119 lines
3.5 KiB
Makefile
119 lines
3.5 KiB
Makefile
######################################################################
|
|
#
|
|
# 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 =
|
|
# 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
|
|
# 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
|
|
# 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
|
|
# Specify top module
|
|
TOP_MODULE = isp
|
|
VERILATOR_FLAGS += -top $(TOP_MODULE)
|
|
# Input files for Verilator
|
|
VERILATOR_INPUT = ../isp.v sc_main.cpp ../Demosaic/demosaic2.v ../Crop/*.v ../FIFO/*.v ../Merge/*.v ../RAM/*.v
|
|
|
|
# Check if SC exists via a verilator call (empty if not)
|
|
SYSTEMC_EXISTS := $(shell $(VERILATOR) --get-supported SYSTEMC)
|
|
|
|
######################################################################
|
|
|
|
ifneq ($(SYSTEMC_EXISTS),)
|
|
default: run
|
|
else
|
|
default: nosc
|
|
endif
|
|
|
|
run:
|
|
@echo
|
|
@echo "-- Verilator tracing example"
|
|
|
|
@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:
|
|
$(MAKE) -j -C obj_dir -f V$(TOP_MODULE).mk
|
|
|
|
@echo
|
|
@echo "-- RUN ---------------------"
|
|
@rm -rf logs
|
|
@mkdir -p logs
|
|
obj_dir/V$(TOP_MODULE) +trace
|
|
|
|
@echo
|
|
@echo "-- COVERAGE ----------------"
|
|
@rm -rf logs/annotated
|
|
$(VERILATOR_COVERAGE) --annotate logs/annotated logs/coverage.dat
|
|
|
|
@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
|