arch/hexagon/Makefile

   1 #  Makefile for the Hexagon arch
   2
   3 KBUILD_DEFCONFIG = comet_defconfig
   4
   5 # Do not use GP-relative jumps
   6 KBUILD_CFLAGS += -G0
   7 LDFLAGS_vmlinux += -G0
   8
   9 # Do not use single-byte enums; these will overflow.
  10 KBUILD_CFLAGS += -fno-short-enums
  11
  12 # Modules must use either long-calls, or use pic/plt.
  13 # Use long-calls for now, it's easier.  And faster.
  14 # CFLAGS_MODULE += -fPIC
  15 # LDFLAGS_MODULE += -shared
  16 CFLAGS_MODULE += -mlong-calls
  17
  18 cflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
  19 cflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
  20 cflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
  21 cflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
  22
  23 aflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
  24 aflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
  25 aflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
  26 aflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
  27
  28 ldflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
  29 ldflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
  30 ldflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
  31 ldflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
  32
  33 KBUILD_CFLAGS += $(cflags-y)
  34 KBUILD_AFLAGS += $(aflags-y)
  35
  36 #  no KBUILD_LDFLAGS?
  37 LDFLAGS += $(ldflags-y)
  38
  39 # Thread-info register will be r19.  This value is not configureable;
  40 # it is hard-coded in several files.
  41 TIR_NAME := r19
  42 KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
  43 KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
  44
  45 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  46 libs-y += $(LIBGCC)
  47
  48 head-y := arch/hexagon/kernel/head.o \
  49         arch/hexagon/kernel/init_task.o
  50
  51 core-y += arch/hexagon/kernel/ \
  52         arch/hexagon/mm/ \
  53         arch/hexagon/lib/
  54
  55 #       arch/hexagon/platform/common/
  56 #
  57 #core-$(CONFIG_HEXAGON_COMET)           += arch/hexagon/platform/comet/
  58 #machine-$(CONFIG_HEXAGON_COMET)                := comet