arch/s390/kernel/Makefile

   1 #
   2 # Makefile for the linux kernel.
   3 #
   4
   5 ifdef CONFIG_FUNCTION_TRACER
   6
   7 # Do not trace tracer code
   8 CFLAGS_REMOVE_ftrace.o  = $(CC_FLAGS_FTRACE)
   9
  10 # Do not trace early setup code
  11 CFLAGS_REMOVE_als.o     = $(CC_FLAGS_FTRACE)
  12 CFLAGS_REMOVE_early.o   = $(CC_FLAGS_FTRACE)
  13
  14 endif
  15
  16 GCOV_PROFILE_als.o      := n
  17 GCOV_PROFILE_early.o    := n
  18
  19 KCOV_INSTRUMENT_als.o   := n
  20 KCOV_INSTRUMENT_early.o := n
  21
  22 UBSAN_SANITIZE_als.o    := n
  23 UBSAN_SANITIZE_early.o  := n
  24
  25 #
  26 # Use -march=z900 for als.c to be able to print an error
  27 # message if the kernel is started on a machine which is too old
  28 #
  29 ifneq ($(CC_FLAGS_MARCH),-march=z900)
  30 CFLAGS_REMOVE_als.o     += $(CC_FLAGS_MARCH)
  31 CFLAGS_als.o            += -march=z900
  32 AFLAGS_REMOVE_head.o    += $(CC_FLAGS_MARCH)
  33 AFLAGS_head.o           += -march=z900
  34 endif
  35
  36 #
  37 # Passing null pointers is ok for smp code, since we access the lowcore here.
  38 #
  39 CFLAGS_smp.o            := -Wno-nonnull
  40
  41 #
  42 # Disable tailcall optimizations for stack / callchain walking functions
  43 # since this might generate broken code when accessing register 15 and
  44 # passing its content to other functions.
  45 #
  46 CFLAGS_stacktrace.o     += -fno-optimize-sibling-calls
  47 CFLAGS_dumpstack.o      += -fno-optimize-sibling-calls
  48
  49 #
  50 # Pass UTS_MACHINE for user_regset definition
  51 #
  52 CFLAGS_ptrace.o         += -DUTS_MACHINE='"$(UTS_MACHINE)"'
  53
  54 obj-y   := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
  55 obj-y   += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
  56 obj-y   += debug.o irq.o ipl.o dis.o diag.o vdso.o als.o
  57 obj-y   += sysinfo.o jump_label.o lgr.o os_info.o machine_kexec.o pgm_check.o
  58 obj-y   += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o
  59 obj-y   += entry.o reipl.o relocate_kernel.o kdebugfs.o
  60
  61 extra-y                         += head.o head64.o vmlinux.lds
  62
  63 obj-$(CONFIG_MODULES)           += module.o
  64 obj-$(CONFIG_SMP)               += smp.o
  65 obj-$(CONFIG_SCHED_TOPOLOGY)    += topology.o
  66 obj-$(CONFIG_HIBERNATION)       += suspend.o swsusp.o
  67 obj-$(CONFIG_AUDIT)             += audit.o
  68 compat-obj-$(CONFIG_AUDIT)      += compat_audit.o
  69 obj-$(CONFIG_COMPAT)            += compat_linux.o compat_signal.o
  70 obj-$(CONFIG_COMPAT)            += compat_wrapper.o $(compat-obj-y)
  71 obj-$(CONFIG_EARLY_PRINTK)      += early_printk.o
  72 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
  73 obj-$(CONFIG_KPROBES)           += kprobes.o
  74 obj-$(CONFIG_FUNCTION_TRACER)   += mcount.o ftrace.o
  75 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
  76 obj-$(CONFIG_UPROBES)           += uprobes.o
  77
  78 obj-$(CONFIG_PERF_EVENTS)       += perf_event.o perf_cpum_cf.o perf_cpum_sf.o
  79 obj-$(CONFIG_PERF_EVENTS)       += perf_cpum_cf_events.o
  80
  81 obj-$(CONFIG_TRACEPOINTS)       += trace.o
  82
  83 # vdso
  84 obj-y                           += vdso64/
  85 obj-$(CONFIG_COMPAT)            += vdso32/