Subversion Repositories potato

# The Potato Processor - A simple RISC-V based processor for FPGAs
# (c) Kristian Klomsten Skordal 2014 - 2015 <kristian.skordal@wafflemail.net>
# Report bugs and issues on <https://github.com/skordal/potato/issues>

.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