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-rw-r--r--src/cpu/amd/pi/cache_as_ram.inc8
1 files changed, 6 insertions, 2 deletions
diff --git a/src/cpu/amd/pi/cache_as_ram.inc b/src/cpu/amd/pi/cache_as_ram.inc
index 24db6001ea..c0a69ec74a 100644
--- a/src/cpu/amd/pi/cache_as_ram.inc
+++ b/src/cpu/amd/pi/cache_as_ram.inc
@@ -63,6 +63,9 @@ cache_as_ram_setup:
AMD_ENABLE_STACK
+ /* Align the stack. */
+ and $0xFFFFFFF0, %esp
+
#ifdef __x86_64__
/* switch to 64 bit long mode */
mov %esi, %ecx
@@ -111,8 +114,6 @@ cache_as_ram_setup:
/* Pass the BIST result */
cvtsd2si %xmm0, %edi
- /* align the stack */
- and $0xFFFFFFF0, %esp
.code64
call cache_as_ram_main
@@ -126,6 +127,9 @@ cache_as_ram_setup:
/* Restore the cpu_init_detected */
cvtsd2si %xmm1, %ebx
+ /* Must maintain 16-byte stack alignment here. */
+ pushl $0x0
+ pushl $0x0
pushl %ebx /* init detected */
pushl %edx /* bist */
call cache_as_ram_main