一个特别简单的系统,只有CPU和IO口,内部2KRAM按NIOS里的LED程序自动生成,把地址改为IO口输出的地址,Build的时候总是有下面的问题,有高人可以解答一下吗?

make -s all includes
Compiling hello_led.c...
Linking hello_led_0.elf...
Info: (hello_led_0.elf) 668 Bytes program size (code + initialized data).
Info: 1380 Bytes free for stack + heap.
Creating generated_app.sh...
Post-processing to create ram.hex
Hardware simulation is not enabled for the target SOPC Builder system. Skipping creation of hardware simulation model contents and simulation symbol files. (Note: This does not affect the instruction set simulator.)
Build completed in 12.344 seconds