inbv.c File Reference

#include <ntoskrnl.h>
#include <debug.h>
#include "bootvid/bootvid.h"

Include dependency graph for inbv.c:

Go to the source code of this file.

Classes
struct	tagRGBQUAD
struct	tagBITMAPINFOHEADER

Macros
#define	NDEBUG
#define	INBV_ROTBAR_IMPLEMENTED
#define	ROT_BAR_DEFAULT_MODE   RB_PROGRESS_BAR
#define	PALETTE_FADE_STEPS   15
#define	PALETTE_FADE_TIME   (20 * 1000) /* 20 ms */

Typedefs
typedef enum _ROT_BAR_STATUS	ROT_BAR_STATUS
typedef struct tagRGBQUAD	RGBQUAD
typedef struct tagRGBQUAD *	LPRGBQUAD
typedef struct tagBITMAPINFOHEADER	BITMAPINFOHEADER
typedef struct tagBITMAPINFOHEADER *	PBITMAPINFOHEADER

Enumerations
enum	_ROT_BAR_STATUS { RBS_FADEIN = 1, RBS_ANIMATE, RBS_STOP_ANIMATE, RBS_STATUS_MAX }

Functions
VOID NTAPI	InbvAcquireLock (VOID)
VOID NTAPI	InbvReleaseLock (VOID)
static VOID	BootLogoFadeIn (VOID)
PVOID NTAPI INIT_FUNCTION	FindBitmapResource (IN PLOADER_PARAMETER_BLOCK LoaderBlock, IN ULONG ResourceId)
BOOLEAN NTAPI INIT_FUNCTION	InbvDriverInitialize (IN PLOADER_PARAMETER_BLOCK LoaderBlock, IN ULONG Count)
VOID NTAPI INIT_FUNCTION	InbvEnableBootDriver (IN BOOLEAN Enable)
VOID NTAPI	InbvAcquireDisplayOwnership (VOID)
VOID NTAPI	InbvSetDisplayOwnership (IN BOOLEAN DisplayOwned)
BOOLEAN NTAPI	InbvCheckDisplayOwnership (VOID)
INBV_DISPLAY_STATE NTAPI	InbvGetDisplayState (VOID)
BOOLEAN NTAPI	InbvDisplayString (IN PCHAR String)
BOOLEAN NTAPI	InbvEnableDisplayString (IN BOOLEAN Enable)
VOID NTAPI	InbvInstallDisplayStringFilter (IN INBV_DISPLAY_STRING_FILTER Filter)
BOOLEAN NTAPI	InbvIsBootDriverInstalled (VOID)
VOID NTAPI	InbvNotifyDisplayOwnershipLost (IN INBV_RESET_DISPLAY_PARAMETERS Callback)
BOOLEAN NTAPI	InbvResetDisplay (VOID)
VOID NTAPI	InbvSetScrollRegion (IN ULONG Left, IN ULONG Top, IN ULONG Right, IN ULONG Bottom)
VOID NTAPI	InbvSetTextColor (IN ULONG Color)
VOID NTAPI	InbvSolidColorFill (IN ULONG Left, IN ULONG Top, IN ULONG Right, IN ULONG Bottom, IN ULONG Color)
VOID NTAPI INIT_FUNCTION	InbvUpdateProgressBar (IN ULONG Progress)
VOID NTAPI	InbvBufferToScreenBlt (IN PUCHAR Buffer, IN ULONG X, IN ULONG Y, IN ULONG Width, IN ULONG Height, IN ULONG Delta)
VOID NTAPI	InbvBitBlt (IN PUCHAR Buffer, IN ULONG X, IN ULONG Y)
VOID NTAPI	InbvScreenToBufferBlt (IN PUCHAR Buffer, IN ULONG X, IN ULONG Y, IN ULONG Width, IN ULONG Height, IN ULONG Delta)
VOID NTAPI	InbvSetProgressBarCoordinates (IN ULONG Left, IN ULONG Top)
VOID NTAPI	InbvSetProgressBarSubset (IN ULONG Floor, IN ULONG Ceiling)
VOID NTAPI INIT_FUNCTION	InbvIndicateProgress (VOID)
PUCHAR NTAPI	InbvGetResourceAddress (IN ULONG ResourceNumber)
NTSTATUS NTAPI	NtDisplayString (IN PUNICODE_STRING DisplayString)
static VOID NTAPI	InbvRotationThread (_In_ PVOID Context)
VOID NTAPI INIT_FUNCTION	InbvRotBarInit (VOID)
VOID NTAPI INIT_FUNCTION	DisplayBootBitmap (IN BOOLEAN TextMode)
VOID NTAPI INIT_FUNCTION	DisplayFilter (PCHAR *String)
VOID NTAPI INIT_FUNCTION	FinalizeBootLogo (VOID)

Variables
static KSPIN_LOCK	BootDriverLock
static KIRQL	InbvOldIrql
static INBV_DISPLAY_STATE	InbvDisplayState = INBV_DISPLAY_STATE_DISABLED
BOOLEAN	InbvBootDriverInstalled = FALSE
static BOOLEAN	InbvDisplayDebugStrings = FALSE
static INBV_DISPLAY_STRING_FILTER	InbvDisplayFilter = NULL
static ULONG	ProgressBarLeft = 0
static ULONG	ProgressBarTop = 0
static BOOLEAN	ShowProgressBar = FALSE
static INBV_PROGRESS_STATE	InbvProgressState
static BT_PROGRESS_INDICATOR	InbvProgressIndicator = {0, 25, 0}
static INBV_RESET_DISPLAY_PARAMETERS	InbvResetDisplayParameters = NULL
static ULONG	ResourceCount = 0
static PUCHAR	ResourceList [1+IDB_MAX_RESOURCE]
static BOOLEAN	RotBarThreadActive = FALSE
static ROT_BAR_TYPE	RotBarSelection = RB_UNSPECIFIED
static ROT_BAR_STATUS	PltRotBarStatus = 0
static UCHAR	RotBarBuffer [24 *9]
static UCHAR	RotLineBuffer [640 *6]
static ULONG	InbvTerminalTextColor = 37
static ULONG	InbvTerminalBkgdColor = 40
static RGBQUAD	MainPalette [16]

Macro Definition Documentation

INBV_ROTBAR_IMPLEMENTED

#define INBV_ROTBAR_IMPLEMENTED

Definition at line 30 of file inbv.c.

NDEBUG

#define NDEBUG

Definition at line 4 of file inbv.c.

PALETTE_FADE_STEPS

#define PALETTE_FADE_STEPS   15

Definition at line 127 of file inbv.c.

Referenced by BootLogoFadeIn().

PALETTE_FADE_TIME

#define PALETTE_FADE_TIME   (20 * 1000) /* 20 ms */

Definition at line 128 of file inbv.c.

Referenced by BootLogoFadeIn().

ROT_BAR_DEFAULT_MODE

#define ROT_BAR_DEFAULT_MODE   RB_PROGRESS_BAR

Definition at line 50 of file inbv.c.

Referenced by DisplayBootBitmap().

Typedef Documentation

BITMAPINFOHEADER

typedef struct tagBITMAPINFOHEADER BITMAPINFOHEADER

From bootvid/precomp.h

LPRGBQUAD

typedef struct tagRGBQUAD* LPRGBQUAD

PBITMAPINFOHEADER

typedef struct tagBITMAPINFOHEADER * PBITMAPINFOHEADER

RGBQUAD

typedef struct tagRGBQUAD RGBQUAD

From include/psdk/wingdi.h

Examples:

/srv/doxygen/reactos/win32ss/gdi/gdi32/objects/utils.c.

ROT_BAR_STATUS

typedef enum _ROT_BAR_STATUS ROT_BAR_STATUS

Enumeration Type Documentation

_ROT_BAR_STATUS

enum _ROT_BAR_STATUS

Enumerator
RBS_FADEIN
RBS_ANIMATE
RBS_STOP_ANIMATE
RBS_STATUS_MAX

Definition at line 59 of file inbv.c.

{
    RBS_FADEIN = 1,
    RBS_ANIMATE,
    RBS_STOP_ANIMATE,
    RBS_STATUS_MAX
} ROT_BAR_STATUS;

Function Documentation

BootLogoFadeIn()

static VOID BootLogoFadeIn ( VOID  )

static

Definition at line 157 of file inbv.c.

Referenced by DisplayBootBitmap().

{
    UCHAR PaletteBitmapBuffer[sizeof(BITMAPINFOHEADER) + sizeof(MainPalette)];
    PBITMAPINFOHEADER PaletteBitmap = (PBITMAPINFOHEADER)PaletteBitmapBuffer;
    LPRGBQUAD Palette = (LPRGBQUAD)(PaletteBitmapBuffer + sizeof(BITMAPINFOHEADER));
    ULONG Iteration, Index, ClrUsed;

    LARGE_INTEGER Delay;
    Delay.QuadPart = - (PALETTE_FADE_TIME * 10);

    /* Check if we are installed and we own the display */
    if (!InbvBootDriverInstalled ||
        (InbvDisplayState != INBV_DISPLAY_STATE_OWNED))
    {
        return;
    }

    /*
     * Build a bitmap containing the fade-in palette. The palette entries
     * are then processed in a loop and set using VidBitBlt function.
     */
    ClrUsed = RTL_NUMBER_OF(MainPalette);
    RtlZeroMemory(PaletteBitmap, sizeof(BITMAPINFOHEADER));
    PaletteBitmap->biSize = sizeof(BITMAPINFOHEADER);
    PaletteBitmap->biBitCount = 4;
    PaletteBitmap->biClrUsed = ClrUsed;

    /*
     * Main animation loop.
     */
    for (Iteration = 0; Iteration <= PALETTE_FADE_STEPS; ++Iteration)
    {
        for (Index = 0; Index < ClrUsed; Index++)
        {
            Palette[Index].rgbRed = (UCHAR)
                (MainPalette[Index].rgbRed * Iteration / PALETTE_FADE_STEPS);
            Palette[Index].rgbGreen = (UCHAR)
                (MainPalette[Index].rgbGreen * Iteration / PALETTE_FADE_STEPS);
            Palette[Index].rgbBlue = (UCHAR)
                (MainPalette[Index].rgbBlue * Iteration / PALETTE_FADE_STEPS);
        }

        /* Do the animation */
        InbvAcquireLock();
        VidBitBlt(PaletteBitmapBuffer, 0, 0);
        InbvReleaseLock();

        /* Wait for a bit */
        KeDelayExecutionThread(KernelMode, FALSE, &Delay);
    }
}

DisplayBootBitmap()

VOID NTAPI INIT_FUNCTION DisplayBootBitmap

(

IN BOOLEAN

TextMode

)

Definition at line 891 of file inbv.c.

Referenced by DisplayFilter(), and Phase1InitializationDiscard().

{
    PVOID Header = NULL, Footer = NULL, Screen = NULL;

#ifdef INBV_ROTBAR_IMPLEMENTED
    UCHAR Buffer[24 * 9];
    PVOID Bar = NULL, LineBmp = NULL;
    ROT_BAR_TYPE TempRotBarSelection = RB_UNSPECIFIED;
    NTSTATUS Status;
    HANDLE ThreadHandle = NULL;
#endif

#ifdef REACTOS_SKUS
    PVOID Text = NULL;
#endif

#ifdef INBV_ROTBAR_IMPLEMENTED
    /* Check if the animation thread has already been created */
    if (RotBarThreadActive)
    {
        /* Yes, just reset the progress bar but keep the thread alive */
        InbvAcquireLock();
        RotBarSelection = RB_UNSPECIFIED;
        InbvReleaseLock();
    }
#endif

    ShowProgressBar = FALSE;

    /* Check if this is text mode */
    if (TextMode)
    {
        /* Check the type of the OS: workstation or server */
        if (SharedUserData->NtProductType == NtProductWinNt)
        {
            /* Workstation; set colors */
            InbvSetTextColor(15);
            InbvSolidColorFill(0, 0, 639, 479, 7);
            InbvSolidColorFill(0, 421, 639, 479, 1);

            /* Get resources */
            Header = InbvGetResourceAddress(IDB_WKSTA_HEADER);
            Footer = InbvGetResourceAddress(IDB_WKSTA_FOOTER);
        }
        else
        {
            /* Server; set colors */
            InbvSetTextColor(14);
            InbvSolidColorFill(0, 0, 639, 479, 6);
            InbvSolidColorFill(0, 421, 639, 479, 1);

            /* Get resources */
            Header = InbvGetResourceAddress(IDB_SERVER_HEADER);
            Footer = InbvGetResourceAddress(IDB_SERVER_FOOTER);
        }

        /* Set the scrolling region */
        InbvSetScrollRegion(32, 80, 631, 400);

        /* Make sure we have resources */
        if (Header && Footer)
        {
            /* BitBlt them on the screen */
            InbvBitBlt(Footer, 0, 419);
            InbvBitBlt(Header, 0, 0);
        }
    }
    else
    {
        /* Is the boot driver installed? */
        if (!InbvBootDriverInstalled) return;

        /* Load the standard boot screen */
        Screen = InbvGetResourceAddress(IDB_BOOT_SCREEN);

#ifdef REACTOS_SKUS
        Text = NULL;
        if (SharedUserData->NtProductType == NtProductWinNt)
        {
#ifdef INBV_ROTBAR_IMPLEMENTED
            /* Workstation product, use appropriate status bar color */
            Bar = InbvGetResourceAddress(IDB_BAR_WKSTA);
#endif
        }
        else
        {
            /* Display correct branding based on server suite */
            if (ExVerifySuite(StorageServer))
            {
                /* Storage Server Edition */
                Text = InbvGetResourceAddress(IDB_STORAGE_SERVER);
            }
            else if (ExVerifySuite(ComputeServer))
            {
                /* Compute Cluster Edition */
                Text = InbvGetResourceAddress(IDB_CLUSTER_SERVER);
            }
            else
            {
                /* Normal edition */
                Text = InbvGetResourceAddress(IDB_SERVER_LOGO);
            }

#ifdef INBV_ROTBAR_IMPLEMENTED
            /* Server product, use appropriate status bar color */
            Bar = InbvGetResourceAddress(IDB_BAR_SERVER);
#endif
        }
#else
        /* Use default status bar */
        Bar = InbvGetResourceAddress(IDB_BAR_WKSTA);
#endif

        /* Make sure we have a logo */
        if (Screen)
        {
            PBITMAPINFOHEADER BitmapInfoHeader;
            LPRGBQUAD Palette;

            /*
             * Save the main image palette and replace it with black palette,
             * so that we can do fade-in effect later.
             */
            BitmapInfoHeader = (PBITMAPINFOHEADER)Screen;
            Palette = (LPRGBQUAD)((PUCHAR)Screen + BitmapInfoHeader->biSize);
            RtlCopyMemory(MainPalette, Palette, sizeof(MainPalette));
            RtlZeroMemory(Palette, sizeof(MainPalette));

            /* Blit the background */
            InbvBitBlt(Screen, 0, 0);

#ifdef INBV_ROTBAR_IMPLEMENTED
            /* Choose progress bar */
            TempRotBarSelection = ROT_BAR_DEFAULT_MODE;
#endif

            /* Set progress bar coordinates and display it */
            InbvSetProgressBarCoordinates(259, 352);

#ifdef REACTOS_SKUS
            /* Check for non-workstation products */
            if (SharedUserData->NtProductType != NtProductWinNt)
            {
                /* Overwrite part of the logo for a server product */
                InbvScreenToBufferBlt(Buffer, 413, 237, 7, 7, 8);
                InbvSolidColorFill(418, 230, 454, 256, 0);
                InbvBufferToScreenBlt(Buffer, 413, 237, 7, 7, 8);

                /* In setup mode, you haven't selected a SKU yet */
                if (ExpInTextModeSetup) Text = NULL;
            }
#endif
        }

#ifdef REACTOS_SKUS
        /* Draw the SKU text if it exits */
        if (Text) InbvBitBlt(Text, 180, 121);
#endif

#ifdef INBV_ROTBAR_IMPLEMENTED
        if (Bar)
        {
            /* Save previous screen pixels to buffer */
            InbvScreenToBufferBlt(Buffer, 0, 0, 22, 9, 24);
            /* Draw the progress bar bit */
            InbvBitBlt(Bar, 0, 0);
            /* Store it in global buffer */
            InbvScreenToBufferBlt(RotBarBuffer, 0, 0, 22, 9, 24);
            /* Restore screen pixels */
            InbvBufferToScreenBlt(Buffer, 0, 0, 22, 9, 24);
        }

        /*
         * Add a rotating bottom horizontal bar when using a progress bar,
         * to show that ReactOS can be still alive when the bar does not
         * appear to progress.
         */
        if (TempRotBarSelection == RB_PROGRESS_BAR)
        {
            LineBmp = InbvGetResourceAddress(IDB_ROTATING_LINE);
            if (LineBmp)
            {
                /* Draw the line and store it in global buffer */
                InbvBitBlt(LineBmp, 0, 474);
                InbvScreenToBufferBlt(RotLineBuffer, 0, 474, 640, 6, 640);
            }
        }
        else
        {
            /* Hide the simple progress bar if not used */
            ShowProgressBar = FALSE;
        }
#endif

        /* Display the boot logo and fade it in */
        BootLogoFadeIn();

#ifdef INBV_ROTBAR_IMPLEMENTED
        if (!RotBarThreadActive && TempRotBarSelection != RB_UNSPECIFIED)
        {
            /* Start the animation thread */
            Status = PsCreateSystemThread(&ThreadHandle,
                                          0,
                                          NULL,
                                          NULL,
                                          NULL,
                                          InbvRotationThread,
                                          NULL);
            if (NT_SUCCESS(Status))
            {
                /* The thread has started, close the handle as we don't need it */
                RotBarThreadActive = TRUE;
                ObCloseHandle(ThreadHandle, KernelMode);
            }
        }
#endif

        /* Set filter which will draw text display if needed */
        InbvInstallDisplayStringFilter(DisplayFilter);
    }

#ifdef INBV_ROTBAR_IMPLEMENTED
    /* Do we have the animation thread? */
    if (RotBarThreadActive)
    {
        /* We do, initialize the progress bar */
        InbvAcquireLock();
        RotBarSelection = TempRotBarSelection;
        InbvRotBarInit();
        InbvReleaseLock();

        // FIXME: This was added to allow animation start before the processor hangs
        if (TempRotBarSelection != RB_UNSPECIFIED)
        {
            LARGE_INTEGER Delay;
            Delay.QuadPart = -3000000; // 300 ms
            KeDelayExecutionThread(KernelMode, FALSE, &Delay);
        }
    }
#endif
}

DisplayFilter()

VOID NTAPI INIT_FUNCTION DisplayFilter

(

PCHAR *

String

)

Definition at line 1136 of file inbv.c.

Referenced by DisplayBootBitmap().

{
    /* Windows hack to skip first dots */
    static BOOLEAN DotHack = TRUE;

    /* If "." is given set *String to empty string */
    if(DotHack && strcmp(*String, ".") == 0)
        *String = "";

    if(**String)
    {
        /* Remove the filter */
        InbvInstallDisplayStringFilter(NULL);

        DotHack = FALSE;

        /* Draw text screen */
        DisplayBootBitmap(TRUE);
    }
}

FinalizeBootLogo()

VOID NTAPI INIT_FUNCTION FinalizeBootLogo

(

VOID

)

Definition at line 1160 of file inbv.c.

Referenced by Phase1InitializationDiscard().

{
    /* Acquire lock and check the display state */
    InbvAcquireLock();
    if (InbvGetDisplayState() == INBV_DISPLAY_STATE_OWNED)
    {
        /* Clear the screen */
        VidSolidColorFill(0, 0, 639, 479, 0);
    }

    /* Reset progress bar and lock */
#ifdef INBV_ROTBAR_IMPLEMENTED
    PltRotBarStatus = RBS_STOP_ANIMATE;
    RotBarThreadActive = FALSE;
#endif
    InbvReleaseLock();
}

FindBitmapResource()

PVOID NTAPI INIT_FUNCTION FindBitmapResource	(	IN PLOADER_PARAMETER_BLOCK	LoaderBlock,
		IN ULONG	ResourceId
	)

Definition at line 214 of file inbv.c.

Referenced by InbvDriverInitialize().

{
    UNICODE_STRING UpString = RTL_CONSTANT_STRING(L"ntoskrnl.exe");
    UNICODE_STRING MpString = RTL_CONSTANT_STRING(L"ntkrnlmp.exe");
    PLIST_ENTRY NextEntry, ListHead;
    PLDR_DATA_TABLE_ENTRY LdrEntry;
    PIMAGE_RESOURCE_DATA_ENTRY ResourceDataEntry;
    LDR_RESOURCE_INFO ResourceInfo;
    NTSTATUS Status;
    PVOID Data = NULL;

    /* Loop the driver list */
    ListHead = &LoaderBlock->LoadOrderListHead;
    NextEntry = ListHead->Flink;
    while (NextEntry != ListHead)
    {
        /* Get the entry */
        LdrEntry = CONTAINING_RECORD(NextEntry,
                                     LDR_DATA_TABLE_ENTRY,
                                     InLoadOrderLinks);

        /* Check for a match */
        if (RtlEqualUnicodeString(&LdrEntry->BaseDllName, &UpString, TRUE) ||
            RtlEqualUnicodeString(&LdrEntry->BaseDllName, &MpString, TRUE))
        {
            /* Break out */
            break;
        }
    }

    /* Check if we found it */
    if (NextEntry != ListHead)
    {
        /* Try to find the resource */
        ResourceInfo.Type = 2; // RT_BITMAP;
        ResourceInfo.Name = ResourceId;
        ResourceInfo.Language = 0;
        Status = LdrFindResource_U(LdrEntry->DllBase,
                                   &ResourceInfo,
                                   RESOURCE_DATA_LEVEL,
                                   &ResourceDataEntry);
        if (NT_SUCCESS(Status))
        {
            /* Access the resource */
            ULONG Size = 0;
            Status = LdrAccessResource(LdrEntry->DllBase,
                                       ResourceDataEntry,
                                       &Data,
                                       &Size);
            if ((Data) && (ResourceId < 3))
            {
                KiBugCheckData[4] ^= RtlComputeCrc32(0, Data, Size);
            }
            if (!NT_SUCCESS(Status)) Data = NULL;
        }
    }

    /* Return the pointer */
    return Data;
}

InbvAcquireDisplayOwnership()

VOID NTAPI InbvAcquireDisplayOwnership

(

VOID

)

Definition at line 390 of file inbv.c.

Referenced by HalHandleNMI(), HalReturnToFirmware(), KdbpInternalEnter(), KdpScreenInit(), KiDisplayBlueScreen(), and PopShutdownHandler().

{
    /* Check if we have a callback and we're just acquiring it now */
    if ((InbvResetDisplayParameters) &&
        (InbvDisplayState == INBV_DISPLAY_STATE_LOST))
    {
        /* Call the callback */
        InbvResetDisplayParameters(80, 50);
    }

    /* Acquire the display */
    InbvDisplayState = INBV_DISPLAY_STATE_OWNED;
}

InbvAcquireLock()

VOID NTAPI InbvAcquireLock

(

VOID

)

Definition at line 320 of file inbv.c.

Referenced by BootLogoFadeIn(), DisplayBootBitmap(), FinalizeBootLogo(), InbvBitBlt(), InbvDisplayString(), InbvEnableBootDriver(), InbvNotifyDisplayOwnershipLost(), InbvRotationThread(), InbvSolidColorFill(), and InbvUpdateProgressBar().

{
    KIRQL OldIrql;

    /* Check if we're at dispatch level or lower */
    OldIrql = KeGetCurrentIrql();
    if (OldIrql <= DISPATCH_LEVEL)
    {
        /* Loop until the lock is free */
        while (!KeTestSpinLock(&BootDriverLock));

        /* Raise IRQL to dispatch level */
        KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
    }

    /* Acquire the lock */
    KiAcquireSpinLock(&BootDriverLock);
    InbvOldIrql = OldIrql;
}

InbvBitBlt()

VOID NTAPI InbvBitBlt	(	IN PUCHAR	Buffer,
		IN ULONG	X,
		IN ULONG	Y
	)

Definition at line 672 of file inbv.c.

Referenced by DisplayBootBitmap(), and PopShutdownHandler().

{
    /* Check if we're installed and we own it */
    if (InbvBootDriverInstalled &&
        (InbvDisplayState == INBV_DISPLAY_STATE_OWNED))
    {
        /* Acquire the lock */
        InbvAcquireLock();

        /* Do the blit */
        VidBitBlt(Buffer, X, Y);

        /* Release the lock */
        InbvReleaseLock();
    }
}

InbvBufferToScreenBlt()

VOID NTAPI InbvBufferToScreenBlt	(	IN PUCHAR	Buffer,
		IN ULONG	X,
		IN ULONG	Y,
		IN ULONG	Width,
		IN ULONG	Height,
		IN ULONG	Delta
	)

Definition at line 654 of file inbv.c.

Referenced by DisplayBootBitmap().

{
    /* Check if we're installed and we own it */
    if (InbvBootDriverInstalled &&
        (InbvDisplayState == INBV_DISPLAY_STATE_OWNED))
    {
        /* Do the blit */
        VidBufferToScreenBlt(Buffer, X, Y, Width, Height, Delta);
    }
}

InbvCheckDisplayOwnership()

BOOLEAN NTAPI InbvCheckDisplayOwnership

(

VOID

)

Definition at line 415 of file inbv.c.

Referenced by KdbpInternalEnter(), PopShutdownHandler(), ScrCreate(), ScrIoControl(), and ScrWrite().

{
    /* Return if we own it or not */
    return InbvDisplayState != INBV_DISPLAY_STATE_LOST;
}

InbvDisplayString()

BOOLEAN NTAPI InbvDisplayString

(

IN PCHAR

String

)

Definition at line 431 of file inbv.c.

Referenced by HalDisplayString(), HalHandleNMI(), KeBugCheckWithTf(), KeGetBugMessageText(), KiDisplayBlueScreen(), KiDumpParameterImages(), NtDisplayString(), Phase1InitializationDiscard(), and PopShutdownHandler().

{
    /* Make sure we own the display */
    if (InbvDisplayState == INBV_DISPLAY_STATE_OWNED)
    {
        /* If we're not allowed, return success anyway */
        if (!InbvDisplayDebugStrings) return TRUE;

        /* Check if a filter is installed */
        if (InbvDisplayFilter) InbvDisplayFilter(&String);

        /* Acquire the lock */
        InbvAcquireLock();

        /* Make sure we're installed and display the string */
        if (InbvBootDriverInstalled) VidDisplayString((PUCHAR)String);

        /* Print the string on the EMS port */
        HeadlessDispatch(HeadlessCmdPutString,
                         String,
                         strlen(String) + sizeof(ANSI_NULL),
                         NULL,
                         NULL);

        /* Release the lock */
        InbvReleaseLock();

        /* All done */
        return TRUE;
    }

    /* We don't own it, fail */
    return FALSE;
}

InbvDriverInitialize()

BOOLEAN NTAPI INIT_FUNCTION InbvDriverInitialize	(	IN PLOADER_PARAMETER_BLOCK	LoaderBlock,
		IN ULONG	Count
	)

Definition at line 279 of file inbv.c.

Referenced by Phase1InitializationDiscard().

{
    PCHAR CommandLine;
    BOOLEAN ResetMode = FALSE; // By default do not reset the video mode
    ULONG i;

    /* Quit if we're already installed */
    if (InbvBootDriverInstalled) return TRUE;

    /* Initialize the lock and check the current display state */
    KeInitializeSpinLock(&BootDriverLock);
    if (InbvDisplayState == INBV_DISPLAY_STATE_OWNED)
    {
        /* Reset the video mode in case we do not have a custom boot logo */
        CommandLine = (LoaderBlock->LoadOptions ? _strupr(LoaderBlock->LoadOptions) : NULL);
        ResetMode   = (CommandLine == NULL) || (strstr(CommandLine, "BOOTLOGO") == NULL);
    }

    /* Initialize the video */
    InbvBootDriverInstalled = VidInitialize(ResetMode);
    if (InbvBootDriverInstalled)
    {
        /* Find bitmap resources in the kernel */
        ResourceCount = min(Count, RTL_NUMBER_OF(ResourceList) - 1);
        for (i = 1; i <= ResourceCount; i++)
        {
            /* Do the lookup */
            ResourceList[i] = FindBitmapResource(LoaderBlock, i);
        }

        /* Set the progress bar ranges */
        InbvSetProgressBarSubset(0, 100);
    }

    /* Return install state */
    return InbvBootDriverInstalled;
}

InbvEnableBootDriver()

VOID NTAPI INIT_FUNCTION InbvEnableBootDriver

(

IN BOOLEAN

Enable

)

Definition at line 359 of file inbv.c.

Referenced by Phase1InitializationDiscard().

{
    /* Check if we're installed */
    if (InbvBootDriverInstalled)
    {
        /* Check for lost state */
        if (InbvDisplayState >= INBV_DISPLAY_STATE_LOST) return;

        /* Acquire the lock */
        InbvAcquireLock();

        /* Cleanup the screen if we own it */
        if (InbvDisplayState == INBV_DISPLAY_STATE_OWNED) VidCleanUp();

        /* Set the new display state */
        InbvDisplayState = Enable ? INBV_DISPLAY_STATE_OWNED :
                                    INBV_DISPLAY_STATE_DISABLED;

        /* Release the lock */
        InbvReleaseLock();
    }
    else
    {
        /* Set the new display state */
        InbvDisplayState = Enable ? INBV_DISPLAY_STATE_OWNED :
                                    INBV_DISPLAY_STATE_DISABLED;
    }
}

InbvEnableDisplayString()

BOOLEAN NTAPI InbvEnableDisplayString

(

IN BOOLEAN

Enable

)

Definition at line 468 of file inbv.c.

Referenced by HalHandleNMI(), KdbpInternalEnter(), KdpScreenInit(), KiDisplayBlueScreen(), Phase1InitializationDiscard(), and PopShutdownHandler().

{
    BOOLEAN OldSetting;

    /* Get the old setting */
    OldSetting = InbvDisplayDebugStrings;

    /* Update it */
    InbvDisplayDebugStrings = Enable;

    /* Return the old setting */
    return OldSetting;
}

InbvGetDisplayState()

INBV_DISPLAY_STATE NTAPI InbvGetDisplayState

(

VOID

)

Definition at line 423 of file inbv.c.

Referenced by FinalizeBootLogo().

{
    /* Return the actual state */
    return InbvDisplayState;
}

InbvGetResourceAddress()

PUCHAR NTAPI InbvGetResourceAddress

(

IN ULONG

ResourceNumber

)

Definition at line 761 of file inbv.c.

Referenced by DisplayBootBitmap(), and PopShutdownHandler().

{
    /* Validate the resource number */
    if (ResourceNumber > ResourceCount) return NULL;

    /* Return the address */
    return ResourceList[ResourceNumber];
}

InbvIndicateProgress()

VOID NTAPI INIT_FUNCTION InbvIndicateProgress

(

VOID

)

Definition at line 740 of file inbv.c.

Referenced by IopInitializeBuiltinDriver(), and IopInitializeSystemDrivers().

{
    ULONG Percentage;

    /* Increase progress */
    InbvProgressIndicator.Count++;

    /* Compute new percentage */
    Percentage = min(100 * InbvProgressIndicator.Count /
                           InbvProgressIndicator.Expected,
                     99);
    if (Percentage != InbvProgressIndicator.Percentage)
    {
        /* Percentage has moved, update the progress bar */
        InbvProgressIndicator.Percentage = Percentage;
        InbvUpdateProgressBar(Percentage);
    }
}

InbvInstallDisplayStringFilter()

VOID NTAPI InbvInstallDisplayStringFilter

(

IN INBV_DISPLAY_STRING_FILTER

Filter

)

Definition at line 484 of file inbv.c.

Referenced by DisplayBootBitmap(), DisplayFilter(), HalHandleNMI(), KdbpInternalEnter(), KdpScreenInit(), and KiDisplayBlueScreen().

{
    /* Save the filter */
    InbvDisplayFilter = Filter;
}

InbvIsBootDriverInstalled()

BOOLEAN NTAPI InbvIsBootDriverInstalled

(

VOID

)

Definition at line 492 of file inbv.c.

Referenced by HalHandleNMI(), KdbpInternalEnter(), KiDisplayBlueScreen(), and PopShutdownHandler().

{
    /* Return driver state */
    return InbvBootDriverInstalled;
}

InbvNotifyDisplayOwnershipLost()

VOID NTAPI InbvNotifyDisplayOwnershipLost

(

IN INBV_RESET_DISPLAY_PARAMETERS

Callback

)

Definition at line 500 of file inbv.c.

Referenced by IntVideoPortDispatchClose(), IntVideoPortDispatchWrite(), and Phase1InitializationDiscard().

{
    /* Check if we're installed */
    if (InbvBootDriverInstalled)
    {
        /* Acquire the lock and cleanup if we own the screen */
        InbvAcquireLock();
        if (InbvDisplayState != INBV_DISPLAY_STATE_LOST) VidCleanUp();

        /* Set the reset callback and display state */
        InbvResetDisplayParameters = Callback;
        InbvDisplayState = INBV_DISPLAY_STATE_LOST;

        /* Release the lock */
        InbvReleaseLock();
    }
    else
    {
        /* Set the reset callback and display state */
        InbvResetDisplayParameters = Callback;
        InbvDisplayState = INBV_DISPLAY_STATE_LOST;
    }
}

InbvReleaseLock()

VOID NTAPI InbvReleaseLock

(

VOID

)

Definition at line 342 of file inbv.c.

Referenced by BootLogoFadeIn(), DisplayBootBitmap(), FinalizeBootLogo(), InbvBitBlt(), InbvDisplayString(), InbvEnableBootDriver(), InbvNotifyDisplayOwnershipLost(), InbvRotationThread(), InbvSolidColorFill(), and InbvUpdateProgressBar().

{
    KIRQL OldIrql;

    /* Capture the old IRQL */
    OldIrql = InbvOldIrql;

    /* Release the driver lock */
    KiReleaseSpinLock(&BootDriverLock);

    /* If we were at dispatch level or lower, restore the old IRQL */
    if (InbvOldIrql <= DISPATCH_LEVEL) KeLowerIrql(OldIrql);
}

InbvResetDisplay()

BOOLEAN NTAPI InbvResetDisplay

(

VOID

)

Definition at line 526 of file inbv.c.

Referenced by HalHandleNMI(), KdbpInternalEnter(), KdpScreenInit(), KiDisplayBlueScreen(), and PopShutdownHandler().

{
    /* Check if we're installed and we own it */
    if (InbvBootDriverInstalled &&
        (InbvDisplayState == INBV_DISPLAY_STATE_OWNED))
    {
        /* Do the reset */
        VidResetDisplay(TRUE);
        return TRUE;
    }

    /* Nothing to reset */
    return FALSE;
}

InbvRotationThread()

static VOID NTAPI InbvRotationThread ( _In_ PVOID  Context )

static

Definition at line 789 of file inbv.c.

Referenced by DisplayBootBitmap().

{
    ULONG X, Y, Index, Total;
    LARGE_INTEGER Delay = {{0}};

    InbvAcquireLock();
    if (RotBarSelection == RB_SQUARE_CELLS)
    {
        Index = 0;
    }
    else
    {
        Index = 32;
    }
    X = ProgressBarLeft + 2;
    Y = ProgressBarTop + 2;
    InbvReleaseLock();

    while (InbvDisplayState == INBV_DISPLAY_STATE_OWNED)
    {
        /* Wait for a bit */
        KeDelayExecutionThread(KernelMode, FALSE, &Delay);

        InbvAcquireLock();

        /* Unknown unexpected command */
        ASSERT(PltRotBarStatus < RBS_STATUS_MAX);

        if (PltRotBarStatus == RBS_STOP_ANIMATE)
        {
            /* Stop the thread */
            InbvReleaseLock();
            break;
        }

        if (RotBarSelection == RB_SQUARE_CELLS)
        {
            Delay.QuadPart = -800000; // 80 ms
            Total = 18;
            Index %= Total;

            if (Index >= 3)
            {
                /* Fill previous bar position */
                VidSolidColorFill(X + ((Index - 3) * 8), Y, (X + ((Index - 3) * 8)) + 8 - 1, Y + 9 - 1, 0);
            }
            if (Index < Total - 1)
            {
                /* Draw the progress bar bit */
                if (Index < 2)
                {
                    /* Appearing from the left */
                    VidBufferToScreenBlt(RotBarBuffer + 8 * (2 - Index) / 2, X, Y, 22 - 8 * (2 - Index), 9, 24);
                }
                else if (Index >= Total - 3)
                {
                    /* Hiding to the right */
                    VidBufferToScreenBlt(RotBarBuffer, X + ((Index - 2) * 8), Y, 22 - 8 * (4 - (Total - Index)), 9, 24);
                }
                else
                {
                    VidBufferToScreenBlt(RotBarBuffer, X + ((Index - 2) * 8), Y, 22, 9, 24);
                }
            }
            Index++;
        }
        else if (RotBarSelection == RB_PROGRESS_BAR)
        {
            Delay.QuadPart = -600000; // 60 ms
            Total = 640;
            Index %= Total;

            /* Right part */
            VidBufferToScreenBlt(RotLineBuffer, Index, 474, 640 - Index, 6, 640);
            if (Index > 0)
            {
                /* Left part */
                VidBufferToScreenBlt(RotLineBuffer + (640 - Index) / 2, 0, 474, Index - 2, 6, 640);
            }
            Index += 32;
        }

        InbvReleaseLock();
    }

    PsTerminateSystemThread(STATUS_SUCCESS);
}

InbvRotBarInit()

VOID NTAPI INIT_FUNCTION InbvRotBarInit

(

VOID

)

Definition at line 881 of file inbv.c.

Referenced by DisplayBootBitmap().

{
    PltRotBarStatus = RBS_FADEIN;
    /* Perform other initialization if needed */
}

InbvScreenToBufferBlt()

VOID NTAPI InbvScreenToBufferBlt	(	IN PUCHAR	Buffer,
		IN ULONG	X,
		IN ULONG	Y,
		IN ULONG	Width,
		IN ULONG	Height,
		IN ULONG	Delta
	)

Definition at line 693 of file inbv.c.

Referenced by DisplayBootBitmap().

{
    /* Check if we're installed and we own it */
    if (InbvBootDriverInstalled &&
        (InbvDisplayState == INBV_DISPLAY_STATE_OWNED))
    {
        /* Do the blit */
        VidScreenToBufferBlt(Buffer, X, Y, Width, Height, Delta);
    }
}

InbvSetDisplayOwnership()

VOID NTAPI InbvSetDisplayOwnership

(

IN BOOLEAN

DisplayOwned

)

Definition at line 406 of file inbv.c.

{
    /* Set the new display state */
    InbvDisplayState = DisplayOwned ? INBV_DISPLAY_STATE_OWNED :
                                      INBV_DISPLAY_STATE_LOST;
}

InbvSetProgressBarCoordinates()

VOID NTAPI InbvSetProgressBarCoordinates	(	IN ULONG	Left,
		IN ULONG	Top
	)

Definition at line 711 of file inbv.c.

Referenced by DisplayBootBitmap().

{
    /* Update the coordinates */
    ProgressBarLeft = Left;
    ProgressBarTop  = Top;

    /* Enable the progress bar */
    ShowProgressBar = TRUE;
}

InbvSetProgressBarSubset()

VOID NTAPI InbvSetProgressBarSubset	(	IN ULONG	Floor,
		IN ULONG	Ceiling
	)

Definition at line 724 of file inbv.c.

Referenced by InbvDriverInitialize(), and Phase1InitializationDiscard().

{
    /* Sanity checks */
    ASSERT(Floor < Ceiling);
    ASSERT(Ceiling <= 100);

    /* Update the progress bar state */
    InbvProgressState.Floor = Floor * 100;
    InbvProgressState.Ceiling = Ceiling * 100;
    InbvProgressState.Bias = (Ceiling * 100) - Floor;
}

InbvSetScrollRegion()

VOID NTAPI InbvSetScrollRegion	(	IN ULONG	Left,
		IN ULONG	Top,
		IN ULONG	Right,
		IN ULONG	Bottom
	)

Definition at line 543 of file inbv.c.

Referenced by DisplayBootBitmap(), HalHandleNMI(), KdbpInternalEnter(), KdpScreenInit(), KiDisplayBlueScreen(), and PopShutdownHandler().

{
    /* Just call bootvid */
    VidSetScrollRegion(Left, Top, Right, Bottom);
}

InbvSetTextColor()

VOID NTAPI InbvSetTextColor

(

IN ULONG

Color

)

Definition at line 554 of file inbv.c.

Referenced by DisplayBootBitmap(), HalHandleNMI(), KdbpInternalEnter(), KdpScreenInit(), and KiDisplayBlueScreen().

{
    HEADLESS_CMD_SET_COLOR HeadlessSetColor;

    /* Set color for EMS port */
#ifdef INBV_HEADLESS_COLORS
    InbvTerminalTextColor = 30 + CGA_TO_ANSI_COLOR(Color);
#else
    InbvTerminalTextColor = 37;
#endif
    HeadlessSetColor.TextColor = InbvTerminalTextColor;
    HeadlessSetColor.BkgdColor = InbvTerminalBkgdColor;
    HeadlessDispatch(HeadlessCmdSetColor,
                     &HeadlessSetColor,
                     sizeof(HeadlessSetColor),
                     NULL,
                     NULL);

    /* Update the text color */
    VidSetTextColor(Color);
}

InbvSolidColorFill()

VOID NTAPI InbvSolidColorFill	(	IN ULONG	Left,
		IN ULONG	Top,
		IN ULONG	Right,
		IN ULONG	Bottom,
		IN ULONG	Color
	)

Definition at line 578 of file inbv.c.

Referenced by DisplayBootBitmap(), HalHandleNMI(), KdbpInternalEnter(), KdpScreenInit(), KiDisplayBlueScreen(), and PopShutdownHandler().

{
    HEADLESS_CMD_SET_COLOR HeadlessSetColor;

    /* Make sure we own it */
    if (InbvDisplayState == INBV_DISPLAY_STATE_OWNED)
    {
        /* Acquire the lock */
        InbvAcquireLock();

        /* Check if we're installed */
        if (InbvBootDriverInstalled)
        {
            /* Call bootvid */
            VidSolidColorFill(Left, Top, Right, Bottom, (UCHAR)Color);
        }

        /* Set color for EMS port and clear display */
#ifdef INBV_HEADLESS_COLORS
        InbvTerminalBkgdColor = 40 + CGA_TO_ANSI_COLOR(Color);
#else
        InbvTerminalBkgdColor = 40;
#endif
        HeadlessSetColor.TextColor = InbvTerminalTextColor;
        HeadlessSetColor.BkgdColor = InbvTerminalBkgdColor;
        HeadlessDispatch(HeadlessCmdSetColor,
                         &HeadlessSetColor,
                         sizeof(HeadlessSetColor),
                         NULL,
                         NULL);
        HeadlessDispatch(HeadlessCmdClearDisplay,
                         NULL, 0,
                         NULL, NULL);

        /* Release the lock */
        InbvReleaseLock();
    }
}

InbvUpdateProgressBar()

VOID NTAPI INIT_FUNCTION InbvUpdateProgressBar

(

IN ULONG

Progress

)

Definition at line 624 of file inbv.c.

Referenced by InbvIndicateProgress(), and Phase1InitializationDiscard().

{
    ULONG FillCount, BoundedProgress;

    /* Make sure the progress bar is enabled, that we own and are installed */
    if (ShowProgressBar &&
        InbvBootDriverInstalled &&
        (InbvDisplayState == INBV_DISPLAY_STATE_OWNED))
    {
        /* Compute fill count */
        BoundedProgress = (InbvProgressState.Floor / 100) + Progress;
        FillCount = 121 * (InbvProgressState.Bias * BoundedProgress) / 1000000;

        /* Acquire the lock */
        InbvAcquireLock();

        /* Fill the progress bar */
        VidSolidColorFill(ProgressBarLeft,
                          ProgressBarTop,
                          ProgressBarLeft + FillCount,
                          ProgressBarTop + 12,
                          15);

        /* Release the lock */
        InbvReleaseLock();
    }
}

NtDisplayString()

NTSTATUS NTAPI NtDisplayString

(

IN PUNICODE_STRING

DisplayString

)

Definition at line 772 of file inbv.c.

{
    OEM_STRING OemString;

    /* Convert the string to OEM and display it */
    RtlUnicodeStringToOemString(&OemString, DisplayString, TRUE);
    InbvDisplayString(OemString.Buffer);
    RtlFreeOemString(&OemString);

    /* Return success */
    return STATUS_SUCCESS;
}

Variable Documentation

BootDriverLock

KSPIN_LOCK BootDriverLock

static

Definition at line 32 of file inbv.c.

Referenced by InbvAcquireLock(), InbvDriverInitialize(), and InbvReleaseLock().

InbvBootDriverInstalled

BOOLEAN InbvBootDriverInstalled = FALSE

Definition at line 35 of file inbv.c.

Referenced by BootLogoFadeIn(), DisplayBootBitmap(), InbvBitBlt(), InbvBufferToScreenBlt(), InbvDisplayString(), InbvDriverInitialize(), InbvEnableBootDriver(), InbvIsBootDriverInstalled(), InbvNotifyDisplayOwnershipLost(), InbvResetDisplay(), InbvScreenToBufferBlt(), InbvSolidColorFill(), InbvUpdateProgressBar(), and Phase1InitializationDiscard().

InbvDisplayDebugStrings

BOOLEAN InbvDisplayDebugStrings = FALSE

static

Definition at line 36 of file inbv.c.

Referenced by InbvDisplayString(), and InbvEnableDisplayString().

InbvDisplayFilter

INBV_DISPLAY_STRING_FILTER InbvDisplayFilter = NULL

static

Definition at line 37 of file inbv.c.

Referenced by InbvDisplayString(), and InbvInstallDisplayStringFilter().

InbvDisplayState

INBV_DISPLAY_STATE InbvDisplayState = INBV_DISPLAY_STATE_DISABLED

static

Definition at line 34 of file inbv.c.

Referenced by BootLogoFadeIn(), InbvAcquireDisplayOwnership(), InbvBitBlt(), InbvBufferToScreenBlt(), InbvCheckDisplayOwnership(), InbvDisplayString(), InbvDriverInitialize(), InbvEnableBootDriver(), InbvGetDisplayState(), InbvNotifyDisplayOwnershipLost(), InbvResetDisplay(), InbvRotationThread(), InbvScreenToBufferBlt(), InbvSetDisplayOwnership(), InbvSolidColorFill(), and InbvUpdateProgressBar().

InbvOldIrql

KIRQL InbvOldIrql

static

Definition at line 33 of file inbv.c.

Referenced by InbvAcquireLock(), and InbvReleaseLock().

InbvProgressIndicator

BT_PROGRESS_INDICATOR InbvProgressIndicator = {0, 25, 0}

static

Definition at line 41 of file inbv.c.

InbvProgressState

INBV_PROGRESS_STATE InbvProgressState

static

Definition at line 40 of file inbv.c.

InbvResetDisplayParameters

INBV_RESET_DISPLAY_PARAMETERS InbvResetDisplayParameters = NULL

static

Definition at line 42 of file inbv.c.

Referenced by InbvAcquireDisplayOwnership(), and InbvNotifyDisplayOwnershipLost().

InbvTerminalBkgdColor

ULONG InbvTerminalBkgdColor = 40

static

Definition at line 110 of file inbv.c.

Referenced by InbvSetTextColor(), and InbvSolidColorFill().

InbvTerminalTextColor

ULONG InbvTerminalTextColor = 37

static

Definition at line 109 of file inbv.c.

Referenced by InbvSetTextColor(), and InbvSolidColorFill().

MainPalette

RGBQUAD MainPalette[16]

static

Definition at line 125 of file inbv.c.

PltRotBarStatus

ROT_BAR_STATUS PltRotBarStatus = 0

static

Definition at line 69 of file inbv.c.

Referenced by FinalizeBootLogo(), InbvRotationThread(), and InbvRotBarInit().

ProgressBarLeft

ULONG ProgressBarLeft = 0

static

Definition at line 38 of file inbv.c.

Referenced by InbvRotationThread(), InbvSetProgressBarCoordinates(), and InbvUpdateProgressBar().

ProgressBarTop

ULONG ProgressBarTop = 0

static

Definition at line 38 of file inbv.c.

Referenced by InbvRotationThread(), InbvSetProgressBarCoordinates(), and InbvUpdateProgressBar().

ResourceCount

ULONG ResourceCount = 0

static

Definition at line 43 of file inbv.c.

Referenced by HalpAssignPCISlotResources(), InbvDriverInitialize(), InbvGetResourceAddress(), IntVideoPortPnPStartDevice(), NdisIPnPStartDevice(), PcNewResourceList(), Test_Data(), and Test_Parameters().

ResourceList

PUCHAR ResourceList[1+IDB_MAX_RESOURCE]

static

Definition at line 44 of file inbv.c.

Referenced by InbvDriverInitialize(), and InbvGetResourceAddress().

RotBarBuffer

UCHAR RotBarBuffer[24 *9]

static

Definition at line 70 of file inbv.c.

Referenced by DisplayBootBitmap(), and InbvRotationThread().

RotBarSelection

ROT_BAR_TYPE RotBarSelection = RB_UNSPECIFIED

static

Definition at line 68 of file inbv.c.

Referenced by DisplayBootBitmap(), and InbvRotationThread().

RotBarThreadActive

BOOLEAN RotBarThreadActive = FALSE

static

Definition at line 67 of file inbv.c.

Referenced by DisplayBootBitmap(), and FinalizeBootLogo().

RotLineBuffer

UCHAR RotLineBuffer[640 *6]

static

Definition at line 71 of file inbv.c.

Referenced by DisplayBootBitmap(), and InbvRotationThread().

ShowProgressBar

BOOLEAN ShowProgressBar = FALSE

static

Definition at line 39 of file inbv.c.

Referenced by DisplayBootBitmap(), InbvSetProgressBarCoordinates(), and InbvUpdateProgressBar().