diff options
Diffstat (limited to 'src/cpu/x86/smm/smm_stub.S')
| -rw-r--r-- | src/cpu/x86/smm/smm_stub.S | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/cpu/x86/smm/smm_stub.S b/src/cpu/x86/smm/smm_stub.S index 44ee7cb327..aa48ab69ec 100644 --- a/src/cpu/x86/smm/smm_stub.S +++ b/src/cpu/x86/smm/smm_stub.S @@ -93,8 +93,9 @@ smm_trampoline32: movw %ax, %ds movw %ax, %es movw %ax, %ss + xor %ax, %ax /* zero out the gs and fs segment index */ movw %ax, %fs - movw %ax, %gs + movw %ax, %gs /* Will be used for cpu_info */ /* The CPU number is calculated by reading the initial APIC id. Since * the OS can manipulate the APIC id use the non-changing cpuid result |