makefile

nios中自定义指令集实现三角函数的软件部分。

#------------------------------------------------------------------------------
#              VARIABLES APPENDED TO BY INCLUDED MAKEFILE FRAGMENTS
#------------------------------------------------------------------------------

# List of include directories for -I compiler option (-I added when used).
# Includes the BSP.
ALT_INCLUDE_DIRS :=

# List of library directories for -L linker option (-L added when used).
# Includes the BSP.
ALT_LIBRARY_DIRS :=

# List of library names for -l linker option (-l added when used).
# Includes the BSP.
ALT_LIBRARY_NAMES :=

# List of library names for -msys-lib linker option (-msys-lib added when used).
# These are libraries that might be located in the BSP and depend on the BSP
# library, or vice versa
ALT_BSP_DEP_LIBRARY_NAMES :=

# List of dependencies for the linker.  This is usually the full pathname
# of each library (*.a) file.
# Includes the BSP.
ALT_LDDEPS :=

# List of root library directories that support running make to build them.
# Includes the BSP and any ALT libraries.
MAKEABLE_LIBRARY_ROOT_DIRS :=

# Generic flags passed to the compiler for different types of input files.
ALT_CFLAGS :=
ALT_CXXFLAGS :=
ALT_CPPFLAGS :=
ALT_ASFLAGS :=
ALT_LDFLAGS :=

#------------------------------------------------------------------------------
#                                 TOOLS
#------------------------------------------------------------------------------
CC      := nios2-elf-gcc -xc
CXX     := nios2-elf-gcc -xc++
AS      := nios2-elf-gcc
AR      := nios2-elf-ar
LD      := nios2-elf-g++
NM      := nios2-elf-nm
RM      := rm -f
OBJDUMP := nios2-elf-objdump
OBJCOPY := nios2-elf-objcopy
STACKREPORT := nios2-stackreport
DOWNLOAD := nios2-download
FLASHPROG := nios2-flash-programmer

#------------------------------------------------------------------------------
#                           DEFAULT TARGET
#------------------------------------------------------------------------------

# Put "all" rule before included makefile fragments because they may
# define rules and we don't want one of those to become the default rule.
.PHONY : all
all : build_pre_process libs app build_post_process 

#vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
#                           GENERATED SETTINGS START                         v
#vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv

#START GENERATED

# Define path to the application ELF. 
# It may be used by the makefile fragments so is defined before including them. 
# 
ELF := validation.elf

# Paths to C, C++, and assembly source files.
C_SRCS += hardware_routines.c
C_SRCS += main.c
CXX_SRCS :=
ASM_SRCS :=

# Path to root of object file tree.
OBJ_ROOT_DIR := obj

# Options to control objdump.
CREATE_OBJDUMP := 1
OBJDUMP_INCLUDE_SOURCE := 0
OBJDUMP_FULL_CONTENTS := 0

# Options to enable/disable optional files.
CREATE_ELF_DERIVED_FILES := 0
CREATE_LINKER_MAP := 1

# Common arguments for ALT_CFLAGSs
APP_CFLAGS_DEFINED_SYMBOLS := -DALT_DEBUG
APP_CFLAGS_UNDEFINED_SYMBOLS :=
APP_CFLAGS_OPTIMIZATION := -O3
APP_CFLAGS_DEBUG_LEVEL := -g
APP_CFLAGS_WARNINGS := -Wall
APP_CFLAGS_USER_FLAGS := -mcustom-fwrx=0xF -mcustom-fwry=0xE -mcustom-frdxlo=0xC -mcustom-frdxhi=0xD -mcustom-frdy=0xB -mcustom-faddd=0xA -mcustom-fsubd=0x9 -mcustom-fmuld=0x8 -mcustom-fdivd=0x7 -mcustom-fadds=0x6 -mcustom-fsubs=0x5 -mcustom-fmuls=0x4 -mcustom-fdivs=0x3 -mcustom-ftruncds=0x1B -mcustom-fextsd=0x1A -mcustom-fixdu=0x19 -mcustom-fixdi=0x18 -mcustom-floatud=0x17 -mcustom-floatid=0x16 -mcustom-fcmpned=0x15 -mcustom-fcmpeqd=0x14 -mcustom-fcmpged=0x13 -mcustom-fcmpgtd=0x12 -mcustom-fcmpled=0x11 -mcustom-fcmpltd=0x10

# Linker options that have default values assigned later if not
# assigned here.
LINKER_SCRIPT :=
CRT0 :=
SYS_LIB :=

# Define path to the root of the BSP.
BSP_ROOT_DIR := ../../bsp/hal_default
# Define absolute path to the root of the BSP.
ABS_BSP_ROOT_DIR := $(shell cd "$(BSP_ROOT_DIR)"; pwd)

ifeq ($(BSP_ROOT_DIR),)
$(error Edit Makefile and provide a value for BSP_ROOT_DIR)
endif

# Include makefile fragments.  Define variable ALT_LIBRARY_ROOT_DIR before
# including each makefile fragment so that it knows the path to itself.
BSP_INCLUDE_FILE := $(BSP_ROOT_DIR)/public.mk
ALT_LIBRARY_ROOT_DIR := $(BSP_ROOT_DIR)
include $(BSP_INCLUDE_FILE)
# C2H will need this to touch the BSP public.mk and avoid the sopc file out-of-date error during a BSP make
ABS_BSP_INCLUDE_FILE := $(ABS_BSP_ROOT_DIR)/public.mk

# List of application specific include directories, library directories and library names
APP_INCLUDE_DIRS :=
APP_LIBRARY_DIRS :=
APP_LIBRARY_NAMES :=

# Pre- and post- processor settings.
BUILD_PRE_PROCESS :=
BUILD_POST_PROCESS :=

OBJDUMP_INCLUDE_SOURCE := 1


#END GENERATED

#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
#                            GENERATED SETTINGS END                           ^
#^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

#------------------------------------------------------------------------------
#                 VARIABLES DEPENDENT ON GENERATED CONTENT
#------------------------------------------------------------------------------

# If the BSP public.mk indicates that ALT_SIM_OPTIMIZE is set, rename the ELF 
# by prefixing it with RUN_ON_HDL_SIMULATOR_ONLY_.  
ifneq ($(filter -DALT_SIM_OPTIMIZE,$(ALT_CPPFLAGS)),)
ELF := RUN_ON_HDL_SIMULATOR_ONLY_$(ELF)
endif


# If the BSP public.mk indicates that ALT_PROVIDE_GMON is set, add option to download_elf target
ifneq ($(filter -DALT_PROVIDE_GMON,$(ALT_CPPFLAGS)),)
GMON_OUT_FILENAME := gmon.out
WRITE_GMON_OPTION := --write-gmon $(GMON_OUT_FILENAME)
endif

# Name of ELF application.
APP_NAME := $(basename $(ELF))

# Set to defaults if variables not already defined in settings.
ifeq ($(LINKER_SCRIPT),)
LINKER_SCRIPT := $(BSP_LINKER_SCRIPT)
endif
ifeq ($(CRT0),)
CRT0 := $(BSP_CRT0)
endif
ifeq ($(SYS_LIB),)
SYS_LIB := $(BSP_SYS_LIB)
endif

OBJDUMP_NAME := $(APP_NAME).objdump
OBJDUMP_FLAGS := --disassemble --syms --all-header
ifeq ($(OBJDUMP_INCLUDE_SOURCE),1)
OBJDUMP_FLAGS += --source
endif
ifeq ($(OBJDUMP_FULL_CONTENTS),1)
OBJDUMP_FLAGS += --full-contents
endif

# Create list of linker dependencies (*.a files).
APP_LDDEPS := $(ALT_LDDEPS) $(LDDEPS)

# Take lists and add required prefixes.
APP_INC_DIRS := $(addprefix -I, $(ALT_INCLUDE_DIRS) $(APP_INCLUDE_DIRS) $(INC_DIRS))
ASM_INC_PREFIX := -Wa,-I
APP_ASM_INC_DIRS := $(addprefix $(ASM_INC_PREFIX), $(ALT_INCLUDE_DIRS) $(APP_INCLUDE_DIRS) $(INC_DIRS))
APP_LIB_DIRS := $(addprefix -L, $(ALT_LIBRARY_DIRS) $(APP_LIBRARY_DIRS) $(LIB_DIRS))
APP_LIBS := $(addprefix -l, $(ALT_LIBRARY_NAMES) $(APP_LIBRARY_NAMES) $(LIBS))
APP_BSP_DEP_LIBS := $(addprefix -msys-lib=, $(ALT_BSP_DEP_LIBRARY_NAMES))

# Arguments for the C preprocessor, C/C++ compiler, assembler, and linker.
APP_CFLAGS := $(APP_CFLAGS_DEFINED_SYMBOLS) \
              $(APP_CFLAGS_UNDEFINED_SYMBOLS) \
              $(APP_CFLAGS_OPTIMIZATION) \
              $(APP_CFLAGS_DEBUG_LEVEL) \
              $(APP_CFLAGS_WARNINGS) \
              $(APP_CFLAGS_USER_FLAGS) \
              $(ALT_CFLAGS) \
              $(CFLAGS)

# Arguments only for the C++ compiler.
APP_CXXFLAGS := $(ALT_CXXFLAGS) $(CXXFLAGS)

# Arguments only for the C preprocessor.
# Prefix each include directory with -I.
APP_CPPFLAGS := $(APP_INC_DIRS) \
                $(ALT_CPPFLAGS) \
                $(CPPFLAGS)

# Arguments only for the assembler.
APP_ASFLAGS := $(APP_ASM_INC_DIRS) \
               $(ALT_ASFLAGS) \
               $(ASFLAGS)

# Arguments only for the linker.
APP_LDFLAGS := \
           -msys-crt0='$(CRT0)' \
           -msys-lib=$(SYS_LIB) \
           $(APP_LIB_DIRS) \
           $(ALT_LDFLAGS) \
           $(LDFLAGS)

LINKER_MAP_NAME := $(APP_NAME).map
ifeq ($(CREATE_LINKER_MAP), 1)
APP_LDFLAGS += -Wl,-Map=$(LINKER_MAP_NAME)
endif


#------------------------------------------------------------------------------
#           MAKEFILE INCLUDES DEPENDENT ON GENERATED CONTENT
#------------------------------------------------------------------------------
# mem_init.mk is a generated makefile fragment. This file defines all targets
# used to generate HDL initialization simulation files and pre-initialized
# onchip memory files.
MEM_INIT_FILE :=  $(BSP_ROOT_DIR)/mem_init.mk
include $(MEM_INIT_FILE)

# Create list of object files to be built using the list of source files.
# The source file hierarchy is preserved in the object tree.
# The supported file extensions are:
#
# .c            - for C files
# .cxx .cc .cpp - for C++ files
# .S .s         - for assembler files

OBJ_LIST := $(sort $(C_SRCS:.c=.o)  \
              $(patsubst %.cxx, %.o,                              \
                $(patsubst %.cc, %.o,                             \
                  $(patsubst %.cpp, %.o, $(CXX_SRCS))))           \
              $(patsubst %.S, %.o, $(patsubst %.s, %.o, $(ASM_SRCS))))

# The adjust-path macro
# 
# If COMSPEC is defined, Make is launched from Windows through
# Cygwin.  This adjust-path macro will call 'cygpath -u' on all
# paths to ensure they are readable by Make.
#
# If COMSPEC is not defined, Make is launched from *nix, and no adjustment
# is necessary

ifdef COMSPEC
	adjust-path = $(shell cygpath -u "$1")
else
	adjust-path = $1
endif

# Relative-pathed objects that being with "../" are handled differently.
#