Makefile.mk

   1 # SPDX-License-Identifier: GPL-2.0-only
   2
   3 ifneq ($(NOCOMPILE),1)
   4 GIT:=$(shell git -C "$(top)" rev-parse --git-dir 1>/dev/null 2>&1 \
   5         && command -v git)
   6 else
   7 GIT:=
   8 endif
   9
  10 #######################################################################
  11 # normalize Kconfig variables in a central place
  12 CONFIG_CBFS_PREFIX:=$(call strip_quotes,$(CONFIG_CBFS_PREFIX))
  13 CONFIG_FMDFILE:=$(call strip_quotes,$(CONFIG_FMDFILE))
  14 CONFIG_DEVICETREE:=$(call strip_quotes, $(CONFIG_DEVICETREE))
  15 CONFIG_OVERRIDE_DEVICETREE:=$(call strip_quotes, $(CONFIG_OVERRIDE_DEVICETREE))
  16 CONFIG_CHIPSET_DEVICETREE:=$(call strip_quotes, $(CONFIG_CHIPSET_DEVICETREE))
  17 CONFIG_MEMLAYOUT_LD_FILE:=$(call strip_quotes, $(CONFIG_MEMLAYOUT_LD_FILE))
  18
  19 #######################################################################
  20 # misleadingly named, this is the coreboot version
  21 ifeq ($(KERNELVERSION),)
  22 ifeq ($(BUILD_TIMELESS),1)
  23 KERNELVERSION := -TIMELESS--LESSTIME-
  24 else
  25 KERNELVERSION := $(strip $(if $(GIT),\
  26         $(shell git describe --abbrev=12 --dirty --always || git describe),\
  27         $(if $(wildcard $(top)/.coreboot-version),\
  28                 $(shell cat $(top)/.coreboot-version),\
  29                 coreboot-unknown$(KERNELREVISION))))
  30 endif
  31 endif
  32 COREBOOT_EXPORTS += KERNELVERSION
  33
  34 #######################################################################
  35 # Basic component discovery
  36 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
  37 VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
  38 CARRIER_DIR:=$(call strip_quotes,$(CONFIG_CARRIER_DIR))
  39 COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR CARRIER_DIR
  40
  41 ## Final build results, which CBFSTOOL uses to create the final
  42 ## rom image file, are placed under $(objcbfs).
  43 ## These typically have suffixes .debug .elf .bin and .map
  44 objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
  45 additional-dirs += $(objcbfs)
  46 COREBOOT_EXPORTS += objcbfs
  47
  48 ## Based on the active configuration, Makefile conditionally collects
  49 ## the required assembly includes and saves them in a file.
  50 ## Such files that do not have a clear one-to-one relation to a source
  51 ## file under src/ are placed and built under $(objgenerated)
  52 objgenerated := $(obj)/generated
  53 additional-dirs += $(objgenerated)
  54 COREBOOT_EXPORTS += objgenerated
  55
  56 ## CCACHE_EXTRAFILES can be set by individual rules to help CCACHE
  57 ## discover dependencies it might not notice on its own (e.g. asm (".incbin")).
  58 COREBOOT_EXPORTS += CCACHE_EXTRAFILES
  59
  60 #######################################################################
  61 # root rule to resolve if in build mode (ie. configuration exists)
  62 real-target: $(obj)/config.h coreboot files_added show_coreboot show_notices
  63 coreboot: $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool $(obj)/cse_fpt $(obj)/cse_serger
  64
  65 # This target can be used to run scripts or additional targets
  66 # after the build completes by creating a target named 'build_complete::'
  67 .PHONY: build_complete
  68 build_complete:: | coreboot
  69
  70 # This target can be used to run rules after all files were added to CBFS,
  71 # for example to process FMAP regions or the entire image.
  72 .PHONY: files_added
  73 files_added:: | build_complete
  74
  75 # This target should come just before the show_notices target.  If there
  76 # are no notices, the build should finish with the text of what was just
  77 # built.
  78 .PHONY: show_coreboot
  79 show_coreboot: | files_added
  80         $(CBFSTOOL) $(obj)/coreboot.rom print -r $(subst $(spc),$(comma),$(all-regions))
  81         printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) $(CONFIG_MAINBOARD_PART_NUMBER)
  82         if [ -f "$(CCACHE_STATSLOG)" ]; then \
  83                 printf "\nccache statistics\n"; \
  84                 $(CCACHE) --show-log-stats -v; \
  85         fi
  86
  87 # This is intended to run at the *very end* of the build to show warnings
  88 # notices and the like.  If another target needs to be added, add it
  89 # BEFORE this target.
  90 .PHONY: show_notices
  91 show_notices:: | show_coreboot
  92
  93 # This rule allows the site-local makefile to run before starting the actual
  94 # coreboot build. It should not be used in the regular coreboot makefiles.
  95 # Note: This gets run after the immediate makefile code like updating the
  96 # submodules, but before any other targets.
  97 .PHONY: site-local-target
  98 site-local-target::
  99
 100 #######################################################################
 101 # our phony targets
 102 PHONY+= clean-abuild coreboot check-style build_complete
 103
 104 #######################################################################
 105 # root source directories of coreboot
 106 # site-local Makefile.mk must go first to override default locations (for binaries etc.)
 107 subdirs-y := site-local
 108
 109 subdirs-y += src/lib src/commonlib/ src/console src/device src/acpi src/superio/common
 110 subdirs-$(CONFIG_EC_ACPI) += src/ec/intel
 111 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
 112 subdirs-y += $(wildcard src/soc/*) $(wildcard src/soc/*/common) $(filter-out $(wildcard src/soc/*/common),$(wildcard src/soc/*/*))
 113 subdirs-y += $(wildcard src/northbridge/*/*)
 114 subdirs-y += $(filter-out src/superio/common,$(wildcard src/superio/*)) $(wildcard src/superio/*/*)
 115 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*)
 116 subdirs-y += src/cpu src/vendorcode
 117 subdirs-y += util/cbfstool util/sconfig util/nvramtool util/pgtblgen util/amdfwtool
 118 subdirs-y += util/futility util/marvell util/bincfg util/supermicro util/qemu
 119 subdirs-y += util/ifdtool
 120 subdirs-y += $(wildcard src/arch/*)
 121 subdirs-y += src/mainboard/$(MAINBOARDDIR)
 122 subdirs-y += src/security
 123 subdirs-y += payloads payloads/external
 124 subdirs-$(CONFIG_SBOM) += src/sbom
 125 subdirs-y += util/checklist util/testing
 126
 127 #######################################################################
 128 # Add source classes and their build options
 129 classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
 130
 131 # Add a special 'all' class to add sources to all stages
 132 $(call add-special-class,all)
 133 all-handler = $(foreach class,bootblock verstage romstage postcar ramstage,$(eval $(class)-y += $(2)))
 134
 135 $(call add-special-class,all_x86)
 136 all_x86-handler = $(foreach class,bootblock verstage_x86 romstage postcar ramstage,$(eval $(class)-y += $(2)))
 137
 138 $(call add-special-class,verstage_x86)
 139 ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
 140 verstage_x86-handler = $(eval verstage-y += $(2))
 141 else
 142 verstage_x86-handler =
 143 endif
 144
 145 # Add dynamic classes for rmodules
 146 $(foreach supported_arch,$(ARCH_SUPPORTED), \
 147             $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
 148 # Provide a macro to determine environment for free standing rmodules.
 149 $(foreach supported_arch,$(ARCH_SUPPORTED), \
 150         $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
 151
 152 #######################################################################
 153 # Helper functions for math, strings, and various file placement matters.
 154 # macros work on all formats understood by printf(1)
 155 # values are space separated if using more than one value
 156 #
 157 # int-add:        adds an arbitrary length list of integers
 158 # int-subtract:   subtracts the second of two integers from the first
 159 # int-multiply:   multiplies an arbitrary length list of integers
 160 # int-divide:     divides the first integer by the second
 161 # int-remainder:  arithmetic remainder of the first number divided by the second
 162 # int-shift-left: Shift $1 left by $2 bits
 163 # int-lt:         1 if the first value is less than the second.  0 otherwise
 164 # int-gt:         1 if the first values is greater than the second.  0 otherwise
 165 # int-eq:         1 if the two values are equal.  0 otherwise
 166 # int-align:      align $1 to $2 units
 167 # file-size:      returns the filesize of the given file
 168 # tolower:        returns the value in all lowercase
 169 # toupper:        returns the value in all uppercase
 170 # ws_to_under:    returns the value with any whitespace changed to underscores
 171 # get_fmap_value  returns the value of a given FMAP field from fmap_config.h
 172 _toint=$(shell printf "%d" $1)
 173 _tohex=$(shell printf 0x"%x" $1)
 174 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
 175 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
 176 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
 177 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
 178 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
 179 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
 180 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
 181 int-shift-left=$(shell echo -n $$(($(call _toint,$(word 1, $1)) << $(call _toint,$(word 2, $1)))))
 182 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
 183 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
 184 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
 185 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
 186 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
 187 file-size=$(strip $(shell wc -c "$1" | cut -f 1 -d ' '))
 188 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
 189 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
 190 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
 191 get_fmap_value=$(shell awk '$$2 == "$1" {print $$3}' $(obj)/fmap_config.h)
 192
 193 #######################################################################
 194 # Helper functions for ramstage postprocess
 195 spc :=
 196 spc := $(spc) $(spc)
 197 comma := ,
 198
 199 # Returns all files and dirs below `dir` (recursively).
 200 # files-below-dir,dir,files
 201 files-below-dir=$(filter $(1)%,$(2))
 202
 203 # Returns all dirs below `dir` (recursively).
 204 # dirs-below-dir,dir,files
 205 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
 206
 207 # Returns all files directly in `dir` (non-recursively).
 208 # files-in-dir,dir,files
 209 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
 210
 211 #######################################################################
 212 # reduce command line length by linking the objects of each
 213 # directory into an intermediate file
 214 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
 215         $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
 216         $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
 217         $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
 218
 219 decompressor-generic-ccopts += -D__DECOMPRESSOR__
 220 bootblock-generic-ccopts += -D__BOOTBLOCK__
 221 romstage-generic-ccopts += -D__ROMSTAGE__
 222 ramstage-generic-ccopts += -D__RAMSTAGE__
 223 ifeq ($(CONFIG_COVERAGE),y)
 224 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
 225 endif
 226 ifneq ($(GIT),)
 227 ifneq ($(UPDATED_SUBMODULES),1)
 228 $(info Updating git submodules.)
 229 # try to fetch non-optional submodules if the source is under git
 230 forgetthis:=$(shell git submodule update --init $(quiet_errors))
 231 # Checkout Cmocka repository
 232 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/cmocka $(quiet_errors))
 233 ifeq ($(CONFIG_USE_BLOBS),y)
 234 # These items are necessary because each has update=none in .gitmodules.  They are ignored
 235 # until expressly requested and enabled with --checkout
 236 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/blobs $(quiet_errors))
 237 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/intel-microcode $(quiet_errors))
 238 ifeq ($(CONFIG_FSP_USE_REPO),y)
 239 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/fsp $(quiet_errors))
 240 endif
 241 ifeq ($(CONFIG_USE_AMD_BLOBS),y)
 242 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/amd_blobs $(quiet_errors))
 243 endif
 244 ifeq ($(CONFIG_USE_QC_BLOBS),y)
 245 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/qc_blobs $(quiet_errors))
 246 endif
 247 endif
 248 UPDATED_SUBMODULES:=1
 249 COREBOOT_EXPORTS += UPDATED_SUBMODULES
 250
 251 endif
 252 endif # GIT != ""
 253
 254 postcar-c-deps:=$$(OPTION_TABLE_H)
 255 ramstage-c-deps:=$$(OPTION_TABLE_H)
 256 romstage-c-deps:=$$(OPTION_TABLE_H)
 257 verstage-c-deps:=$$(OPTION_TABLE_H)
 258 bootblock-c-deps:=$$(OPTION_TABLE_H)
 259 $(foreach type,ads adb, \
 260   $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
 261     $(eval $(stage)-$(type)-deps := \
 262         $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
 263         $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
 264
 265 # Add handler to copy linker scripts
 266 define generic-objs_ld_template_gen
 267 de$(EMPTY)fine $(1)-objs_ld_template
 268 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h $(obj)/fmap_config.h
 269         @printf "    CP         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 270         $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
 271 en$(EMPTY)def
 272 endef
 273
 274 # Add handler to deal with archives
 275 define generic-objs_a_template_gen
 276 de$(EMPTY)fine $(1)-objs_a_template
 277 $$(call src-to-obj,$1,$$(1).a): $$(1).a
 278         @printf "    AR         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 279         $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
 280         mv $$$$@.tmp $$$$@
 281 en$(EMPTY)def
 282 endef
 283
 284 # Add handler to add no rules for manual files
 285 define generic-objs_manual_template_gen
 286 # do nothing
 287 endef
 288
 289 #######################################################################
 290 # Add handler to compile ACPI's ASL
 291 # arg1: base file name
 292 # arg2: y or n for including in cbfs. defaults to y
 293
 294 # Empty resource templates were marked as a warning in IASL with the comment
 295 # "This would appear to be worthless in real-world ASL code.", which is
 296 # possibly true in many cases.  In other cases it seems that an empty
 297 # ResourceTemplate is the correct code.
 298 # As it's valid ASL, disable the warning.
 299 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
 300
 301 IASL_WARNINGS_LIST = $(EMPTY_RESOURCE_TEMPLATE_WARNING)
 302
 303 IGNORED_IASL_WARNINGS = $(addprefix -vw , $(IASL_WARNINGS_LIST))
 304
 305 define asl_template
 306 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
 307 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
 308 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
 309 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
 310 $(CONFIG_CBFS_PREFIX)/$(1).aml-align = 64
 311 endif
 312 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
 313 $(eval DEPENDENCIES += $(obj)/$(1).d)
 314 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
 315         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
 316         $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
 317         cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
 318         echo "    IASL       "$(IASL_WARNINGS_LIST)" warning types were ignored!"
 319         if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then        \
 320                 echo "    IASL       $$@ disassembled correctly.";              \
 321                 true;                                                           \
 322         else                                                                    \
 323                 echo "Error: Could not correctly disassemble $$@";              \
 324                 $(IASL) -d $$@;                                                 \
 325                 false;                                                          \
 326         fi
 327 endef
 328
 329 #######################################################################
 330 # Parse plaintext CMOS defaults into binary format
 331 # arg1: source file
 332 # arg2: binary file name
 333 cbfs-files-processor-nvramtool= \
 334         $(eval $(2): $(1) $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) | $(objutil)/nvramtool/nvramtool ; \
 335                 printf "    CREATE     $(2) (from $(1))\n"; \
 336                 $(objutil)/nvramtool/nvramtool -y $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) -D $(2).tmp -p $(1) && \
 337                 mv $(2).tmp $(2))
 338
 339 #######################################################################
 340 # Reduce a .config file by removing lines about default unset booleans
 341 # arg1: input
 342 # arg2: output
 343 define cbfs-files-processor-config
 344         $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
 345                 +printf "    CREATE     $(2) (from $(1))\n"; \
 346                 printf "# This image was built using coreboot " > $(2).tmp && \
 347                 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
 348                 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
 349                 cat $(2).tmp2 >> $(2).tmp && \
 350                 printf "# End of defconfig. Derivable values start here.\n" >> $(2).tmp && \
 351                 grep "^CONFIG" $(1) | grep -F -v -f $(2).tmp2 >> $(2).tmp && \
 352                 rm -f $(2).tmp2 && \
 353                 mv -f $(2).tmp $(2))
 354 endef
 355
 356 #######################################################################
 357 # Add a file to CBFS with just type and compression values
 358 # arg1: name in CBFS
 359 # arg2: filename and path
 360 # arg3: type in CBFS
 361 # arg4: compression type
 362 define add-cbfs-file-simple
 363         $(eval cbfs-files-y += $(1))
 364         $(eval $(1)-file := $(2))
 365         $(eval $(1)-type := $(3))
 366         $(eval $(1)-compression := $(4))
 367 endef
 368
 369 #######################################################################
 370 # Compile a C file with a bare struct definition into binary
 371 # arg1: C source file
 372 # arg2: binary file
 373 cbfs-files-processor-struct= \
 374         $(eval $(2): $(1) $(obj)/build.h $(obj)/fmap_config.h $(KCONFIG_AUTOHEADER); \
 375                 printf "    CC+STRIP   $(1)\n"; \
 376                 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) --param asan-globals=0 $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
 377                 $(OBJCOPY_ramstage) -O binary --only-section='.*data*' --only-section='.*bss*' \
 378                 --set-section-flags .*bss*=alloc,contents,load $(2).tmp $(2); \
 379                 rm -f $(2).tmp) \
 380         $(eval DEPENDENCIES += $(2).d)
 381
 382 #######################################################################
 383 # Convert image to YCC 4:2:0 JPEG
 384 #
 385 # In two steps:
 386 # 1. Convert to RGB colors, optionally resize and store as BMP.
 387 # 2. Round final size to multiples of 16, optionally swap colors,
 388 #    convert (back) to sRGB and store as JPEG.
 389 # The split is necessary because we don't know the exact, scaled
 390 # size due to aspect-ratio. Note: IM v7 would allow us to do the
 391 # calculations in one command using %[fx:...] syntax.
 392 #
 393 # arg1: image input file
 394 # arg2: output jpg
 395 cbfs-files-processor-jpg420= \
 396         $(eval $(2): $(1) $(KCONFIG_AUTOCONFIG);                                \
 397                 printf "    CONVERT    $$<\n";                                  \
 398                 res=$(CONFIG_BOOTSPLASH_CONVERT_RESOLUTION);                    \
 399                 res=$$$$(convert $$<                                            \
 400                         -colorspace RGB                                         \
 401                         $$(BOOTSPLASH_RESIZE-y)                                 \
 402                         -format '%wx%h' -write info:                            \
 403                         bmp:$$@);                                               \
 404                 convert $$@                                                     \
 405                         $$(BOOTSPLASH_ROUND16)                                  \
 406                         $$(BOOTSPLASH_COLORSWAP-y)                              \
 407                         -colorspace sRGB                                        \
 408                         -quality $$(CONFIG_BOOTSPLASH_CONVERT_QUALITY)%         \
 409                         -interlace none -colorspace YCC -sampling-factor 4:2:0  \
 410                         jpg:$$@)
 411 BOOTSPLASH_FLOOR = $$(($${res%%x*} & ~15))x$$(($${res\#\#*x} & ~15))
 412 BOOTSPLASH_RESIZE-$(CONFIG_BOOTSPLASH_CONVERT_RESIZE) = -resize $(BOOTSPLASH_FLOOR)
 413 BOOTSPLASH_CEIL = $$((($${res%%x*} + 15) & ~15))x$$((($${res\#\#*x} + 15) & ~15))
 414 BOOTSPLASH_ROUND16 = -background black -gravity center -extent $(BOOTSPLASH_CEIL)
 415 BOOTSPLASH_COLORSWAP-$(CONFIG_BOOTSPLASH_CONVERT_COLORSWAP) := -channel-fx 'red<=>blue'
 416
 417 #######################################################################
 418 # Add handler for arbitrary files in CBFS
 419 $(call add-special-class,cbfs-files)
 420 cbfs-files-handler= \
 421                 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
 422                 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
 423                 $(eval tmp-cbfs-file:= ) \
 424                 $(if $($(2)-file), \
 425                         $(if $(wildcard $(1)$($(2)-file)), \
 426                                 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
 427                                 $(eval tmp-cbfs-file:= $($(2)-file)))) \
 428                 $(if $(strip $($(2)-required)), \
 429                         $(if $(wildcard $(tmp-cbfs-file)),, \
 430                                 $(info This build configuration requires $($(2)-required)) \
 431                                 $(eval FAILBUILD:=1) \
 432                         )) \
 433                 $(if $(strip $($(2)-align)), \
 434                         $(if $(strip $($(2)-position)), \
 435                                 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
 436                                 $(eval FAILBUILD:=1) \
 437                         )) \
 438                 $(if $(tmp-cbfs-method), \
 439                         $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
 440                         $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
 441                         $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
 442                 $(if $(tmp-cbfs-file), \
 443                         $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
 444                 $(eval $(2)-name:=) \
 445                 $(eval $(2)-type:=) \
 446                 $(eval $(2)-compression:=) \
 447                 $(eval $(2)-position:=) \
 448                 $(eval $(2)-required:=) \
 449                 $(eval $(2)-options:=) \
 450                 $(eval $(2)-align:=)
 451
 452 #######################################################################
 453 # a variety of flags for our build
 454 CBFS_COMPRESS_FLAG:=none
 455 ifeq ($(CONFIG_COMPRESS_RAMSTAGE_LZMA),y)
 456 CBFS_COMPRESS_FLAG:=LZMA
 457 endif
 458 ifeq ($(CONFIG_COMPRESS_RAMSTAGE_LZ4),y)
 459 CBFS_COMPRESS_FLAG:=LZ4
 460 endif
 461
 462 CBFS_PAYLOAD_COMPRESS_FLAG:=none
 463 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 464 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
 465 endif
 466 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
 467 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
 468 endif
 469
 470 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
 471 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
 472 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
 473 endif
 474
 475 CBFS_PRERAM_COMPRESS_FLAG:=none
 476 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
 477 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
 478 endif
 479
 480 ifneq ($(CONFIG_LOCALVERSION),"")
 481 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 482 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
 483 endif
 484
 485 CPPFLAGS_common := -Isrc
 486 CPPFLAGS_common += -Isrc/include
 487 CPPFLAGS_common += -Isrc/commonlib/include
 488 CPPFLAGS_common += -Isrc/commonlib/bsd/include
 489 CPPFLAGS_common += -I$(obj)
 490 VBOOT_SOURCE ?= 3rdparty/vboot
 491 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
 492 CPPFLAGS_common += -include $(src)/include/kconfig.h
 493 CPPFLAGS_common += -include $(src)/include/rules.h
 494 CPPFLAGS_common += -include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h
 495 CPPFLAGS_common += -I3rdparty
 496 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
 497 CPPFLAGS_common += -D__COREBOOT__
 498
 499 ifeq ($(BUILD_TIMELESS),1)
 500 CPPFLAGS_common += -D__TIMELESS__
 501 endif
 502
 503 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
 504 CPPFLAGS_ramstage += -Isrc/device/oprom/include
 505 endif
 506
 507 CFLAGS_common += -pipe
 508 CFLAGS_common += -g
 509 CFLAGS_common += -nostdinc
 510 CFLAGS_common += -std=gnu11
 511 CFLAGS_common += -nostdlib
 512 CFLAGS_common += -Wall
 513 CFLAGS_common += -Wundef
 514 CFLAGS_common += -Wstrict-prototypes
 515 CFLAGS_common += -Wmissing-prototypes
 516 CFLAGS_common += -Wwrite-strings
 517 CFLAGS_common += -Wredundant-decls
 518 CFLAGS_common += -Wno-trigraphs
 519 CFLAGS_common += -Wimplicit-fallthrough
 520 CFLAGS_common += -Wshadow
 521 CFLAGS_common += -Wdate-time
 522 CFLAGS_common += -Wtype-limits
 523 CFLAGS_common += -Wvla
 524 CFLAGS_common += -Wold-style-definition
 525 CFLAGS_common += -Wdangling-else
 526 CFLAGS_common += -Wmissing-include-dirs
 527 CFLAGS_common += -fno-common
 528 CFLAGS_common += -ffreestanding
 529 CFLAGS_common += -fno-builtin
 530 CFLAGS_common += -fomit-frame-pointer
 531 CFLAGS_common += -fstrict-aliasing
 532 CFLAGS_common += -ffunction-sections
 533 CFLAGS_common += -fdata-sections
 534 CFLAGS_common += -fno-pie
 535 CFLAGS_common += -Wstring-compare
 536 ifeq ($(CONFIG_COMPILER_GCC),y)
 537 CFLAGS_common += -Wold-style-declaration
 538 CFLAGS_common += -Wcast-function-type
 539 # Don't add these GCC specific flags when running scan-build
 540 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
 541 CFLAGS_common += -Wno-packed-not-aligned
 542 CFLAGS_common += -fconserve-stack
 543 CFLAGS_common += -Wnull-dereference
 544 CFLAGS_common += -Wlogical-op
 545 CFLAGS_common += -Wduplicated-cond
 546 CFLAGS_common += -Wno-array-compare
 547 endif
 548 endif
 549
 550 ADAFLAGS_common += -gnatp
 551 ADAFLAGS_common += -Wuninitialized
 552 ADAFLAGS_common += -Wall
 553 ADAFLAGS_common += -Werror
 554 ADAFLAGS_common += -pipe
 555 ADAFLAGS_common += -g
 556 ADAFLAGS_common += -nostdinc
 557 ADAFLAGS_common += -Wstrict-aliasing
 558 ADAFLAGS_common += -Wshadow
 559 ADAFLAGS_common += -fno-common
 560 ADAFLAGS_common += -fomit-frame-pointer
 561 ADAFLAGS_common += -ffunction-sections
 562 ADAFLAGS_common += -fdata-sections
 563 ADAFLAGS_common += -fno-pie
 564 # Ada warning options:
 565 #
 566 #  a   Activate most optional warnings.
 567 # .e   Activate every optional warnings.
 568 #  e   Treat warnings and style checks as errors.
 569 #
 570 #  D   Suppress warnings on implicit dereferences:
 571 #      As SPARK does not accept access types we have to map the
 572 #      dynamically chosen register locations to a static SPARK
 573 #      variable.
 574 #
 575 # .H   Suppress warnings on holes/gaps in records:
 576 #      We are modelling hardware here!
 577 #
 578 #  H   Suppress warnings on hiding:
 579 #      It's too annoying, you run out of ideas for identifiers fast.
 580 #
 581 #  T   Suppress warnings for tracking of deleted conditional code:
 582 #      We use static options to select code paths at compile time.
 583 #
 584 #  U   Suppress warnings on unused entities:
 585 #      Would have lots of warnings for unused register definitions,
 586 #      `withs` for debugging etc.
 587 #
 588 # .U   Deactivate warnings on unordered enumeration types:
 589 #      As SPARK doesn't support `pragma Ordered` by now, we don't
 590 #      use that, yet.
 591 #
 592 # .W   Suppress warnings on unnecessary Warnings Off pragmas:
 593 #      Things get really messy when you use different compiler
 594 #      versions, otherwise.
 595 # .Y   Disable information messages for why package spec needs body:
 596 #      Those messages are annoying. But don't forget to enable those,
 597 #      if you need the information.
 598 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
 599 # Disable style checks for now
 600 ADAFLAGS_common += -gnatyN
 601
 602 LDFLAGS_common := --gc-sections
 603 LDFLAGS_common += -nostdlib
 604 LDFLAGS_common += --nmagic
 605 LDFLAGS_common += -static
 606 LDFLAGS_common += -z noexecstack
 607
 608 # Workaround for RISC-V linker bug, merge back into above line when fixed.
 609 # https://sourceware.org/bugzilla/show_bug.cgi?id=27180
 610 ifneq ($(CONFIG_ARCH_RISCV),y)
 611 LDFLAGS_common += --emit-relocs
 612 endif
 613
 614 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 615 CFLAGS_common += -Werror
 616 endif
 617 ifneq ($(GDB_DEBUG),)
 618 CFLAGS_common += -Og
 619 ADAFLAGS_common += -Og
 620 else
 621 CFLAGS_common += -Os
 622 ADAFLAGS_common += -Os
 623 endif
 624
 625 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
 626 ADAFLAGS_common += -gnata
 627 endif
 628
 629 additional-dirs += $(objutil)/cbfstool $(objutil)/ifdtool \
 630                    $(objutil)/options $(objutil)/amdfwtool \
 631                    $(objutil)/cbootimage
 632
 633 export $(COREBOOT_EXPORTS)
 634
 635 #######################################################################
 636 # generate build support files
 637
 638 build_h := $(obj)/build.h
 639
 640 # We have to manually export variables that `genbuild_h.sh` uses
 641 # when we call it through the `$(shell)` function. This is fragile
 642 # but as variables newly added to `genbuild_h.sh` would just not
 643 # work, we'd notice that instantly at least.
 644 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
 645
 646 # Report new `build.ht` as dependency if `build.h` differs.
 647 build_h_check := \
 648         export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
 649         util/genbuild_h/genbuild_h.sh $(xcompile) \
 650                 >$(build_h)t 2>/dev/null; \
 651         cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
 652
 653 $(build_h): $$(shell $$(build_h_check))
 654         @printf "    GEN        build.h\n"
 655         mv $< $@
 656
 657 $(obj)/build_info:
 658         @echo 'COREBOOT_VERSION: $(call strip_quotes,$(KERNELVERSION))' > $@.tmp
 659         @echo 'MAINBOARD_VENDOR: $(call strip_quotes,$(CONFIG_MAINBOARD_VENDOR))' >> $@.tmp
 660         @echo 'MAINBOARD_PART_NUMBER: $(call strip_quotes,$(CONFIG_MAINBOARD_PART_NUMBER))' >> $@.tmp
 661         mv $@.tmp $@
 662
 663 #######################################################################
 664 # Build the tools
 665 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
 666 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
 667 RMODTOOL:=$(objutil)/cbfstool/rmodtool
 668 IFWITOOL:=$(objutil)/cbfstool/ifwitool
 669 IFITTOOL:=$(objutil)/cbfstool/ifittool
 670 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
 671 CSE_FPT:=$(objutil)/cbfstool/cse_fpt
 672 CSE_SERGER:=$(objutil)/cbfstool/cse_serger
 673
 674 $(obj)/cbfstool: $(CBFSTOOL)
 675         cp $< $@
 676
 677 $(obj)/fmaptool: $(FMAPTOOL)
 678         cp $< $@
 679
 680 $(obj)/rmodtool: $(RMODTOOL)
 681         cp $< $@
 682
 683 $(obj)/ifwitool: $(IFWITOOL)
 684         cp $< $@
 685
 686 $(obj)/ifittool: $(IFITTOOL)
 687         cp $< $@
 688
 689 $(obj)/amdcompress: $(AMDCOMPRESS)
 690         cp $< $@
 691
 692 $(obj)/cse_fpt: $(CSE_FPT)
 693         cp $< $@
 694
 695 $(obj)/cse_serger: $(CSE_SERGER)
 696         cp $< $@
 697
 698 _WINCHECK=$(shell uname -o 2> /dev/null)
 699 STACK=
 700 ifeq ($(_WINCHECK),Msys)
 701         STACK=-Wl,--stack,16384000
 702 endif
 703 ifeq ($(_WINCHECK),Cygwin)
 704         STACK=-Wl,--stack,16384000
 705 endif
 706
 707 BINCFG:=$(objutil)/bincfg/bincfg
 708
 709 IFDTOOL:=$(objutil)/ifdtool/ifdtool
 710
 711 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
 712 AMDFWREAD:=$(objutil)/amdfwtool/amdfwread
 713
 714 APCB_EDIT_TOOL:=$(top)/util/apcb/apcb_edit.py
 715
 716 APCB_V3_EDIT_TOOL:=$(top)/util/apcb/apcb_v3_edit.py
 717
 718 APCB_V3A_EDIT_TOOL:=$(top)/util/apcb/apcb_v3a_edit.py
 719
 720 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
 721
 722 FUTILITY?=$(objutil)/futility/futility
 723
 724 subdirs-y += util/nvidia
 725
 726 $(obj)/config.h: $(objutil)/kconfig/conf
 727
 728 #######################################################################
 729 # needed objects that every mainboard uses
 730 # Creation of these is architecture and mainboard independent
 731 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
 732
 733 SCONFIG_OPTIONS := --mainboard_devtree=$(DEVICETREE_FILE)
 734
 735 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
 736 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
 737 SCONFIG_OPTIONS += --override_devtree=$(OVERRIDE_DEVICETREE_FILE)
 738 endif
 739
 740 ifneq ($(CONFIG_CHIPSET_DEVICETREE),)
 741 CHIPSET_DEVICETREE_FILE := $(src)/$(CONFIG_CHIPSET_DEVICETREE)
 742 SCONFIG_OPTIONS += --chipset_devtree=$(CHIPSET_DEVICETREE_FILE)
 743 endif
 744
 745 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
 746 SCONFIG_OPTIONS += --output_c=$(DEVICETREE_STATIC_C)
 747
 748 DEVICETREE_STATIC_H := $(obj)/static.h
 749 SCONFIG_OPTIONS += --output_h=$(DEVICETREE_STATIC_H)
 750
 751 DEVICETREE_DEVICENAMES_H := $(obj)/static_devices.h
 752 SCONFIG_OPTIONS += --output_d=$(DEVICETREE_DEVICENAMES_H)
 753
 754 DEVICETREE_FWCONFIG_H := $(obj)/static_fw_config.h
 755 SCONFIG_OPTIONS += --output_f=$(DEVICETREE_FWCONFIG_H)
 756
 757 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(CHIPSET_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
 758         @printf "    SCONFIG    $(subst $(src)/,,$(<))\n"
 759         mkdir -p $(dir $(DEVICETREE_STATIC_C))
 760         $(objutil)/sconfig/sconfig $(SCONFIG_OPTIONS)
 761
 762 ramstage-y+=$(DEVICETREE_STATIC_C)
 763 romstage-y+=$(DEVICETREE_STATIC_C)
 764 verstage-y+=$(DEVICETREE_STATIC_C)
 765 bootblock-y+=$(DEVICETREE_STATIC_C)
 766 postcar-y+=$(DEVICETREE_STATIC_C)
 767 smm-y+=$(DEVICETREE_STATIC_C)
 768
 769 # Ensure static.c and static.h are created before any objects are compiled
 770 ramstage-c-deps+=$(DEVICETREE_STATIC_C)
 771 romstage-c-deps+=$(DEVICETREE_STATIC_C)
 772 verstage-c-deps+=$(DEVICETREE_STATIC_C)
 773 bootblock-c-deps+=$(DEVICETREE_STATIC_C)
 774 postcar-c-deps+=$(DEVICETREE_STATIC_C)
 775 smm-c-deps+=$(DEVICETREE_STATIC_C)
 776
 777 # Ensure fmap_config.h are created before any objects are compiled
 778 ramstage-c-deps+=$(obj)/fmap_config.h
 779 romstage-c-deps+=$(obj)/fmap_config.h
 780 verstage-c-deps+=$(obj)/fmap_config.h
 781 bootblock-c-deps+=$(obj)/fmap_config.h
 782 postcar-c-deps+=$(obj)/fmap_config.h
 783 smm-c-deps+=$(obj)/fmap_config.h
 784
 785 .PHONY: devicetree
 786 devicetree: $(DEVICETREE_STATIC_C)
 787
 788 ramstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
 789 romstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
 790 bootblock-y += $(CONFIG_MEMLAYOUT_LD_FILE)
 791 verstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
 792 postcar-y += $(CONFIG_MEMLAYOUT_LD_FILE)
 793 decompressor-y += $(CONFIG_MEMLAYOUT_LD_FILE)
 794
 795 #######################################################################
 796 # Clean up rules
 797 clean-abuild:
 798         rm -rf coreboot-builds
 799
 800 #######################################################################
 801 # Development utilities
 802 printcrt0s:
 803         @echo crt0s=$(crt0s)
 804         @echo ldscripts=$(ldscripts)
 805
 806 update:
 807         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 808
 809 check-style:
 810         grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
 811         echo "========"
 812         util/lint/check-style
 813         echo "========"
 814
 815 gitconfig:
 816         util/gitconfig/gitconfig.sh "$(MAKE)"
 817
 818 install-git-commit-clangfmt:
 819         cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
 820
 821 include util/crossgcc/Makefile.mk
 822
 823 .PHONY: tools
 824 tools: $(objutil)/kconfig/conf $(objutil)/kconfig/toada $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(objutil)/sconfig/sconfig $(IFDTOOL) $(CBOOTIMAGE) $(AMDFWTOOL) $(AMDCOMPRESS) $(FUTILITY) $(BINCFG) $(IFITTOOL) $(objutil)/supermicro/smcbiosinfo $(CSE_FPT) $(CSE_SERGER) $(AMDFWREAD)
 825
 826 ###########################################################################
 827 # Common recipes for all stages
 828 ###########################################################################
 829
 830 # loadaddr can determine the load address of a stage, which may be needed for
 831 # platform-specific image headers (only works *after* the stage has been built)
 832 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
 833              sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
 834
 835 # find-substr is required for stages like romstage_null and romstage_xip to
 836 # eliminate the _* part of the string
 837 find-substr = $(word 1,$(subst _, ,$(1)))
 838
 839 # find-class is used to identify the class from the name of the stage
 840 # The input to this macro can be something like romstage.x or romstage.x.y
 841 # find-class recursively strips off the suffixes to extract the exact class name
 842 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
 843 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
 844 # and remove .x the next time and finally return romstage
 845 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
 846
 847 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
 848 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
 849 # include the bss section in the binary so the BootROM clears the bss on
 850 # loading of the bootblock stage. Achieve this by marking the bss section
 851 # loadable,allocatable, and data. Do the same for the .data section in case
 852 # the linker marked it NOBITS automatically because there are only zeroes in it.
 853 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
 854
 855 # For Intel TXT files in the CBFS needs to be marked as 'Initial Boot Block'.
 856 # As CBFS attributes aren't cheap, only mark them if TXT is enabled.
 857 ifeq ($(CONFIG_INTEL_TXT),y)
 858
 859 TXTIBB := --ibb
 860
 861 else
 862
 863 TXTIBB :=
 864
 865 endif
 866
 867 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
 868
 869 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
 870         @printf "    LZ4        $(subst $(obj)/,,$(@))\n"
 871         $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
 872         $(OBJCOPY_bootblock) -O binary $@.tmp
 873         $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
 874         rm -f $@.tmp
 875         mv $@.tmp2 $@
 876
 877 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
 878 # Makefiles wrapping the bootblock in a header can always key off the same file.
 879 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
 880         @printf "    OBJCOPY    $(notdir $(@))\n"
 881         $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
 882
 883 else    # CONFIG_COMPRESS_BOOTBLOCK
 884
 885 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
 886         @printf "    OBJCOPY    $(notdir $(@))\n"
 887         $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
 888
 889 endif   # CONFIG_COMPRESS_BOOTBLOCK
 890
 891 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
 892         @printf "    OBJCOPY    $(notdir $(@))\n"
 893         $(OBJCOPY_bootblock) -O binary $< $@
 894
 895 ifneq ($(CONFIG_HAVE_BOOTBLOCK),y)
 896 $(objcbfs)/bootblock.bin:
 897         dd if=/dev/zero of=$@ bs=64 count=1
 898 endif
 899
 900 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
 901         cp $< $@
 902
 903 $(objcbfs)/%.map: $(objcbfs)/%.debug
 904         $(eval class := $(call find-class,$(@F)))
 905         $(NM_$(class)) -n $< | sort > $(basename $@).map
 906
 907 $(objcbfs)/%.elf: $(objcbfs)/%.debug $(objcbfs)/%.map
 908         $(eval class := $(call find-class,$(@F)))
 909         @printf "    OBJCOPY    $(subst $(obj)/,,$(@))\n"
 910         cp $< $@.tmp
 911         $(OBJCOPY_$(class)) --strip-debug $@.tmp
 912         $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
 913         mv $@.tmp $@
 914
 915
 916 ###########################################################################
 917 # Build the final rom image
 918 ###########################################################################
 919
 920 # extract_nth - Return a subsection of the $file string
 921 #
 922 # the input string looks like this:
 923 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
 924 #
 925 # Sections:
 926 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
 927 # 2 - Name of file in cbfs  [$(FILENAME)-file]
 928 # 3 - File type:            [$(FILENAME)-type]
 929 #                bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
 930 #                mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
 931 #                mma, efi, deleted, null
 932 # 4 - Compression type      [$(FILENAME)-compression]
 933 #                      none, LZMA
 934 # 5 - Base address          [$(FILENAME)-position]
 935 # 6 - Alignment             [$(FILENAME)-align]
 936 # 7 - cbfstool flags        [$(FILENAME)-options]
 937 #
 938 # Input:
 939 #  $(1) = Section to extract
 940 #  $(2) = Input string
 941 #
 942 # Steps:
 943 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
 944 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
 945 # 3) remove the leading and trailing '-' characters
 946 # 4) replace all '*' characters with spaces
 947 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
 948
 949 # regions-for-file - Returns a cbfstool regions parameter
 950 # $(call regions-for-file,$(filename))
 951 # returns "REGION1,REGION2,..."
 952 #
 953 # This is the default implementation. When using a boot strategy employing
 954 # multiple CBFSes in fmap regions, override it.
 955 regions-for-file ?= $(if $(value regions-for-file-$(1)), $(regions-for-file-$(1)), COREBOOT)
 956
 957 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
 958         cbfs-autogen-attributes=-g
 959 endif
 960
 961 # cbfs-add-cmd-for-region
 962 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
 963 #
 964 # CBFSTOOL_ADD_CMD_OPTIONS can be used by arch/SoC/mainboard to supply
 965 # add commands with any additional arguments for cbfstool.
 966 # Example: --ext-win-base <base> --ext-win-size <size>
 967 define cbfs-add-cmd-for-region
 968         $(CBFSTOOL) $@.tmp \
 969         add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
 970                 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
 971                 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
 972         -f $(call extract_nth,1,$(1)) \
 973         -n $(call extract_nth,2,$(1)) \
 974         $(if $(filter-out flat-binary payload stage,$(call \
 975                 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
 976         $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
 977         $(cbfs-autogen-attributes) \
 978         -r $(2) \
 979         $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
 980                 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
 981                 $(call extract_nth,7,$(1)) \
 982         $(CBFSTOOL_ADD_CMD_OPTIONS)
 983
 984 endef
 985 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
 986 # newline
 987
 988 # cbfs-add-cmd
 989 # $(call cbfs-add-cmd,
 990 #          file in extract_nth format,
 991 #          region name,
 992 #          non-empty if file removal requested)
 993 define cbfs-add-cmd
 994         printf "    CBFS       $(call extract_nth,2,$(1))\n"
 995         $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
 996         $(call cbfs-add-cmd-for-region,$(1),$(2))
 997 endef
 998
 999 # list of files to add (using their file system names, not CBFS names),
1000 # for dependencies etc.
1001 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
1002
1003 # $(all-regions)
1004 # returns full list of fmap regions that we add files to
1005 all-regions = $(sort $(subst $(comma),$(spc), \
1006         $(foreach file,$(cbfs-files), \
1007                 $(call regions-for-file,$(call extract_nth,2,$(file))))))
1008
1009 # $(call all-files-in-region,region name)
1010 # returns elements in $(cbfs-files) that end up in that region, in the order
1011 # they appear in $(cbfs-files)
1012 all-files-in-region = $(foreach file,$(cbfs-files), \
1013         $(if $(filter $(1), \
1014                 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
1015                 $(file)))
1016
1017 # $(call update-file-for-region,file string from $(cbfs-files),region name)
1018 # Update position and alignment according to overrides for region
1019 # Doesn't check for invalid configurations (eg. resetting neither or both
1020 # position and align)
1021 # Returns the updated file string
1022 update-file-for-region = \
1023         $(subst $(spc),*,$(call extract_nth,1,$(1))|$(call extract_nth,2,$(1))|$(call extract_nth,3,$(1))|$(call extract_nth,4,$(1))|$($(call extract_nth,2,$(1))-$(2)-position)|$($(call extract_nth,2,$(1))-$(2)-align)|$(call extract_nth,7,$(1)))
1024
1025 # $(call placed-files-in-region,region name)
1026 # like all-files-in-region, but updates the files to contain region overrides
1027 # to position or alignment.
1028 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
1029         $(if $($(call extract_nth,2,$(file))-$(1)-position), \
1030                 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
1031                         $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
1032                 $(call update-file-for-region,$(file),$(1)), \
1033                 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
1034                         $(call update-file-for-region,$(file),$(1)), \
1035                         $(file))))
1036
1037 # $(call sort-files,subset of $(cbfs-files))
1038 # reorders the files in the given set to list files at fixed positions first,
1039 # followed by aligned files and finally those with no constraints.
1040 sort-files = \
1041         $(eval _tmp_fixed:=) \
1042         $(eval _tmp_aligned:=) \
1043         $(eval _tmp_regular:=) \
1044         $(foreach file,$(1), \
1045                 $(if $(call extract_nth,5,$(file)),\
1046                         $(eval _tmp_fixed += $(file)), \
1047                 $(if $(call extract_nth,6,$(file)), \
1048                         $(eval _tmp_aligned += $(file)), \
1049                         $(eval _tmp_regular += $(file))))) \
1050         $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
1051
1052 # command list to add files to CBFS
1053 prebuild-files = $(foreach region,$(all-regions), \
1054         $(foreach file, \
1055                 $(call sort-files,$(call placed-files-in-region,$(region))), \
1056                 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
1057
1058 # If no FMD file (Flashmap) is supplied by mainboard, fall back to a default
1059 ifeq ($(CONFIG_FMDFILE),)
1060
1061 ifeq ($(CONFIG_ARCH_X86),y)
1062
1063 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
1064 # check if IFD_CHIPSET is set and if yes generate a FMAP template from IFD descriptor
1065 ifneq ($(CONFIG_IFD_CHIPSET),)
1066 ifeq ($(CONFIG_HAVE_IFD_BIN),y)
1067 DEFAULT_FLASHMAP:=$(obj)/fmap-template.fmd
1068 $(DEFAULT_FLASHMAP): $(call strip_quotes,$(CONFIG_IFD_BIN_PATH)) $(IFDTOOL)
1069         echo "    IFDTOOL    -p $(CONFIG_IFD_CHIPSET) -F $@ $<"
1070         $(IFDTOOL) -p $(CONFIG_IFD_CHIPSET) -F $@ $<
1071 endif # ifeq($(CONFIG_HAVE_IFD_BIN),y)
1072 endif # ifneq($(CONFIG_IFD_CHIPSET),)
1073
1074 # entire flash
1075 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
1076 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
1077 # entire "BIOS" region (everything directly of concern to the host system)
1078 # relative to ROM_BASE
1079 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
1080 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
1081 # position and size of flashmap, relative to BIOS_BASE
1082
1083 #
1084 # X86 CONSOLE FMAP region
1085 #
1086 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
1087
1088 FMAP_CURRENT_BASE := 0
1089
1090 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
1091 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
1092 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
1093 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
1094 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
1095 else
1096 FMAP_CONSOLE_ENTRY :=
1097 endif
1098
1099 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1100 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1101 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
1102 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
1103 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
1104 else
1105 FMAP_MRC_CACHE_ENTRY :=
1106 endif
1107
1108 ifeq ($(CONFIG_SMMSTORE),y)
1109 FMAP_SMMSTORE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1110 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
1111 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
1112 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE))
1113 else
1114 FMAP_SMMSTORE_ENTRY :=
1115 endif
1116
1117 ifeq ($(CONFIG_SPD_CACHE_IN_FMAP),y)
1118 FMAP_SPD_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
1119 FMAP_SPD_CACHE_SIZE := $(call int-multiply, $(CONFIG_DIMM_MAX) $(CONFIG_DIMM_SPD_SIZE))
1120 FMAP_SPD_CACHE_SIZE := $(call int-align, $(FMAP_SPD_CACHE_SIZE), 0x1000)
1121 FMAP_SPD_CACHE_ENTRY := $(CONFIG_SPD_CACHE_FMAP_NAME)@$(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE)
1122 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE))
1123 else
1124 FMAP_SPD_CACHE_ENTRY :=
1125 endif
1126
1127 ifeq ($(CONFIG_VPD),y)
1128 FMAP_VPD_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
1129 FMAP_VPD_SIZE := $(CONFIG_VPD_FMAP_SIZE)
1130 FMAP_VPD_ENTRY := $(CONFIG_VPD_FMAP_NAME)@$(FMAP_VPD_BASE) $(FMAP_VPD_SIZE)
1131 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_VPD_BASE) $(FMAP_VPD_SIZE))
1132 else
1133 FMAP_VPD_ENTRY :=
1134 endif
1135
1136 ifeq ($(CONFIG_INCLUDE_HSPHY_IN_FMAP),y)
1137 FMAP_HSPHY_FW_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x1000)
1138 FMAP_HSPHY_FW_SIZE := $(CONFIG_HSPHY_FW_MAX_SIZE)
1139 FMAP_HSPHY_FW_ENTRY := HSPHY_FW@$(FMAP_HSPHY_FW_BASE) $(FMAP_HSPHY_FW_SIZE)
1140 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_HSPHY_FW_BASE) $(FMAP_HSPHY_FW_SIZE))
1141 else
1142 FMAP_HSPHY_FW_ENTRY :=
1143 endif
1144
1145 #
1146 # X86 FMAP region
1147 #
1148 #
1149 # position, size
1150 FMAP_FMAP_BASE := $(FMAP_CURRENT_BASE)
1151 FMAP_FMAP_SIZE := 0x200
1152
1153 #
1154 # X86 COREBOOT default cbfs FMAP region
1155 #
1156 # position and size of CBFS, relative to BIOS_BASE
1157 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1158 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1159
1160 else # ifeq ($(CONFIG_ARCH_X86),y)
1161
1162 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
1163 # entire flash
1164 FMAP_ROM_ADDR := 0
1165 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
1166 # entire "BIOS" region (everything directly of concern to the host system)
1167 # relative to ROM_BASE
1168 FMAP_BIOS_BASE := 0
1169 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
1170 # position and size of flashmap, relative to BIOS_BASE
1171 FMAP_FMAP_BASE := 0x20000
1172 FMAP_FMAP_SIZE := 0x200
1173
1174 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1175
1176 #
1177 # NON-X86 CONSOLE FMAP region
1178 #
1179 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
1180 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
1181 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
1182 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
1183 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
1184 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
1185 else
1186 FMAP_CONSOLE_ENTRY :=
1187 endif
1188
1189 #
1190 # NON-X86 RW_MRC_CACHE FMAP region
1191 #
1192 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
1193 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1194 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1195 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
1196 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
1197 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
1198 else
1199 FMAP_MRC_CACHE_ENTRY :=
1200 endif
1201
1202 #
1203 # NON-X86 COREBOOT default cbfs FMAP region
1204 #
1205 # position and size of CBFS, relative to BIOS_BASE
1206 FMAP_CBFS_BASE := $(FMAP_CURRENT_BASE)
1207 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1208
1209 endif # ifeq ($(CONFIG_ARCH_X86),y)
1210
1211 $(obj)/fmap.fmd: $(top)/Makefile.mk $(DEFAULT_FLASHMAP) $(obj)/config.h
1212         sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
1213             -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
1214             -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
1215             -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
1216             -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
1217             -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
1218             -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
1219             -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
1220             -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
1221             -e "s,##SPD_CACHE_ENTRY##,$(FMAP_SPD_CACHE_ENTRY)," \
1222             -e "s,##VPD_ENTRY##,$(FMAP_VPD_ENTRY)," \
1223             -e "s,##HSPHY_FW_ENTRY##,$(FMAP_HSPHY_FW_ENTRY)," \
1224             -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
1225             -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
1226                 $(DEFAULT_FLASHMAP) > $@.tmp
1227         mv $@.tmp $@
1228 else # ifeq ($(CONFIG_FMDFILE),)
1229 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
1230         $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
1231         mv $@.pre $@
1232 endif # ifeq ($(CONFIG_FMDFILE),)
1233
1234 # generated at the same time as fmap.fmap
1235 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1236         true
1237 $(obj)/fmap.desc: $(obj)/fmap.fmap
1238         true
1239
1240 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1241         echo "    FMAP       $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1242         $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1243
1244 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1245 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1246 endif
1247
1248 ifneq ($(CONFIG_ARCH_X86),y)
1249 add_bootblock = $(CBFSTOOL) $(1) write -u -r BOOTBLOCK -f $(2)
1250 endif
1251
1252 # coreboot.pre doesn't follow the standard Make conventions. It gets modified
1253 # by multiple rules, and thus we can't compute the dependencies correctly.
1254 $(shell rm -f $(obj)/coreboot.pre)
1255
1256 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1257 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL) $(obj)/fmap.fmap $(obj)/fmap.desc $(objcbfs)/bootblock.bin
1258         $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1259         printf "    BOOTBLOCK\n"
1260         $(call add_bootblock,$@.tmp,$(objcbfs)/bootblock.bin)
1261         $(prebuild-files) true
1262         mv $@.tmp $@
1263 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1264 .PHONY: $(obj)/coreboot.pre
1265 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1266         mv $(obj)/coreboot.rom $@.tmp || \
1267         (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1268         echo "Exiting." && \
1269         false)
1270         $(prebuild-files) true
1271         mv $@.tmp $@
1272 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1273
1274 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1275 REFCODE_BLOB=$(obj)/refcode.rmod
1276 $(REFCODE_BLOB): $(RMODTOOL)
1277         $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1278 endif
1279
1280 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1281 RAMSTAGE=$(objcbfs)/ramstage.elf
1282 else
1283 RAMSTAGE=
1284 endif
1285
1286 add_intermediate = \
1287         $(1): $(obj)/coreboot.pre $(2) | $(INTERMEDIATE) \
1288         $(eval INTERMEDIATE+=$(1)) $(eval PHONY+=$(1))
1289
1290 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(CBFSTOOL) $(IFITTOOL) $$(INTERMEDIATE)
1291         @printf "    CBFS       $(subst $(obj)/,,$(@))\n"
1292 # The full ROM may be larger than the CBFS part, so create an empty
1293 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1294         dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1295         dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1296 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1297 # Print final FIT table
1298         $(IFITTOOL) -f $@.tmp -D -r COREBOOT
1299 # Print final TS BOOTBLOCK FIT table
1300 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1301         @printf "    TOP SWAP FIT table\n"
1302         $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT
1303 endif # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK
1304 endif # CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE
1305         mv $@.tmp $@
1306         @printf "    CBFSLAYOUT  $(subst $(obj)/,,$(@))\n\n"
1307         $(CBFSTOOL) $@ layout
1308         @printf "    CBFSPRINT  $(subst $(obj)/,,$(@))\n\n"
1309 ifeq ($(CONFIG_CBFS_VERIFICATION),y)
1310         line=$$($(CBFSTOOL) $@ print -kv 2>/dev/null | grep -F '[CBFS VERIFICATION (COREBOOT)]') ;\
1311         if ! printf "$$line" | grep -q 'fully valid'; then \
1312                 echo "CBFS verification error: $$line" ;\
1313                 exit 1 ;\
1314         fi
1315 endif # CONFIG_CBFS_VERIFICATION
1316
1317 define link_stage
1318 # $1 stage name
1319
1320 $$(objcbfs)/$(1).debug: $$$$($(1)-libs) $$$$($(1)-objs)
1321         @printf "    LINK       $$(subst $$(obj)/,,$$(@))\n"
1322         $$(LD_$(1)) $$(LDFLAGS_$(1)) -o $$@ -L$$(obj) $$(COMPILER_RT_FLAGS_$(1)) --whole-archive --start-group $$(filter-out %.ld,$$($(1)-objs)) $$($(1)-libs) --no-whole-archive $$(COMPILER_RT_$(1)) --end-group -T $(call src-to-obj,$(1),$(CONFIG_MEMLAYOUT_LD_FILE))
1323
1324 endef
1325
1326 ifeq ($(CONFIG_SEPARATE_ROMSTAGE),y)
1327 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1328 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1329 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1330 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1331 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1332 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1333 endif
1334 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1335 ifeq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1336 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1337 else
1338 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data,.data"
1339 endif
1340
1341 # If CAR does not support execution of code, romstage on x86 is expected to be
1342 # xip.
1343 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1344 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1345
1346 # For efficient MTRR utilisation use natural alignment for romstage.
1347 ifeq ($(CONFIG_SETUP_XIP_CACHE),y)
1348 $(CONFIG_CBFS_PREFIX)/romstage-options += --pow2page
1349 endif    # CONFIG_SETUP_XIP_CACHE
1350
1351 endif   # CONFIG_NO_XIP_EARLY_STAGES
1352 endif   # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1353 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y)
1354 $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB)
1355 endif
1356 else # CONFIG_SEPARATE_ROMSTAGE
1357 postinclude-hooks += $$(eval bootblock-srcs += $$(romstage-srcs))
1358 postinclude-hooks += $$(eval bootblock-libs += $$(romstage-libs))
1359 endif
1360
1361 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1362 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1363 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1364 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1365 # The AMD LPC SPI DMA controller requires source files to be 64 byte aligned.
1366 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
1367 $(CONFIG_CBFS_PREFIX)/ramstage-align := 64
1368 endif
1369
1370 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1371 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1372 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1373 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1374
1375 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1376 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1377 vgaroms/seavgabios.bin-type := raw
1378
1379 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1380 config-file := $(DOTCONFIG):config
1381 config-type := raw
1382 config-compression := LZMA
1383
1384 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1385 revision-file := $(obj)/build.h
1386 revision-type := raw
1387
1388 cbfs-files-y += build_info
1389 build_info-file := $(obj)/build_info
1390 build_info-type := raw
1391
1392 ifeq ($(CONFIG_BOOTSPLASH_CONVERT),y)
1393 ifeq ($(shell command -v convert),)
1394 $(error CONFIG_BOOTSPLASH_CONVERT requires the convert program (part of ImageMagick))
1395 endif
1396 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash.jpg
1397 bootsplash.jpg-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)):jpg420
1398 bootsplash.jpg-type := bootsplash
1399 else
1400 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1401 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1402 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1403 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1404 endif
1405
1406 # Ensure that no payload segment overlaps with memory regions used by ramstage
1407 # (not for x86 since it can relocate itself in that case)
1408 ifneq ($(CONFIG_ARCH_X86),y)
1409 check-ramstage-overlap-regions := ramstage
1410 check-ramstage-overlap-files :=
1411 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1412 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1413 endif
1414
1415 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1416 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1417         '\%$(1)%,\%^[^ ]\{4\}%s%    .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1418
1419 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1420         sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p' | \
1421         uniq
1422
1423 $(call add_intermediate, check-ramstage-overlaps)
1424         programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1425                 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1426         regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1427                 echo $(region) ; \
1428                 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1429                 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1430         pstart= ; pend= ; \
1431         for x in $$programs; do \
1432             if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1433             pend=$$(($$pstart + $$x)) ; \
1434             rname= ; rstart= ; rend= ; \
1435             for y in $$regions ; do \
1436                 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1437                 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1438                 rend=$$(($$y)) ; \
1439                 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1440                     echo "ERROR: Ramstage region _$$rname@($$rstart,$$rend) overlapped by($$pstart,$$pend):" \
1441                          $(check-ramstage-overlap-files) ; \
1442                     exit 1 ; \
1443                 fi ; \
1444                 rname= ; rstart= ; rend= ; \
1445             done ; \
1446             pstart= ; pend= ; \
1447         done
1448
1449 endif