From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@arm.com>
Subject: Re: Xen ARM - Exposing a PL011 to the guest
Date: Wed, 21 Dec 2016 20:19:19 +0100
Message-ID: <f7268e55-cd1b-b281-4093-1edb549b2b4c@arm.com>
References: <86800697-5057-3f14-c19f-151e81315133@arm.com>
 <alpine.DEB.2.10.1611301410060.2781@sstabellini-ThinkPad-X260>
 <20161201102618.GA10384@cbox>
 <alpine.DEB.2.10.1612011337520.2781@sstabellini-ThinkPad-X260>
 <CACtJ1JTwjufP0S-TKHUjecvdTFfOQdK3-dOLBOoOotv+21TAeA@mail.gmail.com>
 <7c3a29e7-aea6-5f9c-61b0-b4f82bcafa34@arm.com> <20161219122005.GA28927@cbox>
 <alpine.DEB.2.10.1612191056540.13831@sstabellini-ThinkPad-X260>
 <b22710ed-7b37-0020-0ec9-2406ef7cfc05@arm.com>
 <alpine.DEB.2.10.1612201139010.13831@sstabellini-ThinkPad-X260>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Content-Transfer-Encoding: base64
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <alpine.DEB.2.10.1612201139010.13831@sstabellini-ThinkPad-X260>
List-Unsubscribe: <https://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <https://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
 <mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Errors-To: xen-devel-bounces@lists.xen.org
Sender: "Xen-devel" <xen-devel-bounces@lists.xen.org>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: Wei Liu <wei.liu2@citrix.com>, Steve Capper <Steve.Capper@arm.com>, George Dunlap <george.dunlap@eu.citrix.com>, Andrew Cooper <andrew.cooper3@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>, Xen Devel <xen-devel@lists.xen.org>, Jan Beulich <JBeulich@suse.com>, Bhupinder Thakur <bhupinder.thakur@linaro.org>, Christoffer Dall <christoffer.dall@linaro.org>
List-Id: xen-devel@lists.xenproject.org

SGkgU3RlZmFubywKCk9uIDIwLzEyLzIwMTYgMjA6NTMsIFN0ZWZhbm8gU3RhYmVsbGluaSB3cm90
ZToKPiBPbiBUdWUsIDIwIERlYyAyMDE2LCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4+IE9uIDE5LzEy
LzIwMTYgMjE6MjQsIFN0ZWZhbm8gU3RhYmVsbGluaSB3cm90ZToKPj4+IE9uIE1vbiwgMTkgRGVj
IDIwMTYsIENocmlzdG9mZmVyIERhbGwgd3JvdGU6Cj4+Pj4gT24gRnJpLCBEZWMgMTYsIDIwMTYg
YXQgMDU6MDM6MTNQTSArMDAwMCwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4gRmluYWxseSwgd2Ug
Y2Fubm90IGhpamFjayBvbmUgb2YgdGhlIGd1ZXN0IFBWIGNvbnNvbGVzLCByZWdhcmRsZXNzIG9m
Cj4+PiB3aGV0aGVyIGl0J3MgdGhlIGZpcnN0IGNvbnNvbGUgb3Igb25lIG9mIHRoZSBvdGhlcnMs
IGJlY2F1c2UgdGhlIGd1ZXN0Cj4+PiBjYW4gYWx3YXlzIHRyeSB0byB1c2UgdGhlbSBhdCBhbnkg
dGltZS4gV2UgbmVlZCBhIFBWIGNvbnNvbGUgcmVzZXJ2ZWQKPj4+IGZvciBYZW4tRG9tMCBjb21t
dW5pY2F0aW9ucyBvbiBiZWhhbGYgb2YgdGhlIGd1ZXN0LiBXaGVuIGEgVk0gaXMgY3JlYXRlZAo+
Pj4gd2l0aCAicGwwMTE9eSIsIHRoZSB0b29sc3RhY2sgbmVlZHMgdG8gYWxsb2NhdGUgb25lIG1v
cmUgcGFnZSBhbmQgZXZ0Y2huCj4+PiBmb3IgdGhlIGV4Y2x1c2l2ZSBoeXBlcnZpc29yIHVzYWdl
LiAgVGhleSBhcmUgbm90IGdvaW5nIHRvIGJlIGFkdmVydGlzZWQKPj4+IHRvIHRoZSBndWVzdCBh
cyBQViBjb25zb2xlczsgb3RoZXJ3aXNlLCB0aGUgZ3Vlc3QgY291bGQgcmlnaHRmdWxseQo+Pj4g
YWNjZXNzIHRoZW0uCj4+Pgo+Pj4gQm90aCBYZW4gYW5kIHRoZSBQViBjb25zb2xlIGJhY2tlbmQg
bmVlZCBhY2Nlc3MgdG8gdGhlIHR3byBudW1iZXJzIChwZm4KPj4+IGFuZCBldnRjaG4pIHRob3Vn
aC4gWGVuIGRvZXNuJ3QgZG8geGVuc3RvcmUsIHNvIEkgc3VnZ2VzdCB0aGUgdG9vbHN0YWNrCj4+
PiBzaG91bGQgdXNlIGFub3RoZXIgd2F5IHRvIHRlbGwgcGZuIGFuZCBldnRjaG4gdG8gWGVuLCBt
YXliZSBodm1fcGFyYW1zLgo+Pgo+PiBJIHRoaW5rIGl0IHdpbGwgYmUgdGhlIG90aGVyIHdheSBh
cm91bmQuIFhlbiB3aWxsIGFsbG9jYXRlIHRoZSBldmVudCBjaGFubmVsCj4+IGFuZCB0aGVuIHJl
cG9ydCB0byB0aGUgUFYgYmFja2VuZHMuIFZlcnkgc2ltaWxhciB0byB3aGF0IGl0IGlzIGRvbmUg
Zm9yIGlvcmVxCj4+IHNlcnZlciBvbiB4ODYgdG9kYXkuCj4KPiBJdCBjb3VsZCB3b3JrIHRoYXQg
d2F5IHRvby4gRXZlbiBpbiB0aGUgaW9yZXEgY2FzZSB0aG91Z2gsIHRoZSBpb3JlcQo+IHBhcmFt
ZXRlcnMgYXJlIHN0aWxsIGV4cG9zZWQgdmlhIGh2bV9wYXJhbXMgKEkgYW0gbG9va2luZyBhdAo+
IGluY2x1ZGUvaHcveGVuL3hlbl9jb21tb24uaDp4ZW5fZ2V0X2RlZmF1bHRfaW9yZXFfc2VydmVy
X2luZm8gaW4gUUVNVSkuCgpJIGFtIGZpbmUgd2l0aCBleHBvc2luZyB0aGUgZXZlbnQgY2hhbm5l
bCB2aWEgaHZtX3BhcmFtcy4gTXkgcHJldmlvdXMgCm1haWwgd2FzIG1vcmUgcmVsYXRlZCBvZiB3
aG8gaXMgYWxsb2NhdGluZyB0aGUgZXZlbnQgY2hhbm5lbC4KCiBGcm9tIG15IHVuZGVyc3RhbmRp
bmcsIGFueSBldmVudCBjaGFubmVsIGJldHdlZW4gWGVuIGFuZCBhIGRvbWFpbiAKc2hvdWxkIGN1
cnJlbnRseSBiZSBhbGxvY2F0ZWQgYnkgWGVuIHZpYSB0aGUgZnVuY3Rpb24gCmFsbG9jX3VuYm91
bmRfeGVuX2V2ZW50X2NoYW5uZWwuCgo+Cj4KPj4+IElmIHdlIHVzZSBodm1fcGFyYW1zIGZvciB0
aGlzLCB3ZSBuZWVkIHR3byBuZXcgaHZtX3BhcmFtcyBhbmQgWGVuIG5lZWRzCj4+PiB0byB1bm1h
cCB0aGUgcGZuIGZyb20gdGhlIGd1ZXN0IGltbWVkaWF0ZWx5LCBiZWNhdXNlIHdlIGRvbid0IHdh
bnQgdGhlCj4+PiBndWVzdCB0byBoYXZlIGFjY2VzcyB0byBpdC4KPj4KPj4gSWYgeW91IHVubWFw
IHRoZSBwZm4sIHRoZSBQViBiYWNrZW5kIHdpbGwgbm90IGJlIGFibGUgdG8gcmVxdWVzdCB0aGUg
cGFnZQo+PiBiZWNhdXNlIHRoZXJlIHdpbGwgYmUgbm8gdHJhbnNsYXRpb24gYXZhaWxhYmxlLgo+
Pgo+PiBTbyB3aGF0IHlvdSB3YW50IHRvIGRvIGlzIHByZXZlbnRpbmcgdGhlIGd1ZXN0IHRvIGF0
IGxlYXN0IHdyaXRlIGludG8gcmVnaW9uCj4+IChub3Qgc3VyZSBpZiBpdCBpcyB3b3J0aCB0byBy
ZXN0cmljdCByZWFkKQo+Cj4gVGhhdCdzIGEgZ29vZCBpZGVhLgo+Cj4KPj4gYW5kIHVubWFwIHRo
ZSBwYWdlIHZpYSB0aGUgaHlwZXJjYWxsIFhFTk1FTV9kZWNyZWFzZV9yZXNlcnZhdGlvbi4KPgo+
IFRoYXQgd291bGQgYmUgaXNzdWVkIGJ5IHRoZSBndWVzdCBpdHNlbGYsIHJpZ2h0PyBUbyBzYXZl
IGFkZHJlc3Mgc3BhY2U/CgpDb3JyZWN0LiBUaGUgbWFpbiB1c2UgY2FzZSB0b2RheSBpcyBiYWxs
b29uaW5nLCBidXQgZ3Vlc3QgY291bGQgY2FsbCBpdCAKb24gYW55IG90aGVyIFJBTSBiYWtlZCBw
YWdlLgoKSSB3YXMgdGhpbmtpbmcgYWJvdXQgbW9yZSBhYm91dCB0aGUgcHJvdGVjdGlvbiBuZWVk
ZWQuIFRlY2huaWNhbGx5IHRoZSAKZGF0YSBpbiB0aGUgcmluZyBhcmUgbm90IHRydXN0ZWQuIFNv
IGlmIHRoZSBndWVzdCBpcyBtZXNzaW5nIHVwIHdpdGggaXQsIAppdCB3b3VsZCBub3QgYmUgYSBi
aWcgaXNzdWUuIE9yIGRpZCBJIG1pc3MgYW55dGhpbmcgaGVyZT8KClsuLi5dCgo+PiBJSVJDLCB0
aGUgVUVGSSBmaXJtd2FyZSB3aWxsIHVzZSBYZW4gY29uc29sZSBieSBkZWZhdWx0IGJ1dCBJIGFt
IG5vdCBzdXJlIGl0Cj4+IHdpbGwgZmFsbGJhY2sgdG8gdGhlIFBMMDExIGlmIHByZXNlbnQuIFNv
IHdlIG1heSByZXF1aXJlIHNvbWUgY2hhbmdlIGluIHRoZQo+PiBmaXJtd2FyZSB0byBhbGxvdyBi
b290aW5nIG9uIGRpZmZlcmVudCBjb25maWd1cmF0aW9uIChpLmUgUEwwMTEgZ3Vlc3Qgb3IgUFYK
Pj4gY29uc29sZSBndWVzdCkuCj4KPiBMaW51eCBoYXMgY2hlY2tzIHRvIHNlZSBpZiB0aGUgcGZu
IG9yIGV2dGNobiBhcmUgMCBhbmQgc2tpcHMgUFYgY29uc29sZQo+IGluaXRpYWxpemF0aW9uIGlu
IHRob3NlIGNhc2VzLiBUaWFub2NvcmVzIHByb2JhYmx5IGhhcyB0aGUgc2FtZSBjaGVja3MKPiAo
YnV0IEkgaGF2ZW4ndCByZWFkIHRoZSBjb2RlKS4KClByb2JhYmx5LCBJIGFtIG1vcmUgY29uY2Vy
bmVkIGFib3V0IFRpYW5vY29yZSBjb25zb2xlIG5vdCBmYWxsaW5nIGJhY2sgCm9uIHRoZSBQTDAx
MS4gVGhlIFVFRkkgZmlybXdhcmUgaXMgc3BlY2lmaWNhbGx5IGJ1aWx0IGZvciBYZW4gQVJNIGd1
ZXN0LCAKc28gSSB3b3VsZCBiZSBzdXJwcmlzZWQgdG8gc2VlIGEgUEwwMTEgZHJpdmVyIGluY2x1
ZGVkLgoKQ2hlZXJzLAoKLS0gCkp1bGllbiBHcmFsbAoKX19fX19fX19fX19fX19fX19fX19fX19f
X19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApYZW4tZGV2ZWxA
bGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVuLWRldmVsCg==