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| author | dwmalone <dwmalone@FreeBSD.org> | 2002-02-12 21:06:48 +0000 |
|---|---|---|
| committer | dwmalone <dwmalone@FreeBSD.org> | 2002-02-12 21:06:48 +0000 |
| commit | d48667d57b70b83c9ee1efd42bc506acf8f227d7 (patch) | |
| tree | 5a9c2d0d7c1da9d26f510e39afe2f9b9ab71b0c0 /sys/amd64/include/cpufunc.h | |
| parent | 34c0145ee3ec3a499012c5105a99caf53eced3ee (diff) | |
| download | FreeBSD-src-d48667d57b70b83c9ee1efd42bc506acf8f227d7.zip FreeBSD-src-d48667d57b70b83c9ee1efd42bc506acf8f227d7.tar.gz | |
Move do_cpuid() from a identcpu.c into cpufunc.h.
Diffstat (limited to 'sys/amd64/include/cpufunc.h')
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index c80c9f2..969541f 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -365,6 +365,16 @@ read_eflags(void) return (ef); } +static __inline void +do_cpuid(u_int ax, u_int *p) +{ + __asm __volatile( + "cpuid" + : "=a" (p[0]), "=b" (p[1]), "=c" (p[2]), "=d" (p[3]) + : "0" (ax) + ); +} + static __inline u_int64_t rdmsr(u_int msr) { @@ -572,6 +582,7 @@ int breakpoint __P((void)); u_int bsfl __P((u_int mask)); u_int bsrl __P((u_int mask)); void disable_intr __P((void)); +void do_cpuid __P((u_int ax, u_int *p)); void enable_intr __P((void)); u_char inb __P((u_int port)); u_int inl __P((u_int port)); |
