Re: [Xen-devel] [PATCH v2] xen/arm64: correctly emulate the {w, x}zr registers

2016-03-24 Thread Julien Grall
Hi Jan, On 24/03/16 11:28, Jan Beulich wrote: On 24.03.16 at 12:12, wrote: (CC committers) On 24/03/16 10:54, Stefano Stabellini wrote: On Wed, 23 Mar 2016, Julien Grall wrote: Hi Stefano, On 22/02/16 17:38, Stefano Stabellini wrote: On Fri, 15 Jan 2016, Ian

Re: [Xen-devel] [PATCH v2] xen/arm64: correctly emulate the {w, x}zr registers

2016-03-24 Thread Jan Beulich
>>> On 24.03.16 at 12:12, wrote: > (CC committers) > > On 24/03/16 10:54, Stefano Stabellini wrote: >> On Wed, 23 Mar 2016, Julien Grall wrote: >>> Hi Stefano, >>> >>> On 22/02/16 17:38, Stefano Stabellini wrote: On Fri, 15 Jan 2016, Ian Campbell wrote: I

Re: [Xen-devel] [PATCH v2] xen/arm64: correctly emulate the {w, x}zr registers

2016-03-24 Thread Julien Grall
(CC committers) On 24/03/16 10:54, Stefano Stabellini wrote: On Wed, 23 Mar 2016, Julien Grall wrote: Hi Stefano, On 22/02/16 17:38, Stefano Stabellini wrote: On Fri, 15 Jan 2016, Ian Campbell wrote: I read the patch and looks good to me. You can add my Reviewed-by: Stefano Stabellini

Re: [Xen-devel] [PATCH v2] xen/arm64: correctly emulate the {w, x}zr registers

2016-03-24 Thread Stefano Stabellini
On Wed, 23 Mar 2016, Julien Grall wrote: > Hi Stefano, > > On 22/02/16 17:38, Stefano Stabellini wrote: > > On Fri, 15 Jan 2016, Ian Campbell wrote: > > > > I read the patch and looks good to me. You can add my > > > > Reviewed-by: Stefano Stabellini > > > >

Re: [Xen-devel] [PATCH v2] xen/arm64: correctly emulate the {w, x}zr registers

2016-03-23 Thread Julien Grall
Hi Stefano, On 22/02/16 17:38, Stefano Stabellini wrote: On Fri, 15 Jan 2016, Ian Campbell wrote: I read the patch and looks good to me. You can add my Reviewed-by: Stefano Stabellini I have a couple of minor comments, which you can ignore or address as you

Re: [Xen-devel] [PATCH v2] xen/arm64: correctly emulate the {w, x}zr registers

2016-02-22 Thread Stefano Stabellini
On Fri, 15 Jan 2016, Ian Campbell wrote: > From: Julien Grall > > On AArch64, encoding 31 for an R in the HSR is used to represent > either {w,x}sp or {w,x}zr (See C1.2.4 in ARM DDI 0486A.d) depending on > how the register field is interpreted by the instruction. > >

[Xen-devel] [PATCH v2] xen/arm64: correctly emulate the {w, x}zr registers

2016-01-15 Thread Ian Campbell
From: Julien Grall On AArch64, encoding 31 for an R in the HSR is used to represent either {w,x}sp or {w,x}zr (See C1.2.4 in ARM DDI 0486A.d) depending on how the register field is interpreted by the instruction. All the instructions trapped by Xen (either via a sysreg