## ## This file is part of the coreboot project. ## ## Copyright (C) 2008 Advanced Micro Devices, Inc. ## Copyright (C) 2008 Uwe Hermann ## Copyright (C) 2009-2010 coresystems GmbH ## ## 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 ## ifeq ($(INNER_SCANBUILD),y) CC_real:=$(CC) endif $(if $(wildcard .xcompile),,$(eval $(shell bash util/xcompile/xcompile > .xcompile))) include .xcompile ifeq ($(INNER_SCANBUILD),y) CC:=$(CC_real) HOSTCC:=$(CC_real) --hostcc HOSTCXX:=$(CC_real) --hostcxx endif export top := $(PWD) export src := src export srck := $(top)/util/kconfig export obj ?= build export objutil ?= $(obj)/util export objk := $(objutil)/kconfig export KERNELVERSION := 4.0 export KCONFIG_AUTOHEADER := $(obj)/config.h export KCONFIG_AUTOCONFIG := $(obj)/auto.conf CONFIG_SHELL := sh KBUILD_DEFCONFIG := configs/defconfig UNAME_RELEASE := $(shell uname -r) HAVE_DOTCONFIG := $(wildcard .config) MAKEFLAGS += -rR --no-print-directory # Make is silent per default, but 'make V=1' will show all compiler calls. Q:=@ ifneq ($(V),1) ifneq ($(Q),) .SILENT: endif endif CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E ROMCC:= $(objutil)/romcc/romcc HOSTCC = gcc HOSTCXX = g++ HOSTCFLAGS := -I$(srck) -I$(objk) -g HOSTCXXFLAGS := -I$(srck) -I$(objk) LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && $(CC) -print-libgcc-file-name) DOXYGEN := doxygen DOXYGEN_OUTPUT_DIR := doxygen # Three cases where we don't need fully populated $(obj) lists: # 1. when no .config exists # 2. when make config (in any flavour) is run # 3. when make distclean is run # Don't waste time on reading all Makefile.incs in these cases ifeq ($(strip $(HAVE_DOTCONFIG)),) NOCOMPILE:=1 endif ifneq ($(MAKECMDGOALS),) ifneq ($(filter %config distclean,$(MAKECMDGOALS)),) NOCOMPILE:=1 endif endif ifeq ($(NOCOMPILE),1) all: config else include $(top)/.config ifneq ($(INNER_SCANBUILD),y) ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y) CC:=clang -m32 HOSTCC:=clang endif endif ifeq ($(CONFIG_CCACHE),y) CCACHE:=CCACHE_COMPILERCHECK=content $(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH)))) ifeq ($(CCACHE),) $(error ccache selected, but not found in PATH) endif CC := $(CCACHE) $(CC) HOSTCC := $(CCACHE) $(HOSTCC) HOSTCXX := $(CCACHE) $(HOSTCXX) ROMCC := $(CCACHE) $(ROMCC) endif strip_quotes = $(subst ",,$(subst \",,$(1))) ARCHDIR-$(CONFIG_ARCH_X86) := i386 ARCHDIR-$(CONFIG_ARCH_POWERPC) := ppc MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR)) export MAINBOARDDIR PLATFORM-y += src/arch/$(ARCHDIR-y) src/cpu src/mainboard/$(MAINBOARDDIR) TARGETS-y := BUILD-y := src/lib src/boot src/console src/devices src/southbridge src/northbridge src/superio src/drivers BUILD-y += util/cbfstool util/sconfig BUILD-$(CONFIG_ARCH_X86) += src/pc80 ifneq ($(CONFIG_LOCALVERSION),"") COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION)) endif # The primary target needs to be here before we include the # other files ifeq ($(INNER_SCANBUILD),y) CONFIG_SCANBUILD_ENABLE:= endif ifeq ($(CONFIG_SCANBUILD_ENABLE),y) ifneq ($(CONFIG_SCANBUILD_REPORT_LOCATION),) CONFIG_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_SCANBUILD_REPORT_LOCATION) endif all: echo '#!/bin/sh' > .ccwrap echo 'CC="$(CC)"' >> .ccwrap echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap echo 'eval $$CC $$*' >> .ccwrap chmod +x .ccwrap scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y else all: $(obj)/config.h coreboot endif # must come rather early .SECONDEXPANSION: $(obj)/config.h: $(MAKE) oldconfig ####################################################################### # Build the tools CBFSTOOL:=$(objutil)/cbfstool/cbfstool # 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) $(objutil)/%.o: $(objutil)/%.c @printf " HOSTCC $(subst $(objutil)/,,$(@))\n" $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $< $(obj)/%.o: $(obj)/%.c $(obj)/config.h @printf " CC $(subst $(obj)/,,$(@))\n" $(CC) -MMD $(CFLAGS) -c -o $@ $< objs:=$(obj)/mainboard/$(MAINBOARDDIR)/static.o initobjs:= drivers:= smmobjs:= types:=obj initobj driver smmobj # Clean -y variables, include Makefile.inc # If $(3) is non-empty, add paths to files in X-y, and add them to Xs # Add subdirs-y to subdirs includemakefiles= \ $(foreach type,$(2), $(eval $(type)-y:=)) \ $(eval subdirs-y:=) \ $(eval -include $(1)) \ $(foreach type,$(2), \ $(eval $(type)s+= \ $$(subst $(top)/,, \ $$(abspath $$(patsubst src/%, \ $(obj)/%, \ $$(addprefix $(dir $(1)),$$($(type)-y))))))) \ $(eval subdirs+=$$(subst $(PWD)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y))))) # For each path in $(subdirs) call includemakefiles, passing $(1) as $(3) # Repeat until subdirs is empty evaluate_subdirs= \ $(eval cursubdirs:=$(subdirs)) \ $(eval subdirs:=) \ $(foreach dir,$(cursubdirs), \ $(eval $(call includemakefiles,$(dir)/Makefile.inc,$(types)))) \ $(if $(subdirs),$(eval $(call evaluate_subdirs))) # collect all object files eligible for building subdirs:=$(PLATFORM-y) $(BUILD-y) $(eval $(call evaluate_subdirs)) initobjs:=$(addsuffix .initobj.o, $(basename $(initobjs))) drivers:=$(addsuffix .driver.o, $(basename $(drivers))) smmobjs:=$(addsuffix .smmobj.o, $(basename $(smmobjs))) allobjs:=$(foreach var, $(addsuffix s,$(types)), $($(var))) alldirs:=$(sort $(abspath $(dir $(allobjs)))) source_with_ext=$(patsubst $(obj)/%.o,src/%.$(1),$(allobjs)) allsrc=$(wildcard $(call source_with_ext,c) $(call source_with_ext,S)) define objs_asl_template $(obj)/$(1)%.o: src/$(1)%.asl @printf " IASL $$(subst $(top)/,,$$(@))\n" $(CPP) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl iasl -p $$(basename $$@) -tc $$(basename $$@).asl mv $$(basename $$@).hex $$(basename $$@).c $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $$@))), -DAmlCode=AmlCode_$$(basename $$(notdir $$@))) -c -o $$@ $$(basename $$@).c # keep %.o: %.c rule from catching the temporary .c file after a make clean mv $$(basename $$@).c $$(basename $$@).hex endef # macro to define template macros that are used by use_template macro define create_cc_template # $1 obj class (objs, initobjs, ...) # $2 source suffix (c, S) # $3 .o infix ("" ".initobj", ...) # $4 additional compiler flags de$(EMPTY)fine $(1)_$(2)_template $(obj)/$$(1)%$(3).o: src/$$(1)%.$(2) $(obj)/config.h @printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n" $(CC) $(4) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$< en$(EMPTY)def endef $(eval $(call create_cc_template,objs,c)) $(eval $(call create_cc_template,objs,S,,-DASSEMBLY)) $(eval $(call create_cc_template,initobjs,c,.initobj,-D__PRE_RAM__)) $(eval $(call create_cc_template,initobjs,S,.initobj,-DASSEMBLY -D__PRE_RAM__)) $(eval $(call create_cc_template,drivers,c,.driver)) $(eval $(call create_cc_template,drivers,S,.driver,-DASSEMBLY)) $(eval $(call create_cc_template,smmobjs,c,.smmobj)) $(eval $(call create_cc_template,smmobjs,S,.smmobj)) usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d))))) usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d))))) $(eval $(call usetemplate,objs,asl)) $(eval $(call usetemplate,objs,c)) $(eval $(call usetemplate,objs,S)) $(eval $(call usetemplate,initobjs,c)) $(eval $(call usetemplate,initobjs,S)) $(eval $(call usetemplate,drivers,c)) $(eval $(call usetemplate,drivers,S)) $(eval $(call usetemplate,smmobjs,c)) $(eval $(call usetemplate,smmobjs,S)) DEPENDENCIES = $(objs:.o=.d) $(initobjs:.o=.d) $(drivers:.o=.d) $(smmobjs:.o=.d) -include $(DEPENDENCIES) printall: @echo objs:=$(objs) @echo initobjs:=$(initobjs) @echo drivers:=$(drivers) @echo smmobjs:=$(smmobjs) @echo alldirs:=$(alldirs) @echo allsrc=$(allsrc) @echo DEPENDENCIES=$(DEPENDENCIES) @echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME) printcrt0s: @echo crt0s=$(crt0s) @echo ldscripts=$(ldscripts) OBJS := $(patsubst %,$(obj)/%,$(TARGETS-y)) 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 -nostdinc -pipe 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 CBFS_COMPRESS_FLAG:=l 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 coreboot: $(obj)/coreboot.rom endif $(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options $(alldirs)) $(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)-r$(shell if [ -d $(top)/.svn -a -f "`which svnversion`" ]; then svnversion $(top); else if [ -d $(top)/.git -a -f "`which git`" ]; then git --git-dir=/$(top)/.git log|grep git-svn-id|cut -f 2 -d@|cut -f 1 -d' '|sort -g|tail -1; fi; fi)\"\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 "\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 doxy: doxygen doxygen: $(DOXYGEN) documentation/Doxyfile.coreboot doxyclean: doxygen-clean doxygen-clean: rm -rf $(DOXYGEN_OUTPUT_DIR) clean-for-update: doxygen-clean rm -f $(objs) $(initobjs) $(drivers) $(smmobjs) .xcompile rm -f $(DEPENDENCIES) 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 rmdir -p $(alldirs) 2>/dev/null >/dev/null || true clean: clean-for-update rm -f $(obj)/coreboot* .ccwrap distclean: rm -rf $(obj) rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile update: dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF # This include must come _before_ the pattern rules below! # Order _does_ matter for pattern rules. include util/kconfig/Makefile $(obj)/ldoptions: $(obj)/config.h awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@ _OS=$(shell uname -o) STACK= ifeq ($(_OS),Msys) STACK=-Wl,--stack,16384000 endif ifeq ($(_OS),Cygwin) STACK=-Wl,--stack,16384000 endif $(objutil)/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 $@ $< .PHONY: $(PHONY) clean distclean doxygen doxy coreboot .xcompile