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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_STM32F4/TARGET_ELMO_F411RE/TOOLCHAIN_GCC_ARM/STM32F411XE.ld@625:6502bcae5f2c, 2015-09-25 (annotated)

Committer:
mbed_official
Date:
Fri Sep 25 12:00:11 2015 +0100
Revision:
625:6502bcae5f2c
Synchronized with git revision 724c07935c2d3e3d8a1b3e7274b29ba5dcbed7ad



Full URL: https://github.com/mbedmicro/mbed/commit/724c07935c2d3e3d8a1b3e7274b29ba5dcbed7ad/



Changes contains only "Copyright year information" and "KR styling". Safe to merge.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 625:6502bcae5f2c 1 /* Linker script to configure memory regions. */
mbed_official 625:6502bcae5f2c 2 MEMORY
mbed_official 625:6502bcae5f2c 3 {
mbed_official 625:6502bcae5f2c 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512K
mbed_official 625:6502bcae5f2c 5 RAM (rwx) : ORIGIN = 0x20000198, LENGTH = 128k - 0x198
mbed_official 625:6502bcae5f2c 6 }
mbed_official 625:6502bcae5f2c 7
mbed_official 625:6502bcae5f2c 8 /* Linker script to place sections and symbol values. Should be used together
mbed_official 625:6502bcae5f2c 9 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 625:6502bcae5f2c 10 * It references following symbols, which must be defined in code:
mbed_official 625:6502bcae5f2c 11 * Reset_Handler : Entry of reset handler
mbed_official 625:6502bcae5f2c 12 *
mbed_official 625:6502bcae5f2c 13 * It defines following symbols, which code can use without definition:
mbed_official 625:6502bcae5f2c 14 * __exidx_start
mbed_official 625:6502bcae5f2c 15 * __exidx_end
mbed_official 625:6502bcae5f2c 16 * __etext
mbed_official 625:6502bcae5f2c 17 * __data_start__
mbed_official 625:6502bcae5f2c 18 * __preinit_array_start
mbed_official 625:6502bcae5f2c 19 * __preinit_array_end
mbed_official 625:6502bcae5f2c 20 * __init_array_start
mbed_official 625:6502bcae5f2c 21 * __init_array_end
mbed_official 625:6502bcae5f2c 22 * __fini_array_start
mbed_official 625:6502bcae5f2c 23 * __fini_array_end
mbed_official 625:6502bcae5f2c 24 * __data_end__
mbed_official 625:6502bcae5f2c 25 * __bss_start__
mbed_official 625:6502bcae5f2c 26 * __bss_end__
mbed_official 625:6502bcae5f2c 27 * __end__
mbed_official 625:6502bcae5f2c 28 * end
mbed_official 625:6502bcae5f2c 29 * __HeapLimit
mbed_official 625:6502bcae5f2c 30 * __StackLimit
mbed_official 625:6502bcae5f2c 31 * __StackTop
mbed_official 625:6502bcae5f2c 32 * __stack
mbed_official 625:6502bcae5f2c 33 * _estack
mbed_official 625:6502bcae5f2c 34 */
mbed_official 625:6502bcae5f2c 35 ENTRY(Reset_Handler)
mbed_official 625:6502bcae5f2c 36
mbed_official 625:6502bcae5f2c 37 SECTIONS
mbed_official 625:6502bcae5f2c 38 {
mbed_official 625:6502bcae5f2c 39 .text :
mbed_official 625:6502bcae5f2c 40 {
mbed_official 625:6502bcae5f2c 41 KEEP(*(.isr_vector))
mbed_official 625:6502bcae5f2c 42 *(.text*)
mbed_official 625:6502bcae5f2c 43 KEEP(*(.init))
mbed_official 625:6502bcae5f2c 44 KEEP(*(.fini))
mbed_official 625:6502bcae5f2c 45
mbed_official 625:6502bcae5f2c 46 /* .ctors */
mbed_official 625:6502bcae5f2c 47 *crtbegin.o(.ctors)
mbed_official 625:6502bcae5f2c 48 *crtbegin?.o(.ctors)
mbed_official 625:6502bcae5f2c 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 625:6502bcae5f2c 50 *(SORT(.ctors.*))
mbed_official 625:6502bcae5f2c 51 *(.ctors)
mbed_official 625:6502bcae5f2c 52
mbed_official 625:6502bcae5f2c 53 /* .dtors */
mbed_official 625:6502bcae5f2c 54 *crtbegin.o(.dtors)
mbed_official 625:6502bcae5f2c 55 *crtbegin?.o(.dtors)
mbed_official 625:6502bcae5f2c 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 625:6502bcae5f2c 57 *(SORT(.dtors.*))
mbed_official 625:6502bcae5f2c 58 *(.dtors)
mbed_official 625:6502bcae5f2c 59
mbed_official 625:6502bcae5f2c 60 *(.rodata*)
mbed_official 625:6502bcae5f2c 61
mbed_official 625:6502bcae5f2c 62 KEEP(*(.eh_frame*))
mbed_official 625:6502bcae5f2c 63 } > FLASH
mbed_official 625:6502bcae5f2c 64
mbed_official 625:6502bcae5f2c 65 .ARM.extab :
mbed_official 625:6502bcae5f2c 66 {
mbed_official 625:6502bcae5f2c 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 625:6502bcae5f2c 68 } > FLASH
mbed_official 625:6502bcae5f2c 69
mbed_official 625:6502bcae5f2c 70 __exidx_start = .;
mbed_official 625:6502bcae5f2c 71 .ARM.exidx :
mbed_official 625:6502bcae5f2c 72 {
mbed_official 625:6502bcae5f2c 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 625:6502bcae5f2c 74 } > FLASH
mbed_official 625:6502bcae5f2c 75 __exidx_end = .;
mbed_official 625:6502bcae5f2c 76
mbed_official 625:6502bcae5f2c 77 __etext = .;
mbed_official 625:6502bcae5f2c 78 _sidata = .;
mbed_official 625:6502bcae5f2c 79
mbed_official 625:6502bcae5f2c 80 .data : AT (__etext)
mbed_official 625:6502bcae5f2c 81 {
mbed_official 625:6502bcae5f2c 82 __data_start__ = .;
mbed_official 625:6502bcae5f2c 83 _sdata = .;
mbed_official 625:6502bcae5f2c 84 *(vtable)
mbed_official 625:6502bcae5f2c 85 *(.data*)
mbed_official 625:6502bcae5f2c 86
mbed_official 625:6502bcae5f2c 87 . = ALIGN(4);
mbed_official 625:6502bcae5f2c 88 /* preinit data */
mbed_official 625:6502bcae5f2c 89 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 625:6502bcae5f2c 90 KEEP(*(.preinit_array))
mbed_official 625:6502bcae5f2c 91 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 625:6502bcae5f2c 92
mbed_official 625:6502bcae5f2c 93 . = ALIGN(4);
mbed_official 625:6502bcae5f2c 94 /* init data */
mbed_official 625:6502bcae5f2c 95 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 625:6502bcae5f2c 96 KEEP(*(SORT(.init_array.*)))
mbed_official 625:6502bcae5f2c 97 KEEP(*(.init_array))
mbed_official 625:6502bcae5f2c 98 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 625:6502bcae5f2c 99
mbed_official 625:6502bcae5f2c 100
mbed_official 625:6502bcae5f2c 101 . = ALIGN(4);
mbed_official 625:6502bcae5f2c 102 /* finit data */
mbed_official 625:6502bcae5f2c 103 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 625:6502bcae5f2c 104 KEEP(*(SORT(.fini_array.*)))
mbed_official 625:6502bcae5f2c 105 KEEP(*(.fini_array))
mbed_official 625:6502bcae5f2c 106 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 625:6502bcae5f2c 107
mbed_official 625:6502bcae5f2c 108 KEEP(*(.jcr*))
mbed_official 625:6502bcae5f2c 109 . = ALIGN(4);
mbed_official 625:6502bcae5f2c 110 /* All data end */
mbed_official 625:6502bcae5f2c 111 __data_end__ = .;
mbed_official 625:6502bcae5f2c 112 _edata = .;
mbed_official 625:6502bcae5f2c 113
mbed_official 625:6502bcae5f2c 114 } > RAM
mbed_official 625:6502bcae5f2c 115
mbed_official 625:6502bcae5f2c 116 .bss :
mbed_official 625:6502bcae5f2c 117 {
mbed_official 625:6502bcae5f2c 118 . = ALIGN(4);
mbed_official 625:6502bcae5f2c 119 __bss_start__ = .;
mbed_official 625:6502bcae5f2c 120 _sbss = .;
mbed_official 625:6502bcae5f2c 121 *(.bss*)
mbed_official 625:6502bcae5f2c 122 *(COMMON)
mbed_official 625:6502bcae5f2c 123 . = ALIGN(4);
mbed_official 625:6502bcae5f2c 124 __bss_end__ = .;
mbed_official 625:6502bcae5f2c 125 _ebss = .;
mbed_official 625:6502bcae5f2c 126 } > RAM
mbed_official 625:6502bcae5f2c 127
mbed_official 625:6502bcae5f2c 128 .heap (COPY):
mbed_official 625:6502bcae5f2c 129 {
mbed_official 625:6502bcae5f2c 130 __end__ = .;
mbed_official 625:6502bcae5f2c 131 end = __end__;
mbed_official 625:6502bcae5f2c 132 *(.heap*)
mbed_official 625:6502bcae5f2c 133 __HeapLimit = .;
mbed_official 625:6502bcae5f2c 134 } > RAM
mbed_official 625:6502bcae5f2c 135
mbed_official 625:6502bcae5f2c 136 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 625:6502bcae5f2c 137 * used for linker to calculate size of stack sections, and assign
mbed_official 625:6502bcae5f2c 138 * values to stack symbols later */
mbed_official 625:6502bcae5f2c 139 .stack_dummy (COPY):
mbed_official 625:6502bcae5f2c 140 {
mbed_official 625:6502bcae5f2c 141 *(.stack*)
mbed_official 625:6502bcae5f2c 142 } > RAM
mbed_official 625:6502bcae5f2c 143
mbed_official 625:6502bcae5f2c 144 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 625:6502bcae5f2c 145 * size of stack_dummy section */
mbed_official 625:6502bcae5f2c 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 625:6502bcae5f2c 147 _estack = __StackTop;
mbed_official 625:6502bcae5f2c 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 625:6502bcae5f2c 149 PROVIDE(__stack = __StackTop);
mbed_official 625:6502bcae5f2c 150
mbed_official 625:6502bcae5f2c 151 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 625:6502bcae5f2c 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 625:6502bcae5f2c 153 }