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From: Gnanasekar Loganathan <l.gnanasekar@gmail.com>
To: The development of GNU GRUB <grub-devel@gnu.org>
Subject: Re: Regarding writing into raw file
Date: Tue, 25 Jan 2011 11:32:09 +0530	[thread overview]
Message-ID: <AANLkTi=QLe3LTZD+aWb7ZscscknmwTsCYF93Z1xOKO2D@mail.gmail.com> (raw)
In-Reply-To: <4D3D9345.7000204@gmail.com>

Hi Vladimir,

I'm using the grub_disk_write function to write the data.
My goal is to erase all the data in that particular partition.

Booted os will do read and write operation on that partition.

-Gnana

2011/1/24 Vladimir 'φ-coder/phcoder' Serbinenko <phcoder@gmail.com>:
> On 01/24/2011 03:49 PM, Gnanasekar Loganathan wrote:
>> Hi All,
>>
>> I try to opening a file called "(hd0,2,a)+10" from GRUB.
>>
> This is old syntax. New one is (hd0,netbsd1)
>> For me open got success and able read some of the data.
>> But i'm not able to write some data into the file, getting "out of
>> partition" error.
>>
> GRUB has no file writing functions whatsoever, only disk writing
> (grub_disk_write)
> You can look into save_env in grub-core/commands/loadenv.c for reference
> on the limited file overwrite possibilities.
> I would be able to help better if I knew what your end goal is.
>> Kindly help me, how to open, read and write into a raw file from the GRUB.
>>
>> FYI: Partition type is NetBSD one.
>>
>> If you need any info, kindly revert back.
>>
>> Thanks,
>> Gnana
>>
>> _______________________________________________
>> Grub-devel mailing list
>> Grub-devel@gnu.org
>> http://lists.gnu.org/mailman/listinfo/grub-devel
>>
>>
>
>
> --
> Regards
> Vladimir 'φ-coder/phcoder' Serbinenko
>
>
>
> _______________________________________________
> Grub-devel mailing list
> Grub-devel@gnu.org
> http://lists.gnu.org/mailman/listinfo/grub-devel
>
>


  reply	other threads:[~2011-01-25  6:02 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-24 14:49 Regarding writing into raw file Gnanasekar Loganathan
2011-01-24 14:57 ` Vladimir 'φ-coder/phcoder' Serbinenko
2011-01-25  6:02   ` Gnanasekar Loganathan [this message]
2011-01-25  7:06     ` Vladimir 'φ-coder/phcoder' Serbinenko
2011-01-25 10:34       ` Gnanasekar Loganathan
2011-01-25 11:42         ` Vladimir 'φ-coder/phcoder' Serbinenko
2011-01-25 13:01           ` Gnanasekar Loganathan
2011-01-25 13:15             ` Vladimir 'φ-coder/phcoder' Serbinenko

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