diff --git a/tb/arp/Makefile b/tb/arp/Makefile
index 009b3a5b1..e0e93714b 100644
--- a/tb/arp/Makefile
+++ b/tb/arp/Makefile
@@ -47,13 +47,7 @@ export PARAM_REQUEST_TIMEOUT ?= 800
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CACHE_ADDR_WIDTH=$(PARAM_CACHE_ADDR_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).REQUEST_RETRY_COUNT=$(PARAM_REQUEST_RETRY_COUNT)
-	COMPILE_ARGS += -P $(TOPLEVEL).REQUEST_RETRY_INTERVAL=$(PARAM_REQUEST_RETRY_INTERVAL)
-	COMPILE_ARGS += -P $(TOPLEVEL).REQUEST_TIMEOUT=$(PARAM_REQUEST_TIMEOUT)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -62,13 +56,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GCACHE_ADDR_WIDTH=$(PARAM_CACHE_ADDR_WIDTH)
-	COMPILE_ARGS += -GREQUEST_RETRY_COUNT=$(PARAM_REQUEST_RETRY_COUNT)
-	COMPILE_ARGS += -GREQUEST_RETRY_INTERVAL=$(PARAM_REQUEST_RETRY_INTERVAL)
-	COMPILE_ARGS += -GREQUEST_TIMEOUT=$(PARAM_REQUEST_TIMEOUT)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/arp_cache/Makefile b/tb/arp_cache/Makefile
index bbeaa754a..ccb5334b3 100644
--- a/tb/arp_cache/Makefile
+++ b/tb/arp_cache/Makefile
@@ -38,7 +38,7 @@ export PARAM_CACHE_ADDR_WIDTH ?= 2
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).CACHE_ADDR_WIDTH=$(PARAM_CACHE_ADDR_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -47,7 +47,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GCACHE_ADDR_WIDTH=$(PARAM_CACHE_ADDR_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/arp_eth_rx/Makefile b/tb/arp_eth_rx/Makefile
index 876b4d15c..f8fe08abd 100644
--- a/tb/arp_eth_rx/Makefile
+++ b/tb/arp_eth_rx/Makefile
@@ -39,9 +39,7 @@ export PARAM_KEEP_WIDTH ?= $(shell expr $(PARAM_DATA_WIDTH) / 8 )
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -50,9 +48,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/arp_eth_tx/Makefile b/tb/arp_eth_tx/Makefile
index ab9a33b24..fb605e5d6 100644
--- a/tb/arp_eth_tx/Makefile
+++ b/tb/arp_eth_tx/Makefile
@@ -39,9 +39,7 @@ export PARAM_KEEP_WIDTH ?= $(shell expr $(PARAM_DATA_WIDTH) / 8 )
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -50,9 +48,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_baser_rx_64/Makefile b/tb/axis_baser_rx_64/Makefile
index 5df88fe8f..654a8683e 100644
--- a/tb/axis_baser_rx_64/Makefile
+++ b/tb/axis_baser_rx_64/Makefile
@@ -43,12 +43,7 @@ export PARAM_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_PTP_TS_ENABLE)),1,$(shell
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).HDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -57,12 +52,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GHDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_baser_tx_64/Makefile b/tb/axis_baser_tx_64/Makefile
index e2ce3228a..76dece3f2 100644
--- a/tb/axis_baser_tx_64/Makefile
+++ b/tb/axis_baser_tx_64/Makefile
@@ -48,17 +48,7 @@ export PARAM_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_PTP_TS_ENABLE)),1,$(shell
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).HDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -67,17 +57,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GHDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GPTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GPTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_gmii_rx/Makefile b/tb/axis_gmii_rx/Makefile
index 0b1bd171c..2a87edb7f 100644
--- a/tb/axis_gmii_rx/Makefile
+++ b/tb/axis_gmii_rx/Makefile
@@ -42,10 +42,7 @@ export PARAM_USER_WIDTH ?= 1
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -54,10 +51,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_gmii_tx/Makefile b/tb/axis_gmii_tx/Makefile
index 29c2209fe..f97bec4ab 100644
--- a/tb/axis_gmii_tx/Makefile
+++ b/tb/axis_gmii_tx/Makefile
@@ -46,14 +46,7 @@ export PARAM_USER_WIDTH ?= 1
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -62,14 +55,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GPTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GPTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_xgmii_rx_32/Makefile b/tb/axis_xgmii_rx_32/Makefile
index 54735d907..1e978b020 100644
--- a/tb/axis_xgmii_rx_32/Makefile
+++ b/tb/axis_xgmii_rx_32/Makefile
@@ -43,12 +43,7 @@ export PARAM_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_PTP_TS_ENABLE)),1,$(shell
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -57,12 +52,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_xgmii_rx_64/Makefile b/tb/axis_xgmii_rx_64/Makefile
index 3c2ce8680..8f0d9b226 100644
--- a/tb/axis_xgmii_rx_64/Makefile
+++ b/tb/axis_xgmii_rx_64/Makefile
@@ -43,12 +43,7 @@ export PARAM_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_PTP_TS_ENABLE)),1,$(shell
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -57,12 +52,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_xgmii_tx_32/Makefile b/tb/axis_xgmii_tx_32/Makefile
index dc2bb353f..3e0a0c89a 100644
--- a/tb/axis_xgmii_tx_32/Makefile
+++ b/tb/axis_xgmii_tx_32/Makefile
@@ -48,17 +48,7 @@ export PARAM_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_PTP_TS_ENABLE)),1,$(shell
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -67,17 +57,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GPTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GPTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/axis_xgmii_tx_64/Makefile b/tb/axis_xgmii_tx_64/Makefile
index 3973927ed..86797aeab 100644
--- a/tb/axis_xgmii_tx_64/Makefile
+++ b/tb/axis_xgmii_tx_64/Makefile
@@ -48,17 +48,7 @@ export PARAM_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_PTP_TS_ENABLE)),1,$(shell
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -67,17 +57,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GPTP_TS_ENABLE=$(PARAM_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GPTP_TAG_ENABLE=$(PARAM_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GPTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GUSER_WIDTH=$(PARAM_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_axis_rx/Makefile b/tb/eth_axis_rx/Makefile
index 81ca7d90e..e13de5252 100644
--- a/tb/eth_axis_rx/Makefile
+++ b/tb/eth_axis_rx/Makefile
@@ -39,9 +39,7 @@ export PARAM_KEEP_WIDTH ?= $(shell expr $(PARAM_DATA_WIDTH) / 8 )
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -50,9 +48,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_axis_tx/Makefile b/tb/eth_axis_tx/Makefile
index c77d90dee..e290f7f9c 100644
--- a/tb/eth_axis_tx/Makefile
+++ b/tb/eth_axis_tx/Makefile
@@ -39,9 +39,7 @@ export PARAM_KEEP_WIDTH ?= $(shell expr $(PARAM_DATA_WIDTH) / 8 )
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -50,9 +48,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_ENABLE=$(PARAM_KEEP_ENABLE)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_10g/Makefile b/tb/eth_mac_10g/Makefile
index 05dc044e1..a09e617c8 100644
--- a/tb/eth_mac_10g/Makefile
+++ b/tb/eth_mac_10g/Makefile
@@ -57,22 +57,7 @@ export PARAM_RX_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_RX_PTP_TS_ENABLE)),1,$
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_WIDTH=$(PARAM_TX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_WIDTH=$(PARAM_TX_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_WIDTH=$(PARAM_RX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -81,22 +66,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GPTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -GPTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -GTX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TS_WIDTH=$(PARAM_TX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TAG_WIDTH=$(PARAM_TX_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GRX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GRX_PTP_TS_WIDTH=$(PARAM_RX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -GRX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_10g_fifo/Makefile b/tb/eth_mac_10g_fifo/Makefile
index 493f8c194..18680e338 100644
--- a/tb/eth_mac_10g_fifo/Makefile
+++ b/tb/eth_mac_10g_fifo/Makefile
@@ -77,37 +77,7 @@ export PARAM_RX_USER_WIDTH ?= $(if $(filter-out 1,$(PARAM_RX_PTP_TS_ENABLE)),1,$
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_RAM_PIPELINE=$(PARAM_TX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_RAM_PIPELINE=$(PARAM_RX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_USE_SAMPLE_CLOCK=$(PARAM_PTP_USE_SAMPLE_CLOCK)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_FIFO_DEPTH=$(PARAM_TX_PTP_TS_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -116,37 +86,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GAXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -GAXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -GAXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GTX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -GTX_FIFO_RAM_PIPELINE=$(PARAM_TX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -GTX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -GTX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GTX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GTX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GRX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -GRX_FIFO_RAM_PIPELINE=$(PARAM_RX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -GRX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -GRX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GRX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GRX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GPTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -GPTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -GPTP_USE_SAMPLE_CLOCK=$(PARAM_PTP_USE_SAMPLE_CLOCK)
-	COMPILE_ARGS += -GTX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GRX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TS_FIFO_DEPTH=$(PARAM_TX_PTP_TS_FIFO_DEPTH)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GPTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GTX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -GRX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_1g/Makefile b/tb/eth_mac_1g/Makefile
index 4bc6be7eb..5d88a876b 100644
--- a/tb/eth_mac_1g/Makefile
+++ b/tb/eth_mac_1g/Makefile
@@ -52,17 +52,7 @@ export PARAM_RX_USER_WIDTH ?= 1
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_WIDTH=$(PARAM_TX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_WIDTH=$(PARAM_TX_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_WIDTH=$(PARAM_RX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -71,17 +61,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GTX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TS_WIDTH=$(PARAM_TX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TAG_WIDTH=$(PARAM_TX_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GRX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GRX_PTP_TS_WIDTH=$(PARAM_RX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -GRX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_1g_fifo/Makefile b/tb/eth_mac_1g_fifo/Makefile
index c83b4f9e3..c84ed34ec 100644
--- a/tb/eth_mac_1g_fifo/Makefile
+++ b/tb/eth_mac_1g_fifo/Makefile
@@ -58,21 +58,7 @@ export PARAM_RX_DROP_WHEN_FULL ?= $(PARAM_RX_DROP_OVERSIZE_FRAME)
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -81,21 +67,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GAXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -GAXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -GAXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GTX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -GTX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -GTX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GTX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GTX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GRX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -GRX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -GRX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GRX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GRX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_1g_gmii/Makefile b/tb/eth_mac_1g_gmii/Makefile
index fed90e2ac..b8cbfe8e6 100644
--- a/tb/eth_mac_1g_gmii/Makefile
+++ b/tb/eth_mac_1g_gmii/Makefile
@@ -46,8 +46,7 @@ export PARAM_MIN_FRAME_LENGTH ?= 64
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -56,8 +55,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_1g_gmii_fifo/Makefile b/tb/eth_mac_1g_gmii_fifo/Makefile
index 1ce8e15e3..2494ee7c3 100644
--- a/tb/eth_mac_1g_gmii_fifo/Makefile
+++ b/tb/eth_mac_1g_gmii_fifo/Makefile
@@ -63,21 +63,7 @@ export PARAM_RX_DROP_WHEN_FULL ?= $(PARAM_RX_DROP_OVERSIZE_FRAME)
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -86,21 +72,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GAXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -GAXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -GAXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GTX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -GTX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -GTX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GTX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GTX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GRX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -GRX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -GRX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GRX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GRX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_1g_rgmii/Makefile b/tb/eth_mac_1g_rgmii/Makefile
index 05de52f63..5fc298f0d 100644
--- a/tb/eth_mac_1g_rgmii/Makefile
+++ b/tb/eth_mac_1g_rgmii/Makefile
@@ -46,8 +46,7 @@ export PARAM_MIN_FRAME_LENGTH ?= 64
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -56,8 +55,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_1g_rgmii_fifo/Makefile b/tb/eth_mac_1g_rgmii_fifo/Makefile
index f3fcf8f7e..7c63de480 100644
--- a/tb/eth_mac_1g_rgmii_fifo/Makefile
+++ b/tb/eth_mac_1g_rgmii_fifo/Makefile
@@ -63,21 +63,7 @@ export PARAM_RX_DROP_WHEN_FULL ?= $(PARAM_RX_DROP_OVERSIZE_FRAME)
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -86,21 +72,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GAXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -GAXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -GAXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GTX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -GTX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -GTX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GTX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GTX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GRX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -GRX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -GRX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GRX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GRX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_mii/Makefile b/tb/eth_mac_mii/Makefile
index 51720f230..d24b60470 100644
--- a/tb/eth_mac_mii/Makefile
+++ b/tb/eth_mac_mii/Makefile
@@ -44,8 +44,7 @@ export PARAM_MIN_FRAME_LENGTH ?= 64
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -54,8 +53,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_mii_fifo/Makefile b/tb/eth_mac_mii_fifo/Makefile
index 8c7619ad7..8f54d6512 100644
--- a/tb/eth_mac_mii_fifo/Makefile
+++ b/tb/eth_mac_mii_fifo/Makefile
@@ -61,21 +61,7 @@ export PARAM_RX_DROP_WHEN_FULL ?= $(PARAM_RX_DROP_OVERSIZE_FRAME)
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -84,21 +70,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GAXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -GAXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -GAXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GTX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -GTX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -GTX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GTX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GTX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GRX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -GRX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -GRX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GRX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GRX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_phy_10g/Makefile b/tb/eth_mac_phy_10g/Makefile
index 4d263e960..161b0f7de 100644
--- a/tb/eth_mac_phy_10g/Makefile
+++ b/tb/eth_mac_phy_10g/Makefile
@@ -70,30 +70,7 @@ export PARAM_COUNT_125US ?= 195
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).KEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).HDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_WIDTH=$(PARAM_TX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_WIDTH=$(PARAM_TX_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_WIDTH=$(PARAM_RX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).BIT_REVERSE=$(PARAM_BIT_REVERSE)
-	COMPILE_ARGS += -P $(TOPLEVEL).SCRAMBLER_DISABLE=$(PARAM_SCRAMBLER_DISABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PRBS31_ENABLE=$(PARAM_PRBS31_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_SERDES_PIPELINE=$(PARAM_TX_SERDES_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_SERDES_PIPELINE=$(PARAM_RX_SERDES_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).BITSLIP_HIGH_CYCLES=$(PARAM_BITSLIP_HIGH_CYCLES)
-	COMPILE_ARGS += -P $(TOPLEVEL).BITSLIP_LOW_CYCLES=$(PARAM_BITSLIP_LOW_CYCLES)
-	COMPILE_ARGS += -P $(TOPLEVEL).COUNT_125US=$(PARAM_COUNT_125US)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -102,30 +79,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GKEEP_WIDTH=$(PARAM_KEEP_WIDTH)
-	COMPILE_ARGS += -GHDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GPTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -GPTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -GTX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TS_WIDTH=$(PARAM_TX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TAG_WIDTH=$(PARAM_TX_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GRX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GRX_PTP_TS_WIDTH=$(PARAM_RX_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -GRX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
-	COMPILE_ARGS += -GBIT_REVERSE=$(PARAM_BIT_REVERSE)
-	COMPILE_ARGS += -GSCRAMBLER_DISABLE=$(PARAM_SCRAMBLER_DISABLE)
-	COMPILE_ARGS += -GPRBS31_ENABLE=$(PARAM_PRBS31_ENABLE)
-	COMPILE_ARGS += -GTX_SERDES_PIPELINE=$(PARAM_TX_SERDES_PIPELINE)
-	COMPILE_ARGS += -GRX_SERDES_PIPELINE=$(PARAM_RX_SERDES_PIPELINE)
-	COMPILE_ARGS += -GBITSLIP_HIGH_CYCLES=$(PARAM_BITSLIP_HIGH_CYCLES)
-	COMPILE_ARGS += -GBITSLIP_LOW_CYCLES=$(PARAM_BITSLIP_LOW_CYCLES)
-	COMPILE_ARGS += -GCOUNT_125US=$(PARAM_COUNT_125US)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_mac_phy_10g_fifo/Makefile b/tb/eth_mac_phy_10g_fifo/Makefile
index c99e99b62..9da48b437 100644
--- a/tb/eth_mac_phy_10g_fifo/Makefile
+++ b/tb/eth_mac_phy_10g_fifo/Makefile
@@ -90,45 +90,7 @@ export PARAM_COUNT_125US ?= 195
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).HDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).AXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -P $(TOPLEVEL).ENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -P $(TOPLEVEL).MIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FIFO_RAM_PIPELINE=$(PARAM_TX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FIFO_RAM_PIPELINE=$(PARAM_RX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_USE_SAMPLE_CLOCK=$(PARAM_PTP_USE_SAMPLE_CLOCK)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TS_FIFO_DEPTH=$(PARAM_TX_PTP_TS_FIFO_DEPTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).BIT_REVERSE=$(PARAM_BIT_REVERSE)
-	COMPILE_ARGS += -P $(TOPLEVEL).SCRAMBLER_DISABLE=$(PARAM_SCRAMBLER_DISABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PRBS31_ENABLE=$(PARAM_PRBS31_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_SERDES_PIPELINE=$(PARAM_TX_SERDES_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_SERDES_PIPELINE=$(PARAM_RX_SERDES_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).BITSLIP_HIGH_CYCLES=$(PARAM_BITSLIP_HIGH_CYCLES)
-	COMPILE_ARGS += -P $(TOPLEVEL).BITSLIP_LOW_CYCLES=$(PARAM_BITSLIP_LOW_CYCLES)
-	COMPILE_ARGS += -P $(TOPLEVEL).COUNT_125US=$(PARAM_COUNT_125US)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -137,45 +99,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GHDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -GAXIS_DATA_WIDTH=$(PARAM_AXIS_DATA_WIDTH)
-	COMPILE_ARGS += -GAXIS_KEEP_ENABLE=$(PARAM_AXIS_KEEP_ENABLE)
-	COMPILE_ARGS += -GAXIS_KEEP_WIDTH=$(PARAM_AXIS_KEEP_WIDTH)
-	COMPILE_ARGS += -GENABLE_PADDING=$(PARAM_ENABLE_PADDING)
-	COMPILE_ARGS += -GENABLE_DIC=$(PARAM_ENABLE_DIC)
-	COMPILE_ARGS += -GMIN_FRAME_LENGTH=$(PARAM_MIN_FRAME_LENGTH)
-	COMPILE_ARGS += -GTX_FIFO_DEPTH=$(PARAM_TX_FIFO_DEPTH)
-	COMPILE_ARGS += -GTX_FIFO_RAM_PIPELINE=$(PARAM_TX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -GTX_FRAME_FIFO=$(PARAM_TX_FRAME_FIFO)
-	COMPILE_ARGS += -GTX_DROP_OVERSIZE_FRAME=$(PARAM_TX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GTX_DROP_BAD_FRAME=$(PARAM_TX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GTX_DROP_WHEN_FULL=$(PARAM_TX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GRX_FIFO_DEPTH=$(PARAM_RX_FIFO_DEPTH)
-	COMPILE_ARGS += -GRX_FIFO_RAM_PIPELINE=$(PARAM_RX_FIFO_RAM_PIPELINE)
-	COMPILE_ARGS += -GRX_FRAME_FIFO=$(PARAM_RX_FRAME_FIFO)
-	COMPILE_ARGS += -GRX_DROP_OVERSIZE_FRAME=$(PARAM_RX_DROP_OVERSIZE_FRAME)
-	COMPILE_ARGS += -GRX_DROP_BAD_FRAME=$(PARAM_RX_DROP_BAD_FRAME)
-	COMPILE_ARGS += -GRX_DROP_WHEN_FULL=$(PARAM_RX_DROP_WHEN_FULL)
-	COMPILE_ARGS += -GPTP_PERIOD_NS=$(PARAM_PTP_PERIOD_NS)
-	COMPILE_ARGS += -GPTP_PERIOD_FNS=$(PARAM_PTP_PERIOD_FNS)
-	COMPILE_ARGS += -GPTP_USE_SAMPLE_CLOCK=$(PARAM_PTP_USE_SAMPLE_CLOCK)
-	COMPILE_ARGS += -GTX_PTP_TS_ENABLE=$(PARAM_TX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GRX_PTP_TS_ENABLE=$(PARAM_RX_PTP_TS_ENABLE)
-	COMPILE_ARGS += -GTX_PTP_TS_FIFO_DEPTH=$(PARAM_TX_PTP_TS_FIFO_DEPTH)
-	COMPILE_ARGS += -GPTP_TS_WIDTH=$(PARAM_PTP_TS_WIDTH)
-	COMPILE_ARGS += -GTX_PTP_TAG_ENABLE=$(PARAM_TX_PTP_TAG_ENABLE)
-	COMPILE_ARGS += -GPTP_TAG_WIDTH=$(PARAM_PTP_TAG_WIDTH)
-	COMPILE_ARGS += -GTX_USER_WIDTH=$(PARAM_TX_USER_WIDTH)
-	COMPILE_ARGS += -GRX_USER_WIDTH=$(PARAM_RX_USER_WIDTH)
-	COMPILE_ARGS += -GBIT_REVERSE=$(PARAM_BIT_REVERSE)
-	COMPILE_ARGS += -GSCRAMBLER_DISABLE=$(PARAM_SCRAMBLER_DISABLE)
-	COMPILE_ARGS += -GPRBS31_ENABLE=$(PARAM_PRBS31_ENABLE)
-	COMPILE_ARGS += -GTX_SERDES_PIPELINE=$(PARAM_TX_SERDES_PIPELINE)
-	COMPILE_ARGS += -GRX_SERDES_PIPELINE=$(PARAM_RX_SERDES_PIPELINE)
-	COMPILE_ARGS += -GBITSLIP_HIGH_CYCLES=$(PARAM_BITSLIP_HIGH_CYCLES)
-	COMPILE_ARGS += -GBITSLIP_LOW_CYCLES=$(PARAM_BITSLIP_LOW_CYCLES)
-	COMPILE_ARGS += -GCOUNT_125US=$(PARAM_COUNT_125US)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/eth_phy_10g/Makefile b/tb/eth_phy_10g/Makefile
index 18fc426bb..3ef854740 100644
--- a/tb/eth_phy_10g/Makefile
+++ b/tb/eth_phy_10g/Makefile
@@ -58,17 +58,7 @@ export PARAM_COUNT_125US ?= 195
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).HDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).BIT_REVERSE=$(PARAM_BIT_REVERSE)
-	COMPILE_ARGS += -P $(TOPLEVEL).SCRAMBLER_DISABLE=$(PARAM_SCRAMBLER_DISABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PRBS31_ENABLE=$(PARAM_PRBS31_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).TX_SERDES_PIPELINE=$(PARAM_TX_SERDES_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).RX_SERDES_PIPELINE=$(PARAM_RX_SERDES_PIPELINE)
-	COMPILE_ARGS += -P $(TOPLEVEL).BITSLIP_HIGH_CYCLES=$(PARAM_BITSLIP_HIGH_CYCLES)
-	COMPILE_ARGS += -P $(TOPLEVEL).BITSLIP_LOW_CYCLES=$(PARAM_BITSLIP_LOW_CYCLES)
-	COMPILE_ARGS += -P $(TOPLEVEL).COUNT_125US=$(PARAM_COUNT_125US)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -77,17 +67,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GHDR_WIDTH=$(PARAM_HDR_WIDTH)
-	COMPILE_ARGS += -GBIT_REVERSE=$(PARAM_BIT_REVERSE)
-	COMPILE_ARGS += -GSCRAMBLER_DISABLE=$(PARAM_SCRAMBLER_DISABLE)
-	COMPILE_ARGS += -GPRBS31_ENABLE=$(PARAM_PRBS31_ENABLE)
-	COMPILE_ARGS += -GTX_SERDES_PIPELINE=$(PARAM_TX_SERDES_PIPELINE)
-	COMPILE_ARGS += -GRX_SERDES_PIPELINE=$(PARAM_RX_SERDES_PIPELINE)
-	COMPILE_ARGS += -GBITSLIP_HIGH_CYCLES=$(PARAM_BITSLIP_HIGH_CYCLES)
-	COMPILE_ARGS += -GBITSLIP_LOW_CYCLES=$(PARAM_BITSLIP_LOW_CYCLES)
-	COMPILE_ARGS += -GCOUNT_125US=$(PARAM_COUNT_125US)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/ptp_clock/Makefile b/tb/ptp_clock/Makefile
index 96bd292aa..5adaf22ef 100644
--- a/tb/ptp_clock/Makefile
+++ b/tb/ptp_clock/Makefile
@@ -47,17 +47,7 @@ export PARAM_PIPELINE_OUTPUT ?= 0
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).PERIOD_NS_WIDTH=$(PARAM_PERIOD_NS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).OFFSET_NS_WIDTH=$(PARAM_OFFSET_NS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).DRIFT_NS_WIDTH=$(PARAM_DRIFT_NS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).FNS_WIDTH=$(PARAM_FNS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).PERIOD_NS=$(PARAM_PERIOD_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).PERIOD_FNS=$(PARAM_PERIOD_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).DRIFT_ENABLE=$(PARAM_DRIFT_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).DRIFT_NS=$(PARAM_DRIFT_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).DRIFT_FNS=$(PARAM_DRIFT_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).DRIFT_RATE=$(PARAM_DRIFT_RATE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PIPELINE_OUTPUT=$(PARAM_PIPELINE_OUTPUT)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -66,17 +56,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GPERIOD_NS_WIDTH=$(PARAM_PERIOD_NS_WIDTH)
-	COMPILE_ARGS += -GOFFSET_NS_WIDTH=$(PARAM_OFFSET_NS_WIDTH)
-	COMPILE_ARGS += -GDRIFT_NS_WIDTH=$(PARAM_DRIFT_NS_WIDTH)
-	COMPILE_ARGS += -GFNS_WIDTH=$(PARAM_FNS_WIDTH)
-	COMPILE_ARGS += -GPERIOD_NS=$(PARAM_PERIOD_NS)
-	COMPILE_ARGS += -GPERIOD_FNS=$(PARAM_PERIOD_FNS)
-	COMPILE_ARGS += -GDRIFT_ENABLE=$(PARAM_DRIFT_ENABLE)
-	COMPILE_ARGS += -GDRIFT_NS=$(PARAM_DRIFT_NS)
-	COMPILE_ARGS += -GDRIFT_FNS=$(PARAM_DRIFT_FNS)
-	COMPILE_ARGS += -GDRIFT_RATE=$(PARAM_DRIFT_RATE)
-	COMPILE_ARGS += -GPIPELINE_OUTPUT=$(PARAM_PIPELINE_OUTPUT)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/ptp_clock_cdc/Makefile b/tb/ptp_clock_cdc/Makefile
index eac841e16..62b4d3d0a 100644
--- a/tb/ptp_clock_cdc/Makefile
+++ b/tb/ptp_clock_cdc/Makefile
@@ -42,12 +42,7 @@ export PARAM_PIPELINE_OUTPUT ?= 0
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).TS_WIDTH=$(PARAM_TS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).NS_WIDTH=$(PARAM_NS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).FNS_WIDTH=$(PARAM_FNS_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).USE_SAMPLE_CLOCK=$(PARAM_USE_SAMPLE_CLOCK)
-	COMPILE_ARGS += -P $(TOPLEVEL).LOG_RATE=$(PARAM_LOG_RATE)
-	COMPILE_ARGS += -P $(TOPLEVEL).PIPELINE_OUTPUT=$(PARAM_PIPELINE_OUTPUT)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -56,12 +51,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GTS_WIDTH=$(PARAM_TS_WIDTH)
-	COMPILE_ARGS += -GNS_WIDTH=$(PARAM_NS_WIDTH)
-	COMPILE_ARGS += -GFNS_WIDTH=$(PARAM_FNS_WIDTH)
-	COMPILE_ARGS += -GUSE_SAMPLE_CLOCK=$(PARAM_USE_SAMPLE_CLOCK)
-	COMPILE_ARGS += -GLOG_RATE=$(PARAM_LOG_RATE)
-	COMPILE_ARGS += -GPIPELINE_OUTPUT=$(PARAM_PIPELINE_OUTPUT)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/ptp_perout/Makefile b/tb/ptp_perout/Makefile
index 7a6f15cb3..08536e377 100644
--- a/tb/ptp_perout/Makefile
+++ b/tb/ptp_perout/Makefile
@@ -46,16 +46,7 @@ export PARAM_OUT_WIDTH_FNS ?= 0
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).FNS_ENABLE=$(PARAM_FNS_ENABLE)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_START_S=$(PARAM_OUT_START_S)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_START_NS=$(PARAM_OUT_START_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_START_FNS=$(PARAM_OUT_START_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_PERIOD_S=$(PARAM_OUT_PERIOD_S)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_PERIOD_NS=$(PARAM_OUT_PERIOD_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_PERIOD_FNS=$(PARAM_OUT_PERIOD_FNS)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_WIDTH_S=$(PARAM_OUT_WIDTH_S)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_WIDTH_NS=$(PARAM_OUT_WIDTH_NS)
-	COMPILE_ARGS += -P $(TOPLEVEL).OUT_WIDTH_FNS=$(PARAM_OUT_WIDTH_FNS)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -64,16 +55,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GFNS_ENABLE=$(PARAM_FNS_ENABLE)
-	COMPILE_ARGS += -GOUT_START_S=$(PARAM_OUT_START_S)
-	COMPILE_ARGS += -GOUT_START_NS=$(PARAM_OUT_START_NS)
-	COMPILE_ARGS += -GOUT_START_FNS=$(PARAM_OUT_START_FNS)
-	COMPILE_ARGS += -GOUT_PERIOD_S=$(PARAM_OUT_PERIOD_S)
-	COMPILE_ARGS += -GOUT_PERIOD_NS=$(PARAM_OUT_PERIOD_NS)
-	COMPILE_ARGS += -GOUT_PERIOD_FNS=$(PARAM_OUT_PERIOD_FNS)
-	COMPILE_ARGS += -GOUT_WIDTH_S=$(PARAM_OUT_WIDTH_S)
-	COMPILE_ARGS += -GOUT_WIDTH_NS=$(PARAM_OUT_WIDTH_NS)
-	COMPILE_ARGS += -GOUT_WIDTH_FNS=$(PARAM_OUT_WIDTH_FNS)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/xgmii_baser_dec_64/Makefile b/tb/xgmii_baser_dec_64/Makefile
index e42536aa1..8e023a764 100644
--- a/tb/xgmii_baser_dec_64/Makefile
+++ b/tb/xgmii_baser_dec_64/Makefile
@@ -39,9 +39,7 @@ export PARAM_HDR_WIDTH ?= 2
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).HDR_WIDTH=$(PARAM_HDR_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -50,9 +48,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GHDR_WIDTH=$(PARAM_HDR_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst
diff --git a/tb/xgmii_baser_enc_64/Makefile b/tb/xgmii_baser_enc_64/Makefile
index 81be5c525..57bf5ec22 100644
--- a/tb/xgmii_baser_enc_64/Makefile
+++ b/tb/xgmii_baser_enc_64/Makefile
@@ -39,9 +39,7 @@ export PARAM_HDR_WIDTH ?= 2
 ifeq ($(SIM), icarus)
 	PLUSARGS += -fst
 
-	COMPILE_ARGS += -P $(TOPLEVEL).DATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).CTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -P $(TOPLEVEL).HDR_WIDTH=$(PARAM_HDR_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		VERILOG_SOURCES += iverilog_dump.v
@@ -50,9 +48,7 @@ ifeq ($(SIM), icarus)
 else ifeq ($(SIM), verilator)
 	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH
 
-	COMPILE_ARGS += -GDATA_WIDTH=$(PARAM_DATA_WIDTH)
-	COMPILE_ARGS += -GCTRL_WIDTH=$(PARAM_CTRL_WIDTH)
-	COMPILE_ARGS += -GHDR_WIDTH=$(PARAM_HDR_WIDTH)
+	COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
 
 	ifeq ($(WAVES), 1)
 		COMPILE_ARGS += --trace-fst