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 [ -e "$(top)/.git" ] && command -v git)
22 #######################################################################
23 # normalize Kconfig variables in a central place
24 CONFIG_CBFS_PREFIX:=$(call strip_quotes,$(CONFIG_CBFS_PREFIX))
25 CONFIG_FMDFILE:=$(call strip_quotes,$(CONFIG_FMDFILE))
26 CONFIG_DEVICETREE:=$(call strip_quotes, $(CONFIG_DEVICETREE))
28 #######################################################################
29 # misleadingly named, this is the coreboot version
30 ifeq ($(KERNELVERSION),)
31 ifeq ($(BUILD_TIMELESS),1)
32 KERNELVERSION := TIMELESS
34 KERNELVERSION := $(strip $(if $(GIT),\
35 $(shell git describe --dirty --always || git describe),\
36 $(if $(wildcard $(top)/.coreboot-version),\
37 $(shell cat $(top)/.coreboot-version),\
38 coreboot-unknown$(KERNELREVISION))))
41 COREBOOT_EXPORTS += KERNELVERSION
43 #######################################################################
44 # Basic component discovery
45 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
46 VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
47 COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR
49 ## Final build results, which CBFSTOOL uses to create the final
50 ## rom image file, are placed under $(objcbfs).
51 ## These typically have suffixes .debug .elf .bin and .map
52 objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
53 COREBOOT_EXPORTS += objcbfs
55 ## Based on the active configuration, Makefile conditionally collects
56 ## the required assembly includes and saves them in a file.
57 ## Such files that do not have a clear one-to-one relation to a source
58 ## file under src/ are placed and built under $(objgenerated)
59 objgenerated := $(obj)/generated
60 COREBOOT_EXPORTS += objgenerated
62 #######################################################################
63 # root rule to resolve if in build mode (ie. configuration exists)
64 real-target: $(obj)/config.h coreboot files_added
65 coreboot: build-dirs $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool
67 # This target can be used in site local to run scripts or additional
68 # targets after the build completes by creating a Makefile.inc in the
69 # site-local directory with a target named 'build_complete::'
70 build_complete:: coreboot
71 printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \
72 $(CONFIG_MAINBOARD_PART_NUMBER)
74 # This target can be used to run rules after all files were added to CBFS,
75 # for example to process FMAP regions or the entire image.
76 files_added:: build_complete
78 #######################################################################
80 PHONY+= clean-abuild coreboot build-dirs build_complete
82 #######################################################################
83 # root source directories of coreboot
84 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi
85 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
86 subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
87 subdirs-y += src/superio
88 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*)
89 subdirs-y += src/cpu src/vendorcode
90 subdirs-y += util/cbfstool util/sconfig util/nvramtool util/broadcom
91 subdirs-y += util/futility util/marvell util/blobtool
92 subdirs-y += $(wildcard src/arch/*)
93 subdirs-y += src/mainboard/$(MAINBOARDDIR)
94 subdirs-y += src/security
95 subdirs-y += payloads payloads/external
97 subdirs-y += site-local
98 subdirs-y += util/checklist util/testing
100 #######################################################################
101 # Add source classes and their build options
102 classes-y := ramstage romstage bootblock postcar smm smmstub cpu_microcode verstage
104 # Add dynamic classes for rmodules
105 $(foreach supported_arch,$(ARCH_SUPPORTED), \
106 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
107 # Provide a macro to determine environment for free standing rmodules.
108 $(foreach supported_arch,$(ARCH_SUPPORTED), \
109 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
111 #######################################################################
112 # Helper functions for math, strings, and various file placement matters.
113 # macros work on all formats understood by printf(1)
114 # values are space separated if using more than one value
116 # int-add: adds an arbitrary length list of integers
117 # int-subtract: subtracts the the second of two integers from the first
118 # int-multiply: multiplies an arbitrary length list of integers
119 # int-divide: divides the first integer by the second
120 # int-remainder: arithmetic remainder of the first number divided by the second
121 # int-shift-left: Shift $1 left by $2 bits
122 # int-lt: 1 if the first value is less than the second. 0 otherwise
123 # int-gt: 1 if the first values is greater than the second. 0 otherwise
124 # int-eq: 1 if the two values are equal. 0 otherwise
125 # int-align: align $1 to $2 units
126 # file-size: returns the filesize of the given file
127 # tolower: returns the value in all lowercase
128 # toupper: returns the value in all uppercase
129 # ws_to_under: returns the value with any whitespace changed to underscores
130 _toint=$(shell printf "%d" $1)
131 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
132 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
133 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
134 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
135 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
136 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
137 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
138 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
139 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
140 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
141 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
142 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
143 file-size=$(strip $(shell cat $1 | wc -c))
144 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
145 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
146 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
148 #######################################################################
149 # Helper functions for ramstage postprocess
156 # files-in-dir-recursive,dir,files
157 files-in-dir-recursive=$(filter $(1)%,$(2))
160 parent-dir=$(dir $(if $(patsubst /%,,$(1)),,/)$(subst $( ),/,$(strip $(subst /, ,$(1)))))
162 # filters out exactly the directory specified
163 # filter-out-dir,dir_to_keep,dirs
164 filter-out-dir=$(filter-out $(1),$(2))
166 # filters out dir_to_keep and all its parents
167 # filter-out-dirs,dir_to_keep,dirs
168 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),$(2)))
171 dir-wildcards=$(addsuffix %,$(1))
173 # files-in-dir,dir,files
174 files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(sort $(dir $(2))))),$(call files-in-dir-recursive,$(1),$(2)))
176 #######################################################################
177 # reduce command line length by linking the objects of each
178 # directory into an intermediate file
179 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
180 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
181 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
182 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
184 bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
185 romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
186 ramstage-generic-ccopts += -D__RAMSTAGE__
187 ifeq ($(CONFIG_TRACE),y)
188 ramstage-c-ccopts += -finstrument-functions
190 ifeq ($(CONFIG_COVERAGE),y)
191 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
194 ifneq ($(UPDATED_SUBMODULES),1)
195 # try to fetch non-optional submodules if the source is under git
196 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
197 ifeq ($(CONFIG_USE_BLOBS),y)
198 # this is necessary because 3rdparty/blobs is update=none, and so is ignored
199 # unless explicitly requested and enabled through --checkout
200 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
202 UPDATED_SUBMODULES:=1
203 COREBOOT_EXPORTS += UPDATED_SUBMODULES
206 postcar-c-deps:=$$(OPTION_TABLE_H)
207 ramstage-c-deps:=$$(OPTION_TABLE_H)
208 romstage-c-deps:=$$(OPTION_TABLE_H)
209 verstage-c-deps:=$$(OPTION_TABLE_H)
210 bootblock-c-deps:=$$(OPTION_TABLE_H)
211 $(foreach type,ads adb, \
212 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
213 $(eval $(stage)-$(type)-deps := $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
215 # Add handler to copy linker scripts
216 define generic-objs_ld_template_gen
217 de$(EMPTY)fine $(1)-objs_ld_template
218 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
219 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
220 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
224 # Add handler to deal with archives
225 define generic-objs_a_template_gen
226 de$(EMPTY)fine $(1)-objs_a_template
227 $$(call src-to-obj,$1,$$(1).a): $$(1).a
228 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
229 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
234 # Add handler to add no rules for manual files
235 define generic-objs_manual_template_gen
239 #######################################################################
240 # Add handler to compile ACPI's ASL
241 # arg1: base file name
242 # arg2: y or n for including in cbfs. defaults to y
244 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
245 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
246 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
247 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
248 -include $(obj)/$(1).d
249 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
250 @printf " IASL $$(subst $(top)/,,$$(@))\n"
251 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$@
252 cd $$(dir $$@); $(IASL) -we -p $$(notdir $$@) $$(notdir $$@)
253 if [ -z "$$$$($(IASL) -d $$@ 2>&1 | grep 'ACPI Warning')" ]; then echo " IASL $$@ disassembled correctly."; true; else echo "Error: Could not correctly disassemble $$@"; $(IASL) -d $$@; false; fi
256 #######################################################################
257 # Parse plaintext cmos defaults into binary format
259 # arg2: binary file name
260 cbfs-files-processor-nvramtool= \
261 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
262 printf " CREATE $(2) (from $(1))\n"; \
263 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
266 #######################################################################
267 # Link VSA binary to ELF-ish stage
269 # arg2: binary file name
270 cbfs-files-processor-vsa= \
271 $(eval $(2): $(1) ; \
272 printf " CREATE $(2) (from $(1))\n"; \
273 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
274 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
276 #######################################################################
277 # Reduce a .config file to its minimal representation
280 cbfs-files-processor-defconfig= \
281 $(eval $(2): $(1) $(obj)/build.h; \
282 +printf " CREATE $(2) (from $(1))\n"; \
283 printf "\# This image was built using coreboot " > $(2).tmp && \
284 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
285 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
286 cat $(2).tmp2 >> $(2).tmp && \
288 \mv -f $(2).tmp $(2))
290 #######################################################################
291 # Compile a C file with a bare struct definition into binary
292 # arg1: C source file
294 cbfs-files-processor-struct= \
295 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
296 printf " CC+STRIP $(@)\n"; \
297 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
298 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
300 $(eval DEPENDENCIES += $(2).d)
302 #######################################################################
303 # Add handler for arbitrary files in CBFS
304 $(call add-special-class,cbfs-files)
305 cbfs-files-handler= \
306 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
307 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
308 $(eval tmp-cbfs-file:= ) \
310 $(if $(wildcard $(1)$($(2)-file)), \
311 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
312 $(eval tmp-cbfs-file:= $($(2)-file)))) \
313 $(if $(strip $($(2)-required)), \
314 $(if $(wildcard $(tmp-cbfs-file)),, \
315 $(info This build configuration requires $($(2)-required)) \
316 $(eval FAILBUILD:=1) \
318 $(if $(strip $($(2)-align)), \
319 $(if $(strip $($(2)-position)), \
320 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
321 $(eval FAILBUILD:=1) \
323 $(if $(tmp-cbfs-method), \
324 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
325 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
326 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
327 $(if $(tmp-cbfs-file), \
328 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
329 $(eval $(2)-name:=) \
330 $(eval $(2)-type:=) \
331 $(eval $(2)-compression:=) \
332 $(eval $(2)-position:=) \
333 $(eval $(2)-required:=) \
334 $(eval $(2)-options:=) \
337 #######################################################################
338 # a variety of flags for our build
339 CBFS_COMPRESS_FLAG:=none
340 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
341 CBFS_COMPRESS_FLAG:=LZMA
344 CBFS_PAYLOAD_COMPRESS_FLAG:=none
345 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
346 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
349 CBFS_PRERAM_COMPRESS_FLAG:=none
350 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
351 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
354 ifneq ($(CONFIG_LOCALVERSION),"")
355 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
356 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
359 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
360 CPPFLAGS_common += -Isrc/device/oprom/include
361 VBOOT_SOURCE ?= 3rdparty/vboot
362 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
363 CPPFLAGS_common += -include $(src)/include/kconfig.h
364 CPPFLAGS_common += -I3rdparty
366 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
367 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
368 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
369 CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time
370 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
371 CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
372 ifeq ($(CONFIG_COMPILER_GCC),y)
373 CFLAGS_common += -fno-delete-null-pointer-checks -fconserve-stack
376 ADAFLAGS_common += -gnatp
377 ADAFLAGS_common += -Wuninitialized -Wall -Werror
378 ADAFLAGS_common += -pipe -g -nostdinc
379 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
380 ADAFLAGS_common += -fno-common -fomit-frame-pointer
381 ADAFLAGS_common += -ffunction-sections -fdata-sections
382 # Ada warning options:
384 # a Activate most optional warnings.
385 # .e Activate every optional warnings.
386 # e Treat warnings and style checks as errors.
388 # D Suppress warnings on implicit dereferences:
389 # As SPARK does not accept access types we have to map the
390 # dynamically chosen register locations to a static SPARK
393 # .H Suppress warnings on holes/gaps in records:
394 # We are modelling hardware here!
396 # H Suppress warnings on hiding:
397 # It's too annoying, you run out of ideas for identifiers fast.
399 # T Suppress warnings for tracking of deleted conditional code:
400 # We use static options to select code paths at compile time.
402 # U Suppress warnings on unused entities:
403 # Would have lots of warnings for unused register definitions,
404 # `withs` for debugging etc.
406 # .U Deactivate warnings on unordered enumeration types:
407 # As SPARK doesn't support `pragma Ordered` by now, we don't
410 # .W Suppress warnings on unnecessary Warnings Off pragmas:
411 # Things get really messy when you use different compiler
412 # versions, otherwise.
413 # .Y Disable information messages for why package spec needs body:
414 # Those messages are annoying. But don't forget to enable those,
415 # if you need the information.
416 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
417 # Disable style checks for now
418 ADAFLAGS_common += -gnatyN
420 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
422 ifeq ($(CONFIG_COMPILER_GCC),y)
423 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
424 CFLAGS_common += -Wno-unused-but-set-variable
427 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
428 CFLAGS_common += -Werror
430 ifneq ($(GDB_DEBUG),)
432 ADAFLAGS_common += -Og
435 ADAFLAGS_common += -Os
438 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
439 ADAFLAGS_common += -gnata
442 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
443 $(objutil)/ifdfake $(objutil)/options $(objutil)/amdfwtool \
444 $(objutil)/cbootimage $(objutil)/bimgtool
446 export $(COREBOOT_EXPORTS)
448 #######################################################################
449 # generate build support files
450 $(obj)/build.h: .xcompile
451 @printf " GEN build.h\n"
453 util/genbuild_h/genbuild_h.sh > $(obj)/build.ht
454 mv $(obj)/build.ht $(obj)/build.h
457 mkdir -p $(objcbfs) $(objgenerated)
459 #######################################################################
461 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
462 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
463 RMODTOOL:=$(objutil)/cbfstool/rmodtool
464 IFWITOOL:=$(objutil)/cbfstool/ifwitool
466 $(obj)/cbfstool: $(CBFSTOOL)
469 $(obj)/fmaptool: $(FMAPTOOL)
472 $(obj)/rmodtool: $(RMODTOOL)
475 $(obj)/ifwitool: $(IFWITOOL)
478 _WINCHECK=$(shell uname -o 2> /dev/null)
480 ifeq ($(_WINCHECK),Msys)
481 STACK=-Wl,--stack,16384000
483 ifeq ($(_WINCHECK),Cygwin)
484 STACK=-Wl,--stack,16384000
487 # this allows ccache to prepend itself
488 # (ccache handling happens first)
489 ROMCC_BIN= $(objutil)/romcc/romcc
491 $(ROMCC_BIN): $(top)/util/romcc/romcc.c
492 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
493 @# Note: Adding -O2 here might cause problems. For details see:
494 @# https://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
495 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
497 BLOBTOOL:=$(objutil)/blobtool/blobtool
499 IFDTOOL:=$(objutil)/ifdtool/ifdtool
501 @printf " Compile IFDTOOL\n"
502 +$(MAKE) -C $(top)/util/ifdtool
503 cp -a $(top)/util/ifdtool/ifdtool $@
505 IFDFAKE:=$(objutil)/ifdfake/ifdfake
506 $(IFDFAKE): $(top)/util/ifdfake/ifdfake.c
507 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
508 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
510 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
511 $(AMDFWTOOL): $(top)/util/amdfwtool/amdfwtool.c
512 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
513 $(HOSTCC) $(HOSTCFLAGS) -DCONFIG_ROM_SIZE=$(CONFIG_ROM_SIZE) -o $@ $<
515 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
517 FUTILITY?=$(objutil)/futility/futility
519 subdirs-y += util/nvidia
521 BIMGTOOL:=$(objutil)/bimgtool/bimgtool
522 $(BIMGTOOL): $(top)/util/bimgtool/bimgtool.c
523 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
524 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
526 $(obj)/config.h: $(objutil)/kconfig/conf
528 #######################################################################
529 # needed objects that every mainboard uses
530 # Creation of these is architecture and mainboard independent
531 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
532 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
534 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(objutil)/sconfig/sconfig
535 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
536 mkdir -p $(dir $(DEVICETREE_STATIC_C))
537 $(objutil)/sconfig/sconfig $(DEVICETREE_FILE) $(DEVICETREE_STATIC_C)
539 ramstage-y+=$(DEVICETREE_STATIC_C)
540 romstage-y+=$(DEVICETREE_STATIC_C)
541 verstage-y+=$(DEVICETREE_STATIC_C)
542 bootblock-y+=$(DEVICETREE_STATIC_C)
543 postcar-y+=$(DEVICETREE_STATIC_C)
545 #######################################################################
548 rm -rf coreboot-builds
550 clean-for-update-target: clean-payloads
551 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
552 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
553 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
554 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
555 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
556 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
557 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
558 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
561 rm -f $(obj)/coreboot*
563 #######################################################################
564 # Development utilities
567 @echo ldscripts=$(ldscripts)
570 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
575 for hook in commit-msg pre-commit ; do \
576 if [ util/gitconfig/$$hook -nt .git/hooks/$$hook -o \
577 ! -x .git/hooks/$$hook ]; then \
578 sed -e "s,%MAKE%,$(MAKE),g" util/gitconfig/$$hook > .git/hooks/$$hook; \
579 chmod +x .git/hooks/$$hook; \
582 # Now set up thehooks for 3rdparty/
583 for hooks in .git/modules/{3rdparty/blobs,libhwbase,libgfxinit}/hooks; do \
585 \( util/gitconfig/commit-msg -nt $$hooks/commit-msg -o \
586 ! -x $$hooks/commit-msg \) ]; then \
587 sed -e "s,%MAKE%,$(MAKE),g" util/gitconfig/commit-msg > $$hooks/commit-msg; \
588 chmod +x $$hooks/commit-msg; \
591 for d in 3rdparty/{blobs,libhwbase,libgfxinit}; do \
592 if [ -d $$d ]; then \
594 git config remote.origin.push HEAD:refs/for/master); \
597 git config remote.origin.push HEAD:refs/for/master
598 git config alias.sup '!git submodule update --remote --rebase && git submodule update --init --checkout'
599 git config alias.sup-destroy '!git submodule deinit --force "$$(git rev-parse --show-toplevel)"; git submodule init && git submodule update --checkout'
600 (git config --includes user.name >/dev/null && git config --includes user.email >/dev/null) || (printf 'Please configure your name and email in git:\n\n git config --global user.name "Your Name Comes Here"\n git config --global user.email your.email@example.com\n'; exit 1)
602 include util/crossgcc/Makefile.inc
605 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) $(BLOBTOOL)
607 ###########################################################################
608 # Common recipes for all stages
609 ###########################################################################
611 # loadaddr can determine the load address of a stage, which may be needed for
612 # platform-specific image headers (only works *after* the stage has been built)
613 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
614 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
616 # find-substr is required for stages like romstage_null and romstage_xip to
617 # eliminate the _* part of the string
618 find-substr = $(word 1,$(subst _, ,$(1)))
620 # find-class is used to identify the class from the name of the stage
621 # The input to this macro can be something like romstage.x or romstage.x.y
622 # find-class recursively strips off the suffixes to extract the exact class name
623 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
624 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
625 # and remove .x the next time and finally return romstage
626 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
628 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
629 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
630 # include the bss section in the binary so the BootROM clears the bss on
631 # loading of the bootblock stage. Achieve this by marking the bss section
632 # loadable,allocatable, and data. Do the same for the .data section in case
633 # it's marked as NOBITS.
634 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.elf
635 @printf " OBJCOPY $(notdir $(@))\n"
636 $(OBJCOPY_bootblock) --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data $< $<.tmp
637 $(OBJCOPY_bootblock) -O binary $<.tmp $@
639 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
642 $(objcbfs)/%.elf: $(objcbfs)/%.debug
643 $(eval class := $(call find-class,$(@F)))
644 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
646 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
647 $(OBJCOPY_$(class)) --strip-debug $@.tmp
648 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
651 ###########################################################################
652 # Build the final rom image
653 ###########################################################################
655 # extract_nth - Return a subsection of the $file string
657 # the input string looks like this:
658 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
661 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
662 # 2 - Name of file in cbfs [$(FILENAME)-file]
663 # 3 - File type: [$(FILENAME)-type]
664 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
665 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
666 # mma, efi, deleted, null
667 # 4 - Compression type [$(FILENAME)-compression]
669 # 5 - Base address [$(FILANAME)-position]
670 # 6 - Alignment [$(FILENAME)-align]
671 # 7 - cbfstool flags [$(FILENAME)-options]
674 # $(1) = Section to extract
675 # $(2) = Input string
678 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
679 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
680 # 3) remove the leading and trailing '-' characters
681 # 4) replace all '*' characters with spaces
682 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
684 # regions-for-file - Returns a cbfstool regions parameter
685 # $(call regions-for-file,$(filename))
686 # returns "REGION1,REGION2,..."
688 # This is the default implementation. When using a boot strategy employing
689 # multiple CBFSes in fmap regions, override it.
690 regions-for-file ?= COREBOOT
692 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
693 cbfs-autogen-attributes=-g
696 # cbfs-add-cmd-for-region
697 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
698 define cbfs-add-cmd-for-region
700 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
701 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
702 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
703 -f $(call extract_nth,1,$(1)) \
704 -n $(call extract_nth,2,$(1)) \
705 $(if $(filter-out flat-binary,$(filter-out stage,$(call \
706 extract_nth,3,$(1)))),-t $(call extract_nth,3,$(1))) \
707 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
708 $(cbfs-autogen-attributes) \
710 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
711 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
712 $(call extract_nth,7,$(1))
716 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
720 # $(call cbfs-add-cmd,
721 # file in extract_nth format,
723 # non-empty if file removal requested)
725 printf " CBFS $(call extract_nth,2,$(1))\n"
726 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
727 $(call cbfs-add-cmd-for-region,$(1),$(2))
730 # list of files to add (using their file system names, not CBFS names),
731 # for dependencies etc.
732 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
735 # returns full list of fmap regions that we add files to
736 all-regions = $(sort $(subst $(comma),$(spc), \
737 $(foreach file,$(cbfs-files), \
738 $(call regions-for-file,$(call extract_nth,2,$(file))))))
740 # $(call all-files-in-region,region name)
741 # returns elements in $(cbfs-files) that end up in that region, in the order
742 # they appear in $(cbfs-files)
743 all-files-in-region = $(foreach file,$(cbfs-files), \
744 $(if $(filter $(1), \
745 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
748 # $(call update-file-for-region,file string from $(cbfs-files),region name)
749 # Update position and alignment according to overrides for region
750 # Doesn't check for invalid configurations (eg. resetting neither or both
751 # position and align)
752 # Returns the updated file string
753 update-file-for-region = \
754 $(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)))
756 # $(call placed-files-in-region,region name)
757 # like all-files-in-region, but updates the files to contain region overrides
758 # to position or alignment.
759 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
760 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
761 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
762 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
763 $(call update-file-for-region,$(file),$(1)), \
764 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
765 $(call update-file-for-region,$(file),$(1)), \
768 # $(call sort-files,subset of $(cbfs-files))
769 # reorders the files in the given set to list files at fixed positions first,
770 # followed by aligned files and finally those with no constraints.
772 $(eval _tmp_fixed:=) \
773 $(eval _tmp_aligned:=) \
774 $(eval _tmp_regular:=) \
775 $(foreach file,$(1), \
776 $(if $(call extract_nth,5,$(file)),\
777 $(eval _tmp_fixed += $(file)), \
778 $(if $(call extract_nth,6,$(file)), \
779 $(eval _tmp_aligned += $(file)), \
780 $(eval _tmp_regular += $(file))))) \
781 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
783 # command list to add files to CBFS
784 prebuild-files = $(foreach region,$(all-regions), \
786 $(call sort-files,$(call placed-files-in-region,$(region))), \
787 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
789 ifeq ($(CONFIG_FMDFILE),)
790 # For a description of the flash layout described by these variables, check
791 # the $(DEFAULT_FLASHMAP) .fmd files.
792 ifeq ($(CONFIG_ARCH_X86),y)
793 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
795 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
796 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
797 # entire "BIOS" region (everything directly of concern to the host system)
798 # relative to ROM_BASE
799 FMAP_BIOS_BASE := $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE))
800 FMAP_BIOS_SIZE := $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f)
801 # position and size of flashmap, relative to BIOS_BASE
803 FMAP_FMAP_SIZE := 0x100
804 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
805 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
806 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
807 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
808 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
809 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
810 FMAP_CONSOLE_BASE := 0
811 FMAP_CONSOLE_SIZE := 0
812 FMAP_CONSOLE_ENTRY :=
813 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
814 # position and size of CBFS, relative to BIOS_BASE
815 FMAP_CBFS_BASE := $(call int-add, $(FMAP_CONSOLE_SIZE) $(FMAP_FMAP_SIZE))
816 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
817 else # ifeq ($(CONFIG_ARCH_X86),y)
818 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
821 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
822 # entire "BIOS" region (everything directly of concern to the host system)
823 # relative to ROM_BASE
825 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
826 # position and size of flashmap, relative to BIOS_BASE
827 FMAP_FMAP_BASE := 0x20000
828 FMAP_FMAP_SIZE := 0x100
829 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
830 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
831 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
832 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
833 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
834 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
835 FMAP_CONSOLE_BASE := 0
836 FMAP_CONSOLE_SIZE := 0
837 FMAP_CONSOLE_ENTRY :=
838 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
839 # position and size of CBFS, relative to BIOS_BASE
840 FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE))
841 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
842 endif # ifeq ($(CONFIG_ARCH_X86),y)
844 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
845 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
846 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
847 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
848 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
849 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
850 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
851 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
852 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
853 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
854 $(DEFAULT_FLASHMAP) > $@.tmp
856 else # ifeq ($(CONFIG_FMDFILE),)
857 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
858 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
860 endif # ifeq ($(CONFIG_FMDFILE),)
862 # generated at the same time as fmap.fmap
863 $(obj)/fmap_config.h: $(obj)/fmap.fmap
864 $(obj)/fmap.desc: $(obj)/fmap.fmap
866 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
867 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
868 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
870 ifneq ($(CONFIG_UPDATE_IMAGE),y)
871 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
872 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
873 ifeq ($(CONFIG_ARCH_X86),y)
874 $(CBFSTOOL) $@.tmp add \
875 -f $(objcbfs)/bootblock.bin \
878 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes)
879 else # ifeq ($(CONFIG_ARCH_X86),y)
880 $(CBFSTOOL) $@.tmp write -u \
882 -f $(objcbfs)/bootblock.bin
883 # make space for the CBFS master header pointer. "ptr_" is just
884 # arbitrary 4 bytes that will be overwritten by add-master-header.
885 printf "ptr_" > $@.tmp.2
886 $(CBFSTOOL) $@.tmp add \
888 -n "header pointer" \
892 endif # ifeq ($(CONFIG_ARCH_X86),y)
893 $(CBFSTOOL) $@.tmp add-master-header
894 $(prebuild-files) true
896 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
897 .PHONY: $(obj)/coreboot.pre
898 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
899 mv $(obj)/coreboot.rom $@.tmp || \
900 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
903 $(prebuild-files) true
905 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
907 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
908 REFCODE_BLOB=$(obj)/refcode.rmod
909 $(REFCODE_BLOB): $(RMODTOOL)
910 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
913 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/ramstage.elf $(CBFSTOOL) $$(INTERMEDIATE)
914 @printf " CBFS $(subst $(obj)/,,$(@))\n"
915 # The full ROM may be larger than the CBFS part, so create an empty
916 # file (filled with \377 = 0xff) and copy the CBFS image over it.
917 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
918 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
919 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
920 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
921 ifneq ($(CONFIG_UPDATE_IMAGE),y)
922 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
923 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
927 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
928 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
929 @printf " UPDATE-FIT\n"
930 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
933 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_GENERATE),y)
934 @printf " UPDATE-FIT\n"
935 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
939 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
940 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
942 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
943 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
944 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
945 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
946 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
947 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
949 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
950 # Use a 64 byte alignment to provide a minimum alignment
951 # requirement for the overall romstage. While the first object within
952 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
953 # won't decide the entire section should be aligned to a larger value. In the
954 # future cbfstool should add XIP files proper and honor the alignment
955 # requirements of the program segment.
957 # Make sure that segment for .car.data is ignored while adding romstage.
958 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
959 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
961 # If CAR does not support execution of code, romstage on x86 is expected to be
963 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
964 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
966 # If XIP_ROM_SIZE isn't being used don't overly constrain romstage by passing
967 # -P with a default value.
968 ifneq ($(CONFIG_NO_FIXED_XIP_ROM_SIZE),y)
969 $(CONFIG_CBFS_PREFIX)/romstage-options += -P $(CONFIG_XIP_ROM_SIZE)
970 endif # CONFIG_NO_FIXED_XIP_ROM_SIZE
972 endif # CONFIG_NO_XIP_EARLY_STAGES
973 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
975 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/ramstage
976 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(objcbfs)/ramstage.elf
977 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
978 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
980 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
981 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
982 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
983 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
985 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
986 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
987 vgaroms/seavgabios.bin-type := raw
989 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
990 config-file := $(DOTCONFIG):defconfig
993 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
994 revision-file := $(obj)/build.h
997 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
998 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
999 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1000 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1002 cbfs-files-$(CONFIG_BOARD_ID_MANUAL) += board_id
1003 board_id-file := $(obj)/board_id
1004 board_id-type := raw
1007 printf $(CONFIG_BOARD_ID_STRING) > $@
1009 # Ensure that no payload segment overlaps with memory regions used by ramstage
1010 # (not for x86 since it can relocate itself in that case)
1011 ifneq ($(CONFIG_ARCH_X86),y)
1012 check-ramstage-overlap-regions := ramstage
1013 check-ramstage-overlap-files :=
1014 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1015 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1018 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1019 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1020 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1022 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1023 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1025 check-ramstage-overlaps: $(obj)/coreboot.pre
1026 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1027 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1028 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1030 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1031 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1033 for x in $$programs; do \
1034 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1035 pend=$$(($$pstart + $$x)) ; \
1036 rname= ; rstart= ; rend= ; \
1037 for y in $$regions ; do \
1038 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1039 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1041 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1042 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1043 $(check-ramstage-overlap-files) ; \
1046 rname= ; rstart= ; rend= ; \
1051 INTERMEDIATE+=check-ramstage-overlaps
1052 PHONY+=check-ramstage-overlaps