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axis: Add AXI stream pipeline FIFO module and testbench

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2025-02-03 16:35:52 -08:00
parent 47e4658b55
commit 9590811570
4 changed files with 701 additions and 0 deletions
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58
tb/axis/taxi_axis_pipeline_fifo/Makefile Normal file
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# SPDX-License-Identifier: CERN-OHL-S-2.0
#
# Copyright (c) 2021-2025 FPGA Ninja, LLC
#
# Authors:
# - Alex Forencich
TOPLEVEL_LANG = verilog
SIM ?= verilator
WAVES ?= 0
COCOTB_HDL_TIMEUNIT = 1ns
COCOTB_HDL_TIMEPRECISION = 1ps
DUT = taxi_axis_pipeline_fifo
COCOTB_TEST_MODULES = test_$(DUT)
COCOTB_TOPLEVEL = test_$(DUT)
MODULE = $(COCOTB_TEST_MODULES)
TOPLEVEL = $(COCOTB_TOPLEVEL)
VERILOG_SOURCES += $(COCOTB_TOPLEVEL).sv
VERILOG_SOURCES += ../../../rtl/axis/$(DUT).sv
VERILOG_SOURCES += ../../../rtl/axis/taxi_axis_if.sv
# handle file list files
process_f_file = $(call process_f_files,$(addprefix $(dir $1),$(shell cat $1)))
process_f_files = $(foreach f,$1,$(if $(filter %.f,$f),$(call process_f_file,$f),$f))
uniq_base = $(if $1,$(call uniq_base,$(foreach f,$1,$(if $(filter-out $(notdir $(lastword $1)),$(notdir $f)),$f,))) $(lastword $1))
VERILOG_SOURCES := $(call uniq_base,$(call process_f_files,$(VERILOG_SOURCES)))
# module parameters
export PARAM_DATA_W := 8
export PARAM_KEEP_EN := $(shell echo $$(( $(PARAM_DATA_W) > 8 )))
export PARAM_KEEP_W := $(shell echo $$(( ( $(PARAM_DATA_W) + 7 ) / 8 )))
export PARAM_STRB_EN := 0
export PARAM_LAST_EN := 1
export PARAM_ID_EN := 1
export PARAM_ID_W := 8
export PARAM_DEST_EN := 1
export PARAM_DEST_W := 8
export PARAM_USER_EN := 1
export PARAM_USER_W := 1
export PARAM_LENGTH := 2
ifeq ($(SIM), icarus)
PLUSARGS += -fst
COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(COCOTB_TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
else ifeq ($(SIM), verilator)
COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
ifeq ($(WAVES), 1)
COMPILE_ARGS += --trace-fst
VERILATOR_TRACE = 1
endif
endif
include $(shell cocotb-config --makefiles)/Makefile.sim