makefile

针对德州仪器DM270开发板的bootloader,其实现了内核的下载以及文件系统的下载

#
# File: Makefile
#
# The build recipe for the Monitor/BootLoader called "rrload".
#
# Copyright (C) 2002 RidgeRun, Inc.
# Author: RidgeRun, Inc  <[e-mail]>
#  - Adapted for the Cadenux environment, 9-6-02, Gregory Nutt
#
#  This program is free software; you can redistribute  it and/or modify it
#  under  the terms of  the GNU General  Public License as published by the
#  Free Software Foundation;  either version 2 of the  License, or (at your
#  option) any later version.
#
#  THIS  SOFTWARE  IS  PROVIDED  ``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 AUTHOR  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.
#
#  You should have received a copy of the  GNU General Public License along
#  with this program; if not, write  to the Free Software Foundation, Inc.,
#  675 Mass Ave, Cambridge, MA 02139, USA.
#
# Please report all bugs/problems to the author or <[e-mail]>
#
# key: RRGPLCR (do not remove)
#

include ../build/Make.context
include ../Make.defs
include ../PmpVersion.defs

DEBUG=

ifeq ($(BSPCONF_BTLDR_MEMORY_DEBUG),y)
DEBUG += -DBSPCONF_BTLDR_MEMORY_DEBUG=1
endif

ifeq ($(BSPCONF_BTLDR_MEMMAP_DEBUG),y)
DEBUG += -DBSPCONF_BTLDR_MEMMAP_DEBUG=1
endif

#ifeq ($(BSPCONF_BTLDR_CS8900_DEBUG),y)
#DEBUG += -DBSPCONF_BTLDR_CS8900_DEBUG=1
#endif
ifeq ($(BSPCONF_BTLDR_FLASH_DEBUG),y)
DEBUG += -DBSPCONF_BTLDR_FLASH_DEBUG=1
endif

# Next, Set desired network rate, 10BaseT, 100BaseT or 
# autoneg (default).  This controls the boards PHY xfer rate 
# on the LAN wire used during bootloader TFTP image downloads.
# As a practical matter, the board's network
# through-put doesn't really change much between these
# values since the bottleneck is the Linux net stack
# and not the PHY. Skranz, Mar 2002 (revised by mayfield 3/02)
#
NetRate=AUTONEG
#NetRate=BaseT100
#NetRate=BaseT10

ifeq ($(BSPCONF_ARCH),omap1510)
  PREFIX = arm-linux-
  EXTRA_CFLAGS =  -DCPU_LITTLE_ENDIAN -DOMAP1510 -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HEAD =  head_omap1510.o
  IO =    io_omap1510.o
  ETHER = ether_smc91xxx.o
  OSD = osd_null.o
  SETUP = setup
  CACHE = cache_null.o
  USB =
  SDRAM = sdram_omap1510.o
  EXPORT_MAKE = Makefile_omap1510
  L_SCRIPT_1 = ld.omap1510.script
  L_SCRIPT_2 = ld.omap1510.ForUpgrade.script
  L_TEMPLATE_1 = ld.omap1510.template
  L_TEMPLATE_2 = ld.omap1510.ForUpgrade.template
endif

ifeq ($(BSPCONF_ARCH),dm310)
  PREFIX = arm-linux-
  EXTRA_CFLAGS =  -DCPU_LITTLE_ENDIAN -DDM310 -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HEAD =  head_dm310.o
  IO = io_dm310.o
  ETHER = ether_smc91c111.o
  OSD = osd_null.o
  SETUP = setup
  CACHE = cache_null.o
  USB =
  SDRAM = 
  EXPORT_MAKE = Makefile_dm310
  L_SCRIPT_1 = ld.dm310.script
  L_SCRIPT_2 = ld.dm310.ForUpgrade.script
  L_TEMPLATE_1 = ld.dm310.template
  L_TEMPLATE_2 = ld.dm310.template
endif

ifeq ($(BSPCONF_ARCH),omap710)
  PREFIX = arm-linux-
  EXTRA_CFLAGS =  -DCPU_LITTLE_ENDIAN -DOMAP710 -DREPLACE_VECTOR_TABLE -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HEAD =  head_omap710.o
  IO =    io_omap710.o
  ETHER = ether_unknown.o
  OSD = osd_null.o
  VECTOR = vectors_omap710.o
  SETUP = setup
  CACHE = cache_null.o
  USB =
  SDRAM = sdram_omap710.o
  EXPORT_MAKE = Makefile_omap710
  L_SCRIPT_1 = ld.omap710.script
  L_SCRIPT_2 = ld.omap710.ForUpgrade.script
  L_TEMPLATE_2 =
endif

ifeq ($(BSPCONF_ARCH),dsc21)
  PREFIX = arm-uclinux-
  EXTRA_CFLAGS = -DCPU_LITTLE_ENDIAN -DDSC21 -DHAVE_SECTOR_MAP -mcpu=arm7tdmi -DNO_MM -Wa,-mno-fpu $(DEBUG)
  UNUSED_EXTRA_FLAGS = -g -fno-omit-frame-pointer -fno-strict-aliasing  -Wall -Wstrict-prototypes  -O -fno-strength-reduce -pipe
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HEAD =  head_dsc21.o
  IO =    io_dsc21.o
  ETHER = ether_cs8900.o
  OSD = osd_null.o
  SETUP = setup
   CACHE = cache_null.o
 USB = 
  SDRAM = sdram_dsc21.o
  L_SCRIPT_1 = ld.dsc21.script
  L_SCRIPT_2 = ld.dsc21.ForUpgrade.script
  L_TEMPLATE_2 =
endif

ifeq ($(BSPCONF_ARCH),c5471)
  PREFIX = arm-uclinux-
  EXTRA_CFLAGS = -mcpu=arm7tdmi          \
                 -Wstrict-prototypes     \
                 -fno-strict-aliasing    \
                 -fno-strength-reduce    \
                 -fno-omit-frame-pointer \
                 -pipe                   \
                 -DCPU_LITTLE_ENDIAN     \
                 -DC5471                 \
                 -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HEAD =  head_c5471.o
  HW_INIT =
  IO =    io_c5471.o
  ETHER = ether_c5471.o
  OSD = osd_null.o
  SETUP = setup
  CACHE = cache_null.o
  USB =
  SDRAM = sdram_c5471.o
  L_SCRIPT_1 = ld.c5471.script
  L_SCRIPT_2 = ld.c5471.ForUpgrade.script
  L_TEMPLATE_2 =
endif

ifeq ($(BSPCONF_ARCH),dsc24)
  PREFIX = arm-uclinux-
  EXTRA_CFLAGS = -DCPU_LITTLE_ENDIAN -DDSC24 -DHAVE_SECTOR_MAP -mcpu=arm7tdmi -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HW_INIT = hwinit_dsc24.o
  HEAD =  head_dsc24.o
  IO =    io_dsc24.o
  ETHER = ether_cs8900.o
  OSD = osd_null.o
  SDRAM = sdram_dsc24.o
  SETUP = setup
  CACHE = cache_null.o
  USB = 
  L_SCRIPT_1 = ld.dsc24.script
  L_SCRIPT_2 = ld.dsc24.ForUpgrade.script
  L_TEMPLATE_2 =
endif

ifeq ($(BSPCONF_ARCH),dsc25)
  PREFIX = arm-uclinux-
  EXTRA_CFLAGS = -DCPU_LITTLE_ENDIAN -DDSC25 -DHAVE_SECTOR_MAP -mcpu=arm7tdmi -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HW_INIT = hwinit_dsc25.o
  HEAD =  head_dsc25.o
  IO =    io_dsc25.o
  ETHER = ether_cs8900.o
  OSD = osd_null.o
  SETUP = setup
  CACHE = cache_null.o
  USB = 
  SDRAM = sdram_dsc25.o
  L_SCRIPT_1 = ld.dsc25.script
  L_SCRIPT_2 = ld.dsc25.ForUpgrade.script
  L_TEMPLATE_2 =
endif

ifeq ($(BSPCONF_ARCH),dm270)
  PREFIX = arm-uclinux-
  EXTRA_CFLAGS = -DCPU_LITTLE_ENDIAN -DDM270 -DHAVE_SECTOR_MAP -DPMP_RRLOAD_VER=$(PMP_RRLOAD_VER) -mcpu=arm7tdmi -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HW_INIT = hwinit_dm270.o
  HEAD =  head_dm270.o
  IO =    io_dm270.o
  ETHER = ether_cs8900.o
#  OSD = osd_null.o
  SETUP = setup
  CACHE = cache_dm270.o
  USB = 
  SDRAM =
  L_SCRIPT_1 = ld.dm270.script
  L_SCRIPT_2 = ld.dm270.ForUpgrade.script
  L_TEMPLATE_2 = ld.dm270.ForUpgrade.template
endif

ifeq ($(BSPCONF_ARCH),ti925)
  PREFIX = arm-linux-
  EXTRA_CFLAGS =  -DCPU_LITTLE_ENDIAN -DTI925 -Wa,-mno-fpu $(DEBUG)
  EXTRA_SFLAGS = -Wa,-mno-fpu
  HEAD =  head_ti925.o
  IO =    io_ti925.o
  ETHER = ether_smc91xxx.o
  OSD = osd_null.o
  CACHE = cache_null.o
  USB = 
  SDRAM = sdram_ti925.o
  EXPORT_MAKE = Makefile_ti925
  L_SCRIPT_1 = ld.ti925.script
  L_SCRIPT_2 = ld.ti925.ForUpgrade.script
  L_TEMPLATE_2 =
endif

FLASH = unknown

ifeq  ($(BSPCONF_FLASH_TYPE),TOSHIBA_TC58FB160FT)
    FLASH = flash_toshiba.o
endif

ifeq  ($(BSPCONF_FLASH_TYPE),FUJITSU_MBM29DL323B)
    FLASH = flash_toshiba.o
endif

ifeq ($(BSPCONF_FLASH_TYPE),INTEL_28F128)
  FLASH = flash_intel.o
endif

ifeq ($(BSPCONF_FLASH_TYPE),INTEL_28F160)
  FLASH = flash_intel.o
endif

ifeq ($(BSPCONF_FLASH_TYPE),INTEL_28F320)
  FLASH = flash_intel.o
endif

ifeq ($(BSPCONF_FLASH_TYPE),INTEL_28F640)
  FLASH = flash_intel.o
endif

ifeq ($(BSPCONF_FLASH_TYPE),INTEL_28F320x2)
  FLASH = flash_intel.o
endif

ifeq  ($(BSPCONF_FLASH_TYPE),AMD_AM29DL164DT)
    FLASH = flash_toshiba.o
endif

ifeq  ($(BSPCONF_FLASH_TYPE),AMD_AM29L640Dx2)
    FLASH = flash_amd.o
endif

ifeq  ($(BSPCONF_FLASH_TYPE),FUJITSU_29LV320T)
    FLASH = flash_toshiba.o
endif

ifeq  ($(BSPCONF_FLASH_TYPE),HYNIX_HY29LD320B)
    FLASH = flash_toshiba.o
endif

ifeq  ($(BSPCONF_FLASH_TYPE),CFI_CMDSET_2)
    FLASH = flash_toshiba.o
endif

ifeq  ($(FLASH),unknown)
     error: unsupported flash chip
endif

ifeq ($(BSPCONF_KERNEL),uclinux-2.0)
  KERN = -DKERN_20
endif

ifeq ($(BSPCONF_KERNEL),uclinux-2.4)
  KERN = -DKERN_24
endif

DECOMP = 
ifeq ($(BSPCONF_KERNEL_COMPRESSED),y)
DECOMP = decompress.o
endif
ifeq ($(BSPCONF_FS_COMPRESSED),y)
DECOMP = decompress.o
endif


# Don't use PMU
CFLAGS  = -MD -g -Wall -D$(NetRate) $(KERN)

SFLAGS  = -D__ASSEMBLY__ -D__KERNEL__ -Wa,-gstabs,-mapcs-32,-marmv4 
OBJCOPY = $(PREFIX)objcopy
CC      = $(PREFIX)gcc
LD      = $(PREFIX)ld
AR      = $(PREFIX)ar
NM      = $(PREFIX)nm
BASE_OBJECTS = $(HEAD) $(DECOMP) $(HW_INIT) $(USB) $(VECTOR) \
               boot.o btldr_ui.o btldr_pi.o srec.o rawbin.o util.o tftp.o net.o i2c.o pmu.o
DRV_OBJECTS = $(SDRAM) $(FLASH) $(IO) $(ETHER) $(OSD)
DRV_H = sdram.h flash.h io.h ether.h
EXPORT_LIST = index.html $(SETUP) $(EXPORT_MAKE) $(HEAD) $(VECTOR) \
              $(DRV_OBJECTS) $(DRV_H) $(L_SCRIPT_1) $(L_SCRIPT_2) \
              util.h sdram_dsc24.S.example rrload.cmm setup_$(BSPCONF_ARCH).cmm

RRLOAD_LIST = $(BASE_OBJECTS) $(SDRAM) $(ETHER) $(FLASH) $(IO) $(OSD) $(CACHE)

ifeq ($(BSPCONF_BTLDR_MEMORY_DEBUG),y)
RRLOAD_LIST += rwmem.o
endif

%.o: %.c
	$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<

%.o: %.S
	$(CC) $(SFLAGS) $(EXTRA_SFLAGS) $(CFLAGS) -c -o $@ $<

all: checkenv rrload setup

checkenv:
	@if [ -z ${IO} ]; then \
	  echo "make: *** [checkenv] BSPCONF_ARCH(${BSPCONF_ARCH}) - unsupported platform!" && false; \
	  echo "Did you foget to source the environment? . ../setenv" && false; \
	 fi

.PHONY: clean do_export

clean:
	rm -f *.o *.d *.map rrload $(RR_IMAGE) rrload.ForUpgrade $(RR_UPGRADE_IMAGE) $(SETUP) *.out msetup
	for export_obj in $(EXPORT_LIST); do \
	  rm -f export/$$export_obj; \
	done
	rm -f export/Makefile

ifeq ($(BSPCONF_ARCH),x86)
rrload: $(BASE_OBJECTS) $(DRV_OBJECTS)
	@rm *.d
	@rm -f $@
	gcc -O3 $(BASE_OBJECTS) $(DRV_OBJECTS) -o $@
	@if [ -f rrload ] ; then   \
          echo "---------------" ; \
          echo "--- SUCCESS ---" ; \
          echo "---------------" ; \
        fi
endif

ifeq ($(BSPCONF_ARCH),omap1510)
setup: head_omap1510.S sdram_omap1510.S
	@rm -f $@ $@.out setup1of2.o setup2of2.o