#!/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 } 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 "$2" || usage rootfs=$(mktemp mips-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 $3" fi INIT=${INIT-/bin/init} echo $QEMU_OPTIONS qemu-system-mips \ -M malta -m 256 \ -echr 16 \ -append "liminix default console=ttyS0,38400n8 panic=10 oops=panic init=$INIT loglevel=8 root=/dev/mtdblock0 block2mtd.block2mtd=/dev/vda,65536" \ -drive file=$rootfs,format=raw,readonly=off,if=virtio,index=0 \ ${initramfs} \ -netdev socket,id=access,mcast=230.0.0.1:1234,localaddr=127.0.0.1 \ -device virtio-net-pci,disable-legacy=on,disable-modern=off,netdev=access,mac=ba:ad:1d:ea:21:02 \ -netdev socket,id=lan,mcast=230.0.0.1:1235,localaddr=127.0.0.1 \ -device virtio-net-pci,disable-legacy=on,disable-modern=off,netdev=lan,mac=ba:ad:1d:ea:21:01 \ -kernel $1 -display none $flags ${QEMU_OPTIONS}