On Thu, Feb 1, 2024 at 10:03 AM yfliu2008 <yfliu2...@qq.com.invalid> wrote:
> Xiang & Bowen, > > > Can you please teach if there are any requirements from RPTUN/RPMSG > drivers for the share memory? For example, the share memory should be > cache-less etc. > > It's better to use bufferable, but no cacheable memory. If you prefer cacheable memory, Please enable CONFIG_OPENAMP_CACHE, so OpenAMP could flash the shared memory(virtio vring, rpmsg buffer) for you. But if you send the pointer in rpmsg buffer, which point to other shared memory, you need flash cache by self. > > Currently I used "xd " command checked in both NuttX instances and found > inconsist dump, so I am wondering what is the assumption of RPTUN/RPMSG > drivers. > > > Regards, > yf
