Re: [PATCH v2 05/10] MIPS: Refactor mips_cps_core_entry implementation

[Jiaxun Yang]

在 2023/12/22 12:18, Thomas Bogendoerfer 写道:
> On Fri, Oct 27, 2023 at 11:11:01PM +0100, Jiaxun Yang wrote:
> > Now the exception vector for CPS systems are allocated on-fly
> > with memblock as well.
> >
> > It will try to allocate from KSEG1 first, and then try to allocate
> > in low 4G if possible.
> >
> > The main reset vector is now generated by uasm, to avoid tons
> > of patches to the code. Other vectors are copied to the location
> > later.
> this patch does way to many things in one go. What is needed to
> make a kernel working with an ebase anyware in XPHYS ?

As we have some silly restrictions on the placement of CPS reset_base, it's
impossible to put CPS's cluster reset base "anywhere".

You'll have to make entry code in cps-vec.S relocatable to allow it to 
be moved
by kernel at run time. Either patching the code or generate by uasm.

Thanks
- Jiaxun
> Thomas.