1 /*++ 2 3 Copyright (c) 1998 Intel Corporation 4 5 Module Name: 6 7 misc.c 8 9 Abstract: 10 11 Misc EFI support functions 12 13 14 15 Revision History 16 17 --*/ 18 19 #include "lib.h" 20 21 22 // 23 // Additional Known guids 24 // 25 26 #define SHELL_INTERFACE_PROTOCOL \ 27 { 0x47c7b223, 0xc42a, 0x11d2, {0x8e, 0x57, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b} } 28 29 #define ENVIRONMENT_VARIABLE_ID \ 30 { 0x47c7b224, 0xc42a, 0x11d2, {0x8e, 0x57, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b} } 31 32 #define DEVICE_PATH_MAPPING_ID \ 33 { 0x47c7b225, 0xc42a, 0x11d2, {0x8e, 0x57, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b} } 34 35 #define PROTOCOL_ID_ID \ 36 { 0x47c7b226, 0xc42a, 0x11d2, {0x8e, 0x57, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b} } 37 38 #define ALIAS_ID \ 39 { 0x47c7b227, 0xc42a, 0x11d2, {0x8e, 0x57, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b} } 40 41 static EFI_GUID ShellInterfaceProtocol = SHELL_INTERFACE_PROTOCOL; 42 static EFI_GUID SEnvId = ENVIRONMENT_VARIABLE_ID; 43 static EFI_GUID SMapId = DEVICE_PATH_MAPPING_ID; 44 static EFI_GUID SProtId = PROTOCOL_ID_ID; 45 static EFI_GUID SAliasId = ALIAS_ID; 46 47 static struct { 48 EFI_GUID *Guid; 49 WCHAR *GuidName; 50 } KnownGuids[] = { 51 { &NullGuid, L"G0" }, 52 { &gEfiGlobalVariableGuid, L"EfiVar" }, 53 54 { &VariableStoreProtocol, L"VarStore" }, 55 { &gEfiDevicePathProtocolGuid, L"DevPath" }, 56 { &gEfiLoadedImageProtocolGuid, L"LdImg" }, 57 { &gEfiSimpleTextInProtocolGuid, L"TxtIn" }, 58 { &gEfiSimpleTextOutProtocolGuid, L"TxtOut" }, 59 { &gEfiBlockIoProtocolGuid, L"BlkIo" }, 60 { &gEfiBlockIo2ProtocolGuid, L"BlkIo2" }, 61 { &gEfiDiskIoProtocolGuid, L"DskIo" }, 62 { &gEfiDiskIo2ProtocolGuid, L"DskIo2" }, 63 { &gEfiSimpleFileSystemProtocolGuid, L"Fs" }, 64 { &gEfiLoadFileProtocolGuid, L"LdFile" }, 65 { &gEfiDeviceIoProtocolGuid, L"DevIo" }, 66 { &gEfiComponentNameProtocolGuid, L"CName" }, 67 { &gEfiComponentName2ProtocolGuid, L"CName2" }, 68 69 { &gEfiFileInfoGuid, L"FileInfo" }, 70 { &gEfiFileSystemInfoGuid, L"FsInfo" }, 71 { &gEfiFileSystemVolumeLabelInfoIdGuid, L"FsVolInfo" }, 72 73 { &gEfiUnicodeCollationProtocolGuid, L"Unicode" }, 74 { &LegacyBootProtocol, L"LegacyBoot" }, 75 { &gEfiSerialIoProtocolGuid, L"SerIo" }, 76 { &VgaClassProtocol, L"VgaClass"}, 77 { &gEfiSimpleNetworkProtocolGuid, L"Net" }, 78 { &gEfiNetworkInterfaceIdentifierProtocolGuid, L"Nii" }, 79 { &gEfiPxeBaseCodeProtocolGuid, L"Pxe" }, 80 { &gEfiPxeBaseCodeCallbackProtocolGuid, L"PxeCb" }, 81 82 { &TextOutSpliterProtocol, L"TxtOutSplit" }, 83 { &ErrorOutSpliterProtocol, L"ErrOutSplit" }, 84 { &TextInSpliterProtocol, L"TxtInSplit" }, 85 { &gEfiPcAnsiGuid, L"PcAnsi" }, 86 { &gEfiVT100Guid, L"Vt100" }, 87 { &gEfiVT100PlusGuid, L"Vt100Plus" }, 88 { &gEfiVTUTF8Guid, L"VtUtf8" }, 89 { &UnknownDevice, L"UnknownDev" }, 90 91 { &EfiPartTypeSystemPartitionGuid, L"ESP" }, 92 { &EfiPartTypeLegacyMbrGuid, L"GPT MBR" }, 93 94 { &ShellInterfaceProtocol, L"ShellInt" }, 95 { &SEnvId, L"SEnv" }, 96 { &SProtId, L"ShellProtId" }, 97 { &SMapId, L"ShellDevPathMap" }, 98 { &SAliasId, L"ShellAlias" }, 99 100 { NULL, L"" } 101 }; 102 103 // 104 // 105 // 106 107 LIST_ENTRY GuidList; 108 109 110 VOID 111 InitializeGuid ( 112 VOID 113 ) 114 { 115 } 116 117 INTN 118 CompareGuid( 119 IN EFI_GUID *Guid1, 120 IN EFI_GUID *Guid2 121 ) 122 /*++ 123 124 Routine Description: 125 126 Compares to GUIDs 127 128 Arguments: 129 130 Guid1 - guid to compare 131 Guid2 - guid to compare 132 133 Returns: 134 = 0 if Guid1 == Guid2 135 136 --*/ 137 { 138 return RtCompareGuid (Guid1, Guid2); 139 } 140 141 142 VOID 143 GuidToString ( 144 OUT CHAR16 *Buffer, 145 IN EFI_GUID *Guid 146 ) 147 { 148 149 UINTN Index; 150 151 // 152 // Else, (for now) use additional internal function for mapping guids 153 // 154 155 for (Index=0; KnownGuids[Index].Guid; Index++) { 156 if (CompareGuid(Guid, KnownGuids[Index].Guid) == 0) { 157 UnicodeSPrint (Buffer, 0, KnownGuids[Index].GuidName); 158 return ; 159 } 160 } 161 162 // 163 // Else dump it 164 // 165 166 UnicodeSPrint (Buffer, 0, L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x", 167 Guid->Data1, 168 Guid->Data2, 169 Guid->Data3, 170 Guid->Data4[0], 171 Guid->Data4[1], 172 Guid->Data4[2], 173 Guid->Data4[3], 174 Guid->Data4[4], 175 Guid->Data4[5], 176 Guid->Data4[6], 177 Guid->Data4[7] 178 ); 179 } 180