caravel/gds/drc_on_gds.tcl

# 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

gds read $::env(DESIGN_IN_DRC).gds
set fout [open ./tmp/$::env(DESIGN_IN_DRC).drc w]
set oscale [cif scale out]
set cell_name $::env(DESIGN_IN_DRC)
magic::suspendall
puts stdout "\[INFO\]: Loading $::env(DESIGN_IN_DRC)\n"
flush stdout
load $::env(DESIGN_IN_DRC)
select top cell
drc euclidean on
drc style drc(full)
drc check
set drcresult [drc listall why]
set count 0
puts $fout "$::env(DESIGN_IN_DRC)"
puts $fout "----------------------------------------"
foreach {errtype coordlist} $drcresult {
    puts $fout $errtype
    puts $fout "----------------------------------------"
    foreach coord $coordlist {
        set bllx [expr {$oscale * [lindex $coord 0]}]
        set blly [expr {$oscale * [lindex $coord 1]}]
        set burx [expr {$oscale * [lindex $coord 2]}]
        set bury [expr {$oscale * [lindex $coord 3]}]
        set coords [format " %.3f %.3f %.3f %.3f" $bllx $blly $burx $bury]
        puts $fout "$coords"
        set count [expr {$count + 1} ]
    }
    puts $fout "----------------------------------------"
}

puts $fout "\[INFO\]: COUNT: $count"
puts $fout "\[INFO\]: Should be divided by 3 or 4"

puts $fout ""
close $fout

puts stdout "\[INFO\]: COUNT: $count"
puts stdout "\[INFO\]: Should be divided by 3 or 4"
puts stdout "\[INFO\]: DRC Checking DONE (./tmp/$::env(DESIGN_IN_DRC).drc)"
flush stdout

puts stdout "\[INFO\]: Saving mag view with DRC errors(./tmp/$::env(DESIGN_IN_DRC).drc.mag)"
# WARNING: changes the name of the cell; keep as last step
save ./tmp/$::env(DESIGN_IN_DRC).drc.drc.mag
puts stdout "\[INFO\]: Saved"