[skip ci] trying ENABLE_CUSTOM_FIRRTL_PASS=1 for Yosys, clarify init script for private tech plugins

2023-02-03 18:00:29 -08:00
parent 223995fb4e
commit 2680f552cf
6 changed files with 41 additions and 11 deletions
--- a/vlsi/tutorial.mk
+++ b/vlsi/tutorial.mk
@@ -33,4 +33,6 @@ ifeq ($(tutorial),sky130-openroad)
    EXTRA_CONFS       ?= $(if $(filter $(VLSI_TOP),Rocket), example-designs/sky130-rocket.yml, )
    INPUT_CONFS       ?= $(TOOLS_CONF) $(TECH_CONF) $(DESIGN_CONF) $(EXTRA_CONFS)
    VLSI_OBJ_DIR      ?= build-sky130-openroad
+    # This prevents multidimensional arrays (unsupported by Yosys) at the expense of elaboration time.
+    ENABLE_CUSTOM_FIRRTL_PASS = 1
 endif