Makefile 1.5 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. #
  12. # IMAGE_OFFSET is the load offset of the compression loader
  13. #
  14. IMAGE_OFFSET := $(shell /bin/bash -c 'printf "0x%08x" \
  15. $$[$(CONFIG_PAGE_OFFSET) + \
  16. $(KERNEL_MEMORY) + \
  17. $(CONFIG_BOOT_LINK_OFFSET)]')
  18. LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
  19. ifeq ($(CONFIG_MCOUNT),y)
  20. ORIG_CFLAGS := $(KBUILD_CFLAGS)
  21. KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
  22. endif
  23. LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
  24. -T $(obj)/../../kernel/vmlinux.lds
  25. $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o $(LIBGCC) FORCE
  26. $(call if_changed,ld)
  27. @:
  28. $(obj)/vmlinux.bin: vmlinux FORCE
  29. $(call if_changed,objcopy)
  30. vmlinux.bin.all-y := $(obj)/vmlinux.bin
  31. $(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
  32. $(call if_changed,gzip)
  33. $(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
  34. $(call if_changed,bzip2)
  35. $(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
  36. $(call if_changed,lzma)
  37. $(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
  38. $(call if_changed,lzo)
  39. OBJCOPYFLAGS += -R .empty_zero_page
  40. LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
  41. $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  42. $(call if_changed,ld)