[PATCH v2 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-01-29 Thread Beata Michalska
On ARMv7 & ARMv8 some load/store instructions might trigger a data abort exception with no valid ISS info to be decoded. The lack of decode info makes it at least tricky to emulate those instruction which is one of the (many) reasons why KVM will not even try to do so. Add support for handling tho

Re: [PATCH v2 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-02-05 Thread Andrew Jones
On Wed, Jan 29, 2020 at 08:24:41PM +, Beata Michalska wrote: > On ARMv7 & ARMv8 some load/store instructions might trigger a data abort > exception with no valid ISS info to be decoded. The lack of decode info > makes it at least tricky to emulate those instruction which is one of the > (many)

Re: [PATCH v2 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-02-06 Thread Beata Michalska
On Wed, 5 Feb 2020 at 16:57, Andrew Jones wrote: > > On Wed, Jan 29, 2020 at 08:24:41PM +, Beata Michalska wrote: > > On ARMv7 & ARMv8 some load/store instructions might trigger a data abort > > exception with no valid ISS info to be decoded. The lack of decode info > > makes it at least trick

Re: [PATCH v2 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-02-07 Thread Andrew Jones
On Thu, Feb 06, 2020 at 09:48:05PM +, Beata Michalska wrote: > On Wed, 5 Feb 2020 at 16:57, Andrew Jones wrote: > > > > On Wed, Jan 29, 2020 at 08:24:41PM +, Beata Michalska wrote: > > > On ARMv7 & ARMv8 some load/store instructions might trigger a data abort > > > exception with no valid

Re: [PATCH v2 2/2] target/arm: kvm: Handle DABT with no valid ISS

2020-02-11 Thread Beata Michalska
On Fri, 7 Feb 2020 at 08:20, Andrew Jones wrote: > > On Thu, Feb 06, 2020 at 09:48:05PM +, Beata Michalska wrote: > > On Wed, 5 Feb 2020 at 16:57, Andrew Jones wrote: > > > > > > On Wed, Jan 29, 2020 at 08:24:41PM +, Beata Michalska wrote: > > > > On ARMv7 & ARMv8 some load/store instruct