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Create one primary partition for zImage. Create another extended partition for holding logical partitions for rootfs and /nvram.After reboot, format /dev/mmcblk0p3, /dev/mmcblk0p5 and /dev/mmcblk0p6 as ext2 partitions.
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root@OpenWrt:/# fdisk /dev/mmcblk0
Welcome to fdisk (util-linux 2.28.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
Command (m for help): p
Disk /dev/mmcblk0: 7.3 GiB, 7818182656 bytes, 15269888 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x15488508
Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 * 2048 35327 33280 16.3M c W95 FAT32 (LBA)
/dev/mmcblk0p2 36864 561663 524800 256.3M 83 Linux
Command (m for help): n
Partition type
p primary (2 primary, 0 extended, 2 free)
e extended (container for logical partitions)
Select (default p):
Using default response p.
Partition number (3,4, default 3):
First sector (35328-15269887, default 563200):
Last sector, +sectors or +size{K,M,G,T,P} (563200-15269887, default 15269887): 596479
Created a new partition 3 of type 'Linux' and of size 16.3 MiB.
Command (m for help): n
Partition type
p primary (3 primary, 0 extended, 1 free)
e extended (container for logical partitions)
Select (default e): e
Selected partition 4
First sector (35328-15269887, default 598016):
Last sector, +sectors or +size{K,M,G,T,P} (598016-15269887, default 15269887):
Created a new partition 4 of type 'Extended' and of size 7 GiB.
Command (m for help): n
All primary partitions are in use.
Adding logical partition 5
First sector (600064-15269887, default 600064):
Last sector, +sectors or +size{K,M,G,T,P} (600064-15269887, default 15269887): +512M
Created a new partition 5 of type 'Linux' and of size 512 MiB.
Command (m for help): n
All primary partitions are in use.
Adding logical partition 6
First sector (1650688-15269887, default 1650688):
Last sector, +sectors or +size{K,M,G,T,P} (1650688-15269887, default 15269887): +64M
Created a new partition 6 of type 'Linux' and of size 64 MiB.
All primary partitions are in use.
Adding logical partition 7
First sector (1783808-15269887, default 1783808):
Last sector, +sectors or +size{K,M,G,T,P} (1783808-15269887, default 15269887): +512M
Created a new partition 7 of type 'Linux' and of size 512 MiB.
Command (m for help): p
Disk /dev/mmcblk0: 7.3 GiB, 7818182656 bytes, 15269888 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x15488508
Device Boot Start End Sectors Size Id Type
/dev/mmcblk0p1 * 2048 35327 33280 16.3M c W95 FAT32 (LBA)
/dev/mmcblk0p2 36864 561663 524800 256.3M 83 Linux
/dev/mmcblk0p3 563200 596479 33280 16.3M 83 Linux
/dev/mmcblk0p4 598016 15269887 14671872 7G 5 Extended
/dev/mmcblk0p5 600064 1648639 1048576 512M 83 Linux
/dev/mmcblk0p6 1650688 1781759 131072 64M 83 Linux
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Re-reading the partition table failed.: Resource busy
The kernel still uses the old table. The new table will be used at the next reboot or after you run partprobe(8) or kpartx(8).
root@OpenWrt:/# reboot |
After reboot, format /dev/mmcblk0p3, /dev/mmcblk0p5 and /dev/mmcblk0p6 as ext2 partitions.
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root@OpenWrt:/# mkfs.ext2 /dev/mmcblk0p3
mke2fs 1.44.1 (24-Mar-2018)
/dev/mmcblk0p3 contains a ext2 file system
last mounted on /mnt on Fri Aug 9 13:56:55 2019
Proceed anyway? (y,N) y
Discarding device blocks: done
Creating filesystem with 16640 1k blocks and 4176 inodes
Filesystem UUID: 1b53ea80-b120-4072-a87e-9e68092ed311
Superblock backups stored on blocks:
8193
Allocating group tables: done
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
root@OpenWrt:/# mkfs.ext2 /dev/mmcblk0p5
mke2fs 1.44.1 (24-Mar-2018)
/dev/mmcblk0p5 contains a ext2 file system
last mounted on / on Fri Aug 9 13:57:53 2019
Proceed anyway? (y,N) y
Discarding device blocks: done
Creating filesystem with 262145 1k blocks and 65792 inodes
Filesystem UUID: 14219ea9-3584-4d61-adb4-8370dd73b5cc
Superblock backups stored on blocks:
8193, 24577, 40961, 57345, 73729, 204801, 221185
Allocating group tables: done
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
root@OpenWrt:/# mkfs.ext2 /dev/mmcblk0p6
mke2fs 1.44.1 (24-Mar-2018)
/dev/mmcblk0p6 contains a ext2 file system
last mounted on /nvram on Fri Aug 9 13:59:29 2019
Proceed anyway? (y,N) y
Discarding device blocks: done
Creating filesystem with 65536 1k blocks and 16384 inodes
Filesystem UUID: df6ac518-0a1a-432a-a921-d6958307340a
Superblock backups stored on blocks:
8193, 24577, 40961, 57345
Allocating group tables: done
Writing inode tables: done
Writing superblocks and filesystem accounting information: done |
Copy zImage, dtb and a rootfs tar file from yocto workspace to turris omnia(whose IP is 192.168.1.1).
(in your PC)
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