From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1O0I6K-00082i-SC for mharc-grub-devel@gnu.org; Fri, 09 Apr 2010 13:34:40 -0400 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1O0I6I-00082V-Kt for grub-devel@gnu.org; Fri, 09 Apr 2010 13:34:38 -0400 Received: from [140.186.70.92] (port=40723 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1O0I6H-00081s-Dq for grub-devel@gnu.org; Fri, 09 Apr 2010 13:34:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1O0I6F-0003F7-ON for grub-devel@gnu.org; Fri, 09 Apr 2010 13:34:37 -0400 Received: from mail-bw0-f223.google.com ([209.85.218.223]:41211) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1O0I6F-0003F0-HG for grub-devel@gnu.org; Fri, 09 Apr 2010 13:34:35 -0400 Received: by bwz23 with SMTP id 23so3340bwz.26 for ; Fri, 09 Apr 2010 10:34:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :x-enigmail-version:content-type; bh=1BWY8H/UwdpEDViisxn9OEjqanOKStMPXF+BRyvOj/o=; b=jHbP1S05A3iBbz05fT18y4onsg2HhNueJeVBaog3rmnONNSSuOINOJgbBPdtzSvWka xO55kG3TcZXGxBoIDWcZ+bYXpglDYoksMFwfhDcIZpzJ2ZPKzJzAVk4UglMPTvH5yjDd QSCHp3w9KEGeMTWiiR+FyMUO6bQf6oginzpUw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:x-enigmail-version:content-type; b=uxAO1fBmEUGFzrpz+Bgc7UIZ8/jkCYnD9e4s1KqxnmBPZ8iMRdxiIkws8JZZpYQNSw OR77IWaaXoxSmkTrI2q8UP+Q8HnycA7OCvzKMYn++VfCwFfyDO0jnCDtKGpj1AXErfr+ aLfF9BVz+TcDqPuu8bYrg2dHevtAOuPl/OKho= Received: by 10.204.9.152 with SMTP id l24mr356159bkl.193.1270834079147; Fri, 09 Apr 2010 10:27:59 -0700 (PDT) Received: from debian.bg45.phnet (125-149.203-62.cust.bluewin.ch [62.203.149.125]) by mx.google.com with ESMTPS id 16sm606503bwz.1.2010.04.09.10.27.57 (version=TLSv1/SSLv3 cipher=RC4-MD5); Fri, 09 Apr 2010 10:27:58 -0700 (PDT) Message-ID: <4BBF6397.6090005@gmail.com> Date: Fri, 09 Apr 2010 19:27:51 +0200 From: =?UTF-8?B?VmxhZGltaXIgJ8+GLWNvZGVyL3BoY29kZXInIFNlcmJpbmVua28=?= User-Agent: Mozilla-Thunderbird 2.0.0.22 (X11/20091109) MIME-Version: 1.0 To: The development of GNU GRUB References: <419466.97212.qm@web113213.mail.gq1.yahoo.com> In-Reply-To: <419466.97212.qm@web113213.mail.gq1.yahoo.com> X-Enigmail-Version: 0.95.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="------------enig91C3F696C14E21B226E31947" X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 2) Subject: Re: Multiboot2 Suggestions X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: The development of GNU GRUB List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Apr 2010 17:34:39 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig91C3F696C14E21B226E31947 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Bogdan wrote: > This thread has the right name so I'll just reply here. > > 1) The boot loader should calibrate timers that need this. I don't know= about > other architectures, but in x86(-64) systems, these are the RDTSC and t= he > LAPIC. Needless to say, this must also be done when such hardware is > present. > =20 On MIPS bootloader needs to supply CP0 counter frequency. Is it anything similar on x86? I don't feel like on x86 this should be mandatory. Usually OS doesn't expect bootloader to do these steps and it takes booting time. If there is however a motivation to do this task in bootloader we could add a tag requestion bootloader to do this step > 3) On x86-64 systems, the boot loader should be able to boot in long mo= de. > =20 I'll implement and specify it as soon as I'm finished with newreloc. > I remember talking to Vladimir on IRC about paging and he said he prefe= red > to always have the simplest form of paging initialized by the boot load= er -- > disabled in the case of protected mode and identity-mapped in the case = of > long mode. I think that is fair. > > Regards, > Bogdan > > > =20 > > > _______________________________________________ > Grub-devel mailing list > Grub-devel@gnu.org > http://lists.gnu.org/mailman/listinfo/grub-devel > > =20 --=20 Regards Vladimir '=CF=86-coder/phcoder' Serbinenko --------------enig91C3F696C14E21B226E31947 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iF4EAREKAAYFAku/Y5wACgkQNak7dOguQgmzfQD+PyYS/fFNvOe/kCzLEGOnfr1e 3tH0eHOPY0UBA2prppsA/1tMU9yOAptLkNsRH8Z5ClqNfDjFe7258bCTa7twaJzO =qCbD -----END PGP SIGNATURE----- --------------enig91C3F696C14E21B226E31947--