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db410c: Add kernel-update script #5

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db410c: Add kernel-update script #5

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25 changes: 25 additions & 0 deletions scripts/db410c/kernel-update.sh
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Original file line number Diff line number Diff line change
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#!/bin/bash

# Update kernel with the one available in /boot directory

BOOTIMG=${1:-/dev/disk/by-partlabel/boot}
DT_ROOT=`dirname $0`/../..
DBOOTIMG=`which dbootimg`
DBOOTIMG=${DBOOTIMG:-${DT_ROOT}/tools/dbootimg/dbootimg}
KERNEL=/boot/vmlinuz-$(uname -r)

if [ ! -e ${KERNEL} ]; then
echo "Kernel ${KERNEL} does not exist"
exit 1
fi

if [ ! -e ${BOOTIMG} ]; then
echo "Invalid bootimg: ${BOOTIMG}"
exit 1
fi

echo "Updating kernel..."
${DBOOTIMG} ${BOOTIMG} -u kernel ${KERNEL}

echo "kernel updated, please reboot"
sync