On 17/3/08 11:16, "Cui, Dexuan" <dexuan.cui@xxxxxxxxx> wrote:
>> I think you misunderstand. The shadow emulator *never* emulates I/O
>> port accesses or exception deliveries. Those callback functions are
>> simply not implemented and are left as NULL.
> Those callback functions -- what are they? -- do you mean the following?
> static struct x86_emulate_ops hvm_emulate_ops = {
> ....
> .read_io = hvmemul_read_io,
> .write_io = hvmemul_write_io,
> ...
> };
Yes indeed. Also, crucially, .inject_hw_exception. Without that
x86_emulate() is unable to inject any exception into the guest, and will
instead return X86EMUL_UNHANDLEABLE.
 -- Keir
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