diff options
Diffstat (limited to 'src/drivers')
| -rw-r--r-- | src/drivers/intel/fsp/cache_as_ram.inc | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/drivers/intel/fsp/cache_as_ram.inc b/src/drivers/intel/fsp/cache_as_ram.inc index 9e8b2a2e6f..8604c3b0b0 100644 --- a/src/drivers/intel/fsp/cache_as_ram.inc +++ b/src/drivers/intel/fsp/cache_as_ram.inc @@ -91,14 +91,22 @@ CAR_init_done: * ecx: stack base * edx: stack top */ - lea -4(%edx), %esp + mov %edx, %esp movl %esp, %ebp - pushl %ebx + + /* Clear the cbmem CAR memory region. */ + movl %ecx, %edi + movl %edx, %ecx + sub %edi, %ecx + shr $2, %ecx + xorl %eax, %eax + rep stosl before_romstage: post_code(0x23) /* Call romstage.c main function. */ + pushl %ebx /* main takes FSP_INFO_HEADER as its argument */ call main /* does not return */ movb $0xB8, %ah jmp .Lhlt |