Support paging function for OPTEE.
ARM TF need transfer information about pageable image load address
and memory limit to OPTEE. OPTEE will relocate the pageable image
to where it's needed.
The legacy OP-TEE images that do not include header information
are not affected.
Change-Id: Id057efbbc894de7c36b2209b391febea4729c455
Signed-off-by: Edison Ai <edison.ai@arm.com>
diff --git a/services/spd/opteed/opteed_common.c b/services/spd/opteed/opteed_common.c
index de9e809..a0cd86c 100644
--- a/services/spd/opteed/opteed_common.c
+++ b/services/spd/opteed/opteed_common.c
@@ -19,6 +19,7 @@
******************************************************************************/
void opteed_init_optee_ep_state(struct entry_point_info *optee_entry_point,
uint32_t rw, uint64_t pc,
+ uint64_t pageable_part, uint64_t mem_limit,
optee_context_t *optee_ctx)
{
uint32_t ep_attr;
@@ -51,6 +52,8 @@
DAIF_IRQ_BIT |
DAIF_ABT_BIT);
zeromem(&optee_entry_point->args, sizeof(optee_entry_point->args));
+ optee_entry_point->args.arg0 = pageable_part;
+ optee_entry_point->args.arg1 = mem_limit;
}
/*******************************************************************************