iso9660.mk 4.7 KB

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  1. ################################################################################
  2. #
  3. # Build the iso96600 root filesystem image
  4. #
  5. ################################################################################
  6. #
  7. # We need to handle three cases:
  8. #
  9. # 1. The ISO9660 filesystem will really be the real root filesystem
  10. # itself. This is when BR2_TARGET_ROOTFS_ISO9660_INITRD is
  11. # disabled.
  12. #
  13. # 2. The ISO9660 filesystem will be a filesystem with just a kernel
  14. # image, initrd and grub. This is when
  15. # BR2_TARGET_ROOTFS_ISO9660_INITRD is enabled, but
  16. # BR2_TARGET_ROOTFS_INITRAMFS is disabled.
  17. #
  18. # 3. The ISO9660 filesystem will be a filesystem with just a kernel
  19. # image and grub. This is like (2), except that the initrd is
  20. # built into the kernel image. This is when
  21. # BR2_TARGET_ROOTFS_INITRAMFS is enabled (regardless of the value
  22. # of BR2_TARGET_ROOTFS_ISO9660_INITRD).
  23. ROOTFS_ISO9660_BOOT_MENU = $(call qstrip,$(BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU))
  24. ROOTFS_ISO9660_DEPENDENCIES = host-cdrkit host-fakeroot linux
  25. ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
  26. ROOTFS_ISO9660_USE_INITRD = YES
  27. endif
  28. ifeq ($(BR2_TARGET_ROOTFS_ISO9660_INITRD),y)
  29. ROOTFS_ISO9660_USE_INITRD = YES
  30. endif
  31. ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES)
  32. ROOTFS_ISO9660_TARGET_DIR = $(BUILD_DIR)/rootfs-iso9660.tmp
  33. define ROOTFS_ISO9660_CREATE_TEMPDIR
  34. $(RM) -rf $(ROOTFS_ISO9660_TARGET_DIR)
  35. mkdir -p $(ROOTFS_ISO9660_TARGET_DIR)
  36. endef
  37. else
  38. ROOTFS_ISO9660_TARGET_DIR = $(TARGET_DIR)
  39. endif
  40. ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
  41. ROOTFS_ISO9660_DEPENDENCIES += grub
  42. ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
  43. $(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/menu.lst
  44. ROOTFS_ISO9660_BOOT_IMAGE = boot/grub/stage2_eltorito
  45. define ROOTFS_ISO9660_INSTALL_BOOTLOADER
  46. $(INSTALL) -D -m 0644 $(GRUB_DIR)/stage2/stage2_eltorito \
  47. $(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/stage2_eltorito
  48. endef
  49. else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_ISOLINUX),y)
  50. ROOTFS_ISO9660_DEPENDENCIES += syslinux
  51. ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
  52. $(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.cfg
  53. ROOTFS_ISO9660_BOOT_IMAGE = isolinux/isolinux.bin
  54. define ROOTFS_ISO9660_INSTALL_BOOTLOADER
  55. $(INSTALL) -D -m 0644 $(BINARIES_DIR)/syslinux/isolinux.bin \
  56. $(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.bin
  57. $(INSTALL) -D -m 0644 $(HOST_DIR)/usr/share/syslinux/ldlinux.c32 \
  58. $(ROOTFS_ISO9660_TARGET_DIR)/isolinux/ldlinux.c32
  59. endef
  60. endif
  61. define ROOTFS_ISO9660_PREPARATION
  62. $(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_BOOT_MENU) \
  63. $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
  64. $(SED) "s%__KERNEL_PATH__%/boot/$(LINUX_IMAGE_NAME)%" \
  65. $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
  66. $(ROOTFS_ISO9660_INSTALL_BOOTLOADER)
  67. endef
  68. ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_PREPARATION
  69. # Grub splash screen disabling
  70. ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
  71. ifeq ($(BR2_TARGET_GRUB_SPLASH),)
  72. define ROOTFS_ISO9660_DISABLE_SPLASHSCREEN
  73. $(SED) '/^splashimage/d' $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
  74. endef
  75. ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_SPLASHSCREEN
  76. endif
  77. endif
  78. define ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
  79. $(SED) '/__INITRD_PATH__/d' $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
  80. endef
  81. ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES)
  82. # Copy Grub splashscreen to temporary filesystem
  83. ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
  84. ifeq ($(BR2_TARGET_GRUB_SPLASH),y)
  85. define ROOTFS_ISO9660_INSTALL_SPLASHSCREEN
  86. $(INSTALL) -D -m 0644 $(TARGET_DIR)/boot/grub/splash.xpm.gz \
  87. $(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/splash.xpm.gz
  88. endef
  89. ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_INSTALL_SPLASHSCREEN
  90. endif
  91. endif
  92. # Copy the kernel to temporary filesystem
  93. define ROOTFS_ISO9660_COPY_KERNEL
  94. $(INSTALL) -D -m 0644 $(LINUX_IMAGE_PATH) \
  95. $(ROOTFS_ISO9660_TARGET_DIR)/boot/$(LINUX_IMAGE_NAME)
  96. endef
  97. ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_KERNEL
  98. # If initramfs is used, disable loading the initrd as the rootfs is
  99. # already inside the kernel image. Otherwise, make sure a cpio is
  100. # generated and use it as the initrd.
  101. ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
  102. ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
  103. else
  104. ROOTFS_ISO9660_DEPENDENCIES += rootfs-cpio
  105. define ROOTFS_ISO9660_COPY_INITRD
  106. $(INSTALL) -D -m 0644 $(BINARIES_DIR)/rootfs.cpio$(ROOTFS_CPIO_COMPRESS_EXT) \
  107. $(ROOTFS_ISO9660_TARGET_DIR)/boot/initrd
  108. $(SED) "s%__INITRD_PATH__%/boot/initrd%" \
  109. $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
  110. endef
  111. ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_INITRD
  112. endif
  113. else # ROOTFS_ISO9660_USE_INITRD
  114. ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
  115. endif # ROOTFS_ISO9660_USE_INITRD
  116. define ROOTFS_ISO9660_CMD
  117. $(HOST_DIR)/usr/bin/genisoimage -J -R -b $(ROOTFS_ISO9660_BOOT_IMAGE) \
  118. -no-emul-boot -boot-load-size 4 -boot-info-table \
  119. -o $@ $(ROOTFS_ISO9660_TARGET_DIR)
  120. endef
  121. $(eval $(call ROOTFS_TARGET,iso9660))