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;
}
/*******************************************************************************
diff --git a/services/spd/opteed/opteed_main.c b/services/spd/opteed/opteed_main.c
index e2a2035..b3031e4 100644
--- a/services/spd/opteed/opteed_main.c
+++ b/services/spd/opteed/opteed_main.c
@@ -42,8 +42,6 @@
optee_context_t opteed_sp_context[OPTEED_CORE_COUNT];
uint32_t opteed_rw;
-
-
static int32_t opteed_init(void);
/*******************************************************************************
@@ -96,6 +94,8 @@
{
entry_point_info_t *optee_ep_info;
uint32_t linear_id;
+ uint64_t opteed_pageable_part;
+ uint64_t opteed_mem_limit;
linear_id = plat_my_core_pos();
@@ -122,13 +122,17 @@
/*
* We could inspect the SP image and determine it's execution
- * state i.e whether AArch32 or AArch64. Assuming it's AArch32
- * for the time being.
+ * state i.e whether AArch32 or AArch64.
*/
- opteed_rw = OPTEE_AARCH64;
+ opteed_rw = optee_ep_info->args.arg0;
+ opteed_pageable_part = optee_ep_info->args.arg1;
+ opteed_mem_limit = optee_ep_info->args.arg2;
+
opteed_init_optee_ep_state(optee_ep_info,
opteed_rw,
optee_ep_info->pc,
+ opteed_pageable_part,
+ opteed_mem_limit,
&opteed_sp_context[linear_id]);
/*
diff --git a/services/spd/opteed/opteed_pm.c b/services/spd/opteed/opteed_pm.c
index 26c7b2e..5a1dd4f 100644
--- a/services/spd/opteed/opteed_pm.c
+++ b/services/spd/opteed/opteed_pm.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2013-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -99,7 +99,7 @@
opteed_init_optee_ep_state(&optee_on_entrypoint, opteed_rw,
(uint64_t)&optee_vectors->cpu_on_entry,
- optee_ctx);
+ 0, 0, optee_ctx);
/* Initialise this cpu's secure context */
cm_init_my_context(&optee_on_entrypoint);
@@ -216,4 +216,3 @@
.svc_system_off = opteed_system_off,
.svc_system_reset = opteed_system_reset,
};
-
diff --git a/services/spd/opteed/opteed_private.h b/services/spd/opteed/opteed_private.h
index 70cc925..11c1a1f 100644
--- a/services/spd/opteed/opteed_private.h
+++ b/services/spd/opteed/opteed_private.h
@@ -147,6 +147,8 @@
void opteed_init_optee_ep_state(struct entry_point_info *optee_ep,
uint32_t rw,
uint64_t pc,
+ uint64_t pageable_part,
+ uint64_t mem_limit,
optee_context_t *optee_ctx);
extern optee_context_t opteed_sp_context[OPTEED_CORE_COUNT];
