From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with archive (Exim 4.43) id 1NXNKY-0001Lr-4A for mharc-grub-devel@gnu.org; Tue, 19 Jan 2010 18:17:50 -0500 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NXNKV-0001LC-UP for grub-devel@gnu.org; Tue, 19 Jan 2010 18:17:48 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NXNKP-0001Hd-P6 for grub-devel@gnu.org; Tue, 19 Jan 2010 18:17:45 -0500 Received: from [199.232.76.173] (port=45517 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NXNKP-0001Ha-3i for grub-devel@gnu.org; Tue, 19 Jan 2010 18:17:41 -0500 Received: from fg-out-1718.google.com ([72.14.220.152]:47594) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NXNKO-0002b0-Hf for grub-devel@gnu.org; Tue, 19 Jan 2010 18:17:40 -0500 Received: by fg-out-1718.google.com with SMTP id 16so433fgg.12 for ; Tue, 19 Jan 2010 15:17:38 -0800 (PST) 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=lrTp0iY718SL5qMo7ee++m+jte1ZUemKH0+K9FD04pg=; b=PfnerXcv3RPGpfuxbIl0iBeSrl8tg38zxip1Ew3BLDedvczb2HHN3cuaEQQQ+PSIAh F0ZTYcS8bOj35y8SNBpqqJX4miMOy7ncAVvirf8yozN0GiIKPq19T9F/RN52k/wA92Ok nPG1rLzN1RYgESStA1Bf8ZB9H3xgr/ICREvjE= 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=MZ8nPKwJ3RLwOHWTef/qGFMD1qljhlhCPYZudMPdFdsSWI/hPsYjdU3unVGMsE1iKy m3Muj9EdUIkW2ExeRtny1grSXN6SocQlTwnjy2lux65zL7GLe6ROZ0imq3ybSG0N27nx 6qdNXA3gJAWevAAc4qD//nWtAwo63wBSz6PLk= Received: by 10.87.67.28 with SMTP id u28mr8006348fgk.38.1263943055190; Tue, 19 Jan 2010 15:17:35 -0800 (PST) Received: from debian.bg45.phnet ([81.62.94.201]) by mx.google.com with ESMTPS id d6sm14579910fga.4.2010.01.19.15.17.34 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 19 Jan 2010 15:17:34 -0800 (PST) Message-ID: <4B563D86.1000103@gmail.com> Date: Wed, 20 Jan 2010 00:17:26 +0100 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: <4B50A373.3060203@gmail.com> <20100119225354.GG8599@thorin> In-Reply-To: <20100119225354.GG8599@thorin> X-Enigmail-Version: 0.95.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="------------enigD96542600D8A2D9FB4E0DC0A" X-detected-operating-system: by monty-python.gnu.org: GNU/Linux 2.6 (newer, 2) Subject: Re: [PATCH] Add 2 more E820 to ACPI specification 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: Tue, 19 Jan 2010 23:17:48 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigD96542600D8A2D9FB4E0DC0A Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Robert Millan wrote: > On Fri, Jan 15, 2010 at 06:18:43PM +0100, Vladimir '=CF=86-coder/phcode= r' Serbinenko wrote: > =20 >> Hello. This defines 2 more types for mmap_type in a way to match E820 >> values. As grub legacy and grub2 both just pass E820 values through it= >> shouldn't be any problem. >> =20 > > Note that although Multiboot's memory map format is modelled after e820= , > it is defined by us, not by BIOS vendors. > > =20 Yes, but this information is needed and I prefer to provide it in grub-legacy-compatible way. >> -value of 1 indicates available @sc{ram}, and all other values current= ly >> +value of 1 indicates available @sc{ram}, value of 3 indicates usable = memory >> +holding ACPI information, >> =20 > > I'm concerned about increasing the amount of arch-specific references; = what do > Multiboot kernels that use ACPI currently do? > > =20 According to a post by Bernard Trotter many of them rely on multiboot loader passing e820 through >> value of 4 indicates reserved memory which needs to >> +be preserved on hibernation and all other values currently >> indicated a reserved area. >> =20 > > What's the difference between this reserved memory and a reserved area?= > > =20 "which needs to be preserved on hibernation and all other values currentl= y" Payload should never write to or read from type 2 memory. But it needs to save type 4 memory into its hibernation file when it hibernates and restore on resume. --=20 Regards Vladimir '=CF=86-coder/phcoder' Serbinenko --------------enigD96542600D8A2D9FB4E0DC0A 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 iF4EAREKAAYFAktWPY0ACgkQNak7dOguQgklzgD/dDrJet5Bn3OIoI18sR7qMCBo thwZ3DHTl9Pij38hxEkBAIZL6AIyH6d1y0icaa5y6q4tmS26etoJQtpccs2vZx/C =HdMT -----END PGP SIGNATURE----- --------------enigD96542600D8A2D9FB4E0DC0A--