guid.c revision 76d05dc695b06c4e987bb8078f78032441e1430c 
1/*++
2
3Copyright (c) 1998  Intel Corporation
4
5Module Name:
6
7    misc.c
8
9Abstract:
10
11    Misc EFI support functions
12
13
14
15Revision 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
41static EFI_GUID ShellInterfaceProtocol = SHELL_INTERFACE_PROTOCOL;
42static EFI_GUID SEnvId                 = ENVIRONMENT_VARIABLE_ID;
43static EFI_GUID SMapId                 = DEVICE_PATH_MAPPING_ID;
44static EFI_GUID SProtId                = PROTOCOL_ID_ID;
45static EFI_GUID SAliasId               = ALIAS_ID;
46
47static 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
103LIST_ENTRY          GuidList;
104
105
106VOID
107InitializeGuid (
108    VOID
109    )
110{
111}
112
113INTN
114CompareGuid(
115    IN EFI_GUID     *Guid1,
116    IN EFI_GUID     *Guid2
117    )
118/*++
119
120Routine Description:
121
122    Compares to GUIDs
123
124Arguments:
125
126    Guid1       - guid to compare
127    Guid2       - guid to compare
128
129Returns:
130    = 0     if Guid1 == Guid2
131
132--*/
133{
134    return RtCompareGuid (Guid1, Guid2);
135}
136
137
138VOID
139GuidToString (
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