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From: Franck Bui-Huu <vagabon.xyz@gmail.com>
To: Thiemo Seufer <ths@networkno.de>
Cc: Ralf Baechle <ralf@linux-mips.org>,
	linux-mips <linux-mips@linux-mips.org>
Subject: Re: [PATCH] Introduce __fill_user() and kill __bzero()
Date: Sun, 11 Nov 2007 14:57:48 +0100	[thread overview]
Message-ID: <47370A5C.8060200@gmail.com> (raw)
In-Reply-To: <20071111130130.GB8363@networkno.de>

Thiemo Seufer wrote:
>>  /*
>> - * memset(void *s, int c, size_t n)
>> + * An outline version of memset, which should be used either by gcc or
>> + * by assembly code.
>> + */
>> +NESTED(memset, 24, ra)
>> +	PTR_ADDU	sp, sp, -24
>> +	LONG_S		a0, 16(sp)
>> +	LONG_S		ra, 20(sp)
>> +	jal		__fill_user
>> +	LONG_L		v0, 16(sp)
>> +	LONG_L		ra, 20(sp)
>> +	PTR_ADDU	sp, sp, 24
>> +	jr		ra
>> +END(memset)
> 
> This will break on 64bit kernels.
> 

Obviously...

Looks like I should find a good place to implement it in C... or do
you know a sane way (without too many #ifdef) to do that in assembly
code ?

thanks,
		Franck

  reply	other threads:[~2007-11-11 13:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-11  8:48 [PATCH] Introduce __fill_user() and kill __bzero() Franck Bui-Huu
2007-11-11 13:01 ` Thiemo Seufer
2007-11-11 13:57   ` Franck Bui-Huu [this message]
2007-11-14  8:24   ` Franck Bui-Huu
2007-11-14 11:58     ` Thiemo Seufer
2007-11-14 12:34       ` Franck Bui-Huu
2007-11-14 13:48         ` Thiemo Seufer
2007-11-14 15:13           ` Franck Bui-Huu

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