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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_NUCLEO_H743ZI/TOOLCHAIN_GCC_ARM/STM32H743xI.ld@172:65be27845400, 2019-02-20 (annotated)

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

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 172:65be27845400 1 /* Linker script to configure memory regions. */
AnnaBridge 172:65be27845400 2
AnnaBridge 172:65be27845400 3 #if !defined(MBED_APP_START)
AnnaBridge 172:65be27845400 4 #define MBED_APP_START 0x08000000
AnnaBridge 172:65be27845400 5 #endif
AnnaBridge 172:65be27845400 6
AnnaBridge 172:65be27845400 7 #if !defined(MBED_APP_SIZE)
AnnaBridge 172:65be27845400 8 #define MBED_APP_SIZE 2048K
AnnaBridge 172:65be27845400 9 #endif
AnnaBridge 172:65be27845400 10
AnnaBridge 172:65be27845400 11 M_CRASH_DATA_RAM_SIZE = 0x100;
AnnaBridge 172:65be27845400 12
AnnaBridge 172:65be27845400 13 MEMORY
AnnaBridge 172:65be27845400 14 {
AnnaBridge 172:65be27845400 15 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
AnnaBridge 172:65be27845400 16 RAM (rwx) : ORIGIN = 0x20000298, LENGTH = 128K - 0x298
AnnaBridge 172:65be27845400 17 }
AnnaBridge 172:65be27845400 18
AnnaBridge 172:65be27845400 19 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 172:65be27845400 20 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 172:65be27845400 21 * It references following symbols, which must be defined in code:
AnnaBridge 172:65be27845400 22 * Reset_Handler : Entry of reset handler
AnnaBridge 172:65be27845400 23 *
AnnaBridge 172:65be27845400 24 * It defines following symbols, which code can use without definition:
AnnaBridge 172:65be27845400 25 * __exidx_start
AnnaBridge 172:65be27845400 26 * __exidx_end
AnnaBridge 172:65be27845400 27 * __etext
AnnaBridge 172:65be27845400 28 * __data_start__
AnnaBridge 172:65be27845400 29 * __preinit_array_start
AnnaBridge 172:65be27845400 30 * __preinit_array_end
AnnaBridge 172:65be27845400 31 * __init_array_start
AnnaBridge 172:65be27845400 32 * __init_array_end
AnnaBridge 172:65be27845400 33 * __fini_array_start
AnnaBridge 172:65be27845400 34 * __fini_array_end
AnnaBridge 172:65be27845400 35 * __data_end__
AnnaBridge 172:65be27845400 36 * __bss_start__
AnnaBridge 172:65be27845400 37 * __bss_end__
AnnaBridge 172:65be27845400 38 * __end__
AnnaBridge 172:65be27845400 39 * end
AnnaBridge 172:65be27845400 40 * __HeapLimit
AnnaBridge 172:65be27845400 41 * __StackLimit
AnnaBridge 172:65be27845400 42 * __StackTop
AnnaBridge 172:65be27845400 43 * __stack
AnnaBridge 172:65be27845400 44 * _estack
AnnaBridge 172:65be27845400 45 */
AnnaBridge 172:65be27845400 46 ENTRY(Reset_Handler)
AnnaBridge 172:65be27845400 47
AnnaBridge 172:65be27845400 48 SECTIONS
AnnaBridge 172:65be27845400 49 {
AnnaBridge 172:65be27845400 50 .text :
AnnaBridge 172:65be27845400 51 {
AnnaBridge 172:65be27845400 52 KEEP(*(.isr_vector))
AnnaBridge 172:65be27845400 53 *(.text*)
AnnaBridge 172:65be27845400 54 KEEP(*(.init))
AnnaBridge 172:65be27845400 55 KEEP(*(.fini))
AnnaBridge 172:65be27845400 56
AnnaBridge 172:65be27845400 57 /* .ctors */
AnnaBridge 172:65be27845400 58 *crtbegin.o(.ctors)
AnnaBridge 172:65be27845400 59 *crtbegin?.o(.ctors)
AnnaBridge 172:65be27845400 60 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 172:65be27845400 61 *(SORT(.ctors.*))
AnnaBridge 172:65be27845400 62 *(.ctors)
AnnaBridge 172:65be27845400 63
AnnaBridge 172:65be27845400 64 /* .dtors */
AnnaBridge 172:65be27845400 65 *crtbegin.o(.dtors)
AnnaBridge 172:65be27845400 66 *crtbegin?.o(.dtors)
AnnaBridge 172:65be27845400 67 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 172:65be27845400 68 *(SORT(.dtors.*))
AnnaBridge 172:65be27845400 69 *(.dtors)
AnnaBridge 172:65be27845400 70
AnnaBridge 172:65be27845400 71 *(.rodata*)
AnnaBridge 172:65be27845400 72
AnnaBridge 172:65be27845400 73 KEEP(*(.eh_frame*))
AnnaBridge 172:65be27845400 74 } > FLASH
AnnaBridge 172:65be27845400 75
AnnaBridge 172:65be27845400 76 .ARM.extab :
AnnaBridge 172:65be27845400 77 {
AnnaBridge 172:65be27845400 78 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 172:65be27845400 79 } > FLASH
AnnaBridge 172:65be27845400 80
AnnaBridge 172:65be27845400 81 __exidx_start = .;
AnnaBridge 172:65be27845400 82 .ARM.exidx :
AnnaBridge 172:65be27845400 83 {
AnnaBridge 172:65be27845400 84 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 172:65be27845400 85 } > FLASH
AnnaBridge 172:65be27845400 86 __exidx_end = .;
AnnaBridge 172:65be27845400 87
AnnaBridge 172:65be27845400 88 __etext = .;
AnnaBridge 172:65be27845400 89 _sidata = .;
AnnaBridge 172:65be27845400 90
AnnaBridge 172:65be27845400 91 .crash_data_ram :
AnnaBridge 172:65be27845400 92 {
AnnaBridge 172:65be27845400 93 . = ALIGN(8);
AnnaBridge 172:65be27845400 94 __CRASH_DATA_RAM__ = .;
AnnaBridge 172:65be27845400 95 __CRASH_DATA_RAM_START__ = .; /* Create a global symbol at data start */
AnnaBridge 172:65be27845400 96 KEEP(*(.keep.crash_data_ram))
AnnaBridge 172:65be27845400 97 *(.m_crash_data_ram) /* This is a user defined section */
AnnaBridge 172:65be27845400 98 . += M_CRASH_DATA_RAM_SIZE;
AnnaBridge 172:65be27845400 99 . = ALIGN(8);
AnnaBridge 172:65be27845400 100 __CRASH_DATA_RAM_END__ = .; /* Define a global symbol at data end */
AnnaBridge 172:65be27845400 101 } > RAM
AnnaBridge 172:65be27845400 102
AnnaBridge 172:65be27845400 103 .data : AT (__etext)
AnnaBridge 172:65be27845400 104 {
AnnaBridge 172:65be27845400 105 __data_start__ = .;
AnnaBridge 172:65be27845400 106 _sdata = .;
AnnaBridge 172:65be27845400 107 *(vtable)
AnnaBridge 172:65be27845400 108 *(.data*)
AnnaBridge 172:65be27845400 109
AnnaBridge 172:65be27845400 110 . = ALIGN(8);
AnnaBridge 172:65be27845400 111 /* preinit data */
AnnaBridge 172:65be27845400 112 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 172:65be27845400 113 KEEP(*(.preinit_array))
AnnaBridge 172:65be27845400 114 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 172:65be27845400 115
AnnaBridge 172:65be27845400 116 . = ALIGN(8);
AnnaBridge 172:65be27845400 117 /* init data */
AnnaBridge 172:65be27845400 118 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 172:65be27845400 119 KEEP(*(SORT(.init_array.*)))
AnnaBridge 172:65be27845400 120 KEEP(*(.init_array))
AnnaBridge 172:65be27845400 121 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 172:65be27845400 122
AnnaBridge 172:65be27845400 123
AnnaBridge 172:65be27845400 124 . = ALIGN(8);
AnnaBridge 172:65be27845400 125 /* finit data */
AnnaBridge 172:65be27845400 126 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 172:65be27845400 127 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 172:65be27845400 128 KEEP(*(.fini_array))
AnnaBridge 172:65be27845400 129 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 172:65be27845400 130
AnnaBridge 172:65be27845400 131 KEEP(*(.jcr*))
AnnaBridge 172:65be27845400 132 . = ALIGN(8);
AnnaBridge 172:65be27845400 133 /* All data end */
AnnaBridge 172:65be27845400 134 __data_end__ = .;
AnnaBridge 172:65be27845400 135 _edata = .;
AnnaBridge 172:65be27845400 136
AnnaBridge 172:65be27845400 137 } > RAM
AnnaBridge 172:65be27845400 138
AnnaBridge 172:65be27845400 139 .bss :
AnnaBridge 172:65be27845400 140 {
AnnaBridge 172:65be27845400 141 . = ALIGN(8);
AnnaBridge 172:65be27845400 142 __bss_start__ = .;
AnnaBridge 172:65be27845400 143 _sbss = .;
AnnaBridge 172:65be27845400 144 *(.bss*)
AnnaBridge 172:65be27845400 145 *(COMMON)
AnnaBridge 172:65be27845400 146 . = ALIGN(8);
AnnaBridge 172:65be27845400 147 __bss_end__ = .;
AnnaBridge 172:65be27845400 148 _ebss = .;
AnnaBridge 172:65be27845400 149 } > RAM
AnnaBridge 172:65be27845400 150
AnnaBridge 172:65be27845400 151 .heap (COPY):
AnnaBridge 172:65be27845400 152 {
AnnaBridge 172:65be27845400 153 __end__ = .;
AnnaBridge 172:65be27845400 154 end = __end__;
AnnaBridge 172:65be27845400 155 *(.heap*)
AnnaBridge 172:65be27845400 156 __HeapLimit = .;
AnnaBridge 172:65be27845400 157 } > RAM
AnnaBridge 172:65be27845400 158
AnnaBridge 172:65be27845400 159 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 172:65be27845400 160 * used for linker to calculate size of stack sections, and assign
AnnaBridge 172:65be27845400 161 * values to stack symbols later */
AnnaBridge 172:65be27845400 162 .stack_dummy (COPY):
AnnaBridge 172:65be27845400 163 {
AnnaBridge 172:65be27845400 164 *(.stack*)
AnnaBridge 172:65be27845400 165 } > RAM
AnnaBridge 172:65be27845400 166
AnnaBridge 172:65be27845400 167 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 172:65be27845400 168 * size of stack_dummy section */
AnnaBridge 172:65be27845400 169 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 172:65be27845400 170 _estack = __StackTop;
AnnaBridge 172:65be27845400 171 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 172:65be27845400 172 PROVIDE(__stack = __StackTop);
AnnaBridge 172:65be27845400 173
AnnaBridge 172:65be27845400 174 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 172:65be27845400 175 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 172:65be27845400 176 }