| 1 | /* |
| 2 | * ========== Copyright Header Begin ========================================== |
| 3 | * |
| 4 | * OpenSPARC T2 Processor File: sparcv9native_ua200x.c |
| 5 | * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 6 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 7 | * |
| 8 | * The above named program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public |
| 10 | * License version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * The above named program is distributed in the hope that it will be |
| 13 | * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public |
| 18 | * License along with this work; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 20 | * |
| 21 | * ========== Copyright Header End ============================================ |
| 22 | */ |
| 23 | /* |
| 24 | * Copyright 2006 Sun Microsystems, Inc. All rights reserved. |
| 25 | * Use is subject to license terms. |
| 26 | */ |
| 27 | |
| 28 | #pragma ident "@(#)sparcv9native_ua200x.c 1.1 06/12/07 SMI" |
| 29 | |
| 30 | #include <stdio.h> |
| 31 | #include <stdlib.h> |
| 32 | #include <unistd.h> |
| 33 | #include <string.h> /* memcpy/memset */ |
| 34 | #include <strings.h> |
| 35 | #include <thread.h> |
| 36 | #include "ss_common.h" |
| 37 | #include "rock.h" |
| 38 | #include "fpsim.h" |
| 39 | |
| 40 | static void fp_trap_gen (simcpu_t *sp, int trap_code); |
| 41 | |
| 42 | #define IMPL( _n ) void decoded_impl_rock_##_n (simcpu_t *sp, xicache_instn_t * xcip) { |
| 43 | #define ENDI NEXT_INSTN(sp); ENDDEF |
| 44 | #define ENDDEF } |
| 45 | |
| 46 | |
| 47 | /* negated and half add fp ops */ |
| 48 | IMPL( rk_fnadds ) |
| 49 | FP_EXEC_FPU_ON_CHECK; |
| 50 | int except, trap_code; |
| 51 | uint32_t result; |
| 52 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 53 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 54 | uint64_t gsrcopy = sp->v9_gsr; |
| 55 | |
| 56 | except = (*fpsimp->fnadds) ((float*) &F32src1, (float*) &F32src2, \ |
| 57 | (float*) &result, fsrcopy, gsrcopy); |
| 58 | DBGFP( lprintf(sp->gid, "fnadds; Fsrc1=0x%lx, Fsrc2=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, fsrcopy, gsrcopy, result); ); |
| 59 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 60 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 61 | |
| 62 | if ( trap_code != 0 ) { |
| 63 | fp_trap_gen(sp, trap_code); |
| 64 | return; |
| 65 | } |
| 66 | F32dest = result; |
| 67 | ENDI |
| 68 | |
| 69 | IMPL( rk_fnaddd ) |
| 70 | FP_EXEC_FPU_ON_CHECK; |
| 71 | int except, trap_code; |
| 72 | uint64_t result; |
| 73 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 74 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 75 | uint64_t gsrcopy = sp->v9_gsr; |
| 76 | |
| 77 | except = (*fpsimp->fnaddd) ((double*) &F64src1, (double*) &F64src2, \ |
| 78 | (double*) &result, fsrcopy, gsrcopy); |
| 79 | DBGFP( lprintf(sp->gid, "fnaddd; Fsrc1=0x%llx, Fsrc2=0x%llx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, fsrcopy, gsrcopy, result); ); |
| 80 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 81 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 82 | |
| 83 | if ( trap_code != 0 ) { |
| 84 | fp_trap_gen(sp, trap_code); |
| 85 | return; |
| 86 | } |
| 87 | F64dest = result; |
| 88 | ENDI |
| 89 | |
| 90 | IMPL( rk_fnmuls ) |
| 91 | FP_EXEC_FPU_ON_CHECK; |
| 92 | int except, trap_code; |
| 93 | uint32_t result; |
| 94 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 95 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 96 | uint64_t gsrcopy = sp->v9_gsr; |
| 97 | |
| 98 | except = (*fpsimp->fnmuls) ((float*) &F32src1, (float*) &F32src2, \ |
| 99 | (float*) &result, fsrcopy, gsrcopy); |
| 100 | DBGFP( lprintf(sp->gid, "fnmuls; Fsrc1=0x%lx, Fsrc2=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, fsrcopy, gsrcopy, result); ); |
| 101 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 102 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 103 | |
| 104 | if ( trap_code != 0 ) { |
| 105 | fp_trap_gen(sp, trap_code); |
| 106 | return; |
| 107 | } |
| 108 | F32dest = result; |
| 109 | ENDI |
| 110 | |
| 111 | IMPL( rk_fnmuld ) |
| 112 | FP_EXEC_FPU_ON_CHECK; |
| 113 | int except, trap_code; |
| 114 | uint64_t result; |
| 115 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 116 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 117 | uint64_t gsrcopy = sp->v9_gsr; |
| 118 | |
| 119 | except = (*fpsimp->fnmuld) ((double*) &F64src1, (double*) &F64src2, \ |
| 120 | (double*) &result, fsrcopy, gsrcopy); |
| 121 | DBGFP( lprintf(sp->gid, "fnmuld; Fsrc1=0x%llx, Fsrc2=0x%llx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, fsrcopy, gsrcopy, result); ); |
| 122 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 123 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 124 | |
| 125 | if ( trap_code != 0 ) { |
| 126 | fp_trap_gen(sp, trap_code); |
| 127 | return; |
| 128 | } |
| 129 | F64dest = result; |
| 130 | ENDI |
| 131 | |
| 132 | IMPL( rk_fhadds ) |
| 133 | FP_EXEC_FPU_ON_CHECK; |
| 134 | int except, trap_code; |
| 135 | uint32_t result; |
| 136 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 137 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 138 | uint64_t gsrcopy = sp->v9_gsr; |
| 139 | |
| 140 | except = (*fpsimp->fhadds) ((float*) &F32src1, (float*) &F32src2, \ |
| 141 | (float*) &result, fsrcopy, gsrcopy, FHA_ADD); |
| 142 | DBGFP( lprintf(sp->gid, "fhadds; Fsrc1=0x%lx, Fsrc2=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, fsrcopy, gsrcopy, result); ); |
| 143 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 144 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 145 | |
| 146 | if ( trap_code != 0 ) { |
| 147 | fp_trap_gen(sp, trap_code); |
| 148 | return; |
| 149 | } |
| 150 | F32dest = result; |
| 151 | ENDI |
| 152 | |
| 153 | IMPL( rk_fhaddd ) |
| 154 | FP_EXEC_FPU_ON_CHECK; |
| 155 | int except, trap_code; |
| 156 | uint64_t result; |
| 157 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 158 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 159 | uint64_t gsrcopy = sp->v9_gsr; |
| 160 | |
| 161 | except = (*fpsimp->fhaddd) ((double*) &F64src1, (double*) &F64src2, \ |
| 162 | (double*) &result, fsrcopy, gsrcopy, FHA_ADD); |
| 163 | DBGFP( lprintf(sp->gid, "fhaddd; Fsrc1=0x%llx, Fsrc2=0x%llx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, fsrcopy, gsrcopy, result); ); |
| 164 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 165 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 166 | |
| 167 | if ( trap_code != 0 ) { |
| 168 | fp_trap_gen(sp, trap_code); |
| 169 | return; |
| 170 | } |
| 171 | F64dest = result; |
| 172 | ENDI |
| 173 | |
| 174 | IMPL( rk_fhsubs ) |
| 175 | FP_EXEC_FPU_ON_CHECK; |
| 176 | int except, trap_code; |
| 177 | uint32_t result; |
| 178 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 179 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 180 | uint64_t gsrcopy = sp->v9_gsr; |
| 181 | |
| 182 | except = (*fpsimp->fhadds) ((float*) &F32src1, (float*) &F32src2, \ |
| 183 | (float*) &result, fsrcopy, gsrcopy, FHA_SUB); |
| 184 | DBGFP( lprintf(sp->gid, "fhsubs; Fsrc1=0x%lx, Fsrc2=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, fsrcopy, gsrcopy, result); ); |
| 185 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 186 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 187 | |
| 188 | if ( trap_code != 0 ) { |
| 189 | fp_trap_gen(sp, trap_code); |
| 190 | return; |
| 191 | } |
| 192 | F32dest = result; |
| 193 | ENDI |
| 194 | |
| 195 | IMPL( rk_fhsubd ) |
| 196 | FP_EXEC_FPU_ON_CHECK; |
| 197 | int except, trap_code; |
| 198 | uint64_t result; |
| 199 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 200 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 201 | uint64_t gsrcopy = sp->v9_gsr; |
| 202 | |
| 203 | except = (*fpsimp->fhaddd) ((double*) &F64src1, (double*) &F64src2, \ |
| 204 | (double*) &result, fsrcopy, gsrcopy, FHA_SUB); |
| 205 | DBGFP( lprintf(sp->gid, "fhsubd; Fsrc1=0x%llx, Fsrc2=0x%llx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, fsrcopy, gsrcopy, result); ); |
| 206 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 207 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 208 | |
| 209 | if ( trap_code != 0 ) { |
| 210 | fp_trap_gen(sp, trap_code); |
| 211 | return; |
| 212 | } |
| 213 | F64dest = result; |
| 214 | ENDI |
| 215 | |
| 216 | IMPL( rk_fnhadds ) |
| 217 | FP_EXEC_FPU_ON_CHECK; |
| 218 | int except, trap_code; |
| 219 | uint32_t result; |
| 220 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 221 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 222 | uint64_t gsrcopy = sp->v9_gsr; |
| 223 | |
| 224 | except = (*fpsimp->fhadds) ((float*) &F32src1, (float*) &F32src2, \ |
| 225 | (float*) &result, fsrcopy, gsrcopy, FHA_ADD_NEG); |
| 226 | DBGFP( lprintf(sp->gid, "fnhadds; Fsrc1=0x%lx, Fsrc2=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, fsrcopy, gsrcopy, result); ); |
| 227 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 228 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 229 | |
| 230 | if ( trap_code != 0 ) { |
| 231 | fp_trap_gen(sp, trap_code); |
| 232 | return; |
| 233 | } |
| 234 | F32dest = result; |
| 235 | ENDI |
| 236 | |
| 237 | IMPL( rk_fnhaddd ) |
| 238 | FP_EXEC_FPU_ON_CHECK; |
| 239 | int except, trap_code; |
| 240 | uint64_t result; |
| 241 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 242 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 243 | uint64_t gsrcopy = sp->v9_gsr; |
| 244 | |
| 245 | except = (*fpsimp->fhaddd) ((double*) &F64src1, (double*) &F64src2, \ |
| 246 | (double*) &result, fsrcopy, gsrcopy, FHA_ADD_NEG); |
| 247 | DBGFP( lprintf(sp->gid, "fnhaddd; Fsrc1=0x%llx, Fsrc2=0x%llx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, fsrcopy, gsrcopy, result); ); |
| 248 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 249 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 250 | |
| 251 | if ( trap_code != 0 ) { |
| 252 | fp_trap_gen(sp, trap_code); |
| 253 | return; |
| 254 | } |
| 255 | F64dest = result; |
| 256 | ENDI |
| 257 | |
| 258 | IMPL( rk_fnsmuld ) |
| 259 | FP_EXEC_FPU_ON_CHECK; |
| 260 | int except, trap_code; |
| 261 | uint64_t result; |
| 262 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 263 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 264 | uint64_t gsrcopy = sp->v9_gsr; |
| 265 | |
| 266 | except = (*fpsimp->fnsmuld) ((float*) &F32src1, (float*) &F32src2, \ |
| 267 | (double*) &result, fsrcopy, gsrcopy); |
| 268 | DBGFP( lprintf(sp->gid, "fnsmuld; Fsrc1=0x%llx, Fsrc2=0x%llx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F32src1, F32src2, fsrcopy, gsrcopy, result); ); |
| 269 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 270 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 271 | |
| 272 | if ( trap_code != 0 ) { |
| 273 | fp_trap_gen(sp, trap_code); |
| 274 | return; |
| 275 | } |
| 276 | F64dest = result; |
| 277 | ENDI |
| 278 | |
| 279 | /* fused multiply add fp ops */ |
| 280 | IMPL( rk_fmadds ) |
| 281 | FP_EXEC_FPU_ON_CHECK; |
| 282 | int except, trap_code; |
| 283 | uint32_t result; |
| 284 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 285 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 286 | uint64_t gsrcopy = sp->v9_gsr; |
| 287 | |
| 288 | except = (*fpsimp->fmadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 289 | (float*) &result, fsrcopy, gsrcopy, FMA_ADD_POS); |
| 290 | DBGFP( lprintf(sp->gid, "fmadds; Fsrc1=0x%lx, Fsrc2=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 291 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 292 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 293 | |
| 294 | if ( trap_code != 0 ) { |
| 295 | fp_trap_gen(sp, trap_code); |
| 296 | return; |
| 297 | } |
| 298 | F32dest = result; |
| 299 | ENDI |
| 300 | |
| 301 | IMPL( rk_fmaddd ) |
| 302 | FP_EXEC_FPU_ON_CHECK; |
| 303 | int except, trap_code; |
| 304 | uint64_t result; |
| 305 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 306 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 307 | uint64_t gsrcopy = sp->v9_gsr; |
| 308 | |
| 309 | except = (*fpsimp->fmaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 310 | (double*) &result, fsrcopy, gsrcopy, FMA_ADD_POS); |
| 311 | DBGFP( lprintf(sp->gid, "fmaddd; Fsrc1=0x%llx, Fsrc2=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 312 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 313 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 314 | |
| 315 | if ( trap_code != 0 ) { |
| 316 | fp_trap_gen(sp, trap_code); |
| 317 | return; |
| 318 | } |
| 319 | F64dest = result; |
| 320 | ENDI |
| 321 | |
| 322 | IMPL( rk_fmsubs ) |
| 323 | FP_EXEC_FPU_ON_CHECK; |
| 324 | int except, trap_code; |
| 325 | uint32_t result; |
| 326 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 327 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 328 | uint64_t gsrcopy = sp->v9_gsr; |
| 329 | |
| 330 | except = (*fpsimp->fmadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 331 | (float*) &result, fsrcopy, gsrcopy, FMA_SUB_POS); |
| 332 | DBGFP( lprintf(sp->gid, "fmsubs; Fsrc1=0x%lx, Fsrc2=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 333 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 334 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 335 | |
| 336 | if ( trap_code != 0 ) { |
| 337 | fp_trap_gen(sp, trap_code); |
| 338 | return; |
| 339 | } |
| 340 | F32dest = result; |
| 341 | ENDI |
| 342 | |
| 343 | IMPL( rk_fmsubd ) |
| 344 | FP_EXEC_FPU_ON_CHECK; |
| 345 | int except, trap_code; |
| 346 | uint64_t result; |
| 347 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 348 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 349 | uint64_t gsrcopy = sp->v9_gsr; |
| 350 | |
| 351 | except = (*fpsimp->fmaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 352 | (double*) &result, fsrcopy, gsrcopy, FMA_SUB_POS); |
| 353 | DBGFP( lprintf(sp->gid, "fmsubd; Fsrc1=0x%llx, Fsrc2=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 354 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 355 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 356 | |
| 357 | if ( trap_code != 0 ) { |
| 358 | fp_trap_gen(sp, trap_code); |
| 359 | return; |
| 360 | } |
| 361 | F64dest = result; |
| 362 | ENDI |
| 363 | |
| 364 | IMPL( rk_fnmsubs ) |
| 365 | FP_EXEC_FPU_ON_CHECK; |
| 366 | int except, trap_code; |
| 367 | uint32_t result; |
| 368 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 369 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 370 | uint64_t gsrcopy = sp->v9_gsr; |
| 371 | |
| 372 | except = (*fpsimp->fmadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 373 | (float*) &result, fsrcopy, gsrcopy, FMA_SUB_NEG); |
| 374 | DBGFP( lprintf(sp->gid, "fnmsubs; Fsrc1=0x%lx, Fsrc2=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 375 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 376 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 377 | |
| 378 | if ( trap_code != 0 ) { |
| 379 | fp_trap_gen(sp, trap_code); |
| 380 | return; |
| 381 | } |
| 382 | F32dest = result; |
| 383 | ENDI |
| 384 | |
| 385 | IMPL( rk_fnmsubd ) |
| 386 | FP_EXEC_FPU_ON_CHECK; |
| 387 | int except, trap_code; |
| 388 | uint64_t result; |
| 389 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 390 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 391 | uint64_t gsrcopy = sp->v9_gsr; |
| 392 | |
| 393 | except = (*fpsimp->fmaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 394 | (double*) &result, fsrcopy, gsrcopy, FMA_SUB_NEG); |
| 395 | DBGFP( lprintf(sp->gid, "fnmsubd; Fsrc1=0x%llx, Fsrc2=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 396 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 397 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 398 | |
| 399 | if ( trap_code != 0 ) { |
| 400 | fp_trap_gen(sp, trap_code); |
| 401 | return; |
| 402 | } |
| 403 | F64dest = result; |
| 404 | ENDI |
| 405 | |
| 406 | IMPL( rk_fnmadds ) |
| 407 | FP_EXEC_FPU_ON_CHECK; |
| 408 | int except, trap_code; |
| 409 | uint32_t result; |
| 410 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 411 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 412 | uint64_t gsrcopy = sp->v9_gsr; |
| 413 | |
| 414 | except = (*fpsimp->fmadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 415 | (float*) &result, fsrcopy, gsrcopy, FMA_ADD_NEG); |
| 416 | DBGFP( lprintf(sp->gid, "fnmadds; Fsrc1=0x%lx, Fsrc2=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 417 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 418 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 419 | |
| 420 | if ( trap_code != 0 ) { |
| 421 | fp_trap_gen(sp, trap_code); |
| 422 | return; |
| 423 | } |
| 424 | F32dest = result; |
| 425 | ENDI |
| 426 | |
| 427 | IMPL( rk_fnmaddd ) |
| 428 | FP_EXEC_FPU_ON_CHECK; |
| 429 | int except, trap_code; |
| 430 | uint64_t result; |
| 431 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 432 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 433 | uint64_t gsrcopy = sp->v9_gsr; |
| 434 | |
| 435 | except = (*fpsimp->fmaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 436 | (double*) &result, fsrcopy, gsrcopy, FMA_ADD_NEG); |
| 437 | DBGFP( lprintf(sp->gid, "fnmaddd; Fsrc1=0x%llx, Fsrc2=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 438 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 439 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 440 | |
| 441 | if ( trap_code != 0 ) { |
| 442 | fp_trap_gen(sp, trap_code); |
| 443 | return; |
| 444 | } |
| 445 | F64dest = result; |
| 446 | ENDI |
| 447 | |
| 448 | /* unfused multiply add fp ops */ |
| 449 | IMPL( rk_fumadds ) |
| 450 | FP_EXEC_FPU_ON_CHECK; |
| 451 | int except, trap_code; |
| 452 | uint32_t result; |
| 453 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 454 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 455 | uint64_t gsrcopy = sp->v9_gsr; |
| 456 | |
| 457 | except = (*fpsimp->fumadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 458 | (float*) &result, fsrcopy, gsrcopy, FMA_ADD_POS); |
| 459 | DBGFP( lprintf(sp->gid, "fumadds; Fsrc1=0x%lx, Fsrc2=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 460 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 461 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 462 | |
| 463 | if ( trap_code != 0 ) { |
| 464 | fp_trap_gen(sp, trap_code); |
| 465 | return; |
| 466 | } |
| 467 | F32dest = result; |
| 468 | ENDI |
| 469 | |
| 470 | IMPL( rk_fumaddd ) |
| 471 | FP_EXEC_FPU_ON_CHECK; |
| 472 | int except, trap_code; |
| 473 | uint64_t result; |
| 474 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 475 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 476 | uint64_t gsrcopy = sp->v9_gsr; |
| 477 | |
| 478 | except = (*fpsimp->fumaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 479 | (double*) &result, fsrcopy, gsrcopy, FMA_ADD_POS); |
| 480 | DBGFP( lprintf(sp->gid, "fumaddd; Fsrc1=0x%llx, Fsrc2=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 481 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 482 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 483 | |
| 484 | if ( trap_code != 0 ) { |
| 485 | fp_trap_gen(sp, trap_code); |
| 486 | return; |
| 487 | } |
| 488 | F64dest = result; |
| 489 | ENDI |
| 490 | |
| 491 | IMPL( rk_fumsubs ) |
| 492 | FP_EXEC_FPU_ON_CHECK; |
| 493 | int except, trap_code; |
| 494 | uint32_t result; |
| 495 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 496 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 497 | uint64_t gsrcopy = sp->v9_gsr; |
| 498 | |
| 499 | except = (*fpsimp->fumadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 500 | (float*) &result, fsrcopy, gsrcopy, FMA_SUB_POS); |
| 501 | DBGFP( lprintf(sp->gid, "fumsubs; Fsrc1=0x%lx, Fsrc2=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 502 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 503 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 504 | |
| 505 | if ( trap_code != 0 ) { |
| 506 | fp_trap_gen(sp, trap_code); |
| 507 | return; |
| 508 | } |
| 509 | F32dest = result; |
| 510 | ENDI |
| 511 | |
| 512 | IMPL( rk_fumsubd ) |
| 513 | FP_EXEC_FPU_ON_CHECK; |
| 514 | int except, trap_code; |
| 515 | uint64_t result; |
| 516 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 517 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 518 | uint64_t gsrcopy = sp->v9_gsr; |
| 519 | |
| 520 | except = (*fpsimp->fumaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 521 | (double*) &result, fsrcopy, gsrcopy, FMA_SUB_POS); |
| 522 | DBGFP( lprintf(sp->gid, "fumsubd; Fsrc1=0x%llx, Fsrc3=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 523 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 524 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 525 | |
| 526 | if ( trap_code != 0 ) { |
| 527 | fp_trap_gen(sp, trap_code); |
| 528 | return; |
| 529 | } |
| 530 | F64dest = result; |
| 531 | ENDI |
| 532 | |
| 533 | IMPL( rk_fnumsubs ) |
| 534 | FP_EXEC_FPU_ON_CHECK; |
| 535 | int except, trap_code; |
| 536 | uint32_t result; |
| 537 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 538 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 539 | uint64_t gsrcopy = sp->v9_gsr; |
| 540 | |
| 541 | except = (*fpsimp->fumadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 542 | (float*) &result, fsrcopy, gsrcopy, FMA_SUB_NEG); |
| 543 | DBGFP( lprintf(sp->gid, "fnumsubs; Fsrc1=0x%lx, Fsrc2=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 544 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 545 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 546 | |
| 547 | if ( trap_code != 0 ) { |
| 548 | fp_trap_gen(sp, trap_code); |
| 549 | return; |
| 550 | } |
| 551 | F32dest = result; |
| 552 | ENDI |
| 553 | |
| 554 | IMPL( rk_fnumsubd ) |
| 555 | FP_EXEC_FPU_ON_CHECK; |
| 556 | int except, trap_code; |
| 557 | uint64_t result; |
| 558 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 559 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 560 | uint64_t gsrcopy = sp->v9_gsr; |
| 561 | |
| 562 | except = (*fpsimp->fumaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 563 | (double*) &result, fsrcopy, gsrcopy, FMA_SUB_NEG); |
| 564 | DBGFP( lprintf(sp->gid, "fnumsubd; Fsrc1=0x%llx, Fsrc2=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 565 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 566 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 567 | |
| 568 | if ( trap_code != 0 ) { |
| 569 | fp_trap_gen(sp, trap_code); |
| 570 | return; |
| 571 | } |
| 572 | F64dest = result; |
| 573 | ENDI |
| 574 | |
| 575 | IMPL( rk_fnumadds ) |
| 576 | FP_EXEC_FPU_ON_CHECK; |
| 577 | int except, trap_code; |
| 578 | uint32_t result; |
| 579 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 580 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 581 | uint64_t gsrcopy = sp->v9_gsr; |
| 582 | |
| 583 | except = (*fpsimp->fumadds) ((float*) &F32src1, (float*) &F32src2, (float*) &F32src3, \ |
| 584 | (float*) &result, fsrcopy, gsrcopy, FMA_ADD_NEG); |
| 585 | DBGFP( lprintf(sp->gid, "fnumadds; Fsrc1=0x%lx, Fsrc3=0x%lx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%lx\n", F32src1, F32src2, F32src3, fsrcopy, gsrcopy, result); ); |
| 586 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 587 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 588 | |
| 589 | if ( trap_code != 0 ) { |
| 590 | fp_trap_gen(sp, trap_code); |
| 591 | return; |
| 592 | } |
| 593 | F32dest = result; |
| 594 | ENDI |
| 595 | |
| 596 | IMPL( rk_fnumaddd ) |
| 597 | FP_EXEC_FPU_ON_CHECK; |
| 598 | int except, trap_code; |
| 599 | uint64_t result; |
| 600 | struct fpsim_functions *fpsimp = sp->config_procp->proc_typep->fpsimp; |
| 601 | uint64_t fsrcopy = v9_get_fsr(sp); |
| 602 | uint64_t gsrcopy = sp->v9_gsr; |
| 603 | |
| 604 | except = (*fpsimp->fumaddd) ((double*) &F64src1, (double*) &F64src2, (double*) &F64src3, \ |
| 605 | (double*) &result, fsrcopy, gsrcopy, FMA_ADD_NEG); |
| 606 | DBGFP( lprintf(sp->gid, "fnumaddd; Fsrc1=0x%llx, Fsrc2=0x%llx, Fsrc3=0x%lx, FSR=0x%llx, GSR=0x%llx, result=0x%llx\n", F64src1, F64src2, F64src3, fsrcopy, gsrcopy, result); ); |
| 607 | trap_code = (*fpsimp->update_fsr) (except, (void*)&fsrcopy); |
| 608 | v9_set_fsr_fp_op(sp, fsrcopy); |
| 609 | |
| 610 | if ( trap_code != 0 ) { |
| 611 | fp_trap_gen(sp, trap_code); |
| 612 | return; |
| 613 | } |
| 614 | F64dest = result; |
| 615 | ENDI |
| 616 | |
| 617 | static void fp_trap_gen (simcpu_t *sp, int trap_code) { |
| 618 | sparcv9_cpu_t * v9p = (sparcv9_cpu_t*)(sp->specificp); |
| 619 | switch (trap_code) { |
| 620 | case 0x21: |
| 621 | v9p->post_precise_trap(sp, Sparcv9_trap_fp_exception_ieee_754); |
| 622 | return; |
| 623 | case 0x22: |
| 624 | v9p->post_precise_trap(sp, Sparcv9_trap_fp_exception_other); |
| 625 | return; |
| 626 | case 0x10: |
| 627 | v9p->post_precise_trap(sp, Sparcv9_trap_illegal_instruction); |
| 628 | return; |
| 629 | default: |
| 630 | fatal ("unknown fp lib trap_code"); |
| 631 | return; |
| 632 | } |
| 633 | } |