2017-08-01 2:01 GMT+02:00 Hesham Almatary <heshamelmat...@gmail.com>:
> Hi Denis, > > If you're not using interrupts (i.e. only using dummy clock), then > trap_entry at start.S shouldn't be executed after bootstrap. That's > why I suggested you use dummy clock first to figure out if the problem > is with the context switch code or not. > > I'm not getting the full context/details; did you try with dummy clock > first (interrupts disabled) and it didn't work? If so, you can set a > breakpoint at trap_entry to check it's not being executed. > I checked that trap_entry saves registers properly. And I am trying to implement interrupt-driven clock driver. With it, I can at least obtain some ticks. As for now, I am getting an error on mret instruction, I will try to figure out tomorrow, why it happens. Also, in my debugger 'display /i $pc' suddenly started to work properly. So, now I can debug a bit more efficient. -- Regards, Denis Obrezkov
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