arch/s390/Makefile

   1 #
   2 # s390/Makefile
   3 #
   4 # This file is included by the global makefile so that you can add your own
   5 # architecture-specific flags and dependencies. Remember to do have actions
   6 # for "archclean" and "archdep" for cleaning up and making dependencies for
   7 # this architecture
   8 #
   9 # This file is subject to the terms and conditions of the GNU General Public
  10 # License.  See the file "COPYING" in the main directory of this archive
  11 # for more details.
  12 #
  13 # Copyright (C) 1994 by Linus Torvalds
  14 #
  15
  16 ifdef CONFIG_ARCH_S390_31
  17 LDFLAGS         := -m elf_s390
  18 CFLAGS          += -m31
  19 AFLAGS          += -m31
  20 UTS_MACHINE     := s390
  21 endif
  22
  23 ifdef CONFIG_ARCH_S390X
  24 LDFLAGS         := -m elf64_s390
  25 MODFLAGS        += -fpic -D__PIC__
  26 CFLAGS          += -m64
  27 AFLAGS          += -m64
  28 UTS_MACHINE     := s390x
  29 endif
  30
  31 cflags-$(CONFIG_MARCH_G5)   += $(call check_gcc,-march=g5,)
  32 cflags-$(CONFIG_MARCH_Z900) += $(call check_gcc,-march=z900,)
  33 cflags-$(CONFIG_MARCH_Z990) += $(call check_gcc,-march=z990,)
  34
  35 CFLAGS          += $(cflags-y)
  36 CFLAGS          += $(call check_gcc,-finline-limit=10000,)
  37 CFLAGS          += -pipe -fno-strength-reduce -Wno-sign-compare
  38 CFLAGS          += -mbackchain
  39
  40 OBJCOPYFLAGS    := -O binary
  41 LDFLAGS_vmlinux := -e start
  42
  43 head-$(CONFIG_ARCH_S390_31)     += arch/$(ARCH)/kernel/head.o
  44 head-$(CONFIG_ARCH_S390X)       += arch/$(ARCH)/kernel/head64.o
  45 head-y                          += arch/$(ARCH)/kernel/init_task.o
  46
  47 core-y          += arch/$(ARCH)/mm/ arch/$(ARCH)/kernel/ arch/$(ARCH)/crypto/ \
  48                    arch/$(ARCH)/appldata/
  49 libs-y          += arch/$(ARCH)/lib/
  50 drivers-y       += drivers/s390/
  51 drivers-$(CONFIG_MATHEMU) += arch/$(ARCH)/math-emu/
  52
  53 # must be linked after kernel
  54 drivers-$(CONFIG_OPROFILE)      += arch/s390/oprofile/
  55
  56 boot            := arch/$(ARCH)/boot
  57
  58 all: image
  59
  60 # This is a white lie which helps to keep our spec simpler.
  61 # No $(Q) or other trickery because nobody should use it outside of RPM builds.
  62 bzImage: image
  63         ln -s image arch/$(ARCH)/boot/bzImage
  64
  65 install: vmlinux
  66         $(Q)$(MAKE) $(build)=$(boot) $@
  67
  68 image: vmlinux
  69         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  70
  71 archclean:
  72         $(Q)$(MAKE) $(clean)=$(boot)
  73
  74 prepare: include/asm-$(ARCH)/offsets.h
  75
  76 arch/$(ARCH)/kernel/asm-offsets.s: include/asm include/linux/version.h \
  77                                    include/config/MARKER
  78
  79 include/asm-$(ARCH)/offsets.h: arch/$(ARCH)/kernel/asm-offsets.s
  80         $(call filechk,gen-asm-offsets)
  81
  82 CLEAN_FILES += include/asm-$(ARCH)/offsets.h
  83
  84 # Don't use tabs in echo arguments
  85 define archhelp
  86   echo  '* image           - Kernel image for IPL ($(boot)/image)'
  87 endef