]>
git.ipfire.org Git - people/ms/u-boot.git/blob - cmd/part.c
2 * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
4 * made from cmd_ext2, which was:
7 * esd gmbh <www.esd-electronics.com>
8 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
10 * made from cmd_reiserfs by
12 * (C) Copyright 2003 - 2004
13 * Sysgo Real-Time Solutions, AG <www.elinos.com>
14 * Pavel Bartusek <pba@sysgo.com>
16 * SPDX-License-Identifier: GPL-2.0+
25 #ifndef CONFIG_PARTITION_UUIDS
26 #error CONFIG_PARTITION_UUIDS must be enabled for CONFIG_CMD_PART to be enabled
29 static int do_part_uuid(int argc
, char * const argv
[])
32 struct blk_desc
*dev_desc
;
33 disk_partition_t info
;
40 part
= blk_get_device_part_str(argv
[0], argv
[1], &dev_desc
, &info
, 0);
45 setenv(argv
[2], info
.uuid
);
47 printf("%s\n", info
.uuid
);
52 static int do_part_list(int argc
, char * const argv
[])
55 struct blk_desc
*desc
;
57 bool bootable
= false;
64 for (i
= 2; i
< argc
; i
++) {
65 if (argv
[i
][0] == '-') {
66 if (!strcmp(argv
[i
], "-bootable")) {
69 printf("Unknown option %s\n", argv
[i
]);
78 /* Loops should have been exited at the last argument, which
79 * as it contained the variable */
84 ret
= blk_get_device_by_str(argv
[0], argv
[1], &desc
);
90 char str
[512] = { '\0', };
91 disk_partition_t info
;
93 for (p
= 1; p
< 128; p
++) {
95 int r
= part_get_info(desc
, p
, &info
);
100 if (bootable
&& !info
.bootable
)
103 sprintf(t
, "%s%x", str
[0] ? " " : "", p
);
115 static int do_part_start(int argc
, char * const argv
[])
117 struct blk_desc
*desc
;
118 disk_partition_t info
;
119 char buf
[512] = { 0 };
125 return CMD_RET_USAGE
;
127 return CMD_RET_USAGE
;
129 part
= simple_strtoul(argv
[2], NULL
, 0);
131 ret
= blk_get_device_by_str(argv
[0], argv
[1], &desc
);
135 err
= part_get_info(desc
, part
, &info
);
139 snprintf(buf
, sizeof(buf
), LBAF
, info
.start
);
142 setenv(argv
[3], buf
);
149 static int do_part_size(int argc
, char * const argv
[])
151 struct blk_desc
*desc
;
152 disk_partition_t info
;
153 char buf
[512] = { 0 };
159 return CMD_RET_USAGE
;
161 return CMD_RET_USAGE
;
163 part
= simple_strtoul(argv
[2], NULL
, 0);
165 ret
= blk_get_device_by_str(argv
[0], argv
[1], &desc
);
169 err
= part_get_info(desc
, part
, &info
);
173 snprintf(buf
, sizeof(buf
), LBAF
, info
.size
);
176 setenv(argv
[3], buf
);
183 static int do_part(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
186 return CMD_RET_USAGE
;
188 if (!strcmp(argv
[1], "uuid"))
189 return do_part_uuid(argc
- 2, argv
+ 2);
190 else if (!strcmp(argv
[1], "list"))
191 return do_part_list(argc
- 2, argv
+ 2);
192 else if (!strcmp(argv
[1], "start"))
193 return do_part_start(argc
- 2, argv
+ 2);
194 else if (!strcmp(argv
[1], "size"))
195 return do_part_size(argc
- 2, argv
+ 2);
197 return CMD_RET_USAGE
;
201 part
, CONFIG_SYS_MAXARGS
, 1, do_part
,
202 "disk partition related commands",
203 "uuid <interface> <dev>:<part>\n"
204 " - print partition UUID\n"
205 "part uuid <interface> <dev>:<part> <varname>\n"
206 " - set environment variable to partition UUID\n"
207 "part list <interface> <dev>\n"
208 " - print a device's partition table\n"
209 "part list <interface> <dev> [flags] <varname>\n"
210 " - set environment variable to the list of partitions\n"
211 " flags can be -bootable (list only bootable partitions)\n"
212 "part start <interface> <dev> <part> <varname>\n"
213 " - set environment variable to the start of the partition (in blocks)\n"
214 "part size <interface> <dev> <part> <varname>\n"
215 " - set environment variable to the size of the partition (in blocks)"