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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_GRUB2),y)
ROOTFS_ISO9660_DEPENDENCIES += grub2
ROOTFS_ISO9660_BOOTLOADER_CONFIG_PATH = \
$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/grub.cfg
ROOTFS_ISO9660_BOOT_IMAGE = boot/grub/grub-eltorito.img
define ROOTFS_ISO9660_INSTALL_BOOTLOADER
$(INSTALL) -D -m 0644 $(BINARIES_DIR)/grub-eltorito.img \
$(ROOTFS_ISO9660_TARGET_DIR)/boot/grub/grub-eltorito.img
endef
else ifeq ($(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/* \
$(ROOTFS_ISO9660_TARGET_DIR)/isolinux/
$(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 $@ $(ROOTFS_ISO9660_TARGET_DIR)
endef
ifeq ($(BR2_TARGET_ROOTFS_ISO9660_HYBRID),y)
define ROOTFS_ISO9660_GEN_HYBRID
$(HOST_DIR)/usr/bin/isohybrid -t 0x96 $@
endef
ROOTFS_ISO9660_POST_GEN_HOOKS += ROOTFS_ISO9660_GEN_HYBRID
endif
$(eval $(call ROOTFS_TARGET,iso9660))
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