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Projet_SETI_RISC-V/neorv32/sw/common/common.mk

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#################################################################################################
# << NEORV32 - Application Makefile >> #
# ********************************************************************************************* #
# BSD 3-Clause License #
# #
# Copyright (c) 2023, Stephan Nolting. All rights reserved. #
# #
# Redistribution and use in source and binary forms, with or without modification, are #
# permitted provided that the following conditions are met: #
# #
# 1. Redistributions of source code must retain the above copyright notice, this list of #
# conditions and the following disclaimer. #
# #
# 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
# conditions and the following disclaimer in the documentation and/or other materials #
# provided with the distribution. #
# #
# 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
# endorse or promote products derived from this software without specific prior written #
# permission. #
# #
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
# OF THE POSSIBILITY OF SUCH DAMAGE. #
# ********************************************************************************************* #
# The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
#################################################################################################
# -----------------------------------------------------------------------------
# USER CONFIGURATION
# -----------------------------------------------------------------------------
# User's application sources (*.c, *.cpp, *.s, *.S); add additional files here
APP_SRC ?= $(wildcard ./*.c) $(wildcard ./*.s) $(wildcard ./*.cpp) $(wildcard ./*.S)
# User's application include folders (don't forget the '-I' before each entry)
APP_INC ?= -I .
# User's application include folders - for assembly files only (don't forget the '-I' before each entry)
ASM_INC ?= -I .
# Optimization
EFFORT ?= -Os
# Compiler toolchain
RISCV_PREFIX ?= riscv32-unknown-elf-
# CPU architecture and ABI
MARCH ?= rv32i
MABI ?= ilp32
# User flags for additional configuration (will be added to compiler flags)
USER_FLAGS ?=
# Relative or absolute path to the NEORV32 home folder
NEORV32_HOME ?= ../../..
NEORV32_LOCAL_RTL ?= $(NEORV32_HOME)/rtl
# -----------------------------------------------------------------------------
# NEORV32 framework
# -----------------------------------------------------------------------------
# Path to NEORV32 linker script and startup file
NEORV32_COM_PATH = $(NEORV32_HOME)/sw/common
# Path to main NEORV32 library include files
NEORV32_INC_PATH = $(NEORV32_HOME)/sw/lib/include
# Path to main NEORV32 library source files
NEORV32_SRC_PATH = $(NEORV32_HOME)/sw/lib/source
# Path to NEORV32 executable generator
NEORV32_EXG_PATH = $(NEORV32_HOME)/sw/image_gen
# Path to NEORV32 core rtl folder
NEORV32_RTL_PATH = $(NEORV32_LOCAL_RTL)/core
# Path to NEORV32 sim folder
NEORV32_SIM_PATH = $(NEORV32_HOME)/sim
# Marker file to check for NEORV32 home folder
NEORV32_HOME_MARKER = $(NEORV32_INC_PATH)/neorv32.h
# Core libraries (peripheral and CPU drivers)
CORE_SRC = $(wildcard $(NEORV32_SRC_PATH)/*.c)
# Application start-up code
CORE_SRC += $(NEORV32_COM_PATH)/crt0.S
# Linker script
LD_SCRIPT = $(NEORV32_COM_PATH)/neorv32.ld
# Main output files
APP_EXE = neorv32_exe.bin
APP_ELF = main.elf
APP_HEX = neorv32_raw_exe.hex
APP_BIN = neorv32_raw_exe.bin
APP_ASM = main.asm
APP_IMG = neorv32_application_image.vhd
BOOT_IMG = neorv32_bootloader_image.vhd
# -----------------------------------------------------------------------------
# Sources and objects
# -----------------------------------------------------------------------------
# Define all sources
SRC = $(APP_SRC)
SRC += $(CORE_SRC)
# Define all object files
OBJ = $(SRC:%=%.o)
# -----------------------------------------------------------------------------
# Tools and flags
# -----------------------------------------------------------------------------
# Compiler tools
CC = $(RISCV_PREFIX)gcc
OBJDUMP = $(RISCV_PREFIX)objdump
OBJCOPY = $(RISCV_PREFIX)objcopy
SIZE = $(RISCV_PREFIX)size
# Host native compiler
CC_X86 = gcc -Wall -O -g
# NEORV32 executable image generator
IMAGE_GEN = $(NEORV32_EXG_PATH)/image_gen
# Compiler & linker flags
CC_OPTS = -march=$(MARCH) -mabi=$(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -nostartfiles -mno-fdiv
CC_OPTS += -Wl,--gc-sections -lm -lc -lgcc -lc -g
CC_OPTS += $(USER_FLAGS)
# -----------------------------------------------------------------------------
# Application output definitions
# -----------------------------------------------------------------------------
.PHONY: check info help elf_info clean clean_all bootloader
.DEFAULT_GOAL := help
# 'compile' is still here for compatibility
asm: $(APP_ASM)
elf: $(APP_ELF)
exe: $(APP_EXE)
hex: $(APP_HEX)
bin: $(APP_BIN)
compile: $(APP_EXE)
image: $(APP_IMG)
install: image install-$(APP_IMG)
all: $(APP_ASM) $(APP_EXE) $(APP_IMG) install hex bin
# Check if making bootloader
# Use different base address and length for instruction memory/"rom" (BOOTROM instead of IMEM)
# Also define "make_bootloader" symbol for crt0.S, add debug symbols and use link-time optimization
target bootloader: CC_OPTS += -Wl,--defsym=make_bootloader=1 -Dmake_bootloader -g -flto
target bl_image: CC_OPTS += -Wl,--defsym=make_bootloader=1 -Dmake_bootloader -g -flto
# -----------------------------------------------------------------------------
# Image generator targets
# -----------------------------------------------------------------------------
# install/compile tools
$(IMAGE_GEN): $(NEORV32_EXG_PATH)/image_gen.c
@echo Compiling $(IMAGE_GEN)
@$(CC_X86) $< -o $(IMAGE_GEN)
# -----------------------------------------------------------------------------
# General targets: Assemble, compile, link, dump
# -----------------------------------------------------------------------------
# Compile app *.s sources (assembly)
%.s.o: %.s
@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(ASM_INC) $< -o $@
# Compile app *.S sources (assembly + C pre-processor)
%.S.o: %.S
@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(ASM_INC) $< -o $@
# Compile app *.c sources
%.c.o: %.c
@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
# Compile app *.cpp sources
%.cpp.o: %.cpp
@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
# Link object files and show memory utilization
$(APP_ELF): $(OBJ)
@$(CC) $(CC_OPTS) -T $(LD_SCRIPT) $(OBJ) -o $@ -lm
@echo "Memory utilization:"
@$(SIZE) $(APP_ELF)
# Assembly listing file (for debugging)
$(APP_ASM): $(APP_ELF)
@$(OBJDUMP) -d -S -z $< > $@
# Generate final executable from .text + .rodata + .data (in THIS order!)
main.bin: $(APP_ELF)
@$(OBJCOPY) -I elf32-little $< -j .text -O binary text.bin
@$(OBJCOPY) -I elf32-little $< -j .rodata -O binary rodata.bin
@$(OBJCOPY) -I elf32-little $< -j .data -O binary data.bin
@cat text.bin rodata.bin data.bin > $@
@rm -f text.bin rodata.bin data.bin
# -----------------------------------------------------------------------------
# Application targets: Generate executable formats
# -----------------------------------------------------------------------------
# Generate NEORV32 executable image for upload via bootloader
$(APP_EXE): main.bin $(IMAGE_GEN)
@set -e
@$(IMAGE_GEN) -app_bin $< $@ $(shell basename $(CURDIR))
@echo "Executable ($(APP_EXE)) size in bytes:"
@wc -c < $(APP_EXE)
# Generate NEORV32 executable VHDL boot image
$(APP_IMG): main.bin $(IMAGE_GEN)
@set -e
@$(IMAGE_GEN) -app_img $< $@ $(shell basename $(CURDIR))
# Install VHDL memory initialization file
install-$(APP_IMG): $(APP_IMG)
@set -e
@echo "Installing application image to $(NEORV32_RTL_PATH)/$(APP_IMG)"
@cp $(APP_IMG) $(NEORV32_RTL_PATH)/.
# Generate NEORV32 RAW executable image in plain hex format
$(APP_HEX): main.bin $(IMAGE_GEN)
@set -e
@$(IMAGE_GEN) -raw_hex $< $@ $(shell basename $(CURDIR))
# Generate NEORV32 RAW executable image in binary format
$(APP_BIN): main.bin $(IMAGE_GEN)
@set -e
@$(IMAGE_GEN) -raw_bin $< $@ $(shell basename $(CURDIR))
# -----------------------------------------------------------------------------
# Bootloader targets
# -----------------------------------------------------------------------------
# Create and install bootloader VHDL init image
$(BOOT_IMG): main.bin $(IMAGE_GEN)
@set -e
@$(IMAGE_GEN) -bld_img $< $(BOOT_IMG) $(shell basename $(CURDIR))
install-$(BOOT_IMG): $(BOOT_IMG)
@set -e
@echo "Installing bootloader image to $(NEORV32_RTL_PATH)/$(BOOT_IMG)"
@cp $(BOOT_IMG) $(NEORV32_RTL_PATH)/.
# Just an alias
bl_image: $(BOOT_IMG)
bootloader: bl_image install-$(BOOT_IMG)
# -----------------------------------------------------------------------------
# Check toolchain
# -----------------------------------------------------------------------------
check: $(IMAGE_GEN)
@echo "---------------- Check: NEORV32_HOME folder ----------------"
ifneq ($(shell [ -e $(NEORV32_HOME_MARKER) ] && echo 1 || echo 0 ), 1)
$(error NEORV32_HOME folder not found!)
endif
@echo "NEORV32_HOME: $(NEORV32_HOME)"
@echo "---------------- Check: Shell ----------------"
@echo ${SHELL}
@readlink -f ${SHELL}
@echo "---------------- Check: $(CC) ----------------"
@$(CC) -v
@echo "---------------- Check: $(OBJDUMP) ----------------"
@$(OBJDUMP) -V
@echo "---------------- Check: $(OBJCOPY) ----------------"
@$(OBJCOPY) -V
@echo "---------------- Check: $(SIZE) ----------------"
@$(SIZE) -V
@echo "---------------- Check: NEORV32 image_gen ----------------"
@$(IMAGE_GEN) -help
@echo "---------------- Check: Native GCC ----------------"
@$(CC_X86) -v
@echo
@echo "Toolchain check OK"
# -----------------------------------------------------------------------------
# In-console simulation using default/simple testbench and GHDL
# -----------------------------------------------------------------------------
sim: $(APP_IMG) install
@echo "Simulating $(APP_IMG)..."
@sh $(NEORV32_SIM_PATH)/simple/ghdl.sh
# -----------------------------------------------------------------------------
# Show final ELF details (just for debugging)
# -----------------------------------------------------------------------------
elf_info: $(APP_ELF)
@$(OBJDUMP) -x $(APP_ELF)
# -----------------------------------------------------------------------------
# Clean up
# -----------------------------------------------------------------------------
clean:
@rm -f *.elf *.o *.bin *.out *.asm *.vhd *.hex
clean_all: clean
@rm -f $(OBJ) $(IMAGE_GEN)
# -----------------------------------------------------------------------------
# Show configuration
# -----------------------------------------------------------------------------
info:
@echo "---------------- Info: Project ----------------"
@echo "Project folder: $(shell basename $(CURDIR))"
@echo "Source files: $(APP_SRC)"
@echo "Include folder(s): $(APP_INC)"
@echo "ASM include folder(s): $(ASM_INC)"
@echo "---------------- Info: NEORV32 ----------------"
@echo "NEORV32 home folder (NEORV32_HOME): $(NEORV32_HOME)"
@echo "IMAGE_GEN: $(IMAGE_GEN)"
@echo "Core source files:"
@echo "$(CORE_SRC)"
@echo "Core include folder:"
@echo "$(NEORV32_INC_PATH)"
@echo "---------------- Info: Objects ----------------"
@echo "Project object files:"
@echo "$(OBJ)"
@echo "---------------- Info: RISC-V CPU ----------------"
@echo "MARCH: $(MARCH)"
@echo "MABI: $(MABI)"
@echo "---------------- Info: Toolchain ----------------"
@echo "Toolchain: $(RISCV_TOLLCHAIN)"
@echo "CC: $(CC)"
@echo "OBJDUMP: $(OBJDUMP)"
@echo "OBJCOPY: $(OBJCOPY)"
@echo "SIZE: $(SIZE)"
@echo "---------------- Info: Compiler Configuration ----------------"
@$(CC) -v
@echo "---------------- Info: Compiler Libraries ----------------"
@echo "LIBGCC:"
@$(CC) -print-libgcc-file-name
@echo "SEARCH-DIRS:"
@$(CC) -print-search-dirs
@echo "---------------- Info: Flags ----------------"
@echo "USER_FLAGS: $(USER_FLAGS)"
@echo "CC_OPTS: $(CC_OPTS)"
@echo "---------------- Info: Host Native GCC Flags ----------------"
@echo "CC_X86: $(CC_X86)"
# -----------------------------------------------------------------------------
# Help
# -----------------------------------------------------------------------------
help:
@echo "<<< NEORV32 SW Application Makefile >>>"
@echo "Make sure to add the bin folder of RISC-V GCC to your PATH variable."
@echo ""
@echo "=== Targets ==="
@echo " help - show this text"
@echo " check - check toolchain"
@echo " info - show makefile/toolchain configuration"
@echo " asm - compile and generate <$(APP_ASM)> assembly listing file for manual debugging"
@echo " elf - compile and generate <$(APP_ELF)> ELF file"
@echo " exe - compile and generate <$(APP_EXE)> executable for upload via default bootloader (binary file, with header)"
@echo " bin - compile and generate <$(APP_BIN)> RAW executable file (binary file, no header)"
@echo " hex - compile and generate <$(APP_HEX)> RAW executable file (hex char file, no header)"
@echo " image - compile and generate VHDL IMEM boot image (for application, no header) in local folder"
@echo " install - compile, generate and install VHDL IMEM boot image (for application, no header)"
@echo " sim - in-console simulation using default/simple testbench and GHDL"
@echo " all - exe + install + hex + bin + asm"
@echo " elf_info - show ELF layout info"
@echo " clean - clean up project home folder"
@echo " clean_all - clean up whole project, core libraries and image generator"
@echo " bl_image - compile and generate VHDL BOOTROM boot image (for bootloader only, no header) in local folder"
@echo " bootloader - compile, generate and install VHDL BOOTROM boot image (for bootloader only, no header)"
@echo ""
@echo "=== Variables ==="
@echo " USER_FLAGS - Custom toolchain flags [append only]: \"$(USER_FLAGS)\""
@echo " EFFORT - Optimization level: \"$(EFFORT)\""
@echo " MARCH - Machine architecture: \"$(MARCH)\""
@echo " MABI - Machine binary interface: \"$(MABI)\""
@echo " APP_INC - C include folder(s) [append only]: \"$(APP_INC)\""
@echo " ASM_INC - ASM include folder(s) [append only]: \"$(ASM_INC)\""
@echo " RISCV_PREFIX - Toolchain prefix: \"$(RISCV_PREFIX)\""
@echo " NEORV32_HOME - NEORV32 home folder: \"$(NEORV32_HOME)\""
@echo ""
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