/ STM32F407ZGTx_FLASH.ld
STM32F407ZGTx_FLASH.ld
1 /* 2 ****************************************************************************** 3 ** 4 5 ** File : LinkerScript.ld 6 ** 7 ** Author : STM32CubeMX 8 ** 9 ** Abstract : Linker script for STM32F407ZGTx series 10 ** 1024Kbytes FLASH and 192Kbytes RAM 11 ** 12 ** Set heap size, stack size and stack location according 13 ** to application requirements. 14 ** 15 ** Set memory bank area and size if external memory is used. 16 ** 17 ** Target : STMicroelectronics STM32 18 ** 19 ** Distribution: The file is distributed “as is,” without any warranty 20 ** of any kind. 21 ** 22 ***************************************************************************** 23 ** @attention 24 ** 25 ** <h2><center>© COPYRIGHT(c) 2019 STMicroelectronics</center></h2> 26 ** 27 ** Redistribution and use in source and binary forms, with or without modification, 28 ** are permitted provided that the following conditions are met: 29 ** 1. Redistributions of source code must retain the above copyright notice, 30 ** this list of conditions and the following disclaimer. 31 ** 2. Redistributions in binary form must reproduce the above copyright notice, 32 ** this list of conditions and the following disclaimer in the documentation 33 ** and/or other materials provided with the distribution. 34 ** 3. Neither the name of STMicroelectronics nor the names of its contributors 35 ** may be used to endorse or promote products derived from this software 36 ** without specific prior written permission. 37 ** 38 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 39 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 41 ** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 42 ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 43 ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 44 ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 45 ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 47 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 48 ** 49 ***************************************************************************** 50 */ 51 52 /* Entry Point */ 53 ENTRY(Reset_Handler) 54 55 /* Highest address of the user mode stack */ 56 _estack = ORIGIN(RAM) + LENGTH(RAM); /* end of RAM */ 57 /* Generate a link error if heap and stack don't fit into RAM */ 58 _Min_Heap_Size = 0x200; /* required amount of heap */ 59 _Min_Stack_Size = 0x400; /* required amount of stack */ 60 61 /* Specify the memory areas */ 62 MEMORY 63 { 64 RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K 65 CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K 66 FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 1024K 67 } 68 69 /* Define output sections */ 70 SECTIONS 71 { 72 /* The startup code goes first into FLASH */ 73 .isr_vector : 74 { 75 . = ALIGN(4); 76 KEEP(*(.isr_vector)) /* Startup code */ 77 . = ALIGN(4); 78 } >FLASH 79 80 /* The program code and other data goes into FLASH */ 81 .text : 82 { 83 . = ALIGN(4); 84 *(.text) /* .text sections (code) */ 85 *(.text*) /* .text* sections (code) */ 86 *(.glue_7) /* glue arm to thumb code */ 87 *(.glue_7t) /* glue thumb to arm code */ 88 *(.eh_frame) 89 90 KEEP (*(.init)) 91 KEEP (*(.fini)) 92 93 . = ALIGN(4); 94 _etext = .; /* define a global symbols at end of code */ 95 } >FLASH 96 97 /* Constant data goes into FLASH */ 98 .rodata : 99 { 100 . = ALIGN(4); 101 *(.rodata) /* .rodata sections (constants, strings, etc.) */ 102 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ 103 . = ALIGN(4); 104 } >FLASH 105 106 .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH 107 .ARM : { 108 __exidx_start = .; 109 *(.ARM.exidx*) 110 __exidx_end = .; 111 } >FLASH 112 113 .preinit_array : 114 { 115 PROVIDE_HIDDEN (__preinit_array_start = .); 116 KEEP (*(.preinit_array*)) 117 PROVIDE_HIDDEN (__preinit_array_end = .); 118 } >FLASH 119 .init_array : 120 { 121 PROVIDE_HIDDEN (__init_array_start = .); 122 KEEP (*(SORT(.init_array.*))) 123 KEEP (*(.init_array*)) 124 PROVIDE_HIDDEN (__init_array_end = .); 125 } >FLASH 126 .fini_array : 127 { 128 PROVIDE_HIDDEN (__fini_array_start = .); 129 KEEP (*(SORT(.fini_array.*))) 130 KEEP (*(.fini_array*)) 131 PROVIDE_HIDDEN (__fini_array_end = .); 132 } >FLASH 133 134 /* used by the startup to initialize data */ 135 _sidata = LOADADDR(.data); 136 137 /* Initialized data sections goes into RAM, load LMA copy after code */ 138 .data : 139 { 140 . = ALIGN(4); 141 _sdata = .; /* create a global symbol at data start */ 142 *(.data) /* .data sections */ 143 *(.data*) /* .data* sections */ 144 145 . = ALIGN(4); 146 _edata = .; /* define a global symbol at data end */ 147 } >RAM AT> FLASH 148 149 _siccmram = LOADADDR(.ccmram); 150 151 /* CCM-RAM section 152 * 153 * IMPORTANT NOTE! 154 * If initialized variables will be placed in this section, 155 * the startup code needs to be modified to copy the init-values. 156 */ 157 .ccmram : 158 { 159 . = ALIGN(4); 160 _sccmram = .; /* create a global symbol at ccmram start */ 161 *(.ccmram) 162 *(.ccmram*) 163 164 . = ALIGN(4); 165 _eccmram = .; /* create a global symbol at ccmram end */ 166 } >CCMRAM AT> FLASH 167 168 169 /* Uninitialized data section */ 170 . = ALIGN(4); 171 .bss : 172 { 173 /* This is used by the startup in order to initialize the .bss secion */ 174 _sbss = .; /* define a global symbol at bss start */ 175 __bss_start__ = _sbss; 176 *(.bss) 177 *(.bss*) 178 *(COMMON) 179 180 . = ALIGN(4); 181 _ebss = .; /* define a global symbol at bss end */ 182 __bss_end__ = _ebss; 183 } >RAM 184 185 /* User_heap_stack section, used to check that there is enough RAM left */ 186 ._user_heap_stack : 187 { 188 . = ALIGN(8); 189 PROVIDE ( end = . ); 190 PROVIDE ( _end = . ); 191 . = . + _Min_Heap_Size; 192 . = . + _Min_Stack_Size; 193 . = ALIGN(8); 194 } >RAM 195 196 197 198 /* Remove information from the standard libraries */ 199 /DISCARD/ : 200 { 201 libc.a ( * ) 202 libm.a ( * ) 203 libgcc.a ( * ) 204 } 205 206 .ARM.attributes 0 : { *(.ARM.attributes) } 207 } 208 209