Re: [Qemu-devel] [PATCH v2 0/9] target-arm: EL3 trap support

2015-05-18 Thread Peter Maydell
On 22 April 2015 at 18:09, Greg Bellows wrote: > Initial patchset adding support for trapping to an EL other than EL1. Support > includes changes to interfaces to allow specification of the target EL. Also > includes the addition of the ARMv8 CPTR system registers used for controlling > the trap

Re: [Qemu-devel] [PATCH v2 0/9] target-arm: EL3 trap support

2015-04-23 Thread Greg Bellows
On Thu, Apr 23, 2015 at 5:10 AM, Peter Maydell wrote: > On 23 April 2015 at 04:37, Edgar E. Iglesias > wrote: > > I had a comment on the trapping of WFX, I recall not checking for > > has_work was causing a lot of exception round-trips when running > > XEN. To the point were things almost stoppe

Re: [Qemu-devel] [PATCH v2 0/9] target-arm: EL3 trap support

2015-04-23 Thread Edgar E. Iglesias
--- Sent from my phone On 23/04/2015 8:10 pm, "Peter Maydell" wrote: > > On 23 April 2015 at 04:37, Edgar E. Iglesias wrote: > > I had a comment on the trapping of WFX, I recall not checking for > > has_work was causing a lot of exception round-trips when running > > XEN. To the point were things

Re: [Qemu-devel] [PATCH v2 0/9] target-arm: EL3 trap support

2015-04-23 Thread Peter Maydell
On 23 April 2015 at 04:37, Edgar E. Iglesias wrote: > I had a comment on the trapping of WFX, I recall not checking for > has_work was causing a lot of exception round-trips when running > XEN. To the point were things almost stopped working. For traps on WFE, or traps on WFI? If the former, we s

Re: [Qemu-devel] [PATCH v2 0/9] target-arm: EL3 trap support

2015-04-23 Thread Peter Maydell
On 23 April 2015 at 04:37, Edgar E. Iglesias wrote: > On Wed, Apr 22, 2015 at 12:09:12PM -0500, Greg Bellows wrote: >> Initial patchset adding support for trapping to an EL other than EL1. >> Support >> includes changes to interfaces to allow specification of the target EL. Also >> includes the

Re: [Qemu-devel] [PATCH v2 0/9] target-arm: EL3 trap support

2015-04-22 Thread Edgar E. Iglesias
On Wed, Apr 22, 2015 at 12:09:12PM -0500, Greg Bellows wrote: > Initial patchset adding support for trapping to an EL other than EL1. Support > includes changes to interfaces to allow specification of the target EL. Also > includes the addition of the ARMv8 CPTR system registers used for controll

[Qemu-devel] [PATCH v2 0/9] target-arm: EL3 trap support

2015-04-22 Thread Greg Bellows
Initial patchset adding support for trapping to an EL other than EL1. Support includes changes to interfaces to allow specification of the target EL. Also includes the addition of the ARMv8 CPTR system registers used for controlling the trapping of features. --- v1 -> v2 - Removed use of MAX th