130 lines
6.2 KiB
Makefile
130 lines
6.2 KiB
Makefile
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# SPDX-License-Identifier: Apache-2.0
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# Copyright 2019 Western Digital Corporation or its affiliates.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Check for RV_ROOT
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ifeq (,$(wildcard ${RV_ROOT}/configs/swerv.config))
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$(error env var RV_ROOT does not point to a valid dir! Exiting!)
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endif
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# Allow snapshot override
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ifeq ($(strip $(snapshot)),)
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snapshot = default
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endif
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# Allow tool override
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SWERV_CONFIG = ${RV_ROOT}/configs/swerv.config
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IRUN = irun
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VCS = vcs
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VERILATOR = verilator
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GCC_PREFIX = riscv64-unknown-elf
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# Define test name
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ifeq ($(strip $(ASM_TEST)),)
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ASM_TEST = hello_world2
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endif
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# Define test name
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ifeq ($(strip $(ASM_TEST_DIR)),)
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ASM_TEST_DIR = ${RV_ROOT}/testbench/asm
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endif
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defines = ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh ${RV_ROOT}/design/include/build.h ${RV_ROOT}/design/include/global.h ${RV_ROOT}/design/include/swerv_types.sv
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includes = -I${RV_ROOT}/design/include -I${RV_ROOT}/design/lib -I${RV_ROOT}/design/dmi -I${RV_ROOT}/configs/snapshots/$(snapshot)
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# CFLAGS for verilator generated Makefiles. Without -std=c++11 it complains for `auto` variables
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CFLAGS += "-std=c++11"
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# Optimization for better performance; alternative is nothing for slower runtime (faster compiles)
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# -O2 for faster runtime (slower compiles), or -O for balance.
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VERILATOR_MAKE_FLAGS = OPT_FAST=""
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# Targets
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all: clean verilator
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clean:
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rm -rf obj_dir *.hex build ${RV_ROOT}/configs/snapshots/$(snapshot)
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verilator: ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh
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echo '`undef ASSERT_ON' >> ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh
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$(VERILATOR) '-UASSERT_ON' --cc -CFLAGS ${CFLAGS} $(defines) $(includes) ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh \
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-f ${RV_ROOT}/testbench/flist.verilator --top-module swerv_wrapper
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$(MAKE) -C obj_dir/ -f Vswerv_wrapper.mk $(VERILATOR_MAKE_FLAGS)
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vcs: ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh
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$(VCS) -full64 -assert svaext -sverilog +define+RV_OPENSOURCE +error+500 +incdir+${RV_ROOT}/design/lib +incdir+${RV_ROOT}/design/include \
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${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh \
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+incdir+${RV_ROOT}/design/dmi +incdir+${RV_ROOT}/configs/snapshots/$(snapshot) +libext+.v ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh \
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$(defines)-f ${RV_ROOT}/testbench/flist.vcs -l vcs.log
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irun: ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh
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$(IRUN) -64bit -elaborate -ida -access +rw -q -sv -sysv -nowarn CUVIHR -nclibdirpath ${PWD} -nclibdirname swerv.build \
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-incdir ${RV_ROOT}/design/lib -incdir ${RV_ROOT}/design/include -incdir ${RV_ROOT}/design/dmi -vlog_ext +.vh+.h\
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$(defines) -incdir ${RV_ROOT}/configs/snapshots/$(snapshot) -f ${RV_ROOT}/testbench/flist.vcs -elaborate -snapshot default
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${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh:
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$(SWERV_CONFIG) -snapshot=$(snapshot)
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verilator-run: program.hex
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snapshot=ahb_lite
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$(SWERV_CONFIG) -snapshot=$(snapshot) -ahb_lite
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echo '`undef ASSERT_ON' >> ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh
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$(VERILATOR) '-UASSERT_ON' --cc -CFLAGS ${CFLAGS} $(defines) $(includes) ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh \
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${RV_ROOT}/testbench/tb_top.sv -I${RV_ROOT}/testbench \
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-f ${RV_ROOT}/testbench/flist.verilator --top-module tb_top -exe test_tb_top.cpp --trace --autoflush
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cp ${RV_ROOT}/testbench/test_tb_top.cpp obj_dir/
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$(MAKE) -C obj_dir/ -f Vtb_top.mk $(VERILATOR_MAKE_FLAGS)
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./obj_dir/Vtb_top
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irun-run: program.hex
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snapshot=ahb_lite
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$(SWERV_CONFIG) -snapshot=$(snapshot) -ahb_lite
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$(IRUN) -64bit -ida -access +rw -q -sv -sysv -nowarn CUVIHR -nclibdirpath ${PWD} -nclibdirname swerv.build \
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-incdir ${RV_ROOT}/design/lib -incdir ${RV_ROOT}/design/include -incdir ${RV_ROOT}/design/dmi -vlog_ext +.vh+.h\
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$(defines) -top tb_top ${RV_ROOT}/testbench/tb_top.sv -I${RV_ROOT}/testbench ${RV_ROOT}/testbench/ahb_sif.sv\
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-incdir ${RV_ROOT}/configs/snapshots/$(snapshot) -f ${RV_ROOT}/testbench/flist.vcs -snapshot default
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vcs-run: program.hex
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snapshot=ahb_lite
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$(SWERV_CONFIG) -snapshot=$(snapshot) -ahb_lite
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cp ${RV_ROOT}/testbench/hex/*.hex .
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$(VCS) -full64 -assert svaext -sverilog +define+RV_OPENSOURCE +error+500 +incdir+${RV_ROOT}/design/lib +incdir+${RV_ROOT}/design/include \
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${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh \
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+incdir+${RV_ROOT}/design/dmi +incdir+${RV_ROOT}/configs/snapshots/$(snapshot) +libext+.v \
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$(defines) -f ${RV_ROOT}/testbench/flist.vcs ${RV_ROOT}/testbench/tb_top.sv -I${RV_ROOT}/testbench ${RV_ROOT}/testbench/ahb_sif.sv -l vcs.log
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./simv
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program.hex: $(ASM_TEST_DIR)/$(ASM_TEST).s ${RV_ROOT}/configs/snapshots/$(snapshot)/common_defines.vh
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@echo Building $(ASM_TEST)
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ifeq ($(shell which $(GCC_PREFIX)-as),)
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@echo " !!! No $(GCC_PREFIX)-as in path, using canned hex files !!"
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cp ${RV_ROOT}/testbench/hex/*.hex .
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else
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cp $(ASM_TEST_DIR)/$(ASM_TEST).s .
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$(GCC_PREFIX)-cpp -I${RV_ROOT}/configs/snapshots/$(snapshot) $(ASM_TEST).s > $(ASM_TEST).cpp.s
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$(GCC_PREFIX)-as -march=rv32imc $(ASM_TEST).cpp.s -o $(ASM_TEST).o
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$(GCC_PREFIX)-ld -m elf32lriscv --discard-none -T${RV_ROOT}/testbench/link.ld -o $(ASM_TEST).exe $(ASM_TEST).o
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$(GCC_PREFIX)-objcopy -O verilog --only-section ".data*" --only-section ".rodata*" $(ASM_TEST).exe data.hex
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$(GCC_PREFIX)-objcopy -O verilog --only-section ".text*" --set-start=0x0 $(ASM_TEST).exe program.hex
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$(GCC_PREFIX)-objdump -dS $(ASM_TEST).exe > $(ASM_TEST).dis
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$(GCC_PREFIX)-nm -f posix -C $(ASM_TEST).exe > $(ASM_TEST).tbl
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@echo Completed building $(ASM_TEST)
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endif
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help:
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@echo Make sure the environment variable RV_ROOT is set.
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@echo Possible targets: verilator vcs irun help clean all verilator-run irun-run vcs-run program.hex
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.PHONY: help clean verilator vcs irun verilator-run irun-run vcs-run
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