diff options
| author | jeff <jeff@FreeBSD.org> | 2009-04-29 06:54:40 +0000 |
|---|---|---|
| committer | jeff <jeff@FreeBSD.org> | 2009-04-29 06:54:40 +0000 |
| commit | 9339d50dc35bdb129d86128c4da58bb4b58959fb (patch) | |
| tree | f7e33f7dc0c826db0e48cbe026fe789a938ff2b6 /sys/amd64/include/specialreg.h | |
| parent | fe5d856f4750bf04beeac55f39f9edf161dba53f (diff) | |
| download | FreeBSD-src-9339d50dc35bdb129d86128c4da58bb4b58959fb.zip FreeBSD-src-9339d50dc35bdb129d86128c4da58bb4b58959fb.tar.gz | |
- Add support for cpuid leaf 0xb. This allows us to determine the
topology of nehalem/corei7 based systems.
- Remove the cpu_cores/cpu_logical detection from identcpu.
- Describe the layout of the system in cpu_mp_announce().
Sponsored by: Nokia
Diffstat (limited to 'sys/amd64/include/specialreg.h')
| -rw-r--r-- | sys/amd64/include/specialreg.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/amd64/include/specialreg.h b/sys/amd64/include/specialreg.h index eb2ff9b..afc6580 100644 --- a/sys/amd64/include/specialreg.h +++ b/sys/amd64/include/specialreg.h @@ -183,6 +183,13 @@ #define CPUID_HTT_CORES 0x00ff0000 #define CPUID_LOCAL_APIC_ID 0xff000000 +/* + * CPUID instruction 0xb ebx info. + */ +#define CPUID_TYPE_INVAL 0 +#define CPUID_TYPE_SMT 1 +#define CPUID_TYPE_CORE 2 + /* * AMD extended function 8000_0007h edx info */ |
