85 lines
2.5 KiB
Makefile
85 lines
2.5 KiB
Makefile
# AsterOS build systém
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ARCH := x86_64
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# Prefer dedicated cross toolchain, fallback to host toolchain when unavailable.
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CROSS ?= $(shell if command -v x86_64-elf-gcc >/dev/null 2>&1; then echo x86_64-elf-; else echo; fi)
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CC := $(CROSS)gcc
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LD := $(CROSS)ld
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OBJCOPY := $(CROSS)objcopy
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AS := nasm
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CFLAGS := -std=gnu11 -ffreestanding -fno-stack-protector -fno-pic -m64 -Wall -Wextra -Iinclude
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LDFLAGS := -nostdlib -T linker.ld
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BUILD := build
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IMG := $(BUILD)/aster.img
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DATA_DISK := asterfs.img
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BRIDGE_IF ?= br0
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KERNEL_OBJS := \
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$(BUILD)/arch/x86_64/entry.o \
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$(BUILD)/arch/x86_64/gdt.o \
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$(BUILD)/arch/x86_64/idt.o \
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$(BUILD)/arch/x86_64/interrupts.o \
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$(BUILD)/arch/x86_64/cpu.o \
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$(BUILD)/kernel/main.o \
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$(BUILD)/kernel/panic.o \
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$(BUILD)/kernel/printk.o \
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$(BUILD)/kernel/memory.o \
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$(BUILD)/kernel/process.o \
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$(BUILD)/kernel/scheduler.o \
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$(BUILD)/kernel/syscall.o \
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$(BUILD)/kernel/aster_api.o \
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$(BUILD)/kernel/string.o \
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$(BUILD)/drivers/display.o \
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$(BUILD)/drivers/keyboard.o \
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$(BUILD)/drivers/timer.o \
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$(BUILD)/drivers/storage.o
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all: $(IMG)
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$(BUILD):
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mkdir -p $(BUILD)/boot $(BUILD)/kernel $(BUILD)/arch/x86_64 $(BUILD)/drivers
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$(BUILD)/boot/boot.bin: boot/boot.asm | $(BUILD)
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$(AS) -f bin $< -o $@
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$(BUILD)/boot/stage2.bin: boot/stage2.asm boot/disk.asm | $(BUILD)
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$(AS) -I boot/ -f bin $< -o $@
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$(BUILD)/arch/x86_64/%.o: arch/x86_64/%.asm | $(BUILD)
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$(AS) -f elf64 $< -o $@
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$(BUILD)/arch/x86_64/%.o: arch/x86_64/%.c | $(BUILD)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/kernel/%.o: kernel/%.c | $(BUILD)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/drivers/%.o: drivers/%.c | $(BUILD)
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$(CC) $(CFLAGS) -c $< -o $@
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$(BUILD)/kernel.elf: $(KERNEL_OBJS) linker.ld
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$(LD) $(LDFLAGS) -o $@ $(KERNEL_OBJS)
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$(BUILD)/kernel.bin: $(BUILD)/kernel.elf
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$(OBJCOPY) -O binary $< $@
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$(IMG): $(BUILD)/boot/boot.bin $(BUILD)/boot/stage2.bin $(BUILD)/kernel.bin
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dd if=/dev/zero of=$(IMG) bs=512 count=2880
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dd if=$(BUILD)/boot/boot.bin of=$(IMG) conv=notrunc
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dd if=$(BUILD)/boot/stage2.bin of=$(IMG) bs=512 seek=1 conv=notrunc
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dd if=$(BUILD)/kernel.bin of=$(IMG) bs=512 seek=17 conv=notrunc
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$(DATA_DISK):
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if [ -f $(BUILD)/asterfs.img ] && [ ! -f $(DATA_DISK) ]; then cp $(BUILD)/asterfs.img $(DATA_DISK); fi
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test -f $(DATA_DISK) || dd if=/dev/zero of=$(DATA_DISK) bs=512 count=8192
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run: $(IMG) $(DATA_DISK)
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qemu-system-x86_64 -no-reboot -no-shutdown -drive format=raw,file=$(IMG),if=ide,index=0 -drive format=raw,file=$(DATA_DISK),if=ide,index=1
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clean:
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rm -rf $(BUILD)
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.PHONY: all run clean
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