| 1 | # |
| 2 | # This file is part of the program psim. |
| 3 | # |
| 4 | # Copyright 1994, 1995, 1996, 1997, 2003, 2004 Andrew Cagney |
| 5 | # |
| 6 | # -- |
| 7 | # |
| 8 | # The pseudo-code that appears below, translated into C, was copied |
| 9 | # by Andrew Cagney of Moss Vale, Australia. |
| 10 | # |
| 11 | # This pseudo-code is copied by permission from the publication |
| 12 | # "The PowerPC Architecture: A Specification for A New Family of |
| 13 | # RISC Processors" (ISBN 1-55860-316-6) copyright 1993, 1994 by |
| 14 | # International Business Machines Corporation. |
| 15 | # |
| 16 | # THIS PERMISSION IS PROVIDED WITHOUT WARRANTY OF ANY KIND, EITHER |
| 17 | # EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES |
| 18 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 19 | # |
| 20 | # -- |
| 21 | # |
| 22 | # This program is free software; you can redistribute it and/or modify |
| 23 | # it under the terms of the GNU General Public License as published by |
| 24 | # the Free Software Foundation; either version 3 of the License, or |
| 25 | # (at your option) any later version. |
| 26 | # |
| 27 | # This program is distributed in the hope that it will be useful, |
| 28 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 29 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 30 | # GNU General Public License for more details. |
| 31 | # |
| 32 | # You should have received a copy of the GNU General Public License |
| 33 | # along with this program; if not, see <http://www.gnu.org/licenses/>. |
| 34 | # |
| 35 | |
| 36 | :cache::::RA:RA: |
| 37 | :cache:::signed_word *:rA:RA:(cpu_registers(processor)->gpr + RA) |
| 38 | :cache:::unsigned32:RA_BITMASK:RA:(1 << RA) |
| 39 | :compute:::int:RA_is_0:RA:(RA == 0) |
| 40 | :cache::::RT:RT: |
| 41 | :cache:::signed_word *:rT:RT:(cpu_registers(processor)->gpr + RT) |
| 42 | :cache:::unsigned32:RT_BITMASK:RT:(1 << RT) |
| 43 | :cache::::RS:RS: |
| 44 | :cache:::signed_word *:rS:RS:(cpu_registers(processor)->gpr + RS) |
| 45 | :cache:::unsigned32:RS_BITMASK:RS:(1 << RS) |
| 46 | :cache::::RB:RB: |
| 47 | :cache:::signed_word *:rB:RB:(cpu_registers(processor)->gpr + RB) |
| 48 | :cache:::unsigned32:RB_BITMASK:RB:(1 << RB) |
| 49 | :scratch::::FRA:FRA: |
| 50 | :cache:::unsigned64 *:frA:FRA:(cpu_registers(processor)->fpr + FRA) |
| 51 | :cache:::unsigned32:FRA_BITMASK:FRA:(1 << FRA) |
| 52 | :scratch::::FRB:FRB: |
| 53 | :cache:::unsigned64 *:frB:FRB:(cpu_registers(processor)->fpr + FRB) |
| 54 | :cache:::unsigned32:FRB_BITMASK:FRB:(1 << FRB) |
| 55 | :scratch::::FRC:FRC: |
| 56 | :cache:::unsigned64 *:frC:FRC:(cpu_registers(processor)->fpr + FRC) |
| 57 | :cache:::unsigned32:FRC_BITMASK:FRC:(1 << FRC) |
| 58 | :scratch::::FRS:FRS: |
| 59 | :cache:::unsigned64 *:frS:FRS:(cpu_registers(processor)->fpr + FRS) |
| 60 | :cache:::unsigned32:FRS_BITMASK:FRS:(1 << FRS) |
| 61 | :scratch::::FRT:FRT: |
| 62 | :cache:::unsigned64 *:frT:FRT:(cpu_registers(processor)->fpr + FRT) |
| 63 | :cache:::unsigned32:FRT_BITMASK:FRT:(1 << FRT) |
| 64 | :cache:::unsigned_word:EXTS_SI:SI:((signed_word)(signed16)instruction) |
| 65 | :scratch::::BI:BI: |
| 66 | :cache::::BIT32_BI:BI:BIT32(BI) |
| 67 | :cache::::BF:BF: |
| 68 | :cache:::unsigned32:BF_BITMASK:BF:(1 << BF) |
| 69 | :scratch::::BA:BA: |
| 70 | :cache::::BIT32_BA:BA:BIT32(BA) |
| 71 | :cache:::unsigned32:BA_BITMASK:BA:(1 << BA) |
| 72 | :scratch::::BB:BB: |
| 73 | :cache::::BIT32_BB:BB:BIT32(BB) |
| 74 | :cache:::unsigned32:BB_BITMASK:BB:(1 << BB) |
| 75 | :cache::::BT:BT: |
| 76 | :cache:::unsigned32:BT_BITMASK:BT:(1 << BT) |
| 77 | :cache:::unsigned_word:EXTS_BD_0b00:BD:(((signed_word)(signed16)instruction) & ~3) |
| 78 | :cache:::unsigned_word:EXTS_LI_0b00:LI:((((signed_word)(signed32)(instruction << 6)) >> 6) & ~0x3) |
| 79 | :cache:::unsigned_word:EXTS_D:D:((signed_word)(signed16)(instruction)) |
| 80 | :cache:::unsigned_word:EXTS_DS_0b00:DS:(((signed_word)(signed16)instruction) & ~0x3) |
| 81 | #:compute:::int:SPR_is_256:SPR:(SPR == 256) |
| 82 | \f |
| 83 | # PowerPC models |
| 84 | ::model:604:ppc604: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 |
| 85 | ::model:603e:ppc603e:PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 |
| 86 | ::model:603:ppc603: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 |
| 87 | ::model:601:ppc601: PPC_UNIT_BAD, PPC_UNIT_BAD, 1, 1, 0 |
| 88 | |
| 89 | # Flags for model.h |
| 90 | ::model-macro::: |
| 91 | #define PPC_INSN_INT(OUT_MASK, IN_MASK, RC) \ |
| 92 | do { \ |
| 93 | if (CURRENT_MODEL_ISSUE > 0) { \ |
| 94 | if (RC) \ |
| 95 | ppc_insn_int_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ |
| 96 | else \ |
| 97 | ppc_insn_int(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \ |
| 98 | } \ |
| 99 | } while (0) |
| 100 | |
| 101 | #define PPC_INSN_INT_CR(OUT_MASK, IN_MASK, CR_MASK) \ |
| 102 | do { \ |
| 103 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 104 | ppc_insn_int_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ |
| 105 | } while (0) |
| 106 | |
| 107 | #define PPC_INSN_CR(OUT_MASK, IN_MASK) \ |
| 108 | do { \ |
| 109 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 110 | ppc_insn_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \ |
| 111 | } while (0) |
| 112 | |
| 113 | #define PPC_INSN_FLOAT(OUT_MASK, IN_MASK, RC) \ |
| 114 | do { \ |
| 115 | if (CURRENT_MODEL_ISSUE > 0) { \ |
| 116 | if (RC) \ |
| 117 | ppc_insn_float(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK); \ |
| 118 | else \ |
| 119 | ppc_insn_float_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, 1 << 0); \ |
| 120 | } \ |
| 121 | } while (0) |
| 122 | |
| 123 | #define PPC_INSN_FLOAT_CR(OUT_MASK, IN_MASK, CR_MASK) \ |
| 124 | do { \ |
| 125 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 126 | ppc_insn_float_cr(MY_INDEX, cpu_model(processor), OUT_MASK, IN_MASK, CR_MASK); \ |
| 127 | } while (0) |
| 128 | |
| 129 | #define PPC_INSN_INT_FLOAT(OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK) \ |
| 130 | do { \ |
| 131 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 132 | ppc_insn_int_float(MY_INDEX, cpu_model(processor), OUT_INT_MASK, OUT_FP_MASK, IN_INT_MASK, IN_FP_MASK); \ |
| 133 | } while (0) |
| 134 | |
| 135 | #define PPC_INSN_FROM_SPR(INT_MASK, SPR) \ |
| 136 | do { \ |
| 137 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 138 | ppc_insn_from_spr(MY_INDEX, cpu_model(processor), INT_MASK, SPR); \ |
| 139 | } while (0) |
| 140 | |
| 141 | #define PPC_INSN_TO_SPR(INT_MASK, SPR) \ |
| 142 | do { \ |
| 143 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 144 | ppc_insn_to_spr(MY_INDEX, cpu_model(processor), INT_MASK, SPR); \ |
| 145 | } while (0) |
| 146 | |
| 147 | #define PPC_INSN_MFCR(INT_MASK) \ |
| 148 | do { \ |
| 149 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 150 | ppc_insn_mfcr(MY_INDEX, cpu_model(processor), INT_MASK); \ |
| 151 | } while (0) |
| 152 | |
| 153 | #define PPC_INSN_MTCR(INT_MASK, FXM) \ |
| 154 | do { \ |
| 155 | if (CURRENT_MODEL_ISSUE > 0) \ |
| 156 | ppc_insn_mtcr(MY_INDEX, cpu_model(processor), INT_MASK, FXM); \ |
| 157 | } while (0) |
| 158 | |
| 159 | ::model-data::: |
| 160 | typedef enum _ppc_function_unit { |
| 161 | PPC_UNIT_BAD, /* unknown function unit */ |
| 162 | PPC_UNIT_IU, /* integer unit (601/603 style) */ |
| 163 | PPC_UNIT_SRU, /* system register unit (601/603 style) */ |
| 164 | PPC_UNIT_SCIU1, /* 1st single cycle integer unit (604 style) */ |
| 165 | PPC_UNIT_SCIU2, /* 2nd single cycle integer unit (604 style) */ |
| 166 | PPC_UNIT_MCIU, /* multiple cycle integer unit (604 style) */ |
| 167 | PPC_UNIT_FPU, /* floating point unit */ |
| 168 | PPC_UNIT_LSU, /* load/store unit */ |
| 169 | PPC_UNIT_BPU, /* branch unit */ |
| 170 | nr_ppc_function_units |
| 171 | } ppc_function_unit; |
| 172 | |
| 173 | /* Structure to hold timing information on a per instruction basis */ |
| 174 | struct _model_time { |
| 175 | ppc_function_unit first_unit; /* first functional unit this insn could use */ |
| 176 | ppc_function_unit second_unit; /* second functional unit this insn could use */ |
| 177 | signed16 issue; /* # cycles before function unit can process other insns */ |
| 178 | signed16 done; /* # cycles before insn is done */ |
| 179 | unsigned32 flags; /* any flags that are needed */ |
| 180 | }; |
| 181 | |
| 182 | /* Register mappings in status masks */ |
| 183 | #define PPC_CR_REG 0 /* start of CR0 .. CR7 */ |
| 184 | #define PPC_FPSCR_REG (PPC_CR_REG + 8) /* start of fpscr register */ |
| 185 | |
| 186 | #define PPC_NO_SPR (-1) /* flag for no SPR register */ |
| 187 | |
| 188 | /* Return if 1 bit set */ |
| 189 | #define PPC_ONE_BIT_SET_P(x) (((x) & ((x)-1)) == 0) |
| 190 | |
| 191 | /* Structure for each functional unit that is busy */ |
| 192 | typedef struct _model_busy model_busy; |
| 193 | struct _model_busy { |
| 194 | model_busy *next; /* next function unit */ |
| 195 | ppc_function_unit unit; /* function unit name */ |
| 196 | unsigned32 int_busy; /* int registers that are busy */ |
| 197 | unsigned32 fp_busy; /* floating point registers that are busy */ |
| 198 | unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ |
| 199 | signed16 spr_busy; /* SPR register that is busy or PPC_NO_SPR */ |
| 200 | unsigned32 vr_busy; /* AltiVec registers that are busy */ |
| 201 | signed16 vscr_busy; /* AltiVec status register busy */ |
| 202 | signed16 issue; /* # of cycles until unit can accept another insn */ |
| 203 | signed16 done; /* # of cycles until insn is done */ |
| 204 | signed16 nr_writebacks; /* # of registers this unit writes back */ |
| 205 | }; |
| 206 | |
| 207 | /* Structure to hold the current state information for the simulated CPU model */ |
| 208 | struct _model_data { |
| 209 | cpu *processor; /* point back to processor */ |
| 210 | const char *name; /* model name */ |
| 211 | const model_time *timing; /* timing information */ |
| 212 | model_busy busy_head; /* dummy entry to head list of busy function units */ |
| 213 | model_busy *busy_tail; /* tail of list of busy function units */ |
| 214 | model_busy *free_list; /* list of model_busy structs not in use */ |
| 215 | count_type nr_cycles; /* # cycles */ |
| 216 | count_type nr_branches; /* # branches */ |
| 217 | count_type nr_branches_fallthrough; /* # conditional branches that fell through */ |
| 218 | count_type nr_branch_predict_trues; /* # branches predicted correctly */ |
| 219 | count_type nr_branch_predict_falses; /* # branches predicted incorrectly */ |
| 220 | count_type nr_branch_conditional[32]; /* # of each type of bc */ |
| 221 | count_type nr_mtcrf_crs[9]; /* # of CR's moved in a mtcrf instruction */ |
| 222 | count_type nr_stalls_data; /* # of stalls for data */ |
| 223 | count_type nr_stalls_unit; /* # of stalls waiting for a function unit */ |
| 224 | count_type nr_stalls_serialize; /* # of stalls waiting for things to quiet down */ |
| 225 | count_type nr_stalls_writeback; /* # of stalls waiting for a writeback slot */ |
| 226 | count_type nr_units[nr_ppc_function_units]; /* function unit counts */ |
| 227 | int max_nr_writebacks; /* max # of writeback slots available */ |
| 228 | unsigned32 int_busy; /* int registers that are busy */ |
| 229 | unsigned32 fp_busy; /* floating point registers that are busy */ |
| 230 | unsigned32 cr_fpscr_busy; /* CR/FPSCR registers that are busy */ |
| 231 | unsigned8 spr_busy[nr_of_sprs]; /* SPR registers that are busy */ |
| 232 | unsigned32 vr_busy; /* AltiVec registers that are busy */ |
| 233 | unsigned8 vscr_busy; /* AltiVec SC register busy */ |
| 234 | unsigned8 busy[nr_ppc_function_units]; /* whether a function is busy or not */ |
| 235 | }; |
| 236 | |
| 237 | static const char *const ppc_function_unit_name[ (int)nr_ppc_function_units ] = { |
| 238 | "unknown functional unit instruction", |
| 239 | "integer functional unit instruction", |
| 240 | "system register functional unit instruction", |
| 241 | "1st single cycle integer functional unit instruction", |
| 242 | "2nd single cycle integer functional unit instruction", |
| 243 | "multiple cycle integer functional unit instruction", |
| 244 | "floating point functional unit instruction", |
| 245 | "load/store functional unit instruction", |
| 246 | "branch functional unit instruction", |
| 247 | }; |
| 248 | |
| 249 | static const char *const ppc_branch_conditional_name[32] = { |
| 250 | "branch if --CTR != 0 and condition is FALSE", /* 0000y */ |
| 251 | "branch if --CTR != 0 and condition is FALSE, reverse branch likely", |
| 252 | "branch if --CTR == 0 and condition is FALSE", /* 0001y */ |
| 253 | "branch if --CTR == 0 and condition is FALSE, reverse branch likely", |
| 254 | "branch if the condition is FALSE", /* 001zy */ |
| 255 | "branch if the condition is FALSE, reverse branch likely", |
| 256 | "branch if the condition is FALSE (ignored bit 1 set to 1)", /* 001zy */ |
| 257 | "branch if the condition is FALSE, reverse branch likely (ignored bit 4 set to 1)", |
| 258 | "branch if --CTR != 0 and condition is TRUE", /* 0100y */ |
| 259 | "branch if --CTR != 0 and condition is TRUE, reverse branch likely", |
| 260 | "branch if --CTR == 0 and condition is TRUE", /* 0101y */ |
| 261 | "branch if --CTR == 0 and condition is TRUE, reverse branch likely", |
| 262 | "branch if the condition is TRUE", /* 011zy */ |
| 263 | "branch if the condition is TRUE, reverse branch likely", |
| 264 | "branch if the condition is TRUE (ignored bit 1 set to 1)", /* 011zy */ |
| 265 | "branch if the condition is TRUE, reverse branch likely (ignored bit 4 set to 1)", |
| 266 | "branch if --CTR != 0", /* 1z00y */ |
| 267 | "branch if --CTR != 0, reverse branch likely", |
| 268 | "branch if --CTR == 0", /* 1z01y */ |
| 269 | "branch if --CTR == 0, reverse branch likely", |
| 270 | "branch always", /* 1z1zz */ |
| 271 | "branch always (ignored bit 5 set to 1)", |
| 272 | "branch always (ignored bit 4 set to 1)", /* 1z1zz */ |
| 273 | "branch always (ignored bits 4,5 set to 1)", |
| 274 | "branch if --CTR != 0 (ignored bit 1 set to 1)", /* 1z00y */ |
| 275 | "branch if --CTR != 0, reverse branch likely (ignored bit 1 set to 1)", |
| 276 | "branch if --CTR == 0 (ignored bit 1 set to 1)", /* 1z01y */ |
| 277 | "branch if --CTR == 0, reverse branch likely (ignored bit 1 set to 1)", |
| 278 | "branch always (ignored bit 1 set to 1)", /* 1z1zz */ |
| 279 | "branch always (ignored bits 1,5 set to 1)", |
| 280 | "branch always (ignored bits 1,4 set to 1)", /* 1z1zz */ |
| 281 | "branch always (ignored bits 1,4,5 set to 1)", |
| 282 | }; |
| 283 | |
| 284 | static const char *const ppc_nr_mtcrf_crs[9] = { |
| 285 | "mtcrf moving 0 CRs", |
| 286 | "mtcrf moving 1 CR", |
| 287 | "mtcrf moving 2 CRs", |
| 288 | "mtcrf moving 3 CRs", |
| 289 | "mtcrf moving 4 CRs", |
| 290 | "mtcrf moving 5 CRs", |
| 291 | "mtcrf moving 6 CRs", |
| 292 | "mtcrf moving 7 CRs", |
| 293 | "mtcrf moving all CRs", |
| 294 | }; |
| 295 | \f |
| 296 | # Trace releasing resources |
| 297 | void::model-static::model_trace_release:model_data *model_ptr, model_busy *busy |
| 298 | int i; |
| 299 | TRACE(trace_model,("done, %s, %d writeback%s\n", ppc_function_unit_name[busy->unit], |
| 300 | busy->nr_writebacks, busy->nr_writebacks == 1 ? "" : "s")); |
| 301 | if (busy->int_busy) { |
| 302 | for(i = 0; i < 32; i++) { |
| 303 | if (((1 << i) & busy->int_busy) != 0) { |
| 304 | TRACE(trace_model, ("Register r%d is now available.\n", i)); |
| 305 | } |
| 306 | } |
| 307 | } |
| 308 | if (busy->fp_busy) { |
| 309 | for(i = 0; i < 32; i++) { |
| 310 | if (((1 << i) & busy->fp_busy) != 0) { |
| 311 | TRACE(trace_model, ("Register f%d is now available.\n", i)); |
| 312 | } |
| 313 | } |
| 314 | } |
| 315 | if (busy->cr_fpscr_busy) { |
| 316 | for(i = 0; i < 8; i++) { |
| 317 | if (((1 << i) & busy->cr_fpscr_busy) != 0) { |
| 318 | TRACE(trace_model, ("Register cr%d is now available.\n", i)); |
| 319 | } |
| 320 | } |
| 321 | if (busy->cr_fpscr_busy & 0x100) |
| 322 | TRACE(trace_model, ("Register fpscr is now available.\n")); |
| 323 | } |
| 324 | if (busy->spr_busy != PPC_NO_SPR) |
| 325 | TRACE(trace_model, ("Register %s is now available.\n", spr_name(busy->spr_busy))); |
| 326 | if (busy->vr_busy) { |
| 327 | for(i = 0; i < 32; i++) { |
| 328 | if (((1 << i) & busy->vr_busy) != 0) { |
| 329 | TRACE(trace_model, ("Register v%d is now available.\n", i)); |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | if (busy->vscr_busy) |
| 334 | TRACE(trace_model, ("VSCR Register is now available.\n", spr_name(busy->spr_busy))); |
| 335 | |
| 336 | # Trace making registers busy |
| 337 | void::model-static::model_trace_make_busy:model_data *model_ptr, unsigned32 int_mask, unsigned32 fp_mask, unsigned32 cr_mask |
| 338 | int i; |
| 339 | if (int_mask) { |
| 340 | for(i = 0; i < 32; i++) { |
| 341 | if (((1 << i) & int_mask) != 0) { |
| 342 | TRACE(trace_model, ("Register r%d is now busy.\n", i)); |
| 343 | } |
| 344 | } |
| 345 | } |
| 346 | if (fp_mask) { |
| 347 | for(i = 0; i < 32; i++) { |
| 348 | if (((1 << i) & fp_mask) != 0) { |
| 349 | TRACE(trace_model, ("Register f%d is now busy.\n", i)); |
| 350 | } |
| 351 | } |
| 352 | } |
| 353 | if (cr_mask) { |
| 354 | for(i = 0; i < 8; i++) { |
| 355 | if (((1 << i) & cr_mask) != 0) { |
| 356 | TRACE(trace_model, ("Register cr%d is now busy.\n", i)); |
| 357 | } |
| 358 | } |
| 359 | } |
| 360 | |
| 361 | # Trace waiting for registers to become available |
| 362 | void::model-static::model_trace_busy_p:model_data *model_ptr, unsigned32 int_busy, unsigned32 fp_busy, unsigned32 cr_or_fpscr_busy, int spr_busy |
| 363 | int i; |
| 364 | if (int_busy) { |
| 365 | int_busy &= model_ptr->int_busy; |
| 366 | for(i = 0; i < 32; i++) { |
| 367 | if (((1 << i) & int_busy) != 0) { |
| 368 | TRACE(trace_model, ("Waiting for register r%d.\n", i)); |
| 369 | } |
| 370 | } |
| 371 | } |
| 372 | if (fp_busy) { |
| 373 | fp_busy &= model_ptr->fp_busy; |
| 374 | for(i = 0; i < 32; i++) { |
| 375 | if (((1 << i) & fp_busy) != 0) { |
| 376 | TRACE(trace_model, ("Waiting for register f%d.\n", i)); |
| 377 | } |
| 378 | } |
| 379 | } |
| 380 | if (cr_or_fpscr_busy) { |
| 381 | cr_or_fpscr_busy &= model_ptr->cr_fpscr_busy; |
| 382 | for(i = 0; i < 8; i++) { |
| 383 | if (((1 << i) & cr_or_fpscr_busy) != 0) { |
| 384 | TRACE(trace_model, ("Waiting for register cr%d.\n", i)); |
| 385 | } |
| 386 | } |
| 387 | if (cr_or_fpscr_busy & 0x100) |
| 388 | TRACE(trace_model, ("Waiting for register fpscr.\n")); |
| 389 | } |
| 390 | if (spr_busy != PPC_NO_SPR && model_ptr->spr_busy[spr_busy]) |
| 391 | TRACE(trace_model, ("Waiting for register %s.\n", spr_name(spr_busy))); |
| 392 | \f |
| 393 | # Advance state to next cycle, releasing any registers allocated |
| 394 | void::model-internal::model_new_cycle:model_data *model_ptr |
| 395 | model_busy *cur_busy = model_ptr->busy_head.next; |
| 396 | model_busy *free_list = model_ptr->free_list; |
| 397 | model_busy *busy_tail = &model_ptr->busy_head; |
| 398 | int nr_writebacks = model_ptr->max_nr_writebacks; |
| 399 | model_busy *next; |
| 400 | |
| 401 | model_ptr->nr_cycles++; |
| 402 | TRACE(trace_model,("New cycle %lu\n", (unsigned long)model_ptr->nr_cycles)); |
| 403 | for ( ; cur_busy; cur_busy = next) { |
| 404 | next = cur_busy->next; |
| 405 | if (--cur_busy->done <= 0) { /* function unit done, release registers if we have writeback slots */ |
| 406 | nr_writebacks -= cur_busy->nr_writebacks; |
| 407 | if (nr_writebacks >= 0) { |
| 408 | model_ptr->int_busy &= ~cur_busy->int_busy; |
| 409 | model_ptr->fp_busy &= ~cur_busy->fp_busy; |
| 410 | model_ptr->cr_fpscr_busy &= ~cur_busy->cr_fpscr_busy; |
| 411 | if (cur_busy->spr_busy != PPC_NO_SPR) |
| 412 | model_ptr->spr_busy[cur_busy->spr_busy] = 0; |
| 413 | model_ptr->vr_busy &= ~cur_busy->vr_busy; |
| 414 | model_ptr->vscr_busy = ~cur_busy->vscr_busy; |
| 415 | |
| 416 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 417 | model_trace_release(model_ptr, cur_busy); |
| 418 | |
| 419 | model_ptr->busy[cur_busy->unit] = 0; |
| 420 | cur_busy->next = free_list; |
| 421 | free_list = cur_busy; |
| 422 | } |
| 423 | else { /* writeback slots not available */ |
| 424 | TRACE(trace_model,("%d writeback slot%s not available for %s\n", |
| 425 | cur_busy->nr_writebacks, |
| 426 | cur_busy->nr_writebacks == 1 ? " is" : "s are", |
| 427 | ppc_function_unit_name[cur_busy->unit])); |
| 428 | cur_busy->done++; /* undo -- above */ |
| 429 | model_ptr->nr_stalls_writeback++; |
| 430 | busy_tail->next = cur_busy; |
| 431 | busy_tail = cur_busy; |
| 432 | } |
| 433 | } |
| 434 | else if (--cur_busy->issue <= 0) { /* function unit pipelined, allow new use */ |
| 435 | TRACE(trace_model,("pipeline, %s ready for next client\n", ppc_function_unit_name[cur_busy->unit])); |
| 436 | model_ptr->busy[cur_busy->unit] = 0; |
| 437 | busy_tail->next = cur_busy; |
| 438 | busy_tail = cur_busy; |
| 439 | } |
| 440 | else { |
| 441 | TRACE(trace_model,("%s still working, issue = %d, done = %d\n", |
| 442 | ppc_function_unit_name[cur_busy->unit], |
| 443 | cur_busy->issue, |
| 444 | cur_busy->done)); |
| 445 | busy_tail->next = cur_busy; |
| 446 | busy_tail = cur_busy; |
| 447 | } |
| 448 | } |
| 449 | |
| 450 | busy_tail->next = (model_busy *)0; |
| 451 | model_ptr->busy_tail = busy_tail; |
| 452 | model_ptr->free_list = free_list; |
| 453 | |
| 454 | # Mark a function unit as busy, return the busy structure |
| 455 | model_busy *::model-internal::model_make_busy:model_data *model_ptr, ppc_function_unit unit, int issue, int done |
| 456 | model_busy *busy; |
| 457 | |
| 458 | TRACE(trace_model,("unit = %s, issue = %d, done = %d\n", ppc_function_unit_name[unit], issue, done)); |
| 459 | |
| 460 | if (!model_ptr->free_list) { |
| 461 | busy = ZALLOC(model_busy); |
| 462 | } |
| 463 | else { |
| 464 | busy = model_ptr->free_list; |
| 465 | model_ptr->free_list = busy->next; |
| 466 | busy->next = (model_busy *)0; |
| 467 | busy->int_busy = 0; |
| 468 | busy->fp_busy = 0; |
| 469 | busy->cr_fpscr_busy = 0; |
| 470 | busy->nr_writebacks = 0; |
| 471 | busy->vr_busy = 0; |
| 472 | busy->vscr_busy = 0; |
| 473 | } |
| 474 | |
| 475 | busy->unit = unit; |
| 476 | busy->issue = issue; |
| 477 | busy->done = done; |
| 478 | busy->spr_busy = PPC_NO_SPR; |
| 479 | model_ptr->busy_tail->next = busy; |
| 480 | model_ptr->busy_tail = busy; |
| 481 | model_ptr->busy[unit] = 1; |
| 482 | model_ptr->nr_units[unit]++; |
| 483 | return busy; |
| 484 | \f |
| 485 | # Wait until a function unit is non-busy, and then allocate a busy pointer & return the pointer |
| 486 | model_busy *::model-internal::model_wait_for_unit:itable_index index, model_data *const model_ptr, const model_time *const time_ptr |
| 487 | ppc_function_unit first_unit = time_ptr->first_unit; |
| 488 | ppc_function_unit second_unit = time_ptr->second_unit; |
| 489 | int stall_increment = 0; |
| 490 | |
| 491 | for (;;) { |
| 492 | if (!model_ptr->busy[first_unit]) |
| 493 | return model_make_busy(model_ptr, first_unit, |
| 494 | model_ptr->timing[index].issue, |
| 495 | model_ptr->timing[index].done); |
| 496 | |
| 497 | if (!model_ptr->busy[second_unit]) |
| 498 | return model_make_busy(model_ptr, second_unit, |
| 499 | model_ptr->timing[index].issue, |
| 500 | model_ptr->timing[index].done); |
| 501 | |
| 502 | TRACE(trace_model,("all function units are busy for %s\n", itable[index].name)); |
| 503 | model_ptr->nr_stalls_unit += stall_increment; /* don't count first stall */ |
| 504 | stall_increment = 1; |
| 505 | model_new_cycle(model_ptr); |
| 506 | } |
| 507 | |
| 508 | # Serialize the processor, waiting for all instructions to drain out before adding an instruction. |
| 509 | void::model-function::model_serialize:itable_index index, model_data *model_ptr |
| 510 | while (model_ptr->busy_head.next) { |
| 511 | TRACE(trace_model,("waiting for pipeline to empty\n")); |
| 512 | model_ptr->nr_stalls_serialize++; |
| 513 | model_new_cycle(model_ptr); |
| 514 | } |
| 515 | (void) model_make_busy(model_ptr, |
| 516 | model_ptr->timing[index].first_unit, |
| 517 | model_ptr->timing[index].issue, |
| 518 | model_ptr->timing[index].done); |
| 519 | |
| 520 | # Wait for a CR to become unbusy |
| 521 | void::model-function::model_wait_for_cr:model_data *model_ptr, unsigned CRBIT |
| 522 | unsigned u; |
| 523 | unsigned32 cr_mask; |
| 524 | int cr_var = 0; |
| 525 | for (u = 0xc0000000; (u != 0) && (CRBIT & u) == 0; u >>= 4 ) |
| 526 | cr_var++; |
| 527 | |
| 528 | cr_mask = (1 << cr_var); |
| 529 | while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { |
| 530 | TRACE(trace_model,("waiting for CR %d\n", cr_var)); |
| 531 | model_ptr->nr_stalls_data++; |
| 532 | model_new_cycle(model_ptr); |
| 533 | } |
| 534 | |
| 535 | # Schedule an instruction that takes integer input registers and produces output registers |
| 536 | void::model-function::ppc_insn_int:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask |
| 537 | const unsigned32 int_mask = out_mask | in_mask; |
| 538 | model_busy *busy_ptr; |
| 539 | |
| 540 | if ((model_ptr->int_busy & int_mask) != 0) { |
| 541 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ |
| 542 | |
| 543 | while ((model_ptr->int_busy & int_mask) != 0) { |
| 544 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 545 | model_trace_busy_p(model_ptr, int_mask, 0, 0, PPC_NO_SPR); |
| 546 | |
| 547 | model_ptr->nr_stalls_data++; |
| 548 | model_new_cycle(model_ptr); |
| 549 | } |
| 550 | } |
| 551 | |
| 552 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 553 | model_ptr->int_busy |= out_mask; |
| 554 | busy_ptr->int_busy |= out_mask; |
| 555 | if (out_mask) |
| 556 | busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2; |
| 557 | |
| 558 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 559 | model_trace_make_busy(model_ptr, out_mask, 0, 0); |
| 560 | |
| 561 | # Schedule an instruction that takes integer input registers and produces output registers & sets a CR register |
| 562 | void::model-function::ppc_insn_int_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask |
| 563 | const unsigned32 int_mask = out_mask | in_mask; |
| 564 | model_busy *busy_ptr; |
| 565 | |
| 566 | if ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
| 567 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ |
| 568 | |
| 569 | while ((model_ptr->int_busy & int_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
| 570 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 571 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); |
| 572 | |
| 573 | model_ptr->nr_stalls_data++; |
| 574 | model_new_cycle(model_ptr); |
| 575 | } |
| 576 | } |
| 577 | |
| 578 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 579 | model_ptr->int_busy |= out_mask; |
| 580 | busy_ptr->int_busy |= out_mask; |
| 581 | model_ptr->cr_fpscr_busy |= cr_mask; |
| 582 | busy_ptr->cr_fpscr_busy |= cr_mask; |
| 583 | if (out_mask) |
| 584 | busy_ptr->nr_writebacks = (PPC_ONE_BIT_SET_P(out_mask)) ? 1 : 2; |
| 585 | |
| 586 | if (cr_mask) |
| 587 | busy_ptr->nr_writebacks++; |
| 588 | |
| 589 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 590 | model_trace_make_busy(model_ptr, out_mask, 0, cr_mask); |
| 591 | |
| 592 | |
| 593 | # Schedule an instruction that takes CR input registers and produces output CR registers |
| 594 | void::model-function::ppc_insn_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask |
| 595 | const unsigned32 cr_mask = out_mask | in_mask; |
| 596 | model_busy *busy_ptr; |
| 597 | |
| 598 | if ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { |
| 599 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ |
| 600 | |
| 601 | while ((model_ptr->cr_fpscr_busy & cr_mask) != 0) { |
| 602 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 603 | model_trace_busy_p(model_ptr, 0, 0, cr_mask, PPC_NO_SPR); |
| 604 | |
| 605 | model_ptr->nr_stalls_data++; |
| 606 | model_new_cycle(model_ptr); |
| 607 | } |
| 608 | } |
| 609 | |
| 610 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 611 | model_ptr->cr_fpscr_busy |= out_mask; |
| 612 | busy_ptr->cr_fpscr_busy |= out_mask; |
| 613 | if (out_mask) |
| 614 | busy_ptr->nr_writebacks = 1; |
| 615 | |
| 616 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 617 | model_trace_make_busy(model_ptr, 0, 0, out_mask); |
| 618 | |
| 619 | |
| 620 | # Schedule an instruction that takes floating point input registers and produces an output fp register |
| 621 | void::model-function::ppc_insn_float:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask |
| 622 | const unsigned32 fp_mask = out_mask | in_mask; |
| 623 | model_busy *busy_ptr; |
| 624 | |
| 625 | if ((model_ptr->fp_busy & fp_mask) != 0) { |
| 626 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ |
| 627 | |
| 628 | while ((model_ptr->fp_busy & fp_mask) != 0) { |
| 629 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 630 | model_trace_busy_p(model_ptr, 0, fp_mask, 0, PPC_NO_SPR); |
| 631 | |
| 632 | model_ptr->nr_stalls_data++; |
| 633 | model_new_cycle(model_ptr); |
| 634 | } |
| 635 | } |
| 636 | |
| 637 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 638 | model_ptr->fp_busy |= out_mask; |
| 639 | busy_ptr->fp_busy |= out_mask; |
| 640 | busy_ptr->nr_writebacks = 1; |
| 641 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 642 | model_trace_make_busy(model_ptr, 0, out_mask, 0); |
| 643 | |
| 644 | |
| 645 | # Schedule an instruction that takes floating point input registers and produces an output fp register & sets a CR reg |
| 646 | void::model-function::ppc_insn_float_cr:itable_index index, model_data *model_ptr, const unsigned32 out_mask, const unsigned32 in_mask, const unsigned32 cr_mask |
| 647 | const unsigned32 fp_mask = out_mask | in_mask; |
| 648 | model_busy *busy_ptr; |
| 649 | |
| 650 | if ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
| 651 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ |
| 652 | |
| 653 | while ((model_ptr->fp_busy & fp_mask) || (model_ptr->cr_fpscr_busy & cr_mask)) { |
| 654 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 655 | model_trace_busy_p(model_ptr, 0, fp_mask, cr_mask, PPC_NO_SPR); |
| 656 | |
| 657 | model_ptr->nr_stalls_data++; |
| 658 | model_new_cycle(model_ptr); |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 663 | model_ptr->fp_busy |= out_mask; |
| 664 | busy_ptr->fp_busy |= out_mask; |
| 665 | model_ptr->cr_fpscr_busy |= cr_mask; |
| 666 | busy_ptr->cr_fpscr_busy |= cr_mask; |
| 667 | busy_ptr->nr_writebacks = (cr_mask) ? 2 : 1; |
| 668 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 669 | model_trace_make_busy(model_ptr, 0, out_mask, cr_mask); |
| 670 | |
| 671 | |
| 672 | # Schedule an instruction that takes both int/float input registers and produces output int/float registers |
| 673 | void::model-function::ppc_insn_int_float:itable_index index, model_data *model_ptr, const unsigned32 out_int_mask, const unsigned32 out_fp_mask, const unsigned32 in_int_mask, const unsigned32 in_fp_mask |
| 674 | const unsigned32 int_mask = out_int_mask | in_int_mask; |
| 675 | const unsigned32 fp_mask = out_fp_mask | in_fp_mask; |
| 676 | model_busy *busy_ptr; |
| 677 | |
| 678 | if ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { |
| 679 | model_new_cycle(model_ptr); /* don't count first dependency as a stall */ |
| 680 | |
| 681 | while ((model_ptr->int_busy & int_mask) || (model_ptr->fp_busy & fp_mask)) { |
| 682 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 683 | model_trace_busy_p(model_ptr, int_mask, fp_mask, 0, PPC_NO_SPR); |
| 684 | |
| 685 | model_ptr->nr_stalls_data++; |
| 686 | model_new_cycle(model_ptr); |
| 687 | } |
| 688 | |
| 689 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 690 | model_ptr->int_busy |= out_int_mask; |
| 691 | busy_ptr->int_busy |= out_int_mask; |
| 692 | model_ptr->fp_busy |= out_fp_mask; |
| 693 | busy_ptr->fp_busy |= out_fp_mask; |
| 694 | busy_ptr->nr_writebacks = ((out_int_mask) ? 1 : 0) + ((out_fp_mask) ? 1 : 0); |
| 695 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 696 | model_trace_make_busy(model_ptr, out_int_mask, out_fp_mask, 0); |
| 697 | return; |
| 698 | } |
| 699 | |
| 700 | # Schedule an MFSPR instruction that takes 1 special purpose register and produces an integer output register |
| 701 | void::model-function::ppc_insn_from_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR |
| 702 | model_busy *busy_ptr; |
| 703 | |
| 704 | while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { |
| 705 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 706 | model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); |
| 707 | |
| 708 | model_ptr->nr_stalls_data++; |
| 709 | model_new_cycle(model_ptr); |
| 710 | } |
| 711 | |
| 712 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 713 | model_ptr->int_busy |= int_mask; |
| 714 | busy_ptr->int_busy |= int_mask; |
| 715 | busy_ptr->nr_writebacks = 1; |
| 716 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 717 | model_trace_make_busy(model_ptr, int_mask, 0, 0); |
| 718 | |
| 719 | # Schedule an MTSPR instruction that takes 1 integer register and produces a special purpose output register |
| 720 | void::model-function::ppc_insn_to_spr:itable_index index, model_data *model_ptr, const unsigned32 int_mask, const unsigned nSPR |
| 721 | model_busy *busy_ptr; |
| 722 | |
| 723 | while ((model_ptr->int_busy & int_mask) != 0 || model_ptr->spr_busy[nSPR] != 0) { |
| 724 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 725 | model_trace_busy_p(model_ptr, int_mask, 0, 0, nSPR); |
| 726 | |
| 727 | model_ptr->nr_stalls_data++; |
| 728 | model_new_cycle(model_ptr); |
| 729 | } |
| 730 | |
| 731 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 732 | busy_ptr->spr_busy = nSPR; |
| 733 | model_ptr->spr_busy[nSPR] = 1; |
| 734 | busy_ptr->nr_writebacks = 1; |
| 735 | TRACE(trace_model,("Making register %s busy.\n", spr_name(nSPR))); |
| 736 | |
| 737 | # Schedule a MFCR instruction that moves the CR into an integer register |
| 738 | void::model-function::ppc_insn_mfcr:itable_index index, model_data *model_ptr, unsigned32 int_mask |
| 739 | const unsigned32 cr_mask = 0xff; |
| 740 | model_busy *busy_ptr; |
| 741 | |
| 742 | while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { |
| 743 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 744 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); |
| 745 | |
| 746 | model_ptr->nr_stalls_data++; |
| 747 | model_new_cycle(model_ptr); |
| 748 | } |
| 749 | |
| 750 | busy_ptr = model_wait_for_unit(index, model_ptr, &model_ptr->timing[index]); |
| 751 | model_ptr->int_busy |= int_mask; |
| 752 | busy_ptr->int_busy |= int_mask; |
| 753 | busy_ptr->nr_writebacks = 1; |
| 754 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 755 | model_trace_make_busy(model_ptr, int_mask, 0, 0); |
| 756 | |
| 757 | # Schedule a MTCR instruction that moves an integer register into the CR |
| 758 | void::model-function::ppc_insn_mtcr:itable_index index, model_data *model_ptr, unsigned32 int_mask, unsigned FXM |
| 759 | int f; |
| 760 | int nr_crs = 0; |
| 761 | unsigned32 cr_mask = 0; |
| 762 | const model_time *normal_time = &model_ptr->timing[index]; |
| 763 | static const model_time ppc604_1bit_time = { PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 }; |
| 764 | model_busy *busy_ptr; |
| 765 | |
| 766 | for (f = 0; f < 8; f++) { |
| 767 | if (FXM & (0x80 >> f)) { |
| 768 | cr_mask |= (1 << f); |
| 769 | nr_crs++; |
| 770 | } |
| 771 | } |
| 772 | |
| 773 | while (((model_ptr->int_busy & int_mask) | (model_ptr->cr_fpscr_busy & cr_mask)) != 0) { |
| 774 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 775 | model_trace_busy_p(model_ptr, int_mask, 0, cr_mask, PPC_NO_SPR); |
| 776 | |
| 777 | model_ptr->nr_stalls_data++; |
| 778 | model_new_cycle(model_ptr); |
| 779 | } |
| 780 | |
| 781 | /* If only one CR is being moved, use the SCIU, not the MCIU on the 604 */ |
| 782 | if (CURRENT_MODEL == MODEL_ppc604 && nr_crs == 1) { |
| 783 | normal_time = &ppc604_1bit_time; |
| 784 | } |
| 785 | |
| 786 | busy_ptr = model_wait_for_unit(index, model_ptr, normal_time); |
| 787 | busy_ptr->cr_fpscr_busy |= cr_mask; |
| 788 | model_ptr->cr_fpscr_busy |= cr_mask; |
| 789 | model_ptr->nr_mtcrf_crs[nr_crs]++; |
| 790 | busy_ptr->nr_writebacks = 1; |
| 791 | if (WITH_TRACE && ppc_trace[trace_model]) |
| 792 | model_trace_make_busy(model_ptr, 0, 0, cr_mask); |
| 793 | \f |
| 794 | model_data *::model-function::model_create:cpu *processor |
| 795 | model_data *model_ptr = ZALLOC(model_data); |
| 796 | model_ptr->name = model_name[CURRENT_MODEL]; |
| 797 | model_ptr->timing = model_time_mapping[CURRENT_MODEL]; |
| 798 | model_ptr->processor = processor; |
| 799 | model_ptr->nr_cycles = 1; |
| 800 | model_ptr->busy_tail = &model_ptr->busy_head; |
| 801 | switch (CURRENT_MODEL) { |
| 802 | case MODEL_ppc601: model_ptr->max_nr_writebacks = 1; break; /* ??? */ |
| 803 | case MODEL_ppc603: model_ptr->max_nr_writebacks = 2; break; |
| 804 | case MODEL_ppc603e: model_ptr->max_nr_writebacks = 2; break; |
| 805 | case MODEL_ppc604: model_ptr->max_nr_writebacks = 2; break; |
| 806 | default: error ("Unknown model %d\n", CURRENT_MODEL); |
| 807 | } |
| 808 | return model_ptr; |
| 809 | |
| 810 | void::model-function::model_init:model_data *model_ptr |
| 811 | |
| 812 | void::model-function::model_halt:model_data *model_ptr |
| 813 | /* Let pipeline drain */ |
| 814 | while (model_ptr->busy_head.next) |
| 815 | model_new_cycle(model_ptr); |
| 816 | |
| 817 | unsigned_word::model-function::model_get_number_of_stalls:model_data *model_ptr |
| 818 | return (model_ptr->nr_stalls_data |
| 819 | + model_ptr->nr_stalls_unit |
| 820 | + model_ptr->nr_stalls_serialize |
| 821 | + model_ptr->nr_stalls_writeback); |
| 822 | |
| 823 | unsigned_word::model-function::model_get_number_of_cycles:model_data *model_ptr |
| 824 | return (model_ptr->nr_cycles); |
| 825 | |
| 826 | model_print *::model-function::model_mon_info:model_data *model_ptr |
| 827 | model_print *head; |
| 828 | model_print *tail; |
| 829 | ppc_function_unit i; |
| 830 | count_type nr_insns; |
| 831 | int j; |
| 832 | |
| 833 | head = tail = ZALLOC(model_print); |
| 834 | tail->count = model_ptr->nr_cycles; |
| 835 | tail->name = "cycle"; |
| 836 | tail->suffix_plural = "s"; |
| 837 | tail->suffix_singular = ""; |
| 838 | |
| 839 | if (model_ptr->nr_stalls_data) { |
| 840 | tail->next = ZALLOC(model_print); |
| 841 | tail = tail->next; |
| 842 | tail->count = model_ptr->nr_stalls_data; |
| 843 | tail->name = "stall"; |
| 844 | tail->suffix_plural = "s waiting for data"; |
| 845 | tail->suffix_singular = " waiting for data"; |
| 846 | } |
| 847 | |
| 848 | if (model_ptr->nr_stalls_unit) { |
| 849 | tail->next = ZALLOC(model_print); |
| 850 | tail = tail->next; |
| 851 | tail->count = model_ptr->nr_stalls_unit; |
| 852 | tail->name = "stall"; |
| 853 | tail->suffix_plural = "s waiting for a function unit"; |
| 854 | tail->suffix_singular = " waiting for a function unit"; |
| 855 | } |
| 856 | |
| 857 | if (model_ptr->nr_stalls_serialize) { |
| 858 | tail->next = ZALLOC(model_print); |
| 859 | tail = tail->next; |
| 860 | tail->count = model_ptr->nr_stalls_serialize; |
| 861 | tail->name = "stall"; |
| 862 | tail->suffix_plural = "s waiting for serialization"; |
| 863 | tail->suffix_singular = " waiting for serialization"; |
| 864 | } |
| 865 | |
| 866 | if (model_ptr->nr_stalls_writeback) { |
| 867 | tail->next = ZALLOC(model_print); |
| 868 | tail = tail->next; |
| 869 | tail->count = model_ptr->nr_stalls_writeback; |
| 870 | tail->name = ""; |
| 871 | tail->suffix_plural = "times a write-back slot was unavailable"; |
| 872 | tail->suffix_singular = "time a writeback was unavailable"; |
| 873 | } |
| 874 | |
| 875 | if (model_ptr->nr_branches) { |
| 876 | tail->next = ZALLOC(model_print); |
| 877 | tail = tail->next; |
| 878 | tail->count = model_ptr->nr_branches; |
| 879 | tail->name = "branch"; |
| 880 | tail->suffix_plural = "es"; |
| 881 | tail->suffix_singular = ""; |
| 882 | } |
| 883 | |
| 884 | if (model_ptr->nr_branches_fallthrough) { |
| 885 | tail->next = ZALLOC(model_print); |
| 886 | tail = tail->next; |
| 887 | tail->count = model_ptr->nr_branches_fallthrough; |
| 888 | tail->name = "conditional branch"; |
| 889 | tail->suffix_plural = "es fell through"; |
| 890 | tail->suffix_singular = " fell through"; |
| 891 | } |
| 892 | |
| 893 | if (model_ptr->nr_branch_predict_trues) { |
| 894 | tail->next = ZALLOC(model_print); |
| 895 | tail = tail->next; |
| 896 | tail->count = model_ptr->nr_branch_predict_trues; |
| 897 | tail->name = "successful branch prediction"; |
| 898 | tail->suffix_plural = "s"; |
| 899 | tail->suffix_singular = ""; |
| 900 | } |
| 901 | |
| 902 | if (model_ptr->nr_branch_predict_falses) { |
| 903 | tail->next = ZALLOC(model_print); |
| 904 | tail = tail->next; |
| 905 | tail->count = model_ptr->nr_branch_predict_falses; |
| 906 | tail->name = "unsuccessful branch prediction"; |
| 907 | tail->suffix_plural = "s"; |
| 908 | tail->suffix_singular = ""; |
| 909 | } |
| 910 | |
| 911 | for (j = 0; j < ARRAY_SIZE (ppc_branch_conditional_name); j++) { |
| 912 | if (model_ptr->nr_branch_conditional[j]) { |
| 913 | tail->next = ZALLOC(model_print); |
| 914 | tail = tail->next; |
| 915 | tail->count = model_ptr->nr_branch_conditional[j]; |
| 916 | tail->name = ppc_branch_conditional_name[j]; |
| 917 | tail->suffix_plural = " conditional branches"; |
| 918 | tail->suffix_singular = " conditional branch"; |
| 919 | } |
| 920 | } |
| 921 | |
| 922 | for (j = 0; j < 9; j++) { |
| 923 | if (model_ptr->nr_mtcrf_crs[j]) { |
| 924 | tail->next = ZALLOC(model_print); |
| 925 | tail = tail->next; |
| 926 | tail->count = model_ptr->nr_mtcrf_crs[j]; |
| 927 | tail->name = ppc_nr_mtcrf_crs[j]; |
| 928 | tail->suffix_plural = " instructions"; |
| 929 | tail->suffix_singular = " instruction"; |
| 930 | } |
| 931 | } |
| 932 | |
| 933 | nr_insns = 0; |
| 934 | for (i = PPC_UNIT_BAD; i < nr_ppc_function_units; i++) { |
| 935 | if (model_ptr->nr_units[i]) { |
| 936 | nr_insns += model_ptr->nr_units[i]; |
| 937 | tail->next = ZALLOC(model_print); |
| 938 | tail = tail->next; |
| 939 | tail->count = model_ptr->nr_units[i]; |
| 940 | tail->name = ppc_function_unit_name[i]; |
| 941 | tail->suffix_plural = "s"; |
| 942 | tail->suffix_singular = ""; |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | tail->next = ZALLOC(model_print); |
| 947 | tail = tail->next; |
| 948 | tail->count = nr_insns; |
| 949 | tail->name = "instruction"; |
| 950 | tail->suffix_plural = "s that were accounted for in timing info"; |
| 951 | tail->suffix_singular = " that was accounted for in timing info"; |
| 952 | |
| 953 | tail->next = (model_print *)0; |
| 954 | return head; |
| 955 | |
| 956 | void::model-function::model_mon_info_free:model_data *model_ptr, model_print *ptr |
| 957 | while (ptr) { |
| 958 | model_print *next = ptr->next; |
| 959 | free((void *)ptr); |
| 960 | ptr = next; |
| 961 | } |
| 962 | |
| 963 | void::model-function::model_branches:model_data *model_ptr, int failed, int conditional |
| 964 | model_ptr->nr_units[PPC_UNIT_BPU]++; |
| 965 | if (failed) |
| 966 | model_ptr->nr_branches_fallthrough++; |
| 967 | else |
| 968 | model_ptr->nr_branches++; |
| 969 | if (conditional >= 0) |
| 970 | model_ptr->nr_branch_conditional[conditional]++; |
| 971 | model_new_cycle(model_ptr); /* A branch always ends the current cycle */ |
| 972 | |
| 973 | void::model-function::model_branch_predict:model_data *model_ptr, int success |
| 974 | if (success) |
| 975 | model_ptr->nr_branch_predict_trues++; |
| 976 | else |
| 977 | model_ptr->nr_branch_predict_falses++; |
| 978 | |
| 979 | \f |
| 980 | # The following (illegal) instruction is `known' by gen and is |
| 981 | # called when ever an illegal instruction is encountered |
| 982 | ::internal::illegal |
| 983 | program_interrupt(processor, cia, |
| 984 | illegal_instruction_program_interrupt); |
| 985 | |
| 986 | |
| 987 | # The following (floating point unavailable) instruction is `known' by gen |
| 988 | # and is called when ever an a floating point instruction is to be |
| 989 | # executed but floating point is make unavailable by the MSR |
| 990 | ::internal::floating_point_unavailable |
| 991 | floating_point_unavailable_interrupt(processor, cia); |
| 992 | |
| 993 | |
| 994 | # |
| 995 | # Floating point support functions |
| 996 | # |
| 997 | |
| 998 | # Convert 32bit single to 64bit double |
| 999 | unsigned64::function::DOUBLE:unsigned32 WORD |
| 1000 | unsigned64 FRT; |
| 1001 | if (EXTRACTED32(WORD, 1, 8) > 0 |
| 1002 | && EXTRACTED32(WORD, 1, 8) < 255) { |
| 1003 | /* normalized operand */ |
| 1004 | int not_word_1_1 = !EXTRACTED32(WORD, 1, 1); /*2.6.3 bug*/ |
| 1005 | FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) |
| 1006 | | INSERTED64(not_word_1_1, 2, 2) |
| 1007 | | INSERTED64(not_word_1_1, 3, 3) |
| 1008 | | INSERTED64(not_word_1_1, 4, 4) |
| 1009 | | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); |
| 1010 | } |
| 1011 | else if (EXTRACTED32(WORD, 1, 8) == 0 |
| 1012 | && EXTRACTED32(WORD, 9, 31) != 0) { |
| 1013 | /* denormalized operand */ |
| 1014 | int sign = EXTRACTED32(WORD, 0, 0); |
| 1015 | int exp = -126; |
| 1016 | unsigned64 frac = INSERTED64(EXTRACTED32(WORD, 9, 31), 1, (52 - 29)); |
| 1017 | /* normalize the operand */ |
| 1018 | while (MASKED64(frac, 0, 0) == 0) { |
| 1019 | frac <<= 1; |
| 1020 | exp -= 1; |
| 1021 | } |
| 1022 | FRT = (INSERTED64(sign, 0, 0) |
| 1023 | | INSERTED64(exp + 1023, 1, 11) |
| 1024 | | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); |
| 1025 | } |
| 1026 | else if (EXTRACTED32(WORD, 1, 8) == 255 |
| 1027 | || EXTRACTED32(WORD, 1, 31) == 0) { |
| 1028 | FRT = (INSERTED64(EXTRACTED32(WORD, 0, 1), 0, 1) |
| 1029 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 2, 2) |
| 1030 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 3, 3) |
| 1031 | | INSERTED64(EXTRACTED32(WORD, 1, 1), 4, 4) |
| 1032 | | INSERTED64(EXTRACTED32(WORD, 2, 31), 5, (63 - 29))); |
| 1033 | } |
| 1034 | else { |
| 1035 | error("DOUBLE - unknown case\n"); |
| 1036 | FRT = 0; |
| 1037 | } |
| 1038 | return FRT; |
| 1039 | |
| 1040 | # Convert 64bit single to 32bit double |
| 1041 | unsigned32::function::SINGLE:unsigned64 FRS |
| 1042 | unsigned32 WORD; |
| 1043 | if (EXTRACTED64(FRS, 1, 11) > 896 |
| 1044 | || EXTRACTED64(FRS, 1, 63) == 0) { |
| 1045 | /* no denormalization required (includes Zero/Infinity/NaN) */ |
| 1046 | WORD = (INSERTED32(EXTRACTED64(FRS, 0, 1), 0, 1) |
| 1047 | | INSERTED32(EXTRACTED64(FRS, 5, 34), 2, 31)); |
| 1048 | } |
| 1049 | else if (874 <= EXTRACTED64(FRS, 1, 11) |
| 1050 | && EXTRACTED64(FRS, 1, 11) <= 896) { |
| 1051 | /* denormalization required */ |
| 1052 | int sign = EXTRACTED64(FRS, 0, 0); |
| 1053 | int exp = EXTRACTED64(FRS, 1, 11) - 1023; |
| 1054 | unsigned64 frac = (BIT64(0) |
| 1055 | | INSERTED64(EXTRACTED64(FRS, 12, 63), 1, 52)); |
| 1056 | /* denormalize the operand */ |
| 1057 | while (exp < -126) { |
| 1058 | frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); |
| 1059 | exp += 1; |
| 1060 | } |
| 1061 | WORD = (INSERTED32(sign, 0, 0) |
| 1062 | | INSERTED32(0x00, 1, 8) |
| 1063 | | INSERTED32(EXTRACTED64(frac, 1, 23), 9, 31)); |
| 1064 | } |
| 1065 | else { |
| 1066 | WORD = 0x0; /* ??? */ |
| 1067 | } |
| 1068 | return WORD; |
| 1069 | |
| 1070 | |
| 1071 | # round 64bit double to 64bit but single |
| 1072 | void::function::Round_Single:cpu *processor, int sign, int *exp, unsigned64 *frac_grx |
| 1073 | /* comparisons ignore u bits */ |
| 1074 | unsigned64 out; |
| 1075 | int inc = 0; |
| 1076 | int lsb = EXTRACTED64(*frac_grx, 23, 23); |
| 1077 | int gbit = EXTRACTED64(*frac_grx, 24, 24); |
| 1078 | int rbit = EXTRACTED64(*frac_grx, 25, 25); |
| 1079 | int xbit = EXTRACTED64(*frac_grx, 26, 55) != 0; |
| 1080 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { |
| 1081 | if (lsb == 1 && gbit == 1) inc = 1; |
| 1082 | if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; |
| 1083 | if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; |
| 1084 | } |
| 1085 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { |
| 1086 | if (sign == 0 && gbit == 1) inc = 1; |
| 1087 | if (sign == 0 && rbit == 1) inc = 1; |
| 1088 | if (sign == 0 && xbit == 1) inc = 1; |
| 1089 | } |
| 1090 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { |
| 1091 | if (sign == 1 && gbit == 1) inc = 1; |
| 1092 | if (sign == 1 && rbit == 1) inc = 1; |
| 1093 | if (sign == 1 && xbit == 1) inc = 1; |
| 1094 | } |
| 1095 | /* work out addition in low 25 bits of out */ |
| 1096 | out = EXTRACTED64(*frac_grx, 0, 23) + inc; |
| 1097 | *frac_grx = INSERTED64(out, 0, 23); |
| 1098 | if (out & BIT64(64 - 23 - 1 - 1)) { |
| 1099 | *frac_grx = (BIT64(0) | |
| 1100 | INSERTED64(EXTRACTED64(*frac_grx, 0, 22), 1, 23)); |
| 1101 | *exp = *exp + 1; |
| 1102 | } |
| 1103 | /* frac_grx[24:52] = 0 already */ |
| 1104 | FPSCR_SET_FR(inc); |
| 1105 | FPSCR_SET_FI(gbit || rbit || xbit); |
| 1106 | |
| 1107 | |
| 1108 | # |
| 1109 | void::function::Round_Integer:cpu *processor, int sign, unsigned64 *frac, int *frac64, int gbit, int rbit, int xbit, fpscreg round_mode |
| 1110 | int inc = 0; |
| 1111 | if (round_mode == fpscr_rn_round_to_nearest) { |
| 1112 | if (*frac64 == 1 && gbit == 1) inc = 1; |
| 1113 | if (*frac64 == 0 && gbit == 1 && rbit == 1) inc = 1; |
| 1114 | if (*frac64 == 0 && gbit == 1 && xbit == 1) inc = 1; |
| 1115 | } |
| 1116 | if (round_mode == fpscr_rn_round_towards_pos_infinity) { |
| 1117 | if (sign == 0 && gbit == 1) inc = 1; |
| 1118 | if (sign == 0 && rbit == 1) inc = 1; |
| 1119 | if (sign == 0 && xbit == 1) inc = 1; |
| 1120 | } |
| 1121 | if (round_mode == fpscr_rn_round_towards_neg_infinity) { |
| 1122 | if (sign == 1 && gbit == 1) inc = 1; |
| 1123 | if (sign == 1 && rbit == 1) inc = 1; |
| 1124 | if (sign == 1 && xbit == 1) inc = 1; |
| 1125 | } |
| 1126 | /* frac[0:64] = frac[0:64} + inc */ |
| 1127 | *frac += (*frac64 && inc ? 1 : 0); |
| 1128 | *frac64 = (*frac64 + inc) & 0x1; |
| 1129 | FPSCR_SET_FR(inc); |
| 1130 | FPSCR_SET_FI(gbit | rbit | xbit); |
| 1131 | |
| 1132 | |
| 1133 | void::function::Round_Float:cpu *processor, int sign, int *exp, unsigned64 *frac, fpscreg round_mode |
| 1134 | int carry_out; |
| 1135 | int inc = 0; |
| 1136 | int lsb = EXTRACTED64(*frac, 52, 52); |
| 1137 | int gbit = EXTRACTED64(*frac, 53, 53); |
| 1138 | int rbit = EXTRACTED64(*frac, 54, 54); |
| 1139 | int xbit = EXTRACTED64(*frac, 55, 55); |
| 1140 | if (round_mode == fpscr_rn_round_to_nearest) { |
| 1141 | if (lsb == 1 && gbit == 1) inc = 1; |
| 1142 | if (lsb == 0 && gbit == 1 && rbit == 1) inc = 1; |
| 1143 | if (lsb == 0 && gbit == 1 && xbit == 1) inc = 1; |
| 1144 | } |
| 1145 | if (round_mode == fpscr_rn_round_towards_pos_infinity) { |
| 1146 | if (sign == 0 && gbit == 1) inc = 1; |
| 1147 | if (sign == 0 && rbit == 1) inc = 1; |
| 1148 | if (sign == 0 && xbit == 1) inc = 1; |
| 1149 | } |
| 1150 | if (round_mode == fpscr_rn_round_towards_neg_infinity) { |
| 1151 | if (sign == 1 && gbit == 1) inc = 1; |
| 1152 | if (sign == 1 && rbit == 1) inc = 1; |
| 1153 | if (sign == 1 && xbit == 1) inc = 1; |
| 1154 | } |
| 1155 | /* frac//carry_out = frac + inc */ |
| 1156 | *frac = (*frac >> 1) + (INSERTED64(inc, 52, 52) >> 1); |
| 1157 | carry_out = EXTRACTED64(*frac, 0, 0); |
| 1158 | *frac <<= 1; |
| 1159 | if (carry_out == 1) *exp = *exp + 1; |
| 1160 | FPSCR_SET_FR(inc); |
| 1161 | FPSCR_SET_FI(gbit | rbit | xbit); |
| 1162 | FPSCR_SET_XX(FPSCR & fpscr_fi); |
| 1163 | |
| 1164 | |
| 1165 | # conversion of FP to integer |
| 1166 | void::function::convert_to_integer:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 frb, fpscreg round_mode, int tgt_precision |
| 1167 | int i; |
| 1168 | int exp = 0; |
| 1169 | unsigned64 frac = 0; |
| 1170 | int frac64 = 0; |
| 1171 | int gbit = 0; |
| 1172 | int rbit = 0; |
| 1173 | int xbit = 0; |
| 1174 | int sign = EXTRACTED64(frb, 0, 0); |
| 1175 | /***/ |
| 1176 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 63) == 0) |
| 1177 | GOTO(Infinity_Operand); |
| 1178 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 0) |
| 1179 | GOTO(SNaN_Operand); |
| 1180 | if (EXTRACTED64(frb, 1, 11) == 2047 && EXTRACTED64(frb, 12, 12) == 1) |
| 1181 | GOTO(QNaN_Operand); |
| 1182 | if (EXTRACTED64(frb, 1, 11) > 1086) GOTO(Large_Operand); |
| 1183 | if (EXTRACTED64(frb, 1, 11) > 0) exp = EXTRACTED64(frb, 1, 11) - 1023; |
| 1184 | if (EXTRACTED64(frb, 1, 11) == 0) exp = -1022; |
| 1185 | if (EXTRACTED64(frb, 1, 11) > 0) { /* normal */ |
| 1186 | frac = BIT64(1) | INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); |
| 1187 | frac64 = 0; |
| 1188 | } |
| 1189 | if (EXTRACTED64(frb, 1, 11) == 0) { /* denorm */ |
| 1190 | frac = INSERTED64(EXTRACTED64(frb, 12, 63), 2, 53); |
| 1191 | frac64 = 0; |
| 1192 | } |
| 1193 | gbit = 0, rbit = 0, xbit = 0; |
| 1194 | for (i = 1; i <= 63 - exp; i++) { |
| 1195 | xbit = rbit | xbit; |
| 1196 | rbit = gbit; |
| 1197 | gbit = frac64; |
| 1198 | frac64 = EXTRACTED64(frac, 63, 63); |
| 1199 | frac = INSERTED64(EXTRACTED64(frac, 0, 62), 1, 63); |
| 1200 | } |
| 1201 | Round_Integer(processor, sign, &frac, &frac64, gbit, rbit, xbit, round_mode); |
| 1202 | if (sign == 1) { /* frac[0:64] = ~frac[0:64] + 1 */ |
| 1203 | frac = ~frac; |
| 1204 | frac64 ^= 1; |
| 1205 | frac += (frac64 ? 1 : 0); |
| 1206 | frac64 = (frac64 + 1) & 0x1; |
| 1207 | } |
| 1208 | if (tgt_precision == 32 /* can ignore frac64 in compare */ |
| 1209 | && (signed64)frac > (signed64)MASK64(33+1, 63)/*2^31-1 >>1*/) |
| 1210 | GOTO(Large_Operand); |
| 1211 | if (tgt_precision == 64 /* can ignore frac64 in compare */ |
| 1212 | && (signed64)frac > (signed64)MASK64(1+1, 63)/*2^63-1 >>1*/) |
| 1213 | GOTO(Large_Operand); |
| 1214 | if (tgt_precision == 32 /* can ignore frac64 in compare */ |
| 1215 | && (signed64)frac < (signed64)MASK64(0, 32+1)/*-2^31 >>1*/) |
| 1216 | GOTO(Large_Operand); |
| 1217 | if (tgt_precision == 64 /* can ignore frac64 in compare */ |
| 1218 | && (signed64)frac < (signed64)MASK64(0, 0+1)/*-2^63 >>1*/) |
| 1219 | GOTO(Large_Operand); |
| 1220 | FPSCR_SET_XX(FPSCR & fpscr_fi); |
| 1221 | if (tgt_precision == 32) |
| 1222 | *frt = MASKED64(*frt, 0, 31) | (EXTRACTED64(frac, 33, 63) << 1) | frac64; |
| 1223 | if (tgt_precision == 64) |
| 1224 | *frt = (EXTRACTED64(frac, 1, 63) << 1) | frac64; |
| 1225 | /*FPSCR[fprf] = undefined */ |
| 1226 | GOTO(Done); |
| 1227 | /**/ |
| 1228 | LABEL(Infinity_Operand): |
| 1229 | FPSCR_SET_FR(0); |
| 1230 | FPSCR_SET_FI(0); |
| 1231 | FPSCR_OR_VX(fpscr_vxcvi); |
| 1232 | if ((FPSCR & fpscr_ve) == 0) { |
| 1233 | if (tgt_precision == 32) { |
| 1234 | if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7FFFFFFF; |
| 1235 | if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; |
| 1236 | } |
| 1237 | else { |
| 1238 | if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ |
| 1239 | if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ |
| 1240 | } |
| 1241 | /* FPSCR[FPRF] = undefined */ |
| 1242 | } |
| 1243 | GOTO(Done); |
| 1244 | /**/ |
| 1245 | LABEL(SNaN_Operand): |
| 1246 | FPSCR_SET_FR(0); |
| 1247 | FPSCR_SET_FI(0); |
| 1248 | FPSCR_OR_VX(fpscr_vxsnan | fpscr_vxcvi); |
| 1249 | if ((FPSCR & fpscr_ve) == 0) { |
| 1250 | if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; |
| 1251 | if (tgt_precision == 64) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ |
| 1252 | /* FPSCR[fprf] = undefined */ |
| 1253 | } |
| 1254 | GOTO(Done); |
| 1255 | /**/ |
| 1256 | LABEL(QNaN_Operand): |
| 1257 | FPSCR_SET_FR(0); |
| 1258 | FPSCR_SET_FI(0); |
| 1259 | FPSCR_OR_VX(fpscr_vxcvi); |
| 1260 | if ((FPSCR & fpscr_ve) == 0) { |
| 1261 | if (tgt_precision == 32) *frt = MASKED64(*frt, 0, 31) | 0x80000000; |
| 1262 | if (tgt_precision == 64) *frt = BIT64(0);/*0x8000_0000_0000_0000*/ |
| 1263 | /* FPSCR[fprf] = undefined */ |
| 1264 | } |
| 1265 | GOTO(Done); |
| 1266 | /**/ |
| 1267 | LABEL(Large_Operand): |
| 1268 | FPSCR_SET_FR(0); |
| 1269 | FPSCR_SET_FI(0); |
| 1270 | FPSCR_OR_VX(fpscr_vxcvi); |
| 1271 | if ((FPSCR & fpscr_ve) == 0) { |
| 1272 | if (tgt_precision == 32) { |
| 1273 | if (sign == 0) *frt = MASKED64(*frt, 0, 31) | 0x7fffffff; |
| 1274 | if (sign == 1) *frt = MASKED64(*frt, 0, 31) | 0x80000000; |
| 1275 | } |
| 1276 | else { |
| 1277 | if (sign == 0) *frt = MASK64(1, 63); /*0x7FFF_FFFF_FFFF_FFFF*/ |
| 1278 | if (sign == 1) *frt = BIT64(0); /*0x8000_0000_0000_0000*/ |
| 1279 | } |
| 1280 | /* FPSCR[fprf] = undefined */ |
| 1281 | } |
| 1282 | /**/ |
| 1283 | LABEL(Done):; |
| 1284 | |
| 1285 | |
| 1286 | # extract out raw fields of a FP number |
| 1287 | int::function::sign:unsigned64 FRS |
| 1288 | return (MASKED64(FRS, 0, 0) |
| 1289 | ? -1 |
| 1290 | : 1); |
| 1291 | int::function::biased_exp:unsigned64 frs, int single |
| 1292 | if (single) |
| 1293 | return EXTRACTED64(frs, 1, 8); |
| 1294 | else |
| 1295 | return EXTRACTED64(frs, 1, 11); |
| 1296 | unsigned64::function::fraction:unsigned64 frs, int single |
| 1297 | if (single) |
| 1298 | return EXTRACTED64(frs, 9, 31); |
| 1299 | else |
| 1300 | return EXTRACTED64(frs, 12, 63); |
| 1301 | |
| 1302 | # a number?, each of the below return +1 or -1 (based on sign bit) |
| 1303 | # if true. |
| 1304 | int::function::is_nor:unsigned64 frs, int single |
| 1305 | int exp = biased_exp(frs, single); |
| 1306 | return (exp >= 1 |
| 1307 | && exp <= (single ? 254 : 2046)); |
| 1308 | int::function::is_zero:unsigned64 FRS |
| 1309 | return (MASKED64(FRS, 1, 63) == 0 |
| 1310 | ? sign(FRS) |
| 1311 | : 0); |
| 1312 | int::function::is_den:unsigned64 frs, int single |
| 1313 | int exp = biased_exp(frs, single); |
| 1314 | unsigned64 frac = fraction(frs, single); |
| 1315 | return (exp == 0 && frac != 0 |
| 1316 | ? sign(frs) |
| 1317 | : 0); |
| 1318 | int::function::is_inf:unsigned64 frs, int single |
| 1319 | int exp = biased_exp(frs, single); |
| 1320 | unsigned64 frac = fraction(frs, single); |
| 1321 | return (exp == (single ? 255 : 2047) && frac == 0 |
| 1322 | ? sign(frs) |
| 1323 | : 0); |
| 1324 | int::function::is_NaN:unsigned64 frs, int single |
| 1325 | int exp = biased_exp(frs, single); |
| 1326 | unsigned64 frac = fraction(frs, single); |
| 1327 | return (exp == (single ? 255 : 2047) && frac != 0 |
| 1328 | ? sign(frs) |
| 1329 | : 0); |
| 1330 | int::function::is_SNaN:unsigned64 frs, int single |
| 1331 | return (is_NaN(frs, single) |
| 1332 | && !(frs & (single ? MASK64(9, 9) : MASK64(12, 12))) |
| 1333 | ? sign(frs) |
| 1334 | : 0); |
| 1335 | int::function::is_QNaN:unsigned64 frs, int single |
| 1336 | return (is_NaN(frs, single) && !is_SNaN(frs, single)); |
| 1337 | int::function::is_less_than:unsigned64 *fra, unsigned64 *frb |
| 1338 | return *(double*)fra < *(double*)frb; |
| 1339 | int::function::is_greater_than:unsigned64 *fra, unsigned64 *frb |
| 1340 | return *(double*)fra > *(double*)frb; |
| 1341 | int::function::is_equan_to:unsigned64 *fra, unsigned64 *frb |
| 1342 | return *(double*)fra == *(double*)frb; |
| 1343 | |
| 1344 | |
| 1345 | # which quiet nan should become the result |
| 1346 | unsigned64::function::select_qnan:unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int generate_qnan, int single |
| 1347 | unsigned64 frt = 0; |
| 1348 | if (is_NaN(fra, single)) |
| 1349 | frt = fra; |
| 1350 | else if (is_NaN(frb, single)) |
| 1351 | if (instruction_is_frsp) |
| 1352 | frt = MASKED64(frb, 0, 34); |
| 1353 | else |
| 1354 | frt = frb; |
| 1355 | else if (is_NaN(frc, single)) |
| 1356 | frt = frc; |
| 1357 | else if (generate_qnan) |
| 1358 | frt = MASK64(1, 12); /* 0x7FF8_0000_0000_0000 */ |
| 1359 | else |
| 1360 | error("select_qnan - default reached\n"); |
| 1361 | return frt; |
| 1362 | |
| 1363 | |
| 1364 | # detect invalid operation |
| 1365 | int::function::is_invalid_operation:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, fpscreg check, int single, int negate |
| 1366 | int fail = 0; |
| 1367 | if ((check & fpscr_vxsnan) |
| 1368 | && (is_SNaN(fra, single) || is_SNaN(frb, single))) { |
| 1369 | FPSCR_OR_VX(fpscr_vxsnan); |
| 1370 | fail = 1; |
| 1371 | } |
| 1372 | if ((check & fpscr_vxisi) |
| 1373 | && (is_inf(fra, single) && is_inf(frb, single)) |
| 1374 | && ((negate && sign(fra) != sign(frb)) |
| 1375 | || (!negate && sign(fra) == sign(frb)))) { |
| 1376 | /*FIXME: don't handle inf-inf VS inf+-inf */ |
| 1377 | FPSCR_OR_VX(fpscr_vxisi); |
| 1378 | fail = 1; |
| 1379 | } |
| 1380 | if ((check & fpscr_vxidi) |
| 1381 | && (is_inf(fra, single) && is_inf(frb, single))) { |
| 1382 | FPSCR_OR_VX(fpscr_vxidi); |
| 1383 | fail = 1; |
| 1384 | } |
| 1385 | if ((check & fpscr_vxzdz) |
| 1386 | && (is_zero(fra) && is_zero(frb))) { |
| 1387 | FPSCR_OR_VX(fpscr_vxzdz); |
| 1388 | fail = 1; |
| 1389 | } |
| 1390 | if ((check & fpscr_vximz) |
| 1391 | && (is_zero(fra) && is_inf(frb, single))) { |
| 1392 | FPSCR_OR_VX(fpscr_vximz); |
| 1393 | fail = 1; |
| 1394 | } |
| 1395 | if ((check & fpscr_vxvc) |
| 1396 | && (is_NaN(fra, single) || is_NaN(frb, single))) { |
| 1397 | FPSCR_OR_VX(fpscr_vxvc); |
| 1398 | fail = 1; |
| 1399 | } |
| 1400 | if ((check & fpscr_vxsoft)) { |
| 1401 | FPSCR_OR_VX(fpscr_vxsoft); |
| 1402 | fail = 1; |
| 1403 | } |
| 1404 | if ((check & fpscr_vxsqrt) |
| 1405 | && sign(fra) < 0) { |
| 1406 | FPSCR_OR_VX(fpscr_vxsqrt); |
| 1407 | fail = 1; |
| 1408 | } |
| 1409 | /* if ((check && fpscr_vxcvi) { |
| 1410 | && (is_inf(fra, single) || is_NaN(fra, single) || is_large(fra, single))) |
| 1411 | FPSCR_OR_VX(fpscr_vxcvi); |
| 1412 | fail = 1; |
| 1413 | } |
| 1414 | */ |
| 1415 | return fail; |
| 1416 | |
| 1417 | |
| 1418 | |
| 1419 | |
| 1420 | |
| 1421 | # handle case of invalid operation |
| 1422 | void::function::invalid_arithemetic_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, unsigned64 frc, int instruction_is_frsp, int instruction_is_convert_to_64bit, int instruction_is_convert_to_32bit, int single |
| 1423 | if (FPSCR & fpscr_ve) { |
| 1424 | /* invalid operation exception enabled */ |
| 1425 | /* FRT unchaged */ |
| 1426 | FPSCR_SET_FR(0); |
| 1427 | FPSCR_SET_FI(0); |
| 1428 | /* fpscr_FPRF unchanged */ |
| 1429 | } |
| 1430 | else { |
| 1431 | /* invalid operation exception disabled */ |
| 1432 | if (instruction_is_convert_to_64bit) { |
| 1433 | error("oopsi"); |
| 1434 | } |
| 1435 | else if (instruction_is_convert_to_32bit) { |
| 1436 | error("oopsi"); |
| 1437 | } |
| 1438 | else { /* arrith, frsp */ |
| 1439 | *frt = select_qnan(fra, frb, frc, |
| 1440 | instruction_is_frsp, 1/*generate*/, single); |
| 1441 | FPSCR_SET_FR(0); |
| 1442 | FPSCR_SET_FI(0); |
| 1443 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); |
| 1444 | } |
| 1445 | } |
| 1446 | |
| 1447 | |
| 1448 | |
| 1449 | |
| 1450 | # detect divide by zero |
| 1451 | int::function::is_invalid_zero_divide:cpu *processor, unsigned_word cia, unsigned64 fra, unsigned64 frb, int single |
| 1452 | int fail = 0; |
| 1453 | if (is_zero (frb)) { |
| 1454 | FPSCR_SET_ZX (1); |
| 1455 | fail = 1; |
| 1456 | } |
| 1457 | return fail; |
| 1458 | |
| 1459 | |
| 1460 | |
| 1461 | |
| 1462 | # handle case of invalid operation |
| 1463 | void::function::invalid_zero_divide_operation:cpu *processor, unsigned_word cia, unsigned64 *frt, unsigned64 fra, unsigned64 frb, int single |
| 1464 | if (FPSCR & fpscr_ze) { |
| 1465 | /* zero-divide exception enabled */ |
| 1466 | /* FRT unchaged */ |
| 1467 | FPSCR_SET_FR(0); |
| 1468 | FPSCR_SET_FI(0); |
| 1469 | /* fpscr_FPRF unchanged */ |
| 1470 | } |
| 1471 | else { |
| 1472 | /* zero-divide exception disabled */ |
| 1473 | FPSCR_SET_FR(0); |
| 1474 | FPSCR_SET_FI(0); |
| 1475 | if ((sign (fra) < 0 && sign (frb) < 0) |
| 1476 | || (sign (fra) > 0 && sign (frb) > 0)) { |
| 1477 | *frt = MASK64 (1, 11); /* 0 : 2047 : 0..0 */ |
| 1478 | FPSCR_SET_FPRF(fpscr_rf_pos_infinity); |
| 1479 | } |
| 1480 | else { |
| 1481 | *frt = MASK64 (0, 11); /* 1 : 2047 : 0..0 */ |
| 1482 | FPSCR_SET_FPRF(fpscr_rf_neg_infinity); |
| 1483 | } |
| 1484 | } |
| 1485 | |
| 1486 | |
| 1487 | |
| 1488 | |
| 1489 | |
| 1490 | # |
| 1491 | # 0.0.0.0 Illegal instruction used for kernel mode emulation |
| 1492 | # |
| 1493 | 0.0,6./,11./,16./,21./,31.1:X:::instruction_call |
| 1494 | if (!os_emul_instruction_call(processor, cia, real_addr(cia, 1))) |
| 1495 | program_interrupt(processor, cia, |
| 1496 | illegal_instruction_program_interrupt); |
| 1497 | |
| 1498 | # |
| 1499 | # I.2.4.1 Branch Instructions |
| 1500 | # |
| 1501 | 0.18,6.LI,30.AA,31.LK:I:::Branch |
| 1502 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1503 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1504 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1505 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1506 | /* option_mpc860c0: |
| 1507 | No problem here because this branch is predicted taken (unconditional). */ |
| 1508 | if (AA) NIA = IEA(EXTS(LI_0b00)); |
| 1509 | else NIA = IEA(CIA + EXTS(LI_0b00)); |
| 1510 | if (LK) LR = (spreg)CIA+4; |
| 1511 | if (CURRENT_MODEL_ISSUE > 0) |
| 1512 | model_branches(cpu_model(processor), 1, -1); |
| 1513 | |
| 1514 | 0.16,6.BO,11.BI,16.BD,30.AA,31.LK:B:::Branch Conditional |
| 1515 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1516 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1517 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1518 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1519 | int M, ctr_ok, cond_ok, succeed; |
| 1520 | if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) |
| 1521 | model_wait_for_cr(cpu_model(processor), BIT32_BI); |
| 1522 | if (is_64bit_implementation && is_64bit_mode) M = 0; |
| 1523 | else M = 32; |
| 1524 | if (!BO{2}) CTR = CTR - 1; |
| 1525 | ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != (BO{3})); |
| 1526 | cond_ok = BO{0} || ((CR{BI}) == (BO{1})); |
| 1527 | if (ctr_ok && cond_ok) { |
| 1528 | if (AA) NIA = IEA(EXTS(BD_0b00)); |
| 1529 | else NIA = IEA(CIA + EXTS(BD_0b00)); |
| 1530 | succeed = 1; |
| 1531 | } |
| 1532 | else |
| 1533 | succeed = 0; |
| 1534 | if (LK) LR = (spreg)IEA(CIA + 4); |
| 1535 | if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) { |
| 1536 | /* This branch is predicted as "normal". |
| 1537 | If this is a forward branch and it is near the end of a page, |
| 1538 | we've detected a problematic branch. */ |
| 1539 | if (succeed && NIA > CIA) { |
| 1540 | if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0) |
| 1541 | program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt); |
| 1542 | } |
| 1543 | } |
| 1544 | if (CURRENT_MODEL_ISSUE > 0) |
| 1545 | model_branches(cpu_model(processor), succeed, BO); |
| 1546 | if (! BO{0}) { |
| 1547 | int reverse; |
| 1548 | if (BO{4}) { /* branch prediction bit set, reverse sense of test */ |
| 1549 | reverse = EXTS(BD_0b00) < 0; |
| 1550 | } else { /* branch prediction bit not set */ |
| 1551 | reverse = EXTS(BD_0b00) >= 0; |
| 1552 | } |
| 1553 | if (CURRENT_MODEL_ISSUE > 0) |
| 1554 | model_branch_predict(cpu_model(processor), reverse ? !succeed : succeed); |
| 1555 | } |
| 1556 | |
| 1557 | 0.19,6.BO,11.BI,16./,21.16,31.LK:XL:::Branch Conditional to Link Register |
| 1558 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1559 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1560 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1561 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1562 | int M, ctr_ok, cond_ok, succeed; |
| 1563 | if (is_64bit_implementation && is_64bit_mode) M = 0; |
| 1564 | else M = 32; |
| 1565 | if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) |
| 1566 | model_wait_for_cr(cpu_model(processor), BIT32_BI); |
| 1567 | if (!BO{2}) CTR = CTR - 1; |
| 1568 | ctr_ok = BO{2} || ((MASKED(CTR, M, 63) != 0) != BO{3}); |
| 1569 | cond_ok = BO{0} || (CR{BI} == BO{1}); |
| 1570 | if (ctr_ok && cond_ok) { |
| 1571 | NIA = IEA(LR_0b00); |
| 1572 | succeed = 1; |
| 1573 | } |
| 1574 | else |
| 1575 | succeed = 0; |
| 1576 | if (LK) LR = (spreg)IEA(CIA + 4); |
| 1577 | if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) { |
| 1578 | /* This branch is predicted as not-taken. |
| 1579 | If this is a forward branch and it is near the end of a page, |
| 1580 | we've detected a problematic branch. */ |
| 1581 | if (succeed && NIA > CIA) { |
| 1582 | if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0) |
| 1583 | program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt); |
| 1584 | } |
| 1585 | } |
| 1586 | if (CURRENT_MODEL_ISSUE > 0) { |
| 1587 | model_branches(cpu_model(processor), succeed, BO); |
| 1588 | if (! BO{0}) |
| 1589 | model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); |
| 1590 | } |
| 1591 | |
| 1592 | 0.19,6.BO,11.BI,16./,21.528,31.LK:XL:::Branch Conditional to Count Register |
| 1593 | *601: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1594 | *603: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1595 | *603e:PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1596 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1597 | int cond_ok, succeed; |
| 1598 | if (CURRENT_MODEL_ISSUE > 0 && ! BO{0}) |
| 1599 | model_wait_for_cr(cpu_model(processor), BIT32_BI); |
| 1600 | cond_ok = BO{0} || (CR{BI} == BO{1}); |
| 1601 | if (cond_ok) { |
| 1602 | NIA = IEA(CTR_0b00); |
| 1603 | succeed = 1; |
| 1604 | } |
| 1605 | else |
| 1606 | succeed = 0; |
| 1607 | if (LK) LR = (spreg)IEA(CIA + 4); |
| 1608 | if (option_mpc860c0 && (!BO{0} || !BO{2}) && !BO{4}) { |
| 1609 | /* This branch is predicted as not-taken. |
| 1610 | If this is a forward branch and it is near the end of a page, |
| 1611 | we've detected a problematic branch. */ |
| 1612 | if (succeed && NIA > CIA) { |
| 1613 | if (PAGE_SIZE - (CIA & (PAGE_SIZE-1)) <= option_mpc860c0) |
| 1614 | program_interrupt(processor, cia, mpc860c0_instruction_program_interrupt); |
| 1615 | } |
| 1616 | } |
| 1617 | if (CURRENT_MODEL_ISSUE > 0) { |
| 1618 | model_branches(cpu_model(processor), succeed, BO); |
| 1619 | if (! BO{0}) |
| 1620 | model_branch_predict(cpu_model(processor), BO{4} ? !succeed : succeed); |
| 1621 | } |
| 1622 | |
| 1623 | # |
| 1624 | # I.2.4.2 System Call Instruction |
| 1625 | # |
| 1626 | 0.17,6./,11./,16./,30.1,31./:SC:::System Call |
| 1627 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1628 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 1629 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 1630 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 1631 | if (CURRENT_MODEL_ISSUE > 0) |
| 1632 | model_serialize(MY_INDEX, cpu_model(processor)); |
| 1633 | system_call_interrupt(processor, cia); |
| 1634 | |
| 1635 | # |
| 1636 | # I.2.4.3 Condition Register Logical Instructions |
| 1637 | # |
| 1638 | 0.19,6.BT,11.BA,16.BB,21.257,31./:XL::crand:Condition Register AND |
| 1639 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1640 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1641 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1642 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1643 | BLIT32(CR, BT, CR{BA} && CR{BB}); |
| 1644 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1645 | |
| 1646 | 0.19,6.BT,11.BA,16.BB,21.449,31./:XL::cror:Condition Register OR |
| 1647 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1648 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1649 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1650 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1651 | BLIT32(CR, BT, CR{BA} || CR{BB}); |
| 1652 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1653 | |
| 1654 | 0.19,6.BT,11.BA,16.BB,21.193,31./:XL::crxor:Condition Register XOR |
| 1655 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1656 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1657 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1658 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1659 | BLIT32(CR, BT, CR{BA} != CR{BB}); |
| 1660 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1661 | |
| 1662 | 0.19,6.BT,11.BA,16.BB,21.225,31./:XL::crnand:Condition Register NAND |
| 1663 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1664 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1665 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1666 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1667 | BLIT32(CR, BT, !(CR{BA} && CR{BB})); |
| 1668 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1669 | |
| 1670 | 0.19,6.BT,11.BA,16.BB,21.33,31./:XL::crnor:Condition Register NOR |
| 1671 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1672 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1673 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1674 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1675 | BLIT32(CR, BT, !(CR{BA} || CR{BB})); |
| 1676 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1677 | |
| 1678 | 0.19,6.BT,11.BA,16.BB,21.289,31./:XL::creqv:Condition Register Equivalent |
| 1679 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1680 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1681 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1682 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1683 | BLIT32(CR, BT, CR{BA} == CR{BB}); |
| 1684 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1685 | |
| 1686 | 0.19,6.BT,11.BA,16.BB,21.129,31./:XL::crandc:Condition Register AND with Complement |
| 1687 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1688 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1689 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1690 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1691 | BLIT32(CR, BT, CR{BA} && !CR{BB}); |
| 1692 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1693 | |
| 1694 | 0.19,6.BT,11.BA,16.BB,21.417,31./:XL::crorc:Condition Register OR with Complement |
| 1695 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1696 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1697 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1698 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1699 | BLIT32(CR, BT, CR{BA} || !CR{BB}); |
| 1700 | PPC_INSN_CR(BT_BITMASK, BA_BITMASK | BB_BITMASK); |
| 1701 | |
| 1702 | # |
| 1703 | # I.2.4.4 Condition Register Field Instruction |
| 1704 | # |
| 1705 | 0.19,6.BF,9./,11.BFA,14./,16./,21.0,31./:XL:::Move Condition Register Field |
| 1706 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 1707 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1708 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 1709 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 1, 0 |
| 1710 | MBLIT32(CR, 4*BF, 4*BF+3, EXTRACTED32(CR, 4*BFA, 4*BFA+3)); |
| 1711 | PPC_INSN_CR(BF_BITMASK, 1 << BFA); |
| 1712 | |
| 1713 | |
| 1714 | # |
| 1715 | # I.3.3.2 Fixed-Point Load Instructions |
| 1716 | # |
| 1717 | |
| 1718 | 0.34,6.RT,11.RA,16.D:D:::Load Byte and Zero |
| 1719 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1720 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1721 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1722 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1723 | unsigned_word b; |
| 1724 | unsigned_word EA; |
| 1725 | if (RA_is_0) b = 0; |
| 1726 | else b = *rA; |
| 1727 | EA = b + EXTS(D); |
| 1728 | *rT = MEM(unsigned, EA, 1); |
| 1729 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 1730 | |
| 1731 | |
| 1732 | 0.31,6.RT,11.RA,16.RB,21.87,31./:X:::Load Byte and Zero Indexed |
| 1733 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1734 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1735 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1736 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1737 | unsigned_word b; |
| 1738 | unsigned_word EA; |
| 1739 | if (RA_is_0) b = 0; |
| 1740 | else b = *rA; |
| 1741 | EA = b + *rB; |
| 1742 | *rT = MEM(unsigned, EA, 1); |
| 1743 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 1744 | |
| 1745 | 0.35,6.RT,11.RA,16.D:D:::Load Byte and Zero with Update |
| 1746 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1747 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1748 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1749 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1750 | unsigned_word EA; |
| 1751 | if (RA_is_0 || RA == RT) |
| 1752 | program_interrupt(processor, cia, |
| 1753 | illegal_instruction_program_interrupt); |
| 1754 | EA = *rA + EXTS(D); |
| 1755 | *rT = MEM(unsigned, EA, 1); |
| 1756 | *rA = EA; |
| 1757 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 1758 | |
| 1759 | 0.31,6.RT,11.RA,16.RB,21.119,31./:X:::Load Byte and Zero with Update Indexed |
| 1760 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1761 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1762 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1763 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1764 | unsigned_word EA; |
| 1765 | if (RA_is_0 || RA == RT) |
| 1766 | program_interrupt(processor, cia, |
| 1767 | illegal_instruction_program_interrupt); |
| 1768 | EA = *rA + *rB; |
| 1769 | *rT = MEM(unsigned, EA, 1); |
| 1770 | *rA = EA; |
| 1771 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| 1772 | |
| 1773 | 0.40,6.RT,11.RA,16.D:D:::Load Halfword and Zero |
| 1774 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1775 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1776 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1777 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1778 | unsigned_word b; |
| 1779 | unsigned_word EA; |
| 1780 | if (RA_is_0) b = 0; |
| 1781 | else b = *rA; |
| 1782 | EA = b + EXTS(D); |
| 1783 | *rT = MEM(unsigned, EA, 2); |
| 1784 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 1785 | |
| 1786 | 0.31,6.RT,11.RA,16.RB,21.279,31./:X:::Load Halfword and Zero Indexed |
| 1787 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1788 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1789 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1790 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1791 | unsigned_word b; |
| 1792 | unsigned_word EA; |
| 1793 | if (RA_is_0) b = 0; |
| 1794 | else b = *rA; |
| 1795 | EA = b + *rB; |
| 1796 | *rT = MEM(unsigned, EA, 2); |
| 1797 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 1798 | |
| 1799 | 0.41,6.RT,11.RA,16.D:D:::Load Halfword and Zero with Update |
| 1800 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1801 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1802 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1803 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1804 | unsigned_word EA; |
| 1805 | if (RA_is_0 || RA == RT) |
| 1806 | program_interrupt(processor, cia, |
| 1807 | illegal_instruction_program_interrupt); |
| 1808 | EA = *rA + EXTS(D); |
| 1809 | *rT = MEM(unsigned, EA, 2); |
| 1810 | *rA = EA; |
| 1811 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 1812 | |
| 1813 | 0.31,6.RT,11.RA,16.RB,21.311,31./:X:::Load Halfword and Zero with Update Indexed |
| 1814 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1815 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1816 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1817 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1818 | unsigned_word EA; |
| 1819 | if (RA_is_0 || RA == RT) |
| 1820 | program_interrupt(processor, cia, |
| 1821 | illegal_instruction_program_interrupt); |
| 1822 | EA = *rA + *rB; |
| 1823 | *rT = MEM(unsigned, EA, 2); |
| 1824 | *rA = EA; |
| 1825 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| 1826 | |
| 1827 | 0.42,6.RT,11.RA,16.D:D:::Load Halfword Algebraic |
| 1828 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1829 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1830 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1831 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1832 | unsigned_word b; |
| 1833 | unsigned_word EA; |
| 1834 | if (RA_is_0) b = 0; |
| 1835 | else b = *rA; |
| 1836 | EA = b + EXTS(D); |
| 1837 | *rT = MEM(signed, EA, 2); |
| 1838 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 1839 | |
| 1840 | 0.31,6.RT,11.RA,16.RB,21.343,31./:X:::Load Halfword Algebraic Indexed |
| 1841 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1842 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1843 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1844 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1845 | unsigned_word b; |
| 1846 | unsigned_word EA; |
| 1847 | if (RA_is_0) b = 0; |
| 1848 | else b = *rA; |
| 1849 | EA = b + *rB; |
| 1850 | *rT = MEM(signed, EA, 2); |
| 1851 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 1852 | |
| 1853 | 0.43,6.RT,11.RA,16.D:D:::Load Halfword Algebraic with Update |
| 1854 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1855 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1856 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1857 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1858 | unsigned_word EA; |
| 1859 | if (RA_is_0 || RA == RT) |
| 1860 | program_interrupt(processor, cia, |
| 1861 | illegal_instruction_program_interrupt); |
| 1862 | EA = *rA + EXTS(D); |
| 1863 | *rT = MEM(signed, EA, 2); |
| 1864 | *rA = EA; |
| 1865 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 1866 | |
| 1867 | 0.31,6.RT,11.RA,16.RB,21.375,31./:X:::Load Halfword Algebraic with Update Indexed |
| 1868 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1869 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1870 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1871 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1872 | unsigned_word EA; |
| 1873 | if (RA_is_0 || RA == RT) |
| 1874 | program_interrupt(processor, cia, |
| 1875 | illegal_instruction_program_interrupt); |
| 1876 | EA = *rA + *rB; |
| 1877 | *rT = MEM(signed, EA, 2); |
| 1878 | *rA = EA; |
| 1879 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| 1880 | |
| 1881 | 0.32,6.RT,11.RA,16.D:D:::Load Word and Zero |
| 1882 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1883 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1884 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1885 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1886 | unsigned_word b; |
| 1887 | unsigned_word EA; |
| 1888 | if (RA_is_0) b = 0; |
| 1889 | else b = *rA; |
| 1890 | EA = b + EXTS(D); |
| 1891 | *rT = MEM(unsigned, EA, 4); |
| 1892 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 1893 | |
| 1894 | 0.31,6.RT,11.RA,16.RB,21.23,31./:X:::Load Word and Zero Indexed |
| 1895 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1896 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1897 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1898 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1899 | unsigned_word b; |
| 1900 | unsigned_word EA; |
| 1901 | if (RA_is_0) b = 0; |
| 1902 | else b = *rA; |
| 1903 | EA = b + *rB; |
| 1904 | *rT = MEM(unsigned, EA, 4); |
| 1905 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 1906 | |
| 1907 | 0.33,6.RT,11.RA,16.D:D:::Load Word and Zero with Update |
| 1908 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1909 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1910 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1911 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1912 | unsigned_word EA; |
| 1913 | if (RA_is_0 || RA == RT) |
| 1914 | program_interrupt(processor, cia, |
| 1915 | illegal_instruction_program_interrupt); |
| 1916 | EA = *rA + EXTS(D); |
| 1917 | *rT = MEM(unsigned, EA, 4); |
| 1918 | *rA = EA; |
| 1919 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK, 0); |
| 1920 | |
| 1921 | 0.31,6.RT,11.RA,16.RB,21.55,31./:X:::Load Word and Zero with Update Indexed |
| 1922 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 2, 0 |
| 1923 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1924 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1925 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 1926 | unsigned_word EA; |
| 1927 | if (RA_is_0 || RA == RT) |
| 1928 | program_interrupt(processor, cia, |
| 1929 | illegal_instruction_program_interrupt); |
| 1930 | EA = *rA + *rB; |
| 1931 | *rT = MEM(unsigned, EA, 4); |
| 1932 | *rA = EA; |
| 1933 | PPC_INSN_INT(RT_BITMASK | RA_BITMASK, RA_BITMASK | RB_BITMASK, 0); |
| 1934 | |
| 1935 | 0.58,6.RT,11.RA,16.DS,30.2:DS:64::Load Word Algebraic |
| 1936 | # unsigned_word b; |
| 1937 | # unsigned_word EA; |
| 1938 | # if (RA_is_0) b = 0; |
| 1939 | # else b = *rA; |
| 1940 | # EA = b + EXTS(DS_0b00); |
| 1941 | # *rT = MEM(signed, EA, 4); |
| 1942 | |
| 1943 | 0.31,6.RT,11.RA,16.RB,21.341,31./:X:64::Load Word Algebraic Indexed |
| 1944 | # unsigned_word b; |
| 1945 | # unsigned_word EA; |
| 1946 | # if (RA_is_0) b = 0; |
| 1947 | # else b = *rA; |
| 1948 | # EA = b + *rB;; |
| 1949 | # *rT = MEM(signed, EA, 4); |
| 1950 | |
| 1951 | 0.31,6.RT,11.RA,16.RB,21.373,31./:X:64::Load Word Algebraic with Update Indexed |
| 1952 | # unsigned_word EA; |
| 1953 | # if (RA_is_0 || RA == RT) |
| 1954 | # program_interrupt(processor, cia |
| 1955 | # illegal_instruction_program_interrupt); |
| 1956 | # EA = *rA + *rB; |
| 1957 | # *rT = MEM(signed, EA, 4); |
| 1958 | # *rA = EA; |
| 1959 | |
| 1960 | 0.58,6.RT,11.RA,16.DS,30.0:DS:64::Load Doubleword |
| 1961 | # unsigned_word b; |
| 1962 | # unsigned_word EA; |
| 1963 | # if (RA_is_0) b = 0; |
| 1964 | # else b = *rA; |
| 1965 | # EA = b + EXTS(DS_0b00); |
| 1966 | # *rT = MEM(unsigned, EA, 8); |
| 1967 | |
| 1968 | 0.31,6.RT,11.RA,16.RB,21.21,31./:X:64::Load Doubleword Indexed |
| 1969 | # unsigned_word b; |
| 1970 | # unsigned_word EA; |
| 1971 | # if (RA_is_0) b = 0; |
| 1972 | # else b = *rA; |
| 1973 | # EA = b + *rB; |
| 1974 | # *rT = MEM(unsigned, EA, 8); |
| 1975 | |
| 1976 | 0.58,6.RT,11.RA,16.DS,30.1:DS:64::Load Doubleword with Update |
| 1977 | # unsigned_word EA; |
| 1978 | # if (RA_is_0 || RA == RT) |
| 1979 | # program_interrupt(processor, cia |
| 1980 | # illegal_instruction_program_interrupt); |
| 1981 | # EA = *rA + EXTS(DS_0b00); |
| 1982 | # *rT = MEM(unsigned, EA, 8); |
| 1983 | # *rA = EA; |
| 1984 | |
| 1985 | 0.31,6.RT,11.RA,16.RB,21.53,31./:DS:64::Load Doubleword with Update Indexed |
| 1986 | # unsigned_word EA; |
| 1987 | # if (RA_is_0 || RA == RT) |
| 1988 | # program_interrupt(processor, cia |
| 1989 | # illegal_instruction_program_interrupt); |
| 1990 | # EA = *rA + *rB; |
| 1991 | # *rT = MEM(unsigned, EA, 8); |
| 1992 | # *rA = EA; |
| 1993 | |
| 1994 | |
| 1995 | |
| 1996 | # |
| 1997 | # I.3.3.3 Fixed-Point Store Instructions |
| 1998 | # |
| 1999 | |
| 2000 | 0.38,6.RS,11.RA,16.D:D:::Store Byte |
| 2001 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2002 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2003 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2004 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2005 | unsigned_word b; |
| 2006 | unsigned_word EA; |
| 2007 | if (RA_is_0) b = 0; |
| 2008 | else b = *rA; |
| 2009 | EA = b + EXTS(D); |
| 2010 | STORE(EA, 1, *rS); |
| 2011 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
| 2012 | |
| 2013 | 0.31,6.RS,11.RA,16.RB,21.215,31./:X:::Store Byte Indexed |
| 2014 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2015 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2016 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2017 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2018 | unsigned_word b; |
| 2019 | unsigned_word EA; |
| 2020 | if (RA_is_0) b = 0; |
| 2021 | else b = *rA; |
| 2022 | EA = b + *rB; |
| 2023 | STORE(EA, 1, *rS); |
| 2024 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 2025 | |
| 2026 | 0.39,6.RS,11.RA,16.D:D:::Store Byte with Update |
| 2027 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2028 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2029 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2030 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2031 | unsigned_word EA; |
| 2032 | if (RA_is_0) |
| 2033 | program_interrupt(processor, cia, |
| 2034 | illegal_instruction_program_interrupt); |
| 2035 | EA = *rA + EXTS(D); |
| 2036 | STORE(EA, 1, *rS); |
| 2037 | *rA = EA; |
| 2038 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
| 2039 | |
| 2040 | 0.31,6.RS,11.RA,16.RB,21.247,31./:X:::Store Byte with Update Indexed |
| 2041 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2042 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2043 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2044 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2045 | unsigned_word EA; |
| 2046 | if (RA_is_0) |
| 2047 | program_interrupt(processor, cia, |
| 2048 | illegal_instruction_program_interrupt); |
| 2049 | EA = *rA + *rB; |
| 2050 | STORE(EA, 1, *rS); |
| 2051 | *rA = EA; |
| 2052 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
| 2053 | |
| 2054 | 0.44,6.RS,11.RA,16.D:D:::Store Half Word |
| 2055 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2056 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2057 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2058 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2059 | unsigned_word b; |
| 2060 | unsigned_word EA; |
| 2061 | if (RA_is_0) b = 0; |
| 2062 | else b = *rA; |
| 2063 | EA = b + EXTS(D); |
| 2064 | STORE(EA, 2, *rS); |
| 2065 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
| 2066 | |
| 2067 | 0.31,6.RS,11.RA,16.RB,21.407,31./:X:::Store Half Word Indexed |
| 2068 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2069 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2070 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2071 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2072 | unsigned_word b; |
| 2073 | unsigned_word EA; |
| 2074 | if (RA_is_0) b = 0; |
| 2075 | else b = *rA; |
| 2076 | EA = b + *rB; |
| 2077 | STORE(EA, 2, *rS); |
| 2078 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 2079 | |
| 2080 | 0.45,6.RS,11.RA,16.D:D:::Store Half Word with Update |
| 2081 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2082 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2083 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2084 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2085 | unsigned_word EA; |
| 2086 | if (RA_is_0) |
| 2087 | program_interrupt(processor, cia, |
| 2088 | illegal_instruction_program_interrupt); |
| 2089 | EA = *rA + EXTS(D); |
| 2090 | STORE(EA, 2, *rS); |
| 2091 | *rA = EA; |
| 2092 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
| 2093 | |
| 2094 | 0.31,6.RS,11.RA,16.RB,21.439,31./:X:::Store Half Word with Update Indexed |
| 2095 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2096 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2097 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2098 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2099 | unsigned_word EA; |
| 2100 | if (RA_is_0) |
| 2101 | program_interrupt(processor, cia, |
| 2102 | illegal_instruction_program_interrupt); |
| 2103 | EA = *rA + *rB; |
| 2104 | STORE(EA, 2, *rS); |
| 2105 | *rA = EA; |
| 2106 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
| 2107 | |
| 2108 | 0.36,6.RS,11.RA,16.D:D:::Store Word |
| 2109 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2110 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2111 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2112 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2113 | unsigned_word b; |
| 2114 | unsigned_word EA; |
| 2115 | if (RA_is_0) b = 0; |
| 2116 | else b = *rA; |
| 2117 | EA = b + EXTS(D); |
| 2118 | STORE(EA, 4, *rS); |
| 2119 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RS_BITMASK, 0); |
| 2120 | |
| 2121 | 0.31,6.RS,11.RA,16.RB,21.151,31./:X:::Store Word Indexed |
| 2122 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2123 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2124 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2125 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2126 | unsigned_word b; |
| 2127 | unsigned_word EA; |
| 2128 | if (RA_is_0) b = 0; |
| 2129 | else b = *rA; |
| 2130 | EA = b + *rB; |
| 2131 | STORE(EA, 4, *rS); |
| 2132 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 2133 | |
| 2134 | 0.37,6.RS,11.RA,16.D:D:::Store Word with Update |
| 2135 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2136 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2137 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2138 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2139 | unsigned_word EA; |
| 2140 | if (RA_is_0) |
| 2141 | program_interrupt(processor, cia, |
| 2142 | illegal_instruction_program_interrupt); |
| 2143 | EA = *rA + EXTS(D); |
| 2144 | STORE(EA, 4, *rS); |
| 2145 | *rA = EA; |
| 2146 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RS_BITMASK, 0); |
| 2147 | |
| 2148 | 0.31,6.RS,11.RA,16.RB,21.183,31./:X:::Store Word with Update Indexed |
| 2149 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2150 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2151 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2152 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2153 | unsigned_word EA; |
| 2154 | if (RA_is_0) |
| 2155 | program_interrupt(processor, cia, |
| 2156 | illegal_instruction_program_interrupt); |
| 2157 | EA = *rA + *rB; |
| 2158 | STORE(EA, 4, *rS); |
| 2159 | *rA = EA; |
| 2160 | PPC_INSN_INT(RA_BITMASK, RA_BITMASK | RB_BITMASK | RS_BITMASK, 0); |
| 2161 | |
| 2162 | 0.62,6.RS,11.RA,16.DS,30.0:DS:64::Store Doubleword |
| 2163 | # unsigned_word b; |
| 2164 | # unsigned_word EA; |
| 2165 | # if (RA_is_0) b = 0; |
| 2166 | # else b = *rA; |
| 2167 | # EA = b + EXTS(DS_0b00); |
| 2168 | # STORE(EA, 8, *rS); |
| 2169 | 0.31,6.RS,11.RA,16.RB,21.149,31./:X:64::Store Doubleword Indexed |
| 2170 | # unsigned_word b; |
| 2171 | # unsigned_word EA; |
| 2172 | # if (RA_is_0) b = 0; |
| 2173 | # else b = *rA; |
| 2174 | # EA = b + *rB; |
| 2175 | # STORE(EA, 8, *rS); |
| 2176 | 0.62,6.RS,11.RA,16.DS,30.1:DS:64::Store Doubleword with Update |
| 2177 | # unsigned_word EA; |
| 2178 | # if (RA_is_0) |
| 2179 | # program_interrupt(processor, cia |
| 2180 | # illegal_instruction_program_interrupt); |
| 2181 | # EA = *rA + EXTS(DS_0b00); |
| 2182 | # STORE(EA, 8, *rS); |
| 2183 | # *rA = EA; |
| 2184 | 0.31,6.RS,11.RA,16.RB,21.181,31./:X:64::Store Doubleword with Update Indexed |
| 2185 | # unsigned_word EA; |
| 2186 | # if (RA_is_0) |
| 2187 | # program_interrupt(processor, cia |
| 2188 | # illegal_instruction_program_interrupt); |
| 2189 | # EA = *rA + *rB; |
| 2190 | # STORE(EA, 8, *rS); |
| 2191 | # *rA = EA; |
| 2192 | |
| 2193 | |
| 2194 | # |
| 2195 | # I.3.3.4 Fixed-Point Load and Store with Byte Reversal Instructions |
| 2196 | # |
| 2197 | |
| 2198 | 0.31,6.RT,11.RA,16.RB,21.790,31./:X:::Load Halfword Byte-Reverse Indexed |
| 2199 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2200 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2201 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2202 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2203 | unsigned_word b; |
| 2204 | unsigned_word EA; |
| 2205 | if (RA_is_0) b = 0; |
| 2206 | else b = *rA; |
| 2207 | EA = b + *rB; |
| 2208 | *rT = SWAP_2(MEM(unsigned, EA, 2)); |
| 2209 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 2210 | |
| 2211 | 0.31,6.RT,11.RA,16.RB,21.534,31./:X:::Load Word Byte-Reverse Indexed |
| 2212 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2213 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2214 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2215 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2216 | unsigned_word b; |
| 2217 | unsigned_word EA; |
| 2218 | if (RA_is_0) b = 0; |
| 2219 | else b = *rA; |
| 2220 | EA = b + *rB; |
| 2221 | *rT = SWAP_4(MEM(unsigned, EA, 4)); |
| 2222 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 2223 | |
| 2224 | 0.31,6.RS,11.RA,16.RB,21.918,31./:X:::Store Half Word Byte-Reversed Indexed |
| 2225 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2226 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2227 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2228 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2229 | unsigned_word b; |
| 2230 | unsigned_word EA; |
| 2231 | if (RA_is_0) b = 0; |
| 2232 | else b = *rA; |
| 2233 | EA = b + *rB; |
| 2234 | STORE(EA, 2, SWAP_2(*rS)); |
| 2235 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 2236 | |
| 2237 | 0.31,6.RS,11.RA,16.RB,21.662,31./:X:::Store Word Byte-Reversed Indexed |
| 2238 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2239 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2240 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 2241 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2242 | unsigned_word b; |
| 2243 | unsigned_word EA; |
| 2244 | if (RA_is_0) b = 0; |
| 2245 | else b = *rA; |
| 2246 | EA = b + *rB; |
| 2247 | STORE(EA, 4, SWAP_4(*rS)); |
| 2248 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 0); |
| 2249 | |
| 2250 | |
| 2251 | # |
| 2252 | # I.3.3.5 Fixed-Point Load and Store Multiple Instrctions |
| 2253 | # |
| 2254 | |
| 2255 | 0.46,6.RT,11.RA,16.D:D:::Load Multiple Word |
| 2256 | unsigned_word EA; |
| 2257 | unsigned_word b; |
| 2258 | int r; |
| 2259 | if (RA_is_0) b = 0; |
| 2260 | else b = *rA; |
| 2261 | EA = b + EXTS(D); |
| 2262 | r = RT; |
| 2263 | if (RA >= r) |
| 2264 | program_interrupt(processor, cia, |
| 2265 | illegal_instruction_program_interrupt); |
| 2266 | if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT || (EA % 4 != 0)) |
| 2267 | alignment_interrupt(processor, cia, EA); |
| 2268 | while (r <= 31) { |
| 2269 | GPR(r) = MEM(unsigned, EA, 4); |
| 2270 | r = r + 1; |
| 2271 | EA = EA + 4; |
| 2272 | } |
| 2273 | |
| 2274 | 0.47,6.RS,11.RA,16.D:D:::Store Multiple Word |
| 2275 | unsigned_word EA; |
| 2276 | unsigned_word b; |
| 2277 | int r; |
| 2278 | if (RA_is_0) b = 0; |
| 2279 | else b = *rA; |
| 2280 | EA = b + EXTS(D); |
| 2281 | if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT |
| 2282 | || (EA % 4 != 0)) |
| 2283 | alignment_interrupt(processor, cia, EA); |
| 2284 | r = RS; |
| 2285 | while (r <= 31) { |
| 2286 | STORE(EA, 4, GPR(r)); |
| 2287 | r = r + 1; |
| 2288 | EA = EA + 4; |
| 2289 | } |
| 2290 | |
| 2291 | |
| 2292 | # |
| 2293 | # I.3.3.6 Fixed-Point Move Assist Instructions |
| 2294 | # |
| 2295 | |
| 2296 | 0.31,6.RT,11.RA,16.NB,21.597,31./:X:::Load String Word Immediate |
| 2297 | unsigned_word EA; |
| 2298 | int n; |
| 2299 | int r; |
| 2300 | int i; |
| 2301 | int nr; |
| 2302 | if (RA_is_0) EA = 0; |
| 2303 | else EA = *rA; |
| 2304 | if (NB == 0) n = 32; |
| 2305 | else n = NB; |
| 2306 | r = RT - 1; |
| 2307 | i = 32; |
| 2308 | nr = (n + 3) / 4; |
| 2309 | if ((RT + nr >= 32) |
| 2310 | ? (RA >= RT || RA < (RT + nr) % 32) |
| 2311 | : (RA >= RT && RA < RT + nr)) |
| 2312 | program_interrupt(processor, cia, |
| 2313 | illegal_instruction_program_interrupt); |
| 2314 | if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) |
| 2315 | alignment_interrupt(processor, cia, EA); |
| 2316 | while (n > 0) { |
| 2317 | if (i == 32) { |
| 2318 | r = (r + 1) % 32; |
| 2319 | GPR(r) = 0; |
| 2320 | } |
| 2321 | GPR(r) |= INSERTED(MEM(unsigned, EA, 1), i, i+7); |
| 2322 | i = i + 8; |
| 2323 | if (i == 64) i = 32; |
| 2324 | EA = EA + 1; |
| 2325 | n = n - 1; |
| 2326 | } |
| 2327 | |
| 2328 | 0.31,6.RT,11.RA,16.RB,21.533,31./:X:::Load String Word Indexed |
| 2329 | unsigned_word EA; |
| 2330 | unsigned_word b; |
| 2331 | int n; |
| 2332 | int r; |
| 2333 | int i; |
| 2334 | int nr; |
| 2335 | if (RA_is_0) b = 0; |
| 2336 | else b = *rA; |
| 2337 | EA = b + *rB; |
| 2338 | n = EXTRACTED32(XER, 25, 31); |
| 2339 | r = RT - 1; |
| 2340 | i = 32; |
| 2341 | nr = (n + 3) / 4; |
| 2342 | if (((RT + nr >= 32) |
| 2343 | ? ((RA >= RT || RA < (RT + nr) % 32) |
| 2344 | || (RB >= RT || RB < (RT + nr) % 32)) |
| 2345 | : ((RA >= RT && RA < RT + nr) |
| 2346 | || (RB >= RT && RB < RT + nr))) |
| 2347 | || (RT == RA || RT == RB)) |
| 2348 | program_interrupt(processor, cia, |
| 2349 | illegal_instruction_program_interrupt); |
| 2350 | if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) |
| 2351 | alignment_interrupt(processor, cia, EA); |
| 2352 | while (n > 0) { |
| 2353 | if (i == 32) { |
| 2354 | r = (r + 1) % 32; |
| 2355 | GPR(r) = 0; |
| 2356 | } |
| 2357 | GPR(r) |= INSERTED(MEM(unsigned, EA, 1), i, i+7); |
| 2358 | i = i + 8; |
| 2359 | if (i == 64) i = 32; |
| 2360 | EA = EA + 1; |
| 2361 | n = n - 1; |
| 2362 | } |
| 2363 | |
| 2364 | 0.31,6.RS,11.RA,16.NB,21.725,31./:X:::Store String Word Immedate |
| 2365 | unsigned_word EA; |
| 2366 | int n; |
| 2367 | int r; |
| 2368 | int i; |
| 2369 | if (RA_is_0) EA = 0; |
| 2370 | else EA = *rA; |
| 2371 | if (NB == 0) n = 32; |
| 2372 | else n = NB; |
| 2373 | r = RS - 1; |
| 2374 | i = 32; |
| 2375 | if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) |
| 2376 | alignment_interrupt(processor, cia, EA); |
| 2377 | while (n > 0) { |
| 2378 | if (i == 32) r = (r + 1) % 32; |
| 2379 | STORE(EA, 1, EXTRACTED(GPR(r), i, i+7)); |
| 2380 | i = i + 8; |
| 2381 | if (i == 64) i = 32; |
| 2382 | EA = EA + 1; |
| 2383 | n = n - 1; |
| 2384 | } |
| 2385 | |
| 2386 | 0.31,6.RS,11.RA,16.RB,21.661,31./:X:::Store String Word Indexed |
| 2387 | unsigned_word EA; |
| 2388 | unsigned_word b; |
| 2389 | int n; |
| 2390 | int r; |
| 2391 | int i; |
| 2392 | if (RA_is_0) b = 0; |
| 2393 | else b = *rA; |
| 2394 | EA = b + *rB; |
| 2395 | if (CURRENT_ALIGNMENT == STRICT_ALIGNMENT) |
| 2396 | alignment_interrupt(processor, cia, EA); |
| 2397 | n = EXTRACTED32(XER, 25, 31); |
| 2398 | r = RS - 1; |
| 2399 | i = 32; |
| 2400 | while (n > 0) { |
| 2401 | if (i == 32) r = (r + 1) % 32; |
| 2402 | STORE(EA, 1, EXTRACTED(GPR(r), i, i+7)); |
| 2403 | i = i + 8; |
| 2404 | if (i == 64) i = 32; |
| 2405 | EA = EA + 1; |
| 2406 | n = n - 1; |
| 2407 | } |
| 2408 | |
| 2409 | |
| 2410 | # |
| 2411 | # I.3.3.7 Storage Synchronization Instructions |
| 2412 | # |
| 2413 | # HACK: Rather than monitor addresses looking for a reason |
| 2414 | # to cancel a reservation. This code instead keeps |
| 2415 | # a copy of the data read from memory. Before performing |
| 2416 | # a store, the memory area is checked to see if it has |
| 2417 | # been changed. |
| 2418 | 0.31,6.RT,11.RA,16.RB,21.20,31./:X:::Load Word And Reserve Indexed |
| 2419 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 2420 | *603: PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 |
| 2421 | *603e:PPC_UNIT_LSU, PPC_UNIT_IU, 1, 2, 0 |
| 2422 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 2423 | unsigned_word b; |
| 2424 | unsigned_word EA; |
| 2425 | if (RA_is_0) b = 0; |
| 2426 | else b = *rA; |
| 2427 | EA = b + *rB; |
| 2428 | RESERVE = 1; |
| 2429 | RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); |
| 2430 | RESERVE_DATA = MEM(unsigned, EA, 4); |
| 2431 | *rT = RESERVE_DATA; |
| 2432 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 2433 | |
| 2434 | 0.31,6.RT,11.RA,16.RB,21.84,31./:X:64::Load Doubleword And Reserve Indexed |
| 2435 | unsigned_word b; |
| 2436 | unsigned_word EA; |
| 2437 | if (RA_is_0) b = 0; |
| 2438 | else b = *rA; |
| 2439 | EA = b + *rB; |
| 2440 | RESERVE = 1; |
| 2441 | RESERVE_ADDR = real_addr(EA, 1/*is-read?*/); |
| 2442 | RESERVE_DATA = MEM(unsigned, EA, 8); |
| 2443 | *rT = RESERVE_DATA; |
| 2444 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 2445 | |
| 2446 | 0.31,6.RS,11.RA,16.RB,21.150,31.1:X:::Store Word Conditional Indexed |
| 2447 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2448 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 |
| 2449 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 8, 8, 0 |
| 2450 | *604: PPC_UNIT_BPU, PPC_UNIT_BPU, 1, 3, 0 |
| 2451 | unsigned_word b; |
| 2452 | unsigned_word EA; |
| 2453 | if (RA_is_0) b = 0; |
| 2454 | else b = *rA; |
| 2455 | EA = b + *rB; |
| 2456 | if (RESERVE) { |
| 2457 | if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) |
| 2458 | && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 4)) { |
| 2459 | STORE(EA, 4, *rS); |
| 2460 | CR_SET_XER_SO(0, cr_i_zero); |
| 2461 | } |
| 2462 | else { |
| 2463 | /* ment to randomly to store, we never do! */ |
| 2464 | CR_SET_XER_SO(0, 0); |
| 2465 | } |
| 2466 | RESERVE = 0; |
| 2467 | } |
| 2468 | else { |
| 2469 | CR_SET_XER_SO(0, 0); |
| 2470 | } |
| 2471 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); |
| 2472 | |
| 2473 | 0.31,6.RS,11.RA,16.RB,21.214,31.1:X:64::Store Doubleword Conditional Indexed |
| 2474 | unsigned_word b; |
| 2475 | unsigned_word EA; |
| 2476 | if (RA_is_0) b = 0; |
| 2477 | else b = *rA; |
| 2478 | EA = b + *rB; |
| 2479 | if (RESERVE) { |
| 2480 | if (RESERVE_ADDR == real_addr(EA, 0/*is-read?*/) |
| 2481 | && /*HACK*/ RESERVE_DATA == MEM(unsigned, EA, 8)) { |
| 2482 | STORE(EA, 8, *rS); |
| 2483 | CR_SET_XER_SO(0, cr_i_zero); |
| 2484 | } |
| 2485 | else { |
| 2486 | /* ment to randomly to store, we never do */ |
| 2487 | CR_SET_XER_SO(0, 0); |
| 2488 | } |
| 2489 | RESERVE = 0; |
| 2490 | } |
| 2491 | else { |
| 2492 | CR_SET_XER_SO(0, 0); |
| 2493 | } |
| 2494 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK | RS_BITMASK, 1/*Rc*/); |
| 2495 | |
| 2496 | 0.31,6./,9.L,11./,16./,21.598,31./:X::sync:Synchronize |
| 2497 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2498 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 2499 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 2500 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 |
| 2501 | /* do nothing */ |
| 2502 | |
| 2503 | |
| 2504 | # |
| 2505 | # I.3.3.9 Fixed-Point Arithmetic Instructions |
| 2506 | # |
| 2507 | |
| 2508 | 0.14,6.RT,11.RA,16.SI:D:::Add Immediate |
| 2509 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2510 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2511 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 |
| 2512 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2513 | if (RA_is_0) *rT = EXTS(SI); |
| 2514 | else *rT = *rA + EXTS(SI); |
| 2515 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT)); |
| 2516 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 2517 | |
| 2518 | 0.15,6.RT,11.RA,16.SI:D:::Add Immediate Shifted |
| 2519 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2520 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2521 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 |
| 2522 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2523 | if (RA_is_0) *rT = EXTS(SI) << 16; |
| 2524 | else *rT = *rA + (EXTS(SI) << 16); |
| 2525 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rT, (long)*rT)); |
| 2526 | PPC_INSN_INT(RT_BITMASK, (RA_BITMASK & ~1), 0); |
| 2527 | |
| 2528 | 0.31,6.RT,11.RA,16.RB,21.OE,22.266,31.Rc:XO:::Add |
| 2529 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2530 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2531 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 |
| 2532 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2533 | ALU_BEGIN(*rA); |
| 2534 | ALU_ADD(*rB); |
| 2535 | ALU_END(*rT, 0/*CA*/, OE, Rc); |
| 2536 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2537 | |
| 2538 | 0.31,6.RT,11.RA,16.RB,21.OE,22.40,31.Rc:XO:::Subtract From |
| 2539 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2540 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2541 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2542 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2543 | ALU_BEGIN(*rA); |
| 2544 | ALU_NOT; |
| 2545 | ALU_ADD(*rB); |
| 2546 | ALU_ADD(1); |
| 2547 | ALU_END(*rT, 0/*CA*/, OE, Rc); |
| 2548 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2549 | |
| 2550 | 0.12,6.RT,11.RA,16.SI:D:::Add Immediate Carrying |
| 2551 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2552 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2553 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2554 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2555 | ALU_BEGIN(*rA); |
| 2556 | ALU_ADD(EXTS(SI)); |
| 2557 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); |
| 2558 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
| 2559 | |
| 2560 | 0.13,6.RT,11.RA,16.SI:D:::Add Immediate Carrying and Record |
| 2561 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2562 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2563 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2564 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2565 | ALU_BEGIN(*rA); |
| 2566 | ALU_ADD(EXTS(SI)); |
| 2567 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 1/*Rc*/); |
| 2568 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 1/*Rc*/); |
| 2569 | |
| 2570 | 0.8,6.RT,11.RA,16.SI:D:::Subtract From Immediate Carrying |
| 2571 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2572 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2573 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2574 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2575 | ALU_BEGIN(*rA); |
| 2576 | ALU_NOT; |
| 2577 | ALU_ADD(EXTS(SI)); |
| 2578 | ALU_ADD(1); |
| 2579 | ALU_END(*rT, 1/*CA*/, 0/*OE*/, 0/*Rc*/); |
| 2580 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
| 2581 | |
| 2582 | 0.31,6.RT,11.RA,16.RB,21.OE,22.10,31.Rc:XO:::Add Carrying |
| 2583 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2584 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2585 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2586 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2587 | ALU_BEGIN(*rA); |
| 2588 | ALU_ADD(*rB); |
| 2589 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2590 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2591 | |
| 2592 | 0.31,6.RT,11.RA,16.RB,21.OE,22.8,31.Rc:XO:::Subtract From Carrying |
| 2593 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2594 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2595 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2596 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2597 | /* RT <- ~RA + RB + 1 === RT <- RB - RA */ |
| 2598 | ALU_BEGIN(*rA); |
| 2599 | ALU_NOT; |
| 2600 | ALU_ADD(*rB); |
| 2601 | ALU_ADD(1); |
| 2602 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2603 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2604 | |
| 2605 | 0.31,6.RT,11.RA,16.RB,21.OE,22.138,31.Rc:XO:::Add Extended |
| 2606 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2607 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2608 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2609 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2610 | ALU_BEGIN(*rA); |
| 2611 | ALU_ADD(*rB); |
| 2612 | ALU_ADD_CA; |
| 2613 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2614 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2615 | |
| 2616 | 0.31,6.RT,11.RA,16.RB,21.OE,22.136,31.Rc:XO:::Subtract From Extended |
| 2617 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2618 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2619 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2620 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2621 | ALU_BEGIN(*rA); |
| 2622 | ALU_NOT; |
| 2623 | ALU_ADD(*rB); |
| 2624 | ALU_ADD_CA; |
| 2625 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2626 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2627 | |
| 2628 | 0.31,6.RT,11.RA,16./,21.OE,22.234,31.Rc:XO:::Add to Minus One Extended |
| 2629 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2630 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2631 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2632 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2633 | ALU_BEGIN(*rA); |
| 2634 | ALU_ADD_CA; |
| 2635 | ALU_ADD(-1); |
| 2636 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2637 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 2638 | |
| 2639 | 0.31,6.RT,11.RA,16./,21.OE,22.232,31.Rc:XO:::Subtract From Minus One Extended |
| 2640 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2641 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2642 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2643 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2644 | ALU_BEGIN(*rA); |
| 2645 | ALU_NOT; |
| 2646 | ALU_ADD_CA; |
| 2647 | ALU_ADD(-1); |
| 2648 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2649 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 2650 | |
| 2651 | 0.31,6.RT,11.RA,16./,21.OE,22.202,31.Rc:XO::addze:Add to Zero Extended |
| 2652 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2653 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2654 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2655 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2656 | ALU_BEGIN(*rA); |
| 2657 | ALU_ADD_CA; |
| 2658 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2659 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 2660 | |
| 2661 | 0.31,6.RT,11.RA,16./,21.OE,22.200,31.Rc:XO:::Subtract from Zero Extended |
| 2662 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2663 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2664 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2665 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2666 | ALU_BEGIN(*rA); |
| 2667 | ALU_NOT; |
| 2668 | ALU_ADD_CA; |
| 2669 | ALU_END(*rT, 1/*CA*/, OE, Rc); |
| 2670 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 2671 | |
| 2672 | 0.31,6.RT,11.RA,16./,21.OE,22.104,31.Rc:XO:::Negate |
| 2673 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2674 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2675 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2676 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2677 | ALU_BEGIN(*rA); |
| 2678 | ALU_NOT; |
| 2679 | ALU_ADD(1); |
| 2680 | ALU_END(*rT,0/*CA*/,OE,Rc); |
| 2681 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, Rc); |
| 2682 | |
| 2683 | 0.7,6.RT,11.RA,16.SI:D::mulli:Multiply Low Immediate |
| 2684 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2685 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 2686 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 2687 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 |
| 2688 | signed_word prod = *rA * EXTS(SI); |
| 2689 | *rT = prod; |
| 2690 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK, 0/*Rc*/); |
| 2691 | |
| 2692 | 0.31,6.RT,11.RA,16.RB,21.OE,22.233,31.Rc:D:64::Multiply Low Doubleword |
| 2693 | |
| 2694 | 0.31,6.RT,11.RA,16.RB,21.OE,22.235,31.Rc:XO::mullw:Multiply Low Word |
| 2695 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2696 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2697 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2698 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 |
| 2699 | signed64 a = (signed32)(*rA); |
| 2700 | signed64 b = (signed32)(*rB); |
| 2701 | signed64 prod = a * b; |
| 2702 | signed_word t = prod; |
| 2703 | *rT = *rA * *rB; |
| 2704 | if (t != prod && OE) |
| 2705 | XER |= (xer_overflow | xer_summary_overflow); |
| 2706 | CR0_COMPARE(t, 0, Rc); |
| 2707 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2708 | |
| 2709 | 0.31,6.RT,11.RA,16.RB,21./,22.73,31.Rc:XO:64::Multiply High Doubleword |
| 2710 | |
| 2711 | 0.31,6.RT,11.RA,16.RB,21./,22.75,31.Rc:XO::mulhw:Multiply High Word |
| 2712 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2713 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2714 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 5, 5, 0 |
| 2715 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 |
| 2716 | signed64 a = (signed32)(*rA); |
| 2717 | signed64 b = (signed32)(*rB); |
| 2718 | signed64 prod = a * b; |
| 2719 | signed_word t = EXTRACTED64(prod, 0, 31); |
| 2720 | *rT = t; |
| 2721 | CR0_COMPARE(t, 0, Rc); |
| 2722 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2723 | |
| 2724 | 0.31,6.RT,11.RA,16.RB,21./,22.9,31.Rc:XO:64::Multiply High Doubleword Unsigned |
| 2725 | |
| 2726 | 0.31,6.RT,11.RA,16.RB,21./,22.11,31.Rc:XO::mulhwu:Multiply High Word Unsigned |
| 2727 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 10, 10, 0 |
| 2728 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 |
| 2729 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 6, 6, 0 |
| 2730 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 4, 4, 0 |
| 2731 | unsigned64 a = (unsigned32)(*rA); |
| 2732 | unsigned64 b = (unsigned32)(*rB); |
| 2733 | unsigned64 prod = a * b; |
| 2734 | signed_word t = EXTRACTED64(prod, 0, 31); |
| 2735 | *rT = t; |
| 2736 | CR0_COMPARE(t, 0, Rc); |
| 2737 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2738 | |
| 2739 | 0.31,6.RT,11.RA,16.RB,21.OE,22.489,31.Rc:XO:64::Divide Doubleword |
| 2740 | |
| 2741 | 0.31,6.RT,11.RA,16.RB,21.OE,22.491,31.Rc:XO::divw:Divide Word |
| 2742 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 |
| 2743 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 |
| 2744 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 |
| 2745 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 |
| 2746 | signed64 dividend = (signed32)(*rA); |
| 2747 | signed64 divisor = (signed32)(*rB); |
| 2748 | if (divisor == 0 /* nb 0x8000..0 is sign extended */ |
| 2749 | || (dividend == 0x80000000 && divisor == -1)) { |
| 2750 | if (OE) |
| 2751 | XER |= (xer_overflow | xer_summary_overflow); |
| 2752 | CR0_COMPARE(0, 0, Rc); |
| 2753 | } |
| 2754 | else { |
| 2755 | signed64 quotent = dividend / divisor; |
| 2756 | *rT = quotent; |
| 2757 | CR0_COMPARE((signed_word)quotent, 0, Rc); |
| 2758 | } |
| 2759 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2760 | |
| 2761 | 0.31,6.RT,11.RA,16.RB,21.OE,22.457,31.Rc:XO:64::Divide Doubleword Unsigned |
| 2762 | |
| 2763 | 0.31,6.RT,11.RA,16.RB,21.OE,22.459,31.Rc:XO::divwu:Divide Word Unsigned |
| 2764 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 36, 36, 0 |
| 2765 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 |
| 2766 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 37, 37, 0 |
| 2767 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 20, 20, 0 |
| 2768 | unsigned64 dividend = (unsigned32)(*rA); |
| 2769 | unsigned64 divisor = (unsigned32)(*rB); |
| 2770 | if (divisor == 0) { |
| 2771 | if (OE) |
| 2772 | XER |= (xer_overflow | xer_summary_overflow); |
| 2773 | CR0_COMPARE(0, 0, Rc); |
| 2774 | } |
| 2775 | else { |
| 2776 | unsigned64 quotent = dividend / divisor; |
| 2777 | *rT = quotent; |
| 2778 | CR0_COMPARE((signed_word)quotent, 0, Rc); |
| 2779 | } |
| 2780 | PPC_INSN_INT(RT_BITMASK, RA_BITMASK | RB_BITMASK, Rc); |
| 2781 | |
| 2782 | |
| 2783 | # |
| 2784 | # I.3.3.10 Fixed-Point Compare Instructions |
| 2785 | # |
| 2786 | |
| 2787 | 0.11,6.BF,9./,10.L,11.RA,16.SI:D:::Compare Immediate |
| 2788 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2789 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2790 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 |
| 2791 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2792 | if (!is_64bit_mode && L) |
| 2793 | program_interrupt(processor, cia, |
| 2794 | illegal_instruction_program_interrupt); |
| 2795 | else { |
| 2796 | signed_word a; |
| 2797 | signed_word b = EXTS(SI); |
| 2798 | if (L == 0) |
| 2799 | a = EXTENDED(*rA); |
| 2800 | else |
| 2801 | a = *rA; |
| 2802 | CR_COMPARE(BF, a, b); |
| 2803 | } |
| 2804 | PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); |
| 2805 | |
| 2806 | 0.31,6.BF,9./,10.L,11.RA,16.RB,21.0,31./:X:::Compare |
| 2807 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2808 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2809 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 |
| 2810 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2811 | if (!is_64bit_mode && L) |
| 2812 | program_interrupt(processor, cia, |
| 2813 | illegal_instruction_program_interrupt); |
| 2814 | else { |
| 2815 | signed_word a; |
| 2816 | signed_word b; |
| 2817 | if (L == 0) { |
| 2818 | a = EXTENDED(*rA); |
| 2819 | b = EXTENDED(*rB); |
| 2820 | } |
| 2821 | else { |
| 2822 | a = *rA; |
| 2823 | b = *rB; |
| 2824 | } |
| 2825 | CR_COMPARE(BF, a, b); |
| 2826 | } |
| 2827 | PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); |
| 2828 | |
| 2829 | 0.10,6.BF,9./,10.L,11.RA,16.UI:D:::Compare Logical Immediate |
| 2830 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2831 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2832 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 |
| 2833 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2834 | if (!is_64bit_mode && L) |
| 2835 | program_interrupt(processor, cia, |
| 2836 | illegal_instruction_program_interrupt); |
| 2837 | else { |
| 2838 | unsigned_word a; |
| 2839 | unsigned_word b = UI; |
| 2840 | if (L == 0) |
| 2841 | a = MASKED(*rA, 32, 63); |
| 2842 | else |
| 2843 | a = *rA; |
| 2844 | CR_COMPARE(BF, a, b); |
| 2845 | } |
| 2846 | PPC_INSN_INT_CR(0, RA_BITMASK, BF_BITMASK); |
| 2847 | |
| 2848 | 0.31,6.BF,9./,10.L,11.RA,16.RB,21.32,31./:X:::Compare Logical |
| 2849 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2850 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2851 | *603e:PPC_UNIT_IU, PPC_UNIT_SRU, 1, 1, 0 |
| 2852 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2853 | if (!is_64bit_mode && L) |
| 2854 | program_interrupt(processor, cia, |
| 2855 | illegal_instruction_program_interrupt); |
| 2856 | else { |
| 2857 | unsigned_word a; |
| 2858 | unsigned_word b; |
| 2859 | if (L == 0) { |
| 2860 | a = MASKED(*rA, 32, 63); |
| 2861 | b = MASKED(*rB, 32, 63); |
| 2862 | } |
| 2863 | else { |
| 2864 | a = *rA; |
| 2865 | b = *rB; |
| 2866 | } |
| 2867 | CR_COMPARE(BF, a, b); |
| 2868 | } |
| 2869 | PPC_INSN_INT_CR(0, RA_BITMASK | RB_BITMASK, BF_BITMASK); |
| 2870 | |
| 2871 | |
| 2872 | # |
| 2873 | # I.3.3.11 Fixed-Point Trap Instructions |
| 2874 | # |
| 2875 | |
| 2876 | 0.2,6.TO,11.RA,16.SI:D:64::Trap Doubleword Immediate |
| 2877 | if (!is_64bit_mode) |
| 2878 | program_interrupt(processor, cia, |
| 2879 | illegal_instruction_program_interrupt); |
| 2880 | else { |
| 2881 | signed_word a = *rA; |
| 2882 | signed_word b = EXTS(SI); |
| 2883 | if ((a < b && TO{0}) |
| 2884 | || (a > b && TO{1}) |
| 2885 | || (a == b && TO{2}) |
| 2886 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) |
| 2887 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) |
| 2888 | ) |
| 2889 | program_interrupt(processor, cia, |
| 2890 | trap_program_interrupt); |
| 2891 | } |
| 2892 | |
| 2893 | 0.3,6.TO,11.RA,16.SI:D:::Trap Word Immediate |
| 2894 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2895 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 2896 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 2897 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2898 | signed_word a = EXTENDED(*rA); |
| 2899 | signed_word b = EXTS(SI); |
| 2900 | if ((a < b && TO{0}) |
| 2901 | || (a > b && TO{1}) |
| 2902 | || (a == b && TO{2}) |
| 2903 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) |
| 2904 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) |
| 2905 | ) |
| 2906 | program_interrupt(processor, cia, |
| 2907 | trap_program_interrupt); |
| 2908 | |
| 2909 | 0.31,6.TO,11.RA,16.RB,21.68,31./:X:64::Trap Doubleword |
| 2910 | if (!is_64bit_mode) |
| 2911 | program_interrupt(processor, cia, |
| 2912 | illegal_instruction_program_interrupt); |
| 2913 | else { |
| 2914 | signed_word a = *rA; |
| 2915 | signed_word b = *rB; |
| 2916 | if ((a < b && TO{0}) |
| 2917 | || (a > b && TO{1}) |
| 2918 | || (a == b && TO{2}) |
| 2919 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) |
| 2920 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) |
| 2921 | ) |
| 2922 | program_interrupt(processor, cia, |
| 2923 | trap_program_interrupt); |
| 2924 | } |
| 2925 | |
| 2926 | 0.31,6.TO,11.RA,16.RB,21.4,31./:X:::Trap Word |
| 2927 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2928 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 2929 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 2930 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2931 | signed_word a = EXTENDED(*rA); |
| 2932 | signed_word b = EXTENDED(*rB); |
| 2933 | if (TO == 12 && rA == rB) { |
| 2934 | ITRACE(trace_breakpoint, ("breakpoint\n")); |
| 2935 | cpu_halt(processor, cia, was_trap, 0); |
| 2936 | } |
| 2937 | else if ((a < b && TO{0}) |
| 2938 | || (a > b && TO{1}) |
| 2939 | || (a == b && TO{2}) |
| 2940 | || ((unsigned_word)a < (unsigned_word)b && TO{3}) |
| 2941 | || ((unsigned_word)a > (unsigned_word)b && TO{4}) |
| 2942 | ) |
| 2943 | program_interrupt(processor, cia, |
| 2944 | trap_program_interrupt); |
| 2945 | |
| 2946 | # |
| 2947 | # I.3.3.12 Fixed-Point Logical Instructions |
| 2948 | # |
| 2949 | |
| 2950 | 0.28,6.RS,11.RA,16.UI:D:::AND Immediate |
| 2951 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2952 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2953 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2954 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2955 | *rA = *rS & UI; |
| 2956 | CR0_COMPARE(*rA, 0, 1/*Rc*/); |
| 2957 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 2958 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); |
| 2959 | |
| 2960 | 0.29,6.RS,11.RA,16.UI:D:::AND Immediate Shifted |
| 2961 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2962 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2963 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2964 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2965 | *rA = *rS & (UI << 16); |
| 2966 | CR0_COMPARE(*rA, 0, 1/*Rc*/); |
| 2967 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 2968 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 1/*Rc*/); |
| 2969 | |
| 2970 | 0.24,6.RS,11.RA,16.UI:D:::OR Immediate |
| 2971 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2972 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2973 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2974 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2975 | *rA = *rS | UI; |
| 2976 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 2977 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 2978 | |
| 2979 | 0.25,6.RS,11.RA,16.UI:D:::OR Immediate Shifted |
| 2980 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2981 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2982 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2983 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2984 | *rA = *rS | (UI << 16); |
| 2985 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 2986 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 2987 | |
| 2988 | 0.26,6.RS,11.RA,16.UI:D:::XOR Immediate |
| 2989 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2990 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2991 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2992 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 2993 | *rA = *rS ^ UI; |
| 2994 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 2995 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 2996 | |
| 2997 | 0.27,6.RS,11.RA,16.UI:D:::XOR Immediate Shifted |
| 2998 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 2999 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3000 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3001 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3002 | *rA = *rS ^ (UI << 16); |
| 3003 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3004 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, 0/*Rc*/); |
| 3005 | |
| 3006 | 0.31,6.RS,11.RA,16.RB,21.28,31.Rc:X:::AND |
| 3007 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3008 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3009 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3010 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3011 | *rA = *rS & *rB; |
| 3012 | CR0_COMPARE(*rA, 0, Rc); |
| 3013 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3014 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3015 | |
| 3016 | 0.31,6.RS,11.RA,16.RB,21.444,31.Rc:X:::OR |
| 3017 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3018 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3019 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3020 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3021 | *rA = *rS | *rB; |
| 3022 | CR0_COMPARE(*rA, 0, Rc); |
| 3023 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3024 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3025 | |
| 3026 | 0.31,6.RS,11.RA,16.RB,21.316,31.Rc:X:::XOR |
| 3027 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3028 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3029 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3030 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3031 | *rA = *rS ^ *rB; |
| 3032 | CR0_COMPARE(*rA, 0, Rc); |
| 3033 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3034 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3035 | |
| 3036 | 0.31,6.RS,11.RA,16.RB,21.476,31.Rc:X:::NAND |
| 3037 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3038 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3039 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3040 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3041 | *rA = ~(*rS & *rB); |
| 3042 | CR0_COMPARE(*rA, 0, Rc); |
| 3043 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3044 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3045 | |
| 3046 | 0.31,6.RS,11.RA,16.RB,21.124,31.Rc:X:::NOR |
| 3047 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3048 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3049 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3050 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3051 | *rA = ~(*rS | *rB); |
| 3052 | CR0_COMPARE(*rA, 0, Rc); |
| 3053 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3054 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3055 | |
| 3056 | 0.31,6.RS,11.RA,16.RB,21.284,31.Rc:X:::Equivalent |
| 3057 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3058 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3059 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3060 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3061 | *rA = ~(*rS ^ *rB); /* A === B */ |
| 3062 | CR0_COMPARE(*rA, 0, Rc); |
| 3063 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3064 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3065 | |
| 3066 | 0.31,6.RS,11.RA,16.RB,21.60,31.Rc:X:::AND with Complement |
| 3067 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3068 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3069 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3070 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3071 | *rA = *rS & ~*rB; |
| 3072 | CR0_COMPARE(*rA, 0, Rc); |
| 3073 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3074 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3075 | |
| 3076 | 0.31,6.RS,11.RA,16.RB,21.412,31.Rc:X:::OR with Complement |
| 3077 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3078 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3079 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3080 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3081 | *rA = *rS | ~*rB; |
| 3082 | CR0_COMPARE(*rA, 0, Rc); |
| 3083 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3084 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK | RB_BITMASK, Rc); |
| 3085 | |
| 3086 | 0.31,6.RS,11.RA,16./,21.954,31.Rc:X::extsb:Extend Sign Byte |
| 3087 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3088 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3089 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3090 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3091 | *rA = (signed_word)(signed8)*rS; |
| 3092 | CR0_COMPARE(*rA, 0, Rc); |
| 3093 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3094 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3095 | |
| 3096 | 0.31,6.RS,11.RA,16./,21.922,31.Rc:X::extsh:Extend Sign Half Word |
| 3097 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3098 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3099 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3100 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3101 | *rA = (signed_word)(signed16)*rS; |
| 3102 | CR0_COMPARE(*rA, 0, Rc); |
| 3103 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3104 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3105 | |
| 3106 | 0.31,6.RS,11.RA,16./,21.986,31.Rc:X:64::Extend Sign Word |
| 3107 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3108 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3109 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3110 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3111 | # *rA = (signed_word)(signed32)*rS; |
| 3112 | # CR0_COMPARE(*rA, 0, Rc); |
| 3113 | |
| 3114 | 0.31,6.RS,11.RA,16./,21.58,31.Rc:X:64::Count Leading Zeros Doubleword |
| 3115 | # int count = 0; |
| 3116 | # unsigned64 mask = BIT64(0); |
| 3117 | # unsigned64 source = *rS; |
| 3118 | # while (!(source & mask) && mask != 0) { |
| 3119 | # mask >>= 1; |
| 3120 | # count++; |
| 3121 | # } |
| 3122 | # *rA = count; |
| 3123 | # CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ |
| 3124 | |
| 3125 | 0.31,6.RS,11.RA,16./,21.26,31.Rc:X:::Count Leading Zeros Word |
| 3126 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3127 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3128 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3129 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3130 | int count = 0; |
| 3131 | unsigned32 mask = BIT32(0); |
| 3132 | unsigned32 source = *rS; |
| 3133 | while (!(source & mask) && mask != 0) { |
| 3134 | mask >>= 1; |
| 3135 | count++; |
| 3136 | } |
| 3137 | *rA = count; |
| 3138 | ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3139 | CR0_COMPARE(count, 0, Rc); /* FIXME - is this correct */ |
| 3140 | |
| 3141 | |
| 3142 | # |
| 3143 | # I.3.3.13 Fixed-Point Rotate and Shift Instructions |
| 3144 | # |
| 3145 | |
| 3146 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.0,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Left |
| 3147 | # long n = (sh_5 << 4) | sh_0_4; |
| 3148 | # unsigned_word r = ROTL64(*rS, n); |
| 3149 | # long b = (mb_5 << 4) | mb_0_4; |
| 3150 | # unsigned_word m = MASK(b, 63); |
| 3151 | # signed_word result = r & m; |
| 3152 | # *rA = result; |
| 3153 | # ITRACE(trace_alu, (" Result = %ld (0x%lx)\n", (long)*rA, (long)*rA)); |
| 3154 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ |
| 3155 | |
| 3156 | 0.30,6.RS,11.RA,16.sh_0_4,21.me,27.1,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear Right |
| 3157 | # long n = (sh_5 << 4) | sh_0_4; |
| 3158 | # unsigned_word r = ROTL64(*rS, n); |
| 3159 | # long e = (me_5 << 4) | me_0_4; |
| 3160 | # unsigned_word m = MASK(0, e); |
| 3161 | # signed_word result = r & m; |
| 3162 | # *rA = result; |
| 3163 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ |
| 3164 | |
| 3165 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.2,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Clear |
| 3166 | # long n = (sh_5 << 4) | sh_0_4; |
| 3167 | # unsigned_word r = ROTL64(*rS, n); |
| 3168 | # long b = (mb_5 << 4) | mb_0_4; |
| 3169 | # unsigned_word m = MASK(0, (64-n)); |
| 3170 | # signed_word result = r & m; |
| 3171 | # *rA = result; |
| 3172 | # CR0_COMPARE(result, 0, Rc); /* FIXME - is this correct */ |
| 3173 | |
| 3174 | 0.21,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M:::Rotate Left Word Immediate then AND with Mask |
| 3175 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3176 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3177 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3178 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3179 | long n = SH; |
| 3180 | unsigned32 s = *rS; |
| 3181 | unsigned32 r = ROTL32(s, n); |
| 3182 | unsigned32 m = MASK(MB+32, ME+32); |
| 3183 | signed_word result = r & m; |
| 3184 | *rA = result; |
| 3185 | CR0_COMPARE(result, 0, Rc); |
| 3186 | ITRACE(trace_alu, |
| 3187 | ("n=%ld, s=0x%lx, r=0x%lx, m=0x%lx, result=0x%lx, cr=0x%lx\n", |
| 3188 | n, (unsigned long)s, (unsigned long)r, (unsigned long)m, |
| 3189 | (unsigned long)result, (unsigned long)CR)); |
| 3190 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3191 | |
| 3192 | 0.30,6.RS,11.RA,16.RB,21.mb,27.8,31.Rc:MDS:64::Rotate Left Doubleword then Clear Left |
| 3193 | # long n = MASKED(*rB, 58, 63); |
| 3194 | # unsigned_word r = ROTL64(*rS, n); |
| 3195 | # long b = (mb_5 << 4) | mb_0_4; |
| 3196 | # unsigned_word m = MASK(b, 63); |
| 3197 | # signed_word result = r & m; |
| 3198 | # *rA = result; |
| 3199 | # CR0_COMPARE(result, 0, Rc); |
| 3200 | |
| 3201 | 0.30,6.RS,11.RA,16.RB,21.me,27.9,31.Rc:MDS:64::Rotate Left Doubleword then Clear Right |
| 3202 | # long n = MASKED(*rB, 58, 63); |
| 3203 | # unsigned_word r = ROTL64(*rS, n); |
| 3204 | # long e = (me_5 << 4) | me_0_4; |
| 3205 | # unsigned_word m = MASK(0, e); |
| 3206 | # signed_word result = r & m; |
| 3207 | # *rA = result; |
| 3208 | # CR0_COMPARE(result, 0, Rc); |
| 3209 | |
| 3210 | 0.23,6.RS,11.RA,16.RB,21.MB,26.ME,31.Rc:M:::Rotate Left Word then AND with Mask |
| 3211 | long n = MASKED(*rB, 59, 63); |
| 3212 | unsigned32 r = ROTL32(*rS, n); |
| 3213 | unsigned32 m = MASK(MB+32, ME+32); |
| 3214 | signed_word result = r & m; |
| 3215 | *rA = result; |
| 3216 | CR0_COMPARE(result, 0, Rc); |
| 3217 | |
| 3218 | 0.30,6.RS,11.RA,16.sh_0_4,21.mb,27.3,30.sh_5,31.Rc:MD:64::Rotate Left Doubleword Immediate then Mask Insert |
| 3219 | # long n = (sh_5 << 4) | sh_0_4; |
| 3220 | # unsigned_word r = ROTL64(*rS, n); |
| 3221 | # long b = (mb_5 << 4) | mb_0_4; |
| 3222 | # unsigned_word m = MASK(b, (64-n)); |
| 3223 | # signed_word result = (r & m) | (*rA & ~m) |
| 3224 | # *rA = result; |
| 3225 | # CR0_COMPARE(result, 0, Rc); |
| 3226 | |
| 3227 | 0.20,6.RS,11.RA,16.SH,21.MB,26.ME,31.Rc:M::rlwimi:Rotate Left Word Immediate then Mask Insert |
| 3228 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3229 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3230 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3231 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3232 | long n = SH; |
| 3233 | unsigned32 r = ROTL32(*rS, n); |
| 3234 | unsigned32 m = MASK(MB+32, ME+32); |
| 3235 | signed_word result = (r & m) | (*rA & ~m); |
| 3236 | *rA = result; |
| 3237 | ITRACE(trace_alu, (": n=%ld *rS=0x%lx r=0x%lx m=0x%lx result=0x%lx\n", |
| 3238 | n, (unsigned long)*rS, (unsigned long)r, (unsigned long)m, |
| 3239 | (unsigned long)result)); |
| 3240 | CR0_COMPARE(result, 0, Rc); |
| 3241 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3242 | |
| 3243 | |
| 3244 | 0.31,6.RS,11.RA,16.RB,21.27,31.Rc:X:64::Shift Left Doubleword |
| 3245 | |
| 3246 | 0.31,6.RS,11.RA,16.RB,21.24,31.Rc:X:::Shift Left Word |
| 3247 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3248 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3249 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3250 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3251 | int n = MASKED(*rB, 58, 63); |
| 3252 | unsigned32 source = *rS; |
| 3253 | signed_word shifted; |
| 3254 | if (n < 32) |
| 3255 | shifted = (source << n); |
| 3256 | else |
| 3257 | shifted = 0; |
| 3258 | *rA = shifted; |
| 3259 | CR0_COMPARE(shifted, 0, Rc); |
| 3260 | ITRACE(trace_alu, |
| 3261 | ("n=%d, source=0x%lx, shifted=0x%lx\n", |
| 3262 | n, (unsigned long)source, (unsigned long)shifted)); |
| 3263 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3264 | |
| 3265 | 0.31,6.RS,11.RA,16.RB,21.539,31.Rc:X:64::Shift Right Doubleword |
| 3266 | |
| 3267 | 0.31,6.RS,11.RA,16.RB,21.536,31.Rc:X:::Shift Right Word |
| 3268 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3269 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3270 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3271 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3272 | int n = MASKED(*rB, 58, 63); |
| 3273 | unsigned32 source = *rS; |
| 3274 | signed_word shifted; |
| 3275 | if (n < 32) |
| 3276 | shifted = (source >> n); |
| 3277 | else |
| 3278 | shifted = 0; |
| 3279 | *rA = shifted; |
| 3280 | CR0_COMPARE(shifted, 0, Rc); |
| 3281 | ITRACE(trace_alu, \ |
| 3282 | ("n=%d, source=0x%lx, shifted=0x%lx\n", |
| 3283 | n, (unsigned long)source, (unsigned long)shifted)); |
| 3284 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3285 | |
| 3286 | 0.31,6.RS,11.RA,16.sh_0_4,21.413,30.sh_5,31.Rc:XS:64::Shift Right Algebraic Doubleword Immediate |
| 3287 | |
| 3288 | 0.31,6.RS,11.RA,16.SH,21.824,31.Rc:X:::Shift Right Algebraic Word Immediate |
| 3289 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3290 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3291 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3292 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3293 | int n = SH; |
| 3294 | signed_word r = ROTL32(*rS, /*64*/32-n); |
| 3295 | signed_word m = MASK(n+32, 63); |
| 3296 | int S = MASKED(*rS, 32, 32); |
| 3297 | signed_word shifted = (r & m) | (S ? ~m : 0); |
| 3298 | *rA = shifted; |
| 3299 | if (S && ((r & ~m) & MASK(32, 63)) != 0) |
| 3300 | XER |= xer_carry; |
| 3301 | else |
| 3302 | XER &= ~xer_carry; |
| 3303 | CR0_COMPARE(shifted, 0, Rc); |
| 3304 | ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n", |
| 3305 | (long)*rA, (long)*rA, (long)XER)); |
| 3306 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3307 | |
| 3308 | 0.31,6.RS,11.RA,16.RB,21.794,31.Rc:X:64::Shift Right Algebraic Doubleword |
| 3309 | |
| 3310 | 0.31,6.RS,11.RA,16.RB,21.792,31.Rc:X:::Shift Right Algebraic Word |
| 3311 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3312 | *603: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3313 | *603e:PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3314 | *604: PPC_UNIT_SCIU1, PPC_UNIT_SCIU2, 1, 1, 0 |
| 3315 | unsigned64 mask; |
| 3316 | int n = MASKED(*rB, 59, 63); |
| 3317 | signed32 source = (signed32)*rS; /* signed to keep sign bit */ |
| 3318 | signed32 shifted = source >> n; |
| 3319 | int S = (MASKED(*rS,32,32) != 0); |
| 3320 | signed64 r = ((unsigned64) source); |
| 3321 | r = ((unsigned64) source) << 32 | (unsigned32) source; |
| 3322 | r = ROTL64(r,64-n); |
| 3323 | if (MASKED(*rB,58,58) == 0) |
| 3324 | mask = (unsigned64) MASK64(n+32,63); |
| 3325 | else |
| 3326 | mask = (unsigned64) 0; |
| 3327 | *rA = (signed_word) (r & mask | ((signed64) -1*S) & ~mask); /* if 64bit will sign extend */ |
| 3328 | if (S && (MASKED(r & ~mask,32,63)!=0)) |
| 3329 | XER |= xer_carry; |
| 3330 | else |
| 3331 | XER &= ~xer_carry; |
| 3332 | CR0_COMPARE(*rA, 0, Rc); |
| 3333 | ITRACE(trace_alu, (" Result = %ld (0x%lx), XER = %ld\n", |
| 3334 | (long)*rA, (long)*rA, (long)XER)); |
| 3335 | PPC_INSN_INT(RA_BITMASK, RS_BITMASK, Rc); |
| 3336 | |
| 3337 | # |
| 3338 | # I.3.3.14 Move to/from System Register Instructions |
| 3339 | # |
| 3340 | |
| 3341 | 0.31,6.RS,11.SPR,21.467,31./:XFX::mtspr %SPR, %RS:Move to Special Purpose Register |
| 3342 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3343 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 3344 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 3345 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 |
| 3346 | int n = (SPR{5:9} << 5) | SPR{0:4}; |
| 3347 | if (SPR{0} && IS_PROBLEM_STATE(processor)) |
| 3348 | program_interrupt(processor, cia, |
| 3349 | privileged_instruction_program_interrupt); |
| 3350 | else if (!spr_is_valid(n) |
| 3351 | || spr_is_readonly(n)) |
| 3352 | program_interrupt(processor, cia, |
| 3353 | illegal_instruction_program_interrupt); |
| 3354 | else { |
| 3355 | spreg new_val = (spr_length(n) == 64 |
| 3356 | ? *rS |
| 3357 | : MASKED(*rS, 32, 63)); |
| 3358 | /* HACK - time base registers need to be updated immediately */ |
| 3359 | if (WITH_TIME_BASE) { |
| 3360 | switch (n) { |
| 3361 | case spr_tbu: |
| 3362 | cpu_set_time_base(processor, |
| 3363 | (MASKED64(cpu_get_time_base(processor), 32, 63) |
| 3364 | | INSERTED64(new_val, 0, 31))); |
| 3365 | break; |
| 3366 | case spr_tbl: |
| 3367 | cpu_set_time_base(processor, |
| 3368 | (MASKED64(cpu_get_time_base(processor), 0, 31) |
| 3369 | | INSERTED64(new_val, 32, 63))); |
| 3370 | break; |
| 3371 | case spr_dec: |
| 3372 | cpu_set_decrementer(processor, new_val); |
| 3373 | break; |
| 3374 | default: |
| 3375 | SPREG(n) = new_val; |
| 3376 | break; |
| 3377 | } |
| 3378 | } |
| 3379 | else { |
| 3380 | SPREG(n) = new_val; |
| 3381 | } |
| 3382 | } |
| 3383 | PPC_INSN_TO_SPR(RS_BITMASK, n); |
| 3384 | |
| 3385 | 0.31,6.RT,11.SPR,21.339,31./:XFX::mfspr %RT, %SPR:Move from Special Purpose Register |
| 3386 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3387 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 3388 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 3389 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 |
| 3390 | int n = (SPR{5:9} << 5) | SPR{0:4}; |
| 3391 | if (SPR{0} && IS_PROBLEM_STATE(processor)) |
| 3392 | program_interrupt(processor, cia, |
| 3393 | privileged_instruction_program_interrupt); |
| 3394 | else if (!spr_is_valid(n)) |
| 3395 | program_interrupt(processor, cia, |
| 3396 | illegal_instruction_program_interrupt); |
| 3397 | else { |
| 3398 | /* HACK - time base registers need to be calculated */ |
| 3399 | if (WITH_TIME_BASE) { |
| 3400 | switch (n) { |
| 3401 | case spr_dec: |
| 3402 | *rT = cpu_get_decrementer(processor); |
| 3403 | break; |
| 3404 | case spr_tbrl: |
| 3405 | if (is_64bit_implementation) *rT = TB; |
| 3406 | else *rT = EXTRACTED64(TB, 32, 63); |
| 3407 | break; |
| 3408 | case spr_tbru: |
| 3409 | if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31); |
| 3410 | else *rT = EXTRACTED64(TB, 0, 31); |
| 3411 | break; |
| 3412 | case spr_tbu: |
| 3413 | case spr_tbl: |
| 3414 | /* NOTE - these SPR's are not readable. Use mftb[ul] */ |
| 3415 | default: |
| 3416 | *rT = SPREG(n); |
| 3417 | break; |
| 3418 | } |
| 3419 | } |
| 3420 | else { |
| 3421 | *rT = SPREG(n); |
| 3422 | } |
| 3423 | } |
| 3424 | PPC_INSN_FROM_SPR(RT_BITMASK, n); |
| 3425 | |
| 3426 | 0.31,6.RS,11./,12.FXM,20./,21.144,31./:XFX::mtfcr:Move to Condition Register Fields |
| 3427 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 3428 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 3429 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 3430 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 |
| 3431 | if (FXM == 0xff) { |
| 3432 | CR = *rS; |
| 3433 | } |
| 3434 | else { |
| 3435 | unsigned_word mask = 0; |
| 3436 | unsigned_word f; |
| 3437 | for (f = 0; f < 8; f++) { |
| 3438 | if (FXM & (0x80 >> f)) |
| 3439 | mask |= (0xf << 4*(7-f)); |
| 3440 | } |
| 3441 | CR = (MASKED(*rS, 32, 63) & mask) | (CR & ~mask); |
| 3442 | } |
| 3443 | PPC_INSN_MTCR(RS_BITMASK, FXM); |
| 3444 | |
| 3445 | 0.31,6.BF,9./,11./,16./,21.512,31./:X:::Move to Condition Register from XER |
| 3446 | # CR_SET(BF, EXTRACTED32(XER, 0, 3)); |
| 3447 | # MBLIT32(XER, 0, 3, 0); |
| 3448 | |
| 3449 | 0.31,6.RT,11./,16./,21.19,31./:X:::Move From Condition Register |
| 3450 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3451 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 3452 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 3453 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 |
| 3454 | *rT = (unsigned32)CR; |
| 3455 | PPC_INSN_MFCR(RT_BITMASK); |
| 3456 | |
| 3457 | # |
| 3458 | # I.4.6.2 Floating-Point Load Instructions |
| 3459 | # |
| 3460 | |
| 3461 | 0.48,6.FRT,11.RA,16.D:D:f:lfs:Load Floating-Point Single |
| 3462 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3463 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3464 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3465 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3466 | unsigned_word b; |
| 3467 | unsigned_word EA; |
| 3468 | if (RA_is_0) b = 0; |
| 3469 | else b = *rA; |
| 3470 | EA = b + EXTS(D); |
| 3471 | *frT = DOUBLE(MEM(unsigned, EA, 4)); |
| 3472 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 3473 | |
| 3474 | 0.31,6.FRT,11.RA,16.RB,21.535,31./:X:f::Load Floating-Point Single Indexed |
| 3475 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3476 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3477 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3478 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3479 | unsigned_word b; |
| 3480 | unsigned_word EA; |
| 3481 | if (RA_is_0) b = 0; |
| 3482 | else b = *rA; |
| 3483 | EA = b + *rB; |
| 3484 | *frT = DOUBLE(MEM(unsigned, EA, 4)); |
| 3485 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 3486 | |
| 3487 | 0.49,6.FRT,11.RA,16.D:D:f::Load Floating-Point Single with Update |
| 3488 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3489 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3490 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3491 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3492 | unsigned_word EA; |
| 3493 | if (RA_is_0) |
| 3494 | program_interrupt(processor, cia, |
| 3495 | illegal_instruction_program_interrupt); |
| 3496 | EA = *rA + EXTS(D); |
| 3497 | *frT = DOUBLE(MEM(unsigned, EA, 4)); |
| 3498 | *rA = EA; |
| 3499 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 3500 | |
| 3501 | 0.31,6.FRT,11.RA,16.RB,21.567,31./:X:f::Load Floating-Point Single with Update Indexed |
| 3502 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3503 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3504 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3505 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3506 | unsigned_word EA; |
| 3507 | if (RA_is_0) |
| 3508 | program_interrupt(processor, cia, |
| 3509 | illegal_instruction_program_interrupt); |
| 3510 | EA = *rA + *rB; |
| 3511 | *frT = DOUBLE(MEM(unsigned, EA, 4)); |
| 3512 | *rA = EA; |
| 3513 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 3514 | |
| 3515 | 0.50,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double |
| 3516 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3517 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3518 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3519 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3520 | unsigned_word b; |
| 3521 | unsigned_word EA; |
| 3522 | if (RA_is_0) b = 0; |
| 3523 | else b = *rA; |
| 3524 | EA = b + EXTS(D); |
| 3525 | *frT = MEM(unsigned, EA, 8); |
| 3526 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 3527 | |
| 3528 | 0.31,6.FRT,11.RA,16.RB,21.599,31./:X:f::Load Floating-Point Double Indexed |
| 3529 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3530 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3531 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3532 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3533 | unsigned_word b; |
| 3534 | unsigned_word EA; |
| 3535 | if (RA_is_0) b = 0; |
| 3536 | else b = *rA; |
| 3537 | EA = b + *rB; |
| 3538 | *frT = MEM(unsigned, EA, 8); |
| 3539 | PPC_INSN_INT_FLOAT(0, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 3540 | |
| 3541 | 0.51,6.FRT,11.RA,16.D:D:f::Load Floating-Point Double with Update |
| 3542 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3543 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3544 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3545 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3546 | unsigned_word EA; |
| 3547 | if (RA_is_0) |
| 3548 | program_interrupt(processor, cia, |
| 3549 | illegal_instruction_program_interrupt); |
| 3550 | EA = *rA + EXTS(D); |
| 3551 | *frT = MEM(unsigned, EA, 8); |
| 3552 | *rA = EA; |
| 3553 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1), 0); |
| 3554 | |
| 3555 | 0.31,6.FRT,11.RA,16.RB,21.631,31./:X:f::Load Floating-Point Double with Update Indexed |
| 3556 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 3, 3, 0 |
| 3557 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3558 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3559 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3560 | unsigned_word EA; |
| 3561 | if (RA_is_0) |
| 3562 | program_interrupt(processor, cia, |
| 3563 | illegal_instruction_program_interrupt); |
| 3564 | EA = *rA + *rB; |
| 3565 | *frT = MEM(unsigned, EA, 8); |
| 3566 | *rA = EA; |
| 3567 | PPC_INSN_INT_FLOAT(RA_BITMASK, FRT_BITMASK, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 3568 | |
| 3569 | |
| 3570 | # |
| 3571 | # I.4.6.3 Floating-Point Store Instructions |
| 3572 | # |
| 3573 | |
| 3574 | 0.52,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single |
| 3575 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3576 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3577 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3578 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3579 | unsigned_word b; |
| 3580 | unsigned_word EA; |
| 3581 | if (RA_is_0) b = 0; |
| 3582 | else b = *rA; |
| 3583 | EA = b + EXTS(D); |
| 3584 | STORE(EA, 4, SINGLE(*frS)); |
| 3585 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 3586 | |
| 3587 | 0.31,6.FRS,11.RA,16.RB,21.663,31./:X:f::Store Floating-Point Single Indexed |
| 3588 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3589 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3590 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3591 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3592 | unsigned_word b; |
| 3593 | unsigned_word EA; |
| 3594 | if (RA_is_0) b = 0; |
| 3595 | else b = *rA; |
| 3596 | EA = b + *rB; |
| 3597 | STORE(EA, 4, SINGLE(*frS)); |
| 3598 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| 3599 | |
| 3600 | 0.53,6.FRS,11.RA,16.D:D:f::Store Floating-Point Single with Update |
| 3601 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3602 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3603 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3604 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3605 | unsigned_word EA; |
| 3606 | if (RA_is_0) |
| 3607 | program_interrupt(processor, cia, |
| 3608 | illegal_instruction_program_interrupt); |
| 3609 | EA = *rA + EXTS(D); |
| 3610 | STORE(EA, 4, SINGLE(*frS)); |
| 3611 | *rA = EA; |
| 3612 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 3613 | |
| 3614 | 0.31,6.FRS,11.RA,16.RB,21.695,31./:X:f::Store Floating-Point Single with Update Indexed |
| 3615 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3616 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3617 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3618 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3619 | unsigned_word EA; |
| 3620 | if (RA_is_0) |
| 3621 | program_interrupt(processor, cia, |
| 3622 | illegal_instruction_program_interrupt); |
| 3623 | EA = *rA + *rB; |
| 3624 | STORE(EA, 4, SINGLE(*frS)); |
| 3625 | *rA = EA; |
| 3626 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| 3627 | |
| 3628 | 0.54,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double |
| 3629 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3630 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3631 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3632 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3633 | unsigned_word b; |
| 3634 | unsigned_word EA; |
| 3635 | if (RA_is_0) b = 0; |
| 3636 | else b = *rA; |
| 3637 | EA = b + EXTS(D); |
| 3638 | STORE(EA, 8, *frS); |
| 3639 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 3640 | |
| 3641 | 0.31,6.FRS,11.RA,16.RB,21.727,31./:X:f::Store Floating-Point Double Indexed |
| 3642 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3643 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3644 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3645 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3646 | unsigned_word b; |
| 3647 | unsigned_word EA; |
| 3648 | if (RA_is_0) b = 0; |
| 3649 | else b = *rA; |
| 3650 | EA = b + *rB; |
| 3651 | STORE(EA, 8, *frS); |
| 3652 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| 3653 | |
| 3654 | 0.31,6.FRS,11.RA,16.RB,21.983,31./:X:f::Store Floating-Point Integer Word Indexed |
| 3655 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3656 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3657 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3658 | unsigned_word b; |
| 3659 | unsigned_word EA; |
| 3660 | if (RA_is_0) b = 0; |
| 3661 | else b = *rA; |
| 3662 | EA = b + *rB; |
| 3663 | STORE(EA, 4, *frS); |
| 3664 | PPC_INSN_INT_FLOAT(0, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| 3665 | |
| 3666 | 0.55,6.FRS,11.RA,16.D:D:f::Store Floating-Point Double with Update |
| 3667 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3668 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3669 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3670 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3671 | unsigned_word EA; |
| 3672 | if (RA_is_0) |
| 3673 | program_interrupt(processor, cia, |
| 3674 | illegal_instruction_program_interrupt); |
| 3675 | EA = *rA + EXTS(D); |
| 3676 | STORE(EA, 8, *frS); |
| 3677 | *rA = EA; |
| 3678 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1), FRS_BITMASK); |
| 3679 | |
| 3680 | 0.31,6.FRS,11.RA,16.RB,21.759,31./:X:f::Store Floating-Point Double with Update Indexed |
| 3681 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 3682 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3683 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 2, 0 |
| 3684 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 3685 | unsigned_word EA; |
| 3686 | if (RA_is_0) |
| 3687 | program_interrupt(processor, cia, |
| 3688 | illegal_instruction_program_interrupt); |
| 3689 | EA = *rA + *rB; |
| 3690 | STORE(EA, 8, *frS); |
| 3691 | *rA = EA; |
| 3692 | PPC_INSN_INT_FLOAT(RA_BITMASK, 0, (RA_BITMASK & ~1) | RB_BITMASK, FRS_BITMASK); |
| 3693 | |
| 3694 | |
| 3695 | # |
| 3696 | # I.4.6.4 Floating-Point Move Instructions |
| 3697 | # |
| 3698 | |
| 3699 | 0.63,6.FRT,11./,16.FRB,21.72,31.Rc:X:f::Floating Move Register |
| 3700 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3701 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3702 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3703 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3704 | *frT = *frB; |
| 3705 | CR1_UPDATE(Rc); |
| 3706 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 3707 | |
| 3708 | 0.63,6.FRT,11./,16.FRB,21.40,31.Rc:X:f::Floating Negate |
| 3709 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3710 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3711 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3712 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3713 | *frT = *frB ^ BIT64(0); |
| 3714 | CR1_UPDATE(Rc); |
| 3715 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 3716 | |
| 3717 | 0.63,6.FRT,11./,16.FRB,21.264,31.Rc:X:f::Floating Absolute Value |
| 3718 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3719 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3720 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3721 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3722 | *frT = *frB & ~BIT64(0); |
| 3723 | CR1_UPDATE(Rc); |
| 3724 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 3725 | |
| 3726 | 0.63,6.FRT,11./,16.FRB,21.136,31.Rc:X:f::Floating Negative Absolute Value |
| 3727 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3728 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3729 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3730 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3731 | *frT = *frB | BIT64(0); |
| 3732 | CR1_UPDATE(Rc); |
| 3733 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 3734 | |
| 3735 | |
| 3736 | # |
| 3737 | # I.4.6.5 Floating-Point Arithmetic Instructions |
| 3738 | # |
| 3739 | |
| 3740 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadd:Floating Add |
| 3741 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3742 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3743 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3744 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3745 | FPSCR_BEGIN; |
| 3746 | if (is_invalid_operation(processor, cia, |
| 3747 | *frA, *frB, |
| 3748 | fpscr_vxsnan | fpscr_vxisi, |
| 3749 | 0, /*single?*/ |
| 3750 | 0) /*negate?*/) { |
| 3751 | invalid_arithemetic_operation(processor, cia, |
| 3752 | frT, *frA, *frB, 0, |
| 3753 | 0, /*instruction_is_frsp*/ |
| 3754 | 0, /*instruction_is_convert_to_64bit*/ |
| 3755 | 0, /*instruction_is_convert_to_32bit*/ |
| 3756 | 0); /*single-precision*/ |
| 3757 | } |
| 3758 | else { |
| 3759 | /*HACK!*/ |
| 3760 | double s = *(double*)frA + *(double*)frB; |
| 3761 | *(double*)frT = s; |
| 3762 | } |
| 3763 | FPSCR_END(Rc); |
| 3764 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 3765 | |
| 3766 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.21,31.Rc:A:f:fadds:Floating Add Single |
| 3767 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3768 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3769 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3770 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3771 | FPSCR_BEGIN; |
| 3772 | if (is_invalid_operation(processor, cia, |
| 3773 | *frA, *frB, |
| 3774 | fpscr_vxsnan | fpscr_vxisi, |
| 3775 | 1, /*single?*/ |
| 3776 | 0) /*negate?*/) { |
| 3777 | invalid_arithemetic_operation(processor, cia, |
| 3778 | frT, *frA, *frB, 0, |
| 3779 | 0, /*instruction_is_frsp*/ |
| 3780 | 0, /*instruction_is_convert_to_64bit*/ |
| 3781 | 0, /*instruction_is_convert_to_32bit*/ |
| 3782 | 1); /*single-precision*/ |
| 3783 | } |
| 3784 | else { |
| 3785 | /*HACK!*/ |
| 3786 | float s = *(double*)frA + *(double*)frB; |
| 3787 | *(double*)frT = s; |
| 3788 | } |
| 3789 | FPSCR_END(Rc); |
| 3790 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 3791 | |
| 3792 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsub:Floating Subtract |
| 3793 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3794 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3795 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3796 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3797 | FPSCR_BEGIN; |
| 3798 | if (is_invalid_operation(processor, cia, |
| 3799 | *frA, *frB, |
| 3800 | fpscr_vxsnan | fpscr_vxisi, |
| 3801 | 0, /*single?*/ |
| 3802 | 1) /*negate?*/) { |
| 3803 | invalid_arithemetic_operation(processor, cia, |
| 3804 | frT, *frA, *frB, 0, |
| 3805 | 0, /*instruction_is_frsp*/ |
| 3806 | 0, /*instruction_is_convert_to_64bit*/ |
| 3807 | 0, /*instruction_is_convert_to_32bit*/ |
| 3808 | 0); /*single-precision*/ |
| 3809 | } |
| 3810 | else { |
| 3811 | /*HACK!*/ |
| 3812 | double s = *(double*)frA - *(double*)frB; |
| 3813 | *(double*)frT = s; |
| 3814 | } |
| 3815 | FPSCR_END(Rc); |
| 3816 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 3817 | |
| 3818 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.20,31.Rc:A:f:fsubs:Floating Subtract Single |
| 3819 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3820 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3821 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3822 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3823 | FPSCR_BEGIN; |
| 3824 | if (is_invalid_operation(processor, cia, |
| 3825 | *frA, *frB, |
| 3826 | fpscr_vxsnan | fpscr_vxisi, |
| 3827 | 1, /*single?*/ |
| 3828 | 1) /*negate?*/) { |
| 3829 | invalid_arithemetic_operation(processor, cia, |
| 3830 | frT, *frA, *frB, 0, |
| 3831 | 0, /*instruction_is_frsp*/ |
| 3832 | 0, /*instruction_is_convert_to_64bit*/ |
| 3833 | 0, /*instruction_is_convert_to_32bit*/ |
| 3834 | 1); /*single-precision*/ |
| 3835 | } |
| 3836 | else { |
| 3837 | /*HACK!*/ |
| 3838 | float s = *(double*)frA - *(double*)frB; |
| 3839 | *(double*)frT = s; |
| 3840 | } |
| 3841 | FPSCR_END(Rc); |
| 3842 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 3843 | |
| 3844 | 0.63,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmul:Floating Multiply |
| 3845 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 3846 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 3847 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 3848 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3849 | FPSCR_BEGIN; |
| 3850 | if (is_invalid_operation(processor, cia, |
| 3851 | *frA, *frC, |
| 3852 | fpscr_vxsnan | fpscr_vximz, |
| 3853 | 0, /*single?*/ |
| 3854 | 0) /*negate?*/) { |
| 3855 | invalid_arithemetic_operation(processor, cia, |
| 3856 | frT, *frA, 0, *frC, |
| 3857 | 0, /*instruction_is_frsp*/ |
| 3858 | 0, /*instruction_is_convert_to_64bit*/ |
| 3859 | 0, /*instruction_is_convert_to_32bit*/ |
| 3860 | 0); /*single-precision*/ |
| 3861 | } |
| 3862 | else { |
| 3863 | /*HACK!*/ |
| 3864 | double s = *(double*)frA * *(double*)frC; |
| 3865 | *(double*)frT = s; |
| 3866 | } |
| 3867 | FPSCR_END(Rc); |
| 3868 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); |
| 3869 | |
| 3870 | 0.59,6.FRT,11.FRA,16./,21.FRC,26.25,31.Rc:A:f:fmuls:Floating Multiply Single |
| 3871 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 3872 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3873 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3874 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3875 | FPSCR_BEGIN; |
| 3876 | if (is_invalid_operation(processor, cia, |
| 3877 | *frA, *frC, |
| 3878 | fpscr_vxsnan | fpscr_vximz, |
| 3879 | 1, /*single?*/ |
| 3880 | 0) /*negate?*/) { |
| 3881 | invalid_arithemetic_operation(processor, cia, |
| 3882 | frT, *frA, 0, *frC, |
| 3883 | 0, /*instruction_is_frsp*/ |
| 3884 | 0, /*instruction_is_convert_to_64bit*/ |
| 3885 | 0, /*instruction_is_convert_to_32bit*/ |
| 3886 | 1); /*single-precision*/ |
| 3887 | } |
| 3888 | else { |
| 3889 | /*HACK!*/ |
| 3890 | float s = *(double*)frA * *(double*)frC; |
| 3891 | *(double*)frT = s; |
| 3892 | } |
| 3893 | FPSCR_END(Rc); |
| 3894 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRC_BITMASK, Rc); |
| 3895 | |
| 3896 | 0.63,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdiv:Floating Divide |
| 3897 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 31, 31, 0 |
| 3898 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 |
| 3899 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 33, 33, 0 |
| 3900 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 32, 32, 0 |
| 3901 | FPSCR_BEGIN; |
| 3902 | if (is_invalid_operation(processor, cia, |
| 3903 | *frA, *frB, |
| 3904 | fpscr_vxsnan | fpscr_vxzdz, |
| 3905 | 0, /*single?*/ |
| 3906 | 0) /*negate?*/) { |
| 3907 | invalid_arithemetic_operation(processor, cia, |
| 3908 | frT, *frA, *frB, 0, |
| 3909 | 0, /*instruction_is_frsp*/ |
| 3910 | 0, /*instruction_is_convert_to_64bit*/ |
| 3911 | 0, /*instruction_is_convert_to_32bit*/ |
| 3912 | 0); /*single-precision*/ |
| 3913 | } |
| 3914 | else if (is_invalid_zero_divide (processor, cia, |
| 3915 | *frA, *frB, |
| 3916 | 0 /*single?*/)) { |
| 3917 | invalid_zero_divide_operation (processor, cia, |
| 3918 | frT, *frA, *frB, |
| 3919 | 0 /*single?*/); |
| 3920 | } |
| 3921 | else { |
| 3922 | /*HACK!*/ |
| 3923 | double s = *(double*)frA / *(double*)frB; |
| 3924 | *(double*)frT = s; |
| 3925 | } |
| 3926 | FPSCR_END(Rc); |
| 3927 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 3928 | |
| 3929 | 0.59,6.FRT,11.FRA,16.FRB,21./,26.18,31.Rc:A:f:fdivs:Floating Divide Single |
| 3930 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 17, 17, 0 |
| 3931 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 |
| 3932 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 |
| 3933 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 18, 18, 0 |
| 3934 | FPSCR_BEGIN; |
| 3935 | if (is_invalid_operation(processor, cia, |
| 3936 | *frA, *frB, |
| 3937 | fpscr_vxsnan | fpscr_vxzdz, |
| 3938 | 1, /*single?*/ |
| 3939 | 0) /*negate?*/) { |
| 3940 | invalid_arithemetic_operation(processor, cia, |
| 3941 | frT, *frA, *frB, 0, |
| 3942 | 0, /*instruction_is_frsp*/ |
| 3943 | 0, /*instruction_is_convert_to_64bit*/ |
| 3944 | 0, /*instruction_is_convert_to_32bit*/ |
| 3945 | 1); /*single-precision*/ |
| 3946 | } |
| 3947 | else if (is_invalid_zero_divide (processor, cia, |
| 3948 | *frA, *frB, |
| 3949 | 1 /*single?*/)) { |
| 3950 | invalid_zero_divide_operation (processor, cia, |
| 3951 | frT, *frA, *frB, |
| 3952 | 1 /*single?*/); |
| 3953 | } |
| 3954 | else { |
| 3955 | /*HACK!*/ |
| 3956 | float s = *(double*)frA / *(double*)frB; |
| 3957 | *(double*)frT = s; |
| 3958 | } |
| 3959 | FPSCR_END(Rc); |
| 3960 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK, Rc); |
| 3961 | |
| 3962 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f:fmadd:Floating Multiply-Add |
| 3963 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 3964 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 3965 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 3966 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 3967 | FPSCR_BEGIN; |
| 3968 | double product; /*HACK! - incorrectly loosing precision ... */ |
| 3969 | /* compute the multiply */ |
| 3970 | if (is_invalid_operation(processor, cia, |
| 3971 | *frA, *frC, |
| 3972 | fpscr_vxsnan | fpscr_vximz, |
| 3973 | 0, /*single?*/ |
| 3974 | 0) /*negate?*/) { |
| 3975 | union { double d; unsigned64 u; } tmp; |
| 3976 | invalid_arithemetic_operation(processor, cia, |
| 3977 | &tmp.u, *frA, 0, *frC, |
| 3978 | 0, /*instruction_is_frsp*/ |
| 3979 | 0, /*instruction_is_convert_to_64bit*/ |
| 3980 | 0, /*instruction_is_convert_to_32bit*/ |
| 3981 | 0); /*single-precision*/ |
| 3982 | product = tmp.d; |
| 3983 | } |
| 3984 | else { |
| 3985 | /*HACK!*/ |
| 3986 | product = *(double*)frA * *(double*)frC; |
| 3987 | } |
| 3988 | /* compute the add */ |
| 3989 | if (is_invalid_operation(processor, cia, |
| 3990 | product, *frB, |
| 3991 | fpscr_vxsnan | fpscr_vxisi, |
| 3992 | 0, /*single?*/ |
| 3993 | 0) /*negate?*/) { |
| 3994 | invalid_arithemetic_operation(processor, cia, |
| 3995 | frT, product, *frB, 0, |
| 3996 | 0, /*instruction_is_frsp*/ |
| 3997 | 0, /*instruction_is_convert_to_64bit*/ |
| 3998 | 0, /*instruction_is_convert_to_32bit*/ |
| 3999 | 0); /*single-precision*/ |
| 4000 | } |
| 4001 | else { |
| 4002 | /*HACK!*/ |
| 4003 | double s = product + *(double*)frB; |
| 4004 | *(double*)frT = s; |
| 4005 | } |
| 4006 | FPSCR_END(Rc); |
| 4007 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4008 | |
| 4009 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.29,31.Rc:A:f::Floating Multiply-Add Single |
| 4010 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4011 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4012 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4013 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4014 | FPSCR_BEGIN; |
| 4015 | float product; /*HACK! - incorrectly loosing precision ... */ |
| 4016 | /* compute the multiply */ |
| 4017 | if (is_invalid_operation(processor, cia, |
| 4018 | *frA, *frC, |
| 4019 | fpscr_vxsnan | fpscr_vximz, |
| 4020 | 1, /*single?*/ |
| 4021 | 0) /*negate?*/) { |
| 4022 | union { double d; unsigned64 u; } tmp; |
| 4023 | invalid_arithemetic_operation(processor, cia, |
| 4024 | &tmp.u, *frA, 0, *frC, |
| 4025 | 0, /*instruction_is_frsp*/ |
| 4026 | 0, /*instruction_is_convert_to_64bit*/ |
| 4027 | 0, /*instruction_is_convert_to_32bit*/ |
| 4028 | 0); /*single-precision*/ |
| 4029 | product = tmp.d; |
| 4030 | } |
| 4031 | else { |
| 4032 | /*HACK!*/ |
| 4033 | product = *(double*)frA * *(double*)frC; |
| 4034 | } |
| 4035 | /* compute the add */ |
| 4036 | if (is_invalid_operation(processor, cia, |
| 4037 | product, *frB, |
| 4038 | fpscr_vxsnan | fpscr_vxisi, |
| 4039 | 1, /*single?*/ |
| 4040 | 0) /*negate?*/) { |
| 4041 | invalid_arithemetic_operation(processor, cia, |
| 4042 | frT, product, *frB, 0, |
| 4043 | 0, /*instruction_is_frsp*/ |
| 4044 | 0, /*instruction_is_convert_to_64bit*/ |
| 4045 | 0, /*instruction_is_convert_to_32bit*/ |
| 4046 | 0); /*single-precision*/ |
| 4047 | } |
| 4048 | else { |
| 4049 | /*HACK!*/ |
| 4050 | float s = product + *(double*)frB; |
| 4051 | *(double*)frT = (double)s; |
| 4052 | } |
| 4053 | FPSCR_END(Rc); |
| 4054 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4055 | |
| 4056 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract |
| 4057 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 4058 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 4059 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 4060 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4061 | FPSCR_BEGIN; |
| 4062 | double product; /*HACK! - incorrectly loosing precision ... */ |
| 4063 | /* compute the multiply */ |
| 4064 | if (is_invalid_operation(processor, cia, |
| 4065 | *frA, *frC, |
| 4066 | fpscr_vxsnan | fpscr_vximz, |
| 4067 | 0, /*single?*/ |
| 4068 | 0) /*negate?*/) { |
| 4069 | union { double d; unsigned64 u; } tmp; |
| 4070 | invalid_arithemetic_operation(processor, cia, |
| 4071 | &tmp.u, *frA, 0, *frC, |
| 4072 | 0, /*instruction_is_frsp*/ |
| 4073 | 0, /*instruction_is_convert_to_64bit*/ |
| 4074 | 0, /*instruction_is_convert_to_32bit*/ |
| 4075 | 0); /*single-precision*/ |
| 4076 | product = tmp.d; |
| 4077 | } |
| 4078 | else { |
| 4079 | /*HACK!*/ |
| 4080 | product = *(double*)frA * *(double*)frC; |
| 4081 | } |
| 4082 | /* compute the subtract */ |
| 4083 | if (is_invalid_operation(processor, cia, |
| 4084 | product, *frB, |
| 4085 | fpscr_vxsnan | fpscr_vxisi, |
| 4086 | 0, /*single?*/ |
| 4087 | 0) /*negate?*/) { |
| 4088 | invalid_arithemetic_operation(processor, cia, |
| 4089 | frT, product, *frB, 0, |
| 4090 | 0, /*instruction_is_frsp*/ |
| 4091 | 0, /*instruction_is_convert_to_64bit*/ |
| 4092 | 0, /*instruction_is_convert_to_32bit*/ |
| 4093 | 0); /*single-precision*/ |
| 4094 | } |
| 4095 | else { |
| 4096 | /*HACK!*/ |
| 4097 | double s = product - *(double*)frB; |
| 4098 | *(double*)frT = s; |
| 4099 | } |
| 4100 | FPSCR_END(Rc); |
| 4101 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4102 | |
| 4103 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.28,31.Rc:A:f::Floating Multiply-Subtract Single |
| 4104 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4105 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4106 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4107 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4108 | FPSCR_BEGIN; |
| 4109 | float product; /*HACK! - incorrectly loosing precision ... */ |
| 4110 | /* compute the multiply */ |
| 4111 | if (is_invalid_operation(processor, cia, |
| 4112 | *frA, *frC, |
| 4113 | fpscr_vxsnan | fpscr_vximz, |
| 4114 | 1, /*single?*/ |
| 4115 | 0) /*negate?*/) { |
| 4116 | union { double d; unsigned64 u; } tmp; |
| 4117 | invalid_arithemetic_operation(processor, cia, |
| 4118 | &tmp.u, *frA, 0, *frC, |
| 4119 | 0, /*instruction_is_frsp*/ |
| 4120 | 0, /*instruction_is_convert_to_64bit*/ |
| 4121 | 0, /*instruction_is_convert_to_32bit*/ |
| 4122 | 0); /*single-precision*/ |
| 4123 | product = tmp.d; |
| 4124 | } |
| 4125 | else { |
| 4126 | /*HACK!*/ |
| 4127 | product = *(double*)frA * *(double*)frC; |
| 4128 | } |
| 4129 | /* compute the subtract */ |
| 4130 | if (is_invalid_operation(processor, cia, |
| 4131 | product, *frB, |
| 4132 | fpscr_vxsnan | fpscr_vxisi, |
| 4133 | 1, /*single?*/ |
| 4134 | 0) /*negate?*/) { |
| 4135 | invalid_arithemetic_operation(processor, cia, |
| 4136 | frT, product, *frB, 0, |
| 4137 | 0, /*instruction_is_frsp*/ |
| 4138 | 0, /*instruction_is_convert_to_64bit*/ |
| 4139 | 0, /*instruction_is_convert_to_32bit*/ |
| 4140 | 0); /*single-precision*/ |
| 4141 | } |
| 4142 | else { |
| 4143 | /*HACK!*/ |
| 4144 | float s = product - *(double*)frB; |
| 4145 | *(double*)frT = (double)s; |
| 4146 | } |
| 4147 | FPSCR_END(Rc); |
| 4148 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4149 | |
| 4150 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add |
| 4151 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 4152 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 4153 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 4154 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4155 | FPSCR_BEGIN; |
| 4156 | double product; /*HACK! - incorrectly loosing precision ... */ |
| 4157 | /* compute the multiply */ |
| 4158 | if (is_invalid_operation(processor, cia, |
| 4159 | *frA, *frC, |
| 4160 | fpscr_vxsnan | fpscr_vximz, |
| 4161 | 0, /*single?*/ |
| 4162 | 0) /*negate?*/) { |
| 4163 | union { double d; unsigned64 u; } tmp; |
| 4164 | invalid_arithemetic_operation(processor, cia, |
| 4165 | &tmp.u, *frA, 0, *frC, |
| 4166 | 0, /*instruction_is_frsp*/ |
| 4167 | 0, /*instruction_is_convert_to_64bit*/ |
| 4168 | 0, /*instruction_is_convert_to_32bit*/ |
| 4169 | 0); /*single-precision*/ |
| 4170 | product = tmp.d; |
| 4171 | } |
| 4172 | else { |
| 4173 | /*HACK!*/ |
| 4174 | product = *(double*)frA * *(double*)frC; |
| 4175 | } |
| 4176 | /* compute the add */ |
| 4177 | if (is_invalid_operation(processor, cia, |
| 4178 | product, *frB, |
| 4179 | fpscr_vxsnan | fpscr_vxisi, |
| 4180 | 0, /*single?*/ |
| 4181 | 0) /*negate?*/) { |
| 4182 | invalid_arithemetic_operation(processor, cia, |
| 4183 | frT, product, *frB, 0, |
| 4184 | 0, /*instruction_is_frsp*/ |
| 4185 | 0, /*instruction_is_convert_to_64bit*/ |
| 4186 | 0, /*instruction_is_convert_to_32bit*/ |
| 4187 | 0); /*single-precision*/ |
| 4188 | } |
| 4189 | else { |
| 4190 | /*HACK!*/ |
| 4191 | double s = -(product + *(double*)frB); |
| 4192 | *(double*)frT = s; |
| 4193 | } |
| 4194 | FPSCR_END(Rc); |
| 4195 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4196 | |
| 4197 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.31,31.Rc:A:f::Floating Negative Multiply-Add Single |
| 4198 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4199 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4200 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4201 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4202 | FPSCR_BEGIN; |
| 4203 | float product; /*HACK! - incorrectly loosing precision ... */ |
| 4204 | /* compute the multiply */ |
| 4205 | if (is_invalid_operation(processor, cia, |
| 4206 | *frA, *frC, |
| 4207 | fpscr_vxsnan | fpscr_vximz, |
| 4208 | 1, /*single?*/ |
| 4209 | 0) /*negate?*/) { |
| 4210 | union { double d; unsigned64 u; } tmp; |
| 4211 | invalid_arithemetic_operation(processor, cia, |
| 4212 | &tmp.u, *frA, 0, *frC, |
| 4213 | 0, /*instruction_is_frsp*/ |
| 4214 | 0, /*instruction_is_convert_to_64bit*/ |
| 4215 | 0, /*instruction_is_convert_to_32bit*/ |
| 4216 | 0); /*single-precision*/ |
| 4217 | product = tmp.d; |
| 4218 | } |
| 4219 | else { |
| 4220 | /*HACK!*/ |
| 4221 | product = *(double*)frA * *(double*)frC; |
| 4222 | } |
| 4223 | /* compute the add */ |
| 4224 | if (is_invalid_operation(processor, cia, |
| 4225 | product, *frB, |
| 4226 | fpscr_vxsnan | fpscr_vxisi, |
| 4227 | 1, /*single?*/ |
| 4228 | 0) /*negate?*/) { |
| 4229 | invalid_arithemetic_operation(processor, cia, |
| 4230 | frT, product, *frB, 0, |
| 4231 | 0, /*instruction_is_frsp*/ |
| 4232 | 0, /*instruction_is_convert_to_64bit*/ |
| 4233 | 0, /*instruction_is_convert_to_32bit*/ |
| 4234 | 0); /*single-precision*/ |
| 4235 | } |
| 4236 | else { |
| 4237 | /*HACK!*/ |
| 4238 | float s = -(product + *(double*)frB); |
| 4239 | *(double*)frT = (double)s; |
| 4240 | } |
| 4241 | FPSCR_END(Rc); |
| 4242 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4243 | |
| 4244 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract |
| 4245 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 5, 5, 0 |
| 4246 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 4247 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 2, 4, 0 |
| 4248 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4249 | FPSCR_BEGIN; |
| 4250 | double product; /*HACK! - incorrectly loosing precision ... */ |
| 4251 | /* compute the multiply */ |
| 4252 | if (is_invalid_operation(processor, cia, |
| 4253 | *frA, *frC, |
| 4254 | fpscr_vxsnan | fpscr_vximz, |
| 4255 | 0, /*single?*/ |
| 4256 | 0) /*negate?*/) { |
| 4257 | union { double d; unsigned64 u; } tmp; |
| 4258 | invalid_arithemetic_operation(processor, cia, |
| 4259 | &tmp.u, *frA, 0, *frC, |
| 4260 | 0, /*instruction_is_frsp*/ |
| 4261 | 0, /*instruction_is_convert_to_64bit*/ |
| 4262 | 0, /*instruction_is_convert_to_32bit*/ |
| 4263 | 0); /*single-precision*/ |
| 4264 | product = tmp.d; |
| 4265 | } |
| 4266 | else { |
| 4267 | /*HACK!*/ |
| 4268 | product = *(double*)frA * *(double*)frC; |
| 4269 | } |
| 4270 | /* compute the subtract */ |
| 4271 | if (is_invalid_operation(processor, cia, |
| 4272 | product, *frB, |
| 4273 | fpscr_vxsnan | fpscr_vxisi, |
| 4274 | 0, /*single?*/ |
| 4275 | 0) /*negate?*/) { |
| 4276 | invalid_arithemetic_operation(processor, cia, |
| 4277 | frT, product, *frB, 0, |
| 4278 | 0, /*instruction_is_frsp*/ |
| 4279 | 0, /*instruction_is_convert_to_64bit*/ |
| 4280 | 0, /*instruction_is_convert_to_32bit*/ |
| 4281 | 0); /*single-precision*/ |
| 4282 | } |
| 4283 | else { |
| 4284 | /*HACK!*/ |
| 4285 | double s = -(product - *(double*)frB); |
| 4286 | *(double*)frT = s; |
| 4287 | } |
| 4288 | FPSCR_END(Rc); |
| 4289 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4290 | |
| 4291 | 0.59,6.FRT,11.FRA,16.FRB,21.FRC,26.30,31.Rc:A:f::Floating Negative Multiply-Subtract Single |
| 4292 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4293 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4294 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4295 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4296 | FPSCR_BEGIN; |
| 4297 | float product; /*HACK! - incorrectly loosing precision ... */ |
| 4298 | /* compute the multiply */ |
| 4299 | if (is_invalid_operation(processor, cia, |
| 4300 | *frA, *frC, |
| 4301 | fpscr_vxsnan | fpscr_vximz, |
| 4302 | 1, /*single?*/ |
| 4303 | 0) /*negate?*/) { |
| 4304 | union { double d; unsigned64 u; } tmp; |
| 4305 | invalid_arithemetic_operation(processor, cia, |
| 4306 | &tmp.u, *frA, 0, *frC, |
| 4307 | 0, /*instruction_is_frsp*/ |
| 4308 | 0, /*instruction_is_convert_to_64bit*/ |
| 4309 | 0, /*instruction_is_convert_to_32bit*/ |
| 4310 | 0); /*single-precision*/ |
| 4311 | product = tmp.d; |
| 4312 | } |
| 4313 | else { |
| 4314 | /*HACK!*/ |
| 4315 | product = *(double*)frA * *(double*)frC; |
| 4316 | } |
| 4317 | /* compute the subtract */ |
| 4318 | if (is_invalid_operation(processor, cia, |
| 4319 | product, *frB, |
| 4320 | fpscr_vxsnan | fpscr_vxisi, |
| 4321 | 1, /*single?*/ |
| 4322 | 0) /*negate?*/) { |
| 4323 | invalid_arithemetic_operation(processor, cia, |
| 4324 | frT, product, *frB, 0, |
| 4325 | 0, /*instruction_is_frsp*/ |
| 4326 | 0, /*instruction_is_convert_to_64bit*/ |
| 4327 | 0, /*instruction_is_convert_to_32bit*/ |
| 4328 | 0); /*single-precision*/ |
| 4329 | } |
| 4330 | else { |
| 4331 | /*HACK!*/ |
| 4332 | float s = -(product - *(double*)frB); |
| 4333 | *(double*)frT = (double)s; |
| 4334 | } |
| 4335 | FPSCR_END(Rc); |
| 4336 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4337 | |
| 4338 | |
| 4339 | # |
| 4340 | # I.4.6.6 Floating-Point Rounding and Conversion Instructions |
| 4341 | # |
| 4342 | |
| 4343 | 0.63,6.FRT,11./,16.FRB,21.12,31.Rc:X:f::Floating Round to Single-Precision |
| 4344 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4345 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4346 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4347 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4348 | int sign; |
| 4349 | int exp; |
| 4350 | unsigned64 frac_grx; |
| 4351 | /***/ |
| 4352 | /* split off cases for what to do */ |
| 4353 | if (EXTRACTED64(*frB, 1, 11) < 897 |
| 4354 | && EXTRACTED64(*frB, 1, 63) > 0) { |
| 4355 | if ((FPSCR & fpscr_ue) == 0) GOTO(Disabled_Exponent_Underflow); |
| 4356 | if ((FPSCR & fpscr_ue) != 0) GOTO(Enabled_Exponent_Underflow); |
| 4357 | } |
| 4358 | if (EXTRACTED64(*frB, 1, 11) > 1150 |
| 4359 | && EXTRACTED64(*frB, 1, 11) < 2047) { |
| 4360 | if ((FPSCR & fpscr_oe) == 0) GOTO(Disabled_Exponent_Overflow); |
| 4361 | if ((FPSCR & fpscr_oe) != 0) GOTO(Enabled_Exponent_Overflow); |
| 4362 | } |
| 4363 | if (EXTRACTED64(*frB, 1, 11) > 896 |
| 4364 | && EXTRACTED64(*frB, 1, 11) < 1151) GOTO(Normal_Operand); |
| 4365 | if (EXTRACTED64(*frB, 1, 63) == 0) GOTO(Zero_Operand); |
| 4366 | if (EXTRACTED64(*frB, 1, 11) == 2047) { |
| 4367 | if (EXTRACTED64(*frB, 12, 63) == 0) GOTO(Infinity_Operand); |
| 4368 | if (EXTRACTED64(*frB, 12, 12) == 1) GOTO(QNaN_Operand); |
| 4369 | if (EXTRACTED64(*frB, 12, 12) == 0 |
| 4370 | && EXTRACTED64(*frB, 13, 63) > 0) GOTO(SNaN_Operand); |
| 4371 | } |
| 4372 | /**/ |
| 4373 | LABEL(Disabled_Exponent_Underflow): |
| 4374 | sign = EXTRACTED64(*frB, 0, 0); |
| 4375 | if (EXTRACTED64(*frB, 1, 11) == 0) { |
| 4376 | exp = -1022; |
| 4377 | frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); |
| 4378 | } |
| 4379 | if (EXTRACTED64(*frB, 1, 11) > 0) { |
| 4380 | exp = EXTRACTED64(*frB, 1, 11) - 1023; |
| 4381 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); |
| 4382 | } |
| 4383 | /* G|R|X == zero from above */ |
| 4384 | while (exp < -126) { |
| 4385 | exp = exp + 1; |
| 4386 | frac_grx = (INSERTED64(EXTRACTED64(frac_grx, 0, 54), 1, 55) |
| 4387 | | MASKED64(frac_grx, 55, 55)); |
| 4388 | } |
| 4389 | FPSCR_SET_UX(EXTRACTED64(frac_grx, 24, 55) > 0); |
| 4390 | Round_Single(processor, sign, &exp, &frac_grx); |
| 4391 | FPSCR_SET_XX(FPSCR & fpscr_fi); |
| 4392 | if (EXTRACTED64(frac_grx, 0, 52) == 0) { |
| 4393 | *frT = INSERTED64(sign, 0, 0); |
| 4394 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); |
| 4395 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); |
| 4396 | } |
| 4397 | if (EXTRACTED64(frac_grx, 0, 52) > 0) { |
| 4398 | if (EXTRACTED64(frac_grx, 0, 0) == 1) { |
| 4399 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4400 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); |
| 4401 | } |
| 4402 | if (EXTRACTED64(frac_grx, 0, 0) == 0) { |
| 4403 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_denormalized_number); |
| 4404 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_denormalized_number); |
| 4405 | } |
| 4406 | /*Normalize_Operand:*/ |
| 4407 | while (EXTRACTED64(frac_grx, 0, 0) == 0) { |
| 4408 | exp = exp - 1; |
| 4409 | frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); |
| 4410 | } |
| 4411 | *frT = (INSERTED64(sign, 0, 0) |
| 4412 | | INSERTED64(exp + 1023, 1, 11) |
| 4413 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); |
| 4414 | } |
| 4415 | GOTO(Done); |
| 4416 | /**/ |
| 4417 | LABEL(Enabled_Exponent_Underflow): |
| 4418 | FPSCR_SET_UX(1); |
| 4419 | sign = EXTRACTED64(*frB, 0, 0); |
| 4420 | if (EXTRACTED64(*frB, 1, 11) == 0) { |
| 4421 | exp = -1022; |
| 4422 | frac_grx = INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); |
| 4423 | } |
| 4424 | if (EXTRACTED64(*frB, 1, 11) > 0) { |
| 4425 | exp = EXTRACTED64(*frB, 1, 11) - 1023; |
| 4426 | frac_grx = (BIT64(0) | |
| 4427 | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52)); |
| 4428 | } |
| 4429 | /*Normalize_Operand:*/ |
| 4430 | while (EXTRACTED64(frac_grx, 0, 0) == 0) { |
| 4431 | exp = exp - 1; |
| 4432 | frac_grx = INSERTED64(EXTRACTED64(frac_grx, 1, 52), 0, 51); |
| 4433 | } |
| 4434 | Round_Single(processor, sign, &exp, &frac_grx); |
| 4435 | FPSCR_SET_XX(FPSCR & fpscr_fi); |
| 4436 | exp = exp + 192; |
| 4437 | *frT = (INSERTED64(sign, 0, 0) |
| 4438 | | INSERTED64(exp + 1023, 1, 11) |
| 4439 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); |
| 4440 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4441 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); |
| 4442 | GOTO(Done); |
| 4443 | /**/ |
| 4444 | LABEL(Disabled_Exponent_Overflow): |
| 4445 | FPSCR_SET_OX(1); |
| 4446 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_to_nearest) { |
| 4447 | if (EXTRACTED64(*frB, 0, 0) == 0) { |
| 4448 | *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; |
| 4449 | FPSCR_SET_FPRF(fpscr_rf_pos_infinity); |
| 4450 | } |
| 4451 | if (EXTRACTED64(*frB, 0, 0) == 1) { |
| 4452 | *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; |
| 4453 | FPSCR_SET_FPRF(fpscr_rf_neg_infinity); |
| 4454 | } |
| 4455 | } |
| 4456 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_zero) { |
| 4457 | if (EXTRACTED64(*frB, 0, 0) == 0) { |
| 4458 | *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; |
| 4459 | FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4460 | } |
| 4461 | if (EXTRACTED64(*frB, 0, 0) == 1) { |
| 4462 | *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; |
| 4463 | FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); |
| 4464 | } |
| 4465 | } |
| 4466 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_pos_infinity) { |
| 4467 | if (EXTRACTED64(*frB, 0, 0) == 0) { |
| 4468 | *frT = INSERTED64(0x7FF00000, 0, 31) | 0x00000000; |
| 4469 | FPSCR_SET_FPRF(fpscr_rf_pos_infinity); |
| 4470 | } |
| 4471 | if (EXTRACTED64(*frB, 0, 0) == 1) { |
| 4472 | *frT = INSERTED64(0xC7EFFFFF, 0, 31) | 0xE0000000; |
| 4473 | FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); |
| 4474 | } |
| 4475 | } |
| 4476 | if ((FPSCR & fpscr_rn) == fpscr_rn_round_towards_neg_infinity) { |
| 4477 | if (EXTRACTED64(*frB, 0, 0) == 0) { |
| 4478 | *frT = INSERTED64(0x47EFFFFF, 0, 31) | 0xE0000000; |
| 4479 | FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4480 | } |
| 4481 | if (EXTRACTED64(*frB, 0, 0) == 1) { |
| 4482 | *frT = INSERTED64(0xFFF00000, 0, 31) | 0x00000000; |
| 4483 | FPSCR_SET_FPRF(fpscr_rf_neg_infinity); |
| 4484 | } |
| 4485 | } |
| 4486 | /* FPSCR[FR] <- undefined */ |
| 4487 | FPSCR_SET_FI(1); |
| 4488 | FPSCR_SET_XX(1); |
| 4489 | GOTO(Done); |
| 4490 | /**/ |
| 4491 | LABEL(Enabled_Exponent_Overflow): |
| 4492 | sign = EXTRACTED64(*frB, 0, 0); |
| 4493 | exp = EXTRACTED64(*frB, 1, 11) - 1023; |
| 4494 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); |
| 4495 | Round_Single(processor, sign, &exp, &frac_grx); |
| 4496 | FPSCR_SET_XX(FPSCR & fpscr_fi); |
| 4497 | /**/ |
| 4498 | LABEL(Enabled_Overflow): |
| 4499 | FPSCR_SET_OX(1); |
| 4500 | exp = exp - 192; |
| 4501 | *frT = (INSERTED64(sign, 0, 0) |
| 4502 | | INSERTED64(exp + 1023, 1, 11) |
| 4503 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); |
| 4504 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4505 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); |
| 4506 | GOTO(Done); |
| 4507 | /**/ |
| 4508 | LABEL(Zero_Operand): |
| 4509 | *frT = *frB; |
| 4510 | if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_zero); |
| 4511 | if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_zero); |
| 4512 | FPSCR_SET_FR(0); |
| 4513 | FPSCR_SET_FI(0); |
| 4514 | GOTO(Done); |
| 4515 | /**/ |
| 4516 | LABEL(Infinity_Operand): |
| 4517 | *frT = *frB; |
| 4518 | if (EXTRACTED64(*frB, 0, 0) == 0) FPSCR_SET_FPRF(fpscr_rf_pos_infinity); |
| 4519 | if (EXTRACTED64(*frB, 0, 0) == 1) FPSCR_SET_FPRF(fpscr_rf_neg_infinity); |
| 4520 | FPSCR_SET_FR(0); |
| 4521 | FPSCR_SET_FI(0); |
| 4522 | GOTO(Done); |
| 4523 | /**/ |
| 4524 | LABEL(QNaN_Operand): |
| 4525 | *frT = INSERTED64(EXTRACTED64(*frB, 0, 34), 0, 34); |
| 4526 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); |
| 4527 | FPSCR_SET_FR(0); |
| 4528 | FPSCR_SET_FI(0); |
| 4529 | GOTO(Done); |
| 4530 | /**/ |
| 4531 | LABEL(SNaN_Operand): |
| 4532 | FPSCR_OR_VX(fpscr_vxsnan); |
| 4533 | if ((FPSCR & fpscr_ve) == 0) { |
| 4534 | *frT = (MASKED64(*frB, 0, 11) |
| 4535 | | BIT64(12) |
| 4536 | | MASKED64(*frB, 13, 34)); |
| 4537 | FPSCR_SET_FPRF(fpscr_rf_quiet_nan); |
| 4538 | } |
| 4539 | FPSCR_SET_FR(0); |
| 4540 | FPSCR_SET_FI(0); |
| 4541 | GOTO(Done); |
| 4542 | /**/ |
| 4543 | LABEL(Normal_Operand): |
| 4544 | sign = EXTRACTED64(*frB, 0, 0); |
| 4545 | exp = EXTRACTED64(*frB, 1, 11) - 1023; |
| 4546 | frac_grx = BIT64(0) | INSERTED64(EXTRACTED64(*frB, 12, 63), 1, 52); |
| 4547 | Round_Single(processor, sign, &exp, &frac_grx); |
| 4548 | FPSCR_SET_XX(FPSCR & fpscr_fi); |
| 4549 | if (exp > 127 && (FPSCR & fpscr_oe) == 0) GOTO(Disabled_Exponent_Overflow); |
| 4550 | if (exp > 127 && (FPSCR & fpscr_oe) != 0) GOTO(Enabled_Overflow); |
| 4551 | *frT = (INSERTED64(sign, 0, 0) |
| 4552 | | INSERTED64(exp + 1023, 1, 11) |
| 4553 | | INSERTED64(EXTRACTED64(frac_grx, 1, 52), 12, 63)); |
| 4554 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4555 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_neg_normal_number); |
| 4556 | GOTO(Done); |
| 4557 | /**/ |
| 4558 | LABEL(Done): |
| 4559 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 4560 | |
| 4561 | |
| 4562 | 0.63,6.FRT,11./,16.FRB,21.814,31.Rc:X:64,f::Floating Convert To Integer Doubleword |
| 4563 | floating_point_assist_interrupt(processor, cia); |
| 4564 | |
| 4565 | 0.63,6.FRT,11./,16.FRB,21.815,31.Rc:X:64,f::Floating Convert To Integer Doubleword with round towards Zero |
| 4566 | floating_point_assist_interrupt(processor, cia); |
| 4567 | |
| 4568 | 0.63,6.FRT,11./,16.FRB,21.14,31.Rc:X:f::Floating Convert To Integer Word |
| 4569 | floating_point_assist_interrupt(processor, cia); |
| 4570 | |
| 4571 | 0.63,6.FRT,11./,16.FRB,21.15,31.Rc:X:f:fctiwz:Floating Convert To Integer Word with round towards Zero |
| 4572 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4573 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4574 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4575 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4576 | FPSCR_BEGIN; |
| 4577 | convert_to_integer(processor, cia, |
| 4578 | frT, *frB, |
| 4579 | fpscr_rn_round_towards_zero, 32); |
| 4580 | FPSCR_END(Rc); |
| 4581 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 4582 | |
| 4583 | 0.63,6.FRT,11./,16.FRB,21.846,31.Rc:X:64,f::Floating Convert from Integer Doubleword |
| 4584 | int sign = EXTRACTED64(*frB, 0, 0); |
| 4585 | int exp = 63; |
| 4586 | unsigned64 frac = *frB; |
| 4587 | /***/ |
| 4588 | if (frac == 0) GOTO(Zero_Operand); |
| 4589 | if (sign == 1) frac = ~frac + 1; |
| 4590 | while (EXTRACTED64(frac, 0, 0) == 0) { |
| 4591 | /*??? do the loop 0 times if (FRB) = max negative integer */ |
| 4592 | frac = INSERTED64(EXTRACTED64(frac, 1, 63), 0, 62); |
| 4593 | exp = exp - 1; |
| 4594 | } |
| 4595 | Round_Float(processor, sign, &exp, &frac, FPSCR & fpscr_rn); |
| 4596 | if (sign == 0) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4597 | if (sign == 1) FPSCR_SET_FPRF(fpscr_rf_pos_normal_number); |
| 4598 | *frT = (INSERTED64(sign, 0, 0) |
| 4599 | | INSERTED64(exp + 1023, 1, 11) |
| 4600 | | INSERTED64(EXTRACTED64(frac, 1, 52), 12, 63)); |
| 4601 | GOTO(Done); |
| 4602 | /**/ |
| 4603 | LABEL(Zero_Operand): |
| 4604 | FPSCR_SET_FR(0); |
| 4605 | FPSCR_SET_FI(0); |
| 4606 | FPSCR_SET_FPRF(fpscr_rf_pos_zero); |
| 4607 | *frT = 0; |
| 4608 | GOTO(Done); |
| 4609 | /**/ |
| 4610 | LABEL(Done): |
| 4611 | PPC_INSN_FLOAT(FRT_BITMASK, FRB_BITMASK, Rc); |
| 4612 | |
| 4613 | |
| 4614 | # |
| 4615 | # I.4.6.7 Floating-Point Compare Instructions |
| 4616 | # |
| 4617 | |
| 4618 | 0.63,6.BF,9./,11.FRA,16.FRB,21.0,31./:X:f:fcmpu:Floating Compare Unordered |
| 4619 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4620 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4621 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4622 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4623 | FPSCR_BEGIN; |
| 4624 | unsigned c; |
| 4625 | if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) |
| 4626 | c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ |
| 4627 | else if (is_less_than(frA, frB)) |
| 4628 | c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ |
| 4629 | else if (is_greater_than(frA, frB)) |
| 4630 | c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ |
| 4631 | else |
| 4632 | c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ |
| 4633 | FPSCR_SET_FPCC(c); |
| 4634 | CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ |
| 4635 | if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) |
| 4636 | FPSCR_OR_VX(fpscr_vxsnan); |
| 4637 | FPSCR_END(0); |
| 4638 | PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); |
| 4639 | |
| 4640 | 0.63,6.BF,9./,11.FRA,16.FRB,21.32,31./:X:f:fcmpo:Floating Compare Ordered |
| 4641 | *601: PPC_UNIT_FPU, PPC_UNIT_FPU, 4, 4, 0 |
| 4642 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4643 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4644 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4645 | FPSCR_BEGIN; |
| 4646 | unsigned c; |
| 4647 | if (is_NaN(*frA, 0) || is_NaN(*frB, 0)) |
| 4648 | c = cr_i_summary_overflow; /* 0b0001 - (FRA) ? (FRB) */ |
| 4649 | else if (is_less_than(frA, frB)) |
| 4650 | c = cr_i_negative; /* 0b1000 - (FRA) < (FRB) */ |
| 4651 | else if (is_greater_than(frA, frB)) |
| 4652 | c = cr_i_positive; /* 0b0100 - (FRA) > (FRB) */ |
| 4653 | else |
| 4654 | c = cr_i_zero; /* 0b0010 - (FRA) = (FRB) */ |
| 4655 | FPSCR_SET_FPCC(c); |
| 4656 | CR_SET(BF, c); /* CR[4*BF..4*BF+3] = c */ |
| 4657 | if (is_SNaN(*frA, 0) || is_SNaN(*frB, 0)) { |
| 4658 | FPSCR_OR_VX(fpscr_vxsnan); |
| 4659 | if ((FPSCR & fpscr_ve) == 0) |
| 4660 | FPSCR_OR_VX(fpscr_vxvc); |
| 4661 | } |
| 4662 | else if (is_QNaN(*frA, 0) || is_QNaN(*frB, 0)) { |
| 4663 | FPSCR_OR_VX(fpscr_vxvc); |
| 4664 | } |
| 4665 | FPSCR_END(0); |
| 4666 | PPC_INSN_FLOAT_CR(0, FRA_BITMASK | FRB_BITMASK, BF_BITMASK); |
| 4667 | |
| 4668 | |
| 4669 | # |
| 4670 | # I.4.6.8 Floating-Point Status and Control Register Instructions |
| 4671 | # |
| 4672 | |
| 4673 | 0.63,6.FRT,11./,16./,21.583,31.Rc:X:f::Move From FPSCR |
| 4674 | FPSCR_BEGIN; |
| 4675 | *frT = FPSCR; |
| 4676 | FPSCR_END(Rc); |
| 4677 | |
| 4678 | 0.63,6.BF,9./,11.BFA,14./,16./,21.64,31./:X:f::Move to Condition Register from FPSCR |
| 4679 | FPSCR_BEGIN; |
| 4680 | unsigned field = FPSCR_FIELD(BFA); |
| 4681 | CR_SET(BF, field); |
| 4682 | FPSCR_SET(BFA, 0); /* FPSCR_END fixes up FEX/VX */ |
| 4683 | FPSCR_END(0); |
| 4684 | |
| 4685 | 0.63,6.BF,9./,11./,16.U,20./,21.134,31.Rc:X:f::Move To FPSCR Field Immediate |
| 4686 | FPSCR_BEGIN; |
| 4687 | FPSCR_SET(BF, U); |
| 4688 | FPSCR_END(Rc); |
| 4689 | |
| 4690 | 0.63,6./,7.FLM,15./,16.FRB,21.711,31.Rc:XFL:f::Move To FPSCR Fields |
| 4691 | FPSCR_BEGIN; |
| 4692 | int i; |
| 4693 | for (i = 0; i < 8; i++) { |
| 4694 | if ((FLM & BIT8(i))) { |
| 4695 | FPSCR &= ~MASK32(i*4, i*4+3); |
| 4696 | FPSCR |= MASKED32(*frB, i*4, i*4+3); |
| 4697 | } |
| 4698 | } |
| 4699 | FPSCR_END(Rc); |
| 4700 | |
| 4701 | 0.63,6.BT,11./,16./,21.70,31.Rc:X:f::Move To FPSCR Bit 0 |
| 4702 | FPSCR_BEGIN; |
| 4703 | unsigned32 bit = BIT32(BT); |
| 4704 | FPSCR &= ~bit; |
| 4705 | FPSCR_END(Rc); |
| 4706 | |
| 4707 | 0.63,6.BT,11./,16./,21.38,31.Rc:X:f::Move To FPSCR Bit 1 |
| 4708 | FPSCR_BEGIN; |
| 4709 | unsigned32 bit = BIT32(BT); |
| 4710 | if (bit & fpscr_fi) |
| 4711 | bit |= fpscr_xx; |
| 4712 | if ((bit & fpscr_vx_bits)) |
| 4713 | bit |= fpscr_fx; |
| 4714 | /* note - omit vx bit */ |
| 4715 | if ((bit & (fpscr_ox | fpscr_ux | fpscr_zx | fpscr_xx))) |
| 4716 | bit |= fpscr_fx; |
| 4717 | FPSCR |= bit; |
| 4718 | FPSCR_END(Rc); |
| 4719 | |
| 4720 | # |
| 4721 | # I.A.1.2 Floating-Point Arithmetic Instructions |
| 4722 | # |
| 4723 | |
| 4724 | 0.63,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f,o::Floating Square Root |
| 4725 | program_interrupt(processor, cia, optional_instruction_program_interrupt); |
| 4726 | |
| 4727 | 0.59,6.FRT,11./,16.FRB,21./,26.22,31.Rc:A:f,o::Floating Square Root Single |
| 4728 | program_interrupt(processor, cia, optional_instruction_program_interrupt); |
| 4729 | |
| 4730 | 0.59,6.FRT,11./,16.FRB,21./,26.24,31.Rc:A:f,o::Floating Reciprocal Estimate Single |
| 4731 | program_interrupt(processor, cia, optional_instruction_program_interrupt); |
| 4732 | |
| 4733 | 0.63,6.FRT,11./,16.FRB,21./,26.26,31.Rc:A:f,o::Floating Reciprocal Square Root Estimate |
| 4734 | program_interrupt(processor, cia, optional_instruction_program_interrupt); |
| 4735 | |
| 4736 | # |
| 4737 | # I.A.1.3 Floating-Point Select Instruction |
| 4738 | # |
| 4739 | |
| 4740 | 0.63,6.FRT,11.FRA,16.FRB,21.FRC,26.23,31.Rc:A:f,o::Floating Select |
| 4741 | *601: PPC_UNIT_BAD, PPC_UNIT_BAD, 0, 0, 0 |
| 4742 | *603: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4743 | *603e:PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4744 | *604: PPC_UNIT_FPU, PPC_UNIT_FPU, 1, 3, 0 |
| 4745 | if (CURRENT_MODEL == MODEL_ppc601) { |
| 4746 | program_interrupt(processor, cia, optional_instruction_program_interrupt); |
| 4747 | } else { |
| 4748 | unsigned64 zero = 0; |
| 4749 | FPSCR_BEGIN; |
| 4750 | if (is_NaN(*frA, 0) || is_less_than (frA, &zero)) *frT = *frB; |
| 4751 | else *frT = *frC; |
| 4752 | FPSCR_END(Rc); |
| 4753 | PPC_INSN_FLOAT(FRT_BITMASK, FRA_BITMASK | FRB_BITMASK | FRC_BITMASK, Rc); |
| 4754 | } |
| 4755 | |
| 4756 | # |
| 4757 | # II.3.2 Cache Management Instructions |
| 4758 | # |
| 4759 | |
| 4760 | 0.31,6./,11.RA,16.RB,21.982,31./:X::icbi:Instruction Cache Block Invalidate |
| 4761 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4762 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 4763 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 4764 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 |
| 4765 | /* blindly flush all instruction cache entries */ |
| 4766 | #if WITH_IDECODE_CACHE_SIZE |
| 4767 | cpu_flush_icache(processor); |
| 4768 | #endif |
| 4769 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0); |
| 4770 | |
| 4771 | 0.19,6./,11./,16./,21.150,31./:XL::isync:Instruction Synchronize |
| 4772 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4773 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 4774 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 4775 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 |
| 4776 | cpu_synchronize_context(processor, cia); |
| 4777 | PPC_INSN_INT(0, 0, 0); |
| 4778 | |
| 4779 | |
| 4780 | # |
| 4781 | # II.3.2.2 Data Cache Instructions |
| 4782 | # |
| 4783 | |
| 4784 | 0.31,6./,11.RA,16.RB,21.278,31./:X:::Data Cache Block Touch |
| 4785 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4786 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 |
| 4787 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 |
| 4788 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 |
| 4789 | TRACE(trace_tbd,("Data Cache Block Touch\n")); |
| 4790 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 4791 | |
| 4792 | 0.31,6./,11.RA,16.RB,21.246,31./:X:::Data Cache Block Touch for Store |
| 4793 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4794 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 |
| 4795 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 |
| 4796 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 4797 | TRACE(trace_tbd,("Data Cache Block Touch for Store\n")); |
| 4798 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 4799 | |
| 4800 | 0.31,6./,11.RA,16.RB,21.1014,31./:X:::Data Cache Block set to Zero |
| 4801 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4802 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 |
| 4803 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 10, 10, 0 |
| 4804 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 4805 | TRACE(trace_tbd,("Data Cache Block set to Zero\n")); |
| 4806 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 4807 | |
| 4808 | 0.31,6./,11.RA,16.RB,21.54,31./:X:::Data Cache Block Store |
| 4809 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4810 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 |
| 4811 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 |
| 4812 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 |
| 4813 | TRACE(trace_tbd,("Data Cache Block Store\n")); |
| 4814 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 4815 | |
| 4816 | 0.31,6./,11.RA,16.RB,21.86,31./:X:::Data Cache Block Flush |
| 4817 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4818 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 |
| 4819 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 5, 5, 0 |
| 4820 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 1, 0 |
| 4821 | TRACE(trace_tbd,("Data Cache Block Flush\n")); |
| 4822 | PPC_INSN_INT(0, (RA_BITMASK & ~1) | RB_BITMASK, 0/*Rc*/); |
| 4823 | |
| 4824 | # |
| 4825 | # II.3.3 Enforce In-order Execution of I/O Instruction |
| 4826 | # |
| 4827 | |
| 4828 | 0.31,6./,11./,16./,21.854,31./:X::eieio:Enforce In-order Execution of I/O |
| 4829 | /* Since this model has no instruction overlap |
| 4830 | this instruction need do nothing */ |
| 4831 | |
| 4832 | # |
| 4833 | # II.4.1 Time Base Instructions |
| 4834 | # |
| 4835 | |
| 4836 | 0.31,6.RT,11.tbr,21.371,31./:XFX::mftb:Move From Time Base |
| 4837 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 4838 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 4839 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 |
| 4840 | int n = (tbr{5:9} << 5) | tbr{0:4}; |
| 4841 | if (n == 268) { |
| 4842 | if (is_64bit_implementation) *rT = TB; |
| 4843 | else *rT = EXTRACTED64(TB, 32, 63); |
| 4844 | } |
| 4845 | else if (n == 269) { |
| 4846 | if (is_64bit_implementation) *rT = EXTRACTED64(TB, 0, 31); |
| 4847 | else *rT = EXTRACTED64(TB, 0, 31); |
| 4848 | } |
| 4849 | else |
| 4850 | program_interrupt(processor, cia, |
| 4851 | illegal_instruction_program_interrupt); |
| 4852 | |
| 4853 | |
| 4854 | # |
| 4855 | # III.2.3.1 System Linkage Instructions |
| 4856 | # |
| 4857 | |
| 4858 | 0.19,6./,11./,16./,21.50,31./:XL::rfi:Return From Interrupt |
| 4859 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4860 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 4861 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 4862 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 |
| 4863 | if (IS_PROBLEM_STATE(processor)) { |
| 4864 | program_interrupt(processor, cia, |
| 4865 | privileged_instruction_program_interrupt); |
| 4866 | } |
| 4867 | else { |
| 4868 | MSR = (MASKED(SRR1, 0, 32) |
| 4869 | | MASKED(SRR1, 37, 41) |
| 4870 | | MASKED(SRR1, 48, 63)); |
| 4871 | NIA = MASKED(SRR0, 0, 61); |
| 4872 | cpu_synchronize_context(processor, cia); |
| 4873 | check_masked_interrupts(processor); |
| 4874 | } |
| 4875 | |
| 4876 | # |
| 4877 | # III.3.4.1 Move to/from System Register Instructions |
| 4878 | # |
| 4879 | |
| 4880 | #0.31,6.RS,11.SPR,21.467,31./:XFX:::Move To Special Purpose Register |
| 4881 | #0.31,6.RT,11.SPR,21.339,31./:XFX:::Move From Special Purpose Register |
| 4882 | 0.31,6.RS,11./,16./,21.146,31./:X:::Move To Machine State Register |
| 4883 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4884 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 4885 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 4886 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 |
| 4887 | if (IS_PROBLEM_STATE(processor)) |
| 4888 | program_interrupt(processor, cia, |
| 4889 | privileged_instruction_program_interrupt); |
| 4890 | else { |
| 4891 | MSR = *rS; |
| 4892 | check_masked_interrupts(processor); |
| 4893 | } |
| 4894 | |
| 4895 | 0.31,6.RT,11./,16./,21.83,31./:X:::Move From Machine State Register |
| 4896 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4897 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 4898 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 1, 1, 0 |
| 4899 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 3, 3, 0 |
| 4900 | if (IS_PROBLEM_STATE(processor)) |
| 4901 | program_interrupt(processor, cia, |
| 4902 | privileged_instruction_program_interrupt); |
| 4903 | else { |
| 4904 | *rT = MSR; |
| 4905 | check_masked_interrupts(processor); |
| 4906 | } |
| 4907 | |
| 4908 | |
| 4909 | # |
| 4910 | # III.4.11.1 Cache Management Instructions |
| 4911 | # |
| 4912 | |
| 4913 | 0.31,6./,11.RA,16.RB,21.470,31./:X::dcbi:Data Cache Block Invalidate |
| 4914 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4915 | *603: PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 |
| 4916 | *603e:PPC_UNIT_LSU, PPC_UNIT_LSU, 2, 2, 0 |
| 4917 | *604: PPC_UNIT_LSU, PPC_UNIT_LSU, 1, 3, 0 |
| 4918 | if (IS_PROBLEM_STATE(processor)) |
| 4919 | program_interrupt(processor, cia, |
| 4920 | privileged_instruction_program_interrupt); |
| 4921 | else |
| 4922 | TRACE(trace_tbd,("Data Cache Block Invalidate\n")); |
| 4923 | |
| 4924 | # |
| 4925 | # III.4.11.2 Segment Register Manipulation Instructions |
| 4926 | # |
| 4927 | |
| 4928 | 0.31,6.RS,11./,12.SR,16./,21.210,31./:X:32:mtsr %SR,%RS:Move To Segment Register |
| 4929 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4930 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 4931 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 4932 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 |
| 4933 | if (IS_PROBLEM_STATE(processor)) |
| 4934 | program_interrupt(processor, cia, |
| 4935 | privileged_instruction_program_interrupt); |
| 4936 | else |
| 4937 | SEGREG(SR) = *rS; |
| 4938 | |
| 4939 | 0.31,6.RS,11./,16.RB,21.242,31./:X:32:mtsrin %RS,%RB:Move To Segment Register Indirect |
| 4940 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 1, 1, 0 |
| 4941 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 4942 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 2, 2, 0 |
| 4943 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 |
| 4944 | if (IS_PROBLEM_STATE(processor)) |
| 4945 | program_interrupt(processor, cia, |
| 4946 | privileged_instruction_program_interrupt); |
| 4947 | else |
| 4948 | SEGREG(EXTRACTED32(*rB, 0, 3)) = *rS; |
| 4949 | |
| 4950 | 0.31,6.RT,11./,12.SR,16./,21.595,31./:X:32:mfsr %RT,%RS:Move From Segment Register |
| 4951 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 4952 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 4953 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 4954 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 |
| 4955 | if (IS_PROBLEM_STATE(processor)) |
| 4956 | program_interrupt(processor, cia, |
| 4957 | privileged_instruction_program_interrupt); |
| 4958 | else |
| 4959 | *rT = SEGREG(SR); |
| 4960 | |
| 4961 | 0.31,6.RT,11./,16.RB,21.659,31./:X:32:mfsrin %RT,%RB:Move From Segment Register Indirect |
| 4962 | *601: PPC_UNIT_IU, PPC_UNIT_IU, 2, 2, 0 |
| 4963 | *603: PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 4964 | *603e:PPC_UNIT_SRU, PPC_UNIT_SRU, 3, 3, 0 |
| 4965 | *604: PPC_UNIT_MCIU, PPC_UNIT_MCIU, 1, 1, 0 |
| 4966 | if (IS_PROBLEM_STATE(processor)) |
| 4967 | program_interrupt(processor, cia, |
| 4968 | privileged_instruction_program_interrupt); |
| 4969 | else |
| 4970 | *rT = SEGREG(EXTRACTED32(*rB, 0, 3)); |
| 4971 | |
| 4972 | |
| 4973 | # |
| 4974 | # III.4.11.3 Lookaside Buffer Management Instructions (Optional) |
| 4975 | # |
| 4976 | |
| 4977 | 0.31,6./,11./,16.RB,21.434,31./:X:64::SLB Invalidate Entry |
| 4978 | |
| 4979 | 0.31,6./,11./,16./,21.498,31./:X:64::SLB Invalidate All |
| 4980 | |
| 4981 | 0.31,6./,11./,16.RB,21.306,31./:X:::TLB Invalidate Entry |
| 4982 | if (IS_PROBLEM_STATE(processor)) |
| 4983 | program_interrupt(processor, cia, |
| 4984 | privileged_instruction_program_interrupt); |
| 4985 | else { |
| 4986 | int nr = 0; |
| 4987 | cpu *proc; |
| 4988 | while (1) { |
| 4989 | proc = psim_cpu(cpu_system(processor), nr); |
| 4990 | if (proc == NULL) break; |
| 4991 | cpu_page_tlb_invalidate_entry(proc, *rB); |
| 4992 | nr++; |
| 4993 | } |
| 4994 | } |
| 4995 | |
| 4996 | 0.31,6./,11./,16./,21.370,31./:X:::TLB Invalidate All |
| 4997 | if (IS_PROBLEM_STATE(processor)) |
| 4998 | program_interrupt(processor, cia, |
| 4999 | privileged_instruction_program_interrupt); |
| 5000 | else { |
| 5001 | int nr = 0; |
| 5002 | cpu *proc; |
| 5003 | while (1) { |
| 5004 | proc = psim_cpu(cpu_system(processor), nr); |
| 5005 | if (proc == NULL) break; |
| 5006 | cpu_page_tlb_invalidate_all(proc); |
| 5007 | nr++; |
| 5008 | } |
| 5009 | } |
| 5010 | |
| 5011 | 0.31,6./,11./,16./,21.566,31./:X:::TLB Synchronize |
| 5012 | /* nothing happens here - always in sync */ |
| 5013 | |
| 5014 | # |
| 5015 | # III.A.1.2 External Access Instructions |
| 5016 | # |
| 5017 | |
| 5018 | 0.31,6.RT,11.RA,16.RB,21.310,31./:X:earwax::External Control In Word Indexed |
| 5019 | |
| 5020 | 0.31,6.RS,11.RA,16.RB,21.438,31./:X:earwax::External Control Out Word Indexed |
| 5021 | |
| 5022 | :include:::altivec.igen |
| 5023 | :include:::e500.igen |