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 CFLAGS_REMOVE_sclp.o    = $(CC_FLAGS_FTRACE)
  14
  15 endif
  16
  17 GCOV_PROFILE_als.o      := n
  18 GCOV_PROFILE_early.o    := n
  19 GCOV_PROFILE_sclp.o     := n
  20
  21 KCOV_INSTRUMENT_als.o   := n
  22 KCOV_INSTRUMENT_early.o := n
  23 KCOV_INSTRUMENT_sclp.o  := n
  24
  25 UBSAN_SANITIZE_als.o    := n
  26 UBSAN_SANITIZE_early.o  := n
  27 UBSAN_SANITIZE_sclp.o   := n
  28
  29 #
  30 # Use -march=z900 for sclp.c and als.c to be able to print an error
  31 # message if the kernel is started on a machine which is too old
  32 #
  33 ifneq ($(CC_FLAGS_MARCH),-march=z900)
  34 CFLAGS_REMOVE_als.o     += $(CC_FLAGS_MARCH)
  35 CFLAGS_als.o            += -march=z900
  36 CFLAGS_REMOVE_sclp.o    += $(CC_FLAGS_MARCH)
  37 CFLAGS_sclp.o           += -march=z900
  38 AFLAGS_REMOVE_head.o    += $(CC_FLAGS_MARCH)
  39 AFLAGS_head.o           += -march=z900
  40 endif
  41
  42 #
  43 # Passing null pointers is ok for smp code, since we access the lowcore here.
  44 #
  45 CFLAGS_smp.o            := -Wno-nonnull
  46
  47 #
  48 # Disable tailcall optimizations for stack / callchain walking functions
  49 # since this might generate broken code when accessing register 15 and
  50 # passing its content to other functions.
  51 #
  52 CFLAGS_stacktrace.o     += -fno-optimize-sibling-calls
  53 CFLAGS_dumpstack.o      += -fno-optimize-sibling-calls
  54
  55 #
  56 # Pass UTS_MACHINE for user_regset definition
  57 #
  58 CFLAGS_ptrace.o         += -DUTS_MACHINE='"$(UTS_MACHINE)"'
  59
  60 CFLAGS_sysinfo.o        += -w
  61
  62 obj-y   := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
  63 obj-y   += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
  64 obj-y   += debug.o irq.o ipl.o dis.o diag.o sclp.o vdso.o als.o
  65 obj-y   += sysinfo.o jump_label.o lgr.o os_info.o machine_kexec.o pgm_check.o
  66 obj-y   += runtime_instr.o cache.o fpu.o dumpstack.o
  67 obj-y   += entry.o reipl.o relocate_kernel.o
  68
  69 extra-y                         += head.o head64.o vmlinux.lds
  70
  71 obj-$(CONFIG_MODULES)           += module.o
  72 obj-$(CONFIG_SMP)               += smp.o
  73 obj-$(CONFIG_SCHED_TOPOLOGY)    += topology.o
  74 obj-$(CONFIG_HIBERNATION)       += suspend.o swsusp.o
  75 obj-$(CONFIG_AUDIT)             += audit.o
  76 compat-obj-$(CONFIG_AUDIT)      += compat_audit.o
  77 obj-$(CONFIG_COMPAT)            += compat_linux.o compat_signal.o
  78 obj-$(CONFIG_COMPAT)            += compat_wrapper.o $(compat-obj-y)
  79
  80 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
  81 obj-$(CONFIG_KPROBES)           += kprobes.o
  82 obj-$(CONFIG_FUNCTION_TRACER)   += mcount.o ftrace.o
  83 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
  84 obj-$(CONFIG_UPROBES)           += uprobes.o
  85
  86 obj-$(CONFIG_PERF_EVENTS)       += perf_event.o perf_cpum_cf.o perf_cpum_sf.o
  87 obj-$(CONFIG_PERF_EVENTS)       += perf_cpum_cf_events.o
  88
  89 obj-$(CONFIG_TRACEPOINTS)       += trace.o
  90
  91 # vdso
  92 obj-y                           += vdso64/
  93 obj-$(CONFIG_COMPAT)            += vdso32/