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Re: jump instruction in delay slot

To: Thomas Koeller <thomas.koeller@baslerweb.com>
Subject: Re: jump instruction in delay slot
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 19 Oct 2004 19:06:17 +0200
Cc: Linux/MIPS Development <linux-mips@linux-mips.org>, Manish Lachwani <mlachwani@mvista.com>
In-reply-to: <200410191605.47543.thomas.koeller@baslerweb.com>
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References: <200410191605.47543.thomas.koeller@baslerweb.com>
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On Tue, Oct 19, 2004 at 04:05:47PM +0200, Thomas Koeller wrote:

>               jal     do_IRQ
>               j       ret_from_irq

Beyond what Thiemo has said correctly ...  in the cases where I've tried
to debug code where a jmp or branch instruction was being executed in the
delay slot of another jump or branch instruction the CPU does *really*
unexpected things.

  Ralf

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