Makefile 2.4 KB

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  1. # SPDX-License-Identifier: GPL-2.0-only
  2. #
  3. # linux/arch/parisc/boot/compressed/Makefile
  4. #
  5. # create a compressed self-extracting vmlinux image from the original vmlinux
  6. #
  7. KCOV_INSTRUMENT := n
  8. GCOV_PROFILE := n
  9. UBSAN_SANITIZE := n
  10. OBJECTS := head.o real2.o firmware.o misc.o piggy.o
  11. targets := vmlinux.lds vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2
  12. targets += vmlinux.bin.xz vmlinux.bin.lzma vmlinux.bin.lzo vmlinux.bin.lz4
  13. targets += $(OBJECTS) sizes.h
  14. KBUILD_CFLAGS := -D__KERNEL__ -O2 -DBOOTLOADER
  15. KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
  16. KBUILD_CFLAGS += -fno-strict-aliasing
  17. KBUILD_CFLAGS += $(cflags-y) -fno-delete-null-pointer-checks -fno-builtin-printf
  18. KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
  19. ifndef CONFIG_64BIT
  20. KBUILD_CFLAGS += -mfast-indirect-calls
  21. endif
  22. LDFLAGS_vmlinux := -X -e startup --as-needed -T
  23. $(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE
  24. $(call if_changed,ld)
  25. sed-sizes := -e 's/^\([0-9a-fA-F]*\) . \(__bss_start\|_end\|parisc_kernel_start\)$$/\#define SZ\2 0x\1/p'
  26. quiet_cmd_sizes = GEN $@
  27. cmd_sizes = $(NM) $< | sed -n $(sed-sizes) > $@
  28. $(obj)/sizes.h: vmlinux FORCE
  29. $(call if_changed,sizes)
  30. AFLAGS_head.o += -I$(objtree)/$(obj) -DBOOTLOADER
  31. $(obj)/head.o: $(obj)/sizes.h
  32. CFLAGS_misc.o += -I$(objtree)/$(obj)
  33. $(obj)/misc.o: $(obj)/sizes.h
  34. AFLAGS_real2.o += -DBOOTLOADER
  35. CPPFLAGS_vmlinux.lds += -I$(objtree)/$(obj) -DBOOTLOADER
  36. $(obj)/vmlinux.lds: $(obj)/sizes.h
  37. OBJCOPYFLAGS_vmlinux.bin := -R .comment -R .note -S
  38. $(obj)/vmlinux.bin: vmlinux FORCE
  39. $(call if_changed,objcopy)
  40. suffix-$(CONFIG_KERNEL_GZIP) := gz
  41. suffix-$(CONFIG_KERNEL_BZIP2) := bz2
  42. suffix-$(CONFIG_KERNEL_LZ4) := lz4
  43. suffix-$(CONFIG_KERNEL_LZMA) := lzma
  44. suffix-$(CONFIG_KERNEL_LZO) := lzo
  45. suffix-$(CONFIG_KERNEL_XZ) := xz
  46. $(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
  47. $(call if_changed,gzip)
  48. $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
  49. $(call if_changed,bzip2_with_size)
  50. $(obj)/vmlinux.bin.lz4: $(obj)/vmlinux.bin FORCE
  51. $(call if_changed,lz4_with_size)
  52. $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
  53. $(call if_changed,lzma_with_size)
  54. $(obj)/vmlinux.bin.lzo: $(obj)/vmlinux.bin FORCE
  55. $(call if_changed,lzo_with_size)
  56. $(obj)/vmlinux.bin.xz: $(obj)/vmlinux.bin FORCE
  57. $(call if_changed,xzkern_with_size)
  58. LDFLAGS_piggy.o := -r --format binary --oformat $(LD_BFD) -T
  59. $(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
  60. $(call if_changed,ld)