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• This comparison shows the changes necessary to convert path

  → /SPARTAN/trunk/arch/ia32/src/fpu_context.c @ 72

  → /SPARTAN/trunk/arch/ia32/src/fpu_context.c @ 73

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Ignore whitespace Rev 72 → Rev 73

/SPARTAN/trunk/arch/ia32/src/fpu_context.c
40,29 → 40,39
void fpu_context_restore(fpu_context_t *fctx)
{
if(THREAD==CPU->arch.fpu_owner) reset_TS_flag();
else set_TS_flag();
if(THREAD==CPU->arch.fpu_owner) {reset_TS_flag(); }
else {set_TS_flag(); ((CPU->arch).fpu_owner)->fpu_context_engaged=1;}
}
void fpu_lazy_context_save(fpu_context_t *fctx)
{
/*
pushl %eax
mov 8(%esp),%eax
fxsave (%eax)
popl %eax
ret
*/
asm(
"mov %0,%%eax;"
"fxsave (%%eax);"
"ret;"
:"=m"(fctx)
:
:"%eax"
);
}
void fpu_lazy_context_restore(fpu_context_t *fctx)
{
/*
pushl %eax
mov 8(%esp),%eax
fxrstor (%eax)
popl %eax
ret
*/
asm(
"mov %0,%%eax;"
"fxrstor (%%eax);"
"ret;"
:"=m"(fctx)
:
:"%eax"
);
}
void fpu_init(void)
{
asm(
"fninit;"
);
}