From: Ralf Baechle <ralf@linux-mips.org>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Matteo Croce <technoboy85@gmail.com>,
Atsushi Nemoto <anemo@mba.ocn.ne.jp>,
linux-mips@linux-mips.org, florian@openwrt.org, nbd@openwrt.org,
ejka@imfi.kspu.ru, nico@openwrt.org,
openwrt-devel@lists.openwrt.org, akpm@linux-foundation.org
Subject: Re: [PATCH][MIPS][1/7] AR7: core support
Date: Wed, 12 Sep 2007 14:55:06 +0100 [thread overview]
Message-ID: <20070912135506.GF4571@linux-mips.org> (raw)
In-Reply-To: <20070912112204.GA7197@alpha.franken.de>
On Wed, Sep 12, 2007 at 01:22:04PM +0200, Thomas Bogendoerfer wrote:
> probably nothing, but having a generic decision whether we need
> a version with j or jr will help other platforms as well. Why make
> AR7 a special case ?
The destination is potencially outside the range of the j instruction.
Which is something that reasonably be expected on other systems as
well. One scenario for example is having a few k of RAM at phys 0
then the rest starting at 256MB phys.
It's somewhat easier with an ebase register of course but older cores
don't have that.
Ralf
next prev parent reply other threads:[~2007-09-12 13:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200709080143.12345.technoboy85@gmail.com>
2007-09-08 0:18 ` [PATCH][MIPS][1/7] AR7: core support Matteo Croce
2007-09-08 17:40 ` Atsushi Nemoto
2007-09-11 22:43 ` Matteo Croce
2007-09-12 11:10 ` Ralf Baechle
2007-09-12 11:22 ` Thomas Bogendoerfer
2007-09-12 13:55 ` Ralf Baechle [this message]
2007-09-08 0:19 ` [PATCH][MIPS][2/7] AR7: mtd partition map Matteo Croce
2007-09-08 0:19 ` Matteo Croce
2007-09-08 0:20 ` [PATCH][MIPS][3/7] AR7: gpio char device Matteo Croce
2007-09-08 0:20 ` [PATCH][MIPS][4/7] AR7: leds driver Matteo Croce
2007-09-11 21:43 ` Richard Purdie
2007-09-08 0:21 ` [PATCH][MIPS][5/7] AR7: watchdog timer Matteo Croce
2007-09-08 0:22 ` [PATCH][MIPS][6/7] AR7: serial Matteo Croce
2007-09-08 0:23 ` [PATCH][MIPS][7/7] AR7: ethernet Matteo Croce
2007-09-12 16:50 ` Ralf Baechle
2007-09-13 1:42 ` Thiemo Seufer
2007-09-13 11:35 ` Ralf Baechle
2007-09-20 15:28 [PATCH][MIPS][0/7] AR7: 4th effort Matteo Croce
2007-09-20 15:43 ` [PATCH][MIPS][1/7] AR7: core support Matteo Croce
2007-09-21 1:57 ` Matteo Croce
2007-09-22 16:18 ` Atsushi Nemoto
-- strict thread matches above, loose matches on Subject: below --
2007-09-06 15:18 Matteo Croce
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