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Re: Feature Request: 32-bit mem write and 'setpci -s' type command in m


From: Vladimir 'phcoder' Serbinenko
Subject: Re: Feature Request: 32-bit mem write and 'setpci -s' type command in menu.lst
Date: Thu, 22 Oct 2009 13:51:59 +0200
User-agent: Mozilla-Thunderbird 2.0.0.22 (X11/20090701)

Nando wrote:
> Hi everyone,
>
> I wanted to ask if the following features could be added to grub?
>
> 1/ Ability to write to 32-bit memory space
> ===============================
>
> I need to set my ICH8M chipset to enable the SMBUS, since the bios
> disables it. Rather than add the code to the kernel, I'd prefer to do
> it in grub. Grub4dos has such a facility but no such facility in
> grub's menu.lst. 
We don't support grub legacy anymore. Switch to grub2
> None that I found anyway. I need to write to following to have access
> ot my ICS PLL to be able to do overclocking:
>
> write 0xFED93418 0xC330005
look at write_dword
>
> 2/ Ability to do a setpci -s type command
> ==============================
>
> Also, if possible, could a small subset of 'setpci' be incorporated as
> well? I guess I could figure out the address I need to write to by
> calculation, but would be nice if I could do the equivalent of the
> following in grub, associated with a menu entry. This would help the
> DIY ViDock project that needs to setup PCI Bridge windows prior to
> Windows load, something that many bios doesn't do, neither does Windows.
>
> setpci -s 00:02.0 40l=20
>
it's not implemented yet but is trivial to do. Would you send us a patch?
> Comments?? Suggestions??
>
> Nando
> ------------------------------------------------------------------------
>
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>   


-- 
Regards
Vladimir 'phcoder' Serbinenko
Personal git repository: http://repo.or.cz/w/grub2/phcoder.git 





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