mem(4) for alpha and sparc64.

4 files changed, 176 insertions, 5 deletions

diff --git a/share/man/man4/man4.alpha/Makefile b/share/man/man4/man4.alpha/Makefile
index ebaf3fef34b..2d42ca19fe0 100644
--- a/share/man/man4/man4.alpha/Makefile
+++ b/share/man/man4/man4.alpha/Makefile
@@ -1,6 +1,7 @@
-#	$OpenBSD: Makefile,v 1.8 2001/06/20 16:27:27 mpech Exp $
+#	$OpenBSD: Makefile,v 1.9 2001/10/05 00:16:55 miod Exp $
 
-MAN=	com.4 cy.4 esp.4 intro.4 le.4 lpt.4 pms.4 scc.4 wd.4
+MAN=	com.4 cy.4 esp.4 intro.4 le.4 lpt.4 mem.4 pms.4 scc.4 wd.4
+MLINKS=	mem.4 kmem.4
 MANSUBDIR=alpha
 
 .include <bsd.prog.mk>
diff --git a/share/man/man4/man4.alpha/mem.4 b/share/man/man4/man4.alpha/mem.4
new file mode 100644
index 00000000000..2f6d218aeff
--- /dev/null
+++ b/share/man/man4/man4.alpha/mem.4
@@ -0,0 +1,85 @@
+.\"	$OpenBSD: mem.4,v 1.1 2001/10/05 00:16:55 miod Exp $
+.\" Copyright (c) 1992, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This software was developed by the Computer Systems Engineering group
+.\" at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+.\" contributed to Berkeley.
+.\"
+.\" 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 the University of
+.\"	California, Berkeley and its contributors.
+.\" 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 REGENTS 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 REGENTS 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.
+.\"
+.\"     from: @(#)mem.4	8.1 (Berkeley) 6/5/93
+.\"
+.Dd October 5, 2001
+.Dt MEM 4 alpha
+.Os
+.Sh NAME
+.Nm mem ,
+.Nm kmem
+.Nd main memory
+.Sh DESCRIPTION
+The file
+.Nm /dev/mem
+is an interface to the physical memory of the
+computer.
+Byte offsets in this file are interpreted as physical memory addresses.
+Reading and writing this file is equivalent to reading and writing
+memory itself.
+An error will be returned if an attempt is made to reference
+an offset outside of
+.Nm /dev/mem .
+.Pp
+Kernel virtual memory is accessed via the file
+.Nm /dev/kmem
+in the same manner as
+.Nm /dev/mem .
+Only kernel virtual addresses that are currently mapped to memory are allowed.
+.Sh ALPHA
+On the
+.Tn alpha ,
+physical memory may be discontiguous;
+kernel virtual memory begins at
+.Li 0xfffffc0000230000 .
+.Pp
+Writeability of these devices is controlled by the system
+.Xr securelevel 7 .
+.Sh FILES
+.Bl -tag -width /dev/kmem -compact
+.It Pa /dev/mem
+.It Pa /dev/kmem
+.El
+.Sh SEE ALSO
+.Xr securelevel 7
+.Sh HISTORY
+The files
+.Nm mem
+and
+.Nm kmem
+appeared in
+.At v6 .
diff --git a/share/man/man4/man4.sparc64/Makefile b/share/man/man4/man4.sparc64/Makefile
index 0afdbd56d3f..ad47a5e951a 100644
--- a/share/man/man4/man4.sparc64/Makefile
+++ b/share/man/man4/man4.sparc64/Makefile
@@ -1,7 +1,7 @@
-#	$OpenBSD: Makefile,v 1.2 2001/10/04 22:03:59 miod Exp $
-
-MAN=	autoconf.4 intro.4
+#	$OpenBSD: Makefile,v 1.3 2001/10/05 00:16:57 miod Exp $
 
+MAN=	autoconf.4 intro.4 mem.4
+MLINKS=	mem.4 kmem.4
 MANSUBDIR=sparc64
 
 .include <bsd.prog.mk>
diff --git a/share/man/man4/man4.sparc64/mem.4 b/share/man/man4/man4.sparc64/mem.4
new file mode 100644
index 00000000000..b7f154102b6
--- /dev/null
+++ b/share/man/man4/man4.sparc64/mem.4
@@ -0,0 +1,85 @@
+.\"	$OpenBSD: mem.4,v 1.1 2001/10/05 00:16:57 miod Exp $
+.\" Copyright (c) 1992, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" This software was developed by the Computer Systems Engineering group
+.\" at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
+.\" contributed to Berkeley.
+.\"
+.\" 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 the University of
+.\"	California, Berkeley and its contributors.
+.\" 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 REGENTS 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 REGENTS 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.
+.\"
+.\"     from: @(#)mem.4	8.1 (Berkeley) 6/5/93
+.\"
+.Dd October 5, 2001
+.Dt MEM 4 sparc64
+.Os
+.Sh NAME
+.Nm mem ,
+.Nm kmem
+.Nd main memory
+.Sh DESCRIPTION
+The file
+.Nm /dev/mem
+is an interface to the physical memory of the
+computer.
+Byte offsets in this file are interpreted as physical memory addresses.
+Reading and writing this file is equivalent to reading and writing
+memory itself.
+An error will be returned if an attempt is made to reference
+an offset outside of
+.Nm /dev/mem .
+.Pp
+Kernel virtual memory is accessed via the file
+.Nm /dev/kmem
+in the same manner as
+.Nm /dev/mem .
+Only kernel virtual addresses that are currently mapped to memory are allowed.
+.Sh SPARC64
+On the
+sparc64,
+physical memory may be discontiguous;
+kernel virtual memory begins at
+.Li 0x001000000 .
+.Pp
+Writeability of these devices is controlled by the system
+.Xr securelevel 7 .
+.Sh FILES
+.Bl -tag -width /dev/kmem -compact
+.It Pa /dev/mem
+.It Pa /dev/kmem
+.El
+.Sh SEE ALSO
+.Xr securelevel 7
+.Sh HISTORY
+The files
+.Nm mem
+and
+.Nm kmem
+appeared in
+.At v6 .