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Fixed CPU detection on Mac OS X.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@225 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Maarten ter Huurne 2008-08-16 10:48:32 +00:00
parent 2f55ee30be
commit 7962ab4713
1 changed files with 13 additions and 7 deletions
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18
Source/Core/Common/Src/CPUDetect.cpp
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@ -27,16 +27,22 @@
static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
__asm__("cpuid"
: "=a" (*eax),
"=b" (*ebx),
"=c" (*ecx),
"=d" (*edx));
// Note: EBX is reserved on Mac OS X, so it has to be restored at the end
// of the asm block.
__asm__(
"pushl %%ebx;"
"cpuid;"
"movl %%ebx,%1;"
"popl %%ebx;"
: "=a" (*eax),
"=r" (*ebx),
"=c" (*ecx),
"=d" (*edx));
}
void __cpuid(int info[4], int x)
{
int eax = x, ebx = 0, ecx = 0, edx = 0;
unsigned int eax = x, ebx = 0, ecx = 0, edx = 0;
do_cpuid(&eax, &ebx, &ecx, &edx);
info[0] = eax;
info[1] = ebx;