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 COREBOOT_EXPORTS += objcbfs
47 ## Based on the active configuration, Makefile conditionally collects
48 ## the required assembly includes and saves them in a file.
49 ## Such files that do not have a clear one-to-one relation to a source
50 ## file under src/ are placed and built under $(objgenerated)
51 objgenerated := $(obj)/generated
52 COREBOOT_EXPORTS += objgenerated
54 ## CCACHE_EXTRAFILES can be set by individual rules to help CCACHE
55 ## discover dependencies it might not notice on its own (e.g. asm (".incbin")).
56 COREBOOT_EXPORTS += CCACHE_EXTRAFILES
58 #######################################################################
59 # root rule to resolve if in build mode (ie. configuration exists)
60 real-target: $(obj)/config.h coreboot files_added
61 coreboot: build-dirs $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool
63 # This target can be used in site local to run scripts or additional
64 # targets after the build completes by creating a Makefile.inc in the
65 # site-local directory with a target named 'build_complete::'
66 build_complete:: coreboot
67 printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \
68 $(CONFIG_MAINBOARD_PART_NUMBER)
70 # This target can be used to run rules after all files were added to CBFS,
71 # for example to process FMAP regions or the entire image.
72 files_added:: build_complete
74 #######################################################################
76 PHONY+= clean-abuild coreboot check-style build-dirs build_complete
78 #######################################################################
79 # root source directories of coreboot
80 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi src/superio/common
81 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
82 subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
83 subdirs-y += $(wildcard src/superio/*) $(wildcard src/superio/*/*)
84 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*) $(wildcard src/drivers/*/*/*)
85 subdirs-y += src/cpu src/vendorcode
86 subdirs-y += util/cbfstool util/sconfig util/nvramtool util/pgtblgen util/amdfwtool
87 subdirs-y += util/futility util/marvell util/bincfg util/supermicro util/qemu
88 subdirs-y += $(wildcard src/arch/*)
89 subdirs-y += src/mainboard/$(MAINBOARDDIR)
90 subdirs-y += src/security
91 subdirs-y += payloads payloads/external
93 subdirs-y += site-local
94 subdirs-y += util/checklist util/testing
96 #######################################################################
97 # Add source classes and their build options
98 classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
100 # Add a special 'all' class to add sources to all stages
101 $(call add-special-class,all)
102 all-handler = $(foreach class,bootblock verstage romstage postcar ramstage,$(eval $(class)-y += $(2)))
104 $(call add-special-class,verstage_x86)
105 ifeq ($(CONFIG_ARCH_VERSTAGE_X86_32)$(CONFIG_ARCH_VERSTAGE_X86_64),y)
106 verstage_x86-handler = $(eval verstage-y += $(2))
108 verstage_x86-handler =
111 # Add dynamic classes for rmodules
112 $(foreach supported_arch,$(ARCH_SUPPORTED), \
113 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
114 # Provide a macro to determine environment for free standing rmodules.
115 $(foreach supported_arch,$(ARCH_SUPPORTED), \
116 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
118 #######################################################################
119 # Helper functions for math, strings, and various file placement matters.
120 # macros work on all formats understood by printf(1)
121 # values are space separated if using more than one value
123 # int-add: adds an arbitrary length list of integers
124 # int-subtract: subtracts the second of two integers from the first
125 # int-multiply: multiplies an arbitrary length list of integers
126 # int-divide: divides the first integer by the second
127 # int-remainder: arithmetic remainder of the first number divided by the second
128 # int-shift-left: Shift $1 left by $2 bits
129 # int-lt: 1 if the first value is less than the second. 0 otherwise
130 # int-gt: 1 if the first values is greater than the second. 0 otherwise
131 # int-eq: 1 if the two values are equal. 0 otherwise
132 # int-align: align $1 to $2 units
133 # file-size: returns the filesize of the given file
134 # tolower: returns the value in all lowercase
135 # toupper: returns the value in all uppercase
136 # ws_to_under: returns the value with any whitespace changed to underscores
137 _toint=$(shell printf "%d" $1)
138 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
139 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
140 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
141 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
142 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
143 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
144 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
145 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
146 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
147 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
148 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
149 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
150 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
151 file-size=$(strip $(shell cat $1 | wc -c))
152 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
153 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
154 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
156 #######################################################################
157 # Helper functions for ramstage postprocess
162 # Returns all files and dirs below `dir` (recursively).
163 # files-below-dir,dir,files
164 files-below-dir=$(filter $(1)%,$(2))
166 # Returns all dirs below `dir` (recursively).
167 # dirs-below-dir,dir,files
168 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
170 # Returns all files directly in `dir` (non-recursively).
171 # files-in-dir,dir,files
172 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
174 #######################################################################
175 # reduce command line length by linking the objects of each
176 # directory into an intermediate file
177 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
178 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
179 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
180 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
182 decompressor-generic-ccopts += -D__DECOMPRESSOR__
183 bootblock-generic-ccopts += -D__BOOTBLOCK__
184 romstage-generic-ccopts += -D__ROMSTAGE__
185 ramstage-generic-ccopts += -D__RAMSTAGE__
186 ifeq ($(CONFIG_COVERAGE),y)
187 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
190 ifneq ($(UPDATED_SUBMODULES),1)
191 # try to fetch non-optional submodules if the source is under git
192 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
193 ifeq ($(CONFIG_USE_BLOBS),y)
194 # These items are necessary because each has update=none in .gitmodules. They are ignored
195 # until expressly requested and enabled with --checkout
196 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
197 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/intel-microcode))
198 ifeq ($(CONFIG_FSP_USE_REPO),y)
199 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/fsp))
201 ifeq ($(CONFIG_USE_AMD_BLOBS),y)
202 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/amd_blobs))
204 ifeq ($(CONFIG_USE_QC_BLOBS),y)
205 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/qc_blobs))
208 UPDATED_SUBMODULES:=1
209 COREBOOT_EXPORTS += UPDATED_SUBMODULES
212 postcar-c-deps:=$$(OPTION_TABLE_H)
213 ramstage-c-deps:=$$(OPTION_TABLE_H)
214 romstage-c-deps:=$$(OPTION_TABLE_H)
215 verstage-c-deps:=$$(OPTION_TABLE_H)
216 bootblock-c-deps:=$$(OPTION_TABLE_H)
217 $(foreach type,ads adb, \
218 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
219 $(eval $(stage)-$(type)-deps := \
220 $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
221 $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
223 # Add handler to copy linker scripts
224 define generic-objs_ld_template_gen
225 de$(EMPTY)fine $(1)-objs_ld_template
226 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h $(obj)/fmap_config.h
227 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
228 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
232 # Add handler to deal with archives
233 define generic-objs_a_template_gen
234 de$(EMPTY)fine $(1)-objs_a_template
235 $$(call src-to-obj,$1,$$(1).a): $$(1).a
236 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
237 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
242 # Add handler to add no rules for manual files
243 define generic-objs_manual_template_gen
247 #######################################################################
248 # Add handler to compile ACPI's ASL
249 # arg1: base file name
250 # arg2: y or n for including in cbfs. defaults to y
252 # Empty resource templates were marked as a warning in IASL with the comment
253 # "This would appear to be worthless in real-world ASL code.", which is
254 # possibly true in many cases. In other cases it seems that an empty
255 # ResourceTemplate is the correct code.
256 # As it's valid ASL, disable the warning.
257 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
258 # Redundant offset remarks are not useful in any way and are masking useful
259 # ones that might indicate an issue so it is better to hide them.
260 REDUNDANT_OFFSET_REMARK = 2158
261 # Ignore _HID & _ADR coexisting in Intel Lynxpoint and Broadwell ASL code.
262 # See cb:38803 & cb:38802
263 # "Multiple types (Device object requires either a _HID or _ADR, but not both)"
264 MULTIPLE_TYPES_WARNING = 3073
266 IASL_WARNINGS_LIST = $(EMPTY_RESOURCE_TEMPLATE_WARNING) $(REDUNDANT_OFFSET_REMARK)
268 ifeq ($(CONFIG_SOUTHBRIDGE_INTEL_LYNXPOINT)$(CONFIG_SOC_INTEL_BROADWELL),y)
269 IASL_WARNINGS_LIST += $(MULTIPLE_TYPES_WARNING)
272 IGNORED_IASL_WARNINGS = $(addprefix -vw , $(IASL_WARNINGS_LIST))
275 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
276 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
277 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
278 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
279 -include $(obj)/$(1).d
280 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
281 @printf " IASL $$(subst $(top)/,,$$(@))\n"
282 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
283 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
284 echo " IASL "$(IASL_WARNINGS_LIST)" warning types were ignored!"
285 if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \
286 echo " IASL $$@ disassembled correctly."; \
289 echo "Error: Could not correctly disassemble $$@"; \
295 #######################################################################
296 # Parse plaintext CMOS defaults into binary format
298 # arg2: binary file name
299 cbfs-files-processor-nvramtool= \
300 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
301 printf " CREATE $(2) (from $(1))\n"; \
302 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
305 #######################################################################
306 # Link VSA binary to ELF-ish stage
308 # arg2: binary file name
309 cbfs-files-processor-vsa= \
310 $(eval $(2): $(1) ; \
311 printf " CREATE $(2) (from $(1))\n"; \
312 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
313 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
315 #######################################################################
316 # Reduce a .config file to its minimal representation
319 define cbfs-files-processor-defconfig
320 $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
321 +printf " CREATE $(2) (from $(1))\n"; \
322 printf "# This image was built using coreboot " > $(2).tmp && \
323 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
324 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
325 cat $(2).tmp2 >> $(2).tmp && \
327 \mv -f $(2).tmp $(2))
330 #######################################################################
331 # Compile a C file with a bare struct definition into binary
332 # arg1: C source file
334 cbfs-files-processor-struct= \
335 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
336 printf " CC+STRIP $(1)\n"; \
337 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
338 $(OBJCOPY_ramstage) -O binary --set-section-flags .bss*=alloc,contents,load $(2).tmp $(2); \
340 $(eval DEPENDENCIES += $(2).d)
342 #######################################################################
343 # Add handler for arbitrary files in CBFS
344 $(call add-special-class,cbfs-files)
345 cbfs-files-handler= \
346 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
347 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
348 $(eval tmp-cbfs-file:= ) \
350 $(if $(wildcard $(1)$($(2)-file)), \
351 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
352 $(eval tmp-cbfs-file:= $($(2)-file)))) \
353 $(if $(strip $($(2)-required)), \
354 $(if $(wildcard $(tmp-cbfs-file)),, \
355 $(info This build configuration requires $($(2)-required)) \
356 $(eval FAILBUILD:=1) \
358 $(if $(strip $($(2)-align)), \
359 $(if $(strip $($(2)-position)), \
360 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
361 $(eval FAILBUILD:=1) \
363 $(if $(tmp-cbfs-method), \
364 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
365 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
366 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
367 $(if $(tmp-cbfs-file), \
368 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
369 $(eval $(2)-name:=) \
370 $(eval $(2)-type:=) \
371 $(eval $(2)-compression:=) \
372 $(eval $(2)-position:=) \
373 $(eval $(2)-required:=) \
374 $(eval $(2)-options:=) \
377 #######################################################################
378 # a variety of flags for our build
379 CBFS_COMPRESS_FLAG:=none
380 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
381 CBFS_COMPRESS_FLAG:=LZMA
384 CBFS_PAYLOAD_COMPRESS_FLAG:=none
385 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
386 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
388 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
389 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
392 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
393 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
394 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
397 CBFS_PRERAM_COMPRESS_FLAG:=none
398 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
399 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
402 ifneq ($(CONFIG_LOCALVERSION),"")
403 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
404 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
407 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -Isrc/commonlib/bsd/include -I$(obj)
408 VBOOT_SOURCE ?= 3rdparty/vboot
409 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
410 CPPFLAGS_common += -include $(src)/include/kconfig.h
411 CPPFLAGS_common += -include $(src)/include/rules.h
412 CPPFLAGS_common += -include $(src)/commonlib/bsd/include/commonlib/bsd/compiler.h
413 CPPFLAGS_common += -I3rdparty
414 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
416 ifeq ($(BUILD_TIMELESS),1)
417 CPPFLAGS_common += -D__TIMELESS__
420 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
421 CPPFLAGS_ramstage += -Isrc/device/oprom/include
424 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
425 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
426 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
427 CFLAGS_common += -Wshadow -Wdate-time -Wtype-limits -Wvla
428 CFLAGS_common += -Wlogical-op -Wduplicated-cond -Wdangling-else
429 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
430 CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie
431 ifeq ($(CONFIG_COMPILER_GCC),y)
432 # Don't add these GCC specific flags when running scan-build
433 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
434 CFLAGS_common += -Wno-packed-not-aligned
435 CFLAGS_common += -fconserve-stack
436 CFLAGS_common += -Wnull-dereference -Wreturn-type
437 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
438 CFLAGS_common += -Wno-unused-but-set-variable
442 ADAFLAGS_common += -gnatp
443 ADAFLAGS_common += -Wuninitialized -Wall -Werror
444 ADAFLAGS_common += -pipe -g -nostdinc
445 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
446 ADAFLAGS_common += -fno-common -fomit-frame-pointer
447 ADAFLAGS_common += -ffunction-sections -fdata-sections
448 # Ada warning options:
450 # a Activate most optional warnings.
451 # .e Activate every optional warnings.
452 # e Treat warnings and style checks as errors.
454 # D Suppress warnings on implicit dereferences:
455 # As SPARK does not accept access types we have to map the
456 # dynamically chosen register locations to a static SPARK
459 # .H Suppress warnings on holes/gaps in records:
460 # We are modelling hardware here!
462 # H Suppress warnings on hiding:
463 # It's too annoying, you run out of ideas for identifiers fast.
465 # T Suppress warnings for tracking of deleted conditional code:
466 # We use static options to select code paths at compile time.
468 # U Suppress warnings on unused entities:
469 # Would have lots of warnings for unused register definitions,
470 # `withs` for debugging etc.
472 # .U Deactivate warnings on unordered enumeration types:
473 # As SPARK doesn't support `pragma Ordered` by now, we don't
476 # .W Suppress warnings on unnecessary Warnings Off pragmas:
477 # Things get really messy when you use different compiler
478 # versions, otherwise.
479 # .Y Disable information messages for why package spec needs body:
480 # Those messages are annoying. But don't forget to enable those,
481 # if you need the information.
482 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
483 # Disable style checks for now
484 ADAFLAGS_common += -gnatyN
486 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
488 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
489 CFLAGS_common += -Werror
491 ifneq ($(GDB_DEBUG),)
493 ADAFLAGS_common += -Og
496 ADAFLAGS_common += -Os
499 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
500 ADAFLAGS_common += -gnata
503 additional-dirs := $(objutil)/cbfstool $(objutil)/ifdtool \
504 $(objutil)/options $(objutil)/amdfwtool \
505 $(objutil)/cbootimage
507 export $(COREBOOT_EXPORTS)
509 #######################################################################
510 # generate build support files
512 build_h := $(obj)/build.h
514 # We have to manually export variables that `genbuild_h.sh` uses
515 # when we call it through the `$(shell)` function. This is fragile
516 # but as variables newly added to `genbuild_h.sh` would just not
517 # work, we'd notice that instantly at least.
518 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
520 # Report new `build.ht` as dependency if `build.h` differs.
522 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
523 util/genbuild_h/genbuild_h.sh $(xcompile) \
524 >$(build_h)t 2>/dev/null; \
525 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
527 $(build_h): $$(shell $$(build_h_check))
528 @printf " GEN build.h\n"
531 build-dirs $(objcbfs) $(objgenerated):
532 mkdir -p $(objcbfs) $(objgenerated)
535 @echo 'COREBOOT_VERSION: $(call strip_quotes,$(KERNELVERSION))' > $@.tmp
536 @echo 'MAINBOARD_VENDOR: $(call strip_quotes,$(CONFIG_MAINBOARD_VENDOR))' >> $@.tmp
537 @echo 'MAINBOARD_PART_NUMBER: $(call strip_quotes,$(CONFIG_MAINBOARD_PART_NUMBER))' >> $@.tmp
540 #######################################################################
542 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
543 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
544 RMODTOOL:=$(objutil)/cbfstool/rmodtool
545 IFWITOOL:=$(objutil)/cbfstool/ifwitool
546 IFITTOOL:=$(objutil)/cbfstool/ifittool
547 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
549 $(obj)/cbfstool: $(CBFSTOOL)
552 $(obj)/fmaptool: $(FMAPTOOL)
555 $(obj)/rmodtool: $(RMODTOOL)
558 $(obj)/ifwitool: $(IFWITOOL)
561 $(obj)/ifittool: $(IFITTOOL)
564 $(obj)/amdcompress: $(AMDCOMPRESS)
567 _WINCHECK=$(shell uname -o 2> /dev/null)
569 ifeq ($(_WINCHECK),Msys)
570 STACK=-Wl,--stack,16384000
572 ifeq ($(_WINCHECK),Cygwin)
573 STACK=-Wl,--stack,16384000
576 BINCFG:=$(objutil)/bincfg/bincfg
578 IFDTOOL:=$(objutil)/ifdtool/ifdtool
580 @printf " Compile IFDTOOL\n"
581 +$(MAKE) -C $(top)/util/ifdtool
582 cp -a $(top)/util/ifdtool/ifdtool $@
584 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
586 APCB_EDIT_TOOL:=$(top)/util/apcb/apcb_edit.py
588 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
590 FUTILITY?=$(objutil)/futility/futility
592 subdirs-y += util/nvidia
594 $(obj)/config.h: $(objutil)/kconfig/conf
596 #######################################################################
597 # needed objects that every mainboard uses
598 # Creation of these is architecture and mainboard independent
599 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
601 SCONFIG_OPTIONS := --mainboard_devtree=$(DEVICETREE_FILE)
603 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
604 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
605 SCONFIG_OPTIONS += --override_devtree=$(OVERRIDE_DEVICETREE_FILE)
608 ifneq ($(CONFIG_CHIPSET_DEVICETREE),)
609 CHIPSET_DEVICETREE_FILE := $(src)/$(CONFIG_CHIPSET_DEVICETREE)
610 SCONFIG_OPTIONS += --chipset_devtree=$(CHIPSET_DEVICETREE_FILE)
613 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
614 SCONFIG_OPTIONS += --output_c=$(DEVICETREE_STATIC_C)
616 DEVICETREE_STATIC_H := $(obj)/static.h
617 SCONFIG_OPTIONS += --output_h=$(DEVICETREE_STATIC_H)
619 DEVICETREE_DEVICENAMES_H := $(obj)/static_devices.h
620 SCONFIG_OPTIONS += --output_d=$(DEVICETREE_DEVICENAMES_H)
622 DEVICETREE_FWCONFIG_H := $(obj)/static_fw_config.h
623 SCONFIG_OPTIONS += --output_f=$(DEVICETREE_FWCONFIG_H)
625 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(CHIPSET_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
626 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
627 mkdir -p $(dir $(DEVICETREE_STATIC_C))
628 $(objutil)/sconfig/sconfig $(SCONFIG_OPTIONS)
630 ramstage-y+=$(DEVICETREE_STATIC_C)
631 romstage-y+=$(DEVICETREE_STATIC_C)
632 verstage-y+=$(DEVICETREE_STATIC_C)
633 bootblock-y+=$(DEVICETREE_STATIC_C)
634 postcar-y+=$(DEVICETREE_STATIC_C)
635 smm-y+=$(DEVICETREE_STATIC_C)
637 # Ensure static.c and static.h are created before any objects are compiled
638 ramstage-c-deps+=$(DEVICETREE_STATIC_C)
639 romstage-c-deps+=$(DEVICETREE_STATIC_C)
640 verstage-c-deps+=$(DEVICETREE_STATIC_C)
641 bootblock-c-deps+=$(DEVICETREE_STATIC_C)
642 postcar-c-deps+=$(DEVICETREE_STATIC_C)
643 smm-c-deps+=$(DEVICETREE_STATIC_C)
646 devicetree: $(DEVICETREE_STATIC_C)
648 ramstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
649 romstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
650 bootblock-y += $(CONFIG_MEMLAYOUT_LD_FILE)
651 verstage-y += $(CONFIG_MEMLAYOUT_LD_FILE)
652 postcar-y += $(CONFIG_MEMLAYOUT_LD_FILE)
653 decompressor-y += $(CONFIG_MEMLAYOUT_LD_FILE)
655 #######################################################################
658 rm -rf coreboot-builds
660 clean-for-update-target: clean-payloads
661 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
662 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
663 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
664 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
665 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
666 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
667 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
668 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
671 rm -f $(obj)/coreboot*
673 #######################################################################
674 # Development utilities
677 @echo ldscripts=$(ldscripts)
680 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
683 grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
685 util/lint/check-style
689 util/gitconfig/gitconfig.sh "$(MAKE)"
691 install-git-commit-clangfmt:
692 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
694 include util/crossgcc/Makefile.inc
697 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
699 ###########################################################################
700 # Common recipes for all stages
701 ###########################################################################
703 # loadaddr can determine the load address of a stage, which may be needed for
704 # platform-specific image headers (only works *after* the stage has been built)
705 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
706 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
708 # find-substr is required for stages like romstage_null and romstage_xip to
709 # eliminate the _* part of the string
710 find-substr = $(word 1,$(subst _, ,$(1)))
712 # find-class is used to identify the class from the name of the stage
713 # The input to this macro can be something like romstage.x or romstage.x.y
714 # find-class recursively strips off the suffixes to extract the exact class name
715 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
716 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
717 # and remove .x the next time and finally return romstage
718 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
720 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
721 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
722 # include the bss section in the binary so the BootROM clears the bss on
723 # loading of the bootblock stage. Achieve this by marking the bss section
724 # loadable,allocatable, and data. Do the same for the .data section in case
725 # the linker marked it NOBITS automatically because there are only zeroes in it.
726 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
728 # For Intel TXT files in the CBFS needs to be marked as 'Initial Boot Block'.
729 # As CBFS attributes aren't cheap, only mark them if TXT is enabled.
730 ifeq ($(CONFIG_INTEL_TXT),y)
740 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
742 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
743 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
744 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
745 $(OBJCOPY_bootblock) -O binary $@.tmp
746 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
750 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
751 # Makefiles wrapping the bootblock in a header can always key off the same file.
752 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
753 @printf " OBJCOPY $(notdir $(@))\n"
754 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
756 else # CONFIG_COMPRESS_BOOTBLOCK
758 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
759 @printf " OBJCOPY $(notdir $(@))\n"
760 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
762 endif # CONFIG_COMPRESS_BOOTBLOCK
764 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
765 @printf " OBJCOPY $(notdir $(@))\n"
766 $(OBJCOPY_bootblock) -O binary $< $@
768 ifneq ($(CONFIG_HAVE_BOOTBLOCK),y)
769 $(objcbfs)/bootblock.bin: $(objcbfs)
770 dd if=/dev/zero of=$@ bs=64 count=1
773 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
776 $(objcbfs)/%.elf: $(objcbfs)/%.debug
777 $(eval class := $(call find-class,$(@F)))
778 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
780 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
781 $(OBJCOPY_$(class)) --strip-debug $@.tmp
782 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
786 ###########################################################################
787 # Build the final rom image
788 ###########################################################################
790 # extract_nth - Return a subsection of the $file string
792 # the input string looks like this:
793 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
796 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
797 # 2 - Name of file in cbfs [$(FILENAME)-file]
798 # 3 - File type: [$(FILENAME)-type]
799 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
800 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
801 # mma, efi, deleted, null
802 # 4 - Compression type [$(FILENAME)-compression]
804 # 5 - Base address [$(FILANAME)-position]
805 # 6 - Alignment [$(FILENAME)-align]
806 # 7 - cbfstool flags [$(FILENAME)-options]
809 # $(1) = Section to extract
810 # $(2) = Input string
813 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
814 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
815 # 3) remove the leading and trailing '-' characters
816 # 4) replace all '*' characters with spaces
817 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
819 # regions-for-file - Returns a cbfstool regions parameter
820 # $(call regions-for-file,$(filename))
821 # returns "REGION1,REGION2,..."
823 # This is the default implementation. When using a boot strategy employing
824 # multiple CBFSes in fmap regions, override it.
825 regions-for-file ?= COREBOOT
827 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
828 cbfs-autogen-attributes=-g
831 # cbfs-add-cmd-for-region
832 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
834 # CBFSTOOL_ADD_CMD_OPTIONS can be used by arch/SoC/mainboard to supply
835 # add commands with any additional arguments for cbfstool.
836 # Example: --ext-win-base <base> --ext-win-size <size>
837 define cbfs-add-cmd-for-region
839 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
840 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
841 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
842 -f $(call extract_nth,1,$(1)) \
843 -n $(call extract_nth,2,$(1)) \
844 $(if $(filter-out flat-binary payload stage,$(call \
845 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
846 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
847 $(cbfs-autogen-attributes) \
849 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
850 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
851 $(call extract_nth,7,$(1)) \
852 $(CBFSTOOL_ADD_CMD_OPTIONS)
855 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
859 # $(call cbfs-add-cmd,
860 # file in extract_nth format,
862 # non-empty if file removal requested)
864 printf " CBFS $(call extract_nth,2,$(1))\n"
865 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
866 $(call cbfs-add-cmd-for-region,$(1),$(2))
869 # list of files to add (using their file system names, not CBFS names),
870 # for dependencies etc.
871 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
874 # returns full list of fmap regions that we add files to
875 all-regions = $(sort $(subst $(comma),$(spc), \
876 $(foreach file,$(cbfs-files), \
877 $(call regions-for-file,$(call extract_nth,2,$(file))))))
879 # $(call all-files-in-region,region name)
880 # returns elements in $(cbfs-files) that end up in that region, in the order
881 # they appear in $(cbfs-files)
882 all-files-in-region = $(foreach file,$(cbfs-files), \
883 $(if $(filter $(1), \
884 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
887 # $(call update-file-for-region,file string from $(cbfs-files),region name)
888 # Update position and alignment according to overrides for region
889 # Doesn't check for invalid configurations (eg. resetting neither or both
890 # position and align)
891 # Returns the updated file string
892 update-file-for-region = \
893 $(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)))
895 # $(call placed-files-in-region,region name)
896 # like all-files-in-region, but updates the files to contain region overrides
897 # to position or alignment.
898 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
899 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
900 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
901 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
902 $(call update-file-for-region,$(file),$(1)), \
903 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
904 $(call update-file-for-region,$(file),$(1)), \
907 # $(call sort-files,subset of $(cbfs-files))
908 # reorders the files in the given set to list files at fixed positions first,
909 # followed by aligned files and finally those with no constraints.
911 $(eval _tmp_fixed:=) \
912 $(eval _tmp_aligned:=) \
913 $(eval _tmp_regular:=) \
914 $(foreach file,$(1), \
915 $(if $(call extract_nth,5,$(file)),\
916 $(eval _tmp_fixed += $(file)), \
917 $(if $(call extract_nth,6,$(file)), \
918 $(eval _tmp_aligned += $(file)), \
919 $(eval _tmp_regular += $(file))))) \
920 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
922 # command list to add files to CBFS
923 prebuild-files = $(foreach region,$(all-regions), \
925 $(call sort-files,$(call placed-files-in-region,$(region))), \
926 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
928 ifeq ($(CONFIG_FMDFILE),)
929 # For a description of the flash layout described by these variables, check
930 # the $(DEFAULT_FLASHMAP) .fmd files.
931 ifeq ($(CONFIG_ARCH_X86),y)
932 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
934 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
935 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
936 # entire "BIOS" region (everything directly of concern to the host system)
937 # relative to ROM_BASE
938 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
939 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
940 # position and size of flashmap, relative to BIOS_BASE
943 # X86 CONSOLE FMAP region
945 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
947 FMAP_CURRENT_BASE := 0
949 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
950 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
951 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
952 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
953 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
955 FMAP_CONSOLE_ENTRY :=
958 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
959 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
960 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
961 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
962 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
964 FMAP_MRC_CACHE_ENTRY :=
967 ifeq ($(CONFIG_SMMSTORE),y)
968 FMAP_SMMSTORE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
969 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
970 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
971 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE))
973 FMAP_SMMSTORE_ENTRY :=
976 ifeq ($(CONFIG_SPD_CACHE_IN_FMAP),y)
977 FMAP_SPD_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
978 FMAP_SPD_CACHE_SIZE := $(call int-multiply, $(CONFIG_DIMM_MAX) $(CONFIG_DIMM_SPD_SIZE))
979 FMAP_SPD_CACHE_SIZE := $(call int-align, $(FMAP_SPD_CACHE_SIZE), 0x1000)
980 FMAP_SPD_CACHE_ENTRY := $(CONFIG_SPD_CACHE_FMAP_NAME)@$(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE)
981 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_SPD_CACHE_BASE) $(FMAP_SPD_CACHE_SIZE))
983 FMAP_SPD_CACHE_ENTRY :=
986 ifeq ($(CONFIG_VPD),y)
987 FMAP_VPD_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x4000)
988 FMAP_VPD_SIZE := $(CONFIG_VPD_FMAP_SIZE)
989 FMAP_VPD_ENTRY := $(CONFIG_VPD_FMAP_NAME)@$(FMAP_VPD_BASE) $(FMAP_VPD_SIZE)
990 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_VPD_BASE) $(FMAP_VPD_SIZE))
1000 FMAP_FMAP_BASE := $(FMAP_CURRENT_BASE)
1001 FMAP_FMAP_SIZE := 0x200
1004 # X86 COREBOOT default cbfs FMAP region
1006 # position and size of CBFS, relative to BIOS_BASE
1007 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1008 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1010 else # ifeq ($(CONFIG_ARCH_X86),y)
1012 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
1015 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
1016 # entire "BIOS" region (everything directly of concern to the host system)
1017 # relative to ROM_BASE
1019 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
1020 # position and size of flashmap, relative to BIOS_BASE
1021 FMAP_FMAP_BASE := 0x20000
1022 FMAP_FMAP_SIZE := 0x200
1024 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
1027 # NON-X86 CONSOLE FMAP region
1029 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
1030 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
1031 FMAP_CONSOLE_BASE := $(FMAP_CURRENT_BASE)
1032 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
1033 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
1034 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE))
1036 FMAP_CONSOLE_ENTRY :=
1040 # NON-X86 RW_MRC_CACHE FMAP region
1042 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
1043 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1044 FMAP_MRC_CACHE_BASE := $(call int-align, $(FMAP_CURRENT_BASE), 0x10000)
1045 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
1046 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
1047 FMAP_CURRENT_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
1049 FMAP_MRC_CACHE_ENTRY :=
1053 # NON-X86 COREBOOT default cbfs FMAP region
1055 # position and size of CBFS, relative to BIOS_BASE
1056 FMAP_CBFS_BASE := $(FMAP_CURRENT_BASE)
1057 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1059 endif # ifeq ($(CONFIG_ARCH_X86),y)
1061 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
1062 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
1063 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
1064 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
1065 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
1066 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
1067 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
1068 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
1069 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
1070 -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
1071 -e "s,##SPD_CACHE_ENTRY##,$(FMAP_SPD_CACHE_ENTRY)," \
1072 -e "s,##VPD_ENTRY##,$(FMAP_VPD_ENTRY)," \
1073 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
1074 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
1075 $(DEFAULT_FLASHMAP) > $@.tmp
1077 else # ifeq ($(CONFIG_FMDFILE),)
1078 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
1079 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
1081 endif # ifeq ($(CONFIG_FMDFILE),)
1083 # generated at the same time as fmap.fmap
1084 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1086 $(obj)/fmap.desc: $(obj)/fmap.fmap
1089 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1090 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1091 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1093 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1094 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1097 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1098 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $(IFITTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
1099 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1100 ifeq ($(CONFIG_ARCH_X86),y)
1101 $(CBFSTOOL) $@.tmp add \
1102 -f $(objcbfs)/bootblock.bin \
1106 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes) \
1108 $(CBFSTOOL_ADD_CMD_OPTIONS)
1109 else # ifeq ($(CONFIG_ARCH_X86),y)
1110 $(CBFSTOOL) $@.tmp write -u \
1112 -f $(objcbfs)/bootblock.bin
1113 # make space for the CBFS master header pointer. "ptr_" is just
1114 # arbitrary 4 bytes that will be overwritten by add-master-header.
1115 printf "ptr_" > $@.tmp.2
1116 $(CBFSTOOL) $@.tmp add \
1118 -n "header pointer" \
1121 $(CBFSTOOL_ADD_CMD_OPTIONS)
1123 endif # ifeq ($(CONFIG_ARCH_X86),y)
1124 $(CBFSTOOL) $@.tmp add-master-header $(TS_OPTIONS) $(CBFSTOOL_ADD_CMD_OPTIONS)
1125 $(prebuild-files) true
1127 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1128 .PHONY: $(obj)/coreboot.pre
1129 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1130 mv $(obj)/coreboot.rom $@.tmp || \
1131 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1132 echo "Exiting." && \
1134 $(prebuild-files) true
1136 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1138 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1139 REFCODE_BLOB=$(obj)/refcode.rmod
1140 $(REFCODE_BLOB): $(RMODTOOL)
1141 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1144 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1145 RAMSTAGE=$(objcbfs)/ramstage.elf
1150 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(RAMSTAGE) $(CBFSTOOL) $$(INTERMEDIATE)
1151 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1152 # The full ROM may be larger than the CBFS part, so create an empty
1153 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1154 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1155 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1156 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1157 # Print final FIT table
1158 $(IFITTOOL) -f $@.tmp -D -r COREBOOT
1159 # Print final TS BOOTBLOCK FIT table
1160 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1161 @printf " TOP SWAP FIT table\n"
1162 $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT
1163 endif # CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK
1164 endif # CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE
1166 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1167 $(CBFSTOOL) $@ layout
1168 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1169 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1171 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1172 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1173 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1174 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1175 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1176 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1178 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1179 # Use a 64 byte alignment to provide a minimum alignment
1180 # requirement for the overall romstage. While the first object within
1181 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1182 # won't decide the entire section should be aligned to a larger value. In the
1183 # future cbfstool should add XIP files proper and honor the alignment
1184 # requirements of the program segment.
1186 # Make sure that segment for .car.data is ignored while adding romstage.
1187 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1188 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1190 # If CAR does not support execution of code, romstage on x86 is expected to be
1192 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1193 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1195 # For efficient MTRR utilisation use natural alignment for romstage.
1196 ifeq ($(CONFIG_SETUP_XIP_CACHE),y)
1197 $(CONFIG_CBFS_PREFIX)/romstage-options += --pow2page
1198 endif # CONFIG_SETUP_XIP_CACHE
1200 endif # CONFIG_NO_XIP_EARLY_STAGES
1201 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1202 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y)
1203 $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB)
1206 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1207 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1208 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1209 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1211 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1212 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1213 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1214 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1216 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1217 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1218 vgaroms/seavgabios.bin-type := raw
1220 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1221 config-file := $(DOTCONFIG):defconfig
1224 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1225 revision-file := $(obj)/build.h
1226 revision-type := raw
1228 cbfs-files-y += build_info
1229 build_info-file := $(obj)/build_info
1230 build_info-type := raw
1232 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1233 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1234 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1235 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1237 # Ensure that no payload segment overlaps with memory regions used by ramstage
1238 # (not for x86 since it can relocate itself in that case)
1239 ifneq ($(CONFIG_ARCH_X86),y)
1240 check-ramstage-overlap-regions := ramstage
1241 check-ramstage-overlap-files :=
1242 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1243 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1246 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1247 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1248 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1250 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1251 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1253 check-ramstage-overlaps: $(obj)/coreboot.pre
1254 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1255 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1256 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1258 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1259 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1261 for x in $$programs; do \
1262 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1263 pend=$$(($$pstart + $$x)) ; \
1264 rname= ; rstart= ; rend= ; \
1265 for y in $$regions ; do \
1266 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1267 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1269 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1270 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1271 $(check-ramstage-overlap-files) ; \
1274 rname= ; rstart= ; rend= ; \
1279 INTERMEDIATE+=check-ramstage-overlaps
1280 PHONY+=check-ramstage-overlaps