Re: Freebsd assembly programming - IN/OUT commands.

From: Bruce M Simpson (bms_at_spc.org)
Date: 10/17/04

  • Next message: Bruce M Simpson: "Re: How to access a device on LPC bus?" 
    Date: Sun, 17 Oct 2004 14:00:42 -0700
To: Jan Opacki <opacki@acn.waw.pl>

    On Sun, Oct 17, 2004 at 09:46:29PM +0200, Jan Opacki wrote:
    > Thanks for help. i386_set_ioperm() is exactly what i need.

    I have to say though I've had processes dump core the first time I've
    tried doing I/O port accesses after calling i386_set_ioperm() on 5.x
    since 5.0. This behaviour is sporadic. With opening /dev/io, I have
    had no problem.

    Also, the /dev/io method appears to work on amd64, whereas the
    i386_set_ioperm() method does not.

    BMS
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  • Next message: Bruce M Simpson: "Re: How to access a device on LPC bus?"

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