inbv.h File Reference

Go to the source code of this file.

Functions
INIT_FUNCTION BOOLEAN NTAPI	InbvDriverInitialize (IN PLOADER_PARAMETER_BLOCK LoaderBlock, IN ULONG Count)
PUCHAR NTAPI	InbvGetResourceAddress (IN ULONG ResourceNumber)
VOID NTAPI	InbvBitBlt (IN PUCHAR Buffer, IN ULONG X, IN ULONG Y)
INIT_FUNCTION VOID NTAPI	InbvIndicateProgress (VOID)
INIT_FUNCTION VOID NTAPI	InbvSetProgressBarSubset (_In_ ULONG Floor, _In_ ULONG Ceiling)
INIT_FUNCTION VOID NTAPI	InbvUpdateProgressBar (IN ULONG Progress)
INIT_FUNCTION VOID NTAPI	InbvRotBarInit (VOID)
INIT_FUNCTION VOID NTAPI	DisplayBootBitmap (IN BOOLEAN TextMode)
INIT_FUNCTION VOID NTAPI	DisplayFilter (IN PCHAR *String)
INIT_FUNCTION VOID NTAPI	FinalizeBootLogo (VOID)
VOID NTAPI	InbvPortEnableFifo (IN ULONG PortId, IN BOOLEAN Enable)
BOOLEAN NTAPI	InbvPortPollOnly (IN ULONG PortId)
BOOLEAN NTAPI	InbvPortGetByte (IN ULONG PortId, OUT PUCHAR Byte)
VOID NTAPI	InbvPortPutByte (IN ULONG PortId, IN UCHAR Byte)
VOID NTAPI	InbvPortTerminate (IN ULONG PortId)
BOOLEAN NTAPI	InbvPortInitialize (IN ULONG BaudRate, IN ULONG PortNumber, IN PUCHAR PortAddress, OUT PULONG PortId, IN BOOLEAN IsMMIODevice)

Variables
BOOLEAN	InbvBootDriverInstalled

Function Documentation

DisplayBootBitmap()

INIT_FUNCTION VOID NTAPI DisplayBootBitmap

(

IN BOOLEAN

TextMode

)

Definition at line 1085 of file inbv.c.

{
    PVOID BootCopy = NULL, BootProgress = NULL, BootLogo = NULL, Header = NULL, Footer = 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)
    {
        /*
         * Make the kernel resource section temporarily writable,
         * as we are going to change the bitmaps' palette in place.
         */
        MmChangeKernelResourceSectionProtection(MM_READWRITE);

        /* Check the type of the OS: workstation or server */
        if (SharedUserData->NtProductType == NtProductWinNt)
        {
            /* Workstation; set colors */
            InbvSetTextColor(15);
            InbvSolidColorFill(0, 0, SCREEN_WIDTH-1, SCREEN_HEIGHT-1, 7);
            InbvSolidColorFill(0, 421, SCREEN_WIDTH-1, SCREEN_HEIGHT-1, 1);

            /* Get resources */
            Header = InbvGetResourceAddress(IDB_WKSTA_HEADER);
            Footer = InbvGetResourceAddress(IDB_WKSTA_FOOTER);
        }
        else
        {
            /* Server; set colors */
            InbvSetTextColor(14);
            InbvSolidColorFill(0, 0, SCREEN_WIDTH-1, SCREEN_HEIGHT-1, 6);
            InbvSolidColorFill(0, 421, SCREEN_WIDTH-1, SCREEN_HEIGHT-1, 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 */
            BitBltAligned(Footer,
                          TRUE,
                          AL_HORIZONTAL_CENTER,
                          AL_VERTICAL_BOTTOM,
                          0, 0, 0, 59);
            BitBltAligned(Header,
                          FALSE,
                          AL_HORIZONTAL_CENTER,
                          AL_VERTICAL_TOP,
                          0, 0, 0, 0);
        }

        /* Restore the kernel resource section protection to be read-only */
        MmChangeKernelResourceSectionProtection(MM_READONLY);
    }
    else
    {
        /* Is the boot driver installed? */
        if (!InbvBootDriverInstalled) return;

        /*
         * Make the kernel resource section temporarily writable,
         * as we are going to change the bitmaps' palette in place.
         */
        MmChangeKernelResourceSectionProtection(MM_READWRITE);

        /* Load boot screen logo */
        BootLogo = InbvGetResourceAddress(IDB_LOGO_DEFAULT);

#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_DEFAULT);
#endif
        }
#else
        /* Use default status bar */
        Bar = InbvGetResourceAddress(IDB_BAR_WKSTA);
#endif

        /* Make sure we have a logo */
        if (BootLogo)
        {
            /* Save the main image palette for implementing the fade-in effect */
            PBITMAPINFOHEADER BitmapInfoHeader = BootLogo;
            LPRGBQUAD Palette = (LPRGBQUAD)((PUCHAR)BootLogo + BitmapInfoHeader->biSize);
            RtlCopyMemory(MainPalette, Palette, sizeof(MainPalette));

            /* Draw the logo at the center of the screen */
            BitBltAligned(BootLogo,
                          TRUE,
                          AL_HORIZONTAL_CENTER,
                          AL_VERTICAL_CENTER,
                          0, 0, 0, 34);

#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
        }

        /* Load and draw progress bar bitmap */
        BootProgress = InbvGetResourceAddress(IDB_PROGRESS_BAR);
        BitBltAligned(BootProgress,
                      TRUE,
                      AL_HORIZONTAL_CENTER,
                      AL_VERTICAL_CENTER,
                      0, 118, 0, 0);

        /* Load and draw copyright text bitmap */
        BootCopy = InbvGetResourceAddress(IDB_COPYRIGHT);
        BitBltAligned(BootCopy,
                      TRUE,
                      AL_HORIZONTAL_LEFT,
                      AL_VERTICAL_BOTTOM,
                      22, 0, 0, 20);

#ifdef REACTOS_SKUS
        /* Draw the SKU text if it exits */
        if (Text) BitBltPalette(Text, TRUE, 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 */
                BitBltPalette(LineBmp, TRUE, 0, SCREEN_HEIGHT-6);
                InbvScreenToBufferBlt(RotLineBuffer, 0, SCREEN_HEIGHT-6, SCREEN_WIDTH, 6, SCREEN_WIDTH);
            }
        }
        else
        {
            /* Hide the simple progress bar if not used */
            ShowProgressBar = FALSE;
        }
#endif

        /* Restore the kernel resource section protection to be read-only */
        MmChangeKernelResourceSectionProtection(MM_READONLY);

        /* 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();
    }
#endif
}

Referenced by DisplayFilter(), and Phase1InitializationDiscard().

DisplayFilter()

INIT_FUNCTION VOID NTAPI DisplayFilter

(

IN PCHAR *

String

)

FinalizeBootLogo()

INIT_FUNCTION VOID NTAPI FinalizeBootLogo

(

VOID

)

Definition at line 1385 of file inbv.c.

{
    /* Acquire lock and check the display state */
    InbvAcquireLock();
    if (InbvGetDisplayState() == INBV_DISPLAY_STATE_OWNED)
    {
        /* Clear the screen */
        VidSolidColorFill(0, 0, SCREEN_WIDTH-1, SCREEN_HEIGHT-1, 0);
    }

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

Referenced by Phase1InitializationDiscard().

InbvBitBlt()

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

Definition at line 813 of file inbv.c.

{
    /* 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();
    }
}

Referenced by BitBltPalette(), DisplayBootBitmap(), and PopShutdownHandler().

InbvDriverInitialize()

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

Definition at line 421 of file inbv.c.

{
    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;
}

Referenced by Phase1InitializationDiscard().

InbvGetResourceAddress()

PUCHAR NTAPI InbvGetResourceAddress

(

IN ULONG

ResourceNumber

)

Definition at line 904 of file inbv.c.

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

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

Referenced by DisplayBootBitmap(), and PopShutdownHandler().

InbvIndicateProgress()

INIT_FUNCTION VOID NTAPI InbvIndicateProgress

(

VOID

)

Definition at line 883 of file inbv.c.

{
    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);
    }
}

Referenced by IopInitializeBuiltinDriver(), and IopInitializeSystemDrivers().

InbvPortEnableFifo()

VOID NTAPI InbvPortEnableFifo	(	IN ULONG	PortId,
		IN BOOLEAN	Enable
	)

Definition at line 56 of file inbvport.c.

{
    /* Set FIFO as requested */
    CpEnableFifo(Port[PortId].Address, Enable);
}

Referenced by HdlspEnableTerminal().

InbvPortGetByte()

BOOLEAN NTAPI InbvPortGetByte	(	IN ULONG	PortId,
		OUT PUCHAR	Byte
	)

Definition at line 38 of file inbvport.c.

{
    /* Read a byte from the port */
    return CpGetByte(&Port[PortId], Byte, TRUE, FALSE) == CP_GET_SUCCESS;
}

Referenced by HdlspDispatch().

InbvPortInitialize()

BOOLEAN NTAPI InbvPortInitialize	(	IN ULONG	BaudRate,
		IN ULONG	PortNumber,
		IN PUCHAR	PortAddress,
		OUT PULONG	PortId,
		IN BOOLEAN	IsMMIODevice
	)

Definition at line 73 of file inbvport.c.

{
    /* Not yet supported */
    ASSERT(IsMMIODevice == FALSE);

    /* Set default baud rate */
    if (BaudRate == 0) BaudRate = 19200;

    /* Check if port or address given */
    if (PortNumber)
    {
        /* Pick correct address for port */
        if (!PortAddress)
        {
            switch (PortNumber)
            {
                case 1:
                    PortAddress = (PUCHAR)0x3F8;
                    break;

                case 2:
                    PortAddress = (PUCHAR)0x2F8;
                    break;

                case 3:
                    PortAddress = (PUCHAR)0x3E8;
                    break;

                default:
                    PortNumber = 4;
                    PortAddress = (PUCHAR)0x2E8;
            }
        }
    }
    else
    {
        /* Pick correct port for address */
        PortAddress = (PUCHAR)0x2F8;
        if (CpDoesPortExist(PortAddress))
        {
            PortNumber = 2;
        }
        else
        {
            PortAddress = (PUCHAR)0x3F8;
            if (!CpDoesPortExist(PortAddress)) return FALSE;
            PortNumber = 1;
        }
    }

    /* Initialize the port unless it's already up, and then return it */
    if (Port[PortNumber - 1].Address) return FALSE;

    CpInitialize(&Port[PortNumber - 1], PortAddress, BaudRate);
    *PortId = PortNumber - 1;

    return TRUE;
}

Referenced by HdlspEnableTerminal().

InbvPortPollOnly()

BOOLEAN NTAPI InbvPortPollOnly

(

IN ULONG

PortId

)

Definition at line 28 of file inbvport.c.

{
    UCHAR Dummy;

    /* Poll a byte from the port */
    return CpGetByte(&Port[PortId], &Dummy, FALSE, TRUE) == CP_GET_SUCCESS;
}

Referenced by HdlspDispatch().

InbvPortPutByte()

VOID NTAPI InbvPortPutByte	(	IN ULONG	PortId,
		IN UCHAR	Byte
	)

Definition at line 47 of file inbvport.c.

{
    /* Send the byte */
    CpPutByte(&Port[PortId], Byte);
}

Referenced by HdlspPutData(), and HdlspSendStringAtBaud().

InbvPortTerminate()

VOID NTAPI InbvPortTerminate

(

IN ULONG

PortId

)

Definition at line 65 of file inbvport.c.

{
    /* The port is now available */
    Port[PortId].Address = NULL;
}

Referenced by HdlspEnableTerminal().

InbvRotBarInit()

INIT_FUNCTION VOID NTAPI InbvRotBarInit

(

VOID

)

Definition at line 1075 of file inbv.c.

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

Referenced by DisplayBootBitmap().

InbvSetProgressBarSubset()

INIT_FUNCTION VOID NTAPI InbvSetProgressBarSubset	(	_In_ ULONG	Floor,
		_In_ ULONG	Ceiling
	)

InbvUpdateProgressBar()

INIT_FUNCTION VOID NTAPI InbvUpdateProgressBar

(

IN ULONG

Progress

)

Definition at line 765 of file inbv.c.

{
    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();
    }
}

Referenced by InbvIndicateProgress(), and Phase1InitializationDiscard().

Variable Documentation

InbvBootDriverInstalled

BOOLEAN InbvBootDriverInstalled

Definition at line 87 of file inbv.c.

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