mirror of https://github.com/acidanthera/audk.git
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/** @file
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Math worker functions.
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Copyright (c) 2006, Intel Corporation<BR>
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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//
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// Include common header file for this module.
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//
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#include "BaseLibInternals.h"
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/**
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Switches the endianess of a 32-bit integer.
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This function swaps the bytes in a 32-bit unsigned value to switch the value
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from little endian to big endian or vice versa. The byte swapped value is
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returned.
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@param Operand A 32-bit unsigned value.
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@return The byte swaped Operand.
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**/
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UINT32
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EFIAPI
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SwapBytes32 (
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IN UINT32 Operand
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)
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{
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UINT32 LowerBytes;
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UINT32 HigherBytes;
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LowerBytes = (UINT32) SwapBytes16 ((UINT16) Operand);
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HigherBytes = (UINT32) SwapBytes16 ((UINT16) (Operand >> 16));
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return (LowerBytes << 16 | HigherBytes);
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}
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