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cleanup on floorplan_to_place #3734

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Merged
eder-matheus merged 5 commits into from
Dec 24, 2025
Merged

cleanup on floorplan_to_place #3734

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4d28625
remove extra call for setRC.tcl
eder-matheus Dec 24, 2025
33e151a
avoid loading odb if design is already loaded
eder-matheus Dec 24, 2025
56420c0
add env var to prevent erasing non-stage variables
eder-matheus Dec 24, 2025
547e8c8
simplify floorplan_to_place.tcl script
eder-matheus Dec 24, 2025
e8224e6
update FlowVariables.md
eder-matheus Dec 24, 2025
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2 changes: 2 additions & 0 deletions docs/user/FlowVariables.md
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Expand Up @@ -157,6 +157,7 @@ configuration file.
| <a name="IO_PLACER_H"></a>IO_PLACER_H| A list of metal layers on which the I/O pins are placed horizontally (top and bottom of the die).| |
| <a name="IO_PLACER_V"></a>IO_PLACER_V| A list of metal layers on which the I/O pins are placed vertically (sides of the die).| |
| <a name="IR_DROP_LAYER"></a>IR_DROP_LAYER| Default metal layer to report IR drop.| |
| <a name="KEEP_VARS"></a>KEEP_VARS| Feature toggle to keep intermediate variables during the flow. This is useful for the single-run flow, where all stages of the flow are run in a single OpenROAD instance.| |
| <a name="KLAYOUT_TECH_FILE"></a>KLAYOUT_TECH_FILE| A mapping from LEF/DEF to GDS using the KLayout tool.| |
| <a name="LATCH_MAP_FILE"></a>LATCH_MAP_FILE| Optional mapping file supplied to Yosys to map latches| |
| <a name="LAYER_PARASITICS_FILE"></a>LAYER_PARASITICS_FILE| Path to per layer parasitics file. Defaults to $(PLATFORM_DIR)/setRC.tcl.| |
Expand Down Expand Up @@ -482,6 +483,7 @@ configuration file.

## All stages variables

- [KEEP_VARS](#KEEP_VARS)
- [NUM_CORES](#NUM_CORES)
- [OPENROAD_HIERARCHICAL](#OPENROAD_HIERARCHICAL)
- [SWAP_ARITH_OPERATORS](#SWAP_ARITH_OPERATORS)
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