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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
PWDD := $(shell pwd)
BLOCKS := $(shell basename $(PWDD))
# ---- Include Partitioned Makefiles ----
DESIGNS?=../../..
CONFIG = caravel_user_project
TOOLS?=/opt/riscv32i/
########################################################
#include $(MCW_ROOT)/verilog/dv/make/env.makefile
########################################################
#######################################################################
## Global Environment Variables for local repo
#######################################################################
export PDK_PATH = $(PDK_ROOT)/sky130A
export VIP_PATH = $(CORE_VERILOG_PATH)/dv/vip
export FIRMWARE_PATH = $(CORE_VERILOG_PATH)/dv/firmware
#######################################################################
## Caravel Verilog for Integration Tests
#######################################################################
export CARAVEL_VERILOG_PATH ?= $(CARAVEL_ROOT)/verilog
export CORE_VERILOG_PATH ?= $(CARAVEL_ROOT)/mgmt_core_wrapper/verilog
export USER_PROJECT_VERILOG ?= $(DESIGNS)/verilog
export CARAVEL_PATH = $(CARAVEL_VERILOG_PATH)
export VERILOG_PATH = $(CORE_VERILOG_PATH)
#######################################################################
## Compiler Information
#######################################################################
export TOOLS ?= /opt/riscv32i
export GCC_PATH ?= $(TOOLS)/bin
GCC_PREFIX?=riscv32-unknown-elf
############## USER SPECIFIC DEFINE ##################
YIFIVE_FIRMWARE_PATH = $(USER_PROJECT_VERILOG)/dv/common/firmware
######################################################
########################################################
#include $(MCW_ROOT)/verilog/dv/make/var.makefile
########################################################
CPU=vexriscv
CPUFAMILY=riscv
CPUFLAGS=-march=rv32i -mabi=ilp32 -D__vexriscv__
CPUENDIANNESS=little
CLANG=0
######################################################
# include $(MCW_ROOT)/verilog/dv/make/cpu.makefile
######################################################
ifeq ($(CPU),picorv32)
LINKER_SCRIPT=$(FIRMWARE_PATH)/sections.lds
SOURCE_FILES=$(FIRMWARE_PATH)/start.s
VERILOG_FILES=
endif
ifeq ($(CPU),ibex)
LINKER_SCRIPT=$(FIRMWARE_PATH)/link_ibex.ld
SOURCE_FILES=$(FIRMWARE_PATH)/crt0_ibex.S $(FIRMWARE_PATH)/simple_system_common.c
# VERILOG_FILES=../ibex/*
VERILOG_FILES=
endif
ifeq ($(CPU),vexriscv)
# LINKER_SCRIPT=$(FIRMWARE_PATH)/sections_vexriscv.lds
# SOURCE_FILES=$(FIRMWARE_PATH)/start_caravel_vexriscv.s
LINKER_SCRIPT=$(FIRMWARE_PATH)/sections.lds
SOURCE_FILES=$(FIRMWARE_PATH)/crt0_vex.S $(FIRMWARE_PATH)/isr.c
VERILOG_FILES=
endif
#####################################################
#include $(MCW_ROOT)/verilog/dv/make/sim.makefile
######################################################
export IVERILOG_DUMPER = fst
# RTL/GL/GL_SDF
SIM?=RTL
DUMP?=OFF
RISC_CORE?=0
.SUFFIXES:
all: ${BLOCKS:=.vcd} ${BLOCKS:=.lst}
hex: ${BLOCKS:=.hex}
#.SUFFIXES:
##############################################################################
# Comiple firmeware
##############################################################################
%.elf: %.c $(LINKER_SCRIPT) $(SOURCE_FILES)
${GCC_PREFIX}-gcc -g \
-I$(FIRMWARE_PATH) \
-I$(VERILOG_PATH)/dv/generated \
-I$(VERILOG_PATH)/dv/ \
-I$(VERILOG_PATH)/common \
$(CPUFLAGS) \
-Wl,-Bstatic,-T,$(LINKER_SCRIPT),--strip-debug \
-ffreestanding -nostdlib -o $@ $(SOURCE_FILES) $<
%.lst: %.elf
${GCC_PREFIX}-objdump -d -S $< > $@
%.hex: %.elf %.lst
${GCC_PREFIX}-objcopy -O verilog $< $@
# to fix flash base address
sed -ie 's/@10/@00/g' $@
%.bin: %.elf
${GCC_PREFIX}-objcopy -O binary $< /dev/stdout | tail -c +1048577 > $@
##############################################################################
# Runing the simulations
##############################################################################
%.vvp: %_tb.v %.hex
${GCC_PREFIX}-gcc -O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las -D__RVC_EXT -static -std=gnu99 -fno-common -fno-builtin-printf -DTCM=0 -Wa,-march=rv32imc -march=rv32imc -mabi=ilp32 -DFLAGS_STR=\""-O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las "\" -c -I./ -I$(YIFIVE_FIRMWARE_PATH) user_uart.c -o user_uart.o
${GCC_PREFIX}-gcc -O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las -D__RVC_EXT -static -std=gnu99 -fno-common -fno-builtin-printf -DTCM=0 -Wa,-march=rv32imc -march=rv32imc -mabi=ilp32 -DFLAGS_STR=\""-O2 -funroll-loops -fpeel-loops -fgcse-sm -fgcse-las "\" -D__ASSEMBLY__=1 -c -I./ -I$(YIFIVE_FIRMWARE_PATH) $(YIFIVE_FIRMWARE_PATH)/crt.S -o crt.o
${GCC_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
${GCC_PREFIX}-objcopy -O verilog user_uart.elf user_uart.hex
${GCC_PREFIX}-objdump -D user_uart.elf > user_uart.dump
rm crt.o user_uart.o
## RTL
ifeq ($(SIM),RTL)
ifeq ($(DUMP),OFF)
iverilog -g2012 -Ttyp -DFUNCTIONAL -DSIM -DRISC_BOOT -DUSE_POWER_PINS -DUNIT_DELAY=#0.1 \
-f$(VERILOG_PATH)/includes/includes.rtl.caravel \
-f$(USER_PROJECT_VERILOG)/includes/includes.rtl.$(CONFIG) -o $@ $<
else
iverilog -g2012 -DWFDUMP -Ttyp -DFUNCTIONAL -DRISC_BOOT -DSIM -DUSE_POWER_PINS -DUNIT_DELAY=#0.1 \
-f$(VERILOG_PATH)/includes/includes.rtl.caravel \
-f$(USER_PROJECT_VERILOG)/includes/includes.rtl.$(CONFIG) -o $@ $<
endif
endif
##GL
ifeq ($(SIM),GL)
ifeq ($(DUMP),OFF)
iverilog -g2005-sv -Ttyp -DFUNCTIONAL -DGL -DRISC_BOOT -DUSE_POWER_PINS -DUNIT_DELAY=#0.1 \
-f$(VERILOG_PATH)/includes/includes.gl.caravel \
-f$(USER_PROJECT_VERILOG)/includes/includes.gl.$(CONFIG) -o $@ $<
else
iverilog -g2005-sv -Ttyp -DWFDUMP -DFUNCTIONAL -DRISC_BOOT -DGL -DUSE_POWER_PINS -DUNIT_DELAY=#0.1 \
-f$(VERILOG_PATH)/includes/includes.gl.caravel \
-f$(USER_PROJECT_VERILOG)/includes/includes.gl.$(CONFIG) -o $@ $<
endif
endif
## GL+SDF
ifeq ($(SIM),GL_SDF)
ifeq ($(CONFIG),caravel_user_project)
cvc64 +interp \
+define+SIM +define+FUNCTIONAL +define+GL +define+USE_POWER_PINS +define+UNIT_DELAY +define+ENABLE_SDF \
+change_port_type +dump2fst +fst+parallel2=on +nointeractive +notimingchecks +mipdopt \
-f $(VERILOG_PATH)/includes/includes.gl+sdf.caravel \
-f $(USER_PROJECT_VERILOG)/includes/includes.gl+sdf.$(CONFIG) $<
else
cvc64 +interp \
+define+SIM +define+FUNCTIONAL +define+GL +define+USE_POWER_PINS +define+UNIT_DELAY +define+ENABLE_SDF \
+change_port_type +dump2fst +fst+parallel2=on +nointeractive +notimingchecks +mipdopt \
-f $(VERILOG_PATH)/includes/includes.gl+sdf.$(CONFIG) \
-f $CARAVEL_PATH/gl/__user_project_wrapper.v $<
endif
endif
%.vcd: %.vvp
vvp $< +risc_core_id=$(RISC_CORE)
# twinwave: RTL-%.vcd GL-%.vcd
# twinwave RTL-$@ * + GL-$@ *
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_PREFIX)-gcc ))
$(error $(GCC_PREFIX)-gcc is not found, please export GCC_PATH and GCC_PREFIX before running make)
endif
# check for efabless style installation
ifeq (,$(wildcard $(PDK_ROOT)/sky130A/libs.ref/*/verilog))
SIM_DEFINES := ${SIM_DEFINES} -DEF_STYLE
endif
# ---- Clean ----
clean:
\rm -f *.elf *.hex *.bin *.vvp *.log *.vcd *.lst *.hexe *.dump
.PHONY: clean hex all