diff options
Diffstat (limited to 'src/cpu/intel/microcode')
| -rw-r--r-- | src/cpu/intel/microcode/microcode_asm.S | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/cpu/intel/microcode/microcode_asm.S b/src/cpu/intel/microcode/microcode_asm.S index 039e02a2b7..319785d2de 100644 --- a/src/cpu/intel/microcode/microcode_asm.S +++ b/src/cpu/intel/microcode/microcode_asm.S @@ -88,11 +88,6 @@ update_bsp_microcode: * Current installed microcode revision -> %edx */ - /* Processor family+model signature=cpuid_eax(1) */ - movl $1, %eax - cpuid - movl %eax, %ebx - /* Processor flags * rdmsr 0x17 * pf = 1 << ((msr.hi >> 18) & 7) */ @@ -113,6 +108,10 @@ update_bsp_microcode: wrmsr movl $0x1, %eax cpuid + + /* Processor family+model signature=cpuid_eax(1) */ + movl %eax, %ebx + movl $IA32_BIOS_SIGN_ID, %ecx rdmsr @@ -126,8 +125,8 @@ check_microcode_entry: jne next_entry /* Processor flags */ - cmpl PROCESSOR_FLAG(%esi), %ebp - jne next_entry + test PROCESSOR_FLAG(%esi), %ebp + jz next_entry /* Check if revision is higher than current */ cmpl UPDATE_VER_OFFSET(%esi), %edx |