MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseEntry.c

   1 /** @file
   2 This file contains the entry code to the HII database, which is defined by
   3 UEFI 2.1 specification.
   4
   5 Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
   6 This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16
  17 #include "HiiDatabase.h"
  18
  19 //
  20 // Global variables
  21 //
  22 EFI_EVENT gHiiKeyboardLayoutChanged;
  23 BOOLEAN   gExportAfterReadyToBoot = FALSE;
  24
  25 HII_DATABASE_PRIVATE_DATA mPrivate = {
  26   HII_DATABASE_PRIVATE_DATA_SIGNATURE,
  27   {
  28     (LIST_ENTRY *) NULL,
  29     (LIST_ENTRY *) NULL
  30   },
  31   {
  32     (LIST_ENTRY *) NULL,
  33     (LIST_ENTRY *) NULL
  34   },
  35   {
  36     HiiStringToImage,
  37     HiiStringIdToImage,
  38     HiiGetGlyph,
  39     HiiGetFontInfo
  40   },
  41   {
  42     NULL,
  43     NULL,
  44     NULL,
  45     NULL,
  46     NULL
  47   },
  48   {
  49     HiiNewString,
  50     HiiGetString,
  51     HiiSetString,
  52     HiiGetLanguages,
  53     HiiGetSecondaryLanguages
  54   },
  55   {
  56     HiiNewPackageList,
  57     HiiRemovePackageList,
  58     HiiUpdatePackageList,
  59     HiiListPackageLists,
  60     HiiExportPackageLists,
  61     HiiRegisterPackageNotify,
  62     HiiUnregisterPackageNotify,
  63     HiiFindKeyboardLayouts,
  64     HiiGetKeyboardLayout,
  65     HiiSetKeyboardLayout,
  66     HiiGetPackageListHandle
  67   },
  68   {
  69     HiiConfigRoutingExtractConfig,
  70     HiiConfigRoutingExportConfig,
  71     HiiConfigRoutingRouteConfig,
  72     HiiBlockToConfig,
  73     HiiConfigToBlock,
  74     HiiGetAltCfg
  75   },
  76   {
  77     EfiConfigKeywordHandlerSetData,
  78     EfiConfigKeywordHandlerGetData
  79   },
  80   {
  81     (LIST_ENTRY *) NULL,
  82     (LIST_ENTRY *) NULL
  83   },
  84   0,
  85   {
  86     (LIST_ENTRY *) NULL,
  87     (LIST_ENTRY *) NULL
  88   },
  89   EFI_TEXT_ATTR (EFI_LIGHTGRAY, EFI_BLACK),
  90   {
  91     0x00000000,
  92     0x0000,
  93     0x0000,
  94     {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
  95   },
  96   NULL
  97 };
  98
  99 GLOBAL_REMOVE_IF_UNREFERENCED CONST EFI_HII_IMAGE_PROTOCOL mImageProtocol = {
 100   HiiNewImage,
 101   HiiGetImage,
 102   HiiSetImage,
 103   HiiDrawImage,
 104   HiiDrawImageId
 105 };
 106
 107 /**
 108   The default event handler for gHiiKeyboardLayoutChanged
 109   event group.
 110
 111   This is internal function.
 112
 113   @param Event           The event that triggered this notification function.
 114   @param Context         Pointer to the notification functions context.
 115
 116 **/
 117 VOID
 118 EFIAPI
 119 KeyboardLayoutChangeNullEvent (
 120   IN EFI_EVENT                Event,
 121   IN VOID                     *Context
 122   )
 123 {
 124   return;
 125 }
 126
 127 /**
 128   On Ready To Boot Services Event notification handler.
 129
 130   To trigger the function that to export the Hii Configuration setting.
 131
 132   @param[in]  Event     Event whose notification function is being invoked
 133   @param[in]  Context   Pointer to the notification function's context
 134
 135 **/
 136 VOID
 137 EFIAPI
 138 OnReadyToBoot (
 139   IN      EFI_EVENT                         Event,
 140   IN      VOID                              *Context
 141   )
 142 {
 143   //
 144   // When ready to boot, we begin to export the HiiDatabase date.
 145   // And hook all the possible HiiDatabase change actions to export data.
 146   //
 147   HiiGetConfigurationSetting(&mPrivate.HiiDatabase);
 148   gExportAfterReadyToBoot = TRUE;
 149 }
 150
 151 /**
 152   Initialize HII Database.
 153
 154
 155   @param ImageHandle     The image handle.
 156   @param SystemTable     The system table.
 157
 158   @retval EFI_SUCCESS    The Hii database is setup correctly.
 159   @return Other value if failed to create the default event for
 160           gHiiKeyboardLayoutChanged. Check gBS->CreateEventEx for
 161           details. Or failed to insatll the protocols.
 162           Check gBS->InstallMultipleProtocolInterfaces for details.
 163           Or failed to create Ready To Boot Event.
 164           Check EfiCreateEventReadyToBootEx for details.
 165
 166 **/
 167 EFI_STATUS
 168 EFIAPI
 169 InitializeHiiDatabase (
 170   IN EFI_HANDLE           ImageHandle,
 171   IN EFI_SYSTEM_TABLE     *SystemTable
 172   )
 173 {
 174   EFI_STATUS                             Status;
 175   EFI_HANDLE                             Handle;
 176   EFI_EVENT                              ReadyToBootEvent;
 177
 178   //
 179   // There will be only one HII Database in the system
 180   // If there is another out there, someone is trying to install us
 181   // again.  Fail that scenario.
 182   //
 183   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiHiiDatabaseProtocolGuid);
 184   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiHiiFontProtocolGuid);
 185   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiHiiImageProtocolGuid);
 186   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiHiiStringProtocolGuid);
 187   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiHiiConfigRoutingProtocolGuid);
 188   ASSERT_PROTOCOL_ALREADY_INSTALLED (NULL, &gEfiConfigKeywordHandlerProtocolGuid);
 189
 190   InitializeListHead (&mPrivate.DatabaseList);
 191   InitializeListHead (&mPrivate.DatabaseNotifyList);
 192   InitializeListHead (&mPrivate.HiiHandleList);
 193   InitializeListHead (&mPrivate.FontInfoList);
 194
 195   //
 196   // Create a event with EFI_HII_SET_KEYBOARD_LAYOUT_EVENT_GUID group type.
 197   //
 198   Status = gBS->CreateEventEx (
 199                   EVT_NOTIFY_SIGNAL,
 200                   TPL_NOTIFY,
 201                   KeyboardLayoutChangeNullEvent,
 202                   NULL,
 203                   &gEfiHiiKeyBoardLayoutGuid,
 204                   &gHiiKeyboardLayoutChanged
 205                   );
 206   if (EFI_ERROR (Status)) {
 207     return Status;
 208   }
 209
 210   Handle = NULL;
 211   Status = gBS->InstallMultipleProtocolInterfaces (
 212                   &Handle,
 213                   &gEfiHiiFontProtocolGuid,
 214                   &mPrivate.HiiFont,
 215                   &gEfiHiiStringProtocolGuid,
 216                   &mPrivate.HiiString,
 217                   &gEfiHiiDatabaseProtocolGuid,
 218                   &mPrivate.HiiDatabase,
 219                   &gEfiHiiConfigRoutingProtocolGuid,
 220                   &mPrivate.ConfigRouting,
 221                   &gEfiConfigKeywordHandlerProtocolGuid,
 222                   &mPrivate.ConfigKeywordHandler,
 223                   NULL
 224                   );
 225
 226   if (EFI_ERROR (Status)) {
 227     return Status;
 228   }
 229
 230   if (FeaturePcdGet (PcdSupportHiiImageProtocol)) {
 231     CopyMem (&mPrivate.HiiImage, &mImageProtocol, sizeof (mImageProtocol));
 232
 233     Status = gBS->InstallMultipleProtocolInterfaces (
 234                     &Handle,
 235                     &gEfiHiiImageProtocolGuid,
 236                     &mPrivate.HiiImage,
 237                     NULL
 238                     );
 239
 240   }
 241
 242   if (FeaturePcdGet(PcdHiiOsRuntimeSupport)) {
 243     Status = EfiCreateEventReadyToBootEx (
 244                TPL_CALLBACK,
 245                OnReadyToBoot,
 246                NULL,
 247                &ReadyToBootEvent
 248                );
 249     if (EFI_ERROR (Status)) {
 250       return Status;
 251     }
 252   }
 253
 254   return Status;
 255 }
 256