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 $(call add-special-class,verstage_x86)
111 ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
112 verstage_x86-handler = $(eval verstage-y += $(2))
114 verstage_x86-handler =
117 # Add dynamic classes for rmodules
118 $(foreach supported_arch,$(ARCH_SUPPORTED), \
119 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
120 # Provide a macro to determine environment for free standing rmodules.
121 $(foreach supported_arch,$(ARCH_SUPPORTED), \
122 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
124 #######################################################################
125 # Helper functions for math, strings, and various file placement matters.
126 # macros work on all formats understood by printf(1)
127 # values are space separated if using more than one value
129 # int-add: adds an arbitrary length list of integers
130 # int-subtract: subtracts the second of two integers from the first
131 # int-multiply: multiplies an arbitrary length list of integers
132 # int-divide: divides the first integer by the second
133 # int-remainder: arithmetic remainder of the first number divided by the second
134 # int-shift-left: Shift $1 left by $2 bits
135 # int-lt: 1 if the first value is less than the second. 0 otherwise
136 # int-gt: 1 if the first values is greater than the second. 0 otherwise
137 # int-eq: 1 if the two values are equal. 0 otherwise
138 # int-align: align $1 to $2 units
139 # file-size: returns the filesize of the given file
140 # tolower: returns the value in all lowercase
141 # toupper: returns the value in all uppercase
142 # ws_to_under: returns the value with any whitespace changed to underscores
143 _toint=$(shell printf "%d" $1)
144 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
145 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
146 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
147 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
148 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
149 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
150 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
151 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
152 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
153 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
154 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
155 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
156 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
157 file-size=$(strip $(shell wc -c "$1" | cut -f 1 -d ' '))
158 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
159 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
160 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
162 #######################################################################
163 # Helper functions for ramstage postprocess
168 # Returns all files and dirs below `dir` (recursively).
169 # files-below-dir,dir,files
170 files-below-dir=$(filter $(1)%,$(2))
172 # Returns all dirs below `dir` (recursively).
173 # dirs-below-dir,dir,files
174 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
176 # Returns all files directly in `dir` (non-recursively).
177 # files-in-dir,dir,files
178 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
180 #######################################################################
181 # reduce command line length by linking the objects of each
182 # directory into an intermediate file
183 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
184 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
185 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
186 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
188 decompressor-generic-ccopts += -D__DECOMPRESSOR__
189 bootblock-generic-ccopts += -D__BOOTBLOCK__
190 romstage-generic-ccopts += -D__ROMSTAGE__
191 ramstage-generic-ccopts += -D__RAMSTAGE__
192 ifeq ($(CONFIG_COVERAGE),y)
193 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
196 ifneq ($(UPDATED_SUBMODULES),1)
197 $(info Updating git submodules.)
198 # try to fetch non-optional submodules if the source is under git
199 forgetthis:=$(shell git submodule update --init $(quiet_errors))
200 # Checkout Cmocka repository
201 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/cmocka $(quiet_errors))
202 ifeq ($(CONFIG_USE_BLOBS),y)
203 # These items are necessary because each has update=none in .gitmodules. They are ignored
204 # until expressly requested and enabled with --checkout
205 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/blobs $(quiet_errors))
206 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/intel-microcode $(quiet_errors))
207 ifeq ($(CONFIG_FSP_USE_REPO),y)
208 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/fsp $(quiet_errors))
210 ifeq ($(CONFIG_USE_AMD_BLOBS),y)
211 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/amd_blobs $(quiet_errors))
213 ifeq ($(CONFIG_USE_QC_BLOBS),y)
214 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/qc_blobs $(quiet_errors))
217 UPDATED_SUBMODULES:=1
218 COREBOOT_EXPORTS += UPDATED_SUBMODULES
223 postcar-c-deps:=$$(OPTION_TABLE_H)
224 ramstage-c-deps:=$$(OPTION_TABLE_H)
225 romstage-c-deps:=$$(OPTION_TABLE_H)
226 verstage-c-deps:=$$(OPTION_TABLE_H)
227 bootblock-c-deps:=$$(OPTION_TABLE_H)
228 $(foreach type,ads adb, \
229 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
230 $(eval $(stage)-$(type)-deps := \
231 $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
232 $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
234 # Add handler to copy linker scripts
235 define generic-objs_ld_template_gen
236 de$(EMPTY)fine $(1)-objs_ld_template
237 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h $(obj)/fmap_config.h
238 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
239 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
243 # Add handler to deal with archives
244 define generic-objs_a_template_gen
245 de$(EMPTY)fine $(1)-objs_a_template
246 $$(call src-to-obj,$1,$$(1).a): $$(1).a
247 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
248 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
253 # Add handler to add no rules for manual files
254 define generic-objs_manual_template_gen
258 #######################################################################
259 # Add handler to compile ACPI's ASL
260 # arg1: base file name
261 # arg2: y or n for including in cbfs. defaults to y
263 # Empty resource templates were marked as a warning in IASL with the comment
264 # "This would appear to be worthless in real-world ASL code.", which is
265 # possibly true in many cases. In other cases it seems that an empty
266 # ResourceTemplate is the correct code.
267 # As it's valid ASL, disable the warning.
268 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
270 IASL_WARNINGS_LIST = $(EMPTY_RESOURCE_TEMPLATE_WARNING)
272 IGNORED_IASL_WARNINGS = $(addprefix -vw , $(IASL_WARNINGS_LIST))
275 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
276 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
277 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
278 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
279 $(CONFIG_CBFS_PREFIX)/$(1).aml-align = 64
281 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
282 -include $(obj)/$(1).d
283 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
284 @printf " IASL $$(subst $(top)/,,$$(@))\n"
285 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
286 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
287 echo " IASL "$(IASL_WARNINGS_LIST)" warning types were ignored!"
288 if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \
289 echo " IASL $$@ disassembled correctly."; \
292 echo "Error: Could not correctly disassemble $$@"; \
298 #######################################################################
299 # Parse plaintext CMOS defaults into binary format
301 # arg2: binary file name
302 cbfs-files-processor-nvramtool= \
303 $(eval $(2): $(1) $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) | $(objutil)/nvramtool/nvramtool ; \
304 printf " CREATE $(2) (from $(1))\n"; \
305 $(objutil)/nvramtool/nvramtool -y $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) -D $(2).tmp -p $(1) && \
308 #######################################################################
309 # Reduce a .config file by removing lines about unset booleans
312 define cbfs-files-processor-config
313 $(eval $(2): $(1) $(obj)/build.h; \
314 +printf " CREATE $(2) (from $(1))\n"; \
315 printf "# This image was built using coreboot " > $(2).tmp && \
316 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
317 sed -e '/^CONFIG/!d' $(1) >> $(2).tmp && \
318 \mv -f $(2).tmp $(2))
321 #######################################################################
322 # Compile a C file with a bare struct definition into binary
323 # arg1: C source file
325 cbfs-files-processor-struct= \
326 $(eval $(2): $(1) $(obj)/build.h $(obj)/fmap_config.h $(KCONFIG_AUTOHEADER); \
327 printf " CC+STRIP $(1)\n"; \
328 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) --param asan-globals=0 $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
329 $(OBJCOPY_ramstage) -O binary --only-section='.data*' --only-section='.bss*' --set-section-flags .bss*=alloc,contents,load $(2).tmp $(2); \
331 $(eval DEPENDENCIES += $(2).d)
333 #######################################################################
334 # Add handler for arbitrary files in CBFS
335 $(call add-special-class,cbfs-files)
336 cbfs-files-handler= \
337 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
338 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
339 $(eval tmp-cbfs-file:= ) \
341 $(if $(wildcard $(1)$($(2)-file)), \
342 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
343 $(eval tmp-cbfs-file:= $($(2)-file)))) \
344 $(if $(strip $($(2)-required)), \
345 $(if $(wildcard $(tmp-cbfs-file)),, \
346 $(info This build configuration requires $($(2)-required)) \
347 $(eval FAILBUILD:=1) \
349 $(if $(strip $($(2)-align)), \
350 $(if $(strip $($(2)-position)), \
351 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
352 $(eval FAILBUILD:=1) \
354 $(if $(tmp-cbfs-method), \
355 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
356 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
357 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
358 $(if $(tmp-cbfs-file), \
359 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
360 $(eval $(2)-name:=) \
361 $(eval $(2)-type:=) \
362 $(eval $(2)-compression:=) \
363 $(eval $(2)-position:=) \
364 $(eval $(2)-required:=) \
365 $(eval $(2)-options:=) \
368 #######################################################################
369 # a variety of flags for our build
370 CBFS_COMPRESS_FLAG:=none
371 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
372 CBFS_COMPRESS_FLAG:=LZMA
375 CBFS_PAYLOAD_COMPRESS_FLAG:=none
376 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
377 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
379 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
380 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
383 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
384 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
385 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
388 CBFS_PRERAM_COMPRESS_FLAG:=none
389 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
390 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
393 ifneq ($(CONFIG_LOCALVERSION),"")
394 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
395 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
398 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -Isrc/commonlib/bsd/include -I$(obj)
399 VBOOT_SOURCE ?= 3rdparty/vboot
400 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
401 CPPFLAGS_common += -include $(src)/include/kconfig.h
402 CPPFLAGS_common += -include $(src)/include/rules.h
403 CPPFLAGS_common += -include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h
404 CPPFLAGS_common += -I3rdparty
405 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
407 ifeq ($(BUILD_TIMELESS),1)
408 CPPFLAGS_common += -D__TIMELESS__
411 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
412 CPPFLAGS_ramstage += -Isrc/device/oprom/include
415 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
416 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
417 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
418 CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla -Wold-style-definition
419 CFLAGS_common += -Wdangling-else
420 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
421 CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie
422 ifeq ($(CONFIG_COMPILER_GCC),y)
423 # Don't add these GCC specific flags when running scan-build
424 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
425 CFLAGS_common += -Wno-packed-not-aligned
426 CFLAGS_common += -fconserve-stack
427 CFLAGS_common += -Wnull-dereference -Wreturn-type
428 CFLAGS_common += -Wlogical-op -Wduplicated-cond -Wno-array-compare
429 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
430 CFLAGS_common += -Wno-unused-but-set-variable
434 ADAFLAGS_common += -gnatp
435 ADAFLAGS_common += -Wuninitialized -Wall -Werror
436 ADAFLAGS_common += -pipe -g -nostdinc
437 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
438 ADAFLAGS_common += -fno-common -fomit-frame-pointer
439 ADAFLAGS_common += -ffunction-sections -fdata-sections
440 ADAFLAGS_common += -fno-pie
441 # Ada warning options:
443 # a Activate most optional warnings.
444 # .e Activate every optional warnings.
445 # e Treat warnings and style checks as errors.
447 # D Suppress warnings on implicit dereferences:
448 # As SPARK does not accept access types we have to map the
449 # dynamically chosen register locations to a static SPARK
452 # .H Suppress warnings on holes/gaps in records:
453 # We are modelling hardware here!
455 # H Suppress warnings on hiding:
456 # It's too annoying, you run out of ideas for identifiers fast.
458 # T Suppress warnings for tracking of deleted conditional code:
459 # We use static options to select code paths at compile time.
461 # U Suppress warnings on unused entities:
462 # Would have lots of warnings for unused register definitions,
463 # `withs` for debugging etc.
465 # .U Deactivate warnings on unordered enumeration types:
466 # As SPARK doesn't support `pragma Ordered` by now, we don't
469 # .W Suppress warnings on unnecessary Warnings Off pragmas:
470 # Things get really messy when you use different compiler
471 # versions, otherwise.
472 # .Y Disable information messages for why package spec needs body:
473 # Those messages are annoying. But don't forget to enable those,
474 # if you need the information.
475 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
476 # Disable style checks for now
477 ADAFLAGS_common += -gnatyN
479 LDFLAGS_common := --gc-sections -nostdlib --nmagic -static
481 # Workaround for RISC-V linker bug, merge back into above line when fixed.
482 # https://sourceware.org/bugzilla/show_bug.cgi?id=27180
483 ifneq ($(CONFIG_ARCH_RISCV),y)
484 LDFLAGS_common += --emit-relocs
487 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
488 CFLAGS_common += -Werror
490 ifneq ($(GDB_DEBUG),)
492 ADAFLAGS_common += -Og
495 ADAFLAGS_common += -Os
498 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
499 ADAFLAGS_common += -gnata
502 additional-dirs += $(objutil)/cbfstool $(objutil)/ifdtool \
503 $(objutil)/options $(objutil)/amdfwtool \
504 $(objutil)/cbootimage
506 export $(COREBOOT_EXPORTS)
508 #######################################################################
509 # generate build support files
511 build_h := $(obj)/build.h
513 # We have to manually export variables that `genbuild_h.sh` uses
514 # when we call it through the `$(shell)` function. This is fragile
515 # but as variables newly added to `genbuild_h.sh` would just not
516 # work, we'd notice that instantly at least.
517 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
519 # Report new `build.ht` as dependency if `build.h` differs.
521 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
522 util/genbuild_h/genbuild_h.sh $(xcompile) \
523 >$(build_h)t 2>/dev/null; \
524 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
526 $(build_h): $$(shell $$(build_h_check))
527 @printf " GEN build.h\n"
531 @echo 'COREBOOT_VERSION: $(call strip_quotes,$(KERNELVERSION))' > $@.tmp
532 @echo 'MAINBOARD_VENDOR: $(call strip_quotes,$(CONFIG_MAINBOARD_VENDOR))' >> $@.tmp
533 @echo 'MAINBOARD_PART_NUMBER: $(call strip_quotes,$(CONFIG_MAINBOARD_PART_NUMBER))' >> $@.tmp
536 #######################################################################
538 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
539 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
540 RMODTOOL:=$(objutil)/cbfstool/rmodtool
541 IFWITOOL:=$(objutil)/cbfstool/ifwitool
542 IFITTOOL:=$(objutil)/cbfstool/ifittool
543 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
544 CSE_FPT:=$(objutil)/cbfstool/cse_fpt
545 CSE_SERGER:=$(objutil)/cbfstool/cse_serger
547 $(obj)/cbfstool: $(CBFSTOOL)
550 $(obj)/fmaptool: $(FMAPTOOL)
553 $(obj)/rmodtool: $(RMODTOOL)
556 $(obj)/ifwitool: $(IFWITOOL)
559 $(obj)/ifittool: $(IFITTOOL)
562 $(obj)/amdcompress: $(AMDCOMPRESS)
565 $(obj)/cse_fpt: $(CSE_FPT)
568 $(obj)/cse_serger: $(CSE_SERGER)
571 _WINCHECK=$(shell uname -o 2> /dev/null)
573 ifeq ($(_WINCHECK),Msys)
574 STACK=-Wl,--stack,16384000
576 ifeq ($(_WINCHECK),Cygwin)
577 STACK=-Wl,--stack,16384000
580 BINCFG:=$(objutil)/bincfg/bincfg
582 IFDTOOL:=$(objutil)/ifdtool/ifdtool
584 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
585 AMDFWREAD:=$(objutil)/amdfwtool/amdfwread
587 APCB_EDIT_TOOL:=$(top)/util/apcb/apcb_edit.py
589 APCB_V3_EDIT_TOOL:=$(top)/util/apcb/apcb_v3_edit.py
591 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
593 FUTILITY?=$(objutil)/futility/futility
595 subdirs-y += util/nvidia
597 $(obj)/config.h: $(objutil)/kconfig/conf
599 #######################################################################
600 # needed objects that every mainboard uses
601 # Creation of these is architecture and mainboard independent
602 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
604 SCONFIG_OPTIONS := --mainboard_devtree=$(DEVICETREE_FILE)
606 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
607 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
608 SCONFIG_OPTIONS += --override_devtree=$(OVERRIDE_DEVICETREE_FILE)
611 ifneq ($(CONFIG_CHIPSET_DEVICETREE),)
612 CHIPSET_DEVICETREE_FILE := $(src)/$(CONFIG_CHIPSET_DEVICETREE)
613 SCONFIG_OPTIONS += --chipset_devtree=$(CHIPSET_DEVICETREE_FILE)
616 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
617 SCONFIG_OPTIONS += --output_c=$(DEVICETREE_STATIC_C)
619 DEVICETREE_STATIC_H := $(obj)/static.h
620 SCONFIG_OPTIONS += --output_h=$(DEVICETREE_STATIC_H)
622 DEVICETREE_DEVICENAMES_H := $(obj)/static_devices.h
623 SCONFIG_OPTIONS += --output_d=$(DEVICETREE_DEVICENAMES_H)
625 DEVICETREE_FWCONFIG_H := $(obj)/static_fw_config.h
626 SCONFIG_OPTIONS += --output_f=$(DEVICETREE_FWCONFIG_H)
628 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(CHIPSET_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
629 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
630 mkdir -p $(dir $(DEVICETREE_STATIC_C))
631 $(objutil)/sconfig/sconfig $(SCONFIG_OPTIONS)
633 ramstage-y+=$(DEVICETREE_STATIC_C)
634 romstage-y+=$(DEVICETREE_STATIC_C)
635 verstage-y+=$(DEVICETREE_STATIC_C)
636 bootblock-y+=$(DEVICETREE_STATIC_C)
637 postcar-y+=$(DEVICETREE_STATIC_C)
638 smm-y+=$(DEVICETREE_STATIC_C)
640 # Ensure static.c and static.h are created before any objects are compiled
641 ramstage-c-deps+=$(DEVICETREE_STATIC_C)
642 romstage-c-deps+=$(DEVICETREE_STATIC_C)
643 verstage-c-deps+=$(DEVICETREE_STATIC_C)
644 bootblock-c-deps+=$(DEVICETREE_STATIC_C)
645 postcar-c-deps+=$(DEVICETREE_STATIC_C)
646 smm-c-deps+=$(DEVICETREE_STATIC_C)
649 devicetree: $(DEVICETREE_STATIC_C)
651 ramstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
652 romstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
653 bootblock-y += $(CONFIG_MEMLAYOUT_LD_FILE)
654 verstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
655 postcar-y += $(CONFIG_MEMLAYOUT_LD_FILE)
656 decompressor-y += $(CONFIG_MEMLAYOUT_LD_FILE)
658 #######################################################################
661 rm -rf coreboot-builds
663 #######################################################################
664 # Development utilities
667 @echo ldscripts=$(ldscripts)
670 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
673 grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
675 util/lint/check-style
679 util/gitconfig/gitconfig.sh "$(MAKE)"
681 install-git-commit-clangfmt:
682 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
684 include util/crossgcc/Makefile.inc
687 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)
689 ###########################################################################
690 # Common recipes for all stages
691 ###########################################################################
693 # loadaddr can determine the load address of a stage, which may be needed for
694 # platform-specific image headers (only works *after* the stage has been built)
695 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
696 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
698 # find-substr is required for stages like romstage_null and romstage_xip to
699 # eliminate the _* part of the string
700 find-substr = $(word 1,$(subst _, ,$(1)))
702 # find-class is used to identify the class from the name of the stage
703 # The input to this macro can be something like romstage.x or romstage.x.y
704 # find-class recursively strips off the suffixes to extract the exact class name
705 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
706 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
707 # and remove .x the next time and finally return romstage
708 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
710 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
711 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
712 # include the bss section in the binary so the BootROM clears the bss on
713 # loading of the bootblock stage. Achieve this by marking the bss section
714 # loadable,allocatable, and data. Do the same for the .data section in case
715 # the linker marked it NOBITS automatically because there are only zeroes in it.
716 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
718 # For Intel TXT files in the CBFS needs to be marked as 'Initial Boot Block'.
719 # As CBFS attributes aren't cheap, only mark them if TXT is enabled.
720 ifeq ($(CONFIG_INTEL_TXT),y)
730 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
732 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
733 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
734 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
735 $(OBJCOPY_bootblock) -O binary $@.tmp
736 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
740 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
741 # Makefiles wrapping the bootblock in a header can always key off the same file.
742 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
743 @printf " OBJCOPY $(notdir $(@))\n"
744 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
746 else # CONFIG_COMPRESS_BOOTBLOCK
748 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
749 @printf " OBJCOPY $(notdir $(@))\n"
750 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
752 endif # CONFIG_COMPRESS_BOOTBLOCK
754 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
755 @printf " OBJCOPY $(notdir $(@))\n"
756 $(OBJCOPY_bootblock) -O binary $< $@
758 ifneq ($(CONFIG_HAVE_BOOTBLOCK),y)
759 $(objcbfs)/bootblock.bin:
760 dd if=/dev/zero of=$@ bs=64 count=1
763 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
766 $(objcbfs)/%.map: $(objcbfs)/%.debug
767 $(eval class := $(call find-class,$(@F)))
768 $(NM_$(class)) -n $< | sort > $(basename $@).map
770 $(objcbfs)/%.elf: $(objcbfs)/%.debug $(objcbfs)/%.map
771 $(eval class := $(call find-class,$(@F)))
772 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
774 $(OBJCOPY_$(class)) --strip-debug $@.tmp
775 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
779 ###########################################################################
780 # Build the final rom image
781 ###########################################################################
783 # extract_nth - Return a subsection of the $file string
785 # the input string looks like this:
786 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
789 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
790 # 2 - Name of file in cbfs [$(FILENAME)-file]
791 # 3 - File type: [$(FILENAME)-type]
792 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
793 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
794 # mma, efi, deleted, null
795 # 4 - Compression type [$(FILENAME)-compression]
797 # 5 - Base address [$(FILANAME)-position]
798 # 6 - Alignment [$(FILENAME)-align]
799 # 7 - cbfstool flags [$(FILENAME)-options]
802 # $(1) = Section to extract
803 # $(2) = Input string
806 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
807 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
808 # 3) remove the leading and trailing '-' characters
809 # 4) replace all '*' characters with spaces
810 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
812 # regions-for-file - Returns a cbfstool regions parameter
813 # $(call regions-for-file,$(filename))
814 # returns "REGION1,REGION2,..."
816 # This is the default implementation. When using a boot strategy employing
817 # multiple CBFSes in fmap regions, override it.
818 regions-for-file ?= COREBOOT
820 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
821 cbfs-autogen-attributes=-g
824 # cbfs-add-cmd-for-region
825 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
827 # CBFSTOOL_ADD_CMD_OPTIONS can be used by arch/SoC/mainboard to supply
828 # add commands with any additional arguments for cbfstool.
829 # Example: --ext-win-base <base> --ext-win-size <size>
830 define cbfs-add-cmd-for-region
832 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
833 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
834 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
835 -f $(call extract_nth,1,$(1)) \
836 -n $(call extract_nth,2,$(1)) \
837 $(if $(filter-out flat-binary payload stage,$(call \
838 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
839 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
840 $(cbfs-autogen-attributes) \
842 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
843 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
844 $(call extract_nth,7,$(1)) \
845 $(CBFSTOOL_ADD_CMD_OPTIONS)
848 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
852 # $(call cbfs-add-cmd,
853 # file in extract_nth format,
855 # non-empty if file removal requested)
857 printf " CBFS $(call extract_nth,2,$(1))\n"
858 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
859 $(call cbfs-add-cmd-for-region,$(1),$(2))
862 # list of files to add (using their file system names, not CBFS names),
863 # for dependencies etc.
864 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
867 # returns full list of fmap regions that we add files to
868 all-regions = $(sort $(subst $(comma),$(spc), \
869 $(foreach file,$(cbfs-files), \
870 $(call regions-for-file,$(call extract_nth,2,$(file))))))
872 # $(call all-files-in-region,region name)
873 # returns elements in $(cbfs-files) that end up in that region, in the order
874 # they appear in $(cbfs-files)
875 all-files-in-region = $(foreach file,$(cbfs-files), \
876 $(if $(filter $(1), \
877 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
880 # $(call update-file-for-region,file string from $(cbfs-files),region name)
881 # Update position and alignment according to overrides for region
882 # Doesn't check for invalid configurations (eg. resetting neither or both
883 # position and align)
884 # Returns the updated file string
885 update-file-for-region = \
886 $(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)))
888 # $(call placed-files-in-region,region name)
889 # like all-files-in-region, but updates the files to contain region overrides
890 # to position or alignment.
891 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
892 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
893 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
894 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
895 $(call update-file-for-region,$(file),$(1)), \
896 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
897 $(call update-file-for-region,$(file),$(1)), \
900 # $(call sort-files,subset of $(cbfs-files))
901 # reorders the files in the given set to list files at fixed positions first,
902 # followed by aligned files and finally those with no constraints.
904 $(eval _tmp_fixed:=) \
905 $(eval _tmp_aligned:=) \
906 $(eval _tmp_regular:=) \
907 $(foreach file,$(1), \
908 $(if $(call extract_nth,5,$(file)),\
909 $(eval _tmp_fixed += $(file)), \
910 $(if $(call extract_nth,6,$(file)), \
911 $(eval _tmp_aligned += $(file)), \
912 $(eval _tmp_regular += $(file))))) \
913 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
915 # command list to add files to CBFS
916 prebuild-files = $(foreach region,$(all-regions), \
918 $(call sort-files,$(call placed-files-in-region,$(region))), \
919 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
921 ifeq ($(CONFIG_FMDFILE),)
922 # For a description of the flash layout described by these variables, check
923 # the $(DEFAULT_FLASHMAP) .fmd files.
924 ifeq ($(CONFIG_ARCH_X86),y)
925 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
927 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
928 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
929 # entire "BIOS" region (everything directly of concern to the host system)
930 # relative to ROM_BASE
931 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
932 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
933 # position and size of flashmap, relative to BIOS_BASE
936 # X86 CONSOLE FMAP region
938 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
940 FMAP_CURRENT_BASE := 0
942 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
943 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
944 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
945 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
946 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
948 FMAP_CONSOLE_ENTRY :=
951 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
952 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
953 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
954 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
955 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
957 FMAP_MRC_CACHE_ENTRY :=
960 ifeq ($(CONFIG_SMMSTORE),y)
961 FMAP_SMMSTORE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
962 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
963 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
964 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE))
966 FMAP_SMMSTORE_ENTRY :=
969 ifeq ($(CONFIG_SPD_CACHE_IN_FMAP),y)
970 FMAP_SPD_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
971 FMAP_SPD_CACHE_SIZE := $(call int-multiply, $(CONFIG_DIMM_MAX) $(CONFIG_DIMM_SPD_SIZE))
972 FMAP_SPD_CACHE_SIZE := $(call int-align, $(FMAP_SPD_CACHE_SIZE), 0x1000)
973 FMAP_SPD_CACHE_ENTRY := $(CONFIG_SPD_CACHE_FMAP_NAME)@$(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE)
974 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE))
976 FMAP_SPD_CACHE_ENTRY :=
979 ifeq ($(CONFIG_VPD),y)
980 FMAP_VPD_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
981 FMAP_VPD_SIZE := $(CONFIG_VPD_FMAP_SIZE)
982 FMAP_VPD_ENTRY := $(CONFIG_VPD_FMAP_NAME)@$(FMAP_VPD_BASE) $(FMAP_VPD_SIZE)
983 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_VPD_BASE) $(FMAP_VPD_SIZE))
993 FMAP_FMAP_BASE := $(FMAP_CURRENT_BASE)
994 FMAP_FMAP_SIZE := 0x200
997 # X86 COREBOOT default cbfs FMAP region
999 # position and size of CBFS, relative to BIOS_BASE
1000 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1001 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1003 else # ifeq ($(CONFIG_ARCH_X86),y)
1005 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
1008 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
1009 # entire "BIOS" region (everything directly of concern to the host system)
1010 # relative to ROM_BASE
1012 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
1013 # position and size of flashmap, relative to BIOS_BASE
1014 FMAP_FMAP_BASE := 0x20000
1015 FMAP_FMAP_SIZE := 0x200
1017 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1020 # NON-X86 CONSOLE FMAP region
1022 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
1023 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
1024 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
1025 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
1026 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
1027 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
1029 FMAP_CONSOLE_ENTRY :=
1033 # NON-X86 RW_MRC_CACHE FMAP region
1035 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
1036 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1037 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1038 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
1039 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
1040 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
1042 FMAP_MRC_CACHE_ENTRY :=
1046 # NON-X86 COREBOOT default cbfs FMAP region
1048 # position and size of CBFS, relative to BIOS_BASE
1049 FMAP_CBFS_BASE := $(FMAP_CURRENT_BASE)
1050 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1052 endif # ifeq ($(CONFIG_ARCH_X86),y)
1054 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
1055 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
1056 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
1057 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
1058 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
1059 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
1060 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
1061 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
1062 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
1063 -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
1064 -e "s,##SPD_CACHE_ENTRY##,$(FMAP_SPD_CACHE_ENTRY)," \
1065 -e "s,##VPD_ENTRY##,$(FMAP_VPD_ENTRY)," \
1066 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
1067 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
1068 $(DEFAULT_FLASHMAP) > $@.tmp
1070 else # ifeq ($(CONFIG_FMDFILE),)
1071 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
1072 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
1074 endif # ifeq ($(CONFIG_FMDFILE),)
1076 # generated at the same time as fmap.fmap
1077 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1079 $(obj)/fmap.desc: $(obj)/fmap.fmap
1082 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1083 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1084 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1086 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1087 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1090 ifneq ($(CONFIG_ARCH_X86),y)
1091 add_bootblock = $(CBFSTOOL) $(1) write -u -r BOOTBLOCK -f $(2)
1094 # coreboot.pre doesn't follow the standard Make conventions. It gets modified
1095 # by multiple rules, and thus we can't compute the dependencies correctly.
1096 $(shell rm -f $(obj)/coreboot.pre)
1098 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1099 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL) $(obj)/fmap.fmap $(obj)/fmap.desc $(objcbfs)/bootblock.bin
1100 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1101 printf " BOOTBLOCK\n"
1102 $(call add_bootblock,$@.tmp,$(objcbfs)/bootblock.bin)
1103 $(prebuild-files) true
1105 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1106 .PHONY: $(obj)/coreboot.pre
1107 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1108 mv $(obj)/coreboot.rom $@.tmp || \
1109 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1110 echo "Exiting." && \
1112 $(prebuild-files) true
1114 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1116 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1117 REFCODE_BLOB=$(obj)/refcode.rmod
1118 $(REFCODE_BLOB): $(RMODTOOL)
1119 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1122 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1123 RAMSTAGE=$(objcbfs)/ramstage.elf
1128 add_intermediate = \
1129 $(1): $(obj)/coreboot.pre $(2) | $(INTERMEDIATE) \
1130 $(eval INTERMEDIATE+=$(1)) $(eval PHONY+=$(1))
1132 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(CBFSTOOL) $(IFITTOOL) $$(INTERMEDIATE)
1133 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1134 # The full ROM may be larger than the CBFS part, so create an empty
1135 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1136 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1137 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1138 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1139 # Print final FIT table
1140 $(IFITTOOL) -f $@.tmp -D -r COREBOOT
1141 # Print final TS BOOTBLOCK FIT table
1142 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1143 @printf " TOP SWAP FIT table\n"
1144 $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT
1145 endif # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK
1146 endif # CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE
1148 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1149 $(CBFSTOOL) $@ layout
1150 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1151 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1152 ifeq ($(CONFIG_CBFS_VERIFICATION),y)
1153 line=$$($(CBFSTOOL) $@ print -kv 2>/dev/null | grep -F '[CBFS VERIFICATION (COREBOOT)]') ;\
1154 if ! printf "$$line" | grep -q 'fully valid'; then \
1155 echo "CBFS verification error: $$line" ;\
1158 endif # CONFIG_CBFS_VERIFICATION
1160 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1161 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1162 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1163 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1164 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1165 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1167 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1168 # Use a 64 byte alignment to provide a minimum alignment
1169 # requirement for the overall romstage. While the first object within
1170 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1171 # won't decide the entire section should be aligned to a larger value. In the
1172 # future cbfstool should add XIP files proper and honor the alignment
1173 # requirements of the program segment.
1175 # Make sure that segment for .car.data is ignored while adding romstage.
1176 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1177 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1179 # If CAR does not support execution of code, romstage on x86 is expected to be
1181 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1182 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1184 # For efficient MTRR utilisation use natural alignment for romstage.
1185 ifeq ($(CONFIG_SETUP_XIP_CACHE),y)
1186 $(CONFIG_CBFS_PREFIX)/romstage-options += --pow2page
1187 endif # CONFIG_SETUP_XIP_CACHE
1189 endif # CONFIG_NO_XIP_EARLY_STAGES
1190 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1191 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y)
1192 $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB)
1195 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1196 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1197 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1198 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1199 # The AMD LPC SPI DMA controller requires source files to be 64 byte aligned.
1200 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
1201 $(CONFIG_CBFS_PREFIX)/ramstage-align := 64
1204 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1205 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1206 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1207 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1209 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1210 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1211 vgaroms/seavgabios.bin-type := raw
1213 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1214 config-file := $(DOTCONFIG):config
1216 config-compression := LZMA
1218 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1219 revision-file := $(obj)/build.h
1220 revision-type := raw
1222 cbfs-files-y += build_info
1223 build_info-file := $(obj)/build_info
1224 build_info-type := raw
1226 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1227 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1228 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1229 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1231 # Ensure that no payload segment overlaps with memory regions used by ramstage
1232 # (not for x86 since it can relocate itself in that case)
1233 ifneq ($(CONFIG_ARCH_X86),y)
1234 check-ramstage-overlap-regions := ramstage
1235 check-ramstage-overlap-files :=
1236 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1237 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1240 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1241 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1242 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1244 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1245 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p' | \
1248 $(call add_intermediate, check-ramstage-overlaps)
1249 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1250 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1251 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1253 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1254 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1256 for x in $$programs; do \
1257 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1258 pend=$$(($$pstart + $$x)) ; \
1259 rname= ; rstart= ; rend= ; \
1260 for y in $$regions ; do \
1261 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1262 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1264 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1265 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1266 $(check-ramstage-overlap-files) ; \
1269 rname= ; rstart= ; rend= ; \