1/* 2** ################################################################### 3** Processor: MKM14Z64ACHH5 4** Compiler: GNU C Compiler 5** Reference manual: MKMxxZxxACxx5RM, Rev. 2, 10/2017 6** Version: rev. 1.0, 2014-07-22 7** Build: b210812 8** 9** Abstract: 10** Linker file for the GNU C Compiler 11** 12** Copyright 2016 Freescale Semiconductor, Inc. 13** Copyright 2016-2021 NXP 14** All rights reserved. 15** 16** SPDX-License-Identifier: BSD-3-Clause 17** 18** http: www.nxp.com 19** mail: support@nxp.com 20** 21** ################################################################### 22*/ 23 24/* Entry Point */ 25ENTRY(Reset_Handler) 26 27HEAP_SIZE = DEFINED(__heap_size__) ? __heap_size__ : 0x0400; 28STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x0400; 29 30/* Specify the memory areas */ 31MEMORY 32{ 33 m_interrupts (RX) : ORIGIN = 0x00000000, LENGTH = 0x00000200 34 m_flash_config (RX) : ORIGIN = 0x00000400, LENGTH = 0x00000010 35 m_text (RX) : ORIGIN = 0x00000410, LENGTH = 0x0000FBF0 36 m_data (RW) : ORIGIN = 0x1FFFF000, LENGTH = 0x00004000 37} 38 39/* Define output sections */ 40SECTIONS 41{ 42 /* The startup code goes first into internal flash */ 43 .interrupts : 44 { 45 . = ALIGN(4); 46 KEEP(*(.isr_vector)) /* Startup code */ 47 . = ALIGN(4); 48 } > m_interrupts 49 50 .flash_config : 51 { 52 . = ALIGN(4); 53 KEEP(*(.FlashConfig)) /* Flash Configuration Field (FCF) */ 54 . = ALIGN(4); 55 } > m_flash_config 56 57 /* The program code and other data goes into internal flash */ 58 .text : 59 { 60 . = ALIGN(4); 61 *(.text) /* .text sections (code) */ 62 *(.text*) /* .text* sections (code) */ 63 *(.rodata) /* .rodata sections (constants, strings, etc.) */ 64 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ 65 *(.glue_7) /* glue arm to thumb code */ 66 *(.glue_7t) /* glue thumb to arm code */ 67 *(.eh_frame) 68 KEEP (*(.init)) 69 KEEP (*(.fini)) 70 . = ALIGN(4); 71 } > m_text 72 73 .ARM.extab : 74 { 75 *(.ARM.extab* .gnu.linkonce.armextab.*) 76 } > m_text 77 78 .ARM : 79 { 80 __exidx_start = .; 81 *(.ARM.exidx*) 82 __exidx_end = .; 83 } > m_text 84 85 .ctors : 86 { 87 __CTOR_LIST__ = .; 88 /* gcc uses crtbegin.o to find the start of 89 the constructors, so we make sure it is 90 first. Because this is a wildcard, it 91 doesn't matter if the user does not 92 actually link against crtbegin.o; the 93 linker won't look for a file to match a 94 wildcard. The wildcard also means that it 95 doesn't matter which directory crtbegin.o 96 is in. */ 97 KEEP (*crtbegin.o(.ctors)) 98 KEEP (*crtbegin?.o(.ctors)) 99 /* We don't want to include the .ctor section from 100 from the crtend.o file until after the sorted ctors. 101 The .ctor section from the crtend file contains the 102 end of ctors marker and it must be last */ 103 KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors)) 104 KEEP (*(SORT(.ctors.*))) 105 KEEP (*(.ctors)) 106 __CTOR_END__ = .; 107 } > m_text 108 109 .dtors : 110 { 111 __DTOR_LIST__ = .; 112 KEEP (*crtbegin.o(.dtors)) 113 KEEP (*crtbegin?.o(.dtors)) 114 KEEP (*(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors)) 115 KEEP (*(SORT(.dtors.*))) 116 KEEP (*(.dtors)) 117 __DTOR_END__ = .; 118 } > m_text 119 120 .preinit_array : 121 { 122 PROVIDE_HIDDEN (__preinit_array_start = .); 123 KEEP (*(.preinit_array*)) 124 PROVIDE_HIDDEN (__preinit_array_end = .); 125 } > m_text 126 127 .init_array : 128 { 129 PROVIDE_HIDDEN (__init_array_start = .); 130 KEEP (*(SORT(.init_array.*))) 131 KEEP (*(.init_array*)) 132 PROVIDE_HIDDEN (__init_array_end = .); 133 } > m_text 134 135 .fini_array : 136 { 137 PROVIDE_HIDDEN (__fini_array_start = .); 138 KEEP (*(SORT(.fini_array.*))) 139 KEEP (*(.fini_array*)) 140 PROVIDE_HIDDEN (__fini_array_end = .); 141 } > m_text 142 143 __etext = .; /* define a global symbol at end of code */ 144 __DATA_ROM = .; /* Symbol is used by startup for data initialization */ 145 146 /* reserve MTB memory at the beginning of m_data */ 147 .mtb : /* MTB buffer address as defined by the hardware */ 148 { 149 . = ALIGN(8); 150 _mtb_start = .; 151 KEEP(*(.mtb_buf)) /* need to KEEP Micro Trace Buffer as not referenced by application */ 152 . = ALIGN(8); 153 _mtb_end = .; 154 } > m_data 155 156 .data : AT(__DATA_ROM) 157 { 158 . = ALIGN(4); 159 __DATA_RAM = .; 160 __data_start__ = .; /* create a global symbol at data start */ 161 *(.data) /* .data sections */ 162 *(.data*) /* .data* sections */ 163 *(NonCacheable.init) /* NonCacheable init section */ 164 *(NonCacheable) /* NonCacheable section */ 165 *(CodeQuickAccess) /* quick access code section */ 166 *(DataQuickAccess) /* quick access data section */ 167 KEEP(*(.jcr*)) 168 . = ALIGN(4); 169 __data_end__ = .; /* define a global symbol at data end */ 170 } > m_data 171 172 __DATA_END = __DATA_ROM + (__data_end__ - __data_start__); 173 text_end = ORIGIN(m_text) + LENGTH(m_text); 174 ASSERT(__DATA_END <= text_end, "region m_text overflowed with text and data") 175 176 /* Uninitialized data section */ 177 .bss : 178 { 179 /* This is used by the startup in order to initialize the .bss section */ 180 . = ALIGN(4); 181 __START_BSS = .; 182 __bss_start__ = .; 183 *(.bss) 184 *(.bss*) 185 *(COMMON) 186 . = ALIGN(4); 187 __bss_end__ = .; 188 __END_BSS = .; 189 } > m_data 190 191 .heap : 192 { 193 . = ALIGN(8); 194 __end__ = .; 195 PROVIDE(end = .); 196 __HeapBase = .; 197 . += HEAP_SIZE; 198 __HeapLimit = .; 199 __heap_limit = .; /* Add for _sbrk */ 200 } > m_data 201 202 .stack : 203 { 204 . = ALIGN(8); 205 . += STACK_SIZE; 206 } > m_data 207 208 /* Initializes stack on the end of block */ 209 __StackTop = ORIGIN(m_data) + LENGTH(m_data); 210 __StackLimit = __StackTop - STACK_SIZE; 211 PROVIDE(__stack = __StackTop); 212 213 .ARM.attributes 0 : { *(.ARM.attributes) } 214 215 ASSERT(__StackLimit >= __HeapLimit, "region m_data overflowed with stack and heap") 216} 217 218