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implemented fxsr

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This commit is contained in:
Alex
2022-11-06 04:55:01 +02:00
parent 3d947c2a03
commit 776f6d71b0
3 changed files with 29 additions and 0 deletions
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7
include/cpu.hpp
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@ -5,6 +5,11 @@
#include <cstring>
extern "C" void _amd64_fxsave(char *Buffer);
extern "C" void _amd64_fxrstor(char *Buffer);
extern "C" void _i386_fxsave(char *Buffer);
extern "C" void _i386_fxrstor(char *Buffer);
#define x86_CPUID_VENDOR_OLDAMD "AMDisbetter!" /* Early engineering samples of AMD K5 processor */
#define x86_CPUID_VENDOR_AMD "AuthenticAMD"
#define x86_CPUID_VENDOR_INTEL "GenuineIntel"
@ -1580,6 +1585,7 @@ namespace CPU
__attribute__((no_stack_protector)) static inline void fxsave(char *FXSaveArea)
{
#if defined(__amd64__)
_amd64_fxsave(FXSaveArea);
// asmv("fxsaveq (%0)"
// :
// : "r"(FXSaveArea)
@ -1590,6 +1596,7 @@ namespace CPU
__attribute__((no_stack_protector)) static inline void fxrstor(char *FXRstorArea)
{
#if defined(__amd64__)
_amd64_fxrstor(FXRstorArea);
// asmv("fxrstorq (%0)"
// :
// : "r"(FXRstorArea)