| 1 | /*********************************************************************
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| 2 | * SEGGER Microcontroller GmbH *
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| 3 | * The Embedded Experts *
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| 4 | **********************************************************************
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| 5 | * *
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| 6 | * (c) 2014 - 2024 SEGGER Microcontroller GmbH *
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| 7 | * *
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| 8 | * www.segger.com Support: support@segger.com *
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| 9 | * *
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| 10 | **********************************************************************
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| 11 | * *
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| 12 | * All rights reserved. *
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| 13 | * *
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| 14 | * Redistribution and use in source and binary forms, with or *
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| 15 | * without modification, are permitted provided that the following *
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| 16 | * condition is met: *
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| 17 | * *
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| 18 | * - Redistributions of source code must retain the above copyright *
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| 19 | * notice, this condition and the following disclaimer. *
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| 20 | * *
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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| 22 | * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
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| 23 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
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| 24 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
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| 25 | * DISCLAIMED. IN NO EVENT SHALL SEGGER Microcontroller BE LIABLE FOR *
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| 26 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
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| 27 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
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| 28 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
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| 29 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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| 30 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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| 31 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
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| 32 | * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
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| 33 | * DAMAGE. *
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| 34 | * *
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| 35 | **********************************************************************
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| 36 | -------------------------- END-OF-HEADER -----------------------------
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| 37 |
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| 38 | File : STM32G4xx_Flash.icf
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| 39 | Purpose : STM32G4xx linker script for application placement in Flash,
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| 40 | for use with the SEGGER Linker.
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| 41 | Maps : STM32G431C6Tx, STM32G431C6Ux, STM32G431C8Tx, STM32G431C8Ux,
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| 42 | STM32G431CBTx, STM32G431CBUx, STM32G431CBYx, STM32G431K6Tx,
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| 43 | STM32G431K6Ux, STM32G431K8Tx, STM32G431K8Ux, STM32G431KBTx,
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| 44 | STM32G431KBUx, STM32G431M6Tx, STM32G431M8Tx, STM32G431MBTx,
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| 45 | STM32G431R6Ix, STM32G431R6Tx, STM32G431R8Ix, STM32G431R8Tx,
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| 46 | STM32G431RBIx, STM32G431RBTx, STM32G431V6Tx, STM32G431V8Tx,
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| 47 | STM32G431VBTx, STM32G441CBTx, STM32G441CBUx, STM32G441CBYx,
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| 48 | STM32G441KBTx, STM32G441KBUx, STM32G441MBTx, STM32G441RBIx,
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| 49 | STM32G441RBTx, STM32G441VBTx, STM32G471CCTx, STM32G471CCUx,
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| 50 | STM32G471CETx, STM32G471CEUx, STM32G471MCTx, STM32G471METx,
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| 51 | STM32G471MEYx, STM32G471QCTx, STM32G471QETx, STM32G471RCTx,
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| 52 | STM32G471RETx, STM32G471VCHx, STM32G471VCIx, STM32G471VCTx,
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| 53 | STM32G471VEHx, STM32G471VEIx, STM32G471VETx, STM32G473CBTx,
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| 54 | STM32G473CBUx, STM32G473CCTx, STM32G473CCUx, STM32G473CETx,
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| 55 | STM32G473CEUx, STM32G473MBTx, STM32G473MCTx, STM32G473METx,
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| 56 | STM32G473MEYx, STM32G473PBIx, STM32G473PCIx, STM32G473PEIx,
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| 57 | STM32G473QBTx, STM32G473QCTx, STM32G473QETx, STM32G473RBTx,
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| 58 | STM32G473RCTx, STM32G473RETx, STM32G473VBHx, STM32G473VBIx,
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| 59 | STM32G473VBTx, STM32G473VCHx, STM32G473VCIx, STM32G473VCTx,
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| 60 | STM32G473VEHx, STM32G473VEIx, STM32G473VETx, STM32G474CBTx,
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| 61 | STM32G474CBUx, STM32G474CCTx, STM32G474CCUx, STM32G474CETx,
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| 62 | STM32G474CEUx, STM32G474MBTx, STM32G474MCTx, STM32G474METx,
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| 63 | STM32G474MEYx, STM32G474PBIx, STM32G474PCIx, STM32G474PEIx,
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| 64 | STM32G474QBTx, STM32G474QCTx, STM32G474QETx, STM32G474RBTx,
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| 65 | STM32G474RCTx, STM32G474RETx, STM32G474VBHx, STM32G474VBIx,
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| 66 | STM32G474VBTx, STM32G474VCHx, STM32G474VCIx, STM32G474VCTx,
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| 67 | STM32G474VEHx, STM32G474VEIx, STM32G474VETx, STM32G483CETx,
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| 68 | STM32G483CEUx, STM32G483METx, STM32G483MEYx, STM32G483PEIx,
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| 69 | STM32G483QETx, STM32G483RETx, STM32G483VEHx, STM32G483VEIx,
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| 70 | STM32G483VETx, STM32G484CETx, STM32G484CEUx, STM32G484METx,
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| 71 | STM32G484MEYx, STM32G484PEIx, STM32G484QETx, STM32G484RETx,
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| 72 | STM32G484VEHx, STM32G484VEIx, STM32G484VETx, STM32G491CCTx,
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| 73 | STM32G491CCUx, STM32G491CETx, STM32G491CEUx, STM32G491KCUx,
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| 74 | STM32G491KEUx, STM32G491MCSx, STM32G491MCTx, STM32G491MESx,
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| 75 | STM32G491METx, STM32G491RCIx, STM32G491RCTx, STM32G491REIx,
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| 76 | STM32G491RETx, STM32G491REYx, STM32G491VCTx, STM32G491VETx,
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| 77 | STM32G4A1CETx, STM32G4A1CEUx, STM32G4A1KEUx, STM32G4A1MESx,
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| 78 | STM32G4A1METx, STM32G4A1REIx, STM32G4A1RETx, STM32G4A1REYx,
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| 79 | STM32G4A1VETx
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| 80 | Literature:
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| 81 | [1] SEGGER Linker User Guide (https://www.segger.com/doc/UM20005_Linker.html)
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| 82 | [2] SEGGER Linker Section Placement (https://wiki.segger.com/SEGGER_Linker_Script_Files)
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| 83 | */
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| 84 |
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| 85 | define memory with size = 4G;
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| 86 |
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| 87 | //
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| 88 | // Combined regions per memory type
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| 89 | //
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| 90 | define region FLASH = FLASH1;
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| 91 | define region RAM = CCM_RAM1 + RAM1 + RAM2;
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| 92 |
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| 93 | //
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| 94 | // Block definitions
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| 95 | //
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| 96 | define block vectors { section .vectors }; // Vector table section
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| 97 | define block vectors_ram { section .vectors_ram }; // Vector table section
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| 98 | define block ctors { section .ctors, section .ctors.*, block with alphabetical order { init_array } };
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| 99 | define block dtors { section .dtors, section .dtors.*, block with reverse alphabetical order { fini_array } };
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| 100 | define block exidx { section .ARM.exidx, section .ARM.exidx.* };
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| 101 | define block tbss { section .tbss, section .tbss.* };
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| 102 | define block tdata { section .tdata, section .tdata.* };
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| 103 | define block tls with fixed order { block tbss, block tdata };
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| 104 | define block tdata_load { copy of block tdata };
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| 105 | define block heap with auto size = __HEAPSIZE__, alignment = 8, readwrite access { };
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| 106 | define block stack with size = __STACKSIZE__, alignment = 8, readwrite access { };
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| 107 | define block stack_process with size = __STACKSIZE_PROCESS__, alignment = 8, /* fill =0xCD, */ readwrite access { };
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| 108 |
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| 109 | //
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| 110 | // Explicit initialization settings for sections
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| 111 | // Packing options for initialize by copy: packing=auto/lzss/zpak/packbits
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| 112 | //
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| 113 | do not initialize { section .non_init, section .non_init.*, section .*.non_init, section .*.non_init.* };
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| 114 | do not initialize { section .no_init, section .no_init.*, section .*.no_init, section .*.no_init.* }; // Legacy sections, kept for backwards compatibility
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| 115 | do not initialize { section .noinit, section .noinit.*, section .*.noinit, section .*.noinit.* }; // Legacy sections, used by some SDKs/HALs
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| 116 | do not initialize { block vectors_ram };
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| 117 | initialize by copy with packing=auto { section .data, section .data.*, section .*.data, section .*.data.* }; // Static data sections
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| 118 | initialize by copy with packing=auto { section .fast, section .fast.*, section .*.fast, section .*.fast.* }; // "RAM Code" sections
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| 119 |
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| 120 | initialize by calling __SEGGER_STOP_X_InitLimits { section .data.stop.* };
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| 121 |
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| 122 | #define USES_ALLOC_FUNC \
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| 123 | linked symbol malloc || linked symbol aligned_alloc || \
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| 124 | linked symbol calloc || linked symbol realloc
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| 125 |
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| 126 | initialize by calling __SEGGER_init_heap if USES_ALLOC_FUNC { block heap }; // Init the heap if one is required
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| 127 | initialize by calling __SEGGER_init_ctors { block ctors }; // Call constructors for global objects which need to be constructed before reaching main (if any). Make sure this is done after setting up heap.
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| 128 |
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| 129 | //assert with warning "free() linked into application but there are no calls to an allocation function!" {
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| 130 | // linked symbol free => USES_ALLOC_FUNC
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| 131 | //};
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| 132 |
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| 133 | assert with error "heap is too small!" { USES_ALLOC_FUNC => size of block heap >= 48 };
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| 134 | assert with error "heap size not a multiple of 8!" { USES_ALLOC_FUNC => size of block heap % 8 == 0 };
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| 135 | assert with error "heap not correctly aligned!" { USES_ALLOC_FUNC => start of block heap % 8 == 0 };
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| 136 |
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| 137 | //
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| 138 | // Explicit placement in FLASHn
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| 139 | //
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| 140 | place in FLASH1 { section .FLASH1, section .FLASH1.* };
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| 141 | //
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| 142 | // FLASH Placement
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| 143 | //
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| 144 | place at start of FLASH { block vectors }; // Vector table section
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| 145 | place in FLASH with minimum size order { block tdata_load, // Thread-local-storage load image
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| 146 | block exidx, // ARM exception unwinding block
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| 147 | block ctors, // Constructors block
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| 148 | block dtors, // Destructors block
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| 149 | readonly, // Catch-all for readonly data (e.g. .rodata, .srodata)
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| 150 | readexec // Catch-all for (readonly) executable code (e.g. .text)
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| 151 | };
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| 152 |
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| 153 | //
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| 154 | // Explicit placement in RAMn
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| 155 | //
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| 156 | place in CCM_RAM1 { section .CCM_RAM1, section .CCM_RAM1.* };
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| 157 | place in RAM1 { section .RAM1, section .RAM1.* };
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| 158 | place in RAM2 { section .RAM2, section .RAM2.* };
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| 159 | //
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| 160 | // RAM Placement
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| 161 | //
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| 162 | place at start of RAM { block vectors_ram };
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| 163 | place in RAM { section .fast, section .fast.* }; // "ramfunc" section
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| 164 | place in RAM with auto order { block tls, // Thread-local-storage block
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| 165 | readwrite, // Catch-all for initialized/uninitialized data sections (e.g. .data, .noinit)
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| 166 | zeroinit // Catch-all for zero-initialized data sections (e.g. .bss)
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| 167 | };
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| 168 | place in RAM { block heap }; // Heap reserved block
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| 169 | place at end of CCM_RAM1 { block stack }; // Stack reserved block at the end
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