Commit 1ef59d0acf7c71e9b863bff904ceac74ce9bd107

Authored by bellard
1 parent 7fd7b91f

ppc fixes (Jocelyn Mayer)


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@765 c046a42c-6fe2-441c-8c8c-71466251a162
target-ppc/exec.h
... ... @@ -139,6 +139,8 @@ void do_sraw(void);
139 139  
140 140 void do_fctiw (void);
141 141 void do_fctiwz (void);
  142 +void do_fnmadds (void);
  143 +void do_fnmsubs (void);
142 144 void do_fsqrt (void);
143 145 void do_fsqrts (void);
144 146 void do_fres (void);
... ...
target-ppc/helper.c
... ... @@ -163,7 +163,6 @@ static int get_bat (CPUState *env, uint32_t *real, int *prot,
163 163 *BATu, *BATl, BEPIu, BEPIl, bl);
164 164 }
165 165 #endif
166   - env->spr[DAR] = virtual;
167 166 }
168 167 /* No hit */
169 168 return ret;
... ... @@ -543,12 +542,12 @@ int cpu_ppc_handle_mmu_fault (CPUState *env, uint32_t address, int rw,
543 542 access_type = env->access_type;
544 543 if (env->user_mode_only) {
545 544 /* user mode only emulation */
546   - ret = -1;
  545 + ret = -2;
547 546 goto do_fault;
548 547 }
549 548 /* NASTY BUG workaround */
550 549 if (access_type == ACCESS_CODE && rw) {
551   - // printf("%s: ERROR WRITE CODE ACCESS\n", __func__);
  550 + printf("%s: ERROR WRITE CODE ACCESS\n", __func__);
552 551 access_type = ACCESS_INT;
553 552 }
554 553 ret = get_physical_address(env, &physical, &prot,
... ... @@ -674,10 +673,10 @@ uint32_t _load_msr (CPUState *env)
674 673  
675 674 void _store_msr (CPUState *env, uint32_t value)
676 675 {
677   - if (((T0 >> MSR_IR) & 0x01) != msr_ir ||
678   - ((T0 >> MSR_DR) & 0x01) != msr_dr) {
  676 + if (((value >> MSR_IR) & 0x01) != msr_ir ||
  677 + ((value >> MSR_DR) & 0x01) != msr_dr) {
679 678 /* Flush all tlb when changing translation mode or privilege level */
680   - do_tlbia();
  679 + tlb_flush(env, 1);
681 680 }
682 681 msr_pow = (value >> MSR_POW) & 0x03;
683 682 msr_ile = (value >> MSR_ILE) & 0x01;
... ... @@ -931,7 +930,7 @@ void do_interrupt (CPUState *env)
931 930 env->nip = excp << 8;
932 931 env->exception_index = EXCP_NONE;
933 932 /* Invalidate all TLB as we may have changed translation mode */
934   - do_tlbia();
  933 + tlb_flush(env, 1);
935 934 /* ensure that no TB jump will be modified as
936 935 the program flow was changed */
937 936 #ifdef __sparc__
... ...
target-ppc/op.c
... ... @@ -1368,28 +1368,32 @@ PPC_OP(fmsubs)
1368 1368 /* fnmadd - fnmadd. - fnmadds - fnmadds. */
1369 1369 PPC_OP(fnmadd)
1370 1370 {
1371   - FT0 = -((FT0 * FT1) + FT2);
  1371 + FT0 *= FT1;
  1372 + FT0 += FT2;
  1373 + FT0 = -FT0;
1372 1374 RETURN();
1373 1375 }
1374 1376  
1375 1377 /* fnmadds - fnmadds. */
1376 1378 PPC_OP(fnmadds)
1377 1379 {
1378   - FTS0 = -((FTS0 * FTS1) + FTS2);
  1380 + do_fnmadds();
1379 1381 RETURN();
1380 1382 }
1381 1383  
1382 1384 /* fnmsub - fnmsub. */
1383 1385 PPC_OP(fnmsub)
1384 1386 {
1385   - FT0 = -((FT0 * FT1) - FT2);
  1387 + FT0 *= FT1;
  1388 + FT0 -= FT2;
  1389 + FT0 = -FT0;
1386 1390 RETURN();
1387 1391 }
1388 1392  
1389 1393 /* fnmsubs - fnmsubs. */
1390 1394 PPC_OP(fnmsubs)
1391 1395 {
1392   - FTS0 = -((FTS0 * FTS1) - FTS2);
  1396 + do_fnmsubs();
1393 1397 RETURN();
1394 1398 }
1395 1399  
... ...
target-ppc/op_helper.c
... ... @@ -267,6 +267,16 @@ void do_fctiwz (void)
267 267 fesetround(cround);
268 268 }
269 269  
  270 +void do_fnmadds (void)
  271 +{
  272 + FTS0 = -((FTS0 * FTS1) + FTS2);
  273 +}
  274 +
  275 +void do_fnmsubs (void)
  276 +{
  277 + FTS0 = -((FTS0 * FTS1) - FTS2);
  278 +}
  279 +
270 280 void do_fsqrt (void)
271 281 {
272 282 FT0 = sqrt(FT0);
... ...
target-ppc/translate.c
... ... @@ -276,7 +276,7 @@ static inline uint32_t MASK (uint32_t start, uint32_t end)
276 276 }
277 277  
278 278 #define GEN_OPCODE(name, op1, op2, op3, invl, _typ) \
279   -__attribute__ ((section(".opcodes"), unused)) \
  279 +__attribute__ ((section(".opcodes"), unused, aligned (8) )) \
280 280 static opcode_t opc_##name = { \
281 281 .opc1 = op1, \
282 282 .opc2 = op2, \
... ... @@ -289,7 +289,7 @@ static opcode_t opc_##name = { \
289 289 }
290 290  
291 291 #define GEN_OPCODE_MARK(name) \
292   -__attribute__ ((section(".opcodes"), unused)) \
  292 +__attribute__ ((section(".opcodes"), unused, aligned (8) )) \
293 293 static opcode_t opc_##name = { \
294 294 .opc1 = 0xFF, \
295 295 .opc2 = 0xFF, \
... ... @@ -3144,7 +3144,9 @@ int gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
3144 3144 fprintf(logfile, "---------------- excp: %04x\n", ctx.exception);
3145 3145 cpu_ppc_dump_state(env, logfile, 0);
3146 3146 fprintf(logfile, "IN: %s\n", lookup_symbol((void *)pc_start));
  3147 +#if defined(CONFIG_USER_ONLY)
3147 3148 disas(logfile, (void *)pc_start, ctx.nip - pc_start, 0, 0);
  3149 +#endif
3148 3150 fprintf(logfile, "\n");
3149 3151  
3150 3152 fprintf(logfile, "OP:\n");
... ...