diff options
Diffstat (limited to 'src/cpu')
| -rw-r--r-- | src/cpu/intel/microcode/microcode.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/src/cpu/intel/microcode/microcode.c b/src/cpu/intel/microcode/microcode.c index 9d6d28b3e6..86739909c7 100644 --- a/src/cpu/intel/microcode/microcode.c +++ b/src/cpu/intel/microcode/microcode.c @@ -123,8 +123,8 @@ const void *intel_microcode_find(void) size_t microcode_len; u32 eax; u32 pf, rev, sig, update_size; - unsigned int x86_model, x86_family; msr_t msr; + struct cpuinfo_x86 c; if (ucode_updates) return ucode_updates; @@ -133,19 +133,13 @@ const void *intel_microcode_find(void) if (ucode_updates == NULL) return NULL; - /* CPUID sets MSR 0x8B if a microcode update has been loaded. */ - msr.lo = 0; - msr.hi = 0; - wrmsr(IA32_BIOS_SIGN_ID, msr); + rev = read_microcode_rev(); eax = cpuid_eax(1); - msr = rdmsr(IA32_BIOS_SIGN_ID); - rev = msr.hi; - x86_model = (eax >> 4) & 0x0f; - x86_family = (eax >> 8) & 0x0f; + get_fms(&c, eax); sig = eax; pf = 0; - if ((x86_model >= 5) || (x86_family > 6)) { + if ((c.x86_model >= 5) || (c.x86 > 6)) { msr = rdmsr(IA32_PLATFORM_ID); pf = 1 << ((msr.hi >> 18) & 7); } |