mirror of
https://github.com/reactos/reactos.git
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341 lines
10 KiB
C
341 lines
10 KiB
C
/*
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* FreeLoader
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*
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* Copyright (C) 2009 Aleksey Bragin <aleksey@reactos.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <freeldr.h>
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#include <ndk/ldrtypes.h>
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#include <arc/setupblk.h>
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#include <debug.h>
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DBG_DEFAULT_CHANNEL(WINDOWS);
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#define TAG_BOOT_OPTIONS 'pOtB'
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void
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WinLdrSetupMachineDependent(PLOADER_PARAMETER_BLOCK LoaderBlock);
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VOID
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WinLdrSetProcessorContext(void);
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// TODO: Move to .h
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VOID AllocateAndInitLPB(PLOADER_PARAMETER_BLOCK *OutLoaderBlock);
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static VOID
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SetupLdrLoadNlsData(PLOADER_PARAMETER_BLOCK LoaderBlock, HINF InfHandle, LPCSTR SearchPath)
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{
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INFCONTEXT InfContext;
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BOOLEAN Success;
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LPCSTR AnsiName, OemName, LangName;
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/* Get ANSI codepage file */
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if (!InfFindFirstLine(InfHandle, "NLS", "AnsiCodepage", &InfContext))
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{
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ERR("Failed to find 'NLS/AnsiCodepage'\n");
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return;
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}
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if (!InfGetDataField(&InfContext, 1, &AnsiName))
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{
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ERR("Failed to get load options\n");
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return;
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}
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/* Get OEM codepage file */
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if (!InfFindFirstLine(InfHandle, "NLS", "OemCodepage", &InfContext))
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{
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ERR("Failed to find 'NLS/AnsiCodepage'\n");
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return;
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}
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if (!InfGetDataField(&InfContext, 1, &OemName))
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{
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ERR("Failed to get load options\n");
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return;
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}
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if (!InfFindFirstLine(InfHandle, "NLS", "UnicodeCasetable", &InfContext))
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{
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ERR("Failed to find 'NLS/AnsiCodepage'\n");
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return;
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}
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if (!InfGetDataField(&InfContext, 1, &LangName))
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{
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ERR("Failed to get load options\n");
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return;
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}
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Success = WinLdrLoadNLSData(LoaderBlock, SearchPath, AnsiName, OemName, LangName);
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TRACE("NLS data loading %s\n", Success ? "successful" : "failed");
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}
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static VOID
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SetupLdrScanBootDrivers(PLIST_ENTRY BootDriverListHead, HINF InfHandle, LPCSTR SearchPath)
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{
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INFCONTEXT InfContext, dirContext;
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BOOLEAN Success;
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LPCSTR Media, DriverName, dirIndex, ImagePath;
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WCHAR ServiceName[256];
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WCHAR ImagePathW[256];
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/* Open inf section */
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if (!InfFindFirstLine(InfHandle, "SourceDisksFiles", NULL, &InfContext))
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return;
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/* Load all listed boot drivers */
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do
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{
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if (InfGetDataField(&InfContext, 7, &Media) &&
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InfGetDataField(&InfContext, 0, &DriverName) &&
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InfGetDataField(&InfContext, 13, &dirIndex))
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{
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if ((strcmp(Media, "x") == 0) &&
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InfFindFirstLine(InfHandle, "Directories", dirIndex, &dirContext) &&
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InfGetDataField(&dirContext, 1, &ImagePath))
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{
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/* Convert name to widechar */
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swprintf(ServiceName, L"%S", DriverName);
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/* Prepare image path */
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swprintf(ImagePathW, L"%S", ImagePath);
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wcscat(ImagePathW, L"\\");
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wcscat(ImagePathW, ServiceName);
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/* Remove .sys extension */
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ServiceName[wcslen(ServiceName) - 4] = 0;
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/* Add it to the list */
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Success = WinLdrAddDriverToList(BootDriverListHead,
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L"\\Registry\\Machine\\System\\CurrentControlSet\\Services\\",
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ImagePathW,
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ServiceName);
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if (!Success)
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{
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ERR("could not add boot driver %s, %s\n", SearchPath, DriverName);
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return;
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}
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}
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}
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} while (InfFindNextLine(&InfContext, &InfContext));
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}
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VOID
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LoadReactOSSetup(IN OperatingSystemItem* OperatingSystem,
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IN USHORT OperatingSystemVersion)
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{
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ULONG_PTR SectionId;
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PCSTR SectionName = OperatingSystem->SystemPartition;
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CHAR SettingsValue[80];
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BOOLEAN HasSection;
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CHAR BootOptions2[256];
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PCHAR File;
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CHAR FileName[512];
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CHAR BootPath[512];
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LPCSTR LoadOptions;
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LPSTR BootOptions;
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BOOLEAN BootFromFloppy;
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ULONG i, ErrorLine;
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HINF InfHandle;
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INFCONTEXT InfContext;
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PLOADER_PARAMETER_BLOCK LoaderBlock;
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PSETUP_LOADER_BLOCK SetupBlock;
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LPCSTR SystemPath;
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LPCSTR SourcePaths[] =
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{
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"", /* Only for floppy boot */
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#if defined(_M_IX86)
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"I386\\",
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#elif defined(_M_MPPC)
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"PPC\\",
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#elif defined(_M_MRX000)
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"MIPS\\",
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#endif
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"reactos\\",
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NULL
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};
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/* Get OS setting value */
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SettingsValue[0] = ANSI_NULL;
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IniOpenSection("Operating Systems", &SectionId);
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IniReadSettingByName(SectionId, SectionName, SettingsValue, sizeof(SettingsValue));
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/* Open the operating system section specified in the .ini file */
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HasSection = IniOpenSection(SectionName, &SectionId);
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UiDrawBackdrop();
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UiDrawProgressBarCenter(1, 100, "Loading ReactOS Setup...");
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/* Read the system path is set in the .ini file */
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if (!HasSection ||
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!IniReadSettingByName(SectionId, "SystemPath", BootPath, sizeof(BootPath)))
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{
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/*
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* IMPROVE: I don't want to call MachDiskGetBootPath here as a
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* default choice because I can call it after (see few lines below).
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* Also doing the strcpy call as it is done in winldr.c is not
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* really what we want. Instead I reset BootPath here so that
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* we can build the full path using the general code from below.
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*/
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// MachDiskGetBootPath(BootPath, sizeof(BootPath));
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// strcpy(BootPath, SectionName);
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BootPath[0] = '\0';
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}
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/*
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* Check whether BootPath is a full path
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* and if not, create a full boot path.
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*
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* See FsOpenFile for the technique used.
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*/
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if (strrchr(BootPath, ')') == NULL)
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{
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/* Temporarily save the boot path */
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strcpy(FileName, BootPath);
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/* This is not a full path. Use the current (i.e. boot) device. */
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MachDiskGetBootPath(BootPath, sizeof(BootPath));
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/* Append a path separator if needed */
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if (FileName[0] != '\\' && FileName[0] != '/')
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strcat(BootPath, "\\");
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/* Append the remaining path */
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strcat(BootPath, FileName);
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}
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/* Append a backslash if needed */
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if ((strlen(BootPath) == 0) || BootPath[strlen(BootPath) - 1] != '\\')
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strcat(BootPath, "\\");
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/* Read booting options */
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if (!HasSection || !IniReadSettingByName(SectionId, "Options", BootOptions2, sizeof(BootOptions2)))
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{
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/* Get options after the title */
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PCSTR p = SettingsValue;
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while (*p == ' ' || *p == '"')
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p++;
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while (*p != '\0' && *p != '"')
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p++;
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strcpy(BootOptions2, p);
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TRACE("BootOptions: '%s'\n", BootOptions2);
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}
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/* Check if a ramdisk file was given */
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File = strstr(BootOptions2, "/RDPATH=");
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if (File)
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{
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/* Copy the file name and everything else after it */
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strcpy(FileName, File + 8);
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/* Null-terminate */
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*strstr(FileName, " ") = ANSI_NULL;
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/* Load the ramdisk */
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if (!RamDiskLoadVirtualFile(FileName))
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{
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UiMessageBox("Failed to load RAM disk file %s", FileName);
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return;
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}
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}
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TRACE("BootPath: '%s'\n", BootPath);
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/* And check if we booted from floppy */
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BootFromFloppy = strstr(BootPath, "fdisk") != NULL;
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/* Open 'txtsetup.sif' from any of source paths */
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File = BootPath + strlen(BootPath);
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for (i = BootFromFloppy ? 0 : 1; ; i++)
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{
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SystemPath = SourcePaths[i];
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if (!SystemPath)
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{
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UiMessageBox("Failed to open txtsetup.sif");
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return;
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}
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strcpy(File, SystemPath);
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strcpy(FileName, BootPath);
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strcat(FileName, "txtsetup.sif");
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if (InfOpenFile(&InfHandle, FileName, &ErrorLine))
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{
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break;
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}
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}
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TRACE("BootPath: '%s', SystemPath: '%s'\n", BootPath, SystemPath);
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/* Get Load options - debug and non-debug */
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if (!InfFindFirstLine(InfHandle, "SetupData", "OsLoadOptions", &InfContext))
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{
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ERR("Failed to find 'SetupData/OsLoadOptions'\n");
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return;
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}
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if (!InfGetDataField(&InfContext, 1, &LoadOptions))
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{
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ERR("Failed to get load options\n");
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return;
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}
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#if DBG
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/* Get debug load options and use them */
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if (InfFindFirstLine(InfHandle, "SetupData", "DbgOsLoadOptions", &InfContext))
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{
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LPCSTR DbgLoadOptions;
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if (InfGetDataField(&InfContext, 1, &DbgLoadOptions))
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LoadOptions = DbgLoadOptions;
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}
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#endif
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/* Copy loadoptions (original string will be freed) */
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BootOptions = FrLdrTempAlloc(strlen(LoadOptions) + 1, TAG_BOOT_OPTIONS);
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strcpy(BootOptions, LoadOptions);
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TRACE("BootOptions: '%s'\n", BootOptions);
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UiDrawStatusText("Setup is loading...");
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/* Allocate and minimalist-initialize LPB */
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AllocateAndInitLPB(&LoaderBlock);
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/* Allocate and initialize setup loader block */
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SetupBlock = &WinLdrSystemBlock->SetupBlock;
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LoaderBlock->SetupLdrBlock = SetupBlock;
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/* Set textmode setup flag */
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SetupBlock->Flags = SETUPLDR_TEXT_MODE;
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/* Load NLS data, they are in system32 */
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strcpy(FileName, BootPath);
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strcat(FileName, "system32\\");
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SetupLdrLoadNlsData(LoaderBlock, InfHandle, FileName);
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/* Get a list of boot drivers */
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SetupLdrScanBootDrivers(&LoaderBlock->BootDriverListHead, InfHandle, BootPath);
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/* Close the inf file */
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InfCloseFile(InfHandle);
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/* Load ReactOS Setup */
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LoadAndBootWindowsCommon(_WIN32_WINNT_WS03,
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LoaderBlock,
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BootOptions,
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BootPath,
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TRUE);
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}
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