Reduce build times
[kernel/u-boot.git] / Makefile
1 #
2 # (C) Copyright 2000-2011
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
24 VERSION = 2011
25 PATCHLEVEL = 09
26 SUBLEVEL =
27 EXTRAVERSION =
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 ifndef CONFIG_SANDBOX
146 SUBDIRS += $(SUBDIR_EXAMPLES)
147 endif
148
149 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
150
151 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
152
153 # Include autoconf.mk before config.mk so that the config options are available
154 # to all top level build files.  We need the dummy all: target to prevent the
155 # dependency target in autoconf.mk.dep from being the default.
156 all:
157 sinclude $(obj)include/autoconf.mk.dep
158 sinclude $(obj)include/autoconf.mk
159
160 # load ARCH, BOARD, and CPU configuration
161 include $(obj)include/config.mk
162 export  ARCH CPU BOARD VENDOR SOC
163
164 # set default to nothing for native builds
165 ifeq ($(HOSTARCH),$(ARCH))
166 CROSS_COMPILE ?=
167 endif
168
169 # load other configuration
170 include $(TOPDIR)/config.mk
171
172 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
173 # that (or fail if absent).  Otherwise, search for a linker script in a
174 # standard location.
175
176 ifndef LDSCRIPT
177         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
178         ifdef CONFIG_SYS_LDSCRIPT
179                 # need to strip off double quotes
180                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
181         endif
182 endif
183
184 ifndef LDSCRIPT
185         ifeq ($(CONFIG_NAND_U_BOOT),y)
186                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
187                 ifeq ($(wildcard $(LDSCRIPT)),)
188                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
189                 endif
190         endif
191         ifeq ($(wildcard $(LDSCRIPT)),)
192                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
193         endif
194         ifeq ($(wildcard $(LDSCRIPT)),)
195                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
196         endif
197         ifeq ($(wildcard $(LDSCRIPT)),)
198 $(error could not find linker script)
199         endif
200 endif
201
202 #########################################################################
203 # U-Boot objects....order is important (i.e. start must be first)
204
205 OBJS  = $(CPUDIR)/start.o
206 ifeq ($(CPU),x86)
207 OBJS += $(CPUDIR)/start16.o
208 OBJS += $(CPUDIR)/resetvec.o
209 endif
210 ifeq ($(CPU),ppc4xx)
211 OBJS += $(CPUDIR)/resetvec.o
212 endif
213 ifeq ($(CPU),mpc85xx)
214 OBJS += $(CPUDIR)/resetvec.o
215 endif
216
217 OBJS := $(addprefix $(obj),$(OBJS))
218
219 LIBS  = lib/libgeneric.o
220 LIBS += lib/lzma/liblzma.o
221 LIBS += lib/lzo/liblzo.o
222 LIBS += lib/zlib/libz.o
223 LIBS += $(shell if [ -f board/$(VENDOR)/common/Makefile ]; then echo \
224         "board/$(VENDOR)/common/lib$(VENDOR).o"; fi)
225 LIBS += $(CPUDIR)/lib$(CPU).o
226 ifdef SOC
227 LIBS += $(CPUDIR)/$(SOC)/lib$(SOC).o
228 endif
229 ifeq ($(CPU),ixp)
230 LIBS += arch/arm/cpu/ixp/npe/libnpe.o
231 endif
232 ifeq ($(CONFIG_OF_EMBED),y)
233 LIBS += dts/libdts.o
234 endif
235 LIBS += arch/$(ARCH)/lib/lib$(ARCH).o
236 LIBS += fs/cramfs/libcramfs.o fs/fat/libfat.o fs/fdos/libfdos.o fs/jffs2/libjffs2.o \
237         fs/reiserfs/libreiserfs.o fs/ext2/libext2fs.o fs/yaffs2/libyaffs2.o \
238         fs/ubifs/libubifs.o
239 LIBS += net/libnet.o
240 LIBS += disk/libdisk.o
241 LIBS += drivers/bios_emulator/libatibiosemu.o
242 LIBS += drivers/block/libblock.o
243 LIBS += drivers/dma/libdma.o
244 LIBS += drivers/fpga/libfpga.o
245 LIBS += drivers/gpio/libgpio.o
246 LIBS += drivers/hwmon/libhwmon.o
247 LIBS += drivers/i2c/libi2c.o
248 LIBS += drivers/input/libinput.o
249 LIBS += drivers/misc/libmisc.o
250 LIBS += drivers/mmc/libmmc.o
251 LIBS += drivers/mtd/libmtd.o
252 LIBS += drivers/mtd/nand/libnand.o
253 LIBS += drivers/mtd/onenand/libonenand.o
254 LIBS += drivers/mtd/ubi/libubi.o
255 LIBS += drivers/mtd/spi/libspi_flash.o
256 LIBS += drivers/net/libnet.o
257 LIBS += drivers/net/phy/libphy.o
258 LIBS += drivers/pci/libpci.o
259 LIBS += drivers/pcmcia/libpcmcia.o
260 LIBS += drivers/power/libpower.o
261 LIBS += drivers/spi/libspi.o
262 ifeq ($(CPU),mpc83xx)
263 LIBS += drivers/qe/libqe.o
264 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
265 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
266 endif
267 ifeq ($(CPU),mpc85xx)
268 LIBS += drivers/qe/libqe.o
269 LIBS += drivers/net/fm/libfm.o
270 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
271 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
272 endif
273 ifeq ($(CPU),mpc86xx)
274 LIBS += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o
275 LIBS += arch/powerpc/cpu/mpc8xxx/lib8xxx.o
276 endif
277 LIBS += drivers/rtc/librtc.o
278 LIBS += drivers/serial/libserial.o
279 LIBS += drivers/twserial/libtws.o
280 LIBS += drivers/usb/eth/libusb_eth.o
281 LIBS += drivers/usb/gadget/libusb_gadget.o
282 LIBS += drivers/usb/host/libusb_host.o
283 LIBS += drivers/usb/musb/libusb_musb.o
284 LIBS += drivers/usb/phy/libusb_phy.o
285 LIBS += drivers/video/libvideo.o
286 LIBS += drivers/watchdog/libwatchdog.o
287 LIBS += common/libcommon.o
288 LIBS += lib/libfdt/libfdt.o
289 LIBS += api/libapi.o
290 LIBS += post/libpost.o
291
292 ifeq ($(SOC),am33xx)
293 LIBS += $(CPUDIR)/omap-common/libomap-common.o
294 endif
295 ifeq ($(SOC),omap3)
296 LIBS += $(CPUDIR)/omap-common/libomap-common.o
297 endif
298 ifeq ($(SOC),omap4)
299 LIBS += $(CPUDIR)/omap-common/libomap-common.o
300 endif
301
302 ifeq ($(SOC),s5pc1xx)
303 LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
304 endif
305 ifeq ($(SOC),s5pc2xx)
306 LIBS += $(CPUDIR)/s5p-common/libs5p-common.o
307 endif
308
309 LIBS := $(addprefix $(obj),$(sort $(LIBS)))
310 .PHONY : $(LIBS)
311
312 LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o
313 LIBBOARD := $(addprefix $(obj),$(LIBBOARD))
314
315 # Add GCC lib
316 ifdef USE_PRIVATE_LIBGCC
317 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
318 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
319 else
320 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
321 endif
322 else
323 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
324 endif
325 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
326 export PLATFORM_LIBS
327
328 # Special flags for CPP when processing the linker script.
329 # Pass the version down so we can handle backwards compatibility
330 # on the fly.
331 LDPPFLAGS += \
332         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
333         $(shell $(LD) --version | \
334           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
335
336 __OBJS := $(subst $(obj),,$(OBJS))
337 __LIBS := $(subst $(obj),,$(LIBS)) $(subst $(obj),,$(LIBBOARD))
338
339 #########################################################################
340 #########################################################################
341
342 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
343 BOARD_SIZE_CHECK = \
344         @actual=`wc -c $@ | awk '{print $$1}'`; \
345         limit=$(CONFIG_BOARD_SIZE_LIMIT); \
346         if test $$actual -gt $$limit; then \
347                 echo "$@ exceeds file size limit:"; \
348                 echo "  limit:  $$limit bytes"; \
349                 echo "  actual: $$actual bytes"; \
350                 echo "  excess: $$((actual - limit)) bytes"; \
351                 exit 1; \
352         fi
353 else
354 BOARD_SIZE_CHECK =
355 endif
356
357 # Always append ALL so that arch config.mk's can add custom ones
358 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
359
360 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
361 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
362 ONENAND_BIN ?= $(obj)onenand_ipl/onenand-ipl-2k.bin
363 ALL-$(CONFIG_MMC_U_BOOT) += $(obj)mmc_spl/u-boot-mmc-spl.bin
364 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
365 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
366
367 all:            $(ALL-y) $(SUBDIR_EXAMPLES)
368
369 $(obj)u-boot.dtb:       $(obj)u-boot
370                 $(MAKE) -C dts binary
371                 mv $(obj)dts/dt.dtb $@
372
373 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
374                 cat $^ >$@
375
376 $(obj)u-boot.hex:       $(obj)u-boot
377                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
378
379 $(obj)u-boot.srec:      $(obj)u-boot
380                 $(OBJCOPY) -O srec $< $@
381
382 $(obj)u-boot.bin:       $(obj)u-boot
383                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
384                 $(BOARD_SIZE_CHECK)
385
386 $(obj)u-boot.ldr:       $(obj)u-boot
387                 $(CREATE_LDR_ENV)
388                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
389                 $(BOARD_SIZE_CHECK)
390
391 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
392                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
393
394 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
395                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
396
397 $(obj)u-boot.img:       $(obj)u-boot.bin
398                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
399                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) -e 0 \
400                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
401                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
402                 -d $< $@
403
404 $(obj)u-boot.imx:       $(obj)u-boot.bin
405                 $(obj)tools/mkimage -n  $(CONFIG_IMX_CONFIG) -T imximage \
406                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
407
408 $(obj)u-boot.kwb:       $(obj)u-boot.bin
409                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
410                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
411
412 $(obj)u-boot.sha1:      $(obj)u-boot.bin
413                 $(obj)tools/ubsha1 $(obj)u-boot.bin
414
415 $(obj)u-boot.dis:       $(obj)u-boot
416                 $(OBJDUMP) -d $< > $@
417
418 $(obj)u-boot.ubl:       $(obj)u-boot-nand.bin
419                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
420                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
421
422 ifeq ($(CONFIG_SANDBOX),y)
423 GEN_UBOOT = \
424                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
425                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
426                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
427 else
428 GEN_UBOOT = \
429                 UNDEF_SYM=`$(OBJDUMP) -x $(LIBBOARD) $(LIBS) | \
430                 sed  -n -e 's/.*\($(SYM_PREFIX)__u_boot_cmd_.*\)/-u\1/p'|sort|uniq`;\
431                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) $$UNDEF_SYM $(__OBJS) \
432                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
433                         -Map u-boot.map -o u-boot
434 endif
435
436 $(obj)u-boot:   depend \
437                 $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
438                 $(GEN_UBOOT)
439 ifeq ($(CONFIG_KALLSYMS),y)
440                 smap=`$(call SYSTEM_MAP,u-boot) | \
441                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
442                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
443                         -c common/system_map.c -o $(obj)common/system_map.o
444                 $(GEN_UBOOT) $(obj)common/system_map.o
445 endif
446
447 $(OBJS):        depend
448                 $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@))
449
450 $(LIBS):        depend $(SUBDIR_TOOLS)
451                 $(MAKE) -C $(dir $(subst $(obj),,$@))
452
453 $(LIBBOARD):    depend $(LIBS)
454                 $(MAKE) -C $(dir $(subst $(obj),,$@))
455
456 $(SUBDIRS):     depend
457                 $(MAKE) -C $@ all
458
459 $(SUBDIR_EXAMPLES): $(obj)u-boot
460
461 $(LDSCRIPT):    depend
462                 $(MAKE) -C $(dir $@) $(notdir $@)
463
464 $(obj)u-boot.lds: $(LDSCRIPT)
465                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$^ >$@
466
467 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
468                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
469
470 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
471                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
472
473 onenand_ipl:    $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
474                 $(MAKE) -C onenand_ipl/board/$(BOARDDIR) all
475
476 $(obj)u-boot-onenand.bin:       onenand_ipl $(obj)u-boot.bin
477                 cat $(ONENAND_BIN) $(obj)u-boot.bin > $(obj)u-boot-onenand.bin
478
479 mmc_spl:        $(TIMESTAMP_FILE) $(VERSION_FILE) depend
480                 $(MAKE) -C mmc_spl/board/$(BOARDDIR) all
481
482 $(obj)mmc_spl/u-boot-mmc-spl.bin:       mmc_spl
483
484 $(obj)spl/u-boot-spl.bin:               depend
485                 $(MAKE) -C spl all
486
487 updater:
488                 $(MAKE) -C tools/updater all
489
490 # Explicitly make _depend in subdirs containing multiple targets to prevent
491 # parallel sub-makes creating .depend files simultaneously.
492 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
493                 $(obj)include/autoconf.mk \
494                 $(obj)include/generated/generic-asm-offsets.h \
495                 $(obj)include/generated/asm-offsets.h
496                 for dir in $(SUBDIRS) $(CPUDIR) $(dir $(LDSCRIPT)) ; do \
497                         $(MAKE) -C $$dir _depend ; done
498
499 TAG_SUBDIRS = $(SUBDIRS)
500 TAG_SUBDIRS += $(dir $(__LIBS))
501 TAG_SUBDIRS += include
502
503 FIND := find
504 FINDFLAGS := -L
505
506 tags ctags:
507                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
508                                                 -name '*.[chS]' -print`
509
510 etags:
511                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
512                                                 -name '*.[chS]' -print`
513 cscope:
514                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
515                                                 cscope.files
516                 cscope -b -q -k
517
518 SYSTEM_MAP = \
519                 $(NM) $1 | \
520                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
521                 LC_ALL=C sort
522 $(obj)System.map:       $(obj)u-boot
523                 @$(call SYSTEM_MAP,$<) > $(obj)System.map
524
525 #
526 # Auto-generate the autoconf.mk file (which is included by all makefiles)
527 #
528 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
529 # the dep file is only include in this top level makefile to determine when
530 # to regenerate the autoconf.mk file.
531 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
532         @$(XECHO) Generating $@ ; \
533         set -e ; \
534         : Generate the dependancies ; \
535         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
536                 -MQ $(obj)include/autoconf.mk include/common.h > $@
537
538 $(obj)include/autoconf.mk: $(obj)include/config.h
539         @$(XECHO) Generating $@ ; \
540         set -e ; \
541         : Extract the config macros ; \
542         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
543                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
544         mv $@.tmp $@
545
546 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
547         $(obj)lib/asm-offsets.s
548         @$(XECHO) Generating $@
549         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
550
551 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
552         $(src)lib/asm-offsets.c
553         @mkdir -p $(obj)lib
554         $(CC) -DDO_DEPS_ONLY \
555                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
556                 -o $@ $(src)lib/asm-offsets.c -c -S
557
558 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
559         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
560         @echo Generating $@
561         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
562
563 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep
564         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
565         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
566                 $(CC) -DDO_DEPS_ONLY \
567                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
568                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
569         else \
570                 touch $@; \
571         fi
572
573 #########################################################################
574 else    # !config.mk
575 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
576 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
577 $(filter-out tools,$(SUBDIRS)) \
578 updater depend dep tags ctags etags cscope $(obj)System.map:
579         @echo "System not configured - see README" >&2
580         @ exit 1
581
582 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
583         $(MAKE) -C $@ all
584 endif   # config.mk
585
586 $(VERSION_FILE):
587                 @mkdir -p $(dir $(VERSION_FILE))
588                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
589                    printf '#define PLAIN_VERSION "%s%s"\n' \
590                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
591                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
592                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
593                 ) > $@.tmp
594                 @( printf '#define CC_VERSION_STRING "%s"\n' \
595                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
596                 @( printf '#define LD_VERSION_STRING "%s"\n' \
597                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
598                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
599
600 $(TIMESTAMP_FILE):
601                 @mkdir -p $(dir $(TIMESTAMP_FILE))
602                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
603                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
604                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
605
606 easylogo env gdb:
607         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
608 gdbtools: gdb
609
610 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
611         $(MAKE) -C tools HOST_TOOLS_ALL=y
612
613 .PHONY : CHANGELOG
614 CHANGELOG:
615         git log --no-merges U-Boot-1_1_5.. | \
616         unexpand -a | sed -e 's/\s\s*$$//' > $@
617
618 include/license.h: tools/bin2header COPYING
619         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
620 #########################################################################
621
622 unconfig:
623         @rm -f $(obj)include/config.h $(obj)include/config.mk \
624                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
625                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep
626
627 %_config::      unconfig
628         @$(MKCONFIG) -A $(@:_config=)
629
630 sinclude $(obj).boards.depend
631 $(obj).boards.depend:   boards.cfg
632         awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@
633
634 #
635 # Functions to generate common board directory names
636 #
637 lcname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/')
638 ucname  = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/')
639
640 #########################################################################
641 ## Coldfire
642 #########################################################################
643 M52277EVB_config \
644 M52277EVB_spansion_config \
645 M52277EVB_stmicro_config :      unconfig
646         @mkdir -p $(obj)include
647         @mkdir -p $(obj)board/freescale/m52277evb
648         @case "$@" in \
649         M52277EVB_config)               FLASH=SPANSION;; \
650         M52277EVB_spansion_config)      FLASH=SPANSION;; \
651         M52277EVB_stmicro_config)       FLASH=STMICRO;; \
652         esac; \
653         if [ "$${FLASH}" = "SPANSION" ] ; then \
654                 echo "#define CONFIG_SYS_SPANSION_BOOT" >> $(obj)include/config.h ; \
655                 echo "CONFIG_SYS_TEXT_BASE = 0x00000000" > $(obj)board/freescale/m52277evb/config.tmp ; \
656         fi; \
657         if [ "$${FLASH}" = "STMICRO" ] ; then \
658                 echo "#define CONFIG_CF_SBF"    >> $(obj)include/config.h ; \
659                 echo "#define CONFIG_SYS_STMICRO_BOOT"  >> $(obj)include/config.h ; \
660                 echo "CONFIG_SYS_TEXT_BASE = 0x43E00000" > $(obj)board/freescale/m52277evb/config.tmp ; \
661         fi
662         @$(MKCONFIG) -n $@ -a M52277EVB m68k mcf5227x m52277evb freescale
663
664 M5235EVB_config \
665 M5235EVB_Flash16_config \
666 M5235EVB_Flash32_config:        unconfig
667         @mkdir -p $(obj)include
668         @mkdir -p $(obj)board/freescale/m5235evb
669         @case "$@" in \
670         M5235EVB_config)                FLASH=16;; \
671         M5235EVB_Flash16_config)        FLASH=16;; \
672         M5235EVB_Flash32_config)        FLASH=32;; \
673         esac; \
674         if [ "$${FLASH}" != "16" ] ; then \
675                 echo "#define NORFLASH_PS32BIT  1" >> $(obj)include/config.h ; \
676                 echo "CONFIG_SYS_TEXT_BASE = 0xFFC00000" > $(obj)board/freescale/m5235evb/config.tmp ; \
677         else \
678                 echo "CONFIG_SYS_TEXT_BASE = 0xFFE00000" > $(obj)board/freescale/m5235evb/config.tmp ; \
679         fi
680         @$(MKCONFIG) -n $@ -a M5235EVB m68k mcf523x m5235evb freescale
681
682 EB+MCF-EV123_config :           unconfig
683         @mkdir -p $(obj)board/BuS/EB+MCF-EV123
684         @echo "CONFIG_SYS_TEXT_BASE = 0xFFE00000"|tee $(obj)board/BuS/EB+MCF-EV123/textbase.mk
685         @$(MKCONFIG) -n $@ EB+MCF-EV123 m68k mcf52x2 EB+MCF-EV123 BuS
686
687 EB+MCF-EV123_internal_config :  unconfig
688         @mkdir -p $(obj)board/BuS/EB+MCF-EV123
689         @echo "CONFIG_SYS_TEXT_BASE = 0xF0000000"|tee $(obj)board/BuS/EB+MCF-EV123/textbase.mk
690         @$(MKCONFIG) -n $@ EB+MCF-EV123 m68k mcf52x2 EB+MCF-EV123 BuS
691
692 M54451EVB_config \
693 M54451EVB_stmicro_config :      unconfig
694         @mkdir -p $(obj)include
695         @mkdir -p $(obj)board/freescale/m54451evb
696         @case "$@" in \
697         M54451EVB_config)               FLASH=NOR;; \
698         M54451EVB_stmicro_config)       FLASH=STMICRO;; \
699         esac; \
700         if [ "$${FLASH}" = "NOR" ] ; then \
701                 echo "CONFIG_SYS_TEXT_BASE = 0x00000000" > $(obj)board/freescale/m54451evb/config.tmp ; \
702         fi; \
703         if [ "$${FLASH}" = "STMICRO" ] ; then \
704                 echo "#define CONFIG_CF_SBF"    >> $(obj)include/config.h ; \
705                 echo "#define CONFIG_SYS_STMICRO_BOOT"  >> $(obj)include/config.h ; \
706                 echo "CONFIG_SYS_TEXT_BASE = 0x47E00000" > $(obj)board/freescale/m54451evb/config.tmp ; \
707         fi; \
708         echo "#define CONFIG_SYS_INPUT_CLKSRC 24000000" >> $(obj)include/config.h ;
709         @$(MKCONFIG) -n $@ -a M54451EVB m68k mcf5445x m54451evb freescale
710
711 M54455EVB_config \
712 M54455EVB_atmel_config \
713 M54455EVB_intel_config \
714 M54455EVB_a33_config \
715 M54455EVB_a66_config \
716 M54455EVB_i33_config \
717 M54455EVB_i66_config \
718 M54455EVB_stm33_config :        unconfig
719         @mkdir -p $(obj)include
720         @mkdir -p $(obj)board/freescale/m54455evb
721         @case "$@" in \
722         M54455EVB_config)               FLASH=ATMEL; FREQ=33333333;; \
723         M54455EVB_atmel_config)         FLASH=ATMEL; FREQ=33333333;; \
724         M54455EVB_intel_config)         FLASH=INTEL; FREQ=33333333;; \
725         M54455EVB_a33_config)           FLASH=ATMEL; FREQ=33333333;; \
726         M54455EVB_a66_config)           FLASH=ATMEL; FREQ=66666666;; \
727         M54455EVB_i33_config)           FLASH=INTEL; FREQ=33333333;; \
728         M54455EVB_i66_config)           FLASH=INTEL; FREQ=66666666;; \
729         M54455EVB_stm33_config)         FLASH=STMICRO; FREQ=33333333;; \
730         esac; \
731         if [ "$${FLASH}" = "INTEL" ] ; then \
732                 echo "#define CONFIG_SYS_INTEL_BOOT" >> $(obj)include/config.h ; \
733                 echo "CONFIG_SYS_TEXT_BASE = 0x00000000" > $(obj)board/freescale/m54455evb/config.tmp ; \
734         fi; \
735         if [ "$${FLASH}" = "ATMEL" ] ; then \
736                 echo "#define CONFIG_SYS_ATMEL_BOOT"    >> $(obj)include/config.h ; \
737                 echo "CONFIG_SYS_TEXT_BASE = 0x04000000" > $(obj)board/freescale/m54455evb/config.tmp ; \
738         fi; \
739         if [ "$${FLASH}" = "STMICRO" ] ; then \
740                 echo "#define CONFIG_CF_SBF"    >> $(obj)include/config.h ; \
741                 echo "#define CONFIG_SYS_STMICRO_BOOT"  >> $(obj)include/config.h ; \
742                 echo "CONFIG_SYS_TEXT_BASE = 0x4FE00000" > $(obj)board/freescale/m54455evb/config.tmp ; \
743         fi; \
744         echo "#define CONFIG_SYS_INPUT_CLKSRC $${FREQ}" >> $(obj)include/config.h ; \
745         $(XECHO) "... with $${FREQ}Hz input clock"
746         @$(MKCONFIG) -n $@ -a M54455EVB m68k mcf5445x m54455evb freescale
747
748 #========================================================================
749 # ARM
750 #========================================================================
751
752 xtract_omap1610xxx = $(subst _cs0boot,,$(subst _cs3boot,,$(subst _cs_autoboot,,$(subst _config,,$1))))
753
754 omap1610inn_config \
755 omap1610inn_cs0boot_config \
756 omap1610inn_cs3boot_config \
757 omap1610inn_cs_autoboot_config \
758 omap1610h2_config \
759 omap1610h2_cs0boot_config \
760 omap1610h2_cs3boot_config \
761 omap1610h2_cs_autoboot_config:  unconfig
762         @mkdir -p $(obj)include
763         @if [ "$(findstring _cs0boot_, $@)" ] ; then \
764                 echo "#define CONFIG_CS0_BOOT" >> .$(obj)include/config.h ; \
765         elif [ "$(findstring _cs_autoboot_, $@)" ] ; then \
766                 echo "#define CONFIG_CS_AUTOBOOT" >> $(obj)include/config.h ; \
767         else \
768                 echo "#define CONFIG_CS3_BOOT" >> $(obj)include/config.h ; \
769         fi;
770         @$(MKCONFIG) -n $@ -a $(call xtract_omap1610xxx,$@) arm arm926ejs omap1610inn ti omap
771
772 omap730p2_config \
773 omap730p2_cs0boot_config \
774 omap730p2_cs3boot_config :      unconfig
775         @mkdir -p $(obj)include
776         @if [ "$(findstring _cs0boot_, $@)" ] ; then \
777                 echo "#define CONFIG_CS0_BOOT" >> $(obj)include/config.h ; \
778         else \
779                 echo "#define CONFIG_CS3_BOOT" >> $(obj)include/config.h ; \
780         fi;
781         @$(MKCONFIG) -n $@ -a omap730p2 arm arm926ejs omap730p2 ti omap
782
783 spear300_config \
784 spear310_config \
785 spear320_config :       unconfig
786         @$(MKCONFIG) -n $@ -t $@ spear3xx arm arm926ejs $(@:_config=) spear spear
787
788 spear600_config :       unconfig
789         @$(MKCONFIG) -n $@ -t $@ spear6xx arm arm926ejs $(@:_config=) spear spear
790
791 SX1_stdout_serial_config \
792 SX1_config:             unconfig
793         @mkdir -p $(obj)include
794         @if [ "$(findstring _stdout_serial_, $@)" ] ; then \
795                 echo "#undef CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
796         else \
797                 echo "#define CONFIG_STDOUT_USBTTY" >> $(obj)include/config.h ; \
798         fi;
799         @$(MKCONFIG) -n $@ SX1 arm arm925t sx1
800
801 #########################################################################
802 ## XScale Systems
803 #########################################################################
804
805 pdnb3_config \
806 scpu_config:    unconfig
807         @mkdir -p $(obj)include
808         @if [ "$(findstring scpu_,$@)" ] ; then \
809                 echo "#define CONFIG_SCPU"      >>$(obj)include/config.h ; \
810         fi
811         @$(MKCONFIG) -n $@ -a pdnb3 arm ixp pdnb3 prodrive
812
813 #########################################################################
814 ## ARM1136 Systems
815 #########################################################################
816
817 apollon_config          : unconfig
818         @mkdir -p $(obj)include
819         @echo "#define CONFIG_ONENAND_U_BOOT" > $(obj)include/config.h
820         @echo "CONFIG_ONENAND_U_BOOT = y" >> $(obj)include/config.mk
821         @$(MKCONFIG) $@ arm arm1136 apollon - omap24xx
822
823 #########################################################################
824 ## ARM1176 Systems
825 #########################################################################
826 smdk6400_noUSB_config   \
827 smdk6400_config :       unconfig
828         @mkdir -p $(obj)include $(obj)board/samsung/smdk6400
829         @mkdir -p $(obj)nand_spl/board/samsung/smdk6400
830         @echo "#define CONFIG_NAND_U_BOOT" > $(obj)include/config.h
831         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
832         @if [ -z "$(findstring smdk6400_noUSB_config,$@)" ]; then                       \
833                 echo "RAM_TEXT = 0x57e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
834         else                                                                            \
835                 echo "RAM_TEXT = 0xc7e00000" >> $(obj)board/samsung/smdk6400/config.tmp;\
836         fi
837         @$(MKCONFIG) smdk6400 arm arm1176 smdk6400 samsung s3c64xx
838         @echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
839
840 #########################################################################
841 #########################################################################
842
843 clean:
844         @rm -f $(obj)examples/standalone/82559_eeprom                     \
845                $(obj)examples/standalone/atmel_df_pow2                    \
846                $(obj)examples/standalone/eepro100_eeprom                  \
847                $(obj)examples/standalone/hello_world                      \
848                $(obj)examples/standalone/interrupt                        \
849                $(obj)examples/standalone/mem_to_mem_idma2intr             \
850                $(obj)examples/standalone/sched                            \
851                $(obj)examples/standalone/smc911{11,x}_eeprom              \
852                $(obj)examples/standalone/test_burst                       \
853                $(obj)examples/standalone/timer
854         @rm -f $(obj)examples/api/demo{,.bin}
855         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
856                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
857                $(obj)tools/envcrc                                         \
858                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
859                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
860                $(obj)tools/mkimage         $(obj)tools/mpc86x_clk         \
861                $(obj)tools/ncb             $(obj)tools/ubsha1
862         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
863                $(obj)board/matrix_vision/*/bootscript.img                 \
864                $(obj)board/voiceblue/eeprom                               \
865                $(obj)u-boot.lds                                           \
866                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
867                $(obj)arch/blackfin/cpu/init.{lds,elf}
868         @rm -f $(obj)include/bmp_logo.h
869         @rm -f $(obj)lib/asm-offsets.s
870         @rm -f $(obj)include/generated/asm-offsets.h
871         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
872         @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map,System.map}
873         @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
874         @rm -f $(obj)mmc_spl/{u-boot.lds,u-boot-spl,u-boot-spl.map,u-boot-spl.bin,u-boot-mmc-spl.bin}
875         @rm -f $(ONENAND_BIN)
876         @rm -f $(obj)onenand_ipl/u-boot.lds
877         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.lds,u-boot-spl.map}
878         @rm -f $(obj)MLO
879         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
880         @find $(OBJTREE) -type f \
881                 \( -name 'core' -o -name '*.bak' -o -name '*~' \
882                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \) -print \
883                 | xargs rm -f
884
885 clobber:        clean
886         @find $(OBJTREE) -type f \( -name '*.depend*' \
887                 -o -name '*.srec' -o -name '*.bin' -o -name u-boot.img \) \
888                 -print0 \
889                 | xargs -0 rm -f
890         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
891                 $(obj)cscope.* $(obj)*.*~
892         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
893         @rm -f $(obj)u-boot.kwb
894         @rm -f $(obj)u-boot.imx
895         @rm -f $(obj)u-boot.ubl
896         @rm -f $(obj)u-boot.dtb
897         @rm -f $(obj)tools/{env/crc32.c,inca-swap-bytes}
898         @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
899         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
900         @rm -fr $(obj)include/generated
901         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
902         @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f
903         @[ ! -d $(obj)mmc_spl ] || find $(obj)mmc_spl -name "*" -type l -print | xargs rm -f
904         @rm -f $(obj)dts/*.tmp
905
906 mrproper \
907 distclean:      clobber unconfig
908 ifneq ($(OBJTREE),$(SRCTREE))
909         rm -rf $(obj)*
910 endif
911
912 backup:
913         F=`basename $(TOPDIR)` ; cd .. ; \
914         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
915
916 #########################################################################