Added a master Makefile, and subdir makefile structure

Makefile

@@ -0,0 +1,58 @@
+###############################################################################
+##
+## Filename:	Makefile
+##
+## Project:	DSP Filtering Example Project
+##
+## Purpose:	This is the master project makefile, building simulation
+##		components for all of the cores that exist in bench/cpp.
+##
+## Targets:	The default target, all, builds all subdirectory targets.
+##
+## Creator:	Dan Gisselquist, Ph.D.
+##		Gisselquist Technology, LLC
+##
+################################################################################
+##
+## Copyright (C) 2018, Gisselquist Technology, LLC
+##
+## This program is free software (firmware): you can redistribute it and/or
+## modify it under the terms of  the GNU General Public License as published
+## by the Free Software Foundation, either version 3 of the License, or (at
+## your option) any later version.
+##
+## This program is distributed in the hope that it will be useful, but WITHOUT
+## ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
+## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+## for more details.
+##
+## You should have received a copy of the GNU General Public License along
+## with this program.  (It's in the $(ROOT)/doc directory.  Run make with no
+## target there if the PDF file isn't present.)  If not, see
+## <http://www.gnu.org/licenses/> for a copy.
+##
+## License:	GPL, v3, as defined and found on www.gnu.org,
+##		http://www.gnu.org/licenses/gpl.html
+##
+################################################################################
+##
+##
+all: benchcpp
+SUBMAKE := make --no-print-directory -C
+
+rtld:
+	$(SUBMAKE) rtl
+
+benchrtl: rtld
+	$(SUBMAKE) bench/rtl
+
+benchcpp: benchrtl rtl
+	$(SUBMAKE) bench/cpp
+
+formal: rtld
+	$(SUBMAKE) formal
+
+clean:
+	$(SUBMAKE) rtl       clean
+	$(SUBMAKE) bench/rtl clean
+	$(SUBMAKE) bench/cpp clean

bench/cpp/Makefile

@@ -50,7 +50,7 @@ export  $(VERILATOR)
 VROOT  := $(VERILATOR_ROOT)
 VDEFS  := $(shell ./vversion.sh)
 INCS	:= -I$(RTLD)/obj_dir/ -I$(VROOT)/include -I../rtl/obj_dir
-PROGRAMS := slowsymf_tb genericfir_tb fastfir_tb boxcar_tb lfsr_gal_tb lfsr_fib_tb delayw_tb slowfil_tb shalfband_tb # symfil_tb
+PROGRAMS := slowsymf_tb genericfir_tb fastfir_tb boxcar_tb lfsr_gal_tb lfsr_fib_tb delayw_tb slowfil_tb shalfband_tb lfsr_tb # symfil_tb
 SOURCES := $(addsuffix .cpp,$(PROGRAMS)) filtertb.cpp
 VOBJDR	:= $(RTLD)/obj_dir
 SYSVDR	:= $(VROOT)/include
@@ -134,5 +134,10 @@ tags:	$(SOURCES) $(HEADERS)
 clean:
 	rm -f $(PROGRAMS)
 	rm -rf $(OBJDIR)/
+	rm -rf *.vcd
+	rm -rf filter_tb.dbl dsp.64t
+	rm -rf tags
 
+ifneq ($(MAKECMDGOALS),clean)
 -include $(OBJDIR)/depends.txt
+endif

bench/formal/Makefile

@@ -97,5 +97,5 @@ clean:
 	rm -f  $(LFSR).smt2   $(LFSR)*.vcd  $(LFSR).yslog
 	rm -f  $(EQUIV).smt2  $(EQUIV)*.vcd $(EQUIV).yslog
 	rm -f  $(DELAY).smt2  $(DELAY)*.vcd $(DELAY).yslog
-	rm -rf $(FFIR)/
+	rm -rf $(FFIR)_first/ $(FFIR)_second/
 	rm -f  *.check