From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tamas K Lengyel Subject: Re: [RFC v2 3/6] xen/arm: Allow platform_hvc to handle guest SMC calls Date: Wed, 8 Feb 2017 16:28:46 -0700 Message-ID: References: <1486496525-14637-1-git-send-email-edgar.iglesias@gmail.com> <1486496525-14637-4-git-send-email-edgar.iglesias@gmail.com> <5e28f51a-bf51-2355-a6d0-c5197d2b955d@arm.com> <20170208083154.GZ12995@toto> <1cb1253c-c378-4598-f421-1b9fb2466672@arm.com> <20170208172913.GR9606@toto> <20170208194011.GS9606@toto> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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: Julien Grall Cc: "Edgar E. Iglesias" , "Edgar E. Iglesias" , Stefano Stabellini , Volodymyr Babchuk , Xen-devel List-Id: xen-devel@lists.xenproject.org T24gV2VkLCBGZWIgOCwgMjAxNyBhdCAzOjA0IFBNLCBKdWxpZW4gR3JhbGwgPGp1bGllbi5ncmFs bEBhcm0uY29tPiB3cm90ZToKPiBIaSBUYW1hcywKPgo+IENhbiB5b3UgcGxlYXNlIHRyeSB0byBj b25maWd1cmUgeW91ciBlLW1haWwgY2xpZW50IHRvIHVzZSAnPicgcmF0aGVyIHRoYW4gJwo+ICc/ IEl0IG1ha2VzIHF1aXRlIGhhcmQgdG8gcmVhZCB0aGUgZS1tYWlsLgoKSG0sIG5vdCBzdXJlIHdo eSBpdCBzd2l0Y2hlZCBidXQgc2hvdWxkIGJlIGZpbmUgbm93LgoKPiBPbiAwOC8wMi8yMDE3IDIw OjE1LCBUYW1hcyBLIExlbmd5ZWwgd3JvdGU6Cj4+Cj4+Cj4+Cj4+IE9uIFdlZCwgRmViIDgsIDIw MTcgYXQgMTI6NDAgUE0sIEVkZ2FyIEUuIElnbGVzaWFzCj4+IDxlZGdhci5pZ2xlc2lhc0BnbWFp bC5jb20gPG1haWx0bzplZGdhci5pZ2xlc2lhc0BnbWFpbC5jb20+PiB3cm90ZToKPj4gICAgIE9u IFdlZCwgRmViIDA4LCAyMDE3IGF0IDA2OjI5OjEzUE0gKzAxMDAsIEVkZ2FyIEUuIElnbGVzaWFz IHdyb3RlOgo+Cj4KPj4gICAgIElmIHBsYXRmb3JtX2h2YygpIGNvbnN1bWVzIGFuIFNNQywgaXQn cyBjb25zaWRlcmVkIHBhcnQgb2YgdGhlIFhlbgo+PiBBUEkuCj4+ICAgICBWaXNpYmxlIGJ1dCBu b3QgZmlsdGVyYWJsZSBieSBhIG1vbml0b3IuCj4+Cj4+Cj4+ICAgICBQbGF0Zm9ybXMgY2FuIHRo ZW4gZGljdGF0ZSB3aGljaCBTTUMgY2FsbHMgYXJlIGJldHRlciBoYW5kbGVkIHdpdGhpbgo+PiAg ICAgWGVuIGFuZAo+PiAgICAgd2hpY2ggb25lcyBjYW4gYmUgZXhwb3NlZCB0byBkb20wIHVzZXIt c3BhY2UuCj4+Cj4+ICAgICBJbiBhZGRpdGlvbiwgdGhlcmUgY291bGQgYmUgYSBoeXBlcmNhbGwg dG8gZGlzYWJsZSBwbGF0Zm9ybSBzcGVjaWZpYwo+PiAgICAgaGFuZGxpbmcKPj4gICAgIGluIFhl biBhbGx0b2dldGhlciBmb3IgYSBnaXZlbiBndWVzdC4gVGhlbiBldmVyeXRoaW5nIGdvZXMgdG8g ZG9tMAo+PiAgICAgdXNlci1zcGFjZS4KPj4KPj4gICAgIEl0J3MgYSBsaXR0bGUgbWVzc3kuLi4K Pj4KPj4KPj4KPj4gVGhhdCBpcyBtZXNzeSBhbmQgSSB3b3VsZCBub3Qgd2FudCBhbnkgU01DcyBy ZWFjaGluZyB0aGUgZmlybXdhcmUgd2hlbgo+PiB0aGUgbW9uaXRvciBhcHBsaWNhdGlvbiBpcyBp biB1c2UuIFRoZSBtb25pdG9yIGludGVyZmFjZSBpcyBkaXNhYmxlZCBieQo+PiBkZWZhdWx0IGFu ZCB0aGVyZSBhcmVuJ3QgYW55IGtub3duIHVzZWNhc2VzIHdoZXJlIHRoZSBTTUMgaGFzIHRvIHJl YWNoCj4+IGJvdGggdGhlIGZpcm13YXJlIGFuZCB0aGUgbW9uaXRvciBhcHBsaWNhdGlvbiBhcyB3 ZWxsLiBTbyBJIHRoaW5rIGl0IGlzCj4+IHNhZmUgdG8ganVzdCBtYWtlIHRoZSB0d28gdGhpbmdz IG11dHVhbGx5IGV4Y2x1c2l2ZS4KPgo+Cj4gSWYgeW91IGxvb2sgYXQgdGhlIFNNQyBDYWxsaW5n IENvbnZlbnRpb24gWzFdIGJvdGggSFZDIGFuZCBTTUMgYXJlCj4gY29uc2lkZXJlZCBhIGNvbmR1 aXQgZm9yIHNlcnZpY2UgY2FsbCB0byB0aGUgc2VjdXJlIGZpcm13YXJlIG9yIGh5cGVydmlzb3Iu Cj4gSXQgd291bGQgYmUgdXAgdG8gdGhlIGh5cGVydmlzb3IgZGVjaWRpbmcgd2hhdCB0byBkby4K Pgo+IExldHMgaW1hZ2luZSB0aGUgZ3Vlc3QgaXMgZGVjaWRpbmcgdG8gdXNlIEhWQyB0byBhY2Nl c3MgdGhlIHNlY3VyZSBmaXJtd2FyZQo+IChBRkFJVSB0aGlzIHBhdGNoIHNlcmllcyBpcyBhZGRp bmcgdGhhdCksIGFyZSB5b3UgZ29pbmcgdG8gbW9uaXRvciBhbGwgdGhlCj4gSFZDcyAoaW5jbHVk aW5nIGh5cGVyY2FsbCk/CgpUaGVyZSBhcmUgc29tZSBmdW5kYW1lbnRhbCBkaWZmZXJlbmNlcyBi ZXR3ZWVuIEhWQyBhbmQgU01DIGNhbGxzCnRob3VnaC4gQW4gSFZDIGNhbiBvbmx5IGxhbmQgaW4g dGhlIGh5cGVydmlzb3IsIHNvIGFzIGEgaHlwZXJjYWxsLCBJCndvdWxkIGV4cGVjdCBpdCB0byBi ZSBzb21ldGhpbmcgSSBjYW4gZGVueSB2aWEgWFNNLiBUaGF0IGlzIGEKc3VmZmljaWVudCBvcHRp b24gZm9yIG5vdyB0byBibG9jayB0aGUgcGF0aCB0byB0aGUgZmlybXdhcmUuIElmIHdlIGVuZAp1 cCBuZWVkaW5nIHRvIHN1cHBvcnQgYW4gYXBwbGljYXRpb24gdGhhdCB1c2VzIHRoYXQgaHlwZXJj YWxsIGZvcgpzb21ldGhpbmcgY3JpdGljYWwsIHRoZW4geWVzLCBpdCB3b3VsZCBhbHNvIG5lZWQg dG8gYmUgaG9va2VkIGludG8gdGhlCm1vbml0b3Igc3lzdGVtLiBBdCB0aGUgbW9tZW50IHRoaXMg aXMgbm90IG5lY2Vzc2FyeS4KClNvIGlmIHdlIGFyZSBsYW5kaW5nIGluIGRvX3RyYXBfc21jIGZy b20gYW4gSFZDIGNhbGwsIEkgdGhpbmsgaXQgd291bGQKYmUgYmV0dGVyIHRvIGludHJvZHVjZSBh IHNlcGFyYXRlIGZ1bmN0aW9uIGZvciBpdCByYXRoZXIgdGhlbiBqdXN0CmJ1bmNoaW5nIHRoZSB0 d28gdG9nZXRoZXIgaGVyZS4KCj4KPiBTaW1pbGFybHksIG5vbi1tb2RpZmllZCBiYXJlbWV0YWwg YXBwIGNvdWxkIHVzZSBTTUMgdG8gcG93ZXIgb24vb2ZmIHRoZSB2Q1BVCj4gKHNlZSBQU0NJIHNw ZWMpLiBXaWxsIHlvdSBlbXVsYXRlIHRoYXQgaW4gdGhlIG1vbml0b3IgYXBwPwoKWWVzLCB0aGUg dW5kZXJseWluZyBzZXR1cCByZXF1aXJlcyB0aGF0IGV2ZXJ5dGhpbmcgdGhhdCBpcyBleHBlY3Rl ZApmcm9tIHRoZSBmaXJtd2FyZSB0byBiZSBwZXJmb3JtZWQgZWl0aGVyIGJ5IHRoZSBtb25pdG9y IGFwcCwgb3IgaGF2ZQp0aGUgbW9uaXRvciBhcHAgZnVydGhlciBkZWxlZ2F0ZSBpdCBzb21ld2hl cmUgdGhhdCBjYW4gcGVyZm9ybSB0aGUKdGFzay4gVGhhdCBjYW4gYmUgZWl0aGVyIHRoZSBmaXJt d2FyZSBpdHNlbGYgKGlmIGl0cyBzYWZlKSwgb3IgYW4KaXNvbGF0ZWQgVk0gaWYgaXQgaXMgcG9z c2libGUgdG8gcGVyZm9ybSB0aGUgdGFzayB0aGVyZS4gSSB3b3VsZG4ndApjYWxsIHRoaXMgZW11 bGF0aW9uIG5lY2Vzc2FyaWx5IGJ0dy4KClRhbWFzCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBs aXN0cy54ZW4ub3JnCmh0dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK