darkriscv

# Copyright (c) 2018, Marcelo Samsoniuk
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 
## Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
# 
## Redistributions in binary form must reproduce the above copyright notice,
#   this list of conditions and the following disclaimer in the documentation
#   and/or other materials provided with the distribution.
# 
## Neither the name of the copyright holder nor the names of its
#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

ifndef ICARUS
    ICARUS = iverilog -Wall
endif

RTLS =  darksimv.v                      \
        ../rtl/darksocv.v               \
        ../rtl/darkbridge.v             \
        ../rtl/darkuart.v               \
        ../rtl/darkriscv.v              \
        ../rtl/darkpll.v                \
        ../rtl/darkram.v                \
        ../rtl/darkio.v                 \
        ../rtl/darkcache.v              \
        ../rtl/darkmac.v                \
        ../rtl/lib/sdram/mt48lc16m16a2_ctrl.v

INCS = ../rtl/config.vh
XSIM = darksocv
VCDS = darksocv.vcd
TRCE = darksocv.txt

ifeq ($(APPLICATION),spidemo)
ICARUS += -DSPI=1
RTLS += ../rtl/darkspi.v                \
        ../rtl/lib/spi/lis3dh_stub.v
RTLS += ../rtl/lib/spi/spi_master.v
SPIBB := 1
ifdef SPIBB
ICARUS += -DSPIBB=1
RTLS += ../rtl/lib/spi/spi_master_bb.v
endif
SPI3WIRE:=1
ifdef SPI3WIRE
ICARUS += -DSPI3WIRE=1
endif
DUT:=darksocv
include cosim.mk
COSIM_SRC := $(RTLS)
ifdef VLATOR
VOPT+=-DSIMULATION=1 -DSPI=1 -GSPI_DIV_COEF=1
ifdef SPIBB
VOPT+=-DSPIBB=1
endif
ifdef COSIM
COSIM_TARGET := $(DUT).cosim
endif
endif
endif

.PRECIOUS: $(VCDS)	# Do not delete the trace file if simulation is aborted
.PHONY: $(VCDS)		# Always run the simulation

ifdef HARVARD
	SRCS = ../src/darksocv.rom.mem ../src/darksocv.ram.mem
else
	SRCS = ../src/darksocv.mem
endif

DEPS = $(SRCS) $(RTLS) $(INCS)

all: $(VCDS) $(COSIM_TARGET)
	@echo simulation ok.

clean:
	-rm -f $(VCDS) $(XSIM) $(TRCE) $(GUI_VCD_FILE) imgui.ini
	-rm -rf tmp_gui

$(VCDS): $(XSIM)
	echo "VCDS=$(VCDS): XSIM=$(XSIM)"
	@echo finish |                                          \
	awk '/^`define __TRACE__/{ exit(-1) }' ../rtl/config.vh \
	&& ./$(XSIM)                                            \
	|| ./$(XSIM) |                                          \
	    awk '{  if($$0~/trace:/) {                          \
	        print > "$(TRCE)";                              \
	        if($$0~/40000005:/) {                           \
	            split($$NF,A,":");                          \
	            VAL=("0x"A[2])+0;                           \
	            if(VAL>65536) VAL=VAL/256;                  \
	            printf("%c",VAL/256); } }                   \
	        else print }'                                   

$(XSIM): $(DEPS)
	$(ICARUS) -I ../rtl -o $(XSIM) $(RTLS)