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fpga: Update makefiles to allow parallel FPGA builds

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This adds the ability to do IP generation and FPGA builds using the
--jobs (-j) option with Make. For example, rather than generating each
IP one after another, you can generate up to N at a time using N Vivado
instances. This greatly reduces the IP generation time. Similarly,
parallel jobs can be used to easily build different FPGA variants
simultaneously.

Because FPGA builds can consume a lot of memory, care must be taken to
ensure that the number of jobs is not too high for the amount of memory
available.

New IP make targets were added for each USRP so that IP can be built
separately from the FPGA. The IP targets are now a dependency on each
FPGA target.

For example, you can generate the IP for X310 using 4 parallel jobs
using the following command:

  make -j4 X310_IP

Or, build two X310 bitstreams simultaneously:

  make -j2 X310_XG X310_HG


Original-commit: 4b03e237a96ee277eefff257d65b08708c38662c
This commit is contained in:
Wade Fife
2022-08-16 10:16:22 -05:00
parent 50bf9c3ae5
commit 81bb2ae28f
100 changed files with 608 additions and 224 deletions
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top/x300/Makefile.x300.inc
+6 -3
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@@ -124,13 +124,16 @@ IMAGE_CORE_DEF="RFNOC_IMAGE_CORE_HDR=$(DEFAULT_RFNOC_IMAGE_CORE_FILE:.v=.vh)"
VERILOG_DEFS=$(EXTRA_DEFS) $(CUSTOM_DEFS) $(GIT_HASH_VERILOG_DEF) $(EDGE_TBL_DEF) $(IMAGE_CORE_DEF)
# DESIGN_SRCS and VERILOG_DEFS must be defined
bin: .prereqs $$(DESIGN_SRCS) ip
bin: .prereqs $$(DESIGN_SRCS)
$(call BUILD_VIVADO_DESIGN,$(abspath ./build_x300.tcl),$(TOP_MODULE),$(ARCH),$(PART_ID))
synth: .prereqs $$(DESIGN_SRCS) ip
synth: .prereqs $$(DESIGN_SRCS)
$(call BUILD_VIVADO_DESIGN,$(TOOLS_DIR)/scripts/viv_synth.tcl,$(TOP_MODULE),$(ARCH),$(PART_ID))
rtl: .prereqs $$(DESIGN_SRCS) ip
rtl: .prereqs $$(DESIGN_SRCS)
$(call CHECK_VIVADO_DESIGN,$(TOOLS_DIR)/scripts/viv_check_syntax.tcl,$(TOP_MODULE),$(ARCH),$(PART_ID))
viv_ip: .prereqs $$(DESIGN_SRCS) ip
@echo "IP build for $(NAME) DONE . . ."
.PHONY: bin rtl