54a1ab3529
the jffs2 filesystem contains only /nix/store and a script which is run in early init (initramfs) and is responsible for recreating "traditional" directories (/bin /etc/**/* /var &c) based on the configuration. this is tested only in qemu so far and could use some cleanup
52 lines
1.6 KiB
Bash
Executable file
52 lines
1.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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cleanup(){
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test -n "$rootfs" && test -f $rootfs && rm $rootfs
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}
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trap 'exit 1' INT HUP QUIT TERM ALRM USR1
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trap 'cleanup' EXIT
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usage(){
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echo "usage: $(basename $0) [--background /path/to/state_directory] kernel rootimg [initramfs]"
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echo -e "\nWithout --background, use C-p c (not C-a c) to switch to the monitor"
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exit 1
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}
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if test "$1" = "--background" ; then
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statedir=$2
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if test -z "$statedir" || ! test -d $statedir ; then
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usage
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fi
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pid="${statedir}/pid"
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socket="${statedir}/console"
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monitor="${statedir}/monitor"
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echo "running in background, socket is $socket, pid $pid"
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flags="--daemonize --pidfile $pid -serial unix:$socket,server,nowait -monitor unix:$monitor,server,nowait"
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shift;shift
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else
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flags="-serial mon:stdio"
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fi
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test -n "$2" || usage
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rootfs=$(mktemp mips-vm-fs-XXXXXX)
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dd if=$2 of=$rootfs bs=65536 conv=sync
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if test -n "$3"; then
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initramfs="-initrd $3"
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fi
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INIT=${INIT-/bin/init}
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echo $QEMU_OPTIONS
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qemu-system-mips \
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-M malta -m 256 \
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-echr 16 \
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-append "liminix default console=ttyS0,38400n8 panic=10 oops=panic init=$INIT loglevel=8 root=/dev/mtdblock0 block2mtd.block2mtd=/dev/vda,65536" \
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-drive file=$rootfs,format=raw,readonly=on,if=virtio \
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${initramfs} \
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-netdev socket,id=access,mcast=230.0.0.1:1234,localaddr=127.0.0.1 \
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-device virtio-net-pci,disable-legacy=on,disable-modern=off,netdev=access,mac=ba:ad:1d:ea:21:02 \
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-netdev socket,id=lan,mcast=230.0.0.1:1235,localaddr=127.0.0.1 \
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-device virtio-net-pci,disable-legacy=on,disable-modern=off,netdev=lan,mac=ba:ad:1d:ea:21:01 \
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-kernel $1 -display none $flags ${QEMU_OPTIONS}
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