On Sep 06 20:31, Alex Bennée wrote:
> Aaron Lindsay OS writes:
>
> > One thing I would find useful is the ability to access register values
> > during an execution-time callback. I think the easiest way to do that
> > generically would be to expose them via the gdb functionality (like
> >
On Sep 06 20:52, Alex Bennée wrote:
>
> Markus Armbruster writes:
> > Please advise why TCG plugins don't undermine the GPL. Any proposal to
> > add a plugin interface needs to do that.
>
> I'm not sure what we can say about this apart from "ask your lawyer".
> I'm certainly not proposing we
On Aug 12 16:02, Peter Maydell wrote:
> On Mon, 12 Aug 2019 at 15:46, Aaron Lindsay OS via Qemu-arm
> wrote:
> >
> > Treat EM_AARCH64 as a valid value when checking the ELF's machine-type
> > header.
> >
> > Signed-off-by: Aaron Lindsay
> > ---
> > include/hw/elf_ops.h | 6 ++
> > 1 file
Treat EM_AARCH64 as a valid value when checking the ELF's machine-type
header.
Signed-off-by: Aaron Lindsay
---
include/hw/elf_ops.h | 6 ++
1 file changed, 6 insertions(+)
diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h
index 690f9238c8..f12faa90a1 100644
---
One thing I would find useful is the ability to access register values
during an execution-time callback. I think the easiest way to do that
generically would be to expose them via the gdb functionality (like
Pavel's earlier patchset did [1]), though that (currently) limits you to
the
On Jul 31 17:07, Alex Bennée wrote:
> + * Attempt to measure the amount of vectorisation that has been done
> + * on some code by counting classes of instruction. This is very much
> + * ARM specific.
I suspect some of my plugins will also be architecture-specific. Does it
make sense to have a
On Jul 31 17:06, Alex Bennée wrote:
> We need to keep a local per-cpu copy of the data as other threads may
> be running. We use a automatically growing array and re-use the space
> for subsequent queries.
[...]
> +bool tlb_plugin_lookup(CPUState *cpu, target_ulong addr, int mmu_idx,
> +
On Jul 31 17:06, Alex Bennée wrote:
> Now we do all our checking and use a common EXCP_SEMIHOST for
> semihosting operations we can make helper code a lot simpler.
>
> Signed-off-by: Alex Bennée
>
> ---
> v2
> - fix re-base conflicts
> - hoist EXCP_SEMIHOST check
> - comment cleanups
>
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
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 =
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
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
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