Re: [Qemu-devel] [PATCH 6/7] target-arm: Implement NSACR trapping behaviour

2016-02-06 Thread Edgar E. Iglesias
On Wed, Feb 03, 2016 at 01:38:40PM +, Peter Maydell wrote: > Implement some corner cases of the behaviour of the NSACR > register on ARMv8: > * if EL3 is AArch64 then accessing the NSACR from Secure EL1 >with AArch32 should trap to EL3 > * if EL3 is not present or is AArch64 then reads fr

[Qemu-devel] [PATCH 6/7] target-arm: Implement NSACR trapping behaviour

2016-02-03 Thread Peter Maydell
Implement some corner cases of the behaviour of the NSACR register on ARMv8: * if EL3 is AArch64 then accessing the NSACR from Secure EL1 with AArch32 should trap to EL3 * if EL3 is not present or is AArch64 then reads from NS EL1 and NS EL2 return constant 0xc00 It would in theory be poss