librelane

# Copyright 2025 LibreLane Contributors
#
# 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.

#
# Write CDL netlist of the current design
#

# Load design database
source $::env(SCRIPTS_DIR)/openroad/common/io.tcl
read_current_odb

# Collect masters CDL
set masters {}

foreach cdl $::env(CELL_CDLS) {
    lappend masters $cdl
}

if { [info exist ::env(EXTRA_CDLS)] } {
    foreach cdl $::env(EXTRA_CDLS) {
        lappend masters $cdl
    }
}

if { [info exist ::env(PAD_CDLS)] } {
    foreach cdl $::env(PAD_CDLS) {
        lappend masters $cdl
    }
}

# Write only the CDL
write_cdl -include_fillers -masters "$masters" $::env(STEP_DIR)/$::env(DESIGN_NAME).cdl