diff options
Diffstat (limited to 'src/arch/x86/include')
| -rw-r--r-- | src/arch/x86/include/arch/cpu.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/cpu.h b/src/arch/x86/include/arch/cpu.h index 3e464e4486..61b17a6d2a 100644 --- a/src/arch/x86/include/arch/cpu.h +++ b/src/arch/x86/include/arch/cpu.h @@ -158,6 +158,47 @@ static inline unsigned int cpuid_edx(unsigned int op) #define CPUID_FEATURE_PAE (1 << 6) #define CPUID_FEATURE_PSE36 (1 << 17) +// Intel leaf 0x4, AMD leaf 0x8000001d EAX + +#define CPUID_CACHE(x, res) \ + (((res) >> CPUID_CACHE_##x##_SHIFT) & CPUID_CACHE_##x##_MASK) + +#define CPUID_CACHE_FULL_ASSOC_SHIFT 9 +#define CPUID_CACHE_FULL_ASSOC_MASK 0x1 +#define CPUID_CACHE_FULL_ASSOC(res) CPUID_CACHE(FULL_ASSOC, (res).eax) + +#define CPUID_CACHE_SELF_INIT_SHIFT 8 +#define CPUID_CACHE_SELF_INIT_MASK 0x1 +#define CPUID_CACHE_SELF_INIT(res) CPUID_CACHE(SELF_INIT, (res).eax) + +#define CPUID_CACHE_LEVEL_SHIFT 5 +#define CPUID_CACHE_LEVEL_MASK 0x7 +#define CPUID_CACHE_LEVEL(res) CPUID_CACHE(LEVEL, (res).eax) + +#define CPUID_CACHE_TYPE_SHIFT 0 +#define CPUID_CACHE_TYPE_MASK 0x1f +#define CPUID_CACHE_TYPE(res) CPUID_CACHE(TYPE, (res).eax) + +// Intel leaf 0x4, AMD leaf 0x8000001d EBX + +#define CPUID_CACHE_WAYS_OF_ASSOC_SHIFT 22 +#define CPUID_CACHE_WAYS_OF_ASSOC_MASK 0x3ff +#define CPUID_CACHE_WAYS_OF_ASSOC(res) CPUID_CACHE(WAYS_OF_ASSOC, (res).ebx) + +#define CPUID_CACHE_PHYS_LINE_SHIFT 12 +#define CPUID_CACHE_PHYS_LINE_MASK 0x3ff +#define CPUID_CACHE_PHYS_LINE(res) CPUID_CACHE(PHYS_LINE, (res).ebx) + +#define CPUID_CACHE_COHER_LINE_SHIFT 0 +#define CPUID_CACHE_COHER_LINE_MASK 0xfff +#define CPUID_CACHE_COHER_LINE(res) CPUID_CACHE(COHER_LINE, (res).ebx) + +// Intel leaf 0x4, AMD leaf 0x8000001d ECX + +#define CPUID_CACHE_NO_OF_SETS_SHIFT 0 +#define CPUID_CACHE_NO_OF_SETS_MASK 0xffffffff +#define CPUID_CACHE_NO_OF_SETS(res) CPUID_CACHE(NO_OF_SETS, (res).ecx) + int cpu_cpuid_extended_level(void); int cpu_have_cpuid(void); |