#
VERSION = 2014
-PATCHLEVEL = 07
+PATCHLEVEL = 10
SUBLEVEL =
EXTRAVERSION =
NAME =
KBUILD_OUTPUT := $(O)
endif
-ifeq ("$(origin W)", "command line")
- export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
-endif
-
# That's our default target when none is given on the command line
PHONY := _all
_all:
export srctree objtree VPATH
-MKCONFIG := $(srctree)/mkconfig
-export MKCONFIG
-
# Make sure CDPATH settings don't interfere
unexport CDPATH
export HOSTARCH HOSTOS
-# Deal with colliding definitions from tcsh etc.
-VENDOR=
-
#########################################################################
# set default to nothing for native builds
CROSS_COMPILE ?=
endif
+KCONFIG_CONFIG ?= .config
+export KCONFIG_CONFIG
+
# SHELL used by kbuild
CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
else if [ -x /bin/bash ]; then echo /bin/bash; \
else echo sh; fi ; fi)
-HOSTCC = gcc
-HOSTCXX = g++
+HOSTCC = cc
+HOSTCXX = c++
HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
HOSTCXXFLAGS = -O2
OBJDUMP = $(CROSS_COMPILE)objdump
AWK = awk
PERL = perl
+PYTHON = python
DTC = dtc
CHECK = sparse
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
-Wbitwise -Wno-return-void -D__CHECK_ENDIAN__ $(CF)
-KBUILD_CPPFLAGS := -D__KERNEL__
+KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__
KBUILD_CFLAGS := -Wall -Wstrict-prototypes \
-Wno-format-security \
export ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
-export MAKE AWK PERL
+export MAKE AWK PERL PYTHON
export HOSTCXX HOSTCXXFLAGS DTC CHECK CHECKFLAGS
export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
no-dot-config-targets := clean clobber mrproper distclean \
help %docs check% coccicheck \
- ubootversion backup tools-only
+ ubootversion backup
config-targets := 0
mixed-targets := 0
# We're called with mixed targets (*config and build targets).
# Handle them one by one.
-PHONY += $(MAKECMDGOALS) build-one-by-one
+PHONY += $(MAKECMDGOALS) __build_one_by_one
-$(MAKECMDGOALS): build-one-by-one
+$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one
@:
-build-one-by-one:
+__build_one_by_one:
$(Q)set -e; \
for i in $(MAKECMDGOALS); do \
$(MAKE) -f $(srctree)/Makefile $$i; \
# *config targets only - make sure prerequisites are updated, and descend
# in scripts/kconfig to make the *config target
-# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
-# KBUILD_DEFCONFIG may point out an alternative default configuration
-# used for 'make defconfig'
+KBUILD_DEFCONFIG := sandbox_defconfig
+export KBUILD_DEFCONFIG KBUILD_KCONFIG
-%_config:: outputmakefile
- @$(MKCONFIG) -A $(@:_config=)
+config: scripts_basic outputmakefile FORCE
+ +$(Q)$(CONFIG_SHELL) $(srctree)/scripts/multiconfig.sh $@
+
+%config: scripts_basic outputmakefile FORCE
+ +$(Q)$(CONFIG_SHELL) $(srctree)/scripts/multiconfig.sh $@
else
# ===========================================================================
# Build targets only - this includes vmlinux, arch specific targets, clean
# targets and others. In general all targets except *config targets.
-# load ARCH, BOARD, and CPU configuration
--include include/config.mk
-
ifeq ($(dot-config),1)
# Read in config
+-include include/config/auto.conf
+
+# Read in dependencies to all Kconfig* files, make sure to run
+# oldconfig if changes are detected.
+-include include/config/auto.conf.cmd
+
+# To avoid any implicit rule to kick in, define an empty command
+$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
+
+# If .config is newer than include/config/auto.conf, someone tinkered
+# with it and forgot to run make oldconfig.
+# if auto.conf.cmd is missing then we are probably in a cleaned tree so
+# we execute the config step to be sure to catch updated Kconfig files
+include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
+ $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
+
-include include/autoconf.mk
-include include/autoconf.mk.dep
-# load other configuration
+# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf
+# is up-to-date. When we switch to a different board configuration, old CONFIG
+# macros are still remaining in include/config/auto.conf. Without the following
+# gimmick, wrong config.mk would be included leading nasty warnings/errors.
+autoconf_is_current := $(if $(wildcard $(KCONFIG_CONFIG)),$(shell find . \
+ -path ./include/config/auto.conf -newer $(KCONFIG_CONFIG)))
+ifneq ($(autoconf_is_current),)
include $(srctree)/config.mk
-
-ifeq ($(wildcard include/config.mk),)
-$(error "System not configured - see README")
endif
# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
endif
else
-
-
+# Dummy target needed, because used as prerequisite
+include/config/auto.conf: ;
endif # $(dot-config)
-KBUILD_CFLAGS += -Os #-fomit-frame-pointer
+ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
+KBUILD_CFLAGS += -Os
+else
+KBUILD_CFLAGS += -O2
+endif
ifdef BUILD_TAG
KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
export CONFIG_SYS_TEXT_BASE
+include $(srctree)/scripts/Makefile.extrawarn
+
# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
KBUILD_CPPFLAGS += $(KCPPFLAGS)
KBUILD_AFLAGS += $(KAFLAGS)
UBOOTINCLUDE := \
-Iinclude \
$(if $(KBUILD_SRC), -I$(srctree)/include) \
- -I$(srctree)/arch/$(ARCH)/include
+ -I$(srctree)/arch/$(ARCH)/include \
+ -include $(srctree)/include/linux/kconfig.h
NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
CHECKFLAGS += $(NOSTDINC_FLAGS)
libs-y += net/
libs-y += disk/
libs-y += drivers/
-libs-$(CONFIG_DM) += drivers/core/
libs-y += drivers/dma/
libs-y += drivers/gpio/
libs-y += drivers/i2c/
-libs-y += drivers/input/
libs-y += drivers/mmc/
libs-y += drivers/mtd/
libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
libs-$(CONFIG_HAS_POST) += post/
libs-y += test/
libs-y += test/dm/
-libs-$(CONFIG_DM_DEMO) += drivers/demo/
ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610))
libs-y += arch/$(ARCH)/imx-common/
OBJCOPYFLAGS_u-boot.bin := -O binary
-binary_size_check: u-boot.bin System.map FORCE
- @file_size=`stat -c %s u-boot.bin` ; \
- map_size=$(shell cat System.map | \
+binary_size_check: u-boot.bin FORCE
+ @file_size=$(shell wc -c u-boot.bin | awk '{print $$1}') ; \
+ map_size=$(shell cat u-boot.map | \
awk '/_image_copy_start/ {start = $$1} /_image_binary_end/ {end = $$1} END {if (start != "" && end != "") print "ibase=16; " toupper(end) " - " toupper(start)}' \
+ | sed 's/0X//g' \
| bc); \
if [ "" != "$$map_size" ]; then \
if test $$map_size -ne $$file_size; then \
- echo "System.map shows a binary size of $$map_size" >&2 ; \
+ echo "u-boot.map shows a binary size of $$map_size" >&2 ; \
echo " but u-boot.bin shows $$file_size" >&2 ; \
exit 1; \
fi \
u-boot-spi.gph: spl/u-boot-spl.gph u-boot.img FORCE
$(call if_changed,pad_cat)
+MKIMAGEFLAGS_u-boot-nand.gph = -A $(ARCH) -T gpimage -C none \
+ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -n U-Boot
+u-boot-nand.gph: u-boot.bin FORCE
+ $(call if_changed,mkimage)
+ @dd if=/dev/zero bs=8 count=1 2>/dev/null >> $@
+
ifneq ($(CONFIG_SUNXI),)
OBJCOPYFLAGS_u-boot-sunxi-with-spl.bin = -I binary -O binary \
--pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff
--start-group $(u-boot-main) --end-group \
$(PLATFORM_LIBS) -Map u-boot.map
-u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds
- $(call if_changed,u-boot__)
-ifeq ($(CONFIG_KALLSYMS),y)
+quiet_cmd_smap = GEN common/system_map.o
+cmd_smap = \
smap=`$(call SYSTEM_MAP,u-boot) | \
awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
$(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
-c $(srctree)/common/system_map.c -o common/system_map.o
+
+u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds
+ $(call if_changed,u-boot__)
+ifeq ($(CONFIG_KALLSYMS),y)
+ $(call cmd,smap)
$(call cmd,u-boot__) common/system_map.o
endif
endef
# Store (new) UBOOTRELEASE string in include/config/uboot.release
-include/config/uboot.release: Makefile FORCE
+include/config/uboot.release: include/config/auto.conf FORCE
$(call filechk,uboot.release)
# 1) Check that make has not been executed in the kernel src $(srctree)
prepare3: include/config/uboot.release
ifneq ($(KBUILD_SRC),)
- @$(kecho) ' Using $(srctree) as source for u-boot'
- $(Q)if [ -f $(srctree)/include/config.mk ]; then \
+ @$(kecho) ' Using $(srctree) as source for U-Boot'
+ $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \
echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
echo >&2 " in the '$(srctree)' directory.";\
/bin/false; \
# prepare2 creates a makefile if using a separate output directory
prepare2: prepare3 outputmakefile
-prepare1: prepare2 $(version_h) $(timestamp_h)
+prepare1: prepare2 $(version_h) $(timestamp_h) \
+ include/config/auto.conf
ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
ifeq ($(CONFIG_SYS_GENERIC_BOARD),y)
@echo >&2 " Your architecture does not support generic board."
$(timestamp_h): $(srctree)/Makefile FORCE
$(call filechk,timestamp.h)
-#
-# Auto-generate the autoconf.mk file (which is included by all makefiles)
-#
-# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
-# the dep file is only include in this top level makefile to determine when
-# to regenerate the autoconf.mk file.
-
-quiet_cmd_autoconf_dep = GEN $@
- cmd_autoconf_dep = $(CC) -x c -DDO_DEPS_ONLY -M $(c_flags) \
- -MQ include/autoconf.mk $(srctree)/include/common.h > $@ || rm $@
-
-include/autoconf.mk.dep: include/config.h include/common.h
- $(call cmd,autoconf_dep)
-
-quiet_cmd_autoconf = GEN $@
- cmd_autoconf = \
- $(CPP) $(c_flags) -DDO_DEPS_ONLY -dM $(srctree)/include/common.h > $@.tmp && \
- sed -n -f $(srctree)/tools/scripts/define2mk.sed $@.tmp > $@; \
- rm $@.tmp
-
-include/autoconf.mk: include/config.h
- $(call cmd,autoconf)
-
# ---------------------------------------------------------------------------
PHONY += depend dep
@:
tpl/u-boot-tpl.bin: tools prepare
- $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all CONFIG_TPL_BUILD=y
+ $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.spl all
TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include)
# Directories & files removed with 'make clean'
CLEAN_DIRS += $(MODVERDIR)
-CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h \
- include/autoconf.mk* include/spl-autoconf.mk \
- include/tpl-autoconf.mk
+CLEAN_FILES += u-boot.lds include/bmp_logo.h include/bmp_logo_data.h
# Directories & files removed with 'make clobber'
-CLOBBER_DIRS += spl tpl
+CLOBBER_DIRS += $(foreach d, spl tpl, $(patsubst %,$d/%, \
+ $(filter-out include, $(shell ls -1 $d 2>/dev/null))))
CLOBBER_FILES += u-boot* MLO* SPL System.map
# Directories & files removed with 'make mrproper'
-MRPROPER_DIRS += include/config include/generated \
+MRPROPER_DIRS += include/config include/generated spl tpl \
.tmp_objdiff
-MRPROPER_FILES += .config .config.old \
- ctags etags cscope* GPATH GTAGS GRTAGS GSYMS \
- include/config.h include/config.mk
+MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \
+ ctags etags TAGS cscope* GPATH GTAGS GRTAGS GSYMS
# clean - Delete most, but leave enough to build external modules
#
-o -name '.*.rej' -o -name '*%' -o -name 'core' \
-o -name '*.pyc' \) \
-type f -print | xargs rm -f
+ @rm -f boards.cfg
backup:
F=`basename $(srctree)` ; cd .. ; \
@echo ' mrproper - Remove all generated files + config + various backup files'
@echo ' distclean - mrproper + remove editor backup and patch files'
@echo ''
-# uncomment after adding Kconfig feature
-# @echo 'Configuration targets:'
-# @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
-# @echo ''
+ @echo 'Configuration targets:'
+ @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help
+ @echo ''
@echo 'Other generic targets:'
@echo ' all - Build all necessary images depending on configuration'
@echo ' u-boot - Build the bare u-boot'
projects / karo-tx-uboot.git / blobdiff