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