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Re: Enabling Interrupts
- To: <ecos-discuss at sources dot redhat dot com>
- Subject: Re: [ECOS] Enabling Interrupts
- From: "Linus Nielsen Feltzing" <linus at haxx dot se>
- Date: Thu, 26 Apr 2001 12:26:34 +0200
- References: <20010426115726.A28988@frequentis.com>
It looks like a problem with your interrupts.
How are your vectors set up? Where are they located (interrupt prefix)?
It is probably the Decrementer interrupt that has triggered.
/Linus
----- Original Message -----
From: "Christoph Csebits" <Christoph.Csebits@frequentis.com>
To: <ecos-discuss@sources.redhat.com>
Sent: Thursday, April 26, 2001 11:57 AM
Subject: [ECOS] Enabling Interrupts
> Hi,
>
> i am working on an eCos port for a PowerPC MPC860T
> based board. On the board is a simple "load and go"
> bootstrapper doing simple board initialization.
>
> Serial ports under eCos are not yet working, but
> i have blinking leds (based on simple hello.c).
>
> Then i started to try this with two threads.
> My problem is, that enabling the interrupts
> (in Cyg_Interrupt::enable_interrupts(); -> MSR[EE]=1)
> never returns.
>
> Any idea, where to start?
>
> best regards
> Christoph
>