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 COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR
40 ## Final build results, which CBFSTOOL uses to create the final
41 ## rom image file, are placed under $(objcbfs).
42 ## These typically have suffixes .debug .elf .bin and .map
43 objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
44 COREBOOT_EXPORTS += objcbfs
46 ## Based on the active configuration, Makefile conditionally collects
47 ## the required assembly includes and saves them in a file.
48 ## Such files that do not have a clear one-to-one relation to a source
49 ## file under src/ are placed and built under $(objgenerated)
50 objgenerated := $(obj)/generated
51 COREBOOT_EXPORTS += objgenerated
53 ## CCACHE_EXTRAFILES can be set by individual rules to help CCACHE
54 ## discover dependencies it might not notice on its own (e.g. asm (".incbin")).
55 COREBOOT_EXPORTS += CCACHE_EXTRAFILES
57 #######################################################################
58 # root rule to resolve if in build mode (ie. configuration exists)
59 real-target: $(obj)/config.h coreboot files_added
60 coreboot: build-dirs $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool
62 # This target can be used in site local to run scripts or additional
63 # targets after the build completes by creating a Makefile.inc in the
64 # site-local directory with a target named 'build_complete::'
65 build_complete:: coreboot
66 printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \
67 $(CONFIG_MAINBOARD_PART_NUMBER)
69 # This target can be used to run rules after all files were added to CBFS,
70 # for example to process FMAP regions or the entire image.
71 files_added:: build_complete
73 #######################################################################
75 PHONY+= clean-abuild coreboot check-style build-dirs build_complete
77 #######################################################################
78 # root source directories of coreboot
79 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi
80 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
81 subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
82 subdirs-y += src/superio
83 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*)
84 subdirs-y += src/cpu src/vendorcode
85 subdirs-y += util/cbfstool util/sconfig util/nvramtool util/pgtblgen util/amdfwtool
86 subdirs-y += util/futility util/marvell util/bincfg util/supermicro util/qemu
87 subdirs-y += $(wildcard src/arch/*)
88 subdirs-y += src/mainboard/$(MAINBOARDDIR)
89 subdirs-y += src/security
90 subdirs-y += payloads payloads/external
92 subdirs-y += site-local
93 subdirs-y += util/checklist util/testing
95 #######################################################################
96 # Add source classes and their build options
97 classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
99 # Add a special 'all' class to add sources to all stages
100 $(call add-special-class,all)
101 all-handler = $(foreach class,bootblock verstage romstage postcar ramstage,$(eval $(class)-y += $(2)))
103 $(call add-special-class,verstage_x86)
104 ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
105 verstage_x86-handler = $(eval verstage-y += $(2))
107 verstage_x86-handler =
110 # Add dynamic classes for rmodules
111 $(foreach supported_arch,$(ARCH_SUPPORTED), \
112 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
113 # Provide a macro to determine environment for free standing rmodules.
114 $(foreach supported_arch,$(ARCH_SUPPORTED), \
115 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
117 #######################################################################
118 # Helper functions for math, strings, and various file placement matters.
119 # macros work on all formats understood by printf(1)
120 # values are space separated if using more than one value
122 # int-add: adds an arbitrary length list of integers
123 # int-subtract: subtracts the second of two integers from the first
124 # int-multiply: multiplies an arbitrary length list of integers
125 # int-divide: divides the first integer by the second
126 # int-remainder: arithmetic remainder of the first number divided by the second
127 # int-shift-left: Shift $1 left by $2 bits
128 # int-lt: 1 if the first value is less than the second. 0 otherwise
129 # int-gt: 1 if the first values is greater than the second. 0 otherwise
130 # int-eq: 1 if the two values are equal. 0 otherwise
131 # int-align: align $1 to $2 units
132 # file-size: returns the filesize of the given file
133 # tolower: returns the value in all lowercase
134 # toupper: returns the value in all uppercase
135 # ws_to_under: returns the value with any whitespace changed to underscores
136 _toint=$(shell printf "%d" $1)
137 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
138 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
139 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
140 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
141 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
142 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
143 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
144 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
145 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
146 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
147 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
148 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
149 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
150 file-size=$(strip $(shell cat $1 | wc -c))
151 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
152 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
153 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
155 #######################################################################
156 # Helper functions for ramstage postprocess
161 # Returns all files and dirs below `dir` (recursively).
162 # files-below-dir,dir,files
163 files-below-dir=$(filter $(1)%,$(2))
165 # Returns all dirs below `dir` (recursively).
166 # dirs-below-dir,dir,files
167 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
169 # Returns all files directly in `dir` (non-recursively).
170 # files-in-dir,dir,files
171 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
173 #######################################################################
174 # reduce command line length by linking the objects of each
175 # directory into an intermediate file
176 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
177 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
178 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
179 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
181 decompressor-generic-ccopts += -D__DECOMPRESSOR__
182 bootblock-generic-ccopts += -D__BOOTBLOCK__
183 romstage-generic-ccopts += -D__ROMSTAGE__
184 ramstage-generic-ccopts += -D__RAMSTAGE__
185 ifeq ($(CONFIG_TRACE),y)
186 ramstage-c-ccopts += -finstrument-functions
188 ifeq ($(CONFIG_COVERAGE),y)
189 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
192 ifneq ($(UPDATED_SUBMODULES),1)
193 # try to fetch non-optional submodules if the source is under git
194 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
195 ifeq ($(CONFIG_USE_BLOBS),y)
196 # These items are necessary because each has update=none in .gitmodules. They are ignored
197 # until expressly requested and enabled with --checkout
198 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
199 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/intel-microcode))
200 ifeq ($(CONFIG_FSP_USE_REPO),y)
201 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/fsp))
203 ifeq ($(CONFIG_USE_AMD_BLOBS),y)
204 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/amd_blobs))
206 ifeq ($(CONFIG_USE_QC_BLOBS),y)
207 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/qc_blobs))
210 UPDATED_SUBMODULES:=1
211 COREBOOT_EXPORTS += UPDATED_SUBMODULES
214 postcar-c-deps:=$$(OPTION_TABLE_H)
215 ramstage-c-deps:=$$(OPTION_TABLE_H)
216 romstage-c-deps:=$$(OPTION_TABLE_H)
217 verstage-c-deps:=$$(OPTION_TABLE_H)
218 bootblock-c-deps:=$$(OPTION_TABLE_H)
219 $(foreach type,ads adb, \
220 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
221 $(eval $(stage)-$(type)-deps := \
222 $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
223 $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
225 # Add handler to copy linker scripts
226 define generic-objs_ld_template_gen
227 de$(EMPTY)fine $(1)-objs_ld_template
228 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h $(obj)/fmap_config.h
229 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
230 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
234 # Add handler to deal with archives
235 define generic-objs_a_template_gen
236 de$(EMPTY)fine $(1)-objs_a_template
237 $$(call src-to-obj,$1,$$(1).a): $$(1).a
238 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
239 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
244 # Add handler to add no rules for manual files
245 define generic-objs_manual_template_gen
249 #######################################################################
250 # Add handler to compile ACPI's ASL
251 # arg1: base file name
252 # arg2: y or n for including in cbfs. defaults to y
254 # Empty resource templates were marked as a warning in IASL with the comment
255 # "This would appear to be worthless in real-world ASL code.", which is
256 # possibly true in many cases. In other cases it seems that an empty
257 # ResourceTemplate is the correct code.
258 # As it's valid ASL, disable the warning.
259 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
260 # Redundant offset remarks are not useful in any way and are masking useful
261 # ones that might indicate an issue so it is better to hide them.
262 REDUNDANT_OFFSET_REMARK = 2158
263 # Ignore _HID & _ADR coexisting in Intel Lynxpoint and Broadwell ASL code.
264 # See cb:38803 & cb:38802
265 # "Multiple types (Device object requires either a _HID or _ADR, but not both)"
266 MULTIPLE_TYPES_WARNING = 3073
268 IASL_WARNINGS_LIST = $(EMPTY_RESOURCE_TEMPLATE_WARNING) $(REDUNDANT_OFFSET_REMARK)
270 ifeq ($(CONFIG_SOUTHBRIDGE_INTEL_LYNXPOINT)$(CONFIG_SOC_INTEL_BROADWELL),y)
271 IASL_WARNINGS_LIST += $(MULTIPLE_TYPES_WARNING)
274 IGNORED_IASL_WARNINGS = $(addprefix -vw , $(IASL_WARNINGS_LIST))
277 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
278 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
279 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
280 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
281 -include $(obj)/$(1).d
282 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
283 @printf " IASL $$(subst $(top)/,,$$(@))\n"
284 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
285 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
286 echo " IASL "$(IASL_WARNINGS_LIST)" warning types were ignored!"
287 if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \
288 echo " IASL $$@ disassembled correctly."; \
291 echo "Error: Could not correctly disassemble $$@"; \
297 #######################################################################
298 # Parse plaintext CMOS defaults into binary format
300 # arg2: binary file name
301 cbfs-files-processor-nvramtool= \
302 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
303 printf " CREATE $(2) (from $(1))\n"; \
304 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
307 #######################################################################
308 # Link VSA binary to ELF-ish stage
310 # arg2: binary file name
311 cbfs-files-processor-vsa= \
312 $(eval $(2): $(1) ; \
313 printf " CREATE $(2) (from $(1))\n"; \
314 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
315 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
317 #######################################################################
318 # Reduce a .config file to its minimal representation
321 define cbfs-files-processor-defconfig
322 $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
323 +printf " CREATE $(2) (from $(1))\n"; \
324 printf "# This image was built using coreboot " > $(2).tmp && \
325 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
326 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
327 cat $(2).tmp2 >> $(2).tmp && \
329 \mv -f $(2).tmp $(2))
332 #######################################################################
333 # Compile a C file with a bare struct definition into binary
334 # arg1: C source file
336 cbfs-files-processor-struct= \
337 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
338 printf " CC+STRIP $(@)\n"; \
339 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
340 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
342 $(eval DEPENDENCIES += $(2).d)
344 #######################################################################
345 # Add handler for arbitrary files in CBFS
346 $(call add-special-class,cbfs-files)
347 cbfs-files-handler= \
348 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
349 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
350 $(eval tmp-cbfs-file:= ) \
352 $(if $(wildcard $(1)$($(2)-file)), \
353 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
354 $(eval tmp-cbfs-file:= $($(2)-file)))) \
355 $(if $(strip $($(2)-required)), \
356 $(if $(wildcard $(tmp-cbfs-file)),, \
357 $(info This build configuration requires $($(2)-required)) \
358 $(eval FAILBUILD:=1) \
360 $(if $(strip $($(2)-align)), \
361 $(if $(strip $($(2)-position)), \
362 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
363 $(eval FAILBUILD:=1) \
365 $(if $(tmp-cbfs-method), \
366 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
367 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
368 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
369 $(if $(tmp-cbfs-file), \
370 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
371 $(eval $(2)-name:=) \
372 $(eval $(2)-type:=) \
373 $(eval $(2)-compression:=) \
374 $(eval $(2)-position:=) \
375 $(eval $(2)-required:=) \
376 $(eval $(2)-options:=) \
379 #######################################################################
380 # a variety of flags for our build
381 CBFS_COMPRESS_FLAG:=none
382 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
383 CBFS_COMPRESS_FLAG:=LZMA
386 CBFS_PAYLOAD_COMPRESS_FLAG:=none
387 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
388 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
390 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
391 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
394 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
395 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
396 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
399 CBFS_PRERAM_COMPRESS_FLAG:=none
400 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
401 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
404 ifneq ($(CONFIG_LOCALVERSION),"")
405 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
406 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
409 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -Isrc/commonlib/bsd/include -I$(obj)
410 VBOOT_SOURCE ?= 3rdparty/vboot
411 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
412 CPPFLAGS_common += -include $(src)/include/kconfig.h
413 CPPFLAGS_common += -include $(src)/include/rules.h
414 CPPFLAGS_common += -include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h
415 CPPFLAGS_common += -I3rdparty
416 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
418 ifeq ($(BUILD_TIMELESS),1)
419 CPPFLAGS_common += -D__TIMELESS__
422 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
423 CPPFLAGS_ramstage += -Isrc/device/oprom/include
426 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
427 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
428 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
429 CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla
430 CFLAGS_common += -Wlogical-op -Wduplicated-cond -Wdangling-else
431 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
432 CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie
433 ifeq ($(CONFIG_COMPILER_GCC),y)
434 # Don't add these GCC specific flags when running scan-build
435 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
436 CFLAGS_common += -Wno-packed-not-aligned
437 CFLAGS_common += -fconserve-stack
438 CFLAGS_common += -Wnull-dereference -Wreturn-type
439 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
440 CFLAGS_common += -Wno-unused-but-set-variable
444 ADAFLAGS_common += -gnatp
445 ADAFLAGS_common += -Wuninitialized -Wall -Werror
446 ADAFLAGS_common += -pipe -g -nostdinc
447 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
448 ADAFLAGS_common += -fno-common -fomit-frame-pointer
449 ADAFLAGS_common += -ffunction-sections -fdata-sections
450 # Ada warning options:
452 # a Activate most optional warnings.
453 # .e Activate every optional warnings.
454 # e Treat warnings and style checks as errors.
456 # D Suppress warnings on implicit dereferences:
457 # As SPARK does not accept access types we have to map the
458 # dynamically chosen register locations to a static SPARK
461 # .H Suppress warnings on holes/gaps in records:
462 # We are modelling hardware here!
464 # H Suppress warnings on hiding:
465 # It's too annoying, you run out of ideas for identifiers fast.
467 # T Suppress warnings for tracking of deleted conditional code:
468 # We use static options to select code paths at compile time.
470 # U Suppress warnings on unused entities:
471 # Would have lots of warnings for unused register definitions,
472 # `withs` for debugging etc.
474 # .U Deactivate warnings on unordered enumeration types:
475 # As SPARK doesn't support `pragma Ordered` by now, we don't
478 # .W Suppress warnings on unnecessary Warnings Off pragmas:
479 # Things get really messy when you use different compiler
480 # versions, otherwise.
481 # .Y Disable information messages for why package spec needs body:
482 # Those messages are annoying. But don't forget to enable those,
483 # if you need the information.
484 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
485 # Disable style checks for now
486 ADAFLAGS_common += -gnatyN
488 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
490 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
491 CFLAGS_common += -Werror
493 ifneq ($(GDB_DEBUG),)
495 ADAFLAGS_common += -Og
498 ADAFLAGS_common += -Os
501 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
502 ADAFLAGS_common += -gnata
505 additional-dirs := $(objutil)/cbfstool $(objutil)/ifdtool \
506 $(objutil)/options $(objutil)/amdfwtool \
507 $(objutil)/cbootimage
509 export $(COREBOOT_EXPORTS)
511 #######################################################################
512 # generate build support files
514 build_h := $(obj)/build.h
516 # We have to manually export variables that `genbuild_h.sh` uses
517 # when we call it through the `$(shell)` function. This is fragile
518 # but as variables newly added to `genbuild_h.sh` would just not
519 # work, we'd notice that instantly at least.
520 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
522 # Report new `build.ht` as dependency if `build.h` differs.
524 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
525 util/genbuild_h/genbuild_h.sh .xcompile >$(build_h)t 2>/dev/null; \
526 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
528 $(build_h): $$(shell $$(build_h_check))
529 @printf " GEN build.h\n"
532 build-dirs $(objcbfs) $(objgenerated):
533 mkdir -p $(objcbfs) $(objgenerated)
535 #######################################################################
537 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
538 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
539 RMODTOOL:=$(objutil)/cbfstool/rmodtool
540 IFWITOOL:=$(objutil)/cbfstool/ifwitool
541 IFITTOOL:=$(objutil)/cbfstool/ifittool
542 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
544 $(obj)/cbfstool: $(CBFSTOOL)
547 $(obj)/fmaptool: $(FMAPTOOL)
550 $(obj)/rmodtool: $(RMODTOOL)
553 $(obj)/ifwitool: $(IFWITOOL)
556 $(obj)/ifittool: $(IFITTOOL)
559 $(obj)/amdcompress: $(AMDCOMPRESS)
562 _WINCHECK=$(shell uname -o 2> /dev/null)
564 ifeq ($(_WINCHECK),Msys)
565 STACK=-Wl,--stack,16384000
567 ifeq ($(_WINCHECK),Cygwin)
568 STACK=-Wl,--stack,16384000
571 BINCFG:=$(objutil)/bincfg/bincfg
573 IFDTOOL:=$(objutil)/ifdtool/ifdtool
575 @printf " Compile IFDTOOL\n"
576 +$(MAKE) -C $(top)/util/ifdtool
577 cp -a $(top)/util/ifdtool/ifdtool $@
579 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
581 APCB_EDIT_TOOL:=$(top)/util/apcb/apcb_edit.py
583 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
585 FUTILITY?=$(objutil)/futility/futility
587 subdirs-y += util/nvidia
589 $(obj)/config.h: $(objutil)/kconfig/conf
591 #######################################################################
592 # needed objects that every mainboard uses
593 # Creation of these is architecture and mainboard independent
594 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
596 SCONFIG_OPTIONS := --mainboard_devtree=$(DEVICETREE_FILE)
598 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
599 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
600 SCONFIG_OPTIONS += --override_devtree=$(OVERRIDE_DEVICETREE_FILE)
603 ifneq ($(CONFIG_CHIPSET_DEVICETREE),)
604 CHIPSET_DEVICETREE_FILE := $(src)/$(CONFIG_CHIPSET_DEVICETREE)
605 SCONFIG_OPTIONS += --chipset_devtree=$(CHIPSET_DEVICETREE_FILE)
608 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
609 SCONFIG_OPTIONS += --output_c=$(DEVICETREE_STATIC_C)
611 DEVICETREE_STATIC_H := $(obj)/static.h
612 SCONFIG_OPTIONS += --output_h=$(DEVICETREE_STATIC_H)
614 DEVICETREE_DEVICENAMES_H := $(obj)/static_devices.h
615 SCONFIG_OPTIONS += --output_d=$(DEVICETREE_DEVICENAMES_H)
617 DEVICETREE_FWCONFIG_H := $(obj)/static_fw_config.h
618 SCONFIG_OPTIONS += --output_f=$(DEVICETREE_FWCONFIG_H)
620 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(CHIPSET_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
621 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
622 mkdir -p $(dir $(DEVICETREE_STATIC_C))
623 $(objutil)/sconfig/sconfig $(SCONFIG_OPTIONS)
625 ramstage-y+=$(DEVICETREE_STATIC_C)
626 romstage-y+=$(DEVICETREE_STATIC_C)
627 verstage-y+=$(DEVICETREE_STATIC_C)
628 bootblock-y+=$(DEVICETREE_STATIC_C)
629 postcar-y+=$(DEVICETREE_STATIC_C)
630 smm-y+=$(DEVICETREE_STATIC_C)
632 # Ensure static.c and static.h are created before any objects are compiled
633 ramstage-c-deps+=$(DEVICETREE_STATIC_C)
634 romstage-c-deps+=$(DEVICETREE_STATIC_C)
635 verstage-c-deps+=$(DEVICETREE_STATIC_C)
636 bootblock-c-deps+=$(DEVICETREE_STATIC_C)
637 postcar-c-deps+=$(DEVICETREE_STATIC_C)
638 smm-c-deps+=$(DEVICETREE_STATIC_C)
641 devicetree: $(DEVICETREE_STATIC_C)
643 ramstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
644 romstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
645 bootblock-y += $(CONFIG_MEMLAYOUT_LD_FILE)
646 verstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
647 postcar-y += $(CONFIG_MEMLAYOUT_LD_FILE)
648 decompressor-y += $(CONFIG_MEMLAYOUT_LD_FILE)
650 #######################################################################
653 rm -rf coreboot-builds
655 clean-for-update-target: clean-payloads
656 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
657 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
658 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
659 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
660 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
661 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
662 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
663 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
666 rm -f $(obj)/coreboot*
668 #######################################################################
669 # Development utilities
672 @echo ldscripts=$(ldscripts)
675 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
678 grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
680 util/lint/check-style
684 util/gitconfig/gitconfig.sh "$(MAKE)"
686 install-git-commit-clangfmt:
687 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
689 include util/crossgcc/Makefile.inc
692 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
694 ###########################################################################
695 # Common recipes for all stages
696 ###########################################################################
698 # loadaddr can determine the load address of a stage, which may be needed for
699 # platform-specific image headers (only works *after* the stage has been built)
700 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
701 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
703 # find-substr is required for stages like romstage_null and romstage_xip to
704 # eliminate the _* part of the string
705 find-substr = $(word 1,$(subst _, ,$(1)))
707 # find-class is used to identify the class from the name of the stage
708 # The input to this macro can be something like romstage.x or romstage.x.y
709 # find-class recursively strips off the suffixes to extract the exact class name
710 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
711 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
712 # and remove .x the next time and finally return romstage
713 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
715 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
716 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
717 # include the bss section in the binary so the BootROM clears the bss on
718 # loading of the bootblock stage. Achieve this by marking the bss section
719 # loadable,allocatable, and data. Do the same for the .data section in case
720 # the linker marked it NOBITS automatically because there are only zeroes in it.
721 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
723 # For Intel TXT files in the CBFS needs to be marked as 'Initial Boot Block'.
724 # As CBFS attributes aren't cheap, only mark them if TXT is enabled.
725 ifeq ($(CONFIG_INTEL_TXT),y)
735 ifeq ($(CONFIG_INTEL_CBNT_SUPPORT),y)
743 endif # CONFIG_INTEL_CBNT_SUPPORT
745 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
747 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
748 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
749 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
750 $(OBJCOPY_bootblock) -O binary $@.tmp
751 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
755 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
756 # Makefiles wrapping the bootblock in a header can always key off the same file.
757 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
758 @printf " OBJCOPY $(notdir $(@))\n"
759 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
761 else # CONFIG_COMPRESS_BOOTBLOCK
763 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
764 @printf " OBJCOPY $(notdir $(@))\n"
765 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
767 endif # CONFIG_COMPRESS_BOOTBLOCK
769 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
770 @printf " OBJCOPY $(notdir $(@))\n"
771 $(OBJCOPY_bootblock) -O binary $< $@
773 ifneq ($(CONFIG_HAVE_BOOTBLOCK),y)
774 $(objcbfs)/bootblock.bin: $(objcbfs)
775 dd if=/dev/zero of=$@ bs=64 count=1
778 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
781 $(objcbfs)/%.elf: $(objcbfs)/%.debug
782 $(eval class := $(call find-class,$(@F)))
783 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
785 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
786 $(OBJCOPY_$(class)) --strip-debug $@.tmp
787 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
791 ###########################################################################
792 # Build the final rom image
793 ###########################################################################
795 # extract_nth - Return a subsection of the $file string
797 # the input string looks like this:
798 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
801 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
802 # 2 - Name of file in cbfs [$(FILENAME)-file]
803 # 3 - File type: [$(FILENAME)-type]
804 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
805 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
806 # mma, efi, deleted, null
807 # 4 - Compression type [$(FILENAME)-compression]
809 # 5 - Base address [$(FILANAME)-position]
810 # 6 - Alignment [$(FILENAME)-align]
811 # 7 - cbfstool flags [$(FILENAME)-options]
814 # $(1) = Section to extract
815 # $(2) = Input string
818 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
819 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
820 # 3) remove the leading and trailing '-' characters
821 # 4) replace all '*' characters with spaces
822 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
824 # regions-for-file - Returns a cbfstool regions parameter
825 # $(call regions-for-file,$(filename))
826 # returns "REGION1,REGION2,..."
828 # This is the default implementation. When using a boot strategy employing
829 # multiple CBFSes in fmap regions, override it.
830 regions-for-file ?= COREBOOT
832 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
833 cbfs-autogen-attributes=-g
836 # cbfs-add-cmd-for-region
837 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
838 define cbfs-add-cmd-for-region
840 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
841 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
842 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
843 -f $(call extract_nth,1,$(1)) \
844 -n $(call extract_nth,2,$(1)) \
845 $(if $(filter-out flat-binary payload stage,$(call \
846 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
847 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
848 $(cbfs-autogen-attributes) \
850 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
851 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
852 $(call extract_nth,7,$(1))
856 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
860 # $(call cbfs-add-cmd,
861 # file in extract_nth format,
863 # non-empty if file removal requested)
865 printf " CBFS $(call extract_nth,2,$(1))\n"
866 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
867 $(call cbfs-add-cmd-for-region,$(1),$(2))
870 # list of files to add (using their file system names, not CBFS names),
871 # for dependencies etc.
872 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
875 # returns full list of fmap regions that we add files to
876 all-regions = $(sort $(subst $(comma),$(spc), \
877 $(foreach file,$(cbfs-files), \
878 $(call regions-for-file,$(call extract_nth,2,$(file))))))
880 # $(call all-files-in-region,region name)
881 # returns elements in $(cbfs-files) that end up in that region, in the order
882 # they appear in $(cbfs-files)
883 all-files-in-region = $(foreach file,$(cbfs-files), \
884 $(if $(filter $(1), \
885 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
888 # $(call update-file-for-region,file string from $(cbfs-files),region name)
889 # Update position and alignment according to overrides for region
890 # Doesn't check for invalid configurations (eg. resetting neither or both
891 # position and align)
892 # Returns the updated file string
893 update-file-for-region = \
894 $(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)))
896 # $(call placed-files-in-region,region name)
897 # like all-files-in-region, but updates the files to contain region overrides
898 # to position or alignment.
899 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
900 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
901 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
902 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
903 $(call update-file-for-region,$(file),$(1)), \
904 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
905 $(call update-file-for-region,$(file),$(1)), \
908 # $(call sort-files,subset of $(cbfs-files))
909 # reorders the files in the given set to list files at fixed positions first,
910 # followed by aligned files and finally those with no constraints.
912 $(eval _tmp_fixed:=) \
913 $(eval _tmp_aligned:=) \
914 $(eval _tmp_regular:=) \
915 $(foreach file,$(1), \
916 $(if $(call extract_nth,5,$(file)),\
917 $(eval _tmp_fixed += $(file)), \
918 $(if $(call extract_nth,6,$(file)), \
919 $(eval _tmp_aligned += $(file)), \
920 $(eval _tmp_regular += $(file))))) \
921 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
923 # command list to add files to CBFS
924 prebuild-files = $(foreach region,$(all-regions), \
926 $(call sort-files,$(call placed-files-in-region,$(region))), \
927 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
929 ifeq ($(CONFIG_FMDFILE),)
930 # For a description of the flash layout described by these variables, check
931 # the $(DEFAULT_FLASHMAP) .fmd files.
932 ifeq ($(CONFIG_ARCH_X86),y)
933 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
935 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
936 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
937 # entire "BIOS" region (everything directly of concern to the host system)
938 # relative to ROM_BASE
939 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
940 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
941 # position and size of flashmap, relative to BIOS_BASE
944 # X86 CONSOLE FMAP region
946 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
948 FMAP_CURRENT_BASE := 0
950 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
951 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
952 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
953 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
954 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
956 FMAP_CONSOLE_ENTRY :=
959 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
960 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
961 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
962 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
963 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
965 FMAP_MRC_CACHE_ENTRY :=
968 ifeq ($(CONFIG_SMMSTORE),y)
969 FMAP_SMMSTORE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
970 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
971 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
972 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE))
974 FMAP_SMMSTORE_ENTRY :=
982 FMAP_FMAP_BASE := $(FMAP_CURRENT_BASE)
983 FMAP_FMAP_SIZE := 0x200
986 # X86 COREBOOT default cbfs FMAP region
988 # position and size of CBFS, relative to BIOS_BASE
989 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
990 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
992 else # ifeq ($(CONFIG_ARCH_X86),y)
994 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
997 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
998 # entire "BIOS" region (everything directly of concern to the host system)
999 # relative to ROM_BASE
1001 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
1002 # position and size of flashmap, relative to BIOS_BASE
1003 FMAP_FMAP_BASE := 0x20000
1004 FMAP_FMAP_SIZE := 0x200
1006 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1009 # NON-X86 CONSOLE FMAP region
1011 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
1012 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
1013 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
1014 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
1015 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
1016 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
1018 FMAP_CONSOLE_ENTRY :=
1022 # NON-X86 RW_MRC_CACHE FMAP region
1024 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
1025 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1026 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1027 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
1028 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
1029 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
1031 FMAP_MRC_CACHE_ENTRY :=
1035 # NON-X86 COREBOOT default cbfs FMAP region
1037 # position and size of CBFS, relative to BIOS_BASE
1038 FMAP_CBFS_BASE := $(FMAP_CURRENT_BASE)
1039 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1041 endif # ifeq ($(CONFIG_ARCH_X86),y)
1043 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
1044 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
1045 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
1046 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
1047 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
1048 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
1049 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
1050 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
1051 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
1052 -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
1053 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
1054 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
1055 $(DEFAULT_FLASHMAP) > $@.tmp
1057 else # ifeq ($(CONFIG_FMDFILE),)
1058 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
1059 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
1061 endif # ifeq ($(CONFIG_FMDFILE),)
1063 # generated at the same time as fmap.fmap
1064 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1066 $(obj)/fmap.desc: $(obj)/fmap.fmap
1069 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1070 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1071 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1073 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1074 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1077 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1078 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $(IFITTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
1079 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1080 ifeq ($(CONFIG_ARCH_X86),y)
1081 $(CBFSTOOL) $@.tmp add \
1082 -f $(objcbfs)/bootblock.bin \
1087 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes) \
1089 else # ifeq ($(CONFIG_ARCH_X86),y)
1090 $(CBFSTOOL) $@.tmp write -u \
1092 -f $(objcbfs)/bootblock.bin
1093 # make space for the CBFS master header pointer. "ptr_" is just
1094 # arbitrary 4 bytes that will be overwritten by add-master-header.
1095 printf "ptr_" > $@.tmp.2
1096 $(CBFSTOOL) $@.tmp add \
1098 -n "header pointer" \
1102 endif # ifeq ($(CONFIG_ARCH_X86),y)
1103 $(CBFSTOOL) $@.tmp add-master-header $(TS_OPTIONS)
1104 $(prebuild-files) true
1106 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1107 .PHONY: $(obj)/coreboot.pre
1108 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1109 mv $(obj)/coreboot.rom $@.tmp || \
1110 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1111 echo "Exiting." && \
1113 $(prebuild-files) true
1115 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1117 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1118 REFCODE_BLOB=$(obj)/refcode.rmod
1119 $(REFCODE_BLOB): $(RMODTOOL)
1120 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1123 FIT_ENTRY=$(call strip_quotes, $(CONFIG_INTEL_TOP_SWAP_FIT_ENTRY_FMAP_REG))
1125 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1126 RAMSTAGE=$(objcbfs)/ramstage.elf
1131 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(RAMSTAGE) $(CBFSTOOL) $$(INTERMEDIATE)
1132 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1133 # The full ROM may be larger than the CBFS part, so create an empty
1134 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1135 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1136 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1137 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
1138 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
1139 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1140 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
1141 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
1145 ifeq ($(CONFIG_SEABIOS_ADD_SERCON_PORT_FILE),y)
1146 @printf " SeaBIOS Add sercon-port file\n"
1147 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_SERCON_PORT_ADDR) -n etc/sercon-port
1149 ifeq ($(CONFIG_SEABIOS_THREAD_OPTIONROMS),y)
1150 @printf " SeaBIOS Thread optionroms\n"
1151 $(CBFSTOOL) $@.tmp add-int -i 2 -n etc/threads
1153 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1154 ifneq ($(CONFIG_UPDATE_IMAGE),y) # never update the bootblock
1155 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1156 @printf " UPDATE-FIT\n"
1157 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1160 ifeq ($(CONFIG_USE_CPU_MICROCODE_CBFS_BINS),y)
1161 @printf " UPDATE-FIT\n"
1162 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1165 $(IFITTOOL) -f $@.tmp -D -r COREBOOT
1167 # Second FIT in TOP_SWAP bootblock
1168 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1169 # INTEL_TOP_SWAP_FIT_ENTRY_FMAP_REG adds a region as first ucode into the seconds bootblock
1170 ifneq ($(FIT_ENTRY),)
1171 @printf " UPDATE-FIT2\n"
1172 $(IFITTOOL) -f $@.tmp -A -n $(FIT_ENTRY) -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1173 $(TS_OPTIONS) -r COREBOOT
1175 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1176 @printf " UPDATE-FIT2\n"
1177 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1178 $(TS_OPTIONS) -r COREBOOT
1180 ifeq ($(CONFIG_USE_CPU_MICROCODE_CBFS_BINS),y)
1181 @printf " UPDATE-FIT2\n"
1182 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1183 $(TS_OPTIONS) -r COREBOOT
1185 $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT
1189 endif # !CONFIG_UPDATE_IMAGE
1190 endif # CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE
1192 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1193 $(CBFSTOOL) $@ layout
1194 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1195 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1197 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1198 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1199 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1200 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1201 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1202 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1204 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1205 # Use a 64 byte alignment to provide a minimum alignment
1206 # requirement for the overall romstage. While the first object within
1207 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1208 # won't decide the entire section should be aligned to a larger value. In the
1209 # future cbfstool should add XIP files proper and honor the alignment
1210 # requirements of the program segment.
1212 # Make sure that segment for .car.data is ignored while adding romstage.
1213 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1214 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1216 # If CAR does not support execution of code, romstage on x86 is expected to be
1218 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1219 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1221 # For efficient MTRR utilisation use natural alignment for romstage.
1222 ifeq ($(CONFIG_SETUP_XIP_CACHE),y)
1223 $(CONFIG_CBFS_PREFIX)/romstage-options += --pow2page
1224 endif # CONFIG_SETUP_XIP_CACHE
1226 endif # CONFIG_NO_XIP_EARLY_STAGES
1227 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1228 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y)
1229 $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB)
1232 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1233 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1234 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1235 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1237 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1238 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1239 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1240 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1242 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1243 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1244 vgaroms/seavgabios.bin-type := raw
1246 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1247 config-file := $(DOTCONFIG):defconfig
1250 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1251 revision-file := $(obj)/build.h
1252 revision-type := raw
1254 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1255 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1256 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1257 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1259 # Ensure that no payload segment overlaps with memory regions used by ramstage
1260 # (not for x86 since it can relocate itself in that case)
1261 ifneq ($(CONFIG_ARCH_X86),y)
1262 check-ramstage-overlap-regions := ramstage
1263 check-ramstage-overlap-files :=
1264 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1265 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1268 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1269 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1270 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1272 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1273 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1275 check-ramstage-overlaps: $(obj)/coreboot.pre
1276 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1277 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1278 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1280 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1281 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1283 for x in $$programs; do \
1284 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1285 pend=$$(($$pstart + $$x)) ; \
1286 rname= ; rstart= ; rend= ; \
1287 for y in $$regions ; do \
1288 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1289 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1291 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1292 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1293 $(check-ramstage-overlap-files) ; \
1296 rname= ; rstart= ; rend= ; \
1301 INTERMEDIATE+=check-ramstage-overlaps
1302 PHONY+=check-ramstage-overlaps