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Makefile

Makefile 2.5 KB
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  1. # 
    2. 

  2. # Copyright (C) 2006-2010 OpenWrt.org
    3. 

  3. #
    4. 

  4. # This is free software, licensed under the GNU General Public License v2.
    5. 

  5. # See /LICENSE for more information.
    6. 

  6. #
    7. 

  7. 

  8. JFFS2_BLOCKSIZE = 128k
    9. 

  9. 

  10. include $(TOPDIR)/rules.mk
    11. 

  11. include $(INCLUDE_DIR)/image.mk
    12. 

  12. 

  13. LOADADDR = 0x81000000		# RAM start + 16M 
    14. 

  14. KERNEL_ENTRY = 0x80100000
    15. 

  15. RAMSIZE = 0x00100000		# 1MB
    16. 

  16. 

  17. FLASH_KERNEL := 0xBFD00000
    18. 

  18. FLASH_FS     := 0xBE000000
    19. 

  19. 

  20. LOADER_MAKEOPTS= \
    21. 

  21. 		KDIR=$(KDIR) \
    22. 

  22. 		LOADADDR=$(LOADADDR) \
    23. 

  23. 		KERNEL_ENTRY=$(KERNEL_ENTRY) \
    24. 

  24. 		RAMSIZE=$(RAMSIZE)
    25. 

  25. 

  26. define Build/Clean
    27. 

  27. 	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
    28. 

  28. endef
    29. 

  29. 

  30. DROP_SECTIONS := .reginfo .mdebug .comment .note .pdr .options .MIPS.options
    31. 

  31. OBJCOPY_SREC := $(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))
    32. 

  32. OBJCOPY_BIN := $(TARGET_CROSS)objcopy -S -O binary $(addprefix --remove-section=,$(DROP_SECTIONS))
    33. 

  33. 

  34. define Image/Prepare
    35. 

  35. 	cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
    36. 

  36. 

  37. 	# Build RAM image
    38. 

  38. 	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
    39. 

  39. 		$(LOADER_MAKEOPTS) \
    40. 

  40. 		clean compile
    41. 

  41. 	$(OBJCOPY_SREC) $(KDIR)/loader.elf $(KDIR)/kernel.ram.srec
    42. 

  42. 

  43. 	# Build Flash image
    44. 

  44. 	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
    45. 

  45. 		$(LOADER_MAKEOPTS) \
    46. 

  46. 		IMAGE_COPY=1 \
    47. 

  47. 		LOADER_ENTRY=$(FLASH_KERNEL) \
    48. 

  48. 		LOADER_TYPE=_flash \
    49. 

  49. 		clean compile
    50. 

  50. 	$(OBJCOPY_SREC) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.srec
    51. 

  51. 	$(OBJCOPY_BIN) $(KDIR)/loader_flash.elf $(KDIR)/kernel.flash.bin
    52. 

  52. endef
    53. 

  53. 

  54. define Image/Build/Initramfs
    55. 

  55. 	$(OBJCOPY_SREC) $(KDIR)/vmlinux-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs.srec
    56. 

  56. endef
    57. 

  57. 

  58. define Image/Build
    59. 

  59. 	$(SCRIPT_DIR)/srecimage.pl $(KDIR)/root.$(1) $(KDIR)/root.$(1).srec $(FLASH_FS)
    60. 

  60. 	grep -v S7 $(KDIR)/root.$(1).srec > $(BIN_DIR)/$(IMG_PREFIX)-$(1).srec
    61. 

  61. 	grep -v S0 $(KDIR)/kernel.flash.srec >> $(BIN_DIR)/$(IMG_PREFIX)-$(1).srec
    62. 

  62. 	$(INSTALL_BIN) $(KDIR)/kernel.flash.bin $(BIN_DIR)/$(IMG_PREFIX)-vmlinux.bin
    63. 

  63. 	$(CP) $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).fs
    64. 

  64. 	$(CP) $(KDIR)/kernel.flash.srec $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-flash.srec
    65. 

  65. 	$(CP) $(KDIR)/kernel.ram.srec $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-ram.srec
    66. 

  66. 	$(CP) $(BIN_DIR)/$(IMG_PREFIX)-$(1).fs $(TMP_DIR)/$(IMG_PREFIX)-root.fs
    67. 

  67. 	tar -C $(BIN_DIR) -cvzf $(BIN_DIR)/$(IMG_PREFIX)-$(1)-sysupgrade.bin \
    68. 

  68. 		$(IMG_PREFIX)-vmlinux.bin -C $(TMP_DIR) $(IMG_PREFIX)-root.fs
    69. 

  69. ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
    70. 

  70. 	$(call Image/Build/Initramfs)
    71. 

  71. endif
    72. 

  72. endef
    73. 

  73. 

  74. $(eval $(call BuildImage))
    75.