| ;------------------------------------------------------------------------------ | |
| ; | |
| ; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR> | |
| ; SPDX-License-Identifier: BSD-2-Clause-Patent | |
| ; | |
| ; Module Name: | |
| ; | |
| ; ZeroMem.Asm | |
| ; | |
| ; Abstract: | |
| ; | |
| ; ZeroMem function | |
| ; | |
| ; Notes: | |
| ; | |
| ;------------------------------------------------------------------------------ | |
| DEFAULT REL | |
| SECTION .text | |
| ;------------------------------------------------------------------------------ | |
| ; VOID * | |
| ; InternalMemZeroMem ( | |
| ; IN VOID *Buffer, | |
| ; IN UINTN Count | |
| ; ); | |
| ;------------------------------------------------------------------------------ | |
| global ASM_PFX(InternalMemZeroMem) | |
| ASM_PFX(InternalMemZeroMem): | |
| push rdi | |
| push rcx | |
| xor rax, rax | |
| mov rdi, rcx | |
| mov rcx, rdx | |
| shr rcx, 3 | |
| and rdx, 7 | |
| rep stosq | |
| mov ecx, edx | |
| rep stosb | |
| pop rax | |
| pop rdi | |
| ret | |