc0(env, ctx, rt, sel); |
| 4460 |
} |
| 4461 |
} else switch (sel) { |
| 4462 |
/* GPR registers. */
|
| 4463 |
case 0: |
| 4464 |
gen_op_mftgpr(rt); |
| 4465 |
break;
|
| 4466 |
/* Auxiliary CPU registers */
|
| 4467 |
case 1: |
| 4468 |
switch (rt) {
|
| 4469 |
case 0: |
| 4470 |
gen_op_mftlo(0);
|
| 4471 |
break;
|
| 4472 |
case 1: |
| 4473 |
gen_op_mfthi(0);
|
| 4474 |
break;
|
| 4475 |
case 2: |
| 4476 |
gen_op_mftacx(0);
|
| 4477 |
break;
|
| 4478 |
case 4: |
| 4479 |
gen_op_mftlo(1);
|
| 4480 |
break;
|
| 4481 |
case 5: |
| 4482 |
gen_op_mfthi(1);
|
| 4483 |
break;
|
| 4484 |
case 6: |
| 4485 |
gen_op_mftacx(1);
|
| 4486 |
break;
|
| 4487 |
case 8: |
| 4488 |
gen_op_mftlo(2);
|
| 4489 |
break;
|
| 4490 |
case 9: |
| 4491 |
gen_op_mfthi(2);
|
| 4492 |
break;
|
| 4493 |
case 10: |
| 4494 |
gen_op_mftacx(2);
|
| 4495 |
break;
|
| 4496 |
case 12: |
| 4497 |
gen_op_mftlo(3);
|
| 4498 |
break;
|
| 4499 |
case 13: |
| 4500 |
gen_op_mfthi(3);
|
| 4501 |
break;
|
| 4502 |
case 14: |
| 4503 |
gen_op_mftacx(3);
|
| 4504 |
break;
|
| 4505 |
case 16: |
| 4506 |
gen_op_mftdsp(); |
| 4507 |
break;
|
| 4508 |
default:
|
| 4509 |
goto die;
|
| 4510 |
} |
| 4511 |
break;
|
| 4512 |
/* Floating point (COP1). */
|
| 4513 |
case 2: |
| 4514 |
/* XXX: For now we support only a single FPU context. */
|
| 4515 |
if (h == 0) { |
| 4516 |
GEN_LOAD_FREG_FTN(WT0, rt); |
| 4517 |
gen_op_mfc1(); |
| 4518 |
} else {
|
| 4519 |
GEN_LOAD_FREG_FTN(WTH0, rt); |
| 4520 |
gen_op_mfhc1(); |
| 4521 |
} |
| 4522 |
break;
|
| 4523 |
case 3: |
| 4524 |
/* XXX: For now we support only a single FPU context. */
|
| 4525 |
gen_op_cfc1(rt); |
| 4526 |
break;
|
| 4527 |
/* COP2: Not implemented. */
|
| 4528 |
case 4: |
| 4529 |
case 5: |
| 4530 |
/* fall through */
|
| 4531 |
default:
|
| 4532 |
goto die;
|
| 4533 |
} |
| 4534 |
#if defined MIPS_DEBUG_DISAS
|
| 4535 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 4536 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
| 4537 |
rt, u, sel, h); |
| 4538 |
} |
| 4539 |
#endif
|
| 4540 |
return;
|
| 4541 |
|
| 4542 |
die:
|
| 4543 |
#if defined MIPS_DEBUG_DISAS
|
| 4544 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 4545 |
fprintf(logfile, "mftr (reg %d u %d sel %d h %d)\n",
|
| 4546 |
rt, u, sel, h); |
| 4547 |
} |
| 4548 |
#endif
|
| 4549 |
generate_exception(ctx, EXCP_RI); |
| 4550 |
} |
| 4551 |
|
| 4552 |
static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, |
| 4553 |
int u, int sel, int h) |
| 4554 |
{
|
| 4555 |
int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); |
| 4556 |
|
| 4557 |
if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && |
| 4558 |
((env->CP0_TCBind[other_tc] & (0xf << CP0TCBd_CurVPE)) !=
|
| 4559 |
(env->CP0_TCBind[env->current_tc] & (0xf << CP0TCBd_CurVPE))))
|
| 4560 |
/* NOP */ ;
|
| 4561 |
else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > |
| 4562 |
(env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
|
| 4563 |
/* NOP */ ;
|
| 4564 |
else if (u == 0) { |
| 4565 |
switch (rd) {
|
| 4566 |
case 2: |
| 4567 |
switch (sel) {
|
| 4568 |
case 1: |
| 4569 |
gen_op_mttc0_tcstatus(); |
| 4570 |
break;
|
| 4571 |
case 2: |
| 4572 |
gen_op_mttc0_tcbind(); |
| 4573 |
break;
|
| 4574 |
case 3: |
| 4575 |
gen_op_mttc0_tcrestart(); |
| 4576 |
break;
|
| 4577 |
case 4: |
| 4578 |
gen_op_mttc0_tchalt(); |
| 4579 |
break;
|
| 4580 |
case 5: |
| 4581 |
gen_op_mttc0_tccontext(); |
| 4582 |
break;
|
| 4583 |
case 6: |
| 4584 |
gen_op_mttc0_tcschedule(); |
| 4585 |
break;
|
| 4586 |
case 7: |
| 4587 |
gen_op_mttc0_tcschefback(); |
| 4588 |
break;
|
| 4589 |
default:
|
| 4590 |
gen_mtc0(env, ctx, rd, sel); |
| 4591 |
break;
|
| 4592 |
} |
| 4593 |
break;
|
| 4594 |
case 10: |
| 4595 |
switch (sel) {
|
| 4596 |
case 0: |
| 4597 |
gen_op_mttc0_entryhi(); |
| 4598 |
break;
|
| 4599 |
default:
|
| 4600 |
gen_mtc0(env, ctx, rd, sel); |
| 4601 |
break;
|
| 4602 |
} |
| 4603 |
case 12: |
| 4604 |
switch (sel) {
|
| 4605 |
case 0: |
| 4606 |
gen_op_mttc0_status(); |
| 4607 |
break;
|
| 4608 |
default:
|
| 4609 |
gen_mtc0(env, ctx, rd, sel); |
| 4610 |
break;
|
| 4611 |
} |
| 4612 |
case 23: |
| 4613 |
switch (sel) {
|
| 4614 |
case 0: |
| 4615 |
gen_op_mttc0_debug(); |
| 4616 |
break;
|
| 4617 |
default:
|
| 4618 |
gen_mtc0(env, ctx, rd, sel); |
| 4619 |
break;
|
| 4620 |
} |
| 4621 |
break;
|
| 4622 |
default:
|
| 4623 |
gen_mtc0(env, ctx, rd, sel); |
| 4624 |
} |
| 4625 |
} else switch (sel) { |
| 4626 |
/* GPR registers. */
|
| 4627 |
case 0: |
| 4628 |
gen_op_mttgpr(rd); |
| 4629 |
break;
|
| 4630 |
/* Auxiliary CPU registers */
|
| 4631 |
case 1: |
| 4632 |
switch (rd) {
|
| 4633 |
case 0: |
| 4634 |
gen_op_mttlo(0);
|
| 4635 |
break;
|
| 4636 |
case 1: |
| 4637 |
gen_op_mtthi(0);
|
| 4638 |
break;
|
| 4639 |
case 2: |
| 4640 |
gen_op_mttacx(0);
|
| 4641 |
break;
|
| 4642 |
case 4: |
| 4643 |
gen_op_mttlo(1);
|
| 4644 |
break;
|
| 4645 |
case 5: |
| 4646 |
gen_op_mtthi(1);
|
| 4647 |
break;
|
| 4648 |
case 6: |
| 4649 |
gen_op_mttacx(1);
|
| 4650 |
break;
|
| 4651 |
case 8: |
| 4652 |
gen_op_mttlo(2);
|
| 4653 |
break;
|
| 4654 |
case 9: |
| 4655 |
gen_op_mtthi(2);
|
| 4656 |
break;
|
| 4657 |
case 10: |
| 4658 |
gen_op_mttacx(2);
|
| 4659 |
break;
|
| 4660 |
case 12: |
| 4661 |
gen_op_mttlo(3);
|
| 4662 |
break;
|
| 4663 |
case 13: |
| 4664 |
gen_op_mtthi(3);
|
| 4665 |
break;
|
| 4666 |
case 14: |
| 4667 |
gen_op_mttacx(3);
|
| 4668 |
break;
|
| 4669 |
case 16: |
| 4670 |
gen_op_mttdsp(); |
| 4671 |
break;
|
| 4672 |
default:
|
| 4673 |
goto die;
|
| 4674 |
} |
| 4675 |
break;
|
| 4676 |
/* Floating point (COP1). */
|
| 4677 |
case 2: |
| 4678 |
/* XXX: For now we support only a single FPU context. */
|
| 4679 |
if (h == 0) { |
| 4680 |
gen_op_mtc1(); |
| 4681 |
GEN_STORE_FTN_FREG(rd, WT0); |
| 4682 |
} else {
|
| 4683 |
gen_op_mthc1(); |
| 4684 |
GEN_STORE_FTN_FREG(rd, WTH0); |
| 4685 |
} |
| 4686 |
break;
|
| 4687 |
case 3: |
| 4688 |
/* XXX: For now we support only a single FPU context. */
|
| 4689 |
gen_op_ctc1(rd); |
| 4690 |
break;
|
| 4691 |
/* COP2: Not implemented. */
|
| 4692 |
case 4: |
| 4693 |
case 5: |
| 4694 |
/* fall through */
|
| 4695 |
default:
|
| 4696 |
goto die;
|
| 4697 |
} |
| 4698 |
#if defined MIPS_DEBUG_DISAS
|
| 4699 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 4700 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
| 4701 |
rd, u, sel, h); |
| 4702 |
} |
| 4703 |
#endif
|
| 4704 |
return;
|
| 4705 |
|
| 4706 |
die:
|
| 4707 |
#if defined MIPS_DEBUG_DISAS
|
| 4708 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 4709 |
fprintf(logfile, "mttr (reg %d u %d sel %d h %d)\n",
|
| 4710 |
rd, u, sel, h); |
| 4711 |
} |
| 4712 |
#endif
|
| 4713 |
generate_exception(ctx, EXCP_RI); |
| 4714 |
} |
| 4715 |
|
| 4716 |
static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd) |
| 4717 |
{
|
| 4718 |
const char *opn = "ldst"; |
| 4719 |
|
| 4720 |
switch (opc) {
|
| 4721 |
case OPC_MFC0:
|
| 4722 |
if (rt == 0) { |
| 4723 |
/* Treat as NOP. */
|
| 4724 |
return;
|
| 4725 |
} |
| 4726 |
gen_mfc0(env, ctx, rd, ctx->opcode & 0x7);
|
| 4727 |
gen_op_store_T0_gpr(rt); |
| 4728 |
opn = "mfc0";
|
| 4729 |
break;
|
| 4730 |
case OPC_MTC0:
|
| 4731 |
GEN_LOAD_REG_T0(rt); |
| 4732 |
save_cpu_state(ctx, 1);
|
| 4733 |
gen_mtc0(env, ctx, rd, ctx->opcode & 0x7);
|
| 4734 |
opn = "mtc0";
|
| 4735 |
break;
|
| 4736 |
#if defined(TARGET_MIPS64)
|
| 4737 |
case OPC_DMFC0:
|
| 4738 |
check_insn(env, ctx, ISA_MIPS3); |
| 4739 |
if (rt == 0) { |
| 4740 |
/* Treat as NOP. */
|
| 4741 |
return;
|
| 4742 |
} |
| 4743 |
gen_dmfc0(env, ctx, rd, ctx->opcode & 0x7);
|
| 4744 |
gen_op_store_T0_gpr(rt); |
| 4745 |
opn = "dmfc0";
|
| 4746 |
break;
|
| 4747 |
case OPC_DMTC0:
|
| 4748 |
check_insn(env, ctx, ISA_MIPS3); |
| 4749 |
GEN_LOAD_REG_T0(rt); |
| 4750 |
save_cpu_state(ctx, 1);
|
| 4751 |
gen_dmtc0(env, ctx, rd, ctx->opcode & 0x7);
|
| 4752 |
opn = "dmtc0";
|
| 4753 |
break;
|
| 4754 |
#endif
|
| 4755 |
case OPC_MFTR:
|
| 4756 |
check_insn(env, ctx, ASE_MT); |
| 4757 |
if (rd == 0) { |
| 4758 |
/* Treat as NOP. */
|
| 4759 |
return;
|
| 4760 |
} |
| 4761 |
gen_mftr(env, ctx, rt, (ctx->opcode >> 5) & 1, |
| 4762 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
| 4763 |
gen_op_store_T0_gpr(rd); |
| 4764 |
opn = "mftr";
|
| 4765 |
break;
|
| 4766 |
case OPC_MTTR:
|
| 4767 |
check_insn(env, ctx, ASE_MT); |
| 4768 |
GEN_LOAD_REG_T0(rt); |
| 4769 |
gen_mttr(env, ctx, rd, (ctx->opcode >> 5) & 1, |
| 4770 |
ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); |
| 4771 |
opn = "mttr";
|
| 4772 |
break;
|
| 4773 |
case OPC_TLBWI:
|
| 4774 |
opn = "tlbwi";
|
| 4775 |
if (!env->tlb->do_tlbwi)
|
| 4776 |
goto die;
|
| 4777 |
gen_op_tlbwi(); |
| 4778 |
break;
|
| 4779 |
case OPC_TLBWR:
|
| 4780 |
opn = "tlbwr";
|
| 4781 |
if (!env->tlb->do_tlbwr)
|
| 4782 |
goto die;
|
| 4783 |
gen_op_tlbwr(); |
| 4784 |
break;
|
| 4785 |
case OPC_TLBP:
|
| 4786 |
opn = "tlbp";
|
| 4787 |
if (!env->tlb->do_tlbp)
|
| 4788 |
goto die;
|
| 4789 |
gen_op_tlbp(); |
| 4790 |
break;
|
| 4791 |
case OPC_TLBR:
|
| 4792 |
opn = "tlbr";
|
| 4793 |
if (!env->tlb->do_tlbr)
|
| 4794 |
goto die;
|
| 4795 |
gen_op_tlbr(); |
| 4796 |
break;
|
| 4797 |
case OPC_ERET:
|
| 4798 |
opn = "eret";
|
| 4799 |
check_insn(env, ctx, ISA_MIPS2); |
| 4800 |
save_cpu_state(ctx, 1);
|
| 4801 |
gen_op_eret(); |
| 4802 |
ctx->bstate = BS_EXCP; |
| 4803 |
break;
|
| 4804 |
case OPC_DERET:
|
| 4805 |
opn = "deret";
|
| 4806 |
check_insn(env, ctx, ISA_MIPS32); |
| 4807 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
| 4808 |
MIPS_INVAL(opn); |
| 4809 |
generate_exception(ctx, EXCP_RI); |
| 4810 |
} else {
|
| 4811 |
save_cpu_state(ctx, 1);
|
| 4812 |
gen_op_deret(); |
| 4813 |
ctx->bstate = BS_EXCP; |
| 4814 |
} |
| 4815 |
break;
|
| 4816 |
case OPC_WAIT:
|
| 4817 |
opn = "wait";
|
| 4818 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
| 4819 |
/* If we get an exception, we want to restart at next instruction */
|
| 4820 |
ctx->pc += 4;
|
| 4821 |
save_cpu_state(ctx, 1);
|
| 4822 |
ctx->pc -= 4;
|
| 4823 |
gen_op_wait(); |
| 4824 |
ctx->bstate = BS_EXCP; |
| 4825 |
break;
|
| 4826 |
default:
|
| 4827 |
die:
|
| 4828 |
MIPS_INVAL(opn); |
| 4829 |
generate_exception(ctx, EXCP_RI); |
| 4830 |
return;
|
| 4831 |
} |
| 4832 |
MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
|
| 4833 |
} |
| 4834 |
|
| 4835 |
/* CP1 Branches (before delay slot) */
|
| 4836 |
static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, |
| 4837 |
int32_t cc, int32_t offset) |
| 4838 |
{
|
| 4839 |
target_ulong btarget; |
| 4840 |
const char *opn = "cp1 cond branch"; |
| 4841 |
|
| 4842 |
if (cc != 0) |
| 4843 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 4844 |
|
| 4845 |
btarget = ctx->pc + 4 + offset;
|
| 4846 |
|
| 4847 |
switch (op) {
|
| 4848 |
case OPC_BC1F:
|
| 4849 |
gen_op_bc1f(cc); |
| 4850 |
opn = "bc1f";
|
| 4851 |
goto not_likely;
|
| 4852 |
case OPC_BC1FL:
|
| 4853 |
gen_op_bc1f(cc); |
| 4854 |
opn = "bc1fl";
|
| 4855 |
goto likely;
|
| 4856 |
case OPC_BC1T:
|
| 4857 |
gen_op_bc1t(cc); |
| 4858 |
opn = "bc1t";
|
| 4859 |
goto not_likely;
|
| 4860 |
case OPC_BC1TL:
|
| 4861 |
gen_op_bc1t(cc); |
| 4862 |
opn = "bc1tl";
|
| 4863 |
likely:
|
| 4864 |
ctx->hflags |= MIPS_HFLAG_BL; |
| 4865 |
gen_op_set_bcond(); |
| 4866 |
gen_op_save_bcond(); |
| 4867 |
break;
|
| 4868 |
case OPC_BC1FANY2:
|
| 4869 |
gen_op_bc1any2f(cc); |
| 4870 |
opn = "bc1any2f";
|
| 4871 |
goto not_likely;
|
| 4872 |
case OPC_BC1TANY2:
|
| 4873 |
gen_op_bc1any2t(cc); |
| 4874 |
opn = "bc1any2t";
|
| 4875 |
goto not_likely;
|
| 4876 |
case OPC_BC1FANY4:
|
| 4877 |
gen_op_bc1any4f(cc); |
| 4878 |
opn = "bc1any4f";
|
| 4879 |
goto not_likely;
|
| 4880 |
case OPC_BC1TANY4:
|
| 4881 |
gen_op_bc1any4t(cc); |
| 4882 |
opn = "bc1any4t";
|
| 4883 |
not_likely:
|
| 4884 |
ctx->hflags |= MIPS_HFLAG_BC; |
| 4885 |
gen_op_set_bcond(); |
| 4886 |
break;
|
| 4887 |
default:
|
| 4888 |
MIPS_INVAL(opn); |
| 4889 |
generate_exception (ctx, EXCP_RI); |
| 4890 |
return;
|
| 4891 |
} |
| 4892 |
MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
|
| 4893 |
ctx->hflags, btarget); |
| 4894 |
ctx->btarget = btarget; |
| 4895 |
} |
| 4896 |
|
| 4897 |
/* Coprocessor 1 (FPU) */
|
| 4898 |
|
| 4899 |
#define FOP(func, fmt) (((fmt) << 21) | (func)) |
| 4900 |
|
| 4901 |
static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs) |
| 4902 |
{
|
| 4903 |
const char *opn = "cp1 move"; |
| 4904 |
|
| 4905 |
switch (opc) {
|
| 4906 |
case OPC_MFC1:
|
| 4907 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 4908 |
gen_op_mfc1(); |
| 4909 |
GEN_STORE_T0_REG(rt); |
| 4910 |
opn = "mfc1";
|
| 4911 |
break;
|
| 4912 |
case OPC_MTC1:
|
| 4913 |
GEN_LOAD_REG_T0(rt); |
| 4914 |
gen_op_mtc1(); |
| 4915 |
GEN_STORE_FTN_FREG(fs, WT0); |
| 4916 |
opn = "mtc1";
|
| 4917 |
break;
|
| 4918 |
case OPC_CFC1:
|
| 4919 |
gen_op_cfc1(fs); |
| 4920 |
GEN_STORE_T0_REG(rt); |
| 4921 |
opn = "cfc1";
|
| 4922 |
break;
|
| 4923 |
case OPC_CTC1:
|
| 4924 |
GEN_LOAD_REG_T0(rt); |
| 4925 |
gen_op_ctc1(fs); |
| 4926 |
opn = "ctc1";
|
| 4927 |
break;
|
| 4928 |
case OPC_DMFC1:
|
| 4929 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 4930 |
gen_op_dmfc1(); |
| 4931 |
GEN_STORE_T0_REG(rt); |
| 4932 |
opn = "dmfc1";
|
| 4933 |
break;
|
| 4934 |
case OPC_DMTC1:
|
| 4935 |
GEN_LOAD_REG_T0(rt); |
| 4936 |
gen_op_dmtc1(); |
| 4937 |
GEN_STORE_FTN_FREG(fs, DT0); |
| 4938 |
opn = "dmtc1";
|
| 4939 |
break;
|
| 4940 |
case OPC_MFHC1:
|
| 4941 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 4942 |
gen_op_mfhc1(); |
| 4943 |
GEN_STORE_T0_REG(rt); |
| 4944 |
opn = "mfhc1";
|
| 4945 |
break;
|
| 4946 |
case OPC_MTHC1:
|
| 4947 |
GEN_LOAD_REG_T0(rt); |
| 4948 |
gen_op_mthc1(); |
| 4949 |
GEN_STORE_FTN_FREG(fs, WTH0); |
| 4950 |
opn = "mthc1";
|
| 4951 |
break;
|
| 4952 |
default:
|
| 4953 |
MIPS_INVAL(opn); |
| 4954 |
generate_exception (ctx, EXCP_RI); |
| 4955 |
return;
|
| 4956 |
} |
| 4957 |
MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
|
| 4958 |
} |
| 4959 |
|
| 4960 |
static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf) |
| 4961 |
{
|
| 4962 |
uint32_t ccbit; |
| 4963 |
|
| 4964 |
GEN_LOAD_REG_T0(rd); |
| 4965 |
GEN_LOAD_REG_T1(rs); |
| 4966 |
if (cc) {
|
| 4967 |
ccbit = 1 << (24 + cc); |
| 4968 |
} else
|
| 4969 |
ccbit = 1 << 23; |
| 4970 |
if (!tf)
|
| 4971 |
gen_op_movf(ccbit); |
| 4972 |
else
|
| 4973 |
gen_op_movt(ccbit); |
| 4974 |
GEN_STORE_T0_REG(rd); |
| 4975 |
} |
| 4976 |
|
| 4977 |
#define GEN_MOVCF(fmt) \
|
| 4978 |
static void glue(gen_movcf_, fmt) (DisasContext *ctx, int cc, int tf) \ |
| 4979 |
{ \
|
| 4980 |
uint32_t ccbit; \ |
| 4981 |
\ |
| 4982 |
if (cc) { \
|
| 4983 |
ccbit = 1 << (24 + cc); \ |
| 4984 |
} else \
|
| 4985 |
ccbit = 1 << 23; \ |
| 4986 |
if (!tf) \
|
| 4987 |
glue(gen_op_float_movf_, fmt)(ccbit); \ |
| 4988 |
else \
|
| 4989 |
glue(gen_op_float_movt_, fmt)(ccbit); \ |
| 4990 |
} |
| 4991 |
GEN_MOVCF(d); |
| 4992 |
GEN_MOVCF(s); |
| 4993 |
GEN_MOVCF(ps); |
| 4994 |
#undef GEN_MOVCF
|
| 4995 |
|
| 4996 |
static void gen_farith (DisasContext *ctx, uint32_t op1, |
| 4997 |
int ft, int fs, int fd, int cc) |
| 4998 |
{
|
| 4999 |
const char *opn = "farith"; |
| 5000 |
const char *condnames[] = { |
| 5001 |
"c.f",
|
| 5002 |
"c.un",
|
| 5003 |
"c.eq",
|
| 5004 |
"c.ueq",
|
| 5005 |
"c.olt",
|
| 5006 |
"c.ult",
|
| 5007 |
"c.ole",
|
| 5008 |
"c.ule",
|
| 5009 |
"c.sf",
|
| 5010 |
"c.ngle",
|
| 5011 |
"c.seq",
|
| 5012 |
"c.ngl",
|
| 5013 |
"c.lt",
|
| 5014 |
"c.nge",
|
| 5015 |
"c.le",
|
| 5016 |
"c.ngt",
|
| 5017 |
}; |
| 5018 |
const char *condnames_abs[] = { |
| 5019 |
"cabs.f",
|
| 5020 |
"cabs.un",
|
| 5021 |
"cabs.eq",
|
| 5022 |
"cabs.ueq",
|
| 5023 |
"cabs.olt",
|
| 5024 |
"cabs.ult",
|
| 5025 |
"cabs.ole",
|
| 5026 |
"cabs.ule",
|
| 5027 |
"cabs.sf",
|
| 5028 |
"cabs.ngle",
|
| 5029 |
"cabs.seq",
|
| 5030 |
"cabs.ngl",
|
| 5031 |
"cabs.lt",
|
| 5032 |
"cabs.nge",
|
| 5033 |
"cabs.le",
|
| 5034 |
"cabs.ngt",
|
| 5035 |
}; |
| 5036 |
enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
|
| 5037 |
uint32_t func = ctx->opcode & 0x3f;
|
| 5038 |
|
| 5039 |
switch (ctx->opcode & FOP(0x3f, 0x1f)) { |
| 5040 |
case FOP(0, 16): |
| 5041 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5042 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5043 |
gen_op_float_add_s(); |
| 5044 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5045 |
opn = "add.s";
|
| 5046 |
optype = BINOP; |
| 5047 |
break;
|
| 5048 |
case FOP(1, 16): |
| 5049 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5050 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5051 |
gen_op_float_sub_s(); |
| 5052 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5053 |
opn = "sub.s";
|
| 5054 |
optype = BINOP; |
| 5055 |
break;
|
| 5056 |
case FOP(2, 16): |
| 5057 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5058 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5059 |
gen_op_float_mul_s(); |
| 5060 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5061 |
opn = "mul.s";
|
| 5062 |
optype = BINOP; |
| 5063 |
break;
|
| 5064 |
case FOP(3, 16): |
| 5065 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5066 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5067 |
gen_op_float_div_s(); |
| 5068 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5069 |
opn = "div.s";
|
| 5070 |
optype = BINOP; |
| 5071 |
break;
|
| 5072 |
case FOP(4, 16): |
| 5073 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5074 |
gen_op_float_sqrt_s(); |
| 5075 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5076 |
opn = "sqrt.s";
|
| 5077 |
break;
|
| 5078 |
case FOP(5, 16): |
| 5079 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5080 |
gen_op_float_abs_s(); |
| 5081 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5082 |
opn = "abs.s";
|
| 5083 |
break;
|
| 5084 |
case FOP(6, 16): |
| 5085 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5086 |
gen_op_float_mov_s(); |
| 5087 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5088 |
opn = "mov.s";
|
| 5089 |
break;
|
| 5090 |
case FOP(7, 16): |
| 5091 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5092 |
gen_op_float_chs_s(); |
| 5093 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5094 |
opn = "neg.s";
|
| 5095 |
break;
|
| 5096 |
case FOP(8, 16): |
| 5097 |
check_cp1_64bitmode(ctx); |
| 5098 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5099 |
gen_op_float_roundl_s(); |
| 5100 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5101 |
opn = "round.l.s";
|
| 5102 |
break;
|
| 5103 |
case FOP(9, 16): |
| 5104 |
check_cp1_64bitmode(ctx); |
| 5105 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5106 |
gen_op_float_truncl_s(); |
| 5107 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5108 |
opn = "trunc.l.s";
|
| 5109 |
break;
|
| 5110 |
case FOP(10, 16): |
| 5111 |
check_cp1_64bitmode(ctx); |
| 5112 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5113 |
gen_op_float_ceill_s(); |
| 5114 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5115 |
opn = "ceil.l.s";
|
| 5116 |
break;
|
| 5117 |
case FOP(11, 16): |
| 5118 |
check_cp1_64bitmode(ctx); |
| 5119 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5120 |
gen_op_float_floorl_s(); |
| 5121 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5122 |
opn = "floor.l.s";
|
| 5123 |
break;
|
| 5124 |
case FOP(12, 16): |
| 5125 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5126 |
gen_op_float_roundw_s(); |
| 5127 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5128 |
opn = "round.w.s";
|
| 5129 |
break;
|
| 5130 |
case FOP(13, 16): |
| 5131 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5132 |
gen_op_float_truncw_s(); |
| 5133 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5134 |
opn = "trunc.w.s";
|
| 5135 |
break;
|
| 5136 |
case FOP(14, 16): |
| 5137 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5138 |
gen_op_float_ceilw_s(); |
| 5139 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5140 |
opn = "ceil.w.s";
|
| 5141 |
break;
|
| 5142 |
case FOP(15, 16): |
| 5143 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5144 |
gen_op_float_floorw_s(); |
| 5145 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5146 |
opn = "floor.w.s";
|
| 5147 |
break;
|
| 5148 |
case FOP(17, 16): |
| 5149 |
GEN_LOAD_REG_T0(ft); |
| 5150 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5151 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5152 |
gen_movcf_s(ctx, (ft >> 2) & 0x7, ft & 0x1); |
| 5153 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5154 |
opn = "movcf.s";
|
| 5155 |
break;
|
| 5156 |
case FOP(18, 16): |
| 5157 |
GEN_LOAD_REG_T0(ft); |
| 5158 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5159 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5160 |
gen_op_float_movz_s(); |
| 5161 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5162 |
opn = "movz.s";
|
| 5163 |
break;
|
| 5164 |
case FOP(19, 16): |
| 5165 |
GEN_LOAD_REG_T0(ft); |
| 5166 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5167 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5168 |
gen_op_float_movn_s(); |
| 5169 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5170 |
opn = "movn.s";
|
| 5171 |
break;
|
| 5172 |
case FOP(21, 16): |
| 5173 |
check_cop1x(ctx); |
| 5174 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5175 |
gen_op_float_recip_s(); |
| 5176 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5177 |
opn = "recip.s";
|
| 5178 |
break;
|
| 5179 |
case FOP(22, 16): |
| 5180 |
check_cop1x(ctx); |
| 5181 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5182 |
gen_op_float_rsqrt_s(); |
| 5183 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5184 |
opn = "rsqrt.s";
|
| 5185 |
break;
|
| 5186 |
case FOP(28, 16): |
| 5187 |
check_cp1_64bitmode(ctx); |
| 5188 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5189 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5190 |
gen_op_float_recip2_s(); |
| 5191 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5192 |
opn = "recip2.s";
|
| 5193 |
break;
|
| 5194 |
case FOP(29, 16): |
| 5195 |
check_cp1_64bitmode(ctx); |
| 5196 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5197 |
gen_op_float_recip1_s(); |
| 5198 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5199 |
opn = "recip1.s";
|
| 5200 |
break;
|
| 5201 |
case FOP(30, 16): |
| 5202 |
check_cp1_64bitmode(ctx); |
| 5203 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5204 |
gen_op_float_rsqrt1_s(); |
| 5205 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5206 |
opn = "rsqrt1.s";
|
| 5207 |
break;
|
| 5208 |
case FOP(31, 16): |
| 5209 |
check_cp1_64bitmode(ctx); |
| 5210 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5211 |
GEN_LOAD_FREG_FTN(WT2, ft); |
| 5212 |
gen_op_float_rsqrt2_s(); |
| 5213 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5214 |
opn = "rsqrt2.s";
|
| 5215 |
break;
|
| 5216 |
case FOP(33, 16): |
| 5217 |
check_cp1_registers(ctx, fd); |
| 5218 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5219 |
gen_op_float_cvtd_s(); |
| 5220 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5221 |
opn = "cvt.d.s";
|
| 5222 |
break;
|
| 5223 |
case FOP(36, 16): |
| 5224 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5225 |
gen_op_float_cvtw_s(); |
| 5226 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5227 |
opn = "cvt.w.s";
|
| 5228 |
break;
|
| 5229 |
case FOP(37, 16): |
| 5230 |
check_cp1_64bitmode(ctx); |
| 5231 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5232 |
gen_op_float_cvtl_s(); |
| 5233 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5234 |
opn = "cvt.l.s";
|
| 5235 |
break;
|
| 5236 |
case FOP(38, 16): |
| 5237 |
check_cp1_64bitmode(ctx); |
| 5238 |
GEN_LOAD_FREG_FTN(WT1, fs); |
| 5239 |
GEN_LOAD_FREG_FTN(WT0, ft); |
| 5240 |
gen_op_float_cvtps_s(); |
| 5241 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5242 |
opn = "cvt.ps.s";
|
| 5243 |
break;
|
| 5244 |
case FOP(48, 16): |
| 5245 |
case FOP(49, 16): |
| 5246 |
case FOP(50, 16): |
| 5247 |
case FOP(51, 16): |
| 5248 |
case FOP(52, 16): |
| 5249 |
case FOP(53, 16): |
| 5250 |
case FOP(54, 16): |
| 5251 |
case FOP(55, 16): |
| 5252 |
case FOP(56, 16): |
| 5253 |
case FOP(57, 16): |
| 5254 |
case FOP(58, 16): |
| 5255 |
case FOP(59, 16): |
| 5256 |
case FOP(60, 16): |
| 5257 |
case FOP(61, 16): |
| 5258 |
case FOP(62, 16): |
| 5259 |
case FOP(63, 16): |
| 5260 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5261 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5262 |
if (ctx->opcode & (1 << 6)) { |
| 5263 |
check_cop1x(ctx); |
| 5264 |
gen_cmpabs_s(func-48, cc);
|
| 5265 |
opn = condnames_abs[func-48];
|
| 5266 |
} else {
|
| 5267 |
gen_cmp_s(func-48, cc);
|
| 5268 |
opn = condnames[func-48];
|
| 5269 |
} |
| 5270 |
break;
|
| 5271 |
case FOP(0, 17): |
| 5272 |
check_cp1_registers(ctx, fs | ft | fd); |
| 5273 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5274 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5275 |
gen_op_float_add_d(); |
| 5276 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5277 |
opn = "add.d";
|
| 5278 |
optype = BINOP; |
| 5279 |
break;
|
| 5280 |
case FOP(1, 17): |
| 5281 |
check_cp1_registers(ctx, fs | ft | fd); |
| 5282 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5283 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5284 |
gen_op_float_sub_d(); |
| 5285 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5286 |
opn = "sub.d";
|
| 5287 |
optype = BINOP; |
| 5288 |
break;
|
| 5289 |
case FOP(2, 17): |
| 5290 |
check_cp1_registers(ctx, fs | ft | fd); |
| 5291 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5292 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5293 |
gen_op_float_mul_d(); |
| 5294 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5295 |
opn = "mul.d";
|
| 5296 |
optype = BINOP; |
| 5297 |
break;
|
| 5298 |
case FOP(3, 17): |
| 5299 |
check_cp1_registers(ctx, fs | ft | fd); |
| 5300 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5301 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5302 |
gen_op_float_div_d(); |
| 5303 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5304 |
opn = "div.d";
|
| 5305 |
optype = BINOP; |
| 5306 |
break;
|
| 5307 |
case FOP(4, 17): |
| 5308 |
check_cp1_registers(ctx, fs | fd); |
| 5309 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5310 |
gen_op_float_sqrt_d(); |
| 5311 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5312 |
opn = "sqrt.d";
|
| 5313 |
break;
|
| 5314 |
case FOP(5, 17): |
| 5315 |
check_cp1_registers(ctx, fs | fd); |
| 5316 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5317 |
gen_op_float_abs_d(); |
| 5318 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5319 |
opn = "abs.d";
|
| 5320 |
break;
|
| 5321 |
case FOP(6, 17): |
| 5322 |
check_cp1_registers(ctx, fs | fd); |
| 5323 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5324 |
gen_op_float_mov_d(); |
| 5325 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5326 |
opn = "mov.d";
|
| 5327 |
break;
|
| 5328 |
case FOP(7, 17): |
| 5329 |
check_cp1_registers(ctx, fs | fd); |
| 5330 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5331 |
gen_op_float_chs_d(); |
| 5332 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5333 |
opn = "neg.d";
|
| 5334 |
break;
|
| 5335 |
case FOP(8, 17): |
| 5336 |
check_cp1_64bitmode(ctx); |
| 5337 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5338 |
gen_op_float_roundl_d(); |
| 5339 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5340 |
opn = "round.l.d";
|
| 5341 |
break;
|
| 5342 |
case FOP(9, 17): |
| 5343 |
check_cp1_64bitmode(ctx); |
| 5344 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5345 |
gen_op_float_truncl_d(); |
| 5346 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5347 |
opn = "trunc.l.d";
|
| 5348 |
break;
|
| 5349 |
case FOP(10, 17): |
| 5350 |
check_cp1_64bitmode(ctx); |
| 5351 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5352 |
gen_op_float_ceill_d(); |
| 5353 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5354 |
opn = "ceil.l.d";
|
| 5355 |
break;
|
| 5356 |
case FOP(11, 17): |
| 5357 |
check_cp1_64bitmode(ctx); |
| 5358 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5359 |
gen_op_float_floorl_d(); |
| 5360 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5361 |
opn = "floor.l.d";
|
| 5362 |
break;
|
| 5363 |
case FOP(12, 17): |
| 5364 |
check_cp1_registers(ctx, fs); |
| 5365 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5366 |
gen_op_float_roundw_d(); |
| 5367 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5368 |
opn = "round.w.d";
|
| 5369 |
break;
|
| 5370 |
case FOP(13, 17): |
| 5371 |
check_cp1_registers(ctx, fs); |
| 5372 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5373 |
gen_op_float_truncw_d(); |
| 5374 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5375 |
opn = "trunc.w.d";
|
| 5376 |
break;
|
| 5377 |
case FOP(14, 17): |
| 5378 |
check_cp1_registers(ctx, fs); |
| 5379 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5380 |
gen_op_float_ceilw_d(); |
| 5381 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5382 |
opn = "ceil.w.d";
|
| 5383 |
break;
|
| 5384 |
case FOP(15, 17): |
| 5385 |
check_cp1_registers(ctx, fs); |
| 5386 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5387 |
gen_op_float_floorw_d(); |
| 5388 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5389 |
opn = "floor.w.d";
|
| 5390 |
break;
|
| 5391 |
case FOP(17, 17): |
| 5392 |
GEN_LOAD_REG_T0(ft); |
| 5393 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5394 |
GEN_LOAD_FREG_FTN(DT2, fd); |
| 5395 |
gen_movcf_d(ctx, (ft >> 2) & 0x7, ft & 0x1); |
| 5396 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5397 |
opn = "movcf.d";
|
| 5398 |
break;
|
| 5399 |
case FOP(18, 17): |
| 5400 |
GEN_LOAD_REG_T0(ft); |
| 5401 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5402 |
GEN_LOAD_FREG_FTN(DT2, fd); |
| 5403 |
gen_op_float_movz_d(); |
| 5404 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5405 |
opn = "movz.d";
|
| 5406 |
break;
|
| 5407 |
case FOP(19, 17): |
| 5408 |
GEN_LOAD_REG_T0(ft); |
| 5409 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5410 |
GEN_LOAD_FREG_FTN(DT2, fd); |
| 5411 |
gen_op_float_movn_d(); |
| 5412 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5413 |
opn = "movn.d";
|
| 5414 |
break;
|
| 5415 |
case FOP(21, 17): |
| 5416 |
check_cp1_64bitmode(ctx); |
| 5417 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5418 |
gen_op_float_recip_d(); |
| 5419 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5420 |
opn = "recip.d";
|
| 5421 |
break;
|
| 5422 |
case FOP(22, 17): |
| 5423 |
check_cp1_64bitmode(ctx); |
| 5424 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5425 |
gen_op_float_rsqrt_d(); |
| 5426 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5427 |
opn = "rsqrt.d";
|
| 5428 |
break;
|
| 5429 |
case FOP(28, 17): |
| 5430 |
check_cp1_64bitmode(ctx); |
| 5431 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5432 |
GEN_LOAD_FREG_FTN(DT2, ft); |
| 5433 |
gen_op_float_recip2_d(); |
| 5434 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5435 |
opn = "recip2.d";
|
| 5436 |
break;
|
| 5437 |
case FOP(29, 17): |
| 5438 |
check_cp1_64bitmode(ctx); |
| 5439 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5440 |
gen_op_float_recip1_d(); |
| 5441 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5442 |
opn = "recip1.d";
|
| 5443 |
break;
|
| 5444 |
case FOP(30, 17): |
| 5445 |
check_cp1_64bitmode(ctx); |
| 5446 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5447 |
gen_op_float_rsqrt1_d(); |
| 5448 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5449 |
opn = "rsqrt1.d";
|
| 5450 |
break;
|
| 5451 |
case FOP(31, 17): |
| 5452 |
check_cp1_64bitmode(ctx); |
| 5453 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5454 |
GEN_LOAD_FREG_FTN(DT2, ft); |
| 5455 |
gen_op_float_rsqrt2_d(); |
| 5456 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5457 |
opn = "rsqrt2.d";
|
| 5458 |
break;
|
| 5459 |
case FOP(48, 17): |
| 5460 |
case FOP(49, 17): |
| 5461 |
case FOP(50, 17): |
| 5462 |
case FOP(51, 17): |
| 5463 |
case FOP(52, 17): |
| 5464 |
case FOP(53, 17): |
| 5465 |
case FOP(54, 17): |
| 5466 |
case FOP(55, 17): |
| 5467 |
case FOP(56, 17): |
| 5468 |
case FOP(57, 17): |
| 5469 |
case FOP(58, 17): |
| 5470 |
case FOP(59, 17): |
| 5471 |
case FOP(60, 17): |
| 5472 |
case FOP(61, 17): |
| 5473 |
case FOP(62, 17): |
| 5474 |
case FOP(63, 17): |
| 5475 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5476 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5477 |
if (ctx->opcode & (1 << 6)) { |
| 5478 |
check_cop1x(ctx); |
| 5479 |
check_cp1_registers(ctx, fs | ft); |
| 5480 |
gen_cmpabs_d(func-48, cc);
|
| 5481 |
opn = condnames_abs[func-48];
|
| 5482 |
} else {
|
| 5483 |
check_cp1_registers(ctx, fs | ft); |
| 5484 |
gen_cmp_d(func-48, cc);
|
| 5485 |
opn = condnames[func-48];
|
| 5486 |
} |
| 5487 |
break;
|
| 5488 |
case FOP(32, 17): |
| 5489 |
check_cp1_registers(ctx, fs); |
| 5490 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5491 |
gen_op_float_cvts_d(); |
| 5492 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5493 |
opn = "cvt.s.d";
|
| 5494 |
break;
|
| 5495 |
case FOP(36, 17): |
| 5496 |
check_cp1_registers(ctx, fs); |
| 5497 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5498 |
gen_op_float_cvtw_d(); |
| 5499 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5500 |
opn = "cvt.w.d";
|
| 5501 |
break;
|
| 5502 |
case FOP(37, 17): |
| 5503 |
check_cp1_64bitmode(ctx); |
| 5504 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5505 |
gen_op_float_cvtl_d(); |
| 5506 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5507 |
opn = "cvt.l.d";
|
| 5508 |
break;
|
| 5509 |
case FOP(32, 20): |
| 5510 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5511 |
gen_op_float_cvts_w(); |
| 5512 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5513 |
opn = "cvt.s.w";
|
| 5514 |
break;
|
| 5515 |
case FOP(33, 20): |
| 5516 |
check_cp1_registers(ctx, fd); |
| 5517 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5518 |
gen_op_float_cvtd_w(); |
| 5519 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5520 |
opn = "cvt.d.w";
|
| 5521 |
break;
|
| 5522 |
case FOP(32, 21): |
| 5523 |
check_cp1_64bitmode(ctx); |
| 5524 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5525 |
gen_op_float_cvts_l(); |
| 5526 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5527 |
opn = "cvt.s.l";
|
| 5528 |
break;
|
| 5529 |
case FOP(33, 21): |
| 5530 |
check_cp1_64bitmode(ctx); |
| 5531 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5532 |
gen_op_float_cvtd_l(); |
| 5533 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5534 |
opn = "cvt.d.l";
|
| 5535 |
break;
|
| 5536 |
case FOP(38, 20): |
| 5537 |
check_cp1_64bitmode(ctx); |
| 5538 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5539 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5540 |
gen_op_float_cvtps_pw(); |
| 5541 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5542 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5543 |
opn = "cvt.ps.pw";
|
| 5544 |
break;
|
| 5545 |
case FOP(0, 22): |
| 5546 |
check_cp1_64bitmode(ctx); |
| 5547 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5548 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5549 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5550 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5551 |
gen_op_float_add_ps(); |
| 5552 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5553 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5554 |
opn = "add.ps";
|
| 5555 |
break;
|
| 5556 |
case FOP(1, 22): |
| 5557 |
check_cp1_64bitmode(ctx); |
| 5558 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5559 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5560 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5561 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5562 |
gen_op_float_sub_ps(); |
| 5563 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5564 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5565 |
opn = "sub.ps";
|
| 5566 |
break;
|
| 5567 |
case FOP(2, 22): |
| 5568 |
check_cp1_64bitmode(ctx); |
| 5569 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5570 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5571 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5572 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5573 |
gen_op_float_mul_ps(); |
| 5574 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5575 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5576 |
opn = "mul.ps";
|
| 5577 |
break;
|
| 5578 |
case FOP(5, 22): |
| 5579 |
check_cp1_64bitmode(ctx); |
| 5580 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5581 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5582 |
gen_op_float_abs_ps(); |
| 5583 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5584 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5585 |
opn = "abs.ps";
|
| 5586 |
break;
|
| 5587 |
case FOP(6, 22): |
| 5588 |
check_cp1_64bitmode(ctx); |
| 5589 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5590 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5591 |
gen_op_float_mov_ps(); |
| 5592 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5593 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5594 |
opn = "mov.ps";
|
| 5595 |
break;
|
| 5596 |
case FOP(7, 22): |
| 5597 |
check_cp1_64bitmode(ctx); |
| 5598 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5599 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5600 |
gen_op_float_chs_ps(); |
| 5601 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5602 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5603 |
opn = "neg.ps";
|
| 5604 |
break;
|
| 5605 |
case FOP(17, 22): |
| 5606 |
check_cp1_64bitmode(ctx); |
| 5607 |
GEN_LOAD_REG_T0(ft); |
| 5608 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5609 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5610 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5611 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
| 5612 |
gen_movcf_ps(ctx, (ft >> 2) & 0x7, ft & 0x1); |
| 5613 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5614 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5615 |
opn = "movcf.ps";
|
| 5616 |
break;
|
| 5617 |
case FOP(18, 22): |
| 5618 |
check_cp1_64bitmode(ctx); |
| 5619 |
GEN_LOAD_REG_T0(ft); |
| 5620 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5621 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5622 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5623 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
| 5624 |
gen_op_float_movz_ps(); |
| 5625 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5626 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5627 |
opn = "movz.ps";
|
| 5628 |
break;
|
| 5629 |
case FOP(19, 22): |
| 5630 |
check_cp1_64bitmode(ctx); |
| 5631 |
GEN_LOAD_REG_T0(ft); |
| 5632 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5633 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5634 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5635 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
| 5636 |
gen_op_float_movn_ps(); |
| 5637 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5638 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5639 |
opn = "movn.ps";
|
| 5640 |
break;
|
| 5641 |
case FOP(24, 22): |
| 5642 |
check_cp1_64bitmode(ctx); |
| 5643 |
GEN_LOAD_FREG_FTN(WT0, ft); |
| 5644 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
| 5645 |
GEN_LOAD_FREG_FTN(WT1, fs); |
| 5646 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
| 5647 |
gen_op_float_addr_ps(); |
| 5648 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5649 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5650 |
opn = "addr.ps";
|
| 5651 |
break;
|
| 5652 |
case FOP(26, 22): |
| 5653 |
check_cp1_64bitmode(ctx); |
| 5654 |
GEN_LOAD_FREG_FTN(WT0, ft); |
| 5655 |
GEN_LOAD_FREG_FTN(WTH0, ft); |
| 5656 |
GEN_LOAD_FREG_FTN(WT1, fs); |
| 5657 |
GEN_LOAD_FREG_FTN(WTH1, fs); |
| 5658 |
gen_op_float_mulr_ps(); |
| 5659 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5660 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5661 |
opn = "mulr.ps";
|
| 5662 |
break;
|
| 5663 |
case FOP(28, 22): |
| 5664 |
check_cp1_64bitmode(ctx); |
| 5665 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5666 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5667 |
GEN_LOAD_FREG_FTN(WT2, fd); |
| 5668 |
GEN_LOAD_FREG_FTN(WTH2, fd); |
| 5669 |
gen_op_float_recip2_ps(); |
| 5670 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5671 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5672 |
opn = "recip2.ps";
|
| 5673 |
break;
|
| 5674 |
case FOP(29, 22): |
| 5675 |
check_cp1_64bitmode(ctx); |
| 5676 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5677 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5678 |
gen_op_float_recip1_ps(); |
| 5679 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5680 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5681 |
opn = "recip1.ps";
|
| 5682 |
break;
|
| 5683 |
case FOP(30, 22): |
| 5684 |
check_cp1_64bitmode(ctx); |
| 5685 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5686 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5687 |
gen_op_float_rsqrt1_ps(); |
| 5688 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5689 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5690 |
opn = "rsqrt1.ps";
|
| 5691 |
break;
|
| 5692 |
case FOP(31, 22): |
| 5693 |
check_cp1_64bitmode(ctx); |
| 5694 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5695 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5696 |
GEN_LOAD_FREG_FTN(WT2, ft); |
| 5697 |
GEN_LOAD_FREG_FTN(WTH2, ft); |
| 5698 |
gen_op_float_rsqrt2_ps(); |
| 5699 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5700 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5701 |
opn = "rsqrt2.ps";
|
| 5702 |
break;
|
| 5703 |
case FOP(32, 22): |
| 5704 |
check_cp1_64bitmode(ctx); |
| 5705 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5706 |
gen_op_float_cvts_pu(); |
| 5707 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5708 |
opn = "cvt.s.pu";
|
| 5709 |
break;
|
| 5710 |
case FOP(36, 22): |
| 5711 |
check_cp1_64bitmode(ctx); |
| 5712 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5713 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5714 |
gen_op_float_cvtpw_ps(); |
| 5715 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5716 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5717 |
opn = "cvt.pw.ps";
|
| 5718 |
break;
|
| 5719 |
case FOP(40, 22): |
| 5720 |
check_cp1_64bitmode(ctx); |
| 5721 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5722 |
gen_op_float_cvts_pl(); |
| 5723 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5724 |
opn = "cvt.s.pl";
|
| 5725 |
break;
|
| 5726 |
case FOP(44, 22): |
| 5727 |
check_cp1_64bitmode(ctx); |
| 5728 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5729 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5730 |
gen_op_float_pll_ps(); |
| 5731 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5732 |
opn = "pll.ps";
|
| 5733 |
break;
|
| 5734 |
case FOP(45, 22): |
| 5735 |
check_cp1_64bitmode(ctx); |
| 5736 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5737 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5738 |
gen_op_float_plu_ps(); |
| 5739 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5740 |
opn = "plu.ps";
|
| 5741 |
break;
|
| 5742 |
case FOP(46, 22): |
| 5743 |
check_cp1_64bitmode(ctx); |
| 5744 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5745 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5746 |
gen_op_float_pul_ps(); |
| 5747 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5748 |
opn = "pul.ps";
|
| 5749 |
break;
|
| 5750 |
case FOP(47, 22): |
| 5751 |
check_cp1_64bitmode(ctx); |
| 5752 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5753 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5754 |
gen_op_float_puu_ps(); |
| 5755 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5756 |
opn = "puu.ps";
|
| 5757 |
break;
|
| 5758 |
case FOP(48, 22): |
| 5759 |
case FOP(49, 22): |
| 5760 |
case FOP(50, 22): |
| 5761 |
case FOP(51, 22): |
| 5762 |
case FOP(52, 22): |
| 5763 |
case FOP(53, 22): |
| 5764 |
case FOP(54, 22): |
| 5765 |
case FOP(55, 22): |
| 5766 |
case FOP(56, 22): |
| 5767 |
case FOP(57, 22): |
| 5768 |
case FOP(58, 22): |
| 5769 |
case FOP(59, 22): |
| 5770 |
case FOP(60, 22): |
| 5771 |
case FOP(61, 22): |
| 5772 |
case FOP(62, 22): |
| 5773 |
case FOP(63, 22): |
| 5774 |
check_cp1_64bitmode(ctx); |
| 5775 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5776 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5777 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5778 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5779 |
if (ctx->opcode & (1 << 6)) { |
| 5780 |
gen_cmpabs_ps(func-48, cc);
|
| 5781 |
opn = condnames_abs[func-48];
|
| 5782 |
} else {
|
| 5783 |
gen_cmp_ps(func-48, cc);
|
| 5784 |
opn = condnames[func-48];
|
| 5785 |
} |
| 5786 |
break;
|
| 5787 |
default:
|
| 5788 |
MIPS_INVAL(opn); |
| 5789 |
generate_exception (ctx, EXCP_RI); |
| 5790 |
return;
|
| 5791 |
} |
| 5792 |
switch (optype) {
|
| 5793 |
case BINOP:
|
| 5794 |
MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
|
| 5795 |
break;
|
| 5796 |
case CMPOP:
|
| 5797 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
|
| 5798 |
break;
|
| 5799 |
default:
|
| 5800 |
MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
|
| 5801 |
break;
|
| 5802 |
} |
| 5803 |
} |
| 5804 |
|
| 5805 |
/* Coprocessor 3 (FPU) */
|
| 5806 |
static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc, |
| 5807 |
int fd, int fs, int base, int index) |
| 5808 |
{
|
| 5809 |
const char *opn = "extended float load/store"; |
| 5810 |
int store = 0; |
| 5811 |
|
| 5812 |
if (base == 0) { |
| 5813 |
if (index == 0) |
| 5814 |
gen_op_reset_T0(); |
| 5815 |
else
|
| 5816 |
GEN_LOAD_REG_T0(index); |
| 5817 |
} else if (index == 0) { |
| 5818 |
GEN_LOAD_REG_T0(base); |
| 5819 |
} else {
|
| 5820 |
GEN_LOAD_REG_T0(base); |
| 5821 |
GEN_LOAD_REG_T1(index); |
| 5822 |
gen_op_addr_add(); |
| 5823 |
} |
| 5824 |
/* Don't do NOP if destination is zero: we must perform the actual
|
| 5825 |
memory access. */
|
| 5826 |
switch (opc) {
|
| 5827 |
case OPC_LWXC1:
|
| 5828 |
check_cop1x(ctx); |
| 5829 |
op_ldst(lwc1); |
| 5830 |
GEN_STORE_FTN_FREG(fd, WT0); |
| 5831 |
opn = "lwxc1";
|
| 5832 |
break;
|
| 5833 |
case OPC_LDXC1:
|
| 5834 |
check_cop1x(ctx); |
| 5835 |
check_cp1_registers(ctx, fd); |
| 5836 |
op_ldst(ldc1); |
| 5837 |
GEN_STORE_FTN_FREG(fd, DT0); |
| 5838 |
opn = "ldxc1";
|
| 5839 |
break;
|
| 5840 |
case OPC_LUXC1:
|
| 5841 |
check_cp1_64bitmode(ctx); |
| 5842 |
op_ldst(luxc1); |
| 5843 |
GEN_STORE_FTN_FREG(fd, DT0); |
| 5844 |
opn = "luxc1";
|
| 5845 |
break;
|
| 5846 |
case OPC_SWXC1:
|
| 5847 |
check_cop1x(ctx); |
| 5848 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5849 |
op_ldst(swc1); |
| 5850 |
opn = "swxc1";
|
| 5851 |
store = 1;
|
| 5852 |
break;
|
| 5853 |
case OPC_SDXC1:
|
| 5854 |
check_cop1x(ctx); |
| 5855 |
check_cp1_registers(ctx, fs); |
| 5856 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5857 |
op_ldst(sdc1); |
| 5858 |
opn = "sdxc1";
|
| 5859 |
store = 1;
|
| 5860 |
break;
|
| 5861 |
case OPC_SUXC1:
|
| 5862 |
check_cp1_64bitmode(ctx); |
| 5863 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5864 |
op_ldst(suxc1); |
| 5865 |
opn = "suxc1";
|
| 5866 |
store = 1;
|
| 5867 |
break;
|
| 5868 |
default:
|
| 5869 |
MIPS_INVAL(opn); |
| 5870 |
generate_exception(ctx, EXCP_RI); |
| 5871 |
return;
|
| 5872 |
} |
| 5873 |
MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
|
| 5874 |
regnames[index], regnames[base]); |
| 5875 |
} |
| 5876 |
|
| 5877 |
static void gen_flt3_arith (DisasContext *ctx, uint32_t opc, |
| 5878 |
int fd, int fr, int fs, int ft) |
| 5879 |
{
|
| 5880 |
const char *opn = "flt3_arith"; |
| 5881 |
|
| 5882 |
switch (opc) {
|
| 5883 |
case OPC_ALNV_PS:
|
| 5884 |
check_cp1_64bitmode(ctx); |
| 5885 |
GEN_LOAD_REG_T0(fr); |
| 5886 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5887 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5888 |
gen_op_float_alnv_ps(); |
| 5889 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5890 |
opn = "alnv.ps";
|
| 5891 |
break;
|
| 5892 |
case OPC_MADD_S:
|
| 5893 |
check_cop1x(ctx); |
| 5894 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5895 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5896 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 5897 |
gen_op_float_muladd_s(); |
| 5898 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5899 |
opn = "madd.s";
|
| 5900 |
break;
|
| 5901 |
case OPC_MADD_D:
|
| 5902 |
check_cop1x(ctx); |
| 5903 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 5904 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5905 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5906 |
GEN_LOAD_FREG_FTN(DT2, fr); |
| 5907 |
gen_op_float_muladd_d(); |
| 5908 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5909 |
opn = "madd.d";
|
| 5910 |
break;
|
| 5911 |
case OPC_MADD_PS:
|
| 5912 |
check_cp1_64bitmode(ctx); |
| 5913 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5914 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5915 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5916 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5917 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 5918 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
| 5919 |
gen_op_float_muladd_ps(); |
| 5920 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5921 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5922 |
opn = "madd.ps";
|
| 5923 |
break;
|
| 5924 |
case OPC_MSUB_S:
|
| 5925 |
check_cop1x(ctx); |
| 5926 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5927 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5928 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 5929 |
gen_op_float_mulsub_s(); |
| 5930 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5931 |
opn = "msub.s";
|
| 5932 |
break;
|
| 5933 |
case OPC_MSUB_D:
|
| 5934 |
check_cop1x(ctx); |
| 5935 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 5936 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5937 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5938 |
GEN_LOAD_FREG_FTN(DT2, fr); |
| 5939 |
gen_op_float_mulsub_d(); |
| 5940 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5941 |
opn = "msub.d";
|
| 5942 |
break;
|
| 5943 |
case OPC_MSUB_PS:
|
| 5944 |
check_cp1_64bitmode(ctx); |
| 5945 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5946 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5947 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5948 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5949 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 5950 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
| 5951 |
gen_op_float_mulsub_ps(); |
| 5952 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5953 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5954 |
opn = "msub.ps";
|
| 5955 |
break;
|
| 5956 |
case OPC_NMADD_S:
|
| 5957 |
check_cop1x(ctx); |
| 5958 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5959 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5960 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 5961 |
gen_op_float_nmuladd_s(); |
| 5962 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5963 |
opn = "nmadd.s";
|
| 5964 |
break;
|
| 5965 |
case OPC_NMADD_D:
|
| 5966 |
check_cop1x(ctx); |
| 5967 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 5968 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 5969 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 5970 |
GEN_LOAD_FREG_FTN(DT2, fr); |
| 5971 |
gen_op_float_nmuladd_d(); |
| 5972 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 5973 |
opn = "nmadd.d";
|
| 5974 |
break;
|
| 5975 |
case OPC_NMADD_PS:
|
| 5976 |
check_cp1_64bitmode(ctx); |
| 5977 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5978 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 5979 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5980 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 5981 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 5982 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
| 5983 |
gen_op_float_nmuladd_ps(); |
| 5984 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5985 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 5986 |
opn = "nmadd.ps";
|
| 5987 |
break;
|
| 5988 |
case OPC_NMSUB_S:
|
| 5989 |
check_cop1x(ctx); |
| 5990 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 5991 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 5992 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 5993 |
gen_op_float_nmulsub_s(); |
| 5994 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 5995 |
opn = "nmsub.s";
|
| 5996 |
break;
|
| 5997 |
case OPC_NMSUB_D:
|
| 5998 |
check_cop1x(ctx); |
| 5999 |
check_cp1_registers(ctx, fd | fs | ft | fr); |
| 6000 |
GEN_LOAD_FREG_FTN(DT0, fs); |
| 6001 |
GEN_LOAD_FREG_FTN(DT1, ft); |
| 6002 |
GEN_LOAD_FREG_FTN(DT2, fr); |
| 6003 |
gen_op_float_nmulsub_d(); |
| 6004 |
GEN_STORE_FTN_FREG(fd, DT2); |
| 6005 |
opn = "nmsub.d";
|
| 6006 |
break;
|
| 6007 |
case OPC_NMSUB_PS:
|
| 6008 |
check_cp1_64bitmode(ctx); |
| 6009 |
GEN_LOAD_FREG_FTN(WT0, fs); |
| 6010 |
GEN_LOAD_FREG_FTN(WTH0, fs); |
| 6011 |
GEN_LOAD_FREG_FTN(WT1, ft); |
| 6012 |
GEN_LOAD_FREG_FTN(WTH1, ft); |
| 6013 |
GEN_LOAD_FREG_FTN(WT2, fr); |
| 6014 |
GEN_LOAD_FREG_FTN(WTH2, fr); |
| 6015 |
gen_op_float_nmulsub_ps(); |
| 6016 |
GEN_STORE_FTN_FREG(fd, WT2); |
| 6017 |
GEN_STORE_FTN_FREG(fd, WTH2); |
| 6018 |
opn = "nmsub.ps";
|
| 6019 |
break;
|
| 6020 |
default:
|
| 6021 |
MIPS_INVAL(opn); |
| 6022 |
generate_exception (ctx, EXCP_RI); |
| 6023 |
return;
|
| 6024 |
} |
| 6025 |
MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
|
| 6026 |
fregnames[fs], fregnames[ft]); |
| 6027 |
} |
| 6028 |
|
| 6029 |
/* ISA extensions (ASEs) */
|
| 6030 |
/* MIPS16 extension to MIPS32 */
|
| 6031 |
/* SmartMIPS extension to MIPS32 */
|
| 6032 |
|
| 6033 |
#if defined(TARGET_MIPS64)
|
| 6034 |
|
| 6035 |
/* MDMX extension to MIPS64 */
|
| 6036 |
|
| 6037 |
#endif
|
| 6038 |
|
| 6039 |
static void decode_opc (CPUState *env, DisasContext *ctx) |
| 6040 |
{
|
| 6041 |
int32_t offset; |
| 6042 |
int rs, rt, rd, sa;
|
| 6043 |
uint32_t op, op1, op2; |
| 6044 |
int16_t imm; |
| 6045 |
|
| 6046 |
/* make sure instructions are on a word boundary */
|
| 6047 |
if (ctx->pc & 0x3) { |
| 6048 |
env->CP0_BadVAddr = ctx->pc; |
| 6049 |
generate_exception(ctx, EXCP_AdEL); |
| 6050 |
return;
|
| 6051 |
} |
| 6052 |
|
| 6053 |
if ((ctx->hflags & MIPS_HFLAG_BMASK) == MIPS_HFLAG_BL) {
|
| 6054 |
int l1;
|
| 6055 |
/* Handle blikely not taken case */
|
| 6056 |
MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4); |
| 6057 |
l1 = gen_new_label(); |
| 6058 |
gen_op_jnz_T2(l1); |
| 6059 |
gen_op_save_state(ctx->hflags & ~MIPS_HFLAG_BMASK); |
| 6060 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
| 6061 |
gen_set_label(l1); |
| 6062 |
} |
| 6063 |
op = MASK_OP_MAJOR(ctx->opcode); |
| 6064 |
rs = (ctx->opcode >> 21) & 0x1f; |
| 6065 |
rt = (ctx->opcode >> 16) & 0x1f; |
| 6066 |
rd = (ctx->opcode >> 11) & 0x1f; |
| 6067 |
sa = (ctx->opcode >> 6) & 0x1f; |
| 6068 |
imm = (int16_t)ctx->opcode; |
| 6069 |
switch (op) {
|
| 6070 |
case OPC_SPECIAL:
|
| 6071 |
op1 = MASK_SPECIAL(ctx->opcode); |
| 6072 |
switch (op1) {
|
| 6073 |
case OPC_SLL: /* Arithmetic with immediate */ |
| 6074 |
case OPC_SRL ... OPC_SRA:
|
| 6075 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
| 6076 |
break;
|
| 6077 |
case OPC_MOVZ ... OPC_MOVN:
|
| 6078 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 6079 |
case OPC_SLLV: /* Arithmetic */ |
| 6080 |
case OPC_SRLV ... OPC_SRAV:
|
| 6081 |
case OPC_ADD ... OPC_NOR:
|
| 6082 |
case OPC_SLT ... OPC_SLTU:
|
| 6083 |
gen_arith(env, ctx, op1, rd, rs, rt); |
| 6084 |
break;
|
| 6085 |
case OPC_MULT ... OPC_DIVU:
|
| 6086 |
if (sa) {
|
| 6087 |
check_insn(env, ctx, INSN_VR54XX); |
| 6088 |
op1 = MASK_MUL_VR54XX(ctx->opcode); |
| 6089 |
gen_mul_vr54xx(ctx, op1, rd, rs, rt); |
| 6090 |
} else
|
| 6091 |
gen_muldiv(ctx, op1, rs, rt); |
| 6092 |
break;
|
| 6093 |
case OPC_JR ... OPC_JALR:
|
| 6094 |
gen_compute_branch(ctx, op1, rs, rd, sa); |
| 6095 |
return;
|
| 6096 |
case OPC_TGE ... OPC_TEQ: /* Traps */ |
| 6097 |
case OPC_TNE:
|
| 6098 |
gen_trap(ctx, op1, rs, rt, -1);
|
| 6099 |
break;
|
| 6100 |
case OPC_MFHI: /* Move from HI/LO */ |
| 6101 |
case OPC_MFLO:
|
| 6102 |
gen_HILO(ctx, op1, rd); |
| 6103 |
break;
|
| 6104 |
case OPC_MTHI:
|
| 6105 |
case OPC_MTLO: /* Move to HI/LO */ |
| 6106 |
gen_HILO(ctx, op1, rs); |
| 6107 |
break;
|
| 6108 |
case OPC_PMON: /* Pmon entry point, also R4010 selsl */ |
| 6109 |
#ifdef MIPS_STRICT_STANDARD
|
| 6110 |
MIPS_INVAL("PMON / selsl");
|
| 6111 |
generate_exception(ctx, EXCP_RI); |
| 6112 |
#else
|
| 6113 |
gen_op_pmon(sa); |
| 6114 |
#endif
|
| 6115 |
break;
|
| 6116 |
case OPC_SYSCALL:
|
| 6117 |
generate_exception(ctx, EXCP_SYSCALL); |
| 6118 |
break;
|
| 6119 |
case OPC_BREAK:
|
| 6120 |
generate_exception(ctx, EXCP_BREAK); |
| 6121 |
break;
|
| 6122 |
case OPC_SPIM:
|
| 6123 |
#ifdef MIPS_STRICT_STANDARD
|
| 6124 |
MIPS_INVAL("SPIM");
|
| 6125 |
generate_exception(ctx, EXCP_RI); |
| 6126 |
#else
|
| 6127 |
/* Implemented as RI exception for now. */
|
| 6128 |
MIPS_INVAL("spim (unofficial)");
|
| 6129 |
generate_exception(ctx, EXCP_RI); |
| 6130 |
#endif
|
| 6131 |
break;
|
| 6132 |
case OPC_SYNC:
|
| 6133 |
/* Treat as NOP. */
|
| 6134 |
break;
|
| 6135 |
|
| 6136 |
case OPC_MOVCI:
|
| 6137 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 6138 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 6139 |
save_cpu_state(ctx, 1);
|
| 6140 |
check_cp1_enabled(ctx); |
| 6141 |
gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, |
| 6142 |
(ctx->opcode >> 16) & 1); |
| 6143 |
} else {
|
| 6144 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 6145 |
} |
| 6146 |
break;
|
| 6147 |
|
| 6148 |
#if defined(TARGET_MIPS64)
|
| 6149 |
/* MIPS64 specific opcodes */
|
| 6150 |
case OPC_DSLL:
|
| 6151 |
case OPC_DSRL ... OPC_DSRA:
|
| 6152 |
case OPC_DSLL32:
|
| 6153 |
case OPC_DSRL32 ... OPC_DSRA32:
|
| 6154 |
check_insn(env, ctx, ISA_MIPS3); |
| 6155 |
check_mips_64(ctx); |
| 6156 |
gen_arith_imm(env, ctx, op1, rd, rt, sa); |
| 6157 |
break;
|
| 6158 |
case OPC_DSLLV:
|
| 6159 |
case OPC_DSRLV ... OPC_DSRAV:
|
| 6160 |
case OPC_DADD ... OPC_DSUBU:
|
| 6161 |
check_insn(env, ctx, ISA_MIPS3); |
| 6162 |
check_mips_64(ctx); |
| 6163 |
gen_arith(env, ctx, op1, rd, rs, rt); |
| 6164 |
break;
|
| 6165 |
case OPC_DMULT ... OPC_DDIVU:
|
| 6166 |
check_insn(env, ctx, ISA_MIPS3); |
| 6167 |
check_mips_64(ctx); |
| 6168 |
gen_muldiv(ctx, op1, rs, rt); |
| 6169 |
break;
|
| 6170 |
#endif
|
| 6171 |
default: /* Invalid */ |
| 6172 |
MIPS_INVAL("special");
|
| 6173 |
generate_exception(ctx, EXCP_RI); |
| 6174 |
break;
|
| 6175 |
} |
| 6176 |
break;
|
| 6177 |
case OPC_SPECIAL2:
|
| 6178 |
op1 = MASK_SPECIAL2(ctx->opcode); |
| 6179 |
switch (op1) {
|
| 6180 |
case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */ |
| 6181 |
case OPC_MSUB ... OPC_MSUBU:
|
| 6182 |
check_insn(env, ctx, ISA_MIPS32); |
| 6183 |
gen_muldiv(ctx, op1, rs, rt); |
| 6184 |
break;
|
| 6185 |
case OPC_MUL:
|
| 6186 |
gen_arith(env, ctx, op1, rd, rs, rt); |
| 6187 |
break;
|
| 6188 |
case OPC_CLZ ... OPC_CLO:
|
| 6189 |
check_insn(env, ctx, ISA_MIPS32); |
| 6190 |
gen_cl(ctx, op1, rd, rs); |
| 6191 |
break;
|
| 6192 |
case OPC_SDBBP:
|
| 6193 |
/* XXX: not clear which exception should be raised
|
| 6194 |
* when in debug mode...
|
| 6195 |
*/
|
| 6196 |
check_insn(env, ctx, ISA_MIPS32); |
| 6197 |
if (!(ctx->hflags & MIPS_HFLAG_DM)) {
|
| 6198 |
generate_exception(ctx, EXCP_DBp); |
| 6199 |
} else {
|
| 6200 |
generate_exception(ctx, EXCP_DBp); |
| 6201 |
} |
| 6202 |
/* Treat as NOP. */
|
| 6203 |
break;
|
| 6204 |
#if defined(TARGET_MIPS64)
|
| 6205 |
case OPC_DCLZ ... OPC_DCLO:
|
| 6206 |
check_insn(env, ctx, ISA_MIPS64); |
| 6207 |
check_mips_64(ctx); |
| 6208 |
gen_cl(ctx, op1, rd, rs); |
| 6209 |
break;
|
| 6210 |
#endif
|
| 6211 |
default: /* Invalid */ |
| 6212 |
MIPS_INVAL("special2");
|
| 6213 |
generate_exception(ctx, EXCP_RI); |
| 6214 |
break;
|
| 6215 |
} |
| 6216 |
break;
|
| 6217 |
case OPC_SPECIAL3:
|
| 6218 |
op1 = MASK_SPECIAL3(ctx->opcode); |
| 6219 |
switch (op1) {
|
| 6220 |
case OPC_EXT:
|
| 6221 |
case OPC_INS:
|
| 6222 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6223 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
| 6224 |
break;
|
| 6225 |
case OPC_BSHFL:
|
| 6226 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6227 |
op2 = MASK_BSHFL(ctx->opcode); |
| 6228 |
switch (op2) {
|
| 6229 |
case OPC_WSBH:
|
| 6230 |
GEN_LOAD_REG_T1(rt); |
| 6231 |
gen_op_wsbh(); |
| 6232 |
break;
|
| 6233 |
case OPC_SEB:
|
| 6234 |
GEN_LOAD_REG_T1(rt); |
| 6235 |
gen_op_seb(); |
| 6236 |
break;
|
| 6237 |
case OPC_SEH:
|
| 6238 |
GEN_LOAD_REG_T1(rt); |
| 6239 |
gen_op_seh(); |
| 6240 |
break;
|
| 6241 |
default: /* Invalid */ |
| 6242 |
MIPS_INVAL("bshfl");
|
| 6243 |
generate_exception(ctx, EXCP_RI); |
| 6244 |
break;
|
| 6245 |
} |
| 6246 |
GEN_STORE_T0_REG(rd); |
| 6247 |
break;
|
| 6248 |
case OPC_RDHWR:
|
| 6249 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6250 |
switch (rd) {
|
| 6251 |
case 0: |
| 6252 |
save_cpu_state(ctx, 1);
|
| 6253 |
gen_op_rdhwr_cpunum(); |
| 6254 |
break;
|
| 6255 |
case 1: |
| 6256 |
save_cpu_state(ctx, 1);
|
| 6257 |
gen_op_rdhwr_synci_step(); |
| 6258 |
break;
|
| 6259 |
case 2: |
| 6260 |
save_cpu_state(ctx, 1);
|
| 6261 |
gen_op_rdhwr_cc(); |
| 6262 |
break;
|
| 6263 |
case 3: |
| 6264 |
save_cpu_state(ctx, 1);
|
| 6265 |
gen_op_rdhwr_ccres(); |
| 6266 |
break;
|
| 6267 |
case 29: |
| 6268 |
#if defined (CONFIG_USER_ONLY)
|
| 6269 |
gen_op_tls_value(); |
| 6270 |
break;
|
| 6271 |
#endif
|
| 6272 |
default: /* Invalid */ |
| 6273 |
MIPS_INVAL("rdhwr");
|
| 6274 |
generate_exception(ctx, EXCP_RI); |
| 6275 |
break;
|
| 6276 |
} |
| 6277 |
GEN_STORE_T0_REG(rt); |
| 6278 |
break;
|
| 6279 |
case OPC_FORK:
|
| 6280 |
check_insn(env, ctx, ASE_MT); |
| 6281 |
GEN_LOAD_REG_T0(rt); |
| 6282 |
GEN_LOAD_REG_T1(rs); |
| 6283 |
gen_op_fork(); |
| 6284 |
break;
|
| 6285 |
case OPC_YIELD:
|
| 6286 |
check_insn(env, ctx, ASE_MT); |
| 6287 |
GEN_LOAD_REG_T0(rs); |
| 6288 |
gen_op_yield(); |
| 6289 |
GEN_STORE_T0_REG(rd); |
| 6290 |
break;
|
| 6291 |
#if defined(TARGET_MIPS64)
|
| 6292 |
case OPC_DEXTM ... OPC_DEXT:
|
| 6293 |
case OPC_DINSM ... OPC_DINS:
|
| 6294 |
check_insn(env, ctx, ISA_MIPS64R2); |
| 6295 |
check_mips_64(ctx); |
| 6296 |
gen_bitops(ctx, op1, rt, rs, sa, rd); |
| 6297 |
break;
|
| 6298 |
case OPC_DBSHFL:
|
| 6299 |
check_insn(env, ctx, ISA_MIPS64R2); |
| 6300 |
check_mips_64(ctx); |
| 6301 |
op2 = MASK_DBSHFL(ctx->opcode); |
| 6302 |
switch (op2) {
|
| 6303 |
case OPC_DSBH:
|
| 6304 |
GEN_LOAD_REG_T1(rt); |
| 6305 |
gen_op_dsbh(); |
| 6306 |
break;
|
| 6307 |
case OPC_DSHD:
|
| 6308 |
GEN_LOAD_REG_T1(rt); |
| 6309 |
gen_op_dshd(); |
| 6310 |
break;
|
| 6311 |
default: /* Invalid */ |
| 6312 |
MIPS_INVAL("dbshfl");
|
| 6313 |
generate_exception(ctx, EXCP_RI); |
| 6314 |
break;
|
| 6315 |
} |
| 6316 |
GEN_STORE_T0_REG(rd); |
| 6317 |
break;
|
| 6318 |
#endif
|
| 6319 |
default: /* Invalid */ |
| 6320 |
MIPS_INVAL("special3");
|
| 6321 |
generate_exception(ctx, EXCP_RI); |
| 6322 |
break;
|
| 6323 |
} |
| 6324 |
break;
|
| 6325 |
case OPC_REGIMM:
|
| 6326 |
op1 = MASK_REGIMM(ctx->opcode); |
| 6327 |
switch (op1) {
|
| 6328 |
case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */ |
| 6329 |
case OPC_BLTZAL ... OPC_BGEZALL:
|
| 6330 |
gen_compute_branch(ctx, op1, rs, -1, imm << 2); |
| 6331 |
return;
|
| 6332 |
case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */ |
| 6333 |
case OPC_TNEI:
|
| 6334 |
gen_trap(ctx, op1, rs, -1, imm);
|
| 6335 |
break;
|
| 6336 |
case OPC_SYNCI:
|
| 6337 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6338 |
/* Treat as NOP. */
|
| 6339 |
break;
|
| 6340 |
default: /* Invalid */ |
| 6341 |
MIPS_INVAL("regimm");
|
| 6342 |
generate_exception(ctx, EXCP_RI); |
| 6343 |
break;
|
| 6344 |
} |
| 6345 |
break;
|
| 6346 |
case OPC_CP0:
|
| 6347 |
check_cp0_enabled(ctx); |
| 6348 |
op1 = MASK_CP0(ctx->opcode); |
| 6349 |
switch (op1) {
|
| 6350 |
case OPC_MFC0:
|
| 6351 |
case OPC_MTC0:
|
| 6352 |
case OPC_MFTR:
|
| 6353 |
case OPC_MTTR:
|
| 6354 |
#if defined(TARGET_MIPS64)
|
| 6355 |
case OPC_DMFC0:
|
| 6356 |
case OPC_DMTC0:
|
| 6357 |
#endif
|
| 6358 |
gen_cp0(env, ctx, op1, rt, rd); |
| 6359 |
break;
|
| 6360 |
case OPC_C0_FIRST ... OPC_C0_LAST:
|
| 6361 |
gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); |
| 6362 |
break;
|
| 6363 |
case OPC_MFMC0:
|
| 6364 |
op2 = MASK_MFMC0(ctx->opcode); |
| 6365 |
switch (op2) {
|
| 6366 |
case OPC_DMT:
|
| 6367 |
check_insn(env, ctx, ASE_MT); |
| 6368 |
gen_op_dmt(); |
| 6369 |
break;
|
| 6370 |
case OPC_EMT:
|
| 6371 |
check_insn(env, ctx, ASE_MT); |
| 6372 |
gen_op_emt(); |
| 6373 |
break;
|
| 6374 |
case OPC_DVPE:
|
| 6375 |
check_insn(env, ctx, ASE_MT); |
| 6376 |
gen_op_dvpe(); |
| 6377 |
break;
|
| 6378 |
case OPC_EVPE:
|
| 6379 |
check_insn(env, ctx, ASE_MT); |
| 6380 |
gen_op_evpe(); |
| 6381 |
break;
|
| 6382 |
case OPC_DI:
|
| 6383 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6384 |
save_cpu_state(ctx, 1);
|
| 6385 |
gen_op_di(); |
| 6386 |
/* Stop translation as we may have switched the execution mode */
|
| 6387 |
ctx->bstate = BS_STOP; |
| 6388 |
break;
|
| 6389 |
case OPC_EI:
|
| 6390 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6391 |
save_cpu_state(ctx, 1);
|
| 6392 |
gen_op_ei(); |
| 6393 |
/* Stop translation as we may have switched the execution mode */
|
| 6394 |
ctx->bstate = BS_STOP; |
| 6395 |
break;
|
| 6396 |
default: /* Invalid */ |
| 6397 |
MIPS_INVAL("mfmc0");
|
| 6398 |
generate_exception(ctx, EXCP_RI); |
| 6399 |
break;
|
| 6400 |
} |
| 6401 |
GEN_STORE_T0_REG(rt); |
| 6402 |
break;
|
| 6403 |
case OPC_RDPGPR:
|
| 6404 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6405 |
GEN_LOAD_SRSREG_TN(T0, rt); |
| 6406 |
GEN_STORE_T0_REG(rd); |
| 6407 |
break;
|
| 6408 |
case OPC_WRPGPR:
|
| 6409 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6410 |
GEN_LOAD_REG_T0(rt); |
| 6411 |
GEN_STORE_TN_SRSREG(rd, T0); |
| 6412 |
break;
|
| 6413 |
default:
|
| 6414 |
MIPS_INVAL("cp0");
|
| 6415 |
generate_exception(ctx, EXCP_RI); |
| 6416 |
break;
|
| 6417 |
} |
| 6418 |
break;
|
| 6419 |
case OPC_ADDI ... OPC_LUI: /* Arithmetic with immediate opcode */ |
| 6420 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
| 6421 |
break;
|
| 6422 |
case OPC_J ... OPC_JAL: /* Jump */ |
| 6423 |
offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; |
| 6424 |
gen_compute_branch(ctx, op, rs, rt, offset); |
| 6425 |
return;
|
| 6426 |
case OPC_BEQ ... OPC_BGTZ: /* Branch */ |
| 6427 |
case OPC_BEQL ... OPC_BGTZL:
|
| 6428 |
gen_compute_branch(ctx, op, rs, rt, imm << 2);
|
| 6429 |
return;
|
| 6430 |
case OPC_LB ... OPC_LWR: /* Load and stores */ |
| 6431 |
case OPC_SB ... OPC_SW:
|
| 6432 |
case OPC_SWR:
|
| 6433 |
case OPC_LL:
|
| 6434 |
case OPC_SC:
|
| 6435 |
gen_ldst(ctx, op, rt, rs, imm); |
| 6436 |
break;
|
| 6437 |
case OPC_CACHE:
|
| 6438 |
check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32); |
| 6439 |
/* Treat as NOP. */
|
| 6440 |
break;
|
| 6441 |
case OPC_PREF:
|
| 6442 |
check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32); |
| 6443 |
/* Treat as NOP. */
|
| 6444 |
break;
|
| 6445 |
|
| 6446 |
/* Floating point (COP1). */
|
| 6447 |
case OPC_LWC1:
|
| 6448 |
case OPC_LDC1:
|
| 6449 |
case OPC_SWC1:
|
| 6450 |
case OPC_SDC1:
|
| 6451 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 6452 |
save_cpu_state(ctx, 1);
|
| 6453 |
check_cp1_enabled(ctx); |
| 6454 |
gen_flt_ldst(ctx, op, rt, rs, imm); |
| 6455 |
} else {
|
| 6456 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 6457 |
} |
| 6458 |
break;
|
| 6459 |
|
| 6460 |
case OPC_CP1:
|
| 6461 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 6462 |
save_cpu_state(ctx, 1);
|
| 6463 |
check_cp1_enabled(ctx); |
| 6464 |
op1 = MASK_CP1(ctx->opcode); |
| 6465 |
switch (op1) {
|
| 6466 |
case OPC_MFHC1:
|
| 6467 |
case OPC_MTHC1:
|
| 6468 |
check_insn(env, ctx, ISA_MIPS32R2); |
| 6469 |
case OPC_MFC1:
|
| 6470 |
case OPC_CFC1:
|
| 6471 |
case OPC_MTC1:
|
| 6472 |
case OPC_CTC1:
|
| 6473 |
gen_cp1(ctx, op1, rt, rd); |
| 6474 |
break;
|
| 6475 |
#if defined(TARGET_MIPS64)
|
| 6476 |
case OPC_DMFC1:
|
| 6477 |
case OPC_DMTC1:
|
| 6478 |
check_insn(env, ctx, ISA_MIPS3); |
| 6479 |
gen_cp1(ctx, op1, rt, rd); |
| 6480 |
break;
|
| 6481 |
#endif
|
| 6482 |
case OPC_BC1ANY2:
|
| 6483 |
case OPC_BC1ANY4:
|
| 6484 |
check_cop1x(ctx); |
| 6485 |
check_insn(env, ctx, ASE_MIPS3D); |
| 6486 |
/* fall through */
|
| 6487 |
case OPC_BC1:
|
| 6488 |
gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode), |
| 6489 |
(rt >> 2) & 0x7, imm << 2); |
| 6490 |
return;
|
| 6491 |
case OPC_S_FMT:
|
| 6492 |
case OPC_D_FMT:
|
| 6493 |
case OPC_W_FMT:
|
| 6494 |
case OPC_L_FMT:
|
| 6495 |
case OPC_PS_FMT:
|
| 6496 |
gen_farith(ctx, MASK_CP1_FUNC(ctx->opcode), rt, rd, sa, |
| 6497 |
(imm >> 8) & 0x7); |
| 6498 |
break;
|
| 6499 |
default:
|
| 6500 |
MIPS_INVAL("cp1");
|
| 6501 |
generate_exception (ctx, EXCP_RI); |
| 6502 |
break;
|
| 6503 |
} |
| 6504 |
} else {
|
| 6505 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 6506 |
} |
| 6507 |
break;
|
| 6508 |
|
| 6509 |
/* COP2. */
|
| 6510 |
case OPC_LWC2:
|
| 6511 |
case OPC_LDC2:
|
| 6512 |
case OPC_SWC2:
|
| 6513 |
case OPC_SDC2:
|
| 6514 |
case OPC_CP2:
|
| 6515 |
/* COP2: Not implemented. */
|
| 6516 |
generate_exception_err(ctx, EXCP_CpU, 2);
|
| 6517 |
break;
|
| 6518 |
|
| 6519 |
case OPC_CP3:
|
| 6520 |
if (env->CP0_Config1 & (1 << CP0C1_FP)) { |
| 6521 |
save_cpu_state(ctx, 1);
|
| 6522 |
check_cp1_enabled(ctx); |
| 6523 |
op1 = MASK_CP3(ctx->opcode); |
| 6524 |
switch (op1) {
|
| 6525 |
case OPC_LWXC1:
|
| 6526 |
case OPC_LDXC1:
|
| 6527 |
case OPC_LUXC1:
|
| 6528 |
case OPC_SWXC1:
|
| 6529 |
case OPC_SDXC1:
|
| 6530 |
case OPC_SUXC1:
|
| 6531 |
gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); |
| 6532 |
break;
|
| 6533 |
case OPC_PREFX:
|
| 6534 |
/* Treat as NOP. */
|
| 6535 |
break;
|
| 6536 |
case OPC_ALNV_PS:
|
| 6537 |
case OPC_MADD_S:
|
| 6538 |
case OPC_MADD_D:
|
| 6539 |
case OPC_MADD_PS:
|
| 6540 |
case OPC_MSUB_S:
|
| 6541 |
case OPC_MSUB_D:
|
| 6542 |
case OPC_MSUB_PS:
|
| 6543 |
case OPC_NMADD_S:
|
| 6544 |
case OPC_NMADD_D:
|
| 6545 |
case OPC_NMADD_PS:
|
| 6546 |
case OPC_NMSUB_S:
|
| 6547 |
case OPC_NMSUB_D:
|
| 6548 |
case OPC_NMSUB_PS:
|
| 6549 |
gen_flt3_arith(ctx, op1, sa, rs, rd, rt); |
| 6550 |
break;
|
| 6551 |
default:
|
| 6552 |
MIPS_INVAL("cp3");
|
| 6553 |
generate_exception (ctx, EXCP_RI); |
| 6554 |
break;
|
| 6555 |
} |
| 6556 |
} else {
|
| 6557 |
generate_exception_err(ctx, EXCP_CpU, 1);
|
| 6558 |
} |
| 6559 |
break;
|
| 6560 |
|
| 6561 |
#if defined(TARGET_MIPS64)
|
| 6562 |
/* MIPS64 opcodes */
|
| 6563 |
case OPC_LWU:
|
| 6564 |
case OPC_LDL ... OPC_LDR:
|
| 6565 |
case OPC_SDL ... OPC_SDR:
|
| 6566 |
case OPC_LLD:
|
| 6567 |
case OPC_LD:
|
| 6568 |
case OPC_SCD:
|
| 6569 |
case OPC_SD:
|
| 6570 |
check_insn(env, ctx, ISA_MIPS3); |
| 6571 |
check_mips_64(ctx); |
| 6572 |
gen_ldst(ctx, op, rt, rs, imm); |
| 6573 |
break;
|
| 6574 |
case OPC_DADDI ... OPC_DADDIU:
|
| 6575 |
check_insn(env, ctx, ISA_MIPS3); |
| 6576 |
check_mips_64(ctx); |
| 6577 |
gen_arith_imm(env, ctx, op, rt, rs, imm); |
| 6578 |
break;
|
| 6579 |
#endif
|
| 6580 |
case OPC_JALX:
|
| 6581 |
check_insn(env, ctx, ASE_MIPS16); |
| 6582 |
/* MIPS16: Not implemented. */
|
| 6583 |
case OPC_MDMX:
|
| 6584 |
check_insn(env, ctx, ASE_MDMX); |
| 6585 |
/* MDMX: Not implemented. */
|
| 6586 |
default: /* Invalid */ |
| 6587 |
MIPS_INVAL("major opcode");
|
| 6588 |
generate_exception(ctx, EXCP_RI); |
| 6589 |
break;
|
| 6590 |
} |
| 6591 |
if (ctx->hflags & MIPS_HFLAG_BMASK) {
|
| 6592 |
int hflags = ctx->hflags & MIPS_HFLAG_BMASK;
|
| 6593 |
/* Branches completion */
|
| 6594 |
ctx->hflags &= ~MIPS_HFLAG_BMASK; |
| 6595 |
ctx->bstate = BS_BRANCH; |
| 6596 |
save_cpu_state(ctx, 0);
|
| 6597 |
switch (hflags) {
|
| 6598 |
case MIPS_HFLAG_B:
|
| 6599 |
/* unconditional branch */
|
| 6600 |
MIPS_DEBUG("unconditional branch");
|
| 6601 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
| 6602 |
break;
|
| 6603 |
case MIPS_HFLAG_BL:
|
| 6604 |
/* blikely taken case */
|
| 6605 |
MIPS_DEBUG("blikely branch taken");
|
| 6606 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
| 6607 |
break;
|
| 6608 |
case MIPS_HFLAG_BC:
|
| 6609 |
/* Conditional branch */
|
| 6610 |
MIPS_DEBUG("conditional branch");
|
| 6611 |
{
|
| 6612 |
int l1;
|
| 6613 |
l1 = gen_new_label(); |
| 6614 |
gen_op_jnz_T2(l1); |
| 6615 |
gen_goto_tb(ctx, 1, ctx->pc + 4); |
| 6616 |
gen_set_label(l1); |
| 6617 |
gen_goto_tb(ctx, 0, ctx->btarget);
|
| 6618 |
} |
| 6619 |
break;
|
| 6620 |
case MIPS_HFLAG_BR:
|
| 6621 |
/* unconditional branch to register */
|
| 6622 |
MIPS_DEBUG("branch to register");
|
| 6623 |
gen_op_breg(); |
| 6624 |
tcg_gen_exit_tb(0);
|
| 6625 |
break;
|
| 6626 |
default:
|
| 6627 |
MIPS_DEBUG("unknown branch");
|
| 6628 |
break;
|
| 6629 |
} |
| 6630 |
} |
| 6631 |
} |
| 6632 |
|
| 6633 |
static always_inline int |
| 6634 |
gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb, |
| 6635 |
int search_pc)
|
| 6636 |
{
|
| 6637 |
DisasContext ctx; |
| 6638 |
target_ulong pc_start; |
| 6639 |
uint16_t *gen_opc_end; |
| 6640 |
int j, lj = -1; |
| 6641 |
|
| 6642 |
if (search_pc && loglevel)
|
| 6643 |
fprintf (logfile, "search pc %d\n", search_pc);
|
| 6644 |
|
| 6645 |
pc_start = tb->pc; |
| 6646 |
gen_opc_end = gen_opc_buf + OPC_MAX_SIZE; |
| 6647 |
ctx.pc = pc_start; |
| 6648 |
ctx.saved_pc = -1;
|
| 6649 |
ctx.tb = tb; |
| 6650 |
ctx.bstate = BS_NONE; |
| 6651 |
/* Restore delay slot state from the tb context. */
|
| 6652 |
ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
|
| 6653 |
restore_cpu_state(env, &ctx); |
| 6654 |
#if defined(CONFIG_USER_ONLY)
|
| 6655 |
ctx.mem_idx = MIPS_HFLAG_UM; |
| 6656 |
#else
|
| 6657 |
ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU; |
| 6658 |
#endif
|
| 6659 |
#ifdef DEBUG_DISAS
|
| 6660 |
if (loglevel & CPU_LOG_TB_CPU) {
|
| 6661 |
fprintf(logfile, "------------------------------------------------\n");
|
| 6662 |
/* FIXME: This may print out stale hflags from env... */
|
| 6663 |
cpu_dump_state(env, logfile, fprintf, 0);
|
| 6664 |
} |
| 6665 |
#endif
|
| 6666 |
#ifdef MIPS_DEBUG_DISAS
|
| 6667 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
| 6668 |
fprintf(logfile, "\ntb %p idx %d hflags %04x\n",
|
| 6669 |
tb, ctx.mem_idx, ctx.hflags); |
| 6670 |
#endif
|
| 6671 |
while (ctx.bstate == BS_NONE && gen_opc_ptr < gen_opc_end) {
|
| 6672 |
if (env->nb_breakpoints > 0) { |
| 6673 |
for(j = 0; j < env->nb_breakpoints; j++) { |
| 6674 |
if (env->breakpoints[j] == ctx.pc) {
|
| 6675 |
save_cpu_state(&ctx, 1);
|
| 6676 |
ctx.bstate = BS_BRANCH; |
| 6677 |
gen_op_debug(); |
| 6678 |
/* Include the breakpoint location or the tb won't
|
| 6679 |
* be flushed when it must be. */
|
| 6680 |
ctx.pc += 4;
|
| 6681 |
goto done_generating;
|
| 6682 |
} |
| 6683 |
} |
| 6684 |
} |
| 6685 |
|
| 6686 |
if (search_pc) {
|
| 6687 |
j = gen_opc_ptr - gen_opc_buf; |
| 6688 |
if (lj < j) {
|
| 6689 |
lj++; |
| 6690 |
while (lj < j)
|
| 6691 |
gen_opc_instr_start[lj++] = 0;
|
| 6692 |
} |
| 6693 |
gen_opc_pc[lj] = ctx.pc; |
| 6694 |
gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK; |
| 6695 |
gen_opc_instr_start[lj] = 1;
|
| 6696 |
} |
| 6697 |
ctx.opcode = ldl_code(ctx.pc); |
| 6698 |
decode_opc(env, &ctx); |
| 6699 |
ctx.pc += 4;
|
| 6700 |
|
| 6701 |
if (env->singlestep_enabled)
|
| 6702 |
break;
|
| 6703 |
|
| 6704 |
if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0) |
| 6705 |
break;
|
| 6706 |
|
| 6707 |
#if defined (MIPS_SINGLE_STEP)
|
| 6708 |
break;
|
| 6709 |
#endif
|
| 6710 |
} |
| 6711 |
if (env->singlestep_enabled) {
|
| 6712 |
save_cpu_state(&ctx, ctx.bstate == BS_NONE); |
| 6713 |
gen_op_debug(); |
| 6714 |
} else {
|
| 6715 |
switch (ctx.bstate) {
|
| 6716 |
case BS_STOP:
|
| 6717 |
gen_op_interrupt_restart(); |
| 6718 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
| 6719 |
break;
|
| 6720 |
case BS_NONE:
|
| 6721 |
save_cpu_state(&ctx, 0);
|
| 6722 |
gen_goto_tb(&ctx, 0, ctx.pc);
|
| 6723 |
break;
|
| 6724 |
case BS_EXCP:
|
| 6725 |
gen_op_interrupt_restart(); |
| 6726 |
tcg_gen_exit_tb(0);
|
| 6727 |
break;
|
| 6728 |
case BS_BRANCH:
|
| 6729 |
default:
|
| 6730 |
break;
|
| 6731 |
} |
| 6732 |
} |
| 6733 |
done_generating:
|
| 6734 |
ctx.last_T0_store = NULL;
|
| 6735 |
*gen_opc_ptr = INDEX_op_end; |
| 6736 |
if (search_pc) {
|
| 6737 |
j = gen_opc_ptr - gen_opc_buf; |
| 6738 |
lj++; |
| 6739 |
while (lj <= j)
|
| 6740 |
gen_opc_instr_start[lj++] = 0;
|
| 6741 |
} else {
|
| 6742 |
tb->size = ctx.pc - pc_start; |
| 6743 |
} |
| 6744 |
#ifdef DEBUG_DISAS
|
| 6745 |
#if defined MIPS_DEBUG_DISAS
|
| 6746 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
| 6747 |
fprintf(logfile, "\n");
|
| 6748 |
#endif
|
| 6749 |
if (loglevel & CPU_LOG_TB_IN_ASM) {
|
| 6750 |
fprintf(logfile, "IN: %s\n", lookup_symbol(pc_start));
|
| 6751 |
target_disas(logfile, pc_start, ctx.pc - pc_start, 0);
|
| 6752 |
fprintf(logfile, "\n");
|
| 6753 |
} |
| 6754 |
if (loglevel & CPU_LOG_TB_CPU) {
|
| 6755 |
fprintf(logfile, "---------------- %d %08x\n", ctx.bstate, ctx.hflags);
|
| 6756 |
} |
| 6757 |
#endif
|
| 6758 |
|
| 6759 |
return 0; |
| 6760 |
} |
| 6761 |
|
| 6762 |
int gen_intermediate_code (CPUState *env, struct TranslationBlock *tb) |
| 6763 |
{
|
| 6764 |
return gen_intermediate_code_internal(env, tb, 0); |
| 6765 |
} |
| 6766 |
|
| 6767 |
int gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb) |
| 6768 |
{
|
| 6769 |
return gen_intermediate_code_internal(env, tb, 1); |
| 6770 |
} |
| 6771 |
|
| 6772 |
void fpu_dump_state(CPUState *env, FILE *f,
|
| 6773 |
int (*fpu_fprintf)(FILE *f, const char *fmt, ...), |
| 6774 |
int flags)
|
| 6775 |
{
|
| 6776 |
int i;
|
| 6777 |
int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
|
| 6778 |
|
| 6779 |
#define printfpr(fp) \
|
| 6780 |
do { \
|
| 6781 |
if (is_fpu64) \
|
| 6782 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu: %13g\n", \
|
| 6783 |
(fp)->w[FP_ENDIAN_IDX], (fp)->d, (fp)->fd, \ |
| 6784 |
(fp)->fs[FP_ENDIAN_IDX], (fp)->fs[!FP_ENDIAN_IDX]); \ |
| 6785 |
else { \
|
| 6786 |
fpr_t tmp; \ |
| 6787 |
tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \ |
| 6788 |
tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
|
| 6789 |
fpu_fprintf(f, "w:%08x d:%016lx fd:%13g fs:%13g psu:%13g\n", \
|
| 6790 |
tmp.w[FP_ENDIAN_IDX], tmp.d, tmp.fd, \ |
| 6791 |
tmp.fs[FP_ENDIAN_IDX], tmp.fs[!FP_ENDIAN_IDX]); \ |
| 6792 |
} \ |
| 6793 |
} while(0) |
| 6794 |
|
| 6795 |
|
| 6796 |
fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%08x(0x%02x)\n",
|
| 6797 |
env->fpu->fcr0, env->fpu->fcr31, is_fpu64, env->fpu->fp_status, |
| 6798 |
get_float_exception_flags(&env->fpu->fp_status)); |
| 6799 |
fpu_fprintf(f, "FT0: "); printfpr(&env->fpu->ft0);
|
| 6800 |
fpu_fprintf(f, "FT1: "); printfpr(&env->fpu->ft1);
|
| 6801 |
fpu_fprintf(f, "FT2: "); printfpr(&env->fpu->ft2);
|
| 6802 |
for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) { |
| 6803 |
fpu_fprintf(f, "%3s: ", fregnames[i]);
|
| 6804 |
printfpr(&env->fpu->fpr[i]); |
| 6805 |
} |
| 6806 |
|
| 6807 |
#undef printfpr
|
| 6808 |
} |
| 6809 |
|
| 6810 |
void dump_fpu (CPUState *env)
|
| 6811 |
{
|
| 6812 |
if (loglevel) {
|
| 6813 |
fprintf(logfile, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx " LO=0x" TARGET_FMT_lx " ds %04x " TARGET_FMT_lx " %d\n", |
| 6814 |
env->PC[env->current_tc], env->HI[0][env->current_tc], env->LO[0][env->current_tc], env->hflags, env->btarget, env->bcond); |
| 6815 |
fpu_dump_state(env, logfile, fprintf, 0);
|
| 6816 |
} |
| 6817 |
} |
| 6818 |
|
| 6819 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
| 6820 |
/* Debug help: The architecture requires 32bit code to maintain proper
|
| 6821 |
sign-extened values on 64bit machines. */
|
| 6822 |
|
| 6823 |
#define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff)) |
| 6824 |
|
| 6825 |
void cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
|
| 6826 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 6827 |
int flags)
|
| 6828 |
{
|
| 6829 |
int i;
|
| 6830 |
|
| 6831 |
if (!SIGN_EXT_P(env->PC[env->current_tc]))
|
| 6832 |
cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->PC[env->current_tc]); |
| 6833 |
if (!SIGN_EXT_P(env->HI[0][env->current_tc])) |
| 6834 |
cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->HI[0][env->current_tc]); |
| 6835 |
if (!SIGN_EXT_P(env->LO[0][env->current_tc])) |
| 6836 |
cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->LO[0][env->current_tc]); |
| 6837 |
if (!SIGN_EXT_P(env->btarget))
|
| 6838 |
cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget); |
| 6839 |
|
| 6840 |
for (i = 0; i < 32; i++) { |
| 6841 |
if (!SIGN_EXT_P(env->gpr[i][env->current_tc]))
|
| 6842 |
cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->gpr[i][env->current_tc]); |
| 6843 |
} |
| 6844 |
|
| 6845 |
if (!SIGN_EXT_P(env->CP0_EPC))
|
| 6846 |
cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC); |
| 6847 |
if (!SIGN_EXT_P(env->CP0_LLAddr))
|
| 6848 |
cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->CP0_LLAddr); |
| 6849 |
} |
| 6850 |
#endif
|
| 6851 |
|
| 6852 |
void cpu_dump_state (CPUState *env, FILE *f,
|
| 6853 |
int (*cpu_fprintf)(FILE *f, const char *fmt, ...), |
| 6854 |
int flags)
|
| 6855 |
{
|
| 6856 |
int i;
|
| 6857 |
|
| 6858 |
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", |
| 6859 |
env->PC[env->current_tc], env->HI[env->current_tc], env->LO[env->current_tc], env->hflags, env->btarget, env->bcond); |
| 6860 |
for (i = 0; i < 32; i++) { |
| 6861 |
if ((i & 3) == 0) |
| 6862 |
cpu_fprintf(f, "GPR%02d:", i);
|
| 6863 |
cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->gpr[i][env->current_tc]);
|
| 6864 |
if ((i & 3) == 3) |
| 6865 |
cpu_fprintf(f, "\n");
|
| 6866 |
} |
| 6867 |
|
| 6868 |
cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n", |
| 6869 |
env->CP0_Status, env->CP0_Cause, env->CP0_EPC); |
| 6870 |
cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n", |
| 6871 |
env->CP0_Config0, env->CP0_Config1, env->CP0_LLAddr); |
| 6872 |
if (env->hflags & MIPS_HFLAG_FPU)
|
| 6873 |
fpu_dump_state(env, f, cpu_fprintf, flags); |
| 6874 |
#if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
|
| 6875 |
cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags); |
| 6876 |
#endif
|
| 6877 |
} |
| 6878 |
|
| 6879 |
#include "translate_init.c" |
| 6880 |
|
| 6881 |
CPUMIPSState *cpu_mips_init (const char *cpu_model) |
| 6882 |
{
|
| 6883 |
CPUMIPSState *env; |
| 6884 |
const mips_def_t *def;
|
| 6885 |
|
| 6886 |
def = cpu_mips_find_by_name(cpu_model); |
| 6887 |
if (!def)
|
| 6888 |
return NULL; |
| 6889 |
env = qemu_mallocz(sizeof(CPUMIPSState));
|
| 6890 |
if (!env)
|
| 6891 |
return NULL; |
| 6892 |
env->cpu_model = def; |
| 6893 |
|
| 6894 |
cpu_exec_init(env); |
| 6895 |
env->cpu_model_str = cpu_model; |
| 6896 |
cpu_reset(env); |
| 6897 |
return env;
|
| 6898 |
} |
| 6899 |
|
| 6900 |
void cpu_reset (CPUMIPSState *env)
|
| 6901 |
{
|
| 6902 |
memset(env, 0, offsetof(CPUMIPSState, breakpoints));
|
| 6903 |
|
| 6904 |
tlb_flush(env, 1);
|
| 6905 |
|
| 6906 |
/* Minimal init */
|
| 6907 |
#if !defined(CONFIG_USER_ONLY)
|
| 6908 |
if (env->hflags & MIPS_HFLAG_BMASK) {
|
| 6909 |
/* If the exception was raised from a delay slot,
|
| 6910 |
* come back to the jump. */
|
| 6911 |
env->CP0_ErrorEPC = env->PC[env->current_tc] - 4;
|
| 6912 |
} else {
|
| 6913 |
env->CP0_ErrorEPC = env->PC[env->current_tc]; |
| 6914 |
} |
| 6915 |
env->PC[env->current_tc] = (int32_t)0xBFC00000;
|
| 6916 |
env->CP0_Wired = 0;
|
| 6917 |
/* SMP not implemented */
|
| 6918 |
env->CP0_EBase = 0x80000000;
|
| 6919 |
env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL); |
| 6920 |
/* vectored interrupts not implemented, timer on int 7,
|
| 6921 |
no performance counters. */
|
| 6922 |
env->CP0_IntCtl = 0xe0000000;
|
| 6923 |
{
|
| 6924 |
int i;
|
| 6925 |
|
| 6926 |
for (i = 0; i < 7; i++) { |
| 6927 |
env->CP0_WatchLo[i] = 0;
|
| 6928 |
env->CP0_WatchHi[i] = 0x80000000;
|
| 6929 |
} |
| 6930 |
env->CP0_WatchLo[7] = 0; |
| 6931 |
env->CP0_WatchHi[7] = 0; |
| 6932 |
} |
| 6933 |
/* Count register increments in debug mode, EJTAG version 1 */
|
| 6934 |
env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER); |
| 6935 |
#endif
|
| 6936 |
env->exception_index = EXCP_NONE; |
| 6937 |
#if defined(CONFIG_USER_ONLY)
|
| 6938 |
env->hflags = MIPS_HFLAG_UM; |
| 6939 |
env->user_mode_only = 1;
|
| 6940 |
#else
|
| 6941 |
env->hflags = MIPS_HFLAG_CP0; |
| 6942 |
#endif
|
| 6943 |
cpu_mips_register(env, env->cpu_model); |
| 6944 |
} |