95 lines
3.5 KiB
Bash
Executable File
95 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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##############################################################################
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# parabola-arm-imagebuilder #
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# #
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# Copyright (C) 2017 Andreas Grapentin #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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##############################################################################
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set -eu
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_builddir=build
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mkdir -p "$_builddir"
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_imagefile=$1
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_pidfile="$_builddir"/qemu-$$.pid
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_bootdir="$_builddir"/boot-$$
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_loopdev=$(sudo losetup -f --show "$_imagefile")
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sudo partprobe $_loopdev
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touch "$_pidfile"
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# register a cleanup error handler
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function cleanup {
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test -f "$_pidfile" && (sudo kill -9 $(cat "$_pidfile") || true)
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rm -f "$_pidfile"
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sudo umount ${_loopdev}p1
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sudo losetup -d $_loopdev
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rm -rf "$_bootdir"
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}
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trap cleanup ERR
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# start the VM
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mkdir -p "$_bootdir"
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sudo mount ${_loopdev}p1 "$_bootdir"
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_board="vexpress-a9"
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# FIXME: archlinuxarm rust SIGILLs on cortex-a9 cpus, using cortex-a15 for now
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_cpu="cortex-a15"
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_memory="1G"
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_snapshot=""
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[ -z "${PERSISTENT:-}" ] && _snapshot="-snapshot"
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_daemonize="-nographic -serial mon:stdio"
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[ -z "${FOREGROUND:-}" ] && _daemonize="-daemonize -pidfile $_pidfile -net user,hostfwd=tcp::2022-:22 -net nic -display none"
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if [ -f "$_bootdir"/zImage ]; then
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_kernel="$_bootdir"/zImage
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_dtb="$_bootdir"/dtbs/vexpress-v2p-ca9.dtb
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_initrd="$_bootdir"/initramfs-linux.img
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else
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_kernel="$_bootdir"/vmlinuz-linux-libre
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_dtb="$_bootdir"/dtbs/linux-libre/vexpress-v2p-ca9.dtb
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_initrd="$_bootdir"/initramfs-linux-libre.img
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fi
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QEMU_AUDIO_DRV=none qemu-system-arm \
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-M $_board \
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-cpu $_cpu \
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-m $_memory \
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-kernel "$_kernel" \
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-dtb "$_dtb" \
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-initrd "$_initrd" \
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--append "root=/dev/mmcblk0p3 rw roottype=ext4 console=ttyAMA0" \
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-drive if=sd,driver=raw,cache=writeback,file="$_imagefile" \
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$_daemonize \
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$_snapshot
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if [ -z "${FOREGROUND:-}" ]; then
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# wait for ssh to be up
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_sshopts="-o StrictHostKeyChecking=no -o ConnectTimeout=5"
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while ! ssh -p 2022 -i keys/id_rsa root@localhost $_sshopts true 2>/dev/null; do
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echo -n . && sleep 5
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done && echo
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# open a session
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ssh -p 2022 -i keys/id_rsa parabola@localhost
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# shutdown the VM
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ssh -p 2022 -i keys/id_rsa root@localhost "nohup shutdown -h now &>/dev/null & exit"
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while sudo kill -0 $(cat "$_pidfile") 2> /dev/null; do echo -n . && sleep 5; done && echo
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fi
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# cleanup
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sudo umount ${_loopdev}p1
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sudo losetup -d $_loopdev
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rm -rf "$_bootdir" "$_pidfile"
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