From: Ani Joshi <ajoshi@shell.unixbox.com>
To: David Edelsohn <dje@watson.ibm.com>
Cc: "Kevin B. Hendricks" <khendricks@ivey.uwo.ca>,
Ryuichi Oikawa <roikawa@rr.iij4u.or.jp>,
linuxppc-dev@lists.linuxppc.org
Subject: Re: Some issues to resolve with XFree 4.0 yet
Date: Mon, 27 Mar 2000 11:25:18 -0800 (PST) [thread overview]
Message-ID: <Pine.LNX.4.10.10003271120040.10719-100000@shell.unixbox.com> (raw)
In-Reply-To: <200003271913.OAA28080@mal-ach.watson.ibm.com>
Can anybody explain how method a) is different/better then method b) ?
I *lot* of drivers are using method b) so is that to say all the
developers who are using it are wrong and should change?
a) asm volatile ("stwbrx %1,%2,%3; eieio"
: "=m" (*(volatile unsigned *)(base_addr+regindex))
: "r" (regdata), "b" (regindex), "r" (base_addr));
b) asm volatile ("stwbrx %0,%1,%2; eieio" : : "r"(regdata), "b"
(regindex), "r"(base_addr) : "memory");
a) asm volatile ("lwbrx %0,%1,%2; eieio"
: "=r"(val)
: "b"(regindex), "r"(base_addr),
"m" (*(volatile unsigned *)(base_addr+regindex)));
b) asm volatile ("lwbrx %0,%1,%2; eieio" : "=r"(val) : "b"(regindex),
"r"(base_addr));
ani
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-03-27 19:25 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.10.10003230911180.6826-100000@shell.unixbox.com>
2000-03-23 18:16 ` Some issues to resolve with XFree 4.0 yet Kevin Hendricks
2000-03-25 3:54 ` Found bug in mode switching but who is at fault...XFree86 or aty128fb.c? Kevin Hendricks
2000-03-25 7:57 ` Michel Dänzer
2000-03-25 8:07 ` Michel Dänzer
2000-03-25 13:46 ` Geert Uytterhoeven
2000-03-25 23:50 ` Some issues to resolve with XFree 4.0 yet Kevin Hendricks
2000-03-27 11:09 ` Kostas Gewrgiou
2000-03-27 17:41 ` Ryuichi Oikawa
2000-03-27 18:05 ` Ani Joshi
2000-03-27 19:06 ` Kevin B. Hendricks
2000-03-27 19:13 ` David Edelsohn
2000-03-27 19:20 ` Kevin B. Hendricks
2000-03-27 19:25 ` Ani Joshi [this message]
2000-03-27 19:45 ` David Edelsohn
2000-03-27 19:38 ` Ani Joshi
2000-03-27 20:01 ` David Edelsohn
2000-03-27 19:48 ` Kevin B. Hendricks
2000-03-28 7:59 ` Geert Uytterhoeven
2000-03-29 10:45 ` Gabriel Paubert
2000-03-29 13:11 ` Franz Sirl
2000-03-29 14:58 ` Gabriel Paubert
2000-03-29 19:39 ` Franz Sirl
2000-03-28 16:51 ` Ryuichi Oikawa
2000-03-28 17:51 ` Geert Uytterhoeven
[not found] <Pine.LNX.4.05.10003240806290.5355-100000@callisto.of.borg>
2000-03-24 8:58 ` Michael Schmitz
2000-03-15 14:09 patch to get latest XFree 4.0 snapshot (xf3918) to workonppcwithr128 Kostas Gewrgiou
2000-03-23 4:46 ` Some issues to resolve with XFree 4.0 yet Kevin Hendricks
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