你好!请问Message Address Register 和 Message data字段描述及格式怎么样?
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你好!请问Message Address Register 和 Message data字段描述及格式怎么样?
MSI_DATA寄存器的值是用来写入到MSI_IRQ中的,所以和MSI_IRQ的格式一致
Message Address 分高32bits和低32bits
具体请参考PCIE userguide