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-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
  19 aflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
  20 ldflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
  21
  22 KBUILD_CFLAGS += $(cflags-y)
  23 KBUILD_AFLAGS += $(aflags-y)
  24
  25 #  no KBUILD_LDFLAGS?
  26 LDFLAGS += $(ldflags-y)
  27
  28 # Thread-info register will be r19.  This value is not configureable;
  29 # it is hard-coded in several files.
  30 TIR_NAME := r19
  31 KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
  32 KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
  33
  34 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  35 libs-y += $(LIBGCC)
  36
  37 head-y := arch/hexagon/kernel/head.o
  38
  39 core-y += arch/hexagon/kernel/ \
  40         arch/hexagon/mm/ \
  41         arch/hexagon/lib/