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- ################################################################################
- #
- # Build the iso96600 root filesystem image
- #
- ################################################################################
- #
- # We need to handle three cases:
- #
- # 1. The ISO9660 filesystem will really be the real root filesystem
- # itself. This is when BR2_TARGET_ROOTFS_ISO9660_INITRD is
- # disabled.
- #
- # 2. The ISO9660 filesystem will be a filesystem with just a kernel
- # image, initrd and grub. This is when
- # BR2_TARGET_ROOTFS_ISO9660_INITRD is enabled, but
- # BR2_TARGET_ROOTFS_INITRAMFS is disabled.
- #
- # 3. The ISO9660 filesystem will be a filesystem with just a kernel
- # image and grub. This is like (2), except that the initrd is
- # built into the kernel image. This is when
- # BR2_TARGET_ROOTFS_INITRAMFS is enabled (regardless of the value
- # of BR2_TARGET_ROOTFS_ISO9660_INITRD).
- ROOTFS_ISO9660_BOOT_MENU = $(call qstrip,$(BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU))
- ROOTFS_ISO9660_DEPENDENCIES = host-cdrkit host-fakeroot linux
- ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
- ROOTFS_ISO9660_USE_INITRD = YES
- endif
- ifeq ($(BR2_TARGET_ROOTFS_ISO9660_INITRD),y)
- ROOTFS_ISO9660_USE_INITRD = YES
- endif
- ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES)
- ROOTFS_ISO9660_TARGET_DIR = $(BUILD_DIR)/rootfs-iso9660.tmp
- define ROOTFS_ISO9660_CREATE_TEMPDIR
- $(RM) -rf $(ROOTFS_ISO9660_TARGET_DIR)
- mkdir -p $(ROOTFS_ISO9660_TARGET_DIR)
- endef
- else
- ROOTFS_ISO9660_TARGET_DIR = $(TARGET_DIR)
- endif
- ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
- ROOTFS_ISO9660_DEPENDENCIES += grub
- ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
- $(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/menu.lst
- ROOTFS_ISO9660_BOOT_IMAGE = boot/grub/stage2_eltorito
- define ROOTFS_ISO9660_INSTALL_BOOTLOADER
- $(INSTALL) -D -m 0644 $(GRUB_DIR)/stage2/stage2_eltorito \
- $(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/stage2_eltorito
- endef
- else ifeq ($(BR2_TARGET_ROOTFS_ISO9660_ISOLINUX),y)
- ROOTFS_ISO9660_DEPENDENCIES += syslinux
- ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
- $(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.cfg
- ROOTFS_ISO9660_BOOT_IMAGE = isolinux/isolinux.bin
- define ROOTFS_ISO9660_INSTALL_BOOTLOADER
- $(INSTALL) -D -m 0644 $(BINARIES_DIR)/syslinux/isolinux.bin \
- $(ROOTFS_ISO9660_TARGET_DIR)/isolinux/isolinux.bin
- $(INSTALL) -D -m 0644 $(HOST_DIR)/usr/share/syslinux/ldlinux.c32 \
- $(ROOTFS_ISO9660_TARGET_DIR)/isolinux/ldlinux.c32
- endef
- endif
- define ROOTFS_ISO9660_PREPARATION
- $(INSTALL) -D -m 0644 $(ROOTFS_ISO9660_BOOT_MENU) \
- $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
- $(SED) "s%__KERNEL_PATH__%/boot/$(LINUX_IMAGE_NAME)%" \
- $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
- $(ROOTFS_ISO9660_INSTALL_BOOTLOADER)
- endef
- ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_PREPARATION
- # Grub splash screen disabling
- ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
- ifeq ($(BR2_TARGET_GRUB_SPLASH),)
- define ROOTFS_ISO9660_DISABLE_SPLASHSCREEN
- $(SED) '/^splashimage/d' $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
- endef
- ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_SPLASHSCREEN
- endif
- endif
- define ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
- $(SED) '/__INITRD_PATH__/d' $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
- endef
- ifeq ($(ROOTFS_ISO9660_USE_INITRD),YES)
- # Copy Grub splashscreen to temporary filesystem
- ifeq ($(BR2_TARGET_ROOTFS_ISO9660_GRUB),y)
- ifeq ($(BR2_TARGET_GRUB_SPLASH),y)
- define ROOTFS_ISO9660_INSTALL_SPLASHSCREEN
- $(INSTALL) -D -m 0644 $(TARGET_DIR)/boot/grub/splash.xpm.gz \
- $(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/splash.xpm.gz
- endef
- ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_INSTALL_SPLASHSCREEN
- endif
- endif
- # Copy the kernel to temporary filesystem
- define ROOTFS_ISO9660_COPY_KERNEL
- $(INSTALL) -D -m 0644 $(LINUX_IMAGE_PATH) \
- $(ROOTFS_ISO9660_TARGET_DIR)/boot/$(LINUX_IMAGE_NAME)
- endef
- ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_KERNEL
- # If initramfs is used, disable loading the initrd as the rootfs is
- # already inside the kernel image. Otherwise, make sure a cpio is
- # generated and use it as the initrd.
- ifeq ($(BR2_TARGET_ROOTFS_INITRAMFS),y)
- ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
- else
- ROOTFS_ISO9660_DEPENDENCIES += rootfs-cpio
- define ROOTFS_ISO9660_COPY_INITRD
- $(INSTALL) -D -m 0644 $(BINARIES_DIR)/rootfs.cpio$(ROOTFS_CPIO_COMPRESS_EXT) \
- $(ROOTFS_ISO9660_TARGET_DIR)/boot/initrd
- $(SED) "s%__INITRD_PATH__%/boot/initrd%" \
- $(ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH)
- endef
- ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_COPY_INITRD
- endif
- else # ROOTFS_ISO9660_USE_INITRD
- ROOTFS_ISO9660_PRE_GEN_HOOKS += ROOTFS_ISO9660_DISABLE_EXTERNAL_INITRD
- endif # ROOTFS_ISO9660_USE_INITRD
- define ROOTFS_ISO9660_CMD
- $(HOST_DIR)/usr/bin/genisoimage -J -R -b $(ROOTFS_ISO9660_BOOT_IMAGE) \
- -no-emul-boot -boot-load-size 4 -boot-info-table \
- -o $@ $(ROOTFS_ISO9660_TARGET_DIR)
- endef
- $(eval $(call ROOTFS_TARGET,iso9660))
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