#!/bin/sh

script_path=$(cd -P -- "$(dirname -- "$0")" && pwd -P)
cd "$script_path"

#SERENITY_PACKET_LOGGING_ARG="-object filter-dump,id=hue,netdev=breh,file=e1000.pcap"

[ -e /dev/kvm -a -r /dev/kvm -a -w /dev/kvm ] && SERENITY_KVM_ARG="-enable-kvm"

[ -z "$SERENITY_BOCHS_BIN" ] && SERENITY_BOCHS_BIN="bochs"

[ -z "$SERENITY_QEMU_BIN" ] && SERENITY_QEMU_BIN="qemu-system-i386"

[ -z "$SERENITY_KERNEL_CMDLINE" ] && SERENITY_KERNEL_CMDLINE="hello"

[ -z "$SERENITY_RAM_SIZE" ] && SERENITY_RAM_SIZE=128M

[ -z "$SERENITY_COMMON_QEMU_ARGS" ] && SERENITY_COMMON_QEMU_ARGS="
$SERENITY_EXTRA_QEMU_ARGS
-s -m $SERENITY_RAM_SIZE
-d cpu_reset,guest_errors 
-device VGA,vgamem_mb=64
-hda _disk_image
-debugcon stdio
-soundhw pcspk
-soundhw sb16
"

export SDL_VIDEO_X11_DGAMOUSE=0

if [ "$1" = "b" ]; then
    # ./run b: bochs
    $SERENITY_BOCHS_BIN -q -f .bochsrc
elif [ "$1" = "qn" ]; then
    # ./run qn: qemu without network
    $SERENITY_QEMU_BIN \
        $SERENITY_COMMON_QEMU_ARGS \
        -device e1000 \
        -kernel kernel \
        -append "${SERENITY_KERNEL_CMDLINE}"
elif [ "$1" = "qtap" ]; then
    # ./run qtap: qemu with tap
    sudo $SERENITY_QEMU_BIN \
        $SERENITY_COMMON_QEMU_ARGS \
        $SERENITY_KVM_ARG \
        $SERENITY_PACKET_LOGGING_ARG \
        -netdev tap,ifname=tap0,id=br0 \
        -device e1000,netdev=br0 \
        -kernel kernel \
        -append "${SERENITY_KERNEL_CMDLINE}"
elif [ "$1" = "qgrub" ]; then
    # ./run qgrub: qemu with grub
    $SERENITY_QEMU_BIN \
        $SERENITY_COMMON_QEMU_ARGS \
        $SERENITY_KVM_ARG \
        $SERENITY_PACKET_LOGGING_ARG \
        -netdev user,id=breh,hostfwd=tcp:127.0.0.1:8888-10.0.2.15:8888,hostfwd=tcp:127.0.0.1:8823-10.0.2.15:23 \
        -device e1000,netdev=breh
elif [ "$1" = "qcmd" ]; then
    SERENITY_KERNEL_CMDLINE=""
    # FIXME: Someone who knows sh syntax better, please help:
    for i in `seq 2 $#`; do
        shift
        SERENITY_KERNEL_CMDLINE="$SERENITY_KERNEL_CMDLINE $1"
    done
    echo "Starting SerenityOS, Commandline: ${SERENITY_KERNEL_CMDLINE}"
    # ./run: qemu with serenity with custom commandline
    $SERENITY_QEMU_BIN \
        $SERENITY_COMMON_QEMU_ARGS \
        -device e1000 \
        -kernel kernel \
        -append "${SERENITY_KERNEL_CMDLINE}"
else
    # ./run: qemu with user networking
    $SERENITY_QEMU_BIN \
        $SERENITY_COMMON_QEMU_ARGS \
        $SERENITY_KVM_ARG \
        $SERENITY_PACKET_LOGGING_ARG \
        -netdev user,id=breh,hostfwd=tcp:127.0.0.1:8888-10.0.2.15:8888,hostfwd=tcp:127.0.0.1:8823-10.0.2.15:23 \
        -device e1000,netdev=breh \
        -kernel kernel \
        -append "${SERENITY_KERNEL_CMDLINE}"
fi