293 lines
12 KiB
Makefile
293 lines
12 KiB
Makefile
#################################################################################################
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# << NEORV32 - Application Makefile >> #
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# ********************************************************************************************* #
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# Make sure to add the RISC-V GCC compiler's bin folder to your PATH environment variable. #
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# ********************************************************************************************* #
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# FOR DEBUGGER "PARK LOOP" CODE ONLY! #
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# ********************************************************************************************* #
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# BSD 3-Clause License #
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# #
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# Copyright (c) 2022, Stephan Nolting. All rights reserved. #
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# #
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# Redistribution and use in source and binary forms, with or without modification, are #
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# permitted provided that the following conditions are met: #
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# #
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# 1. Redistributions of source code must retain the above copyright notice, this list of #
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# conditions and the following disclaimer. #
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# #
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# 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
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# conditions and the following disclaimer in the documentation and/or other materials #
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# provided with the distribution. #
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# #
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# 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
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# endorse or promote products derived from this software without specific prior written #
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# permission. #
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# #
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
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# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
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# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
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# OF THE POSSIBILITY OF SUCH DAMAGE. #
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# ********************************************************************************************* #
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# The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
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#################################################################################################
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# *****************************************************************************
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# USER CONFIGURATION
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# *****************************************************************************
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# User's application sources (*.c, *.cpp, *.s, *.S); add additional files here
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APP_SRC ?= $(wildcard ./*.S)
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# User's application include folders (don't forget the '-I' before each entry)
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APP_INC ?= -I .
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# User's application include folders - for assembly files only (don't forget the '-I' before each entry)
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ASM_INC ?= -I .
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# Optimization
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EFFORT ?= -Os
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# Compiler toolchain
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RISCV_PREFIX ?= riscv32-unknown-elf-
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# CPU architecture and ABI
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MARCH = rv32i
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MABI = ilp32
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# User flags for additional configuration (will be added to compiler flags)
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USER_FLAGS ?=
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# Relative or absolute path to the NEORV32 home folder
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NEORV32_HOME ?= ../..
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# *****************************************************************************
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# -----------------------------------------------------------------------------
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# NEORV32 framework
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# -----------------------------------------------------------------------------
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# Path to NEORV32 linker script and startup file
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NEORV32_COM_PATH = $(NEORV32_HOME)/sw/common
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# Path to main NEORV32 library include files
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NEORV32_INC_PATH = $(NEORV32_HOME)/sw/lib/include
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# Path to main NEORV32 library source files
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NEORV32_SRC_PATH = $(NEORV32_HOME)/sw/lib/source
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# Path to NEORV32 executable generator
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NEORV32_EXG_PATH = $(NEORV32_HOME)/sw/image_gen
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# Path to NEORV32 core rtl folder
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NEORV32_RTL_PATH = $(NEORV32_HOME)/rtl/core
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# Marker file to check for NEORV32 home folder
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NEORV32_HOME_MARKER = $(NEORV32_INC_PATH)/neorv32.h
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# Linker script
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LD_SCRIPT = ./debug_rom.ld
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# Main output files
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APP_ASM = main.asm
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APP_IMG = neorv32_debug_mem.code.vhd
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# -----------------------------------------------------------------------------
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# Sources and objects
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# -----------------------------------------------------------------------------
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# Define all sources
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SRC = $(APP_SRC)
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# Define all object files
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OBJ = $(SRC:%=%.o)
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# -----------------------------------------------------------------------------
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# Tools and flags
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# -----------------------------------------------------------------------------
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# Compiler tools
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CC = $(RISCV_PREFIX)gcc
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OBJDUMP = $(RISCV_PREFIX)objdump
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OBJCOPY = $(RISCV_PREFIX)objcopy
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SIZE = $(RISCV_PREFIX)size
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# Host native compiler
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CC_X86 = gcc -Wall -O -g
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# NEORV32 executable image generator
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IMAGE_GEN = $(NEORV32_EXG_PATH)/image_gen
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# Compiler & linker flags
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CC_OPTS = -march=$(MARCH) -mabi=$(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -nostartfiles -mno-fdiv
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CC_OPTS += -Wl,--gc-sections -lm -lc -lgcc -lc
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CC_OPTS += $(USER_FLAGS)
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# -----------------------------------------------------------------------------
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# Application output definitions
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# -----------------------------------------------------------------------------
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.PHONY: check info help elf_info clean clean_all bootloader
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.DEFAULT_GOAL := help
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# 'compile' is still here for compatibility
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compile: $(APP_ASM)
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install: $(APP_ASM) $(APP_IMG)
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all: $(APP_ASM) $(APP_IMG)
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# Check if making bootloader
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# Use different base address and legth for instruction memory/"rom" (BOOTMEM instead of IMEM)
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# Also define "make_bootloader" for crt0.S
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target bootloader: CC_OPTS += -Wl,--defsym=make_bootloader=1 -Dmake_bootloader
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# -----------------------------------------------------------------------------
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# Image generator targets
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# -----------------------------------------------------------------------------
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# install/compile tools
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$(IMAGE_GEN): $(NEORV32_EXG_PATH)/image_gen.c
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@echo Compiling $(IMAGE_GEN)
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@$(CC_X86) $< -o $(IMAGE_GEN)
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# -----------------------------------------------------------------------------
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# General targets: Assemble, compile, link, dump
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# -----------------------------------------------------------------------------
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# Compile app *.s sources (assembly)
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%.s.o: %.s
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@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(ASM_INC) $< -o $@
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# Compile app *.S sources (assembly + C pre-processor)
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%.S.o: %.S
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@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(ASM_INC) $< -o $@
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# Compile app *.c sources
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%.c.o: %.c
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@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
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# Compile app *.cpp sources
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%.cpp.o: %.cpp
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@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
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# Link object files and show memory utilization
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main.elf: $(OBJ)
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@$(CC) $(CC_OPTS) -T $(LD_SCRIPT) $(OBJ) -o $@ -lm
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@echo "Memory utilization:"
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@$(SIZE) main.elf
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# Assembly listing file (for debugging)
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$(APP_ASM): main.elf
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@$(OBJDUMP) -d -S -z $< > $@
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# Generate final executable from .text only
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main.bin: main.elf $(APP_ASM)
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@$(OBJCOPY) -I elf32-little $< -j .text -O binary text.bin
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@cat text.bin > $@
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@rm -f text.bin
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# -----------------------------------------------------------------------------
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# Application targets: install (as VHDL file)
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# -----------------------------------------------------------------------------
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# Generate NEORV32 executable VHDL boot image
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$(APP_IMG): main.bin $(IMAGE_GEN)
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@set -e
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@$(IMAGE_GEN) -app_img $< $@ $(shell basename $(CURDIR))
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# -----------------------------------------------------------------------------
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# Check toolchain
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# -----------------------------------------------------------------------------
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check: $(IMAGE_GEN)
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@echo "---------------- Check: NEORV32_HOME folder ----------------"
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ifneq ($(shell [ -e $(NEORV32_HOME_MARKER) ] && echo 1 || echo 0 ), 1)
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$(error NEORV32_HOME folder not found!)
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endif
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@echo "NEORV32_HOME: $(NEORV32_HOME)"
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@echo "---------------- Check: $(CC) ----------------"
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@$(CC) -v
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@echo "---------------- Check: $(OBJDUMP) ----------------"
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@$(OBJDUMP) -V
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@echo "---------------- Check: $(OBJCOPY) ----------------"
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@$(OBJCOPY) -V
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@echo "---------------- Check: $(SIZE) ----------------"
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@$(SIZE) -V
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@echo "---------------- Check: NEORV32 image_gen ----------------"
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@$(IMAGE_GEN) -help
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@echo "---------------- Check: Native GCC ----------------"
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@$(CC_X86) -v
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@echo
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@echo "Toolchain check OK"
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# -----------------------------------------------------------------------------
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# Show configuration
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# -----------------------------------------------------------------------------
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info:
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@echo "---------------- Info: Project ----------------"
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@echo "Project folder: $(shell basename $(CURDIR))"
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@echo "Source files: $(APP_SRC)"
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@echo "Include folder(s): $(APP_INC)"
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@echo "ASM include folder(s): $(ASM_INC)"
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@echo "---------------- Info: NEORV32 ----------------"
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@echo "NEORV32 home folder (NEORV32_HOME): $(NEORV32_HOME)"
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@echo "IMAGE_GEN: $(IMAGE_GEN)"
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@echo "Core source files:"
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@echo "$(CORE_SRC)"
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@echo "Core include folder:"
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@echo "$(NEORV32_INC_PATH)"
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@echo "---------------- Info: Objects ----------------"
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@echo "Project object files:"
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@echo "$(OBJ)"
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@echo "---------------- Info: RISC-V CPU ----------------"
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@echo "MARCH: $(MARCH)"
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@echo "MABI: $(MABI)"
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@echo "---------------- Info: Toolchain ----------------"
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@echo "Toolchain: $(RISCV_TOLLCHAIN)"
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@echo "CC: $(CC)"
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@echo "OBJDUMP: $(OBJDUMP)"
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@echo "OBJCOPY: $(OBJCOPY)"
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@echo "SIZE: $(SIZE)"
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@echo "---------------- Info: Compiler Libraries ----------------"
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@echo "LIBGCC:"
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@$(CC) -print-libgcc-file-name
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@echo "SEARCH-DIRS:"
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@$(CC) -print-search-dirs
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@echo "---------------- Info: Flags ----------------"
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@echo "USER_FLAGS: $(USER_FLAGS)"
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@echo "CC_OPTS: $(CC_OPTS)"
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@echo "---------------- Info: Host Native GCC Flags ----------------"
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@echo "CC_X86: $(CC_X86)"
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# -----------------------------------------------------------------------------
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# Show final ELF details (just for debugging)
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# -----------------------------------------------------------------------------
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elf_info: main.elf
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@$(OBJDUMP) -x main.elf
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# -----------------------------------------------------------------------------
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# Help
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# -----------------------------------------------------------------------------
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help:
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@echo "<<< NEORV32 Application Makefile >>>"
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@echo "Make sure to add the bin folder of RISC-V GCC to your PATH variable."
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@echo "Targets:"
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@echo " help - show this text"
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@echo " check - check toolchain"
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@echo " info - show makefile/toolchain configuration"
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@echo " exe - compile and generate <neorv32_exe.bin> executable for upload via bootloader"
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@echo " all - compile and generate <neorv32_exe.bin> executable for upload via bootloader and generate and install VHDL IMEM boot image (for application)"
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@echo " clean - clean up project"
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@echo " clean_all - clean up project, core libraries and image generator"
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# -----------------------------------------------------------------------------
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# Clean up
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# -----------------------------------------------------------------------------
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clean:
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@rm -f *.elf *.o *.bin *.out *.asm *.vhd
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clean_all: clean
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@rm -f $(OBJ) $(IMAGE_GEN)
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