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</o:shapelayout></xml><![endif]--></head><body lang=KO link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello all<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>From what I understand, to map io ports to virtual memory, we should use request_region, ioport_map/unmap and ioread/write functions.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>These are for architectures having input, output machine instructions like x86, x86_64. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>And the return address of ioport_map is physical address.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Is my understanding correct?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks!<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Chan Kim<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>