Subversion Repositories wbuart32

##              rxuart (UART receiver/sink) and wbuart (UART module, containing

##      both receiver and transmitter, with FIFOs, controlled via wishbone).

##

##

## Targets:

##      test

##              Perform both tests.  The end result should be either a PASS

##              or a FAIL.

##

##      helloworld

##              A non-automated, and less interactive test than the others.  In

##              this test, the UART simply produces a Hello World message to the

##              screen over and over again.

##

##      linetest

##              An automated test of both txuart and rxuart.  The test works

##              by sending a message through the rxuart, and receiving the

##              message via the txuart.  This depends upon a Verilog test

##              infrastructure, linetest.v.

##

##              This test may be ran in an interactive mode.  In this mode,

##              characters written to the UART will be reflected back upon

##              the entrance of a return character.

##

##      speechtest

##              An automated test of the wbuart, txuart, and fifo.  In this

##              case, the test RTL produces a copy of the Gettysburg address,

##              filling the FIFO at 12/16 at a time.  In automated mode, the

##              speechtest will compare the output against against a text copy

##              of the speech, and report upon any success or failure.

##

##              In interactive mode, the test will repeatedly print out the

##              Gettysburg address until stopped.  (It may take a significant

##              amount of time between copies of the Gettysburg address ...)

##

VERILATOR_ROOT ?= $(shell bash -c 'verilator -V|grep VERILATOR_ROOT | head -1 | sed -e " s/^.*=\s*//"')

VROOT   := $(VERILATOR_ROOT)

LINOBJS:= $(addprefix $(OBJDIR)/,$(LINOBJ))

# Sources necessary to build the helloworld test (txuart test)

HLOSRCS := helloworld.cpp uartsim.cpp

HLOOBJ := $(subst .cpp,.o,$(HLOSRCS))

HLOOBJS:= $(addprefix $(OBJDIR)/,$(HLOOBJ))

# Sources necessary to build the speech test (wbuart test)

SPCHSRCS:= speechtest.cpp uartsim.cpp

SPCHOBJ := $(subst .cpp,.o,$(SPCHSRCS))

SPCHOBJS:= $(addprefix $(OBJDIR)/,$(SPCHOBJ))

all:    $(OBJDIR)/ linetest helloworld speechtest test

        $(CXX) $(FLAGS) $(INCS) $^ $(VLIB) -o $@

helloworld: $(HLOOBJS) $(VOBJDR)/Vhelloworld__ALL.a

#

# The speech test program depends upon a copy of the Gettysburg Address,

# turned into a hex file format which will be read by the Verilog/RTL

# $readmemh function.  However, we need to create that hex file that will

# written.  That's the purpose of mkspeech--to make a file that can be read

# by $readmemh.

#

mkspeech: mkspeech.cpp

        $(CXX) mkspeech.cpp -o $@

# Now that mkspeech is available, use it to produce a speech.hex file from

# the speech.txt file.  Be careful if you adjust this speech: the speechfifo.v

# verilog file depends upon the exact number of characters--its not a portable

# dependency, but ... it is what it is.

speech.hex: mkspeech speech.txt

        ./mkspeech speech.txt

# Now, if the speech.hex file is available, then we can perform our final build.

# Actually, we could've done this without the speech file being available, but

# this works.

speechtest: speech.hex $(SPCHOBJS) $(VOBJDR)/Vspeechfifo__ALL.a

        $(CXX) $(FLAGS) $(INCS) $(SPCHOBJS) $(VOBJDR)/Vspeechfifo__ALL.a $(VLIB) -o $@

test: linetest speechtest

        ./linetest

        ./speechtest

        rm -f ./mkspeech ./speech.hex