[coreboot] I've turned on paging as a test

Aaron Durbin adurbin at chromium.org
Tue Mar 11 00:54:08 CET 2014


On Mon, Mar 10, 2014 at 4:50 PM, ron minnich <rminnich at gmail.com> wrote:
>
>
>
> On Mon, Mar 10, 2014 at 4:37 PM, Aaron Durbin <adurbin at chromium.org> wrote:
>>
>>
>> You'll find that once you try to write coreboot tables, things will
>> page fault as well:
>>
>>  0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES
>>
>
>
> Yep. Well, so much for catching NULL pointers. We can do that on ARM, but
> not x86.
>
> It's hard to complain. When the 8086 came out, the idea that it might do
> paging was many years off.
>

I think it could be changed. I was just pointing out that after you
get past the initial NULL deref there is another one lurking.

-Aaron



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