Generate GPS signal using verilog

In my project , I have to generate gps signal using verilog code. For this I need C/A code, random data, carrier signal. So first I have to do bpsk to random data and c/a code then do bpsk with carrier signal . I have given you c/a code you have generate random data , carrier signal and give me output code as well as pictures within 1 or 2 days.