Pridana verze v0.1

Makefile

@@ -0,0 +1,84 @@
+# AsterOS build systém
+
+ARCH := x86_64
+# Prefer dedicated cross toolchain, fallback to host toolchain when unavailable.
+CROSS ?= $(shell if command -v x86_64-elf-gcc >/dev/null 2>&1; then echo x86_64-elf-; else echo; fi)
+CC := $(CROSS)gcc
+LD := $(CROSS)ld
+OBJCOPY := $(CROSS)objcopy
+AS := nasm
+
+CFLAGS := -std=gnu11 -ffreestanding -fno-stack-protector -fno-pic -m64 -Wall -Wextra -Iinclude
+LDFLAGS := -nostdlib -T linker.ld
+
+BUILD := build
+IMG := $(BUILD)/aster.img
+DATA_DISK := asterfs.img
+BRIDGE_IF ?= br0
+
+KERNEL_OBJS := \
+	$(BUILD)/arch/x86_64/entry.o \
+	$(BUILD)/arch/x86_64/gdt.o \
+	$(BUILD)/arch/x86_64/idt.o \
+	$(BUILD)/arch/x86_64/interrupts.o \
+	$(BUILD)/arch/x86_64/cpu.o \
+	$(BUILD)/kernel/main.o \
+	$(BUILD)/kernel/panic.o \
+	$(BUILD)/kernel/printk.o \
+	$(BUILD)/kernel/memory.o \
+	$(BUILD)/kernel/process.o \
+	$(BUILD)/kernel/scheduler.o \
+	$(BUILD)/kernel/syscall.o \
+	$(BUILD)/kernel/aster_api.o \
+	$(BUILD)/kernel/string.o \
+	$(BUILD)/drivers/display.o \
+	$(BUILD)/drivers/keyboard.o \
+	$(BUILD)/drivers/timer.o \
+	$(BUILD)/drivers/storage.o
+
+all: $(IMG)
+
+$(BUILD):
+	mkdir -p $(BUILD)/boot $(BUILD)/kernel $(BUILD)/arch/x86_64 $(BUILD)/drivers
+
+$(BUILD)/boot/boot.bin: boot/boot.asm | $(BUILD)
+	$(AS) -f bin $< -o $@
+
+$(BUILD)/boot/stage2.bin: boot/stage2.asm boot/disk.asm | $(BUILD)
+	$(AS) -I boot/ -f bin $< -o $@
+
+$(BUILD)/arch/x86_64/%.o: arch/x86_64/%.asm | $(BUILD)
+	$(AS) -f elf64 $< -o $@
+
+$(BUILD)/arch/x86_64/%.o: arch/x86_64/%.c | $(BUILD)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+$(BUILD)/kernel/%.o: kernel/%.c | $(BUILD)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+$(BUILD)/drivers/%.o: drivers/%.c | $(BUILD)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+$(BUILD)/kernel.elf: $(KERNEL_OBJS) linker.ld
+	$(LD) $(LDFLAGS) -o $@ $(KERNEL_OBJS)
+
+$(BUILD)/kernel.bin: $(BUILD)/kernel.elf
+	$(OBJCOPY) -O binary $< $@
+
+$(IMG): $(BUILD)/boot/boot.bin $(BUILD)/boot/stage2.bin $(BUILD)/kernel.bin
+	dd if=/dev/zero of=$(IMG) bs=512 count=2880
+	dd if=$(BUILD)/boot/boot.bin of=$(IMG) conv=notrunc
+	dd if=$(BUILD)/boot/stage2.bin of=$(IMG) bs=512 seek=1 conv=notrunc
+	dd if=$(BUILD)/kernel.bin of=$(IMG) bs=512 seek=17 conv=notrunc
+
+$(DATA_DISK):
+	if [ -f $(BUILD)/asterfs.img ] && [ ! -f $(DATA_DISK) ]; then cp $(BUILD)/asterfs.img $(DATA_DISK); fi
+	test -f $(DATA_DISK) || dd if=/dev/zero of=$(DATA_DISK) bs=512 count=8192
+
+run: $(IMG) $(DATA_DISK)
+	qemu-system-x86_64 -no-reboot -no-shutdown -drive format=raw,file=$(IMG),if=ide,index=0 -drive format=raw,file=$(DATA_DISK),if=ide,index=1
+
+clean:
+	rm -rf $(BUILD)
+
+.PHONY: all run clean