# Copyright 2020, The Regents of the University of California.
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TOPLEVEL_LANG = verilog

SIM ?= icarus
WAVES ?= 0

COCOTB_HDL_TIMEUNIT = 1ns
COCOTB_HDL_TIMEPRECISION = 1ps

DUT      = tdma_scheduler
TOPLEVEL = $(DUT)
MODULE   = test_$(DUT)
VERILOG_SOURCES += ../../rtl/$(DUT).v

# module parameters
export PARAM_INDEX_WIDTH = 8
export PARAM_SCHEDULE_START_S = 0
export PARAM_SCHEDULE_START_NS = 0
export PARAM_SCHEDULE_PERIOD_S = 0
export PARAM_SCHEDULE_PERIOD_NS = 1000000
export PARAM_TIMESLOT_PERIOD_S = 0
export PARAM_TIMESLOT_PERIOD_NS = 100000

ifeq ($(SIM), icarus)
	PLUSARGS += -fst

	COMPILE_ARGS += -P $(TOPLEVEL).INDEX_WIDTH=$(PARAM_INDEX_WIDTH)
	COMPILE_ARGS += -P $(TOPLEVEL).SCHEDULE_START_S=$(PARAM_SCHEDULE_START_S)
	COMPILE_ARGS += -P $(TOPLEVEL).SCHEDULE_START_NS=$(PARAM_SCHEDULE_START_NS)
	COMPILE_ARGS += -P $(TOPLEVEL).SCHEDULE_PERIOD_S=$(PARAM_SCHEDULE_PERIOD_S)
	COMPILE_ARGS += -P $(TOPLEVEL).SCHEDULE_PERIOD_NS=$(PARAM_SCHEDULE_PERIOD_NS)
	COMPILE_ARGS += -P $(TOPLEVEL).TIMESLOT_PERIOD_S=$(PARAM_TIMESLOT_PERIOD_S)
	COMPILE_ARGS += -P $(TOPLEVEL).TIMESLOT_PERIOD_NS=$(PARAM_TIMESLOT_PERIOD_NS)

	ifeq ($(WAVES), 1)
		VERILOG_SOURCES += iverilog_dump.v
		COMPILE_ARGS += -s iverilog_dump
	endif
else ifeq ($(SIM), verilator)
	COMPILE_ARGS += -Wno-SELRANGE -Wno-WIDTH

	COMPILE_ARGS += -GINDEX_WIDTH=$(PARAM_INDEX_WIDTH)
	COMPILE_ARGS += -GSCHEDULE_START_S=$(PARAM_SCHEDULE_START_S)
	COMPILE_ARGS += -GSCHEDULE_START_NS=$(PARAM_SCHEDULE_START_NS)
	COMPILE_ARGS += -GSCHEDULE_PERIOD_S=$(PARAM_SCHEDULE_PERIOD_S)
	COMPILE_ARGS += -GSCHEDULE_PERIOD_NS=$(PARAM_SCHEDULE_PERIOD_NS)
	COMPILE_ARGS += -GTIMESLOT_PERIOD_S=$(PARAM_TIMESLOT_PERIOD_S)
	COMPILE_ARGS += -GTIMESLOT_PERIOD_NS=$(PARAM_TIMESLOT_PERIOD_NS)

	ifeq ($(WAVES), 1)
		COMPILE_ARGS += --trace-fst
	endif
endif

include $(shell cocotb-config --makefiles)/Makefile.sim

iverilog_dump.v:
	echo 'module iverilog_dump();' > $@
	echo 'initial begin' >> $@
	echo '    $$dumpfile("$(TOPLEVEL).fst");' >> $@
	echo '    $$dumpvars(0, $(TOPLEVEL));' >> $@
	echo 'end' >> $@
	echo 'endmodule' >> $@

clean::
	@rm -rf iverilog_dump.v
	@rm -rf dump.fst $(TOPLEVEL).fst