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# 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

BLOCKS = $(shell find * -maxdepth 0 -type d)
CONFIG = $(foreach block,$(BLOCKS), ./$(block)/config.tcl)
CLEAN = $(foreach block,$(BLOCKS), clean-$(block))

OPENLANE_TAG ?= v0.15
OPENLANE_IMAGE_NAME ?= efabless/openlane:$(OPENLANE_TAG)
OPENLANE_BASIC_COMMAND = "cd /project/openlane && flow.tcl -design ./$* -save_path .. -save -tag $* -overwrite"
OPENLANE_INTERACTIVE_COMMAND = "cd /project/openlane && flow.tcl -it -file ./$*/interactive.tcl"

all: $(BLOCKS)

$(CONFIG) :
        @echo "Missing $@. Please create a configuration for that design"
        @exit 1

$(BLOCKS) : % : ./%/config.tcl FORCE
ifeq ($(OPENLANE_ROOT),)
        @echo "Please export OPENLANE_ROOT"
        @exit 1
endif
ifeq ($(PDK_ROOT),)
        @echo "Please export PDK_ROOT"
        @exit 1
endif
        @echo "###############################################"
        @sleep 1

        @if [ -f ./$*/interactive.tcl ]; then\
                docker run -it -v $(OPENLANE_ROOT):/openLANE_flow \
                -v $(PDK_ROOT):$(PDK_ROOT) \
                -v $(PWD)/..:/project \
                -e PDK_ROOT=$(PDK_ROOT) \
                -u $(shell id -u $(USER)):$(shell id -g $(USER)) \
                $(OPENLANE_IMAGE_NAME) sh -c $(OPENLANE_INTERACTIVE_COMMAND);\
        else\
                docker run -it -v $(OPENLANE_ROOT):/openLANE_flow \
                -v $(PDK_ROOT):$(PDK_ROOT) \
                -v $(PWD)/..:/project \
                -e PDK_ROOT=$(PDK_ROOT) \
                -u $(shell id -u $(USER)):$(shell id -g $(USER)) \
                $(OPENLANE_IMAGE_NAME) sh -c $(OPENLANE_BASIC_COMMAND);\
        fi
        mkdir -p ../signoff/$*/
        cp $*/runs/$*/OPENLANE_VERSION ../signoff/$*/
        cp $*/runs/$*/PDK_SOURCES ../signoff/$*/
        cp $*/runs/$*/reports/final_summary_report.csv ../signoff/$*/

.PHONY: openlane
openlane:
ifeq ($(OPENLANE_ROOT),)
        @echo "Please export OPENLANE_ROOT"
        @exit 1
endif
        git clone https://github.com/efabless/openlane.git --branch=$(OPENLANE_TAG) --depth=1 $(OPENLANE_ROOT) && \
                cd $(OPENLANE_ROOT) && \
                make openlane

FORCE:

clean:
        @echo "Use clean_all to clean everything :)"

clean_all: $(CLEAN)

$(CLEAN): clean-% :
        rm -rf runs/$*
        rm -rf ../gds/$**
        rm -rf ../mag/$**
        rm -rf ../lef/$**