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

[Aaron Durbin]

On Mon, Mar 10, 2014 at 3:24 PM, ron minnich  wrote:
> Which option ROMs? newish ones or 3c509 :-)? Ah well guess I believe you. I
> guess I never needed it because in my main uses we did not use or want
> option roms -- we loaded Linux and there was no need there. Running some
> option rom in an 8086 mode was never desired ...
>
> We've gone backwards in some ways from when Linux was our bootstrap.

You'll find that once you try to write coreboot tables, things will
page fault as well:

0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES
 1. 0000000000001000-000000000009ffff: RAM
 2. 00000000000a0000-00000000000fffff: RESERVED
 3. 0000000000100000-000000001fffffff: RAM
 4. 0000000020000000-00000000200fffff: RESERVED
 5. 0000000020100000-000000007ae6dfff: RAM
 6. 000000007ae6e000-000000007affffff: CONFIGURATION TABLES
 7. 000000007b000000-000000007fffffff: RESERVED
 8. 00000000e0000000-00000000efffffff: RESERVED
 9. 00000000feb00000-00000000febfffff: RESERVED
10. 00000000fed01000-00000000fed01fff: RESERVED
11. 00000000fed03000-00000000fed03fff: RESERVED
12. 00000000fed05000-00000000fed05fff: RESERVED
13. 00000000fed08000-00000000fed08fff: RESERVED
14. 00000000fed0c000-00000000fed0ffff: RESERVED
15. 00000000fed1c000-00000000fed1cfff: RESERVED

Notice that first entry?
> ron
>
> On Mon, Mar 10, 2014 at 3:21 PM, Stefan Reinauer
>  wrote:
> > ron minnich  [140310 22:43]:
> > > Now you've just made me sad.
> > >
> > > OK, given that in the beginning times we never supplied this little
> > > tidbit, who
> > > or what needs it? It looks like another memory turd whose time has gone.
> > >
> > > ron
> >
> > It's needed by some option roms. See void dev_initialize(void) in
> > src/device/device.c
> >
> > Stefan