1 /* 2 * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <bl_common.h> 32 #include <desc_image_load.h> 33 #include <platform.h> 34 #include <platform_def.h> 35 36 37 /******************************************************************************* 38 * Following descriptor provides BL image/ep information that gets used 39 * by BL2 to load the images and also subset of this information is 40 * passed to next BL image. The image loading sequence is managed by 41 * populating the images in required loading order. The image execution 42 * sequence is managed by populating the `next_handoff_image_id` with 43 * the next executable image id. 44 ******************************************************************************/ 45 static bl_mem_params_node_t bl2_mem_params_descs[] = { 46 #ifdef SCP_BL2_BASE 47 /* Fill SCP_BL2 related information if it exists */ 48 { 49 .image_id = SCP_BL2_IMAGE_ID, 50 51 SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY, 52 VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE), 53 54 SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY, 55 VERSION_2, image_info_t, 0), 56 .image_info.image_base = SCP_BL2_BASE, 57 .image_info.image_max_size = PLAT_CSS_MAX_SCP_BL2_SIZE, 58 59 .next_handoff_image_id = INVALID_IMAGE_ID, 60 }, 61 #endif /* SCP_BL2_BASE */ 62 63 #ifdef EL3_PAYLOAD_BASE 64 /* Fill EL3 payload related information (BL31 is EL3 payload)*/ 65 { 66 .image_id = BL31_IMAGE_ID, 67 68 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 69 VERSION_2, entry_point_info_t, 70 SECURE | EXECUTABLE | EP_FIRST_EXE), 71 .ep_info.pc = EL3_PAYLOAD_BASE, 72 .ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX, 73 DISABLE_ALL_EXCEPTIONS), 74 75 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 76 VERSION_2, image_info_t, 77 IMAGE_ATTRIB_PLAT_SETUP | IMAGE_ATTRIB_SKIP_LOADING), 78 79 .next_handoff_image_id = INVALID_IMAGE_ID, 80 }, 81 82 #else /* EL3_PAYLOAD_BASE */ 83 84 /* Fill BL31 related information */ 85 { 86 .image_id = BL31_IMAGE_ID, 87 88 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 89 VERSION_2, entry_point_info_t, 90 SECURE | EXECUTABLE | EP_FIRST_EXE), 91 .ep_info.pc = BL31_BASE, 92 .ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX, 93 DISABLE_ALL_EXCEPTIONS), 94 #if DEBUG 95 .ep_info.args.arg1 = ARM_BL31_PLAT_PARAM_VAL, 96 #endif 97 98 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 99 VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP), 100 .image_info.image_base = BL31_BASE, 101 .image_info.image_max_size = BL31_LIMIT - BL31_BASE, 102 103 # ifdef BL32_BASE 104 .next_handoff_image_id = BL32_IMAGE_ID, 105 # else 106 .next_handoff_image_id = BL33_IMAGE_ID, 107 # endif 108 }, 109 110 # ifdef BL32_BASE 111 /* Fill BL32 related information */ 112 { 113 .image_id = BL32_IMAGE_ID, 114 115 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 116 VERSION_2, entry_point_info_t, SECURE | EXECUTABLE), 117 .ep_info.pc = BL32_BASE, 118 119 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 120 VERSION_2, image_info_t, 0), 121 .image_info.image_base = BL32_BASE, 122 .image_info.image_max_size = BL32_LIMIT - BL32_BASE, 123 124 .next_handoff_image_id = BL33_IMAGE_ID, 125 }, 126 # endif /* BL32_BASE */ 127 128 /* Fill BL33 related information */ 129 { 130 .image_id = BL33_IMAGE_ID, 131 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, 132 VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE), 133 # ifdef PRELOADED_BL33_BASE 134 .ep_info.pc = PRELOADED_BL33_BASE, 135 136 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 137 VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING), 138 # else 139 .ep_info.pc = PLAT_ARM_NS_IMAGE_OFFSET, 140 141 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, 142 VERSION_2, image_info_t, 0), 143 .image_info.image_base = PLAT_ARM_NS_IMAGE_OFFSET, 144 .image_info.image_max_size = ARM_DRAM1_SIZE, 145 # endif /* PRELOADED_BL33_BASE */ 146 147 .next_handoff_image_id = INVALID_IMAGE_ID, 148 } 149 #endif /* EL3_PAYLOAD_BASE */ 150 }; 151 152 REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs) 153