Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0 |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 2 | # Backward compatibility |
| 3 | asflags-y += $(EXTRA_AFLAGS) |
| 4 | ccflags-y += $(EXTRA_CFLAGS) |
| 5 | cppflags-y += $(EXTRA_CPPFLAGS) |
| 6 | ldflags-y += $(EXTRA_LDFLAGS) |
| 7 | |
| 8 | # |
| 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) |
| 12 | |
| 13 | # Figure out what we need to build from the various variables |
| 14 | # =========================================================================== |
| 15 | |
| 16 | # When an object is listed to be built compiled-in and modular, |
| 17 | # only build the compiled-in version |
| 18 | |
| 19 | obj-m := $(filter-out $(obj-y),$(obj-m)) |
| 20 | |
| 21 | # Libraries are always collected in one lib file. |
| 22 | # Filter out objects already built-in |
| 23 | |
| 24 | lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m))) |
| 25 | |
| 26 | |
| 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) |
Masahiro Yamada | 33eb5e7 | 2014-06-16 18:56:38 +0900 | [diff] [blame] | 31 | # o if we encounter foo/ in $(obj-m), remove it from $(obj-m) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 32 | # and add the directory to the list of dirs to descend into: $(subdir-m) |
| 33 | |
| 34 | # Determine modorder. |
| 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)) |
| 38 | |
| 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)) |
| 45 | |
| 46 | # Subdirectories we need to descend into |
| 47 | |
| 48 | subdir-ym := $(sort $(subdir-y) $(subdir-m)) |
| 49 | |
Masahiro Yamada | 33eb5e7 | 2014-06-16 18:56:38 +0900 | [diff] [blame] | 50 | # if $(foo-objs) exists, foo.o is a composite object |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 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))) |
| 55 | |
| 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) |
| 61 | |
| 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)) |
| 65 | |
| 66 | # $(obj-dirs) is a list of directories that contain object files |
| 67 | obj-dirs := $(dir $(multi-objs) $(obj-y)) |
| 68 | |
| 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))) |
| 72 | |
| 73 | # Add subdir path |
| 74 | |
| 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)) |
| 92 | |
| 93 | # These flags are needed for modversions and compiling, so we define them here |
| 94 | # already |
Masahiro Yamada | 33eb5e7 | 2014-06-16 18:56:38 +0900 | [diff] [blame] | 95 | # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 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)))") |
| 104 | |
Masahiro Yamada | 958fe8f | 2014-03-05 16:59:40 +0900 | [diff] [blame] | 105 | orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 106 | $(ccflags-y) $(CFLAGS_$(basetarget).o) |
| 107 | _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) |
Simon Glass | 68b27d3 | 2015-07-31 09:31:18 -0600 | [diff] [blame] | 108 | orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 109 | $(asflags-y) $(AFLAGS_$(basetarget).o) |
Simon Glass | 68b27d3 | 2015-07-31 09:31:18 -0600 | [diff] [blame] | 110 | _a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) |
Masahiro Yamada | 958fe8f | 2014-03-05 16:59:40 +0900 | [diff] [blame] | 111 | _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 112 | |
| 113 | # |
| 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 |
| 116 | # (in this order) |
| 117 | # |
| 118 | ifeq ($(CONFIG_GCOV_KERNEL),y) |
| 119 | _c_flags += $(if $(patsubst n%,, \ |
| 120 | $(GCOV_PROFILE_$(basetarget).o)$(GCOV_PROFILE)$(CONFIG_GCOV_PROFILE_ALL)), \ |
| 121 | $(CFLAGS_GCOV)) |
| 122 | endif |
| 123 | |
Masahiro Yamada | 56fc3ba | 2015-07-05 01:56:55 +0900 | [diff] [blame] | 124 | # |
| 125 | # Enable address sanitizer flags for kernel except some files or directories |
| 126 | # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) |
| 127 | # |
| 128 | ifeq ($(CONFIG_KASAN),y) |
| 129 | _c_flags += $(if $(patsubst n%,, \ |
| 130 | $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ |
| 131 | $(CFLAGS_KASAN)) |
| 132 | endif |
| 133 | |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 134 | # If building the kernel in a separate objtree expand all occurrences |
| 135 | # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/'). |
| 136 | |
| 137 | ifeq ($(KBUILD_SRC),) |
| 138 | __c_flags = $(_c_flags) |
| 139 | __a_flags = $(_a_flags) |
| 140 | __cpp_flags = $(_cpp_flags) |
| 141 | else |
| 142 | |
| 143 | # -I$(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 |
Tom Rini | 40f1170 | 2020-03-11 18:11:17 -0400 | [diff] [blame] | 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 = $(call flags,_cpp_flags) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 151 | endif |
| 152 | |
Masahiro Yamada | 0d68fb1 | 2014-02-04 17:24:28 +0900 | [diff] [blame] | 153 | # Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE |
| 154 | c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 155 | $(__c_flags) $(modkern_cflags) \ |
| 156 | -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) |
| 157 | |
Masahiro Yamada | 0d68fb1 | 2014-02-04 17:24:28 +0900 | [diff] [blame] | 158 | a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 159 | $(__a_flags) $(modkern_aflags) |
| 160 | |
Masahiro Yamada | 0d68fb1 | 2014-02-04 17:24:28 +0900 | [diff] [blame] | 161 | cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 162 | $(__cpp_flags) |
| 163 | |
Tom Rini | 5d4ecf2 | 2020-03-27 11:46:27 -0400 | [diff] [blame] | 164 | ld_flags = $(KBUILD_LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 165 | |
Simon Glass | 52debad | 2016-11-25 20:15:59 -0700 | [diff] [blame] | 166 | # Try these files in order to find the U-Boot-specific .dtsi include file |
Simon Glass | 2eee32b | 2017-11-12 21:52:05 -0700 | [diff] [blame] | 167 | u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \ |
Tom Rini | 4fb6fae | 2017-05-24 11:04:03 -0400 | [diff] [blame] | 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) \ |
Simon Glass | 2eee32b | 2017-11-12 21:52:05 -0700 | [diff] [blame] | 171 | $(wildcard $(dir $<)u-boot.dtsi)) |
| 172 | |
| 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!)) |
Simon Glass | 52debad | 2016-11-25 20:15:59 -0700 | [diff] [blame] | 180 | |
| 181 | # Uncomment for debugging |
Simon Glass | 2eee32b | 2017-11-12 21:52:05 -0700 | [diff] [blame] | 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) |
Simon Glass | 52debad | 2016-11-25 20:15:59 -0700 | [diff] [blame] | 184 | |
| 185 | # We use the first match |
Simon Glass | 2eee32b | 2017-11-12 21:52:05 -0700 | [diff] [blame] | 186 | u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \ |
| 187 | $(notdir $(firstword $(u_boot_dtsi_options)))) |
Simon Glass | 52debad | 2016-11-25 20:15:59 -0700 | [diff] [blame] | 188 | |
Masahiro Yamada | 43c0893 | 2014-02-05 11:28:25 +0900 | [diff] [blame] | 189 | # Modified for U-Boot |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 190 | dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ |
Masahiro Yamada | 43c0893 | 2014-02-05 11:28:25 +0900 | [diff] [blame] | 191 | -I$(srctree)/arch/$(ARCH)/dts \ |
Simon Glass | 0123ee2 | 2014-06-11 23:29:44 -0600 | [diff] [blame] | 192 | -I$(srctree)/arch/$(ARCH)/dts/include \ |
Simon Glass | def5462 | 2016-11-25 20:15:58 -0700 | [diff] [blame] | 193 | -Iinclude \ |
| 194 | -I$(srctree)/include \ |
| 195 | -I$(srctree)/arch/$(ARCH)/include \ |
| 196 | -include $(srctree)/include/linux/kconfig.h \ |
| 197 | -D__ASSEMBLY__ \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 198 | -undef -D__DTS__ |
| 199 | |
| 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=)))) |
| 203 | |
Masahiro Yamada | 8c4532f | 2014-10-30 11:06:10 +0900 | [diff] [blame] | 204 | # Useful for describing the dependency of composite objects |
| 205 | # Usage: |
| 206 | # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) |
| 207 | define multi_depend |
| 208 | $(foreach m, $(notdir $1), \ |
| 209 | $(eval $(obj)/$m: \ |
| 210 | $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) |
| 211 | endef |
| 212 | |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 213 | # LEX |
| 214 | # --------------------------------------------------------------------------- |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 215 | quiet_cmd_flex = LEX $@ |
Eugeniu Rosca | d57dd94 | 2018-05-19 14:13:50 +0200 | [diff] [blame] | 216 | cmd_flex = $(LEX) -o$@ -L $< |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 217 | |
Eugeniu Rosca | d57dd94 | 2018-05-19 14:13:50 +0200 | [diff] [blame] | 218 | $(obj)/%.lex.c: $(src)/%.l FORCE |
| 219 | $(call if_changed,flex) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 220 | |
| 221 | # YACC |
| 222 | # --------------------------------------------------------------------------- |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 223 | quiet_cmd_bison = YACC $@ |
Eugeniu Rosca | d57dd94 | 2018-05-19 14:13:50 +0200 | [diff] [blame] | 224 | cmd_bison = $(YACC) -o$@ -t -l $< |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 225 | |
Eugeniu Rosca | d57dd94 | 2018-05-19 14:13:50 +0200 | [diff] [blame] | 226 | $(obj)/%.tab.c: $(src)/%.y FORCE |
| 227 | $(call if_changed,bison) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 228 | |
| 229 | quiet_cmd_bison_h = YACC $@ |
Eugeniu Rosca | d57dd94 | 2018-05-19 14:13:50 +0200 | [diff] [blame] | 230 | cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $< |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 231 | |
Eugeniu Rosca | d57dd94 | 2018-05-19 14:13:50 +0200 | [diff] [blame] | 232 | $(obj)/%.tab.h: $(src)/%.y FORCE |
| 233 | $(call if_changed,bison_h) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 234 | |
| 235 | # Shipped files |
| 236 | # =========================================================================== |
| 237 | |
| 238 | quiet_cmd_shipped = SHIPPED $@ |
| 239 | cmd_shipped = cat $< > $@ |
| 240 | |
| 241 | $(obj)/%: $(src)/%_shipped |
| 242 | $(call cmd,shipped) |
| 243 | |
| 244 | # Commands useful for building a boot image |
| 245 | # =========================================================================== |
Masahiro Yamada | 33eb5e7 | 2014-06-16 18:56:38 +0900 | [diff] [blame] | 246 | # |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 247 | # Use as following: |
| 248 | # |
| 249 | # target: source(s) FORCE |
| 250 | # $(if_changed,ld/objcopy/gzip) |
| 251 | # |
| 252 | # and add target to extra-y so that we know we have to |
| 253 | # read in the saved command line |
| 254 | |
| 255 | # Linking |
| 256 | # --------------------------------------------------------------------------- |
| 257 | |
| 258 | quiet_cmd_ld = LD $@ |
Tom Rini | 5d4ecf2 | 2020-03-27 11:46:27 -0400 | [diff] [blame] | 259 | cmd_ld = $(LD) $(ld_flags) $(filter-out FORCE,$^) -o $@ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 260 | |
| 261 | # Objcopy |
| 262 | # --------------------------------------------------------------------------- |
| 263 | |
| 264 | quiet_cmd_objcopy = OBJCOPY $@ |
| 265 | cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ |
| 266 | |
| 267 | # Gzip |
| 268 | # --------------------------------------------------------------------------- |
| 269 | |
| 270 | quiet_cmd_gzip = GZIP $@ |
| 271 | cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ |
| 272 | (rm -f $@ ; false) |
| 273 | |
| 274 | # DTC |
| 275 | # --------------------------------------------------------------------------- |
| 276 | |
Tom Rini | d6d264c | 2020-02-24 12:50:33 -0500 | [diff] [blame] | 277 | # Disable noisy checks by default |
| 278 | ifeq ($(findstring 1,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),) |
| 279 | DTC_FLAGS += -Wno-unit_address_vs_reg \ |
| 280 | -Wno-unit_address_format \ |
| 281 | -Wno-avoid_unnecessary_addr_size \ |
| 282 | -Wno-alias_paths \ |
Tom Rini | 40f1170 | 2020-03-11 18:11:17 -0400 | [diff] [blame] | 283 | -Wno-graph_child_address \ |
| 284 | -Wno-graph_port \ |
| 285 | -Wno-unique_unit_address \ |
Tom Rini | bb18258 | 2020-02-24 12:50:35 -0500 | [diff] [blame] | 286 | -Wno-simple_bus_reg \ |
Tom Rini | d6d264c | 2020-02-24 12:50:33 -0500 | [diff] [blame] | 287 | -Wno-pci_device_reg |
Tom Rini | 5fb3964 | 2020-02-24 12:50:34 -0500 | [diff] [blame] | 288 | |
| 289 | # U-Boot specific disables |
| 290 | DTC_FLAGS += -Wno-pci_bridge \ |
| 291 | -Wno-pci_device_bus_num |
Tom Rini | d6d264c | 2020-02-24 12:50:33 -0500 | [diff] [blame] | 292 | endif |
| 293 | |
| 294 | ifneq ($(findstring 2,$(KBUILD_ENABLE_EXTRA_GCC_CHECKS)),) |
| 295 | DTC_FLAGS += -Wnode_name_chars_strict \ |
| 296 | -Wproperty_name_chars_strict |
| 297 | endif |
| 298 | |
| 299 | DTC_FLAGS += $(DTC_FLAGS_$(basetarget)) |
| 300 | |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 301 | # Generate an assembly file to wrap the output of the device tree compiler |
| 302 | quiet_cmd_dt_S_dtb= DTB $@ |
Masahiro Yamada | 43c0893 | 2014-02-05 11:28:25 +0900 | [diff] [blame] | 303 | # Modified for U-Boot |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 304 | cmd_dt_S_dtb= \ |
| 305 | ( \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 306 | echo '.section .dtb.init.rodata,"a"'; \ |
Simon Glass | 437790e | 2014-11-14 18:18:19 -0700 | [diff] [blame] | 307 | echo '.balign 16'; \ |
Maxime Ripard | 900975b | 2016-07-05 10:26:35 +0200 | [diff] [blame] | 308 | echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ |
| 309 | echo '__dtb_$(subst -,_,$(*F))_begin:'; \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 310 | echo '.incbin "$<" '; \ |
Maxime Ripard | 900975b | 2016-07-05 10:26:35 +0200 | [diff] [blame] | 311 | echo '__dtb_$(subst -,_,$(*F))_end:'; \ |
| 312 | echo '.global __dtb_$(subst -,_,$(*F))_end'; \ |
Simon Glass | 437790e | 2014-11-14 18:18:19 -0700 | [diff] [blame] | 313 | echo '.balign 16'; \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 314 | ) > $@ |
| 315 | |
| 316 | $(obj)/%.dtb.S: $(obj)/%.dtb |
| 317 | $(call cmd,dt_S_dtb) |
| 318 | |
Jean-Jacques Hiblot | 83a4041 | 2019-10-22 16:39:16 +0200 | [diff] [blame] | 319 | ifeq ($(CONFIG_SPL_LOAD_FIT_APPLY_OVERLAY),y) |
| 320 | DTC_FLAGS += -@ |
| 321 | endif |
| 322 | |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 323 | quiet_cmd_dtc = DTC $@ |
Masahiro Yamada | 43c0893 | 2014-02-05 11:28:25 +0900 | [diff] [blame] | 324 | # Modified for U-Boot |
Tom Rini | b6bbec1 | 2017-05-17 14:06:08 -0400 | [diff] [blame] | 325 | # Bring in any U-Boot-specific include at the end of the file |
Masahiro Yamada | 56fc3ba | 2015-07-05 01:56:55 +0900 | [diff] [blame] | 326 | cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ |
Masahiro Yamada | a002e04 | 2018-09-19 11:35:57 +0900 | [diff] [blame] | 327 | (cat $<; $(if $(u_boot_dtsi),echo '$(pound)include "$(u_boot_dtsi)"')) > $(pre-tmp); \ |
Masahiro Yamada | 5007487 | 2017-10-11 23:56:10 +0900 | [diff] [blame] | 328 | $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \ |
Pavel Machek | c782190 | 2015-04-06 15:46:44 +0200 | [diff] [blame] | 329 | $(DTC) -O dtb -o $@ -b 0 \ |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 330 | -i $(dir $<) $(DTC_FLAGS) \ |
Simon Glass | 370efef | 2019-12-06 21:41:44 -0700 | [diff] [blame] | 331 | -d $(depfile).dtc.tmp $(dtc-tmp) || \ |
| 332 | (echo "Check $(shell pwd)/$(pre-tmp) for errors" && false) \ |
| 333 | ; \ |
Stephen Warren | 465b16b | 2019-02-26 12:20:26 -0700 | [diff] [blame] | 334 | cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) ; \ |
| 335 | sed -i "s:$(pre-tmp):$(<):" $(depfile) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 336 | |
| 337 | $(obj)/%.dtb: $(src)/%.dts FORCE |
| 338 | $(call if_changed_dep,dtc) |
| 339 | |
Masahiro Yamada | 5007487 | 2017-10-11 23:56:10 +0900 | [diff] [blame] | 340 | pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp) |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 341 | dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) |
| 342 | |
Pantelis Antoniou | ce382b6 | 2017-09-04 23:12:20 +0300 | [diff] [blame] | 343 | # DTCO |
| 344 | # --------------------------------------------------------------------------- |
| 345 | |
| 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}) ; \ |
Michal Simek | 0d45a6a | 2019-02-11 14:51:02 +0100 | [diff] [blame] | 351 | $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ |
Pantelis Antoniou | ce382b6 | 2017-09-04 23:12:20 +0300 | [diff] [blame] | 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) |
| 356 | |
| 357 | $(obj)/%.dtbo: $(src)/%.dts FORCE |
| 358 | $(call if_changed_dep,dtco) |
| 359 | |
Simon Glass | 439079a | 2016-01-14 18:10:35 -0700 | [diff] [blame] | 360 | # Fonts |
| 361 | # --------------------------------------------------------------------------- |
| 362 | |
| 363 | # Generate an assembly file to wrap the font data |
| 364 | quiet_cmd_S_ttf= TTF $@ |
| 365 | # Modified for U-Boot |
| 366 | cmd_S_ttf= \ |
| 367 | ( \ |
| 368 | echo '.section .rodata.ttf.init,"a"'; \ |
| 369 | echo '.balign 16'; \ |
| 370 | echo '.global __ttf_$(*F)_begin'; \ |
| 371 | echo '__ttf_$(*F)_begin:'; \ |
| 372 | echo '.incbin "$<" '; \ |
| 373 | echo '__ttf_$(*F)_end:'; \ |
| 374 | echo '.global __ttf_$(*F)_end'; \ |
| 375 | echo '.balign 16'; \ |
| 376 | ) > $@ |
| 377 | |
| 378 | $(obj)/%.S: $(src)/%.ttf |
| 379 | $(call cmd,S_ttf) |
| 380 | |
Heinrich Schuchardt | 378e8b4 | 2017-09-05 16:07:17 +0200 | [diff] [blame] | 381 | # EFI applications |
| 382 | # A Makefile target *.efi is built as EFI application. |
| 383 | # A Makefile target *_efi.S wraps *.efi as built-in EFI application. |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 384 | # --------------------------------------------------------------------------- |
| 385 | |
| 386 | # Generate an assembly file to wrap the EFI app |
Heinrich Schuchardt | 378e8b4 | 2017-09-05 16:07:17 +0200 | [diff] [blame] | 387 | cmd_S_efi= \ |
| 388 | ( \ |
| 389 | echo '.section .rodata.$*.init,"a"'; \ |
| 390 | echo '.balign 16'; \ |
| 391 | echo '.global __efi_$*_begin'; \ |
| 392 | echo '__efi_$*_begin:'; \ |
| 393 | echo '.incbin "$<" '; \ |
| 394 | echo '__efi_$*_end:'; \ |
| 395 | echo '.global __efi_$*_end'; \ |
| 396 | echo '.balign 16'; \ |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 397 | ) > $@ |
| 398 | |
| 399 | $(obj)/%_efi.S: $(obj)/%.efi |
| 400 | $(call cmd,S_efi) |
| 401 | |
Andrew F. Davis | 6aeac2c | 2017-01-06 16:23:59 -0600 | [diff] [blame] | 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 \ |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 405 | $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@ |
| 406 | |
Heinrich Schuchardt | 378e8b4 | 2017-09-05 16:07:17 +0200 | [diff] [blame] | 407 | $(obj)/%.efi: $(obj)/%_efi.so |
Andrew F. Davis | 6aeac2c | 2017-01-06 16:23:59 -0600 | [diff] [blame] | 408 | $(call cmd,efi_objcopy) |
| 409 | |
| 410 | quiet_cmd_efi_ld = LD $@ |
| 411 | cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \ |
Bin Meng | d202e95 | 2018-10-02 07:39:29 -0700 | [diff] [blame] | 412 | -Bsymbolic -s $^ -o $@ |
Andrew F. Davis | 6aeac2c | 2017-01-06 16:23:59 -0600 | [diff] [blame] | 413 | |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 414 | EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS) |
| 415 | |
Heinrich Schuchardt | a33efa8 | 2019-07-22 07:59:23 +0200 | [diff] [blame] | 416 | $(obj)/efi_crt0.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_CRT0:.o=.S) FORCE |
Heinrich Schuchardt | 68f9288 | 2018-06-02 19:00:41 +0200 | [diff] [blame] | 417 | $(call if_changed_dep,as_o_S) |
| 418 | |
| 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) |
| 422 | |
Heinrich Schuchardt | c5a8cb8 | 2019-03-11 22:04:51 +0100 | [diff] [blame] | 423 | $(obj)/%_efi.so: $(obj)/%.o $(obj)/efi_crt0.o $(obj)/efi_reloc.o $(obj)/efi_freestanding.o |
Andrew F. Davis | 6aeac2c | 2017-01-06 16:23:59 -0600 | [diff] [blame] | 424 | $(call cmd,efi_ld) |
Simon Glass | fac4ced | 2016-11-07 08:47:08 -0700 | [diff] [blame] | 425 | |
Saket Sinha | 331141a | 2015-08-22 12:20:55 +0530 | [diff] [blame] | 426 | # ACPI |
| 427 | # --------------------------------------------------------------------------- |
Simon Glass | 1171a49 | 2019-07-28 14:16:28 -0600 | [diff] [blame] | 428 | # |
| 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 = $(patsubst %.c,%.asl.tmp,$@) |
| 437 | |
Bin Meng | e598428 | 2016-05-07 07:46:16 -0700 | [diff] [blame] | 438 | quiet_cmd_acpi_c_asl= ASL $< |
Saket Sinha | 331141a | 2015-08-22 12:20:55 +0530 | [diff] [blame] | 439 | cmd_acpi_c_asl= \ |
Simon Glass | 4969d21 | 2020-04-08 16:57:37 -0600 | [diff] [blame] | 440 | $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -D__ACPI__ \ |
| 441 | -P $(UBOOTINCLUDE) -o $(ASL_TMP) $< && \ |
Simon Glass | 1171a49 | 2019-07-28 14:16:28 -0600 | [diff] [blame] | 442 | iasl -p $@ -tc $(ASL_TMP) $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ |
| 443 | mv $(patsubst %.c,%.hex,$@) $@ |
Saket Sinha | 331141a | 2015-08-22 12:20:55 +0530 | [diff] [blame] | 444 | |
Bin Meng | 546e120 | 2016-05-07 07:46:17 -0700 | [diff] [blame] | 445 | $(obj)/dsdt.c: $(src)/dsdt.asl |
Saket Sinha | 331141a | 2015-08-22 12:20:55 +0530 | [diff] [blame] | 446 | $(call cmd,acpi_c_asl) |
Andy Shevchenko | 1932afb | 2018-05-23 12:38:02 +0300 | [diff] [blame] | 447 | $(Q)sed -i -e "s,dsdt_aml_code,AmlCode," $@ |
Saket Sinha | 331141a | 2015-08-22 12:20:55 +0530 | [diff] [blame] | 448 | |
Masahiro Yamada | 47b65f7 | 2014-02-04 17:24:27 +0900 | [diff] [blame] | 449 | # Bzip2 |
| 450 | # --------------------------------------------------------------------------- |
| 451 | |
| 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 \ |
| 455 | dec_size=0; \ |
| 456 | for F in $1; do \ |
| 457 | fsize=$$(stat -c "%s" $$F); \ |
| 458 | dec_size=$$(expr $$dec_size + $$fsize); \ |
| 459 | done; \ |
| 460 | printf "%08x\n" $$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)); \ |
| 465 | done; \ |
| 466 | } \ |
| 467 | ) |
| 468 | |
| 469 | quiet_cmd_bzip2 = BZIP2 $@ |
| 470 | cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ |
| 471 | bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ |
| 472 | (rm -f $@ ; false) |
| 473 | |
| 474 | # Lzma |
| 475 | # --------------------------------------------------------------------------- |
| 476 | |
| 477 | quiet_cmd_lzma = LZMA $@ |
| 478 | cmd_lzma = (cat $(filter-out FORCE,$^) | \ |
| 479 | lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ |
| 480 | (rm -f $@ ; false) |
| 481 | |
| 482 | quiet_cmd_lzo = LZO $@ |
| 483 | cmd_lzo = (cat $(filter-out FORCE,$^) | \ |
| 484 | lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ |
| 485 | (rm -f $@ ; false) |
| 486 | |
| 487 | quiet_cmd_lz4 = LZ4 $@ |
| 488 | cmd_lz4 = (cat $(filter-out FORCE,$^) | \ |
| 489 | lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ |
| 490 | (rm -f $@ ; false) |
| 491 | |
| 492 | # U-Boot mkimage |
| 493 | # --------------------------------------------------------------------------- |
| 494 | |
| 495 | MKIMAGE := $(srctree)/scripts/mkuboot.sh |
| 496 | |
| 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) |
| 501 | UIMAGE_OPTS-y ?= |
| 502 | UIMAGE_TYPE ?= kernel |
| 503 | UIMAGE_LOADADDR ?= arch_must_set_this |
| 504 | UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) |
| 505 | UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' |
| 506 | UIMAGE_IN ?= $< |
| 507 | UIMAGE_OUT ?= $@ |
| 508 | |
| 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) \ |
| 512 | -T $(UIMAGE_TYPE) \ |
| 513 | -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ |
| 514 | -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) |
| 515 | |
| 516 | # XZ |
| 517 | # --------------------------------------------------------------------------- |
| 518 | # Use xzkern to compress the kernel image and xzmisc to compress other things. |
| 519 | # |
| 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. |
| 528 | # |
| 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, $(filter-out FORCE,$^))) > $@ || \ |
| 537 | (rm -f $@ ; false) |
| 538 | |
| 539 | quiet_cmd_xzmisc = XZMISC $@ |
| 540 | cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ |
| 541 | xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ |
| 542 | (rm -f $@ ; false) |
Masahiro Yamada | 3766609 | 2014-06-04 10:12:21 +0900 | [diff] [blame] | 543 | |
| 544 | # Additional commands for U-Boot |
| 545 | # |
| 546 | # mkimage |
| 547 | # --------------------------------------------------------------------------- |
Sven Ebenfeld | 9964ebd | 2016-11-06 16:37:58 +0100 | [diff] [blame] | 548 | MKIMAGEOUTPUT ?= /dev/null |
Masahiro Yamada | 3766609 | 2014-06-04 10:12:21 +0900 | [diff] [blame] | 549 | quiet_cmd_mkimage = MKIMAGE $@ |
| 550 | cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ |
Rasmus Villemoes | b40a1ff | 2018-03-23 12:08:02 +0100 | [diff] [blame] | 551 | >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) |
Simon Goldschmidt | 47b04fd | 2018-02-14 06:44:36 +0100 | [diff] [blame] | 552 | |
| 553 | # fdtgrep |
| 554 | # --------------------------------------------------------------------------- |
| 555 | # Pass the original device tree file through fdtgrep twice. The first pass |
| 556 | # removes any unwanted nodes (i.e. those which don't have the |
| 557 | # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second |
| 558 | # pass removes various unused properties from the remaining nodes. |
| 559 | # The output is typically a much smaller device tree file. |
| 560 | ifeq ($(CONFIG_TPL_BUILD),y) |
| 561 | fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl |
| 562 | else |
| 563 | fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl |
| 564 | endif |
| 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 $@ \ |
Patrick Delaunay | 0b025b8 | 2019-02-11 12:49:57 +0100 | [diff] [blame] | 569 | -P u-boot,dm-pre-reloc -P u-boot,dm-spl -P u-boot,dm-tpl \ |
Simon Goldschmidt | 47b04fd | 2018-02-14 06:44:36 +0100 | [diff] [blame] | 570 | $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) |
Anatolij Gustschin | 0856834 | 2020-01-12 15:57:42 +0100 | [diff] [blame] | 571 | |
| 572 | # fdt_rm_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))) |