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65 lines
2.1 KiB
Makefile
65 lines
2.1 KiB
Makefile
######################################################################
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#
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# DESCRIPTION: Verilator Example: Small Makefile
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#
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# This calls the object directory makefile. That allows the objects to
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# be placed in the "current directory" which simplifies the Makefile.
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#
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# This file ONLY is placed under the Creative Commons Public Domain, for
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# any use, without warranty, 2020 by Wilson Snyder.
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# SPDX-License-Identifier: CC0-1.0
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#
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######################################################################
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# Check for sanity to avoid later confusion
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ifneq ($(words $(CURDIR)),1)
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$(error Unsupported: GNU Make cannot build in directories containing spaces, build elsewhere: '$(CURDIR)')
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endif
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######################################################################
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# This is intended to be a minimal example. Before copying this to start a
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# real project, it is better to start with a more complete example,
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# e.g. examples/make_tracing_sc.
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# If $VERILATOR_ROOT isn't in the environment, we assume it is part of a
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# package install, and verilator is in your path. Otherwise find the
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# binary relative to $VERILATOR_ROOT (such as when inside the git sources).
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ifeq ($(VERILATOR_ROOT),)
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VERILATOR = verilator
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else
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export VERILATOR_ROOT
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VERILATOR = $(VERILATOR_ROOT)/bin/verilator
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endif
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# Check if SC exists via a verilator call (empty if not)
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SYSTEMC_EXISTS := $(shell $(VERILATOR) --get-supported SYSTEMC)
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ifneq ($(SYSTEMC_EXISTS),)
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default: run
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else
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default: nosc
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endif
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run:
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@echo "-- Verilator hello-world simple example"
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@echo "-- VERILATE & COMPILE ------"
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$(VERILATOR) -sc --exe --build -j top.v sc_main.cpp
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@echo "-- RUN ---------------------"
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obj_dir/Vtop
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@echo "-- DONE --------------------"
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@echo "Note: Once this example is understood, see examples/make_tracing_sc."
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@echo "Note: See also https://verilator.org/guide/latest/examples.html"
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######################################################################
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nosc:
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@echo
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@echo "%Skip: SYSTEMC_INCLUDE not in environment"
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@echo "(If you have SystemC see the README, and rebuild Verilator)"
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@echo
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maintainer-copy::
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clean mostlyclean distclean maintainer-clean::
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-rm -rf obj_dir *.log *.dmp *.vpd core
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