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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_F429ZI/TOOLCHAIN_GCC_ARM/STM32F429xI.ld@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

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 172:65be27845400 9 M_CRASH_DATA_RAM_SIZE = 0x100;
AnnaBridge 172:65be27845400 10
AnnaBridge 172:65be27845400 11 /* Linker script to configure memory regions. */
AnnaBridge 172:65be27845400 12 /* 0x1AC resevered for vectors; 8-byte aligned = 0x1B0 (0x1AC + 0x4)*/
AnnaBridge 156:ff21514d8981 13 MEMORY
AnnaBridge 172:65be27845400 14 {
AnnaBridge 172:65be27845400 15 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
AnnaBridge 172:65be27845400 16 CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
AnnaBridge 172:65be27845400 17 RAM (rwx) : ORIGIN = 0x200001B0, LENGTH = 192k - (0x1AC+0x4)
AnnaBridge 156:ff21514d8981 18 }
AnnaBridge 156:ff21514d8981 19
AnnaBridge 156:ff21514d8981 20 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 156:ff21514d8981 21 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 156:ff21514d8981 22 * It references following symbols, which must be defined in code:
AnnaBridge 156:ff21514d8981 23 * Reset_Handler : Entry of reset handler
AnnaBridge 156:ff21514d8981 24 *
AnnaBridge 156:ff21514d8981 25 * It defines following symbols, which code can use without definition:
AnnaBridge 156:ff21514d8981 26 * __exidx_start
AnnaBridge 156:ff21514d8981 27 * __exidx_end
AnnaBridge 156:ff21514d8981 28 * __etext
AnnaBridge 156:ff21514d8981 29 * __data_start__
AnnaBridge 156:ff21514d8981 30 * __preinit_array_start
AnnaBridge 156:ff21514d8981 31 * __preinit_array_end
AnnaBridge 156:ff21514d8981 32 * __init_array_start
AnnaBridge 156:ff21514d8981 33 * __init_array_end
AnnaBridge 156:ff21514d8981 34 * __fini_array_start
AnnaBridge 156:ff21514d8981 35 * __fini_array_end
AnnaBridge 156:ff21514d8981 36 * __data_end__
AnnaBridge 156:ff21514d8981 37 * __bss_start__
AnnaBridge 156:ff21514d8981 38 * __bss_end__
AnnaBridge 156:ff21514d8981 39 * __end__
AnnaBridge 156:ff21514d8981 40 * end
AnnaBridge 156:ff21514d8981 41 * __HeapLimit
AnnaBridge 156:ff21514d8981 42 * __StackLimit
AnnaBridge 156:ff21514d8981 43 * __StackTop
AnnaBridge 156:ff21514d8981 44 * __stack
AnnaBridge 156:ff21514d8981 45 * _estack
AnnaBridge 156:ff21514d8981 46 */
AnnaBridge 156:ff21514d8981 47 ENTRY(Reset_Handler)
AnnaBridge 156:ff21514d8981 48
AnnaBridge 156:ff21514d8981 49 SECTIONS
AnnaBridge 156:ff21514d8981 50 {
AnnaBridge 171:3a7713b1edbc 51 .text :
AnnaBridge 156:ff21514d8981 52 {
AnnaBridge 172:65be27845400 53 KEEP(*(.isr_vector))
AnnaBridge 156:ff21514d8981 54 *(.text*)
AnnaBridge 156:ff21514d8981 55 KEEP(*(.init))
AnnaBridge 156:ff21514d8981 56 KEEP(*(.fini))
AnnaBridge 156:ff21514d8981 57
AnnaBridge 156:ff21514d8981 58 /* .ctors */
AnnaBridge 156:ff21514d8981 59 *crtbegin.o(.ctors)
AnnaBridge 156:ff21514d8981 60 *crtbegin?.o(.ctors)
AnnaBridge 156:ff21514d8981 61 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 156:ff21514d8981 62 *(SORT(.ctors.*))
AnnaBridge 156:ff21514d8981 63 *(.ctors)
AnnaBridge 156:ff21514d8981 64
AnnaBridge 156:ff21514d8981 65 /* .dtors */
AnnaBridge 156:ff21514d8981 66 *crtbegin.o(.dtors)
AnnaBridge 156:ff21514d8981 67 *crtbegin?.o(.dtors)
AnnaBridge 156:ff21514d8981 68 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 156:ff21514d8981 69 *(SORT(.dtors.*))
AnnaBridge 156:ff21514d8981 70 *(.dtors)
AnnaBridge 156:ff21514d8981 71
AnnaBridge 156:ff21514d8981 72 *(.rodata*)
AnnaBridge 156:ff21514d8981 73
AnnaBridge 156:ff21514d8981 74 KEEP(*(.eh_frame*))
AnnaBridge 156:ff21514d8981 75 } > FLASH
AnnaBridge 156:ff21514d8981 76
AnnaBridge 156:ff21514d8981 77 .ARM.extab :
AnnaBridge 156:ff21514d8981 78 {
AnnaBridge 156:ff21514d8981 79 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 156:ff21514d8981 80 } > FLASH
AnnaBridge 156:ff21514d8981 81
AnnaBridge 156:ff21514d8981 82 __exidx_start = .;
AnnaBridge 156:ff21514d8981 83 .ARM.exidx :
AnnaBridge 156:ff21514d8981 84 {
AnnaBridge 156:ff21514d8981 85 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 156:ff21514d8981 86 } > FLASH
AnnaBridge 156:ff21514d8981 87 __exidx_end = .;
AnnaBridge 156:ff21514d8981 88
AnnaBridge 156:ff21514d8981 89 __etext = .;
AnnaBridge 156:ff21514d8981 90 _sidata = .;
AnnaBridge 172:65be27845400 91
AnnaBridge 172:65be27845400 92 .crash_data_ram :
AnnaBridge 156:ff21514d8981 93 {
AnnaBridge 171:3a7713b1edbc 94 . = ALIGN(8);
AnnaBridge 172:65be27845400 95 __CRASH_DATA_RAM__ = .;
AnnaBridge 172:65be27845400 96 __CRASH_DATA_RAM_START__ = .; /* Create a global symbol at data start */
AnnaBridge 172:65be27845400 97 KEEP(*(.keep.crash_data_ram))
AnnaBridge 172:65be27845400 98 *(.m_crash_data_ram) /* This is a user defined section */
AnnaBridge 172:65be27845400 99 . += M_CRASH_DATA_RAM_SIZE;
AnnaBridge 171:3a7713b1edbc 100 . = ALIGN(8);
AnnaBridge 172:65be27845400 101 __CRASH_DATA_RAM_END__ = .; /* Define a global symbol at data end */
AnnaBridge 172:65be27845400 102 } > RAM
AnnaBridge 156:ff21514d8981 103
AnnaBridge 172:65be27845400 104 .data : AT (__etext)
AnnaBridge 156:ff21514d8981 105 {
AnnaBridge 156:ff21514d8981 106 __data_start__ = .;
AnnaBridge 156:ff21514d8981 107 _sdata = .;
AnnaBridge 156:ff21514d8981 108 *(vtable)
AnnaBridge 156:ff21514d8981 109 *(.data*)
AnnaBridge 156:ff21514d8981 110
AnnaBridge 171:3a7713b1edbc 111 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 112 /* preinit data */
AnnaBridge 156:ff21514d8981 113 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 156:ff21514d8981 114 KEEP(*(.preinit_array))
AnnaBridge 156:ff21514d8981 115 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 156:ff21514d8981 116
AnnaBridge 171:3a7713b1edbc 117 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 118 /* init data */
AnnaBridge 156:ff21514d8981 119 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 156:ff21514d8981 120 KEEP(*(SORT(.init_array.*)))
AnnaBridge 156:ff21514d8981 121 KEEP(*(.init_array))
AnnaBridge 156:ff21514d8981 122 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 156:ff21514d8981 123
AnnaBridge 156:ff21514d8981 124
AnnaBridge 171:3a7713b1edbc 125 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 126 /* finit data */
AnnaBridge 156:ff21514d8981 127 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 156:ff21514d8981 128 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 156:ff21514d8981 129 KEEP(*(.fini_array))
AnnaBridge 156:ff21514d8981 130 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 156:ff21514d8981 131
AnnaBridge 156:ff21514d8981 132 KEEP(*(.jcr*))
AnnaBridge 171:3a7713b1edbc 133 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 134 /* All data end */
AnnaBridge 156:ff21514d8981 135 __data_end__ = .;
AnnaBridge 156:ff21514d8981 136 _edata = .;
AnnaBridge 156:ff21514d8981 137
AnnaBridge 156:ff21514d8981 138 } > RAM
AnnaBridge 156:ff21514d8981 139
AnnaBridge 172:65be27845400 140 .bss :
AnnaBridge 156:ff21514d8981 141 {
AnnaBridge 171:3a7713b1edbc 142 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 143 __bss_start__ = .;
AnnaBridge 156:ff21514d8981 144 _sbss = .;
AnnaBridge 156:ff21514d8981 145 *(.bss*)
AnnaBridge 156:ff21514d8981 146 *(COMMON)
AnnaBridge 171:3a7713b1edbc 147 . = ALIGN(8);
AnnaBridge 156:ff21514d8981 148 __bss_end__ = .;
AnnaBridge 156:ff21514d8981 149 _ebss = .;
AnnaBridge 156:ff21514d8981 150 } > RAM
AnnaBridge 156:ff21514d8981 151
AnnaBridge 172:65be27845400 152 .heap (COPY):
AnnaBridge 156:ff21514d8981 153 {
AnnaBridge 156:ff21514d8981 154 __end__ = .;
AnnaBridge 156:ff21514d8981 155 end = __end__;
AnnaBridge 172:65be27845400 156 *(.heap*)
AnnaBridge 156:ff21514d8981 157 __HeapLimit = .;
AnnaBridge 156:ff21514d8981 158 } > RAM
AnnaBridge 156:ff21514d8981 159
AnnaBridge 172:65be27845400 160 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 172:65be27845400 161 * used for linker to calculate size of stack sections, and assign
AnnaBridge 172:65be27845400 162 * values to stack symbols later */
AnnaBridge 172:65be27845400 163 .stack_dummy (COPY):
AnnaBridge 172:65be27845400 164 {
AnnaBridge 172:65be27845400 165 *(.stack*)
AnnaBridge 172:65be27845400 166 } > RAM
AnnaBridge 156:ff21514d8981 167
AnnaBridge 172:65be27845400 168 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 172:65be27845400 169 * size of stack_dummy section */
AnnaBridge 172:65be27845400 170 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 172:65be27845400 171 _estack = __StackTop;
AnnaBridge 172:65be27845400 172 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 172:65be27845400 173 PROVIDE(__stack = __StackTop);
AnnaBridge 156:ff21514d8981 174
AnnaBridge 172:65be27845400 175 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 172:65be27845400 176 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 156:ff21514d8981 177 }