Hi Mikey,
On Tue, 13 Aug 2013 12:20:22 +1000 Michael Neuling wrote:
>
> @@ -101,14 +102,14 @@
> * kernel, we need to use LR to get to the 2nd level handler. So,
> save/restore
^^
CTR
> * it when required.
> */
> -#define SAVE_LR(reg, area) mflrreg ; s
When we have MMU on exceptions (POWER8) and a relocatable kernel, we
need to branch from the initial exception vectors at 0x0 to up high
where the kernel might be located. Currently we do this using the link
register.
Unfortunately this corrupts the link stack and instead we should use the
count
