1/* 2 * Copyright (c) 2016-2020, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7#include <common/bl_common.ld.h> 8#include <lib/xlat_tables/xlat_tables_defs.h> 9 10OUTPUT_FORMAT(elf32-littlearm) 11OUTPUT_ARCH(arm) 12ENTRY(sp_min_vector_table) 13 14MEMORY { 15 RAM (rwx): ORIGIN = BL32_BASE, LENGTH = BL32_LIMIT - BL32_BASE 16} 17 18#ifdef PLAT_SP_MIN_EXTRA_LD_SCRIPT 19#include <plat_sp_min.ld.S> 20#endif 21 22SECTIONS 23{ 24 . = BL32_BASE; 25 ASSERT(. == ALIGN(PAGE_SIZE), 26 "BL32_BASE address is not aligned on a page boundary.") 27 28#if SEPARATE_CODE_AND_RODATA 29 .text . : { 30 __TEXT_START__ = .; 31 *entrypoint.o(.text*) 32 *(SORT_BY_ALIGNMENT(.text*)) 33 *(.vectors) 34 . = ALIGN(PAGE_SIZE); 35 __TEXT_END__ = .; 36 } >RAM 37 38 /* .ARM.extab and .ARM.exidx are only added because Clang need them */ 39 .ARM.extab . : { 40 *(.ARM.extab* .gnu.linkonce.armextab.*) 41 } >RAM 42 43 .ARM.exidx . : { 44 *(.ARM.exidx* .gnu.linkonce.armexidx.*) 45 } >RAM 46 47 .rodata . : { 48 __RODATA_START__ = .; 49 *(SORT_BY_ALIGNMENT(.rodata*)) 50 51 RODATA_COMMON 52 53 /* Place pubsub sections for events */ 54 . = ALIGN(8); 55#include <lib/el3_runtime/pubsub_events.h> 56 57 . = ALIGN(PAGE_SIZE); 58 __RODATA_END__ = .; 59 } >RAM 60#else 61 ro . : { 62 __RO_START__ = .; 63 *entrypoint.o(.text*) 64 *(SORT_BY_ALIGNMENT(.text*)) 65 *(SORT_BY_ALIGNMENT(.rodata*)) 66 67 RODATA_COMMON 68 69 /* Place pubsub sections for events */ 70 . = ALIGN(8); 71#include <lib/el3_runtime/pubsub_events.h> 72 73 *(.vectors) 74 __RO_END_UNALIGNED__ = .; 75 76 /* 77 * Memory page(s) mapped to this section will be marked as 78 * read-only, executable. No RW data from the next section must 79 * creep in. Ensure the rest of the current memory page is unused. 80 */ 81 . = ALIGN(PAGE_SIZE); 82 __RO_END__ = .; 83 } >RAM 84#endif 85 86 ASSERT(__CPU_OPS_END__ > __CPU_OPS_START__, 87 "cpu_ops not defined for this platform.") 88 /* 89 * Define a linker symbol to mark start of the RW memory area for this 90 * image. 91 */ 92 __RW_START__ = . ; 93 94 DATA_SECTION >RAM 95 96#ifdef BL32_PROGBITS_LIMIT 97 ASSERT(. <= BL32_PROGBITS_LIMIT, "BL32 progbits has exceeded its limit.") 98#endif 99 100 STACK_SECTION >RAM 101 BSS_SECTION >RAM 102 XLAT_TABLE_SECTION >RAM 103 104 __BSS_SIZE__ = SIZEOF(.bss); 105 106#if USE_COHERENT_MEM 107 /* 108 * The base address of the coherent memory section must be page-aligned (4K) 109 * to guarantee that the coherent data are stored on their own pages and 110 * are not mixed with normal data. This is required to set up the correct 111 * memory attributes for the coherent data page tables. 112 */ 113 coherent_ram (NOLOAD) : ALIGN(PAGE_SIZE) { 114 __COHERENT_RAM_START__ = .; 115 /* 116 * Bakery locks are stored in coherent memory 117 * 118 * Each lock's data is contiguous and fully allocated by the compiler 119 */ 120 *(bakery_lock) 121 *(tzfw_coherent_mem) 122 __COHERENT_RAM_END_UNALIGNED__ = .; 123 /* 124 * Memory page(s) mapped to this section will be marked 125 * as device memory. No other unexpected data must creep in. 126 * Ensure the rest of the current memory page is unused. 127 */ 128 . = ALIGN(PAGE_SIZE); 129 __COHERENT_RAM_END__ = .; 130 } >RAM 131 132 __COHERENT_RAM_UNALIGNED_SIZE__ = 133 __COHERENT_RAM_END_UNALIGNED__ - __COHERENT_RAM_START__; 134#endif 135 136 /* 137 * Define a linker symbol to mark the end of the RW memory area for this 138 * image. 139 */ 140 __RW_END__ = .; 141 142 __BL32_END__ = .; 143 144 ASSERT(. <= BL32_LIMIT, "BL32 image has exceeded its limit.") 145} 146