Revision 53a5960a linux-user/vm86.c
| b/linux-user/vm86.c | ||
|---|---|---|
| 62 | 62 |
void save_v86_state(CPUX86State *env) |
| 63 | 63 |
{
|
| 64 | 64 |
TaskState *ts = env->opaque; |
| 65 |
struct target_vm86plus_struct * target_v86; |
|
| 65 | 66 |
|
| 67 |
lock_user_struct(target_v86, ts->target_v86, 0); |
|
| 66 | 68 |
/* put the VM86 registers in the userspace register structure */ |
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ts->target_v86->regs.eax = tswap32(env->regs[R_EAX]);
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ts->target_v86->regs.ebx = tswap32(env->regs[R_EBX]);
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ts->target_v86->regs.ecx = tswap32(env->regs[R_ECX]);
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ts->target_v86->regs.edx = tswap32(env->regs[R_EDX]);
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ts->target_v86->regs.esi = tswap32(env->regs[R_ESI]);
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ts->target_v86->regs.edi = tswap32(env->regs[R_EDI]);
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ts->target_v86->regs.ebp = tswap32(env->regs[R_EBP]);
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ts->target_v86->regs.esp = tswap32(env->regs[R_ESP]);
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ts->target_v86->regs.eip = tswap32(env->eip);
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ts->target_v86->regs.cs = tswap16(env->segs[R_CS].selector);
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ts->target_v86->regs.ss = tswap16(env->segs[R_SS].selector);
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ts->target_v86->regs.ds = tswap16(env->segs[R_DS].selector);
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ts->target_v86->regs.es = tswap16(env->segs[R_ES].selector);
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ts->target_v86->regs.fs = tswap16(env->segs[R_FS].selector);
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ts->target_v86->regs.gs = tswap16(env->segs[R_GS].selector);
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target_v86->regs.eax = tswap32(env->regs[R_EAX]); |
|
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target_v86->regs.ebx = tswap32(env->regs[R_EBX]); |
|
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target_v86->regs.ecx = tswap32(env->regs[R_ECX]); |
|
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target_v86->regs.edx = tswap32(env->regs[R_EDX]); |
|
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target_v86->regs.esi = tswap32(env->regs[R_ESI]); |
|
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target_v86->regs.edi = tswap32(env->regs[R_EDI]); |
|
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target_v86->regs.ebp = tswap32(env->regs[R_EBP]); |
|
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target_v86->regs.esp = tswap32(env->regs[R_ESP]); |
|
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target_v86->regs.eip = tswap32(env->eip); |
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target_v86->regs.cs = tswap16(env->segs[R_CS].selector); |
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target_v86->regs.ss = tswap16(env->segs[R_SS].selector); |
|
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target_v86->regs.ds = tswap16(env->segs[R_DS].selector); |
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target_v86->regs.es = tswap16(env->segs[R_ES].selector); |
|
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target_v86->regs.fs = tswap16(env->segs[R_FS].selector); |
|
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target_v86->regs.gs = tswap16(env->segs[R_GS].selector); |
|
| 82 | 84 |
set_flags(env->eflags, ts->v86flags, VIF_MASK | ts->v86mask); |
| 83 |
ts->target_v86->regs.eflags = tswap32(env->eflags); |
|
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target_v86->regs.eflags = tswap32(env->eflags); |
|
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unlock_user_struct(target_v86, ts->target_v86, 1); |
|
| 84 | 87 |
#ifdef DEBUG_VM86 |
| 85 | 88 |
fprintf(logfile, "save_v86_state: eflags=%08x cs:ip=%04x:%04x\n", |
| 86 | 89 |
env->eflags, env->segs[R_CS].selector, env->eip); |
| ... | ... | |
| 378 | 381 |
} |
| 379 | 382 |
} |
| 380 | 383 |
|
| 381 |
int do_vm86(CPUX86State *env, long subfunction, |
|
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struct target_vm86plus_struct * target_v86) |
|
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int do_vm86(CPUX86State *env, long subfunction, target_ulong vm86_addr) |
|
| 383 | 385 |
{
|
| 384 | 386 |
TaskState *ts = env->opaque; |
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struct target_vm86plus_struct * target_v86; |
|
| 385 | 388 |
int ret; |
| 386 | 389 |
|
| 387 | 390 |
switch (subfunction) {
|
| ... | ... | |
| 402 | 405 |
goto out; |
| 403 | 406 |
} |
| 404 | 407 |
|
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ts->target_v86 = target_v86; |
|
| 406 | 408 |
/* save current CPU regs */ |
| 407 | 409 |
ts->vm86_saved_regs.eax = 0; /* default vm86 syscall return code */ |
| 408 | 410 |
ts->vm86_saved_regs.ebx = env->regs[R_EBX]; |
| ... | ... | |
| 421 | 423 |
ts->vm86_saved_regs.fs = env->segs[R_FS].selector; |
| 422 | 424 |
ts->vm86_saved_regs.gs = env->segs[R_GS].selector; |
| 423 | 425 |
|
| 426 |
ts->target_v86 = vm86_addr; |
|
| 427 |
lock_user_struct(target_v86, vm86_addr, 1); |
|
| 424 | 428 |
/* build vm86 CPU state */ |
| 425 | 429 |
ts->v86flags = tswap32(target_v86->regs.eflags); |
| 426 | 430 |
env->eflags = (env->eflags & ~SAFE_MASK) | |
| ... | ... | |
| 465 | 469 |
ts->vm86plus.vm86plus.flags = tswapl(target_v86->vm86plus.flags); |
| 466 | 470 |
memcpy(&ts->vm86plus.vm86plus.vm86dbg_intxxtab, |
| 467 | 471 |
target_v86->vm86plus.vm86dbg_intxxtab, 32); |
| 472 |
unlock_user_struct(target_v86, vm86_addr, 0); |
|
| 468 | 473 |
|
| 469 | 474 |
#ifdef DEBUG_VM86 |
| 470 | 475 |
fprintf(logfile, "do_vm86: cs:ip=%04x:%04x\n", |
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