Merge pull request #9147 from Pinata-Consulting/test-orfs-gcd-clock-period-example

test/orfs/gcd: command line adjustable clock period

Author: maliberty

test/orfs/gcd/BUILD

@@ -12,6 +12,9 @@ orfs_flow(
         "DIE_AREA": "0 0 16.2 16.2",
         "PLACE_DENSITY": "0.35",
         "OPENROAD_HIERARCHICAL": "1",
+        # Demonstrate clock period specified in arguments, useful
+        # for Optuna scripts.
+        "ABC_CLOCK_PERIOD_IN_PS": "310.001",
     },
     sources = {
         "RULES_JSON": [":rules-base.json"],

test/orfs/gcd/constraint.sdc

@@ -2,7 +2,7 @@ current_design gcd
 
 set clk_name core_clock
 set clk_port_name clk
-set clk_period 310
+set clk_period $::env(ABC_CLOCK_PERIOD_IN_PS)
 set clk_io_pct 0.2
 
 set clk_port [get_ports $clk_port_name]