77 lines
2.3 KiB
Makefile
77 lines
2.3 KiB
Makefile
####################
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# Program #
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####################
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VERILATOR = verilator
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VERILATOR_COVERAGE = verilator_coverage
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####################
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# Flags #
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####################
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VERILATOR_BUILD_FLAGS =
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# Generate C++ in executable form
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VERILATOR_BUILD_FLAGS += -cc --exe
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# Generate makefile dependencies (not shown as complicates the Makefile)
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VERILATOR_BUILD_FLAGS += -MMD
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# Optimize
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VERILATOR_BUILD_FLAGS += -O3 --x-assign fast --x-initial fast
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# Warn abount lint issues; may not want this on less solid designs
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VERILATOR_BUILD_FLAGS += -Wall
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# Make waveforms
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VERILATOR_BUILD_FLAGS += --trace --trace-fst --trace-params --trace-structs --trace-underscore
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# Check SystemVerilog assertions
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VERILATOR_BUILD_FLAGS += --assert
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# Generate coverage analysis
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VERILATOR_BUILD_FLAGS += --coverage
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# Run make to compile model, with as many CPUs as are free
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VERILATOR_BUILD_FLAGS += --compiler clang -CFLAGS "-Wno-parentheses-equality" -j
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# Simulation Defines
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VERILATOR_FLAGS += -sv -DSIMULATION_VERILATOR -DSIMULATION_PC
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# Create annotated source
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VERILATOR_COV_FLAGS += --annotate logs/annotated
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# A single coverage hit is considered good enough
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VERILATOR_COV_FLAGS += --annotate-min 1
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# Create LCOV info
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VERILATOR_COV_FLAGS += --write-info logs/coverage.info
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# Input file from Verilator
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VERILATOR_COV_FLAGS += logs/coverage.dat
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####################
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# Sources #
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####################
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SOURCE = ./config.vlt $(wildcard ./model/*.v ./model/*.sv ../src/*.v ../src/*.sv ../src/**/*.v ../src/**/*.sv)
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INCLUDE = $(addprefix -I, $(dir $(wildcard ../src/*/. ../src/**/*/.)))
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VERILATOR_INPUT = -top testbench_top sim_main.cpp
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FUNC_SOURCE = $(wildcard ../resources/tb.sv ../resources/func_test/*.v ../resources/func_test/**/*.v)
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####################
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# Targets #
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####################
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.phony: lint verilate func_build func_coverage func_run clean
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default: func_run
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lint:
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$(VERILATOR) --lint-only $(VERILATOR_FLAGS) $(INCLUDE) $(SOURCE) -top mycpu_top
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verilate:
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$(VERILATOR) $(VERILATOR_FLAGS) $(VERILATOR_BUILD_FLAGS) $(INCLUDE) $(SOURCE) $(FUNC_SOURCE) $(VERILATOR_INPUT)
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func_build: verilate
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make -C obj_dir -f Vtestbench_top.mk -j
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func_coverage:
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@rm -rf logs/annotated
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$(VERILATOR_COVERAGE) $(VERILATOR_COV_FLAGS)
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func_run: func_build
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@rm -rf logs
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obj_dir/Vtestbench_top
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gtkwave logs/trace.fst
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clean:
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-rm -rf obj_dir logs
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