| 1 | /* | 
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| 2 | ****************************************************************************** | 
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| 3 | ** | 
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| 4 |  | 
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| 5 | **  File        : LinkerScript.ld | 
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| 6 | ** | 
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| 7 | **  Author              : Auto-generated by System Workbench for STM32 | 
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| 8 | ** | 
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| 9 | **  Abstract    : Linker script for STM32G071C8Tx series | 
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| 10 | **                64Kbytes FLASH and 36Kbytes 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 |  | 
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| 52 | /* Entry Point */ | 
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| 53 | ENTRY(Reset_Handler) | 
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| 54 |  | 
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| 55 | /* Highest address of the user mode stack */ | 
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| 56 | _estack = 0x20009000;    /* 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 = 0x2000;      /* required amount of heap  */ | 
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| 59 | _Min_Stack_Size = 0x4000; /* required amount of stack */ | 
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| 60 |  | 
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| 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 = 36K | 
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| 65 | FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 64K | 
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| 66 | } | 
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| 67 |  | 
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| 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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| 76 | . = ALIGN(4); | 
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| 77 | } >FLASH | 
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| 78 |  | 
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| 79 | /* The program code and other data goes into FLASH */ | 
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| 80 | .text : | 
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| 81 | { | 
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| 82 | . = ALIGN(4); | 
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| 83 | *(.text)           /* .text sections (code) */ | 
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| 84 | *(.text*)          /* .text* sections (code) */ | 
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| 85 | *(.glue_7)         /* glue arm to thumb code */ | 
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| 86 | *(.glue_7t)        /* glue thumb to arm code */ | 
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| 87 | *(.eh_frame) | 
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| 88 |  | 
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| 89 | KEEP (*(.init)) | 
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| 90 | KEEP (*(.fini)) | 
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| 91 |  | 
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| 92 | . = ALIGN(4); | 
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| 93 | _etext = .;        /* define a global symbols at end of code */ | 
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| 94 | } >FLASH | 
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| 95 |  | 
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| 96 | /* Constant data goes into FLASH */ | 
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| 97 | .rodata : | 
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| 98 | { | 
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| 99 | . = ALIGN(4); | 
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| 100 | *(.rodata)         /* .rodata sections (constants, strings, etc.) */ | 
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| 101 | *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */ | 
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| 102 | . = ALIGN(4); | 
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| 103 | } >FLASH | 
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| 104 |  | 
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| 105 | .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH | 
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| 106 | .ARM : { | 
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| 107 | __exidx_start = .; | 
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| 108 | *(.ARM.exidx*) | 
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| 109 | __exidx_end = .; | 
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| 110 | } >FLASH | 
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| 111 |  | 
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| 112 | .preinit_array     : | 
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| 113 | { | 
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| 114 | PROVIDE_HIDDEN (__preinit_array_start = .); | 
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| 115 | KEEP (*(.preinit_array*)) | 
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| 116 | PROVIDE_HIDDEN (__preinit_array_end = .); | 
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| 117 | } >FLASH | 
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| 118 | .init_array : | 
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| 119 | { | 
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| 120 | PROVIDE_HIDDEN (__init_array_start = .); | 
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| 121 | KEEP (*(SORT(.init_array.*))) | 
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| 122 | KEEP (*(.init_array*)) | 
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| 123 | PROVIDE_HIDDEN (__init_array_end = .); | 
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| 124 | } >FLASH | 
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| 125 | .fini_array : | 
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| 126 | { | 
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| 127 | PROVIDE_HIDDEN (__fini_array_start = .); | 
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| 128 | KEEP (*(SORT(.fini_array.*))) | 
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| 129 | KEEP (*(.fini_array*)) | 
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| 130 | PROVIDE_HIDDEN (__fini_array_end = .); | 
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| 131 | } >FLASH | 
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| 132 |  | 
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| 133 | /* used by the startup to initialize data */ | 
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| 134 | _sidata = LOADADDR(.data); | 
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| 135 |  | 
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| 136 | /* Initialized data sections goes into RAM, load LMA copy after code */ | 
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| 137 | .data : | 
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| 138 | { | 
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| 139 | . = ALIGN(4); | 
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| 140 | _sdata = .;        /* create a global symbol at data start */ | 
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| 141 | *(.data)           /* .data sections */ | 
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| 142 | *(.data*)          /* .data* sections */ | 
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| 143 |  | 
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| 144 | . = ALIGN(4); | 
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| 145 | _edata = .;        /* define a global symbol at data end */ | 
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| 146 | } >RAM AT> FLASH | 
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| 147 |  | 
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| 148 |  | 
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| 149 | /* Uninitialized data section */ | 
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| 150 | . = ALIGN(4); | 
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| 151 | .bss : | 
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| 152 | { | 
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| 153 | /* This is used by the startup in order to initialize the .bss secion */ | 
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| 154 | _sbss = .;         /* define a global symbol at bss start */ | 
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| 155 | __bss_start__ = _sbss; | 
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| 156 | *(.bss) | 
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| 157 | *(.bss*) | 
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| 158 | *(COMMON) | 
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| 159 |  | 
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| 160 | . = ALIGN(4); | 
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| 161 | _ebss = .;         /* define a global symbol at bss end */ | 
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| 162 | __bss_end__ = _ebss; | 
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| 163 | } >RAM | 
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| 164 |  | 
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| 165 | /* User_heap_stack section, used to check that there is enough RAM left */ | 
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| 166 | ._user_heap_stack : | 
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| 167 | { | 
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| 168 | . = ALIGN(8); | 
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| 169 | PROVIDE ( end = . ); | 
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| 170 | PROVIDE ( _end = . ); | 
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| 171 | . = . + _Min_Heap_Size; | 
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| 172 | . = . + _Min_Stack_Size; | 
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| 173 | . = ALIGN(8); | 
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| 174 | } >RAM | 
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| 175 |  | 
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| 176 |  | 
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| 177 |  | 
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| 178 | /* Remove information from the standard libraries */ | 
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| 179 | /DISCARD/ : | 
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| 180 | { | 
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| 181 | libc.a ( * ) | 
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| 182 | libm.a ( * ) | 
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| 183 | libgcc.a ( * ) | 
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| 184 | } | 
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| 185 |  | 
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| 186 | .ARM.attributes 0 : { *(.ARM.attributes) } | 
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| 187 | } | 
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| 188 |  | 
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| 189 |  | 
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