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## SPDX-License-Identifier: BSD-3-Clause
ifneq ($(words $(CURDIR)),1)
$(error Error: Path to the main directory cannot contain spaces)
endif
top := $(CURDIR)
src := src
srck := $(top)/util/kconfig
obj ?= build
override obj := $(subst $(top)/,,$(abspath $(obj)))
xcompile ?= $(obj)/xcompile
objutil ?= $(obj)/util
objk := $(objutil)/kconfig
absobj := $(abspath $(obj))
VBOOT_HOST_BUILD ?= $(abspath $(objutil)/vboot_lib)
COREBOOT_EXPORTS := COREBOOT_EXPORTS
COREBOOT_EXPORTS += top src srck obj objutil objk
# reproducible builds
LANG:=C
LC_ALL:=C
TZ:=UTC0
COREBOOT_EXPORTS += LANG LC_ALL TZ
DOTCONFIG ?= $(top)/.config
KCONFIG_CONFIG = $(DOTCONFIG)
KCONFIG_AUTOADS := $(obj)/cb-config.ads
KCONFIG_AUTOHEADER := $(obj)/config.h
KCONFIG_AUTOCONFIG := $(obj)/auto.conf
KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
KCONFIG_SPLITCONFIG := $(obj)/config
KCONFIG_TRISTATE := $(obj)/tristate.conf
KCONFIG_NEGATIVES := 1
KCONFIG_STRICT := 1
KCONFIG_PACKAGE := CB.Config
COREBOOT_EXPORTS += KCONFIG_CONFIG KCONFIG_AUTOHEADER KCONFIG_AUTOCONFIG
COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
COREBOOT_EXPORTS += KCONFIG_NEGATIVES KCONFIG_STRICT
COREBOOT_EXPORTS += KCONFIG_AUTOADS KCONFIG_PACKAGE
# directory containing the toplevel Makefile.inc
TOPLEVEL := .
CONFIG_SHELL := sh
KBUILD_DEFCONFIG := configs/defconfig
UNAME_RELEASE := $(shell uname -r)
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:
MAKEFLAGS += -s
endif
endif
# Disable implicit/built-in rules to make Makefile errors fail fast.
.SUFFIXES:
HOSTCFLAGS := -g
HOSTCXXFLAGS := -g
PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .
DOXYGEN := doxygen
DOXYGEN_OUTPUT_DIR := doxygen
export $(COREBOOT_EXPORTS)
all: real-all
help_coreboot help::
@echo '*** coreboot platform targets ***'
@echo ' Use "make [target] V=1" for extra build debug information'
@echo ' all - Build coreboot'
@echo ' clean - Remove coreboot build artifacts'
@echo ' distclean - Remove build artifacts and config files'
@echo ' doxygen - Build doxygen documentation for coreboot'
@echo ' doxyplatform - Build doxygen documentation for the current platform'
@echo ' sphinx - Build sphinx documentation for coreboot'
@echo ' sphinx-lint - Build sphinx documenttion for coreboot with warnings as errors'
@echo ' filelist - Show files used in current build'
@echo ' printall - print makefile info for debugging'
@echo ' gitconfig - set up git to submit patches to coreboot'
@echo ' ctags / ctags-project - make ctags file for all of coreboot or current board'
@echo ' cscope / cscope-project - make cscope.out file for coreboot or current board'
@echo
# This include must come _before_ the pattern rules below!
# Order _does_ matter for pattern rules.
include $(srck)/Makefile.inc
# 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 ($(filter %config %clean cross% clang iasl lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
NOCOMPILE:=1
endif
ifneq ($(filter %clean lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
NOMKDIR:=1
endif
endif
ifneq ($(filter %-test %-tests,$(MAKECMDGOALS)),)
ifneq ($(filter-out %-test %-tests, $(MAKECMDGOALS)),)
$(error Cannot mix unit-tests targets with other targets)
endif
UNIT_TEST:=1
NOCOMPILE:=
endif
$(xcompile): util/xcompile/xcompile
rm -f $@
$< $(XGCCPATH) > $@.tmp
\mv -f $@.tmp $@ 2> /dev/null
rm -f $@.tmp
ifeq ($(NOCOMPILE),1)
# We also don't use .xcompile in the no-compile situations, so
# provide some reasonable defaults.
HOSTCC ?= $(if $(shell type gcc 2>/dev/null),gcc,cc)
HOSTCXX ?= g++
include $(TOPLEVEL)/Makefile.inc
include $(TOPLEVEL)/payloads/Makefile.inc
include $(TOPLEVEL)/util/testing/Makefile.inc
-include $(TOPLEVEL)/site-local/Makefile.inc
real-all:
@echo "Error: Expected config file ($(DOTCONFIG)) not present." >&2
@echo "Please specify a config file or run 'make menuconfig' to" >&2
@echo "generate a new config file." >&2
@exit 1
else
ifneq ($(UNIT_TEST),1)
include $(DOTCONFIG)
endif
# The toolchain requires xcompile to determine the ARCH_SUPPORTED, so we can't
# wait for make to generate the file.
$(if $(wildcard $(xcompile)),, $(shell \
mkdir -p $(dir $(xcompile)) && \
util/xcompile/xcompile $(XGCCPATH) > $(xcompile) || rm -f $(xcompile)))
include $(xcompile)
ifneq ($(XCOMPILE_COMPLETE),1)
$(shell rm -f $(xcompile))
$(error $(xcompile) deleted because it's invalid. \
Restarting the build should fix that, or explain the problem)
endif
ifneq ($(CONFIG_MMX),y)
CFLAGS_x86_32 += -mno-mmx
endif
ifneq ($(UNIT_TEST),1)
include toolchain.inc
endif
strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
# fix makefile syntax highlighting after strip macro \" "))
# The primary target needs to be here before we include the
# other files
real-all: real-target
# must come rather early
.SECONDEXPANSION:
.DELETE_ON_ERROR:
$(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG) $(objutil)/kconfig/conf
+$(MAKE) oldconfig
$(KCONFIG_AUTOCONFIG): $(KCONFIG_AUTOHEADER)
true
$(KCONFIG_AUTOADS): $(KCONFIG_CONFIG) $(KCONFIG_AUTOHEADER) $(objutil)/kconfig/toada
$(objutil)/kconfig/toada CB.Config <$< >$@
$(obj)/%/$(notdir $(KCONFIG_AUTOADS)): $(KCONFIG_AUTOADS)
cp $< $@
# 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))
# Converts one or more source file paths to their corresponding build/ paths.
# Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
# their name.
# $1 stage name
# $2 file path (list)
src-to-obj=\
$(patsubst $(obj)/%,$(obj)/$(1)/%,\
$(patsubst $(obj)/$(1)/%,$(obj)/%,\
$(patsubst 3rdparty/%,$(obj)/%,\
$(patsubst src/%,$(obj)/%,\
$(patsubst %.ads,%.o,\
$(patsubst %.adb,%.o,\
$(patsubst %.c,%.o,\
$(patsubst %.S,%.o,\
$(subst .$(1),,$(2))))))))))
# Converts one or more source file paths to the corresponding build/ paths
# of their Ada library information (.ali) files.
# $1 stage name
# $2 file path (list)
src-to-ali=\
$(patsubst $(obj)/%,$(obj)/$(1)/%,\
$(patsubst $(obj)/$(1)/%,$(obj)/%,\
$(patsubst 3rdparty/%,$(obj)/%,\
$(patsubst src/%,$(obj)/%,\
$(patsubst %.ads,%.ali,\
$(patsubst %.adb,%.ali,\
$(subst .$(1),,\
$(filter %.ads %.adb,$(2)))))))))
# Clean -y variables, include Makefile.inc
# 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.inc))) \
$(if $(subdirs),$(eval $(call evaluate_subdirs)))
# collect all object files eligible for building
subdirs:=$(TOPLEVEL)
postinclude-hooks :=
# Don't iterate through Makefile.incs under src/ when building tests
ifneq ($(UNIT_TEST),1)
$(eval $(call evaluate_subdirs))
else
include $(TOPLEVEL)/tests/Makefile.inc
endif
ifeq ($(FAILBUILD),1)
$(error cannot continue build)
endif
# Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
$(eval $(postinclude-hooks))
# Eliminate duplicate mentions of source files in a class
$(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
# Build Kconfig .ads if necessary
ifeq ($(CONFIG_RAMSTAGE_ADA),y)
ramstage-srcs += $(obj)/ramstage/$(notdir $(KCONFIG_AUTOADS))
endif
# To track dependencies, we need all Ada specification (.ads) files in
# *-srcs. Extract / filter all specification files that have a matching
# body (.adb) file here (specifications without a body are valid sources
# in Ada).
$(foreach class,$(classes),$(eval $(class)-extra-specs := \
$(filter \
$(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
$(filter %.ads,$($(class)-srcs)))))
$(foreach class,$(classes),$(eval $(class)-srcs := \
$(filter-out $($(class)-extra-specs),$($(class)-srcs))))
$(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
$(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))
# For Ada includes
$(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))
# Save all objs before processing them (for dependency inclusion)
originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
# Call post-processors if they're defined
$(foreach class,$(classes),\
$(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))
allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
alldirs:=$(sort $(abspath $(dir $(allobjs))))
# Reads dependencies from an Ada library information (.ali) file
# Only basenames (with suffix) are preserved so we have to look the
# paths up in $($(stage)-srcs).
# $1 stage name
# $2 ali file
create_ada_deps=$$(if $(2),\
gnat.adc \
$$(filter \
$$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
$$($(1)-srcs) $$($(1)-extra-specs)))
# macro to define template macros that are used by use_template macro
define create_cc_template
# $1 obj class
# $2 source suffix (c, S, ld, ...)
# $3 additional compiler flags
# $4 additional dependencies
ifn$(EMPTY)def $(1)-objs_$(2)_template
de$(EMPTY)fine $(1)-objs_$(2)_template
ifn$(EMPTY)eq ($(filter ads adb,$(2)),)
$$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(4)
@printf " GCC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$(GCC_$(1)) \
$$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs)) \
$(3) -c -o $$$$@ $$$$<
el$(EMPTY)se
$$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $(KCONFIG_AUTOHEADER) $(4)
@printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
$(CC_$(1)) \
-MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@) \
$(3) -c -o $$$$@ $$$$<
end$(EMPTY)if
en$(EMPTY)def
end$(EMPTY)if
endef
filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
$(foreach class,$(classes), \
$(foreach type,$(call filetypes-of-class,$(class)), \
$(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
$(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
$(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))
foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
# To supported complex package initializations, we need to call the
# emitted code explicitly. gnatbind gathers all the calls for us
# and exports them as a procedure $(stage)_adainit(). Every stage that
# uses Ada code has to call it!
define gnatbind_template
# $1 class
$$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
@printf " BIND $$(subst $$(obj)/,,$$@)\n"
# We have to give gnatbind a simple filename (without leading
# path components) so just cd there.
cd $$(dir $$@) && \
$$(GNATBIND_$(1)) -a -n \
--RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
-L$(1)_ada -o $$(notdir $$@) \
$$(subst $$(dir $$@),,$$^)
$$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
@printf " GCC $$(subst $$(obj)/,,$$@)\n"
$(GCC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
$(1)-objs += $$(obj)/$(1)/b__$(1).o
$($(1)-alis): %.ali: %.o ;
endef
$(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
$(if $($(class)-alis),$(call gnatbind_template,$(class)))))
DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
-include $(DEPENDENCIES)
printall:
@$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
@echo alldirs: $(alldirs) | tr ' ' '\n'; echo
@echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
@echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
@$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
endif
ifndef NOMKDIR
$(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
endif
$(obj)/project_filelist.txt:
if [ -z "$(wildcard $(obj)/coreboot.rom)" ]; then \
echo "*** Error: Project must be built before generating file list ***"; \
exit 1; \
fi
find $(obj) -path "$(obj)/util" -prune -o -name "*.d" -exec cat {} \; | \
sed "s|$(top)/||" | sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
grep -v '\.o$$' > $(obj)/project_filelist.txt
filelist: $(obj)/project_filelist.txt
printf "\nFiles used in build:\n"
cat $(obj)/project_filelist.txt
#works with either exuberant ctags or ctags.emacs
ctags-project: clean-ctags $(obj)/project_filelist.txt
cat $(obj)/project_filelist.txt | \
xargs ctags -o tags
cscope-project: clean-cscope $(obj)/project_filelist.txt
cat $(obj)/project_filelist.txt | xargs cscope -b
cscope:
cscope -bR
sphinx:
$(MAKE) -C Documentation -f Makefile.sphinx html
sphinx-lint:
$(MAKE) SPHINXOPTS=-W -C Documentation -f Makefile.sphinx html
doxy: doxygen
doxygen:
$(DOXYGEN) Documentation/Doxyfile.coreboot
doxygen_simple:
$(DOXYGEN) Documentation/Doxyfile.coreboot_simple
doxyplatform doxygen_platform: $(obj)/project_filelist.txt
echo
echo "Building doxygen documentation for $(CONFIG_MAINBOARD_PART_NUMBER)"
export DOXYGEN_OUTPUT_DIR="$$( echo $(DOXYGEN_OUTPUT_DIR)/$(call strip_quotes, $(CONFIG_MAINBOARD_VENDOR))_$(call strip_quotes, $(CONFIG_MAINBOARD_PART_NUMBER)) | sed 's|[^A-Za-z0-9/]|_|g' )"; \
mkdir -p "$$DOXYGEN_OUTPUT_DIR"; \
export DOXYFILES="$$(cat $(obj)/project_filelist.txt | grep -v '\.ld$$' | sed 's/\.aml/\.dsl/' | tr '\n' ' ')"; \
export DOXYGEN_PLATFORM="$(call strip_quotes, $(CONFIG_MAINBOARD_DIR)) \($(call strip_quotes, $(CONFIG_MAINBOARD_PART_NUMBER))\) version $(KERNELVERSION)"; \
$(DOXYGEN) Documentation/doxygen/Doxyfile.coreboot_platform
doxyclean: doxygen-clean
doxygen-clean:
rm -rf $(DOXYGEN_OUTPUT_DIR)
clean-for-update: doxygen-clean clean-for-update-target
rm -rf $(obj) .xcompile
clean: clean-for-update clean-target clean-utils
rm -f .ccwrap
clean-cscope:
rm -f cscope.out
clean-ctags:
rm -f tags
clean-utils:
$(foreach tool, $(TOOLLIST), \
$(MAKE) -C util/$(tool) clean MFLAGS= MAKEFLAGS= ;)
distclean-utils:
$(foreach tool, $(TOOLLIST), \
$(MAKE) -C util/$(tool) distclean MFLAGS= MAKEFLAGS= ; \
rm -f /util/$(tool)/junit.xml;)
distclean: clean clean-ctags clean-cscope distclean-payloads distclean-utils
rm -f .config .config.old ..config.tmp* .kconfig.d .tmpconfig* .ccwrap .xcompile
rm -rf coreboot-builds coreboot-builds-chromeos
rm -f abuild*.xml junit.xml* util/lint/junit.xml
.PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple sphinx sphinx-lint
.PHONY: ctags-project cscope-project clean-ctags