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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_NUCLEO_L476RG/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:
622:db79ecd649d0 
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 622:db79ecd649d0 1 /* Linker script to configure memory regions. */
mbed_official 622:db79ecd649d0 2 MEMORY
mbed_official 622:db79ecd649d0 3 {
mbed_official 622:db79ecd649d0 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 622:db79ecd649d0 7 }
mbed_official 622:db79ecd649d0 8
mbed_official 622:db79ecd649d0 9 /* Linker script to place sections and symbol values. Should be used together
mbed_official 622:db79ecd649d0 10 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 622:db79ecd649d0 11 * It references following symbols, which must be defined in code:
mbed_official 622:db79ecd649d0 12 * Reset_Handler : Entry of reset handler
mbed_official 622:db79ecd649d0 13 *
mbed_official 622:db79ecd649d0 14 * It defines following symbols, which code can use without definition:
mbed_official 622:db79ecd649d0 15 * __exidx_start
mbed_official 622:db79ecd649d0 16 * __exidx_end
mbed_official 622:db79ecd649d0 17 * __etext
mbed_official 622:db79ecd649d0 18 * __data_start__
mbed_official 622:db79ecd649d0 19 * __preinit_array_start
mbed_official 622:db79ecd649d0 20 * __preinit_array_end
mbed_official 622:db79ecd649d0 21 * __init_array_start
mbed_official 622:db79ecd649d0 22 * __init_array_end
mbed_official 622:db79ecd649d0 23 * __fini_array_start
mbed_official 622:db79ecd649d0 24 * __fini_array_end
mbed_official 622:db79ecd649d0 25 * __data_end__
mbed_official 622:db79ecd649d0 26 * __bss_start__
mbed_official 622:db79ecd649d0 27 * __bss_end__
mbed_official 622:db79ecd649d0 28 * __end__
mbed_official 622:db79ecd649d0 29 * end
mbed_official 622:db79ecd649d0 30 * __HeapLimit
mbed_official 622:db79ecd649d0 31 * __StackLimit
mbed_official 622:db79ecd649d0 32 * __StackTop
mbed_official 622:db79ecd649d0 33 * __stack
mbed_official 622:db79ecd649d0 34 * _estack
mbed_official 622:db79ecd649d0 35 */
mbed_official 622:db79ecd649d0 36 ENTRY(Reset_Handler)
mbed_official 622:db79ecd649d0 37
mbed_official 622:db79ecd649d0 38 SECTIONS
mbed_official 622:db79ecd649d0 39 {
mbed_official 622:db79ecd649d0 40 .text :
mbed_official 622:db79ecd649d0 41 {
mbed_official 622:db79ecd649d0 42 KEEP(*(.isr_vector))
mbed_official 622:db79ecd649d0 43 *(.text*)
mbed_official 622:db79ecd649d0 44 KEEP(*(.init))
mbed_official 622:db79ecd649d0 45 KEEP(*(.fini))
mbed_official 622:db79ecd649d0 46
mbed_official 622:db79ecd649d0 47 /* .ctors */
mbed_official 622:db79ecd649d0 48 *crtbegin.o(.ctors)
mbed_official 622:db79ecd649d0 49 *crtbegin?.o(.ctors)
mbed_official 622:db79ecd649d0 50 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 622:db79ecd649d0 51 *(SORT(.ctors.*))
mbed_official 622:db79ecd649d0 52 *(.ctors)
mbed_official 622:db79ecd649d0 53
mbed_official 622:db79ecd649d0 54 /* .dtors */
mbed_official 622:db79ecd649d0 55 *crtbegin.o(.dtors)
mbed_official 622:db79ecd649d0 56 *crtbegin?.o(.dtors)
mbed_official 622:db79ecd649d0 57 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 622:db79ecd649d0 58 *(SORT(.dtors.*))
mbed_official 622:db79ecd649d0 59 *(.dtors)
mbed_official 622:db79ecd649d0 60
mbed_official 622:db79ecd649d0 61 *(.rodata*)
mbed_official 622:db79ecd649d0 62
mbed_official 622:db79ecd649d0 63 KEEP(*(.eh_frame*))
mbed_official 622:db79ecd649d0 64 } > FLASH
mbed_official 622:db79ecd649d0 65
mbed_official 622:db79ecd649d0 66 .ARM.extab :
mbed_official 622:db79ecd649d0 67 {
mbed_official 622:db79ecd649d0 68 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 622:db79ecd649d0 69 } > FLASH
mbed_official 622:db79ecd649d0 70
mbed_official 622:db79ecd649d0 71 __exidx_start = .;
mbed_official 622:db79ecd649d0 72 .ARM.exidx :
mbed_official 622:db79ecd649d0 73 {
mbed_official 622:db79ecd649d0 74 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 622:db79ecd649d0 75 } > FLASH
mbed_official 622:db79ecd649d0 76 __exidx_end = .;
mbed_official 622:db79ecd649d0 77
mbed_official 622:db79ecd649d0 78 __etext = .;
mbed_official 622:db79ecd649d0 79 _sidata = .;
mbed_official 622:db79ecd649d0 80
mbed_official 622:db79ecd649d0 81 .data : AT (__etext)
mbed_official 622:db79ecd649d0 82 {
mbed_official 622:db79ecd649d0 83 __data_start__ = .;
mbed_official 622:db79ecd649d0 84 _sdata = .;
mbed_official 622:db79ecd649d0 85 *(vtable)
mbed_official 622:db79ecd649d0 86 *(.data*)
mbed_official 622:db79ecd649d0 87
mbed_official 622:db79ecd649d0 88 . = ALIGN(4);
mbed_official 622:db79ecd649d0 89 /* preinit data */
mbed_official 622:db79ecd649d0 90 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 622:db79ecd649d0 91 KEEP(*(.preinit_array))
mbed_official 622:db79ecd649d0 92 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 622:db79ecd649d0 93
mbed_official 622:db79ecd649d0 94 . = ALIGN(4);
mbed_official 622:db79ecd649d0 95 /* init data */
mbed_official 622:db79ecd649d0 96 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 622:db79ecd649d0 97 KEEP(*(SORT(.init_array.*)))
mbed_official 622:db79ecd649d0 98 KEEP(*(.init_array))
mbed_official 622:db79ecd649d0 99 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 622:db79ecd649d0 100
mbed_official 622:db79ecd649d0 101
mbed_official 622:db79ecd649d0 102 . = ALIGN(4);
mbed_official 622:db79ecd649d0 103 /* finit data */
mbed_official 622:db79ecd649d0 104 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 622:db79ecd649d0 105 KEEP(*(SORT(.fini_array.*)))
mbed_official 622:db79ecd649d0 106 KEEP(*(.fini_array))
mbed_official 622:db79ecd649d0 107 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 622:db79ecd649d0 108
mbed_official 622:db79ecd649d0 109 KEEP(*(.jcr*))
mbed_official 622:db79ecd649d0 110 . = ALIGN(4);
mbed_official 622:db79ecd649d0 111 /* All data end */
mbed_official 622:db79ecd649d0 112 __data_end__ = .;
mbed_official 622:db79ecd649d0 113 _edata = .;
mbed_official 622:db79ecd649d0 114
mbed_official 629:1806c2edb763 115 } > SRAM2
mbed_official 622:db79ecd649d0 116
mbed_official 622:db79ecd649d0 117 .bss :
mbed_official 622:db79ecd649d0 118 {
mbed_official 622:db79ecd649d0 119 . = ALIGN(4);
mbed_official 622:db79ecd649d0 120 __bss_start__ = .;
mbed_official 622:db79ecd649d0 121 _sbss = .;
mbed_official 622:db79ecd649d0 122 *(.bss*)
mbed_official 622:db79ecd649d0 123 *(COMMON)
mbed_official 622:db79ecd649d0 124 . = ALIGN(4);
mbed_official 622:db79ecd649d0 125 __bss_end__ = .;
mbed_official 622:db79ecd649d0 126 _ebss = .;
mbed_official 629:1806c2edb763 127 } > SRAM2
mbed_official 622:db79ecd649d0 128
mbed_official 622:db79ecd649d0 129 .heap (COPY):
mbed_official 622:db79ecd649d0 130 {
mbed_official 622:db79ecd649d0 131 __end__ = .;
mbed_official 622:db79ecd649d0 132 end = __end__;
mbed_official 622:db79ecd649d0 133 *(.heap*)
mbed_official 622:db79ecd649d0 134 __HeapLimit = .;
mbed_official 629:1806c2edb763 135 } > SRAM2
mbed_official 622:db79ecd649d0 136
mbed_official 622:db79ecd649d0 137 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 622:db79ecd649d0 138 * used for linker to calculate size of stack sections, and assign
mbed_official 622:db79ecd649d0 139 * values to stack symbols later */
mbed_official 622:db79ecd649d0 140 .stack_dummy (COPY):
mbed_official 622:db79ecd649d0 141 {
mbed_official 622:db79ecd649d0 142 *(.stack*)
mbed_official 629:1806c2edb763 143 } > SRAM2
mbed_official 622:db79ecd649d0 144
mbed_official 622:db79ecd649d0 145 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 622:db79ecd649d0 146 * size of stack_dummy section */
mbed_official 629:1806c2edb763 147 __StackTop = ORIGIN(SRAM2) + LENGTH(SRAM2);
mbed_official 622:db79ecd649d0 148 _estack = __StackTop;
mbed_official 622:db79ecd649d0 149 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 622:db79ecd649d0 150 PROVIDE(__stack = __StackTop);
mbed_official 622:db79ecd649d0 151
mbed_official 622:db79ecd649d0 152 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 622:db79ecd649d0 153 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 622:db79ecd649d0 154 }