2 *****************************************************************************
4 ** File : stm32_flash_h7x3_2m.ld
6 ** Abstract : Linker script for STM32H743xI Device with
7 ** 512K AXI-RAM mapped onto AXI bus on D1 domain
8 ** 128K SRAM1 mapped on D2 domain
9 ** 128K SRAM2 mapped on D2 domain
10 ** 32K SRAM3 mapped on D2 domain
11 ** 64K SRAM4 mapped on D3 domain
15 *****************************************************************************
22 0x00000000 to 0x0000FFFF 64K ITCM
23 0x20000000 to 0x2001FFFF 128K DTCM
24 0x24000000 to 0x2407FFFF 512K AXI SRAM, D1 domain, main RAM
25 0x30000000 to 0x3001FFFF 128K SRAM1, D2 domain, unused
26 0x30020000 to 0x3003FFFF 128K SRAM2, D2 domain, unused
27 0x30040000 to 0x30047FFF 32K SRAM3, D2 domain, unused
28 0x38000000 to 0x3800FFFF 64K SRAM4, D3 domain, unused
29 0x38800000 to 0x38800FFF 4K BACKUP SRAM, Backup domain, unused
31 0x08000000 to 0x081FFFFF 2048K full flash,
32 0x08000000 to 0x0801FFFF 128K isr vector, startup code,
33 0x08020000 to 0x0803FFFF 128K config, // FLASH_Sector_1
34 0x08040000 to 0x081FFFFF 1792K firmware,
37 /* Specify the memory areas */
40 FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 128K
41 FLASH_CONFIG (r) : ORIGIN = 0x08020000, LENGTH = 128K
42 FLASH1 (rx) : ORIGIN = 0x08040000, LENGTH = 1792K
44 ITCM_RAM (rwx) : ORIGIN = 0x00000000, LENGTH = 64K
45 DTCM_RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
46 RAM (rwx) : ORIGIN = 0x24000000, LENGTH = 512K
48 D2_RAM (rwx) : ORIGIN = 0x30000000, LENGTH = 256K /* SRAM1 + SRAM2 */
50 MEMORY_B1 (rx) : ORIGIN = 0x60000000, LENGTH = 0K
53 REGION_ALIAS("STACKRAM", DTCM_RAM)
54 REGION_ALIAS("FASTRAM", DTCM_RAM)
56 /* INCLUDE "stm32_flash_f7_split.ld" */
58 *****************************************************************************
60 ** File : stm32_flash_f7_split.ld
62 ** Abstract : Common linker script for STM32 devices.
64 *****************************************************************************
70 /* Highest address of the user mode stack */
71 _estack = ORIGIN(STACKRAM) + LENGTH(STACKRAM) - 8; /* Reserve 2 x 4bytes for info across reset */
73 /* Base address where the config is stored. */
74 __config_start = ORIGIN(FLASH_CONFIG);
75 __config_end = ORIGIN(FLASH_CONFIG) + LENGTH(FLASH_CONFIG);
77 /* Generate a link error if heap and stack don't fit into RAM */
78 _Min_Heap_Size = 0; /* required amount of heap */
79 _Min_Stack_Size = 0x800; /* required amount of stack */
81 /* Define output sections */
84 /* The startup code goes first into FLASH */
88 PROVIDE (isr_vector_table_base = .);
89 KEEP(*(.isr_vector)) /* Startup code */
93 /* The program code and other data goes into FLASH */
97 *(.text) /* .text sections (code) */
98 *(.text*) /* .text* sections (code) */
99 *(.rodata) /* .rodata sections (constants, strings, etc.) */
100 *(.rodata*) /* .rodata* sections (constants, strings, etc.) */
101 *(.glue_7) /* glue arm to thumb code */
102 *(.glue_7t) /* glue thumb to arm code */
109 _etext = .; /* define a global symbols at end of code */
112 /* Critical program code goes into ITCM RAM */
113 /* Copy specific fast-executing code to ITCM RAM */
114 tcm_code = LOADADDR(.tcm_code);
123 } >ITCM_RAM AT >FLASH1
127 *(.ARM.extab* .gnu.linkonce.armextab.*)
133 *(.ARM.exidx*) __exidx_end = .;
138 PROVIDE_HIDDEN (__pg_registry_start = .);
139 KEEP (*(.pg_registry))
140 KEEP (*(SORT(.pg_registry.*)))
141 PROVIDE_HIDDEN (__pg_registry_end = .);
146 PROVIDE_HIDDEN (__pg_resetdata_start = .);
147 KEEP (*(.pg_resetdata))
148 PROVIDE_HIDDEN (__pg_resetdata_end = .);
151 /* used by the startup to initialize data */
152 _sidata = LOADADDR(.data);
154 /* Initialized data sections goes into RAM, load LMA copy after code */
158 _sdata = .; /* create a global symbol at data start */
159 *(.data) /* .data sections */
160 *(.data*) /* .data* sections */
163 _edata = .; /* define a global symbol at data end */
166 /* Uninitialized data section */
170 /* This is used by the startup in order to initialize the .bss secion */
171 _sbss = .; /* define a global symbol at bss start */
172 __bss_start__ = _sbss;
174 *(SORT_BY_ALIGNMENT(.bss*))
178 _ebss = .; /* define a global symbol at bss end */
182 /* Uninitialized data section */
186 /* This is used by the startup in order to initialize the .sram2 secion */
187 _ssram2 = .; /* define a global symbol at sram2 start */
188 __sram2_start__ = _ssram2;
190 *(SORT_BY_ALIGNMENT(.sram2*))
193 _esram2 = .; /* define a global symbol at sram2 end */
194 __sram2_end__ = _esram2;
197 /* used during startup to initialized fastram_data */
198 _sfastram_idata = LOADADDR(.fastram_data);
200 /* Initialized FAST_RAM section for unsuspecting developers */
204 _sfastram_data = .; /* create a global symbol at data start */
205 *(.fastram_data) /* .data sections */
206 *(.fastram_data*) /* .data* sections */
209 _efastram_data = .; /* define a global symbol at data end */
213 .fastram_bss (NOLOAD) :
216 __fastram_bss_start__ = _sfastram_bss;
218 *(SORT_BY_ALIGNMENT(.fastram_bss*))
222 __fastram_bss_end__ = _efastram_bss;
228 PROVIDE(dmaram_start = .);
230 _dmaram_start__ = _sdmaram;
232 PROVIDE(dmaram_end = .);
234 _dmaram_end__ = _edmaram;
237 .DMA_RW_D2 (NOLOAD) :
240 PROVIDE(dmarw_start = .);
242 _dmarw_start__ = _sdmarw;
244 PROVIDE(dmarw_end = .);
246 _dmarw_end__ = _edmarw;
249 .DMA_RW_AXI (NOLOAD) :
252 PROVIDE(dmarwaxi_start = .);
254 _dmarwaxi_start__ = _sdmarwaxi;
256 PROVIDE(dmarwaxi_end = .);
258 _dmarwaxi_end__ = _edmarwaxi;
261 .persistent_data (NOLOAD) :
263 __persistent_data_start__ = .;
266 __persistent_data_end__ = .;
270 /* User_heap_stack section, used to check that there is enough RAM left */
271 _heap_stack_end = ORIGIN(STACKRAM)+LENGTH(STACKRAM) - 8; /* 8 bytes to allow for alignment */
272 _heap_stack_begin = _heap_stack_end - _Min_Stack_Size - _Min_Heap_Size;
273 . = _heap_stack_begin;
278 PROVIDE ( _end = . );
279 . = . + _Min_Heap_Size;
280 . = . + _Min_Stack_Size;
284 /* MEMORY_bank1 section, code must be located here explicitly */
285 /* Example: extern int foo(void) __attribute__ ((section (".mb1text"))); */
288 *(.mb1text) /* .mb1text sections (code) */
289 *(.mb1text*) /* .mb1text* sections (code) */
290 *(.mb1rodata) /* read-only data (constants) */
294 /* Remove information from the standard libraries */
302 .ARM.attributes 0 : { *(.ARM.attributes) }