3 * ZFS filesystem porting to Uboot by
4 * Jorgen Lundman <lundman at lundman.net>
7 * made from existing GRUB Sources by Sun, GNU and others.
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
31 #include <linux/ctype.h>
32 #include <asm/byteorder.h>
33 #include <zfs_common.h>
34 #include <linux/stat.h>
37 #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE)
41 #if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION)
42 #error DOS or EFI partition support must be selected
45 #define DOS_PART_MAGIC_OFFSET 0x1fe
46 #define DOS_FS_TYPE_OFFSET 0x36
47 #define DOS_FS32_TYPE_OFFSET 0x52
49 static int do_zfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
51 char *filename = NULL;
55 disk_partition_t info;
56 block_dev_desc_t *dev_desc;
60 struct zfs_file zfile;
67 addr = simple_strtoul(argv[3], NULL, 16);
68 filename = getenv("bootfile");
71 addr_str = getenv("loadaddr");
73 addr = simple_strtoul(addr_str, NULL, 16);
75 addr = CONFIG_SYS_LOAD_ADDR;
85 count = simple_strtoul(argv[5], NULL, 16);
89 return cmd_usage(cmdtp);
93 puts("** No boot file defined **\n");
97 part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
102 printf("Loading file \"%s\" from %s device %d%c%c\n",
103 filename, argv[1], dev,
104 part ? ':' : ' ', part ? part + '0' : ' ');
106 zfs_set_blk_dev(dev_desc, &info);
107 vdev.part_length = info.size;
109 memset(&zfile, 0, sizeof(zfile));
110 zfile.device = &vdev;
111 if (zfs_open(&zfile, filename)) {
112 printf("** File not found %s\n", filename);
116 if ((count < zfile.size) && (count != 0))
117 zfile.size = (uint64_t)count;
119 if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) {
120 printf("** Unable to read \"%s\" from %s %d:%d **\n",
121 filename, argv[1], dev, part);
128 /* Loading ok, update default load address */
131 printf("%llu bytes read\n", zfile.size);
132 setenv_hex("filesize", zfile.size);
138 int zfs_print(const char *entry, const struct zfs_dirhook_info *data)
141 data->dir ? "<DIR> " : " ",
143 return 0; /* 0 continue, 1 stop */
148 static int do_zfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
150 const char *filename = "/";
152 block_dev_desc_t *dev_desc;
153 disk_partition_t info;
154 struct device_s vdev;
157 return cmd_usage(cmdtp);
162 part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
166 zfs_set_blk_dev(dev_desc, &info);
167 vdev.part_length = info.size;
169 zfs_ls(&vdev, filename,
176 U_BOOT_CMD(zfsls, 4, 1, do_zfs_ls,
177 "list files in a directory (default /)",
178 "<interface> <dev[:part]> [directory]\n"
179 " - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'");
181 U_BOOT_CMD(zfsload, 6, 0, do_zfs_load,
182 "load binary file from a ZFS filesystem",
183 "<interface> <dev[:part]> [addr] [filename] [bytes]\n"
184 " - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n"
185 " to address 'addr' from ZFS filesystem");