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From: henaldohzh at sina.com<henaldohzh@s...>
Date: Fri Jul 18 05:12:22 CEST 2008
Subject: [openrisc] GPIO interrupt handling?

----- Original Message -----
From: silzon at naver.com<silzon@n...>
To:
Date: Mon Jul 7 03:13:41 CEST 2008
Subject: [openrisc] GPIO interrupt handling?

> Hello. I run or1200 RISC on Evaulation board.
> I am programming GPIO interrupt system.
> It work interrupt service routine, but,
> After interrupt service routing is finished, It doen't return back!
> my reset.S is..
> .org 0x800
> _hpint:
> l.movhi r2,hi(_isr_gpio)
> l.ori r2,r2,lo(_isr_gpio)
> l.jalr r2
> l.addi r2,r0,0
============
Or1000 has slot dely, you know. you can add l.nop before the l.addi
r2,r0,0.
============
> l.rfe
> >>>>>>>>>>>> what's wrong??
> please, help me :)
>
>