inochisa commented on issue #12275:
URL: https://github.com/apache/nuttx/issues/12275#issuecomment-2094003783
> @lupyuen and @inochisa, I sent patch #12279 to disable SSTC as I am using
stock QEMU (ver 6.2 with SBI v0.9) on Ubuntu 22.04 most of the time, I believe
this is easier for people to start with.
>
I do not think it is a good idea. QEMU for risc-v is always active
developed. If we stick on old version, we will lost most of the new features.
In addition, 7.2.9 is not too new for most distribution.
> However, there is remaining issue even if SSTC is off, the "usleep 5"
command doesn't return back to nsh, this indicts that the rv-virt timer related
setup logic might be incomplete when SSTC is off?
This does worth exploring. If SSTC is off, the timer should go the old path.
I do not change any old code when adding SSTC, so it is more like another
problem
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