summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/cpu/x86/lapic/secondary.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/cpu/x86/lapic/secondary.S b/src/cpu/x86/lapic/secondary.S
index a36502b1ac..27ee697db1 100644
--- a/src/cpu/x86/lapic/secondary.S
+++ b/src/cpu/x86/lapic/secondary.S
@@ -69,6 +69,8 @@ __ap_protected_start:
/* Set the stack pointer, and flag that we are done */
xorl %eax, %eax
movl secondary_stack, %esp
+ andl $0xfffffff0, %esp
+ sub $12, %esp /* maintain 16-byte alignment for the call below */
movl secondary_cpu_index, %edi
pushl %edi
movl %eax, secondary_stack