#!/bin/bash
# This file is part of noxos and licensed under the MIT open source license

EMUFLAGS="-no-reboot -machine type=q35,accel=kvm -cpu max -m 256M \
          -drive file=build/noxos.iso \
          -chardev stdio,id=log,logfile=noxos.log -serial chardev:log"

OVMF_PATH="/usr/share/ovmf/x64/OVMF.fd"
if [[ -f "/usr/share/OVMF/OVMF.fd" ]]; then
    OVMF_PATH="/usr/share/OVMF/OVMF.fd"
fi

emulate_bios() {
    echo "<=====| Emulating |=====>"
    qemu-system-x86_64 $EMUFLAGS
}

emulate_uefi() {
    echo "<=====| Emulating in UEFI mode |=====>"
    qemu-system-x86_64 -bios $OVMF_PATH $EMUFLAGS
}

# qemu will wait for gdb to connect, before booting
emulate_debug() {
    echo "<=====| Emulating in debug mode |=====>"
    qemu-system-x86_64 -s -S -bios $OVMF_PATH $EMUFLAGS
}

case $1 in
    "debug")
        emulate_debug
        ;;
    "bios")
        emulate_bios
        ;;
    *)
        emulate_uefi
        ;;
esac