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_DISCO_L475VG_IOT01A/TOOLCHAIN_GCC_ARM/STM32L475XX.ld@147:a97add6d7e64, 2017-07-19 (annotated)

Committer:
Kojto
Date:
Wed Jul 19 16:46:19 2017 +0100
Revision:
147:a97add6d7e64
Parent:
146:22da6e220af6 
Release 147 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 146:22da6e220af6 1 #if !defined(MBED_APP_START)
AnnaBridge 146:22da6e220af6 2 #define MBED_APP_START 0x08000000
AnnaBridge 146:22da6e220af6 3 #endif
AnnaBridge 146:22da6e220af6 4
AnnaBridge 146:22da6e220af6 5 #if !defined(MBED_APP_SIZE)
AnnaBridge 146:22da6e220af6 6 #define MBED_APP_SIZE 1024k
AnnaBridge 146:22da6e220af6 7 #endif
AnnaBridge 146:22da6e220af6 8
AnnaBridge 145:64910690c574 9 /* Linker script to configure memory regions. */
AnnaBridge 145:64910690c574 10 MEMORY
AnnaBridge 145:64910690c574 11 {
AnnaBridge 146:22da6e220af6 12 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
AnnaBridge 145:64910690c574 13 SRAM2 (rwx) : ORIGIN = 0x10000188, LENGTH = 32k - 0x188
AnnaBridge 145:64910690c574 14 SRAM1 (rwx) : ORIGIN = 0x20000000, LENGTH = 96k
AnnaBridge 145:64910690c574 15 }
AnnaBridge 145:64910690c574 16
AnnaBridge 145:64910690c574 17 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 145:64910690c574 18 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 145:64910690c574 19 * It references following symbols, which must be defined in code:
AnnaBridge 145:64910690c574 20 * Reset_Handler : Entry of reset handler
AnnaBridge 145:64910690c574 21 *
AnnaBridge 145:64910690c574 22 * It defines following symbols, which code can use without definition:
AnnaBridge 145:64910690c574 23 * __exidx_start
AnnaBridge 145:64910690c574 24 * __exidx_end
AnnaBridge 145:64910690c574 25 * __etext
AnnaBridge 145:64910690c574 26 * __data_start__
AnnaBridge 145:64910690c574 27 * __preinit_array_start
AnnaBridge 145:64910690c574 28 * __preinit_array_end
AnnaBridge 145:64910690c574 29 * __init_array_start
AnnaBridge 145:64910690c574 30 * __init_array_end
AnnaBridge 145:64910690c574 31 * __fini_array_start
AnnaBridge 145:64910690c574 32 * __fini_array_end
AnnaBridge 145:64910690c574 33 * __data_end__
AnnaBridge 145:64910690c574 34 * __bss_start__
AnnaBridge 145:64910690c574 35 * __bss_end__
AnnaBridge 145:64910690c574 36 * __end__
AnnaBridge 145:64910690c574 37 * end
AnnaBridge 145:64910690c574 38 * __HeapLimit
AnnaBridge 145:64910690c574 39 * __StackLimit
AnnaBridge 145:64910690c574 40 * __StackTop
AnnaBridge 145:64910690c574 41 * __stack
AnnaBridge 145:64910690c574 42 * _estack
AnnaBridge 145:64910690c574 43 */
AnnaBridge 145:64910690c574 44 ENTRY(Reset_Handler)
AnnaBridge 145:64910690c574 45
AnnaBridge 145:64910690c574 46 SECTIONS
AnnaBridge 145:64910690c574 47 {
AnnaBridge 145:64910690c574 48 .text :
AnnaBridge 145:64910690c574 49 {
AnnaBridge 145:64910690c574 50 KEEP(*(.isr_vector))
AnnaBridge 145:64910690c574 51 *(.text*)
AnnaBridge 145:64910690c574 52 KEEP(*(.init))
AnnaBridge 145:64910690c574 53 KEEP(*(.fini))
AnnaBridge 145:64910690c574 54
AnnaBridge 145:64910690c574 55 /* .ctors */
AnnaBridge 145:64910690c574 56 *crtbegin.o(.ctors)
AnnaBridge 145:64910690c574 57 *crtbegin?.o(.ctors)
AnnaBridge 145:64910690c574 58 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 145:64910690c574 59 *(SORT(.ctors.*))
AnnaBridge 145:64910690c574 60 *(.ctors)
AnnaBridge 145:64910690c574 61
AnnaBridge 145:64910690c574 62 /* .dtors */
AnnaBridge 145:64910690c574 63 *crtbegin.o(.dtors)
AnnaBridge 145:64910690c574 64 *crtbegin?.o(.dtors)
AnnaBridge 145:64910690c574 65 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 145:64910690c574 66 *(SORT(.dtors.*))
AnnaBridge 145:64910690c574 67 *(.dtors)
AnnaBridge 145:64910690c574 68
AnnaBridge 145:64910690c574 69 *(.rodata*)
AnnaBridge 145:64910690c574 70
AnnaBridge 145:64910690c574 71 KEEP(*(.eh_frame*))
AnnaBridge 145:64910690c574 72 } > FLASH
AnnaBridge 145:64910690c574 73
AnnaBridge 145:64910690c574 74 .ARM.extab :
AnnaBridge 145:64910690c574 75 {
AnnaBridge 145:64910690c574 76 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 145:64910690c574 77 } > FLASH
AnnaBridge 145:64910690c574 78
AnnaBridge 145:64910690c574 79 __exidx_start = .;
AnnaBridge 145:64910690c574 80 .ARM.exidx :
AnnaBridge 145:64910690c574 81 {
AnnaBridge 145:64910690c574 82 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 145:64910690c574 83 } > FLASH
AnnaBridge 145:64910690c574 84 __exidx_end = .;
AnnaBridge 145:64910690c574 85
AnnaBridge 145:64910690c574 86 __etext = .;
AnnaBridge 145:64910690c574 87 _sidata = .;
AnnaBridge 145:64910690c574 88
AnnaBridge 145:64910690c574 89 .data : AT (__etext)
AnnaBridge 145:64910690c574 90 {
AnnaBridge 145:64910690c574 91 __data_start__ = .;
AnnaBridge 145:64910690c574 92 _sdata = .;
AnnaBridge 145:64910690c574 93 *(vtable)
AnnaBridge 145:64910690c574 94 *(.data*)
AnnaBridge 145:64910690c574 95
AnnaBridge 145:64910690c574 96 . = ALIGN(4);
AnnaBridge 145:64910690c574 97 /* preinit data */
AnnaBridge 145:64910690c574 98 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 145:64910690c574 99 KEEP(*(.preinit_array))
AnnaBridge 145:64910690c574 100 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 145:64910690c574 101
AnnaBridge 145:64910690c574 102 . = ALIGN(4);
AnnaBridge 145:64910690c574 103 /* init data */
AnnaBridge 145:64910690c574 104 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 145:64910690c574 105 KEEP(*(SORT(.init_array.*)))
AnnaBridge 145:64910690c574 106 KEEP(*(.init_array))
AnnaBridge 145:64910690c574 107 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 145:64910690c574 108
AnnaBridge 145:64910690c574 109
AnnaBridge 145:64910690c574 110 . = ALIGN(4);
AnnaBridge 145:64910690c574 111 /* finit data */
AnnaBridge 145:64910690c574 112 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 145:64910690c574 113 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 145:64910690c574 114 KEEP(*(.fini_array))
AnnaBridge 145:64910690c574 115 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 145:64910690c574 116
AnnaBridge 145:64910690c574 117 KEEP(*(.jcr*))
AnnaBridge 145:64910690c574 118 . = ALIGN(4);
AnnaBridge 145:64910690c574 119 /* All data end */
AnnaBridge 145:64910690c574 120 __data_end__ = .;
AnnaBridge 145:64910690c574 121 _edata = .;
AnnaBridge 145:64910690c574 122
AnnaBridge 145:64910690c574 123 } > SRAM1
AnnaBridge 145:64910690c574 124
AnnaBridge 145:64910690c574 125 .bss :
AnnaBridge 145:64910690c574 126 {
AnnaBridge 145:64910690c574 127 . = ALIGN(4);
AnnaBridge 145:64910690c574 128 __bss_start__ = .;
AnnaBridge 145:64910690c574 129 _sbss = .;
AnnaBridge 145:64910690c574 130 *(.bss*)
AnnaBridge 145:64910690c574 131 *(COMMON)
AnnaBridge 145:64910690c574 132 . = ALIGN(4);
AnnaBridge 145:64910690c574 133 __bss_end__ = .;
AnnaBridge 145:64910690c574 134 _ebss = .;
AnnaBridge 145:64910690c574 135 } > SRAM1
AnnaBridge 145:64910690c574 136
AnnaBridge 145:64910690c574 137 .heap (COPY):
AnnaBridge 145:64910690c574 138 {
AnnaBridge 145:64910690c574 139 __end__ = .;
AnnaBridge 145:64910690c574 140 end = __end__;
AnnaBridge 145:64910690c574 141 *(.heap*)
AnnaBridge 145:64910690c574 142 __HeapLimit = .;
AnnaBridge 145:64910690c574 143 } > SRAM1
AnnaBridge 145:64910690c574 144
AnnaBridge 145:64910690c574 145 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 145:64910690c574 146 * used for linker to calculate size of stack sections, and assign
AnnaBridge 145:64910690c574 147 * values to stack symbols later */
AnnaBridge 145:64910690c574 148 .stack_dummy (COPY):
AnnaBridge 145:64910690c574 149 {
AnnaBridge 145:64910690c574 150 *(.stack*)
AnnaBridge 145:64910690c574 151 } > SRAM1
AnnaBridge 145:64910690c574 152
AnnaBridge 145:64910690c574 153 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 145:64910690c574 154 * size of stack_dummy section */
AnnaBridge 145:64910690c574 155 __StackTop = ORIGIN(SRAM1) + LENGTH(SRAM1);
AnnaBridge 145:64910690c574 156 _estack = __StackTop;
AnnaBridge 145:64910690c574 157 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 145:64910690c574 158 PROVIDE(__stack = __StackTop);
AnnaBridge 145:64910690c574 159
AnnaBridge 145:64910690c574 160 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 145:64910690c574 161 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 145:64910690c574 162 }