blob: a6a4b4f0cb9989b4781e3b4a83b455e603898b66 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
TOOLCHAIN_PREFIX = riscv64-unknown-elf-
all: example.bin
firmware.elf: firmware.S firmware.c firmware.lds
$(TOOLCHAIN_PREFIX)gcc -Os -m32 -ffreestanding -nostdlib -o firmware.elf firmware.S firmware.c \
--std=gnu99 -Wl,-Bstatic,-T,firmware.lds,-Map,firmware.map,--strip-debug -lgcc
chmod -x firmware.elf
firmware.bin: firmware.elf
$(TOOLCHAIN_PREFIX)objcopy -O binary firmware.elf firmware.bin
chmod -x firmware.bin
firmware.hex: firmware.bin
python3 ../../firmware/makehex.py firmware.bin 128 > firmware.hex
synth.blif: example.v firmware.hex
yosys -v3 -l synth.log -p 'synth_ice40 -top top -blif synth.blif; write_verilog -attr2comment synth.v' ../../picorv32.v example.v
example.txt: synth.blif
arachne-pnr -d 8k -o example.txt -p example.pcf synth.blif
example.bin: example.txt
icepack example.txt example.bin
example_tb.exe: example_tb.v example.v firmware.hex
iverilog -o example_tb.exe -s testbench example.v example_tb.v ../../picorv32.v
chmod -x example_tb.exe
sim: example_tb.exe
vvp -N example_tb.exe # +vcd
prog_sram:
iceprog -S example.bin
clean:
rm -f firmware.elf firmware.map firmware.bin firmware.hex
rm -f synth.log synth.v synth.blif example.txt example.bin
rm -f example_tb.exe example.vcd
.PHONY: all sim prog_sram clean
|
