also what exactly is $PDK in this command line ```$PDK ROOT open-source-silicon.dev #openlane

also what exactly is $PDK in this command line ``...

ibad1112

09/24/2020, 11:13 AM

also what exactly is $PDK in this command line

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$PDK_ROOT/$PDK/config.tcl

since my $pdk_root consists of three directories open_pdk, sky 130A and skywater-pdk

Amr Gouhar

09/24/2020, 1:14 PM

$PDK is sky130A