[Fwd: Re: Grub Question + some other information needed]

[mcs082803 at cse.iitd.ernet.in]

---------------------------- Original Message ----------------------------
Subject: Re: Grub Question + some other information needed
From:    mcs082803 at cse.iitd.ernet.in
Date:    Tue, March 24, 2009 10:53 pm
To:      "Adam Lackorzynski" <adam at os.inf.tu-dresden.de>
--------------------------------------------------------------------------

Thanks for the reply. I don't know why I can't get any input from the
keyboard, i.e. getchar, scanf,etc. all hang the system. i am attaching a
code that doesn't work

FYI, I am using the loader with bmodfs to load (Don't think that can cause
a problem)

Regards,
Ashish
> Hi,
>
> On Mon Mar 23, 2009 at 21:41:34 +0530, mcs082803 at cse.iitd.ernet.in wrote:
>> I know that a grub different from the standard is used. I downloaded the
>> grub on Adam's site but have no idea how to get that diff file to work.
>> There is a ReadMe called as grub-0.97-os.3.README that gives some info
>> but
>> I don't just get the fact that it is to boot from network.
>
> Well, os.3 is just mentions it because this is one of the top features
> of my version as it allows to load files via network on any recent
> system.  Original Grub1 does not offer that and is not usable for those
> type of scenarios.
>
>> I am just booting from the hard disk using standard grub (with -modaddr
>> option used with bootstrap), but now I need to use the vbeset command
>> (and
>> maybe others in future), so I really need that grub.
>>
>>  I have done these
>>
>>  $ wget ftp://alpha.gnu.org/gnu/grub/grub-0.97.tar.gz
>>  $ wget
>> http://os.inf.tu-dresden.de/~adam/grub/0.97/grub-0.97-os.7.diff.gz
>>  $ tar xzf grub-0.97.tar.gz
>>  $ cd grub-0.97
>>  $ zcat ../grub-0.97-os.7.diff.gz | patch -p0
>>
>> so what i do next? just install this grub (using install) or something
>> else? because the next steps in readme seem like specific for diskless
>> booting from some network.
>
> You compile it, the usual way with calling configure and make.
>
>> and what version of adam's grub should I download (i used the
>> grub-0.97-os.7.diff.gz because it seemed latest).
>
> Yes, latest is best.
>
>> some other things (unrelated to above) -- can i make programs that could
>> write output to some file on hard disk. Is somewhere a reference manual
>> that gives info about what datatypes and functions can i use in a
>> general
>> program i write, e.g. to do something equivalent of scanf,malloc,etc.
>
> libc like functions like scanf and malloc work as they shall.
> Writing to disk is not as easy in a multi-server system as you need a
> file-system and a disk driver to actually get some from and to the disk.
> The probably easiest way is to use L4Linux to store data on disk.
>
>
>
> Adam
> --
> Adam                 adam at os.inf.tu-dresden.de
>   Lackorzynski         http://os.inf.tu-dresden.de/~adam/
>
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