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Makefile

Makefile 2.4 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. include $(TOPDIR)/rules.mk
    8. 

  8. include $(INCLUDE_DIR)/image.mk
    9. 

  9. 

  10. LOADADDR = 0x81000000		# RAM start + 16M
    11. 

  11. KERNEL_ENTRY = 0x80101000
    12. 

  12. RAMSIZE = 0x00100000		# 1MB
    13. 

  13. IMAGE_COPY = 1
    14. 

  14. 

  15. LOADER_MAKEOPTS= \
    16. 

  16. 		KDIR=$(KDIR) \
    17. 

  17. 		LOADADDR=$(LOADADDR) \
    18. 

  18. 		KERNEL_ENTRY=$(KERNEL_ENTRY) \
    19. 

  19. 		RAMSIZE=$(RAMSIZE) \
    20. 

  20. 		IMAGE_COPY=$(IMAGE_COPY)
    21. 

  21. 

  22. define Build/Clean
    23. 

  23. 	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
    24. 

  24. endef
    25. 

  25. 

  26. define Image/Prepare
    27. 

  27. 	cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
    28. 

  28. 	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
    29. 

  29. ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
    30. 

  30. 	$(STAGING_DIR_HOST)/bin/patch-cmdline $(KDIR)/vmlinux-initramfs '$(strip $(call Image/cmdline/yaffs2)) '
    31. 

  31. 	cat $(KDIR)/vmlinux-initramfs | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux-initramfs.lzma
    32. 

  32. 	$(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean compile
    33. 

  33. 	$(CP) $(KDIR)/loader.elf $(KDIR)/loader-initramfs.elf
    34. 

  34. endif
    35. 

  35. endef
    36. 

  36. 

  37. VMLINUX:=$(BIN_DIR)/$(IMG_PREFIX)-vmlinux-kernel
    38. 

  38. 

  39. define Image/BuildKernel
    40. 

  40. 	$(CP) $(KDIR)/loader.elf $(VMLINUX)
    41. 

  41. ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
    42. 

  42. 	$(CP) $(KDIR)/loader-initramfs.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux-initramfs
    43. 

  43. endif
    44. 

  44. endef
    45. 

  45. 

  46. define Image/cmdline/jffs2-64k
    47. 

  47. block2mtd.block2mtd=/dev/sda2,65536 root=/dev/mtdblock2 rootfstype=jffs2
    48. 

  48. endef
    49. 

  49. 

  50. define Image/cmdline/jffs2-128k
    51. 

  51. block2mtd.block2mtd=/dev/sda2,131072 root=/dev/mtdblock2 rootfstype=jffs2
    52. 

  52. endef
    53. 

  53. 

  54. define Image/cmdline/ext4
    55. 

  55. root=/dev/sda2 rootfstype=ext4
    56. 

  56. endef
    57. 

  57. 

  58. define Image/cmdline/squashfs
    59. 

  59. block2mtd.block2mtd=/dev/sda2,65536,rootfs root=/dev/mtdblock2 rootfstype=squashfs
    60. 

  60. endef
    61. 

  61. 

  62. define Image/cmdline/yaffs2
    63. 

  63. root=/dev/mtdblock1 rootfstype=yaffs2
    64. 

  64. endef
    65. 

  65. 

  66. define Image/Build/squashfs
    67. 

  67. 	$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
    68. 

  68. endef
    69. 

  69. 

  70. define Image/Build
    71. 

  71. 	$(call Image/Build/$(1),$(1))
    72. 

  72. 	$(CP) $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel
    73. 

  73. 	$(STAGING_DIR_HOST)/bin/patch-cmdline $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel '$(strip $(call Image/cmdline/$(1))) '
    74. 

  74. 	./gen_image.sh $(BIN_DIR)/$(IMG_PREFIX)-combined-$(1).bin \
    75. 

  75. 		5 $(BIN_DIR)/$(IMG_PREFIX)-$(1).kernel \
    76. 

  76. 		$(CONFIG_TARGET_ROOTFS_PARTSIZE) $(KDIR)/root.$(1) \
    77. 

  77. 		128
    78. 

  78. endef
    79. 

  79. 

  80. $(eval $(call BuildImage))
    81.