[RFC v2] ARM VM System Specification

Paolo Bonzini pbonzini at redhat.com
Tue Jun 10 10:00:28 PDT 2014


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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