#
VERSION = 2014
-PATCHLEVEL = 01
+PATCHLEVEL = 04
SUBLEVEL =
-EXTRAVERSION =
-ifneq "$(SUBLEVEL)" ""
-U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION)
+EXTRAVERSION = -rc2
+NAME =
+
+# *DOCUMENTATION*
+# To see a list of typical targets execute "make help"
+# More info can be located in ./README
+# Comments in this file are targeted only to the developer, do not
+# expect to learn how to build the kernel reading this file.
+
+# Do not:
+# o use make's built-in rules and variables
+# (this increases performance and avoids hard-to-debug behaviour);
+# o print "Entering directory ...";
+MAKEFLAGS += -rR --no-print-directory
+
+# Avoid funny character set dependencies
+unexport LC_ALL
+LC_COLLATE=C
+LC_NUMERIC=C
+export LC_COLLATE LC_NUMERIC
+
+# We are using a recursive build, so we need to do a little thinking
+# to get the ordering right.
+#
+# Most importantly: sub-Makefiles should only ever modify files in
+# their own directory. If in some directory we have a dependency on
+# a file in another dir (which doesn't happen often, but it's often
+# unavoidable when linking the built-in.o targets which finally
+# turn into vmlinux), we will call a sub make in that other dir, and
+# after that we are sure that everything which is in that other dir
+# is now up to date.
+#
+# The only cases where we need to modify files which have global
+# effects are thus separated out and done before the recursive
+# descending is started. They are now explicitly listed as the
+# prepare rule.
+
+# To put more focus on warnings, be less verbose as default
+# Use 'make V=1' to see the full commands
+
+ifeq ("$(origin V)", "command line")
+ KBUILD_VERBOSE = $(V)
+endif
+ifndef KBUILD_VERBOSE
+ KBUILD_VERBOSE = 0
+endif
+
+# Call a source code checker (by default, "sparse") as part of the
+# C compilation.
+#
+# Use 'make C=1' to enable checking of only re-compiled files.
+# Use 'make C=2' to enable checking of *all* source files, regardless
+# of whether they are re-compiled or not.
+#
+# See the file "Documentation/sparse.txt" for more details, including
+# where to get the "sparse" utility.
+
+ifeq ("$(origin C)", "command line")
+ KBUILD_CHECKSRC = $(C)
+endif
+ifndef KBUILD_CHECKSRC
+ KBUILD_CHECKSRC = 0
+endif
+
+# Use make M=dir to specify directory of external module to build
+# Old syntax make ... SUBDIRS=$PWD is still supported
+# Setting the environment variable KBUILD_EXTMOD take precedence
+ifdef SUBDIRS
+ KBUILD_EXTMOD ?= $(SUBDIRS)
+endif
+
+ifeq ("$(origin M)", "command line")
+ KBUILD_EXTMOD := $(M)
+endif
+
+# kbuild supports saving output files in a separate directory.
+# To locate output files in a separate directory two syntaxes are supported.
+# In both cases the working directory must be the root of the kernel src.
+# 1) O=
+# Use "make O=dir/to/store/output/files/"
+#
+# 2) Set KBUILD_OUTPUT
+# Set the environment variable KBUILD_OUTPUT to point to the directory
+# where the output files shall be placed.
+# export KBUILD_OUTPUT=dir/to/store/output/files/
+# make
+#
+# The O= assignment takes precedence over the KBUILD_OUTPUT environment
+# variable.
+
+
+# KBUILD_SRC is set on invocation of make in OBJ directory
+# KBUILD_SRC is not intended to be used by the regular user (for now)
+ifeq ($(KBUILD_SRC),)
+
+# OK, Make called in directory where kernel src resides
+# Do we want to locate output files in a separate directory?
+ifeq ("$(origin O)", "command line")
+ KBUILD_OUTPUT := $(O)
+endif
+
+ifeq ("$(origin W)", "command line")
+ export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
+endif
+
+# That's our default target when none is given on the command line
+PHONY := _all
+_all:
+
+# Cancel implicit rules on top Makefile
+$(CURDIR)/Makefile Makefile: ;
+
+ifneq ($(KBUILD_OUTPUT),)
+# Invoke a second make in the output directory, passing relevant variables
+# check that the output directory actually exists
+saved-output := $(KBUILD_OUTPUT)
+KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
+$(if $(KBUILD_OUTPUT),, \
+ $(error output directory "$(saved-output)" does not exist))
+
+PHONY += $(MAKECMDGOALS) sub-make
+
+$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make
+ @:
+
+sub-make: FORCE
+ $(if $(KBUILD_VERBOSE:1=),@)$(MAKE) -C $(KBUILD_OUTPUT) \
+ KBUILD_SRC=$(CURDIR) \
+ KBUILD_EXTMOD="$(KBUILD_EXTMOD)" -f $(CURDIR)/Makefile \
+ $(filter-out _all sub-make,$(MAKECMDGOALS))
+
+# Leave processing to above invocation of make
+skip-makefile := 1
+endif # ifneq ($(KBUILD_OUTPUT),)
+endif # ifeq ($(KBUILD_SRC),)
+
+# We process the rest of the Makefile if this is the final invocation of make
+ifeq ($(skip-makefile),)
+
+# If building an external module we do not care about the all: rule
+# but instead _all depend on modules
+PHONY += all
+ifeq ($(KBUILD_EXTMOD),)
+_all: all
else
-U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL)$(EXTRAVERSION)
+_all: modules
endif
-TIMESTAMP_FILE = $(obj)include/generated/timestamp_autogenerated.h
-VERSION_FILE = $(obj)include/generated/version_autogenerated.h
+
+srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR))
+objtree := $(CURDIR)
+src := $(srctree)
+obj := $(objtree)
+
+VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD))
+
+export srctree objtree VPATH
+
+OBJTREE := $(objtree)
+SPLTREE := $(OBJTREE)/spl
+TPLTREE := $(OBJTREE)/tpl
+SRCTREE := $(srctree)
+TOPDIR := $(SRCTREE)
+export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
+
+MKCONFIG := $(SRCTREE)/mkconfig
+export MKCONFIG
+
+# Make sure CDPATH settings don't interfere
+unexport CDPATH
+
+#########################################################################
HOSTARCH := $(shell uname -m | \
sed -e s/i.86/x86/ \
VENDOR=
#########################################################################
-# Allow for silent builds
-ifeq (,$(findstring s,$(MAKEFLAGS)))
-XECHO = echo
-else
-XECHO = :
+
+# set default to nothing for native builds
+ifeq ($(HOSTARCH),$(ARCH))
+CROSS_COMPILE ?=
endif
-#########################################################################
+# 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
+HOSTCFLAGS = -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer
+
+ifeq ($(HOSTOS),cygwin)
+HOSTCFLAGS += -ansi
+endif
+
+# Mac OS X / Darwin's C preprocessor is Apple specific. It
+# generates numerous errors and warnings. We want to bypass it
+# and use GNU C's cpp. To do this we pass the -traditional-cpp
+# option to the compiler. Note that the -traditional-cpp flag
+# DOES NOT have the same semantics as GNU C's flag, all it does
+# is invoke the GNU preprocessor in stock ANSI/ISO C fashion.
#
-# U-boot build supports generating object files in a separate external
-# directory. Two use cases are supported:
+# Apple's linker is similar, thanks to the new 2 stage linking
+# multiple symbol definitions are treated as errors, hence the
+# -multiply_defined suppress option to turn off this error.
#
-# 1) Add O= to the make command line
-# 'make O=/tmp/build all'
+ifeq ($(HOSTOS),darwin)
+# get major and minor product version (e.g. '10' and '6' for Snow Leopard)
+DARWIN_MAJOR_VERSION = $(shell sw_vers -productVersion | cut -f 1 -d '.')
+DARWIN_MINOR_VERSION = $(shell sw_vers -productVersion | cut -f 2 -d '.')
+
+os_x_before = $(shell if [ $(DARWIN_MAJOR_VERSION) -le $(1) -a \
+ $(DARWIN_MINOR_VERSION) -le $(2) ] ; then echo "$(3)"; else echo "$(4)"; fi ;)
+
+# Snow Leopards build environment has no longer restrictions as described above
+HOSTCC = $(call os_x_before, 10, 5, "cc", "gcc")
+HOSTCFLAGS += $(call os_x_before, 10, 4, "-traditional-cpp")
+HOSTLDFLAGS += $(call os_x_before, 10, 5, "-multiply_defined suppress")
+endif
+
+# Decide whether to build built-in, modular, or both.
+# Normally, just do built-in.
+
+KBUILD_MODULES :=
+KBUILD_BUILTIN := 1
+
+# If we have only "make modules", don't compile built-in objects.
+# When we're building modules with modversions, we need to consider
+# the built-in objects during the descend as well, in order to
+# make sure the checksums are up to date before we record them.
+
+ifeq ($(MAKECMDGOALS),modules)
+ KBUILD_BUILTIN := $(if $(CONFIG_MODVERSIONS),1)
+endif
+
+# If we have "make <whatever> modules", compile modules
+# in addition to whatever we do anyway.
+# Just "make" or "make all" shall build modules as well
+
+# U-Boot does not need modules
+#ifneq ($(filter all _all modules,$(MAKECMDGOALS)),)
+# KBUILD_MODULES := 1
+#endif
+
+#ifeq ($(MAKECMDGOALS),)
+# KBUILD_MODULES := 1
+#endif
+
+export KBUILD_MODULES KBUILD_BUILTIN
+export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD
+
+# Beautify output
+# ---------------------------------------------------------------------------
+#
+# Normally, we echo the whole command before executing it. By making
+# that echo $($(quiet)$(cmd)), we now have the possibility to set
+# $(quiet) to choose other forms of output instead, e.g.
#
-# 2) Set environment variable BUILD_DIR to point to the desired location
-# 'export BUILD_DIR=/tmp/build'
-# 'make'
+# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
+# cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $<
#
-# The second approach can also be used with a MAKEALL script
-# 'export BUILD_DIR=/tmp/build'
-# './MAKEALL'
+# If $(quiet) is empty, the whole command will be printed.
+# If it is set to "quiet_", only the short version will be printed.
+# If it is set to "silent_", nothing will be printed at all, since
+# the variable $(silent_cmd_cc_o_c) doesn't exist.
#
-# Command line 'O=' setting overrides BUILD_DIR environment variable.
+# A simple variant is to prefix commands with $(Q) - that's useful
+# for commands that shall be hidden in non-verbose mode.
#
-# When none of the above methods is used the local build is performed and
-# the object files are placed in the source directory.
+# $(Q)ln $@ :<
#
+# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
+# If KBUILD_VERBOSE equals 1 then the above command is displayed.
-ifeq ("$(origin O)", "command line")
-BUILD_DIR := $(O)
+ifeq ($(KBUILD_VERBOSE),1)
+ quiet =
+ Q =
+else
+ quiet=quiet_
+ Q = @
endif
-# Call a source code checker (by default, "sparse") as part of the
-# C compilation.
-#
-# Use 'make C=1' to enable checking of re-compiled files.
-#
-# See the linux kernel file "Documentation/sparse.txt" for more details,
-# including where to get the "sparse" utility.
+# If the user is running make -s (silent mode), suppress echoing of
+# commands
-ifdef C
-ifeq ("$(origin C)", "command line")
-CHECKSRC := $(C)
+ifneq ($(filter s% -s%,$(MAKEFLAGS)),)
+ quiet=silent_
endif
+
+export quiet Q KBUILD_VERBOSE
+
+
+# Look for make include files relative to root of kernel src
+MAKEFLAGS += --include-dir=$(srctree)
+
+# We need some generic definitions (do not try to remake the file).
+$(srctree)/scripts/Kbuild.include: ;
+include $(srctree)/scripts/Kbuild.include
+
+# Make variables (CC, etc...)
+
+AS = $(CROSS_COMPILE)as
+# Always use GNU ld
+ifneq ($(shell $(CROSS_COMPILE)ld.bfd -v 2> /dev/null),)
+LD = $(CROSS_COMPILE)ld.bfd
+else
+LD = $(CROSS_COMPILE)ld
endif
-ifndef CHECKSRC
- CHECKSRC = 0
+CC = $(CROSS_COMPILE)gcc
+CPP = $(CC) -E
+AR = $(CROSS_COMPILE)ar
+NM = $(CROSS_COMPILE)nm
+LDR = $(CROSS_COMPILE)ldr
+STRIP = $(CROSS_COMPILE)strip
+OBJCOPY = $(CROSS_COMPILE)objcopy
+OBJDUMP = $(CROSS_COMPILE)objdump
+AWK = awk
+RANLIB = $(CROSS_COMPILE)RANLIB
+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_CFLAGS := -Wall -Wstrict-prototypes \
+ -Wno-format-security \
+ -fno-builtin -ffreestanding
+KBUILD_AFLAGS := -D__ASSEMBLY__
+
+# Read UBOOTRELEASE from include/config/uboot.release (if it exists)
+UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
+UBOOTVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
+
+export VERSION PATCHLEVEL SUBLEVEL UBOOTRELEASE UBOOTVERSION
+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
+export DTC CHECK CHECKFLAGS
+
+export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
+export KBUILD_CFLAGS KBUILD_AFLAGS
+
+# When compiling out-of-tree modules, put MODVERDIR in the module
+# tree rather than in the kernel tree. The kernel tree might
+# even be read-only.
+export MODVERDIR := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/).tmp_versions
+
+# Files to ignore in find ... statements
+
+RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS \
+ -o -name .pc -o -name .hg -o -name .git \) -prune -o
+export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \
+ --exclude CVS --exclude .pc --exclude .hg --exclude .git
+
+# ===========================================================================
+# Rules shared between *config targets and build targets
+
+# Basic helpers built in scripts/
+PHONY += scripts_basic
+scripts_basic:
+ $(Q)$(MAKE) $(build)=scripts/basic
+ $(Q)rm -f .tmp_quiet_recordmcount
+
+# To avoid any implicit rule to kick in, define an empty command.
+scripts/basic/%: scripts_basic ;
+
+PHONY += outputmakefile
+# outputmakefile generates a Makefile in the output directory, if using a
+# separate output directory. This allows convenient use of make in the
+# output directory.
+outputmakefile:
+ifneq ($(KBUILD_SRC),)
+ $(Q)ln -fsn $(srctree) source
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
+ $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
endif
-export CHECKSRC
-ifneq ($(BUILD_DIR),)
-saved-output := $(BUILD_DIR)
+# To make sure we do not include .config for any of the *config targets
+# catch them early, and hand them over to scripts/kconfig/Makefile
+# It is allowed to specify more targets when calling make, including
+# mixing *config targets and build targets.
+# For example 'make oldconfig all'.
+# Detect when mixed targets is specified, and make a second invocation
+# of make so .config is not included in this case either (for *config).
-# Attempt to create a output directory.
-$(shell [ -d ${BUILD_DIR} ] || mkdir -p ${BUILD_DIR})
+version_h := include/generated/version_autogenerated.h
+timestamp_h := include/generated/timestamp_autogenerated.h
-# Verify if it was successful.
-BUILD_DIR := $(shell cd $(BUILD_DIR) && /bin/pwd)
-$(if $(BUILD_DIR),,$(error output directory "$(saved-output)" does not exist))
-endif # ifneq ($(BUILD_DIR),)
+no-dot-config-targets := clean clobber mrproper distclean \
+ help %docs check% coccicheck \
+ ubootversion backup
-OBJTREE := $(if $(BUILD_DIR),$(BUILD_DIR),$(CURDIR))
-SPLTREE := $(OBJTREE)/spl
-TPLTREE := $(OBJTREE)/tpl
-SRCTREE := $(CURDIR)
-TOPDIR := $(SRCTREE)
-LNDIR := $(OBJTREE)
-export TOPDIR SRCTREE OBJTREE SPLTREE TPLTREE
+config-targets := 0
+mixed-targets := 0
+dot-config := 1
-MKCONFIG := $(SRCTREE)/mkconfig
-export MKCONFIG
+ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),)
+ ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),)
+ dot-config := 0
+ endif
+endif
-# $(obj) and (src) are defined in config.mk but here in main Makefile
-# we also need them before config.mk is included which is the case for
-# some targets like unconfig, clean, clobber, distclean, etc.
-ifneq ($(OBJTREE),$(SRCTREE))
-obj := $(OBJTREE)/
-src := $(SRCTREE)/
-else
-obj :=
-src :=
+ifeq ($(KBUILD_EXTMOD),)
+ ifneq ($(filter config %config,$(MAKECMDGOALS)),)
+ config-targets := 1
+ ifneq ($(filter-out config %config,$(MAKECMDGOALS)),)
+ mixed-targets := 1
+ endif
+ endif
endif
-export obj src
-# Make sure CDPATH settings don't interfere
-unexport CDPATH
+ifeq ($(mixed-targets),1)
+# ===========================================================================
+# We're called with mixed targets (*config and build targets).
+# Handle them one by one.
-#########################################################################
+PHONY += $(MAKECMDGOALS) build-one-by-one
-# The "tools" are needed early, so put this first
-# Don't include stuff already done in $(LIBS)
-# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
-# is "yes"), so compile examples after U-Boot is compiled.
-SUBDIR_TOOLS = tools
-SUBDIRS = $(SUBDIR_TOOLS)
+$(MAKECMDGOALS): build-one-by-one
+ @:
-.PHONY : $(SUBDIRS) $(VERSION_FILE) $(TIMESTAMP_FILE)
+build-one-by-one:
+ $(Q)set -e; \
+ for i in $(MAKECMDGOALS); do \
+ $(MAKE) -f $(srctree)/Makefile $$i; \
+ done
-ifeq ($(obj)include/config.mk,$(wildcard $(obj)include/config.mk))
+else
+ifeq ($(config-targets),1)
+# ===========================================================================
+# *config targets only - make sure prerequisites are updated, and descend
+# in scripts/kconfig to make the *config target
-# Include autoconf.mk before config.mk so that the config options are available
-# to all top level build files. We need the dummy all: target to prevent the
-# dependency target in autoconf.mk.dep from being the default.
-all:
-sinclude $(obj)include/autoconf.mk.dep
-sinclude $(obj)include/autoconf.mk
+# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed.
+# KBUILD_DEFCONFIG may point out an alternative default configuration
+# used for 'make defconfig'
-SUBDIR_EXAMPLES-y := examples/standalone
-SUBDIR_EXAMPLES-$(CONFIG_API) += examples/api
-ifndef CONFIG_SANDBOX
-SUBDIRS += $(SUBDIR_EXAMPLES-y)
-endif
+%_config:: outputmakefile
+ @$(MKCONFIG) -A $(@:_config=)
+
+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 $(obj)include/config.mk
-export ARCH CPU BOARD VENDOR SOC
+-include include/config.mk
-# set default to nothing for native builds
-ifeq ($(HOSTARCH),$(ARCH))
-CROSS_COMPILE ?=
-endif
+ifeq ($(dot-config),1)
+# Read in config
+-include include/autoconf.mk
+-include include/autoconf.mk.dep
# load other configuration
-include $(TOPDIR)/config.mk
-
-# Targets which don't build the source code
-NON_BUILD_TARGETS = backup clean clobber distclean mrproper tidy unconfig
+include $(srctree)/config.mk
-# Only do the generic board check when actually building, not configuring
-ifeq ($(filter $(NON_BUILD_TARGETS),$(MAKECMDGOALS)),)
-ifeq ($(findstring _config,$(MAKECMDGOALS)),)
-$(CHECK_GENERIC_BOARD)
-endif
+ifeq ($(wildcard include/config.mk),)
+$(error "System not configured - see README")
endif
# If board code explicitly specified LDSCRIPT or CONFIG_SYS_LDSCRIPT, use
# that (or fail if absent). Otherwise, search for a linker script in a
# standard location.
-LDSCRIPT_MAKEFILE_DIR = $(dir $(LDSCRIPT))
-
ifndef LDSCRIPT
#LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds.debug
ifdef CONFIG_SYS_LDSCRIPT
# need to strip off double quotes
- LDSCRIPT := $(CONFIG_SYS_LDSCRIPT:"%"=%)
+ LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%)
endif
endif
endif
ifeq ($(wildcard $(LDSCRIPT)),)
LDSCRIPT := $(TOPDIR)/arch/$(ARCH)/cpu/u-boot.lds
- # We don't expect a Makefile here
- LDSCRIPT_MAKEFILE_DIR =
- endif
- ifeq ($(wildcard $(LDSCRIPT)),)
-$(error could not find linker script)
endif
endif
+else
+
+
+endif # $(dot-config)
+
+KBUILD_CFLAGS += -Os #-fomit-frame-pointer
+
+ifdef BUILD_TAG
+KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"'
+endif
+
+KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
+
+KBUILD_CFLAGS += -g
+# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
+# option to the assembler.
+KBUILD_AFLAGS += -g
+
+# Report stack usage if supported
+ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
+ KBUILD_CFLAGS += -fstack-usage
+endif
+
+KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
+
+# turn jbsr into jsr for m68k
+ifeq ($(ARCH),m68k)
+ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4)
+KBUILD_AFLAGS += -Wa,-gstabs,-S
+endif
+endif
+
+ifneq ($(CONFIG_SYS_TEXT_BASE),)
+KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE)
+endif
+
+export CONFIG_SYS_TEXT_BASE
+
+# Use UBOOTINCLUDE when you must reference the include/ directory.
+# Needed to be compatible with the O= option
+UBOOTINCLUDE :=
+ifneq ($(OBJTREE),$(SRCTREE))
+UBOOTINCLUDE += -I$(OBJTREE)/include
+endif
+UBOOTINCLUDE += -I$(srctree)/include \
+ -I$(srctree)/arch/$(ARCH)/include
+
+NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include)
+CHECKFLAGS += $(NOSTDINC_FLAGS)
+
+# FIX ME
+cpp_flags := $(KBUILD_CPPFLAGS) $(PLATFORM_CPPFLAGS) $(UBOOTINCLUDE) \
+ $(NOSTDINC_FLAGS)
+c_flags := $(KBUILD_CFLAGS) $(cpp_flags)
+
#########################################################################
# U-Boot objects....order is important (i.e. start must be first)
head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o
head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o
-OBJS := $(addprefix $(obj),$(head-y))
+HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n)
-HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n)
-
-LIBS-y += lib/
-LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
-LIBS-y += $(CPUDIR)/
+libs-y += lib/
+libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/
+libs-y += $(CPUDIR)/
ifdef SOC
-LIBS-y += $(CPUDIR)/$(SOC)/
-endif
-LIBS-$(CONFIG_IXP4XX_NPE) += drivers/net/npe/
-LIBS-$(CONFIG_OF_EMBED) += dts/
-LIBS-y += arch/$(ARCH)/lib/
-LIBS-y += fs/
-LIBS-y += net/
-LIBS-y += disk/
-LIBS-y += drivers/
-LIBS-y += drivers/dma/
-LIBS-y += drivers/gpio/
-LIBS-y += drivers/i2c/
-LIBS-y += drivers/input/
-LIBS-y += drivers/mmc/
-LIBS-y += drivers/mtd/
-LIBS-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
-LIBS-y += drivers/mtd/onenand/
-LIBS-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
-LIBS-y += drivers/mtd/spi/
-LIBS-y += drivers/net/
-LIBS-y += drivers/net/phy/
-LIBS-y += drivers/pci/
-LIBS-y += drivers/power/ \
+libs-y += $(CPUDIR)/$(SOC)/
+endif
+libs-$(CONFIG_OF_EMBED) += dts/
+libs-y += arch/$(ARCH)/lib/
+libs-y += fs/
+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-y += drivers/mtd/onenand/
+libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
+libs-y += drivers/mtd/spi/
+libs-y += drivers/net/
+libs-y += drivers/net/phy/
+libs-y += drivers/pci/
+libs-y += drivers/power/ \
drivers/power/fuel_gauge/ \
drivers/power/mfd/ \
drivers/power/pmic/ \
drivers/power/battery/
-LIBS-y += drivers/spi/
-LIBS-$(CONFIG_FMAN_ENET) += drivers/net/fm/
-LIBS-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
-LIBS-y += drivers/serial/
-LIBS-y += drivers/usb/eth/
-LIBS-y += drivers/usb/gadget/
-LIBS-y += drivers/usb/host/
-LIBS-y += drivers/usb/musb/
-LIBS-y += drivers/usb/musb-new/
-LIBS-y += drivers/usb/phy/
-LIBS-y += drivers/usb/ulpi/
-LIBS-y += common/
-LIBS-y += lib/libfdt/
-LIBS-$(CONFIG_API) += api/
-LIBS-$(CONFIG_HAS_POST) += post/
-LIBS-y += test/
+libs-y += drivers/spi/
+libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/
+libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/
+libs-y += drivers/serial/
+libs-y += drivers/usb/eth/
+libs-y += drivers/usb/gadget/
+libs-y += drivers/usb/host/
+libs-y += drivers/usb/musb/
+libs-y += drivers/usb/musb-new/
+libs-y += drivers/usb/phy/
+libs-y += drivers/usb/ulpi/
+libs-y += common/
+libs-y += lib/libfdt/
+libs-$(CONFIG_API) += api/
+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/
+libs-y += arch/$(ARCH)/imx-common/
endif
-LIBS-$(CONFIG_ARM) += arch/arm/cpu/
-LIBS-$(CONFIG_PPC) += arch/powerpc/cpu/
+libs-$(CONFIG_ARM) += arch/arm/cpu/
+libs-$(CONFIG_PPC) += arch/powerpc/cpu/
-LIBS-y += board/$(BOARDDIR)/
+libs-y += $(if $(BOARDDIR),board/$(BOARDDIR)/)
+
+libs-y := $(sort $(libs-y))
+
+u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples
+
+u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-))))
+
+libs-y := $(patsubst %/, %/built-in.o, $(libs-y))
+
+u-boot-init := $(head-y)
+u-boot-main := $(libs-y)
-LIBS-y := $(patsubst %/, %/built-in.o, $(LIBS-y))
-LIBS := $(addprefix $(obj),$(sort $(LIBS-y)))
-.PHONY : $(LIBS)
# Add GCC lib
-ifdef USE_PRIVATE_LIBGCC
-ifeq ("$(USE_PRIVATE_LIBGCC)", "yes")
-PLATFORM_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/libgcc.o
+ifdef CONFIG_USE_PRIVATE_LIBGCC
+ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y)
+PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a
else
-PLATFORM_LIBGCC = -L $(USE_PRIVATE_LIBGCC) -lgcc
+PLATFORM_LIBGCC = -L $(CONFIG_USE_PRIVATE_LIBGCC) -lgcc
endif
else
-PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(CFLAGS) -print-libgcc-file-name`) -lgcc
+PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
endif
PLATFORM_LIBS += $(PLATFORM_LIBGCC)
export PLATFORM_LIBS
$(shell $(LD) --version | \
sed -ne 's/GNU ld version \([0-9][0-9]*\)\.\([0-9][0-9]*\).*/-DLD_MAJOR=\1 -DLD_MINOR=\2/p')
-__OBJS := $(subst $(obj),,$(OBJS))
-__LIBS := $(subst $(obj),,$(LIBS))
-
#########################################################################
#########################################################################
DO_STATIC_RELA = \
start=$$($(NM) $(1) | grep __rel_dyn_start | cut -f 1 -d ' '); \
end=$$($(NM) $(1) | grep __rel_dyn_end | cut -f 1 -d ' '); \
- $(obj)tools/relocate-rela $(2) $(3) $$start $$end
+ tools/relocate-rela $(2) $(3) $$start $$end
else
DO_STATIC_RELA =
endif
# Always append ALL so that arch config.mk's can add custom ones
-ALL-y += $(obj)u-boot.srec $(obj)u-boot.bin $(obj)System.map
-
-ALL-$(CONFIG_NAND_U_BOOT) += $(obj)u-boot-nand.bin
-ALL-$(CONFIG_ONENAND_U_BOOT) += $(obj)u-boot-onenand.bin
-ALL-$(CONFIG_RAMBOOT_PBL) += $(obj)u-boot.pbl
-ALL-$(CONFIG_SPL) += $(obj)spl/u-boot-spl.bin
-ALL-$(CONFIG_SPL_FRAMEWORK) += $(obj)u-boot.img
-ALL-$(CONFIG_TPL) += $(obj)tpl/u-boot-tpl.bin
-ALL-$(CONFIG_OF_SEPARATE) += $(obj)u-boot.dtb $(obj)u-boot-dtb.bin
+ALL-y += u-boot.srec u-boot.bin System.map
+
+ALL-$(CONFIG_NAND_U_BOOT) += u-boot-nand.bin
+ALL-$(CONFIG_ONENAND_U_BOOT) += u-boot-onenand.bin
+ALL-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl
+ALL-$(CONFIG_SPL) += spl/u-boot-spl.bin
+ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
+ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
+ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb u-boot-dtb.bin
+ALL-$(CONFIG_OF_HOSTFILE) += u-boot.dtb
ifneq ($(CONFIG_SPL_TARGET),)
-ALL-$(CONFIG_SPL) += $(obj)$(CONFIG_SPL_TARGET:"%"=%)
+ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
endif
-ALL-$(CONFIG_REMAKE_ELF) += $(obj)u-boot.elf
+ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
# enable combined SPL/u-boot/dtb rules for tegra
ifneq ($(CONFIG_TEGRA),)
ifeq ($(CONFIG_SPL),y)
ifeq ($(CONFIG_OF_SEPARATE),y)
-ALL-y += $(obj)u-boot-dtb-tegra.bin
+ALL-y += u-boot-dtb-tegra.bin
else
-ALL-y += $(obj)u-boot-nodtb-tegra.bin
+ALL-y += u-boot-nodtb-tegra.bin
endif
endif
endif
-build := -f $(TOPDIR)/scripts/Makefile.build -C
+LDFLAGS_u-boot += $(LDFLAGS_FINAL)
+ifneq ($(CONFIG_SYS_TEXT_BASE),)
+LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
+endif
-all: $(ALL-y) $(SUBDIR_EXAMPLES-y)
+quiet_cmd_objcopy = OBJCOPY $@
+cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
-$(obj)u-boot.dtb: checkdtc $(obj)u-boot
- $(MAKE) $(build) dts binary
- mv $(obj)dts/dt.dtb $@
+quiet_cmd_mkimage = UIMAGE $@
+cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
+ $(if $(KBUILD_VERBOSE:1=), >/dev/null)
-$(obj)u-boot-dtb.bin: $(obj)u-boot.bin $(obj)u-boot.dtb
- cat $^ >$@
+quiet_cmd_cat = CAT $@
+cmd_cat = cat $(filter-out $(PHONY), $^) > $@
-$(obj)u-boot.hex: $(obj)u-boot
- $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@
+append = cat $(filter-out $< $(PHONY), $^) >> $@
-$(obj)u-boot.srec: $(obj)u-boot
- $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@
+quiet_cmd_pad_cat = CAT $@
+cmd_pad_cat = $(cmd_objcopy) && $(append) || rm -f $@
-$(obj)u-boot.bin: $(obj)u-boot
- $(OBJCOPY) ${OBJCFLAGS} -O binary $< $@
- $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
- $(BOARD_SIZE_CHECK)
+all: $(ALL-y)
+
+PHONY += dtbs
+dtbs dts/dt.dtb: checkdtc u-boot
+ $(Q)$(MAKE) $(build)=dts dtbs
+
+u-boot-dtb.bin: u-boot.bin dts/dt.dtb FORCE
+ $(call if_changed,cat)
+
+quiet_cmd_copy = COPY $@
+ cmd_copy = cp $< $@
+
+u-boot.dtb: dts/dt.dtb
+ $(call cmd,copy)
+
+OBJCOPYFLAGS_u-boot.hex := -O ihex
+
+OBJCOPYFLAGS_u-boot.srec := -O srec
+
+u-boot.hex u-boot.srec: u-boot FORCE
+ $(call if_changed,objcopy)
+
+OBJCOPYFLAGS_u-boot.bin := -O binary
-$(obj)u-boot.ldr: $(obj)u-boot
+u-boot.bin: u-boot FORCE
+ $(call if_changed,objcopy)
+ $(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
+ $(BOARD_SIZE_CHECK)
+
+u-boot.ldr: u-boot
$(CREATE_LDR_ENV)
$(LDR) -T $(CONFIG_BFIN_CPU) -c $@ $< $(LDR_FLAGS)
$(BOARD_SIZE_CHECK)
-$(obj)u-boot.ldr.hex: $(obj)u-boot.ldr
- $(OBJCOPY) ${OBJCFLAGS} -O ihex $< $@ -I binary
+OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex
+
+OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec
-$(obj)u-boot.ldr.srec: $(obj)u-boot.ldr
- $(OBJCOPY) ${OBJCFLAGS} -O srec $< $@ -I binary
+u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE
+ $(call if_changed,objcopy)
#
# U-Boot entry point, needed for booting of full-blown U-Boot
CONFIG_SYS_UBOOT_START := 0
endif
-$(obj)u-boot.img: $(obj)u-boot.bin
- $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
- -O u-boot -a $(CONFIG_SYS_TEXT_BASE) \
- -e $(CONFIG_SYS_UBOOT_START) \
- -n $(shell sed -n -e 's/.*U_BOOT_VERSION//p' $(VERSION_FILE) | \
- sed -e 's/"[ ]*$$/ for $(BOARD) board"/') \
- -d $< $@
+MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \
+ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \
+ -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board"
-$(obj)u-boot.imx: $(obj)u-boot.bin depend
- $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx
+MKIMAGEFLAGS_u-boot.kwb = -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
+ -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE)
-$(obj)u-boot.kwb: $(obj)u-boot.bin
- $(obj)tools/mkimage -n $(CONFIG_SYS_KWD_CONFIG) -T kwbimage \
- -a $(CONFIG_SYS_TEXT_BASE) -e $(CONFIG_SYS_TEXT_BASE) -d $< $@
+MKIMAGEFLAGS_u-boot.pbl = -n $(CONFIG_SYS_FSL_PBL_RCW) \
+ -R $(CONFIG_SYS_FSL_PBL_PBI) -T pblimage
-$(obj)u-boot.pbl: $(obj)u-boot.bin
- $(obj)tools/mkimage -n $(CONFIG_PBLRCW_CONFIG) \
- -R $(CONFIG_PBLPBI_CONFIG) -T pblimage \
- -d $< $@
+u-boot.img u-boot.kwb u-boot.pbl: u-boot.bin FORCE
+ $(call if_changed,mkimage)
-$(obj)u-boot.sha1: $(obj)u-boot.bin
- $(obj)tools/ubsha1 $(obj)u-boot.bin
+u-boot.imx: u-boot.bin
+ $(Q)$(MAKE) $(build)=arch/arm/imx-common $@
-$(obj)u-boot.dis: $(obj)u-boot
- $(OBJDUMP) -d $< > $@
+u-boot.sha1: u-boot.bin
+ tools/ubsha1 u-boot.bin
-# $@ is output, $(1) and $(2) are inputs, $(3) is padded intermediate,
-# $(4) is pad-to
-SPL_PAD_APPEND = \
- $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(4) -I binary -O binary \
- $(1) $(obj)$(3); \
- cat $(obj)$(3) $(2) > $@; \
- rm $(obj)$(3)
+u-boot.dis: u-boot
+ $(OBJDUMP) -d $< > $@
ifdef CONFIG_TPL
-SPL_PAYLOAD := $(obj)tpl/u-boot-with-tpl.bin
+SPL_PAYLOAD := tpl/u-boot-with-tpl.bin
else
-SPL_PAYLOAD := $(obj)u-boot.bin
+SPL_PAYLOAD := u-boot.bin
endif
-$(obj)u-boot-with-spl.bin: $(obj)spl/u-boot-spl.bin $(SPL_PAYLOAD)
- $(call SPL_PAD_APPEND,$<,$(SPL_PAYLOAD),spl/u-boot-spl-pad.bin,$(CONFIG_SPL_PAD_TO))
+OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \
+ --pad-to=$(CONFIG_SPL_PAD_TO)
+u-boot-with-spl.bin: spl/u-boot-spl.bin $(SPL_PAYLOAD) FORCE
+ $(call if_changed,pad_cat)
-$(obj)tpl/u-boot-with-tpl.bin: $(obj)tpl/u-boot-tpl.bin $(obj)u-boot.bin
- $(call SPL_PAD_APPEND,$<,$(obj)u-boot.bin,tpl/u-boot-tpl-pad.bin,$(CONFIG_TPL_PAD_TO))
+OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \
+ --pad-to=$(CONFIG_TPL_PAD_TO)
+tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE
+ $(call if_changed,pad_cat)
-$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
- $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
- $(OBJTREE)/u-boot-with-spl.imx
+SPL: spl/u-boot-spl.bin FORCE
+ $(Q)$(MAKE) $(build)=arch/arm/imx-common $@
-$(obj)u-boot-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
- $(MAKE) $(build) $(SRCTREE)/arch/arm/imx-common \
- $(OBJTREE)/u-boot-with-nand-spl.imx
+u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE
+ $(Q)$(MAKE) $(build)=arch/arm/imx-common $@
-$(obj)u-boot.ubl: $(obj)u-boot-with-spl.bin
- $(obj)tools/mkimage -n $(UBL_CONFIG) -T ublimage \
- -e $(CONFIG_SYS_TEXT_BASE) -d $< $(obj)u-boot.ubl
+MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE)
-$(obj)u-boot.ais: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
- $(obj)tools/mkimage -s -n $(if $(CONFIG_AIS_CONFIG_FILE),$(CONFIG_AIS_CONFIG_FILE),"/dev/null") \
- -T aisimage \
- -e $(CONFIG_SPL_TEXT_BASE) \
- -d $(obj)spl/u-boot-spl.bin \
- $(obj)spl/u-boot-spl.ais
- $(OBJCOPY) ${OBJCFLAGS} -I binary \
- --pad-to=$(CONFIG_SPL_MAX_SIZE) -O binary \
- $(obj)spl/u-boot-spl.ais $(obj)spl/u-boot-spl-pad.ais
- cat $(obj)spl/u-boot-spl-pad.ais $(obj)u-boot.img > \
- $(obj)u-boot.ais
+u-boot.ubl: u-boot-with-spl.bin FORCE
+ $(call if_changed,mkimage)
+MKIMAGEFLAGS_u-boot-spl.ais = -s -n $(if $(CONFIG_AIS_CONFIG_FILE), \
+ $(srctree)/$(CONFIG_AIS_CONFIG_FILE:"%"=%),"/dev/null") \
+ -T aisimage -e $(CONFIG_SPL_TEXT_BASE)
+spl/u-boot-spl.ais: spl/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
-$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin
- $(MAKE) $(build) $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb
+OBJCOPYFLAGS_u-boot.ais = -I binary -O binary --pad-to=$(CONFIG_SPL_MAX_SIZE)
+u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE
+ $(call if_changed,pad_cat)
+
+u-boot.sb: u-boot.bin spl/u-boot-spl.bin
+ $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs $(objtree)/u-boot.sb
# On x600 (SPEAr600) U-Boot is appended to U-Boot SPL.
# Both images are created using mkimage (crc etc), so that the ROM
# SPL image (with mkimage header) and not the binary. Otherwise the resulting image
# which is loaded/copied by the ROM bootloader to SRAM doesn't fit.
# The resulting image containing both U-Boot images is called u-boot.spr
-$(obj)u-boot.spr: $(obj)u-boot.img $(obj)spl/u-boot-spl.bin
- $(obj)tools/mkimage -A $(ARCH) -T firmware -C none \
- -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER \
- -d $(obj)spl/u-boot-spl.bin $@
- $(OBJCOPY) -I binary -O binary \
- --pad-to=$(CONFIG_SPL_PAD_TO) --gap-fill=0xff $@
- cat $(obj)u-boot.img >> $@
+MKIMAGEFLAGS_u-boot-spl.img = -A $(ARCH) -T firmware -C none \
+ -a $(CONFIG_SPL_TEXT_BASE) -e $(CONFIG_SPL_TEXT_BASE) -n XLOADER
+spl/u-boot-spl.img: spl/u-boot-spl.bin FORCE
+ $(call if_changed,mkimage)
+
+OBJCOPYFLAGS_u-boot.spr = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
+ --gap-fill=0xff
+u-boot.spr: spl/u-boot-spl.img u-boot.img FORCE
+ $(call if_changed,pad_cat)
ifneq ($(CONFIG_TEGRA),)
-$(obj)u-boot-nodtb-tegra.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin
- $(OBJCOPY) ${OBJCFLAGS} --pad-to=$(CONFIG_SYS_TEXT_BASE) -O binary $(obj)spl/u-boot-spl $(obj)spl/u-boot-spl-pad.bin
- cat $(obj)spl/u-boot-spl-pad.bin $(obj)u-boot.bin > $@
- rm $(obj)spl/u-boot-spl-pad.bin
+OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
+u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot.bin FORCE
+ $(call if_changed,pad_cat)
ifeq ($(CONFIG_OF_SEPARATE),y)
-$(obj)u-boot-dtb-tegra.bin: $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb
- cat $(obj)u-boot-nodtb-tegra.bin $(obj)u-boot.dtb > $@
+u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE
+ $(call if_changed,cat)
endif
endif
-$(obj)u-boot-img.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
- cat $(obj)spl/u-boot-spl.bin $(obj)u-boot.img > $@
+u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
+ $(call if_changed,cat)
# PPC4xx needs the SPL at the end of the image, since the reset vector
# is located at 0xfffffffc. So we can't use the "u-boot-img.bin" target
# and need to introduce a new build target with the full blown U-Boot
# at the start padded up to the start of the SPL image. And then concat
# the SPL image to the end.
-$(obj)u-boot-img-spl-at-end.bin: $(obj)spl/u-boot-spl.bin $(obj)u-boot.img
- $(OBJCOPY) -I binary -O binary --pad-to=$(CONFIG_UBOOT_PAD_TO) \
- --gap-fill=0xff $(obj)u-boot.img $@
- cat $(obj)spl/u-boot-spl.bin >> $@
+
+OBJCOPYFLAGS_u-boot-img-spl-at-end.bin := -I binary -O binary \
+ --pad-to=$(CONFIG_UBOOT_PAD_TO) --gap-fill=0xff
+u-boot-img-spl-at-end.bin: u-boot.img spl/u-boot-spl.bin FORCE
+ $(call if_changed,pad_cat)
# Create a new ELF from a raw binary file. This is useful for arm64
# where static relocation needs to be performed on the raw binary,
# but certain simulators only accept an ELF file (but don't do the
# relocation).
# FIXME refactor dts/Makefile to share target/arch detection
-$(obj)u-boot.elf: $(obj)u-boot.bin
+u-boot.elf: u-boot.bin
@$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \
- $< $(obj)u-boot-elf.o
- @$(LD) $(obj)u-boot-elf.o -o $@ \
+ $< u-boot-elf.o
+ @$(LD) u-boot-elf.o -o $@ \
--defsym=_start=$(CONFIG_SYS_TEXT_BASE) \
-Ttext=$(CONFIG_SYS_TEXT_BASE)
-ifeq ($(CONFIG_SANDBOX),y)
-GEN_UBOOT = \
- cd $(LNDIR) && $(CC) $(SYMS) -T $(obj)u-boot.lds \
- -Wl,--start-group $(__LIBS) -Wl,--end-group \
- $(PLATFORM_LIBS) -Wl,-Map -Wl,u-boot.map -o u-boot
-else
-GEN_UBOOT = \
- cd $(LNDIR) && $(LD) $(LDFLAGS) $(LDFLAGS_$(@F)) \
- $(__OBJS) \
- --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
- -Map u-boot.map -o u-boot
-endif
+# Rule to link u-boot
+# May be overridden by arch/$(ARCH)/config.mk
+quiet_cmd_u-boot__ ?= LD $@
+ cmd_u-boot__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_u-boot) -o $@ \
+ -T u-boot.lds $(u-boot-init) \
+ --start-group $(u-boot-main) --end-group \
+ $(PLATFORM_LIBS) -Map u-boot.map
-$(obj)u-boot: depend \
- $(SUBDIR_TOOLS) $(OBJS) $(LIBS) $(obj)u-boot.lds
- $(GEN_UBOOT)
+u-boot: $(u-boot-init) $(u-boot-main) u-boot.lds
+ $(call if_changed,u-boot__)
ifeq ($(CONFIG_KALLSYMS),y)
- smap=`$(call SYSTEM_MAP,$(obj)u-boot) | \
- awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
- $(CC) $(CFLAGS) -DSYSTEM_MAP="\"$${smap}\"" \
- -c common/system_map.c -o $(obj)common/system_map.o
- $(GEN_UBOOT) $(obj)common/system_map.o
+ smap=`$(call SYSTEM_MAP,u-boot) | \
+ awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \
+ $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \
+ -c $(srctree)/common/system_map.c -o common/system_map.o
+ $(call cmd,u-boot__) common/system_map.o
endif
-$(OBJS):
- @:
+# The actual objects are generated when descending,
+# make sure no implicit rule kicks in
+$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ;
+
+# Handle descending into subdirectories listed in $(vmlinux-dirs)
+# Preset locale variables to speed up the build process. Limit locale
+# tweaks to this spot to avoid wrong language settings when running
+# make menuconfig etc.
+# Error messages still appears in the original language
+
+PHONY += $(u-boot-dirs)
+$(u-boot-dirs): prepare scripts
+ $(Q)$(MAKE) $(build)=$@
+
+tools: prepare
+# The "tools" are needed early
+$(filter-out tools, $(u-boot-dirs)): tools
+# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC
+# is "yes"), so compile examples after U-Boot is compiled.
+examples: $(filter-out examples, $(u-boot-dirs))
+
+define filechk_uboot.release
+ echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+endef
+
+# Store (new) UBOOTRELEASE string in include/config/uboot.release
+include/config/uboot.release: Makefile FORCE
+ $(call filechk,uboot.release)
+
+
+# Things we need to do before we recursively start building the kernel
+# or the modules are listed in "prepare".
+# A multi level approach is used. prepareN is processed before prepareN-1.
+# archprepare is used in arch Makefiles and when processed asm symlink,
+# version.h and scripts_basic is processed / created.
+
+# Listed in dependency order
+PHONY += prepare archprepare prepare0 prepare1 prepare2 prepare3
+
+# prepare3 is used to check if we are building in a separate output directory,
+# and if so do:
+# 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 \
+ echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \
+ echo >&2 " in the '$(srctree)' directory.";\
+ /bin/false; \
+ fi;
+endif
-$(LIBS): depend $(SUBDIR_TOOLS)
- $(MAKE) $(build) $(dir $(subst $(obj),,$@))
+# prepare2 creates a makefile if using a separate output directory
+prepare2: prepare3 outputmakefile
-$(SUBDIRS): depend
- $(MAKE) -C $@ all
+prepare1: prepare2 $(version_h) $(timestamp_h)
+ifeq ($(__HAVE_ARCH_GENERIC_BOARD),)
+ifeq ($(CONFIG_SYS_GENERIC_BOARD),y)
+ @echo >&2 " Your architecture does not support generic board."
+ @echo >&2 " Please undefine CONFIG_SYS_GENERIC_BOARD in your board config file."
+ @/bin/false
+endif
+endif
+ifeq ($(wildcard $(LDSCRIPT)),)
+ @echo >&2 " Could not find linker script."
+ @/bin/false
+endif
+
+archprepare: prepare1 scripts_basic
+
+prepare0: archprepare FORCE
+ $(Q)$(MAKE) $(build)=.
+
+# All the preparing..
+prepare: prepare0
+
+# Generate some files
+# ---------------------------------------------------------------------------
+
+define filechk_version.h
+ (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \
+ echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \
+ echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \
+ echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; )
+endef
-$(SUBDIR_EXAMPLES-y): $(obj)u-boot
+define filechk_timestamp.h
+ (LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \
+ LC_ALL=C date +'#define U_BOOT_TIME "%T"')
+endef
-$(obj)u-boot.lds: $(LDSCRIPT) depend
- $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@
+$(version_h): include/config/uboot.release FORCE
+ $(call filechk,version.h)
-nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend
- $(MAKE) -C nand_spl/board/$(BOARDDIR) all
+$(timestamp_h): $(srctree)/Makefile FORCE
+ $(call filechk,timestamp.h)
-$(obj)u-boot-nand.bin: nand_spl $(obj)u-boot.bin
- cat $(obj)nand_spl/u-boot-spl-16k.bin $(obj)u-boot.bin > $(obj)u-boot-nand.bin
+#
+# Auto-generate the autoconf.mk file (which is included by all makefiles)
+#
+# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
+# the dep file is only include in this top level makefile to determine when
+# to regenerate the autoconf.mk file.
-$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend
- $(MAKE) -C spl all
+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 $@
-$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend
- $(MAKE) -C spl all CONFIG_TPL_BUILD=y
+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
-# Explicitly make _depend in subdirs containing multiple targets to prevent
-# parallel sub-makes creating .depend files simultaneously.
-depend dep: $(TIMESTAMP_FILE) $(VERSION_FILE) \
- $(obj)include/spl-autoconf.mk \
- $(obj)include/tpl-autoconf.mk \
- $(obj)include/autoconf.mk \
- $(obj)include/generated/generic-asm-offsets.h \
- $(obj)include/generated/asm-offsets.h
+include/autoconf.mk: include/config.h
+ $(call cmd,autoconf)
-TAG_SUBDIRS = $(SUBDIRS)
-TAG_SUBDIRS += $(dir $(__LIBS))
-TAG_SUBDIRS += include
+# ---------------------------------------------------------------------------
+
+PHONY += depend dep
+depend dep:
+ @echo '*** Warning: make $@ is unnecessary now.'
+
+# ---------------------------------------------------------------------------
+quiet_cmd_cpp_lds = LDS $@
+cmd_cpp_lds = $(CPP) $(cpp_flags) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ \
+ -x assembler-with-cpp -P -o $@ $<
+
+u-boot.lds: $(LDSCRIPT) prepare FORCE
+ $(call if_changed,cpp_lds)
+
+PHONY += nand_spl
+nand_spl: prepare
+ $(Q)$(MAKE) $(build)=nand_spl/board/$(BOARDDIR) all
+ @echo >&2
+ @echo >&2 "==================== WARNING ====================="
+ @echo >&2 "nand_spl will not be included in v2014.07 release."
+ @echo >&2 "Please switch over to SPL."
+ @echo >&2 "Otherwise, this board will be removed."
+ @echo >&2 "=================================================="
+ @echo >&2
+
+nand_spl/u-boot-spl-16k.bin: nand_spl
+ @:
+
+u-boot-nand.bin: nand_spl/u-boot-spl-16k.bin u-boot.bin FORCE
+ $(call if_changed,cat)
+
+spl/u-boot-spl.bin: spl/u-boot-spl
+ @:
+spl/u-boot-spl: tools prepare
+ $(Q)$(MAKE) obj=spl -f $(srctree)/spl/Makefile all
+
+tpl/u-boot-tpl.bin: tools prepare
+ $(Q)$(MAKE) obj=tpl -f $(srctree)/spl/Makefile all CONFIG_TPL_BUILD=y
+
+TAG_SUBDIRS := $(u-boot-dirs) include
FIND := find
FINDFLAGS := -L
-checkstack:
- $(CROSS_COMPILE)objdump -d $(obj)u-boot \
- `$(FIND) $(obj) -name u-boot-spl -print` | \
- perl $(src)scripts/checkstack.pl $(ARCH)
-
tags ctags:
- ctags -w -o $(obj)ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
+ ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \
-name '*.[chS]' -print`
etags:
$(NM) $1 | \
grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
LC_ALL=C sort
-$(obj)System.map: $(obj)u-boot
+System.map: u-boot
@$(call SYSTEM_MAP,$<) > $@
-checkthumb:
- @if test $(call cc-version) -lt 0404; then \
- echo -n '*** Your GCC does not produce working '; \
- echo 'binaries in THUMB mode.'; \
- echo '*** Your board is configured for THUMB mode.'; \
- false; \
- fi
-
-# GCC 3.x is reported to have problems generating the type of relocation
-# that U-Boot wants.
-# See http://lists.denx.de/pipermail/u-boot/2012-September/135156.html
-checkgcc4:
- @if test $(call cc-version) -lt 0400; then \
- echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \
- false; \
- fi
-
checkdtc:
@if test $(call dtc-version) -lt 0104; then \
echo '*** Your dtc is too old, please upgrade to dtc 1.4 or newer'; \
false; \
fi
-#
-# Auto-generate the autoconf.mk file (which is included by all makefiles)
-#
-# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep.
-# the dep file is only include in this top level makefile to determine when
-# to regenerate the autoconf.mk file.
-$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h
- @$(XECHO) Generating $@ ; \
- : Generate the dependancies ; \
- $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \
- -MQ $(obj)include/autoconf.mk include/common.h > $@ || \
- rm $@
-
-$(obj)include/autoconf.mk: $(obj)include/config.h
- @$(XECHO) Generating $@ ; \
- : Extract the config macros ; \
- $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
- sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
- rm $@.tmp
-
-# Auto-generate the spl-autoconf.mk file (which is included by all makefiles for SPL)
-$(obj)include/tpl-autoconf.mk: $(obj)include/config.h
- @$(XECHO) Generating $@ ; \
- : Extract the config macros ; \
- $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\
- -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
- sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
- rm $@.tmp
-
-$(obj)include/spl-autoconf.mk: $(obj)include/config.h
- @$(XECHO) Generating $@ ; \
- : Extract the config macros ; \
- $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h > $@.tmp && \
- sed -n -f tools/scripts/define2mk.sed $@.tmp > $@; \
- rm $@.tmp
-
-$(obj)include/generated/generic-asm-offsets.h: $(obj)lib/asm-offsets.s
- @$(XECHO) Generating $@
- tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
-
-$(obj)lib/asm-offsets.s: $(obj)include/config.h $(src)lib/asm-offsets.c
- @mkdir -p $(obj)lib
- $(CC) -DDO_DEPS_ONLY \
- $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
- -o $@ $(src)lib/asm-offsets.c -c -S
-
-$(obj)include/generated/asm-offsets.h: $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
- @$(XECHO) Generating $@
- tools/scripts/make-asm-offsets $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s $@
-
-$(obj)$(CPUDIR)/$(SOC)/asm-offsets.s: $(obj)include/config.h
- @mkdir -p $(obj)$(CPUDIR)/$(SOC)
- if [ -f $(src)$(CPUDIR)/$(SOC)/asm-offsets.c ];then \
- $(CC) -DDO_DEPS_ONLY \
- $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
- -o $@ $(src)$(CPUDIR)/$(SOC)/asm-offsets.c -c -S; \
- else \
- touch $@; \
- fi
-
#########################################################################
-else # !config.mk
-all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
-$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \
-$(filter-out tools,$(SUBDIRS)) \
-depend dep tags ctags etags cscope $(obj)System.map:
- @echo "System not configured - see README" >&2
- @ exit 1
-
-tools: $(VERSION_FILE) $(TIMESTAMP_FILE)
- $(MAKE) -C $@ all
-endif # config.mk
# ARM relocations should all be R_ARM_RELATIVE (32-bit) or
# R_AARCH64_RELATIVE (64-bit).
-checkarmreloc: $(obj)u-boot
+checkarmreloc: u-boot
@RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \
grep R_A | sort -u`"; \
if test "$$RELOC" != "R_ARM_RELATIVE" -a \
false; \
fi
-$(VERSION_FILE):
- @mkdir -p $(dir $(VERSION_FILE))
- @( localvers='$(shell $(TOPDIR)/scripts/setlocalversion $(TOPDIR))' ; \
- printf '#define PLAIN_VERSION "%s%s"\n' \
- "$(U_BOOT_VERSION)" "$${localvers}" ; \
- printf '#define U_BOOT_VERSION "U-Boot %s%s"\n' \
- "$(U_BOOT_VERSION)" "$${localvers}" ; \
- ) > $@.tmp
- @( printf '#define CC_VERSION_STRING "%s"\n' \
- '$(shell $(CC) --version | head -n 1)' )>> $@.tmp
- @( printf '#define LD_VERSION_STRING "%s"\n' \
- '$(shell $(LD) -v | head -n 1)' )>> $@.tmp
- @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
-
-$(TIMESTAMP_FILE):
- @mkdir -p $(dir $(TIMESTAMP_FILE))
- @LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"' > $@.tmp
- @LC_ALL=C date +'#define U_BOOT_TIME "%T"' >> $@.tmp
- @cmp -s $@ $@.tmp && rm -f $@.tmp || mv -f $@.tmp $@
-
-easylogo env gdb:
- $(MAKE) -C tools/$@ all MTD_VERSION=${MTD_VERSION}
-gdbtools: gdb
-
-xmldocs pdfdocs psdocs htmldocs mandocs: tools/kernel-doc/docproc
- $(MAKE) U_BOOT_VERSION=$(U_BOOT_VERSION) -C doc/DocBook/ $@
-
-tools-all: easylogo env gdb $(VERSION_FILE) $(TIMESTAMP_FILE)
- $(MAKE) -C tools HOST_TOOLS_ALL=y
+env: scripts_basic
+ $(Q)$(MAKE) $(build)=tools/$@
+
+tools-all: export HOST_TOOLS_ALL=y
+tools-all: env tools ;
+
+cross_tools: export CROSS_BUILD_TOOLS=y
+cross_tools: tools ;
.PHONY : CHANGELOG
CHANGELOG:
cat COPYING | gzip -9 -c | ./tools/bin2header license_gzip > include/license.h
#########################################################################
-unconfig:
- @rm -f $(obj)include/config.h $(obj)include/config.mk \
- $(obj)board/*/config.tmp $(obj)board/*/*/config.tmp \
- $(obj)include/autoconf.mk $(obj)include/autoconf.mk.dep \
- $(obj)include/spl-autoconf.mk \
- $(obj)include/tpl-autoconf.mk
+###
+# Cleaning is done on three levels.
+# make clean Delete most generated files
+# Leave enough to build external modules
+# make mrproper Delete the current configuration, and all generated files
+# make distclean Remove editor backup files, patch leftover files and the like
+
+# 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
+
+# Directories & files removed with 'make clobber'
+CLOBBER_DIRS += $(patsubst %,spl/%, $(filter-out Makefile, \
+ $(shell ls -1 spl 2>/dev/null))) \
+ tpl
+CLOBBER_FILES += u-boot* MLO* SPL System.map nand_spl/u-boot*
+
+# Directories & files removed with 'make mrproper'
+MRPROPER_DIRS += include/config include/generated
+MRPROPER_FILES += .config .config.old \
+ tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
+ include/config.h include/config.mk
+
+# clean - Delete most, but leave enough to build external modules
+#
+clean: rm-dirs := $(CLEAN_DIRS)
+clean: rm-files := $(CLEAN_FILES)
+
+clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $f/Makefile),$f))
+
+clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook)
+
+PHONY += $(clean-dirs) clean archclean
+$(clean-dirs):
+ $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
+
+# TODO: Do not use *.cfgtmp
+clean: $(clean-dirs)
+ $(call cmd,rmdirs)
+ $(call cmd,rmfiles)
+ @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
+ \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
+ -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \
+ -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
+ -o -name '*.symtypes' -o -name 'modules.order' \
+ -o -name modules.builtin -o -name '.tmp_*.o.*' \
+ -o -name '*.gcno' \) -type f -print | xargs rm -f
+ @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
+ -path './nand_spl/*' -type l -print | xargs rm -f
+
+# clobber
+#
+clobber: rm-dirs := $(CLOBBER_DIRS)
+clobber: rm-files := $(CLOBBER_FILES)
-%_config:: unconfig
- @$(MKCONFIG) -A $(@:_config=)
+PHONY += clobber
-sinclude $(obj).boards.depend
-$(obj).boards.depend: boards.cfg
- @awk '(NF && $$1 !~ /^#/) { print $$7 ": " $$7 "_config; $$(MAKE)" }' $< > $@
+clobber: clean
+ $(call cmd,rmdirs)
+ $(call cmd,rmfiles)
-#########################################################################
-#########################################################################
+# mrproper - Delete all generated files, including .config
+#
+mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS))
+mrproper: rm-files := $(wildcard $(MRPROPER_FILES))
+mrproper-dirs := $(addprefix _mrproper_,scripts)
-clean:
- @rm -f $(obj)examples/standalone/atmel_df_pow2 \
- $(obj)examples/standalone/hello_world \
- $(obj)examples/standalone/interrupt \
- $(obj)examples/standalone/mem_to_mem_idma2intr \
- $(obj)examples/standalone/sched \
- $(obj)examples/standalone/smc911{11,x}_eeprom \
- $(obj)examples/standalone/test_burst \
- $(obj)examples/standalone/timer
- @rm -f $(obj)examples/api/demo{,.bin}
- @rm -f $(obj)tools/bmp_logo $(obj)tools/easylogo/easylogo \
- $(obj)tools/env/fw_printenv \
- $(obj)tools/envcrc \
- $(obj)tools/gdb/{gdbcont,gdbsend} \
- $(obj)tools/gen_eth_addr $(obj)tools/img2srec \
- $(obj)tools/dump{env,}image \
- $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \
- $(obj)tools/mk{$(BOARD),}spl \
- $(obj)tools/mxsboot \
- $(obj)tools/ncb $(obj)tools/ubsha1 \
- $(obj)tools/kernel-doc/docproc \
- $(obj)tools/proftool
- @rm -f $(obj)board/cray/L1/{bootscript.c,bootscript.image} \
- $(obj)board/matrix_vision/*/bootscript.img \
- $(obj)u-boot.lds \
- $(obj)arch/blackfin/cpu/init.{lds,elf}
- @rm -f $(obj)include/bmp_logo.h
- @rm -f $(obj)include/bmp_logo_data.h
- @rm -f $(obj)lib/asm-offsets.s
- @rm -f $(obj)include/generated/asm-offsets.h
- @rm -f $(obj)$(CPUDIR)/$(SOC)/asm-offsets.s
- @rm -f $(TIMESTAMP_FILE) $(VERSION_FILE)
- @$(MAKE) -s -C doc/DocBook/ cleandocs
- @find $(OBJTREE) -type f \
- \( -name 'core' -o -name '*.bak' -o -name '*~' -o -name '*.su' \
- -o -name '*.o' -o -name '*.a' -o -name '*.exe' \
- -o -name '*.cfgtmp' \) -print \
- | xargs rm -f
-
-# Removes everything not needed for testing u-boot
-tidy: clean
- @find $(OBJTREE) -type f \( -name '*.depend*' \) -print | xargs rm -f
-
-clobber: tidy
- @find $(OBJTREE) -type f \( -name '*.srec' \
- -o -name '*.bin' -o -name u-boot.img \) \
- -print0 | xargs -0 rm -f
- @rm -f $(OBJS) $(obj)*.bak $(obj)ctags $(obj)etags $(obj)TAGS \
- $(obj)cscope.* $(obj)*.*~
- @rm -f $(obj)u-boot $(obj)u-boot.map $(obj)u-boot.hex $(ALL-y)
- @rm -f $(obj)u-boot.kwb
- @rm -f $(obj)u-boot.pbl
- @rm -f $(obj)u-boot.imx
- @rm -f $(obj)u-boot-with-spl.imx
- @rm -f $(obj)u-boot-with-nand-spl.imx
- @rm -f $(obj)u-boot.ubl
- @rm -f $(obj)u-boot.ais
- @rm -f $(obj)u-boot.dtb
- @rm -f $(obj)u-boot.sb
- @rm -f $(obj)u-boot.spr
- @rm -f $(obj)nand_spl/{u-boot.{lds,lst},System.map}
- @rm -f $(obj)nand_spl/{u-boot-nand_spl.lds,u-boot-spl,u-boot-spl.map}
- @rm -f $(obj)spl/{u-boot-spl,u-boot-spl.bin,u-boot-spl.map}
- @rm -f $(obj)spl/u-boot-spl.lds
- @rm -f $(obj)tpl/{u-boot-tpl,u-boot-tpl.bin,u-boot-tpl.map}
- @rm -f $(obj)tpl/u-boot-spl.lds
- @rm -f $(obj)MLO MLO.byteswap
- @rm -f $(obj)SPL
- @rm -f $(obj)tools/xway-swap-bytes
- @rm -fr $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
- @rm -fr $(obj)include/generated
- @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
- @rm -f $(obj)dts/*.tmp
- @rm -f $(obj)spl/u-boot-spl{,-pad}.ais
-
-mrproper \
-distclean: clobber unconfig
-ifneq ($(OBJTREE),$(SRCTREE))
- rm -rf $(obj)*
-endif
+PHONY += $(mrproper-dirs) mrproper archmrproper
+$(mrproper-dirs):
+ $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@)
+
+mrproper: clobber $(mrproper-dirs)
+ $(call cmd,rmdirs)
+ $(call cmd,rmfiles)
+ @rm -f arch/*/include/asm/arch arch/*/include/asm/proc
+
+# distclean
+#
+PHONY += distclean
+
+distclean: mrproper
+ @find $(srctree) $(RCS_FIND_IGNORE) \
+ \( -name '*.orig' -o -name '*.rej' -o -name '*~' \
+ -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \
+ -o -name '.*.rej' \
+ -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \
+ -type f -print | xargs rm -f
backup:
F=`basename $(TOPDIR)` ; cd .. ; \
gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F
-#########################################################################
+help:
+ @echo 'Cleaning targets:'
+ @echo ' clean - Remove most generated files but keep the config and'
+ @echo ' necessities for testing u-boot'
+ @echo ' clobber - Remove most generated files but keep the config'
+ @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 $(srctree)/scripts/kconfig/Makefile help
+# @echo ''
+ @echo 'Other generic targets:'
+ @echo ' all - Build all necessary images depending on configuration'
+ @echo ' u-boot - Build the bare u-boot'
+ @echo ' dir/ - Build all files in dir and below'
+ @echo ' dir/file.[oisS] - Build specified target only'
+ @echo ' dir/file.lst - Build specified mixed source/assembly target only'
+ @echo ' (requires a recent binutils and recent build (System.map))'
+ @echo ' tags/TAGS - Generate tags file for editors'
+ @echo ' cscope - Generate cscope index'
+ @echo ' ubootrelease - Output the release version string'
+ @echo ' ubootversion - Output the version stored in Makefile'
+ @echo ''
+ @echo 'Static analysers'
+ @echo ' checkstack - Generate a list of stack hogs'
+ @echo ''
+ @echo 'Documentation targets:'
+ @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp
+ @echo ''
+ @echo ' make V=0|1 [targets] 0 => quiet build (default), 1 => verbose build'
+ @echo ' make V=2 [targets] 2 => give reason for rebuild of target'
+ @echo ' make O=dir [targets] Locate all output files in "dir", including .config'
+ @echo ' make C=1 [targets] Check all c source with $$CHECK (sparse by default)'
+ @echo ' make C=2 [targets] Force check of all c source with $$CHECK'
+ @echo ' make RECORDMCOUNT_WARN=1 [targets] Warn about ignored mcount sections'
+ @echo ' make W=n [targets] Enable extra gcc checks, n=1,2,3 where'
+ @echo ' 1: warnings which may be relevant and do not occur too often'
+ @echo ' 2: warnings which occur quite often but may still be relevant'
+ @echo ' 3: more obscure warnings, can most likely be ignored'
+ @echo ' Multiple levels can be combined with W=12 or W=123'
+ @echo ''
+ @echo 'Execute "make" or "make all" to build all targets marked with [*] '
+ @echo 'For further info see the ./README file'
+
+
+# Documentation targets
+# ---------------------------------------------------------------------------
+%docs: scripts_basic FORCE
+ $(Q)$(MAKE) $(build)=scripts build_docproc
+ $(Q)$(MAKE) $(build)=doc/DocBook $@
+
+# Dummies...
+PHONY += prepare scripts
+prepare: ;
+scripts: ;
+
+endif #ifeq ($(config-targets),1)
+endif #ifeq ($(mixed-targets),1)
+
+PHONY += checkstack ubootrelease ubootversion
+
+checkstack:
+ $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \
+ $(PERL) $(src)/scripts/checkstack.pl $(ARCH)
+
+ubootrelease:
+ @echo "$(UBOOTVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
+
+ubootversion:
+ @echo $(UBOOTVERSION)
+
+# Single targets
+# ---------------------------------------------------------------------------
+# Single targets are compatible with:
+# - build with mixed source and output
+# - build with separate output dir 'make O=...'
+# - external modules
+#
+# target-dir => where to store outputfile
+# build-dir => directory in kernel source tree to use
+
+ifeq ($(KBUILD_EXTMOD),)
+ build-dir = $(patsubst %/,%,$(dir $@))
+ target-dir = $(dir $@)
+else
+ zap-slash=$(filter-out .,$(patsubst %/,%,$(dir $@)))
+ build-dir = $(KBUILD_EXTMOD)$(if $(zap-slash),/$(zap-slash))
+ target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@))
+endif
+
+%.s: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+%.i: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+%.o: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+%.lst: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+%.s: %.S prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+%.o: %.S prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+%.symtypes: %.c prepare scripts FORCE
+ $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
+
+# Modules
+/: prepare scripts FORCE
+ $(cmd_crmodverdir)
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+ $(build)=$(build-dir)
+%/: prepare scripts FORCE
+ $(cmd_crmodverdir)
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+ $(build)=$(build-dir)
+%.ko: prepare scripts FORCE
+ $(cmd_crmodverdir)
+ $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \
+ $(build)=$(build-dir) $(@:.ko=.o)
+ $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
+
+# FIXME Should go into a make.lib or something
+# ===========================================================================
+
+quiet_cmd_rmdirs = $(if $(wildcard $(rm-dirs)),CLEAN $(wildcard $(rm-dirs)))
+ cmd_rmdirs = rm -rf $(rm-dirs)
+
+quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
+ cmd_rmfiles = rm -f $(rm-files)
+
+# read all saved command lines
+
+targets := $(wildcard $(sort $(targets)))
+cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
+
+ifneq ($(cmd_files),)
+ $(cmd_files): ; # Do not try to update included dependency files
+ include $(cmd_files)
+endif
+
+# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir
+# Usage:
+# $(Q)$(MAKE) $(clean)=dir
+clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj
+
+endif # skip-makefile
+
+PHONY += FORCE
+FORCE:
+
+# Declare the contents of the .PHONY variable as phony. We keep that
+# information in a variable so we can use it in if_changed and friends.
+.PHONY: $(PHONY)
projects / karo-tx-uboot.git / blobdiff