# 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 # cannot commit files larger than 100 MB to GitHub FILE_SIZE_LIMIT_MB = 100 LARGE_FILES := $(shell find ./gds -type f -name "*.gds") LARGE_FILES += $(shell find . -type f -size +$(FILE_SIZE_LIMIT_MB)M -not -path "./.git/*" -not -path "./gds/*" -not -path "./openlane/*") LARGE_FILES_GZ := $(addsuffix .gz, $(LARGE_FILES)) ARCHIVES := $(shell find . -type f -name "*.gz") ARCHIVE_SOURCES := $(basename $(ARCHIVES)) # PDK setup configs THREADS ?= $(shell nproc) STD_CELL_LIBRARY ?= sky130_fd_sc_hd SPECIAL_VOLTAGE_LIBRARY ?= sky130_fd_sc_hvl IO_LIBRARY ?= sky130_fd_io SKYWATER_COMMIT ?= 3d7617a1acb92ea883539bcf22a632d6361a5de4 OPEN_PDKS_COMMIT ?= 32cdb2097fd9a629c91e8ea33e1f6de08ab25946 .DEFAULT_GOAL := ship # We need portable GDS_FILE pointers... .PHONY: ship ship: check-env uncompress @echo "###############################################" @echo "Generating Caravel GDS (sources are in the 'gds' directory)" @sleep 1 @cp gds/caravel.gds gds/caravel.old.gds && echo "Copying old Caravel to gds/caravel.old.gds" || true @cd gds && MAGTYPE=mag magic -rcfile ${PDK_ROOT}/sky130A/libs.tech/magic/current/sky130A.magicrc -noc -dnull gen_caravel.tcl < /dev/null .PHONY: clean clean: echo "clean" .PHONY: verify verify: echo "verify" $(LARGE_FILES_GZ): %.gz: % @if ! [ $(suffix $<) == ".gz" ]; then\ gzip -n --best $< > /dev/null &&\ echo "$< -> $@";\ fi # This target compresses all files larger than $(FILE_SIZE_LIMIT_MB) MB .PHONY: compress compress: $(LARGE_FILES_GZ) @echo "Files larger than $(FILE_SIZE_LIMIT_MB) MBytes are compressed!" $(ARCHIVE_SOURCES): %: %.gz @gzip -d $< &&\ echo "$< -> $@";\ .PHONY: uncompress uncompress: $(ARCHIVE_SOURCES) @echo "All files are uncompressed!" # LVS BLOCKS = $(shell cd openlane && find * -maxdepth 0 -type d) LVS_BLOCKS = $(foreach block, $(BLOCKS), lvs-$(block)) $(LVS_BLOCKS): lvs-% : ./mag/%.mag ./verilog/gl/%.v echo "Extracting $*" mkdir -p ./mag/tmp echo "load $* -dereference;\ extract no all;\ extract do local;\ extract;\ ext2spice lvs;\ ext2spice;\ feedback save extract_$*.log;\ exit;" > ./mag/extract_$*.tcl cd mag && MAGTYPE=maglef magic -rcfile ${PDK_ROOT}/sky130A/libs.tech/magic/current/sky130A.magicrc -noc -dnull extract_$*.tcl mv ./mag/$*.spice ./spi/lvs mv -f ./mag/extract_$*.{tcl,log} ./mag/*.ext ./mag/tmp #### mkdir -p ./spi/lvs/tmp sh ./spi/lvs/run_lvs.sh ./verilog/gl/$*.v ./spi/lvs/$*.spice $* mv -f ./spi/lvs/*{.out,.json,.log} ./spi/lvs/tmp 2> /dev/null || true .PHONY: help help: @$(MAKE) -pRrq -f $(lastword $(MAKEFILE_LIST)) : 2>/dev/null | awk -v RS= -F: '/^# File/,/^# Finished Make data base/ {if ($$1 !~ "^[#.]") {print $$1}}' | sort | egrep -v -e '^[^[:alnum:]]' -e '^$@$$' ########################################################################### .PHONY: pdk pdk: skywater-pdk skywater-library open_pdks build-pdk $(PDK_ROOT)/skywater-pdk: git clone https://github.com/google/skywater-pdk.git $(PDK_ROOT)/skywater-pdk .PHONY: skywater-pdk skywater-pdk: check-env $(PDK_ROOT)/skywater-pdk cd $(PDK_ROOT)/skywater-pdk && \ git checkout master && git pull && \ git checkout -qf $(SKYWATER_COMMIT) .PHONY: skywater-library skywater-library: check-env $(PDK_ROOT)/skywater-pdk cd $(PDK_ROOT)/skywater-pdk && \ git submodule update --init libraries/$(STD_CELL_LIBRARY)/latest && \ git submodule update --init libraries/$(IO_LIBRARY)/latest && \ git submodule update --init libraries/$(SPECIAL_VOLTAGE_LIBRARY)/latest && \ $(MAKE) -j$(THREADS) timing ### OPEN_PDKS $(PDK_ROOT)/open_pdks: git clone https://github.com/RTimothyEdwards/open_pdks.git $(PDK_ROOT)/open_pdks .PHONY: open_pdks open_pdks: check-env $(PDK_ROOT)/open_pdks cd $(PDK_ROOT)/open_pdks && \ git checkout master && git pull && \ git checkout -qf $(OPEN_PDKS_COMMIT) .PHONY: build-pdk build-pdk: check-env $(PDK_ROOT)/open_pdks $(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 $(PDK_ROOT)/open_pdks && \ ./configure --with-sky130-source=$(PDK_ROOT)/skywater-pdk/libraries --with-sky130-local-path=$(PDK_ROOT) && \ cd sky130 && \ $(MAKE) veryclean && \ $(MAKE) && \ $(MAKE) install-local .RECIPE: manifest manifest: cd verilog/rtl/ && \ find * -type f ! -name "user_*.v" ! -name "manifest" ! -name "README" ! -name "defines.v" -exec shasum {} \; > manifest && \ cd ../../maglef/ && \ shasum *.mag > manifest && \ cd ../mag/ && \ shasum caravel.mag .magicrc > manifest check-env: ifndef PDK_ROOT $(error PDK_ROOT is undefined, please export it before running make) endif