MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseEntry.c

   1 /** @file
   2
   3 Copyright (c) 2007 - 2008, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14     HiiDatabaseEntry.c
  15
  16 Abstract:
  17
  18     This file contains the entry code to the HII database, which is defined by
  19     UEFI 2.1 specification.
  20
  21 Revision History
  22
  23
  24 **/
  25
  26
  27 #include "HiiDatabase.h"
  28
  29 //
  30 // Global variables
  31 //
  32 EFI_EVENT gHiiKeyboardLayoutChanged;
  33 STATIC EFI_GUID gHiiSetKbdLayoutEventGuid = EFI_HII_SET_KEYBOARD_LAYOUT_EVENT_GUID;
  34
  35 STATIC HII_DATABASE_PRIVATE_DATA mPrivate = {
  36   HII_DATABASE_PRIVATE_DATA_SIGNATURE,
  37   {
  38     (LIST_ENTRY *) NULL,
  39     (LIST_ENTRY *) NULL
  40   },
  41   {
  42     (LIST_ENTRY *) NULL,
  43     (LIST_ENTRY *) NULL
  44   },
  45   {
  46     HiiStringToImage,
  47     HiiStringIdToImage,
  48     HiiGetGlyph,
  49     HiiGetFontInfo
  50   },
  51 #ifndef DISABLE_UNUSED_HII_PROTOCOLS
  52   {
  53     HiiNewImage,
  54     HiiGetImage,
  55     HiiSetImage,
  56     HiiDrawImage,
  57     HiiDrawImageId
  58   },
  59 #endif
  60   {
  61     HiiNewString,
  62     HiiGetString,
  63     HiiSetString,
  64     HiiGetLanguages,
  65     HiiGetSecondaryLanguages
  66   },
  67   {
  68     HiiNewPackageList,
  69     HiiRemovePackageList,
  70     HiiUpdatePackageList,
  71     HiiListPackageLists,
  72     HiiExportPackageLists,
  73     HiiRegisterPackageNotify,
  74     HiiUnregisterPackageNotify,
  75     HiiFindKeyboardLayouts,
  76     HiiGetKeyboardLayout,
  77     HiiSetKeyboardLayout,
  78     HiiGetPackageListHandle
  79   },
  80   {
  81     HiiConfigRoutingExtractConfig,
  82     HiiConfigRoutingExportConfig,
  83     HiiConfigRoutingRouteConfig,
  84     HiiBlockToConfig,
  85     HiiConfigToBlock,
  86     HiiGetAltCfg
  87   },
  88   {
  89     (LIST_ENTRY *) NULL,
  90     (LIST_ENTRY *) NULL
  91   },
  92   0,
  93   {
  94     (LIST_ENTRY *) NULL,
  95     (LIST_ENTRY *) NULL
  96   },
  97   EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK),
  98   {
  99     0x00000000,
 100     0x0000,
 101     0x0000,
 102     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
 103   },
 104   NULL
 105 };
 106
 107 STATIC
 108 VOID
 109 EFIAPI
 110 KeyboardLayoutChangeNullEvent (
 111   IN EFI_EVENT                Event,
 112   IN VOID                     *Context
 113   )
 114 {
 115   return;
 116 }
 117
 118 EFI_STATUS
 119 EFIAPI
 120 InitializeHiiDatabase (
 121   IN EFI_HANDLE           ImageHandle,
 122   IN EFI_SYSTEM_TABLE     *SystemTable
 123   )
 124 /*++
 125
 126 Routine Description:
 127   Initialize HII Database
 128
 129 Arguments:
 130   (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)
 131
 132 Returns:
 133   EFI_SUCCESS -
 134   other       -
 135
 136 --*/
 137 {
 138   EFI_STATUS                             Status;
 139   EFI_HANDLE                             Handle;
 140   EFI_HANDLE                             *HandleBuffer;
 141   UINTN                                  HandleCount;
 142
 143   //
 144   // There will be only one HII Database in the system
 145   // If there is another out there, someone is trying to install us
 146   // again.  Fail that scenario.
 147   //
 148   Status = gBS->LocateHandleBuffer (
 149                   ByProtocol,
 150                   &gEfiHiiDatabaseProtocolGuid,
 151                   NULL,
 152                   &HandleCount,
 153                   &HandleBuffer
 154                   );
 155
 156   //
 157   // If there was no error, assume there is an installation and fail to load
 158   //
 159   if (!EFI_ERROR (Status)) {
 160     if (HandleBuffer != NULL) {
 161       gBS->FreePool (HandleBuffer);
 162     }
 163     return EFI_DEVICE_ERROR;
 164   }
 165
 166   InitializeListHead (&mPrivate.DatabaseList);
 167   InitializeListHead (&mPrivate.DatabaseNotifyList);
 168   InitializeListHead (&mPrivate.HiiHandleList);
 169   InitializeListHead (&mPrivate.FontInfoList);
 170
 171   //
 172   // Create a event with EFI_HII_SET_KEYBOARD_LAYOUT_EVENT_GUID group type.
 173   //
 174   Status = gBS->CreateEventEx (
 175                   EFI_EVENT_NOTIFY_SIGNAL,
 176                   TPL_NOTIFY,
 177                   KeyboardLayoutChangeNullEvent,
 178                   NULL,
 179                   &gHiiSetKbdLayoutEventGuid,
 180                   &gHiiKeyboardLayoutChanged
 181                   );
 182   if (EFI_ERROR (Status)) {
 183     return Status;
 184   }
 185
 186   Handle = NULL;
 187   return gBS->InstallMultipleProtocolInterfaces (
 188                 &Handle,
 189                 &gEfiHiiFontProtocolGuid,
 190                 &mPrivate.HiiFont,
 191 #ifndef DISABLE_UNUSED_HII_PROTOCOLS
 192                 &gEfiHiiImageProtocolGuid,
 193                 &mPrivate.HiiImage,
 194 #endif
 195                 &gEfiHiiStringProtocolGuid,
 196                 &mPrivate.HiiString,
 197                 &gEfiHiiDatabaseProtocolGuid,
 198                 &mPrivate.HiiDatabase,
 199                 &gEfiHiiConfigRoutingProtocolGuid,
 200                 &mPrivate.ConfigRouting,
 201                 NULL
 202                 );
 203 }
 204