On Jul 01 16:00, Alex Bennée wrote:
> Aaron Lindsay OS writes:
> > - a way for a plugin to reset any instrumentation decisions made in the
> > past (essentially calls `tb_flush(cpu);` under the covers). We found
> > this critical for plugins which undergo state changes during the
> > course
Aaron Lindsay OS writes:
> On Jun 28 21:52, Alex Bennée wrote:
>> Aaron Lindsay OS writes:
>> > To make sure I understand - you're implying that one such query will
>> > return the PA from the guest's perspective, right?
>>
>> Yes - although it will be two queries:
>>
>> struct qemu_plugin_h
On Jun 28 21:52, Alex Bennée wrote:
> Aaron Lindsay OS writes:
> > To make sure I understand - you're implying that one such query will
> > return the PA from the guest's perspective, right?
>
> Yes - although it will be two queries:
>
> struct qemu_plugin_hwaddr *hw = qemu_plugin_get_hwaddr(i
Aaron Lindsay OS writes:
> On Jun 28 18:11, Alex Bennée wrote:
>> Aaron Lindsay OS writes:
>> > On Jun 14 18:11, Alex Bennée wrote:
>> >> From: "Emilio G. Cota"
>> >>
>> >> Here the trickiest feature is passing the host address to
>> >> memory callbacks that request it. Perhaps it would be mo
On Jun 28 18:11, Alex Bennée wrote:
> Aaron Lindsay OS writes:
> > On Jun 14 18:11, Alex Bennée wrote:
> >> From: "Emilio G. Cota"
> >>
> >> Here the trickiest feature is passing the host address to
> >> memory callbacks that request it. Perhaps it would be more
> >> appropriate to pass a "physic
Aaron Lindsay OS writes:
> On Jun 14 18:11, Alex Bennée wrote:
>> From: "Emilio G. Cota"
>>
>> Here the trickiest feature is passing the host address to
>> memory callbacks that request it. Perhaps it would be more
>> appropriate to pass a "physical" address to plugins, but since
>> in QEMU ho
On Jun 14 18:11, Alex Bennée wrote:
> From: "Emilio G. Cota"
>
> Here the trickiest feature is passing the host address to
> memory callbacks that request it. Perhaps it would be more
> appropriate to pass a "physical" address to plugins, but since
> in QEMU host addr ~= guest physical, I'm going
On 6/14/19 10:11 AM, Alex Bennée wrote:
> +static inline void set_hostaddr(CPUArchState *env, TCGMemOp mo, void *haddr)
> +{
> +#ifdef CONFIG_PLUGIN
> +if (mo & MO_HADDR) {
> +env_tlb(env)->c.hostaddr = haddr;
> +}
> +#endif
> +}
> +
Even if we weren't talking about recomputing thi
From: "Emilio G. Cota"
XXX: store hostaddr from non-i386 TCG backends (do it in a helper?)
XXX: what hostaddr to return for I/O accesses?
XXX: what hostaddr to return for cross-page accesses?
Here the trickiest feature is passing the host address to
memory callbacks that request it. Perhaps it w
