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authorDale Rahn <drahn@cvs.openbsd.org>2005-02-03 17:12:42 +0000
committerDale Rahn <drahn@cvs.openbsd.org>2005-02-03 17:12:42 +0000
commitbb799cebad71b5d407b6a837e80931b3ef3f2706 (patch)
tree0a11af8ea0400207cf3adcbf08b19f8cfe05477c /lib/libarch/arm/arm_drain_writebuf.2
parent6ff69b7c7a6296304cab1ffaba83dc4bf827d3d7 (diff)
libarch for arm, to allow for cache flushing.
manpage building and installation are currently commented out until the appropriate directory is determined.
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+.\" $OpenBSD: arm_drain_writebuf.2,v 1.1 2005/02/03 17:12:41 drahn Exp $
+.\" $NetBSD: arm_drain_writebuf.2,v 1.3 2004/02/13 09:56:47 wiz Exp $
+.\"
+.\" Copyright (c) 1997 Mark Brinicombe
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\" notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\" notice, this list of conditions and the following disclaimer in the
+.\" documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by Mark Brinicombe
+.\" 4. Neither the name of the University nor the names of its contributors
+.\" may be used to endorse or promote products derived from this software
+.\" without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.Dd March 29, 2002
+.Dt ARM_DRAIN_WRITEBUF 2 arm
+.Os
+.Sh NAME
+.Nm arm_drain_writebuf
+.Nd drains the CPU write buffer
+.Sh SYNOPSIS
+.In machine/sysarch.h
+.Ft int
+.Fn arm_drain_writebuf
+.Sh DESCRIPTION
+.Fn arm_drain_writebuf
+will make sure that all the entries in the processor write buffer are
+written out to memory.
+.Pp
+Not all processors support this operation (currently only the SA110 does).
+Those processes that do not, treat this function as a null-op.
+.Sh ERRORS
+.Fn arm_drain_writebuf
+will never fail so will always return 0.
+.Sh REFERENCES
+StrongARM Data Sheet