Move Rectify To Caravel

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) \
+    -def_path $::env(CURRENT_DEF) \
-                 -gds_path $::env(magic_result_file_tag).gds \
+    -gds_path $::env(magic_result_file_tag).gds \
-                 -mag_path $::env(magic_result_file_tag).mag \
+    -mag_path $::env(magic_result_file_tag).mag \
-                 -save_path $save_path \
+    -save_path $save_path \
-                 -tag $::env(RUN_TAG)
+    -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 \
+exec python3 $script_dir/rectify.py $llx $lly $urx $ury \
-	< $::env(magic_result_file_tag).lef \
+    < $::env(magic_result_file_tag).lef \
-	| python3 $::env(OPENLANE_ROOT)/scripts/obs.py {*}$::env(DIE_AREA) li1 met1 met2 met3 \
+    | python3 $::env(OPENLANE_ROOT)/scripts/obs.py {*}$::env(DIE_AREA) li1 met1 met2 met3 \
-	| python3 $::env(OPENLANE_ROOT)/scripts/obs.py -42.88 -37.53 2962.50 3557.21 met4 met5 \
+    | python3 $::env(OPENLANE_ROOT)/scripts/obs.py -42.88 -37.53 2962.50 3557.21 met4 met5 \
-	> $::env(magic_result_file_tag).obstructed.lef
+    > $::env(magic_result_file_tag).obstructed.lef
 file copy -force $::env(magic_result_file_tag).obstructed.lef $save_path/lef

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="")