Revision c570fd16 target-mips/helper.c
| b/target-mips/helper.c | ||
|---|---|---|
| 86 | 86 |
#endif |
| 87 | 87 |
if (user_mode && address > 0x7FFFFFFFUL) |
| 88 | 88 |
return TLBRET_BADADDR; |
| 89 |
if (address < 0x80000000UL) {
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|
| 89 |
if (address < SIGN_EXTEND32(0x80000000UL)) {
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|
| 90 | 90 |
if (!(env->hflags & MIPS_HFLAG_ERL)) {
|
| 91 | 91 |
#ifdef MIPS_USES_R4K_TLB |
| 92 | 92 |
ret = map_address(env, physical, prot, address, rw, access_type); |
| ... | ... | |
| 98 | 98 |
*physical = address; |
| 99 | 99 |
*prot = PAGE_READ | PAGE_WRITE; |
| 100 | 100 |
} |
| 101 |
} else if (address < 0xA0000000UL) {
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|
| 101 |
} else if (address < SIGN_EXTEND32(0xA0000000UL)) {
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|
| 102 | 102 |
/* kseg0 */ |
| 103 | 103 |
/* XXX: check supervisor mode */ |
| 104 |
*physical = address - 0x80000000UL;
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|
| 104 |
*physical = address - SIGN_EXTEND32(0x80000000UL);
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|
| 105 | 105 |
*prot = PAGE_READ | PAGE_WRITE; |
| 106 |
} else if (address < 0xC0000000UL) {
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|
| 106 |
} else if (address < SIGN_EXTEND32(0xC0000000UL)) {
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|
| 107 | 107 |
/* kseg1 */ |
| 108 | 108 |
/* XXX: check supervisor mode */ |
| 109 |
*physical = address - 0xA0000000UL;
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|
| 109 |
*physical = address - SIGN_EXTEND32(0xA0000000UL);
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|
| 110 | 110 |
*prot = PAGE_READ | PAGE_WRITE; |
| 111 |
} else if (address < 0xE0000000UL) {
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|
| 111 |
} else if (address < SIGN_EXTEND32(0xE0000000UL)) {
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|
| 112 | 112 |
/* kseg2 */ |
| 113 | 113 |
#ifdef MIPS_USES_R4K_TLB |
| 114 | 114 |
ret = map_address(env, physical, prot, address, rw, access_type); |
| ... | ... | |
| 129 | 129 |
} |
| 130 | 130 |
#if 0 |
| 131 | 131 |
if (logfile) {
|
| 132 |
fprintf(logfile, "%08x %d %d => %08x %d (%d)\n", address, rw,
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|
| 133 |
access_type, *physical, *prot, ret);
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|
| 132 |
fprintf(logfile, TLSZ " %d %d => " TLSZ " %d (%d)\n",
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|
| 133 |
address, rw, access_type, *physical, *prot, ret);
|
|
| 134 | 134 |
} |
| 135 | 135 |
#endif |
| 136 | 136 |
|
| ... | ... | |
| 171 | 171 |
#if 0 |
| 172 | 172 |
cpu_dump_state(env, logfile, fprintf, 0); |
| 173 | 173 |
#endif |
| 174 |
fprintf(logfile, "%s pc %08x ad %08x rw %d is_user %d smmu %d\n",
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|
| 174 |
fprintf(logfile, "%s pc " TLSZ " ad " TLSZ " rw %d is_user %d smmu %d\n",
|
|
| 175 | 175 |
__func__, env->PC, address, rw, is_user, is_softmmu); |
| 176 | 176 |
} |
| 177 | 177 |
|
| ... | ... | |
| 189 | 189 |
ret = get_physical_address(env, &physical, &prot, |
| 190 | 190 |
address, rw, access_type); |
| 191 | 191 |
if (logfile) {
|
| 192 |
fprintf(logfile, "%s address=%08x ret %d physical %08x prot %d\n",
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|
| 192 |
fprintf(logfile, "%s address=" TLSZ " ret %d physical " TLSZ " prot %d\n",
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|
| 193 | 193 |
__func__, address, ret, physical, prot); |
| 194 | 194 |
} |
| 195 | 195 |
if (ret == TLBRET_MATCH) {
|
| ... | ... | |
| 255 | 255 |
int cause = -1; |
| 256 | 256 |
|
| 257 | 257 |
if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) {
|
| 258 |
fprintf(logfile, "%s enter: PC %08x EPC %08x cause %d excp %d\n",
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| 258 |
fprintf(logfile, "%s enter: PC " TLSZ " EPC " TLSZ " cause %d excp %d\n",
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|
| 259 | 259 |
__func__, env->PC, env->CP0_EPC, cause, env->exception_index); |
| 260 | 260 |
} |
| 261 | 261 |
if (env->exception_index == EXCP_EXT_INTERRUPT && |
| ... | ... | |
| 299 | 299 |
enter_debug_mode: |
| 300 | 300 |
env->hflags |= MIPS_HFLAG_DM; |
| 301 | 301 |
/* EJTAG probe trap enable is not implemented... */ |
| 302 |
env->PC = 0xBFC00480;
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|
| 302 |
env->PC = SIGN_EXTEND32(0xBFC00480);
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|
| 303 | 303 |
break; |
| 304 | 304 |
case EXCP_RESET: |
| 305 | 305 |
cpu_reset(env); |
| ... | ... | |
| 321 | 321 |
} |
| 322 | 322 |
env->hflags |= MIPS_HFLAG_ERL; |
| 323 | 323 |
env->CP0_Status |= (1 << CP0St_ERL) | (1 << CP0St_BEV); |
| 324 |
env->PC = 0xBFC00000;
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|
| 324 |
env->PC = SIGN_EXTEND32(0xBFC00000);
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|
| 325 | 325 |
break; |
| 326 | 326 |
case EXCP_MCHECK: |
| 327 | 327 |
cause = 24; |
| ... | ... | |
| 389 | 389 |
env->CP0_Cause &= ~0x80000000; |
| 390 | 390 |
} |
| 391 | 391 |
if (env->CP0_Status & (1 << CP0St_BEV)) {
|
| 392 |
env->PC = 0xBFC00200;
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|
| 392 |
env->PC = SIGN_EXTEND32(0xBFC00200);
|
|
| 393 | 393 |
} else {
|
| 394 |
env->PC = 0x80000000;
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|
| 394 |
env->PC = SIGN_EXTEND32(0x80000000);
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|
| 395 | 395 |
} |
| 396 | 396 |
env->hflags |= MIPS_HFLAG_EXL; |
| 397 | 397 |
env->CP0_Status |= (1 << CP0St_EXL); |
| ... | ... | |
| 407 | 407 |
exit(1); |
| 408 | 408 |
} |
| 409 | 409 |
if (logfile && env->exception_index != EXCP_EXT_INTERRUPT) {
|
| 410 |
fprintf(logfile, "%s: PC %08x EPC %08x cause %d excp %d\n"
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|
| 411 |
" S %08x C %08x A %08x D %08x\n",
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|
| 410 |
fprintf(logfile, "%s: PC " TLSZ " EPC " TLSZ " cause %d excp %d\n"
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|
| 411 |
" S %08x C %08x A " TLSZ " D " TLSZ "\n",
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|
| 412 | 412 |
__func__, env->PC, env->CP0_EPC, cause, env->exception_index, |
| 413 | 413 |
env->CP0_Status, env->CP0_Cause, env->CP0_BadVAddr, |
| 414 | 414 |
env->CP0_DEPC); |
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