diff options
Diffstat (limited to 'linux-user/vm86.c')
| -rw-r--r-- | linux-user/vm86.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/linux-user/vm86.c b/linux-user/vm86.c index 8b512df620..360d52592d 100644 --- a/linux-user/vm86.c +++ b/linux-user/vm86.c @@ -73,17 +73,17 @@ void save_v86_state(CPUX86State *env) ts->target_v86->regs.ebp = tswap32(env->regs[R_EBP]); ts->target_v86->regs.esp = tswap32(env->regs[R_ESP]); ts->target_v86->regs.eip = tswap32(env->eip); - ts->target_v86->regs.cs = tswap16(env->segs[R_CS]); - ts->target_v86->regs.ss = tswap16(env->segs[R_SS]); - ts->target_v86->regs.ds = tswap16(env->segs[R_DS]); - ts->target_v86->regs.es = tswap16(env->segs[R_ES]); - ts->target_v86->regs.fs = tswap16(env->segs[R_FS]); - ts->target_v86->regs.gs = tswap16(env->segs[R_GS]); + ts->target_v86->regs.cs = tswap16(env->segs[R_CS].selector); + ts->target_v86->regs.ss = tswap16(env->segs[R_SS].selector); + ts->target_v86->regs.ds = tswap16(env->segs[R_DS].selector); + ts->target_v86->regs.es = tswap16(env->segs[R_ES].selector); + ts->target_v86->regs.fs = tswap16(env->segs[R_FS].selector); + ts->target_v86->regs.gs = tswap16(env->segs[R_GS].selector); set_flags(env->eflags, ts->v86flags, VIF_MASK | ts->v86mask); ts->target_v86->regs.eflags = tswap32(env->eflags); #ifdef DEBUG_VM86 fprintf(logfile, "save_v86_state: eflags=%08x cs:ip=%04x:%04x\n", - env->eflags, env->segs[R_CS], env->eip); + env->eflags, env->segs[R_CS].selector, env->eip); #endif /* restore 32 bit registers */ @@ -180,6 +180,7 @@ static inline unsigned int get_vflags(CPUX86State *env) flags = env->eflags & RETURN_MASK; if (ts->v86flags & VIF_MASK) flags |= IF_MASK; + flags |= IOPL_MASK; return flags | (ts->v86flags & ts->v86mask); } @@ -194,7 +195,7 @@ static void do_int(CPUX86State *env, int intno) uint8_t *ssp; unsigned int sp; - if (env->segs[R_CS] == TARGET_BIOSSEG) + if (env->segs[R_CS].selector == TARGET_BIOSSEG) goto cannot_handle; if (is_revectored(intno, &ts->vm86plus.int_revectored)) goto cannot_handle; @@ -210,10 +211,10 @@ static void do_int(CPUX86State *env, int intno) intno, segoffs >> 16, segoffs & 0xffff); #endif /* save old state */ - ssp = (uint8_t *)(env->segs[R_SS] << 4); + ssp = (uint8_t *)(env->segs[R_SS].selector << 4); sp = env->regs[R_ESP] & 0xffff; vm_putw(ssp, sp - 2, get_vflags(env)); - vm_putw(ssp, sp - 4, env->segs[R_CS]); + vm_putw(ssp, sp - 4, env->segs[R_CS].selector); vm_putw(ssp, sp - 6, env->eip); ADD16(env->regs[R_ESP], -6); /* goto interrupt handler */ @@ -257,16 +258,16 @@ void handle_vm86_fault(CPUX86State *env) unsigned int ip, sp, newflags, newip, newcs, opcode, intno; int data32, pref_done; - csp = (uint8_t *)(env->segs[R_CS] << 4); + csp = (uint8_t *)(env->segs[R_CS].selector << 4); ip = env->eip & 0xffff; pc = csp + ip; - ssp = (uint8_t *)(env->segs[R_SS] << 4); + ssp = (uint8_t *)(env->segs[R_SS].selector << 4); sp = env->regs[R_ESP] & 0xffff; #if defined(DEBUG_VM86) fprintf(logfile, "VM86 exception %04x:%08x %02x %02x\n", - env->segs[R_CS], env->eip, pc[0], pc[1]); + env->segs[R_CS].selector, env->eip, pc[0], pc[1]); #endif data32 = 0; @@ -413,12 +414,12 @@ int do_vm86(CPUX86State *env, long subfunction, ts->vm86_saved_regs.esp = env->regs[R_ESP]; ts->vm86_saved_regs.eflags = env->eflags; ts->vm86_saved_regs.eip = env->eip; - ts->vm86_saved_regs.cs = env->segs[R_CS]; - ts->vm86_saved_regs.ss = env->segs[R_SS]; - ts->vm86_saved_regs.ds = env->segs[R_DS]; - ts->vm86_saved_regs.es = env->segs[R_ES]; - ts->vm86_saved_regs.fs = env->segs[R_FS]; - ts->vm86_saved_regs.gs = env->segs[R_GS]; + ts->vm86_saved_regs.cs = env->segs[R_CS].selector; + ts->vm86_saved_regs.ss = env->segs[R_SS].selector; + ts->vm86_saved_regs.ds = env->segs[R_DS].selector; + ts->vm86_saved_regs.es = env->segs[R_ES].selector; + ts->vm86_saved_regs.fs = env->segs[R_FS].selector; + ts->vm86_saved_regs.gs = env->segs[R_GS].selector; /* build vm86 CPU state */ ts->v86flags = tswap32(target_v86->regs.eflags); @@ -466,7 +467,8 @@ int do_vm86(CPUX86State *env, long subfunction, target_v86->vm86plus.vm86dbg_intxxtab, 32); #ifdef DEBUG_VM86 - fprintf(logfile, "do_vm86: cs:ip=%04x:%04x\n", env->segs[R_CS], env->eip); + fprintf(logfile, "do_vm86: cs:ip=%04x:%04x\n", + env->segs[R_CS].selector, env->eip); #endif /* now the virtual CPU is ready for vm86 execution ! */ out: |