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#!/bin/bash
if [ "$#" -ne 1 ] ; then
echo "usage: $0 <target host>"
exit 0
fi
if [ ! -f arch/x86/boot/bzImage ] ; then
echo "run from a linux tree with the kernel built"
exit 0
fi
# Copy modules
rm -rf /tmp/pk
make INSTALL_MOD_PATH=/tmp/pk INSTALL_MOD_STRIP=1 modules_install
(cd /tmp/pk/lib/modules; rsync -av * root@$1:/lib/modules/)
if [ $? -ne 0 ] ; then
echo "module copy failed"
exit 0
fi
# Build kernel image
vbutil_kernel --pack /tmp/new_kern.bin --keyblock /usr/share/vboot/devkeys/kernel.keyblock --signprivate /usr/share/vboot/devkeys/kernel_data_key.vbprivk --version 1 --config ~/hatch-cmdline.txt --bootloader ~/bootstub.efi --vmlinuz arch/x86/boot/bzImage --arch x86_64
if [ $? -ne 0 ] ; then
echo "failed to build kernel image"
exit 0
fi
# Setup new kernel to boot from partition B
scp /tmp/new_kern.bin root@$1:/tmp
if [ $? -ne 0 ] ; then
echo "failed to copy kernel image"
exit 0
fi
ssh root@$1 dd if=/tmp/new_kern.bin of=/dev/nvme0n1p4 bs=4K
if [ $? -ne 0 ] ; then
echo "failed to write kernel image on target"
exit 0
fi
ssh root@$1 cgpt add -i 4 -S 0 -T 1 -P15 /dev/nvme0n1
if [ $? -ne 0 ] ; then
echo "failed to set new kernel image active on target"
exit 0
fi
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