| # This Makefile is a trimmed version of the Linux kernel makefile for version |
| # 2.6.34. In a nutshell, all core, driver, and library targets are built as |
| # they are in Linux. The resulting object files and archives are available as |
| # $(vmlinux-all). This Makefile adds another rule to build $(PROGRAM) |
| # which takes $(vmlinux-all) as input files for linking. |
| # |
| # Some of the important differences are: |
| # - Everything will be compiled and linked into $(PROGRAM) |
| # - Removal of external module and firmware build support. |
| # - Removal of a lot of targets which used helper scripts like checkstack, |
| # patch-kernel, etc. |
| # - Removed documentation targets (may wish to reconsider...) |
| # - Removed unused goals, like net-y/init-m and init-y/init-m |
| # - Add standard include files back in (NOSTDINC undefined) |
| # - Removed outputmakefile and other stuff for outputting to a different |
| # directory |
| |
| NAME="Mosys" |
| PROGRAM=mosys |
| TESTPROGRAM=$(PROGRAM)_test |
| |
| # Mosys will use the following version format: core.major.minor-revision |
| # Here is a summery of each of those fields: |
| # core: Mosys core architecture version |
| # major: Major release number; incremented at major milestones |
| # minor: Minor release number; incremented for important changes |
| # revision: Patch number from version control system |
| CORE = 1 |
| MAJOR = 2 |
| MINOR = 03 |
| GITVERSION := $(shell ./scripts/getversion.sh -r) |
| TIMESTAMP := $(shell ./scripts/getversion.sh -t) |
| |
| RELEASENAME := "$(CORE).$(MAJOR).$(MINOR) : $(GITVERSION) : $(TIMESTAMP)" |
| |
| # location to use when releasing new packages |
| export EXPORTDIR ?= . |
| export INSTALL_PATH ?= /usr/sbin |
| |
| # *DOCUMENTATION* |
| # To see a list of typical targets execute "make help" |
| # More info can be located in ./README |
| # Comments in this file are targeted only to the developer, do not |
| # expect to learn how to build the kernel reading this file. |
| |
| # Do not: |
| # o use make's built-in rules and variables |
| # (this increases performance and avoids hard-to-debug behaviour); |
| # o print "Entering directory ..."; |
| MAKEFLAGS += -rR --no-print-directory |
| |
| # Avoid funny character set dependencies |
| unexport LC_ALL |
| LC_COLLATE=C |
| LC_NUMERIC=C |
| export LC_COLLATE LC_NUMERIC |
| |
| # We are using a recursive build, so we need to do a little thinking |
| # to get the ordering right. |
| # |
| # Most importantly: sub-Makefiles should only ever modify files in |
| # their own directory. If in some directory we have a dependency on |
| # a file in another dir (which doesn't happen often, but it's often |
| # unavoidable when linking the built-in.o targets which finally |
| # turn into vmlinux), we will call a sub make in that other dir, and |
| # after that we are sure that everything which is in that other dir |
| # is now up to date. |
| # |
| # The only cases where we need to modify files which have global |
| # effects are thus separated out and done before the recursive |
| # descending is started. They are now explicitly listed as the |
| # prepare rule. |
| |
| # To put more focus on warnings, be less verbose as default |
| # Use 'make V=1' to see the full commands |
| |
| ifeq ("$(origin V)", "command line") |
| KBUILD_VERBOSE = $(V) |
| endif |
| ifndef KBUILD_VERBOSE |
| KBUILD_VERBOSE = 0 |
| endif |
| |
| # Call a source code checker (by default, "sparse") as part of the |
| # C compilation. |
| # |
| # Use 'make C=1' to enable checking of only re-compiled files. |
| # Use 'make C=2' to enable checking of *all* source files, regardless |
| # of whether they are re-compiled or not. |
| # |
| # See the file "Documentation/sparse.txt" for more details, including |
| # where to get the "sparse" utility. |
| |
| ifeq ("$(origin C)", "command line") |
| KBUILD_CHECKSRC = $(C) |
| endif |
| ifndef KBUILD_CHECKSRC |
| KBUILD_CHECKSRC = 0 |
| endif |
| |
| # We process the rest of the Makefile if this is the final invocation of make |
| ifeq ($(skip-makefile),) |
| |
| PHONY += all |
| _all: all |
| |
| srctree := $(if $(KBUILD_SRC),$(KBUILD_SRC),$(CURDIR)) |
| objtree := $(CURDIR) |
| src := $(srctree) |
| obj := $(objtree) |
| comma := , |
| |
| VPATH := $(srctree) |
| |
| export srctree objtree VPATH |
| |
| # SUBARCH tells the usermode build what the underlying arch is. That is set |
| # first, and if a usermode build is happening, the "ARCH=um" on the command |
| # line overrides the setting of ARCH below. If a native build is happening, |
| # then ARCH is assigned, getting whatever value it gets normally, and |
| # SUBARCH is subsequently ignored. |
| |
| SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ |
| -e s/arm.*/arm/ -e s/sa110/arm/ \ |
| -e s/s390x/s390/ -e s/parisc64/parisc/ \ |
| -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ |
| -e s/sh[234].*/sh/ ) |
| |
| # 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 |
| export KBUILD_BUILDHOST := $(SUBARCH) |
| ARCH ?= $(SUBARCH) |
| CROSS_COMPILE ?= |
| |
| # Architecture as present in compile.h |
| 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),sparc64) |
| SRCARCH := sparc |
| endif |
| |
| # Additional ARCH settings for sh |
| ifeq ($(ARCH),sh64) |
| SRCARCH := sh |
| endif |
| |
| # Where to locate arch specific headers |
| hdr-arch := $(SRCARCH) |
| |
| ifeq ($(ARCH),m68knommu) |
| hdr-arch := m68k |
| endif |
| |
| KCONFIG_CONFIG ?= .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) |
| |
| # FIXME: CFLAGS must have a -O option due to usage of inb/outb and similar |
| # functions on x86. See outb man page for details. |
| HOSTCC ?= gcc |
| HOSTLD ?= ld |
| HOSTCXX ?= g++ |
| HOSTCFLAGS ?= -Wall -Wmissing-prototypes -Wstrict-prototypes -Os -fomit-frame-pointer |
| HOSTCXXFLAGS ?= -Os |
| |
| # Decide whether to build built-in, modular, or both. |
| # Normally, just do built-in. |
| |
| 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 |
| |
| export KBUILD_BUILTIN |
| export KBUILD_CHECKSRC KBUILD_SRC |
| |
| # 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. |
| # |
| # 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. |
| # |
| # A simple variant is to prefix commands with $(Q) - that's useful |
| # for commands that shall be hidden in non-verbose mode. |
| # |
| # $(Q)ln $@ :< |
| # |
| # If KBUILD_VERBOSE equals 0 then the above command will be hidden. |
| # If KBUILD_VERBOSE equals 1 then the above command is displayed. |
| |
| ifeq ($(KBUILD_VERBOSE),1) |
| quiet = |
| Q = |
| else |
| quiet=quiet_ |
| Q = @ |
| endif |
| |
| # If the user is running make -s (silent mode), suppress echoing of |
| # commands |
| |
| ifneq ($(findstring s,$(MAKEFLAGS)),) |
| quiet=silent_ |
| endif |
| |
| export quiet Q KBUILD_VERBOSE |
| |
| UNITTEST ?= n |
| CMOCKERY_PATH := tools/cmockery |
| CMOCKERY_INCLUDE := -I$(CMOCKERY_PATH)/src/google |
| CMOCKERY_FIND_IGNORE := \( -name cmockery \) -prune -o |
| UNITTEST_DATA := $(addsuffix /tools/test_data/, $(shell pwd)) |
| GENHTML_OUTPUT_DIR := html |
| |
| # Look for make include files relative to root of kernel src |
| MAKEFLAGS += --include-dir=$(srctree) |
| |
| # We need some generic definitions (do not try to remake the file). |
| $(srctree)/scripts/Kbuild.include: ; |
| include $(srctree)/scripts/Kbuild.include |
| |
| # Make variables (CC, etc...) |
| |
| AR ?= $(CROSS_COMPILE)ar |
| AS ?= $(CROSS_COMPILE)as |
| CC ?= $(CROSS_COMPILE)gcc |
| CPP ?= $(CC) -E |
| LD ?= $(CROSS_COMPILE)ld |
| NM ?= $(CROSS_COMPILE)nm |
| STRIP ?= $(CROSS_COMPILE)strip |
| OBJCOPY ?= $(CROSS_COMPILE)objcopy |
| OBJDUMP ?= $(CROSS_COMPILE)objdump |
| INSTALL ?= install |
| AWK = awk |
| DEPMOD = /sbin/depmod |
| CHECK = sparse |
| |
| CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \ |
| -Wbitwise -Wno-return-void $(CF) |
| #CFLAGS_KERNEL = |
| #AFLAGS_KERNEL = |
| CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -lgcov |
| |
| # Use LINUXINCLUDE when you must reference the include/ directory. |
| # Needed to be compatible with the O= option |
| LINUXINCLUDE := -Iinclude \ |
| -include include/generated/autoconf.h \ |
| -Itools/vpd_encode |
| |
| KERNELVERSION = $(CORE).$(MAJOR).$(MINOR) |
| |
| FMAP_LINKOPT ?= -lfmap-0.3 |
| LDLIBS := -luuid $(FMAP_LINKOPT) |
| |
| #EXTRA_CFLAGS := $(patsubst %,-l%, $(LIBRARIES)) |
| |
| MOSYS_MACROS := -DPROGRAM=\"$(PROGRAM)\" \ |
| -DVERSION=\"$(RELEASENAME)\" |
| |
| KBUILD_CPPFLAGS := |
| |
| KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ |
| -fno-strict-aliasing -fno-common \ |
| -Werror-implicit-function-declaration \ |
| -Wno-format-security \ |
| -fno-delete-null-pointer-checks |
| KBUILD_AFLAGS := -D__ASSEMBLY__ |
| |
| export VERSION PATCHLEVEL SUBLEVEL KERNELRELEASE KERNELVERSION UNITTEST |
| export MOSYS_MACROS EXTRA_CFLAGS LIBRARIES |
| export ARCH SRCARCH CONFIG_SHELL HOSTCC HOSTCFLAGS HOSTLD HOSTLDFLAGS \ |
| CROSS_COMPILE AS LD CC |
| export CPP AR NM STRIP OBJCOPY OBJDUMP |
| export MAKE AWK INSTALLKERNEL |
| export HOSTCXX HOSTCXXFLAGS CHECK CHECKFLAGS |
| |
| export KBUILD_CPPFLAGS LINUXINCLUDE OBJCOPYFLAGS LDFLAGS |
| export KBUILD_CFLAGS CFLAGS_KERNEL CFLAGS_GCOV |
| export KBUILD_AFLAGS AFLAGS_KERNEL |
| |
| # Files to ignore in find ... statements |
| RCS_FIND_IGNORE := \( -name SCCS -o -name BitKeeper -o -name .svn -o -name CVS -o -name .pc -o -name .hg -o -name .git \) -prune -o |
| export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn --exclude CVS --exclude .pc --exclude .hg --exclude .git |
| |
| # =========================================================================== |
| # Rules shared between *config targets and build targets |
| |
| # Basic helpers built in scripts/ |
| PHONY += scripts_basic |
| scripts_basic: |
| $(Q)$(MAKE) $(build)=scripts/basic |
| $(Q)rm -f .tmp_quiet_recordmcount |
| |
| # To avoid any implicit rule to kick in, define an empty command. |
| scripts/basic/%: scripts_basic ; |
| |
| # To make sure we do not include .config for any of the *config targets |
| # catch them early, and hand them over to scripts/kconfig/Makefile |
| # It is allowed to specify more targets when calling make, including |
| # mixing *config targets and build targets. |
| # For example 'make oldconfig all'. |
| # Detect when mixed targets is specified, and make a second invocation |
| # of make so .config is not included in this case either (for *config). |
| |
| no-dot-config-targets := clean mrproper distclean \ |
| cscope TAGS tags help %docs check% \ |
| include/linux/version.h headers_% \ |
| kernelrelease kernelversion |
| |
| config-targets := 0 |
| mixed-targets := 0 |
| dot-config := 1 |
| |
| ifneq ($(filter $(no-dot-config-targets), $(MAKECMDGOALS)),) |
| ifeq ($(filter-out $(no-dot-config-targets), $(MAKECMDGOALS)),) |
| dot-config := 0 |
| endif |
| endif |
| |
| ifneq ($(filter config %config,$(MAKECMDGOALS)),) |
| config-targets := 1 |
| ifneq ($(filter-out config %config,$(MAKECMDGOALS)),) |
| mixed-targets := 1 |
| endif |
| endif |
| |
| ifeq ($(mixed-targets),1) |
| # =========================================================================== |
| # We're called with mixed targets (*config and build targets). |
| # Handle them one by one. |
| |
| %:: FORCE |
| $(Q)$(MAKE) -C $(srctree) KBUILD_SRC= $@ |
| |
| else |
| ifeq ($(config-targets),1) |
| # =========================================================================== |
| # *config targets only - make sure prerequisites are updated, and descend |
| # in scripts/kconfig to make the *config target |
| |
| # Default configuration stuff used for 'make defconfig' |
| include $(srctree)/configs/Makefile |
| |
| KBUILD_KCONFIG := Kconfig # Use top-level Kconfig for now. |
| export KBUILD_DEFCONFIG KBUILD_KCONFIG |
| |
| config: scripts_basic FORCE |
| $(Q)mkdir -p include/linux include/config |
| $(Q)$(MAKE) $(build)=scripts/kconfig $@ |
| |
| %config: scripts_basic FORCE |
| $(Q)mkdir -p include/linux include/config |
| $(Q)$(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. |
| |
| # Additional helpers built in scripts/ |
| # Carefully list dependencies so we do not try to build scripts twice |
| # in parallel |
| PHONY += scripts |
| scripts: scripts_basic include/config/auto.conf include/config/tristate.conf |
| $(Q)$(MAKE) $(build)=$(@) |
| |
| # Objects we will link into mosys / subdirs we need to visit |
| #drivers-y := drivers/ sound/ firmware/ |
| #libs-y := lib/ |
| #core-y := usr/ |
| drivers-y := |
| libs-y := |
| tools-y := tools/ |
| #FIXME: Clean up core-y |
| core-y := core/ intf/ drivers/ platform/ lib/ $(tools-y) |
| |
| # Tools that are compiled separately |
| |
| ifeq ($(dot-config),1) |
| # Read in config |
| -include include/config/auto.conf |
| |
| # Read in dependencies to all Kconfig* files, make sure to run |
| # oldconfig if changes are detected. |
| -include include/config/auto.conf.cmd |
| |
| # To avoid any implicit rule to kick in, define an empty command |
| $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ; |
| |
| # 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 silentoldconfig |
| |
| else |
| # Dummy target needed, because used as prerequisite |
| include/config/auto.conf: ; |
| endif # $(dot-config) |
| |
| # 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 the primary program |
| all: libcheck include/config/auto.conf $(PROGRAM) |
| |
| # warn about C99 declaration after statement |
| KBUILD_CFLAGS += $(call cc-option,-Wdeclaration-after-statement,) |
| |
| # disable pointer signed / unsigned warnings in gcc 4.0 |
| KBUILD_CFLAGS += $(call cc-option,-Wno-pointer-sign,) |
| |
| # disable invalid "can't wrap" optimizations for signed / pointers |
| KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow) |
| |
| # revert to pre-gcc-4.4 behaviour of .eh_frame |
| KBUILD_CFLAGS += $(call cc-option,-fno-dwarf2-cfi-asm) |
| |
| # conserve stack if available |
| KBUILD_CFLAGS += $(call cc-option,-fconserve-stack) |
| |
| # add extra debugging |
| ifdef CONFIG_DEBUG_INFO |
| KBUILD_CFLAGS += -g |
| KBUILD_AFLAGS += -gdwarf-2 |
| endif |
| |
| # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments |
| # But warn user when we do so |
| warn-assign = \ |
| $(warning "WARNING: Appending $$K$(1) ($(K$(1))) from $(origin K$(1)) to kernel $$$(1)") |
| |
| ifneq ($(KCPPFLAGS),) |
| $(call warn-assign,CPPFLAGS) |
| KBUILD_CPPFLAGS += $(KCPPFLAGS) |
| endif |
| ifneq ($(KAFLAGS),) |
| $(call warn-assign,AFLAGS) |
| KBUILD_AFLAGS += $(KAFLAGS) |
| endif |
| ifneq ($(KCFLAGS),) |
| $(call warn-assign,CFLAGS) |
| KBUILD_CFLAGS += $(KCFLAGS) |
| endif |
| |
| # Use --build-id when available. |
| LDFLAGS_BUILD_ID = $(patsubst -Wl$(comma)%,%,\ |
| $(call cc-ldoption, -Wl$(comma)--build-id,)) |
| LDFLAGS_VMLINUX += $(LDFLAGS_BUILD_ID) |
| |
| # Default kernel image to build when no specific target is given. |
| # KBUILD_IMAGE may be overruled on the command line or |
| # set in the environment |
| # Also any assignments in arch/$(ARCH)/Makefile take precedence over |
| # this default value |
| export KBUILD_IMAGE ?= vmlinux |
| |
| # |
| # INSTALL_MOD_PATH specifies a prefix to MODLIB for module directory |
| # relocations required by build roots. This is not defined in the |
| # makefile but the argument can be passed to make if needed. |
| # |
| |
| MODLIB = $(INSTALL_MOD_PATH)/lib/modules/$(KERNELRELEASE) |
| export MODLIB |
| |
| #core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ |
| # |
| #vmlinux-dirs := $(patsubst %/,%,$(filter %/, \ |
| # $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ |
| # $(libs-y) $(libs-m))) |
| # |
| #vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \ |
| # $(init-n) $(init-) \ |
| # $(core-n) $(core-) $(drivers-n) $(drivers-) \ |
| # $(net-n) $(net-) $(libs-n) $(libs-)))) |
| # |
| #core-y := $(patsubst %/, %/built-in.o, $(core-y)) |
| #drivers-y := $(patsubst %/, %/built-in.o, $(drivers-y)) |
| #libs-y1 := $(patsubst %/, %/lib.a, $(libs-y)) |
| #libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y)) |
| #libs-y := $(libs-y1) $(libs-y2) |
| core-y += |
| |
| vmlinux-dirs := $(patsubst %/,%,$(filter %/, \ |
| $(core-y) $(drivers-y) $(libs-y) )) |
| |
| vmlinux-alldirs := $(sort $(vmlinux-dirs) $(patsubst %/,%,$(filter %/, \ |
| $(core-n) $(core-) $(drivers-n) $(drivers-) \ |
| $(libs-n) $(libs-)))) |
| |
| core-y := $(patsubst %/, %/built-in.o, $(core-y)) |
| drivers-y := $(patsubst %/, %/built-in.o, $(drivers-y)) |
| libs-y1 := $(patsubst %/, %/lib.a, $(libs-y)) |
| libs-y2 := $(patsubst %/, %/built-in.o, $(libs-y)) |
| libs-y := $(libs-y1) $(libs-y2) |
| |
| # Build vmlinux |
| # --------------------------------------------------------------------------- |
| # vmlinux is built from the objects selected by $(vmlinux-init) and |
| # $(vmlinux-main). Most are built-in.o files from top-level directories |
| # in the kernel tree, others are specified in arch/$(ARCH)/Makefile. |
| # Ordering when linking is important, and $(vmlinux-init) must be first. |
| # |
| # vmlinux |
| # ^ |
| # | |
| # +-< $(vmlinux-init) |
| # | +--< init/version.o + more |
| # | |
| # +--< $(vmlinux-main) |
| # | +--< driver/built-in.o mm/built-in.o + more |
| # | |
| # +-< kallsyms.o (see description in CONFIG_KALLSYMS section) |
| # |
| # vmlinux version (uname -v) cannot be updated during normal |
| # descending-into-subdirs phase since we do not yet know if we need to |
| # update vmlinux. |
| # Therefore this step is delayed until just before final link of vmlinux - |
| # except in the kallsyms case where it is done just before adding the |
| # symbols to the kernel. |
| # |
| # System.map is generated to document addresses of all kernel symbols |
| |
| vmlinux-main := $(core-y) $(libs-y) $(drivers-y) |
| vmlinux-all := $(vmlinux-main) |
| vmlinux-lds := |
| export KBUILD_VMLINUX_OBJS := $(vmlinux-all) |
| |
| # Rule to link vmlinux - also used during CONFIG_KALLSYMS |
| # May be overridden by arch/$(ARCH)/Makefile |
| quiet_cmd_vmlinux__ ?= LD $@ |
| cmd_vmlinux__ ?= $(LD) $(LDFLAGS) $(LDFLAGS_VMLINUX) -o $@ \ |
| -T $(vmlinux-lds) \ |
| --start-group $(vmlinux-main) --end-group \ |
| $(filter-out $(vmlinux-lds) $(vmlinux-main) vmlinux.o FORCE ,$^) |
| |
| # Generate new vmlinux version |
| quiet_cmd_vmlinux_version = GEN .version |
| cmd_vmlinux_version = set -e; \ |
| if [ ! -r .version ]; then \ |
| rm -f .version; \ |
| echo 1 >.version; \ |
| else \ |
| mv .version .old_version; \ |
| expr 0$$(cat .old_version) + 1 >.version; \ |
| fi; \ |
| $(MAKE) $(build)=init |
| |
| # Generate System.map |
| quiet_cmd_sysmap = SYSMAP |
| cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap |
| |
| # Link of vmlinux |
| # If CONFIG_KALLSYMS is set .version is already updated |
| # Generate System.map and verify that the content is consistent |
| # Use + in front of the vmlinux_version rule to silent warning with make -j2 |
| # First command is ':' to allow us to use + in front of the rule |
| define rule_vmlinux__ |
| : |
| $(call cmd,vmlinux__) |
| $(Q)echo 'cmd_$@ := $(cmd_vmlinux__)' > $(@D)/.$(@F).cmd |
| |
| $(Q)$(if $($(quiet)cmd_sysmap), \ |
| echo ' $($(quiet)cmd_sysmap) System.map' &&) \ |
| $(cmd_sysmap) $@ System.map; \ |
| if [ $$? -ne 0 ]; then \ |
| rm -f $@; \ |
| /bin/false; \ |
| fi; |
| endef |
| |
| # The actual objects are generated when descending, |
| # make sure no implicit rule kicks in |
| $(sort $(vmlinux-main)) $(vmlinux-lds): $(vmlinux-dirs) ; |
| |
| # Handle descending into subdirectories listed in $(vmlinux-dirs) |
| # Preset locale variables to speed up the build process. Limit locale |
| # tweaks to this spot to avoid wrong language settings when running |
| # make menuconfig etc. |
| # Error messages still appears in the original language |
| |
| PHONY += $(vmlinux-dirs) |
| $(vmlinux-dirs): prepare scripts |
| $(Q)$(MAKE) $(build)=$@ |
| |
| CC_LDFLAGS = $(patsubst %,-Wl$(comma)%,$(LDFLAGS)) |
| |
| $(PROGRAM): $(vmlinux-all) |
| $(Q)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CC_LDFLAGS) $(MOSYS_MACROS) \ |
| $(LINUXINCLUDE) -o $@ $@.c $? $(LDLIBS) |
| |
| VPD_ENCODE_DEFCONFIG := "vpd_encode.config" |
| VPD_ENCODE_MACROS := -DPROGRAM=\"vpd_encode\" \ |
| -DVERSION=\"$(RELEASENAME)\" \ |
| -DVPD_ENCODE_CONFIG=\"$(VPD_ENCODE_DEFCONFIG)\" |
| |
| # FIXME: should only depend on libs/ being a prerequisite |
| vpd_encode: $(core-y) $(libs-y) |
| $(Q)$(CC) $(CFLAGS) $(VPD_ENCODE_MACROS) \ |
| $(EXTRA_CFLAGS) $(LDFLAGS) -Itools/vpd_encode $(LINUXINCLUDE) \ |
| -o $@ tools/vpd_encode/$@.c $? $(LDLIBS) |
| $(Q)cp .config $(VPD_ENCODE_DEFCONFIG) |
| $(Q)echo vpd_encode config file saved as "$(VPD_ENCODE_DEFCONFIG)" |
| |
| TOOLS += vpd_encode |
| |
| # Build the kernel release string |
| # |
| # The KERNELRELEASE value built here is stored in the file |
| # include/config/kernel.release, and is used when executing several |
| # make targets, such as "make install" or "make modules_install." |
| # |
| # The eventual kernel release string consists of the following fields, |
| # shown in a hierarchical format to show how smaller parts are concatenated |
| # to form the larger and final value, with values coming from places like |
| # the Makefile, kernel config options, make command line options and/or |
| # SCM tag information. |
| # |
| # $(KERNELVERSION) |
| # $(VERSION) eg, 2 |
| # $(PATCHLEVEL) eg, 6 |
| # $(SUBLEVEL) eg, 18 |
| # $(EXTRAVERSION) eg, -rc6 |
| # $(localver-full) |
| # $(localver) |
| # localversion* (files without backups, containing '~') |
| # $(CONFIG_LOCALVERSION) (from kernel config setting) |
| # $(localver-auto) (only if CONFIG_LOCALVERSION_AUTO is set) |
| # ./scripts/setlocalversion (SCM tag, if one exists) |
| # $(LOCALVERSION) (from make command line if provided) |
| # |
| # Note how the final $(localver-auto) string is included *only* if the |
| # kernel config option CONFIG_LOCALVERSION_AUTO is selected. Also, at the |
| # moment, only git is supported but other SCMs can edit the script |
| # scripts/setlocalversion and add the appropriate checks as needed. |
| |
| pattern = ".*/localversion[^~]*" |
| string = $(shell cat /dev/null \ |
| `find $(objtree) $(srctree) -maxdepth 1 -regex $(pattern) | sort -u`) |
| |
| localver = $(subst $(space),, $(string) \ |
| $(patsubst "%",%,$(CONFIG_LOCALVERSION))) |
| |
| # If CONFIG_LOCALVERSION_AUTO is set scripts/setlocalversion is called |
| # and if the SCM is know a tag from the SCM is appended. |
| # The appended tag is determined by the SCM used. |
| # |
| # .scmversion is used when generating rpm packages so we do not loose |
| # the version information from the SCM when we do the build of the kernel |
| # from the copied source |
| ifdef CONFIG_LOCALVERSION_AUTO |
| |
| ifeq ($(wildcard .scmversion),) |
| _localver-auto = $(shell $(CONFIG_SHELL) \ |
| $(srctree)/scripts/setlocalversion $(srctree)) |
| else |
| _localver-auto = $(shell cat .scmversion 2> /dev/null) |
| endif |
| |
| localver-auto = $(LOCALVERSION)$(_localver-auto) |
| endif |
| |
| localver-full = $(localver)$(localver-auto) |
| |
| # Store (new) KERNELRELASE string in include/config/kernel.release |
| kernelrelease = $(KERNELVERSION)$(localver-full) |
| include/config/kernel.release: include/config/auto.conf FORCE |
| $(Q)rm -f $@ |
| $(Q)echo $(kernelrelease) > $@ |
| |
| |
| # 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. |
| # version.h and scripts_basic is processed / created. |
| |
| # Listed in dependency order |
| PHONY += prepare prepare0 prepare1 prepare2 prepare3 |
| |
| # prepare2 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 $(srctree) |
| prepare2: include/config/kernel.release |
| ifneq ($(KBUILD_SRC),) |
| @$(kecho) ' Using $(srctree) as source for kernel' |
| $(Q)if [ -f $(srctree)/.config -o -d $(srctree)/include/config ]; then \ |
| echo " $(srctree) is not clean, please run 'make mrproper'";\ |
| echo " in the '$(srctree)' directory.";\ |
| /bin/false; \ |
| fi; |
| endif |
| |
| prepare1: prepare2 include/linux/version.h \ |
| include/config/auto.conf |
| |
| prepare0: FORCE |
| $(Q)$(MAKE) $(build)=. |
| |
| # All the preparing.. |
| prepare: prepare0 |
| |
| # Generate some files |
| # --------------------------------------------------------------------------- |
| |
| # KERNELRELEASE can change from a few different places, meaning version.h |
| # needs to be updated, so this check is forced on all builds |
| |
| uts_len := 64 |
| |
| define filechk_version.h |
| (echo \#define LINUX_VERSION_CODE $(shell \ |
| expr $(VERSION) \* 65536 + $(PATCHLEVEL) \* 256 + $(SUBLEVEL)); \ |
| echo '#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))';) |
| endef |
| |
| include/linux/version.h: $(srctree)/Makefile FORCE |
| $(call filechk,version.h) |
| |
| # make clean Delete most generated files |
| # Leave enough to build external modules |
| |
| # Directories & files removed with 'make clean' |
| CLEAN_DIRS += $(MODVERDIR) |
| CLEAN_FILES += $(PROGRAM) $(TESTPROGRAM) $(TOOLS) |
| |
| # clean - Delete most, but leave enough to build external modules |
| # |
| clean: rm-dirs := $(CLEAN_DIRS) |
| clean: rm-files := $(CLEAN_FILES) |
| clean-dirs := $(addprefix _clean_,$(srctree) $(vmlinux-alldirs)) |
| |
| PHONY += $(clean-dirs) clean |
| $(clean-dirs): |
| $(Q)$(MAKE) $(clean)=$(patsubst _clean_%,%,$@) |
| |
| # Note: Cmockery uses an html file for documentation, so we need |
| # to be careful not to delete it along with lcov generated files. |
| lcov-clean: |
| @find . $(RCS_FIND_IGNORE) $(CMOCKERY_FIND_IGNORE) \ |
| \( -name '*.css' -o -name '*.gcda' -o -name '*.png' \ |
| -o -name '*.css' -o -name '*.info' -o -name '*.html' \) \ |
| -type f -print | xargs rm -f |
| @rm -rf $(GENHTML_OUTPUT_DIR)/ |
| |
| cmockery-clean: |
| $(shell if [ -e $(CMOCKERY_PATH)/Makefile ]; then \ |
| make -C $(CMOCKERY_PATH) clean >/dev/null; \ |
| fi) |
| |
| clean: $(clean-dirs) lcov-clean cmockery-clean |
| $(call cmd,rmdirs) |
| $(call cmd,rmfiles) |
| @find . $(RCS_FIND_IGNORE) \ |
| \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ |
| -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ |
| -o -name '*.symtypes' -o -name 'modules.order' \ |
| -o -name modules.builtin -o -name '.tmp_*.o.*' \ |
| -o -name '*.gcno' \) -type f -print | xargs rm -f |
| |
| # Brief documentation of the typical targets used |
| # --------------------------------------------------------------------------- |
| |
| boards := $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*_defconfig) |
| boards := $(notdir $(boards)) |
| board-dirs := $(dir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/*/*_defconfig)) |
| board-dirs := $(sort $(notdir $(board-dirs:/=))) |
| |
| help: |
| @echo 'Cleaning targets:' |
| @echo ' clean - Remove most generated files but keep the config and' |
| @echo ' enough build support to build external modules' |
| @echo '' |
| @echo 'Configuration targets:' |
| @$(MAKE) -f $(srctree)/scripts/kconfig/Makefile help |
| @echo '' |
| @echo 'Other generic targets:' |
| @echo ' all - Build all targets marked with [*]' |
| @echo ' install - Install $(PROGRAM) to $(INSTALL_PATH)' |
| @echo ' export - Copy source code without VCS metadata' |
| @echo ' dir/ - Build all files in dir and below' |
| @echo ' dir/file.[ois] - Build specified target only' |
| @echo ' kernelrelease - Output the release version string' |
| @echo ' kernelversion - Output the version stored in Makefile' |
| @echo '' |
| @echo '' |
| @echo 'Architecture specific targets ($(SRCARCH)):' |
| @$(if $(archhelp),$(archhelp),\ |
| echo ' No architecture specific help defined for $(SRCARCH)') |
| @echo '' |
| @$(if $(boards), \ |
| $(foreach b, $(boards), \ |
| printf " %-24s - Build for %s\\n" $(b) $(subst _defconfig,,$(b));) \ |
| echo '') |
| @$(if $(board-dirs), \ |
| $(foreach b, $(board-dirs), \ |
| printf " %-16s - Show %s-specific targets\\n" help-$(b) $(b);) \ |
| 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 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 '' |
| @echo 'Execute "make" or "make all" to build all targets marked with [*] ' |
| @echo 'For further info see the ./README file' |
| |
| |
| help-board-dirs := $(addprefix help-,$(board-dirs)) |
| |
| help-boards: $(help-board-dirs) |
| |
| boards-per-dir = $(notdir $(wildcard $(srctree)/arch/$(SRCARCH)/configs/$*/*_defconfig)) |
| |
| $(help-board-dirs): help-%: |
| @echo 'Architecture specific targets ($(SRCARCH) $*):' |
| @$(if $(boards-per-dir), \ |
| $(foreach b, $(boards-per-dir), \ |
| printf " %-24s - Build for %s\\n" $*/$(b) $(subst _defconfig,,$(b));) \ |
| echo '') |
| |
| # Scripts to check various things for consistency |
| # --------------------------------------------------------------------------- |
| |
| endif #ifeq ($(config-targets),1) |
| endif #ifeq ($(mixed-targets),1) |
| |
| PHONY += kernelrelease kernelversion |
| |
| kernelrelease: |
| $(if $(wildcard include/config/kernel.release), $(Q)echo $(KERNELRELEASE), \ |
| $(error kernelrelease not valid - run 'make prepare' to update it)) |
| kernelversion: |
| @echo $(KERNELVERSION) |
| |
| # 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-dir = $(patsubst %/,%,$(dir $@)) |
| target-dir = $(dir $@) |
| |
| %.s: %.c prepare scripts FORCE |
| $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
| %.i: %.c prepare scripts FORCE |
| $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
| %.o: %.c prepare scripts FORCE |
| $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
| %.lst: %.c prepare scripts FORCE |
| $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
| %.s: %.S prepare scripts FORCE |
| $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
| %.o: %.S prepare scripts FORCE |
| $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
| %.symtypes: %.c prepare scripts FORCE |
| $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) |
| |
| # 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 = \ |
| if [ -r System.map -a -x $(DEPMOD) ]; then \ |
| $(DEPMOD) -ae -F System.map \ |
| $(if $(strip $(INSTALL_MOD_PATH)), -b $(INSTALL_MOD_PATH) ) \ |
| $(KERNELRELEASE); \ |
| fi |
| |
| a_flags = -Wp,-MD,$(depfile) $(KBUILD_AFLAGS) $(AFLAGS_KERNEL) \ |
| $(LINUXINCLUDE) $(KBUILD_CPPFLAGS) \ |
| $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o) |
| |
| quiet_cmd_as_o_S = AS $@ |
| cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $< |
| |
| # read all saved command lines |
| |
| targets := $(wildcard $(sort $(targets))) |
| cmd_files := $(wildcard .*.cmd $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd)) |
| |
| ifneq ($(cmd_files),) |
| $(cmd_files): ; # Do not try to update included dependency files |
| include $(cmd_files) |
| endif |
| |
| # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=dir |
| # Usage: |
| # $(Q)$(MAKE) $(clean)=dir |
| clean := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.clean obj |
| |
| endif # skip-makefile |
| |
| PHONY += FORCE |
| FORCE: |
| |
| PHONY += install |
| install: $(PROGRAM) |
| mkdir -p $(INSTALL_PATH) |
| # mkdir -p $(MANDIR)/man8 |
| $(INSTALL) -m 0755 $(PROGRAM) $(INSTALL_PATH) |
| # $(INSTALL) -m 0644 $(PROGRAM).8 $(MANDIR)/man8 |
| |
| PHONY += export |
| export: |
| @rm -rf $(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME) |
| @svn export -r BASE . $(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME) |
| @sed "s/^SVNVERSION.*/SVNVERSION := $(SVNVERSION)/" Makefile >$(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME)/Makefile |
| @LC_ALL=C svn log >$(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME)/ChangeLog |
| @echo Exported $(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME)/ |
| |
| PHONY += tarball |
| # TAROPTIONS reduces information leakage from the packager's system. |
| # If other tar programs support command line arguments for setting uid/gid of |
| # stored files, they can be handled here as well. |
| TAROPTIONS = $(shell LC_ALL=C tar --version|grep -q GNU && echo "--owner=root --group=root") |
| tarball: export |
| @tar cjf $(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME).tar.bz2 -C $(EXPORTDIR)/ $(TAROPTIONS) $(PROGRAM)-$(RELEASENAME)/ |
| @rm -rf $(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME) |
| @echo Created $(EXPORTDIR)/$(PROGRAM)-$(RELEASENAME).tar.bz2 |
| |
| libcmockery.a: |
| @echo "Configuring cmockery..." |
| $(Q)cd $(CMOCKERY_PATH) && ./configure >/dev/null && cd - |
| @echo Building cmockery. |
| $(Q)make --quiet -C $(CMOCKERY_PATH) |
| ar rcs $@ $(CMOCKERY_PATH)/libcmockery_la-cmockery.o |
| |
| PHONY += test |
| test: UNITTEST=y |
| test: CFLAGS += $(CFLAGS_GCOV) |
| test: KBUILD_CFLAGS+= $(CFLAGS_GCOV) |
| test: LINUXINCLUDE += $(CMOCKERY_INCLUDE) |
| test: MOSYS_MACROS += -DUNITTEST_DATA=\"$(UNITTEST_DATA)\" |
| test: $(vmlinux-all) libcmockery.a |
| lcov --directory . --zerocounters |
| $(Q)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $(LDLIBS) $(CFLAGS_GCOV) \ |
| $(MOSYS_MACROS) $(LINUXINCLUDE) -o $(TESTPROGRAM) $(TESTPROGRAM).c $? |
| @echo "Running $(TESTPROGRAM)" |
| ./$(TESTPROGRAM) |
| lcov -b $(shell pwd) --directory . --capture \ |
| --output-file $(TESTPROGRAM).info --test-name $(TESTPROGRAM) |
| genhtml -o $(GENHTML_OUTPUT_DIR)/ $(TESTPROGRAM).info |
| @echo "Check results in $(GENHTML_OUTPUT_DIR)/index.html" |
| |
| define LIBUUID_TEST |
| #include <uuid/uuid.h> |
| int main(void) |
| { |
| uuid_t uuid; |
| uuid_parse("88888888-4444-4444-4444-121212121212", uuid); |
| return 0; |
| } |
| endef |
| export LIBUUID_TEST |
| |
| test_libuuid: |
| @echo "Testing libuuid..." |
| @echo "$$LIBUUID_TEST" > .uuid_test.c |
| @$(CC) $(CFLAGS) $(CC_LDFLAGS) -o .uuid_test .uuid_test.c -luuid >/dev/null 2>&1 && \ |
| echo "libuuid test passed." || \ |
| ( echo "libuuid test failed. Please install libuuid" ; exit 1) |
| @rm -f .uuid_test.c .uuid_test |
| |
| define LIBFMAP_TEST |
| #include <inttypes.h> |
| #include <fmap.h> |
| int main(void) |
| { |
| struct fmap *fmap = fmap_create(0, 0, (uint8_t *)"test"); |
| fmap_destroy(fmap); |
| return 0; |
| } |
| endef |
| export LIBFMAP_TEST |
| |
| test_libfmap: |
| @echo "Testing libfmap..." |
| @echo "$$LIBFMAP_TEST" > .fmap_test.c |
| @$(CC) $(CFLAGS) $(CC_LDFLAGS) -o .fmap_test .fmap_test.c $(FMAP_LINKOPT) >/dev/null 2>&1 && \ |
| echo "libfmap test passed." || \ |
| ( echo "libfmap test failed. Please install libfmap (http://flashmap.googlecode.com)"; exit 1 ) |
| @rm -f .fmap_test.c .fmap_test |
| |
| libcheck: test_libuuid test_libfmap |
| |
| # 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) |