问题发生在抄学长的代码,运行模拟文件时报错: [Place 30-494] The design is empty 原因大概是因为模拟文件中没有输入/输出,所以被 Vivado 优化掉之后设计文件就空了,运行不出来模拟图像。 解决方案: 在CPU 顶层文件中加入 (* DONT_TOUCH = "TRUE" *) ,这样信号就可以在模拟结果中显示了。
Place_design ERROR: [Place 30-494] The design is empty Why does this error occur? Solution The following will result in a blank design: open_checkpoint top.dcplink_design Because Open Checkpoint already loads a design, issuing an additional "link_design" command will actually open an ...
place_ports device_1 V7 save_constraints launch_runs impl_1 -to_step write_bitstream -jobs 8 INFO: [Timing 38-480] Writing timing data to binary archive. Write ShapeDB Complete: Time (s): cpu = 00:00:00 ; elapsed = 00:00:00.002 . Memory (MB): peak = 4792.707 ; gain = ...