RISC-V interrupts in HiFive1

Denis Obrezkov denisobrezkov at gmail.com
Tue Aug 15 09:32:37 UTC 2017


2017-08-15 5:44 GMT+02:00 Hesham Almatary <heshamelmatary at gmail.com>:

> Hi Denis,
>
> You just need to modify riscv_interrupt_disable(). Read the priv-spec
> manual for your RISC-V version, and determine which bit should be
> cleared (it's called MIE in priv-1.10, but you mentioned you work with
> priv-1.9).
>
> Cheers,
> Hesham
>
> On Mon, Aug 14, 2017 at 6:10 PM, Denis Obrezkov <denisobrezkov at gmail.com>
> wrote:
> > Hello all,
> >
> > at the end of the GSoC I've found out that interrupts in my BSP
> > weren't properly enabled/disabled globally.
> > This happens because my work is based on the Hesham's
> > BSP for RISC-V and it was done for the previous version of ISA.
> > Thus, the Hesham's interrupt enabling/disabling instructions did
> > nothing in my version of ISA.
> > I've tried to fix this issue, but without much of success.
> >
> > --
> > Regards, Denis Obrezkov
> >
> > _______________________________________________
> > devel mailing list
> > devel at rtems.org
> > http://lists.rtems.org/mailman/listinfo/devel
>
>
>
> --
> Hesham
>
Yes, I've already done it, but it doesn't work. It just staying disabled
after some
amount of ticks.


-- 
Regards, Denis Obrezkov
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