circuitpython/ports/stm32/boards/ARDUINO_PORTENTA_H7/stm32h747.ld

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/*
GNU linker script for STM32H747
*/
/* Specify the memory areas */
MEMORY
{
ITCM (xrw) : ORIGIN = 0x00000000, LENGTH = 64K
DTCM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
RAM (xrw) : ORIGIN = 0x24000000, LENGTH = 512K /* AXI SRAM D1 */
SRAM1 (xrw) : ORIGIN = 0x30000000, LENGTH = 128K /* SRAM1 D2 */
SRAM2 (xrw) : ORIGIN = 0x30020000, LENGTH = 128K /* SRAM2 D2 */
SRAM3 (xrw) : ORIGIN = 0x30040000, LENGTH = 32K /* SRAM3 D2 */
SRAM4 (xrw) : ORIGIN = 0x38000000, LENGTH = 64K /* SRAM4 D3 */
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048K /* Total available flash */
FLASH_EXT (rx) : ORIGIN = 0x90000000, LENGTH = 16384K /* 16MBs external QSPI flash */
FLASH_FS (r) : ORIGIN = 0x08020000, LENGTH = 128K /* sector 1 -> Flash storage */
FLASH_TEXT (rx) : ORIGIN = 0x08040000, LENGTH = 1792K /* Sector 0 -> Arduino Bootloader
Sector 1 -> Reserved for CM4/FS
Sectors 2 -> 15 firmware */
}
/* produce a link error if there is not this amount of RAM for these sections */
_minimum_stack_size = 2K;
_minimum_heap_size = 16K;
/* Define the stack. The stack is full descending so begins just above last byte
of RAM. Note that EABI requires the stack to be 8-byte aligned for a call. */
_estack = ORIGIN(RAM) + LENGTH(RAM) - _estack_reserve;
_sstack = _estack - 16K; /* tunable */
/* RAM extents for the garbage collector */
_ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);
_heap_start = _ebss; /* heap starts just after statically allocated memory */
_heap_end = _sstack;
/* Note the following varilables are only used if the filesystem flash storage is enabled */
/* Location of filesystem RAM cache */
_micropy_hw_internal_flash_storage_ram_cache_start = ORIGIN(DTCM);
_micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(DTCM) + LENGTH(DTCM);
/* Location of filesystem flash storage */
_micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS);
_micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);
/* define output sections */
SECTIONS
{
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector))
. = ALIGN(4);
} >FLASH_TEXT
.text :
{
. = ALIGN(4);
*(.text*)
*(.rodata*)
. = ALIGN(512);
*(.big_const*)
. = ALIGN(4);
_etext = .;
} >FLASH_TEXT
INCLUDE common_extratext_data_in_flash_text.ld
INCLUDE common_bss_heap_stack.ld
}