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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 3 | mjames | 1 | /* |
| 2 | ****************************************************************************** |
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| 3 | ** |
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| 4 | |||
| 5 | ** File : LinkerScript.ld |
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| 6 | ** |
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| 7 | ** Author : STM32CubeMX |
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| 8 | ** |
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| 9 | ** Abstract : Linker script for STM32F103C8Tx series |
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| 10 | ** 64Kbytes FLASH and 20Kbytes RAM |
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| 11 | ** |
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| 12 | ** Set heap size, stack size and stack location according |
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| 13 | ** to application requirements. |
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| 14 | ** |
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| 15 | ** Set memory bank area and size if external memory is used. |
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| 16 | ** |
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| 17 | ** Target : STMicroelectronics STM32 |
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| 18 | ** |
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| 19 | ** Distribution: The file is distributed “as is,” without any warranty |
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| 20 | ** of any kind. |
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| 21 | ** |
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| 22 | ***************************************************************************** |
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| 23 | ** @attention |
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| 24 | ** |
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| 25 | ** <h2><center>© COPYRIGHT(c) 2019 STMicroelectronics</center></h2> |
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| 26 | ** |
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| 27 | ** Redistribution and use in source and binary forms, with or without modification, |
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| 28 | ** are permitted provided that the following conditions are met: |
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| 29 | ** 1. Redistributions of source code must retain the above copyright notice, |
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| 30 | ** this list of conditions and the following disclaimer. |
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| 31 | ** 2. Redistributions in binary form must reproduce the above copyright notice, |
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| 32 | ** this list of conditions and the following disclaimer in the documentation |
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| 33 | ** and/or other materials provided with the distribution. |
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| 34 | ** 3. Neither the name of STMicroelectronics nor the names of its contributors |
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| 35 | ** may be used to endorse or promote products derived from this software |
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| 36 | ** without specific prior written permission. |
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| 37 | ** |
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| 38 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 39 | ** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 40 | ** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 41 | ** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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| 42 | ** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 43 | ** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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| 44 | ** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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| 45 | ** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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| 46 | ** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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| 47 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 48 | ** |
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| 49 | ***************************************************************************** |
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| 50 | */ |
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| 51 | |||
| 52 | /* Entry Point */ |
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| 53 | ENTRY(Reset_Handler) |
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| 54 | |||
| 55 | /* Highest address of the user mode stack */ |
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| 56 | _estack = ORIGIN(RAM) + LENGTH(RAM); /* end of RAM */ |
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| 57 | /* Generate a link error if heap and stack don't fit into RAM */ |
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| 58 | _Min_Heap_Size = 0x200; /* required amount of heap */ |
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| 59 | _Min_Stack_Size = 0x400; /* required amount of stack */ |
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| 60 | |||
| 61 | /* Specify the memory areas */ |
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| 62 | MEMORY |
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| 63 | { |
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| 64 | RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K |
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| 65 | FLASH (rx) : ORIGIN = 0x8000000, LENGTH = 64K |
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| 66 | } |
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| 67 | |||
| 68 | /* Define output sections */ |
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| 69 | SECTIONS |
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| 70 | { |
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| 71 | /* The startup code goes first into FLASH */ |
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| 72 | .isr_vector : |
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| 73 | { |
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| 74 | . = ALIGN(4); |
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| 75 | KEEP(*(.isr_vector)) /* Startup code */ |
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| 18 | mjames | 76 | . = ALIGN(4); |
| 3 | mjames | 77 | } >FLASH |
| 78 | |||
| 7 | mjames | 79 | /* non volatile data in a data block at the beginning of flash */ |
| 80 | .nvram : |
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| 81 | { |
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| 82 | *(.nvram) /* .nvram sections (code/data tables) */ |
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| 83 | . = ALIGN(1024); |
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| 84 | } >FLASH |
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| 85 | |||
| 3 | mjames | 86 | /* The program code and other data goes into FLASH */ |
| 87 | .text : |
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| 88 | { |
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| 89 | . = ALIGN(4); |
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| 90 | *(.text) /* .text sections (code) */ |
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| 91 | *(.text*) /* .text* sections (code) */ |
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| 92 | *(.glue_7) /* glue arm to thumb code */ |
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| 93 | *(.glue_7t) /* glue thumb to arm code */ |
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| 94 | *(.eh_frame) |
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| 95 | |||
| 96 | KEEP (*(.init)) |
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| 97 | KEEP (*(.fini)) |
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| 98 | |||
| 99 | . = ALIGN(4); |
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| 100 | _etext = .; /* define a global symbols at end of code */ |
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| 101 | } >FLASH |
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| 102 | |||
| 103 | /* Constant data goes into FLASH */ |
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| 104 | .rodata : |
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| 105 | { |
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| 106 | . = ALIGN(4); |
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| 107 | *(.rodata) /* .rodata sections (constants, strings, etc.) */ |
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| 108 | *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ |
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| 109 | . = ALIGN(4); |
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| 110 | } >FLASH |
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| 111 | |||
| 112 | .ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH |
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| 113 | .ARM : { |
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| 114 | __exidx_start = .; |
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| 115 | *(.ARM.exidx*) |
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| 116 | __exidx_end = .; |
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| 117 | } >FLASH |
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| 118 | |||
| 119 | .preinit_array : |
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| 120 | { |
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| 121 | PROVIDE_HIDDEN (__preinit_array_start = .); |
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| 122 | KEEP (*(.preinit_array*)) |
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| 123 | PROVIDE_HIDDEN (__preinit_array_end = .); |
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| 124 | } >FLASH |
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| 125 | .init_array : |
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| 126 | { |
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| 127 | PROVIDE_HIDDEN (__init_array_start = .); |
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| 128 | KEEP (*(SORT(.init_array.*))) |
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| 129 | KEEP (*(.init_array*)) |
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| 130 | PROVIDE_HIDDEN (__init_array_end = .); |
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| 131 | } >FLASH |
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| 132 | .fini_array : |
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| 133 | { |
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| 134 | PROVIDE_HIDDEN (__fini_array_start = .); |
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| 135 | KEEP (*(SORT(.fini_array.*))) |
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| 136 | KEEP (*(.fini_array*)) |
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| 137 | PROVIDE_HIDDEN (__fini_array_end = .); |
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| 138 | } >FLASH |
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| 139 | |||
| 140 | /* used by the startup to initialize data */ |
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| 141 | _sidata = LOADADDR(.data); |
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| 142 | |||
| 143 | /* Initialized data sections goes into RAM, load LMA copy after code */ |
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| 144 | .data : |
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| 145 | { |
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| 146 | . = ALIGN(4); |
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| 147 | _sdata = .; /* create a global symbol at data start */ |
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| 148 | *(.data) /* .data sections */ |
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| 149 | *(.data*) /* .data* sections */ |
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| 150 | |||
| 151 | . = ALIGN(4); |
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| 152 | _edata = .; /* define a global symbol at data end */ |
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| 153 | } >RAM AT> FLASH |
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| 154 | |||
| 155 | |||
| 156 | /* Uninitialized data section */ |
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| 157 | . = ALIGN(4); |
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| 158 | .bss : |
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| 159 | { |
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| 160 | /* This is used by the startup in order to initialize the .bss secion */ |
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| 161 | _sbss = .; /* define a global symbol at bss start */ |
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| 162 | __bss_start__ = _sbss; |
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| 163 | *(.bss) |
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| 164 | *(.bss*) |
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| 165 | *(COMMON) |
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| 166 | |||
| 167 | . = ALIGN(4); |
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| 168 | _ebss = .; /* define a global symbol at bss end */ |
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| 169 | __bss_end__ = _ebss; |
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| 170 | } >RAM |
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| 171 | |||
| 172 | /* User_heap_stack section, used to check that there is enough RAM left */ |
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| 173 | ._user_heap_stack : |
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| 174 | { |
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| 175 | . = ALIGN(8); |
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| 176 | PROVIDE ( end = . ); |
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| 177 | PROVIDE ( _end = . ); |
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| 178 | . = . + _Min_Heap_Size; |
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| 179 | . = . + _Min_Stack_Size; |
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| 180 | . = ALIGN(8); |
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| 181 | } >RAM |
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| 182 | |||
| 183 | |||
| 184 | |||
| 185 | /* Remove information from the standard libraries */ |
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| 186 | /DISCARD/ : |
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| 187 | { |
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| 188 | libc.a ( * ) |
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| 189 | libm.a ( * ) |
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| 190 | libgcc.a ( * ) |
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| 191 | } |
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| 192 | |||
| 193 | .ARM.attributes 0 : { *(.ARM.attributes) } |
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| 194 | } |
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| 195 | |||
| 196 |