1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2008
4 * Stefan Roese, DENX Software Engineering, sr@denx.de.
5 */
6
7 /*
8 * UBIFS command support
9 */
10
11 #undef DEBUG
12
13 #include <config.h>
14 #include <command.h>
15 #include <log.h>
16 #include <ubifs_uboot.h>
17 #include <vsprintf.h>
18
19 static int ubifs_initialized;
20 static int ubifs_mounted;
21
cmd_ubifs_mount(char * vol_name)22 int cmd_ubifs_mount(char *vol_name)
23 {
24 int ret;
25
26 debug("Using volume %s\n", vol_name);
27
28 if (ubifs_initialized == 0) {
29 ubifs_init();
30 ubifs_initialized = 1;
31 }
32
33 ret = uboot_ubifs_mount(vol_name);
34 if (ret)
35 return CMD_RET_FAILURE;
36
37 ubifs_mounted = 1;
38
39 return ret;
40 }
41
do_ubifs_mount(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])42 static int do_ubifs_mount(struct cmd_tbl *cmdtp, int flag, int argc,
43 char *const argv[])
44 {
45 char *vol_name;
46
47 if (argc != 2)
48 return CMD_RET_USAGE;
49
50 vol_name = argv[1];
51
52 return cmd_ubifs_mount(vol_name);
53 }
54
ubifs_is_mounted(void)55 int ubifs_is_mounted(void)
56 {
57 return ubifs_mounted;
58 }
59
cmd_ubifs_umount(void)60 int cmd_ubifs_umount(void)
61 {
62 if (ubifs_initialized == 0) {
63 printf("No UBIFS volume mounted!\n");
64 return CMD_RET_FAILURE;
65 }
66
67 uboot_ubifs_umount();
68 ubifs_mounted = 0;
69 ubifs_initialized = 0;
70
71 return 0;
72 }
73
do_ubifs_umount(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])74 static int do_ubifs_umount(struct cmd_tbl *cmdtp, int flag, int argc,
75 char *const argv[])
76 {
77 if (argc != 1)
78 return CMD_RET_USAGE;
79
80 return cmd_ubifs_umount();
81 }
82
do_ubifs_ls(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])83 static int do_ubifs_ls(struct cmd_tbl *cmdtp, int flag, int argc,
84 char *const argv[])
85 {
86 char *filename = "/";
87 int ret;
88
89 if (!ubifs_mounted) {
90 printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
91 return CMD_RET_FAILURE;
92 }
93
94 if (argc == 2)
95 filename = argv[1];
96 debug("Using filename %s\n", filename);
97
98 ret = ubifs_ls(filename);
99 if (ret) {
100 printf("** File not found %s **\n", filename);
101 ret = CMD_RET_FAILURE;
102 }
103
104 return ret;
105 }
106
do_ubifs_load(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])107 static int do_ubifs_load(struct cmd_tbl *cmdtp, int flag, int argc,
108 char *const argv[])
109 {
110 char *filename;
111 char *endp;
112 int ret;
113 unsigned long addr;
114 u32 size = 0;
115
116 if (!ubifs_mounted) {
117 printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
118 return CMD_RET_FAILURE;
119 }
120
121 if (argc < 3)
122 return CMD_RET_USAGE;
123
124 addr = hextoul(argv[1], &endp);
125 if (endp == argv[1])
126 return CMD_RET_USAGE;
127
128 filename = argv[2];
129
130 if (argc == 4) {
131 size = hextoul(argv[3], &endp);
132 if (endp == argv[3])
133 return CMD_RET_USAGE;
134 }
135 debug("Loading file '%s' to address 0x%08lx (size %d)\n", filename, addr, size);
136
137 ret = ubifs_load(filename, addr, size);
138 if (ret) {
139 printf("** File not found %s **\n", filename);
140 ret = CMD_RET_FAILURE;
141 }
142
143 return ret;
144 }
145
146 U_BOOT_CMD(
147 ubifsmount, 2, 0, do_ubifs_mount,
148 "mount UBIFS volume",
149 "<volume-name>\n"
150 " - mount 'volume-name' volume"
151 );
152
153 U_BOOT_CMD(
154 ubifsumount, 1, 0, do_ubifs_umount,
155 "unmount UBIFS volume",
156 " - unmount current volume"
157 );
158
159 U_BOOT_CMD(
160 ubifsls, 2, 0, do_ubifs_ls,
161 "list files in a directory",
162 "[directory]\n"
163 " - list files in a 'directory' (default '/')"
164 );
165
166 U_BOOT_CMD(
167 ubifsload, 4, 0, do_ubifs_load,
168 "load file from an UBIFS filesystem",
169 "<addr> <filename> [bytes]\n"
170 " - load file 'filename' to address 'addr'"
171 );
172