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Re: [Qemu-devel] [Qemu-arm] [PATCH] target-arm: Priority masking with ba
From: |
Peter Crosthwaite |
Subject: |
Re: [Qemu-devel] [Qemu-arm] [PATCH] target-arm: Priority masking with basepri on v7m |
Date: |
Wed, 18 Nov 2015 09:56:31 -0800 |
On Tue, Nov 17, 2015 at 1:52 PM, Francois Baldassari
<address@hidden> wrote:
> Thanks for the swift reply.
>
> Michael's changes look very good indeed. Thank you for pointing them out.
>
If you have tested them as working and fixing a problem for you, you
should contribute a tested-by tag to the series.
Regards,
Peter
> No need to consider this any further then.
>
> Cheers,
>
> François.
>
> On Tue, Nov 17, 2015 at 1:49 PM, Peter Maydell <address@hidden>
> wrote:
>>
>> On 17 November 2015 at 21:40, François Baldassari
>> <address@hidden> wrote:
>> > On armv7m mcus, the BASEPRI register can be set to mask interrupts
>> > above a certain priority.
>> >
>> > This changeset implements that functionality by way of the NVIC which
>> > ultimately sets the interrupt mask in the GIC.
>> >
>> > Signed-off-by: François Baldassari <address@hidden>
>>
>> There are a lot of problems with our NVIC priority handling
>> right now. You might like to take a look at the patch set that
>> Michael Davidsaver sent out earlier this month:
>> https://lists.nongnu.org/archive/html/qemu-devel/2015-11/msg01542.html
>>
>> That has some problems but I think it's probably the way we're
>> going to go to fix up the NVIC.
>>
>> thanks
>> -- PMM
>
>