arch/csky/Makefile

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 OBJCOPYFLAGS            :=-O binary
   3 GZFLAGS                 :=-9
   4 KBUILD_DEFCONFIG        := defconfig
   5
   6 ifdef CONFIG_CPU_HAS_FPU
   7 FPUEXT = f
   8 endif
   9
  10 ifdef CONFIG_CPU_HAS_VDSP
  11 VDSPEXT = v
  12 endif
  13
  14 ifdef CONFIG_CPU_HAS_TEE
  15 TEEEXT = t
  16 endif
  17
  18 ifdef CONFIG_CPU_CK610
  19 CPUTYPE = ck610
  20 CSKYABI = abiv1
  21 endif
  22
  23 ifdef CONFIG_CPU_CK810
  24 CPUTYPE = ck810
  25 CSKYABI = abiv2
  26 endif
  27
  28 ifdef CONFIG_CPU_CK807
  29 CPUTYPE = ck807
  30 CSKYABI = abiv2
  31 endif
  32
  33 ifdef CONFIG_CPU_CK860
  34 CPUTYPE = ck860
  35 CSKYABI = abiv2
  36 endif
  37
  38 ifneq ($(CSKYABI),)
  39 MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEEXT)
  40 KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$(MCPU_STR)
  41 KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_STR)\"
  42 KBUILD_CFLAGS += -msoft-float -mdiv
  43 KBUILD_CFLAGS += -fno-tree-vectorize
  44 endif
  45
  46 KBUILD_CFLAGS += -pipe
  47 ifeq ($(CSKYABI),abiv2)
  48 KBUILD_CFLAGS += -mno-stack-size
  49 endif
  50
  51 ifdef CONFIG_STACKTRACE
  52 KBUILD_CFLAGS += -mbacktrace
  53 endif
  54
  55 abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI))
  56 KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%inc,$(abidirs))
  57
  58 KBUILD_CPPFLAGS += -mlittle-endian
  59 LDFLAGS += -EL
  60
  61 KBUILD_AFLAGS += $(KBUILD_CFLAGS)
  62
  63 head-y := arch/csky/kernel/head.o
  64
  65 core-y += arch/csky/kernel/
  66 core-y += arch/csky/mm/
  67 core-y += arch/csky/$(CSKYABI)/
  68
  69 libs-y += arch/csky/lib/ \
  70         $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
  71
  72 boot := arch/csky/boot
  73 core-y += $(boot)/dts/
  74
  75 all: zImage
  76
  77 zImage Image uImage: vmlinux
  78         $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  79
  80 archclean:
  81         $(Q)$(MAKE) $(clean)=$(boot)
  82
  83 define archhelp
  84   echo  '* zImage       - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
  85   echo  '  Image        - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
  86   echo  '  uImage       - U-Boot wrapped zImage'
  87 endef