#!/usr/bin/env bash cleanup(){ test -n "$rootfs" && test -f $rootfs && rm $rootfs } trap 'exit 1' INT HUP QUIT TERM ALRM USR1 trap 'cleanup' EXIT usage(){ echo "usage: $(basename $0) [--background /path/to/state_directory] kernel rootimg [initramfs]" echo -e "\nWithout --background, use C-p c (not C-a c) to switch to the monitor" exit 1 } arch="mips" if test "$1" = "--arch" ; then arch=$2 shift;shift fi if test "$1" = "--background" ; then statedir=$2 if test -z "$statedir" || ! test -d $statedir ; then usage fi pid="${statedir}/pid" socket="${statedir}/console" monitor="${statedir}/monitor" echo "running in background, socket is $socket, pid $pid" flags="--daemonize --pidfile $pid -serial unix:$socket,server,nowait -monitor unix:$monitor,server,nowait" shift;shift else flags="-serial mon:stdio" fi test -n "$2" || usage lan=${LAN-"socket,mcast=230.0.0.1:1235,localaddr=127.0.0.1"} rootfs=$(mktemp run-liminix-vm-fs-XXXXXX) dd if=/dev/zero of=$rootfs bs=1M count=16 conv=sync dd if=$2 of=$rootfs bs=65536 conv=sync,nocreat,notrunc if test -n "$3"; then initramfs="-initrd $3" fi case "$arch" in mips) QEMU="qemu-system-mips -M malta" ;; aarch64) QEMU="qemu-system-aarch64 -M virt -semihosting -cpu cortex-a72" ;; esac phram="mtdparts=phram0:16M(rootfs) phram.phram=phram0,${PHRAM_ADDRESS},16Mi,65536 root=/dev/mtdblock0"; set -x $QEMU \ -m 272 \ -echr 16 \ -append "$CMDLINE liminix $phram" \ -device loader,file=$rootfs,addr=$PHRAM_ADDRESS \ ${initramfs} \ -netdev socket,id=access,mcast=230.0.0.1:1234,localaddr=127.0.0.1 \ -device virtio-net,disable-legacy=on,disable-modern=off,netdev=access,mac=ba:ad:1d:ea:21:02 \ -netdev ${lan},id=lan \ -device virtio-net,disable-legacy=on,disable-modern=off,netdev=lan,mac=ba:ad:1d:ea:21:01 \ -kernel $1 -display none $flags ${QEMU_OPTIONS}