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      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 }
    176