| # 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 |
| |
| package require openlane |
| set script_dir [file dirname [file normalize [info script]]] |
| |
| prep -design $script_dir -tag user_project_wrapper_empty -overwrite |
| set save_path $script_dir/../.. |
| |
| verilog_elaborate |
| |
| init_floorplan |
| |
| place_io_ol |
| |
| add_macro_obs \ |
| -defFile $::env(CURRENT_DEF) \ |
| -lefFile $::env(MERGED_LEF_UNPADDED) \ |
| -obstruction core_obs \ |
| -placementX $::env(FP_IO_HLENGTH) \ |
| -placementY $::env(FP_IO_VLENGTH) \ |
| -sizeWidth [expr [lindex $::env(DIE_AREA) 2]-$::env(FP_IO_HLENGTH)*2] \ |
| -sizeHeight [expr [lindex $::env(DIE_AREA) 3]-$::env(FP_IO_VLENGTH)*2] \ |
| -fixed 1 \ |
| -layerNames "met1 met2 met3 met4 met5" |
| |
| exec -ignorestderr openroad -exit $script_dir/gen_pdn.tcl |
| |
| set_def $::env(pdn_tmp_file_tag).def |
| |
| # making it "empty" |
| remove_nets -input $::env(CURRENT_DEF) |
| remove_components -input $::env(CURRENT_DEF) |
| |
| run_magic |
| |
| 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) |
| |
| # produce "obstructed" LEF to be used for routing |
| set gap 0.4 |
| 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) \ |
| > $::env(magic_result_file_tag).obstructed.lef |
| file copy -force $::env(magic_result_file_tag).obstructed.lef $save_path/lef |