ISP/sim/Makefile

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Makefile
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######################################################################
#
# DESCRIPTION: Verilator Example: Small Makefile
#
# This calls the object directory makefile. That allows the objects to
# be placed in the "current directory" which simplifies the Makefile.
#
# This file ONLY is placed under the Creative Commons Public Domain, for
# any use, without warranty, 2020 by Wilson Snyder.
# SPDX-License-Identifier: CC0-1.0
#
######################################################################
# Check for sanity to avoid later confusion
ifneq ($(words $(CURDIR)),1)
$(error Unsupported: GNU Make cannot build in directories containing spaces, build elsewhere: '$(CURDIR)')
endif
######################################################################
# Set up variables
# If $VERILATOR_ROOT isn't in the environment, we assume it is part of a
# package install, and verilator is in your path. Otherwise find the
# binary relative to $VERILATOR_ROOT (such as when inside the git sources).
ifeq ($(VERILATOR_ROOT),)
VERILATOR = verilator
VERILATOR_COVERAGE = verilator_coverage
else
export VERILATOR_ROOT
VERILATOR = $(VERILATOR_ROOT)/bin/verilator
VERILATOR_COVERAGE = $(VERILATOR_ROOT)/bin/verilator_coverage
endif
VERILATOR_FLAGS =
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# Specify top module
TOP_MODULE = isp
VERILATOR_FLAGS += --top-module $(TOP_MODULE)
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# Generate SystemC in executable form
VERILATOR_FLAGS += -sc --exe
# Generate makefile dependencies (not shown as complicates the Makefile)
#VERILATOR_FLAGS += -MMD
# Optimize
VERILATOR_FLAGS += -x-assign fast
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# Warn abount lint issues; may not want this on less solid designs
VERILATOR_FLAGS += -Wall
# Make waveforms
VERILATOR_FLAGS += --trace
# Check SystemVerilog assertions
VERILATOR_FLAGS += --assert
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# Enable multithreading
VERILATOR_FLAGS += --threads 14
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# Generate coverage analysis
# VERILATOR_FLAGS += --coverage
# Run Verilator in debug mode
#VERILATOR_FLAGS += --debug
# Add this trace to get a backtrace in gdb
#VERILATOR_FLAGS += --gdbbt
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# Input files for Verilator
SOURCES := $(wildcard ../isp.sv *.cpp ../Demosaic/Demosaic2.sv ../Crop/*.sv ../Color/*.sv)
EXCLUDES := $(wildcard ../Color/WhiteBalance.sv ../Color/GammaCorrection.sv)
VERILATOR_INPUT := $(filter-out $(EXCLUDES), $(SOURCES))
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# Check if SC exists via a verilator call (empty if not)
SYSTEMC_EXISTS := $(shell $(VERILATOR) --get-supported SYSTEMC)
######################################################################
ifneq ($(SYSTEMC_EXISTS),)
default: build run
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else
default: nosc
endif
lint:
@echo "-- Verilator lint check ----"
$(VERILATOR) -sc --lint-only $(VERILATOR_INPUT)
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build:
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@echo
@echo "-- VERILATE ----------------"
$(VERILATOR) $(VERILATOR_FLAGS) $(VERILATOR_INPUT)
@echo
@echo "-- COMPILE -----------------"
# To compile, we can either
# 1. Pass --build to Verilator by editing VERILATOR_FLAGS above.
# 2. Or, run the make rules Verilator does:
# $(MAKE) -j -C obj_dir -f Vtop.mk
# 3. Or, call a submakefile where we can override the rules ourselves:
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$(MAKE) -j -C obj_dir -f V$(TOP_MODULE).mk
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run:
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@echo
@echo "-- RUN ---------------------"
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obj_dir/V$(TOP_MODULE)
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# @echo
# @echo "-- COVERAGE ----------------"
# @rm -rf logs/annotated
# $(VERILATOR_COVERAGE) --annotate logs/annotated logs/coverage.dat
@echo "-- FINISH ------------------"
trace:
@rm -rf logs
@mkdir -p logs
obj_dir/V$(TOP_MODULE) +trace
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@echo
@echo "-- DONE --------------------"
@echo "To see waveforms, open vlt_dump.vcd in a waveform viewer"
@echo
######################################################################
# Other targets
nosc:
@echo
@echo "%Skip: SYSTEMC_INCLUDE not in environment"
@echo "(If you have SystemC see the README, and rebuild Verilator)"
@echo
show-config:
$(VERILATOR) -V
maintainer-copy::
clean mostlyclean distclean maintainer-clean::
-rm -rf obj_dir logs *.log *.dmp *.vpd coverage.dat core