circuitpython/ports/stm/boards/STM32H743_fs.ld

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/*
GNU linker script for STM32H743 with filesystem, tcm
*/
/* Entry Point */
ENTRY(Reset_Handler)
_ld_default_stack_size = 24K;
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048K
FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 128K /* sector 0, 128K */
FLASH_FS (r) : ORIGIN = 0x08020000, LENGTH = 384K /* sector 1-3, 128K */
FLASH_FIRMWARE (rx) : ORIGIN = 0x08080000, LENGTH = 1536K /* sectors 4*128 + 8*128 */
DTCM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
RAM (xrw) : ORIGIN = 0x24000000, LENGTH = 512K /* AXI SRAM */
SRAM_D2 (xrw) : ORIGIN = 0x30000000, LENGTH = 288K /* AHB1 SRAM */
SRAM_D3 (xrw) : ORIGIN = 0x30040000, LENGTH = 64K /* AHB2 SRAM */
ITCM (xrw) : ORIGIN = 0x00000000, LENGTH = 64K
}
/* produce a link error if there is not this amount of RAM for these sections */
_minimum_stack_size = 24K; /*TODO: this can probably be bigger, but how big?*/
_minimum_heap_size = 16K;
/* brainless copy paste for stack code. Results in ambiguous hard crash */
/* _ld_default_stack_size = 20K; */
/* Define tho top end of 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(DTCM) + LENGTH(DTCM);
/* RAM extents for the garbage collector */
_ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);