1 /* 2 * Copyright (c) 2019-2022 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 #include "platform_base_address.h" 22 23 #define BL2_HEAP_SIZE (0x0001000) 24 #define BL2_MSP_STACK_SIZE (0x0001800) 25 26 #ifdef ENABLE_HEAP 27 #define S_HEAP_SIZE (0x0000200) 28 #endif 29 30 #define S_MSP_STACK_SIZE (0x0000800) 31 #define S_PSP_STACK_SIZE (0x0000800) 32 33 #define NS_HEAP_SIZE (0x0001000) 34 #define NS_STACK_SIZE (0x0001000) 35 36 /* This size of buffer is big enough to store an attestation 37 * token produced by initial attestation service 38 */ 39 #define PSA_INITIAL_ATTEST_TOKEN_MAX_SIZE (0x250) 40 41 #ifdef BL2 42 #ifndef LINK_TO_SECONDARY_PARTITION 43 #define S_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET) 44 #define S_IMAGE_SECONDARY_PARTITION_OFFSET (FLASH_AREA_2_OFFSET) 45 #else 46 #define S_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_2_OFFSET) 47 #define S_IMAGE_SECONDARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET) 48 #endif /* !LINK_TO_SECONDARY_PARTITION */ 49 #else 50 #define S_IMAGE_PRIMARY_PARTITION_OFFSET (0x0) 51 #endif /* BL2 */ 52 53 #ifndef LINK_TO_SECONDARY_PARTITION 54 #define NS_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_0_OFFSET \ 55 + FLASH_S_PARTITION_SIZE) 56 #else 57 #define NS_IMAGE_PRIMARY_PARTITION_OFFSET (FLASH_AREA_2_OFFSET \ 58 + FLASH_S_PARTITION_SIZE) 59 #endif /* !LINK_TO_SECONDARY_PARTITION */ 60 61 /* Boot partition structure if MCUBoot is used: 62 * 0x0_0000 Bootloader header 63 * 0x0_0400 Image area 64 * 0x5_0000 Trailer 65 */ 66 /* IMAGE_CODE_SIZE is the space available for the software binary image. 67 * It is less than the FLASH_S_PARTITION_SIZE + FLASH_NS_PARTITION_SIZE 68 * because we reserve space for the image header and trailer introduced 69 * by the bootloader. 70 */ 71 #if (!defined(MCUBOOT_IMAGE_NUMBER) || (MCUBOOT_IMAGE_NUMBER == 1)) && \ 72 (NS_IMAGE_PRIMARY_PARTITION_OFFSET > S_IMAGE_PRIMARY_PARTITION_OFFSET) 73 /* If secure image and nonsecure image are concatenated, and nonsecure image 74 * locates at the higher memory range, then the secure image does not need 75 * the trailer area. 76 */ 77 #define IMAGE_S_CODE_SIZE \ 78 (FLASH_S_PARTITION_SIZE - BL2_HEADER_SIZE) 79 #else 80 #define IMAGE_S_CODE_SIZE \ 81 (FLASH_S_PARTITION_SIZE - BL2_HEADER_SIZE - BL2_TRAILER_SIZE) 82 #endif 83 84 #define IMAGE_NS_CODE_SIZE \ 85 (FLASH_NS_PARTITION_SIZE - BL2_HEADER_SIZE - BL2_TRAILER_SIZE) 86 87 /* Secure regions */ 88 #define S_IMAGE_PRIMARY_AREA_OFFSET \ 89 (S_IMAGE_PRIMARY_PARTITION_OFFSET + BL2_HEADER_SIZE) 90 /* Secure Code stored in Code SRAM */ 91 #define S_CODE_START ((SRAM_BASE_S) + (S_IMAGE_PRIMARY_AREA_OFFSET)) 92 #define S_CODE_SIZE (IMAGE_S_CODE_SIZE) 93 #define S_CODE_LIMIT (S_CODE_START + S_CODE_SIZE - 1) 94 95 /* Secure Data stored in DTCM */ 96 #define S_DATA_START (DTCM0_BASE_S) 97 #define S_DATA_SIZE (DTCM_BLK_SIZE * DTCM_BLK_NUM) 98 #define S_DATA_LIMIT (S_DATA_START + S_DATA_SIZE - 1) 99 100 /* Size of vector table: 146 interrupt handlers + 4 bytes MPS initial value */ 101 #define S_CODE_VECTOR_TABLE_SIZE (0x24C) 102 103 /* Non-secure regions */ 104 #define NS_IMAGE_PRIMARY_AREA_OFFSET \ 105 (NS_IMAGE_PRIMARY_PARTITION_OFFSET + BL2_HEADER_SIZE) 106 /* Non-Secure Code stored in Code SRAM memory */ 107 #define NS_CODE_START (SRAM_BASE_NS + (NS_IMAGE_PRIMARY_AREA_OFFSET)) 108 #define NS_CODE_SIZE (IMAGE_NS_CODE_SIZE) 109 #define NS_CODE_LIMIT (NS_CODE_START + NS_CODE_SIZE - 1) 110 111 /* Non-Secure Data stored in ISRAM0 */ 112 #define NS_DATA_START (ISRAM0_BASE_NS) 113 #define NS_DATA_SIZE (ISRAM0_SIZE) 114 #define NS_DATA_LIMIT (NS_DATA_START + NS_DATA_SIZE - 1) 115 116 /* NS partition information is used for MPC and SAU configuration */ 117 #define NS_PARTITION_START \ 118 ((SRAM_BASE_NS) + (NS_IMAGE_PRIMARY_PARTITION_OFFSET)) 119 #define NS_PARTITION_SIZE (FLASH_NS_PARTITION_SIZE) 120 121 /* Secondary partition for new images in case of firmware upgrade */ 122 #define SECONDARY_PARTITION_START \ 123 ((SRAM_BASE_NS) + (S_IMAGE_SECONDARY_PARTITION_OFFSET)) 124 #define SECONDARY_PARTITION_SIZE (FLASH_S_PARTITION_SIZE + \ 125 FLASH_NS_PARTITION_SIZE) 126 127 #ifdef BL2 128 /* Bootloader regions */ 129 /* Use ITCM to store Bootloader */ 130 #define BL2_CODE_START (ITCM_BASE_S) 131 #define BL2_CODE_SIZE (ITCM_SIZE) 132 #define BL2_CODE_LIMIT (BL2_CODE_START + BL2_CODE_SIZE - 1) 133 134 /* Bootloader uses same memory as for secure image */ 135 #define BL2_DATA_START (S_DATA_START) 136 #define BL2_DATA_SIZE (S_DATA_SIZE) 137 #define BL2_DATA_LIMIT (BL2_DATA_START + BL2_DATA_SIZE - 1) 138 #endif /* BL2 */ 139 140 /* Shared data area between bootloader and runtime firmware. 141 * Shared data area is allocated at the beginning of the RAM, it is overlapping 142 * with TF-M Secure code's MSP stack 143 */ 144 #define BOOT_TFM_SHARED_DATA_BASE S_DATA_START 145 #define BOOT_TFM_SHARED_DATA_SIZE (0x400) 146 #define BOOT_TFM_SHARED_DATA_LIMIT (BOOT_TFM_SHARED_DATA_BASE + \ 147 BOOT_TFM_SHARED_DATA_SIZE - 1) 148 149 #endif /* __REGION_DEFS_H__ */ 150
