From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Morse Subject: Re: xen/arm: Software Step ARMv8 - PC stuck on instruction Date: Thu, 03 Aug 2017 10:49:06 +0100 Message-ID: <5982F192.7050901@arm.com> References: <51641005-94fc-2b04-ae49-25e84f3cc56f@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ddCll-0006tk-PR for xen-devel@lists.xenproject.org; Thu, 03 Aug 2017 09:50:17 +0000 In-Reply-To: <51641005-94fc-2b04-ae49-25e84f3cc56f@arm.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Julien Grall , Florian Jakobsmeier Cc: xen-devel , Stefano Stabellini List-Id: xen-devel@lists.xenproject.org SGkgRmxvcmlhbiwgSnVsaWVuLAoKT24gMDIvMDgvMTcgMTQ6MzIsIEp1bGllbiBHcmFsbCB3cm90 ZToKPiBPbiAyNi8wNy8xNyAxNDoxMiwgRmxvcmlhbiBKYWtvYnNtZWllciB3cm90ZToKPj4gaSB3 YXMganVzdCB0ZXN0aW5nIHRoZSBzaW5nbGUgc3RlcCBpbXBsZW1lbnRhdGlvbiBhbmQgcmVhbGl6 ZWQgdGhhdCB0aGUKPj4gYmVmb3JlIG1lbnRpb25lZCBzb2x1dGlvbiBpcyBub3QgZnVsbHkgd29y a2luZy4gSSdtIHN0aWxsIHRyeWluZyB0bwo+PiBlbmFibGUgU1MgZm9yIGEgVk0gb24gWGVuLgoK Pj4gVG8gdGVzdCBteSBpbXBsZW1lbnRhdGlvbiBpIHdyb3RlIGEgc21hbGwgS2VybmVsIE1vZHVs ZSBhbmQgc3RhcnRlZCBpdAo+PiBpbiB0aGUgRG9tVS4gVGhlIG1vZHVsZSBvbmx5IGNvbnRhaW5z IGEgbG9vcCB3aGljaCBpbmNyZW1lbnRzIGEgY291bnRlcgo+PiBhbmQgcHJpbnRzIGl0cyB2YWx1 ZS4KPj4gUmlnaHQgYWZ0ZXIgbG9hZGluZyB0aGUgbW9kdWxlSSBzdGFydCB0aGUgc2luZ2xlIHN0 ZXAgbWVjaGFuaXNtIGluIHRoZQo+PiBEb20wIGZvciB0aGUgVk0gKGFnYWluIHdpdGggeGVuLWFj Y2VzcykuCj4+IEFzIHNvb24gYXMgaSBzdGFydCB0aGUgU1MgdGhlIFZNIHdpbGwgc3RvcCB3b3Jr aW5nLgoKPj4gVGhlIEFSTSBBUk0gKEQyLTE5NTYgLSBBUk0gRERJIDA0ODdCLmEgSUQwMzMxMTcp IHN0YXRlcyB0aGF0LCBpbiBvcmRlcgo+PiB0byBlbmFibGVzIHNvZnR3YXJlIHN0ZXA6Cj4+Cj4+ ICAgICBBIGRlYnVnZ2VyIGVuYWJsZXMgTURTQ1JfRUwxLlNTID0gMQo+Pgo+PiAgICAgRXhlY3V0 ZXMgYW4gRVJFVAoKLi4ud2l0aCBTUFNSLlNTID0gMSwgYW5kIHlvdSBuZWVkIHRvIEVSRVQgd2l0 aCBQU1RBVEUuRCBkaXNhYmxlZCAod2hpY2ggSSBhc3N1bWUKWGVuIGFsd2F5cyBoYXMpLgoKVGhp cyB0aGVuIGJlY29tZXMgdGhlIGd1ZXN0J3MgUFNUQVRFLlNTIGJpdCwgd2hpY2ggc3VwcHJlc3Nl cyB0aGUgc2luZ2xlLXN0ZXAKZXhjZXB0aW9uIHVudGlsIGl0IGhhcyBzdGVwcGVkIG9uZSBpbnN0 cnVjdGlvbi4KCgo+PiAgICAgVGhlIFBFIGV4ZWN1dGVzIHRoZSBpbnN0cnVjdGlvbiB0byBiZSBz aW5nbGUtc3RlcHBlZAo+Pgo+PiAgICAgVGFrZXMgYSBzb2Z0d2FyZSBzdGVwIGV4Y2VwdGlvbiBv biB0aGUgbmV4dCBpbnN0cnVjdGlvbgoKCj4+IE15IGd1ZXNzIGlzIHRoYXQgYnkgc2V0dGluZyB0 aGUgbmVlZGVkIFNTIHJlZ2lzdGVycyBldmVyIHRpbWUgd2hlbiB3ZQo+PiBsZWF2ZSB0aGUgZ3Vl c3QsIHRoZSBjb25maWd1cmF0aW9uIHdvbid0IGFsbG93IHRoZSBndWVzdCB0byBleGVjdXRlIHRo ZQo+PiAidG8gYmUgc2luZ2xlIHN0ZXBwZWQgaW5zdHJ1Y3Rpb24iCj4+IEJlZm9yZSBleGVjdXRp bmcgdGhlIChmaXJzdCkgaW5zdHJ1Y3Rpb24gdGhlIFZNIHdpbGwgZ2VuZXJhdGUgdGhlIFNTCj4+ IGV4Y2VwdGlvbiAoYXMgZGVzaXJlZCkuIEluIHRoZSBoeXBlcnZpc29yIHdlIHdpbGwgc2V0IHRo ZSBTUyByZWdpc3RlcnMKPj4gYWdhaW4sIHdoaWNoIGNvdWxkIGhpbmRlciB0aGUgVk0gdG8gZXhl Y3V0ZSB0aGUgaW5zdHJ1Y3Rpb24gKHdoaWNoIHdlCj4+IHdhbnQgYmVjYXVzZSB3ZSBhbHJlYWR5 IGdlbmVyYXRlZCBhbiBTUyBleGNlcHRpb24gZm9yIHRoaXMgaW5zdHJ1Y3Rpb24pCj4+IGFuZCBp bnN0ZWFkIGdlbmVyYXRlIGEgc2Vjb25kIFNTIGV4Y2VwdGlvbiBmb3IgaXQuIFRoaXMgd2lsbCBs ZWFkIHRvIHRoZQo+PiBzZWNvbmQgUEMgcHJpbnQgaW4gdGhlIHNpbmdsZSBzdGVwIGhhbmRsZXIK Cj4+IEJ1dCBJJ20gbm90IGFibGUgdG8gZmluZCBhbnkgcHJvb2YgZm9yIHRoaXMuCgpJJ20gYWZy YWlkIHRoZSBBUk0tQVJNIGNvdWxkIGJlIGNsZWFyZXIgYWJvdXQgaG93IHRoaXMgd29ya3MuIChJ dCdzIGhhZCBtZQpjb25mdXNlZCBhbGwgd2VlayEpLgoKVGhlIHN0YXRlIG1hY2hpbmUgaW4gZmln dXJlIEQyLTQgKEQyLjEyLjMgdGhlIHNvZnR3YXJlIHN0ZXAgc3RhdGUgbWFjaGluZSkKc2hvdWxk IGhlbHAuIEkgaGF2ZW4ndCBsb29rZWQgYXQgWGVuIChvciB5b3VyIHBhdGNoKSwgYnV0IGZyb20g eW91ciBkZXNjcmlwdGlvbgppdCBzb3VuZHMgbGlrZSB5b3UgYXJlIGVudGVyaW5nIHRoZSBndWVz dCB3aXRoIHRoZSBkZWJ1ZyBzdGF0ZSBtYWNoaW5lIGluCmFjdGl2ZS1wZW5kaW5nIHN0YXRlLCB0 aGVuIHRha2luZyBhIHNpbmdsZS1zdGVwIGV4Y2VwdGlvbiBpbW1lZGlhdGVseS4gWW91IG5ldmVy CmFjdHVhbGx5IGV4ZWN1dGUgdGhlIGluc3RydWN0aW9uLXRvLWJlLXN0ZXBwZWQuCgpJbnN0ZWFk IHlvdSB3YW50IHRvIGVudGVyIHRoZSBndWVzdCBpbiBhY3RpdmUtbm90LXBlbmRpbmcgc3RhdGUs IHRoZSBydWxlcyBmb3IKdGhpcyBhcmUgaW4gJ0QyLjEyLjQgRW50ZXJpbmcgdGhlIGFjdGl2ZS1u b3QtcGVuZGluZyBzdGF0ZScuCgoKVGhhbmtzLAoKSmFtZXMKCl9fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRl dmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=