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The $Id$ line is normally at the bottom of the main comment block in the
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.\"
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Approved by: bde
90 lines
2.9 KiB
Groff
90 lines
2.9 KiB
Groff
.\" $NetBSD: store.9,v 1.2 1996/01/09 21:59:27 perry Exp $
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.\"
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.\" Copyright (c) 1996 Jason R. Thorpe.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed by Kenneth Stailey.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed for the NetBSD Project
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.\" by Jason R. Thorpe.
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.\" 4. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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.\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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.\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $Id$
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.\"
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.Dd Jan 7, 1996
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.Dt STORE 9
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.Os FreeBSD
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.Sh NAME
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.Nm store ,
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.Nm subyte ,
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.Nm susword ,
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.Nm suswintr ,
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.Nm suword
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.Nd store data to user-space
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.Sh SYNOPSIS
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.Fd #include <sys/types.h>
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.Fd #include <sys/time.h>
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.Fd #include <sys/systm.h>
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.Fd #include <sys/resourcevar.h>
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.Ft int
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.Fn subyte "void *base" "int byte"
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.Ft int
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.Fn susword "void *base" "int word"
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.Ft int
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.Fn suswintr "void *base" "int word"
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.Ft int
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.Fn suword "void *base" "long word"
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.Sh DESCRIPTION
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The
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.Nm
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functions are designed to copy small amounts of data to user-space.
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.Pp
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The
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.Nm
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routines provide the following functionality:
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.Bl -tag -width "suswintr()"
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.It Fn subyte
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Stores a byte of data to the user-space address
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.Pa base .
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.It Fn susword
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Stores a short word of data to the user-space address
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.Pa base .
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.It Fn suswintr
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Stores a short word of data to the user-space address
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.Pa base .
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This function is safe to call during an interrupt context.
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.It Fn suword
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Stores a word of data to the user-space address
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.Pa base .
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.El
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.Sh RETURN VALUES
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The
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.Nm
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functions return 0 on success or -1 on failure.
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.Sh SEE ALSO
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.Xr copy 9 ,
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.Xr fetch 9 .
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