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 '$1' | tr ' \t' '_')
154 #######################################################################
155 # Helper functions for ramstage postprocess
160 # Returns all files and dirs below `dir` (recursively).
161 # files-below-dir,dir,files
162 files-below-dir=$(filter $(1)%,$(2))
164 # Returns all dirs below `dir` (recursively).
165 # dirs-below-dir,dir,files
166 dirs-below-dir=$(filter-out $(1),$(sort $(dir $(call files-below-dir,$(1),$(2)))))
168 # Returns all files directly in `dir` (non-recursively).
169 # files-in-dir,dir,files
170 files-in-dir=$(filter-out $(addsuffix %,$(call dirs-below-dir,$(1),$(2))),$(call files-below-dir,$(1),$(2)))
172 #######################################################################
173 # reduce command line length by linking the objects of each
174 # directory into an intermediate file
175 ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
176 $(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
177 $(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
178 $(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
180 decompressor-generic-ccopts += -D__PRE_RAM__ -D__DECOMPRESSOR__
181 bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
182 romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
183 ramstage-generic-ccopts += -D__RAMSTAGE__
184 ifeq ($(CONFIG_TRACE),y)
185 ramstage-c-ccopts += -finstrument-functions
187 ifeq ($(CONFIG_COVERAGE),y)
188 ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
191 ifneq ($(UPDATED_SUBMODULES),1)
192 # try to fetch non-optional submodules if the source is under git
193 forgetthis:=$(if $(GIT),$(shell git submodule update --init))
194 ifeq ($(CONFIG_USE_BLOBS),y)
195 # this is necessary because 3rdparty/blobs is update=none, and so is ignored
196 # unless explicitly requested and enabled through --checkout
197 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
199 UPDATED_SUBMODULES:=1
200 COREBOOT_EXPORTS += UPDATED_SUBMODULES
203 postcar-c-deps:=$$(OPTION_TABLE_H)
204 ramstage-c-deps:=$$(OPTION_TABLE_H)
205 romstage-c-deps:=$$(OPTION_TABLE_H)
206 verstage-c-deps:=$$(OPTION_TABLE_H)
207 bootblock-c-deps:=$$(OPTION_TABLE_H)
208 $(foreach type,ads adb, \
209 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
210 $(eval $(stage)-$(type)-deps := $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
212 # Add handler to copy linker scripts
213 define generic-objs_ld_template_gen
214 de$(EMPTY)fine $(1)-objs_ld_template
215 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
216 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
217 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
221 # Add handler to deal with archives
222 define generic-objs_a_template_gen
223 de$(EMPTY)fine $(1)-objs_a_template
224 $$(call src-to-obj,$1,$$(1).a): $$(1).a
225 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
226 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
231 # Add handler to add no rules for manual files
232 define generic-objs_manual_template_gen
236 #######################################################################
237 # Add handler to compile ACPI's ASL
238 # arg1: base file name
239 # arg2: y or n for including in cbfs. defaults to y
241 # Empty resource templates were marked as a warning in IASL with the comment
242 # "This would appear to be worthless in real-world ASL code.", which is
243 # possibly true in many cases. In other cases it seems that an empty
244 # ResourceTemplate is the correct code.
245 # As it's valid ASL, disable the warning.
246 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
247 IGNORED_IASL_WARNINGS = -vw $(EMPTY_RESOURCE_TEMPLATE_WARNING)
250 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
251 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
252 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
253 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
254 -include $(obj)/$(1).d
255 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
256 @printf " IASL $$(subst $(top)/,,$$(@))\n"
257 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$@
258 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $$(notdir $$@)
259 if [ -z "$$$$($(IASL) -d $$@ 2>&1 | grep 'ACPI Warning')" ]; then echo " IASL $$@ disassembled correctly."; true; else echo "Error: Could not correctly disassemble $$@"; $(IASL) -d $$@; false; fi
262 #######################################################################
263 # Parse plaintext cmos defaults into binary format
265 # arg2: binary file name
266 cbfs-files-processor-nvramtool= \
267 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
268 printf " CREATE $(2) (from $(1))\n"; \
269 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
272 #######################################################################
273 # Link VSA binary to ELF-ish stage
275 # arg2: binary file name
276 cbfs-files-processor-vsa= \
277 $(eval $(2): $(1) ; \
278 printf " CREATE $(2) (from $(1))\n"; \
279 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
280 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
282 #######################################################################
283 # Reduce a .config file to its minimal representation
286 cbfs-files-processor-defconfig= \
287 $(eval $(2): $(1) $(obj)/build.h; \
288 +printf " CREATE $(2) (from $(1))\n"; \
289 printf "\# This image was built using coreboot " > $(2).tmp && \
290 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
291 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
292 cat $(2).tmp2 >> $(2).tmp && \
294 \mv -f $(2).tmp $(2))
296 #######################################################################
297 # Compile a C file with a bare struct definition into binary
298 # arg1: C source file
300 cbfs-files-processor-struct= \
301 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
302 printf " CC+STRIP $(@)\n"; \
303 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
304 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
306 $(eval DEPENDENCIES += $(2).d)
308 #######################################################################
309 # Add handler for arbitrary files in CBFS
310 $(call add-special-class,cbfs-files)
311 cbfs-files-handler= \
312 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
313 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
314 $(eval tmp-cbfs-file:= ) \
316 $(if $(wildcard $(1)$($(2)-file)), \
317 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
318 $(eval tmp-cbfs-file:= $($(2)-file)))) \
319 $(if $(strip $($(2)-required)), \
320 $(if $(wildcard $(tmp-cbfs-file)),, \
321 $(info This build configuration requires $($(2)-required)) \
322 $(eval FAILBUILD:=1) \
324 $(if $(strip $($(2)-align)), \
325 $(if $(strip $($(2)-position)), \
326 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
327 $(eval FAILBUILD:=1) \
329 $(if $(tmp-cbfs-method), \
330 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
331 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
332 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
333 $(if $(tmp-cbfs-file), \
334 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
335 $(eval $(2)-name:=) \
336 $(eval $(2)-type:=) \
337 $(eval $(2)-compression:=) \
338 $(eval $(2)-position:=) \
339 $(eval $(2)-required:=) \
340 $(eval $(2)-options:=) \
343 #######################################################################
344 # a variety of flags for our build
345 CBFS_COMPRESS_FLAG:=none
346 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
347 CBFS_COMPRESS_FLAG:=LZMA
350 CBFS_PAYLOAD_COMPRESS_FLAG:=none
351 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
352 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
354 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
355 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
358 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
359 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
360 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
363 CBFS_PRERAM_COMPRESS_FLAG:=none
364 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
365 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
368 ifneq ($(CONFIG_LOCALVERSION),"")
369 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
370 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
373 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
374 CPPFLAGS_common += -Isrc/device/oprom/include
375 VBOOT_SOURCE ?= 3rdparty/vboot
376 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
377 CPPFLAGS_common += -include $(src)/include/kconfig.h
378 CPPFLAGS_common += -I3rdparty
379 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
381 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
382 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
383 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
384 CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time
385 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
386 CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
387 ifeq ($(CONFIG_COMPILER_GCC),y)
388 CFLAGS_common += -fno-delete-null-pointer-checks
389 # Don't add these GCC specific flags when running scan-build
390 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
391 CFLAGS_common += -Wno-packed-not-aligned
392 CFLAGS_common += -fconserve-stack
393 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
394 CFLAGS_common += -Wno-unused-but-set-variable
398 ADAFLAGS_common += -gnatp
399 ADAFLAGS_common += -Wuninitialized -Wall -Werror
400 ADAFLAGS_common += -pipe -g -nostdinc
401 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
402 ADAFLAGS_common += -fno-common -fomit-frame-pointer
403 ADAFLAGS_common += -ffunction-sections -fdata-sections
404 # Ada warning options:
406 # a Activate most optional warnings.
407 # .e Activate every optional warnings.
408 # e Treat warnings and style checks as errors.
410 # D Suppress warnings on implicit dereferences:
411 # As SPARK does not accept access types we have to map the
412 # dynamically chosen register locations to a static SPARK
415 # .H Suppress warnings on holes/gaps in records:
416 # We are modelling hardware here!
418 # H Suppress warnings on hiding:
419 # It's too annoying, you run out of ideas for identifiers fast.
421 # T Suppress warnings for tracking of deleted conditional code:
422 # We use static options to select code paths at compile time.
424 # U Suppress warnings on unused entities:
425 # Would have lots of warnings for unused register definitions,
426 # `withs` for debugging etc.
428 # .U Deactivate warnings on unordered enumeration types:
429 # As SPARK doesn't support `pragma Ordered` by now, we don't
432 # .W Suppress warnings on unnecessary Warnings Off pragmas:
433 # Things get really messy when you use different compiler
434 # versions, otherwise.
435 # .Y Disable information messages for why package spec needs body:
436 # Those messages are annoying. But don't forget to enable those,
437 # if you need the information.
438 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
439 # Disable style checks for now
440 ADAFLAGS_common += -gnatyN
442 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
444 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
445 CFLAGS_common += -Werror
447 ifneq ($(GDB_DEBUG),)
449 ADAFLAGS_common += -Og
452 ADAFLAGS_common += -Os
455 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
456 ADAFLAGS_common += -gnata
459 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
460 $(objutil)/ifdfake $(objutil)/options $(objutil)/amdfwtool \
461 $(objutil)/cbootimage $(objutil)/bimgtool
463 export $(COREBOOT_EXPORTS)
465 #######################################################################
466 # generate build support files
468 build_h := $(obj)/build.h
470 # We have to manually export variables that `genbuild_h.sh` uses
471 # when we call it through the `$(shell)` function. This is fragile
472 # but as variables newly added to `genbuild_h.sh` would just not
473 # work, we'd notice that instantly at least.
474 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
476 # Report new `build.ht` as dependency if `build.h` differs.
478 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
479 util/genbuild_h/genbuild_h.sh >$(build_h)t 2>/dev/null; \
480 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
482 $(build_h): $$(shell $$(build_h_check))
483 @printf " GEN build.h\n"
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 install-git-commit-clangfmt:
614 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
616 include util/crossgcc/Makefile.inc
619 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)
621 ###########################################################################
622 # Common recipes for all stages
623 ###########################################################################
625 # loadaddr can determine the load address of a stage, which may be needed for
626 # platform-specific image headers (only works *after* the stage has been built)
627 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
628 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
630 # find-substr is required for stages like romstage_null and romstage_xip to
631 # eliminate the _* part of the string
632 find-substr = $(word 1,$(subst _, ,$(1)))
634 # find-class is used to identify the class from the name of the stage
635 # The input to this macro can be something like romstage.x or romstage.x.y
636 # find-class recursively strips off the suffixes to extract the exact class name
637 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
638 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
639 # and remove .x the next time and finally return romstage
640 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
642 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
643 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
644 # include the bss section in the binary so the BootROM clears the bss on
645 # loading of the bootblock stage. Achieve this by marking the bss section
646 # loadable,allocatable, and data. Do the same for the .data section in case
647 # the linker marked it NOBITS automatically because there are only zeroes in it.
648 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
650 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
652 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
653 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
654 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
655 $(OBJCOPY_bootblock) -O binary $@.tmp
656 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
660 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
661 # Makefiles wrapping the bootblock in a header can always key off the same file.
662 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
663 @printf " OBJCOPY $(notdir $(@))\n"
664 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
666 else # CONFIG_COMPRESS_BOOTBLOCK
668 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
669 @printf " OBJCOPY $(notdir $(@))\n"
670 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
672 endif # CONFIG_COMPRESS_BOOTBLOCK
674 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
675 @printf " OBJCOPY $(notdir $(@))\n"
676 $(OBJCOPY_bootblock) -O binary $< $@
678 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
681 $(objcbfs)/%.elf: $(objcbfs)/%.debug
682 $(eval class := $(call find-class,$(@F)))
683 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
685 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
686 $(OBJCOPY_$(class)) --strip-debug $@.tmp
687 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
691 ###########################################################################
692 # Build the final rom image
693 ###########################################################################
695 # extract_nth - Return a subsection of the $file string
697 # the input string looks like this:
698 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
701 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
702 # 2 - Name of file in cbfs [$(FILENAME)-file]
703 # 3 - File type: [$(FILENAME)-type]
704 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
705 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
706 # mma, efi, deleted, null
707 # 4 - Compression type [$(FILENAME)-compression]
709 # 5 - Base address [$(FILANAME)-position]
710 # 6 - Alignment [$(FILENAME)-align]
711 # 7 - cbfstool flags [$(FILENAME)-options]
714 # $(1) = Section to extract
715 # $(2) = Input string
718 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
719 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
720 # 3) remove the leading and trailing '-' characters
721 # 4) replace all '*' characters with spaces
722 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
724 # regions-for-file - Returns a cbfstool regions parameter
725 # $(call regions-for-file,$(filename))
726 # returns "REGION1,REGION2,..."
728 # This is the default implementation. When using a boot strategy employing
729 # multiple CBFSes in fmap regions, override it.
730 regions-for-file ?= COREBOOT
732 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
733 cbfs-autogen-attributes=-g
736 # cbfs-add-cmd-for-region
737 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
738 define cbfs-add-cmd-for-region
740 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
741 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
742 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
743 -f $(call extract_nth,1,$(1)) \
744 -n $(call extract_nth,2,$(1)) \
745 $(if $(filter-out flat-binary payload stage,$(call \
746 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
747 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
748 $(cbfs-autogen-attributes) \
750 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
751 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
752 $(call extract_nth,7,$(1))
756 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
760 # $(call cbfs-add-cmd,
761 # file in extract_nth format,
763 # non-empty if file removal requested)
765 printf " CBFS $(call extract_nth,2,$(1))\n"
766 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
767 $(call cbfs-add-cmd-for-region,$(1),$(2))
770 # list of files to add (using their file system names, not CBFS names),
771 # for dependencies etc.
772 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
775 # returns full list of fmap regions that we add files to
776 all-regions = $(sort $(subst $(comma),$(spc), \
777 $(foreach file,$(cbfs-files), \
778 $(call regions-for-file,$(call extract_nth,2,$(file))))))
780 # $(call all-files-in-region,region name)
781 # returns elements in $(cbfs-files) that end up in that region, in the order
782 # they appear in $(cbfs-files)
783 all-files-in-region = $(foreach file,$(cbfs-files), \
784 $(if $(filter $(1), \
785 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
788 # $(call update-file-for-region,file string from $(cbfs-files),region name)
789 # Update position and alignment according to overrides for region
790 # Doesn't check for invalid configurations (eg. resetting neither or both
791 # position and align)
792 # Returns the updated file string
793 update-file-for-region = \
794 $(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)))
796 # $(call placed-files-in-region,region name)
797 # like all-files-in-region, but updates the files to contain region overrides
798 # to position or alignment.
799 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
800 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
801 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
802 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
803 $(call update-file-for-region,$(file),$(1)), \
804 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
805 $(call update-file-for-region,$(file),$(1)), \
808 # $(call sort-files,subset of $(cbfs-files))
809 # reorders the files in the given set to list files at fixed positions first,
810 # followed by aligned files and finally those with no constraints.
812 $(eval _tmp_fixed:=) \
813 $(eval _tmp_aligned:=) \
814 $(eval _tmp_regular:=) \
815 $(foreach file,$(1), \
816 $(if $(call extract_nth,5,$(file)),\
817 $(eval _tmp_fixed += $(file)), \
818 $(if $(call extract_nth,6,$(file)), \
819 $(eval _tmp_aligned += $(file)), \
820 $(eval _tmp_regular += $(file))))) \
821 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
823 # command list to add files to CBFS
824 prebuild-files = $(foreach region,$(all-regions), \
826 $(call sort-files,$(call placed-files-in-region,$(region))), \
827 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
829 ifeq ($(CONFIG_FMDFILE),)
830 # For a description of the flash layout described by these variables, check
831 # the $(DEFAULT_FLASHMAP) .fmd files.
832 ifeq ($(CONFIG_ARCH_X86),y)
833 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
835 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
836 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
837 # entire "BIOS" region (everything directly of concern to the host system)
838 # relative to ROM_BASE
839 FMAP_BIOS_BASE := $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE))
840 FMAP_BIOS_SIZE := $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f)
841 # position and size of flashmap, relative to BIOS_BASE
843 FMAP_FMAP_SIZE := 0x200
846 # 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 # 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 # X86 COREBOOT default cbfs FMAP region
882 # position and size of CBFS, relative to BIOS_BASE
883 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
884 FMAP_CBFS_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
886 FMAP_CBFS_BASE := $(call int-add, $(FMAP_CONSOLE_SIZE) $(FMAP_FMAP_SIZE))
888 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
889 else # ifeq ($(CONFIG_ARCH_X86),y)
890 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
893 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
894 # entire "BIOS" region (everything directly of concern to the host system)
895 # relative to ROM_BASE
897 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
898 # position and size of flashmap, relative to BIOS_BASE
899 FMAP_FMAP_BASE := 0x20000
900 FMAP_FMAP_SIZE := 0x100
903 # NON-X86 CONSOLE FMAP region
905 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
906 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
907 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
908 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
909 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
910 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
911 FMAP_CONSOLE_BASE := 0
912 FMAP_CONSOLE_SIZE := 0
913 FMAP_CONSOLE_ENTRY :=
914 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
917 # NON-X86 RW_MRC_CACHE FMAP region
919 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
920 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
921 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
922 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
923 $(FMAP_CONSOLE_SIZE)), 0x10000)
925 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
926 $(FMAP_FMAP_SIZE)), 0x10000)
928 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
929 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
930 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
931 FMAP_MRC_CACHE_BASE := 0
932 FMAP_MRC_CACHE_SIZE := 0
933 FMAP_MRC_CACHE_ENTRY :=
934 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
937 # NON-X86 COREBOOT default cbfs FMAP region
939 # position and size of CBFS, relative to BIOS_BASE
940 FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE) \
941 $(FMAP_MRC_CACHE_SIZE))
942 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
943 endif # ifeq ($(CONFIG_ARCH_X86),y)
945 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
946 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
947 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
948 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
949 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
950 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
951 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
952 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
953 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
954 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
955 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
956 $(DEFAULT_FLASHMAP) > $@.tmp
958 else # ifeq ($(CONFIG_FMDFILE),)
959 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
960 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
962 endif # ifeq ($(CONFIG_FMDFILE),)
964 # generated at the same time as fmap.fmap
965 $(obj)/fmap_config.h: $(obj)/fmap.fmap
966 $(obj)/fmap.desc: $(obj)/fmap.fmap
968 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
969 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
970 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
972 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
973 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
974 FIT_OPTIONS := $(TS_OPTIONS)
976 ifneq ($(CONFIG_UPDATE_IMAGE),y)
977 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
978 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
979 ifeq ($(CONFIG_ARCH_X86),y)
980 $(CBFSTOOL) $@.tmp add \
981 -f $(objcbfs)/bootblock.bin \
984 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes) \
986 else # ifeq ($(CONFIG_ARCH_X86),y)
987 $(CBFSTOOL) $@.tmp write -u \
989 -f $(objcbfs)/bootblock.bin
990 # make space for the CBFS master header pointer. "ptr_" is just
991 # arbitrary 4 bytes that will be overwritten by add-master-header.
992 printf "ptr_" > $@.tmp.2
993 $(CBFSTOOL) $@.tmp add \
995 -n "header pointer" \
999 endif # ifeq ($(CONFIG_ARCH_X86),y)
1000 $(CBFSTOOL) $@.tmp add-master-header $(TS_OPTIONS)
1001 $(prebuild-files) true
1003 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1004 .PHONY: $(obj)/coreboot.pre
1005 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1006 mv $(obj)/coreboot.rom $@.tmp || \
1007 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1008 echo "Exiting." && \
1010 $(prebuild-files) true
1012 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1014 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1015 REFCODE_BLOB=$(obj)/refcode.rmod
1016 $(REFCODE_BLOB): $(RMODTOOL)
1017 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1020 FIT_ENTRY=$(call strip_quotes, $(CONFIG_INTEL_TOP_SWAP_FIT_ENTRY_FMAP_REG))
1021 ifneq ($(FIT_ENTRY),)
1022 FIT_OPTIONS += -q $(FIT_ENTRY)
1025 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/ramstage.elf $(CBFSTOOL) $$(INTERMEDIATE)
1026 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1027 # The full ROM may be larger than the CBFS part, so create an empty
1028 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1029 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1030 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1031 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
1032 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
1033 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1034 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
1035 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
1039 ifeq ($(CONFIG_SEABIOS_ADD_SERCON_PORT_FILE),y)
1040 @printf " SeaBIOS Add sercon-port file\n"
1041 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_SERCON_PORT_ADDR) -n etc/sercon-port
1043 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1044 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1045 @printf " UPDATE-FIT\n"
1046 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1050 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_GENERATE),y)
1051 @printf " UPDATE-FIT\n"
1052 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1057 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1058 $(CBFSTOOL) $@ layout
1059 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1060 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1062 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1063 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1064 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1065 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1066 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1067 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1069 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1070 # Use a 64 byte alignment to provide a minimum alignment
1071 # requirement for the overall romstage. While the first object within
1072 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1073 # won't decide the entire section should be aligned to a larger value. In the
1074 # future cbfstool should add XIP files proper and honor the alignment
1075 # requirements of the program segment.
1077 # Make sure that segment for .car.data is ignored while adding romstage.
1078 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1079 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1081 # If CAR does not support execution of code, romstage on x86 is expected to be
1083 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1084 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1086 # If XIP_ROM_SIZE isn't being used don't overly constrain romstage by passing
1087 # -P with a default value.
1088 ifneq ($(CONFIG_NO_FIXED_XIP_ROM_SIZE),y)
1089 $(CONFIG_CBFS_PREFIX)/romstage-options += -P $(CONFIG_XIP_ROM_SIZE)
1090 endif # CONFIG_NO_FIXED_XIP_ROM_SIZE
1092 endif # CONFIG_NO_XIP_EARLY_STAGES
1093 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1095 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/ramstage
1096 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(objcbfs)/ramstage.elf
1097 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1098 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1100 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1101 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1102 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1103 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1105 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1106 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1107 vgaroms/seavgabios.bin-type := raw
1109 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1110 config-file := $(DOTCONFIG):defconfig
1113 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1114 revision-file := $(obj)/build.h
1115 revision-type := raw
1117 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1118 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1119 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1120 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1122 # Ensure that no payload segment overlaps with memory regions used by ramstage
1123 # (not for x86 since it can relocate itself in that case)
1124 ifneq ($(CONFIG_ARCH_X86),y)
1125 check-ramstage-overlap-regions := ramstage
1126 check-ramstage-overlap-files :=
1127 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1128 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1131 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1132 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1133 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1135 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1136 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1138 check-ramstage-overlaps: $(obj)/coreboot.pre
1139 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1140 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1141 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1143 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1144 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1146 for x in $$programs; do \
1147 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1148 pend=$$(($$pstart + $$x)) ; \
1149 rname= ; rstart= ; rend= ; \
1150 for y in $$regions ; do \
1151 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1152 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1154 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1155 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1156 $(check-ramstage-overlap-files) ; \
1159 rname= ; rstart= ; rend= ; \
1164 INTERMEDIATE+=check-ramstage-overlaps
1165 PHONY+=check-ramstage-overlaps