| # 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. |
| |
| foreach lib $::env(RCX_LIB) { |
| read_liberty $lib |
| } |
| |
| if { [info exists ::env(EXTRA_LIBS) ] } { |
| foreach lib $::env(EXTRA_LIBS) { |
| read_liberty $lib |
| } |
| } |
| |
| if {[catch {read_lef $::env(RCX_LEF)} errmsg]} { |
| puts stderr $errmsg |
| exit 1 |
| } |
| |
| if {[catch {read_def $::env(CURRENT_DEF)} errmsg]} { |
| puts stderr $errmsg |
| exit 1 |
| } |
| |
| read_sdc $::env(CURRENT_SDC) |
| set_propagated_clock [all_clocks] |
| |
| set rcx_flags "" |
| if { !$::env(RCX_MERGE_VIA_WIRE_RES) } { |
| set rcx_flags "-no_merge_via_res" |
| } |
| |
| # RCX |
| puts "Using RCX ruleset '$::env(RCX_RULESET)'..." |
| define_process_corner -ext_model_index 0 X |
| extract_parasitics $rcx_flags\ |
| -ext_model_file $::env(RCX_RULESET)\ |
| -lef_res |
| |
| puts "Writing result to $::env(SAVE_SPEF)..." |
| write_spef $::env(SAVE_SPEF) |
