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Added server support for running uncompiled machines

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This commit is contained in:
Jeff Parsons 2015-01-17 13:11:31 -08:00 • committed by jeffpar
commit c5d9b7dfcc
22 changed files with 2939 additions and 2753 deletions
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55
modules/pcjs/lib/x86cpu.js
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@ -721,8 +721,8 @@ X86CPU.prototype.initProcessor = function()
this.aOps[X86.OPCODE.INSW] = X86OpXX.opINSw;
this.aOps[X86.OPCODE.OUTSB] = X86OpXX.opOUTSb;
this.aOps[X86.OPCODE.OUTSW] = X86OpXX.opOUTSw;
this.aOps[0xC0] = X86OpXX.opGrp2ab;
this.aOps[0xC1] = X86OpXX.opGrp2aw;
this.aOps[0xC0] = X86OpXX.opGrp2bi;
this.aOps[0xC1] = X86OpXX.opGrp2wi;
this.aOps[X86.OPCODE.ENTER] = X86OpXX.opENTER;
this.aOps[X86.OPCODE.LEAVE] = X86OpXX.opLEAVE;
this.aOps[0xF1] = X86OpXX.opINT1;
@ -858,6 +858,8 @@ X86CPU.prototype.resetRegs = function()
btiSIHi: 0,
btiDILo: 0,
btiDIHi: 0,
btiEALo: 0,
btiEAHi: 0,
btiMemLo: 0,
btiMemHi: 0,
btiIO: 0
@ -1175,8 +1177,8 @@ X86CPU.prototype.restore = function(data)
this.setPS(a[6]);
this.setIP(a[0]);
a = data[2];
this.segData = this.getSeg(a[0]);
this.segStack = this.getSeg(a[1]);
this.segData = a[0] != null && this.getSeg(a[0]) || this.segDS;
this.segStack = a[1] != null && this.getSeg(a[1]) || this.segSS;
this.opFlags = a[2];
this.opPrefixes = a[3];
this.intFlags = a[4];
@ -1971,7 +1973,9 @@ X86CPU.prototype.getEAByteEnabled = function getEAByteEnabled(seg, off)
this.segEA = seg;
this.regEA = seg.checkRead(this.offEA = off, 0);
if (!EAFUNCS && (this.opFlags & X86.OPFLAG.NOREAD)) return 0;
return this.getByte(this.regEA);
var b = this.getByte(this.regEA);
if (BACKTRACK) this.backTrack.btiEALo = this.backTrack.btiMemLo;
return b;
};
/**
@ -1987,7 +1991,12 @@ X86CPU.prototype.getEAWordEnabled = function getEAWordEnabled(seg, off)
this.segEA = seg;
this.regEA = seg.checkRead(this.offEA = off, 1);
if (!EAFUNCS && (this.opFlags & X86.OPFLAG.NOREAD)) return 0;
return this.getWord(this.regEA);
var w = this.getWord(this.regEA);
if (BACKTRACK) {
this.backTrack.btiEALo = this.backTrack.btiMemLo;
this.backTrack.btiEAHi = this.backTrack.btiMemHi;
}
return w;
};
/**
@ -2003,7 +2012,9 @@ X86CPU.prototype.modEAByteEnabled = function modEAByteEnabled(seg, off)
this.segEA = seg;
this.regEAWrite = this.regEA = seg.checkRead(this.offEA = off, 0);
if (!EAFUNCS && (this.opFlags & X86.OPFLAG.NOREAD)) return 0;
return this.getByte(this.regEA);
var b = this.getByte(this.regEA);
if (BACKTRACK) this.backTrack.btiEALo = this.backTrack.btiMemLo;
return b;
};
/**
@ -2019,7 +2030,12 @@ X86CPU.prototype.modEAWordEnabled = function modEAWordEnabled(seg, off)
this.segEA = seg;
this.regEAWrite = this.regEA = seg.checkRead(this.offEA = off, 1);
if (!EAFUNCS && (this.opFlags & X86.OPFLAG.NOREAD)) return 0;
return this.getWord(this.regEA);
var w = this.getWord(this.regEA);
if (BACKTRACK) {
this.backTrack.btiEALo = this.backTrack.btiMemLo;
this.backTrack.btiEAHi = this.backTrack.btiMemHi;
}
return w;
};
/**
@ -2031,6 +2047,7 @@ X86CPU.prototype.modEAWordEnabled = function modEAWordEnabled(seg, off)
X86CPU.prototype.setEAByteEnabled = function setEAByteEnabled(b)
{
if (!EAFUNCS && (this.opFlags & X86.OPFLAG.NOWRITE)) return;
if (BACKTRACK) this.backTrack.btiMemLo = this.backTrack.btiEALo;
this.setByte(this.segEA.checkWrite(this.offEA, 0), b);
};
@ -2043,6 +2060,10 @@ X86CPU.prototype.setEAByteEnabled = function setEAByteEnabled(b)
X86CPU.prototype.setEAWordEnabled = function setEAWordEnabled(w)
{
if (!EAFUNCS && (this.opFlags & X86.OPFLAG.NOWRITE)) return;
if (BACKTRACK) {
this.backTrack.btiMemLo = this.backTrack.btiEALo;
this.backTrack.btiMemHi = this.backTrack.btiEAHi;
}
this.setWord(this.segEA.checkWrite(this.offEA, 1), w);
};
@ -2239,45 +2260,45 @@ X86CPU.prototype.advancePrefetch = function(inc)
/**
* getIPByte()
*
* NOTE: We don't need to mask the incoming regEIP, because regEIP is always masked after update.
*
* @this {X86CPU}
* @return {number} byte at the current IP; IP advanced by 1
*/
X86CPU.prototype.getIPByte = function()
{
var b = (PREFETCH? this.getBytePrefetch(this.regEIP) : this.getByte(this.regEIP));
this.regEIP = this.segCS.base + (this.regIP = (this.regIP + 1) & 0xffff); // this.advanceIP(1)
if (BACKTRACK) this.bus.updateBackTrackCode(this.regEIP, this.backTrack.btiMemLo);
this.regEIP = this.segCS.base + (this.regIP = (this.regIP + 1) & 0xffff); // this.advanceIP(1)
return b;
};
/**
* getIPDisp()
*
* NOTE: We don't need to mask the incoming regEIP, because regEIP is always masked after update.
*
* @this {X86CPU}
* @return {number} sign-extended value from the byte at the current IP; IP advanced by 1
*/
X86CPU.prototype.getIPDisp = function()
{
var b = ((PREFETCH? this.getBytePrefetch(this.regEIP) : this.getByte(this.regEIP)) << 24) >> 24;
this.regEIP = this.segCS.base + (this.regIP = (this.regIP + 1) & 0xffff); // this.advanceIP(1)
if (BACKTRACK) this.bus.updateBackTrackCode(this.regEIP, this.backTrack.btiMemLo);
this.regEIP = this.segCS.base + (this.regIP = (this.regIP + 1) & 0xffff); // this.advanceIP(1)
return b & 0xffff;
};
/**
* getIPWord()
*
* NOTE: We don't need to mask the incoming regEIP, because regEIP is always masked after update.
*
* @this {X86CPU}
* @return {number} word at the current IP; IP advanced by 2
*/
X86CPU.prototype.getIPWord = function()
{
var w = (PREFETCH? this.getWordPrefetch(this.regEIP) : this.getWord(this.regEIP));
this.regEIP = this.segCS.base + (this.regIP = (this.regIP + 2) & 0xffff); // this.advanceIP(2)
if (BACKTRACK) {
this.bus.updateBackTrackCode(this.regEIP, this.backTrack.btiMemLo);
this.bus.updateBackTrackCode(this.regEIP + 1, this.backTrack.btiMemHi);
}
this.regEIP = this.segCS.base + (this.regIP = (this.regIP + 2) & 0xffff); // this.advanceIP(2)
return w;
};