/arch/mips/boot/compressed/Makefile

http://github.com/mirrors/linux · Makefile · 148 lines · 94 code · 32 blank · 22 comment · 0 complexity · a7aace193cd3b8a1c992a5688612e198 MD5 · raw file

  1. #
  2. # This file is subject to the terms and conditions of the GNU General Public
  3. # License.
  4. #
  5. # Adapted for MIPS Pete Popov, Dan Malek
  6. #
  7. # Copyright (C) 1994 by Linus Torvalds
  8. # Adapted for PowerPC by Gary Thomas
  9. # modified by Cort (cort@cs.nmt.edu)
  10. #
  11. # Copyright (C) 2009 Lemote Inc. & DSLab, Lanzhou University
  12. # Author: Wu Zhangjin <wuzhangjin@gmail.com>
  13. #
  14. include $(srctree)/arch/mips/Kbuild.platforms
  15. # set the default size of the mallocing area for decompressing
  16. BOOT_HEAP_SIZE := 0x400000
  17. # Disable Function Tracer
  18. KBUILD_CFLAGS := $(filter-out -pg, $(KBUILD_CFLAGS))
  19. KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
  20. KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ \
  21. -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
  22. KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
  23. -DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) \
  24. -DKERNEL_ENTRY=$(VMLINUX_ENTRY_ADDRESS)
  25. # Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
  26. KCOV_INSTRUMENT := n
  27. # decompressor objects (linked with vmlinuz)
  28. vmlinuzobjs-y := $(obj)/head.o $(obj)/decompress.o $(obj)/string.o
  29. ifdef CONFIG_DEBUG_ZBOOT
  30. vmlinuzobjs-$(CONFIG_DEBUG_ZBOOT) += $(obj)/dbg.o
  31. vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART16550) += $(obj)/uart-16550.o
  32. vmlinuzobjs-$(CONFIG_SYS_SUPPORTS_ZBOOT_UART_PROM) += $(obj)/uart-prom.o
  33. vmlinuzobjs-$(CONFIG_MIPS_ALCHEMY) += $(obj)/uart-alchemy.o
  34. vmlinuzobjs-$(CONFIG_ATH79) += $(obj)/uart-ath79.o
  35. endif
  36. extra-y += uart-ath79.c
  37. $(obj)/uart-ath79.c: $(srctree)/arch/mips/ath79/early_printk.c
  38. $(call cmd,shipped)
  39. vmlinuzobjs-$(CONFIG_KERNEL_XZ) += $(obj)/ashldi3.o $(obj)/bswapsi.o
  40. extra-y += ashldi3.c
  41. $(obj)/ashldi3.c: $(obj)/%.c: $(srctree)/lib/%.c FORCE
  42. $(call if_changed,shipped)
  43. extra-y += bswapsi.c
  44. $(obj)/bswapsi.c: $(obj)/%.c: $(srctree)/arch/mips/lib/%.c FORCE
  45. $(call if_changed,shipped)
  46. targets := $(notdir $(vmlinuzobjs-y))
  47. targets += vmlinux.bin
  48. OBJCOPYFLAGS_vmlinux.bin := $(OBJCOPYFLAGS) -O binary -R .comment -S
  49. $(obj)/vmlinux.bin: $(KBUILD_IMAGE) FORCE
  50. $(call if_changed,objcopy)
  51. tool_$(CONFIG_KERNEL_GZIP) = gzip
  52. tool_$(CONFIG_KERNEL_BZIP2) = bzip2
  53. tool_$(CONFIG_KERNEL_LZ4) = lz4
  54. tool_$(CONFIG_KERNEL_LZMA) = lzma
  55. tool_$(CONFIG_KERNEL_LZO) = lzo
  56. tool_$(CONFIG_KERNEL_XZ) = xzkern
  57. targets += vmlinux.bin.z
  58. $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE
  59. $(call if_changed,$(tool_y))
  60. targets += piggy.o dummy.o
  61. OBJCOPYFLAGS_piggy.o := --add-section=.image=$(obj)/vmlinux.bin.z \
  62. --set-section-flags=.image=contents,alloc,load,readonly,data
  63. $(obj)/piggy.o: $(obj)/dummy.o $(obj)/vmlinux.bin.z FORCE
  64. $(call if_changed,objcopy)
  65. HOSTCFLAGS_calc_vmlinuz_load_addr.o += $(LINUXINCLUDE)
  66. # Calculate the load address of the compressed kernel image
  67. hostprogs := calc_vmlinuz_load_addr
  68. ifneq ($(zload-y),)
  69. VMLINUZ_LOAD_ADDRESS := $(zload-y)
  70. else
  71. VMLINUZ_LOAD_ADDRESS = $(shell $(obj)/calc_vmlinuz_load_addr \
  72. $(obj)/vmlinux.bin $(VMLINUX_LOAD_ADDRESS))
  73. endif
  74. UIMAGE_LOADADDR = $(VMLINUZ_LOAD_ADDRESS)
  75. vmlinuzobjs-y += $(obj)/piggy.o
  76. quiet_cmd_zld = LD $@
  77. cmd_zld = $(LD) $(KBUILD_LDFLAGS) -Ttext $(VMLINUZ_LOAD_ADDRESS) -T $< $(vmlinuzobjs-y) -o $@
  78. quiet_cmd_strip = STRIP $@
  79. cmd_strip = $(STRIP) -s $@
  80. vmlinuz: $(src)/ld.script $(vmlinuzobjs-y) $(obj)/calc_vmlinuz_load_addr
  81. $(call cmd,zld)
  82. $(call cmd,strip)
  83. #
  84. # Some DECstations need all possible sections of an ECOFF executable
  85. #
  86. ifdef CONFIG_MACH_DECSTATION
  87. e2eflag := -a
  88. endif
  89. # elf2ecoff can only handle 32bit image
  90. hostprogs += ../elf2ecoff
  91. ifdef CONFIG_32BIT
  92. VMLINUZ = vmlinuz
  93. else
  94. VMLINUZ = vmlinuz.32
  95. endif
  96. quiet_cmd_32 = OBJCOPY $@
  97. cmd_32 = $(OBJCOPY) -O $(32bit-bfd) $(OBJCOPYFLAGS) $< $@
  98. vmlinuz.32: vmlinuz
  99. $(call cmd,32)
  100. quiet_cmd_ecoff = ECOFF $@
  101. cmd_ecoff = $< $(VMLINUZ) $@ $(e2eflag)
  102. vmlinuz.ecoff: $(obj)/../elf2ecoff $(VMLINUZ)
  103. $(call cmd,ecoff)
  104. OBJCOPYFLAGS_vmlinuz.bin := $(OBJCOPYFLAGS) -O binary
  105. vmlinuz.bin: vmlinuz
  106. $(call cmd,objcopy)
  107. OBJCOPYFLAGS_vmlinuz.srec := $(OBJCOPYFLAGS) -S -O srec
  108. vmlinuz.srec: vmlinuz
  109. $(call cmd,objcopy)
  110. uzImage.bin: vmlinuz.bin FORCE
  111. $(call if_changed,uimage,none)
  112. clean-files += $(objtree)/vmlinuz
  113. clean-files += $(objtree)/vmlinuz.32
  114. clean-files += $(objtree)/vmlinuz.ecoff
  115. clean-files += $(objtree)/vmlinuz.bin
  116. clean-files += $(objtree)/vmlinuz.srec