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Do not write physical-only cells on the output verilog file in the final stage. #3480

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Merged
maliberty merged 3 commits into from
Sep 9, 2025
Merged

Do not write physical-only cells on the output verilog file in the final stage. #3480

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d3473b1
Do not write physical-only cells on the output verilog file in the fi…
jhkim-pii Sep 9, 2025
bca317a
Removed the redundant comment.
jhkim-pii Sep 9, 2025
8f9084a
Fixed tclint issues.
jhkim-pii Sep 9, 2025
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3 changes: 2 additions & 1 deletion flow/scripts/final_report.tcl
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,8 @@ source $::env(SCRIPTS_DIR)/deleteRoutingObstructions.tcl
deleteRoutingObstructions

write_def $::env(RESULTS_DIR)/6_final.def
write_verilog $::env(RESULTS_DIR)/6_final.v
write_verilog $::env(RESULTS_DIR)/6_final.v \
-remove_cells [find_physical_only_masters]

# Run extraction and STA
if {
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36 changes: 36 additions & 0 deletions flow/scripts/util.tcl
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Original file line number Diff line number Diff line change
Expand Up @@ -201,3 +201,39 @@ proc hier_options { } {
return ""
}
}

proc is_physical_only_master { master } {
set physical_only_type_patterns [list \
"COVER" \
"COVER_BUMP" \
"RING" \
"PAD_SPACER" \
"CORE_FEEDTHROUGH" \
"CORE_SPACER" \
"CORE_ANTENNACELL" \
"CORE_WELLTAP" \
"ENDCAP*"]
set master_type [$master getType]
foreach pattern $physical_only_type_patterns {
if { [string match $pattern $master_type] } {
return 1
}
}
return 0
}

# Finds all physical-only masters in the current database and
# returns their names.
proc find_physical_only_masters { } {
set db [::ord::get_db]
set libs [$db getLibs]
set physical_only_masters [list]
foreach lib $libs {
foreach master [$lib getMasters] {
if { [is_physical_only_master $master] } {
lappend physical_only_masters [$master getName]
}
}
}
return $physical_only_masters
}