lib/data.c

   1 /*++
   2
   3 Copyright (c) 1998  Intel Corporation
   4
   5 Module Name:
   6
   7     data.c
   8
   9 Abstract:
  10
  11     EFI library global data
  12
  13
  14
  15 Revision History
  16
  17 --*/
  18
  19 #include "lib.h"
  20
  21 //
  22 // LibInitialized - TRUE once InitializeLib() is called for the first time
  23 //
  24
  25 BOOLEAN  LibInitialized = FALSE;
  26
  27 //
  28 // ImageHandle - Current ImageHandle, as passed to InitializeLib
  29 //
  30 EFI_HANDLE LibImageHandle;
  31
  32 //
  33 // ST - pointer to the EFI system table
  34 //
  35
  36 EFI_SYSTEM_TABLE        *ST;
  37
  38 //
  39 // BS - pointer to the boot services table
  40 //
  41
  42 EFI_BOOT_SERVICES       *BS;
  43
  44
  45 //
  46 // Default pool allocation type
  47 //
  48
  49 EFI_MEMORY_TYPE PoolAllocationType = EfiBootServicesData;
  50
  51 //
  52 // Unicode collation functions that are in use
  53 //
  54
  55 EFI_UNICODE_COLLATION_INTERFACE   LibStubUnicodeInterface = {
  56     LibStubStriCmp,
  57     LibStubMetaiMatch,
  58     LibStubStrLwrUpr,
  59     LibStubStrLwrUpr,
  60     NULL,   // FatToStr
  61     NULL,   // StrToFat
  62     NULL    // SupportedLanguages
  63 };
  64
  65 EFI_UNICODE_COLLATION_INTERFACE   *UnicodeInterface = &LibStubUnicodeInterface;
  66
  67 //
  68 // Root device path
  69 //
  70
  71 EFI_DEVICE_PATH RootDevicePath[] = {
  72    {END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, {END_DEVICE_PATH_LENGTH,0}}
  73 };
  74
  75 EFI_DEVICE_PATH EndDevicePath[] = {
  76    {END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, {END_DEVICE_PATH_LENGTH, 0}}
  77 };
  78
  79 EFI_DEVICE_PATH EndInstanceDevicePath[] = {
  80    {END_DEVICE_PATH_TYPE, END_INSTANCE_DEVICE_PATH_SUBTYPE, {END_DEVICE_PATH_LENGTH, 0}}
  81 };
  82
  83
  84 //
  85 // EFI IDs
  86 //
  87
  88 EFI_GUID gEfiGlobalVariableGuid = EFI_GLOBAL_VARIABLE;
  89 EFI_GUID NullGuid = { 0,0,0,{0,0,0,0,0,0,0,0} };
  90
  91 //
  92 // Protocol IDs
  93 //
  94
  95 EFI_GUID gEfiDevicePathProtocolGuid                 = EFI_DEVICE_PATH_PROTOCOL_GUID;
  96 EFI_GUID gEfiDevicePathToTextProtocolGuid           = EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID;
  97 EFI_GUID gEfiDevicePathFromTextProtocolGuid         = EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL_GUID;
  98 EFI_GUID gEfiLoadedImageProtocolGuid                = EFI_LOADED_IMAGE_PROTOCOL_GUID;
  99 EFI_GUID gEfiSimpleTextInProtocolGuid               = EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID;
 100 EFI_GUID gEfiSimpleTextOutProtocolGuid              = EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID;
 101 EFI_GUID gEfiBlockIoProtocolGuid                    = EFI_BLOCK_IO_PROTOCOL_GUID;
 102 EFI_GUID gEfiBlockIo2ProtocolGuid                   = EFI_BLOCK_IO2_PROTOCOL_GUID;
 103 EFI_GUID gEfiDiskIoProtocolGuid                     = EFI_DISK_IO_PROTOCOL_GUID;
 104 EFI_GUID gEfiDiskIo2ProtocolGuid                    = EFI_DISK_IO2_PROTOCOL_GUID;
 105 EFI_GUID gEfiSimpleFileSystemProtocolGuid           = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID;
 106 EFI_GUID gEfiLoadFileProtocolGuid                   = EFI_LOAD_FILE_PROTOCOL_GUID;
 107 EFI_GUID gEfiDeviceIoProtocolGuid                   = EFI_DEVICE_IO_PROTOCOL_GUID;
 108 EFI_GUID gEfiUnicodeCollationProtocolGuid           = EFI_UNICODE_COLLATION_PROTOCOL_GUID;
 109 EFI_GUID gEfiSerialIoProtocolGuid                   = EFI_SERIAL_IO_PROTOCOL_GUID;
 110 EFI_GUID gEfiSimpleNetworkProtocolGuid              = EFI_SIMPLE_NETWORK_PROTOCOL_GUID;
 111 EFI_GUID gEfiPxeBaseCodeProtocolGuid                = EFI_PXE_BASE_CODE_PROTOCOL_GUID;
 112 EFI_GUID gEfiPxeBaseCodeCallbackProtocolGuid        = EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL_GUID;
 113 EFI_GUID gEfiNetworkInterfaceIdentifierProtocolGuid = EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID;
 114 EFI_GUID gEFiUiInterfaceProtocolGuid                = EFI_UI_INTERFACE_PROTOCOL_GUID;
 115 EFI_GUID gEfiPciIoProtocolGuid                      = EFI_PCI_IO_PROTOCOL_GUID;
 116 EFI_GUID gEfiPciRootBridgeIoProtocolGuid            = EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID;
 117 EFI_GUID gEfiDriverBindingProtocolGuid              = EFI_DRIVER_BINDING_PROTOCOL_GUID;
 118 EFI_GUID gEfiComponentNameProtocolGuid              = EFI_COMPONENT_NAME_PROTOCOL_GUID;
 119 EFI_GUID gEfiComponentName2ProtocolGuid             = EFI_COMPONENT_NAME2_PROTOCOL_GUID;
 120 EFI_GUID gEfiHashProtocolGuid                       = EFI_HASH_PROTOCOL_GUID;
 121 EFI_GUID gEfiPlatformDriverOverrideProtocolGuid     = EFI_PLATFORM_DRIVER_OVERRIDE_PROTOCOL_GUID;
 122 EFI_GUID gEfiBusSpecificDriverOverrideProtocolGuid  = EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL_GUID;
 123 EFI_GUID gEfiDriverFamilyOverrideProtocolGuid       = EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL_GUID;
 124 EFI_GUID gEfiEbcProtocolGuid                        = EFI_EBC_PROTOCOL_GUID;
 125
 126 //
 127 // File system information IDs
 128 //
 129
 130 EFI_GUID gEfiFileInfoGuid                           = EFI_FILE_INFO_ID;
 131 EFI_GUID gEfiFileSystemInfoGuid                     = EFI_FILE_SYSTEM_INFO_ID;
 132 EFI_GUID gEfiFileSystemVolumeLabelInfoIdGuid        = EFI_FILE_SYSTEM_VOLUME_LABEL_INFO_ID;
 133
 134 //
 135 // Reference implementation public protocol IDs
 136 //
 137
 138 EFI_GUID InternalShellProtocol = INTERNAL_SHELL_GUID;
 139 EFI_GUID VariableStoreProtocol = VARIABLE_STORE_PROTOCOL;
 140 EFI_GUID LegacyBootProtocol = LEGACY_BOOT_PROTOCOL;
 141 EFI_GUID VgaClassProtocol = VGA_CLASS_DRIVER_PROTOCOL;
 142
 143 EFI_GUID TextOutSpliterProtocol = TEXT_OUT_SPLITER_PROTOCOL;
 144 EFI_GUID ErrorOutSpliterProtocol = ERROR_OUT_SPLITER_PROTOCOL;
 145 EFI_GUID TextInSpliterProtocol = TEXT_IN_SPLITER_PROTOCOL;
 146 /* Added for GOP support */
 147 EFI_GUID gEfiGraphicsOutputProtocolGuid             = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
 148 EFI_GUID gEfiEdidDiscoveredProtocolGuid             = EFI_EDID_DISCOVERED_PROTOCOL_GUID;
 149 EFI_GUID gEfiEdidActiveProtocolGuid                 = EFI_EDID_ACTIVE_PROTOCOL_GUID;
 150 EFI_GUID gEfiEdidOverrideProtocolGuid               = EFI_EDID_OVERRIDE_PROTOCOL_GUID;
 151
 152 EFI_GUID AdapterDebugProtocol = ADAPTER_DEBUG_PROTOCOL;
 153
 154 //
 155 // Device path media protocol IDs
 156 //
 157 EFI_GUID gEfiPcAnsiGuid                             = EFI_PC_ANSI_GUID;
 158 EFI_GUID gEfiVT100Guid                              = EFI_VT_100_GUID;
 159 EFI_GUID gEfiVT100PlusGuid                          = EFI_VT_100_PLUS_GUID;
 160 EFI_GUID gEfiVTUTF8Guid                             = EFI_VT_UTF8_GUID;
 161
 162 //
 163 // EFI GPT Partition Type GUIDs
 164 //
 165 EFI_GUID EfiPartTypeSystemPartitionGuid = EFI_PART_TYPE_EFI_SYSTEM_PART_GUID;
 166 EFI_GUID EfiPartTypeLegacyMbrGuid = EFI_PART_TYPE_LEGACY_MBR_GUID;
 167
 168
 169 //
 170 // Reference implementation Vendor Device Path Guids
 171 //
 172 EFI_GUID UnknownDevice      = UNKNOWN_DEVICE_GUID;
 173
 174 //
 175 // Configuration Table GUIDs
 176 //
 177
 178 EFI_GUID MpsTableGuid             = MPS_TABLE_GUID;
 179 EFI_GUID AcpiTableGuid            = ACPI_TABLE_GUID;
 180 EFI_GUID SMBIOSTableGuid          = SMBIOS_TABLE_GUID;
 181 EFI_GUID SalSystemTableGuid       = SAL_SYSTEM_TABLE_GUID;
 182
 183 //
 184 // Network protocol GUIDs
 185 //
 186 EFI_GUID Ip4ServiceBindingProtocol = EFI_IP4_SERVICE_BINDING_PROTOCOL;
 187 EFI_GUID Ip4Protocol = EFI_IP4_PROTOCOL;
 188 EFI_GUID Udp4ServiceBindingProtocol = EFI_UDP4_SERVICE_BINDING_PROTOCOL;
 189 EFI_GUID Udp4Protocol = EFI_UDP4_PROTOCOL;
 190 EFI_GUID Tcp4ServiceBindingProtocol = EFI_TCP4_SERVICE_BINDING_PROTOCOL;
 191 EFI_GUID Tcp4Protocol = EFI_TCP4_PROTOCOL;
 192
 193 //
 194 // Pointer protocol GUIDs
 195 //
 196 EFI_GUID SimplePointerProtocol    = EFI_SIMPLE_POINTER_PROTOCOL_GUID;
 197 EFI_GUID AbsolutePointerProtocol  = EFI_ABSOLUTE_POINTER_PROTOCOL_GUID;
 198
 199 //
 200 // Debugger protocol GUIDs
 201 //
 202 EFI_GUID gEfiDebugImageInfoTableGuid           = EFI_DEBUG_IMAGE_INFO_TABLE_GUID;
 203 EFI_GUID gEfiDebugSupportProtocolGuid          = EFI_DEBUG_SUPPORT_PROTOCOL_GUID;