source: trunk/firmware/STM32C0xx_Flash.icf

Last change on this file was 9, checked in by f.jahn, 5 months ago

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37
38File    : STM32C0xx_Flash.icf
39Purpose : STM32C0xx linker script for application placement in Flash,
40          for use with the SEGGER Linker.
41Maps    : STM32C011D6Yx, STM32C011F4Px, STM32C011F4Ux, STM32C011F6Px,
42          STM32C011F6Ux, STM32C011J4Mx, STM32C011J6Mx, STM32C031C4Tx,
43          STM32C031C4Ux, STM32C031C6Tx, STM32C031C6Ux, STM32C031F4Px,
44          STM32C031F6Px, STM32C031G4Ux, STM32C031G6Ux, STM32C031K4Tx,
45          STM32C031K4Ux, STM32C031K6Tx, STM32C031K6Ux
46Literature:
47  [1]  SEGGER Linker User Guide (https://www.segger.com/doc/UM20005_Linker.html)
48  [2]  SEGGER Linker Section Placement (https://wiki.segger.com/SEGGER_Linker_Script_Files)
49*/
50
51define memory with size = 4G;
52
53//
54// Combined regions per memory type
55//
56define region FLASH = FLASH1;
57define region RAM   = RAM1;
58
59//
60// Block definitions
61//
62define block vectors                        { section .vectors };                                   // Vector table section
63define block vectors_ram                    { section .vectors_ram };                               // Vector table section
64define block ctors                          { section .ctors,     section .ctors.*, block with         alphabetical order { init_array } };
65define block dtors                          { section .dtors,     section .dtors.*, block with reverse alphabetical order { fini_array } };
66define block exidx                          { section .ARM.exidx, section .ARM.exidx.* };
67define block tbss                           { section .tbss,      section .tbss.*  };
68define block tdata                          { section .tdata,     section .tdata.* };
69define block tls with fixed order           { block tbss, block tdata };
70define block tdata_load                     { copy of block tdata };
71define block heap           with auto size = __HEAPSIZE__,  alignment = 8, readwrite access { };
72define block stack          with      size = __STACKSIZE__, alignment = 8, readwrite access { };
73define block stack_process  with      size = __STACKSIZE_PROCESS__, alignment = 8, /* fill =0xCD, */ readwrite access { };
74
75//
76// Explicit initialization settings for sections
77// Packing options for initialize by copy: packing=auto/lzss/zpak/packbits
78//
79do not initialize                           { section .non_init, section .non_init.*, section .*.non_init, section .*.non_init.* };
80do not initialize                           { section .no_init, section .no_init.*, section .*.no_init, section .*.no_init.* };   // Legacy sections, kept for backwards compatibility
81do not initialize                           { section .noinit, section .noinit.*, section .*.noinit, section .*.noinit.* };       // Legacy sections, used by some SDKs/HALs
82do not initialize                           { block vectors_ram };
83initialize by copy with packing=auto        { section .data, section .data.*, section .*.data, section .*.data.* };               // Static data sections
84initialize by copy with packing=auto        { section .fast, section .fast.*, section .*.fast, section .*.fast.* };               // "RAM Code" sections
85
86initialize by calling __SEGGER_STOP_X_InitLimits    { section .data.stop.* };
87
88#define USES_ALLOC_FUNC                                   \
89  linked symbol malloc || linked symbol aligned_alloc ||  \
90  linked symbol calloc || linked symbol realloc
91
92initialize by calling __SEGGER_init_heap if USES_ALLOC_FUNC { block heap };                        // Init the heap if one is required
93initialize 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.
94
95//assert with warning "free() linked into application but there are no calls to an allocation function!" {
96//  linked symbol free => USES_ALLOC_FUNC
97//};
98
99assert with error "heap is too small!"              { USES_ALLOC_FUNC => size  of block heap >= 48 };
100assert with error "heap size not a multiple of 8!"  { USES_ALLOC_FUNC => size  of block heap % 8 == 0 };
101assert with error "heap not correctly aligned!"     { USES_ALLOC_FUNC => start of block heap % 8 == 0 };
102
103//
104// Explicit placement in FLASHn
105//
106place in FLASH1                             { section .FLASH1, section .FLASH1.* };
107//
108// FLASH Placement
109//
110place at start of FLASH                     { block vectors };                                      // Vector table section
111place in FLASH with minimum size order      { block tdata_load,                                     // Thread-local-storage load image
112                                              block exidx,                                          // ARM exception unwinding block
113                                              block ctors,                                          // Constructors block
114                                              block dtors,                                          // Destructors block
115                                              readonly,                                             // Catch-all for readonly data (e.g. .rodata, .srodata)
116                                              readexec                                              // Catch-all for (readonly) executable code (e.g. .text)
117                                            };
118
119//
120// Explicit placement in RAMn
121//
122place in RAM1                               { section .RAM1, section .RAM1.* };
123//
124// RAM Placement
125//
126place at start of RAM                       { block vectors_ram };
127place in RAM                                { section .fast, section .fast.* };                     // "ramfunc" section
128place in RAM with auto order                { block tls,                                            // Thread-local-storage block
129                                              readwrite,                                            // Catch-all for initialized/uninitialized data sections (e.g. .data, .noinit)
130                                              zeroinit                                              // Catch-all for zero-initialized data sections (e.g. .bss)
131                                            };
132place in RAM                                { block heap };                                         // Heap reserved block
133place at end of RAM                         { block stack };                                        // Stack reserved block at the end
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