50a34648cd
Add support for SMM modules by leveraging the RMODULE lib. This allows for easier dynamic SMM handler placement. The SMM module support consists of a common stub which puts the executing CPU into protected mode and calls into a pre-defined handler. This stub can then be used for SMM relocation as well as the real SMM handler. For the relocation one can call back into coreboot ramstage code to perform relocation in C code. The handler is essentially a copy of smihandler.c, but it drops the TSEG differences. It also doesn't rely on the SMM revision as the cpu code should know what processor it is supported. Ideally the CONFIG_SMM_TSEG option could be removed once the existing users of that option transitioned away from tseg_relocate() and smi_get_tseg_base(). The generic SMI callbacks are now not marked as weak in the declaration so that there aren't unlinked references. The handler has default implementations of the generic SMI callbacks which are marked as weak. If an external compilation module has a strong symbol the linker will use that instead of the link one. Additionally, the parameters to the generic callbacks are dropped as they don't seem to be used directly. The SMM runtime can provide the necessary support if needed. Change-Id: I1e2fed71a40b2eb03197697d29e9c4b246e3b25e Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: http://review.coreboot.org/2693 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
375 lines
16 KiB
Makefile
375 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/$(MAINBOARDDIR)
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subdirs-y += site-local
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#######################################################################
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# Add source classes and their build options
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classes-y := ramstage romstage bootblock smm smmstub cpu_microcode
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#######################################################################
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# Helper functions for ramstage postprocess
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spc :=
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spc +=
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$(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 $(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 $@ $<
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#######################################################################
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# needed objects that every mainboard uses
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# Creation of these is architecture and mainboard independent
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$(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; \
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done
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git config remote.origin.push HEAD:refs/for/master
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(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)
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crossgcc: clean-for-update
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$(MAKE) -C util/crossgcc build-without-gdb
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crosstools: clean-for-update
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$(MAKE) -C util/crossgcc build
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crossgcc-clean: clean-for-update
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$(MAKE) -C util/crossgcc clean
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tools: $(objutil)/kconfig/conf $(objutil)/cbfstool/cbfstool $(objutil)/nvramtool/nvramtool $(objutil)/romcc/romcc $(objutil)/sconfig/sconfig
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