mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 08:58:52 +09:00
![Simon Glass](/assets/img/avatar_default.png)
We are now using an env_ prefix for environment functions. Rename these two functions for consistency. Also add function comments in common.h. Quite a few places use getenv() in a condition context, provoking a warning from checkpatch. These are fixed up in this patch also. Suggested-by: Wolfgang Denk <wd@denx.de> Signed-off-by: Simon Glass <sjg@chromium.org>
172 lines
3.6 KiB
C
172 lines
3.6 KiB
C
/*
|
|
*
|
|
* ZFS filesystem porting to Uboot by
|
|
* Jorgen Lundman <lundman at lundman.net>
|
|
*
|
|
* zfsfs support
|
|
* made from existing GRUB Sources by Sun, GNU and others.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <part.h>
|
|
#include <config.h>
|
|
#include <command.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(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
char *filename = NULL;
|
|
int dev;
|
|
int part;
|
|
ulong addr = 0;
|
|
disk_partition_t info;
|
|
struct blk_desc *dev_desc;
|
|
char buf[12];
|
|
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 = simple_strtoul(argv[3], NULL, 16);
|
|
filename = env_get("bootfile");
|
|
switch (argc) {
|
|
case 3:
|
|
addr_str = env_get("loadaddr");
|
|
if (addr_str != NULL)
|
|
addr = simple_strtoul(addr_str, NULL, 16);
|
|
else
|
|
addr = CONFIG_SYS_LOAD_ADDR;
|
|
|
|
break;
|
|
case 4:
|
|
break;
|
|
case 5:
|
|
filename = argv[4];
|
|
break;
|
|
case 6:
|
|
filename = argv[4];
|
|
count = simple_strtoul(argv[5], NULL, 16);
|
|
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 */
|
|
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(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
const char *filename = "/";
|
|
int part;
|
|
struct blk_desc *dev_desc;
|
|
disk_partition_t 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");
|