diff options
Diffstat (limited to 'src/cpu/x86/smm')
| -rw-r--r-- | src/cpu/x86/smm/smm_stub.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/cpu/x86/smm/smm_stub.S b/src/cpu/x86/smm/smm_stub.S index 56e2504892..45f634d0c9 100644 --- a/src/cpu/x86/smm/smm_stub.S +++ b/src/cpu/x86/smm/smm_stub.S @@ -144,6 +144,9 @@ smm_trampoline32: movl stack_size, %eax subl %eax, %ebx /* %ebx(stack_top) - size = %ebx(stack_bottom) */ movl %ebx, (%ebx) +#if ENV_X86_64 + movl $0, 4(%ebx) +#endif /* Create stack frame by pushing a NULL stack base pointer */ pushl $0x0 |