| # |
| # Makefile for the linux kernel. |
| # |
| |
| obj-y = fork.o exec_domain.o panic.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 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 reboot.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/ |
| obj-y += printk/ |
| obj-y += cpu/ |
| obj-y += irq/ |
| |
| obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o |
| obj-$(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-$(CONFIG_MODULE_SIG) += module_signing.o modsign_pubkey.o modsign_certificate.o |
| obj-$(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_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-$(CONFIG_JUMP_LABEL) += jump_label.o |
| obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.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_hzfile = HZFILE $@ |
| cmd_hzfile = echo "hz=$(CONFIG_HZ)" > $@ |
| |
| targets += hz.bc |
| $(obj)/hz.bc: $(objtree)/include/config/hz.h FORCE |
| $(call if_changed,hzfile) |
| |
| quiet_cmd_bc = BC $@ |
| cmd_bc = bc -q $(filter-out FORCE,$^) > $@ |
| |
| targets += timeconst.h |
| $(obj)/timeconst.h: $(obj)/hz.bc $(src)/timeconst.bc FORCE |
| $(call if_changed,bc) |
| |
| ifeq ($(CONFIG_MODULE_SIG),y) |
| # |
| # Pull the signing certificate and any extra certificates into the kernel |
| # |
| |
| quiet_cmd_touch = TOUCH $@ |
| cmd_touch = touch $@ |
| |
| extra_certificates: |
| $(call cmd,touch) |
| |
| kernel/modsign_certificate.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. |
| # |
| ############################################################################### |
| ifndef CONFIG_MODULE_SIG_HASH |
| $(error Could not determine digest type to use from kernel config) |
| endif |
| |
| signing_key.priv signing_key.x509: x509.genkey |
| @echo "###" |
| @echo "### Now generating an X.509 key pair to be used for signing modules." |
| @echo "###" |
| @echo "### If this takes a long time, you might wish to run rngd in the" |
| @echo "### background to keep the supply of entropy topped up. It" |
| @echo "### needs to be run as root, and uses a hardware random" |
| @echo "### number generator if one is available." |
| @echo "###" |
| openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \ |
| -batch -x509 -config x509.genkey \ |
| -outform DER -out signing_key.x509 \ |
| -keyout signing_key.priv 2>&1 |
| @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 |