coreboot-kgpe-d16/payloads
Julius Werner 41ddd4fcc1 libpayload: arm64: Fix MMU range overlap check
The ARM64 MMU code maintains a list of used ranges, to avoid mapping the
DMA buffer over the coreboot tables and things like that. Unfortunately,
the overlap with ranges in that list is checked with

 (start1 >= start2 && start1 <= end2) || (end1 >= start2 && end1 <= end2)

which is not a full overlap check and misses the case where the second
region is completely contained within the first. This patch replaces
that code with a properly vetted primitive from Stack Overflow.

BRANCH=none
BUG=chrome-os-partner:54416
TEST=Observe how Kevin recovery screen now gets drawn at 10x the speed.

Change-Id: I7e2706426762794e160d743bbfc40da1e26eee12
Signed-off-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/16075
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
2016-08-08 17:35:31 +02:00
..
bayou bayou: delete pbuilder utility 2016-07-30 19:34:36 +02:00
coreinfo payloads/coreinfo: Set KCONFIG_CONFIG value 2016-08-03 18:12:06 +02:00
external Use VBOOT_SOURCE instead of hardcoding vboot path 2016-08-08 12:17:00 +02:00
libpayload libpayload: arm64: Fix MMU range overlap check 2016-08-08 17:35:31 +02:00
nvramcui nvramcui: Update Makefile 2016-06-29 19:12:57 +02:00
Kconfig tint: Fix tint and add Kconfig option 2016-06-28 18:29:48 +02:00
Makefile.inc tint: Fix tint and add Kconfig option 2016-06-28 18:29:48 +02:00