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git.proxmox.com Git - mirror_edk2.git/blob - EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/SwapBytes32.c
3 Copyright (c) 2004 - 2006, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
19 Math worker functions.
23 #include "BaseLibInternals.h"
26 Switches the endianess of a 32-bit integer.
28 This function swaps the bytes in a 32-bit unsigned value to switch the value
29 from little endian to big endian or vice versa. The byte swapped value is
32 @param Operand A 32-bit unsigned value.
34 @return The byte swaped Operand.
46 LowerBytes
= (UINT32
) SwapBytes16 ((UINT16
) Operand
);
47 HigherBytes
= (UINT32
) SwapBytes16 ((UINT16
) (Operand
>> 16));
49 return (LowerBytes
<< 16 | HigherBytes
);