1 /* 2 * Copyright (c) 2015-2017, 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 #ifndef __COMMON_DEF_H__ 31 #define __COMMON_DEF_H__ 32 33 #include <bl_common.h> 34 #include <platform_def.h> 35 36 /****************************************************************************** 37 * Required platform porting definitions that are expected to be common to 38 * all platforms 39 *****************************************************************************/ 40 41 /* 42 * Platform binary types for linking 43 */ 44 #ifdef AARCH32 45 #define PLATFORM_LINKER_FORMAT "elf32-littlearm" 46 #define PLATFORM_LINKER_ARCH arm 47 #else 48 #define PLATFORM_LINKER_FORMAT "elf64-littleaarch64" 49 #define PLATFORM_LINKER_ARCH aarch64 50 #endif /* AARCH32 */ 51 52 /* 53 * Generic platform constants 54 */ 55 #define FIRMWARE_WELCOME_STR "Booting Trusted Firmware\n" 56 57 #if LOAD_IMAGE_V2 58 #define BL2_IMAGE_DESC { \ 59 .image_id = BL2_IMAGE_ID, \ 60 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, \ 61 VERSION_2, image_info_t, 0), \ 62 .image_info.image_base = BL2_BASE, \ 63 .image_info.image_max_size = BL2_LIMIT - BL2_BASE,\ 64 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, \ 65 VERSION_2, entry_point_info_t, SECURE | EXECUTABLE),\ 66 .ep_info.pc = BL2_BASE, \ 67 } 68 #else /* LOAD_IMAGE_V2 */ 69 #define BL2_IMAGE_DESC { \ 70 .image_id = BL2_IMAGE_ID, \ 71 SET_STATIC_PARAM_HEAD(image_info, PARAM_EP, \ 72 VERSION_1, image_info_t, 0), \ 73 .image_info.image_base = BL2_BASE, \ 74 SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP, \ 75 VERSION_1, entry_point_info_t, SECURE | EXECUTABLE),\ 76 .ep_info.pc = BL2_BASE, \ 77 } 78 #endif /* LOAD_IMAGE_V2 */ 79 80 /* 81 * The following constants identify the extents of the code & read-only data 82 * regions. These addresses are used by the MMU setup code and therefore they 83 * must be page-aligned. 84 * 85 * When the code and read-only data are mapped as a single atomic section 86 * (i.e. when SEPARATE_CODE_AND_RODATA=0) then we treat the whole section as 87 * code by specifying the read-only data section as empty. 88 * 89 * BL1 is different than the other images in the sense that its read-write data 90 * originally lives in Trusted ROM and needs to be relocated in Trusted SRAM at 91 * run-time. Therefore, the read-write data in ROM can be mapped with the same 92 * memory attributes as the read-only data region. For this reason, BL1 uses 93 * different macros. 94 * 95 * Note that BL1_ROM_END is not necessarily aligned on a page boundary as it 96 * just points to the end of BL1's actual content in Trusted ROM. Therefore it 97 * needs to be rounded up to the next page size in order to map the whole last 98 * page of it with the right memory attributes. 99 */ 100 #if SEPARATE_CODE_AND_RODATA 101 #define BL_CODE_BASE (unsigned long)(&__TEXT_START__) 102 #define BL_CODE_END (unsigned long)(&__TEXT_END__) 103 #define BL_RO_DATA_BASE (unsigned long)(&__RODATA_START__) 104 #define BL_RO_DATA_END (unsigned long)(&__RODATA_END__) 105 106 #define BL1_CODE_END BL_CODE_END 107 #define BL1_RO_DATA_BASE (unsigned long)(&__RODATA_START__) 108 #define BL1_RO_DATA_END round_up(BL1_ROM_END, PAGE_SIZE) 109 #else 110 #define BL_CODE_BASE (unsigned long)(&__RO_START__) 111 #define BL_CODE_END (unsigned long)(&__RO_END__) 112 #define BL_RO_DATA_BASE 0 113 #define BL_RO_DATA_END 0 114 115 #define BL1_CODE_END round_up(BL1_ROM_END, PAGE_SIZE) 116 #define BL1_RO_DATA_BASE 0 117 #define BL1_RO_DATA_END 0 118 #endif /* SEPARATE_CODE_AND_RODATA */ 119 120 /* 121 * The next 2 constants identify the extents of the coherent memory region. 122 * These addresses are used by the MMU setup code and therefore they must be 123 * page-aligned. It is the responsibility of the linker script to ensure that 124 * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to 125 * page-aligned addresses. 126 */ 127 #define BL_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__) 128 #define BL_COHERENT_RAM_END (unsigned long)(&__COHERENT_RAM_END__) 129 130 #endif /* __COMMON_DEF_H__ */ 131