1 # SPDX-License-Identifier: GPL-2.0+
3 # (C) Copyright 2000-2011
4 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 # Daniel Schwierzeck, daniel.schwierzeck@googlemail.com.
10 # Texas Instruments Incorporated - http://www.ti.com/
11 # Aneesh V <aneesh@ti.com>
12 # Based on top-level Makefile.
17 # Create output directory if not already present
18 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
20 include $(srctree)/scripts/Kbuild.include
22 -include include/config/auto.conf
23 -include $(obj)/include/autoconf.mk
25 UBOOTINCLUDE := -I$(obj)/include $(UBOOTINCLUDE)
27 KBUILD_CPPFLAGS += -DCONFIG_SPL_BUILD
28 ifeq ($(CONFIG_TPL_BUILD),y)
29 KBUILD_CPPFLAGS += -DCONFIG_TPL_BUILD
32 ifeq ($(CONFIG_TPL_BUILD),y)
42 ifdef CONFIG_SPL_BUILD
44 ifeq ($(CONFIG_TPL_BUILD),y)
54 ifeq ($(obj)$(CONFIG_SUPPORT_SPL),spl)
55 $(error You cannot build SPL without enabling CONFIG_SUPPORT_SPL)
57 ifeq ($(obj)$(CONFIG_SUPPORT_TPL),tpl)
58 $(error You cannot build TPL without enabling CONFIG_SUPPORT_TPL)
61 include $(srctree)/config.mk
62 include $(srctree)/arch/$(ARCH)/Makefile
64 include $(srctree)/scripts/Makefile.lib
66 # Enable garbage collection of un-used sections for SPL
67 KBUILD_CFLAGS += -ffunction-sections -fdata-sections
68 LDFLAGS_FINAL += --gc-sections
71 cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
73 c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
75 HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
77 libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
78 libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
80 ifeq ($(CONFIG_TPL_BUILD),y)
81 libs-$(CONFIG_TPL_FRAMEWORK) += common/spl/
83 libs-$(CONFIG_SPL_FRAMEWORK) += common/spl/
85 libs-y += common/init/
87 # Special handling for a few options which support SPL/TPL
88 ifeq ($(CONFIG_TPL_BUILD),y)
89 libs-$(CONFIG_TPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
90 libs-$(CONFIG_TPL_LIBGENERIC_SUPPORT) += lib/
92 libs-$(CONFIG_SPL_LIBCOMMON_SUPPORT) += common/ cmd/ env/
93 libs-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
94 ifdef CONFIG_SPL_FRAMEWORK
95 libs-$(CONFIG_PARTITIONS) += disk/
100 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/dwc3/
101 libs-$(CONFIG_SPL_USB_GADGET) += drivers/usb/cdns3/
104 libs-$(CONFIG_SPL_POST_MEM_SUPPORT) += post/drivers/
105 libs-$(CONFIG_SPL_NET_SUPPORT) += net/
106 libs-$(CONFIG_SPL_UNIT_TEST) += test/
108 head-y := $(addprefix $(obj)/,$(head-y))
109 libs-y := $(addprefix $(obj)/,$(libs-y))
110 u-boot-spl-dirs := $(patsubst %/,%,$(filter %/, $(libs-y)))
112 libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
115 ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
116 PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
117 PLATFORM_LIBS := $(filter-out %/lib.a, $(filter-out -lgcc, $(PLATFORM_LIBS))) $(PLATFORM_LIBGCC)
120 u-boot-spl-init := $(head-y)
121 u-boot-spl-main := $(libs-y)
122 ifdef CONFIG_$(SPL_TPL_)OF_PLATDATA
123 u-boot-spl-platdata := $(obj)/dts/dt-plat.o
124 u-boot-spl-platdata_c := $(patsubst %.o,%.c,$(u-boot-spl-platdata))
128 # First test whether there's a linker-script for the specific stage defined...
129 ifneq ($(CONFIG_$(SPL_TPL_)LDSCRIPT),)
130 # need to strip off double quotes
131 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_$(SPL_TPL_)LDSCRIPT:"%"=%))
133 # ...then fall back to the generic SPL linker-script
134 ifneq ($(CONFIG_SPL_LDSCRIPT),)
135 # need to strip off double quotes
136 LDSCRIPT := $(addprefix $(srctree)/,$(CONFIG_SPL_LDSCRIPT:"%"=%))
140 ifeq ($(wildcard $(LDSCRIPT)),)
141 LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-spl.lds
143 ifeq ($(wildcard $(LDSCRIPT)),)
144 LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-spl.lds
146 ifeq ($(wildcard $(LDSCRIPT)),)
147 LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot-spl.lds
149 ifeq ($(wildcard $(LDSCRIPT)),)
150 $(error could not find linker script)
153 # Special flags for CPP when processing the linker script.
154 # Pass the version down so we can handle backwards compatibility
157 -include $(srctree)/include/u-boot/u-boot.lds.h \
158 -include $(objtree)/include/config.h \
160 $(shell $(LD) --version | \
161 sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
163 # Turn various CONFIG symbols into IMAGE symbols for easy reuse of
164 # the scripts between SPL and TPL.
165 ifneq ($(CONFIG_$(SPL_TPL_)MAX_SIZE),)
166 LDPPFLAGS += -DIMAGE_MAX_SIZE=$(CONFIG_$(SPL_TPL_)MAX_SIZE)
168 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
169 LDPPFLAGS += -DIMAGE_TEXT_BASE=$(CONFIG_$(SPL_TPL_)TEXT_BASE)
172 MKIMAGEOUTPUT ?= /dev/null
174 quiet_cmd_mkimage = MKIMAGE $@
175 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
176 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
178 quiet_cmd_mkfitimage = MKIMAGE $@
179 cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(SPL_ITS) -E $@ \
180 $(if $(KBUILD_VERBOSE:1=), MKIMAGEOUTPUT)
182 MKIMAGEFLAGS_MLO = -T omapimage -a $(CONFIG_SPL_TEXT_BASE)
184 MKIMAGEFLAGS_MLO.byteswap = -T omapimage -n byteswap -a $(CONFIG_SPL_TEXT_BASE)
186 MLO MLO.byteswap: $(obj)/u-boot-spl.bin FORCE
187 $(call if_changed,mkimage)
189 ifeq ($(CONFIG_SYS_SOC),"at91")
190 MKIMAGEFLAGS_boot.bin = -T atmelimage
192 ifeq ($(CONFIG_SPL_GENERATE_ATMEL_PMECC_HEADER),y)
193 MKIMAGEFLAGS_boot.bin += -n $(shell $(obj)/../tools/atmel_pmecc_params)
195 $(obj)/boot.bin: $(obj)/../tools/atmel_pmecc_params
198 $(obj)/boot.bin: $(obj)/u-boot-spl.bin FORCE
199 $(call if_changed,mkimage)
201 ifdef CONFIG_ARCH_ZYNQ
202 MKIMAGEFLAGS_boot.bin = -T zynqimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE)
204 ifdef CONFIG_ARCH_ZYNQMP
205 ifneq ($(CONFIG_PMUFW_INIT_FILE),"")
206 spl/boot.bin: zynqmp-check-pmufw
207 zynqmp-check-pmufw: FORCE
208 ( cd $(srctree) && test -r $(CONFIG_PMUFW_INIT_FILE) ) \
209 || ( echo "Cannot read $(CONFIG_PMUFW_INIT_FILE)" && false )
211 MKIMAGEFLAGS_boot.bin = -T zynqmpimage -R $(srctree)/$(CONFIG_BOOT_INIT_FILE) \
212 -n "$(shell cd $(srctree); readlink -f $(CONFIG_PMUFW_INIT_FILE))"
215 $(obj)/$(SPL_BIN)-align.bin: $(obj)/$(SPL_BIN).bin
216 @dd if=$< of=$@ conv=block,sync bs=4 2>/dev/null;
218 spl/boot.bin: $(obj)/$(SPL_BIN)-align.bin FORCE
219 $(call if_changed,mkimage)
222 INPUTS-y += $(obj)/$(SPL_BIN).bin $(obj)/$(SPL_BIN).sym
225 INPUTS-y += $(obj)/$(BOARD)-spl.bin
228 ifneq ($(CONFIG_TARGET_SOCFPGA_GEN5)$(CONFIG_TARGET_SOCFPGA_ARRIA10),)
229 INPUTS-y += $(obj)/$(SPL_BIN).sfp
232 INPUTS-$(CONFIG_TARGET_SOCFPGA_SOC64) += $(obj)/u-boot-spl-dtb.hex
234 ifdef CONFIG_ARCH_SUNXI
235 INPUTS-y += $(obj)/sunxi-spl.bin
237 ifdef CONFIG_NAND_SUNXI
238 INPUTS-y += $(obj)/sunxi-spl-with-ecc.bin
242 ifeq ($(CONFIG_SYS_SOC),"at91")
243 INPUTS-y += $(obj)/boot.bin
246 ifdef CONFIG_TPL_BUILD
247 INPUTS-$(CONFIG_TPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-tpl.bin \
248 $(obj)/u-boot-x86-reset16-tpl.bin
250 INPUTS-$(CONFIG_SPL_X86_16BIT_INIT) += $(obj)/u-boot-x86-start16-spl.bin \
251 $(obj)/u-boot-x86-reset16-spl.bin
254 INPUTS-$(CONFIG_ARCH_ZYNQ) += $(obj)/boot.bin
255 INPUTS-$(CONFIG_ARCH_ZYNQMP) += $(obj)/boot.bin
257 INPUTS-$(CONFIG_ARCH_MEDIATEK) += $(obj)/u-boot-spl-mtk.bin
261 quiet_cmd_cat = CAT $@
262 cmd_cat = cat $(filter-out $(PHONY), $^) > $@
264 quiet_cmd_copy = COPY $@
267 ifneq ($(CONFIG_SPL_MULTI_DTB_FIT),y)
268 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).dtb
269 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_LZO),y)
270 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.lzo
271 else ifeq ($(CONFIG_SPL_MULTI_DTB_FIT_GZIP),y)
272 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit.gz
274 FINAL_DTB_CONTAINER = $(obj)/$(SPL_BIN).multidtb.fit
277 # Build the .dtb file if:
278 # - we are not using OF_PLATDATA
279 # - we are using OF_CONTROL
280 # - we have either OF_SEPARATE or OF_HOSTFILE
282 ifeq ($(CONFIG_$(SPL_TPL_)OF_PLATDATA),)
283 ifneq ($(CONFIG_$(SPL_TPL_)OF_CONTROL),)
284 ifeq ($(CONFIG_OF_SEPARATE)$(CONFIG_OF_HOSTFILE),y)
290 ifneq ($(build_dtb),)
291 $(obj)/$(SPL_BIN)-dtb.bin: $(obj)/$(SPL_BIN)-nodtb.bin \
292 $(if $(CONFIG_SPL_SEPARATE_BSS),,$(obj)/$(SPL_BIN)-pad.bin) \
293 $(FINAL_DTB_CONTAINER) FORCE
294 $(call if_changed,cat)
296 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-dtb.bin FORCE
297 $(call if_changed,copy)
299 $(obj)/$(SPL_BIN).bin: $(obj)/$(SPL_BIN)-nodtb.bin FORCE
300 $(call if_changed,copy)
303 # Create a file that pads from the end of u-boot-spl-nodtb.bin to bss_end
304 $(obj)/$(SPL_BIN)-pad.bin: $(obj)/$(SPL_BIN)
305 @bss_size_str=$(shell $(NM) $< | awk 'BEGIN {size = 0} /__bss_size/ {size = $$1} END {print "ibase=16; " toupper(size)}' | bc); \
306 dd if=/dev/zero of=$@ bs=1 count=$${bss_size_str} 2>/dev/null;
308 $(obj)/$(SPL_BIN).dtb: $(obj)/dts/dt-$(SPL_NAME).dtb FORCE
309 $(call if_changed,copy)
311 pythonpath = PYTHONPATH=scripts/dtc/pylibfdt
313 DTOC_ARGS := $(pythonpath) $(srctree)/tools/dtoc/dtoc \
314 -d $(obj)/$(SPL_BIN).dtb
316 quiet_cmd_dtoc = DTOC $@
317 cmd_dtoc = $(DTOC_ARGS) -c $(obj)/dts -C include/generated all
319 quiet_cmd_plat = PLAT $@
320 cmd_plat = $(CC) $(c_flags) -c $< -o $(filter-out $(PHONY),$@)
322 targets += $(u-boot-spl-platdata)
324 $(obj)/dts/dt-%.o: $(obj)/dts/dt-%.c \
325 include/generated/dt-structs-gen.h prepare FORCE
326 $(call if_changed,plat)
330 $(shell [ -d $(obj)/dts ] || mkdir -p $(obj)/dts)
332 include/generated/dt-structs-gen.h $(u-boot-spl-platdata_c) &: \
333 $(obj)/$(SPL_BIN).dtb dts_dir FORCE
334 $(call if_changed,dtoc)
337 ifdef CONFIG_VAR_SIZE_SPL
338 VAR_SIZE_PARAM = --vs
342 $(obj)/$(BOARD)-spl.bin: $(obj)/u-boot-spl.bin
343 $(if $(wildcard $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl),\
344 $(objtree)/spl/board/samsung/$(BOARD)/tools/mk$(BOARD)spl,\
345 $(objtree)/tools/mkexynosspl) $(VAR_SIZE_PARAM) $< $@
348 quiet_cmd_objcopy = OBJCOPY $@
349 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
351 OBJCOPYFLAGS_$(SPL_BIN)-nodtb.bin = $(SPL_OBJCFLAGS) -O binary \
352 $(if $(CONFIG_$(SPL_TPL_)X86_16BIT_INIT),-R .start16 -R .resetvec)
354 $(obj)/$(SPL_BIN)-nodtb.bin: $(obj)/$(SPL_BIN) FORCE
355 $(call if_changed,objcopy)
357 OBJCOPYFLAGS_u-boot-x86-start16-spl.bin := -O binary -j .start16
358 $(obj)/u-boot-x86-start16-spl.bin: $(obj)/u-boot-spl FORCE
359 $(call if_changed,objcopy)
361 OBJCOPYFLAGS_u-boot-x86-start16-tpl.bin := -O binary -j .start16
362 $(obj)/u-boot-x86-start16-tpl.bin: $(obj)/u-boot-tpl FORCE
363 $(call if_changed,objcopy)
365 OBJCOPYFLAGS_u-boot-x86-reset16-spl.bin := -O binary -j .resetvec
366 $(obj)/u-boot-x86-reset16-spl.bin: $(obj)/u-boot-spl FORCE
367 $(call if_changed,objcopy)
369 OBJCOPYFLAGS_u-boot-x86-reset16-tpl.bin := -O binary -j .resetvec
370 $(obj)/u-boot-x86-reset16-tpl.bin: $(obj)/u-boot-tpl FORCE
371 $(call if_changed,objcopy)
373 LDFLAGS_$(SPL_BIN) += -T u-boot-spl.lds $(LDFLAGS_FINAL)
375 # Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
376 LDFLAGS_$(SPL_BIN) += $(call ld-option, --no-dynamic-linker)
378 # Pick the best-match (i.e. SPL_TEXT_BASE for SPL, TPL_TEXT_BASE for TPL)
379 ifneq ($(CONFIG_$(SPL_TPL_)TEXT_BASE),)
380 LDFLAGS_$(SPL_BIN) += -Ttext $(CONFIG_$(SPL_TPL_)TEXT_BASE)
383 ifdef CONFIG_TARGET_SOCFPGA_ARRIA10
384 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage_v1
386 MKIMAGEFLAGS_$(SPL_BIN).sfp = -T socfpgaimage
388 $(obj)/$(SPL_BIN).sfp: $(obj)/$(SPL_BIN).bin FORCE
389 $(call if_changed,mkimage)
391 MKIMAGEFLAGS_sunxi-spl.bin = -T sunxi_egon \
392 -n $(CONFIG_DEFAULT_DEVICE_TREE)
394 OBJCOPYFLAGS_u-boot-spl-dtb.hex := -I binary -O ihex --change-address=$(CONFIG_SPL_TEXT_BASE)
396 $(obj)/u-boot-spl-dtb.hex: $(obj)/u-boot-spl-dtb.bin FORCE
397 $(call if_changed,objcopy)
399 $(obj)/sunxi-spl.bin: $(obj)/$(SPL_BIN).bin FORCE
400 $(call if_changed,mkimage)
402 quiet_cmd_sunxi_spl_image_builder = SUNXI_SPL_IMAGE_BUILDER $@
403 cmd_sunxi_spl_image_builder = $(objtree)/tools/sunxi-spl-image-builder \
404 -c $(CONFIG_NAND_SUNXI_SPL_ECC_STRENGTH)/$(CONFIG_NAND_SUNXI_SPL_ECC_SIZE) \
405 -p $(CONFIG_SYS_NAND_PAGE_SIZE) \
406 -o $(CONFIG_SYS_NAND_OOBSIZE) \
407 -u $(CONFIG_NAND_SUNXI_SPL_USABLE_PAGE_SIZE) \
408 -e $(CONFIG_SYS_NAND_BLOCK_SIZE) \
410 $(obj)/sunxi-spl-with-ecc.bin: $(obj)/sunxi-spl.bin
411 $(call if_changed,sunxi_spl_image_builder)
414 # MediaTek's specific SPL build
415 MKIMAGEFLAGS_u-boot-spl-mtk.bin = -T mtk_image \
416 -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) \
417 -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))"
419 $(obj)/u-boot-spl-mtk.bin: $(obj)/u-boot-spl.bin FORCE
420 $(call if_changed,mkimage)
422 quiet_cmd_sym ?= SYM $@
423 cmd_sym ?= $(OBJDUMP) -t $< > $@
424 $(obj)/$(SPL_BIN).sym: $(obj)/$(SPL_BIN) FORCE
425 $(call if_changed,sym)
427 # Rule to link u-boot-spl
428 # May be overridden by arch/$(ARCH)/config.mk
429 quiet_cmd_u-boot-spl ?= LD $@
430 cmd_u-boot-spl ?= (cd $(obj) && $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_$(@F)) \
431 $(patsubst $(obj)/%,%,$(u-boot-spl-init)) --start-group \
432 $(patsubst $(obj)/%,%,$(u-boot-spl-main)) \
433 $(patsubst $(obj)/%,%,$(u-boot-spl-platdata)) \
435 $(PLATFORM_LIBS) -Map $(SPL_BIN).map -o $(SPL_BIN))
437 $(obj)/$(SPL_BIN): $(u-boot-spl-platdata) $(u-boot-spl-init) \
438 $(u-boot-spl-main) $(obj)/u-boot-spl.lds FORCE
439 $(call if_changed,u-boot-spl)
441 $(sort $(u-boot-spl-init) $(u-boot-spl-main)): $(u-boot-spl-dirs) ;
443 PHONY += $(u-boot-spl-dirs)
444 $(u-boot-spl-dirs): $(u-boot-spl-platdata) prepare
445 $(Q)$(MAKE) $(build)=$@
449 $(Q)$(MAKE) $(build)=$(obj)/.
451 quiet_cmd_cpp_lds = LDS $@
452 cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
453 -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $<
455 $(obj)/u-boot-spl.lds: $(LDSCRIPT) FORCE
456 $(call if_changed_dep,cpp_lds)
458 # read all saved command lines
460 targets := $(wildcard $(sort $(targets)))
461 cmd_files := $(wildcard $(obj)/.*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
463 ifneq ($(cmd_files),)
464 $(cmd_files): ; # Do not try to update included dependency files
471 $(obj)/dts/dt-$(SPL_NAME).dtb: dts/dt.dtb
472 $(Q)$(MAKE) $(build)=$(obj)/dts spl_dtbs
474 # Declare the contents of the .PHONY variable as phony. We keep that
475 # information in a variable so we can use it in if_changed and friends.
478 SPL_OF_LIST_TARGETS = $(patsubst %,dts/%.dtb,$(subst ",,$(CONFIG_SPL_OF_LIST)))
479 SHRUNK_ARCH_DTB = $(addprefix $(obj)/,$(SPL_OF_LIST_TARGETS))
481 $(SHRUNK_ARCH_DTB): $$(patsubst $(obj)/dts/%, arch/$(ARCH)/dts/%, $$@) dts_dir
482 $(call if_changed,fdtgrep)
484 targets += $(SPL_OF_LIST_TARGETS)
486 MKIMAGEFLAGS_$(SPL_BIN).multidtb.fit = -f auto -A $(ARCH) -T firmware -C none -O u-boot \
487 -n "Multi DTB fit image for $(SPL_BIN)" -E \
488 $(patsubst %,-b %,$(SHRUNK_ARCH_DTB))
490 $(obj)/$(SPL_BIN).multidtb.fit: /dev/null $(SHRUNK_ARCH_DTB) FORCE
491 $(call if_changed,mkimage)
492 ifneq ($(SOURCE_DATE_EPOCH),)
493 touch -d @$(SOURCE_DATE_EPOCH) $(obj)/$(SPL_BIN).multidtb.fit
494 chmod 0600 $(obj)/$(SPL_BIN).multidtb.fit
497 $(obj)/$(SPL_BIN).multidtb.fit.gz: $(obj)/$(SPL_BIN).multidtb.fit
500 $(obj)/$(SPL_BIN).multidtb.fit.lzo: $(obj)/$(SPL_BIN).multidtb.fit
504 tispl.bin: $(obj)/u-boot-spl-nodtb.bin $(SHRUNK_ARCH_DTB) $(SPL_ITS) FORCE
505 $(call if_changed,mkfitimage)