1 # SPDX-License-Identifier: GPL-2.0-only
4 GIT:=$(shell git -C "$(top)" rev-parse --git-dir 1>/dev/null 2>&1 \
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, $(CONFIG_MEMLAYOUT_LD_FILE))
19 #######################################################################
20 # misleadingly named, this is the coreboot version
21 ifeq ($(KERNELVERSION),)
22 ifeq ($(BUILD_TIMELESS),1)
23 KERNELVERSION := -TIMELESS--LESSTIME-
25 KERNELVERSION := $(strip $(if $(GIT),\
26 $(shell git describe --dirty --always || git describe),\
27 $(if $(wildcard $(top)/.coreboot-version),\
28 $(shell cat $(top)/.coreboot-version),\
29 coreboot-unknown$(KERNELREVISION))))
32 COREBOOT_EXPORTS += KERNELVERSION
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
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
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
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
60 #######################################################################
61 # root rule to resolve if in build mode (ie. configuration exists)
62 real-target: $(obj)/config.h coreboot files_added
63 coreboot: $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool $(obj)/cse_fpt $(obj)/cse_serger
65 # This target can be used in site local to run scripts or additional
66 # targets after the build completes by creating a Makefile.inc in the
67 # site-local directory with a target named 'build_complete::'
68 build_complete:: coreboot
69 printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \
70 $(CONFIG_MAINBOARD_PART_NUMBER)
72 # This target can be used to run rules after all files were added to CBFS,
73 # for example to process FMAP regions or the entire image.
74 files_added:: build_complete
76 #######################################################################
78 PHONY+= clean-abuild coreboot check-style build_complete
80 #######################################################################
81 # root source directories of coreboot
82 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi src/superio/common
83 subdirs-$(CONFIG_EC_ACPI) += src/ec/intel
84 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
85 subdirs-y += $(wildcard src/soc/*) $(wildcard src/soc/*/common) $(filter-out $(wildcard src/soc/*/common),$(wildcard src/soc/*/*))
86 subdirs-y += $(wildcard src/northbridge/*/*)
87 subdirs-y += $(filter-out src/superio/common,$(wildcard src/superio/*)) $(wildcard src/superio/*/*)
88 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*)
89 subdirs-y += src/cpu src/vendorcode
90 subdirs-y += util/cbfstool util/sconfig util/nvramtool util/pgtblgen util/amdfwtool
91 subdirs-y += util/futility util/marvell util/bincfg util/supermicro util/qemu
92 subdirs-y += util/ifdtool
93 subdirs-y += $(wildcard src/arch/*)
94 subdirs-y += src/mainboard/$(MAINBOARDDIR)
95 subdirs-y += src/security
96 subdirs-y += payloads payloads/external
97 subdirs-$(CONFIG_SBOM) += src/sbom
99 subdirs-y += site-local
100 subdirs-y += util/checklist util/testing
102 #######################################################################
103 # Add source classes and their build options
104 classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
106 # Add a special 'all' class to add sources to all stages
107 $(call add-special-class,all)
108 all-handler = $(foreach class,bootblock verstage romstage postcar ramstage,$(eval $(class)-y += $(2)))
110 $(call add-special-class,all_x86)
111 all_x86-handler = $(foreach class,bootblock verstage_x86 romstage postcar ramstage,$(eval $(class)-y += $(2)))
113 $(call add-special-class,verstage_x86)
114 ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
115 verstage_x86-handler = $(eval verstage-y += $(2))
117 verstage_x86-handler =
120 # Add dynamic classes for rmodules
121 $(foreach supported_arch,$(ARCH_SUPPORTED), \
122 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
123 # Provide a macro to determine environment for free standing rmodules.
124 $(foreach supported_arch,$(ARCH_SUPPORTED), \
125 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
127 #######################################################################
128 # Helper functions for math, strings, and various file placement matters.
129 # macros work on all formats understood by printf(1)
130 # values are space separated if using more than one value
132 # int-add: adds an arbitrary length list of integers
133 # int-subtract: subtracts the second of two integers from the first
134 # int-multiply: multiplies an arbitrary length list of integers
135 # int-divide: divides the first integer by the second
136 # int-remainder: arithmetic remainder of the first number divided by the second
137 # int-shift-left: Shift $1 left by $2 bits
138 # int-lt: 1 if the first value is less than the second. 0 otherwise
139 # int-gt: 1 if the first values is greater than the second. 0 otherwise
140 # int-eq: 1 if the two values are equal. 0 otherwise
141 # int-align: align $1 to $2 units
142 # file-size: returns the filesize of the given file
143 # tolower: returns the value in all lowercase
144 # toupper: returns the value in all uppercase
145 # ws_to_under: returns the value with any whitespace changed to underscores
146 _toint=$(shell printf "%d" $1)
147 _tohex=$(shell printf 0x"%x" $1)
148 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
149 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
150 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
151 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
152 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
153 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
154 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
155 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
156 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
157 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
158 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
159 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
160 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
161 file-size=$(strip $(shell wc -c "$1" | cut -f 1 -d ' '))
162 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
163 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
164 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
166 #######################################################################
167 # Helper functions for ramstage postprocess
172 # Returns all files and dirs below `dir` (recursively).
173 # files-below-dir,dir,files
174 files-below-dir=$(filter $(1)%,$(2))
176 # Returns all dirs below `dir` (recursively).
177 # dirs-below-dir,dir,files
178 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
180 # Returns all files directly in `dir` (non-recursively).
181 # files-in-dir,dir,files
182 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
184 #######################################################################
185 # reduce command line length by linking the objects of each
186 # directory into an intermediate file
187 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
188 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
189 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
190 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
192 decompressor-generic-ccopts += -D__DECOMPRESSOR__
193 bootblock-generic-ccopts += -D__BOOTBLOCK__
194 romstage-generic-ccopts += -D__ROMSTAGE__
195 ramstage-generic-ccopts += -D__RAMSTAGE__
196 ifeq ($(CONFIG_COVERAGE),y)
197 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
200 ifneq ($(UPDATED_SUBMODULES),1)
201 $(info Updating git submodules.)
202 # try to fetch non-optional submodules if the source is under git
203 forgetthis:=$(shell git submodule update --init $(quiet_errors))
204 # Checkout Cmocka repository
205 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/cmocka $(quiet_errors))
206 ifeq ($(CONFIG_USE_BLOBS),y)
207 # These items are necessary because each has update=none in .gitmodules. They are ignored
208 # until expressly requested and enabled with --checkout
209 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/blobs $(quiet_errors))
210 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/intel-microcode $(quiet_errors))
211 ifeq ($(CONFIG_FSP_USE_REPO),y)
212 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/fsp $(quiet_errors))
214 ifeq ($(CONFIG_USE_AMD_BLOBS),y)
215 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/amd_blobs $(quiet_errors))
217 ifeq ($(CONFIG_USE_QC_BLOBS),y)
218 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/qc_blobs $(quiet_errors))
221 UPDATED_SUBMODULES:=1
222 COREBOOT_EXPORTS += UPDATED_SUBMODULES
227 postcar-c-deps:=$$(OPTION_TABLE_H)
228 ramstage-c-deps:=$$(OPTION_TABLE_H)
229 romstage-c-deps:=$$(OPTION_TABLE_H)
230 verstage-c-deps:=$$(OPTION_TABLE_H)
231 bootblock-c-deps:=$$(OPTION_TABLE_H)
232 $(foreach type,ads adb, \
233 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
234 $(eval $(stage)-$(type)-deps := \
235 $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
236 $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
238 # Add handler to copy linker scripts
239 define generic-objs_ld_template_gen
240 de$(EMPTY)fine $(1)-objs_ld_template
241 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h $(obj)/fmap_config.h
242 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
243 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
247 # Add handler to deal with archives
248 define generic-objs_a_template_gen
249 de$(EMPTY)fine $(1)-objs_a_template
250 $$(call src-to-obj,$1,$$(1).a): $$(1).a
251 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
252 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
257 # Add handler to add no rules for manual files
258 define generic-objs_manual_template_gen
262 #######################################################################
263 # Add handler to compile ACPI's ASL
264 # arg1: base file name
265 # arg2: y or n for including in cbfs. defaults to y
267 # Empty resource templates were marked as a warning in IASL with the comment
268 # "This would appear to be worthless in real-world ASL code.", which is
269 # possibly true in many cases. In other cases it seems that an empty
270 # ResourceTemplate is the correct code.
271 # As it's valid ASL, disable the warning.
272 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
274 IASL_WARNINGS_LIST = $(EMPTY_RESOURCE_TEMPLATE_WARNING)
276 IGNORED_IASL_WARNINGS = $(addprefix -vw , $(IASL_WARNINGS_LIST))
279 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
280 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
281 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
282 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
283 $(CONFIG_CBFS_PREFIX)/$(1).aml-align = 64
285 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
286 -include $(obj)/$(1).d
287 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
288 @printf " IASL $$(subst $(top)/,,$$(@))\n"
289 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
290 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
291 echo " IASL "$(IASL_WARNINGS_LIST)" warning types were ignored!"
292 if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \
293 echo " IASL $$@ disassembled correctly."; \
296 echo "Error: Could not correctly disassemble $$@"; \
302 #######################################################################
303 # Parse plaintext CMOS defaults into binary format
305 # arg2: binary file name
306 cbfs-files-processor-nvramtool= \
307 $(eval $(2): $(1) $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) | $(objutil)/nvramtool/nvramtool ; \
308 printf " CREATE $(2) (from $(1))\n"; \
309 $(objutil)/nvramtool/nvramtool -y $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) -D $(2).tmp -p $(1) && \
312 #######################################################################
313 # Reduce a .config file by removing lines about default unset booleans
316 define cbfs-files-processor-config
317 $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
318 +printf " CREATE $(2) (from $(1))\n"; \
319 printf "# This image was built using coreboot " > $(2).tmp && \
320 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
321 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
322 cat $(2).tmp2 >> $(2).tmp && \
323 printf "# End of defconfig. Derivable values start here.\n" >> $(2).tmp && \
324 grep "^CONFIG" $(1) | grep -F -v -f $(2).tmp2 >> $(2).tmp && \
329 #######################################################################
330 # Compile a C file with a bare struct definition into binary
331 # arg1: C source file
333 cbfs-files-processor-struct= \
334 $(eval $(2): $(1) $(obj)/build.h $(obj)/fmap_config.h $(KCONFIG_AUTOHEADER); \
335 printf " CC+STRIP $(1)\n"; \
336 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) --param asan-globals=0 $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
337 $(OBJCOPY_ramstage) -O binary --only-section='.data*' --only-section='.bss*' --set-section-flags .bss*=alloc,contents,load $(2).tmp $(2); \
339 $(eval DEPENDENCIES += $(2).d)
341 #######################################################################
342 # Add handler for arbitrary files in CBFS
343 $(call add-special-class,cbfs-files)
344 cbfs-files-handler= \
345 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
346 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
347 $(eval tmp-cbfs-file:= ) \
349 $(if $(wildcard $(1)$($(2)-file)), \
350 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
351 $(eval tmp-cbfs-file:= $($(2)-file)))) \
352 $(if $(strip $($(2)-required)), \
353 $(if $(wildcard $(tmp-cbfs-file)),, \
354 $(info This build configuration requires $($(2)-required)) \
355 $(eval FAILBUILD:=1) \
357 $(if $(strip $($(2)-align)), \
358 $(if $(strip $($(2)-position)), \
359 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
360 $(eval FAILBUILD:=1) \
362 $(if $(tmp-cbfs-method), \
363 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
364 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
365 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
366 $(if $(tmp-cbfs-file), \
367 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
368 $(eval $(2)-name:=) \
369 $(eval $(2)-type:=) \
370 $(eval $(2)-compression:=) \
371 $(eval $(2)-position:=) \
372 $(eval $(2)-required:=) \
373 $(eval $(2)-options:=) \
376 #######################################################################
377 # a variety of flags for our build
378 CBFS_COMPRESS_FLAG:=none
379 ifeq ($(CONFIG_COMPRESS_RAMSTAGE_LZMA),y)
380 CBFS_COMPRESS_FLAG:=LZMA
382 ifeq ($(CONFIG_COMPRESS_RAMSTAGE_LZ4),y)
383 CBFS_COMPRESS_FLAG:=LZ4
386 CBFS_PAYLOAD_COMPRESS_FLAG:=none
387 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
388 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
390 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
391 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
394 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
395 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
396 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
399 CBFS_PRERAM_COMPRESS_FLAG:=none
400 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
401 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
404 ifneq ($(CONFIG_LOCALVERSION),"")
405 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
406 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
409 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -Isrc/commonlib/bsd/include -I$(obj)
410 VBOOT_SOURCE ?= 3rdparty/vboot
411 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
412 CPPFLAGS_common += -include $(src)/include/kconfig.h
413 CPPFLAGS_common += -include $(src)/include/rules.h
414 CPPFLAGS_common += -include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h
415 CPPFLAGS_common += -I3rdparty
416 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
418 ifeq ($(BUILD_TIMELESS),1)
419 CPPFLAGS_common += -D__TIMELESS__
422 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
423 CPPFLAGS_ramstage += -Isrc/device/oprom/include
426 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
427 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
428 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
429 CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla -Wold-style-definition
430 CFLAGS_common += -Wdangling-else -Wmissing-include-dirs
431 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
432 CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie
433 ifeq ($(CONFIG_COMPILER_GCC),y)
434 # Don't add these GCC specific flags when running scan-build
435 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
436 CFLAGS_common += -Wno-packed-not-aligned
437 CFLAGS_common += -fconserve-stack
438 CFLAGS_common += -Wnull-dereference -Wreturn-type
439 CFLAGS_common += -Wlogical-op -Wduplicated-cond -Wno-array-compare
443 ADAFLAGS_common += -gnatp
444 ADAFLAGS_common += -Wuninitialized -Wall -Werror
445 ADAFLAGS_common += -pipe -g -nostdinc
446 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
447 ADAFLAGS_common += -fno-common -fomit-frame-pointer
448 ADAFLAGS_common += -ffunction-sections -fdata-sections
449 ADAFLAGS_common += -fno-pie
450 # Ada warning options:
452 # a Activate most optional warnings.
453 # .e Activate every optional warnings.
454 # e Treat warnings and style checks as errors.
456 # D Suppress warnings on implicit dereferences:
457 # As SPARK does not accept access types we have to map the
458 # dynamically chosen register locations to a static SPARK
461 # .H Suppress warnings on holes/gaps in records:
462 # We are modelling hardware here!
464 # H Suppress warnings on hiding:
465 # It's too annoying, you run out of ideas for identifiers fast.
467 # T Suppress warnings for tracking of deleted conditional code:
468 # We use static options to select code paths at compile time.
470 # U Suppress warnings on unused entities:
471 # Would have lots of warnings for unused register definitions,
472 # `withs` for debugging etc.
474 # .U Deactivate warnings on unordered enumeration types:
475 # As SPARK doesn't support `pragma Ordered` by now, we don't
478 # .W Suppress warnings on unnecessary Warnings Off pragmas:
479 # Things get really messy when you use different compiler
480 # versions, otherwise.
481 # .Y Disable information messages for why package spec needs body:
482 # Those messages are annoying. But don't forget to enable those,
483 # if you need the information.
484 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
485 # Disable style checks for now
486 ADAFLAGS_common += -gnatyN
488 LDFLAGS_common := --gc-sections -nostdlib --nmagic -static
490 # Workaround for RISC-V linker bug, merge back into above line when fixed.
491 # https://sourceware.org/bugzilla/show_bug.cgi?id=27180
492 ifneq ($(CONFIG_ARCH_RISCV),y)
493 LDFLAGS_common += --emit-relocs
496 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
497 CFLAGS_common += -Werror
499 ifneq ($(GDB_DEBUG),)
501 ADAFLAGS_common += -Og
504 ADAFLAGS_common += -Os
507 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
508 ADAFLAGS_common += -gnata
511 additional-dirs += $(objutil)/cbfstool $(objutil)/ifdtool \
512 $(objutil)/options $(objutil)/amdfwtool \
513 $(objutil)/cbootimage
515 export $(COREBOOT_EXPORTS)
517 #######################################################################
518 # generate build support files
520 build_h := $(obj)/build.h
522 # We have to manually export variables that `genbuild_h.sh` uses
523 # when we call it through the `$(shell)` function. This is fragile
524 # but as variables newly added to `genbuild_h.sh` would just not
525 # work, we'd notice that instantly at least.
526 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
528 # Report new `build.ht` as dependency if `build.h` differs.
530 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
531 util/genbuild_h/genbuild_h.sh $(xcompile) \
532 >$(build_h)t 2>/dev/null; \
533 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
535 $(build_h): $$(shell $$(build_h_check))
536 @printf " GEN build.h\n"
540 @echo 'COREBOOT_VERSION: $(call strip_quotes,$(KERNELVERSION))' > $@.tmp
541 @echo 'MAINBOARD_VENDOR: $(call strip_quotes,$(CONFIG_MAINBOARD_VENDOR))' >> $@.tmp
542 @echo 'MAINBOARD_PART_NUMBER: $(call strip_quotes,$(CONFIG_MAINBOARD_PART_NUMBER))' >> $@.tmp
545 #######################################################################
547 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
548 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
549 RMODTOOL:=$(objutil)/cbfstool/rmodtool
550 IFWITOOL:=$(objutil)/cbfstool/ifwitool
551 IFITTOOL:=$(objutil)/cbfstool/ifittool
552 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
553 CSE_FPT:=$(objutil)/cbfstool/cse_fpt
554 CSE_SERGER:=$(objutil)/cbfstool/cse_serger
556 $(obj)/cbfstool: $(CBFSTOOL)
559 $(obj)/fmaptool: $(FMAPTOOL)
562 $(obj)/rmodtool: $(RMODTOOL)
565 $(obj)/ifwitool: $(IFWITOOL)
568 $(obj)/ifittool: $(IFITTOOL)
571 $(obj)/amdcompress: $(AMDCOMPRESS)
574 $(obj)/cse_fpt: $(CSE_FPT)
577 $(obj)/cse_serger: $(CSE_SERGER)
580 _WINCHECK=$(shell uname -o 2> /dev/null)
582 ifeq ($(_WINCHECK),Msys)
583 STACK=-Wl,--stack,16384000
585 ifeq ($(_WINCHECK),Cygwin)
586 STACK=-Wl,--stack,16384000
589 BINCFG:=$(objutil)/bincfg/bincfg
591 IFDTOOL:=$(objutil)/ifdtool/ifdtool
593 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
594 AMDFWREAD:=$(objutil)/amdfwtool/amdfwread
596 APCB_EDIT_TOOL:=$(top)/util/apcb/apcb_edit.py
598 APCB_V3_EDIT_TOOL:=$(top)/util/apcb/apcb_v3_edit.py
600 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
602 FUTILITY?=$(objutil)/futility/futility
604 subdirs-y += util/nvidia
606 $(obj)/config.h: $(objutil)/kconfig/conf
608 #######################################################################
609 # needed objects that every mainboard uses
610 # Creation of these is architecture and mainboard independent
611 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
613 SCONFIG_OPTIONS := --mainboard_devtree=$(DEVICETREE_FILE)
615 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
616 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
617 SCONFIG_OPTIONS += --override_devtree=$(OVERRIDE_DEVICETREE_FILE)
620 ifneq ($(CONFIG_CHIPSET_DEVICETREE),)
621 CHIPSET_DEVICETREE_FILE := $(src)/$(CONFIG_CHIPSET_DEVICETREE)
622 SCONFIG_OPTIONS += --chipset_devtree=$(CHIPSET_DEVICETREE_FILE)
625 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
626 SCONFIG_OPTIONS += --output_c=$(DEVICETREE_STATIC_C)
628 DEVICETREE_STATIC_H := $(obj)/static.h
629 SCONFIG_OPTIONS += --output_h=$(DEVICETREE_STATIC_H)
631 DEVICETREE_DEVICENAMES_H := $(obj)/static_devices.h
632 SCONFIG_OPTIONS += --output_d=$(DEVICETREE_DEVICENAMES_H)
634 DEVICETREE_FWCONFIG_H := $(obj)/static_fw_config.h
635 SCONFIG_OPTIONS += --output_f=$(DEVICETREE_FWCONFIG_H)
637 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(CHIPSET_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
638 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
639 mkdir -p $(dir $(DEVICETREE_STATIC_C))
640 $(objutil)/sconfig/sconfig $(SCONFIG_OPTIONS)
642 ramstage-y+=$(DEVICETREE_STATIC_C)
643 romstage-y+=$(DEVICETREE_STATIC_C)
644 verstage-y+=$(DEVICETREE_STATIC_C)
645 bootblock-y+=$(DEVICETREE_STATIC_C)
646 postcar-y+=$(DEVICETREE_STATIC_C)
647 smm-y+=$(DEVICETREE_STATIC_C)
649 # Ensure static.c and static.h are created before any objects are compiled
650 ramstage-c-deps+=$(DEVICETREE_STATIC_C)
651 romstage-c-deps+=$(DEVICETREE_STATIC_C)
652 verstage-c-deps+=$(DEVICETREE_STATIC_C)
653 bootblock-c-deps+=$(DEVICETREE_STATIC_C)
654 postcar-c-deps+=$(DEVICETREE_STATIC_C)
655 smm-c-deps+=$(DEVICETREE_STATIC_C)
657 # Ensure fmap_config.h are created before any objects are compiled
658 ramstage-c-deps+=$(obj)/fmap_config.h
659 romstage-c-deps+=$(obj)/fmap_config.h
660 verstage-c-deps+=$(obj)/fmap_config.h
661 bootblock-c-deps+=$(obj)/fmap_config.h
662 postcar-c-deps+=$(obj)/fmap_config.h
663 smm-c-deps+=$(obj)/fmap_config.h
666 devicetree: $(DEVICETREE_STATIC_C)
668 ramstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
669 romstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
670 bootblock-y += $(CONFIG_MEMLAYOUT_LD_FILE)
671 verstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
672 postcar-y += $(CONFIG_MEMLAYOUT_LD_FILE)
673 decompressor-y += $(CONFIG_MEMLAYOUT_LD_FILE)
675 #######################################################################
678 rm -rf coreboot-builds
680 #######################################################################
681 # Development utilities
684 @echo ldscripts=$(ldscripts)
687 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
690 grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
692 util/lint/check-style
696 util/gitconfig/gitconfig.sh "$(MAKE)"
698 install-git-commit-clangfmt:
699 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
701 include util/crossgcc/Makefile.inc
704 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)
706 ###########################################################################
707 # Common recipes for all stages
708 ###########################################################################
710 # loadaddr can determine the load address of a stage, which may be needed for
711 # platform-specific image headers (only works *after* the stage has been built)
712 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
713 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
715 # find-substr is required for stages like romstage_null and romstage_xip to
716 # eliminate the _* part of the string
717 find-substr = $(word 1,$(subst _, ,$(1)))
719 # find-class is used to identify the class from the name of the stage
720 # The input to this macro can be something like romstage.x or romstage.x.y
721 # find-class recursively strips off the suffixes to extract the exact class name
722 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
723 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
724 # and remove .x the next time and finally return romstage
725 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
727 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
728 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
729 # include the bss section in the binary so the BootROM clears the bss on
730 # loading of the bootblock stage. Achieve this by marking the bss section
731 # loadable,allocatable, and data. Do the same for the .data section in case
732 # the linker marked it NOBITS automatically because there are only zeroes in it.
733 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
735 # For Intel TXT files in the CBFS needs to be marked as 'Initial Boot Block'.
736 # As CBFS attributes aren't cheap, only mark them if TXT is enabled.
737 ifeq ($(CONFIG_INTEL_TXT),y)
747 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
749 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
750 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
751 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
752 $(OBJCOPY_bootblock) -O binary $@.tmp
753 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
757 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
758 # Makefiles wrapping the bootblock in a header can always key off the same file.
759 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
760 @printf " OBJCOPY $(notdir $(@))\n"
761 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
763 else # CONFIG_COMPRESS_BOOTBLOCK
765 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
766 @printf " OBJCOPY $(notdir $(@))\n"
767 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
769 endif # CONFIG_COMPRESS_BOOTBLOCK
771 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
772 @printf " OBJCOPY $(notdir $(@))\n"
773 $(OBJCOPY_bootblock) -O binary $< $@
775 ifneq ($(CONFIG_HAVE_BOOTBLOCK),y)
776 $(objcbfs)/bootblock.bin:
777 dd if=/dev/zero of=$@ bs=64 count=1
780 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
783 $(objcbfs)/%.map: $(objcbfs)/%.debug
784 $(eval class := $(call find-class,$(@F)))
785 $(NM_$(class)) -n $< | sort > $(basename $@).map
787 $(objcbfs)/%.elf: $(objcbfs)/%.debug $(objcbfs)/%.map
788 $(eval class := $(call find-class,$(@F)))
789 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
791 $(OBJCOPY_$(class)) --strip-debug $@.tmp
792 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
796 ###########################################################################
797 # Build the final rom image
798 ###########################################################################
800 # extract_nth - Return a subsection of the $file string
802 # the input string looks like this:
803 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
806 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
807 # 2 - Name of file in cbfs [$(FILENAME)-file]
808 # 3 - File type: [$(FILENAME)-type]
809 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
810 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
811 # mma, efi, deleted, null
812 # 4 - Compression type [$(FILENAME)-compression]
814 # 5 - Base address [$(FILANAME)-position]
815 # 6 - Alignment [$(FILENAME)-align]
816 # 7 - cbfstool flags [$(FILENAME)-options]
819 # $(1) = Section to extract
820 # $(2) = Input string
823 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
824 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
825 # 3) remove the leading and trailing '-' characters
826 # 4) replace all '*' characters with spaces
827 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
829 # regions-for-file - Returns a cbfstool regions parameter
830 # $(call regions-for-file,$(filename))
831 # returns "REGION1,REGION2,..."
833 # This is the default implementation. When using a boot strategy employing
834 # multiple CBFSes in fmap regions, override it.
835 regions-for-file ?= $(if $(value regions-for-file-$(1)), $(regions-for-file-$(1)), COREBOOT)
837 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
838 cbfs-autogen-attributes=-g
841 # cbfs-add-cmd-for-region
842 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
844 # CBFSTOOL_ADD_CMD_OPTIONS can be used by arch/SoC/mainboard to supply
845 # add commands with any additional arguments for cbfstool.
846 # Example: --ext-win-base <base> --ext-win-size <size>
847 define cbfs-add-cmd-for-region
849 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
850 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
851 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
852 -f $(call extract_nth,1,$(1)) \
853 -n $(call extract_nth,2,$(1)) \
854 $(if $(filter-out flat-binary payload stage,$(call \
855 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
856 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
857 $(cbfs-autogen-attributes) \
859 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
860 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
861 $(call extract_nth,7,$(1)) \
862 $(CBFSTOOL_ADD_CMD_OPTIONS)
865 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
869 # $(call cbfs-add-cmd,
870 # file in extract_nth format,
872 # non-empty if file removal requested)
874 printf " CBFS $(call extract_nth,2,$(1))\n"
875 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
876 $(call cbfs-add-cmd-for-region,$(1),$(2))
879 # list of files to add (using their file system names, not CBFS names),
880 # for dependencies etc.
881 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
884 # returns full list of fmap regions that we add files to
885 all-regions = $(sort $(subst $(comma),$(spc), \
886 $(foreach file,$(cbfs-files), \
887 $(call regions-for-file,$(call extract_nth,2,$(file))))))
889 # $(call all-files-in-region,region name)
890 # returns elements in $(cbfs-files) that end up in that region, in the order
891 # they appear in $(cbfs-files)
892 all-files-in-region = $(foreach file,$(cbfs-files), \
893 $(if $(filter $(1), \
894 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
897 # $(call update-file-for-region,file string from $(cbfs-files),region name)
898 # Update position and alignment according to overrides for region
899 # Doesn't check for invalid configurations (eg. resetting neither or both
900 # position and align)
901 # Returns the updated file string
902 update-file-for-region = \
903 $(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)))
905 # $(call placed-files-in-region,region name)
906 # like all-files-in-region, but updates the files to contain region overrides
907 # to position or alignment.
908 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
909 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
910 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
911 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
912 $(call update-file-for-region,$(file),$(1)), \
913 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
914 $(call update-file-for-region,$(file),$(1)), \
917 # $(call sort-files,subset of $(cbfs-files))
918 # reorders the files in the given set to list files at fixed positions first,
919 # followed by aligned files and finally those with no constraints.
921 $(eval _tmp_fixed:=) \
922 $(eval _tmp_aligned:=) \
923 $(eval _tmp_regular:=) \
924 $(foreach file,$(1), \
925 $(if $(call extract_nth,5,$(file)),\
926 $(eval _tmp_fixed += $(file)), \
927 $(if $(call extract_nth,6,$(file)), \
928 $(eval _tmp_aligned += $(file)), \
929 $(eval _tmp_regular += $(file))))) \
930 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
932 # command list to add files to CBFS
933 prebuild-files = $(foreach region,$(all-regions), \
935 $(call sort-files,$(call placed-files-in-region,$(region))), \
936 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
938 # If no FMD file (Flashmap) is supplied by mainboard, fall back to a default
939 ifeq ($(CONFIG_FMDFILE),)
941 ifeq ($(CONFIG_ARCH_X86),y)
943 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
944 # check if IFD_CHIPSET is set and if yes generate a FMAP template from IFD descriptor
945 ifneq ($(CONFIG_IFD_CHIPSET),)
946 ifeq ($(CONFIG_HAVE_IFD_BIN),y)
947 DEFAULT_FLASHMAP:=$(obj)/fmap-template.fmd
948 $(DEFAULT_FLASHMAP): $(call strip_quotes,$(CONFIG_IFD_BIN_PATH)) $(IFDTOOL)
949 echo " IFDTOOL -p $(CONFIG_IFD_CHIPSET) -F $@ $<"
950 $(IFDTOOL) -p $(CONFIG_IFD_CHIPSET) -F $@ $<
951 endif # ifeq($(CONFIG_HAVE_IFD_BIN),y)
952 endif # ifneq($(CONFIG_IFD_CHIPSET),)
955 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
956 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
957 # entire "BIOS" region (everything directly of concern to the host system)
958 # relative to ROM_BASE
959 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
960 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
961 # position and size of flashmap, relative to BIOS_BASE
964 # X86 CONSOLE FMAP region
966 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
968 FMAP_CURRENT_BASE := 0
970 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
971 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
972 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
973 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
974 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
976 FMAP_CONSOLE_ENTRY :=
979 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
980 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
981 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
982 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
983 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
985 FMAP_MRC_CACHE_ENTRY :=
988 ifeq ($(CONFIG_SMMSTORE),y)
989 FMAP_SMMSTORE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
990 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
991 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
992 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE))
994 FMAP_SMMSTORE_ENTRY :=
997 ifeq ($(CONFIG_SPD_CACHE_IN_FMAP),y)
998 FMAP_SPD_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
999 FMAP_SPD_CACHE_SIZE := $(call int-multiply, $(CONFIG_DIMM_MAX) $(CONFIG_DIMM_SPD_SIZE))
1000 FMAP_SPD_CACHE_SIZE := $(call int-align, $(FMAP_SPD_CACHE_SIZE), 0x1000)
1001 FMAP_SPD_CACHE_ENTRY := $(CONFIG_SPD_CACHE_FMAP_NAME)@$(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE)
1002 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE))
1004 FMAP_SPD_CACHE_ENTRY :=
1007 ifeq ($(CONFIG_VPD),y)
1008 FMAP_VPD_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
1009 FMAP_VPD_SIZE := $(CONFIG_VPD_FMAP_SIZE)
1010 FMAP_VPD_ENTRY := $(CONFIG_VPD_FMAP_NAME)@$(FMAP_VPD_BASE) $(FMAP_VPD_SIZE)
1011 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_VPD_BASE) $(FMAP_VPD_SIZE))
1021 FMAP_FMAP_BASE := $(FMAP_CURRENT_BASE)
1022 FMAP_FMAP_SIZE := 0x200
1025 # X86 COREBOOT default cbfs FMAP region
1027 # position and size of CBFS, relative to BIOS_BASE
1028 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1029 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1031 else # ifeq ($(CONFIG_ARCH_X86),y)
1033 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
1036 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
1037 # entire "BIOS" region (everything directly of concern to the host system)
1038 # relative to ROM_BASE
1040 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
1041 # position and size of flashmap, relative to BIOS_BASE
1042 FMAP_FMAP_BASE := 0x20000
1043 FMAP_FMAP_SIZE := 0x200
1045 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1048 # NON-X86 CONSOLE FMAP region
1050 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
1051 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
1052 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
1053 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
1054 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
1055 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
1057 FMAP_CONSOLE_ENTRY :=
1061 # NON-X86 RW_MRC_CACHE FMAP region
1063 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
1064 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1065 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1066 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
1067 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
1068 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
1070 FMAP_MRC_CACHE_ENTRY :=
1074 # NON-X86 COREBOOT default cbfs FMAP region
1076 # position and size of CBFS, relative to BIOS_BASE
1077 FMAP_CBFS_BASE := $(FMAP_CURRENT_BASE)
1078 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1080 endif # ifeq ($(CONFIG_ARCH_X86),y)
1082 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
1083 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
1084 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
1085 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
1086 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
1087 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
1088 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
1089 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
1090 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
1091 -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
1092 -e "s,##SPD_CACHE_ENTRY##,$(FMAP_SPD_CACHE_ENTRY)," \
1093 -e "s,##VPD_ENTRY##,$(FMAP_VPD_ENTRY)," \
1094 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
1095 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
1096 $(DEFAULT_FLASHMAP) > $@.tmp
1098 else # ifeq ($(CONFIG_FMDFILE),)
1099 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
1100 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
1102 endif # ifeq ($(CONFIG_FMDFILE),)
1104 # generated at the same time as fmap.fmap
1105 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1107 $(obj)/fmap.desc: $(obj)/fmap.fmap
1110 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1111 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1112 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1114 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1115 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1118 ifneq ($(CONFIG_ARCH_X86),y)
1119 add_bootblock = $(CBFSTOOL) $(1) write -u -r BOOTBLOCK -f $(2)
1122 # coreboot.pre doesn't follow the standard Make conventions. It gets modified
1123 # by multiple rules, and thus we can't compute the dependencies correctly.
1124 $(shell rm -f $(obj)/coreboot.pre)
1126 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1127 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL) $(obj)/fmap.fmap $(obj)/fmap.desc $(objcbfs)/bootblock.bin
1128 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1129 printf " BOOTBLOCK\n"
1130 $(call add_bootblock,$@.tmp,$(objcbfs)/bootblock.bin)
1131 $(prebuild-files) true
1133 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1134 .PHONY: $(obj)/coreboot.pre
1135 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1136 mv $(obj)/coreboot.rom $@.tmp || \
1137 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1138 echo "Exiting." && \
1140 $(prebuild-files) true
1142 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1144 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1145 REFCODE_BLOB=$(obj)/refcode.rmod
1146 $(REFCODE_BLOB): $(RMODTOOL)
1147 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1150 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1151 RAMSTAGE=$(objcbfs)/ramstage.elf
1156 add_intermediate = \
1157 $(1): $(obj)/coreboot.pre $(2) | $(INTERMEDIATE) \
1158 $(eval INTERMEDIATE+=$(1)) $(eval PHONY+=$(1))
1160 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(CBFSTOOL) $(IFITTOOL) $$(INTERMEDIATE)
1161 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1162 # The full ROM may be larger than the CBFS part, so create an empty
1163 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1164 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1165 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1166 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1167 # Print final FIT table
1168 $(IFITTOOL) -f $@.tmp -D -r COREBOOT
1169 # Print final TS BOOTBLOCK FIT table
1170 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1171 @printf " TOP SWAP FIT table\n"
1172 $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT
1173 endif # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK
1174 endif # CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE
1176 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1177 $(CBFSTOOL) $@ layout
1178 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1179 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1180 ifeq ($(CONFIG_CBFS_VERIFICATION),y)
1181 line=$$($(CBFSTOOL) $@ print -kv 2>/dev/null | grep -F '[CBFS VERIFICATION (COREBOOT)]') ;\
1182 if ! printf "$$line" | grep -q 'fully valid'; then \
1183 echo "CBFS verification error: $$line" ;\
1186 endif # CONFIG_CBFS_VERIFICATION
1188 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1189 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1190 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1191 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1192 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1193 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1195 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1196 # Use a 64 byte alignment to provide a minimum alignment
1197 # requirement for the overall romstage. While the first object within
1198 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1199 # won't decide the entire section should be aligned to a larger value. In the
1200 # future cbfstool should add XIP files proper and honor the alignment
1201 # requirements of the program segment.
1203 # Make sure that segment for .car.data is ignored while adding romstage.
1204 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1205 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1207 # If CAR does not support execution of code, romstage on x86 is expected to be
1209 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1210 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1212 # For efficient MTRR utilisation use natural alignment for romstage.
1213 ifeq ($(CONFIG_SETUP_XIP_CACHE),y)
1214 $(CONFIG_CBFS_PREFIX)/romstage-options += --pow2page
1215 endif # CONFIG_SETUP_XIP_CACHE
1217 endif # CONFIG_NO_XIP_EARLY_STAGES
1218 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1219 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y)
1220 $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB)
1223 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1224 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1225 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1226 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1227 # The AMD LPC SPI DMA controller requires source files to be 64 byte aligned.
1228 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
1229 $(CONFIG_CBFS_PREFIX)/ramstage-align := 64
1232 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1233 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1234 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1235 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1237 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1238 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1239 vgaroms/seavgabios.bin-type := raw
1241 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1242 config-file := $(DOTCONFIG):config
1244 config-compression := LZMA
1246 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1247 revision-file := $(obj)/build.h
1248 revision-type := raw
1250 cbfs-files-y += build_info
1251 build_info-file := $(obj)/build_info
1252 build_info-type := raw
1254 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1255 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1256 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1257 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1259 # Ensure that no payload segment overlaps with memory regions used by ramstage
1260 # (not for x86 since it can relocate itself in that case)
1261 ifneq ($(CONFIG_ARCH_X86),y)
1262 check-ramstage-overlap-regions := ramstage
1263 check-ramstage-overlap-files :=
1264 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1265 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1268 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1269 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1270 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1272 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1273 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p' | \
1276 $(call add_intermediate, check-ramstage-overlaps)
1277 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1278 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1279 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1281 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1282 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1284 for x in $$programs; do \
1285 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1286 pend=$$(($$pstart + $$x)) ; \
1287 rname= ; rstart= ; rend= ; \
1288 for y in $$regions ; do \
1289 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1290 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1292 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1293 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1294 $(check-ramstage-overlap-files) ; \
1297 rname= ; rstart= ; rend= ; \