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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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20
Source/Core/Common/Src/CPUDetect.cpp
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@ -26,17 +26,23 @@
// if you are on linux and this doesn't build, plz fix :) // if you are on linux and this doesn't build, plz fix :)
static inline void do_cpuid(unsigned int *eax, unsigned int *ebx, static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx) unsigned int *ecx, unsigned int *edx)
{ {
__asm__("cpuid" // Note: EBX is reserved on Mac OS X, so it has to be restored at the end
: "=a" (*eax), // of the asm block.
"=b" (*ebx), __asm__(
"=c" (*ecx), "pushl %%ebx;"
"=d" (*edx)); "cpuid;"
"movl %%ebx,%1;"
"popl %%ebx;"
: "=a" (*eax),
"=r" (*ebx),
"=c" (*ecx),
"=d" (*edx));
} }
void __cpuid(int info[4], int x) 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); do_cpuid(&eax, &ebx, &ecx, &edx);
info[0] = eax; info[0] = eax;
info[1] = ebx; info[1] = ebx;