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AS = i686-elf-as
CC = i686-elf-gcc
CFLAGS = -std=gnu99 -ffreestanding -O2 -Wall -Wextra
CFLAGS += -I.
LFLAGS = -ffreestanding -O2 -nostdlib -lgcc
QFLAGS = -no-reboot -d guest_errors
OBJ = platform/boot.o
OBJ += $(patsubst %.c,%.o,$(wildcard kernel/*.c))
.PHONY: boot debug clean
boot: kernel.bin
qemu-system-i386 -kernel kernel.bin $(QFLAGS) -no-shutdown
debug: kernel.bin
qemu-system-i386 -kernel kernel.bin $(QFLAGS) -s -S &
sleep 1
gdb
clean:
rm -vf kernel.bin
rm -vf **/*.o
kernel.bin: $(OBJ)
$(CC) $(LFLAGS) -T linker.ld $^ -o $@
grub-file --is-x86-multiboot $@
platform/boot.o: platform/boot.s
$(AS) $^ -o $@
%.o: %.c
$(CC) $(CFLAGS) -c $^ -o $@
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