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authormycroft <mycroft@NetBSD.org>1995-10-15 02:25:07 +0000
committermycroft <mycroft@NetBSD.org>1995-10-15 02:25:07 +0000
commit8ca3cf6c41b820ec31445130dec79dc5ed2bdfc4 (patch)
tree1bb19515664c60f8b5f5dc6f57a406cce9fb9b18 /lib/libarch
parent81ae32e332d0d7edbeca918d38312c3ecf58cab7 (diff)
Add new sysarch calls, and fix #includes.
Diffstat (limited to 'lib/libarch')
-rw-r--r--lib/libarch/i386/Makefile.inc9
-rw-r--r--lib/libarch/i386/i386_get_ioperm.280
-rw-r--r--lib/libarch/i386/i386_get_ioperm.c46
-rw-r--r--lib/libarch/i386/i386_get_ldt.c2
-rw-r--r--lib/libarch/i386/i386_iopl.266
-rw-r--r--lib/libarch/i386/i386_iopl.c46
-rw-r--r--lib/libarch/i386/i386_set_ioperm.c46
-rw-r--r--lib/libarch/i386/i386_set_ldt.c2
8 files changed, 294 insertions, 3 deletions
diff --git a/lib/libarch/i386/Makefile.inc b/lib/libarch/i386/Makefile.inc
index b0a354cbf31..9c967b8fbe1 100644
--- a/lib/libarch/i386/Makefile.inc
+++ b/lib/libarch/i386/Makefile.inc
@@ -2,8 +2,11 @@
.PATH: ${LIBC}/i386
-SRCS+= i386_get_ldt.c i386_set_ldt.c
+SRCS+= i386_get_ldt.c i386_set_ldt.c \
+ i386_iopl.c i386_get_ioperm.c i386_set_ioperm.c
-MAN+= i386_get_ldt.2
+MAN+= i386_get_ldt.2 \
+ i386_iopl.2 i386_get_ioperm.2
-MLINKS+=i386_get_ldt.2 i386_set_ldt.2
+MLINKS+=i386_get_ldt.2 i386_set_ldt.2 \
+ i386_get_ioperm.2 i386_set_ioperm.2
diff --git a/lib/libarch/i386/i386_get_ioperm.2 b/lib/libarch/i386/i386_get_ioperm.2
new file mode 100644
index 00000000000..6c6da8f12ec
--- /dev/null
+++ b/lib/libarch/i386/i386_get_ioperm.2
@@ -0,0 +1,80 @@
+.\" Copyright (c) 1980, 1991 Regents of the University of California.
+.\" 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 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: @(#)fork.2 6.5 (Berkeley) 3/10/91
+.\" $Id: i386_get_ioperm.2,v 1.1 1995/10/15 02:29:09 mycroft Exp $
+.\"
+.Dd October 14, 1995
+.Dt I386_GET_IOPERM 2
+.Os NetBSD
+.Sh NAME
+.Nm i386_get_ioperm ,
+.Nm i386_set_ioperm
+.Nd manage i386 per-process I/O permission bitmap
+.Sh SYNOPSIS
+.Fd #include <machine/sysarch.h>
+.Ft int
+.Fn i386_get_ioperm "u_long *iomap"
+.Ft int
+.Fn i386_set_ioperm "u_long *iomap"
+.Sh DESCRIPTION
+.Fn i386_get_ioperm
+copies the current I/O permission bitmap into the memory referenced by
+.Ar iomap .
+.Pp
+.Fn i386_set_ioperm
+sets the I/O permission bitmap from the data pointed to by
+.Ar iomap .
+This call is restricted to the super-user.
+.Sh RETURN VALUES
+Upon successful completion,
+.Fn i386_get_ioperm
+and
+.Fn i386_set_ioperm
+return 0.
+Otherwise, a value of -1 is returned and the global
+variable
+.Va errno
+is set to indicate the error.
+.Sh ERRORS
+.Fn i386_get_ioperm
+and
+.Fn i386_set_ioperm
+will fail if:
+.Bl -tag -width [EINVAL]
+.It Bq Er EFAULT
+.Ar Iomap
+points outside the process's allocated address space.
+.It Bq Er EPERM
+The caller was not the super-user.
+.El
+.Sh REFERENCES
+i386 Microprocessor Programmer's Reference Manual, Intel
diff --git a/lib/libarch/i386/i386_get_ioperm.c b/lib/libarch/i386/i386_get_ioperm.c
new file mode 100644
index 00000000000..b794b06dcbd
--- /dev/null
+++ b/lib/libarch/i386/i386_get_ioperm.c
@@ -0,0 +1,46 @@
+/* $NetBSD: i386_get_ioperm.c,v 1.1 1995/10/15 02:29:10 mycroft Exp $ */
+
+/*
+ * Copyright (c) 1995 Charles M. Hannum. 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 Charles M. Hannum.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <machine/sysarch.h>
+
+int
+i386_get_ioperm(iomap)
+ u_long *iomap;
+{
+ struct i386_get_ioperm_args p;
+
+ p.iomap = iomap;
+
+ return sysarch(I386_GET_IOPERM, (char *)&p);
+}
diff --git a/lib/libarch/i386/i386_get_ldt.c b/lib/libarch/i386/i386_get_ldt.c
index 45f0a4fff4e..a6fccc1eb14 100644
--- a/lib/libarch/i386/i386_get_ldt.c
+++ b/lib/libarch/i386/i386_get_ldt.c
@@ -28,6 +28,8 @@
*/
#include <sys/cdefs.h>
+#include <sys/types.h>
+
#include <machine/segments.h>
#include <machine/sysarch.h>
diff --git a/lib/libarch/i386/i386_iopl.2 b/lib/libarch/i386/i386_iopl.2
new file mode 100644
index 00000000000..45cfce0107b
--- /dev/null
+++ b/lib/libarch/i386/i386_iopl.2
@@ -0,0 +1,66 @@
+.\" Copyright (c) 1980, 1991 Regents of the University of California.
+.\" 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 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: @(#)fork.2 6.5 (Berkeley) 3/10/91
+.\" $Id: i386_iopl.2,v 1.1 1995/10/15 02:29:11 mycroft Exp $
+.\"
+.Dd October 14, 1995
+.Dt I386_IOPL 2
+.Os NetBSD
+.Sh NAME
+.Nm i386_iopl
+.Nd change the i386 I/O privilege level
+.Sh SYNOPSIS
+.Fd #include <machine/sysarch.h>
+.Ft int
+.Fn i386_iopl "int iopl"
+.Sh DESCRIPTION
+.Fn i386_iopl
+sets the i386 I/O privilege level to the value specified by
+.Ar iomap .
+This call is restricted to the super-user.
+.Sh RETURN VALUES
+Upon successful completion,
+.Fn i386_iopl
+returns 0.
+Otherwise, a value of -1 is returned and the global
+variable
+.Va errno
+is set to indicate the error.
+.Sh ERRORS
+.Fn i386_iopl
+will fail if:
+.Bl -tag -width [EINVAL]
+.It Bq Er EPERM
+The caller was not the super-user.
+.El
+.Sh REFERENCES
+i386 Microprocessor Programmer's Reference Manual, Intel
diff --git a/lib/libarch/i386/i386_iopl.c b/lib/libarch/i386/i386_iopl.c
new file mode 100644
index 00000000000..22be4a9a328
--- /dev/null
+++ b/lib/libarch/i386/i386_iopl.c
@@ -0,0 +1,46 @@
+/* $NetBSD: i386_iopl.c,v 1.1 1995/10/15 02:29:12 mycroft Exp $ */
+
+/*
+ * Copyright (c) 1995 Charles M. Hannum. 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 Charles M. Hannum.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <machine/sysarch.h>
+
+int
+i386_iopl(iopl)
+ int iopl;
+{
+ struct i386_iopl_args p;
+
+ p.iopl = iopl;
+
+ return sysarch(I386_IOPL, (char *)&p);
+}
diff --git a/lib/libarch/i386/i386_set_ioperm.c b/lib/libarch/i386/i386_set_ioperm.c
new file mode 100644
index 00000000000..d1976f4a078
--- /dev/null
+++ b/lib/libarch/i386/i386_set_ioperm.c
@@ -0,0 +1,46 @@
+/* $NetBSD: i386_set_ioperm.c,v 1.1 1995/10/15 02:29:13 mycroft Exp $ */
+
+/*
+ * Copyright (c) 1995 Charles M. Hannum. 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 Charles M. Hannum.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
+ */
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+#include <machine/sysarch.h>
+
+int
+i386_set_ioperm(iomap)
+ u_long *iomap;
+{
+ struct i386_set_ioperm_args p;
+
+ p.iomap = iomap;
+
+ return sysarch(I386_SET_IOPERM, (char *)&p);
+}
diff --git a/lib/libarch/i386/i386_set_ldt.c b/lib/libarch/i386/i386_set_ldt.c
index 26a56e674a9..25bc1f328d3 100644
--- a/lib/libarch/i386/i386_set_ldt.c
+++ b/lib/libarch/i386/i386_set_ldt.c
@@ -28,6 +28,8 @@
*/
#include <sys/cdefs.h>
+#include <sys/types.h>
+
#include <machine/segments.h>
#include <machine/sysarch.h>