From 641096e4edacc0770aef39baddaefc9908171750 Mon Sep 17 00:00:00 2001 From: Donn Date: Sat, 15 Jan 2022 23:27:38 +0200 Subject: [PATCH] Move Rectify To Caravel --- .../interactive.tcl | 20 +-- .../user_analog_project_wrapper/rectify.py | 148 ++++++++++++++++++ 2 files changed, 158 insertions(+), 10 deletions(-) create mode 100755 openlane/user_analog_project_wrapper/rectify.py diff --git a/openlane/user_analog_project_wrapper/interactive.tcl b/openlane/user_analog_project_wrapper/interactive.tcl index f67a7d75..c034ee9e 100644 --- a/openlane/user_analog_project_wrapper/interactive.tcl +++ b/openlane/user_analog_project_wrapper/interactive.tcl @@ -39,11 +39,11 @@ run_magic run_magic_drc save_views -lef_path $::env(magic_result_file_tag).lef \ - -def_path $::env(CURRENT_DEF) \ - -gds_path $::env(magic_result_file_tag).gds \ - -mag_path $::env(magic_result_file_tag).mag \ - -save_path $save_path \ - -tag $::env(RUN_TAG) + -def_path $::env(CURRENT_DEF) \ + -gds_path $::env(magic_result_file_tag).gds \ + -mag_path $::env(magic_result_file_tag).mag \ + -save_path $save_path \ + -tag $::env(RUN_TAG) # make pin labels visible in the magview exec /bin/bash $script_dir/../../utils/export_pin_labels.sh $script_dir/../../mag/$::env(RUN_TAG).mag 0 3498 2920 3520 0 -20 2920 4 >@stdout 2>@stderr @@ -57,9 +57,9 @@ set llx [expr [lindex $::env(DIE_AREA) 0]-$gap] set lly [expr [lindex $::env(DIE_AREA) 1]-$gap] set urx [expr [lindex $::env(DIE_AREA) 2]+$gap] set ury [expr [lindex $::env(DIE_AREA) 3]+$gap] -exec python3 $::env(OPENLANE_ROOT)/scripts/rectify.py $llx $lly $urx $ury \ - < $::env(magic_result_file_tag).lef \ - | python3 $::env(OPENLANE_ROOT)/scripts/obs.py {*}$::env(DIE_AREA) li1 met1 met2 met3 \ - | python3 $::env(OPENLANE_ROOT)/scripts/obs.py -42.88 -37.53 2962.50 3557.21 met4 met5 \ - > $::env(magic_result_file_tag).obstructed.lef +exec python3 $script_dir/rectify.py $llx $lly $urx $ury \ + < $::env(magic_result_file_tag).lef \ + | python3 $::env(OPENLANE_ROOT)/scripts/obs.py {*}$::env(DIE_AREA) li1 met1 met2 met3 \ + | python3 $::env(OPENLANE_ROOT)/scripts/obs.py -42.88 -37.53 2962.50 3557.21 met4 met5 \ + > $::env(magic_result_file_tag).obstructed.lef file copy -force $::env(magic_result_file_tag).obstructed.lef $save_path/lef \ No newline at end of file diff --git a/openlane/user_analog_project_wrapper/rectify.py b/openlane/user_analog_project_wrapper/rectify.py new file mode 100755 index 00000000..bad7ce58 --- /dev/null +++ b/openlane/user_analog_project_wrapper/rectify.py @@ -0,0 +1,148 @@ +#!/usr/bin/env python3 +# Copyright 2020 Efabless Corporation +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +""" +takes a lef file and a rectangle => trims all RECT statements within the area +""" +import re +import sys + +ARGV = sys.argv +if len(ARGV) < 5: + print("Usage " + ARGV[0] + " llx lly urx ury") + sys.exit(-1) +LLX = float(ARGV[1]) +LLY = float(ARGV[2]) +URX = float(ARGV[3]) +URY = float(ARGV[4]) +LAYERS = ["li1", "met1", "met2", "met3", "met4", "met5"] +RECT_REGEX = ( + r"^\s*RECT\s+(-?\d+\.?\d*)\s+(-?\d+\.?\d*)\s+(-?\d+\.?\d*)\s+(-?\d+\.?\d*)\s+;$" +) +# SIZE_REGEX = r"^\s*SIZE\s+(-?\d+\.?\d*)\s+BY\s+\s+(-?\d+\.?\d*);$" + + +def get_cut_rect_x(rect, axis): + """ + cuts one rect about an x axis + """ + rects = [rect] + llx, lly, urx, ury = rect + if llx < axis and urx > axis: + rects = [(llx, lly, axis, ury), (axis, lly, urx, ury)] + return rects + + +def get_cut_rect_y(rect, axis): + """ + cuts one rect about an y axis + """ + rects = [rect] + llx, lly, urx, ury = rect + if lly < axis and ury > axis: + rects = [(llx, lly, urx, axis), (llx, axis, urx, ury)] + return rects + + +def rects2cutrects(rects, axis, direction): + """ + cut a list of rects (4-tuple) and returns another list of of rects (4-tuple) + cut by an x or y axis + + axix is a position + + direction is either 'x' or 'y' + """ + rects_cut = [] + if direction == "x": + for rect in rects: + rects_cut += get_cut_rect_x(rect, axis) + else: + for rect in rects: + rects_cut += get_cut_rect_y(rect, axis) + return rects_cut + + +def get_all_cut_rects(rect): + """ + cut a rect about the 4 axis LLX, LLY, URX, URY + """ + rects = [rect] + rects = rects2cutrects(rects, LLX, "x") + rects = rects2cutrects(rects, URX, "x") + rects = rects2cutrects(rects, LLY, "y") + rects = rects2cutrects(rects, URY, "y") + return rects + + +def rectify(rects): + """ + gets a list of already cut rects (4-tuple) and returns another list of of + rects (4-tuple) that are not within LLX, LLY, URX, URY + """ + rect_outside = [] + for rect in rects: + llx, lly, urx, ury = rect + if ( + llx < LLX + or llx > URX + or urx > URX + or urx < LLX + or lly < LLY + or lly > URY + or ury > URY + or ury < LLY + ): + rect_outside += [rect] + return rect_outside + + +def print_rects(prefix, rects): + for rect in rects: + llx, lly, urx, ury = rect + print(prefix + "RECT %f %f %f %f ;" % (llx, lly, urx, ury)) + + +layer = "" +for line in sys.stdin: + if line.isspace(): + continue + rect_match = re.search(RECT_REGEX, line) + if rect_match: + llx, lly, urx, ury = ( + float(rect_match.group(1)), + float(rect_match.group(2)), + float(rect_match.group(3)), + float(rect_match.group(4)), + ) + if ( + (lly < LLY and ury < LLY) + or (lly > URY and ury > URY) + or (llx < LLX and urx < LLX) + or (llx > URX and urx > URX) + ): # outside the whole thing + rects = [(llx, lly, urx, ury)] + else: + rects = rectify(get_all_cut_rects((llx, lly, urx, ury))) + if len(rects) > 0: + print(layer) + if layer != "": # LAYER printed, clear it + layer = "" + print_rects(line[: line.find("R")], rects) + else: + if line.find("LAYER") != -1: # print it only if there're RECTs + layer = line + else: + print(line, end="")