2 ## This file is part of the coreboot project.
4 ## Copyright (C) 2011 secunet Security Networks AG
6 ## This program is free software; you can redistribute it and/or modify
7 ## it under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation; version 2 of the License.
10 ## This program is distributed in the hope that it will be useful,
11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ## GNU General Public License for more details.
16 ifneq ($(NOCOMPILE),1)
17 GIT:=$(shell git -C "$(top)" rev-parse --git-dir 1>/dev/null 2>&1 \
23 #######################################################################
24 # normalize Kconfig variables in a central place
25 CONFIG_CBFS_PREFIX:=$(call strip_quotes,$(CONFIG_CBFS_PREFIX))
26 CONFIG_FMDFILE:=$(call strip_quotes,$(CONFIG_FMDFILE))
27 CONFIG_DEVICETREE:=$(call strip_quotes, $(CONFIG_DEVICETREE))
28 CONFIG_OVERRIDE_DEVICETREE:=$(call strip_quotes, $(CONFIG_OVERRIDE_DEVICETREE))
30 #######################################################################
31 # misleadingly named, this is the coreboot version
32 ifeq ($(KERNELVERSION),)
33 ifeq ($(BUILD_TIMELESS),1)
34 KERNELVERSION := -TIMELESS--LESSTIME-
36 KERNELVERSION := $(strip $(if $(GIT),\
37 $(shell git describe --dirty --always || git describe),\
38 $(if $(wildcard $(top)/.coreboot-version),\
39 $(shell cat $(top)/.coreboot-version),\
40 coreboot-unknown$(KERNELREVISION))))
43 COREBOOT_EXPORTS += KERNELVERSION
45 #######################################################################
46 # Basic component discovery
47 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
48 VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
49 COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR
51 ## Final build results, which CBFSTOOL uses to create the final
52 ## rom image file, are placed under $(objcbfs).
53 ## These typically have suffixes .debug .elf .bin and .map
54 objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
55 COREBOOT_EXPORTS += objcbfs
57 ## Based on the active configuration, Makefile conditionally collects
58 ## the required assembly includes and saves them in a file.
59 ## Such files that do not have a clear one-to-one relation to a source
60 ## file under src/ are placed and built under $(objgenerated)
61 objgenerated := $(obj)/generated
62 COREBOOT_EXPORTS += objgenerated
64 ## CCACHE_EXTRAFILES can be set by individual rules to help CCACHE
65 ## discover dependencies it might not notice on its own (e.g. asm (".incbin")).
66 COREBOOT_EXPORTS += CCACHE_EXTRAFILES
68 #######################################################################
69 # root rule to resolve if in build mode (ie. configuration exists)
70 real-target: $(obj)/config.h coreboot files_added
71 coreboot: build-dirs $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool
73 # This target can be used in site local to run scripts or additional
74 # targets after the build completes by creating a Makefile.inc in the
75 # site-local directory with a target named 'build_complete::'
76 build_complete:: coreboot
77 printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \
78 $(CONFIG_MAINBOARD_PART_NUMBER)
80 # This target can be used to run rules after all files were added to CBFS,
81 # for example to process FMAP regions or the entire image.
82 files_added:: build_complete
84 #######################################################################
86 PHONY+= clean-abuild coreboot check-style build-dirs build_complete
88 #######################################################################
89 # root source directories of coreboot
90 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi
91 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
92 subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
93 subdirs-y += src/superio
94 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*)
95 subdirs-y += src/cpu src/vendorcode
96 subdirs-y += util/cbfstool util/sconfig util/nvramtool
97 subdirs-y += util/futility util/marvell util/bincfg
98 subdirs-y += $(wildcard src/arch/*)
99 subdirs-y += src/mainboard/$(MAINBOARDDIR)
100 subdirs-y += src/security
101 subdirs-y += payloads payloads/external
103 subdirs-y += site-local
104 subdirs-y += util/checklist util/testing
106 #######################################################################
107 # Add source classes and their build options
108 classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
110 # Add a special 'all' class to add sources to all stages
111 $(call add-special-class,all)
112 all-handler = $(foreach class,bootblock verstage romstage postcar ramstage,$(eval $(class)-y += $(2)))
114 # Add dynamic classes for rmodules
115 $(foreach supported_arch,$(ARCH_SUPPORTED), \
116 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
117 # Provide a macro to determine environment for free standing rmodules.
118 $(foreach supported_arch,$(ARCH_SUPPORTED), \
119 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
121 #######################################################################
122 # Helper functions for math, strings, and various file placement matters.
123 # macros work on all formats understood by printf(1)
124 # values are space separated if using more than one value
126 # int-add: adds an arbitrary length list of integers
127 # int-subtract: subtracts the second of two integers from the first
128 # int-multiply: multiplies an arbitrary length list of integers
129 # int-divide: divides the first integer by the second
130 # int-remainder: arithmetic remainder of the first number divided by the second
131 # int-shift-left: Shift $1 left by $2 bits
132 # int-lt: 1 if the first value is less than the second. 0 otherwise
133 # int-gt: 1 if the first values is greater than the second. 0 otherwise
134 # int-eq: 1 if the two values are equal. 0 otherwise
135 # int-align: align $1 to $2 units
136 # file-size: returns the filesize of the given file
137 # tolower: returns the value in all lowercase
138 # toupper: returns the value in all uppercase
139 # ws_to_under: returns the value with any whitespace changed to underscores
140 _toint=$(shell printf "%d" $1)
141 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
142 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
143 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
144 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
145 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
146 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
147 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
148 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
149 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
150 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
151 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
152 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
153 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
154 file-size=$(strip $(shell cat $1 | wc -c))
155 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
156 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
157 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
159 #######################################################################
160 # Helper functions for ramstage postprocess
165 # Returns all files and dirs below `dir` (recursively).
166 # files-below-dir,dir,files
167 files-below-dir=$(filter $(1)%,$(2))
169 # Returns all dirs below `dir` (recursively).
170 # dirs-below-dir,dir,files
171 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
173 # Returns all files directly in `dir` (non-recursively).
174 # files-in-dir,dir,files
175 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
177 #######################################################################
178 # reduce command line length by linking the objects of each
179 # directory into an intermediate file
180 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
181 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
182 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
183 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
185 decompressor-generic-ccopts += -D__PRE_RAM__ -D__DECOMPRESSOR__
186 bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
187 romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
188 ramstage-generic-ccopts += -D__RAMSTAGE__
189 ifeq ($(CONFIG_TRACE),y)
190 ramstage-c-ccopts += -finstrument-functions
192 ifeq ($(CONFIG_COVERAGE),y)
193 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
196 ifneq ($(UPDATED_SUBMODULES),1)
197 # try to fetch non-optional submodules if the source is under git
198 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
199 ifeq ($(CONFIG_USE_BLOBS),y)
200 # These items are necessary because each has update=none in .gitmodules. They are ignored
201 # until expressly requested and enabled with --checkout
202 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
203 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/intel-microcode))
204 ifeq ($(CONFIG_PLATFORM_USES_FSP1_0)$(CONFIG_PLATFORM_USES_FSP1_1)$(CONFIG_PLATFORM_USES_FSP2_0),y)
205 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/fsp))
207 ifeq ($(CONFIG_USE_AMD_BLOBS),y)
208 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/amd_blobs))
211 UPDATED_SUBMODULES:=1
212 COREBOOT_EXPORTS += UPDATED_SUBMODULES
215 postcar-c-deps:=$$(OPTION_TABLE_H)
216 ramstage-c-deps:=$$(OPTION_TABLE_H)
217 romstage-c-deps:=$$(OPTION_TABLE_H)
218 verstage-c-deps:=$$(OPTION_TABLE_H)
219 bootblock-c-deps:=$$(OPTION_TABLE_H)
220 $(foreach type,ads adb, \
221 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
222 $(eval $(stage)-$(type)-deps := \
223 $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
224 $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
226 # Add handler to copy linker scripts
227 define generic-objs_ld_template_gen
228 de$(EMPTY)fine $(1)-objs_ld_template
229 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
230 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
231 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
235 # Add handler to deal with archives
236 define generic-objs_a_template_gen
237 de$(EMPTY)fine $(1)-objs_a_template
238 $$(call src-to-obj,$1,$$(1).a): $$(1).a
239 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
240 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
245 # Add handler to add no rules for manual files
246 define generic-objs_manual_template_gen
250 #######################################################################
251 # Add handler to compile ACPI's ASL
252 # arg1: base file name
253 # arg2: y or n for including in cbfs. defaults to y
255 # Empty resource templates were marked as a warning in IASL with the comment
256 # "This would appear to be worthless in real-world ASL code.", which is
257 # possibly true in many cases. In other cases it seems that an empty
258 # ResourceTemplate is the correct code.
259 # As it's valid ASL, disable the warning.
260 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
261 IGNORED_IASL_WARNINGS = -vw $(EMPTY_RESOURCE_TEMPLATE_WARNING)
264 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
265 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
266 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
267 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
268 -include $(obj)/$(1).d
269 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
270 @printf " IASL $$(subst $(top)/,,$$(@))\n"
271 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
272 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
273 if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \
274 echo " IASL $$@ disassembled correctly."; \
277 echo "Error: Could not correctly disassemble $$@"; \
283 #######################################################################
284 # Parse plaintext cmos defaults into binary format
286 # arg2: binary file name
287 cbfs-files-processor-nvramtool= \
288 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
289 printf " CREATE $(2) (from $(1))\n"; \
290 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
293 #######################################################################
294 # Link VSA binary to ELF-ish stage
296 # arg2: binary file name
297 cbfs-files-processor-vsa= \
298 $(eval $(2): $(1) ; \
299 printf " CREATE $(2) (from $(1))\n"; \
300 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
301 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
303 #######################################################################
304 # Reduce a .config file to its minimal representation
307 cbfs-files-processor-defconfig= \
308 $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
309 +printf " CREATE $(2) (from $(1))\n"; \
310 printf "\# This image was built using coreboot " > $(2).tmp && \
311 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
312 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
313 cat $(2).tmp2 >> $(2).tmp && \
315 \mv -f $(2).tmp $(2))
317 #######################################################################
318 # Compile a C file with a bare struct definition into binary
319 # arg1: C source file
321 cbfs-files-processor-struct= \
322 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
323 printf " CC+STRIP $(@)\n"; \
324 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
325 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
327 $(eval DEPENDENCIES += $(2).d)
329 #######################################################################
330 # Add handler for arbitrary files in CBFS
331 $(call add-special-class,cbfs-files)
332 cbfs-files-handler= \
333 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
334 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
335 $(eval tmp-cbfs-file:= ) \
337 $(if $(wildcard $(1)$($(2)-file)), \
338 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
339 $(eval tmp-cbfs-file:= $($(2)-file)))) \
340 $(if $(strip $($(2)-required)), \
341 $(if $(wildcard $(tmp-cbfs-file)),, \
342 $(info This build configuration requires $($(2)-required)) \
343 $(eval FAILBUILD:=1) \
345 $(if $(strip $($(2)-align)), \
346 $(if $(strip $($(2)-position)), \
347 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
348 $(eval FAILBUILD:=1) \
350 $(if $(tmp-cbfs-method), \
351 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
352 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
353 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
354 $(if $(tmp-cbfs-file), \
355 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
356 $(eval $(2)-name:=) \
357 $(eval $(2)-type:=) \
358 $(eval $(2)-compression:=) \
359 $(eval $(2)-position:=) \
360 $(eval $(2)-required:=) \
361 $(eval $(2)-options:=) \
364 #######################################################################
365 # a variety of flags for our build
366 CBFS_COMPRESS_FLAG:=none
367 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
368 CBFS_COMPRESS_FLAG:=LZMA
371 CBFS_PAYLOAD_COMPRESS_FLAG:=none
372 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
373 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
375 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
376 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
379 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
380 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
381 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
384 CBFS_PRERAM_COMPRESS_FLAG:=none
385 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
386 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
389 ifneq ($(CONFIG_LOCALVERSION),"")
390 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
391 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
394 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
395 VBOOT_SOURCE ?= 3rdparty/vboot
396 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
397 CPPFLAGS_common += -include $(src)/include/kconfig.h
398 CPPFLAGS_common += -include $(src)/include/rules.h
399 CPPFLAGS_common += -include $(src)/commonlib/include/commonlib/compiler.h
400 CPPFLAGS_common += -I3rdparty
401 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
403 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
404 CPPFLAGS_ramstage += -Isrc/device/oprom/include
407 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
408 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
409 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wimplicit-fallthrough
410 CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time -Wtype-limits -Wvla
411 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
412 CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
413 ifeq ($(CONFIG_COMPILER_GCC),y)
414 CFLAGS_common += -fno-delete-null-pointer-checks
415 # Don't add these GCC specific flags when running scan-build
416 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
417 CFLAGS_common += -Wno-packed-not-aligned
418 CFLAGS_common += -fconserve-stack
419 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
420 CFLAGS_common += -Wno-unused-but-set-variable
424 ADAFLAGS_common += -gnatp
425 ADAFLAGS_common += -Wuninitialized -Wall -Werror
426 ADAFLAGS_common += -pipe -g -nostdinc
427 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
428 ADAFLAGS_common += -fno-common -fomit-frame-pointer
429 ADAFLAGS_common += -ffunction-sections -fdata-sections
430 # Ada warning options:
432 # a Activate most optional warnings.
433 # .e Activate every optional warnings.
434 # e Treat warnings and style checks as errors.
436 # D Suppress warnings on implicit dereferences:
437 # As SPARK does not accept access types we have to map the
438 # dynamically chosen register locations to a static SPARK
441 # .H Suppress warnings on holes/gaps in records:
442 # We are modelling hardware here!
444 # H Suppress warnings on hiding:
445 # It's too annoying, you run out of ideas for identifiers fast.
447 # T Suppress warnings for tracking of deleted conditional code:
448 # We use static options to select code paths at compile time.
450 # U Suppress warnings on unused entities:
451 # Would have lots of warnings for unused register definitions,
452 # `withs` for debugging etc.
454 # .U Deactivate warnings on unordered enumeration types:
455 # As SPARK doesn't support `pragma Ordered` by now, we don't
458 # .W Suppress warnings on unnecessary Warnings Off pragmas:
459 # Things get really messy when you use different compiler
460 # versions, otherwise.
461 # .Y Disable information messages for why package spec needs body:
462 # Those messages are annoying. But don't forget to enable those,
463 # if you need the information.
464 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
465 # Disable style checks for now
466 ADAFLAGS_common += -gnatyN
468 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
470 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
471 CFLAGS_common += -Werror
473 ifneq ($(GDB_DEBUG),)
475 ADAFLAGS_common += -Og
478 ADAFLAGS_common += -Os
481 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
482 ADAFLAGS_common += -gnata
485 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
486 $(objutil)/options $(objutil)/amdfwtool \
487 $(objutil)/cbootimage $(objutil)/bimgtool
489 export $(COREBOOT_EXPORTS)
491 #######################################################################
492 # generate build support files
494 build_h := $(obj)/build.h
496 # We have to manually export variables that `genbuild_h.sh` uses
497 # when we call it through the `$(shell)` function. This is fragile
498 # but as variables newly added to `genbuild_h.sh` would just not
499 # work, we'd notice that instantly at least.
500 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
502 # Report new `build.ht` as dependency if `build.h` differs.
504 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
505 util/genbuild_h/genbuild_h.sh .xcompile >$(build_h)t 2>/dev/null; \
506 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
508 $(build_h): $$(shell $$(build_h_check))
509 @printf " GEN build.h\n"
512 build-dirs $(objcbfs) $(objgenerated):
513 mkdir -p $(objcbfs) $(objgenerated)
515 #######################################################################
517 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
518 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
519 RMODTOOL:=$(objutil)/cbfstool/rmodtool
520 IFWITOOL:=$(objutil)/cbfstool/ifwitool
521 IFITTOOL:=$(objutil)/cbfstool/ifittool
522 AMDCOMPRESS:=$(objutil)/cbfstool/amdcompress
524 $(obj)/cbfstool: $(CBFSTOOL)
527 $(obj)/fmaptool: $(FMAPTOOL)
530 $(obj)/rmodtool: $(RMODTOOL)
533 $(obj)/ifwitool: $(IFWITOOL)
536 $(obj)/ifittool: $(IFITTOOL)
539 $(obj)/amdcompress: $(AMDCOMPRESS)
542 _WINCHECK=$(shell uname -o 2> /dev/null)
544 ifeq ($(_WINCHECK),Msys)
545 STACK=-Wl,--stack,16384000
547 ifeq ($(_WINCHECK),Cygwin)
548 STACK=-Wl,--stack,16384000
551 # this allows ccache to prepend itself
552 # (ccache handling happens first)
553 ROMCC_BIN= $(objutil)/romcc/romcc
555 $(ROMCC_BIN): $(top)/util/romcc/romcc.c
556 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
557 @# Note: Adding -O2 here might cause problems. For details see:
558 @# https://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
559 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
561 BINCFG:=$(objutil)/bincfg/bincfg
563 IFDTOOL:=$(objutil)/ifdtool/ifdtool
565 @printf " Compile IFDTOOL\n"
566 +$(MAKE) -C $(top)/util/ifdtool
567 cp -a $(top)/util/ifdtool/ifdtool $@
569 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
570 $(AMDFWTOOL): $(top)/util/amdfwtool/amdfwtool.c
571 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
572 $(HOSTCC) $(HOSTCFLAGS) -DCONFIG_ROM_SIZE=$(CONFIG_ROM_SIZE) -o $@ $<
574 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
576 FUTILITY?=$(objutil)/futility/futility
578 subdirs-y += util/nvidia
580 BIMGTOOL:=$(objutil)/bimgtool/bimgtool
581 $(BIMGTOOL): $(top)/util/bimgtool/bimgtool.c
582 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
583 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
585 $(obj)/config.h: $(objutil)/kconfig/conf
587 #######################################################################
588 # needed objects that every mainboard uses
589 # Creation of these is architecture and mainboard independent
590 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
592 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
594 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
598 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
599 DEVICETREE_STATIC_H := $(obj)/static.h
601 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
602 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
603 mkdir -p $(dir $(DEVICETREE_STATIC_C))
604 $(objutil)/sconfig/sconfig $(DEVICETREE_FILE) $(DEVICETREE_STATIC_C) $(DEVICETREE_STATIC_H) $(OVERRIDE_DEVICETREE_FILE)
606 ramstage-y+=$(DEVICETREE_STATIC_C)
607 romstage-y+=$(DEVICETREE_STATIC_C)
608 verstage-y+=$(DEVICETREE_STATIC_C)
609 bootblock-y+=$(DEVICETREE_STATIC_C)
610 postcar-y+=$(DEVICETREE_STATIC_C)
611 smm-y+=$(DEVICETREE_STATIC_C)
613 #######################################################################
616 rm -rf coreboot-builds
618 clean-for-update-target: clean-payloads
619 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
620 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
621 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
622 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
623 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
624 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
625 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
626 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
629 rm -f $(obj)/coreboot*
631 #######################################################################
632 # Development utilities
635 @echo ldscripts=$(ldscripts)
638 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
641 grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
643 util/lint/check-style
647 util/gitconfig/gitconfig.sh "$(MAKE)"
649 install-git-commit-clangfmt:
650 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
652 include util/crossgcc/Makefile.inc
655 tools: $(objutil)/kconfig/conf $(objutil)/kconfig/toada $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(ROMCC_BIN) $(objutil)/sconfig/sconfig $(IFDTOOL) $(CBOOTIMAGE) $(AMDFWTOOL) $(AMDCOMPRESS) $(FUTILITY) $(BINCFG) $(IFITTOOL)
657 ###########################################################################
658 # Common recipes for all stages
659 ###########################################################################
661 # loadaddr can determine the load address of a stage, which may be needed for
662 # platform-specific image headers (only works *after* the stage has been built)
663 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
664 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
666 # find-substr is required for stages like romstage_null and romstage_xip to
667 # eliminate the _* part of the string
668 find-substr = $(word 1,$(subst _, ,$(1)))
670 # find-class is used to identify the class from the name of the stage
671 # The input to this macro can be something like romstage.x or romstage.x.y
672 # find-class recursively strips off the suffixes to extract the exact class name
673 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
674 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
675 # and remove .x the next time and finally return romstage
676 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
678 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
679 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
680 # include the bss section in the binary so the BootROM clears the bss on
681 # loading of the bootblock stage. Achieve this by marking the bss section
682 # loadable,allocatable, and data. Do the same for the .data section in case
683 # the linker marked it NOBITS automatically because there are only zeroes in it.
684 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
686 # For Intel TXT files in the CBFS needs to be marked as 'Initial Boot Block'.
687 # As CBFS attributes aren't cheap, only mark them if TXT is enabled.
688 ifeq ($(CONFIG_INTEL_TXT),y)
698 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
700 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
701 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
702 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
703 $(OBJCOPY_bootblock) -O binary $@.tmp
704 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
708 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
709 # Makefiles wrapping the bootblock in a header can always key off the same file.
710 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
711 @printf " OBJCOPY $(notdir $(@))\n"
712 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
714 else # CONFIG_COMPRESS_BOOTBLOCK
716 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
717 @printf " OBJCOPY $(notdir $(@))\n"
718 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
720 endif # CONFIG_COMPRESS_BOOTBLOCK
722 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
723 @printf " OBJCOPY $(notdir $(@))\n"
724 $(OBJCOPY_bootblock) -O binary $< $@
726 ifneq ($(CONFIG_HAVE_BOOTBLOCK),y)
727 $(objcbfs)/bootblock.bin: $(objcbfs)
728 dd if=/dev/zero of=$@ bs=64 count=1
731 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
734 $(objcbfs)/%.elf: $(objcbfs)/%.debug
735 $(eval class := $(call find-class,$(@F)))
736 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
738 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
739 $(OBJCOPY_$(class)) --strip-debug $@.tmp
740 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
744 ###########################################################################
745 # Build the final rom image
746 ###########################################################################
748 # extract_nth - Return a subsection of the $file string
750 # the input string looks like this:
751 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
754 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
755 # 2 - Name of file in cbfs [$(FILENAME)-file]
756 # 3 - File type: [$(FILENAME)-type]
757 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
758 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
759 # mma, efi, deleted, null
760 # 4 - Compression type [$(FILENAME)-compression]
762 # 5 - Base address [$(FILANAME)-position]
763 # 6 - Alignment [$(FILENAME)-align]
764 # 7 - cbfstool flags [$(FILENAME)-options]
767 # $(1) = Section to extract
768 # $(2) = Input string
771 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
772 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
773 # 3) remove the leading and trailing '-' characters
774 # 4) replace all '*' characters with spaces
775 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
777 # regions-for-file - Returns a cbfstool regions parameter
778 # $(call regions-for-file,$(filename))
779 # returns "REGION1,REGION2,..."
781 # This is the default implementation. When using a boot strategy employing
782 # multiple CBFSes in fmap regions, override it.
783 regions-for-file ?= COREBOOT
785 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
786 cbfs-autogen-attributes=-g
789 # cbfs-add-cmd-for-region
790 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
791 define cbfs-add-cmd-for-region
793 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
794 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
795 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
796 -f $(call extract_nth,1,$(1)) \
797 -n $(call extract_nth,2,$(1)) \
798 $(if $(filter-out flat-binary payload stage,$(call \
799 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
800 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
801 $(cbfs-autogen-attributes) \
803 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
804 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
805 $(call extract_nth,7,$(1))
809 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
813 # $(call cbfs-add-cmd,
814 # file in extract_nth format,
816 # non-empty if file removal requested)
818 printf " CBFS $(call extract_nth,2,$(1))\n"
819 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
820 $(call cbfs-add-cmd-for-region,$(1),$(2))
823 # list of files to add (using their file system names, not CBFS names),
824 # for dependencies etc.
825 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
828 # returns full list of fmap regions that we add files to
829 all-regions = $(sort $(subst $(comma),$(spc), \
830 $(foreach file,$(cbfs-files), \
831 $(call regions-for-file,$(call extract_nth,2,$(file))))))
833 # $(call all-files-in-region,region name)
834 # returns elements in $(cbfs-files) that end up in that region, in the order
835 # they appear in $(cbfs-files)
836 all-files-in-region = $(foreach file,$(cbfs-files), \
837 $(if $(filter $(1), \
838 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
841 # $(call update-file-for-region,file string from $(cbfs-files),region name)
842 # Update position and alignment according to overrides for region
843 # Doesn't check for invalid configurations (eg. resetting neither or both
844 # position and align)
845 # Returns the updated file string
846 update-file-for-region = \
847 $(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)))
849 # $(call placed-files-in-region,region name)
850 # like all-files-in-region, but updates the files to contain region overrides
851 # to position or alignment.
852 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
853 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
854 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
855 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
856 $(call update-file-for-region,$(file),$(1)), \
857 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
858 $(call update-file-for-region,$(file),$(1)), \
861 # $(call sort-files,subset of $(cbfs-files))
862 # reorders the files in the given set to list files at fixed positions first,
863 # followed by aligned files and finally those with no constraints.
865 $(eval _tmp_fixed:=) \
866 $(eval _tmp_aligned:=) \
867 $(eval _tmp_regular:=) \
868 $(foreach file,$(1), \
869 $(if $(call extract_nth,5,$(file)),\
870 $(eval _tmp_fixed += $(file)), \
871 $(if $(call extract_nth,6,$(file)), \
872 $(eval _tmp_aligned += $(file)), \
873 $(eval _tmp_regular += $(file))))) \
874 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
876 # command list to add files to CBFS
877 prebuild-files = $(foreach region,$(all-regions), \
879 $(call sort-files,$(call placed-files-in-region,$(region))), \
880 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
882 ifeq ($(CONFIG_FMDFILE),)
883 # For a description of the flash layout described by these variables, check
884 # the $(DEFAULT_FLASHMAP) .fmd files.
885 ifeq ($(CONFIG_ARCH_X86),y)
886 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
888 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
889 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
890 # entire "BIOS" region (everything directly of concern to the host system)
891 # relative to ROM_BASE
892 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
893 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
894 # position and size of flashmap, relative to BIOS_BASE
897 # X86 CONSOLE FMAP region
899 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
900 FMAP_CONSOLE_BASE := 0
901 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
902 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
903 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
904 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
905 FMAP_CONSOLE_SIZE := 0
906 FMAP_CONSOLE_ENTRY :=
907 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
910 # X86 RW_MRC_CACHE FMAP region
912 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
913 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
914 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
915 $(FMAP_CONSOLE_SIZE)), 0x10000)
916 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
917 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
918 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
919 FMAP_MRC_CACHE_BASE := 0
920 FMAP_MRC_CACHE_SIZE := 0
921 FMAP_MRC_CACHE_ENTRY :=
922 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
925 # X86 SMMSTORE FMAP region
927 # position, size and entry line of SMMSTORE relative to BIOS_BASE, if enabled
928 ifeq ($(CONFIG_SMMSTORE),y)
929 FMAP_SMMSTORE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
930 $(FMAP_CONSOLE_SIZE) $(FMAP_MRC_CACHE_SIZE)), 0x10000)
931 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
932 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
933 else # ifeq ($(CONFIG_SMMSTORE),y)
934 FMAP_SMMSTORE_BASE := 0
935 FMAP_SMMSTORE_SIZE := 0
936 FMAP_SMMSTORE_ENTRY :=
937 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
944 FMAP_FMAP_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE) \
945 $(FMAP_MRC_CACHE_SIZE) $(FMAP_SMMSTORE_SIZE))
946 FMAP_FMAP_SIZE := 0x200
949 # X86 COREBOOT default cbfs FMAP region
951 # position and size of CBFS, relative to BIOS_BASE
952 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
953 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
954 else # ifeq ($(CONFIG_ARCH_X86),y)
955 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
958 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
959 # entire "BIOS" region (everything directly of concern to the host system)
960 # relative to ROM_BASE
962 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
963 # position and size of flashmap, relative to BIOS_BASE
964 FMAP_FMAP_BASE := 0x20000
965 FMAP_FMAP_SIZE := 0x100
968 # NON-X86 CONSOLE FMAP region
970 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
971 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
972 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
973 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
974 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
975 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
976 FMAP_CONSOLE_BASE := 0
977 FMAP_CONSOLE_SIZE := 0
978 FMAP_CONSOLE_ENTRY :=
979 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
982 # NON-X86 RW_MRC_CACHE FMAP region
984 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
985 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
986 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
987 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
988 $(FMAP_CONSOLE_SIZE)), 0x10000)
990 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
991 $(FMAP_FMAP_SIZE)), 0x10000)
993 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
994 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
995 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
996 FMAP_MRC_CACHE_BASE := 0
997 FMAP_MRC_CACHE_SIZE := 0
998 FMAP_MRC_CACHE_ENTRY :=
999 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
1002 # NON-X86 COREBOOT default cbfs FMAP region
1004 # position and size of CBFS, relative to BIOS_BASE
1005 FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE) \
1006 $(FMAP_MRC_CACHE_SIZE))
1007 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
1008 endif # ifeq ($(CONFIG_ARCH_X86),y)
1010 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
1011 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
1012 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
1013 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
1014 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
1015 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
1016 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
1017 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
1018 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
1019 -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
1020 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
1021 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
1022 $(DEFAULT_FLASHMAP) > $@.tmp
1024 else # ifeq ($(CONFIG_FMDFILE),)
1025 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
1026 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
1028 endif # ifeq ($(CONFIG_FMDFILE),)
1030 # generated at the same time as fmap.fmap
1031 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1033 $(obj)/fmap.desc: $(obj)/fmap.fmap
1036 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1037 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1038 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1040 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1041 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1043 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1044 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $(IFITTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
1045 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1046 ifeq ($(CONFIG_ARCH_X86),y)
1047 $(CBFSTOOL) $@.tmp add \
1048 -f $(objcbfs)/bootblock.bin \
1052 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes) \
1054 else # ifeq ($(CONFIG_ARCH_X86),y)
1055 $(CBFSTOOL) $@.tmp write -u \
1057 -f $(objcbfs)/bootblock.bin
1058 # make space for the CBFS master header pointer. "ptr_" is just
1059 # arbitrary 4 bytes that will be overwritten by add-master-header.
1060 printf "ptr_" > $@.tmp.2
1061 $(CBFSTOOL) $@.tmp add \
1063 -n "header pointer" \
1067 endif # ifeq ($(CONFIG_ARCH_X86),y)
1068 $(CBFSTOOL) $@.tmp add-master-header $(TS_OPTIONS)
1069 $(prebuild-files) true
1071 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1072 .PHONY: $(obj)/coreboot.pre
1073 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1074 mv $(obj)/coreboot.rom $@.tmp || \
1075 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1076 echo "Exiting." && \
1078 $(prebuild-files) true
1080 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1082 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1083 REFCODE_BLOB=$(obj)/refcode.rmod
1084 $(REFCODE_BLOB): $(RMODTOOL)
1085 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1088 FIT_ENTRY=$(call strip_quotes, $(CONFIG_INTEL_TOP_SWAP_FIT_ENTRY_FMAP_REG))
1090 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1091 RAMSTAGE=$(objcbfs)/ramstage.elf
1096 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(RAMSTAGE) $(CBFSTOOL) $$(INTERMEDIATE)
1098 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1099 # The full ROM may be larger than the CBFS part, so create an empty
1100 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1101 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1102 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1103 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
1104 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
1105 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1106 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
1107 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
1111 ifeq ($(CONFIG_SEABIOS_ADD_SERCON_PORT_FILE),y)
1112 @printf " SeaBIOS Add sercon-port file\n"
1113 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_SERCON_PORT_ADDR) -n etc/sercon-port
1115 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1116 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1117 @printf " UPDATE-FIT\n"
1118 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1121 ifeq ($(CONFIG_USE_CPU_MICROCODE_CBFS_BINS),y)
1122 @printf " UPDATE-FIT\n"
1123 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1126 $(IFITTOOL) -f $@.tmp -D -r COREBOOT
1128 # Second FIT in TOP_SWAP bootblock
1129 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1130 # INTEL_TOP_SWAP_FIT_ENTRY_FMAP_REG adds a region as first ucode into the seconds bootblock
1131 ifneq ($(FIT_ENTRY),)
1132 @printf " UPDATE-FIT2\n"
1133 $(IFITTOOL) -f $@.tmp -A -n $(FIT_ENTRY) -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1134 $(TS_OPTIONS) -r COREBOOT
1136 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1137 @printf " UPDATE-FIT2\n"
1138 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1139 $(TS_OPTIONS) -r COREBOOT
1141 ifeq ($(CONFIG_USE_CPU_MICROCODE_CBFS_BINS),y)
1142 @printf " UPDATE-FIT2\n"
1143 $(IFITTOOL) -f $@.tmp -a -n cpu_microcode_blob.bin -t 1 -s $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1144 $(TS_OPTIONS) -r COREBOOT
1146 $(IFITTOOL) -f $@.tmp -D $(TS_OPTIONS) -r COREBOOT
1152 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1153 $(CBFSTOOL) $@ layout
1154 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1155 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1157 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1158 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1159 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1160 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1161 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1162 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1164 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1165 # Use a 64 byte alignment to provide a minimum alignment
1166 # requirement for the overall romstage. While the first object within
1167 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1168 # won't decide the entire section should be aligned to a larger value. In the
1169 # future cbfstool should add XIP files proper and honor the alignment
1170 # requirements of the program segment.
1172 # Make sure that segment for .car.data is ignored while adding romstage.
1173 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1174 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1176 # If CAR does not support execution of code, romstage on x86 is expected to be
1178 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1179 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1181 # If XIP_ROM_SIZE isn't being used don't overly constrain romstage by passing
1182 # -P with a default value.
1183 ifneq ($(CONFIG_NO_FIXED_XIP_ROM_SIZE),y)
1184 $(CONFIG_CBFS_PREFIX)/romstage-options += -P $(CONFIG_XIP_ROM_SIZE)
1185 endif # CONFIG_NO_FIXED_XIP_ROM_SIZE
1187 endif # CONFIG_NO_XIP_EARLY_STAGES
1188 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1189 ifeq ($(CONFIG_VBOOT_STARTS_IN_ROMSTAGE),y)
1190 $(CONFIG_CBFS_PREFIX)/romstage-options += $(TXTIBB)
1193 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1194 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1195 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1196 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1198 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1199 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1200 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1201 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1203 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1204 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1205 vgaroms/seavgabios.bin-type := raw
1207 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1208 config-file := $(DOTCONFIG):defconfig
1211 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1212 revision-file := $(obj)/build.h
1213 revision-type := raw
1215 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1216 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1217 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1218 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1220 # Ensure that no payload segment overlaps with memory regions used by ramstage
1221 # (not for x86 since it can relocate itself in that case)
1222 ifneq ($(CONFIG_ARCH_X86),y)
1223 check-ramstage-overlap-regions := ramstage
1224 check-ramstage-overlap-files :=
1225 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1226 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1229 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1230 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1231 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1233 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1234 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1236 check-ramstage-overlaps: $(obj)/coreboot.pre
1237 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1238 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1239 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1241 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1242 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1244 for x in $$programs; do \
1245 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1246 pend=$$(($$pstart + $$x)) ; \
1247 rname= ; rstart= ; rend= ; \
1248 for y in $$regions ; do \
1249 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1250 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1252 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1253 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1254 $(check-ramstage-overlap-files) ; \
1257 rname= ; rstart= ; rend= ; \
1262 INTERMEDIATE+=check-ramstage-overlaps
1263 PHONY+=check-ramstage-overlaps