Morpheus / target-mcu-k64f

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cmsis/TOOLCHAIN_GCC_ARM/K64FN1M0xxx12.ld@0:c5e2f793b59a, 2016-03-23 (annotated)

Committer:
screamer
Date:
Wed Mar 23 21:24:48 2016 +0000
Revision:
0:c5e2f793b59a
Initial revision

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:c5e2f793b59a 1 /*
screamer 0:c5e2f793b59a 2 * K64F ARM GCC linker script file
screamer 0:c5e2f793b59a 3 */
screamer 0:c5e2f793b59a 4
screamer 0:c5e2f793b59a 5 MEMORY
screamer 0:c5e2f793b59a 6 {
screamer 0:c5e2f793b59a 7 VECTORS (rx) : ORIGIN = 0x00000000, LENGTH = 0x00000400
screamer 0:c5e2f793b59a 8 FLASH_PROTECTION (rx) : ORIGIN = 0x00000400, LENGTH = 0x00000010
screamer 0:c5e2f793b59a 9 FLASH (rx) : ORIGIN = 0x00000410, LENGTH = 0x00100000 - 0x00000410
screamer 0:c5e2f793b59a 10 RAM (rwx) : ORIGIN = 0x1FFF0198, LENGTH = 0x00040000 - 0x00000198
screamer 0:c5e2f793b59a 11 }
screamer 0:c5e2f793b59a 12
screamer 0:c5e2f793b59a 13 /* Linker script to place sections and symbol values. Should be used together
screamer 0:c5e2f793b59a 14 * with other linker script that defines memory regions FLASH and RAM.
screamer 0:c5e2f793b59a 15 * It references following symbols, which must be defined in code:
screamer 0:c5e2f793b59a 16 * _reset_init : Entry of reset handler
screamer 0:c5e2f793b59a 17 *
screamer 0:c5e2f793b59a 18 * It defines following symbols, which code can use without definition:
screamer 0:c5e2f793b59a 19 * __exidx_start
screamer 0:c5e2f793b59a 20 * __exidx_end
screamer 0:c5e2f793b59a 21 * __etext
screamer 0:c5e2f793b59a 22 * __data_start__
screamer 0:c5e2f793b59a 23 * __preinit_array_start
screamer 0:c5e2f793b59a 24 * __preinit_array_end
screamer 0:c5e2f793b59a 25 * __init_array_start
screamer 0:c5e2f793b59a 26 * __init_array_end
screamer 0:c5e2f793b59a 27 * __fini_array_start
screamer 0:c5e2f793b59a 28 * __fini_array_end
screamer 0:c5e2f793b59a 29 * __data_end__
screamer 0:c5e2f793b59a 30 * __bss_start__
screamer 0:c5e2f793b59a 31 * __bss_end__
screamer 0:c5e2f793b59a 32 * __end__
screamer 0:c5e2f793b59a 33 * end
screamer 0:c5e2f793b59a 34 * __HeapLimit
screamer 0:c5e2f793b59a 35 * __StackLimit
screamer 0:c5e2f793b59a 36 * __StackTop
screamer 0:c5e2f793b59a 37 * __stack
screamer 0:c5e2f793b59a 38 */
screamer 0:c5e2f793b59a 39 ENTRY(Reset_Handler)
screamer 0:c5e2f793b59a 40
screamer 0:c5e2f793b59a 41 SECTIONS
screamer 0:c5e2f793b59a 42 {
screamer 0:c5e2f793b59a 43 .isr_vector :
screamer 0:c5e2f793b59a 44 {
screamer 0:c5e2f793b59a 45 __vector_table = .;
screamer 0:c5e2f793b59a 46 KEEP(*(.vector_table))
screamer 0:c5e2f793b59a 47 *(.text.Reset_Handler)
screamer 0:c5e2f793b59a 48 *(.text.System_Init)
screamer 0:c5e2f793b59a 49 . = ALIGN(4);
screamer 0:c5e2f793b59a 50 } > VECTORS
screamer 0:c5e2f793b59a 51
screamer 0:c5e2f793b59a 52 .flash_protect :
screamer 0:c5e2f793b59a 53 {
screamer 0:c5e2f793b59a 54 KEEP(*(.kinetis_flash_config_field))
screamer 0:c5e2f793b59a 55 . = ALIGN(4);
screamer 0:c5e2f793b59a 56 } > FLASH_PROTECTION
screamer 0:c5e2f793b59a 57
screamer 0:c5e2f793b59a 58 .text :
screamer 0:c5e2f793b59a 59 {
screamer 0:c5e2f793b59a 60 *(.text*)
screamer 0:c5e2f793b59a 61
screamer 0:c5e2f793b59a 62 KEEP(*(.init))
screamer 0:c5e2f793b59a 63 KEEP(*(.fini))
screamer 0:c5e2f793b59a 64
screamer 0:c5e2f793b59a 65 /* .ctors */
screamer 0:c5e2f793b59a 66 *crtbegin.o(.ctors)
screamer 0:c5e2f793b59a 67 *crtbegin?.o(.ctors)
screamer 0:c5e2f793b59a 68 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
screamer 0:c5e2f793b59a 69 *(SORT(.ctors.*))
screamer 0:c5e2f793b59a 70 *(.ctors)
screamer 0:c5e2f793b59a 71
screamer 0:c5e2f793b59a 72 /* .dtors */
screamer 0:c5e2f793b59a 73 *crtbegin.o(.dtors)
screamer 0:c5e2f793b59a 74 *crtbegin?.o(.dtors)
screamer 0:c5e2f793b59a 75 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
screamer 0:c5e2f793b59a 76 *(SORT(.dtors.*))
screamer 0:c5e2f793b59a 77 *(.dtors)
screamer 0:c5e2f793b59a 78
screamer 0:c5e2f793b59a 79 *(.rodata*)
screamer 0:c5e2f793b59a 80
screamer 0:c5e2f793b59a 81 KEEP(*(.eh_frame*))
screamer 0:c5e2f793b59a 82 } > FLASH
screamer 0:c5e2f793b59a 83
screamer 0:c5e2f793b59a 84 .ARM.extab :
screamer 0:c5e2f793b59a 85 {
screamer 0:c5e2f793b59a 86 *(.ARM.extab* .gnu.linkonce.armextab.*)
screamer 0:c5e2f793b59a 87 } > FLASH
screamer 0:c5e2f793b59a 88
screamer 0:c5e2f793b59a 89 __exidx_start = .;
screamer 0:c5e2f793b59a 90 .ARM.exidx :
screamer 0:c5e2f793b59a 91 {
screamer 0:c5e2f793b59a 92 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
screamer 0:c5e2f793b59a 93 } > FLASH
screamer 0:c5e2f793b59a 94 __exidx_end = .;
screamer 0:c5e2f793b59a 95
screamer 0:c5e2f793b59a 96 __etext = .;
screamer 0:c5e2f793b59a 97
screamer 0:c5e2f793b59a 98 .data : AT (__etext)
screamer 0:c5e2f793b59a 99 {
screamer 0:c5e2f793b59a 100 __data_start__ = .;
screamer 0:c5e2f793b59a 101 *(vtable)
screamer 0:c5e2f793b59a 102 *(.data*)
screamer 0:c5e2f793b59a 103
screamer 0:c5e2f793b59a 104 . = ALIGN(4);
screamer 0:c5e2f793b59a 105 /* preinit data */
screamer 0:c5e2f793b59a 106 PROVIDE_HIDDEN (__preinit_array_start = .);
screamer 0:c5e2f793b59a 107 KEEP(*(.preinit_array))
screamer 0:c5e2f793b59a 108 PROVIDE_HIDDEN (__preinit_array_end = .);
screamer 0:c5e2f793b59a 109
screamer 0:c5e2f793b59a 110 . = ALIGN(4);
screamer 0:c5e2f793b59a 111 /* init data */
screamer 0:c5e2f793b59a 112 PROVIDE_HIDDEN (__init_array_start = .);
screamer 0:c5e2f793b59a 113 KEEP(*(SORT(.init_array.*)))
screamer 0:c5e2f793b59a 114 KEEP(*(.init_array))
screamer 0:c5e2f793b59a 115 PROVIDE_HIDDEN (__init_array_end = .);
screamer 0:c5e2f793b59a 116
screamer 0:c5e2f793b59a 117
screamer 0:c5e2f793b59a 118 . = ALIGN(4);
screamer 0:c5e2f793b59a 119 /* finit data */
screamer 0:c5e2f793b59a 120 PROVIDE_HIDDEN (__fini_array_start = .);
screamer 0:c5e2f793b59a 121 KEEP(*(SORT(.fini_array.*)))
screamer 0:c5e2f793b59a 122 KEEP(*(.fini_array))
screamer 0:c5e2f793b59a 123 PROVIDE_HIDDEN (__fini_array_end = .);
screamer 0:c5e2f793b59a 124
screamer 0:c5e2f793b59a 125 . = ALIGN(4);
screamer 0:c5e2f793b59a 126 /* All data end */
screamer 0:c5e2f793b59a 127 __data_end__ = .;
screamer 0:c5e2f793b59a 128
screamer 0:c5e2f793b59a 129 } > RAM
screamer 0:c5e2f793b59a 130
screamer 0:c5e2f793b59a 131 .bss :
screamer 0:c5e2f793b59a 132 {
screamer 0:c5e2f793b59a 133 __bss_start__ = .;
screamer 0:c5e2f793b59a 134 *(.bss*)
screamer 0:c5e2f793b59a 135 *(COMMON)
screamer 0:c5e2f793b59a 136 __bss_end__ = .;
screamer 0:c5e2f793b59a 137 } > RAM
screamer 0:c5e2f793b59a 138
screamer 0:c5e2f793b59a 139 .heap :
screamer 0:c5e2f793b59a 140 {
screamer 0:c5e2f793b59a 141 __end__ = .;
screamer 0:c5e2f793b59a 142 end = __end__;
screamer 0:c5e2f793b59a 143 *(.heap*)
screamer 0:c5e2f793b59a 144 __HeapLimit = .;
screamer 0:c5e2f793b59a 145 } > RAM
screamer 0:c5e2f793b59a 146
screamer 0:c5e2f793b59a 147 /* .stack_dummy section doesn't contains any symbols. It is only
screamer 0:c5e2f793b59a 148 * used for linker to calculate size of stack sections, and assign
screamer 0:c5e2f793b59a 149 * values to stack symbols later */
screamer 0:c5e2f793b59a 150 .stack_dummy :
screamer 0:c5e2f793b59a 151 {
screamer 0:c5e2f793b59a 152 *(.stack)
screamer 0:c5e2f793b59a 153 } > RAM
screamer 0:c5e2f793b59a 154
screamer 0:c5e2f793b59a 155 /* Set stack top to end of RAM, and stack limit move down by
screamer 0:c5e2f793b59a 156 * size of stack_dummy section */
screamer 0:c5e2f793b59a 157 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
screamer 0:c5e2f793b59a 158 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
screamer 0:c5e2f793b59a 159 PROVIDE(__stack = __StackTop);
screamer 0:c5e2f793b59a 160
screamer 0:c5e2f793b59a 161 /* Check if data + heap + stack exceeds RAM limit */
screamer 0:c5e2f793b59a 162 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
screamer 0:c5e2f793b59a 163 }
screamer 0:c5e2f793b59a 164