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 $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
  20
  21 export NEW_GCC
  22
  23 ifneq ($(NEW_GAS),y)
  24 AS              = sparc64-linux-as
  25 LD              = sparc64-linux-ld
  26 NM              = sparc64-linux-nm
  27 AR              = sparc64-linux-ar
  28 RANLIB          = sparc64-linux-ranlib
  29 else
  30 AS              := $(AS) -64
  31 LDFLAGS         := -m elf64_sparc
  32 endif
  33
  34 ifneq ($(UNDECLARED_REGS),y)
  35 CC_UNDECL       =
  36 else
  37 CC_UNDECL       = -Wa,--undeclared-regs
  38 AS              := $(AS) --undeclared-regs
  39 endif
  40
  41 ifneq ($(NEW_GCC),y)
  42   CFLAGS := $(CFLAGS) -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
  43             -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
  44 else
  45   CFLAGS := $(CFLAGS) -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
  46             -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
  47             $(CC_UNDECL)
  48   AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
  49 endif
  50
  51 ifeq ($(CONFIG_MCOUNT),y)
  52   CFLAGS := $(CFLAGS) -pg
  53 endif
  54
  55 head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
  56
  57 core-y                          += arch/sparc64/kernel/ arch/sparc64/mm/
  58 core-$(CONFIG_SOLARIS_EMUL)     += arch/sparc64/solaris/
  59 core-y                          += arch/sparc64/math-emu/
  60 libs-y                          += arch/sparc64/prom/ arch/sparc64/lib/
  61
  62 # FIXME: is drivers- right?
  63 drivers-$(CONFIG_OPROFILE)      += arch/sparc64/oprofile/
  64
  65 boot := arch/sparc64/boot
  66
  67 image tftpboot.img vmlinux.aout: vmlinux
  68         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  69
  70 archclean:
  71         $(Q)$(MAKE) $(clean)=$(boot)
  72
  73 define archhelp
  74   echo  '* vmlinux       - Standard sparc64 kernel'
  75   echo  '  vmlinux.aout  - a.out kernel for sparc64'
  76   echo  '  tftpboot.img  - Image prepared for tftp'
  77 endef
  78