1 | /*
|
---|
2 | * volume_id - reads filesystem label and uuid
|
---|
3 | *
|
---|
4 | * Copyright (C) 2004 Kay Sievers <kay.sievers@vrfy.org>
|
---|
5 | *
|
---|
6 | * This library is free software; you can redistribute it and/or
|
---|
7 | * modify it under the terms of the GNU Lesser General Public
|
---|
8 | * License as published by the Free Software Foundation; either
|
---|
9 | * version 2.1 of the License, or (at your option) any later version.
|
---|
10 | *
|
---|
11 | * This library is distributed in the hope that it will be useful,
|
---|
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
---|
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
---|
14 | * Lesser General Public License for more details.
|
---|
15 | *
|
---|
16 | * You should have received a copy of the GNU Lesser General Public
|
---|
17 | * License along with this library; if not, write to the Free Software
|
---|
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
---|
19 | */
|
---|
20 |
|
---|
21 | #include "volume_id_internal.h"
|
---|
22 |
|
---|
23 | struct romfs_super {
|
---|
24 | uint8_t magic[8];
|
---|
25 | uint32_t size;
|
---|
26 | uint32_t checksum;
|
---|
27 | uint8_t name[];
|
---|
28 | } PACKED;
|
---|
29 |
|
---|
30 | int FAST_FUNC volume_id_probe_romfs(struct volume_id *id /*,uint64_t off*/)
|
---|
31 | {
|
---|
32 | #define off ((uint64_t)0)
|
---|
33 | struct romfs_super *rfs;
|
---|
34 |
|
---|
35 | dbg("probing at offset 0x%llx", (unsigned long long) off);
|
---|
36 |
|
---|
37 | rfs = volume_id_get_buffer(id, off, 0x200);
|
---|
38 | if (rfs == NULL)
|
---|
39 | return -1;
|
---|
40 |
|
---|
41 | if (memcmp(rfs->magic, "-rom1fs-", 4) == 0) {
|
---|
42 | size_t len = strlen((char *)rfs->name);
|
---|
43 |
|
---|
44 | if (len) {
|
---|
45 | // volume_id_set_label_raw(id, rfs->name, len);
|
---|
46 | volume_id_set_label_string(id, rfs->name, len);
|
---|
47 | }
|
---|
48 |
|
---|
49 | // volume_id_set_usage(id, VOLUME_ID_FILESYSTEM);
|
---|
50 | // id->type = "romfs";
|
---|
51 | return 0;
|
---|
52 | }
|
---|
53 |
|
---|
54 | return -1;
|
---|
55 | }
|
---|