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Re: [Qemu-devel] [PATCH 05/19] nvic: Implement AIRCR changes for v8M


From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH 05/19] nvic: Implement AIRCR changes for v8M
Date: Wed, 13 Sep 2017 16:35:55 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0

On 09/12/2017 11:13 AM, Peter Maydell wrote:
> The Application Interrupt and Reset Control Register has some changes
> for v8M:
>  * new bits SYSRESETREQS, BFHFNMINS and PRIS: these all have
>    real state if the security extension is implemented and otherwise
>    are constant
>  * the PRIGROUP field is banked between security states
>  * non-secure code can be blocked from using the SYSRESET bit
>    to reset the system if SYSRESETREQS is set
> 
> Implement the new state and the changes to register read and write.
> For the moment we ignore the effects of the secure PRIGROUP.
> We will implement the effects of PRIS and BFHFNMIS later.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---

Reviewed-by: Richard Henderson <address@hidden>


r~




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