Wade Fife
ab63d78a6c
Adds a BUILD_SEED make variable that can be set to a 32-bit integer, and adds an FPGA read-only register initialized by this variable. Changing this variable will randomly affect the FPGA build results. This can be useful when your build fails timing by a small amount, allowing you to build again and get different results with the same code. For example, you could run the following to produce an FPGA build with different timing results from the default build: make X310_XG BUILD_SEED=123 Original-commit: 3a3a03486f9221c2e59fa6d0826c23d17730956d
110 lines
3.6 KiB
Makefile
110 lines
3.6 KiB
Makefile
#
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# Copyright 2018-2019 Ettus Research, a National Instruments Brand
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#
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# NOTE: All comments prefixed with a "##" will be displayed as a part of the "make help" target
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##-------------------
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##USRP E3XX FPGA Help
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##-------------------
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##Usage:
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## make <Targets> <Options>
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##
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##Output:
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## build/usrp_<product>_fpga_<image_type>.bit: Configuration bitstream with header
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## build/usrp_<product>_fpga_<image_type>.dts: Device tree source file
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## build/usrp_<product>_fpga_<image_type>.rpt: Build report (includes utilization and timing summary)
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# Initialize a build seed. This can be changed to randomly affect build results.
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BUILD_SEED ?= 0
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1G_DEFS=SFP_1GBE=1 BUILD_1G=1 $(OPTIONS) BUILD_SEED=$(BUILD_SEED)
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XG_DEFS=SFP_10GBE=1 BUILD_10G=1 $(OPTIONS) BUILD_SEED=$(BUILD_SEED)
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AA_DEFS=SFP_AURORA=1 BUILD_AURORA=1 $(OPTIONS) BUILD_SEED=$(BUILD_SEED)
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# Set build option (check RTL, run synthesis, or do a full build)
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ifndef TARGET
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ifdef CHECK
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TARGET = rtl
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else ifdef SYNTH
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TARGET = synth
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else
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TARGET = bin
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endif
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endif
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TOP ?= e320
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DEFAULT_IMAGE_CORE_FILE_E320=e320_rfnoc_image_core.v
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DEFAULT_EDGE_FILE_E320=$(abspath e320_static_router.hex)
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# vivado_build($1=Device, $2=Definitions)
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vivado_build = make -f Makefile.e320.inc $(TARGET) NAME=$@ ARCH=$(XIL_ARCH_$1) PART_ID=$(XIL_PART_ID_$1) $2 TOP_MODULE=$(TOP) EXTRA_DEFS="$2" DEFAULT_RFNOC_IMAGE_CORE_FILE=$(DEFAULT_IMAGE_CORE_FILE_$1) DEFAULT_EDGE_FILE=$(DEFAULT_EDGE_FILE_$1)
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vivado_ip = make -f Makefile.e320.inc viv_ip NAME=$@ ARCH=$(XIL_ARCH_$1) PART_ID=$(XIL_PART_ID_$1) $2 TOP_MODULE=$(TOP) EXTRA_DEFS="$2" DEFAULT_RFNOC_IMAGE_CORE_FILE=$(DEFAULT_IMAGE_CORE_FILE_$1) DEFAULT_EDGE_FILE=$(DEFAULT_EDGE_FILE_$1)
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# post_build($1=Device, $2=Option)
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ifeq ($(TARGET),bin)
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post_build = @\
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mkdir -p build; \
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echo "Exporting bitstream file..."; \
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cp build-$(1)_$(2)/e320.bit build/usrp_`echo $(1) | tr A-Z a-z`_fpga_$(2).bit; \
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echo "Exporting build report..."; \
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cp build-$(1)_$(2)/build.rpt build/usrp_`echo $(1) | tr A-Z a-z`_fpga_$(2).rpt; \
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echo "Build DONE ... $(1)_$(2)";
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else
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post_build = @echo "Skipping bitfile export."
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endif
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##
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##Supported Targets
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##-----------------
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all: E320_1G E320_XG ##(Default target)
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##E320_IP: Build IP for E320 only.
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E320_IP:
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+$(call vivado_ip,E320,$(XG_DEFS) E320=1)
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##E320_1G: 1GigE on SFP+ Port.
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E320_1G: E320_IP build/usrp_e320_fpga_1G.dts
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$(call vivado_build,E320,$(1G_DEFS) E320=1)
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$(call post_build,E320,1G)
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##E320_XG: 10GigE on SFP+ Port.
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E320_XG: E320_IP build/usrp_e320_fpga_XG.dts
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$(call vivado_build,E320,$(XG_DEFS) E320=1)
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$(call post_build,E320,XG)
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##E320_AA: Aurora on SFP+ Port.
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E320_AA: E320_IP build/usrp_e320_fpga_AA.dts
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$(call vivado_build,E320,$(AA_DEFS) E320=1)
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$(call post_build,E320,AA)
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build/%.dts: dts/%.dts dts/*.dtsi
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-mkdir -p build
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${CC} -o $@ -E -I dts -nostdinc -undef -x assembler-with-cpp -D__DTS__ $<
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clean: ##Clean up all target build outputs.
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@echo "Cleaning targets..."
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@rm -rf build-E3*_*
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@rm -rf build
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cleanall: ##Clean up all target and ip build outputs.
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@echo "Cleaning targets and IP..."
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@rm -rf build-ip
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@rm -rf build-E3*_*
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@rm -rf build
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help: ##Show this help message.
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@grep -h "##" Makefile | grep -v "\"##\"" | sed -e 's/\\$$//' | sed -e 's/##//'
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##
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##Supported Options
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##-----------------
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##GUI=1 Launch the build in the Vivado GUI.
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##CHECK=1 Launch the syntax checker instead of building a bitfile.
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##SYNTH=1 Launch the build but stop after synthesis.
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##BUILD_SEED=<N> Build seed to used to affect build results. (Default is 0)
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##TOP=<module> Specify a top module for syntax checking. (Default is the bitfile top)
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.PHONY: all clean cleanall help
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