diff options
Diffstat (limited to 'src/arch/x86/exit_car.S')
| -rw-r--r-- | src/arch/x86/exit_car.S | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/arch/x86/exit_car.S b/src/arch/x86/exit_car.S index c9ff866b1a..d435dbe25b 100644 --- a/src/arch/x86/exit_car.S +++ b/src/arch/x86/exit_car.S @@ -67,8 +67,14 @@ skip_clflush: invd movl $_estack, %esp +#if ENV_X86_64 + /* Align stack to 16 bytes at call instruction. */ + movq $0xfffffffffffffff0, %rax + and %rax, %rsp +#else /* Align stack to 16 bytes at call instruction. */ andl $0xfffffff0, %esp +#endif /* Call this in assembly as some platforms like to mess with the bootflow and call into main directly from chipset_teardown_car. */ |