[deliverable/linux.git] / kernel / Makefile

#
# Makefile for the linux kernel.
#

obj-y     = fork.o exec_domain.o panic.o printk.o \
	    cpu.o exit.o itimer.o time.o softirq.o resource.o \
	    sysctl.o sysctl_binary.o capability.o ptrace.o timer.o user.o \
	    signal.o sys.o kmod.o workqueue.o pid.o task_work.o \
	    rcupdate.o extable.o params.o posix-timers.o \
	    kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
	    hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
	    notifier.o ksysfs.o cred.o \
	    async.o range.o groups.o lglock.o smpboot.o

ifdef CONFIG_FUNCTION_TRACER
# Do not trace debug files and internal ftrace files
CFLAGS_REMOVE_lockdep.o = -pg
CFLAGS_REMOVE_lockdep_proc.o = -pg
CFLAGS_REMOVE_mutex-debug.o = -pg
CFLAGS_REMOVE_rtmutex-debug.o = -pg
CFLAGS_REMOVE_cgroup-debug.o = -pg
CFLAGS_REMOVE_irq_work.o = -pg
endif

obj-y += sched/
obj-y += power/

ifeq ($(CONFIG_CHECKPOINT_RESTORE),y)
obj-$(CONFIG_X86) += kcmp.o
endif
obj-$(CONFIG_FREEZER) += freezer.o
obj-$(CONFIG_PROFILING) += profile.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-y += time/
obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
obj-$(CONFIG_LOCKDEP) += lockdep.o
ifeq ($(CONFIG_PROC_FS),y)
obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
endif
obj-$(CONFIG_FUTEX) += futex.o
ifeq ($(CONFIG_COMPAT),y)
obj-$(CONFIG_FUTEX) += futex_compat.o
endif
obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
obj-$(CONFIG_SMP) += smp.o
ifneq ($(CONFIG_SMP),y)
obj-y += up.o
endif
obj-$(CONFIG_SMP) += spinlock.o
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
obj-$(CONFIG_UID16) += uid16.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_MODULE_SIG) += module_signing.o modsign_pubkey.o
obj-$(CONFIG_KALLSYMS) += kallsyms.o
obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
obj-$(CONFIG_KEXEC) += kexec.o
obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
obj-$(CONFIG_COMPAT) += compat.o
obj-$(CONFIG_CGROUPS) += cgroup.o
obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
obj-$(CONFIG_CPUSETS) += cpuset.o
obj-$(CONFIG_UTS_NS) += utsname.o
obj-$(CONFIG_USER_NS) += user_namespace.o
obj-$(CONFIG_PID_NS) += pid_namespace.o
obj-$(CONFIG_IKCONFIG) += configs.o
obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o
obj-$(CONFIG_SMP) += stop_machine.o
obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o
obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
obj-$(CONFIG_GCOV_KERNEL) += gcov/
obj-$(CONFIG_KPROBES) += kprobes.o
obj-$(CONFIG_KGDB) += debug/
obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
obj-$(CONFIG_SECCOMP) += seccomp.o
obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
obj-$(CONFIG_TREE_RCU) += rcutree.o
obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o
obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o
obj-$(CONFIG_TINY_RCU) += rcutiny.o
obj-$(CONFIG_TINY_PREEMPT_RCU) += rcutiny.o
obj-$(CONFIG_RELAY) += relay.o
obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
obj-$(CONFIG_LATENCYTOP) += latencytop.o
obj-$(CONFIG_BINFMT_ELF) += elfcore.o
obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
obj-$(CONFIG_FUNCTION_TRACER) += trace/
obj-$(CONFIG_TRACING) += trace/
obj-$(CONFIG_TRACE_CLOCK) += trace/
obj-$(CONFIG_RING_BUFFER) += trace/
obj-$(CONFIG_TRACEPOINTS) += trace/
obj-$(CONFIG_IRQ_WORK) += irq_work.o
obj-$(CONFIG_CPU_PM) += cpu_pm.o

obj-$(CONFIG_PERF_EVENTS) += events/

obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
obj-$(CONFIG_PADATA) += padata.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o

$(obj)/configs.o: $(obj)/config_data.h

# config_data.h contains the same information as ikconfig.h but gzipped.
# Info from config_data can be extracted from /proc/config*
targets += config_data.gz
$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
	$(call if_changed,gzip)

      filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;")
targets += config_data.h
$(obj)/config_data.h: $(obj)/config_data.gz FORCE
	$(call filechk,ikconfiggz)

$(obj)/time.o: $(obj)/timeconst.h

quiet_cmd_timeconst  = TIMEC   $@
      cmd_timeconst  = $(PERL) $< $(CONFIG_HZ) > $@
targets += timeconst.h
$(obj)/timeconst.h: $(src)/timeconst.pl FORCE
	$(call if_changed,timeconst)

ifeq ($(CONFIG_MODULE_SIG),y)
#
# Pull the signing certificate and any extra certificates into the kernel
#
extra_certificates:
	touch $@

kernel/modsign_pubkey.o: signing_key.x509 extra_certificates

###############################################################################
#
# If module signing is requested, say by allyesconfig, but a key has not been
# supplied, then one will need to be generated to make sure the build does not
# fail and that the kernel may be used afterwards.
#
###############################################################################
sign_key_with_hash :=
ifeq ($(CONFIG_MODULE_SIG_SHA1),y)
sign_key_with_hash := -sha1
endif
ifeq ($(CONFIG_MODULE_SIG_SHA224),y)
sign_key_with_hash := -sha224
endif
ifeq ($(CONFIG_MODULE_SIG_SHA256),y)
sign_key_with_hash := -sha256
endif
ifeq ($(CONFIG_MODULE_SIG_SHA384),y)
sign_key_with_hash := -sha384
endif
ifeq ($(CONFIG_MODULE_SIG_SHA512),y)
sign_key_with_hash := -sha512
endif
ifeq ($(sign_key_with_hash),)
$(error Could not determine digest type to use from kernel config)
endif

signing_key.priv signing_key.x509: x509.genkey
	@echo "###"
	@echo "### Now generating an X.509 key pair to be used for signing modules."
	@echo "###"
	@echo "### If this takes a long time, you might wish to run rngd in the"
	@echo "### background to keep the supply of entropy topped up.  It"
	@echo "### needs to be run as root, and should use a hardware random"
	@echo "### number generator if one is available, eg:"
	@echo "###"
	@echo "###     rngd -r /dev/hwrandom"
	@echo "###"
	openssl req -new -nodes -utf8 $(sign_key_with_hash) -days 36500 -batch \
		-x509 -config x509.genkey \
		-outform DER -out signing_key.x509 \
		-keyout signing_key.priv
	@echo "###"
	@echo "### Key pair generated."
	@echo "###"

x509.genkey:
	@echo Generating X.509 key generation config
	@echo  >x509.genkey "[ req ]"
	@echo >>x509.genkey "default_bits = 4096"
	@echo >>x509.genkey "distinguished_name = req_distinguished_name"
	@echo >>x509.genkey "prompt = no"
	@echo >>x509.genkey "string_mask = utf8only"
	@echo >>x509.genkey "x509_extensions = myexts"
	@echo >>x509.genkey
	@echo >>x509.genkey "[ req_distinguished_name ]"
	@echo >>x509.genkey "O = Magrathea"
	@echo >>x509.genkey "CN = Glacier signing key"
	@echo >>x509.genkey "emailAddress = slartibartfast@magrathea.h2g2"
	@echo >>x509.genkey
	@echo >>x509.genkey "[ myexts ]"
	@echo >>x509.genkey "basicConstraints=critical,CA:FALSE"
	@echo >>x509.genkey "keyUsage=digitalSignature"
	@echo >>x509.genkey "subjectKeyIdentifier=hash"
	@echo >>x509.genkey "authorityKeyIdentifier=keyid"
endif
Commit	Line	Data
	1	#
	2	# Makefile for the linux kernel.
	3	#
	4
	5	obj-y = fork.o exec_domain.o panic.o printk.o \
	6	cpu.o exit.o itimer.o time.o softirq.o resource.o \
	7	sysctl.o sysctl_binary.o capability.o ptrace.o timer.o user.o \
	8	signal.o sys.o kmod.o workqueue.o pid.o task_work.o \
	9	rcupdate.o extable.o params.o posix-timers.o \
	10	kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
	11	hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
	12	notifier.o ksysfs.o cred.o \
	13	async.o range.o groups.o lglock.o smpboot.o
	14
	15	ifdef CONFIG_FUNCTION_TRACER
	16	# Do not trace debug files and internal ftrace files
	17	CFLAGS_REMOVE_lockdep.o = -pg
	18	CFLAGS_REMOVE_lockdep_proc.o = -pg
	19	CFLAGS_REMOVE_mutex-debug.o = -pg
	20	CFLAGS_REMOVE_rtmutex-debug.o = -pg
	21	CFLAGS_REMOVE_cgroup-debug.o = -pg
	22	CFLAGS_REMOVE_irq_work.o = -pg
	23	endif
	24
	25	obj-y += sched/
	26	obj-y += power/
	27
	28	ifeq ($(CONFIG_CHECKPOINT_RESTORE),y)
	29	obj-$(CONFIG_X86) += kcmp.o
	30	endif
	31	obj-$(CONFIG_FREEZER) += freezer.o
	32	obj-$(CONFIG_PROFILING) += profile.o
	33	obj-$(CONFIG_STACKTRACE) += stacktrace.o
	34	obj-y += time/
	35	obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o
	36	obj-$(CONFIG_LOCKDEP) += lockdep.o
	37	ifeq ($(CONFIG_PROC_FS),y)
	38	obj-$(CONFIG_LOCKDEP) += lockdep_proc.o
	39	endif
	40	obj-$(CONFIG_FUTEX) += futex.o
	41	ifeq ($(CONFIG_COMPAT),y)
	42	obj-$(CONFIG_FUTEX) += futex_compat.o
	43	endif
	44	obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
	45	obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
	46	obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
	47	obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o
	48	obj-$(CONFIG_SMP) += smp.o
	49	ifneq ($(CONFIG_SMP),y)
	50	obj-y += up.o
	51	endif
	52	obj-$(CONFIG_SMP) += spinlock.o
	53	obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
	54	obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
	55	obj-$(CONFIG_UID16) += uid16.o
	56	obj-$(CONFIG_MODULES) += module.o
	57	obj-$(CONFIG_MODULE_SIG) += module_signing.o modsign_pubkey.o
	58	obj-$(CONFIG_KALLSYMS) += kallsyms.o
	59	obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
	60	obj-$(CONFIG_KEXEC) += kexec.o
	61	obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
	62	obj-$(CONFIG_COMPAT) += compat.o
	63	obj-$(CONFIG_CGROUPS) += cgroup.o
	64	obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
	65	obj-$(CONFIG_CPUSETS) += cpuset.o
	66	obj-$(CONFIG_UTS_NS) += utsname.o
	67	obj-$(CONFIG_USER_NS) += user_namespace.o
	68	obj-$(CONFIG_PID_NS) += pid_namespace.o
	69	obj-$(CONFIG_IKCONFIG) += configs.o
	70	obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o
	71	obj-$(CONFIG_SMP) += stop_machine.o
	72	obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o
	73	obj-$(CONFIG_AUDIT) += audit.o auditfilter.o
	74	obj-$(CONFIG_AUDITSYSCALL) += auditsc.o
	75	obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o
	76	obj-$(CONFIG_AUDIT_TREE) += audit_tree.o
	77	obj-$(CONFIG_GCOV_KERNEL) += gcov/
	78	obj-$(CONFIG_KPROBES) += kprobes.o
	79	obj-$(CONFIG_KGDB) += debug/
	80	obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
	81	obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
	82	obj-$(CONFIG_GENERIC_HARDIRQS) += irq/
	83	obj-$(CONFIG_SECCOMP) += seccomp.o
	84	obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o
	85	obj-$(CONFIG_TREE_RCU) += rcutree.o
	86	obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o
	87	obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o
	88	obj-$(CONFIG_TINY_RCU) += rcutiny.o
	89	obj-$(CONFIG_TINY_PREEMPT_RCU) += rcutiny.o
	90	obj-$(CONFIG_RELAY) += relay.o
	91	obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
	92	obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
	93	obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
	94	obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
	95	obj-$(CONFIG_LATENCYTOP) += latencytop.o
	96	obj-$(CONFIG_BINFMT_ELF) += elfcore.o
	97	obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
	98	obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
	99	obj-$(CONFIG_FUNCTION_TRACER) += trace/
	100	obj-$(CONFIG_TRACING) += trace/
	101	obj-$(CONFIG_TRACE_CLOCK) += trace/
	102	obj-$(CONFIG_RING_BUFFER) += trace/
	103	obj-$(CONFIG_TRACEPOINTS) += trace/
	104	obj-$(CONFIG_IRQ_WORK) += irq_work.o
	105	obj-$(CONFIG_CPU_PM) += cpu_pm.o
	106
	107	obj-$(CONFIG_PERF_EVENTS) += events/
	108
	109	obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o
	110	obj-$(CONFIG_PADATA) += padata.o
	111	obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
	112	obj-$(CONFIG_JUMP_LABEL) += jump_label.o
	113
	114	$(obj)/configs.o: $(obj)/config_data.h
	115
	116	# config_data.h contains the same information as ikconfig.h but gzipped.
	117	# Info from config_data can be extracted from /proc/config*
	118	targets += config_data.gz
	119	$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
	120	$(call if_changed,gzip)
	121
	122	filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< \| scripts/bin2c; echo "MAGIC_END;")
	123	targets += config_data.h
	124	$(obj)/config_data.h: $(obj)/config_data.gz FORCE
	125	$(call filechk,ikconfiggz)
	126
	127	$(obj)/time.o: $(obj)/timeconst.h
	128
	129	quiet_cmd_timeconst = TIMEC $@
	130	cmd_timeconst = $(PERL) $< $(CONFIG_HZ) > $@
	131	targets += timeconst.h
	132	$(obj)/timeconst.h: $(src)/timeconst.pl FORCE
	133	$(call if_changed,timeconst)
	134
	135	ifeq ($(CONFIG_MODULE_SIG),y)
	136	#
	137	# Pull the signing certificate and any extra certificates into the kernel
	138	#
	139	extra_certificates:
	140	touch $@
	141
	142	kernel/modsign_pubkey.o: signing_key.x509 extra_certificates
	143
	144	###############################################################################
	145	#
	146	# If module signing is requested, say by allyesconfig, but a key has not been
	147	# supplied, then one will need to be generated to make sure the build does not
	148	# fail and that the kernel may be used afterwards.
	149	#
	150	###############################################################################
	151	sign_key_with_hash :=
	152	ifeq ($(CONFIG_MODULE_SIG_SHA1),y)
	153	sign_key_with_hash := -sha1
	154	endif
	155	ifeq ($(CONFIG_MODULE_SIG_SHA224),y)
	156	sign_key_with_hash := -sha224
	157	endif
	158	ifeq ($(CONFIG_MODULE_SIG_SHA256),y)
	159	sign_key_with_hash := -sha256
	160	endif
	161	ifeq ($(CONFIG_MODULE_SIG_SHA384),y)
	162	sign_key_with_hash := -sha384
	163	endif
	164	ifeq ($(CONFIG_MODULE_SIG_SHA512),y)
	165	sign_key_with_hash := -sha512
	166	endif
	167	ifeq ($(sign_key_with_hash),)
	168	$(error Could not determine digest type to use from kernel config)
	169	endif
	170
	171	signing_key.priv signing_key.x509: x509.genkey
	172	@echo "###"
	173	@echo "### Now generating an X.509 key pair to be used for signing modules."
	174	@echo "###"
	175	@echo "### If this takes a long time, you might wish to run rngd in the"
	176	@echo "### background to keep the supply of entropy topped up. It"
	177	@echo "### needs to be run as root, and should use a hardware random"
	178	@echo "### number generator if one is available, eg:"
	179	@echo "###"
	180	@echo "### rngd -r /dev/hwrandom"
	181	@echo "###"
	182	openssl req -new -nodes -utf8 $(sign_key_with_hash) -days 36500 -batch \
	183	-x509 -config x509.genkey \
	184	-outform DER -out signing_key.x509 \
	185	-keyout signing_key.priv
	186	@echo "###"
	187	@echo "### Key pair generated."
	188	@echo "###"
	189
	190	x509.genkey:
	191	@echo Generating X.509 key generation config
	192	@echo >x509.genkey "[ req ]"
	193	@echo >>x509.genkey "default_bits = 4096"
	194	@echo >>x509.genkey "distinguished_name = req_distinguished_name"
	195	@echo >>x509.genkey "prompt = no"
	196	@echo >>x509.genkey "string_mask = utf8only"
	197	@echo >>x509.genkey "x509_extensions = myexts"
	198	@echo >>x509.genkey
	199	@echo >>x509.genkey "[ req_distinguished_name ]"
	200	@echo >>x509.genkey "O = Magrathea"
	201	@echo >>x509.genkey "CN = Glacier signing key"
	202	@echo >>x509.genkey "emailAddress = slartibartfast@magrathea.h2g2"
	203	@echo >>x509.genkey
	204	@echo >>x509.genkey "[ myexts ]"
	205	@echo >>x509.genkey "basicConstraints=critical,CA:FALSE"
	206	@echo >>x509.genkey "keyUsage=digitalSignature"
	207	@echo >>x509.genkey "subjectKeyIdentifier=hash"
	208	@echo >>x509.genkey "authorityKeyIdentifier=keyid"
	209	endif