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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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@610:813dcc80987e, 2015-08-14 (annotated)

Committer:
mbed_official
Date:
Fri Aug 14 13:15:17 2015 +0100
Revision:
610:813dcc80987e
Child:
629:1806c2edb763
Synchronized with git revision 6d84db41c6833e0b9b024741eb0616a5f62d5599



Full URL: https://github.com/mbedmicro/mbed/commit/6d84db41c6833e0b9b024741eb0616a5f62d5599/



DISCO_F746NG - Improvements

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 610:813dcc80987e 5 RAM (rwx) : ORIGIN = 0x20000188, LENGTH = 128K - 0x188
mbed_official 610:813dcc80987e 6 }
mbed_official 610:813dcc80987e 7
mbed_official 610:813dcc80987e 8 /* Linker script to place sections and symbol values. Should be used together
mbed_official 610:813dcc80987e 9 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 610:813dcc80987e 10 * It references following symbols, which must be defined in code:
mbed_official 610:813dcc80987e 11 * Reset_Handler : Entry of reset handler
mbed_official 610:813dcc80987e 12 *
mbed_official 610:813dcc80987e 13 * It defines following symbols, which code can use without definition:
mbed_official 610:813dcc80987e 14 * __exidx_start
mbed_official 610:813dcc80987e 15 * __exidx_end
mbed_official 610:813dcc80987e 16 * __etext
mbed_official 610:813dcc80987e 17 * __data_start__
mbed_official 610:813dcc80987e 18 * __preinit_array_start
mbed_official 610:813dcc80987e 19 * __preinit_array_end
mbed_official 610:813dcc80987e 20 * __init_array_start
mbed_official 610:813dcc80987e 21 * __init_array_end
mbed_official 610:813dcc80987e 22 * __fini_array_start
mbed_official 610:813dcc80987e 23 * __fini_array_end
mbed_official 610:813dcc80987e 24 * __data_end__
mbed_official 610:813dcc80987e 25 * __bss_start__
mbed_official 610:813dcc80987e 26 * __bss_end__
mbed_official 610:813dcc80987e 27 * __end__
mbed_official 610:813dcc80987e 28 * end
mbed_official 610:813dcc80987e 29 * __HeapLimit
mbed_official 610:813dcc80987e 30 * __StackLimit
mbed_official 610:813dcc80987e 31 * __StackTop
mbed_official 610:813dcc80987e 32 * __stack
mbed_official 610:813dcc80987e 33 * _estack
mbed_official 610:813dcc80987e 34 */
mbed_official 610:813dcc80987e 35 ENTRY(Reset_Handler)
mbed_official 610:813dcc80987e 36
mbed_official 610:813dcc80987e 37 SECTIONS
mbed_official 610:813dcc80987e 38 {
mbed_official 610:813dcc80987e 39 .text :
mbed_official 610:813dcc80987e 40 {
mbed_official 610:813dcc80987e 41 KEEP(*(.isr_vector))
mbed_official 610:813dcc80987e 42 *(.text*)
mbed_official 610:813dcc80987e 43 KEEP(*(.init))
mbed_official 610:813dcc80987e 44 KEEP(*(.fini))
mbed_official 610:813dcc80987e 45
mbed_official 610:813dcc80987e 46 /* .ctors */
mbed_official 610:813dcc80987e 47 *crtbegin.o(.ctors)
mbed_official 610:813dcc80987e 48 *crtbegin?.o(.ctors)
mbed_official 610:813dcc80987e 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 610:813dcc80987e 50 *(SORT(.ctors.*))
mbed_official 610:813dcc80987e 51 *(.ctors)
mbed_official 610:813dcc80987e 52
mbed_official 610:813dcc80987e 53 /* .dtors */
mbed_official 610:813dcc80987e 54 *crtbegin.o(.dtors)
mbed_official 610:813dcc80987e 55 *crtbegin?.o(.dtors)
mbed_official 610:813dcc80987e 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 610:813dcc80987e 57 *(SORT(.dtors.*))
mbed_official 610:813dcc80987e 58 *(.dtors)
mbed_official 610:813dcc80987e 59
mbed_official 610:813dcc80987e 60 *(.rodata*)
mbed_official 610:813dcc80987e 61
mbed_official 610:813dcc80987e 62 KEEP(*(.eh_frame*))
mbed_official 610:813dcc80987e 63 } > FLASH
mbed_official 610:813dcc80987e 64
mbed_official 610:813dcc80987e 65 .ARM.extab :
mbed_official 610:813dcc80987e 66 {
mbed_official 610:813dcc80987e 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 610:813dcc80987e 68 } > FLASH
mbed_official 610:813dcc80987e 69
mbed_official 610:813dcc80987e 70 __exidx_start = .;
mbed_official 610:813dcc80987e 71 .ARM.exidx :
mbed_official 610:813dcc80987e 72 {
mbed_official 610:813dcc80987e 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 610:813dcc80987e 74 } > FLASH
mbed_official 610:813dcc80987e 75 __exidx_end = .;
mbed_official 610:813dcc80987e 76
mbed_official 610:813dcc80987e 77 __etext = .;
mbed_official 610:813dcc80987e 78 _sidata = .;
mbed_official 610:813dcc80987e 79
mbed_official 610:813dcc80987e 80 .data : AT (__etext)
mbed_official 610:813dcc80987e 81 {
mbed_official 610:813dcc80987e 82 __data_start__ = .;
mbed_official 610:813dcc80987e 83 _sdata = .;
mbed_official 610:813dcc80987e 84 *(vtable)
mbed_official 610:813dcc80987e 85 *(.data*)
mbed_official 610:813dcc80987e 86
mbed_official 610:813dcc80987e 87 . = ALIGN(4);
mbed_official 610:813dcc80987e 88 /* preinit data */
mbed_official 610:813dcc80987e 89 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 610:813dcc80987e 90 KEEP(*(.preinit_array))
mbed_official 610:813dcc80987e 91 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 610:813dcc80987e 92
mbed_official 610:813dcc80987e 93 . = ALIGN(4);
mbed_official 610:813dcc80987e 94 /* init data */
mbed_official 610:813dcc80987e 95 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 610:813dcc80987e 96 KEEP(*(SORT(.init_array.*)))
mbed_official 610:813dcc80987e 97 KEEP(*(.init_array))
mbed_official 610:813dcc80987e 98 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 610:813dcc80987e 99
mbed_official 610:813dcc80987e 100
mbed_official 610:813dcc80987e 101 . = ALIGN(4);
mbed_official 610:813dcc80987e 102 /* finit data */
mbed_official 610:813dcc80987e 103 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 610:813dcc80987e 104 KEEP(*(SORT(.fini_array.*)))
mbed_official 610:813dcc80987e 105 KEEP(*(.fini_array))
mbed_official 610:813dcc80987e 106 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 610:813dcc80987e 107
mbed_official 610:813dcc80987e 108 KEEP(*(.jcr*))
mbed_official 610:813dcc80987e 109 . = ALIGN(4);
mbed_official 610:813dcc80987e 110 /* All data end */
mbed_official 610:813dcc80987e 111 __data_end__ = .;
mbed_official 610:813dcc80987e 112 _edata = .;
mbed_official 610:813dcc80987e 113
mbed_official 610:813dcc80987e 114 } > RAM
mbed_official 610:813dcc80987e 115
mbed_official 610:813dcc80987e 116 .bss :
mbed_official 610:813dcc80987e 117 {
mbed_official 610:813dcc80987e 118 . = ALIGN(4);
mbed_official 610:813dcc80987e 119 __bss_start__ = .;
mbed_official 610:813dcc80987e 120 _sbss = .;
mbed_official 610:813dcc80987e 121 *(.bss*)
mbed_official 610:813dcc80987e 122 *(COMMON)
mbed_official 610:813dcc80987e 123 . = ALIGN(4);
mbed_official 610:813dcc80987e 124 __bss_end__ = .;
mbed_official 610:813dcc80987e 125 _ebss = .;
mbed_official 610:813dcc80987e 126 } > RAM
mbed_official 610:813dcc80987e 127
mbed_official 610:813dcc80987e 128 .heap (COPY):
mbed_official 610:813dcc80987e 129 {
mbed_official 610:813dcc80987e 130 __end__ = .;
mbed_official 610:813dcc80987e 131 end = __end__;
mbed_official 610:813dcc80987e 132 *(.heap*)
mbed_official 610:813dcc80987e 133 __HeapLimit = .;
mbed_official 610:813dcc80987e 134 } > RAM
mbed_official 610:813dcc80987e 135
mbed_official 610:813dcc80987e 136 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 610:813dcc80987e 137 * used for linker to calculate size of stack sections, and assign
mbed_official 610:813dcc80987e 138 * values to stack symbols later */
mbed_official 610:813dcc80987e 139 .stack_dummy (COPY):
mbed_official 610:813dcc80987e 140 {
mbed_official 610:813dcc80987e 141 *(.stack*)
mbed_official 610:813dcc80987e 142 } > RAM
mbed_official 610:813dcc80987e 143
mbed_official 610:813dcc80987e 144 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 610:813dcc80987e 145 * size of stack_dummy section */
mbed_official 610:813dcc80987e 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 610:813dcc80987e 147 _estack = __StackTop;
mbed_official 610:813dcc80987e 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 610:813dcc80987e 149 PROVIDE(__stack = __StackTop);
mbed_official 610:813dcc80987e 150
mbed_official 610:813dcc80987e 151 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 610:813dcc80987e 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 610:813dcc80987e 153 }