lib/guid.c

   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         {  &EfiGlobalVariable,         L"Efi"},
  53
  54         {  &VariableStoreProtocol,     L"varstore"},
  55         {  &DevicePathProtocol,        L"dpath"},
  56         {  &LoadedImageProtocol,       L"image"},
  57         {  &TextInProtocol,            L"txtin"},
  58         {  &TextOutProtocol,           L"txtout"},
  59         {  &BlockIoProtocol,           L"blkio"},
  60         {  &DiskIoProtocol,            L"diskio"},
  61         {  &FileSystemProtocol,        L"fs"},
  62         {  &LoadFileProtocol,          L"load"},
  63         {  &DeviceIoProtocol,          L"DevIo"},
  64
  65         {  &GenericFileInfo,           L"GenFileInfo"},
  66         {  &FileSystemInfo,            L"FileSysInfo"},
  67
  68         {  &UnicodeCollationProtocol,  L"unicode"},
  69         {  &LegacyBootProtocol,        L"LegacyBoot"},
  70         {  &SerialIoProtocol,          L"serialio"},
  71         {  &VgaClassProtocol,          L"vgaclass"},
  72         {  &SimpleNetworkProtocol,     L"net"},
  73         {  &NetworkInterfaceIdentifierProtocol,    L"nii"},
  74         {  &PxeBaseCodeProtocol,       L"pxebc"},
  75         {  &PxeCallbackProtocol,       L"pxecb"},
  76
  77         {  &VariableStoreProtocol,     L"varstore"},
  78         {  &LegacyBootProtocol,        L"LegacyBoot"},
  79         {  &VgaClassProtocol,          L"VgaClass"},
  80         {  &TextOutSpliterProtocol,    L"TxtOutSplit"},
  81         {  &ErrorOutSpliterProtocol,   L"ErrOutSplit"},
  82         {  &TextInSpliterProtocol,     L"TxtInSplit"},
  83         {  &PcAnsiProtocol,            L"PcAnsi"},
  84         {  &Vt100Protocol,             L"Vt100"},
  85         {  &UnknownDevice,             L"Unknown Device"},
  86
  87         {  &EfiPartTypeSystemPartitionGuid,    L"ESP"},
  88         {  &EfiPartTypeLegacyMbrGuid,          L"GPT MBR"},
  89
  90         {  &ShellInterfaceProtocol,    L"ShellInt"},
  91         {  &SEnvId,                    L"SEnv"},
  92         {  &SProtId,                   L"ShellProtId"},
  93         {  &SMapId,                    L"ShellDevPathMap"},
  94         {  &SAliasId,                  L"ShellAlias"},
  95
  96         {  NULL }
  97 };
  98
  99 //
 100 //
 101 //
 102
 103 LIST_ENTRY          GuidList;
 104
 105
 106 VOID
 107 InitializeGuid (
 108     VOID
 109     )
 110 {
 111 }
 112
 113 INTN
 114 CompareGuid(
 115     IN EFI_GUID     *Guid1,
 116     IN EFI_GUID     *Guid2
 117     )
 118 /*++
 119
 120 Routine Description:
 121
 122     Compares to GUIDs
 123
 124 Arguments:
 125
 126     Guid1       - guid to compare
 127     Guid2       - guid to compare
 128
 129 Returns:
 130     = 0     if Guid1 == Guid2
 131
 132 --*/
 133 {
 134     return RtCompareGuid (Guid1, Guid2);
 135 }
 136
 137
 138 VOID
 139 GuidToString (
 140     OUT CHAR16      *Buffer,
 141     IN EFI_GUID     *Guid
 142     )
 143 {
 144
 145     UINTN           Index;
 146
 147     //
 148     // Else, (for now) use additional internal function for mapping guids
 149     //
 150
 151     for (Index=0; KnownGuids[Index].Guid; Index++) {
 152         if (CompareGuid(Guid, KnownGuids[Index].Guid) == 0) {
 153             SPrint (Buffer, 0, KnownGuids[Index].GuidName);
 154             return ;
 155         }
 156     }
 157
 158     //
 159     // Else dump it
 160     //
 161
 162     SPrint (Buffer, 0, L"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
 163         Guid->Data1,
 164         Guid->Data2,
 165         Guid->Data3,
 166         Guid->Data4[0],
 167         Guid->Data4[1],
 168         Guid->Data4[2],
 169         Guid->Data4[3],
 170         Guid->Data4[4],
 171         Guid->Data4[5],
 172         Guid->Data4[6],
 173         Guid->Data4[7]
 174         );
 175 }