diff options
Diffstat (limited to 'src/cpu/amd')
| -rw-r--r-- | src/cpu/amd/pi/cache_as_ram.inc | 8 |
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 |