117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/**
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* PROJECT: ExectOS
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* COPYRIGHT: See COPYING.md in the top level directory
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* FILE: xtldr/config.c
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* DESCRIPTION: XT Boot Manager Configuration
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* DEVELOPERS: Rafal Kupiec <belliash@codingworkshop.eu.org>
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*/
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#include <xtbm.h>
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XTCDECL
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VOID
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BmpParseCommandLineOptions(VOID)
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{
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EFI_GUID LIPGuid = EFI_LOADED_IMAGE_PROTOCOL_GUID;
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PEFI_LOADED_IMAGE_PROTOCOL LoadedImage;
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EFI_STATUS Status;
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/* Handle loaded image protocol */
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Status = EfiSystemTable->BootServices->HandleProtocol(EfiImageHandle, &LIPGuid, (PVOID *)&LoadedImage);
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if(Status == STATUS_EFI_SUCCESS)
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{
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/* Check if launched from UEFI shell */
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if(LoadedImage && LoadedImage->LoadOptions)
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{
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/* Update global boot loader configuration */
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BmpUpdateGlobalConfiguration(LoadedImage->LoadOptions);
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}
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}
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}
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XTCDECL
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VOID
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BmpUpdateGlobalConfiguration(IN PWCHAR Options)
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{
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PWCHAR Argument, LastArg;
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SIZE_T Length;
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/* Tokenize provided options */
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Argument = RtlWideStringTokenize(Options, L" ", &LastArg);
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/* Iterate over all arguments passed to boot loader */
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while(Argument != NULL)
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{
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/* Check all provided parameters */
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if(RtlWideStringCompare(Argument, L"DEFAULT=", 8) == 0)
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{
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/* Skip to the argument value and calculate argument length */
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Argument += 8;
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Length = RtlWideStringLength(Argument, 0);
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/* Save default OS parameter in global configuration */
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BmAllocateEfiPool(Length, (PVOID *)&BmpConfiguration.Default);
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RtlCopyMemory(BmpConfiguration.Default, Argument, (Length * sizeof(WCHAR)) - 1);
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BmpConfiguration.Default[Length] = '\0';
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}
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else if(RtlWideStringCompare(Argument, L"DEBUG=", 6) == 0)
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{
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/* Skip to the argument value */
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Argument += 6;
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Length = RtlWideStringLength(Argument, 0);
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/* Save debug port in global configuration */
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BmAllocateEfiPool(Length, (PVOID *)&BmpConfiguration.Debug);
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RtlCopyMemory(BmpConfiguration.Debug, Argument, (Length * sizeof(WCHAR)) - 1);
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BmpConfiguration.Debug[Length] = '\0';
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}
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else if(RtlWideStringCompare(Argument, L"SHELL", 5) == 0)
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{
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/* Force shell mode */
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BmpConfiguration.Shell = TRUE;
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}
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else if(RtlWideStringCompare(Argument, L"THEME=", 6) == 0)
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{
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/* Skip to the argument value */
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Argument += 6;
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Length = RtlWideStringLength(Argument, 0);
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/* Save theme in global configuration */
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BmAllocateEfiPool(Length, (PVOID *)&BmpConfiguration.Theme);
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RtlCopyMemory(BmpConfiguration.Theme, Argument, (Length * sizeof(WCHAR)) - 1);
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BmpConfiguration.Theme[Length] = '\0';
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}
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else if(RtlWideStringCompare(Argument, L"TIMEOUT=", 8) == 0)
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{
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/* Skip to the argument value */
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Argument += 8;
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/* Zero the timeout */
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BmpConfiguration.Timeout = 0;
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/* Read the timeout value and store it in global configuration */
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while(*Argument >= '0' && *Argument <= '9')
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{
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BmpConfiguration.Timeout *= 10;
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BmpConfiguration.Timeout += *Argument - '0';
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Argument++;
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}
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}
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else if(RtlWideStringCompare(Argument, L"TUNE=", 5) == 0)
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{
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/* Skip to the argument value */
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Argument += 5;
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Length = RtlWideStringLength(Argument, 0);
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/* Save theme in global configuration */
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BmAllocateEfiPool(Length, (PVOID *)&BmpConfiguration.Tune);
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RtlCopyMemory(BmpConfiguration.Tune, Argument, (Length * sizeof(WCHAR)) - 1);
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BmpConfiguration.Tune[Length] = '\0';
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}
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/* Take next argument */
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Argument = RtlWideStringTokenize(NULL, L" ", &LastArg);
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}
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}
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