/* Specify the memory areas */ MEMORY { RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 128K FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 352K FLASH_FS (rx) : ORIGIN = 0x08058000, LENGTH = 160K /* starting @ 352K */ } /* Generate a link error if heap and stack don't fit into RAM */ _minimum_heap_size = 0x200; /* required amount of heap */ _minimum_stack_size = 0x400; /* required amount of stack */ _ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); _micropy_hw_internal_flash_storage_ram_cache_end = ORIGIN(RAM) + LENGTH(RAM); _micropy_hw_internal_flash_storage_ram_cache_start = _micropy_hw_internal_flash_storage_ram_cache_end - 2K; /* fs cache = 2K RAM */ /* 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 = _micropy_hw_internal_flash_storage_ram_cache_start - _estack_reserve; _sstack = _estack - 8K; /* tunable */ _heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = _sstack; _micropy_hw_internal_flash_storage_start = ORIGIN(FLASH_FS); _micropy_hw_internal_flash_storage_end = ORIGIN(FLASH_FS) + LENGTH(FLASH_FS);