[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
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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is, of course, living in a state of sin." - John Von Neumann
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