restored inline assembly code

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7099 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
gnick79 2011-02-07 19:08:19 +00:00
parent b1a63e3e8e
commit a4754956cb
1 changed files with 17 additions and 7 deletions

View File

@ -35,19 +35,29 @@
static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
// Note: EBX is reserved on Mac OS X and in PIC on Linux, so it has to be
// restored at the end of the asm block.
__asm__(
#ifdef _LP64
__asm__("cpuid"
: "=a" (*eax),
"=b" (*ebx),
"=c" (*ecx),
"=d" (*edx)
: "a" (*eax)
);
#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__(
"pushl %%ebx;"
"cpuid;"
"movl %%ebx,%1;"
"popl %%ebx;"
: "=a" (*eax),
"=r" (*ebx),
"=c" (*ecx),
"=d" (*edx)
: "a" (*eax)
"=r" (*ebx),
"=c" (*ecx),
"=d" (*edx)
: "a" (*eax)
);
#endif
}
static void __cpuid(int info[4], int x)