[ipxe-devel] [PATCH 1/1] allow to build ISO image with EFI support (ipxe.eiso)

[Christian Nilsson]

On Sun, Apr 19, 2015 at 1:43 PM, Christian Hesse <list at eworm.de> wrote:
> Christian Nilsson <nikize at gmail.com> on Sun, 2015/04/19 13:34:
>> On Sun, Apr 19, 2015 at 1:17 PM, Christian Hesse <list at eworm.de> wrote:
>> > From: Christian Hesse <mail at eworm.de>
>> >
>> > Signed-off-by: Christian Hesse <mail at eworm.de>
>> >
>> > [snipped patch]
>>
>> Why is it not possible for mkisofs to be used to create an EFI compatible
>> iso? It should be enough to have EFI/Boot/boot(ia32|x64).efi in the iso.
>> If i read it correctly this patch adds the efi files to an emulated
>> floppy instead of the iso itself?
>
> Because mkisofs does not know these command options:
>
> -eltorito-alt-boot -e efiboot.img -isohybrid-gpt-basdat
>
> At lease my version does not.

I'm still assuming that if the files are put directly in iso9660
format most, if not all efi implementations will work just fine. no
need for any of those parameters.
This however is just from my understanding of EFI so its fine if it is
tested and known not to work.