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Implemented selector limits on some instructions - fixes LBA2.

Browse source 
GPFs in real mode now work.
Selectors correctly zeroed on far return to lower privilege.
This commit is contained in:
TomW 2014-08-13 20:33:56 +01:00
commit cd2c3b47ed
16 changed files with 404 additions and 462 deletions
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5
src/x86_ops_flag.h
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@ -76,7 +76,6 @@ static int opLAHF(uint32_t fetchdat)
static int opPUSHF(uint32_t fetchdat)
{
if (ssegs) ss = oldss;
if ((eflags & VM_FLAG) && (IOPL < 3))
{
x86gpf(NULL,0);
@ -90,7 +89,6 @@ static int opPUSHF(uint32_t fetchdat)
static int opPUSHFD(uint32_t fetchdat)
{
uint16_t tempw;
if (ssegs) ss=oldss;
if ((eflags & VM_FLAG) && (IOPL < 3))
{
x86gpf(NULL, 0);
@ -107,7 +105,6 @@ static int opPUSHFD(uint32_t fetchdat)
static int opPOPF_286(uint32_t fetchdat)
{
uint16_t tempw;
if (ssegs) ss = oldss;
if ((eflags & VM_FLAG) && (IOPL < 3))
{
@ -129,7 +126,6 @@ static int opPOPF_286(uint32_t fetchdat)
static int opPOPF(uint32_t fetchdat)
{
uint16_t tempw;
if (ssegs) ss = oldss;
if ((eflags & VM_FLAG) && (IOPL < 3))
{
@ -150,7 +146,6 @@ static int opPOPF(uint32_t fetchdat)
static int opPOPFD(uint32_t fetchdat)
{
uint32_t templ;
if (ssegs) ss = oldss;
if ((eflags & VM_FLAG) && (IOPL < 3))
{