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 else
  42 #####
  43 # sparc64
  44 #
  45
  46 CHECKFLAGS      += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
  47
  48 # Undefine sparc when processing vmlinux.lds - it is used
  49 # And teach CPP we are doing 64 bit builds (for this case)
  50 CPPFLAGS_vmlinux.lds += -m64 -Usparc
  51 LDFLAGS              := -m elf64_sparc
  52 export BITS          := 64
  53
  54 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow   \
  55                  -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
  56                  -Wa,--undeclared-regs
  57 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
  58 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
  59
  60 ifeq ($(CONFIG_MCOUNT),y)
  61   KBUILD_CFLAGS += -pg
  62 endif
  63
  64 endif
  65
  66 head-y                 := arch/sparc/kernel/head_$(BITS).o
  67 head-y                 += arch/sparc/kernel/init_task.o
  68
  69 core-y                 += arch/sparc/kernel/
  70 core-y                 += arch/sparc/mm/ arch/sparc/math-emu/
  71
  72 libs-y                 += arch/sparc/prom/
  73 libs-y                 += arch/sparc/lib/
  74
  75 drivers-$(CONFIG_OPROFILE)      += arch/sparc/oprofile/
  76
  77 # Export what is needed by arch/sparc/boot/Makefile
  78 export VMLINUX_INIT VMLINUX_MAIN
  79 VMLINUX_INIT := $(head-y) $(init-y)
  80 VMLINUX_MAIN := $(core-y) kernel/ mm/ fs/ ipc/ security/ crypto/ block/
  81 VMLINUX_MAIN += $(patsubst %/, %/lib.a, $(libs-y)) $(libs-y)
  82 VMLINUX_MAIN += $(drivers-y) $(net-y)
  83
  84 ifdef CONFIG_KALLSYMS
  85 export kallsyms.o := .tmp_kallsyms2.o
  86 endif
  87
  88 boot := arch/sparc/boot
  89
  90 # Default target
  91 all: zImage
  92
  93 image zImage tftpboot.img vmlinux.aout: vmlinux
  94         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  95
  96 archclean:
  97         $(Q)$(MAKE) $(clean)=$(boot)
  98
  99 # This is the image used for packaging
 100 KBUILD_IMAGE := $(boot)/zImage
 101
 102 # Don't use tabs in echo arguments.
 103 ifeq ($(ARCH),sparc)
 104 define archhelp
 105   echo  '* image        - kernel image ($(boot)/image)'
 106   echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
 107   echo  '  tftpboot.img - image prepared for tftp'
 108 endef
 109 else
 110 define archhelp
 111   echo  '* vmlinux      - standard sparc64 kernel'
 112   echo  '* zImage       - stripped and compressed sparc64 kernel ($(boot)/zImage)'
 113   echo  '  vmlinux.aout - a.out kernel for sparc64'
 114   echo  '  tftpboot.img - image prepared for tftp'
 115 endef
 116 endif