Hi, On Tue, Dec 13, 2016 at 09:38:21AM +0000, Vladimir Murzin wrote: > On 11/12/16 13:12, Afzal Mohammed wrote:
> > this probably would have to be made robust so as to not cause issue on > > other v7-A's upon trying to do !MMU (this won't affect normal MMU boot), > > or specifically where security extensions are not enabled. Also effect > > of hypervisor extension also need to be considered. Please let know if > > any better ways to handle this. > You might need to check ID_PFR1 for that. Had been searching ARM ARM for this kind of a thing, thanks. > > +#ifdef CONFIG_REMAP_VECTORS_TO_RAM > > + mov r3, #CONFIG_VECTORS_BASE @ read VECTORS_BASE > ldr r3,=CONFIG_VECTORS_BASE > > would be more robust. I hit this in [1] > > [1] https://www.spinics.net/lists/arm-kernel/msg546825.html Russell suggested doing it in paging_init(), then probably assembly circus can be avoided. Regards afzal
