shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src 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 }