arch/sparc/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # sparc/Makefile
   4 #
   5 # Makefile for the architecture dependent flags and dependencies on the
   6 # Sparc and sparc64.
   7 #
   8 # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
   9 # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
  10
  11 # We are not yet configured - so test on arch
  12 ifeq ($(ARCH),sparc)
  13         KBUILD_DEFCONFIG := sparc32_defconfig
  14 else
  15         KBUILD_DEFCONFIG := sparc64_defconfig
  16 endif
  17
  18 ifeq ($(CONFIG_SPARC32),y)
  19 #####
  20 # sparc32
  21 #
  22
  23 CHECKFLAGS     += -D__sparc__
  24 LDFLAGS        := -m elf32_sparc
  25 export BITS    := 32
  26 UTS_MACHINE    := sparc
  27
  28 # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
  29 # versions of gcc.  Some gcc versions won't pass -Av8 to binutils when you
  30 # give -mcpu=v8.  This silently worked with older bintutils versions but
  31 # does not any more.
  32 KBUILD_CFLAGS  += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
  33 KBUILD_CFLAGS  += -Wa,-Av8
  34
  35 KBUILD_AFLAGS  += -m32 -Wa,-Av8
  36
  37 else
  38 #####
  39 # sparc64
  40 #
  41
  42 CHECKFLAGS    += -D__sparc__ -D__sparc_v9__ -D__arch64__ -m64
  43 LDFLAGS       := -m elf64_sparc
  44 export BITS   := 64
  45 UTS_MACHINE   := sparc64
  46
  47 KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
  48 KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
  49 KBUILD_CFLAGS += -Wa,--undeclared-regs
  50 KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
  51 KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
  52
  53 ifeq ($(CONFIG_MCOUNT),y)
  54   KBUILD_CFLAGS += -pg
  55 endif
  56
  57 endif
  58
  59 head-y                 := arch/sparc/kernel/head_$(BITS).o
  60
  61 # See arch/sparc/Kbuild for the core part of the kernel
  62 core-y                 += arch/sparc/
  63
  64 libs-y                 += arch/sparc/prom/
  65 libs-y                 += arch/sparc/lib/
  66
  67 drivers-$(CONFIG_PM) += arch/sparc/power/
  68 drivers-$(CONFIG_OPROFILE)      += arch/sparc/oprofile/
  69
  70 boot := arch/sparc/boot
  71
  72 # Default target
  73 all: zImage
  74
  75 image zImage uImage tftpboot.img vmlinux.aout: vmlinux
  76         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  77
  78 install:
  79         $(Q)$(MAKE) $(build)=$(boot) $@
  80
  81 archclean:
  82         $(Q)$(MAKE) $(clean)=$(boot)
  83
  84 PHONY += vdso_install
  85 vdso_install:
  86         $(Q)$(MAKE) $(build)=arch/sparc/vdso $@
  87
  88 # This is the image used for packaging
  89 KBUILD_IMAGE := $(boot)/zImage
  90
  91 # Don't use tabs in echo arguments.
  92 ifeq ($(ARCH),sparc)
  93 define archhelp
  94   echo  '* image        - kernel image ($(boot)/image)'
  95   echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
  96   echo  '  uImage       - U-Boot SPARC32 Image (only for LEON)'
  97   echo  '  tftpboot.img - image prepared for tftp'
  98 endef
  99 else
 100 define archhelp
 101   echo  '* vmlinux      - standard sparc64 kernel'
 102   echo  '* zImage       - stripped and compressed sparc64 kernel ($(boot)/zImage)'
 103   echo  '  vmlinux.aout - a.out kernel for sparc64'
 104   echo  '  tftpboot.img - image prepared for tftp'
 105 endef
 106 endif