CONFIG_XIP_ROM vs. CONFIG_XIP_KERNEL

[Tim Bird]

I'm looking at some sources for kernel Execute-in-place (XIP).

I see references to CONFIG_XIP_ROM and CONFIG_XIP_KERNEL,
in different architecture branches of the same kernel
source tree.

Is this difference merely the result of inconsistent
usage, or is there a functional difference between
these two options?

I can imagine that CONFIG_XIP_ROM is intended only to
handle XIP in ROM, and that CONFIG_XIP_KERNEL possibly
handles additional cases like XIP in flash.  However,
before jumping to that conclusion I thought I would
ask if there is some intention behind the different
config names.

Thanks,

=============================
Tim Bird
Architecture Group Co-Chair
CE Linux Forum
Senior Staff Engineer
Sony Electronics
E-mail: Tim.Bird (at) am.sony.com
=============================


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