-#
-# SPDX-License-Identifier: GPL-2.0+
-#
+# SPDX-License-Identifier: GPL-2.0+
-VERSION = 2017
+VERSION = 2018
PATCHLEVEL = 11
SUBLEVEL =
-EXTRAVERSION =
+EXTRAVERSION = -rc1
NAME =
# *DOCUMENTATION*
$(if $(CONFIG_TOOLS_DEBUG),-g)
HOSTCXXFLAGS = -O2
+# With the move to GCC 6, we have implicitly upgraded our language
+# standard to GNU11 (see https://gcc.gnu.org/gcc-5/porting_to.html).
+# Some Linux distributions (including RHEL7, SLES13, Debian 8) still
+# have older compilers as their default, so we make it explicit for
+# these that our host tools are GNU11 (i.e. C11 w/ GNU extensions).
+CSTD_FLAG := -std=gnu11
+ifeq ($(HOSTOS),linux)
+HOSTCFLAGS += $(CSTD_FLAG)
+endif
+
ifeq ($(HOSTOS),cygwin)
HOSTCFLAGS += -ansi
endif
STRIP = $(CROSS_COMPILE)strip
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJDUMP = $(CROSS_COMPILE)objdump
+LEX = flex
+YACC = bison
AWK = awk
PERL = perl
PYTHON ?= python
+PYTHON2 = python2
+PYTHON3 = python3
DTC ?= $(objtree)/scripts/dtc/dtc
CHECK = sparse
KBUILD_CFLAGS := -Wall -Wstrict-prototypes \
-Wno-format-security \
- -fno-builtin -ffreestanding
-KBUILD_CFLAGS += -fshort-wchar
+ -fno-builtin -ffreestanding $(CSTD_FLAG)
+KBUILD_CFLAGS += -fshort-wchar -fno-strict-aliasing
KBUILD_AFLAGS := -D__ASSEMBLY__
+# Don't generate position independent code
+KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
+KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
+
# 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 ARCH CPU BOARD VENDOR SOC CPUDIR BOARDDIR
export CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLDFLAGS CROSS_COMPILE AS LD CC
export CPP AR NM LDR STRIP OBJCOPY OBJDUMP
-export MAKE AWK PERL PYTHON
+export MAKE LEX YACC AWK PERL PYTHON PYTHON2 PYTHON3
export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS DTC DTC_FLAGS
export KBUILD_CPPFLAGS NOSTDINC_FLAGS UBOOTINCLUDE OBJCOPYFLAGS LDFLAGS
version_h := include/generated/version_autogenerated.h
timestamp_h := include/generated/timestamp_autogenerated.h
+defaultenv_h := include/generated/defaultenv_autogenerated.h
no-dot-config-targets := clean clobber mrproper distclean \
help %docs check% coccicheck \
# if auto.conf.cmd is missing then we are probably in a cleaned tree so
# we execute the config step to be sure to catch updated Kconfig files
include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
- $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
+ $(Q)$(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 || \
KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector)
KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks)
+# change __FILE__ to the relative path from the srctree
+KBUILD_CFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
+
KBUILD_CFLAGS += -g
# $(KBUILD_AFLAGS) sets -g, which causes gcc to pass a suitable -g<format>
# option to the assembler.
KBUILD_AFLAGS += -g
# Report stack usage if supported
+# ARC tools based on GCC 7.1 has an issue with stack usage
+# with naked functions, see commit message for more details
+ifndef CONFIG_ARC
ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-stack-usage.sh $(CC)),y)
KBUILD_CFLAGS += -fstack-usage
endif
+endif
KBUILD_CFLAGS += $(call cc-option,-Wno-format-nonliteral)
+ifeq ($(cc-name),clang)
+KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
+KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
+KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
+KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
+KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
+endif
# turn jbsr into jsr for m68k
ifeq ($(ARCH),m68k)
libs-y += drivers/gpio/
libs-y += drivers/i2c/
libs-y += drivers/mtd/
-libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/
+libs-$(CONFIG_CMD_NAND) += drivers/mtd/nand/raw/
libs-y += drivers/mtd/onenand/
libs-$(CONFIG_CMD_UBI) += drivers/mtd/ubi/
libs-y += drivers/mtd/spi/
PLATFORM_LIBGCC := -L $(shell dirname `$(CC) $(c_flags) -print-libgcc-file-name`) -lgcc
endif
PLATFORM_LIBS += $(PLATFORM_LIBGCC)
+
+ifdef CONFIG_CC_COVERAGE
+KBUILD_CFLAGS += --coverage
+PLATFORM_LIBGCC += -lgcov
+endif
+
export PLATFORM_LIBS
export PLATFORM_LIBGCC
ifeq ($(CONFIG_MX6)$(CONFIG_SECURE_BOOT), yy)
ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
else
+ifeq ($(CONFIG_MX7)$(CONFIG_SECURE_BOOT), yy)
+ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot-ivt.img
+else
ALL-$(CONFIG_SPL_FRAMEWORK) += u-boot.img
endif
+endif
ALL-$(CONFIG_TPL) += tpl/u-boot-tpl.bin
ALL-$(CONFIG_OF_SEPARATE) += u-boot.dtb
ifeq ($(CONFIG_SPL_FRAMEWORK),y)
ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
endif
+# Build a combined spl + u-boot image for sunxi
+ifeq ($(CONFIG_ARCH_SUNXI)$(CONFIG_SPL),yy)
+ALL-y += u-boot-sunxi-with-spl.bin
+endif
+
# enable combined SPL/u-boot/dtb rules for tegra
ifeq ($(CONFIG_TEGRA)$(CONFIG_SPL),yy)
ALL-y += u-boot-tegra.bin u-boot-nodtb-tegra.bin
ALL-y += $(CONFIG_BUILD_TARGET:"%"=%)
endif
+ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),)
+ALL-y += init_sp_bss_offset_check
+endif
+
+ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
+ALL-y += u-boot-with-dtb.bin
+endif
+
LDFLAGS_u-boot += $(LDFLAGS_FINAL)
# Avoid 'Not enough room for program headers' error on binutils 2.28 onwards.
LDFLAGS_u-boot += $(call ld-option, --no-dynamic-linker)
-ifneq ($(CONFIG_SYS_TEXT_BASE),)
+ifeq ($(CONFIG_ARC)$(CONFIG_NIOS2)$(CONFIG_X86)$(CONFIG_XTENSA),)
LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
endif
quiet_cmd_mkimage = MKIMAGE $@
cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
- $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
+ >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
quiet_cmd_mkfitimage = MKIMAGE $@
cmd_mkfitimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -f $(U_BOOT_ITS) -E $@ \
- $(if $(KBUILD_VERBOSE:1=), >$(MKIMAGEOUTPUT))
+ >$(MKIMAGEOUTPUT) $(if $(KBUILD_VERBOSE:0=), && cat $(MKIMAGEOUTPUT))
quiet_cmd_cat = CAT $@
cmd_cat = cat $(filter-out $(PHONY), $^) > $@
u-boot.hex u-boot.srec: u-boot FORCE
$(call if_changed,objcopy)
+OBJCOPYFLAGS_u-boot-elf.srec := $(OBJCOPYFLAGS_u-boot.srec)
+
+u-boot-elf.srec: u-boot.elf FORCE
+ $(call if_changed,objcopy)
+
+OBJCOPYFLAGS_u-boot-spl.srec = $(OBJCOPYFLAGS_u-boot.srec)
+
+spl/u-boot-spl.srec: spl/u-boot-spl FORCE
+ $(call if_changed,objcopy)
+
OBJCOPYFLAGS_u-boot-nodtb.bin := -O binary \
- $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec)
+ $(if $(CONFIG_X86_16BIT_INIT),-R .start16 -R .resetvec) \
+ $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR),-R .bootpg -R .resetvec)
+
+OBJCOPYFLAGS_u-boot-spl.hex = $(OBJCOPYFLAGS_u-boot.hex)
+
+spl/u-boot-spl.hex: spl/u-boot-spl FORCE
+ $(call if_changed,objcopy)
binary_size_check: u-boot-nodtb.bin FORCE
@file_size=$(shell wc -c u-boot-nodtb.bin | awk '{print $$1}') ; \
fi \
fi
+ifneq ($(CONFIG_SYS_INIT_SP_BSS_OFFSET),)
+ifneq ($(CONFIG_SYS_MALLOC_F_LEN),)
+subtract_sys_malloc_f_len = space=$$(($${space} - $(CONFIG_SYS_MALLOC_F_LEN)))
+else
+subtract_sys_malloc_f_len = true
+endif
+# The 1/4 margin below is somewhat arbitrary. The likely initial SP usage is
+# so low that the DTB could probably use 90%+ of the available space, for
+# current values of CONFIG_SYS_INIT_SP_BSS_OFFSET at least. However, let's be
+# safe for now and tweak this later if space becomes tight.
+# A rejected alternative would be to check that some absolute minimum stack
+# space was available. However, since CONFIG_SYS_INIT_SP_BSS_OFFSET is
+# deliberately build-specific, to take account of build-to-build stack usage
+# differences due to different feature sets, there is no common absolute value
+# to check against.
+init_sp_bss_offset_check: u-boot.dtb FORCE
+ @dtb_size=$(shell wc -c u-boot.dtb | awk '{print $$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
+
u-boot-nodtb.bin: u-boot FORCE
$(call if_changed,objcopy)
$(call DO_STATIC_RELA,$<,$@,$(CONFIG_SYS_TEXT_BASE))
CONFIG_SYS_UBOOT_START := 0
endif
-# Create a file containing the configuration options the image was built with
-quiet_cmd_cpp_cfg = CFG $@
-cmd_cpp_cfg = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) -ansi \
- -DDO_DEPS_ONLY -D__ASSEMBLY__ -x assembler-with-cpp -P -dM -E -o $@ $<
-
# Boards with more complex image requirments can provide an .its source file
# or a generator script
ifneq ($(CONFIG_SPL_FIT_SOURCE),"")
else
ifneq ($(CONFIG_SPL_FIT_GENERATOR),"")
U_BOOT_ITS := u-boot.its
-$(U_BOOT_ITS): FORCE
+ifeq ($(CONFIG_SPL_FIT_GENERATOR),"arch/arm/mach-rockchip/make_fit_atf.py")
+U_BOOT_ITS_DEPS += u-boot
+endif
+$(U_BOOT_ITS): $(U_BOOT_ITS_DEPS) FORCE
$(srctree)/$(CONFIG_SPL_FIT_GENERATOR) \
$(patsubst %,arch/$(ARCH)/dts/%.dtb,$(subst ",,$(CONFIG_OF_LIST))) > $@
endif
u-boot.itb: u-boot-nodtb.bin dts/dt.dtb $(U_BOOT_ITS) FORCE
$(call if_changed,mkfitimage)
+ $(BOARD_SIZE_CHECK)
u-boot-spl.kwb: u-boot.img spl/u-boot-spl.bin FORCE
$(call if_changed,mkimage)
u-boot.dis: u-boot
$(OBJDUMP) -d $< > $@
-ifdef CONFIG_TPL
-SPL_PAYLOAD := tpl/u-boot-with-tpl.bin
+ifneq ($(CONFIG_SPL_PAYLOAD),)
+SPL_PAYLOAD := $(CONFIG_SPL_PAYLOAD:"%"=%)
else
SPL_PAYLOAD := u-boot.bin
endif
$(call if_changed,socboot)
endif
+ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
+u-boot-with-dtb.bin: u-boot.bin u-boot.dtb \
+ $(if $(CONFIG_MPC85XX_HAVE_RESET_VECTOR), u-boot-br.bin) FORCE
+ $(call if_changed,binman)
+
+ifeq ($(CONFIG_MPC85XX_HAVE_RESET_VECTOR),y)
+OBJCOPYFLAGS_u-boot-br.bin := -O binary -j .bootpg -j .resetvec
+u-boot-br.bin: u-boot FORCE
+ $(call if_changed,objcopy)
+endif
+endif
+
# x86 uses a large ROM. We fill it with 0xff, put the 16-bit stuff (including
# reset vector) at the top, Intel ME descriptor at the bottom, and U-Boot in
# the middle. This is handled by binman based on an image description in the
endif
ifneq ($(CONFIG_ARCH_SUNXI),)
+ifeq ($(CONFIG_ARM64),)
u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.img u-boot.dtb FORCE
$(call if_changed,binman)
+else
+u-boot-sunxi-with-spl.bin: spl/sunxi-spl.bin u-boot.itb FORCE
+ $(call if_changed,cat)
+endif
endif
ifneq ($(CONFIG_TEGRA),)
+ifneq ($(CONFIG_BINMAN),)
+# Makes u-boot-dtb-tegra.bin u-boot-tegra.bin u-boot-nodtb-tegra.bin
+%-dtb-tegra.bin %-tegra.bin %-nodtb-tegra.bin: \
+ spl/%-spl %.bin FORCE
+ $(call if_changed,binman)
+else
OBJCOPYFLAGS_u-boot-nodtb-tegra.bin = -O binary --pad-to=$(CONFIG_SYS_TEXT_BASE)
u-boot-nodtb-tegra.bin: spl/u-boot-spl u-boot-nodtb.bin FORCE
$(call if_changed,pad_cat)
u-boot-dtb-tegra.bin: u-boot-tegra.bin FORCE
$(call if_changed,copy)
+endif # binman
endif
OBJCOPYFLAGS_u-boot-app.efi := $(OBJCOPYFLAGS_EFI)
ifeq ($(ARCH),arm)
UBOOT_BINLOAD := u-boot.img
else
+ifeq ($(CONFIG_MPC85xx)$(CONFIG_OF_SEPARATE),yy)
+UBOOT_BINLOAD := u-boot-with-dtb.bin
+else
UBOOT_BINLOAD := u-boot.bin
endif
+endif
OBJCOPYFLAGS_u-boot-with-spl-pbl.bin = -I binary -O binary --pad-to=$(CONFIG_SPL_PAD_TO) \
--gap-fill=0xff
$(call cmd,u-boot__) common/system_map.o
endif
+ifeq ($(CONFIG_RISCV),y)
+ @tools/prelink-riscv $@ 0
+endif
+
quiet_cmd_sym ?= SYM $@
cmd_sym ?= $(OBJDUMP) -t $< > $@
u-boot.sym: u-boot FORCE
@/bin/false
endif
+ifeq ($(CONFIG_USE_DEFAULT_ENV_FILE),y)
+prepare1: $(defaultenv_h)
+endif
+
archprepare: prepare1 scripts_basic
prepare0: archprepare FORCE
fi)
endef
+define filechk_defaultenv.h
+ (grep -v '^#' | \
+ grep -v '^$$' | \
+ tr '\n' '\0' | \
+ sed -e 's/\\\x0/\n/' | \
+ xxd -i ; echo ", 0x00" ; )
+endef
+
$(version_h): include/config/uboot.release FORCE
$(call filechk,version.h)
$(timestamp_h): $(srctree)/Makefile FORCE
$(call filechk,timestamp.h)
+$(defaultenv_h): $(CONFIG_DEFAULT_ENV_FILE:"%"=%) FORCE
+ $(call filechk,defaultenv.h)
+
# ---------------------------------------------------------------------------
quiet_cmd_cpp_lds = LDS $@
cmd_cpp_lds = $(CPP) -Wp,-MD,$(depfile) $(cpp_flags) $(LDPPFLAGS) \
false; \
fi
-envtools: scripts_basic
+envtools: scripts_basic $(version_h) $(timestamp_h)
$(Q)$(MAKE) $(build)=tools/env
tools-only: scripts_basic $(version_h) $(timestamp_h)
clean-dirs := $(foreach f,$(u-boot-alldirs),$(if $(wildcard $(srctree)/$f/Makefile),$f))
-clean-dirs := $(addprefix _clean_, $(clean-dirs) doc/DocBook)
+clean-dirs := $(addprefix _clean_, $(clean-dirs))
PHONY += $(clean-dirs) clean archclean
$(clean-dirs):
$(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@)
-# TODO: Do not use *.cfgtmp
clean: $(clean-dirs)
$(call cmd,rmdirs)
$(call cmd,rmfiles)
@find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \
\( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \
- -o -name '*.ko.*' -o -name '*.su' -o -name '*.cfgtmp' \
+ -o -name '*.ko.*' -o -name '*.su' \
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
+ -o -name '*.lex.c' -o -name '*.tab.[ch]' \
-o -name '*.symtypes' -o -name 'modules.order' \
-o -name modules.builtin -o -name '.tmp_*.o.*' \
-o -name 'dsdt.aml' -o -name 'dsdt.asl.tmp' -o -name 'dsdt.c' \
- -o -name '*.gcno' \) -type f -print | xargs rm -f
+ -o -name '*.efi' -o -name '*.gcno' -o -name '*.so' \) \
+ -type f -print | xargs rm -f
# mrproper - Delete all generated files, including .config
#
@echo ' coccicheck - Execute static code analysis with Coccinelle'
@echo ''
@echo 'Documentation targets:'
- @$(MAKE) -f $(srctree)/doc/DocBook/Makefile dochelp
+ @$(MAKE) -f $(srctree)/Documentation/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'
# Documentation targets
# ---------------------------------------------------------------------------
-%docs: scripts_basic FORCE
- $(Q)$(MAKE) $(build)=scripts build_docproc
- $(Q)$(MAKE) $(build)=doc/DocBook $@
+DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
+ linkcheckdocs dochelp refcheckdocs
+PHONY += $(DOC_TARGETS)
+$(DOC_TARGETS): scripts_basic FORCE
+ $(Q)$(MAKE) $(build)=Documentation $@
endif #ifeq ($(config-targets),1)
endif #ifeq ($(mixed-targets),1)