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				@ -1,134 +1,134 @@
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				GHDL=ghdl
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				GHDLFLAGS=--std=08 -Psim-unisim
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				GHDL ?= ghdl
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				GHDLFLAGS=--std=08 --work=unisim
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				CFLAGS=-O2 -Wall
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				GHDLSYNTH ?= ghdl.so
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				YOSYS     ?= yosys
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				NEXTPNR   ?= nextpnr-ecp5
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				ECPPACK   ?= ecppack
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				OPENOCD   ?= openocd
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				# We need a version of GHDL built with either the LLVM or gcc backend.
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				# Fedora provides this, but other distros may not. Another option, although
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				# rather slow, is to use the Docker image.
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				#
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				# Uncomment one of these to build with Docker or podman
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				#DOCKER=docker
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				#DOCKER=podman
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				#
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				# Uncomment these lines to build with Docker/podman
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				#PWD = $(shell pwd)
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				#DOCKERARGS = run --rm -v $(PWD):/src:z -w /src
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				#GHDL = $(DOCKER) $(DOCKERARGS) ghdl/ghdl:buster-llvm-7 ghdl
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				#CC = $(DOCKER) $(DOCKERARGS) ghdl/ghdl:buster-llvm-7 gcc
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				all = core_tb soc_reset_tb icache_tb dcache_tb multiply_tb dmi_dtm_tb divider_tb \
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					rotator_tb countzero_tb wishbone_bram_tb
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				# XXX
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				# loadstore_tb fetch_tb
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				# Fedora provides this, but other distros may not. Another option is to use
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				# the Docker image.
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				DOCKER ?= 0
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				PODMAN ?= 0
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				ifeq ($(DOCKER), 1)
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				DOCKERBIN=docker
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				USE_DOCKER=1
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				endif
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				ifeq ($(PODMAN), 1)
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				DOCKERBIN=podman
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				USE_DOCKER=1
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				endif
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				ifeq ($(USE_DOCKER), 1)
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				PWD = $(shell pwd)
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				DOCKERARGS = run --rm -v $(PWD):/src:z -w /src
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				GHDL      = $(DOCKERBIN) $(DOCKERARGS) ghdl/ghdl:buster-llvm-7 ghdl
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				CC        = $(DOCKERBIN) $(DOCKERARGS) ghdl/ghdl:buster-llvm-7 gcc
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				GHDLSYNTH = ghdl
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				YOSYS     = $(DOCKERBIN) $(DOCKERARGS) ghdl/synth:beta yosys
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				NEXTPNR   = $(DOCKERBIN) $(DOCKERARGS) ghdl/synth:nextpnr-ecp5 nextpnr-ecp5
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				ECPPACK   = $(DOCKERBIN) $(DOCKERARGS) ghdl/synth:trellis ecppack
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				OPENOCD   = $(DOCKERBIN) $(DOCKERARGS) --device /dev/bus/usb ghdl/synth:prog openocd
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				endif
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				all = core_tb icache_tb dcache_tb multiply_tb dmi_dtm_tb divider_tb \
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					rotator_tb countzero_tb wishbone_bram_tb soc_reset_tb
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				all: $(all)
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				%.o : %.vhdl
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					$(GHDL) -a $(GHDLFLAGS) --workdir=$(shell dirname $@) $<
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				common.o: decode_types.o
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				control.o: gpr_hazard.o cr_hazard.o common.o
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				sim_jtag.o: sim_jtag_socket.o
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				core_tb.o: common.o wishbone_types.o core.o soc.o sim_jtag.o
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				core.o: common.o wishbone_types.o fetch1.o fetch2.o icache.o decode1.o decode2.o register_file.o cr_file.o execute1.o loadstore1.o mmu.o dcache.o writeback.o core_debug.o
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				core_debug.o: common.o
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				countzero.o:
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				countzero_tb.o: common.o glibc_random.o countzero.o
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				cr_file.o: common.o
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				crhelpers.o: common.o
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				decode1.o: common.o decode_types.o
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				decode2.o: decode_types.o common.o helpers.o insn_helpers.o control.o
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				decode_types.o:
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				execute1.o: decode_types.o common.o helpers.o crhelpers.o insn_helpers.o ppc_fx_insns.o rotator.o logical.o countzero.o multiply.o divider.o
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				fetch1.o: common.o
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				fetch2.o: common.o wishbone_types.o
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				glibc_random_helpers.o:
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				glibc_random.o: glibc_random_helpers.o
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				helpers.o:
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				cache_ram.o:
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				plru.o:
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				plru_tb.o: plru.o
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				utils.o:
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				sim_bram.o: sim_bram_helpers.o utils.o
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				wishbone_bram_wrapper.o: wishbone_types.o sim_bram.o utils.o
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				wishbone_bram_tb.o: wishbone_bram_wrapper.o
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				icache.o: utils.o common.o wishbone_types.o plru.o cache_ram.o utils.o
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				icache_tb.o: common.o wishbone_types.o icache.o wishbone_bram_wrapper.o
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				dcache.o: utils.o common.o wishbone_types.o plru.o cache_ram.o utils.o
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				dcache_tb.o: common.o wishbone_types.o dcache.o wishbone_bram_wrapper.o
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				insn_helpers.o:
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				loadstore1.o: common.o decode_types.o
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				logical.o: decode_types.o
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				multiply_tb.o: decode_types.o common.o glibc_random.o ppc_fx_insns.o multiply.o
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				multiply.o: common.o decode_types.o
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				mmu.o: common.o
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				divider_tb.o: decode_types.o common.o glibc_random.o ppc_fx_insns.o divider.o
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				divider.o: common.o decode_types.o
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				ppc_fx_insns.o: helpers.o
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				register_file.o: common.o
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				rotator.o: common.o
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				rotator_tb.o: common.o glibc_random.o ppc_fx_insns.o insn_helpers.o rotator.o
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				sim_console.o:
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				sim_uart.o: wishbone_types.o sim_console.o
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				xics.o: wishbone_types.o common.o
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				soc.o: common.o wishbone_types.o core.o wishbone_arbiter.o sim_uart.o wishbone_bram_wrapper.o dmi_dtm_xilinx.o wishbone_debug_master.o xics.o syscon.o
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				syscon.o: wishbone_types.o
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				wishbone_arbiter.o: wishbone_types.o
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				wishbone_types.o:
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				writeback.o: common.o crhelpers.o
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				dmi_dtm_tb.o: dmi_dtm_xilinx.o wishbone_debug_master.o
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				dmi_dtm_xilinx.o: wishbone_types.o sim-unisim/unisim_vcomponents.o
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				wishbone_debug_master.o: wishbone_types.o
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				UNISIM_BITS = sim-unisim/unisim_vcomponents.vhdl sim-unisim/BSCANE2.vhdl sim-unisim/BUFG.vhdl
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				sim-unisim/unisim_vcomponents.o: $(UNISIM_BITS)
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					$(GHDL) -a $(GHDLFLAGS) --work=unisim --workdir=sim-unisim $^
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				fpga/soc_reset_tb.o: fpga/soc_reset.o
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				soc_reset_tb: fpga/soc_reset_tb.o fpga/soc_reset.o
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					$(GHDL) -e $(GHDLFLAGS) --workdir=fpga soc_reset_tb
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				core_tb: core_tb.o sim_vhpi_c.o sim_bram_helpers_c.o sim_console_c.o sim_jtag_socket_c.o
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					$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o -Wl,sim_console_c.o -Wl,sim_jtag_socket_c.o $@
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				fetch_tb: fetch_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				icache_tb: icache_tb.o sim_vhpi_c.o sim_bram_helpers_c.o
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					$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@
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				dcache_tb: dcache_tb.o sim_vhpi_c.o sim_bram_helpers_c.o
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					$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@
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				plru_tb: plru_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				loadstore_tb: loadstore_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				multiply_tb: multiply_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				divider_tb: divider_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				rotator_tb: rotator_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				countzero_tb: countzero_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				simple_ram_tb: simple_ram_tb.o
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					$(GHDL) -e $(GHDLFLAGS) $@
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				wishbone_bram_tb: sim_vhpi_c.o sim_bram_helpers_c.o wishbone_bram_tb.o
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					$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@
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				dmi_dtm_tb: dmi_dtm_tb.o sim_vhpi_c.o sim_bram_helpers_c.o
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					$(GHDL) -e $(GHDLFLAGS) -Wl,sim_vhpi_c.o -Wl,sim_bram_helpers_c.o $@
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				core_files = decode_types.vhdl common.vhdl wishbone_types.vhdl fetch1.vhdl \
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					fetch2.vhdl utils.vhdl plru.vhdl cache_ram.vhdl icache.vhdl \
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					decode1.vhdl helpers.vhdl insn_helpers.vhdl gpr_hazard.vhdl \
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					cr_hazard.vhdl control.vhdl decode2.vhdl register_file.vhdl \
 | 
			
		
		
	
		
			
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			 | 
			
					cr_file.vhdl crhelpers.vhdl ppc_fx_insns.vhdl rotator.vhdl \
 | 
			
		
		
	
		
			
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					logical.vhdl countzero.vhdl multiply.vhdl divider.vhdl execute1.vhdl \
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					loadstore1.vhdl mmu.vhdl dcache.vhdl writeback.vhdl core_debug.vhdl \
 | 
			
		
		
	
		
			
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					core.vhdl
 | 
			
		
		
	
		
			
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				soc_files = wishbone_arbiter.vhdl wishbone_bram_wrapper.vhdl \
 | 
			
		
		
	
		
			
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					wishbone_debug_master.vhdl xics.vhdl syscon.vhdl soc.vhdl
 | 
			
		
		
	
		
			
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				soc_sim_files = sim_console.vhdl sim_uart.vhdl sim_bram_helpers.vhdl \
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					sim_bram.vhdl sim_jtag_socket.vhdl sim_jtag.vhdl \
 | 
			
		
		
	
		
			
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					sim-unisim/BSCANE2.vhdl sim-unisim/BUFG.vhdl \
 | 
			
		
		
	
		
			
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			 | 
			
					sim-unisim/unisim_vcomponents.vhdl dmi_dtm_xilinx.vhdl
 | 
			
		
		
	
		
			
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			 | 
			
				soc_sim_c_files = sim_vhpi_c.c sim_bram_helpers_c.c sim_console_c.c \
 | 
			
		
		
	
		
			
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				 | 
			
			 | 
			 | 
			
					sim_jtag_socket_c.c
 | 
			
		
		
	
		
			
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				soc_sim_obj_files=$(soc_sim_c_files:.c=.o)
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				comma := ,
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				soc_sim_link=$(patsubst %,-Wl$(comma)%,$(soc_sim_obj_files))
 | 
			
		
		
	
		
			
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				core_tbs = multiply_tb divider_tb rotator_tb countzero_tb
 | 
			
		
		
	
		
			
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				soc_tbs = core_tb icache_tb dcache_tb dmi_dtm_tb wishbone_bram_tb
 | 
			
		
		
	
		
			
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			 | 
			
				$(soc_tbs): %: $(core_files) $(soc_files) $(soc_sim_files) $(soc_sim_obj_files) %.vhdl
 | 
			
		
		
	
		
			
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			 | 
			
					$(GHDL) -c $(GHDLFLAGS) $(soc_sim_link) $(core_files) $(soc_files) $(soc_sim_files) $@.vhdl -e $@
 | 
			
		
		
	
		
			
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				$(core_tbs): %: $(core_files) glibc_random.vhdl glibc_random_helpers.vhdl %.vhdl
 | 
			
		
		
	
		
			
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			 | 
			
					$(GHDL) -c $(GHDLFLAGS) $(core_files) glibc_random.vhdl glibc_random_helpers.vhdl $@.vhdl -e $@
 | 
			
		
		
	
		
			
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				soc_reset_tb: fpga/soc_reset_tb.vhdl fpga/soc_reset.vhdl
 | 
			
		
		
	
		
			
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			 | 
			 | 
			
					$(GHDL) -c $(GHDLFLAGS) fpga/soc_reset_tb.vhdl fpga/soc_reset.vhdl -e $@
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				# Hello world
 | 
			
		
		
	
		
			
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				GHDL_IMAGE_GENERICS=-gMEMORY_SIZE=8192 -gRAM_INIT_FILE=hello_world/hello_world.hex
 | 
			
		
		
	
		
			
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			 | 
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				# Micropython
 | 
			
		
		
	
		
			
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			 | 
			 | 
			
				#GHDL_IMAGE_GENERICS=-gMEMORY_SIZE=393216 -gRAM_INIT_FILE=micropython/firmware.hex
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			 | 
			
				# OrangeCrab with ECP85
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				GHDL_TARGET_GENERICS=-gRESET_LOW=true -gCLK_INPUT=50000000 -gCLK_FREQUENCY=50000000
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				LPF=constraints/orange-crab.lpf
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				PACKAGE=CSFBGA285
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				NEXTPNR_FLAGS=--um5g-85k --freq 50
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				OPENOCD_JTAG_CONFIG=openocd/olimex-arm-usb-tiny-h.cfg
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				OPENOCD_DEVICE_CONFIG=openocd/LFE5UM5G-85F.cfg
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
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 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				# ECP5-EVN
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				#GHDL_TARGET_GENERICS=-gRESET_LOW=true -gCLK_INPUT=12000000 -gCLK_FREQUENCY=12000000
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				#LPF=constraints/ecp5-evn.lpf
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				#PACKAGE=CABGA381
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				#NEXTPNR_FLAGS=--um5g-85k --freq 12
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				#OPENOCD_JTAG_CONFIG=openocd/ecp5-evn.cfg
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				#OPENOCD_DEVICE_CONFIG=openocd/LFE5UM5G-85F.cfg
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				clkgen=fpga/clk_gen_bypass.vhd
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				toplevel=fpga/top-generic.vhdl
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				dmi_dtm=dmi_dtm_dummy.vhdl
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				fpga_files = $(core_files) $(soc_files) fpga/soc_reset.vhdl \
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					fpga/pp_fifo.vhd fpga/pp_soc_uart.vhd fpga/main_bram.vhdl
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				synth_files = $(core_files) $(soc_files) $(fpga_files) $(clkgen) $(toplevel) $(dmi_dtm)
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				microwatt.json: $(synth_files)
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					$(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 $(GHDL_IMAGE_GENERICS) $(GHDL_TARGET_GENERICS) $(synth_files) -e toplevel; synth_ecp5 -json $@"
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				microwatt.v: $(synth_files)
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					$(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 $(GHDL_IMAGE_GENERICS) $(GHDL_TARGET_GENERICS) $(synth_files) -e toplevel; write_verilog $@"
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				# Need to investigate why yosys is hitting verilator warnings, and eventually turn on -Wall
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				microwatt-verilator: microwatt.v verilator/microwatt-verilator.cpp verilator/uart-verilator.c
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					verilator -O3 --assert --cc microwatt.v --exe verilator/microwatt-verilator.cpp verilator/uart-verilator.c -o $@ -Wno-CASEOVERLAP -Wno-UNOPTFLAT #--trace
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					make -C obj_dir -f Vmicrowatt.mk
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					@cp -f obj_dir/microwatt-verilator microwatt-verilator
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				microwatt_out.config: microwatt.json $(LPF)
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					$(NEXTPNR) --json $< --lpf $(LPF) --textcfg $@ $(NEXTPNR_FLAGS) --package $(PACKAGE)
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				microwatt.bit: microwatt_out.config
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					$(ECPPACK) --svf microwatt.svf $< $@
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				microwatt.svf: microwatt.bit
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				prog: microwatt.svf
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					$(OPENOCD) -f $(OPENOCD_JTAG_CONFIG) -f $(OPENOCD_DEVICE_CONFIG) -c "transport select jtag; init; svf $<; exit"
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				tests = $(sort $(patsubst tests/%.out,%,$(wildcard tests/*.out)))
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				tests_console = $(sort $(patsubst tests/%.console_out,%,$(wildcard tests/*.console_out)))
 | 
			
		
		
	
	
		
			
				
					| 
						
							
								
							
						
						
							
								
							
						
						
					 | 
				
			
			 | 
			 | 
			
				@ -161,6 +161,9 @@ _clean:
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					rm -f TAGS
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					rm -f scripts/mw_debug/*.o
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					rm -f scripts/mw_debug/mw_debug
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					rm -f microwatt.bin microwatt.json microwatt.svf microwatt_out.config
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					rm -f microwatt.v microwatt-verilator
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					rm -rf obj_dir/
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				clean: _clean
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					make -f scripts/mw_debug/Makefile clean
 | 
			
		
		
	
	
		
			
				
					| 
						
						
						
							
								
							
						
					 | 
				
			
			 | 
			 | 
			
				@ -174,3 +177,6 @@ distclean: _clean
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					rm -f litedram/gen-src/sdram_init/*~
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					make -f scripts/mw_debug/Makefile distclean
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
					make -f hello_world/Makefile distclean
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				
 
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				.PHONY: all prog check check_light clean distclean
 | 
			
		
		
	
		
			
				 | 
				 | 
			
			 | 
			 | 
			
				.PRECIOUS: microwatt.json microwatt_out.config microwatt.bit
 | 
			
		
		
	
	
		
			
				
					| 
						
						
						
					 | 
				
			
			 | 
			 | 
			
				
 
 |