rosload.h File Reference

#include <stdlib.h>
#include <stdio.h>
#include <wchar.h>
#include <initguid.h>
#include <ntifs.h>
#include <Uefi.h>
#include <bl.h>
#include <bcd.h>
#include <arc/arc.h>

Include dependency graph for rosload.h:

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Go to the source code of this file.

Classes
struct	_OSL_BSD_ITEM_TABLE_ENTRY

Typedefs
typedef struct _OSL_BSD_ITEM_TABLE_ENTRY	OSL_BSD_ITEM_TABLE_ENTRY

Functions
VOID NTAPI	OslDrawLogo (VOID)

Typedef Documentation

OSL_BSD_ITEM_TABLE_ENTRY

typedef struct _OSL_BSD_ITEM_TABLE_ENTRY OSL_BSD_ITEM_TABLE_ENTRY

Function Documentation

OslDrawLogo()

VOID NTAPI OslDrawLogo

(

VOID

)

Definition at line 9767 of file roslogo.c.

{
    EFI_GRAPHICS_OUTPUT_BLT_PIXEL* GopBlt;
    UINTN GopBltSize, BmpHeight, BmpWidth, CoordinateY, CoordinateX;
    PHYSICAL_ADDRESS GopBltPhys;
    EFI_GRAPHICS_OUTPUT_PROTOCOL* GraphicsOutput;
    EFI_STATUS EfiStatus;

    /* Convert ReactOS Logo */
    ConvertBmpToGopBlt(g_Logo,
                       sizeof(g_Logo),
                       (PVOID*)&GopBlt,
                       &GopBltSize,
                       &BmpHeight,
                       &BmpWidth);

    CoordinateX = (DspGraphicalConsole->DisplayMode.HRes / 2) - (BmpWidth / 2);
    CoordinateY = (DspGraphicalConsole->DisplayMode.VRes / 2) - (BmpHeight / 2);
    BlMmTranslateVirtualAddress(GopBlt, &GopBltPhys);
    GopBlt = PhysicalAddressToPtr(GopBltPhys);

    /* Make the screen black */
    RtlFillMemory(DspGraphicalConsole->FrameBuffer,
                  DspGraphicalConsole->FrameBufferSize,
                  0x00);

    /* Switch to real mode */
    BlpArchSwitchContext(BlRealMode);

    /* Get the UEFI GOP Protocol */
    EfiStatus = EfiBS->HandleProtocol(EfiST->ConsoleOutHandle,
                                      &EfiGraphicsOutputProtocol,
                                      (PVOID*)&GraphicsOutput);
    if (EfiStatus== EFI_SUCCESS)
    {
        /* Draw the logo */
        GraphicsOutput->Blt(GraphicsOutput,
                            GopBlt,
                            EfiBltBufferToVideo,
                            0,
                            0,
                            CoordinateX,
                            CoordinateY,
                            BmpWidth,
                            BmpHeight,
                            BmpWidth * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
    }

    /* Go back to protected mode */
    BlpArchSwitchContext(BlProtectedMode);

    /* Display text below the logo */
    EfiPrintf(L"\n\n\n\n\nReactOS UEFI OS Loader Initializing... %lx\r\n",
              EfiStatus);
    EfiStall(1000000);

    /* Clear the screen and return */
    BlDisplayClearScreen();
}

Referenced by OslMain().