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- CPUID asm changes for x64 systems. 

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7100 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
gnick79 2011-02-07 20:14:22 +00:00
parent a4754956cb
commit d373258517
1 changed files with 14 additions and 10 deletions
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12
Source/Core/Common/Src/CPUDetect.cpp
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@ -36,16 +36,20 @@ static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx) unsigned int *ecx, unsigned int *edx)
{ {
#ifdef _LP64 #ifdef _LP64
__asm__("cpuid" // Note: EBX is reserved on Mac OS X and in PIC on Linux, so it has to
// restored at the end of the asm block.
__asm__(
"pushl %%rbx;"
"cpuid;"
"movl %%rbx,%1;"
"popl %%rbx;"
: "=a" (*eax), : "=a" (*eax),
"=b" (*ebx), "=r" (*ebx),
"=c" (*ecx), "=c" (*ecx),
"=d" (*edx) "=d" (*edx)
: "a" (*eax) : "a" (*eax)
); );
#else #else
// Note: EBX is reserved on Mac OS X and in PIC on Linux, so it has to
// restored at the end of the asm block.
__asm__( __asm__(
"pushl %%ebx;" "pushl %%ebx;"
"cpuid;" "cpuid;"