#2051 yosys/synth.tcl: migrate to newer supported drw & drf commands Pull request opened by dlmiles • Add tt05-i2c-bert (https://github.com/dlmiles/tt05-i2c-bert) to CI ~ Replace instances of ABC command

rewrite

with

drw -l

with

SYNTH_ABC_LEGACY_REWRITE

being set to

1

restoring the older functionality (

0

by default) ~ Replace instances of ABC command

refactor

with

drf -l

with

SYNTH_ABC_LEGACY_REFACTOR

being set to

1

restoring the older functionality (

0

by default) ~ Added

delete t:\$print

to

synth.tcl

to fix designs such as PPU with synthesized prints (as in efabless/openlane2#189) Original PR body follows: Re Yosys commands: rewrite & refactor These commands are considered obsolete and unmaintained by Yosys Replacement commands exist in the form of: drw & drf See also: YosysHQ/yosys#4039 #1523 * * * [ci ets] Resolves #2052 Depends on efabless/openlane-ci-designs#3 The-OpenROAD-Project/OpenLane GitHub Actions: Test Design ./designs/ci/y_huff (gf180mcuC/gf180mcu_fd_sc_mcu7t5v0) GitHub Actions: Test Design ./designs/ci/aes_core (sky130A/sky130_fd_sc_hd) GitHub Actions: Test Design ./designs/ci/salsa20 (sky130A/sky130_fd_sc_hd) ✅ 27 other checks have passed 27/30 successful checks