xref: /openbmc/u-boot/cmd/ubifs.c (revision b419e87287ddb26ed991a64b2b14db7841b5f8c6)
1  /*
2   * (C) Copyright 2008
3   * Stefan Roese, DENX Software Engineering, sr@denx.de.
4   *
5   * SPDX-License-Identifier:	GPL-2.0+
6   */
7  
8  
9  /*
10   * UBIFS command support
11   */
12  
13  #undef DEBUG
14  
15  #include <common.h>
16  #include <config.h>
17  #include <command.h>
18  #include <ubifs_uboot.h>
19  
20  static int ubifs_initialized;
21  static int ubifs_mounted;
22  
23  static int do_ubifs_mount(cmd_tbl_t *cmdtp, int flag, int argc,
24  				char * const argv[])
25  {
26  	char *vol_name;
27  	int ret;
28  
29  	if (argc != 2)
30  		return CMD_RET_USAGE;
31  
32  	vol_name = argv[1];
33  	debug("Using volume %s\n", vol_name);
34  
35  	if (ubifs_initialized == 0) {
36  		ubifs_init();
37  		ubifs_initialized = 1;
38  	}
39  
40  	ret = uboot_ubifs_mount(vol_name);
41  	if (ret)
42  		return -1;
43  
44  	ubifs_mounted = 1;
45  
46  	return 0;
47  }
48  
49  int ubifs_is_mounted(void)
50  {
51  	return ubifs_mounted;
52  }
53  
54  void cmd_ubifs_umount(void)
55  {
56  	uboot_ubifs_umount();
57  	ubifs_mounted = 0;
58  	ubifs_initialized = 0;
59  }
60  
61  static int do_ubifs_umount(cmd_tbl_t *cmdtp, int flag, int argc,
62  				char * const argv[])
63  {
64  	if (argc != 1)
65  		return CMD_RET_USAGE;
66  
67  	if (ubifs_initialized == 0) {
68  		printf("No UBIFS volume mounted!\n");
69  		return -1;
70  	}
71  
72  	cmd_ubifs_umount();
73  
74  	return 0;
75  }
76  
77  static int do_ubifs_ls(cmd_tbl_t *cmdtp, int flag, int argc,
78  			char * const argv[])
79  {
80  	char *filename = "/";
81  	int ret;
82  
83  	if (!ubifs_mounted) {
84  		printf("UBIFS not mounted, use ubifsmount to mount volume first!\n");
85  		return -1;
86  	}
87  
88  	if (argc == 2)
89  		filename = argv[1];
90  	debug("Using filename %s\n", filename);
91  
92  	ret = ubifs_ls(filename);
93  	if (ret) {
94  		printf("** File not found %s **\n", filename);
95  		ret = CMD_RET_FAILURE;
96  	}
97  
98  	return ret;
99  }
100  
101  static int do_ubifs_load(cmd_tbl_t *cmdtp, int flag, int argc,
102  				char * const argv[])
103  {
104  	char *filename;
105  	char *endp;
106  	int ret;
107  	u32 addr;
108  	u32 size = 0;
109  
110  	if (!ubifs_mounted) {
111  		printf("UBIFS not mounted, use ubifs mount to mount volume first!\n");
112  		return -1;
113  	}
114  
115  	if (argc < 3)
116  		return CMD_RET_USAGE;
117  
118  	addr = simple_strtoul(argv[1], &endp, 16);
119  	if (endp == argv[1])
120  		return CMD_RET_USAGE;
121  
122  	filename = argv[2];
123  
124  	if (argc == 4) {
125  		size = simple_strtoul(argv[3], &endp, 16);
126  		if (endp == argv[3])
127  			return CMD_RET_USAGE;
128  	}
129  	debug("Loading file '%s' to address 0x%08x (size %d)\n", filename, addr, size);
130  
131  	ret = ubifs_load(filename, addr, size);
132  	if (ret) {
133  		printf("** File not found %s **\n", filename);
134  		ret = CMD_RET_FAILURE;
135  	}
136  
137  	return ret;
138  }
139  
140  U_BOOT_CMD(
141  	ubifsmount, 2, 0, do_ubifs_mount,
142  	"mount UBIFS volume",
143  	"<volume-name>\n"
144  	"    - mount 'volume-name' volume"
145  );
146  
147  U_BOOT_CMD(
148  	ubifsumount, 1, 0, do_ubifs_umount,
149  	"unmount UBIFS volume",
150  	"    - unmount current volume"
151  );
152  
153  U_BOOT_CMD(
154  	ubifsls, 2, 0, do_ubifs_ls,
155  	"list files in a directory",
156  	"[directory]\n"
157  	"    - list files in a 'directory' (default '/')"
158  );
159  
160  U_BOOT_CMD(
161  	ubifsload, 4, 0, do_ubifs_load,
162  	"load file from an UBIFS filesystem",
163  	"<addr> <filename> [bytes]\n"
164  	"    - load file 'filename' to address 'addr'"
165  );
166