Add Current working directory support to the library
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10333 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish
@ -1,36 +1,36 @@
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/** @file
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File IO routines inspired by Streams with an EFI flavor
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File IO routines inspired by Streams with an EFI flavor
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Copyright (c) 2007, Intel Corporation<BR>
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Portions copyright (c) 2008-2009, Apple Inc. All rights reserved.
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Copyright (c) 2007, Intel Corporation<BR>
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Portions copyright (c) 2008-2009, Apple Inc. All rights reserved.
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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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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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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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Basic support for opening files on different device types. The device string
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is in the form of DevType:Path. Current DevType is required as there is no
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current mounted device concept of current working directory concept implement
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by this library.
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Basic support for opening files on different device types. The device string
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is in the form of DevType:Path. Current DevType is required as there is no
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current mounted device concept of current working directory concept implement
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by this library.
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Device names are case insensative and only check the leading characters for
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unique matches. Thus the following are all the same:
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LoadFile0:
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l0:
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L0:
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Lo0:
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Device names are case insensative and only check the leading characters for
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unique matches. Thus the following are all the same:
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LoadFile0:
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l0:
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L0:
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Lo0:
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Supported Device Names:
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A0x1234:0x12 - A memory buffer starting at address 0x1234 for 0x12 bytes
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l1: - EFI LoadFile device one.
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B0: - EFI BlockIo zero.
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fs3: - EFI Simple File System device 3
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Fv2: - EFI Firmware VOlume device 2
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10.0.1.102: - TFTP service IP followed by the file name
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Supported Device Names:
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A0x1234:0x12 - A memory buffer starting at address 0x1234 for 0x12 bytes
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l1: - EFI LoadFile device one.
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B0: - EFI BlockIo zero.
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fs3: - EFI Simple File System device 3
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Fv2: - EFI Firmware VOlume device 2
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10.0.1.102: - TFTP service IP followed by the file name
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**/
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#include <PiDxe.h>
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@ -89,42 +89,42 @@ UINTN mLoadFileCount = 0;
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/**
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Internal worker function to validate a File handle.
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Internal worker function to validate a File handle.
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@param File Open File Handle
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@param File Open File Handle
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@return TRUE File is valid
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@return FALSE File is not valid
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@return TRUE File is valid
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@return FALSE File is not valid
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**/
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BOOLEAN
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FileHandleValid (
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IN EFI_OPEN_FILE *File
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)
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IN EFI_OPEN_FILE *File
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)
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{
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EFI_OPEN_FILE_GUARD *GuardFile;
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// Look right before and after file structure for the correct signatures
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GuardFile = BASE_CR (File, EFI_OPEN_FILE_GUARD, File);
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if ((GuardFile->Header != EFI_OPEN_FILE_GUARD_HEADER) ||
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(GuardFile->Footer != EFI_OPEN_FILE_GUARD_FOOTER) ) {
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return FALSE;
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}
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(GuardFile->Footer != EFI_OPEN_FILE_GUARD_FOOTER) ) {
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return FALSE;
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}
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return TRUE;
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return TRUE;
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}
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/**
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Internal worker function. If Buffer is not NULL free it.
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Internal worker function. If Buffer is not NULL free it.
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@param Buffer Buffer to FreePool()
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@param Buffer Buffer to FreePool()
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**/
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VOID
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EblFreePool (
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IN VOID *Buffer
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)
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IN VOID *Buffer
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)
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{
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if (Buffer != NULL) {
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FreePool (Buffer);
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@ -132,13 +132,13 @@ EblFreePool (
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}
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/**
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Update Device List Global Variables
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Update Device List Global Variables
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**/
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VOID
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EblUpdateDeviceLists (
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VOID
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)
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VOID
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)
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{
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EFI_STATUS Status;
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UINTN Size;
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@ -206,25 +206,25 @@ EblUpdateDeviceLists (
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/**
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PathName is in the form <device name>:<path> for example fs1:\ or ROOT:\.
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Return TRUE if the <devce name> prefix of PathName matches a file system
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Volume Name. MatchIndex is the array index in mFsInfo[] of the match,
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and it can be used with mFs[] to find the handle that needs to be opened
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PathName is in the form <device name>:<path> for example fs1:\ or ROOT:\.
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Return TRUE if the <devce name> prefix of PathName matches a file system
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Volume Name. MatchIndex is the array index in mFsInfo[] of the match,
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and it can be used with mFs[] to find the handle that needs to be opened
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@param PathName PathName to check
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@param FileStart Index of the first character of the <path>
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@param MatchIndex Index in mFsInfo[] that matches
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@param PathName PathName to check
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@param FileStart Index of the first character of the <path>
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@param MatchIndex Index in mFsInfo[] that matches
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@return TRUE PathName matches a Volume Label and MatchIndex is valid
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@return FALSE PathName does not match a Volume Label MatchIndex undefined
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@return TRUE PathName matches a Volume Label and MatchIndex is valid
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@return FALSE PathName does not match a Volume Label MatchIndex undefined
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**/
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BOOLEAN
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EblMatchVolumeName (
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IN CHAR8 *PathName,
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IN UINTN FileStart,
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OUT UINTN *MatchIndex
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)
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IN CHAR8 *PathName,
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IN UINTN FileStart,
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OUT UINTN *MatchIndex
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)
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{
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UINTN Index;
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UINTN Compare;
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@ -261,17 +261,17 @@ EblMatchVolumeName (
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/**
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Return the number of devices of the current type active in the system
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Return the number of devices of the current type active in the system
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@param Type Device type to check
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@param Type Device type to check
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@return 0 Invalid type
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@return 0 Invalid type
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**/
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UINTN
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EfiGetDeviceCounts (
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IN EFI_OPEN_FILE_TYPE DeviceType
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)
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IN EFI_OPEN_FILE_TYPE DeviceType
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)
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{
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switch (DeviceType) {
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case EfiOpenLoadFile:
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@ -289,9 +289,9 @@ EfiGetDeviceCounts (
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EFI_STATUS
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ConvertIpStringToEfiIp (
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IN CHAR8 *PathName,
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OUT EFI_IP_ADDRESS *ServerIp
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)
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IN CHAR8 *PathName,
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OUT EFI_IP_ADDRESS *ServerIp
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)
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{
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CHAR8 *Str;
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@ -324,19 +324,19 @@ ConvertIpStringToEfiIp (
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/**
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Internal work function to extract a device number from a string skipping
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text. Easy way to extract numbers from strings like blk7:.
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Internal work function to extract a device number from a string skipping
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text. Easy way to extract numbers from strings like blk7:.
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@param Str String to extract device number form
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@param Str String to extract device number form
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@return -1 Device string is not valid
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@return Device #
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@return -1 Device string is not valid
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@return Device #
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**/
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UINTN
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EblConvertDevStringToNumber (
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IN CHAR8 *Str
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)
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IN CHAR8 *Str
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)
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{
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UINTN Max;
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UINTN Index;
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@ -356,19 +356,19 @@ EblConvertDevStringToNumber (
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/**
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Internal work function to fill in EFI_OPEN_FILE information for the Fs and BlkIo
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Internal work function to fill in EFI_OPEN_FILE information for the Fs and BlkIo
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@param File Open file handle
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@param FileName Name of file after device stripped off
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@param File Open file handle
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@param FileName Name of file after device stripped off
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**/
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EFI_STATUS
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EblFileDevicePath (
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IN OUT EFI_OPEN_FILE *File,
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IN CHAR8 *FileName,
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IN CONST UINT64 OpenMode
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)
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IN OUT EFI_OPEN_FILE *File,
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IN CHAR8 *FileName,
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IN CONST UINT64 OpenMode
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)
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{
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EFI_STATUS Status;
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UINTN Size;
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@ -454,9 +454,9 @@ EblFileDevicePath (
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EFI_STATUS
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CompareGuidToString (
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IN EFI_GUID *Guid,
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IN CHAR8 *String
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)
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IN EFI_GUID *Guid,
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IN CHAR8 *String
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)
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{
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CHAR8 AsciiGuid[64];
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CHAR8 *StringPtr;
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@ -492,19 +492,19 @@ CompareGuidToString (
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/**
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Internal work function to fill in EFI_OPEN_FILE information for the FV
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Internal work function to fill in EFI_OPEN_FILE information for the FV
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@param File Open file handle
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@param FileName Name of file after device stripped off
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@param File Open file handle
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@param FileName Name of file after device stripped off
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**/
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EFI_STATUS
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EblFvFileDevicePath (
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IN OUT EFI_OPEN_FILE *File,
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IN CHAR8 *FileName,
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IN CONST UINT64 OpenMode
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)
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IN OUT EFI_OPEN_FILE *File,
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IN CHAR8 *FileName,
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IN CONST UINT64 OpenMode
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)
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{
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EFI_STATUS Status;
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EFI_STATUS GetNextFileStatus;
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@ -560,13 +560,13 @@ EblFvFileDevicePath (
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do {
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File->FvType = EFI_FV_FILETYPE_ALL;
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GetNextFileStatus = File->Fv->GetNextFile (
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File->Fv,
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&Key,
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&File->FvType,
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&File->FvNameGuid,
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&File->FvAttributes,
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&File->Size
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);
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File->Fv,
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&Key,
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&File->FvType,
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&File->FvNameGuid,
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&File->FvAttributes,
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&File->Size
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);
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if (!EFI_ERROR (GetNextFileStatus)) {
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// Compare GUID first
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Status = CompareGuidToString (&File->FvNameGuid, FileName);
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@ -576,14 +576,14 @@ EblFvFileDevicePath (
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Section = NULL;
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Status = File->Fv->ReadSection (
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File->Fv,
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&File->FvNameGuid,
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EFI_SECTION_USER_INTERFACE,
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0,
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&Section,
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&SectionSize,
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&AuthenticationStatus
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);
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File->Fv,
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&File->FvNameGuid,
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EFI_SECTION_USER_INTERFACE,
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0,
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&Section,
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&SectionSize,
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&AuthenticationStatus
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);
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if (!EFI_ERROR (Status)) {
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UnicodeStrToAsciiStr (Section, AsciiSection);
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if (AsciiStriCmp (FileName, AsciiSection) == 0) {
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@ -604,14 +604,14 @@ EblFvFileDevicePath (
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Section = NULL;
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File->Size = 0;
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Status = File->Fv->ReadSection (
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File->Fv,
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&File->FvNameGuid,
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OpenMode,
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0,
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&Section,
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&File->Size,
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&AuthenticationStatus
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);
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File->Fv,
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&File->FvNameGuid,
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(EFI_SECTION_TYPE)OpenMode,
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0,
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&Section,
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&File->Size,
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&AuthenticationStatus
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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@ -631,30 +631,30 @@ EblFvFileDevicePath (
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/**
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Open a device named by PathName. The PathName includes a device name and
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path seperated by a :. See file header for more details on the PathName
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syntax. There is no checking to prevent a file from being opened more than
|
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one type.
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Open a device named by PathName. The PathName includes a device name and
|
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path seperated by a :. See file header for more details on the PathName
|
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syntax. There is no checking to prevent a file from being opened more than
|
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one type.
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|
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SectionType is only used to open an FV. Each file in an FV contains multiple
|
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secitons and only the SectionType section is opened.
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SectionType is only used to open an FV. Each file in an FV contains multiple
|
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secitons and only the SectionType section is opened.
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For any file that is opened with EfiOpen() must be closed with EfiClose().
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For any file that is opened with EfiOpen() must be closed with EfiClose().
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|
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@param PathName Path to parse to open
|
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@param OpenMode Same as EFI_FILE.Open()
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@param SectionType Section in FV to open.
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@param PathName Path to parse to open
|
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@param OpenMode Same as EFI_FILE.Open()
|
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@param SectionType Section in FV to open.
|
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|
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@return NULL Open failed
|
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@return Valid EFI_OPEN_FILE handle
|
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@return NULL Open failed
|
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@return Valid EFI_OPEN_FILE handle
|
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|
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**/
|
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EFI_OPEN_FILE *
|
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EfiOpen (
|
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IN CHAR8 *PathName,
|
||||
IN CONST UINT64 OpenMode,
|
||||
IN CONST EFI_SECTION_TYPE SectionType
|
||||
)
|
||||
IN CHAR8 *PathName,
|
||||
IN CONST UINT64 OpenMode,
|
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IN CONST EFI_SECTION_TYPE SectionType
|
||||
)
|
||||
{
|
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EFI_STATUS Status;
|
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EFI_OPEN_FILE *File;
|
||||
@ -782,7 +782,7 @@ EfiOpen (
|
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if (PathName[Index] == ':') {
|
||||
// Support fv0:\DxeCore:0x10
|
||||
// This means open the PE32 Section of the file
|
||||
ModifiedSectionType = AsciiStrHexToUintn (&PathName[Index + 1]);
|
||||
ModifiedSectionType = (EFI_SECTION_TYPE)AsciiStrHexToUintn (&PathName[Index + 1]);
|
||||
PathName[Index] = '\0';
|
||||
}
|
||||
}
|
||||
@ -910,9 +910,9 @@ ErrorExit:
|
||||
|
||||
EFI_STATUS
|
||||
EfiCopyFile (
|
||||
IN CHAR8 *DestinationFile,
|
||||
IN CHAR8 *SourceFile
|
||||
)
|
||||
IN CHAR8 *DestinationFile,
|
||||
IN CHAR8 *SourceFile
|
||||
)
|
||||
{
|
||||
EFI_OPEN_FILE *Source = NULL;
|
||||
EFI_OPEN_FILE *Destination = NULL;
|
||||
@ -1000,20 +1000,20 @@ Exit:
|
||||
}
|
||||
|
||||
/**
|
||||
Use DeviceType and Index to form a valid PathName and try and open it.
|
||||
Use DeviceType and Index to form a valid PathName and try and open it.
|
||||
|
||||
@param DeviceType Device type to open
|
||||
@param Index Device Index to use. Zero relative.
|
||||
@param DeviceType Device type to open
|
||||
@param Index Device Index to use. Zero relative.
|
||||
|
||||
@return NULL Open failed
|
||||
@return Valid EFI_OPEN_FILE handle
|
||||
@return NULL Open failed
|
||||
@return Valid EFI_OPEN_FILE handle
|
||||
|
||||
**/
|
||||
EFI_OPEN_FILE *
|
||||
EfiDeviceOpenByType (
|
||||
IN EFI_OPEN_FILE_TYPE DeviceType,
|
||||
IN UINTN Index
|
||||
)
|
||||
IN EFI_OPEN_FILE_TYPE DeviceType,
|
||||
IN UINTN Index
|
||||
)
|
||||
{
|
||||
CHAR8 *DevStr;
|
||||
CHAR8 Path[MAX_CMD_LINE];
|
||||
@ -1045,19 +1045,19 @@ EfiDeviceOpenByType (
|
||||
|
||||
|
||||
/**
|
||||
Close a file handle opened by EfiOpen() and free all resources allocated by
|
||||
EfiOpen().
|
||||
Close a file handle opened by EfiOpen() and free all resources allocated by
|
||||
EfiOpen().
|
||||
|
||||
@param Stream Open File Handle
|
||||
@param Stream Open File Handle
|
||||
|
||||
@return EFI_INVALID_PARAMETER Stream is not an Open File
|
||||
@return EFI_SUCCESS Steam closed
|
||||
@return EFI_INVALID_PARAMETER Stream is not an Open File
|
||||
@return EFI_SUCCESS Steam closed
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EfiClose (
|
||||
IN EFI_OPEN_FILE *File
|
||||
)
|
||||
IN EFI_OPEN_FILE *File
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINT64 TftpBufferSize;
|
||||
@ -1071,16 +1071,16 @@ EfiClose (
|
||||
|
||||
TftpBufferSize = File->Size;
|
||||
Status = EblMtftp (
|
||||
EFI_PXE_BASE_CODE_TFTP_WRITE_FILE,
|
||||
File->Buffer,
|
||||
TRUE,
|
||||
&TftpBufferSize,
|
||||
NULL,
|
||||
&File->ServerIp,
|
||||
(UINT8 *)File->FileName,
|
||||
NULL,
|
||||
FALSE
|
||||
);
|
||||
EFI_PXE_BASE_CODE_TFTP_WRITE_FILE,
|
||||
File->Buffer,
|
||||
TRUE,
|
||||
&TftpBufferSize,
|
||||
NULL,
|
||||
&File->ServerIp,
|
||||
(UINT8 *)File->FileName,
|
||||
NULL,
|
||||
FALSE
|
||||
);
|
||||
if (EFI_ERROR(Status)) {
|
||||
AsciiPrint("TFTP error during APPLE_NSP_TFTP_WRITE_FILE: %r\n", Status);
|
||||
return Status;
|
||||
@ -1088,41 +1088,41 @@ EfiClose (
|
||||
}
|
||||
|
||||
if ((File->Type == EfiOpenLoadFile) ||
|
||||
((File->Type == EfiOpenTftp) && (File->IsBufferValid == TRUE)) ||
|
||||
((File->Type == EfiOpenFirmwareVolume) && (File->IsBufferValid == TRUE))) {
|
||||
EblFreePool(File->Buffer);
|
||||
}
|
||||
((File->Type == EfiOpenTftp) && (File->IsBufferValid == TRUE)) ||
|
||||
((File->Type == EfiOpenFirmwareVolume) && (File->IsBufferValid == TRUE))) {
|
||||
EblFreePool(File->Buffer);
|
||||
}
|
||||
|
||||
EblFreePool (File->DevicePath);
|
||||
EblFreePool (File->DeviceName);
|
||||
EblFreePool (File->FsFileInfo);
|
||||
EblFreePool (File->FsInfo);
|
||||
EblFreePool (File->DevicePath);
|
||||
EblFreePool (File->DeviceName);
|
||||
EblFreePool (File->FsFileInfo);
|
||||
EblFreePool (File->FsInfo);
|
||||
|
||||
if (File->FsFileHandle != NULL) {
|
||||
File->FsFileHandle->Close (File->FsFileHandle);
|
||||
}
|
||||
if (File->FsFileHandle != NULL) {
|
||||
File->FsFileHandle->Close (File->FsFileHandle);
|
||||
}
|
||||
|
||||
// Need to free File and it's Guard structures
|
||||
EblFreePool (BASE_CR (File, EFI_OPEN_FILE_GUARD, File));
|
||||
return EFI_SUCCESS;
|
||||
// Need to free File and it's Guard structures
|
||||
EblFreePool (BASE_CR (File, EFI_OPEN_FILE_GUARD, File));
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Return the size of the file represented by Stream. Also return the current
|
||||
Seek position. Opening a file will enable a valid file size to be returned.
|
||||
LoadFile is an exception as a load file size is set to zero.
|
||||
Return the size of the file represented by Stream. Also return the current
|
||||
Seek position. Opening a file will enable a valid file size to be returned.
|
||||
LoadFile is an exception as a load file size is set to zero.
|
||||
|
||||
@param Stream Open File Handle
|
||||
@param Stream Open File Handle
|
||||
|
||||
@return 0 Stream is not an Open File or a valid LoadFile handle
|
||||
@return 0 Stream is not an Open File or a valid LoadFile handle
|
||||
|
||||
**/
|
||||
UINTN
|
||||
EfiTell (
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT EFI_LBA *CurrentPosition OPTIONAL
|
||||
)
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT EFI_LBA *CurrentPosition OPTIONAL
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINT64 BufferSize = 0;
|
||||
@ -1148,16 +1148,16 @@ EfiTell (
|
||||
} else if (File->Type == EfiOpenTftp) {
|
||||
|
||||
Status = EblMtftp (
|
||||
EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE,
|
||||
NULL,
|
||||
FALSE,
|
||||
&BufferSize,
|
||||
NULL,
|
||||
&File->ServerIp,
|
||||
(UINT8 *)File->FileName,
|
||||
NULL,
|
||||
TRUE
|
||||
);
|
||||
EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE,
|
||||
NULL,
|
||||
FALSE,
|
||||
&BufferSize,
|
||||
NULL,
|
||||
&File->ServerIp,
|
||||
(UINT8 *)File->FileName,
|
||||
NULL,
|
||||
TRUE
|
||||
);
|
||||
if (EFI_ERROR(Status)) {
|
||||
AsciiPrint("TFTP error during APPLE_NSP_TFTP_GET_FILE_SIZE: %r\n", Status);
|
||||
return 0;
|
||||
@ -1172,32 +1172,32 @@ EfiTell (
|
||||
|
||||
|
||||
/**
|
||||
Seek to the Offset locaiton in the file. LoadFile and FV device types do
|
||||
not support EfiSeek(). It is not possible to grow the file size using
|
||||
EfiSeek().
|
||||
Seek to the Offset locaiton in the file. LoadFile and FV device types do
|
||||
not support EfiSeek(). It is not possible to grow the file size using
|
||||
EfiSeek().
|
||||
|
||||
SeekType defines how use Offset to calculate the new file position:
|
||||
EfiSeekStart : Position = Offset
|
||||
EfiSeekCurrent: Position is Offset bytes from the current position
|
||||
EfiSeekEnd : Only supported if Offset is zero to seek to end of file.
|
||||
SeekType defines how use Offset to calculate the new file position:
|
||||
EfiSeekStart : Position = Offset
|
||||
EfiSeekCurrent: Position is Offset bytes from the current position
|
||||
EfiSeekEnd : Only supported if Offset is zero to seek to end of file.
|
||||
|
||||
@param Stream Open File Handle
|
||||
@param Offset Offset to seek too.
|
||||
@param SeekType Type of seek to perform
|
||||
@param Stream Open File Handle
|
||||
@param Offset Offset to seek too.
|
||||
@param SeekType Type of seek to perform
|
||||
|
||||
|
||||
@return EFI_INVALID_PARAMETER Stream is not an Open File
|
||||
@return EFI_UNSUPPORTED LoadFile and FV doe not support Seek
|
||||
@return EFI_NOT_FOUND Seek past the end of the file.
|
||||
@return EFI_SUCCESS Steam closed
|
||||
@return EFI_INVALID_PARAMETER Stream is not an Open File
|
||||
@return EFI_UNSUPPORTED LoadFile and FV doe not support Seek
|
||||
@return EFI_NOT_FOUND Seek past the end of the file.
|
||||
@return EFI_SUCCESS Steam closed
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EfiSeek (
|
||||
IN EFI_OPEN_FILE *File,
|
||||
IN EFI_LBA Offset,
|
||||
IN EFI_SEEK_TYPE SeekType
|
||||
)
|
||||
IN EFI_OPEN_FILE *File,
|
||||
IN EFI_LBA Offset,
|
||||
IN EFI_SEEK_TYPE SeekType
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINT64 CurrentPosition;
|
||||
@ -1253,8 +1253,8 @@ EfiSeek (
|
||||
|
||||
EFI_STATUS
|
||||
CacheTftpFile (
|
||||
IN OUT EFI_OPEN_FILE *File
|
||||
)
|
||||
IN OUT EFI_OPEN_FILE *File
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINT64 TftpBufferSize;
|
||||
@ -1275,15 +1275,15 @@ CacheTftpFile (
|
||||
TftpBufferSize = File->Size;
|
||||
|
||||
Status = EblMtftp (
|
||||
EFI_PXE_BASE_CODE_TFTP_READ_FILE,
|
||||
File->Buffer,
|
||||
FALSE,
|
||||
&TftpBufferSize,
|
||||
NULL,
|
||||
&File->ServerIp,
|
||||
(UINT8 *)File->FileName,
|
||||
NULL,
|
||||
FALSE);
|
||||
EFI_PXE_BASE_CODE_TFTP_READ_FILE,
|
||||
File->Buffer,
|
||||
FALSE,
|
||||
&TftpBufferSize,
|
||||
NULL,
|
||||
&File->ServerIp,
|
||||
(UINT8 *)File->FileName,
|
||||
NULL,
|
||||
FALSE);
|
||||
if (EFI_ERROR(Status)) {
|
||||
AsciiPrint("TFTP error during APPLE_NSP_TFTP_READ_FILE: %r\n", Status);
|
||||
FreePool(File->Buffer);
|
||||
@ -1297,27 +1297,27 @@ CacheTftpFile (
|
||||
}
|
||||
|
||||
/**
|
||||
Read BufferSize bytes from the current locaiton in the file. For load file,
|
||||
FV, and TFTP case you must read the entire file.
|
||||
Read BufferSize bytes from the current locaiton in the file. For load file,
|
||||
FV, and TFTP case you must read the entire file.
|
||||
|
||||
@param Stream Open File Handle
|
||||
@param Buffer Caller allocated buffer.
|
||||
@param BufferSize Size of buffer in bytes.
|
||||
@param Stream Open File Handle
|
||||
@param Buffer Caller allocated buffer.
|
||||
@param BufferSize Size of buffer in bytes.
|
||||
|
||||
|
||||
@return EFI_SUCCESS Stream is not an Open File
|
||||
@return EFI_END_OF_FILE Tried to read past the end of the file
|
||||
@return EFI_INVALID_PARAMETER Stream is not an open file handle
|
||||
@return EFI_BUFFER_TOO_SMALL Buffer is not big enough to do the read
|
||||
@return "other" Error returned from device read
|
||||
@return EFI_SUCCESS Stream is not an Open File
|
||||
@return EFI_END_OF_FILE Tried to read past the end of the file
|
||||
@return EFI_INVALID_PARAMETER Stream is not an open file handle
|
||||
@return EFI_BUFFER_TOO_SMALL Buffer is not big enough to do the read
|
||||
@return "other" Error returned from device read
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EfiRead (
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT VOID *Buffer,
|
||||
OUT UINTN *BufferSize
|
||||
)
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT VOID *Buffer,
|
||||
OUT UINTN *BufferSize
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
UINT32 AuthenticationStatus;
|
||||
@ -1350,24 +1350,24 @@ EfiRead (
|
||||
if (File->Buffer == NULL) {
|
||||
if (File->FvSectionType == EFI_SECTION_ALL) {
|
||||
Status = File->Fv->ReadFile (
|
||||
File->Fv,
|
||||
&File->FvNameGuid,
|
||||
(VOID **)&File->Buffer,
|
||||
&File->Size,
|
||||
&File->FvType,
|
||||
&File->FvAttributes,
|
||||
&AuthenticationStatus
|
||||
);
|
||||
File->Fv,
|
||||
&File->FvNameGuid,
|
||||
(VOID **)&File->Buffer,
|
||||
&File->Size,
|
||||
&File->FvType,
|
||||
&File->FvAttributes,
|
||||
&AuthenticationStatus
|
||||
);
|
||||
} else {
|
||||
Status = File->Fv->ReadSection (
|
||||
File->Fv,
|
||||
&File->FvNameGuid,
|
||||
File->FvSectionType,
|
||||
0,
|
||||
(VOID **)&File->Buffer,
|
||||
&File->Size,
|
||||
&AuthenticationStatus
|
||||
);
|
||||
File->Fv,
|
||||
&File->FvNameGuid,
|
||||
File->FvSectionType,
|
||||
0,
|
||||
(VOID **)&File->Buffer,
|
||||
&File->Size,
|
||||
&AuthenticationStatus
|
||||
);
|
||||
}
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
@ -1425,30 +1425,30 @@ EfiRead (
|
||||
|
||||
|
||||
/**
|
||||
Read the entire file into a buffer. This routine allocates the buffer and
|
||||
returns it to the user full of the read data.
|
||||
Read the entire file into a buffer. This routine allocates the buffer and
|
||||
returns it to the user full of the read data.
|
||||
|
||||
This is very useful for load flie where it's hard to know how big the buffer
|
||||
must be.
|
||||
This is very useful for load flie where it's hard to know how big the buffer
|
||||
must be.
|
||||
|
||||
@param Stream Open File Handle
|
||||
@param Buffer Pointer to buffer to return.
|
||||
@param BufferSize Pointer to Size of buffer return..
|
||||
@param Stream Open File Handle
|
||||
@param Buffer Pointer to buffer to return.
|
||||
@param BufferSize Pointer to Size of buffer return..
|
||||
|
||||
|
||||
@return EFI_SUCCESS Stream is not an Open File
|
||||
@return EFI_END_OF_FILE Tried to read past the end of the file
|
||||
@return EFI_INVALID_PARAMETER Stream is not an open file handle
|
||||
@return EFI_BUFFER_TOO_SMALL Buffer is not big enough to do the read
|
||||
@return "other" Error returned from device read
|
||||
@return EFI_SUCCESS Stream is not an Open File
|
||||
@return EFI_END_OF_FILE Tried to read past the end of the file
|
||||
@return EFI_INVALID_PARAMETER Stream is not an open file handle
|
||||
@return EFI_BUFFER_TOO_SMALL Buffer is not big enough to do the read
|
||||
@return "other" Error returned from device read
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EfiReadAllocatePool (
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT VOID **Buffer,
|
||||
OUT UINTN *BufferSize
|
||||
)
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT VOID **Buffer,
|
||||
OUT UINTN *BufferSize
|
||||
)
|
||||
{
|
||||
if (!FileHandleValid (File)) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
@ -1468,26 +1468,26 @@ EfiReadAllocatePool (
|
||||
|
||||
|
||||
/**
|
||||
Write data back to the file. For TFTP case you must write the entire file.
|
||||
Write data back to the file. For TFTP case you must write the entire file.
|
||||
|
||||
@param Stream Open File Handle
|
||||
@param Buffer Pointer to buffer to return.
|
||||
@param BufferSize Pointer to Size of buffer return..
|
||||
@param Stream Open File Handle
|
||||
@param Buffer Pointer to buffer to return.
|
||||
@param BufferSize Pointer to Size of buffer return..
|
||||
|
||||
|
||||
@return EFI_SUCCESS Stream is not an Open File
|
||||
@return EFI_END_OF_FILE Tried to read past the end of the file
|
||||
@return EFI_INVALID_PARAMETER Stream is not an open file handle
|
||||
@return EFI_BUFFER_TOO_SMALL Buffer is not big enough to do the read
|
||||
@return "other" Error returned from device write
|
||||
@return EFI_SUCCESS Stream is not an Open File
|
||||
@return EFI_END_OF_FILE Tried to read past the end of the file
|
||||
@return EFI_INVALID_PARAMETER Stream is not an open file handle
|
||||
@return EFI_BUFFER_TOO_SMALL Buffer is not big enough to do the read
|
||||
@return "other" Error returned from device write
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EfiWrite (
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT VOID *Buffer,
|
||||
OUT UINTN *BufferSize
|
||||
)
|
||||
IN EFI_OPEN_FILE *File,
|
||||
OUT VOID *Buffer,
|
||||
OUT UINTN *BufferSize
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_FV_WRITE_FILE_DATA FileData;
|
||||
@ -1589,21 +1589,21 @@ EfiWrite (
|
||||
|
||||
|
||||
/**
|
||||
Given Cwd expand Path to remove .. and replace them with real
|
||||
directory names.
|
||||
Given Cwd expand Path to remove .. and replace them with real
|
||||
directory names.
|
||||
|
||||
@param Cwd Current Working Directory
|
||||
@param Path Path to expand
|
||||
@param Cwd Current Working Directory
|
||||
@param Path Path to expand
|
||||
|
||||
@return NULL Cwd or Path are not valid
|
||||
@return 'other' Path with .. expanded
|
||||
@return NULL Cwd or Path are not valid
|
||||
@return 'other' Path with .. expanded
|
||||
|
||||
**/
|
||||
CHAR8 *
|
||||
ExpandPath (
|
||||
IN CHAR8 *Cwd,
|
||||
IN CHAR8 *Path
|
||||
)
|
||||
IN CHAR8 *Cwd,
|
||||
IN CHAR8 *Path
|
||||
)
|
||||
{
|
||||
CHAR8 *NewPath;
|
||||
CHAR8 *Work, *Start, *End;
|
||||
@ -1666,20 +1666,20 @@ ExpandPath (
|
||||
|
||||
|
||||
/**
|
||||
Set the Curent Working Directory (CWD). If a call is made to EfiOpen () and
|
||||
the path does not contain a device name, The CWD is prepended to the path.
|
||||
Set the Curent Working Directory (CWD). If a call is made to EfiOpen () and
|
||||
the path does not contain a device name, The CWD is prepended to the path.
|
||||
|
||||
@param Cwd Current Working Directory to set
|
||||
@param Cwd Current Working Directory to set
|
||||
|
||||
|
||||
@return EFI_SUCCESS CWD is set
|
||||
@return EFI_INVALID_PARAMETER Cwd is not a valid device:path
|
||||
@return EFI_SUCCESS CWD is set
|
||||
@return EFI_INVALID_PARAMETER Cwd is not a valid device:path
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EfiSetCwd (
|
||||
IN CHAR8 *Cwd
|
||||
)
|
||||
IN CHAR8 *Cwd
|
||||
)
|
||||
{
|
||||
EFI_OPEN_FILE *File;
|
||||
UINTN Len;
|
||||
@ -1729,13 +1729,6 @@ EfiSetCwd (
|
||||
if (gCwd == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
AsciiStrCpy (gCwd, File->DeviceName);
|
||||
if (File->FileName == NULL) {
|
||||
AsciiStrCat (gCwd, ":\\");
|
||||
} else {
|
||||
AsciiStrCat (gCwd, ":");
|
||||
AsciiStrCat (gCwd, File->FileName);
|
||||
}
|
||||
|
||||
EfiClose (File);
|
||||
if (Path != Cwd) {
|
||||
@ -1746,23 +1739,23 @@ EfiSetCwd (
|
||||
|
||||
|
||||
/**
|
||||
Set the Curent Working Directory (CWD). If a call is made to EfiOpen () and
|
||||
the path does not contain a device name, The CWD is prepended to the path.
|
||||
The CWD buffer is only valid until a new call is made to EfiSetCwd(). After
|
||||
a call to EfiSetCwd() it is not legal to use the pointer returned by
|
||||
this funciton.
|
||||
Set the Curent Working Directory (CWD). If a call is made to EfiOpen () and
|
||||
the path does not contain a device name, The CWD is prepended to the path.
|
||||
The CWD buffer is only valid until a new call is made to EfiSetCwd(). After
|
||||
a call to EfiSetCwd() it is not legal to use the pointer returned by
|
||||
this funciton.
|
||||
|
||||
@param Cwd Current Working Directory
|
||||
@param Cwd Current Working Directory
|
||||
|
||||
|
||||
@return "" No CWD set
|
||||
@return 'other' Returns buffer that contains CWD.
|
||||
@return "" No CWD set
|
||||
@return 'other' Returns buffer that contains CWD.
|
||||
|
||||
**/
|
||||
CHAR8 *
|
||||
EfiGetCwd (
|
||||
VOID
|
||||
)
|
||||
VOID
|
||||
)
|
||||
{
|
||||
if (gCwd == NULL) {
|
||||
return "";
|
||||
|
||||
Reference in New Issue
Block a user