projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | # SPDX-License-Identifier: GPL-2.0 |
| 22433fc5 MY |
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) | |
| 45f0ad95 | 31 | # o if we encounter foo/ in $(obj-m), remove it from $(obj-m) |
| 22433fc5 MY |
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 | ||
| 45f0ad95 | 50 | # if $(foo-objs) exists, foo.o is a composite object |
| 22433fc5 MY |
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 | |
| 45f0ad95 | 95 | # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will |
| 22433fc5 MY |
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 | ||
| 026f9cf2 | 105 | orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ |
| 22433fc5 MY |
106 | $(ccflags-y) $(CFLAGS_$(basetarget).o) |
| 107 | _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) | |
| 3834f417 | 108 | orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ |
| 22433fc5 | 109 | $(asflags-y) $(AFLAGS_$(basetarget).o) |
| 3834f417 | 110 | _a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) |
| 026f9cf2 | 111 | _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) |
| 22433fc5 MY |
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 | $(CFLAGS_GCOV)) | |
| 122 | endif | |
| 123 | ||
| 98bd0e0d MY |
124 | # |
| 125 | # Enable address sanitizer flags for kernel except some files or directories | |
| 126 | # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) | |
| 127 | # | |
| 128 | ifeq ($(CONFIG_KASAN),y) | |
| 129 | _c_flags += $(if $(patsubst n%,, \ | |
| 130 | $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ | |
| 131 | $(CFLAGS_KASAN)) | |
| 132 | endif | |
| 133 | ||
| 22433fc5 MY |
134 | # If building the kernel in a separate objtree expand all occurrences |
| 135 | # of -Idir to -I$(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 | |
| 147 | __c_flags = $(call addtree,-I$(obj)) $(call flags,_c_flags) | |
| 148 | __a_flags = $(call flags,_a_flags) | |
| 149 | __cpp_flags = $(call flags,_cpp_flags) | |
| 150 | endif | |
| 151 | ||
| 6825a95b MY |
152 | # Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE |
| 153 | c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ | |
| 22433fc5 MY |
154 | $(__c_flags) $(modkern_cflags) \ |
| 155 | -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) | |
| 156 | ||
| 6825a95b | 157 | a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
| 22433fc5 MY |
158 | $(__a_flags) $(modkern_aflags) |
| 159 | ||
| 6825a95b | 160 | cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
| 22433fc5 MY |
161 | $(__cpp_flags) |
| 162 | ||
| 163 | ld_flags = $(LDFLAGS) $(ldflags-y) | |
| 164 | ||
| 6d427c6b | 165 | # Try these files in order to find the U-Boot-specific .dtsi include file |
| 511fd0b2 | 166 | u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \ |
| 0f7faf03 TR |
167 | $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi) \ |
| 168 | $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi) \ | |
| 169 | $(wildcard $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi) \ | |
| 511fd0b2 SG |
170 | $(wildcard $(dir $<)u-boot.dtsi)) |
| 171 | ||
| 172 | u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \ | |
| 173 | $(dir $<)$(basename $(notdir $<))-u-boot.dtsi \ | |
| 174 | $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \ | |
| 175 | $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \ | |
| 176 | $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \ | |
| 177 | $(dir $<)u-boot.dtsi ... \ | |
| 178 | found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!)) | |
| 6d427c6b SG |
179 | |
| 180 | # Uncomment for debugging | |
| 511fd0b2 SG |
181 | # This shows all the files that were considered and the one that we chose. |
| 182 | # u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw) | |
| 6d427c6b SG |
183 | |
| 184 | # We use the first match | |
| 511fd0b2 SG |
185 | u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \ |
| 186 | $(notdir $(firstword $(u_boot_dtsi_options)))) | |
| 6d427c6b | 187 | |
| 6ab6b2af | 188 | # Modified for U-Boot |
| 22433fc5 | 189 | dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ |
| 6ab6b2af | 190 | -I$(srctree)/arch/$(ARCH)/dts \ |
| 5957ac2a | 191 | -I$(srctree)/arch/$(ARCH)/dts/include \ |
| b116aff2 SG |
192 | -Iinclude \ |
| 193 | -I$(srctree)/include \ | |
| 194 | -I$(srctree)/arch/$(ARCH)/include \ | |
| 195 | -include $(srctree)/include/linux/kconfig.h \ | |
| 196 | -D__ASSEMBLY__ \ | |
| 22433fc5 MY |
197 | -undef -D__DTS__ |
| 198 | ||
| 199 | # Finds the multi-part object the current object will be linked into | |
| 200 | modname-multi = $(sort $(foreach m,$(multi-used),\ | |
| 201 | $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) | |
| 202 | ||
| cb6e7b0d MY |
203 | # Useful for describing the dependency of composite objects |
| 204 | # Usage: | |
| 205 | # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) | |
| 206 | define multi_depend | |
| 207 | $(foreach m, $(notdir $1), \ | |
| 208 | $(eval $(obj)/$m: \ | |
| 209 | $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) | |
| 210 | endef | |
| 211 | ||
| 22433fc5 MY |
212 | # LEX |
| 213 | # --------------------------------------------------------------------------- | |
| 22433fc5 | 214 | quiet_cmd_flex = LEX $@ |
| e91610da | 215 | cmd_flex = $(LEX) -o$@ -L $< |
| 22433fc5 | 216 | |
| e91610da ER |
217 | $(obj)/%.lex.c: $(src)/%.l FORCE |
| 218 | $(call if_changed,flex) | |
| 22433fc5 MY |
219 | |
| 220 | # YACC | |
| 221 | # --------------------------------------------------------------------------- | |
| 22433fc5 | 222 | quiet_cmd_bison = YACC $@ |
| e91610da | 223 | cmd_bison = $(YACC) -o$@ -t -l $< |
| 22433fc5 | 224 | |
| e91610da ER |
225 | $(obj)/%.tab.c: $(src)/%.y FORCE |
| 226 | $(call if_changed,bison) | |
| 22433fc5 MY |
227 | |
| 228 | quiet_cmd_bison_h = YACC $@ | |
| e91610da | 229 | cmd_bison_h = $(YACC) -o/dev/null --defines=$@ -t -l $< |
| 22433fc5 | 230 | |
| e91610da ER |
231 | $(obj)/%.tab.h: $(src)/%.y FORCE |
| 232 | $(call if_changed,bison_h) | |
| 22433fc5 MY |
233 | |
| 234 | # Shipped files | |
| 235 | # =========================================================================== | |
| 236 | ||
| 237 | quiet_cmd_shipped = SHIPPED $@ | |
| 238 | cmd_shipped = cat $< > $@ | |
| 239 | ||
| 240 | $(obj)/%: $(src)/%_shipped | |
| 241 | $(call cmd,shipped) | |
| 242 | ||
| 243 | # Commands useful for building a boot image | |
| 244 | # =========================================================================== | |
| 45f0ad95 | 245 | # |
| 22433fc5 MY |
246 | # Use as following: |
| 247 | # | |
| 248 | # target: source(s) FORCE | |
| 249 | # $(if_changed,ld/objcopy/gzip) | |
| 250 | # | |
| 251 | # and add target to extra-y so that we know we have to | |
| 252 | # read in the saved command line | |
| 253 | ||
| 254 | # Linking | |
| 255 | # --------------------------------------------------------------------------- | |
| 256 | ||
| 257 | quiet_cmd_ld = LD $@ | |
| 258 | cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \ | |
| 45f0ad95 | 259 | $(filter-out FORCE,$^) -o $@ |
| 22433fc5 MY |
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 | ||
| 277 | # Generate an assembly file to wrap the output of the device tree compiler | |
| 278 | quiet_cmd_dt_S_dtb= DTB $@ | |
| 6ab6b2af | 279 | # Modified for U-Boot |
| 22433fc5 MY |
280 | cmd_dt_S_dtb= \ |
| 281 | ( \ | |
| 22433fc5 | 282 | echo '.section .dtb.init.rodata,"a"'; \ |
| 5c30bf43 | 283 | echo '.balign 16'; \ |
| 716f9085 MR |
284 | echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ |
| 285 | echo '__dtb_$(subst -,_,$(*F))_begin:'; \ | |
| 22433fc5 | 286 | echo '.incbin "$<" '; \ |
| 716f9085 MR |
287 | echo '__dtb_$(subst -,_,$(*F))_end:'; \ |
| 288 | echo '.global __dtb_$(subst -,_,$(*F))_end'; \ | |
| 5c30bf43 | 289 | echo '.balign 16'; \ |
| 22433fc5 MY |
290 | ) > $@ |
| 291 | ||
| 292 | $(obj)/%.dtb.S: $(obj)/%.dtb | |
| 293 | $(call cmd,dt_S_dtb) | |
| 294 | ||
| 295 | quiet_cmd_dtc = DTC $@ | |
| 6ab6b2af | 296 | # Modified for U-Boot |
| 7452946e | 297 | # Bring in any U-Boot-specific include at the end of the file |
| 98bd0e0d | 298 | cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ |
| 0c544115 | 299 | (cat $<; $(if $(u_boot_dtsi),echo '$(pound)include "$(u_boot_dtsi)"')) > $(pre-tmp); \ |
| ecc9709f | 300 | $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \ |
| c4aaf2e0 | 301 | $(DTC) -O dtb -o $@ -b 0 \ |
| 22433fc5 MY |
302 | -i $(dir $<) $(DTC_FLAGS) \ |
| 303 | -d $(depfile).dtc.tmp $(dtc-tmp) ; \ | |
| 8422ad51 SW |
304 | cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) ; \ |
| 305 | sed -i "s:$(pre-tmp):$(<):" $(depfile) | |
| 22433fc5 MY |
306 | |
| 307 | $(obj)/%.dtb: $(src)/%.dts FORCE | |
| 308 | $(call if_changed_dep,dtc) | |
| 309 | ||
| ecc9709f | 310 | pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp) |
| 22433fc5 MY |
311 | dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) |
| 312 | ||
| da0b3a94 PA |
313 | # DTCO |
| 314 | # --------------------------------------------------------------------------- | |
| 315 | ||
| 316 | quiet_cmd_dtco = DTCO $@ | |
| 317 | # Rule for objects only; does not put specific u-boot include at the end | |
| 318 | # No generation of assembly file either | |
| 319 | # Modified for U-Boot | |
| 320 | cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \ | |
| 1e7883f6 | 321 | $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ |
| da0b3a94 PA |
322 | $(DTC) -@ -O dtb -o $@ -b 0 \ |
| 323 | -i $(dir $<) $(DTC_FLAGS) \ | |
| 324 | -d $(depfile).dtc.tmp $(dtc-tmp) ; \ | |
| 325 | cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) | |
| 326 | ||
| 327 | $(obj)/%.dtbo: $(src)/%.dts FORCE | |
| 328 | $(call if_changed_dep,dtco) | |
| 329 | ||
| 30a1dcad SG |
330 | # Fonts |
| 331 | # --------------------------------------------------------------------------- | |
| 332 | ||
| 333 | # Generate an assembly file to wrap the font data | |
| 334 | quiet_cmd_S_ttf= TTF $@ | |
| 335 | # Modified for U-Boot | |
| 336 | cmd_S_ttf= \ | |
| 337 | ( \ | |
| 338 | echo '.section .rodata.ttf.init,"a"'; \ | |
| 339 | echo '.balign 16'; \ | |
| 340 | echo '.global __ttf_$(*F)_begin'; \ | |
| 341 | echo '__ttf_$(*F)_begin:'; \ | |
| 342 | echo '.incbin "$<" '; \ | |
| 343 | echo '__ttf_$(*F)_end:'; \ | |
| 344 | echo '.global __ttf_$(*F)_end'; \ | |
| 345 | echo '.balign 16'; \ | |
| 346 | ) > $@ | |
| 347 | ||
| 348 | $(obj)/%.S: $(src)/%.ttf | |
| 349 | $(call cmd,S_ttf) | |
| 350 | ||
| b0763108 HS |
351 | # EFI applications |
| 352 | # A Makefile target *.efi is built as EFI application. | |
| 353 | # A Makefile target *_efi.S wraps *.efi as built-in EFI application. | |
| c7ae3dfd SG |
354 | # --------------------------------------------------------------------------- |
| 355 | ||
| 356 | # Generate an assembly file to wrap the EFI app | |
| b0763108 HS |
357 | cmd_S_efi= \ |
| 358 | ( \ | |
| 359 | echo '.section .rodata.$*.init,"a"'; \ | |
| 360 | echo '.balign 16'; \ | |
| 361 | echo '.global __efi_$*_begin'; \ | |
| 362 | echo '__efi_$*_begin:'; \ | |
| 363 | echo '.incbin "$<" '; \ | |
| 364 | echo '__efi_$*_end:'; \ | |
| 365 | echo '.global __efi_$*_end'; \ | |
| 366 | echo '.balign 16'; \ | |
| c7ae3dfd SG |
367 | ) > $@ |
| 368 | ||
| 369 | $(obj)/%_efi.S: $(obj)/%.efi | |
| 370 | $(call cmd,S_efi) | |
| 371 | ||
| f19f1315 AD |
372 | quiet_cmd_efi_objcopy = OBJCOPY $@ |
| 373 | cmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \ | |
| 374 | .dynamic -j .dynsym -j .rel* -j .rela* -j .reloc \ | |
| c7ae3dfd SG |
375 | $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@ |
| 376 | ||
| b0763108 | 377 | $(obj)/%.efi: $(obj)/%_efi.so |
| f19f1315 AD |
378 | $(call cmd,efi_objcopy) |
| 379 | ||
| 380 | quiet_cmd_efi_ld = LD $@ | |
| 381 | cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \ | |
| f7855bb7 | 382 | -Bsymbolic -s $^ -o $@ |
| f19f1315 | 383 | |
| c7ae3dfd SG |
384 | EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS) |
| 385 | ||
| 2f61b13d HS |
386 | $(obj)/efi_crt0.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_CRT0:.o=.S) |
| 387 | $(call if_changed_dep,as_o_S) | |
| 388 | ||
| 389 | $(obj)/efi_reloc.o: $(srctree)/arch/$(ARCH)/lib/$(EFI_RELOC:.o=.c) $(recordmcount_source) FORCE | |
| 390 | $(call cmd,force_checksrc) | |
| 391 | $(call if_changed_rule,cc_o_c) | |
| 392 | ||
| e616100e | 393 | $(obj)/%_efi.so: $(obj)/%.o $(obj)/efi_crt0.o $(obj)/efi_reloc.o $(obj)/efi_freestanding.o |
| f19f1315 | 394 | $(call cmd,efi_ld) |
| c7ae3dfd | 395 | |
| 867bcb63 SS |
396 | # ACPI |
| 397 | # --------------------------------------------------------------------------- | |
| 68af8d88 | 398 | quiet_cmd_acpi_c_asl= ASL $< |
| 867bcb63 | 399 | cmd_acpi_c_asl= \ |
| 6683584c | 400 | $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) -o $<.tmp $<; \ |
| 06054b1a | 401 | iasl -p $< -tc $<.tmp $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ |
| 867bcb63 SS |
402 | mv $(patsubst %.asl,%.hex,$<) $@ |
| 403 | ||
| 3a2a3d0b | 404 | $(obj)/dsdt.c: $(src)/dsdt.asl |
| 867bcb63 | 405 | $(call cmd,acpi_c_asl) |
| 919c1c12 | 406 | $(Q)sed -i -e "s,dsdt_aml_code,AmlCode," $@ |
| 867bcb63 | 407 | |
| 22433fc5 MY |
408 | # Bzip2 |
| 409 | # --------------------------------------------------------------------------- | |
| 410 | ||
| 411 | # Bzip2 and LZMA do not include size in file... so we have to fake that; | |
| 412 | # append the size as a 32-bit littleendian number as gzip does. | |
| 413 | size_append = printf $(shell \ | |
| 414 | dec_size=0; \ | |
| 415 | for F in $1; do \ | |
| 416 | fsize=$$(stat -c "%s" $$F); \ | |
| 417 | dec_size=$$(expr $$dec_size + $$fsize); \ | |
| 418 | done; \ | |
| 419 | printf "%08x\n" $$dec_size | \ | |
| 420 | sed 's/\(..\)/\1 /g' | { \ | |
| 421 | read ch0 ch1 ch2 ch3; \ | |
| 422 | for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ | |
| 423 | printf '%s%03o' '\\' $$((0x$$ch)); \ | |
| 424 | done; \ | |
| 425 | } \ | |
| 426 | ) | |
| 427 | ||
| 428 | quiet_cmd_bzip2 = BZIP2 $@ | |
| 429 | cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ | |
| 430 | bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 431 | (rm -f $@ ; false) | |
| 432 | ||
| 433 | # Lzma | |
| 434 | # --------------------------------------------------------------------------- | |
| 435 | ||
| 436 | quiet_cmd_lzma = LZMA $@ | |
| 437 | cmd_lzma = (cat $(filter-out FORCE,$^) | \ | |
| 438 | lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 439 | (rm -f $@ ; false) | |
| 440 | ||
| 441 | quiet_cmd_lzo = LZO $@ | |
| 442 | cmd_lzo = (cat $(filter-out FORCE,$^) | \ | |
| 443 | lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 444 | (rm -f $@ ; false) | |
| 445 | ||
| 446 | quiet_cmd_lz4 = LZ4 $@ | |
| 447 | cmd_lz4 = (cat $(filter-out FORCE,$^) | \ | |
| 448 | lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 449 | (rm -f $@ ; false) | |
| 450 | ||
| 451 | # U-Boot mkimage | |
| 452 | # --------------------------------------------------------------------------- | |
| 453 | ||
| 454 | MKIMAGE := $(srctree)/scripts/mkuboot.sh | |
| 455 | ||
| 456 | # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces | |
| 457 | # the number of overrides in arch makefiles | |
| 458 | UIMAGE_ARCH ?= $(SRCARCH) | |
| 459 | UIMAGE_COMPRESSION ?= $(if $(2),$(2),none) | |
| 460 | UIMAGE_OPTS-y ?= | |
| 461 | UIMAGE_TYPE ?= kernel | |
| 462 | UIMAGE_LOADADDR ?= arch_must_set_this | |
| 463 | UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) | |
| 464 | UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' | |
| 465 | UIMAGE_IN ?= $< | |
| 466 | UIMAGE_OUT ?= $@ | |
| 467 | ||
| 468 | quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) | |
| 469 | cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ | |
| 470 | -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ | |
| 471 | -T $(UIMAGE_TYPE) \ | |
| 472 | -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ | |
| 473 | -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) | |
| 474 | ||
| 475 | # XZ | |
| 476 | # --------------------------------------------------------------------------- | |
| 477 | # Use xzkern to compress the kernel image and xzmisc to compress other things. | |
| 478 | # | |
| 479 | # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage | |
| 480 | # of the kernel decompressor. A BCJ filter is used if it is available for | |
| 481 | # the target architecture. xzkern also appends uncompressed size of the data | |
| 482 | # using size_append. The .xz format has the size information available at | |
| 483 | # the end of the file too, but it's in more complex format and it's good to | |
| 484 | # avoid changing the part of the boot code that reads the uncompressed size. | |
| 485 | # Note that the bytes added by size_append will make the xz tool think that | |
| 486 | # the file is corrupt. This is expected. | |
| 487 | # | |
| 488 | # xzmisc doesn't use size_append, so it can be used to create normal .xz | |
| 489 | # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very | |
| 490 | # big dictionary would increase the memory usage too much in the multi-call | |
| 491 | # decompression mode. A BCJ filter isn't used either. | |
| 492 | quiet_cmd_xzkern = XZKERN $@ | |
| 493 | cmd_xzkern = (cat $(filter-out FORCE,$^) | \ | |
| 494 | sh $(srctree)/scripts/xz_wrap.sh && \ | |
| 495 | $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 496 | (rm -f $@ ; false) | |
| 497 | ||
| 498 | quiet_cmd_xzmisc = XZMISC $@ | |
| 499 | cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ | |
| 500 | xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ | |
| 501 | (rm -f $@ ; false) | |
| ba8dd775 MY |
502 | |
| 503 | # Additional commands for U-Boot | |
| 504 | # | |
| 505 | # mkimage | |
| 506 | # --------------------------------------------------------------------------- | |
| 1f6a6648 | 507 | MKIMAGEOUTPUT ?= /dev/null |
| ba8dd775 MY |
508 | quiet_cmd_mkimage = MKIMAGE $@ |
| 509 | cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ | |
| 06587617 | 510 | >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) |
| d693742b SG |
511 | |
| 512 | # fdtgrep | |
| 513 | # --------------------------------------------------------------------------- | |
| 514 | # Pass the original device tree file through fdtgrep twice. The first pass | |
| 515 | # removes any unwanted nodes (i.e. those which don't have the | |
| 516 | # 'u-boot,dm-pre-reloc' property and thus are not needed by SPL. The second | |
| 517 | # pass removes various unused properties from the remaining nodes. | |
| 518 | # The output is typically a much smaller device tree file. | |
| 519 | ifeq ($(CONFIG_TPL_BUILD),y) | |
| 520 | fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-tpl | |
| 521 | else | |
| 522 | fdtgrep_props := -b u-boot,dm-pre-reloc -b u-boot,dm-spl | |
| 523 | endif | |
| 524 | quiet_cmd_fdtgrep = FDTGREP $@ | |
| 525 | cmd_fdtgrep = $(objtree)/tools/fdtgrep $(fdtgrep_props) -RT $< \ | |
| 526 | -n /chosen -n /config -O dtb | \ | |
| 527 | $(objtree)/tools/fdtgrep -r -O dtb - -o $@ \ | |
| 528 | $(addprefix -P ,$(subst $\",,$(CONFIG_OF_SPL_REMOVE_PROPS))) |