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/*++
Copyright (c) 2007, 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:
EfiSetMemRep4.c
Abstract:
This is the code that uses rep stosd SetMem service
--*/
#include "Tiano.h"
VOID
EfiCommonLibSetMem (
IN VOID *Buffer,
IN UINTN Count,
IN UINT8 Value
)
/*++
Input: VOID *Buffer - Pointer to buffer to write
UINTN Count - Number of bytes to write
UINT8 Value - Value to write
Output: None.
Saves:
Modifies:
Description: This function uses rep stosd to set memory.
--*/
{
__asm {
mov ecx, Count
test ecx, ecx
je Exit
mov al, Value
mov ah, al
shrd edx, eax, 16
shld eax, edx, 16
mov edx, ecx
mov edi, Buffer
shr ecx, 2
rep stosd
mov ecx, edx
and ecx, 3
rep stosb
Exit:
}
}
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