linux-kernel - Re: 回复： Re: 回复： Re: 回复： Re: 回复： Re: 回复： Status of 'unicore32' architecture in Linux kernel

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Date:	Mon, 08 Sep 2014 06:35:58 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Xuetao Guan <gxt@....edu.cn>
CC:	linux-kernel@...r.kernel.org, Guan Xuetao <gxt@...c.pku.edu.cn>,
	Chen Gang <gang.chen.5i5j@...il.com>,
	Grant Likely <grant.likely@...aro.org>
Subject: Re: 回复： Re: 回复： Re: 回复： Re: 回复： Re: 回复： Status of 'unicore32' architecture in Linux kernel

On 09/08/2014 05:57 AM, Xuetao Guan  wrote:
>
> ----- Guenter Roeck <linux@...ck-us.net> 写道：
>> On 09/04/2014 11:13 PM, Xuetao Guan  wrote:
>> Hi,
>>
>> I made everything I have available at http://server.roeck-us.net/qemu/unicore32/.
>> I tried multiple variants for creating the root file system, including the one
>> on https://github.com/gxt/UniCore32.git and the one using mkrootfs.sh in
>> the link above. No difference - I always see the same crash. Note that the
>> 'init' program is loading, but crashes with above error (0x0000000b is SIGSEGV
>> unless I am missing something).
>>
>> Note that I used the latest qemu for unicore from upstream sources; I was unable
>> to compile it from git@...hub.com:gxt/QEMU.git. Qemu configuration did not seem
>> to make a difference. The toolchain was extracted from uc4-1.0.5-hard.tgz.
>>
>> Hope this helps,
>> Guenter
>>
> I guess you used the newest kernel to run busybox.
> However, as for unicore32, the newest kernel uses different ABI with uc4-1.0.5 toolchain.
> I'm sorry to make it so confusing.
> I'll update and submit another-ABI patches asap.
>

Whatever is more recent. Guess you'll have to either update the toolchain
or the kernel. If the plan is to update the kernel, can you send me a patch
to do that so I can test it ?

Thanks,
Guenter

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