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Re: Build 64bit on RaQ2

To: Jim Gifford <maillist@jg555.com>
Subject: Re: Build 64bit on RaQ2
From: Peter Horton <pdh@colonel-panic.org>
Date: Sat, 26 Mar 2005 09:12:18 +0000
Cc: Linux MIPS List <linux-mips@linux-mips.org>
In-reply-to: <42449F47.8010002@jg555.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <42449F47.8010002@jg555.com>
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On Fri, Mar 25, 2005 at 03:31:19PM -0800, Jim Gifford wrote:
>   Has anyone had any luck compiling a 64 bit version on the RaQ2. I can 
> get it to compile but, it locks up during boot up.
> 
> elf64: 00080000 - 0042fd3f (ffffffff,803e6000) (ffffffff,8000000)
> elf64: ffffffff,80080000 (8008000) 3731589t + 134331t
> 
> That's all I got during bootup, no error messages or anything.
> 

As a starting point you need to ensure the "cpu_has_llsc" is false for
64-bit Cobalt kernels. LLD/SCD is broken on RM5230/5231. There is an
experimental patch for 2.6.9 on
http://www.colonel-panic.org/cobalt-mips.

P.

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