mirror of https://github.com/acidanthera/audk.git
129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/** @file
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Script command allows the execution of commands from a text file
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Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
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Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
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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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Module Name: EfiDevice.c
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**/
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#include "Ebl.h"
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/**
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Execute the passed in file like a series of commands. The ; can be used on
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a single line to indicate multiple commands per line. The Ascii text file
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can contain any number of lines. The following line termination forms are
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supported:
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LF : Unix, Mac OS X*, BeOS
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CR+LF: MS-DOS*, Microsoft Windows*
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CR : Commodore, Apple II, and really Mac OS
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LF+CR: for simplicity and completeness
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Argv[0] - "script"
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Argv[1] - Device Name:path for the file to load
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script fv1:\script.txt
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@param Argc Number of command arguments in Argv
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@param Argv Array of strings that represent the parsed command line.
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Argv[0] is the command name
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@return EFI_SUCCESS
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**/
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EFI_STATUS
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EFIAPI
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EblScriptCmd (
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IN UINTN Argc,
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IN CHAR8 **Argv
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)
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{
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EFI_STATUS Status;
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EFI_OPEN_FILE *File;
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VOID *Address;
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UINTN Size;
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CHAR8 *Ptr;
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CHAR8 *ScanPtr;
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UINTN CmdLineSize;
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if (Argc < 2) {
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// file name required
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return EFI_SUCCESS;
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}
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File = EfiOpen (Argv[1], EFI_FILE_MODE_READ, 0);
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if (File == NULL) {
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AsciiPrint (" %a is not a valid path\n", Argv[1]);
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return EFI_SUCCESS;
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}
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Status = EfiReadAllocatePool (File, &Address, &Size);
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if (!EFI_ERROR (Status)) {
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// Loop through each line in the text file
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for (Ptr = (CHAR8 *)Address; (Ptr < (((CHAR8 *)Address) + Size)) && !EFI_ERROR (Status); Ptr += CmdLineSize) {
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for (CmdLineSize = 0, ScanPtr = Ptr; ; CmdLineSize++, ScanPtr++) {
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// look for the end of the line
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if ((*ScanPtr == EBL_CR) || (*ScanPtr == EBL_LF)) {
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// convert to NULL as this is what input routine would do
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*ScanPtr = 0;
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if ((*(ScanPtr + 1) == EBL_CR) || (*(ScanPtr + 1) == EBL_LF)) {
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// if its a set get the 2nd EOL char
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CmdLineSize++;
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*(ScanPtr + 1) = 0;
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}
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CmdLineSize++;
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break;
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}
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}
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Status = ProcessCmdLine (Ptr, CmdLineSize);
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}
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FreePool (Address);
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}
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EfiClose (File);
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return Status;
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}
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GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mScriptTemplate[] = {
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{
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"script",
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" device:path; load an ascii file and execute it like commands",
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NULL,
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EblScriptCmd
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}
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};
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/**
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Initialize the commands in this in this file
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**/
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VOID
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EblInitializeScriptCmd (
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VOID
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)
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{
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if (FeaturePcdGet (PcdEmbeddedScriptCmd)) {
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EblAddCommands (mScriptTemplate, sizeof (mScriptTemplate)/sizeof (EBL_COMMAND_TABLE));
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}
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}
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