mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

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

TARGET_NUCLEO_F439ZI/TOOLCHAIN_GCC_ARM/STM32F439ZI.ld@171:3a7713b1edbc, 2018-11-08 (annotated)

Committer:
AnnaBridge
Date:
Thu Nov 08 11:45:42 2018 +0000
Revision:
171:3a7713b1edbc
Parent:
156:ff21514d8981
Child:
172:65be27845400
mbed library. Release version 164

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 #if !defined(MBED_APP_START)
AnnaBridge 156:ff21514d8981 2 #define MBED_APP_START 0x08000000
AnnaBridge 156:ff21514d8981 3 #endif
AnnaBridge 156:ff21514d8981 4
AnnaBridge 156:ff21514d8981 5 #if !defined(MBED_APP_SIZE)
AnnaBridge 156:ff21514d8981 6 #define MBED_APP_SIZE 2048k
AnnaBridge 156:ff21514d8981 7 #endif
AnnaBridge 156:ff21514d8981 8
AnnaBridge 156:ff21514d8981 9 /* Linker script to configure memory regions. */
AnnaBridge 171:3a7713b1edbc 10 /* 0x1AC resevered for vectors; 8-byte aligned = 0x1B0 (0x1AC + 0x4)*/
AnnaBridge 156:ff21514d8981 11 MEMORY
AnnaBridge 156:ff21514d8981 12 {
AnnaBridge 156:ff21514d8981 13 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
AnnaBridge 156:ff21514d8981 14 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
AnnaBridge 171:3a7713b1edbc 15 RAM (rwx) : ORIGIN = 0x200001B0, LENGTH = 192k - (0x1AC+0x4)
AnnaBridge 156:ff21514d8981 16 }
AnnaBridge 156:ff21514d8981 17
AnnaBridge 156:ff21514d8981 18 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 156:ff21514d8981 19 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 156:ff21514d8981 20 * It references following symbols, which must be defined in code:
AnnaBridge 156:ff21514d8981 21 * Reset_Handler : Entry of reset handler
AnnaBridge 156:ff21514d8981 22 *
AnnaBridge 156:ff21514d8981 23 * It defines following symbols, which code can use without definition:
AnnaBridge 156:ff21514d8981 24 * __exidx_start
AnnaBridge 156:ff21514d8981 25 * __exidx_end
AnnaBridge 156:ff21514d8981 26 * __etext
AnnaBridge 156:ff21514d8981 27 * __data_start__
AnnaBridge 156:ff21514d8981 28 * __preinit_array_start
AnnaBridge 156:ff21514d8981 29 * __preinit_array_end
AnnaBridge 156:ff21514d8981 30 * __init_array_start
AnnaBridge 156:ff21514d8981 31 * __init_array_end
AnnaBridge 156:ff21514d8981 32 * __fini_array_start
AnnaBridge 156:ff21514d8981 33 * __fini_array_end
AnnaBridge 156:ff21514d8981 34 * __data_end__
AnnaBridge 156:ff21514d8981 35 * __bss_start__
AnnaBridge 156:ff21514d8981 36 * __bss_end__
AnnaBridge 156:ff21514d8981 37 * __end__
AnnaBridge 156:ff21514d8981 38 * end
AnnaBridge 156:ff21514d8981 39 * __HeapLimit
AnnaBridge 156:ff21514d8981 40 * __StackLimit
AnnaBridge 156:ff21514d8981 41 * __StackTop
AnnaBridge 156:ff21514d8981 42 * __stack
AnnaBridge 156:ff21514d8981 43 * _estack
AnnaBridge 156:ff21514d8981 44 */
AnnaBridge 156:ff21514d8981 45 ENTRY(Reset_Handler)
AnnaBridge 156:ff21514d8981 46
AnnaBridge 156:ff21514d8981 47 SECTIONS
AnnaBridge 156:ff21514d8981 48 {
AnnaBridge 156:ff21514d8981 49 .text :
AnnaBridge 156:ff21514d8981 50 {
AnnaBridge 156:ff21514d8981 51 KEEP(*(.isr_vector))
AnnaBridge 156:ff21514d8981 52 *(.text*)
AnnaBridge 156:ff21514d8981 53 KEEP(*(.init))
AnnaBridge 156:ff21514d8981 54 KEEP(*(.fini))
AnnaBridge 156:ff21514d8981 55
AnnaBridge 156:ff21514d8981 56 /* .ctors */
AnnaBridge 156:ff21514d8981 57 *crtbegin.o(.ctors)
AnnaBridge 156:ff21514d8981 58 *crtbegin?.o(.ctors)
AnnaBridge 156:ff21514d8981 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 156:ff21514d8981 60 *(SORT(.ctors.*))
AnnaBridge 156:ff21514d8981 61 *(.ctors)
AnnaBridge 156:ff21514d8981 62
AnnaBridge 156:ff21514d8981 63 /* .dtors */
AnnaBridge 156:ff21514d8981 64 *crtbegin.o(.dtors)
AnnaBridge 156:ff21514d8981 65 *crtbegin?.o(.dtors)
AnnaBridge 156:ff21514d8981 66 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 156:ff21514d8981 67 *(SORT(.dtors.*))
AnnaBridge 156:ff21514d8981 68 *(.dtors)
AnnaBridge 156:ff21514d8981 69
AnnaBridge 156:ff21514d8981 70 *(.rodata*)
AnnaBridge 156:ff21514d8981 71
AnnaBridge 156:ff21514d8981 72 KEEP(*(.eh_frame*))
AnnaBridge 156:ff21514d8981 73 } > FLASH
AnnaBridge 156:ff21514d8981 74
AnnaBridge 156:ff21514d8981 75 .ARM.extab :
AnnaBridge 156:ff21514d8981 76 {
AnnaBridge 156:ff21514d8981 77 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 156:ff21514d8981 78 } > FLASH
AnnaBridge 156:ff21514d8981 79
AnnaBridge 156:ff21514d8981 80 __exidx_start = .;
AnnaBridge 156:ff21514d8981 81 .ARM.exidx :
AnnaBridge 156:ff21514d8981 82 {
AnnaBridge 156:ff21514d8981 83 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 156:ff21514d8981 84 } > FLASH
AnnaBridge 156:ff21514d8981 85 __exidx_end = .;
AnnaBridge 156:ff21514d8981 86
AnnaBridge 156:ff21514d8981 87 __etext = .;
AnnaBridge 156:ff21514d8981 88 _sidata = .;
AnnaBridge 156:ff21514d8981 89
AnnaBridge 156:ff21514d8981 90 .data : AT (__etext)
AnnaBridge 156:ff21514d8981 91 {
AnnaBridge 156:ff21514d8981 92 __data_start__ = .;
AnnaBridge 156:ff21514d8981 93 _sdata = .;
AnnaBridge 156:ff21514d8981 94 *(vtable)
AnnaBridge 156:ff21514d8981 95 *(.data*)
AnnaBridge 156:ff21514d8981 96
AnnaBridge 171:3a7713b1edbc 97 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 98 /* preinit data */
AnnaBridge 156:ff21514d8981 99 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 156:ff21514d8981 100 KEEP(*(.preinit_array))
AnnaBridge 156:ff21514d8981 101 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 156:ff21514d8981 102
AnnaBridge 171:3a7713b1edbc 103 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 104 /* init data */
AnnaBridge 156:ff21514d8981 105 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 156:ff21514d8981 106 KEEP(*(SORT(.init_array.*)))
AnnaBridge 156:ff21514d8981 107 KEEP(*(.init_array))
AnnaBridge 156:ff21514d8981 108 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 156:ff21514d8981 109
AnnaBridge 156:ff21514d8981 110
AnnaBridge 171:3a7713b1edbc 111 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 112 /* finit data */
AnnaBridge 156:ff21514d8981 113 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 156:ff21514d8981 114 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 156:ff21514d8981 115 KEEP(*(.fini_array))
AnnaBridge 156:ff21514d8981 116 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 156:ff21514d8981 117
AnnaBridge 156:ff21514d8981 118 KEEP(*(.jcr*))
AnnaBridge 171:3a7713b1edbc 119 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 120 /* All data end */
AnnaBridge 156:ff21514d8981 121 __data_end__ = .;
AnnaBridge 156:ff21514d8981 122 _edata = .;
AnnaBridge 156:ff21514d8981 123
AnnaBridge 156:ff21514d8981 124 } > RAM
AnnaBridge 156:ff21514d8981 125
AnnaBridge 156:ff21514d8981 126 .bss :
AnnaBridge 156:ff21514d8981 127 {
AnnaBridge 171:3a7713b1edbc 128 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 129 __bss_start__ = .;
AnnaBridge 156:ff21514d8981 130 _sbss = .;
AnnaBridge 156:ff21514d8981 131 *(.bss*)
AnnaBridge 156:ff21514d8981 132 *(COMMON)
AnnaBridge 171:3a7713b1edbc 133 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 134 __bss_end__ = .;
AnnaBridge 156:ff21514d8981 135 _ebss = .;
AnnaBridge 156:ff21514d8981 136 } > RAM
AnnaBridge 156:ff21514d8981 137
AnnaBridge 156:ff21514d8981 138 .heap (COPY):
AnnaBridge 156:ff21514d8981 139 {
AnnaBridge 156:ff21514d8981 140 __end__ = .;
AnnaBridge 156:ff21514d8981 141 end = __end__;
AnnaBridge 156:ff21514d8981 142 *(.heap*)
AnnaBridge 156:ff21514d8981 143 __HeapLimit = .;
AnnaBridge 156:ff21514d8981 144 } > RAM
AnnaBridge 156:ff21514d8981 145
AnnaBridge 156:ff21514d8981 146 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 156:ff21514d8981 147 * used for linker to calculate size of stack sections, and assign
AnnaBridge 156:ff21514d8981 148 * values to stack symbols later */
AnnaBridge 156:ff21514d8981 149 .stack_dummy (COPY):
AnnaBridge 156:ff21514d8981 150 {
AnnaBridge 156:ff21514d8981 151 *(.stack*)
AnnaBridge 156:ff21514d8981 152 } > RAM
AnnaBridge 156:ff21514d8981 153
AnnaBridge 156:ff21514d8981 154 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 156:ff21514d8981 155 * size of stack_dummy section */
AnnaBridge 156:ff21514d8981 156 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 156:ff21514d8981 157 _estack = __StackTop;
AnnaBridge 156:ff21514d8981 158 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 156:ff21514d8981 159 PROVIDE(__stack = __StackTop);
AnnaBridge 156:ff21514d8981 160
AnnaBridge 156:ff21514d8981 161 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 156:ff21514d8981 162 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 156:ff21514d8981 163 }