1 /* SPDX-License-Identifier: BSD-2-Clause */ 2 /* 3 * Copyright (c) 2017, Linaro Limited 4 */ 5 #ifndef __KERNEL_LINKER_H 6 #define __KERNEL_LINKER_H 7 8 #include <kernel/dt.h> 9 #include <types_ext.h> 10 11 /* 12 * Symbols exported by the link script. 13 */ 14 15 #ifdef ARM32 16 17 /* 18 * These addresses will be the start or end of the exception binary search 19 * index table (.ARM.exidx section) 20 */ 21 extern const uint8_t __exidx_start[]; 22 extern const uint8_t __exidx_end[]; 23 extern const uint8_t __extab_start[]; 24 extern const uint8_t __extab_end[]; 25 26 #endif 27 28 #define VCORE_UNPG_RX_PA ((unsigned long)__vcore_unpg_rx_start) 29 #define VCORE_UNPG_RX_SZ ((size_t)(__vcore_unpg_rx_end - \ 30 __vcore_unpg_rx_start)) 31 #define VCORE_UNPG_RO_PA ((unsigned long)__vcore_unpg_ro_start) 32 #define VCORE_UNPG_RO_SZ ((size_t)(__vcore_unpg_ro_end - \ 33 __vcore_unpg_ro_start)) 34 #define VCORE_UNPG_RW_PA ((unsigned long)__vcore_unpg_rw_start) 35 #define VCORE_UNPG_RW_SZ ((size_t)(__vcore_unpg_rw_end - \ 36 __vcore_unpg_rw_start)) 37 #define VCORE_NEX_RW_PA ((unsigned long)__vcore_nex_rw_start) 38 #define VCORE_NEX_RW_SZ ((size_t)(__vcore_nex_rw_end - \ 39 __vcore_nex_rw_start)) 40 #define VCORE_INIT_RX_PA ((unsigned long)__vcore_init_rx_start) 41 #define VCORE_INIT_RX_SZ ((size_t)(__vcore_init_rx_end - \ 42 __vcore_init_rx_start)) 43 #define VCORE_INIT_RO_PA ((unsigned long)__vcore_init_ro_start) 44 #define VCORE_INIT_RO_SZ ((size_t)(__vcore_init_ro_end - \ 45 __vcore_init_ro_start)) 46 47 #define VCORE_START_VA ((vaddr_t)__text_start) 48 49 #ifndef CFG_WITH_PAGER 50 #define VCORE_FREE_PA ((unsigned long)__vcore_free_start) 51 #define VCORE_FREE_SZ ((size_t)(__vcore_free_end - \ 52 __vcore_free_start)) 53 #define VCORE_FREE_END_PA ((unsigned long)__vcore_free_end) 54 #else 55 /* No VCORE_FREE range in pager configuration since it uses all memory */ 56 #define VCORE_FREE_PA PADDR_MAX 57 #define VCORE_FREE_SZ 0 58 #define VCORE_FREE_END_PA PADDR_MAX 59 #endif 60 61 #define EMIT_SECTION_INFO_SYMBOLS(section_name) \ 62 extern const uint8_t __vcore_ ## section_name ## _start[]; \ 63 extern const uint8_t __vcore_ ## section_name ## _end[]; \ 64 extern const uint8_t __vcore_ ## section_name ## _size[] 65 66 EMIT_SECTION_INFO_SYMBOLS(unpg_rx); 67 EMIT_SECTION_INFO_SYMBOLS(unpg_ro); 68 EMIT_SECTION_INFO_SYMBOLS(unpg_rw); 69 EMIT_SECTION_INFO_SYMBOLS(nex_rw); 70 EMIT_SECTION_INFO_SYMBOLS(init_ro); 71 EMIT_SECTION_INFO_SYMBOLS(init_rx); 72 EMIT_SECTION_INFO_SYMBOLS(free); 73 74 #undef EMIT_SECTION_INFO_SYMBOLS 75 76 extern const uint8_t __text_start[]; 77 extern const uint8_t __text_data_start[]; 78 extern const uint8_t __text_data_end[]; 79 extern const uint8_t __text_end[]; 80 extern const uint8_t __end[]; 81 82 extern const uint8_t __identity_map_init_start[]; 83 extern const uint8_t __identity_map_init_end[]; 84 85 extern uint8_t __data_start[]; 86 extern const uint8_t __data_end[]; 87 extern const uint8_t __rodata_start[]; 88 extern const uint8_t __rodata_end[]; 89 extern const uint8_t __bss_start[]; 90 extern const uint8_t __bss_end[]; 91 extern const uint8_t __nozi_start[]; 92 extern const uint8_t __nozi_end[]; 93 extern const uint8_t __nozi_stack_start[]; 94 extern const uint8_t __nozi_stack_end[]; 95 extern const uint8_t __init_start[]; 96 extern const uint8_t __init_end[]; 97 98 extern uint8_t __heap1_start[]; 99 extern const uint8_t __heap1_end[]; 100 extern uint8_t __heap2_start[]; 101 extern const uint8_t __heap2_end[]; 102 103 extern uint8_t __nex_heap_start[]; 104 extern const uint8_t __nex_heap_end[]; 105 106 extern const uint8_t __pageable_part_start[]; 107 extern const uint8_t __pageable_part_end[]; 108 extern const uint8_t __pageable_start[]; 109 extern const uint8_t __pageable_end[]; 110 111 extern const uint8_t __rodata_init_start[]; 112 extern const uint8_t __rodata_init_end[]; 113 extern const uint8_t __rodata_pageable_start[]; 114 extern const uint8_t __rodata_pageable_end[]; 115 extern const uint8_t __text_init_start[]; 116 extern const uint8_t __text_init_end[]; 117 extern const uint8_t __text_pageable_start[]; 118 extern const uint8_t __text_pageable_end[]; 119 120 #define ASAN_SHADOW_PA ((paddr_t)(vaddr_t)__asan_shadow_start) 121 #define ASAN_SHADOW_SZ ((size_t)__asan_shadow_size) 122 extern const uint8_t __asan_shadow_start[]; 123 extern const uint8_t __asan_shadow_end[]; 124 extern const uint8_t __asan_shadow_size[]; 125 126 #define ASAN_MAP_PA ((paddr_t)(vaddr_t)__asan_map_start) 127 #define ASAN_MAP_SZ ((size_t)__asan_map_size) 128 extern const uint8_t __asan_map_start[]; 129 extern const uint8_t __asan_map_end[]; 130 extern const uint8_t __asan_map_size[]; 131 132 extern const vaddr_t __ctor_list; 133 extern const vaddr_t __ctor_end; 134 135 /* Generated by core/arch/$(ARCH)/kernel/link.mk */ 136 extern const char core_v_str[]; 137 138 #endif /*__KERNEL_LINKER_H*/ 139 140