Change in ...coreboot[master]: cpu/x86/pae/pgtbl: Add memset with PAE

[Patrick Rudolph (Code Review)]

Hello Kyösti Mälkki, Aaron Durbin, Roy Wen, David Hendricks, Philipp Deppenwiese, build bot (Jenkins), Jens Drenhaus,

I'd like you to reexamine a change. Please visit

https://review.coreboot.org/c/coreboot/+/31549

to look at the new patch set (#7).

Change subject: cpu/x86/pae/pgtbl: Add memset with PAE
......................................................................

cpu/x86/pae/pgtbl: Add memset with PAE

To clear all DRAM on x86_32, add a new method that uses PAE to access
more than 32bit of address space.

Add Documentation.
Tested on wedge100s.
Takes less than 2 seconds to clear 8GiB of DRAM.

Change-Id: I00f7ecf87b5c9227a9d58a0b61eecc38007e1a57
Signed-off-by: Patrick Rudolph 
---
M Documentation/arch/x86/index.md
A Documentation/arch/x86/pae.md
M Documentation/security/memory_clearing.md
M src/cpu/x86/pae/pgtbl.c
M src/include/cpu/x86/pae.h
5 files changed, 148 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/49/31549/7