[Micro] Some problems about riscv_spike micro device

There are some problems about how to use riscv-spike micro device, I sincerely hoped that someone can answer me why my riscv-spike device runs in a strange way.and show me how to use it properly.

My device config is like below: DEV_RISCV = micro.device.riscv_spike.generate_config(0x10000000, 0x20000, “”, 9824)

The information shows in spike is like below:

The spike shows that there are some unsupported commands when I use test_alloc() function in tvm/test/python/unittest/test_runtime_micro.py