arch/nds32/Makefile

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 LDFLAGS_vmlinux := --no-undefined -X
   3 OBJCOPYFLAGS    := -O binary -R .note -R .note.gnu.build-id -R .comment -S
   4
   5 ifdef CONFIG_FUNCTION_TRACER
   6 arch-y += -malways-save-lp -mno-relax
   7 endif
   8
   9 # Avoid generating FPU instructions
  10 arch-y  += -mno-ext-fpu-sp -mno-ext-fpu-dp -mfloat-abi=soft
  11
  12 KBUILD_CFLAGS   += $(call cc-option, -mno-sched-prolog-epilog)
  13 KBUILD_CFLAGS   += -mcmodel=large
  14
  15 KBUILD_CFLAGS   +=$(arch-y) $(tune-y)
  16 KBUILD_AFLAGS   +=$(arch-y) $(tune-y)
  17
  18 #Default value
  19 head-y           := arch/nds32/kernel/head.o
  20 textaddr-y       := $(CONFIG_PAGE_OFFSET)+0xc000
  21
  22 TEXTADDR := $(textaddr-y)
  23
  24 export  TEXTADDR
  25
  26
  27 # If we have a machine-specific directory, then include it in the build.
  28 core-y                          += arch/nds32/kernel/ arch/nds32/mm/
  29 core-$(CONFIG_FPU)              += arch/nds32/math-emu/
  30 libs-y                          += arch/nds32/lib/
  31
  32 ifneq '$(CONFIG_NDS32_BUILTIN_DTB)' '""'
  33 BUILTIN_DTB := y
  34 else
  35 BUILTIN_DTB := n
  36 endif
  37
  38 ifdef CONFIG_CPU_LITTLE_ENDIAN
  39 KBUILD_CFLAGS   += $(call cc-option, -EL)
  40 KBUILD_AFLAGS   += $(call cc-option, -EL)
  41 KBUILD_LDFLAGS  += $(call cc-option, -EL)
  42 CHECKFLAGS      += -D__NDS32_EL__
  43 else
  44 KBUILD_CFLAGS   += $(call cc-option, -EB)
  45 KBUILD_AFLAGS   += $(call cc-option, -EB)
  46 KBUILD_LDFLAGS  += $(call cc-option, -EB)
  47 CHECKFLAGS      += -D__NDS32_EB__
  48 endif
  49
  50 boot := arch/nds32/boot
  51 core-y += $(boot)/dts/
  52
  53 Image: vmlinux
  54         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  55
  56
  57 PHONY += vdso_install
  58 vdso_install:
  59         $(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso $@
  60
  61 prepare: vdso_prepare
  62 vdso_prepare: prepare0
  63         $(Q)$(MAKE) $(build)=arch/nds32/kernel/vdso include/generated/vdso-offsets.h
  64
  65 archclean:
  66         $(Q)$(MAKE) $(clean)=$(boot)
  67
  68 define archhelp
  69   echo  '  Image         - kernel image (arch/$(ARCH)/boot/Image)'
  70 endef