# Define the object files OBJS = bin/boot.o bin/kernel.o bin/idt.o bin/isr.o bin/screen.o bin/utils.o bin/string.o bin/stdio.o bin/disk.o bin/pic.o bin/pit.o bin/keyboard.o # Define the compiler and assembler CC = gcc -D__is_katauos AS = nasm # Define the compiler flags CFLAGS = -std=gnu99 -ffreestanding -O0 -Wall -Wextra -m32 -g ASFLAGS = -f elf32 # Define the linker flags LDFLAGS = -ffreestanding -O0 -nostdlib -m32 -g LDSCRIPT = link.ld # Define the output file OUTPUT = myos.bin all: $(OUTPUT) image: cp myos.bin grubshit/boot/ grub-mkrescue -o boot.iso grubshit test: qemu-system-i386 -drive file=boot.iso,media=disk,format=raw -m 512M -d int test-bochs: bochs -f bochsrc $(OUTPUT): $(OBJS) $(CC) -T $(LDSCRIPT) -o $@ $(OBJS) $(LDFLAGS) bin/boot.o: src/boot.asm $(AS) $(ASFLAGS) $< -o $@ bin/kernel.o: src/kernel.c $(CC) $(CFLAGS) -c $< -o $@ bin/screen.o: src/screen.c $(CC) $(CFLAGS) -c $< -o $@ bin/isr.o: src/isr.c $(CC) $(CFLAGS) -mgeneral-regs-only -c $< -o $@ bin/idt.o: src/idt.c $(CC) $(CFLAGS) -c $< -o $@ bin/utils.o: src/utils.c $(CC) $(CFLAGS) -c $< -o $@ bin/string.o: src/string.c $(CC) $(CFLAGS) -c $< -o $@ bin/stdio.o: src/stdio.c $(CC) $(CFLAGS) -c $< -o $@ bin/disk.o: src/disk.c $(CC) $(CFLAGS) -c $< -o $@ bin/pic.o: src/pic.c $(CC) $(CFLAGS) -c $< -o $@ bin/pit.o: src/pit.c $(CC) $(CFLAGS) -c $< -o $@ bin/keyboard.o: src/keyboard.c $(CC) $(CFLAGS) -c $< -o $@ clean: rm -rf bin/ rm -f $(OUTPUT) rm boot.iso .PHONY: all clean