Hello Kyösti Mälkki, Aaron Durbin, build bot (Jenkins), Patrick Georgi, Martin Roth,
I'd like you to reexamine a change. Please visit
https://review.coreboot.org/c/coreboot/+/35993
to look at the new patch set (#14).
Change subject: cpu/x86: Add a prog_run hook to set up caching of XIP stages ......................................................................
cpu/x86: Add a prog_run hook to set up caching of XIP stages
Some platforms lack a non-eviction mode and therefore caching the whole ROM to speed up XIP stages can be dangerous as it could result in eviction if too much of the ROM is being accessed. The solution is to only cache a region, about the size of the stage that the bootblock is about to load: verstage and/or romstage.
TODO: now a limit of 256KiB is set for the total amount of cache that can be used. This should fit most use cases for the time being.
Change-Id: I94d5771a57ffd74d53db3e35fe169d77d7fbb8cd Signed-off-by: Arthur Heymans arthur@aheymans.xyz --- M src/cpu/x86/Kconfig M src/cpu/x86/mtrr/Makefile.inc A src/cpu/x86/mtrr/xip_cache.c 3 files changed, 133 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/93/35993/14