UBIFS分区制作及UBIFS烧写和启动
发布时间：2020-12-15 06:47:58 所属栏目：百科 来源：网络整理
导读：UBIFS分区制作及UBIFS烧写和启动 相关命令工具 ubiattach version 1.0 - a tool to attach MTD device to UBI. Usage: ubiattach? UBI control device node file name? [-m MTD device number] [-d UBI device number] [--mtdn=MTD device number] [--devn U
ubiattach version 1.0 - a tool to attach MTD device to UBI. Usage: ubiattach? <UBI control device node file name>? [-m <MTD device number>] [-d <UBI device number>] [--mtdn=<MTD device number>] [--devn <UBI device number>] Example 1: ubiattach /dev/ubi_ctrl -m 0 - attach MTD device 0 (mtd0) to UBI Example 2: ubiattach /dev/ubi_ctrl -m 0 -d 3 - attach MTD device 0 (mtd0) to UBI and and create UBI device number 3 (ubi3) -d,--devn=<UBI device number>? the number to assign to the newly created UBI?????? device(the number is assigned automatically if this is not specified) -m,--mtdn=<MTD device number>? MTD device number to attach -O,--vid-hdr-offset??????????? VID header offset (do not specify this unless you really know what you do and the optimal defaults will be used) -h,--help????????????????????? print help message -V,--version?????????????????? print program version ubimkvol version 1.0 - a tool to create UBI volumes. Usage: ubimkvol <UBI device node file name> [-h] [-a <alignment>] [-n <volume ID>] [-N <name>] [-s <bytes>] [-S <LEBs>] [-t <static|dynamic>] [-V] [-m] [--alignment=<alignment>][--vol_id=<volume ID>] [--name=<name>] [--size=<bytes>] [--lebs=<LEBs>] [--type=<static|dynamic>] [--help] [--version] [--maxavsize] Example: ubimkvol/dev/ubi0 -s 20MiB -N config_data - create a 20 Megabytes volume named "config_data" on UBI device /dev/ubi0. -a,--alignment=<alignment>?? volume alignment (default is 1) -n,--vol_id=<volume ID>????? UBI volume ID,if not specified,the volume ID will be assigned automatically -N,--name=<name>???????????? volume name -s,--size=<bytes>??????????? volume size volume size in bytes,kilobytes (KiB) or megabytes (MiB) -S,--lebs=<LEBs count>?????? alternative way to give volume size in logical eraseblocks -m,--maxavsize?????????????? set volume size to maximum available size -t,--type=<static|dynamic>?? volume type (dynamic,static),default is dynamic -h,-?,--help??????????????? print help message -V,--version???????????????? print program version The following is a compatibility option which is deprecated,do not use it -d,--devn=<devn>???????????? UBI device number - may be used instead of the UBI device node name in which case the utility assumes that the device node is "/dev/ubi<devn>" ubidetach version 1.0 - a tool to remove UBI devices (detach MTD devices from UBI) Usage: ubidetach<UBI control device node file name> [-d <UBI device number>] [-m <MTD device number>] [--devn <UBI device number>] [--mtdn=<MTD device number>] Example 1: ubidetach /dev/ubi_ctrl -d 2 - delete UBI device 2 (ubi2) Example 2: ubidetach /dev/ubi_ctrl -m 0 - detach MTD device 0 (mtd0) -d,--devn=<UBI device number>? UBI device number to delete -m,--mtdn=<MTD device number>? or altrnatively,MTD device number to detach - this will delete corresponding UBI device -h,--version?????????????????? print program version ubiformat version 1.0 - a tool to format MTD devices and flash UBI images Usage: ubiformat <MTD device node file name> [-h] [-V] [-y] [-q] [-v] [-x <num>] [-E <value>] [-s <bytes>] [-O <offs>] [-n] [--help] [--version] [--yes] [--verbose] [--quiet] [--ec=<value>] [--vid-hdr-offset=<offs>] [--ubi-ver=<num>] [--no-volume-table] Example 1: ubiformat /dev/mtd0 -y - format MTD device number 0 and do not ask questions. Example 2: ubiformat /dev/mtd0 -q -e 0 - format MTD device number 0, be quiet and force erase counter value 0. -s,--sub-page-size=<bytes>? minimum input/output unit used for UBI headers,e.g. sub-page size in case of NAND flash (equivalent to the minimum input/output unit size by default) -O,--vid-hdr-offset=<offs>? offset if the VID header from start of the physical eraseblock (default is the next minimum I/O unit or sub-page after the EC header) -n,--no-volume-table??????? only erase all eraseblock and preserve erase counters,do not write empty volume table -f,--flash-image=<file>???? flash image file -e,--erase-counter=<value>? use <value> as the erase counter value for all eraseblocks -y,--yes??????????????????? assume the answer is "yes" for all question this program would otherwise ask -q,--quiet????????????????? suppress progress percentage information -v,--verbose??????????????? be verbose -x,--ubi-ver=<num>????????? UBI version number to put to EC headers (default is 1) -h,--help?????????????? print help message -V,--version??????????????? print program version 使用实例 将一个MTD分区挂载为UBIFS格式? ●?flash_eraseall /dev/mtd5 //擦除mtd5? ●?mount -t ubifs ubi0_0 /mnt/ubi或mount -t ubifs ubi0:rootfs0 /mnt/ubi //挂载 烧写UBIFS文件系统映像 U-Boot烧写ubifs:(mmc) #mmcinit NFS文件系统上烧写 法一，使用 ./ubiformat -q /dev/mtd5 -f ubi.img? 法二，不必烧写映像，将ROOTFS打包，解压到UBIFS ubiattach /dev/ubi_ctrl -m 5 -d 0 ubimkvol /dev/ubi0 -n 0 -N rootfs -s 128MiB mount -t ubifs ubi0_0 /mnt/ubi0 tar -jxv -C /mnt/ubi0 rootfs.tar.bz2 umount /mnt/ubi0 UBI文件系统启动 设置UBIFS文件系统作为根文件系统启动的参数 #setenv bootargs console=ttyAM0,115200n8 ubi.mtd=5 root=ubi0:rootfs rootfstype=ubifs init=linuxrc? # setenv bootcmd nand read.i 80300000 280000 200000;bootm 80300000 （编辑：李大同） 【声明】本站内容均来自网络，其相关言论仅代表作者个人观点，不代表本站立场。若无意侵犯到您的权利，请及时与联系站长删除相关内容! |