Hi Marc, On 02/11/2020 19:16, Marc Zyngier wrote: > Since the very beginning of KVM/arm64, we represented the system > register file using a dual view: on one side the AArch64 state, on the > other a bizarre mapping of the AArch64 state onto the Aarch64 > registers. Now that would be bizarre! mapping of the AArch32 state onto the Aarch64 registers? > It was nice at the time as it allowed us to share some code with the > 32bit port, and to come up with some creative bugs. But is was always > a hack, and we are now in a position to simplify the whole thing. > > This series goes through the whole of the AArch32 cp14/15 register > file, and point each of them directly at their 64bit equivalent. For > the few cases where two 32bit registers share a 64bit counterpart, we > define which half of the register they map. Thanks, James
