int/com/ld/stm32f767xi.ld

   1 /*
   2 *****************************************************************************
   3 **
   4
   5 **  File        : LinkerScript.ld
   6 **
   7 **  Abstract    : Linker script for STM32F746ZGTx Device with
   8 **                1024KByte FLASH, 320KByte RAM
   9 **
  10 **                Set heap size, stack size and stack location according
  11 **                to application requirements.
  12 **
  13 **                Set memory bank area and size if external memory is used.
  14 **
  15 **  Target      : STMicroelectronics STM32
  16 **
  17 **
  18 **  Distribution: The file is distributed as is, without any warranty
  19 **                of any kind.
  20 **
  21 *****************************************************************************
  22 ** @attention
  23 **
  24 ** <h2><center>&copy; COPYRIGHT(c) 2014 Ac6</center></h2>
  25 **
  26 ** Redistribution and use in source and binary forms, with or without modification,
  27 ** are permitted provided that the following conditions are met:
  28 **   1. Redistributions of source code must retain the above copyright notice,
  29 **      this list of conditions and the following disclaimer.
  30 **   2. Redistributions in binary form must reproduce the above copyright notice,
  31 **      this list of conditions and the following disclaimer in the documentation
  32 **      and/or other materials provided with the distribution.
  33 **   3. Neither the name of Ac6 nor the names of its contributors
  34 **      may be used to endorse or promote products derived from this software
  35 **      without specific prior written permission.
  36 **
  37 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  38 ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  39 ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  40 ** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  41 ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  42 ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  43 ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  44 ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  45 ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  46 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  47 **
  48 *****************************************************************************
  49 */
  50
  51 /* Entry Point */
  52 ENTRY(Reset_Handler)
  53
  54 /* Highest address of the user mode stack */
  55 _estack = 0x20050000;    /* end of RAM */
  56 /* Generate a link error if heap and stack don't fit into RAM */
  57 _Min_Heap_Size = 0x400;      /* required amount of heap  */
  58 _Min_Stack_Size = 0x200; /* required amount of stack */
  59
  60 /* Specify the memory areas */
  61 MEMORY
  62 {
  63 FLASH (rx)      : ORIGIN = 0x00200000, LENGTH = 2048K
  64 RAM (xrw)      : ORIGIN =  0x20000000, LENGTH = 512K
  65 }
  66
  67 /* Define output sections */
  68 SECTIONS
  69 {
  70   /* The startup code goes first into FLASH */
  71   .isr_vector :
  72   {
  73     . = ALIGN(4);
  74     KEEP(*(.isr_vector)) /* Startup code */
  75     . = ALIGN(4);
  76   } >FLASH
  77
  78   /* The program code and other data goes into FLASH */
  79   .text :
  80   {
  81     . = ALIGN(4);
  82     *(.text)           /* .text sections (code) */
  83     *(.text*)          /* .text* sections (code) */
  84     *(.glue_7)         /* glue arm to thumb code */
  85     *(.glue_7t)        /* glue thumb to arm code */
  86     *(.eh_frame)
  87
  88     KEEP (*(.init))
  89     KEEP (*(.fini))
  90
  91     . = ALIGN(4);
  92     _etext = .;        /* define a global symbols at end of code */
  93   } >FLASH
  94
  95   /* Constant data goes into FLASH */
  96   .rodata :
  97   {
  98     . = ALIGN(4);
  99     *(.rodata)         /* .rodata sections (constants, strings, etc.) */
 100     *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
 101     . = ALIGN(4);
 102   } >FLASH
 103
 104   .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
 105   .ARM : {
 106     __exidx_start = .;
 107     *(.ARM.exidx*)
 108     __exidx_end = .;
 109   } >FLASH
 110
 111   .preinit_array     :
 112   {
 113     PROVIDE_HIDDEN (__preinit_array_start = .);
 114     KEEP (*(.preinit_array*))
 115     PROVIDE_HIDDEN (__preinit_array_end = .);
 116   } >FLASH
 117   .init_array :
 118   {
 119     PROVIDE_HIDDEN (__init_array_start = .);
 120     KEEP (*(SORT(.init_array.*)))
 121     KEEP (*(.init_array*))
 122     PROVIDE_HIDDEN (__init_array_end = .);
 123   } >FLASH
 124   .fini_array :
 125   {
 126     PROVIDE_HIDDEN (__fini_array_start = .);
 127     KEEP (*(SORT(.fini_array.*)))
 128     KEEP (*(.fini_array*))
 129     PROVIDE_HIDDEN (__fini_array_end = .);
 130   } >FLASH
 131
 132   /* used by the startup to initialize data */
 133   _sidata = LOADADDR(.data);
 134
 135   /* Initialized data sections goes into RAM, load LMA copy after code */
 136   .data :
 137   {
 138     . = ALIGN(4);
 139     _sdata = .;        /* create a global symbol at data start */
 140     *(.data)           /* .data sections */
 141     *(.data*)          /* .data* sections */
 142
 143     . = ALIGN(4);
 144     _edata = .;        /* define a global symbol at data end */
 145   } >RAM AT> FLASH
 146
 147
 148   /* Uninitialized data section */
 149   . = ALIGN(4);
 150   .bss :
 151   {
 152     /* This is used by the startup in order to initialize the .bss secion */
 153     _sbss = .;         /* define a global symbol at bss start */
 154     __bss_start__ = _sbss;
 155     *(.bss)
 156     *(.bss*)
 157     *(COMMON)
 158
 159     . = ALIGN(4);
 160     _ebss = .;         /* define a global symbol at bss end */
 161     __bss_end__ = _ebss;
 162   } >RAM
 163
 164   /* User_heap_stack section, used to check that there is enough RAM left */
 165   ._user_heap_stack :
 166   {
 167     . = ALIGN(8);
 168     PROVIDE ( end = . );
 169     PROVIDE ( _end = . );
 170     . = . + _Min_Heap_Size;
 171     . = . + _Min_Stack_Size;
 172     . = ALIGN(8);
 173   } >RAM
 174
 175
 176
 177   /* Remove information from the standard libraries */
 178   /DISCARD/ :
 179   {
 180     libc.a ( * )
 181     libm.a ( * )
 182     libgcc.a ( * )
 183   }
 184
 185   .ARM.attributes 0 : { *(.ARM.attributes) }
 186 }
 187
 188