MEMORY
{
  FLASH : ORIGIN = 0x08000000, LENGTH = 256K 
  UNINIT: ORIGIN = 0x20000000, LENGTH = 0x10
  RAM : ORIGIN = 0x20000010, LENGTH = 64K - LENGTH(UNINIT)
}

SECTIONS {
  .uninit_flags (NOLOAD) : ALIGN(4)
  {
    . = ALIGN(4);
    __suninit_flags = .;
    _dfu_magic = .; . += 4;
    *(.uninit_flags .uninit_flags.*)
    . = ALIGN(4);
    __euninit_flags = .;
  } > UNINIT
}


/* This is where the call stack will be allocated. */
/* The stack is of the full descending type. */
/* NOTE Do NOT modify `_stack_start` unless you know what you are doing */
_stack_start = ORIGIN(RAM) + LENGTH(RAM);