On Wed, May 29, 2024 at 9:50 AM Gregory Nutt wrote:
> On 5/29/2024 6:10 AM, Nathan Hartman wrote:
> > That's a security hole in the *hardware*, not in software, right? How can
> > that be fixed (unless a new chip is made)?
>
> No, software.
>
> Disclaimer: I don't do RISC-V but I do understand A
I'll provide a bit of background on our configuration, as I've
understandably caused some confusion.
We configure NuttX with CONFIG_BUILD_KERNEL, so we have a kernel with
device drivers, and a set of userspace applications. The MMU for Litex is
configured so kernel pages are only accessible while
Hello,
Yes, the inability to write individual bits in already programmed
sectors is a HUGE constraint. We have flash like this in some high
security embedded products, and it required a full redesign of our flash
interface.
Wear leveling is doable, but the particular bit that made us think