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cmsis/BUILD/mbed/TARGET_EFM32GG11_STK3701/TOOLCHAIN_GCC_ARM/efm32gg11.ld@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /* Linker script for Silicon Labs EFM32GG11 devices */
AnnaBridge 189:f392fc9709a3 2 /* */
AnnaBridge 189:f392fc9709a3 3 /* This file is subject to the license terms as defined in ARM's */
AnnaBridge 189:f392fc9709a3 4 /* CMSIS END USER LICENSE AGREEMENT.pdf, governing the use of */
AnnaBridge 189:f392fc9709a3 5 /* Example Code. */
AnnaBridge 189:f392fc9709a3 6 /* */
AnnaBridge 189:f392fc9709a3 7 /* Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com */
AnnaBridge 189:f392fc9709a3 8 /* */
AnnaBridge 189:f392fc9709a3 9 /* Version 4.3.0 */
AnnaBridge 189:f392fc9709a3 10 /* */
AnnaBridge 189:f392fc9709a3 11
AnnaBridge 189:f392fc9709a3 12 #if !defined(MBED_APP_START)
AnnaBridge 189:f392fc9709a3 13 #define MBED_APP_START 0x00000000
AnnaBridge 189:f392fc9709a3 14 #endif
AnnaBridge 189:f392fc9709a3 15
AnnaBridge 189:f392fc9709a3 16 #if !defined(MBED_APP_SIZE)
AnnaBridge 189:f392fc9709a3 17 #define MBED_APP_SIZE 0x200000
AnnaBridge 189:f392fc9709a3 18 #endif
AnnaBridge 189:f392fc9709a3 19
AnnaBridge 189:f392fc9709a3 20 MEMORY
AnnaBridge 189:f392fc9709a3 21 {
AnnaBridge 189:f392fc9709a3 22 FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
AnnaBridge 189:f392fc9709a3 23 RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 524288
AnnaBridge 189:f392fc9709a3 24 }
AnnaBridge 189:f392fc9709a3 25
AnnaBridge 189:f392fc9709a3 26 /* MBED: mbed needs to be able to dynamically set the interrupt vector table.
AnnaBridge 189:f392fc9709a3 27 * We make room for the table at the very beginning of RAM, i.e. at
AnnaBridge 189:f392fc9709a3 28 * 0x20000000. We need (16+70 * sizeof(uint32_t) = 344 bytes for EFM32GG11 */
AnnaBridge 189:f392fc9709a3 29 __vector_size = 0x158;
AnnaBridge 189:f392fc9709a3 30
AnnaBridge 189:f392fc9709a3 31 /* Linker script to place sections and symbol values. Should be used together
AnnaBridge 189:f392fc9709a3 32 * with other linker script that defines memory regions FLASH and RAM.
AnnaBridge 189:f392fc9709a3 33 * It references following symbols, which must be defined in code:
AnnaBridge 189:f392fc9709a3 34 * Reset_Handler : Entry of reset handler
AnnaBridge 189:f392fc9709a3 35 *
AnnaBridge 189:f392fc9709a3 36 * It defines following symbols, which code can use without definition:
AnnaBridge 189:f392fc9709a3 37 * __exidx_start
AnnaBridge 189:f392fc9709a3 38 * __exidx_end
AnnaBridge 189:f392fc9709a3 39 * __copy_table_start__
AnnaBridge 189:f392fc9709a3 40 * __copy_table_end__
AnnaBridge 189:f392fc9709a3 41 * __zero_table_start__
AnnaBridge 189:f392fc9709a3 42 * __zero_table_end__
AnnaBridge 189:f392fc9709a3 43 * __etext
AnnaBridge 189:f392fc9709a3 44 * __data_start__
AnnaBridge 189:f392fc9709a3 45 * __preinit_array_start
AnnaBridge 189:f392fc9709a3 46 * __preinit_array_end
AnnaBridge 189:f392fc9709a3 47 * __init_array_start
AnnaBridge 189:f392fc9709a3 48 * __init_array_end
AnnaBridge 189:f392fc9709a3 49 * __fini_array_start
AnnaBridge 189:f392fc9709a3 50 * __fini_array_end
AnnaBridge 189:f392fc9709a3 51 * __data_end__
AnnaBridge 189:f392fc9709a3 52 * __bss_start__
AnnaBridge 189:f392fc9709a3 53 * __bss_end__
AnnaBridge 189:f392fc9709a3 54 * __end__
AnnaBridge 189:f392fc9709a3 55 * end
AnnaBridge 189:f392fc9709a3 56 * __HeapLimit
AnnaBridge 189:f392fc9709a3 57 * __StackLimit
AnnaBridge 189:f392fc9709a3 58 * __StackTop
AnnaBridge 189:f392fc9709a3 59 * __stack
AnnaBridge 189:f392fc9709a3 60 * __Vectors_End
AnnaBridge 189:f392fc9709a3 61 * __Vectors_Size
AnnaBridge 189:f392fc9709a3 62 */
AnnaBridge 189:f392fc9709a3 63 ENTRY(Reset_Handler)
AnnaBridge 189:f392fc9709a3 64
AnnaBridge 189:f392fc9709a3 65 SECTIONS
AnnaBridge 189:f392fc9709a3 66 {
AnnaBridge 189:f392fc9709a3 67 .text :
AnnaBridge 189:f392fc9709a3 68 {
AnnaBridge 189:f392fc9709a3 69 KEEP(*(.vectors))
AnnaBridge 189:f392fc9709a3 70 __Vectors_End = .;
AnnaBridge 189:f392fc9709a3 71 __Vectors_Size = __Vectors_End - __Vectors;
AnnaBridge 189:f392fc9709a3 72 __end__ = .;
AnnaBridge 189:f392fc9709a3 73
AnnaBridge 189:f392fc9709a3 74 *(.text*)
AnnaBridge 189:f392fc9709a3 75
AnnaBridge 189:f392fc9709a3 76 KEEP(*(.init))
AnnaBridge 189:f392fc9709a3 77 KEEP(*(.fini))
AnnaBridge 189:f392fc9709a3 78
AnnaBridge 189:f392fc9709a3 79 /* .ctors */
AnnaBridge 189:f392fc9709a3 80 *crtbegin.o(.ctors)
AnnaBridge 189:f392fc9709a3 81 *crtbegin?.o(.ctors)
AnnaBridge 189:f392fc9709a3 82 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)
AnnaBridge 189:f392fc9709a3 83 *(SORT(.ctors.*))
AnnaBridge 189:f392fc9709a3 84 *(.ctors)
AnnaBridge 189:f392fc9709a3 85
AnnaBridge 189:f392fc9709a3 86 /* .dtors */
AnnaBridge 189:f392fc9709a3 87 *crtbegin.o(.dtors)
AnnaBridge 189:f392fc9709a3 88 *crtbegin?.o(.dtors)
AnnaBridge 189:f392fc9709a3 89 *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)
AnnaBridge 189:f392fc9709a3 90 *(SORT(.dtors.*))
AnnaBridge 189:f392fc9709a3 91 *(.dtors)
AnnaBridge 189:f392fc9709a3 92
AnnaBridge 189:f392fc9709a3 93 *(.rodata*)
AnnaBridge 189:f392fc9709a3 94
AnnaBridge 189:f392fc9709a3 95 KEEP(*(.eh_frame*))
AnnaBridge 189:f392fc9709a3 96 } > FLASH
AnnaBridge 189:f392fc9709a3 97
AnnaBridge 189:f392fc9709a3 98 .ARM.extab :
AnnaBridge 189:f392fc9709a3 99 {
AnnaBridge 189:f392fc9709a3 100 *(.ARM.extab* .gnu.linkonce.armextab.*)
AnnaBridge 189:f392fc9709a3 101 } > FLASH
AnnaBridge 189:f392fc9709a3 102
AnnaBridge 189:f392fc9709a3 103 __exidx_start = .;
AnnaBridge 189:f392fc9709a3 104 .ARM.exidx :
AnnaBridge 189:f392fc9709a3 105 {
AnnaBridge 189:f392fc9709a3 106 *(.ARM.exidx* .gnu.linkonce.armexidx.*)
AnnaBridge 189:f392fc9709a3 107 } > FLASH
AnnaBridge 189:f392fc9709a3 108 __exidx_end = .;
AnnaBridge 189:f392fc9709a3 109
AnnaBridge 189:f392fc9709a3 110 /* To copy multiple ROM to RAM sections,
AnnaBridge 189:f392fc9709a3 111 * uncomment .copy.table section and,
AnnaBridge 189:f392fc9709a3 112 * define __STARTUP_COPY_MULTIPLE in startup_ARMCMx.S */
AnnaBridge 189:f392fc9709a3 113 /*
AnnaBridge 189:f392fc9709a3 114 .copy.table :
AnnaBridge 189:f392fc9709a3 115 {
AnnaBridge 189:f392fc9709a3 116 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 117 __copy_table_start__ = .;
AnnaBridge 189:f392fc9709a3 118 LONG (__etext)
AnnaBridge 189:f392fc9709a3 119 LONG (__data_start__)
AnnaBridge 189:f392fc9709a3 120 LONG (__data_end__ - __data_start__)
AnnaBridge 189:f392fc9709a3 121 LONG (__etext2)
AnnaBridge 189:f392fc9709a3 122 LONG (__data2_start__)
AnnaBridge 189:f392fc9709a3 123 LONG (__data2_end__ - __data2_start__)
AnnaBridge 189:f392fc9709a3 124 __copy_table_end__ = .;
AnnaBridge 189:f392fc9709a3 125 } > FLASH
AnnaBridge 189:f392fc9709a3 126 */
AnnaBridge 189:f392fc9709a3 127
AnnaBridge 189:f392fc9709a3 128 /* To clear multiple BSS sections,
AnnaBridge 189:f392fc9709a3 129 * uncomment .zero.table section and,
AnnaBridge 189:f392fc9709a3 130 * define __STARTUP_CLEAR_BSS_MULTIPLE in startup_ARMCMx.S */
AnnaBridge 189:f392fc9709a3 131 /*
AnnaBridge 189:f392fc9709a3 132 .zero.table :
AnnaBridge 189:f392fc9709a3 133 {
AnnaBridge 189:f392fc9709a3 134 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 135 __zero_table_start__ = .;
AnnaBridge 189:f392fc9709a3 136 LONG (__bss_start__)
AnnaBridge 189:f392fc9709a3 137 LONG (__bss_end__ - __bss_start__)
AnnaBridge 189:f392fc9709a3 138 LONG (__bss2_start__)
AnnaBridge 189:f392fc9709a3 139 LONG (__bss2_end__ - __bss2_start__)
AnnaBridge 189:f392fc9709a3 140 __zero_table_end__ = .;
AnnaBridge 189:f392fc9709a3 141 } > FLASH
AnnaBridge 189:f392fc9709a3 142 */
AnnaBridge 189:f392fc9709a3 143
AnnaBridge 189:f392fc9709a3 144 __etext = .;
AnnaBridge 189:f392fc9709a3 145
AnnaBridge 189:f392fc9709a3 146 .data : AT (__etext)
AnnaBridge 189:f392fc9709a3 147 {
AnnaBridge 189:f392fc9709a3 148 __data_start__ = .;
AnnaBridge 189:f392fc9709a3 149 PROVIDE( __start_vector_table__ = .);
AnnaBridge 189:f392fc9709a3 150 . += __vector_size;
AnnaBridge 189:f392fc9709a3 151 PROVIDE( __end_vector_table__ = .);
AnnaBridge 189:f392fc9709a3 152 *(vtable)
AnnaBridge 189:f392fc9709a3 153 *(.data*)
AnnaBridge 189:f392fc9709a3 154 . = ALIGN (8);
AnnaBridge 189:f392fc9709a3 155 *(.ram)
AnnaBridge 189:f392fc9709a3 156
AnnaBridge 189:f392fc9709a3 157 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 158 /* preinit data */
AnnaBridge 189:f392fc9709a3 159 PROVIDE_HIDDEN (__preinit_array_start = .);
AnnaBridge 189:f392fc9709a3 160 KEEP(*(.preinit_array))
AnnaBridge 189:f392fc9709a3 161 PROVIDE_HIDDEN (__preinit_array_end = .);
AnnaBridge 189:f392fc9709a3 162
AnnaBridge 189:f392fc9709a3 163 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 164 /* init data */
AnnaBridge 189:f392fc9709a3 165 PROVIDE_HIDDEN (__init_array_start = .);
AnnaBridge 189:f392fc9709a3 166 KEEP(*(SORT(.init_array.*)))
AnnaBridge 189:f392fc9709a3 167 KEEP(*(.init_array))
AnnaBridge 189:f392fc9709a3 168 PROVIDE_HIDDEN (__init_array_end = .);
AnnaBridge 189:f392fc9709a3 169
AnnaBridge 189:f392fc9709a3 170 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 171 /* finit data */
AnnaBridge 189:f392fc9709a3 172 PROVIDE_HIDDEN (__fini_array_start = .);
AnnaBridge 189:f392fc9709a3 173 KEEP(*(SORT(.fini_array.*)))
AnnaBridge 189:f392fc9709a3 174 KEEP(*(.fini_array))
AnnaBridge 189:f392fc9709a3 175 PROVIDE_HIDDEN (__fini_array_end = .);
AnnaBridge 189:f392fc9709a3 176
AnnaBridge 189:f392fc9709a3 177 KEEP(*(.jcr*))
AnnaBridge 189:f392fc9709a3 178 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 179 /* All data end */
AnnaBridge 189:f392fc9709a3 180 __data_end__ = .;
AnnaBridge 189:f392fc9709a3 181
AnnaBridge 189:f392fc9709a3 182 } > RAM
AnnaBridge 189:f392fc9709a3 183
AnnaBridge 189:f392fc9709a3 184 .bss :
AnnaBridge 189:f392fc9709a3 185 {
AnnaBridge 189:f392fc9709a3 186 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 187 __bss_start__ = .;
AnnaBridge 189:f392fc9709a3 188 *(.bss*)
AnnaBridge 189:f392fc9709a3 189 *(COMMON)
AnnaBridge 189:f392fc9709a3 190 . = ALIGN(8);
AnnaBridge 189:f392fc9709a3 191 __bss_end__ = .;
AnnaBridge 189:f392fc9709a3 192 } > RAM
AnnaBridge 189:f392fc9709a3 193
AnnaBridge 189:f392fc9709a3 194 .heap (COPY):
AnnaBridge 189:f392fc9709a3 195 {
AnnaBridge 189:f392fc9709a3 196 __HeapBase = .;
AnnaBridge 189:f392fc9709a3 197 __end__ = .;
AnnaBridge 189:f392fc9709a3 198 end = __end__;
AnnaBridge 189:f392fc9709a3 199 _end = __end__;
AnnaBridge 189:f392fc9709a3 200 KEEP(*(.heap*))
AnnaBridge 189:f392fc9709a3 201 __HeapLimit = .;
AnnaBridge 189:f392fc9709a3 202 } > RAM
AnnaBridge 189:f392fc9709a3 203
AnnaBridge 189:f392fc9709a3 204 /* .stack_dummy section doesn't contains any symbols. It is only
AnnaBridge 189:f392fc9709a3 205 * used for linker to calculate size of stack sections, and assign
AnnaBridge 189:f392fc9709a3 206 * values to stack symbols later */
AnnaBridge 189:f392fc9709a3 207 .stack_dummy (COPY):
AnnaBridge 189:f392fc9709a3 208 {
AnnaBridge 189:f392fc9709a3 209 KEEP(*(.stack*))
AnnaBridge 189:f392fc9709a3 210 } > RAM
AnnaBridge 189:f392fc9709a3 211
AnnaBridge 189:f392fc9709a3 212 /* Set stack top to end of RAM, and stack limit move down by
AnnaBridge 189:f392fc9709a3 213 * size of stack_dummy section */
AnnaBridge 189:f392fc9709a3 214 __StackTop = ORIGIN(RAM) + LENGTH(RAM);
AnnaBridge 189:f392fc9709a3 215 __StackLimit = __StackTop - SIZEOF(.stack_dummy);
AnnaBridge 189:f392fc9709a3 216 PROVIDE(__stack = __StackTop);
AnnaBridge 189:f392fc9709a3 217
AnnaBridge 189:f392fc9709a3 218 /* Check if data + heap + stack exceeds RAM limit */
AnnaBridge 189:f392fc9709a3 219 ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack")
AnnaBridge 189:f392fc9709a3 220
AnnaBridge 189:f392fc9709a3 221 /* Check if FLASH usage exceeds FLASH size */
AnnaBridge 189:f392fc9709a3 222 ASSERT(ORIGIN(FLASH) + LENGTH(FLASH) >= (__etext + SIZEOF(.data)), "FLASH memory overflowed !")
AnnaBridge 189:f392fc9709a3 223 }