Programming the boundary between Inner and Outer caches on ARM architecture

Bhaskara rao Budiredla bhaskarbudiredla at gmail.com
Thu Apr 23 18:42:10 PDT 2015


Thanks Russell for the direction. Then the bug is somewhere within the
assembly source file head.s and must be specific to my local code
base. Got it!!

Thanks,
Bhaskara

On Thu, Apr 23, 2015 at 3:23 PM, Russell King - ARM Linux
<linux at arm.linux.org.uk> wrote:
> On Thu, Apr 23, 2015 at 12:12:34AM +0530, Bhaskara rao Budiredla wrote:
>> I am not sure why those are different. During Linux kernel
>> booting, I wrote a function to read the contents of NMRR in
>> build_mem_type_table( ) function. May be I need to sync up with boot
>> loader folks to check why those are set up with different cacheable
>> attributes. This difference was the reason to start this thread.
>
> NMRR is set by the Linux kernel.  Anything that the boot loader does is
> overwritten during the very early kernel boot.
>
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