From mboxrd@z Thu Jan 1 00:00:00 1970 From: Volodymyr Babchuk Subject: Re: [PATCH v4 05/10] xen/arm: optee: add std call handling Date: Wed, 20 Mar 2019 17:42:50 +0000 Message-ID: <87imwd8msm.fsf@epam.com> References: <20190307210404.12346-1-volodymyr_babchuk@epam.com> <20190307210404.12346-6-volodymyr_babchuk@epam.com> <87r2b18qvv.fsf@epam.com> <26dfc6e8-ed0d-8764-0ed4-e973a1389b38@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1h6fEr-0005Ud-IR for xen-devel@lists.xenproject.org; Wed, 20 Mar 2019 17:42:53 +0000 In-Reply-To: <26dfc6e8-ed0d-8764-0ed4-e973a1389b38@arm.com> Content-Language: en-US List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Julien Grall Cc: "tee-dev@lists.linaro.org" , "xen-devel@lists.xenproject.org" , Stefano Stabellini , Volodymyr Babchuk , Volodymyr Babchuk List-Id: xen-devel@lists.xenproject.org Ckp1bGllbiBHcmFsbCB3cml0ZXM6Cgo+IE9uIDIwLzAzLzIwMTkgMTY6MTQsIFZvbG9keW15ciBC YWJjaHVrIHdyb3RlOgo+Pgo+PiBIaSBKdWxpZW4sCj4KPiBIaSBWb2xvZHlteXIsCj4KPj4gSnVs aWVuIEdyYWxsIHdyaXRlczoKPj4KPj4gWy4uLl0KPj4+PiAgICAgICAgc3RydWN0IGR0X2Rldmlj ZV9ub2RlICpub2RlOwo+Pj4+IEBAIC00OCwxMiArODIsMjUgQEAgc3RhdGljIGJvb2wgb3B0ZWVf cHJvYmUodm9pZCkKPj4+PiAgICAgICAgICAgICAodWludDMyX3QpcmVzcC5hMyAhPSBPUFRFRV9N U0dfVUlEXzMgKQo+Pj4+ICAgICAgICAgICAgcmV0dXJuIGZhbHNlOwo+Pj4+ICAgICsgICAgLyog UmVhZCBudW1iZXIgb2YgdGhyZWFkcyAqLwo+Pj4+ICsgICAgYXJtX3NtY2NjX3NtYyhPUFRFRV9T TUNfR0VUX0NPTkZJRywgT1BURUVfU01DX0NPTkZJR19OVU1fVEhSRUFEUywgJnJlc3ApOwo+Pj4+ ICsgICAgaWYgKCByZXNwLmEwID09IE9QVEVFX1NNQ19SRVRVUk5fT0sgKQo+Pj4KPj4+IE91dCBv ZiBpbnRlcmVzdCwgd2hlbiB3YXMgdGhpcyBjYWxsIGFkZGVkPwo+Pgo+PiBJdCBpcyBvbiByZXZp ZXcgcmlnaHQgbm93LiBXZSBoYXZlIGFjaGlldmVkIGFncmVlbWVudCBvbiB0aGF0IHRoaXMgY2Fs bAo+PiBpcyBuZWVkZWQuIEkgYmVsaWV2ZSB0aGlzIHdpbGwgYmUgbWVyZ2VkIGludG8gT1AtVEVF IGJlZm9yZSBJJ2xsIHNlbmQgdjUKPj4gb2YgdGhpcyBzZXJpZXMuCj4KPiBQbGVhc2UgbWVudGlv biBpdCBhZnRlciAtLS0gc28gd2UgZG9uJ3QgZm9yZ2V0IHRvIGNoZWNrIHRoZSBzdGF0ZSBvZgo+ IHRoZSBuZXcgY2FsbCBiZWZvcmUgbWVyZ2luZyB0byBYZW4uCk9rYXksIHN1cmUKCj4KPj4KPj4+ PiArICAgIHsKPj4+PiArICAgICAgICBtYXhfb3B0ZWVfdGhyZWFkcyA9IHJlc3AuYTE7Cj4+Pj4g KyAgICAgICAgcHJpbnRrKFhFTkxPR19ERUJVRyAiT1AtVEVFIHN1cHBvcnRzICV1IHRocmVhZHMu XG4iLCBtYXhfb3B0ZWVfdGhyZWFkcyk7Cj4+Pgo+Pj4gZXh0cmEgTklUOiBJIHdvdWxkIHVzZSBY RU5MT0dfSU5GTyByYXRoZXIgdGhhbiBYRU5MT0dfREVCVUcuIFRoaXMgaXMgYQo+Pj4gdXNlZnVs IGluZm9ybWF0aW9uIHRvIGhhdmUgaW4gYnVnIHJlcG9ydC4KPj4+Cj4+PiBSZWdhcmRpbmcgdGhl IG1lc3NhZ2UsIHdoYXQgbWF0dGVycyBpcyB0aGUgbnVtYmVyIG9mIHRocmVhZHMgZm9yCj4+PiBn dWVzdC4gU28gSSB3b3VsZCByZXdvcmsgaXQgdG8gbWFrZSBpdCBtb3JlIG1lYW5pbmcgZnVsbCBm b3IgYSB1c2VyCj4+PiB0aGF0IGRvZXMgbm90IGtub3cgdGhlIGludGVybmFsLgo+Pj4KPj4+IFlv dSBtaWdodCBhbHNvIHdhbnQgdG8gbW92ZSB0aGUgbWVzc2FnZSBvdXQgb2YgdGhlIGlmLiBTbyB5 b3UgaGF2ZSB0aGUKPj4+IG1lc3NhZ2UgZXZlbiB3aGVuIE9QLVRFRSBkb2VzIG5vdCBzdXBwb3J0 IHRoZSBTTUMuCj4+IEluIHRoYXQgb3RoZXIgY2FzZSBJIGRvbid0IGtub3cgaG93IG11Y2ggdHJl YWRzIE9QLVRFRSByZWFsbHkKPj4gc3VwcG9ydHMuLi4gSSB0aGluaywgSSB3aWxsIG5lZWQgdG8g cmVwaHJhc2UgdGhhdCBtZXNzYWdlLiBPciwgYmV0dGVyLAo+PiBJJ2xsIGFkZCBhbm90aGVyIG1l c3NhZ2UgbGlrZSAiU3VnZ2VzdGluZyB0aGF0IE9QLVRFRSBzdXBwb3J0cyAlZAo+PiB0aHJlYWRz IHBlciBndWVzdCIuCj4KPiBXYXMgdGhlcmUgYW55IE9QLVRFRSByZWxlYXNlZCBjb250YWluaW5n IHlvdXIgVmlydHVhbGl6YXRpb24gcGF0Y2hlcz8KTm8sIHRoZXJlIHdhcyBubyByZWxlYXNlcyB3 aXRoIHZpcnR1YWxpemF0aW9uIHN1cHBvcnQuCgo+IERlcGVuZGluZyBvbiB0aGUgYW5zd2VyLCBJ IHdvdWxkIGNvbnNpZGVyIHRvIG1hbmRhdGUKPiBPUFRFRV9TTUNfQ09ORklHX05VTV9USFJFQURT IHNvIHdlIGRvbid0IGhhdmUgdG8gZGVhbCB3aXRoIGEgZGVmYXVsdAo+IHZhbHVlIGluIFhlbi4K TWFrZXMgc2Vuc2UsIEkgdGhpbmsuCgo+IEFsc28sIHNob3VsZCB3ZSBleHBvc2UgdGhpcyBjYWxs IHRvIHRoZSBndWVzdCBhcyB3ZWxsPwpZZXMsIHRoaXMgYSBnb29kIHBvaW50LgoKWy4uLl0KCj4+ Pj4gK3N0YXRpYyB2b2lkIHB1dF9zdGRfY2FsbChzdHJ1Y3Qgb3B0ZWVfZG9tYWluICpjdHgsIHN0 cnVjdCBvcHRlZV9zdGRfY2FsbCAqY2FsbCkKPj4+PiArewo+Pj4+ICsgICAgc3Bpbl9sb2NrKCZj dHgtPmxvY2spOwo+Pj4+ICsgICAgQVNTRVJUKGNhbGwtPmluX2ZsaWdodCk7Cj4+Pj4gKyAgICB1 bm1hcF94ZW5fYXJnKGNhbGwpOwo+Pj4KPj4+IFNhbWUgcXVlc3Rpb24gZm9yIHRoZSB1bm1hcC4K Pj4gWWVhaCwgaW4gbm9ybWFsIGNpcmN1bXN0YW5jZXMgZ3Vlc3Qgc2hvdWxkIG5vdCB0cnkgdG8g cmVzdW1lIGNhbGwgb24KPj4gYW5vdGhlciB2Q1BVLCBiZWNhdXNlIHdlIGRpZG4ndCByZXR1cm5l ZCBmcm9tIHRoZSBvcmlnaW5hbCBjYWxsIG9uCj4+IGN1cnJlbnQgdkNQVS4gQnV0IHdoYXQgaWYg Z3VzdCB3aWxsIHRyeSB0byBkbyB0aGlzPyBUaGVyZSBhcmUgY2hhbmNlcywKPj4gdGhhdCBjdXJy ZW50IENQVSB3aWxsIHVubWFwIGJ1ZmZlciB0aGF0IHdhcyBtYXBwZWQgYnkgb3RoZXIgQ1BVIGFu Cj4+IGluc3RhbmNlIGFnby4KPgo+IFdhc24ndCBpdCB0aGUgcG9pbnQgdG8gaGF2ZSB0aGUgaW5f ZmxpZ2h0IGZpZWxkPyBBcyBzb29uIGFzIHlvdSBzZXQKPiBpbl9mbGlnaHQgdG8gdHJ1ZSwgdGhl biBvbmx5IG9uZSBDUFUgY2FuIGhhdmUgdGhlIG9wdGVlX3N0ZF9jYWxsCj4gc3RydWN0dXJlIGlu IGhhbmQuCj4KPiBTbywgYXMgbG9uZyBhcyB5b3UgbWFwL3VubWFwIHdpdGhpbiB0aGUgc2VjdGlv biBwcm90ZWN0ZWQgYnkKPiAiaW5fZmxpZ2h0IiwgeW91IHByb3RlY3RlZCBhZ2FpbnN0IGFueSBy YWNlLiBUaGUgbG9jayBpcyBvbmx5IGhlcmUgdG8KPiBwcm90ZWN0IHRoZSBmaWVsZCBpbl9mbGln aHQgYW5kIHRoZSBsaXN0LiBEaWQgSSBtaXNzIGFueXRoaW5nPwoKVGhpcyBpcyBwYXJ0aWFsbHkg dHJ1ZS4gSSBjYW4gY2FsbCBtYXBfeGVuX2FyZygpIGFmdGVyIHNwaW5fdW5sb2NrKCksIHllcy4K CkJ1dCB0aGVuIEkgbmVlZCB0byBjYWxsIHVubWFwX3hlbl9hcmcoKSBiZWZvcmUgc3Bpbl9sb2Nr KCkgaW4KcHV0X3N0ZF9jYWxsKCkgZnVuY3Rpb24uIElmIHRoZXJlIHdlcmUgbm8gQVNTRVJUKCkg dGhhdCB3b3VsZCBiZSBva2F5LiBCdXQgd2l0aApBU1NFUlQoKSBpdCBpcyBsb29raW5nIHdlaXJk OiBmaXJzdGx5IHdlIGFyZSB1bm1hcHBpbmcgYnVmZmVyIGFuZCB0aGUgd2UgYXJlCmFzc2VydGlu ZyB0aGF0IHdlIGhhZCBhIHJpZ2h0IHRvIGRvIHRoaXMuIFRoaXMgaXMgc29ydCBvZiAidXNlIGJl Zm9yZSBjaGVjayIKCkFuZCBvYnZpb3VzbHksIEkgY2FuJ3QgY2FsbCBBU1NFUlQoKSB3aXRob3V0 IGhvbGRpbmcgdGhlIHRoZSBzcGlubG9jay4KCk9uIG90aGVyIGhhbmQsIEFTU0VSVCgpIGlzIGEg ZGVidWdnaW5nIGZlYXR1cmUsIHNvIHdlIGNhbiBwcmV0ZW5kIHRoYXQgaXMKbm90IHRoZXJlLi4u IElmIHlvdSBva2F5IHdpdGggdGhpcywgSSdsbCBtb3ZlIG1hcHBpbmcvdW5tYXBwaW5nIG91dCBv Zgp0aGUgc3BpbmxvY2tzLgoKLS0KQmVzdCByZWdhcmRzLFZvbG9keW15ciBCYWJjaHVrCl9fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWls aW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVu cHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=