diff options
| -rw-r--r-- | common/cmd_ubi.c | 63 | ||||
| -rw-r--r-- | doc/README.ubi | 3 |
2 files changed, 51 insertions, 15 deletions
diff --git a/common/cmd_ubi.c b/common/cmd_ubi.c index f11cb61..122ba7e 100644 --- a/common/cmd_ubi.c +++ b/common/cmd_ubi.c @@ -266,28 +266,15 @@ out_err: return err; } -int ubi_volume_write(char *volume, void *buf, size_t size) +int ubi_volume_continue_write(char *volume, void *buf, size_t size) { int err = 1; - int rsvd_bytes = 0; struct ubi_volume *vol; vol = ubi_find_volume(volume); if (vol == NULL) return ENODEV; - rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad); - if (size < 0 || size > rsvd_bytes) { - printf("size > volume size! Aborting!\n"); - return EINVAL; - } - - err = ubi_start_update(ubi, vol, size); - if (err < 0) { - printf("Cannot start volume update\n"); - return -err; - } - err = ubi_more_update_data(ubi, vol, buf, size); if (err < 0) { printf("Couldnt or partially wrote data\n"); @@ -314,6 +301,37 @@ int ubi_volume_write(char *volume, void *buf, size_t size) return 0; } +int ubi_volume_begin_write(char *volume, void *buf, size_t size, + size_t full_size) +{ + int err = 1; + int rsvd_bytes = 0; + struct ubi_volume *vol; + + vol = ubi_find_volume(volume); + if (vol == NULL) + return ENODEV; + + rsvd_bytes = vol->reserved_pebs * (ubi->leb_size - vol->data_pad); + if (size < 0 || size > rsvd_bytes) { + printf("size > volume size! Aborting!\n"); + return EINVAL; + } + + err = ubi_start_update(ubi, vol, full_size); + if (err < 0) { + printf("Cannot start volume update\n"); + return -err; + } + + return ubi_volume_continue_write(volume, buf, size); +} + +int ubi_volume_write(char *volume, void *buf, size_t size) +{ + return ubi_volume_begin_write(volume, buf, size, size); +} + int ubi_volume_read(char *volume, char *buf, size_t size) { int err, lnum, off, len, tbuf_size; @@ -588,7 +606,20 @@ static int do_ubi(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) addr = simple_strtoul(argv[2], NULL, 16); size = simple_strtoul(argv[4], NULL, 16); - ret = ubi_volume_write(argv[3], (void *)addr, size); + if (strlen(argv[1]) == 10 && + strncmp(argv[1] + 5, ".part", 5) == 0) { + if (argc < 6) { + ret = ubi_volume_continue_write(argv[3], + (void *)addr, size); + } else { + size_t full_size; + full_size = simple_strtoul(argv[5], NULL, 16); + ret = ubi_volume_begin_write(argv[3], + (void *)addr, size, full_size); + } + } else { + ret = ubi_volume_write(argv[3], (void *)addr, size); + } if (!ret) { printf("%lld bytes written to volume %s\n", size, argv[3]); @@ -636,6 +667,8 @@ U_BOOT_CMD( " - create volume name with size\n" "ubi write[vol] address volume size" " - Write volume from address with size\n" + "ubi write.part address volume size [fullsize]\n" + " - Write part of a volume from address\n" "ubi read[vol] address volume [size]" " - Read volume to address with size\n" "ubi remove[vol] volume" diff --git a/doc/README.ubi b/doc/README.ubi index 3cf4ef2..d82c75c 100644 --- a/doc/README.ubi +++ b/doc/README.ubi @@ -14,6 +14,8 @@ ubi part [part] [offset] ubi info [l[ayout]] - Display volume and ubi layout information ubi create[vol] volume [size] [type] - create volume name with size ubi write[vol] address volume size - Write volume from address with size +ubi write.part address volume size [fullsize] + - Write part of a volume from address ubi read[vol] address volume [size] - Read volume to address with size ubi remove[vol] volume - Remove volume [Legends] @@ -77,6 +79,7 @@ ubi createvol Create UBI volume on UBI device ubi removevol Remove UBI volume from UBI device ubi read Read data from UBI volume to memory ubi write Write data from memory to UBI volume +ubi write.part Write data from memory to UBI volume, in parts Here a few examples on the usage: |