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 // ST - pointer to the EFI system table
  29 //
  30
  31 EFI_SYSTEM_TABLE        *ST;
  32
  33 //
  34 // BS - pointer to the boot services table
  35 //
  36
  37 EFI_BOOT_SERVICES       *BS;
  38
  39
  40 //
  41 // Default pool allocation type
  42 //
  43
  44 EFI_MEMORY_TYPE PoolAllocationType = EfiBootServicesData;
  45
  46 //
  47 // Unicode collation functions that are in use
  48 //
  49
  50 EFI_UNICODE_COLLATION_INTERFACE   LibStubUnicodeInterface = {
  51     LibStubStriCmp,
  52     LibStubMetaiMatch,
  53     LibStubStrLwrUpr,
  54     LibStubStrLwrUpr,
  55     NULL,   // FatToStr
  56     NULL,   // StrToFat
  57     NULL    // SupportedLanguages
  58 };
  59
  60 EFI_UNICODE_COLLATION_INTERFACE   *UnicodeInterface = &LibStubUnicodeInterface;
  61
  62 //
  63 // Root device path
  64 //
  65
  66 EFI_DEVICE_PATH RootDevicePath[] = {
  67    {END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, {END_DEVICE_PATH_LENGTH,0}}
  68 };
  69
  70 EFI_DEVICE_PATH EndDevicePath[] = {
  71    {END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE, {END_DEVICE_PATH_LENGTH, 0}}
  72 };
  73
  74 EFI_DEVICE_PATH EndInstanceDevicePath[] = {
  75    {END_DEVICE_PATH_TYPE, END_INSTANCE_DEVICE_PATH_SUBTYPE, {END_DEVICE_PATH_LENGTH, 0}}
  76 };
  77
  78
  79 //
  80 // EFI IDs
  81 //
  82
  83 EFI_GUID EfiGlobalVariable  = EFI_GLOBAL_VARIABLE;
  84 EFI_GUID NullGuid = { 0,0,0,{0,0,0,0,0,0,0,0} };
  85
  86 //
  87 // Protocol IDs
  88 //
  89
  90 EFI_GUID DevicePathProtocol       = DEVICE_PATH_PROTOCOL;
  91 EFI_GUID LoadedImageProtocol      = LOADED_IMAGE_PROTOCOL;
  92 EFI_GUID TextInProtocol           = SIMPLE_TEXT_INPUT_PROTOCOL;
  93 EFI_GUID TextOutProtocol          = SIMPLE_TEXT_OUTPUT_PROTOCOL;
  94 EFI_GUID BlockIoProtocol          = BLOCK_IO_PROTOCOL;
  95 EFI_GUID DiskIoProtocol           = DISK_IO_PROTOCOL;
  96 EFI_GUID FileSystemProtocol       = SIMPLE_FILE_SYSTEM_PROTOCOL;
  97 EFI_GUID LoadFileProtocol         = LOAD_FILE_PROTOCOL;
  98 EFI_GUID DeviceIoProtocol         = DEVICE_IO_PROTOCOL;
  99 EFI_GUID UnicodeCollationProtocol = UNICODE_COLLATION_PROTOCOL;
 100 EFI_GUID SerialIoProtocol         = SERIAL_IO_PROTOCOL;
 101 EFI_GUID SimpleNetworkProtocol    = EFI_SIMPLE_NETWORK_PROTOCOL;
 102 EFI_GUID PxeBaseCodeProtocol      = EFI_PXE_BASE_CODE_PROTOCOL;
 103 EFI_GUID PxeCallbackProtocol      = EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL;
 104 EFI_GUID NetworkInterfaceIdentifierProtocol = EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL;
 105 EFI_GUID UiProtocol               = EFI_UI_PROTOCOL;
 106 EFI_GUID PciIoProtocol            = EFI_PCI_IO_PROTOCOL;
 107 //
 108 // File system information IDs
 109 //
 110
 111 EFI_GUID GenericFileInfo           = EFI_FILE_INFO_ID;
 112 EFI_GUID FileSystemInfo            = EFI_FILE_SYSTEM_INFO_ID;
 113 EFI_GUID FileSystemVolumeLabelInfo = EFI_FILE_SYSTEM_VOLUME_LABEL_INFO_ID;
 114
 115 //
 116 // Reference implementation public protocol IDs
 117 //
 118
 119 EFI_GUID InternalShellProtocol = INTERNAL_SHELL_GUID;
 120 EFI_GUID VariableStoreProtocol = VARIABLE_STORE_PROTOCOL;
 121 EFI_GUID LegacyBootProtocol = LEGACY_BOOT_PROTOCOL;
 122 EFI_GUID VgaClassProtocol = VGA_CLASS_DRIVER_PROTOCOL;
 123
 124 EFI_GUID TextOutSpliterProtocol = TEXT_OUT_SPLITER_PROTOCOL;
 125 EFI_GUID ErrorOutSpliterProtocol = ERROR_OUT_SPLITER_PROTOCOL;
 126 EFI_GUID TextInSpliterProtocol = TEXT_IN_SPLITER_PROTOCOL;
 127 /* Added for GOP support */
 128 EFI_GUID GraphicsOutputProtocol = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
 129
 130 EFI_GUID AdapterDebugProtocol = ADAPTER_DEBUG_PROTOCOL;
 131
 132 //
 133 // Device path media protocol IDs
 134 //
 135 EFI_GUID PcAnsiProtocol = DEVICE_PATH_MESSAGING_PC_ANSI;
 136 EFI_GUID Vt100Protocol  = DEVICE_PATH_MESSAGING_VT_100;
 137
 138 //
 139 // EFI GPT Partition Type GUIDs
 140 //
 141 EFI_GUID EfiPartTypeSystemPartitionGuid = EFI_PART_TYPE_EFI_SYSTEM_PART_GUID;
 142 EFI_GUID EfiPartTypeLegacyMbrGuid = EFI_PART_TYPE_LEGACY_MBR_GUID;
 143
 144
 145 //
 146 // Reference implementation Vendor Device Path Guids
 147 //
 148 EFI_GUID UnknownDevice      = UNKNOWN_DEVICE_GUID;
 149
 150 //
 151 // Configuration Table GUIDs
 152 //
 153
 154 EFI_GUID MpsTableGuid             = MPS_TABLE_GUID;
 155 EFI_GUID AcpiTableGuid            = ACPI_TABLE_GUID;
 156 EFI_GUID SMBIOSTableGuid          = SMBIOS_TABLE_GUID;
 157 EFI_GUID SalSystemTableGuid       = SAL_SYSTEM_TABLE_GUID;