winldr.h File Reference

#include <arc/setupblk.h>
#include <pshpack1.h>
#include <poppack.h>

Include dependency graph for winldr.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	RSDP_DESCRIPTOR
struct	_ARC_DISK_SIGNATURE_EX

Macros
#define	TAG_WLDR_DTE   'eDlW'
#define	TAG_WLDR_BDE   'dBlW'
#define	TAG_WLDR_NAME   'mNlW'

Typedefs
typedef struct RSDP_DESCRIPTOR *	PRSDP_DESCRIPTOR
typedef struct _ARC_DISK_SIGNATURE_EX	ARC_DISK_SIGNATURE_EX
typedef struct _ARC_DISK_SIGNATURE_EX *	PARC_DISK_SIGNATURE_EX

Functions
ARC_STATUS	LoadAndBootWindows (IN ULONG Argc, IN PCHAR Argv[], IN PCHAR Envp[])
ARC_STATUS	LoadReactOSSetup (IN ULONG Argc, IN PCHAR Argv[], IN PCHAR Envp[])
PVOID	VaToPa (PVOID Va)
PVOID	PaToVa (PVOID Pa)
VOID	List_PaToVa (_In_ LIST_ENTRY *ListEntry)

Macro Definition Documentation

TAG_WLDR_BDE

#define TAG_WLDR_BDE   'dBlW'

Definition at line 14 of file winldr.h.

TAG_WLDR_DTE

#define TAG_WLDR_DTE   'eDlW'

Definition at line 13 of file winldr.h.

TAG_WLDR_NAME

#define TAG_WLDR_NAME   'mNlW'

Definition at line 15 of file winldr.h.

Typedef Documentation

ARC_DISK_SIGNATURE_EX

typedef struct _ARC_DISK_SIGNATURE_EX ARC_DISK_SIGNATURE_EX

PARC_DISK_SIGNATURE_EX

typedef struct _ARC_DISK_SIGNATURE_EX * PARC_DISK_SIGNATURE_EX

PRSDP_DESCRIPTOR

typedef struct RSDP_DESCRIPTOR * PRSDP_DESCRIPTOR

Function Documentation

List_PaToVa()

VOID List_PaToVa

(

_In_ LIST_ENTRY *

ListEntry

)

Referenced by WinLdrInitializePhase1(), and WinLdrSetupMemoryLayout().

LoadAndBootWindows()

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

Definition at line 722 of file winldr.c.

{
    ARC_STATUS Status;
    PCSTR ArgValue;
    PCSTR SystemPartition;
    PCHAR File;
    BOOLEAN Success;
    USHORT OperatingSystemVersion;
    PLOADER_PARAMETER_BLOCK LoaderBlock;
    CHAR BootPath[MAX_PATH];
    CHAR FileName[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
    {
        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;
    }

    UiDrawBackdrop();
    UiDrawProgressBarCenter(1, 100, "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(FileName, sizeof(FileName), BootPath);

        /* This is not a full path: prepend the SystemPartition */
        RtlStringCbCopyA(BootPath, sizeof(BootPath), SystemPartition);

        /* Append a path separator if needed */
        if (*FileName != '\\' && *FileName != '/')
            RtlStringCbCatA(BootPath, sizeof(BootPath), "\\");

        /* Append the remaining path */
        RtlStringCbCatA(BootPath, sizeof(BootPath), FileName);
    }

    /* 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 "/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 (strstr(BootOptions, "/HAL=") != 0)
    {
        /*
         * 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 (strstr(BootOptions, "/KERNEL=") != 0)
    {
        /*
         * 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 ramdisk file was given */
    File = strstr(BootOptions, "/RDPATH=");
    if (File)
    {
        /* Load the ramdisk */
        Status = RamDiskInitialize(FALSE, BootOptions, SystemPartition);
        if (Status != ESUCCESS)
        {
            File += 8;
            UiMessageBox("Failed to load RAM disk file '%.*s'",
                         strcspn(File, " \t"), File);
            return Status;
        }
    }

    /* Let user know we started loading */
    //UiDrawStatusText("Loading...");

    /* Allocate and minimally-initialize the Loader Parameter Block */
    AllocateAndInitLPB(OperatingSystemVersion, &LoaderBlock);

    /* Load the system hive */
    UiDrawBackdrop();
    UiDrawProgressBarCenter(15, 100, "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,
                                    FALSE);
}

LoadReactOSSetup()

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

Definition at line 178 of file setupldr.c.

{
    ARC_STATUS Status;
    PCSTR ArgValue;
    PCSTR SystemPartition;
    PCHAR File;
    CHAR FileName[MAX_PATH];
    CHAR BootPath[MAX_PATH];
    CHAR BootOptions2[256];
    PCSTR LoadOptions;
    PSTR BootOptions;
    BOOLEAN BootFromFloppy;
    BOOLEAN Success;
    ULONG i, ErrorLine;
    HINF InfHandle;
    INFCONTEXT InfContext;
    PLOADER_PARAMETER_BLOCK LoaderBlock;
    PSETUP_LOADER_BLOCK SetupBlock;
    PCSTR SystemPath;

    static PCSTR SourcePaths[] =
    {
        "", /* Only for floppy boot */
#if defined(_M_IX86)
        "I386\\",
#elif defined(_M_MPPC)
        "PPC\\",
#elif defined(_M_MRX000)
        "MIPS\\",
#endif
        "reactos\\",
        NULL
    };

    /* Retrieve the (mandatory) system partition */
    SystemPartition = GetArgumentValue(Argc, Argv, "SystemPartition");
    if (!SystemPartition || !*SystemPartition)
    {
        ERR("No 'SystemPartition' specified, aborting!\n");
        return EINVAL;
    }

    UiDrawStatusText("Setup is loading...");

    UiDrawBackdrop();
    UiDrawProgressBarCenter(1, 100, "Loading ReactOS Setup...");

    /* Retrieve the system path */
    *BootPath = ANSI_NULL;
    ArgValue = GetArgumentValue(Argc, Argv, "SystemPath");
    if (ArgValue)
    {
        RtlStringCbCopyA(BootPath, sizeof(BootPath), ArgValue);
    }
    else
    {
        /*
         * IMPROVE: I don't want to use the SystemPartition here as a
         * default choice because I can do it after (see few lines below).
         * Instead I reset BootPath here so that we can build the full path
         * using the general code from below.
         */
        // RtlStringCbCopyA(BootPath, sizeof(BootPath), SystemPartition);
        *BootPath = ANSI_NULL;
    }

    /*
     * 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(FileName, sizeof(FileName), BootPath);

        /* This is not a full path: prepend the SystemPartition */
        RtlStringCbCopyA(BootPath, sizeof(BootPath), SystemPartition);

        /* Append a path separator if needed */
        if (*FileName != '\\' && *FileName != '/')
            RtlStringCbCatA(BootPath, sizeof(BootPath), "\\");

        /* Append the remaining path */
        RtlStringCbCatA(BootPath, sizeof(BootPath), FileName);
    }

    /* 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 */
    *BootOptions2 = ANSI_NULL;
    ArgValue = GetArgumentValue(Argc, Argv, "Options");
    if (ArgValue && *ArgValue)
        RtlStringCbCopyA(BootOptions2, sizeof(BootOptions2), ArgValue);

    TRACE("BootOptions: '%s'\n", BootOptions2);

    /* Check if a ramdisk file was given */
    File = strstr(BootOptions2, "/RDPATH=");
    if (File)
    {
        /* Load the ramdisk */
        Status = RamDiskInitialize(FALSE, BootOptions2, SystemPartition);
        if (Status != ESUCCESS)
        {
            File += 8;
            UiMessageBox("Failed to load RAM disk file '%.*s'",
                         strcspn(File, " \t"), File);
            return Status;
        }
    }

    /* Check if we booted from floppy */
    BootFromFloppy = strstr(BootPath, "fdisk") != NULL;

    /* Open 'txtsetup.sif' from any of source paths */
    File = BootPath + strlen(BootPath);
    for (i = BootFromFloppy ? 0 : 1; ; i++)
    {
        SystemPath = SourcePaths[i];
        if (!SystemPath)
        {
            UiMessageBox("Failed to open txtsetup.sif");
            return ENOENT;
        }
        RtlStringCbCopyA(File, sizeof(BootPath) - (File - BootPath)*sizeof(CHAR), SystemPath);
        RtlStringCbCopyA(FileName, sizeof(FileName), BootPath);
        RtlStringCbCatA(FileName, sizeof(FileName), "txtsetup.sif");
        if (InfOpenFile(&InfHandle, FileName, &ErrorLine))
        {
            break;
        }
    }

    TRACE("BootPath: '%s', SystemPath: '%s'\n", BootPath, SystemPath);

    /* Get load options - debug and non-debug */
    if (!InfFindFirstLine(InfHandle, "SetupData", "OsLoadOptions", &InfContext))
    {
        ERR("Failed to find 'SetupData/OsLoadOptions'\n");
        return EINVAL;
    }

    if (!InfGetDataField(&InfContext, 1, &LoadOptions))
    {
        ERR("Failed to get load options\n");
        return EINVAL;
    }

#if DBG
    /* Get debug load options and use them */
    if (InfFindFirstLine(InfHandle, "SetupData", "DbgOsLoadOptions", &InfContext))
    {
        PCSTR DbgLoadOptions;

        if (InfGetDataField(&InfContext, 1, &DbgLoadOptions))
            LoadOptions = DbgLoadOptions;
    }
#endif

    /* Copy LoadOptions (original string will be freed) */
    BootOptions = FrLdrTempAlloc(strlen(LoadOptions) + 1, TAG_BOOT_OPTIONS);
    ASSERT(BootOptions);
    strcpy(BootOptions, LoadOptions);

    TRACE("BootOptions: '%s'\n", BootOptions);

    /* Allocate and minimally-initialize the Loader Parameter Block */
    AllocateAndInitLPB(_WIN32_WINNT_WS03, &LoaderBlock);

    /* Allocate and initialize setup loader block */
    SetupBlock = &WinLdrSystemBlock->SetupBlock;
    LoaderBlock->SetupLdrBlock = SetupBlock;

    /* Set textmode setup flag */
    SetupBlock->Flags = SETUPLDR_TEXT_MODE;

    /* Load the system hive "setupreg.hiv" for setup */
    UiDrawBackdrop();
    UiDrawProgressBarCenter(15, 100, "Loading setup system hive...");
    Success = WinLdrInitSystemHive(LoaderBlock, BootPath, TRUE);
    TRACE("Setup SYSTEM hive %s\n", (Success ? "loaded" : "not loaded"));
    /* Bail out if failure */
    if (!Success)
        return ENOEXEC;

    /* Load NLS data, they are in the System32 directory of the installation medium */
    RtlStringCbCopyA(FileName, sizeof(FileName), BootPath);
    RtlStringCbCatA(FileName, sizeof(FileName), "system32\\");
    SetupLdrLoadNlsData(LoaderBlock, InfHandle, FileName);

    /* Load the Firmware Errata file from the installation medium */
    Success = SetupLdrInitErrataInf(LoaderBlock, InfHandle, BootPath);
    TRACE("Firmware Errata file %s\n", (Success ? "loaded" : "not loaded"));
    /* Not necessarily fatal if not found - carry on going */

    // UiDrawStatusText("Press F6 if you need to install a 3rd-party SCSI or RAID driver...");

    /* Get a list of boot drivers */
    SetupLdrScanBootDrivers(&LoaderBlock->BootDriverListHead, InfHandle, BootPath);

    /* Close the inf file */
    InfCloseFile(InfHandle);

    UiDrawStatusText("The Setup program is starting...");

    /* Load ReactOS Setup */
    return LoadAndBootWindowsCommon(_WIN32_WINNT_WS03,
                                    LoaderBlock,
                                    BootOptions,
                                    BootPath,
                                    TRUE);
}

PaToVa()

PVOID PaToVa

(

PVOID

Pa

)

Definition at line 22 of file conversion.h.

{
    return (PVOID)((ULONG_PTR)Pa | KSEG0_BASE);
}

Referenced by ConvertConfigToVA(), List_PaToVa(), LoadAndBootWindowsCommon(), PeLdrAllocateDataTableEntry(), PeLdrLoadImage(), SetupLdrInitErrataInf(), WinLdrInitErrataInf(), WinLdrInitializePhase1(), WinLdrLoadBootDrivers(), WinLdrLoadNLSData(), and WinLdrLoadSystemHive().

VaToPa()

PVOID VaToPa

(

PVOID

Va

)

Definition at line 15 of file conversion.h.

{
    return (PVOID)((ULONG_PTR)Va & ~KSEG0_BASE);
}

Referenced by ConvertConfigToVA(), LoadBootDeviceDriver(), PeLdrAllocateDataTableEntry(), PeLdrCheckForLoadedDll(), PeLdrpBindImportName(), PeLdrpCompareDllName(), PeLdrpLoadAndScanReferencedDll(), PeLdrpScanImportAddressTable(), PeLdrScanImportDescriptorTable(), WinLdrInitSystemHive(), and WinLdrLoadNLSData().