mbed official / mbed

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@157:e7ca05fa8600, 2017-11-09 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 09 11:14:10 2017 +0000
Revision:
157:e7ca05fa8600
Parent:
145:64910690c574
Child:
165:d1b4690b3f8b
Release 155 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 145:64910690c574 1 /*
AnnaBridge 145:64910690c574 2 * MPS2 CMSIS Library
AnnaBridge 145:64910690c574 3 */
AnnaBridge 145:64910690c574 4 /*
AnnaBridge 145:64910690c574 5 * Copyright (c) 2009-2017 ARM Limited. All rights reserved.
AnnaBridge 145:64910690c574 6 *
AnnaBridge 145:64910690c574 7 * SPDX-License-Identifier: Apache-2.0
AnnaBridge 145:64910690c574 8 *
AnnaBridge 145:64910690c574 9 * Licensed under the Apache License, Version 2.0 (the License); you may
AnnaBridge 145:64910690c574 10 * not use this file except in compliance with the License.
AnnaBridge 145:64910690c574 11 * You may obtain a copy of the License at
AnnaBridge 145:64910690c574 12 *
AnnaBridge 145:64910690c574 13 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 145:64910690c574 14 *
AnnaBridge 145:64910690c574 15 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 145:64910690c574 16 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
AnnaBridge 145:64910690c574 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 145:64910690c574 18 * See the License for the specific language governing permissions and
AnnaBridge 145:64910690c574 19 * limitations under the License.
AnnaBridge 145:64910690c574 20 */
AnnaBridge 145:64910690c574 21 /*
AnnaBridge 145:64910690c574 22 * This file is derivative of CMSIS V5.00 gcc_arm.ld
AnnaBridge 145:64910690c574 23 */
AnnaBridge 145:64910690c574 24 /* Linker script for mbed CM3DS on MPS2 */
AnnaBridge 145:64910690c574 25
AnnaBridge 145:64910690c574 26 /* Linker script to configure memory regions. */
AnnaBridge 145:64910690c574 27 /* The length of the VECTORS region is a bit larger than
AnnaBridge 145:64910690c574 28 * is necessary based on the number of exception handlers.
AnnaBridge 145:64910690c574 29 */
AnnaBridge 145:64910690c574 30 MEMORY
AnnaBridge 145:64910690c574 31 {
AnnaBridge 145:64910690c574 32 VECTORS (rx) : ORIGIN = 0x00000000, LENGTH = 0x00000400
AnnaBridge 145:64910690c574 33 FLASH (rx) : ORIGIN = 0x00000400, LENGTH = 0x00040000 - 0x00000400
AnnaBridge 145:64910690c574 34 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000
AnnaBridge 145:64910690c574 35 }
AnnaBridge 145:64910690c574 36
AnnaBridge 145:64910690c574 37 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 145:64910690c574 38 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 145:64910690c574 39 * It references following symbols, which must be defined in code:
AnnaBridge 145:64910690c574 40 * Reset_Handler : Entry of reset handler
AnnaBridge 145:64910690c574 41 *
AnnaBridge 145:64910690c574 42 * It defines following symbols, which code can use without definition:
AnnaBridge 145:64910690c574 43 * __exidx_start
AnnaBridge 145:64910690c574 44 * __exidx_end
AnnaBridge 145:64910690c574 45 * __etext
AnnaBridge 145:64910690c574 46 * __data_start__
AnnaBridge 145:64910690c574 47 * __preinit_array_start
AnnaBridge 145:64910690c574 48 * __preinit_array_end
AnnaBridge 145:64910690c574 49 * __init_array_start
AnnaBridge 145:64910690c574 50 * __init_array_end
AnnaBridge 145:64910690c574 51 * __fini_array_start
AnnaBridge 145:64910690c574 52 * __fini_array_end
AnnaBridge 145:64910690c574 53 * __data_end__
AnnaBridge 145:64910690c574 54 * __bss_start__
AnnaBridge 145:64910690c574 55 * __bss_end__
AnnaBridge 145:64910690c574 56 * __end__
AnnaBridge 145:64910690c574 57 * end
AnnaBridge 145:64910690c574 58 * __HeapLimit
AnnaBridge 145:64910690c574 59 * __StackLimit
AnnaBridge 145:64910690c574 60 * __StackTop
AnnaBridge 145:64910690c574 61 * __stack
AnnaBridge 145:64910690c574 62 */
AnnaBridge 145:64910690c574 63 ENTRY(Reset_Handler)
AnnaBridge 145:64910690c574 64
AnnaBridge 145:64910690c574 65 HEAP_SIZE = 0x4000;
AnnaBridge 145:64910690c574 66 STACK_SIZE = 0x1000;
AnnaBridge 145:64910690c574 67
AnnaBridge 145:64910690c574 68 /* Size of the vector table in SRAM */
AnnaBridge 145:64910690c574 69 M_VECTOR_RAM_SIZE = 0x140;
AnnaBridge 145:64910690c574 70
AnnaBridge 145:64910690c574 71 SECTIONS
AnnaBridge 145:64910690c574 72 {
AnnaBridge 145:64910690c574 73 .isr_vector :
AnnaBridge 145:64910690c574 74 {
AnnaBridge 145:64910690c574 75 __vector_table = .;
AnnaBridge 145:64910690c574 76 KEEP(*(.vector_table))
AnnaBridge 145:64910690c574 77 . = ALIGN(4);
AnnaBridge 145:64910690c574 78 } > VECTORS
AnnaBridge 145:64910690c574 79
AnnaBridge 145:64910690c574 80 .text :
AnnaBridge 145:64910690c574 81 {
AnnaBridge 145:64910690c574 82 . = ALIGN(4);
AnnaBridge 145:64910690c574 83 *(.text*)
AnnaBridge 145:64910690c574 84
AnnaBridge 145:64910690c574 85 KEEP(*(.init))
AnnaBridge 145:64910690c574 86 KEEP(*(.fini))
AnnaBridge 145:64910690c574 87
AnnaBridge 145:64910690c574 88 /* .ctors */
AnnaBridge 145:64910690c574 89 *crtbegin.o(.ctors)
AnnaBridge 145:64910690c574 90 *crtbegin?.o(.ctors)
AnnaBridge 145:64910690c574 91 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 145:64910690c574 92 *(SORT(.ctors.*))
AnnaBridge 145:64910690c574 93 *(.ctors)
AnnaBridge 145:64910690c574 94
AnnaBridge 145:64910690c574 95 /* .dtors */
AnnaBridge 145:64910690c574 96 *crtbegin.o(.dtors)
AnnaBridge 145:64910690c574 97 *crtbegin?.o(.dtors)
AnnaBridge 145:64910690c574 98 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 145:64910690c574 99 *(SORT(.dtors.*))
AnnaBridge 145:64910690c574 100 *(.dtors)
AnnaBridge 145:64910690c574 101
AnnaBridge 145:64910690c574 102 *(.rodata*)
AnnaBridge 145:64910690c574 103
AnnaBridge 145:64910690c574 104 KEEP(*(.eh_frame*))
AnnaBridge 145:64910690c574 105 } > FLASH
AnnaBridge 145:64910690c574 106
AnnaBridge 145:64910690c574 107 .ARM.extab :
AnnaBridge 145:64910690c574 108 {
AnnaBridge 145:64910690c574 109 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 145:64910690c574 110 } > FLASH
AnnaBridge 145:64910690c574 111
AnnaBridge 145:64910690c574 112 __exidx_start = .;
AnnaBridge 145:64910690c574 113 .ARM.exidx :
AnnaBridge 145:64910690c574 114 {
AnnaBridge 145:64910690c574 115 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 145:64910690c574 116 } > FLASH
AnnaBridge 145:64910690c574 117 __exidx_end = .;
AnnaBridge 145:64910690c574 118
AnnaBridge 145:64910690c574 119 .interrupts_ram :
AnnaBridge 145:64910690c574 120 {
AnnaBridge 145:64910690c574 121 . = ALIGN(4);
AnnaBridge 145:64910690c574 122 __VECTOR_RAM__ = .;
AnnaBridge 145:64910690c574 123 __interrupts_ram_start__ = .; /* Create a global symbol at data start */
AnnaBridge 145:64910690c574 124 . += M_VECTOR_RAM_SIZE;
AnnaBridge 145:64910690c574 125 . = ALIGN(4);
AnnaBridge 145:64910690c574 126 __interrupts_ram_end__ = .; /* Define a global symbol at data end */
AnnaBridge 145:64910690c574 127 } > RAM
AnnaBridge 145:64910690c574 128
AnnaBridge 145:64910690c574 129 .data :
AnnaBridge 145:64910690c574 130 {
AnnaBridge 145:64910690c574 131 PROVIDE(__etext = LOADADDR(.data));
AnnaBridge 145:64910690c574 132 . = ALIGN(4);
AnnaBridge 145:64910690c574 133 __data_start__ = .;
AnnaBridge 145:64910690c574 134 *(vtable)
AnnaBridge 145:64910690c574 135 *(.data)
AnnaBridge 145:64910690c574 136 *(.data*)
AnnaBridge 145:64910690c574 137
AnnaBridge 145:64910690c574 138 . = ALIGN(4);
AnnaBridge 145:64910690c574 139 /* preinit data */
AnnaBridge 145:64910690c574 140 PROVIDE (__preinit_array_start = .);
AnnaBridge 145:64910690c574 141 KEEP(*(.preinit_array))
AnnaBridge 145:64910690c574 142 PROVIDE (__preinit_array_end = .);
AnnaBridge 145:64910690c574 143
AnnaBridge 145:64910690c574 144 . = ALIGN(4);
AnnaBridge 145:64910690c574 145 /* init data */
AnnaBridge 145:64910690c574 146 PROVIDE (__init_array_start = .);
AnnaBridge 145:64910690c574 147 KEEP(*(SORT(.init_array.*)))
AnnaBridge 145:64910690c574 148 KEEP(*(.init_array))
AnnaBridge 145:64910690c574 149 PROVIDE (__init_array_end = .);
AnnaBridge 145:64910690c574 150
AnnaBridge 145:64910690c574 151
AnnaBridge 145:64910690c574 152 . = ALIGN(4);
AnnaBridge 145:64910690c574 153 /* finit data */
AnnaBridge 145:64910690c574 154 PROVIDE (__fini_array_start = .);
AnnaBridge 145:64910690c574 155 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 145:64910690c574 156 KEEP(*(.fini_array))
AnnaBridge 145:64910690c574 157 PROVIDE (__fini_array_end = .);
AnnaBridge 145:64910690c574 158
AnnaBridge 145:64910690c574 159 . = ALIGN(4);
AnnaBridge 145:64910690c574 160 /* All data end */
AnnaBridge 145:64910690c574 161 __data_end__ = .;
AnnaBridge 145:64910690c574 162
AnnaBridge 145:64910690c574 163 } > RAM AT > FLASH
AnnaBridge 145:64910690c574 164
AnnaBridge 145:64910690c574 165 .uninitialized (NOLOAD):
AnnaBridge 145:64910690c574 166 {
AnnaBridge 145:64910690c574 167 . = ALIGN(32);
AnnaBridge 145:64910690c574 168 __uninitialized_start = .;
AnnaBridge 145:64910690c574 169 *(.uninitialized)
AnnaBridge 145:64910690c574 170 KEEP(*(.keep.uninitialized))
AnnaBridge 145:64910690c574 171 . = ALIGN(32);
AnnaBridge 145:64910690c574 172 __uninitialized_end = .;
AnnaBridge 145:64910690c574 173 } > RAM
AnnaBridge 145:64910690c574 174
AnnaBridge 145:64910690c574 175 .bss :
AnnaBridge 145:64910690c574 176 {
AnnaBridge 145:64910690c574 177 . = ALIGN(4);
AnnaBridge 145:64910690c574 178 __START_BSS = .;
AnnaBridge 145:64910690c574 179 __bss_start__ = .;
AnnaBridge 145:64910690c574 180 *(.bss)
AnnaBridge 145:64910690c574 181 *(.bss*)
AnnaBridge 145:64910690c574 182 *(COMMON)
AnnaBridge 145:64910690c574 183 . = ALIGN(4);
AnnaBridge 145:64910690c574 184 __bss_end__ = .;
AnnaBridge 145:64910690c574 185 __END_BSS = .;
AnnaBridge 145:64910690c574 186
AnnaBridge 145:64910690c574 187 } > RAM
AnnaBridge 145:64910690c574 188
AnnaBridge 145:64910690c574 189 bss_size = __bss_end__ - __bss_start__;
AnnaBridge 145:64910690c574 190
AnnaBridge 145:64910690c574 191 .heap :
AnnaBridge 145:64910690c574 192 {
AnnaBridge 145:64910690c574 193 . = ALIGN(8);
AnnaBridge 145:64910690c574 194 __end__ = .;
AnnaBridge 145:64910690c574 195 PROVIDE(end = .);
AnnaBridge 145:64910690c574 196 __HeapBase = .;
AnnaBridge 145:64910690c574 197 . += HEAP_SIZE;
AnnaBridge 145:64910690c574 198 __HeapLimit = .;
AnnaBridge 145:64910690c574 199 __heap_limit = .; /* Add for _sbrk */
AnnaBridge 145:64910690c574 200 } > RAM
AnnaBridge 145:64910690c574 201
AnnaBridge 145:64910690c574 202 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 145:64910690c574 203 * size of stack_dummy section */
AnnaBridge 145:64910690c574 204 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 145:64910690c574 205 __StackLimit = __StackTop - STACK_SIZE;
AnnaBridge 145:64910690c574 206 PROVIDE(__stack = __StackTop);
AnnaBridge 145:64910690c574 207
AnnaBridge 145:64910690c574 208 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 145:64910690c574 209 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 145:64910690c574 210
AnnaBridge 145:64910690c574 211 } /* End of sections */