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-rw-r--r--include/common/desc_image_load.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/include/common/desc_image_load.h b/include/common/desc_image_load.h
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+++ b/include/common/desc_image_load.h
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+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef DESC_IMAGE_LOAD_H
+#define DESC_IMAGE_LOAD_H
+
+#include <common/bl_common.h>
+
+/* Following structure is used to store BL ep/image info. */
+typedef struct bl_mem_params_node {
+ unsigned int image_id;
+ image_info_t image_info;
+ entry_point_info_t ep_info;
+ unsigned int next_handoff_image_id;
+ bl_load_info_node_t load_node_mem;
+ bl_params_node_t params_node_mem;
+} bl_mem_params_node_t;
+
+extern bl_mem_params_node_t *bl_mem_params_desc_ptr;
+extern unsigned int bl_mem_params_desc_num;
+
+/*
+ * Macro to register list of BL image descriptors,
+ * defined as an array of bl_mem_params_node_t.
+ */
+#define REGISTER_BL_IMAGE_DESCS(_img_desc) \
+ bl_mem_params_node_t *bl_mem_params_desc_ptr = &_img_desc[0]; \
+ unsigned int bl_mem_params_desc_num = ARRAY_SIZE(_img_desc);
+
+/* BL image loading utility functions */
+void flush_bl_params_desc(void);
+void flush_bl_params_desc_args(bl_mem_params_node_t *mem_params_desc_ptr,
+ unsigned int mem_params_desc_num,
+ bl_params_t *next_bl_params_ptr);
+int get_bl_params_node_index(unsigned int image_id);
+bl_mem_params_node_t *get_bl_mem_params_node(unsigned int image_id);
+bl_load_info_t *get_bl_load_info_from_mem_params_desc(void);
+bl_params_t *get_next_bl_params_from_mem_params_desc(void);
+void populate_next_bl_params_config(bl_params_t *bl2_to_next_bl_params);
+
+/* Helper to extract BL32/BL33 entry point info from arg0 passed to BL31. */
+void bl31_params_parse_helper(u_register_t param,
+ entry_point_info_t *bl32_ep_info_out,
+ entry_point_info_t *bl33_ep_info_out);
+
+#endif /* DESC_IMAGE_LOAD_H */