On Wed, Aug 15, 2012 at 9:33 AM, Peter Maydell <peter.maydell@xxxxxxxxxx> wrote: > On 15 August 2012 14:03, Christoffer Dall <c.dall@xxxxxxxxxxxxxxxxxxxxxx> wrote: >> unfortunately it is complicated by the fact that we need to know how >> long the instruction is to be able to skip it, which would mean that >> we would have to do the VA to PA on every HVC exception and copy the >> instruction from the guest check the length - unless we assume that >> HSR.ISV == 1 whenever this happens...? > > You should always be able to get the instruction length via > HSR.IL for ccode-failed cases, because they only apply for > cases where a hyp trap has been set for a particular instruction > or instruction class. In particular, if we have got past the > assertion that EC is not zero and the check for top two bits > nonzero, then we're definitely in one of the set of exception > classes for which HSR.IL is valid. > that's true, thanks for working that out for me ;) -Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
