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This commit is contained in:
Anselm Levskaya 2011-12-18 05:03:29 -08:00
parent f86bfec62f
commit 3150ca1bfe
1 changed files with 6 additions and 5 deletions
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11
cpux86-ta.js
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@ -2039,7 +2039,7 @@ CPU_X86.prototype.exec_internal = function(ua, va) {
function md() { function md() {
return cpu.cycle_count + (ua - Ka); return cpu.cycle_count + (ua - Ka);
} }
function nd(na) { function cpu_abort(na) {
throw "CPU abort: " + na; throw "CPU abort: " + na;
} }
function cpu_dump() { function cpu_dump() {
@ -3265,7 +3265,7 @@ CPU_X86.prototype.exec_internal = function(ua, va) {
} }
function set_CR0(Qd) { function set_CR0(Qd) {
if (!(Qd & (1 << 0))) //0th bit protected or real, only real supported! if (!(Qd & (1 << 0))) //0th bit protected or real, only real supported!
nd("real mode not supported"); cpu_abort("real mode not supported");
//if changing flags 31, 16, or 0 must flush tlb //if changing flags 31, 16, or 0 must flush tlb
if ((Qd & ((1 << 31) | (1 << 16) | (1 << 0))) != (cpu.cr0 & ((1 << 31) | (1 << 16) | (1 << 0)))) { if ((Qd & ((1 << 31) | (1 << 16) | (1 << 0))) != (cpu.cr0 & ((1 << 31) | (1 << 16) | (1 << 0)))) {
cpu.tlb_flush_all(); cpu.tlb_flush_all();
@ -3340,10 +3340,10 @@ CPU_X86.prototype.exec_internal = function(ua, va) {
function ge(he) { function ge(he) {
var ie, Rb, je, ke, le; var ie, Rb, je, ke, le;
if (!(cpu.tr.flags & (1 << 15))) if (!(cpu.tr.flags & (1 << 15)))
nd("invalid tss"); cpu_abort("invalid tss");
ie = (cpu.tr.flags >> 8) & 0xf; ie = (cpu.tr.flags >> 8) & 0xf;
if ((ie & 7) != 1) if ((ie & 7) != 1)
nd("invalid tss type"); cpu_abort("invalid tss type");
je = ie >> 3; je = ie >> 3;
Rb = (he * 4 + 2) << je; Rb = (he * 4 + 2) << je;
if (Rb + (4 << je) - 1 > cpu.tr.limit) if (Rb + (4 << je) - 1 > cpu.tr.limit)
@ -3818,7 +3818,7 @@ CPU_X86.prototype.exec_internal = function(ua, va) {
de(1, (Ke & 0xfffc) | se, ae(Yd, Wd), limit, Wd); de(1, (Ke & 0xfffc) | se, ae(Yd, Wd), limit, Wd);
eip = Le, Kb = Mb = 0; eip = Le, Kb = Mb = 0;
} else { } else {
nd("unsupported jump to call or task gate"); cpu_abort("unsupported jump to call or task gate");
} }
} }
function Oe(Ke, Le) { function Oe(Ke, Le) {
@ -10382,3 +10382,4 @@ PCEmulator.prototype.reset = function() { this.request_request = 1; };