diff --git a/common.mk b/common.mk
index c62743e0..d0526444 100644
--- a/common.mk
+++ b/common.mk
@@ -18,6 +18,7 @@ HELP_COMPILATION_VARIABLES += \
 "   EXTRA_SIM_REQS            = additional make requirements to build the simulator" \
 "   ENABLE_SBT_THIN_CLIENT    = if set, use sbt's experimental thin client (works best when overridding SBT_BIN with the mainline sbt script)" \
 "   ENABLE_CUSTOM_FIRRTL_PASS = if set, enable custom firrtl passes (SFC lowers to LowFIRRTL & MFC converts to Verilog)" \
+"   ENABLE_YOSYS_FLOW         = if set, add compilation flags to enable the vlsi flow for yosys(tutorial flow) \
 "   EXTRA_CHISEL_OPTIONS      = additional options to pass to the Chisel compiler" \
 "   EXTRA_FIRRTL_OPTIONS      = additional options to pass to the FIRRTL compiler"
 
@@ -26,6 +27,7 @@ EXTRA_SIM_CXXFLAGS   ?=
 EXTRA_SIM_LDFLAGS    ?=
 EXTRA_SIM_SOURCES    ?=
 EXTRA_SIM_REQS       ?=
+ENABLE_CUSTOM_FIRRTL_PASS += $(ENABLE_YOSYS_FLOW)
 
 #----------------------------------------------------------------------------
 HELP_SIMULATION_VARIABLES += \
@@ -159,6 +161,7 @@ SFC_MFC_TARGETS = \
 	$(GEN_COLLATERAL_DIR)
 
 SFC_REPL_SEQ_MEM = --infer-rw --repl-seq-mem -c:$(MODEL):-o:$(SFC_SMEMS_CONF)
+MFC_BASE_LOWERING_OPTIONS = emittedLineLength=2048,noAlwaysComb,disallowLocalVariables,verifLabels,locationInfoStyle=wrapInAtSquareBracket
 
 # DOC include start: FirrtlCompiler
 # There are two possible cases for this step. In the first case, SFC
@@ -171,13 +174,18 @@ SFC_REPL_SEQ_MEM = --infer-rw --repl-seq-mem -c:$(MODEL):-o:$(SFC_SMEMS_CONF)
 # hack: lower to low firrtl if Fixed types are found
 # hack: when using dontTouch, io.cpu annotations are not removed by SFC,
 # hence we remove them manually by using jq before passing them to firtool
-$(SFC_LEVEL) $(EXTRA_FIRRTL_OPTIONS) $(FINAL_ANNO_FILE) &: $(FIRRTL_FILE) $(EXTRA_ANNO_FILE) $(SFC_EXTRA_ANNO_FILE)
+$(SFC_LEVEL) $(EXTRA_FIRRTL_OPTIONS) $(FINAL_ANNO_FILE) $(MFC_LOWERING_OPTIONS) &: $(FIRRTL_FILE) $(EXTRA_ANNO_FILE) $(SFC_EXTRA_ANNO_FILE)
 ifeq (,$(ENABLE_CUSTOM_FIRRTL_PASS))
 	$(eval SFC_LEVEL := $(if $(shell grep "Fixed<" $(FIRRTL_FILE)), low, none))
 	$(eval EXTRA_FIRRTL_OPTIONS += $(if $(shell grep "Fixed<" $(FIRRTL_FILE)), $(SFC_REPL_SEQ_MEM),))
 else
 	$(eval SFC_LEVEL := low)
 	$(eval EXTRA_FIRRTL_OPTIONS += $(SFC_REPL_SEQ_MEM))
+endif
+ifeq (,$(ENABLE_YOSYS_FLOW))
+	$(eval MFC_LOWERING_OPTIONS = $(MFC_BASE_LOWERING_OPTIONS))
+else
+	$(eval MFC_LOWERING_OPTIONS = $(MFC_BASE_LOWERING_OPTIONS),disallowPackedArrays)
 endif
 	if [ $(SFC_LEVEL) = low ]; then jq -s '[.[][]]' $(EXTRA_ANNO_FILE) $(SFC_EXTRA_ANNO_FILE) > $(FINAL_ANNO_FILE); fi
 	if [ $(SFC_LEVEL) = none ]; then cat $(EXTRA_ANNO_FILE) > $(FINAL_ANNO_FILE); fi
@@ -210,7 +218,7 @@ $(SFC_MFC_TARGETS) &: $(FIRRTL_FILE) $(FINAL_ANNO_FILE) $(VLOG_SOURCES) $(SFC_LE
 		--disable-annotation-classless \
 		--disable-annotation-unknown \
 		--mlir-timing \
-		--lowering-options=emittedLineLength=2048,noAlwaysComb,disallowLocalVariables,verifLabels,locationInfoStyle=wrapInAtSquareBracket \
+		--lowering-options=$(MFC_LOWERING_OPTIONS) \
 		--repl-seq-mem \
 		--repl-seq-mem-file=$(MFC_SMEMS_CONF) \
 		--repl-seq-mem-circuit=$(MODEL) \
diff --git a/vlsi/tutorial.mk b/vlsi/tutorial.mk
index 9b69b149..b3d88741 100644
--- a/vlsi/tutorial.mk
+++ b/vlsi/tutorial.mk
@@ -1,7 +1,10 @@
 #########################################################################################
 # makefile variables for Hammer tutorials
 #########################################################################################
-tutorial ?= none
+# tutorial ?= none
+tutorial ?= sky130-openroad
+
+extra ?=
 
 # TODO: eventually have asap7 commercial/openroad tutorial flavors
 ifeq ($(tutorial),asap7)
@@ -34,5 +37,7 @@ ifeq ($(tutorial),sky130-openroad)
     INPUT_CONFS       ?= $(TOOLS_CONF) $(TECH_CONF) $(DESIGN_CONF) $(EXTRA_CONFS)
     VLSI_OBJ_DIR      ?= build-sky130-openroad
     # Yosys compatibility for CIRCT-generated Verilog, at the expense of elaboration time.
-    ENABLE_CUSTOM_FIRRTL_PASS = 1
+    ENABLE_YOSYS_FLOW  = 1
 endif
+
+HAMMER_EXTRA_ARGS      ?= -p $(TOOLS_CONF) -p $(TECH_CONF) -p $(DESIGN_CONF) $(extra)