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-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
84 subdirs-y += $(wildcard src/soc/*) $(wildcard src/soc/*/common) $(filter-out $(wildcard src/soc/*/common),$(wildcard src/soc/*/*))
85 subdirs-y += $(wildcard src/northbridge/*/*)
86 subdirs-y += $(filter-out src/superio/common,$(wildcard src/superio/*)) $(wildcard src/superio/*/*)
87 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*)
88 subdirs-y += src/cpu src/vendorcode
89 subdirs-y += util/cbfstool util/sconfig util/nvramtool util/pgtblgen util/amdfwtool
90 subdirs-y += util/futility util/marvell util/bincfg util/supermicro util/qemu
91 subdirs-y += util/ifdtool
92 subdirs-y += $(wildcard src/arch/*)
93 subdirs-y += src/mainboard/$(MAINBOARDDIR)
94 subdirs-y += src/security
95 subdirs-y += payloads payloads/external
96 subdirs-$(CONFIG_SBOM) += src/sbom
98 subdirs-y += site-local
99 subdirs-y += util/checklist util/testing
101 #######################################################################
102 # Add source classes and their build options
103 classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
105 # Add a special 'all' class to add sources to all stages
106 $(call add-special-class,all)
107 all-handler = $(foreach class,bootblock verstage romstage postcar ramstage,$(eval $(class)-y += $(2)))
109 $(call add-special-class,verstage_x86)
110 ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
111 verstage_x86-handler = $(eval verstage-y += $(2))
113 verstage_x86-handler =
116 # Add dynamic classes for rmodules
117 $(foreach supported_arch,$(ARCH_SUPPORTED), \
118 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
119 # Provide a macro to determine environment for free standing rmodules.
120 $(foreach supported_arch,$(ARCH_SUPPORTED), \
121 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
123 #######################################################################
124 # Helper functions for math, strings, and various file placement matters.
125 # macros work on all formats understood by printf(1)
126 # values are space separated if using more than one value
128 # int-add: adds an arbitrary length list of integers
129 # int-subtract: subtracts the second of two integers from the first
130 # int-multiply: multiplies an arbitrary length list of integers
131 # int-divide: divides the first integer by the second
132 # int-remainder: arithmetic remainder of the first number divided by the second
133 # int-shift-left: Shift $1 left by $2 bits
134 # int-lt: 1 if the first value is less than the second. 0 otherwise
135 # int-gt: 1 if the first values is greater than the second. 0 otherwise
136 # int-eq: 1 if the two values are equal. 0 otherwise
137 # int-align: align $1 to $2 units
138 # file-size: returns the filesize of the given file
139 # tolower: returns the value in all lowercase
140 # toupper: returns the value in all uppercase
141 # ws_to_under: returns the value with any whitespace changed to underscores
142 _toint=$(shell printf "%d" $1)
143 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
144 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
145 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
146 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
147 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
148 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
149 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
150 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
151 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
152 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
153 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
154 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
155 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
156 file-size=$(strip $(shell wc -c "$1" | cut -f 1 -d ' '))
157 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
158 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
159 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
161 #######################################################################
162 # Helper functions for ramstage postprocess
167 # Returns all files and dirs below `dir` (recursively).
168 # files-below-dir,dir,files
169 files-below-dir=$(filter $(1)%,$(2))
171 # Returns all dirs below `dir` (recursively).
172 # dirs-below-dir,dir,files
173 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
175 # Returns all files directly in `dir` (non-recursively).
176 # files-in-dir,dir,files
177 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
179 #######################################################################
180 # reduce command line length by linking the objects of each
181 # directory into an intermediate file
182 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
183 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
184 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
185 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
187 decompressor-generic-ccopts += -D__DECOMPRESSOR__
188 bootblock-generic-ccopts += -D__BOOTBLOCK__
189 romstage-generic-ccopts += -D__ROMSTAGE__
190 ramstage-generic-ccopts += -D__RAMSTAGE__
191 ifeq ($(CONFIG_COVERAGE),y)
192 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
195 ifneq ($(UPDATED_SUBMODULES),1)
196 $(info Updating git submodules.)
197 # try to fetch non-optional submodules if the source is under git
198 forgetthis:=$(shell git submodule update --init $(quiet_errors))
199 # Checkout Cmocka repository
200 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/cmocka $(quiet_errors))
201 ifeq ($(CONFIG_USE_BLOBS),y)
202 # These items are necessary because each has update=none in .gitmodules. They are ignored
203 # until expressly requested and enabled with --checkout
204 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/blobs $(quiet_errors))
205 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/intel-microcode $(quiet_errors))
206 ifeq ($(CONFIG_FSP_USE_REPO),y)
207 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/fsp $(quiet_errors))
209 ifeq ($(CONFIG_USE_AMD_BLOBS),y)
210 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/amd_blobs $(quiet_errors))
212 ifeq ($(CONFIG_USE_QC_BLOBS),y)
213 forgetthis:=$(shell git submodule update --init --checkout 3rdparty/qc_blobs $(quiet_errors))
216 UPDATED_SUBMODULES:=1
217 COREBOOT_EXPORTS += UPDATED_SUBMODULES
222 postcar-c-deps:=$$(OPTION_TABLE_H)
223 ramstage-c-deps:=$$(OPTION_TABLE_H)
224 romstage-c-deps:=$$(OPTION_TABLE_H)
225 verstage-c-deps:=$$(OPTION_TABLE_H)
226 bootblock-c-deps:=$$(OPTION_TABLE_H)
227 $(foreach type,ads adb, \
228 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
229 $(eval $(stage)-$(type)-deps := \
230 $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
231 $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
233 # Add handler to copy linker scripts
234 define generic-objs_ld_template_gen
235 de$(EMPTY)fine $(1)-objs_ld_template
236 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h $(obj)/fmap_config.h
237 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
238 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
242 # Add handler to deal with archives
243 define generic-objs_a_template_gen
244 de$(EMPTY)fine $(1)-objs_a_template
245 $$(call src-to-obj,$1,$$(1).a): $$(1).a
246 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
247 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
252 # Add handler to add no rules for manual files
253 define generic-objs_manual_template_gen
257 #######################################################################
258 # Add handler to compile ACPI's ASL
259 # arg1: base file name
260 # arg2: y or n for including in cbfs. defaults to y
262 # Empty resource templates were marked as a warning in IASL with the comment
263 # "This would appear to be worthless in real-world ASL code.", which is
264 # possibly true in many cases. In other cases it seems that an empty
265 # ResourceTemplate is the correct code.
266 # As it's valid ASL, disable the warning.
267 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
268 # IASL compiler check for usage of _CRS, _DIS, _PRS, and _SRS objects:
269 # 1) If _PRS is present, must have _CRS and _SRS
270 # 2) If _SRS is present, must have _PRS (_PRS requires _CRS and _SRS)
271 # 3) If _DIS is present, must have _SRS (_SRS requires _PRS, _PRS requires _CRS and _SRS)
272 # 4) If _SRS is present, probably should have a _DIS (Remark only)
273 # A warning will be issued for each of these cases.
274 # For existing ASL code, ignore this warnings
275 IASL_MISSING_DEPENDENCY = 3141
277 IASL_WARNINGS_LIST = $(EMPTY_RESOURCE_TEMPLATE_WARNING)
279 ifeq ($(CONFIG_IGNORE_IASL_MISSING_DEPENDENCY),y)
280 IASL_WARNINGS_LIST += $(IASL_MISSING_DEPENDENCY)
282 printf "*** WARNING: The ASL code for this platform is incomplete. Please fix it. ***\n"
283 printf "*** If _PRS is present, must have _CRS and _SRS ***\n"
284 printf "*** If _SRS is present, must have _PRS and _CRS ***\n"
285 printf "*** If _DIS is present, must have _SRS, _PRS and _CRS ***\n"
288 IGNORED_IASL_WARNINGS = $(addprefix -vw , $(IASL_WARNINGS_LIST))
291 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
292 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
293 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
294 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
295 $(CONFIG_CBFS_PREFIX)/$(1).aml-align = 64
297 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
298 -include $(obj)/$(1).d
299 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
300 @printf " IASL $$(subst $(top)/,,$$(@))\n"
301 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
302 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
303 echo " IASL "$(IASL_WARNINGS_LIST)" warning types were ignored!"
304 if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \
305 echo " IASL $$@ disassembled correctly."; \
308 echo "Error: Could not correctly disassemble $$@"; \
314 #######################################################################
315 # Parse plaintext CMOS defaults into binary format
317 # arg2: binary file name
318 cbfs-files-processor-nvramtool= \
319 $(eval $(2): $(1) $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) | $(objutil)/nvramtool/nvramtool ; \
320 printf " CREATE $(2) (from $(1))\n"; \
321 $(objutil)/nvramtool/nvramtool -y $(top)/$(call strip_quotes,$(CONFIG_CMOS_LAYOUT_FILE)) -D $(2).tmp -p $(1) && \
324 #######################################################################
325 # Reduce a .config file to its minimal representation
328 define cbfs-files-processor-defconfig
329 $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
330 +printf " CREATE $(2) (from $(1))\n"; \
331 printf "# This image was built using coreboot " > $(2).tmp && \
332 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
333 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
334 cat $(2).tmp2 >> $(2).tmp && \
336 \mv -f $(2).tmp $(2))
339 #######################################################################
340 # Compile a C file with a bare struct definition into binary
341 # arg1: C source file
343 cbfs-files-processor-struct= \
344 $(eval $(2): $(1) $(obj)/build.h $(obj)/fmap_config.h $(KCONFIG_AUTOHEADER); \
345 printf " CC+STRIP $(1)\n"; \
346 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) --param asan-globals=0 $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
347 $(OBJCOPY_ramstage) -O binary --only-section='.data*' --only-section='.bss*' --set-section-flags .bss*=alloc,contents,load $(2).tmp $(2); \
349 $(eval DEPENDENCIES += $(2).d)
351 #######################################################################
352 # Add handler for arbitrary files in CBFS
353 $(call add-special-class,cbfs-files)
354 cbfs-files-handler= \
355 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
356 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
357 $(eval tmp-cbfs-file:= ) \
359 $(if $(wildcard $(1)$($(2)-file)), \
360 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
361 $(eval tmp-cbfs-file:= $($(2)-file)))) \
362 $(if $(strip $($(2)-required)), \
363 $(if $(wildcard $(tmp-cbfs-file)),, \
364 $(info This build configuration requires $($(2)-required)) \
365 $(eval FAILBUILD:=1) \
367 $(if $(strip $($(2)-align)), \
368 $(if $(strip $($(2)-position)), \
369 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
370 $(eval FAILBUILD:=1) \
372 $(if $(tmp-cbfs-method), \
373 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
374 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
375 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
376 $(if $(tmp-cbfs-file), \
377 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
378 $(eval $(2)-name:=) \
379 $(eval $(2)-type:=) \
380 $(eval $(2)-compression:=) \
381 $(eval $(2)-position:=) \
382 $(eval $(2)-required:=) \
383 $(eval $(2)-options:=) \
386 #######################################################################
387 # a variety of flags for our build
388 CBFS_COMPRESS_FLAG:=none
389 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
390 CBFS_COMPRESS_FLAG:=LZMA
393 CBFS_PAYLOAD_COMPRESS_FLAG:=none
394 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
395 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
397 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
398 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
401 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
402 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
403 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
406 CBFS_PRERAM_COMPRESS_FLAG:=none
407 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
408 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
411 ifneq ($(CONFIG_LOCALVERSION),"")
412 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
413 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
416 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -Isrc/commonlib/bsd/include -I$(obj)
417 VBOOT_SOURCE ?= 3rdparty/vboot
418 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
419 CPPFLAGS_common += -include $(src)/include/kconfig.h
420 CPPFLAGS_common += -include $(src)/include/rules.h
421 CPPFLAGS_common += -include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h
422 CPPFLAGS_common += -I3rdparty
423 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
425 ifeq ($(BUILD_TIMELESS),1)
426 CPPFLAGS_common += -D__TIMELESS__
429 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
430 CPPFLAGS_ramstage += -Isrc/device/oprom/include
433 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
434 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
435 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
436 CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla
437 CFLAGS_common += -Wdangling-else
438 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
439 CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie
440 ifeq ($(CONFIG_COMPILER_GCC),y)
441 # Don't add these GCC specific flags when running scan-build
442 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
443 CFLAGS_common += -Wno-packed-not-aligned
444 CFLAGS_common += -fconserve-stack
445 CFLAGS_common += -Wnull-dereference -Wreturn-type
446 CFLAGS_common += -Wlogical-op -Wduplicated-cond -Wno-array-compare
447 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
448 CFLAGS_common += -Wno-unused-but-set-variable
452 ADAFLAGS_common += -gnatp
453 ADAFLAGS_common += -Wuninitialized -Wall -Werror
454 ADAFLAGS_common += -pipe -g -nostdinc
455 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
456 ADAFLAGS_common += -fno-common -fomit-frame-pointer
457 ADAFLAGS_common += -ffunction-sections -fdata-sections
458 ADAFLAGS_common += -fno-pie
459 # Ada warning options:
461 # a Activate most optional warnings.
462 # .e Activate every optional warnings.
463 # e Treat warnings and style checks as errors.
465 # D Suppress warnings on implicit dereferences:
466 # As SPARK does not accept access types we have to map the
467 # dynamically chosen register locations to a static SPARK
470 # .H Suppress warnings on holes/gaps in records:
471 # We are modelling hardware here!
473 # H Suppress warnings on hiding:
474 # It's too annoying, you run out of ideas for identifiers fast.
476 # T Suppress warnings for tracking of deleted conditional code:
477 # We use static options to select code paths at compile time.
479 # U Suppress warnings on unused entities:
480 # Would have lots of warnings for unused register definitions,
481 # `withs` for debugging etc.
483 # .U Deactivate warnings on unordered enumeration types:
484 # As SPARK doesn't support `pragma Ordered` by now, we don't
487 # .W Suppress warnings on unnecessary Warnings Off pragmas:
488 # Things get really messy when you use different compiler
489 # versions, otherwise.
490 # .Y Disable information messages for why package spec needs body:
491 # Those messages are annoying. But don't forget to enable those,
492 # if you need the information.
493 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
494 # Disable style checks for now
495 ADAFLAGS_common += -gnatyN
497 LDFLAGS_common := --gc-sections -nostdlib --nmagic -static
499 # Workaround for RISC-V linker bug, merge back into above line when fixed.
500 # https://sourceware.org/bugzilla/show_bug.cgi?id=27180
501 ifneq ($(CONFIG_ARCH_RISCV),y)
502 LDFLAGS_common += --emit-relocs
505 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
506 CFLAGS_common += -Werror
508 ifneq ($(GDB_DEBUG),)
510 ADAFLAGS_common += -Og
513 ADAFLAGS_common += -Os
516 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
517 ADAFLAGS_common += -gnata
520 additional-dirs += $(objutil)/cbfstool $(objutil)/ifdtool \
521 $(objutil)/options $(objutil)/amdfwtool \
522 $(objutil)/cbootimage
524 export $(COREBOOT_EXPORTS)
526 #######################################################################
527 # generate build support files
529 build_h := $(obj)/build.h
531 # We have to manually export variables that `genbuild_h.sh` uses
532 # when we call it through the `$(shell)` function. This is fragile
533 # but as variables newly added to `genbuild_h.sh` would just not
534 # work, we'd notice that instantly at least.
535 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
537 # Report new `build.ht` as dependency if `build.h` differs.
539 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
540 util/genbuild_h/genbuild_h.sh $(xcompile) \
541 >$(build_h)t 2>/dev/null; \
542 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
544 $(build_h): $$(shell $$(build_h_check))
545 @printf " GEN build.h\n"
549 @echo 'COREBOOT_VERSION: $(call strip_quotes,$(KERNELVERSION))' > $@.tmp
550 @echo 'MAINBOARD_VENDOR: $(call strip_quotes,$(CONFIG_MAINBOARD_VENDOR))' >> $@.tmp
551 @echo 'MAINBOARD_PART_NUMBER: $(call strip_quotes,$(CONFIG_MAINBOARD_PART_NUMBER))' >> $@.tmp
554 #######################################################################
556 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
557 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
558 RMODTOOL:=$(objutil)/cbfstool/rmodtool
559 IFWITOOL:=$(objutil)/cbfstool/ifwitool
560 IFITTOOL:=$(objutil)/cbfstool/ifittool
561 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
562 CSE_FPT:=$(objutil)/cbfstool/cse_fpt
563 CSE_SERGER:=$(objutil)/cbfstool/cse_serger
565 $(obj)/cbfstool: $(CBFSTOOL)
568 $(obj)/fmaptool: $(FMAPTOOL)
571 $(obj)/rmodtool: $(RMODTOOL)
574 $(obj)/ifwitool: $(IFWITOOL)
577 $(obj)/ifittool: $(IFITTOOL)
580 $(obj)/amdcompress: $(AMDCOMPRESS)
583 $(obj)/cse_fpt: $(CSE_FPT)
586 $(obj)/cse_serger: $(CSE_SERGER)
589 _WINCHECK=$(shell uname -o 2> /dev/null)
591 ifeq ($(_WINCHECK),Msys)
592 STACK=-Wl,--stack,16384000
594 ifeq ($(_WINCHECK),Cygwin)
595 STACK=-Wl,--stack,16384000
598 BINCFG:=$(objutil)/bincfg/bincfg
600 IFDTOOL:=$(objutil)/ifdtool/ifdtool
602 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
604 APCB_EDIT_TOOL:=$(top)/util/apcb/apcb_edit.py
606 APCB_V3_EDIT_TOOL:=$(top)/util/apcb/apcb_v3_edit.py
608 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
610 FUTILITY?=$(objutil)/futility/futility
612 subdirs-y += util/nvidia
614 $(obj)/config.h: $(objutil)/kconfig/conf
616 #######################################################################
617 # needed objects that every mainboard uses
618 # Creation of these is architecture and mainboard independent
619 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
621 SCONFIG_OPTIONS := --mainboard_devtree=$(DEVICETREE_FILE)
623 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
624 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
625 SCONFIG_OPTIONS += --override_devtree=$(OVERRIDE_DEVICETREE_FILE)
628 ifneq ($(CONFIG_CHIPSET_DEVICETREE),)
629 CHIPSET_DEVICETREE_FILE := $(src)/$(CONFIG_CHIPSET_DEVICETREE)
630 SCONFIG_OPTIONS += --chipset_devtree=$(CHIPSET_DEVICETREE_FILE)
633 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
634 SCONFIG_OPTIONS += --output_c=$(DEVICETREE_STATIC_C)
636 DEVICETREE_STATIC_H := $(obj)/static.h
637 SCONFIG_OPTIONS += --output_h=$(DEVICETREE_STATIC_H)
639 DEVICETREE_DEVICENAMES_H := $(obj)/static_devices.h
640 SCONFIG_OPTIONS += --output_d=$(DEVICETREE_DEVICENAMES_H)
642 DEVICETREE_FWCONFIG_H := $(obj)/static_fw_config.h
643 SCONFIG_OPTIONS += --output_f=$(DEVICETREE_FWCONFIG_H)
645 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(CHIPSET_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
646 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
647 mkdir -p $(dir $(DEVICETREE_STATIC_C))
648 $(objutil)/sconfig/sconfig $(SCONFIG_OPTIONS)
650 ramstage-y+=$(DEVICETREE_STATIC_C)
651 romstage-y+=$(DEVICETREE_STATIC_C)
652 verstage-y+=$(DEVICETREE_STATIC_C)
653 bootblock-y+=$(DEVICETREE_STATIC_C)
654 postcar-y+=$(DEVICETREE_STATIC_C)
655 smm-y+=$(DEVICETREE_STATIC_C)
657 # Ensure static.c and static.h are created before any objects are compiled
658 ramstage-c-deps+=$(DEVICETREE_STATIC_C)
659 romstage-c-deps+=$(DEVICETREE_STATIC_C)
660 verstage-c-deps+=$(DEVICETREE_STATIC_C)
661 bootblock-c-deps+=$(DEVICETREE_STATIC_C)
662 postcar-c-deps+=$(DEVICETREE_STATIC_C)
663 smm-c-deps+=$(DEVICETREE_STATIC_C)
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)
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 ?= 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 ifeq ($(CONFIG_FMDFILE),)
939 # For a description of the flash layout described by these variables, check
940 # the $(DEFAULT_FLASHMAP) .fmd files.
941 ifeq ($(CONFIG_ARCH_X86),y)
942 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
944 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
945 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
946 # entire "BIOS" region (everything directly of concern to the host system)
947 # relative to ROM_BASE
948 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
949 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
950 # position and size of flashmap, relative to BIOS_BASE
953 # X86 CONSOLE FMAP region
955 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
957 FMAP_CURRENT_BASE := 0
959 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
960 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
961 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
962 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
963 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
965 FMAP_CONSOLE_ENTRY :=
968 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
969 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
970 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
971 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
972 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
974 FMAP_MRC_CACHE_ENTRY :=
977 ifeq ($(CONFIG_SMMSTORE),y)
978 FMAP_SMMSTORE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
979 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
980 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
981 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE))
983 FMAP_SMMSTORE_ENTRY :=
986 ifeq ($(CONFIG_SPD_CACHE_IN_FMAP),y)
987 FMAP_SPD_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
988 FMAP_SPD_CACHE_SIZE := $(call int-multiply, $(CONFIG_DIMM_MAX) $(CONFIG_DIMM_SPD_SIZE))
989 FMAP_SPD_CACHE_SIZE := $(call int-align, $(FMAP_SPD_CACHE_SIZE), 0x1000)
990 FMAP_SPD_CACHE_ENTRY := $(CONFIG_SPD_CACHE_FMAP_NAME)@$(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE)
991 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE))
993 FMAP_SPD_CACHE_ENTRY :=
996 ifeq ($(CONFIG_VPD),y)
997 FMAP_VPD_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
998 FMAP_VPD_SIZE := $(CONFIG_VPD_FMAP_SIZE)
999 FMAP_VPD_ENTRY := $(CONFIG_VPD_FMAP_NAME)@$(FMAP_VPD_BASE) $(FMAP_VPD_SIZE)
1000 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_VPD_BASE) $(FMAP_VPD_SIZE))
1010 FMAP_FMAP_BASE := $(FMAP_CURRENT_BASE)
1011 FMAP_FMAP_SIZE := 0x200
1014 # X86 COREBOOT default cbfs FMAP region
1016 # position and size of CBFS, relative to BIOS_BASE
1017 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1018 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1020 else # ifeq ($(CONFIG_ARCH_X86),y)
1022 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
1025 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
1026 # entire "BIOS" region (everything directly of concern to the host system)
1027 # relative to ROM_BASE
1029 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
1030 # position and size of flashmap, relative to BIOS_BASE
1031 FMAP_FMAP_BASE := 0x20000
1032 FMAP_FMAP_SIZE := 0x200
1034 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1037 # NON-X86 CONSOLE FMAP region
1039 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
1040 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
1041 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
1042 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
1043 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
1044 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
1046 FMAP_CONSOLE_ENTRY :=
1050 # NON-X86 RW_MRC_CACHE FMAP region
1052 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
1053 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1054 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1055 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
1056 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
1057 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
1059 FMAP_MRC_CACHE_ENTRY :=
1063 # NON-X86 COREBOOT default cbfs FMAP region
1065 # position and size of CBFS, relative to BIOS_BASE
1066 FMAP_CBFS_BASE := $(FMAP_CURRENT_BASE)
1067 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1069 endif # ifeq ($(CONFIG_ARCH_X86),y)
1071 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
1072 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
1073 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
1074 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
1075 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
1076 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
1077 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
1078 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
1079 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
1080 -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
1081 -e "s,##SPD_CACHE_ENTRY##,$(FMAP_SPD_CACHE_ENTRY)," \
1082 -e "s,##VPD_ENTRY##,$(FMAP_VPD_ENTRY)," \
1083 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
1084 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
1085 $(DEFAULT_FLASHMAP) > $@.tmp
1087 else # ifeq ($(CONFIG_FMDFILE),)
1088 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
1089 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
1091 endif # ifeq ($(CONFIG_FMDFILE),)
1093 # generated at the same time as fmap.fmap
1094 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1096 $(obj)/fmap.desc: $(obj)/fmap.fmap
1099 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1100 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1101 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1103 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1104 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1107 ifneq ($(CONFIG_ARCH_X86),y)
1108 add_bootblock = $(CBFSTOOL) $(1) write -u -r BOOTBLOCK -f $(2)
1111 # coreboot.pre doesn't follow the standard Make conventions. It gets modified
1112 # by multiple rules, and thus we can't compute the dependencies correctly.
1113 $(shell rm -f $(obj)/coreboot.pre)
1115 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1116 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL) $(obj)/fmap.fmap $(obj)/fmap.desc $(objcbfs)/bootblock.bin
1117 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1118 printf " BOOTBLOCK\n"
1119 $(call add_bootblock,$@.tmp,$(objcbfs)/bootblock.bin)
1120 $(prebuild-files) true
1122 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1123 .PHONY: $(obj)/coreboot.pre
1124 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1125 mv $(obj)/coreboot.rom $@.tmp || \
1126 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1127 echo "Exiting." && \
1129 $(prebuild-files) true
1131 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1133 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1134 REFCODE_BLOB=$(obj)/refcode.rmod
1135 $(REFCODE_BLOB): $(RMODTOOL)
1136 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1139 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1140 RAMSTAGE=$(objcbfs)/ramstage.elf
1145 add_intermediate = \
1146 $(1): $(obj)/coreboot.pre $(2) | $(INTERMEDIATE) \
1147 $(eval INTERMEDIATE+=$(1)) $(eval PHONY+=$(1))
1149 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(CBFSTOOL) $(IFITTOOL) $$(INTERMEDIATE)
1150 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1151 # The full ROM may be larger than the CBFS part, so create an empty
1152 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1153 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1154 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1155 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1156 # Print final FIT table
1157 $(IFITTOOL) -f $@.tmp -D -r COREBOOT
1158 # Print final TS BOOTBLOCK FIT table
1159 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1160 @printf " TOP SWAP FIT table\n"
1161 $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT
1162 endif # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK
1163 endif # CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE
1165 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1166 $(CBFSTOOL) $@ layout
1167 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1168 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1169 ifeq ($(CONFIG_CBFS_VERIFICATION),y)
1170 line=$$($(CBFSTOOL) $@ print -kv 2>/dev/null | grep -F '[CBFS VERIFICATION (COREBOOT)]') ;\
1171 if ! printf "$$line" | grep -q 'fully valid'; then \
1172 echo "CBFS verification error: $$line" ;\
1175 endif # CONFIG_CBFS_VERIFICATION
1177 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1178 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1179 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1180 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1181 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1182 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1184 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1185 # Use a 64 byte alignment to provide a minimum alignment
1186 # requirement for the overall romstage. While the first object within
1187 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1188 # won't decide the entire section should be aligned to a larger value. In the
1189 # future cbfstool should add XIP files proper and honor the alignment
1190 # requirements of the program segment.
1192 # Make sure that segment for .car.data is ignored while adding romstage.
1193 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1194 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1196 # If CAR does not support execution of code, romstage on x86 is expected to be
1198 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1199 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1201 # For efficient MTRR utilisation use natural alignment for romstage.
1202 ifeq ($(CONFIG_SETUP_XIP_CACHE),y)
1203 $(CONFIG_CBFS_PREFIX)/romstage-options += --pow2page
1204 endif # CONFIG_SETUP_XIP_CACHE
1206 endif # CONFIG_NO_XIP_EARLY_STAGES
1207 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1208 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y)
1209 $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB)
1212 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1213 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1214 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1215 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1216 # The AMD LPC SPI DMA controller requires source files to be 64 byte aligned.
1217 ifeq ($(CONFIG_SOC_AMD_COMMON_BLOCK_LPC_SPI_DMA),y)
1218 $(CONFIG_CBFS_PREFIX)/ramstage-align := 64
1221 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1222 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1223 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1224 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1226 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1227 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1228 vgaroms/seavgabios.bin-type := raw
1230 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1231 config-file := $(DOTCONFIG):defconfig
1234 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1235 revision-file := $(obj)/build.h
1236 revision-type := raw
1238 cbfs-files-y += build_info
1239 build_info-file := $(obj)/build_info
1240 build_info-type := raw
1242 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1243 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1244 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1245 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1247 # Ensure that no payload segment overlaps with memory regions used by ramstage
1248 # (not for x86 since it can relocate itself in that case)
1249 ifneq ($(CONFIG_ARCH_X86),y)
1250 check-ramstage-overlap-regions := ramstage
1251 check-ramstage-overlap-files :=
1252 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1253 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1256 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1257 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1258 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1260 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1261 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p' | \
1264 $(call add_intermediate, check-ramstage-overlaps)
1265 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1266 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1267 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1269 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1270 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1272 for x in $$programs; do \
1273 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1274 pend=$$(($$pstart + $$x)) ; \
1275 rname= ; rstart= ; rend= ; \
1276 for y in $$regions ; do \
1277 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1278 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1280 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1281 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1282 $(check-ramstage-overlap-files) ; \
1285 rname= ; rstart= ; rend= ; \