Makefile: detect when ghdl is a yosys plugin

oss-cad-suite builds it as a plugin, some other toolchains
have it built in.

Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
fpu-constant
Matt Johnston 3 years ago
parent 9ceb463957
commit 2ec0d5fccd

@ -6,7 +6,8 @@ VERILATOR_FLAGS=-O3 -Wno-fatal -Wno-CASEOVERLAP -Wno-UNOPTFLAT #--trace
# It takes forever to build with optimisation, so disable by default
#VERILATOR_CFLAGS=-O3

GHDLSYNTH ?= ghdl.so
# some yosys builds have ghdl plugin built in, otherwise need "-m ghdl"
GHDLSYNTH ?= $(shell ($(YOSYS) -H | grep -q ghdl) || echo -m ghdl)
YOSYS ?= yosys
NEXTPNR ?= nextpnr-ecp5
ECPPACK ?= ecppack
@ -35,7 +36,7 @@ PWD = $(shell pwd)
DOCKERARGS = run --rm -v $(PWD):/src:z -w /src
GHDL = $(DOCKERBIN) $(DOCKERARGS) ghdl/ghdl:buster-llvm-7 ghdl
CC = $(DOCKERBIN) $(DOCKERARGS) ghdl/ghdl:buster-llvm-7 gcc
GHDLSYNTH = ghdl
GHDLSYNTH = -m ghdl
YOSYS = $(DOCKERBIN) $(DOCKERARGS) hdlc/ghdl:yosys yosys
NEXTPNR = $(DOCKERBIN) $(DOCKERARGS) hdlc/nextpnr:ecp5 nextpnr-ecp5
ECPPACK = $(DOCKERBIN) $(DOCKERARGS) hdlc/prjtrellis ecppack
@ -211,10 +212,10 @@ fpga_files = fpga/soc_reset.vhdl \
synth_files = $(core_files) $(soc_files) $(fpga_files) $(clkgen) $(toplevel) $(dmi_dtm)

microwatt.json: $(synth_files) $(RAM_INIT_FILE)
$(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 --no-formal $(GHDL_IMAGE_GENERICS) $(synth_files) -e toplevel; read_verilog $(uart_files); synth_ecp5 -abc9 -nowidelut -json $@ $(SYNTH_ECP5_FLAGS)"
$(YOSYS) $(GHDLSYNTH) -p "ghdl --std=08 --no-formal $(GHDL_IMAGE_GENERICS) $(synth_files) -e toplevel; read_verilog $(uart_files); synth_ecp5 -abc9 -nowidelut -json $@ $(SYNTH_ECP5_FLAGS)"

microwatt.v: $(synth_files) $(RAM_INIT_FILE)
$(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 --no-formal $(GHDL_IMAGE_GENERICS) $(synth_files) -e toplevel; write_verilog $@"
$(YOSYS) $(GHDLSYNTH) -p "ghdl --std=08 --no-formal $(GHDL_IMAGE_GENERICS) $(synth_files) -e toplevel; write_verilog $@"

microwatt-verilator: microwatt.v verilator/microwatt-verilator.cpp verilator/uart-verilator.c
$(VERILATOR) $(VERILATOR_FLAGS) -CFLAGS "$(VERILATOR_CFLAGS) -DCLK_FREQUENCY=$(CLK_FREQUENCY)" -Iuart16550 --assert --cc --exe --build $^ -o $@ -top-module toplevel

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