mbed library sources

Fork of mbed-src by mbed official

Committer:
moirans2
Date:
Wed Jan 14 20:53:08 2015 +0000
Revision:
445:9a3ffe6cfa19
Parent:
419:d1a75cbecf6e
internal clock stm32L051

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 419:d1a75cbecf6e 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 64K
mbed_official 419:d1a75cbecf6e 5 CCMRAM (rw) : ORIGIN = 0x10000000, LENGTH = 4K
mbed_official 419:d1a75cbecf6e 6 RAM (xrw) : ORIGIN = 0x20000188, LENGTH = 12K - 0x0188
mbed_official 419:d1a75cbecf6e 7 }
mbed_official 419:d1a75cbecf6e 8
mbed_official 419:d1a75cbecf6e 9 /* Linker script to place sections and symbol values. Should be used together
mbed_official 419:d1a75cbecf6e 10 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 419:d1a75cbecf6e 11 * It references following symbols, which must be defined in code:
mbed_official 419:d1a75cbecf6e 12 * Reset_Handler : Entry of reset handler
mbed_official 419:d1a75cbecf6e 13 *
mbed_official 419:d1a75cbecf6e 14 * It defines following symbols, which code can use without definition:
mbed_official 419:d1a75cbecf6e 15 * __exidx_start
mbed_official 419:d1a75cbecf6e 16 * __exidx_end
mbed_official 419:d1a75cbecf6e 17 * __etext
mbed_official 419:d1a75cbecf6e 18 * __data_start__
mbed_official 419:d1a75cbecf6e 19 * __preinit_array_start
mbed_official 419:d1a75cbecf6e 20 * __preinit_array_end
mbed_official 419:d1a75cbecf6e 21 * __init_array_start
mbed_official 419:d1a75cbecf6e 22 * __init_array_end
mbed_official 419:d1a75cbecf6e 23 * __fini_array_start
mbed_official 419:d1a75cbecf6e 24 * __fini_array_end
mbed_official 419:d1a75cbecf6e 25 * __data_end__
mbed_official 419:d1a75cbecf6e 26 * __bss_start__
mbed_official 419:d1a75cbecf6e 27 * __bss_end__
mbed_official 419:d1a75cbecf6e 28 * __end__
mbed_official 419:d1a75cbecf6e 29 * end
mbed_official 419:d1a75cbecf6e 30 * __HeapLimit
mbed_official 419:d1a75cbecf6e 31 * __StackLimit
mbed_official 419:d1a75cbecf6e 32 * __StackTop
mbed_official 419:d1a75cbecf6e 33 * __stack
mbed_official 419:d1a75cbecf6e 34 * _estack
mbed_official 419:d1a75cbecf6e 35 */
mbed_official 419:d1a75cbecf6e 36 ENTRY(Reset_Handler)
mbed_official 419:d1a75cbecf6e 37
mbed_official 419:d1a75cbecf6e 38 SECTIONS
mbed_official 419:d1a75cbecf6e 39 {
mbed_official 419:d1a75cbecf6e 40 .text :
mbed_official 419:d1a75cbecf6e 41 {
mbed_official 419:d1a75cbecf6e 42 KEEP(*(.isr_vector))
mbed_official 419:d1a75cbecf6e 43 *(.text*)
mbed_official 419:d1a75cbecf6e 44 KEEP(*(.init))
mbed_official 419:d1a75cbecf6e 45 KEEP(*(.fini))
mbed_official 419:d1a75cbecf6e 46
mbed_official 419:d1a75cbecf6e 47 /* .ctors */
mbed_official 419:d1a75cbecf6e 48 *crtbegin.o(.ctors)
mbed_official 419:d1a75cbecf6e 49 *crtbegin?.o(.ctors)
mbed_official 419:d1a75cbecf6e 50 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 419:d1a75cbecf6e 51 *(SORT(.ctors.*))
mbed_official 419:d1a75cbecf6e 52 *(.ctors)
mbed_official 419:d1a75cbecf6e 53
mbed_official 419:d1a75cbecf6e 54 /* .dtors */
mbed_official 419:d1a75cbecf6e 55 *crtbegin.o(.dtors)
mbed_official 419:d1a75cbecf6e 56 *crtbegin?.o(.dtors)
mbed_official 419:d1a75cbecf6e 57 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 419:d1a75cbecf6e 58 *(SORT(.dtors.*))
mbed_official 419:d1a75cbecf6e 59 *(.dtors)
mbed_official 419:d1a75cbecf6e 60
mbed_official 419:d1a75cbecf6e 61 *(.rodata*)
mbed_official 419:d1a75cbecf6e 62
mbed_official 419:d1a75cbecf6e 63 KEEP(*(.eh_frame*))
mbed_official 419:d1a75cbecf6e 64 } > FLASH
mbed_official 419:d1a75cbecf6e 65
mbed_official 419:d1a75cbecf6e 66 .ARM.extab :
mbed_official 419:d1a75cbecf6e 67 {
mbed_official 419:d1a75cbecf6e 68 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 419:d1a75cbecf6e 69 } > FLASH
mbed_official 419:d1a75cbecf6e 70
mbed_official 419:d1a75cbecf6e 71 __exidx_start = .;
mbed_official 419:d1a75cbecf6e 72 .ARM.exidx :
mbed_official 419:d1a75cbecf6e 73 {
mbed_official 419:d1a75cbecf6e 74 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 419:d1a75cbecf6e 75 } > FLASH
mbed_official 419:d1a75cbecf6e 76 __exidx_end = .;
mbed_official 419:d1a75cbecf6e 77
mbed_official 419:d1a75cbecf6e 78 __etext = .;
mbed_official 419:d1a75cbecf6e 79 _sidata = .;
mbed_official 419:d1a75cbecf6e 80
mbed_official 419:d1a75cbecf6e 81 .data : AT (__etext)
mbed_official 419:d1a75cbecf6e 82 {
mbed_official 419:d1a75cbecf6e 83 __data_start__ = .;
mbed_official 419:d1a75cbecf6e 84 _sdata = .;
mbed_official 419:d1a75cbecf6e 85 *(vtable)
mbed_official 419:d1a75cbecf6e 86 *(.data*)
mbed_official 419:d1a75cbecf6e 87
mbed_official 419:d1a75cbecf6e 88 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 89 /* preinit data */
mbed_official 419:d1a75cbecf6e 90 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 419:d1a75cbecf6e 91 KEEP(*(.preinit_array))
mbed_official 419:d1a75cbecf6e 92 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 419:d1a75cbecf6e 93
mbed_official 419:d1a75cbecf6e 94 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 95 /* init data */
mbed_official 419:d1a75cbecf6e 96 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 419:d1a75cbecf6e 97 KEEP(*(SORT(.init_array.*)))
mbed_official 419:d1a75cbecf6e 98 KEEP(*(.init_array))
mbed_official 419:d1a75cbecf6e 99 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 419:d1a75cbecf6e 100
mbed_official 419:d1a75cbecf6e 101
mbed_official 419:d1a75cbecf6e 102 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 103 /* finit data */
mbed_official 419:d1a75cbecf6e 104 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 419:d1a75cbecf6e 105 KEEP(*(SORT(.fini_array.*)))
mbed_official 419:d1a75cbecf6e 106 KEEP(*(.fini_array))
mbed_official 419:d1a75cbecf6e 107 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 419:d1a75cbecf6e 108
mbed_official 419:d1a75cbecf6e 109 KEEP(*(.jcr*))
mbed_official 419:d1a75cbecf6e 110 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 111 /* All data end */
mbed_official 419:d1a75cbecf6e 112 __data_end__ = .;
mbed_official 419:d1a75cbecf6e 113 _edata = .;
mbed_official 419:d1a75cbecf6e 114
mbed_official 419:d1a75cbecf6e 115 } > RAM
mbed_official 419:d1a75cbecf6e 116
mbed_official 419:d1a75cbecf6e 117 .bss :
mbed_official 419:d1a75cbecf6e 118 {
mbed_official 419:d1a75cbecf6e 119 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 120 __bss_start__ = .;
mbed_official 419:d1a75cbecf6e 121 _sbss = .;
mbed_official 419:d1a75cbecf6e 122 *(.bss*)
mbed_official 419:d1a75cbecf6e 123 *(COMMON)
mbed_official 419:d1a75cbecf6e 124 . = ALIGN(4);
mbed_official 419:d1a75cbecf6e 125 __bss_end__ = .;
mbed_official 419:d1a75cbecf6e 126 _ebss = .;
mbed_official 419:d1a75cbecf6e 127 } > RAM
mbed_official 419:d1a75cbecf6e 128
mbed_official 419:d1a75cbecf6e 129 .heap (COPY):
mbed_official 419:d1a75cbecf6e 130 {
mbed_official 419:d1a75cbecf6e 131 __end__ = .;
mbed_official 419:d1a75cbecf6e 132 end = __end__;
mbed_official 419:d1a75cbecf6e 133 *(.heap*)
mbed_official 419:d1a75cbecf6e 134 __HeapLimit = .;
mbed_official 419:d1a75cbecf6e 135 } > RAM
mbed_official 419:d1a75cbecf6e 136
mbed_official 419:d1a75cbecf6e 137 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 419:d1a75cbecf6e 138 * used for linker to calculate size of stack sections, and assign
mbed_official 419:d1a75cbecf6e 139 * values to stack symbols later */
mbed_official 419:d1a75cbecf6e 140 .stack_dummy (COPY):
mbed_official 419:d1a75cbecf6e 141 {
mbed_official 419:d1a75cbecf6e 142 *(.stack*)
mbed_official 419:d1a75cbecf6e 143 } > RAM
mbed_official 419:d1a75cbecf6e 144
mbed_official 419:d1a75cbecf6e 145 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 419:d1a75cbecf6e 146 * size of stack_dummy section */
mbed_official 419:d1a75cbecf6e 147 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 419:d1a75cbecf6e 148 _estack = __StackTop;
mbed_official 419:d1a75cbecf6e 149 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 419:d1a75cbecf6e 150 PROVIDE(__stack = __StackTop);
mbed_official 419:d1a75cbecf6e 151
mbed_official 419:d1a75cbecf6e 152 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 419:d1a75cbecf6e 153 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 419:d1a75cbecf6e 154 }
mbed_official 419:d1a75cbecf6e 155