diff options
author | Rob Herring <rob.herring@calxeda.com> | 2012-08-23 11:31:46 +0000 |
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committer | Tom Rini <trini@ti.com> | 2012-09-25 14:46:55 -0700 |
commit | 81180819b842602f29f325298ee3e522beda3e0a (patch) | |
tree | 14c47ee7042a0e8b28f50c695d8b386f16cf6144 /common/cmd_ext4.c | |
parent | 945010629641b00cca95d1fed4f63009a2b4a113 (diff) | |
download | u-boot-imx-81180819b842602f29f325298ee3e522beda3e0a.zip u-boot-imx-81180819b842602f29f325298ee3e522beda3e0a.tar.gz u-boot-imx-81180819b842602f29f325298ee3e522beda3e0a.tar.bz2 |
cmd_extX: use common get_device_and_partition function
Convert ext2/4 load, ls, and write functions to use common device and
partition parsing function. With the common function "dev:part" can come
from the environment and a '-' can be used in that case.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Diffstat (limited to 'common/cmd_ext4.c')
-rw-r--r-- | common/cmd_ext4.c | 102 |
1 files changed, 7 insertions, 95 deletions
diff --git a/common/cmd_ext4.c b/common/cmd_ext4.c index e92c02f..48f9ba3 100644 --- a/common/cmd_ext4.c +++ b/common/cmd_ext4.c @@ -56,21 +56,6 @@ #include <usb.h> #endif -#if !defined(CONFIG_DOS_PARTITION) && !defined(CONFIG_EFI_PARTITION) -#error DOS or EFI partition support must be selected -#endif - -uint64_t total_sector; -uint64_t part_offset; -#if defined(CONFIG_CMD_EXT4_WRITE) -static uint64_t part_size; -static uint16_t cur_part = 1; -#endif - -#define DOS_PART_MAGIC_OFFSET 0x1fe -#define DOS_FS_TYPE_OFFSET 0x36 -#define DOS_FS32_TYPE_OFFSET 0x52 - int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) { @@ -89,77 +74,24 @@ int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) } #if defined(CONFIG_CMD_EXT4_WRITE) -static int ext4_register_device(block_dev_desc_t *dev_desc, int part_no) -{ - unsigned char buffer[SECTOR_SIZE]; - disk_partition_t info; - - if (!dev_desc->block_read) - return -1; - - /* check if we have a MBR (on floppies we have only a PBR) */ - if (dev_desc->block_read(dev_desc->dev, 0, 1, (ulong *) buffer) != 1) { - printf("** Can't read from device %d **\n", dev_desc->dev); - return -1; - } - if (buffer[DOS_PART_MAGIC_OFFSET] != 0x55 || - buffer[DOS_PART_MAGIC_OFFSET + 1] != 0xaa) { - /* no signature found */ - return -1; - } - - /* First we assume there is a MBR */ - if (!get_partition_info(dev_desc, part_no, &info)) { - part_offset = info.start; - cur_part = part_no; - part_size = info.size; - } else if ((strncmp((char *)&buffer[DOS_FS_TYPE_OFFSET], - "FAT", 3) == 0) || (strncmp((char *)&buffer - [DOS_FS32_TYPE_OFFSET], - "FAT32", 5) == 0)) { - /* ok, we assume we are on a PBR only */ - cur_part = 1; - part_offset = 0; - } else { - printf("** Partition %d not valid on device %d **\n", - part_no, dev_desc->dev); - return -1; - } - - return 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; + int dev, part; unsigned long ram_address; unsigned long file_size; disk_partition_t info; - struct ext_filesystem *fs; + block_dev_desc_t *dev_desc; 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); + part = get_device_and_partition(argv[1], argv[2], &dev_desc, &info); + if (part < 0) 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); - } + dev = dev_desc->dev; /* get the filename */ filename = argv[3]; @@ -171,30 +103,10 @@ int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc, file_size = simple_strtoul(argv[5], NULL, 10); /* set the device as block device */ - part_length = ext4fs_set_blk_dev(ext4_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(ext4_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(ext4_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; - } + ext4fs_set_blk_dev(dev_desc, &info); /* mount the filesystem */ - if (!ext4fs_mount(part_length)) { + if (!ext4fs_mount(info.size)) { printf("Bad ext4 partition %s %d:%lu\n", argv[1], dev, part); goto fail; } |