| 1 |
2 |
dinesha |
# SPDX-FileCopyrightText: 2020 Efabless Corporation
|
| 2 |
|
|
#
|
| 3 |
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
| 4 |
|
|
# you may not use this file except in compliance with the License.
|
| 5 |
|
|
# You may obtain a copy of the License at
|
| 6 |
|
|
#
|
| 7 |
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
| 8 |
|
|
#
|
| 9 |
|
|
# Unless required by applicable law or agreed to in writing, software
|
| 10 |
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
| 11 |
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| 12 |
|
|
# See the License for the specific language governing permissions and
|
| 13 |
|
|
# limitations under the License.
|
| 14 |
|
|
#
|
| 15 |
|
|
# SPDX-License-Identifier: Apache-2.0
|
| 16 |
|
|
|
| 17 |
|
|
## Caravel Pointers
|
| 18 |
|
|
CARAVEL_ROOT ?= ../../../caravel
|
| 19 |
|
|
CARAVEL_PATH ?= $(CARAVEL_ROOT)
|
| 20 |
|
|
CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel
|
| 21 |
|
|
CARAVEL_VERILOG_PATH = $(CARAVEL_PATH)/verilog
|
| 22 |
|
|
CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl
|
| 23 |
|
|
CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel
|
| 24 |
|
|
|
| 25 |
|
|
## User Project Pointers
|
| 26 |
|
|
UPRJ_VERILOG_PATH ?= ../../../verilog
|
| 27 |
|
|
UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl
|
| 28 |
|
|
UPRJ_BEHAVIOURAL_MODELS = ../
|
| 29 |
|
|
|
| 30 |
|
|
## RISCV GCC
|
| 31 |
|
|
GCC_PATH?=/ef/apps/bin
|
| 32 |
|
|
GCC_PREFIX?=riscv32-unknown-elf
|
| 33 |
|
|
PDK_PATH?=/ef/tech/SW/sky130A
|
| 34 |
|
|
|
| 35 |
|
|
## Simulation mode: RTL/GL
|
| 36 |
|
|
SIM?=RTL
|
| 37 |
|
|
|
| 38 |
|
|
.SUFFIXES:
|
| 39 |
|
|
|
| 40 |
|
|
PATTERN = mprj_stimulus
|
| 41 |
|
|
|
| 42 |
|
|
all: ${PATTERN:=.vcd}
|
| 43 |
|
|
|
| 44 |
|
|
hex: ${PATTERN:=.hex}
|
| 45 |
|
|
|
| 46 |
|
|
%.vvp: %_tb.v %.hex
|
| 47 |
|
|
ifeq ($(SIM),RTL)
|
| 48 |
|
|
iverilog -DFUNCTIONAL -DSIM -I $(PDK_PATH) \
|
| 49 |
|
|
-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \
|
| 50 |
|
|
-I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) \
|
| 51 |
|
|
$< -o $@
|
| 52 |
|
|
else
|
| 53 |
|
|
iverilog -DFUNCTIONAL -DSIM -DGL -I $(PDK_PATH) \
|
| 54 |
|
|
-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \
|
| 55 |
|
|
-I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \
|
| 56 |
|
|
$< -o $@
|
| 57 |
|
|
endif
|
| 58 |
|
|
|
| 59 |
|
|
%.vcd: %.vvp
|
| 60 |
|
|
vvp $<
|
| 61 |
|
|
|
| 62 |
|
|
%.elf: %.c $(CARAVEL_FIRMWARE_PATH)/sections.lds $(CARAVEL_FIRMWARE_PATH)/start.s
|
| 63 |
|
|
${GCC_PATH}/${GCC_PREFIX}-gcc -I $(CARAVEL_PATH) -march=rv32imc -mabi=ilp32 -Wl,-Bstatic,-T,$(CARAVEL_FIRMWARE_PATH)/sections.lds,--strip-debug -ffreestanding -nostdlib -o $@ $(CARAVEL_FIRMWARE_PATH)/start.s $<
|
| 64 |
|
|
|
| 65 |
|
|
%.hex: %.elf
|
| 66 |
|
|
${GCC_PATH}/${GCC_PREFIX}-objcopy -O verilog $< $@
|
| 67 |
|
|
# to fix flash base address
|
| 68 |
|
|
sed -i 's/@10000000/@00000000/g' $@
|
| 69 |
|
|
|
| 70 |
|
|
%.bin: %.elf
|
| 71 |
|
|
${GCC_PATH}/${GCC_PREFIX}-objcopy -O binary $< /dev/stdout | tail -c +1048577 > $@
|
| 72 |
|
|
|
| 73 |
|
|
# ---- Clean ----
|
| 74 |
|
|
|
| 75 |
|
|
clean:
|
| 76 |
|
|
rm -f *.elf *.hex *.bin *.vvp *.vcd *.log
|
| 77 |
|
|
|
| 78 |
|
|
.PHONY: clean hex all
|
