1 # 2 # SPDX-License-Identifier: GPL-2.0 3 # 4 # Backward compatibility 5 asflags-y += $(EXTRA_AFLAGS) 6 ccflags-y += $(EXTRA_CFLAGS) 7 cppflags-y += $(EXTRA_CPPFLAGS) 8 ldflags-y += $(EXTRA_LDFLAGS) 9 10 # 11 # flags that take effect in sub directories 12 export KBUILD_SUBDIR_ASFLAGS := $(KBUILD_SUBDIR_ASFLAGS) $(subdir-asflags-y) 13 export KBUILD_SUBDIR_CCFLAGS := $(KBUILD_SUBDIR_CCFLAGS) $(subdir-ccflags-y) 14 15 # Figure out what we need to build from the various variables 16 # =========================================================================== 17 18 # When an object is listed to be built compiled-in and modular, 19 # only build the compiled-in version 20 21 obj-m := $(filter-out $(obj-y),$(obj-m)) 22 23 # Libraries are always collected in one lib file. 24 # Filter out objects already built-in 25 26 lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) 27 28 29 # Handle objects in subdirs 30 # --------------------------------------------------------------------------- 31 # o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o 32 # and add the directory to the list of dirs to descend into: $(subdir-y) 33 # o if we encounter foo/ in $(obj-m), remove it from $(obj-m) 34 # and add the directory to the list of dirs to descend into: $(subdir-m) 35 36 # Determine modorder. 37 # Unfortunately, we don't have information about ordering between -y 38 # and -m subdirs. Just put -y's first. 39 modorder := $(patsubst %/,%/modules.order, $(filter %/, $(obj-y)) $(obj-m:.o=.ko)) 40 41 __subdir-y := $(patsubst %/,%,$(filter %/, $(obj-y))) 42 subdir-y += $(__subdir-y) 43 __subdir-m := $(patsubst %/,%,$(filter %/, $(obj-m))) 44 subdir-m += $(__subdir-m) 45 obj-y := $(patsubst %/, %/built-in.o, $(obj-y)) 46 obj-m := $(filter-out %/, $(obj-m)) 47 48 # Subdirectories we need to descend into 49 50 subdir-ym := $(sort $(subdir-y) $(subdir-m)) 51 52 # if $(foo-objs) exists, foo.o is a composite object 53 multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) 54 multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m)))) 55 multi-used := $(multi-used-y) $(multi-used-m) 56 single-used-m := $(sort $(filter-out $(multi-used-m),$(obj-m))) 57 58 # Build list of the parts of our composite objects, our composite 59 # objects depend on those (obviously) 60 multi-objs-y := $(foreach m, $(multi-used-y), $($(m:.o=-objs)) $($(m:.o=-y))) 61 multi-objs-m := $(foreach m, $(multi-used-m), $($(m:.o=-objs)) $($(m:.o=-y))) 62 multi-objs := $(multi-objs-y) $(multi-objs-m) 63 64 # $(subdir-obj-y) is the list of objects in $(obj-y) which uses dir/ to 65 # tell kbuild to descend 66 subdir-obj-y := $(filter %/built-in.o, $(obj-y)) 67 68 # $(obj-dirs) is a list of directories that contain object files 69 obj-dirs := $(dir $(multi-objs) $(obj-y)) 70 71 # Replace multi-part objects by their individual parts, look at local dir only 72 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) 73 real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))),$($(m:.o=-objs)) $($(m:.o=-y)),$(m))) 74 75 # Add subdir path 76 77 extra-y := $(addprefix $(obj)/,$(extra-y)) 78 always := $(addprefix $(obj)/,$(always)) 79 targets := $(addprefix $(obj)/,$(targets)) 80 modorder := $(addprefix $(obj)/,$(modorder)) 81 obj-y := $(addprefix $(obj)/,$(obj-y)) 82 obj-m := $(addprefix $(obj)/,$(obj-m)) 83 lib-y := $(addprefix $(obj)/,$(lib-y)) 84 subdir-obj-y := $(addprefix $(obj)/,$(subdir-obj-y)) 85 real-objs-y := $(addprefix $(obj)/,$(real-objs-y)) 86 real-objs-m := $(addprefix $(obj)/,$(real-objs-m)) 87 single-used-m := $(addprefix $(obj)/,$(single-used-m)) 88 multi-used-y := $(addprefix $(obj)/,$(multi-used-y)) 89 multi-used-m := $(addprefix $(obj)/,$(multi-used-m)) 90 multi-objs-y := $(addprefix $(obj)/,$(multi-objs-y)) 91 multi-objs-m := $(addprefix $(obj)/,$(multi-objs-m)) 92 subdir-ym := $(addprefix $(obj)/,$(subdir-ym)) 93 obj-dirs := $(addprefix $(obj)/,$(obj-dirs)) 94 95 # These flags are needed for modversions and compiling, so we define them here 96 # already 97 # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will 98 # end up in (or would, if it gets compiled in) 99 # Note: Files that end up in two or more modules are compiled without the 100 # KBUILD_MODNAME definition. The reason is that any made-up name would 101 # differ in different configs. 102 name-fix = $(subst $(comma),_,$(subst -,_,$1)) 103 basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))" 104 modname_flags = $(if $(filter 1,$(words $(modname))),\ 105 -D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))") 106 107 orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ 108 $(ccflags-y) $(CFLAGS_$(basetarget).o) 109 _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) 110 orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ 111 $(asflags-y) $(AFLAGS_$(basetarget).o) 112 _a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) 113 _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) 114 115 # 116 # Enable gcov profiling flags for a file, directory or for all files depending 117 # on variables GCOV_PROFILE_obj.o, GCOV_PROFILE and CONFIG_GCOV_PROFILE_ALL 118 # (in this order) 119 # 120 ifeq ($(CONFIG_GCOV_KERNEL),y) 121 _c_flags += $(if $(patsubst n%,, \ 122 $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ 123 $(CFLAGS_GCOV)) 124 endif 125 126 # 127 # Enable address sanitizer flags for kernel except some files or directories 128 # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) 129 # 130 ifeq ($(CONFIG_KASAN),y) 131 _c_flags += $(if $(patsubst n%,, \ 132 $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ 133 $(CFLAGS_KASAN)) 134 endif 135 136 # If building the kernel in a separate objtree expand all occurrences 137 # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). 138 139 ifeq ($(KBUILD_SRC),) 140 __c_flags = $(_c_flags) 141 __a_flags = $(_a_flags) 142 __cpp_flags = $(_cpp_flags) 143 else 144 145 # -I$(obj) locates generated .h files 146 # $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files 147 # and locates generated .h files 148 # FIXME: Replace both with specific CFLAGS* statements in the makefiles 149 __c_flags = $(call addtree,-I$(obj)) $(call flags,_c_flags) 150 __a_flags = $(call flags,_a_flags) 151 __cpp_flags = $(call flags,_cpp_flags) 152 endif 153 154 # Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE 155 c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 156 $(__c_flags) $(modkern_cflags) \ 157 -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) 158 159 a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 160 $(__a_flags) $(modkern_aflags) 161 162 cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ 163 $(__cpp_flags) 164 165 ld_flags = $(LDFLAGS) $(ldflags-y) 166 167 # Try these files in order to find the U-Boot-specific .dtsi include file 168 u_boot_dtsi_options = $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \ 169 $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \ 170 $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \ 171 $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \ 172 $(wildcard $(dir $<)u-boot.dtsi) 173 174 # Uncomment for debugging 175 # $(warning u_boot_dtsi_options: $(u_boot_dtsi_options)) 176 177 # We use the first match 178 u_boot_dtsi = $(firstword $(u_boot_dtsi_options)) 179 180 # Modified for U-Boot 181 dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ 182 -I$(srctree)/arch/$(ARCH)/dts \ 183 -I$(srctree)/arch/$(ARCH)/dts/include \ 184 -Iinclude \ 185 -I$(srctree)/include \ 186 -I$(srctree)/arch/$(ARCH)/include \ 187 -include $(srctree)/include/linux/kconfig.h \ 188 -D__ASSEMBLY__ \ 189 -undef -D__DTS__ 190 191 # Finds the multi-part object the current object will be linked into 192 modname-multi = $(sort $(foreach m,$(multi-used),\ 193 $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) 194 195 # Useful for describing the dependency of composite objects 196 # Usage: 197 # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) 198 define multi_depend 199 $(foreach m, $(notdir $1), \ 200 $(eval $(obj)/$m: \ 201 $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) 202 endef 203 204 ifdef REGENERATE_PARSERS 205 206 # GPERF 207 # --------------------------------------------------------------------------- 208 quiet_cmd_gperf = GPERF $@ 209 cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $< 210 211 .PRECIOUS: $(src)/%.hash.c_shipped 212 $(src)/%.hash.c_shipped: $(src)/%.gperf 213 $(call cmd,gperf) 214 215 # LEX 216 # --------------------------------------------------------------------------- 217 LEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy) 218 219 quiet_cmd_flex = LEX $@ 220 cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $< 221 222 .PRECIOUS: $(src)/%.lex.c_shipped 223 $(src)/%.lex.c_shipped: $(src)/%.l 224 $(call cmd,flex) 225 226 # YACC 227 # --------------------------------------------------------------------------- 228 YACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy) 229 230 quiet_cmd_bison = YACC $@ 231 cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $< 232 233 .PRECIOUS: $(src)/%.tab.c_shipped 234 $(src)/%.tab.c_shipped: $(src)/%.y 235 $(call cmd,bison) 236 237 quiet_cmd_bison_h = YACC $@ 238 cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $< 239 240 .PRECIOUS: $(src)/%.tab.h_shipped 241 $(src)/%.tab.h_shipped: $(src)/%.y 242 $(call cmd,bison_h) 243 244 endif 245 246 # Shipped files 247 # =========================================================================== 248 249 quiet_cmd_shipped = SHIPPED $@ 250 cmd_shipped = cat $< > $@ 251 252 $(obj)/%: $(src)/%_shipped 253 $(call cmd,shipped) 254 255 # Commands useful for building a boot image 256 # =========================================================================== 257 # 258 # Use as following: 259 # 260 # target: source(s) FORCE 261 # $(if_changed,ld/objcopy/gzip) 262 # 263 # and add target to extra-y so that we know we have to 264 # read in the saved command line 265 266 # Linking 267 # --------------------------------------------------------------------------- 268 269 quiet_cmd_ld = LD $@ 270 cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \ 271 $(filter-out FORCE,$^) -o $@ 272 273 # Objcopy 274 # --------------------------------------------------------------------------- 275 276 quiet_cmd_objcopy = OBJCOPY $@ 277 cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ 278 279 # Gzip 280 # --------------------------------------------------------------------------- 281 282 quiet_cmd_gzip = GZIP $@ 283 cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ 284 (rm -f $@ ; false) 285 286 # DTC 287 # --------------------------------------------------------------------------- 288 289 # Generate an assembly file to wrap the output of the device tree compiler 290 quiet_cmd_dt_S_dtb= DTB $@ 291 # Modified for U-Boot 292 cmd_dt_S_dtb= \ 293 ( \ 294 echo '.section .dtb.init.rodata,"a"'; \ 295 echo '.balign 16'; \ 296 echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ 297 echo '__dtb_$(subst -,_,$(*F))_begin:'; \ 298 echo '.incbin "$<" '; \ 299 echo '__dtb_$(subst -,_,$(*F))_end:'; \ 300 echo '.global __dtb_$(subst -,_,$(*F))_end'; \ 301 echo '.balign 16'; \ 302 ) > $@ 303 304 $(obj)/%.dtb.S: $(obj)/%.dtb 305 $(call cmd,dt_S_dtb) 306 307 quiet_cmd_dtc = DTC $@ 308 # Modified for U-Boot 309 # Bring in any U-Boot-specific include at the end of the file 310 cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ 311 cat $< $(if $(u_boot_dtsi),\ 312 | sed "$$ a\#include \"$(u_boot_dtsi)\"") | \ 313 $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) - ; \ 314 $(DTC) -O dtb -o $@ -b 0 \ 315 -i $(dir $<) $(DTC_FLAGS) \ 316 -d $(depfile).dtc.tmp $(dtc-tmp) ; \ 317 cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) 318 319 $(obj)/%.dtb: $(src)/%.dts FORCE 320 $(call if_changed_dep,dtc) 321 322 dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) 323 324 # Fonts 325 # --------------------------------------------------------------------------- 326 327 # Generate an assembly file to wrap the font data 328 quiet_cmd_S_ttf= TTF $@ 329 # Modified for U-Boot 330 cmd_S_ttf= \ 331 ( \ 332 echo '.section .rodata.ttf.init,"a"'; \ 333 echo '.balign 16'; \ 334 echo '.global __ttf_$(*F)_begin'; \ 335 echo '__ttf_$(*F)_begin:'; \ 336 echo '.incbin "$<" '; \ 337 echo '__ttf_$(*F)_end:'; \ 338 echo '.global __ttf_$(*F)_end'; \ 339 echo '.balign 16'; \ 340 ) > $@ 341 342 $(obj)/%.S: $(src)/%.ttf 343 $(call cmd,S_ttf) 344 345 # EFI Hello World application 346 # --------------------------------------------------------------------------- 347 348 # Generate an assembly file to wrap the EFI app 349 cmd_S_efi= \ 350 ( \ 351 echo '.section .rodata.efi.init,"a"'; \ 352 echo '.balign 16'; \ 353 echo '.global __efi_hello_world_begin'; \ 354 echo '__efi_hello_world_begin:'; \ 355 echo '.incbin "$<" '; \ 356 echo '__efi_hello_world_end:'; \ 357 echo '.global __efi_hello_world_end'; \ 358 echo '.balign 16'; \ 359 ) > $@ 360 361 $(obj)/%_efi.S: $(obj)/%.efi 362 $(call cmd,S_efi) 363 364 quiet_cmd_efi_objcopy = OBJCOPY $@ 365 cmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \ 366 .dynamic -j .dynsym -j .rel* -j .rela* -j .reloc \ 367 $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@ 368 369 $(obj)/%.efi: $(obj)/%.so 370 $(call cmd,efi_objcopy) 371 372 quiet_cmd_efi_ld = LD $@ 373 cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \ 374 -Bsymbolic $^ -o $@ 375 376 EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS) 377 378 $(obj)/helloworld.so: $(EFI_LDS_PATH) 379 380 $(obj)/helloworld.so: $(obj)/helloworld.o arch/$(ARCH)/lib/$(EFI_CRT0) \ 381 arch/$(ARCH)/lib/$(EFI_RELOC) 382 $(call cmd,efi_ld) 383 384 # ACPI 385 # --------------------------------------------------------------------------- 386 quiet_cmd_acpi_c_asl= ASL $< 387 cmd_acpi_c_asl= \ 388 $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) -o $<.tmp $<; \ 389 iasl -p $< -tc $<.tmp $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ 390 mv $(patsubst %.asl,%.hex,$<) $@ 391 392 $(obj)/dsdt.c: $(src)/dsdt.asl 393 $(call cmd,acpi_c_asl) 394 395 # Bzip2 396 # --------------------------------------------------------------------------- 397 398 # Bzip2 and LZMA do not include size in file... so we have to fake that; 399 # append the size as a 32-bit littleendian number as gzip does. 400 size_append = printf $(shell \ 401 dec_size=0; \ 402 for F in $1; do \ 403 fsize=$$(stat -c "%s" $$F); \ 404 dec_size=$$(expr $$dec_size + $$fsize); \ 405 done; \ 406 printf "%08x\n" $$dec_size | \ 407 sed 's/\(..\)/\1 /g' | { \ 408 read ch0 ch1 ch2 ch3; \ 409 for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ 410 printf '%s%03o' '\\' $$((0x$$ch)); \ 411 done; \ 412 } \ 413 ) 414 415 quiet_cmd_bzip2 = BZIP2 $@ 416 cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ 417 bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 418 (rm -f $@ ; false) 419 420 # Lzma 421 # --------------------------------------------------------------------------- 422 423 quiet_cmd_lzma = LZMA $@ 424 cmd_lzma = (cat $(filter-out FORCE,$^) | \ 425 lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 426 (rm -f $@ ; false) 427 428 quiet_cmd_lzo = LZO $@ 429 cmd_lzo = (cat $(filter-out FORCE,$^) | \ 430 lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 431 (rm -f $@ ; false) 432 433 quiet_cmd_lz4 = LZ4 $@ 434 cmd_lz4 = (cat $(filter-out FORCE,$^) | \ 435 lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 436 (rm -f $@ ; false) 437 438 # U-Boot mkimage 439 # --------------------------------------------------------------------------- 440 441 MKIMAGE := $(srctree)/scripts/mkuboot.sh 442 443 # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces 444 # the number of overrides in arch makefiles 445 UIMAGE_ARCH ?= $(SRCARCH) 446 UIMAGE_COMPRESSION ?= $(if $(2),$(2),none) 447 UIMAGE_OPTS-y ?= 448 UIMAGE_TYPE ?= kernel 449 UIMAGE_LOADADDR ?= arch_must_set_this 450 UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) 451 UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' 452 UIMAGE_IN ?= $< 453 UIMAGE_OUT ?= $@ 454 455 quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) 456 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ 457 -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ 458 -T $(UIMAGE_TYPE) \ 459 -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ 460 -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) 461 462 # XZ 463 # --------------------------------------------------------------------------- 464 # Use xzkern to compress the kernel image and xzmisc to compress other things. 465 # 466 # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage 467 # of the kernel decompressor. A BCJ filter is used if it is available for 468 # the target architecture. xzkern also appends uncompressed size of the data 469 # using size_append. The .xz format has the size information available at 470 # the end of the file too, but it's in more complex format and it's good to 471 # avoid changing the part of the boot code that reads the uncompressed size. 472 # Note that the bytes added by size_append will make the xz tool think that 473 # the file is corrupt. This is expected. 474 # 475 # xzmisc doesn't use size_append, so it can be used to create normal .xz 476 # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very 477 # big dictionary would increase the memory usage too much in the multi-call 478 # decompression mode. A BCJ filter isn't used either. 479 quiet_cmd_xzkern = XZKERN $@ 480 cmd_xzkern = (cat $(filter-out FORCE,$^) | \ 481 sh $(srctree)/scripts/xz_wrap.sh && \ 482 $(call size_append, $(filter-out FORCE,$^))) > $@ || \ 483 (rm -f $@ ; false) 484 485 quiet_cmd_xzmisc = XZMISC $@ 486 cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ 487 xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ 488 (rm -f $@ ; false) 489 490 # Additional commands for U-Boot 491 # 492 # mkimage 493 # --------------------------------------------------------------------------- 494 MKIMAGEOUTPUT ?= /dev/null 495 quiet_cmd_mkimage = MKIMAGE $@ 496 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ 497 $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT)) 498