winldr.c File Reference

#include <freeldr.h>
#include <ndk/kefuncs.h>
#include <ndk/ldrtypes.h>
#include "winldr.h"
#include "ntldropts.h"
#include "registry.h"
#include <internal/cmboot.h>
#include <drivers/bootvid/framebuf.h>
#include <debug.h>

Include dependency graph for winldr.c:

Go to the source code of this file.

Functions
	DBG_DEFAULT_CHANNEL (WINDOWS)
ULONG	ArcGetDiskCount (VOID)
PARC_DISK_SIGNATURE_EX	ArcGetDiskInfo (ULONG Index)
BOOLEAN	IsAcpiPresent (VOID)
VOID	WinLdrSetupEms (_In_ PCSTR BootOptions)
VOID	DumpMemoryAllocMap (VOID)
static VOID NTAPI	NtLdrImportDllLoadCallback (_In_ PCSTR FileName)
VOID	NtLdrOutputLoadMsg (_In_ PCSTR FileName, _In_opt_ PCSTR Description)
VOID	AllocateAndInitLPB (IN USHORT VersionToBoot, OUT PLOADER_PARAMETER_BLOCK *OutLoaderBlock)
VOID	WinLdrInitializePhase1 (PLOADER_PARAMETER_BLOCK LoaderBlock, PCSTR Options, PCSTR SystemRoot, PCSTR BootPath, USHORT VersionToBoot)
static BOOLEAN	WinLdrLoadDeviceDriver (PLIST_ENTRY LoadOrderListHead, PCSTR BootPath, PUNICODE_STRING FilePath, ULONG Flags, PLDR_DATA_TABLE_ENTRY *DriverDTE)
BOOLEAN	WinLdrLoadBootDrivers (PLOADER_PARAMETER_BLOCK LoaderBlock, PCSTR BootPath)
PVOID	WinLdrLoadModule (PCSTR ModuleName, PULONG Size, TYPE_OF_MEMORY MemoryType)
USHORT	WinLdrDetectVersion (VOID)
static PVOID	LoadModule (_Inout_ PLIST_ENTRY LoadOrderListHead, _In_ PCSTR Path, _In_ PCSTR File, _In_ PCSTR ImportName, _In_ TYPE_OF_MEMORY MemoryType, _Out_ PLDR_DATA_TABLE_ENTRY *Dte, _In_ ULONG Percentage)
static VOID	NtLdrDetectBootVid (_In_ PCONFIGURATION_COMPONENT_DATA ConfigTree, _Out_writes_bytes_(BootVidNameSize) _Always_(_Post_z_) PSTR BootVidName, _In_ SIZE_T BootVidNameSize)
static BOOLEAN	LoadWindowsCore (IN USHORT OperatingSystemVersion, IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock, IN PCSTR BootOptions, IN PCSTR BootPath, IN OUT PLDR_DATA_TABLE_ENTRY *KernelDTE)
static BOOLEAN	WinLdrInitErrataInf (IN OUT PLOADER_PARAMETER_BLOCK LoaderBlock, IN USHORT OperatingSystemVersion, IN PCSTR SystemRoot)
ARC_STATUS	LoadAndBootWindows (IN ULONG Argc, IN PCHAR Argv[], IN PCHAR Envp[])
ARC_STATUS	LoadAndBootWindowsCommon (IN USHORT OperatingSystemVersion, IN PLOADER_PARAMETER_BLOCK LoaderBlock, IN PCSTR BootOptions, IN PCSTR BootPath)
VOID	WinLdrpDumpMemoryDescriptors (PLOADER_PARAMETER_BLOCK LoaderBlock)
VOID	WinLdrpDumpBootDriver (PLOADER_PARAMETER_BLOCK LoaderBlock)
VOID	WinLdrpDumpArcDisks (PLOADER_PARAMETER_BLOCK LoaderBlock)

Variables
HEADLESS_LOADER_BLOCK	LoaderRedirectionInformation
BOOLEAN	WinLdrTerminalConnected
PLOADER_SYSTEM_BLOCK	WinLdrSystemBlock
PCWSTR	BootFileSystem = NULL
BOOLEAN	VirtualBias = FALSE
BOOLEAN	SosEnabled = FALSE
BOOLEAN	SafeBoot = FALSE
BOOLEAN	BootLogo = FALSE
BOOLEAN	NoExecuteEnabled = FALSE

Function Documentation

AllocateAndInitLPB()

VOID AllocateAndInitLPB	(	IN USHORT	VersionToBoot,
		OUT PLOADER_PARAMETER_BLOCK *	OutLoaderBlock
	)

Definition at line 80 of file winldr.c.

{
    PLOADER_PARAMETER_BLOCK LoaderBlock;
    PLOADER_PARAMETER_EXTENSION Extension;
 
    /* Allocate and zero-init the Loader Parameter Block */
    WinLdrSystemBlock = MmAllocateMemoryWithType(sizeof(LOADER_SYSTEM_BLOCK),
                                                 LoaderSystemBlock);
    if (WinLdrSystemBlock == NULL)
    {
        UiMessageBox("Failed to allocate memory for system block!");
        return;
    }
 
    RtlZeroMemory(WinLdrSystemBlock, sizeof(LOADER_SYSTEM_BLOCK));
 
    LoaderBlock = &WinLdrSystemBlock->LoaderBlock;
    LoaderBlock->NlsData = &WinLdrSystemBlock->NlsDataBlock;
 
    /* Initialize the Loader Block Extension */
    Extension = &WinLdrSystemBlock->Extension;
    LoaderBlock->Extension = Extension;
    Extension->Size = sizeof(LOADER_PARAMETER_EXTENSION);
    Extension->MajorVersion = (VersionToBoot & 0xFF00) >> 8;
    Extension->MinorVersion = (VersionToBoot & 0xFF);
 
    /* Init three critical lists, used right away */
    InitializeListHead(&LoaderBlock->LoadOrderListHead);
    InitializeListHead(&LoaderBlock->MemoryDescriptorListHead);
    InitializeListHead(&LoaderBlock->BootDriverListHead);
 
    *OutLoaderBlock = LoaderBlock;
}

Referenced by LoadAndBootWindows(), and LoadReactOSSetup().

ArcGetDiskCount()

ULONG ArcGetDiskCount

(

VOID

)

Definition at line 247 of file archwsup.c.

{
    return reactos_disk_count;
}

Referenced by WinLdrInitializePhase1().

ArcGetDiskInfo()

PARC_DISK_SIGNATURE_EX ArcGetDiskInfo

(

ULONG

Index

)

Definition at line 252 of file archwsup.c.

{
    if (Index >= reactos_disk_count)
    {
        return NULL;
    }
 
    return &reactos_arc_disk_info[Index];
}

Referenced by WinLdrInitializePhase1().

DBG_DEFAULT_CHANNEL()

DBG_DEFAULT_CHANNEL

(

WINDOWS

)

DumpMemoryAllocMap()

VOID DumpMemoryAllocMap

(

VOID

)

IsAcpiPresent()

BOOLEAN IsAcpiPresent

(

VOID

)

Definition at line 28 of file hwacpi.c.

{
    return AcpiPresent;
}

Referenced by WinLdrInitializePhase1().

LoadAndBootWindows()

ARC_STATUS LoadAndBootWindows	(	IN ULONG	Argc,
		IN PCHAR	Argv[],
		IN PCHAR	Envp[]
	)

Definition at line 1139 of file winldr.c.

{
    ARC_STATUS Status;
    PCSTR ArgValue;
    PCSTR SystemPartition;
    PCSTR FileName;
    ULONG FileNameLength;
    BOOLEAN Success;
    USHORT OperatingSystemVersion;
    PLOADER_PARAMETER_BLOCK LoaderBlock;
    CHAR BootPath[MAX_PATH];
    CHAR FilePath[MAX_PATH];
    CHAR BootOptions[256];
 
    /* Retrieve the (mandatory) boot type */
    ArgValue = GetArgumentValue(Argc, Argv, "BootType");
    if (!ArgValue || !*ArgValue)
    {
        ERR("No 'BootType' value, aborting!\n");
        return EINVAL;
    }
 
    /* Convert it to an OS version */
    if (_stricmp(ArgValue, "Windows") == 0 ||
        _stricmp(ArgValue, "Windows2003") == 0)
    {
        OperatingSystemVersion = _WIN32_WINNT_WS03;
    }
    else if (_stricmp(ArgValue, "WindowsNT40") == 0)
    {
        OperatingSystemVersion = _WIN32_WINNT_NT4;
    }
    else if (_stricmp(ArgValue, "WindowsVista") == 0)
    {
        OperatingSystemVersion = _WIN32_WINNT_VISTA;
    }
    else
    {
        ERR("Unknown 'BootType' value '%s', aborting!\n", ArgValue);
        return EINVAL;
    }
 
    /* Retrieve the (mandatory) system partition */
    SystemPartition = GetArgumentValue(Argc, Argv, "SystemPartition");
    if (!SystemPartition || !*SystemPartition)
    {
        ERR("No 'SystemPartition' specified, aborting!\n");
        return EINVAL;
    }
 
    /* Let the user know we started loading */
    UiDrawBackdrop(UiGetScreenHeight());
    UiDrawStatusText("Loading...");
    UiDrawProgressBarCenter("Loading NT...");
 
    /* Retrieve the system path */
    *BootPath = ANSI_NULL;
    ArgValue = GetArgumentValue(Argc, Argv, "SystemPath");
    if (ArgValue)
        RtlStringCbCopyA(BootPath, sizeof(BootPath), ArgValue);
 
    /*
     * Check whether BootPath is a full path
     * and if not, create a full boot path.
     *
     * See FsOpenFile for the technique used.
     */
    if (strrchr(BootPath, ')') == NULL)
    {
        /* Temporarily save the boot path */
        RtlStringCbCopyA(FilePath, sizeof(FilePath), BootPath);
 
        /* This is not a full path: prepend the SystemPartition */
        RtlStringCbCopyA(BootPath, sizeof(BootPath), SystemPartition);
 
        /* Append a path separator if needed */
        if (*FilePath != '\\' && *FilePath != '/')
            RtlStringCbCatA(BootPath, sizeof(BootPath), "\\");
 
        /* Append the remaining path */
        RtlStringCbCatA(BootPath, sizeof(BootPath), FilePath);
    }
 
    /* Append a path separator if needed */
    if (!*BootPath || BootPath[strlen(BootPath) - 1] != '\\')
        RtlStringCbCatA(BootPath, sizeof(BootPath), "\\");
 
    TRACE("BootPath: '%s'\n", BootPath);
 
    /* Retrieve the boot options */
    *BootOptions = ANSI_NULL;
    ArgValue = GetArgumentValue(Argc, Argv, "Options");
    if (ArgValue && *ArgValue)
        RtlStringCbCopyA(BootOptions, sizeof(BootOptions), ArgValue);
 
    /* Append boot-time options */
    AppendBootTimeOptions(BootOptions);
 
    /*
     * Set the "/HAL=" and "/KERNEL=" options if needed.
     * If already present on the standard "Options=" option line, they take
     * precedence over those passed via the separate "Hal=" and "Kernel="
     * options.
     */
    if (!NtLdrGetOption(BootOptions, "HAL="))
    {
        /*
         * Not found in the options, try to retrieve the
         * separate value and append it to the options.
         */
        ArgValue = GetArgumentValue(Argc, Argv, "Hal");
        if (ArgValue && *ArgValue)
        {
            RtlStringCbCatA(BootOptions, sizeof(BootOptions), " /HAL=");
            RtlStringCbCatA(BootOptions, sizeof(BootOptions), ArgValue);
        }
    }
    if (!NtLdrGetOption(BootOptions, "KERNEL="))
    {
        /*
         * Not found in the options, try to retrieve the
         * separate value and append it to the options.
         */
        ArgValue = GetArgumentValue(Argc, Argv, "Kernel");
        if (ArgValue && *ArgValue)
        {
            RtlStringCbCatA(BootOptions, sizeof(BootOptions), " /KERNEL=");
            RtlStringCbCatA(BootOptions, sizeof(BootOptions), ArgValue);
        }
    }
 
    TRACE("BootOptions: '%s'\n", BootOptions);
 
    /* Check if a RAM disk file was given */
    FileName = NtLdrGetOptionEx(BootOptions, "RDPATH=", &FileNameLength);
    if (FileName && (FileNameLength >= 7))
    {
        /* Load the RAM disk */
        Status = RamDiskInitialize(FALSE, BootOptions, SystemPartition);
        if (Status != ESUCCESS)
        {
            FileName += 7; FileNameLength -= 7;
            UiMessageBox("Failed to load RAM disk file '%.*s'",
                         FileNameLength, FileName);
            return Status;
        }
    }
 
    /* Handle the SOS option */
    SosEnabled = !!NtLdrGetOption(BootOptions, "SOS");
    if (SosEnabled)
        UiResetForSOS();
 
    /* Allocate and minimally-initialize the Loader Parameter Block */
    AllocateAndInitLPB(OperatingSystemVersion, &LoaderBlock);
 
    /* Load the system hive */
    UiUpdateProgressBar(15, "Loading system hive...");
    Success = WinLdrInitSystemHive(LoaderBlock, BootPath, FALSE);
    TRACE("SYSTEM hive %s\n", (Success ? "loaded" : "not loaded"));
    /* Bail out if failure */
    if (!Success)
        return ENOEXEC;
 
    /* Fixup the version number using data from the registry */
    if (OperatingSystemVersion == 0)
        OperatingSystemVersion = WinLdrDetectVersion();
    LoaderBlock->Extension->MajorVersion = (OperatingSystemVersion & 0xFF00) >> 8;
    LoaderBlock->Extension->MinorVersion = (OperatingSystemVersion & 0xFF);
 
    /* Load NLS data, OEM font, and prepare boot drivers list */
    Success = WinLdrScanSystemHive(LoaderBlock, BootPath);
    TRACE("SYSTEM hive %s\n", (Success ? "scanned" : "not scanned"));
    /* Bail out if failure */
    if (!Success)
        return ENOEXEC;
 
    /* Load the Firmware Errata file */
    Success = WinLdrInitErrataInf(LoaderBlock, OperatingSystemVersion, BootPath);
    TRACE("Firmware Errata file %s\n", (Success ? "loaded" : "not loaded"));
    /* Not necessarily fatal if not found - carry on going */
 
    /* Finish loading */
    return LoadAndBootWindowsCommon(OperatingSystemVersion,
                                    LoaderBlock,
                                    BootOptions,
                                    BootPath);
}

LoadAndBootWindowsCommon()

ARC_STATUS LoadAndBootWindowsCommon	(	IN USHORT	OperatingSystemVersion,
		IN PLOADER_PARAMETER_BLOCK	LoaderBlock,
		IN PCSTR	BootOptions,
		IN PCSTR	BootPath
	)

Definition at line 1332 of file winldr.c.

{
    PLOADER_PARAMETER_BLOCK LoaderBlockVA;
    BOOLEAN Success;
    PLDR_DATA_TABLE_ENTRY KernelDTE;
    KERNEL_ENTRY_POINT KiSystemStartup;
    PCSTR SystemRoot;
 
    TRACE("LoadAndBootWindowsCommon()\n");
 
    ASSERT(OperatingSystemVersion != 0);
 
    /* Setup redirection support */
    WinLdrSetupEms(BootOptions);
 
    /* Convert BootPath to SystemRoot */
    SystemRoot = strstr(BootPath, "\\");
 
    /* Detect hardware */
    UiUpdateProgressBar(20, "Detecting hardware...");
    LoaderBlock->ConfigurationRoot = MachHwDetect(BootOptions);
 
    /* Initialize the PE loader import-DLL callback, so that we can obtain
     * feedback (for example during SOS) on the PE images that get loaded. */
    PeLdrImportDllLoadCallback = NtLdrImportDllLoadCallback;
 
    /* Load the operating system core: the Kernel, the HAL and the Kernel Debugger Transport DLL */
    Success = LoadWindowsCore(OperatingSystemVersion,
                              LoaderBlock,
                              BootOptions,
                              BootPath,
                              &KernelDTE);
    if (!Success)
    {
        /* Reset the PE loader import-DLL callback */
        PeLdrImportDllLoadCallback = NULL;
 
        UiMessageBox("Error loading NTOS core.");
        return ENOEXEC;
    }
 
    /* Cleanup INI file */
    IniCleanup();
 
/****
 **** WE HAVE NOW REACHED THE POINT OF NO RETURN !!
 ****/
 
    UiSetProgressBarSubset(40, 90); // NTOS goes from 25 to 75%
 
    /* Load boot drivers */
    UiSetProgressBarText("Loading boot drivers...");
    Success = WinLdrLoadBootDrivers(LoaderBlock, BootPath);
    TRACE("Boot drivers loading %s\n", Success ? "successful" : "failed");
 
    UiSetProgressBarSubset(0, 100);
 
    /* Reset the PE loader import-DLL callback */
    PeLdrImportDllLoadCallback = NULL;
 
    /* Initialize Phase 1 - no drivers loading anymore */
    WinLdrInitializePhase1(LoaderBlock,
                           BootOptions,
                           SystemRoot,
                           BootPath,
                           OperatingSystemVersion);
 
    UiUpdateProgressBar(100, NULL);
 
    /* Save entry-point pointer and Loader block VAs */
    KiSystemStartup = (KERNEL_ENTRY_POINT)KernelDTE->EntryPoint;
    LoaderBlockVA = PaToVa(LoaderBlock);
 
    /* "Stop all motors", change videomode */
    MachPrepareForReactOS();
 
    /* Show the "debug mode" notice if needed */
    /* Match KdInitSystem() conditions */
    if (!NtLdrGetOption(BootOptions, "CRASHDEBUG") &&
        !NtLdrGetOption(BootOptions, "NODEBUG") &&
        !!NtLdrGetOption(BootOptions, "DEBUG"))
    {
        /* Check whether there is a DEBUGPORT option */
        PCSTR DebugPort;
        ULONG DebugPortLength = 0;
        DebugPort = NtLdrGetOptionEx(BootOptions, "DEBUGPORT=", &DebugPortLength);
        if (DebugPort != NULL && DebugPortLength > 10)
        {
            /* Move to the debug port name */
            DebugPort += 10; DebugPortLength -= 10;
        }
        else
        {
            /* Default to COM */
            DebugPort = "COM"; DebugPortLength = 3;
        }
 
        /* It is booting in debug mode, show the banner */
        TuiPrintf("You need to connect a debugger on port %.*s\n"
                  "For more information, visit https://reactos.org/wiki/Debugging.\n",
                  DebugPortLength, DebugPort);
    }
 
    /* Debugging... */
    //DumpMemoryAllocMap();
 
    /* Do the machine specific initialization */
    WinLdrSetupMachineDependent(LoaderBlock);
 
    /* Map pages and create memory descriptors */
    WinLdrSetupMemoryLayout(LoaderBlock);
 
    /* Set processor context */
    WinLdrSetProcessorContext(OperatingSystemVersion);
 
    /* Save final value of LoaderPagesSpanned */
    LoaderBlock->Extension->LoaderPagesSpanned = MmGetLoaderPagesSpanned();
 
    TRACE("Hello from paged mode, KiSystemStartup %p, LoaderBlockVA %p!\n",
          KiSystemStartup, LoaderBlockVA);
 
    /* Zero KI_USER_SHARED_DATA page */
    RtlZeroMemory((PVOID)KI_USER_SHARED_DATA, MM_PAGE_SIZE);
 
    WinLdrpDumpMemoryDescriptors(LoaderBlockVA);
    WinLdrpDumpBootDriver(LoaderBlockVA);
#ifndef _M_AMD64
    WinLdrpDumpArcDisks(LoaderBlockVA);
#endif
 
    /* Pass control */
    (*KiSystemStartup)(LoaderBlockVA);
 
    UNREACHABLE; // return ESUCCESS;
}

Referenced by LoadAndBootWindows(), and LoadReactOSSetup().

LoadModule()

static PVOID LoadModule ( _Inout_ PLIST_ENTRY  LoadOrderListHead, _In_ PCSTR  Path, _In_ PCSTR  File, _In_ PCSTR  ImportName, _In_ TYPE_OF_MEMORY  MemoryType, _Out_ PLDR_DATA_TABLE_ENTRY *  Dte, _In_ ULONG  Percentage  )

static

Definition at line 519 of file winldr.c.

{
    BOOLEAN Success;
    CHAR FullFileName[MAX_PATH];
    CHAR ProgressString[256];
    PVOID BaseAddress;
 
    RtlStringCbPrintfA(ProgressString, sizeof(ProgressString), "Loading %s...", File);
    UiUpdateProgressBar(Percentage, ProgressString);
 
    RtlStringCbCopyA(FullFileName, sizeof(FullFileName), Path);
    RtlStringCbCatA(FullFileName, sizeof(FullFileName), File);
 
    NtLdrOutputLoadMsg(FullFileName, NULL);
    Success = PeLdrLoadImage(FullFileName, MemoryType, &BaseAddress);
    if (!Success)
    {
        ERR("PeLdrLoadImage('%s') failed\n", File);
        return NULL;
    }
    TRACE("%s loaded successfully at %p\n", File, BaseAddress);
 
    Success = PeLdrAllocateDataTableEntry(LoadOrderListHead,
                                          ImportName,
                                          FullFileName,
                                          PaToVa(BaseAddress),
                                          Dte);
    if (!Success)
    {
        /* Cleanup and bail out */
        ERR("PeLdrAllocateDataTableEntry('%s') failed\n", FullFileName);
        MmFreeMemory(BaseAddress);
        return NULL;
    }
 
    /* Init security cookie */
    PeLdrInitSecurityCookie(*Dte);
 
    return BaseAddress;
}

Referenced by DECLARE_INTERFACE_(), and LoadWindowsCore().

LoadWindowsCore()

static BOOLEAN LoadWindowsCore ( IN USHORT  OperatingSystemVersion, IN OUT PLOADER_PARAMETER_BLOCK  LoaderBlock, IN PCSTR  BootOptions, IN PCSTR  BootPath, IN OUT PLDR_DATA_TABLE_ENTRY *  KernelDTE  )

static

Definition at line 730 of file winldr.c.

{
    BOOLEAN Success;
    PCSTR Option;
    ULONG OptionLength;
    PVOID KernelBase, HalBase, KdDllBase = NULL, BootVidBase = NULL;
    PLDR_DATA_TABLE_ENTRY HalDTE, KdDllDTE = NULL, BootVidDTE = NULL;
    PCSTR ModuleName;
    CHAR DirPath[MAX_PATH];
    CHAR HalFileName[MAX_PATH];
    CHAR KernelFileName[MAX_PATH];
    CHAR KdDllName[MAX_PATH];
    CHAR BootVidName[MAX_PATH];
 
    /* Initialize SystemRoot\System32 path */
    RtlStringCbCopyA(DirPath, sizeof(DirPath), BootPath);
    RtlStringCbCatA(DirPath, sizeof(DirPath), "system32\\");
 
    /* Parse the boot options */
    TRACE("LoadWindowsCore: BootOptions '%s'\n", BootOptions);
 
#ifdef _M_IX86
    if (NtLdrGetOption(BootOptions, "3GB"))
    {
        /* We found the 3GB option. */
        FIXME("LoadWindowsCore: 3GB - TRUE (not implemented)\n");
        VirtualBias = TRUE;
    }
    // TODO: "USERVA=" for XP/2k3
#endif
 
    if ((OperatingSystemVersion > _WIN32_WINNT_NT4) &&
        (NtLdrGetOption(BootOptions, "SAFEBOOT") ||
         NtLdrGetOption(BootOptions, "SAFEBOOT:")))
    {
        /* We found the SAFEBOOT option. */
        FIXME("LoadWindowsCore: SAFEBOOT - TRUE (not implemented)\n");
        SafeBoot = TRUE;
    }
 
    if ((OperatingSystemVersion > _WIN32_WINNT_WIN2K) &&
        NtLdrGetOption(BootOptions, "BOOTLOGO"))
    {
        /* We found the BOOTLOGO option. */
        FIXME("LoadWindowsCore: BOOTLOGO - TRUE (not implemented)\n");
        BootLogo = TRUE;
    }
 
    /* Check the (NO)EXECUTE options */
    if ((OperatingSystemVersion > _WIN32_WINNT_WIN2K) &&
        !LoaderBlock->SetupLdrBlock)
    {
        /* Disable NX by default on x86, otherwise enable it */
#ifdef _M_IX86
        NoExecuteEnabled = FALSE;
#else
        NoExecuteEnabled = TRUE;
#endif
 
#ifdef _M_IX86
        /* Check the options in decreasing order of precedence */
        if (NtLdrGetOption(BootOptions, "NOEXECUTE=OPTIN")  ||
            NtLdrGetOption(BootOptions, "NOEXECUTE=OPTOUT") ||
            NtLdrGetOption(BootOptions, "NOEXECUTE=ALWAYSON"))
        {
            NoExecuteEnabled = TRUE;
        }
        else if (NtLdrGetOption(BootOptions, "NOEXECUTE=ALWAYSOFF"))
            NoExecuteEnabled = FALSE;
        else
#else
        /* Only the following two options really apply for x64 and other platforms */
#endif
        if (NtLdrGetOption(BootOptions, "NOEXECUTE"))
            NoExecuteEnabled = TRUE;
        else if (NtLdrGetOption(BootOptions, "EXECUTE"))
            NoExecuteEnabled = FALSE;
 
#ifdef _M_IX86
        /* Disable DEP in SafeBoot mode for x86 only */
        if (SafeBoot)
            NoExecuteEnabled = FALSE;
#endif
    }
    TRACE("NoExecuteEnabled %X\n", NoExecuteEnabled);
 
    /*
     * Select the HAL and KERNEL file names.
     * Check for any "/HAL=" or "/KERNEL=" override option.
     *
     * See the following links to know how the file names are actually chosen:
     * https://www.geoffchappell.com/notes/windows/boot/bcd/osloader/detecthal.htm
     * https://www.geoffchappell.com/notes/windows/boot/bcd/osloader/hal.htm
     * https://www.geoffchappell.com/notes/windows/boot/bcd/osloader/kernel.htm
     */
    /* Default HAL and KERNEL file names */
    RtlStringCbCopyA(HalFileName   , sizeof(HalFileName)   , "hal.dll");
    RtlStringCbCopyA(KernelFileName, sizeof(KernelFileName), "ntoskrnl.exe");
 
    Option = NtLdrGetOptionEx(BootOptions, "HAL=", &OptionLength);
    if (Option && (OptionLength > 4))
    {
        /* Retrieve the HAL file name */
        Option += 4; OptionLength -= 4;
        RtlStringCbCopyNA(HalFileName, sizeof(HalFileName), Option, OptionLength);
        _strlwr(HalFileName);
    }
 
    Option = NtLdrGetOptionEx(BootOptions, "KERNEL=", &OptionLength);
    if (Option && (OptionLength > 7))
    {
        /* Retrieve the KERNEL file name */
        Option += 7; OptionLength -= 7;
        RtlStringCbCopyNA(KernelFileName, sizeof(KernelFileName), Option, OptionLength);
        _strlwr(KernelFileName);
    }
 
#ifdef _M_IX86
    /* Check for PAE support and select the adequate kernel image */
    PaeModeOn = WinLdrIsPaeSupported(OperatingSystemVersion,
                                     LoaderBlock,
                                     BootOptions,
                                     HalFileName,
                                     KernelFileName,
                                     sizeof(KernelFileName));
    if (PaeModeOn) FIXME("WinLdrIsPaeSupported: PaeModeOn\n");
#endif
 
    TRACE("HAL file = '%s' ; Kernel file = '%s'\n", HalFileName, KernelFileName);
 
    /*
     * Load the core NT files: Kernel, HAL and KD transport DLL.
     * Cheat about their base DLL name so as to satisfy the imports/exports,
     * even if the corresponding underlying files do not have the same names
     * -- this happens e.g. with UP vs. MP kernel, standard vs. ACPI hal, or
     * different KD transport DLLs.
     */
 
    /* Load the Kernel */
    KernelBase = LoadModule(&LoaderBlock->LoadOrderListHead,
                            DirPath, KernelFileName,
                            "ntoskrnl.exe", LoaderSystemCode,
                            KernelDTE, 30);
    if (!KernelBase)
    {
        ERR("LoadModule('%s') failed\n", KernelFileName);
        UiMessageBox("Could not load %s", KernelFileName);
        return FALSE;
    }
 
    /* Load the HAL */
    HalBase = LoadModule(&LoaderBlock->LoadOrderListHead,
                         DirPath, HalFileName,
                         "hal.dll", LoaderHalCode,
                         &HalDTE, 35);
    if (!HalBase)
    {
        ERR("LoadModule('%s') failed\n", HalFileName);
        UiMessageBox("Could not load %s", HalFileName);
        PeLdrFreeDataTableEntry(*KernelDTE);
        MmFreeMemory(KernelBase);
        return FALSE;
    }
 
    /* Load the Kernel Debugger Transport DLL */
    if (OperatingSystemVersion > _WIN32_WINNT_WIN2K)
    {
        /*
         * According to http://www.nynaeve.net/?p=173 :
         * "[...] Another enhancement that could be done Microsoft-side would be
         * a better interface for replacing KD transport modules. Right now, due
         * to the fact that ntoskrnl is static linked to KDCOM.DLL, the OS loader
         * has a hardcoded hack that interprets the KD type in the OS loader options,
         * loads one of the (hardcoded filenames) "kdcom.dll", "kd1394.dll", or
         * "kdusb2.dll" modules, and inserts them into the loaded module list under
         * the name "kdcom.dll". [...]"
         */
 
        /*
         * A Kernel Debugger Transport DLL is always loaded for Windows XP+ :
         * either the standard KDCOM.DLL (by default): IsCustomKdDll == FALSE
         * or an alternative user-provided one via the /DEBUGPORT= option:
         * IsCustomKdDll == TRUE if it does not specify the default KDCOM.
         */
        BOOLEAN IsCustomKdDll = FALSE;
 
        /* Check whether there is a DEBUGPORT option */
        Option = NtLdrGetOptionEx(BootOptions, "DEBUGPORT=", &OptionLength);
        if (Option && (OptionLength > 10))
        {
            /* Move to the debug port name */
            Option += 10; OptionLength -= 10;
 
            /*
             * Parse the port name.
             * Format: /DEBUGPORT=COM[0-9]
             * or: /DEBUGPORT=FILE:\Device\HarddiskX\PartitionY\debug.log
             * or: /DEBUGPORT=FOO
             * If we only have /DEBUGPORT= (i.e. without any port name),
             * default to "COM".
             */
 
            /* Get the actual length of the debug port
             * until the next whitespace or colon. */
            OptionLength = (ULONG)strcspn(Option, " \t:");
 
            if ((OptionLength == 0) ||
                ( (OptionLength >= 3) && (_strnicmp(Option, "COM", 3) == 0) &&
                 ((OptionLength == 3) || ('0' <= Option[3] && Option[3] <= '9')) ))
            {
                /* The standard KDCOM.DLL is used */
            }
            else
            {
                /* A custom KD DLL is used */
                IsCustomKdDll = TRUE;
            }
        }
        if (!IsCustomKdDll)
        {
            Option = "COM"; OptionLength = 3;
        }
 
        RtlStringCbPrintfA(KdDllName, sizeof(KdDllName), "kd%.*s.dll",
                           OptionLength, Option);
        _strlwr(KdDllName);
 
        /* Load the KD DLL. Override its base DLL name to the default "KDCOM.DLL". */
        KdDllBase = LoadModule(&LoaderBlock->LoadOrderListHead,
                               DirPath, KdDllName,
                               "kdcom.dll", LoaderSystemCode,
                               &KdDllDTE, 40);
        if (!KdDllBase)
        {
            /* If we failed to load a custom KD DLL, fall back to the standard one */
            if (IsCustomKdDll)
            {
                /* The custom KD DLL being optional, just ignore the failure */
                WARN("LoadModule('%s') failed\n", KdDllName);
 
                IsCustomKdDll = FALSE;
                RtlStringCbCopyA(KdDllName, sizeof(KdDllName), "kdcom.dll");
 
                KdDllBase = LoadModule(&LoaderBlock->LoadOrderListHead,
                                       DirPath, KdDllName,
                                       "kdcom.dll", LoaderSystemCode,
                                       &KdDllDTE, 40);
            }
 
            if (!KdDllBase)
            {
                /* Ignore the failure; we will fail later when scanning the
                 * kernel import tables, if it really needs the KD DLL. */
                ERR("LoadModule('%s') failed\n", KdDllName);
            }
        }
    }
 
    /* Load the correct Boot Video Driver */
    if (OperatingSystemVersion >= _WIN32_WINNT_WIN2K)
    {
        /* Check whether there is a BOOTVID option */
        Option = NtLdrGetOptionEx(BootOptions, "BOOTVID=", &OptionLength);
        if (Option && (OptionLength > 8))
        {
            /* Retrieve the BootVid file name */
            Option += 8; OptionLength -= 8;
            RtlStringCbCopyNA(BootVidName, sizeof(BootVidName), Option, OptionLength);
            _strlwr(BootVidName);
            TRACE("User-specified BootVid file: '%s'\n", BootVidName);
        }
        else
        {
            /* No option given, attempt auto-detection */
            NtLdrDetectBootVid(LoaderBlock->ConfigurationRoot,
                               BootVidName, sizeof(BootVidName));
            TRACE("Auto-detected BootVid file: '%s'\n", BootVidName);
        }
 
        /* Load the BootVid */
        BootVidBase = LoadModule(&LoaderBlock->LoadOrderListHead,
                                 DirPath, BootVidName,
                                 "bootvid.dll", LoaderSystemCode,
                                 &BootVidDTE, 45);
        if (!BootVidBase)
        {
            /* Ignore the failure; we will fail later when scanning the
             * kernel import tables, if it really needs the BootVid. */
            ERR("LoadModule('%s') failed\n", BootVidName);
        }
    }
 
    /* Load all referenced DLLs for Kernel, HAL, Kernel Debugger Transport and BootVid */
    ModuleName = KernelFileName;
    Success = PeLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, DirPath, *KernelDTE);
    if (!Success)
        goto Quit;
    ModuleName = HalFileName;
    Success = PeLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, DirPath, HalDTE);
    if (!Success)
        goto Quit;
    if (KdDllDTE)
    {
        ModuleName = KdDllName;
        Success = PeLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, DirPath, KdDllDTE);
        if (!Success)
            goto Quit;
    }
    if (BootVidDTE)
    {
        ModuleName = BootVidName;
        Success = PeLdrScanImportDescriptorTable(&LoaderBlock->LoadOrderListHead, DirPath, BootVidDTE);
        if (!Success)
            goto Quit;
    }
 
Quit:
    if (!Success)
    {
        ERR("PeLdrScanImportDescriptorTable('%s') failed\n", ModuleName);
        UiMessageBox("Could not load %s", ModuleName);
 
        /* Cleanup and bail out */
        if (BootVidDTE)
            PeLdrFreeDataTableEntry(BootVidDTE);
        if (BootVidBase) // Optional
            MmFreeMemory(BootVidBase);
 
        if (KdDllDTE)
            PeLdrFreeDataTableEntry(KdDllDTE);
        if (KdDllBase) // Optional
            MmFreeMemory(KdDllBase);
 
        PeLdrFreeDataTableEntry(HalDTE);
        MmFreeMemory(HalBase);
 
        PeLdrFreeDataTableEntry(*KernelDTE);
        MmFreeMemory(KernelBase);
    }
 
    return Success;
}

Referenced by LoadAndBootWindowsCommon().

NtLdrDetectBootVid()

static VOID NtLdrDetectBootVid ( _In_ PCONFIGURATION_COMPONENT_DATA  ConfigTree, _Out_writes_bytes_(BootVidNameSize) _Always_(_Post_z_) PSTR  BootVidName, _In_ SIZE_T  BootVidNameSize  )

static

Definition at line 623 of file winldr.c.

{
    /* NOTE: The following array should instead be read from txtsetup.sif */
    static const struct
    {
        PCSTR SystemSubId;
        PCSTR ModuleName;
    } BootVidNames[] =
    {
#if defined(_M_IX86) && !defined(UEFIBOOT)
        {"PC-98", "pc98bvid.dll"},
        {"Xbox", "xboxbvid.dll"},
#endif
        {"EFI", "lfbbvid.dll"},
    };
 
    /* Default BootVid file name */
    RtlStringCbCopyA(BootVidName, BootVidNameSize, "bootvid.dll");
 
    /* Attempt auto-detection by System ID */
    PCONFIGURATION_COMPONENT_DATA Entry;
    Entry = KeFindConfigurationEntry(ConfigTree,
                                     SystemClass,
                                     ArcSystem,
                                     NULL);
    if (!Entry)
    {
        /* No SystemClass ArcSystem entry, retry with hack */
        Entry = KeFindConfigurationEntry(ConfigTree,
                                         SystemClass,
                                         MaximumType, // HACK for non-ARC machines
                                         NULL);
    }
    if (Entry)
    {
        // Entry->ComponentEntry.IdentifierLength;
        TRACE("ARC System ID: '%s'\n", Entry->ComponentEntry.Identifier);
 
        /* Look up the name */
        for (ULONG i = 0; i < RTL_NUMBER_OF(BootVidNames); ++i)
        {
            if (strstr(Entry->ComponentEntry.Identifier, BootVidNames[i].SystemSubId))
            {
                RtlStringCbCopyA(BootVidName, BootVidNameSize, BootVidNames[i].ModuleName);
                break;
            }
        }
    }
    /* Special-case detection if the display controller contains
     * a DeviceSpecific CM_FRAMEBUF_DEVICE_DATA resource */
    Entry = KeFindConfigurationEntry(ConfigTree,
                                     ControllerClass,
                                     DisplayController,
                                     NULL);
    if (Entry)
    {
        /* Cast to PCM_PARTIAL_RESOURCE_LIST to access
         * the common Version and Revision fields */
        PCM_PARTIAL_RESOURCE_LIST ResourceList =
            (PCM_PARTIAL_RESOURCE_LIST)Entry->ConfigurationData;
        ULONG ConfigurationDataLength =
            Entry->ComponentEntry.ConfigurationDataLength;
 
        // Entry->ComponentEntry.IdentifierLength;
        TRACE("Display: '%s'\n", Entry->ComponentEntry.Identifier);
 
        /* The configuration data length must be valid.
         * The Version/Revision must be greater than or equal to 1.2
         * in order to describe a valid new configuration data. */
        if (Entry->ConfigurationData &&
            (ConfigurationDataLength >= sizeof(CM_PARTIAL_RESOURCE_LIST)) &&
            ( (ResourceList->Version >  1) ||
             ((ResourceList->Version == 1) && (ResourceList->Revision > 1)) ))
        {
            /* Try to find the DeviceSpecific resource */
            PCM_PARTIAL_RESOURCE_DESCRIPTOR DeviceSpecific = NULL;
            for (ULONG i = 0; i < ResourceList->Count; ++i)
            {
                PCM_PARTIAL_RESOURCE_DESCRIPTOR Descriptor =
                    &ResourceList->PartialDescriptors[i];
                if (Descriptor->Type == CmResourceTypeDeviceSpecific)
                {
                    /* NOTE: This descriptor *MUST* be the last one.
                     * The actual device data follows the descriptor. */
                    ASSERT(i == ResourceList->Count - 1);
                    DeviceSpecific = Descriptor;
                    break;
                }
            }
 
            /* Check whether the resource describes framebuffer information */
            if (DeviceSpecific &&
                (DeviceSpecific->u.DeviceSpecificData.DataSize >= sizeof(CM_FRAMEBUF_DEVICE_DATA)))
            {
                /* It does, use the Linear FrameBuffer Boot Video Driver instead */
                RtlStringCbCopyA(BootVidName, BootVidNameSize, "lfbbvid.dll");
            }
        }
    }
}

Referenced by LoadWindowsCore().

NtLdrImportDllLoadCallback()

static VOID NTAPI NtLdrImportDllLoadCallback ( _In_ PCSTR  FileName )

static

Definition at line 48 of file winldr.c.

{
    NtLdrOutputLoadMsg(FileName, NULL);
}

Referenced by LoadAndBootWindowsCommon().

NtLdrOutputLoadMsg()

VOID NtLdrOutputLoadMsg	(	_In_ PCSTR	FileName,
		_In_opt_ PCSTR	Description
	)

Definition at line 55 of file winldr.c.

{
    if (SosEnabled)
    {
        printf("  %s\n", FileName);
        TRACE("Loading: %s\n", FileName);
    }
    else
    {
        /* Inform the user we load a file */
        CHAR ProgressString[256];
 
        RtlStringCbPrintfA(ProgressString, sizeof(ProgressString),
                           "Loading %s...",
                           (Description ? Description : FileName));
        // UiSetProgressBarText(ProgressString);
        // UiIndicateProgress();
        UiDrawStatusText(ProgressString);
    }
}

Referenced by LoadModule(), NtLdrImportDllLoadCallback(), WinLdrLoadDeviceDriver(), WinLdrLoadModule(), WinLdrLoadNLSData(), and WinLdrLoadSystemHive().

WinLdrDetectVersion()

USHORT WinLdrDetectVersion

(

VOID

)

Definition at line 500 of file winldr.c.

{
    LONG rc;
    HKEY hKey;
 
    rc = RegOpenKey(CurrentControlSetKey, L"Control\\Terminal Server", &hKey);
    if (rc != ERROR_SUCCESS)
    {
        /* Key doesn't exist; assume NT 4.0 */
        return _WIN32_WINNT_NT4;
    }
    RegCloseKey(hKey);
 
    /* We may here want to read the value of ProductVersion */
    return _WIN32_WINNT_WS03;
}

Referenced by LoadAndBootWindows().

WinLdrInitErrataInf()

static BOOLEAN WinLdrInitErrataInf ( IN OUT PLOADER_PARAMETER_BLOCK  LoaderBlock, IN USHORT  OperatingSystemVersion, IN PCSTR  SystemRoot  )

static

Definition at line 1079 of file winldr.c.

{
    LONG rc;
    HKEY hKey;
    ULONG BufferSize;
    ULONG FileSize;
    PVOID PhysicalBase;
    WCHAR szFileName[80];
    CHAR ErrataFilePath[MAX_PATH];
 
    /* Open either the 'BiosInfo' (Windows <= 2003) or the 'Errata' (Vista+) key */
    if (OperatingSystemVersion >= _WIN32_WINNT_VISTA)
    {
        rc = RegOpenKey(CurrentControlSetKey, L"Control\\Errata", &hKey);
    }
    else // (OperatingSystemVersion <= _WIN32_WINNT_WS03)
    {
        rc = RegOpenKey(CurrentControlSetKey, L"Control\\BiosInfo", &hKey);
    }
    if (rc != ERROR_SUCCESS)
    {
        WARN("Could not open the BiosInfo/Errata registry key (Error %u)\n", (int)rc);
        return FALSE;
    }
 
    /* Retrieve the INF file name value */
    BufferSize = sizeof(szFileName);
    rc = RegQueryValue(hKey, L"InfName", NULL, (PUCHAR)szFileName, &BufferSize);
    if (rc != ERROR_SUCCESS)
    {
        WARN("Could not retrieve the InfName value (Error %u)\n", (int)rc);
        RegCloseKey(hKey);
        return FALSE;
    }
 
    // TODO: "SystemBiosDate"
 
    RegCloseKey(hKey);
 
    RtlStringCbPrintfA(ErrataFilePath, sizeof(ErrataFilePath), "%s%s%S",
                       SystemRoot, "inf\\", szFileName);
 
    /* Load the INF file */
    PhysicalBase = WinLdrLoadModule(ErrataFilePath, &FileSize, LoaderRegistryData);
    if (!PhysicalBase)
    {
        WARN("Could not load '%s'\n", ErrataFilePath);
        return FALSE;
    }
 
    LoaderBlock->Extension->EmInfFileImage = PaToVa(PhysicalBase);
    LoaderBlock->Extension->EmInfFileSize  = FileSize;
 
    return TRUE;
}

Referenced by LoadAndBootWindows().

WinLdrInitializePhase1()

VOID WinLdrInitializePhase1	(	PLOADER_PARAMETER_BLOCK	LoaderBlock,
		PCSTR	Options,
		PCSTR	SystemRoot,
		PCSTR	BootPath,
		USHORT	VersionToBoot
	)

Definition at line 118 of file winldr.c.

{
    /*
     * Examples of correct options and paths:
     * CHAR Options[] = "/DEBUGPORT=COM1 /BAUDRATE=115200";
     * CHAR Options[] = "/NODEBUG";
     * CHAR SystemRoot[] = "\\WINNT\\";
     * CHAR ArcBoot[] = "multi(0)disk(0)rdisk(0)partition(1)";
     */
 
    PSTR  LoadOptions, NewLoadOptions;
    CHAR  HalPath[] = "\\";
    CHAR  ArcBoot[MAX_PATH+1];
    CHAR  MiscFiles[MAX_PATH+1];
    ULONG i;
    ULONG_PTR PathSeparator;
    PLOADER_PARAMETER_EXTENSION Extension;
 
    /* Construct SystemRoot and ArcBoot from SystemPath */
    PathSeparator = strstr(BootPath, "\\") - BootPath;
    RtlStringCbCopyNA(ArcBoot, sizeof(ArcBoot), BootPath, PathSeparator);
 
    TRACE("ArcBoot: '%s'\n", ArcBoot);
    TRACE("SystemRoot: '%s'\n", SystemRoot);
    TRACE("Options: '%s'\n", Options);
 
    /* Fill ARC BootDevice */
    LoaderBlock->ArcBootDeviceName = WinLdrSystemBlock->ArcBootDeviceName;
    RtlStringCbCopyA(LoaderBlock->ArcBootDeviceName, sizeof(WinLdrSystemBlock->ArcBootDeviceName), ArcBoot);
    LoaderBlock->ArcBootDeviceName = PaToVa(LoaderBlock->ArcBootDeviceName);
 
//
// IMPROVE!!
// SetupBlock->ArcSetupDeviceName must be the path to the setup **SOURCE**,
// and not the setup boot path. Indeed they may differ!!
//
    if (LoaderBlock->SetupLdrBlock)
    {
        PSETUP_LOADER_BLOCK SetupBlock = LoaderBlock->SetupLdrBlock;
 
        /* Adjust the ARC path in the setup block - Matches ArcBoot path */
        SetupBlock->ArcSetupDeviceName = WinLdrSystemBlock->ArcBootDeviceName;
        SetupBlock->ArcSetupDeviceName = PaToVa(SetupBlock->ArcSetupDeviceName);
 
        /* Convert the setup block pointer */
        LoaderBlock->SetupLdrBlock = PaToVa(LoaderBlock->SetupLdrBlock);
    }
 
    /* Fill ARC HalDevice, it matches ArcBoot path */
    LoaderBlock->ArcHalDeviceName = WinLdrSystemBlock->ArcBootDeviceName;
    LoaderBlock->ArcHalDeviceName = PaToVa(LoaderBlock->ArcHalDeviceName);
 
    /* Fill SystemRoot */
    LoaderBlock->NtBootPathName = WinLdrSystemBlock->NtBootPathName;
    RtlStringCbCopyA(LoaderBlock->NtBootPathName, sizeof(WinLdrSystemBlock->NtBootPathName), SystemRoot);
    LoaderBlock->NtBootPathName = PaToVa(LoaderBlock->NtBootPathName);
 
    /* Fill NtHalPathName */
    LoaderBlock->NtHalPathName = WinLdrSystemBlock->NtHalPathName;
    RtlStringCbCopyA(LoaderBlock->NtHalPathName, sizeof(WinLdrSystemBlock->NtHalPathName), HalPath);
    LoaderBlock->NtHalPathName = PaToVa(LoaderBlock->NtHalPathName);
 
    /* Fill LoadOptions and strip the '/' switch symbol in front of each option */
    NewLoadOptions = LoadOptions = LoaderBlock->LoadOptions = WinLdrSystemBlock->LoadOptions;
    RtlStringCbCopyA(LoaderBlock->LoadOptions, sizeof(WinLdrSystemBlock->LoadOptions), Options);
 
    do
    {
        while (*LoadOptions == '/')
            ++LoadOptions;
 
        *NewLoadOptions++ = *LoadOptions;
    } while (*LoadOptions++);
 
    LoaderBlock->LoadOptions = PaToVa(LoaderBlock->LoadOptions);
 
    /* ARC devices */
    LoaderBlock->ArcDiskInformation = &WinLdrSystemBlock->ArcDiskInformation;
    InitializeListHead(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead);
 
    /* Convert ARC disk information from freeldr to a correct format */
    ULONG DiscCount = ArcGetDiskCount();
    for (i = 0; i < DiscCount; i++)
    {
        PARC_DISK_SIGNATURE_EX ArcDiskSig;
 
        /* Allocate the ARC structure */
        ArcDiskSig = FrLdrHeapAlloc(sizeof(ARC_DISK_SIGNATURE_EX), 'giSD');
        if (!ArcDiskSig)
        {
            ERR("Failed to allocate ARC structure! Ignoring remaining ARC disks. (i = %lu, DiskCount = %lu)\n",
                i, DiscCount);
            break;
        }
 
        /* Copy the data over */
        RtlCopyMemory(ArcDiskSig, ArcGetDiskInfo(i), sizeof(ARC_DISK_SIGNATURE_EX));
 
        /* Set the ARC Name pointer */
        ArcDiskSig->DiskSignature.ArcName = PaToVa(ArcDiskSig->ArcName);
 
        /* Insert into the list */
        InsertTailList(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead,
                       &ArcDiskSig->DiskSignature.ListEntry);
    }
 
    /* Convert all lists to Virtual address */
 
    /* Convert the ArcDisks list to virtual address */
    List_PaToVa(&LoaderBlock->ArcDiskInformation->DiskSignatureListHead);
    LoaderBlock->ArcDiskInformation = PaToVa(LoaderBlock->ArcDiskInformation);
 
    /* Convert configuration entries to VA */
    ConvertConfigToVA(LoaderBlock->ConfigurationRoot);
    LoaderBlock->ConfigurationRoot = PaToVa(LoaderBlock->ConfigurationRoot);
 
    /* Convert all DTE into virtual addresses */
    List_PaToVa(&LoaderBlock->LoadOrderListHead);
 
    /* This one will be converted right before switching to virtual paging mode */
    //List_PaToVa(&LoaderBlock->MemoryDescriptorListHead);
 
    /* Convert list of boot drivers */
    List_PaToVa(&LoaderBlock->BootDriverListHead);
 
    Extension = LoaderBlock->Extension;
 
    /* FIXME! HACK value for docking profile */
    Extension->Profile.Status = 2;
 
    /* Check if FreeLdr detected a ACPI table */
    if (IsAcpiPresent())
    {
        /* Set the pointer to something for compatibility */
        Extension->AcpiTable = (PVOID)1;
        // FIXME: Extension->AcpiTableSize;
    }
 
    if (VersionToBoot >= _WIN32_WINNT_VISTA)
    {
        Extension->BootViaWinload = 1;
        Extension->LoaderPerformanceData = PaToVa(&WinLdrSystemBlock->LoaderPerformanceData);
 
        InitializeListHead(&Extension->BootApplicationPersistentData);
        List_PaToVa(&Extension->BootApplicationPersistentData);
    }
 
#ifdef _M_IX86
    /* Set headless block pointer */
    if (WinLdrTerminalConnected)
    {
        Extension->HeadlessLoaderBlock = &WinLdrSystemBlock->HeadlessLoaderBlock;
        RtlCopyMemory(Extension->HeadlessLoaderBlock,
                      &LoaderRedirectionInformation,
                      sizeof(HEADLESS_LOADER_BLOCK));
        Extension->HeadlessLoaderBlock = PaToVa(Extension->HeadlessLoaderBlock);
    }
#endif
    /* Load drivers database */
    RtlStringCbCopyA(MiscFiles, sizeof(MiscFiles), BootPath);
    RtlStringCbCatA(MiscFiles, sizeof(MiscFiles), "AppPatch\\drvmain.sdb");
    Extension->DrvDBImage = PaToVa(WinLdrLoadModule(MiscFiles,
                                                    &Extension->DrvDBSize,
                                                    LoaderRegistryData));
 
    /* Convert the extension block pointer */
    LoaderBlock->Extension = PaToVa(LoaderBlock->Extension);
 
    TRACE("WinLdrInitializePhase1() completed\n");
}

Referenced by LoadAndBootWindowsCommon().

WinLdrLoadBootDrivers()

BOOLEAN WinLdrLoadBootDrivers	(	PLOADER_PARAMETER_BLOCK	LoaderBlock,
		PCSTR	BootPath
	)

Definition at line 382 of file winldr.c.

{
    PLIST_ENTRY NextBd;
    PBOOT_DRIVER_NODE DriverNode;
    PBOOT_DRIVER_LIST_ENTRY BootDriver;
    BOOLEAN Success;
    BOOLEAN ret = TRUE;
 
    /* Walk through the boot drivers list */
    NextBd = LoaderBlock->BootDriverListHead.Flink;
    while (NextBd != &LoaderBlock->BootDriverListHead)
    {
        DriverNode = CONTAINING_RECORD(NextBd,
                                       BOOT_DRIVER_NODE,
                                       ListEntry.Link);
        BootDriver = &DriverNode->ListEntry;
 
        /* Get the next list entry as we may remove the current one on failure */
        NextBd = BootDriver->Link.Flink;
 
        TRACE("BootDriver %wZ DTE %08X RegPath: %wZ\n",
              &BootDriver->FilePath, BootDriver->LdrEntry,
              &BootDriver->RegistryPath);
 
        // Paths are relative (FIXME: Are they always relative?)
 
        /* Load it */
        UiIndicateProgress();
        Success = WinLdrLoadDeviceDriver(&LoaderBlock->LoadOrderListHead,
                                         BootPath,
                                         &BootDriver->FilePath,
                                         0,
                                         &BootDriver->LdrEntry);
        if (Success)
        {
            /* Convert the addresses to VA since we are not going to use them anymore */
            BootDriver->RegistryPath.Buffer = PaToVa(BootDriver->RegistryPath.Buffer);
            BootDriver->FilePath.Buffer = PaToVa(BootDriver->FilePath.Buffer);
            BootDriver->LdrEntry = PaToVa(BootDriver->LdrEntry);
 
            if (DriverNode->Group.Buffer)
                DriverNode->Group.Buffer = PaToVa(DriverNode->Group.Buffer);
            DriverNode->Name.Buffer = PaToVa(DriverNode->Name.Buffer);
        }
        else
        {
            /* Loading failed: cry loudly */
            ERR("Cannot load boot driver '%wZ'!\n", &BootDriver->FilePath);
            UiMessageBox("Cannot load boot driver '%wZ'!", &BootDriver->FilePath);
            ret = FALSE;
 
            /* Remove it from the list and try to continue */
            RemoveEntryList(&BootDriver->Link);
        }
    }
 
    return ret;
}

Referenced by LoadAndBootWindowsCommon().

WinLdrLoadDeviceDriver()

static BOOLEAN WinLdrLoadDeviceDriver ( PLIST_ENTRY  LoadOrderListHead, PCSTR  BootPath, PUNICODE_STRING  FilePath, ULONG  Flags, PLDR_DATA_TABLE_ENTRY *  DriverDTE  )

static

Definition at line 294 of file winldr.c.

{
    CHAR FullPath[1024];
    CHAR DriverPath[1024];
    CHAR DllName[1024];
    PCHAR DriverNamePos;
    BOOLEAN Success;
    PVOID DriverBase = NULL;
 
    // Separate the path to file name and directory path
    RtlStringCbPrintfA(DriverPath, sizeof(DriverPath), "%wZ", FilePath);
    DriverNamePos = strrchr(DriverPath, '\\');
    if (DriverNamePos != NULL)
    {
        // Copy the name
        RtlStringCbCopyA(DllName, sizeof(DllName), DriverNamePos+1);
 
        // Cut out the name from the path
        *(DriverNamePos+1) = ANSI_NULL;
    }
    else
    {
        // There is no directory in the path
        RtlStringCbCopyA(DllName, sizeof(DllName), DriverPath);
        *DriverPath = ANSI_NULL;
    }
 
    TRACE("DriverPath: '%s', DllName: '%s', LPB\n", DriverPath, DllName);
 
    // Check if driver is already loaded
    Success = PeLdrCheckForLoadedDll(LoadOrderListHead, DllName, DriverDTE);
    if (Success)
    {
        // We've got the pointer to its DTE, just return success
        return TRUE;
    }
 
    // It's not loaded, we have to load it
    RtlStringCbPrintfA(FullPath, sizeof(FullPath), "%s%wZ", BootPath, FilePath);
 
    NtLdrOutputLoadMsg(FullPath, NULL);
    Success = PeLdrLoadImage(FullPath, LoaderBootDriver, &DriverBase);
    if (!Success)
    {
        ERR("PeLdrLoadImage('%s') failed\n", DllName);
        return FALSE;
    }
 
    // Allocate a DTE for it
    Success = PeLdrAllocateDataTableEntry(LoadOrderListHead,
                                          DllName,
                                          DllName,
                                          PaToVa(DriverBase),
                                          DriverDTE);
    if (!Success)
    {
        /* Cleanup and bail out */
        ERR("PeLdrAllocateDataTableEntry('%s') failed\n", DllName);
        MmFreeMemory(DriverBase);
        return FALSE;
    }
 
    /* Init security cookie */
    PeLdrInitSecurityCookie(*DriverDTE);
 
    // Modify any flags, if needed
    (*DriverDTE)->Flags |= Flags;
 
    // Look for any dependencies it may have, and load them too
    RtlStringCbPrintfA(FullPath, sizeof(FullPath), "%s%s", BootPath, DriverPath);
    Success = PeLdrScanImportDescriptorTable(LoadOrderListHead, FullPath, *DriverDTE);
    if (!Success)
    {
        /* Cleanup and bail out */
        ERR("PeLdrScanImportDescriptorTable('%s') failed\n", FullPath);
        PeLdrFreeDataTableEntry(*DriverDTE);
        MmFreeMemory(DriverBase);
        return FALSE;
    }
 
    return TRUE;
}

Referenced by WinLdrLoadBootDrivers().

WinLdrLoadModule()

PVOID WinLdrLoadModule	(	PCSTR	ModuleName,
		PULONG	Size,
		TYPE_OF_MEMORY	MemoryType
	)

Definition at line 443 of file winldr.c.

{
    ULONG FileId;
    PVOID PhysicalBase;
    FILEINFORMATION FileInfo;
    ULONG FileSize;
    ARC_STATUS Status;
    ULONG BytesRead;
 
    *Size = 0;
 
    /* Open the image file */
    NtLdrOutputLoadMsg(ModuleName, NULL);
    Status = ArcOpen((PSTR)ModuleName, OpenReadOnly, &FileId);
    if (Status != ESUCCESS)
    {
        /* In case of errors, we just return, without complaining to the user */
        WARN("Error while opening '%s', Status: %u\n", ModuleName, Status);
        return NULL;
    }
 
    /* Retrieve its size */
    Status = ArcGetFileInformation(FileId, &FileInfo);
    if (Status != ESUCCESS)
    {
        ArcClose(FileId);
        return NULL;
    }
    FileSize = FileInfo.EndingAddress.LowPart;
    *Size = FileSize;
 
    /* Allocate memory */
    PhysicalBase = MmAllocateMemoryWithType(FileSize, MemoryType);
    if (PhysicalBase == NULL)
    {
        ERR("Could not allocate memory for '%s'\n", ModuleName);
        ArcClose(FileId);
        return NULL;
    }
 
    /* Load the whole file */
    Status = ArcRead(FileId, PhysicalBase, FileSize, &BytesRead);
    ArcClose(FileId);
    if (Status != ESUCCESS)
    {
        WARN("Error while reading '%s', Status: %u\n", ModuleName, Status);
        return NULL;
    }
 
    TRACE("Loaded %s at 0x%x with size 0x%x\n", ModuleName, PhysicalBase, FileSize);
 
    return PhysicalBase;
}

Referenced by SetupLdrInitErrataInf(), WinLdrInitErrataInf(), and WinLdrInitializePhase1().

WinLdrpDumpArcDisks()

VOID WinLdrpDumpArcDisks

(

PLOADER_PARAMETER_BLOCK

LoaderBlock

)

Definition at line 1511 of file winldr.c.

{
    PLIST_ENTRY NextBd;
    PARC_DISK_SIGNATURE ArcDisk;
 
    NextBd = LoaderBlock->ArcDiskInformation->DiskSignatureListHead.Flink;
 
    while (NextBd != &LoaderBlock->ArcDiskInformation->DiskSignatureListHead)
    {
        ArcDisk = CONTAINING_RECORD(NextBd, ARC_DISK_SIGNATURE, ListEntry);
 
        TRACE("ArcDisk %s checksum: 0x%X, signature: 0x%X\n",
            ArcDisk->ArcName, ArcDisk->CheckSum, ArcDisk->Signature);
 
        NextBd = ArcDisk->ListEntry.Flink;
    }
}

Referenced by LoadAndBootWindowsCommon().

WinLdrpDumpBootDriver()

VOID WinLdrpDumpBootDriver

(

PLOADER_PARAMETER_BLOCK

LoaderBlock

)

Definition at line 1492 of file winldr.c.

{
    PLIST_ENTRY NextBd;
    PBOOT_DRIVER_LIST_ENTRY BootDriver;
 
    NextBd = LoaderBlock->BootDriverListHead.Flink;
 
    while (NextBd != &LoaderBlock->BootDriverListHead)
    {
        BootDriver = CONTAINING_RECORD(NextBd, BOOT_DRIVER_LIST_ENTRY, Link);
 
        TRACE("BootDriver %wZ DTE %08X RegPath: %wZ\n", &BootDriver->FilePath,
            BootDriver->LdrEntry, &BootDriver->RegistryPath);
 
        NextBd = BootDriver->Link.Flink;
    }
}

Referenced by LoadAndBootWindowsCommon().

WinLdrpDumpMemoryDescriptors()

VOID WinLdrpDumpMemoryDescriptors

(

PLOADER_PARAMETER_BLOCK

LoaderBlock

)

Definition at line 1473 of file winldr.c.

{
    PLIST_ENTRY NextMd;
    PMEMORY_ALLOCATION_DESCRIPTOR MemoryDescriptor;
 
    NextMd = LoaderBlock->MemoryDescriptorListHead.Flink;
 
    while (NextMd != &LoaderBlock->MemoryDescriptorListHead)
    {
        MemoryDescriptor = CONTAINING_RECORD(NextMd, MEMORY_ALLOCATION_DESCRIPTOR, ListEntry);
 
        TRACE("BP %08X PC %04X MT %d\n", MemoryDescriptor->BasePage,
            MemoryDescriptor->PageCount, MemoryDescriptor->MemoryType);
 
        NextMd = MemoryDescriptor->ListEntry.Flink;
    }
}

Referenced by LoadAndBootWindowsCommon(), and WinLdrSetupMemoryLayout().

WinLdrSetupEms()

VOID WinLdrSetupEms

(

_In_ PCSTR

BootOptions

)

Definition at line 232 of file headless.c.

{
    PCSTR Option;
 
    /* Start fresh */
    RtlZeroMemory(&LoaderRedirectionInformation, sizeof(HEADLESS_LOADER_BLOCK));
    LoaderRedirectionInformation.PciDeviceId = PCI_INVALID_VENDORID;
 
    /* Use a direction port if one was given, or use ACPI to detect one instead */
    Option = NtLdrGetOption(BootOptions, "redirect=");
    if (Option)
    {
        Option += 9;
        if (_strnicmp(Option, "com", 3) == 0)
        {
            Option += 3;
            LoaderRedirectionInformation.PortNumber = atoi(Option);
            LoaderRedirectionInformation.TerminalType = 1; // VT100+
        }
        else if (_strnicmp(Option, "usebiossettings", 15) == 0)
        {
            // FIXME: TODO!
            UiDrawStatusText("ACPI SRT/SPCR Table Not Supported...");
            return;
        }
        else
        {
#ifdef _WIN64
#define strtoulptr strtoull
#else
#define strtoulptr strtoul
#endif
            LoaderRedirectionInformation.PortAddress = (PUCHAR)strtoulptr(Option, 0, 16);
            if (LoaderRedirectionInformation.PortAddress)
                LoaderRedirectionInformation.PortNumber = 3;
        }
    }
 
    /* Use a direction baudrate if one was given */
    Option = NtLdrGetOption(BootOptions, "redirectbaudrate=");
    if (Option)
    {
        Option += 17;
        // LoaderRedirectionInformation.BaudRate = atoi(Option);
        if (strncmp(Option, "115200", 6) == 0)
        {
            LoaderRedirectionInformation.BaudRate = 115200;
        }
        else if (strncmp(Option, "57600", 5) == 0)
        {
            LoaderRedirectionInformation.BaudRate = 57600;
        }
        else if (strncmp(Option, "19200", 5) == 0)
        {
            LoaderRedirectionInformation.BaudRate = 19200;
        }
        else
        {
            LoaderRedirectionInformation.BaudRate = 9600;
        }
    }
 
    /* Enable headless support if parameters were found */
    if (LoaderRedirectionInformation.PortNumber)
    {
        if (!LoaderRedirectionInformation.BaudRate)
        {
            LoaderRedirectionInformation.BaudRate = 9600;
        }
 
        WinLdrInitializeHeadlessPort();
    }
}

Referenced by LoadAndBootWindowsCommon().

Variable Documentation

BootFileSystem

PCWSTR BootFileSystem = NULL

Definition at line 31 of file winldr.c.

Referenced by CmpFindDrivers(), SetupLdrScanBootDrivers(), WinLdrLoadSystemHive(), and WinLdrScanRegistry().

BootLogo

BOOLEAN BootLogo = FALSE

Definition at line 36 of file winldr.c.

Referenced by DisplayBootBitmap(), and LoadWindowsCore().

LoaderRedirectionInformation

HEADLESS_LOADER_BLOCK LoaderRedirectionInformation

extern

Definition at line 33 of file headless.c.

Referenced by WinLdrInitializeHeadlessPort(), WinLdrInitializePhase1(), WinLdrPortInitialize(), and WinLdrSetupEms().

NoExecuteEnabled

BOOLEAN NoExecuteEnabled = FALSE

Definition at line 40 of file winldr.c.

Referenced by LoadWindowsCore().

SafeBoot

BOOLEAN SafeBoot = FALSE

Definition at line 35 of file winldr.c.

Referenced by LoadWindowsCore(), and Phase1InitializationDiscard().

SosEnabled

BOOLEAN SosEnabled = FALSE

Definition at line 34 of file winldr.c.

Referenced by IopDisplayLoadingMessage(), LoadAndBootWindows(), LoadReactOSSetup(), and NtLdrOutputLoadMsg().

VirtualBias

BOOLEAN VirtualBias = FALSE

Definition at line 33 of file winldr.c.

Referenced by LoadWindowsCore().

WinLdrSystemBlock

PLOADER_SYSTEM_BLOCK WinLdrSystemBlock

Definition at line 30 of file winldr.c.

Referenced by AllocateAndInitLPB(), LoadReactOSSetup(), WinLdrAddDriverToList(), and WinLdrInitializePhase1().

WinLdrTerminalConnected

BOOLEAN WinLdrTerminalConnected

extern

Definition at line 34 of file headless.c.

Referenced by WinLdrInitializeHeadlessPort(), and WinLdrInitializePhase1().