[FOSS_TLK]arm: monitor: pass SMC arguments using CPU regs (r0-r7)

This patch removes the need for a shared buffer between the EL3 and S-EL1
to pass SMC args/results. We use r0-r7 registers to pass data between the
64-bit EL3 binary and the 32-bit S-EL1 binary.

Change-Id: I54c45f33259a88f5285efdabea97b79720e47267
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-on: http://git-master/r/752883
Reviewed-by: Automatic_Commit_Validation_User
1 file changed