RX210 ldscript example - providing Option Words

rx2108.ld

  /* Default value for Endian and Option Bytes is all binary-1's
   * which provide a reasonably safe (if slow) default.
   * Default Endian = Little-Endian
   */
  PROVIDE (__mdes = 0xFFFFFFFF);
  PROVIDE (__ofs0 = 0xFFFFFFFF);
  PROVIDE (__ofs1 = 0xFFFFFFFF);

  .endian (0xFFFFFF80) :
  {
    LONG (__mdes);
  }

  .option (0xFFFFFF88) :
  {
    LONG (__ofs0);
    LONG (__ofs1);
  }

  /* User-Boot codes, required to allow user bootloaders */
  PROVIDE (__ubcodea0 = 0x55736572);
  PROVIDE (__ubcodea1 = 0x426F6F74);
  PROVIDE (__ubcodeb0 = 0xFFFFFF07);
  PROVIDE (__ubcodeb1 = 0x0008C04C);

  .ubcode (0xFF7FFFE8) :
  {
    LONG (__ubcodea0);
    LONG (__ubcodea1);
    LONG (__ubcodeb0);
    LONG (__ubcodeb1);
  }


  /* E2 DataFlash */
  .dataflash : {
    PROVIDE (__dataflash = .);
  } > DATAFLASH

  /* JTAG password */
  PROVIDE (__idkey_0 = 0xFFFFFFFF);
  PROVIDE (__idkey_1 = 0xFFFFFFFF);
  PROVIDE (__idkey_2 = 0xFFFFFFFF);
  PROVIDE (__idkey_3 = 0xFFFFFFFF);

  .idkey (0xFFFFFFA0) :
  {
    LONG (__idkey_0);
    LONG (__idkey_1);
    LONG (__idkey_2);
    LONG (__idkey_3);
  }

  /* ROM protect bit */
  PROVIDE (__romprotect = 0xFFFFFFFF);

  .romprotect (0xFFFFFF9C) :
  {
    LONG (__romprotect);
  }