makerules.sysdepend

日本著名的的嵌入式实时操作系统T-Kernel的源码及用户手册。

#
#	makerules
#		for GNU make
#
#	default rules - system-dependent (VR5500)
#
#	MACHINE	target CPU
#		vr5500	: T-Engine/VR5500(MIPS4)
#
#	TETYPE	target T-Engine type
#		std	: standard T-Engine
#
#	GNUvr	GNU development tool for VR5
#

# command path
PATH = .
ifneq ($(filter "$(origin GNUvr)", $(TOOL_ORIGIN)), )
  PATH := $(PATH):$(GNUvr)/bin
endif
ifneq ($(filter "$(origin GNUs)", $(TOOL_ORIGIN)), )
  PATH := $(PATH):$(GNUs)/bin
endif
ifneq ($(filter Linux-%, $(CROSS_ARCH)), )
  PATH := $(PATH):/usr/local/bin:/bin:/usr/bin
endif

# ----- T-Engine/VR5500(MIPS4) ------------------------------------------------

# GCC environment
TARGET_ARCH =

# target type
_CPUTYPE_FLAGS    = -march=vr5500
_CPUTYPE_FLAGS_AS = -march=vr5500
_TE_SYSTEM_NAME_ = _STD_VR5500_

# ABI
_ABI_FLAGS = -mabi=o64

# code set
_CODESET_FLAGS =

### build option ###
CFLAGS +=
CPPFLAGS +=
ASFLAGS +=
LDFLAGS +=

### C ###
CC := $(GNUvr)/bin/gccvr
OUTPUT_OPTION = -o $@
ifeq ($(mode), debug)
  CFLAGS += -g
  CPPFLAGS += $(HEADER:%=-I%) -D$(_TE_SYSTEM_NAME_) -DDEBUG
else
  CFLAGS += -O2
  CPPFLAGS += $(HEADER:%=-I%) -D$(_TE_SYSTEM_NAME_)
endif

CFLAGS += $(_CPUTYPE_FLAGS) $(_ABI_FLAGS) $(_CODESET_FLAGS) -ffreestanding

CFLAGS_WARNING      = -Wall -Wno-format -Wno-main
CFLAGS_WARNING_FULL = -pedantic -W -Wall -Wno-format -Wno-main

COMPILE.c = $(CC) $(TARGET_ARCH) $(CFLAGS) $(CPPFLAGS) -c
LINK.c = $(CC) $(TARGET_ARCH) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS)

%.o: %.c
	$(COMPILE.c) $< $(OUTPUT_OPTION)

%.s: %.c
	$(CC) $(TARGET_ARCH) $(CFLAGS) $(CPPFLAGS) -S $<

%.i: %.c
	$(CC) $(TARGET_ARCH) $(CFLAGS) $(CPPFLAGS) -E $< $(OUTPUT_OPTION)

### C++ ###
CXX := $(GNUvr)/bin/gccvr
CXXFLAGS = $(CFLAGS)

COMPILE.cc = $(CXX) $(TARGET_ARCH) $(CXXFLAGS) $(CPPFLAGS) -c
LINK.cc = $(CXX) $(TARGET_ARCH) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS)

%.o: %.cc
	$(COMPILE.cc) $< $(OUTPUT_OPTION)

%.s: %.cc
	$(CXX) $(TARGET_ARCH) $(CXXFLAGS) $(CPPFLAGS) -S $<

%.i: %.cc
	$(CXX) $(TARGET_ARCH) $(CXXFLAGS) $(CPPFLAGS) -E $< $(OUTPUT_OPTION)

### asm ###
AS = $(GNUvr)/bin/as
ifeq ($(mode), debug)
  ASFLAGS +=
else
  ASFLAGS +=
endif

ASFLAGS += $(_CPUTYPE_FLAGS) $(_ABI_FLAGS) $(_CODESET_FLAGS)
ASFLAGS.s = $(_CPUTYPE_FLAGS_AS) $(_ABI_FLAGS) $(_CODESET_FLAGS)

COMPILE.S = $(CC) $(TARGET_ARCH) $(ASFLAGS) $(CPPFLAGS) -c
COMPILE.s = $(AS) $(ASFLAGS.s)

%.o: %.S
	$(COMPILE.S) $< $(OUTPUT_OPTION)

%.o: %.s
	$(COMPILE.s) $< $(OUTPUT_OPTION)

%.i: %.S
	$(CC) $(TARGET_ARCH) $(ASFLAGS) $(CPPFLAGS) -E $< $(OUTPUT_OPTION)

### linker ###
LD = $(GNUvr)/bin/ld
ifeq ($(mode), debug)
  LDFLAGS += $(LIBDIR:%=-L%)
else
  LDFLAGS += $(LIBDIR:%=-L%)
endif

LDFLAGS += $(_CPUTYPE_FLAGS) $(_ABI_FLAGS) $(_CODESET_FLAGS)

LIBDIR = $(COMMONLIB)
LOADLIBES =
LDOBJS =
LDLIBS =

# additional linker option
ifneq ($(filter sl, $(options)), )
  LDFLAGS2 = -static
else
  # no effect
  LDFLAGS2 = -static
endif
LDFLAGS3 = -static -T $(COMMONLIB)/static.lnk
START_ADR =

# create executable
LINK.o = $(CC) $(TARGET_ARCH) $(LDFLAGS) $(LDFLAGS2) $(START_ADR)

# link objects
LINK_R.o = $(CC) $(TARGET_ARCH) $(LDFLAGS) -r -nostdlib

# link objects and libraries
LINK_A.o = $(CC) $(TARGET_ARCH) $(LDFLAGS) -r

# create executable (location only)
LOCATE.o = $(CC) $(TARGET_ARCH) $(LDFLAGS) -nostdlib $(LDFLAGS3) $(START_ADR)

%: %.o
	$(LINK.o) $(LDOBJS) $^ $(LOADLIBES) $(LDLIBS) $(OUTPUT_OPTION)

%.out: %.o
	$(LINK.o) $(LDOBJS) $^ $(LOADLIBES) $(LDLIBS) $(OUTPUT_OPTION)

%.abs: %.o
	$(LINK_A.o) $(LDOBJS) $^ $(LOADLIBES) $(LDLIBS) -o _$@
	$(LOCATE.o) _$@ $(OUTPUT_OPTION)
	$(RM) _$@

### library ###
AR = $(GNUvr)/bin/ar
ARFLAGS = rv
RANLIB = $(GNUvr)/bin/ranlib

(%): %
	$(AR) $(ARFLAGS) $@ $%

### create name list ###
NM = $(GNUvr)/bin/nm
NMFLAGS = -n

%.map: %
	$(NM) $(NMFLAGS) $< > $@

%.map: %.out
	$(NM) $(NMFLAGS) $< > $@

%.map: %.abs
	$(NM) $(NMFLAGS) $< > $@

%.map: %.dll
	$(NM) $(NMFLAGS) $< > $@

### data box ###
DBCPPFLAGS = -D$(_TE_SYSTEM_NAME_)
DB_CPP = $(CPP) -nostdinc -traditional -P $(DATABOX_HEADER:%=-I%) $(DBCPPFLAGS)
DB = $(ETCBIN)/databox
DBFLAGS =
DBSRCFLAGS = -s
DATABOX = $(DB) $(DBFLAGS)

%.dbx: %.d
	$(DB_CPP) $< $@.tmp
	$(DATABOX) $@.tmp $@
	$(RM) $@.tmp

%.fsn: %.f
	$(DB_CPP) $< $@.tmp
	$(DATABOX) -n $@.tmp $@
	$(RM) $@.tmp

%.c: %.d
	$(DB_CPP) $< $@.tmp
	$(DATABOX) -n $(DBSRCFLAGS) $@.tmp $@
	$(RM) $@.tmp

### other ###
ifndef CPP
  CPP = $(GNU_BD)/bin/mipsvr5el-unknown-tkernel-cpp
endif
STRIP = $(GNUvr)/bin/strip --strip-unneeded

OBJCOPY = $(GNU_BD)/bin/mipsvr5el-unknown-tkernel-objcopy
OUTPUT_SREC = -O srec --srec-forceS3 --srec-len 32