mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
bd42a94268
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Signed-off-by: Patrick Delaunay <patrick.delaunay73@gmail.com>
171 lines
3.6 KiB
C
171 lines
3.6 KiB
C
/*
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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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* SPDX-License-Identifier: GPL-2.0+
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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 = getenv("bootfile");
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switch (argc) {
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case 3:
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addr_str = getenv("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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setenv_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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