1 /* 2 * RX translation 3 * 4 * Copyright (c) 2019 Yoshinori Sato 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2 or later, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along with 16 * this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #include "qemu/osdep.h" 20 #include "qemu/bswap.h" 21 #include "qemu/qemu-print.h" 22 #include "cpu.h" 23 #include "exec/exec-all.h" 24 #include "tcg/tcg-op.h" 25 #include "exec/cpu_ldst.h" 26 #include "exec/helper-proto.h" 27 #include "exec/helper-gen.h" 28 #include "exec/translator.h" 29 #include "exec/log.h" 30 31 typedef struct DisasContext { 32 DisasContextBase base; 33 CPURXState *env; 34 uint32_t pc; 35 uint32_t tb_flags; 36 } DisasContext; 37 38 typedef struct DisasCompare { 39 TCGv value; 40 TCGv temp; 41 TCGCond cond; 42 } DisasCompare; 43 44 const char *rx_crname(uint8_t cr) 45 { 46 static const char *cr_names[] = { 47 "psw", "pc", "usp", "fpsw", "", "", "", "", 48 "bpsw", "bpc", "isp", "fintv", "intb", "", "", "" 49 }; 50 if (cr >= ARRAY_SIZE(cr_names)) { 51 return "illegal"; 52 } 53 return cr_names[cr]; 54 } 55 56 /* Target-specific values for dc->base.is_jmp. */ 57 #define DISAS_JUMP DISAS_TARGET_0 58 #define DISAS_UPDATE DISAS_TARGET_1 59 #define DISAS_EXIT DISAS_TARGET_2 60 61 /* global register indexes */ 62 static TCGv cpu_regs[16]; 63 static TCGv cpu_psw_o, cpu_psw_s, cpu_psw_z, cpu_psw_c; 64 static TCGv cpu_psw_i, cpu_psw_pm, cpu_psw_u, cpu_psw_ipl; 65 static TCGv cpu_usp, cpu_fpsw, cpu_bpsw, cpu_bpc, cpu_isp; 66 static TCGv cpu_fintv, cpu_intb, cpu_pc; 67 static TCGv_i64 cpu_acc; 68 69 #define cpu_sp cpu_regs[0] 70 71 #include "exec/gen-icount.h" 72 73 /* decoder helper */ 74 static uint32_t decode_load_bytes(DisasContext *ctx, uint32_t insn, 75 int i, int n) 76 { 77 while (++i <= n) { 78 uint8_t b = cpu_ldub_code(ctx->env, ctx->base.pc_next++); 79 insn |= b << (32 - i * 8); 80 } 81 return insn; 82 } 83 84 static uint32_t li(DisasContext *ctx, int sz) 85 { 86 int32_t tmp, addr; 87 CPURXState *env = ctx->env; 88 addr = ctx->base.pc_next; 89 90 tcg_debug_assert(sz < 4); 91 switch (sz) { 92 case 1: 93 ctx->base.pc_next += 1; 94 return cpu_ldsb_code(env, addr); 95 case 2: 96 ctx->base.pc_next += 2; 97 return cpu_ldsw_code(env, addr); 98 case 3: 99 ctx->base.pc_next += 3; 100 tmp = cpu_ldsb_code(env, addr + 2) << 16; 101 tmp |= cpu_lduw_code(env, addr) & 0xffff; 102 return tmp; 103 case 0: 104 ctx->base.pc_next += 4; 105 return cpu_ldl_code(env, addr); 106 } 107 return 0; 108 } 109 110 static int bdsp_s(DisasContext *ctx, int d) 111 { 112 /* 113 * 0 -> 8 114 * 1 -> 9 115 * 2 -> 10 116 * 3 -> 3 117 * : 118 * 7 -> 7 119 */ 120 if (d < 3) { 121 d += 8; 122 } 123 return d; 124 } 125 126 /* Include the auto-generated decoder. */ 127 #include "decode-insns.c.inc" 128 129 void rx_cpu_dump_state(CPUState *cs, FILE *f, int flags) 130 { 131 RXCPU *cpu = RX_CPU(cs); 132 CPURXState *env = &cpu->env; 133 int i; 134 uint32_t psw; 135 136 psw = rx_cpu_pack_psw(env); 137 qemu_fprintf(f, "pc=0x%08x psw=0x%08x\n", 138 env->pc, psw); 139 for (i = 0; i < 16; i += 4) { 140 qemu_fprintf(f, "r%d=0x%08x r%d=0x%08x r%d=0x%08x r%d=0x%08x\n", 141 i, env->regs[i], i + 1, env->regs[i + 1], 142 i + 2, env->regs[i + 2], i + 3, env->regs[i + 3]); 143 } 144 } 145 146 static void gen_goto_tb(DisasContext *dc, int n, target_ulong dest) 147 { 148 if (translator_use_goto_tb(&dc->base, dest)) { 149 tcg_gen_goto_tb(n); 150 tcg_gen_movi_i32(cpu_pc, dest); 151 tcg_gen_exit_tb(dc->base.tb, n); 152 } else { 153 tcg_gen_movi_i32(cpu_pc, dest); 154 tcg_gen_lookup_and_goto_ptr(); 155 } 156 dc->base.is_jmp = DISAS_NORETURN; 157 } 158 159 /* generic load wrapper */ 160 static inline void rx_gen_ld(unsigned int size, TCGv reg, TCGv mem) 161 { 162 tcg_gen_qemu_ld_i32(reg, mem, 0, size | MO_SIGN | MO_TE); 163 } 164 165 /* unsigned load wrapper */ 166 static inline void rx_gen_ldu(unsigned int size, TCGv reg, TCGv mem) 167 { 168 tcg_gen_qemu_ld_i32(reg, mem, 0, size | MO_TE); 169 } 170 171 /* generic store wrapper */ 172 static inline void rx_gen_st(unsigned int size, TCGv reg, TCGv mem) 173 { 174 tcg_gen_qemu_st_i32(reg, mem, 0, size | MO_TE); 175 } 176 177 /* [ri, rb] */ 178 static inline void rx_gen_regindex(DisasContext *ctx, TCGv mem, 179 int size, int ri, int rb) 180 { 181 tcg_gen_shli_i32(mem, cpu_regs[ri], size); 182 tcg_gen_add_i32(mem, mem, cpu_regs[rb]); 183 } 184 185 /* dsp[reg] */ 186 static inline TCGv rx_index_addr(DisasContext *ctx, TCGv mem, 187 int ld, int size, int reg) 188 { 189 uint32_t dsp; 190 191 tcg_debug_assert(ld < 3); 192 switch (ld) { 193 case 0: 194 return cpu_regs[reg]; 195 case 1: 196 dsp = cpu_ldub_code(ctx->env, ctx->base.pc_next) << size; 197 tcg_gen_addi_i32(mem, cpu_regs[reg], dsp); 198 ctx->base.pc_next += 1; 199 return mem; 200 case 2: 201 dsp = cpu_lduw_code(ctx->env, ctx->base.pc_next) << size; 202 tcg_gen_addi_i32(mem, cpu_regs[reg], dsp); 203 ctx->base.pc_next += 2; 204 return mem; 205 } 206 return NULL; 207 } 208 209 static inline MemOp mi_to_mop(unsigned mi) 210 { 211 static const MemOp mop[5] = { MO_SB, MO_SW, MO_UL, MO_UW, MO_UB }; 212 tcg_debug_assert(mi < 5); 213 return mop[mi]; 214 } 215 216 /* load source operand */ 217 static inline TCGv rx_load_source(DisasContext *ctx, TCGv mem, 218 int ld, int mi, int rs) 219 { 220 TCGv addr; 221 MemOp mop; 222 if (ld < 3) { 223 mop = mi_to_mop(mi); 224 addr = rx_index_addr(ctx, mem, ld, mop & MO_SIZE, rs); 225 tcg_gen_qemu_ld_i32(mem, addr, 0, mop | MO_TE); 226 return mem; 227 } else { 228 return cpu_regs[rs]; 229 } 230 } 231 232 /* Processor mode check */ 233 static int is_privileged(DisasContext *ctx, int is_exception) 234 { 235 if (FIELD_EX32(ctx->tb_flags, PSW, PM)) { 236 if (is_exception) { 237 gen_helper_raise_privilege_violation(cpu_env); 238 } 239 return 0; 240 } else { 241 return 1; 242 } 243 } 244 245 /* generate QEMU condition */ 246 static void psw_cond(DisasCompare *dc, uint32_t cond) 247 { 248 tcg_debug_assert(cond < 16); 249 switch (cond) { 250 case 0: /* z */ 251 dc->cond = TCG_COND_EQ; 252 dc->value = cpu_psw_z; 253 break; 254 case 1: /* nz */ 255 dc->cond = TCG_COND_NE; 256 dc->value = cpu_psw_z; 257 break; 258 case 2: /* c */ 259 dc->cond = TCG_COND_NE; 260 dc->value = cpu_psw_c; 261 break; 262 case 3: /* nc */ 263 dc->cond = TCG_COND_EQ; 264 dc->value = cpu_psw_c; 265 break; 266 case 4: /* gtu (C& ~Z) == 1 */ 267 case 5: /* leu (C& ~Z) == 0 */ 268 tcg_gen_setcondi_i32(TCG_COND_NE, dc->temp, cpu_psw_z, 0); 269 tcg_gen_and_i32(dc->temp, dc->temp, cpu_psw_c); 270 dc->cond = (cond == 4) ? TCG_COND_NE : TCG_COND_EQ; 271 dc->value = dc->temp; 272 break; 273 case 6: /* pz (S == 0) */ 274 dc->cond = TCG_COND_GE; 275 dc->value = cpu_psw_s; 276 break; 277 case 7: /* n (S == 1) */ 278 dc->cond = TCG_COND_LT; 279 dc->value = cpu_psw_s; 280 break; 281 case 8: /* ge (S^O)==0 */ 282 case 9: /* lt (S^O)==1 */ 283 tcg_gen_xor_i32(dc->temp, cpu_psw_o, cpu_psw_s); 284 dc->cond = (cond == 8) ? TCG_COND_GE : TCG_COND_LT; 285 dc->value = dc->temp; 286 break; 287 case 10: /* gt ((S^O)|Z)==0 */ 288 case 11: /* le ((S^O)|Z)==1 */ 289 tcg_gen_xor_i32(dc->temp, cpu_psw_o, cpu_psw_s); 290 tcg_gen_sari_i32(dc->temp, dc->temp, 31); 291 tcg_gen_andc_i32(dc->temp, cpu_psw_z, dc->temp); 292 dc->cond = (cond == 10) ? TCG_COND_NE : TCG_COND_EQ; 293 dc->value = dc->temp; 294 break; 295 case 12: /* o */ 296 dc->cond = TCG_COND_LT; 297 dc->value = cpu_psw_o; 298 break; 299 case 13: /* no */ 300 dc->cond = TCG_COND_GE; 301 dc->value = cpu_psw_o; 302 break; 303 case 14: /* always true */ 304 dc->cond = TCG_COND_ALWAYS; 305 dc->value = dc->temp; 306 break; 307 case 15: /* always false */ 308 dc->cond = TCG_COND_NEVER; 309 dc->value = dc->temp; 310 break; 311 } 312 } 313 314 static void move_from_cr(DisasContext *ctx, TCGv ret, int cr, uint32_t pc) 315 { 316 switch (cr) { 317 case 0: /* PSW */ 318 gen_helper_pack_psw(ret, cpu_env); 319 break; 320 case 1: /* PC */ 321 tcg_gen_movi_i32(ret, pc); 322 break; 323 case 2: /* USP */ 324 if (FIELD_EX32(ctx->tb_flags, PSW, U)) { 325 tcg_gen_mov_i32(ret, cpu_sp); 326 } else { 327 tcg_gen_mov_i32(ret, cpu_usp); 328 } 329 break; 330 case 3: /* FPSW */ 331 tcg_gen_mov_i32(ret, cpu_fpsw); 332 break; 333 case 8: /* BPSW */ 334 tcg_gen_mov_i32(ret, cpu_bpsw); 335 break; 336 case 9: /* BPC */ 337 tcg_gen_mov_i32(ret, cpu_bpc); 338 break; 339 case 10: /* ISP */ 340 if (FIELD_EX32(ctx->tb_flags, PSW, U)) { 341 tcg_gen_mov_i32(ret, cpu_isp); 342 } else { 343 tcg_gen_mov_i32(ret, cpu_sp); 344 } 345 break; 346 case 11: /* FINTV */ 347 tcg_gen_mov_i32(ret, cpu_fintv); 348 break; 349 case 12: /* INTB */ 350 tcg_gen_mov_i32(ret, cpu_intb); 351 break; 352 default: 353 qemu_log_mask(LOG_GUEST_ERROR, "Unimplement control register %d", cr); 354 /* Unimplement registers return 0 */ 355 tcg_gen_movi_i32(ret, 0); 356 break; 357 } 358 } 359 360 static void move_to_cr(DisasContext *ctx, TCGv val, int cr) 361 { 362 if (cr >= 8 && !is_privileged(ctx, 0)) { 363 /* Some control registers can only be written in privileged mode. */ 364 qemu_log_mask(LOG_GUEST_ERROR, 365 "disallow control register write %s", rx_crname(cr)); 366 return; 367 } 368 switch (cr) { 369 case 0: /* PSW */ 370 gen_helper_set_psw(cpu_env, val); 371 if (is_privileged(ctx, 0)) { 372 /* PSW.{I,U} may be updated here. exit TB. */ 373 ctx->base.is_jmp = DISAS_UPDATE; 374 } 375 break; 376 /* case 1: to PC not supported */ 377 case 2: /* USP */ 378 if (FIELD_EX32(ctx->tb_flags, PSW, U)) { 379 tcg_gen_mov_i32(cpu_sp, val); 380 } else { 381 tcg_gen_mov_i32(cpu_usp, val); 382 } 383 break; 384 case 3: /* FPSW */ 385 gen_helper_set_fpsw(cpu_env, val); 386 break; 387 case 8: /* BPSW */ 388 tcg_gen_mov_i32(cpu_bpsw, val); 389 break; 390 case 9: /* BPC */ 391 tcg_gen_mov_i32(cpu_bpc, val); 392 break; 393 case 10: /* ISP */ 394 if (FIELD_EX32(ctx->tb_flags, PSW, U)) { 395 tcg_gen_mov_i32(cpu_isp, val); 396 } else { 397 tcg_gen_mov_i32(cpu_sp, val); 398 } 399 break; 400 case 11: /* FINTV */ 401 tcg_gen_mov_i32(cpu_fintv, val); 402 break; 403 case 12: /* INTB */ 404 tcg_gen_mov_i32(cpu_intb, val); 405 break; 406 default: 407 qemu_log_mask(LOG_GUEST_ERROR, 408 "Unimplement control register %d", cr); 409 break; 410 } 411 } 412 413 static void push(TCGv val) 414 { 415 tcg_gen_subi_i32(cpu_sp, cpu_sp, 4); 416 rx_gen_st(MO_32, val, cpu_sp); 417 } 418 419 static void pop(TCGv ret) 420 { 421 rx_gen_ld(MO_32, ret, cpu_sp); 422 tcg_gen_addi_i32(cpu_sp, cpu_sp, 4); 423 } 424 425 /* mov.<bwl> rs,dsp5[rd] */ 426 static bool trans_MOV_rm(DisasContext *ctx, arg_MOV_rm *a) 427 { 428 TCGv mem; 429 mem = tcg_temp_new(); 430 tcg_gen_addi_i32(mem, cpu_regs[a->rd], a->dsp << a->sz); 431 rx_gen_st(a->sz, cpu_regs[a->rs], mem); 432 tcg_temp_free(mem); 433 return true; 434 } 435 436 /* mov.<bwl> dsp5[rs],rd */ 437 static bool trans_MOV_mr(DisasContext *ctx, arg_MOV_mr *a) 438 { 439 TCGv mem; 440 mem = tcg_temp_new(); 441 tcg_gen_addi_i32(mem, cpu_regs[a->rs], a->dsp << a->sz); 442 rx_gen_ld(a->sz, cpu_regs[a->rd], mem); 443 tcg_temp_free(mem); 444 return true; 445 } 446 447 /* mov.l #uimm4,rd */ 448 /* mov.l #uimm8,rd */ 449 /* mov.l #imm,rd */ 450 static bool trans_MOV_ir(DisasContext *ctx, arg_MOV_ir *a) 451 { 452 tcg_gen_movi_i32(cpu_regs[a->rd], a->imm); 453 return true; 454 } 455 456 /* mov.<bwl> #uimm8,dsp[rd] */ 457 /* mov.<bwl> #imm, dsp[rd] */ 458 static bool trans_MOV_im(DisasContext *ctx, arg_MOV_im *a) 459 { 460 TCGv imm, mem; 461 imm = tcg_const_i32(a->imm); 462 mem = tcg_temp_new(); 463 tcg_gen_addi_i32(mem, cpu_regs[a->rd], a->dsp << a->sz); 464 rx_gen_st(a->sz, imm, mem); 465 tcg_temp_free(imm); 466 tcg_temp_free(mem); 467 return true; 468 } 469 470 /* mov.<bwl> [ri,rb],rd */ 471 static bool trans_MOV_ar(DisasContext *ctx, arg_MOV_ar *a) 472 { 473 TCGv mem; 474 mem = tcg_temp_new(); 475 rx_gen_regindex(ctx, mem, a->sz, a->ri, a->rb); 476 rx_gen_ld(a->sz, cpu_regs[a->rd], mem); 477 tcg_temp_free(mem); 478 return true; 479 } 480 481 /* mov.<bwl> rd,[ri,rb] */ 482 static bool trans_MOV_ra(DisasContext *ctx, arg_MOV_ra *a) 483 { 484 TCGv mem; 485 mem = tcg_temp_new(); 486 rx_gen_regindex(ctx, mem, a->sz, a->ri, a->rb); 487 rx_gen_st(a->sz, cpu_regs[a->rs], mem); 488 tcg_temp_free(mem); 489 return true; 490 } 491 492 /* mov.<bwl> dsp[rs],dsp[rd] */ 493 /* mov.<bwl> rs,dsp[rd] */ 494 /* mov.<bwl> dsp[rs],rd */ 495 /* mov.<bwl> rs,rd */ 496 static bool trans_MOV_mm(DisasContext *ctx, arg_MOV_mm *a) 497 { 498 static void (* const mov[])(TCGv ret, TCGv arg) = { 499 tcg_gen_ext8s_i32, tcg_gen_ext16s_i32, tcg_gen_mov_i32, 500 }; 501 TCGv tmp, mem, addr; 502 if (a->lds == 3 && a->ldd == 3) { 503 /* mov.<bwl> rs,rd */ 504 mov[a->sz](cpu_regs[a->rd], cpu_regs[a->rs]); 505 return true; 506 } 507 508 mem = tcg_temp_new(); 509 if (a->lds == 3) { 510 /* mov.<bwl> rs,dsp[rd] */ 511 addr = rx_index_addr(ctx, mem, a->ldd, a->sz, a->rs); 512 rx_gen_st(a->sz, cpu_regs[a->rd], addr); 513 } else if (a->ldd == 3) { 514 /* mov.<bwl> dsp[rs],rd */ 515 addr = rx_index_addr(ctx, mem, a->lds, a->sz, a->rs); 516 rx_gen_ld(a->sz, cpu_regs[a->rd], addr); 517 } else { 518 /* mov.<bwl> dsp[rs],dsp[rd] */ 519 tmp = tcg_temp_new(); 520 addr = rx_index_addr(ctx, mem, a->lds, a->sz, a->rs); 521 rx_gen_ld(a->sz, tmp, addr); 522 addr = rx_index_addr(ctx, mem, a->ldd, a->sz, a->rd); 523 rx_gen_st(a->sz, tmp, addr); 524 tcg_temp_free(tmp); 525 } 526 tcg_temp_free(mem); 527 return true; 528 } 529 530 /* mov.<bwl> rs,[rd+] */ 531 /* mov.<bwl> rs,[-rd] */ 532 static bool trans_MOV_rp(DisasContext *ctx, arg_MOV_rp *a) 533 { 534 TCGv val; 535 val = tcg_temp_new(); 536 tcg_gen_mov_i32(val, cpu_regs[a->rs]); 537 if (a->ad == 1) { 538 tcg_gen_subi_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1 << a->sz); 539 } 540 rx_gen_st(a->sz, val, cpu_regs[a->rd]); 541 if (a->ad == 0) { 542 tcg_gen_addi_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1 << a->sz); 543 } 544 tcg_temp_free(val); 545 return true; 546 } 547 548 /* mov.<bwl> [rd+],rs */ 549 /* mov.<bwl> [-rd],rs */ 550 static bool trans_MOV_pr(DisasContext *ctx, arg_MOV_pr *a) 551 { 552 TCGv val; 553 val = tcg_temp_new(); 554 if (a->ad == 1) { 555 tcg_gen_subi_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1 << a->sz); 556 } 557 rx_gen_ld(a->sz, val, cpu_regs[a->rd]); 558 if (a->ad == 0) { 559 tcg_gen_addi_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1 << a->sz); 560 } 561 tcg_gen_mov_i32(cpu_regs[a->rs], val); 562 tcg_temp_free(val); 563 return true; 564 } 565 566 /* movu.<bw> dsp5[rs],rd */ 567 /* movu.<bw> dsp[rs],rd */ 568 static bool trans_MOVU_mr(DisasContext *ctx, arg_MOVU_mr *a) 569 { 570 TCGv mem; 571 mem = tcg_temp_new(); 572 tcg_gen_addi_i32(mem, cpu_regs[a->rs], a->dsp << a->sz); 573 rx_gen_ldu(a->sz, cpu_regs[a->rd], mem); 574 tcg_temp_free(mem); 575 return true; 576 } 577 578 /* movu.<bw> rs,rd */ 579 static bool trans_MOVU_rr(DisasContext *ctx, arg_MOVU_rr *a) 580 { 581 static void (* const ext[])(TCGv ret, TCGv arg) = { 582 tcg_gen_ext8u_i32, tcg_gen_ext16u_i32, 583 }; 584 ext[a->sz](cpu_regs[a->rd], cpu_regs[a->rs]); 585 return true; 586 } 587 588 /* movu.<bw> [ri,rb],rd */ 589 static bool trans_MOVU_ar(DisasContext *ctx, arg_MOVU_ar *a) 590 { 591 TCGv mem; 592 mem = tcg_temp_new(); 593 rx_gen_regindex(ctx, mem, a->sz, a->ri, a->rb); 594 rx_gen_ldu(a->sz, cpu_regs[a->rd], mem); 595 tcg_temp_free(mem); 596 return true; 597 } 598 599 /* movu.<bw> [rd+],rs */ 600 /* mov.<bw> [-rd],rs */ 601 static bool trans_MOVU_pr(DisasContext *ctx, arg_MOVU_pr *a) 602 { 603 TCGv val; 604 val = tcg_temp_new(); 605 if (a->ad == 1) { 606 tcg_gen_subi_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1 << a->sz); 607 } 608 rx_gen_ldu(a->sz, val, cpu_regs[a->rd]); 609 if (a->ad == 0) { 610 tcg_gen_addi_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1 << a->sz); 611 } 612 tcg_gen_mov_i32(cpu_regs[a->rs], val); 613 tcg_temp_free(val); 614 return true; 615 } 616 617 618 /* pop rd */ 619 static bool trans_POP(DisasContext *ctx, arg_POP *a) 620 { 621 /* mov.l [r0+], rd */ 622 arg_MOV_rp mov_a; 623 mov_a.rd = 0; 624 mov_a.rs = a->rd; 625 mov_a.ad = 0; 626 mov_a.sz = MO_32; 627 trans_MOV_pr(ctx, &mov_a); 628 return true; 629 } 630 631 /* popc cr */ 632 static bool trans_POPC(DisasContext *ctx, arg_POPC *a) 633 { 634 TCGv val; 635 val = tcg_temp_new(); 636 pop(val); 637 move_to_cr(ctx, val, a->cr); 638 tcg_temp_free(val); 639 return true; 640 } 641 642 /* popm rd-rd2 */ 643 static bool trans_POPM(DisasContext *ctx, arg_POPM *a) 644 { 645 int r; 646 if (a->rd == 0 || a->rd >= a->rd2) { 647 qemu_log_mask(LOG_GUEST_ERROR, 648 "Invalid register ranges r%d-r%d", a->rd, a->rd2); 649 } 650 r = a->rd; 651 while (r <= a->rd2 && r < 16) { 652 pop(cpu_regs[r++]); 653 } 654 return true; 655 } 656 657 658 /* push.<bwl> rs */ 659 static bool trans_PUSH_r(DisasContext *ctx, arg_PUSH_r *a) 660 { 661 TCGv val; 662 val = tcg_temp_new(); 663 tcg_gen_mov_i32(val, cpu_regs[a->rs]); 664 tcg_gen_subi_i32(cpu_sp, cpu_sp, 4); 665 rx_gen_st(a->sz, val, cpu_sp); 666 tcg_temp_free(val); 667 return true; 668 } 669 670 /* push.<bwl> dsp[rs] */ 671 static bool trans_PUSH_m(DisasContext *ctx, arg_PUSH_m *a) 672 { 673 TCGv mem, val, addr; 674 mem = tcg_temp_new(); 675 val = tcg_temp_new(); 676 addr = rx_index_addr(ctx, mem, a->ld, a->sz, a->rs); 677 rx_gen_ld(a->sz, val, addr); 678 tcg_gen_subi_i32(cpu_sp, cpu_sp, 4); 679 rx_gen_st(a->sz, val, cpu_sp); 680 tcg_temp_free(mem); 681 tcg_temp_free(val); 682 return true; 683 } 684 685 /* pushc rx */ 686 static bool trans_PUSHC(DisasContext *ctx, arg_PUSHC *a) 687 { 688 TCGv val; 689 val = tcg_temp_new(); 690 move_from_cr(ctx, val, a->cr, ctx->pc); 691 push(val); 692 tcg_temp_free(val); 693 return true; 694 } 695 696 /* pushm rs-rs2 */ 697 static bool trans_PUSHM(DisasContext *ctx, arg_PUSHM *a) 698 { 699 int r; 700 701 if (a->rs == 0 || a->rs >= a->rs2) { 702 qemu_log_mask(LOG_GUEST_ERROR, 703 "Invalid register ranges r%d-r%d", a->rs, a->rs2); 704 } 705 r = a->rs2; 706 while (r >= a->rs && r >= 0) { 707 push(cpu_regs[r--]); 708 } 709 return true; 710 } 711 712 /* xchg rs,rd */ 713 static bool trans_XCHG_rr(DisasContext *ctx, arg_XCHG_rr *a) 714 { 715 TCGv tmp; 716 tmp = tcg_temp_new(); 717 tcg_gen_mov_i32(tmp, cpu_regs[a->rs]); 718 tcg_gen_mov_i32(cpu_regs[a->rs], cpu_regs[a->rd]); 719 tcg_gen_mov_i32(cpu_regs[a->rd], tmp); 720 tcg_temp_free(tmp); 721 return true; 722 } 723 724 /* xchg dsp[rs].<mi>,rd */ 725 static bool trans_XCHG_mr(DisasContext *ctx, arg_XCHG_mr *a) 726 { 727 TCGv mem, addr; 728 mem = tcg_temp_new(); 729 switch (a->mi) { 730 case 0: /* dsp[rs].b */ 731 case 1: /* dsp[rs].w */ 732 case 2: /* dsp[rs].l */ 733 addr = rx_index_addr(ctx, mem, a->ld, a->mi, a->rs); 734 break; 735 case 3: /* dsp[rs].uw */ 736 case 4: /* dsp[rs].ub */ 737 addr = rx_index_addr(ctx, mem, a->ld, 4 - a->mi, a->rs); 738 break; 739 default: 740 g_assert_not_reached(); 741 } 742 tcg_gen_atomic_xchg_i32(cpu_regs[a->rd], addr, cpu_regs[a->rd], 743 0, mi_to_mop(a->mi)); 744 tcg_temp_free(mem); 745 return true; 746 } 747 748 static inline void stcond(TCGCond cond, int rd, int imm) 749 { 750 TCGv z; 751 TCGv _imm; 752 z = tcg_const_i32(0); 753 _imm = tcg_const_i32(imm); 754 tcg_gen_movcond_i32(cond, cpu_regs[rd], cpu_psw_z, z, 755 _imm, cpu_regs[rd]); 756 tcg_temp_free(z); 757 tcg_temp_free(_imm); 758 } 759 760 /* stz #imm,rd */ 761 static bool trans_STZ(DisasContext *ctx, arg_STZ *a) 762 { 763 stcond(TCG_COND_EQ, a->rd, a->imm); 764 return true; 765 } 766 767 /* stnz #imm,rd */ 768 static bool trans_STNZ(DisasContext *ctx, arg_STNZ *a) 769 { 770 stcond(TCG_COND_NE, a->rd, a->imm); 771 return true; 772 } 773 774 /* sccnd.<bwl> rd */ 775 /* sccnd.<bwl> dsp:[rd] */ 776 static bool trans_SCCnd(DisasContext *ctx, arg_SCCnd *a) 777 { 778 DisasCompare dc; 779 TCGv val, mem, addr; 780 dc.temp = tcg_temp_new(); 781 psw_cond(&dc, a->cd); 782 if (a->ld < 3) { 783 val = tcg_temp_new(); 784 mem = tcg_temp_new(); 785 tcg_gen_setcondi_i32(dc.cond, val, dc.value, 0); 786 addr = rx_index_addr(ctx, mem, a->sz, a->ld, a->rd); 787 rx_gen_st(a->sz, val, addr); 788 tcg_temp_free(val); 789 tcg_temp_free(mem); 790 } else { 791 tcg_gen_setcondi_i32(dc.cond, cpu_regs[a->rd], dc.value, 0); 792 } 793 tcg_temp_free(dc.temp); 794 return true; 795 } 796 797 /* rtsd #imm */ 798 static bool trans_RTSD_i(DisasContext *ctx, arg_RTSD_i *a) 799 { 800 tcg_gen_addi_i32(cpu_sp, cpu_sp, a->imm << 2); 801 pop(cpu_pc); 802 ctx->base.is_jmp = DISAS_JUMP; 803 return true; 804 } 805 806 /* rtsd #imm, rd-rd2 */ 807 static bool trans_RTSD_irr(DisasContext *ctx, arg_RTSD_irr *a) 808 { 809 int dst; 810 int adj; 811 812 if (a->rd2 >= a->rd) { 813 adj = a->imm - (a->rd2 - a->rd + 1); 814 } else { 815 adj = a->imm - (15 - a->rd + 1); 816 } 817 818 tcg_gen_addi_i32(cpu_sp, cpu_sp, adj << 2); 819 dst = a->rd; 820 while (dst <= a->rd2 && dst < 16) { 821 pop(cpu_regs[dst++]); 822 } 823 pop(cpu_pc); 824 ctx->base.is_jmp = DISAS_JUMP; 825 return true; 826 } 827 828 typedef void (*op2fn)(TCGv ret, TCGv arg1); 829 typedef void (*op3fn)(TCGv ret, TCGv arg1, TCGv arg2); 830 831 static inline void rx_gen_op_rr(op2fn opr, int dst, int src) 832 { 833 opr(cpu_regs[dst], cpu_regs[src]); 834 } 835 836 static inline void rx_gen_op_rrr(op3fn opr, int dst, int src, int src2) 837 { 838 opr(cpu_regs[dst], cpu_regs[src], cpu_regs[src2]); 839 } 840 841 static inline void rx_gen_op_irr(op3fn opr, int dst, int src, uint32_t src2) 842 { 843 TCGv imm = tcg_const_i32(src2); 844 opr(cpu_regs[dst], cpu_regs[src], imm); 845 tcg_temp_free(imm); 846 } 847 848 static inline void rx_gen_op_mr(op3fn opr, DisasContext *ctx, 849 int dst, int src, int ld, int mi) 850 { 851 TCGv val, mem; 852 mem = tcg_temp_new(); 853 val = rx_load_source(ctx, mem, ld, mi, src); 854 opr(cpu_regs[dst], cpu_regs[dst], val); 855 tcg_temp_free(mem); 856 } 857 858 static void rx_and(TCGv ret, TCGv arg1, TCGv arg2) 859 { 860 tcg_gen_and_i32(cpu_psw_s, arg1, arg2); 861 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); 862 tcg_gen_mov_i32(ret, cpu_psw_s); 863 } 864 865 /* and #uimm:4, rd */ 866 /* and #imm, rd */ 867 static bool trans_AND_ir(DisasContext *ctx, arg_AND_ir *a) 868 { 869 rx_gen_op_irr(rx_and, a->rd, a->rd, a->imm); 870 return true; 871 } 872 873 /* and dsp[rs], rd */ 874 /* and rs,rd */ 875 static bool trans_AND_mr(DisasContext *ctx, arg_AND_mr *a) 876 { 877 rx_gen_op_mr(rx_and, ctx, a->rd, a->rs, a->ld, a->mi); 878 return true; 879 } 880 881 /* and rs,rs2,rd */ 882 static bool trans_AND_rrr(DisasContext *ctx, arg_AND_rrr *a) 883 { 884 rx_gen_op_rrr(rx_and, a->rd, a->rs, a->rs2); 885 return true; 886 } 887 888 static void rx_or(TCGv ret, TCGv arg1, TCGv arg2) 889 { 890 tcg_gen_or_i32(cpu_psw_s, arg1, arg2); 891 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); 892 tcg_gen_mov_i32(ret, cpu_psw_s); 893 } 894 895 /* or #uimm:4, rd */ 896 /* or #imm, rd */ 897 static bool trans_OR_ir(DisasContext *ctx, arg_OR_ir *a) 898 { 899 rx_gen_op_irr(rx_or, a->rd, a->rd, a->imm); 900 return true; 901 } 902 903 /* or dsp[rs], rd */ 904 /* or rs,rd */ 905 static bool trans_OR_mr(DisasContext *ctx, arg_OR_mr *a) 906 { 907 rx_gen_op_mr(rx_or, ctx, a->rd, a->rs, a->ld, a->mi); 908 return true; 909 } 910 911 /* or rs,rs2,rd */ 912 static bool trans_OR_rrr(DisasContext *ctx, arg_OR_rrr *a) 913 { 914 rx_gen_op_rrr(rx_or, a->rd, a->rs, a->rs2); 915 return true; 916 } 917 918 static void rx_xor(TCGv ret, TCGv arg1, TCGv arg2) 919 { 920 tcg_gen_xor_i32(cpu_psw_s, arg1, arg2); 921 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); 922 tcg_gen_mov_i32(ret, cpu_psw_s); 923 } 924 925 /* xor #imm, rd */ 926 static bool trans_XOR_ir(DisasContext *ctx, arg_XOR_ir *a) 927 { 928 rx_gen_op_irr(rx_xor, a->rd, a->rd, a->imm); 929 return true; 930 } 931 932 /* xor dsp[rs], rd */ 933 /* xor rs,rd */ 934 static bool trans_XOR_mr(DisasContext *ctx, arg_XOR_mr *a) 935 { 936 rx_gen_op_mr(rx_xor, ctx, a->rd, a->rs, a->ld, a->mi); 937 return true; 938 } 939 940 static void rx_tst(TCGv ret, TCGv arg1, TCGv arg2) 941 { 942 tcg_gen_and_i32(cpu_psw_s, arg1, arg2); 943 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); 944 } 945 946 /* tst #imm, rd */ 947 static bool trans_TST_ir(DisasContext *ctx, arg_TST_ir *a) 948 { 949 rx_gen_op_irr(rx_tst, a->rd, a->rd, a->imm); 950 return true; 951 } 952 953 /* tst dsp[rs], rd */ 954 /* tst rs, rd */ 955 static bool trans_TST_mr(DisasContext *ctx, arg_TST_mr *a) 956 { 957 rx_gen_op_mr(rx_tst, ctx, a->rd, a->rs, a->ld, a->mi); 958 return true; 959 } 960 961 static void rx_not(TCGv ret, TCGv arg1) 962 { 963 tcg_gen_not_i32(ret, arg1); 964 tcg_gen_mov_i32(cpu_psw_z, ret); 965 tcg_gen_mov_i32(cpu_psw_s, ret); 966 } 967 968 /* not rd */ 969 /* not rs, rd */ 970 static bool trans_NOT_rr(DisasContext *ctx, arg_NOT_rr *a) 971 { 972 rx_gen_op_rr(rx_not, a->rd, a->rs); 973 return true; 974 } 975 976 static void rx_neg(TCGv ret, TCGv arg1) 977 { 978 tcg_gen_setcondi_i32(TCG_COND_EQ, cpu_psw_o, arg1, 0x80000000); 979 tcg_gen_neg_i32(ret, arg1); 980 tcg_gen_setcondi_i32(TCG_COND_EQ, cpu_psw_c, ret, 0); 981 tcg_gen_mov_i32(cpu_psw_z, ret); 982 tcg_gen_mov_i32(cpu_psw_s, ret); 983 } 984 985 986 /* neg rd */ 987 /* neg rs, rd */ 988 static bool trans_NEG_rr(DisasContext *ctx, arg_NEG_rr *a) 989 { 990 rx_gen_op_rr(rx_neg, a->rd, a->rs); 991 return true; 992 } 993 994 /* ret = arg1 + arg2 + psw_c */ 995 static void rx_adc(TCGv ret, TCGv arg1, TCGv arg2) 996 { 997 TCGv z; 998 z = tcg_const_i32(0); 999 tcg_gen_add2_i32(cpu_psw_s, cpu_psw_c, arg1, z, cpu_psw_c, z); 1000 tcg_gen_add2_i32(cpu_psw_s, cpu_psw_c, cpu_psw_s, cpu_psw_c, arg2, z); 1001 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); 1002 tcg_gen_xor_i32(cpu_psw_o, cpu_psw_s, arg1); 1003 tcg_gen_xor_i32(z, arg1, arg2); 1004 tcg_gen_andc_i32(cpu_psw_o, cpu_psw_o, z); 1005 tcg_gen_mov_i32(ret, cpu_psw_s); 1006 tcg_temp_free(z); 1007 } 1008 1009 /* adc #imm, rd */ 1010 static bool trans_ADC_ir(DisasContext *ctx, arg_ADC_ir *a) 1011 { 1012 rx_gen_op_irr(rx_adc, a->rd, a->rd, a->imm); 1013 return true; 1014 } 1015 1016 /* adc rs, rd */ 1017 static bool trans_ADC_rr(DisasContext *ctx, arg_ADC_rr *a) 1018 { 1019 rx_gen_op_rrr(rx_adc, a->rd, a->rd, a->rs); 1020 return true; 1021 } 1022 1023 /* adc dsp[rs], rd */ 1024 static bool trans_ADC_mr(DisasContext *ctx, arg_ADC_mr *a) 1025 { 1026 /* mi only 2 */ 1027 if (a->mi != 2) { 1028 return false; 1029 } 1030 rx_gen_op_mr(rx_adc, ctx, a->rd, a->rs, a->ld, a->mi); 1031 return true; 1032 } 1033 1034 /* ret = arg1 + arg2 */ 1035 static void rx_add(TCGv ret, TCGv arg1, TCGv arg2) 1036 { 1037 TCGv z; 1038 z = tcg_const_i32(0); 1039 tcg_gen_add2_i32(cpu_psw_s, cpu_psw_c, arg1, z, arg2, z); 1040 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); 1041 tcg_gen_xor_i32(cpu_psw_o, cpu_psw_s, arg1); 1042 tcg_gen_xor_i32(z, arg1, arg2); 1043 tcg_gen_andc_i32(cpu_psw_o, cpu_psw_o, z); 1044 tcg_gen_mov_i32(ret, cpu_psw_s); 1045 tcg_temp_free(z); 1046 } 1047 1048 /* add #uimm4, rd */ 1049 /* add #imm, rs, rd */ 1050 static bool trans_ADD_irr(DisasContext *ctx, arg_ADD_irr *a) 1051 { 1052 rx_gen_op_irr(rx_add, a->rd, a->rs2, a->imm); 1053 return true; 1054 } 1055 1056 /* add rs, rd */ 1057 /* add dsp[rs], rd */ 1058 static bool trans_ADD_mr(DisasContext *ctx, arg_ADD_mr *a) 1059 { 1060 rx_gen_op_mr(rx_add, ctx, a->rd, a->rs, a->ld, a->mi); 1061 return true; 1062 } 1063 1064 /* add rs, rs2, rd */ 1065 static bool trans_ADD_rrr(DisasContext *ctx, arg_ADD_rrr *a) 1066 { 1067 rx_gen_op_rrr(rx_add, a->rd, a->rs, a->rs2); 1068 return true; 1069 } 1070 1071 /* ret = arg1 - arg2 */ 1072 static void rx_sub(TCGv ret, TCGv arg1, TCGv arg2) 1073 { 1074 TCGv temp; 1075 tcg_gen_sub_i32(cpu_psw_s, arg1, arg2); 1076 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); 1077 tcg_gen_setcond_i32(TCG_COND_GEU, cpu_psw_c, arg1, arg2); 1078 tcg_gen_xor_i32(cpu_psw_o, cpu_psw_s, arg1); 1079 temp = tcg_temp_new_i32(); 1080 tcg_gen_xor_i32(temp, arg1, arg2); 1081 tcg_gen_and_i32(cpu_psw_o, cpu_psw_o, temp); 1082 tcg_temp_free_i32(temp); 1083 /* CMP not required return */ 1084 if (ret) { 1085 tcg_gen_mov_i32(ret, cpu_psw_s); 1086 } 1087 } 1088 static void rx_cmp(TCGv dummy, TCGv arg1, TCGv arg2) 1089 { 1090 rx_sub(NULL, arg1, arg2); 1091 } 1092 /* ret = arg1 - arg2 - !psw_c */ 1093 /* -> ret = arg1 + ~arg2 + psw_c */ 1094 static void rx_sbb(TCGv ret, TCGv arg1, TCGv arg2) 1095 { 1096 TCGv temp; 1097 temp = tcg_temp_new(); 1098 tcg_gen_not_i32(temp, arg2); 1099 rx_adc(ret, arg1, temp); 1100 tcg_temp_free(temp); 1101 } 1102 1103 /* cmp #imm4, rs2 */ 1104 /* cmp #imm8, rs2 */ 1105 /* cmp #imm, rs2 */ 1106 static bool trans_CMP_ir(DisasContext *ctx, arg_CMP_ir *a) 1107 { 1108 rx_gen_op_irr(rx_cmp, 0, a->rs2, a->imm); 1109 return true; 1110 } 1111 1112 /* cmp rs, rs2 */ 1113 /* cmp dsp[rs], rs2 */ 1114 static bool trans_CMP_mr(DisasContext *ctx, arg_CMP_mr *a) 1115 { 1116 rx_gen_op_mr(rx_cmp, ctx, a->rd, a->rs, a->ld, a->mi); 1117 return true; 1118 } 1119 1120 /* sub #imm4, rd */ 1121 static bool trans_SUB_ir(DisasContext *ctx, arg_SUB_ir *a) 1122 { 1123 rx_gen_op_irr(rx_sub, a->rd, a->rd, a->imm); 1124 return true; 1125 } 1126 1127 /* sub rs, rd */ 1128 /* sub dsp[rs], rd */ 1129 static bool trans_SUB_mr(DisasContext *ctx, arg_SUB_mr *a) 1130 { 1131 rx_gen_op_mr(rx_sub, ctx, a->rd, a->rs, a->ld, a->mi); 1132 return true; 1133 } 1134 1135 /* sub rs2, rs, rd */ 1136 static bool trans_SUB_rrr(DisasContext *ctx, arg_SUB_rrr *a) 1137 { 1138 rx_gen_op_rrr(rx_sub, a->rd, a->rs2, a->rs); 1139 return true; 1140 } 1141 1142 /* sbb rs, rd */ 1143 static bool trans_SBB_rr(DisasContext *ctx, arg_SBB_rr *a) 1144 { 1145 rx_gen_op_rrr(rx_sbb, a->rd, a->rd, a->rs); 1146 return true; 1147 } 1148 1149 /* sbb dsp[rs], rd */ 1150 static bool trans_SBB_mr(DisasContext *ctx, arg_SBB_mr *a) 1151 { 1152 /* mi only 2 */ 1153 if (a->mi != 2) { 1154 return false; 1155 } 1156 rx_gen_op_mr(rx_sbb, ctx, a->rd, a->rs, a->ld, a->mi); 1157 return true; 1158 } 1159 1160 static void rx_abs(TCGv ret, TCGv arg1) 1161 { 1162 TCGv neg; 1163 TCGv zero; 1164 neg = tcg_temp_new(); 1165 zero = tcg_const_i32(0); 1166 tcg_gen_neg_i32(neg, arg1); 1167 tcg_gen_movcond_i32(TCG_COND_LT, ret, arg1, zero, neg, arg1); 1168 tcg_temp_free(neg); 1169 tcg_temp_free(zero); 1170 } 1171 1172 /* abs rd */ 1173 /* abs rs, rd */ 1174 static bool trans_ABS_rr(DisasContext *ctx, arg_ABS_rr *a) 1175 { 1176 rx_gen_op_rr(rx_abs, a->rd, a->rs); 1177 return true; 1178 } 1179 1180 /* max #imm, rd */ 1181 static bool trans_MAX_ir(DisasContext *ctx, arg_MAX_ir *a) 1182 { 1183 rx_gen_op_irr(tcg_gen_smax_i32, a->rd, a->rd, a->imm); 1184 return true; 1185 } 1186 1187 /* max rs, rd */ 1188 /* max dsp[rs], rd */ 1189 static bool trans_MAX_mr(DisasContext *ctx, arg_MAX_mr *a) 1190 { 1191 rx_gen_op_mr(tcg_gen_smax_i32, ctx, a->rd, a->rs, a->ld, a->mi); 1192 return true; 1193 } 1194 1195 /* min #imm, rd */ 1196 static bool trans_MIN_ir(DisasContext *ctx, arg_MIN_ir *a) 1197 { 1198 rx_gen_op_irr(tcg_gen_smin_i32, a->rd, a->rd, a->imm); 1199 return true; 1200 } 1201 1202 /* min rs, rd */ 1203 /* min dsp[rs], rd */ 1204 static bool trans_MIN_mr(DisasContext *ctx, arg_MIN_mr *a) 1205 { 1206 rx_gen_op_mr(tcg_gen_smin_i32, ctx, a->rd, a->rs, a->ld, a->mi); 1207 return true; 1208 } 1209 1210 /* mul #uimm4, rd */ 1211 /* mul #imm, rd */ 1212 static bool trans_MUL_ir(DisasContext *ctx, arg_MUL_ir *a) 1213 { 1214 rx_gen_op_irr(tcg_gen_mul_i32, a->rd, a->rd, a->imm); 1215 return true; 1216 } 1217 1218 /* mul rs, rd */ 1219 /* mul dsp[rs], rd */ 1220 static bool trans_MUL_mr(DisasContext *ctx, arg_MUL_mr *a) 1221 { 1222 rx_gen_op_mr(tcg_gen_mul_i32, ctx, a->rd, a->rs, a->ld, a->mi); 1223 return true; 1224 } 1225 1226 /* mul rs, rs2, rd */ 1227 static bool trans_MUL_rrr(DisasContext *ctx, arg_MUL_rrr *a) 1228 { 1229 rx_gen_op_rrr(tcg_gen_mul_i32, a->rd, a->rs, a->rs2); 1230 return true; 1231 } 1232 1233 /* emul #imm, rd */ 1234 static bool trans_EMUL_ir(DisasContext *ctx, arg_EMUL_ir *a) 1235 { 1236 TCGv imm = tcg_const_i32(a->imm); 1237 if (a->rd > 14) { 1238 qemu_log_mask(LOG_GUEST_ERROR, "rd too large %d", a->rd); 1239 } 1240 tcg_gen_muls2_i32(cpu_regs[a->rd], cpu_regs[(a->rd + 1) & 15], 1241 cpu_regs[a->rd], imm); 1242 tcg_temp_free(imm); 1243 return true; 1244 } 1245 1246 /* emul rs, rd */ 1247 /* emul dsp[rs], rd */ 1248 static bool trans_EMUL_mr(DisasContext *ctx, arg_EMUL_mr *a) 1249 { 1250 TCGv val, mem; 1251 if (a->rd > 14) { 1252 qemu_log_mask(LOG_GUEST_ERROR, "rd too large %d", a->rd); 1253 } 1254 mem = tcg_temp_new(); 1255 val = rx_load_source(ctx, mem, a->ld, a->mi, a->rs); 1256 tcg_gen_muls2_i32(cpu_regs[a->rd], cpu_regs[(a->rd + 1) & 15], 1257 cpu_regs[a->rd], val); 1258 tcg_temp_free(mem); 1259 return true; 1260 } 1261 1262 /* emulu #imm, rd */ 1263 static bool trans_EMULU_ir(DisasContext *ctx, arg_EMULU_ir *a) 1264 { 1265 TCGv imm = tcg_const_i32(a->imm); 1266 if (a->rd > 14) { 1267 qemu_log_mask(LOG_GUEST_ERROR, "rd too large %d", a->rd); 1268 } 1269 tcg_gen_mulu2_i32(cpu_regs[a->rd], cpu_regs[(a->rd + 1) & 15], 1270 cpu_regs[a->rd], imm); 1271 tcg_temp_free(imm); 1272 return true; 1273 } 1274 1275 /* emulu rs, rd */ 1276 /* emulu dsp[rs], rd */ 1277 static bool trans_EMULU_mr(DisasContext *ctx, arg_EMULU_mr *a) 1278 { 1279 TCGv val, mem; 1280 if (a->rd > 14) { 1281 qemu_log_mask(LOG_GUEST_ERROR, "rd too large %d", a->rd); 1282 } 1283 mem = tcg_temp_new(); 1284 val = rx_load_source(ctx, mem, a->ld, a->mi, a->rs); 1285 tcg_gen_mulu2_i32(cpu_regs[a->rd], cpu_regs[(a->rd + 1) & 15], 1286 cpu_regs[a->rd], val); 1287 tcg_temp_free(mem); 1288 return true; 1289 } 1290 1291 static void rx_div(TCGv ret, TCGv arg1, TCGv arg2) 1292 { 1293 gen_helper_div(ret, cpu_env, arg1, arg2); 1294 } 1295 1296 static void rx_divu(TCGv ret, TCGv arg1, TCGv arg2) 1297 { 1298 gen_helper_divu(ret, cpu_env, arg1, arg2); 1299 } 1300 1301 /* div #imm, rd */ 1302 static bool trans_DIV_ir(DisasContext *ctx, arg_DIV_ir *a) 1303 { 1304 rx_gen_op_irr(rx_div, a->rd, a->rd, a->imm); 1305 return true; 1306 } 1307 1308 /* div rs, rd */ 1309 /* div dsp[rs], rd */ 1310 static bool trans_DIV_mr(DisasContext *ctx, arg_DIV_mr *a) 1311 { 1312 rx_gen_op_mr(rx_div, ctx, a->rd, a->rs, a->ld, a->mi); 1313 return true; 1314 } 1315 1316 /* divu #imm, rd */ 1317 static bool trans_DIVU_ir(DisasContext *ctx, arg_DIVU_ir *a) 1318 { 1319 rx_gen_op_irr(rx_divu, a->rd, a->rd, a->imm); 1320 return true; 1321 } 1322 1323 /* divu rs, rd */ 1324 /* divu dsp[rs], rd */ 1325 static bool trans_DIVU_mr(DisasContext *ctx, arg_DIVU_mr *a) 1326 { 1327 rx_gen_op_mr(rx_divu, ctx, a->rd, a->rs, a->ld, a->mi); 1328 return true; 1329 } 1330 1331 1332 /* shll #imm:5, rd */ 1333 /* shll #imm:5, rs2, rd */ 1334 static bool trans_SHLL_irr(DisasContext *ctx, arg_SHLL_irr *a) 1335 { 1336 TCGv tmp; 1337 tmp = tcg_temp_new(); 1338 if (a->imm) { 1339 tcg_gen_sari_i32(cpu_psw_c, cpu_regs[a->rs2], 32 - a->imm); 1340 tcg_gen_shli_i32(cpu_regs[a->rd], cpu_regs[a->rs2], a->imm); 1341 tcg_gen_setcondi_i32(TCG_COND_EQ, cpu_psw_o, cpu_psw_c, 0); 1342 tcg_gen_setcondi_i32(TCG_COND_EQ, tmp, cpu_psw_c, 0xffffffff); 1343 tcg_gen_or_i32(cpu_psw_o, cpu_psw_o, tmp); 1344 tcg_gen_setcondi_i32(TCG_COND_NE, cpu_psw_c, cpu_psw_c, 0); 1345 } else { 1346 tcg_gen_mov_i32(cpu_regs[a->rd], cpu_regs[a->rs2]); 1347 tcg_gen_movi_i32(cpu_psw_c, 0); 1348 tcg_gen_movi_i32(cpu_psw_o, 0); 1349 } 1350 tcg_gen_mov_i32(cpu_psw_z, cpu_regs[a->rd]); 1351 tcg_gen_mov_i32(cpu_psw_s, cpu_regs[a->rd]); 1352 return true; 1353 } 1354 1355 /* shll rs, rd */ 1356 static bool trans_SHLL_rr(DisasContext *ctx, arg_SHLL_rr *a) 1357 { 1358 TCGLabel *noshift, *done; 1359 TCGv count, tmp; 1360 1361 noshift = gen_new_label(); 1362 done = gen_new_label(); 1363 /* if (cpu_regs[a->rs]) { */ 1364 tcg_gen_brcondi_i32(TCG_COND_EQ, cpu_regs[a->rs], 0, noshift); 1365 count = tcg_const_i32(32); 1366 tmp = tcg_temp_new(); 1367 tcg_gen_andi_i32(tmp, cpu_regs[a->rs], 31); 1368 tcg_gen_sub_i32(count, count, tmp); 1369 tcg_gen_sar_i32(cpu_psw_c, cpu_regs[a->rd], count); 1370 tcg_gen_shl_i32(cpu_regs[a->rd], cpu_regs[a->rd], tmp); 1371 tcg_gen_setcondi_i32(TCG_COND_EQ, cpu_psw_o, cpu_psw_c, 0); 1372 tcg_gen_setcondi_i32(TCG_COND_EQ, tmp, cpu_psw_c, 0xffffffff); 1373 tcg_gen_or_i32(cpu_psw_o, cpu_psw_o, tmp); 1374 tcg_gen_setcondi_i32(TCG_COND_NE, cpu_psw_c, cpu_psw_c, 0); 1375 tcg_gen_br(done); 1376 /* } else { */ 1377 gen_set_label(noshift); 1378 tcg_gen_movi_i32(cpu_psw_c, 0); 1379 tcg_gen_movi_i32(cpu_psw_o, 0); 1380 /* } */ 1381 gen_set_label(done); 1382 tcg_gen_mov_i32(cpu_psw_z, cpu_regs[a->rd]); 1383 tcg_gen_mov_i32(cpu_psw_s, cpu_regs[a->rd]); 1384 tcg_temp_free(count); 1385 tcg_temp_free(tmp); 1386 return true; 1387 } 1388 1389 static inline void shiftr_imm(uint32_t rd, uint32_t rs, uint32_t imm, 1390 unsigned int alith) 1391 { 1392 static void (* const gen_sXri[])(TCGv ret, TCGv arg1, int arg2) = { 1393 tcg_gen_shri_i32, tcg_gen_sari_i32, 1394 }; 1395 tcg_debug_assert(alith < 2); 1396 if (imm) { 1397 gen_sXri[alith](cpu_regs[rd], cpu_regs[rs], imm - 1); 1398 tcg_gen_andi_i32(cpu_psw_c, cpu_regs[rd], 0x00000001); 1399 gen_sXri[alith](cpu_regs[rd], cpu_regs[rd], 1); 1400 } else { 1401 tcg_gen_mov_i32(cpu_regs[rd], cpu_regs[rs]); 1402 tcg_gen_movi_i32(cpu_psw_c, 0); 1403 } 1404 tcg_gen_movi_i32(cpu_psw_o, 0); 1405 tcg_gen_mov_i32(cpu_psw_z, cpu_regs[rd]); 1406 tcg_gen_mov_i32(cpu_psw_s, cpu_regs[rd]); 1407 } 1408 1409 static inline void shiftr_reg(uint32_t rd, uint32_t rs, unsigned int alith) 1410 { 1411 TCGLabel *noshift, *done; 1412 TCGv count; 1413 static void (* const gen_sXri[])(TCGv ret, TCGv arg1, int arg2) = { 1414 tcg_gen_shri_i32, tcg_gen_sari_i32, 1415 }; 1416 static void (* const gen_sXr[])(TCGv ret, TCGv arg1, TCGv arg2) = { 1417 tcg_gen_shr_i32, tcg_gen_sar_i32, 1418 }; 1419 tcg_debug_assert(alith < 2); 1420 noshift = gen_new_label(); 1421 done = gen_new_label(); 1422 count = tcg_temp_new(); 1423 /* if (cpu_regs[rs]) { */ 1424 tcg_gen_brcondi_i32(TCG_COND_EQ, cpu_regs[rs], 0, noshift); 1425 tcg_gen_andi_i32(count, cpu_regs[rs], 31); 1426 tcg_gen_subi_i32(count, count, 1); 1427 gen_sXr[alith](cpu_regs[rd], cpu_regs[rd], count); 1428 tcg_gen_andi_i32(cpu_psw_c, cpu_regs[rd], 0x00000001); 1429 gen_sXri[alith](cpu_regs[rd], cpu_regs[rd], 1); 1430 tcg_gen_br(done); 1431 /* } else { */ 1432 gen_set_label(noshift); 1433 tcg_gen_movi_i32(cpu_psw_c, 0); 1434 /* } */ 1435 gen_set_label(done); 1436 tcg_gen_movi_i32(cpu_psw_o, 0); 1437 tcg_gen_mov_i32(cpu_psw_z, cpu_regs[rd]); 1438 tcg_gen_mov_i32(cpu_psw_s, cpu_regs[rd]); 1439 tcg_temp_free(count); 1440 } 1441 1442 /* shar #imm:5, rd */ 1443 /* shar #imm:5, rs2, rd */ 1444 static bool trans_SHAR_irr(DisasContext *ctx, arg_SHAR_irr *a) 1445 { 1446 shiftr_imm(a->rd, a->rs2, a->imm, 1); 1447 return true; 1448 } 1449 1450 /* shar rs, rd */ 1451 static bool trans_SHAR_rr(DisasContext *ctx, arg_SHAR_rr *a) 1452 { 1453 shiftr_reg(a->rd, a->rs, 1); 1454 return true; 1455 } 1456 1457 /* shlr #imm:5, rd */ 1458 /* shlr #imm:5, rs2, rd */ 1459 static bool trans_SHLR_irr(DisasContext *ctx, arg_SHLR_irr *a) 1460 { 1461 shiftr_imm(a->rd, a->rs2, a->imm, 0); 1462 return true; 1463 } 1464 1465 /* shlr rs, rd */ 1466 static bool trans_SHLR_rr(DisasContext *ctx, arg_SHLR_rr *a) 1467 { 1468 shiftr_reg(a->rd, a->rs, 0); 1469 return true; 1470 } 1471 1472 /* rolc rd */ 1473 static bool trans_ROLC(DisasContext *ctx, arg_ROLC *a) 1474 { 1475 TCGv tmp; 1476 tmp = tcg_temp_new(); 1477 tcg_gen_shri_i32(tmp, cpu_regs[a->rd], 31); 1478 tcg_gen_shli_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1); 1479 tcg_gen_or_i32(cpu_regs[a->rd], cpu_regs[a->rd], cpu_psw_c); 1480 tcg_gen_mov_i32(cpu_psw_c, tmp); 1481 tcg_gen_mov_i32(cpu_psw_z, cpu_regs[a->rd]); 1482 tcg_gen_mov_i32(cpu_psw_s, cpu_regs[a->rd]); 1483 tcg_temp_free(tmp); 1484 return true; 1485 } 1486 1487 /* rorc rd */ 1488 static bool trans_RORC(DisasContext *ctx, arg_RORC *a) 1489 { 1490 TCGv tmp; 1491 tmp = tcg_temp_new(); 1492 tcg_gen_andi_i32(tmp, cpu_regs[a->rd], 0x00000001); 1493 tcg_gen_shri_i32(cpu_regs[a->rd], cpu_regs[a->rd], 1); 1494 tcg_gen_shli_i32(cpu_psw_c, cpu_psw_c, 31); 1495 tcg_gen_or_i32(cpu_regs[a->rd], cpu_regs[a->rd], cpu_psw_c); 1496 tcg_gen_mov_i32(cpu_psw_c, tmp); 1497 tcg_gen_mov_i32(cpu_psw_z, cpu_regs[a->rd]); 1498 tcg_gen_mov_i32(cpu_psw_s, cpu_regs[a->rd]); 1499 return true; 1500 } 1501 1502 enum {ROTR = 0, ROTL = 1}; 1503 enum {ROT_IMM = 0, ROT_REG = 1}; 1504 static inline void rx_rot(int ir, int dir, int rd, int src) 1505 { 1506 switch (dir) { 1507 case ROTL: 1508 if (ir == ROT_IMM) { 1509 tcg_gen_rotli_i32(cpu_regs[rd], cpu_regs[rd], src); 1510 } else { 1511 tcg_gen_rotl_i32(cpu_regs[rd], cpu_regs[rd], cpu_regs[src]); 1512 } 1513 tcg_gen_andi_i32(cpu_psw_c, cpu_regs[rd], 0x00000001); 1514 break; 1515 case ROTR: 1516 if (ir == ROT_IMM) { 1517 tcg_gen_rotri_i32(cpu_regs[rd], cpu_regs[rd], src); 1518 } else { 1519 tcg_gen_rotr_i32(cpu_regs[rd], cpu_regs[rd], cpu_regs[src]); 1520 } 1521 tcg_gen_shri_i32(cpu_psw_c, cpu_regs[rd], 31); 1522 break; 1523 } 1524 tcg_gen_mov_i32(cpu_psw_z, cpu_regs[rd]); 1525 tcg_gen_mov_i32(cpu_psw_s, cpu_regs[rd]); 1526 } 1527 1528 /* rotl #imm, rd */ 1529 static bool trans_ROTL_ir(DisasContext *ctx, arg_ROTL_ir *a) 1530 { 1531 rx_rot(ROT_IMM, ROTL, a->rd, a->imm); 1532 return true; 1533 } 1534 1535 /* rotl rs, rd */ 1536 static bool trans_ROTL_rr(DisasContext *ctx, arg_ROTL_rr *a) 1537 { 1538 rx_rot(ROT_REG, ROTL, a->rd, a->rs); 1539 return true; 1540 } 1541 1542 /* rotr #imm, rd */ 1543 static bool trans_ROTR_ir(DisasContext *ctx, arg_ROTR_ir *a) 1544 { 1545 rx_rot(ROT_IMM, ROTR, a->rd, a->imm); 1546 return true; 1547 } 1548 1549 /* rotr rs, rd */ 1550 static bool trans_ROTR_rr(DisasContext *ctx, arg_ROTR_rr *a) 1551 { 1552 rx_rot(ROT_REG, ROTR, a->rd, a->rs); 1553 return true; 1554 } 1555 1556 /* revl rs, rd */ 1557 static bool trans_REVL(DisasContext *ctx, arg_REVL *a) 1558 { 1559 tcg_gen_bswap32_i32(cpu_regs[a->rd], cpu_regs[a->rs]); 1560 return true; 1561 } 1562 1563 /* revw rs, rd */ 1564 static bool trans_REVW(DisasContext *ctx, arg_REVW *a) 1565 { 1566 TCGv tmp; 1567 tmp = tcg_temp_new(); 1568 tcg_gen_andi_i32(tmp, cpu_regs[a->rs], 0x00ff00ff); 1569 tcg_gen_shli_i32(tmp, tmp, 8); 1570 tcg_gen_shri_i32(cpu_regs[a->rd], cpu_regs[a->rs], 8); 1571 tcg_gen_andi_i32(cpu_regs[a->rd], cpu_regs[a->rd], 0x00ff00ff); 1572 tcg_gen_or_i32(cpu_regs[a->rd], cpu_regs[a->rd], tmp); 1573 tcg_temp_free(tmp); 1574 return true; 1575 } 1576 1577 /* conditional branch helper */ 1578 static void rx_bcnd_main(DisasContext *ctx, int cd, int dst) 1579 { 1580 DisasCompare dc; 1581 TCGLabel *t, *done; 1582 1583 switch (cd) { 1584 case 0 ... 13: 1585 dc.temp = tcg_temp_new(); 1586 psw_cond(&dc, cd); 1587 t = gen_new_label(); 1588 done = gen_new_label(); 1589 tcg_gen_brcondi_i32(dc.cond, dc.value, 0, t); 1590 gen_goto_tb(ctx, 0, ctx->base.pc_next); 1591 tcg_gen_br(done); 1592 gen_set_label(t); 1593 gen_goto_tb(ctx, 1, ctx->pc + dst); 1594 gen_set_label(done); 1595 tcg_temp_free(dc.temp); 1596 break; 1597 case 14: 1598 /* always true case */ 1599 gen_goto_tb(ctx, 0, ctx->pc + dst); 1600 break; 1601 case 15: 1602 /* always false case */ 1603 /* Nothing do */ 1604 break; 1605 } 1606 } 1607 1608 /* beq dsp:3 / bne dsp:3 */ 1609 /* beq dsp:8 / bne dsp:8 */ 1610 /* bc dsp:8 / bnc dsp:8 */ 1611 /* bgtu dsp:8 / bleu dsp:8 */ 1612 /* bpz dsp:8 / bn dsp:8 */ 1613 /* bge dsp:8 / blt dsp:8 */ 1614 /* bgt dsp:8 / ble dsp:8 */ 1615 /* bo dsp:8 / bno dsp:8 */ 1616 /* beq dsp:16 / bne dsp:16 */ 1617 static bool trans_BCnd(DisasContext *ctx, arg_BCnd *a) 1618 { 1619 rx_bcnd_main(ctx, a->cd, a->dsp); 1620 return true; 1621 } 1622 1623 /* bra dsp:3 */ 1624 /* bra dsp:8 */ 1625 /* bra dsp:16 */ 1626 /* bra dsp:24 */ 1627 static bool trans_BRA(DisasContext *ctx, arg_BRA *a) 1628 { 1629 rx_bcnd_main(ctx, 14, a->dsp); 1630 return true; 1631 } 1632 1633 /* bra rs */ 1634 static bool trans_BRA_l(DisasContext *ctx, arg_BRA_l *a) 1635 { 1636 tcg_gen_addi_i32(cpu_pc, cpu_regs[a->rd], ctx->pc); 1637 ctx->base.is_jmp = DISAS_JUMP; 1638 return true; 1639 } 1640 1641 static inline void rx_save_pc(DisasContext *ctx) 1642 { 1643 TCGv pc = tcg_const_i32(ctx->base.pc_next); 1644 push(pc); 1645 tcg_temp_free(pc); 1646 } 1647 1648 /* jmp rs */ 1649 static bool trans_JMP(DisasContext *ctx, arg_JMP *a) 1650 { 1651 tcg_gen_mov_i32(cpu_pc, cpu_regs[a->rs]); 1652 ctx->base.is_jmp = DISAS_JUMP; 1653 return true; 1654 } 1655 1656 /* jsr rs */ 1657 static bool trans_JSR(DisasContext *ctx, arg_JSR *a) 1658 { 1659 rx_save_pc(ctx); 1660 tcg_gen_mov_i32(cpu_pc, cpu_regs[a->rs]); 1661 ctx->base.is_jmp = DISAS_JUMP; 1662 return true; 1663 } 1664 1665 /* bsr dsp:16 */ 1666 /* bsr dsp:24 */ 1667 static bool trans_BSR(DisasContext *ctx, arg_BSR *a) 1668 { 1669 rx_save_pc(ctx); 1670 rx_bcnd_main(ctx, 14, a->dsp); 1671 return true; 1672 } 1673 1674 /* bsr rs */ 1675 static bool trans_BSR_l(DisasContext *ctx, arg_BSR_l *a) 1676 { 1677 rx_save_pc(ctx); 1678 tcg_gen_addi_i32(cpu_pc, cpu_regs[a->rd], ctx->pc); 1679 ctx->base.is_jmp = DISAS_JUMP; 1680 return true; 1681 } 1682 1683 /* rts */ 1684 static bool trans_RTS(DisasContext *ctx, arg_RTS *a) 1685 { 1686 pop(cpu_pc); 1687 ctx->base.is_jmp = DISAS_JUMP; 1688 return true; 1689 } 1690 1691 /* nop */ 1692 static bool trans_NOP(DisasContext *ctx, arg_NOP *a) 1693 { 1694 return true; 1695 } 1696 1697 /* scmpu */ 1698 static bool trans_SCMPU(DisasContext *ctx, arg_SCMPU *a) 1699 { 1700 gen_helper_scmpu(cpu_env); 1701 return true; 1702 } 1703 1704 /* smovu */ 1705 static bool trans_SMOVU(DisasContext *ctx, arg_SMOVU *a) 1706 { 1707 gen_helper_smovu(cpu_env); 1708 return true; 1709 } 1710 1711 /* smovf */ 1712 static bool trans_SMOVF(DisasContext *ctx, arg_SMOVF *a) 1713 { 1714 gen_helper_smovf(cpu_env); 1715 return true; 1716 } 1717 1718 /* smovb */ 1719 static bool trans_SMOVB(DisasContext *ctx, arg_SMOVB *a) 1720 { 1721 gen_helper_smovb(cpu_env); 1722 return true; 1723 } 1724 1725 #define STRING(op) \ 1726 do { \ 1727 TCGv size = tcg_const_i32(a->sz); \ 1728 gen_helper_##op(cpu_env, size); \ 1729 tcg_temp_free(size); \ 1730 } while (0) 1731 1732 /* suntile.<bwl> */ 1733 static bool trans_SUNTIL(DisasContext *ctx, arg_SUNTIL *a) 1734 { 1735 STRING(suntil); 1736 return true; 1737 } 1738 1739 /* swhile.<bwl> */ 1740 static bool trans_SWHILE(DisasContext *ctx, arg_SWHILE *a) 1741 { 1742 STRING(swhile); 1743 return true; 1744 } 1745 /* sstr.<bwl> */ 1746 static bool trans_SSTR(DisasContext *ctx, arg_SSTR *a) 1747 { 1748 STRING(sstr); 1749 return true; 1750 } 1751 1752 /* rmpa.<bwl> */ 1753 static bool trans_RMPA(DisasContext *ctx, arg_RMPA *a) 1754 { 1755 STRING(rmpa); 1756 return true; 1757 } 1758 1759 static void rx_mul64hi(TCGv_i64 ret, int rs, int rs2) 1760 { 1761 TCGv_i64 tmp0, tmp1; 1762 tmp0 = tcg_temp_new_i64(); 1763 tmp1 = tcg_temp_new_i64(); 1764 tcg_gen_ext_i32_i64(tmp0, cpu_regs[rs]); 1765 tcg_gen_sari_i64(tmp0, tmp0, 16); 1766 tcg_gen_ext_i32_i64(tmp1, cpu_regs[rs2]); 1767 tcg_gen_sari_i64(tmp1, tmp1, 16); 1768 tcg_gen_mul_i64(ret, tmp0, tmp1); 1769 tcg_gen_shli_i64(ret, ret, 16); 1770 tcg_temp_free_i64(tmp0); 1771 tcg_temp_free_i64(tmp1); 1772 } 1773 1774 static void rx_mul64lo(TCGv_i64 ret, int rs, int rs2) 1775 { 1776 TCGv_i64 tmp0, tmp1; 1777 tmp0 = tcg_temp_new_i64(); 1778 tmp1 = tcg_temp_new_i64(); 1779 tcg_gen_ext_i32_i64(tmp0, cpu_regs[rs]); 1780 tcg_gen_ext16s_i64(tmp0, tmp0); 1781 tcg_gen_ext_i32_i64(tmp1, cpu_regs[rs2]); 1782 tcg_gen_ext16s_i64(tmp1, tmp1); 1783 tcg_gen_mul_i64(ret, tmp0, tmp1); 1784 tcg_gen_shli_i64(ret, ret, 16); 1785 tcg_temp_free_i64(tmp0); 1786 tcg_temp_free_i64(tmp1); 1787 } 1788 1789 /* mulhi rs,rs2 */ 1790 static bool trans_MULHI(DisasContext *ctx, arg_MULHI *a) 1791 { 1792 rx_mul64hi(cpu_acc, a->rs, a->rs2); 1793 return true; 1794 } 1795 1796 /* mullo rs,rs2 */ 1797 static bool trans_MULLO(DisasContext *ctx, arg_MULLO *a) 1798 { 1799 rx_mul64lo(cpu_acc, a->rs, a->rs2); 1800 return true; 1801 } 1802 1803 /* machi rs,rs2 */ 1804 static bool trans_MACHI(DisasContext *ctx, arg_MACHI *a) 1805 { 1806 TCGv_i64 tmp; 1807 tmp = tcg_temp_new_i64(); 1808 rx_mul64hi(tmp, a->rs, a->rs2); 1809 tcg_gen_add_i64(cpu_acc, cpu_acc, tmp); 1810 tcg_temp_free_i64(tmp); 1811 return true; 1812 } 1813 1814 /* maclo rs,rs2 */ 1815 static bool trans_MACLO(DisasContext *ctx, arg_MACLO *a) 1816 { 1817 TCGv_i64 tmp; 1818 tmp = tcg_temp_new_i64(); 1819 rx_mul64lo(tmp, a->rs, a->rs2); 1820 tcg_gen_add_i64(cpu_acc, cpu_acc, tmp); 1821 tcg_temp_free_i64(tmp); 1822 return true; 1823 } 1824 1825 /* mvfachi rd */ 1826 static bool trans_MVFACHI(DisasContext *ctx, arg_MVFACHI *a) 1827 { 1828 tcg_gen_extrh_i64_i32(cpu_regs[a->rd], cpu_acc); 1829 return true; 1830 } 1831 1832 /* mvfacmi rd */ 1833 static bool trans_MVFACMI(DisasContext *ctx, arg_MVFACMI *a) 1834 { 1835 TCGv_i64 rd64; 1836 rd64 = tcg_temp_new_i64(); 1837 tcg_gen_extract_i64(rd64, cpu_acc, 16, 32); 1838 tcg_gen_extrl_i64_i32(cpu_regs[a->rd], rd64); 1839 tcg_temp_free_i64(rd64); 1840 return true; 1841 } 1842 1843 /* mvtachi rs */ 1844 static bool trans_MVTACHI(DisasContext *ctx, arg_MVTACHI *a) 1845 { 1846 TCGv_i64 rs64; 1847 rs64 = tcg_temp_new_i64(); 1848 tcg_gen_extu_i32_i64(rs64, cpu_regs[a->rs]); 1849 tcg_gen_deposit_i64(cpu_acc, cpu_acc, rs64, 32, 32); 1850 tcg_temp_free_i64(rs64); 1851 return true; 1852 } 1853 1854 /* mvtaclo rs */ 1855 static bool trans_MVTACLO(DisasContext *ctx, arg_MVTACLO *a) 1856 { 1857 TCGv_i64 rs64; 1858 rs64 = tcg_temp_new_i64(); 1859 tcg_gen_extu_i32_i64(rs64, cpu_regs[a->rs]); 1860 tcg_gen_deposit_i64(cpu_acc, cpu_acc, rs64, 0, 32); 1861 tcg_temp_free_i64(rs64); 1862 return true; 1863 } 1864 1865 /* racw #imm */ 1866 static bool trans_RACW(DisasContext *ctx, arg_RACW *a) 1867 { 1868 TCGv imm = tcg_const_i32(a->imm + 1); 1869 gen_helper_racw(cpu_env, imm); 1870 tcg_temp_free(imm); 1871 return true; 1872 } 1873 1874 /* sat rd */ 1875 static bool trans_SAT(DisasContext *ctx, arg_SAT *a) 1876 { 1877 TCGv tmp, z; 1878 tmp = tcg_temp_new(); 1879 z = tcg_const_i32(0); 1880 /* S == 1 -> 0xffffffff / S == 0 -> 0x00000000 */ 1881 tcg_gen_sari_i32(tmp, cpu_psw_s, 31); 1882 /* S == 1 -> 0x7fffffff / S == 0 -> 0x80000000 */ 1883 tcg_gen_xori_i32(tmp, tmp, 0x80000000); 1884 tcg_gen_movcond_i32(TCG_COND_LT, cpu_regs[a->rd], 1885 cpu_psw_o, z, tmp, cpu_regs[a->rd]); 1886 tcg_temp_free(tmp); 1887 tcg_temp_free(z); 1888 return true; 1889 } 1890 1891 /* satr */ 1892 static bool trans_SATR(DisasContext *ctx, arg_SATR *a) 1893 { 1894 gen_helper_satr(cpu_env); 1895 return true; 1896 } 1897 1898 #define cat3(a, b, c) a##b##c 1899 #define FOP(name, op) \ 1900 static bool cat3(trans_, name, _ir)(DisasContext *ctx, \ 1901 cat3(arg_, name, _ir) * a) \ 1902 { \ 1903 TCGv imm = tcg_const_i32(li(ctx, 0)); \ 1904 gen_helper_##op(cpu_regs[a->rd], cpu_env, \ 1905 cpu_regs[a->rd], imm); \ 1906 tcg_temp_free(imm); \ 1907 return true; \ 1908 } \ 1909 static bool cat3(trans_, name, _mr)(DisasContext *ctx, \ 1910 cat3(arg_, name, _mr) * a) \ 1911 { \ 1912 TCGv val, mem; \ 1913 mem = tcg_temp_new(); \ 1914 val = rx_load_source(ctx, mem, a->ld, MO_32, a->rs); \ 1915 gen_helper_##op(cpu_regs[a->rd], cpu_env, \ 1916 cpu_regs[a->rd], val); \ 1917 tcg_temp_free(mem); \ 1918 return true; \ 1919 } 1920 1921 #define FCONVOP(name, op) \ 1922 static bool trans_##name(DisasContext *ctx, arg_##name * a) \ 1923 { \ 1924 TCGv val, mem; \ 1925 mem = tcg_temp_new(); \ 1926 val = rx_load_source(ctx, mem, a->ld, MO_32, a->rs); \ 1927 gen_helper_##op(cpu_regs[a->rd], cpu_env, val); \ 1928 tcg_temp_free(mem); \ 1929 return true; \ 1930 } 1931 1932 FOP(FADD, fadd) 1933 FOP(FSUB, fsub) 1934 FOP(FMUL, fmul) 1935 FOP(FDIV, fdiv) 1936 1937 /* fcmp #imm, rd */ 1938 static bool trans_FCMP_ir(DisasContext *ctx, arg_FCMP_ir * a) 1939 { 1940 TCGv imm = tcg_const_i32(li(ctx, 0)); 1941 gen_helper_fcmp(cpu_env, cpu_regs[a->rd], imm); 1942 tcg_temp_free(imm); 1943 return true; 1944 } 1945 1946 /* fcmp dsp[rs], rd */ 1947 /* fcmp rs, rd */ 1948 static bool trans_FCMP_mr(DisasContext *ctx, arg_FCMP_mr *a) 1949 { 1950 TCGv val, mem; 1951 mem = tcg_temp_new(); 1952 val = rx_load_source(ctx, mem, a->ld, MO_32, a->rs); 1953 gen_helper_fcmp(cpu_env, cpu_regs[a->rd], val); 1954 tcg_temp_free(mem); 1955 return true; 1956 } 1957 1958 FCONVOP(FTOI, ftoi) 1959 FCONVOP(ROUND, round) 1960 1961 /* itof rs, rd */ 1962 /* itof dsp[rs], rd */ 1963 static bool trans_ITOF(DisasContext *ctx, arg_ITOF * a) 1964 { 1965 TCGv val, mem; 1966 mem = tcg_temp_new(); 1967 val = rx_load_source(ctx, mem, a->ld, a->mi, a->rs); 1968 gen_helper_itof(cpu_regs[a->rd], cpu_env, val); 1969 tcg_temp_free(mem); 1970 return true; 1971 } 1972 1973 static void rx_bsetm(TCGv mem, TCGv mask) 1974 { 1975 TCGv val; 1976 val = tcg_temp_new(); 1977 rx_gen_ld(MO_8, val, mem); 1978 tcg_gen_or_i32(val, val, mask); 1979 rx_gen_st(MO_8, val, mem); 1980 tcg_temp_free(val); 1981 } 1982 1983 static void rx_bclrm(TCGv mem, TCGv mask) 1984 { 1985 TCGv val; 1986 val = tcg_temp_new(); 1987 rx_gen_ld(MO_8, val, mem); 1988 tcg_gen_andc_i32(val, val, mask); 1989 rx_gen_st(MO_8, val, mem); 1990 tcg_temp_free(val); 1991 } 1992 1993 static void rx_btstm(TCGv mem, TCGv mask) 1994 { 1995 TCGv val; 1996 val = tcg_temp_new(); 1997 rx_gen_ld(MO_8, val, mem); 1998 tcg_gen_and_i32(val, val, mask); 1999 tcg_gen_setcondi_i32(TCG_COND_NE, cpu_psw_c, val, 0); 2000 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_c); 2001 tcg_temp_free(val); 2002 } 2003 2004 static void rx_bnotm(TCGv mem, TCGv mask) 2005 { 2006 TCGv val; 2007 val = tcg_temp_new(); 2008 rx_gen_ld(MO_8, val, mem); 2009 tcg_gen_xor_i32(val, val, mask); 2010 rx_gen_st(MO_8, val, mem); 2011 tcg_temp_free(val); 2012 } 2013 2014 static void rx_bsetr(TCGv reg, TCGv mask) 2015 { 2016 tcg_gen_or_i32(reg, reg, mask); 2017 } 2018 2019 static void rx_bclrr(TCGv reg, TCGv mask) 2020 { 2021 tcg_gen_andc_i32(reg, reg, mask); 2022 } 2023 2024 static inline void rx_btstr(TCGv reg, TCGv mask) 2025 { 2026 TCGv t0; 2027 t0 = tcg_temp_new(); 2028 tcg_gen_and_i32(t0, reg, mask); 2029 tcg_gen_setcondi_i32(TCG_COND_NE, cpu_psw_c, t0, 0); 2030 tcg_gen_mov_i32(cpu_psw_z, cpu_psw_c); 2031 tcg_temp_free(t0); 2032 } 2033 2034 static inline void rx_bnotr(TCGv reg, TCGv mask) 2035 { 2036 tcg_gen_xor_i32(reg, reg, mask); 2037 } 2038 2039 #define BITOP(name, op) \ 2040 static bool cat3(trans_, name, _im)(DisasContext *ctx, \ 2041 cat3(arg_, name, _im) * a) \ 2042 { \ 2043 TCGv mask, mem, addr; \ 2044 mem = tcg_temp_new(); \ 2045 mask = tcg_const_i32(1 << a->imm); \ 2046 addr = rx_index_addr(ctx, mem, a->ld, MO_8, a->rs); \ 2047 cat3(rx_, op, m)(addr, mask); \ 2048 tcg_temp_free(mask); \ 2049 tcg_temp_free(mem); \ 2050 return true; \ 2051 } \ 2052 static bool cat3(trans_, name, _ir)(DisasContext *ctx, \ 2053 cat3(arg_, name, _ir) * a) \ 2054 { \ 2055 TCGv mask; \ 2056 mask = tcg_const_i32(1 << a->imm); \ 2057 cat3(rx_, op, r)(cpu_regs[a->rd], mask); \ 2058 tcg_temp_free(mask); \ 2059 return true; \ 2060 } \ 2061 static bool cat3(trans_, name, _rr)(DisasContext *ctx, \ 2062 cat3(arg_, name, _rr) * a) \ 2063 { \ 2064 TCGv mask, b; \ 2065 mask = tcg_const_i32(1); \ 2066 b = tcg_temp_new(); \ 2067 tcg_gen_andi_i32(b, cpu_regs[a->rs], 31); \ 2068 tcg_gen_shl_i32(mask, mask, b); \ 2069 cat3(rx_, op, r)(cpu_regs[a->rd], mask); \ 2070 tcg_temp_free(mask); \ 2071 tcg_temp_free(b); \ 2072 return true; \ 2073 } \ 2074 static bool cat3(trans_, name, _rm)(DisasContext *ctx, \ 2075 cat3(arg_, name, _rm) * a) \ 2076 { \ 2077 TCGv mask, mem, addr, b; \ 2078 mask = tcg_const_i32(1); \ 2079 b = tcg_temp_new(); \ 2080 tcg_gen_andi_i32(b, cpu_regs[a->rd], 7); \ 2081 tcg_gen_shl_i32(mask, mask, b); \ 2082 mem = tcg_temp_new(); \ 2083 addr = rx_index_addr(ctx, mem, a->ld, MO_8, a->rs); \ 2084 cat3(rx_, op, m)(addr, mask); \ 2085 tcg_temp_free(mem); \ 2086 tcg_temp_free(mask); \ 2087 tcg_temp_free(b); \ 2088 return true; \ 2089 } 2090 2091 BITOP(BSET, bset) 2092 BITOP(BCLR, bclr) 2093 BITOP(BTST, btst) 2094 BITOP(BNOT, bnot) 2095 2096 static inline void bmcnd_op(TCGv val, TCGCond cond, int pos) 2097 { 2098 TCGv bit; 2099 DisasCompare dc; 2100 dc.temp = tcg_temp_new(); 2101 bit = tcg_temp_new(); 2102 psw_cond(&dc, cond); 2103 tcg_gen_andi_i32(val, val, ~(1 << pos)); 2104 tcg_gen_setcondi_i32(dc.cond, bit, dc.value, 0); 2105 tcg_gen_deposit_i32(val, val, bit, pos, 1); 2106 tcg_temp_free(bit); 2107 tcg_temp_free(dc.temp); 2108 } 2109 2110 /* bmcnd #imm, dsp[rd] */ 2111 static bool trans_BMCnd_im(DisasContext *ctx, arg_BMCnd_im *a) 2112 { 2113 TCGv val, mem, addr; 2114 val = tcg_temp_new(); 2115 mem = tcg_temp_new(); 2116 addr = rx_index_addr(ctx, mem, a->ld, MO_8, a->rd); 2117 rx_gen_ld(MO_8, val, addr); 2118 bmcnd_op(val, a->cd, a->imm); 2119 rx_gen_st(MO_8, val, addr); 2120 tcg_temp_free(val); 2121 tcg_temp_free(mem); 2122 return true; 2123 } 2124 2125 /* bmcond #imm, rd */ 2126 static bool trans_BMCnd_ir(DisasContext *ctx, arg_BMCnd_ir *a) 2127 { 2128 bmcnd_op(cpu_regs[a->rd], a->cd, a->imm); 2129 return true; 2130 } 2131 2132 enum { 2133 PSW_C = 0, 2134 PSW_Z = 1, 2135 PSW_S = 2, 2136 PSW_O = 3, 2137 PSW_I = 8, 2138 PSW_U = 9, 2139 }; 2140 2141 static inline void clrsetpsw(DisasContext *ctx, int cb, int val) 2142 { 2143 if (cb < 8) { 2144 switch (cb) { 2145 case PSW_C: 2146 tcg_gen_movi_i32(cpu_psw_c, val); 2147 break; 2148 case PSW_Z: 2149 tcg_gen_movi_i32(cpu_psw_z, val == 0); 2150 break; 2151 case PSW_S: 2152 tcg_gen_movi_i32(cpu_psw_s, val ? -1 : 0); 2153 break; 2154 case PSW_O: 2155 tcg_gen_movi_i32(cpu_psw_o, val << 31); 2156 break; 2157 default: 2158 qemu_log_mask(LOG_GUEST_ERROR, "Invalid distination %d", cb); 2159 break; 2160 } 2161 } else if (is_privileged(ctx, 0)) { 2162 switch (cb) { 2163 case PSW_I: 2164 tcg_gen_movi_i32(cpu_psw_i, val); 2165 ctx->base.is_jmp = DISAS_UPDATE; 2166 break; 2167 case PSW_U: 2168 if (FIELD_EX32(ctx->tb_flags, PSW, U) != val) { 2169 ctx->tb_flags = FIELD_DP32(ctx->tb_flags, PSW, U, val); 2170 tcg_gen_movi_i32(cpu_psw_u, val); 2171 tcg_gen_mov_i32(val ? cpu_isp : cpu_usp, cpu_sp); 2172 tcg_gen_mov_i32(cpu_sp, val ? cpu_usp : cpu_isp); 2173 } 2174 break; 2175 default: 2176 qemu_log_mask(LOG_GUEST_ERROR, "Invalid distination %d", cb); 2177 break; 2178 } 2179 } 2180 } 2181 2182 /* clrpsw psw */ 2183 static bool trans_CLRPSW(DisasContext *ctx, arg_CLRPSW *a) 2184 { 2185 clrsetpsw(ctx, a->cb, 0); 2186 return true; 2187 } 2188 2189 /* setpsw psw */ 2190 static bool trans_SETPSW(DisasContext *ctx, arg_SETPSW *a) 2191 { 2192 clrsetpsw(ctx, a->cb, 1); 2193 return true; 2194 } 2195 2196 /* mvtipl #imm */ 2197 static bool trans_MVTIPL(DisasContext *ctx, arg_MVTIPL *a) 2198 { 2199 if (is_privileged(ctx, 1)) { 2200 tcg_gen_movi_i32(cpu_psw_ipl, a->imm); 2201 ctx->base.is_jmp = DISAS_UPDATE; 2202 } 2203 return true; 2204 } 2205 2206 /* mvtc #imm, rd */ 2207 static bool trans_MVTC_i(DisasContext *ctx, arg_MVTC_i *a) 2208 { 2209 TCGv imm; 2210 2211 imm = tcg_const_i32(a->imm); 2212 move_to_cr(ctx, imm, a->cr); 2213 tcg_temp_free(imm); 2214 return true; 2215 } 2216 2217 /* mvtc rs, rd */ 2218 static bool trans_MVTC_r(DisasContext *ctx, arg_MVTC_r *a) 2219 { 2220 move_to_cr(ctx, cpu_regs[a->rs], a->cr); 2221 return true; 2222 } 2223 2224 /* mvfc rs, rd */ 2225 static bool trans_MVFC(DisasContext *ctx, arg_MVFC *a) 2226 { 2227 move_from_cr(ctx, cpu_regs[a->rd], a->cr, ctx->pc); 2228 return true; 2229 } 2230 2231 /* rtfi */ 2232 static bool trans_RTFI(DisasContext *ctx, arg_RTFI *a) 2233 { 2234 TCGv psw; 2235 if (is_privileged(ctx, 1)) { 2236 psw = tcg_temp_new(); 2237 tcg_gen_mov_i32(cpu_pc, cpu_bpc); 2238 tcg_gen_mov_i32(psw, cpu_bpsw); 2239 gen_helper_set_psw_rte(cpu_env, psw); 2240 ctx->base.is_jmp = DISAS_EXIT; 2241 tcg_temp_free(psw); 2242 } 2243 return true; 2244 } 2245 2246 /* rte */ 2247 static bool trans_RTE(DisasContext *ctx, arg_RTE *a) 2248 { 2249 TCGv psw; 2250 if (is_privileged(ctx, 1)) { 2251 psw = tcg_temp_new(); 2252 pop(cpu_pc); 2253 pop(psw); 2254 gen_helper_set_psw_rte(cpu_env, psw); 2255 ctx->base.is_jmp = DISAS_EXIT; 2256 tcg_temp_free(psw); 2257 } 2258 return true; 2259 } 2260 2261 /* brk */ 2262 static bool trans_BRK(DisasContext *ctx, arg_BRK *a) 2263 { 2264 tcg_gen_movi_i32(cpu_pc, ctx->base.pc_next); 2265 gen_helper_rxbrk(cpu_env); 2266 ctx->base.is_jmp = DISAS_NORETURN; 2267 return true; 2268 } 2269 2270 /* int #imm */ 2271 static bool trans_INT(DisasContext *ctx, arg_INT *a) 2272 { 2273 TCGv vec; 2274 2275 tcg_debug_assert(a->imm < 0x100); 2276 vec = tcg_const_i32(a->imm); 2277 tcg_gen_movi_i32(cpu_pc, ctx->base.pc_next); 2278 gen_helper_rxint(cpu_env, vec); 2279 tcg_temp_free(vec); 2280 ctx->base.is_jmp = DISAS_NORETURN; 2281 return true; 2282 } 2283 2284 /* wait */ 2285 static bool trans_WAIT(DisasContext *ctx, arg_WAIT *a) 2286 { 2287 if (is_privileged(ctx, 1)) { 2288 tcg_gen_movi_i32(cpu_pc, ctx->base.pc_next); 2289 gen_helper_wait(cpu_env); 2290 } 2291 return true; 2292 } 2293 2294 static void rx_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) 2295 { 2296 CPURXState *env = cs->env_ptr; 2297 DisasContext *ctx = container_of(dcbase, DisasContext, base); 2298 ctx->env = env; 2299 ctx->tb_flags = ctx->base.tb->flags; 2300 } 2301 2302 static void rx_tr_tb_start(DisasContextBase *dcbase, CPUState *cs) 2303 { 2304 } 2305 2306 static void rx_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) 2307 { 2308 DisasContext *ctx = container_of(dcbase, DisasContext, base); 2309 2310 tcg_gen_insn_start(ctx->base.pc_next); 2311 } 2312 2313 static void rx_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) 2314 { 2315 DisasContext *ctx = container_of(dcbase, DisasContext, base); 2316 uint32_t insn; 2317 2318 ctx->pc = ctx->base.pc_next; 2319 insn = decode_load(ctx); 2320 if (!decode(ctx, insn)) { 2321 gen_helper_raise_illegal_instruction(cpu_env); 2322 } 2323 } 2324 2325 static void rx_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) 2326 { 2327 DisasContext *ctx = container_of(dcbase, DisasContext, base); 2328 2329 switch (ctx->base.is_jmp) { 2330 case DISAS_NEXT: 2331 case DISAS_TOO_MANY: 2332 gen_goto_tb(ctx, 0, dcbase->pc_next); 2333 break; 2334 case DISAS_JUMP: 2335 tcg_gen_lookup_and_goto_ptr(); 2336 break; 2337 case DISAS_UPDATE: 2338 tcg_gen_movi_i32(cpu_pc, ctx->base.pc_next); 2339 /* fall through */ 2340 case DISAS_EXIT: 2341 tcg_gen_exit_tb(NULL, 0); 2342 break; 2343 case DISAS_NORETURN: 2344 break; 2345 default: 2346 g_assert_not_reached(); 2347 } 2348 } 2349 2350 static void rx_tr_disas_log(const DisasContextBase *dcbase, 2351 CPUState *cs, FILE *logfile) 2352 { 2353 fprintf(logfile, "IN: %s\n", lookup_symbol(dcbase->pc_first)); 2354 target_disas(logfile, cs, dcbase->pc_first, dcbase->tb->size); 2355 } 2356 2357 static const TranslatorOps rx_tr_ops = { 2358 .init_disas_context = rx_tr_init_disas_context, 2359 .tb_start = rx_tr_tb_start, 2360 .insn_start = rx_tr_insn_start, 2361 .translate_insn = rx_tr_translate_insn, 2362 .tb_stop = rx_tr_tb_stop, 2363 .disas_log = rx_tr_disas_log, 2364 }; 2365 2366 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns, 2367 target_ulong pc, void *host_pc) 2368 { 2369 DisasContext dc; 2370 2371 translator_loop(cs, tb, max_insns, pc, host_pc, &rx_tr_ops, &dc.base); 2372 } 2373 2374 #define ALLOC_REGISTER(sym, name) \ 2375 cpu_##sym = tcg_global_mem_new_i32(cpu_env, \ 2376 offsetof(CPURXState, sym), name) 2377 2378 void rx_translate_init(void) 2379 { 2380 static const char * const regnames[NUM_REGS] = { 2381 "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", 2382 "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15" 2383 }; 2384 int i; 2385 2386 for (i = 0; i < NUM_REGS; i++) { 2387 cpu_regs[i] = tcg_global_mem_new_i32(cpu_env, 2388 offsetof(CPURXState, regs[i]), 2389 regnames[i]); 2390 } 2391 ALLOC_REGISTER(pc, "PC"); 2392 ALLOC_REGISTER(psw_o, "PSW(O)"); 2393 ALLOC_REGISTER(psw_s, "PSW(S)"); 2394 ALLOC_REGISTER(psw_z, "PSW(Z)"); 2395 ALLOC_REGISTER(psw_c, "PSW(C)"); 2396 ALLOC_REGISTER(psw_u, "PSW(U)"); 2397 ALLOC_REGISTER(psw_i, "PSW(I)"); 2398 ALLOC_REGISTER(psw_pm, "PSW(PM)"); 2399 ALLOC_REGISTER(psw_ipl, "PSW(IPL)"); 2400 ALLOC_REGISTER(usp, "USP"); 2401 ALLOC_REGISTER(fpsw, "FPSW"); 2402 ALLOC_REGISTER(bpsw, "BPSW"); 2403 ALLOC_REGISTER(bpc, "BPC"); 2404 ALLOC_REGISTER(isp, "ISP"); 2405 ALLOC_REGISTER(fintv, "FINTV"); 2406 ALLOC_REGISTER(intb, "INTB"); 2407 cpu_acc = tcg_global_mem_new_i64(cpu_env, 2408 offsetof(CPURXState, acc), "ACC"); 2409 } 2410