Recovering The Bootloader - StarFive JH-7110 DevKit Quick Start Manual

[ 112.145369] random: 7 urandom warning(s) missed due to
ratelimiting
[ 115.474184] EXT4-fs (mmcblk1p4): resized filesystem to 30859265
The filesystem on /dev/mmcblk1p4 is now 30859756 (1k) blocks long.
If you need to add a new partition, such as a swap partition (here we do set the rest of
disk space to swap partition, but normally swap partition size should be the same as
DDR size or double of DDR size), you can use the following shell script after the image
running on board:
#!bin/sh
sgdisk -e /dev/mmcblk0
disk=/dev/mmcblk0
gdisk $disk << EOF
p
n
5
8200
p
c
5
hibernation
w
y
EOF
mkswap /dev/mmcblk0p5
swapoff -a
swapon /dev/mmcblk0p5

4.3. Recovering the Bootloader

The SPL and U-Boot are stored inside the SPI flash of your board. There may be situations where you
accidentally empty the flash or if the flash is damaged on your board. In these situations, it's better
to recover the bootloader.
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