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Makefile.inc
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Makefile.inc
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##
## This file is part of the coreboot project.
##
## Copyright (C) 2011 secunet Security Networks AG
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; version 2 of the License.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
ifneq ($(NOCOMPILE),1)
GIT:=$(shell git -C "$(top)" rev-parse --git-dir 1>/dev/null 2>&1 \
&& command -v git)
else
GIT:=
endif
#######################################################################
# normalize Kconfig variables in a central place
CONFIG_CBFS_PREFIX:=$(call strip_quotes,$(CONFIG_CBFS_PREFIX))
CONFIG_FMDFILE:=$(call strip_quotes,$(CONFIG_FMDFILE))
CONFIG_DEVICETREE:=$(call strip_quotes, $(CONFIG_DEVICETREE))
#######################################################################
# misleadingly named, this is the coreboot version
ifeq ($(KERNELVERSION),)
ifeq ($(BUILD_TIMELESS),1)
KERNELVERSION := TIMELESS
else
KERNELVERSION := $(strip $(if $(GIT),\
$(shell git describe --dirty --always || git describe),\
$(if $(wildcard $(top)/.coreboot-version),\
$(shell cat $(top)/.coreboot-version),\
coreboot-unknown$(KERNELREVISION))))
endif
endif
COREBOOT_EXPORTS += KERNELVERSION
#######################################################################
# Basic component discovery
MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
VARIANT_DIR:=$(call strip_quotes,$(CONFIG_VARIANT_DIR))
COREBOOT_EXPORTS += MAINBOARDDIR VARIANT_DIR
## Final build results, which CBFSTOOL uses to create the final
## rom image file, are placed under $(objcbfs).
## These typically have suffixes .debug .elf .bin and .map
objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX)
COREBOOT_EXPORTS += objcbfs
## Based on the active configuration, Makefile conditionally collects
## the required assembly includes and saves them in a file.
## Such files that do not have a clear one-to-one relation to a source
## file under src/ are placed and built under $(objgenerated)
objgenerated := $(obj)/generated
COREBOOT_EXPORTS += objgenerated
#######################################################################
# root rule to resolve if in build mode (ie. configuration exists)
real-target: $(obj)/config.h coreboot files_added
coreboot: build-dirs $(obj)/coreboot.rom $(obj)/cbfstool $(obj)/rmodtool $(obj)/ifwitool
# This target can be used in site local to run scripts or additional
# targets after the build completes by creating a Makefile.inc in the
# site-local directory with a target named 'build_complete::'
build_complete:: coreboot
printf "\nBuilt %s (%s)\n" $(MAINBOARDDIR) \
$(CONFIG_MAINBOARD_PART_NUMBER)
# This target can be used to run rules after all files were added to CBFS,
# for example to process FMAP regions or the entire image.
files_added:: build_complete
#######################################################################
# our phony targets
PHONY+= clean-abuild coreboot build-dirs build_complete
#######################################################################
# root source directories of coreboot
subdirs-y := src/lib src/commonlib/ src/console src/device src/acpi
subdirs-y += src/ec/acpi $(wildcard src/ec/*/*) $(wildcard src/southbridge/*/*)
subdirs-y += $(wildcard src/soc/*/*) $(wildcard src/northbridge/*/*)
subdirs-y += src/superio
subdirs-y += $(wildcard src/drivers/*) $(wildcard src/drivers/*/*)
subdirs-y += src/cpu src/vendorcode
subdirs-y += util/cbfstool util/sconfig util/nvramtool util/broadcom
subdirs-y += util/futility util/marvell util/bincfg
subdirs-y += $(wildcard src/arch/*)
subdirs-y += src/mainboard/$(MAINBOARDDIR)
subdirs-y += src/security
subdirs-y += payloads payloads/external
subdirs-y += site-local
subdirs-y += util/checklist util/testing
#######################################################################
# Add source classes and their build options
classes-y := ramstage romstage bootblock postcar smm smmstub cpu_microcode verstage
# Add dynamic classes for rmodules
$(foreach supported_arch,$(ARCH_SUPPORTED), \
$(eval $(call define_class,rmodules_$(supported_arch),$(supported_arch))))
# Provide a macro to determine environment for free standing rmodules.
$(foreach supported_arch,$(ARCH_SUPPORTED), \
$(eval rmodules_$(supported_arch)-generic-ccopts += -D__RMODULE__))
#######################################################################
# Helper functions for math, strings, and various file placement matters.
# macros work on all formats understood by printf(1)
# values are space separated if using more than one value
#
# int-add: adds an arbitrary length list of integers
# int-subtract: subtracts the the second of two integers from the first
# int-multiply: multiplies an arbitrary length list of integers
# int-divide: divides the first integer by the second
# int-remainder: arithmetic remainder of the first number divided by the second
# int-shift-left: Shift $1 left by $2 bits
# int-lt: 1 if the first value is less than the second. 0 otherwise
# int-gt: 1 if the first values is greater than the second. 0 otherwise
# int-eq: 1 if the two values are equal. 0 otherwise
# int-align: align $1 to $2 units
# file-size: returns the filesize of the given file
# tolower: returns the value in all lowercase
# toupper: returns the value in all uppercase
# ws_to_under: returns the value with any whitespace changed to underscores
_toint=$(shell printf "%d" $1)
_int-add2=$(shell expr $(call _toint,$1) + $(call _toint,$2))
int-add=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-add,$(call _int-add2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
int-subtract=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) - $(call _toint,$(word 2,$1))))
_int-multiply2=$(shell expr $(call _toint,$1) \* $(call _toint,$2))
int-multiply=$(if $(filter 1,$(words $1)),$(strip $1),$(call int-multiply,$(call _int-multiply2,$(word 1,$1),$(word 2,$1)) $(wordlist 3,$(words $1),$1)))
int-divide=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) / $(call _toint,$(word 2,$1))))
int-remainder=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) % $(call _toint,$(word 2,$1))))
int-shift-left=$(shell echo "$(call _toint,$(word 1, $1)) * (2 ^ $(call _toint,$(word 2, $1)))" | bc)
int-lt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \< $(call _toint,$(word 2,$1))))
int-gt=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) \> $(call _toint,$(word 2,$1))))
int-eq=$(if $(filter 1,$(words $1)),$(strip $1),$(shell expr $(call _toint,$(word 1,$1)) = $(call _toint,$(word 2,$1))))
int-align=$(shell A=$(call _toint,$1) B=$(call _toint,$2); expr $$A + \( \( $$B - \( $$A % $$B \) \) % $$B \) )
file-size=$(strip $(shell cat $1 | wc -c))
tolower=$(shell echo '$1' | tr '[:upper:]' '[:lower:]')
toupper=$(shell echo '$1' | tr '[:lower:]' '[:upper:]')
ws_to_under=$(shell echo '$1' | tr ' \t' '_')
#######################################################################
# Helper functions for ramstage postprocess
spc :=
spc +=
$(spc) :=
$(spc) +=
comma := ,
# files-in-dir-recursive,dir,files
files-in-dir-recursive=$(filter $(1)%,$(2))
# parent-dir,dir/
parent-dir=$(dir $(if $(patsubst /%,,$(1)),,/)$(subst $( ),/,$(strip $(subst /, ,$(1)))))
# filters out exactly the directory specified
# filter-out-dir,dir_to_keep,dirs
filter-out-dir=$(filter-out $(1),$(2))
# filters out dir_to_keep and all its parents
# filter-out-dirs,dir_to_keep,dirs
filter-out-dirs=$(if $(filter-out ./ /,$(1)),$(call filter-out-dirs,$(call parent-dir,$(1)),$(call filter-out-dir,$(1),$(2))),$(call filter-out-dir,$(1),$(2)))
# dir-wildcards,dirs
dir-wildcards=$(addsuffix %,$(1))
# files-in-dir,dir,files
files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(sort $(dir $(2))))),$(call files-in-dir-recursive,$(1),$(2)))
#######################################################################
# reduce command line length by linking the objects of each
# directory into an intermediate file
ramstage-postprocess=$$(eval DEPENDENCIES+=$$(addsuffix .d,$$(basename $(1)))) \
$(foreach d,$(sort $(dir $(filter-out %.ld,$(1)))), \
$(eval $(d)ramstage.a: $(call files-in-dir,$(d),$(filter-out %.ld,$(1))); rm -f $$@ && $(AR_ramstage) rcsT $$@ $$^ ) \
$(eval ramstage-objs:=$(d)ramstage.a $(filter-out $(filter-out %.ld, $(call files-in-dir,$(d),$(1))),$(ramstage-objs))))
bootblock-generic-ccopts += -D__PRE_RAM__ -D__BOOTBLOCK__
romstage-generic-ccopts += -D__PRE_RAM__ -D__ROMSTAGE__
ramstage-generic-ccopts += -D__RAMSTAGE__
ifeq ($(CONFIG_TRACE),y)
ramstage-c-ccopts += -finstrument-functions
endif
ifeq ($(CONFIG_COVERAGE),y)
ramstage-c-ccopts += -fprofile-arcs -ftest-coverage
endif
ifneq ($(UPDATED_SUBMODULES),1)
# try to fetch non-optional submodules if the source is under git
forgetthis:=$(if $(GIT),$(shell git submodule update --init))
ifeq ($(CONFIG_USE_BLOBS),y)
# this is necessary because 3rdparty/blobs is update=none, and so is ignored
# unless explicitly requested and enabled through --checkout
forgetthis:=$(if $(GIT),$(shell git submodule update --init --checkout 3rdparty/blobs))
endif
UPDATED_SUBMODULES:=1
COREBOOT_EXPORTS += UPDATED_SUBMODULES
endif
postcar-c-deps:=$$(OPTION_TABLE_H)
ramstage-c-deps:=$$(OPTION_TABLE_H)
romstage-c-deps:=$$(OPTION_TABLE_H)
verstage-c-deps:=$$(OPTION_TABLE_H)
bootblock-c-deps:=$$(OPTION_TABLE_H)
$(foreach type,ads adb, \
$(foreach stage,$(COREBOOT_STANDARD_STAGES), \
$(eval $(stage)-$(type)-deps := $(obj)/libgnat-$(ARCH-$(stage)-y)/libgnat.a)))
# Add handler to copy linker scripts
define generic-objs_ld_template_gen
de$(EMPTY)fine $(1)-objs_ld_template
$$(call src-to-obj,$1,$$(1).ld): $$(1).ld $(obj)/config.h
@printf " CP $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$$(CC_$(1)) -MMD $$(CPPFLAGS_$(1)) $$($(1)-ld-ccopts) $(PREPROCESS_ONLY) -include $(obj)/config.h -MT $$$$@ -o $$$$@ $$$$<
en$(EMPTY)def
endef
# Add handler to deal with archives
define generic-objs_a_template_gen
de$(EMPTY)fine $(1)-objs_a_template
$$(call src-to-obj,$1,$$(1).a): $$(1).a
@printf " AR $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$$$$(AR_$(1)) rcsT $$$$@.tmp $$$$<
mv $$$$@.tmp $$$$@
en$(EMPTY)def
endef
# Add handler to add no rules for manual files
define generic-objs_manual_template_gen
# do nothing
endef
#######################################################################
# Add handler to compile ACPI's ASL
# arg1: base file name
# arg2: y or n for including in cbfs. defaults to y
define asl_template
$(CONFIG_CBFS_PREFIX)/$(1).aml-file = $(obj)/$(1).aml
$(CONFIG_CBFS_PREFIX)/$(1).aml-type = raw
$(CONFIG_CBFS_PREFIX)/$(1).aml-compression = none
cbfs-files-$(if $(2),$(2),y) += $(CONFIG_CBFS_PREFIX)/$(1).aml
-include $(obj)/$(1).d
$(obj)/$(1).aml: $(src)/mainboard/$(MAINBOARDDIR)/$(1).asl $(obj)/config.h
@printf " IASL $$(subst $(top)/,,$$(@))\n"
$(CC_ramstage) -x assembler-with-cpp -E -MMD -MT $$(@) $$(CPPFLAGS_ramstage) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-$(ARCH-ramstage-y))/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$@
cd $$(dir $$@); $(IASL) -we -p $$(notdir $$@) $$(notdir $$@)
if [ -z "$$$$($(IASL) -d $$@ 2>&1 | grep 'ACPI Warning')" ]; then echo " IASL $$@ disassembled correctly."; true; else echo "Error: Could not correctly disassemble $$@"; $(IASL) -d $$@; false; fi
endef
#######################################################################
# Parse plaintext cmos defaults into binary format
# arg1: source file
# arg2: binary file name
cbfs-files-processor-nvramtool= \
$(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
printf " CREATE $(2) (from $(1))\n"; \
$(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && \
mv $(2).tmp $(2))
#######################################################################
# Link VSA binary to ELF-ish stage
# arg1: source file
# arg2: binary file name
cbfs-files-processor-vsa= \
$(eval $(2): $(1) ; \
printf " CREATE $(2) (from $(1))\n"; \
$(OBJCOPY_ramstage) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && \
$(LD_ramstage) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
#######################################################################
# Reduce a .config file to its minimal representation
# arg1: input
# arg2: output
cbfs-files-processor-defconfig= \
$(eval $(2): $(1) $(obj)/build.h; \
+printf " CREATE $(2) (from $(1))\n"; \
printf "\# This image was built using coreboot " > $(2).tmp && \
grep "\<COREBOOT_VERSION\>" $(obj)/build.h |cut -d\" -f2 >> $(2).tmp && \
$(MAKE) DOTCONFIG=$(1) DEFCONFIG=$(2).tmp2 savedefconfig && \
cat $(2).tmp2 >> $(2).tmp && \
rm -f $(2).tmp2 && \
\mv -f $(2).tmp $(2))
#######################################################################
# Compile a C file with a bare struct definition into binary
# arg1: C source file
# arg2: binary file
cbfs-files-processor-struct= \
$(eval $(2): $(1) $(obj)/build.h $(KCONFIG_AUTOHEADER); \
printf " CC+STRIP $(@)\n"; \
$(CC_ramstage) -MMD $(CPPFLAGS_ramstage) $(CFLAGS_ramstage) $$(ramstage-c-ccopts) -include $(KCONFIG_AUTOHEADER) -MT $(2) -o $(2).tmp -c $(1) && \
$(OBJCOPY_ramstage) -O binary $(2).tmp $(2); \
rm -f $(2).tmp) \
$(eval DEPENDENCIES += $(2).d)
#######################################################################
# Add handler for arbitrary files in CBFS
$(call add-special-class,cbfs-files)
cbfs-files-handler= \
$(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
$(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
$(eval tmp-cbfs-file:= ) \
$(if $($(2)-file), \
$(if $(wildcard $(1)$($(2)-file)), \
$(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
$(eval tmp-cbfs-file:= $($(2)-file)))) \
$(if $(strip $($(2)-required)), \
$(if $(wildcard $(tmp-cbfs-file)),, \
$(info This build configuration requires $($(2)-required)) \
$(eval FAILBUILD:=1) \
)) \
$(if $(strip $($(2)-align)), \
$(if $(strip $($(2)-position)), \
$(info ERROR: It is not allowed to specify both alignment and position for $($(2)-file)) \
$(eval FAILBUILD:=1) \
)) \
$(if $(tmp-cbfs-method), \
$(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
$(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
$(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
$(if $(tmp-cbfs-file), \
$(eval cbfs-files += $(subst $(spc),*,$(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$(strip $($(2)-position))|$($(2)-align)|$($(2)-options)))) \
$(eval $(2)-name:=) \
$(eval $(2)-type:=) \
$(eval $(2)-compression:=) \
$(eval $(2)-position:=) \
$(eval $(2)-required:=) \
$(eval $(2)-options:=) \
$(eval $(2)-align:=)
#######################################################################
# a variety of flags for our build
CBFS_COMPRESS_FLAG:=none
ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
CBFS_COMPRESS_FLAG:=LZMA
endif
CBFS_PAYLOAD_COMPRESS_FLAG:=none
ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
endif
ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZ4),y)
CBFS_PAYLOAD_COMPRESS_FLAG:=LZ4
endif
CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=none
ifeq ($(CONFIG_COMPRESS_SECONDARY_PAYLOAD),y)
CBFS_SECONDARY_PAYLOAD_COMPRESS_FLAG:=LZMA
endif
CBFS_PRERAM_COMPRESS_FLAG:=none
ifeq ($(CONFIG_COMPRESS_PRERAM_STAGES),y)
CBFS_PRERAM_COMPRESS_FLAG:=LZ4
endif
ifneq ($(CONFIG_LOCALVERSION),"")
COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
COREBOOT_EXPORTS += COREBOOT_EXTRA_VERSION
endif
CPPFLAGS_common := -Isrc -Isrc/include -Isrc/commonlib/include -I$(obj)
CPPFLAGS_common += -Isrc/device/oprom/include
VBOOT_SOURCE ?= 3rdparty/vboot
CPPFLAGS_common += -I$(VBOOT_SOURCE)/firmware/include
CPPFLAGS_common += -include $(src)/include/kconfig.h
CPPFLAGS_common += -I3rdparty
CFLAGS_common += -pipe -g -nostdinc -std=gnu11
CFLAGS_common += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
CFLAGS_common += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
CFLAGS_common += -Wstrict-aliasing -Wshadow -Wdate-time
CFLAGS_common += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
CFLAGS_common += -ffunction-sections -fdata-sections -fno-pie
ifeq ($(CONFIG_COMPILER_GCC),y)
CFLAGS_common += -fno-delete-null-pointer-checks -fconserve-stack
endif
ADAFLAGS_common += -gnatp
ADAFLAGS_common += -Wuninitialized -Wall -Werror
ADAFLAGS_common += -pipe -g -nostdinc
ADAFLAGS_common += -Wstrict-aliasing -Wshadow
ADAFLAGS_common += -fno-common -fomit-frame-pointer
ADAFLAGS_common += -ffunction-sections -fdata-sections
# Ada warning options:
#
# a Activate most optional warnings.
# .e Activate every optional warnings.
# e Treat warnings and style checks as errors.
#
# D Suppress warnings on implicit dereferences:
# As SPARK does not accept access types we have to map the
# dynamically chosen register locations to a static SPARK
# variable.
#
# .H Suppress warnings on holes/gaps in records:
# We are modelling hardware here!
#
# H Suppress warnings on hiding:
# It's too annoying, you run out of ideas for identifiers fast.
#
# T Suppress warnings for tracking of deleted conditional code:
# We use static options to select code paths at compile time.
#
# U Suppress warnings on unused entities:
# Would have lots of warnings for unused register definitions,
# `withs` for debugging etc.
#
# .U Deactivate warnings on unordered enumeration types:
# As SPARK doesn't support `pragma Ordered` by now, we don't
# use that, yet.
#
# .W Suppress warnings on unnecessary Warnings Off pragmas:
# Things get really messy when you use different compiler
# versions, otherwise.
# .Y Disable information messages for why package spec needs body:
# Those messages are annoying. But don't forget to enable those,
# if you need the information.
ADAFLAGS_common += -gnatwa.eeD.HHTU.U.W.Y
# Disable style checks for now
ADAFLAGS_common += -gnatyN
LDFLAGS_common := --gc-sections -nostdlib -nostartfiles -static --emit-relocs
ifeq ($(CONFIG_COMPILER_GCC),y)
# cf. commit f69a99db (coreboot: x86: enable gc-sections)
CFLAGS_common += -Wno-unused-but-set-variable
endif
ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
CFLAGS_common += -Werror
endif
ifneq ($(GDB_DEBUG),)
CFLAGS_common += -Og
ADAFLAGS_common += -Og
else
CFLAGS_common += -Os
ADAFLAGS_common += -Os
endif
ifeq ($(CONFIG_DEBUG_ADA_CODE),y)
ADAFLAGS_common += -gnata
endif
additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
$(objutil)/ifdfake $(objutil)/options $(objutil)/amdfwtool \
$(objutil)/cbootimage $(objutil)/bimgtool
export $(COREBOOT_EXPORTS)
#######################################################################
# generate build support files
$(obj)/build.h: .xcompile
@printf " GEN build.h\n"
rm -f $(obj)/build.h
util/genbuild_h/genbuild_h.sh > $(obj)/build.ht
mv $(obj)/build.ht $(obj)/build.h
build-dirs:
mkdir -p $(objcbfs) $(objgenerated)
#######################################################################
# Build the tools
CBFSTOOL:=$(objutil)/cbfstool/cbfstool
FMAPTOOL:=$(objutil)/cbfstool/fmaptool
RMODTOOL:=$(objutil)/cbfstool/rmodtool
IFWITOOL:=$(objutil)/cbfstool/ifwitool
$(obj)/cbfstool: $(CBFSTOOL)
cp $< $@
$(obj)/fmaptool: $(FMAPTOOL)
cp $< $@
$(obj)/rmodtool: $(RMODTOOL)
cp $< $@
$(obj)/ifwitool: $(IFWITOOL)
cp $< $@
_WINCHECK=$(shell uname -o 2> /dev/null)
STACK=
ifeq ($(_WINCHECK),Msys)
STACK=-Wl,--stack,16384000
endif
ifeq ($(_WINCHECK),Cygwin)
STACK=-Wl,--stack,16384000
endif
# this allows ccache to prepend itself
# (ccache handling happens first)
ROMCC_BIN= $(objutil)/romcc/romcc
ROMCC?=$(ROMCC_BIN)
$(ROMCC_BIN): $(top)/util/romcc/romcc.c
@printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
@# Note: Adding -O2 here might cause problems. For details see:
@# https://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
$(HOSTCC) -g $(STACK) -Wall -o $@ $<
BINCFG:=$(objutil)/bincfg/bincfg
IFDTOOL:=$(objutil)/ifdtool/ifdtool
$(IFDTOOL):
@printf " Compile IFDTOOL\n"
+$(MAKE) -C $(top)/util/ifdtool
cp -a $(top)/util/ifdtool/ifdtool $@
IFDFAKE:=$(objutil)/ifdfake/ifdfake
$(IFDFAKE): $(top)/util/ifdfake/ifdfake.c
@printf " HOSTCC $(subst $(obj)/,,$(@))\n"
$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
AMDFWTOOL:=$(objutil)/amdfwtool/amdfwtool
$(AMDFWTOOL): $(top)/util/amdfwtool/amdfwtool.c
@printf " HOSTCC $(subst $(obj)/,,$(@))\n"
$(HOSTCC) $(HOSTCFLAGS) -DCONFIG_ROM_SIZE=$(CONFIG_ROM_SIZE) -o $@ $<
CBOOTIMAGE:=$(objutil)/cbootimage/cbootimage
FUTILITY?=$(objutil)/futility/futility
subdirs-y += util/nvidia
BIMGTOOL:=$(objutil)/bimgtool/bimgtool
$(BIMGTOOL): $(top)/util/bimgtool/bimgtool.c
@printf " HOSTCC $(subst $(obj)/,,$(@))\n"
$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
$(obj)/config.h: $(objutil)/kconfig/conf
#######################################################################
# needed objects that every mainboard uses
# Creation of these is architecture and mainboard independent
DEVICETREE_FILE := $(src)/mainboard/$(MAINBOARDDIR)/$(CONFIG_DEVICETREE)
DEVICETREE_STATIC_C := $(obj)/mainboard/$(MAINBOARDDIR)/static.c
$(DEVICETREE_STATIC_C): $(DEVICETREE_FILE) $(objutil)/sconfig/sconfig
@printf " SCONFIG $(subst $(src)/,,$(<))\n"
mkdir -p $(dir $(DEVICETREE_STATIC_C))
$(objutil)/sconfig/sconfig $(DEVICETREE_FILE) $(DEVICETREE_STATIC_C)
ramstage-y+=$(DEVICETREE_STATIC_C)
romstage-y+=$(DEVICETREE_STATIC_C)
verstage-y+=$(DEVICETREE_STATIC_C)
bootblock-y+=$(DEVICETREE_STATIC_C)
postcar-y+=$(DEVICETREE_STATIC_C)
#######################################################################
# Clean up rules
clean-abuild:
rm -rf coreboot-builds
clean-for-update-target: clean-payloads
rm -f $(obj)/ramstage?* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
rm -rf $(obj)/bootblock?* $(obj)/romstage?* $(obj)/location.*
rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/dsdt.*
rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
clean-target:
rm -f $(obj)/coreboot*
#######################################################################
# Development utilities
printcrt0s:
@echo crt0s=$(crt0s)
@echo ldscripts=$(ldscripts)
update:
dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
gitconfig:
util/gitconfig/gitconfig.sh "$(MAKE)"
include util/crossgcc/Makefile.inc
.PHONY: tools
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)
###########################################################################
# Common recipes for all stages
###########################################################################
# loadaddr can determine the load address of a stage, which may be needed for
# platform-specific image headers (only works *after* the stage has been built)
loadaddr = $(shell $(OBJDUMP_$(1)) -p $(objcbfs)/$(1).debug | \
sed -ne '/LOAD/s/^.*vaddr 0x\([0-9a-fA-F]\{8\}\).*$$/0x\1/p')
# find-substr is required for stages like romstage_null and romstage_xip to
# eliminate the _* part of the string
find-substr = $(word 1,$(subst _, ,$(1)))
# find-class is used to identify the class from the name of the stage
# The input to this macro can be something like romstage.x or romstage.x.y
# find-class recursively strips off the suffixes to extract the exact class name
# e.g.: if romstage.x is provided to find-class, it will remove .x and return romstage
# if romstage.x.y is provided, it will first remove .y, call find-class with romstage.x
# and remove .x the next time and finally return romstage
find-class = $(if $(filter $(1),$(basename $(1))),$(if $(CC_$(1)), $(1), $(call find-substr,$(1))),$(call find-class,$(basename $(1))))
# Bootblocks are not CBFS stages. coreboot is currently expecting the bss to
# be cleared by the loader of the stage. For ARM SoCs that means one needs to
# include the bss section in the binary so the BootROM clears the bss on
# loading of the bootblock stage. Achieve this by marking the bss section
# loadable,allocatable, and data. Do the same for the .data section in case
# it's marked as NOBITS.
$(objcbfs)/bootblock.raw.bin: $(objcbfs)/bootblock.elf
@printf " OBJCOPY $(notdir $(@))\n"
$(OBJCOPY_bootblock) --set-section-flags .bss=load,alloc,data --set-section-flags .data=load,alloc,data $< $<.tmp
$(OBJCOPY_bootblock) -O binary $<.tmp $@
$(objcbfs)/%.bin: $(objcbfs)/%.raw.bin
cp $< $@
$(objcbfs)/%.elf: $(objcbfs)/%.debug
$(eval class := $(call find-class,$(@F)))
@printf " OBJCOPY $(subst $(obj)/,,$(@))\n"
cp $< $@.tmp
$(NM_$(class)) -n $@.tmp | sort > $(basename $@).map
$(OBJCOPY_$(class)) --strip-debug $@.tmp
$(OBJCOPY_$(class)) --add-gnu-debuglink=$< $@.tmp
mv $@.tmp $@
###########################################################################
# Build the final rom image
###########################################################################
# extract_nth - Return a subsection of the $file string
#
# the input string looks like this:
# ./build/cbfs/fallback/romstage.elf|fallback/romstage|stage|none||64|--xip*-S*.car.data*-P*0x10000
#
# Sections:
# 1 - Path and name of file [FILENAME: Added to cbfs-files-y list variable]
# 2 - Name of file in cbfs [$(FILENAME)-file]
# 3 - File type: [$(FILENAME)-type]
# bootblock, cbfs header, stage, payload, optionrom, bootsplash, raw, vsa,
# mbi, microcode, fsp, mrc, cmos_default, cmos_layout, spd, mrc_cache,
# mma, efi, deleted, null
# 4 - Compression type [$(FILENAME)-compression]
# none, LZMA
# 5 - Base address [$(FILANAME)-position]
# 6 - Alignment [$(FILENAME)-align]
# 7 - cbfstool flags [$(FILENAME)-options]
#
# Input:
# $(1) = Section to extract
# $(2) = Input string
#
# Steps:
# 1) replace all '|' characters with the sequence '- -' within the full string, prepended and appended with the character '-'
# 2) extract the specified section from the string - this gets us the section surrounded by '-' characters
# 3) remove the leading and trailing '-' characters
# 4) replace all '*' characters with spaces
extract_nth=$(subst *,$(spc),$(patsubst -%-,%,$(word $(1), $(subst |,- -,-$(2)-))))
# regions-for-file - Returns a cbfstool regions parameter
# $(call regions-for-file,$(filename))
# returns "REGION1,REGION2,..."
#
# This is the default implementation. When using a boot strategy employing
# multiple CBFSes in fmap regions, override it.
regions-for-file ?= COREBOOT
ifeq ($(CONFIG_CBFS_AUTOGEN_ATTRIBUTES),y)
cbfs-autogen-attributes=-g
endif
# cbfs-add-cmd-for-region
# $(call cbfs-add-cmd-for-region,file in extract_nth format,region name)
define cbfs-add-cmd-for-region
$(CBFSTOOL) $@.tmp \
add$(if $(filter stage,$(call extract_nth,3,$(1))),-stage)$(if \
$(filter payload,$(call extract_nth,3,$(1))),-payload)$(if \
$(filter flat-binary,$(call extract_nth,3,$(1))),-flat-binary) \
-f $(call extract_nth,1,$(1)) \
-n $(call extract_nth,2,$(1)) \
$(if $(filter-out flat-binary,$(filter-out stage,$(call \
extract_nth,3,$(1)))),-t $(call extract_nth,3,$(1))) \
$(if $(call extract_nth,4,$(1)),-c $(call extract_nth,4,$(1))) \
$(cbfs-autogen-attributes) \
-r $(2) \
$(if $(call extract_nth,6,$(1)),-a $(call extract_nth,6,$(file)), \
$(if $(call extract_nth,5,$(file)),-b $(call extract_nth,5,$(file)))) \
$(call extract_nth,7,$(1))
endef
# Empty line before endef is necessary so cbfs-add-cmd-for-region ends in a
# newline
# cbfs-add-cmd
# $(call cbfs-add-cmd,
# file in extract_nth format,
# region name,
# non-empty if file removal requested)
define cbfs-add-cmd
printf " CBFS $(call extract_nth,2,$(1))\n"
$(if $(3),-$(CBFSTOOL) $@.tmp remove -n $(call extract_nth,2,$(file)) 2>/dev/null)
$(call cbfs-add-cmd-for-region,$(1),$(2))
endef
# list of files to add (using their file system names, not CBFS names),
# for dependencies etc.
prebuilt-files = $(foreach file,$(cbfs-files), $(call extract_nth,1,$(file)))
# $(all-regions)
# returns full list of fmap regions that we add files to
all-regions = $(sort $(subst $(comma),$(spc), \
$(foreach file,$(cbfs-files), \
$(call regions-for-file,$(call extract_nth,2,$(file))))))
# $(call all-files-in-region,region name)
# returns elements in $(cbfs-files) that end up in that region, in the order
# they appear in $(cbfs-files)
all-files-in-region = $(foreach file,$(cbfs-files), \
$(if $(filter $(1), \
$(subst $(comma),$(spc),$(call regions-for-file,$(call extract_nth,2,$(file))))), \
$(file)))
# $(call update-file-for-region,file string from $(cbfs-files),region name)
# Update position and alignment according to overrides for region
# Doesn't check for invalid configurations (eg. resetting neither or both
# position and align)
# Returns the updated file string
update-file-for-region = \
$(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)))
# $(call placed-files-in-region,region name)
# like all-files-in-region, but updates the files to contain region overrides
# to position or alignment.
placed-files-in-region = $(foreach file,$(call all-files-in-region,$(1)), \
$(if $($(call extract_nth,2,$(file))-$(1)-position), \
$(if $($(call extract_nth,2,$(file))-$(1)-align), \
$(error It is not allowed to specify both alignment and position for $(call extract_nth,2,$(file))-$(1))) \
$(call update-file-for-region,$(file),$(1)), \
$(if $($(call extract_nth,2,$(file))-$(1)-align), \
$(call update-file-for-region,$(file),$(1)), \
$(file))))
# $(call sort-files,subset of $(cbfs-files))
# reorders the files in the given set to list files at fixed positions first,
# followed by aligned files and finally those with no constraints.
sort-files = \
$(eval _tmp_fixed:=) \
$(eval _tmp_aligned:=) \
$(eval _tmp_regular:=) \
$(foreach file,$(1), \
$(if $(call extract_nth,5,$(file)),\
$(eval _tmp_fixed += $(file)), \
$(if $(call extract_nth,6,$(file)), \
$(eval _tmp_aligned += $(file)), \
$(eval _tmp_regular += $(file))))) \
$(_tmp_fixed) $(_tmp_aligned) $(_tmp_regular)
# command list to add files to CBFS
prebuild-files = $(foreach region,$(all-regions), \
$(foreach file, \
$(call sort-files,$(call placed-files-in-region,$(region))), \
$(call cbfs-add-cmd,$(file),$(region),$(CONFIG_UPDATE_IMAGE))))
ifeq ($(CONFIG_FMDFILE),)
# For a description of the flash layout described by these variables, check
# the $(DEFAULT_FLASHMAP) .fmd files.
ifeq ($(CONFIG_ARCH_X86),y)
DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default-x86.fmd
# entire flash
FMAP_ROM_ADDR := $(call int-subtract, 0x100000000 $(CONFIG_ROM_SIZE))
FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
# entire "BIOS" region (everything directly of concern to the host system)
# relative to ROM_BASE
FMAP_BIOS_BASE := $(call int-subtract, $(CONFIG_ROM_SIZE) $(CONFIG_CBFS_SIZE))
FMAP_BIOS_SIZE := $(shell echo $(CONFIG_CBFS_SIZE) | tr A-F a-f)
# position and size of flashmap, relative to BIOS_BASE
FMAP_FMAP_BASE := 0
FMAP_FMAP_SIZE := 0x200
#
# X86 CONSOLE FMAP region
#
# position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
FMAP_CONSOLE_BASE := 0
FMAP_CONSOLE_SIZE := 0
FMAP_CONSOLE_ENTRY :=
endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
#
# X86 RW_MRC_CACHE FMAP region
#
# position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
$(FMAP_CONSOLE_SIZE)), 0x10000)
else
FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
$(FMAP_FMAP_SIZE)), 0x10000)
endif
FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
FMAP_MRC_CACHE_BASE := 0
FMAP_MRC_CACHE_SIZE := 0
FMAP_MRC_CACHE_ENTRY :=
endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
#
# X86 COREBOOT default cbfs FMAP region
#
# position and size of CBFS, relative to BIOS_BASE
ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
FMAP_CBFS_BASE := $(call int-add, $(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE))
else
FMAP_CBFS_BASE := $(call int-add, $(FMAP_CONSOLE_SIZE) $(FMAP_FMAP_SIZE))
endif
FMAP_CBFS_SIZE := $(call int-subtract, $(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
else # ifeq ($(CONFIG_ARCH_X86),y)
DEFAULT_FLASHMAP:=$(top)/util/cbfstool/default.fmd
# entire flash
FMAP_ROM_ADDR := 0
FMAP_ROM_SIZE := $(CONFIG_ROM_SIZE)
# entire "BIOS" region (everything directly of concern to the host system)
# relative to ROM_BASE
FMAP_BIOS_BASE := 0
FMAP_BIOS_SIZE := $(CONFIG_CBFS_SIZE)
# position and size of flashmap, relative to BIOS_BASE
FMAP_FMAP_BASE := 0x20000
FMAP_FMAP_SIZE := 0x100
#
# NON-X86 CONSOLE FMAP region
#
# position, size and entry line of CONSOLE relative to BIOS_BASE, if enabled
ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
FMAP_CONSOLE_BASE := $(call int-add, $(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE))
FMAP_CONSOLE_SIZE := $(CONFIG_CONSOLE_SPI_FLASH_BUFFER_SIZE)
FMAP_CONSOLE_ENTRY := CONSOLE@$(FMAP_CONSOLE_BASE) $(FMAP_CONSOLE_SIZE)
else # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
FMAP_CONSOLE_BASE := 0
FMAP_CONSOLE_SIZE := 0
FMAP_CONSOLE_ENTRY :=
endif # ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
#
# NON-X86 RW_MRC_CACHE FMAP region
#
# position, size and entry line of MRC_CACHE relative to BIOS_BASE, if enabled
ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
ifeq ($(CONFIG_CONSOLE_SPI_FLASH),y)
FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_CONSOLE_BASE) \
$(FMAP_CONSOLE_SIZE)), 0x10000)
else
FMAP_MRC_CACHE_BASE := $(call int-align, $(call int-add, $(FMAP_FMAP_BASE) \
$(FMAP_FMAP_SIZE)), 0x10000)
endif
FMAP_MRC_CACHE_SIZE := $(CONFIG_MRC_SETTINGS_CACHE_SIZE)
FMAP_MRC_CACHE_ENTRY := RW_MRC_CACHE@$(FMAP_MRC_CACHE_BASE) $(FMAP_MRC_CACHE_SIZE)
else # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
FMAP_MRC_CACHE_BASE := 0
FMAP_MRC_CACHE_SIZE := 0
FMAP_MRC_CACHE_ENTRY :=
endif # ifeq ($(CONFIG_CACHE_MRC_SETTINGS),y)
#
# NON-X86 COREBOOT default cbfs FMAP region
#
# position and size of CBFS, relative to BIOS_BASE
FMAP_CBFS_BASE := $(call int-add,$(FMAP_FMAP_BASE) $(FMAP_FMAP_SIZE) $(FMAP_CONSOLE_SIZE) \
$(FMAP_MRC_CACHE_SIZE))
FMAP_CBFS_SIZE := $(call int-subtract,$(FMAP_BIOS_SIZE) $(FMAP_CBFS_BASE))
endif # ifeq ($(CONFIG_ARCH_X86),y)
$(obj)/fmap.fmd: $(top)/Makefile.inc $(DEFAULT_FLASHMAP) $(obj)/config.h
sed -e "s,##ROM_BASE##,$(FMAP_ROM_ADDR)," \
-e "s,##ROM_SIZE##,$(FMAP_ROM_SIZE)," \
-e "s,##BIOS_BASE##,$(FMAP_BIOS_BASE)," \
-e "s,##BIOS_SIZE##,$(FMAP_BIOS_SIZE)," \
-e "s,##FMAP_BASE##,$(FMAP_FMAP_BASE)," \
-e "s,##FMAP_SIZE##,$(FMAP_FMAP_SIZE)," \
-e "s,##CONSOLE_ENTRY##,$(FMAP_CONSOLE_ENTRY)," \
-e "s,##MRC_CACHE_ENTRY##,$(FMAP_MRC_CACHE_ENTRY)," \
-e "s,##CBFS_BASE##,$(FMAP_CBFS_BASE)," \
-e "s,##CBFS_SIZE##,$(FMAP_CBFS_SIZE)," \
$(DEFAULT_FLASHMAP) > $@.tmp
mv $@.tmp $@
else # ifeq ($(CONFIG_FMDFILE),)
$(obj)/fmap.fmd: $(CONFIG_FMDFILE) $(obj)/config.h
$(HOSTCC) $(PREPROCESS_ONLY) -include $(obj)/config.h $< -o $@.pre
mv $@.pre $@
endif # ifeq ($(CONFIG_FMDFILE),)
# generated at the same time as fmap.fmap
$(obj)/fmap_config.h: $(obj)/fmap.fmap
$(obj)/fmap.desc: $(obj)/fmap.fmap
$(obj)/fmap.fmap: $(obj)/fmap.fmd $(FMAPTOOL)
echo " FMAP $(FMAPTOOL) -h $(obj)/fmap_config.h $< $@"
$(FMAPTOOL) -h $(obj)/fmap_config.h -R $(obj)/fmap.desc $< $@
ifneq ($(CONFIG_UPDATE_IMAGE),y)
$(obj)/coreboot.pre: $(objcbfs)/bootblock.bin $$(prebuilt-files) $(CBFSTOOL) $$(cpu_ucode_cbfs_file) $(obj)/fmap.fmap $(obj)/fmap.desc
$(CBFSTOOL) $@.tmp create -M $(obj)/fmap.fmap -r $(shell cat $(obj)/fmap.desc)
ifeq ($(CONFIG_ARCH_X86),y)
$(CBFSTOOL) $@.tmp add \
-f $(objcbfs)/bootblock.bin \
-n bootblock \
-t bootblock \
-b -$(call file-size,$(objcbfs)/bootblock.bin) $(cbfs-autogen-attributes)
else # ifeq ($(CONFIG_ARCH_X86),y)
$(CBFSTOOL) $@.tmp write -u \
-r BOOTBLOCK \
-f $(objcbfs)/bootblock.bin
# make space for the CBFS master header pointer. "ptr_" is just
# arbitrary 4 bytes that will be overwritten by add-master-header.
printf "ptr_" > $@.tmp.2
$(CBFSTOOL) $@.tmp add \
-f $@.tmp.2 \
-n "header pointer" \
-t "cbfs header" \
-b -4
rm -f $@.tmp.2
endif # ifeq ($(CONFIG_ARCH_X86),y)
$(CBFSTOOL) $@.tmp add-master-header
$(prebuild-files) true
mv $@.tmp $@
else # ifneq ($(CONFIG_UPDATE_IMAGE),y)
.PHONY: $(obj)/coreboot.pre
$(obj)/coreboot.pre: $$(prebuilt-files) $(CBFSTOOL)
mv $(obj)/coreboot.rom $@.tmp || \
(echo "Error: You have UPDATE_IMAGE set in Kconfig, but have no existing image to update." && \
echo "Exiting." && \
false)
$(prebuild-files) true
mv $@.tmp $@
endif # ifneq ($(CONFIG_UPDATE_IMAGE),y)
ifeq ($(CONFIG_HAVE_REFCODE_BLOB),y)
REFCODE_BLOB=$(obj)/refcode.rmod
$(REFCODE_BLOB): $(RMODTOOL)
$(RMODTOOL) -i $(CONFIG_REFCODE_BLOB_FILE) -o $@
endif
$(obj)/coreboot.rom: $(obj)/coreboot.pre $(objcbfs)/ramstage.elf $(CBFSTOOL) $$(INTERMEDIATE)
@printf " CBFS $(subst $(obj)/,,$(@))\n"
# The full ROM may be larger than the CBFS part, so create an empty
# file (filled with \377 = 0xff) and copy the CBFS image over it.
dd if=/dev/zero bs=$(call _toint,$(CONFIG_ROM_SIZE)) count=1 2> /dev/null | tr '\000' '\377' > $@.tmp
dd if=$(obj)/coreboot.pre of=$@.tmp bs=8192 conv=notrunc 2> /dev/null
ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),)
ifneq ($(CONFIG_SEABIOS_PS2_TIMEOUT),0)
ifneq ($(CONFIG_UPDATE_IMAGE),y)
@printf " SeaBIOS Wait up to $(CONFIG_SEABIOS_PS2_TIMEOUT) ms for PS/2 keyboard controller initialization\n"
$(CBFSTOOL) $@.tmp add-int -i $(CONFIG_SEABIOS_PS2_TIMEOUT) -n etc/ps2-keyboard-spinup
endif
endif
endif
ifeq ($(CONFIG_CPU_INTEL_FIRMWARE_INTERFACE_TABLE),y)
ifeq ($(CONFIG_CPU_MICROCODE_CBFS_EXTERNAL_HEADER),y)
@printf " UPDATE-FIT\n"
$(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
endif
ifeq ($(CONFIG_CPU_MICROCODE_CBFS_GENERATE),y)
@printf " UPDATE-FIT\n"
$(CBFSTOOL) $@.tmp update-fit -n cpu_microcode_blob.bin -x $(CONFIG_CPU_INTEL_NUM_FIT_ENTRIES)
endif
endif
mv $@.tmp $@
@printf " CBFSLAYOUT $(subst $(obj)/,,$(@))\n\n"
$(CBFSTOOL) $@ layout
@printf " CBFSPRINT $(subst $(obj)/,,$(@))\n\n"
$(CBFSTOOL) $@ print -r $(subst $(spc),$(comma),$(all-regions))
cbfs-files-y += $(CONFIG_CBFS_PREFIX)/romstage
$(CONFIG_CBFS_PREFIX)/romstage-file := $(objcbfs)/romstage.elf
$(CONFIG_CBFS_PREFIX)/romstage-type := stage
$(CONFIG_CBFS_PREFIX)/romstage-compression := $(CBFS_PRERAM_COMPRESS_FLAG)
ifeq ($(CONFIG_ARCH_ROMSTAGE_ARM),y)
$(CONFIG_CBFS_PREFIX)/romstage-options := -b 0
endif
ifeq ($(CONFIG_ARCH_ROMSTAGE_X86_32)$(CONFIG_ARCH_ROMSTAGE_X86_64),y)
# Use a 64 byte alignment to provide a minimum alignment
# requirement for the overall romstage. While the first object within
# romstage could have a 4 byte minimum alignment that doesn't mean the linker
# won't decide the entire section should be aligned to a larger value. In the
# future cbfstool should add XIP files proper and honor the alignment