kernel/arch/s390/kernel/Makefile

   1 #
   2 # Makefile for the linux kernel.
   3 #
   4
   5 ifdef CONFIG_FUNCTION_TRACER
   6 # Don't trace early setup code and tracing code
   7 CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)
   8 CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
   9 endif
  10
  11 #
  12 # Passing null pointers is ok for smp code, since we access the lowcore here.
  13 #
  14 CFLAGS_smp.o    := -Wno-nonnull
  15
  16 #
  17 # Disable tailcall optimizations for stack / callchain walking functions
  18 # since this might generate broken code when accessing register 15 and
  19 # passing its content to other functions.
  20 #
  21 CFLAGS_stacktrace.o     += -fno-optimize-sibling-calls
  22 CFLAGS_dumpstack.o      += -fno-optimize-sibling-calls
  23
  24 #
  25 # Pass UTS_MACHINE for user_regset definition
  26 #
  27 CFLAGS_ptrace.o         += -DUTS_MACHINE='"$(UTS_MACHINE)"'
  28
  29 CFLAGS_sysinfo.o += -w
  30
  31 #
  32 # Use -march=z900 for sclp.c to be able to print an error message if
  33 # the kernel is started on a machine which is too old
  34 #
  35 CFLAGS_REMOVE_sclp.o = $(CC_FLAGS_FTRACE)
  36 ifneq ($(CC_FLAGS_MARCH),-march=z900)
  37 CFLAGS_REMOVE_sclp.o += $(CC_FLAGS_MARCH)
  38 CFLAGS_sclp.o   += -march=z900
  39 endif
  40 GCOV_PROFILE_sclp.o := n
  41
  42 obj-y   := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
  43 obj-y   += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
  44 obj-y   += debug.o irq.o ipl.o dis.o diag.o sclp.o vdso.o
  45 obj-y   += sysinfo.o jump_label.o lgr.o os_info.o machine_kexec.o pgm_check.o
  46 obj-y   += runtime_instr.o cache.o dumpstack.o
  47 obj-y   += entry.o reipl.o relocate_kernel.o
  48
  49 extra-y                         += head.o head64.o vmlinux.lds
  50
  51 obj-$(CONFIG_MODULES)           += s390_ksyms.o module.o
  52 obj-$(CONFIG_SMP)               += smp.o
  53 obj-$(CONFIG_SCHED_BOOK)        += topology.o
  54 obj-$(CONFIG_HIBERNATION)       += suspend.o swsusp.o
  55 obj-$(CONFIG_AUDIT)             += audit.o
  56 compat-obj-$(CONFIG_AUDIT)      += compat_audit.o
  57 obj-$(CONFIG_COMPAT)            += compat_linux.o compat_signal.o
  58 obj-$(CONFIG_COMPAT)            += compat_wrapper.o $(compat-obj-y)
  59
  60 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
  61 obj-$(CONFIG_KPROBES)           += kprobes.o
  62 obj-$(CONFIG_FUNCTION_TRACER)   += mcount.o ftrace.o
  63 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
  64 obj-$(CONFIG_UPROBES)           += uprobes.o
  65
  66 obj-$(CONFIG_PERF_EVENTS)       += perf_event.o perf_cpum_cf.o perf_cpum_sf.o
  67 obj-$(CONFIG_PERF_EVENTS)       += perf_cpum_cf_events.o
  68
  69 obj-$(CONFIG_TRACEPOINTS)       += trace.o
  70
  71 # vdso
  72 obj-y                           += vdso64/
  73 obj-$(CONFIG_COMPAT)            += vdso32/