Kareem Farid

Results 196 comments of Kareem Farid

Meta: Top 3 Pain Points of the Toolchain

I am not sure what is the state of any of these today but mainly my struggles are: - automatic macro placement - signal routing with multiple macros - (multiple...

Yosys: unmapped primitive in synthesis for module $_ALDFF_PP_

There is no technology mapping for `$_ALDFF_PP_`. You should be able to provide the techmap using `SYNTH_EXTRA_MAPPING_FILE` similar to https://github.com/efabless/caravel/blob/main/openlane/gpio_control_block/yosys_mapping.v

mpw-5c are very noisy for output logs

I believe that's not an openlane issue. It's rather openlane _usage_ issue. Openlane has `-disable_output` in which it only prints the contents of `openlane.log`. Also for mpw-5c, there is a...

Is there a developer-recommended way of turning off all hold timing fixes?

Variables are renamed in OpenLane 2

Thin areas of sky130 met1 rails have no tap cells

I don't see a problem here too with regards to the original issue. > > There is no problem here. You have set the decap as your endcap and they...

spm design fails during Synthesis ABC mapping with set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_hvl"

This is no longer the case using OpenLane `7e5a2e9fb274c0a100b4859a927adce7089455ff`. Please open a new issue if you run into other problems with `sky130_fd_sc_hvl`

sky130hs fails on diode error

For some reason this no longer happens. Double checking if I missed something.

sky130hs fails on diode error

This is probably handled at OpenROAD's end since the mentioned issue in this thread was not fixed. Closing this if similar issues appear please open a new issue.

OpenSTA hang with tristate

This is working now with latest OpenLane. Please reopen if there is still and issue.

CVC step fails if MAGIC_EXT_USE_GDS=1

The flow no longer supports CVC