CFLAGS = -g -std=gnu11 -m32 -mgeneral-regs-only -nostdlib -fno-builtin -fno-exceptions -fno-leading-underscore -fno-pie -fno-stack-protector -Wno-pointer-to-int-cast CXXFLAGS = -g -m32 -fno-use-cxa-atexit -mgeneral-regs-only -nostdlib -fno-builtin -fno-rtti -fno-exceptions -fno-leading-underscore -fpermissive -fno-pie -fno-stack-protector -I. LDFLAGS = DISK_IMG_FILES = build/kernel/kernel.bin build/program/program.bin build/program/hello.bin \ build/program/world.bin hello.txt alpha.txt KERNEL_OBJS = build/kernel/entry.o build/kernel/screenstuff.o build/kernel/io.o build/kernel/idt.o build/kernel/keyboard.o \ build/kernel/strings.o build/kernel/atapio.o build/kernel/kmain.o build/kernel/paging.o build/kernel/allocate.o \ build/kernel/gdt.o build/kernel/memory.o build/kernel/process.o build/kernel/datatypes/hash.o \ build/kernel/terminal.o build/kernel/global.o build/kernel/kernel.o STAGE2_OBJS = build/c_code_entry.o build/boot_stage2/io.o build/boot_stage2/atapio.o build/boot_stage2/strings.o build/boot_stage2/screenstuff.o build/boot_stage2/stage2.o build/boot_stage2/paging.o PROGRAM_OBJS = build/program_code_entry.o build/program/program.o build/common/common.o HELLO_OBJS = build/program_code_entry.o build/program/hello.o build/common/common.o WORLD_OBJS = build/program_code_entry.o build/program/world.o build/common/common.o run: disk.img qemu-system-x86_64 disk.img debug: disk.img qemu-system-x86_64 -s -S -no-reboot -no-shutdown disk.img & gdb --command=gdbscript disk.img: clean prepare build/boot/boot.bin build/boot_stage2/boot.bin $(DISK_IMG_FILES) dd if=/dev/zero of=disk.img count=43 bs=100k dd if=build/boot/boot.bin of=disk.img conv=notrunc dd obs=512 seek=1 if=build/boot_stage2/boot.bin of=disk.img conv=notrunc mount disk.img img.d cp $(DISK_IMG_FILES) img.d/ umount img.d chmod 777 disk.img prepare: mkdir -p img.d mkdir -p build/boot mkdir -p build/boot_stage2 mkdir -p build/kernel mkdir -p build/kernel/datatypes mkdir -p build/program mkdir -p build/common mountpoint img.d | grep not || umount img.d clean: rm -rf build build/boot/boot.bin: src/boot/boot.asm nasm $< -o $@ # Boot Stage 2 build/boot_stage2/boot.bin: src/boot_stage2/boot_stage2.ld $(STAGE2_OBJS) ld $(LDFLAGS) -T $< $(STAGE2_OBJS) build/boot_stage2/%.o: src/boot_stage2/%.c gcc $(CFLAGS) -o $@ -c $< # Kernel build/%.bin: build/%.elf objcopy -O binary $< $@ build/kernel/kernel.elf: src/kernel/kernel.ld $(KERNEL_OBJS) ld $(LDFLAGS) -T $< $(KERNEL_OBJS) build/boot_stage2/stage2.o: src/boot_stage2/main.c gcc $(CFLAGS) -o $@ -c $< build/%.o: src/%.c gcc $(CFLAGS) -o $@ -c $< build/%.o: src/%.cpp g++ $(CXXFLAGS) -o $@ -c $< build/%.o: src/%.asm nasm -felf32 $< -o $@ # Program build/program/program.bin: src/program/program.ld $(PROGRAM_OBJS) ld $(LDFLAGS) -T $< $(PROGRAM_OBJS) build/program/hello.bin: src/program/hello.ld $(HELLO_OBJS) ld $(LDFLAGS) -T $< $(HELLO_OBJS) build/program/world.bin: src/program/world.ld $(WORLD_OBJS) ld $(LDFLAGS) -T $< $(WORLD_OBJS)