projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| f32c8649 TR |
1 | # |
| 2 | # SPDX-License-Identifier: GPL-2.0 | |
| 3 | # | |
| 22433fc5 MY |
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) | |
| 45f0ad95 | 33 | # o if we encounter foo/ in $(obj-m), remove it from $(obj-m) |
| 22433fc5 MY |
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 | ||
| 45f0ad95 | 52 | # if $(foo-objs) exists, foo.o is a composite object |
| 22433fc5 MY |
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 | |
| 45f0ad95 | 97 | # $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will |
| 22433fc5 MY |
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 | ||
| 026f9cf2 | 107 | orig_c_flags = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \ |
| 22433fc5 MY |
108 | $(ccflags-y) $(CFLAGS_$(basetarget).o) |
| 109 | _c_flags = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags)) | |
| 3834f417 | 110 | orig_a_flags = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \ |
| 22433fc5 | 111 | $(asflags-y) $(AFLAGS_$(basetarget).o) |
| 3834f417 | 112 | _a_flags = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags)) |
| 026f9cf2 | 113 | _cpp_flags = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F)) |
| 22433fc5 MY |
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 | $(CFLAGS_GCOV)) | |
| 124 | endif | |
| 125 | ||
| 98bd0e0d MY |
126 | # |
| 127 | # Enable address sanitizer flags for kernel except some files or directories | |
| 128 | # we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE) | |
| 129 | # | |
| 130 | ifeq ($(CONFIG_KASAN),y) | |
| 131 | _c_flags += $(if $(patsubst n%,, \ | |
| 132 | $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \ | |
| 133 | $(CFLAGS_KASAN)) | |
| 134 | endif | |
| 135 | ||
| 22433fc5 MY |
136 | # If building the kernel in a separate objtree expand all occurrences |
| 137 | # of -Idir to -I$(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 = $(call flags,_cpp_flags) | |
| 152 | endif | |
| 153 | ||
| 6825a95b MY |
154 | # Modified for U-Boot: LINUXINCLUDE -> UBOOTINCLUDE |
| 155 | c_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ | |
| 22433fc5 MY |
156 | $(__c_flags) $(modkern_cflags) \ |
| 157 | -D"KBUILD_STR(s)=\#s" $(basename_flags) $(modname_flags) | |
| 158 | ||
| 6825a95b | 159 | a_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
| 22433fc5 MY |
160 | $(__a_flags) $(modkern_aflags) |
| 161 | ||
| 6825a95b | 162 | cpp_flags = -Wp,-MD,$(depfile) $(NOSTDINC_FLAGS) $(UBOOTINCLUDE) \ |
| 22433fc5 MY |
163 | $(__cpp_flags) |
| 164 | ||
| 165 | ld_flags = $(LDFLAGS) $(ldflags-y) | |
| 166 | ||
| 6d427c6b | 167 | # Try these files in order to find the U-Boot-specific .dtsi include file |
| 511fd0b2 | 168 | u_boot_dtsi_options = $(strip $(wildcard $(dir $<)$(basename $(notdir $<))-u-boot.dtsi) \ |
| 0f7faf03 TR |
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) \ | |
| 511fd0b2 SG |
172 | $(wildcard $(dir $<)u-boot.dtsi)) |
| 173 | ||
| 174 | u_boot_dtsi_options_raw = $(warning Automatic .dtsi inclusion: options: \ | |
| 175 | $(dir $<)$(basename $(notdir $<))-u-boot.dtsi \ | |
| 176 | $(dir $<)$(subst $\",,$(CONFIG_SYS_SOC))-u-boot.dtsi \ | |
| 177 | $(dir $<)$(subst $\",,$(CONFIG_SYS_CPU))-u-boot.dtsi \ | |
| 178 | $(dir $<)$(subst $\",,$(CONFIG_SYS_VENDOR))-u-boot.dtsi \ | |
| 179 | $(dir $<)u-boot.dtsi ... \ | |
| 180 | found: $(if $(u_boot_dtsi_options),"$(u_boot_dtsi_options)",nothing!)) | |
| 6d427c6b SG |
181 | |
| 182 | # Uncomment for debugging | |
| 511fd0b2 SG |
183 | # This shows all the files that were considered and the one that we chose. |
| 184 | # u_boot_dtsi_options_debug = $(u_boot_dtsi_options_raw) | |
| 6d427c6b SG |
185 | |
| 186 | # We use the first match | |
| 511fd0b2 SG |
187 | u_boot_dtsi = $(strip $(u_boot_dtsi_options_debug) \ |
| 188 | $(notdir $(firstword $(u_boot_dtsi_options)))) | |
| 6d427c6b | 189 | |
| 6ab6b2af | 190 | # Modified for U-Boot |
| 22433fc5 | 191 | dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ |
| 6ab6b2af | 192 | -I$(srctree)/arch/$(ARCH)/dts \ |
| 5957ac2a | 193 | -I$(srctree)/arch/$(ARCH)/dts/include \ |
| b116aff2 SG |
194 | -Iinclude \ |
| 195 | -I$(srctree)/include \ | |
| 196 | -I$(srctree)/arch/$(ARCH)/include \ | |
| 197 | -include $(srctree)/include/linux/kconfig.h \ | |
| 198 | -D__ASSEMBLY__ \ | |
| 22433fc5 MY |
199 | -undef -D__DTS__ |
| 200 | ||
| 201 | # Finds the multi-part object the current object will be linked into | |
| 202 | modname-multi = $(sort $(foreach m,$(multi-used),\ | |
| 203 | $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=)))) | |
| 204 | ||
| cb6e7b0d MY |
205 | # Useful for describing the dependency of composite objects |
| 206 | # Usage: | |
| 207 | # $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add) | |
| 208 | define multi_depend | |
| 209 | $(foreach m, $(notdir $1), \ | |
| 210 | $(eval $(obj)/$m: \ | |
| 211 | $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s))))))) | |
| 212 | endef | |
| 213 | ||
| 22433fc5 MY |
214 | ifdef REGENERATE_PARSERS |
| 215 | ||
| 216 | # GPERF | |
| 217 | # --------------------------------------------------------------------------- | |
| 218 | quiet_cmd_gperf = GPERF $@ | |
| 219 | cmd_gperf = gperf -t --output-file $@ -a -C -E -g -k 1,3,$$ -p -t $< | |
| 220 | ||
| 221 | .PRECIOUS: $(src)/%.hash.c_shipped | |
| 222 | $(src)/%.hash.c_shipped: $(src)/%.gperf | |
| 223 | $(call cmd,gperf) | |
| 224 | ||
| 225 | # LEX | |
| 226 | # --------------------------------------------------------------------------- | |
| 227 | LEX_PREFIX = $(if $(LEX_PREFIX_${baseprereq}),$(LEX_PREFIX_${baseprereq}),yy) | |
| 228 | ||
| 229 | quiet_cmd_flex = LEX $@ | |
| 230 | cmd_flex = flex -o$@ -L -P $(LEX_PREFIX) $< | |
| 231 | ||
| 232 | .PRECIOUS: $(src)/%.lex.c_shipped | |
| 233 | $(src)/%.lex.c_shipped: $(src)/%.l | |
| 234 | $(call cmd,flex) | |
| 235 | ||
| 236 | # YACC | |
| 237 | # --------------------------------------------------------------------------- | |
| 238 | YACC_PREFIX = $(if $(YACC_PREFIX_${baseprereq}),$(YACC_PREFIX_${baseprereq}),yy) | |
| 239 | ||
| 240 | quiet_cmd_bison = YACC $@ | |
| 241 | cmd_bison = bison -o$@ -t -l -p $(YACC_PREFIX) $< | |
| 242 | ||
| 243 | .PRECIOUS: $(src)/%.tab.c_shipped | |
| 244 | $(src)/%.tab.c_shipped: $(src)/%.y | |
| 245 | $(call cmd,bison) | |
| 246 | ||
| 247 | quiet_cmd_bison_h = YACC $@ | |
| 248 | cmd_bison_h = bison -o/dev/null --defines=$@ -t -l -p $(YACC_PREFIX) $< | |
| 249 | ||
| 250 | .PRECIOUS: $(src)/%.tab.h_shipped | |
| 251 | $(src)/%.tab.h_shipped: $(src)/%.y | |
| 252 | $(call cmd,bison_h) | |
| 253 | ||
| 254 | endif | |
| 255 | ||
| 256 | # Shipped files | |
| 257 | # =========================================================================== | |
| 258 | ||
| 259 | quiet_cmd_shipped = SHIPPED $@ | |
| 260 | cmd_shipped = cat $< > $@ | |
| 261 | ||
| 262 | $(obj)/%: $(src)/%_shipped | |
| 263 | $(call cmd,shipped) | |
| 264 | ||
| 265 | # Commands useful for building a boot image | |
| 266 | # =========================================================================== | |
| 45f0ad95 | 267 | # |
| 22433fc5 MY |
268 | # Use as following: |
| 269 | # | |
| 270 | # target: source(s) FORCE | |
| 271 | # $(if_changed,ld/objcopy/gzip) | |
| 272 | # | |
| 273 | # and add target to extra-y so that we know we have to | |
| 274 | # read in the saved command line | |
| 275 | ||
| 276 | # Linking | |
| 277 | # --------------------------------------------------------------------------- | |
| 278 | ||
| 279 | quiet_cmd_ld = LD $@ | |
| 280 | cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \ | |
| 45f0ad95 | 281 | $(filter-out FORCE,$^) -o $@ |
| 22433fc5 MY |
282 | |
| 283 | # Objcopy | |
| 284 | # --------------------------------------------------------------------------- | |
| 285 | ||
| 286 | quiet_cmd_objcopy = OBJCOPY $@ | |
| 287 | cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ | |
| 288 | ||
| 289 | # Gzip | |
| 290 | # --------------------------------------------------------------------------- | |
| 291 | ||
| 292 | quiet_cmd_gzip = GZIP $@ | |
| 293 | cmd_gzip = (cat $(filter-out FORCE,$^) | gzip -n -f -9 > $@) || \ | |
| 294 | (rm -f $@ ; false) | |
| 295 | ||
| 296 | # DTC | |
| 297 | # --------------------------------------------------------------------------- | |
| 298 | ||
| 299 | # Generate an assembly file to wrap the output of the device tree compiler | |
| 300 | quiet_cmd_dt_S_dtb= DTB $@ | |
| 6ab6b2af | 301 | # Modified for U-Boot |
| 22433fc5 MY |
302 | cmd_dt_S_dtb= \ |
| 303 | ( \ | |
| 22433fc5 | 304 | echo '.section .dtb.init.rodata,"a"'; \ |
| 5c30bf43 | 305 | echo '.balign 16'; \ |
| 716f9085 MR |
306 | echo '.global __dtb_$(subst -,_,$(*F))_begin'; \ |
| 307 | echo '__dtb_$(subst -,_,$(*F))_begin:'; \ | |
| 22433fc5 | 308 | echo '.incbin "$<" '; \ |
| 716f9085 MR |
309 | echo '__dtb_$(subst -,_,$(*F))_end:'; \ |
| 310 | echo '.global __dtb_$(subst -,_,$(*F))_end'; \ | |
| 5c30bf43 | 311 | echo '.balign 16'; \ |
| 22433fc5 MY |
312 | ) > $@ |
| 313 | ||
| 314 | $(obj)/%.dtb.S: $(obj)/%.dtb | |
| 315 | $(call cmd,dt_S_dtb) | |
| 316 | ||
| 317 | quiet_cmd_dtc = DTC $@ | |
| 6ab6b2af | 318 | # Modified for U-Boot |
| 7452946e | 319 | # Bring in any U-Boot-specific include at the end of the file |
| 98bd0e0d | 320 | cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \ |
| ecc9709f MY |
321 | (cat $<; $(if $(u_boot_dtsi),echo '\#include "$(u_boot_dtsi)"')) > $(pre-tmp); \ |
| 322 | $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $(pre-tmp) ; \ | |
| c4aaf2e0 | 323 | $(DTC) -O dtb -o $@ -b 0 \ |
| 22433fc5 MY |
324 | -i $(dir $<) $(DTC_FLAGS) \ |
| 325 | -d $(depfile).dtc.tmp $(dtc-tmp) ; \ | |
| 326 | cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) | |
| 327 | ||
| 328 | $(obj)/%.dtb: $(src)/%.dts FORCE | |
| 329 | $(call if_changed_dep,dtc) | |
| 330 | ||
| ecc9709f | 331 | pre-tmp = $(subst $(comma),_,$(dot-target).pre.tmp) |
| 22433fc5 MY |
332 | dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) |
| 333 | ||
| da0b3a94 PA |
334 | # DTCO |
| 335 | # --------------------------------------------------------------------------- | |
| 336 | ||
| 337 | quiet_cmd_dtco = DTCO $@ | |
| 338 | # Rule for objects only; does not put specific u-boot include at the end | |
| 339 | # No generation of assembly file either | |
| 340 | # Modified for U-Boot | |
| 341 | cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \ | |
| 342 | $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) - ; \ | |
| 343 | $(DTC) -@ -O dtb -o $@ -b 0 \ | |
| 344 | -i $(dir $<) $(DTC_FLAGS) \ | |
| 345 | -d $(depfile).dtc.tmp $(dtc-tmp) ; \ | |
| 346 | cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) | |
| 347 | ||
| 348 | $(obj)/%.dtbo: $(src)/%.dts FORCE | |
| 349 | $(call if_changed_dep,dtco) | |
| 350 | ||
| 30a1dcad SG |
351 | # Fonts |
| 352 | # --------------------------------------------------------------------------- | |
| 353 | ||
| 354 | # Generate an assembly file to wrap the font data | |
| 355 | quiet_cmd_S_ttf= TTF $@ | |
| 356 | # Modified for U-Boot | |
| 357 | cmd_S_ttf= \ | |
| 358 | ( \ | |
| 359 | echo '.section .rodata.ttf.init,"a"'; \ | |
| 360 | echo '.balign 16'; \ | |
| 361 | echo '.global __ttf_$(*F)_begin'; \ | |
| 362 | echo '__ttf_$(*F)_begin:'; \ | |
| 363 | echo '.incbin "$<" '; \ | |
| 364 | echo '__ttf_$(*F)_end:'; \ | |
| 365 | echo '.global __ttf_$(*F)_end'; \ | |
| 366 | echo '.balign 16'; \ | |
| 367 | ) > $@ | |
| 368 | ||
| 369 | $(obj)/%.S: $(src)/%.ttf | |
| 370 | $(call cmd,S_ttf) | |
| 371 | ||
| b0763108 HS |
372 | # EFI applications |
| 373 | # A Makefile target *.efi is built as EFI application. | |
| 374 | # A Makefile target *_efi.S wraps *.efi as built-in EFI application. | |
| c7ae3dfd SG |
375 | # --------------------------------------------------------------------------- |
| 376 | ||
| 377 | # Generate an assembly file to wrap the EFI app | |
| b0763108 HS |
378 | cmd_S_efi= \ |
| 379 | ( \ | |
| 380 | echo '.section .rodata.$*.init,"a"'; \ | |
| 381 | echo '.balign 16'; \ | |
| 382 | echo '.global __efi_$*_begin'; \ | |
| 383 | echo '__efi_$*_begin:'; \ | |
| 384 | echo '.incbin "$<" '; \ | |
| 385 | echo '__efi_$*_end:'; \ | |
| 386 | echo '.global __efi_$*_end'; \ | |
| 387 | echo '.balign 16'; \ | |
| c7ae3dfd SG |
388 | ) > $@ |
| 389 | ||
| 390 | $(obj)/%_efi.S: $(obj)/%.efi | |
| 391 | $(call cmd,S_efi) | |
| 392 | ||
| f19f1315 AD |
393 | quiet_cmd_efi_objcopy = OBJCOPY $@ |
| 394 | cmd_efi_objcopy = $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j \ | |
| 395 | .dynamic -j .dynsym -j .rel* -j .rela* -j .reloc \ | |
| c7ae3dfd SG |
396 | $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@ |
| 397 | ||
| b0763108 | 398 | $(obj)/%.efi: $(obj)/%_efi.so |
| f19f1315 AD |
399 | $(call cmd,efi_objcopy) |
| 400 | ||
| 401 | quiet_cmd_efi_ld = LD $@ | |
| 402 | cmd_efi_ld = $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared \ | |
| 403 | -Bsymbolic $^ -o $@ | |
| 404 | ||
| c7ae3dfd SG |
405 | EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS) |
| 406 | ||
| b0763108 | 407 | $(obj)/%_efi.so: $(obj)/%.o arch/$(ARCH)/lib/$(EFI_CRT0) \ |
| c7ae3dfd | 408 | arch/$(ARCH)/lib/$(EFI_RELOC) |
| f19f1315 | 409 | $(call cmd,efi_ld) |
| c7ae3dfd | 410 | |
| 867bcb63 SS |
411 | # ACPI |
| 412 | # --------------------------------------------------------------------------- | |
| 68af8d88 | 413 | quiet_cmd_acpi_c_asl= ASL $< |
| 867bcb63 | 414 | cmd_acpi_c_asl= \ |
| 6683584c | 415 | $(CPP) -x assembler-with-cpp -D__ASSEMBLY__ -P $(UBOOTINCLUDE) -o $<.tmp $<; \ |
| 06054b1a | 416 | iasl -p $< -tc $<.tmp $(if $(KBUILD_VERBOSE:1=), >/dev/null) && \ |
| 867bcb63 SS |
417 | mv $(patsubst %.asl,%.hex,$<) $@ |
| 418 | ||
| 3a2a3d0b | 419 | $(obj)/dsdt.c: $(src)/dsdt.asl |
| 867bcb63 SS |
420 | $(call cmd,acpi_c_asl) |
| 421 | ||
| 22433fc5 MY |
422 | # Bzip2 |
| 423 | # --------------------------------------------------------------------------- | |
| 424 | ||
| 425 | # Bzip2 and LZMA do not include size in file... so we have to fake that; | |
| 426 | # append the size as a 32-bit littleendian number as gzip does. | |
| 427 | size_append = printf $(shell \ | |
| 428 | dec_size=0; \ | |
| 429 | for F in $1; do \ | |
| 430 | fsize=$$(stat -c "%s" $$F); \ | |
| 431 | dec_size=$$(expr $$dec_size + $$fsize); \ | |
| 432 | done; \ | |
| 433 | printf "%08x\n" $$dec_size | \ | |
| 434 | sed 's/\(..\)/\1 /g' | { \ | |
| 435 | read ch0 ch1 ch2 ch3; \ | |
| 436 | for ch in $$ch3 $$ch2 $$ch1 $$ch0; do \ | |
| 437 | printf '%s%03o' '\\' $$((0x$$ch)); \ | |
| 438 | done; \ | |
| 439 | } \ | |
| 440 | ) | |
| 441 | ||
| 442 | quiet_cmd_bzip2 = BZIP2 $@ | |
| 443 | cmd_bzip2 = (cat $(filter-out FORCE,$^) | \ | |
| 444 | bzip2 -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 445 | (rm -f $@ ; false) | |
| 446 | ||
| 447 | # Lzma | |
| 448 | # --------------------------------------------------------------------------- | |
| 449 | ||
| 450 | quiet_cmd_lzma = LZMA $@ | |
| 451 | cmd_lzma = (cat $(filter-out FORCE,$^) | \ | |
| 452 | lzma -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 453 | (rm -f $@ ; false) | |
| 454 | ||
| 455 | quiet_cmd_lzo = LZO $@ | |
| 456 | cmd_lzo = (cat $(filter-out FORCE,$^) | \ | |
| 457 | lzop -9 && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 458 | (rm -f $@ ; false) | |
| 459 | ||
| 460 | quiet_cmd_lz4 = LZ4 $@ | |
| 461 | cmd_lz4 = (cat $(filter-out FORCE,$^) | \ | |
| 462 | lz4c -l -c1 stdin stdout && $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 463 | (rm -f $@ ; false) | |
| 464 | ||
| 465 | # U-Boot mkimage | |
| 466 | # --------------------------------------------------------------------------- | |
| 467 | ||
| 468 | MKIMAGE := $(srctree)/scripts/mkuboot.sh | |
| 469 | ||
| 470 | # SRCARCH just happens to match slightly more than ARCH (on sparc), so reduces | |
| 471 | # the number of overrides in arch makefiles | |
| 472 | UIMAGE_ARCH ?= $(SRCARCH) | |
| 473 | UIMAGE_COMPRESSION ?= $(if $(2),$(2),none) | |
| 474 | UIMAGE_OPTS-y ?= | |
| 475 | UIMAGE_TYPE ?= kernel | |
| 476 | UIMAGE_LOADADDR ?= arch_must_set_this | |
| 477 | UIMAGE_ENTRYADDR ?= $(UIMAGE_LOADADDR) | |
| 478 | UIMAGE_NAME ?= 'Linux-$(KERNELRELEASE)' | |
| 479 | UIMAGE_IN ?= $< | |
| 480 | UIMAGE_OUT ?= $@ | |
| 481 | ||
| 482 | quiet_cmd_uimage = UIMAGE $(UIMAGE_OUT) | |
| 483 | cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(UIMAGE_ARCH) -O linux \ | |
| 484 | -C $(UIMAGE_COMPRESSION) $(UIMAGE_OPTS-y) \ | |
| 485 | -T $(UIMAGE_TYPE) \ | |
| 486 | -a $(UIMAGE_LOADADDR) -e $(UIMAGE_ENTRYADDR) \ | |
| 487 | -n $(UIMAGE_NAME) -d $(UIMAGE_IN) $(UIMAGE_OUT) | |
| 488 | ||
| 489 | # XZ | |
| 490 | # --------------------------------------------------------------------------- | |
| 491 | # Use xzkern to compress the kernel image and xzmisc to compress other things. | |
| 492 | # | |
| 493 | # xzkern uses a big LZMA2 dictionary since it doesn't increase memory usage | |
| 494 | # of the kernel decompressor. A BCJ filter is used if it is available for | |
| 495 | # the target architecture. xzkern also appends uncompressed size of the data | |
| 496 | # using size_append. The .xz format has the size information available at | |
| 497 | # the end of the file too, but it's in more complex format and it's good to | |
| 498 | # avoid changing the part of the boot code that reads the uncompressed size. | |
| 499 | # Note that the bytes added by size_append will make the xz tool think that | |
| 500 | # the file is corrupt. This is expected. | |
| 501 | # | |
| 502 | # xzmisc doesn't use size_append, so it can be used to create normal .xz | |
| 503 | # files. xzmisc uses smaller LZMA2 dictionary than xzkern, because a very | |
| 504 | # big dictionary would increase the memory usage too much in the multi-call | |
| 505 | # decompression mode. A BCJ filter isn't used either. | |
| 506 | quiet_cmd_xzkern = XZKERN $@ | |
| 507 | cmd_xzkern = (cat $(filter-out FORCE,$^) | \ | |
| 508 | sh $(srctree)/scripts/xz_wrap.sh && \ | |
| 509 | $(call size_append, $(filter-out FORCE,$^))) > $@ || \ | |
| 510 | (rm -f $@ ; false) | |
| 511 | ||
| 512 | quiet_cmd_xzmisc = XZMISC $@ | |
| 513 | cmd_xzmisc = (cat $(filter-out FORCE,$^) | \ | |
| 514 | xz --check=crc32 --lzma2=dict=1MiB) > $@ || \ | |
| 515 | (rm -f $@ ; false) | |
| ba8dd775 MY |
516 | |
| 517 | # Additional commands for U-Boot | |
| 518 | # | |
| 519 | # mkimage | |
| 520 | # --------------------------------------------------------------------------- | |
| 1f6a6648 | 521 | MKIMAGEOUTPUT ?= /dev/null |
| ba8dd775 MY |
522 | quiet_cmd_mkimage = MKIMAGE $@ |
| 523 | cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ | |
| 1f6a6648 | 524 | $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT)) |