# SPDX-License-Identifier: Apache-2.0 # Copyright 2020 Western Digital Corporation or its affiliates. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # CONF_PARAMS = -set build_axi4 TEST_CFLAGS = -g -O3 -funroll-all-loops ABI = -mabi=ilp32 -march=rv32imac # Check for RV_ROOT ifeq (,$(wildcard ${RV_ROOT}/configs/swerv.config)) $(error env var RV_ROOT does not point to a valid dir! Exiting!) endif # Allow snapshot override target = default snapshot = $(target) # Allow tool override SWERV_CONFIG = ${RV_ROOT}/configs/swerv.config IRUN = xrun VCS = vcs VLOG = qverilog VERILATOR = verilator RIVEIRA = riviera GCC_PREFIX = riscv64-unknown-elf BUILD_DIR = snapshots/${snapshot} TBDIR = ${RV_ROOT}/testbench # Define test name TEST = hello_world # Define test name ifneq (,$(wildcard $(TBDIR)/asm/$(TEST).s)) TEST_DIR = ${TBDIR}/asm else ifneq (,$(wildcard $(TBDIR)/asm/$(TEST).c)) TEST_DIR = ${TBDIR}/asm else ifneq (,$(wildcard $(TBDIR)/tests/$(TEST))) TEST_DIR = $(TBDIR)/tests/$(TEST) else TEST_DIR = ${TBDIR}/asm endif endif endif HEX_DIR = ${TBDIR}/hex OFILES = $(TEST).o ifdef debug DEBUG_PLUS = +dumpon IRUN_DEBUG = -access +rc IRUN_DEBUG_RUN = -input ${RV_ROOT}/testbench/input.tcl VCS_DEBUG = -debug_access VERILATOR_DEBUG = --trace RIVIERA_DEBUG = +access +r endif # provide specific link file ifeq (,$(wildcard $(TEST_DIR)/$(TEST).ld)) LINK = $(BUILD_DIR)/link.ld else LINK = $(TEST_DIR)/$(TEST).ld endif VPATH = $(TEST_DIR) $(BUILD_DIR) $(TBDIR) -include $(TEST_DIR)/$(TEST).mki TBFILES = $(TBDIR)/tb_top.sv $(TBDIR)/ahb_sif.sv defines = $(BUILD_DIR)/common_defines.vh defines += ${RV_ROOT}/design/include/el2_def.sv defines += $(BUILD_DIR)/el2_pdef.vh includes = -I${BUILD_DIR} # CFLAGS for verilator generated Makefiles. Without -std=c++11 it # complains for `auto` variables CFLAGS += "-std=c++11" # Optimization for better performance; alternative is nothing for # slower runtime (faster compiles) -O2 for faster runtime (slower # compiles), or -O for balance. VERILATOR_MAKE_FLAGS = OPT_FAST="-Os" # Targets all: clean verilator clean: rm -rf *.log *.s *.hex *.dis *.tbl irun* vcs* simv* snapshots swerv* \ verilator* *.exe obj* *.o ucli.key vc_hdrs.h csrc *.csv work\ work dataset.asdb library.cfg vsimsa.cfg riviera-build wave.asdb ############ Model Builds ############################### # If define files do not exist, then run swerv.config. ${BUILD_DIR}/defines.h: BUILD_PATH=${BUILD_DIR} ${RV_ROOT}/configs/swerv.config -target=$(target) $(CONF_PARAMS) verilator-build: ${TBFILES} ${BUILD_DIR}/defines.h test_tb_top.cpp echo '`undef RV_ASSERT_ON' >> ${BUILD_DIR}/common_defines.vh $(VERILATOR) --cc -CFLAGS ${CFLAGS} $(defines) \ $(includes) -I${RV_ROOT}/testbench -f ${RV_ROOT}/testbench/flist \ -Wno-WIDTH -Wno-UNOPTFLAT ${TBFILES} --top-module tb_top \ -exe test_tb_top.cpp --autoflush $(VERILATOR_DEBUG) cp ${RV_ROOT}/testbench/test_tb_top.cpp obj_dir/ $(MAKE) -j -e -C obj_dir/ -f Vtb_top.mk $(VERILATOR_MAKE_FLAGS) touch verilator-build vcs-build: ${TBFILES} ${BUILD_DIR}/defines.h $(VCS) -full64 -assert svaext -sverilog +define+RV_OPENSOURCE \ +error+500 +incdir+${RV_ROOT}/design/lib \ +incdir+${RV_ROOT}/design/include ${BUILD_DIR}/common_defines.vh \ +incdir+$(BUILD_DIR) +libext+.v $(defines) \ -f ${RV_ROOT}/testbench/flist ${TBFILES} -l vcs.log touch vcs-build irun-build: ${TBFILES} ${BUILD_DIR}/defines.h $(IRUN) -64bit -elaborate $(IRUN_DEBUG) -q -sv -sysv -nowarn CUVIHR \ -xmlibdirpath . -xmlibdirname swerv.build \ -incdir ${RV_ROOT}/design/lib -incdir ${RV_ROOT}/design/include \ -vlog_ext +.vh+.h $(defines) -incdir $(BUILD_DIR) \ -f ${RV_ROOT}/testbench/flist -top tb_top ${TBFILES} \ -I${RV_ROOT}/testbench -elaborate -snapshot ${snapshot} $(profile) touch irun-build riviera-build: ${TBFILES} ${BUILD_DIR}/defines.h vlib work vlog -work work \ -err VCP2694 W1 \ +incdir+${RV_ROOT}/design/lib \ +incdir+${RV_ROOT}/design/include \ +incdir+${BUILD_DIR} \ -y ${RV_ROOT}/design/lib +libext+.v+.vh \ $(defines) \ -f ${RV_ROOT}/testbench/flist \ ${TBFILES} touch riviera-build ############ TEST Simulation ############################### verilator: program.hex verilator-build ./obj_dir/Vtb_top irun: program.hex irun-build $(IRUN) -64bit -abvglobalfailurelimit 1 +lic_queue -licqueue \ -status -xmlibdirpath . -xmlibdirname swerv.build \ -snapshot ${snapshot} -r $(snapshot) $(IRUN_DEBUG_RUN) $(profile) vcs: program.hex vcs-build ./simv $(DEBUG_PLUS) +vcs+lic+wait -l vcs.log vlog: program.hex ${TBFILES} ${BUILD_DIR}/defines.h $(VLOG) -l vlog.log -sv -mfcu +incdir+${BUILD_DIR}+${RV_ROOT}/design/include+${RV_ROOT}/design/lib\ $(defines) -f ${RV_ROOT}/testbench/flist ${TBFILES} -R +nowarn3829 +nowarn2583 ${DEBUG_PLUS} riviera: program.hex riviera-build vsim -c -lib work ${DEBUG_PLUS} ${RIVIERA_DEBUG} tb_top -do "run -all; exit" -l riviera.log ############ TEST build ############################### ifeq ($(shell which $(GCC_PREFIX)-gcc 2> /dev/null),) program.hex: ${BUILD_DIR}/defines.h @echo " !!! No $(GCC_PREFIX)-gcc in path, using canned hex files !!" cp ${HEX_DIR}/$(TEST).hex program.hex else ifneq (,$(wildcard $(TEST_DIR)/$(TEST).makefile)) program.hex: @echo Building $(TEST) via $(TEST_DIR)/$(TEST).makefile $(MAKE) -f $(TEST_DIR)/$(TEST).makefile else program.hex: $(OFILES) $(LINK) @echo Building $(TEST) $(GCC_PREFIX)-gcc -Wl,-m,elf32lriscv -Wl,--discard-none -T$(LINK) -o $(TEST).exe $(OFILES) -nostartfiles -nostdlib $(TEST_LIBS) $(GCC_PREFIX)-objcopy -O verilog $(TEST).exe program.hex $(GCC_PREFIX)-objdump -S $(TEST).exe > $(TEST).dis @echo Completed building $(TEST) %.o : %.s ${BUILD_DIR}/defines.h $(GCC_PREFIX)-cpp -I${BUILD_DIR} $< > $*.cpp.s $(GCC_PREFIX)-as ${ABI} $*.cpp.s -o $@ %.o : %.c ${BUILD_DIR}/defines.h $(GCC_PREFIX)-gcc ${includes} ${TEST_CFLAGS} -DCOMPILER_FLAGS="\"${TEST_CFLAGS}\"" ${ABI} -nostdlib -c $< -o $@ endif endif help: @echo Make sure the environment variable RV_ROOT is set. @echo Possible targets: verilator vcs irun vlog riviera help clean all verilator-build irun-build vcs-build riviera-build program.hex .PHONY: help clean verilator vcs irun vlog riviera