mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

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

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L4/TARGET_DISCO_L476VG/TOOLCHAIN_GCC_ARM/STM32L476XX.ld@629:1806c2edb763, 2015-09-28 (annotated)

Committer:
mbed_official
Date:
Mon Sep 28 10:30:09 2015 +0100
Revision:
629:1806c2edb763
Parent:
610:813dcc80987e 
Synchronized with git revision 87e468c302cd3e5d0f840971ca587ba8c50847bf



Full URL: https://github.com/mbedmicro/mbed/commit/87e468c302cd3e5d0f840971ca587ba8c50847bf/



Fixed stack location problem for disco and nucleo boards (STM32L4)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 610:813dcc80987e 1 /* Linker script to configure memory regions. */
mbed_official 610:813dcc80987e 2 MEMORY
mbed_official 610:813dcc80987e 3 {
mbed_official 610:813dcc80987e 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
mbed_official 629:1806c2edb763 5 SRAM2 (rwx) : ORIGIN = 0x10000188, LENGTH = 32k - 0x188
mbed_official 629:1806c2edb763 6 SRAM1 (rwx) : ORIGIN = 0x20000000, LENGTH = 96k
mbed_official 610:813dcc80987e 7 }
mbed_official 610:813dcc80987e 8
mbed_official 610:813dcc80987e 9 /* Linker script to place sections and symbol values. Should be used together
mbed_official 610:813dcc80987e 10 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 610:813dcc80987e 11 * It references following symbols, which must be defined in code:
mbed_official 610:813dcc80987e 12 * Reset_Handler : Entry of reset handler
mbed_official 610:813dcc80987e 13 *
mbed_official 610:813dcc80987e 14 * It defines following symbols, which code can use without definition:
mbed_official 610:813dcc80987e 15 * __exidx_start
mbed_official 610:813dcc80987e 16 * __exidx_end
mbed_official 610:813dcc80987e 17 * __etext
mbed_official 610:813dcc80987e 18 * __data_start__
mbed_official 610:813dcc80987e 19 * __preinit_array_start
mbed_official 610:813dcc80987e 20 * __preinit_array_end
mbed_official 610:813dcc80987e 21 * __init_array_start
mbed_official 610:813dcc80987e 22 * __init_array_end
mbed_official 610:813dcc80987e 23 * __fini_array_start
mbed_official 610:813dcc80987e 24 * __fini_array_end
mbed_official 610:813dcc80987e 25 * __data_end__
mbed_official 610:813dcc80987e 26 * __bss_start__
mbed_official 610:813dcc80987e 27 * __bss_end__
mbed_official 610:813dcc80987e 28 * __end__
mbed_official 610:813dcc80987e 29 * end
mbed_official 610:813dcc80987e 30 * __HeapLimit
mbed_official 610:813dcc80987e 31 * __StackLimit
mbed_official 610:813dcc80987e 32 * __StackTop
mbed_official 610:813dcc80987e 33 * __stack
mbed_official 610:813dcc80987e 34 * _estack
mbed_official 610:813dcc80987e 35 */
mbed_official 610:813dcc80987e 36 ENTRY(Reset_Handler)
mbed_official 610:813dcc80987e 37
mbed_official 610:813dcc80987e 38 SECTIONS
mbed_official 610:813dcc80987e 39 {
mbed_official 610:813dcc80987e 40 .text :
mbed_official 610:813dcc80987e 41 {
mbed_official 610:813dcc80987e 42 KEEP(*(.isr_vector))
mbed_official 610:813dcc80987e 43 *(.text*)
mbed_official 610:813dcc80987e 44 KEEP(*(.init))
mbed_official 610:813dcc80987e 45 KEEP(*(.fini))
mbed_official 610:813dcc80987e 46
mbed_official 610:813dcc80987e 47 /* .ctors */
mbed_official 610:813dcc80987e 48 *crtbegin.o(.ctors)
mbed_official 610:813dcc80987e 49 *crtbegin?.o(.ctors)
mbed_official 610:813dcc80987e 50 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 610:813dcc80987e 51 *(SORT(.ctors.*))
mbed_official 610:813dcc80987e 52 *(.ctors)
mbed_official 610:813dcc80987e 53
mbed_official 610:813dcc80987e 54 /* .dtors */
mbed_official 610:813dcc80987e 55 *crtbegin.o(.dtors)
mbed_official 610:813dcc80987e 56 *crtbegin?.o(.dtors)
mbed_official 610:813dcc80987e 57 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 610:813dcc80987e 58 *(SORT(.dtors.*))
mbed_official 610:813dcc80987e 59 *(.dtors)
mbed_official 610:813dcc80987e 60
mbed_official 610:813dcc80987e 61 *(.rodata*)
mbed_official 610:813dcc80987e 62
mbed_official 610:813dcc80987e 63 KEEP(*(.eh_frame*))
mbed_official 610:813dcc80987e 64 } > FLASH
mbed_official 610:813dcc80987e 65
mbed_official 610:813dcc80987e 66 .ARM.extab :
mbed_official 610:813dcc80987e 67 {
mbed_official 610:813dcc80987e 68 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 610:813dcc80987e 69 } > FLASH
mbed_official 610:813dcc80987e 70
mbed_official 610:813dcc80987e 71 __exidx_start = .;
mbed_official 610:813dcc80987e 72 .ARM.exidx :
mbed_official 610:813dcc80987e 73 {
mbed_official 610:813dcc80987e 74 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 610:813dcc80987e 75 } > FLASH
mbed_official 610:813dcc80987e 76 __exidx_end = .;
mbed_official 610:813dcc80987e 77
mbed_official 610:813dcc80987e 78 __etext = .;
mbed_official 610:813dcc80987e 79 _sidata = .;
mbed_official 610:813dcc80987e 80
mbed_official 610:813dcc80987e 81 .data : AT (__etext)
mbed_official 610:813dcc80987e 82 {
mbed_official 610:813dcc80987e 83 __data_start__ = .;
mbed_official 610:813dcc80987e 84 _sdata = .;
mbed_official 610:813dcc80987e 85 *(vtable)
mbed_official 610:813dcc80987e 86 *(.data*)
mbed_official 610:813dcc80987e 87
mbed_official 610:813dcc80987e 88 . = ALIGN(4);
mbed_official 610:813dcc80987e 89 /* preinit data */
mbed_official 610:813dcc80987e 90 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 610:813dcc80987e 91 KEEP(*(.preinit_array))
mbed_official 610:813dcc80987e 92 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 610:813dcc80987e 93
mbed_official 610:813dcc80987e 94 . = ALIGN(4);
mbed_official 610:813dcc80987e 95 /* init data */
mbed_official 610:813dcc80987e 96 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 610:813dcc80987e 97 KEEP(*(SORT(.init_array.*)))
mbed_official 610:813dcc80987e 98 KEEP(*(.init_array))
mbed_official 610:813dcc80987e 99 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 610:813dcc80987e 100
mbed_official 610:813dcc80987e 101
mbed_official 610:813dcc80987e 102 . = ALIGN(4);
mbed_official 610:813dcc80987e 103 /* finit data */
mbed_official 610:813dcc80987e 104 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 610:813dcc80987e 105 KEEP(*(SORT(.fini_array.*)))
mbed_official 610:813dcc80987e 106 KEEP(*(.fini_array))
mbed_official 610:813dcc80987e 107 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 610:813dcc80987e 108
mbed_official 610:813dcc80987e 109 KEEP(*(.jcr*))
mbed_official 610:813dcc80987e 110 . = ALIGN(4);
mbed_official 610:813dcc80987e 111 /* All data end */
mbed_official 610:813dcc80987e 112 __data_end__ = .;
mbed_official 610:813dcc80987e 113 _edata = .;
mbed_official 610:813dcc80987e 114
mbed_official 629:1806c2edb763 115 } > SRAM2
mbed_official 610:813dcc80987e 116
mbed_official 610:813dcc80987e 117 .bss :
mbed_official 610:813dcc80987e 118 {
mbed_official 610:813dcc80987e 119 . = ALIGN(4);
mbed_official 610:813dcc80987e 120 __bss_start__ = .;
mbed_official 610:813dcc80987e 121 _sbss = .;
mbed_official 610:813dcc80987e 122 *(.bss*)
mbed_official 610:813dcc80987e 123 *(COMMON)
mbed_official 610:813dcc80987e 124 . = ALIGN(4);
mbed_official 610:813dcc80987e 125 __bss_end__ = .;
mbed_official 610:813dcc80987e 126 _ebss = .;
mbed_official 629:1806c2edb763 127 } > SRAM2
mbed_official 610:813dcc80987e 128
mbed_official 610:813dcc80987e 129 .heap (COPY):
mbed_official 610:813dcc80987e 130 {
mbed_official 610:813dcc80987e 131 __end__ = .;
mbed_official 610:813dcc80987e 132 end = __end__;
mbed_official 610:813dcc80987e 133 *(.heap*)
mbed_official 610:813dcc80987e 134 __HeapLimit = .;
mbed_official 629:1806c2edb763 135 } > SRAM2
mbed_official 610:813dcc80987e 136
mbed_official 610:813dcc80987e 137 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 610:813dcc80987e 138 * used for linker to calculate size of stack sections, and assign
mbed_official 610:813dcc80987e 139 * values to stack symbols later */
mbed_official 610:813dcc80987e 140 .stack_dummy (COPY):
mbed_official 610:813dcc80987e 141 {
mbed_official 610:813dcc80987e 142 *(.stack*)
mbed_official 629:1806c2edb763 143 } > SRAM2
mbed_official 610:813dcc80987e 144
mbed_official 610:813dcc80987e 145 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 610:813dcc80987e 146 * size of stack_dummy section */
mbed_official 629:1806c2edb763 147 __StackTop = ORIGIN(SRAM2) + LENGTH(SRAM2);
mbed_official 610:813dcc80987e 148 _estack = __StackTop;
mbed_official 610:813dcc80987e 149 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 610:813dcc80987e 150 PROVIDE(__stack = __StackTop);
mbed_official 610:813dcc80987e 151
mbed_official 610:813dcc80987e 152 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 610:813dcc80987e 153 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 610:813dcc80987e 154 }