micropython/ports/nrf/boards/memory.ld

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/* Flash layout: softdevice | application | filesystem */
/* RAM layout: softdevice RAM | application RAM */
_sd_size = DEFINED(_sd_size) ? _sd_size : 0;
_sd_ram = DEFINED(_sd_ram) ? _sd_ram : 0;
_fs_size = DEFINED(_fs_size) ? _fs_size : 64K; /* TODO: set to 0 if not using the filesystem */
_app_size = _flash_size - _sd_size - _fs_size;
_app_start = _sd_size;
_fs_start = _sd_size + _app_size;
_fs_end = _fs_start + _fs_size;
_app_ram_start = 0x20000000 + _sd_ram;
_app_ram_size = _ram_size - _sd_ram;
/* Specify the memory areas */
MEMORY
{
FLASH_TEXT (rx) : ORIGIN = _app_start, LENGTH = _app_size /* app */
RAM (xrw) : ORIGIN = _app_ram_start, LENGTH = _app_ram_size
}