[Buildroot] [PATCHv2 13/15] fs/iso9660: add hybrid image support

Yann E. MORIN yann.morin.1998 at free.fr
Sun Jun 14 15:49:06 UTC 2015


Thomas, All,

On 2015-06-09 00:21 +0200, Thomas Petazzoni spake thusly:
> 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: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>

Acked-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>

Regards,
Yann E. MORIN.

> ---
>  fs/iso9660/Config.in  | 9 +++++++++
>  fs/iso9660/iso9660.mk | 8 ++++++++
>  2 files changed, 17 insertions(+)
> 
> diff --git a/fs/iso9660/Config.in b/fs/iso9660/Config.in
> index 97925b9..6f057ea 100644
> --- a/fs/iso9660/Config.in
> +++ b/fs/iso9660/Config.in
> @@ -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"
> diff --git a/fs/iso9660/iso9660.mk b/fs/iso9660/iso9660.mk
> index 588e07b..4f4abea 100644
> --- a/fs/iso9660/iso9660.mk
> +++ b/fs/iso9660/iso9660.mk
> @@ -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))
> -- 
> 2.1.0
> 
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> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot

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