xref: /openbmc/u-boot/Makefile (revision 4e518b88)
1#
2# (C) Copyright 2000-2012
3# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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
24VERSION = 2011
25PATCHLEVEL = 12
26SUBLEVEL =
27EXTRAVERSION =
28ifneq "$(SUBLEVEL)" ""
29U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
30else
31U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
32endif
33TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
34VERSION_FILE = $(obj)include/generated/version_autogenerated.h
35
36HOSTARCH := $(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
46HOSTOS := $(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
50SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
51	else if [ -x /bin/bash ]; then echo /bin/bash; \
52	else echo sh; fi; fi)
53
54export	HOSTARCH HOSTOS SHELL
55
56# Deal with colliding definitions from tcsh etc.
57VENDOR=
58
59#########################################################################
60# Allow for silent builds
61ifeq (,$(findstring s,$(MAKEFLAGS)))
62XECHO = echo
63else
64XECHO = :
65endif
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
89ifdef O
90ifeq ("$(origin O)", "command line")
91BUILD_DIR := $(O)
92endif
93endif
94
95ifneq ($(BUILD_DIR),)
96saved-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.
102BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
103$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
104endif # ifneq ($(BUILD_DIR),)
105
106OBJTREE		:= $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
107SPLTREE		:= $(OBJTREE)/spl
108SRCTREE		:= $(CURDIR)
109TOPDIR		:= $(SRCTREE)
110LNDIR		:= $(OBJTREE)
111export	TOPDIR SRCTREE OBJTREE SPLTREE
112
113MKCONFIG	:= $(SRCTREE)/mkconfig
114export MKCONFIG
115
116ifneq ($(OBJTREE),$(SRCTREE))
117REMOTE_BUILD	:= 1
118export REMOTE_BUILD
119endif
120
121# $(obj) and (src) are defined in config.mk but here in main Makefile
122# we also need them before config.mk is included which is the case for
123# some targets like unconfig, clean, clobber, distclean, etc.
124ifneq ($(OBJTREE),$(SRCTREE))
125obj := $(OBJTREE)/
126src := $(SRCTREE)/
127else
128obj :=
129src :=
130endif
131export obj src
132
133# Make sure CDPATH settings don't interfere
134unexport 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.
142SUBDIR_TOOLS = tools
143SUBDIR_EXAMPLES = examples/standalone examples/api
144SUBDIRS = $(SUBDIR_TOOLS)
145
146.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
147
148ifeq ($(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.
153all:
154sinclude $(obj)include/autoconf.mk.dep
155sinclude $(obj)include/autoconf.mk
156
157ifndef CONFIG_SANDBOX
158SUBDIRS += $(SUBDIR_EXAMPLES)
159endif
160
161# load ARCH, BOARD, and CPU configuration
162include $(obj)include/config.mk
163export	ARCH CPU BOARD VENDOR SOC
164
165# set default to nothing for native builds
166ifeq ($(HOSTARCH),$(ARCH))
167CROSS_COMPILE ?=
168endif
169
170# load other configuration
171include $(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
177LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
178
179ifndef 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
185endif
186
187# If there is no specified link script, we look in a number of places for it
188ifndef 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
209endif
210
211#########################################################################
212# U-Boot objects....order is important (i.e. start must be first)
213
214OBJS  = $(CPUDIR)/start.o
215ifeq ($(CPU),x86)
216OBJS += $(CPUDIR)/start16.o
217OBJS += $(CPUDIR)/resetvec.o
218endif
219ifeq ($(CPU),ppc4xx)
220OBJS += $(CPUDIR)/resetvec.o
221endif
222ifeq ($(CPU),mpc85xx)
223OBJS += $(CPUDIR)/resetvec.o
224endif
225
226OBJS := $(addprefix $(obj),$(OBJS))
227
228LIBS  = lib/libgeneric.o
229LIBS += lib/lzma/liblzma.o
230LIBS += lib/lzo/liblzo.o
231LIBS += lib/zlib/libz.o
232LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
233	"board/$(VENDOR)/common/lib$(VENDOR).o"; fi)
234LIBS += $(CPUDIR)/lib$(CPU).o
235ifdef SOC
236LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o
237endif
238ifeq ($(CPU),ixp)
239LIBS += arch/arm/cpu/ixp/npe/libnpe.o
240endif
241ifeq ($(CONFIG_OF_EMBED),y)
242LIBS += dts/libdts.o
243endif
244LIBS += arch/$(ARCH)/lib/lib$(ARCH).o
245LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
246	fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \
247	fs/ubifs/libubifs.o
248LIBS += net/libnet.o
249LIBS += disk/libdisk.o
250LIBS += drivers/bios_emulator/libatibiosemu.o
251LIBS += drivers/block/libblock.o
252LIBS += drivers/dma/libdma.o
253LIBS += drivers/fpga/libfpga.o
254LIBS += drivers/gpio/libgpio.o
255LIBS += drivers/hwmon/libhwmon.o
256LIBS += drivers/i2c/libi2c.o
257LIBS += drivers/input/libinput.o
258LIBS += drivers/misc/libmisc.o
259LIBS += drivers/mmc/libmmc.o
260LIBS += drivers/mtd/libmtd.o
261LIBS += drivers/mtd/nand/libnand.o
262LIBS += drivers/mtd/onenand/libonenand.o
263LIBS += drivers/mtd/ubi/libubi.o
264LIBS += drivers/mtd/spi/libspi_flash.o
265LIBS += drivers/net/libnet.o
266LIBS += drivers/net/phy/libphy.o
267LIBS += drivers/pci/libpci.o
268LIBS += drivers/pcmcia/libpcmcia.o
269LIBS += drivers/power/libpower.o
270LIBS += drivers/spi/libspi.o
271ifeq ($(CPU),mpc83xx)
272LIBS += drivers/qe/libqe.o
273LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
274LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
275endif
276ifeq ($(CPU),mpc85xx)
277LIBS += drivers/qe/libqe.o
278LIBS += drivers/net/fm/libfm.o
279LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
280LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
281endif
282ifeq ($(CPU),mpc86xx)
283LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
284LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
285endif
286LIBS += drivers/rtc/librtc.o
287LIBS += drivers/serial/libserial.o
288ifeq ($(CONFIG_GENERIC_LPC_TPM),y)
289LIBS += drivers/tpm/libtpm.o
290endif
291LIBS += drivers/twserial/libtws.o
292LIBS += drivers/usb/eth/libusb_eth.o
293LIBS += drivers/usb/gadget/libusb_gadget.o
294LIBS += drivers/usb/host/libusb_host.o
295LIBS += drivers/usb/musb/libusb_musb.o
296LIBS += drivers/usb/phy/libusb_phy.o
297LIBS += drivers/usb/ulpi/libusb_ulpi.o
298LIBS += drivers/video/libvideo.o
299LIBS += drivers/watchdog/libwatchdog.o
300LIBS += common/libcommon.o
301LIBS += lib/libfdt/libfdt.o
302LIBS += api/libapi.o
303LIBS += post/libpost.o
304
305ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
306LIBS += $(CPUDIR)/omap-common/libomap-common.o
307endif
308
309ifeq ($(SOC),mx5)
310LIBS += $(CPUDIR)/imx-common/libimx-common.o
311endif
312ifeq ($(SOC),mx6)
313LIBS += $(CPUDIR)/imx-common/libimx-common.o
314endif
315
316ifeq ($(SOC),s5pc1xx)
317LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
318endif
319ifeq ($(SOC),exynos)
320LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
321endif
322
323LIBS := $(addprefix $(obj),$(sort $(LIBS)))
324.PHONY : $(LIBS)
325
326LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
327LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
328
329# Add GCC lib
330ifdef USE_PRIVATE_LIBGCC
331ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
332PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
333else
334PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
335endif
336else
337PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
338endif
339PLATFORM_LIBS += $(PLATFORM_LIBGCC)
340export PLATFORM_LIBS
341
342# Special flags for CPP when processing the linker script.
343# Pass the version down so we can handle backwards compatibility
344# on the fly.
345LDPPFLAGS += \
346	-include $(TOPDIR)/include/u-boot/u-boot.lds.h \
347	-DCPUDIR=$(CPUDIR) \
348	$(shell $(LD) --version | \
349	  sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
350
351__OBJS := $(subst $(obj),,$(OBJS))
352__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
353
354#########################################################################
355#########################################################################
356
357ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
358BOARD_SIZE_CHECK = \
359	@actual=`wc -c $@ | awk '{print $$1}'`; \
360	limit=$(CONFIG_BOARD_SIZE_LIMIT); \
361	if test $$actual -gt $$limit; then \
362		echo "$@ exceeds file size limit:"; \
363		echo "  limit:  $$limit bytes"; \
364		echo "  actual: $$actual bytes"; \
365		echo "  excess: $$((actual - limit)) bytes"; \
366		exit 1; \
367	fi
368else
369BOARD_SIZE_CHECK =
370endif
371
372# Always append ALL so that arch config.mk's can add custom ones
373ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
374
375ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
376ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
377ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
378ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
379ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
380
381all:		$(ALL-y) $(SUBDIR_EXAMPLES)
382
383$(obj)u-boot.dtb:	$(obj)u-boot
384		$(MAKE) -C dts binary
385		mv $(obj)dts/dt.dtb $@
386
387$(obj)u-boot-dtb.bin:	$(obj)u-boot.bin $(obj)u-boot.dtb
388		cat $^ >$@
389
390$(obj)u-boot.hex:	$(obj)u-boot
391		$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
392
393$(obj)u-boot.srec:	$(obj)u-boot
394		$(OBJCOPY) -O srec $< $@
395
396$(obj)u-boot.bin:	$(obj)u-boot
397		$(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
398		$(BOARD_SIZE_CHECK)
399
400$(obj)u-boot.ldr:	$(obj)u-boot
401		$(CREATE_LDR_ENV)
402		$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
403		$(BOARD_SIZE_CHECK)
404
405$(obj)u-boot.ldr.hex:	$(obj)u-boot.ldr
406		$(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
407
408$(obj)u-boot.ldr.srec:	$(obj)u-boot.ldr
409		$(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
410
411$(obj)u-boot.img:	$(obj)u-boot.bin
412		$(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
413		-O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
414		-n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
415			sed -e 's/"[	 ]*$$/ for $(BOARD) board"/') \
416		-d $< $@
417
418$(obj)u-boot.imx:       $(obj)u-boot.bin
419		$(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
420		-e $(CONFIG_SYS_TEXT_BASE) -d $< $@
421
422$(obj)u-boot.kwb:       $(obj)u-boot.bin
423		$(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
424		-a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
425
426$(obj)u-boot.sha1:	$(obj)u-boot.bin
427		$(obj)tools/ubsha1 $(obj)u-boot.bin
428
429$(obj)u-boot.dis:	$(obj)u-boot
430		$(OBJDUMP) -d $< > $@
431
432$(obj)u-boot.ubl:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
433		$(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
434		cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
435		$(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
436		-e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
437		rm $(obj)u-boot-ubl.bin
438		rm $(obj)spl/u-boot-spl-pad.bin
439
440$(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
441		$(obj)tools/mkimage -s -n /dev/null -T aisimage \
442			-e $(CONFIG_SPL_TEXT_BASE) \
443			-d $(obj)spl/u-boot-spl.bin \
444			$(obj)spl/u-boot-spl.ais
445		$(OBJCOPY) ${OBJCFLAGS} -I binary \
446			--pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
447			$(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
448		cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
449			$(obj)u-boot.ais
450		rm $(obj)spl/u-boot-spl{,-pad}.ais
451
452$(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
453		elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \
454			-o $(obj)u-boot.sb
455
456ifeq ($(CONFIG_SANDBOX),y)
457GEN_UBOOT = \
458		cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
459			-Wl,--start-group $(__LIBS) -Wl,--end-group \
460			$(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
461else
462GEN_UBOOT = \
463		UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
464		sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
465		cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
466			--start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
467			-Map u-boot.map -o u-boot
468endif
469
470$(obj)u-boot:	depend \
471		$(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
472		$(GEN_UBOOT)
473ifeq ($(CONFIG_KALLSYMS),y)
474		smap=`$(call SYSTEM_MAP,u-boot) | \
475			awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
476		$(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
477			-c common/system_map.c -o $(obj)common/system_map.o
478		$(GEN_UBOOT) $(obj)common/system_map.o
479endif
480
481$(OBJS):	depend
482		$(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
483
484$(LIBS):	depend $(SUBDIR_TOOLS)
485		$(MAKE) -C $(dir $(subst $(obj),,$@))
486
487$(LIBBOARD):	depend $(LIBS)
488		$(MAKE) -C $(dir $(subst $(obj),,$@))
489
490$(SUBDIRS):	depend
491		$(MAKE) -C $@ all
492
493$(SUBDIR_EXAMPLES): $(obj)u-boot
494
495$(LDSCRIPT):	depend
496		$(MAKE) -C $(dir $@) $(notdir $@)
497
498$(obj)u-boot.lds: $(LDSCRIPT)
499		$(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
500
501nand_spl:	$(TIMESTAMP_FILE) $(VERSION_FILE) depend
502		$(MAKE) -C nand_spl/board/$(BOARDDIR) all
503
504$(obj)u-boot-nand.bin:	nand_spl $(obj)u-boot.bin
505		cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
506
507onenand_ipl:	$(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
508		$(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
509
510$(obj)u-boot-onenand.bin:	onenand_ipl $(obj)u-boot.bin
511		cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
512
513$(obj)spl/u-boot-spl.bin:	$(SUBDIR_TOOLS) depend
514		$(MAKE) -C spl all
515
516updater:
517		$(MAKE) -C tools/updater all
518
519# Explicitly make _depend in subdirs containing multiple targets to prevent
520# parallel sub-makes creating .depend files simultaneously.
521depend dep:	$(TIMESTAMP_FILE) $(VERSION_FILE) \
522		$(obj)include/autoconf.mk \
523		$(obj)include/generated/generic-asm-offsets.h \
524		$(obj)include/generated/asm-offsets.h
525		for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
526			$(MAKE) -C $$dir _depend ; done
527
528TAG_SUBDIRS = $(SUBDIRS)
529TAG_SUBDIRS += $(dir $(__LIBS))
530TAG_SUBDIRS += include
531
532FIND := find
533FINDFLAGS := -L
534
535checkstack:
536		$(CROSS_COMPILE)objdump -d $(obj)u-boot \
537			`$(FIND) $(obj) -name u-boot-spl -print` | \
538			perl $(src)tools/checkstack.pl $(ARCH)
539
540tags ctags:
541		ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
542						-name '*.[chS]' -print`
543
544etags:
545		etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
546						-name '*.[chS]' -print`
547cscope:
548		$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
549						cscope.files
550		cscope -b -q -k
551
552SYSTEM_MAP = \
553		$(NM) $1 | \
554		grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
555		LC_ALL=C sort
556$(obj)System.map:	$(obj)u-boot
557		@$(call SYSTEM_MAP,$<) > $(obj)System.map
558
559#
560# Auto-generate the autoconf.mk file (which is included by all makefiles)
561#
562# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
563# the dep file is only include in this top level makefile to determine when
564# to regenerate the autoconf.mk file.
565$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
566	@$(XECHO) Generating $@ ; \
567	set -e ; \
568	: Generate the dependancies ; \
569	$(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
570		-MQ $(obj)include/autoconf.mk include/common.h > $@
571
572$(obj)include/autoconf.mk: $(obj)include/config.h
573	@$(XECHO) Generating $@ ; \
574	set -e ; \
575	: Extract the config macros ; \
576	$(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
577		sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
578	mv $@.tmp $@
579
580$(obj)include/generated/generic-asm-offsets.h:	$(obj)include/autoconf.mk.dep \
581	$(obj)lib/asm-offsets.s
582	@$(XECHO) Generating $@
583	tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
584
585$(obj)lib/asm-offsets.s:	$(obj)include/autoconf.mk.dep \
586	$(src)lib/asm-offsets.c
587	@mkdir -p $(obj)lib
588	$(CC) -DDO_DEPS_ONLY \
589		$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
590		-o $@ $(src)lib/asm-offsets.c -c -S
591
592$(obj)include/generated/asm-offsets.h:	$(obj)include/autoconf.mk.dep \
593	$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
594	@echo Generating $@
595	tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
596
597$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:	$(obj)include/autoconf.mk.dep
598	@mkdir -p $(obj)$(CPUDIR)/$(SOC)
599	if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
600		$(CC) -DDO_DEPS_ONLY \
601		$(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
602			-o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
603	else \
604		touch $@; \
605	fi
606
607#########################################################################
608else	# !config.mk
609all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
610$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
611$(filter-out tools,$(SUBDIRS)) \
612updater depend dep tags ctags etags cscope $(obj)System.map:
613	@echo "System not configured - see README" >&2
614	@ exit 1
615
616tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
617	$(MAKE) -C $@ all
618endif	# config.mk
619
620$(VERSION_FILE):
621		@mkdir -p $(dir $(VERSION_FILE))
622		@( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
623		   printf '#define PLAIN_VERSION "%s%s"\n' \
624			"$(U_BOOT_VERSION)" "$${localvers}" ; \
625		   printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
626			"$(U_BOOT_VERSION)" "$${localvers}" ; \
627		) > $@.tmp
628		@( printf '#define CC_VERSION_STRING "%s"\n' \
629		 '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
630		@( printf '#define LD_VERSION_STRING "%s"\n' \
631		 '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
632		@cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
633
634$(TIMESTAMP_FILE):
635		@mkdir -p $(dir $(TIMESTAMP_FILE))
636		@LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
637		@LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
638		@cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
639
640easylogo env gdb:
641	$(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
642gdbtools: gdb
643
644tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
645	$(MAKE) -C tools HOST_TOOLS_ALL=y
646
647.PHONY : CHANGELOG
648CHANGELOG:
649	git log --no-merges U-Boot-1_1_5.. | \
650	unexpand -a | sed -e 's/\s\s*$$//' > $@
651
652include/license.h: tools/bin2header COPYING
653	cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
654#########################################################################
655
656unconfig:
657	@rm -f $(obj)include/config.h $(obj)include/config.mk \
658		$(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
659		$(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
660
661%_config::	unconfig
662	@$(MKCONFIG) -A $(@:_config=)
663
664sinclude $(obj).boards.depend
665$(obj).boards.depend:	boards.cfg
666	@awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
667
668#
669# Functions to generate common board directory names
670#
671lcname	= $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
672ucname	= $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
673
674#========================================================================
675# ARM
676#========================================================================
677
678SX1_stdout_serial_config \
679SX1_config:		unconfig
680	@mkdir -p $(obj)include
681	@if [ "$(findstring _stdout_serial_, $@)" ] ; then \
682		echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
683	else \
684		echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
685	fi;
686	@$(MKCONFIG) -n $@ SX1 arm arm925t sx1
687
688#########################################################################
689## ARM1176 Systems
690#########################################################################
691smdk6400_noUSB_config	\
692smdk6400_config	:	unconfig
693	@mkdir -p $(obj)include $(obj)board/samsung/smdk6400
694	@mkdir -p $(obj)nand_spl/board/samsung/smdk6400
695	@echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
696	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
697	@if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then			\
698		echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
699	else										\
700		echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
701	fi
702	@$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
703	@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
704
705#########################################################################
706#########################################################################
707
708clean:
709	@rm -f $(obj)examples/standalone/82559_eeprom			  \
710	       $(obj)examples/standalone/atmel_df_pow2			  \
711	       $(obj)examples/standalone/eepro100_eeprom		  \
712	       $(obj)examples/standalone/hello_world			  \
713	       $(obj)examples/standalone/interrupt			  \
714	       $(obj)examples/standalone/mem_to_mem_idma2intr		  \
715	       $(obj)examples/standalone/sched				  \
716	       $(obj)examples/standalone/smc911{11,x}_eeprom		  \
717	       $(obj)examples/standalone/test_burst			  \
718	       $(obj)examples/standalone/timer
719	@rm -f $(obj)examples/api/demo{,.bin}
720	@rm -f $(obj)tools/bmp_logo	   $(obj)tools/easylogo/easylogo  \
721	       $(obj)tools/env/{fw_printenv,fw_setenv}			  \
722	       $(obj)tools/envcrc					  \
723	       $(obj)tools/gdb/{astest,gdbcont,gdbsend}			  \
724	       $(obj)tools/gen_eth_addr    $(obj)tools/img2srec		  \
725	       $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk	  \
726	       $(obj)tools/mk{smdk5250,}spl				  \
727	       $(obj)tools/ncb		   $(obj)tools/ubsha1
728	@rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}	  \
729	       $(obj)board/matrix_vision/*/bootscript.img		  \
730	       $(obj)board/voiceblue/eeprom 				  \
731	       $(obj)u-boot.lds						  \
732	       $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]	  \
733	       $(obj)arch/blackfin/cpu/init.{lds,elf}
734	@rm -f $(obj)include/bmp_logo.h
735	@rm -f $(obj)include/bmp_logo_data.h
736	@rm -f $(obj)lib/asm-offsets.s
737	@rm -f $(obj)include/generated/asm-offsets.h
738	@rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
739	@rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
740	@rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
741	@rm -f $(ONENAND_BIN)
742	@rm -f $(obj)onenand_ipl/u-boot.lds
743	@rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
744	@rm -f $(obj)MLO
745	@rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
746	@find $(OBJTREE) -type f \
747		\( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
748		-o -name '*.o'	-o -name '*.a' -o -name '*.exe'	\) -print \
749		| xargs rm -f
750
751# Removes everything not needed for testing u-boot
752tidy:	clean
753	@find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
754
755clobber:	tidy
756	@find $(OBJTREE) -type f \( -name '*.srec' \
757		-o -name '*.bin' -o -name u-boot.img \) \
758		-print0 | xargs -0 rm -f
759	@rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
760		$(obj)cscope.* $(obj)*.*~
761	@rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
762	@rm -f $(obj)u-boot.kwb
763	@rm -f $(obj)u-boot.imx
764	@rm -f $(obj)u-boot.ubl
765	@rm -f $(obj)u-boot.ais
766	@rm -f $(obj)u-boot.dtb
767	@rm -f $(obj)u-boot.sb
768	@rm -f $(obj)tools/inca-swap-bytes
769	@rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
770	@rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
771	@rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
772	@rm -fr $(obj)include/generated
773	@[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
774	@[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
775	@rm -f $(obj)dts/*.tmp
776
777mrproper \
778distclean:	clobber unconfig
779ifneq ($(OBJTREE),$(SRCTREE))
780	rm -rf $(obj)*
781endif
782
783backup:
784	F=`basename $(TOPDIR)` ; cd .. ; \
785	gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
786
787#########################################################################
788