Re: Kernel link address assumption

[Yang Shi <yang.shi@windriver.com>]

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
>
>
>
>