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Re: [PATCH v6 04/15] emul/ns16x50: implement DLL/DLM registers

To: dmukhin@xxxxxxx
From: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Date: Fri, 5 Sep 2025 19:03:34 -0700 (PDT)
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, andrew.cooper3@xxxxxxxxxx, anthony.perard@xxxxxxxxxx, jbeulich@xxxxxxxx, julien@xxxxxxx, michal.orzel@xxxxxxx, roger.pau@xxxxxxxxxx, sstabellini@xxxxxxxxxx, dmukhin@xxxxxxxx
Delivery-date: Sat, 06 Sep 2025 02:03:39 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Fri, 5 Sep 2025, dmukhin@xxxxxxx wrote:
> From: Denis Mukhin <dmukhin@xxxxxxxx> 
> 
> Add DLL/DLM registers emulation.
> 
> DLL/DLM registers report hardcoded 115200 baud rate to the guest OS.
> 
> Add stub for ns16x50_dlab_get() helper.
> 
> Signed-off-by: Denis Mukhin <dmukhin@xxxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>

References:
- [PATCH v6 00/15] x86: introduce NS16550-compatible UART emulator
  - From: dmukhin
- [PATCH v6 04/15] emul/ns16x50: implement DLL/DLM registers
  - From: dmukhin

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