1 # SPDX-License-Identifier: GPL-2.0
2 # Backward compatibility
3 asflags-y += $(EXTRA_AFLAGS)
4 ccflags-y += $(EXTRA_CFLAGS)
5 cppflags-y += $(EXTRA_CPPFLAGS)
6 ldflags-y += $(EXTRA_LDFLAGS)
9 # flags that take effect in sub directories
10 export KBUILD_SUBDIR_ASFLAGS := $(KBUILD_SUBDIR_ASFLAGS) $(subdir-asflags-y)
11 export KBUILD_SUBDIR_CCFLAGS := $(KBUILD_SUBDIR_CCFLAGS) $(subdir-ccflags-y)
13 # Figure out what we need to build from the various variables
14 # ===========================================================================
16 # When an object is listed to be built compiled-in and modular,
17 # only build the compiled-in version
19 obj-m := $(filter-out $(obj-y),$(obj-m))
21 # Libraries are always collected in one lib file.
22 # Filter out objects already built-in
24 lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m)))
27 # Handle objects in subdirs
28 # ---------------------------------------------------------------------------
29 # o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o
30 # and add the directory to the list of dirs to descend into: $(subdir-y)
31 # o if we encounter foo/ in $(obj-m), remove it from $(obj-m)
32 # and add the directory to the list of dirs to descend into: $(subdir-m)
35 # Unfortunately, we don't have information about ordering between -y
36 # and -m subdirs. Just put -y's first.
37 modorder := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko))
39 __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y)))
40 subdir-y += $(__subdir-y)
41 __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m)))
42 subdir-m += $(__subdir-m)
43 obj-y := $(patsubst %/, %/built-in.o, $(obj-y))
44 obj-m := $(filter-out %/, $(obj-m))
46 # Subdirectories we need to descend into
48 subdir-ym := $(sort $(subdir-y) $(subdir-m))
50 # if $(foo-objs) exists, foo.o is a composite object
51 multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
52 multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
53 multi-used := $(multi-used-y) $(multi-used-m)
54 single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m)))
56 # Build list of the parts of our composite objects, our composite
57 # objects depend on those (obviously)
58 multi-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y)))
59 multi-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y)))
60 multi-objs := $(multi-objs-y) $(multi-objs-m)
62 # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to
63 # tell kbuild to descend
64 subdir-obj-y := $(filter %/built-in.o, $(obj-y))
66 # $(obj-dirs) is a list of directories that contain object files
67 obj-dirs := $(dir $(multi-objs) $(obj-y))
69 # Replace multi-part objects by their individual parts, look at local dir only
70 real-objs-y := $(foreach m, $(filter-out $(subdir-obj-y), $(obj-y)), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) $(extra-y)
71 real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m)))
75 extra-y := $(addprefix $(obj)/,$(extra-y))
76 always := $(addprefix $(obj)/,$(always))
77 targets := $(addprefix $(obj)/,$(targets))
78 modorder := $(addprefix $(obj)/,$(modorder))
79 obj-y := $(addprefix $(obj)/,$(obj-y))
80 obj-m := $(addprefix $(obj)/,$(obj-m))
81 lib-y := $(addprefix $(obj)/,$(lib-y))
82 subdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y))
83 real-objs-y := $(addprefix $(obj)/,$(real-objs-y))
84 real-objs-m := $(addprefix $(obj)/,$(real-objs-m))
85 single-used-m := $(addprefix $(obj)/,$(single-used-m))
86 multi-used-y := $(addprefix $(obj)/,$(multi-used-y))
87 multi-used-m := $(addprefix $(obj)/,$(multi-used-m))
88 multi-objs-y := $(addprefix $(obj)/,$(multi-objs-y))
89 multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m))
90 subdir-ym := $(addprefix $(obj)/,$(subdir-ym))
91 obj-dirs := $(addprefix $(obj)/,$(obj-dirs))
93 # These flags are needed for modversions and compiling, so we define them here
95 # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will
96 # end up in (or would, if it gets compiled in)
97 # Note: Files that end up in two or more modules are compiled without the
98 # KBUILD_MODNAME definition. The reason is that any made-up name would
99 # differ in different configs.
100 name-fix = $(subst $(comma),_,$(subst -,_,$1))
101 basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"
102 modname_flags = $(if $(filter 1,$(words $(modname))),\
103 -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")
105 orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \
106 $(ccflags-y) $(CFLAGS_$(basetarget).o)
107 _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags))
108 orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \
109 $(asflags-y) $(AFLAGS_$(basetarget).o)
110 _a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags))
111 _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F))
114 # Enable gcov profiling flags for a file, directory or for all files depending
115 # on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL
118 ifeq ($(CONFIG_GCOV_KERNEL),y)
119 _c_flags += $(if $(patsubst n%,, \
120 $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \
125 # Enable address sanitizer flags for kernel except some files or directories
126 # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE)
128 ifeq ($(CONFIG_KASAN),y)
129 _c_flags += $(if $(patsubst n%,, \
130 $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \
134 # If building the kernel in a separate objtree expand all occurrences
135 # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
137 ifeq ($(KBUILD_SRC),)
138 __c_flags = $(_c_flags)
139 __a_flags = $(_a_flags)
140 __cpp_flags = $(_cpp_flags)
143 # -I$(obj) locates generated .h files
144 # $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files
145 # and locates generated .h files
146 # FIXME: Replace both with specific CFLAGS* statements in the makefiles
147 __c_flags = $(if $(obj),$(call addtree,-I$(src)) -I$(obj)) \
148 $(call flags,_c_flags)
149 __a_flags = $(call flags,_a_flags)
150 __cpp_flags = $(call flags,_cpp_flags)
153 # Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE
154 c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \
155 $(__c_flags) $(modkern_cflags) \
156 -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags)
158 a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \
159 $(__a_flags) $(modkern_aflags)
161 cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \
164 ld_flags = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F))
166 # Try these files in order to find the U-Boot-specific .dtsi include file
167 u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \
168 $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \
169 $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \
170 $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \
171 $(wildcard $(dir $<)u-boot.dtsi))
173 u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \
174 $(dir $<)$(basename $(notdir $<))-u-boot.dtsi \
175 $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \
176 $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \
177 $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \
178 $(dir $<)u-boot.dtsi ... \
179 found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!))
181 # Uncomment for debugging
182 # This shows all the files that were considered and the one that we chose.
183 # u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw)
185 # We use the first match
186 u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \
187 $(notdir $(firstword $(u_boot_dtsi_options))))
189 # Modified for U-Boot
190 dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \
191 -I$(srctree)/arch/$(ARCH)/dts \
192 -I$(srctree)/arch/$(ARCH)/dts/include \
194 -I$(srctree)/include \
195 -I$(srctree)/arch/$(ARCH)/include \
196 -include $(srctree)/include/linux/kconfig.h \
200 # Finds the multi-part object the current object will be linked into
201 modname-multi = $(sort $(foreach m,$(multi-used),\
202 $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
204 # Useful for describing the dependency of composite objects
206 # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
208 $(foreach m, $(notdir $1), \
210 $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
214 # ---------------------------------------------------------------------------
215 quiet_cmd_flex = LEX $@
216 cmd_flex = $(LEX) -o$@ -L $<
218 $(obj)/%.lex.c: $(src)/%.l FORCE
219 $(call if_changed,flex)
222 # ---------------------------------------------------------------------------
223 quiet_cmd_bison = YACC $@
224 cmd_bison = $(YACC) -o$@ -t -l $<
226 $(obj)/%.tab.c: $(src)/%.y FORCE
227 $(call if_changed,bison)
229 quiet_cmd_bison_h = YACC $@
230 cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $<
232 $(obj)/%.tab.h: $(src)/%.y FORCE
233 $(call if_changed,bison_h)
236 # ===========================================================================
238 quiet_cmd_shipped = SHIPPED $@
239 cmd_shipped = cat $< > $@
241 $(obj)/%: $(src)/%_shipped
244 # Commands useful for building a boot image
245 # ===========================================================================
249 # target: source(s) FORCE
250 # $(if_changed,ld/objcopy/gzip)
252 # and add target to extra-y so that we know we have to
253 # read in the saved command line
256 # ---------------------------------------------------------------------------
259 cmd_ld = $(LD) $(ld_flags) $(filter-out FORCE,$^) -o $@
262 # ---------------------------------------------------------------------------
264 quiet_cmd_objcopy = OBJCOPY $@
265 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
268 # ---------------------------------------------------------------------------
270 quiet_cmd_gzip = GZIP $@
271 cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \
275 # ---------------------------------------------------------------------------
277 # Disable noisy checks by default
278 ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
279 DTC_FLAGS += -Wno-unit_address_vs_reg \
280 -Wno-unit_address_format \
281 -Wno-avoid_unnecessary_addr_size \
283 -Wno-graph_child_address \
285 -Wno-unique_unit_address \
286 -Wno-simple_bus_reg \
289 # U-Boot specific disables
290 DTC_FLAGS += -Wno-pci_bridge \
291 -Wno-pci_device_bus_num
294 ifneq ($(findstring 2,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),)
295 DTC_FLAGS += -Wnode_name_chars_strict \
296 -Wproperty_name_chars_strict
299 DTC_FLAGS += $(DTC_FLAGS_$(basetarget))
301 # Generate an assembly file to wrap the output of the device tree compiler
302 quiet_cmd_dt_S_dtb= DTB $@
303 # Modified for U-Boot
306 echo '.section .dtb.init.rodata,"a"'; \
308 echo '.global __dtb_$(subst -,_,$(*F))_begin'; \
309 echo '__dtb_$(subst -,_,$(*F))_begin:'; \
310 echo '.incbin "$<" '; \
311 echo '__dtb_$(subst -,_,$(*F))_end:'; \
312 echo '.global __dtb_$(subst -,_,$(*F))_end'; \
316 $(obj)/%.dtb.S: $(obj)/%.dtb
319 ifeq ($(CONFIG_SPL_LOAD_FIT_APPLY_OVERLAY),y)
323 quiet_cmd_dtc = DTC $@
324 # Modified for U-Boot
325 # Bring in any U-Boot-specific include at the end of the file
326 cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
327 (cat $<; $(if $(u_boot_dtsi),echo '$(pound)include "$(u_boot_dtsi)"')) > $(pre-tmp); \
328 $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \
329 $(DTC) -O dtb -o $@ -b 0 \
330 -i $(dir $<) $(DTC_FLAGS) \
331 -d $(depfile).dtc.tmp $(dtc-tmp) || \
332 (echo "Check $(shell pwd)/$(pre-tmp) for errors" && false) \
334 cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) ; \
335 sed -i "s:$(pre-tmp):$(<):" $(depfile)
337 $(obj)/%.dtb: $(src)/%.dts FORCE
338 $(call if_changed_dep,dtc)
340 pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp)
341 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
344 # ---------------------------------------------------------------------------
346 quiet_cmd_dtco = DTCO $@
347 # Rule for objects only; does not put specific u-boot include at the end
348 # No generation of assembly file either
349 # Modified for U-Boot
350 cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \
351 $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
352 $(DTC) -@ -O dtb -o $@ -b 0 \
353 -i $(dir $<) $(DTC_FLAGS) \
354 -d $(depfile).dtc.tmp $(dtc-tmp) ; \
355 cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
357 $(obj)/%.dtbo: $(src)/%.dts FORCE
358 $(call if_changed_dep,dtco)
361 # ---------------------------------------------------------------------------
363 # Generate an assembly file to wrap the font data
364 quiet_cmd_S_ttf= TTF $@
365 # Modified for U-Boot
368 echo '.section .rodata.ttf.init,"a"'; \
370 echo '.global __ttf_$(*F)_begin'; \
371 echo '__ttf_$(*F)_begin:'; \
372 echo '.incbin "$<" '; \
373 echo '__ttf_$(*F)_end:'; \
374 echo '.global __ttf_$(*F)_end'; \
378 $(obj)/%.S: $(src)/%.ttf
382 # A Makefile target *.efi is built as EFI application.
383 # A Makefile target *_efi.S wraps *.efi as built-in EFI application.
384 # ---------------------------------------------------------------------------
386 # Generate an assembly file to wrap the EFI app
389 echo '.section .rodata.$*.init,"a"'; \
391 echo '.global __efi_$*_begin'; \
392 echo '__efi_$*_begin:'; \
393 echo '.incbin "$<" '; \
394 echo '__efi_$*_end:'; \
395 echo '.global __efi_$*_end'; \
399 $(obj)/%_efi.S: $(obj)/%.efi
402 quiet_cmd_efi_objcopy = OBJCOPY $@
403 cmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \
404 .dynamic -j .dynsym -j .rel* -j .rela* -j .reloc \
405 $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@
407 $(obj)/%.efi: $(obj)/%_efi.so
408 $(call cmd,efi_objcopy)
410 quiet_cmd_efi_ld = LD $@
411 cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \
412 -Bsymbolic -s $^ -o $@
414 EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS)
416 $(obj)/efi_crt0.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_CRT0:.o=.S) FORCE
417 $(call if_changed_dep,as_o_S)
419 $(obj)/efi_reloc.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_RELOC:.o=.c) $(recordmcount_source) FORCE
420 $(call cmd,force_checksrc)
421 $(call if_changed_rule,cc_o_c)
423 $(obj)/%_efi.so: $(obj)/%.o $(obj)/efi_crt0.o $(obj)/efi_reloc.o $(obj)/efi_freestanding.o
427 # ---------------------------------------------------------------------------
429 # This first sends the file (typically dsdt.asl) through the preprocessor
430 # resolve includes and any CONFIG options used. This produces dsdt.asl.tmp
431 # which is pure ASL code. The Intel ASL (ACPI (Advanced Configuration and Power
432 # Interface) Source Language compiler (iasl) then converts this ASL code into a
433 # C file containing the hex data to build into U-Boot. This file is called
434 # dsdt.hex (despite us setting the prefix to .../dsdt.asl.tmp) so must be
435 # renamed to dsdt.c for consumption by the build system.
436 ASL_TMP = $(patsubst %.c,%.asl.tmp,$@)
438 quiet_cmd_acpi_c_asl= ASL $<
440 $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) \
441 -o $(ASL_TMP) $< && \
442 iasl -p $@ -tc $(ASL_TMP) $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \
443 mv $(patsubst %.c,%.hex,$@) $@
445 $(obj)/dsdt.c: $(src)/dsdt.asl
446 $(call cmd,acpi_c_asl)
447 $(Q)sed -i -e "s,dsdt_aml_code,AmlCode," $@
450 # ---------------------------------------------------------------------------
452 # Bzip2 and LZMA do not include size in file... so we have to fake that;
453 # append the size as a 32-bit littleendian number as gzip does.
454 size_append = printf $(shell \
457 fsize=$$(stat -c "%s" $$F); \
458 dec_size=$$(expr $$dec_size + $$fsize); \
460 printf "%08x\n" $$dec_size | \
461 sed 's/\(..\)/\1 /g' | { \
462 read ch0 ch1 ch2 ch3; \
463 for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \
464 printf '%s%03o' '\\' $$((0x$$ch)); \
469 quiet_cmd_bzip2 = BZIP2 $@
470 cmd_bzip2 = (cat $(filter-out FORCE,$^) | \
471 bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
475 # ---------------------------------------------------------------------------
477 quiet_cmd_lzma = LZMA $@
478 cmd_lzma = (cat $(filter-out FORCE,$^) | \
479 lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
482 quiet_cmd_lzo = LZO $@
483 cmd_lzo = (cat $(filter-out FORCE,$^) | \
484 lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
487 quiet_cmd_lz4 = LZ4 $@
488 cmd_lz4 = (cat $(filter-out FORCE,$^) | \
489 lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \
493 # ---------------------------------------------------------------------------
495 MKIMAGE := $(srctree)/scripts/mkuboot.sh
497 # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces
498 # the number of overrides in arch makefiles
499 UIMAGE_ARCH ?= $(SRCARCH)
500 UIMAGE_COMPRESSION ?= $(if $(2),$(2),none)
502 UIMAGE_TYPE ?= kernel
503 UIMAGE_LOADADDR ?= arch_must_set_this
504 UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR)
505 UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)'
509 quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT)
510 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \
511 -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \
513 -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \
514 -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT)
517 # ---------------------------------------------------------------------------
518 # Use xzkern to compress the kernel image and xzmisc to compress other things.
520 # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage
521 # of the kernel decompressor. A BCJ filter is used if it is available for
522 # the target architecture. xzkern also appends uncompressed size of the data
523 # using size_append. The .xz format has the size information available at
524 # the end of the file too, but it's in more complex format and it's good to
525 # avoid changing the part of the boot code that reads the uncompressed size.
526 # Note that the bytes added by size_append will make the xz tool think that
527 # the file is corrupt. This is expected.
529 # xzmisc doesn't use size_append, so it can be used to create normal .xz
530 # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very
531 # big dictionary would increase the memory usage too much in the multi-call
532 # decompression mode. A BCJ filter isn't used either.
533 quiet_cmd_xzkern = XZKERN $@
534 cmd_xzkern = (cat $(filter-out FORCE,$^) | \
535 sh $(srctree)/scripts/xz_wrap.sh && \
536 $(call size_append, $(filter-out FORCE,$^))) > $@ || \
539 quiet_cmd_xzmisc = XZMISC $@
540 cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
541 xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
544 # Additional commands for U-Boot
547 # ---------------------------------------------------------------------------
548 MKIMAGEOUTPUT ?= /dev/null
549 quiet_cmd_mkimage = MKIMAGE $@
550 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
551 >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
554 # ---------------------------------------------------------------------------
555 # Pass the original device tree file through fdtgrep twice. The first pass
556 # removes any unwanted nodes (i.e. those which don't have the
557 # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second
558 # pass removes various unused properties from the remaining nodes.
559 # The output is typically a much smaller device tree file.
560 ifeq ($(CONFIG_TPL_BUILD),y)
561 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl
563 fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl
565 quiet_cmd_fdtgrep = FDTGREP $@
566 cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \
567 -n /chosen -n /config -O dtb | \
568 $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
569 -P u-boot,dm-pre-reloc -P u-boot,dm-spl -P u-boot,dm-tpl \
570 $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS)))
573 # ---------------------------------------------------------------------------
574 # Pass the original device tree file through fdtgrep. This removes various
575 # unused properties. The output is typically a smaller device tree file.
576 quiet_cmd_fdt_rm_props = FDTGREP $@
577 cmd_fdt_rm_props = cat $< | $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \
578 $(addprefix -P ,$(subst $\",,$(CONFIG_OF_REMOVE_PROPS)))