MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_NXP/TARGET_LPC82X/TARGET_LPC824/device/TOOLCHAIN_GCC_ARM/LPC824.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 for mbed LPC824-GCC-ARM based on LPC1114-GCC-ARM-LPC1114.ld */
sahilmgandhi 18:6a4db94011d3 2
sahilmgandhi 18:6a4db94011d3 3 /* Linker script to configure memory regions. */
sahilmgandhi 18:6a4db94011d3 4 MEMORY
sahilmgandhi 18:6a4db94011d3 5 {
sahilmgandhi 18:6a4db94011d3 6 /* Define each memory region */
sahilmgandhi 18:6a4db94011d3 7 FLASH (rx) : ORIGIN = 0x0, LENGTH = 0x8000 /* 32K bytes */
sahilmgandhi 18:6a4db94011d3 8 RAM (rwx) : ORIGIN = 0x10000000+0xC0, LENGTH = 0x2000-0xC0 /* 8K bytes */
sahilmgandhi 18:6a4db94011d3 9
sahilmgandhi 18:6a4db94011d3 10
sahilmgandhi 18:6a4db94011d3 11 }
sahilmgandhi 18:6a4db94011d3 12
sahilmgandhi 18:6a4db94011d3 13 /* Linker script to place sections and symbol values. Should be used together
sahilmgandhi 18:6a4db94011d3 14 * with other linker script that defines memory regions FLASH and RAM.
sahilmgandhi 18:6a4db94011d3 15 * It references following symbols, which must be defined in code:
sahilmgandhi 18:6a4db94011d3 16 * Reset_Handler : Entry of reset handler
sahilmgandhi 18:6a4db94011d3 17 *
sahilmgandhi 18:6a4db94011d3 18 * It defines following symbols, which code can use without definition:
sahilmgandhi 18:6a4db94011d3 19 * __exidx_start
sahilmgandhi 18:6a4db94011d3 20 * __exidx_end
sahilmgandhi 18:6a4db94011d3 21 * __etext
sahilmgandhi 18:6a4db94011d3 22 * __data_start__
sahilmgandhi 18:6a4db94011d3 23 * __preinit_array_start
sahilmgandhi 18:6a4db94011d3 24 * __preinit_array_end
sahilmgandhi 18:6a4db94011d3 25 * __init_array_start
sahilmgandhi 18:6a4db94011d3 26 * __init_array_end
sahilmgandhi 18:6a4db94011d3 27 * __fini_array_start
sahilmgandhi 18:6a4db94011d3 28 * __fini_array_end
sahilmgandhi 18:6a4db94011d3 29 * __data_end__
sahilmgandhi 18:6a4db94011d3 30 * __bss_start__
sahilmgandhi 18:6a4db94011d3 31 * __bss_end__
sahilmgandhi 18:6a4db94011d3 32 * __end__
sahilmgandhi 18:6a4db94011d3 33 * end
sahilmgandhi 18:6a4db94011d3 34 * __HeapLimit
sahilmgandhi 18:6a4db94011d3 35 * __StackLimit
sahilmgandhi 18:6a4db94011d3 36 * __StackTop
sahilmgandhi 18:6a4db94011d3 37 * __stack
sahilmgandhi 18:6a4db94011d3 38 */
sahilmgandhi 18:6a4db94011d3 39 ENTRY(Reset_Handler)
sahilmgandhi 18:6a4db94011d3 40
sahilmgandhi 18:6a4db94011d3 41 SECTIONS
sahilmgandhi 18:6a4db94011d3 42 {
sahilmgandhi 18:6a4db94011d3 43 .text :
sahilmgandhi 18:6a4db94011d3 44 {
sahilmgandhi 18:6a4db94011d3 45 KEEP(*(.isr_vector))
sahilmgandhi 18:6a4db94011d3 46 *(.text.Reset_Handler)
sahilmgandhi 18:6a4db94011d3 47 *(.text.SystemInit)
sahilmgandhi 18:6a4db94011d3 48 *(.text*)
sahilmgandhi 18:6a4db94011d3 49
sahilmgandhi 18:6a4db94011d3 50 KEEP(*(.init))
sahilmgandhi 18:6a4db94011d3 51 KEEP(*(.fini))
sahilmgandhi 18:6a4db94011d3 52
sahilmgandhi 18:6a4db94011d3 53 /* .ctors */
sahilmgandhi 18:6a4db94011d3 54 *crtbegin.o(.ctors)
sahilmgandhi 18:6a4db94011d3 55 *crtbegin?.o(.ctors)
sahilmgandhi 18:6a4db94011d3 56 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
sahilmgandhi 18:6a4db94011d3 57 *(SORT(.ctors.*))
sahilmgandhi 18:6a4db94011d3 58 *(.ctors)
sahilmgandhi 18:6a4db94011d3 59
sahilmgandhi 18:6a4db94011d3 60 /* .dtors */
sahilmgandhi 18:6a4db94011d3 61 *crtbegin.o(.dtors)
sahilmgandhi 18:6a4db94011d3 62 *crtbegin?.o(.dtors)
sahilmgandhi 18:6a4db94011d3 63 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
sahilmgandhi 18:6a4db94011d3 64 *(SORT(.dtors.*))
sahilmgandhi 18:6a4db94011d3 65 *(.dtors)
sahilmgandhi 18:6a4db94011d3 66
sahilmgandhi 18:6a4db94011d3 67 *(.rodata*)
sahilmgandhi 18:6a4db94011d3 68
sahilmgandhi 18:6a4db94011d3 69 KEEP(*(.eh_frame*))
sahilmgandhi 18:6a4db94011d3 70 } > FLASH
sahilmgandhi 18:6a4db94011d3 71
sahilmgandhi 18:6a4db94011d3 72 .ARM.extab :
sahilmgandhi 18:6a4db94011d3 73 {
sahilmgandhi 18:6a4db94011d3 74 *(.ARM.extab* .gnu.linkonce.armextab.*)
sahilmgandhi 18:6a4db94011d3 75 } > FLASH
sahilmgandhi 18:6a4db94011d3 76
sahilmgandhi 18:6a4db94011d3 77 __exidx_start = .;
sahilmgandhi 18:6a4db94011d3 78 .ARM.exidx :
sahilmgandhi 18:6a4db94011d3 79 {
sahilmgandhi 18:6a4db94011d3 80 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
sahilmgandhi 18:6a4db94011d3 81 } > FLASH
sahilmgandhi 18:6a4db94011d3 82 __exidx_end = .;
sahilmgandhi 18:6a4db94011d3 83
sahilmgandhi 18:6a4db94011d3 84 __etext = .;
sahilmgandhi 18:6a4db94011d3 85
sahilmgandhi 18:6a4db94011d3 86 .data : AT (__etext)
sahilmgandhi 18:6a4db94011d3 87 {
sahilmgandhi 18:6a4db94011d3 88 __data_start__ = .;
sahilmgandhi 18:6a4db94011d3 89 *(vtable)
sahilmgandhi 18:6a4db94011d3 90 *(.data*)
sahilmgandhi 18:6a4db94011d3 91
sahilmgandhi 18:6a4db94011d3 92 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 93 /* preinit data */
sahilmgandhi 18:6a4db94011d3 94 PROVIDE (__preinit_array_start = .);
sahilmgandhi 18:6a4db94011d3 95 KEEP(*(.preinit_array))
sahilmgandhi 18:6a4db94011d3 96 PROVIDE (__preinit_array_end = .);
sahilmgandhi 18:6a4db94011d3 97
sahilmgandhi 18:6a4db94011d3 98 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 99 /* init data */
sahilmgandhi 18:6a4db94011d3 100 PROVIDE (__init_array_start = .);
sahilmgandhi 18:6a4db94011d3 101 KEEP(*(SORT(.init_array.*)))
sahilmgandhi 18:6a4db94011d3 102 KEEP(*(.init_array))
sahilmgandhi 18:6a4db94011d3 103 PROVIDE (__init_array_end = .);
sahilmgandhi 18:6a4db94011d3 104
sahilmgandhi 18:6a4db94011d3 105
sahilmgandhi 18:6a4db94011d3 106 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 107 /* finit data */
sahilmgandhi 18:6a4db94011d3 108 PROVIDE (__fini_array_start = .);
sahilmgandhi 18:6a4db94011d3 109 KEEP(*(SORT(.fini_array.*)))
sahilmgandhi 18:6a4db94011d3 110 KEEP(*(.fini_array))
sahilmgandhi 18:6a4db94011d3 111 PROVIDE (__fini_array_end = .);
sahilmgandhi 18:6a4db94011d3 112
sahilmgandhi 18:6a4db94011d3 113 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 114 /* All data end */
sahilmgandhi 18:6a4db94011d3 115 __data_end__ = .;
sahilmgandhi 18:6a4db94011d3 116
sahilmgandhi 18:6a4db94011d3 117 } > RAM
sahilmgandhi 18:6a4db94011d3 118
sahilmgandhi 18:6a4db94011d3 119 .bss :
sahilmgandhi 18:6a4db94011d3 120 {
sahilmgandhi 18:6a4db94011d3 121 __bss_start__ = .;
sahilmgandhi 18:6a4db94011d3 122 *(.bss*)
sahilmgandhi 18:6a4db94011d3 123 *(COMMON)
sahilmgandhi 18:6a4db94011d3 124 __bss_end__ = .;
sahilmgandhi 18:6a4db94011d3 125 } > RAM
sahilmgandhi 18:6a4db94011d3 126
sahilmgandhi 18:6a4db94011d3 127 .heap :
sahilmgandhi 18:6a4db94011d3 128 {
sahilmgandhi 18:6a4db94011d3 129 __end__ = .;
sahilmgandhi 18:6a4db94011d3 130 end = __end__;
sahilmgandhi 18:6a4db94011d3 131 *(.heap*)
sahilmgandhi 18:6a4db94011d3 132 __HeapLimit = .;
sahilmgandhi 18:6a4db94011d3 133 } > RAM
sahilmgandhi 18:6a4db94011d3 134
sahilmgandhi 18:6a4db94011d3 135 /* .stack_dummy section doesn't contains any symbols. It is only
sahilmgandhi 18:6a4db94011d3 136 * used for linker to calculate size of stack sections, and assign
sahilmgandhi 18:6a4db94011d3 137 * values to stack symbols later */
sahilmgandhi 18:6a4db94011d3 138 .stack_dummy :
sahilmgandhi 18:6a4db94011d3 139 {
sahilmgandhi 18:6a4db94011d3 140 *(.stack)
sahilmgandhi 18:6a4db94011d3 141 } > RAM
sahilmgandhi 18:6a4db94011d3 142
sahilmgandhi 18:6a4db94011d3 143 /* Set stack top to end of RAM, and stack limit move down by
sahilmgandhi 18:6a4db94011d3 144 * size of stack_dummy section */
sahilmgandhi 18:6a4db94011d3 145 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
sahilmgandhi 18:6a4db94011d3 146 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
sahilmgandhi 18:6a4db94011d3 147 PROVIDE(__stack = __StackTop);
sahilmgandhi 18:6a4db94011d3 148
sahilmgandhi 18:6a4db94011d3 149 /* Check if data + heap + stack exceeds RAM limit */
sahilmgandhi 18:6a4db94011d3 150 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
sahilmgandhi 18:6a4db94011d3 151 }