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[NTOS]

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Add some missing intrinsics for MSVC

svn path=/branches/cmake-bringup/; revision=49787
This commit is contained in:
Timo Kreuzer 2010-11-24 20:03:01 +00:00
parent acc442de12
commit c41cbd1d26
1 changed files with 48 additions and 0 deletions
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48
ntoskrnl/include/internal/i386/intrin_i.h
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@ -144,6 +144,32 @@ __sgdt(OUT PVOID Descriptor)
sgdt [eax]
}
}
FORCEINLINE
VOID
__fxsave(OUT PFX_SAVE_AREA SaveArea)
{
__asm mov eax, SaveArea
__asm fxsave [eax]
}
FORCEINLINE
VOID
__fxrstor(IN PFX_SAVE_AREA SaveArea)
{
__asm mov eax, SaveArea
__asm fxrstor [eax]
}
FORCEINLINE
VOID
__fnsave(OUT PFLOATING_SAVE_AREA SaveArea)
{
__asm mov eax, SaveArea
__asm fnsave [eax]
__asm wait;
}
#define Ke386GetGlobalDescriptorTable __sgdt
FORCEINLINE
@ -268,6 +294,28 @@ Ke386SetGs(IN USHORT Value)
__asm mov gs, ax;
}
extern ULONG KeI386FxsrPresent;
FORCEINLINE
VOID
Ke386SaveFpuState(IN PVOID SaveArea)
{
if (KeI386FxsrPresent)
{
__fxsave(SaveArea);
}
else
{
__fnsave(SaveArea);
}
}
#define Ke386FnSave __fnsave
#define Ke386FxSave __fxsave
// The name suggest, that the original author didn't understand what frstor means
#define Ke386FxStore __fxrstor
#else
#error Unknown compiler for inline assembler
#endif