|
|
|
|
@@ -5,13 +5,16 @@ SUBLEVEL = 30
|
|
|
|
|
EXTRAVERSION =
|
|
|
|
|
NAME = Hurr durr I'ma ninja sloth
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# *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.
|
|
|
|
|
|
|
|
|
|
ifeq ($(filter undefine,$(.FEATURES)),)
|
|
|
|
|
$(error GNU Make >= 3.82 is required. Your Make version is $(MAKE_VERSION))
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
$(if $(filter __%, $(MAKECMDGOALS)), \
|
|
|
|
|
$(error targets prefixed with '__' are only for internal use))
|
|
|
|
|
|
|
|
|
|
@@ -35,6 +38,10 @@ __all:
|
|
|
|
|
# descending is started. They are now explicitly listed as the
|
|
|
|
|
# prepare rule.
|
|
|
|
|
|
|
|
|
|
this-makefile := $(lastword $(MAKEFILE_LIST))
|
|
|
|
|
export abs_srctree := $(realpath $(dir $(this-makefile)))
|
|
|
|
|
export abs_objtree := $(CURDIR)
|
|
|
|
|
|
|
|
|
|
ifneq ($(sub_make_done),1)
|
|
|
|
|
|
|
|
|
|
# Do not use make's built-in rules and variables
|
|
|
|
|
@@ -53,26 +60,21 @@ unexport GREP_OPTIONS
|
|
|
|
|
# Beautify output
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
#
|
|
|
|
|
# Normally, we echo the whole command before executing it. By making
|
|
|
|
|
# that echo $($(quiet)$(cmd)), we now have the possibility to set
|
|
|
|
|
# $(quiet) to choose other forms of output instead, e.g.
|
|
|
|
|
# Most of build commands in Kbuild start with "cmd_". You can optionally define
|
|
|
|
|
# "quiet_cmd_*". If defined, the short log is printed. Otherwise, no log from
|
|
|
|
|
# that command is printed by default.
|
|
|
|
|
#
|
|
|
|
|
# quiet_cmd_cc_o_c = Compiling $(RELDIR)/$@
|
|
|
|
|
# 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 "silent_", nothing will be printed at all, since
|
|
|
|
|
# the variable $(silent_cmd_cc_o_c) doesn't exist.
|
|
|
|
|
# e.g.)
|
|
|
|
|
# quiet_cmd_depmod = DEPMOD $(MODLIB)
|
|
|
|
|
# cmd_depmod = $(srctree)/scripts/depmod.sh $(DEPMOD) $(KERNELRELEASE)
|
|
|
|
|
#
|
|
|
|
|
# A simple variant is to prefix commands with $(Q) - that's useful
|
|
|
|
|
# for commands that shall be hidden in non-verbose mode.
|
|
|
|
|
#
|
|
|
|
|
# $(Q)ln $@ :<
|
|
|
|
|
# $(Q)$(MAKE) $(build)=scripts/basic
|
|
|
|
|
#
|
|
|
|
|
# If KBUILD_VERBOSE equals 0 then the above command will be hidden.
|
|
|
|
|
# If KBUILD_VERBOSE equals 1 then the above command is displayed.
|
|
|
|
|
# If KBUILD_VERBOSE equals 2 then give the reason why each target is rebuilt.
|
|
|
|
|
# If KBUILD_VERBOSE contains 1, the whole command is echoed.
|
|
|
|
|
# If KBUILD_VERBOSE contains 2, the reason for rebuilding is printed.
|
|
|
|
|
#
|
|
|
|
|
# To put more focus on warnings, be less verbose as default
|
|
|
|
|
# Use 'make V=1' to see the full commands
|
|
|
|
|
@@ -80,16 +82,13 @@ unexport GREP_OPTIONS
|
|
|
|
|
ifeq ("$(origin V)", "command line")
|
|
|
|
|
KBUILD_VERBOSE = $(V)
|
|
|
|
|
endif
|
|
|
|
|
ifndef KBUILD_VERBOSE
|
|
|
|
|
KBUILD_VERBOSE = 0
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifeq ($(KBUILD_VERBOSE),1)
|
|
|
|
|
quiet = quiet_
|
|
|
|
|
Q = @
|
|
|
|
|
|
|
|
|
|
ifneq ($(findstring 1, $(KBUILD_VERBOSE)),)
|
|
|
|
|
quiet =
|
|
|
|
|
Q =
|
|
|
|
|
else
|
|
|
|
|
quiet=quiet_
|
|
|
|
|
Q = @
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
# If the user is running make -s (silent mode), suppress echoing of
|
|
|
|
|
@@ -97,14 +96,14 @@ endif
|
|
|
|
|
# make-4.0 (and later) keep single letter options in the 1st word of MAKEFLAGS.
|
|
|
|
|
|
|
|
|
|
ifeq ($(filter 3.%,$(MAKE_VERSION)),)
|
|
|
|
|
silence:=$(findstring s,$(firstword -$(MAKEFLAGS)))
|
|
|
|
|
short-opts := $(firstword -$(MAKEFLAGS))
|
|
|
|
|
else
|
|
|
|
|
silence:=$(findstring s,$(filter-out --%,$(MAKEFLAGS)))
|
|
|
|
|
short-opts := $(filter-out --%,$(MAKEFLAGS))
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifeq ($(silence),s)
|
|
|
|
|
ifneq ($(findstring s,$(short-opts)),)
|
|
|
|
|
quiet=silent_
|
|
|
|
|
KBUILD_VERBOSE = 0
|
|
|
|
|
override KBUILD_VERBOSE :=
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
export quiet Q KBUILD_VERBOSE
|
|
|
|
|
@@ -208,32 +207,12 @@ $(if $(abs_objtree),, \
|
|
|
|
|
|
|
|
|
|
# $(realpath ...) resolves symlinks
|
|
|
|
|
abs_objtree := $(realpath $(abs_objtree))
|
|
|
|
|
else
|
|
|
|
|
abs_objtree := $(CURDIR)
|
|
|
|
|
endif # ifneq ($(KBUILD_OUTPUT),)
|
|
|
|
|
|
|
|
|
|
ifeq ($(abs_objtree),$(CURDIR))
|
|
|
|
|
# Suppress "Entering directory ..." unless we are changing the work directory.
|
|
|
|
|
MAKEFLAGS += --no-print-directory
|
|
|
|
|
else
|
|
|
|
|
need-sub-make := 1
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
this-makefile := $(lastword $(MAKEFILE_LIST))
|
|
|
|
|
abs_srctree := $(realpath $(dir $(this-makefile)))
|
|
|
|
|
|
|
|
|
|
ifneq ($(words $(subst :, ,$(abs_srctree))), 1)
|
|
|
|
|
$(error source directory cannot contain spaces or colons)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifneq ($(abs_srctree),$(abs_objtree))
|
|
|
|
|
# Look for make include files relative to root of kernel src
|
|
|
|
|
#
|
|
|
|
|
# --included-dir is added for backward compatibility, but you should not rely on
|
|
|
|
|
# it. Please add $(srctree)/ prefix to include Makefiles in the source tree.
|
|
|
|
|
MAKEFLAGS += --include-dir=$(abs_srctree)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
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.
|
|
|
|
|
@@ -242,9 +221,25 @@ need-sub-make := 1
|
|
|
|
|
$(this-makefile): ;
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
export abs_srctree abs_objtree
|
|
|
|
|
export sub_make_done := 1
|
|
|
|
|
|
|
|
|
|
endif # sub_make_done
|
|
|
|
|
|
|
|
|
|
ifeq ($(abs_objtree),$(CURDIR))
|
|
|
|
|
# Suppress "Entering directory ..." if we are at the final work directory.
|
|
|
|
|
no-print-directory := --no-print-directory
|
|
|
|
|
else
|
|
|
|
|
# Recursion to show "Entering directory ..."
|
|
|
|
|
need-sub-make := 1
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifeq ($(filter --no-print-directory, $(MAKEFLAGS)),)
|
|
|
|
|
# If --no-print-directory is unset, recurse once again to set it.
|
|
|
|
|
# You may end up recursing into __sub-make twice. This is needed due to the
|
|
|
|
|
# behavior change in GNU Make 4.4.1.
|
|
|
|
|
need-sub-make := 1
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifeq ($(need-sub-make),1)
|
|
|
|
|
|
|
|
|
|
PHONY += $(MAKECMDGOALS) __sub-make
|
|
|
|
|
@@ -254,18 +249,12 @@ $(filter-out $(this-makefile), $(MAKECMDGOALS)) __all: __sub-make
|
|
|
|
|
|
|
|
|
|
# Invoke a second make in the output directory, passing relevant variables
|
|
|
|
|
__sub-make:
|
|
|
|
|
$(Q)$(MAKE) -C $(abs_objtree) -f $(abs_srctree)/Makefile $(MAKECMDGOALS)
|
|
|
|
|
$(Q)$(MAKE) $(no-print-directory) -C $(abs_objtree) \
|
|
|
|
|
-f $(abs_srctree)/Makefile $(MAKECMDGOALS)
|
|
|
|
|
|
|
|
|
|
endif # need-sub-make
|
|
|
|
|
endif # sub_make_done
|
|
|
|
|
else # need-sub-make
|
|
|
|
|
|
|
|
|
|
# We process the rest of the Makefile if this is the final invocation of make
|
|
|
|
|
ifeq ($(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
|
|
|
|
|
|
|
|
|
|
ifeq ($(abs_srctree),$(abs_objtree))
|
|
|
|
|
# building in the source tree
|
|
|
|
|
@@ -309,10 +298,10 @@ no-dot-config-targets := $(clean-targets) \
|
|
|
|
|
# Installation targets should not require compiler. Unfortunately, vdso_install
|
|
|
|
|
# is an exception where build artifacts may be updated. This must be fixed.
|
|
|
|
|
no-compiler-targets := $(no-dot-config-targets) install dtbs_install \
|
|
|
|
|
headers_install modules_install kernelrelease image_name
|
|
|
|
|
no-sync-config-targets := $(no-dot-config-targets) %install kernelrelease \
|
|
|
|
|
headers_install modules_install modules_sign kernelrelease image_name
|
|
|
|
|
no-sync-config-targets := $(no-dot-config-targets) %install modules_sign kernelrelease \
|
|
|
|
|
image_name
|
|
|
|
|
single-targets := %.a %.i %.rsi %.ko %.lds %.ll %.lst %.mod %.o %.s %.symtypes %/
|
|
|
|
|
single-targets := %.a %.i %.ko %.lds %.ll %.lst %.mod %.o %.rsi %.s %.symtypes %/
|
|
|
|
|
|
|
|
|
|
config-build :=
|
|
|
|
|
mixed-build :=
|
|
|
|
|
@@ -395,7 +384,7 @@ else # !mixed-build
|
|
|
|
|
include $(srctree)/scripts/Kbuild.include
|
|
|
|
|
|
|
|
|
|
# Read KERNELRELEASE from include/config/kernel.release (if it exists)
|
|
|
|
|
KERNELRELEASE = $(shell cat include/config/kernel.release 2> /dev/null)
|
|
|
|
|
KERNELRELEASE = $(call read-file, include/config/kernel.release)
|
|
|
|
|
KERNELVERSION = $(VERSION)$(if $(PATCHLEVEL),.$(PATCHLEVEL)$(if $(SUBLEVEL),.$(SUBLEVEL)))$(EXTRAVERSION)
|
|
|
|
|
export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION
|
|
|
|
|
|
|
|
|
|
@@ -478,8 +467,7 @@ HOSTRUSTC = rustc
|
|
|
|
|
HOSTPKG_CONFIG = pkg-config
|
|
|
|
|
|
|
|
|
|
KBUILD_USERHOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes \
|
|
|
|
|
-O2 -fomit-frame-pointer -std=gnu11 \
|
|
|
|
|
-Wdeclaration-after-statement
|
|
|
|
|
-O2 -fomit-frame-pointer -std=gnu11
|
|
|
|
|
KBUILD_USERCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(USERCFLAGS)
|
|
|
|
|
KBUILD_USERLDFLAGS := $(USERLDFLAGS)
|
|
|
|
|
|
|
|
|
|
@@ -497,6 +485,7 @@ export rust_common_flags := --edition=2021 \
|
|
|
|
|
-Dclippy::let_unit_value -Dclippy::mut_mut \
|
|
|
|
|
-Dclippy::needless_bitwise_bool \
|
|
|
|
|
-Dclippy::needless_continue \
|
|
|
|
|
-Dclippy::no_mangle_with_rust_abi \
|
|
|
|
|
-Wclippy::dbg_macro
|
|
|
|
|
|
|
|
|
|
KBUILD_HOSTCFLAGS := $(KBUILD_USERHOSTCFLAGS) $(HOST_LFS_CFLAGS) $(HOSTCFLAGS)
|
|
|
|
|
@@ -539,7 +528,6 @@ LEX = flex
|
|
|
|
|
YACC = bison
|
|
|
|
|
AWK = awk
|
|
|
|
|
INSTALLKERNEL := installkernel
|
|
|
|
|
DEPMOD = depmod
|
|
|
|
|
PERL = perl
|
|
|
|
|
PYTHON3 = python3
|
|
|
|
|
CHECK = sparse
|
|
|
|
|
@@ -585,14 +573,17 @@ LINUXINCLUDE := \
|
|
|
|
|
$(USERINCLUDE)
|
|
|
|
|
|
|
|
|
|
KBUILD_AFLAGS := -D__ASSEMBLY__ -fno-PIE
|
|
|
|
|
KBUILD_CFLAGS := -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs \
|
|
|
|
|
-fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE \
|
|
|
|
|
-Werror=implicit-function-declaration -Werror=implicit-int \
|
|
|
|
|
-Werror=return-type -Wno-format-security \
|
|
|
|
|
-std=gnu11
|
|
|
|
|
|
|
|
|
|
KBUILD_CFLAGS :=
|
|
|
|
|
KBUILD_CFLAGS += -std=gnu11
|
|
|
|
|
KBUILD_CFLAGS += -fshort-wchar
|
|
|
|
|
KBUILD_CFLAGS += -funsigned-char
|
|
|
|
|
KBUILD_CFLAGS += -fno-common
|
|
|
|
|
KBUILD_CFLAGS += -fno-PIE
|
|
|
|
|
KBUILD_CFLAGS += -fno-strict-aliasing
|
|
|
|
|
|
|
|
|
|
KBUILD_CPPFLAGS := -D__KERNEL__
|
|
|
|
|
KBUILD_RUSTFLAGS := $(rust_common_flags) \
|
|
|
|
|
--target=$(objtree)/rust/target.json \
|
|
|
|
|
-Cpanic=abort -Cembed-bitcode=n -Clto=n \
|
|
|
|
|
-Cforce-unwind-tables=n -Ccodegen-units=1 \
|
|
|
|
|
-Csymbol-mangling-version=v0 \
|
|
|
|
|
@@ -843,10 +834,6 @@ endif # may-sync-config
|
|
|
|
|
endif # need-config
|
|
|
|
|
|
|
|
|
|
KBUILD_CFLAGS += -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 += $(call cc-disable-warning, address-of-packed-member)
|
|
|
|
|
|
|
|
|
|
ifdef CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE
|
|
|
|
|
KBUILD_CFLAGS += -O2
|
|
|
|
|
@@ -877,40 +864,15 @@ ifdef CONFIG_READABLE_ASM
|
|
|
|
|
KBUILD_CFLAGS += -fno-reorder-blocks -fno-ipa-cp-clone -fno-partial-inlining
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifneq ($(CONFIG_FRAME_WARN),0)
|
|
|
|
|
KBUILD_CFLAGS += -Wframe-larger-than=$(CONFIG_FRAME_WARN)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
stackp-flags-y := -fno-stack-protector
|
|
|
|
|
stackp-flags-$(CONFIG_STACKPROTECTOR) := -fstack-protector
|
|
|
|
|
stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) := -fstack-protector-strong
|
|
|
|
|
|
|
|
|
|
KBUILD_CFLAGS += $(stackp-flags-y)
|
|
|
|
|
|
|
|
|
|
KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
|
|
|
|
|
KBUILD_CFLAGS-$(CONFIG_CC_NO_ARRAY_BOUNDS) += -Wno-array-bounds
|
|
|
|
|
|
|
|
|
|
KBUILD_RUSTFLAGS-$(CONFIG_WERROR) += -Dwarnings
|
|
|
|
|
KBUILD_RUSTFLAGS += $(KBUILD_RUSTFLAGS-y)
|
|
|
|
|
|
|
|
|
|
ifdef CONFIG_CC_IS_CLANG
|
|
|
|
|
KBUILD_CPPFLAGS += -Qunused-arguments
|
|
|
|
|
# The kernel builds with '-std=gnu11' so use of GNU extensions is acceptable.
|
|
|
|
|
KBUILD_CFLAGS += -Wno-gnu
|
|
|
|
|
else
|
|
|
|
|
|
|
|
|
|
# gcc inanely warns about local variables called 'main'
|
|
|
|
|
KBUILD_CFLAGS += -Wno-main
|
|
|
|
|
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)
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
|
|
|
|
|
|
|
|
|
|
# These result in bogus false positives
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, dangling-pointer)
|
|
|
|
|
|
|
|
|
|
ifdef CONFIG_FRAME_POINTER
|
|
|
|
|
KBUILD_CFLAGS += -fno-omit-frame-pointer -fno-optimize-sibling-calls
|
|
|
|
|
KBUILD_RUSTFLAGS += -Cforce-frame-pointers=y
|
|
|
|
|
@@ -937,7 +899,9 @@ ifdef CONFIG_INIT_STACK_ALL_ZERO
|
|
|
|
|
KBUILD_CFLAGS += -ftrivial-auto-var-init=zero
|
|
|
|
|
ifdef CONFIG_CC_HAS_AUTO_VAR_INIT_ZERO_ENABLER
|
|
|
|
|
# https://github.com/llvm/llvm-project/issues/44842
|
|
|
|
|
KBUILD_CFLAGS += -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
|
|
|
|
|
CC_AUTO_VAR_INIT_ZERO_ENABLER := -enable-trivial-auto-var-init-zero-knowing-it-will-be-removed-from-clang
|
|
|
|
|
export CC_AUTO_VAR_INIT_ZERO_ENABLER
|
|
|
|
|
KBUILD_CFLAGS += $(CC_AUTO_VAR_INIT_ZERO_ENABLER)
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
@@ -961,7 +925,9 @@ ifdef CONFIG_FTRACE_MCOUNT_USE_CC
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
ifdef CONFIG_FTRACE_MCOUNT_USE_OBJTOOL
|
|
|
|
|
ifdef CONFIG_HAVE_OBJTOOL_NOP_MCOUNT
|
|
|
|
|
CC_FLAGS_USING += -DCC_USING_NOP_MCOUNT
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
ifdef CONFIG_FTRACE_MCOUNT_USE_RECORDMCOUNT
|
|
|
|
|
ifdef CONFIG_HAVE_C_RECORDMCOUNT
|
|
|
|
|
@@ -997,6 +963,7 @@ ifdef CONFIG_SHADOW_CALL_STACK
|
|
|
|
|
ifndef CONFIG_DYNAMIC_SCS
|
|
|
|
|
CC_FLAGS_SCS := -fsanitize=shadow-call-stack
|
|
|
|
|
KBUILD_CFLAGS += $(CC_FLAGS_SCS)
|
|
|
|
|
KBUILD_RUSTFLAGS += -Zsanitizer=shadow-call-stack
|
|
|
|
|
endif
|
|
|
|
|
export CC_FLAGS_SCS
|
|
|
|
|
endif
|
|
|
|
|
@@ -1022,7 +989,7 @@ KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
|
|
|
|
|
# Check for frame size exceeding threshold during prolog/epilog insertion
|
|
|
|
|
# when using lld < 13.0.0.
|
|
|
|
|
ifneq ($(CONFIG_FRAME_WARN),0)
|
|
|
|
|
ifeq ($(shell test $(CONFIG_LLD_VERSION) -lt 130000; echo $$?),0)
|
|
|
|
|
ifeq ($(call test-lt, $(CONFIG_LLD_VERSION), 130000),y)
|
|
|
|
|
KBUILD_LDFLAGS += -plugin-opt=-warn-stack-size=$(CONFIG_FRAME_WARN)
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
@@ -1036,58 +1003,34 @@ endif
|
|
|
|
|
|
|
|
|
|
ifdef CONFIG_CFI_CLANG
|
|
|
|
|
CC_FLAGS_CFI := -fsanitize=kcfi
|
|
|
|
|
ifdef CONFIG_RUST
|
|
|
|
|
# If Rust is enabled, this flag is required to support cross-language
|
|
|
|
|
# integer types.
|
|
|
|
|
# This addresses the problem that on e.g. i686, int != long, and Rust
|
|
|
|
|
# maps both to i32.
|
|
|
|
|
# See https://rcvalle.com/docs/rust-cfi-design-doc.pdf for details.
|
|
|
|
|
$(error "Enabling Rust and CFI silently changes the KMI.")
|
|
|
|
|
CC_FLAGS_CFI += -fsanitize-cfi-icall-experimental-normalize-integers
|
|
|
|
|
RS_FLAGS_CFI := -Zsanitizer=kcfi -Zsanitizer-cfi-normalize-integers
|
|
|
|
|
KBUILD_RUSTFLAGS += $(RS_FLAGS_CFI)
|
|
|
|
|
export RS_FLAGS_CFI
|
|
|
|
|
endif
|
|
|
|
|
KBUILD_CFLAGS += $(CC_FLAGS_CFI)
|
|
|
|
|
export CC_FLAGS_CFI
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifdef CONFIG_DEBUG_FORCE_FUNCTION_ALIGN_64B
|
|
|
|
|
KBUILD_CFLAGS += -falign-functions=64
|
|
|
|
|
ifneq ($(CONFIG_FUNCTION_ALIGNMENT),0)
|
|
|
|
|
KBUILD_CFLAGS += -falign-functions=$(CONFIG_FUNCTION_ALIGNMENT)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
# arch Makefile may override CC so keep this after arch Makefile is included
|
|
|
|
|
NOSTDINC_FLAGS += -nostdinc
|
|
|
|
|
|
|
|
|
|
# warn about C99 declaration after statement
|
|
|
|
|
KBUILD_CFLAGS += -Wdeclaration-after-statement
|
|
|
|
|
|
|
|
|
|
# Variable Length Arrays (VLAs) should not be used anywhere in the kernel
|
|
|
|
|
KBUILD_CFLAGS += -Wvla
|
|
|
|
|
|
|
|
|
|
# disable pointer signed / unsigned warnings in gcc 4.0
|
|
|
|
|
KBUILD_CFLAGS += -Wno-pointer-sign
|
|
|
|
|
|
|
|
|
|
# In order to make sure new function cast mismatches are not introduced
|
|
|
|
|
# in the kernel (to avoid tripping CFI checking), the kernel should be
|
|
|
|
|
# globally built with -Wcast-function-type.
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-option, -Wcast-function-type)
|
|
|
|
|
|
|
|
|
|
# disable stringop warnings in gcc 8+
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)
|
|
|
|
|
|
|
|
|
|
# We'll want to enable this eventually, but it's not going away for 5.7 at least
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, stringop-overflow)
|
|
|
|
|
|
|
|
|
|
# Another good warning that we'll want to enable eventually
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-disable-warning, restrict)
|
|
|
|
|
|
|
|
|
|
# Enabled with W=2, disabled by default as noisy
|
|
|
|
|
ifdef CONFIG_CC_IS_GCC
|
|
|
|
|
KBUILD_CFLAGS += -Wno-maybe-uninitialized
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
# The allocators already balk at large sizes, so silence the compiler
|
|
|
|
|
# warnings for bounds checks involving those possible values. While
|
|
|
|
|
# -Wno-alloc-size-larger-than would normally be used here, earlier versions
|
|
|
|
|
# of gcc (<9.1) weirdly don't handle the option correctly when _other_
|
|
|
|
|
# warnings are produced (?!). Using -Walloc-size-larger-than=SIZE_MAX
|
|
|
|
|
# doesn't work (as it is documented to), silently resolving to "0" prior to
|
|
|
|
|
# version 9.1 (and producing an error more recently). Numeric values larger
|
|
|
|
|
# than PTRDIFF_MAX also don't work prior to version 9.1, which are silently
|
|
|
|
|
# ignored, continuing to default to PTRDIFF_MAX. So, left with no other
|
|
|
|
|
# choice, we must perform a versioned check to disable this warning.
|
|
|
|
|
# https://lore.kernel.org/lkml/20210824115859.187f272f@canb.auug.org.au
|
|
|
|
|
KBUILD_CFLAGS-$(call gcc-min-version, 90100) += -Wno-alloc-size-larger-than
|
|
|
|
|
KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
|
|
|
|
|
# To gain proper coverage for CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE,
|
|
|
|
|
# the kernel uses only C99 flexible arrays for dynamically sized trailing
|
|
|
|
|
# arrays. Enforce this for everything that may examine structure sizes and
|
|
|
|
|
# perform bounds checking.
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-option, -fstrict-flex-arrays=3)
|
|
|
|
|
|
|
|
|
|
# disable invalid "can't wrap" optimizations for signed / pointers
|
|
|
|
|
KBUILD_CFLAGS += -fno-strict-overflow
|
|
|
|
|
@@ -1100,15 +1043,6 @@ ifdef CONFIG_CC_IS_GCC
|
|
|
|
|
KBUILD_CFLAGS += -fconserve-stack
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
# Prohibit date/time macros, which would make the build non-deterministic
|
|
|
|
|
KBUILD_CFLAGS += -Werror=date-time
|
|
|
|
|
|
|
|
|
|
# enforce correct pointer usage
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
|
|
|
|
|
|
|
|
|
|
# Require designated initializers for all marked structures
|
|
|
|
|
KBUILD_CFLAGS += $(call cc-option,-Werror=designated-init)
|
|
|
|
|
|
|
|
|
|
# change __FILE__ to the relative path from the srctree
|
|
|
|
|
KBUILD_CPPFLAGS += $(call cc-option,-fmacro-prefix-map=$(srctree)/=)
|
|
|
|
|
|
|
|
|
|
@@ -1148,13 +1082,14 @@ LDFLAGS_vmlinux += -X
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifeq ($(CONFIG_RELR),y)
|
|
|
|
|
LDFLAGS_vmlinux += --pack-dyn-relocs=relr --use-android-relr-tags
|
|
|
|
|
# ld.lld before 15 did not support -z pack-relative-relocs.
|
|
|
|
|
LDFLAGS_vmlinux += $(call ld-option,--pack-dyn-relocs=relr,-z pack-relative-relocs)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
# We never want expected sections to be placed heuristically by the
|
|
|
|
|
# linker. All sections should be explicitly named in the linker script.
|
|
|
|
|
ifdef CONFIG_LD_ORPHAN_WARN
|
|
|
|
|
LDFLAGS_vmlinux += --orphan-handling=warn
|
|
|
|
|
LDFLAGS_vmlinux += --orphan-handling=$(CONFIG_LD_ORPHAN_WARN_LEVEL)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
# Align the bit size of userspace programs with the kernel
|
|
|
|
|
@@ -1209,10 +1144,6 @@ export MODULES_NSDEPS := $(extmod_prefix)modules.nsdeps
|
|
|
|
|
|
|
|
|
|
PHONY += headers
|
|
|
|
|
|
|
|
|
|
ext-mod-dir := ../sm8650-modules
|
|
|
|
|
ext-mod-dirs := $(ext-mod-dir)/qcom/opensource/audio-kernel $(ext-mod-dir)/qcom/opensource/dataipa/drivers/platform/msm $(ext-mod-dir)/qcom/opensource/display-drivers $(ext-mod-dir)/qcom/opensource/video-kernel $(ext-mod-dir)/nxp/opensource/driver
|
|
|
|
|
ext-mod-dirs := $(subst $(srctree)/,,$(ext-mod-dirs))
|
|
|
|
|
|
|
|
|
|
#Default location for installed headers
|
|
|
|
|
ifeq ($(KBUILD_EXTMOD),)
|
|
|
|
|
PHONY += archheaders archscripts
|
|
|
|
|
@@ -1241,9 +1172,6 @@ ifeq ($(KBUILD_EXTMOD),)
|
|
|
|
|
endif
|
|
|
|
|
$(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)include/uapi
|
|
|
|
|
$(Q)$(MAKE) $(hdr-inst)=$(hdr-prefix)arch/$(SRCARCH)/include/uapi
|
|
|
|
|
$(Q)for d in $(ext-mod-dirs); do \
|
|
|
|
|
$(MAKE) $(hdr-inst)=$$d/include/uapi; \
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
# Devicetree files
|
|
|
|
|
@@ -1323,28 +1251,12 @@ endif
|
|
|
|
|
export KBUILD_VMLINUX_LIBS
|
|
|
|
|
export KBUILD_LDS := arch/$(SRCARCH)/kernel/vmlinux.lds
|
|
|
|
|
|
|
|
|
|
# Recurse until adjust_autoksyms.sh is satisfied
|
|
|
|
|
PHONY += autoksyms_recursive
|
|
|
|
|
ifdef CONFIG_TRIM_UNUSED_KSYMS
|
|
|
|
|
# For the kernel to actually contain only the needed exported symbols,
|
|
|
|
|
# we have to build modules as well to determine what those symbols are.
|
|
|
|
|
# (this can be evaluated only once include/config/auto.conf has been included)
|
|
|
|
|
KBUILD_MODULES := 1
|
|
|
|
|
|
|
|
|
|
autoksyms_recursive: $(build-dir) modules.order
|
|
|
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/adjust_autoksyms.sh \
|
|
|
|
|
"$(MAKE) -f $(srctree)/Makefile autoksyms_recursive"
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h)
|
|
|
|
|
|
|
|
|
|
quiet_cmd_autoksyms_h = GEN $@
|
|
|
|
|
cmd_autoksyms_h = mkdir -p $(dir $@); \
|
|
|
|
|
$(CONFIG_SHELL) $(srctree)/scripts/gen_autoksyms.sh $@
|
|
|
|
|
|
|
|
|
|
$(autoksyms_h):
|
|
|
|
|
$(call cmd,autoksyms_h)
|
|
|
|
|
|
|
|
|
|
# '$(AR) mPi' needs 'T' to workaround the bug of llvm-ar <= 14
|
|
|
|
|
quiet_cmd_ar_vmlinux.a = AR $@
|
|
|
|
|
cmd_ar_vmlinux.a = \
|
|
|
|
|
@@ -1353,7 +1265,7 @@ quiet_cmd_ar_vmlinux.a = AR $@
|
|
|
|
|
$(AR) mPiT $$($(AR) t $@ | sed -n 1p) $@ $$($(AR) t $@ | grep -F -f $(srctree)/scripts/head-object-list.txt)
|
|
|
|
|
|
|
|
|
|
targets += vmlinux.a
|
|
|
|
|
vmlinux.a: $(KBUILD_VMLINUX_OBJS) scripts/head-object-list.txt autoksyms_recursive FORCE
|
|
|
|
|
vmlinux.a: $(KBUILD_VMLINUX_OBJS) scripts/head-object-list.txt FORCE
|
|
|
|
|
$(call if_changed,ar_vmlinux.a)
|
|
|
|
|
|
|
|
|
|
ifndef KBUILD_MIXED_TREE
|
|
|
|
|
@@ -1385,9 +1297,13 @@ endif
|
|
|
|
|
# make sure no implicit rule kicks in
|
|
|
|
|
$(sort $(KBUILD_LDS) $(KBUILD_VMLINUX_OBJS) $(KBUILD_VMLINUX_LIBS)): . ;
|
|
|
|
|
|
|
|
|
|
filechk_kernel.release = \
|
|
|
|
|
echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
|
|
|
|
|
$(srctree) $(BRANCH) $(KMI_GENERATION))"
|
|
|
|
|
-include $(srctree)/scripts/sec_env.mk
|
|
|
|
|
|
|
|
|
|
ifeq ($(origin KERNELRELEASE),file)
|
|
|
|
|
filechk_kernel.release = $(srctree)/scripts/setlocalversion $(srctree)
|
|
|
|
|
else
|
|
|
|
|
filechk_kernel.release = echo $(KERNELRELEASE)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
# Store (new) KERNELRELEASE string in include/config/kernel.release
|
|
|
|
|
include/config/kernel.release: FORCE
|
|
|
|
|
@@ -1409,7 +1325,7 @@ scripts: scripts_basic scripts_dtc
|
|
|
|
|
PHONY += prepare archprepare
|
|
|
|
|
|
|
|
|
|
archprepare: outputmakefile archheaders archscripts scripts include/config/kernel.release \
|
|
|
|
|
asm-generic $(version_h) $(autoksyms_h) include/generated/utsrelease.h \
|
|
|
|
|
asm-generic $(version_h) include/generated/utsrelease.h \
|
|
|
|
|
include/generated/compile.h include/generated/autoconf.h remove-stale-files
|
|
|
|
|
|
|
|
|
|
prepare0: archprepare
|
|
|
|
|
@@ -1588,7 +1504,10 @@ dtbs_prepare: include/config/kernel.release scripts_dtc
|
|
|
|
|
|
|
|
|
|
ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
|
|
|
|
|
export CHECK_DTBS=y
|
|
|
|
|
dtbs: dt_binding_check
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifneq ($(CHECK_DTBS),)
|
|
|
|
|
dtbs_prepare: dt_binding_check
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
dtbs_check: dtbs
|
|
|
|
|
@@ -1637,7 +1556,7 @@ endif
|
|
|
|
|
# Build modules
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
# *.ko are usually independent of vmlinux, but CONFIG_DEBUG_INFOBTF_MODULES
|
|
|
|
|
# *.ko are usually independent of vmlinux, but CONFIG_DEBUG_INFO_BTF_MODULES
|
|
|
|
|
# is an exception.
|
|
|
|
|
ifdef CONFIG_DEBUG_INFO_BTF_MODULES
|
|
|
|
|
KBUILD_BUILTIN := 1
|
|
|
|
|
@@ -1650,40 +1569,6 @@ modules: modules_prepare
|
|
|
|
|
modules_prepare: prepare
|
|
|
|
|
$(Q)$(MAKE) $(build)=scripts scripts/module.lds
|
|
|
|
|
|
|
|
|
|
export modules_sign_only :=
|
|
|
|
|
|
|
|
|
|
ifeq ($(CONFIG_MODULE_SIG),y)
|
|
|
|
|
PHONY += modules_sign
|
|
|
|
|
modules_sign: modules_install
|
|
|
|
|
@:
|
|
|
|
|
|
|
|
|
|
# modules_sign is a subset of modules_install.
|
|
|
|
|
# 'make modules_install modules_sign' is equivalent to 'make modules_install'.
|
|
|
|
|
ifeq ($(filter modules_install,$(MAKECMDGOALS)),)
|
|
|
|
|
modules_sign_only := y
|
|
|
|
|
endif
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
modinst_pre :=
|
|
|
|
|
ifneq ($(filter modules_install,$(MAKECMDGOALS)),)
|
|
|
|
|
modinst_pre := __modinst_pre
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
modules_install: $(modinst_pre)
|
|
|
|
|
PHONY += __modinst_pre
|
|
|
|
|
__modinst_pre:
|
|
|
|
|
@rm -rf $(MODLIB)/kernel
|
|
|
|
|
@rm -f $(MODLIB)/source
|
|
|
|
|
@mkdir -p $(MODLIB)/kernel
|
|
|
|
|
@ln -s $(abspath $(srctree)) $(MODLIB)/source
|
|
|
|
|
@if [ ! $(objtree) -ef $(MODLIB)/build ]; then \
|
|
|
|
|
rm -f $(MODLIB)/build ; \
|
|
|
|
|
ln -s $(CURDIR) $(MODLIB)/build ; \
|
|
|
|
|
fi
|
|
|
|
|
@sed 's:^:kernel/:' modules.order > $(MODLIB)/modules.order
|
|
|
|
|
@cp -f $(mixed-build-prefix)modules.builtin $(MODLIB)/
|
|
|
|
|
@cp -f $(or $(mixed-build-prefix),$(objtree)/)modules.builtin.modinfo $(MODLIB)/
|
|
|
|
|
|
|
|
|
|
endif # CONFIG_MODULES
|
|
|
|
|
|
|
|
|
|
###
|
|
|
|
|
@@ -1694,10 +1579,10 @@ endif # CONFIG_MODULES
|
|
|
|
|
# make distclean Remove editor backup files, patch leftover files and the like
|
|
|
|
|
|
|
|
|
|
# Directories & files removed with 'make clean'
|
|
|
|
|
CLEAN_FILES += include/ksym vmlinux.symvers modules-only.symvers \
|
|
|
|
|
CLEAN_FILES += vmlinux.symvers modules-only.symvers \
|
|
|
|
|
modules.builtin modules.builtin.modinfo modules.nsdeps \
|
|
|
|
|
compile_commands.json .thinlto-cache rust/test rust/doc \
|
|
|
|
|
.vmlinux.objs .vmlinux.export.c
|
|
|
|
|
compile_commands.json .thinlto-cache rust/test \
|
|
|
|
|
rust-project.json .vmlinux.objs .vmlinux.export.c
|
|
|
|
|
|
|
|
|
|
# Directories & files removed with 'make mrproper'
|
|
|
|
|
MRPROPER_FILES += include/config include/generated \
|
|
|
|
|
@@ -1708,8 +1593,8 @@ MRPROPER_FILES += include/config include/generated \
|
|
|
|
|
certs/signing_key.pem \
|
|
|
|
|
certs/x509.genkey \
|
|
|
|
|
vmlinux-gdb.py \
|
|
|
|
|
*.spec \
|
|
|
|
|
rust/target.json rust/libmacros.so
|
|
|
|
|
kernel.spec rpmbuild \
|
|
|
|
|
rust/libmacros.so
|
|
|
|
|
|
|
|
|
|
# clean - Delete most, but leave enough to build external modules
|
|
|
|
|
#
|
|
|
|
|
@@ -1721,6 +1606,9 @@ vmlinuxclean:
|
|
|
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/link-vmlinux.sh clean
|
|
|
|
|
$(Q)$(if $(ARCH_POSTLINK), $(MAKE) -f $(ARCH_POSTLINK) clean)
|
|
|
|
|
|
|
|
|
|
legoclean:
|
|
|
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/lego/kclean.sh $(srctree)/.legofile
|
|
|
|
|
|
|
|
|
|
clean: archclean vmlinuxclean resolve_btfids_clean
|
|
|
|
|
|
|
|
|
|
# mrproper - Delete all generated files, including .config
|
|
|
|
|
@@ -1775,7 +1663,6 @@ help:
|
|
|
|
|
@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 'Other generic targets:'
|
|
|
|
|
@@ -1874,8 +1761,9 @@ help:
|
|
|
|
|
printf " %-16s - Show all of the above\\n" help-boards; \
|
|
|
|
|
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 V=n [targets] 1: verbose build'
|
|
|
|
|
@echo ' 2: give reason for rebuild of target'
|
|
|
|
|
@echo ' V=1 and V=2 can be combined with V=12'
|
|
|
|
|
@echo ' make O=dir [targets] Locate all output files in "dir", including .config'
|
|
|
|
|
@echo ' make C=1 [targets] Check re-compiled c source with $$CHECK'
|
|
|
|
|
@echo ' (sparse by default)'
|
|
|
|
|
@@ -1887,6 +1775,10 @@ help:
|
|
|
|
|
@echo ' 3: more obscure warnings, can most likely be ignored'
|
|
|
|
|
@echo ' e: warnings are being treated as errors'
|
|
|
|
|
@echo ' Multiple levels can be combined with W=12 or W=123'
|
|
|
|
|
@$(if $(dtstree), \
|
|
|
|
|
echo ' make CHECK_DTBS=1 [targets] Check all generated dtb files against schema'; \
|
|
|
|
|
echo ' This can be applied both to "dtbs" and to individual "foo.dtb" targets' ; \
|
|
|
|
|
)
|
|
|
|
|
@echo ''
|
|
|
|
|
@echo 'Execute "make" or "make all" to build all targets marked with [*] '
|
|
|
|
|
@echo 'For further info see the ./README file'
|
|
|
|
|
@@ -1909,7 +1801,7 @@ $(help-board-dirs): help-%:
|
|
|
|
|
# Documentation targets
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
DOC_TARGETS := xmldocs latexdocs pdfdocs htmldocs epubdocs cleandocs \
|
|
|
|
|
linkcheckdocs dochelp refcheckdocs
|
|
|
|
|
linkcheckdocs dochelp refcheckdocs texinfodocs infodocs
|
|
|
|
|
PHONY += $(DOC_TARGETS)
|
|
|
|
|
$(DOC_TARGETS):
|
|
|
|
|
$(Q)$(MAKE) $(build)=Documentation $@
|
|
|
|
|
@@ -1955,14 +1847,15 @@ rustfmt:
|
|
|
|
|
rustfmtcheck: rustfmt_flags = --check
|
|
|
|
|
rustfmtcheck: rustfmt
|
|
|
|
|
|
|
|
|
|
# IDE support targets
|
|
|
|
|
PHONY += rust-analyzer
|
|
|
|
|
rust-analyzer:
|
|
|
|
|
$(Q)$(MAKE) $(build)=rust $@
|
|
|
|
|
|
|
|
|
|
# Misc
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
PHONY += misc-check
|
|
|
|
|
misc-check:
|
|
|
|
|
$(Q)$(srctree)/scripts/misc-check
|
|
|
|
|
|
|
|
|
|
all: misc-check
|
|
|
|
|
|
|
|
|
|
PHONY += scripts_gdb
|
|
|
|
|
scripts_gdb: prepare0
|
|
|
|
|
$(Q)$(MAKE) $(build)=scripts/gdb
|
|
|
|
|
@@ -1974,6 +1867,8 @@ endif
|
|
|
|
|
|
|
|
|
|
else # KBUILD_EXTMOD
|
|
|
|
|
|
|
|
|
|
filechk_kernel.release = echo $(KERNELRELEASE)
|
|
|
|
|
|
|
|
|
|
###
|
|
|
|
|
# External module support.
|
|
|
|
|
# When building external modules the kernel used as basis is considered
|
|
|
|
|
@@ -2014,14 +1909,42 @@ help:
|
|
|
|
|
@echo ' headers_install - Install sanitised kernel headers to INSTALL_HDR_PATH'
|
|
|
|
|
@echo ' (default: $(abspath $(INSTALL_HDR_PATH)))'
|
|
|
|
|
@echo ' clean - remove generated files in module directory only'
|
|
|
|
|
@echo ' rust-analyzer - generate rust-project.json rust-analyzer support file'
|
|
|
|
|
@echo ''
|
|
|
|
|
|
|
|
|
|
ifndef CONFIG_MODULES
|
|
|
|
|
modules modules_install: __external_modules_error
|
|
|
|
|
__external_modules_error:
|
|
|
|
|
@echo >&2 '***'
|
|
|
|
|
@echo >&2 '*** The present kernel disabled CONFIG_MODULES.'
|
|
|
|
|
@echo >&2 '*** You cannot build or install external modules.'
|
|
|
|
|
@echo >&2 '***'
|
|
|
|
|
@false
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
endif # KBUILD_EXTMOD
|
|
|
|
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
# Modules
|
|
|
|
|
|
|
|
|
|
PHONY += modules modules_install modules_prepare
|
|
|
|
|
PHONY += modules modules_install modules_sign modules_prepare
|
|
|
|
|
|
|
|
|
|
modules_install:
|
|
|
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst \
|
|
|
|
|
sign-only=$(if $(filter modules_install,$(MAKECMDGOALS)),,y)
|
|
|
|
|
|
|
|
|
|
ifeq ($(CONFIG_MODULE_SIG),y)
|
|
|
|
|
# modules_sign is a subset of modules_install.
|
|
|
|
|
# 'make modules_install modules_sign' is equivalent to 'make modules_install'.
|
|
|
|
|
modules_sign: modules_install
|
|
|
|
|
@:
|
|
|
|
|
else
|
|
|
|
|
modules_sign:
|
|
|
|
|
@echo >&2 '***'
|
|
|
|
|
@echo >&2 '*** CONFIG_MODULE_SIG is disabled. You cannot sign modules.'
|
|
|
|
|
@echo >&2 '***'
|
|
|
|
|
@false
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
ifdef CONFIG_MODULES
|
|
|
|
|
|
|
|
|
|
@@ -2039,28 +1962,10 @@ PHONY += modules_check
|
|
|
|
|
modules_check: $(MODORDER)
|
|
|
|
|
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/modules-check.sh $<
|
|
|
|
|
|
|
|
|
|
quiet_cmd_depmod = DEPMOD $(MODLIB)
|
|
|
|
|
cmd_depmod = $(CONFIG_SHELL) $(srctree)/scripts/depmod.sh $(DEPMOD) \
|
|
|
|
|
$(KERNELRELEASE) $(mixed-build-prefix)
|
|
|
|
|
|
|
|
|
|
modules_install:
|
|
|
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modinst
|
|
|
|
|
ifndef modules_sign_only
|
|
|
|
|
$(call cmd,depmod)
|
|
|
|
|
endif
|
|
|
|
|
|
|
|
|
|
else # CONFIG_MODULES
|
|
|
|
|
|
|
|
|
|
# Modules not configured
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
modules modules_install:
|
|
|
|
|
@echo >&2 '***'
|
|
|
|
|
@echo >&2 '*** The present kernel configuration has modules disabled.'
|
|
|
|
|
@echo >&2 '*** To use the module feature, please run "make menuconfig" etc.'
|
|
|
|
|
@echo >&2 '*** to enable CONFIG_MODULES.'
|
|
|
|
|
@echo >&2 '***'
|
|
|
|
|
@exit 1
|
|
|
|
|
modules:
|
|
|
|
|
@:
|
|
|
|
|
|
|
|
|
|
KBUILD_MODULES :=
|
|
|
|
|
|
|
|
|
|
@@ -2098,7 +2003,7 @@ $(single-no-ko): $(build-dir)
|
|
|
|
|
# Remove MODORDER when done because it is not the real one.
|
|
|
|
|
PHONY += single_modules
|
|
|
|
|
single_modules: $(single-no-ko) modules_prepare
|
|
|
|
|
$(Q){ $(foreach m, $(single-ko), echo $(extmod_prefix)$m;) } > $(MODORDER)
|
|
|
|
|
$(Q){ $(foreach m, $(single-ko), echo $(extmod_prefix)$(m:%.ko=%.o);) } > $(MODORDER)
|
|
|
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost
|
|
|
|
|
ifneq ($(KBUILD_MODPOST_NOFINAL),1)
|
|
|
|
|
$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modfinal
|
|
|
|
|
@@ -2131,18 +2036,21 @@ clean: $(clean-dirs)
|
|
|
|
|
$(RCS_FIND_IGNORE) \
|
|
|
|
|
\( -name '*.[aios]' -o -name '*.rsi' -o -name '*.ko' -o -name '.*.cmd' \
|
|
|
|
|
-o -name '*.ko.*' \
|
|
|
|
|
-o -name '*.dtb' -o -name '*.dtbo' -o -name '*.dtb.S' -o -name '*.dt.yaml' \
|
|
|
|
|
-o -name '*.dtb' -o -name '*.dtbo' \
|
|
|
|
|
-o -name '*.dtb.S' -o -name '*.dtbo.S' \
|
|
|
|
|
-o -name '*.dt.yaml' \
|
|
|
|
|
-o -name '*.dwo' -o -name '*.lst' \
|
|
|
|
|
-o -name '*.su' -o -name '*.mod' -o -name '*.usyms' \
|
|
|
|
|
-o -name '*.su' -o -name '*.mod' \
|
|
|
|
|
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
|
|
|
|
|
-o -name '*.lex.c' -o -name '*.tab.[ch]' \
|
|
|
|
|
-o -name '*.asn1.[ch]' \
|
|
|
|
|
-o -name '*.symtypes' -o -name 'modules.order' \
|
|
|
|
|
-o -name '.tmp_*' \
|
|
|
|
|
-o -name '*.c.[012]*.*' \
|
|
|
|
|
-o -name '*.ll' \
|
|
|
|
|
-o -name '*.gcno' \
|
|
|
|
|
-o -name '*.*.symversions' \) -type f -print | xargs rm -f
|
|
|
|
|
-o -name '*.*.symversions' \) -type f -print \
|
|
|
|
|
-o -name '.tmp_*' -print \
|
|
|
|
|
| xargs rm -rf
|
|
|
|
|
|
|
|
|
|
# Generate tags for editors
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
@@ -2152,6 +2060,11 @@ quiet_cmd_tags = GEN $@
|
|
|
|
|
tags TAGS cscope gtags: FORCE
|
|
|
|
|
$(call cmd,tags)
|
|
|
|
|
|
|
|
|
|
# IDE support targets
|
|
|
|
|
PHONY += rust-analyzer
|
|
|
|
|
rust-analyzer:
|
|
|
|
|
$(Q)$(MAKE) $(build)=rust $@
|
|
|
|
|
|
|
|
|
|
# Script to generate missing namespace dependencies
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
@@ -2224,8 +2137,7 @@ checkstack:
|
|
|
|
|
$(PERL) $(srctree)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
|
|
|
|
|
|
|
|
|
|
kernelrelease:
|
|
|
|
|
@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion \
|
|
|
|
|
$(srctree) $(BRANCH) $(KMI_GENERATION))"
|
|
|
|
|
@$(filechk_kernel.release)
|
|
|
|
|
|
|
|
|
|
kernelversion:
|
|
|
|
|
@echo $(KERNELVERSION)
|
|
|
|
|
@@ -2233,6 +2145,10 @@ kernelversion:
|
|
|
|
|
image_name:
|
|
|
|
|
@echo $(KBUILD_IMAGE)
|
|
|
|
|
|
|
|
|
|
PHONY += run-command
|
|
|
|
|
run-command:
|
|
|
|
|
$(Q)$(KBUILD_RUN_COMMAND)
|
|
|
|
|
|
|
|
|
|
quiet_cmd_rmfiles = $(if $(wildcard $(rm-files)),CLEAN $(wildcard $(rm-files)))
|
|
|
|
|
cmd_rmfiles = rm -rf $(rm-files)
|
|
|
|
|
|
|
|
|
|
|
