Revision 0d1a29f9 target-i386/helper.c
| b/target-i386/helper.c | ||
|---|---|---|
| 109 | 109 |
{
|
| 110 | 110 |
/* NOTE: the register at this point must be saved by hand because |
| 111 | 111 |
longjmp restore them */ |
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#ifdef reg_EAX |
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env->regs[R_EAX] = EAX; |
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#endif |
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#ifdef reg_ECX |
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env->regs[R_ECX] = ECX; |
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#endif |
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#ifdef reg_EDX |
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env->regs[R_EDX] = EDX; |
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#endif |
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#ifdef reg_EBX |
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env->regs[R_EBX] = EBX; |
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#endif |
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#ifdef reg_ESP |
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env->regs[R_ESP] = ESP; |
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#endif |
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#ifdef reg_EBP |
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env->regs[R_EBP] = EBP; |
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#endif |
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#ifdef reg_ESI |
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env->regs[R_ESI] = ESI; |
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#endif |
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#ifdef reg_EDI |
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env->regs[R_EDI] = EDI; |
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#endif |
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regs_to_env(); |
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longjmp(env->jmp_env, 1); |
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} |
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|
| ... | ... | |
| 384 | 361 |
/* 32 bit */ |
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stl_kernel(env->tr.base + 0x20, next_eip); |
| 386 | 363 |
stl_kernel(env->tr.base + 0x24, old_eflags); |
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for(i = 0; i < 8; i++) |
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stl_kernel(env->tr.base + (0x28 + i * 4), env->regs[i]); |
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stl_kernel(env->tr.base + (0x28 + 0 * 4), EAX); |
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stl_kernel(env->tr.base + (0x28 + 1 * 4), ECX); |
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stl_kernel(env->tr.base + (0x28 + 2 * 4), EDX); |
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stl_kernel(env->tr.base + (0x28 + 3 * 4), EBX); |
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stl_kernel(env->tr.base + (0x28 + 4 * 4), ESP); |
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stl_kernel(env->tr.base + (0x28 + 5 * 4), EBP); |
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stl_kernel(env->tr.base + (0x28 + 6 * 4), ESI); |
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stl_kernel(env->tr.base + (0x28 + 7 * 4), EDI); |
|
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for(i = 0; i < 6; i++) |
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stw_kernel(env->tr.base + (0x48 + i * 4), env->segs[i].selector); |
| 391 | 374 |
} else {
|
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/* 16 bit */ |
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stw_kernel(env->tr.base + 0x0e, next_eip); |
| 394 | 377 |
stw_kernel(env->tr.base + 0x10, old_eflags); |
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for(i = 0; i < 8; i++) |
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stw_kernel(env->tr.base + (0x12 + i * 2), env->regs[i]); |
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stw_kernel(env->tr.base + (0x12 + 0 * 2), EAX); |
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stw_kernel(env->tr.base + (0x12 + 1 * 2), ECX); |
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stw_kernel(env->tr.base + (0x12 + 2 * 2), EDX); |
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stw_kernel(env->tr.base + (0x12 + 3 * 2), EBX); |
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stw_kernel(env->tr.base + (0x12 + 4 * 2), ESP); |
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stw_kernel(env->tr.base + (0x12 + 5 * 2), EBP); |
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stw_kernel(env->tr.base + (0x12 + 6 * 2), ESI); |
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stw_kernel(env->tr.base + (0x12 + 7 * 2), EDI); |
|
| 397 | 386 |
for(i = 0; i < 4; i++) |
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stw_kernel(env->tr.base + (0x22 + i * 4), env->segs[i].selector); |
| 399 | 388 |
} |
| ... | ... | |
| 437 | 426 |
if (!(type & 8)) |
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eflags_mask &= 0xffff; |
| 439 | 428 |
load_eflags(new_eflags, eflags_mask); |
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for(i = 0; i < 8; i++) |
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env->regs[i] = new_regs[i]; |
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/* XXX: what to do in 16 bit case ? */ |
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EAX = new_regs[0]; |
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ECX = new_regs[1]; |
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EDX = new_regs[2]; |
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EBX = new_regs[3]; |
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ESP = new_regs[4]; |
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EBP = new_regs[5]; |
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ESI = new_regs[6]; |
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EDI = new_regs[7]; |
|
| 442 | 438 |
if (new_eflags & VM_MASK) {
|
| 443 | 439 |
for(i = 0; i < 6; i++) |
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load_seg_vm(i, new_segs[i]); |
| ... | ... | |
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mask = 0xffffffff; |
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else |
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mask = 0xffff; |
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esp = (env->regs[R_ESP] - (2 << shift)) & mask;
|
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esp = (ESP - (2 << shift)) & mask;
|
|
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ssp = env->segs[R_SS].base + esp; |
| 638 | 634 |
if (shift) |
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stl_kernel(ssp, error_code); |
| 640 | 636 |
else |
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stw_kernel(ssp, error_code); |
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env->regs[R_ESP] = (esp & mask) | (env->regs[R_ESP] & ~mask);
|
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ESP = (esp & mask) | (ESP & ~mask);
|
|
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} |
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return; |
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case 6: /* 286 interrupt gate */ |
| ... | ... | |
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if (intno == 0x0e) {
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fprintf(logfile, " CR2=%08x", env->cr[2]); |
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} else {
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fprintf(logfile, " EAX=%08x", env->regs[R_EAX]);
|
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fprintf(logfile, " EAX=%08x", EAX);
|
|
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} |
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fprintf(logfile, "\n"); |
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#if 0 |
| ... | ... | |
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cpu_loop_exit(); |
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} |
| 913 | 909 |
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/* same as raise_exception_err, but do not restore global registers */ |
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static void raise_exception_err_norestore(int exception_index, int error_code) |
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{
|
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env->exception_index = exception_index; |
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env->error_code = error_code; |
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env->exception_is_int = 0; |
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env->exception_next_eip = 0; |
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longjmp(env->jmp_env, 1); |
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} |
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|
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/* shortcuts to generate exceptions */ |
| 915 | 921 |
|
| 916 | 922 |
void (raise_exception_err)(int exception_index, int error_code) |
| ... | ... | |
| 2584 | 2590 |
cpu_restore_state(tb, env, pc, NULL); |
| 2585 | 2591 |
} |
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} |
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raise_exception_err(EXCP0E_PAGE, env->error_code); |
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if (retaddr) |
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raise_exception_err(EXCP0E_PAGE, env->error_code); |
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else |
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raise_exception_err_norestore(EXCP0E_PAGE, env->error_code); |
|
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} |
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env = saved_env; |
| 2590 | 2599 |
} |
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