F29H859TU-Q1: Compiler building question

Part Number: F29H859TU-Q1

1. As following figure,  code_start() function is located at 0x20103A20, but cmd file define 
   0x20100000, why didn't the code_start() function locate to 0x2001000 addresss? reffer to led_ex1_blinky_cpu1_cpu3_multi example in SDK package;