Commit 5bac06e8 authored by Thomas Petazzoni's avatar Thomas Petazzoni
Browse files

fs/iso9660: add hybrid image support 



This commit adds a new option, which allows, when isolinux is used as
the bootloader, to generate an "hybrid" ISO image. Such images can
either be booted from CD-ROM or from USB keys. It simply uses the
isohybrid tool provided by syslinux.

Signed-off-by: default avatarThomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: default avatar"Yann E. MORIN" <yann.morin.1998@free.fr>
Acked-by: default avatar"Yann E. MORIN" <yann.morin.1998@free.fr>
parent f9ac784e

fs/iso9660/Config.in

+9 −0
Original line number Diff line number Diff line
@@ -58,6 +58,15 @@ config BR2_TARGET_ROOTFS_ISO9660_INITRD 
	  contain a kernel image, an initrd image (unless an initramfs

	  linked into the kernel is used) and the bootloader.



config BR2_TARGET_ROOTFS_ISO9660_HYBRID

	bool "Build hybrid image"

	depends on BR2_TARGET_ROOTFS_ISO9660_ISOLINUX

	help

	  Enable this option to build an hybrid image, i.e an image

	  which can either be booted from a CD-ROM or from a device

	  which BIOS considers a hard disk or ZIP disk, e.g. a USB key

	  or similar.



endif



comment "iso image needs a Linux kernel and one of grub or isolinux to be built"

fs/iso9660/iso9660.mk

+8 −0
Original line number Diff line number Diff line
@@ -140,4 +140,12 @@ define ROOTFS_ISO9660_CMD 
		-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))