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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | // SPDX-License-Identifier: GPL-2.0+ /* * * ZFS filesystem porting to Uboot by * Jorgen Lundman <lundman at lundman.net> * * zfsfs support * made from existing GRUB Sources by Sun, GNU and others. */ #include <part.h> #include <config.h> #include <command.h> #include <env.h> #include <image.h> #include <linux/ctype.h> #include <asm/byteorder.h> #include <zfs_common.h> #include <linux/stat.h> #include <malloc.h> #if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE) #include <usb.h> #endif #if !CONFIG_IS_ENABLED(DOS_PARTITION) && !CONFIG_IS_ENABLED(EFI_PARTITION) #error DOS or EFI partition support must be selected #endif #define DOS_PART_MAGIC_OFFSET 0x1fe #define DOS_FS_TYPE_OFFSET 0x36 #define DOS_FS32_TYPE_OFFSET 0x52 static int do_zfs_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { char *filename = NULL; int dev; int part; ulong addr = 0; struct disk_partition info; struct blk_desc *dev_desc; unsigned long count; const char *addr_str; struct zfs_file zfile; struct device_s vdev; if (argc < 3) return CMD_RET_USAGE; count = 0; addr = hextoul(argv[3], NULL); filename = env_get("bootfile"); switch (argc) { case 3: addr_str = env_get("loadaddr"); if (addr_str != NULL) addr = hextoul(addr_str, NULL); else addr = CONFIG_SYS_LOAD_ADDR; break; case 4: break; case 5: filename = argv[4]; break; case 6: filename = argv[4]; count = hextoul(argv[5], NULL); break; default: return cmd_usage(cmdtp); } if (!filename) { puts("** No boot file defined **\n"); return 1; } part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); if (part < 0) return 1; dev = dev_desc->devnum; printf("Loading file \"%s\" from %s device %d%c%c\n", filename, argv[1], dev, part ? ':' : ' ', part ? part + '0' : ' '); zfs_set_blk_dev(dev_desc, &info); vdev.part_length = info.size; memset(&zfile, 0, sizeof(zfile)); zfile.device = &vdev; if (zfs_open(&zfile, filename)) { printf("** File not found %s **\n", filename); return 1; } if ((count < zfile.size) && (count != 0)) zfile.size = (uint64_t)count; if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) { printf("** Unable to read \"%s\" from %s %d:%d **\n", filename, argv[1], dev, part); zfs_close(&zfile); return 1; } zfs_close(&zfile); /* Loading ok, update default load address */ image_load_addr = addr; printf("%llu bytes read\n", zfile.size); env_set_hex("filesize", zfile.size); return 0; } int zfs_print(const char *entry, const struct zfs_dirhook_info *data) { printf("%s %s\n", data->dir ? "<DIR> " : " ", entry); return 0; /* 0 continue, 1 stop */ } static int do_zfs_ls(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[]) { const char *filename = "/"; int part; struct blk_desc *dev_desc; struct disk_partition info; struct device_s vdev; if (argc < 2) return cmd_usage(cmdtp); if (argc == 4) filename = argv[3]; part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); if (part < 0) return 1; zfs_set_blk_dev(dev_desc, &info); vdev.part_length = info.size; zfs_ls(&vdev, filename, zfs_print); return 0; } U_BOOT_CMD(zfsls, 4, 1, do_zfs_ls, "list files in a directory (default /)", "<interface> <dev[:part]> [directory]\n" " - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'"); U_BOOT_CMD(zfsload, 6, 0, do_zfs_load, "load binary file from a ZFS filesystem", "<interface> <dev[:part]> [addr] [filename] [bytes]\n" " - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n" " to address 'addr' from ZFS filesystem"); |