1 /** @file
2 Definition for Device Path Tool.
3
4 Copyright (c) 2017 - 2018, Intel Corporation. All rights reserved.<BR>
5 SPDX-License-Identifier: BSD-2-Clause-Patent
6
7 **/
8
9 #include "UefiDevicePathLib.h"
10
11 //
12 // Utility Name
13 //
14 #define UTILITY_NAME "DevicePath"
15
16 //
17 // Utility version information
18 //
19 #define UTILITY_MAJOR_VERSION 0
20 #define UTILITY_MINOR_VERSION 1
21
22 EFI_GUID gEfiDebugPortProtocolGuid = DEVICE_PATH_MESSAGING_DEBUGPORT;
23 EFI_GUID gEfiPcAnsiGuid = EFI_PC_ANSI_GUID;
24 EFI_GUID gEfiVT100Guid = EFI_VT_100_GUID;
25 EFI_GUID gEfiVT100PlusGuid = EFI_VT_100_PLUS_GUID;
26 EFI_GUID gEfiVTUTF8Guid = EFI_VT_UTF8_GUID;
27 EFI_GUID gEfiUartDevicePathGuid = EFI_UART_DEVICE_PATH_GUID;
28 EFI_GUID gEfiSasDevicePathGuid = EFI_SAS_DEVICE_PATH_GUID;
29 EFI_GUID gEfiVirtualDiskGuid = EFI_VIRTUAL_DISK_GUID;
30 EFI_GUID gEfiVirtualCdGuid = EFI_VIRTUAL_CD_GUID;
31 EFI_GUID gEfiPersistentVirtualDiskGuid = EFI_PERSISTENT_VIRTUAL_DISK_GUID;
32 EFI_GUID gEfiPersistentVirtualCdGuid = EFI_PERSISTENT_VIRTUAL_CD_GUID;
33
34 STATIC
35 VOID
Version(VOID)36 Version (
37 VOID
38 )
39 /*++
40
41 Routine Description:
42
43 Displays the standard utility information to SDTOUT
44
45 Arguments:
46
47 None
48
49 Returns:
50
51 None
52
53 --*/
54 {
55 fprintf (stdout, "%s Version %d.%d %s \n", UTILITY_NAME, UTILITY_MAJOR_VERSION, UTILITY_MINOR_VERSION, __BUILD_VERSION);
56 }
57
58 STATIC
59 VOID
Usage(VOID)60 Usage (
61 VOID
62 )
63 /*++
64
65 Routine Description:
66
67 Displays the utility usage syntax to STDOUT
68
69 Arguments:
70
71 None
72
73 Returns:
74
75 None
76
77 --*/
78 {
79 //
80 // Summary usage
81 //
82 fprintf (stdout, "\nUsage: %s [options]\n\n", UTILITY_NAME);
83
84 //
85 // Copyright declaration
86 //
87 fprintf (stdout, "Copyright (c) 2017, Intel Corporation. All rights reserved.\n\n");
88 //
89 // Details Option
90 //
91 fprintf (stdout, "Options:\n");
92 fprintf (stdout, " DevicePathString Device Path string is specified, no space character.\n"
93 " Example: \"PciRoot(0)/Pci(0,0)\"\n");
94
95 fprintf (stdout, " --version Show program's version number and exit.\n");
96 fprintf (stdout, " -h, --help Show this help message and exit.\n");
97 }
98
99
100 STATIC
101 VOID
PrintMem(CONST VOID * Buffer,UINTN Count)102 PrintMem (
103 CONST VOID *Buffer,
104 UINTN Count
105 )
106 {
107 CONST UINT8 *Bytes;
108 UINTN Idx;
109
110 Bytes = Buffer;
111 for (Idx = 0; Idx < Count; Idx++) {
112 printf("0x%02x ", Bytes[Idx]);
113 }
114 }
115
116 VOID
Ascii2UnicodeString(CHAR8 * String,CHAR16 * UniString)117 Ascii2UnicodeString (
118 CHAR8 *String,
119 CHAR16 *UniString
120 )
121 /*++
122
123 Routine Description:
124
125 Write ascii string as unicode string format to FILE
126
127 Arguments:
128
129 String - Pointer to string that is written to FILE.
130 UniString - Pointer to unicode string
131
132 Returns:
133
134 NULL
135
136 --*/
137 {
138 while (*String != '\0') {
139 *(UniString++) = (CHAR16) *(String++);
140 }
141 //
142 // End the UniString with a NULL.
143 //
144 *UniString = '\0';
145 }
146
main(int argc,CHAR8 * argv[])147 int main(int argc, CHAR8 *argv[])
148 {
149 CHAR8 * Str;
150 CHAR16* Str16;
151 EFI_DEVICE_PATH_PROTOCOL *DevicePath;
152
153 if (argc == 1) {
154 Error (NULL, 0, 1001, "Missing options", "No input options specified.");
155 Usage ();
156 return STATUS_ERROR;
157 }
158 if ((stricmp (argv[1], "-h") == 0) || (stricmp (argv[1], "--help") == 0)) {
159 Version ();
160 Usage ();
161 return STATUS_SUCCESS;
162 }
163
164 if (stricmp (argv[1], "--version") == 0) {
165 Version ();
166 return STATUS_SUCCESS;
167 }
168 Str = argv[1];
169 if (Str == NULL) {
170 fprintf(stderr, "Invalid option value, Device Path can't be NULL");
171 return STATUS_ERROR;
172 }
173 Str16 = (CHAR16 *)malloc(1024);
174 if (Str16 == NULL) {
175 fprintf(stderr, "Resource, memory cannot be allocated");
176 return STATUS_ERROR;
177 }
178 Ascii2UnicodeString(Str, Str16);
179 DevicePath = UefiDevicePathLibConvertTextToDevicePath(Str16);
180 if (DevicePath == NULL) {
181 fprintf(stderr, "Convert fail, Cannot convert text to a device path");
182 free(Str16);
183 return STATUS_ERROR;
184 }
185 while (!((DevicePath->Type == END_DEVICE_PATH_TYPE) && (DevicePath->SubType == END_ENTIRE_DEVICE_PATH_SUBTYPE)) )
186 {
187 PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8);
188 DevicePath = (EFI_DEVICE_PATH_PROTOCOL *)((UINT8 *)DevicePath + (DevicePath->Length[0] | DevicePath->Length[1] << 8));
189 }
190 PrintMem (DevicePath, DevicePath->Length[0] | DevicePath->Length[1] << 8);
191 putchar('\n');
192 free(Str16);
193 return STATUS_SUCCESS;
194 }
195