| 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 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 reboot.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 | obj-y += cpu/ |
| 28 | |
| 29 | obj-$(CONFIG_CHECKPOINT_RESTORE) += kcmp.o |
| 30 | obj-$(CONFIG_FREEZER) += freezer.o |
| 31 | obj-$(CONFIG_PROFILING) += profile.o |
| 32 | obj-$(CONFIG_STACKTRACE) += stacktrace.o |
| 33 | obj-y += time/ |
| 34 | obj-$(CONFIG_DEBUG_MUTEXES) += mutex-debug.o |
| 35 | obj-$(CONFIG_LOCKDEP) += lockdep.o |
| 36 | ifeq ($(CONFIG_PROC_FS),y) |
| 37 | obj-$(CONFIG_LOCKDEP) += lockdep_proc.o |
| 38 | endif |
| 39 | obj-$(CONFIG_FUTEX) += futex.o |
| 40 | ifeq ($(CONFIG_COMPAT),y) |
| 41 | obj-$(CONFIG_FUTEX) += futex_compat.o |
| 42 | endif |
| 43 | obj-$(CONFIG_RT_MUTEXES) += rtmutex.o |
| 44 | obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o |
| 45 | obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o |
| 46 | obj-$(CONFIG_GENERIC_ISA_DMA) += dma.o |
| 47 | obj-$(CONFIG_SMP) += smp.o |
| 48 | ifneq ($(CONFIG_SMP),y) |
| 49 | obj-y += up.o |
| 50 | endif |
| 51 | obj-$(CONFIG_SMP) += spinlock.o |
| 52 | obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o |
| 53 | obj-$(CONFIG_PROVE_LOCKING) += spinlock.o |
| 54 | obj-$(CONFIG_UID16) += uid16.o |
| 55 | obj-$(CONFIG_MODULES) += module.o |
| 56 | obj-$(CONFIG_MODULE_SIG) += module_signing.o modsign_pubkey.o modsign_certificate.o |
| 57 | obj-$(CONFIG_KALLSYMS) += kallsyms.o |
| 58 | obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o |
| 59 | obj-$(CONFIG_KEXEC) += kexec.o |
| 60 | obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o |
| 61 | obj-$(CONFIG_COMPAT) += compat.o |
| 62 | obj-$(CONFIG_CGROUPS) += cgroup.o |
| 63 | obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o |
| 64 | obj-$(CONFIG_CPUSETS) += cpuset.o |
| 65 | obj-$(CONFIG_UTS_NS) += utsname.o |
| 66 | obj-$(CONFIG_USER_NS) += user_namespace.o |
| 67 | obj-$(CONFIG_PID_NS) += pid_namespace.o |
| 68 | obj-$(CONFIG_IKCONFIG) += configs.o |
| 69 | obj-$(CONFIG_RESOURCE_COUNTERS) += res_counter.o |
| 70 | obj-$(CONFIG_SMP) += stop_machine.o |
| 71 | obj-$(CONFIG_KPROBES_SANITY_TEST) += test_kprobes.o |
| 72 | obj-$(CONFIG_AUDIT) += audit.o auditfilter.o |
| 73 | obj-$(CONFIG_AUDITSYSCALL) += auditsc.o |
| 74 | obj-$(CONFIG_AUDIT_WATCH) += audit_watch.o |
| 75 | obj-$(CONFIG_AUDIT_TREE) += audit_tree.o |
| 76 | obj-$(CONFIG_GCOV_KERNEL) += gcov/ |
| 77 | obj-$(CONFIG_KPROBES) += kprobes.o |
| 78 | obj-$(CONFIG_KGDB) += debug/ |
| 79 | obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o |
| 80 | obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o |
| 81 | obj-$(CONFIG_GENERIC_HARDIRQS) += irq/ |
| 82 | obj-$(CONFIG_SECCOMP) += seccomp.o |
| 83 | obj-$(CONFIG_RCU_TORTURE_TEST) += rcutorture.o |
| 84 | obj-$(CONFIG_TREE_RCU) += rcutree.o |
| 85 | obj-$(CONFIG_TREE_PREEMPT_RCU) += rcutree.o |
| 86 | obj-$(CONFIG_TREE_RCU_TRACE) += rcutree_trace.o |
| 87 | obj-$(CONFIG_TINY_RCU) += rcutiny.o |
| 88 | obj-$(CONFIG_TINY_PREEMPT_RCU) += rcutiny.o |
| 89 | obj-$(CONFIG_RELAY) += relay.o |
| 90 | obj-$(CONFIG_SYSCTL) += utsname_sysctl.o |
| 91 | obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o |
| 92 | obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o |
| 93 | obj-$(CONFIG_TRACEPOINTS) += tracepoint.o |
| 94 | obj-$(CONFIG_LATENCYTOP) += latencytop.o |
| 95 | obj-$(CONFIG_BINFMT_ELF) += elfcore.o |
| 96 | obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o |
| 97 | obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o |
| 98 | obj-$(CONFIG_FUNCTION_TRACER) += trace/ |
| 99 | obj-$(CONFIG_TRACING) += trace/ |
| 100 | obj-$(CONFIG_TRACE_CLOCK) += trace/ |
| 101 | obj-$(CONFIG_RING_BUFFER) += trace/ |
| 102 | obj-$(CONFIG_TRACEPOINTS) += trace/ |
| 103 | obj-$(CONFIG_IRQ_WORK) += irq_work.o |
| 104 | obj-$(CONFIG_CPU_PM) += cpu_pm.o |
| 105 | |
| 106 | obj-$(CONFIG_PERF_EVENTS) += events/ |
| 107 | |
| 108 | obj-$(CONFIG_USER_RETURN_NOTIFIER) += user-return-notifier.o |
| 109 | obj-$(CONFIG_PADATA) += padata.o |
| 110 | obj-$(CONFIG_CRASH_DUMP) += crash_dump.o |
| 111 | obj-$(CONFIG_JUMP_LABEL) += jump_label.o |
| 112 | obj-$(CONFIG_CONTEXT_TRACKING) += context_tracking.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_hzfile = HZFILE $@ |
| 130 | cmd_hzfile = echo "hz=$(CONFIG_HZ)" > $@ |
| 131 | |
| 132 | targets += hz.bc |
| 133 | $(obj)/hz.bc: $(objtree)/include/config/hz.h FORCE |
| 134 | $(call if_changed,hzfile) |
| 135 | |
| 136 | quiet_cmd_bc = BC $@ |
| 137 | cmd_bc = bc -q $(filter-out FORCE,$^) > $@ |
| 138 | |
| 139 | targets += timeconst.h |
| 140 | $(obj)/timeconst.h: $(obj)/hz.bc $(src)/timeconst.bc FORCE |
| 141 | $(call if_changed,bc) |
| 142 | |
| 143 | ifeq ($(CONFIG_MODULE_SIG),y) |
| 144 | # |
| 145 | # Pull the signing certificate and any extra certificates into the kernel |
| 146 | # |
| 147 | |
| 148 | quiet_cmd_touch = TOUCH $@ |
| 149 | cmd_touch = touch $@ |
| 150 | |
| 151 | extra_certificates: |
| 152 | $(call cmd,touch) |
| 153 | |
| 154 | kernel/modsign_certificate.o: signing_key.x509 extra_certificates |
| 155 | |
| 156 | ############################################################################### |
| 157 | # |
| 158 | # If module signing is requested, say by allyesconfig, but a key has not been |
| 159 | # supplied, then one will need to be generated to make sure the build does not |
| 160 | # fail and that the kernel may be used afterwards. |
| 161 | # |
| 162 | ############################################################################### |
| 163 | ifndef CONFIG_MODULE_SIG_HASH |
| 164 | $(error Could not determine digest type to use from kernel config) |
| 165 | endif |
| 166 | |
| 167 | signing_key.priv signing_key.x509: x509.genkey |
| 168 | @echo "###" |
| 169 | @echo "### Now generating an X.509 key pair to be used for signing modules." |
| 170 | @echo "###" |
| 171 | @echo "### If this takes a long time, you might wish to run rngd in the" |
| 172 | @echo "### background to keep the supply of entropy topped up. It" |
| 173 | @echo "### needs to be run as root, and uses a hardware random" |
| 174 | @echo "### number generator if one is available." |
| 175 | @echo "###" |
| 176 | openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \ |
| 177 | -batch -x509 -config x509.genkey \ |
| 178 | -outform DER -out signing_key.x509 \ |
| 179 | -keyout signing_key.priv 2>&1 |
| 180 | @echo "###" |
| 181 | @echo "### Key pair generated." |
| 182 | @echo "###" |
| 183 | |
| 184 | x509.genkey: |
| 185 | @echo Generating X.509 key generation config |
| 186 | @echo >x509.genkey "[ req ]" |
| 187 | @echo >>x509.genkey "default_bits = 4096" |
| 188 | @echo >>x509.genkey "distinguished_name = req_distinguished_name" |
| 189 | @echo >>x509.genkey "prompt = no" |
| 190 | @echo >>x509.genkey "string_mask = utf8only" |
| 191 | @echo >>x509.genkey "x509_extensions = myexts" |
| 192 | @echo >>x509.genkey |
| 193 | @echo >>x509.genkey "[ req_distinguished_name ]" |
| 194 | @echo >>x509.genkey "O = Magrathea" |
| 195 | @echo >>x509.genkey "CN = Glacier signing key" |
| 196 | @echo >>x509.genkey "emailAddress = slartibartfast@magrathea.h2g2" |
| 197 | @echo >>x509.genkey |
| 198 | @echo >>x509.genkey "[ myexts ]" |
| 199 | @echo >>x509.genkey "basicConstraints=critical,CA:FALSE" |
| 200 | @echo >>x509.genkey "keyUsage=digitalSignature" |
| 201 | @echo >>x509.genkey "subjectKeyIdentifier=hash" |
| 202 | @echo >>x509.genkey "authorityKeyIdentifier=keyid" |
| 203 | endif |