2 * MIPS emulation micro-operations for qemu.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2006 Marius Groeger (FPU operations)
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 #define CALL_FROM_TB0(func) func();
29 #define CALL_FROM_TB1(func, arg0) func(arg0);
31 #ifndef CALL_FROM_TB1_CONST16
32 #define CALL_FROM_TB1_CONST16(func, arg0) CALL_FROM_TB1(func, arg0);
35 #define CALL_FROM_TB2(func, arg0, arg1) func(arg0, arg1);
37 #ifndef CALL_FROM_TB2_CONST16
38 #define CALL_FROM_TB2_CONST16(func, arg0, arg1) \
39 CALL_FROM_TB2(func, arg0, arg1);
42 #define CALL_FROM_TB3(func, arg0, arg1, arg2) func(arg0, arg1, arg2);
45 #define CALL_FROM_TB4(func, arg0, arg1, arg2, arg3) \
46 func(arg0, arg1, arg2, arg3);
50 #include "op_template.c"
53 #include "op_template.c"
56 #include "op_template.c"
59 #include "op_template.c"
62 #include "op_template.c"
65 #include "op_template.c"
68 #include "op_template.c"
71 #include "op_template.c"
74 #include "op_template.c"
77 #include "op_template.c"
80 #include "op_template.c"
83 #include "op_template.c"
86 #include "op_template.c"
89 #include "op_template.c"
92 #include "op_template.c"
95 #include "op_template.c"
98 #include "op_template.c"
101 #include "op_template.c"
104 #include "op_template.c"
107 #include "op_template.c"
110 #include "op_template.c"
113 #include "op_template.c"
116 #include "op_template.c"
119 #include "op_template.c"
122 #include "op_template.c"
125 #include "op_template.c"
128 #include "op_template.c"
131 #include "op_template.c"
134 #include "op_template.c"
137 #include "op_template.c"
140 #include "op_template.c"
144 #include "op_template.c"
149 #include "fop_template.c"
153 #include "fop_template.c"
157 #include "fop_template.c"
161 #include "fop_template.c"
165 #include "fop_template.c"
169 #include "fop_template.c"
173 #include "fop_template.c"
177 #include "fop_template.c"
181 #include "fop_template.c"
185 #include "fop_template.c"
189 #include "fop_template.c"
193 #include "fop_template.c"
197 #include "fop_template.c"
201 #include "fop_template.c"
205 #include "fop_template.c"
209 #include "fop_template.c"
213 #include "fop_template.c"
217 #include "fop_template.c"
221 #include "fop_template.c"
225 #include "fop_template.c"
229 #include "fop_template.c"
233 #include "fop_template.c"
237 #include "fop_template.c"
241 #include "fop_template.c"
245 #include "fop_template.c"
249 #include "fop_template.c"
253 #include "fop_template.c"
257 #include "fop_template.c"
261 #include "fop_template.c"
265 #include "fop_template.c"
269 #include "fop_template.c"
273 #include "fop_template.c"
277 #include "fop_template.c"
280 void op_dup_T0 (void)
286 void op_load_HI (void)
292 void op_store_HI (void)
298 void op_load_LO (void)
304 void op_store_LO (void)
311 #define MEMSUFFIX _raw
314 #if !defined(CONFIG_USER_ONLY)
315 #define MEMSUFFIX _user
319 #define MEMSUFFIX _kernel
327 T0 = (int32_t)((int32_t)T0 + (int32_t)T1);
336 T0 = (int32_t)T0 + (int32_t)T1;
337 if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 31) {
338 /* operands of same sign, result different sign */
339 CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
347 T0 = (int32_t)((int32_t)T0 - (int32_t)T1);
356 T0 = (int32_t)T0 - (int32_t)T1;
357 if (((tmp ^ T1) & (tmp ^ T0)) >> 31) {
358 /* operands of different sign, first operand and result different sign */
359 CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
367 T0 = (int32_t)((int32_t)T0 * (int32_t)T1);
374 env->LO = (int32_t)((int32_t)T0 / (int32_t)T1);
375 env->HI = (int32_t)((int32_t)T0 % (int32_t)T1);
383 env->LO = (int32_t)((uint32_t)T0 / (uint32_t)T1);
384 env->HI = (int32_t)((uint32_t)T0 % (uint32_t)T1);
403 if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 63) {
404 /* operands of same sign, result different sign */
405 CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
421 T0 = (int64_t)T0 - (int64_t)T1;
422 if (((tmp ^ T1) & (tmp ^ T0)) >> 63) {
423 /* operands of different sign, first operand and result different sign */
424 CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW);
431 T0 = (int64_t)T0 * (int64_t)T1;
435 #if TARGET_LONG_BITS > HOST_LONG_BITS
436 /* Those might call libgcc functions. */
452 env->LO = (int64_t)T0 / (int64_t)T1;
453 env->HI = (int64_t)T0 % (int64_t)T1;
467 #endif /* TARGET_MIPS64 */
496 T0 = (int32_t)((uint32_t)T0 << (uint32_t)T1);
502 T0 = (int32_t)((int32_t)T0 >> (uint32_t)T1);
508 T0 = (int32_t)((uint32_t)T0 >> (uint32_t)T1);
517 tmp = (int32_t)((uint32_t)T0 << (0x20 - (uint32_t)T1));
518 T0 = (int32_t)((uint32_t)T0 >> (uint32_t)T1) | tmp;
526 T0 = (int32_t)((uint32_t)T1 << ((uint32_t)T0 & 0x1F));
532 T0 = (int32_t)((int32_t)T1 >> (T0 & 0x1F));
538 T0 = (int32_t)((uint32_t)T1 >> (T0 & 0x1F));
548 tmp = (int32_t)((uint32_t)T1 << (0x20 - T0));
549 T0 = (int32_t)((uint32_t)T1 >> T0) | tmp;
559 if (T0 == ~((target_ulong)0)) {
562 for (n = 0; n < 32; n++) {
563 if (!(T0 & (1 << 31)))
579 for (n = 0; n < 32; n++) {
591 #if TARGET_LONG_BITS > HOST_LONG_BITS
592 /* Those might call libgcc functions. */
595 CALL_FROM_TB0(do_dsll);
599 void op_dsll32 (void)
601 CALL_FROM_TB0(do_dsll32);
607 CALL_FROM_TB0(do_dsra);
611 void op_dsra32 (void)
613 CALL_FROM_TB0(do_dsra32);
619 CALL_FROM_TB0(do_dsrl);
623 void op_dsrl32 (void)
625 CALL_FROM_TB0(do_dsrl32);
631 CALL_FROM_TB0(do_drotr);
635 void op_drotr32 (void)
637 CALL_FROM_TB0(do_drotr32);
643 CALL_FROM_TB0(do_dsllv);
649 CALL_FROM_TB0(do_dsrav);
655 CALL_FROM_TB0(do_dsrlv);
659 void op_drotrv (void)
661 CALL_FROM_TB0(do_drotrv);
665 #else /* TARGET_LONG_BITS > HOST_LONG_BITS */
673 void op_dsll32 (void)
675 T0 = T0 << (T1 + 32);
681 T0 = (int64_t)T0 >> T1;
685 void op_dsra32 (void)
687 T0 = (int64_t)T0 >> (T1 + 32);
697 void op_dsrl32 (void)
699 T0 = T0 >> (T1 + 32);
708 tmp = T0 << (0x40 - T1);
709 T0 = (T0 >> T1) | tmp;
715 void op_drotr32 (void)
720 tmp = T0 << (0x40 - (32 + T1));
721 T0 = (T0 >> (32 + T1)) | tmp;
729 T0 = T1 << (T0 & 0x3F);
735 T0 = (int64_t)T1 >> (T0 & 0x3F);
741 T0 = T1 >> (T0 & 0x3F);
745 void op_drotrv (void)
751 tmp = T1 << (0x40 - T0);
752 T0 = (T1 >> T0) | tmp;
757 #endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
763 if (T0 == ~((target_ulong)0)) {
766 for (n = 0; n < 64; n++) {
767 if (!(T0 & (1ULL << 63)))
783 for (n = 0; n < 64; n++) {
784 if (T0 & (1ULL << 63))
794 /* 64 bits arithmetic */
795 #if TARGET_LONG_BITS > HOST_LONG_BITS
798 CALL_FROM_TB0(do_mult);
804 CALL_FROM_TB0(do_multu);
810 CALL_FROM_TB0(do_madd);
816 CALL_FROM_TB0(do_maddu);
822 CALL_FROM_TB0(do_msub);
828 CALL_FROM_TB0(do_msubu);
832 #else /* TARGET_LONG_BITS > HOST_LONG_BITS */
834 static inline uint64_t get_HILO (void)
836 return ((uint64_t)env->HI << 32) | ((uint64_t)(uint32_t)env->LO);
839 static inline void set_HILO (uint64_t HILO)
841 env->LO = (int32_t)(HILO & 0xFFFFFFFF);
842 env->HI = (int32_t)(HILO >> 32);
847 set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
853 set_HILO((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
861 tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
862 set_HILO((int64_t)get_HILO() + tmp);
870 tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
871 set_HILO(get_HILO() + tmp);
879 tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1);
880 set_HILO((int64_t)get_HILO() - tmp);
888 tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1);
889 set_HILO(get_HILO() - tmp);
892 #endif /* TARGET_LONG_BITS > HOST_LONG_BITS */
897 CALL_FROM_TB0(do_dmult);
901 void op_dmultu (void)
903 CALL_FROM_TB0(do_dmultu);
908 /* Conditional moves */
912 env->gpr[PARAM1] = T0;
919 env->gpr[PARAM1] = T0;
925 if (!(env->fcr31 & PARAM1))
926 env->gpr[PARAM2] = env->gpr[PARAM3];
932 if (env->fcr31 & PARAM1)
933 env->gpr[PARAM2] = env->gpr[PARAM3];
938 #define OP_COND(name, cond) \
939 void glue(op_, name) (void) \
949 OP_COND(eq, T0 == T1);
950 OP_COND(ne, T0 != T1);
951 OP_COND(ge, (int32_t)T0 >= (int32_t)T1);
952 OP_COND(geu, T0 >= T1);
953 OP_COND(lt, (int32_t)T0 < (int32_t)T1);
954 OP_COND(ltu, T0 < T1);
955 OP_COND(gez, (int32_t)T0 >= 0);
956 OP_COND(gtz, (int32_t)T0 > 0);
957 OP_COND(lez, (int32_t)T0 <= 0);
958 OP_COND(ltz, (int32_t)T0 < 0);
961 //#undef USE_DIRECT_JUMP
963 void OPPROTO op_goto_tb0(void)
965 GOTO_TB(op_goto_tb0, PARAM1, 0);
969 void OPPROTO op_goto_tb1(void)
971 GOTO_TB(op_goto_tb1, PARAM1, 1);
975 /* Branch to register */
976 void op_save_breg_target (void)
982 void op_restore_breg_target (void)
994 void op_save_btarget (void)
996 env->btarget = PARAM1;
1000 /* Conditional branch */
1001 void op_set_bcond (void)
1007 void op_save_bcond (void)
1013 void op_restore_bcond (void)
1019 void op_jnz_T2 (void)
1022 GOTO_LABEL_PARAM(1);
1027 void op_mfc0_index (void)
1029 T0 = env->CP0_Index;
1033 void op_mfc0_random (void)
1035 CALL_FROM_TB0(do_mfc0_random);
1039 void op_mfc0_entrylo0 (void)
1041 T0 = (int32_t)env->CP0_EntryLo0;
1045 void op_mfc0_entrylo1 (void)
1047 T0 = (int32_t)env->CP0_EntryLo1;
1051 void op_mfc0_context (void)
1053 T0 = (int32_t)env->CP0_Context;
1057 void op_mfc0_pagemask (void)
1059 T0 = env->CP0_PageMask;
1063 void op_mfc0_pagegrain (void)
1065 T0 = env->CP0_PageGrain;
1069 void op_mfc0_wired (void)
1071 T0 = env->CP0_Wired;
1075 void op_mfc0_hwrena (void)
1077 T0 = env->CP0_HWREna;
1081 void op_mfc0_badvaddr (void)
1083 T0 = (int32_t)env->CP0_BadVAddr;
1087 void op_mfc0_count (void)
1089 CALL_FROM_TB0(do_mfc0_count);
1093 void op_mfc0_entryhi (void)
1095 T0 = (int32_t)env->CP0_EntryHi;
1099 void op_mfc0_compare (void)
1101 T0 = env->CP0_Compare;
1105 void op_mfc0_status (void)
1107 T0 = env->CP0_Status;
1111 void op_mfc0_intctl (void)
1113 T0 = env->CP0_IntCtl;
1117 void op_mfc0_srsctl (void)
1119 T0 = env->CP0_SRSCtl;
1123 void op_mfc0_srsmap (void)
1125 T0 = env->CP0_SRSMap;
1129 void op_mfc0_cause (void)
1131 T0 = env->CP0_Cause;
1135 void op_mfc0_epc (void)
1137 T0 = (int32_t)env->CP0_EPC;
1141 void op_mfc0_prid (void)
1147 void op_mfc0_ebase (void)
1149 T0 = env->CP0_EBase;
1153 void op_mfc0_config0 (void)
1155 T0 = env->CP0_Config0;
1159 void op_mfc0_config1 (void)
1161 T0 = env->CP0_Config1;
1165 void op_mfc0_config2 (void)
1167 T0 = env->CP0_Config2;
1171 void op_mfc0_config3 (void)
1173 T0 = env->CP0_Config3;
1177 void op_mfc0_config6 (void)
1179 T0 = env->CP0_Config6;
1183 void op_mfc0_config7 (void)
1185 T0 = env->CP0_Config7;
1189 void op_mfc0_lladdr (void)
1191 T0 = (int32_t)env->CP0_LLAddr >> 4;
1195 void op_mfc0_watchlo0 (void)
1197 T0 = (int32_t)env->CP0_WatchLo;
1201 void op_mfc0_watchhi0 (void)
1203 T0 = env->CP0_WatchHi;
1207 void op_mfc0_xcontext (void)
1209 T0 = (int32_t)env->CP0_XContext;
1213 void op_mfc0_framemask (void)
1215 T0 = env->CP0_Framemask;
1219 void op_mfc0_debug (void)
1221 T0 = env->CP0_Debug;
1222 if (env->hflags & MIPS_HFLAG_DM)
1223 T0 |= 1 << CP0DB_DM;
1227 void op_mfc0_depc (void)
1229 T0 = (int32_t)env->CP0_DEPC;
1233 void op_mfc0_performance0 (void)
1235 T0 = env->CP0_Performance0;
1239 void op_mfc0_taglo (void)
1241 T0 = env->CP0_TagLo;
1245 void op_mfc0_datalo (void)
1247 T0 = env->CP0_DataLo;
1251 void op_mfc0_taghi (void)
1253 T0 = env->CP0_TagHi;
1257 void op_mfc0_datahi (void)
1259 T0 = env->CP0_DataHi;
1263 void op_mfc0_errorepc (void)
1265 T0 = (int32_t)env->CP0_ErrorEPC;
1269 void op_mfc0_desave (void)
1271 T0 = env->CP0_DESAVE;
1275 void op_mtc0_index (void)
1277 env->CP0_Index = (env->CP0_Index & 0x80000000) | (T0 & (MIPS_TLB_NB - 1));
1281 void op_mtc0_entrylo0 (void)
1283 /* Large physaddr not implemented */
1284 /* 1k pages not implemented */
1285 env->CP0_EntryLo0 = (int32_t)T0 & 0x3FFFFFFF;
1289 void op_mtc0_entrylo1 (void)
1291 /* Large physaddr not implemented */
1292 /* 1k pages not implemented */
1293 env->CP0_EntryLo1 = (int32_t)T0 & 0x3FFFFFFF;
1297 void op_mtc0_context (void)
1299 env->CP0_Context = (env->CP0_Context & ~0x007FFFFF) | (T0 & 0x007FFFF0);
1303 void op_mtc0_pagemask (void)
1305 /* 1k pages not implemented */
1306 env->CP0_PageMask = T0 & 0x1FFFE000;
1310 void op_mtc0_pagegrain (void)
1312 /* SmartMIPS not implemented */
1313 /* Large physaddr not implemented */
1314 /* 1k pages not implemented */
1315 env->CP0_PageGrain = 0;
1319 void op_mtc0_wired (void)
1321 env->CP0_Wired = T0 & (MIPS_TLB_NB - 1);
1325 void op_mtc0_hwrena (void)
1327 env->CP0_HWREna = T0 & 0x0000000F;
1331 void op_mtc0_count (void)
1333 CALL_FROM_TB2(cpu_mips_store_count, env, T0);
1337 void op_mtc0_entryhi (void)
1339 target_ulong old, val;
1341 /* 1k pages not implemented */
1342 /* Ignore MIPS64 TLB for now */
1343 val = (target_ulong)(int32_t)T0 & ~(target_ulong)0x1F00;
1344 old = env->CP0_EntryHi;
1345 env->CP0_EntryHi = val;
1346 /* If the ASID changes, flush qemu's TLB. */
1347 if ((old & 0xFF) != (val & 0xFF))
1348 CALL_FROM_TB2(cpu_mips_tlb_flush, env, 1);
1352 void op_mtc0_compare (void)
1354 CALL_FROM_TB2(cpu_mips_store_compare, env, T0);
1358 void op_mtc0_status (void)
1362 /* No 64bit FPU, no reverse endianness, no MDMX/DSP, no 64bit ops,
1363 no 64bit addressing implemented. */
1364 val = (int32_t)T0 & 0xF878FF17;
1365 old = env->CP0_Status;
1366 env->CP0_Status = val;
1367 if (loglevel & CPU_LOG_TB_IN_ASM)
1368 CALL_FROM_TB2(do_mtc0_status_debug, old, val);
1369 CALL_FROM_TB1(cpu_mips_update_irq, env);
1373 void op_mtc0_intctl (void)
1375 /* vectored interrupts not implemented */
1376 env->CP0_IntCtl = 0;
1380 void op_mtc0_srsctl (void)
1382 /* shadow registers not implemented */
1383 env->CP0_SRSCtl = 0;
1387 void op_mtc0_srsmap (void)
1389 /* shadow registers not implemented */
1390 env->CP0_SRSMap = 0;
1394 void op_mtc0_cause (void)
1396 uint32_t mask = 0x00C00300;
1398 if ((env->CP0_Config0 & (0x7 << CP0C0_AR)) == (1 << CP0C0_AR))
1399 mask |= 1 << CP0Ca_DC;
1401 env->CP0_Cause = (env->CP0_Cause & 0xFCC0FF7C) | (T0 & mask);
1403 /* Handle the software interrupt as an hardware one, as they
1405 if (T0 & CP0Ca_IP_mask) {
1406 CALL_FROM_TB1(cpu_mips_update_irq, env);
1411 void op_mtc0_epc (void)
1413 env->CP0_EPC = (int32_t)T0;
1417 void op_mtc0_ebase (void)
1419 /* vectored interrupts not implemented */
1420 /* Multi-CPU not implemented */
1421 env->CP0_EBase = 0x80000000 | (T0 & 0x3FFFF000);
1425 void op_mtc0_config0 (void)
1427 #if defined(MIPS_USES_R4K_TLB)
1428 /* Fixed mapping MMU not implemented */
1429 env->CP0_Config0 = (env->CP0_Config0 & 0x8017FF88) | (T0 & 0x00000001);
1431 env->CP0_Config0 = (env->CP0_Config0 & 0xFE17FF88) | (T0 & 0x00000001);
1436 void op_mtc0_config2 (void)
1438 /* tertiary/secondary caches not implemented */
1439 env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
1443 void op_mtc0_watchlo0 (void)
1445 env->CP0_WatchLo = (int32_t)T0;
1449 void op_mtc0_watchhi0 (void)
1451 env->CP0_WatchHi = T0 & 0x40FF0FF8;
1455 void op_mtc0_xcontext (void)
1457 env->CP0_XContext = (int32_t)T0; /* XXX */
1461 void op_mtc0_framemask (void)
1463 env->CP0_Framemask = T0; /* XXX */
1467 void op_mtc0_debug (void)
1469 env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (T0 & 0x13300120);
1470 if (T0 & (1 << CP0DB_DM))
1471 env->hflags |= MIPS_HFLAG_DM;
1473 env->hflags &= ~MIPS_HFLAG_DM;
1477 void op_mtc0_depc (void)
1479 env->CP0_DEPC = (int32_t)T0;
1483 void op_mtc0_performance0 (void)
1485 env->CP0_Performance0 = T0; /* XXX */
1489 void op_mtc0_taglo (void)
1491 env->CP0_TagLo = T0 & 0xFFFFFCF6;
1495 void op_mtc0_datalo (void)
1497 env->CP0_DataLo = T0; /* XXX */
1501 void op_mtc0_taghi (void)
1503 env->CP0_TagHi = T0; /* XXX */
1507 void op_mtc0_datahi (void)
1509 env->CP0_DataHi = T0; /* XXX */
1513 void op_mtc0_errorepc (void)
1515 env->CP0_ErrorEPC = (int32_t)T0;
1519 void op_mtc0_desave (void)
1521 env->CP0_DESAVE = T0;
1525 void op_dmfc0_entrylo0 (void)
1527 T0 = env->CP0_EntryLo0;
1531 void op_dmfc0_entrylo1 (void)
1533 T0 = env->CP0_EntryLo1;
1537 void op_dmfc0_context (void)
1539 T0 = env->CP0_Context;
1543 void op_dmfc0_badvaddr (void)
1545 T0 = env->CP0_BadVAddr;
1549 void op_dmfc0_entryhi (void)
1551 T0 = env->CP0_EntryHi;
1555 void op_dmfc0_epc (void)
1561 void op_dmfc0_lladdr (void)
1563 T0 = env->CP0_LLAddr >> 4;
1567 void op_dmfc0_watchlo0 (void)
1569 T0 = env->CP0_WatchLo;
1573 void op_dmfc0_xcontext (void)
1575 T0 = env->CP0_XContext;
1579 void op_dmfc0_depc (void)
1585 void op_dmfc0_errorepc (void)
1587 T0 = env->CP0_ErrorEPC;
1591 void op_dmtc0_entrylo0 (void)
1593 /* Large physaddr not implemented */
1594 /* 1k pages not implemented */
1595 env->CP0_EntryLo0 = T0 & 0x3FFFFFFF;
1599 void op_dmtc0_entrylo1 (void)
1601 /* Large physaddr not implemented */
1602 /* 1k pages not implemented */
1603 env->CP0_EntryLo1 = T0 & 0x3FFFFFFF;
1607 void op_dmtc0_context (void)
1609 env->CP0_Context = (env->CP0_Context & ~0x007FFFFF) | (T0 & 0x007FFFF0);
1613 void op_dmtc0_epc (void)
1619 void op_dmtc0_watchlo0 (void)
1621 env->CP0_WatchLo = T0;
1625 void op_dmtc0_xcontext (void)
1627 env->CP0_XContext = T0; /* XXX */
1631 void op_dmtc0_depc (void)
1637 void op_dmtc0_errorepc (void)
1639 env->CP0_ErrorEPC = T0;
1644 # define DEBUG_FPU_STATE() CALL_FROM_TB1(dump_fpu, env)
1646 # define DEBUG_FPU_STATE() do { } while(0)
1649 void op_cp0_enabled(void)
1651 if (!(env->CP0_Status & (1 << CP0St_CU0)) &&
1652 (env->hflags & MIPS_HFLAG_UM)) {
1653 CALL_FROM_TB2(do_raise_exception_direct_err, EXCP_CpU, 0);
1658 void op_cp1_enabled(void)
1660 if (!(env->CP0_Status & (1 << CP0St_CU1))) {
1661 CALL_FROM_TB2(do_raise_exception_direct_err, EXCP_CpU, 1);
1673 /* fetch fcr31, masking unused bits */
1674 T0 = env->fcr31 & 0x0183FFFF;
1680 /* convert MIPS rounding mode in FCR31 to IEEE library */
1681 unsigned int ieee_rm[] = {
1682 float_round_nearest_even,
1683 float_round_to_zero,
1688 #define RESTORE_ROUNDING_MODE \
1689 set_float_rounding_mode(ieee_rm[env->fcr31 & 3], &env->fp_status)
1694 /* XXX should this throw an exception?
1695 * don't write to FCR0.
1700 /* store new fcr31, masking unused bits */
1701 env->fcr31 = T0 & 0x0183FFFF;
1703 /* set rounding mode */
1704 RESTORE_ROUNDING_MODE;
1706 #ifndef CONFIG_SOFTFLOAT
1707 /* no floating point exception for native float */
1708 SET_FP_ENABLE(env->fcr31, 0);
1730 Single precition routines have a "s" suffix, double precision a
1733 #define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void)
1737 FDT2 = float32_to_float64(FST0, &env->fp_status);
1743 FDT2 = int32_to_float64(WT0, &env->fp_status);
1749 FST2 = float64_to_float32(FDT0, &env->fp_status);
1755 FST2 = int32_to_float32(WT0, &env->fp_status);
1761 WT2 = float32_to_int32(FST0, &env->fp_status);
1767 WT2 = float64_to_int32(FDT0, &env->fp_status);
1774 set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
1775 WT2 = float64_round_to_int(FDT0, &env->fp_status);
1776 RESTORE_ROUNDING_MODE;
1783 set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
1784 WT2 = float32_round_to_int(FST0, &env->fp_status);
1785 RESTORE_ROUNDING_MODE;
1792 WT2 = float64_to_int32_round_to_zero(FDT0, &env->fp_status);
1798 WT2 = float32_to_int32_round_to_zero(FST0, &env->fp_status);
1805 set_float_rounding_mode(float_round_up, &env->fp_status);
1806 WT2 = float64_round_to_int(FDT0, &env->fp_status);
1807 RESTORE_ROUNDING_MODE;
1814 set_float_rounding_mode(float_round_up, &env->fp_status);
1815 WT2 = float32_round_to_int(FST0, &env->fp_status);
1816 RESTORE_ROUNDING_MODE;
1823 set_float_rounding_mode(float_round_down, &env->fp_status);
1824 WT2 = float64_round_to_int(FDT0, &env->fp_status);
1825 RESTORE_ROUNDING_MODE;
1832 set_float_rounding_mode(float_round_down, &env->fp_status);
1833 WT2 = float32_round_to_int(FST0, &env->fp_status);
1834 RESTORE_ROUNDING_MODE;
1839 /* binary operations */
1840 #define FLOAT_BINOP(name) \
1843 FDT2 = float64_ ## name (FDT0, FDT1, &env->fp_status); \
1844 DEBUG_FPU_STATE(); \
1848 FST2 = float32_ ## name (FST0, FST1, &env->fp_status); \
1849 DEBUG_FPU_STATE(); \
1857 /* unary operations, modifying fp status */
1858 #define FLOAT_UNOP(name) \
1861 FDT2 = float64_ ## name(FDT0, &env->fp_status); \
1862 DEBUG_FPU_STATE(); \
1866 FST2 = float32_ ## name(FST0, &env->fp_status); \
1867 DEBUG_FPU_STATE(); \
1872 /* unary operations, not modifying fp status */
1873 #define FLOAT_UNOP(name) \
1876 FDT2 = float64_ ## name(FDT0); \
1877 DEBUG_FPU_STATE(); \
1881 FST2 = float32_ ## name(FST0); \
1882 DEBUG_FPU_STATE(); \
1901 #ifdef CONFIG_SOFTFLOAT
1902 #define clear_invalid() do { \
1903 int flags = get_float_exception_flags(&env->fp_status); \
1904 flags &= ~float_flag_invalid; \
1905 set_float_exception_flags(flags, &env->fp_status); \
1908 #define clear_invalid() do { } while(0)
1911 extern void dump_fpu_s(CPUState *env);
1913 #define FOP_COND(fmt, op, sig, cond) \
1914 void op_cmp_ ## fmt ## _ ## op (void) \
1917 SET_FP_COND(env->fcr31); \
1919 CLEAR_FP_COND(env->fcr31); \
1922 /*CALL_FROM_TB1(dump_fpu_s, env);*/ \
1923 DEBUG_FPU_STATE(); \
1927 int float64_is_unordered(float64 a, float64 b STATUS_PARAM)
1929 if (float64_is_nan(a) || float64_is_nan(b)) {
1930 float_raise(float_flag_invalid, status);
1938 FOP_COND(d, f, 0, 0)
1939 FOP_COND(d, un, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status))
1940 FOP_COND(d, eq, 0, float64_eq(FDT0, FDT1, &env->fp_status))
1941 FOP_COND(d, ueq, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_eq(FDT0, FDT1, &env->fp_status))
1942 FOP_COND(d, olt, 0, float64_lt(FDT0, FDT1, &env->fp_status))
1943 FOP_COND(d, ult, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_lt(FDT0, FDT1, &env->fp_status))
1944 FOP_COND(d, ole, 0, float64_le(FDT0, FDT1, &env->fp_status))
1945 FOP_COND(d, ule, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_le(FDT0, FDT1, &env->fp_status))
1946 /* NOTE: the comma operator will make "cond" to eval to false,
1947 * but float*_is_unordered() is still called
1949 FOP_COND(d, sf, 1, (float64_is_unordered(FDT0, FDT1, &env->fp_status), 0))
1950 FOP_COND(d, ngle,1, float64_is_unordered(FDT1, FDT0, &env->fp_status))
1951 FOP_COND(d, seq, 1, float64_eq(FDT0, FDT1, &env->fp_status))
1952 FOP_COND(d, ngl, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_eq(FDT0, FDT1, &env->fp_status))
1953 FOP_COND(d, lt, 1, float64_lt(FDT0, FDT1, &env->fp_status))
1954 FOP_COND(d, nge, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_lt(FDT0, FDT1, &env->fp_status))
1955 FOP_COND(d, le, 1, float64_le(FDT0, FDT1, &env->fp_status))
1956 FOP_COND(d, ngt, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_le(FDT0, FDT1, &env->fp_status))
1958 flag float32_is_unordered(float32 a, float32 b STATUS_PARAM)
1960 extern flag float32_is_nan( float32 a );
1961 if (float32_is_nan(a) || float32_is_nan(b)) {
1962 float_raise(float_flag_invalid, status);
1970 /* NOTE: the comma operator will make "cond" to eval to false,
1971 * but float*_is_unordered() is still called
1973 FOP_COND(s, f, 0, 0)
1974 FOP_COND(s, un, 0, float32_is_unordered(FST1, FST0, &env->fp_status))
1975 FOP_COND(s, eq, 0, float32_eq(FST0, FST1, &env->fp_status))
1976 FOP_COND(s, ueq, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_eq(FST0, FST1, &env->fp_status))
1977 FOP_COND(s, olt, 0, float32_lt(FST0, FST1, &env->fp_status))
1978 FOP_COND(s, ult, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_lt(FST0, FST1, &env->fp_status))
1979 FOP_COND(s, ole, 0, float32_le(FST0, FST1, &env->fp_status))
1980 FOP_COND(s, ule, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_le(FST0, FST1, &env->fp_status))
1981 /* NOTE: the comma operator will make "cond" to eval to false,
1982 * but float*_is_unordered() is still called
1984 FOP_COND(s, sf, 1, (float32_is_unordered(FST0, FST1, &env->fp_status), 0))
1985 FOP_COND(s, ngle,1, float32_is_unordered(FST1, FST0, &env->fp_status))
1986 FOP_COND(s, seq, 1, float32_eq(FST0, FST1, &env->fp_status))
1987 FOP_COND(s, ngl, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_eq(FST0, FST1, &env->fp_status))
1988 FOP_COND(s, lt, 1, float32_lt(FST0, FST1, &env->fp_status))
1989 FOP_COND(s, nge, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_lt(FST0, FST1, &env->fp_status))
1990 FOP_COND(s, le, 1, float32_le(FST0, FST1, &env->fp_status))
1991 FOP_COND(s, ngt, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_le(FST0, FST1, &env->fp_status))
1995 T0 = ! IS_FP_COND_SET(env->fcr31);
2002 T0 = IS_FP_COND_SET(env->fcr31);
2007 #if defined(MIPS_USES_R4K_TLB)
2008 void op_tlbwi (void)
2010 CALL_FROM_TB0(do_tlbwi);
2014 void op_tlbwr (void)
2016 CALL_FROM_TB0(do_tlbwr);
2022 CALL_FROM_TB0(do_tlbp);
2028 CALL_FROM_TB0(do_tlbr);
2034 #if defined (CONFIG_USER_ONLY)
2035 void op_tls_value (void)
2037 T0 = env->tls_value;
2043 CALL_FROM_TB1(do_pmon, PARAM1);
2049 T0 = env->CP0_Status;
2050 env->CP0_Status = T0 & ~(1 << CP0St_IE);
2051 CALL_FROM_TB1(cpu_mips_update_irq, env);
2057 T0 = env->CP0_Status;
2058 env->CP0_Status = T0 | (1 << CP0St_IE);
2059 CALL_FROM_TB1(cpu_mips_update_irq, env);
2066 CALL_FROM_TB1(do_raise_exception_direct, EXCP_TRAP);
2071 void op_debug (void)
2073 CALL_FROM_TB1(do_raise_exception, EXCP_DEBUG);
2077 void op_set_lladdr (void)
2079 env->CP0_LLAddr = T2;
2083 void debug_eret (void);
2086 CALL_FROM_TB0(debug_eret);
2087 if (env->CP0_Status & (1 << CP0St_ERL)) {
2088 env->PC = env->CP0_ErrorEPC;
2089 env->CP0_Status &= ~(1 << CP0St_ERL);
2091 env->PC = env->CP0_EPC;
2092 env->CP0_Status &= ~(1 << CP0St_EXL);
2094 if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
2095 !(env->CP0_Status & (1 << CP0St_ERL)) &&
2096 !(env->hflags & MIPS_HFLAG_DM) &&
2097 (env->CP0_Status & (1 << CP0St_UM)))
2098 env->hflags |= MIPS_HFLAG_UM;
2099 env->CP0_LLAddr = 1;
2103 void op_deret (void)
2105 CALL_FROM_TB0(debug_eret);
2106 env->PC = env->CP0_DEPC;
2107 env->hflags |= MIPS_HFLAG_DM;
2108 if (!(env->CP0_Status & (1 << CP0St_EXL)) &&
2109 !(env->CP0_Status & (1 << CP0St_ERL)) &&
2110 !(env->hflags & MIPS_HFLAG_DM) &&
2111 (env->CP0_Status & (1 << CP0St_UM)))
2112 env->hflags |= MIPS_HFLAG_UM;
2113 env->CP0_LLAddr = 1;
2117 void op_rdhwr_cpunum(void)
2119 if (env->CP0_HWREna & (1 << 0))
2120 T0 = env->CP0_EBase & 0x2ff;
2122 CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI);
2126 void op_rdhwr_synci_step(void)
2128 if (env->CP0_HWREna & (1 << 1))
2129 T0 = env->SYNCI_Step;
2131 CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI);
2135 void op_rdhwr_cc(void)
2137 if (env->CP0_HWREna & (1 << 2))
2138 T0 = env->CP0_Count;
2140 CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI);
2144 void op_rdhwr_ccres(void)
2146 if (env->CP0_HWREna & (1 << 3))
2149 CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI);
2153 void op_save_state (void)
2155 env->hflags = PARAM1;
2159 void op_save_pc (void)
2165 void op_raise_exception (void)
2167 CALL_FROM_TB1(do_raise_exception, PARAM1);
2171 void op_raise_exception_err (void)
2173 CALL_FROM_TB2(do_raise_exception_err, PARAM1, PARAM2);
2177 void op_exit_tb (void)
2186 CALL_FROM_TB1(do_raise_exception, EXCP_HLT);
2190 /* Bitfield operations. */
2193 unsigned int pos = PARAM1;
2194 unsigned int size = PARAM2;
2196 T0 = ((uint32_t)T1 >> pos) & ((1 << size) - 1);
2202 unsigned int pos = PARAM1;
2203 unsigned int size = PARAM2;
2204 target_ulong mask = ((1 << size) - 1) << pos;
2206 T0 = (T2 & ~mask) | (((uint32_t)T1 << pos) & mask);
2212 T0 = ((T1 << 8) & ~0x00FF00FF) | ((T1 >> 8) & 0x00FF00FF);
2216 #ifdef TARGET_MIPS64
2219 unsigned int pos = PARAM1;
2220 unsigned int size = PARAM2;
2222 T0 = (T1 >> pos) & ((1 << size) - 1);
2228 unsigned int pos = PARAM1;
2229 unsigned int size = PARAM2;
2230 target_ulong mask = ((1 << size) - 1) << pos;
2232 T0 = (T2 & ~mask) | ((T1 << pos) & mask);
2238 T0 = ((T1 << 8) & ~0x00FF00FF00FF00FFULL) | ((T1 >> 8) & 0x00FF00FF00FF00FFULL);
2244 T0 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL);
2251 T0 = ((T1 & 0xFF) ^ 0x80) - 0x80;
2257 T0 = ((T1 & 0xFFFF) ^ 0x8000) - 0x8000;