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# Copyright 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.
# Adopted from OpenLANE's Makefile.
OPEN_PDKS_ROOT ?= $(shell pwd)/..
THREADS ?= $(shell nproc)
STD_CELL_LIBRARY ?= sky130_fd_sc_hd
SKYWATER_COMMIT ?= b5ff6174d9aa921f670f12a2893969fe4a516f6c
.DEFAULT_GOAL := all
.PHONY: all
all: pdk
.PHONY: pdk
pdk: skywater-pdk skywater-library build-pdk
$(PDK_ROOT)/skywater-pdk:
git clone https://github.com/google/skywater-pdk.git $(PDK_ROOT)/skywater-pdk
.PHONY: skywater-pdk
skywater-pdk: $(PDK_ROOT)/skywater-pdk
cd $(PDK_ROOT)/skywater-pdk && \
git checkout -qf $(SKYWATER_COMMIT)
.PHONY: skywater-library
skywater-library: $(PDK_ROOT)/skywater-pdk
cd $(PDK_ROOT)/skywater-pdk && \
git submodule update --init libraries/$(STD_CELL_LIBRARY)/latest && \
$(MAKE) -j$(THREADS) $(STD_CELL_LIBRARY)
.PHONY: all-skywater-libraries
all-skywater-libraries: skywater-pdk
cd $(PDK_ROOT)/skywater-pdk && \
git submodule update --init libraries/sky130_fd_sc_hd/latest && \
git submodule update --init libraries/sky130_fd_sc_hs/latest && \
git submodule update --init libraries/sky130_fd_sc_hdll/latest && \
git submodule update --init libraries/sky130_fd_sc_ms/latest && \
git submodule update --init libraries/sky130_fd_sc_ls/latest && \
git submodule update --init libraries/sky130_fd_sc_hvl/latest && \
$(MAKE) -j$(THREADS) timing
.PHONY: build-pdk
build-pdk: $(PDK_ROOT)/skywater-pdk
[[ -d $(PDK_ROOT)/sky130A ]] && \
(echo "Warning: A sky130A build already exists under $(PDK_ROOT). It will be deleted first!" && \
sleep 5 && \
rm -rf $(PDK_ROOT)/sky130A) || \
true
cd $(OPEN_PDKS_ROOT) && \
./configure \
--prefix=$(PDK_ROOT) \
--datarootdir=$(PDK_ROOT) \
--enable-sky130-pdk=$(PDK_ROOT)/skywater-pdk \
&& \
cd sky130 && \
$(MAKE) veryclean && \
$(MAKE) && \
$(MAKE) install-local