Prepare v2014.01-rc1
[karo-tx-uboot.git] / Makefile
1 #
2 # (C) Copyright 2000-2013
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4 #
5 # SPDX-License-Identifier:      GPL-2.0+
6 #
7
8 VERSION = 2014
9 PATCHLEVEL = 01
10 SUBLEVEL =
11 EXTRAVERSION = -rc1
12 ifneq "$(SUBLEVEL)" ""
13 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
14 else
15 U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
16 endif
17 TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
18 VERSION_FILE = $(obj)include/generated/version_autogenerated.h
19
20 HOSTARCH := $(shell uname -m | \
21         sed -e s/i.86/x86/ \
22             -e s/sun4u/sparc64/ \
23             -e s/arm.*/arm/ \
24             -e s/sa110/arm/ \
25             -e s/ppc64/powerpc/ \
26             -e s/ppc/powerpc/ \
27             -e s/macppc/powerpc/\
28             -e s/sh.*/sh/)
29
30 HOSTOS := $(shell uname -s | tr '[:upper:]' '[:lower:]' | \
31             sed -e 's/\(cygwin\).*/cygwin/')
32
33 export  HOSTARCH HOSTOS
34
35 # Deal with colliding definitions from tcsh etc.
36 VENDOR=
37
38 #########################################################################
39 # Allow for silent builds
40 ifeq (,$(findstring s,$(MAKEFLAGS)))
41 XECHO = echo
42 else
43 XECHO = :
44 endif
45
46 #########################################################################
47 #
48 # U-boot build supports generating object files in a separate external
49 # directory. Two use cases are supported:
50 #
51 # 1) Add O= to the make command line
52 # 'make O=/tmp/build all'
53 #
54 # 2) Set environment variable BUILD_DIR to point to the desired location
55 # 'export BUILD_DIR=/tmp/build'
56 # 'make'
57 #
58 # The second approach can also be used with a MAKEALL script
59 # 'export BUILD_DIR=/tmp/build'
60 # './MAKEALL'
61 #
62 # Command line 'O=' setting overrides BUILD_DIR environment variable.
63 #
64 # When none of the above methods is used the local build is performed and
65 # the object files are placed in the source directory.
66 #
67
68 ifeq ("$(origin O)", "command line")
69 BUILD_DIR := $(O)
70 endif
71
72 # Call a source code checker (by default, "sparse") as part of the
73 # C compilation.
74 #
75 # Use 'make C=1' to enable checking of re-compiled files.
76 #
77 # See the linux kernel file "Documentation/sparse.txt" for more details,
78 # including where to get the "sparse" utility.
79
80 ifdef C
81 ifeq ("$(origin C)", "command line")
82 CHECKSRC := $(C)
83 endif
84 endif
85 ifndef CHECKSRC
86   CHECKSRC = 0
87 endif
88 export CHECKSRC
89
90 ifneq ($(BUILD_DIR),)
91 saved-output := $(BUILD_DIR)
92
93 # Attempt to create a output directory.
94 $(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
95
96 # Verify if it was successful.
97 BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
98 $(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
99 endif # ifneq ($(BUILD_DIR),)
100
101 OBJTREE         := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
102 SPLTREE         := $(OBJTREE)/spl
103 TPLTREE         := $(OBJTREE)/tpl
104 SRCTREE         := $(CURDIR)
105 TOPDIR          := $(SRCTREE)
106 LNDIR           := $(OBJTREE)
107 export  TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
108
109 MKCONFIG        := $(SRCTREE)/mkconfig
110 export MKCONFIG
111
112 ifneq ($(OBJTREE),$(SRCTREE))
113 REMOTE_BUILD    := 1
114 export REMOTE_BUILD
115 endif
116
117 # $(obj) and (src) are defined in config.mk but here in main Makefile
118 # we also need them before config.mk is included which is the case for
119 # some targets like unconfig, clean, clobber, distclean, etc.
120 ifneq ($(OBJTREE),$(SRCTREE))
121 obj := $(OBJTREE)/
122 src := $(SRCTREE)/
123 else
124 obj :=
125 src :=
126 endif
127 export obj src
128
129 # Make sure CDPATH settings don't interfere
130 unexport CDPATH
131
132 #########################################################################
133
134 # The "tools" are needed early, so put this first
135 # Don't include stuff already done in $(LIBS)
136 # The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
137 # is "yes"), so compile examples after U-Boot is compiled.
138 SUBDIR_TOOLS = tools
139 SUBDIRS = $(SUBDIR_TOOLS)
140
141 .PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
142
143 ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
144
145 # Include autoconf.mk before config.mk so that the config options are available
146 # to all top level build files.  We need the dummy all: target to prevent the
147 # dependency target in autoconf.mk.dep from being the default.
148 all:
149 sinclude $(obj)include/autoconf.mk.dep
150 sinclude $(obj)include/autoconf.mk
151
152 SUBDIR_EXAMPLES-y := examples/standalone
153 SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
154 ifndef CONFIG_SANDBOX
155 SUBDIRS += $(SUBDIR_EXAMPLES-y)
156 endif
157
158 # load ARCH, BOARD, and CPU configuration
159 include $(obj)include/config.mk
160 export  ARCH CPU BOARD VENDOR SOC
161
162 # set default to nothing for native builds
163 ifeq ($(HOSTARCH),$(ARCH))
164 CROSS_COMPILE ?=
165 endif
166
167 # load other configuration
168 include $(TOPDIR)/config.mk
169
170 # Targets which don't build the source code
171 NON_BUILD_TARGETS = backup clean clobber distclean mkproper tidy unconfig
172
173 # Only do the generic board check when actually building, not configuring
174 ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
175 ifeq ($(findstring _config,$(MAKECMDGOALS)),)
176 $(CHECK_GENERIC_BOARD)
177 endif
178 endif
179
180 # If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
181 # that (or fail if absent).  Otherwise, search for a linker script in a
182 # standard location.
183
184 LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
185
186 ifndef LDSCRIPT
187         #LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
188         ifdef CONFIG_SYS_LDSCRIPT
189                 # need to strip off double quotes
190                 LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT))
191         endif
192 endif
193
194 # If there is no specified link script, we look in a number of places for it
195 ifndef LDSCRIPT
196         ifeq ($(CONFIG_NAND_U_BOOT),y)
197                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
198                 ifeq ($(wildcard $(LDSCRIPT)),)
199                         LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds
200                 endif
201         endif
202         ifeq ($(wildcard $(LDSCRIPT)),)
203                 LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds
204         endif
205         ifeq ($(wildcard $(LDSCRIPT)),)
206                 LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds
207         endif
208         ifeq ($(wildcard $(LDSCRIPT)),)
209                 LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
210                 # We don't expect a Makefile here
211                 LDSCRIPT_MAKEFILE_DIR =
212         endif
213         ifeq ($(wildcard $(LDSCRIPT)),)
214 $(error could not find linker script)
215         endif
216 endif
217
218 #########################################################################
219 # U-Boot objects....order is important (i.e. start must be first)
220
221 OBJS  = $(CPUDIR)/start.o
222 ifeq ($(CPU),ppc4xx)
223 OBJS += $(CPUDIR)/resetvec.o
224 endif
225 ifeq ($(CPU),mpc85xx)
226 OBJS += $(CPUDIR)/resetvec.o
227 endif
228
229 OBJS := $(addprefix $(obj),$(OBJS))
230
231 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
232
233 LIBS-y += lib/
234 LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
235 LIBS-y += $(CPUDIR)/
236 ifdef SOC
237 LIBS-y += $(CPUDIR)/$(SOC)/
238 endif
239 LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
240 LIBS-$(CONFIG_OF_EMBED) += dts/
241 LIBS-y += arch/$(ARCH)/lib/
242 LIBS-y += fs/
243 LIBS-y += net/
244 LIBS-y += disk/
245 LIBS-y += drivers/
246 LIBS-y += drivers/dma/
247 LIBS-y += drivers/gpio/
248 LIBS-y += drivers/i2c/
249 LIBS-y += drivers/input/
250 LIBS-y += drivers/mmc/
251 LIBS-y += drivers/mtd/
252 LIBS-y += drivers/mtd/nand/
253 LIBS-y += drivers/mtd/onenand/
254 LIBS-y += drivers/mtd/ubi/
255 LIBS-y += drivers/mtd/spi/
256 LIBS-y += drivers/net/
257 LIBS-y += drivers/net/phy/
258 LIBS-y += drivers/pci/
259 LIBS-y += drivers/power/ \
260         drivers/power/fuel_gauge/ \
261         drivers/power/mfd/ \
262         drivers/power/pmic/ \
263         drivers/power/battery/
264 LIBS-y += drivers/spi/
265 LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
266 LIBS-y += drivers/serial/
267 LIBS-y += drivers/usb/eth/
268 LIBS-y += drivers/usb/gadget/
269 LIBS-y += drivers/usb/host/
270 LIBS-y += drivers/usb/musb/
271 LIBS-y += drivers/usb/musb-new/
272 LIBS-y += drivers/usb/phy/
273 LIBS-y += drivers/usb/ulpi/
274 LIBS-y += common/
275 LIBS-y += lib/libfdt/
276 LIBS-$(CONFIG_API) += api/
277 LIBS-y += post/
278 LIBS-y += test/
279
280 ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
281 LIBS-y += arch/$(ARCH)/imx-common/
282 endif
283
284 LIBS-$(CONFIG_ARM) += arch/arm/cpu/
285 LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
286
287 LIBS-y += board/$(BOARDDIR)/
288
289 LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
290 LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
291 .PHONY : $(LIBS)
292
293 # Add GCC lib
294 ifdef USE_PRIVATE_LIBGCC
295 ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
296 PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
297 else
298 PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
299 endif
300 else
301 PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
302 endif
303 PLATFORM_LIBS += $(PLATFORM_LIBGCC)
304 export PLATFORM_LIBS
305
306 # Special flags for CPP when processing the linker script.
307 # Pass the version down so we can handle backwards compatibility
308 # on the fly.
309 LDPPFLAGS += \
310         -include $(TOPDIR)/include/u-boot/u-boot.lds.h \
311         -DCPUDIR=$(CPUDIR) \
312         $(shell $(LD) --version | \
313           sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
314
315 __OBJS := $(subst $(obj),,$(OBJS))
316 __LIBS := $(subst $(obj),,$(LIBS))
317
318 #########################################################################
319 #########################################################################
320
321 ifneq ($(CONFIG_BOARD_SIZE_LIMIT),)
322 BOARD_SIZE_CHECK = \
323         @actual=`wc -c $@ | awk '{print $$1}'`; \
324         limit=`printf "%d" $(CONFIG_BOARD_SIZE_LIMIT)`; \
325         if test $$actual -gt $$limit; then \
326                 echo "$@ exceeds file size limit:" >&2 ; \
327                 echo "  limit:  $$limit bytes" >&2 ; \
328                 echo "  actual: $$actual bytes" >&2 ; \
329                 echo "  excess: $$((actual - limit)) bytes" >&2; \
330                 exit 1; \
331         fi
332 else
333 BOARD_SIZE_CHECK =
334 endif
335
336 # Always append ALL so that arch config.mk's can add custom ones
337 ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
338
339 ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
340 ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
341 ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
342 ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
343 ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
344 ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
345 ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
346 ifneq ($(CONFIG_SPL_TARGET),)
347 ALL-$(CONFIG_SPL) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET))
348 endif
349
350 # enable combined SPL/u-boot/dtb rules for tegra
351 ifneq ($(CONFIG_TEGRA),)
352 ifeq ($(CONFIG_OF_SEPARATE),y)
353 ALL-y += $(obj)u-boot-dtb-tegra.bin
354 else
355 ALL-y += $(obj)u-boot-nodtb-tegra.bin
356 endif
357 endif
358
359 build := -f $(TOPDIR)/scripts/Makefile.build -C
360
361 all:            $(ALL-y) $(SUBDIR_EXAMPLES-y)
362
363 $(obj)u-boot.dtb:       checkdtc $(obj)u-boot
364                 $(MAKE) $(build) dts binary
365                 mv $(obj)dts/dt.dtb $@
366
367 $(obj)u-boot-dtb.bin:   $(obj)u-boot.bin $(obj)u-boot.dtb
368                 cat $^ >$@
369
370 $(obj)u-boot.hex:       $(obj)u-boot
371                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
372
373 $(obj)u-boot.srec:      $(obj)u-boot
374                 $(OBJCOPY) -O srec $< $@
375
376 $(obj)u-boot.bin:       $(obj)u-boot
377                 $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
378                 $(BOARD_SIZE_CHECK)
379
380 $(obj)u-boot.ldr:       $(obj)u-boot
381                 $(CREATE_LDR_ENV)
382                 $(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
383                 $(BOARD_SIZE_CHECK)
384
385 $(obj)u-boot.ldr.hex:   $(obj)u-boot.ldr
386                 $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
387
388 $(obj)u-boot.ldr.srec:  $(obj)u-boot.ldr
389                 $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
390
391 #
392 # U-Boot entry point, needed for booting of full-blown U-Boot
393 # from the SPL U-Boot version.
394 #
395 ifndef CONFIG_SYS_UBOOT_START
396 CONFIG_SYS_UBOOT_START := 0
397 endif
398
399 $(obj)u-boot.img:       $(obj)u-boot.bin
400                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
401                 -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
402                 -e $(CONFIG_SYS_UBOOT_START) \
403                 -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
404                         sed -e 's/"[     ]*$$/ for $(BOARD) board"/') \
405                 -d $< $@
406
407 $(obj)u-boot.imx: $(obj)u-boot.bin depend
408                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
409
410 $(obj)u-boot.kwb:       $(obj)u-boot.bin
411                 $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
412                 -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
413
414 $(obj)u-boot.pbl:       $(obj)u-boot.bin
415                 $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
416                 -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
417                 -d $< $@
418
419 $(obj)u-boot.sha1:      $(obj)u-boot.bin
420                 $(obj)tools/ubsha1 $(obj)u-boot.bin
421
422 $(obj)u-boot.dis:       $(obj)u-boot
423                 $(OBJDUMP) -d $< > $@
424
425 # $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
426 # $(4) is pad-to
427 SPL_PAD_APPEND = \
428                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
429                 $(1) $(obj)$(3); \
430                 cat $(obj)$(3) $(2) > $@; \
431                 rm $(obj)$(3)
432
433 ifdef CONFIG_TPL
434 SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
435 else
436 SPL_PAYLOAD := $(obj)u-boot.bin
437 endif
438
439 $(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
440                 $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
441
442 $(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
443                 $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
444
445 $(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
446                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
447                         $(OBJTREE)/u-boot-with-spl.imx
448
449 $(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
450                 $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
451                         $(OBJTREE)/u-boot-with-nand-spl.imx
452
453 $(obj)u-boot.ubl:       $(obj)u-boot-with-spl.bin
454                 $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
455                 -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
456
457 $(obj)u-boot.ais:       $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
458                 $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
459                         -T aisimage \
460                         -e $(CONFIG_SPL_TEXT_BASE) \
461                         -d $(obj)spl/u-boot-spl.bin \
462                         $(obj)spl/u-boot-spl.ais
463                 $(OBJCOPY) ${OBJCFLAGS} -I binary \
464                         --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
465                         $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
466                 cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
467                         $(obj)u-boot.ais
468
469
470 $(obj)u-boot.sb:       $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
471                 $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
472
473 # On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
474 # Both images are created using mkimage (crc etc), so that the ROM
475 # bootloader can check its integrity. Padding needs to be done to the
476 # SPL image (with mkimage header) and not the binary. Otherwise the resulting image
477 # which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
478 # The resulting image containing both U-Boot images is called u-boot.spr
479 $(obj)u-boot.spr:       $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
480                 $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
481                 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
482                 -d $(obj)spl/u-boot-spl.bin $(obj)spl/u-boot-spl.img
483                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \
484                         of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null
485                 dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \
486                         conv=notrunc 2>/dev/null
487                 cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@
488
489 ifneq ($(CONFIG_TEGRA),)
490 $(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
491                 $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
492                 cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
493                 rm $(obj)spl/u-boot-spl-pad.bin
494
495 ifeq ($(CONFIG_OF_SEPARATE),y)
496 $(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
497                 cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
498 endif
499 endif
500
501 $(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
502                 cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
503
504 # PPC4xx needs the SPL at the end of the image, since the reset vector
505 # is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
506 # and need to introduce a new build target with the full blown U-Boot
507 # at the start padded up to the start of the SPL image. And then concat
508 # the SPL image to the end.
509 $(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
510                 tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \
511                         of=$(obj)u-boot-pad.img 2>/dev/null
512                 dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \
513                         conv=notrunc 2>/dev/null
514                 cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@
515
516 ifeq ($(CONFIG_SANDBOX),y)
517 GEN_UBOOT = \
518                 cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
519                         -Wl,--start-group $(__LIBS) -Wl,--end-group \
520                         $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
521 else
522 GEN_UBOOT = \
523                 cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
524                         $(__OBJS) \
525                         --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
526                         -Map u-boot.map -o u-boot
527 endif
528
529 $(obj)u-boot:   depend \
530                 $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
531                 $(GEN_UBOOT)
532 ifeq ($(CONFIG_KALLSYMS),y)
533                 smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
534                         awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
535                 $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
536                         -c common/system_map.c -o $(obj)common/system_map.o
537                 $(GEN_UBOOT) $(obj)common/system_map.o
538 endif
539
540 $(OBJS):
541         @:
542
543 $(LIBS):        depend $(SUBDIR_TOOLS)
544                 $(MAKE) $(build) $(dir $(subst $(obj),,$@))
545
546 $(SUBDIRS):     depend
547                 $(MAKE) -C $@ all
548
549 $(SUBDIR_EXAMPLES-y): $(obj)u-boot
550
551 $(LDSCRIPT):    depend
552                 $(MAKE) -C $(dir $@) $(notdir $@)
553
554 $(obj)u-boot.lds: $(LDSCRIPT)
555                 $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
556
557 nand_spl:       $(TIMESTAMP_FILE) $(VERSION_FILE) depend
558                 $(MAKE) -C nand_spl/board/$(BOARDDIR) all
559
560 $(obj)u-boot-nand.bin:  nand_spl $(obj)u-boot.bin
561                 cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
562
563 $(obj)spl/u-boot-spl.bin:       $(SUBDIR_TOOLS) depend
564                 $(MAKE) -C spl all
565
566 $(obj)tpl/u-boot-tpl.bin:       $(SUBDIR_TOOLS) depend
567                 $(MAKE) -C spl all CONFIG_TPL_BUILD=y
568
569 # Explicitly make _depend in subdirs containing multiple targets to prevent
570 # parallel sub-makes creating .depend files simultaneously.
571 depend dep:     $(TIMESTAMP_FILE) $(VERSION_FILE) \
572                 $(obj)include/spl-autoconf.mk \
573                 $(obj)include/tpl-autoconf.mk \
574                 $(obj)include/autoconf.mk \
575                 $(obj)include/generated/generic-asm-offsets.h \
576                 $(obj)include/generated/asm-offsets.h
577
578 TAG_SUBDIRS = $(SUBDIRS)
579 TAG_SUBDIRS += $(dir $(__LIBS))
580 TAG_SUBDIRS += include
581
582 FIND := find
583 FINDFLAGS := -L
584
585 checkstack:
586                 $(CROSS_COMPILE)objdump -d $(obj)u-boot \
587                         `$(FIND) $(obj) -name u-boot-spl -print` | \
588                         perl $(src)tools/checkstack.pl $(ARCH)
589
590 tags ctags:
591                 ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
592                                                 -name '*.[chS]' -print`
593
594 etags:
595                 etags -a -o $(obj)etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
596                                                 -name '*.[chS]' -print`
597 cscope:
598                 $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \
599                                                 cscope.files
600                 cscope -b -q -k
601
602 SYSTEM_MAP = \
603                 $(NM) $1 | \
604                 grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
605                 LC_ALL=C sort
606 $(obj)System.map:       $(obj)u-boot
607                 @$(call SYSTEM_MAP,$<) > $@
608
609 checkthumb:
610         @if test $(call cc-version) -lt 0404; then \
611                 echo -n '*** Your GCC does not produce working '; \
612                 echo 'binaries in THUMB mode.'; \
613                 echo '*** Your board is configured for THUMB mode.'; \
614                 false; \
615         fi
616
617 # GCC 3.x is reported to have problems generating the type of relocation
618 # that U-Boot wants.
619 # See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
620 checkgcc4:
621         @if test $(call cc-version) -lt 0400; then \
622                 echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
623                 false; \
624         fi
625
626 checkdtc:
627         @if test $(call dtc-version) -lt 0104; then \
628                 echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
629                 false; \
630         fi
631
632 #
633 # Auto-generate the autoconf.mk file (which is included by all makefiles)
634 #
635 # This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
636 # the dep file is only include in this top level makefile to determine when
637 # to regenerate the autoconf.mk file.
638 $(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
639         @$(XECHO) Generating $@ ; \
640         set -e ; \
641         : Generate the dependancies ; \
642         $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
643                 -MQ $(obj)include/autoconf.mk include/common.h > $@
644
645 $(obj)include/autoconf.mk: $(obj)include/config.h
646         @$(XECHO) Generating $@ ; \
647         set -e ; \
648         : Extract the config macros ; \
649         $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \
650                 sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
651         mv $@.tmp $@
652
653 # Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
654 $(obj)include/tpl-autoconf.mk: $(obj)include/config.h
655         @$(XECHO) Generating $@ ; \
656         set -e ; \
657         : Extract the config macros ; \
658         $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD  -DCONFIG_SPL_BUILD\
659                         -DDO_DEPS_ONLY -dM include/common.h | \
660         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
661         mv $@.tmp $@
662
663 $(obj)include/spl-autoconf.mk: $(obj)include/config.h
664         @$(XECHO) Generating $@ ; \
665         set -e ; \
666         : Extract the config macros ; \
667         $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \
668         sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
669         mv $@.tmp $@
670
671 $(obj)include/generated/generic-asm-offsets.h:  $(obj)include/autoconf.mk.dep \
672         $(obj)include/spl-autoconf.mk \
673         $(obj)include/tpl-autoconf.mk \
674         $(obj)lib/asm-offsets.s
675         @$(XECHO) Generating $@
676         tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
677
678 $(obj)lib/asm-offsets.s:        $(obj)include/autoconf.mk.dep \
679         $(obj)include/spl-autoconf.mk \
680         $(obj)include/tpl-autoconf.mk \
681         $(src)lib/asm-offsets.c
682         @mkdir -p $(obj)lib
683         $(CC) -DDO_DEPS_ONLY \
684                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
685                 -o $@ $(src)lib/asm-offsets.c -c -S
686
687 $(obj)include/generated/asm-offsets.h:  $(obj)include/autoconf.mk.dep \
688         $(obj)include/spl-autoconf.mk \
689         $(obj)include/tpl-autoconf.mk \
690         $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
691         @$(XECHO) Generating $@
692         tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
693
694 $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s:   $(obj)include/autoconf.mk.dep \
695         $(obj)include/spl-autoconf.mk \
696         $(obj)include/tpl-autoconf.mk
697         @mkdir -p $(obj)$(CPUDIR)/$(SOC)
698         if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
699                 $(CC) -DDO_DEPS_ONLY \
700                 $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
701                         -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
702         else \
703                 touch $@; \
704         fi
705
706 #########################################################################
707 else    # !config.mk
708 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
709 $(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
710 $(filter-out tools,$(SUBDIRS)) \
711 depend dep tags ctags etags cscope $(obj)System.map:
712         @echo "System not configured - see README" >&2
713         @ exit 1
714
715 tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
716         $(MAKE) -C $@ all
717 endif   # config.mk
718
719 # ARM relocations should all be R_ARM_RELATIVE.
720 checkarmreloc: $(obj)u-boot
721         @if test "R_ARM_RELATIVE" != \
722                 "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \
723                 then echo "$< contains relocations other than \
724                 R_ARM_RELATIVE"; false; fi
725
726 $(VERSION_FILE):
727                 @mkdir -p $(dir $(VERSION_FILE))
728                 @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \
729                    printf '#define PLAIN_VERSION "%s%s"\n' \
730                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
731                    printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
732                         "$(U_BOOT_VERSION)" "$${localvers}" ; \
733                 ) > $@.tmp
734                 @( printf '#define CC_VERSION_STRING "%s"\n' \
735                  '$(shell $(CC) --version | head -n 1)' )>>  $@.tmp
736                 @( printf '#define LD_VERSION_STRING "%s"\n' \
737                  '$(shell $(LD) -v | head -n 1)' )>>  $@.tmp
738                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
739
740 $(TIMESTAMP_FILE):
741                 @mkdir -p $(dir $(TIMESTAMP_FILE))
742                 @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
743                 @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
744                 @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
745
746 easylogo env gdb:
747         $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
748 gdbtools: gdb
749
750 xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
751         $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
752
753 tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
754         $(MAKE) -C tools HOST_TOOLS_ALL=y
755
756 .PHONY : CHANGELOG
757 CHANGELOG:
758         git log --no-merges U-Boot-1_1_5.. | \
759         unexpand -a | sed -e 's/\s\s*$$//' > $@
760
761 include/license.h: tools/bin2header COPYING
762         cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
763 #########################################################################
764
765 unconfig:
766         @rm -f $(obj)include/config.h $(obj)include/config.mk \
767                 $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
768                 $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
769                 $(obj)include/spl-autoconf.mk \
770                 $(obj)include/tpl-autoconf.mk
771
772 %_config::      unconfig
773         @$(MKCONFIG) -A $(@:_config=)
774
775 sinclude $(obj).boards.depend
776 $(obj).boards.depend:   boards.cfg
777         @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
778
779 #########################################################################
780 #########################################################################
781
782 clean:
783         @rm -f $(obj)examples/standalone/82559_eeprom                     \
784                $(obj)examples/standalone/atmel_df_pow2                    \
785                $(obj)examples/standalone/eepro100_eeprom                  \
786                $(obj)examples/standalone/hello_world                      \
787                $(obj)examples/standalone/interrupt                        \
788                $(obj)examples/standalone/mem_to_mem_idma2intr             \
789                $(obj)examples/standalone/sched                            \
790                $(obj)examples/standalone/smc911{11,x}_eeprom              \
791                $(obj)examples/standalone/test_burst                       \
792                $(obj)examples/standalone/timer
793         @rm -f $(obj)examples/api/demo{,.bin}
794         @rm -f $(obj)tools/bmp_logo        $(obj)tools/easylogo/easylogo  \
795                $(obj)tools/env/{fw_printenv,fw_setenv}                    \
796                $(obj)tools/envcrc                                         \
797                $(obj)tools/gdb/{astest,gdbcont,gdbsend}                   \
798                $(obj)tools/gen_eth_addr    $(obj)tools/img2srec           \
799                $(obj)tools/mk{env,}image   $(obj)tools/mpc86x_clk         \
800                $(obj)tools/mk{$(BOARD),}spl                               \
801                $(obj)tools/mxsboot                                        \
802                $(obj)tools/ncb             $(obj)tools/ubsha1             \
803                $(obj)tools/kernel-doc/docproc                             \
804                $(obj)tools/proftool
805         @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image}        \
806                $(obj)board/matrix_vision/*/bootscript.img                 \
807                $(obj)board/voiceblue/eeprom                               \
808                $(obj)u-boot.lds                                           \
809                $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]          \
810                $(obj)arch/blackfin/cpu/init.{lds,elf}
811         @rm -f $(obj)include/bmp_logo.h
812         @rm -f $(obj)include/bmp_logo_data.h
813         @rm -f $(obj)lib/asm-offsets.s
814         @rm -f $(obj)include/generated/asm-offsets.h
815         @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
816         @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
817         @$(MAKE) -s -C doc/DocBook/ cleandocs
818         @find $(OBJTREE) -type f \
819                 \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
820                 -o -name '*.o'  -o -name '*.a' -o -name '*.exe' \
821                 -o -name '*.cfgtmp' \) -print \
822                 | xargs rm -f
823
824 # Removes everything not needed for testing u-boot
825 tidy:   clean
826         @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
827
828 clobber:        tidy
829         @find $(OBJTREE) -type f \( -name '*.srec' \
830                 -o -name '*.bin' -o -name u-boot.img \) \
831                 -print0 | xargs -0 rm -f
832         @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
833                 $(obj)cscope.* $(obj)*.*~
834         @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
835         @rm -f $(obj)u-boot.kwb
836         @rm -f $(obj)u-boot.pbl
837         @rm -f $(obj)u-boot.imx
838         @rm -f $(obj)u-boot-with-spl.imx
839         @rm -f $(obj)u-boot-with-nand-spl.imx
840         @rm -f $(obj)u-boot.ubl
841         @rm -f $(obj)u-boot.ais
842         @rm -f $(obj)u-boot.dtb
843         @rm -f $(obj)u-boot.sb
844         @rm -f $(obj)u-boot.bd
845         @rm -f $(obj)u-boot.spr
846         @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
847         @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
848         @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
849         @rm -f $(obj)spl/u-boot-spl.lds
850         @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
851         @rm -f $(obj)tpl/u-boot-spl.lds
852         @rm -f $(obj)MLO MLO.byteswap
853         @rm -f $(obj)SPL
854         @rm -f $(obj)tools/xway-swap-bytes
855         @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
856         @rm -fr $(obj)include/generated
857         @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
858         @rm -f $(obj)dts/*.tmp
859         @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
860
861 mrproper \
862 distclean:      clobber unconfig
863 ifneq ($(OBJTREE),$(SRCTREE))
864         rm -rf $(obj)*
865 endif
866
867 backup:
868         F=`basename $(TOPDIR)` ; cd .. ; \
869         gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
870
871 #########################################################################