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From: Andreas Schwab <schwab@linux-m68k.org>
To: Evan Lavelle <sa212+lppc@cyconix.com>
Subject: Re: halt/reset on assert?
References: <4D966C5C.9030409__15236.8285613649$1301704900$gmane$org@cyconix.com>
Date: Sat, 02 Apr 2011 08:53:13 +0200
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")
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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_ON(!(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."