Joris Aerts / mbed-src

mbed library sources

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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 }