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update_kernel: update the syslinux partition too

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The KVM examples boot from the syslinux partiton, so update the kernel
that lives there too.

BUG=None
TEST=correctly updated a kernel in a VM

Change-Id: I1526064f85d6c9233696590e9e746bc91bcd6d2a
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-on: http://gerrit.chromium.org/gerrit/10239
Reviewed-by: Mandeep Singh Baines <msb@chromium.org>
This commit is contained in:
Kees Cook 2011-10-18 13:12:12 -07:00 committed by Gerrit
parent 23fe17a20e
commit 7d7d2ef0f0
1 changed files with 26 additions and 1 deletions
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27
update_kernel.sh
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@ -138,6 +138,7 @@ function main() {
if [[ ${REMOTE_VERITY} -eq ${FLAGS_FALSE} ]]; then
tar -C /build/"${FLAGS_board}"/lib/modules -cjf /tmp/new_modules.tar .
tar -C /build/"${FLAGS_board}"/lib/firmware -cjf /tmp/new_firmware.tar .
tar -C /build/"${FLAGS_board}"/boot -cjf /tmp/new_boot.tar .
remote_sh mount -o remount,rw /
echo "copying modules"
@ -149,9 +150,33 @@ function main() {
remote_cp_to /tmp/new_firmware.tar /tmp/
remote_sh tar -C /lib/firmware -xjf /tmp/new_firmware.tar
echo "copying kernel"
remote_cp_to /tmp/new_boot.tar /tmp/
remote_sh tar -C /boot -xjf /tmp/new_boot.tar
# ARM does not have the syslinux directory, so skip it when the
# partition or the syslinux vmlinuz target is missing.
echo "updating syslinux kernel"
remote_sh grep $(echo ${FLAGS_device}12 | cut -d/ -f3) /proc/partitions
if [ $(echo "$REMOTE_OUT" | wc -l) -eq 1 ]; then
remote_sh mkdir -p /tmp/12
remote_sh mount ${FLAGS_device}12 /tmp/12
if [ "$FLAGS_partition" = "${FLAGS_device}2" ]; then
target="/tmp/12/syslinux/vmlinuz.A"
else
target="/tmp/12/syslinux/vmlinuz.B"
fi
remote_sh "test ! -f $target || cp /boot/vmlinuz $target"
remote_sh umount /tmp/12
remote_sh rmdir /tmp/12
fi
fi
echo "copying kernel"
echo "copying kernel image"
copy_kernelimage