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Last change
on this file since 58786 was 48674, checked in by vboxsync, 11 years ago |
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EFI: Export newly imported tinaocore UEFI sources to OSE.
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Property svn:eol-style
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native
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File size:
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| 1 | /** @file
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| 2 | Math worker functions.
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| 3 |
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| 4 | Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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| 5 | This program and the accompanying materials
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| 6 | are licensed and made available under the terms and conditions of the BSD License
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| 7 | which accompanies this distribution. The full text of the license may be found at
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| 8 | http://opensource.org/licenses/bsd-license.php.
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| 9 |
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| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| 12 |
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| 13 | **/
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| 14 |
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| 15 |
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| 16 |
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| 17 |
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| 18 | #include "BaseLibInternals.h"
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| 19 |
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| 20 | /**
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| 21 | Switches the endianess of a 32-bit integer.
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| 22 |
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| 23 | This function swaps the bytes in a 32-bit unsigned value to switch the value
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| 24 | from little endian to big endian or vice versa. The byte swapped value is
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| 25 | returned.
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| 26 |
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| 27 | @param Value A 32-bit unsigned value.
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| 28 |
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| 29 | @return The byte swapped Value.
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| 30 |
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| 31 | **/
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| 32 | UINT32
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| 33 | EFIAPI
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| 34 | SwapBytes32 (
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| 35 | IN UINT32 Value
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| 36 | )
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| 37 | {
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| 38 | UINT32 LowerBytes;
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| 39 | UINT32 HigherBytes;
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| 40 |
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| 41 | LowerBytes = (UINT32) SwapBytes16 ((UINT16) Value);
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| 42 | HigherBytes = (UINT32) SwapBytes16 ((UINT16) (Value >> 16));
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| 43 |
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| 44 | return (LowerBytes << 16 | HigherBytes);
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| 45 | }
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