All of lore.kernel.org
 help / color / mirror / Atom feed
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=47370A5C.8060200@gmail.com \
    --to=vagabon.xyz@gmail.com \
    --cc=linux-mips@linux-mips.org \
    --cc=ralf@linux-mips.org \
    --cc=ths@networkno.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.