Toyomasa Watarai / mbed-src

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targets/cmsis/TARGET_Freescale/TARGET_KLXX/TARGET_KL43Z/TOOLCHAIN_GCC_ARM/MKL43Z4.ld@363:12a245e5c745, 2014-10-23 (annotated)

Committer:
mbed_official
Date:
Thu Oct 23 09:45:08 2014 +0100
Revision:
363:12a245e5c745
Synchronized with git revision 6ff7dfe464a15417f666938479c7860707707331



Full URL: https://github.com/mbedmicro/mbed/commit/6ff7dfe464a15417f666938479c7860707707331/



Target: Freescale FRDM-KL43Z addition

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 363:12a245e5c745 1 /*
mbed_official 363:12a245e5c745 2 * KL43Z ARM GCC linker script file
mbed_official 363:12a245e5c745 3 */
mbed_official 363:12a245e5c745 4
mbed_official 363:12a245e5c745 5 MEMORY
mbed_official 363:12a245e5c745 6 {
mbed_official 363:12a245e5c745 7 VECTORS (rx) : ORIGIN = 0x00000000, LENGTH = 0x00000400
mbed_official 363:12a245e5c745 8 FLASH_PROTECTION (rx) : ORIGIN = 0x00000400, LENGTH = 0x00000010
mbed_official 363:12a245e5c745 9 FLASH (rx) : ORIGIN = 0x00000410, LENGTH = 256K - 0x00000410
mbed_official 363:12a245e5c745 10 RAM (rwx) : ORIGIN = 0x1FFFE0C0, LENGTH = 32K - 0xC0
mbed_official 363:12a245e5c745 11 }
mbed_official 363:12a245e5c745 12
mbed_official 363:12a245e5c745 13 /* Linker script to place sections and symbol values. Should be used together
mbed_official 363:12a245e5c745 14 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 363:12a245e5c745 15 * It references following symbols, which must be defined in code:
mbed_official 363:12a245e5c745 16 * _reset_init : Entry of reset handler
mbed_official 363:12a245e5c745 17 *
mbed_official 363:12a245e5c745 18 * It defines following symbols, which code can use without definition:
mbed_official 363:12a245e5c745 19 * __exidx_start
mbed_official 363:12a245e5c745 20 * __exidx_end
mbed_official 363:12a245e5c745 21 * __etext
mbed_official 363:12a245e5c745 22 * __data_start__
mbed_official 363:12a245e5c745 23 * __preinit_array_start
mbed_official 363:12a245e5c745 24 * __preinit_array_end
mbed_official 363:12a245e5c745 25 * __init_array_start
mbed_official 363:12a245e5c745 26 * __init_array_end
mbed_official 363:12a245e5c745 27 * __fini_array_start
mbed_official 363:12a245e5c745 28 * __fini_array_end
mbed_official 363:12a245e5c745 29 * __data_end__
mbed_official 363:12a245e5c745 30 * __bss_start__
mbed_official 363:12a245e5c745 31 * __bss_end__
mbed_official 363:12a245e5c745 32 * __end__
mbed_official 363:12a245e5c745 33 * end
mbed_official 363:12a245e5c745 34 * __HeapLimit
mbed_official 363:12a245e5c745 35 * __StackLimit
mbed_official 363:12a245e5c745 36 * __StackTop
mbed_official 363:12a245e5c745 37 * __stack
mbed_official 363:12a245e5c745 38 */
mbed_official 363:12a245e5c745 39 ENTRY(Reset_Handler)
mbed_official 363:12a245e5c745 40
mbed_official 363:12a245e5c745 41 SECTIONS
mbed_official 363:12a245e5c745 42 {
mbed_official 363:12a245e5c745 43 .isr_vector :
mbed_official 363:12a245e5c745 44 {
mbed_official 363:12a245e5c745 45 __vector_table = .;
mbed_official 363:12a245e5c745 46 KEEP(*(.vector_table))
mbed_official 363:12a245e5c745 47 *(.text.Reset_Handler)
mbed_official 363:12a245e5c745 48 *(.text.System_Init)
mbed_official 363:12a245e5c745 49 . = ALIGN(4);
mbed_official 363:12a245e5c745 50 } > VECTORS
mbed_official 363:12a245e5c745 51
mbed_official 363:12a245e5c745 52 .flash_protect :
mbed_official 363:12a245e5c745 53 {
mbed_official 363:12a245e5c745 54 KEEP(*(.kinetis_flash_config_field))
mbed_official 363:12a245e5c745 55 . = ALIGN(4);
mbed_official 363:12a245e5c745 56 } > FLASH_PROTECTION
mbed_official 363:12a245e5c745 57
mbed_official 363:12a245e5c745 58 .text :
mbed_official 363:12a245e5c745 59 {
mbed_official 363:12a245e5c745 60 *(.text*)
mbed_official 363:12a245e5c745 61
mbed_official 363:12a245e5c745 62 KEEP(*(.init))
mbed_official 363:12a245e5c745 63 KEEP(*(.fini))
mbed_official 363:12a245e5c745 64
mbed_official 363:12a245e5c745 65 /* .ctors */
mbed_official 363:12a245e5c745 66 *crtbegin.o(.ctors)
mbed_official 363:12a245e5c745 67 *crtbegin?.o(.ctors)
mbed_official 363:12a245e5c745 68 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 363:12a245e5c745 69 *(SORT(.ctors.*))
mbed_official 363:12a245e5c745 70 *(.ctors)
mbed_official 363:12a245e5c745 71
mbed_official 363:12a245e5c745 72 /* .dtors */
mbed_official 363:12a245e5c745 73 *crtbegin.o(.dtors)
mbed_official 363:12a245e5c745 74 *crtbegin?.o(.dtors)
mbed_official 363:12a245e5c745 75 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 363:12a245e5c745 76 *(SORT(.dtors.*))
mbed_official 363:12a245e5c745 77 *(.dtors)
mbed_official 363:12a245e5c745 78
mbed_official 363:12a245e5c745 79 *(.rodata*)
mbed_official 363:12a245e5c745 80
mbed_official 363:12a245e5c745 81 KEEP(*(.eh_frame*))
mbed_official 363:12a245e5c745 82 } > FLASH
mbed_official 363:12a245e5c745 83
mbed_official 363:12a245e5c745 84 .ARM.extab :
mbed_official 363:12a245e5c745 85 {
mbed_official 363:12a245e5c745 86 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 363:12a245e5c745 87 } > FLASH
mbed_official 363:12a245e5c745 88
mbed_official 363:12a245e5c745 89 __exidx_start = .;
mbed_official 363:12a245e5c745 90 .ARM.exidx :
mbed_official 363:12a245e5c745 91 {
mbed_official 363:12a245e5c745 92 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 363:12a245e5c745 93 } > FLASH
mbed_official 363:12a245e5c745 94 __exidx_end = .;
mbed_official 363:12a245e5c745 95
mbed_official 363:12a245e5c745 96 __etext = .;
mbed_official 363:12a245e5c745 97
mbed_official 363:12a245e5c745 98 .data : AT (__etext)
mbed_official 363:12a245e5c745 99 {
mbed_official 363:12a245e5c745 100 __data_start__ = .;
mbed_official 363:12a245e5c745 101 *(vtable)
mbed_official 363:12a245e5c745 102 *(.data*)
mbed_official 363:12a245e5c745 103
mbed_official 363:12a245e5c745 104 . = ALIGN(4);
mbed_official 363:12a245e5c745 105 /* preinit data */
mbed_official 363:12a245e5c745 106 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 363:12a245e5c745 107 KEEP(*(.preinit_array))
mbed_official 363:12a245e5c745 108 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 363:12a245e5c745 109
mbed_official 363:12a245e5c745 110 . = ALIGN(4);
mbed_official 363:12a245e5c745 111 /* init data */
mbed_official 363:12a245e5c745 112 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 363:12a245e5c745 113 KEEP(*(SORT(.init_array.*)))
mbed_official 363:12a245e5c745 114 KEEP(*(.init_array))
mbed_official 363:12a245e5c745 115 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 363:12a245e5c745 116
mbed_official 363:12a245e5c745 117
mbed_official 363:12a245e5c745 118 . = ALIGN(4);
mbed_official 363:12a245e5c745 119 /* finit data */
mbed_official 363:12a245e5c745 120 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 363:12a245e5c745 121 KEEP(*(SORT(.fini_array.*)))
mbed_official 363:12a245e5c745 122 KEEP(*(.fini_array))
mbed_official 363:12a245e5c745 123 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 363:12a245e5c745 124
mbed_official 363:12a245e5c745 125 . = ALIGN(4);
mbed_official 363:12a245e5c745 126 /* All data end */
mbed_official 363:12a245e5c745 127 __data_end__ = .;
mbed_official 363:12a245e5c745 128
mbed_official 363:12a245e5c745 129 } > RAM
mbed_official 363:12a245e5c745 130
mbed_official 363:12a245e5c745 131 .bss :
mbed_official 363:12a245e5c745 132 {
mbed_official 363:12a245e5c745 133 __bss_start__ = .;
mbed_official 363:12a245e5c745 134 *(.bss*)
mbed_official 363:12a245e5c745 135 *(COMMON)
mbed_official 363:12a245e5c745 136 __bss_end__ = .;
mbed_official 363:12a245e5c745 137 } > RAM
mbed_official 363:12a245e5c745 138
mbed_official 363:12a245e5c745 139 .heap :
mbed_official 363:12a245e5c745 140 {
mbed_official 363:12a245e5c745 141 __end__ = .;
mbed_official 363:12a245e5c745 142 end = __end__;
mbed_official 363:12a245e5c745 143 *(.heap*)
mbed_official 363:12a245e5c745 144 __HeapLimit = .;
mbed_official 363:12a245e5c745 145 } > RAM
mbed_official 363:12a245e5c745 146
mbed_official 363:12a245e5c745 147 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 363:12a245e5c745 148 * used for linker to calculate size of stack sections, and assign
mbed_official 363:12a245e5c745 149 * values to stack symbols later */
mbed_official 363:12a245e5c745 150 .stack_dummy :
mbed_official 363:12a245e5c745 151 {
mbed_official 363:12a245e5c745 152 *(.stack)
mbed_official 363:12a245e5c745 153 } > RAM
mbed_official 363:12a245e5c745 154
mbed_official 363:12a245e5c745 155 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 363:12a245e5c745 156 * size of stack_dummy section */
mbed_official 363:12a245e5c745 157 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 363:12a245e5c745 158 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 363:12a245e5c745 159 PROVIDE(__stack = __StackTop);
mbed_official 363:12a245e5c745 160
mbed_official 363:12a245e5c745 161 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 363:12a245e5c745 162 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 363:12a245e5c745 163 }