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 check-style build-dirs build_complete
88 #######################################################################
89 # root source directories of coreboot
90 subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi
91 subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
92 subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
93 subdirs-y += src/superio
94 subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*)
95 subdirs-y += src/cpu src/vendorcode
96 subdirs-y += util/cbfstool util/sconfig util/nvramtool
97 subdirs-y += util/futility util/marvell util/bincfg
98 subdirs-y += $(wildcard src/arch/*)
99 subdirs-y += src/mainboard/$(MAINBOARDDIR)
100 subdirs-y += src/security
101 subdirs-y += payloads payloads/external
103 subdirs-y += site-local
104 subdirs-y += util/checklist util/testing
106 #######################################################################
107 # Add source classes and their build options
108 classes-y := ramstage romstage bootblock decompressor postcar smm smmstub cpu_microcode verstage
110 # Add dynamic classes for rmodules
111 $(foreach supported_arch,$(ARCH_SUPPORTED), \
112 $(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
113 # Provide a macro to determine environment for free standing rmodules.
114 $(foreach supported_arch,$(ARCH_SUPPORTED), \
115 $(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
117 #######################################################################
118 # Helper functions for math, strings, and various file placement matters.
119 # macros work on all formats understood by printf(1)
120 # values are space separated if using more than one value
122 # int-add: adds an arbitrary length list of integers
123 # int-subtract: subtracts the second of two integers from the first
124 # int-multiply: multiplies an arbitrary length list of integers
125 # int-divide: divides the first integer by the second
126 # int-remainder: arithmetic remainder of the first number divided by the second
127 # int-shift-left: Shift $1 left by $2 bits
128 # int-lt: 1 if the first value is less than the second. 0 otherwise
129 # int-gt: 1 if the first values is greater than the second. 0 otherwise
130 # int-eq: 1 if the two values are equal. 0 otherwise
131 # int-align: align $1 to $2 units
132 # file-size: returns the filesize of the given file
133 # tolower: returns the value in all lowercase
134 # toupper: returns the value in all uppercase
135 # ws_to_under: returns the value with any whitespace changed to underscores
136 _toint=$(shell printf "%d" $1)
137 _int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
138 int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
139 int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
140 _int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
141 int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
142 int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
143 int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
144 int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
145 int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
146 int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
147 int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
148 int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
149 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))
198 ifeq ($(CONFIG_PLATFORM_USES_FSP2_0),y)
199 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/fsp))
201 ifeq ($(CONFIG_PLATFORM_USES_FSP1_0),y)
202 ifeq ($(CONFIG_SOC_INTEL_FSP_BROADWELL_DE),y)
203 forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/fsp))
207 UPDATED_SUBMODULES:=1
208 COREBOOT_EXPORTS += UPDATED_SUBMODULES
211 postcar-c-deps:=$$(OPTION_TABLE_H)
212 ramstage-c-deps:=$$(OPTION_TABLE_H)
213 romstage-c-deps:=$$(OPTION_TABLE_H)
214 verstage-c-deps:=$$(OPTION_TABLE_H)
215 bootblock-c-deps:=$$(OPTION_TABLE_H)
216 $(foreach type,ads adb, \
217 $(foreach stage,$(COREBOOT_STANDARD_STAGES), \
218 $(eval $(stage)-$(type)-deps := $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
220 # Add handler to copy linker scripts
221 define generic-objs_ld_template_gen
222 de$(EMPTY)fine $(1)-objs_ld_template
223 $$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
224 @printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
225 $$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
229 # Add handler to deal with archives
230 define generic-objs_a_template_gen
231 de$(EMPTY)fine $(1)-objs_a_template
232 $$(call src-to-obj,$1,$$(1).a): $$(1).a
233 @printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
234 $$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
239 # Add handler to add no rules for manual files
240 define generic-objs_manual_template_gen
244 #######################################################################
245 # Add handler to compile ACPI's ASL
246 # arg1: base file name
247 # arg2: y or n for including in cbfs. defaults to y
249 # Empty resource templates were marked as a warning in IASL with the comment
250 # "This would appear to be worthless in real-world ASL code.", which is
251 # possibly true in many cases. In other cases it seems that an empty
252 # ResourceTemplate is the correct code.
253 # As it's valid ASL, disable the warning.
254 EMPTY_RESOURCE_TEMPLATE_WARNING = 3150
255 IGNORED_IASL_WARNINGS = -vw $(EMPTY_RESOURCE_TEMPLATE_WARNING)
258 $(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
259 $(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
260 $(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
261 cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
262 -include $(obj)/$(1).d
263 $(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
264 @printf " IASL $$(subst $(top)/,,$$(@))\n"
265 $(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$@
266 cd $$(dir $$@); $(IASL) $(IGNORED_IASL_WARNINGS) -we -p $$(notdir $$@) $$(notdir $$@)
267 if [ -z "$$$$($(IASL) -d $$@ 2>&1 | grep 'ACPI Warning')" ]; then echo " IASL $$@ disassembled correctly."; true; else echo "Error: Could not correctly disassemble $$@"; $(IASL) -d $$@; false; fi
270 #######################################################################
271 # Parse plaintext cmos defaults into binary format
273 # arg2: binary file name
274 cbfs-files-processor-nvramtool= \
275 $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
276 printf " CREATE $(2) (from $(1))\n"; \
277 $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
280 #######################################################################
281 # Link VSA binary to ELF-ish stage
283 # arg2: binary file name
284 cbfs-files-processor-vsa= \
285 $(eval $(2): $(1) ; \
286 printf " CREATE $(2) (from $(1))\n"; \
287 $(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
288 $(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
290 #######################################################################
291 # Reduce a .config file to its minimal representation
294 cbfs-files-processor-defconfig= \
295 $(eval $(2): $(1) $(obj)/build.h $(objutil)/kconfig/conf; \
296 +printf " CREATE $(2) (from $(1))\n"; \
297 printf "\# This image was built using coreboot " > $(2).tmp && \
298 grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
299 $(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
300 cat $(2).tmp2 >> $(2).tmp && \
302 \mv -f $(2).tmp $(2))
304 #######################################################################
305 # Compile a C file with a bare struct definition into binary
306 # arg1: C source file
308 cbfs-files-processor-struct= \
309 $(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
310 printf " CC+STRIP $(@)\n"; \
311 $(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
312 $(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
314 $(eval DEPENDENCIES += $(2).d)
316 #######################################################################
317 # Add handler for arbitrary files in CBFS
318 $(call add-special-class,cbfs-files)
319 cbfs-files-handler= \
320 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
321 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
322 $(eval tmp-cbfs-file:= ) \
324 $(if $(wildcard $(1)$($(2)-file)), \
325 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
326 $(eval tmp-cbfs-file:= $($(2)-file)))) \
327 $(if $(strip $($(2)-required)), \
328 $(if $(wildcard $(tmp-cbfs-file)),, \
329 $(info This build configuration requires $($(2)-required)) \
330 $(eval FAILBUILD:=1) \
332 $(if $(strip $($(2)-align)), \
333 $(if $(strip $($(2)-position)), \
334 $(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
335 $(eval FAILBUILD:=1) \
337 $(if $(tmp-cbfs-method), \
338 $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
339 $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
340 $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
341 $(if $(tmp-cbfs-file), \
342 $(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
343 $(eval $(2)-name:=) \
344 $(eval $(2)-type:=) \
345 $(eval $(2)-compression:=) \
346 $(eval $(2)-position:=) \
347 $(eval $(2)-required:=) \
348 $(eval $(2)-options:=) \
351 #######################################################################
352 # a variety of flags for our build
353 CBFS_COMPRESS_FLAG:=none
354 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
355 CBFS_COMPRESS_FLAG:=LZMA
358 CBFS_PAYLOAD_COMPRESS_FLAG:=none
359 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
360 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
362 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
363 CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
366 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
367 ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
368 CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
371 CBFS_PRERAM_COMPRESS_FLAG:=none
372 ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
373 CBFS_PRERAM_COMPRESS_FLAG:=LZ4
376 ifneq ($(CONFIG_LOCALVERSION),"")
377 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
378 COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
381 CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
382 CPPFLAGS_common += -Isrc/device/oprom/include
383 VBOOT_SOURCE ?= 3rdparty/vboot
384 CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
385 CPPFLAGS_common += -include $(src)/include/kconfig.h
386 CPPFLAGS_common += -include $(src)/include/rules.h
387 CPPFLAGS_common += -include $(src)/commonlib/include/commonlib/compiler.h
388 CPPFLAGS_common += -I3rdparty
389 CPPFLAGS_common += -D__BUILD_DIR__=\"$(obj)\"
391 CFLAGS_common += -pipe -g -nostdinc -std=gnu11
392 CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
393 CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
394 CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time
395 CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
396 CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
397 ifeq ($(CONFIG_COMPILER_GCC),y)
398 CFLAGS_common += -fno-delete-null-pointer-checks
399 # Don't add these GCC specific flags when running scan-build
400 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
401 CFLAGS_common += -Wno-packed-not-aligned
402 CFLAGS_common += -fconserve-stack
403 # cf. commit f69a99db (coreboot: x86: enable gc-sections)
404 CFLAGS_common += -Wno-unused-but-set-variable
408 ADAFLAGS_common += -gnatp
409 ADAFLAGS_common += -Wuninitialized -Wall -Werror
410 ADAFLAGS_common += -pipe -g -nostdinc
411 ADAFLAGS_common += -Wstrict-aliasing -Wshadow
412 ADAFLAGS_common += -fno-common -fomit-frame-pointer
413 ADAFLAGS_common += -ffunction-sections -fdata-sections
414 # Ada warning options:
416 # a Activate most optional warnings.
417 # .e Activate every optional warnings.
418 # e Treat warnings and style checks as errors.
420 # D Suppress warnings on implicit dereferences:
421 # As SPARK does not accept access types we have to map the
422 # dynamically chosen register locations to a static SPARK
425 # .H Suppress warnings on holes/gaps in records:
426 # We are modelling hardware here!
428 # H Suppress warnings on hiding:
429 # It's too annoying, you run out of ideas for identifiers fast.
431 # T Suppress warnings for tracking of deleted conditional code:
432 # We use static options to select code paths at compile time.
434 # U Suppress warnings on unused entities:
435 # Would have lots of warnings for unused register definitions,
436 # `withs` for debugging etc.
438 # .U Deactivate warnings on unordered enumeration types:
439 # As SPARK doesn't support `pragma Ordered` by now, we don't
442 # .W Suppress warnings on unnecessary Warnings Off pragmas:
443 # Things get really messy when you use different compiler
444 # versions, otherwise.
445 # .Y Disable information messages for why package spec needs body:
446 # Those messages are annoying. But don't forget to enable those,
447 # if you need the information.
448 ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
449 # Disable style checks for now
450 ADAFLAGS_common += -gnatyN
452 LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
454 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
455 CFLAGS_common += -Werror
457 ifneq ($(GDB_DEBUG),)
459 ADAFLAGS_common += -Og
462 ADAFLAGS_common += -Os
465 ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
466 ADAFLAGS_common += -gnata
469 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
470 $(objutil)/options $(objutil)/amdfwtool \
471 $(objutil)/cbootimage $(objutil)/bimgtool
473 export $(COREBOOT_EXPORTS)
475 #######################################################################
476 # generate build support files
478 build_h := $(obj)/build.h
480 # We have to manually export variables that `genbuild_h.sh` uses
481 # when we call it through the `$(shell)` function. This is fragile
482 # but as variables newly added to `genbuild_h.sh` would just not
483 # work, we'd notice that instantly at least.
484 build_h_exports := BUILD_TIMELESS KERNELVERSION COREBOOT_EXTRA_VERSION
486 # Report new `build.ht` as dependency if `build.h` differs.
488 export $(foreach exp,$(build_h_exports),$(exp)="$($(exp))"); \
489 util/genbuild_h/genbuild_h.sh >$(build_h)t 2>/dev/null; \
490 cmp -s $(build_h)t $(build_h) >/dev/null 2>&1 || echo $(build_h)t
492 $(build_h): $$(shell $$(build_h_check))
493 @printf " GEN build.h\n"
497 mkdir -p $(objcbfs) $(objgenerated)
499 #######################################################################
501 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
502 FMAPTOOL:=$(objutil)/cbfstool/fmaptool
503 RMODTOOL:=$(objutil)/cbfstool/rmodtool
504 IFWITOOL:=$(objutil)/cbfstool/ifwitool
506 $(obj)/cbfstool: $(CBFSTOOL)
509 $(obj)/fmaptool: $(FMAPTOOL)
512 $(obj)/rmodtool: $(RMODTOOL)
515 $(obj)/ifwitool: $(IFWITOOL)
518 _WINCHECK=$(shell uname -o 2> /dev/null)
520 ifeq ($(_WINCHECK),Msys)
521 STACK=-Wl,--stack,16384000
523 ifeq ($(_WINCHECK),Cygwin)
524 STACK=-Wl,--stack,16384000
527 # this allows ccache to prepend itself
528 # (ccache handling happens first)
529 ROMCC_BIN= $(objutil)/romcc/romcc
531 $(ROMCC_BIN): $(top)/util/romcc/romcc.c
532 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
533 @# Note: Adding -O2 here might cause problems. For details see:
534 @# https://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
535 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
537 BINCFG:=$(objutil)/bincfg/bincfg
539 IFDTOOL:=$(objutil)/ifdtool/ifdtool
541 @printf " Compile IFDTOOL\n"
542 +$(MAKE) -C $(top)/util/ifdtool
543 cp -a $(top)/util/ifdtool/ifdtool $@
545 AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
546 $(AMDFWTOOL): $(top)/util/amdfwtool/amdfwtool.c
547 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
548 $(HOSTCC) $(HOSTCFLAGS) -DCONFIG_ROM_SIZE=$(CONFIG_ROM_SIZE) -o $@ $<
550 CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
552 FUTILITY?=$(objutil)/futility/futility
554 subdirs-y += util/nvidia
556 BIMGTOOL:=$(objutil)/bimgtool/bimgtool
557 $(BIMGTOOL): $(top)/util/bimgtool/bimgtool.c
558 @printf " HOSTCC $(subst $(obj)/,,$(@))\n"
559 $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
561 $(obj)/config.h: $(objutil)/kconfig/conf
563 #######################################################################
564 # needed objects that every mainboard uses
565 # Creation of these is architecture and mainboard independent
566 DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
568 ifneq ($(CONFIG_OVERRIDE_DEVICETREE),)
570 OVERRIDE_DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_OVERRIDE_DEVICETREE)
574 DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
576 $(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(OVERRIDE_DEVICETREE_FILE) $(objutil)/sconfig/sconfig
577 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
578 mkdir -p $(dir $(DEVICETREE_STATIC_C))
579 $(objutil)/sconfig/sconfig $(DEVICETREE_FILE) $(DEVICETREE_STATIC_C) $(OVERRIDE_DEVICETREE_FILE)
581 ramstage-y+=$(DEVICETREE_STATIC_C)
582 romstage-y+=$(DEVICETREE_STATIC_C)
583 verstage-y+=$(DEVICETREE_STATIC_C)
584 bootblock-y+=$(DEVICETREE_STATIC_C)
585 postcar-y+=$(DEVICETREE_STATIC_C)
586 smm-y+=$(DEVICETREE_STATIC_C)
588 #######################################################################
591 rm -rf coreboot-builds
593 clean-for-update-target: clean-payloads
594 rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
595 rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
596 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
597 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
598 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
599 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
600 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
601 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
604 rm -f $(obj)/coreboot*
606 #######################################################################
607 # Development utilities
610 @echo ldscripts=$(ldscripts)
613 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
616 grep "^# DESCR:" util/lint/check-style | sed "s,.*DESCR: *,,"
618 util/lint/check-style
622 util/gitconfig/gitconfig.sh "$(MAKE)"
624 install-git-commit-clangfmt:
625 cp util/scripts/prepare-commit-msg.clang-format .git/hooks/prepare-commit-msg
627 include util/crossgcc/Makefile.inc
630 tools: $(objutil)/kconfig/conf $(CBFSTOOL) $(objutil)/cbfstool/cbfs-compression-tool $(FMAPTOOL) $(RMODTOOL) $(IFWITOOL) $(objutil)/nvramtool/nvramtool $(ROMCC_BIN) $(objutil)/sconfig/sconfig $(IFDTOOL) $(CBOOTIMAGE) $(AMDFWTOOL) $(FUTILITY) $(BINCFG)
632 ###########################################################################
633 # Common recipes for all stages
634 ###########################################################################
636 # loadaddr can determine the load address of a stage, which may be needed for
637 # platform-specific image headers (only works *after* the stage has been built)
638 loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
639 sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
641 # find-substr is required for stages like romstage_null and romstage_xip to
642 # eliminate the _* part of the string
643 find-substr = $(word 1,$(subst _, ,$(1)))
645 # find-class is used to identify the class from the name of the stage
646 # The input to this macro can be something like romstage.x or romstage.x.y
647 # find-class recursively strips off the suffixes to extract the exact class name
648 # e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
649 # if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
650 # and remove .x the next time and finally return romstage
651 find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
653 # Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
654 # be cleared by the loader of the stage. For ARM SoCs that means one needs to
655 # include the bss section in the binary so the BootROM clears the bss on
656 # loading of the bootblock stage. Achieve this by marking the bss section
657 # loadable,allocatable, and data. Do the same for the .data section in case
658 # the linker marked it NOBITS automatically because there are only zeroes in it.
659 preserve-bss-flags := --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data
661 ifeq ($(CONFIG_COMPRESS_BOOTBLOCK),y)
663 $(objcbfs)/bootblock.lz4: $(objcbfs)/bootblock.elf $(objutil)/cbfstool/cbfs-compression-tool
664 @printf " LZ4 $(subst $(obj)/,,$(@))\n"
665 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@.tmp
666 $(OBJCOPY_bootblock) -O binary $@.tmp
667 $(objutil)/cbfstool/cbfs-compression-tool rawcompress $@.tmp $@.tmp2 lz4
671 # Put assembled decompressor+bootblock into bootblock.raw.elf so that SoC
672 # Makefiles wrapping the bootblock in a header can always key off the same file.
673 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/decompressor.elf
674 @printf " OBJCOPY $(notdir $(@))\n"
675 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
677 else # CONFIG_COMPRESS_BOOTBLOCK
679 $(objcbfs)/bootblock.raw.elf: $(objcbfs)/bootblock.elf
680 @printf " OBJCOPY $(notdir $(@))\n"
681 $(OBJCOPY_bootblock) $(preserve-bss-flags) $< $@
683 endif # CONFIG_COMPRESS_BOOTBLOCK
685 $(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.raw.elf
686 @printf " OBJCOPY $(notdir $(@))\n"
687 $(OBJCOPY_bootblock) -O binary $< $@
689 $(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
692 $(objcbfs)/%.elf: $(objcbfs)/%.debug
693 $(eval class := $(call find-class,$(@F)))
694 @printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
696 $(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
697 $(OBJCOPY_$(class)) --strip-debug $@.tmp
698 $(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
702 ###########################################################################
703 # Build the final rom image
704 ###########################################################################
706 # extract_nth - Return a subsection of the $file string
708 # the input string looks like this:
709 # ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
712 # 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
713 # 2 - Name of file in cbfs [$(FILENAME)-file]
714 # 3 - File type: [$(FILENAME)-type]
715 # bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
716 # mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
717 # mma, efi, deleted, null
718 # 4 - Compression type [$(FILENAME)-compression]
720 # 5 - Base address [$(FILANAME)-position]
721 # 6 - Alignment [$(FILENAME)-align]
722 # 7 - cbfstool flags [$(FILENAME)-options]
725 # $(1) = Section to extract
726 # $(2) = Input string
729 # 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
730 # 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
731 # 3) remove the leading and trailing '-' characters
732 # 4) replace all '*' characters with spaces
733 extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
735 # regions-for-file - Returns a cbfstool regions parameter
736 # $(call regions-for-file,$(filename))
737 # returns "REGION1,REGION2,..."
739 # This is the default implementation. When using a boot strategy employing
740 # multiple CBFSes in fmap regions, override it.
741 regions-for-file ?= COREBOOT
743 ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
744 cbfs-autogen-attributes=-g
747 # cbfs-add-cmd-for-region
748 # $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
749 define cbfs-add-cmd-for-region
751 add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
752 $(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
753 $(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
754 -f $(call extract_nth,1,$(1)) \
755 -n $(call extract_nth,2,$(1)) \
756 $(if $(filter-out flat-binary payload stage,$(call \
757 extract_nth,3,$(1))),-t $(call extract_nth,3,$(1))) \
758 $(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
759 $(cbfs-autogen-attributes) \
761 $(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
762 $(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
763 $(call extract_nth,7,$(1))
767 # Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
771 # $(call cbfs-add-cmd,
772 # file in extract_nth format,
774 # non-empty if file removal requested)
776 printf " CBFS $(call extract_nth,2,$(1))\n"
777 $(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
778 $(call cbfs-add-cmd-for-region,$(1),$(2))
781 # list of files to add (using their file system names, not CBFS names),
782 # for dependencies etc.
783 prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
786 # returns full list of fmap regions that we add files to
787 all-regions = $(sort $(subst $(comma),$(spc), \
788 $(foreach file,$(cbfs-files), \
789 $(call regions-for-file,$(call extract_nth,2,$(file))))))
791 # $(call all-files-in-region,region name)
792 # returns elements in $(cbfs-files) that end up in that region, in the order
793 # they appear in $(cbfs-files)
794 all-files-in-region = $(foreach file,$(cbfs-files), \
795 $(if $(filter $(1), \
796 $(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
799 # $(call update-file-for-region,file string from $(cbfs-files),region name)
800 # Update position and alignment according to overrides for region
801 # Doesn't check for invalid configurations (eg. resetting neither or both
802 # position and align)
803 # Returns the updated file string
804 update-file-for-region = \
805 $(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)))
807 # $(call placed-files-in-region,region name)
808 # like all-files-in-region, but updates the files to contain region overrides
809 # to position or alignment.
810 placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
811 $(if $($(call extract_nth,2,$(file))-$(1)-position), \
812 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
813 $(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
814 $(call update-file-for-region,$(file),$(1)), \
815 $(if $($(call extract_nth,2,$(file))-$(1)-align), \
816 $(call update-file-for-region,$(file),$(1)), \
819 # $(call sort-files,subset of $(cbfs-files))
820 # reorders the files in the given set to list files at fixed positions first,
821 # followed by aligned files and finally those with no constraints.
823 $(eval _tmp_fixed:=) \
824 $(eval _tmp_aligned:=) \
825 $(eval _tmp_regular:=) \
826 $(foreach file,$(1), \
827 $(if $(call extract_nth,5,$(file)),\
828 $(eval _tmp_fixed += $(file)), \
829 $(if $(call extract_nth,6,$(file)), \
830 $(eval _tmp_aligned += $(file)), \
831 $(eval _tmp_regular += $(file))))) \
832 $(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
834 # command list to add files to CBFS
835 prebuild-files = $(foreach region,$(all-regions), \
837 $(call sort-files,$(call placed-files-in-region,$(region))), \
838 $(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
840 ifeq ($(CONFIG_FMDFILE),)
841 # For a description of the flash layout described by these variables, check
842 # the $(DEFAULT_FLASHMAP) .fmd files.
843 ifeq ($(CONFIG_ARCH_X86),y)
844 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
846 FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
847 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
848 # entire "BIOS" region (everything directly of concern to the host system)
849 # relative to ROM_BASE
850 FMAP_BIOS_BASE := $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE))
851 FMAP_BIOS_SIZE := $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f)
852 # position and size of flashmap, relative to BIOS_BASE
854 FMAP_FMAP_SIZE := 0x200
857 # X86 CONSOLE FMAP region
859 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
860 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
861 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
862 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
863 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
864 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
865 FMAP_CONSOLE_BASE := 0
866 FMAP_CONSOLE_SIZE := 0
867 FMAP_CONSOLE_ENTRY :=
868 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
871 # X86 RW_MRC_CACHE FMAP region
873 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
874 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
875 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
876 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
877 $(FMAP_CONSOLE_SIZE)), 0x10000)
879 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
880 $(FMAP_FMAP_SIZE)), 0x10000)
882 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
883 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
884 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
885 FMAP_MRC_CACHE_BASE := 0
886 FMAP_MRC_CACHE_SIZE := 0
887 FMAP_MRC_CACHE_ENTRY :=
888 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
891 # X86 COREBOOT default cbfs FMAP region
893 # position and size of CBFS, relative to BIOS_BASE
894 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
895 FMAP_CBFS_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
897 FMAP_CBFS_BASE := $(call int-add, $(FMAP_CONSOLE_SIZE) $(FMAP_FMAP_SIZE))
899 FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
900 else # ifeq ($(CONFIG_ARCH_X86),y)
901 DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
904 FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
905 # entire "BIOS" region (everything directly of concern to the host system)
906 # relative to ROM_BASE
908 FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
909 # position and size of flashmap, relative to BIOS_BASE
910 FMAP_FMAP_BASE := 0x20000
911 FMAP_FMAP_SIZE := 0x100
914 # NON-X86 CONSOLE FMAP region
916 # position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
917 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
918 FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
919 FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
920 FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
921 else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
922 FMAP_CONSOLE_BASE := 0
923 FMAP_CONSOLE_SIZE := 0
924 FMAP_CONSOLE_ENTRY :=
925 endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
928 # NON-X86 RW_MRC_CACHE FMAP region
930 # position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
931 ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
932 ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
933 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
934 $(FMAP_CONSOLE_SIZE)), 0x10000)
936 FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
937 $(FMAP_FMAP_SIZE)), 0x10000)
939 FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
940 FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
941 else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
942 FMAP_MRC_CACHE_BASE := 0
943 FMAP_MRC_CACHE_SIZE := 0
944 FMAP_MRC_CACHE_ENTRY :=
945 endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
948 # NON-X86 COREBOOT default cbfs FMAP region
950 # position and size of CBFS, relative to BIOS_BASE
951 FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE) \
952 $(FMAP_MRC_CACHE_SIZE))
953 FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
954 endif # ifeq ($(CONFIG_ARCH_X86),y)
956 $(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
957 sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
958 -e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
959 -e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
960 -e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
961 -e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
962 -e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
963 -e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
964 -e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
965 -e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
966 -e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
967 $(DEFAULT_FLASHMAP) > $@.tmp
969 else # ifeq ($(CONFIG_FMDFILE),)
970 $(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
971 $(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
973 endif # ifeq ($(CONFIG_FMDFILE),)
975 # generated at the same time as fmap.fmap
976 $(obj)/fmap_config.h: $(obj)/fmap.fmap
978 $(obj)/fmap.desc: $(obj)/fmap.fmap
981 $(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
982 echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
983 $(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
985 ifeq ($(CONFIG_INTEL_ADD_TOP_SWAP_BOOTBLOCK),y)
986 TS_OPTIONS := -j $(CONFIG_INTEL_TOP_SWAP_BOOTBLOCK_SIZE)
987 FIT_OPTIONS := $(TS_OPTIONS)
989 ifneq ($(CONFIG_UPDATE_IMAGE),y)
990 $(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
991 $(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
992 ifeq ($(CONFIG_ARCH_X86),y)
993 $(CBFSTOOL) $@.tmp add \
994 -f $(objcbfs)/bootblock.bin \
997 -b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes) \
999 else # ifeq ($(CONFIG_ARCH_X86),y)
1000 $(CBFSTOOL) $@.tmp write -u \
1002 -f $(objcbfs)/bootblock.bin
1003 # make space for the CBFS master header pointer. "ptr_" is just
1004 # arbitrary 4 bytes that will be overwritten by add-master-header.
1005 printf "ptr_" > $@.tmp.2
1006 $(CBFSTOOL) $@.tmp add \
1008 -n "header pointer" \
1012 endif # ifeq ($(CONFIG_ARCH_X86),y)
1013 $(CBFSTOOL) $@.tmp add-master-header $(TS_OPTIONS)
1014 $(prebuild-files) true
1016 else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1017 .PHONY: $(obj)/coreboot.pre
1018 $(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
1019 mv $(obj)/coreboot.rom $@.tmp || \
1020 (echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
1021 echo "Exiting." && \
1023 $(prebuild-files) true
1025 endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
1027 ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
1028 REFCODE_BLOB=$(obj)/refcode.rmod
1029 $(REFCODE_BLOB): $(RMODTOOL)
1030 $(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
1033 FIT_ENTRY=$(call strip_quotes, $(CONFIG_INTEL_TOP_SWAP_FIT_ENTRY_FMAP_REG))
1034 ifneq ($(FIT_ENTRY),)
1035 FIT_OPTIONS += -q $(FIT_ENTRY)
1038 $(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/ramstage.elf $(CBFSTOOL) $$(INTERMEDIATE)
1039 @printf " CBFS $(subst $(obj)/,,$(@))\n"
1040 # The full ROM may be larger than the CBFS part, so create an empty
1041 # file (filled with \377 = 0xff) and copy the CBFS image over it.
1042 dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
1043 dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
1044 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
1045 ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
1046 ifneq ($(CONFIG_UPDATE_IMAGE),y)
1047 @printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
1048 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
1052 ifeq ($(CONFIG_SEABIOS_ADD_SERCON_PORT_FILE),y)
1053 @printf " SeaBIOS Add sercon-port file\n"
1054 $(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_SERCON_PORT_ADDR) -n etc/sercon-port
1056 ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
1057 ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
1058 @printf " UPDATE-FIT\n"
1059 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1063 ifeq ($(CONFIG_USE_CPU_MICROCODE_CBFS_BINS),y)
1064 @printf " UPDATE-FIT\n"
1065 $(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES) \
1070 @printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
1071 $(CBFSTOOL) $@ layout
1072 @printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
1073 $(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
1075 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
1076 $(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
1077 $(CONFIG_CBFS_PREFIX)/romstage-type := stage
1078 $(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
1079 ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
1080 $(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
1082 ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
1083 # Use a 64 byte alignment to provide a minimum alignment
1084 # requirement for the overall romstage. While the first object within
1085 # romstage could have a 4 byte minimum alignment that doesn't mean the linker
1086 # won't decide the entire section should be aligned to a larger value. In the
1087 # future cbfstool should add XIP files proper and honor the alignment
1088 # requirements of the program segment.
1090 # Make sure that segment for .car.data is ignored while adding romstage.
1091 $(CONFIG_CBFS_PREFIX)/romstage-align := 64
1092 $(CONFIG_CBFS_PREFIX)/romstage-options := -S ".car.data"
1094 # If CAR does not support execution of code, romstage on x86 is expected to be
1096 ifneq ($(CONFIG_NO_XIP_EARLY_STAGES),y)
1097 $(CONFIG_CBFS_PREFIX)/romstage-options += --xip
1099 # If XIP_ROM_SIZE isn't being used don't overly constrain romstage by passing
1100 # -P with a default value.
1101 ifneq ($(CONFIG_NO_FIXED_XIP_ROM_SIZE),y)
1102 $(CONFIG_CBFS_PREFIX)/romstage-options += -P $(CONFIG_XIP_ROM_SIZE)
1103 endif # CONFIG_NO_FIXED_XIP_ROM_SIZE
1105 endif # CONFIG_NO_XIP_EARLY_STAGES
1106 endif # CONFIG_ARCH_ROMSTAGE_X86_32 / CONFIG_ARCH_ROMSTAGE_X86_64
1108 cbfs-files-y += $(CONFIG_CBFS_PREFIX)/ramstage
1109 $(CONFIG_CBFS_PREFIX)/ramstage-file := $(objcbfs)/ramstage.elf
1110 $(CONFIG_CBFS_PREFIX)/ramstage-type := stage
1111 $(CONFIG_CBFS_PREFIX)/ramstage-compression := $(CBFS_COMPRESS_FLAG)
1113 cbfs-files-$(CONFIG_HAVE_REFCODE_BLOB) += $(CONFIG_CBFS_PREFIX)/refcode
1114 $(CONFIG_CBFS_PREFIX)/refcode-file := $(REFCODE_BLOB)
1115 $(CONFIG_CBFS_PREFIX)/refcode-type := stage
1116 $(CONFIG_CBFS_PREFIX)/refcode-compression := $(CBFS_COMPRESS_FLAG)
1118 cbfs-files-$(CONFIG_SEABIOS_VGA_COREBOOT) += vgaroms/seavgabios.bin
1119 vgaroms/seavgabios.bin-file := $(CONFIG_PAYLOAD_VGABIOS_FILE)
1120 vgaroms/seavgabios.bin-type := raw
1122 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += config
1123 config-file := $(DOTCONFIG):defconfig
1126 cbfs-files-$(CONFIG_INCLUDE_CONFIG_FILE) += revision
1127 revision-file := $(obj)/build.h
1128 revision-type := raw
1130 BOOTSPLASH_SUFFIX=$(suffix $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE)))
1131 cbfs-files-$(CONFIG_BOOTSPLASH_IMAGE) += bootsplash$(BOOTSPLASH_SUFFIX)
1132 bootsplash$(BOOTSPLASH_SUFFIX)-file := $(call strip_quotes,$(CONFIG_BOOTSPLASH_FILE))
1133 bootsplash$(BOOTSPLASH_SUFFIX)-type := bootsplash
1135 # Ensure that no payload segment overlaps with memory regions used by ramstage
1136 # (not for x86 since it can relocate itself in that case)
1137 ifneq ($(CONFIG_ARCH_X86),y)
1138 check-ramstage-overlap-regions := ramstage
1139 check-ramstage-overlap-files :=
1140 ifneq ($(CONFIG_PAYLOAD_NONE),y)
1141 check-ramstage-overlap-files += $(CONFIG_CBFS_PREFIX)/payload
1144 # will output one or more lines of "<load address in hex> <memlen in decimal>"
1145 cbfs-get-segments-cmd = $(CBFSTOOL) $(obj)/coreboot.pre print -v | sed -n \
1146 '\%$(1)%,\%^[^ ]\{4\}%s% .*load: \(0x[0-9a-fA-F]*\),.*length: [0-9]*/\([0-9]*\).*%\1 \2%p'
1148 ramstage-symbol-addr-cmd = $(OBJDUMP_ramstage) -t $(objcbfs)/ramstage.elf | \
1149 sed -n '/ $(1)$$/s/^\([0-9a-fA-F]*\) .*/0x\1/p'
1151 check-ramstage-overlaps: $(obj)/coreboot.pre
1152 programs=$$($(foreach file,$(check-ramstage-overlap-files), \
1153 $(call cbfs-get-segments-cmd,$(file)) ; )) ; \
1154 regions=$$($(foreach region,$(check-ramstage-overlap-regions), \
1156 $(call ramstage-symbol-addr-cmd,_$(region)) ; \
1157 $(call ramstage-symbol-addr-cmd,_e$(region)) ; )) ; \
1159 for x in $$programs; do \
1160 if [ -z $$pstart ]; then pstart=$$(($$x)) ; continue ; fi ; \
1161 pend=$$(($$pstart + $$x)) ; \
1162 rname= ; rstart= ; rend= ; \
1163 for y in $$regions ; do \
1164 if [ -z $$rname ]; then rname=$$y ; continue ; fi ; \
1165 if [ -z $$rstart ]; then rstart=$$(($$y)) ; continue ; fi ; \
1167 if [ $$pstart -lt $$rend -a $$rstart -lt $$pend ]; then \
1168 echo "ERROR: Ramstage region _$$rname overlapped by:" \
1169 $(check-ramstage-overlap-files) ; \
1172 rname= ; rstart= ; rend= ; \
1177 INTERMEDIATE+=check-ramstage-overlaps
1178 PHONY+=check-ramstage-overlaps