Nice work, is this using the simpleboot image format? Best Regards,
Jehudi On Thu, Aug 27, 2026, 17:36 Mark Stevens via dev <[email protected]> wrote: > I think that with some help from Claude I now have nsh running over UART > in a protected build. > > Regards, > Mark > ------------------------------------------- > Mark Stevens > Blog: blog.mark-stevens.co.uk > > > > On 26 Aug 2026, at 14:57, Mark Stevens via dev <[email protected]> > wrote: > > > > I am currently attempting to get protected / kernel builds working on > the ESP32P4, specifically the Tab5. I have managed to get some way into > this but I have hit a road block. > > > > I suppose my first question should be - Is this possible. > > > > From what I can see in the documentation it should be but I cannot see > any instances of this being done (NuttX of FreeRTOS). My Google-Foo my be > letting me down… > > > > I have managed to get nsh running over USB in a flat build. My next > step was to try and get this running as a protected build. This is where > the problems started. > > > > It appears that the nsh USB protected build does start as the kernel > outputs some syslog messages. I can in certain circumstances get the > banner message shown. There is however no nsh> prompt and the device seems > to lock. > > > > It is at this point where my knowledge of RISC-V is lacking. I have had > to resort to using LLMs to try and diagnose the problem and no luck. > > > > I am using the 13.0 release branch, not sure if this has any impact. > > > > One avenue I have not investigated is to remove USB from the equation > and just try nsh over serial in a protected build. > > > > Any advice or help would be appreciated. > > > > Regards, > > Mark > > ------------------------------------------- > > Mark Stevens > > Blog: blog.mark-stevens.co.uk > > > > > >
