Exemplo n.º 1
0
static int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
{
	const char *filename = "/";
	int dev;
	unsigned long part = 1;
	char *ep;
	struct ext_filesystem *fs;
	int part_length;

	if (argc < 3)
		return cmd_usage(cmdtp);

	dev = (int)simple_strtoul(argv[2], &ep, 16);
	ext4_dev_desc = get_dev(argv[1], dev);

	if (ext4_dev_desc == NULL) {
		printf("\n** Block device %s %d not supported\n", argv[1], dev);
		return 1;
	}

	if (init_fs(ext4_dev_desc))
		return 1;

	fs = get_fs();
	if (*ep) {
		if (*ep != ':') {
			puts("\n** Invalid boot device, use `dev[:part]' **\n");
			return 1;
		}
		part = simple_strtoul(++ep, NULL, 16);
	}

	if (argc == 4)
		filename = argv[3];

	part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
	if (part_length == 0) {
		printf("** Bad partition - %s %d:%lu **\n", argv[1], dev, part);
		ext4fs_close();
		return 1;
	}

	if (!ext4fs_mount(part_length)) {
		printf("** Bad ext2 partition or disk - %s %d:%lu **\n",
		       argv[1], dev, part);
		ext4fs_close();
		return 1;
	}
	if (ext4fs_ls(filename)) {
		printf("** Error ext2fs_ls() **\n");
		ext4fs_close();
		return 1;
	};

	ext4fs_close();
	deinit_fs(fs->dev_desc);

	return 0;
}
Exemplo n.º 2
0
int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
				char *const argv[])
{
#if 0
	const char *filename = "/";
	int dev, part;
	unsigned long ram_address;
	unsigned long file_size;
	disk_partition_t info;
	block_dev_desc_t *dev_desc;

	if (argc < 6)
		return cmd_usage(cmdtp);

	part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info, 1);
	if (part < 0)
		return 1;

	dev = dev_desc->dev;

	/* get the filename */
	filename = argv[4];

	/* get the address in hexadecimal format (string to int) */
	ram_address = simple_strtoul(argv[3], NULL, 16);

	/* get the filesize in base 10 format */
	file_size = simple_strtoul(argv[5], NULL, 10);

	/* set the device as block device */
	ext4fs_set_blk_dev(dev_desc, &info);

	/* mount the filesystem */
	if (!ext4fs_mount(info.size)) {
		printf("Bad ext4 partition %s %d:%d\n", argv[1], dev, part);
		goto fail;
	}

	/* start write */
	if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) {
		printf("** Error ext4fs_write() **\n");
		goto fail;
	}
	ext4fs_close();

	return 0;

fail:
	ext4fs_close();

	return 1;
#endif
	return 0;
}
Exemplo n.º 3
0
static int env_ext4_load(void)
{
	ALLOC_CACHE_ALIGN_BUFFER(char, buf, CONFIG_ENV_SIZE);
	struct blk_desc *dev_desc = NULL;
	disk_partition_t info;
	int dev, part;
	int err;
	loff_t off;

#ifdef CONFIG_MMC
	if (!strcmp(CONFIG_ENV_EXT4_INTERFACE, "mmc"))
		mmc_initialize(NULL);
#endif

	part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE,
				       CONFIG_ENV_EXT4_DEVICE_AND_PART,
				       &dev_desc, &info, 1);
	if (part < 0)
		goto err_env_relocate;

	dev = dev_desc->devnum;
	ext4fs_set_blk_dev(dev_desc, &info);

	if (!ext4fs_mount(info.size)) {
		printf("\n** Unable to use %s %s for loading the env **\n",
		       CONFIG_ENV_EXT4_INTERFACE,
		       CONFIG_ENV_EXT4_DEVICE_AND_PART);
		goto err_env_relocate;
	}

	err = ext4_read_file(CONFIG_ENV_EXT4_FILE, buf, 0, CONFIG_ENV_SIZE,
			     &off);
	ext4fs_close();

	if (err == -1) {
		printf("\n** Unable to read \"%s\" from %s%d:%d **\n",
			CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev,
			part);
		goto err_env_relocate;
	}

	return env_import(buf, 1);

err_env_relocate:
	set_default_env(NULL, 0);

	return -EIO;
}
Exemplo n.º 4
0
int saveenv(void)
{
	env_t	env_new;
	ssize_t	len;
	char	*res;
	block_dev_desc_t *dev_desc = NULL;
	int dev = EXT4_ENV_DEVICE;
	int part = EXT4_ENV_PART;
	int err;

	res = (char *)&env_new.data;
	len = hexport_r(&env_htab, '\0', 0, &res, ENV_SIZE, 0, NULL);
	if (len < 0) {
		error("Cannot export environment: errno = %d\n", errno);
		return 1;
	}

	dev_desc = get_dev(EXT4_ENV_INTERFACE, dev);
	if (dev_desc == NULL) {
		printf("Failed to find %s%d\n",
			EXT4_ENV_INTERFACE, dev);
		return 1;
	}

	err = ext4_register_device(dev_desc, part);
	if (err) {
		printf("Failed to register %s%d:%d\n",
			EXT4_ENV_INTERFACE, dev, part);
		return 1;
	}

	env_new.crc = crc32(0, env_new.data, ENV_SIZE);
	err = ext4fs_write(EXT4_ENV_FILE, (void *)&env_new, sizeof(env_t));
	ext4fs_close();
	if (err == -1) {
		printf("\n** Unable to write \"%s\" from %s%d:%d **\n",
			EXT4_ENV_FILE, EXT4_ENV_INTERFACE, dev, part);
		return 1;
	}

	puts("done\n");
	return 0;
}
Exemplo n.º 5
0
static int env_ext4_save(void)
{
	env_t	env_new;
	struct blk_desc *dev_desc = NULL;
	disk_partition_t info;
	int dev, part;
	int err;

	err = env_export(&env_new);
	if (err)
		return err;

	part = blk_get_device_part_str(CONFIG_ENV_EXT4_INTERFACE,
				       CONFIG_ENV_EXT4_DEVICE_AND_PART,
				       &dev_desc, &info, 1);
	if (part < 0)
		return 1;

	dev = dev_desc->devnum;
	ext4fs_set_blk_dev(dev_desc, &info);

	if (!ext4fs_mount(info.size)) {
		printf("\n** Unable to use %s %s for saveenv **\n",
		       CONFIG_ENV_EXT4_INTERFACE,
		       CONFIG_ENV_EXT4_DEVICE_AND_PART);
		return 1;
	}

	err = ext4fs_write(CONFIG_ENV_EXT4_FILE, (void *)&env_new,
			   sizeof(env_t));
	ext4fs_close();

	if (err == -1) {
		printf("\n** Unable to write \"%s\" from %s%d:%d **\n",
			CONFIG_ENV_EXT4_FILE, CONFIG_ENV_EXT4_INTERFACE, dev,
			part);
		return 1;
	}

	puts("done\n");
	return 0;
}
Exemplo n.º 6
0
void env_relocate_spec(void)
{
	char buf[CONFIG_ENV_SIZE];
	block_dev_desc_t *dev_desc = NULL;
	int dev = EXT4_ENV_DEVICE;
	int part = EXT4_ENV_PART;
	int err;

	dev_desc = get_dev(EXT4_ENV_INTERFACE, dev);
	if (dev_desc == NULL) {
		printf("Failed to find %s%d\n",
			EXT4_ENV_INTERFACE, dev);
		set_default_env(NULL);
		return;
	}

	err = ext4_register_device(dev_desc, part);
	if (err) {
		printf("Failed to register %s%d:%d\n",
			EXT4_ENV_INTERFACE, dev, part);
		set_default_env(NULL);
		return;
	}

	err = ext4_read_file(EXT4_ENV_FILE, (uchar *)&buf, 0, CONFIG_ENV_SIZE);
	ext4fs_close();

	if (err == -1) {
		printf("\n** Unable to read \"%s\" from %s%d:%d **\n",
			EXT4_ENV_FILE, EXT4_ENV_INTERFACE, dev, part);
		set_default_env(NULL);
		return;
	}

	env_import(buf, 1);
}
Exemplo n.º 7
0
static int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc,
						char *const argv[])
{
	char *filename = NULL;
	char *ep;
	int dev;
	unsigned long part = 1;
	ulong addr = 0;
	ulong part_length;
	int filelen;
	disk_partition_t info;
	struct ext_filesystem *fs;
	char buf[12];
	unsigned long count;
	const char *addr_str;

	count = 0;
	addr = simple_strtoul(argv[3], NULL, 16);
	filename = getenv("bootfile");
	switch (argc) {
	case 3:
		addr_str = getenv("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;
	}

	dev = (int)simple_strtoul(argv[2], &ep, 16);
	ext4_dev_desc = get_dev(argv[1], dev);
	if (ext4_dev_desc == NULL) {
		printf("** Block device %s %d not supported\n", argv[1], dev);
		return 1;
	}
	if (init_fs(ext4_dev_desc))
		return 1;

	fs = get_fs();
	if (*ep) {
		if (*ep != ':') {
			puts("** Invalid boot device, use `dev[:part]' **\n");
			return 1;
		}
		part = simple_strtoul(++ep, NULL, 16);
	}

	if (part != 0) {
		if (get_partition_info(fs->dev_desc, part, &info)) {
			printf("** Bad partition %lu **\n", part);
			return 1;
		}

		if (strncmp((char *)info.type, BOOT_PART_TYPE,
			    strlen(BOOT_PART_TYPE)) != 0) {
			printf("** Invalid partition type \"%s\""
			       " (expect \"" BOOT_PART_TYPE "\")\n", info.type);
			return 1;
		}
		printf("Loading file \"%s\" "
		       "from %s device %d:%lu %s\n",
		       filename, argv[1], dev, part, info.name);
	} else {
		printf("Loading file \"%s\" from %s device %d\n",
		       filename, argv[1], dev);
	}

	part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
	if (part_length == 0) {
		printf("**Bad partition - %s %d:%lu **\n", argv[1], dev, part);
		ext4fs_close();
		return 1;
	}

	if (!ext4fs_mount(part_length)) {
		printf("** Bad ext2 partition or disk - %s %d:%lu **\n",
		       argv[1], dev, part);
		ext4fs_close();
		return 1;
	}

	filelen = ext4fs_open(filename);
	if (filelen < 0) {
		printf("** File not found %s\n", filename);
		ext4fs_close();
		return 1;
	}
	if ((count < filelen) && (count != 0))
		filelen = count;

	if (ext4fs_read((char *)addr, filelen) != filelen) {
		printf("** Unable to read \"%s\" from %s %d:%lu **\n",
		       filename, argv[1], dev, part);
		ext4fs_close();
		return 1;
	}

	ext4fs_close();
	deinit_fs(fs->dev_desc);
	/* Loading ok, update default load address */
	load_addr = addr;

	printf("%d bytes read\n", filelen);
	sprintf(buf, "%X", filelen);
	setenv("filesize", buf);

	return 0;
}
Exemplo n.º 8
0
int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc,
                  char *const argv[])
{
    const char *filename = "/";
    int part_length;
    unsigned long part = 1;
    int dev;
    char *ep;
    unsigned long ram_address;
    unsigned long file_size;
    disk_partition_t info;
    struct ext_filesystem *fs;

    if (argc < 6)
        return cmd_usage(cmdtp);

    dev = (int)simple_strtoul(argv[2], &ep, 16);
    ext4_dev_desc = get_dev(argv[1], dev);
    if (ext4_dev_desc == NULL) {
        printf("Block device %s %d not supported\n", argv[1], dev);
        return 1;
    }
    if (init_fs(ext4_dev_desc))
        return 1;

    fs = get_fs();
    if (*ep) {
        if (*ep != ':') {
            puts("Invalid boot device, use `dev[:part]'\n");
            goto fail;
        }
        part = simple_strtoul(++ep, NULL, 16);
    }

    /* get the filename */
    filename = argv[3];

    /* get the address in hexadecimal format (string to int) */
    ram_address = simple_strtoul(argv[4], NULL, 16);

    /* get the filesize in base 10 format */
    file_size = simple_strtoul(argv[5], NULL, 10);

    /* set the device as block device */
    part_length = ext4fs_set_blk_dev(fs->dev_desc, part);
    if (part_length == 0) {
        printf("Bad partition - %s %d:%lu\n", argv[1], dev, part);
        goto fail;
    }

    /* register the device and partition */
    if (ext4_register_device(fs->dev_desc, part) != 0) {
        printf("Unable to use %s %d:%lu for fattable\n",
               argv[1], dev, part);
        goto fail;
    }

    /* get the partition information */
    if (!get_partition_info(fs->dev_desc, part, &info)) {
        total_sector = (info.size * info.blksz) / SECTOR_SIZE;
        fs->total_sect = total_sector;
    } else {
        printf("error : get partition info\n");
        goto fail;
    }

    /* mount the filesystem */
    if (!ext4fs_mount(part_length)) {
        printf("Bad ext4 partition %s %d:%lu\n", argv[1], dev, part);
        goto fail;
    }

    /* start write */
    if (ext4fs_write(filename, (unsigned char *)ram_address, file_size)) {
        printf("** Error ext4fs_write() **\n");
        goto fail;
    }
    ext4fs_close();
    deinit_fs(fs->dev_desc);

    return 0;

fail:
    ext4fs_close();
    deinit_fs(fs->dev_desc);

    return 1;
}
Exemplo n.º 9
0
static int check_recovery_cmd_file(void)
{
	static disk_partition_t info;
	char buf[CONFIG_RECOVERYFILE_SIZE];
	int err;
	block_dev_desc_t *dev_desc = NULL;
	int dev = 0;
	int part = EXT4_CACHE_PART;
	loff_t filelen;
	const char *ifname;

	debug("check_recovery_cmd_file\n");
	ifname = getenv("devif");
	if ( ifname == NULL) {
		ifname = "nand";
		printf("get devif fail\n");
	}
    dev = get_boot_dev_num();

	dev_desc = get_dev(ifname, dev);
	if (dev_desc == NULL) {
		printf("Failed to find %s%d\n", ifname, dev);
		return 1;
	}

	debug("part = %d\n", part);

	if (get_partition_info(dev_desc, part, &info)) {
		printf("** get_partition_info %s%d:%d\n",
				ifname, dev, part);

		if (part != 0) {
			printf("** Partition %d not valid on device %d **\n",
					part, dev_desc->dev);
			return -1;
		}

		info.start = 0;
		info.size = dev_desc->lba;
		info.blksz = dev_desc->blksz;
		info.name[0] = 0;
		info.type[0] = 0;
		info.bootable = 0;
#ifdef CONFIG_PARTITION_UUIDS
		info.uuid[0] = 0;
#endif
	}

	ext4fs_set_blk_dev(dev_desc, &info);

	debug("info.size = %d\n", (int) info.size);

	if (!ext4fs_mount(info.size)) {
		printf("Failed to mount %s%d:%d\n",
			ifname, dev, part);
		ext4fs_close();
		return 1;
	}

	err = ext4fs_open(CONFIG_ANDROID_RECOVERY_CMD_FILE, &filelen);
	if (err  < 0) {
		printf("** File not found %s\n",
			CONFIG_ANDROID_RECOVERY_CMD_FILE);
		ext4fs_close();
		return 1;
	}

	debug("filelen = %lld\n", filelen);

	err = ext4fs_read(buf, CONFIG_RECOVERYFILE_SIZE, &filelen);
	if (err < 0) {
		printf("** File read error:  %s\n",
			CONFIG_ANDROID_RECOVERY_CMD_FILE);
		ext4fs_close();
		return 1;
	}

	ext4fs_close();

	return 0;
}