SCRIPT_ABS_FILENAME=`LC_ALL=en_US.ISO8859-1 perl -e 'use Cwd "abs_path";print abs_path(shift)' "${BASH_SOURCE[0]}"`
SCRIPT_DIR=`dirname "$SCRIPT_ABS_FILENAME"`


OSTYPE=`uname -s`
#echo $OSTYPE

if [ -z "$1" ]
then
	if [ -f "$SCRIPT_DIR"/../Build/Clover/DEBUG_GCC53/X64/CLOVERX64.debug ]
	then
		clover_debug_file="$SCRIPT_DIR"/../Build/Clover/DEBUG_GCC53/X64/CLOVERX64.debug
  		echo Using default file "$clover_debug_file"
	else
		echo "Usage: $SCRIPT_ABS_FILENAME [Clover debug file]"
		exit 1
	fi
else
	clover_debug_file="${1%.*}".debug
fi

if ! [ -f "$clover_debug_file" ]
then
	echo Debug file "$clover_debug_file" doesn\'t exist
	exit 1
fi

clover_efi_file="${clover_debug_file%.*}".efi
if ! [ -f "$clover_efi_file" ]
then
	echo Efi file "$clover_efi_file" doesn\'t exist
	exit 1
fi

echo clover_debug_file="$clover_debug_file"
echo clover_efi_file="$clover_efi_file"

set -x

if [ "$OSTYPE" = "Darwin" ]
then
	if ! [ -f /usr/local/bin/qemu-system-x86_64 ]
	then
		echo "You must install Qemu with \"brew install qemu\""
		exit 1
	fi
	if ! [ -f "$SCRIPT_DIR"/disk_image_gpt.img ]
	then
		unzip -o "$SCRIPT_DIR"/disk_image_gpt.img.zip
		rm -rf "$SCRIPT_DIR"/__MACOSX
	fi

	if pgrep qemu
	then
	  killall qemu-system-x86_64
	fi
	> "$SCRIPT_DIR"/serial0_qemu_out.log # empty file without erasing it. Useful for editor for refreshing and reloading.

	hdiutil attach "$SCRIPT_DIR"/disk_image_gpt.img || exit 1

	shopt -s nocasematch

	if [[ "$(basename "$clover_debug_file")" =~ "CloverX64"* ]]
	then
	  echo ditto "${clover_debug_file%.*}".efi /Volumes/QEMU_EFI/EFI/CLOVER/CLOVERX64.efi
		ditto "${clover_debug_file%.*}".efi /Volumes/QEMU_EFI/EFI/CLOVER/CLOVERX64.efi || exit 1

		echo ditto "${clover_debug_file%.*}".efi /Volumes/QEMU_EFI/EFI/BOOT/BOOTX64.efi
		ditto "${clover_debug_file%.*}".efi /Volumes/QEMU_EFI/EFI/BOOT/BOOTX64.efi || exit 1
	else
	  : # TODO : if it's a module, has to be copied in Drivers
	fi

	shopt -u nocasematch

	diskutil eject /Volumes/QEMU_EFI || exit 1
	
  	sleep 1 # not 100% sure it's needed

    set -m

	/usr/local/bin/qemu-system-x86_64 \
	    -L "$SCRIPT_DIR" \
	    -m 2048 \
	    -cpu core2duo \
	    -bios "$SCRIPT_DIR"/bios.bin-1.13.0 \
	    -machine q35 \
	    -device VGA,vgamem_mb=64,edid=on,xres=1024,yres=768 \
	    -device ahci,id=ahi \
	    -drive format=raw,id=hda,file="$SCRIPT_DIR"/disk_image_gpt.img \
	    -usb \
	    -device usb-mouse,bus=usb-bus.0,port=2 \
	    -device usb-kbd,bus=usb-bus.0,port=1 \
		-serial file:"$SCRIPT_DIR"/serial0_qemu_out.log \
	    -gdb tcp::9000 &
	    [[ $? == 0 ]] || exit 1

	set +m

	count=1
	timeout=60
	image_base_str="Clover : Image base = "

    getImageBase() {
		[ -f "$SCRIPT_DIR"/serial0_qemu_out.log ] || return 1
		grep "$image_base_str" "$SCRIPT_DIR"/serial0_qemu_out.log
		return $?
	}


	while [ $count -le $timeout ] && ! getImageBase
	do
	  sleep 1
	  count=$((count+1))
	done

	if [ $count -ge $timeout ]
	then
	  echo Cannot find "\"Clover : Image base = \"" in "$SCRIPT_DIR"/serial0_qemu_out.log after $timeout seconds
	  exit 1
	fi

	adr="$(grep "$image_base_str" "$SCRIPT_DIR"/serial0_qemu_out.log | awk '{printf "0x%x",$8/NR}')"
    echo adr="$adr"

    gdb --eval-command="file "$clover_debug_file" -o $adr" \
      --eval-command="target remote localhost:9000" \
	  --eval-command="rwatch *0" \
	  --eval-command="br panic_()" \
      --eval-command="continue"


	exit 0



fi