1 /* 2 * Copyright (c) 2017-2022 Arm Limited. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef __REGION_DEFS_H__ 18 #define __REGION_DEFS_H__ 19 20 #include "flash_layout.h" 21 22 #define BL2_HEAP_SIZE (0x0001000) 23 #define BL2_MSP_STACK_SIZE (0x0001800) 24 25 #ifdef ENABLE_HEAP 26 #define S_HEAP_SIZE (0x0000200) 27 #endif 28 29 #define S_MSP_STACK_SIZE (0x0000800) 30 #define S_PSP_STACK_SIZE (0x0000800) 31 32 #define NS_HEAP_SIZE (0x0001000) 33 #define NS_STACK_SIZE (0x00001E0) 34 35 /* This size of buffer is big enough to store an attestation 36 * token produced by initial attestation service 37 */ 38 #define PSA_INITIAL_ATTEST_TOKEN_MAX_SIZE (0x250) 39 40 /* MPC granularity is 128 KB on AN519 MPS2 FPGA image. Alignment 41 * of partitions is defined in accordance with this constraint. 42 */ 43 44 #ifdef BL2 45 #ifndef LINK_TO_SECONDARY_PARTITION 46 #define S_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET) 47 #define S_IMAGE_SECONDARY_PARTITION_OFFSET (FLASH_AREA_2_OFFSET) 48 #else 49 #define S_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_2_OFFSET) 50 #define S_IMAGE_SECONDARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET) 51 #endif /* !LINK_TO_SECONDARY_PARTITION */ 52 #else 53 #define S_IMAGE_PRIMARY_PARTITION_OFFSET (0x0) 54 #endif /* BL2 */ 55 56 #ifndef LINK_TO_SECONDARY_PARTITION 57 #define NS_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET \ 58 + FLASH_S_PARTITION_SIZE) 59 #else 60 #define NS_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_2_OFFSET \ 61 + FLASH_S_PARTITION_SIZE) 62 #endif /* !LINK_TO_SECONDARY_PARTITION */ 63 64 /* Boot partition structure if MCUBoot is used: 65 * 0x0_0000 Bootloader header 66 * 0x0_0400 Image area 67 * 0x7_0000 Trailer 68 */ 69 /* IMAGE_CODE_SIZE is the space available for the software binary image. 70 * It is less than the FLASH_S_PARTITION_SIZE + FLASH_NS_PARTITION_SIZE 71 * because we reserve space for the image header and trailer introduced 72 * by the bootloader. 73 */ 74 75 #if (!defined(MCUBOOT_IMAGE_NUMBER) || (MCUBOOT_IMAGE_NUMBER == 1)) && \ 76 (NS_IMAGE_PRIMARY_PARTITION_OFFSET > S_IMAGE_PRIMARY_PARTITION_OFFSET) 77 /* If secure image and nonsecure image are concatenated, and nonsecure image 78 * locates at the higher memory range, then the secure image does not need 79 * the trailer area. 80 */ 81 #define IMAGE_S_CODE_SIZE \ 82 (FLASH_S_PARTITION_SIZE - BL2_HEADER_SIZE) 83 #else 84 #define IMAGE_S_CODE_SIZE \ 85 (FLASH_S_PARTITION_SIZE - BL2_HEADER_SIZE - BL2_TRAILER_SIZE) 86 #endif 87 88 #define IMAGE_NS_CODE_SIZE \ 89 (FLASH_NS_PARTITION_SIZE - BL2_HEADER_SIZE - BL2_TRAILER_SIZE) 90 91 /* Alias definitions for secure and non-secure areas*/ 92 #define S_ROM_ALIAS(x) (S_ROM_ALIAS_BASE + (x)) 93 #define NS_ROM_ALIAS(x) (NS_ROM_ALIAS_BASE + (x)) 94 95 #define S_RAM_ALIAS(x) (S_RAM_ALIAS_BASE + (x)) 96 #define NS_RAM_ALIAS(x) (NS_RAM_ALIAS_BASE + (x)) 97 98 /* Secure regions */ 99 #define S_IMAGE_PRIMARY_AREA_OFFSET \ 100 (S_IMAGE_PRIMARY_PARTITION_OFFSET + BL2_HEADER_SIZE) 101 #define S_CODE_START (S_ROM_ALIAS(S_IMAGE_PRIMARY_AREA_OFFSET)) 102 #define S_CODE_SIZE (IMAGE_S_CODE_SIZE) 103 #define S_CODE_LIMIT (S_CODE_START + S_CODE_SIZE - 1) 104 105 #define S_DATA_START (S_RAM_ALIAS(0x0)) 106 #define S_DATA_SIZE (TOTAL_RAM_SIZE / 2) 107 #define S_DATA_LIMIT (S_DATA_START + S_DATA_SIZE - 1) 108 109 /* Size of vector table: 139 interrupt handlers + 4 bytes MPS initial value */ 110 #define S_CODE_VECTOR_TABLE_SIZE (0x230) 111 112 /* Non-secure regions */ 113 #define NS_IMAGE_PRIMARY_AREA_OFFSET \ 114 (NS_IMAGE_PRIMARY_PARTITION_OFFSET + BL2_HEADER_SIZE) 115 #define NS_CODE_START (NS_ROM_ALIAS(NS_IMAGE_PRIMARY_AREA_OFFSET)) 116 #define NS_CODE_SIZE (IMAGE_NS_CODE_SIZE) 117 #define NS_CODE_LIMIT (NS_CODE_START + NS_CODE_SIZE - 1) 118 119 #define NS_DATA_START (NS_RAM_ALIAS(TOTAL_RAM_SIZE / 2)) 120 #define NS_DATA_SIZE (TOTAL_RAM_SIZE / 2) 121 #define NS_DATA_LIMIT (NS_DATA_START + NS_DATA_SIZE - 1) 122 123 /* NS partition information is used for MPC and SAU configuration */ 124 #define NS_PARTITION_START \ 125 (NS_ROM_ALIAS(NS_IMAGE_PRIMARY_PARTITION_OFFSET)) 126 #define NS_PARTITION_SIZE (FLASH_NS_PARTITION_SIZE) 127 128 /* Secondary partition for new images in case of firmware upgrade */ 129 #define SECONDARY_PARTITION_START \ 130 (NS_ROM_ALIAS(S_IMAGE_SECONDARY_PARTITION_OFFSET)) 131 #define SECONDARY_PARTITION_SIZE (FLASH_S_PARTITION_SIZE + \ 132 FLASH_NS_PARTITION_SIZE) 133 134 #ifdef BL2 135 /* Bootloader regions */ 136 #define BL2_CODE_START (S_ROM_ALIAS(FLASH_AREA_BL2_OFFSET)) 137 #define BL2_CODE_SIZE (FLASH_AREA_BL2_SIZE) 138 #define BL2_CODE_LIMIT (BL2_CODE_START + BL2_CODE_SIZE - 1) 139 140 #define BL2_DATA_START (S_RAM_ALIAS(0x0)) 141 #define BL2_DATA_SIZE (TOTAL_RAM_SIZE) 142 #define BL2_DATA_LIMIT (BL2_DATA_START + BL2_DATA_SIZE - 1) 143 #endif /* BL2 */ 144 145 /* Shared data area between bootloader and runtime firmware. 146 * Shared data area is allocated at the beginning of the RAM, it is overlapping 147 * with TF-M Secure code's MSP stack 148 */ 149 #define BOOT_TFM_SHARED_DATA_BASE S_RAM_ALIAS_BASE 150 #define BOOT_TFM_SHARED_DATA_SIZE (0x400) 151 #define BOOT_TFM_SHARED_DATA_LIMIT (BOOT_TFM_SHARED_DATA_BASE + \ 152 BOOT_TFM_SHARED_DATA_SIZE - 1) 153 154 #endif /* __REGION_DEFS_H__ */ 155
