From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: Xen ARM - Exposing a PL011 to the guest Date: Wed, 28 Dec 2016 17:49:22 +0000 Message-ID: References: <86800697-5057-3f14-c19f-151e81315133@arm.com> <20161201102618.GA10384@cbox> <7c3a29e7-aea6-5f9c-61b0-b4f82bcafa34@arm.com> <20161219122005.GA28927@cbox> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Stefano Stabellini Cc: Wei Liu , Steve Capper , George Dunlap , Andrew Cooper , Ian Jackson , Xen Devel , Jan Beulich , Bhupinder Thakur , Christoffer Dall List-Id: xen-devel@lists.xenproject.org SGkgU3RlZmFubywKCk9uIDIxLzEyLzE2IDIyOjEyLCBTdGVmYW5vIFN0YWJlbGxpbmkgd3JvdGU6 Cj4gT24gV2VkLCAyMSBEZWMgMjAxNiwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+PiBPbiAyMC8xMi8y MDE2IDIwOjUzLCBTdGVmYW5vIFN0YWJlbGxpbmkgd3JvdGU6Cj4+PiBPbiBUdWUsIDIwIERlYyAy MDE2LCBKdWxpZW4gR3JhbGwgd3JvdGU6Cj4+Pj4gT24gMTkvMTIvMjAxNiAyMToyNCwgU3RlZmFu byBTdGFiZWxsaW5pIHdyb3RlOgo+Pj4+PiBPbiBNb24sIDE5IERlYyAyMDE2LCBDaHJpc3RvZmZl ciBEYWxsIHdyb3RlOgo+Pj4+Pj4gT24gRnJpLCBEZWMgMTYsIDIwMTYgYXQgMDU6MDM6MTNQTSAr MDAwMCwgSnVsaWVuIEdyYWxsIHdyb3RlOgo+Pj4+PiBJZiB3ZSB1c2UgaHZtX3BhcmFtcyBmb3Ig dGhpcywgd2UgbmVlZCB0d28gbmV3IGh2bV9wYXJhbXMgYW5kIFhlbiBuZWVkcwo+Pj4+PiB0byB1 bm1hcCB0aGUgcGZuIGZyb20gdGhlIGd1ZXN0IGltbWVkaWF0ZWx5LCBiZWNhdXNlIHdlIGRvbid0 IHdhbnQgdGhlCj4+Pj4+IGd1ZXN0IHRvIGhhdmUgYWNjZXNzIHRvIGl0Lgo+Pj4+Cj4+Pj4gSWYg eW91IHVubWFwIHRoZSBwZm4sIHRoZSBQViBiYWNrZW5kIHdpbGwgbm90IGJlIGFibGUgdG8gcmVx dWVzdCB0aGUgcGFnZQo+Pj4+IGJlY2F1c2UgdGhlcmUgd2lsbCBiZSBubyB0cmFuc2xhdGlvbiBh dmFpbGFibGUuCj4+Pj4KPj4+PiBTbyB3aGF0IHlvdSB3YW50IHRvIGRvIGlzIHByZXZlbnRpbmcg dGhlIGd1ZXN0IHRvIGF0IGxlYXN0IHdyaXRlIGludG8KPj4+PiByZWdpb24KPj4+PiAobm90IHN1 cmUgaWYgaXQgaXMgd29ydGggdG8gcmVzdHJpY3QgcmVhZCkKPj4+Cj4+PiBUaGF0J3MgYSBnb29k IGlkZWEuCj4+Pgo+Pj4KPj4+PiBhbmQgdW5tYXAgdGhlIHBhZ2UgdmlhIHRoZSBoeXBlcmNhbGwg WEVOTUVNX2RlY3JlYXNlX3Jlc2VydmF0aW9uLgo+Pj4KPj4+IFRoYXQgd291bGQgYmUgaXNzdWVk IGJ5IHRoZSBndWVzdCBpdHNlbGYsIHJpZ2h0PyBUbyBzYXZlIGFkZHJlc3Mgc3BhY2U/Cj4+Cj4+ IENvcnJlY3QuIFRoZSBtYWluIHVzZSBjYXNlIHRvZGF5IGlzIGJhbGxvb25pbmcsIGJ1dCBndWVz dCBjb3VsZCBjYWxsIGl0IG9uIGFueQo+PiBvdGhlciBSQU0gYmFrZWQgcGFnZS4KPj4KPj4gSSB3 YXMgdGhpbmtpbmcgYWJvdXQgbW9yZSBhYm91dCB0aGUgcHJvdGVjdGlvbiBuZWVkZWQuIFRlY2hu aWNhbGx5IHRoZSBkYXRhIGluCj4+IHRoZSByaW5nIGFyZSBub3QgdHJ1c3RlZC4gU28gaWYgdGhl IGd1ZXN0IGlzIG1lc3NpbmcgdXAgd2l0aCBpdCwgaXQgd291bGQgbm90Cj4+IGJlIGEgYmlnIGlz c3VlLiBPciBkaWQgSSBtaXNzIGFueXRoaW5nIGhlcmU/Cj4KPiBJIHVuZGVyc3RhbmQgdGhhdCBh IGd1ZXN0IHdvdWxkIGJlIHNtYXJ0IHRvIGNhbGwKPiBYRU5NRU1fZGVjcmVhc2VfcmVzZXJ2YXRp b24gb24gdGhlIFBWIGNvbnNvbGUgcGFnZSBmb3IgcGwwMTEsIGJ1dCBpdAo+IGNhbm5vdCBiZSBh IHNlY3VyaXR5IG1lYXN1cmUsIGJlY2F1c2UsIGluIGZhY3QsIGl0IG5lZWRzIHRvIGJlIGNhbGxl ZCBieQo+IHRoZSBndWVzdC4gIE9mIGNvdXJzZSwgYSBtYWxpY2lvdXMgZ3Vlc3QgY2FuIHNpbXBs eSBub3QgY2FsbAo+IFhFTk1FTV9kZWNyZWFzZV9yZXNlcnZhdGlvbiBmb3IgaXQuCgpTb3JyeSBJ IHdhcyBub3QgY2xlYXIuIEkgd2FzIG5vdCBzdWdnZXN0ZWQgdGhlIGd1ZXN0IHRvIGNhbGwgClhF Tk1FTV9kZWNyZWFzZV9yZXNlcnZhdGlvbiBvbiByaW5nIGZvciBzZWN1cml0eSBidXQgYSBtYWxp Y2lvdXMgZ3Vlc3QgCmlzc3VpbmcgdGhlIGh5cGVyY2FsbCBvbiB0aGUgcmluZyBwcm90ZWN0ZWQg YW5kIHJlcGxhY2luZyBieSBhbm90aGVyIHBhZ2UuCgpUaGlzIGlzIHRoZSBleGFjdCBzYW1lIHBy b2JsZW0gYXMgdGhlIG9uZSBJIG1lbnRpb25lZCBvbiB0aGUgSVRTIHRocmVhZC4gClRoZSBwYWdl IGxpdmUgaW4gZ3Vlc3QgbWVtb3J5IGJ1dCBjb250YWlucyBkYXRhIHRoYXQgd2lsbCBvbmx5IGJl IAp0b3VjaGVkIGJ5IFhlbi4KCklmIHlvdSByZW1vdmUgdGhvc2UgcGFnZSBmcm9tIHN0YWdlLTIs IHRoZSB0cmFuc2xhdGlvbiBJUEEgLT4gTUZOIHdpbGwgCmJlIGxvc3QgdW5sZXNzIHlvdSBzdG9y ZSBzb21ld2hlcmUgZWxzZS4gWW91IHdvdWxkIGhhdmUgdG8gZG8gaXQgCnBlci1wYWdlIGFzIHRo ZSBidWZmZXIgd2lsbCB1c2UgY29udGlndW91cyBJUEEgYnV0IHBvdGVudGlhbGx5IApub25jb250 aWd1b3VzIE1GTi4KCkluIHRoZSBjYXNlIG9mIElUUyB0aGUgbWVtb3J5IGlzIHByb3Zpc2lvbmVk IGJ5IHRoZSBndWVzdC4gU28gdGhlcmUgYXJlIApub3QgbXVjaCB0byBkbyB0aGVyZSBleGNlcHQg YWRkaW5nIHByb3RlY3Rpb24gaW4gc3RhZ2UtMiBzdWNoIGFzIHdyaXRlIApwcm90ZWN0aW9uIGFu ZCBwcmV2ZW50aW5nIHRoZSBndWVzdCB0byB1bm1hcCBpdC4gSG93ZXZlciBmb3IgdGhlIHBsMDEx IApyaW5nLCBhcyBBbmRyZXcgcG9pbnRlZCBvbiBJUkMsIHdoYXQgd2UgbmVlZCB0byBkbyBpcyBh Y2NvdW50aW5nIHRoaXMgCnBhZ2UgdG8gdGhlIGRvbWFpbiBtZW1vcnkuIE5vIG1hcHBpbmcgaXMg bmVjZXNzYXJ5IGluIHN0YWdlLTIuCgpSZWdhcmRzLAoKLS0gCkp1bGllbiBHcmFsbAoKX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxp bmcgbGlzdApYZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwczovL2xpc3RzLnhlbi5vcmcveGVu LWRldmVsCg==