| # Copyright 2020-2022 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. |
| # |
| foreach lib $::env(LIB_SYNTH_COMPLETE) { |
| read_liberty $lib |
| } |
| |
| if { [info exists ::env(EXTRA_LIBS) ] } { |
| foreach lib $::env(EXTRA_LIBS) { |
| read_liberty $lib |
| } |
| } |
| |
| if {[catch {read_lef $::env(MERGED_LEF)} errmsg]} { |
| puts stderr $errmsg |
| exit 1 |
| } |
| |
| if {[catch {read_def $::env(CURRENT_DEF)} errmsg]} { |
| puts stderr $errmsg |
| exit 1 |
| } |
| |
| # load the grid definitions |
| if {[catch {source $::env(PDN_CFG)} errmsg]} { |
| puts stderr $errmsg |
| exit 1 |
| } |
| |
| # run PDNGEN |
| if {[catch {pdngen} errmsg]} { |
| puts stderr $errmsg |
| exit 1 |
| } |
| |
| # checks for unconnected nodes (e.g., isolated rails or stripes) |
| if { $::env(FP_PDN_CHECK_NODES) } { |
| check_power_grid -net $::env(VDD_NET) |
| check_power_grid -net $::env(GND_NET) |
| } |
| |
| write_def $::env(SAVE_DEF) |
| exit 1 |
