Makefile

CC      := gcc
LD      := ld
AS      := nasm
QEMU    := qemu-system-x86_64

# Флаги компилятора
BASE_CFLAGS := -m64
DEBUG_CFLAGS := -m64 -g -O0 -DDEBUG

# Флаги линковки
LDFLAGS  := -m elf_x86_64 -T link.ld

# Флаги ассемблера
ASMFLAGS       := -f elf64
ASMFLAGS_DEBUG := -f elf64 -g -F dwarf

# Источники
SRCS_AS := boot/boot.asm base/int/isr_stubs.asm base/int/isr32.asm base/int/lidt_load.asm base/int/isr33.asm base/int/isr46.asm base/int/isr47.asm base/int/isr13.asm base/int/isr14.asm
SRCS_C  := main.c base/int/idt.c base/mb2/mb2.c base/mem/mem.c base/sched/sched.c base/sched/tss.c base/time/timer.c base/time/clock.c base/time/rtc.c drv/pic/pic.c drv/io/io.c libc/string.c libc/stckprt.c drv/fb/fb.c base/term/term.c drv/pci/pci.c base/rsod/rsod.c drv/sound/pcs/pcs.c drv/kbd/kbd.c drv/acpi/acpi.c drv/disk/ide.c base/term/cmd.c drv/block/blockdev.c drv/usb/usbdev/usbdev.c drv/usb/ehci/ehci.c drv/acpi/aml.c base/mem/pmm.c base/mem/paging.c base/exp/exp.c base/term/tio.c drv/disk/ahci.c  fs/vfs/vfs.c fs/exfat/exfat.c base/elfload/elfload.c fs/devfs/devfs.c fs/devfs/blk.c fs/devfs/std.c
# Объекты
ASM_OBJS := $(patsubst %.asm,build/%.asm.o,$(SRCS_AS))
C_OBJS   := $(patsubst %.c,build/%.c.o,$(SRCS_C))
OBJECTS  := $(ASM_OBJS) $(C_OBJS)

BUILD_KERNEL := build/kernel.elf
QEMU_OPTS ?=

.PHONY: all clean builddir run debug

all: builddir $(BUILD_KERNEL)

builddir:
	@mkdir -p build

# Правила для asm
build/%.asm.o: %.asm
	@mkdir -p $(dir $@)
	$(AS) $(ASMFLAGS) $< -o $@

# Правила для c
build/%.c.o: %.c
	@mkdir -p $(dir $@)
	$(CC) $(BASE_CFLAGS) $(EXTRA_CFLAGS) -c $< -o $@

$(BUILD_KERNEL): $(OBJECTS) link.ld
	@mkdir -p $(dir $@)
	$(LD) $(LDFLAGS) -o $@ $(OBJECTS)

# debug-сборка: подменяем флаги
debug: EXTRA_CFLAGS=$(DEBUG_CFLAGS)
debug: ASMFLAGS=$(ASMFLAGS_DEBUG)
debug: all
	$(QEMU) -kernel $(BUILD_KERNEL) -serial stdio $(QEMU_OPTS)

run: all
	$(QEMU) -kernel $(BUILD_KERNEL) $(QEMU_OPTS)

clean:
	rm -rf build