| ## |
| ## 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 |
| |
| ## 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 |
| export objcbfs := $(obj)/cbfs/$(CONFIG_CBFS_PREFIX) |
| |
| ## 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) |
| export objgenerated := $(obj)/generated |
| |
| ####################################################################### |
| # root rule to resolve if in build mode (ie. configuration exists) |
| real-target: $(obj)/config.h coreboot |
| coreboot: build-dirs $(obj)/coreboot.rom |
| |
| ####################################################################### |
| # our phony targets |
| PHONY+= clean-abuild coreboot lint lint-stable build-dirs |
| |
| ####################################################################### |
| # root source directories of coreboot |
| subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge |
| subdirs-y += src/northbridge src/superio src/drivers src/cpu src/vendorcode |
| subdirs-y += util/cbfstool util/sconfig util/nvramtool |
| subdirs-y += src/arch/$(ARCHDIR-y) |
| subdirs-y += src/mainboard/$(MAINBOARDDIR) |
| |
| subdirs-y += site-local |
| |
| ####################################################################### |
| # Add source classes and their build options |
| classes-y := ramstage romstage driver smm |
| |
| romstage-c-ccopts:=-D__PRE_RAM__ |
| romstage-S-ccopts:=-D__PRE_RAM__ |
| ifeq ($(CONFIG_TRACE),y) |
| ramstage-c-ccopts:= -finstrument-functions |
| endif |
| |
| ifeq ($(CONFIG_USE_BLOBS),y) |
| forgetthis:=$(shell git submodule update --init --checkout 3rdparty) |
| else |
| ifeq ($(CONFIG_REQUIRES_BLOB),y) |
| $(error Your current configuration requires binary-only components, but you did not choose to use them) |
| endif |
| endif |
| |
| smm-c-ccopts:=-D__SMM__ |
| smm-S-ccopts:=-D__SMM__ |
| |
| # SMM TSEG base is dynamic |
| ifeq ($(CONFIG_SMM_TSEG),y) |
| smm-c-ccopts += -fpic |
| endif |
| |
| 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 $$(@) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -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 |
| |
| ####################################################################### |
| # 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) --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)) |
| |
| ####################################################################### |
| # 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:=$(word 1, $(subst :, ,$($(2)-file)))) \ |
| $(if $(wildcard $(1)$($(2)-file)), \ |
| $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \ |
| $(eval tmp-cbfs-file:= $($(2)-file))) \ |
| $(if $(tmp-cbfs-method), \ |
| $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \ |
| $(eval tmp-cbfs-file:=$(shell mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \ |
| $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-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 $(src)/include/kconfig.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-dirs: |
| mkdir -p $(objcbfs) $(objgenerated) |
| |
| ####################################################################### |
| # Build the tools |
| CBFSTOOL:=$(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 |
| |
| tools: $(objutil)/kconfig/conf $(objutil)/cbfstool/cbfstool $(objutil)/nvramtool/nvramtool $(objutil)/romcc/romcc $(objutil)/sconfig/sconfig |
| |