| [1] | 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 - 2019 SEGGER Microcontroller GmbH *
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| 7 | // * (c) 2001 - 2019 Rowley Associates Limited *
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| 8 | // * *
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| 9 | // * www.segger.com Support: support@segger.com *
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| 10 | // * *
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| 11 | // **********************************************************************
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| 12 | // * *
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| 13 | // * All rights reserved. *
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| 14 | // * *
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| 15 | // * Redistribution and use in source and binary forms, with or *
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| 16 | // * without modification, are permitted provided that the following *
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| 17 | // * conditions are met: *
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| 18 | // * *
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| 19 | // * - Redistributions of source code must retain the above copyright *
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| 20 | // * notice, this list of conditions and the following disclaimer. *
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| 21 | // * *
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| 22 | // * - Neither the name of SEGGER Microcontroller GmbH *
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| 23 | // * nor the names of its contributors may be used to endorse or *
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| 24 | // * promote products derived from this software without specific *
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| 25 | // * prior written permission. *
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| 26 | // * *
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| 27 | // * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND *
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| 28 | // * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, *
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| 29 | // * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
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| 30 | // * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE *
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| 31 | // * DISCLAIMED. *
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| 32 | // * IN NO EVENT SHALL SEGGER Microcontroller GmbH BE LIABLE FOR *
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| 33 | // * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
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| 34 | // * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT *
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| 35 | // * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; *
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| 36 | // * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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| 37 | // * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
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| 38 | // * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE *
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| 39 | // * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
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| 40 | // * DAMAGE. *
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| 41 | // * *
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| 42 | // **********************************************************************
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| 43 |
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| 44 | define memory with size = 4G; // Defines the single memory space used by Cortex device
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| 45 |
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| 46 | //
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| 47 | // Combined regions per memory type
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| 48 | //
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| 49 | define region FLASH = FLASH1; // MemorySegment name="FLASH1" start="0x08000000" size="0x00020000" access="ReadOnly" - See MemoryMap.xml file for this poject
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| 50 | define region RAM = RAM1; // MemorySegment name="RAM1" start="0x20000000" size="0x00008000" access="Read/Write" - See MemoryMap.xml file for this poject
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| 51 |
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| 52 | //
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| 53 | // Block definitions
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| 54 | //
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| 55 | define block vectors { section .vectors }; // Vector table section
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| 56 | define block vectors_ram { section .vectors_ram }; // Vector table section
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| 57 | define block ctors { section .ctors, section .ctors.*, block with alphabetical order { init_array } };
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| 58 | define block dtors { section .dtors, section .dtors.*, block with reverse alphabetical order { fini_array } };
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| 59 | define block exidx { section .ARM.exidx, section .ARM.exidx.* };
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| 60 | define block tbss { section .tbss, section .tbss.* };
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| 61 | define block tdata { section .tdata, section .tdata.* };
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| 62 | define block tls { block tbss, block tdata };
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| 63 | define block tdata_load { copy of block tdata };
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| 64 | define block heap with size = __HEAPSIZE__, alignment = 8, /* fill =0x00, */ readwrite access { };
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| 65 | define block stack with size = __STACKSIZE__, alignment = 8, fill =0xCD, readwrite access { };
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| 66 | //
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| 67 | // Explicit initialization settings for sections
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| 68 | //
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| 69 | do not initialize { section .non_init, section .non_init.*, section .*.non_init, section .*.non_init.* };
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| 70 | initialize by copy /* with packing=auto */ { section .data, section .data.*, section .*.data, section .*.data.* };
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| 71 | initialize by copy /* with packing=auto */ { section .fast, section .fast.* };
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| 72 | initialize by copy /* with packing=auto */ { section .RamFunc, section .RamFunc.* };
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| 73 |
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| 74 | //
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| 75 | // FLASH Placement
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| 76 | //
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| 77 | place at start of FLASH { block vectors }; // Vector table section
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| 78 | place in FLASH with minimum size order { section .init, section .init.*, // Init code section
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| 79 | section .init_rodata, section .init_rodata.*, // Init read-only section
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| 80 | section .text, section .text.*, // Code section
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| 81 | section .rodata, section .rodata.*, // Read-only data section
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| 82 | section .segger.*, // Auto-generated initialization
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| 83 | block exidx, // ARM exception unwinding block
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| 84 | block ctors, // Constructors block
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| 85 | block dtors }; // Destructors block
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| 86 | place in FLASH { block tdata_load }; // Thread-local-storage load image
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| 87 | //
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| 88 | // Explicit placement in FLASHn
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| 89 | //
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| 90 | place in FLASH1 { section .FLASH1, section .FLASH1.* };
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| 91 |
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| 92 | //
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| 93 | // RAM Placement
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| 94 | //
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| 95 | place at start of RAM { block vectors_ram };
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| 96 | place in RAM { section .non_init, section .non_init.*, // No initialization section
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| 97 | block tls }; // Thread-local-storage block
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| 98 | place in RAM with auto order { section .fast, section .fast.*, // "ramfunc" section
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| 99 | section .data, section .data.*, // Initialized data section
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| 100 | section .bss, section .bss.*,
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| 101 | section .RamFunc, section .RamFunc.*
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| 102 | }; // Static data section
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| 103 | place in RAM { block heap }; // Heap reserved block
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| 104 | place at end of RAM { block stack }; // Stack reserved block at the end
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| 105 |
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| 106 | //
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| 107 | // Explicit placement in RAMn
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| 108 | //
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| 109 | place in RAM1 { section .RAM1, section .RAM1.* };
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| 110 |
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| 111 | //
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| 112 | // CRC claculation for application
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| 113 | //
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| 114 |
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| 115 | define region CRC = [end(FLASH) - 4 size 4];
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| 116 | define region APP = FLASH - CRC;
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| 117 | place in CRC { integrity check of APP with algorithm="CRC-32/STM32" fill=0xFF };
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| 118 | fill APP with 0xFF;
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