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git.proxmox.com Git - mirror_edk2.git/blob - MdePkg/Library/BaseLib/SwapBytes32.c
4 Copyright (c) 2006, Intel Corporation<BR>
5 All rights reserved. This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16 // Include common header file for this module.
18 #include "CommonHeader.h"
20 #include "BaseLibInternals.h"
23 Switches the endianess of a 32-bit integer.
25 This function swaps the bytes in a 32-bit unsigned value to switch the value
26 from little endian to big endian or vice versa. The byte swapped value is
29 @param Operand A 32-bit unsigned value.
31 @return The byte swaped Operand.
43 LowerBytes
= (UINT32
) SwapBytes16 ((UINT16
) Operand
);
44 HigherBytes
= (UINT32
) SwapBytes16 ((UINT16
) (Operand
>> 16));
46 return (LowerBytes
<< 16 | HigherBytes
);