src/system/boot/platform/efi/start.c

   1 /*
   2  * Copyright (c) 2011, Intel Corporation
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  *    * Redistributions of source code must retain the above copyright
  10  *      notice, this list of conditions and the following disclaimer.
  11  *    * Redistributions in binary form must reproduce the above copyright
  12  *      notice, this list of conditions and the following disclaimer
  13  *      in the documentation and/or other materials provided with the
  14  *      distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  19  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  20  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  27  * OF THE POSSIBILITY OF SUCH DAMAGE.
  28  */
  29 #include "efibind.h"
  30 #include "efidef.h"
  31 #include "efidevp.h"
  32 #include "eficon.h"
  33 #include "efiprot.h"
  34 #include "efiapi.h"
  35 #include "efierr.h"
  36
  37 static const CHAR16 *exampleText = L"Example EFI Application. Press any key!";
  38
  39 EFI_STATUS efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systemTable);
  40
  41 /**
  42  * efi_main - The entry point for the EFI application
  43  * @image: firmware-allocated handle that identifies the image
  44  * @SystemTable: EFI system table
  45  */
  46 EFI_STATUS
  47 efi_main(EFI_HANDLE image, EFI_SYSTEM_TABLE *systemTable)
  48 {
  49    UINTN index;
  50    EFI_EVENT event = systemTable->ConIn->WaitForKey;
  51
  52    SIMPLE_TEXT_OUTPUT_INTERFACE *conOut = systemTable->ConOut;
  53    conOut->OutputString(conOut, (CHAR16*)exampleText);
  54
  55    systemTable->BootServices->WaitForEvent(1, &event, &index);
  56
  57    return EFI_SUCCESS;
  58 }