1 /* 2 * Copyright (c) 2016-2018, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <bl_common.h> 8 #include <desc_image_load.h> 9 #include <platform.h> 10 #include <platform_def.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 = PLAT_CSS_MAX_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 #if DEBUG 71 .ep_info.args.arg3 = ARM_BL31_PLAT_PARAM_VAL, 72 #endif 73 74 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 75 VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP), 76 .image_info.image_base = BL31_BASE, 77 .image_info.image_max_size = BL31_LIMIT - BL31_BASE, 78 79 # ifdef BL32_BASE 80 .next_handoff_image_id = BL32_IMAGE_ID, 81 # else 82 .next_handoff_image_id = BL33_IMAGE_ID, 83 # endif 84 }, 85 /* Fill HW_CONFIG related information */ 86 { 87 .image_id = HW_CONFIG_ID, 88 SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY, 89 VERSION_2, entry_point_info_t, NON_SECURE | NON_EXECUTABLE), 90 SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY, 91 VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING), 92 .next_handoff_image_id = INVALID_IMAGE_ID, 93 }, 94 # ifdef BL32_BASE 95 /* Fill BL32 related information */ 96 { 97 .image_id = BL32_IMAGE_ID, 98 99 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 100 VERSION_2, entry_point_info_t, SECURE | EXECUTABLE), 101 .ep_info.pc = BL32_BASE, 102 103 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 104 VERSION_2, image_info_t, 0), 105 .image_info.image_base = BL32_BASE, 106 .image_info.image_max_size = BL32_LIMIT - BL32_BASE, 107 108 .next_handoff_image_id = BL33_IMAGE_ID, 109 }, 110 111 /* 112 * Fill BL32 external 1 related information. 113 * A typical use for extra1 image is with OP-TEE where it is the pager image. 114 */ 115 { 116 .image_id = BL32_EXTRA1_IMAGE_ID, 117 118 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 119 VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE), 120 121 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 122 VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING), 123 .image_info.image_base = BL32_BASE, 124 .image_info.image_max_size = BL32_LIMIT - BL32_BASE, 125 126 .next_handoff_image_id = INVALID_IMAGE_ID, 127 }, 128 129 /* 130 * Fill BL32 external 2 related information. 131 * A typical use for extra2 image is with OP-TEE where it is the paged image. 132 */ 133 { 134 .image_id = BL32_EXTRA2_IMAGE_ID, 135 136 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 137 VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE), 138 139 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 140 VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING), 141 #ifdef SPD_opteed 142 .image_info.image_base = ARM_OPTEE_PAGEABLE_LOAD_BASE, 143 .image_info.image_max_size = ARM_OPTEE_PAGEABLE_LOAD_SIZE, 144 #endif 145 .next_handoff_image_id = INVALID_IMAGE_ID, 146 }, 147 # endif /* BL32_BASE */ 148 149 /* Fill BL33 related information */ 150 { 151 .image_id = BL33_IMAGE_ID, 152 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 153 VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE), 154 # ifdef PRELOADED_BL33_BASE 155 .ep_info.pc = PRELOADED_BL33_BASE, 156 157 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 158 VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING), 159 # else 160 .ep_info.pc = PLAT_ARM_NS_IMAGE_OFFSET, 161 162 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 163 VERSION_2, image_info_t, 0), 164 .image_info.image_base = PLAT_ARM_NS_IMAGE_OFFSET, 165 .image_info.image_max_size = ARM_DRAM1_SIZE, 166 # endif /* PRELOADED_BL33_BASE */ 167 168 .next_handoff_image_id = INVALID_IMAGE_ID, 169 } 170 #endif /* EL3_PAYLOAD_BASE */ 171 }; 172 173 REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs) 174