| # SPDX-FileCopyrightText: 2020 Efabless Corporation |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| FIRMWARE_PATH = ../.. |
| VERILOG_PATH = ../../../.. |
| RTL_PATH = $(VERILOG_PATH)/rtl |
| IP_PATH = ../../../../ip |
| BEHAVIOURAL_MODELS = ../../ |
| |
| GCC_PATH?=/ef/apps/bin |
| GCC_PREFIX?=riscv32-unknown-elf |
| PDK_PATH?=$(PDK_ROOT)/sky130A |
| |
| SIM_DEFINES = -DFUNCTIONAL -DSIM |
| |
| SIM?=RTL |
| |
| .SUFFIXES: |
| |
| PATTERN = pll |
| |
| all: ${PATTERN:=.vcd} |
| |
| hex: ${PATTERN:=.hex} |
| |
| %.vvp: %_tb.v %.hex |
| iverilog -Ttyp $(SIM_DEFINES) -I $(BEHAVIOURAL_MODELS) \ |
| -I $(PDK_PATH) -I $(IP_PATH) -I $(RTL_PATH) \ |
| $< -o $@ |
| |
| %.vcd: %.vvp check-env |
| vvp $< |
| |
| %.elf: %.c $(FIRMWARE_PATH)/sections.lds $(FIRMWARE_PATH)/start.s |
| ${GCC_PATH}/${GCC_PREFIX}-gcc -march=rv32imc -mabi=ilp32 -Wl,-Bstatic,-T,$(FIRMWARE_PATH)/sections.lds,--strip-debug -ffreestanding -nostdlib -o $@ $(FIRMWARE_PATH)/start.s $< |
| |
| %.hex: %.elf |
| ${GCC_PATH}/${GCC_PREFIX}-objcopy -O verilog $< $@ |
| # to fix flash base address |
| sed -i 's/@10000000/@00000000/g' $@ |
| |
| %.bin: %.elf |
| ${GCC_PATH}/${GCC_PREFIX}-objcopy -O binary $< /dev/stdout | tail -c +1048577 > $@ |
| |
| check-env: |
| ifndef PDK_ROOT |
| $(error PDK_ROOT is undefined, please export it before running make) |
| endif |
| ifeq (,$(wildcard $(PDK_ROOT)/sky130A)) |
| $(error $(PDK_ROOT)/sky130A not found, please install pdk before running make) |
| endif |
| ifeq (,$(wildcard $(GCC_PATH)/$(GCC_PREFIX)-gcc )) |
| $(error $(GCC_PATH)/$(GCC_PREFIX)-gcc is not found, please export GCC_PATH and GCC_PREFIX before running make) |
| endif |
| # check for efabless style installation |
| ifeq (,$(wildcard $(PDK_ROOT)/sky130A/libs.ref/*/verilog)) |
| SIM_DEFINES := ${SIM_DEFINES} -DEF_STYLE |
| endif |
| |
| # ---- Clean ---- |
| |
| clean: |
| rm -f *.elf *.hex *.bin *.vvp *.vcd *.log |
| |
| .PHONY: clean hex all |
| |
