ISE/EDK中提供的免费IP核并不都是最后可以生成bit文件的,比如EDK工程添加APU Floating Point Unit IP 核,生成硬件Netlist时就会报错:
ERROR:Xst:1484 - A core is unlicensed !
ERROR:MDT - Aborting XST flow execution!
INFO:MDT - Refer to
d:\Projects\EDK_Projects\synthesis\apu_fpu_0_wrapper_xst.srp for details