Eric Lee / smarc-fsl-linux-kernel

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arch/hexagon/Makefile 1.82 KB
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e95bf452a   Richard Kuo   Hexagon: Add conf... 
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  #  Makefile for the Hexagon arch
  
  KBUILD_DEFCONFIG = comet_defconfig
  
  # Do not use GP-relative jumps
  KBUILD_CFLAGS += -G0
  LDFLAGS_vmlinux += -G0
  
  # Do not use single-byte enums; these will overflow.
  KBUILD_CFLAGS += -fno-short-enums
  
  # Modules must use either long-calls, or use pic/plt.
  # Use long-calls for now, it's easier.  And faster.
  # CFLAGS_MODULE += -fPIC
  # LDFLAGS_MODULE += -shared
  CFLAGS_MODULE += -mlong-calls
  
  cflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
  cflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
  cflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
  cflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
  
  aflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
  aflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
  aflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
  aflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
  
  ldflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
  ldflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
  ldflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
  ldflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
  
  KBUILD_CFLAGS += $(cflags-y)
  KBUILD_AFLAGS += $(aflags-y)
  
  #  no KBUILD_LDFLAGS?
  LDFLAGS += $(ldflags-y)
  
  # Thread-info register will be r19.  This value is not configureable;
  # it is hard-coded in several files.
  TIR_NAME := r19
  KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
  KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
  
  LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  libs-y += $(LIBGCC)
  
  head-y := arch/hexagon/kernel/head.o \
  	arch/hexagon/kernel/init_task.o
  
  core-y += arch/hexagon/kernel/ \
  	arch/hexagon/mm/ \
  	arch/hexagon/lib/
  
  #	arch/hexagon/platform/common/
  #
  #core-$(CONFIG_HEXAGON_COMET)		+= arch/hexagon/platform/comet/
  #machine-$(CONFIG_HEXAGON_COMET)		:= comet