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abdf15f40b1e0838a43a54704ba5277c8210d69f
system76-coreboot/Makefile.inc
Stefan Reinauer 9aea04aa89 Add Google ChromeOS vendor support 
Google's ChromeOS can be booted super fast and safely
using coreboot. This adds the ChromeOS specific code that
is required by all ChromeBooks to do this.

Change-Id: Ic03ff090a569a27acbd798ce1e5f89a34897a2f2
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/817
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
2012-04-02 18:39:31 +02:00

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Makefile
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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.
##
## You should have received a copy of the GNU General Public License
## along with this program; if not, write to the Free Software
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
#######################################################################
# misleadingly named, this is the coreboot version
export KERNELVERSION := $(shell if [ -d "$(top)/.git" -a -f "`which git`" ]; then git describe --dirty; else echo unknown; fi)
#######################################################################
# Basic component discovery
ARCHDIR-$(CONFIG_ARCH_X86) := x86
MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
export MAINBOARDDIR
#######################################################################
# root rule to resolve if in build mode (ie. configuration exists)
real-target: $(obj)/config.h coreboot
coreboot: $(obj)/coreboot.rom
#######################################################################
# our phony targets
PHONY+= clean-abuild coreboot lint lint-stable
#######################################################################
# root source directories of coreboot
subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge
subdirs-y += src/northbridge src/superio src/drivers src/cpu src/vendorcode
subdirs-y += util/cbfstool util/sconfig
subdirs-y += src/arch/$(ARCHDIR-y)
subdirs-y += src/mainboard/$(MAINBOARDDIR)
subdirs-y += src/vendorcode
subdirs-$(CONFIG_ARCH_X86) += src/pc80
subdirs-y += site-local
#######################################################################
# Add source classes and their build options
classes-y := ramstage romstage driver smm
romstage-c-ccopts:=-D__PRE_RAM__
romstage-S-ccopts:=-D__PRE_RAM__
ifeq ($(CONFIG_TRACE),y)
ramstage-c-ccopts:= -finstrument-functions
endif
smm-c-ccopts:=-D__SMM__
smm-S-ccopts:=-D__SMM__
ramstage-c-deps:=$$(OPTION_TABLE_H)
romstage-c-deps:=$$(OPTION_TABLE_H)
#######################################################################
# Add handler to compile ACPI's ASL
define ramstage-objs_asl_template
$(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
@printf " IASL $$(subst $(top)/,,$$(@))\n"
$(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
mv $$(basename $$@).hex $$(basename $$@).c
$(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
# keep %.o: %.c rule from catching the temporary .c file after a make clean
mv $$(basename $$@).c $$(basename $$@).hex
endef
#######################################################################
# Add handler for arbitrary files in CBFS
$(call add-special-class,cbfs-files)
cbfs-files-handler= \
$(if $(wildcard $(1)$($(2)-file)), \
$(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
$(eval tmp-cbfs-file:= $($(2)-file))) \
$(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-position)) \
$(eval $(2)-name:=) \
$(eval $(2)-type:=) \
$(eval $(2)-position:=)
#######################################################################
# a variety of flags for our build
CBFS_COMPRESS_FLAG:=
ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
CBFS_COMPRESS_FLAG:=l
endif
CBFS_PAYLOAD_COMPRESS_FLAG:=
CBFS_PAYLOAD_COMPRESS_NAME:=none
ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
CBFS_PAYLOAD_COMPRESS_FLAG:=l
CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
endif
ifneq ($(CONFIG_LOCALVERSION),"")
COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
endif
INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
INCLUDES += -Isrc/devices/oprom/include
# abspath is a workaround for romcc
INCLUDES += -include $(abspath $(obj)/config.h)
CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
CFLAGS += -Wstrict-aliasing -Wshadow
ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
CFLAGS += -Werror
endif
CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
#######################################################################
# generate build support files
$(obj)/build.h: .xcompile
@printf " GEN build.h\n"
rm -f $(obj)/build.h
printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
printf "\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
printf "#endif\n" >> $(obj)/build.ht
mv $(obj)/build.ht $(obj)/build.h
$(obj)/ldoptions: $(obj)/config.h
awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
#######################################################################
# Build the tools
CBFSTOOL:=$(obj)/cbfstool
$(CBFSTOOL): $(objutil)/cbfstool/cbfstool
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
ROMCC:= $(objutil)/romcc/romcc
$(ROMCC): $(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:
@# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
$(HOSTCC) -g $(STACK) -Wall -o $@ $<
#######################################################################
# needed objects that every mainboard uses
# Creation of these is architecture and mainboard independent
$(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig
@printf " SCONFIG $(subst $(src)/,,$(<))\n"
mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
$(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
$(objutil)/%.o: $(objutil)/%.c
@printf " HOSTCC $(subst $(objutil)/,,$(@))\n"
$(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
$(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
@printf " CC $(subst $(obj)/,,$(@))\n"
$(CC) -MMD $(CFLAGS) -c -o $@ $<
#######################################################################
# Clean up rules
clean-abuild:
rm -rf coreboot-builds
clean-for-update-target:
rm -f $(obj)/coreboot_ram* $(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.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
$(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean OUT=$(abspath $(obj)) HOSTCC="$(HOSTCC)" CC="$(CC)" LD="$(LD)"
clean-target:
rm -f $(obj)/coreboot*
#######################################################################
# Development utilities
printcrt0s:
@echo crt0s=$(crt0s)
@echo ldscripts=$(ldscripts)
update:
dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
lint lint-stable:
FAILED=0; LINTLOG=`mktemp`; \
for script in util/lint/$@-*; do \
echo; echo `basename $$script`; \
grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
echo ========; \
$$script > $$LINTLOG; \
if [ `cat $$LINTLOG | wc -l` -eq 0 ]; then \
printf "success\n\n"; \
else \
echo test failed: ; \
cat $$LINTLOG; \
rm -f $$LINTLOG; \
FAILED=$$(( $$FAILED + 1 )); \
fi; \
echo ========; \
done; \
test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." && exit 1; }; \
rm -f $$LINTLOG
gitconfig:
for hook in commit-msg pre-commit; do if ! [ -x .git/hooks/$$hook ]; then cp util/gitconfig/$$hook .git/hooks/$$hook; chmod +x .git/hooks/$$hook; fi; done
(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
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