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-rw-r--r--src/cpu/intel/microcode/microcode.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/cpu/intel/microcode/microcode.c b/src/cpu/intel/microcode/microcode.c
index 60342359c2..ae34347e26 100644
--- a/src/cpu/intel/microcode/microcode.c
+++ b/src/cpu/intel/microcode/microcode.c
@@ -102,7 +102,7 @@ void intel_microcode_load_unlocked(const void *microcode_patch)
msr.lo = (unsigned long)m + sizeof(struct microcode);
msr.hi = 0;
- wrmsr(0x79, msr);
+ wrmsr(IA32_BIOS_UPDT_TRIG, msr);
#if !defined(__ROMCC__)
printk(BIOS_DEBUG, "microcode: updated to revision "
@@ -158,12 +158,12 @@ const void *intel_microcode_find(void)
return NULL;
#endif
- /* CPUID sets MSR 0x8B iff a microcode update has been loaded. */
+ /* CPUID sets MSR 0x8B if a microcode update has been loaded. */
msr.lo = 0;
msr.hi = 0;
- wrmsr(0x8B, msr);
+ wrmsr(IA32_BIOS_SIGN_ID, msr);
eax = cpuid_eax(1);
- msr = rdmsr(0x8B);
+ msr = rdmsr(IA32_BIOS_SIGN_ID);
rev = msr.hi;
x86_model = (eax >> 4) & 0x0f;
x86_family = (eax >> 8) & 0x0f;
@@ -171,7 +171,7 @@ const void *intel_microcode_find(void)
pf = 0;
if ((x86_model >= 5) || (x86_family > 6)) {
- msr = rdmsr(0x17);
+ msr = rdmsr(IA32_PLATFORM_ID);
pf = 1 << ((msr.hi >> 18) & 7);
}
#if !defined(__ROMCC__)