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TARGET_THUNDERBOARD_SENSE/TOOLCHAIN_GCC_ARM/efr32mg1p.ld@135:fce8a9387ed1, 2017-01-17 (annotated)

Committer:
kaoshen
Date:
Tue Jan 17 23:27:32 2017 +0000
Revision:
135:fce8a9387ed1
Parent:
132:9baf128c2fab 
333 ADS1115 ADC1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 132:9baf128c2fab 1 /* Linker script for Silicon Labs EFR32MG1P devices */
<> 132:9baf128c2fab 2 /* */
<> 132:9baf128c2fab 3 /* This file is subject to the license terms as defined in ARM's */
<> 132:9baf128c2fab 4 /* CMSIS END USER LICENSE AGREEMENT.pdf, governing the use of */
<> 132:9baf128c2fab 5 /* Example Code. */
<> 132:9baf128c2fab 6 /* */
<> 132:9baf128c2fab 7 /* Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com */
<> 132:9baf128c2fab 8 /* */
<> 132:9baf128c2fab 9 /* Version 4.3.0 */
<> 132:9baf128c2fab 10 /* */
<> 132:9baf128c2fab 11
<> 132:9baf128c2fab 12 MEMORY
<> 132:9baf128c2fab 13 {
<> 132:9baf128c2fab 14 FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 262144
<> 132:9baf128c2fab 15 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 31744
<> 132:9baf128c2fab 16 }
<> 132:9baf128c2fab 17
<> 132:9baf128c2fab 18 /* MBED: mbed needs to be able to dynamically set the interrupt vector table.
<> 132:9baf128c2fab 19 * We make room for the table at the very beginning of RAM, i.e. at
<> 132:9baf128c2fab 20 * 0x20000000. We need (16+34) * sizeof(uint32_t) = 200 bytes for EFM32PG */
<> 132:9baf128c2fab 21 __vector_size = 0xC8;
<> 132:9baf128c2fab 22
<> 132:9baf128c2fab 23 /* Linker script to place sections and symbol values. Should be used together
<> 132:9baf128c2fab 24 * with other linker script that defines memory regions FLASH and RAM.
<> 132:9baf128c2fab 25 * It references following symbols, which must be defined in code:
<> 132:9baf128c2fab 26 * Reset_Handler : Entry of reset handler
<> 132:9baf128c2fab 27 *
<> 132:9baf128c2fab 28 * It defines following symbols, which code can use without definition:
<> 132:9baf128c2fab 29 * __exidx_start
<> 132:9baf128c2fab 30 * __exidx_end
<> 132:9baf128c2fab 31 * __copy_table_start__
<> 132:9baf128c2fab 32 * __copy_table_end__
<> 132:9baf128c2fab 33 * __zero_table_start__
<> 132:9baf128c2fab 34 * __zero_table_end__
<> 132:9baf128c2fab 35 * __etext
<> 132:9baf128c2fab 36 * __data_start__
<> 132:9baf128c2fab 37 * __preinit_array_start
<> 132:9baf128c2fab 38 * __preinit_array_end
<> 132:9baf128c2fab 39 * __init_array_start
<> 132:9baf128c2fab 40 * __init_array_end
<> 132:9baf128c2fab 41 * __fini_array_start
<> 132:9baf128c2fab 42 * __fini_array_end
<> 132:9baf128c2fab 43 * __data_end__
<> 132:9baf128c2fab 44 * __bss_start__
<> 132:9baf128c2fab 45 * __bss_end__
<> 132:9baf128c2fab 46 * __end__
<> 132:9baf128c2fab 47 * end
<> 132:9baf128c2fab 48 * __HeapLimit
<> 132:9baf128c2fab 49 * __StackLimit
<> 132:9baf128c2fab 50 * __StackTop
<> 132:9baf128c2fab 51 * __stack
<> 132:9baf128c2fab 52 * __Vectors_End
<> 132:9baf128c2fab 53 * __Vectors_Size
<> 132:9baf128c2fab 54 */
<> 132:9baf128c2fab 55 ENTRY(Reset_Handler)
<> 132:9baf128c2fab 56
<> 132:9baf128c2fab 57 SECTIONS
<> 132:9baf128c2fab 58 {
<> 132:9baf128c2fab 59 .text :
<> 132:9baf128c2fab 60 {
<> 132:9baf128c2fab 61 KEEP(*(.vectors))
<> 132:9baf128c2fab 62 __Vectors_End = .;
<> 132:9baf128c2fab 63 __Vectors_Size = __Vectors_End - __Vectors;
<> 132:9baf128c2fab 64 __end__ = .;
<> 132:9baf128c2fab 65
<> 132:9baf128c2fab 66 *(.text*)
<> 132:9baf128c2fab 67
<> 132:9baf128c2fab 68 KEEP(*(.init))
<> 132:9baf128c2fab 69 KEEP(*(.fini))
<> 132:9baf128c2fab 70
<> 132:9baf128c2fab 71 /* .ctors */
<> 132:9baf128c2fab 72 *crtbegin.o(.ctors)
<> 132:9baf128c2fab 73 *crtbegin?.o(.ctors)
<> 132:9baf128c2fab 74 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
<> 132:9baf128c2fab 75 *(SORT(.ctors.*))
<> 132:9baf128c2fab 76 *(.ctors)
<> 132:9baf128c2fab 77
<> 132:9baf128c2fab 78 /* .dtors */
<> 132:9baf128c2fab 79 *crtbegin.o(.dtors)
<> 132:9baf128c2fab 80 *crtbegin?.o(.dtors)
<> 132:9baf128c2fab 81 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
<> 132:9baf128c2fab 82 *(SORT(.dtors.*))
<> 132:9baf128c2fab 83 *(.dtors)
<> 132:9baf128c2fab 84
<> 132:9baf128c2fab 85 *(.rodata*)
<> 132:9baf128c2fab 86
<> 132:9baf128c2fab 87 KEEP(*(.eh_frame*))
<> 132:9baf128c2fab 88 } > FLASH
<> 132:9baf128c2fab 89
<> 132:9baf128c2fab 90 .ARM.extab :
<> 132:9baf128c2fab 91 {
<> 132:9baf128c2fab 92 *(.ARM.extab* .gnu.linkonce.armextab.*)
<> 132:9baf128c2fab 93 } > FLASH
<> 132:9baf128c2fab 94
<> 132:9baf128c2fab 95 __exidx_start = .;
<> 132:9baf128c2fab 96 .ARM.exidx :
<> 132:9baf128c2fab 97 {
<> 132:9baf128c2fab 98 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
<> 132:9baf128c2fab 99 } > FLASH
<> 132:9baf128c2fab 100 __exidx_end = .;
<> 132:9baf128c2fab 101
<> 132:9baf128c2fab 102 /* To copy multiple ROM to RAM sections,
<> 132:9baf128c2fab 103 * uncomment .copy.table section and,
<> 132:9baf128c2fab 104 * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */
<> 132:9baf128c2fab 105 /*
<> 132:9baf128c2fab 106 .copy.table :
<> 132:9baf128c2fab 107 {
<> 132:9baf128c2fab 108 . = ALIGN(4);
<> 132:9baf128c2fab 109 __copy_table_start__ = .;
<> 132:9baf128c2fab 110 LONG (__etext)
<> 132:9baf128c2fab 111 LONG (__data_start__)
<> 132:9baf128c2fab 112 LONG (__data_end__ - __data_start__)
<> 132:9baf128c2fab 113 LONG (__etext2)
<> 132:9baf128c2fab 114 LONG (__data2_start__)
<> 132:9baf128c2fab 115 LONG (__data2_end__ - __data2_start__)
<> 132:9baf128c2fab 116 __copy_table_end__ = .;
<> 132:9baf128c2fab 117 } > FLASH
<> 132:9baf128c2fab 118 */
<> 132:9baf128c2fab 119
<> 132:9baf128c2fab 120 /* To clear multiple BSS sections,
<> 132:9baf128c2fab 121 * uncomment .zero.table section and,
<> 132:9baf128c2fab 122 * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */
<> 132:9baf128c2fab 123 /*
<> 132:9baf128c2fab 124 .zero.table :
<> 132:9baf128c2fab 125 {
<> 132:9baf128c2fab 126 . = ALIGN(4);
<> 132:9baf128c2fab 127 __zero_table_start__ = .;
<> 132:9baf128c2fab 128 LONG (__bss_start__)
<> 132:9baf128c2fab 129 LONG (__bss_end__ - __bss_start__)
<> 132:9baf128c2fab 130 LONG (__bss2_start__)
<> 132:9baf128c2fab 131 LONG (__bss2_end__ - __bss2_start__)
<> 132:9baf128c2fab 132 __zero_table_end__ = .;
<> 132:9baf128c2fab 133 } > FLASH
<> 132:9baf128c2fab 134 */
<> 132:9baf128c2fab 135
<> 132:9baf128c2fab 136 __etext = .;
<> 132:9baf128c2fab 137
<> 132:9baf128c2fab 138 .data : AT (__etext)
<> 132:9baf128c2fab 139 {
<> 132:9baf128c2fab 140 __data_start__ = .;
<> 132:9baf128c2fab 141 PROVIDE( __start_vector_table__ = .);
<> 132:9baf128c2fab 142 . += __vector_size;
<> 132:9baf128c2fab 143 PROVIDE( __end_vector_table__ = .);
<> 132:9baf128c2fab 144 *(vtable)
<> 132:9baf128c2fab 145 *(.data*)
<> 132:9baf128c2fab 146 . = ALIGN (4);
<> 132:9baf128c2fab 147 *(.ram)
<> 132:9baf128c2fab 148
<> 132:9baf128c2fab 149 . = ALIGN(4);
<> 132:9baf128c2fab 150 /* preinit data */
<> 132:9baf128c2fab 151 PROVIDE_HIDDEN (__preinit_array_start = .);
<> 132:9baf128c2fab 152 KEEP(*(.preinit_array))
<> 132:9baf128c2fab 153 PROVIDE_HIDDEN (__preinit_array_end = .);
<> 132:9baf128c2fab 154
<> 132:9baf128c2fab 155 . = ALIGN(4);
<> 132:9baf128c2fab 156 /* init data */
<> 132:9baf128c2fab 157 PROVIDE_HIDDEN (__init_array_start = .);
<> 132:9baf128c2fab 158 KEEP(*(SORT(.init_array.*)))
<> 132:9baf128c2fab 159 KEEP(*(.init_array))
<> 132:9baf128c2fab 160 PROVIDE_HIDDEN (__init_array_end = .);
<> 132:9baf128c2fab 161
<> 132:9baf128c2fab 162 . = ALIGN(4);
<> 132:9baf128c2fab 163 /* finit data */
<> 132:9baf128c2fab 164 PROVIDE_HIDDEN (__fini_array_start = .);
<> 132:9baf128c2fab 165 KEEP(*(SORT(.fini_array.*)))
<> 132:9baf128c2fab 166 KEEP(*(.fini_array))
<> 132:9baf128c2fab 167 PROVIDE_HIDDEN (__fini_array_end = .);
<> 132:9baf128c2fab 168
<> 132:9baf128c2fab 169 KEEP(*(.jcr*))
<> 132:9baf128c2fab 170 . = ALIGN(4);
<> 132:9baf128c2fab 171 /* All data end */
<> 132:9baf128c2fab 172 __data_end__ = .;
<> 132:9baf128c2fab 173
<> 132:9baf128c2fab 174 } > RAM
<> 132:9baf128c2fab 175
<> 132:9baf128c2fab 176 .bss :
<> 132:9baf128c2fab 177 {
<> 132:9baf128c2fab 178 . = ALIGN(4);
<> 132:9baf128c2fab 179 __bss_start__ = .;
<> 132:9baf128c2fab 180 *(.bss*)
<> 132:9baf128c2fab 181 *(COMMON)
<> 132:9baf128c2fab 182 . = ALIGN(4);
<> 132:9baf128c2fab 183 __bss_end__ = .;
<> 132:9baf128c2fab 184 } > RAM
<> 132:9baf128c2fab 185
<> 132:9baf128c2fab 186 .heap (COPY):
<> 132:9baf128c2fab 187 {
<> 132:9baf128c2fab 188 __HeapBase = .;
<> 132:9baf128c2fab 189 __end__ = .;
<> 132:9baf128c2fab 190 end = __end__;
<> 132:9baf128c2fab 191 _end = __end__;
<> 132:9baf128c2fab 192 KEEP(*(.heap*))
<> 132:9baf128c2fab 193 __HeapLimit = .;
<> 132:9baf128c2fab 194 } > RAM
<> 132:9baf128c2fab 195
<> 132:9baf128c2fab 196 /* .stack_dummy section doesn't contains any symbols. It is only
<> 132:9baf128c2fab 197 * used for linker to calculate size of stack sections, and assign
<> 132:9baf128c2fab 198 * values to stack symbols later */
<> 132:9baf128c2fab 199 .stack_dummy (COPY):
<> 132:9baf128c2fab 200 {
<> 132:9baf128c2fab 201 KEEP(*(.stack*))
<> 132:9baf128c2fab 202 } > RAM
<> 132:9baf128c2fab 203
<> 132:9baf128c2fab 204 /* Set stack top to end of RAM, and stack limit move down by
<> 132:9baf128c2fab 205 * size of stack_dummy section */
<> 132:9baf128c2fab 206 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
<> 132:9baf128c2fab 207 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
<> 132:9baf128c2fab 208 PROVIDE(__stack = __StackTop);
<> 132:9baf128c2fab 209
<> 132:9baf128c2fab 210 /* Check if data + heap + stack exceeds RAM limit */
<> 132:9baf128c2fab 211 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
<> 132:9baf128c2fab 212
<> 132:9baf128c2fab 213 /* Check if FLASH usage exceeds FLASH size */
<> 132:9baf128c2fab 214 ASSERT( LENGTH(FLASH) >= (__etext + SIZEOF(.data)), "FLASH memory overflowed !")
<> 132:9baf128c2fab 215 }