[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] how to tell if a DomU (HVM) touches a specific address
On 21/06/2009 10:49, "James Harper" <james.harper@xxxxxxxxxxxxxxxx> wrote: >> Is the physical address RAM? If there is no physical page at that > address >> then accesses in that range will trap to qemu and you could pick them > up >> there. >> > > What's the best place to do that? I've had a little look and can't find > where the trap would 'come in'. cpu_physical_memory_rw() is qemu's main interface to readign and writing physical memory regions. Everything (RAM accesses, MMIO accesses, and also accesses which go to nowhere) go through that, so hooking there would be sensible. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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