arch/sparc64/Makefile

   1 # $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem Exp $
   2 # sparc64/Makefile
   3 #
   4 # Makefile for the architecture dependent flags and dependencies on the
   5 # 64-bit Sparc.
   6 #
   7 # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
   8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
   9 #
  10
  11 CHECKFLAGS      += -D__sparc__ -D__sparc_v9__ -m64
  12
  13 CPPFLAGS_vmlinux.lds += -Usparc
  14
  15 CC              := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo sparc64-linux-gcc; fi )
  16
  17 NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow)
  18 NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
  19 UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
  20
  21 ifneq ($(NEW_GAS),y)
  22 AS              = sparc64-linux-as
  23 LD              = sparc64-linux-ld
  24 NM              = sparc64-linux-nm
  25 AR              = sparc64-linux-ar
  26 RANLIB          = sparc64-linux-ranlib
  27 else
  28 AS              := $(AS) -64
  29 LDFLAGS         := -m elf64_sparc
  30 endif
  31
  32 ifneq ($(UNDECLARED_REGS),y)
  33 CC_UNDECL       =
  34 else
  35 CC_UNDECL       = -Wa,--undeclared-regs
  36 AS              := $(AS) --undeclared-regs
  37 endif
  38
  39 ifneq ($(NEW_GCC),y)
  40   KBUILD_CFLAGS += -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
  41             -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
  42 else
  43   KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
  44             -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
  45             $(CC_UNDECL)
  46   KBUILD_AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
  47 endif
  48
  49 ifeq ($(CONFIG_MCOUNT),y)
  50   KBUILD_CFLAGS += -pg
  51 endif
  52
  53 head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
  54
  55 core-y                          += arch/sparc64/kernel/ arch/sparc64/mm/
  56 core-$(CONFIG_SOLARIS_EMUL)     += arch/sparc64/solaris/
  57 core-y                          += arch/sparc64/math-emu/
  58 libs-y                          += arch/sparc64/prom/ arch/sparc64/lib/
  59 drivers-$(CONFIG_OPROFILE)      += arch/sparc64/oprofile/
  60
  61 boot := arch/sparc64/boot
  62
  63 image tftpboot.img vmlinux.aout: vmlinux
  64         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  65
  66 archclean:
  67         $(Q)$(MAKE) $(clean)=$(boot)
  68
  69 define archhelp
  70   echo  '* vmlinux       - Standard sparc64 kernel'
  71   echo  '  vmlinux.aout  - a.out kernel for sparc64'
  72   echo  '  tftpboot.img  - Image prepared for tftp'
  73 endef
  74