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
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 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 util/broadcom
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 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 file-size=$(strip $(shell cat $1 | wc -c))
150 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
151 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
152 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
154 #######################################################################
155 # Helper functions for ramstage postprocess
162 # files-in-dir-recursive,dir,files
163 files-in-dir-recursive=$(filter $(1)%,$(2))
166 parent-dir=$(dir $(if $(patsubst /%,,$(1)),,/)$(subst $( ),/,$(strip $(subst /, ,$(1)))))
168 # filters out exactly the directory specified
169 # filter-out-dir,dir_to_keep,dirs
170 filter-out-dir=$(filter-out $(1),$(2))
172 # filters out dir_to_keep and all its parents
173 # filter-out-dirs,dir_to_keep,dirs
174 filter-out-dirs=$(if $(filter-out ./ /,$(1)),$(call filter-out-dirs,$(call parent-dir,$(1)),$(call filter-out-dir,$(1),$(2))),$(call filter-out-dir,$(1),$(2)))
177 dir-wildcards=$(addsuffix %,$(1))
179 # files-in-dir,dir,files
180 files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(sort $(dir $(2))))),$(call files-in-dir-recursive,$(1),$(2)))
182 #######################################################################
183 # reduce command line length by linking the objects of each
184 # directory into an intermediate file
185 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
186 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
187 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
188 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
190 decompressor-generic-ccopts += -D__PRE_RAM__ -D__DECOMPRESSOR__
191 bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
192 romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
193 ramstage-generic-ccopts += -D__RAMSTAGE__
194 ifeq ($(CONFIG_TRACE),y)
195 ramstage-c-ccopts += -finstrument-functions
197 ifeq ($(CONFIG_COVERAGE),y)
198 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
201 ifneq ($(UPDATED_SUBMODULES),1)
202 # try to fetch non-optional submodules if the source is under git
203 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
204 ifeq ($(CONFIG_USE_BLOBS),y)
205 # this is necessary because 3rdparty/blobs is update=none, and so is ignored
206 # unless explicitly requested and enabled through --checkout
207 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
209 UPDATED_SUBMODULES:=1
210 COREBOOT_EXPORTS += UPDATED_SUBMODULES
213 postcar-c-deps:=$$(OPTION_TABLE_H)
214 ramstage-c-deps:=$$(OPTION_TABLE_H)
215 romstage-c-deps:=$$(OPTION_TABLE_H)
216 verstage-c-deps:=$$(OPTION_TABLE_H)
217 bootblock-c-deps:=$$(OPTION_TABLE_H)
218 $(foreach type,ads adb, \
219 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
220 $(eval $(stage)-$(type)-deps := $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
222 # Add handler to copy linker scripts
223 define generic-objs_ld_template_gen
224 de$(EMPTY)fine $(1)-objs_ld_template
225 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
226 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
227 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
231 # Add handler to deal with archives
232 define generic-objs_a_template_gen
233 de$(EMPTY)fine $(1)-objs_a_template
234 $$(call src-to-obj,$1,$$(1).a): $$(1).a
235 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
236 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
241 # Add handler to add no rules for manual files
242 define generic-objs_manual_template_gen
246 #######################################################################
247 # Add handler to compile ACPI's ASL
248 # arg1: base file name
249 # arg2: y or n for including in cbfs. defaults to y
251 # Empty resource templates were marked as a warning in IASL with the comment
252 # "This would appear to be worthless in real-world ASL code.", which is
253 # possibly true in many cases. In other cases it seems that an empty
254 # ResourceTemplate is the correct code.
255 # As it's valid ASL, disable the warning.
256 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
257 IGNORED_IASL_WARNINGS = -vw $(EMPTY_RESOURCE_TEMPLATE_WARNING)
260 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
261 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
262 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
263 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
264 -include $(obj)/$(1).d
265 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
266 @printf " IASL $$(subst $(top)/,,$$(@))\n"
267 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$@
268 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $$(notdir $$@)
269 if [ -z "$$$$($(IASL) -d $$@ 2>&1 | grep 'ACPI Warning')" ]; then echo " IASL $$@ disassembled correctly."; true; else echo "Error: Could not correctly disassemble $$@"; $(IASL) -d $$@; false; fi
272 #######################################################################
273 # Parse plaintext cmos defaults into binary format
275 # arg2: binary file name
276 cbfs-files-processor-nvramtool= \
277 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
278 printf " CREATE $(2) (from $(1))\n"; \
279 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
282 #######################################################################
283 # Link VSA binary to ELF-ish stage
285 # arg2: binary file name
286 cbfs-files-processor-vsa= \
287 $(eval $(2): $(1) ; \
288 printf " CREATE $(2) (from $(1))\n"; \
289 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
290 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
292 #######################################################################
293 # Reduce a .config file to its minimal representation
296 cbfs-files-processor-defconfig= \
297 $(eval $(2): $(1) $(obj)/build.h; \
298 +printf " CREATE $(2) (from $(1))\n"; \
299 printf "\# This image was built using coreboot " > $(2).tmp && \
300 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
301 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
302 cat $(2).tmp2 >> $(2).tmp && \
304 \mv -f $(2).tmp $(2))
306 #######################################################################
307 # Compile a C file with a bare struct definition into binary
308 # arg1: C source file
310 cbfs-files-processor-struct= \
311 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
312 printf " CC+STRIP $(@)\n"; \
313 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
314 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
316 $(eval DEPENDENCIES += $(2).d)
318 #######################################################################
319 # Add handler for arbitrary files in CBFS
320 $(call add-special-class,cbfs-files)
321 cbfs-files-handler= \
322 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
323 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
324 $(eval tmp-cbfs-file:= ) \
326 $(if $(wildcard $(1)$($(2)-file)), \
327 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
328 $(eval tmp-cbfs-file:= $($(2)-file)))) \
329 $(if $(strip $($(2)-required)), \
330 $(if $(wildcard $(tmp-cbfs-file)),, \
331 $(info This build configuration requires $($(2)-required)) \
332 $(eval FAILBUILD:=1) \
334 $(if $(strip $($(2)-align)), \
335 $(if $(strip $($(2)-position)), \
336 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
337 $(eval FAILBUILD:=1) \
339 $(if $(tmp-cbfs-method), \
340 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
341 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
342 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
343 $(if $(tmp-cbfs-file), \
344 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
345 $(eval $(2)-name:=) \
346 $(eval $(2)-type:=) \
347 $(eval $(2)-compression:=) \
348 $(eval $(2)-position:=) \
349 $(eval $(2)-required:=) \
350 $(eval $(2)-options:=) \
353 #######################################################################
354 # a variety of flags for our build
355 CBFS_COMPRESS_FLAG:=none
356 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
357 CBFS_COMPRESS_FLAG:=LZMA
360 CBFS_PAYLOAD_COMPRESS_FLAG:=none
361 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
362 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
364 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
365 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
368 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
369 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
370 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
373 CBFS_PRERAM_COMPRESS_FLAG:=none
374 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
375 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
378 ifneq ($(CONFIG_LOCALVERSION),"")
379 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
380 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
383 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
384 CPPFLAGS_common += -Isrc/device/oprom/include
385 VBOOT_SOURCE ?= 3rdparty/vboot
386 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
387 CPPFLAGS_common += -include $(src)/include/kconfig.h
388 CPPFLAGS_common += -I3rdparty
389 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
391 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
392 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
393 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
394 CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time
395 CFLAGS_common += -Wno-packed-not-aligned
396 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
397 CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
398 ifeq ($(CONFIG_COMPILER_GCC),y)
399 CFLAGS_common += -fno-delete-null-pointer-checks
400 # Don't add these GCC specific flags when running scan-build
401 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
402 CFLAGS_common += -fconserve-stack
406 ADAFLAGS_common += -gnatp
407 ADAFLAGS_common += -Wuninitialized -Wall -Werror
408 ADAFLAGS_common += -pipe -g -nostdinc
409 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
410 ADAFLAGS_common += -fno-common -fomit-frame-pointer
411 ADAFLAGS_common += -ffunction-sections -fdata-sections
412 # Ada warning options:
414 # a Activate most optional warnings.
415 # .e Activate every optional warnings.
416 # e Treat warnings and style checks as errors.
418 # D Suppress warnings on implicit dereferences:
419 # As SPARK does not accept access types we have to map the
420 # dynamically chosen register locations to a static SPARK
423 # .H Suppress warnings on holes/gaps in records:
424 # We are modelling hardware here!
426 # H Suppress warnings on hiding:
427 # It's too annoying, you run out of ideas for identifiers fast.
429 # T Suppress warnings for tracking of deleted conditional code:
430 # We use static options to select code paths at compile time.
432 # U Suppress warnings on unused entities:
433 # Would have lots of warnings for unused register definitions,
434 # `withs` for debugging etc.
436 # .U Deactivate warnings on unordered enumeration types:
437 # As SPARK doesn't support `pragma Ordered` by now, we don't
440 # .W Suppress warnings on unnecessary Warnings Off pragmas:
441 # Things get really messy when you use different compiler
442 # versions, otherwise.
443 # .Y Disable information messages for why package spec needs body:
444 # Those messages are annoying. But don't forget to enable those,
445 # if you need the information.
446 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
447 # Disable style checks for now
448 ADAFLAGS_common += -gnatyN
450 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
452 ifeq ($(CONFIG_COMPILER_GCC),y)
453 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
454 CFLAGS_common += -Wno-unused-but-set-variable
457 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
458 CFLAGS_common += -Werror
460 ifneq ($(GDB_DEBUG),)
462 ADAFLAGS_common += -Og
465 ADAFLAGS_common += -Os
468 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
469 ADAFLAGS_common += -gnata
472 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
473 $(objutil)/ifdfake $(objutil)/options $(objutil)/amdfwtool \
474 $(objutil)/cbootimage $(objutil)/bimgtool
476 export $(COREBOOT_EXPORTS)
478 #######################################################################
479 # generate build support files
480 $(obj)/build.h: .xcompile
481 @printf " GEN build.h\n"
483 util/genbuild_h/genbuild_h.sh > $(obj)/build.ht
484 mv $(obj)/build.ht $(obj)/build.h
487 mkdir -p $(objcbfs) $(objgenerated)
489 #######################################################################
491 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
492 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
493 RMODTOOL:=$(objutil)/cbfstool/rmodtool
494 IFWITOOL:=$(objutil)/cbfstool/ifwitool
496 $(obj)/cbfstool: $(CBFSTOOL)
499 $(obj)/fmaptool: $(FMAPTOOL)
502 $(obj)/rmodtool: $(RMODTOOL)
505 $(obj)/ifwitool: $(IFWITOOL)
508 _WINCHECK=$(shell uname -o 2> /dev/null)
510 ifeq ($(_WINCHECK),Msys)
511 STACK=-Wl,--stack,16384000
513 ifeq ($(_WINCHECK),Cygwin)
514 STACK=-Wl,--stack,16384000
517 # this allows ccache to prepend itself
518 # (ccache handling happens first)
519 ROMCC_BIN= $(objutil)/romcc/romcc
521 $(ROMCC_BIN): $(top)/util/romcc/romcc.c
522 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
523 @# Note: Adding -O2 here might cause problems. For details see:
524 @# https://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
525 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
527 BINCFG:=$(objutil)/bincfg/bincfg
529 IFDTOOL:=$(objutil)/ifdtool/ifdtool
531 @printf " Compile IFDTOOL\n"
532 +$(MAKE) -C $(top)/util/ifdtool
533 cp -a $(top)/util/ifdtool/ifdtool $@
535 IFDFAKE:=$(objutil)/ifdfake/ifdfake
536 $(IFDFAKE): $(top)/util/ifdfake/ifdfake.c
537 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
538 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
540 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
541 $(AMDFWTOOL): $(top)/util/amdfwtool/amdfwtool.c
542 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
543 $(HOSTCC) $(HOSTCFLAGS) -DCONFIG_ROM_SIZE=$(CONFIG_ROM_SIZE) -o $@ $<
545 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
547 FUTILITY?=$(objutil)/futility/futility
549 subdirs-y += util/nvidia
551 BIMGTOOL:=$(objutil)/bimgtool/bimgtool
552 $(BIMGTOOL): $(top)/util/bimgtool/bimgtool.c
553 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
554 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
556 $(obj)/config.h: $(objutil)/kconfig/conf
558 #######################################################################
559 # needed objects that every mainboard uses
560 # Creation of these is architecture and mainboard independent
561 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
563 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
565 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
569 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
571 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
572 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
573 mkdir -p $(dir $(DEVICETREE_STATIC_C))
574 $(objutil)/sconfig/sconfig $(DEVICETREE_FILE) $(DEVICETREE_STATIC_C) $(OVERRIDE_DEVICETREE_FILE)
576 ramstage-y+=$(DEVICETREE_STATIC_C)
577 romstage-y+=$(DEVICETREE_STATIC_C)
578 verstage-y+=$(DEVICETREE_STATIC_C)
579 bootblock-y+=$(DEVICETREE_STATIC_C)
580 postcar-y+=$(DEVICETREE_STATIC_C)
581 smm-y+=$(DEVICETREE_STATIC_C)
583 #######################################################################
586 rm -rf coreboot-builds
588 clean-for-update-target: clean-payloads
589 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
590 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
591 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
592 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
593 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
594 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
595 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
596 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
599 rm -f $(obj)/coreboot*
601 #######################################################################
602 # Development utilities
605 @echo ldscripts=$(ldscripts)
608 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
611 util/gitconfig/gitconfig.sh "$(MAKE)"
613 include util/crossgcc/Makefile.inc
616 tools: $(objutil)/kconfig/conf $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(ROMCC_BIN) $(objutil)/sconfig/sconfig $(IFDTOOL) $(IFDFAKE) $(CBOOTIMAGE) $(AMDFWTOOL) $(FUTILITY) $(BINCFG)
618 ###########################################################################
619 # Common recipes for all stages
620 ###########################################################################
622 # loadaddr can determine the load address of a stage, which may be needed for
623 # platform-specific image headers (only works *after* the stage has been built)
624 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
625 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
627 # find-substr is required for stages like romstage_null and romstage_xip to
628 # eliminate the _* part of the string
629 find-substr = $(word 1,$(subst _, ,$(1)))
631 # find-class is used to identify the class from the name of the stage
632 # The input to this macro can be something like romstage.x or romstage.x.y
633 # find-class recursively strips off the suffixes to extract the exact class name
634 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
635 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
636 # and remove .x the next time and finally return romstage
637 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
639 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
640 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
641 # include the bss section in the binary so the BootROM clears the bss on
642 # loading of the bootblock stage. Achieve this by marking the bss section
643 # loadable,allocatable, and data. Do the same for the .data section in case
644 # the linker marked it NOBITS automatically because there are only zeroes in it.
645 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
647 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
649 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
650 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
651 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
652 $(OBJCOPY_bootblock) -O binary $@.tmp
653 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
657 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
658 # Makefiles wrapping the bootblock in a header can always key off the same file.
659 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
660 @printf " OBJCOPY $(notdir $(@))\n"
661 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
663 else # CONFIG_COMPRESS_BOOTBLOCK
665 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
666 @printf " OBJCOPY $(notdir $(@))\n"
667 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
669 endif # CONFIG_COMPRESS_BOOTBLOCK
671 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
672 @printf " OBJCOPY $(notdir $(@))\n"
673 $(OBJCOPY_bootblock) -O binary $< $@
675 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
678 $(objcbfs)/%.elf: $(objcbfs)/%.debug
679 $(eval class := $(call find-class,$(@F)))
680 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
682 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
683 $(OBJCOPY_$(class)) --strip-debug $@.tmp
684 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
688 ###########################################################################
689 # Build the final rom image
690 ###########################################################################
692 # extract_nth - Return a subsection of the $file string
694 # the input string looks like this:
695 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
698 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
699 # 2 - Name of file in cbfs [$(FILENAME)-file]
700 # 3 - File type: [$(FILENAME)-type]
701 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
702 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
703 # mma, efi, deleted, null
704 # 4 - Compression type [$(FILENAME)-compression]
706 # 5 - Base address [$(FILANAME)-position]
707 # 6 - Alignment [$(FILENAME)-align]
708 # 7 - cbfstool flags [$(FILENAME)-options]
711 # $(1) = Section to extract
712 # $(2) = Input string
715 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
716 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
717 # 3) remove the leading and trailing '-' characters
718 # 4) replace all '*' characters with spaces
719 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
721 # regions-for-file - Returns a cbfstool regions parameter
722 # $(call regions-for-file,$(filename))
723 # returns "REGION1,REGION2,..."
725 # This is the default implementation. When using a boot strategy employing
726 # multiple CBFSes in fmap regions, override it.
727 regions-for-file ?= COREBOOT
729 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
730 cbfs-autogen-attributes=-g
733 # cbfs-add-cmd-for-region
734 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
735 define cbfs-add-cmd-for-region
737 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
738 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
739 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
740 -f $(call extract_nth,1,$(1)) \
741 -n $(call extract_nth,2,$(1)) \
742 $(if $(filter-out flat-binary payload stage,$(call \
743 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
744 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
745 $(cbfs-autogen-attributes) \
747 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
748 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
749 $(call extract_nth,7,$(1))
753 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
757 # $(call cbfs-add-cmd,
758 # file in extract_nth format,
760 # non-empty if file removal requested)
762 printf " CBFS $(call extract_nth,2,$(1))\n"
763 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
764 $(call cbfs-add-cmd-for-region,$(1),$(2))
767 # list of files to add (using their file system names, not CBFS names),
768 # for dependencies etc.
769 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
772 # returns full list of fmap regions that we add files to
773 all-regions = $(sort $(subst $(comma),$(spc), \
774 $(foreach file,$(cbfs-files), \
775 $(call regions-for-file,$(call extract_nth,2,$(file))))))
777 # $(call all-files-in-region,region name)
778 # returns elements in $(cbfs-files) that end up in that region, in the order
779 # they appear in $(cbfs-files)
780 all-files-in-region = $(foreach file,$(cbfs-files), \
781 $(if $(filter $(1), \
782 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
785 # $(call update-file-for-region,file string from $(cbfs-files),region name)
786 # Update position and alignment according to overrides for region
787 # Doesn't check for invalid configurations (eg. resetting neither or both
788 # position and align)
789 # Returns the updated file string
790 update-file-for-region = \
791 $(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)))
793 # $(call placed-files-in-region,region name)
794 # like all-files-in-region, but updates the files to contain region overrides
795 # to position or alignment.
796 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
797 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
798 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
799 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
800 $(call update-file-for-region,$(file),$(1)), \
801 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
802 $(call update-file-for-region,$(file),$(1)), \
805 # $(call sort-files,subset of $(cbfs-files))
806 # reorders the files in the given set to list files at fixed positions first,
807 # followed by aligned files and finally those with no constraints.
809 $(eval _tmp_fixed:=) \
810 $(eval _tmp_aligned:=) \
811 $(eval _tmp_regular:=) \
812 $(foreach file,$(1), \
813 $(if $(call extract_nth,5,$(file)),\
814 $(eval _tmp_fixed += $(file)), \
815 $(if $(call extract_nth,6,$(file)), \
816 $(eval _tmp_aligned += $(file)), \
817 $(eval _tmp_regular += $(file))))) \
818 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
820 # command list to add files to CBFS
821 prebuild-files = $(foreach region,$(all-regions), \
823 $(call sort-files,$(call placed-files-in-region,$(region))), \
824 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
826 ifeq ($(CONFIG_FMDFILE),)
827 # For a description of the flash layout described by these variables, check
828 # the $(DEFAULT_FLASHMAP) .fmd files.
829 ifeq ($(CONFIG_ARCH_X86),y)
830 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
832 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
833 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
834 # entire "BIOS" region (everything directly of concern to the host system)
835 # relative to ROM_BASE
836 FMAP_BIOS_BASE := $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE))
837 FMAP_BIOS_SIZE := $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f)
838 # position and size of flashmap, relative to BIOS_BASE
840 FMAP_FMAP_SIZE := 0x200
843 # X86 CONSOLE FMAP region
845 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
846 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
847 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
848 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
849 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
850 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
851 FMAP_CONSOLE_BASE := 0
852 FMAP_CONSOLE_SIZE := 0
853 FMAP_CONSOLE_ENTRY :=
854 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
857 # X86 RW_MRC_CACHE FMAP region
859 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
860 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
861 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
862 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
863 $(FMAP_CONSOLE_SIZE)), 0x10000)
865 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
866 $(FMAP_FMAP_SIZE)), 0x10000)
868 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
869 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
870 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
871 FMAP_MRC_CACHE_BASE := 0
872 FMAP_MRC_CACHE_SIZE := 0
873 FMAP_MRC_CACHE_ENTRY :=
874 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
877 # X86 COREBOOT default cbfs FMAP region
879 # position and size of CBFS, relative to BIOS_BASE
880 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
881 FMAP_CBFS_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
883 FMAP_CBFS_BASE := $(call int-add, $(FMAP_CONSOLE_SIZE) $(FMAP_FMAP_SIZE))
885 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
886 else # ifeq ($(CONFIG_ARCH_X86),y)
887 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
890 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
891 # entire "BIOS" region (everything directly of concern to the host system)
892 # relative to ROM_BASE
894 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
895 # position and size of flashmap, relative to BIOS_BASE
896 FMAP_FMAP_BASE := 0x20000
897 FMAP_FMAP_SIZE := 0x100
900 # NON-X86 CONSOLE FMAP region
902 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
903 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
904 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
905 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
906 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
907 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
908 FMAP_CONSOLE_BASE := 0
909 FMAP_CONSOLE_SIZE := 0
910 FMAP_CONSOLE_ENTRY :=
911 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
914 # NON-X86 RW_MRC_CACHE FMAP region
916 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
917 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
918 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
919 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
920 $(FMAP_CONSOLE_SIZE)), 0x10000)
922 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
923 $(FMAP_FMAP_SIZE)), 0x10000)
925 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
926 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
927 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
928 FMAP_MRC_CACHE_BASE := 0
929 FMAP_MRC_CACHE_SIZE := 0
930 FMAP_MRC_CACHE_ENTRY :=
931 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
934 # NON-X86 COREBOOT default cbfs FMAP region
936 # position and size of CBFS, relative to BIOS_BASE
937 FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE) \
938 $(FMAP_MRC_CACHE_SIZE))
939 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
940 endif # ifeq ($(CONFIG_ARCH_X86),y)
942 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
943 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
944 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
945 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
946 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
947 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
948 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
949 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
950 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
951 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
952 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
953 $(DEFAULT_FLASHMAP) > $@.tmp
955 else # ifeq ($(CONFIG_FMDFILE),)
956 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
957 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
959 endif # ifeq ($(CONFIG_FMDFILE),)
961 # generated at the same time as fmap.fmap
962 $(obj)/fmap_config.h: $(obj)/fmap.fmap
963 $(obj)/fmap.desc: $(obj)/fmap.fmap
965 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
966 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
967 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
969 ifneq ($(CONFIG_UPDATE_IMAGE),y)
970 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
971 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
972 ifeq ($(CONFIG_ARCH_X86),y)
973 $(CBFSTOOL) $@.tmp add \
974 -f $(objcbfs)/bootblock.bin \
977 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes)
978 else # ifeq ($(CONFIG_ARCH_X86),y)
979 $(CBFSTOOL) $@.tmp write -u \
981 -f $(objcbfs)/bootblock.bin
982 # make space for the CBFS master header pointer. "ptr_" is just
983 # arbitrary 4 bytes that will be overwritten by add-master-header.
984 printf "ptr_" > $@.tmp.2
985 $(CBFSTOOL) $@.tmp add \
987 -n "header pointer" \
991 endif # ifeq ($(CONFIG_ARCH_X86),y)
992 $(CBFSTOOL) $@.tmp add-master-header
993 $(prebuild-files) true
995 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
996 .PHONY: $(obj)/coreboot.pre
997 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
998 mv $(obj)/coreboot.rom $@.tmp || \
999 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1000 echo "Exiting." && \
1002 $(prebuild-files) true
1004 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1006 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1007 REFCODE_BLOB=$(obj)/refcode.rmod
1008 $(REFCODE_BLOB): $(RMODTOOL)
1009 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1012 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/ramstage.elf $(CBFSTOOL) $$(INTERMEDIATE)
1013 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1014 # The full ROM may be larger than the CBFS part, so create an empty
1015 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1016 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1017 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1018 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
1019 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
1020 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1021 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
1022 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
1026 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1027 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1028 @printf " UPDATE-FIT\n"
1029 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
1032 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_GENERATE),y)
1033 @printf " UPDATE-FIT\n"
1034 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
1038 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1039 $(CBFSTOOL) $@ layout
1040 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1041 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1043 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1044 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1045 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1046 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1047 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1048 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1050 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1051 # Use a 64 byte alignment to provide a minimum alignment
1052 # requirement for the overall romstage. While the first object within
1053 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1054 # won't decide the entire section should be aligned to a larger value. In the
1055 # future cbfstool should add XIP files proper and honor the alignment
1056 # requirements of the program segment.
1058 # Make sure that segment for .car.data is ignored while adding romstage.
1059 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1060 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1062 # If CAR does not support execution of code, romstage on x86 is expected to be
1064 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1065 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1067 # If XIP_ROM_SIZE isn't being used don't overly constrain romstage by passing
1068 # -P with a default value.
1069 ifneq ($(CONFIG_NO_FIXED_XIP_ROM_SIZE),y)
1070 $(CONFIG_CBFS_PREFIX)/romstage-options += -P $(CONFIG_XIP_ROM_SIZE)
1071 endif # CONFIG_NO_FIXED_XIP_ROM_SIZE
1073 endif # CONFIG_NO_XIP_EARLY_STAGES
1074 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1076 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/ramstage
1077 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(objcbfs)/ramstage.elf
1078 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1079 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1081 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1082 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1083 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1084 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1086 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1087 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1088 vgaroms/seavgabios.bin-type := raw
1090 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1091 config-file := $(DOTCONFIG):defconfig
1094 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1095 revision-file := $(obj)/build.h
1096 revision-type := raw
1098 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1099 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1100 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1101 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1103 # Ensure that no payload segment overlaps with memory regions used by ramstage
1104 # (not for x86 since it can relocate itself in that case)
1105 ifneq ($(CONFIG_ARCH_X86),y)
1106 check-ramstage-overlap-regions := ramstage
1107 check-ramstage-overlap-files :=
1108 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1109 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1112 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1113 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1114 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1116 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1117 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1119 check-ramstage-overlaps: $(obj)/coreboot.pre
1120 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1121 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1122 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1124 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1125 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1127 for x in $$programs; do \
1128 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1129 pend=$$(($$pstart + $$x)) ; \
1130 rname= ; rstart= ; rend= ; \
1131 for y in $$regions ; do \
1132 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1133 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1135 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1136 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1137 $(check-ramstage-overlap-files) ; \
1140 rname= ; rstart= ; rend= ; \
1145 INTERMEDIATE+=check-ramstage-overlaps
1146 PHONY+=check-ramstage-overlaps