[coreboot-gerrit] Patch merged into coreboot/master: f7cdfe5 haswell: implement ramstage caching in SMM region
gerrit at coreboot.org
gerrit at coreboot.org
Thu Mar 21 23:00:51 CET 2013
the following patch was just integrated into master:
commit f7cdfe5b328dbddeead9ff62d19e9bed37f0295f
Author: Aaron Durbin <adurbin at chromium.org>
Date: Sat Feb 16 00:05:52 2013 -0600
haswell: implement ramstage caching in SMM region
Cache the relocated ramstage into the SMM region. There is
a reserved region within the final SMM region (TSEG). Use that
space to cache the relocated ramstage program. That way, on S3 resume
there is a copy that can be loaded quickly instead of accessing the
flash. Caching the ramstage in the SMM space is also helpful in that
it prevents the OS from tampering with the ramstage program.
Change-Id: Ifa695ad1c350d5b504b14cc29d3e83c79b317a62
Signed-off-by: Aaron Durbin <adurbin at chromium.org>
Reviewed-on: http://review.coreboot.org/2806
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich at gmail.com>
Build-Tested: build bot (Jenkins) at Tue Mar 19 07:21:23 2013, giving +1
Reviewed-By: Ronald G. Minnich <rminnich at gmail.com> at Thu Mar 21 23:00:39 2013, giving +2
See http://review.coreboot.org/2806 for details.
-gerrit
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