Page History

• Introduction
  The Firmware upgrade will upgrade higher or lower version of the current image in BPI target with the help of Xconf server and TFTP/HTTP protocol.

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Runtime persistence storage creation

• Code Block

  //-----------Service file cat > /lib/systemd/system/mount-data.service << 'EOF' [Unit] Description=Mount data partition After=mount-nvram.service Requires=mount-nvram.service [Service] Type=oneshot ExecStartPre=/bin/sh -c 'until mountpoint -q /nvram; do sleep 1; done' ExecStart=/bin/sh /nvram/mount_data.sh RemainAfterExit=yes [Install] WantedBy=multi-user.target EOF //---------script file cat > /nvram/mount_data.sh << 'EOF' #!/bin/sh mkdir -p /data blkid_output=$(blkid /dev/mmcblk0p14 | grep 'TYPE="ext4"') if [ -n "$blkid_output" ]; then mount /dev/mmcblk0p14 /data echo "Data partition mounted successfully" >> /tmp/mount-data.log else echo "Data partition not found or not ext4" >> /tmp/mount-data.log fi EOF chmod +x /nvram/mount_data.sh //----creating partition sgdisk -e /dev/mmcblk0 sgdisk -F /dev/mmcblk0 # first free sector sgdisk -E /dev/mmcblk0 # last free sector sgdisk -p /dev/mmcblk0 # full partition table view ic-GW:~# sgdisk -l /dev/mmcblk0 root@Filogic-GW:~# root@Filogic-GW:~# sgdisk -F /dev/mmcblk0 4453342 root@Filogic-GW:~# root@Filogic-GW:~# sgdisk -E /dev/mmcblk0 15523806 root@Filogic-GW:~# sgdisk -p /dev/mmcblk0 Disk /dev/mmcblk0: 15523840 sectors, 7.4 GiB Sector size (logical/physical): 512/512 bytes Disk identifier (GUID): A74876B1-0039-4930-8C95-B43075F2726C Partition table holds up to 128 entries Main partition table begins at sector 2 and ends at sector 33 First usable sector is 34, last usable sector is 15523806 Partitions will be aligned on 2-sector boundaries Total free space is 11075585 sectors (5.3 GiB) Number Start (sector) End (sector) Size Code Name 1 34 8191 4.0 MiB 8300 bl2 2 13312 17407 2.0 MiB 8300 fip 3 17408 50175 16.0 MiB 8300 boot_a 4 50176 2147327 1024.0 MiB 8300 rootfs_a 5 2147328 2155485 4.0 MiB 8300 bl2_b 6 2155486 2159581 2.0 MiB 8300 fip_b 7 2159582 2192349 16.0 MiB 8300 boot_b 8 2192350 4289501 1024.0 MiB 8300 rootfs_b 9 4289502 4322269 16.0 MiB 8300 nvram 10 4322270 4338653 8.0 MiB 8300 crash_a 11 4338654 4355037 8.0 MiB 8300 crash_b 12 4355038 4387805 16.0 MiB 8300 reserved 13 4387806 4453341 32.0 MiB 8300 dac root@Filogic-GW:~# //---------reboot device ~# mkfs.ext4 /dev/mmcblk0p14 mke2fs 1.46.5 (30-Dec-2021) Discarding device blocks: done Creating filesystem with 1383808 4k blocks and 346064 inodes Filesystem UUID: d66a633e-151c-482e-83f2-c892a185985e Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736 Allocating group tables: done Writing inode tables: done Creating journal (16384 blocks): done Writing superblocks and filesystem accounting information: done root@Filogic-GW:~# root@Filogic-GW:~# mkdir -p /data root@Filogic-GW:~# mount /dev/mmcblk0p14 /data root@Filogic-GW:~# df -h /data Filesystem Size Used Avail Use% Mounted on /dev/mmcblk0p14 5.2G 24K 4.9G 1% /data root@Filogic-GW:~# root@Filogic-GW:~#

TBD