Kareem Farid

Fix noisy warnings when reading multicorner libs for resizer

1

### Description A lot of warnings about missing tables are printed in OpenROAD steps the read multiple corners. ``` [WARNING STA-0122] /home/karim/.volare/volare/sky130/versions/bdc9412b3e468c102d01b7cf6337be06ec6e9c9a/sky130A/libs.ref/sky130_fd_sc_hd/lib/sky130_fd_sc_hd__ff_n40C_1v95.lib line 619, table template ccsn_ovrf not found. [WARNING...

Consistent variable naming

1

### Description We have some inconsistencies in variable naming. For example: `PDN_CONNECT_MACROS_TO_GRID` vs `FP_PDN_SKIPTRIM`. `EXTRA_LEFS` vs `EXTRA_GDS_FILES` ### Proposal Be consistent with variable naming.

Assert non-empty CLOCK_PORT exists

4

### Description Flow will continue normally. There will be warnings along the flow inside steps logs but I don't think that is sufficient. ### Proposal A CLOCK_PORT definition that doesn't...

Manually created at 29-Jan 2023, through inspecting openlane and openroad source code ``` report_floating_nets repair_timing -repair_tns The worst setup path is always repaired. Next, violating paths to endpoints are repaired...

Add APIs for LEF macro ANTENNADIFFAREA and ANTENNAGATEAREA

7

* Add dbTechAntennaPinModel.hasGateArea * Add dbMTerm.hasDiffArea --- The incentive behind this PR is to access the antenna information using python APIs. Currently, I was unable to call `getDiffArea` and `getGateArea`...

`make precheck` clone a dependency in `$HOME/precheck` which is inconsistent with the installation directory for the other dependencies.

`make run-precheck` is different from the flow used in the CI leading to confusion sometimes.

### Description It is part of the reference but it is not mentioned anywhere in the guides. ### Proposal I think it is best to add it to the guides...

Missing Resistance for vias in tech lef

14

## Expected Behavior No Via resistance in tech lef ## Actual Behavior Via resistance in tech lef ## Steps to Reproduce the Problem 1. 1. 1. ## Specifications - Version:...