MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F401xC/device/TOOLCHAIN_GCC_ARM/STM32F401XC.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 MEMORY
sahilmgandhi 18:6a4db94011d3 3 {
sahilmgandhi 18:6a4db94011d3 4 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 256K
sahilmgandhi 18:6a4db94011d3 5 RAM (rwx) : ORIGIN = 0x20000194, LENGTH = 64k - 0x194
sahilmgandhi 18:6a4db94011d3 6 }
sahilmgandhi 18:6a4db94011d3 7
sahilmgandhi 18:6a4db94011d3 8 /* Linker script to place sections and symbol values. Should be used together
sahilmgandhi 18:6a4db94011d3 9 * with other linker script that defines memory regions FLASH and RAM.
sahilmgandhi 18:6a4db94011d3 10 * It references following symbols, which must be defined in code:
sahilmgandhi 18:6a4db94011d3 11 * Reset_Handler : Entry of reset handler
sahilmgandhi 18:6a4db94011d3 12 *
sahilmgandhi 18:6a4db94011d3 13 * It defines following symbols, which code can use without definition:
sahilmgandhi 18:6a4db94011d3 14 * __exidx_start
sahilmgandhi 18:6a4db94011d3 15 * __exidx_end
sahilmgandhi 18:6a4db94011d3 16 * __etext
sahilmgandhi 18:6a4db94011d3 17 * __data_start__
sahilmgandhi 18:6a4db94011d3 18 * __preinit_array_start
sahilmgandhi 18:6a4db94011d3 19 * __preinit_array_end
sahilmgandhi 18:6a4db94011d3 20 * __init_array_start
sahilmgandhi 18:6a4db94011d3 21 * __init_array_end
sahilmgandhi 18:6a4db94011d3 22 * __fini_array_start
sahilmgandhi 18:6a4db94011d3 23 * __fini_array_end
sahilmgandhi 18:6a4db94011d3 24 * __data_end__
sahilmgandhi 18:6a4db94011d3 25 * __bss_start__
sahilmgandhi 18:6a4db94011d3 26 * __bss_end__
sahilmgandhi 18:6a4db94011d3 27 * __end__
sahilmgandhi 18:6a4db94011d3 28 * end
sahilmgandhi 18:6a4db94011d3 29 * __HeapLimit
sahilmgandhi 18:6a4db94011d3 30 * __StackLimit
sahilmgandhi 18:6a4db94011d3 31 * __StackTop
sahilmgandhi 18:6a4db94011d3 32 * __stack
sahilmgandhi 18:6a4db94011d3 33 * _estack
sahilmgandhi 18:6a4db94011d3 34 */
sahilmgandhi 18:6a4db94011d3 35 ENTRY(Reset_Handler)
sahilmgandhi 18:6a4db94011d3 36
sahilmgandhi 18:6a4db94011d3 37 SECTIONS
sahilmgandhi 18:6a4db94011d3 38 {
sahilmgandhi 18:6a4db94011d3 39 .text :
sahilmgandhi 18:6a4db94011d3 40 {
sahilmgandhi 18:6a4db94011d3 41 KEEP(*(.isr_vector))
sahilmgandhi 18:6a4db94011d3 42 *(.text*)
sahilmgandhi 18:6a4db94011d3 43 KEEP(*(.init))
sahilmgandhi 18:6a4db94011d3 44 KEEP(*(.fini))
sahilmgandhi 18:6a4db94011d3 45
sahilmgandhi 18:6a4db94011d3 46 /* .ctors */
sahilmgandhi 18:6a4db94011d3 47 *crtbegin.o(.ctors)
sahilmgandhi 18:6a4db94011d3 48 *crtbegin?.o(.ctors)
sahilmgandhi 18:6a4db94011d3 49 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
sahilmgandhi 18:6a4db94011d3 50 *(SORT(.ctors.*))
sahilmgandhi 18:6a4db94011d3 51 *(.ctors)
sahilmgandhi 18:6a4db94011d3 52
sahilmgandhi 18:6a4db94011d3 53 /* .dtors */
sahilmgandhi 18:6a4db94011d3 54 *crtbegin.o(.dtors)
sahilmgandhi 18:6a4db94011d3 55 *crtbegin?.o(.dtors)
sahilmgandhi 18:6a4db94011d3 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
sahilmgandhi 18:6a4db94011d3 57 *(SORT(.dtors.*))
sahilmgandhi 18:6a4db94011d3 58 *(.dtors)
sahilmgandhi 18:6a4db94011d3 59
sahilmgandhi 18:6a4db94011d3 60 *(.rodata*)
sahilmgandhi 18:6a4db94011d3 61
sahilmgandhi 18:6a4db94011d3 62 KEEP(*(.eh_frame*))
sahilmgandhi 18:6a4db94011d3 63 } > FLASH
sahilmgandhi 18:6a4db94011d3 64
sahilmgandhi 18:6a4db94011d3 65 .ARM.extab :
sahilmgandhi 18:6a4db94011d3 66 {
sahilmgandhi 18:6a4db94011d3 67 *(.ARM.extab* .gnu.linkonce.armextab.*)
sahilmgandhi 18:6a4db94011d3 68 } > FLASH
sahilmgandhi 18:6a4db94011d3 69
sahilmgandhi 18:6a4db94011d3 70 __exidx_start = .;
sahilmgandhi 18:6a4db94011d3 71 .ARM.exidx :
sahilmgandhi 18:6a4db94011d3 72 {
sahilmgandhi 18:6a4db94011d3 73 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
sahilmgandhi 18:6a4db94011d3 74 } > FLASH
sahilmgandhi 18:6a4db94011d3 75 __exidx_end = .;
sahilmgandhi 18:6a4db94011d3 76
sahilmgandhi 18:6a4db94011d3 77 __etext = .;
sahilmgandhi 18:6a4db94011d3 78 _sidata = .;
sahilmgandhi 18:6a4db94011d3 79
sahilmgandhi 18:6a4db94011d3 80 .data : AT (__etext)
sahilmgandhi 18:6a4db94011d3 81 {
sahilmgandhi 18:6a4db94011d3 82 __data_start__ = .;
sahilmgandhi 18:6a4db94011d3 83 _sdata = .;
sahilmgandhi 18:6a4db94011d3 84 *(vtable)
sahilmgandhi 18:6a4db94011d3 85 *(.data*)
sahilmgandhi 18:6a4db94011d3 86
sahilmgandhi 18:6a4db94011d3 87 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 88 /* preinit data */
sahilmgandhi 18:6a4db94011d3 89 PROVIDE_HIDDEN (__preinit_array_start = .);
sahilmgandhi 18:6a4db94011d3 90 KEEP(*(.preinit_array))
sahilmgandhi 18:6a4db94011d3 91 PROVIDE_HIDDEN (__preinit_array_end = .);
sahilmgandhi 18:6a4db94011d3 92
sahilmgandhi 18:6a4db94011d3 93 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 94 /* init data */
sahilmgandhi 18:6a4db94011d3 95 PROVIDE_HIDDEN (__init_array_start = .);
sahilmgandhi 18:6a4db94011d3 96 KEEP(*(SORT(.init_array.*)))
sahilmgandhi 18:6a4db94011d3 97 KEEP(*(.init_array))
sahilmgandhi 18:6a4db94011d3 98 PROVIDE_HIDDEN (__init_array_end = .);
sahilmgandhi 18:6a4db94011d3 99
sahilmgandhi 18:6a4db94011d3 100
sahilmgandhi 18:6a4db94011d3 101 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 102 /* finit data */
sahilmgandhi 18:6a4db94011d3 103 PROVIDE_HIDDEN (__fini_array_start = .);
sahilmgandhi 18:6a4db94011d3 104 KEEP(*(SORT(.fini_array.*)))
sahilmgandhi 18:6a4db94011d3 105 KEEP(*(.fini_array))
sahilmgandhi 18:6a4db94011d3 106 PROVIDE_HIDDEN (__fini_array_end = .);
sahilmgandhi 18:6a4db94011d3 107
sahilmgandhi 18:6a4db94011d3 108 KEEP(*(.jcr*))
sahilmgandhi 18:6a4db94011d3 109 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 110 /* All data end */
sahilmgandhi 18:6a4db94011d3 111 __data_end__ = .;
sahilmgandhi 18:6a4db94011d3 112 _edata = .;
sahilmgandhi 18:6a4db94011d3 113
sahilmgandhi 18:6a4db94011d3 114 } > RAM
sahilmgandhi 18:6a4db94011d3 115
sahilmgandhi 18:6a4db94011d3 116 .bss :
sahilmgandhi 18:6a4db94011d3 117 {
sahilmgandhi 18:6a4db94011d3 118 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 119 __bss_start__ = .;
sahilmgandhi 18:6a4db94011d3 120 _sbss = .;
sahilmgandhi 18:6a4db94011d3 121 *(.bss*)
sahilmgandhi 18:6a4db94011d3 122 *(COMMON)
sahilmgandhi 18:6a4db94011d3 123 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 124 __bss_end__ = .;
sahilmgandhi 18:6a4db94011d3 125 _ebss = .;
sahilmgandhi 18:6a4db94011d3 126 } > RAM
sahilmgandhi 18:6a4db94011d3 127
sahilmgandhi 18:6a4db94011d3 128 .heap (COPY):
sahilmgandhi 18:6a4db94011d3 129 {
sahilmgandhi 18:6a4db94011d3 130 __end__ = .;
sahilmgandhi 18:6a4db94011d3 131 end = __end__;
sahilmgandhi 18:6a4db94011d3 132 *(.heap*)
sahilmgandhi 18:6a4db94011d3 133 __HeapLimit = .;
sahilmgandhi 18:6a4db94011d3 134 } > RAM
sahilmgandhi 18:6a4db94011d3 135
sahilmgandhi 18:6a4db94011d3 136 /* .stack_dummy section doesn't contains any symbols. It is only
sahilmgandhi 18:6a4db94011d3 137 * used for linker to calculate size of stack sections, and assign
sahilmgandhi 18:6a4db94011d3 138 * values to stack symbols later */
sahilmgandhi 18:6a4db94011d3 139 .stack_dummy (COPY):
sahilmgandhi 18:6a4db94011d3 140 {
sahilmgandhi 18:6a4db94011d3 141 *(.stack*)
sahilmgandhi 18:6a4db94011d3 142 } > RAM
sahilmgandhi 18:6a4db94011d3 143
sahilmgandhi 18:6a4db94011d3 144 /* Set stack top to end of RAM, and stack limit move down by
sahilmgandhi 18:6a4db94011d3 145 * size of stack_dummy section */
sahilmgandhi 18:6a4db94011d3 146 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
sahilmgandhi 18:6a4db94011d3 147 _estack = __StackTop;
sahilmgandhi 18:6a4db94011d3 148 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
sahilmgandhi 18:6a4db94011d3 149 PROVIDE(__stack = __StackTop);
sahilmgandhi 18:6a4db94011d3 150
sahilmgandhi 18:6a4db94011d3 151 /* Check if data + heap + stack exceeds RAM limit */
sahilmgandhi 18:6a4db94011d3 152 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
sahilmgandhi 18:6a4db94011d3 153 }