marcus chiou / mbed-src

mbed library sources

Fork of mbed-src by mbed official

targets/cmsis/TARGET_NORDIC/TARGET_MCU_NRF51822/TOOLCHAIN_GCC_ARM/TARGET_MCU_NORDIC_16K/NRF51822.ld@531:47d2b67c511f, 2015-04-30 (annotated)

Committer:
mbed_official
Date:
Thu Apr 30 13:00:08 2015 +0100
Revision:
531:47d2b67c511f
Parent:
517:29297862eac1 
Synchronized with git revision 3b811aedb1c127ceaeeaf179a7f1c11c3a1c7956



Full URL: https://github.com/mbedmicro/mbed/commit/3b811aedb1c127ceaeeaf179a7f1c11c3a1c7956/



S130 v1.0 from Nordic. This brings in a lot of BLE4.1 functionality

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 230:b37c24245c0d 1 /* Linker script to configure memory regions. */
mbed_official 230:b37c24245c0d 2
mbed_official 230:b37c24245c0d 3 MEMORY
mbed_official 230:b37c24245c0d 4 {
mbed_official 531:47d2b67c511f 5 FLASH (rx) : ORIGIN = 0x0001C000, LENGTH = 0x24000
mbed_official 531:47d2b67c511f 6 RAM (rwx) : ORIGIN = 0x20002800, LENGTH = 0x1800
mbed_official 230:b37c24245c0d 7 }
mbed_official 230:b37c24245c0d 8
mbed_official 230:b37c24245c0d 9 OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
mbed_official 230:b37c24245c0d 10
mbed_official 230:b37c24245c0d 11 /* Linker script to place sections and symbol values. Should be used together
mbed_official 230:b37c24245c0d 12 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 230:b37c24245c0d 13 * It references following symbols, which must be defined in code:
mbed_official 230:b37c24245c0d 14 * Reset_Handler : Entry of reset handler
mbed_official 252:188cc9bd3bd4 15 *
mbed_official 230:b37c24245c0d 16 * It defines following symbols, which code can use without definition:
mbed_official 230:b37c24245c0d 17 * __exidx_start
mbed_official 230:b37c24245c0d 18 * __exidx_end
mbed_official 230:b37c24245c0d 19 * __etext
mbed_official 230:b37c24245c0d 20 * __data_start__
mbed_official 230:b37c24245c0d 21 * __preinit_array_start
mbed_official 230:b37c24245c0d 22 * __preinit_array_end
mbed_official 230:b37c24245c0d 23 * __init_array_start
mbed_official 230:b37c24245c0d 24 * __init_array_end
mbed_official 230:b37c24245c0d 25 * __fini_array_start
mbed_official 230:b37c24245c0d 26 * __fini_array_end
mbed_official 230:b37c24245c0d 27 * __data_end__
mbed_official 230:b37c24245c0d 28 * __bss_start__
mbed_official 230:b37c24245c0d 29 * __bss_end__
mbed_official 230:b37c24245c0d 30 * __end__
mbed_official 230:b37c24245c0d 31 * end
mbed_official 230:b37c24245c0d 32 * __HeapLimit
mbed_official 230:b37c24245c0d 33 * __StackLimit
mbed_official 230:b37c24245c0d 34 * __StackTop
mbed_official 230:b37c24245c0d 35 * __stack
mbed_official 230:b37c24245c0d 36 */
mbed_official 230:b37c24245c0d 37 ENTRY(Reset_Handler)
mbed_official 230:b37c24245c0d 38
mbed_official 230:b37c24245c0d 39 SECTIONS
mbed_official 230:b37c24245c0d 40 {
mbed_official 230:b37c24245c0d 41 .text :
mbed_official 230:b37c24245c0d 42 {
mbed_official 230:b37c24245c0d 43 KEEP(*(.Vectors))
mbed_official 230:b37c24245c0d 44 *(.text*)
mbed_official 230:b37c24245c0d 45
mbed_official 282:4abd2456cfa5 46 KEEP(*(.init))
mbed_official 282:4abd2456cfa5 47 KEEP(*(.fini))
mbed_official 230:b37c24245c0d 48
mbed_official 230:b37c24245c0d 49 /* .ctors */
mbed_official 230:b37c24245c0d 50 *crtbegin.o(.ctors)
mbed_official 230:b37c24245c0d 51 *crtbegin?.o(.ctors)
mbed_official 230:b37c24245c0d 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 230:b37c24245c0d 53 *(SORT(.ctors.*))
mbed_official 230:b37c24245c0d 54 *(.ctors)
mbed_official 230:b37c24245c0d 55
mbed_official 230:b37c24245c0d 56 /* .dtors */
mbed_official 230:b37c24245c0d 57 *crtbegin.o(.dtors)
mbed_official 230:b37c24245c0d 58 *crtbegin?.o(.dtors)
mbed_official 230:b37c24245c0d 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 230:b37c24245c0d 60 *(SORT(.dtors.*))
mbed_official 230:b37c24245c0d 61 *(.dtors)
mbed_official 230:b37c24245c0d 62
mbed_official 230:b37c24245c0d 63 *(.rodata*)
mbed_official 230:b37c24245c0d 64
mbed_official 282:4abd2456cfa5 65 KEEP(*(.eh_frame*))
mbed_official 230:b37c24245c0d 66 } > FLASH
mbed_official 252:188cc9bd3bd4 67
mbed_official 230:b37c24245c0d 68
mbed_official 252:188cc9bd3bd4 69 .ARM.extab :
mbed_official 230:b37c24245c0d 70 {
mbed_official 230:b37c24245c0d 71 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 230:b37c24245c0d 72 } > FLASH
mbed_official 230:b37c24245c0d 73
mbed_official 230:b37c24245c0d 74 __exidx_start = .;
mbed_official 230:b37c24245c0d 75 .ARM.exidx :
mbed_official 230:b37c24245c0d 76 {
mbed_official 230:b37c24245c0d 77 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 230:b37c24245c0d 78 } > FLASH
mbed_official 230:b37c24245c0d 79 __exidx_end = .;
mbed_official 230:b37c24245c0d 80
mbed_official 230:b37c24245c0d 81 __etext = .;
mbed_official 252:188cc9bd3bd4 82
mbed_official 230:b37c24245c0d 83 .data : AT (__etext)
mbed_official 230:b37c24245c0d 84 {
mbed_official 230:b37c24245c0d 85 __data_start__ = .;
mbed_official 230:b37c24245c0d 86 *(vtable)
mbed_official 230:b37c24245c0d 87 *(.data*)
mbed_official 230:b37c24245c0d 88
mbed_official 230:b37c24245c0d 89 . = ALIGN(4);
mbed_official 230:b37c24245c0d 90 /* preinit data */
mbed_official 230:b37c24245c0d 91 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 282:4abd2456cfa5 92 KEEP(*(.preinit_array))
mbed_official 230:b37c24245c0d 93 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 230:b37c24245c0d 94
mbed_official 230:b37c24245c0d 95 . = ALIGN(4);
mbed_official 230:b37c24245c0d 96 /* init data */
mbed_official 230:b37c24245c0d 97 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 282:4abd2456cfa5 98 KEEP(*(SORT(.init_array.*)))
mbed_official 282:4abd2456cfa5 99 KEEP(*(.init_array))
mbed_official 230:b37c24245c0d 100 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 230:b37c24245c0d 101
mbed_official 230:b37c24245c0d 102
mbed_official 230:b37c24245c0d 103 . = ALIGN(4);
mbed_official 230:b37c24245c0d 104 /* finit data */
mbed_official 230:b37c24245c0d 105 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 282:4abd2456cfa5 106 KEEP(*(SORT(.fini_array.*)))
mbed_official 282:4abd2456cfa5 107 KEEP(*(.fini_array))
mbed_official 230:b37c24245c0d 108 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 230:b37c24245c0d 109
mbed_official 230:b37c24245c0d 110 *(.jcr)
mbed_official 230:b37c24245c0d 111 . = ALIGN(4);
mbed_official 230:b37c24245c0d 112 /* All data end */
mbed_official 230:b37c24245c0d 113 __data_end__ = .;
mbed_official 230:b37c24245c0d 114
mbed_official 230:b37c24245c0d 115 } > RAM
mbed_official 230:b37c24245c0d 116
mbed_official 230:b37c24245c0d 117 .bss :
mbed_official 230:b37c24245c0d 118 {
mbed_official 230:b37c24245c0d 119 . = ALIGN(4);
mbed_official 230:b37c24245c0d 120 __bss_start__ = .;
mbed_official 230:b37c24245c0d 121 *(.bss*)
mbed_official 230:b37c24245c0d 122 *(COMMON)
mbed_official 230:b37c24245c0d 123 . = ALIGN(4);
mbed_official 230:b37c24245c0d 124 __bss_end__ = .;
mbed_official 230:b37c24245c0d 125 } > RAM
mbed_official 252:188cc9bd3bd4 126
mbed_official 230:b37c24245c0d 127 .heap (COPY):
mbed_official 230:b37c24245c0d 128 {
mbed_official 230:b37c24245c0d 129 __end__ = .;
mbed_official 230:b37c24245c0d 130 end = __end__;
mbed_official 230:b37c24245c0d 131 *(.heap*)
mbed_official 230:b37c24245c0d 132 __HeapLimit = .;
mbed_official 230:b37c24245c0d 133 } > RAM
mbed_official 230:b37c24245c0d 134
mbed_official 230:b37c24245c0d 135 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 230:b37c24245c0d 136 * used for linker to calculate size of stack sections, and assign
mbed_official 230:b37c24245c0d 137 * values to stack symbols later */
mbed_official 230:b37c24245c0d 138 .stack_dummy (COPY):
mbed_official 230:b37c24245c0d 139 {
mbed_official 230:b37c24245c0d 140 *(.stack*)
mbed_official 230:b37c24245c0d 141 } > RAM
mbed_official 230:b37c24245c0d 142
mbed_official 230:b37c24245c0d 143 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 230:b37c24245c0d 144 * size of stack_dummy section */
mbed_official 230:b37c24245c0d 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 230:b37c24245c0d 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 230:b37c24245c0d 147 PROVIDE(__stack = __StackTop);
mbed_official 252:188cc9bd3bd4 148
mbed_official 230:b37c24245c0d 149 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 230:b37c24245c0d 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 230:b37c24245c0d 151 }