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Re: [Qemu-devel] [PATCH] hw/char/stm32f2xx_usart: improve TXE/TC bit han
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From: |
Richard Braun |
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Subject: |
Re: [Qemu-devel] [PATCH] hw/char/stm32f2xx_usart: improve TXE/TC bit handling |
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Date: |
Fri, 9 Feb 2018 10:35:58 +0100 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Fri, Feb 09, 2018 at 10:23:13AM +0100, Richard Braun wrote:
> On Thu, Feb 08, 2018 at 02:58:29PM +0000, Peter Maydell wrote:
> > The guest can clear the TC and TXE bits by writing to the USART_SR
> > directly, so this code should set both of them, I think ?
>
> Right, nice catch.
Although, after reading the manual again, TXE is actually read-only and
only set by hardware.
--
Richard Braun