Git Repo - u-boot.git/blame_incremental

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Commit	Line	Data
	1	#
	2	# (C) Copyright 2000-2012
	3	# Wolfgang Denk, DENX Software Engineering, [email protected].
	4	#
	5	# See file CREDITS for list of people who contributed to this
	6	# project.
	7	#
	8	# This program is free software; you can redistribute it and/or
	9	# modify it under the terms of the GNU General Public License as
	10	# published by the Free Software Foundatio; either version 2 of
	11	# the License, or (at your option) any later version.
	12	#
	13	# This program is distributed in the hope that it will be useful,
	14	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	# GNU General Public License for more details.
	17	#
	18	# You should have received a copy of the GNU General Public License
	19	# along with this program; if not, write to the Free Software
	20	# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	# MA 02111-1307 USA
	22	#
	23
	24	VERSION = 2012
	25	PATCHLEVEL = 10
	26	SUBLEVEL =
	27	EXTRAVERSION = -rc1
	28	ifneq "$(SUBLEVEL)" ""
	29	U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
	30	else
	31	U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
	32	endif
	33	TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
	34	VERSION_FILE = $(obj)include/generated/version_autogenerated.h
	35
	36	HOSTARCH := $(shell uname -m \| \
	37	sed -e s/i.86/x86/ \
	38	-e s/sun4u/sparc64/ \
	39	-e s/arm.*/arm/ \
	40	-e s/sa110/arm/ \
	41	-e s/ppc64/powerpc/ \
	42	-e s/ppc/powerpc/ \
	43	-e s/macppc/powerpc/\
	44	-e s/sh.*/sh/)
	45
	46	HOSTOS := $(shell uname -s \| tr '[:upper:]' '[:lower:]' \| \
	47	sed -e 's/$cygwin$.*/cygwin/')
	48
	49	# Set shell to bash if possible, otherwise fall back to sh
	50	SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	51	else if [ -x /bin/bash ]; then echo /bin/bash; \
	52	else echo sh; fi; fi)
	53
	54	export HOSTARCH HOSTOS SHELL
	55
	56	# Deal with colliding definitions from tcsh etc.
	57	VENDOR=
	58
	59	#########################################################################
	60	# Allow for silent builds
	61	ifeq (,$(findstring s,$(MAKEFLAGS)))
	62	XECHO = echo
	63	else
	64	XECHO = :
	65	endif
	66
	67	#########################################################################
	68	#
	69	# U-boot build supports producing a object files to the separate external
	70	# directory. Two use cases are supported:
	71	#
	72	# 1) Add O= to the make command line
	73	# 'make O=/tmp/build all'
	74	#
	75	# 2) Set environement variable BUILD_DIR to point to the desired location
	76	# 'export BUILD_DIR=/tmp/build'
	77	# 'make'
	78	#
	79	# The second approach can also be used with a MAKEALL script
	80	# 'export BUILD_DIR=/tmp/build'
	81	# './MAKEALL'
	82	#
	83	# Command line 'O=' setting overrides BUILD_DIR environent variable.
	84	#
	85	# When none of the above methods is used the local build is performed and
	86	# the object files are placed in the source directory.
	87	#
	88
	89	ifdef O
	90	ifeq ("$(origin O)", "command line")
	91	BUILD_DIR := $(O)
	92	endif
	93	endif
	94
	95	ifneq ($(BUILD_DIR),)
	96	saved-output := $(BUILD_DIR)
	97
	98	# Attempt to create a output directory.
	99	$(shell [ -d ${BUILD_DIR} ] \|\| mkdir -p ${BUILD_DIR})
	100
	101	# Verify if it was successful.
	102	BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
	103	$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
	104	endif # ifneq ($(BUILD_DIR),)
	105
	106	OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
	107	SPLTREE := $(OBJTREE)/spl
	108	SRCTREE := $(CURDIR)
	109	TOPDIR := $(SRCTREE)
	110	LNDIR := $(OBJTREE)
	111	export TOPDIR SRCTREE OBJTREE SPLTREE
	112
	113	MKCONFIG := $(SRCTREE)/mkconfig
	114	export MKCONFIG
	115
	116	ifneq ($(OBJTREE),$(SRCTREE))
	117	REMOTE_BUILD := 1
	118	export REMOTE_BUILD
	119	endif
	120
	121	# $(obj) and (src) are defined in config.mk but here in main Makefile
	122	# we also need them before config.mk is included which is the case for
	123	# some targets like unconfig, clean, clobber, distclean, etc.
	124	ifneq ($(OBJTREE),$(SRCTREE))
	125	obj := $(OBJTREE)/
	126	src := $(SRCTREE)/
	127	else
	128	obj :=
	129	src :=
	130	endif
	131	export obj src
	132
	133	# Make sure CDPATH settings don't interfere
	134	unexport CDPATH
	135
	136	#########################################################################
	137
	138	# The "tools" are needed early, so put this first
	139	# Don't include stuff already done in $(LIBS)
	140	# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
	141	# is "yes"), so compile examples after U-Boot is compiled.
	142	SUBDIR_TOOLS = tools
	143	SUBDIR_EXAMPLES = examples/standalone examples/api
	144	SUBDIRS = $(SUBDIR_TOOLS)
	145
	146	.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
	147
	148	ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
	149
	150	# Include autoconf.mk before config.mk so that the config options are available
	151	# to all top level build files. We need the dummy all: target to prevent the
	152	# dependency target in autoconf.mk.dep from being the default.
	153	all:
	154	sinclude $(obj)include/autoconf.mk.dep
	155	sinclude $(obj)include/autoconf.mk
	156
	157	ifndef CONFIG_SANDBOX
	158	SUBDIRS += $(SUBDIR_EXAMPLES)
	159	endif
	160
	161	# load ARCH, BOARD, and CPU configuration
	162	include $(obj)include/config.mk
	163	export ARCH CPU BOARD VENDOR SOC
	164
	165	# set default to nothing for native builds
	166	ifeq ($(HOSTARCH),$(ARCH))
	167	CROSS_COMPILE ?=
	168	endif
	169
	170	# load other configuration
	171	include $(TOPDIR)/config.mk
	172
	173	# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
	174	# that (or fail if absent). Otherwise, search for a linker script in a
	175	# standard location.
	176
	177	LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
	178
	179	ifndef LDSCRIPT
	180	#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
	181	ifdef CONFIG_SYS_LDSCRIPT
	182	# need to strip off double quotes
	183	LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
	184	endif
	185	endif
	186
	187	# If there is no specified link script, we look in a number of places for it
	188	ifndef LDSCRIPT
	189	ifeq ($(CONFIG_NAND_U_BOOT),y)
	190	LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
	191	ifeq ($(wildcard $(LDSCRIPT)),)
	192	LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
	193	endif
	194	endif
	195	ifeq ($(wildcard $(LDSCRIPT)),)
	196	LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
	197	endif
	198	ifeq ($(wildcard $(LDSCRIPT)),)
	199	LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
	200	endif
	201	ifeq ($(wildcard $(LDSCRIPT)),)
	202	LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
	203	# We don't expect a Makefile here
	204	LDSCRIPT_MAKEFILE_DIR =
	205	endif
	206	ifeq ($(wildcard $(LDSCRIPT)),)
	207	$(error could not find linker script)
	208	endif
	209	endif
	210
	211	#########################################################################
	212	# U-Boot objects....order is important (i.e. start must be first)
	213
	214	OBJS = $(CPUDIR)/start.o
	215	ifeq ($(CPU),x86)
	216	OBJS += $(CPUDIR)/start16.o
	217	OBJS += $(CPUDIR)/resetvec.o
	218	endif
	219	ifeq ($(CPU),ppc4xx)
	220	OBJS += $(CPUDIR)/resetvec.o
	221	endif
	222	ifeq ($(CPU),mpc85xx)
	223	OBJS += $(CPUDIR)/resetvec.o
	224	endif
	225
	226	OBJS := $(addprefix $(obj),$(OBJS))
	227
	228	HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
	229
	230	LIBS-y += lib/libgeneric.o
	231	LIBS-y += lib/lzma/liblzma.o
	232	LIBS-y += lib/lzo/liblzo.o
	233	LIBS-y += lib/zlib/libz.o
	234	LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o
	235	LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o
	236	LIBS-y += $(CPUDIR)/lib$(CPU).o
	237	ifdef SOC
	238	LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o
	239	endif
	240	ifeq ($(CPU),ixp)
	241	LIBS-y += arch/arm/cpu/ixp/npe/libnpe.o
	242	endif
	243	LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o
	244	LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o
	245	LIBS-y += fs/cramfs/libcramfs.o \
	246	fs/ext4/libext4fs.o \
	247	fs/fat/libfat.o \
	248	fs/fdos/libfdos.o \
	249	fs/jffs2/libjffs2.o \
	250	fs/reiserfs/libreiserfs.o \
	251	fs/ubifs/libubifs.o \
	252	fs/yaffs2/libyaffs2.o \
	253	fs/zfs/libzfs.o
	254	LIBS-y += net/libnet.o
	255	LIBS-y += disk/libdisk.o
	256	LIBS-y += drivers/bios_emulator/libatibiosemu.o
	257	LIBS-y += drivers/block/libblock.o
	258	LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o
	259	LIBS-y += drivers/dma/libdma.o
	260	LIBS-y += drivers/fpga/libfpga.o
	261	LIBS-y += drivers/gpio/libgpio.o
	262	LIBS-y += drivers/hwmon/libhwmon.o
	263	LIBS-y += drivers/i2c/libi2c.o
	264	LIBS-y += drivers/input/libinput.o
	265	LIBS-y += drivers/misc/libmisc.o
	266	LIBS-y += drivers/mmc/libmmc.o
	267	LIBS-y += drivers/mtd/libmtd.o
	268	LIBS-y += drivers/mtd/nand/libnand.o
	269	LIBS-y += drivers/mtd/onenand/libonenand.o
	270	LIBS-y += drivers/mtd/ubi/libubi.o
	271	LIBS-y += drivers/mtd/spi/libspi_flash.o
	272	LIBS-y += drivers/net/libnet.o
	273	LIBS-y += drivers/net/phy/libphy.o
	274	LIBS-y += drivers/pci/libpci.o
	275	LIBS-y += drivers/pcmcia/libpcmcia.o
	276	LIBS-y += drivers/power/libpower.o
	277	LIBS-y += drivers/spi/libspi.o
	278	LIBS-y += drivers/dfu/libdfu.o
	279	ifeq ($(CPU),mpc83xx)
	280	LIBS-y += drivers/qe/libqe.o
	281	LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
	282	LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
	283	endif
	284	ifeq ($(CPU),mpc85xx)
	285	LIBS-y += drivers/qe/libqe.o
	286	LIBS-y += drivers/net/fm/libfm.o
	287	LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
	288	LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
	289	endif
	290	ifeq ($(CPU),mpc86xx)
	291	LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
	292	LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
	293	endif
	294	LIBS-y += drivers/rtc/librtc.o
	295	LIBS-y += drivers/serial/libserial.o
	296	LIBS-$(CONFIG_GENERIC_LPC_TPM) += drivers/tpm/libtpm.o
	297	LIBS-y += drivers/twserial/libtws.o
	298	LIBS-y += drivers/usb/eth/libusb_eth.o
	299	LIBS-y += drivers/usb/gadget/libusb_gadget.o
	300	LIBS-y += drivers/usb/host/libusb_host.o
	301	LIBS-y += drivers/usb/musb/libusb_musb.o
	302	LIBS-y += drivers/usb/phy/libusb_phy.o
	303	LIBS-y += drivers/usb/ulpi/libusb_ulpi.o
	304	LIBS-y += drivers/video/libvideo.o
	305	LIBS-y += drivers/watchdog/libwatchdog.o
	306	LIBS-y += common/libcommon.o
	307	LIBS-y += lib/libfdt/libfdt.o
	308	LIBS-y += api/libapi.o
	309	LIBS-y += post/libpost.o
	310	LIBS-y += test/libtest.o
	311
	312	ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
	313	LIBS-y += $(CPUDIR)/omap-common/libomap-common.o
	314	endif
	315
	316	ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35))
	317	LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o
	318	endif
	319
	320	ifeq ($(SOC),s5pc1xx)
	321	LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
	322	endif
	323	ifeq ($(SOC),exynos)
	324	LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o
	325	endif
	326	ifeq ($(SOC),tegra20)
	327	LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o
	328	endif
	329
	330	LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
	331	.PHONY : $(LIBS)
	332
	333	LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
	334	LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
	335
	336	# Add GCC lib
	337	ifdef USE_PRIVATE_LIBGCC
	338	ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
	339	PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
	340	else
	341	PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
	342	endif
	343	else
	344	PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
	345	endif
	346	PLATFORM_LIBS += $(PLATFORM_LIBGCC)
	347	export PLATFORM_LIBS
	348
	349	# Special flags for CPP when processing the linker script.
	350	# Pass the version down so we can handle backwards compatibility
	351	# on the fly.
	352	LDPPFLAGS += \
	353	-include $(TOPDIR)/include/u-boot/u-boot.lds.h \
	354	-DCPUDIR=$(CPUDIR) \
	355	$(shell $(LD) --version \| \
	356	sed -ne 's/GNU ld version $[0-9][0-9]$\.$[0-9][0-9]$.*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
	357
	358	__OBJS := $(subst $(obj),,$(OBJS))
	359	__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
	360
	361	#########################################################################
	362	#########################################################################
	363
	364	ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
	365	BOARD_SIZE_CHECK = \
	366	@actual=`wc -c $@ \| awk '{print $$1}'`; \
	367	limit=$(CONFIG_BOARD_SIZE_LIMIT); \
	368	if test $$actual -gt $$limit; then \
	369	echo "$@ exceeds file size limit:"; \
	370	echo " limit: $$limit bytes"; \
	371	echo " actual: $$actual bytes"; \
	372	echo " excess: $$((actual - limit)) bytes"; \
	373	exit 1; \
	374	fi
	375	else
	376	BOARD_SIZE_CHECK =
	377	endif
	378
	379	# Always append ALL so that arch config.mk's can add custom ones
	380	ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
	381
	382	ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
	383	ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
	384	ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
	385	ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
	386
	387	# enable combined SPL/u-boot/dtb rules for tegra
	388	ifeq ($(SOC),tegra20)
	389	ifeq ($(CONFIG_OF_SEPARATE),y)
	390	ALL-y += $(obj)u-boot-dtb-tegra.bin
	391	else
	392	ALL-y += $(obj)u-boot-nodtb-tegra.bin
	393	endif
	394	endif
	395
	396	all: $(ALL-y) $(SUBDIR_EXAMPLES)
	397
	398	$(obj)u-boot.dtb: $(obj)u-boot
	399	$(MAKE) -C dts binary
	400	mv $(obj)dts/dt.dtb $@
	401
	402	$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
	403	cat $^ >$@
	404
	405	$(obj)u-boot.hex: $(obj)u-boot
	406	$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
	407
	408	$(obj)u-boot.srec: $(obj)u-boot
	409	$(OBJCOPY) -O srec $< $@
	410
	411	$(obj)u-boot.bin: $(obj)u-boot
	412	$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
	413	$(BOARD_SIZE_CHECK)
	414
	415	$(obj)u-boot.ldr: $(obj)u-boot
	416	$(CREATE_LDR_ENV)
	417	$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
	418	$(BOARD_SIZE_CHECK)
	419
	420	$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
	421	$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
	422
	423	$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
	424	$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
	425
	426	$(obj)u-boot.img: $(obj)u-boot.bin
	427	$(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
	428	-O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
	429	-n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) \| \
	430	sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
	431	-d $< $@
	432
	433	$(obj)u-boot.imx: $(obj)u-boot.bin
	434	$(obj)tools/mkimage -n $(CONFIG_IMX_CONFIG) -T imximage \
	435	-e $(CONFIG_SYS_TEXT_BASE) -d $< $@
	436
	437	$(obj)u-boot.kwb: $(obj)u-boot.bin
	438	$(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
	439	-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
	440
	441	$(obj)u-boot.pbl: $(obj)u-boot.bin
	442	$(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
	443	-R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
	444	-d $< $@
	445
	446	$(obj)u-boot.sha1: $(obj)u-boot.bin
	447	$(obj)tools/ubsha1 $(obj)u-boot.bin
	448
	449	$(obj)u-boot.dis: $(obj)u-boot
	450	$(OBJDUMP) -d $< > $@
	451
	452	$(obj)u-boot.ubl: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
	453	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
	454	cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
	455	$(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
	456	-e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
	457	rm $(obj)u-boot-ubl.bin
	458	rm $(obj)spl/u-boot-spl-pad.bin
	459
	460	$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
	461	$(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
	462	-T aisimage \
	463	-e $(CONFIG_SPL_TEXT_BASE) \
	464	-d $(obj)spl/u-boot-spl.bin \
	465	$(obj)spl/u-boot-spl.ais
	466	$(OBJCOPY) ${OBJCFLAGS} -I binary \
	467	--pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
	468	$(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
	469	cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
	470	$(obj)u-boot.ais
	471
	472	# Specify the target for use in elftosb call
	473	ELFTOSB_TARGET-$(CONFIG_MX28) = imx28
	474
	475	$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
	476	elftosb -zdf $(ELFTOSB_TARGET-y) -c $(TOPDIR)/$(CPUDIR)/$(SOC)/u-boot-$(ELFTOSB_TARGET-y).bd \
	477	-o $(obj)u-boot.sb
	478
	479	# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
	480	# Both images are created using mkimage (crc etc), so that the ROM
	481	# bootloader can check its integrity. Padding needs to be done to the
	482	# SPL image (with mkimage header) and not the binary. Otherwise the resulting image
	483	# which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
	484	# The resulting image containing both U-Boot images is called u-boot.spr
	485	$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
	486	$(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
	487	-a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
	488	-d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
	489	tr "\000" "\377" < /dev/zero \| dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
	490	of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
	491	dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
	492	conv=notrunc 2>/dev/null
	493	cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
	494
	495	ifeq ($(SOC),tegra20)
	496	ifeq ($(CONFIG_OF_SEPARATE),y)
	497	$(obj)u-boot-dtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin $(obj)u-boot.dtb
	498	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
	499	cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin $(obj)u-boot.dtb > $@
	500	rm $(obj)spl/u-boot-spl-pad.bin
	501	else
	502	$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
	503	$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
	504	cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
	505	rm $(obj)spl/u-boot-spl-pad.bin
	506	endif
	507	endif
	508
	509	ifeq ($(CONFIG_SANDBOX),y)
	510	GEN_UBOOT = \
	511	cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
	512	-Wl,--start-group $(__LIBS) -Wl,--end-group \
	513	$(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
	514	else
	515	GEN_UBOOT = \
	516	UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) \| \
	517	sed -n -e 's/.$$(SYM_PREFIX)__u_boot_cmd_.$/-u\1/p'\|sort\|uniq`;\
	518	cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
	519	--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
	520	-Map u-boot.map -o u-boot
	521	endif
	522
	523	$(obj)u-boot: depend \
	524	$(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
	525	$(GEN_UBOOT)
	526	ifeq ($(CONFIG_KALLSYMS),y)
	527	smap=`$(call SYSTEM_MAP,$(obj)u-boot) \| \
	528	awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
	529	$(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
	530	-c common/system_map.c -o $(obj)common/system_map.o
	531	$(GEN_UBOOT) $(obj)common/system_map.o
	532	endif
	533
	534	$(OBJS): depend
	535	$(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
	536
	537	$(LIBS): depend $(SUBDIR_TOOLS)
	538	$(MAKE) -C $(dir $(subst $(obj),,$@))
	539
	540	$(LIBBOARD): depend $(LIBS)
	541	$(MAKE) -C $(dir $(subst $(obj),,$@))
	542
	543	$(SUBDIRS): depend
	544	$(MAKE) -C $@ all
	545
	546	$(SUBDIR_EXAMPLES): $(obj)u-boot
	547
	548	$(LDSCRIPT): depend
	549	$(MAKE) -C $(dir $@) $(notdir $@)
	550
	551	$(obj)u-boot.lds: $(LDSCRIPT)
	552	$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
	553
	554	nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
	555	$(MAKE) -C nand_spl/board/$(BOARDDIR) all
	556
	557	$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
	558	cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
	559
	560	$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
	561	$(MAKE) -C spl all
	562
	563	updater:
	564	$(MAKE) -C tools/updater all
	565
	566	# Explicitly make _depend in subdirs containing multiple targets to prevent
	567	# parallel sub-makes creating .depend files simultaneously.
	568	depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
	569	$(obj)include/autoconf.mk \
	570	$(obj)include/generated/generic-asm-offsets.h \
	571	$(obj)include/generated/asm-offsets.h
	572	for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
	573	$(MAKE) -C $$dir _depend ; done
	574
	575	TAG_SUBDIRS = $(SUBDIRS)
	576	TAG_SUBDIRS += $(dir $(__LIBS))
	577	TAG_SUBDIRS += include
	578
	579	FIND := find
	580	FINDFLAGS := -L
	581
	582	checkstack:
	583	$(CROSS_COMPILE)objdump -d $(obj)u-boot \
	584	`$(FIND) $(obj) -name u-boot-spl -print` \| \
	585	perl $(src)tools/checkstack.pl $(ARCH)
	586
	587	tags ctags:
	588	ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
	589	-name '*.[chS]' -print`
	590
	591	etags:
	592	etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
	593	-name '*.[chS]' -print`
	594	cscope:
	595	$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
	596	cscope.files
	597	cscope -b -q -k
	598
	599	SYSTEM_MAP = \
	600	$(NM) $1 \| \
	601	grep -v '$compiled$\\|$\.o$$$\\|$ [aUw] $\\|$\.\.ng$$$\\|$LASH[RL]DI$' \| \
	602	LC_ALL=C sort
	603	$(obj)System.map: $(obj)u-boot
	604	@$(call SYSTEM_MAP,$<) > $(obj)System.map
	605
	606	checkthumb:
	607	@if test $(call cc-version) -lt 0404; then \
	608	echo -n '*** Your GCC does not produce working '; \
	609	echo 'binaries in THUMB mode.'; \
	610	echo '*** Your board is configured for THUMB mode.'; \
	611	false; \
	612	fi
	613	#
	614	# Auto-generate the autoconf.mk file (which is included by all makefiles)
	615	#
	616	# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
	617	# the dep file is only include in this top level makefile to determine when
	618	# to regenerate the autoconf.mk file.
	619	$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
	620	@$(XECHO) Generating $@ ; \
	621	set -e ; \
	622	: Generate the dependancies ; \
	623	$(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
	624	-MQ $(obj)include/autoconf.mk include/common.h > $@
	625
	626	$(obj)include/autoconf.mk: $(obj)include/config.h
	627	@$(XECHO) Generating $@ ; \
	628	set -e ; \
	629	: Extract the config macros ; \
	630	$(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h \| \
	631	sed -n -f tools/scripts/define2mk.sed > [email protected] && \
	632	mv [email protected] $@
	633
	634	$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \
	635	$(obj)lib/asm-offsets.s
	636	@$(XECHO) Generating $@
	637	tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
	638
	639	$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \
	640	$(src)lib/asm-offsets.c
	641	@mkdir -p $(obj)lib
	642	$(CC) -DDO_DEPS_ONLY \
	643	$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
	644	-o $@ $(src)lib/asm-offsets.c -c -S
	645
	646	$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \
	647	$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
	648	@$(XECHO) Generating $@
	649	tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
	650
	651	$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep
	652	@mkdir -p $(obj)$(CPUDIR)/$(SOC)
	653	if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
	654	$(CC) -DDO_DEPS_ONLY \
	655	$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
	656	-o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
	657	else \
	658	touch $@; \
	659	fi
	660
	661	#########################################################################
	662	else # !config.mk
	663	all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
	664	$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
	665	$(filter-out tools,$(SUBDIRS)) \
	666	updater depend dep tags ctags etags cscope $(obj)System.map:
	667	@echo "System not configured - see README" >&2
	668	@ exit 1
	669
	670	tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
	671	$(MAKE) -C $@ all
	672	endif # config.mk
	673
	674	$(VERSION_FILE):
	675	@mkdir -p $(dir $(VERSION_FILE))
	676	@( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
	677	printf '#define PLAIN_VERSION "%s%s"\n' \
	678	"$(U_BOOT_VERSION)" "$${localvers}" ; \
	679	printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
	680	"$(U_BOOT_VERSION)" "$${localvers}" ; \
	681	) > [email protected]
	682	@( printf '#define CC_VERSION_STRING "%s"\n' \
	683	'$(shell $(CC) --version \| head -n 1)' )>> [email protected]
	684	@( printf '#define LD_VERSION_STRING "%s"\n' \
	685	'$(shell $(LD) -v \| head -n 1)' )>> [email protected]
	686	@cmp -s $@ [email protected] && rm -f [email protected] \|\| mv -f [email protected] $@
	687
	688	$(TIMESTAMP_FILE):
	689	@mkdir -p $(dir $(TIMESTAMP_FILE))
	690	@LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > [email protected]
	691	@LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> [email protected]
	692	@cmp -s $@ [email protected] && rm -f [email protected] \|\| mv -f [email protected] $@
	693
	694	easylogo env gdb:
	695	$(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
	696	gdbtools: gdb
	697
	698	tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
	699	$(MAKE) -C tools HOST_TOOLS_ALL=y
	700
	701	.PHONY : CHANGELOG
	702	CHANGELOG:
	703	git log --no-merges U-Boot-1_1_5.. \| \
	704	unexpand -a \| sed -e 's/\s\s*$$//' > $@
	705
	706	include/license.h: tools/bin2header COPYING
	707	cat COPYING \| gzip -9 -c \| ./tools/bin2header license_gzip > include/license.h
	708	#########################################################################
	709
	710	unconfig:
	711	@rm -f $(obj)include/config.h $(obj)include/config.mk \
	712	$(obj)board//config.tmp $(obj)board//*/config.tmp \
	713	$(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
	714
	715	%_config:: unconfig
	716	@$(MKCONFIG) -A $(@:_config=)
	717
	718	sinclude $(obj).boards.depend
	719	$(obj).boards.depend: boards.cfg
	720	@awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
	721
	722	#
	723	# Functions to generate common board directory names
	724	#
	725	lcname = $(shell echo $(1) \| sed -e 's/$.*$_config/\L\1/')
	726	ucname = $(shell echo $(1) \| sed -e 's/$.*$_config/\U\1/')
	727
	728	#========================================================================
	729	# ARM
	730	#========================================================================
	731
	732	SX1_stdout_serial_config \
	733	SX1_config: unconfig
	734	@mkdir -p $(obj)include
	735	@if [ "$(findstring _stdout_serial_, $@)" ] ; then \
	736	echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
	737	else \
	738	echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
	739	fi;
	740	@$(MKCONFIG) -n $@ SX1 arm arm925t sx1
	741
	742	#########################################################################
	743	## ARM1176 Systems
	744	#########################################################################
	745	smdk6400_noUSB_config \
	746	smdk6400_config : unconfig
	747	@mkdir -p $(obj)include $(obj)board/samsung/smdk6400
	748	@mkdir -p $(obj)nand_spl/board/samsung/smdk6400
	749	@echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
	750	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
	751	@if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then \
	752	echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
	753	else \
	754	echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
	755	fi
	756	@$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
	757	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
	758
	759	#########################################################################
	760	#########################################################################
	761
	762	clean:
	763	@rm -f $(obj)examples/standalone/82559_eeprom \
	764	$(obj)examples/standalone/atmel_df_pow2 \
	765	$(obj)examples/standalone/eepro100_eeprom \
	766	$(obj)examples/standalone/hello_world \
	767	$(obj)examples/standalone/interrupt \
	768	$(obj)examples/standalone/mem_to_mem_idma2intr \
	769	$(obj)examples/standalone/sched \
	770	$(obj)examples/standalone/smc911{11,x}_eeprom \
	771	$(obj)examples/standalone/test_burst \
	772	$(obj)examples/standalone/timer
	773	@rm -f $(obj)examples/api/demo{,.bin}
	774	@rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
	775	$(obj)tools/env/{fw_printenv,fw_setenv} \
	776	$(obj)tools/envcrc \
	777	$(obj)tools/gdb/{astest,gdbcont,gdbsend} \
	778	$(obj)tools/gen_eth_addr $(obj)tools/img2srec \
	779	$(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
	780	$(obj)tools/mk{smdk5250,}spl \
	781	$(obj)tools/mxsboot \
	782	$(obj)tools/ncb $(obj)tools/ubsha1
	783	@rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
	784	$(obj)board/matrix_vision/*/bootscript.img \
	785	$(obj)board/voiceblue/eeprom \
	786	$(obj)u-boot.lds \
	787	$(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \
	788	$(obj)arch/blackfin/cpu/init.{lds,elf}
	789	@rm -f $(obj)include/bmp_logo.h
	790	@rm -f $(obj)include/bmp_logo_data.h
	791	@rm -f $(obj)lib/asm-offsets.s
	792	@rm -f $(obj)include/generated/asm-offsets.h
	793	@rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
	794	@rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
	795	@find $(OBJTREE) -type f \
	796	\( -name 'core' -o -name '.bak' -o -name '~' -o -name '*.su' \
	797	-o -name '.o' -o -name '.a' -o -name '*.exe' \) -print \
	798	\| xargs rm -f
	799
	800	# Removes everything not needed for testing u-boot
	801	tidy: clean
	802	@find $(OBJTREE) -type f $ -name '.depend' $ -print \| xargs rm -f
	803
	804	clobber: tidy
	805	@find $(OBJTREE) -type f \( -name '*.srec' \
	806	-o -name '*.bin' -o -name u-boot.img \) \
	807	-print0 \| xargs -0 rm -f
	808	@rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
	809	$(obj)cscope.* $(obj).~
	810	@rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
	811	@rm -f $(obj)u-boot.kwb
	812	@rm -f $(obj)u-boot.pbl
	813	@rm -f $(obj)u-boot.imx
	814	@rm -f $(obj)u-boot.ubl
	815	@rm -f $(obj)u-boot.ais
	816	@rm -f $(obj)u-boot.dtb
	817	@rm -f $(obj)u-boot.sb
	818	@rm -f $(obj)u-boot.spr
	819	@rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
	820	@rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
	821	@rm -f $(obj)MLO
	822	@rm -f $(obj)tools/xway-swap-bytes
	823	@rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
	824	@rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
	825	@rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
	826	@rm -fr $(obj)include/generated
	827	@[ ! -d $(obj)nand_spl ] \|\| find $(obj)nand_spl -name "*" -type l -print \| xargs rm -f
	828	@rm -f $(obj)dts/*.tmp
	829	@rm -f $(obj)spl/u-boot-spl{,-pad}.ais
	830
	831	mrproper \
	832	distclean: clobber unconfig
	833	ifneq ($(OBJTREE),$(SRCTREE))
	834	rm -rf $(obj)*
	835	endif
	836
	837	backup:
	838	F=`basename $(TOPDIR)` ; cd .. ; \
	839	gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
	840
	841	#########################################################################