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############################################################################/
##
## Filename:    Makefile
##
## Project:     A Generic Pipelined FFT Implementation
##
## Purpose:     This is the main Makefile for the FFT core generator.
##              It is very simple in its construction, the most complicated
##      parts being the building of the Verilator simulation--a step that may
##      not be required for your project.
##
##      To build the FFT generator, just type 'make' on a line by itself.  For
##      a quick tutorial in how to run the generator, just type './fftgen -h'
##      to read the usage() statement.
##
## Creator:     Dan Gisselquist, Ph.D.
##              Gisselquist Technology, LLC
##
##########################################################################/
##
## Copyright (C) 2015,2018, 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
##  for a copy.
##
## License:     GPL, v3, as defined and found on www.gnu.org,
##              http:##www.gnu.org/licenses/gpl.html
##
##
##########################################################################/
##
##
# This is really simple ...
all: fftgen
CORED := ../rtl
VOBJDR  := $(CORED)/obj_dir
OBJDIR   := obj-pc
BENCHD  := ../bench/cpp
SOURCES := bitreverse.cpp bldstage.cpp butterfly.cpp fftgen.cpp fftlib.cpp \
                legal.cpp rounding.cpp softmpy.cpp
TESTSZ  := -f 2048
# CKPCE   := -k 1
CKPCE   := -2
MPYS    := -p 0
IWID    := -n 15
FFTPARAMS := -d $(CORED) $(TESTSZ) $(CKPCE) $(MPYS) $(IWID)
OBJECTS := $(addprefix $(OBJDIR)/,$(subst .cpp,.o,$(SOURCES)))
HEADERS := $(wildcard *.h)
ifneq ($(VERILATOR_ROOT),)
VERILATOR:=$(VERILATOR_ROOT)/bin/verilator
else
VERILATOR:=verilator
VERILATOR_ROOT ?= $(shell bash -c 'verilator -V|grep VERILATOR_ROOT | head -1 | sed -e " s/^.*=\s*//"')
endif
export  $(VERILATOR)
VROOT   := $(VERILATOR_ROOT)
VFLAGS  := -Wall -O3 -MMD --trace -cc
CFLAGS  := -g -Wall
 
$(OBJDIR)/%.o: %.cpp
        $(mk-objdir)
        $(CXX) -c $(CFLAGS) $< -o $@
 
fftgen: $(OBJECTS)
        $(CXX) $(CFLAGS) $^ -o $@
 
.PHONY: test
test: fft ifft butterfly fftstage hwbfly shiftaddmpy longbimpy qtrstage
test: bitreverse laststage
 
#
# Although these parameters, a 2048 point FFT of 16 bits input, aren't
# the only parameters the FFT can do, they are the ones that the test
# benches depend upon.  If you change these, and you are welcome to do so,
# you may need to adjust the test benches if you wish to prove that your
# changes work.
#
.PHONY: fft forcedfft
fft: $(VOBJDR)/Vfftmain__ALL.so
$(CORED)/fftmain.v: fftgen
        ./fftgen -v $(FFTPARAMS) -a $(BENCHD)/fftsize.h
forcedfft: fftgen
        ./fftgen -v $(FFTPARAMS) -a $(BENCHD)/fftsize.h
$(VOBJDR)/Vfftmain.h: $(CORED)/fftmain.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) fftmain.v
$(VOBJDR)/Vfftmain__ALL.so: $(VOBJDR)/Vfftmain.h
        cd $(VOBJDR); make -f Vfftmain.mk
 
.PHONY: dblfft
dblfft: $(VOBJDR)/Vdblfftmain__ALL.so
$(CORED)/dblfftmain.v: fftgen
        ./fftgen -v $(FFTPARAMS) -a $(BENCHD)/fftsize.h
$(VOBJDR)/Vdblfftmain.h: $(CORED)/dblfftmain.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) dblfftmain.v
$(VOBJDR)/Vdblfftmain__ALL.so: $(VOBJDR)/Vdblfftmain.h
        cd $(VOBJDR); make -f Vdblfftmain.mk
 
.PHONY: idblfft
idblfft: $(VOBJDR)/Vidblfftmain__ALL.so
$(CORED)/idblfftmain.v: fftgen
        ./fftgen -i $(FFTPARAMS) -a $(BENCHD)/ifftsize.h
$(VOBJDR)/Vidblfftmain.h: $(CORED)/idblfftmain.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) idblfftmain.v
$(VOBJDR)/Vidblfftmain__ALL.so: $(VOBJDR)/Vidblfftmain.h
        cd $(VOBJDR); make -f Vidblfftmain.mk
 
.PHONY: ifft
ifft: $(VOBJDR)/Vifftmain__ALL.so
$(CORED)/ifftmain.v: fftgen
        ./fftgen -i $(FFTPARAMS) -a $(BENCHD)/ifftsize.h
$(VOBJDR)/Vifftmain.h: $(CORED)/ifftmain.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) ifftmain.v
$(VOBJDR)/Vifftmain__ALL.so: $(VOBJDR)/Vifftmain.h
        cd $(VOBJDR); make -f Vifftmain.mk
 
.PHONY: shiftaddmpy
shiftaddmpy: $(VOBJDR)/Vshiftaddmpy__ALL.a
 
$(CORED)/shiftaddmpy.v: fft
$(VOBJDR)/Vshiftaddmpy.cpp $(VOBJDR)/Vshiftaddmpy.h: $(CORED)/shiftaddmpy.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) shiftaddmpy.v
$(VOBJDR)/Vshiftaddmpy__ALL.a: $(VOBJDR)/Vshiftaddmpy.h
$(VOBJDR)/Vshiftaddmpy__ALL.a: $(VOBJDR)/Vshiftaddmpy.cpp
        cd $(VOBJDR)/; make -f Vshiftaddmpy.mk
 
.PHONY: longbimpy
longbimpy: $(VOBJDR)/Vlongbimpy__ALL.a
 
$(CORED)/longbimpy.v: fft
$(VOBJDR)/Vlongbimpy.cpp $(VOBJDR)/Vlongbimpy.h: $(CORED)/longbimpy.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) longbimpy.v
$(VOBJDR)/Vlongbimpy__ALL.a: $(VOBJDR)/Vlongbimpy.h
$(VOBJDR)/Vlongbimpy__ALL.a: $(VOBJDR)/Vlongbimpy.cpp
        cd $(VOBJDR)/; make -f Vlongbimpy.mk
 
.PHONY: butterfly
butterfly: $(VOBJDR)/Vbutterfly__ALL.a
 
$(CORED)/butterfly.v: fft
$(VOBJDR)/Vbutterfly.cpp $(VOBJDR)/Vbutterfly.h: $(CORED)/butterfly.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) butterfly.v
$(VOBJDR)/Vbutterfly__ALL.a: $(VOBJDR)/Vbutterfly.h
$(VOBJDR)/Vbutterfly__ALL.a: $(VOBJDR)/Vbutterfly.cpp
        cd $(VOBJDR)/; make -f Vbutterfly.mk
 
.PHONY: hwbfly
hwbfly: $(VOBJDR)/Vhwbfly__ALL.a
 
$(CORED)/hwbfly.v: fft
$(VOBJDR)/Vhwbfly.cpp $(VOBJDR)/Vhwbfly.h: $(CORED)/hwbfly.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) hwbfly.v
$(VOBJDR)/Vhwbfly__ALL.a: $(VOBJDR)/Vhwbfly.h
$(VOBJDR)/Vhwbfly__ALL.a: $(VOBJDR)/Vhwbfly.cpp
        cd $(VOBJDR)/; make -f Vhwbfly.mk
 
.PHONY: bitreverse
bitreverse: $(VOBJDR)/Vbitreverse__ALL.a
 
$(CORED)/bitreverse.v: fft
$(VOBJDR)/Vbitreverse.cpp $(VOBJDR)/Vbitreverse.h: $(CORED)/bitreverse.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) bitreverse.v
$(VOBJDR)/Vbitreverse__ALL.a: $(VOBJDR)/Vbitreverse.h
$(VOBJDR)/Vbitreverse__ALL.a: $(VOBJDR)/Vbitreverse.cpp
        cd $(VOBJDR)/; make -f Vbitreverse.mk
 
.PHONY: qtrstage
qtrstage: $(VOBJDR)/Vqtrstage__ALL.a
 
$(CORED)/qtrstage.v: fft
$(VOBJDR)/Vqtrstage.cpp $(VOBJDR)/Vqtrstage.h: $(CORED)/qtrstage.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) qtrstage.v
$(VOBJDR)/Vqtrstage__ALL.a: $(VOBJDR)/Vqtrstage.h
$(VOBJDR)/Vqtrstage__ALL.a: $(VOBJDR)/Vqtrstage.cpp
        cd $(VOBJDR)/; make -f Vqtrstage.mk
 
.PHONY: dblstage
dblstage: $(VOBJDR)/Vdblstage__ALL.a
 
$(CORED)/dblstage.v: fft
$(VOBJDR)/Vdblstage.cpp $(VOBJDR)/Vdblstage.h: $(CORED)/dblstage.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) dblstage.v
$(VOBJDR)/Vdblstage__ALL.a: $(VOBJDR)/Vdblstage.h
$(VOBJDR)/Vdblstage__ALL.a: $(VOBJDR)/Vdblstage.cpp
        cd $(VOBJDR)/; make -f Vdblstage.mk
 
.PHONY: laststage
laststage: $(VOBJDR)/Vlaststage__ALL.a
 
$(CORED)/laststage.v: fft
$(VOBJDR)/Vlaststage.cpp $(VOBJDR)/Vlaststage.h: $(CORED)/laststage.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) laststage.v
$(VOBJDR)/Vlaststage__ALL.a: $(VOBJDR)/Vlaststage.h
$(VOBJDR)/Vlaststage__ALL.a: $(VOBJDR)/Vlaststage.cpp
        cd $(VOBJDR)/; make -f Vlaststage.mk
 
.PHONY: fftstage
fftstage: $(VOBJDR)/Vfftstage__ALL.a
 
$(CORED)/fftstage.v: fft
$(VOBJDR)/Vfftstage.cpp $(VOBJDR)/Vfftstage.h: $(CORED)/fftstage.v
        cd $(CORED)/; $(VERILATOR) $(VFLAGS) fftstage.v
$(VOBJDR)/Vfftstage__ALL.a: $(VOBJDR)/Vfftstage.h
$(VOBJDR)/Vfftstage__ALL.a: $(VOBJDR)/Vfftstage.cpp
        cd $(VOBJDR)/; make -f Vfftstage.mk
 
 
.PHONY: clean
clean:
        rm fftgen fftgen.o
        rm -rf $(CORED)/obj_dir
        rm -rf $(CORED)/fftmain.v $(CORED)/fftstage.v
        rm -rf $(CORED)/qtrstage.v $(CORED)/laststage.v $(CORED)/bitreverse.v
        rm -rf $(CORED)/butterfly.v $(CORED)/hwbfly.v
        rm -rf $(CORED)/longbimpy.v $(CORED)/bimpy.v
        rm -rf $(CORED)/convround.v
 
#
# The "depends" target, to know what files things depend upon.  The depends
# file itself is kept in $(OBJDIR)/depends.txt
#
define  build-depends
        $(mk-objdir)
        @echo "Building dependency file"
        @$(CXX) $(CFLAGS) $(INCS) -MM $(SOURCES) > $(OBJDIR)/xdepends.txt
@sed -e 's/^.*.o: /$(OBJDIR)\/&/' < $(OBJDIR)/xdepends.txt > $(OBJDIR)/depends.txt
        @rm $(OBJDIR)/xdepends.txt
endef
 
.PHONY: depends
depends: tags
        $(build-depends)
 
$(OBJDIR)/depends.txt: depends
 
#
# Make a directory to hold all of the FFT-gen (i.e. the C++) build products
# (object files)
#
define  mk-objdir
        @bash -c "if [ ! -e $(OBJDIR) ]; then mkdir -p $(OBJDIR); fi"
endef
 
#
# The "tags" target
#
tags:   $(SOURCES) $(HEADERS)
        @echo "Generating tags"
        @ctags $(SOURCES) $(HEADERS)
 
-include $(OBJDIR)/depends.txt

Line No.	Rev	Author	Line
1	16	dgisselq	`############################################################################/`
2			`##`
3	30	dgisselq	`## Filename: Makefile`
4	16	dgisselq	`##`
5	36	dgisselq	`## Project: A Generic Pipelined FFT Implementation`
6	16	dgisselq	`##`
7			`## Purpose: This is the main Makefile for the FFT core generator.`
8			`## It is very simple in its construction, the most complicated`
9	36	dgisselq	`## parts being the building of the Verilator simulation--a step that may`
10			`## not be required for your project.`
11	16	dgisselq	`##`
12	36	dgisselq	`## To build the FFT generator, just type 'make' on a line by itself. For`
13			`## a quick tutorial in how to run the generator, just type './fftgen -h'`
14			`## to read the usage() statement.`
15	16	dgisselq	`##`
16			`## Creator: Dan Gisselquist, Ph.D.`
17	30	dgisselq	`## Gisselquist Technology, LLC`
18	16	dgisselq	`##`
19			`##########################################################################/`
20			`##`
21	36	dgisselq	`## Copyright (C) 2015,2018, Gisselquist Technology, LLC`
22	16	dgisselq	`##`
23			`## This program is free software (firmware): you can redistribute it and/or`
24			`## modify it under the terms of the GNU General Public License as published`
25			`## by the Free Software Foundation, either version 3 of the License, or (at`
26			`## your option) any later version.`
27			`##`
28			`## This program is distributed in the hope that it will be useful, but WITHOUT`
29			`## ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or`
30			`## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License`
31			`## for more details.`
32			`##`
33			`## You should have received a copy of the GNU General Public License along`
34			`## with this program. (It's in the $(ROOT)/doc directory, run make with no`
35			`## target there if the PDF file isn't present.) If not, see`
36			`## for a copy.`
37			`##`
38			`## License: GPL, v3, as defined and found on www.gnu.org,`
39			`## http:##www.gnu.org/licenses/gpl.html`
40			`##`
41			`##`
42			`##########################################################################/`
43			`##`
44			`##`
45	2	dgisselq	`# This is really simple ...`
46			`all: fftgen`
47	36	dgisselq	`CORED := ../rtl`
48			`VOBJDR := $(CORED)/obj_dir`
49			`OBJDIR := obj-pc`
50			`BENCHD := ../bench/cpp`
51			`SOURCES := bitreverse.cpp bldstage.cpp butterfly.cpp fftgen.cpp fftlib.cpp \`
52			`legal.cpp rounding.cpp softmpy.cpp`
53			`TESTSZ := -f 2048`
54			`# CKPCE := -k 1`
55			`CKPCE := -2`
56			`MPYS := -p 0`
57			`IWID := -n 15`
58			`FFTPARAMS := -d $(CORED) $(TESTSZ) $(CKPCE) $(MPYS) $(IWID)`
59			`OBJECTS := $(addprefix $(OBJDIR)/,$(subst .cpp,.o,$(SOURCES)))`
60			`HEADERS := $(wildcard *.h)`
61	35	dgisselq	`ifneq ($(VERILATOR_ROOT),)`
62			`VERILATOR:=$(VERILATOR_ROOT)/bin/verilator`
63			`else`
64			`VERILATOR:=verilator`
65			`VERILATOR_ROOT ?= $(shell bash -c 'verilator -V\|grep VERILATOR_ROOT \| head -1 \| sed -e " s/^.=\s//"')`
66			`endif`
67			`export $(VERILATOR)`
68			`VROOT := $(VERILATOR_ROOT)`
69	36	dgisselq	`VFLAGS := -Wall -O3 -MMD --trace -cc`
70			`CFLAGS := -g -Wall`
71	2	dgisselq
72	36	dgisselq	`$(OBJDIR)/%.o: %.cpp`
73			`$(mk-objdir)`
74			`$(CXX) -c $(CFLAGS) $< -o $@`
75	2	dgisselq
76	36	dgisselq	`fftgen: $(OBJECTS)`
77			`$(CXX) $(CFLAGS) $^ -o $@`
78	2	dgisselq
79	5	dgisselq	`.PHONY: test`
80	36	dgisselq	`test: fft ifft butterfly fftstage hwbfly shiftaddmpy longbimpy qtrstage`
81			`test: bitreverse laststage`
82	3	dgisselq
83	16	dgisselq	`#`
84			`# Although these parameters, a 2048 point FFT of 16 bits input, aren't`
85			`# the only parameters the FFT can do, they are the ones that the test`
86			`# benches depend upon. If you change these, and you are welcome to do so,`
87			`# you may need to adjust the test benches if you wish to prove that your`
88			`# changes work.`
89			`#`
90	36	dgisselq	`.PHONY: fft forcedfft`
91			`fft: $(VOBJDR)/Vfftmain__ALL.so`
92			`$(CORED)/fftmain.v: fftgen`
93			`./fftgen -v $(FFTPARAMS) -a $(BENCHD)/fftsize.h`
94			`forcedfft: fftgen`
95			`./fftgen -v $(FFTPARAMS) -a $(BENCHD)/fftsize.h`
96			`$(VOBJDR)/Vfftmain.h: $(CORED)/fftmain.v`
97	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) fftmain.v`
98	36	dgisselq	`$(VOBJDR)/Vfftmain__ALL.so: $(VOBJDR)/Vfftmain.h`
99			`cd $(VOBJDR); make -f Vfftmain.mk`
100	3	dgisselq
101	36	dgisselq	`.PHONY: dblfft`
102			`dblfft: $(VOBJDR)/Vdblfftmain__ALL.so`
103			`$(CORED)/dblfftmain.v: fftgen`
104			`./fftgen -v $(FFTPARAMS) -a $(BENCHD)/fftsize.h`
105			`$(VOBJDR)/Vdblfftmain.h: $(CORED)/dblfftmain.v`
106			`cd $(CORED)/; $(VERILATOR) $(VFLAGS) dblfftmain.v`
107			`$(VOBJDR)/Vdblfftmain__ALL.so: $(VOBJDR)/Vdblfftmain.h`
108			`cd $(VOBJDR); make -f Vdblfftmain.mk`
109
110			`.PHONY: idblfft`
111			`idblfft: $(VOBJDR)/Vidblfftmain__ALL.so`
112			`$(CORED)/idblfftmain.v: fftgen`
113			`./fftgen -i $(FFTPARAMS) -a $(BENCHD)/ifftsize.h`
114			`$(VOBJDR)/Vidblfftmain.h: $(CORED)/idblfftmain.v`
115			`cd $(CORED)/; $(VERILATOR) $(VFLAGS) idblfftmain.v`
116			`$(VOBJDR)/Vidblfftmain__ALL.so: $(VOBJDR)/Vidblfftmain.h`
117			`cd $(VOBJDR); make -f Vidblfftmain.mk`
118
119	5	dgisselq	`.PHONY: ifft`
120	36	dgisselq	`ifft: $(VOBJDR)/Vifftmain__ALL.so`
121			`$(CORED)/ifftmain.v: fftgen`
122			`./fftgen -i $(FFTPARAMS) -a $(BENCHD)/ifftsize.h`
123			`$(VOBJDR)/Vifftmain.h: $(CORED)/ifftmain.v`
124	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) ifftmain.v`
125	36	dgisselq	`$(VOBJDR)/Vifftmain__ALL.so: $(VOBJDR)/Vifftmain.h`
126			`cd $(VOBJDR); make -f Vifftmain.mk`
127	2	dgisselq
128	3	dgisselq	`.PHONY: shiftaddmpy`
129	36	dgisselq	`shiftaddmpy: $(VOBJDR)/Vshiftaddmpy__ALL.a`
130	3	dgisselq
131	6	dgisselq	`$(CORED)/shiftaddmpy.v: fft`
132	36	dgisselq	`$(VOBJDR)/Vshiftaddmpy.cpp $(VOBJDR)/Vshiftaddmpy.h: $(CORED)/shiftaddmpy.v`
133	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) shiftaddmpy.v`
134	36	dgisselq	`$(VOBJDR)/Vshiftaddmpy__ALL.a: $(VOBJDR)/Vshiftaddmpy.h`
135			`$(VOBJDR)/Vshiftaddmpy__ALL.a: $(VOBJDR)/Vshiftaddmpy.cpp`
136			`cd $(VOBJDR)/; make -f Vshiftaddmpy.mk`
137	2	dgisselq
138	29	dgisselq	`.PHONY: longbimpy`
139	36	dgisselq	`longbimpy: $(VOBJDR)/Vlongbimpy__ALL.a`
140	29	dgisselq
141			`$(CORED)/longbimpy.v: fft`
142	36	dgisselq	`$(VOBJDR)/Vlongbimpy.cpp $(VOBJDR)/Vlongbimpy.h: $(CORED)/longbimpy.v`
143	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) longbimpy.v`
144	36	dgisselq	`$(VOBJDR)/Vlongbimpy__ALL.a: $(VOBJDR)/Vlongbimpy.h`
145			`$(VOBJDR)/Vlongbimpy__ALL.a: $(VOBJDR)/Vlongbimpy.cpp`
146			`cd $(VOBJDR)/; make -f Vlongbimpy.mk`
147	29	dgisselq
148	3	dgisselq	`.PHONY: butterfly`
149	36	dgisselq	`butterfly: $(VOBJDR)/Vbutterfly__ALL.a`
150	3	dgisselq
151	5	dgisselq	`$(CORED)/butterfly.v: fft`
152	36	dgisselq	`$(VOBJDR)/Vbutterfly.cpp $(VOBJDR)/Vbutterfly.h: $(CORED)/butterfly.v`
153	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) butterfly.v`
154	36	dgisselq	`$(VOBJDR)/Vbutterfly__ALL.a: $(VOBJDR)/Vbutterfly.h`
155			`$(VOBJDR)/Vbutterfly__ALL.a: $(VOBJDR)/Vbutterfly.cpp`
156			`cd $(VOBJDR)/; make -f Vbutterfly.mk`
157	2	dgisselq
158	22	dgisselq	`.PHONY: hwbfly`
159	36	dgisselq	`hwbfly: $(VOBJDR)/Vhwbfly__ALL.a`
160	22	dgisselq
161			`$(CORED)/hwbfly.v: fft`
162	36	dgisselq	`$(VOBJDR)/Vhwbfly.cpp $(VOBJDR)/Vhwbfly.h: $(CORED)/hwbfly.v`
163	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) hwbfly.v`
164	36	dgisselq	`$(VOBJDR)/Vhwbfly__ALL.a: $(VOBJDR)/Vhwbfly.h`
165			`$(VOBJDR)/Vhwbfly__ALL.a: $(VOBJDR)/Vhwbfly.cpp`
166			`cd $(VOBJDR)/; make -f Vhwbfly.mk`
167	22	dgisselq
168	36	dgisselq	`.PHONY: bitreverse`
169			`bitreverse: $(VOBJDR)/Vbitreverse__ALL.a`
170	3	dgisselq
171	36	dgisselq	`$(CORED)/bitreverse.v: fft`
172			`$(VOBJDR)/Vbitreverse.cpp $(VOBJDR)/Vbitreverse.h: $(CORED)/bitreverse.v`
173			`cd $(CORED)/; $(VERILATOR) $(VFLAGS) bitreverse.v`
174			`$(VOBJDR)/Vbitreverse__ALL.a: $(VOBJDR)/Vbitreverse.h`
175			`$(VOBJDR)/Vbitreverse__ALL.a: $(VOBJDR)/Vbitreverse.cpp`
176			`cd $(VOBJDR)/; make -f Vbitreverse.mk`
177	2	dgisselq
178	3	dgisselq	`.PHONY: qtrstage`
179	36	dgisselq	`qtrstage: $(VOBJDR)/Vqtrstage__ALL.a`
180	3	dgisselq
181	5	dgisselq	`$(CORED)/qtrstage.v: fft`
182	36	dgisselq	`$(VOBJDR)/Vqtrstage.cpp $(VOBJDR)/Vqtrstage.h: $(CORED)/qtrstage.v`
183	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) qtrstage.v`
184	36	dgisselq	`$(VOBJDR)/Vqtrstage__ALL.a: $(VOBJDR)/Vqtrstage.h`
185			`$(VOBJDR)/Vqtrstage__ALL.a: $(VOBJDR)/Vqtrstage.cpp`
186			`cd $(VOBJDR)/; make -f Vqtrstage.mk`
187	2	dgisselq
188	3	dgisselq	`.PHONY: dblstage`
189	36	dgisselq	`dblstage: $(VOBJDR)/Vdblstage__ALL.a`
190	3	dgisselq
191	5	dgisselq	`$(CORED)/dblstage.v: fft`
192	36	dgisselq	`$(VOBJDR)/Vdblstage.cpp $(VOBJDR)/Vdblstage.h: $(CORED)/dblstage.v`
193	35	dgisselq	`cd $(CORED)/; $(VERILATOR) $(VFLAGS) dblstage.v`
194	36	dgisselq	`$(VOBJDR)/Vdblstage__ALL.a: $(VOBJDR)/Vdblstage.h`
195			`$(VOBJDR)/Vdblstage__ALL.a: $(VOBJDR)/Vdblstage.cpp`
196			`cd $(VOBJDR)/; make -f Vdblstage.mk`
197	2	dgisselq
198	36	dgisselq	`.PHONY: laststage`
199			`laststage: $(VOBJDR)/Vlaststage__ALL.a`
200	6	dgisselq
201	36	dgisselq	`$(CORED)/laststage.v: fft`
202			`$(VOBJDR)/Vlaststage.cpp $(VOBJDR)/Vlaststage.h: $(CORED)/laststage.v`
203			`cd $(CORED)/; $(VERILATOR) $(VFLAGS) laststage.v`
204			`$(VOBJDR)/Vlaststage__ALL.a: $(VOBJDR)/Vlaststage.h`
205			`$(VOBJDR)/Vlaststage__ALL.a: $(VOBJDR)/Vlaststage.cpp`
206			`cd $(VOBJDR)/; make -f Vlaststage.mk`
207	6	dgisselq
208	36	dgisselq	`.PHONY: fftstage`
209			`fftstage: $(VOBJDR)/Vfftstage__ALL.a`
210
211			`$(CORED)/fftstage.v: fft`
212			`$(VOBJDR)/Vfftstage.cpp $(VOBJDR)/Vfftstage.h: $(CORED)/fftstage.v`
213			`cd $(CORED)/; $(VERILATOR) $(VFLAGS) fftstage.v`
214			`$(VOBJDR)/Vfftstage__ALL.a: $(VOBJDR)/Vfftstage.h`
215			`$(VOBJDR)/Vfftstage__ALL.a: $(VOBJDR)/Vfftstage.cpp`
216			`cd $(VOBJDR)/; make -f Vfftstage.mk`
217
218
219	5	dgisselq	`.PHONY: clean`
220	2	dgisselq	`clean:`
221			`rm fftgen fftgen.o`
222	36	dgisselq	`rm -rf $(CORED)/obj_dir`
223			`rm -rf $(CORED)/fftmain.v $(CORED)/fftstage.v`
224			`rm -rf $(CORED)/qtrstage.v $(CORED)/laststage.v $(CORED)/bitreverse.v`
225			`rm -rf $(CORED)/butterfly.v $(CORED)/hwbfly.v`
226			`rm -rf $(CORED)/longbimpy.v $(CORED)/bimpy.v`
227			`rm -rf $(CORED)/convround.v`
228	2	dgisselq
229	36	dgisselq	`#`
230			`# The "depends" target, to know what files things depend upon. The depends`
231			`# file itself is kept in $(OBJDIR)/depends.txt`
232			`#`
233			`define build-depends`
234			`$(mk-objdir)`
235			`@echo "Building dependency file"`
236			`@$(CXX) $(CFLAGS) $(INCS) -MM $(SOURCES) > $(OBJDIR)/xdepends.txt`
237			`@sed -e 's/^.*.o: /$(OBJDIR)\/&/' < $(OBJDIR)/xdepends.txt > $(OBJDIR)/depends.txt`
238			`@rm $(OBJDIR)/xdepends.txt`
239			`endef`
240	2	dgisselq
241	36	dgisselq	`.PHONY: depends`
242			`depends: tags`
243			`$(build-depends)`
244
245			`$(OBJDIR)/depends.txt: depends`
246
247			`#`
248			`# Make a directory to hold all of the FFT-gen (i.e. the C++) build products`
249			`# (object files)`
250			`#`
251			`define mk-objdir`
252			`@bash -c "if [ ! -e $(OBJDIR) ]; then mkdir -p $(OBJDIR); fi"`
253			`endef`
254
255			`#`
256			`# The "tags" target`
257			`#`
258			`tags: $(SOURCES) $(HEADERS)`
259			`@echo "Generating tags"`
260			`@ctags $(SOURCES) $(HEADERS)`
261
262			`-include $(OBJDIR)/depends.txt`

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