[coreboot-gerrit] Change in coreboot[master]: lib/fmap: Add optional pre-RAM cache

[Patrick Georgi (Code Review)]

Patrick Georgi has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/36657 )

Change subject: lib/fmap: Add optional pre-RAM cache
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Patch Set 9:

(1 comment)

https://review.coreboot.org/c/coreboot/+/36657/9/src/lib/fmap.c 
File src/lib/fmap.c:

https://review.coreboot.org/c/coreboot/+/36657/9/src/lib/fmap.c@119 
PS9, Line 119: 	if (!region_device_sz(&cache->rdev))
Suppose car_get_var_ptr returns 0 (e.g. when hitting just the wrong time in CAR migration), this looks for != 0 at address 4-8 (depending on pointer size)? There seem to be issues with FSP 1.0 related to this change.