Makefile 1.6 KB

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  1. #
  2. # linux/arch/sh/boot/compressed/Makefile
  3. #
  4. # create a compressed vmlinux image from the original vmlinux
  5. #
  6. targets := vmlinux vmlinux.bin vmlinux.bin.gz \
  7. vmlinux.bin.bz2 vmlinux.bin.lzma \
  8. vmlinux.bin.lzo \
  9. head_$(BITS).o misc.o piggy.o
  10. OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
  11. ifdef CONFIG_SH_STANDARD_BIOS
  12. OBJECTS += $(obj)/../../kernel/sh_bios.o
  13. endif
  14. #
  15. # IMAGE_OFFSET is the load offset of the compression loader
  16. #
  17. IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
  18. $$[$(CONFIG_PAGE_OFFSET) + \
  19. $(KERNEL_MEMORY) + \
  20. $(CONFIG_BOOT_LINK_OFFSET)]')
  21. LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  22. ifeq ($(CONFIG_MCOUNT),y)
  23. ORIG_CFLAGS := $(KBUILD_CFLAGS)
  24. KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
  25. endif
  26. LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
  27. -T $(obj)/../../kernel/vmlinux.lds
  28. $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
  29. $(call if_changed,ld)
  30. @:
  31. $(obj)/vmlinux.bin: vmlinux FORCE
  32. $(call if_changed,objcopy)
  33. vmlinux.bin.all-y := $(obj)/vmlinux.bin
  34. $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
  35. $(call if_changed,gzip)
  36. $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
  37. $(call if_changed,bzip2)
  38. $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
  39. $(call if_changed,lzma)
  40. $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
  41. $(call if_changed,lzo)
  42. OBJCOPYFLAGS += -R .empty_zero_page
  43. LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
  44. $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  45. $(call if_changed,ld)