On Apr 12, 2005 10:51 AM, Mukund JB. <[EMAIL PROTECTED]> wrote: > > Hi all, > > I am into writing Linux device drivers. I have a query regarding usage > of inb, outb instruction in the drivers. > > What is the address we need to pass to inb, oub instructions? I mean, Is > it a Physical address or a Virtual address? > > Regards, > Mukund jampala
No, It is I/O port address. It is different from Memory address. In x86, I/O Port addresses are 16bit. Regards Manish Regmi -- --------------------------------------------------------- "Owning a hammer doesn't make one an architect" - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
