Line 34... |
Line 34... |
# The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
|
# The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
|
#################################################################################################
|
#################################################################################################
|
|
|
|
|
# *****************************************************************************
|
# *****************************************************************************
|
# USER CONFIGURATION
|
# USER CONFIGURATION (use default if not set by user)
|
# *****************************************************************************
|
# *****************************************************************************
|
# Compiler effort
|
# Compiler effort
|
EFFORT = -Os
|
EFFORT ?= -Os
|
|
|
# User's application sources (add additional files here)
|
# User's application sources (add additional files here)
|
APP_SRC = $(wildcard *.c)
|
APP_SRC ?= $(wildcard *.c)
|
|
|
# User's application include folders (don't forget the '-I' before each entry)
|
# User's application include folders (don't forget the '-I' before each entry)
|
APP_INC = -I .
|
APP_INC ?= -I .
|
|
|
# Compiler toolchain (use default if not set by user)
|
# Compiler toolchain
|
RISCV_TOOLCHAIN ?= riscv32-unknown-elf
|
RISCV_TOOLCHAIN ?= riscv32-unknown-elf
|
|
|
# CPU architecture and ABI
|
# CPU architecture and ABI
|
MARCH = -march=rv32i
|
MARCH ?= -march=rv32i
|
MABI = -mabi=ilp32
|
MABI ?= -mabi=ilp32
|
|
|
# Path to runtime c library (use default if not set by user)
|
# Relative or absolute path to the NEORV32 home folder
|
LIBC_PATH ?= $(dir $(shell which $(CC)))../$(RISCV_TOOLCHAIN)/lib/libc.a
|
|
LIBGCC_PATH ?= $(dir $(shell which $(CC)))../lib/gcc/$(RISCV_TOOLCHAIN)/*/libgcc.a
|
|
|
|
# Relative or absolute path to the NEORV32 home folder (use default if not set by user)
|
|
NEORV32_HOME ?= ../..
|
NEORV32_HOME ?= ../..
|
# *****************************************************************************
|
# *****************************************************************************
|
|
|
|
|
|
|
Line 80... |
Line 76... |
# Marker file to verify NEORV32 home folder
|
# Marker file to verify NEORV32 home folder
|
NEORV32_HOME_MARKER=$(NEORV32_INC_PATH)/neorv32.h
|
NEORV32_HOME_MARKER=$(NEORV32_INC_PATH)/neorv32.h
|
|
|
|
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# Add NEORV32 sources to input SRCs
|
# NEORV32 core sources
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
APP_SRC += $(wildcard $(NEORV32_SRC_PATH)/*.c)
|
CORE_SRC = $(wildcard $(NEORV32_SRC_PATH)/*.c)
|
|
|
|
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# Make defaults
|
# Make defaults
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
.SUFFIXES:
|
|
.PHONY: all
|
|
.DEFAULT_GOAL := help
|
.DEFAULT_GOAL := help
|
|
|
|
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# Application output definitions
|
# Application output definitions
|
Line 105... |
Line 99... |
install: $(APP_ASM) neorv32_application_image.vhd
|
install: $(APP_ASM) neorv32_application_image.vhd
|
all: $(APP_ASM) $(APP_EXE) neorv32_application_image.vhd
|
all: $(APP_ASM) $(APP_EXE) neorv32_application_image.vhd
|
|
|
# define all object files
|
# define all object files
|
OBJ = $(APP_SRC:.c=.o)
|
OBJ = $(APP_SRC:.c=.o)
|
|
OBJ += $(CORE_SRC:.c=.o)
|
|
|
|
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# Tools and flags
|
# Tools and flags
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# compiler tools
|
# compiler tools
|
CC = $(RISCV_TOOLCHAIN)-gcc
|
CC = $(RISCV_TOOLCHAIN)-gcc
|
LD = $(RISCV_TOOLCHAIN)-ld
|
|
OBJDUMP = $(RISCV_TOOLCHAIN)-objdump
|
OBJDUMP = $(RISCV_TOOLCHAIN)-objdump
|
OBJCOPY = $(RISCV_TOOLCHAIN)-objcopy
|
OBJCOPY = $(RISCV_TOOLCHAIN)-objcopy
|
SIZE = $(RISCV_TOOLCHAIN)-size
|
SIZE = $(RISCV_TOOLCHAIN)-size
|
|
|
# NEORV32 executable image generator
|
# NEORV32 executable image generator
|
IMAGE_GEN = $(NEORV32_EXG_PATH)/image_gen
|
IMAGE_GEN = $(NEORV32_EXG_PATH)/image_gen
|
|
|
# Compiler flags
|
# Compiler & linker flags
|
CC_OPTS = $(MARCH) $(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -lm
|
CC_OPTS = $(MARCH) $(MABI) $(EFFORT) -Wall -ffunction-sections -fdata-sections -nostartfiles
|
|
CC_OPTS += -Wl,--gc-sections -lm -lc -lgcc -lc
|
# Linker flags
|
|
LD_OPTS = $(EFFORT) --gc-sections
|
|
|
|
# User flags for additional config
|
# User flags for additional configuration
|
USER_FLAGS =
|
USER_FLAGS =
|
CC_OPTS += $(USER_FLAGS)
|
CC_OPTS += $(USER_FLAGS)
|
|
|
# Use embedded RISC-V CPU extension?
|
|
ifeq (,$(findstring rv32e,$(MARCH)))
|
|
CC_OPTS +=
|
|
else
|
|
CC_OPTS += -D__RISCV_EMBEDDED_CPU__
|
|
endif
|
|
|
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# Host native compiler
|
# Host native compiler
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
CC_X86 = gcc -Wall -O -g
|
CC_X86 = gcc -Wall -O -g
|
|
|
Line 165... |
Line 150... |
$(OBJ): %.o : %.c crt0.elf
|
$(OBJ): %.o : %.c crt0.elf
|
@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
|
@$(CC) -c $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) $< -o $@
|
|
|
# Link object files and show memory utilization
|
# Link object files and show memory utilization
|
main.elf: $(OBJ)
|
main.elf: $(OBJ)
|
@$(LD) $(LD_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/neorv32.ld $(OBJ) $(LIBC_PATH) $(LIBGCC_PATH) -o $@
|
@$(CC) $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/neorv32.ld $(OBJ) -o $@
|
@echo "Memory utilization:"
|
@echo "Memory utilization:"
|
@$(SIZE) main.elf
|
@$(SIZE) main.elf
|
|
|
# Assembly listing file (for debugging)
|
# Assembly listing file (for debugging)
|
$(APP_ASM): main.elf
|
$(APP_ASM): main.elf
|
Line 211... |
Line 196... |
@$(CC) $(CC_OPTS) -c $< -o $@
|
@$(CC) $(CC_OPTS) -c $< -o $@
|
|
|
# Compile and install bootloader
|
# Compile and install bootloader
|
bootloader: bootloader_crt0.elf $(OBJ) $(IMAGE_GEN)
|
bootloader: bootloader_crt0.elf $(OBJ) $(IMAGE_GEN)
|
@set -e
|
@set -e
|
@$(LD) $(LD_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/bootloader_neorv32.ld $(OBJ) $(LIBC_PATH) $(LIBGCC_PATH) -o bootloader.elf
|
@$(CC) $(CC_OPTS) -I $(NEORV32_INC_PATH) $(APP_INC) -T $(NEORV32_COM_PATH)/bootloader_neorv32.ld $(OBJ) -o bootloader.elf
|
@echo "Memory utilization:"
|
@echo "Memory utilization:"
|
@$(SIZE) bootloader.elf
|
@$(SIZE) bootloader.elf
|
@$(OBJDUMP) -D -S -z bootloader.elf > bootloader.s
|
@$(OBJDUMP) -D -S -z bootloader.elf > bootloader.s
|
@$(OBJCOPY) -I elf32-little bootloader.elf -j .text -O binary text.bin
|
@$(OBJCOPY) -I elf32-little bootloader.elf -j .text -O binary text.bin
|
@$(OBJCOPY) -I elf32-little bootloader.elf -j .rodata -O binary rodata.bin
|
@$(OBJCOPY) -I elf32-little bootloader.elf -j .rodata -O binary rodata.bin
|
Line 236... |
Line 221... |
$(error NEORV32_HOME folder not found!)
|
$(error NEORV32_HOME folder not found!)
|
endif
|
endif
|
@echo "NEORV32_HOME: $(NEORV32_HOME)"
|
@echo "NEORV32_HOME: $(NEORV32_HOME)"
|
@echo "---------------- Check: $(CC) ----------------"
|
@echo "---------------- Check: $(CC) ----------------"
|
@$(CC) -v
|
@$(CC) -v
|
@echo "---------------- Check: $(LD) ----------------"
|
|
@$(LD) -V
|
|
@echo "---------------- Check: $(OBJDUMP) ----------------"
|
@echo "---------------- Check: $(OBJDUMP) ----------------"
|
@$(OBJDUMP) -V
|
@$(OBJDUMP) -V
|
@echo "---------------- Check: $(OBJCOPY) ----------------"
|
@echo "---------------- Check: $(OBJCOPY) ----------------"
|
@$(OBJCOPY) -V
|
@$(OBJCOPY) -V
|
@echo "---------------- Check: $(SIZE) ----------------"
|
@echo "---------------- Check: $(SIZE) ----------------"
|
@$(SIZE) -V
|
@$(SIZE) -V
|
@echo "---------------- Check: NEORV32 image_gen ----------------"
|
@echo "---------------- Check: NEORV32 image_gen ----------------"
|
@$(IMAGE_GEN) -help
|
@$(IMAGE_GEN) -help
|
@echo "---------------- Check: native gcc ----------------"
|
@echo "---------------- Check: Native GCC ----------------"
|
@$(CC_X86) -v
|
@$(CC_X86) -v
|
@echo
|
@echo
|
@echo "Toolchain check OK"
|
@echo "Toolchain check OK"
|
|
|
|
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# Show configuration
|
# Show configuration
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
info:
|
info:
|
@echo "---------------- Info: Project ----------------"
|
@echo "---------------- Info: Project ----------------"
|
@echo "Project: $(shell basename $(CURDIR))"
|
@echo "Project folder: $(shell basename $(CURDIR))"
|
@echo "Project source files: $(APP_SRC)"
|
@echo "Source files: $(APP_SRC)"
|
@echo "Project include folders: $(NEORV32_INC_PATH) $(APP_INC)"
|
@echo "Include folder(s): $(APP_INC)"
|
@echo "Project object files: $(OBJ)"
|
|
@echo "---------------- Info: NEORV32 ----------------"
|
@echo "---------------- Info: NEORV32 ----------------"
|
@echo "NEORV32 home folder (NEORV32_HOME): $(NEORV32_HOME)"
|
@echo "NEORV32 home folder (NEORV32_HOME): $(NEORV32_HOME)"
|
@echo "IMAGE_GEN: $(IMAGE_GEN)"
|
@echo "IMAGE_GEN: $(IMAGE_GEN)"
|
|
@echo "Core source files:"
|
|
@echo "$(CORE_SRC)"
|
|
@echo "Core include folder:"
|
|
@echo "$(NEORV32_INC_PATH)"
|
|
@echo "Project object files:"
|
|
@echo "$(OBJ)"
|
@echo "---------------- Info: RISC-V CPU ----------------"
|
@echo "---------------- Info: RISC-V CPU ----------------"
|
@echo "MARCH: $(MARCH)"
|
@echo "MARCH: $(MARCH)"
|
@echo "MABI: $(MABI)"
|
@echo "MABI: $(MABI)"
|
@echo "---------------- Info: RISC-V Toolchain ----------------"
|
@echo "---------------- Info: RISC-V Toolchain ----------------"
|
@echo "Toolchain: $(RISCV_TOLLCHAIN)"
|
@echo "Toolchain: $(RISCV_TOLLCHAIN)"
|
@echo "CC: $(CC)"
|
@echo "CC: $(CC)"
|
@echo "LD: $(LD)"
|
|
@echo "OBJDUMP: $(OBJDUMP)"
|
@echo "OBJDUMP: $(OBJDUMP)"
|
@echo "OBJCOPY: $(OBJCOPY)"
|
@echo "OBJCOPY: $(OBJCOPY)"
|
@echo "SIZE: $(SIZE)"
|
@echo "SIZE: $(SIZE)"
|
@echo "---------------- Info: C Lib ----------------"
|
@echo "---------------- Info: Libraries ----------------"
|
@echo "CLIB: $(LIBC_PATH)"
|
@echo "LIBGCC:"
|
@echo "GCCLIB: $(LIBGCC_PATH)"
|
@$(CC) -print-libgcc-file-name
|
|
@echo "SEARCH-DIRS:"
|
|
@$(CC) -print-search-dirs
|
@echo "---------------- Info: Flags ----------------"
|
@echo "---------------- Info: Flags ----------------"
|
@echo "CC_OPTS: $(CC_OPTS)"
|
@echo "CC_OPTS: $(CC_OPTS)"
|
@echo "LD_OPTS: $(LD_OPTS)"
|
@echo "---------------- Info: Host Native GCC Flags ----------------"
|
@echo "---------------- Info: Host Native GCC ----------------"
|
|
@echo "CC_X86: $(CC_X86)"
|
@echo "CC_X86: $(CC_X86)"
|
|
|
|
|
# -----------------------------------------------------------------------------
|
# -----------------------------------------------------------------------------
|
# Show final ELF details (just for debugging)
|
# Show final ELF details (just for debugging)
|