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Re: Booting El Torito image from a partition table
From: |
Andrei Borzenkov |
Subject: |
Re: Booting El Torito image from a partition table |
Date: |
Mon, 30 Nov 2015 19:45:38 +0300 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 |
30.11.2015 00:46, Emilio Lazo Zaia пишет:
>
>
> On 29/11/15 01:36, Andrei Borzenkov wrote:
>> 28.11.2015 23:05, Emilio Lazo Zaia пишет:
>>> Only ms-sys -s worked, and also -t with the GPT version of my test...
>>> Now everything becomes more clear. Thank you. Having all this in mind:
>>> Do I have some kind of solution
>>> to the scenario previously described?
>>>
>> Without GRUB modification the simplest solution is to create core.img
>> that will in turn load core.img from this ISO image. This first stage
>> can then be placed on your "master" partition and syslinux can load it.
>>
>>
>>
> You mean generate a core.img that points to the core.img contained in
> these ISO images? How can a core.img created that way? I tried different
> things using your approach, without success.
Yes, you are right. core.img for i386-pc platform that is built by
grub-mkrescue does not include partition support; so it has no chance to
find its files on partition even if you were able to load it via
syslinux chain.
And ISO also lacks kernel.img so we cannot build own image using it.
Sorry, I do not see easy way to do it. And even if we settle on better
support in the future, it does not help you with existing ISOs.
Did you consider using syslinux loopback driver? This way ISO would
appear as ISO (or at least non-partitioned device) to GRUB. It may work ...
- Re: Booting El Torito image from a partition table, (continued)
- Re: Booting El Torito image from a partition table, Andrei Borzenkov, 2015/11/28
- Re: Booting El Torito image from a partition table, Emilio Lazo Zaia, 2015/11/28
- Re: Booting El Torito image from a partition table, Andrei Borzenkov, 2015/11/28
- Re: Booting El Torito image from a partition table, Emilio Lazo Zaia, 2015/11/28
- Re: Booting El Torito image from a partition table, Andrei Borzenkov, 2015/11/28
- Re: Booting El Torito image from a partition table, Emilio Lazo Zaia, 2015/11/28
- Re: Booting El Torito image from a partition table, Andrei Borzenkov, 2015/11/28
- Re: Booting El Torito image from a partition table, Emilio Lazo Zaia, 2015/11/28
- Re: Booting El Torito image from a partition table, Andrei Borzenkov, 2015/11/29
- Re: Booting El Torito image from a partition table, Emilio Lazo Zaia, 2015/11/29
- Re: Booting El Torito image from a partition table,
Andrei Borzenkov <=
- Re: Booting El Torito image from a partition table, Emilio Lazo Zaia, 2015/11/30