MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_Freescale/TARGET_K20XX/TARGET_TEENSY3_1/device/TOOLCHAIN_GCC_ARM/MK20DX256.ld@34:69342782fb68, 2017-05-26 (annotated)

Committer:
sahilmgandhi
Date:
Fri May 26 17:21:04 2017 +0000
Revision:
34:69342782fb68
Parent:
18:6a4db94011d3 
Added small reverse turns before the break so that we can stop faster.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sahilmgandhi 18:6a4db94011d3 1 /*
sahilmgandhi 18:6a4db94011d3 2 * K20DX256 ARM GCC linker script file
sahilmgandhi 18:6a4db94011d3 3 */
sahilmgandhi 18:6a4db94011d3 4
sahilmgandhi 18:6a4db94011d3 5 MEMORY
sahilmgandhi 18:6a4db94011d3 6 {
sahilmgandhi 18:6a4db94011d3 7 VECTORS (rx) : ORIGIN = 0x00000000, LENGTH = 0x00000400
sahilmgandhi 18:6a4db94011d3 8 FLASH_PROTECTION (rx) : ORIGIN = 0x00000400, LENGTH = 0x00000010
sahilmgandhi 18:6a4db94011d3 9 FLASH (rx) : ORIGIN = 0x00000410, LENGTH = 256K - 0x00000410
sahilmgandhi 18:6a4db94011d3 10 RAM (rwx) : ORIGIN = 0x1FFF81C0, LENGTH = 64K - 0x1C0
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_init : 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 .isr_vector :
sahilmgandhi 18:6a4db94011d3 44 {
sahilmgandhi 18:6a4db94011d3 45 . = 0;
sahilmgandhi 18:6a4db94011d3 46 __isr_vector = .;
sahilmgandhi 18:6a4db94011d3 47 KEEP(*(.isr_vector))
sahilmgandhi 18:6a4db94011d3 48 *(.text.Reset_Handler)
sahilmgandhi 18:6a4db94011d3 49 *(.text.SystemInit)
sahilmgandhi 18:6a4db94011d3 50 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 51 } > VECTORS
sahilmgandhi 18:6a4db94011d3 52
sahilmgandhi 18:6a4db94011d3 53 .flash_protect :
sahilmgandhi 18:6a4db94011d3 54 {
sahilmgandhi 18:6a4db94011d3 55 KEEP(*(.kinetis_flash_config_field))
sahilmgandhi 18:6a4db94011d3 56 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 57 } > FLASH_PROTECTION
sahilmgandhi 18:6a4db94011d3 58
sahilmgandhi 18:6a4db94011d3 59 .text :
sahilmgandhi 18:6a4db94011d3 60 {
sahilmgandhi 18:6a4db94011d3 61 *(.text*)
sahilmgandhi 18:6a4db94011d3 62
sahilmgandhi 18:6a4db94011d3 63 KEEP(*(.init))
sahilmgandhi 18:6a4db94011d3 64 KEEP(*(.fini))
sahilmgandhi 18:6a4db94011d3 65
sahilmgandhi 18:6a4db94011d3 66 /* .ctors */
sahilmgandhi 18:6a4db94011d3 67 *crtbegin.o(.ctors)
sahilmgandhi 18:6a4db94011d3 68 *crtbegin?.o(.ctors)
sahilmgandhi 18:6a4db94011d3 69 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
sahilmgandhi 18:6a4db94011d3 70 *(SORT(.ctors.*))
sahilmgandhi 18:6a4db94011d3 71 *(.ctors)
sahilmgandhi 18:6a4db94011d3 72
sahilmgandhi 18:6a4db94011d3 73 /* .dtors */
sahilmgandhi 18:6a4db94011d3 74 *crtbegin.o(.dtors)
sahilmgandhi 18:6a4db94011d3 75 *crtbegin?.o(.dtors)
sahilmgandhi 18:6a4db94011d3 76 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
sahilmgandhi 18:6a4db94011d3 77 *(SORT(.dtors.*))
sahilmgandhi 18:6a4db94011d3 78 *(.dtors)
sahilmgandhi 18:6a4db94011d3 79
sahilmgandhi 18:6a4db94011d3 80 *(.rodata*)
sahilmgandhi 18:6a4db94011d3 81
sahilmgandhi 18:6a4db94011d3 82 KEEP(*(.eh_frame*))
sahilmgandhi 18:6a4db94011d3 83 } > FLASH
sahilmgandhi 18:6a4db94011d3 84
sahilmgandhi 18:6a4db94011d3 85 .ARM.extab :
sahilmgandhi 18:6a4db94011d3 86 {
sahilmgandhi 18:6a4db94011d3 87 *(.ARM.extab* .gnu.linkonce.armextab.*)
sahilmgandhi 18:6a4db94011d3 88 } > FLASH
sahilmgandhi 18:6a4db94011d3 89
sahilmgandhi 18:6a4db94011d3 90 __exidx_start = .;
sahilmgandhi 18:6a4db94011d3 91 .ARM.exidx :
sahilmgandhi 18:6a4db94011d3 92 {
sahilmgandhi 18:6a4db94011d3 93 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
sahilmgandhi 18:6a4db94011d3 94 } > FLASH
sahilmgandhi 18:6a4db94011d3 95 __exidx_end = .;
sahilmgandhi 18:6a4db94011d3 96
sahilmgandhi 18:6a4db94011d3 97 __etext = .;
sahilmgandhi 18:6a4db94011d3 98
sahilmgandhi 18:6a4db94011d3 99 .data : AT (__etext)
sahilmgandhi 18:6a4db94011d3 100 {
sahilmgandhi 18:6a4db94011d3 101 __data_start__ = .;
sahilmgandhi 18:6a4db94011d3 102 *(vtable)
sahilmgandhi 18:6a4db94011d3 103 *(.data*)
sahilmgandhi 18:6a4db94011d3 104
sahilmgandhi 18:6a4db94011d3 105 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 106 /* preinit data */
sahilmgandhi 18:6a4db94011d3 107 PROVIDE_HIDDEN (__preinit_array_start = .);
sahilmgandhi 18:6a4db94011d3 108 KEEP(*(.preinit_array))
sahilmgandhi 18:6a4db94011d3 109 PROVIDE_HIDDEN (__preinit_array_end = .);
sahilmgandhi 18:6a4db94011d3 110
sahilmgandhi 18:6a4db94011d3 111 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 112 /* init data */
sahilmgandhi 18:6a4db94011d3 113 PROVIDE_HIDDEN (__init_array_start = .);
sahilmgandhi 18:6a4db94011d3 114 KEEP(*(SORT(.init_array.*)))
sahilmgandhi 18:6a4db94011d3 115 KEEP(*(.init_array))
sahilmgandhi 18:6a4db94011d3 116 PROVIDE_HIDDEN (__init_array_end = .);
sahilmgandhi 18:6a4db94011d3 117
sahilmgandhi 18:6a4db94011d3 118
sahilmgandhi 18:6a4db94011d3 119 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 120 /* finit data */
sahilmgandhi 18:6a4db94011d3 121 PROVIDE_HIDDEN (__fini_array_start = .);
sahilmgandhi 18:6a4db94011d3 122 KEEP(*(SORT(.fini_array.*)))
sahilmgandhi 18:6a4db94011d3 123 KEEP(*(.fini_array))
sahilmgandhi 18:6a4db94011d3 124 PROVIDE_HIDDEN (__fini_array_end = .);
sahilmgandhi 18:6a4db94011d3 125
sahilmgandhi 18:6a4db94011d3 126 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 127 /* All data end */
sahilmgandhi 18:6a4db94011d3 128 __data_end__ = .;
sahilmgandhi 18:6a4db94011d3 129
sahilmgandhi 18:6a4db94011d3 130 } > RAM
sahilmgandhi 18:6a4db94011d3 131
sahilmgandhi 18:6a4db94011d3 132 .bss :
sahilmgandhi 18:6a4db94011d3 133 {
sahilmgandhi 18:6a4db94011d3 134 __bss_start__ = .;
sahilmgandhi 18:6a4db94011d3 135 *(.bss*)
sahilmgandhi 18:6a4db94011d3 136 *(COMMON)
sahilmgandhi 18:6a4db94011d3 137 __bss_end__ = .;
sahilmgandhi 18:6a4db94011d3 138 } > RAM
sahilmgandhi 18:6a4db94011d3 139
sahilmgandhi 18:6a4db94011d3 140 .heap :
sahilmgandhi 18:6a4db94011d3 141 {
sahilmgandhi 18:6a4db94011d3 142 __end__ = .;
sahilmgandhi 18:6a4db94011d3 143 end = __end__;
sahilmgandhi 18:6a4db94011d3 144 *(.heap*)
sahilmgandhi 18:6a4db94011d3 145 __HeapLimit = .;
sahilmgandhi 18:6a4db94011d3 146 } > RAM
sahilmgandhi 18:6a4db94011d3 147
sahilmgandhi 18:6a4db94011d3 148 /* .stack_dummy section doesn't contains any symbols. It is only
sahilmgandhi 18:6a4db94011d3 149 * used for linker to calculate size of stack sections, and assign
sahilmgandhi 18:6a4db94011d3 150 * values to stack symbols later */
sahilmgandhi 18:6a4db94011d3 151 .stack_dummy :
sahilmgandhi 18:6a4db94011d3 152 {
sahilmgandhi 18:6a4db94011d3 153 *(.stack)
sahilmgandhi 18:6a4db94011d3 154 } > RAM
sahilmgandhi 18:6a4db94011d3 155
sahilmgandhi 18:6a4db94011d3 156 /* Set stack top to end of RAM, and stack limit move down by
sahilmgandhi 18:6a4db94011d3 157 * size of stack_dummy section */
sahilmgandhi 18:6a4db94011d3 158 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
sahilmgandhi 18:6a4db94011d3 159 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
sahilmgandhi 18:6a4db94011d3 160 PROVIDE(__stack = __StackTop);
sahilmgandhi 18:6a4db94011d3 161
sahilmgandhi 18:6a4db94011d3 162 /* Check if data + heap + stack exceeds RAM limit */
sahilmgandhi 18:6a4db94011d3 163 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
sahilmgandhi 18:6a4db94011d3 164 }