a15cd66b9e
On newer Intel systems, the flash ROM is shared between the host processor (BIOS), it's Management Engine (ME) and an integrated ethernet controller (GbE). The layout of the flash ROM (and other information) is kept in the so called Intel Firmware Descriptor (IFD). If we only want to build coreboot to update the BIOS section, all we need is the flash layout. This patch adds the option to specify the flash layout in the mainboard's Kconfig, and thus, to build without the real IFD. However, with such a build, one has to make sure that the IFD section on the flash ROM won't be written over (nor any other section that hasn't been included by coreboot). A patch to write selected sections of a flash ROM with IFD has been sent to the flashrom mailing list [1]. [1] http://www.flashrom.org/pipermail/flashrom/2013-June/011083.html Change-Id: Ia23e439a00a197fb54852263f8e206f16c3e8851 Signed-off-by: Nico Huber <nico.huber@secunet.com> Reviewed-on: http://review.coreboot.org/3524 Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
381 lines
16 KiB
Makefile
381 lines
16 KiB
Makefile
##
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## This file is part of the coreboot project.
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##
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## Copyright (C) 2011 secunet Security Networks AG
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##
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## This program is free software; you can redistribute it and/or modify
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## it under the terms of the GNU General Public License as published by
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## the Free Software Foundation; version 2 of the License.
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##
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## This program is distributed in the hope that it will be useful,
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## but WITHOUT ANY WARRANTY; without even the implied warranty of
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## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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## GNU General Public License for more details.
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##
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## You should have received a copy of the GNU General Public License
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## along with this program; if not, write to the Free Software
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## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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##
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#######################################################################
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# misleadingly named, this is the coreboot version
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export KERNELVERSION := $(shell if [ -d "$(top)/.git" -a -f "`which git`" ]; \
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then git describe --dirty --always || git describe; \
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else echo 4.0$(KERNELREVISION); fi)
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#######################################################################
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# Basic component discovery
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MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
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export MAINBOARDDIR
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## Final build results, which CBFSTOOL uses to create the final
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## rom image file, are placed under $(objcbfs).
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## These typically have suffixes .debug .elf .bin and .map
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export objcbfs := $(obj)/cbfs/$(call strip_quotes,$(CONFIG_CBFS_PREFIX))
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## Based on the active configuration, Makefile conditionally collects
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## the required assembly includes and saves them in a file.
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## Such files that do not have a clear one-to-one relation to a source
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## file under src/ are placed and built under $(objgenerated)
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export objgenerated := $(obj)/generated
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#######################################################################
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# root rule to resolve if in build mode (ie. configuration exists)
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real-target: $(obj)/config.h coreboot
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coreboot: build-dirs $(obj)/coreboot.rom
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#######################################################################
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# our phony targets
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PHONY+= clean-abuild coreboot lint lint-stable build-dirs
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#######################################################################
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# root source directories of coreboot
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subdirs-y := src/lib src/console src/device src/ec src/southbridge
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subdirs-y += src/northbridge src/superio src/drivers src/cpu src/vendorcode
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subdirs-y += util/cbfstool util/sconfig util/nvramtool
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subdirs-y += src/arch/$(ARCHDIR-y)
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subdirs-y += src/mainboard/$(MAINBOARDDIR)
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subdirs-y += site-local
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#######################################################################
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# Add source classes and their build options
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classes-y := ramstage romstage bootblock smm smmstub cpu_microcode rmodules
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#######################################################################
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# Helper functions for ramstage postprocess
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spc :=
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spc +=
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$(spc) :=
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$(spc) +=
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# files-in-dir-recursive,dir,files
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files-in-dir-recursive=$(filter $(1)%,$(2))
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# parent-dir,dir/
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parent-dir=$(dir $(subst $( ),/,$(strip $(subst /, ,$(1)))))
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# filters out exactly the directory specified
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# filter-out-dir,dir_to_keep,dirs
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filter-out-dir=$(filter-out $(1),$(2))
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# filters out dir_to_keep and all its parents
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# filter-out-dirs,dir_to_keep,dirs
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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),$(2)))
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# dir-wildcards,dirs
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dir-wildcards=$(addsuffix %,$(1))
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# files-in-dir,dir,files
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files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(dir $(2)))),$(call files-in-dir-recursive,$(1),$(2)))
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#######################################################################
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# reduce command line length by linking the objects of each
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# directory into an intermediate file
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ramstage-postprocess=$(foreach d,$(sort $(dir $(1))), \
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$(eval $(d)ramstage.o: $(call files-in-dir,$(d),$(1)); $$(LD) -o $$@ -r $$^ ) \
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$(eval ramstage-objs:=$(d)ramstage.o $(filter-out $(call files-in-dir,$(d),$(1)),$(ramstage-objs))))
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romstage-c-ccopts:=-D__PRE_RAM__
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romstage-S-ccopts:=-D__PRE_RAM__
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ifeq ($(CONFIG_TRACE),y)
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ramstage-c-ccopts:= -finstrument-functions
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endif
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ifeq ($(CONFIG_COVERAGE),y)
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ramstage-c-ccopts+=-fprofile-arcs -ftest-coverage
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endif
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ifeq ($(CONFIG_USE_BLOBS),y)
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forgetthis:=$(shell git submodule update --init --checkout 3rdparty)
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endif
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bootblock-c-ccopts:=-D__BOOT_BLOCK__ -D__PRE_RAM__
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bootblock-S-ccopts:=-D__BOOT_BLOCK__ -D__PRE_RAM__
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smmstub-c-ccopts:=-D__SMM__
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smmstub-S-ccopts:=-D__SMM__
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smm-c-ccopts:=-D__SMM__
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smm-S-ccopts:=-D__SMM__
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# SMM TSEG base is dynamic
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ifneq ($(CONFIG_SMM_MODULES),y)
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ifeq ($(CONFIG_SMM_TSEG),y)
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smm-c-ccopts += -fpic
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endif
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endif
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ramstage-c-deps:=$$(OPTION_TABLE_H)
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romstage-c-deps:=$$(OPTION_TABLE_H)
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bootblock-c-deps:=$$(OPTION_TABLE_H)
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#######################################################################
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# Add handler to compile ACPI's ASL
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define ramstage-objs_asl_template
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$(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
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@printf " IASL $$(subst $(top)/,,$$(@))\n"
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$(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
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cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
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mv $$(basename $$@).hex $$(basename $$@).c
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$(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
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# keep %.o: %.c rule from catching the temporary .c file after a make clean
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mv $$(basename $$@).c $$(basename $$@).hex
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endef
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#######################################################################
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# Parse plaintext cmos defaults into binary format
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# arg1: source file
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# arg2: binary file name
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cbfs-files-processor-nvramtool= \
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$(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
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printf " CREATE $(2) (from $(1))\n"; $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && mv $(2).tmp $(2))
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#######################################################################
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# Link VSA binary to ELF-ish stage
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# arg1: source file
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# arg2: binary file name
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cbfs-files-processor-vsa= \
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$(eval $(2): $(1) ; \
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printf " CREATE $(2) (from $(1))\n"; $(OBJCOPY) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && $(LD) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
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#######################################################################
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# Add handler for arbitrary files in CBFS
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$(call add-special-class,cbfs-files)
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cbfs-files-handler= \
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$(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
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$(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
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$(if $(wildcard $(1)$($(2)-file)), \
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$(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
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$(eval tmp-cbfs-file:= $($(2)-file))) \
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$(if $(strip $($(2)-required)), \
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$(if $(wildcard $(tmp-cbfs-file)),, \
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$(info This build configuration requires $($(2)-required)) \
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$(eval FAILBUILD:=1) \
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)) \
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$(if $(tmp-cbfs-method), \
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$(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
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$(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
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$(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
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$(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$($(2)-position)) \
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$(eval $(2)-name:=) \
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$(eval $(2)-type:=) \
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$(eval $(2)-compression:=) \
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$(eval $(2)-position:=) \
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$(eval $(2)-required:=)
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#######################################################################
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# a variety of flags for our build
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CBFS_COMPRESS_FLAG:=none
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ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
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CBFS_COMPRESS_FLAG:=LZMA
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endif
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CBFS_PAYLOAD_COMPRESS_FLAG:=none
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ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
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CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
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endif
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ifneq ($(CONFIG_LOCALVERSION),"")
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COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
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endif
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INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
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INCLUDES += -Isrc/device/oprom/include
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# abspath is a workaround for romcc
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INCLUDES += -include $(src)/include/kconfig.h
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CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
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CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
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CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
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CFLAGS += -Wstrict-aliasing -Wshadow
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ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
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CFLAGS += -Werror
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endif
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CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
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additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
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$(objutil)/ifdfake $(objutil)/options
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#######################################################################
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# generate build support files
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$(obj)/build.h: .xcompile
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@printf " GEN build.h\n"
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rm -f $(obj)/build.h
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printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
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printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
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printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
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printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_BUILD_YEAR_BCD 0x`LANG= date +"%y"`\n" >> $(obj)/build.ht
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printf "#define COREBOOT_BUILD_MONTH_BCD 0x`LANG= date +"%m"`\n" >> $(obj)/build.ht
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printf "#define COREBOOT_BUILD_DAY_BCD 0x`LANG= date +"%d"`\n" >> $(obj)/build.ht
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printf "#define COREBOOT_BUILD_WEEKDAY_BCD 0x`LANG= date +"%w"`\n" >> $(obj)/build.ht
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printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
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printf "\n" >> $(obj)/build.ht
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printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null || hostname 2>/dev/null)\"\n" >> $(obj)/build.ht
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printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
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printf "#endif\n" >> $(obj)/build.ht
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mv $(obj)/build.ht $(obj)/build.h
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$(obj)/ldoptions: $(obj)/config.h
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awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
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build-dirs:
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mkdir -p $(objcbfs) $(objgenerated)
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#######################################################################
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# Build the tools
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CBFSTOOL:=$(obj)/cbfstool
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$(CBFSTOOL): $(objutil)/cbfstool/cbfstool
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cp $< $@
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_WINCHECK=$(shell uname -o 2> /dev/null)
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STACK=
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ifeq ($(_WINCHECK),Msys)
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STACK=-Wl,--stack,16384000
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endif
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ifeq ($(_WINCHECK),Cygwin)
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STACK=-Wl,--stack,16384000
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endif
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ROMCC:= $(objutil)/romcc/romcc
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$(ROMCC): $(top)/util/romcc/romcc.c
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@printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
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@# Note: Adding -O2 here might cause problems. For details see:
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@# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
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$(HOSTCC) -g $(STACK) -Wall -o $@ $<
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IFDTOOL:=$(objutil)/ifdtool/ifdtool
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$(IFDTOOL): $(top)/util/ifdtool/ifdtool.c
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@printf " HOSTCC $(subst $(obj)/,,$(@))\n"
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$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
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IFDFAKE:=$(objutil)/ifdfake/ifdfake
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$(IFDFAKE): $(top)/util/ifdfake/ifdfake.c
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@printf " HOSTCC $(subst $(obj)/,,$(@))\n"
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$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
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#######################################################################
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# needed objects that every mainboard uses
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# Creation of these is architecture and mainboard independent
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$(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig
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@printf " SCONFIG $(subst $(src)/,,$(<))\n"
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mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
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$(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
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ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
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romstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
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$(objutil)/%.o: $(objutil)/%.c
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@printf " HOSTCC $(subst $(objutil)/,,$(@))\n"
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$(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
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$(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
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@printf " CC $(subst $(obj)/,,$(@))\n"
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$(CC) -MMD $(CFLAGS) -c -o $@ $<
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$(obj)/%.romstage.o $(abspath $(obj))/%.romstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
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@printf " CC $(subst $(obj)/,,$(@))\n"
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$(CC) -MMD -D__PRE_RAM__ $(CFLAGS) -c -o $@ $<
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$(obj)/%.bootblock.o $(abspath $(obj))/%.bootblock.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
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@printf " CC $(subst $(obj)/,,$(@))\n"
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$(CC) -MMD $(bootblock-c-ccopts) $(CFLAGS) -c -o $@ $<
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#######################################################################
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# Clean up rules
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clean-abuild:
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rm -rf coreboot-builds
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clean-for-update-target:
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rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
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rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
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rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
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rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
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rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
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rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
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rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
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rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
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$(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean OUT=$(abspath $(obj)) HOSTCC="$(HOSTCC)" CC="$(CC)" LD="$(LD)"
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clean-target:
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rm -f $(obj)/coreboot*
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#######################################################################
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# Development utilities
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printcrt0s:
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@echo crt0s=$(crt0s)
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@echo ldscripts=$(ldscripts)
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update:
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dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
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lint lint-stable:
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FAILED=0; LINTLOG=`mktemp .tmpconfig.lintXXXXX`; \
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for script in util/lint/$@-*; do \
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echo; echo `basename $$script`; \
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grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
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echo ========; \
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$$script > $$LINTLOG; \
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if [ `cat $$LINTLOG | wc -l` -eq 0 ]; then \
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printf "success\n\n"; \
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else \
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echo test failed: ; \
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cat $$LINTLOG; \
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rm -f $$LINTLOG; \
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FAILED=$$(( $$FAILED + 1 )); \
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fi; \
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echo ========; \
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done; \
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test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." && exit 1; }; \
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rm -f $$LINTLOG
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gitconfig:
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mkdir -p .git/hooks
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for hook in commit-msg pre-commit ; do \
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if [ util/gitconfig/$$hook -nt .git/hooks/$$hook -o \
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! -x .git/hooks/$$hook ]; then \
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cp util/gitconfig/$$hook .git/hooks/$$hook; \
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chmod +x .git/hooks/$$hook; \
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fi; \
|
|
done
|
|
git config remote.origin.push HEAD:refs/for/master
|
|
(git config --global user.name >/dev/null && git config --global user.email >/dev/null) || (printf 'Please configure your name and email in git:\n\n git config --global user.name "Your Name Comes Here"\n git config --global user.email your.email@example.com\n'; exit 1)
|
|
|
|
crossgcc: clean-for-update
|
|
$(MAKE) -C util/crossgcc build-without-gdb
|
|
|
|
crosstools: clean-for-update
|
|
$(MAKE) -C util/crossgcc build
|
|
|
|
crossgcc-clean: clean-for-update
|
|
$(MAKE) -C util/crossgcc clean
|
|
|
|
tools: $(objutil)/kconfig/conf $(objutil)/cbfstool/cbfstool $(objutil)/nvramtool/nvramtool $(objutil)/romcc/romcc $(objutil)/sconfig/sconfig
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|
|