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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 = 2012
25PATCHLEVEL = 04
26SUBLEVEL = 01
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
232ifeq ($(CONFIG_TIZEN),y)
233LIBS += lib/tizen/libtizen.o
234endif
235LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
236 "board/$(VENDOR)/common/lib$(VENDOR).o"; fi)
237LIBS += $(CPUDIR)/lib$(CPU).o
238ifdef SOC
239LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o
240endif
241ifeq ($(CPU),ixp)
242LIBS += arch/arm/cpu/ixp/npe/libnpe.o
243endif
244ifeq ($(CONFIG_OF_EMBED),y)
245LIBS += dts/libdts.o
246endif
247LIBS += arch/$(ARCH)/lib/lib$(ARCH).o
248LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
249 fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \
250 fs/ubifs/libubifs.o
251LIBS += net/libnet.o
252LIBS += disk/libdisk.o
253LIBS += drivers/bios_emulator/libatibiosemu.o
254LIBS += drivers/block/libblock.o
255LIBS += drivers/dma/libdma.o
256LIBS += drivers/fpga/libfpga.o
257LIBS += drivers/gpio/libgpio.o
258LIBS += drivers/hwmon/libhwmon.o
259LIBS += drivers/i2c/libi2c.o
260LIBS += drivers/input/libinput.o
261LIBS += drivers/misc/libmisc.o
262LIBS += drivers/mmc/libmmc.o
263LIBS += drivers/mtd/libmtd.o
264LIBS += drivers/mtd/nand/libnand.o
265LIBS += drivers/mtd/onenand/libonenand.o
266LIBS += drivers/mtd/ubi/libubi.o
267LIBS += drivers/mtd/spi/libspi_flash.o
268LIBS += drivers/net/libnet.o
269LIBS += drivers/net/phy/libphy.o
270LIBS += drivers/pci/libpci.o
271LIBS += drivers/pcmcia/libpcmcia.o
272LIBS += drivers/power/libpower.o
273LIBS += drivers/spi/libspi.o
274ifeq ($(CPU),mpc83xx)
275LIBS += drivers/qe/libqe.o
276LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
277LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
278endif
279ifeq ($(CPU),mpc85xx)
280LIBS += drivers/qe/libqe.o
281LIBS += drivers/net/fm/libfm.o
282LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
283LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
284endif
285ifeq ($(CPU),mpc86xx)
286LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
287LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
288endif
289LIBS += drivers/rtc/librtc.o
290LIBS += drivers/serial/libserial.o
291ifeq ($(CONFIG_GENERIC_LPC_TPM),y)
292LIBS += drivers/tpm/libtpm.o
293endif
294LIBS += drivers/twserial/libtws.o
295LIBS += drivers/usb/eth/libusb_eth.o
296LIBS += drivers/usb/gadget/libusb_gadget.o
297LIBS += drivers/usb/host/libusb_host.o
298LIBS += drivers/usb/musb/libusb_musb.o
299LIBS += drivers/usb/phy/libusb_phy.o
300LIBS += drivers/usb/ulpi/libusb_ulpi.o
301LIBS += drivers/video/libvideo.o
302LIBS += drivers/watchdog/libwatchdog.o
303LIBS += common/libcommon.o
304LIBS += lib/libfdt/libfdt.o
305LIBS += api/libapi.o
306LIBS += post/libpost.o
307
308ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP34XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX),)
309LIBS += $(CPUDIR)/omap-common/libomap-common.o
310endif
311
312ifeq ($(SOC),mx5)
313LIBS += $(CPUDIR)/imx-common/libimx-common.o
314endif
315ifeq ($(SOC),mx6)
316LIBS += $(CPUDIR)/imx-common/libimx-common.o
317endif
318
319ifeq ($(SOC),s5pc1xx)
320LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
321endif
322ifeq ($(SOC),exynos)
323LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
324endif
325
326LIBS := $(addprefix $(obj),$(sort $(LIBS)))
327.PHONY : $(LIBS)
328
329LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
330LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
331
332# Add GCC lib
333ifdef USE_PRIVATE_LIBGCC
334ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
335PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
336else
337PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
338endif
339else
340PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
341endif
342PLATFORM_LIBS += $(PLATFORM_LIBGCC)
343export PLATFORM_LIBS
344
345# Special flags for CPP when processing the linker script.
346# Pass the version down so we can handle backwards compatibility
347# on the fly.
348LDPPFLAGS += \
349 -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
350 -DCPUDIR=$(CPUDIR) \
351 $(shell $(LD) --version | \
352 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
353
354__OBJS := $(subst $(obj),,$(OBJS))
355__LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
356
357#########################################################################
358#########################################################################
359
360ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
361BOARD_SIZE_CHECK = \
362 @actual=`wc -c $@ | awk '{print $$1}'`; \
363 limit=$(CONFIG_BOARD_SIZE_LIMIT); \
364 if test $$actual -gt $$limit; then \
365 echo "$@ exceeds file size limit:"; \
366 echo " limit: $$limit bytes"; \
367 echo " actual: $$actual bytes"; \
368 echo " excess: $$((actual - limit)) bytes"; \
369 exit 1; \
370 fi
371else
372BOARD_SIZE_CHECK =
373endif
374
375# Always append ALL so that arch config.mk's can add custom ones
376ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
377
378ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
379ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
380ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
381ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
382ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
383
384all: $(ALL-y) $(SUBDIR_EXAMPLES)
385
386$(obj)u-boot.dtb: $(obj)u-boot
387 $(MAKE) -C dts binary
388 mv $(obj)dts/dt.dtb $@
389
390$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
391 cat $^ >$@
392
393$(obj)u-boot.hex: $(obj)u-boot
394 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
395
396$(obj)u-boot.srec: $(obj)u-boot
397 $(OBJCOPY) -O srec $< $@
398
399$(obj)u-boot.bin: $(obj)u-boot
400 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
401 $(BOARD_SIZE_CHECK)
402
403$(obj)u-boot.ldr: $(obj)u-boot
404 $(CREATE_LDR_ENV)
405 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
406 $(BOARD_SIZE_CHECK)
407
408$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
409 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
410
411$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
412 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
413
414$(obj)u-boot.img: $(obj)u-boot.bin
415 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
416 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
417 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
418 sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
419 -d $< $@
420
421$(obj)u-boot.imx: $(obj)u-boot.bin
422 $(obj)tools/mkimage -n $(CONFIG_IMX_CONFIG) -T imximage \
423 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
424
425$(obj)u-boot.kwb: $(obj)u-boot.bin
426 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
427 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
428
429$(obj)u-boot.sha1: $(obj)u-boot.bin
430 $(obj)tools/ubsha1 $(obj)u-boot.bin
431
432$(obj)u-boot.dis: $(obj)u-boot
433 $(OBJDUMP) -d $< > $@
434
435$(obj)u-boot.ubl: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
436 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(PAD_TO) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
437 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $(obj)u-boot-ubl.bin
438 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
439 -e $(CONFIG_SYS_TEXT_BASE) -d $(obj)u-boot-ubl.bin $(obj)u-boot.ubl
440 rm $(obj)u-boot-ubl.bin
441 rm $(obj)spl/u-boot-spl-pad.bin
442
443$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
444 $(obj)tools/mkimage -s -n /dev/null -T aisimage \
445 -e $(CONFIG_SPL_TEXT_BASE) \
446 -d $(obj)spl/u-boot-spl.bin \
447 $(obj)spl/u-boot-spl.ais
448 $(OBJCOPY) ${OBJCFLAGS} -I binary \
449 --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
450 $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
451 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.bin > \
452 $(obj)u-boot.ais
453 rm $(obj)spl/u-boot-spl{,-pad}.ais
454
455$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
456 elftosb -zdf imx28 -c $(TOPDIR)/board/$(BOARDDIR)/u-boot.bd \
457 -o $(obj)u-boot.sb
458
459ifeq ($(CONFIG_SANDBOX),y)
460GEN_UBOOT = \
461 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
462 -Wl,--start-group $(__LIBS) -Wl,--end-group \
463 $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
464else
465GEN_UBOOT = \
466 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
467 sed -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
468 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
469 --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
470 -Map u-boot.map -o u-boot
471endif
472
473$(obj)u-boot: depend \
474 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
475 $(GEN_UBOOT)
476ifeq ($(CONFIG_KALLSYMS),y)
477 smap=`$(call SYSTEM_MAP,u-boot) | \
478 awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
479 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
480 -c common/system_map.c -o $(obj)common/system_map.o
481 $(GEN_UBOOT) $(obj)common/system_map.o
482endif
483
484$(OBJS): depend
485 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
486
487$(LIBS): depend $(SUBDIR_TOOLS)
488 $(MAKE) -C $(dir $(subst $(obj),,$@))
489
490$(LIBBOARD): depend $(LIBS)
491 $(MAKE) -C $(dir $(subst $(obj),,$@))
492
493$(SUBDIRS): depend
494 $(MAKE) -C $@ all
495
496$(SUBDIR_EXAMPLES): $(obj)u-boot
497
498$(LDSCRIPT): depend
499 $(MAKE) -C $(dir $@) $(notdir $@)
500
501$(obj)u-boot.lds: $(LDSCRIPT)
502 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
503
504nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
505 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
506
507$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
508 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
509
510onenand_ipl: $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
511 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
512
513$(obj)u-boot-onenand.bin: onenand_ipl $(obj)u-boot.bin
514 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
515
516$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
517 $(MAKE) -C spl all
518
519updater:
520 $(MAKE) -C tools/updater all
521
522# Explicitly make _depend in subdirs containing multiple targets to prevent
523# parallel sub-makes creating .depend files simultaneously.
524depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
525 $(obj)include/autoconf.mk \
526 $(obj)include/generated/generic-asm-offsets.h \
527 $(obj)include/generated/asm-offsets.h
528 for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \
529 $(MAKE) -C $$dir _depend ; done
530
531TAG_SUBDIRS = $(SUBDIRS)
532TAG_SUBDIRS += $(dir $(__LIBS))
533TAG_SUBDIRS += include
534
535FIND := find
536FINDFLAGS := -L
537
538checkstack:
539 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
540 `$(FIND) $(obj) -name u-boot-spl -print` | \
541 perl $(src)tools/checkstack.pl $(ARCH)
542
543tags ctags:
544 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
545 -name '*.[chS]' -print`
546
547etags:
548 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
549 -name '*.[chS]' -print`
550cscope:
551 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
552 cscope.files
553 cscope -b -q -k
554
555SYSTEM_MAP = \
556 $(NM) $1 | \
557 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
558 LC_ALL=C sort
559$(obj)System.map: $(obj)u-boot
560 @$(call SYSTEM_MAP,$<) > $(obj)System.map
561
562checkthumb:
563 @if test $(call cc-version) -lt 0404; then \
564 echo -n '*** Your GCC does not produce working '; \
565 echo 'binaries in THUMB mode.'; \
566 echo '*** Your board is configured for THUMB mode.'; \
567 false; \
568 fi
569#
570# Auto-generate the autoconf.mk file (which is included by all makefiles)
571#
572# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
573# the dep file is only include in this top level makefile to determine when
574# to regenerate the autoconf.mk file.
575$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
576 @$(XECHO) Generating $@ ; \
577 set -e ; \
578 : Generate the dependancies ; \
579 $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
580 -MQ $(obj)include/autoconf.mk include/common.h > $@
581
582$(obj)include/autoconf.mk: $(obj)include/config.h
583 @$(XECHO) Generating $@ ; \
584 set -e ; \
585 : Extract the config macros ; \
586 $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
587 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
588 mv $@.tmp $@
589
590$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \
591 $(obj)lib/asm-offsets.s
592 @$(XECHO) Generating $@
593 tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
594
595$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \
596 $(src)lib/asm-offsets.c
597 @mkdir -p $(obj)lib
598 $(CC) -DDO_DEPS_ONLY \
599 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
600 -o $@ $(src)lib/asm-offsets.c -c -S
601
602$(obj)include/generated/asm-offsets.h: $(obj)include/autoconf.mk.dep \
603 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
604 @echo Generating $@
605 tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
606
607$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/autoconf.mk.dep
608 @mkdir -p $(obj)$(CPUDIR)/$(SOC)
609 if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
610 $(CC) -DDO_DEPS_ONLY \
611 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
612 -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
613 else \
614 touch $@; \
615 fi
616
617#########################################################################
618else # !config.mk
619all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
620$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
621$(filter-out tools,$(SUBDIRS)) \
622updater depend dep tags ctags etags cscope $(obj)System.map:
623 @echo "System not configured - see README" >&2
624 @ exit 1
625
626tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
627 $(MAKE) -C $@ all
628endif # config.mk
629
630$(VERSION_FILE):
631 @mkdir -p $(dir $(VERSION_FILE))
632 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
633 printf '#define PLAIN_VERSION "%s%s"\n' \
634 "$(U_BOOT_VERSION)" "$${localvers}" ; \
635 printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
636 "$(U_BOOT_VERSION)" "$${localvers}" ; \
637 ) > $@.tmp
638 @( printf '#define CC_VERSION_STRING "%s"\n' \
639 '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
640 @( printf '#define LD_VERSION_STRING "%s"\n' \
641 '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
642 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
643
644$(TIMESTAMP_FILE):
645 @mkdir -p $(dir $(TIMESTAMP_FILE))
646 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
647 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
648 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
649
650easylogo env gdb:
651 $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
652gdbtools: gdb
653
654tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
655 $(MAKE) -C tools HOST_TOOLS_ALL=y
656
657.PHONY : CHANGELOG
658CHANGELOG:
659 git log --no-merges U-Boot-1_1_5.. | \
660 unexpand -a | sed -e 's/\s\s*$$//' > $@
661
662include/license.h: tools/bin2header COPYING
663 cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
664#########################################################################
665
666unconfig:
667 @rm -f $(obj)include/config.h $(obj)include/config.mk \
668 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
669 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
670
671%_config:: unconfig
672 @$(MKCONFIG) -A $(@:_config=)
673
674sinclude $(obj).boards.depend
675$(obj).boards.depend: boards.cfg
676 @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
677
678#
679# Functions to generate common board directory names
680#
681lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
682ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
683
684#========================================================================
685# ARM
686#========================================================================
687
688SX1_stdout_serial_config \
689SX1_config: unconfig
690 @mkdir -p $(obj)include
691 @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
692 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
693 else \
694 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
695 fi;
696 @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
697
698#########################################################################
699## ARM1176 Systems
700#########################################################################
701smdk6400_noUSB_config \
702smdk6400_config : unconfig
703 @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
704 @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
705 @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
706 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
707 @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then \
708 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
709 else \
710 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
711 fi
712 @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
713 @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
714
715#########################################################################
716#########################################################################
717
718clean:
719 @rm -f $(obj)examples/standalone/82559_eeprom \
720 $(obj)examples/standalone/atmel_df_pow2 \
721 $(obj)examples/standalone/eepro100_eeprom \
722 $(obj)examples/standalone/hello_world \
723 $(obj)examples/standalone/interrupt \
724 $(obj)examples/standalone/mem_to_mem_idma2intr \
725 $(obj)examples/standalone/sched \
726 $(obj)examples/standalone/smc911{11,x}_eeprom \
727 $(obj)examples/standalone/test_burst \
728 $(obj)examples/standalone/timer
729 @rm -f $(obj)examples/api/demo{,.bin}
730 @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
731 $(obj)tools/env/{fw_printenv,fw_setenv} \
732 $(obj)tools/envcrc \
733 $(obj)tools/gdb/{astest,gdbcont,gdbsend} \
734 $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
735 $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
736 $(obj)tools/mk{smdk5250,}spl \
737 $(obj)tools/ncb $(obj)tools/ubsha1
738 @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
739 $(obj)board/matrix_vision/*/bootscript.img \
740 $(obj)board/voiceblue/eeprom \
741 $(obj)u-boot.lds \
742 $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \
743 $(obj)arch/blackfin/cpu/init.{lds,elf}
744 @rm -f $(obj)include/bmp_logo.h
745 @rm -f $(obj)include/bmp_logo_data.h
746 @rm -f $(obj)lib/asm-offsets.s
747 @rm -f $(obj)include/generated/asm-offsets.h
748 @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
749 @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
750 @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
751 @rm -f $(ONENAND_BIN)
752 @rm -f $(obj)onenand_ipl/u-boot.lds
753 @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
754 @rm -f $(obj)MLO
755 @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
756 @find $(OBJTREE) -type f \
757 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
758 -o -name '*.o' -o -name '*.a' -o -name '*.exe' \) -print \
759 | xargs rm -f
760
761# Removes everything not needed for testing u-boot
762tidy: clean
763 @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
764
765clobber: tidy
766 @find $(OBJTREE) -type f \( -name '*.srec' \
767 -o -name '*.bin' -o -name u-boot.img \) \
768 -print0 | xargs -0 rm -f
769 @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
770 $(obj)cscope.* $(obj)*.*~
771 @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
772 @rm -f $(obj)u-boot.kwb
773 @rm -f $(obj)u-boot.imx
774 @rm -f $(obj)u-boot.ubl
775 @rm -f $(obj)u-boot.ais
776 @rm -f $(obj)u-boot.dtb
777 @rm -f $(obj)u-boot.sb
778 @rm -f $(obj)tools/inca-swap-bytes
779 @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
780 @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c
781 @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
782 @rm -fr $(obj)include/generated
783 @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
784 @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
785 @rm -f $(obj)dts/*.tmp
786
787mrproper \
788distclean: clobber unconfig
789ifneq ($(OBJTREE),$(SRCTREE))
790 rm -rf $(obj)*
791endif
792
793backup:
794 F=`basename $(TOPDIR)` ; cd .. ; \
795 gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
796
797#########################################################################
"Das U-Boot" Source Tree