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kernel/linux-rt-4.4.41/arch/mips/loongson64/Platform 1.17 KB
5113f6f70   김현기   kernel add
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  #
  # Loongson Processors' Support
  #
  
  # Only gcc >= 4.4 have Loongson specific support
  cflags-$(CONFIG_CPU_LOONGSON2)	+= -Wa,--trap
  cflags-$(CONFIG_CPU_LOONGSON2E) += \
  	$(call cc-option,-march=loongson2e,-march=r4600)
  cflags-$(CONFIG_CPU_LOONGSON2F) += \
  	$(call cc-option,-march=loongson2f,-march=r4600)
  # Enable the workarounds for Loongson2f
  ifdef CONFIG_CPU_LOONGSON2F_WORKAROUNDS
    ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-nop,),)
      $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-nop)
    else
      cflags-$(CONFIG_CPU_NOP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-nop
    endif
    ifeq ($(call as-option,-Wa$(comma)-mfix-loongson2f-jump,),)
      $(error only binutils >= 2.20.2 have needed option -mfix-loongson2f-jump)
    else
      cflags-$(CONFIG_CPU_JUMP_WORKAROUNDS) += -Wa$(comma)-mfix-loongson2f-jump
    endif
  endif
  
  #
  # Loongson Machines' Support
  #
  
  platform-$(CONFIG_MACH_LOONGSON64) += loongson64/
  cflags-$(CONFIG_MACH_LOONGSON64) += -I$(srctree)/arch/mips/include/asm/mach-loongson64 -mno-branch-likely
  load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
  load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000
  load-$(CONFIG_LOONGSON_MACH3X) += 0xffffffff80200000