Comments (11)
Ah thanks. I wrongly checkout the master of sky130_fd_sc_hd. Now it works.
Thank you again.
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@tgingold Can you share any of the errors (segfault and what came before it)? At what part of openroad does it break? Did you rebuild the pdk to use rc3?
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@tgingold: The relevant variables should be found under config.tcl
under the run directory if you'd like to source them and run the openroad binary under a debugger.
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That's during cts (for spm):
[INFO]: Running TritonCTS...
[ERROR]: during executing: "openroad -exit /openLANE_flow/scripts/openroad/or_cts.tcl"
[ERROR]: Last 10 lines:
Warning: Liberty cell sky130_fd_sc_hd__xor3_2 pin VPB missing from LEF macro
Warning: Liberty cell sky130_fd_sc_hd__xor3_4 pin VNB missing from LEF macro
Warning: Liberty cell sky130_fd_sc_hd__xor3_4 pin VPB missing from LEF macro
Notice 0:
Reading DEF file: /openLANE_flow/designs/spm/runs/29-09_18-06/results/placement/spm.placement.def
Notice 0: Design: spm
Notice 0: Created 36 pins.
Notice 0: Created 636 components and 3304 component-terminals.
Notice 0: Created 405 nets and 1120 connections.
Notice 0: Finished DEF file: /openLANE_flow/designs/spm/runs/29-09_18-06/results/placement/spm.placement.def
[ERROR]: Please check openroad log file
[ERROR]: Dumping to /openLANE_flow/designs/spm/runs/29-09_18-06/error.log
while executing
"try_catch openroad -exit $::env(SCRIPTS_DIR)/openroad/or_cts.tcl"
(procedure "run_cts" line 13)
invoked from within
"run_cts"
(procedure "run_non_interactive_mode" line 14)
invoked from within
"run_non_interactive_mode {*}$argv"
invoked from within
"if { [info exists flags_map(-interactive)] || [info exists flags_map(-it)] } {
puts_info "Running interactively"
if { [info exists arg_values(..."
(file "./flow.tcl" line 160)
And yes, I have updated the pdk too.
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Could you share the full run directory?
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Here is the zip.
from openlane.
I can see nwell
and pwell
layers in the LEF file, which indicates that something went wrong with the pdk generation. So, can you check the commit hashes for open_pdks and skywater-pdk as well as the magic version you have installed locally?
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$ magic --version
8.3.61
[skywater-pdk]$ git describe
v0.0.0-187-g5cd70ed
[open_pdks]$ git describe --long
1.0.40-0-g48db3e1
nwell
and pwell
are not present in libraries/sky130_fd_sc_hd/latest/tech/sky130_fd_sc_hd.tlef
. Is it expected ?
[latest]$ git describe
v0.0.2-32-g300eb6f
from openlane.
I will retry to generate the pdk.
from openlane.
No success.
Can you briefly explain how the nwell
and pwell
are expected to be handled by open_pdk ? Thanks!
from openlane.
@tgingold, I'm not sure if this is caused by open_pdks or the fact that the commit of the skywater-pdk that you have doesn't add up with the version of the sky130_fd_sc_hd/latest.
if you have v0.0.0-187-g5cd70ed
, then the commit hash of the sky130_fd_sc_hd should be 74c2ab
Did you try re-cloning the skywater-pdk from scratch?
Also, to answer your question, they are in the cells lef, not the tech lef (they shouldn't exist in both).
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