From 8ca8d7665d671e10d72b8fcb4d69121d75f7906e Mon Sep 17 00:00:00 2001 From: Eric Biederman Date: Tue, 22 Apr 2003 19:02:15 +0000 Subject: - Initial checkin of the freebios2 tree git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/include/cpu/p5/cpuid.h | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/include/cpu/p5/cpuid.h (limited to 'src/include/cpu/p5/cpuid.h') diff --git a/src/include/cpu/p5/cpuid.h b/src/include/cpu/p5/cpuid.h new file mode 100644 index 0000000000..b8ffc88a84 --- /dev/null +++ b/src/include/cpu/p5/cpuid.h @@ -0,0 +1,25 @@ +#ifndef CPU_P5_CPUID_H +#define CPU_P5_CPUID_H + +int mtrr_check(void); +void display_cpuid(void); + +/* + * Generic CPUID function. copied from Linux kernel headers + */ + +static inline void cpuid(int op, int *eax, int *ebx, int *ecx, int *edx) +{ + __asm__("pushl %%ebx\n\t" + "cpuid\n\t" + "movl %%ebx, %%esi\n\t" + "popl %%ebx\n\t" + : "=a" (*eax), + "=S" (*ebx), + "=c" (*ecx), + "=d" (*edx) + : "a" (op) + : "cc"); +} + +#endif /* CPU_P5_CPUID_H */ -- cgit v1.2.3