diff options
Diffstat (limited to 'src/arch/i386/include/arch/cpu.h')
| -rw-r--r-- | src/arch/i386/include/arch/cpu.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/arch/i386/include/arch/cpu.h b/src/arch/i386/include/arch/cpu.h index 4cdeded8bc..ebe6ed155c 100644 --- a/src/arch/i386/include/arch/cpu.h +++ b/src/arch/i386/include/arch/cpu.h @@ -141,6 +141,25 @@ static inline unsigned long cpu_index(void) return ci->index; } + +struct cpuinfo_x86 { + uint8_t x86; /* CPU family */ + uint8_t x86_vendor; /* CPU vendor */ + uint8_t x86_model; + uint8_t x86_mask; +}; + +static void inline get_fms(struct cpuinfo_x86 *c, uint32_t tfms) +{ + c->x86 = (tfms >> 8) & 0xf; + c->x86_model = (tfms >> 4) & 0xf; + c->x86_mask = tfms & 0xf; + if (c->x86 == 0xf) + c->x86 += (tfms >> 20) & 0xff; + if (c->x86 >= 0x6) + c->x86_model += ((tfms >> 16) & 0xF) << 4; + +} #endif #endif /* ARCH_CPU_H */ |