source: trunk/firmware/FSBL/SES/STM32N6xx_RAM.icf@ 36

Last change on this file since 36 was 26, checked in by Zed, 3 weeks ago

FSBL can be debugged, but bei main App RTT still does not work.
File size: 9.8 KB
RevLine 
[16]1/*********************************************************************
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36-------------------------- END-OF-HEADER -----------------------------
37
38File : STM32N6xx_RAM.icf
39Purpose : STM32N6xx linker script for application placement in RAM
40 (to be copied to RAM by bootloader or debugger)
41 for use with the SEGGER Linker.
42Maps : STM32N645A0HxQ, STM32N645B0HxQ, STM32N645I0HxQ, STM32N645L0HxQ,
43 STM32N645X0HxQ, STM32N645Z0HxQ, STM32N647A0HxQ, STM32N647B0HxQ,
44 STM32N647I0HxQ, STM32N647L0HxQ, STM32N647X0HxQ, STM32N647Z0HxQ,
45 STM32N655A0HxQ, STM32N655B0HxQ, STM32N655I0HxQ, STM32N655L0HxQ,
46 STM32N655X0HxQ, STM32N655Z0HxQ, STM32N657A0HxQ, STM32N657B0HxQ,
47 STM32N657I0HxQ, STM32N657L0HxQ, STM32N657X0HxQ, STM32N657Z0HxQ
48Literature:
49 [1] SEGGER Linker User Guide (https://www.segger.com/doc/UM20005_Linker.html)
50 [2] SEGGER Linker Section Placement (https://wiki.segger.com/SEGGER_Linker_Script_Files)
51*/
52
53define memory with size = 4G;
54
55//
56// Combined regions per memory type
57//
[19]58define region FLASH = AXI_RAM2;
[24]59define region RAM = FLEX_RAM;
[16]60
61//
62// Block definitions
63//
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 { section .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//
[24]104// FLASH Placement
105//
[26]106place at start of FLASH { section .vectors }; // Vector table section
[24]107place in FLASH with minimum size order { block tdata_load, // Thread-local-storage load image
108 block exidx, // ARM exception unwinding block
109 block ctors, // Constructors block
110 block dtors, // Destructors block
111 readonly, // Catch-all for readonly data (e.g. .rodata, .srodata)
112 readexec // Catch-all for (readonly) executable code (e.g. .text)
113 };
114
115
116//
[16]117// Explicit placement in RAMn
118//
119place in AHB_RAM1 { section .AHB_RAM1, section .AHB_RAM1.* };
120place in AHB_RAM2 { section .AHB_RAM2, section .AHB_RAM2.* };
121place in AXI_RAM1 { section .AXI_RAM1, section .AXI_RAM1.* }; // This region may be deactivated and not accessible
122place in AXI_RAM2 { section .AXI_RAM2, section .AXI_RAM2.* }; // This region may be deactivated and not accessible
123place in AXI_RAM3 { section .AXI_RAM3, section .AXI_RAM3.* }; // This region may be deactivated and not accessible
124place in AXI_RAM4 { section .AXI_RAM4, section .AXI_RAM4.* }; // This region may be deactivated and not accessible
125place in BKP_RAM { section .BKP_RAM, section .BKP_RAM.* }; // This region may be deactivated and not accessible
126place in DTCM_RAM { section .DTCM_RAM, section .DTCM_RAM.* }; // This region may be deactivated and not accessible
127place in FLEX_RAM { section .FLEX_RAM, section .FLEX_RAM.* };
128place in ITCM_RAM { section .ITCM_RAM, section .ITCM_RAM.* }; // This region may be deactivated and not accessible
129
130//
131// RAM Placement
132//
133place in RAM { section .fast, section .fast.* }; // "ramfunc" section
134place in RAM with auto order { block tls, // Thread-local-storage block
135 readwrite, // Catch-all for initialized/uninitialized data sections (e.g. .data, .noinit)
136 zeroinit // Catch-all for zero-initialized data sections (e.g. .bss)
137 };
138place in RAM { block heap }; // Heap reserved block
139place at end of RAM { block stack }; // Stack reserved block at the end
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