From: Yang Shi <yang.shi@windriver.com>
To: Himanshu Chauhan <hschauhan@nulltrace.org>
Cc: "Kevin D. Kissell" <kevink@paralogos.com>,
linux-mips <linux-mips@linux-mips.org>
Subject: Re: Kernel link address assumption
Date: Tue, 01 Mar 2011 16:06:37 +0800 [thread overview]
Message-ID: <4D6CA90D.10609@windriver.com> (raw)
In-Reply-To: <4D66A1AC.2090007@nulltrace.org>
Himanshu Chauhan 写道:
> On Thursday 24 February 2011 11:46 PM, Kevin D. Kissell wrote:
>
>> On 02/24/11 10:13, Himanshu Chauhan wrote:
>>
>>> Hi,
>>>
>>> Does Linux kernel for MIPS assumes that its link address is always in
>>> Kseg0?
>>> What if I change the link address to somewhere in useg?
>>>
>
>
>> Your page fault handlers will be in for an interesting time. ;o)
>>
>> What you describe can be, and is done, for virtualized kernels running
>> on top
>> of a hypervisor, but there's a bit more involved than just changing
>> the link address.
>>
> Hi Kevin,
>
> You just caught that. Thats what I am trying to evaluate. What all I
> would need to do apart from changing the link address. I am working on a
> bare metal hypervisor for MIPS architecture.
>
You need setup suitable TLB mappings for Linux kernel in bootloader or
Hypervisor.
Yang
> Any pointers?
>
> Regards
> Himanshu
>
>
>
>
prev parent reply other threads:[~2011-03-01 8:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-24 18:13 Kernel link address assumption Himanshu Chauhan
2011-02-24 18:16 ` Kevin D. Kissell
2011-02-24 18:21 ` Himanshu Chauhan
2011-02-24 21:44 ` Kevin D. Kissell
2011-03-01 8:06 ` Yang Shi [this message]
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