On 20/03/14 12:44, Paolo Bonzini wrote: > Il 20/03/2014 11:00, James Hogan ha scritto: >>> > Just a few comments. With what version of the kernel can this be >>> tested? >> KVM support was added in v3.10, including defconfigs and a >> CONFIG_KVM_GUEST to ensure the kernel is linked to the different address. > > Yes, but you still need support for CP0_COUNT/CP0_COMPARE in the onereg > interface. I haven't checked if other registers are missing. Indeed, I'm working on fixing that now. EPC is missing too (there's a comment in there about EPC which AFAICT seems to confuse the guest CP0_EPC with the guest PC which are distinct state for full system emulation). Also unfortunately the CP0 register ids provided by QEMU all (incorrectly) lack the size part too. Remarkably it generally works quite well despite this since KVM takes care of most of the runtime details. Cheers James
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