diff options
| author | Jung-uk Kim <jkim@FreeBSD.org> | 2008-10-22 00:01:53 +0000 |
|---|---|---|
| committer | Jung-uk Kim <jkim@FreeBSD.org> | 2008-10-22 00:01:53 +0000 |
| commit | 87c919e80809296ccbe3e42cf62f4232018a5e02 (patch) | |
| tree | b30add38ed594f926fbd84ed2fb7f1f455d6c459 /sys/i386/include | |
| parent | 5fc898dffec49d30ce0cc2f8b816a8b9720162f2 (diff) | |
Notes
Diffstat (limited to 'sys/i386/include')
| -rw-r--r-- | sys/i386/include/specialreg.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/i386/include/specialreg.h b/sys/i386/include/specialreg.h index ec9de9f19c06..3c9ca92cd69c 100644 --- a/sys/i386/include/specialreg.h +++ b/sys/i386/include/specialreg.h @@ -150,6 +150,23 @@ #define AMDID2_PREFETCH 0x00000100 /* + * CPUID instruction 1 eax info + */ +#define CPUID_STEPPING 0x0000000f +#define CPUID_MODEL 0x000000f0 +#define CPUID_FAMILY 0x00000f00 +#define CPUID_EXT_MODEL 0x000f0000 +#define CPUID_EXT_FAMILY 0x0ff00000 +#define I386_CPU_MODEL(id) \ + ((((id) & CPUID_MODEL) >> 4) | \ + ((((id) & CPUID_FAMILY) >= 0x600) ? \ + (((id) & CPUID_EXT_MODEL) >> 12) : 0)) +#define I386_CPU_FAMILY(id) \ + ((((id) & CPUID_FAMILY) >> 8) + \ + ((((id) & CPUID_FAMILY) == 0xf00) ? \ + (((id) & CPUID_EXT_FAMILY) >> 20) : 0)) + +/* * CPUID instruction 1 ebx info */ #define CPUID_BRAND_INDEX 0x000000ff |