Subversion Repositories potato

# The Potato Processor - A simple RISC-V based processor for FPGAs

# (c) Kristian Klomsten Skordal 2014 - 2015 

# Report bugs and issues on 

.PHONY: all clean checkout-riscv-tests potato.prj

SOURCE_FILES := \

        src/pp_alu.vhd \

        src/pp_alu_mux.vhd \

        src/pp_alu_control_unit.vhd \

        src/pp_comparator.vhd \

        src/pp_constants.vhd \

        src/pp_control_unit.vhd \

        src/pp_core.vhd \

        src/pp_counter.vhd \

        src/pp_csr.vhd \

        src/pp_csr_unit.vhd \

        src/pp_csr_alu.vhd \

        src/pp_decode.vhd \

        src/pp_execute.vhd \

        src/pp_fetch.vhd \

        src/pp_imm_decoder.vhd \

        src/pp_memory.vhd \

        src/pp_potato.vhd \

        src/pp_register_file.vhd \

        src/pp_types.vhd \

        src/pp_utilities.vhd \

        src/pp_wb_adapter.vhd \

        src/pp_writeback.vhd

TESTBENCHES := \

        testbenches/tb_processor.vhd \

        testbenches/tb_soc.vhd \

        soc/pp_soc_memory.vhd

TOOLCHAIN_PREFIX ?= riscv64-unknown-elf

# ISA tests to use from the riscv-tests repository:

RISCV_TESTS += \

        simple \

        add \

        addi \

        and \

        andi \

        auipc \

        beq \

        bge \

        bgeu \

        blt \

        bltu \

        bne \

        jal \

        jalr \

        j \

        or \

        ori \

        sll \

        slli \

        slt \

        slti \

        sra \

        srai \

        srl \

        srli \

        sub \

        sb \

        sh \

        sw \

        xor \

        xori \

        lb \

        lbu \

        lh \

        lhu \

        lw

# Local tests to run:

LOCAL_TESTS ?= \

        scall \

        sbreak

all: potato.prj run-tests

potato.prj:

        -$(RM) potato.prj

        for file in $(SOURCE_FILES) $(TESTBENCHES); do \

                echo "vhdl work $$file" >> potato.prj; \

        done

checkout-riscv-tests:

        if [ ! -d riscv-tests ]; then \

                git clone https://github.com/ucb-bar/riscv-tests.git; \

                pushd riscv-tests; \

                git submodule update --init --recursive; \

                popd; \

        else \

                pushd riscv-tests; \

                git pull; \

                popd; \

        fi

copy-riscv-tests: checkout-riscv-tests

        for test in $(RISCV_TESTS); do \

                cp riscv-tests/isa/rv32ui/$$test.S tests; \

        done

compile-tests: copy-riscv-tests

        test -d tests-build || mkdir tests-build

        for test in $(RISCV_TESTS) $(LOCAL_TESTS); do \

                echo "Compiling test $$test..."; \

                $(TOOLCHAIN_PREFIX)-gcc -I riscv-tests/env/p -c -I riscv-tests/isa/macros/scalar -m32 -o tests-build/$$test.o tests/$$test.S; \

                $(TOOLCHAIN_PREFIX)-ld -m elf32lriscv -T tests.ld tests-build/$$test.o -o tests-build/$$test.elf; \

                scripts/extract_hex.sh tests-build/$$test.elf tests-build/$$test-imem.hex tests-build/$$test-dmem.hex; \

        done

run-tests: potato.prj compile-tests

        for test in $(RISCV_TESTS) $(LOCAL_TESTS); do \

                echo -ne "Running test $$test:\t"; \

                DMEM_FILENAME="empty_dmem.hex"; \

                test -f tests-build/$$test-dmem.hex && DMEM_FILENAME="tests-build/$$test-dmem.hex"; \

                xelab tb_processor -generic_top "IMEM_FILENAME=tests-build/$$test-imem.hex" -generic_top "DMEM_FILENAME=$$DMEM_FILENAME" -prj potato.prj > /dev/null; \

                xsim tb_processor -R --onfinish quit > tests-build/$$test.results; \

                cat tests-build/$$test.results | awk '/Note:/ {print}' | sed 's/Note://' | awk '/Success|Failure/ {print}'; \

        done

run-soc-tests: potato.prj compile-tests

        for test in $(RISCV_TESTS) $(LOCAL_TESTS); do \

                echo -ne "Running SOC test $$test:\t"; \

                DMEM_FILENAME="empty_dmem.hex"; \

                test -f tests-build/$$test-dmem.hex && DMEM_FILENAME="tests-build/$$test-dmem.hex"; \

                xelab tb_soc -generic_top "IMEM_FILENAME=tests-build/$$test-imem.hex" -generic_top "DMEM_FILENAME=$$DMEM_FILENAME" -prj potato.prj > /dev/null; \

                xsim tb_soc -R --onfinish quit > tests-build/$$test.results-soc; \

                cat tests-build/$$test.results-soc | awk '/Note:/ {print}' | sed 's/Note://' | awk '/Success|Failure/ {print}'; \

        done

remove-xilinx-garbage:

        -$(RM) -r xsim.dir

        -$(RM) xelab.* webtalk* xsim*

clean: remove-xilinx-garbage

        for test in $(RISCV_TESTS); do $(RM) tests/$$test.S; done

        -$(RM) -r tests-build

        -$(RM) potato.prj

distclean: clean

        -$(RM) -r riscv-tests