SDK Development / mbed-src

mbed SDK library sources

Fork of mbed-src by mbed official

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_Freescale/TARGET_KLXX/TARGET_KL25Z/TOOLCHAIN_GCC_CW_NEWLIB/MKL25Z4.ld@82:0b31dbcd4769, 2014-01-31 (annotated)

Committer:
mbed_official
Date:
Fri Jan 31 10:00:06 2014 +0000
Revision:
82:0b31dbcd4769
Synchronized with git revision 74409cbd593d1daab530a57baaa563f30b04b018



Full URL: https://github.com/mbedmicro/mbed/commit/74409cbd593d1daab530a57baaa563f30b04b018/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 82:0b31dbcd4769 1 /* Linker script for mbed LPC1768 */
mbed_official 82:0b31dbcd4769 2
mbed_official 82:0b31dbcd4769 3 /* Linker script to configure memory regions. */
mbed_official 82:0b31dbcd4769 4 MEMORY
mbed_official 82:0b31dbcd4769 5 {
mbed_official 82:0b31dbcd4769 6 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K
mbed_official 82:0b31dbcd4769 7 RAM (rwx) : ORIGIN = 0x1FFFF0C0, LENGTH = 0x3F40
mbed_official 82:0b31dbcd4769 8 }
mbed_official 82:0b31dbcd4769 9
mbed_official 82:0b31dbcd4769 10 /* Linker script to place sections and symbol values. Should be used together
mbed_official 82:0b31dbcd4769 11 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 82:0b31dbcd4769 12 * It references following symbols, which must be defined in code:
mbed_official 82:0b31dbcd4769 13 * Reset_Handler : Entry of reset handler
mbed_official 82:0b31dbcd4769 14 *
mbed_official 82:0b31dbcd4769 15 * It defines following symbols, which code can use without definition:
mbed_official 82:0b31dbcd4769 16 * __exidx_start
mbed_official 82:0b31dbcd4769 17 * __exidx_end
mbed_official 82:0b31dbcd4769 18 * __etext
mbed_official 82:0b31dbcd4769 19 * __data_start__
mbed_official 82:0b31dbcd4769 20 * __preinit_array_start
mbed_official 82:0b31dbcd4769 21 * __preinit_array_end
mbed_official 82:0b31dbcd4769 22 * __init_array_start
mbed_official 82:0b31dbcd4769 23 * __init_array_end
mbed_official 82:0b31dbcd4769 24 * __fini_array_start
mbed_official 82:0b31dbcd4769 25 * __fini_array_end
mbed_official 82:0b31dbcd4769 26 * __data_end__
mbed_official 82:0b31dbcd4769 27 * __bss_start__
mbed_official 82:0b31dbcd4769 28 * __bss_end__
mbed_official 82:0b31dbcd4769 29 * __end__
mbed_official 82:0b31dbcd4769 30 * end
mbed_official 82:0b31dbcd4769 31 * __HeapLimit
mbed_official 82:0b31dbcd4769 32 * __StackLimit
mbed_official 82:0b31dbcd4769 33 * __StackTop
mbed_official 82:0b31dbcd4769 34 * __stack
mbed_official 82:0b31dbcd4769 35 */
mbed_official 82:0b31dbcd4769 36 ENTRY(Reset_Handler)
mbed_official 82:0b31dbcd4769 37
mbed_official 82:0b31dbcd4769 38 SECTIONS
mbed_official 82:0b31dbcd4769 39 {
mbed_official 82:0b31dbcd4769 40 .text :
mbed_official 82:0b31dbcd4769 41 {
mbed_official 82:0b31dbcd4769 42 KEEP(*(.isr_vector))
mbed_official 82:0b31dbcd4769 43 *(.text.Reset_Handler)
mbed_official 82:0b31dbcd4769 44 *(.text.SystemInit)
mbed_official 82:0b31dbcd4769 45
mbed_official 82:0b31dbcd4769 46 /* Only vectors and code running at reset are safe to be in first 512
mbed_official 82:0b31dbcd4769 47 bytes since RAM can be mapped into this area for RAM based interrupt
mbed_official 82:0b31dbcd4769 48 vectors. */
mbed_official 82:0b31dbcd4769 49 . = 0x00000200;
mbed_official 82:0b31dbcd4769 50 *(.text*)
mbed_official 82:0b31dbcd4769 51
mbed_official 82:0b31dbcd4769 52 KEEP(*(.init))
mbed_official 82:0b31dbcd4769 53 KEEP(*(.fini))
mbed_official 82:0b31dbcd4769 54
mbed_official 82:0b31dbcd4769 55 /* .ctors */
mbed_official 82:0b31dbcd4769 56 *crtbegin.o(.ctors)
mbed_official 82:0b31dbcd4769 57 *crtbegin?.o(.ctors)
mbed_official 82:0b31dbcd4769 58 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 82:0b31dbcd4769 59 *(SORT(.ctors.*))
mbed_official 82:0b31dbcd4769 60 *(.ctors)
mbed_official 82:0b31dbcd4769 61
mbed_official 82:0b31dbcd4769 62 /* .dtors */
mbed_official 82:0b31dbcd4769 63 *crtbegin.o(.dtors)
mbed_official 82:0b31dbcd4769 64 *crtbegin?.o(.dtors)
mbed_official 82:0b31dbcd4769 65 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 82:0b31dbcd4769 66 *(SORT(.dtors.*))
mbed_official 82:0b31dbcd4769 67 *(.dtors)
mbed_official 82:0b31dbcd4769 68
mbed_official 82:0b31dbcd4769 69 *(.rodata*)
mbed_official 82:0b31dbcd4769 70
mbed_official 82:0b31dbcd4769 71 KEEP(*(.eh_frame*))
mbed_official 82:0b31dbcd4769 72 } > FLASH
mbed_official 82:0b31dbcd4769 73
mbed_official 82:0b31dbcd4769 74 .ARM.extab :
mbed_official 82:0b31dbcd4769 75 {
mbed_official 82:0b31dbcd4769 76 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 82:0b31dbcd4769 77 } > FLASH
mbed_official 82:0b31dbcd4769 78
mbed_official 82:0b31dbcd4769 79 __exidx_start = .;
mbed_official 82:0b31dbcd4769 80 .ARM.exidx :
mbed_official 82:0b31dbcd4769 81 {
mbed_official 82:0b31dbcd4769 82 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 82:0b31dbcd4769 83 } > FLASH
mbed_official 82:0b31dbcd4769 84 __exidx_end = .;
mbed_official 82:0b31dbcd4769 85
mbed_official 82:0b31dbcd4769 86 __etext = .;
mbed_official 82:0b31dbcd4769 87
mbed_official 82:0b31dbcd4769 88 .data : AT (__etext)
mbed_official 82:0b31dbcd4769 89 {
mbed_official 82:0b31dbcd4769 90 __data_start__ = .;
mbed_official 82:0b31dbcd4769 91 *(vtable)
mbed_official 82:0b31dbcd4769 92 *(.data*)
mbed_official 82:0b31dbcd4769 93
mbed_official 82:0b31dbcd4769 94 . = ALIGN(4);
mbed_official 82:0b31dbcd4769 95 /* preinit data */
mbed_official 82:0b31dbcd4769 96 PROVIDE (__preinit_array_start = .);
mbed_official 82:0b31dbcd4769 97 KEEP(*(.preinit_array))
mbed_official 82:0b31dbcd4769 98 PROVIDE (__preinit_array_end = .);
mbed_official 82:0b31dbcd4769 99
mbed_official 82:0b31dbcd4769 100 . = ALIGN(4);
mbed_official 82:0b31dbcd4769 101 /* init data */
mbed_official 82:0b31dbcd4769 102 PROVIDE (__init_array_start = .);
mbed_official 82:0b31dbcd4769 103 KEEP(*(SORT(.init_array.*)))
mbed_official 82:0b31dbcd4769 104 KEEP(*(.init_array))
mbed_official 82:0b31dbcd4769 105 PROVIDE (__init_array_end = .);
mbed_official 82:0b31dbcd4769 106
mbed_official 82:0b31dbcd4769 107
mbed_official 82:0b31dbcd4769 108 . = ALIGN(4);
mbed_official 82:0b31dbcd4769 109 /* finit data */
mbed_official 82:0b31dbcd4769 110 PROVIDE (__fini_array_start = .);
mbed_official 82:0b31dbcd4769 111 KEEP(*(SORT(.fini_array.*)))
mbed_official 82:0b31dbcd4769 112 KEEP(*(.fini_array))
mbed_official 82:0b31dbcd4769 113 PROVIDE (__fini_array_end = .);
mbed_official 82:0b31dbcd4769 114
mbed_official 82:0b31dbcd4769 115 . = ALIGN(4);
mbed_official 82:0b31dbcd4769 116 /* All data end */
mbed_official 82:0b31dbcd4769 117 __data_end__ = .;
mbed_official 82:0b31dbcd4769 118
mbed_official 82:0b31dbcd4769 119 } > RAM
mbed_official 82:0b31dbcd4769 120
mbed_official 82:0b31dbcd4769 121 .bss :
mbed_official 82:0b31dbcd4769 122 {
mbed_official 82:0b31dbcd4769 123 __bss_start__ = .;
mbed_official 82:0b31dbcd4769 124 *(.bss*)
mbed_official 82:0b31dbcd4769 125 *(COMMON)
mbed_official 82:0b31dbcd4769 126 __bss_end__ = .;
mbed_official 82:0b31dbcd4769 127 } > RAM
mbed_official 82:0b31dbcd4769 128
mbed_official 82:0b31dbcd4769 129 .heap :
mbed_official 82:0b31dbcd4769 130 {
mbed_official 82:0b31dbcd4769 131 __end__ = .;
mbed_official 82:0b31dbcd4769 132 end = __end__;
mbed_official 82:0b31dbcd4769 133 *(.heap*)
mbed_official 82:0b31dbcd4769 134 __HeapLimit = .;
mbed_official 82:0b31dbcd4769 135 } > RAM
mbed_official 82:0b31dbcd4769 136
mbed_official 82:0b31dbcd4769 137 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 82:0b31dbcd4769 138 * used for linker to calculate size of stack sections, and assign
mbed_official 82:0b31dbcd4769 139 * values to stack symbols later */
mbed_official 82:0b31dbcd4769 140 .stack_dummy :
mbed_official 82:0b31dbcd4769 141 {
mbed_official 82:0b31dbcd4769 142 *(.stack)
mbed_official 82:0b31dbcd4769 143 } > RAM
mbed_official 82:0b31dbcd4769 144
mbed_official 82:0b31dbcd4769 145 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 82:0b31dbcd4769 146 * size of stack_dummy section */
mbed_official 82:0b31dbcd4769 147 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 82:0b31dbcd4769 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 82:0b31dbcd4769 149 PROVIDE(__stack = __StackTop);
mbed_official 82:0b31dbcd4769 150
mbed_official 82:0b31dbcd4769 151 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 82:0b31dbcd4769 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 82:0b31dbcd4769 153 }