1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2003 - 2004
4 * Sysgo Real-Time Solutions, AG <www.elinos.com>
5 * Pavel Bartusek <pba@sysgo.com>
6 */
7
8 /*
9 * Reiserfs support
10 */
11 #include <common.h>
12 #include <config.h>
13 #include <command.h>
14 #include <image.h>
15 #include <linux/ctype.h>
16 #include <asm/byteorder.h>
17 #include <reiserfs.h>
18 #include <part.h>
19
20 #if !CONFIG_IS_ENABLED(DOS_PARTITION)
21 #error DOS partition support must be selected
22 #endif
23
24 /* #define REISER_DEBUG */
25
26 #ifdef REISER_DEBUG
27 #define PRINTF(fmt,args...) printf (fmt ,##args)
28 #else
29 #define PRINTF(fmt,args...)
30 #endif
31
do_reiserls(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])32 int do_reiserls (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
33 {
34 char *filename = "/";
35 int dev, part;
36 struct blk_desc *dev_desc = NULL;
37 disk_partition_t info;
38
39 if (argc < 3)
40 return CMD_RET_USAGE;
41
42 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
43 if (part < 0)
44 return 1;
45
46 if (argc == 4) {
47 filename = argv[3];
48 }
49
50 dev = dev_desc->devnum;
51 PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
52
53 reiserfs_set_blk_dev(dev_desc, &info);
54
55 if (!reiserfs_mount(info.size)) {
56 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
57 return 1;
58 }
59
60 if (reiserfs_ls (filename)) {
61 printf ("** Error reiserfs_ls() **\n");
62 return 1;
63 };
64
65 return 0;
66 }
67
68 U_BOOT_CMD(
69 reiserls, 4, 1, do_reiserls,
70 "list files in a directory (default /)",
71 "<interface> <dev[:part]> [directory]\n"
72 " - list files from 'dev' on 'interface' in a 'directory'"
73 );
74
75 /******************************************************************************
76 * Reiserfs boot command intepreter. Derived from diskboot
77 */
do_reiserload(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])78 int do_reiserload (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
79 {
80 char *filename = NULL;
81 int dev, part;
82 ulong addr = 0, filelen;
83 disk_partition_t info;
84 struct blk_desc *dev_desc = NULL;
85 unsigned long count;
86 char *addr_str;
87
88 switch (argc) {
89 case 3:
90 addr_str = env_get("loadaddr");
91 if (addr_str != NULL) {
92 addr = simple_strtoul (addr_str, NULL, 16);
93 } else {
94 addr = CONFIG_SYS_LOAD_ADDR;
95 }
96 filename = env_get("bootfile");
97 count = 0;
98 break;
99 case 4:
100 addr = simple_strtoul (argv[3], NULL, 16);
101 filename = env_get("bootfile");
102 count = 0;
103 break;
104 case 5:
105 addr = simple_strtoul (argv[3], NULL, 16);
106 filename = argv[4];
107 count = 0;
108 break;
109 case 6:
110 addr = simple_strtoul (argv[3], NULL, 16);
111 filename = argv[4];
112 count = simple_strtoul (argv[5], NULL, 16);
113 break;
114
115 default:
116 return CMD_RET_USAGE;
117 }
118
119 if (!filename) {
120 puts ("\n** No boot file defined **\n");
121 return 1;
122 }
123
124 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
125 if (part < 0)
126 return 1;
127
128 dev = dev_desc->devnum;
129
130 printf("Loading file \"%s\" from %s device %d%c%c\n",
131 filename, argv[1], dev,
132 part ? ':' : ' ', part ? part + '0' : ' ');
133
134 reiserfs_set_blk_dev(dev_desc, &info);
135
136 if (!reiserfs_mount(info.size)) {
137 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
138 return 1;
139 }
140
141 filelen = reiserfs_open(filename);
142 if (filelen < 0) {
143 printf("** File not found %s **\n", filename);
144 return 1;
145 }
146 if ((count < filelen) && (count != 0)) {
147 filelen = count;
148 }
149
150 if (reiserfs_read((char *)addr, filelen) != filelen) {
151 printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
152 return 1;
153 }
154
155 /* Loading ok, update default load address */
156 load_addr = addr;
157
158 printf ("\n%ld bytes read\n", filelen);
159 env_set_hex("filesize", filelen);
160
161 return filelen;
162 }
163
164 U_BOOT_CMD(
165 reiserload, 6, 0, do_reiserload,
166 "load binary file from a Reiser filesystem",
167 "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
168 " - load binary file 'filename' from 'dev' on 'interface'\n"
169 " to address 'addr' from dos filesystem"
170 );
171