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求救
在用ds生成一个isa 驱动程序时在edit port resource 页,中有一个参数alignment,请问是什么意思? :D
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沙发#
发布于:2002-12-19 17:37
The alignment, in bytes, that the assigned starting address must adhere to. The assigned starting address must be devisable by Alignment.
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板凳#
发布于:2002-12-19 17:39
在用ds生成一个isa 驱动程序时在edit port resource 页,中有一个参数alignment,请问是什么意思? :D 以字节BYTE为单位进行读写, alignment=1 以字WORD为单位进行读写, alignment=2 以双字DWORD为单位进行读写,alignment=4 |
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