Re: [Xen-devel] [RFC v2] ARM VM System Specification

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

Il 10/06/2014 16:42, Peter Maydell ha scritto:
>  The guest OS must include support for pl031 and mc146818 RTC.
>
> (QEMU is going to provide a PL031, because that's the standard
> ARM primecell device for this and it's what's in the vexpress.
> kvmtool looks like it's going to provide mc146818, because
> that's the standard x86 RTC and kvmtool happens to already
> emulate that.)
Why can't kvmtool add pl031 support?  mc146818 is quite complicated to 
emulate efficiently (without waking up once a second or more).
Paolo


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