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 <env.h>
15 #include <image.h>
16 #include <linux/ctype.h>
17 #include <asm/byteorder.h>
18 #include <reiserfs.h>
19 #include <part.h>
20
21 #if !CONFIG_IS_ENABLED(DOS_PARTITION)
22 #error DOS partition support must be selected
23 #endif
24
25 /* #define REISER_DEBUG */
26
27 #ifdef REISER_DEBUG
28 #define PRINTF(fmt,args...) printf (fmt ,##args)
29 #else
30 #define PRINTF(fmt,args...)
31 #endif
32
do_reiserls(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])33 int do_reiserls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
34 {
35 char *filename = "/";
36 int dev, part;
37 struct blk_desc *dev_desc = NULL;
38 struct disk_partition info;
39
40 if (argc < 3)
41 return CMD_RET_USAGE;
42
43 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
44 if (part < 0)
45 return 1;
46
47 if (argc == 4) {
48 filename = argv[3];
49 }
50
51 dev = dev_desc->devnum;
52 PRINTF("Using device %s %d:%d, directory: %s\n", argv[1], dev, part, filename);
53
54 reiserfs_set_blk_dev(dev_desc, &info);
55
56 if (!reiserfs_mount(info.size)) {
57 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
58 return 1;
59 }
60
61 if (reiserfs_ls (filename)) {
62 printf ("** Error reiserfs_ls() **\n");
63 return 1;
64 };
65
66 return 0;
67 }
68
69 U_BOOT_CMD(
70 reiserls, 4, 1, do_reiserls,
71 "list files in a directory (default /)",
72 "<interface> <dev[:part]> [directory]\n"
73 " - list files from 'dev' on 'interface' in a 'directory'"
74 );
75
76 /******************************************************************************
77 * Reiserfs boot command intepreter. Derived from diskboot
78 */
do_reiserload(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])79 int do_reiserload(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
80 {
81 char *filename = NULL;
82 int dev, part;
83 ulong addr = 0, filelen;
84 struct disk_partition info;
85 struct blk_desc *dev_desc = NULL;
86 unsigned long count;
87 char *addr_str;
88
89 switch (argc) {
90 case 3:
91 addr_str = env_get("loadaddr");
92 if (addr_str != NULL) {
93 addr = simple_strtoul (addr_str, NULL, 16);
94 } else {
95 addr = CONFIG_SYS_LOAD_ADDR;
96 }
97 filename = env_get("bootfile");
98 count = 0;
99 break;
100 case 4:
101 addr = simple_strtoul (argv[3], NULL, 16);
102 filename = env_get("bootfile");
103 count = 0;
104 break;
105 case 5:
106 addr = simple_strtoul (argv[3], NULL, 16);
107 filename = argv[4];
108 count = 0;
109 break;
110 case 6:
111 addr = simple_strtoul (argv[3], NULL, 16);
112 filename = argv[4];
113 count = simple_strtoul (argv[5], NULL, 16);
114 break;
115
116 default:
117 return CMD_RET_USAGE;
118 }
119
120 if (!filename) {
121 puts ("\n** No boot file defined **\n");
122 return 1;
123 }
124
125 part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1);
126 if (part < 0)
127 return 1;
128
129 dev = dev_desc->devnum;
130
131 printf("Loading file \"%s\" from %s device %d%c%c\n",
132 filename, argv[1], dev,
133 part ? ':' : ' ', part ? part + '0' : ' ');
134
135 reiserfs_set_blk_dev(dev_desc, &info);
136
137 if (!reiserfs_mount(info.size)) {
138 printf ("** Bad Reiserfs partition or disk - %s %d:%d **\n", argv[1], dev, part);
139 return 1;
140 }
141
142 filelen = reiserfs_open(filename);
143 if (filelen < 0) {
144 printf("** File not found %s **\n", filename);
145 return 1;
146 }
147 if ((count < filelen) && (count != 0)) {
148 filelen = count;
149 }
150
151 if (reiserfs_read((char *)addr, filelen) != filelen) {
152 printf("\n** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part);
153 return 1;
154 }
155
156 /* Loading ok, update default load address */
157 image_load_addr = addr;
158
159 printf ("\n%ld bytes read\n", filelen);
160 env_set_hex("filesize", filelen);
161
162 return filelen;
163 }
164
165 U_BOOT_CMD(
166 reiserload, 6, 0, do_reiserload,
167 "load binary file from a Reiser filesystem",
168 "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
169 " - load binary file 'filename' from 'dev' on 'interface'\n"
170 " to address 'addr' from dos filesystem"
171 );
172