MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NORDIC/TARGET_NRF5/TARGET_MCU_NRF51822_UNIFIED/device/TOOLCHAIN_GCC_ARM/TARGET_MCU_NRF51_16K_S130/NRF51822.ld@46:b156ef445742, 2017-06-03 (annotated)

Committer:
sahilmgandhi
Date:
Sat Jun 03 00:22:44 2017 +0000
Revision:
46:b156ef445742
Parent:
18:6a4db94011d3 
Final code for internal battlebot competition.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /* Linker script to configure memory regions. */
sahilmgandhi 18:6a4db94011d3 2
sahilmgandhi 18:6a4db94011d3 3 MEMORY
sahilmgandhi 18:6a4db94011d3 4 {
sahilmgandhi 18:6a4db94011d3 5 FLASH (rx) : ORIGIN = 0x0001C000, LENGTH = 0x24000
sahilmgandhi 18:6a4db94011d3 6 RAM (rwx) : ORIGIN = 0x20002800, LENGTH = 0x1800
sahilmgandhi 18:6a4db94011d3 7 }
sahilmgandhi 18:6a4db94011d3 8
sahilmgandhi 18:6a4db94011d3 9 OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm")
sahilmgandhi 18:6a4db94011d3 10
sahilmgandhi 18:6a4db94011d3 11 /* Linker script to place sections and symbol values. Should be used together
sahilmgandhi 18:6a4db94011d3 12 * with other linker script that defines memory regions FLASH and RAM.
sahilmgandhi 18:6a4db94011d3 13 * It references following symbols, which must be defined in code:
sahilmgandhi 18:6a4db94011d3 14 * Reset_Handler : Entry of reset handler
sahilmgandhi 18:6a4db94011d3 15 *
sahilmgandhi 18:6a4db94011d3 16 * It defines following symbols, which code can use without definition:
sahilmgandhi 18:6a4db94011d3 17 * __exidx_start
sahilmgandhi 18:6a4db94011d3 18 * __exidx_end
sahilmgandhi 18:6a4db94011d3 19 * __etext
sahilmgandhi 18:6a4db94011d3 20 * __data_start__
sahilmgandhi 18:6a4db94011d3 21 * __preinit_array_start
sahilmgandhi 18:6a4db94011d3 22 * __preinit_array_end
sahilmgandhi 18:6a4db94011d3 23 * __init_array_start
sahilmgandhi 18:6a4db94011d3 24 * __init_array_end
sahilmgandhi 18:6a4db94011d3 25 * __fini_array_start
sahilmgandhi 18:6a4db94011d3 26 * __fini_array_end
sahilmgandhi 18:6a4db94011d3 27 * __data_end__
sahilmgandhi 18:6a4db94011d3 28 * __bss_start__
sahilmgandhi 18:6a4db94011d3 29 * __bss_end__
sahilmgandhi 18:6a4db94011d3 30 * __end__
sahilmgandhi 18:6a4db94011d3 31 * end
sahilmgandhi 18:6a4db94011d3 32 * __HeapLimit
sahilmgandhi 18:6a4db94011d3 33 * __StackLimit
sahilmgandhi 18:6a4db94011d3 34 * __StackTop
sahilmgandhi 18:6a4db94011d3 35 * __stack
sahilmgandhi 18:6a4db94011d3 36 */
sahilmgandhi 18:6a4db94011d3 37 ENTRY(Reset_Handler)
sahilmgandhi 18:6a4db94011d3 38
sahilmgandhi 18:6a4db94011d3 39 SECTIONS
sahilmgandhi 18:6a4db94011d3 40 {
sahilmgandhi 18:6a4db94011d3 41 .text :
sahilmgandhi 18:6a4db94011d3 42 {
sahilmgandhi 18:6a4db94011d3 43 KEEP(*(.Vectors))
sahilmgandhi 18:6a4db94011d3 44 *(.text*)
sahilmgandhi 18:6a4db94011d3 45
sahilmgandhi 18:6a4db94011d3 46 KEEP(*(.init))
sahilmgandhi 18:6a4db94011d3 47 KEEP(*(.fini))
sahilmgandhi 18:6a4db94011d3 48
sahilmgandhi 18:6a4db94011d3 49 /* .ctors */
sahilmgandhi 18:6a4db94011d3 50 *crtbegin.o(.ctors)
sahilmgandhi 18:6a4db94011d3 51 *crtbegin?.o(.ctors)
sahilmgandhi 18:6a4db94011d3 52 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
sahilmgandhi 18:6a4db94011d3 53 *(SORT(.ctors.*))
sahilmgandhi 18:6a4db94011d3 54 *(.ctors)
sahilmgandhi 18:6a4db94011d3 55
sahilmgandhi 18:6a4db94011d3 56 /* .dtors */
sahilmgandhi 18:6a4db94011d3 57 *crtbegin.o(.dtors)
sahilmgandhi 18:6a4db94011d3 58 *crtbegin?.o(.dtors)
sahilmgandhi 18:6a4db94011d3 59 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
sahilmgandhi 18:6a4db94011d3 60 *(SORT(.dtors.*))
sahilmgandhi 18:6a4db94011d3 61 *(.dtors)
sahilmgandhi 18:6a4db94011d3 62
sahilmgandhi 18:6a4db94011d3 63 *(.rodata*)
sahilmgandhi 18:6a4db94011d3 64
sahilmgandhi 18:6a4db94011d3 65 KEEP(*(.eh_frame*))
sahilmgandhi 18:6a4db94011d3 66 } > FLASH
sahilmgandhi 18:6a4db94011d3 67
sahilmgandhi 18:6a4db94011d3 68
sahilmgandhi 18:6a4db94011d3 69 .ARM.extab :
sahilmgandhi 18:6a4db94011d3 70 {
sahilmgandhi 18:6a4db94011d3 71 *(.ARM.extab* .gnu.linkonce.armextab.*)
sahilmgandhi 18:6a4db94011d3 72 } > FLASH
sahilmgandhi 18:6a4db94011d3 73
sahilmgandhi 18:6a4db94011d3 74 __exidx_start = .;
sahilmgandhi 18:6a4db94011d3 75 .ARM.exidx :
sahilmgandhi 18:6a4db94011d3 76 {
sahilmgandhi 18:6a4db94011d3 77 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
sahilmgandhi 18:6a4db94011d3 78 } > FLASH
sahilmgandhi 18:6a4db94011d3 79 __exidx_end = .;
sahilmgandhi 18:6a4db94011d3 80
sahilmgandhi 18:6a4db94011d3 81 __etext = .;
sahilmgandhi 18:6a4db94011d3 82
sahilmgandhi 18:6a4db94011d3 83 .data : AT (__etext)
sahilmgandhi 18:6a4db94011d3 84 {
sahilmgandhi 18:6a4db94011d3 85 __data_start__ = .;
sahilmgandhi 18:6a4db94011d3 86 *(vtable)
sahilmgandhi 18:6a4db94011d3 87 *(.data*)
sahilmgandhi 18:6a4db94011d3 88
sahilmgandhi 18:6a4db94011d3 89 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 90 /* preinit data */
sahilmgandhi 18:6a4db94011d3 91 PROVIDE_HIDDEN (__preinit_array_start = .);
sahilmgandhi 18:6a4db94011d3 92 KEEP(*(.preinit_array))
sahilmgandhi 18:6a4db94011d3 93 PROVIDE_HIDDEN (__preinit_array_end = .);
sahilmgandhi 18:6a4db94011d3 94
sahilmgandhi 18:6a4db94011d3 95 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 96 /* init data */
sahilmgandhi 18:6a4db94011d3 97 PROVIDE_HIDDEN (__init_array_start = .);
sahilmgandhi 18:6a4db94011d3 98 KEEP(*(SORT(.init_array.*)))
sahilmgandhi 18:6a4db94011d3 99 KEEP(*(.init_array))
sahilmgandhi 18:6a4db94011d3 100 PROVIDE_HIDDEN (__init_array_end = .);
sahilmgandhi 18:6a4db94011d3 101
sahilmgandhi 18:6a4db94011d3 102
sahilmgandhi 18:6a4db94011d3 103 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 104 /* finit data */
sahilmgandhi 18:6a4db94011d3 105 PROVIDE_HIDDEN (__fini_array_start = .);
sahilmgandhi 18:6a4db94011d3 106 KEEP(*(SORT(.fini_array.*)))
sahilmgandhi 18:6a4db94011d3 107 KEEP(*(.fini_array))
sahilmgandhi 18:6a4db94011d3 108 PROVIDE_HIDDEN (__fini_array_end = .);
sahilmgandhi 18:6a4db94011d3 109
sahilmgandhi 18:6a4db94011d3 110 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 111 PROVIDE(__start_fs_data = .);
sahilmgandhi 18:6a4db94011d3 112 KEEP(*(.fs_data))
sahilmgandhi 18:6a4db94011d3 113 PROVIDE(__stop_fs_data = .);
sahilmgandhi 18:6a4db94011d3 114
sahilmgandhi 18:6a4db94011d3 115 *(.jcr)
sahilmgandhi 18:6a4db94011d3 116 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 117 /* All data end */
sahilmgandhi 18:6a4db94011d3 118 __data_end__ = .;
sahilmgandhi 18:6a4db94011d3 119
sahilmgandhi 18:6a4db94011d3 120 } > RAM
sahilmgandhi 18:6a4db94011d3 121
sahilmgandhi 18:6a4db94011d3 122 .noinit :
sahilmgandhi 18:6a4db94011d3 123 {
sahilmgandhi 18:6a4db94011d3 124 PROVIDE(__start_noinit = .);
sahilmgandhi 18:6a4db94011d3 125 KEEP(*(.noinit))
sahilmgandhi 18:6a4db94011d3 126 PROVIDE(__stop_noinit = .);
sahilmgandhi 18:6a4db94011d3 127 } > RAM
sahilmgandhi 18:6a4db94011d3 128
sahilmgandhi 18:6a4db94011d3 129 .bss :
sahilmgandhi 18:6a4db94011d3 130 {
sahilmgandhi 18:6a4db94011d3 131 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 132 __bss_start__ = .;
sahilmgandhi 18:6a4db94011d3 133 *(.bss*)
sahilmgandhi 18:6a4db94011d3 134 *(COMMON)
sahilmgandhi 18:6a4db94011d3 135 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 136 __bss_end__ = .;
sahilmgandhi 18:6a4db94011d3 137 } > RAM
sahilmgandhi 18:6a4db94011d3 138
sahilmgandhi 18:6a4db94011d3 139 .heap (NOLOAD):
sahilmgandhi 18:6a4db94011d3 140 {
sahilmgandhi 18:6a4db94011d3 141 __end__ = .;
sahilmgandhi 18:6a4db94011d3 142 end = __end__;
sahilmgandhi 18:6a4db94011d3 143 __HeapBase = .;
sahilmgandhi 18:6a4db94011d3 144 *(.heap*)
sahilmgandhi 18:6a4db94011d3 145 . = ORIGIN(RAM) + LENGTH(RAM) - Stack_Size;
sahilmgandhi 18:6a4db94011d3 146 __HeapLimit = .;
sahilmgandhi 18:6a4db94011d3 147 } > RAM
sahilmgandhi 18:6a4db94011d3 148
sahilmgandhi 18:6a4db94011d3 149 /* .stack_dummy section doesn't contains any symbols. It is only
sahilmgandhi 18:6a4db94011d3 150 * used for linker to calculate size of stack sections, and assign
sahilmgandhi 18:6a4db94011d3 151 * values to stack symbols later */
sahilmgandhi 18:6a4db94011d3 152 .stack_dummy (NOLOAD):
sahilmgandhi 18:6a4db94011d3 153 {
sahilmgandhi 18:6a4db94011d3 154 *(.stack*)
sahilmgandhi 18:6a4db94011d3 155 } > RAM
sahilmgandhi 18:6a4db94011d3 156
sahilmgandhi 18:6a4db94011d3 157 /* Set stack top to end of RAM, and stack limit move down by
sahilmgandhi 18:6a4db94011d3 158 * size of stack_dummy section */
sahilmgandhi 18:6a4db94011d3 159 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
sahilmgandhi 18:6a4db94011d3 160 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
sahilmgandhi 18:6a4db94011d3 161 PROVIDE(__stack = __StackTop);
sahilmgandhi 18:6a4db94011d3 162
sahilmgandhi 18:6a4db94011d3 163 /* Check if data + heap + stack exceeds RAM limit */
sahilmgandhi 18:6a4db94011d3 164 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
sahilmgandhi 18:6a4db94011d3 165 }