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 dynamic classes for rmodules
111 $(foreach supported_arch,$(ARCH_SUPPORTED), \
112 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
113 # Provide a macro to determine environment for free standing rmodules.
114 $(foreach supported_arch,$(ARCH_SUPPORTED), \
115 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
117 #######################################################################
118 # Helper functions for math, strings, and various file placement matters.
119 # macros work on all formats understood by printf(1)
120 # values are space separated if using more than one value
122 # int-add: adds an arbitrary length list of integers
123 # int-subtract: subtracts the second of two integers from the first
124 # int-multiply: multiplies an arbitrary length list of integers
125 # int-divide: divides the first integer by the second
126 # int-remainder: arithmetic remainder of the first number divided by the second
127 # int-shift-left: Shift $1 left by $2 bits
128 # int-lt: 1 if the first value is less than the second. 0 otherwise
129 # int-gt: 1 if the first values is greater than the second. 0 otherwise
130 # int-eq: 1 if the two values are equal. 0 otherwise
131 # int-align: align $1 to $2 units
132 # file-size: returns the filesize of the given file
133 # tolower: returns the value in all lowercase
134 # toupper: returns the value in all uppercase
135 # ws_to_under: returns the value with any whitespace changed to underscores
136 _toint=$(shell printf "%d" $1)
137 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
138 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
139 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
140 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
141 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
142 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
143 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
144 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
145 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
146 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
147 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
148 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
149 int-align-down=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A - \( $$A % $$B \) )
150 file-size=$(strip $(shell cat $1 | wc -c))
151 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
152 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
153 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
155 #######################################################################
156 # Helper functions for ramstage postprocess
161 # Returns all files and dirs below `dir` (recursively).
162 # files-below-dir,dir,files
163 files-below-dir=$(filter $(1)%,$(2))
165 # Returns all dirs below `dir` (recursively).
166 # dirs-below-dir,dir,files
167 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
169 # Returns all files directly in `dir` (non-recursively).
170 # files-in-dir,dir,files
171 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
173 #######################################################################
174 # reduce command line length by linking the objects of each
175 # directory into an intermediate file
176 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
177 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
178 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
179 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
181 decompressor-generic-ccopts += -D__PRE_RAM__ -D__DECOMPRESSOR__
182 bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
183 romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
184 ramstage-generic-ccopts += -D__RAMSTAGE__
185 ifeq ($(CONFIG_TRACE),y)
186 ramstage-c-ccopts += -finstrument-functions
188 ifeq ($(CONFIG_COVERAGE),y)
189 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
192 ifneq ($(UPDATED_SUBMODULES),1)
193 # try to fetch non-optional submodules if the source is under git
194 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
195 ifeq ($(CONFIG_USE_BLOBS),y)
196 # this is necessary because 3rdparty/{blobs,intel-microcode} is update=none, and so is ignored
197 # unless explicitly requested and enabled through --checkout
198 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
199 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/intel-microcode))
200 ifeq ($(CONFIG_PLATFORM_USES_FSP1_0)$(CONFIG_PLATFORM_USES_FSP1_1)$(CONFIG_PLATFORM_USES_FSP2_0),y)
201 # this is necessary because 3rdparty/fsp is update=none, and so is ignored
202 # unless explicitly requested and enabled through --checkout
203 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/fsp))
206 UPDATED_SUBMODULES:=1
207 COREBOOT_EXPORTS += UPDATED_SUBMODULES
210 postcar-c-deps:=$$(OPTION_TABLE_H)
211 ramstage-c-deps:=$$(OPTION_TABLE_H)
212 romstage-c-deps:=$$(OPTION_TABLE_H)
213 verstage-c-deps:=$$(OPTION_TABLE_H)
214 bootblock-c-deps:=$$(OPTION_TABLE_H)
215 $(foreach type,ads adb, \
216 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
217 $(eval $(stage)-$(type)-deps := \
218 $(obj)/$(stage)/$(notdir $(KCONFIG_AUTOADS)) \
219 $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
221 # Add handler to copy linker scripts
222 define generic-objs_ld_template_gen
223 de$(EMPTY)fine $(1)-objs_ld_template
224 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
225 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
226 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
230 # Add handler to deal with archives
231 define generic-objs_a_template_gen
232 de$(EMPTY)fine $(1)-objs_a_template
233 $$(call src-to-obj,$1,$$(1).a): $$(1).a
234 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
235 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
240 # Add handler to add no rules for manual files
241 define generic-objs_manual_template_gen
245 #######################################################################
246 # Add handler to compile ACPI's ASL
247 # arg1: base file name
248 # arg2: y or n for including in cbfs. defaults to y
250 # Empty resource templates were marked as a warning in IASL with the comment
251 # "This would appear to be worthless in real-world ASL code.", which is
252 # possibly true in many cases. In other cases it seems that an empty
253 # ResourceTemplate is the correct code.
254 # As it's valid ASL, disable the warning.
255 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
256 IGNORED_IASL_WARNINGS = -vw $(EMPTY_RESOURCE_TEMPLATE_WARNING)
259 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
260 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
261 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
262 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
263 -include $(obj)/$(1).d
264 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
265 @printf " IASL $$(subst $(top)/,,$$(@))\n"
266 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $(obj)/$(1).asl
267 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $(1).asl
268 if ! $(IASL) -d $$@ 2>&1 | grep -Eq 'ACPI (Warning|Error)'; then \
269 echo " IASL $$@ disassembled correctly."; \
272 echo "Error: Could not correctly disassemble $$@"; \
278 #######################################################################
279 # Parse plaintext cmos defaults into binary format
281 # arg2: binary file name
282 cbfs-files-processor-nvramtool= \
283 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
284 printf " CREATE $(2) (from $(1))\n"; \
285 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
288 #######################################################################
289 # Link VSA binary to ELF-ish stage
291 # arg2: binary file name
292 cbfs-files-processor-vsa= \
293 $(eval $(2): $(1) ; \
294 printf " CREATE $(2) (from $(1))\n"; \
295 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
296 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
298 #######################################################################
299 # Reduce a .config file to its minimal representation
302 cbfs-files-processor-defconfig= \
303 $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
304 +printf " CREATE $(2) (from $(1))\n"; \
305 printf "\# This image was built using coreboot " > $(2).tmp && \
306 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
307 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
308 cat $(2).tmp2 >> $(2).tmp && \
310 \mv -f $(2).tmp $(2))
312 #######################################################################
313 # Compile a C file with a bare struct definition into binary
314 # arg1: C source file
316 cbfs-files-processor-struct= \
317 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
318 printf " CC+STRIP $(@)\n"; \
319 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
320 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
322 $(eval DEPENDENCIES += $(2).d)
324 #######################################################################
325 # Add handler for arbitrary files in CBFS
326 $(call add-special-class,cbfs-files)
327 cbfs-files-handler= \
328 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
329 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
330 $(eval tmp-cbfs-file:= ) \
332 $(if $(wildcard $(1)$($(2)-file)), \
333 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
334 $(eval tmp-cbfs-file:= $($(2)-file)))) \
335 $(if $(strip $($(2)-required)), \
336 $(if $(wildcard $(tmp-cbfs-file)),, \
337 $(info This build configuration requires $($(2)-required)) \
338 $(eval FAILBUILD:=1) \
340 $(if $(strip $($(2)-align)), \
341 $(if $(strip $($(2)-position)), \
342 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
343 $(eval FAILBUILD:=1) \
345 $(if $(tmp-cbfs-method), \
346 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
347 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
348 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
349 $(if $(tmp-cbfs-file), \
350 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
351 $(eval $(2)-name:=) \
352 $(eval $(2)-type:=) \
353 $(eval $(2)-compression:=) \
354 $(eval $(2)-position:=) \
355 $(eval $(2)-required:=) \
356 $(eval $(2)-options:=) \
359 #######################################################################
360 # a variety of flags for our build
361 CBFS_COMPRESS_FLAG:=none
362 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
363 CBFS_COMPRESS_FLAG:=LZMA
366 CBFS_PAYLOAD_COMPRESS_FLAG:=none
367 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
368 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
370 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
371 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
374 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
375 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
376 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
379 CBFS_PRERAM_COMPRESS_FLAG:=none
380 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
381 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
384 ifneq ($(CONFIG_LOCALVERSION),"")
385 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
386 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
389 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
390 VBOOT_SOURCE ?= 3rdparty/vboot
391 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
392 CPPFLAGS_common += -include $(src)/include/kconfig.h
393 CPPFLAGS_common += -include $(src)/include/rules.h
394 CPPFLAGS_common += -include $(src)/commonlib/include/commonlib/compiler.h
395 CPPFLAGS_common += -I3rdparty
396 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
398 ifeq ($(CONFIG_PCI_OPTION_ROM_RUN_YABEL)$(CONFIG_PCI_OPTION_ROM_RUN_REALMODE),y)
399 CPPFLAGS_ramstage += -Isrc/device/oprom/include
402 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
403 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
404 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs -Wlogical-op
405 CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time -Wtype-limits
406 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
407 CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
408 ifeq ($(CONFIG_COMPILER_GCC),y)
409 CFLAGS_common += -fno-delete-null-pointer-checks
410 # Don't add these GCC specific flags when running scan-build
411 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
412 CFLAGS_common += -Wno-packed-not-aligned
413 CFLAGS_common += -fconserve-stack
414 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
415 CFLAGS_common += -Wno-unused-but-set-variable
419 ADAFLAGS_common += -gnatp
420 ADAFLAGS_common += -Wuninitialized -Wall -Werror
421 ADAFLAGS_common += -pipe -g -nostdinc
422 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
423 ADAFLAGS_common += -fno-common -fomit-frame-pointer
424 ADAFLAGS_common += -ffunction-sections -fdata-sections
425 # Ada warning options:
427 # a Activate most optional warnings.
428 # .e Activate every optional warnings.
429 # e Treat warnings and style checks as errors.
431 # D Suppress warnings on implicit dereferences:
432 # As SPARK does not accept access types we have to map the
433 # dynamically chosen register locations to a static SPARK
436 # .H Suppress warnings on holes/gaps in records:
437 # We are modelling hardware here!
439 # H Suppress warnings on hiding:
440 # It's too annoying, you run out of ideas for identifiers fast.
442 # T Suppress warnings for tracking of deleted conditional code:
443 # We use static options to select code paths at compile time.
445 # U Suppress warnings on unused entities:
446 # Would have lots of warnings for unused register definitions,
447 # `withs` for debugging etc.
449 # .U Deactivate warnings on unordered enumeration types:
450 # As SPARK doesn't support `pragma Ordered` by now, we don't
453 # .W Suppress warnings on unnecessary Warnings Off pragmas:
454 # Things get really messy when you use different compiler
455 # versions, otherwise.
456 # .Y Disable information messages for why package spec needs body:
457 # Those messages are annoying. But don't forget to enable those,
458 # if you need the information.
459 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
460 # Disable style checks for now
461 ADAFLAGS_common += -gnatyN
463 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
465 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
466 CFLAGS_common += -Werror
468 ifneq ($(GDB_DEBUG),)
470 ADAFLAGS_common += -Og
473 ADAFLAGS_common += -Os
476 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
477 ADAFLAGS_common += -gnata
480 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
481 $(objutil)/options $(objutil)/amdfwtool \
482 $(objutil)/cbootimage $(objutil)/bimgtool
484 export $(COREBOOT_EXPORTS)
486 #######################################################################
487 # generate build support files
489 build_h := $(obj)/build.h
491 # We have to manually export variables that `genbuild_h.sh` uses
492 # when we call it through the `$(shell)` function. This is fragile
493 # but as variables newly added to `genbuild_h.sh` would just not
494 # work, we'd notice that instantly at least.
495 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
497 # Report new `build.ht` as dependency if `build.h` differs.
499 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
500 util/genbuild_h/genbuild_h.sh >$(build_h)t 2>/dev/null; \
501 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
503 $(build_h): $$(shell $$(build_h_check))
504 @printf " GEN build.h\n"
508 mkdir -p $(objcbfs) $(objgenerated)
510 #######################################################################
512 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
513 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
514 RMODTOOL:=$(objutil)/cbfstool/rmodtool
515 IFWITOOL:=$(objutil)/cbfstool/ifwitool
517 $(obj)/cbfstool: $(CBFSTOOL)
520 $(obj)/fmaptool: $(FMAPTOOL)
523 $(obj)/rmodtool: $(RMODTOOL)
526 $(obj)/ifwitool: $(IFWITOOL)
529 _WINCHECK=$(shell uname -o 2> /dev/null)
531 ifeq ($(_WINCHECK),Msys)
532 STACK=-Wl,--stack,16384000
534 ifeq ($(_WINCHECK),Cygwin)
535 STACK=-Wl,--stack,16384000
538 # this allows ccache to prepend itself
539 # (ccache handling happens first)
540 ROMCC_BIN= $(objutil)/romcc/romcc
542 $(ROMCC_BIN): $(top)/util/romcc/romcc.c
543 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
544 @# Note: Adding -O2 here might cause problems. For details see:
545 @# https://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
546 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
548 BINCFG:=$(objutil)/bincfg/bincfg
550 IFDTOOL:=$(objutil)/ifdtool/ifdtool
552 @printf " Compile IFDTOOL\n"
553 +$(MAKE) -C $(top)/util/ifdtool
554 cp -a $(top)/util/ifdtool/ifdtool $@
556 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
557 $(AMDFWTOOL): $(top)/util/amdfwtool/amdfwtool.c
558 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
559 $(HOSTCC) $(HOSTCFLAGS) -DCONFIG_ROM_SIZE=$(CONFIG_ROM_SIZE) -o $@ $<
561 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
563 FUTILITY?=$(objutil)/futility/futility
565 subdirs-y += util/nvidia
567 BIMGTOOL:=$(objutil)/bimgtool/bimgtool
568 $(BIMGTOOL): $(top)/util/bimgtool/bimgtool.c
569 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
570 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
572 $(obj)/config.h: $(objutil)/kconfig/conf
574 #######################################################################
575 # needed objects that every mainboard uses
576 # Creation of these is architecture and mainboard independent
577 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
579 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
581 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
585 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
587 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
588 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
589 mkdir -p $(dir $(DEVICETREE_STATIC_C))
590 $(objutil)/sconfig/sconfig $(DEVICETREE_FILE) $(DEVICETREE_STATIC_C) $(OVERRIDE_DEVICETREE_FILE)
592 ramstage-y+=$(DEVICETREE_STATIC_C)
593 romstage-y+=$(DEVICETREE_STATIC_C)
594 verstage-y+=$(DEVICETREE_STATIC_C)
595 bootblock-y+=$(DEVICETREE_STATIC_C)
596 postcar-y+=$(DEVICETREE_STATIC_C)
597 smm-y+=$(DEVICETREE_STATIC_C)
599 #######################################################################
602 rm -rf coreboot-builds
604 clean-for-update-target: clean-payloads
605 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
606 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
607 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
608 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
609 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
610 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
611 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
612 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
615 rm -f $(obj)/coreboot*
617 #######################################################################
618 # Development utilities
621 @echo ldscripts=$(ldscripts)
624 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
627 grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
629 util/lint/check-style
633 util/gitconfig/gitconfig.sh "$(MAKE)"
635 install-git-commit-clangfmt:
636 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
638 include util/crossgcc/Makefile.inc
641 tools: $(objutil)/kconfig/conf $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(ROMCC_BIN) $(objutil)/sconfig/sconfig $(IFDTOOL) $(CBOOTIMAGE) $(AMDFWTOOL) $(FUTILITY) $(BINCFG)
643 ###########################################################################
644 # Common recipes for all stages
645 ###########################################################################
647 # loadaddr can determine the load address of a stage, which may be needed for
648 # platform-specific image headers (only works *after* the stage has been built)
649 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
650 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
652 # find-substr is required for stages like romstage_null and romstage_xip to
653 # eliminate the _* part of the string
654 find-substr = $(word 1,$(subst _, ,$(1)))
656 # find-class is used to identify the class from the name of the stage
657 # The input to this macro can be something like romstage.x or romstage.x.y
658 # find-class recursively strips off the suffixes to extract the exact class name
659 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
660 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
661 # and remove .x the next time and finally return romstage
662 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
664 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
665 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
666 # include the bss section in the binary so the BootROM clears the bss on
667 # loading of the bootblock stage. Achieve this by marking the bss section
668 # loadable,allocatable, and data. Do the same for the .data section in case
669 # the linker marked it NOBITS automatically because there are only zeroes in it.
670 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
672 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
674 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
675 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
676 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
677 $(OBJCOPY_bootblock) -O binary $@.tmp
678 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
682 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
683 # Makefiles wrapping the bootblock in a header can always key off the same file.
684 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
685 @printf " OBJCOPY $(notdir $(@))\n"
686 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
688 else # CONFIG_COMPRESS_BOOTBLOCK
690 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
691 @printf " OBJCOPY $(notdir $(@))\n"
692 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
694 endif # CONFIG_COMPRESS_BOOTBLOCK
696 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
697 @printf " OBJCOPY $(notdir $(@))\n"
698 $(OBJCOPY_bootblock) -O binary $< $@
700 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
703 $(objcbfs)/%.elf: $(objcbfs)/%.debug
704 $(eval class := $(call find-class,$(@F)))
705 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
707 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
708 $(OBJCOPY_$(class)) --strip-debug $@.tmp
709 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
713 ###########################################################################
714 # Build the final rom image
715 ###########################################################################
717 # extract_nth - Return a subsection of the $file string
719 # the input string looks like this:
720 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
723 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
724 # 2 - Name of file in cbfs [$(FILENAME)-file]
725 # 3 - File type: [$(FILENAME)-type]
726 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
727 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
728 # mma, efi, deleted, null
729 # 4 - Compression type [$(FILENAME)-compression]
731 # 5 - Base address [$(FILANAME)-position]
732 # 6 - Alignment [$(FILENAME)-align]
733 # 7 - cbfstool flags [$(FILENAME)-options]
736 # $(1) = Section to extract
737 # $(2) = Input string
740 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
741 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
742 # 3) remove the leading and trailing '-' characters
743 # 4) replace all '*' characters with spaces
744 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
746 # regions-for-file - Returns a cbfstool regions parameter
747 # $(call regions-for-file,$(filename))
748 # returns "REGION1,REGION2,..."
750 # This is the default implementation. When using a boot strategy employing
751 # multiple CBFSes in fmap regions, override it.
752 regions-for-file ?= COREBOOT
754 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
755 cbfs-autogen-attributes=-g
758 # cbfs-add-cmd-for-region
759 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
760 define cbfs-add-cmd-for-region
762 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
763 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
764 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
765 -f $(call extract_nth,1,$(1)) \
766 -n $(call extract_nth,2,$(1)) \
767 $(if $(filter-out flat-binary payload stage,$(call \
768 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
769 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
770 $(cbfs-autogen-attributes) \
772 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
773 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
774 $(call extract_nth,7,$(1))
778 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
782 # $(call cbfs-add-cmd,
783 # file in extract_nth format,
785 # non-empty if file removal requested)
787 printf " CBFS $(call extract_nth,2,$(1))\n"
788 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
789 $(call cbfs-add-cmd-for-region,$(1),$(2))
792 # list of files to add (using their file system names, not CBFS names),
793 # for dependencies etc.
794 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
797 # returns full list of fmap regions that we add files to
798 all-regions = $(sort $(subst $(comma),$(spc), \
799 $(foreach file,$(cbfs-files), \
800 $(call regions-for-file,$(call extract_nth,2,$(file))))))
802 # $(call all-files-in-region,region name)
803 # returns elements in $(cbfs-files) that end up in that region, in the order
804 # they appear in $(cbfs-files)
805 all-files-in-region = $(foreach file,$(cbfs-files), \
806 $(if $(filter $(1), \
807 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
810 # $(call update-file-for-region,file string from $(cbfs-files),region name)
811 # Update position and alignment according to overrides for region
812 # Doesn't check for invalid configurations (eg. resetting neither or both
813 # position and align)
814 # Returns the updated file string
815 update-file-for-region = \
816 $(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)))
818 # $(call placed-files-in-region,region name)
819 # like all-files-in-region, but updates the files to contain region overrides
820 # to position or alignment.
821 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
822 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
823 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
824 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
825 $(call update-file-for-region,$(file),$(1)), \
826 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
827 $(call update-file-for-region,$(file),$(1)), \
830 # $(call sort-files,subset of $(cbfs-files))
831 # reorders the files in the given set to list files at fixed positions first,
832 # followed by aligned files and finally those with no constraints.
834 $(eval _tmp_fixed:=) \
835 $(eval _tmp_aligned:=) \
836 $(eval _tmp_regular:=) \
837 $(foreach file,$(1), \
838 $(if $(call extract_nth,5,$(file)),\
839 $(eval _tmp_fixed += $(file)), \
840 $(if $(call extract_nth,6,$(file)), \
841 $(eval _tmp_aligned += $(file)), \
842 $(eval _tmp_regular += $(file))))) \
843 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
845 # command list to add files to CBFS
846 prebuild-files = $(foreach region,$(all-regions), \
848 $(call sort-files,$(call placed-files-in-region,$(region))), \
849 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
851 ifeq ($(CONFIG_FMDFILE),)
852 # For a description of the flash layout described by these variables, check
853 # the $(DEFAULT_FLASHMAP) .fmd files.
854 ifeq ($(CONFIG_ARCH_X86),y)
855 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
857 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
858 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
859 # entire "BIOS" region (everything directly of concern to the host system)
860 # relative to ROM_BASE
861 FMAP_BIOS_BASE := $(call int-align, $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE)), 0x10000)
862 FMAP_BIOS_SIZE := $(call int-align-down, $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f), 0x10000)
863 # position and size of flashmap, relative to BIOS_BASE
866 # X86 CONSOLE FMAP region
868 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
869 FMAP_CONSOLE_BASE := 0
870 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
871 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
872 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
873 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
874 FMAP_CONSOLE_SIZE := 0
875 FMAP_CONSOLE_ENTRY :=
876 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
879 # X86 RW_MRC_CACHE FMAP region
881 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
882 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
883 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
884 $(FMAP_CONSOLE_SIZE)), 0x10000)
885 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
886 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
887 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
888 FMAP_MRC_CACHE_BASE := 0
889 FMAP_MRC_CACHE_SIZE := 0
890 FMAP_MRC_CACHE_ENTRY :=
891 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
894 # X86 SMMSTORE FMAP region
896 # position, size and entry line of SMMSTORE relative to BIOS_BASE, if enabled
897 ifeq ($(CONFIG_SMMSTORE),y)
898 FMAP_SMMSTORE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
899 $(FMAP_CONSOLE_SIZE) $(FMAP_MRC_CACHE_SIZE)), 0x10000)
900 FMAP_SMMSTORE_SIZE := $(CONFIG_SMMSTORE_SIZE)
901 FMAP_SMMSTORE_ENTRY := SMMSTORE@$(FMAP_SMMSTORE_BASE) $(FMAP_SMMSTORE_SIZE)
902 else # ifeq ($(CONFIG_SMMSTORE),y)
903 FMAP_SMMSTORE_BASE := 0
904 FMAP_SMMSTORE_SIZE := 0
905 FMAP_SMMSTORE_ENTRY :=
906 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
913 FMAP_FMAP_BASE := $(call int-add, $(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE) \
914 $(FMAP_MRC_CACHE_SIZE) $(FMAP_SMMSTORE_SIZE))
915 FMAP_FMAP_SIZE := 0x200
918 # X86 COREBOOT default cbfs FMAP region
920 # position and size of CBFS, relative to BIOS_BASE
921 FMAP_CBFS_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
922 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
923 else # ifeq ($(CONFIG_ARCH_X86),y)
924 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
927 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
928 # entire "BIOS" region (everything directly of concern to the host system)
929 # relative to ROM_BASE
931 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
932 # position and size of flashmap, relative to BIOS_BASE
933 FMAP_FMAP_BASE := 0x20000
934 FMAP_FMAP_SIZE := 0x100
937 # NON-X86 CONSOLE FMAP region
939 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
940 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
941 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
942 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
943 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
944 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
945 FMAP_CONSOLE_BASE := 0
946 FMAP_CONSOLE_SIZE := 0
947 FMAP_CONSOLE_ENTRY :=
948 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
951 # NON-X86 RW_MRC_CACHE FMAP region
953 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
954 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
955 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
956 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
957 $(FMAP_CONSOLE_SIZE)), 0x10000)
959 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
960 $(FMAP_FMAP_SIZE)), 0x10000)
962 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
963 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
964 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
965 FMAP_MRC_CACHE_BASE := 0
966 FMAP_MRC_CACHE_SIZE := 0
967 FMAP_MRC_CACHE_ENTRY :=
968 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
971 # NON-X86 COREBOOT default cbfs FMAP region
973 # position and size of CBFS, relative to BIOS_BASE
974 FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE) \
975 $(FMAP_MRC_CACHE_SIZE))
976 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
977 endif # ifeq ($(CONFIG_ARCH_X86),y)
979 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
980 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
981 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
982 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
983 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
984 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
985 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
986 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
987 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
988 -e "s,##SMMSTORE_ENTRY##,$(FMAP_SMMSTORE_ENTRY)," \
989 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
990 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
991 $(DEFAULT_FLASHMAP) > $@.tmp
993 else # ifeq ($(CONFIG_FMDFILE),)
994 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
995 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
997 endif # ifeq ($(CONFIG_FMDFILE),)
999 # generated at the same time as fmap.fmap
1000 $(obj)/fmap_config.h: $(obj)/fmap.fmap
1002 $(obj)/fmap.desc: $(obj)/fmap.fmap
1005 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
1006 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
1007 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
1009 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
1010 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
1011 FIT_OPTIONS := $(TS_OPTIONS)
1013 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1014 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
1015 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
1016 ifeq ($(CONFIG_ARCH_X86),y)
1017 $(CBFSTOOL) $@.tmp add \
1018 -f $(objcbfs)/bootblock.bin \
1021 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes) \
1023 else # ifeq ($(CONFIG_ARCH_X86),y)
1024 $(CBFSTOOL) $@.tmp write -u \
1026 -f $(objcbfs)/bootblock.bin
1027 # make space for the CBFS master header pointer. "ptr_" is just
1028 # arbitrary 4 bytes that will be overwritten by add-master-header.
1029 printf "ptr_" > $@.tmp.2
1030 $(CBFSTOOL) $@.tmp add \
1032 -n "header pointer" \
1036 endif # ifeq ($(CONFIG_ARCH_X86),y)
1037 $(CBFSTOOL) $@.tmp add-master-header $(TS_OPTIONS)
1038 $(prebuild-files) true
1040 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1041 .PHONY: $(obj)/coreboot.pre
1042 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1043 mv $(obj)/coreboot.rom $@.tmp || \
1044 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1045 echo "Exiting." && \
1047 $(prebuild-files) true
1049 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1051 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1052 REFCODE_BLOB=$(obj)/refcode.rmod
1053 $(REFCODE_BLOB): $(RMODTOOL)
1054 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1057 FIT_ENTRY=$(call strip_quotes, $(CONFIG_INTEL_TOP_SWAP_FIT_ENTRY_FMAP_REG))
1058 ifneq ($(FIT_ENTRY),)
1059 FIT_OPTIONS += -q $(FIT_ENTRY)
1062 ifeq ($(CONFIG_HAVE_RAMSTAGE),y)
1063 RAMSTAGE=$(objcbfs)/ramstage.elf
1068 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(RAMSTAGE) $(CBFSTOOL) $$(INTERMEDIATE)
1070 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1071 # The full ROM may be larger than the CBFS part, so create an empty
1072 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1073 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1074 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1075 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
1076 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
1077 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1078 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
1079 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
1083 ifeq ($(CONFIG_SEABIOS_ADD_SERCON_PORT_FILE),y)
1084 @printf " SeaBIOS Add sercon-port file\n"
1085 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_SERCON_PORT_ADDR) -n etc/sercon-port
1087 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1088 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1089 @printf " UPDATE-FIT\n"
1090 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1094 ifeq ($(CONFIG_USE_CPU_MICROCODE_CBFS_BINS),y)
1095 @printf " UPDATE-FIT\n"
1096 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1101 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1102 $(CBFSTOOL) $@ layout
1103 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1104 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1106 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1107 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1108 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1109 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1110 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1111 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1113 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1114 # Use a 64 byte alignment to provide a minimum alignment
1115 # requirement for the overall romstage. While the first object within
1116 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1117 # won't decide the entire section should be aligned to a larger value. In the
1118 # future cbfstool should add XIP files proper and honor the alignment
1119 # requirements of the program segment.
1121 # Make sure that segment for .car.data is ignored while adding romstage.
1122 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1123 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1125 # If CAR does not support execution of code, romstage on x86 is expected to be
1127 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1128 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1130 # If XIP_ROM_SIZE isn't being used don't overly constrain romstage by passing
1131 # -P with a default value.
1132 ifneq ($(CONFIG_NO_FIXED_XIP_ROM_SIZE),y)
1133 $(CONFIG_CBFS_PREFIX)/romstage-options += -P $(CONFIG_XIP_ROM_SIZE)
1134 endif # CONFIG_NO_FIXED_XIP_ROM_SIZE
1136 endif # CONFIG_NO_XIP_EARLY_STAGES
1137 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1139 cbfs-files-$(CONFIG_HAVE_RAMSTAGE) += $(CONFIG_CBFS_PREFIX)/ramstage
1140 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(RAMSTAGE)
1141 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1142 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1144 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1145 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1146 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1147 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1149 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1150 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1151 vgaroms/seavgabios.bin-type := raw
1153 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1154 config-file := $(DOTCONFIG):defconfig
1157 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1158 revision-file := $(obj)/build.h
1159 revision-type := raw
1161 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1162 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1163 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1164 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1166 # Ensure that no payload segment overlaps with memory regions used by ramstage
1167 # (not for x86 since it can relocate itself in that case)
1168 ifneq ($(CONFIG_ARCH_X86),y)
1169 check-ramstage-overlap-regions := ramstage
1170 check-ramstage-overlap-files :=
1171 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1172 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1175 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1176 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1177 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1179 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1180 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1182 check-ramstage-overlaps: $(obj)/coreboot.pre
1183 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1184 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1185 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1187 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1188 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1190 for x in $$programs; do \
1191 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1192 pend=$$(($$pstart + $$x)) ; \
1193 rname= ; rstart= ; rend= ; \
1194 for y in $$regions ; do \
1195 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1196 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1198 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1199 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1200 $(check-ramstage-overlap-files) ; \
1203 rname= ; rstart= ; rend= ; \
1208 INTERMEDIATE+=check-ramstage-overlaps
1209 PHONY+=check-ramstage-overlaps