# SPDX-FileCopyrightText: 2020 Efabless Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0

## PDK 
PDK_PATH = $(PDK_ROOT)/sky130A

## Caravel Pointers
CARAVEL_ROOT ?= ../../../caravel
CARAVEL_PATH ?= $(CARAVEL_ROOT)
CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel
CARAVEL_VERILOG_PATH  = $(CARAVEL_PATH)/verilog
CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl
CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel

## User Project Pointers
UPRJ_VERILOG_PATH ?= ../../../verilog
UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl
UPRJ_BEHAVIOURAL_MODELS = ../
UPRJ_INCLUDE_PATH1 = $(UPRJ_RTL_PATH)/mbist/include


## Simulation mode: RTL/GL
SIM_DEFINES = -DFUNCTIONAL -DSIM
SIM?=RTL
DUMP?=OFF

.SUFFIXES:

PATTERN = user_mbist_test1

all:  ${PATTERN:=.vcd}

vvp:  ${PATTERN:=.vvp}

%.vvp: %_tb.v 
ifeq ($(SIM),RTL)
   ifeq ($(DUMP),OFF)
	iverilog -g2005-sv $(SIM_DEFINES) -I $(PDK_PATH) \
	-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \
	-I $(UPRJ_BEHAVIOURAL_MODELS)    -I $(UPRJ_RTL_PATH) \
	-I $(UPRJ_INCLUDE_PATH1) \
	$< -o $@ 
    else 
	iverilog -g2005-sv -DWFDUMP $(SIM_DEFINES) -I $(PDK_PATH) \
	-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \
	-I $(UPRJ_BEHAVIOURAL_MODELS)    -I $(UPRJ_RTL_PATH) \
	-I $(UPRJ_INCLUDE_PATH1) \
	$< -o $@
   endif 
else  
	iverilog $(SIM_DEFINES) -DGL -I $(PDK_PATH) \
	-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \
	-I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH)   -I $(UPRJ_VERILOG_PATH) \
	$< -o $@ 
endif

%.vcd: %.vvp
	vvp $<

check-env:
ifndef PDK_ROOT
	$(error PDK_ROOT is undefined, please export it before running make)
endif
ifeq (,$(wildcard $(PDK_ROOT)/sky130A))
	$(error $(PDK_ROOT)/sky130A not found, please install pdk before running make)
endif
#ifeq (,$(wildcard $(GCC64_PREFIX)-gcc ))
#	$(error $(GCC64_PREFIX)-gcc is not found, please export GCC_PATH and GCC_PREFIX before running make)
#endif
# check for efabless style installation
ifeq (,$(wildcard $(PDK_ROOT)/sky130A/libs.ref/*/verilog))
SIM_DEFINES := ${SIM_DEFINES} -DEF_STYLE
endif

# ---- Clean ----

clean:
	rm -f *.vvp *.vcd *.log

.PHONY: clean all