[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH 02/25 v6] xen/arm: vpl011: Add SBSA UART emulation in Xen

Hi Bhupinder,

On 17/07/17 14:06, Bhupinder Thakur wrote:
Add emulation code to emulate read/write access to pl011 registers
and pl011 interrupts:

    - Emulate DR read/write by reading and writing from/to the IN
      and OUT ring buffers and raising an event to the backend when
      there is data in the OUT ring buffer and injecting an interrupt
      to the guest when there is data in the IN ring buffer

    - Other registers are related to interrupt management and
      essentially control when interrupts are delivered to the guest

This patch implements the SBSA Generic UART which is a subset of ARM

The SBSA Generic UART is covered in Appendix B of

Signed-off-by: Bhupinder Thakur <bhupinder.thakur@xxxxxxxxxx>

Acked-by: Julien Grall <julien.grall@xxxxxxx>


Julien Grall

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.