From: Shannon Zhao <shannon.zhao@linaro.org>
To: Julien Grall <julien.grall@citrix.com>,
Shannon Zhao <zhaoshenglong@huawei.com>,
xen-devel <xen-devel@lists.xen.org>,
Christoffer Dall <christoffer.dall@linaro.org>,
Ian Campbell <ian.campbell@citrix.com>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Stefano Stabellini <stefano.stabellini@citrix.com>,
Jan Beulich <jbeulich@suse.com>,
Parth Dixit <parth.dixit@linaro.org>,
andrew@fubar.geek.nz,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
David Vrabel <david.vrabel@citrix.com>,
Roger Pau Monne <roger.pau@citrix.com>
Cc: Hangaohuai <hangaohuai@huawei.com>,
"Huangpeng (Peter)" <peter.huangpeng@huawei.com>
Subject: Re: Design doc of adding ACPI support for arm64 on Xen - version 5
Date: Sat, 29 Aug 2015 09:00:28 +0800 [thread overview]
Message-ID: <55E1042C.6000308@linaro.org> (raw)
In-Reply-To: <55E05A2F.1090305@citrix.com>
Hi Julien,
On 2015/8/28 20:55, Julien Grall wrote:
> Hi Shannon,
>
> On 28/08/15 10:45, Shannon Zhao wrote:
>> 2. Copy and change some EFI and ACPI tables
>> -------------------------------------------
>
> [..]
>
>> All above tables will be mapped to Dom0 non-RAM space(e.g. the space
>> after Dom0 RAM).
>
> If I understand correctly what you are saying, you plan to put the
> tables just after the Dom0 RAM bank. Although, there can be multiple
> banks and how can you be so sure that there will be no MMIO at this place?
>
>
Currently I use the last RAM bank(kinfo->mem.bank[nr_banks - 1]) to
calculate the start address of non-RAM place. I'm not sure there will be
no MMIO at that place. Do you have any good idea to find such sure and
safe non-ram place?
Thanks,
--
Shannon
next prev parent reply other threads:[~2015-08-29 1:00 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-28 9:45 Design doc of adding ACPI support for arm64 on Xen - version 5 Shannon Zhao
2015-08-28 12:55 ` Julien Grall
2015-08-29 1:00 ` Shannon Zhao [this message]
2015-08-31 7:33 ` Jan Beulich
2015-08-31 11:44 ` Julien Grall
2015-08-31 12:03 ` Shannon Zhao
2015-08-31 12:34 ` Julien Grall
2015-09-01 4:12 ` Shannon Zhao
2015-09-01 11:28 ` Julien Grall
2015-09-01 12:35 ` Shannon Zhao
2015-09-01 13:40 ` Julien Grall
2015-09-01 14:03 ` Jan Beulich
2015-09-01 14:20 ` Julien Grall
2015-09-02 6:02 ` Shannon Zhao
2015-09-02 8:41 ` Jan Beulich
2015-09-02 9:18 ` Christoffer Dall
2015-09-02 11:15 ` Julien Grall
2015-09-02 9:25 ` Shannon Zhao
2015-09-02 12:30 ` Jan Beulich
2015-09-02 11:09 ` Julien Grall
2015-09-02 12:02 ` Shannon Zhao
2015-09-02 12:52 ` Julien Grall
2015-09-02 13:26 ` Ian Campbell
2015-09-02 13:48 ` Julien Grall
2015-09-02 13:54 ` Ian Campbell
2015-09-02 13:57 ` Christoffer Dall
2015-09-02 15:27 ` Leif Lindholm
2015-09-02 15:37 ` Ard Biesheuvel
2015-09-02 14:00 ` Jan Beulich
2015-09-02 12:58 ` Ian Campbell
2015-08-28 15:06 ` Jan Beulich
2015-08-29 1:29 ` Shannon Zhao
2015-08-31 7:39 ` Jan Beulich
2015-08-31 8:51 ` Shannon Zhao
2015-08-31 9:40 ` Jan Beulich
2015-08-31 11:31 ` Shannon Zhao
2015-08-31 11:46 ` Jan Beulich
2015-09-02 12:54 ` Ian Campbell
2015-09-02 13:59 ` Shannon Zhao
2015-09-02 14:24 ` Ian Campbell
2015-09-02 12:18 ` Ian Campbell
2015-09-07 3:37 ` Shannon Zhao
2015-09-07 10:47 ` Stefano Stabellini
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