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, $(CONFIG_DEVICETREE))
29 #######################################################################
30 # misleadingly named, this is the coreboot version
31 ifeq ($(KERNELVERSION),)
32 ifeq ($(BUILD_TIMELESS),1)
33 KERNELVERSION := TIMELESS
35 KERNELVERSION := $(strip $(if $(GIT),\
36 $(shell git describe --dirty --always || git describe),\
37 $(if $(wildcard $(top)/.coreboot-version),\
38 $(shell cat $(top)/.coreboot-version),\
39 coreboot-unknown$(KERNELREVISION))))
42 COREBOOT_EXPORTS += KERNELVERSION
44 #######################################################################
45 # Basic component discovery
46 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
47 VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
48 COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR
50 ## Final build results, which CBFSTOOL uses to create the final
51 ## rom image file, are placed under $(objcbfs).
52 ## These typically have suffixes .debug .elf .bin and .map
53 objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
54 COREBOOT_EXPORTS += objcbfs
56 ## Based on the active configuration, Makefile conditionally collects
57 ## the required assembly includes and saves them in a file.
58 ## Such files that do not have a clear one-to-one relation to a source
59 ## file under src/ are placed and built under $(objgenerated)
60 objgenerated := $(obj)/generated
61 COREBOOT_EXPORTS += objgenerated
63 #######################################################################
64 # root rule to resolve if in build mode (ie. configuration exists)
65 real-target: $(obj)/config.h coreboot files_added
66 coreboot: build-dirs $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool
68 # This target can be used in site local to run scripts or additional
69 # targets after the build completes by creating a Makefile.inc in the
70 # site-local directory with a target named 'build_complete::'
71 build_complete:: coreboot
72 printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \
73 $(CONFIG_MAINBOARD_PART_NUMBER)
75 # This target can be used to run rules after all files were added to CBFS,
76 # for example to process FMAP regions or the entire image.
77 files_added:: build_complete
79 #######################################################################
81 PHONY+= clean-abuild coreboot build-dirs build_complete
83 #######################################################################
84 # root source directories of coreboot
85 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi
86 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
87 subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
88 subdirs-y += src/superio
89 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*)
90 subdirs-y += src/cpu src/vendorcode
91 subdirs-y += util/cbfstool util/sconfig util/nvramtool util/broadcom
92 subdirs-y += util/futility util/marvell util/bincfg
93 subdirs-y += $(wildcard src/arch/*)
94 subdirs-y += src/mainboard/$(MAINBOARDDIR)
95 subdirs-y += src/security
96 subdirs-y += payloads payloads/external
98 subdirs-y += site-local
99 subdirs-y += util/checklist util/testing
101 #######################################################################
102 # Add source classes and their build options
103 classes-y := ramstage romstage bootblock postcar smm smmstub cpu_microcode verstage
105 # Add dynamic classes for rmodules
106 $(foreach supported_arch,$(ARCH_SUPPORTED), \
107 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
108 # Provide a macro to determine environment for free standing rmodules.
109 $(foreach supported_arch,$(ARCH_SUPPORTED), \
110 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
112 #######################################################################
113 # Helper functions for math, strings, and various file placement matters.
114 # macros work on all formats understood by printf(1)
115 # values are space separated if using more than one value
117 # int-add: adds an arbitrary length list of integers
118 # int-subtract: subtracts the the second of two integers from the first
119 # int-multiply: multiplies an arbitrary length list of integers
120 # int-divide: divides the first integer by the second
121 # int-remainder: arithmetic remainder of the first number divided by the second
122 # int-shift-left: Shift $1 left by $2 bits
123 # int-lt: 1 if the first value is less than the second. 0 otherwise
124 # int-gt: 1 if the first values is greater than the second. 0 otherwise
125 # int-eq: 1 if the two values are equal. 0 otherwise
126 # int-align: align $1 to $2 units
127 # file-size: returns the filesize of the given file
128 # tolower: returns the value in all lowercase
129 # toupper: returns the value in all uppercase
130 # ws_to_under: returns the value with any whitespace changed to underscores
131 _toint=$(shell printf "%d" $1)
132 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
133 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
134 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
135 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
136 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
137 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
138 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
139 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
140 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
141 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
142 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
143 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
144 file-size=$(strip $(shell cat $1 | wc -c))
145 tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
146 toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
147 ws_to_under=$(shell echo '$1' | tr ' \t' '_')
149 #######################################################################
150 # Helper functions for ramstage postprocess
157 # files-in-dir-recursive,dir,files
158 files-in-dir-recursive=$(filter $(1)%,$(2))
161 parent-dir=$(dir $(if $(patsubst /%,,$(1)),,/)$(subst $( ),/,$(strip $(subst /, ,$(1)))))
163 # filters out exactly the directory specified
164 # filter-out-dir,dir_to_keep,dirs
165 filter-out-dir=$(filter-out $(1),$(2))
167 # filters out dir_to_keep and all its parents
168 # filter-out-dirs,dir_to_keep,dirs
169 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),$(2)))
172 dir-wildcards=$(addsuffix %,$(1))
174 # files-in-dir,dir,files
175 files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(sort $(dir $(2))))),$(call files-in-dir-recursive,$(1),$(2)))
177 #######################################################################
178 # reduce command line length by linking the objects of each
179 # directory into an intermediate file
180 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
181 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
182 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
183 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
185 bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
186 romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
187 ramstage-generic-ccopts += -D__RAMSTAGE__
188 ifeq ($(CONFIG_TRACE),y)
189 ramstage-c-ccopts += -finstrument-functions
191 ifeq ($(CONFIG_COVERAGE),y)
192 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
195 ifneq ($(UPDATED_SUBMODULES),1)
196 # try to fetch non-optional submodules if the source is under git
197 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
198 ifeq ($(CONFIG_USE_BLOBS),y)
199 # this is necessary because 3rdparty/blobs is update=none, and so is ignored
200 # unless explicitly requested and enabled through --checkout
201 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
203 UPDATED_SUBMODULES:=1
204 COREBOOT_EXPORTS += UPDATED_SUBMODULES
207 postcar-c-deps:=$$(OPTION_TABLE_H)
208 ramstage-c-deps:=$$(OPTION_TABLE_H)
209 romstage-c-deps:=$$(OPTION_TABLE_H)
210 verstage-c-deps:=$$(OPTION_TABLE_H)
211 bootblock-c-deps:=$$(OPTION_TABLE_H)
212 $(foreach type,ads adb, \
213 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
214 $(eval $(stage)-$(type)-deps := $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
216 # Add handler to copy linker scripts
217 define generic-objs_ld_template_gen
218 de$(EMPTY)fine $(1)-objs_ld_template
219 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
220 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
221 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
225 # Add handler to deal with archives
226 define generic-objs_a_template_gen
227 de$(EMPTY)fine $(1)-objs_a_template
228 $$(call src-to-obj,$1,$$(1).a): $$(1).a
229 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
230 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
235 # Add handler to add no rules for manual files
236 define generic-objs_manual_template_gen
240 #######################################################################
241 # Add handler to compile ACPI's ASL
242 # arg1: base file name
243 # arg2: y or n for including in cbfs. defaults to y
245 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
246 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
247 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
248 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
249 -include $(obj)/$(1).d
250 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
251 @printf " IASL $$(subst $(top)/,,$$(@))\n"
252 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$@
253 cd $$(dir $$@); $(IASL) -we -p $$(notdir $$@) $$(notdir $$@)
254 if [ -z "$$$$($(IASL) -d $$@ 2>&1 | grep 'ACPI Warning')" ]; then echo " IASL $$@ disassembled correctly."; true; else echo "Error: Could not correctly disassemble $$@"; $(IASL) -d $$@; false; fi
257 #######################################################################
258 # Parse plaintext cmos defaults into binary format
260 # arg2: binary file name
261 cbfs-files-processor-nvramtool= \
262 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
263 printf " CREATE $(2) (from $(1))\n"; \
264 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
267 #######################################################################
268 # Link VSA binary to ELF-ish stage
270 # arg2: binary file name
271 cbfs-files-processor-vsa= \
272 $(eval $(2): $(1) ; \
273 printf " CREATE $(2) (from $(1))\n"; \
274 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
275 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
277 #######################################################################
278 # Reduce a .config file to its minimal representation
281 cbfs-files-processor-defconfig= \
282 $(eval $(2): $(1) $(obj)/build.h; \
283 +printf " CREATE $(2) (from $(1))\n"; \
284 printf "\# This image was built using coreboot " > $(2).tmp && \
285 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
286 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
287 cat $(2).tmp2 >> $(2).tmp && \
289 \mv -f $(2).tmp $(2))
291 #######################################################################
292 # Compile a C file with a bare struct definition into binary
293 # arg1: C source file
295 cbfs-files-processor-struct= \
296 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
297 printf " CC+STRIP $(@)\n"; \
298 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
299 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
301 $(eval DEPENDENCIES += $(2).d)
303 #######################################################################
304 # Add handler for arbitrary files in CBFS
305 $(call add-special-class,cbfs-files)
306 cbfs-files-handler= \
307 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
308 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
309 $(eval tmp-cbfs-file:= ) \
311 $(if $(wildcard $(1)$($(2)-file)), \
312 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
313 $(eval tmp-cbfs-file:= $($(2)-file)))) \
314 $(if $(strip $($(2)-required)), \
315 $(if $(wildcard $(tmp-cbfs-file)),, \
316 $(info This build configuration requires $($(2)-required)) \
317 $(eval FAILBUILD:=1) \
319 $(if $(strip $($(2)-align)), \
320 $(if $(strip $($(2)-position)), \
321 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
322 $(eval FAILBUILD:=1) \
324 $(if $(tmp-cbfs-method), \
325 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
326 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
327 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
328 $(if $(tmp-cbfs-file), \
329 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
330 $(eval $(2)-name:=) \
331 $(eval $(2)-type:=) \
332 $(eval $(2)-compression:=) \
333 $(eval $(2)-position:=) \
334 $(eval $(2)-required:=) \
335 $(eval $(2)-options:=) \
338 #######################################################################
339 # a variety of flags for our build
340 CBFS_COMPRESS_FLAG:=none
341 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
342 CBFS_COMPRESS_FLAG:=LZMA
345 CBFS_PAYLOAD_COMPRESS_FLAG:=none
346 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
347 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
349 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
350 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
353 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
354 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
355 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
358 CBFS_PRERAM_COMPRESS_FLAG:=none
359 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
360 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
363 ifneq ($(CONFIG_LOCALVERSION),"")
364 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
365 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
368 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
369 CPPFLAGS_common += -Isrc/device/oprom/include
370 VBOOT_SOURCE ?= 3rdparty/vboot
371 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
372 CPPFLAGS_common += -include $(src)/include/kconfig.h
373 CPPFLAGS_common += -I3rdparty
375 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
376 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
377 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
378 CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time
379 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
380 CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
381 ifeq ($(CONFIG_COMPILER_GCC),y)
382 CFLAGS_common += -fno-delete-null-pointer-checks -fconserve-stack
385 ADAFLAGS_common += -gnatp
386 ADAFLAGS_common += -Wuninitialized -Wall -Werror
387 ADAFLAGS_common += -pipe -g -nostdinc
388 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
389 ADAFLAGS_common += -fno-common -fomit-frame-pointer
390 ADAFLAGS_common += -ffunction-sections -fdata-sections
391 # Ada warning options:
393 # a Activate most optional warnings.
394 # .e Activate every optional warnings.
395 # e Treat warnings and style checks as errors.
397 # D Suppress warnings on implicit dereferences:
398 # As SPARK does not accept access types we have to map the
399 # dynamically chosen register locations to a static SPARK
402 # .H Suppress warnings on holes/gaps in records:
403 # We are modelling hardware here!
405 # H Suppress warnings on hiding:
406 # It's too annoying, you run out of ideas for identifiers fast.
408 # T Suppress warnings for tracking of deleted conditional code:
409 # We use static options to select code paths at compile time.
411 # U Suppress warnings on unused entities:
412 # Would have lots of warnings for unused register definitions,
413 # `withs` for debugging etc.
415 # .U Deactivate warnings on unordered enumeration types:
416 # As SPARK doesn't support `pragma Ordered` by now, we don't
419 # .W Suppress warnings on unnecessary Warnings Off pragmas:
420 # Things get really messy when you use different compiler
421 # versions, otherwise.
422 # .Y Disable information messages for why package spec needs body:
423 # Those messages are annoying. But don't forget to enable those,
424 # if you need the information.
425 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
426 # Disable style checks for now
427 ADAFLAGS_common += -gnatyN
429 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
431 ifeq ($(CONFIG_COMPILER_GCC),y)
432 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
433 CFLAGS_common += -Wno-unused-but-set-variable
436 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
437 CFLAGS_common += -Werror
439 ifneq ($(GDB_DEBUG),)
441 ADAFLAGS_common += -Og
444 ADAFLAGS_common += -Os
447 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
448 ADAFLAGS_common += -gnata
451 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
452 $(objutil)/ifdfake $(objutil)/options $(objutil)/amdfwtool \
453 $(objutil)/cbootimage $(objutil)/bimgtool
455 export $(COREBOOT_EXPORTS)
457 #######################################################################
458 # generate build support files
459 $(obj)/build.h: .xcompile
460 @printf " GEN build.h\n"
462 util/genbuild_h/genbuild_h.sh > $(obj)/build.ht
463 mv $(obj)/build.ht $(obj)/build.h
466 mkdir -p $(objcbfs) $(objgenerated)
468 #######################################################################
470 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
471 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
472 RMODTOOL:=$(objutil)/cbfstool/rmodtool
473 IFWITOOL:=$(objutil)/cbfstool/ifwitool
475 $(obj)/cbfstool: $(CBFSTOOL)
478 $(obj)/fmaptool: $(FMAPTOOL)
481 $(obj)/rmodtool: $(RMODTOOL)
484 $(obj)/ifwitool: $(IFWITOOL)
487 _WINCHECK=$(shell uname -o 2> /dev/null)
489 ifeq ($(_WINCHECK),Msys)
490 STACK=-Wl,--stack,16384000
492 ifeq ($(_WINCHECK),Cygwin)
493 STACK=-Wl,--stack,16384000
496 # this allows ccache to prepend itself
497 # (ccache handling happens first)
498 ROMCC_BIN= $(objutil)/romcc/romcc
500 $(ROMCC_BIN): $(top)/util/romcc/romcc.c
501 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
502 @# Note: Adding -O2 here might cause problems. For details see:
503 @# https://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
504 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
506 BINCFG:=$(objutil)/bincfg/bincfg
508 IFDTOOL:=$(objutil)/ifdtool/ifdtool
510 @printf " Compile IFDTOOL\n"
511 +$(MAKE) -C $(top)/util/ifdtool
512 cp -a $(top)/util/ifdtool/ifdtool $@
514 IFDFAKE:=$(objutil)/ifdfake/ifdfake
515 $(IFDFAKE): $(top)/util/ifdfake/ifdfake.c
516 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
517 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
519 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
520 $(AMDFWTOOL): $(top)/util/amdfwtool/amdfwtool.c
521 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
522 $(HOSTCC) $(HOSTCFLAGS) -DCONFIG_ROM_SIZE=$(CONFIG_ROM_SIZE) -o $@ $<
524 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
526 FUTILITY?=$(objutil)/futility/futility
528 subdirs-y += util/nvidia
530 BIMGTOOL:=$(objutil)/bimgtool/bimgtool
531 $(BIMGTOOL): $(top)/util/bimgtool/bimgtool.c
532 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
533 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
535 $(obj)/config.h: $(objutil)/kconfig/conf
537 #######################################################################
538 # needed objects that every mainboard uses
539 # Creation of these is architecture and mainboard independent
540 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
541 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
543 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(objutil)/sconfig/sconfig
544 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
545 mkdir -p $(dir $(DEVICETREE_STATIC_C))
546 $(objutil)/sconfig/sconfig $(DEVICETREE_FILE) $(DEVICETREE_STATIC_C)
548 ramstage-y+=$(DEVICETREE_STATIC_C)
549 romstage-y+=$(DEVICETREE_STATIC_C)
550 verstage-y+=$(DEVICETREE_STATIC_C)
551 bootblock-y+=$(DEVICETREE_STATIC_C)
552 postcar-y+=$(DEVICETREE_STATIC_C)
553 smm-y+=$(DEVICETREE_STATIC_C)
555 #######################################################################
558 rm -rf coreboot-builds
560 clean-for-update-target: clean-payloads
561 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
562 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
563 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
564 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
565 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
566 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
567 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
568 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
571 rm -f $(obj)/coreboot*
573 #######################################################################
574 # Development utilities
577 @echo ldscripts=$(ldscripts)
580 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
583 util/gitconfig/gitconfig.sh "$(MAKE)"
585 include util/crossgcc/Makefile.inc
588 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)
590 ###########################################################################
591 # Common recipes for all stages
592 ###########################################################################
594 # loadaddr can determine the load address of a stage, which may be needed for
595 # platform-specific image headers (only works *after* the stage has been built)
596 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
597 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
599 # find-substr is required for stages like romstage_null and romstage_xip to
600 # eliminate the _* part of the string
601 find-substr = $(word 1,$(subst _, ,$(1)))
603 # find-class is used to identify the class from the name of the stage
604 # The input to this macro can be something like romstage.x or romstage.x.y
605 # find-class recursively strips off the suffixes to extract the exact class name
606 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
607 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
608 # and remove .x the next time and finally return romstage
609 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
611 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
612 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
613 # include the bss section in the binary so the BootROM clears the bss on
614 # loading of the bootblock stage. Achieve this by marking the bss section
615 # loadable,allocatable, and data. Do the same for the .data section in case
616 # it's marked as NOBITS.
617 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.elf
618 @printf " OBJCOPY $(notdir $(@))\n"
619 $(OBJCOPY_bootblock) --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data $< $<.tmp
620 $(OBJCOPY_bootblock) -O binary $<.tmp $@
622 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
625 $(objcbfs)/%.elf: $(objcbfs)/%.debug
626 $(eval class := $(call find-class,$(@F)))
627 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
629 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
630 $(OBJCOPY_$(class)) --strip-debug $@.tmp
631 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
634 ###########################################################################
635 # Build the final rom image
636 ###########################################################################
638 # extract_nth - Return a subsection of the $file string
640 # the input string looks like this:
641 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
644 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
645 # 2 - Name of file in cbfs [$(FILENAME)-file]
646 # 3 - File type: [$(FILENAME)-type]
647 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
648 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
649 # mma, efi, deleted, null
650 # 4 - Compression type [$(FILENAME)-compression]
652 # 5 - Base address [$(FILANAME)-position]
653 # 6 - Alignment [$(FILENAME)-align]
654 # 7 - cbfstool flags [$(FILENAME)-options]
657 # $(1) = Section to extract
658 # $(2) = Input string
661 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
662 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
663 # 3) remove the leading and trailing '-' characters
664 # 4) replace all '*' characters with spaces
665 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
667 # regions-for-file - Returns a cbfstool regions parameter
668 # $(call regions-for-file,$(filename))
669 # returns "REGION1,REGION2,..."
671 # This is the default implementation. When using a boot strategy employing
672 # multiple CBFSes in fmap regions, override it.
673 regions-for-file ?= COREBOOT
675 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
676 cbfs-autogen-attributes=-g
679 # cbfs-add-cmd-for-region
680 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
681 define cbfs-add-cmd-for-region
683 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
684 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
685 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
686 -f $(call extract_nth,1,$(1)) \
687 -n $(call extract_nth,2,$(1)) \
688 $(if $(filter-out flat-binary,$(filter-out stage,$(call \
689 extract_nth,3,$(1)))),-t $(call extract_nth,3,$(1))) \
690 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
691 $(cbfs-autogen-attributes) \
693 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
694 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
695 $(call extract_nth,7,$(1))
699 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
703 # $(call cbfs-add-cmd,
704 # file in extract_nth format,
706 # non-empty if file removal requested)
708 printf " CBFS $(call extract_nth,2,$(1))\n"
709 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
710 $(call cbfs-add-cmd-for-region,$(1),$(2))
713 # list of files to add (using their file system names, not CBFS names),
714 # for dependencies etc.
715 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
718 # returns full list of fmap regions that we add files to
719 all-regions = $(sort $(subst $(comma),$(spc), \
720 $(foreach file,$(cbfs-files), \
721 $(call regions-for-file,$(call extract_nth,2,$(file))))))
723 # $(call all-files-in-region,region name)
724 # returns elements in $(cbfs-files) that end up in that region, in the order
725 # they appear in $(cbfs-files)
726 all-files-in-region = $(foreach file,$(cbfs-files), \
727 $(if $(filter $(1), \
728 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
731 # $(call update-file-for-region,file string from $(cbfs-files),region name)
732 # Update position and alignment according to overrides for region
733 # Doesn't check for invalid configurations (eg. resetting neither or both
734 # position and align)
735 # Returns the updated file string
736 update-file-for-region = \
737 $(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)))
739 # $(call placed-files-in-region,region name)
740 # like all-files-in-region, but updates the files to contain region overrides
741 # to position or alignment.
742 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
743 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
744 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
745 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
746 $(call update-file-for-region,$(file),$(1)), \
747 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
748 $(call update-file-for-region,$(file),$(1)), \
751 # $(call sort-files,subset of $(cbfs-files))
752 # reorders the files in the given set to list files at fixed positions first,
753 # followed by aligned files and finally those with no constraints.
755 $(eval _tmp_fixed:=) \
756 $(eval _tmp_aligned:=) \
757 $(eval _tmp_regular:=) \
758 $(foreach file,$(1), \
759 $(if $(call extract_nth,5,$(file)),\
760 $(eval _tmp_fixed += $(file)), \
761 $(if $(call extract_nth,6,$(file)), \
762 $(eval _tmp_aligned += $(file)), \
763 $(eval _tmp_regular += $(file))))) \
764 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
766 # command list to add files to CBFS
767 prebuild-files = $(foreach region,$(all-regions), \
769 $(call sort-files,$(call placed-files-in-region,$(region))), \
770 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
772 ifeq ($(CONFIG_FMDFILE),)
773 # For a description of the flash layout described by these variables, check
774 # the $(DEFAULT_FLASHMAP) .fmd files.
775 ifeq ($(CONFIG_ARCH_X86),y)
776 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
778 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
779 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
780 # entire "BIOS" region (everything directly of concern to the host system)
781 # relative to ROM_BASE
782 FMAP_BIOS_BASE := $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE))
783 FMAP_BIOS_SIZE := $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f)
784 # position and size of flashmap, relative to BIOS_BASE
786 FMAP_FMAP_SIZE := 0x200
789 # X86 CONSOLE FMAP region
791 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
792 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
793 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
794 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
795 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
796 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
797 FMAP_CONSOLE_BASE := 0
798 FMAP_CONSOLE_SIZE := 0
799 FMAP_CONSOLE_ENTRY :=
800 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
803 # X86 RW_MRC_CACHE FMAP region
805 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
806 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
807 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
808 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
809 $(FMAP_CONSOLE_SIZE)), 0x10000)
811 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
812 $(FMAP_FMAP_SIZE)), 0x10000)
814 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
815 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
816 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
817 FMAP_MRC_CACHE_BASE := 0
818 FMAP_MRC_CACHE_SIZE := 0
819 FMAP_MRC_CACHE_ENTRY :=
820 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
823 # X86 COREBOOT default cbfs FMAP region
825 # position and size of CBFS, relative to BIOS_BASE
826 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
827 FMAP_CBFS_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
829 FMAP_CBFS_BASE := $(call int-add, $(FMAP_CONSOLE_SIZE) $(FMAP_FMAP_SIZE))
831 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
832 else # ifeq ($(CONFIG_ARCH_X86),y)
833 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
836 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
837 # entire "BIOS" region (everything directly of concern to the host system)
838 # relative to ROM_BASE
840 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
841 # position and size of flashmap, relative to BIOS_BASE
842 FMAP_FMAP_BASE := 0x20000
843 FMAP_FMAP_SIZE := 0x100
846 # NON-X86 CONSOLE FMAP region
848 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
849 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
850 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
851 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
852 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
853 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
854 FMAP_CONSOLE_BASE := 0
855 FMAP_CONSOLE_SIZE := 0
856 FMAP_CONSOLE_ENTRY :=
857 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
860 # NON-X86 RW_MRC_CACHE FMAP region
862 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
863 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
864 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
865 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
866 $(FMAP_CONSOLE_SIZE)), 0x10000)
868 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
869 $(FMAP_FMAP_SIZE)), 0x10000)
871 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
872 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
873 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
874 FMAP_MRC_CACHE_BASE := 0
875 FMAP_MRC_CACHE_SIZE := 0
876 FMAP_MRC_CACHE_ENTRY :=
877 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
880 # NON-X86 COREBOOT default cbfs FMAP region
882 # position and size of CBFS, relative to BIOS_BASE
883 FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE) \
884 $(FMAP_MRC_CACHE_SIZE))
885 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
886 endif # ifeq ($(CONFIG_ARCH_X86),y)
888 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
889 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
890 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
891 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
892 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
893 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
894 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
895 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
896 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
897 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
898 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
899 $(DEFAULT_FLASHMAP) > $@.tmp
901 else # ifeq ($(CONFIG_FMDFILE),)
902 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
903 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
905 endif # ifeq ($(CONFIG_FMDFILE),)
907 # generated at the same time as fmap.fmap
908 $(obj)/fmap_config.h: $(obj)/fmap.fmap
909 $(obj)/fmap.desc: $(obj)/fmap.fmap
911 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
912 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
913 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
915 ifneq ($(CONFIG_UPDATE_IMAGE),y)
916 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
917 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
918 ifeq ($(CONFIG_ARCH_X86),y)
919 $(CBFSTOOL) $@.tmp add \
920 -f $(objcbfs)/bootblock.bin \
923 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes)
924 else # ifeq ($(CONFIG_ARCH_X86),y)
925 $(CBFSTOOL) $@.tmp write -u \
927 -f $(objcbfs)/bootblock.bin
928 # make space for the CBFS master header pointer. "ptr_" is just
929 # arbitrary 4 bytes that will be overwritten by add-master-header.
930 printf "ptr_" > $@.tmp.2
931 $(CBFSTOOL) $@.tmp add \
933 -n "header pointer" \
937 endif # ifeq ($(CONFIG_ARCH_X86),y)
938 $(CBFSTOOL) $@.tmp add-master-header
939 $(prebuild-files) true
941 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
942 .PHONY: $(obj)/coreboot.pre
943 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
944 mv $(obj)/coreboot.rom $@.tmp || \
945 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
948 $(prebuild-files) true
950 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
952 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
953 REFCODE_BLOB=$(obj)/refcode.rmod
954 $(REFCODE_BLOB): $(RMODTOOL)
955 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
958 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/ramstage.elf $(CBFSTOOL) $$(INTERMEDIATE)
959 @printf " CBFS $(subst $(obj)/,,$(@))\n"
960 # The full ROM may be larger than the CBFS part, so create an empty
961 # file (filled with \377 = 0xff) and copy the CBFS image over it.
962 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
963 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
964 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
965 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
966 ifneq ($(CONFIG_UPDATE_IMAGE),y)
967 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
968 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
972 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
973 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
974 @printf " UPDATE-FIT\n"
975 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
978 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_GENERATE),y)
979 @printf " UPDATE-FIT\n"
980 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
984 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
985 $(CBFSTOOL) $@ layout
986 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
987 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
989 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
990 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
991 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
992 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
993 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
994 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
996 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
997 # Use a 64 byte alignment to provide a minimum alignment
998 # requirement for the overall romstage. While the first object within
999 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1000 # won't decide the entire section should be aligned to a larger value. In the
1001 # future cbfstool should add XIP files proper and honor the alignment
1002 # requirements of the program segment.
1004 # Make sure that segment for .car.data is ignored while adding romstage.
1005 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1006 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1008 # If CAR does not support execution of code, romstage on x86 is expected to be
1010 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1011 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1013 # If XIP_ROM_SIZE isn't being used don't overly constrain romstage by passing
1014 # -P with a default value.
1015 ifneq ($(CONFIG_NO_FIXED_XIP_ROM_SIZE),y)
1016 $(CONFIG_CBFS_PREFIX)/romstage-options += -P $(CONFIG_XIP_ROM_SIZE)
1017 endif # CONFIG_NO_FIXED_XIP_ROM_SIZE
1019 endif # CONFIG_NO_XIP_EARLY_STAGES
1020 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1022 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/ramstage
1023 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(objcbfs)/ramstage.elf
1024 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1025 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1027 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1028 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1029 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1030 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1032 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1033 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1034 vgaroms/seavgabios.bin-type := raw
1036 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1037 config-file := $(DOTCONFIG):defconfig
1040 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1041 revision-file := $(obj)/build.h
1042 revision-type := raw
1044 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1045 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1046 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1047 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1049 # Ensure that no payload segment overlaps with memory regions used by ramstage
1050 # (not for x86 since it can relocate itself in that case)
1051 ifneq ($(CONFIG_ARCH_X86),y)
1052 check-ramstage-overlap-regions := ramstage
1053 check-ramstage-overlap-files :=
1054 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1055 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1058 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1059 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1060 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1062 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1063 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1065 check-ramstage-overlaps: $(obj)/coreboot.pre
1066 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1067 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1068 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1070 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1071 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1073 for x in $$programs; do \
1074 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1075 pend=$$(($$pstart + $$x)) ; \
1076 rname= ; rstart= ; rend= ; \
1077 for y in $$regions ; do \
1078 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1079 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1081 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1082 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1083 $(check-ramstage-overlap-files) ; \
1086 rname= ; rstart= ; rend= ; \
1091 INTERMEDIATE+=check-ramstage-overlaps
1092 PHONY+=check-ramstage-overlaps