Re: [Qemu-devel] [PATCH v4 11/21] target-arm: Don't mention PMU in debug feature register

2014-03-17 Thread Peter Crosthwaite
On Mon, Mar 17, 2014 at 10:58 PM, Peter Maydell wrote: > On 17 March 2014 05:13, Peter Crosthwaite > wrote: >> On Fri, Mar 7, 2014 at 5:32 AM, Peter Maydell >> wrote: >>> Suppress the ID_AA64DFR0_EL1 PMUVer field, even if the CPU specific >>> value claims that it exists. QEMU doesn't currently

Re: [Qemu-devel] [PATCH v4 11/21] target-arm: Don't mention PMU in debug feature register

2014-03-17 Thread Peter Maydell
On 17 March 2014 05:13, Peter Crosthwaite wrote: > On Fri, Mar 7, 2014 at 5:32 AM, Peter Maydell > wrote: >> Suppress the ID_AA64DFR0_EL1 PMUVer field, even if the CPU specific >> value claims that it exists. QEMU doesn't currently implement it, >> and not advertising it prevents the guest from

Re: [Qemu-devel] [PATCH v4 11/21] target-arm: Don't mention PMU in debug feature register

2014-03-16 Thread Peter Crosthwaite
On Fri, Mar 7, 2014 at 5:32 AM, Peter Maydell wrote: > Suppress the ID_AA64DFR0_EL1 PMUVer field, even if the CPU specific > value claims that it exists. QEMU doesn't currently implement it, > and not advertising it prevents the guest from trying to use it > and getting UNDEFs on unimplemented reg

[Qemu-devel] [PATCH v4 11/21] target-arm: Don't mention PMU in debug feature register

2014-03-06 Thread Peter Maydell
Suppress the ID_AA64DFR0_EL1 PMUVer field, even if the CPU specific value claims that it exists. QEMU doesn't currently implement it, and not advertising it prevents the guest from trying to use it and getting UNDEFs on unimplemented registers. Signed-off-by: Peter Maydell --- This is arguably a