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170 lines
3.6 KiB
170 lines
3.6 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* |
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* ZFS filesystem porting to Uboot by |
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* Jorgen Lundman <lundman at lundman.net> |
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* |
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* zfsfs support |
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* made from existing GRUB Sources by Sun, GNU and others. |
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*/ |
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#include <common.h> |
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#include <part.h> |
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#include <config.h> |
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#include <command.h> |
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#include <image.h> |
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#include <linux/ctype.h> |
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#include <asm/byteorder.h> |
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#include <zfs_common.h> |
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#include <linux/stat.h> |
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#include <malloc.h> |
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#if defined(CONFIG_CMD_USB) && defined(CONFIG_USB_STORAGE) |
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#include <usb.h> |
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#endif |
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#if !CONFIG_IS_ENABLED(DOS_PARTITION) && !CONFIG_IS_ENABLED(EFI_PARTITION) |
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#error DOS or EFI partition support must be selected |
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#endif |
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#define DOS_PART_MAGIC_OFFSET 0x1fe |
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#define DOS_FS_TYPE_OFFSET 0x36 |
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#define DOS_FS32_TYPE_OFFSET 0x52 |
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static int do_zfs_load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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char *filename = NULL; |
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int dev; |
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int part; |
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ulong addr = 0; |
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disk_partition_t info; |
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struct blk_desc *dev_desc; |
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char buf[12]; |
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unsigned long count; |
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const char *addr_str; |
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struct zfs_file zfile; |
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struct device_s vdev; |
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if (argc < 3) |
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return CMD_RET_USAGE; |
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count = 0; |
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addr = simple_strtoul(argv[3], NULL, 16); |
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filename = env_get("bootfile"); |
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switch (argc) { |
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case 3: |
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addr_str = env_get("loadaddr"); |
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if (addr_str != NULL) |
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addr = simple_strtoul(addr_str, NULL, 16); |
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else |
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addr = CONFIG_SYS_LOAD_ADDR; |
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break; |
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case 4: |
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break; |
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case 5: |
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filename = argv[4]; |
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break; |
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case 6: |
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filename = argv[4]; |
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count = simple_strtoul(argv[5], NULL, 16); |
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break; |
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default: |
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return cmd_usage(cmdtp); |
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} |
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if (!filename) { |
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puts("** No boot file defined **\n"); |
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return 1; |
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} |
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part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); |
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if (part < 0) |
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return 1; |
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dev = dev_desc->devnum; |
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printf("Loading file \"%s\" from %s device %d%c%c\n", |
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filename, argv[1], dev, |
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part ? ':' : ' ', part ? part + '0' : ' '); |
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zfs_set_blk_dev(dev_desc, &info); |
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vdev.part_length = info.size; |
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memset(&zfile, 0, sizeof(zfile)); |
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zfile.device = &vdev; |
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if (zfs_open(&zfile, filename)) { |
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printf("** File not found %s **\n", filename); |
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return 1; |
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} |
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if ((count < zfile.size) && (count != 0)) |
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zfile.size = (uint64_t)count; |
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if (zfs_read(&zfile, (char *)addr, zfile.size) != zfile.size) { |
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printf("** Unable to read \"%s\" from %s %d:%d **\n", |
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filename, argv[1], dev, part); |
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zfs_close(&zfile); |
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return 1; |
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} |
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zfs_close(&zfile); |
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/* Loading ok, update default load address */ |
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load_addr = addr; |
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printf("%llu bytes read\n", zfile.size); |
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env_set_hex("filesize", zfile.size); |
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return 0; |
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} |
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int zfs_print(const char *entry, const struct zfs_dirhook_info *data) |
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{ |
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printf("%s %s\n", |
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data->dir ? "<DIR> " : " ", |
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entry); |
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return 0; /* 0 continue, 1 stop */ |
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} |
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static int do_zfs_ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
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{ |
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const char *filename = "/"; |
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int part; |
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struct blk_desc *dev_desc; |
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disk_partition_t info; |
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struct device_s vdev; |
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if (argc < 2) |
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return cmd_usage(cmdtp); |
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if (argc == 4) |
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filename = argv[3]; |
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part = blk_get_device_part_str(argv[1], argv[2], &dev_desc, &info, 1); |
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if (part < 0) |
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return 1; |
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zfs_set_blk_dev(dev_desc, &info); |
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vdev.part_length = info.size; |
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zfs_ls(&vdev, filename, |
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zfs_print); |
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return 0; |
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} |
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U_BOOT_CMD(zfsls, 4, 1, do_zfs_ls, |
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"list files in a directory (default /)", |
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"<interface> <dev[:part]> [directory]\n" |
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" - list files from 'dev' on 'interface' in a '/DATASET/@/$dir/'"); |
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U_BOOT_CMD(zfsload, 6, 0, do_zfs_load, |
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"load binary file from a ZFS filesystem", |
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"<interface> <dev[:part]> [addr] [filename] [bytes]\n" |
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" - load binary file '/DATASET/@/$dir/$file' from 'dev' on 'interface'\n" |
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" to address 'addr' from ZFS filesystem");
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