BSD 4.4 Lite Kernel Sources

1 files changed, 122 insertions, 0 deletions

diff --git a/sys/vm/pmap.h b/sys/vm/pmap.h
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+/* 
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * The Mach Operating System project at Carnegie-Mellon University.
+ *
+ * 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.
+ *
+ *	@(#)pmap.h	8.1 (Berkeley) 6/11/93
+ *
+ *
+ * Copyright (c) 1987, 1990 Carnegie-Mellon University.
+ * All rights reserved.
+ *
+ * Author: Avadis Tevanian, Jr.
+ * 
+ * Permission to use, copy, modify and distribute this software and
+ * its documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 
+ * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ *
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ *
+ * any improvements or extensions that they make and grant Carnegie the
+ * rights to redistribute these changes.
+ */
+
+/*
+ *	Machine address mapping definitions -- machine-independent
+ *	section.  [For machine-dependent section, see "machine/pmap.h".]
+ */
+
+#ifndef	_PMAP_VM_
+#define	_PMAP_VM_
+
+/*
+ * Each machine dependent implementation is expected to
+ * keep certain statistics.  They may do this anyway they
+ * so choose, but are expected to return the statistics
+ * in the following structure.
+ */
+struct pmap_statistics {
+	long		resident_count;	/* # of pages mapped (total)*/
+	long		wired_count;	/* # of pages wired */
+};
+typedef struct pmap_statistics	*pmap_statistics_t;
+
+#include <machine/pmap.h>
+
+#ifdef KERNEL
+__BEGIN_DECLS
+void		*pmap_bootstrap_alloc __P((int));
+void		 pmap_bootstrap( /* machine dependent */ );
+void		 pmap_change_wiring __P((pmap_t, vm_offset_t, boolean_t));
+void		 pmap_clear_modify __P((vm_offset_t pa));
+void		 pmap_clear_reference __P((vm_offset_t pa));
+void		 pmap_collect __P((pmap_t));
+void		 pmap_copy __P((pmap_t,
+		    pmap_t, vm_offset_t, vm_size_t, vm_offset_t));
+void		 pmap_copy_page __P((vm_offset_t, vm_offset_t));
+pmap_t		 pmap_create __P((vm_size_t));
+void		 pmap_destroy __P((pmap_t));
+void		 pmap_enter __P((pmap_t,
+		    vm_offset_t, vm_offset_t, vm_prot_t, boolean_t));
+vm_offset_t	 pmap_extract __P((pmap_t, vm_offset_t));
+void		 pmap_init __P((vm_offset_t, vm_offset_t));
+boolean_t	 pmap_is_modified __P((vm_offset_t pa));
+boolean_t	 pmap_is_referenced __P((vm_offset_t pa));
+vm_offset_t	 pmap_map __P((vm_offset_t, vm_offset_t, vm_offset_t, int));
+void		 pmap_page_protect __P((vm_offset_t, vm_prot_t));
+void		 pmap_pageable __P((pmap_t,
+		    vm_offset_t, vm_offset_t, boolean_t));
+vm_offset_t	 pmap_phys_address __P((int));
+void		 pmap_pinit __P((pmap_t));
+void		 pmap_protect __P((pmap_t,
+		    vm_offset_t, vm_offset_t, vm_prot_t));
+void		 pmap_reference __P((pmap_t));
+void		 pmap_release __P((pmap_t));
+void		 pmap_remove __P((pmap_t, vm_offset_t, vm_offset_t));
+void		 pmap_update __P((void));
+void		 pmap_zero_page __P((vm_offset_t));
+__END_DECLS
+#endif
+
+#endif /* _PMAP_VM_ */