#!/bin/sh
# Runs qemu, booting from disk on mips(el).
set -e

if [ -z "$QEMU_COMMAND" ]; then
	QEMU_COMMAND=qemu
fi

# Qemu needs a dummy bios file for mips.
mkdir -p $STATE_DIR/qemu-$MACHINE-$SCHEME.files
dd if=/dev/zero of=$STATE_DIR/qemu-$MACHINE-$SCHEME.files/${ARCH}_bios.bin bs=1024 count=128

# Support either of these names, both make some sense..
if [ -z "$NETBOOT_KERNEL" ]; then
	NETBOOT_KERNEL="$QEMU_KERNEL"
fi
if [ -z "$NETBOOT_IMAGE" ]; then
	NETBOOT_IMAGE="$QEMU_INITRD"
fi

if [ -z "$QEMU_DISK" ]; then
	QEMU_DISK=$STATE_DIR/qemu-$MACHINE-$SCHEME.img
fi

if [ ! -e "$NETBOOT_KERNEL" ]; then
	echo "$NETBOOT_KERNEL does not exist" >&2
	exit 1
fi

# Store the pid so stopqemu can stop it later.
echo "$$" > $STATE_DIR/qemu-$MACHINE-$SCHEME.pid
exec $QEMU_COMMAND \
	-kernel $NETBOOT_KERNEL \
	-hda $QEMU_DISK \
	-boot c \
	-append "root=$ROOTDEV $CONSOLEPARAMS" \
	-nographic \
	-L $STATE_DIR/qemu-$MACHINE-$SCHEME.files \
	-net nic -net user,hostname=$MACHINE \
	-no-reboot \
	$QEMU_EXTRA_PARAMS \
	-serial tcp:localhost:$QEMU_SERIAL_PORT,server