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dsp主要是向共享区写数据，单独仿真的时候没有问题，难道用linux syslink加载的程序需要特殊处理？
可以参考IPC里面的DEMO来做
如果操作共享区域，一般LINUX要把这段RESERVE出来，通过IO_REMAP来访问。
DSP这边要把这段加到resource table里面
