arch/sparc/Makefile

   1 #
   2 # sparc/Makefile
   3 #
   4 # Makefile for the architecture dependent flags and dependencies on the
   5 # Sparc and sparc64.
   6 #
   7 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
   8 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
   9
  10 # We are not yet configured - so test on arch
  11 ifeq ($(ARCH),sparc)
  12         KBUILD_DEFCONFIG := sparc32_defconfig
  13 else
  14         KBUILD_DEFCONFIG := sparc64_defconfig
  15 endif
  16
  17 ifeq ($(CONFIG_SPARC32),y)
  18 #####
  19 # sparc32
  20 #
  21
  22 #
  23 # Uncomment the first KBUILD_CFLAGS if you are doing kgdb source level
  24 # debugging of the kernel to get the proper debugging information.
  25
  26 AS             := $(AS) -32
  27 LDFLAGS        := -m elf32_sparc
  28 CHECKFLAGS     += -D__sparc__
  29 export BITS    := 32
  30
  31 #KBUILD_CFLAGS += -g -pipe -fcall-used-g5 -fcall-used-g7
  32 KBUILD_CFLAGS += -m32 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
  33 KBUILD_AFLAGS += -m32
  34 CPPFLAGS_vmlinux.lds += -m32
  35
  36 #LDFLAGS_vmlinux = -N -Ttext 0xf0004000
  37 #  Since 2.5.40, the first stage is left not btfix-ed.
  38 #  Actual linking is done with "make image".
  39 LDFLAGS_vmlinux = -r
  40
  41 # Default target
  42 all: zImage
  43
  44
  45 else
  46 #####
  47 # sparc64
  48 #
  49
  50 CHECKFLAGS      += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
  51
  52 # Undefine sparc when processing vmlinux.lds - it is used
  53 # And teach CPP we are doing 64 bit builds (for this case)
  54 CPPFLAGS_vmlinux.lds += -m64 -Usparc
  55 LDFLAGS              := -m elf64_sparc
  56 export BITS          := 64
  57
  58 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow   \
  59                  -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
  60                  -Wa,--undeclared-regs
  61 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
  62 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
  63
  64 ifeq ($(CONFIG_MCOUNT),y)
  65   KBUILD_CFLAGS += -pg
  66 endif
  67
  68 endif
  69
  70 head-y                 := arch/sparc/kernel/head_$(BITS).o
  71 head-y                 += arch/sparc/kernel/init_task.o
  72
  73 core-y                 += arch/sparc/kernel/
  74 core-y                 += arch/sparc/mm/ arch/sparc/math-emu/
  75
  76 libs-y                 += arch/sparc/prom/
  77 libs-y                 += arch/sparc/lib/
  78
  79 drivers-$(CONFIG_OPROFILE)      += arch/sparc/oprofile/
  80
  81 # Export what is needed by arch/sparc/boot/Makefile
  82 export VMLINUX_INIT VMLINUX_MAIN
  83 VMLINUX_INIT := $(head-y) $(init-y)
  84 VMLINUX_MAIN := $(core-y) kernel/ mm/ fs/ ipc/ security/ crypto/ block/
  85 VMLINUX_MAIN += $(patsubst %/, %/lib.a, $(libs-y)) $(libs-y)
  86 VMLINUX_MAIN += $(drivers-y) $(net-y)
  87
  88 ifdef CONFIG_KALLSYMS
  89 export kallsyms.o := .tmp_kallsyms2.o
  90 endif
  91
  92 boot := arch/sparc/boot
  93
  94 image zImage tftpboot.img vmlinux.aout: vmlinux
  95         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  96
  97 archclean:
  98         $(Q)$(MAKE) $(clean)=$(boot)
  99
 100 # This is the image used for packaging
 101 KBUILD_IMAGE := $(boot)/zImage
 102
 103 # Don't use tabs in echo arguments.
 104 ifeq ($(ARCH),sparc)
 105 define archhelp
 106   echo  '* image        - kernel image ($(boot)/image)'
 107   echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
 108   echo  '  tftpboot.img - image prepared for tftp'
 109 endef
 110 else
 111 define archhelp
 112   echo  '* vmlinux       - Standard sparc64 kernel'
 113   echo  '  vmlinux.aout  - a.out kernel for sparc64'
 114   echo  '  tftpboot.img - image prepared for tftp'
 115 endef
 116 endif