decode1: Fix decoding of recommended NOP instruction
[microwatt.git] / Makefile
index 4684dc1c24a73b6296602dcc7ad1dcdf07821d4b..2ee5d572ceffc4bfa99b86d2cb63c06d2ac017a6 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -177,6 +177,13 @@ clkgen=fpga/clk_gen_ecp5.vhd
 toplevel=fpga/top-generic.vhdl
 dmi_dtm=dmi_dtm_dummy.vhdl
 
+ifeq ($(FPGA_TARGET), verilator)
+RESET_LOW=true
+CLK_INPUT=50000000
+CLK_FREQUENCY=50000000
+clkgen=fpga/clk_gen_bypass.vhd
+endif
+
 fpga_files = $(core_files) $(soc_files) fpga/soc_reset.vhdl \
        fpga/pp_fifo.vhd fpga/pp_soc_uart.vhd fpga/main_bram.vhdl \
        nonrandom.vhdl
@@ -187,11 +194,11 @@ microwatt.json: $(synth_files) $(RAM_INIT_FILE)
        $(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 --no-formal $(GHDL_IMAGE_GENERICS) $(GHDL_TARGET_GENERICS) $(synth_files) -e toplevel; synth_ecp5 -json $@  $(SYNTH_ECP5_FLAGS)" $(uart_files)
 
 microwatt.v: $(synth_files) $(RAM_INIT_FILE)
-       $(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 --no-formal $(GHDL_IMAGE_GENERICS) $(GHDL_TARGET_GENERICS) $(synth_files) -e toplevel; write_verilog $@" $(uart_files)
+       $(YOSYS) -m $(GHDLSYNTH) -p "ghdl --std=08 --no-formal $(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 -CFLAGS "-DCLK_FREQUENCY=$(CLK_FREQUENCY)" --assert --cc microwatt.v --exe verilator/microwatt-verilator.cpp verilator/uart-verilator.c -o $@ -Wno-CASEOVERLAP -Wno-UNOPTFLAT #--trace
+       verilator -O3 -CFLAGS "-DCLK_FREQUENCY=$(CLK_FREQUENCY)" --assert --cc microwatt.v --exe verilator/microwatt-verilator.cpp verilator/uart-verilator.c -o $@ -Iuart16550 -Wno-fatal -Wno-CASEOVERLAP -Wno-UNOPTFLAT #--trace
        make -C obj_dir -f Vmicrowatt.mk
        @cp -f obj_dir/microwatt-verilator microwatt-verilator