uInitrd

#!/bin/sh

# uInitrd generator for U-Boot
# place this file to /etc/initramfs/post-update.d/ directory,
# and make it executable
# reference: https://forum.doozan.com/read.php?2,12096

uInitrd="/boot/uInitrd"

die () {
	echo >&2 "Error: $@"
	echo >&2 "uInitrd generation failed - exiting."
	exit 1
}

echo "Generating uInitrd for U-Boot:"

if [ "$#" -eq 2 ]; then
  if [ ! -z "$1" ] && [ -f "$2" ];then
	  name="initramfs-$1"
	  file="$2"
	  mkimage -A arm -O linux -T ramdisk -C gzip -a 0x00000000 -e 0x00000000 -n ${name} -d ${file} ${uInitrd}
  else
	  die "wrong arguments: '$1', '$2'"
  fi
else 
	die "2 arguments required, $# provided"
fi