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  2. OS-A platform stoptime requirement

Re: OS-A platform stoptime requirement

Paul Donahue
 

I agree that the stoptime=1 requirement should be removed.  I can think of a case where stoptime might be useful but it would be a contrived example that's not useful in the real world.

I should have proposed removing this from the platform spec when I made this comment about discouraging stoptime=1:
https://github.com/riscv/riscv-debug-spec/issues/638#issuecomment-859939736


Thanks,

-Paul


On Tue, Dec 21, 2021 at 9:59 AM Greg Favor <gfavor@...> wrote:
On Tue, Dec 21, 2021 at 9:18 AM Vedvyas Shanbhogue <ved@...> wrote:
So there is real value to stopping time for debug and expectation is
that there will be a "synchronization"/"catch back up" action on MRET
from debug mode?

Btw, that would be a DRET to exit Debug mode (not an MRET).

Greg
 
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