aboutsummaryrefslogtreecommitdiff
path: root/include/lib/optee_utils.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/lib/optee_utils.h')
-rw-r--r--include/lib/optee_utils.h42
1 files changed, 41 insertions, 1 deletions
diff --git a/include/lib/optee_utils.h b/include/lib/optee_utils.h
index 6067caff42..e1e9d803a8 100644
--- a/include/lib/optee_utils.h
+++ b/include/lib/optee_utils.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2023, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -7,10 +7,50 @@
#ifndef OPTEE_UTILS_H
#define OPTEE_UTILS_H
+#include <stdbool.h>
+
#include <common/bl_common.h>
+bool optee_header_is_valid(uintptr_t header_base);
+
int parse_optee_header(entry_point_info_t *header_ep,
image_info_t *pager_image_info,
image_info_t *paged_image_info);
+/*
+ * load_addr_hi and load_addr_lo: image load address.
+ * image_id: 0 - pager, 1 - paged
+ * size: image size in bytes.
+ */
+typedef struct optee_image {
+ uint32_t load_addr_hi;
+ uint32_t load_addr_lo;
+ uint32_t image_id;
+ uint32_t size;
+} optee_image_t;
+
+#define OPTEE_PAGER_IMAGE_ID 0
+#define OPTEE_PAGED_IMAGE_ID 1
+
+#define OPTEE_MAX_NUM_IMAGES 2u
+
+#define TEE_MAGIC_NUM_OPTEE 0x4554504f
+/*
+ * magic: header magic number.
+ * version: OPTEE header version:
+ * 1 - not supported
+ * 2 - supported
+ * arch: OPTEE os architecture type: 0 - AARCH32, 1 - AARCH64.
+ * flags: unused currently.
+ * nb_images: number of images.
+ */
+typedef struct optee_header {
+ uint32_t magic;
+ uint8_t version;
+ uint8_t arch;
+ uint16_t flags;
+ uint32_t nb_images;
+ optee_image_t optee_image_list[];
+} optee_header_t;
+
#endif /* OPTEE_UTILS_H */