SHELL := $(shell which bash)
.ONESHELL:

ASM = $(wildcard *.s)
ATT = $(BIN:.bin=.att)
BIN = $(OBJ:.o=.bin)
OBJ = $(ASM:.s=.o)

all: qemu | $(ATT)

clean: kill
	-rm -fv $(ATT) $(BIN) $(OBJ) core.* *~

curses: $(BIN)
	gnome-terminal --geometry 80x25 -- qemu-system-i386 -display curses -drive file=$<,format=raw -k es -serial mon:stdio &

debug: $(BIN) | kill
	port=$$(( 1024 + $$UID ))
	qemu-system-i386 -drive file=$<,format=raw -gdb tcp::$$port -k es &> /dev/null &
	pushd ..
	gdb -ix gdb_init_real_mode.txt \
	    -ex 'set tdesc filename target.xml' \
	    -ex "target remote localhost:$$port" \
	    -ex 'hbr *0x7c00' \
	    -ex 'printf "¡No olvides establecer un punto de ruptura para el controlador de interrupciones del teclado!\n"'
	popd

kill:
	-killall -q qemu-system-i386 || true

qemu: $(BIN)
	qemu-system-i386 -drive file=$<,format=raw &> /dev/null &

%.att: %.bin
	objdump -D -b binary -mi8086 -Maddr16,data16 $< > $@

%.bin: %.o
	ld -T../linker.ld $< -o $@

.PHONY: all clean curses debug kill qemu