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pdated code per coding standard. Changed comments, converted all \ to / and removed the extra generated files by merging them into existing files.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2736 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
AJFISH
2007-06-26 00:32:26 +00:00
parent cf61682357
commit b9575d6030
18 changed files with 996 additions and 1063 deletions
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310
MdeModulePkg/Universal/Disk/Partition/Dxe/Gpt.c
View File

@@ -1,33 +1,22 @@
/*++
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.
Module Name:
Gpt.c
Abstract:
/** @file
Decode a hard disk partitioned with the GPT scheme in the EFI 1.0
specification.
--*/
Copyright (c) 2006 - 2007, 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.
**/
//
// Include common header file for this module.
//
#include "CommonHeader.h"
#include "Partition.h"
STATIC
BOOLEAN
PartitionValidGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -36,7 +25,7 @@ PartitionValidGptTable (
OUT EFI_PARTITION_TABLE_HEADER *PartHeader
);
STATIC
BOOLEAN
PartitionCheckGptEntryArrayCRC (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -44,7 +33,7 @@ PartitionCheckGptEntryArrayCRC (
IN EFI_PARTITION_TABLE_HEADER *PartHeader
);
STATIC
BOOLEAN
PartitionRestoreGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -52,7 +41,7 @@ PartitionRestoreGptTable (
IN EFI_PARTITION_TABLE_HEADER *PartHeader
);
STATIC
VOID
PartitionCheckGptEntry (
IN EFI_PARTITION_TABLE_HEADER *PartHeader,
@@ -60,7 +49,7 @@ PartitionCheckGptEntry (
OUT EFI_PARTITION_ENTRY_STATUS *PEntryStatus
);
STATIC
BOOLEAN
PartitionCheckCrcAltSize (
IN UINTN MaxSize,
@@ -68,26 +57,40 @@ PartitionCheckCrcAltSize (
IN OUT EFI_TABLE_HEADER *Hdr
);
STATIC
BOOLEAN
PartitionCheckCrc (
IN UINTN MaxSize,
IN OUT EFI_TABLE_HEADER *Hdr
);
STATIC
VOID
PartitionSetCrcAltSize (
IN UINTN Size,
IN OUT EFI_TABLE_HEADER *Hdr
);
STATIC
VOID
PartitionSetCrc (
IN OUT EFI_TABLE_HEADER *Hdr
);
/**
Install child handles if the Handle supports GPT partition structure.
@param[in] This - Calling context.
@param[in] Handle - Parent Handle
@param[in] DiskIo - Parent DiskIo interface
@param[in] BlockIo - Parent BlockIo interface
@param[in] DevicePath - Parent Device Path
@retval EFI_SUCCESS Valid GPT disk
@retval EFI_MEDIA_CHANGED Media changed Detected
@retval other Not a valid GPT disk
**/
EFI_STATUS
PartitionInstallGptChildHandles (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
@@ -96,24 +99,6 @@ PartitionInstallGptChildHandles (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath
)
/*++
Routine Description:
Install child handles if the Handle supports GPT partition structure.
Arguments:
This - Calling context.
Handle - Parent Handle
DiskIo - Parent DiskIo interface
BlockIo - Parent BlockIo interface
DevicePath - Parent Device Path
Returns:
EFI_SUCCESS - Valid GPT disk
EFI_MEDIA_CHANGED - Media changed Detected
!EFI_SUCCESS - Not a valid GPT disk
--*/
{
EFI_STATUS Status;
UINT32 BlockSize;
@@ -333,7 +318,19 @@ Done:
return GptValid;
}
STATIC
/**
Install child handles if the Handle supports GPT partition structure.
@param[in] BlockIo Parent BlockIo interface
@param[in] DiskIo Disk Io protocol.
@param[in] Lba The starting Lba of the Partition Table
@param[in] PartHeader Stores the partition table that is read
@retval TRUE The partition table is valid
@retval FALSE The partition table is not valid
**/
BOOLEAN
PartitionValidGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
@@ -341,22 +338,6 @@ PartitionValidGptTable (
IN EFI_LBA Lba,
OUT EFI_PARTITION_TABLE_HEADER *PartHeader
)
/*++
Routine Description:
Check if the GPT partition table is valid
Arguments:
BlockIo - Parent BlockIo interface
DiskIo - Disk Io protocol.
Lba - The starting Lba of the Partition Table
PartHeader - Stores the partition table that is read
Returns:
TRUE - The partition table is valid
FALSE - The partition table is not valid
--*/
{
EFI_STATUS Status;
UINT32 BlockSize;
@@ -405,32 +386,25 @@ Returns:
return TRUE;
}
STATIC
/**
Check if the CRC field in the Partition table header is valid
for Partition entry array.
@param[in] BlockIo Parent BlockIo interface
@param[in] DiskIo Disk Io Protocol.
@param[in] PartHeader Partition table header structure
@retval TRUE the CRC is valid
@retval FALSE the CRC is invalid
**/
BOOLEAN
PartitionCheckGptEntryArrayCRC (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_PARTITION_TABLE_HEADER *PartHeader
)
/*++
Routine Description:
Check if the CRC field in the Partition table header is valid
for Partition entry array
Arguments:
BlockIo - parent BlockIo interface
DiskIo - Disk Io Protocol.
PartHeader - Partition table header structure
Returns:
TRUE - the CRC is valid
FALSE - the CRC is invalid
--*/
{
EFI_STATUS Status;
UINT8 *Ptr;
@@ -472,32 +446,25 @@ Returns:
return (BOOLEAN) (PartHeader->PartitionEntryArrayCRC32 == Crc);
}
STATIC
/**
Restore Partition Table to its alternate place
(Primary -> Backup or Backup -> Primary)
@param[in] BlockIo Parent BlockIo interface
@param[in] DiskIo Disk Io Protocol.
@param[in] PartHeader Partition table header structure
@retval TRUE Restoring succeeds
@retval FALSE Restoring failed
**/
BOOLEAN
PartitionRestoreGptTable (
IN EFI_BLOCK_IO_PROTOCOL *BlockIo,
IN EFI_DISK_IO_PROTOCOL *DiskIo,
IN EFI_PARTITION_TABLE_HEADER *PartHeader
)
/*++
Routine Description:
Restore Partition Table to its alternate place
(Primary -> Backup or Backup -> Primary)
Arguments:
BlockIo - parent BlockIo interface
DiskIo - Disk Io Protocol.
PartHeader - the source Partition table header structure
Returns:
TRUE - Restoring succeeds
FALSE - Restoring failed
--*/
{
EFI_STATUS Status;
UINTN BlockSize;
@@ -570,30 +537,22 @@ Done:
return TRUE;
}
STATIC
/**
Restore Partition Table to its alternate place
(Primary -> Backup or Backup -> Primary)
@param[in] PartHeader Partition table header structure
@param[in] PartEntry The partition entry array
@param[out] PEntryStatus the partition entry status array
recording the status of each partition
**/
VOID
PartitionCheckGptEntry (
IN EFI_PARTITION_TABLE_HEADER *PartHeader,
IN EFI_PARTITION_ENTRY *PartEntry,
OUT EFI_PARTITION_ENTRY_STATUS *PEntryStatus
)
/*++
Routine Description:
Check each partition entry for its range
Arguments:
PartHeader - the partition table header
PartEntry - the partition entry array
PEntryStatus - the partition entry status array recording the status of
each partition
Returns:
VOID
--*/
{
EFI_LBA StartingLBA;
EFI_LBA EndingLBA;
@@ -639,52 +598,35 @@ Returns:
DEBUG ((EFI_D_INFO, " End check partition entries\n"));
}
STATIC
/**
Updates the CRC32 value in the table header
@param[in,out] Hdr Table to update
**/
VOID
PartitionSetCrc (
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Updates the CRC32 value in the table header
Arguments:
Hdr - The table to update
Returns:
None
--*/
{
PartitionSetCrcAltSize (Hdr->HeaderSize, Hdr);
}
STATIC
/**
Updates the CRC32 value in the table header
@param[in] Size The size of the table
@param[in,out] Hdr Table to update
**/
VOID
PartitionSetCrcAltSize (
IN UINTN Size,
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Updates the CRC32 value in the table header
Arguments:
Size - The size of the table
Hdr - The table to update
Returns:
None
--*/
{
UINT32 Crc;
@@ -693,56 +635,44 @@ Returns:
Hdr->CRC32 = Crc;
}
STATIC
/**
Checks the CRC32 value in the table header
@param[in] MaxSize Max Size limit
@param[in,out] Hdr Table to check
@return TRUE CRC Valid
@return FALSE CRC Invalid
**/
BOOLEAN
PartitionCheckCrc (
IN UINTN MaxSize,
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Checks the CRC32 value in the table header
Arguments:
MaxSize - Max Size limit
Hdr - The table to check
Returns:
TRUE if the CRC is OK in the table
--*/
{
return PartitionCheckCrcAltSize (MaxSize, Hdr->HeaderSize, Hdr);
}
STATIC
/**
Checks the CRC32 value in the table header
@param[in] MaxSize Max Size limit
@param[in] Size The size of the table
@param[in,out] Hdr Table to check
@return TRUE CRC Valid
@return FALSE CRC Invalid
**/
BOOLEAN
PartitionCheckCrcAltSize (
IN UINTN MaxSize,
IN UINTN Size,
IN OUT EFI_TABLE_HEADER *Hdr
)
/*++
Routine Description:
Checks the CRC32 value in the table header
Arguments:
MaxSize - Max Size Limit
Size - The size of the table
Hdr - The table to check
Returns:
TRUE if the CRC is OK in the table
--*/
{
UINT32 Crc;
UINT32 OrgCrc;