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_K20D5M/TOOLCHAIN_GCC_ARM/MK20D5.ld@68:41613245dfd7, 2013-12-26 (annotated)

Committer:
mbed_official
Date:
Thu Dec 26 13:00:06 2013 +0000
Revision:
68:41613245dfd7
Synchronized with git revision fba199a9c4445231b0f38e1e113c118182635546



Full URL: https://github.com/mbedmicro/mbed/commit/fba199a9c4445231b0f38e1e113c118182635546/



target K20D5M

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 68:41613245dfd7 1 /*
mbed_official 68:41613245dfd7 2 * K20 ARM GCC linker script file
mbed_official 68:41613245dfd7 3 */
mbed_official 68:41613245dfd7 4
mbed_official 68:41613245dfd7 5 MEMORY
mbed_official 68:41613245dfd7 6 {
mbed_official 68:41613245dfd7 7 VECTORS (rx) : ORIGIN = 0x00000000, LENGTH = 0x00000400
mbed_official 68:41613245dfd7 8 FLASH_PROTECTION (rx) : ORIGIN = 0x00000400, LENGTH = 0x00000010
mbed_official 68:41613245dfd7 9 FLASH (rx) : ORIGIN = 0x00000410, LENGTH = 128K - 0x00000410
mbed_official 68:41613245dfd7 10 RAM (rwx) : ORIGIN = 0x1FFFE0F8, LENGTH = 16K - 0xF8
mbed_official 68:41613245dfd7 11 }
mbed_official 68:41613245dfd7 12
mbed_official 68:41613245dfd7 13 /* Linker script to place sections and symbol values. Should be used together
mbed_official 68:41613245dfd7 14 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 68:41613245dfd7 15 * It references following symbols, which must be defined in code:
mbed_official 68:41613245dfd7 16 * _reset_init : Entry of reset handler
mbed_official 68:41613245dfd7 17 *
mbed_official 68:41613245dfd7 18 * It defines following symbols, which code can use without definition:
mbed_official 68:41613245dfd7 19 * __exidx_start
mbed_official 68:41613245dfd7 20 * __exidx_end
mbed_official 68:41613245dfd7 21 * __etext
mbed_official 68:41613245dfd7 22 * __data_start__
mbed_official 68:41613245dfd7 23 * __preinit_array_start
mbed_official 68:41613245dfd7 24 * __preinit_array_end
mbed_official 68:41613245dfd7 25 * __init_array_start
mbed_official 68:41613245dfd7 26 * __init_array_end
mbed_official 68:41613245dfd7 27 * __fini_array_start
mbed_official 68:41613245dfd7 28 * __fini_array_end
mbed_official 68:41613245dfd7 29 * __data_end__
mbed_official 68:41613245dfd7 30 * __bss_start__
mbed_official 68:41613245dfd7 31 * __bss_end__
mbed_official 68:41613245dfd7 32 * __end__
mbed_official 68:41613245dfd7 33 * end
mbed_official 68:41613245dfd7 34 * __HeapLimit
mbed_official 68:41613245dfd7 35 * __StackLimit
mbed_official 68:41613245dfd7 36 * __StackTop
mbed_official 68:41613245dfd7 37 * __stack
mbed_official 68:41613245dfd7 38 */
mbed_official 68:41613245dfd7 39 ENTRY(Reset_Handler)
mbed_official 68:41613245dfd7 40
mbed_official 68:41613245dfd7 41 SECTIONS
mbed_official 68:41613245dfd7 42 {
mbed_official 68:41613245dfd7 43 .isr_vector :
mbed_official 68:41613245dfd7 44 {
mbed_official 68:41613245dfd7 45 __vector_table = .;
mbed_official 68:41613245dfd7 46 KEEP(*(.vector_table))
mbed_official 68:41613245dfd7 47 *(.text.Reset_Handler)
mbed_official 68:41613245dfd7 48 *(.text.System_Init)
mbed_official 68:41613245dfd7 49 . = ALIGN(4);
mbed_official 68:41613245dfd7 50 } > VECTORS
mbed_official 68:41613245dfd7 51
mbed_official 68:41613245dfd7 52 .flash_protect :
mbed_official 68:41613245dfd7 53 {
mbed_official 68:41613245dfd7 54 KEEP(*(.kinetis_flash_config_field))
mbed_official 68:41613245dfd7 55 . = ALIGN(4);
mbed_official 68:41613245dfd7 56 } > FLASH_PROTECTION
mbed_official 68:41613245dfd7 57
mbed_official 68:41613245dfd7 58 .text :
mbed_official 68:41613245dfd7 59 {
mbed_official 68:41613245dfd7 60 *(.text*)
mbed_official 68:41613245dfd7 61
mbed_official 68:41613245dfd7 62 KEEP(*(.init))
mbed_official 68:41613245dfd7 63 KEEP(*(.fini))
mbed_official 68:41613245dfd7 64
mbed_official 68:41613245dfd7 65 /* .ctors */
mbed_official 68:41613245dfd7 66 *crtbegin.o(.ctors)
mbed_official 68:41613245dfd7 67 *crtbegin?.o(.ctors)
mbed_official 68:41613245dfd7 68 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 68:41613245dfd7 69 *(SORT(.ctors.*))
mbed_official 68:41613245dfd7 70 *(.ctors)
mbed_official 68:41613245dfd7 71
mbed_official 68:41613245dfd7 72 /* .dtors */
mbed_official 68:41613245dfd7 73 *crtbegin.o(.dtors)
mbed_official 68:41613245dfd7 74 *crtbegin?.o(.dtors)
mbed_official 68:41613245dfd7 75 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 68:41613245dfd7 76 *(SORT(.dtors.*))
mbed_official 68:41613245dfd7 77 *(.dtors)
mbed_official 68:41613245dfd7 78
mbed_official 68:41613245dfd7 79 *(.rodata*)
mbed_official 68:41613245dfd7 80
mbed_official 68:41613245dfd7 81 KEEP(*(.eh_frame*))
mbed_official 68:41613245dfd7 82 } > FLASH
mbed_official 68:41613245dfd7 83
mbed_official 68:41613245dfd7 84 .ARM.extab :
mbed_official 68:41613245dfd7 85 {
mbed_official 68:41613245dfd7 86 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 68:41613245dfd7 87 } > FLASH
mbed_official 68:41613245dfd7 88
mbed_official 68:41613245dfd7 89 __exidx_start = .;
mbed_official 68:41613245dfd7 90 .ARM.exidx :
mbed_official 68:41613245dfd7 91 {
mbed_official 68:41613245dfd7 92 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 68:41613245dfd7 93 } > FLASH
mbed_official 68:41613245dfd7 94 __exidx_end = .;
mbed_official 68:41613245dfd7 95
mbed_official 68:41613245dfd7 96 __etext = .;
mbed_official 68:41613245dfd7 97
mbed_official 68:41613245dfd7 98 .data : AT (__etext)
mbed_official 68:41613245dfd7 99 {
mbed_official 68:41613245dfd7 100 __data_start__ = .;
mbed_official 68:41613245dfd7 101 *(vtable)
mbed_official 68:41613245dfd7 102 *(.data*)
mbed_official 68:41613245dfd7 103
mbed_official 68:41613245dfd7 104 . = ALIGN(4);
mbed_official 68:41613245dfd7 105 /* preinit data */
mbed_official 68:41613245dfd7 106 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 68:41613245dfd7 107 KEEP(*(.preinit_array))
mbed_official 68:41613245dfd7 108 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 68:41613245dfd7 109
mbed_official 68:41613245dfd7 110 . = ALIGN(4);
mbed_official 68:41613245dfd7 111 /* init data */
mbed_official 68:41613245dfd7 112 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 68:41613245dfd7 113 KEEP(*(SORT(.init_array.*)))
mbed_official 68:41613245dfd7 114 KEEP(*(.init_array))
mbed_official 68:41613245dfd7 115 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 68:41613245dfd7 116
mbed_official 68:41613245dfd7 117
mbed_official 68:41613245dfd7 118 . = ALIGN(4);
mbed_official 68:41613245dfd7 119 /* finit data */
mbed_official 68:41613245dfd7 120 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 68:41613245dfd7 121 KEEP(*(SORT(.fini_array.*)))
mbed_official 68:41613245dfd7 122 KEEP(*(.fini_array))
mbed_official 68:41613245dfd7 123 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 68:41613245dfd7 124
mbed_official 68:41613245dfd7 125 . = ALIGN(4);
mbed_official 68:41613245dfd7 126 /* All data end */
mbed_official 68:41613245dfd7 127 __data_end__ = .;
mbed_official 68:41613245dfd7 128
mbed_official 68:41613245dfd7 129 } > RAM
mbed_official 68:41613245dfd7 130
mbed_official 68:41613245dfd7 131 .bss :
mbed_official 68:41613245dfd7 132 {
mbed_official 68:41613245dfd7 133 __bss_start__ = .;
mbed_official 68:41613245dfd7 134 *(.bss*)
mbed_official 68:41613245dfd7 135 *(COMMON)
mbed_official 68:41613245dfd7 136 __bss_end__ = .;
mbed_official 68:41613245dfd7 137 } > RAM
mbed_official 68:41613245dfd7 138
mbed_official 68:41613245dfd7 139 .heap :
mbed_official 68:41613245dfd7 140 {
mbed_official 68:41613245dfd7 141 __end__ = .;
mbed_official 68:41613245dfd7 142 end = __end__;
mbed_official 68:41613245dfd7 143 *(.heap*)
mbed_official 68:41613245dfd7 144 __HeapLimit = .;
mbed_official 68:41613245dfd7 145 } > RAM
mbed_official 68:41613245dfd7 146
mbed_official 68:41613245dfd7 147 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 68:41613245dfd7 148 * used for linker to calculate size of stack sections, and assign
mbed_official 68:41613245dfd7 149 * values to stack symbols later */
mbed_official 68:41613245dfd7 150 .stack_dummy :
mbed_official 68:41613245dfd7 151 {
mbed_official 68:41613245dfd7 152 *(.stack)
mbed_official 68:41613245dfd7 153 } > RAM
mbed_official 68:41613245dfd7 154
mbed_official 68:41613245dfd7 155 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 68:41613245dfd7 156 * size of stack_dummy section */
mbed_official 68:41613245dfd7 157 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 68:41613245dfd7 158 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 68:41613245dfd7 159 PROVIDE(__stack = __StackTop);
mbed_official 68:41613245dfd7 160
mbed_official 68:41613245dfd7 161 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 68:41613245dfd7 162 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 68:41613245dfd7 163 }