code/Makefile at lab0 · ZJU-OS/code · GitHub

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CONTAINER_NAME := zju-os-code
MAKEFLAGS := \
	ARCH=riscv \
	CROSS_COMPILE=riscv64-linux-gnu-

# File Locations
ROOTFS_PATH := ../rootfs.ext2
INITRD_PATH := ../initrd.gz
FAT32_PATH := ../fat32.img
KERNEL_PATH := $(wildcard ../linux-*)
#KERNEL_PATH := kernel
IMAGE_PATH := $(KERNEL_PATH)/arch/riscv/boot/Image
VMLINUX_PATH := $(KERNEL_PATH)/vmlinux
OPENSBI_FW_JUMP_PATH := /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_jump.elf
OPENSBI_FW_DYNAMIC_PATH := /usr/lib/riscv64-linux-gnu/opensbi/generic/fw_dynamic.elf

# Alternative Targets
GDB_INIT_SCRIPT := gdbinit
#GDB_INIT_SCRIPT := gdbinit.py
GDB_TARGET := $(VMLINUX_PATH)
#GDB_TARGET := $(FW_DYNAMIC_PATH)

SIMULATOR := qemu-system-riscv64
ifeq ($(SIMULATOR),qemu-system-riscv64)
    SIMULATOR_OPTS := \
        -nographic \
        -machine virt \
        -kernel $(IMAGE_PATH) \
        -drive file=$(ROOTFS_PATH),format=raw,id=hd0,if=none \
        -device virtio-blk-device,drive=hd0 \
        -netdev user,id=net0 \
        -device virtio-net-device,netdev=net0 \
        -append "root=/dev/vda ro console=ttyS0"
    SIMULATOR_DEBUG_OPTS := -s -S
else ifeq ($(SIMULATOR),spike)
	SIMULATOR_OPTS := \
	    --kernel=$(IMAGE_PATH) \
		--initrd=$(INITRD_PATH) \
	    --real-time-clint \
	    $(OPENSBI_FW_JUMP_PATH)
	SIMULATOR_DEBUG_OPTS := --halted --rbb-port=9824
else
	$(error Unsupported simulator: $(SIMULATOR))
endif

.PHONY: build all clean qemu qemu-debug gdb

ifeq ($(shell which docker),)
# inside docker
all:
	make $(MAKEFLAGS) -C $(KERNEL_PATH) defconfig
	bear -- make $(MAKEFLAGS) -C $(KERNEL_PATH) -j$(shell nproc)
clean:
	make -C $(KERNEL_PATH) clean
%:
	make $(MAKEFLAGS) -C $(KERNEL_PATH) $@
else
# outside docker
all:
	docker compose create --no-recreate
	docker compose start
	docker compose exec -it $(CONTAINER_NAME) /usr/bin/fish
	docker compose stop
clean:
	docker compose down -v --remove-orphans
update: clean
	docker compose pull
endif

run:
	$(SIMULATOR) $(SIMULATOR_OPTS)

debug:
	$(SIMULATOR) $(SIMULATOR_DEBUG_OPTS) $(SIMULATOR_OPTS)

gdb:
	gdb-multiarch -x $(GDB_INIT_SCRIPT) $(VMLINUX_PATH)

ocd:
	openocd -f openocd.cfg