Makefile 2.1 KB

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  1. # $Id: Makefile,v 1.52 2002/02/09 19:49:31 davem Exp $
  2. # sparc64/Makefile
  3. #
  4. # Makefile for the architecture dependent flags and dependencies on the
  5. # 64-bit Sparc.
  6. #
  7. # Copyright (C) 1996,1998 David S. Miller (davem@caip.rutgers.edu)
  8. # Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
  9. #
  10. CHECKFLAGS += -D__sparc__ -D__sparc_v9__ -m64
  11. CPPFLAGS_vmlinux.lds += -Usparc
  12. CC := $(shell if $(CC) -m64 -S -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo $(CC); else echo sparc64-linux-gcc; fi )
  13. NEW_GCC := $(call cc-option-yn, -m64 -mcmodel=medlow)
  14. NEW_GAS := $(shell if $(LD) -V 2>&1 | grep 'elf64_sparc' > /dev/null; then echo y; else echo n; fi)
  15. UNDECLARED_REGS := $(shell if $(CC) -c -x assembler /dev/null -Wa,--help | grep undeclared-regs > /dev/null; then echo y; else echo n; fi; )
  16. ifneq ($(NEW_GAS),y)
  17. AS = sparc64-linux-as
  18. LD = sparc64-linux-ld
  19. NM = sparc64-linux-nm
  20. AR = sparc64-linux-ar
  21. RANLIB = sparc64-linux-ranlib
  22. else
  23. AS := $(AS) -64
  24. LDFLAGS := -m elf64_sparc
  25. endif
  26. ifneq ($(UNDECLARED_REGS),y)
  27. CC_UNDECL =
  28. else
  29. CC_UNDECL = -Wa,--undeclared-regs
  30. AS := $(AS) --undeclared-regs
  31. endif
  32. ifneq ($(NEW_GCC),y)
  33. KBUILD_CFLAGS += -pipe -mno-fpu -mtune=ultrasparc -mmedlow \
  34. -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare
  35. else
  36. KBUILD_CFLAGS += -m64 -pipe -mno-fpu -mcpu=ultrasparc -mcmodel=medlow \
  37. -ffixed-g4 -ffixed-g5 -fcall-used-g7 -Wno-sign-compare \
  38. $(CC_UNDECL)
  39. KBUILD_AFLAGS += -m64 -mcpu=ultrasparc $(CC_UNDECL)
  40. endif
  41. ifeq ($(CONFIG_MCOUNT),y)
  42. KBUILD_CFLAGS += -pg
  43. endif
  44. head-y := arch/sparc64/kernel/head.o arch/sparc64/kernel/init_task.o
  45. core-y += arch/sparc64/kernel/ arch/sparc64/mm/
  46. core-$(CONFIG_SOLARIS_EMUL) += arch/sparc64/solaris/
  47. core-y += arch/sparc64/math-emu/
  48. libs-y += arch/sparc64/prom/ arch/sparc64/lib/
  49. drivers-$(CONFIG_OPROFILE) += arch/sparc64/oprofile/
  50. boot := arch/sparc64/boot
  51. image tftpboot.img vmlinux.aout: vmlinux
  52. $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
  53. archclean:
  54. $(Q)$(MAKE) $(clean)=$(boot)
  55. define archhelp
  56. echo '* vmlinux - Standard sparc64 kernel'
  57. echo ' vmlinux.aout - a.out kernel for sparc64'
  58. echo ' tftpboot.img - Image prepared for tftp'
  59. endef