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    /zipcpu/trunk/bench/cpp
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Rev 197 → Rev 202

/Makefile
4,92 → 4,21
#
# Project: Zip CPU -- a small, lightweight, RISC CPU soft core
#
# Purpose: This makefile builds the final verilator simulation of the
# zipsystem. Specifically, it builds the final C++ portion
# of the simulator, and thus the final simulator executable.
# Purpose: To direct and simplify the build of a variety of simple test
# programs which will use one (or both) of the ZipCPU simulators.
#
# This simulator depends upon the ncurses library.
# Targets include:
#
# Useful targets of this makefile include:
# helloworld
#
# zippy_tb (default)
# This is the test bench program / simulator that is built by
# this directory.
#
# test
# Runs the simulator on a test program found in the trunk/sw/zasm
# directory. That program needs to be built via 'make test' in
# that directory before this make test will work. Changes to the
# test itself will require a 'make test' in trunk/sw/zasm as well
# as 'make test' in this directory.
#
# The test itself consists of two tests. The first, the "step"
# test, tests whether the test works via "step"ing the CPU.
# This would be the interface to the CPU were the CPU placed in
# a device.
#
# The second test is an internal test which works by just running
# the CPU without step instructions.
#
# In either case the test is over upon reaching either a HALT
# or a BUSY instruction. A HALT instruction indicates success,
# BUSY a failure.
#
# stest
# Runs the test in "step" mode as described above.
#
# itest
# Runs the test file in interactive mode. The CPU will not
# execute any instructions without user interaction. This is
# useful for actually debugging the test. The other two modes
# are useful for quickly determining that the CPU does (or
# doesn't) work.
#
# dhrystone
# Runs a hand-optimized version of the dhrystone benchmark.
# Using the instructions at the top of the dhrystone assembly
# file, you should be able to convert the result to DMIPS or even
# DMIPS/MHz.
#
# div_tb
# A raw test bench to test the divide unit separate from the
# rest of the CPU. This test will fail with a failed assert()
# if unsuccessful, or complete with no error (but lots of
# debugging output) if successful. To actually run this test,
# you'll need to run ./div_tb (no arguments necessary).
#
# mpy_tb
# A raw test bench to test the multiply instructions within the
# cpuops (ALU) unit separate from the rest of the CPU. For more
# details, look at the usage statement wtihin mpy_tb.
#
# zipmmu_tb
# Like div_tb, this is another raw component test bench. In this
# case, zipmmu_tb tests whether or not the MMU works when
# separated from the rest of the CPU.
#
# pdump
# zippy_tb can be configured to produce a profile output that is
# very useful when debugging the Dhrystone benchmark. (It is
# so configured by default.) This file will be name pfile.bin.
# pdump is a very simple program designed to read this file and
# produce some (very raw) information from it. To use this,
# type pdump and the name of the executable file, such as
# ../asm/zipdhry.z, and examine how many times each instruction
# was executed, and how many stalls took place between each
# instruction and the next.
#
# clean
# Removes all products of compilation--specifically zippy_tb,
# pdump and div_tb.
#
#
# Creator: Dan Gisselquist, Ph.D.
# Gisselquist Technology, LLC
#
################################################################################
#
# Copyright (C) 2015-2016, Gisselquist Technology, LLC
# Copyright (C) 2017, 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
101,6 → 30,11
# 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
#
107,55 → 41,43
#
################################################################################
#
all: zippy_tb pdump div_tb mpy_tb
.PHONY: all
all: helloworld
 
CXX := g++
FLAGS := -Wall -Og -g
ZASM := ../../sw/zasm
RTLD := ../../rtl
VERILATOR_ROOT ?= $(shell bash -c 'verilator -V|grep VERILATOR_ROOT | head -1 | sed -e " s/^.*=\s*//"')
VROOT := $(VERILATOR_ROOT)
INCS := -I$(RTLD)/obj_dir/ -I$(RTLD) -I$(VROOT)/include -I$(ZASM)
SOURCES := zippy_tb.cpp memsim.cpp twoc.cpp $(ZASM)/zopcodes.cpp $(ZASM)/zparser.cpp
VLIB := $(VROOT)/include/verilated.cpp
RAWLIB := $(VLIB) $(RTLD)/obj_dir/Vzipsystem__ALL.a
LIBS := $(RAWLIB) -lncurses -lelf
TESTF := $(ZASM)/z.out
DHRYSTONEF := ../asm/zipdhry.z
CC := zip-gcc
OBJDUMP := zip-objdump
OBJDIR := obj-zip
CFLAGS := -O3
LIBD := ../../sw/install/cross-tools/zip/lib
LIBS := -L$(LIBD) -lzipbasic
SOURCES:= helloworld.c
LDSCRIPT:= ../zipsim.ld
 
zippy_tb: $(SOURCES) $(RAWLIB) $(ZASM)/zopcodes.h $(ZASM)/zparser.h testb.h
zippy_tb: $(RTLD)/cpudefs.h
$(CXX) $(FLAGS) $(INCS) $(SOURCES) $(LIBS) -o $@
$(OBJDIR)/%.o: %.c
$(CC) $(CFLAGS) -c $< -o $@
 
div_tb: div_tb.cpp twoc.cpp $(VLIB) $(RTLD)/obj_dir/Vdiv__ALL.a testb.h
$(CXX) $(FLAGS) $(INCS) div_tb.cpp twoc.cpp $(VLIB) $(RTLD)/obj_dir/Vdiv__ALL.a -o $@
helloworld: $(OBJDIR)/helloworld.o
$(CC) -T $(LDSCRIPT) $(CFLAGS) $(LIBD)/crt0.o $(LIBS) $< -o $@
 
mpy_tb: mpy_tb.cpp twoc.cpp $(VLIB) $(RTLD)/obj_dir/Vcpuops__ALL.a testb.h
$(CXX) $(FLAGS) $(INCS) mpy_tb.cpp twoc.cpp $(VLIB) $(RTLD)/obj_dir/Vcpuops__ALL.a -o $@
helloworld.txt: helloworld
$(OBJDUMP) -dr $< > $@
 
zipmmu_tb: zipmmu_tb.cpp $(VLIB) ../rtl/obj_dir/Vzipmmu_tb__ALL.a
$(CXX) $(FLAGS) $(INCS) -I ../rtl/obj_dir zipmmu_tb.cpp $(VLIB) ../rtl/obj_dir/Vzipmmu_tb__ALL.a -o $@
define build-depends
$(CC) $(CFLAGS) -MM $(SOURCES) > $(OBJDIR)/xdepends.txt
sed -e 's/^.*.o: /$(OBJDIR)\/&/' < $(OBJDIR)/xdepends.txt > $(OBJDIR)/depends.txt
@rm -f $(OBJDIR)/xdepends.txt
endef
 
pdump: pdump.cpp $(ZASM)/zopcodes.cpp $(ZASM)/zparser.cpp
pdump: $(ZASM)/zopcodes.h $(ZASM)/zparser.h testb.h twoc.cpp
$(CXX) $(FLAGS) $(INCS) pdump.cpp $(ZASM)/zopcodes.cpp $(ZASM)/zparser.cpp twoc.cpp -lelf -o $@
tags: $(SOURCES)
@ctags $(SOURCES)
 
.PHONY: stest
stest: zippy_tb
./zippy_tb -s $(TESTF)
.PHONY: depends
depends: tags $(OBJDIR)/
$(build-depends)
 
.PHONY: itest
itest: zippy_tb
./zippy_tb $(TESTF)
$(OBJDIR)/:
@bash -c "if [[ ! -e $(OBJDIR) ]]; then mkdir -p $(OBJDIR)/; fi"
 
.PHONY: test
test: zippy_tb stest
./zippy_tb -a $(TESTF)
 
.PHONY: dhrystone
dhrystone: zippy_tb
./zippy_tb -a $(DHRYSTONEF)
 
.PHONY: clean
clean:
rm ./zippy_tb pdump div_tb mpy_tb
rm -rf helloworld

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