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Equivalent of ioperm / iopl in linux mips ?

To: Linux-MIPS <>
Subject: Equivalent of ioperm / iopl in linux mips ?
From: Wayne Gowcher <>
Date: Fri, 19 Apr 2002 10:06:05 -0700 (PDT)
In-reply-to: <>

I would like to access Io ports from a user land
application. I found a MINI HOWTO giving an exmaple
using ioperm / iopl and then outb, inb. Searching the
mips source code I see that sys_ioperm returns
"ENOSYS" function not implemented.

Does anyone know how to implement ioperm / iopl type
functionality on a mips system. Any example code would
be appreciated.


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