diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 2822 |
1 files changed, 2716 insertions, 106 deletions
@@ -1,49 +1,74 @@ +# SPDX-License-Identifier: GPL-2.0+ -DTC ?= dtc -CPP ?= cpp +VERSION = 2025 +PATCHLEVEL = 10 +SUBLEVEL = +EXTRAVERSION = +NAME = -# Disable noisy checks by default -ifeq ($(findstring 1,$(DTC_VERBOSE)),) -DTC_FLAGS += -Wno-unit_address_vs_reg \ - -Wno-unit_address_format \ - -Wno-avoid_unnecessary_addr_size \ - -Wno-alias_paths \ - -Wno-graph_child_address \ - -Wno-simple_bus_reg \ - -Wno-unique_unit_address \ - -Wno-pci_device_reg -endif +# *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. -ifneq ($(findstring 2,$(DTC_VERBOSE)),) -DTC_FLAGS += -Wnode_name_chars_strict \ - -Wproperty_name_chars_strict -endif +# That's our default target when none is given on the command line +PHONY := _all +_all: -MAKEFLAGS += -rR --no-print-directory +# Determine target architecture for the sandbox +include include/host_arch.h +ifeq ("", "$(CROSS_COMPILE)") + MK_ARCH="${shell uname -m}" +else + MK_ARCH="${shell echo $(CROSS_COMPILE) | sed -n 's/^\(.*ccache\)\{0,1\}[[:space:]]*\([^\/]*\/\)*\([^-]*\)-[^[:space:]]*/\3/p'}" +endif +unexport HOST_ARCH +ifeq ("x86_64", $(MK_ARCH)) + export HOST_ARCH=$(HOST_ARCH_X86_64) +else ifneq (,$(findstring $(MK_ARCH), "i386" "i486" "i586" "i686")) + export HOST_ARCH=$(HOST_ARCH_X86) +else ifneq (,$(findstring $(MK_ARCH), "aarch64" "armv8l")) + export HOST_ARCH=$(HOST_ARCH_AARCH64) +else ifneq (,$(findstring $(MK_ARCH), "arm" "armv5tel" "armv6l" "armv7" "armv7a" "armv7l")) + export HOST_ARCH=$(HOST_ARCH_ARM) +else ifeq ("riscv32", $(MK_ARCH)) + export HOST_ARCH=$(HOST_ARCH_RISCV32) +else ifeq ("riscv64", $(MK_ARCH)) + export HOST_ARCH=$(HOST_ARCH_RISCV64) +endif +undefine MK_ARCH -ALL_ARCHES := $(patsubst src/%,%,$(wildcard src/*)) +# 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.a 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. -PHONY += all -all: $(foreach i,$(ALL_ARCHES),all_$(i)) +ifneq ($(sub_make_done),1) -PHONY += clean -clean: $(foreach i,$(ALL_ARCHES),clean_$(i)) +# Do not use make's built-in rules and variables +# (this increases performance and avoids hard-to-debug behaviour) +MAKEFLAGS += -rR -# Do not: -# o use make's built-in rules and variables -# (this increases performance and avoids hard-to-debug behaviour); -# o print "Entering directory ..."; -MAKEFLAGS += -rR --no-print-directory +# Avoid funny character set dependencies +unexport LC_ALL +LC_COLLATE=C +LC_NUMERIC=C +export LC_COLLATE LC_NUMERIC -# To put more focus on warnings, be less verbose as default -# Use 'make V=1' to see the full commands - -ifeq ("$(origin V)", "command line") - KBUILD_VERBOSE = $(V) -endif -ifndef KBUILD_VERBOSE - KBUILD_VERBOSE = 0 -endif +# Avoid interference with shell env settings +unexport GREP_OPTIONS # Beautify output # --------------------------------------------------------------------------- @@ -56,17 +81,27 @@ endif # cmd_cc_o_c = $(CC) $(c_flags) -c -o $@ $< # # 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 "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. # # A simple variant is to prefix commands with $(Q) - that's useful # for commands that shall be hidden in non-verbose mode. # -# $(Q)ln $@ :< +# $(Q)ln $@ :< # # If KBUILD_VERBOSE equals 0 then the above command will be hidden. # If KBUILD_VERBOSE equals 1 then the above command is displayed. +# +# To put more focus on warnings, be less verbose as default +# Use 'make V=1' to see the full commands + +ifeq ("$(origin V)", "command line") + KBUILD_VERBOSE = $(V) +endif +ifndef KBUILD_VERBOSE + KBUILD_VERBOSE = 0 +endif ifeq ($(KBUILD_VERBOSE),1) quiet = @@ -78,7 +113,6 @@ endif # If the user is running make -s (silent mode), suppress echoing of # commands - ifneq ($(filter 4.%,$(MAKE_VERSION)),) # make-4 ifneq ($(filter %s ,$(firstword x$(MAKEFLAGS))),) quiet=silent_ @@ -91,104 +125,2680 @@ endif export quiet Q KBUILD_VERBOSE -all_%: - $(Q)$(MAKE) ARCH=$* all_arch +# kbuild supports saving output files in a separate directory. +# To locate output files in a separate directory two syntaxes are supported. +# In both cases the working directory must be the root of the kernel src. +# 1) O= +# Use "make O=dir/to/store/output/files/" +# +# 2) Set KBUILD_OUTPUT +# Set the environment variable KBUILD_OUTPUT to point to the directory +# where the output files shall be placed. +# export KBUILD_OUTPUT=dir/to/store/output/files/ +# make +# +# The O= assignment takes precedence over the KBUILD_OUTPUT environment +# variable. + +# KBUILD_SRC is not intended to be used by the regular user (for now), +# it is set on invocation of make with KBUILD_OUTPUT or O= specified. + +# OK, Make called in directory where kernel src resides +# Do we want to locate output files in a separate directory? +ifeq ("$(origin O)", "command line") + KBUILD_OUTPUT := $(O) +endif + +ifneq ($(words $(subst :, ,$(CURDIR))), 1) + $(error main directory cannot contain spaces nor colons) +endif + +ifneq ($(KBUILD_OUTPUT),) +# check that the output directory actually exists +saved-output := $(KBUILD_OUTPUT) +KBUILD_OUTPUT := $(shell mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) \ + && pwd) +$(if $(KBUILD_OUTPUT),, \ + $(error failed to create output directory "$(saved-output)")) + +# Look for make include files relative to root of kernel src +# +# This does not become effective immediately because MAKEFLAGS is re-parsed +# once after the Makefile is read. It is OK since we are going to invoke +# 'sub-make' below. +MAKEFLAGS += --include-dir=$(CURDIR) + +need-sub-make := 1 +else + +# Do not print "Entering directory ..." at all for in-tree build. +MAKEFLAGS += --no-print-directory -clean_%: - $(Q)$(MAKE) ARCH=$* clean_arch +endif # ifneq ($(KBUILD_OUTPUT),) -ifeq ($(ARCH),) +ifneq ($(filter 3.%,$(MAKE_VERSION)),) +# 'MAKEFLAGS += -rR' does not immediately become effective for GNU Make 3.x +# We need to invoke sub-make to avoid implicit rules in the top Makefile. +need-sub-make := 1 +# Cancel implicit rules for this Makefile. +$(lastword $(MAKEFILE_LIST)): ; +endif + +export sub_make_done := 1 + +ifeq ($(need-sub-make),1) + +PHONY += $(MAKECMDGOALS) sub-make + +$(filter-out _all sub-make $(CURDIR)/Makefile, $(MAKECMDGOALS)) _all: sub-make + @: -ALL_DTS := $(shell find src/* -name \*.dts) -ALL_DTSO := $(shell find src/* -name \*.dtso) +# Invoke a second make in the output directory, passing relevant variables +sub-make: + $(Q)$(MAKE) \ + $(if $(KBUILD_OUTPUT),-C $(KBUILD_OUTPUT) KBUILD_SRC=$(CURDIR)) \ + -f $(CURDIR)/Makefile $(filter-out _all sub-make,$(MAKECMDGOALS)) -ALL_DTB := $(patsubst %.dts,%.dtb,$(ALL_DTS)) -ALL_DTBO := $(patsubst %.dtso,%.dtbo,$(ALL_DTSO)) +endif # need-sub-make +endif # sub_make_done -$(ALL_DTB) $(ALL_DTBO): ARCH=$(word 2,$(subst /, ,$@)) -$(ALL_DTB) $(ALL_DTBO): FORCE - $(Q)$(MAKE) ARCH=$(ARCH) $@ +# We process the rest of the Makefile if this is the final invocation of make +ifeq ($(need-sub-make),) +# Do not print "Entering directory ...", +# but we want to display it when entering to the output directory +# so that IDEs/editors are able to understand relative filenames. +MAKEFLAGS += --no-print-directory + +# 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/dev-tools/sparse.rst" 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 + $(warning ================= WARNING ================) + $(warning 'SUBDIRS' will be removed after Linux 5.3) + $(warning Please use 'M=' or 'KBUILD_EXTMOD' instead) + $(warning ==========================================) + KBUILD_EXTMOD ?= $(SUBDIRS) +endif + +ifeq ("$(origin M)", "command line") + KBUILD_EXTMOD := $(M) +endif + +ifeq ($(KBUILD_SRC),) + # building in the source tree + srctree := . else + ifeq ($(KBUILD_SRC)/,$(dir $(CURDIR))) + # building in a subdirectory of the source tree + srctree := .. + else + srctree := $(KBUILD_SRC) + endif +endif + +export KBUILD_CHECKSRC KBUILD_EXTMOD KBUILD_SRC + +objtree := . +src := $(srctree) +obj := $(objtree) + +VPATH := $(srctree) -ARCH_DTS := $(shell find src/$(ARCH) -name \*.dts) -ARCH_DTSO := $(shell find src/$(ARCH) -name \*.dtso) +export srctree objtree VPATH -ARCH_DTB := $(patsubst %.dts,%.dtb,$(ARCH_DTS)) -ARCH_DTBO := $(patsubst %.dtso,%.dtbo,$(ARCH_DTSO)) +# 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). -src := src/$(ARCH) -obj := src/$(ARCH) +version_h := include/generated/version_autogenerated.h +timestamp_h := include/generated/timestamp_autogenerated.h +defaultenv_h := include/generated/defaultenv_autogenerated.h +dt_h := include/generated/dt.h +env_h := include/generated/environment.h + +clean-targets := %clean mrproper cleandocs +no-dot-config-targets := $(clean-targets) \ + clobber distclean \ + help %docs check% coccicheck \ + ubootversion backup tests check pcheck qcheck tcheck \ + pylint pylint_err _pip pip pip_test pip_release +no-sync-config-targets := $(no-dot-config-targets) install %install \ + kernelrelease + +config-targets := 0 +mixed-targets := 0 +dot-config := 1 +may-sync-config := 1 + +ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) + ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) + dot-config := 0 + endif +endif + +ifneq ($(filter $(no-sync-config-targets), $(MAKECMDGOALS)),) + ifeq ($(filter-out $(no-sync-config-targets), $(MAKECMDGOALS)),) + may-sync-config := 0 + endif +endif + +ifneq ($(KBUILD_EXTMOD),) + may-sync-config := 0 +endif + +ifeq ($(KBUILD_EXTMOD),) + ifneq ($(filter config %config,$(MAKECMDGOALS)),) + config-targets := 1 + ifneq ($(words $(MAKECMDGOALS)),1) + mixed-targets := 1 + endif + endif +endif + +# For "make -j clean all", "make -j mrproper defconfig all", etc. +ifneq ($(filter $(clean-targets),$(MAKECMDGOALS)),) + ifneq ($(filter-out $(clean-targets),$(MAKECMDGOALS)),) + mixed-targets := 1 + endif +endif + +# install and modules_install need also be processed one by one +ifneq ($(filter install,$(MAKECMDGOALS)),) + ifneq ($(filter modules_install,$(MAKECMDGOALS)),) + mixed-targets := 1 + endif +endif + +ifeq ($(mixed-targets),1) +# =========================================================================== +# We're called with mixed targets (*config and build targets). +# Handle them one by one. + +PHONY += $(MAKECMDGOALS) __build_one_by_one + +$(filter-out __build_one_by_one, $(MAKECMDGOALS)): __build_one_by_one + @: + +__build_one_by_one: + $(Q)set -e; \ + for i in $(MAKECMDGOALS); do \ + $(MAKE) -f $(srctree)/Makefile $$i; \ + done + +else include scripts/Kbuild.include -cmd_files := $(wildcard $(foreach f,$(ARCH_DTB) $(ARCH_DTBO),$(dir $(f)).$(notdir $(f)).cmd)) +# 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 + +# Modified for U-Boot +-include scripts/subarch.include + +# Cross compiling and selecting different set of gcc/bin-utils +# --------------------------------------------------------------------------- +# +# When performing cross compilation for other architectures ARCH shall be set +# to the target architecture. (See arch/* for the possibilities). +# ARCH can be set during invocation of make: +# make ARCH=ia64 +# Another way is to have ARCH set in the environment. +# The default ARCH is the host where make is executed. + +# CROSS_COMPILE specify the prefix used for all executables used +# during compilation. Only gcc and related bin-utils executables +# are prefixed with $(CROSS_COMPILE). +# CROSS_COMPILE can be set on the command line +# make CROSS_COMPILE=ia64-linux- +# Alternatively CROSS_COMPILE can be set in the environment. +# Default value for CROSS_COMPILE is not to prefix executables +# Note: Some architectures assign CROSS_COMPILE in their arch/*/Makefile +ARCH ?= $(SUBARCH) + +# Architecture as present in compile.h +UTS_MACHINE := $(ARCH) +SRCARCH := $(ARCH) + +# Additional ARCH settings for x86 +ifeq ($(ARCH),i386) + SRCARCH := x86 +endif +ifeq ($(ARCH),x86_64) + SRCARCH := x86 +endif + +# Additional ARCH settings for sparc +ifeq ($(ARCH),sparc32) + SRCARCH := sparc +endif +ifeq ($(ARCH),sparc64) + SRCARCH := sparc +endif + +# Additional ARCH settings for sh +ifeq ($(ARCH),sh64) + SRCARCH := sh +endif + +KCONFIG_CONFIG ?= .config +export KCONFIG_CONFIG + +# SHELL used by kbuild +CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ + else if [ -x /bin/bash ]; then echo /bin/bash; \ + else echo sh; fi ; fi) + +HOST_LFS_CFLAGS := $(shell getconf LFS_CFLAGS 2>/dev/null) +HOST_LFS_LDFLAGS := $(shell getconf LFS_LDFLAGS 2>/dev/null) +HOST_LFS_LIBS := $(shell getconf LFS_LIBS 2>/dev/null) + +HOSTCC = cc +HOSTCXX = c++ +KBUILD_HOSTCFLAGS := -Wall -Wstrict-prototypes -O2 \ + -fomit-frame-pointer -std=gnu11 $(HOST_LFS_CFLAGS) \ + $(HOSTCFLAGS) #-Wmissing-prototypes Enable it and fix warnings +KBUILD_HOSTCXXFLAGS := -O2 $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS) +KBUILD_HOSTLDFLAGS := $(HOST_LFS_LDFLAGS) $(HOSTLDFLAGS) +KBUILD_HOSTLDLIBS := $(HOST_LFS_LIBS) $(HOSTLDLIBS) + +# Check ths size of a binary: +# Args: +# $1: File to check +# #2: Size limit in bytes (decimal or 0xhex) +define size_check + actual=$$( wc -c $1 | awk '{print $$1}'); \ + limit=$$( printf "%d" $2 ); \ + if test $$actual -gt $$limit; then \ + echo "$1 exceeds file size limit:" >&2; \ + echo " limit: $$(printf %#x $$limit) bytes" >&2; \ + echo " actual: $$(printf %#x $$actual) bytes" >&2; \ + echo " excess: $$(printf %#x $$((actual - limit))) bytes" >&2;\ + exit 1; \ + fi +endef +export size_check + +export KBUILD_MODULES KBUILD_BUILTIN +export KBUILD_CHECKSRC KBUILD_SRC KBUILD_EXTMOD + +# Make variables (CC, etc...) +AS = $(CROSS_COMPILE)as +LD = $(CROSS_COMPILE)ld +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 +READELF = $(CROSS_COMPILE)readelf +LEX = flex +YACC = bison +AWK = awk +INSTALLKERNEL := installkernel +DEPMOD = /sbin/depmod +PERL = perl +PYTHON = python +PYTHON2 = python2 +PYTHON3 = python3 + +# The devicetree compiler and pylibfdt are automatically built unless DTC is +# provided. If DTC is provided, it is assumed the pylibfdt is available too. +DTC_INTREE := $(objtree)/scripts/dtc/dtc +DTC ?= $(DTC_INTREE) +DTC_MIN_VERSION := 010406 + +CHECK = sparse + +CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ + -Wbitwise -Wno-return-void -Wno-unknown-attribute -D__CHECK_ENDIAN__ $(CF) +NOSTDINC_FLAGS := +CFLAGS_MODULE = +AFLAGS_MODULE = +LDFLAGS_MODULE = +CFLAGS_KERNEL = +AFLAGS_KERNEL = +LDFLAGS_vmlinux = + +# Use USERINCLUDE when you must reference the UAPI directories only. +USERINCLUDE := \ + -I$(srctree)/arch/$(SRCARCH)/include/uapi \ + -I$(objtree)/arch/$(SRCARCH)/include/generated/uapi \ + -I$(srctree)/include/uapi \ + -I$(objtree)/include/generated/uapi \ + -include $(srctree)/include/linux/kconfig.h + +# 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) \ + $(if $(CONFIG_$(XPL_)MBEDTLS_LIB), \ + "-DMBEDTLS_CONFIG_FILE=\"mbedtls_def_config.h\"" \ + -I$(srctree)/lib/mbedtls \ + -I$(srctree)/lib/mbedtls/port \ + -I$(srctree)/lib/mbedtls/external/mbedtls \ + -I$(srctree)/lib/mbedtls/external/mbedtls/include) \ + $(if $(CONFIG_$(PHASE_)SYS_THUMB_BUILD), \ + $(if $(CONFIG_HAS_THUMB2), \ + $(if $(CONFIG_CPU_V7M), \ + -I$(srctree)/arch/arm/thumb1/include), \ + -I$(srctree)/arch/arm/thumb1/include)) \ + -I$(srctree)/arch/$(ARCH)/include \ + -include $(srctree)/include/linux/kconfig.h \ + -I$(srctree)/dts/upstream/include \ + $(if $(CONFIG_NET_LWIP), -I$(srctree)/lib/lwip/lwip/src/include \ + -I$(srctree)/lib/lwip/u-boot) + + +KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE +KBUILD_CFLAGS := -Wall -Werror=strict-prototypes -Wno-trigraphs \ + -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \ + -Werror=implicit-function-declaration -Werror=implicit-int \ + -Wno-format-security -std=gnu11 #-Wundef Enable it and fix warnings +UBOOT_CFLAGS := -ffreestanding -fno-builtin +KBUILD_CFLAGS += $(UBOOT_CFLAGS) + +KBUILD_CPPFLAGS := -D__KERNEL__ -D__UBOOT__ +KBUILD_AFLAGS_KERNEL := +KBUILD_CFLAGS_KERNEL := +KBUILD_AFLAGS_MODULE := -DMODULE +KBUILD_CFLAGS_MODULE := -DMODULE +KBUILD_LDFLAGS_MODULE := -T $(srctree)/scripts/module-common.lds +KBUILD_LDFLAGS := +GCC_PLUGINS_CFLAGS := + +export ARCH SRCARCH CONFIG_SHELL HOSTCC KBUILD_HOSTCFLAGS CROSS_COMPILE AS LD CC +export CPP AR NM STRIP OBJCOPY OBJDUMP KBUILD_HOSTLDFLAGS KBUILD_HOSTLDLIBS +export MAKE LEX YACC AWK INSTALLKERNEL PERL PYTHON PYTHON2 PYTHON3 UTS_MACHINE +export HOSTCXX KBUILD_HOSTCXXFLAGS LDFLAGS_MODULE CHECK CHECKFLAGS + +export KBUILD_CPPFLAGS NOSTDINC_FLAGS LINUXINCLUDE OBJCOPYFLAGS KBUILD_LDFLAGS +export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_MODULE +export CFLAGS_KASAN CFLAGS_KASAN_NOSANITIZE CFLAGS_UBSAN +export KBUILD_AFLAGS AFLAGS_KERNEL AFLAGS_MODULE +export KBUILD_AFLAGS_MODULE KBUILD_CFLAGS_MODULE KBUILD_LDFLAGS_MODULE +export KBUILD_AFLAGS_KERNEL KBUILD_CFLAGS_KERNEL +export KBUILD_ARFLAGS + +export LDR +export CPU BOARD VENDOR SOC CPUDIR BOARDDIR +export UBOOTINCLUDE +export CC_VERSION_TEXT := $(shell $(CC) --version | head -n 1) + +# 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 + +export 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 + +export PYTHON_ENABLE + +# This is y if U-Boot should not build any Python tools or libraries. Typically +# you would need to set this if those tools/libraries (typically binman and +# pylibfdt) cannot be built by your environment and are provided separately. +ifeq ($(NO_PYTHON),) +PYTHON_ENABLE=y +endif + +# =========================================================================== +# Rules shared between *config targets and build targets + +# Basic helpers built in scripts/basic/ +PHONY += scripts_basic +scripts_basic: + $(Q)$(MAKE) $(build)=scripts/basic + $(Q)rm -f .tmp_quiet_recordmcount + +PHONY += outputmakefile +# outputmakefile generates a Makefile in the output directory, if using a +# separate output directory. This allows convenient use of make in the +# output directory. +# At the same time when output Makefile generated, generate .gitignore to +# ignore whole output directory +outputmakefile: +ifneq ($(KBUILD_SRC),) + $(Q)ln -fsn $(srctree) source + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile $(srctree) + $(Q)test -e .gitignore || \ + { echo "# this is build directory, ignore it"; echo "*"; } > .gitignore +endif + +ifneq ($(shell $(CC) --version 2>&1 | head -n 1 | grep clang),) +ifneq ($(CROSS_COMPILE),) +CLANG_FLAGS := --target=$(notdir $(CROSS_COMPILE:%-=%)) +GCC_TOOLCHAIN_DIR := $(dir $(shell which $(CROSS_COMPILE)elfedit)) +CLANG_FLAGS += --prefix=$(GCC_TOOLCHAIN_DIR) +GCC_TOOLCHAIN := $(realpath $(GCC_TOOLCHAIN_DIR)/..) +endif +ifneq ($(GCC_TOOLCHAIN),) +CLANG_FLAGS += --gcc-toolchain=$(GCC_TOOLCHAIN) +endif +CLANG_FLAGS += -no-integrated-as +KBUILD_CFLAGS += $(CLANG_FLAGS) +KBUILD_AFLAGS += $(CLANG_FLAGS) +export CLANG_FLAGS +endif + +RETPOLINE_CFLAGS_GCC := -mindirect-branch=thunk-extern -mindirect-branch-register +RETPOLINE_VDSO_CFLAGS_GCC := -mindirect-branch=thunk-inline -mindirect-branch-register +RETPOLINE_CFLAGS_CLANG := -mretpoline-external-thunk +RETPOLINE_VDSO_CFLAGS_CLANG := -mretpoline +RETPOLINE_CFLAGS := $(call cc-option,$(RETPOLINE_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_CFLAGS_CLANG))) +RETPOLINE_VDSO_CFLAGS := $(call cc-option,$(RETPOLINE_VDSO_CFLAGS_GCC),$(call cc-option,$(RETPOLINE_VDSO_CFLAGS_CLANG))) +export RETPOLINE_CFLAGS +export RETPOLINE_VDSO_CFLAGS + +# The expansion should be delayed until arch/$(SRCARCH)/Makefile is included. +# Some architectures define CROSS_COMPILE in arch/$(SRCARCH)/Makefile. +# CC_VERSION_TEXT is referenced from Kconfig (so it needs export), +# and from include/config/auto.conf.cmd to detect the compiler upgrade. +CC_VERSION_TEXT = $(shell $(CC) --version | head -n 1) + +ifeq ($(config-targets),1) +# =========================================================================== +# *config targets only - make sure prerequisites are updated, and descend +# in scripts/kconfig to make the *config target + +# Read arch specific Makefile to set KBUILD_DEFCONFIG as needed. +# KBUILD_DEFCONFIG may point out an alternative default configuration +# used for 'make defconfig' +# Modified for U-Boot: we don't include arch/$(SRCARCH)/Makefile for config +# targets, which is useless since U-Boot has no architecture defining its own +# KBUILD_{DEF,K}CONFIG, or CROSS_COMPILE. +export KBUILD_DEFCONFIG KBUILD_KCONFIG CC_VERSION_TEXT + +config: scripts_basic outputmakefile FORCE + $(Q)$(MAKE) $(build)=scripts/kconfig $@ + +%config: scripts_basic outputmakefile FORCE + $(Q)$(MAKE) $(build)=scripts/kconfig $@ + +else +# =========================================================================== +# Build targets only - this includes vmlinux, arch specific targets, clean +# targets and others. In general all targets except *config targets. + +# If building an external module we do not care about the all: rule +# but instead _all depend on modules +PHONY += all +ifeq ($(KBUILD_EXTMOD),) +_all: all +else +_all: modules +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 $(CONFIG_MODVERSIONS),1) +endif + +# If we have "make <whatever> modules", compile modules +# in addition to whatever we do anyway. +# Just "make" or "make all" shall build modules as well + +ifneq ($(filter all _all modules,$(MAKECMDGOALS)),) + KBUILD_MODULES := 1 +endif + +ifeq ($(MAKECMDGOALS),) + KBUILD_MODULES := 1 +endif + +export KBUILD_MODULES KBUILD_BUILTIN + +ifeq ($(KBUILD_EXTMOD),) +# Objects we will link into vmlinux / subdirs we need to visit +init-y := init/ +drivers-y := drivers/ sound/ +net-y := net/ +libs-y := lib/ +core-y := usr/ +virt-y := virt/ +endif # KBUILD_EXTMOD + +ifeq ($(dot-config),1) +# Modified for U-Boot +-include include/config/auto.conf +endif + +# The all: target is the default when no target is given on the +# command line. +# This allow a user to issue only 'make' to build a kernel including modules +# Defaults to vmlinux, but the arch makefile usually adds further targets +all: u-boot + +CFLAGS_GCOV := -fprofile-arcs -ftest-coverage \ + $(call cc-option,-fno-tree-loop-im) \ + $(call cc-disable-warning,maybe-uninitialized,) +export CFLAGS_GCOV + +# The arch Makefiles can override CC_FLAGS_FTRACE. We may also append it later. +ifdef CONFIG_FUNCTION_TRACER + CC_FLAGS_FTRACE := -pg +endif + +# The arch Makefile can set ARCH_{CPP,A,C}FLAGS to override the default +# values of the respective KBUILD_* variables +ARCH_CPPFLAGS := +ARCH_AFLAGS := +ARCH_CFLAGS := +# Modified for U-Boot: we put off the include of arch/$(SRCARCH)/Makefile until +# making sure include/config/auto.conf is up-to-date and include of config.mk, +# because the architecture-specific Makefile may make use of variables defined +# in config.mk. See also the comment about autoconf_is_old. + +ifeq ($(dot-config),1) +ifeq ($(may-sync-config),1) +# Read in dependencies to all Kconfig* files, make sure to run syncconfig if +# changes are detected. This should be included after arch/$(SRCARCH)/Makefile +# because some architectures define CROSS_COMPILE there. +-include include/config/auto.conf.cmd + +$(KCONFIG_CONFIG): + @echo >&2 '***' + @echo >&2 '*** Configuration file "$@" not found!' + @echo >&2 '***' + @echo >&2 '*** Please run some configurator (e.g. "make oldconfig" or' + @echo >&2 '*** "make menuconfig" or "make xconfig").' + @echo >&2 '***' + @/bin/false + +# If .config is newer than include/config/auto.conf, someone tinkered +# with it and forgot to run make oldconfig. +# if auto.conf.cmd is missing then we are probably in a cleaned tree so +# we execute the config step to be sure to catch updated Kconfig files +include/config/%.conf: $(KCONFIG_CONFIG) #include/config/auto.conf.cmd + $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig + @# If the following part fails, include/config/auto.conf should be + @# deleted so "make silentoldconfig" will be re-run on the next build. + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf || \ + { rm -f include/config/auto.conf; false; } + @# include/config.h has been updated after "make silentoldconfig". + @# We need to touch include/config/auto.conf so it gets newer + @# than include/config.h. + @# Otherwise, 'make silentoldconfig' would be invoked twice. + $(Q)touch include/config/auto.conf -ifneq ($(cmd_files),) - include $(cmd_files) +u-boot.cfg spl/u-boot.cfg tpl/u-boot.cfg vpl/u-boot.cfg: + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.autoconf $(@) + +-include include/autoconf.mk +-include include/autoconf.mk.dep + +# We want to include arch/$(ARCH)/config.mk only when include/config/auto.conf +# is up-to-date. When we switch to a different board configuration, old CONFIG +# macros are still remaining in include/config/auto.conf. Without the following +# gimmick, wrong config.mk would be included leading nasty warnings/errors. +ifneq ($(wildcard $(KCONFIG_CONFIG)),) +ifneq ($(wildcard include/config/auto.conf),) +autoconf_is_old := $(shell find . -path ./$(KCONFIG_CONFIG) -newer \ + include/config/auto.conf) +ifeq ($(autoconf_is_old),) +include config.mk +include arch/$(ARCH)/Makefile +endif +endif +endif + +# These are set by the arch-specific config.mk. Make sure they are exported +# so they can be used when building an EFI application. +export EFI_LDS # Filename of EFI link script in arch/$(ARCH)/lib +export EFI_CRT0 # Filename of EFI CRT0 in arch/$(ARCH)/lib +export EFI_RELOC # Filename of EFU relocation code in arch/$(ARCH)/lib +export CFLAGS_EFI # Compiler flags to add when building EFI app +export CFLAGS_NON_EFI # Compiler flags to remove when building EFI app +export EFI_TARGET # binutils target if EFI is natively supported + +export LTO_ENABLE + +# This is y if LTO is enabled for this build. See NO_LTO=1 to disable LTO +ifeq ($(NO_LTO),) +LTO_ENABLE=$(if $(CONFIG_LTO),y) +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. + +ifndef LDSCRIPT + #LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds.debug + ifdef CONFIG_SYS_LDSCRIPT + # need to strip off double quotes + 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 ($(wildcard $(LDSCRIPT)),) + LDSCRIPT := $(srctree)/board/$(BOARDDIR)/u-boot.lds + endif + ifeq ($(wildcard $(LDSCRIPT)),) + LDSCRIPT := $(srctree)/$(CPUDIR)/u-boot.lds + endif + ifeq ($(wildcard $(LDSCRIPT)),) + LDSCRIPT := $(srctree)/arch/$(ARCH)/cpu/u-boot.lds + endif +endif + +else +# External modules and some install targets need include/generated/autoconf.h +# and include/config/auto.conf but do not care if they are up-to-date. +# Use auto.conf to trigger the test +PHONY += include/config/auto.conf + +include/config/auto.conf: + $(Q)test -e include/generated/autoconf.h -a -e $@ || ( \ + echo >&2; \ + echo >&2 " ERROR: Kernel configuration is invalid."; \ + echo >&2 " include/generated/autoconf.h or $@ are missing.";\ + echo >&2 " Run 'make oldconfig && make prepare' on kernel src to fix it."; \ + echo >&2 ; \ + /bin/false) + +endif # may-sync-config +endif # $(dot-config) + +KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,) +KBUILD_CFLAGS += $(call cc-disable-warning,frame-address,) +KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation) +KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow) +KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context) +KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) + +ifdef CONFIG_CC_OPTIMIZE_FOR_DEBUG +KBUILD_HOSTCFLAGS := -Wall -Wstrict-prototypes -Og -g -fomit-frame-pointer \ + $(HOST_LFS_CFLAGS) $(HOSTCFLAGS) +# Avoid false positives -Wmaybe-uninitialized +# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78394 +KBUILD_HOSTCFLAGS += -Wno-maybe-uninitialized +KBUILD_HOSTCXXFLAGS := -Og -g $(HOST_LFS_CFLAGS) $(HOSTCXXFLAGS) +endif + +# +# Xtensa linker script cannot be preprocessed with -ansi because of +# preprocessor operations on strings that don't make C identifiers. +# +ifeq ($(CONFIG_XTENSA),) +LDPPFLAGS += -ansi +endif + +ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE +KBUILD_CFLAGS += -Os +else +KBUILD_CFLAGS += -O2 +endif + +ifdef CONFIG_CC_DISABLE_WARN_MAYBE_UNINITIALIZED +KBUILD_CFLAGS += -Wno-maybe-uninitialized +endif + +# Tell gcc to never replace conditional load with a non-conditional one +KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) + +include scripts/Makefile.kcov +include scripts/Makefile.gcc-plugins +LTO_CFLAGS := +LTO_FINAL_LDFLAGS := +export LTO_CFLAGS LTO_FINAL_LDFLAGS +ifeq ($(LTO_ENABLE),y) + ifeq ($(cc-name),clang) + LTO_CFLAGS += -DLTO_ENABLE -flto + LTO_FINAL_LDFLAGS += -flto + + AR = $(shell $(CC) -print-prog-name=llvm-ar) + NM = $(shell $(CC) -print-prog-name=llvm-nm) + else + NPROC := $(shell nproc 2>/dev/null || echo 1) + LTO_CFLAGS += -DLTO_ENABLE -flto=$(NPROC) + LTO_FINAL_LDFLAGS += -fuse-linker-plugin -flto=$(NPROC) + + # use plugin aware tools + AR = $(CROSS_COMPILE)gcc-ar + NM = $(CROSS_COMPILE)gcc-nm + endif + + CFLAGS_NON_EFI += $(LTO_CFLAGS) + + KBUILD_CFLAGS += $(LTO_CFLAGS) +endif + +ifeq ($(CONFIG_STACKPROTECTOR),y) +KBUILD_CFLAGS += $(call cc-option,-fstack-protector-strong) +KBUILD_CFLAGS += $(call cc-option,-mstack-protector-guard=global) +CFLAGS_EFI += $(call cc-option,-fno-stack-protector) +else +KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) +endif +KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks) + +KBUILD_CFLAGS += $(call cc-disable-warning, zero-length-bounds) +KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds) +KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow) + +# Enabled with W=2, disabled by default as noisy +KBUILD_CFLAGS += $(call cc-disable-warning, maybe-uninitialized) + +# change __FILE__ to the relative path from the srctree +KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=) + +KBUILD_CFLAGS += -gdwarf-4 +# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format> +# option to the assembler. +KBUILD_AFLAGS += -gdwarf-4 + +# Report stack usage if supported +# ARC tools based on GCC 7.1 has an issue with stack usage +# with naked functions, see commit message for more details +ifndef CONFIG_ARC +ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y) + KBUILD_CFLAGS += -fstack-usage +endif endif -quiet_cmd_clean = CLEAN $(obj) - cmd_clean = rm -f $(__clean-files) +KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral) +KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member) + +ifdef CONFIG_CC_IS_CLANG +KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,) +KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier) +KBUILD_CFLAGS += $(call cc-disable-warning, gnu) +# Quiet clang warning: comparison of unsigned expression < 0 is always false +KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare) +# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the +# source of a reference will be _MergedGlobals and not on of the whitelisted names. +# See modpost pattern 2 +KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,) +KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior) +KBUILD_CFLAGS += $(call cc-disable-warning, deprecated-non-prototype) +else + +# These warnings generated too much noise in a regular build. +# Use make W=1 to enable them (see scripts/Makefile.extrawarn) +KBUILD_CFLAGS += -Wno-unused-but-set-variable +endif + +# These warnings generated too much noise in a regular build. +# Use make W=1 to enable them (see scripts/Makefile.extrawarn) +KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable) + +# Prohibit date/time macros, which would make the build non-deterministic +KBUILD_CFLAGS += $(call cc-option,-Werror=date-time) -dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp) +include scripts/Makefile.extrawarn -dtc_cpp_flags = -Wp,-MD,$(depfile).pre.tmp -nostdinc \ - -Iinclude -I$(src) -Isrc -Itestcase-data \ - -undef -D__DTS__ +# Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments +KBUILD_CPPFLAGS += $(KCPPFLAGS) +KBUILD_AFLAGS += $(KAFLAGS) +KBUILD_CFLAGS += $(KCFLAGS) + +KBUILD_LDFLAGS += -z noexecstack +KBUILD_LDFLAGS += -z norelro +KBUILD_LDFLAGS += $(call ld-option,--no-warn-rwx-segments) + +KBUILD_HOSTCFLAGS += $(if $(CONFIG_TOOLS_DEBUG),-g) + +# 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) \ + $(if $(CONFIG_$(XPL_)MBEDTLS_LIB), \ + "-DMBEDTLS_CONFIG_FILE=\"mbedtls_def_config.h\"" \ + -I$(srctree)/lib/mbedtls \ + -I$(srctree)/lib/mbedtls/port \ + -I$(srctree)/lib/mbedtls/external/mbedtls \ + -I$(srctree)/lib/mbedtls/external/mbedtls/include) \ + $(if $(CONFIG_$(PHASE_)SYS_THUMB_BUILD), \ + $(if $(CONFIG_HAS_THUMB2), \ + $(if $(CONFIG_CPU_V7M), \ + -I$(srctree)/arch/arm/thumb1/include), \ + -I$(srctree)/arch/arm/thumb1/include)) \ + -I$(srctree)/arch/$(ARCH)/include \ + -include $(srctree)/include/linux/kconfig.h \ + -I$(srctree)/dts/upstream/include \ + $(if $(CONFIG_NET_LWIP), -I$(srctree)/lib/lwip/lwip/src/include \ + -I$(srctree)/lib/lwip/u-boot) + +NOSTDINC_FLAGS += -nostdinc -isystem $(shell $(CC) -print-file-name=include) + +# 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) + +HAVE_VENDOR_COMMON_LIB = $(if $(wildcard $(srctree)/board/$(VENDOR)/common/Makefile),y,n) + +libs-$(CONFIG_API) += api/ +libs-$(HAVE_VENDOR_COMMON_LIB) += board/$(VENDOR)/common/ +libs-y += boot/ +libs-$(CONFIG_CMDLINE) += cmd/ +libs-y += common/ +libs-$(CONFIG_OF_EMBED) += dts/ +libs-y += env/ +libs-y += lib/ +libs-y += fs/ +libs-$(filter y,$(CONFIG_NET) $(CONFIG_NET_LWIP)) += net/ +libs-y += disk/ +libs-y += drivers/ +libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ +libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ +libs-$(CONFIG_$(PHASE_)ALTERA_SDRAM) += drivers/ddr/altera/ +libs-y += drivers/usb/cdns3/ +libs-y += drivers/usb/dwc3/ +libs-y += drivers/usb/common/ +libs-y += drivers/usb/emul/ +libs-y += drivers/usb/eth/ +libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/ +libs-$(CONFIG_USB_GADGET) += drivers/usb/gadget/udc/ +libs-y += drivers/usb/host/ +libs-y += drivers/usb/mtu3/ +libs-y += drivers/usb/musb/ +libs-y += drivers/usb/musb-new/ +libs-y += drivers/usb/isp1760/ +libs-y += drivers/usb/phy/ +libs-y += drivers/usb/tcpm/ +libs-y += drivers/usb/ulpi/ +ifdef CONFIG_POST +libs-y += post/ +endif +libs-$(CONFIG_$(PHASE_)UNIT_TEST) += test/ -quiet_cmd_dtc = DTC $@ -cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ - $(DTC) -O dtb -o $@ -b 0 \ - -i $(src) $(DTC_FLAGS) \ - -d $(depfile).dtc.tmp $(dtc-tmp) ; \ - cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) +libs-y += $(if $(wildcard $(srctree)/board/$(BOARDDIR)/Makefile),board/$(BOARDDIR)/) -$(obj)/%.dtb: $(src)/%.dts FORCE - $(call if_changed_dep,dtc) +libs-y := $(sort $(libs-y)) -quiet_cmd_dtco = DTCO $@ -cmd_dtco = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \ - $(DTC) -@ -O dtb -o $@ -b 0 \ - -i $(src) $(DTC_FLAGS) \ - -d $(depfile).dtc.tmp $(dtc-tmp) ; \ - cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile) +u-boot-dirs := $(patsubst %/,%,$(filter %/, $(libs-y))) tools examples -$(obj)/%.dtbo: $(src)/%.dtso FORCE - $(call if_changed_dep,dtco) +u-boot-alldirs := $(sort $(u-boot-dirs) $(patsubst %/,%,$(filter %/, $(libs-)))) -PHONY += all_arch -all_arch: $(ARCH_DTB) $(ARCH_DTBO) +libs-y := $(patsubst %/, %/built-in.a, $(libs-y)) +# Not needed in U-Boot +#init-y := $(patsubst %/, %/built-in.a, $(init-y)) +#core-y := $(patsubst %/, %/built-in.a, $(core-y)) +drivers-y := $(patsubst %/, %/built-in.a, $(drivers-y)) +#net-y := $(patsubst %/, %/built-in.a, $(net-y)) +libs-y1 := $(patsubst %/, %/lib.a, $(libs-y)) +libs-y2 := $(patsubst %/, %/built-in.a, $(filter-out %.a, $(libs-y))) +#virt-y := $(patsubst %/, %/built-in.a, $(virt-y)) + +u-boot-init := $(head-y) +u-boot-main := $(libs-y) + + +# Add GCC lib +ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) +PLATFORM_LIBGCC = arch/$(ARCH)/lib/lib.a +else +ifndef CONFIG_CC_IS_CLANG +PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc +endif +endif +PLATFORM_LIBS += $(PLATFORM_LIBGCC) + +ifdef CONFIG_CC_COVERAGE +KBUILD_CFLAGS += --coverage +PLATFORM_LIBGCC += -lgcov +endif + +export PLATFORM_LIBS +export PLATFORM_LIBGCC + +# Special flags for CPP when processing the linker script. +# Pass the version down so we can handle backwards compatibility +# on the fly. +LDPPFLAGS += \ + -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') + +######################################################################### +######################################################################### + +ifneq ($(CONFIG_BOARD_SIZE_LIMIT),) +BOARD_SIZE_CHECK= @ $(call size_check,$@,$(CONFIG_BOARD_SIZE_LIMIT)) +else +BOARD_SIZE_CHECK = +endif + +ifneq ($(CONFIG_SPL_SIZE_LIMIT),0x0) +SPL_SIZE_CHECK = @$(call size_check,$@,$$(tools/spl_size_limit)) +else +SPL_SIZE_CHECK = +endif + +ifneq ($(CONFIG_TPL_SIZE_LIMIT),0x0) +TPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_TPL_SIZE_LIMIT)) +else +TPL_SIZE_CHECK = +endif + +ifneq ($(CONFIG_VPL_SIZE_LIMIT),0x0) +VPL_SIZE_CHECK = @$(call size_check,$@,$(CONFIG_VPL_SIZE_LIMIT)) +else +VPL_SIZE_CHECK = +endif + +# Statically apply RELA-style relocations (currently arm64 only) +# 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). +ifneq ($(CONFIG_STATIC_RELA),) +# $(2) is u-boot ELF, $(3) is u-boot bin, $(4) is text base +quiet_cmd_static_rela = RELOC $@ +cmd_static_rela = \ + tools/relocate-rela $(3) $(2) +else +quiet_cmd_static_rela = +cmd_static_rela = +endif + +# Always append INPUTS so that arch config.mk's can add custom ones +INPUTS-y += u-boot.srec u-boot.bin u-boot.sym System.map binary_size_check + +ifeq ($(CONFIG_SPL_FSL_PBL),y) +INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot-with-spl-pbl.bin +else +ifneq ($(CONFIG_NXP_ESBC), y) +# For Secure Boot The Image needs to be signed and Header must also +# be included. So The image has to be built explicitly +INPUTS-$(CONFIG_RAMBOOT_PBL) += u-boot.pbl +endif +endif +INPUTS-$(CONFIG_SPL) += spl/u-boot-spl.bin +ifeq ($(CONFIG_MX6)$(CONFIG_IMX_HAB), yy) +INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img +else +ifeq ($(CONFIG_MX7)$(CONFIG_IMX_HAB), yy) +INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img +else +INPUTS-$(CONFIG_SPL_FRAMEWORK) += u-boot.img +endif +endif +INPUTS-$(CONFIG_TPL) += tpl/u-boot-tpl.bin +INPUTS-$(CONFIG_VPL) += vpl/u-boot-vpl.bin + +# Allow omitting the .dtb output if it is not normally used +INPUTS-$(CONFIG_OF_SEPARATE) += $(if $(CONFIG_OF_OMIT_DTB),dts/dt.dtb,u-boot.dtb) +ifeq ($(CONFIG_SPL_FRAMEWORK),y) +INPUTS-$(CONFIG_OF_SEPARATE) += u-boot-dtb.img +endif +INPUTS-$(CONFIG_SANDBOX) += u-boot.dtb +ifneq ($(CONFIG_SPL_TARGET),) +INPUTS-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%) +endif +INPUTS-$(CONFIG_REMAKE_ELF) += u-boot.elf +INPUTS-$(CONFIG_EFI_APP) += u-boot-app.efi +INPUTS-$(CONFIG_EFI_STUB) += u-boot-payload.efi + +# Generate this input file for binman +ifeq ($(CONFIG_SPL),) +ifneq ($(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO)),) +INPUTS-$(CONFIG_ARCH_MEDIATEK) += u-boot-mtk.bin +endif +endif + +ifdef CONFIG_FUNCTION_TRACER +ifdef CONFIG_FTRACE_MCOUNT_RECORD + # gcc 5 supports generating the mcount tables directly + ifeq ($(call cc-option-yn,-mrecord-mcount),y) + CC_FLAGS_FTRACE += -mrecord-mcount + export CC_USING_RECORD_MCOUNT := 1 + endif + ifdef CONFIG_HAVE_NOP_MCOUNT + ifeq ($(call cc-option-yn, -mnop-mcount),y) + CC_FLAGS_FTRACE += -mnop-mcount + CC_FLAGS_USING += -DCC_USING_NOP_MCOUNT + endif + endif +endif +ifdef CONFIG_HAVE_FENTRY + ifeq ($(call cc-option-yn, -mfentry),y) + CC_FLAGS_FTRACE += -mfentry + CC_FLAGS_USING += -DCC_USING_FENTRY + endif +endif +export CC_FLAGS_FTRACE +KBUILD_CFLAGS += $(CC_FLAGS_FTRACE) $(CC_FLAGS_USING) +KBUILD_AFLAGS += $(CC_FLAGS_USING) +ifdef CONFIG_DYNAMIC_FTRACE + ifdef CONFIG_HAVE_C_RECORDMCOUNT + BUILD_C_RECORDMCOUNT := y + export BUILD_C_RECORDMCOUNT + endif +endif +endif + +# Add optional build target if defined in board/cpu/soc headers +ifneq ($(CONFIG_BUILD_TARGET),) +INPUTS-y += $(CONFIG_BUILD_TARGET:"%"=%) +endif + +ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy) +INPUTS-y += init_sp_bss_offset_check +endif + +ifeq ($(CONFIG_ARCH_ROCKCHIP)_$(CONFIG_SPL_FRAMEWORK),y_) +INPUTS-y += u-boot.img +endif + +INPUTS-$(CONFIG_X86) += u-boot-x86-start16.bin u-boot-x86-reset16.bin \ + $(if $(CONFIG_SPL_X86_16BIT_INIT),spl/u-boot-spl.bin) \ + $(if $(CONFIG_TPL_X86_16BIT_INIT),tpl/u-boot-tpl.bin) + +LDFLAGS_u-boot += $(LDFLAGS_FINAL) + +# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards. +LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker) + +# ld.lld support +LDFLAGS_u-boot += -z notext $(call ld-option,--apply-dynamic-relocs) + +LDFLAGS_u-boot += --build-id=none + +ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),) +LDFLAGS_u-boot += -Ttext $(CONFIG_TEXT_BASE) +endif + +# make the checker run with the right architecture +CHECKFLAGS += --arch=$(ARCH) + +# insure the checker run with the right endianness +CHECKFLAGS += $(if $(CONFIG_SYS_BIG_ENDIAN),-mbig-endian,-mlittle-endian) + +# the checker needs the correct machine size +CHECKFLAGS += $(if $(CONFIG_64BIT),-m64,-m32) + +# Normally we fill empty space with 0xff +quiet_cmd_objcopy = OBJCOPY $@ +cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \ + $(OBJCOPYFLAGS_$(@F)) $< $@ + +# disable pointer signed / unsigned warnings in gcc 4.0 +KBUILD_CFLAGS += -Wno-pointer-sign + +# disable stringop warnings in gcc 8+ +KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) + +# disable invalid "can't wrap" optimizations for signed / pointers +KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) + +# Provide a version which does not do this, for use by EFI and hex/srec +quiet_cmd_zobjcopy = OBJCOPY $@ +cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@ + +quiet_cmd_efipayload = OBJCOPY $@ +cmd_efipayload = $(OBJCOPY) -I binary -O $(EFIPAYLOAD_BFDTARGET) -B $(EFIPAYLOAD_BFDARCH) $< $@ + +MKIMAGEOUTPUT ?= /dev/null + +quiet_cmd_mkimage = MKIMAGE $@ +cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \ + >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) + +quiet_cmd_mkfitimage = MKIMAGE $@ +cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) \ + -f $(U_BOOT_ITS) -p $(CONFIG_FIT_EXTERNAL_OFFSET) $@ \ + >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT)) + +quiet_cmd_cat = CAT $@ +cmd_cat = cat $(filter-out $(PHONY), $^) > $@ + +append = cat $(filter-out $< $(PHONY), $^) >> $@ + +quiet_cmd_pad_cat = CAT $@ +cmd_pad_cat = $(cmd_objcopy) && $(append) || { rm -f $@; false; } + +quiet_cmd_lzma = LZMA $@ +cmd_lzma = lzma -c -z -k -9 $< > $@ + +cfg: u-boot.cfg + +quiet_cmd_ofcheck = OFCHK $2 +cmd_ofcheck = $(srctree)/scripts/check-of.sh $2 \ + $(srctree)/scripts/of_allowlist.txt + +# Concat the value of all the CONFIGs (result is 'y' or 'yy', etc. ) +got = $(foreach cfg,$(1),$($(cfg))) + +# expected value 'y for each one +expect = $(foreach cfg,$(1),y) + +# Show a deprecation message +# Args: +# 1: List of options to migrate to (e.g. "CONFIG_DM_MMC CONFIG_BLK") +# 2: Name of component (e.g . "Ethernet drivers") +# 3: Release deadline (e.g. "v202.07") +# 4: Condition to require before checking (e.g. "$(CONFIG_NET)") +# Note: Script avoids bash construct, hence the strange double 'if' +# (patches welcome!) +define deprecated + @if [ -n "$(strip $(4))" ]; then if [ "$(got)" != "$(expect)" ]; then \ + echo >&2 "===================== WARNING ======================"; \ + echo >&2 "This board does not use $(firstword $(1)) (Driver Model"; \ + echo >&2 "for $(2)). Please update the board to use"; \ + echo >&2 "$(firstword $(1)) before the $(3) release. Failure to"; \ + echo >&2 "update by the deadline may result in board removal."; \ + echo >&2 "See doc/develop/driver-model/migration.rst for more info."; \ + echo >&2 "===================================================="; \ + fi; fi + +endef + +# Timestamp file to make sure that binman always runs +.binman_stamp: $(INPUTS-y) FORCE +ifeq ($(CONFIG_BINMAN),y) + $(call if_changed,binman) +endif + @touch $@ + +all: .binman_stamp + +ifeq ($(CONFIG_DEPRECATED),y) + $(warning "You have deprecated configuration options enabled in your .config! Please check your configuration.") +endif +ifeq ($(CONFIG_OF_EMBED)$(CONFIG_EFI_APP),y) + @echo >&2 "===================== WARNING ======================" + @echo >&2 "CONFIG_OF_EMBED is enabled. This option should only" + @echo >&2 "be used for debugging purposes. Please use" + @echo >&2 "CONFIG_OF_SEPARATE for boards in mainline." + @echo >&2 "See doc/develop/devicetree/control.rst for more info." + @echo >&2 "====================================================" +endif + $(call deprecated,CONFIG_WDT,DM watchdog,v2019.10,\ + $(CONFIG_WATCHDOG)$(CONFIG_HW_WATCHDOG)) + $(call deprecated,CONFIG_DM_I2C,I2C drivers,v2022.04,$(CONFIG_SYS_I2C_LEGACY)) + @# CFG_SYS_TIMER_RATE has brackets in it for some boards which + @# confuses this rule. Use if() to send just a single character which + @# is enable to tell 'deprecated' that one of these symbols exists + $(call deprecated,CONFIG_TIMER,Timer drivers,v2023.01,$(if $(strip $(CFG_SYS_TIMER_RATE)$(CFG_SYS_TIMER_COUNTER)),x)) + $(call deprecated,CONFIG_DM_SERIAL,Serial drivers,v2023.04,$(CONFIG_SERIAL)) + @# Check that this build does not override OF_HAS_PRIOR_STAGE by + @# disabling OF_BOARD. + $(call cmd,ofcheck,$(KCONFIG_CONFIG)) + +PHONY += dtbs dtbs_check +dtbs: dts/dt.dtb @: +dts/dt.dtb: dtbs_prepare u-boot + $(Q)$(MAKE) $(build)=dts dtbs + +dtbs_prepare: prepare3 + +ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),) +export CHECK_DTBS=y +endif -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 +ifneq ($(CHECK_DTBS),) +dtbs_prepare: dt_binding_check +endif + +dtbs_check: dt_binding_check dtbs + +DT_BINDING_DIR := dts/upstream/Bindings +dt_binding_check: scripts_dtc + $(Q)$(MAKE) $(build)=$(DT_BINDING_DIR) $(DT_BINDING_DIR)/processed-schema.json + +quiet_cmd_copy = COPY $@ + cmd_copy = cp $< $@ + +ifeq ($(CONFIG_OF_UPSTREAM),y) +ifeq ($(CONFIG_ARM64),y) +dt_dir := dts/upstream/src/arm64 +else +dt_dir := dts/upstream/src/$(ARCH) +endif +else +dt_dir := arch/$(ARCH)/dts +endif -PHONY += clean_arch -clean_arch: __clean-files = $(ARCH_DTB) $(ARCH_DTBO) -clean_arch: FORCE - $(call cmd,clean) - @find . $(RCS_FIND_IGNORE) \ - \( -name '.*.cmd' \ - -o -name '.*.d' \ - -o -name '.*.tmp' \ - \) -type f -print | xargs rm -f +ifeq ($(CONFIG_MULTI_DTB_FIT),y) +ifeq ($(CONFIG_MULTI_DTB_FIT_LZO),y) +FINAL_DTB_CONTAINER = fit-dtb.blob.lzo +else ifeq ($(CONFIG_MULTI_DTB_FIT_GZIP),y) +FINAL_DTB_CONTAINER = fit-dtb.blob.gz +else +FINAL_DTB_CONTAINER = fit-dtb.blob endif +fit-dtb.blob.gz: fit-dtb.blob + @gzip -nkf9 $< > $@ + +fit-dtb.blob.lzo: fit-dtb.blob + @lzop -f9 $< > $@ + +fit-dtb.blob: dts/dt.dtb FORCE + $(call if_changed,mkimage) +ifneq ($(SOURCE_DATE_EPOCH),) + touch -d @$(SOURCE_DATE_EPOCH) fit-dtb.blob + chmod 0600 fit-dtb.blob +endif + +MKIMAGEFLAGS_fit-dtb.blob = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ + -a 0 -e 0 -E \ + $(patsubst %,-b $(dt_dir)/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) -d /dev/null + +MKIMAGEFLAGS_fit-dtb.blob += -B 0x8 + +ifneq ($(EXT_DTB),) +u-boot-fit-dtb.bin: u-boot-nodtb.bin $(EXT_DTB) + $(call if_changed,cat) +else +u-boot-fit-dtb.bin: u-boot-nodtb.bin $(FINAL_DTB_CONTAINER) + $(call if_changed,cat) +endif + +u-boot.bin: u-boot-fit-dtb.bin FORCE + $(call if_changed,copy) + +ifneq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR)$(CONFIG_OF_SEPARATE),yy) +u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE + $(call if_changed,cat) +endif + +else ifeq ($(CONFIG_OF_SEPARATE).$(CONFIG_OF_OMIT_DTB),y.) + +ifneq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR)$(CONFIG_OF_SEPARATE),yy) +u-boot-dtb.bin: u-boot-nodtb.bin dts/dt.dtb FORCE + $(call if_changed,cat) +endif + +u-boot.bin: u-boot-dtb.bin FORCE + $(call if_changed,copy) + +else +u-boot.bin: u-boot-nodtb.bin FORCE + $(call if_changed,copy) +endif + +# we call Makefile in arch/arm/mach-imx which +# has targets which are dependent on targets defined +# here. make could not resolve them and we must ensure +# that they are finished before calling imx targets +ifeq ($(CONFIG_MULTI_DTB_FIT),y) +IMX_DEPS = u-boot-fit-dtb.bin +endif + +%.imx: $(IMX_DEPS) %.bin + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + $(BOARD_SIZE_CHECK) + +%.vyb: %.imx + $(Q)$(MAKE) $(build)=arch/arm/cpu/armv7/vf610 $@ + +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,zobjcopy) + +OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec) + +ifeq ($(CONFIG_POSITION_INDEPENDENT)$(CONFIG_RCAR_GEN3),yy) +# The flash_writer tool and previous recovery tools +# require the SREC load address to be 0x5000_0000 . +# The PIE U-Boot build sets the address to 0x0, so +# override the address back to make u-boot-elf.srec +# compatible with the recovery tools. +OBJCOPYFLAGS_u-boot-elf.srec += --change-addresses=0x50000000 +endif + +u-boot-elf.srec: u-boot.elf FORCE + $(call if_changed,zobjcopy) + +OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec) + +spl/u-boot-spl.srec: spl/u-boot-spl FORCE + $(call if_changed,zobjcopy) + +%.scif: %.srec + $(Q)$(MAKE) $(build)=arch/arm/mach-renesas $@ + +OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \ + $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \ + $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),$(if $(CONFIG_OF_SEPARATE),-R .bootpg -R .resetvec)) + +binary_size_check: u-boot-nodtb.bin FORCE + @file_size=$(shell wc -c u-boot-nodtb.bin | awk '{ print $$1 }') ; \ + map_size=$(shell cat u-boot.map | \ + awk ' \ + /_image_copy_start/ { start = $$1 } \ + /_image_binary_end/ { end = $$1 } \ + END { \ + if (start != "" && end != "") \ + print end " " start; \ + }' \ + | sh -c 'read end start && echo $$((end - start))'); \ + if [ -n "$$map_size" ]; then \ + if test $$map_size -ne $$file_size; then \ + echo "u-boot.map shows a binary size of $$map_size" >&2 ; \ + echo " but u-boot-nodtb.bin shows $$file_size" >&2 ; \ + exit 1; \ + fi; \ + fi + +ifeq ($(CONFIG_INIT_SP_RELATIVE)$(CONFIG_OF_SEPARATE),yy) +ifneq ($(CONFIG_SYS_MALLOC_F),) +subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN))) +else +subtract_sys_malloc_f_len = true +endif +# The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is +# so low that the DTB could probably use 90%+ of the available space, for +# current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be +# safe for now and tweak this later if space becomes tight. +# A rejected alternative would be to check that some absolute minimum stack +# space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is +# deliberately build-specific, to take account of build-to-build stack usage +# differences due to different feature sets, there is no common absolute value +# to check against. +init_sp_bss_offset_check: u-boot.dtb FORCE + @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$1}') ; \ + space=$(CONFIG_SYS_INIT_SP_BSS_OFFSET) ; \ + $(subtract_sys_malloc_f_len) ; \ + quarter_space=$$(($${space} / 4)) ; \ + if [ $${dtb_size} -gt $${quarter_space} ]; then \ + echo "u-boot.dtb is larger than 1 quarter of " >&2 ; \ + echo "(CONFIG_SYS_INIT_SP_BSS_OFFSET - CONFIG_SYS_MALLOC_F_LEN)" >&2 ; \ + exit 1 ; \ + fi +endif + +shell_cmd = { $(call echo-cmd,$(1)) $(cmd_$(1)); } + +quiet_cmd_objcopy_uboot = OBJCOPY $@ +ifdef cmd_static_rela +cmd_objcopy_uboot = $(cmd_objcopy) && $(call shell_cmd,static_rela,$<,$@,$(CONFIG_TEXT_BASE)) || { rm -f $@; false; } +else +cmd_objcopy_uboot = $(cmd_objcopy) +endif + +u-boot-nodtb.bin: u-boot FORCE + $(call if_changed,objcopy_uboot) + $(BOARD_SIZE_CHECK) + +u-boot.ldr: u-boot + $(LDR) -T $(CONFIG_LDR_CPU) -c $@ $< $(LDR_FLAGS) + $(BOARD_SIZE_CHECK) + +# binman +# --------------------------------------------------------------------------- +# Use 'make BINMAN_DEBUG=1' to enable debugging +# Use 'make BINMAN_VERBOSE=3' to set vebosity level + +ifneq ($(EXT_DTB),) +ext_dtb_list := $(basename $(notdir $(EXT_DTB))) +default_dt := $(firstword $(ext_dtb_list)) +of_list := "$(ext_dtb_list)" +of_list_dirs := $(dir $(EXT_DTB)) $(dt_dir) +else +of_list := $(CONFIG_OF_LIST) +of_list_dirs := $(dt_dir) +default_dt := $(if $(DEVICE_TREE),$(DEVICE_TREE),$(CONFIG_DEFAULT_DEVICE_TREE)) +endif + +ifneq ($(CONFIG_OF_UPSTREAM_INCLUDE_LOCAL_FALLBACK_DTBOS),) +of_list_dirs += arch/$(ARCH)/dts +endif + +binman_dtb := $(shell echo $(CONFIG_BINMAN_DTB)) +ifeq ($(strip $(binman_dtb)),) +ifeq ($(CONFIG_OF_EMBED),y) +binman_dtb = ./dts/dt.dtb +else +binman_dtb = ./u-boot.dtb +endif +endif + +quiet_cmd_binman = BINMAN $@ +cmd_binman = $(srctree)/tools/binman/binman $(if $(BINMAN_DEBUG),-D) \ + $(foreach f,$(BINMAN_TOOLPATHS),--toolpath $(f)) \ + --toolpath $(objtree)/tools \ + $(if $(BINMAN_VERBOSE),-v$(BINMAN_VERBOSE)) \ + build -u -d $(binman_dtb) -O . -m \ + --allow-missing --fake-ext-blobs \ + $(if $(BINMAN_ALLOW_MISSING),--ignore-missing) \ + -I . -I $(srctree) -I $(srctree)/board/$(BOARDDIR) \ + $(foreach f,$(of_list_dirs),-I $(f)) -a of-list=$(of_list) \ + $(foreach f,$(BINMAN_INDIRS),-I $(f)) \ + -a atf-bl1-path=${BL1} \ + -a atf-bl31-path=${BL31} \ + -a tee-os-path=${TEE} \ + -a ti-dm-path=${TI_DM} \ + -a opensbi-path=${OPENSBI} \ + -a default-dt=$(default_dt) \ + -a scp-path=$(SCP) \ + -a rockchip-tpl-path=$(ROCKCHIP_TPL) \ + -a spl-bss-pad=$(if $(CONFIG_SPL_SEPARATE_BSS),,1) \ + -a tpl-bss-pad=$(if $(CONFIG_TPL_SEPARATE_BSS),,1) \ + -a vpl-bss-pad=$(if $(CONFIG_VPL_SEPARATE_BSS),,1) \ + -a spl-dtb=$(CONFIG_SPL_OF_REAL) \ + -a tpl-dtb=$(CONFIG_TPL_OF_REAL) \ + -a vpl-dtb=$(CONFIG_VPL_OF_REAL) \ + -a pre-load-key-path=${PRE_LOAD_KEY_PATH} \ + -a of-spl-remove-props=$(CONFIG_OF_SPL_REMOVE_PROPS) \ + $(BINMAN_$(@F)) + +OBJCOPYFLAGS_u-boot.ldr.hex := -I binary -O ihex + +OBJCOPYFLAGS_u-boot.ldr.srec := -I binary -O srec + +u-boot.ldr.hex u-boot.ldr.srec: u-boot.ldr FORCE + $(call if_changed,zobjcopy) + +ifdef CONFIG_SPL_LOAD_FIT +MKIMAGEFLAGS_u-boot.img = -f auto -A $(ARCH) -T firmware -C none -O u-boot \ + -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ + -p $(CONFIG_FIT_EXTERNAL_OFFSET) \ + -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" -E \ + $(patsubst %,-b $(dt_dir)/%.dtb,$(subst ",,$(DEVICE_TREE))) \ + $(patsubst %,-b $(dt_dir)/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) \ + $(patsubst %,-b $(dt_dir)/%.dtbo,$(subst ",,$(CONFIG_OF_OVERLAY_LIST))) +else +MKIMAGEFLAGS_u-boot.img = -A $(ARCH) -T firmware -C none -O u-boot \ + -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ + -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" +MKIMAGEFLAGS_u-boot-ivt.img = -A $(ARCH) -T firmware_ivt -C none -O u-boot \ + -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ + -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" +u-boot-ivt.img: MKIMAGEOUTPUT = u-boot-ivt.img.log +endif + +MKIMAGEFLAGS_u-boot-dtb.img = $(MKIMAGEFLAGS_u-boot.img) + +# Some boards have the kwbimage.cfg file written in advance, while some +# other boards generate it on the fly during the build in the build tree. +# Let's check if the file exists in the build tree first, otherwise we +# fall back to use the one in the source tree. +KWD_CONFIG_FILE = $(shell \ + if [ -f $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%) ]; then \ + echo -n $(objtree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \ + else \ + echo -n $(srctree)/$(CONFIG_SYS_KWD_CONFIG:"%"=%); \ + fi) + +MKIMAGEFLAGS_u-boot.kwb = -n $(KWD_CONFIG_FILE) \ + -T kwbimage -a $(CONFIG_TEXT_BASE) -e $(CONFIG_TEXT_BASE) + +MKIMAGEFLAGS_u-boot-with-spl.kwb = -n $(KWD_CONFIG_FILE) \ + -T kwbimage -a $(CONFIG_TEXT_BASE) -e $(CONFIG_TEXT_BASE) \ + $(if $(KEYDIR),-k $(KEYDIR)) + +MKIMAGEFLAGS_u-boot.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ + -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -A $(ARCH) -T pblimage + +UBOOT_BIN := u-boot.bin + +MKIMAGEFLAGS_u-boot-lzma.img = -A $(ARCH) -T standalone -C lzma -O u-boot \ + -a $(CONFIG_TEXT_BASE) -e $(CONFIG_SYS_UBOOT_START) \ + -n "U-Boot $(UBOOTRELEASE) for $(BOARD) board" + +u-boot.bin.lzma: u-boot.bin FORCE + $(call if_changed,lzma) + +u-boot-lzma.img: u-boot.bin.lzma FORCE + $(call if_changed,mkimage) + +fit_image := $(if $(CONFIG_SANDBOX_VPL),u-boot,u-boot-nodtb.bin) + +u-boot-dtb.img u-boot.img u-boot.kwb u-boot.pbl u-boot-ivt.img: \ + $(if $(CONFIG_SPL_LOAD_FIT),$(fit_image) \ + $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX),dts/dt.dtb) \ + ,$(UBOOT_BIN)) FORCE + $(call if_changed,mkimage) + $(BOARD_SIZE_CHECK) + +ifeq ($(CONFIG_SPL_LOAD_FIT_FULL),y) +MKIMAGEFLAGS_u-boot.itb = +else +MKIMAGEFLAGS_u-boot.itb = -E +endif +MKIMAGEFLAGS_u-boot.itb += -B 0x8 + +ifdef U_BOOT_ITS +u-boot.itb: u-boot-nodtb.bin \ + $(if $(CONFIG_OF_SEPARATE)$(CONFIG_OF_EMBED)$(CONFIG_SANDBOX),dts/dt.dtb) \ + $(if $(CONFIG_MULTI_DTB_FIT),$(FINAL_DTB_CONTAINER)) \ + $(U_BOOT_ITS) FORCE + $(call if_changed,mkfitimage) + $(BOARD_SIZE_CHECK) +endif + +u-boot-with-spl.kwb: u-boot.bin spl/u-boot-spl.bin FORCE + $(call if_changed,mkimage) + $(BOARD_SIZE_CHECK) + +u-boot.dis: u-boot + $(OBJDUMP) -d $< > $@ + +ifneq ($(CONFIG_SPL_PAYLOAD),) +SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%) +else +SPL_PAYLOAD := u-boot.bin +endif + +SPL_IMAGE := $(CONFIG_SPL_IMAGE:"%"=%) + +OBJCOPYFLAGS_u-boot-with-spl.bin = -I binary -O binary \ + --pad-to=$(CONFIG_SPL_PAD_TO) +u-boot-with-spl.bin: $(SPL_IMAGE) $(SPL_PAYLOAD) FORCE + $(call if_changed,pad_cat) + +ifeq ($(CONFIG_ARCH_LPC32XX)$(CONFIG_SPL),yy) +MKIMAGEFLAGS_lpc32xx-spl.img = -T lpc32xximage -a $(CONFIG_SPL_TEXT_BASE) + +lpc32xx-spl.img: spl/u-boot-spl.bin FORCE + $(call if_changed,mkimage) + +OBJCOPYFLAGS_lpc32xx-boot-0.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) + +lpc32xx-boot-0.bin: lpc32xx-spl.img FORCE + $(call if_changed,objcopy) + +OBJCOPYFLAGS_lpc32xx-boot-1.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) + +lpc32xx-boot-1.bin: lpc32xx-spl.img FORCE + $(call if_changed,objcopy) + +lpc32xx-full.bin: lpc32xx-boot-0.bin lpc32xx-boot-1.bin u-boot.img FORCE + $(call if_changed,cat) + +endif + +OBJCOPYFLAGS_u-boot-with-tpl.bin = -I binary -O binary \ + --pad-to=$(CONFIG_TPL_PAD_TO) +tpl/u-boot-with-tpl.bin: tpl/u-boot-tpl.bin u-boot.bin FORCE + $(call if_changed,pad_cat) + +SPL: spl/u-boot-spl.bin FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + +#ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y) +ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y) +u-boot.cnt: u-boot.bin FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + +flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ +else +ifeq ($(CONFIG_BINMAN),y) +flash.bin: spl/u-boot-spl.bin $(INPUTS-y) FORCE + $(call if_changed,binman) +else +flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ +endif +endif +#endif + +u-boot.uim: u-boot.bin FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + +u-boot-nand.imx: u-boot.imx FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + +u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL $(if $(CONFIG_OF_SEPARATE),u-boot.img,u-boot.uim) FORCE + $(Q)$(MAKE) $(build)=arch/arm/mach-imx $@ + +MKIMAGEFLAGS_u-boot.ubl = -n $(UBL_CONFIG) -T ublimage -e $(CONFIG_TEXT_BASE) + +u-boot.ubl: u-boot-with-spl.bin FORCE + $(call if_changed,mkimage) + +MKIMAGEFLAGS_u-boot-spl.ais = -s -n "/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_PAD_TO) +u-boot.ais: spl/u-boot-spl.ais u-boot.img FORCE + $(call if_changed,pad_cat) + +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 + +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 + $(call if_changed,mkimage) + +ifneq ($(CONFIG_ARCH_SOCFPGA),) +quiet_cmd_gensplx4 = GENSPLX4 $@ +cmd_gensplx4 = $(OBJCOPY) -I binary -O binary --gap-fill=0x0 \ + --pad-to=$(CONFIG_SPL_PAD_TO) \ + spl/u-boot-spl.sfp spl/u-boot-spl.sfp && \ + cat spl/u-boot-spl.sfp spl/u-boot-spl.sfp \ + spl/u-boot-spl.sfp spl/u-boot-spl.sfp > $@ || { rm -f $@; false; } +spl/u-boot-splx4.sfp: spl/u-boot-spl.sfp FORCE + $(call if_changed,gensplx4) + +quiet_cmd_socboot = SOCBOOT $@ +cmd_socboot = cat spl/u-boot-splx4.sfp u-boot.img > $@ || { rm -f $@; false; } +u-boot-with-spl.sfp: spl/u-boot-splx4.sfp u-boot.img FORCE + $(call if_changed,socboot) + +quiet_cmd_gensplpadx4 = GENSPLPADX4 $@ +cmd_gensplpadx4 = dd if=/dev/zero of=spl/u-boot-spl.pad bs=64 count=1024 ; \ + cat spl/u-boot-spl.sfp spl/u-boot-spl.pad \ + spl/u-boot-spl.sfp spl/u-boot-spl.pad \ + spl/u-boot-spl.sfp spl/u-boot-spl.pad \ + spl/u-boot-spl.sfp spl/u-boot-spl.pad > $@ || \ + { rm -f $@ spl/u-boot-spl.pad; false; } +u-boot-spl-padx4.sfp: spl/u-boot-spl.sfp FORCE + $(call if_changed,gensplpadx4) + +quiet_cmd_socnandboot = SOCNANDBOOT $@ +cmd_socnandboot = cat u-boot-spl-padx4.sfp u-boot.img > $@ || { rm -f $@; false; } +u-boot-with-nand-spl.sfp: u-boot-spl-padx4.sfp u-boot.img FORCE + $(call if_changed,socnandboot) + +endif + +ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR)$(CONFIG_OF_SEPARATE),yy) +u-boot-dtb.bin: u-boot-nodtb.bin u-boot.dtb u-boot-br.bin FORCE + $(call if_changed,binman) + +OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec +u-boot-br.bin: u-boot FORCE + $(call if_changed,objcopy) +endif + +quiet_cmd_ldr = LD $@ +cmd_ldr = $(LD) $(LDFLAGS_$(@F)) \ + $(filter-out FORCE,$^) -o $@ + +ifdef CONFIG_X86 +OBJCOPYFLAGS_u-boot-x86-start16.bin := -O binary -j .start16 +u-boot-x86-start16.bin: u-boot FORCE + $(call if_changed,objcopy) + +OBJCOPYFLAGS_u-boot-x86-reset16.bin := -O binary -j .resetvec +u-boot-x86-reset16.bin: u-boot FORCE + $(call if_changed,objcopy) + +endif # CONFIG_X86 + +OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI) +u-boot-app.efi: u-boot FORCE + $(call if_changed,zobjcopy) + +u-boot.bin.o: u-boot.bin FORCE + $(call if_changed,efipayload) + +u-boot-payload.lds: $(LDSCRIPT_EFI) FORCE + $(call if_changed_dep,cpp_lds) + +# Rule to link the EFI payload which contains a stub and a U-Boot binary +quiet_cmd_u-boot_payload ?= LD $@ + cmd_u-boot_payload ?= $(LD) $(LDFLAGS_EFI_PAYLOAD) -o $@ \ + -T u-boot-payload.lds arch/x86/cpu/call32.o \ + lib/efi_client/efi.o lib/efi_client/efi_stub.o u-boot.bin.o \ + $(addprefix arch/$(ARCH)/lib/,$(EFISTUB)) + +u-boot-payload: u-boot.bin.o u-boot-payload.lds FORCE + $(call if_changed,u-boot_payload) + +OBJCOPYFLAGS_u-boot-payload.efi := $(OBJCOPYFLAGS_EFI) +u-boot-payload.efi: u-boot-payload FORCE + $(call if_changed,zobjcopy) + +u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE + $(call if_changed,cat) + +#Add a target to create boot binary having SPL binary in PBI format +#concatenated with u-boot binary. It is need by PowerPC SoC having +#internal SRAM <= 512KB. +MKIMAGEFLAGS_u-boot-spl.pbl = -n $(srctree)/$(CONFIG_SYS_FSL_PBL_RCW:"%"=%) \ + -R $(srctree)/$(CONFIG_SYS_FSL_PBL_PBI:"%"=%) -T pblimage \ + -A $(ARCH) -a $(CONFIG_SPL_TEXT_BASE) + +spl/u-boot-spl.pbl: spl/u-boot-spl.bin FORCE + $(call if_changed,mkimage) + +ifeq ($(ARCH),arm) +UBOOT_BINLOAD := u-boot.img +else +UBOOT_BINLOAD := u-boot.bin +endif + +OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \ + --gap-fill=0xff + +u-boot-with-spl-pbl.bin: spl/u-boot-spl.pbl $(UBOOT_BINLOAD) FORCE + $(call if_changed,pad_cat) + +quiet_cmd_u-boot-elf ?= LD $@ + cmd_u-boot-elf ?= $(LD) u-boot-elf.o -o $@ \ + $(if $(CONFIG_SYS_BIG_ENDIAN),-EB,-EL) \ + -T u-boot-elf.lds --defsym=$(CONFIG_PLATFORM_ELFENTRY)=$(CONFIG_TEXT_BASE) \ + -Ttext=$(CONFIG_TEXT_BASE) +u-boot.elf: u-boot.bin u-boot-elf.lds + $(Q)$(OBJCOPY) -I binary $(PLATFORM_ELFFLAGS) $< u-boot-elf.o + $(call if_changed,u-boot-elf) + +u-boot-elf.lds: arch/u-boot-elf.lds prepare FORCE + $(call if_changed_dep,cpp_lds) + +PHONY += prepare0 +# MediaTek's ARM-based u-boot needs a header to contains its load address +# which is parsed by the BootROM. +# If the SPL build is enabled, the header will be added to the spl binary, +# and the spl binary and the u-boot.img will be combined into one file. +# Otherwise the header will be added to the u-boot.bin directly. + +ifeq ($(CONFIG_SPL),y) +spl/u-boot-spl-mtk.bin: spl/u-boot-spl + +u-boot-mtk.bin: u-boot-with-spl.bin + $(call if_changed,copy) +else +MKIMAGEFLAGS_u-boot-mtk.bin = -T mtk_image \ + -a $(CONFIG_TEXT_BASE) -e $(CONFIG_TEXT_BASE) \ + -n "$(patsubst "%",%,$(CONFIG_MTK_BROM_HEADER_INFO))" + +u-boot-mtk.bin: u-boot.bin FORCE + $(call if_changed,mkimage) +endif + +quiet_cmd_endian_swap = SWAP $@ + cmd_endian_swap = $(srctree)/tools/endian-swap.py $< $@ + +u-boot-swap.bin: u-boot.bin FORCE + $(call if_changed,endian_swap) + +ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(ARCH)/Makefile.postlink) + +# Generate linker list symbols references to force compiler to not optimize +# them away when compiling with LTO +ifeq ($(LTO_ENABLE),y) +u-boot-keep-syms-lto := keep-syms-lto.o +u-boot-keep-syms-lto_c := $(patsubst %.o,%.c,$(u-boot-keep-syms-lto)) + +quiet_cmd_keep_syms_lto = KSL $@ + cmd_keep_syms_lto = \ + $(srctree)/scripts/gen_ll_addressable_symbols.sh $(NM) $^ > $@ + +quiet_cmd_keep_syms_lto_cc = KSLCC $@ + cmd_keep_syms_lto_cc = \ + $(CC) $(filter-out $(LTO_CFLAGS),$(c_flags)) -c -o $@ $< + +$(u-boot-keep-syms-lto_c): $(u-boot-main) + $(call if_changed,keep_syms_lto) +$(u-boot-keep-syms-lto): $(u-boot-keep-syms-lto_c) + $(call if_changed,keep_syms_lto_cc) +else +u-boot-keep-syms-lto := +endif + +# Rule to link u-boot +# May be overridden by arch/$(ARCH)/config.mk +ifeq ($(LTO_ENABLE),y) +quiet_cmd_u-boot__ ?= LTO $@ + cmd_u-boot__ ?= \ + touch $(u-boot-main) ; \ + $(CC) -nostdlib -nostartfiles \ + $(LTO_FINAL_LDFLAGS) $(c_flags) \ + $(KBUILD_LDFLAGS:%=-Wl,%) $(LDFLAGS_u-boot:%=-Wl,%) -o $@ \ + -T u-boot.lds $(u-boot-init) \ + -Wl,--whole-archive \ + $(u-boot-main) \ + $(u-boot-keep-syms-lto) \ + $(PLATFORM_LIBS) \ + -Wl,--no-whole-archive \ + -Wl,-Map,u-boot.map; \ + $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) +else +quiet_cmd_u-boot__ ?= LD $@ + cmd_u-boot__ ?= \ + touch $(u-boot-main) ; \ + $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_u-boot) -o $@ \ + -T u-boot.lds $(u-boot-init) \ + --whole-archive \ + $(u-boot-main) \ + --no-whole-archive \ + $(PLATFORM_LIBS) -Map u-boot.map; \ + $(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) $@, true) +endif + +quiet_cmd_smap = GEN common/system_map.o +cmd_smap = \ + smap=`$(call SYSTEM_MAP,u-boot) | \ + awk '$$2 ~ /[tTwW]/ {printf $$1 $$3 "\\\\000"}'` ; \ + $(CC) $(c_flags) -DSYSTEM_MAP="\"$${smap}\"" \ + -c $(srctree)/common/system_map.c -o common/system_map.o + +u-boot: $(u-boot-init) $(u-boot-main) $(u-boot-keep-syms-lto) u-boot.lds FORCE + +$(call if_changed,u-boot__) +ifeq ($(CONFIG_KALLSYMS),y) + $(call cmd,smap) + $(call cmd,u-boot__) common/system_map.o +endif + +ifeq ($(CONFIG_RISCV),y) + @tools/prelink-riscv $@ +endif + +quiet_cmd_sym ?= SYM $@ + cmd_sym ?= $(OBJDUMP) -t $< > $@ +u-boot.sym: u-boot FORCE + $(call if_changed,sym) + +# Environment processing +# --------------------------------------------------------------------------- + +# Directory where we expect the .env file, if it exists +ENV_DIR := $(srctree)/board/$(BOARDDIR) + +# Basename of .env file, stripping quotes +ENV_SOURCE_FILE := $(CONFIG_ENV_SOURCE_FILE:"%"=%) + +# Filename of .env file +ENV_FILE_CFG := $(ENV_DIR)/$(ENV_SOURCE_FILE).env + +# Default filename, if CONFIG_ENV_SOURCE_FILE is empty +ENV_FILE_BOARD := $(ENV_DIR)/$(CONFIG_SYS_BOARD:"%"=%).env + +# Select between the CONFIG_ENV_SOURCE_FILE and the default one +ENV_FILE := $(if $(ENV_SOURCE_FILE),$(ENV_FILE_CFG),$(wildcard $(ENV_FILE_BOARD))) + +# Run the environment text file through the preprocessor, but only if it is +# non-empty, to save time and possible build errors if something is wonky with +# the board. +# If there is no ENV_FILE, produce an empty output file, to prevent a previous +# build's file being used in the case of in-tree builds. +quiet_cmd_gen_envp = ENVP $@ + cmd_gen_envp = \ + if [ -s "$(ENV_FILE)" ]; then \ + $(CPP) -P $(cpp_flags) -x assembler-with-cpp -undef \ + -D__ASSEMBLY__ \ + -D__UBOOT_CONFIG__ \ + -DDEFAULT_DEVICE_TREE=$(subst ",,$(CONFIG_DEFAULT_DEVICE_TREE)) \ + -I . -I include -I $(srctree)/include \ + -include linux/kconfig.h -include include/config.h \ + -I$(srctree)/arch/$(ARCH)/include \ + $< -o $@; \ + else \ + rm -f $@; \ + touch $@ ; \ + fi +include/generated/env.in: include/generated/env.txt + $(call cmd,gen_envp) + +# Regenerate the environment if it changes +# We use 'wildcard' since the file is not required to exist (at present), in +# which case we don't want this dependency, but instead should create an empty +# file +# This rule is useful since it shows the source file for the environment +quiet_cmd_envc = ENVC $@ + cmd_envc = \ + if [ -f "$<" ]; then \ + cat $< > $@; \ + elif [ -n "$(ENV_SOURCE_FILE)" ]; then \ + echo "Missing file $(ENV_FILE_CFG)"; \ + else \ + touch $@ ; \ + fi + +include/generated/env.txt: $(wildcard $(ENV_FILE)) include/generated/autoconf.h + $(call cmd,envc) + +# Write out the resulting environment, converted to a C string +quiet_cmd_gen_envt = ENVT $@ + cmd_gen_envt = \ + awk -f $(srctree)/scripts/env2string.awk $< >$@ +$(env_h): include/generated/env.in + $(call cmd,gen_envt) + +# --------------------------------------------------------------------------- + +# The actual objects are generated when descending, +# make sure no implicit rule kicks in +$(sort $(u-boot-init) $(u-boot-main)): $(u-boot-dirs) ; + +# Handle descending into subdirectories listed in $(u-boot-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 + $(Q)$(MAKE) $(build)=$@ need-builtin=1 + +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, $(u-boot-dirs)) + +ifeq ($(CONFIG_USE_PRIVATE_LIBGCC),y) +# lib/efi_loader apps depend on arch/$(ARCH)/lib for lib.a +lib: $(filter arch/$(ARCH)/lib, $(u-boot-dirs)) +endif + +# The setlocalversion script comes from linux and expects a +# KERNELVERSION variable in the environment for figuring out which +# annotated tags are relevant. Pass UBOOTVERSION. +define filechk_uboot.release + KERNELVERSION=$(UBOOTVERSION) $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree) +endef + +# Store (new) UBOOTRELEASE string in include/config/uboot.release +include/config/uboot.release: include/config/auto.conf FORCE + $(call filechk,uboot.release) +# Additional helpers built in scripts/ +# Carefully list dependencies so we do not try to build scripts twice +# in parallel +PHONY += scripts +scripts: scripts_basic scripts_dtc + $(Q)$(MAKE) $(build)=$(@) + +# 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. + +PHONY += prepare archprepare prepare1 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)/.config -o -d $(srctree)/include/config ]; then \ + echo >&2 " $(srctree) is not clean, please run 'make mrproper'"; \ + echo >&2 " in the '$(srctree)' directory.";\ + /bin/false; \ + fi; +endif + +prepare1: prepare3 outputmakefile cfg $(version_h) $(timestamp_h) $(dt_h) $(env_h) \ + include/config/auto.conf +ifeq ($(wildcard $(LDSCRIPT)),) + @echo >&2 " Could not find linker script." + @/bin/false +endif + +ifeq ($(CONFIG_ENV_USE_DEFAULT_ENV_TEXT_FILE),y) +prepare1: $(defaultenv_h) + +envtools: $(defaultenv_h) +endif +archprepare: prepare1 scripts + +prepare0: archprepare + $(Q)$(MAKE) $(build)=. + +# All the preparing.. +prepare: prepare0 prepare-objtool + +# Support for using generic headers in asm-generic +asm-generic := -f $(srctree)/scripts/Makefile.asm-generic obj + +PHONY += asm-generic uapi-asm-generic +asm-generic: uapi-asm-generic + $(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/asm \ + generic=include/asm-generic +uapi-asm-generic: + $(Q)$(MAKE) $(asm-generic)=arch/$(SRCARCH)/include/generated/uapi/asm \ + generic=include/uapi/asm-generic + +PHONY += prepare-objtool +prepare-objtool: $(objtool_target) +ifeq ($(SKIP_STACK_VALIDATION),1) +ifdef CONFIG_UNWINDER_ORC + @echo "error: Cannot generate ORC metadata for CONFIG_UNWINDER_ORC=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2 + @false +else + @echo "warning: Cannot use CONFIG_STACK_VALIDATION=y, please install libelf-dev, libelf-devel or elfutils-libelf-devel" >&2 +endif +endif + +# Generate some files +# --------------------------------------------------------------------------- + +# Use sed to remove leading zeros from PATCHLEVEL to avoid using octal numbers +define filechk_version.h + (echo \#define PLAIN_VERSION \"$(UBOOTRELEASE)\"; \ + echo \#define U_BOOT_VERSION \"U-Boot \" PLAIN_VERSION; \ + echo \#define U_BOOT_VERSION_NUM $(VERSION); \ + echo \#define U_BOOT_VERSION_NUM_PATCH $$(echo $(PATCHLEVEL) | \ + sed -e "s/^0*//"); \ + echo \#define HOST_ARCH $(HOST_ARCH); \ + echo \#define CC_VERSION_STRING \"$$(LC_ALL=C $(CC) --version | head -n 1)\"; \ + echo \#define LD_VERSION_STRING \"$$(LC_ALL=C $(LD) --version | head -n 1)\"; ) +endef + +# The SOURCE_DATE_EPOCH mechanism requires a date that behaves like GNU date. +# The BSD date on the other hand behaves different and would produce errors +# with the misused '-d' switch. Respect that and search a working date with +# well known pre- and suffixes for the GNU variant of date. +define filechk_timestamp.h + (if test -n "$${SOURCE_DATE_EPOCH}"; then \ + SOURCE_DATE="@$${SOURCE_DATE_EPOCH}"; \ + DATE=""; \ + for date in gdate date.gnu date; do \ + $${date} -u -d "$${SOURCE_DATE}" >/dev/null 2>&1 && DATE="$${date}"; \ + done; \ + if test -n "$${DATE}"; then \ + LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_DATE "%b %d %C%y"'; \ + LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TIME "%T"'; \ + LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_TZ "%z"'; \ + LC_ALL=C $${DATE} -u -d "$${SOURCE_DATE}" +'#define U_BOOT_EPOCH %s'; \ + else \ + return 42; \ + fi; \ + else \ + LC_ALL=C date +'#define U_BOOT_DATE "%b %d %C%y"'; \ + LC_ALL=C date +'#define U_BOOT_TIME "%T"'; \ + LC_ALL=C date +'#define U_BOOT_TZ "%z"'; \ + LC_ALL=C date +'#define U_BOOT_EPOCH %s'; \ + fi) +endef + +define filechk_defaultenv.h + ( { grep -v '^#' | grep -v '^$$' || true ; echo '' ; } | \ + tr '\n' '\0' | \ + sed -e 's/\\\x0\s*//g' | \ + xxd -i ; ) +endef + +define filechk_dt.h + (if test -n "$${DEVICE_TREE}"; then \ + echo \#define DEVICE_TREE \"$(DEVICE_TREE)\"; \ + else \ + echo \#define DEVICE_TREE CONFIG_DEFAULT_DEVICE_TREE; \ + fi) +endef + +$(version_h): include/config/uboot.release FORCE + $(call filechk,version.h) + +$(timestamp_h): $(srctree)/Makefile FORCE + $(call filechk,timestamp.h) + +$(dt_h): $(srctree)/Makefile FORCE + $(call filechk,dt.h) + +$(defaultenv_h): $(CONFIG_ENV_DEFAULT_ENV_TEXT_FILE:"%"=%) FORCE + $(call filechk,defaultenv.h) + +# --------------------------------------------------------------------------- +# Devicetree files + +ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),) +dtstree := arch/$(SRCARCH)/boot/dts +endif + +ifneq ($(dtstree),) + +%.dtb: prepare3 scripts_dtc + $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ + +PHONY += dtbs dtbs_install dt_binding_check +dtbs dtbs_check: prepare3 scripts_dtc + $(Q)$(MAKE) $(build)=$(dtstree) + +dtbs_check: export CHECK_DTBS=1 +dtbs_check: dt_binding_check + +dtbs_install: + $(Q)$(MAKE) $(dtbinst)=$(dtstree) + +ifdef CONFIG_OF_EARLY_FLATTREE +all: dtbs +endif + +endif + +# Check dtc and pylibfdt, if DTC is provided, else build them +PHONY += scripts_dtc +scripts_dtc: scripts_basic + $(Q)if test "$(DTC)" = "$(DTC_INTREE)"; then \ + $(MAKE) $(build)=scripts/dtc; \ + else \ + if ! $(DTC) -v >/dev/null; then \ + echo '*** Failed to check dtc version: $(DTC)'; \ + false; \ + else \ + if test "$(call dtc-version)" -lt $(DTC_MIN_VERSION); then \ + echo '*** Your dtc is too old, please upgrade to dtc $(DTC_MIN_VERSION) or newer'; \ + false; \ + else \ + if [ -n "$(CONFIG_PYLIBFDT)" ]; then \ + if ! echo "import libfdt" | $(PYTHON3) 2>/dev/null; then \ + echo '*** pylibfdt does not seem to be available with $(PYTHON3)'; \ + false; \ + fi; \ + fi; \ + fi; \ + fi; \ + fi + +# --------------------------------------------------------------------------- +quiet_cmd_cpp_lds = LDS $@ +cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \ + -D__ASSEMBLY__ -x assembler-with-cpp -std=c99 -P -o $@ $< + +u-boot.lds: $(LDSCRIPT) prepare FORCE + $(call if_changed_dep,cpp_lds) + +spl/u-boot-spl.bin: spl/u-boot-spl + @: + $(SPL_SIZE_CHECK) + +spl/u-boot-spl-dtb.bin: spl/u-boot-spl + @: + +spl/u-boot-spl-dtb.hex: spl/u-boot-spl + @: + +spl/u-boot-spl: tools prepare $(if $(CONFIG_SPL_OF_CONTROL),dts/dt.dtb) + $(Q)$(MAKE) obj=spl -f $(srctree)/scripts/Makefile.xpl all + +spl/sunxi-spl.bin: spl/u-boot-spl + @: + +spl/sunxi-spl-with-ecc.bin: spl/sunxi-spl.bin + @: + +spl/u-boot-spl.sfp: spl/u-boot-spl + @: + +spl/boot.bin: spl/u-boot-spl + @: + +tpl/u-boot-tpl.bin: tpl/u-boot-tpl + @: + $(TPL_SIZE_CHECK) + +tpl/u-boot-tpl: tools prepare $(if $(CONFIG_TPL_OF_CONTROL),dts/dt.dtb) + $(Q)$(MAKE) obj=tpl -f $(srctree)/scripts/Makefile.xpl all + +vpl/u-boot-vpl.bin: vpl/u-boot-vpl + @: + $(VPL_SIZE_CHECK) + +vpl/u-boot-vpl: tools prepare $(if $(CONFIG_TPL_OF_CONTROL),dts/dt.dtb) + $(Q)$(MAKE) obj=vpl -f $(srctree)/scripts/Makefile.xpl all + +TAG_SUBDIRS := $(patsubst %,$(srctree)/%,$(u-boot-dirs) include) + +FIND := find +FINDFLAGS := -L + +tags ctags: + ctags -w -o ctags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ + -name '*.[chS]' -print` + ln -s ctags tags + +etags: + etags -a -o etags `$(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) \ + -name '*.[chS]' -print` +cscope: + $(FIND) $(FINDFLAGS) $(TAG_SUBDIRS) -name '*.[chS]' -print > \ + cscope.files + @find $(TAG_SUBDIRS) -name '*.[chS]' -type l -print | \ + grep -xvf - cscope.files > cscope.files.no-symlinks; \ + mv cscope.files.no-symlinks cscope.files + cscope -b -q -k + +SYSTEM_MAP = \ + $(NM) $1 | \ + grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ + LC_ALL=C sort +System.map: u-boot + @$(call SYSTEM_MAP,$<) > $@ + +# ARM relocations should all be R_ARM_RELATIVE (32-bit) or +# R_AARCH64_RELATIVE (64-bit). +checkarmreloc: u-boot + @RELOC="`$(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: $$RELOC"; \ + false; \ + fi + +tools/version.h: include/version.h + $(Q)mkdir -p $(dir $@) + $(call if_changed,copy) + +envtools: u-boot-initial-env scripts_basic $(version_h) $(timestamp_h) tools/version.h + $(Q)$(MAKE) $(build)=tools/env + +tools-only: export TOOLS_ONLY=y +tools-only: scripts_basic $(version_h) $(timestamp_h) tools/version.h + $(Q)$(MAKE) $(build)=tools + +tools-all: export HOST_TOOLS_ALL=y +tools-all: envtools tools ; + +cross_tools: export CROSS_BUILD_TOOLS=y +cross_tools: tools ; + +.PHONY : CHANGELOG +CHANGELOG: + git log --no-merges U-Boot-1_1_5.. | \ + unexpand -a | sed -e 's/\s\s*$$//' > $@ + +######################################################################### + +### +# 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) \ + $(foreach d, spl tpl vpl, $(patsubst %,$d/%, \ + $(filter-out include, $(shell ls -1 $d 2>/dev/null)))) + +CLEAN_FILES += include/autoconf.mk* include/bmp_logo.h include/bmp_logo_data.h \ + include/config.h include/generated/env.* drivers/video/u_boot_logo.S \ + tools/version.h u-boot* MLO* SPL System.map fit-dtb.blob* \ + u-boot-ivt.img.log u-boot-dtb.imx.log SPL.log u-boot.imx.log \ + lpc32xx-* bl31.c bl31.elf bl31_*.bin image.map tispl.bin* \ + idbloader.img flash.bin flash.log defconfig keep-syms-lto.c \ + mkimage-out.spl.mkimage mkimage.spl.mkimage imx-boot.map \ + itb.fit.fit itb.fit.itb itb.map spl.map mkimage-out.rom.mkimage \ + mkimage.rom.mkimage mkimage-in-simple-bin* rom.map simple-bin* \ + idbloader-spi.img lib/efi_loader/helloworld_efi.S *.itb \ + Test* capsule*.*.efi-capsule capsule*.map mkimage.imx-boot.spl \ + mkimage.imx-boot.u-boot mkimage-out.imx-boot.spl mkimage-out.imx-boot.u-boot \ + imx9image* m33-oei-ddrfw* + +# Directories & files removed with 'make mrproper' +MRPROPER_DIRS += include/config include/generated spl tpl vpl \ + .tmp_objdiff doc/output include/asm + +# Remove include/asm symlink created by U-Boot before v2014.01 +MRPROPER_FILES += .config .config.old include/autoconf.mk* include/config.h \ + ctags etags tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ + drivers/video/fonts/*.S include/asm *imx8mimage* *imx8mcst* + +# 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)) + +PHONY += $(clean-dirs) clean archclean +$(clean-dirs): + $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) + +clean: $(clean-dirs) + $(call cmd,rmdirs) + $(call cmd,rmfiles) + @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ + \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ + -o -name '*.ko.*' -o -name '*.su' -o -name '*.pyc' \ + -o -name '*.dtb' -o -name '*.dtbo' \ + -o -name '*.dtb.S' -o -name '*.dtbo.S' \ + -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ + -o -name '*.lex.c' -o -name '*.tab.[ch]' \ + -o -name '*.asn1.[ch]' \ + -o -name '*.symtypes' -o -name 'modules.order' \ + -o -name modules.builtin -o -name '.tmp_*.o.*' \ + -o -name 'dsdt_generated.aml' -o -name 'dsdt_generated.asl.tmp' \ + -o -name 'dsdt_generated.c' \ + -o -name 'generated_defconfig' \ + -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \ + -type f -print | xargs rm -f + +# mrproper - Delete all generated files, including .config +# +mrproper: rm-dirs := $(wildcard $(MRPROPER_DIRS)) +mrproper: rm-files := $(wildcard $(MRPROPER_FILES)) +mrproper-dirs := $(addprefix _mrproper_,scripts) + +PHONY += $(mrproper-dirs) mrproper +$(mrproper-dirs): + $(Q)$(MAKE) $(clean)=$(patsubst _mrproper_%,%,$@) + +mrproper: clean $(mrproper-dirs) + $(call cmd,rmdirs) + $(call cmd,rmfiles) + @rm -f arch/*/include/asm/arch + +# distclean +# +PHONY += distclean + +distclean: mrproper + @find $(srctree) $(RCS_FIND_IGNORE) \ + \( -name '*.orig' -o -name '*.rej' -o -name '*~' \ + -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ + -o -name '.*.rej' -o -name '*%' -o -name 'core' \ + -o -name '*.pyc' \) \ + -type f -print | xargs rm -f + @rm -f boards.cfg CHANGELOG .binman_stamp + +# See doc/develop/python_cq.rst +PHONY += pylint pylint_err +PYLINT_BASE := scripts/pylint.base +PYLINT_CUR := pylint.cur +PYLINT_DIFF := pylint.diff +pylint: + $(Q)echo "Running pylint on all files (summary in $(PYLINT_CUR); output in pylint.out/)" + $(Q)mkdir -p pylint.out + $(Q)rm -f pylint.out/out* + $(Q)find tools test -name "*.py" \ + | xargs -n1 -P$(shell nproc 2>/dev/null || echo 1) \ + sh -c 'pylint --reports=y --exit-zero -f parseable --ignore-imports=yes $$@ > pylint.out/$$(echo $$@ | tr / _ | sed s/.py//)' _ + $(Q)rm -f $(PYLINT_CUR) + $(Q)( cd pylint.out; for f in *; do \ + sed -ne "s/Your code has been rated at \([-0-9.]*\).*/$$f \1/p" $$f; \ + done ) | sort > $(PYLINT_CUR) + $(Q)base=$$(mktemp) cur=$$(mktemp); cut -d' ' -f1 $(PYLINT_BASE) >$$base; \ + cut -d' ' -f1 $(PYLINT_CUR) >$$cur; \ + comm -3 $$base $$cur > $(PYLINT_DIFF); \ + if [ -s $(PYLINT_DIFF) ]; then \ + echo "Files have been added/removed. Try:\n\tcp $(PYLINT_CUR) $(PYLINT_BASE)"; \ + echo; \ + echo "Added files:"; \ + comm -13 $$base $$cur; \ + echo; \ + echo "Removed files:"; \ + comm -23 $$base $$cur; \ + false; \ + else \ + rm $$base $$cur $(PYLINT_DIFF); \ + fi + $(Q)bad=false; while read base_file base_val <&3 && read cur_file cur_val <&4; do \ + if awk "BEGIN {exit !($$cur_val < $$base_val)}"; then \ + echo "$$base_file: Score was $$base_val, now $$cur_val"; \ + bad=true; fi; \ + done 3<$(PYLINT_BASE) 4<$(PYLINT_CUR); \ + if $$bad; then \ + echo "Some files have regressed, please fix"; \ + false; \ + else \ + echo "No pylint regressions"; \ + fi + +# Check for errors only +pylint_err: + $(Q)pylint -E -j 0 --ignore-imports=yes \ + $(shell find tools test -name "*.py") + +backup: + F=`basename $(srctree)` ; cd .. ; \ + gtar --force-local -zcvf `LC_ALL=C date "+$$F-%Y-%m-%d-%T.tar.gz"` $$F + +PHONY += _pip pip pip_release + +pip_release: PIP_ARGS="--real" +pip_test: PIP_ARGS="" +pip: PIP_ARGS="-n" + +pip pip_test pip_release: _pip + +_pip: + scripts/make_pip.sh u_boot_pylib ${PIP_ARGS} + scripts/make_pip.sh patman ${PIP_ARGS} + scripts/make_pip.sh buildman ${PIP_ARGS} + scripts/make_pip.sh dtoc ${PIP_ARGS} + scripts/make_pip.sh binman ${PIP_ARGS} + help: - @echo "Targets:" - @echo " all: Build all device tree binaries for all architectures" - @echo " clean: Clean all generated files" - @echo "" - @echo " all_<ARCH>: Build all device tree binaries for <ARCH>" - @echo " clean_<ARCH>: Clean all generated files for <ARCH>" - @echo "" - @echo " src/<ARCH>/<DTS>.dtb Build a single device tree binary" - @echo "" - @echo "Architectures: $(ALL_ARCHES)" + @echo 'Cleaning targets:' + @echo ' clean - Remove most generated files but keep the config' + @echo ' mrproper - Remove all generated files + config + various backup files' + @echo ' distclean - mrproper + remove editor backup and patch files' + @echo '' + @echo 'Configuration targets:' + @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help + @echo '' + @echo 'Test targets:' + @echo '' + @echo ' check - Run all automated tests that use sandbox' + @echo ' pcheck - Run quick automated tests in parallel' + @echo ' qcheck - Run quick automated tests that use sandbox' + @echo ' tcheck - Run quick automated tests on tools' + @echo ' pylint - Run pylint on all Python files' + @echo '' + @echo 'Other generic targets:' + @echo ' all - Build all necessary images depending on configuration' + @echo ' tests - Build U-Boot for sandbox and run tests' + @echo '* u-boot - Build the bare u-boot' + @echo ' dir/ - Build all files in dir and below' + @echo ' dir/file.[oisS] - Build specified target only' + @echo ' dir/file.lst - Build specified mixed source/assembly target only' + @echo ' (requires a recent binutils and recent build (System.map))' + @echo ' tags/ctags - Generate ctags file for editors' + @echo ' etags - Generate etags file for editors' + @echo ' cscope - Generate cscope index' + @echo ' ubootrelease - Output the release version string (use with make -s)' + @echo ' ubootversion - Output the version stored in Makefile (use with make -s)' + @echo " cfg - Don't build, just create the .cfg files" + @echo " envtools - Build only the target-side environment tools" + @echo '' + @echo 'PyPi / pip targets:' + @echo ' pip - Check building of PyPi packages' + @echo ' pip_test - Build PyPi pakages and upload to test server' + @echo ' pip_release - Build PyPi pakages and upload to release server' + @echo '' + @echo 'Static analysers' + @echo ' checkstack - Generate a list of stack hogs' + @echo ' coccicheck - Execute static code analysis with Coccinelle' + @echo '' + @echo 'Documentation targets:' + @$(MAKE) -f $(srctree)/doc/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' + +tests check: + $(srctree)/test/run + +pcheck: + $(srctree)/test/run parallel + +qcheck: + $(srctree)/test/run quick + +tcheck: + $(srctree)/test/run tools + +# Documentation targets +# --------------------------------------------------------------------------- +DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \ + linkcheckdocs dochelp refcheckdocs texinfodocs infodocs +PHONY += $(DOC_TARGETS) +$(DOC_TARGETS): scripts_basic FORCE + $(Q)PYTHONPATH=$(srctree)/test/py/tests:$(srctree)/test/py \ + $(MAKE) $(build)=doc $@ + +PHONY += checkstack ubootrelease ubootversion + +checkstack: + $(OBJDUMP) -d u-boot $$(find . -name u-boot-spl) | \ + $(PERL) $(src)/scripts/checkstack.pl $(ARCH) + +ubootversion: + @echo $(UBOOTVERSION) + +ubootrelease: + @$(filechk_uboot.release) + +# Clear a bunch of variables before executing the submake + +ifeq ($(quiet),silent_) +tools_silent=s +endif + +tools/: FORCE + $(Q)mkdir -p $(objtree)/tools + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ + +tools/%: FORCE + $(Q)mkdir -p $(objtree)/tools + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS="$(tools_silent) $(filter --j% -j,$(MAKEFLAGS))" O=$(abspath $(objtree)) subdir=tools -C $(src)/tools/ $* + +# Single targets +# --------------------------------------------------------------------------- +# Single targets are compatible with: +# - build with mixed source and output +# - build with separate output dir 'make O=...' +# - external modules +# +# target-dir => where to store outputfile +# build-dir => directory in kernel source tree to use + +build-target = $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD)/)$@ +build-dir = $(patsubst %/,%,$(dir $(build-target))) + +%.i: prepare FORCE + $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) +%.ll: prepare FORCE + $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) +%.lst: prepare FORCE + $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) +%.o: prepare FORCE + $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) +%.s: prepare FORCE + $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) +%.symtypes: prepare FORCE + $(Q)$(MAKE) $(build)=$(build-dir) $(build-target) +%.ko: %.o + $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost + +# Modules +PHONY += / +/: ./ + +# Make sure the latest headers are built for Documentation +Documentation/ samples/: headers_install +%/: prepare FORCE + $(Q)$(MAKE) KBUILD_MODULES=1 $(build)=$(build-dir) + +quiet_cmd_genenv = GENENV $@ +cmd_genenv = \ + $(objtree)/tools/printinitialenv | \ + sed -e '/^\s*$$/d' | \ + sort -t '=' -k 1,1 -s -o $@ + +u-boot-initial-env: scripts_basic $(version_h) $(env_h) include/config.h FORCE + $(Q)$(MAKE) $(build)=tools $(objtree)/tools/printinitialenv + $(call if_changed,genenv) + +# Consistency checks +# --------------------------------------------------------------------------- + +PHONY += coccicheck + +coccicheck: + $(Q)$(CONFIG_SHELL) $(srctree)/scripts/$@ + +# 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) + +# Run depmod only if we have System.map and depmod is executable +quiet_cmd_depmod = DEPMOD $(KERNELRELEASE) + cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \ + $(KERNELRELEASE) + +# Create temporary dir for module support files +# clean it up only when building all modules +cmd_crmodverdir = $(Q)mkdir -p $(MODVERDIR) \ + $(if $(KBUILD_MODULES),; rm -f $(MODVERDIR)/*) + +# read saved command lines for existing targets +existing-targets := $(wildcard $(sort $(targets))) + +-include $(foreach f,$(existing-targets),$(dir $(f)).$(notdir $(f)).cmd) + +endif # ifeq ($(config-targets),1) +endif # ifeq ($(mixed-targets),1) +endif # need-sub-make 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) |