|
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~
[Prev in Thread] | Current Thread | [Next in Thread] |