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From: Andreas Schwab <schwab@linux-m68k.org>
To: Evan Lavelle <sa212+lppc@cyconix.com>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: halt/reset on assert?
Date: Sat, 02 Apr 2011 08:51:37 +0200	[thread overview]
Message-ID: <m2wrjduow6.fsf@igel.home> (raw)
In-Reply-To: <4D966C5C.9030409__15236.8285613649$1301704900$gmane$org@cyconix.com> (Evan Lavelle's message of "Sat, 02 Apr 2011 01:22:52 +0100")

Evan Lavelle <sa212+lppc@cyconix.com> writes:

> I'd like to use an assert macro in a device driver for an MPC870 using
> ppcboot; something like:
>
> #define MY_ASSERT(expr)                                         \
>    do {                                                         \
>       if(!(expr)) {                                             \
>          printk(                                                \
>             KERN_EMERG                                          \
>             "assertion failure: %s, line %d\n",                 \
>             __FILE__, __LINE__);                                \
>          asm(--ppc halt/reset?)                                 \
>       }                                                         \
>    } while(0)
>
> However, I've got no idea how to halt or reset the processor here. Anyone
> happen to know?

#define MY_ASSERT(expr) BUG(!(expr))

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

       reply	other threads:[~2011-04-02  6:51 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4D966C5C.9030409__15236.8285613649$1301704900$gmane$org@cyconix.com>
2011-04-02  6:51 ` Andreas Schwab [this message]
2011-04-02  6:53 ` halt/reset on assert? Andreas Schwab
2011-04-06 13:01   ` Evan Lavelle
2011-04-07  7:55     ` Benjamin Herrenschmidt
2011-04-07 17:04       ` kevin diggs
2011-04-07 21:48         ` Benjamin Herrenschmidt
2011-04-02  0:22 Evan Lavelle

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