Makefile 6.3 KB

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