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Added placeholders for IBTS and XBTS (80386 opcodes on A0-B0 steppings only)

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This commit is contained in:
Jeff Parsons 2015-10-29 22:44:33 -07:00
commit 8bd1794928
7 changed files with 139 additions and 75 deletions
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8
modules/pcjs/lib/x86.js
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@ -44,10 +44,12 @@ var X86 = {
MODEL_80386: 80386,
/*
* CPU stepping identifiers (supported)
* 80386 CPU stepping identifiers (supported)
*/
STEPPING_B1: 0xB1, // our version of the B1 stepping also includes the infamous 32-bit multiplication bug
STEPPING_B2: 0xB2, // this is an imaginary stepping that simply means "B1 without the 32-bit multiplication bug" (ie, a B1 with the "double sigma" stamp)
STEPPING_80386_A0: (80386+0xA0),
STEPPING_80386_B0: (80386+0xB0), // for now, the only B0 difference is support for XBTS
STEPPING_80386_B1: (80386+0xB1), // our version of the B1 stepping also includes the infamous 32-bit multiplication bug
STEPPING_80386_B2: (80386+0xB2), // this is an imaginary stepping that simply means "B1 without the 32-bit multiplication bug" (ie, a B1 with the "double sigma" stamp)
/*
* This constant is used to mark points in the code where the physical address being returned