| #------------------------------------------------------------------------------ |
| # |
| # Copyright (c) 2008, Intel Corporation |
| # All rights reserved. This program and the accompanying materials |
| # are licensed and made available under the terms and conditions of the BSD License |
| # which accompanies this distribution. The full text of the license may be found at |
| # http://opensource.org/licenses/bsd-license.php |
| # |
| # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. |
| # |
| # Module Name: |
| # |
| # EfiZeroMemRep4.S |
| # |
| # Abstract: |
| # |
| # ZeroMem function |
| # |
| # Notes: |
| # |
| #------------------------------------------------------------------------------ |
| #include <EfiBind.h> |
| |
| .code: |
| |
| .global ASM_PFX(EfiCommonLibZeroMem) |
| #------------------------------------------------------------------------------ |
| # VOID |
| # EfiCommonLibZeroMem ( |
| # IN VOID *Buffer, |
| # IN UINTN Size |
| # ); |
| #------------------------------------------------------------------------------ |
| ASM_PFX(EfiCommonLibZeroMem): |
| push %rdi |
| xor %rax,%rax |
| mov %rcx,%rdi |
| mov %rdx,%rcx |
| shr $0x2,%rcx |
| and $0x3,%rdx |
| rep stos %eax,%es:(%rdi) |
| mov %rdx,%rcx |
| rep stos %al,%es:(%rdi) |
| pop %rdi |
| retq |
