diff options
Diffstat (limited to 'MdeModulePkg/Core/RuntimeDxe/Crc32.c')
-rw-r--r-- | MdeModulePkg/Core/RuntimeDxe/Crc32.c | 105 |
1 files changed, 41 insertions, 64 deletions
diff --git a/MdeModulePkg/Core/RuntimeDxe/Crc32.c b/MdeModulePkg/Core/RuntimeDxe/Crc32.c index f2c8f0227a..0e7e793365 100644 --- a/MdeModulePkg/Core/RuntimeDxe/Crc32.c +++ b/MdeModulePkg/Core/RuntimeDxe/Crc32.c @@ -1,13 +1,14 @@ -/*++
+/** @file
+ CalculateCrc32 Boot Services as defined in DXE CIS.
+
+Copyright (c) 2006, Intel Corporation. <BR>
+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
-Copyright (c) 2006, 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.
+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:
@@ -15,22 +16,30 @@ Module Name: Abstract:
- CalculateCrc32 Boot Services as defined in DXE CIS.
-
This Boot Services is in the Runtime Driver because this service is
also required by SetVirtualAddressMap() when the EFI System Table and
- EFI Runtime Services Table are converted from physical address to
+ EFI Runtime Services Table are converted from physical address to
virtual addresses. This requires that the 32-bit CRC be recomputed.
-Revision History:
-
---*/
+**/
#include <PiDxe.h>
UINT32 mCrcTable[256];
+/**
+ Calculate CRC32 for target data.
+
+ @param Len The target data.
+ @param DataSize The target data size.
+ @param CrcOut The CRC32 for target data.
+
+ @retval EFI_SUCCESS The CRC32 for target data is calculated successfully.
+ @retval EFI_INVALID_PARAMETER Some parameter is not valid, so the CRC32 is not
+ calculated.
+
+**/
EFI_STATUS
EFIAPI
RuntimeDriverCalculateCrc32 (
@@ -38,25 +47,6 @@ RuntimeDriverCalculateCrc32 ( IN UINTN DataSize,
OUT UINT32 *CrcOut
)
-/*++
-
-Routine Description:
-
- Calculate CRC32 for target data
-
-Arguments:
-
- Data - The target data.
- DataSize - The target data size.
- CrcOut - The CRC32 for target data.
-
-Returns:
-
- EFI_SUCCESS - The CRC32 for target data is calculated successfully.
- EFI_INVALID_PARAMETER - Some parameter is not valid, so the CRC32 is not
- calculated.
-
---*/
{
UINT32 Crc;
UINTN Index;
@@ -75,26 +65,20 @@ Returns: return EFI_SUCCESS;
}
-STATIC
-UINT32
-ReverseBits (
- UINT32 Value
- )
-/*++
-
-Routine Description:
+/**
Reverse bits for 32bit data.
-Arguments:
-
- Value - the data to be reversed.
-
-Returns:
+ @param Value The data to be reversed.
- UINT32 data reversed.
+ @retrun Data reversed.
---*/
+**/
+STATIC
+UINT32
+ReverseBits (
+ UINT32 Value
+ )
{
UINTN Index;
UINT32 NewValue;
@@ -109,25 +93,18 @@ Returns: return NewValue;
}
-VOID
-RuntimeDriverInitializeCrc32Table (
- VOID
- )
-/*++
-
-Routine Description:
-
+/**
Initialize CRC32 table.
-Arguments:
-
- None.
+ @param None
-Returns:
+ @retrun None
- None.
-
---*/
+**/
+VOID
+RuntimeDriverInitializeCrc32Table (
+ VOID
+ )
{
UINTN TableEntry;
UINTN Index;
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