circuitpython/ports/stm/boards/STM32F405_boot.ld

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2020-03-11 18:13:06 -04:00
/*
GNU linker script for STM32F405 with bootloader
*/
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08010000, LENGTH = 1024K - 64K /* entire flash, sans bootloader region */
FLASH_ISR (rx) : ORIGIN = 0x08010000, LENGTH = 64K /* sector 0 */
FLASH_FIRMWARE (rx) : ORIGIN = 0x08020000, LENGTH = 1024K - 64K - 64K /* sectors 5+ */
CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K
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}
/* 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 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(RAM) + LENGTH(RAM);
/* RAM extents for the garbage collector */
_ram_start = ORIGIN(RAM);
_ram_end = ORIGIN(RAM) + LENGTH(RAM);