diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 1790 |
1 files changed, 1123 insertions, 667 deletions
@@ -5,17 +5,174 @@ # SPDX-License-Identifier: GPL-2.0+ # -VERSION = 2013 -PATCHLEVEL = 10 +VERSION = 2014 +PATCHLEVEL = 04 SUBLEVEL = EXTRAVERSION = -ifneq "$(SUBLEVEL)" "" -U_BOOT_VERSION = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) +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 mkdir -p $(KBUILD_OUTPUT) && 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 + +MKCONFIG := $(srctree)/mkconfig +export MKCONFIG + +# Make sure CDPATH settings don't interfere +unexport CDPATH + +######################################################################### HOSTARCH := $(shell uname -m | \ sed -e s/i.86/x86/ \ @@ -36,329 +193,465 @@ export HOSTARCH HOSTOS VENDOR= ######################################################################### -# Allow for silent builds -ifeq (,$(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 $@ :< # +# If KBUILD_VERBOSE equals 0 then the above command will be hidden. +# If KBUILD_VERBOSE equals 1 then the above command is displayed. -ifdef O -ifeq ("$(origin O)", "command line") -BUILD_DIR := $(O) -endif +ifeq ($(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 tools-only -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 := $(SRCTREE)/mkconfig -export MKCONFIG - -ifneq ($(OBJTREE),$(SRCTREE)) -REMOTE_BUILD := 1 -export REMOTE_BUILD +ifneq ($(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 -SUBDIR_EXAMPLES = examples/standalone examples/api -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' -ifndef CONFIG_SANDBOX -SUBDIRS += $(SUBDIR_EXAMPLES) -endif +%_config:: outputmakefile + @$(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 mkproper 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 + #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug ifdef CONFIG_SYS_LDSCRIPT # need to strip off double quotes - LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) + LDSCRIPT := $(srctree)/$(CONFIG_SYS_LDSCRIPT:"%"=%) endif endif # If there is no specified link script, we look in a number of places for it ifndef LDSCRIPT ifeq ($(CONFIG_NAND_U_BOOT),y) - LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds + LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot-nand.lds ifeq ($(wildcard $(LDSCRIPT)),) - LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot-nand.lds + LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot-nand.lds endif endif ifeq ($(wildcard $(LDSCRIPT)),) - LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot.lds + LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds endif ifeq ($(wildcard $(LDSCRIPT)),) - LDSCRIPT := $(TOPDIR)/$(CPUDIR)/u-boot.lds + LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds 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) + LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds endif endif -######################################################################### -# U-Boot objects....order is important (i.e. start must be first) +else -OBJS = $(CPUDIR)/start.o -ifeq ($(CPU),ppc4xx) -OBJS += $(CPUDIR)/resetvec.o -endif -ifeq ($(CPU),mpc85xx) -OBJS += $(CPUDIR)/resetvec.o + +endif # $(dot-config) + +KBUILD_CFLAGS += -Os #-fomit-frame-pointer + +ifdef BUILD_TAG +KBUILD_CFLAGS += -DBUILD_TAG='"$(BUILD_TAG)"' endif -OBJS := $(addprefix $(obj),$(OBJS)) +KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) -HAVE_VENDOR_COMMON_LIB = $(if $(wildcard board/$(VENDOR)/common/Makefile),y,n) +KBUILD_CFLAGS += -g +# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> +# option to the assembler. +KBUILD_AFLAGS += -g -LIBS-y += lib/libgeneric.o -LIBS-y += lib/rsa/librsa.o -LIBS-y += lib/lzma/liblzma.o -LIBS-y += lib/lzo/liblzo.o -LIBS-y += lib/zlib/libz.o -LIBS-$(CONFIG_TIZEN) += lib/tizen/libtizen.o -LIBS-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/lib$(VENDOR).o -LIBS-y += $(CPUDIR)/lib$(CPU).o -ifdef SOC -LIBS-y += $(CPUDIR)/$(SOC)/lib$(SOC).o -endif -ifeq ($(CPU),ixp) -LIBS-y += drivers/net/npe/libnpe.o -endif -LIBS-$(CONFIG_OF_EMBED) += dts/libdts.o -LIBS-y += arch/$(ARCH)/lib/lib$(ARCH).o -LIBS-y += fs/libfs.o \ - fs/cbfs/libcbfs.o \ - fs/cramfs/libcramfs.o \ - fs/ext4/libext4fs.o \ - fs/fat/libfat.o \ - fs/fdos/libfdos.o \ - fs/jffs2/libjffs2.o \ - fs/reiserfs/libreiserfs.o \ - fs/sandbox/libsandboxfs.o \ - fs/ubifs/libubifs.o \ - fs/yaffs2/libyaffs2.o \ - fs/zfs/libzfs.o -LIBS-y += net/libnet.o -LIBS-y += disk/libdisk.o -LIBS-y += drivers/bios_emulator/libatibiosemu.o -LIBS-y += drivers/block/libblock.o -LIBS-$(CONFIG_BOOTCOUNT_LIMIT) += drivers/bootcount/libbootcount.o -LIBS-y += drivers/crypto/libcrypto.o -LIBS-y += drivers/dma/libdma.o -LIBS-y += drivers/fpga/libfpga.o -LIBS-y += drivers/gpio/libgpio.o -LIBS-y += drivers/hwmon/libhwmon.o -LIBS-y += drivers/i2c/libi2c.o -LIBS-y += drivers/input/libinput.o -LIBS-y += drivers/misc/libmisc.o -LIBS-y += drivers/mmc/libmmc.o -LIBS-y += drivers/mtd/libmtd.o -LIBS-y += drivers/mtd/nand/libnand.o -LIBS-y += drivers/mtd/onenand/libonenand.o -LIBS-y += drivers/mtd/ubi/libubi.o -LIBS-y += drivers/mtd/spi/libspi_flash.o -LIBS-y += drivers/net/libnet.o -LIBS-y += drivers/net/phy/libphy.o -LIBS-y += drivers/pci/libpci.o -LIBS-y += drivers/pcmcia/libpcmcia.o -LIBS-y += drivers/power/libpower.o \ - drivers/power/fuel_gauge/libfuel_gauge.o \ - drivers/power/mfd/libmfd.o \ - drivers/power/pmic/libpmic.o \ - drivers/power/battery/libbattery.o -LIBS-y += drivers/spi/libspi.o -LIBS-y += drivers/dfu/libdfu.o -ifeq ($(CPU),mpc83xx) -LIBS-y += drivers/qe/libqe.o -LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o -LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o -endif -ifeq ($(CPU),mpc85xx) -LIBS-y += drivers/qe/libqe.o -LIBS-y += drivers/net/fm/libfm.o -LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o -LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o -endif -ifeq ($(CPU),mpc86xx) -LIBS-y += arch/powerpc/cpu/mpc8xxx/ddr/libddr.o -LIBS-y += arch/powerpc/cpu/mpc8xxx/lib8xxx.o -endif -LIBS-y += drivers/rtc/librtc.o -LIBS-y += drivers/serial/libserial.o -LIBS-y += drivers/sound/libsound.o -LIBS-y += drivers/tpm/libtpm.o -LIBS-y += drivers/twserial/libtws.o -LIBS-y += drivers/usb/eth/libusb_eth.o -LIBS-y += drivers/usb/gadget/libusb_gadget.o -LIBS-y += drivers/usb/host/libusb_host.o -LIBS-y += drivers/usb/musb/libusb_musb.o -LIBS-y += drivers/usb/musb-new/libusb_musb-new.o -LIBS-y += drivers/usb/phy/libusb_phy.o -LIBS-y += drivers/usb/ulpi/libusb_ulpi.o -LIBS-y += drivers/video/libvideo.o -LIBS-y += drivers/watchdog/libwatchdog.o -LIBS-y += common/libcommon.o -LIBS-y += lib/libfdt/libfdt.o -LIBS-y += api/libapi.o -LIBS-y += post/libpost.o -LIBS-y += test/libtest.o - -ifneq ($(CONFIG_OMAP_COMMON),) -LIBS-y += $(CPUDIR)/omap-common/libomap-common.o +# Report stack usage if supported +ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) + KBUILD_CFLAGS += -fstack-usage endif -ifneq (,$(filter $(SOC), mx25 mx27 mx5 mx6 mx31 mx35 mxs vf610)) -LIBS-y += arch/$(ARCH)/imx-common/libimx-common.o +KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) + +# turn jbsr into jsr for m68k +ifeq ($(ARCH),m68k) +ifeq ($(findstring 3.4,$(shell $(CC) --version)),3.4) +KBUILD_AFLAGS += -Wa,-gstabs,-S +endif endif -ifeq ($(SOC),s5pc1xx) -LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o +ifneq ($(CONFIG_SYS_TEXT_BASE),) +KBUILD_CPPFLAGS += -DCONFIG_SYS_TEXT_BASE=$(CONFIG_SYS_TEXT_BASE) endif -ifeq ($(SOC),exynos) -LIBS-y += $(CPUDIR)/s5p-common/libs5p-common.o + +export CONFIG_SYS_TEXT_BASE + +# Use UBOOTINCLUDE when you must reference the include/ directory. +# Needed to be compatible with the O= option +UBOOTINCLUDE := \ + -Iinclude \ + $(if $(KBUILD_SRC), -I$(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-y := $(CPUDIR)/start.o +head-$(CONFIG_4xx) += arch/powerpc/cpu/ppc4xx/resetvec.o +head-$(CONFIG_MPC85xx) += arch/powerpc/cpu/mpc85xx/resetvec.o + +HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) + +libs-y += lib/ +libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ +libs-y += $(CPUDIR)/ +ifdef SOC +libs-y += $(CPUDIR)/$(SOC)/ endif -ifneq ($(CONFIG_TEGRA),) -LIBS-y += arch/$(ARCH)/cpu/$(SOC)-common/lib$(SOC)-common.o -LIBS-y += arch/$(ARCH)/cpu/tegra-common/libcputegra-common.o -LIBS-y += $(CPUDIR)/tegra-common/libtegra-common.o +libs-$(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 += 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/ endif -LIBS := $(addprefix $(obj),$(sort $(LIBS-y))) -.PHONY : $(LIBS) +libs-$(CONFIG_ARM) += arch/arm/cpu/ +libs-$(CONFIG_PPC) += arch/powerpc/cpu/ + +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 := $(libs-y) -LIBBOARD = board/$(BOARDDIR)/lib$(BOARD).o -LIBBOARD := $(addprefix $(obj),$(LIBBOARD)) # 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 @@ -367,14 +660,11 @@ export PLATFORM_LIBS # Pass the version down so we can handle backwards compatibility # on the fly. LDPPFLAGS += \ - -include $(TOPDIR)/include/u-boot/u-boot.lds.h \ + -include $(srctree)/include/u-boot/u-boot.lds.h \ -DCPUDIR=$(CPUDIR) \ $(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)) $(subst $(obj),,$(LIBBOARD)) - ######################################################################### ######################################################################### @@ -393,57 +683,110 @@ else BOARD_SIZE_CHECK = endif +# Statically apply RELA-style relocations (currently arm64 only) +ifneq ($(CONFIG_STATIC_RELA),) +# $(1) is u-boot ELF, $(2) is u-boot bin, $(3) is text base +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 ' '); \ + 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_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) += $(obj)$(subst ",,$(CONFIG_SPL_TARGET)) +ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) endif +ALL-$(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 + +LDFLAGS_u-boot += $(LDFLAGS_FINAL) +ifneq ($(CONFIG_SYS_TEXT_BASE),) +LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE) endif -all: $(ALL-y) $(SUBDIR_EXAMPLES) +quiet_cmd_objcopy = OBJCOPY $@ +cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ -$(obj)u-boot.dtb: checkdtc $(obj)u-boot - $(MAKE) -C dts binary - mv $(obj)dts/dt.dtb $@ +quiet_cmd_mkimage = MKIMAGE $@ +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) -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 $< $@ - $(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) + +%.imx: %.bin + $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ + +u-boot-nand.imx: u-boot.bin + $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ + +quiet_cmd_copy = COPY $@ + cmd_copy = cp $< $@ -$(obj)u-boot.ldr: $(obj)u-boot +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 + +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 + $(call if_changed,objcopy) # # U-Boot entry point, needed for booting of full-blown U-Boot @@ -453,79 +796,66 @@ ifndef CONFIG_SYS_UBOOT_START CONFIG_SYS_UBOOT_START := 0 endif -$(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) -C $(SRCTREE)/arch/arm/imx-common $(OBJTREE)/u-boot.imx +MKIMAGEFLAGS_u-boot.kwb = -n $(srctree)/$(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 $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ + -R $(srctree)/$(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.sha1: u-boot.bin + tools/ubsha1 u-boot.bin -$(obj)u-boot.dis: $(obj)u-boot +u-boot.dis: u-boot $(OBJDUMP) -d $< > $@ -# $@ 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) - 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) + +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)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)) +SPL: spl/u-boot-spl.bin FORCE + $(Q)$(MAKE) $(build)=arch/arm/imx-common $@ -$(obj)u-boot-with-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin - $(MAKE) -C $(SRCTREE)/arch/arm/imx-common \ - $(OBJTREE)/u-boot-with-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-with-nand-spl.imx: $(obj)spl/u-boot-spl.bin $(obj)u-boot.bin - $(MAKE) -C $(SRCTREE)/arch/arm/imx-common \ - $(OBJTREE)/u-boot-with-nand-spl.imx +MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_SYS_TEXT_BASE) -$(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 +u-boot.ubl: u-boot-with-spl.bin FORCE + $(call if_changed,mkimage) -$(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 +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) +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) -$(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin - $(MAKE) -C $(SRCTREE)/$(CPUDIR)/$(SOC)/ $(OBJTREE)/u-boot.sb +u-boot-signed.sb: u-boot.bin spl/u-boot-spl.bin + $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs u-boot-signed.sb +u-boot.sb: u-boot.bin spl/u-boot-spl.bin + $(Q)$(MAKE) $(build)=arch/arm/cpu/arm926ejs/mxs 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 @@ -533,127 +863,237 @@ $(obj)u-boot.sb: $(obj)u-boot.bin $(obj)spl/u-boot-spl.bin # 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 $(obj)spl/u-boot-spl.img - tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ - of=$(obj)spl/u-boot-spl-pad.img 2>/dev/null - dd if=$(obj)spl/u-boot-spl.img of=$(obj)spl/u-boot-spl-pad.img \ - conv=notrunc 2>/dev/null - cat $(obj)spl/u-boot-spl-pad.img $(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 - tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_UBOOT_PAD_TO) \ - of=$(obj)u-boot-pad.img 2>/dev/null - dd if=$(obj)u-boot.img of=$(obj)u-boot-pad.img \ - conv=notrunc 2>/dev/null - cat $(obj)u-boot-pad.img $(obj)spl/u-boot-spl.bin > $@ - -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 -$(obj)u-boot: depend \ - $(SUBDIR_TOOLS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds - $(GEN_UBOOT) +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 +u-boot.elf: u-boot.bin + @$(OBJCOPY) -B aarch64 -I binary -O elf64-littleaarch64 \ + $< u-boot-elf.o + @$(LD) u-boot-elf.o -o $@ \ + --defsym=_start=$(CONFIG_SYS_TEXT_BASE) \ + -Ttext=$(CONFIG_SYS_TEXT_BASE) + +# 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 + +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="\"$${smap}\"" \ + -c $(srctree)/common/system_map.c -o common/system_map.o + $(call cmd,u-boot__) common/system_map.o +endif + +# The actual objects are generated when descending, +# make sure no implicit rule kicks in +$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; + +# Handle descending into subdirectories listed in $(vmlinux-dirs) +# Preset locale variables to speed up the build process. Limit locale +# tweaks to this spot to avoid wrong language settings when running +# make menuconfig etc. +# Error messages still appears in the original language + +PHONY += $(u-boot-dirs) +$(u-boot-dirs): prepare scripts + $(Q)$(MAKE) $(build)=$@ + +tools: prepare +# The "tools" are needed early +$(filter-out tools, $(u-boot-dirs)): tools +# The "examples" conditionally depend on U-Boot (say, when USE_PRIVATE_LIBGCC +# is "yes"), so compile examples after U-Boot is compiled. +examples: $(filter-out examples, $(u-boot-dirs)) + +define filechk_uboot.release + echo "$(UBOOTVERSION)$$($(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 + +# prepare2 creates a makefile if using a separate output directory +prepare2: prepare3 outputmakefile + +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) $(build)=. + +# All the preparing.. +prepare: prepare0 + +# Generate some files +# --------------------------------------------------------------------------- -$(OBJS): depend - $(MAKE) -C $(CPUDIR) $(if $(REMOTE_BUILD),$@,$(notdir $@)) +define filechk_version.h + (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ + echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ + echo \#define CC_VERSION_STRING \"$$($(CC) --version | head -n 1)\"; \ + echo \#define LD_VERSION_STRING \"$$($(LD) --version | head -n 1)\"; ) +endef -$(LIBS): depend $(SUBDIR_TOOLS) - $(MAKE) -C $(dir $(subst $(obj),,$@)) +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 -$(LIBBOARD): depend $(LIBS) - $(MAKE) -C $(dir $(subst $(obj),,$@)) +$(version_h): include/config/uboot.release FORCE + $(call filechk,version.h) -$(SUBDIRS): depend - $(MAKE) -C $@ all +$(timestamp_h): $(srctree)/Makefile FORCE + $(call filechk,timestamp.h) -$(SUBDIR_EXAMPLES): $(obj)u-boot +# +# 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 + $(call cmd,autoconf_dep) -$(LDSCRIPT): depend - $(MAKE) -C $(dir $@) $(notdir $@) +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 $@.tmp -$(obj)u-boot.lds: $(LDSCRIPT) - $(CPP) $(CPPFLAGS) $(LDPPFLAGS) -ansi -D__ASSEMBLY__ -P - <$< >$@ +include/autoconf.mk: include/config.h + $(call cmd,autoconf) -nand_spl: $(TIMESTAMP_FILE) $(VERSION_FILE) depend - $(MAKE) -C nand_spl/board/$(BOARDDIR) all +# --------------------------------------------------------------------------- -$(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 +PHONY += depend dep +depend dep: + @echo '*** Warning: make $@ is unnecessary now.' -$(obj)spl/u-boot-spl.bin: $(SUBDIR_TOOLS) depend - $(MAKE) -C spl all +# --------------------------------------------------------------------------- +quiet_cmd_cpp_lds = LDS $@ +cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \ + -D__ASSEMBLY__ -x assembler-with-cpp -P -o $@ $< -$(obj)tpl/u-boot-tpl.bin: $(SUBDIR_TOOLS) depend - $(MAKE) -C spl all CONFIG_TPL_BUILD=y +u-boot.lds: $(LDSCRIPT) prepare FORCE + $(call if_changed_dep,cpp_lds) -updater: - $(MAKE) -C tools/updater all +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 -# 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 - for dir in $(SUBDIRS) $(CPUDIR) $(LDSCRIPT_MAKEFILE_DIR) ; do \ - $(MAKE) -C $$dir _depend ; done +nand_spl/u-boot-spl-16k.bin: nand_spl + @: -TAG_SUBDIRS = $(SUBDIRS) -TAG_SUBDIRS += $(dir $(__LIBS)) -TAG_SUBDIRS += include +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)tools/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: @@ -668,25 +1108,8 @@ SYSTEM_MAP = \ $(NM) $1 | \ grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ LC_ALL=C sort -$(obj)System.map: $(obj)u-boot - @$(call SYSTEM_MAP,$<) > $(obj)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 $(call cc-version) -lt 0400; then \ - echo -n '*** Your GCC is too old, please upgrade to GCC 4.x or newer'; \ - false; \ - fi +System.map: u-boot + @$(call SYSTEM_MAP,$<) > $@ checkdtc: @if test $(call dtc-version) -lt 0104; then \ @@ -694,129 +1117,30 @@ checkdtc: false; \ fi -# -# Auto-generate the autoconf.mk file (which is included by all makefiles) -# -# This target actually generates 2 files; autoconf.mk and autoconf.mk.dep. -# the dep file is only include in this top level makefile to determine when -# to regenerate the autoconf.mk file. -$(obj)include/autoconf.mk.dep: $(obj)include/config.h include/common.h - @$(XECHO) Generating $@ ; \ - set -e ; \ - : Generate the dependancies ; \ - $(CC) -x c -DDO_DEPS_ONLY -M $(CFLAGS) $(CPPFLAGS) \ - -MQ $(obj)include/autoconf.mk include/common.h > $@ - -$(obj)include/autoconf.mk: $(obj)include/config.h - @$(XECHO) Generating $@ ; \ - set -e ; \ - : Extract the config macros ; \ - $(CPP) $(CFLAGS) -DDO_DEPS_ONLY -dM include/common.h | \ - sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ - mv $@.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 $@ ; \ - set -e ; \ - : Extract the config macros ; \ - $(CPP) $(CFLAGS) -DCONFIG_TPL_BUILD -DCONFIG_SPL_BUILD\ - -DDO_DEPS_ONLY -dM include/common.h | \ - sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ - mv $@.tmp $@ - -$(obj)include/spl-autoconf.mk: $(obj)include/config.h - @$(XECHO) Generating $@ ; \ - set -e ; \ - : Extract the config macros ; \ - $(CPP) $(CFLAGS) -DCONFIG_SPL_BUILD -DDO_DEPS_ONLY -dM include/common.h | \ - sed -n -f tools/scripts/define2mk.sed > $@.tmp && \ - mv $@.tmp $@ - -$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \ - $(obj)include/spl-autoconf.mk \ - $(obj)include/tpl-autoconf.mk \ - $(obj)lib/asm-offsets.s - @$(XECHO) Generating $@ - tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@ - -$(obj)lib/asm-offsets.s: $(obj)include/autoconf.mk.dep \ - $(obj)include/spl-autoconf.mk \ - $(obj)include/tpl-autoconf.mk \ - $(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)include/autoconf.mk.dep \ - $(obj)include/spl-autoconf.mk \ - $(obj)include/tpl-autoconf.mk \ - $(obj)$(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/autoconf.mk.dep \ - $(obj)include/spl-autoconf.mk \ - $(obj)include/tpl-autoconf.mk - @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 $@; \ +######################################################################### + +# ARM relocations should all be R_ARM_RELATIVE (32-bit) or +# R_AARCH64_RELATIVE (64-bit). +checkarmreloc: u-boot + @RELOC="`$(CROSS_COMPILE)readelf -r -W $< | cut -d ' ' -f 4 | \ + grep R_A | sort -u`"; \ + if test "$$RELOC" != "R_ARM_RELATIVE" -a \ + "$$RELOC" != "R_AARCH64_RELATIVE"; then \ + echo "$< contains unexpected relocations: $$RELOC"; \ + false; \ fi -######################################################################### -else # !config.mk -all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \ -$(obj)u-boot.img $(obj)u-boot.dis $(obj)u-boot \ -$(filter-out tools,$(SUBDIRS)) \ -updater depend dep tags ctags etags cscope $(obj)System.map: - @echo "System not configured - see README" >&2 - @ exit 1 - -tools: $(VERSION_FILE) $(TIMESTAMP_FILE) - $(MAKE) -C $@ all -endif # config.mk - -# ARM relocations should all be R_ARM_RELATIVE. -checkarmreloc: $(obj)u-boot - @if test "R_ARM_RELATIVE" != \ - "`$(CROSS_COMPILE)readelf -r $< | cut -d ' ' -f 4 | grep R_ARM | sort -u`"; \ - then echo "$< contains relocations other than \ - R_ARM_RELATIVE"; false; fi - -$(VERSION_FILE): - @mkdir -p $(dir $(VERSION_FILE)) - @( localvers='$(shell $(TOPDIR)/tools/setlocalversion $(TOPDIR))' ; \ - printf '#define PLAIN_VERSION "%s%s"\n' \ - "$(U_BOOT_VERSION)" "$${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-only: scripts_basic $(version_h) $(timestamp_h) + $(Q)$(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: @@ -827,118 +1151,250 @@ include/license.h: tools/bin2header COPYING 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 $(srctree)/$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 # -# Functions to generate common board directory names -# -lcname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\L\1/') -ucname = $(shell echo $(1) | sed -e 's/\(.*\)_config/\U\1/') +mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) +mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) +mrproper-dirs := $(addprefix _mrproper_,scripts) -######################################################################### -######################################################################### +PHONY += $(mrproper-dirs) mrproper archmrproper +$(mrproper-dirs): + $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) -clean: - @rm -f $(obj)examples/standalone/82559_eeprom \ - $(obj)examples/standalone/atmel_df_pow2 \ - $(obj)examples/standalone/eepro100_eeprom \ - $(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,fw_setenv} \ - $(obj)tools/envcrc \ - $(obj)tools/gdb/{astest,gdbcont,gdbsend} \ - $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ - $(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)board/voiceblue/eeprom \ - $(obj)u-boot.lds \ - $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs] \ - $(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.bd - @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 -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c - @rm -f $(obj)arch/powerpc/cpu/mpc83xx/ddr-gen?.c - @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 +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) \ + \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ + -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ + -o -name '.*.rej' -o -name '*.pyc' \ + -o -name '*%' -o -name '.*.cmd' -o -name 'core' \) \ + -type f -print | xargs rm -f backup: - F=`basename $(TOPDIR)` ; cd .. ; \ + F=`basename $(srctree)` ; 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) |