## ## ## Copyright (C) 2008 Advanced Micro Devices, Inc. ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de> ## Copyright (C) 2009-2010 coresystems GmbH ## Copyright (C) 2011 secunet Security Networks AG ## ## Redistribution and use in source and binary forms, with or without ## modification, are permitted provided that the following conditions ## are met: ## 1. Redistributions of source code must retain the above copyright ## notice, this list of conditions and the following disclaimer. ## 2. Redistributions in binary form must reproduce the above copyright ## notice, this list of conditions and the following disclaimer in the ## documentation and/or other materials provided with the distribution. ## 3. The name of the author may not be used to endorse or promote products ## derived from this software without specific prior written permission. ## ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF ## SUCH DAMAGE. ## ifneq ($(words $(CURDIR)),1) $(error ERROR: Path to the main directory cannot contain spaces) endif ifeq ($(INNER_SCANBUILD),y) CC_real:=$(CC) endif export top := $(CURDIR) export coreboottop ?= $(abspath $(top)/../../) export src := src export srck := $(abspath $(top)/../../util/kconfig) export obj ?= build export objutil ?= $(obj)/util export objk := $(objutil)/lp_kconfig export absobj := $(abspath $(obj)) VBOOT_SOURCE ?= $(coreboottop)/3rdparty/vboot export KCONFIG_AUTOHEADER := $(obj)/config.h export KCONFIG_AUTOCONFIG := $(obj)/auto.conf export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd export KCONFIG_SPLITCONFIG := $(obj)/config/ export KCONFIG_TRISTATE := $(obj)/tristate.conf export KCONFIG_NEGATIVES := 1 export KBUILD_KCONFIG := Kconfig export CONFIG_ := CONFIG_LP_ # directory containing the toplevel Makefile.mk TOPLEVEL := . CONFIG_LP_SHELL := sh KBUILD_DEFCONFIG ?= configs/defconfig UNAME_RELEASE := $(shell uname -r) DOTCONFIG ?= .config KCONFIG_CONFIG = $(DOTCONFIG) export KCONFIG_CONFIG HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG)) MAKEFLAGS += -rR --no-print-directory # Make is silent per default, but 'make V=1' will show all compiler calls. Q:=@ ifneq ($(V),1) ifneq ($(Q),) .SILENT: endif endif CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E HOSTCC = gcc HOSTCXX = g++ HOSTCFLAGS := -I$(srck) -I$(objk) -g HOSTCXXFLAGS := -I$(srck) -I$(objk) HOSTAS ?= as HOSTLD ?= ld HOSTNM ?= nm HOSTOBJCOPY ?= objcopy HOSTOBJDUMP ?= objdump HOSTREADELF ?= readelf HOSTSTRIP ?= strip HOSTAR ?= ar DOXYGEN := doxygen DOXYGEN_OUTPUT_DIR := doxygen all: real-all ifeq ($(INNER_SCANBUILD),y) CC:=$(CC_real) HOSTCC:=$(CC_real) --hostcc HOSTCXX:=$(CC_real) --hostcxx endif # This include must come _before_ the pattern rules below! # Order _does_ matter for pattern rules. include $(srck)/Makefile.mk include $(HAVE_DOTCONFIG) ARCHDIR-$(CONFIG_LP_ARCH_ARM) := arm ARCHDIR-$(CONFIG_LP_ARCH_ARM64) := arm64 ARCHDIR-$(CONFIG_LP_ARCH_X86) := x86 ARCHDIR-$(CONFIG_LP_ARCH_MOCK) := mock ARCH-y := $(ARCHDIR-y) # If architecture folder name is different from xcompile architecture name, # override here. ARCH-$(CONFIG_LP_ARCH_ARM) := arm ARCH-$(CONFIG_LP_ARCH_ARM64) := arm64 ARCH-$(CONFIG_LP_ARCH_X86_32) := x86_32 ARCH-$(CONFIG_LP_ARCH_X86_64) := x86_64 ARCH-$(CONFIG_LP_ARCH_MOCK) := mock # Five cases where we don't need fully populated $(obj) lists: # 1. when no .config exists # 2. when make config (in any flavour) is run # 3. when make distclean is run # 4. when make help% or make clean% is run # 5. when make %-test or make %-tests or make %coverage-report is run # Don't waste time on reading all Makefiles in these cases ifeq ($(strip $(HAVE_DOTCONFIG)),) NOCOMPILE := 1 endif ifneq ($(MAKECMDGOALS),) ifneq ($(filter %config %clean clean-% help%,$(MAKECMDGOALS)),) NOCOMPILE := 1 endif ifneq ($(filter %clean help% clean%, $(MAKECMDGOALS)),) UNIT_TEST := 1 endif endif ifneq ($(filter help%, $(MAKECMDGOALS)),) NOCOMPILE := 1 UNIT_TEST := 1 else ifneq ($(filter %-test %-tests %coverage-report, $(MAKECMDGOALS)),) ifneq ($(filter-out %-test %-tests %coverage-report, $(MAKECMDGOALS)),) $(error Cannot mix unit-tests targets with other targets) endif NOCOMPILE := UNIT_TEST := 1 endif endif xcompile ?= $(obj)/xcompile $(xcompile): $(top)/../../util/xcompile/xcompile $< $(XGCCPATH) > $@.tmp \mv -f $@.tmp $@ 2> /dev/null ifeq ($(NOCOMPILE),1) include $(TOPLEVEL)/Makefile.mk include $(TOPLEVEL)/tests/Makefile.mk real-all: config else ifeq ($(CONFIG_LP_ARCH_MOCK),y) # Create empty xcompile to satisfy install script $(shell echo '' > $(xcompile)) CC := $(HOSTCC) CC-mock := $(HOSTCC) AS := $(HOSTAS) AS-mock := $(HOSTAS) LD := $(HOSTLD) LD-mock := $(HOSTLD) NM := $(HOSTNM) NM-mock := $(HOSTNM) OBJCOPY := $(HOSTOBJCOPY) OBJCOPY-mock := $(HOSTOBJCOPY) OBJDUMP := $(HOSTOBJDUMP) OBJDUMP-mock := $(HOSTOBJDUMP) READELF := $(HOSTREADELF) READELF-mock := $(HOSTEADELF) STRIP := $(HOSTSTRIP) STRIP-mock := $(HOSTSTRIP) AR := $(HOSTAR) AR-mock := $(HOSTAR) else # in addition to the dependency below, create the file if it doesn't exist # to silence stupid warnings about a file that would be generated anyway. $(if $(wildcard $(xcompile)),,$(shell \ mkdir -p $(dir $(xcompile)) && \ $(top)/../../util/xcompile/xcompile $(XGCCPATH) > $(xcompile) || rm -f $(xcompile))) include $(xcompile) ifneq ($(XCOMPILE_COMPLETE),1) $(shell rm -f $(xcompile)) $(error $(xcompile) deleted because it's invalid. \ Restarting the build should fix that, or explain the problem) endif CC := $(CC_$(ARCH-y)) AS := $(AS_$(ARCH-y)) LD := $(LD_$(ARCH-y)) NM := $(NM_$(ARCH-y)) OBJCOPY := $(OBJCOPY_$(ARCH-y)) OBJDUMP := $(OBJDUMP_$(ARCH-y)) READELF := $(READELF_$(ARCH-y)) STRIP := $(STRIP_$(ARCH-y)) AR := $(AR_$(ARCH-y)) endif CFLAGS += -std=gnu11 $(CFLAGS_$(ARCH-y)) ifneq ($(INNER_SCANBUILD),y) ifeq ($(CONFIG_LP_COMPILER_LLVM_CLANG),y) CC:=clang ifneq ($(CONFIG_LP_ARCH_MOCK),y) CC += -m32 endif HOSTCC:=clang endif endif ifeq ($(CONFIG_LP_CCACHE),y) CCACHE:=$(word 1,$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH))))) ifeq ($(CCACHE),) $(error ccache selected, but not found in PATH) endif CCACHE:=CCACHE_COMPILERCHECK=content CCACHE_BASEDIR=$(top) $(CCACHE) CC := $(CCACHE) $(CC) HOSTCC := $(CCACHE) $(HOSTCC) HOSTCXX := $(CCACHE) $(HOSTCXX) endif strip_quotes = $(subst ",,$(subst \",,$(1))) # The primary target needs to be here before we include the # other files ifeq ($(INNER_SCANBUILD),y) CONFIG_LP_SCANBUILD_ENABLE:= endif ifeq ($(CONFIG_LP_SCANBUILD_ENABLE),y) ifneq ($(CONFIG_LP_SCANBUILD_REPORT_LOCATION),) CONFIG_LP_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_LP_SCANBUILD_REPORT_LOCATION) endif real-all: echo '#!/bin/sh' > .ccwrap echo 'CC="$(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 $(CONFIG_LP_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y else real-all: real-target endif # must come rather early .SECONDEXPANSION: $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG) $(MAKE) CONFIG_=CONFIG_LP_ olddefconfig $(MAKE) CONFIG_=CONFIG_LP_ syncconfig # Add a new class of source/object files to the build system add-class= \ $(eval $(1)-srcs:=) \ $(eval $(1)-objs:=) \ $(eval classes+=$(1)) # Special classes are managed types with special behaviour # On parse time, for each entry in variable $(1)-y # a handler $(1)-handler is executed with the arguments: # * $(1): directory the parser is in # * $(2): current entry add-special-class= \ $(eval $(1):=) \ $(eval special-classes+=$(1)) # Clean -y variables, include Makefile.mk # Add paths to files in X-y to X-srcs # Add subdirs-y to subdirs includemakefiles= \ $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \ $(eval -include $(1)) \ $(foreach class,$(classes-y), $(call add-class,$(class))) \ $(foreach special,$(special-classes), \ $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \ $(foreach class,$(classes), \ $(eval $(class)-srcs+= \ $$(subst $(absobj)/,$(obj)/, \ $$(subst $(top)/,, \ $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \ $(eval subdirs+=$$(subst $(CURDIR)/,,$$(wildcard $$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))) # For each path in $(subdirs) call includemakefiles # Repeat until subdirs is empty evaluate_subdirs= \ $(eval cursubdirs:=$(subdirs)) \ $(eval subdirs:=) \ $(foreach dir,$(cursubdirs), \ $(eval $(call includemakefiles,$(dir)/Makefile.mk))) \ $(if $(subdirs),$(eval $(call evaluate_subdirs))) # collect all object files eligible for building or run unit-tests ifneq ($(UNIT_TEST),1) subdirs:=$(TOPLEVEL) $(eval $(call evaluate_subdirs)) else include $(TOPLEVEL)/tests/Makefile.mk endif # Converts one or more source file paths to the corresponding build/ paths. # $1 lib name # $2 file path (list) src-to-obj=\ $(addsuffix .$(1).o,\ $(basename \ $(addprefix $(obj)/,\ $(subst $(coreboottop)/,coreboot/,$(2))))) $(foreach class,$(classes),$(eval $(class)-objs+=$(call src-to-obj,$(class),$($(class)-srcs)))) allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var))) allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var))) alldirs:=$(sort $(abspath $(dir $(allobjs)))) # macro to define template macros that are used by use_template macro define create_cc_template # $1 obj class # $2 source suffix (c, S) # $3 additional compiler flags # $4 additional dependencies ifn$(EMPTY)def $(1)-objs_$(2)_template de$(EMPTY)fine $(1)-objs_$(2)_template $$(call src-to-obj,$(1), $$(1).$(2)): $$(1).$(2) $(obj)/libpayload-config.h $(4) @printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n" $(CC) $(3) -MMD $$$$(CFLAGS) $(EXTRA_CFLAGS) -c -o $$$$@ $$$$< en$(EMPTY)def end$(EMPTY)if endef filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs)))) $(foreach class,$(classes), \ $(foreach type,$(call filetypes-of-class,$(class)), \ $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))) foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file))))) $(eval $(foreach class,$(classes),$(call foreach-src,$(class)))) DEPENDENCIES = $($(filter %.o,%(allobjs)):.o=.d) -include $(DEPENDENCIES) printall: @$(foreach class,$(classes),echo $(class)-objs:=$($(class)-objs); ) @echo alldirs:=$(alldirs) @echo allsrcs=$(allsrcs) @echo DEPENDENCIES=$(DEPENDENCIES) @$(foreach class,$(special-classes),echo $(class):='$($(class))'; ) endif $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(obj) $(objk)/lxdialog $(additional-dirs) $(alldirs)) cscope: cscope -bR doxy: doxygen doxygen: $(DOXYGEN) Doxyfile doxyclean: doxygen-clean doxygen-clean: rm -rf $(DOXYGEN_OUTPUT_DIR) clean-for-update: doxygen-clean clean-for-update-target rm -f $(allobjs) $(xcompile) rm -f $(DEPENDENCIES) rmdir -p $(alldirs) 2>/dev/null >/dev/null || true clean: clean-for-update clean-target rm -f .ccwrap junit_config junit_config.old rm -rf $(obj) clean-cscope: rm -f cscope.out distclean: clean-cscope clean rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile junit.xml .PHONY: $(PHONY) clean clean-cscope cscope distclean doxygen doxy