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# 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
## PDK
PDK_PATH = $(PDK_ROOT)/sky130A
## Caravel Pointers
CARAVEL_ROOT ?= ../../../caravel
CARAVEL_PATH ?= $(CARAVEL_ROOT)
CARAVEL_FIRMWARE_PATH = $(CARAVEL_PATH)/verilog/dv/caravel
CARAVEL_VERILOG_PATH = $(CARAVEL_PATH)/verilog
CARAVEL_RTL_PATH = $(CARAVEL_VERILOG_PATH)/rtl
CARAVEL_BEHAVIOURAL_MODELS = $(CARAVEL_VERILOG_PATH)/dv/caravel
## User Project Pointers
UPRJ_VERILOG_PATH ?= ../../../verilog
UPRJ_RTL_PATH = $(UPRJ_VERILOG_PATH)/rtl
UPRJ_BEHAVIOURAL_MODELS = ../model
UPRJ_BEHAVIOURAL_AGENTS = ../agents
UPRJ_INCLUDE_PATH1 = $(UPRJ_RTL_PATH)/yifive/ycr1c/src/includes
UPRJ_INCLUDE_PATH2 = $(UPRJ_RTL_PATH)/sdram_ctrl/src/defs
UPRJ_INCLUDE_PATH3 = $(UPRJ_RTL_PATH)/i2cm/src/includes
UPRJ_INCLUDE_PATH4 = $(UPRJ_RTL_PATH)/usb1_host/src/includes
UPRJ_INCLUDE_PATH5 = $(UPRJ_RTL_PATH)/mbist/include
## YIFIVE FIRMWARE
YIFIVE_FIRMWARE_PATH = $(UPRJ_VERILOG_PATH)/dv/firmware
## RISCV GCC
GCC_PATH?=/ef/apps/bin
GCC_PREFIX?=riscv32-unknown-elf
GCC64_PREFIX?=riscv64-unknown-elf
## Simulation mode: RTL/GL
SIM_DEFINES = -DFUNCTIONAL -DSIM
SIM?=RTL
DUMP?=OFF
.SUFFIXES:
PATTERN = risc_boot
all: ${PATTERN:=.vcd}
hex: ${PATTERN:=.hex}
vvp: ${PATTERN:=.vvp}
%.vvp: %_tb.v %.hex
${GCC64_PREFIX}-gcc -O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las -D__RVC_EXT -static -std=gnu99 -fno-common -fno-builtin-printf -DTCM=0 -Wa,-march=rv32imc -march=rv32imc -mabi=ilp32 -DFLAGS_STR=\""-O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las "\" -c -I./ -I$(YIFIVE_FIRMWARE_PATH) user_uart.c -o user_uart.o
${GCC64_PREFIX}-gcc -O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las -D__RVC_EXT -static -std=gnu99 -fno-common -fno-builtin-printf -DTCM=0 -Wa,-march=rv32imc -march=rv32imc -mabi=ilp32 -DFLAGS_STR=\""-O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las "\" -D__ASSEMBLY__=1 -c -I./ -I$(YIFIVE_FIRMWARE_PATH) $(YIFIVE_FIRMWARE_PATH)/crt.S -o crt.o
${GCC64_PREFIX}-gcc -march=rv32imc -mabi=ilp32 -T $(YIFIVE_FIRMWARE_PATH)/link.ld user_uart.o crt.o -nostartfiles -nostdlib -lc -lgcc -o user_uart.elf -N
${GCC64_PREFIX}-objcopy -O verilog user_uart.elf user_uart.hex
${GCC64_PREFIX}-objdump -D user_uart.elf > user_uart.dump
rm crt.o user_uart.o
ifeq ($(SIM),RTL)
ifeq ($(DUMP),OFF)
iverilog -g2012 -DFUNCTIONAL -DSIM -I $(PDK_PATH) \
-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \
-I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \
-I $(UPRJ_BEHAVIOURAL_AGENTS) \
-I $(UPRJ_INCLUDE_PATH1) -I $(UPRJ_INCLUDE_PATH2) -I $(UPRJ_INCLUDE_PATH3) \
-I $(UPRJ_INCLUDE_PATH4) -I $(UPRJ_INCLUDE_PATH5) \
$< -o $@
else
iverilog -g2012 -DWFDUMP -DFUNCTIONAL -DSIM -I $(PDK_PATH) \
-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) \
-I $(UPRJ_BEHAVIOURAL_MODELS) -I $(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \
-I $(UPRJ_BEHAVIOURAL_AGENTS) \
-I $(UPRJ_INCLUDE_PATH1) -I $(UPRJ_INCLUDE_PATH2) -I $(UPRJ_INCLUDE_PATH3) \
-I $(UPRJ_INCLUDE_PATH4) -I $(UPRJ_INCLUDE_PATH5) \
$< -o $@
endif
else
iverilog $(SIM_DEFINES) -DGL -I $(PDK_PATH) \
-I $(CARAVEL_BEHAVIOURAL_MODELS) -I $(CARAVEL_RTL_PATH) -I $(CARAVEL_VERILOG_PATH) \
-I $(UPRJ_BEHAVIOURAL_MODELS) -I$(UPRJ_RTL_PATH) -I $(UPRJ_VERILOG_PATH) \
-I $(UPRJ_BEHAVIOURAL_AGENTS) \
$< -o $@
endif
%.vcd: %.vvp
vvp $<
%.elf: %.c $(CARAVEL_FIRMWARE_PATH)/sections.lds $(CARAVEL_FIRMWARE_PATH)/start.s
${GCC64_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 $<
%.hex: %.elf
${GCC64_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 > $@
# ---- Clean ----
clean:
rm -f *.elf *.hex *.bin *.vvp *.vcd *.log *.dump
.PHONY: clean hex all