# SPDX-License-Identifier: GPL-2.0

  #
  # sparc/Makefile
  #
  # Makefile for the architecture dependent flags and dependencies on the

  # Sparc and sparc64.

  #

  # Copyright (C) 1994,1996,1998 David S. Miller (davem@caip.rutgers.edu)
  # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
  
  # We are not yet configured - so test on arch

  ifeq ($(ARCH),sparc64)

          KBUILD_DEFCONFIG := sparc64_defconfig

  else
          KBUILD_DEFCONFIG := sparc32_defconfig

  endif
  
  ifeq ($(CONFIG_SPARC32),y)
  #####
  # sparc32

  #

  CHECKFLAGS     += -D__sparc__

  KBUILD_LDFLAGS := -m elf32_sparc

  export BITS    := 32

  UTS_MACHINE    := sparc

  # We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
  # versions of gcc.  Some gcc versions won't pass -Av8 to binutils when you
  # give -mcpu=v8.  This silently worked with older bintutils versions but
  # does not any more.

  KBUILD_CFLAGS  += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7

  KBUILD_CFLAGS  += -Wa,-Av8

  KBUILD_AFLAGS  += -m32 -Wa,-Av8

  else
  #####
  # sparc64
  #

  CHECKFLAGS    += -D__sparc__ -D__sparc_v9__ -D__arch64__

  KBUILD_LDFLAGS := -m elf64_sparc

  export BITS   := 64
  UTS_MACHINE   := sparc64

  KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow
  KBUILD_CFLAGS += -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
  KBUILD_CFLAGS += -Wa,--undeclared-regs

  KBUILD_CFLAGS += $(call cc-option,-mtune=ultrasparc3)
  KBUILD_AFLAGS += -m64 -mcpu=ultrasparc -Wa,--undeclared-regs
  
  ifeq ($(CONFIG_MCOUNT),y)
    KBUILD_CFLAGS += -pg
  endif
  
  endif

  head-y                 := arch/sparc/kernel/head_$(BITS).o

  # See arch/sparc/Kbuild for the core part of the kernel
  core-y                 += arch/sparc/

  libs-y                 += arch/sparc/prom/

  libs-y                 += arch/sparc/lib/

  drivers-$(CONFIG_PM) += arch/sparc/power/

  drivers-$(CONFIG_OPROFILE)	+= arch/sparc/oprofile/

  boot := arch/sparc/boot

  # Default target
  all: zImage

  image zImage uImage tftpboot.img vmlinux.aout: vmlinux

  	$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@

  install:
  	$(Q)$(MAKE) $(build)=$(boot) $@

  archclean:

  	$(Q)$(MAKE) $(clean)=$(boot)

  archheaders:
  	$(Q)$(MAKE) $(build)=arch/sparc/kernel/syscalls all

  PHONY += vdso_install
  vdso_install:
  	$(Q)$(MAKE) $(build)=arch/sparc/vdso $@

  # This is the image used for packaging

  KBUILD_IMAGE := $(boot)/zImage

  # Don't use tabs in echo arguments.

  ifeq ($(ARCH),sparc)

  define archhelp
    echo  '* image        - kernel image ($(boot)/image)'

    echo  '* zImage       - stripped kernel image ($(boot)/zImage)'

    echo  '  uImage       - U-Boot SPARC32 Image (only for LEON)'

    echo  '  tftpboot.img - image prepared for tftp'
  endef

  else
  define archhelp

    echo  '* vmlinux      - standard sparc64 kernel'
    echo  '* zImage       - stripped and compressed sparc64 kernel ($(boot)/zImage)'
    echo  '  vmlinux.aout - a.out kernel for sparc64'

    echo  '  tftpboot.img - image prepared for tftp'
  endef
  endif