sai kiran / mbed-src

Watchdog Timer

Fork of mbed-src by mbed official

targets/cmsis/TARGET_WIZNET/TARGET_W7500x/TARGET_WIZwiki_W7500P/TOOLCHAIN_GCC_ARM/W7500.ld@632:ff681937ffd8, 2015-09-28 (annotated)

Committer:
mbed_official
Date:
Mon Sep 28 13:00:10 2015 +0100
Revision:
632:ff681937ffd8
Synchronized with git revision 1be56c8134a3ed6004f149a84f658de45dda6a5c



Full URL: https://github.com/mbedmicro/mbed/commit/1be56c8134a3ed6004f149a84f658de45dda6a5c/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 632:ff681937ffd8 1 /* Linker script to configure memory regions. */
mbed_official 632:ff681937ffd8 2 MEMORY
mbed_official 632:ff681937ffd8 3 {
mbed_official 632:ff681937ffd8 4 FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x20000 /* 128K */
mbed_official 632:ff681937ffd8 5 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 0x4000 /* 16K */
mbed_official 632:ff681937ffd8 6 }
mbed_official 632:ff681937ffd8 7
mbed_official 632:ff681937ffd8 8 /* Library configurations */
mbed_official 632:ff681937ffd8 9 GROUP(libgcc.a libc.a libm.a libnosys.a)
mbed_official 632:ff681937ffd8 10
mbed_official 632:ff681937ffd8 11 /* Linker script to place sections and symbol values. Should be used together
mbed_official 632:ff681937ffd8 12 * with other linker script that defines memory regions FLASH and RAM.
mbed_official 632:ff681937ffd8 13 * It references following symbols, which must be defined in code:
mbed_official 632:ff681937ffd8 14 * Reset_Handler : Entry of reset handler
mbed_official 632:ff681937ffd8 15 *
mbed_official 632:ff681937ffd8 16 * It defines following symbols, which code can use without definition:
mbed_official 632:ff681937ffd8 17 * __exidx_start
mbed_official 632:ff681937ffd8 18 * __exidx_end
mbed_official 632:ff681937ffd8 19 * __etext
mbed_official 632:ff681937ffd8 20 * __data_start__
mbed_official 632:ff681937ffd8 21 * __preinit_array_start
mbed_official 632:ff681937ffd8 22 * __preinit_array_end
mbed_official 632:ff681937ffd8 23 * __init_array_start
mbed_official 632:ff681937ffd8 24 * __init_array_end
mbed_official 632:ff681937ffd8 25 * __fini_array_start
mbed_official 632:ff681937ffd8 26 * __fini_array_end
mbed_official 632:ff681937ffd8 27 * __data_end__
mbed_official 632:ff681937ffd8 28 * __bss_start__
mbed_official 632:ff681937ffd8 29 * __bss_end__
mbed_official 632:ff681937ffd8 30 * __end__
mbed_official 632:ff681937ffd8 31 * end
mbed_official 632:ff681937ffd8 32 * __HeapLimit
mbed_official 632:ff681937ffd8 33 * __StackLimit
mbed_official 632:ff681937ffd8 34 * __StackTop
mbed_official 632:ff681937ffd8 35 * __stack
mbed_official 632:ff681937ffd8 36 */
mbed_official 632:ff681937ffd8 37 ENTRY(Reset_Handler)
mbed_official 632:ff681937ffd8 38
mbed_official 632:ff681937ffd8 39 SECTIONS
mbed_official 632:ff681937ffd8 40 {
mbed_official 632:ff681937ffd8 41 .text :
mbed_official 632:ff681937ffd8 42 {
mbed_official 632:ff681937ffd8 43 KEEP(*(.isr_vector))
mbed_official 632:ff681937ffd8 44 *(.text*)
mbed_official 632:ff681937ffd8 45
mbed_official 632:ff681937ffd8 46 KEEP(*(.init))
mbed_official 632:ff681937ffd8 47 KEEP(*(.fini))
mbed_official 632:ff681937ffd8 48
mbed_official 632:ff681937ffd8 49 /* .ctors */
mbed_official 632:ff681937ffd8 50 *crtbegin.o(.ctors)
mbed_official 632:ff681937ffd8 51 *crtbegin?.o(.ctors)
mbed_official 632:ff681937ffd8 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
mbed_official 632:ff681937ffd8 53 *(SORT(.ctors.*))
mbed_official 632:ff681937ffd8 54 *(.ctors)
mbed_official 632:ff681937ffd8 55
mbed_official 632:ff681937ffd8 56 /* .dtors */
mbed_official 632:ff681937ffd8 57 *crtbegin.o(.dtors)
mbed_official 632:ff681937ffd8 58 *crtbegin?.o(.dtors)
mbed_official 632:ff681937ffd8 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
mbed_official 632:ff681937ffd8 60 *(SORT(.dtors.*))
mbed_official 632:ff681937ffd8 61 *(.dtors)
mbed_official 632:ff681937ffd8 62
mbed_official 632:ff681937ffd8 63 *(.rodata*)
mbed_official 632:ff681937ffd8 64
mbed_official 632:ff681937ffd8 65 KEEP(*(.eh_frame*))
mbed_official 632:ff681937ffd8 66 } > FLASH
mbed_official 632:ff681937ffd8 67
mbed_official 632:ff681937ffd8 68 .ARM.extab :
mbed_official 632:ff681937ffd8 69 {
mbed_official 632:ff681937ffd8 70 *(.ARM.extab* .gnu.linkonce.armextab.*)
mbed_official 632:ff681937ffd8 71 } > FLASH
mbed_official 632:ff681937ffd8 72
mbed_official 632:ff681937ffd8 73 __exidx_start = .;
mbed_official 632:ff681937ffd8 74 .ARM.exidx :
mbed_official 632:ff681937ffd8 75 {
mbed_official 632:ff681937ffd8 76 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
mbed_official 632:ff681937ffd8 77 } > FLASH
mbed_official 632:ff681937ffd8 78 __exidx_end = .;
mbed_official 632:ff681937ffd8 79
mbed_official 632:ff681937ffd8 80 __etext = .;
mbed_official 632:ff681937ffd8 81
mbed_official 632:ff681937ffd8 82 .data : AT (__etext)
mbed_official 632:ff681937ffd8 83 {
mbed_official 632:ff681937ffd8 84 __data_start__ = .;
mbed_official 632:ff681937ffd8 85 *(vtable)
mbed_official 632:ff681937ffd8 86 *(.data*)
mbed_official 632:ff681937ffd8 87
mbed_official 632:ff681937ffd8 88 . = ALIGN(4);
mbed_official 632:ff681937ffd8 89 /* preinit data */
mbed_official 632:ff681937ffd8 90 PROVIDE_HIDDEN (__preinit_array_start = .);
mbed_official 632:ff681937ffd8 91 KEEP(*(.preinit_array))
mbed_official 632:ff681937ffd8 92 PROVIDE_HIDDEN (__preinit_array_end = .);
mbed_official 632:ff681937ffd8 93
mbed_official 632:ff681937ffd8 94 . = ALIGN(4);
mbed_official 632:ff681937ffd8 95 /* init data */
mbed_official 632:ff681937ffd8 96 PROVIDE_HIDDEN (__init_array_start = .);
mbed_official 632:ff681937ffd8 97 KEEP(*(SORT(.init_array.*)))
mbed_official 632:ff681937ffd8 98 KEEP(*(.init_array))
mbed_official 632:ff681937ffd8 99 PROVIDE_HIDDEN (__init_array_end = .);
mbed_official 632:ff681937ffd8 100
mbed_official 632:ff681937ffd8 101
mbed_official 632:ff681937ffd8 102 . = ALIGN(4);
mbed_official 632:ff681937ffd8 103 /* finit data */
mbed_official 632:ff681937ffd8 104 PROVIDE_HIDDEN (__fini_array_start = .);
mbed_official 632:ff681937ffd8 105 KEEP(*(SORT(.fini_array.*)))
mbed_official 632:ff681937ffd8 106 KEEP(*(.fini_array))
mbed_official 632:ff681937ffd8 107 PROVIDE_HIDDEN (__fini_array_end = .);
mbed_official 632:ff681937ffd8 108
mbed_official 632:ff681937ffd8 109 KEEP(*(.jcr*))
mbed_official 632:ff681937ffd8 110 . = ALIGN(4);
mbed_official 632:ff681937ffd8 111 /* All data end */
mbed_official 632:ff681937ffd8 112 __data_end__ = .;
mbed_official 632:ff681937ffd8 113
mbed_official 632:ff681937ffd8 114 } > RAM
mbed_official 632:ff681937ffd8 115
mbed_official 632:ff681937ffd8 116 .bss :
mbed_official 632:ff681937ffd8 117 {
mbed_official 632:ff681937ffd8 118 . = ALIGN(4);
mbed_official 632:ff681937ffd8 119 __bss_start__ = .;
mbed_official 632:ff681937ffd8 120 *(.bss*)
mbed_official 632:ff681937ffd8 121 *(COMMON)
mbed_official 632:ff681937ffd8 122 . = ALIGN(4);
mbed_official 632:ff681937ffd8 123 __bss_end__ = .;
mbed_official 632:ff681937ffd8 124 } > RAM
mbed_official 632:ff681937ffd8 125
mbed_official 632:ff681937ffd8 126 .heap (COPY):
mbed_official 632:ff681937ffd8 127 {
mbed_official 632:ff681937ffd8 128 __end__ = .;
mbed_official 632:ff681937ffd8 129 end = __end__;
mbed_official 632:ff681937ffd8 130 *(.heap*)
mbed_official 632:ff681937ffd8 131 __HeapLimit = .;
mbed_official 632:ff681937ffd8 132 } > RAM
mbed_official 632:ff681937ffd8 133
mbed_official 632:ff681937ffd8 134 /* .stack_dummy section doesn't contains any symbols. It is only
mbed_official 632:ff681937ffd8 135 * used for linker to calculate size of stack sections, and assign
mbed_official 632:ff681937ffd8 136 * values to stack symbols later */
mbed_official 632:ff681937ffd8 137 .stack_dummy (COPY):
mbed_official 632:ff681937ffd8 138 {
mbed_official 632:ff681937ffd8 139 *(.stack*)
mbed_official 632:ff681937ffd8 140 } > RAM
mbed_official 632:ff681937ffd8 141
mbed_official 632:ff681937ffd8 142
mbed_official 632:ff681937ffd8 143 /* Set stack top to end of RAM, and stack limit move down by
mbed_official 632:ff681937ffd8 144 * size of stack_dummy section */
mbed_official 632:ff681937ffd8 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
mbed_official 632:ff681937ffd8 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
mbed_official 632:ff681937ffd8 147 PROVIDE(__stack = __StackTop);
mbed_official 632:ff681937ffd8 148
mbed_official 632:ff681937ffd8 149 /* Check if data + heap + stack exceeds RAM limit */
mbed_official 632:ff681937ffd8 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
mbed_official 632:ff681937ffd8 151 }
mbed_official 632:ff681937ffd8 152