MacroRat / MouseCode

Mouse code for the MacroRat

Dependencies:   ITG3200 QEI

mbed-dev/targets/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFR32MG1/device/TOOLCHAIN_GCC_ARM/efr32mg1p.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 Silicon Labs EFR32MG1P devices */
sahilmgandhi 18:6a4db94011d3 2 /* */
sahilmgandhi 18:6a4db94011d3 3 /* This file is subject to the license terms as defined in ARM's */
sahilmgandhi 18:6a4db94011d3 4 /* CMSIS END USER LICENSE AGREEMENT.pdf, governing the use of */
sahilmgandhi 18:6a4db94011d3 5 /* Example Code. */
sahilmgandhi 18:6a4db94011d3 6 /* */
sahilmgandhi 18:6a4db94011d3 7 /* Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com */
sahilmgandhi 18:6a4db94011d3 8 /* */
sahilmgandhi 18:6a4db94011d3 9 /* Version 4.3.0 */
sahilmgandhi 18:6a4db94011d3 10 /* */
sahilmgandhi 18:6a4db94011d3 11
sahilmgandhi 18:6a4db94011d3 12 MEMORY
sahilmgandhi 18:6a4db94011d3 13 {
sahilmgandhi 18:6a4db94011d3 14 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 262144
sahilmgandhi 18:6a4db94011d3 15 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 31744
sahilmgandhi 18:6a4db94011d3 16 }
sahilmgandhi 18:6a4db94011d3 17
sahilmgandhi 18:6a4db94011d3 18 /* MBED: mbed needs to be able to dynamically set the interrupt vector table.
sahilmgandhi 18:6a4db94011d3 19 * We make room for the table at the very beginning of RAM, i.e. at
sahilmgandhi 18:6a4db94011d3 20 * 0x20000000. We need (16+34) * sizeof(uint32_t) = 200 bytes for EFM32PG */
sahilmgandhi 18:6a4db94011d3 21 __vector_size = 0xC8;
sahilmgandhi 18:6a4db94011d3 22
sahilmgandhi 18:6a4db94011d3 23 /* Linker script to place sections and symbol values. Should be used together
sahilmgandhi 18:6a4db94011d3 24 * with other linker script that defines memory regions FLASH and RAM.
sahilmgandhi 18:6a4db94011d3 25 * It references following symbols, which must be defined in code:
sahilmgandhi 18:6a4db94011d3 26 * Reset_Handler : Entry of reset handler
sahilmgandhi 18:6a4db94011d3 27 *
sahilmgandhi 18:6a4db94011d3 28 * It defines following symbols, which code can use without definition:
sahilmgandhi 18:6a4db94011d3 29 * __exidx_start
sahilmgandhi 18:6a4db94011d3 30 * __exidx_end
sahilmgandhi 18:6a4db94011d3 31 * __copy_table_start__
sahilmgandhi 18:6a4db94011d3 32 * __copy_table_end__
sahilmgandhi 18:6a4db94011d3 33 * __zero_table_start__
sahilmgandhi 18:6a4db94011d3 34 * __zero_table_end__
sahilmgandhi 18:6a4db94011d3 35 * __etext
sahilmgandhi 18:6a4db94011d3 36 * __data_start__
sahilmgandhi 18:6a4db94011d3 37 * __preinit_array_start
sahilmgandhi 18:6a4db94011d3 38 * __preinit_array_end
sahilmgandhi 18:6a4db94011d3 39 * __init_array_start
sahilmgandhi 18:6a4db94011d3 40 * __init_array_end
sahilmgandhi 18:6a4db94011d3 41 * __fini_array_start
sahilmgandhi 18:6a4db94011d3 42 * __fini_array_end
sahilmgandhi 18:6a4db94011d3 43 * __data_end__
sahilmgandhi 18:6a4db94011d3 44 * __bss_start__
sahilmgandhi 18:6a4db94011d3 45 * __bss_end__
sahilmgandhi 18:6a4db94011d3 46 * __end__
sahilmgandhi 18:6a4db94011d3 47 * end
sahilmgandhi 18:6a4db94011d3 48 * __HeapLimit
sahilmgandhi 18:6a4db94011d3 49 * __StackLimit
sahilmgandhi 18:6a4db94011d3 50 * __StackTop
sahilmgandhi 18:6a4db94011d3 51 * __stack
sahilmgandhi 18:6a4db94011d3 52 * __Vectors_End
sahilmgandhi 18:6a4db94011d3 53 * __Vectors_Size
sahilmgandhi 18:6a4db94011d3 54 */
sahilmgandhi 18:6a4db94011d3 55 ENTRY(Reset_Handler)
sahilmgandhi 18:6a4db94011d3 56
sahilmgandhi 18:6a4db94011d3 57 SECTIONS
sahilmgandhi 18:6a4db94011d3 58 {
sahilmgandhi 18:6a4db94011d3 59 .text :
sahilmgandhi 18:6a4db94011d3 60 {
sahilmgandhi 18:6a4db94011d3 61 KEEP(*(.vectors))
sahilmgandhi 18:6a4db94011d3 62 __Vectors_End = .;
sahilmgandhi 18:6a4db94011d3 63 __Vectors_Size = __Vectors_End - __Vectors;
sahilmgandhi 18:6a4db94011d3 64 __end__ = .;
sahilmgandhi 18:6a4db94011d3 65
sahilmgandhi 18:6a4db94011d3 66 *(.text*)
sahilmgandhi 18:6a4db94011d3 67
sahilmgandhi 18:6a4db94011d3 68 KEEP(*(.init))
sahilmgandhi 18:6a4db94011d3 69 KEEP(*(.fini))
sahilmgandhi 18:6a4db94011d3 70
sahilmgandhi 18:6a4db94011d3 71 /* .ctors */
sahilmgandhi 18:6a4db94011d3 72 *crtbegin.o(.ctors)
sahilmgandhi 18:6a4db94011d3 73 *crtbegin?.o(.ctors)
sahilmgandhi 18:6a4db94011d3 74 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
sahilmgandhi 18:6a4db94011d3 75 *(SORT(.ctors.*))
sahilmgandhi 18:6a4db94011d3 76 *(.ctors)
sahilmgandhi 18:6a4db94011d3 77
sahilmgandhi 18:6a4db94011d3 78 /* .dtors */
sahilmgandhi 18:6a4db94011d3 79 *crtbegin.o(.dtors)
sahilmgandhi 18:6a4db94011d3 80 *crtbegin?.o(.dtors)
sahilmgandhi 18:6a4db94011d3 81 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
sahilmgandhi 18:6a4db94011d3 82 *(SORT(.dtors.*))
sahilmgandhi 18:6a4db94011d3 83 *(.dtors)
sahilmgandhi 18:6a4db94011d3 84
sahilmgandhi 18:6a4db94011d3 85 *(.rodata*)
sahilmgandhi 18:6a4db94011d3 86
sahilmgandhi 18:6a4db94011d3 87 KEEP(*(.eh_frame*))
sahilmgandhi 18:6a4db94011d3 88 } > FLASH
sahilmgandhi 18:6a4db94011d3 89
sahilmgandhi 18:6a4db94011d3 90 .ARM.extab :
sahilmgandhi 18:6a4db94011d3 91 {
sahilmgandhi 18:6a4db94011d3 92 *(.ARM.extab* .gnu.linkonce.armextab.*)
sahilmgandhi 18:6a4db94011d3 93 } > FLASH
sahilmgandhi 18:6a4db94011d3 94
sahilmgandhi 18:6a4db94011d3 95 __exidx_start = .;
sahilmgandhi 18:6a4db94011d3 96 .ARM.exidx :
sahilmgandhi 18:6a4db94011d3 97 {
sahilmgandhi 18:6a4db94011d3 98 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
sahilmgandhi 18:6a4db94011d3 99 } > FLASH
sahilmgandhi 18:6a4db94011d3 100 __exidx_end = .;
sahilmgandhi 18:6a4db94011d3 101
sahilmgandhi 18:6a4db94011d3 102 /* To copy multiple ROM to RAM sections,
sahilmgandhi 18:6a4db94011d3 103 * uncomment .copy.table section and,
sahilmgandhi 18:6a4db94011d3 104 * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */
sahilmgandhi 18:6a4db94011d3 105 /*
sahilmgandhi 18:6a4db94011d3 106 .copy.table :
sahilmgandhi 18:6a4db94011d3 107 {
sahilmgandhi 18:6a4db94011d3 108 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 109 __copy_table_start__ = .;
sahilmgandhi 18:6a4db94011d3 110 LONG (__etext)
sahilmgandhi 18:6a4db94011d3 111 LONG (__data_start__)
sahilmgandhi 18:6a4db94011d3 112 LONG (__data_end__ - __data_start__)
sahilmgandhi 18:6a4db94011d3 113 LONG (__etext2)
sahilmgandhi 18:6a4db94011d3 114 LONG (__data2_start__)
sahilmgandhi 18:6a4db94011d3 115 LONG (__data2_end__ - __data2_start__)
sahilmgandhi 18:6a4db94011d3 116 __copy_table_end__ = .;
sahilmgandhi 18:6a4db94011d3 117 } > FLASH
sahilmgandhi 18:6a4db94011d3 118 */
sahilmgandhi 18:6a4db94011d3 119
sahilmgandhi 18:6a4db94011d3 120 /* To clear multiple BSS sections,
sahilmgandhi 18:6a4db94011d3 121 * uncomment .zero.table section and,
sahilmgandhi 18:6a4db94011d3 122 * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */
sahilmgandhi 18:6a4db94011d3 123 /*
sahilmgandhi 18:6a4db94011d3 124 .zero.table :
sahilmgandhi 18:6a4db94011d3 125 {
sahilmgandhi 18:6a4db94011d3 126 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 127 __zero_table_start__ = .;
sahilmgandhi 18:6a4db94011d3 128 LONG (__bss_start__)
sahilmgandhi 18:6a4db94011d3 129 LONG (__bss_end__ - __bss_start__)
sahilmgandhi 18:6a4db94011d3 130 LONG (__bss2_start__)
sahilmgandhi 18:6a4db94011d3 131 LONG (__bss2_end__ - __bss2_start__)
sahilmgandhi 18:6a4db94011d3 132 __zero_table_end__ = .;
sahilmgandhi 18:6a4db94011d3 133 } > FLASH
sahilmgandhi 18:6a4db94011d3 134 */
sahilmgandhi 18:6a4db94011d3 135
sahilmgandhi 18:6a4db94011d3 136 __etext = .;
sahilmgandhi 18:6a4db94011d3 137
sahilmgandhi 18:6a4db94011d3 138 .data : AT (__etext)
sahilmgandhi 18:6a4db94011d3 139 {
sahilmgandhi 18:6a4db94011d3 140 __data_start__ = .;
sahilmgandhi 18:6a4db94011d3 141 PROVIDE( __start_vector_table__ = .);
sahilmgandhi 18:6a4db94011d3 142 . += __vector_size;
sahilmgandhi 18:6a4db94011d3 143 PROVIDE( __end_vector_table__ = .);
sahilmgandhi 18:6a4db94011d3 144 *(vtable)
sahilmgandhi 18:6a4db94011d3 145 *(.data*)
sahilmgandhi 18:6a4db94011d3 146 . = ALIGN (4);
sahilmgandhi 18:6a4db94011d3 147 *(.ram)
sahilmgandhi 18:6a4db94011d3 148
sahilmgandhi 18:6a4db94011d3 149 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 150 /* preinit data */
sahilmgandhi 18:6a4db94011d3 151 PROVIDE_HIDDEN (__preinit_array_start = .);
sahilmgandhi 18:6a4db94011d3 152 KEEP(*(.preinit_array))
sahilmgandhi 18:6a4db94011d3 153 PROVIDE_HIDDEN (__preinit_array_end = .);
sahilmgandhi 18:6a4db94011d3 154
sahilmgandhi 18:6a4db94011d3 155 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 156 /* init data */
sahilmgandhi 18:6a4db94011d3 157 PROVIDE_HIDDEN (__init_array_start = .);
sahilmgandhi 18:6a4db94011d3 158 KEEP(*(SORT(.init_array.*)))
sahilmgandhi 18:6a4db94011d3 159 KEEP(*(.init_array))
sahilmgandhi 18:6a4db94011d3 160 PROVIDE_HIDDEN (__init_array_end = .);
sahilmgandhi 18:6a4db94011d3 161
sahilmgandhi 18:6a4db94011d3 162 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 163 /* finit data */
sahilmgandhi 18:6a4db94011d3 164 PROVIDE_HIDDEN (__fini_array_start = .);
sahilmgandhi 18:6a4db94011d3 165 KEEP(*(SORT(.fini_array.*)))
sahilmgandhi 18:6a4db94011d3 166 KEEP(*(.fini_array))
sahilmgandhi 18:6a4db94011d3 167 PROVIDE_HIDDEN (__fini_array_end = .);
sahilmgandhi 18:6a4db94011d3 168
sahilmgandhi 18:6a4db94011d3 169 KEEP(*(.jcr*))
sahilmgandhi 18:6a4db94011d3 170 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 171 /* All data end */
sahilmgandhi 18:6a4db94011d3 172 __data_end__ = .;
sahilmgandhi 18:6a4db94011d3 173
sahilmgandhi 18:6a4db94011d3 174 } > RAM
sahilmgandhi 18:6a4db94011d3 175
sahilmgandhi 18:6a4db94011d3 176 .bss :
sahilmgandhi 18:6a4db94011d3 177 {
sahilmgandhi 18:6a4db94011d3 178 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 179 __bss_start__ = .;
sahilmgandhi 18:6a4db94011d3 180 *(.bss*)
sahilmgandhi 18:6a4db94011d3 181 *(COMMON)
sahilmgandhi 18:6a4db94011d3 182 . = ALIGN(4);
sahilmgandhi 18:6a4db94011d3 183 __bss_end__ = .;
sahilmgandhi 18:6a4db94011d3 184 } > RAM
sahilmgandhi 18:6a4db94011d3 185
sahilmgandhi 18:6a4db94011d3 186 .heap (COPY):
sahilmgandhi 18:6a4db94011d3 187 {
sahilmgandhi 18:6a4db94011d3 188 __HeapBase = .;
sahilmgandhi 18:6a4db94011d3 189 __end__ = .;
sahilmgandhi 18:6a4db94011d3 190 end = __end__;
sahilmgandhi 18:6a4db94011d3 191 _end = __end__;
sahilmgandhi 18:6a4db94011d3 192 KEEP(*(.heap*))
sahilmgandhi 18:6a4db94011d3 193 __HeapLimit = .;
sahilmgandhi 18:6a4db94011d3 194 } > RAM
sahilmgandhi 18:6a4db94011d3 195
sahilmgandhi 18:6a4db94011d3 196 /* .stack_dummy section doesn't contains any symbols. It is only
sahilmgandhi 18:6a4db94011d3 197 * used for linker to calculate size of stack sections, and assign
sahilmgandhi 18:6a4db94011d3 198 * values to stack symbols later */
sahilmgandhi 18:6a4db94011d3 199 .stack_dummy (COPY):
sahilmgandhi 18:6a4db94011d3 200 {
sahilmgandhi 18:6a4db94011d3 201 KEEP(*(.stack*))
sahilmgandhi 18:6a4db94011d3 202 } > RAM
sahilmgandhi 18:6a4db94011d3 203
sahilmgandhi 18:6a4db94011d3 204 /* Set stack top to end of RAM, and stack limit move down by
sahilmgandhi 18:6a4db94011d3 205 * size of stack_dummy section */
sahilmgandhi 18:6a4db94011d3 206 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
sahilmgandhi 18:6a4db94011d3 207 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
sahilmgandhi 18:6a4db94011d3 208 PROVIDE(__stack = __StackTop);
sahilmgandhi 18:6a4db94011d3 209
sahilmgandhi 18:6a4db94011d3 210 /* Check if data + heap + stack exceeds RAM limit */
sahilmgandhi 18:6a4db94011d3 211 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
sahilmgandhi 18:6a4db94011d3 212
sahilmgandhi 18:6a4db94011d3 213 /* Check if FLASH usage exceeds FLASH size */
sahilmgandhi 18:6a4db94011d3 214 ASSERT( LENGTH(FLASH) >= (__etext + SIZEOF(.data)), "FLASH memory overflowed !")
sahilmgandhi 18:6a4db94011d3 215 }