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Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_Freescale/TARGET_KL25Z/TOOLCHAIN_GCC_ARM/MKL25Z4.ld@15:4892fe388435, 2013-08-07 (annotated)

Committer:
bogdanm
Date:
Wed Aug 07 16:43:59 2013 +0300
Revision:
15:4892fe388435
Added LPC4088 target and interrupt chaining code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 15:4892fe388435 1 /*
bogdanm 15:4892fe388435 2 * KL25Z ARM GCC linker script file
bogdanm 15:4892fe388435 3 */
bogdanm 15:4892fe388435 4
bogdanm 15:4892fe388435 5 MEMORY
bogdanm 15:4892fe388435 6 {
bogdanm 15:4892fe388435 7 VECTORS (rx) : ORIGIN = 0x00000000, LENGTH = 0x00000400
bogdanm 15:4892fe388435 8 FLASH_PROTECTION (rx) : ORIGIN = 0x00000400, LENGTH = 0x00000010
bogdanm 15:4892fe388435 9 FLASH (rx) : ORIGIN = 0x00000410, LENGTH = 128K - 0x00000410
bogdanm 15:4892fe388435 10 RAM (rwx) : ORIGIN = 0x1FFFF0C0, LENGTH = 16K - 0xC0
bogdanm 15:4892fe388435 11 }
bogdanm 15:4892fe388435 12
bogdanm 15:4892fe388435 13 /* Linker script to place sections and symbol values. Should be used together
bogdanm 15:4892fe388435 14 * with other linker script that defines memory regions FLASH and RAM.
bogdanm 15:4892fe388435 15 * It references following symbols, which must be defined in code:
bogdanm 15:4892fe388435 16 * _reset_init : Entry of reset handler
bogdanm 15:4892fe388435 17 *
bogdanm 15:4892fe388435 18 * It defines following symbols, which code can use without definition:
bogdanm 15:4892fe388435 19 * __exidx_start
bogdanm 15:4892fe388435 20 * __exidx_end
bogdanm 15:4892fe388435 21 * __etext
bogdanm 15:4892fe388435 22 * __data_start__
bogdanm 15:4892fe388435 23 * __preinit_array_start
bogdanm 15:4892fe388435 24 * __preinit_array_end
bogdanm 15:4892fe388435 25 * __init_array_start
bogdanm 15:4892fe388435 26 * __init_array_end
bogdanm 15:4892fe388435 27 * __fini_array_start
bogdanm 15:4892fe388435 28 * __fini_array_end
bogdanm 15:4892fe388435 29 * __data_end__
bogdanm 15:4892fe388435 30 * __bss_start__
bogdanm 15:4892fe388435 31 * __bss_end__
bogdanm 15:4892fe388435 32 * __end__
bogdanm 15:4892fe388435 33 * end
bogdanm 15:4892fe388435 34 * __HeapLimit
bogdanm 15:4892fe388435 35 * __StackLimit
bogdanm 15:4892fe388435 36 * __StackTop
bogdanm 15:4892fe388435 37 * __stack
bogdanm 15:4892fe388435 38 */
bogdanm 15:4892fe388435 39 ENTRY(Reset_Handler)
bogdanm 15:4892fe388435 40
bogdanm 15:4892fe388435 41 SECTIONS
bogdanm 15:4892fe388435 42 {
bogdanm 15:4892fe388435 43 .isr_vector :
bogdanm 15:4892fe388435 44 {
bogdanm 15:4892fe388435 45 __vector_table = .;
bogdanm 15:4892fe388435 46 KEEP(*(.vector_table))
bogdanm 15:4892fe388435 47 *(.text.Reset_Handler)
bogdanm 15:4892fe388435 48 *(.text.System_Init)
bogdanm 15:4892fe388435 49 . = ALIGN(4);
bogdanm 15:4892fe388435 50 } > VECTORS
bogdanm 15:4892fe388435 51
bogdanm 15:4892fe388435 52 .flash_protect :
bogdanm 15:4892fe388435 53 {
bogdanm 15:4892fe388435 54 KEEP(*(.kinetis_flash_config_field))
bogdanm 15:4892fe388435 55 . = ALIGN(4);
bogdanm 15:4892fe388435 56 } > FLASH_PROTECTION
bogdanm 15:4892fe388435 57
bogdanm 15:4892fe388435 58 .text :
bogdanm 15:4892fe388435 59 {
bogdanm 15:4892fe388435 60 *(.text*)
bogdanm 15:4892fe388435 61
bogdanm 15:4892fe388435 62 KEEP(*(.init))
bogdanm 15:4892fe388435 63 KEEP(*(.fini))
bogdanm 15:4892fe388435 64
bogdanm 15:4892fe388435 65 /* .ctors */
bogdanm 15:4892fe388435 66 *crtbegin.o(.ctors)
bogdanm 15:4892fe388435 67 *crtbegin?.o(.ctors)
bogdanm 15:4892fe388435 68 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
bogdanm 15:4892fe388435 69 *(SORT(.ctors.*))
bogdanm 15:4892fe388435 70 *(.ctors)
bogdanm 15:4892fe388435 71
bogdanm 15:4892fe388435 72 /* .dtors */
bogdanm 15:4892fe388435 73 *crtbegin.o(.dtors)
bogdanm 15:4892fe388435 74 *crtbegin?.o(.dtors)
bogdanm 15:4892fe388435 75 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
bogdanm 15:4892fe388435 76 *(SORT(.dtors.*))
bogdanm 15:4892fe388435 77 *(.dtors)
bogdanm 15:4892fe388435 78
bogdanm 15:4892fe388435 79 *(.rodata*)
bogdanm 15:4892fe388435 80
bogdanm 15:4892fe388435 81 KEEP(*(.eh_frame*))
bogdanm 15:4892fe388435 82 } > FLASH
bogdanm 15:4892fe388435 83
bogdanm 15:4892fe388435 84 .ARM.extab :
bogdanm 15:4892fe388435 85 {
bogdanm 15:4892fe388435 86 *(.ARM.extab* .gnu.linkonce.armextab.*)
bogdanm 15:4892fe388435 87 } > FLASH
bogdanm 15:4892fe388435 88
bogdanm 15:4892fe388435 89 __exidx_start = .;
bogdanm 15:4892fe388435 90 .ARM.exidx :
bogdanm 15:4892fe388435 91 {
bogdanm 15:4892fe388435 92 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
bogdanm 15:4892fe388435 93 } > FLASH
bogdanm 15:4892fe388435 94 __exidx_end = .;
bogdanm 15:4892fe388435 95
bogdanm 15:4892fe388435 96 __etext = .;
bogdanm 15:4892fe388435 97
bogdanm 15:4892fe388435 98 .data : AT (__etext)
bogdanm 15:4892fe388435 99 {
bogdanm 15:4892fe388435 100 __data_start__ = .;
bogdanm 15:4892fe388435 101 *(vtable)
bogdanm 15:4892fe388435 102 *(.data*)
bogdanm 15:4892fe388435 103
bogdanm 15:4892fe388435 104 . = ALIGN(4);
bogdanm 15:4892fe388435 105 /* preinit data */
bogdanm 15:4892fe388435 106 PROVIDE_HIDDEN (__preinit_array_start = .);
bogdanm 15:4892fe388435 107 KEEP(*(.preinit_array))
bogdanm 15:4892fe388435 108 PROVIDE_HIDDEN (__preinit_array_end = .);
bogdanm 15:4892fe388435 109
bogdanm 15:4892fe388435 110 . = ALIGN(4);
bogdanm 15:4892fe388435 111 /* init data */
bogdanm 15:4892fe388435 112 PROVIDE_HIDDEN (__init_array_start = .);
bogdanm 15:4892fe388435 113 KEEP(*(SORT(.init_array.*)))
bogdanm 15:4892fe388435 114 KEEP(*(.init_array))
bogdanm 15:4892fe388435 115 PROVIDE_HIDDEN (__init_array_end = .);
bogdanm 15:4892fe388435 116
bogdanm 15:4892fe388435 117
bogdanm 15:4892fe388435 118 . = ALIGN(4);
bogdanm 15:4892fe388435 119 /* finit data */
bogdanm 15:4892fe388435 120 PROVIDE_HIDDEN (__fini_array_start = .);
bogdanm 15:4892fe388435 121 KEEP(*(SORT(.fini_array.*)))
bogdanm 15:4892fe388435 122 KEEP(*(.fini_array))
bogdanm 15:4892fe388435 123 PROVIDE_HIDDEN (__fini_array_end = .);
bogdanm 15:4892fe388435 124
bogdanm 15:4892fe388435 125 . = ALIGN(4);
bogdanm 15:4892fe388435 126 /* All data end */
bogdanm 15:4892fe388435 127 __data_end__ = .;
bogdanm 15:4892fe388435 128
bogdanm 15:4892fe388435 129 } > RAM
bogdanm 15:4892fe388435 130
bogdanm 15:4892fe388435 131 .bss :
bogdanm 15:4892fe388435 132 {
bogdanm 15:4892fe388435 133 __bss_start__ = .;
bogdanm 15:4892fe388435 134 *(.bss*)
bogdanm 15:4892fe388435 135 *(COMMON)
bogdanm 15:4892fe388435 136 __bss_end__ = .;
bogdanm 15:4892fe388435 137 } > RAM
bogdanm 15:4892fe388435 138
bogdanm 15:4892fe388435 139 .heap :
bogdanm 15:4892fe388435 140 {
bogdanm 15:4892fe388435 141 __end__ = .;
bogdanm 15:4892fe388435 142 end = __end__;
bogdanm 15:4892fe388435 143 *(.heap*)
bogdanm 15:4892fe388435 144 __HeapLimit = .;
bogdanm 15:4892fe388435 145 } > RAM
bogdanm 15:4892fe388435 146
bogdanm 15:4892fe388435 147 /* .stack_dummy section doesn't contains any symbols. It is only
bogdanm 15:4892fe388435 148 * used for linker to calculate size of stack sections, and assign
bogdanm 15:4892fe388435 149 * values to stack symbols later */
bogdanm 15:4892fe388435 150 .stack_dummy :
bogdanm 15:4892fe388435 151 {
bogdanm 15:4892fe388435 152 *(.stack)
bogdanm 15:4892fe388435 153 } > RAM
bogdanm 15:4892fe388435 154
bogdanm 15:4892fe388435 155 /* Set stack top to end of RAM, and stack limit move down by
bogdanm 15:4892fe388435 156 * size of stack_dummy section */
bogdanm 15:4892fe388435 157 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
bogdanm 15:4892fe388435 158 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
bogdanm 15:4892fe388435 159 PROVIDE(__stack = __StackTop);
bogdanm 15:4892fe388435 160
bogdanm 15:4892fe388435 161 /* Check if data + heap + stack exceeds RAM limit */
bogdanm 15:4892fe388435 162 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
bogdanm 15:4892fe388435 163 }