From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.71) id 1bB7e1-0006xE-1Y for mharc-grub-devel@gnu.org; Thu, 09 Jun 2016 17:37:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40700) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bB7dy-0006sw-4N for grub-devel@gnu.org; Thu, 09 Jun 2016 17:37:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bB7dt-0002GE-0c for grub-devel@gnu.org; Thu, 09 Jun 2016 17:37:38 -0400 Received: from ppsw-43.csi.cam.ac.uk ([131.111.8.143]:36721) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bB7ds-0002Fm-Qn for grub-devel@gnu.org; Thu, 09 Jun 2016 17:37:32 -0400 X-Cam-AntiVirus: no malware found X-Cam-ScannerInfo: http://www.cam.ac.uk/cs/email/scanner/ Received: from host-92-20-240-11.as13285.net ([92.20.240.11]:50009 helo=[192.168.1.6]) by ppsw-43.csi.cam.ac.uk (smtp.hermes.cam.ac.uk [131.111.8.159]:587) with esmtpsa (PLAIN:amc96) (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) id 1bB7dp-0002IT-n7 (Exim 4.86_36-e07b163) (return-path ); Thu, 09 Jun 2016 22:37:29 +0100 Subject: Re: [MULTIBOOT2 DOC PATCH 07/10] multiboot2: Say that memory maps may not be available on EFI platforms To: Daniel Kiper , grub-devel@gnu.org, xen-devel@lists.xenproject.org References: <1465504244-17175-1-git-send-email-daniel.kiper@oracle.com> <1465504244-17175-8-git-send-email-daniel.kiper@oracle.com> Cc: arvidjaar@gmail.com, eric.snowberg@oracle.com, jgross@suse.com, konrad.wilk@oracle.com, phcoder@gmail.com, seth.goldberg@oracle.com From: Andrew Cooper Message-ID: <045647d1-b60e-be5a-dea8-a39a7e625405@citrix.com> Date: Thu, 9 Jun 2016 22:37:30 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.1.1 MIME-Version: 1.0 In-Reply-To: <1465504244-17175-8-git-send-email-daniel.kiper@oracle.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: Andrew Cooper X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 131.111.8.143 X-BeenThere: grub-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: The development of GNU GRUB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Jun 2016 21:37:39 -0000 On 09/06/2016 21:30, Daniel Kiper wrote: > Signed-off-by: Daniel Kiper > --- > doc/multiboot.texi | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/doc/multiboot.texi b/doc/multiboot.texi > index f1e0e09..c81b2ea 100644 > --- a/doc/multiboot.texi > +++ b/doc/multiboot.texi > @@ -927,6 +927,10 @@ possible value for lower memory is 640 kilobytes. The value returned for > upper memory is maximally the address of the first upper memory hole > minus 1 megabyte. It is not guaranteed to be this value. > > +This tag may not be provided by some boot loaders on EFI platforms if EFI > +boot services are enabled and available for loaded image (EFI boot services "for the loaded". And below. ~Andrew > +not terminated tag exists in Multiboot information structure). > + > @subsection BIOS Boot device > @example > @group > @@ -1078,6 +1082,10 @@ indicated a reserved area. > The map provided is guaranteed to list all standard @sc{ram} that should > be available for normal use. This type however includes the regions occupied by kernel, mbi, segments and modules. Kernel must take care not to overwrite these regions. > > +This tag may not be provided by some boot loaders on EFI platforms if EFI > +boot services are enabled and available for loaded image (EFI boot services > +not terminated tag exists in Multiboot information structure). > + > @subsection Boot loader name > @example > @group > @@ -1310,6 +1318,9 @@ u32 | descriptor version| > > This tag contains EFI memory map as per EFI specification. > > +This tag may not be provided by some boot loaders on EFI platforms if EFI > +boot services are enabled and available for loaded image (EFI boot services > +not terminated tag exists in Multiboot information structure). > > @subsection EFI boot services not terminated > @example