[U-Boot-Users] question about interrupt

Wolfgang Denk wd at denx.de
Tue May 20 14:31:24 CEST 2008


In message <7f245da80805200240o7dde7b3bl83875b910d69ad08 at mail.gmail.com> you wrote:
>
> So if someone enable a interrupt and handled it properly then at the
> time of interrupt handler will be called, but how then control reaches
> back to u-boot original task that was running prior to interrupt

That's just a normal return from interrupt, like you return from a
normal function call.

> delivery? I mean who is taking care of context switch at the time of
> interrupts?

There is no such thing as a context switch.

Best regards,

Wolfgang Denk

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