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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NCS36510/TOOLCHAIN_GCC_ARM/NCS36510.ld@156:ff21514d8981, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 17:18:06 2017 +0000
Revision:
156:ff21514d8981
Child:
169:a7c7b631e539
Reverting back to release 154 of the mbed library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /*
AnnaBridge 156:ff21514d8981 2 * NCS36510 ARM GCC linker script file
AnnaBridge 156:ff21514d8981 3 */
AnnaBridge 156:ff21514d8981 4
AnnaBridge 156:ff21514d8981 5 MEMORY {
AnnaBridge 156:ff21514d8981 6 VECTORS (rx) : ORIGIN = 0x00003000, LENGTH = 0x00000090
AnnaBridge 156:ff21514d8981 7 FLASH (rx) : ORIGIN = 0x00003090, LENGTH = 320K - 4K - 0x90
AnnaBridge 156:ff21514d8981 8 RAM (rwx) : ORIGIN = 0x3FFF4090, LENGTH = 48K - 0x90 /* 8_byte_aligned(35 vectors * 4 bytes each) = 0x90 */
AnnaBridge 156:ff21514d8981 9 }
AnnaBridge 156:ff21514d8981 10
AnnaBridge 156:ff21514d8981 11 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 156:ff21514d8981 12 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 156:ff21514d8981 13 * It references following symbols, which must be defined in code:
AnnaBridge 156:ff21514d8981 14 * _reset_init : Entry of reset handler
AnnaBridge 156:ff21514d8981 15 *
AnnaBridge 156:ff21514d8981 16 * It defines following symbols, which code can use without definition:
AnnaBridge 156:ff21514d8981 17 * __exidx_start
AnnaBridge 156:ff21514d8981 18 * __exidx_end
AnnaBridge 156:ff21514d8981 19 * __etext
AnnaBridge 156:ff21514d8981 20 * __data_start__
AnnaBridge 156:ff21514d8981 21 * __preinit_array_start
AnnaBridge 156:ff21514d8981 22 * __preinit_array_end
AnnaBridge 156:ff21514d8981 23 * __init_array_start
AnnaBridge 156:ff21514d8981 24 * __init_array_end
AnnaBridge 156:ff21514d8981 25 * __fini_array_start
AnnaBridge 156:ff21514d8981 26 * __fini_array_end
AnnaBridge 156:ff21514d8981 27 * __data_end__
AnnaBridge 156:ff21514d8981 28 * __bss_start__
AnnaBridge 156:ff21514d8981 29 * __bss_end__
AnnaBridge 156:ff21514d8981 30 * __end__
AnnaBridge 156:ff21514d8981 31 * end
AnnaBridge 156:ff21514d8981 32 * __HeapLimit
AnnaBridge 156:ff21514d8981 33 * __StackLimit
AnnaBridge 156:ff21514d8981 34 * __StackTop
AnnaBridge 156:ff21514d8981 35 * __stack
AnnaBridge 156:ff21514d8981 36 */
AnnaBridge 156:ff21514d8981 37 ENTRY(Reset_Handler)
AnnaBridge 156:ff21514d8981 38
AnnaBridge 156:ff21514d8981 39 SECTIONS {
AnnaBridge 156:ff21514d8981 40 .isr_vector :
AnnaBridge 156:ff21514d8981 41 {
AnnaBridge 156:ff21514d8981 42 __vector_table = .;
AnnaBridge 156:ff21514d8981 43 KEEP(*(.vector_table))
AnnaBridge 156:ff21514d8981 44 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 45 } > VECTORS
AnnaBridge 156:ff21514d8981 46
AnnaBridge 156:ff21514d8981 47 /* ensure that uvisor bss is at the beginning of memory */
AnnaBridge 156:ff21514d8981 48 .uvisor.bss (NOLOAD):
AnnaBridge 156:ff21514d8981 49 {
AnnaBridge 156:ff21514d8981 50 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 51 __uvisor_bss_start = .;
AnnaBridge 156:ff21514d8981 52
AnnaBridge 156:ff21514d8981 53 /* protected uvisor main bss */
AnnaBridge 156:ff21514d8981 54 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 55 __uvisor_bss_main_start = .;
AnnaBridge 156:ff21514d8981 56 KEEP(*(.keep.uvisor.bss.main))
AnnaBridge 156:ff21514d8981 57 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 58 __uvisor_bss_main_end = .;
AnnaBridge 156:ff21514d8981 59
AnnaBridge 156:ff21514d8981 60 /* protected uvisor secure boxes bss */
AnnaBridge 156:ff21514d8981 61 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 62 __uvisor_bss_boxes_start = .;
AnnaBridge 156:ff21514d8981 63 KEEP(*(.keep.uvisor.bss.boxes))
AnnaBridge 156:ff21514d8981 64 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 65 __uvisor_bss_boxes_end = .;
AnnaBridge 156:ff21514d8981 66
AnnaBridge 156:ff21514d8981 67 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 68 __uvisor_bss_end = .;
AnnaBridge 156:ff21514d8981 69 } > RAM
AnnaBridge 156:ff21514d8981 70
AnnaBridge 156:ff21514d8981 71 .text :
AnnaBridge 156:ff21514d8981 72 {
AnnaBridge 156:ff21514d8981 73 /* uVisor code and data */
AnnaBridge 156:ff21514d8981 74 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 75 __uvisor_main_start = .;
AnnaBridge 156:ff21514d8981 76 *(.uvisor.main)
AnnaBridge 156:ff21514d8981 77 __uvisor_main_end = .;
AnnaBridge 156:ff21514d8981 78
AnnaBridge 156:ff21514d8981 79 *(.text*)
AnnaBridge 156:ff21514d8981 80
AnnaBridge 156:ff21514d8981 81 KEEP(*(.init))
AnnaBridge 156:ff21514d8981 82 KEEP(*(.fini))
AnnaBridge 156:ff21514d8981 83
AnnaBridge 156:ff21514d8981 84 /* .ctors */
AnnaBridge 156:ff21514d8981 85 *crtbegin.o(.ctors)
AnnaBridge 156:ff21514d8981 86 *crtbegin?.o(.ctors)
AnnaBridge 156:ff21514d8981 87 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 156:ff21514d8981 88 *(SORT(.ctors.*))
AnnaBridge 156:ff21514d8981 89 *(.ctors)
AnnaBridge 156:ff21514d8981 90
AnnaBridge 156:ff21514d8981 91 /* .dtors */
AnnaBridge 156:ff21514d8981 92 *crtbegin.o(.dtors)
AnnaBridge 156:ff21514d8981 93 *crtbegin?.o(.dtors)
AnnaBridge 156:ff21514d8981 94 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 156:ff21514d8981 95 *(SORT(.dtors.*))
AnnaBridge 156:ff21514d8981 96 *(.dtors)
AnnaBridge 156:ff21514d8981 97
AnnaBridge 156:ff21514d8981 98 *(.rodata*)
AnnaBridge 156:ff21514d8981 99
AnnaBridge 156:ff21514d8981 100 KEEP(*(.eh_frame*))
AnnaBridge 156:ff21514d8981 101 } > FLASH
AnnaBridge 156:ff21514d8981 102
AnnaBridge 156:ff21514d8981 103 .ARM.extab :
AnnaBridge 156:ff21514d8981 104 {
AnnaBridge 156:ff21514d8981 105 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 156:ff21514d8981 106 } > FLASH
AnnaBridge 156:ff21514d8981 107
AnnaBridge 156:ff21514d8981 108 .ARM.exidx :
AnnaBridge 156:ff21514d8981 109 {
AnnaBridge 156:ff21514d8981 110 __exidx_start = .;
AnnaBridge 156:ff21514d8981 111 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 156:ff21514d8981 112 __exidx_end = .;
AnnaBridge 156:ff21514d8981 113 } > FLASH
AnnaBridge 156:ff21514d8981 114
AnnaBridge 156:ff21514d8981 115 .data :
AnnaBridge 156:ff21514d8981 116 {
AnnaBridge 156:ff21514d8981 117 PROVIDE( __etext = LOADADDR(.data) );
AnnaBridge 156:ff21514d8981 118
AnnaBridge 156:ff21514d8981 119 __data_start__ = .;
AnnaBridge 156:ff21514d8981 120 *(vtable)
AnnaBridge 156:ff21514d8981 121 *(.data*)
AnnaBridge 156:ff21514d8981 122
AnnaBridge 156:ff21514d8981 123 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 124 /* preinit data */
AnnaBridge 156:ff21514d8981 125 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 156:ff21514d8981 126 KEEP(*(.preinit_array))
AnnaBridge 156:ff21514d8981 127 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 156:ff21514d8981 128
AnnaBridge 156:ff21514d8981 129 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 130 /* init data */
AnnaBridge 156:ff21514d8981 131 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 156:ff21514d8981 132 KEEP(*(SORT(.init_array.*)))
AnnaBridge 156:ff21514d8981 133 KEEP(*(.init_array))
AnnaBridge 156:ff21514d8981 134 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 156:ff21514d8981 135
AnnaBridge 156:ff21514d8981 136 . = ALIGN(4);
AnnaBridge 156:ff21514d8981 137 /* finit data */
AnnaBridge 156:ff21514d8981 138 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 156:ff21514d8981 139 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 156:ff21514d8981 140 KEEP(*(.fini_array))
AnnaBridge 156:ff21514d8981 141 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 156:ff21514d8981 142
AnnaBridge 156:ff21514d8981 143 /* All data end */
AnnaBridge 156:ff21514d8981 144 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 145 __data_end__ = .;
AnnaBridge 156:ff21514d8981 146
AnnaBridge 156:ff21514d8981 147 } >RAM AT>FLASH
AnnaBridge 156:ff21514d8981 148
AnnaBridge 156:ff21514d8981 149 /* uvisor configuration data */
AnnaBridge 156:ff21514d8981 150 .uvisor.secure :
AnnaBridge 156:ff21514d8981 151 {
AnnaBridge 156:ff21514d8981 152 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 153 __uvisor_secure_start = .;
AnnaBridge 156:ff21514d8981 154
AnnaBridge 156:ff21514d8981 155 /* uvisor secure boxes configuration tables */
AnnaBridge 156:ff21514d8981 156 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 157 __uvisor_cfgtbl_start = .;
AnnaBridge 156:ff21514d8981 158 KEEP(*(.keep.uvisor.cfgtbl))
AnnaBridge 156:ff21514d8981 159 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 160 __uvisor_cfgtbl_end = .;
AnnaBridge 156:ff21514d8981 161
AnnaBridge 156:ff21514d8981 162 /* pointers to uvisor secure boxes configuration tables */
AnnaBridge 156:ff21514d8981 163 /* note: no further alignment here, we need to have the exact list of pointers */
AnnaBridge 156:ff21514d8981 164 __uvisor_cfgtbl_ptr_start = .;
AnnaBridge 156:ff21514d8981 165 KEEP(*(.keep.uvisor.cfgtbl_ptr_first))
AnnaBridge 156:ff21514d8981 166 KEEP(*(.keep.uvisor.cfgtbl_ptr))
AnnaBridge 156:ff21514d8981 167 __uvisor_cfgtbl_ptr_end = .;
AnnaBridge 156:ff21514d8981 168
AnnaBridge 156:ff21514d8981 169 /* the following symbols are kept for backward compatibility and will be soon
AnnaBridge 156:ff21514d8981 170 * deprecated; applications actively using uVisor (__uvisor_mode == UVISOR_ENABLED)
AnnaBridge 156:ff21514d8981 171 * will need to use uVisor 0.8.x or above, or the security assetions will halt the
AnnaBridge 156:ff21514d8981 172 * system */
AnnaBridge 156:ff21514d8981 173 /************************/
AnnaBridge 156:ff21514d8981 174 __uvisor_data_src = .;
AnnaBridge 156:ff21514d8981 175 __uvisor_data_start = .;
AnnaBridge 156:ff21514d8981 176 __uvisor_data_end = .;
AnnaBridge 156:ff21514d8981 177 /************************/
AnnaBridge 156:ff21514d8981 178
AnnaBridge 156:ff21514d8981 179 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 180 __uvisor_secure_end = .;
AnnaBridge 156:ff21514d8981 181 } >FLASH
AnnaBridge 156:ff21514d8981 182
AnnaBridge 156:ff21514d8981 183 .uninitialized (NOLOAD):
AnnaBridge 156:ff21514d8981 184 {
AnnaBridge 156:ff21514d8981 185 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 186 __uninitialized_start = .;
AnnaBridge 156:ff21514d8981 187 *(.uninitialized)
AnnaBridge 156:ff21514d8981 188 KEEP(*(.keep.uninitialized))
AnnaBridge 156:ff21514d8981 189 . = ALIGN(32);
AnnaBridge 156:ff21514d8981 190 __uninitialized_end = .;
AnnaBridge 156:ff21514d8981 191 } > RAM
AnnaBridge 156:ff21514d8981 192
AnnaBridge 156:ff21514d8981 193 .bss (NOLOAD):
AnnaBridge 156:ff21514d8981 194 {
AnnaBridge 156:ff21514d8981 195 __bss_start__ = .;
AnnaBridge 156:ff21514d8981 196 *(.bss*)
AnnaBridge 156:ff21514d8981 197 *(COMMON)
AnnaBridge 156:ff21514d8981 198 __bss_end__ = .;
AnnaBridge 156:ff21514d8981 199 } > RAM
AnnaBridge 156:ff21514d8981 200
AnnaBridge 156:ff21514d8981 201 .heap (NOLOAD):
AnnaBridge 156:ff21514d8981 202 {
AnnaBridge 156:ff21514d8981 203 __end__ = .;
AnnaBridge 156:ff21514d8981 204 end = __end__;
AnnaBridge 156:ff21514d8981 205 *(.heap*);
AnnaBridge 156:ff21514d8981 206 . += 0x800;
AnnaBridge 156:ff21514d8981 207 __HeapLimit = .;
AnnaBridge 156:ff21514d8981 208 } > RAM
AnnaBridge 156:ff21514d8981 209 PROVIDE(__heap_size = SIZEOF(.heap));
AnnaBridge 156:ff21514d8981 210 PROVIDE(__mbed_sbrk_start = ADDR(.heap));
AnnaBridge 156:ff21514d8981 211 PROVIDE(__mbed_krbs_start = ADDR(.heap) + SIZEOF(.heap));
AnnaBridge 156:ff21514d8981 212
AnnaBridge 156:ff21514d8981 213 /* .stack section doesn't contains any symbols. It is only
AnnaBridge 156:ff21514d8981 214 * used for linker to reserve space for the main stack section
AnnaBridge 156:ff21514d8981 215 * WARNING: .stack should come immediately after the last secure memory
AnnaBridge 156:ff21514d8981 216 * section. This provides stack overflow detection. */
AnnaBridge 156:ff21514d8981 217 .stack (NOLOAD):
AnnaBridge 156:ff21514d8981 218 {
AnnaBridge 156:ff21514d8981 219 __StackLimit = .;
AnnaBridge 156:ff21514d8981 220 *(.stack*);
AnnaBridge 156:ff21514d8981 221 . += 0x800 - (. - __StackLimit);
AnnaBridge 156:ff21514d8981 222 } > RAM
AnnaBridge 156:ff21514d8981 223
AnnaBridge 156:ff21514d8981 224 /* Set stack top to end of RAM */
AnnaBridge 156:ff21514d8981 225 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 156:ff21514d8981 226 __StackLimit = __StackTop - SIZEOF(.stack);
AnnaBridge 156:ff21514d8981 227 PROVIDE(__stack = __StackTop);
AnnaBridge 156:ff21514d8981 228
AnnaBridge 156:ff21514d8981 229 }