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Re: qemu: fatal: lockup...

From: abhijeet inamdar
Subject: Re: qemu: fatal: lockup...
Date: Tue, 14 Dec 2021 14:32:13 +0100


Can I know how these "values" are written https://github.com/qemu/qemu/blob/stable-6.0/hw/char/pl011.c#L33-#L39. I tried to check and read from the reference manual but I did not get it?
Please let me know.


On Fri, Dec 10, 2021 at 5:14 PM Peter Maydell <peter.maydell@linaro.org> wrote:
On Fri, 10 Dec 2021 at 15:44, abhijeet inamdar
<abhijeetinamdar3005@gmail.com> wrote:
> Hi,
> In the Qemu monitor:
> (qemu) info qom-tree
> /machine (vcpu-machine)
>   /peripheral (container)
>   /peripheral-anon (container)
>   /unattached (container)
>     /sysbus (System)

> What does this "Unattached" mean here?

"/unattached" is where all QOM objects which don't have an
explicit parent get put. More modern QEMU code generally
creates QOM objects and explicitly parents them; older code
does not. Machine model code often doesn't parent the devices
it creates, for instance.

The shape of the QOM tree doesn't generally make any
difference in practice to how things run.

-- PMM

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