Home | History | Annotate | Download | only in lib
      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;
    158 
    159 //
    160 // Network protocol GUIDs
    161 //
    162 EFI_GUID Ip4ServiceBindingProtocol = EFI_IP4_SERVICE_BINDING_PROTOCOL;
    163 EFI_GUID Ip4Protocol = EFI_IP4_PROTOCOL;
    164 EFI_GUID Udp4ServiceBindingProtocol = EFI_UDP4_SERVICE_BINDING_PROTOCOL;
    165 EFI_GUID Udp4Protocol = EFI_UDP4_PROTOCOL;
    166 EFI_GUID Tcp4ServiceBindingProtocol = EFI_TCP4_SERVICE_BINDING_PROTOCOL;
    167 EFI_GUID Tcp4Protocol = EFI_TCP4_PROTOCOL;
    168