tree 823caea181a38bf3f1399d2ac69ca57a3cac8310
parent 09e153a9a84bc05b41bc40116372b10ef21308c0
author Jeremy Linton <jeremy.linton@arm.com> 1617300624 -0500
committer Manish Pandey <manish.pandey2@arm.com> 1621946936 +0200

SMCCC: Hoist SMC_32 sanitization

The SMCCC, part 3 indicates that only the bottom
32-bits of a 32-bit SMC call are valid. The upper
bits must be zero. Lets enforce that so standard
service code can assume its been called that way.

Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Change-Id: I1bac50fbdc3b6ddca5fe2d1d1f96166a65ac4eb4