1 /*
2  * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  */
6 
7 #include <common/bl_common.h>
8 #include <common/desc_image_load.h>
9 #include <platform_def.h>
10 #include <plat/common/platform.h>
11 
12 
13 /*******************************************************************************
14  * Following descriptor provides BL image/ep information that gets used
15  * by BL2 to load the images and also subset of this information is
16  * passed to next BL image. The image loading sequence is managed by
17  * populating the images in required loading order. The image execution
18  * sequence is managed by populating the `next_handoff_image_id` with
19  * the next executable image id.
20  ******************************************************************************/
21 static bl_mem_params_node_t bl2_mem_params_descs[] = {
22 #ifdef SCP_BL2_BASE
23 	/* Fill SCP_BL2 related information if it exists */
24 	{
25 	    .image_id = SCP_BL2_IMAGE_ID,
26 
27 	    SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY,
28 		    VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE),
29 
30 	    SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
31 		    VERSION_2, image_info_t, 0),
32 	    .image_info.image_base = SCP_BL2_BASE,
33 	    .image_info.image_max_size = SCP_BL2_SIZE,
34 
35 	    .next_handoff_image_id = INVALID_IMAGE_ID,
36 	},
37 #endif /* SCP_BL2_BASE */
38 
39 #ifdef EL3_PAYLOAD_BASE
40 	/* Fill EL3 payload related information (BL31 is EL3 payload)*/
41 	{
42 	    .image_id = BL31_IMAGE_ID,
43 
44 	    SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
45 		    VERSION_2, entry_point_info_t,
46 		    SECURE | EXECUTABLE | EP_FIRST_EXE),
47 	    .ep_info.pc = EL3_PAYLOAD_BASE,
48 	    .ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
49 		    DISABLE_ALL_EXCEPTIONS),
50 
51 	    SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
52 		    VERSION_2, image_info_t,
53 		    IMAGE_ATTRIB_PLAT_SETUP | IMAGE_ATTRIB_SKIP_LOADING),
54 
55 	    .next_handoff_image_id = INVALID_IMAGE_ID,
56 	},
57 
58 #else /* EL3_PAYLOAD_BASE */
59 
60 	/* Fill BL31 related information */
61 	{
62 	    .image_id = BL31_IMAGE_ID,
63 
64 	    SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
65 		    VERSION_2, entry_point_info_t,
66 		    SECURE | EXECUTABLE | EP_FIRST_EXE),
67 	    .ep_info.pc = BL31_BASE,
68 	    .ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
69 		    DISABLE_ALL_EXCEPTIONS),
70 
71 	    SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
72 		    VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP),
73 	    .image_info.image_base = BL31_BASE,
74 	    .image_info.image_max_size = BL31_LIMIT - BL31_BASE,
75 
76 	    .next_handoff_image_id = BL33_IMAGE_ID,
77 	},
78 #endif /* EL3_PAYLOAD_BASE */
79 
80 	{
81 		.image_id = BL33_IMAGE_ID,
82 		SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
83 			VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE),
84 		.ep_info.pc = PLAT_NS_IMAGE_OFFSET,
85 
86 		SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
87 			VERSION_2, image_info_t, 0),
88 		.image_info.image_base = PLAT_NS_IMAGE_OFFSET,
89 		.image_info.image_max_size =
90 			0x0 + 0x40000000 - PLAT_NS_IMAGE_OFFSET,
91 
92 		.next_handoff_image_id = INVALID_IMAGE_ID,
93 	},
94 };
95 
96 REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)
97