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Re: [Qemu-devel] [PATCH] hw/char/cmsdk-apb-timer: Correctly identify and


From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH] hw/char/cmsdk-apb-timer: Correctly identify and set one-shot mode
Date: Tue, 3 Jul 2018 21:08:13 +0100

On 3 July 2018 at 19:49, Guenter Roeck <address@hidden> wrote:
> Oddly enough, I now seem to be unable to reproduce the problem either.
> Weird, when I wrote the patch it was absolutely necessary.
>
> The only other change I can think of would be the code to set the
> serial baud rate in the boot loader, which I did not have initially.
> Is it possible that the hangup could have been caused by that ?

Seems unlikely -- unless you're actually connecting the emulated
serial port to a real host serial port, we don't do anything with
the baudrate in the cmsdk uart model except complain if the
guest hasn't set it to something valid.

> Is it worth tracking it down, or are we ok ?

It does worry me a little, but if neither you nor I can repro
it at the moment there's not a lot we can do about it I think.
Looking at the ptimer and cmsdk timer code I think it *should*
now implement what the hardware does...

If you see the problem again in future let me know and we
can have another go at figuring out what's going on.

> The series WFM as well. I'll send out a Tested-by: in a minute.

Thanks for the testing.

-- PMM



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