MEMORY
{
  RAM (wx) : ORIGIN = 0x0, LENGTH = 128K
}

SECTIONS
{
  .text :
  {
    *(.text*)
    *(.rodata*)
  } > RAM

  .data : 
  {
    *(.data*)
  } > RAM

  .bss :
  {
    *(.bss*)
    *(COMMON)
  } > RAM

  /* Add stack at the end of RAM */
  . = ALIGN(4);
  _end = .;
  PROVIDE(end = .);
  
  /* Define stack size and location */
  _stack_size = 0x4000; /* Example stack size: 16KB */
  _stack_end = ORIGIN(RAM) + LENGTH(RAM); /* End of RAM */
  _stack_start = _stack_end - _stack_size; /* Calculate start of the stack */
  .stack (NOLOAD) :
  {
    . = ALIGN(4);
    . = . + _stack_size;
    . = ALIGN(4);
    _sp = .;
  } > RAM

  PROVIDE(__stack = _sp);
}