linux/arch/sparc/Makefile
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   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
  12ifeq ($(ARCH),sparc64)
  13        KBUILD_DEFCONFIG := sparc64_defconfig
  14else
  15        KBUILD_DEFCONFIG := sparc32_defconfig
  16endif
  17
  18ifeq ($(CONFIG_SPARC32),y)
  19#####
  20# sparc32
  21#
  22
  23CHECKFLAGS     += -D__sparc__
  24KBUILD_LDFLAGS := -m elf32_sparc
  25export BITS    := 32
  26UTS_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.
  32KBUILD_CFLAGS  += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
  33KBUILD_CFLAGS  += -Wa,-Av8
  34
  35KBUILD_AFLAGS  += -m32 -Wa,-Av8
  36
  37else
  38#####
  39# sparc64
  40#
  41
  42CHECKFLAGS    += -D__sparc__ -D__sparc_v9__ -D__arch64__
  43KBUILD_LDFLAGS := -m elf64_sparc
  44export BITS   := 64
  45UTS_MACHINE   := sparc64
  46
  47KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
  48KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
  49KBUILD_CFLAGS += -Wa,--undeclared-regs
  50KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
  51KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
  52
  53ifeq ($(CONFIG_MCOUNT),y)
  54  KBUILD_CFLAGS += -pg
  55endif
  56
  57endif
  58
  59head-y                 := arch/sparc/kernel/head_$(BITS).o
  60
  61# See arch/sparc/Kbuild for the core part of the kernel
  62core-y                 += arch/sparc/
  63
  64libs-y                 += arch/sparc/prom/
  65libs-y                 += arch/sparc/lib/
  66
  67drivers-$(CONFIG_PM) += arch/sparc/power/
  68
  69boot := arch/sparc/boot
  70
  71# Default target
  72all: zImage
  73
  74image zImage uImage tftpboot.img vmlinux.aout: vmlinux
  75        $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  76
  77install:
  78        $(Q)$(MAKE) $(build)=$(boot) $@
  79
  80archclean:
  81        $(Q)$(MAKE) $(clean)=$(boot)
  82
  83archheaders:
  84        $(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all
  85
  86PHONY += vdso_install
  87vdso_install:
  88        $(Q)$(MAKE) $(build)=arch/sparc/vdso $@
  89
  90# This is the image used for packaging
  91KBUILD_IMAGE := $(boot)/zImage
  92
  93# Don't use tabs in echo arguments.
  94ifeq ($(ARCH),sparc)
  95define archhelp
  96  echo  '* image        - kernel image ($(boot)/image)'
  97  echo  '* zImage       - stripped kernel image ($(boot)/zImage)'
  98  echo  '  uImage       - U-Boot SPARC32 Image (only for LEON)'
  99  echo  '  tftpboot.img - image prepared for tftp'
 100endef
 101else
 102define archhelp
 103  echo  '* vmlinux      - standard sparc64 kernel'
 104  echo  '* zImage       - stripped and compressed sparc64 kernel ($(boot)/zImage)'
 105  echo  '  vmlinux.aout - a.out kernel for sparc64'
 106  echo  '  tftpboot.img - image prepared for tftp'
 107endef
 108endif
 109