/* GNU linker script for STM32F405 */ /* Specify the memory areas */ MEMORY { FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 1024K /* entire flash */ FLASH_ISR (rx) : ORIGIN = 0x08000000, LENGTH = 16K /* sector 0 */ FLASH_FS (rx) : ORIGIN = 0x08004000, LENGTH = 112K /* sectors 1,2,3,4 are for filesystem */ FLASH_TEXT (rx) : ORIGIN = 0x08020000, LENGTH = 896K /* sectors 5,6,7,8,9,10,11 */ CCMRAM (xrw) : ORIGIN = 0x10000000, LENGTH = 64K RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K } /* 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; /* Filesystem cache in RAM, and storage in flash */ _micropy_hw_internal_flash_storage_ram_cache_start = ORIGIN(CCMRAM); _micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(CCMRAM) + LENGTH(CCMRAM); _micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS); _micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);