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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_ARM_CM3DS_MPS2/TOOLCHAIN_GCC_ARM/MPS2.ld@165:d1b4690b3f8b, 2018-04-19 (annotated)

Committer:
AnnaBridge
Date:
Thu Apr 19 14:31:27 2018 +0100
Revision:
165:d1b4690b3f8b
Parent:
145:64910690c574
Child:
169:a7c7b631e539
mbed library. Release version 161

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 145:64910690c574 1 /*
AnnaBridge 165:d1b4690b3f8b 2 * Copyright (c) 2009-2018 ARM Limited. All rights reserved.
AnnaBridge 145:64910690c574 3 *
AnnaBridge 145:64910690c574 4 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 145:64910690c574 5 *
AnnaBridge 145:64910690c574 6 * Licensed under the Apache License, Version 2.0 (the License); you may
AnnaBridge 145:64910690c574 7 * not use this file except in compliance with the License.
AnnaBridge 145:64910690c574 8 * You may obtain a copy of the License at
AnnaBridge 145:64910690c574 9 *
AnnaBridge 145:64910690c574 10 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 145:64910690c574 11 *
AnnaBridge 145:64910690c574 12 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 145:64910690c574 13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
AnnaBridge 145:64910690c574 14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 145:64910690c574 15 * See the License for the specific language governing permissions and
AnnaBridge 145:64910690c574 16 * limitations under the License.
AnnaBridge 165:d1b4690b3f8b 17 *
AnnaBridge 145:64910690c574 18 * This file is derivative of CMSIS V5.00 gcc_arm.ld
AnnaBridge 165:d1b4690b3f8b 19 *
AnnaBridge 165:d1b4690b3f8b 20 * Linker script for mbed CM3DS on MPS2
AnnaBridge 145:64910690c574 21 */
AnnaBridge 145:64910690c574 22
AnnaBridge 165:d1b4690b3f8b 23 #include "../memory_zones.h"
AnnaBridge 165:d1b4690b3f8b 24 #include "../cmsis_nvic.h"
AnnaBridge 165:d1b4690b3f8b 25
AnnaBridge 145:64910690c574 26 MEMORY
AnnaBridge 145:64910690c574 27 {
AnnaBridge 165:d1b4690b3f8b 28 VECTORS (rx) : ORIGIN = FLASH_START, LENGTH = FLASH_SIZE
AnnaBridge 165:d1b4690b3f8b 29 FLASH (rx) : ORIGIN = ZBT_SSRAM1_START, LENGTH = ZBT_SSRAM1_SIZE
AnnaBridge 165:d1b4690b3f8b 30 RAM (rwx) : ORIGIN = ZBT_SSRAM23_START, LENGTH = ZBT_SSRAM23_SIZE
AnnaBridge 145:64910690c574 31 }
AnnaBridge 145:64910690c574 32
AnnaBridge 145:64910690c574 33 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 145:64910690c574 34 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 145:64910690c574 35 * It references following symbols, which must be defined in code:
AnnaBridge 145:64910690c574 36 * Reset_Handler : Entry of reset handler
AnnaBridge 145:64910690c574 37 *
AnnaBridge 145:64910690c574 38 * It defines following symbols, which code can use without definition:
AnnaBridge 145:64910690c574 39 * __exidx_start
AnnaBridge 145:64910690c574 40 * __exidx_end
AnnaBridge 145:64910690c574 41 * __etext
AnnaBridge 145:64910690c574 42 * __data_start__
AnnaBridge 145:64910690c574 43 * __preinit_array_start
AnnaBridge 145:64910690c574 44 * __preinit_array_end
AnnaBridge 145:64910690c574 45 * __init_array_start
AnnaBridge 145:64910690c574 46 * __init_array_end
AnnaBridge 145:64910690c574 47 * __fini_array_start
AnnaBridge 145:64910690c574 48 * __fini_array_end
AnnaBridge 145:64910690c574 49 * __data_end__
AnnaBridge 145:64910690c574 50 * __bss_start__
AnnaBridge 145:64910690c574 51 * __bss_end__
AnnaBridge 145:64910690c574 52 * __end__
AnnaBridge 145:64910690c574 53 * end
AnnaBridge 145:64910690c574 54 * __HeapLimit
AnnaBridge 145:64910690c574 55 * __StackLimit
AnnaBridge 145:64910690c574 56 * __StackTop
AnnaBridge 145:64910690c574 57 * __stack
AnnaBridge 145:64910690c574 58 */
AnnaBridge 145:64910690c574 59 ENTRY(Reset_Handler)
AnnaBridge 145:64910690c574 60
AnnaBridge 145:64910690c574 61 HEAP_SIZE = 0x4000;
AnnaBridge 145:64910690c574 62 STACK_SIZE = 0x1000;
AnnaBridge 145:64910690c574 63
AnnaBridge 145:64910690c574 64 /* Size of the vector table in SRAM */
AnnaBridge 165:d1b4690b3f8b 65 M_VECTOR_RAM_SIZE = NVIC_VECTORS_SIZE;
AnnaBridge 145:64910690c574 66
AnnaBridge 145:64910690c574 67 SECTIONS
AnnaBridge 145:64910690c574 68 {
AnnaBridge 145:64910690c574 69 .isr_vector :
AnnaBridge 145:64910690c574 70 {
AnnaBridge 145:64910690c574 71 __vector_table = .;
AnnaBridge 145:64910690c574 72 KEEP(*(.vector_table))
AnnaBridge 145:64910690c574 73 . = ALIGN(4);
AnnaBridge 145:64910690c574 74 } > VECTORS
AnnaBridge 145:64910690c574 75
AnnaBridge 145:64910690c574 76 .text :
AnnaBridge 145:64910690c574 77 {
AnnaBridge 145:64910690c574 78 . = ALIGN(4);
AnnaBridge 145:64910690c574 79 *(.text*)
AnnaBridge 145:64910690c574 80
AnnaBridge 145:64910690c574 81 KEEP(*(.init))
AnnaBridge 145:64910690c574 82 KEEP(*(.fini))
AnnaBridge 145:64910690c574 83
AnnaBridge 145:64910690c574 84 /* .ctors */
AnnaBridge 145:64910690c574 85 *crtbegin.o(.ctors)
AnnaBridge 145:64910690c574 86 *crtbegin?.o(.ctors)
AnnaBridge 145:64910690c574 87 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 145:64910690c574 88 *(SORT(.ctors.*))
AnnaBridge 145:64910690c574 89 *(.ctors)
AnnaBridge 145:64910690c574 90
AnnaBridge 145:64910690c574 91 /* .dtors */
AnnaBridge 145:64910690c574 92 *crtbegin.o(.dtors)
AnnaBridge 145:64910690c574 93 *crtbegin?.o(.dtors)
AnnaBridge 145:64910690c574 94 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 145:64910690c574 95 *(SORT(.dtors.*))
AnnaBridge 145:64910690c574 96 *(.dtors)
AnnaBridge 145:64910690c574 97
AnnaBridge 145:64910690c574 98 *(.rodata*)
AnnaBridge 145:64910690c574 99
AnnaBridge 145:64910690c574 100 KEEP(*(.eh_frame*))
AnnaBridge 145:64910690c574 101 } > FLASH
AnnaBridge 145:64910690c574 102
AnnaBridge 145:64910690c574 103 .ARM.extab :
AnnaBridge 145:64910690c574 104 {
AnnaBridge 145:64910690c574 105 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 145:64910690c574 106 } > FLASH
AnnaBridge 145:64910690c574 107
AnnaBridge 145:64910690c574 108 __exidx_start = .;
AnnaBridge 145:64910690c574 109 .ARM.exidx :
AnnaBridge 145:64910690c574 110 {
AnnaBridge 145:64910690c574 111 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 145:64910690c574 112 } > FLASH
AnnaBridge 145:64910690c574 113 __exidx_end = .;
AnnaBridge 145:64910690c574 114
AnnaBridge 145:64910690c574 115 .interrupts_ram :
AnnaBridge 145:64910690c574 116 {
AnnaBridge 145:64910690c574 117 . = ALIGN(4);
AnnaBridge 145:64910690c574 118 __VECTOR_RAM__ = .;
AnnaBridge 145:64910690c574 119 __interrupts_ram_start__ = .; /* Create a global symbol at data start */
AnnaBridge 145:64910690c574 120 . += M_VECTOR_RAM_SIZE;
AnnaBridge 145:64910690c574 121 . = ALIGN(4);
AnnaBridge 145:64910690c574 122 __interrupts_ram_end__ = .; /* Define a global symbol at data end */
AnnaBridge 145:64910690c574 123 } > RAM
AnnaBridge 145:64910690c574 124
AnnaBridge 145:64910690c574 125 .data :
AnnaBridge 145:64910690c574 126 {
AnnaBridge 145:64910690c574 127 PROVIDE(__etext = LOADADDR(.data));
AnnaBridge 145:64910690c574 128 . = ALIGN(4);
AnnaBridge 145:64910690c574 129 __data_start__ = .;
AnnaBridge 145:64910690c574 130 *(vtable)
AnnaBridge 145:64910690c574 131 *(.data)
AnnaBridge 145:64910690c574 132 *(.data*)
AnnaBridge 145:64910690c574 133
AnnaBridge 145:64910690c574 134 . = ALIGN(4);
AnnaBridge 145:64910690c574 135 /* preinit data */
AnnaBridge 145:64910690c574 136 PROVIDE (__preinit_array_start = .);
AnnaBridge 145:64910690c574 137 KEEP(*(.preinit_array))
AnnaBridge 145:64910690c574 138 PROVIDE (__preinit_array_end = .);
AnnaBridge 145:64910690c574 139
AnnaBridge 145:64910690c574 140 . = ALIGN(4);
AnnaBridge 145:64910690c574 141 /* init data */
AnnaBridge 145:64910690c574 142 PROVIDE (__init_array_start = .);
AnnaBridge 145:64910690c574 143 KEEP(*(SORT(.init_array.*)))
AnnaBridge 145:64910690c574 144 KEEP(*(.init_array))
AnnaBridge 145:64910690c574 145 PROVIDE (__init_array_end = .);
AnnaBridge 145:64910690c574 146
AnnaBridge 145:64910690c574 147
AnnaBridge 145:64910690c574 148 . = ALIGN(4);
AnnaBridge 145:64910690c574 149 /* finit data */
AnnaBridge 145:64910690c574 150 PROVIDE (__fini_array_start = .);
AnnaBridge 145:64910690c574 151 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 145:64910690c574 152 KEEP(*(.fini_array))
AnnaBridge 145:64910690c574 153 PROVIDE (__fini_array_end = .);
AnnaBridge 145:64910690c574 154
AnnaBridge 145:64910690c574 155 . = ALIGN(4);
AnnaBridge 145:64910690c574 156 /* All data end */
AnnaBridge 145:64910690c574 157 __data_end__ = .;
AnnaBridge 145:64910690c574 158
AnnaBridge 145:64910690c574 159 } > RAM AT > FLASH
AnnaBridge 145:64910690c574 160
AnnaBridge 145:64910690c574 161 .uninitialized (NOLOAD):
AnnaBridge 145:64910690c574 162 {
AnnaBridge 145:64910690c574 163 . = ALIGN(32);
AnnaBridge 145:64910690c574 164 __uninitialized_start = .;
AnnaBridge 145:64910690c574 165 *(.uninitialized)
AnnaBridge 145:64910690c574 166 KEEP(*(.keep.uninitialized))
AnnaBridge 145:64910690c574 167 . = ALIGN(32);
AnnaBridge 145:64910690c574 168 __uninitialized_end = .;
AnnaBridge 145:64910690c574 169 } > RAM
AnnaBridge 145:64910690c574 170
AnnaBridge 145:64910690c574 171 .bss :
AnnaBridge 145:64910690c574 172 {
AnnaBridge 145:64910690c574 173 . = ALIGN(4);
AnnaBridge 145:64910690c574 174 __START_BSS = .;
AnnaBridge 145:64910690c574 175 __bss_start__ = .;
AnnaBridge 145:64910690c574 176 *(.bss)
AnnaBridge 145:64910690c574 177 *(.bss*)
AnnaBridge 145:64910690c574 178 *(COMMON)
AnnaBridge 145:64910690c574 179 . = ALIGN(4);
AnnaBridge 145:64910690c574 180 __bss_end__ = .;
AnnaBridge 145:64910690c574 181 __END_BSS = .;
AnnaBridge 145:64910690c574 182
AnnaBridge 145:64910690c574 183 } > RAM
AnnaBridge 145:64910690c574 184
AnnaBridge 145:64910690c574 185 bss_size = __bss_end__ - __bss_start__;
AnnaBridge 145:64910690c574 186
AnnaBridge 145:64910690c574 187 .heap :
AnnaBridge 145:64910690c574 188 {
AnnaBridge 145:64910690c574 189 . = ALIGN(8);
AnnaBridge 145:64910690c574 190 __end__ = .;
AnnaBridge 145:64910690c574 191 PROVIDE(end = .);
AnnaBridge 145:64910690c574 192 __HeapBase = .;
AnnaBridge 145:64910690c574 193 . += HEAP_SIZE;
AnnaBridge 145:64910690c574 194 __HeapLimit = .;
AnnaBridge 145:64910690c574 195 __heap_limit = .; /* Add for _sbrk */
AnnaBridge 145:64910690c574 196 } > RAM
AnnaBridge 145:64910690c574 197
AnnaBridge 145:64910690c574 198 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 145:64910690c574 199 * size of stack_dummy section */
AnnaBridge 145:64910690c574 200 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 145:64910690c574 201 __StackLimit = __StackTop - STACK_SIZE;
AnnaBridge 145:64910690c574 202 PROVIDE(__stack = __StackTop);
AnnaBridge 145:64910690c574 203
AnnaBridge 145:64910690c574 204 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 145:64910690c574 205 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 145:64910690c574 206
AnnaBridge 145:64910690c574 207 } /* End of sections */