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@@ -1,9 +1,39 @@
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#!/bin/sh
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+ARCH=$(uname -m)
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KERNEL="/mnt/boot/kernel"
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-KEXEC_ARG=" -l --atags "
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+KEXEC_ARGS="-l"
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+if [ $ARCH = "arm" ]; then
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+ KEXEC_ARGS="$KEXEC_ARGS --atags"
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+fi
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PART_A=2
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PART_B=3
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+me=$0
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+
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+usage() {
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+cat >&2 <<EOF
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+Syntax: $me [-k kernel]
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+
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+ -k give the path to the kernel eg. /boot/vmlinuz-4.7.4
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+ (default: $KERNEL)
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+EOF
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+ exit $1
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+}
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+
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+while getopts "k:" ch; do
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+ case $ch {
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+ (k)
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+ # if default does not fit, give the actual keren via -k otion eg "-k /boot/vmlinuz-4.7.4
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+ KERNEL="$OPTARG"
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+ ;;
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+
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+ (*)
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+ usage 1
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+ ;;
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+ }
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+done
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+shift $((OPTIND - 1))
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+
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load_kernel(){
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# get the Bootargs and replace the current Partition with
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@@ -12,7 +42,7 @@ load_kernel(){
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# echo "kexec $KEXEC_ARG --append=\"$BOOT_ARGS\" $KERNEL"
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# set -x
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# Load the new kernel, unmount the partition and exec the new kernel
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- kexec -l --atags --append=\""$BOOT_ARGS"\" $KERNEL
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+ kexec $KEXEC_ARGS --append=\""$BOOT_ARGS"\" $KERNEL
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umount /mnt
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kexec -e
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}
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@@ -24,9 +54,8 @@ umount /mnt 2> /dev/null
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PART="/dev/$(readlink /dev/root)"
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# extract the partition number
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C_M_PART_NUM=$(readlink /dev/root | grep -o -e '[[:digit:]]*$')
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-#$(readlink /dev/root | grep -o '.$')
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-#Cut off the Partition Number
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+# cut off the Partition Number
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C_M_PART=$(readlink /dev/root | sed "s/$C_M_PART_NUM\$//")
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CURRENT_PART="/dev/${C_M_PART}${C_M_PART_NUM}"
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@@ -46,4 +75,3 @@ case $C_M_PART_NUM in
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echo "FAILURE"
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;;
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esac
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-
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Waldemar Brodkorb