arch/s390/kernel/Makefile

   1 #
   2 # Makefile for the linux kernel.
   3 #
   4
   5 KCOV_INSTRUMENT_early.o := n
   6 KCOV_INSTRUMENT_sclp.o := n
   7
   8 ifdef CONFIG_FUNCTION_TRACER
   9 # Don't trace early setup code and tracing code
  10 CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE)
  11 CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
  12 endif
  13
  14 #
  15 # Passing null pointers is ok for smp code, since we access the lowcore here.
  16 #
  17 CFLAGS_smp.o    := -Wno-nonnull
  18
  19 #
  20 # Disable tailcall optimizations for stack / callchain walking functions
  21 # since this might generate broken code when accessing register 15 and
  22 # passing its content to other functions.
  23 #
  24 CFLAGS_stacktrace.o     += -fno-optimize-sibling-calls
  25 CFLAGS_dumpstack.o      += -fno-optimize-sibling-calls
  26
  27 #
  28 # Pass UTS_MACHINE for user_regset definition
  29 #
  30 CFLAGS_ptrace.o         += -DUTS_MACHINE='"$(UTS_MACHINE)"'
  31
  32 CFLAGS_sysinfo.o += -w
  33
  34 #
  35 # Use -march=z900 for sclp.c to be able to print an error message if
  36 # the kernel is started on a machine which is too old
  37 #
  38 CFLAGS_REMOVE_sclp.o = $(CC_FLAGS_FTRACE)
  39 ifneq ($(CC_FLAGS_MARCH),-march=z900)
  40 CFLAGS_REMOVE_sclp.o    += $(CC_FLAGS_MARCH)
  41 CFLAGS_sclp.o           += -march=z900
  42 AFLAGS_REMOVE_head.o    += $(CC_FLAGS_MARCH)
  43 AFLAGS_head.o           += -march=z900
  44 endif
  45 GCOV_PROFILE_sclp.o := n
  46
  47 obj-y   := traps.o time.o process.o base.o early.o setup.o idle.o vtime.o
  48 obj-y   += processor.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o
  49 obj-y   += debug.o irq.o ipl.o dis.o diag.o sclp.o vdso.o
  50 obj-y   += sysinfo.o jump_label.o lgr.o os_info.o machine_kexec.o pgm_check.o
  51 obj-y   += runtime_instr.o cache.o fpu.o dumpstack.o
  52 obj-y   += entry.o reipl.o relocate_kernel.o
  53
  54 extra-y                         += head.o head64.o vmlinux.lds
  55
  56 obj-$(CONFIG_MODULES)           += s390_ksyms.o module.o
  57 obj-$(CONFIG_SMP)               += smp.o
  58 obj-$(CONFIG_SCHED_TOPOLOGY)    += topology.o
  59 obj-$(CONFIG_HIBERNATION)       += suspend.o swsusp.o
  60 obj-$(CONFIG_AUDIT)             += audit.o
  61 compat-obj-$(CONFIG_AUDIT)      += compat_audit.o
  62 obj-$(CONFIG_COMPAT)            += compat_linux.o compat_signal.o
  63 obj-$(CONFIG_COMPAT)            += compat_wrapper.o $(compat-obj-y)
  64
  65 obj-$(CONFIG_STACKTRACE)        += stacktrace.o
  66 obj-$(CONFIG_KPROBES)           += kprobes.o
  67 obj-$(CONFIG_FUNCTION_TRACER)   += mcount.o ftrace.o
  68 obj-$(CONFIG_CRASH_DUMP)        += crash_dump.o
  69 obj-$(CONFIG_UPROBES)           += uprobes.o
  70
  71 obj-$(CONFIG_PERF_EVENTS)       += perf_event.o perf_cpum_cf.o perf_cpum_sf.o
  72 obj-$(CONFIG_PERF_EVENTS)       += perf_cpum_cf_events.o
  73
  74 obj-$(CONFIG_TRACEPOINTS)       += trace.o
  75
  76 # vdso
  77 obj-y                           += vdso64/
  78 obj-$(CONFIG_COMPAT)            += vdso32/