Makefile 1.8 KB

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