mirror of https://github.com/efabless/caravel.git
54 lines
1.9 KiB
Tcl
54 lines
1.9 KiB
Tcl
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# Copyright 2020 Efabless Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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foreach lib $::env(LIB_RESIZER_OPT) {
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read_liberty $lib
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}
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if { [info exists ::env(EXTRA_LIBS) ] } {
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foreach lib $::env(EXTRA_LIBS) {
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read_liberty $lib
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}
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}
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if {[catch {read_lef $::env(MERGED_LEF)} errmsg]} {
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puts stderr $errmsg
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exit 1
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}
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if {[catch {read_def $::env(CURRENT_DEF)} errmsg]} {
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puts stderr $errmsg
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exit 1
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}
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source $::env(SCRIPTS_DIR)/openroad/insert_buffer.tcl
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puts "inserting buffer on serial_clock_out"
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set serial_clock_out_instance [get_property [get_cells -of_objects serial_clock_out] name]
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insert_buffer ${serial_clock_out_instance}/X ITerm sky130_fd_sc_hd__clkbuf_16 serial_clock_out_buffered serial_clock_out_buffer
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puts "inserting buffer on serial_load_out"
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set serial_load_out_instance [get_property [get_cells -of_objects serial_load_out] name]
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insert_buffer ${serial_load_out_instance}/X ITerm sky130_fd_sc_hd__clkbuf_16 serial_load_out_buffered serial_load_out_buffer
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# .HI(one),
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# .LO(zero));
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puts "inserting buffer on one"
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set const_instance [get_property [get_cells -of_objects one] name]
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insert_buffer ${const_instance}/HI ITerm sky130_fd_sc_hd__buf_16 one_buffered one_buffer
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puts "inserting buffer on zero"
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set const_instance [get_property [get_cells -of_objects zero] name]
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insert_buffer ${const_instance}/LO ITerm sky130_fd_sc_hd__buf_16 zero_buffered zero_buffer
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write_def $::env(SAVE_DEF)
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