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From: ebiederm@xmission.com (Eric W. Biederman)
To: kexec@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, Jan Engelhardt <jengelh@linux01.gwdg.de>
Subject: Re: [Fastboot] restoring x86 BIOS state before reboot
Date: Sun, 29 Apr 2007 08:46:59 -0600	[thread overview]
Message-ID: <m1ejm38cgs.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20070429094135.GA10948@suse.de> (Bernhard Walle's message of "Sun, 29 Apr 2007 11:41:35 +0200")

Bernhard Walle <bwalle@suse.de> writes:

> * Eric W. Biederman <ebiederm@xmission.com> [2007-04-29 08:51]:
>> 
>> It may also be worth investigating if it is possible to bypass
>> the part of windows that uses BIOS calls.  I really don't have
>> a clue how a modern windows systems boots.
>
> I think ReactOS has a bootlader that can also boot Windows, or at
> least they are close to booting the Windows kernel. That bootloader
> could be then used for booting Windows without BIOS calls.
>
> I also heard that the 100-$-Laptop should now be able to use Windows.
> As it's using LinuxBIOS, this could also be interesting. However,
> maybe Microsoft simply modifies a special Windows for this, or they
> integrate a ClosedSource part in that LinuxBIOS, I don't know ... :-(

I know it isn't a ClosedSource part in LinuxBIOS.

In any particular case you can work through the details, and
make it work.

The hard part is making the general case work.

Eric

WARNING: multiple messages have this Message-ID (diff)
From: ebiederm@xmission.com (Eric W. Biederman)
To: kexec@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, Jan Engelhardt <jengelh@linux01.gwdg.de>
Subject: Re: [Fastboot] restoring x86 BIOS state before reboot
Date: Sun, 29 Apr 2007 08:46:59 -0600	[thread overview]
Message-ID: <m1ejm38cgs.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <20070429094135.GA10948@suse.de> (Bernhard Walle's message of "Sun, 29 Apr 2007 11:41:35 +0200")

Bernhard Walle <bwalle@suse.de> writes:

> * Eric W. Biederman <ebiederm@xmission.com> [2007-04-29 08:51]:
>> 
>> It may also be worth investigating if it is possible to bypass
>> the part of windows that uses BIOS calls.  I really don't have
>> a clue how a modern windows systems boots.
>
> I think ReactOS has a bootlader that can also boot Windows, or at
> least they are close to booting the Windows kernel. That bootloader
> could be then used for booting Windows without BIOS calls.
>
> I also heard that the 100-$-Laptop should now be able to use Windows.
> As it's using LinuxBIOS, this could also be interesting. However,
> maybe Microsoft simply modifies a special Windows for this, or they
> integrate a ClosedSource part in that LinuxBIOS, I don't know ... :-(

I know it isn't a ClosedSource part in LinuxBIOS.

In any particular case you can work through the details, and
make it work.

The hard part is making the general case work.

Eric

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  reply	other threads:[~2007-04-29 14:47 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-06 15:46 restoring x86 BIOS state before reboot Bart Trojanowski
2007-04-06 17:48 ` Jan Engelhardt
2007-04-29  6:51 ` [Fastboot] " Eric W. Biederman
2007-04-29  6:51   ` Eric W. Biederman
2007-04-29  9:41   ` Bernhard Walle
2007-04-29  9:41     ` Bernhard Walle
2007-04-29 14:46     ` Eric W. Biederman [this message]
2007-04-29 14:46       ` Eric W. Biederman
2007-04-29 16:28     ` David Woodhouse
2007-04-29 16:28       ` David Woodhouse
2007-05-11 18:23     ` Pavel Machek
2007-05-11 18:23       ` Pavel Machek
2007-05-11 19:29       ` Jeremy Fitzhardinge
2007-05-11 19:29         ` Jeremy Fitzhardinge
2007-05-11 20:18       ` H. Peter Anvin
2007-05-11 20:18         ` H. Peter Anvin
2007-05-11 21:11         ` yhlu
2007-05-11 21:11           ` yhlu

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