gabriel della-monica / mbed-src

mbed library sources

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targets/cmsis/TARGET_STM/TARGET_STM32L1/TARGET_NUCLEO_L152RE/TOOLCHAIN_GCC_ARM/STM32L152XE.ld@425:91481e778ca2, 2014-12-03 (annotated)

Committer:
mbed_official
Date:
Wed Dec 03 09:45:08 2014 +0000
Revision:
425:91481e778ca2
Parent:
419:d1a75cbecf6e 
Synchronized with git revision da233f6e5eb075b1e8d1fcc1438f74d3cb08e2ab



Full URL: https://github.com/mbedmicro/mbed/commit/da233f6e5eb075b1e8d1fcc1438f74d3cb08e2ab/



Targets: Fix GCC ARM linker script for STM32L1  (STM32L152XE)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 419:d1a75cbecf6e 1 /* Linker script to configure memory regions. */
mbed_official 419:d1a75cbecf6e 2 MEMORY
mbed_official 419:d1a75cbecf6e 3 {
mbed_official 425:91481e778ca2 4 /* 512KB FLASH, 80KB RAM, Reserve up till 0x13C. There are 0x73 vectors = 292
mbed_official 425:91481e778ca2 5 * bytes (0x124) in RAM. But all GCC scripts seem to require BootRAM @0x138
mbed_official 425:91481e778ca2 6 */
mbed_official 425:91481e778ca2 7 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 512k
mbed_official 425:91481e778ca2 8 RAM (rwx) : ORIGIN = 0x2000013C, LENGTH = 0x14000-0x13C
mbed_official 419:d1a75cbecf6e 9 }
mbed_official 419:d1a75cbecf6e 10
mbed_official 419:d1a75cbecf6e 11 /* Linker script to place sections and symbol values. Should be used together
mbed_official 419:d1a75cbecf6e 12 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 419:d1a75cbecf6e 13 * It references following symbols, which must be defined in code:
mbed_official 419:d1a75cbecf6e 14 * Reset_Handler : Entry of reset handler
mbed_official 419:d1a75cbecf6e 15 *
mbed_official 419:d1a75cbecf6e 16 * It defines following symbols, which code can use without definition:
mbed_official 419:d1a75cbecf6e 17 * __exidx_start
mbed_official 419:d1a75cbecf6e 18 * __exidx_end
mbed_official 419:d1a75cbecf6e 19 * __etext
mbed_official 419:d1a75cbecf6e 20 * __data_start__
mbed_official 419:d1a75cbecf6e 21 * __preinit_array_start
mbed_official 419:d1a75cbecf6e 22 * __preinit_array_end
mbed_official 419:d1a75cbecf6e 23 * __init_array_start
mbed_official 419:d1a75cbecf6e 24 * __init_array_end
mbed_official 419:d1a75cbecf6e 25 * __fini_array_start
mbed_official 419:d1a75cbecf6e 26 * __fini_array_end
mbed_official 419:d1a75cbecf6e 27 * __data_end__
mbed_official 419:d1a75cbecf6e 28 * __bss_start__
mbed_official 419:d1a75cbecf6e 29 * __bss_end__
mbed_official 419:d1a75cbecf6e 30 * __end__
mbed_official 419:d1a75cbecf6e 31 * end
mbed_official 419:d1a75cbecf6e 32 * __HeapLimit
mbed_official 419:d1a75cbecf6e 33 * __StackLimit
mbed_official 419:d1a75cbecf6e 34 * __StackTop
mbed_official 419:d1a75cbecf6e 35 * __stack
mbed_official 419:d1a75cbecf6e 36 * _estack
mbed_official 419:d1a75cbecf6e 37 */
mbed_official 419:d1a75cbecf6e 38 ENTRY(Reset_Handler)
mbed_official 419:d1a75cbecf6e 39
mbed_official 419:d1a75cbecf6e 40 SECTIONS
mbed_official 419:d1a75cbecf6e 41 {
mbed_official 419:d1a75cbecf6e 42 .text :
mbed_official 419:d1a75cbecf6e 43 {
mbed_official 419:d1a75cbecf6e 44 KEEP(*(.isr_vector))
mbed_official 419:d1a75cbecf6e 45 *(.text*)
mbed_official 419:d1a75cbecf6e 46 KEEP(*(.init))
mbed_official 419:d1a75cbecf6e 47 KEEP(*(.fini))
mbed_official 419:d1a75cbecf6e 48
mbed_official 419:d1a75cbecf6e 49 /* .ctors */
mbed_official 419:d1a75cbecf6e 50 *crtbegin.o(.ctors)
mbed_official 419:d1a75cbecf6e 51 *crtbegin?.o(.ctors)
mbed_official 419:d1a75cbecf6e 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 419:d1a75cbecf6e 53 *(SORT(.ctors.*))
mbed_official 419:d1a75cbecf6e 54 *(.ctors)
mbed_official 419:d1a75cbecf6e 55
mbed_official 419:d1a75cbecf6e 56 /* .dtors */
mbed_official 419:d1a75cbecf6e 57 *crtbegin.o(.dtors)
mbed_official 419:d1a75cbecf6e 58 *crtbegin?.o(.dtors)
mbed_official 419:d1a75cbecf6e 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 419:d1a75cbecf6e 60 *(SORT(.dtors.*))
mbed_official 419:d1a75cbecf6e 61 *(.dtors)
mbed_official 419:d1a75cbecf6e 62
mbed_official 419:d1a75cbecf6e 63 *(.rodata*)
mbed_official 419:d1a75cbecf6e 64
mbed_official 419:d1a75cbecf6e 65 KEEP(*(.eh_frame*))
mbed_official 419:d1a75cbecf6e 66 } > FLASH
mbed_official 419:d1a75cbecf6e 67
mbed_official 419:d1a75cbecf6e 68 .ARM.extab :
mbed_official 419:d1a75cbecf6e 69 {
mbed_official 419:d1a75cbecf6e 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 419:d1a75cbecf6e 71 } > FLASH
mbed_official 419:d1a75cbecf6e 72
mbed_official 419:d1a75cbecf6e 73 __exidx_start = .;
mbed_official 419:d1a75cbecf6e 74 .ARM.exidx :
mbed_official 419:d1a75cbecf6e 75 {
mbed_official 419:d1a75cbecf6e 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 419:d1a75cbecf6e 77 } > FLASH
mbed_official 419:d1a75cbecf6e 78 __exidx_end = .;
mbed_official 419:d1a75cbecf6e 79
mbed_official 419:d1a75cbecf6e 80 __etext = .;
mbed_official 419:d1a75cbecf6e 81 _sidata = .;
mbed_official 419:d1a75cbecf6e 82
mbed_official 419:d1a75cbecf6e 83 .data : AT (__etext)
mbed_official 419:d1a75cbecf6e 84 {
mbed_official 419:d1a75cbecf6e 85 __data_start__ = .;
mbed_official 419:d1a75cbecf6e 86 _sdata = .;
mbed_official 419:d1a75cbecf6e 87 *(vtable)
mbed_official 419:d1a75cbecf6e 88 *(.data*)
mbed_official 419:d1a75cbecf6e 89
mbed_official 419:d1a75cbecf6e 90 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 91 /* preinit data */
mbed_official 419:d1a75cbecf6e 92 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 419:d1a75cbecf6e 93 KEEP(*(.preinit_array))
mbed_official 419:d1a75cbecf6e 94 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 419:d1a75cbecf6e 95
mbed_official 419:d1a75cbecf6e 96 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 97 /* init data */
mbed_official 419:d1a75cbecf6e 98 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 419:d1a75cbecf6e 99 KEEP(*(SORT(.init_array.*)))
mbed_official 419:d1a75cbecf6e 100 KEEP(*(.init_array))
mbed_official 419:d1a75cbecf6e 101 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 419:d1a75cbecf6e 102
mbed_official 419:d1a75cbecf6e 103
mbed_official 419:d1a75cbecf6e 104 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 105 /* finit data */
mbed_official 419:d1a75cbecf6e 106 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 419:d1a75cbecf6e 107 KEEP(*(SORT(.fini_array.*)))
mbed_official 419:d1a75cbecf6e 108 KEEP(*(.fini_array))
mbed_official 419:d1a75cbecf6e 109 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 419:d1a75cbecf6e 110
mbed_official 419:d1a75cbecf6e 111 KEEP(*(.jcr*))
mbed_official 419:d1a75cbecf6e 112 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 113 /* All data end */
mbed_official 419:d1a75cbecf6e 114 __data_end__ = .;
mbed_official 419:d1a75cbecf6e 115 _edata = .;
mbed_official 419:d1a75cbecf6e 116
mbed_official 419:d1a75cbecf6e 117 } > RAM
mbed_official 419:d1a75cbecf6e 118
mbed_official 419:d1a75cbecf6e 119 .bss :
mbed_official 419:d1a75cbecf6e 120 {
mbed_official 419:d1a75cbecf6e 121 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 122 __bss_start__ = .;
mbed_official 419:d1a75cbecf6e 123 _sbss = .;
mbed_official 419:d1a75cbecf6e 124 *(.bss*)
mbed_official 419:d1a75cbecf6e 125 *(COMMON)
mbed_official 419:d1a75cbecf6e 126 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 127 __bss_end__ = .;
mbed_official 419:d1a75cbecf6e 128 _ebss = .;
mbed_official 419:d1a75cbecf6e 129 } > RAM
mbed_official 419:d1a75cbecf6e 130
mbed_official 419:d1a75cbecf6e 131 .heap (COPY):
mbed_official 419:d1a75cbecf6e 132 {
mbed_official 419:d1a75cbecf6e 133 __end__ = .;
mbed_official 419:d1a75cbecf6e 134 end = __end__;
mbed_official 419:d1a75cbecf6e 135 *(.heap*)
mbed_official 419:d1a75cbecf6e 136 __HeapLimit = .;
mbed_official 419:d1a75cbecf6e 137 } > RAM
mbed_official 419:d1a75cbecf6e 138
mbed_official 419:d1a75cbecf6e 139 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 419:d1a75cbecf6e 140 * used for linker to calculate size of stack sections, and assign
mbed_official 419:d1a75cbecf6e 141 * values to stack symbols later */
mbed_official 419:d1a75cbecf6e 142 .stack_dummy (COPY):
mbed_official 419:d1a75cbecf6e 143 {
mbed_official 419:d1a75cbecf6e 144 *(.stack*)
mbed_official 419:d1a75cbecf6e 145 } > RAM
mbed_official 419:d1a75cbecf6e 146
mbed_official 419:d1a75cbecf6e 147 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 419:d1a75cbecf6e 148 * size of stack_dummy section */
mbed_official 419:d1a75cbecf6e 149 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 419:d1a75cbecf6e 150 _estack = __StackTop;
mbed_official 419:d1a75cbecf6e 151 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 419:d1a75cbecf6e 152 PROVIDE(__stack = __StackTop);
mbed_official 419:d1a75cbecf6e 153
mbed_official 419:d1a75cbecf6e 154 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 419:d1a75cbecf6e 155 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 419:d1a75cbecf6e 156 }