NAME=vriscv CC=gcc CFLAGS=-O3 -Wall -I src LDFLAGS=-lpthread BUILD_DIR=build # Risc-V toolchain RV_LINUX_CCPREFIX=riscv32-unknown-linux-gnu- C_FILES := $(shell find src/ -name '*.c') all: $(BUILD_DIR)/$(NAME) # Top-level target : vriscv $(BUILD_DIR)/$(NAME): $(C_FILES) | $(BUILD_DIR) $(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS) # Build directory $(BUILD_DIR): mkdir -p $(BUILD_DIR) # Clean : clean build directory .PHONY: clean clean: rm -rf $(BUILD_DIR) rungdb: all echo $(shell objdump -h ../riscv-pk/build/bbl | grep .payload | awk '{print $4}') # Linux and bootloader, for running linux $(BUILD_DIR)/linux: cd $(BUILD_DIR) && git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git --depth 1 -b v6.6 $(BUILD_DIR)/linux/.config: hardware/linux.config cp hardware/linux.config $(BUILD_DIR)/linux/.config $(BUILD_DIR)/linux/vmlinux: $(BUILD_DIR)/linux/.config | $(BUILD_DIR)/linux cd $(BUILD_DIR)/linux/ && make ARCH=riscv CROSS_COMPILE=$(RV_LINUX_CCPREFIX) -j7 vmlinux $(BUILD_DIR)/riscv-pk: cd $(BUILD_DIR) && git clone https://github.com/riscv-software-src/riscv-pk --depth 1 $(BUILD_DIR)/riscv-pk/build: | $(BUILD_DIR)/riscv-pk mkdir $(BUILD_DIR)/riscv-pk/build $(BUILD_DIR)/riscv-pk/build/bbl: $(BUILD_DIR)/linux/vmlinux hardware/vriscv.dts | $(BUILD_DIR)/riscv-pk/build cd $(BUILD_DIR)/riscv-pk/build && ../configure \ --prefix=$(CURDIR)/$(BUILD_DIR)/riscv-pk/build/prefix \ --host=riscv32-unknown-elf \ --with-arch=rv32ima_zicsr_zifencei --with-abi=ilp32 \ --with-dts=../../../hardware/vriscv.dts \ --with-payload=../../linux/vmlinux cd $(BUILD_DIR)/riscv-pk/build && make && make install # Run : run linux on the emulator .PHONY: run .SILENT: run run: all $(BUILD_DIR)/riscv-pk/build/bbl ./$(BUILD_DIR)/$(NAME) -m4096 $(BUILD_DIR)/riscv-pk/build/bbl # Test : all the tests .PHONY: tests .SILENT: tests tests: all make -C tests