Merge branch 'main' into verilator

.github/workflows/auto-update-caravel-lite.yml

@@ -51,7 +51,7 @@ jobs:
           git remote add parent https://github.com/efabless/caravel
           git pull parent main
           git fetch --all --tags
-          git filter-repo --path def --path-glob 'signoff/*/openlane-signoff/spef' --path signoff/caravel/caravel.sdc --path signoff/caravan/caravan.sdc --path openlane/user_project_wrapper --path openlane/user_analog_project_wrapper --path openlane/Makefile --path gds/user_project_wrapper_empty.gds.gz --path gds/user_analog_project_wrapper_empty.gds.gz --path mag/user_project_wrapper_empty.mag --path mag/user_analog_project_wrapper_empty.mag --path lef/user_project_wrapper_empty.lef --path lef/user_analog_project_wrapper_empty.lef --path verilog/ --path Makefile --path scripts/ --path LICENSE --path manifest --path spi/lvs/run_lvs.sh --path gds/gds2mag-all.sh --path gds/drc_on_gds.tcl --path gds/antenna_on_gds.tcl --path spi/lvs/caravel.spice --path spi/lvs/caravan.spice --force
+          git filter-repo --path def --path-glob 'signoff/*/openlane-signoff/spef' --path signoff/caravel/caravel.sdc --path signoff/caravan/caravan.sdc --path openlane/user_project_wrapper --path openlane/user_analog_project_wrapper --path openlane/Makefile --path gds/user_project_wrapper_empty.gds.gz --path gds/user_analog_project_wrapper_empty.gds.gz --path gds/openframe_project_wrapper_empty.gds.gz --path mag/user_project_wrapper_empty.mag --path mag/user_analog_project_wrapper_empty.mag --path lef/user_project_wrapper_empty.lef --path lef/user_analog_project_wrapper_empty.lef --path verilog/ --path Makefile --path scripts/ --path LICENSE --path manifest --path spi/lvs/run_lvs.sh --path gds/gds2mag-all.sh --path gds/drc_on_gds.tcl --path gds/antenna_on_gds.tcl --path spi/lvs/caravel.spice --path spi/lvs/caravan.spice --force
           git remote add caravel_lite https://x-access-token:${{ secrets.EFSTAFF_TOKEN }}@github.com/efabless/caravel-lite
           git push --force caravel_lite main
           git push -f --tags caravel_lite main

.github/workflows/block_CI.yaml

@@ -0,0 +1,27 @@
+name: Block PR
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  changed_files:
+    runs-on: ubuntu-latest
+    name: Test changed-files
+    permissions:
+      pull-requests: read
+
+    steps:
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v39
+
+      - name: List all changed files
+        run: |
+          for file in ${{ steps.changed-files.outputs.all_changed_files }}; do
+            echo "$file was changed"
+            if [[ "$file" == *"verilog/rtl/"* || "$file" == *"mag/"* || "$file" == *"gds/"* ]]; then
+              exit 1
+            fi
+          done

.readthedocs.yml

@@ -1,28 +1,22 @@
-# 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
-# .readthedocs.yml
+# .readthedocs.yaml
 # Read the Docs configuration file
 # See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
 
 # Required
 version: 2
 
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.10"
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
 
-conda:
-  environment: docs/environment.yml
+# We recommend specifying your dependencies to enable reproducible builds:
+# https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+python:
+  install:
+  - requirements: docs/requirements.txt

Makefile

@@ -50,7 +50,7 @@ LARGE_FILES_GZ_SPLIT += $(addsuffix .00.split, $(ARCHIVES))
 
 MCW_ROOT?=$(PWD)/mgmt_core_wrapper
 MCW ?=LITEX_VEXRISCV
-MPW_TAG ?= mpw-9c
+MPW_TAG ?= mpw-9f
 
 PYTHON_BIN ?= python3
 
@@ -98,7 +98,7 @@ SPECIAL_VOLTAGE_LIBRARY ?= sky130_fd_sc_hvl
 IO_LIBRARY ?= sky130_fd_io
 PRIMITIVES_LIBRARY ?= sky130_fd_pr
 SKYWATER_COMMIT ?= f70d8ca46961ff92719d8870a18a076370b85f6c
-OPEN_PDKS_COMMIT ?= 0059588eebfc704681dc2368bd1d33d96281d10f
+OPEN_PDKS_COMMIT ?= 12df12e2e74145e31c5a13de02f9a1e176b56e67
 # = 1.0.303
 PDK_MAGIC_COMMIT ?= 085131b090cb511d785baf52a10cf6df8a657d44
 # = 8.3.294
@@ -200,6 +200,47 @@ __truck:
 	@cd $(CARAVEL_ROOT)/mag && PDKPATH=${PDK_ROOT}/$(PDK) MAGTYPE=mag magic -noc -dnull -rcfile ./.magicrc $(UPRJ_ROOT)/mag/mag2gds_caravan.tcl 2>&1 | tee $(UPRJ_ROOT)/signoff/build/make_truck.out
 ###	@rm $(UPRJ_ROOT)/mag/mag2gds_caravan.tcl
 
+.PHONY: openframe
+openframe: check-env uncompress uncompress-caravel
+ifeq ($(FOREGROUND),1)
+	@echo "Running make openframe in the foreground..."
+	$(MAKE) -f $(CARAVEL_ROOT)/Makefile __openframe
+	@echo "Make openframe completed." 2>&1 | tee -a ./signoff/build/make_openframe.out
+else
+	@echo "Running make openframe in the background..."
+	nohup $(MAKE) -f $(CARAVEL_ROOT)/Makefile __openframe >/dev/null 2>&1 &
+	tail -f signoff/build/make_openframe.out
+	@echo "Make openframe completed."  2>&1 | tee -a ./signoff/build/make_openframe.out
+endif
+
+__openframe:
+	@echo "###############################################"
+	@echo "Generating Caravel GDS (sources are in the 'gds' directory)"
+	@sleep 1
+#### Runs from the CARAVEL_ROOT mag directory
+	@echo "\
+		drc off; \
+		crashbackups stop; \
+		addpath hexdigits; \
+		addpath $(UPRJ_ROOT)/mag; \
+		load openframe_project_wrapper; \
+		property LEFview true; \
+		property GDS_FILE $(UPRJ_ROOT)/gds/openframe_project_wrapper.gds; \
+		property GDS_START 0; \
+		load $(UPRJ_ROOT)/mag/user_id_programming; \
+		load $(UPRJ_ROOT)/mag/user_id_textblock; \
+		load $(CARAVEL_ROOT)/maglef/simple_por; \
+		load caravel_openframe -dereference; \
+		select top cell; \
+		expand; \
+		cif *hier write disable; \
+		cif *array write disable; \
+		gds write $(UPRJ_ROOT)/gds/caravel_openframe.gds; \
+		quit -noprompt;" > $(UPRJ_ROOT)/mag/mag2gds_caravel_openframe.tcl
+### Runs from CARAVEL_ROOT
+	@mkdir -p ./signoff/build
+	@cd $(CARAVEL_ROOT)/mag && PDKPATH=${PDK_ROOT}/$(PDK) MAGTYPE=mag magic -noc -dnull -rcfile ${PDK_ROOT}/$(PDK)/libs.tech/magic/$(PDK).magicrc $(UPRJ_ROOT)/mag/mag2gds_caravel_openframe.tcl 2>&1 | tee $(UPRJ_ROOT)/signoff/build/make_openframe.out
+
 .PHONY: clean
 clean:
 	cd $(CARAVEL_ROOT)/verilog/dv/caravel/mgmt_soc/ && \