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-rw-r--r--sys/vm/vm_user.c340
1 files changed, 0 insertions, 340 deletions
diff --git a/sys/vm/vm_user.c b/sys/vm/vm_user.c
deleted file mode 100644
index d717f6204c8..00000000000
--- a/sys/vm/vm_user.c
+++ /dev/null
@@ -1,340 +0,0 @@
-/* $OpenBSD: vm_user.c,v 1.3 1996/04/19 16:10:52 niklas Exp $ */
-/* $NetBSD: vm_user.c,v 1.13 1996/02/28 22:39:16 gwr Exp $ */
-
-/*
- * 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.
- *
- * @(#)vm_user.c 8.2 (Berkeley) 1/12/94
- *
- *
- * Copyright (c) 1987, 1990 Carnegie-Mellon University.
- * All rights reserved.
- *
- * Authors: Avadis Tevanian, Jr., Michael Wayne Young
- *
- * 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.
- */
-
-/*
- * User-exported virtual memory functions.
- */
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-
-#include <vm/vm.h>
-
-simple_lock_data_t vm_alloc_lock; /* XXX */
-
-#ifdef MACHVMCOMPAT
-/*
- * BSD style syscall interfaces to MACH calls
- * All return MACH return values.
- */
-struct svm_allocate_args {
- vm_map_t map;
- vm_offset_t *addr;
- vm_size_t size;
- boolean_t anywhere;
-};
-/* ARGSUSED */
-int
-svm_allocate(p, uap, retval)
- struct proc *p;
- struct svm_allocate_args *uap;
- register_t *retval;
-{
- vm_offset_t addr;
- int rv;
-
- SCARG(uap, map) = p->p_map; /* XXX */
-
- if (copyin((caddr_t)SCARG(uap, addr), (caddr_t)&addr, sizeof (addr)))
- rv = KERN_INVALID_ARGUMENT;
- else
- rv = vm_allocate(SCARG(uap, map), &addr, SCARG(uap, size),
- SCARG(uap, anywhere));
- if (rv == KERN_SUCCESS) {
- if (copyout((caddr_t)&addr, (caddr_t)SCARG(uap, addr),
- sizeof(addr)))
- rv = KERN_INVALID_ARGUMENT;
- }
- return((int)rv);
-}
-
-struct svm_deallocate_args {
- vm_map_t map;
- vm_offset_t addr;
- vm_size_t size;
-};
-/* ARGSUSED */
-int
-svm_deallocate(p, uap, retval)
- struct proc *p;
- struct svm_deallocate_args *uap;
- register_t *retval;
-{
- int rv;
-
- SCARG(uap, map) = p->p_map; /* XXX */
- rv = vm_deallocate(SCARG(uap, map), SCARG(uap, addr), SCARG(uap, size));
- return((int)rv);
-}
-
-struct svm_inherit_args {
- vm_map_t map;
- vm_offset_t addr;
- vm_size_t size;
- vm_inherit_t inherit;
-};
-/* ARGSUSED */
-int
-svm_inherit(p, uap, retval)
- struct proc *p;
- struct svm_inherit_args *uap;
- register_t *retval;
-{
- int rv;
-
- SCARG(uap, map) = p->p_map; /* XXX */
- rv = vm_inherit(SCARG(uap, map), SCARG(uap, addr), SCARG(uap, size),
- SCARG(uap, inherit));
- return((int)rv);
-}
-
-struct svm_protect_args {
- vm_map_t map;
- vm_offset_t addr;
- vm_size_t size;
- boolean_t setmax;
- vm_prot_t prot;
-};
-/* ARGSUSED */
-int
-svm_protect(p, uap, retval)
- struct proc *p;
- struct svm_protect_args *uap;
- register_t *retval;
-{
- int rv;
-
- SCARG(uap, map) = p->p_map; /* XXX */
- rv = vm_protect(SCARG(uap, map), SCARG(uap, addr), SCARG(uap, size),
- SCARG(uap, setmax), SCARG(uap, prot));
- return((int)rv);
-}
-
-/*
- * vm_inherit sets the inheritence of the specified range in the
- * specified map.
- */
-int
-vm_inherit(map, start, size, new_inheritance)
- register vm_map_t map;
- vm_offset_t start;
- vm_size_t size;
- vm_inherit_t new_inheritance;
-{
- if (map == NULL)
- return(KERN_INVALID_ARGUMENT);
-
- return(vm_map_inherit(map, trunc_page(start), round_page(start+size), new_inheritance));
-}
-
-/*
- * vm_protect sets the protection of the specified range in the
- * specified map.
- */
-
-int
-vm_protect(map, start, size, set_maximum, new_protection)
- register vm_map_t map;
- vm_offset_t start;
- vm_size_t size;
- boolean_t set_maximum;
- vm_prot_t new_protection;
-{
- if (map == NULL)
- return(KERN_INVALID_ARGUMENT);
-
- return(vm_map_protect(map, trunc_page(start), round_page(start+size), new_protection, set_maximum));
-}
-#endif
-
-/*
- * vm_allocate allocates "zero fill" memory in the specfied
- * map.
- */
-int
-vm_allocate(map, addr, size, anywhere)
- register vm_map_t map;
- register vm_offset_t *addr;
- register vm_size_t size;
- boolean_t anywhere;
-{
- int result;
-
- if (map == NULL)
- return(KERN_INVALID_ARGUMENT);
- if (size == 0) {
- *addr = 0;
- return(KERN_SUCCESS);
- }
-
- if (anywhere)
- *addr = vm_map_min(map);
- else
- *addr = trunc_page(*addr);
- size = round_page(size);
-
- result = vm_map_find(map, NULL, (vm_offset_t) 0, addr, size, anywhere);
-
- return(result);
-}
-
-/*
- * vm_deallocate deallocates the specified range of addresses in the
- * specified address map.
- */
-int
-vm_deallocate(map, start, size)
- register vm_map_t map;
- vm_offset_t start;
- vm_size_t size;
-{
- if (map == NULL)
- return(KERN_INVALID_ARGUMENT);
-
- if (size == (vm_offset_t) 0)
- return(KERN_SUCCESS);
-
- return(vm_map_remove(map, trunc_page(start), round_page(start+size)));
-}
-
-/*
- * Similar to vm_allocate but assigns an explicit pager.
- */
-int
-vm_allocate_with_pager(map, addr, size, anywhere, pager, poffset, internal)
- register vm_map_t map;
- register vm_offset_t *addr;
- register vm_size_t size;
- boolean_t anywhere;
- vm_pager_t pager;
- vm_offset_t poffset;
- boolean_t internal;
-{
- register vm_object_t object;
- register int result;
- vm_offset_t start;
-
- if (map == NULL)
- return(KERN_INVALID_ARGUMENT);
-
- *addr = trunc_page(*addr);
- size = round_page(size);
-
- /*
- * Lookup the pager/paging-space in the object cache.
- * If it's not there, then create a new object and cache
- * it.
- */
- object = vm_object_lookup(pager);
- cnt.v_lookups++;
- if (object == NULL) {
- object = vm_object_allocate(size);
- /*
- * From Mike Hibler: "unnamed anonymous objects should never
- * be on the hash list ... For now you can just change
- * vm_allocate_with_pager to not do vm_object_enter if this
- * is an internal object ..."
- */
- if (!internal)
- vm_object_enter(object, pager);
- } else
- cnt.v_hits++;
- if (internal)
- object->flags |= OBJ_INTERNAL;
- else {
- object->flags &= ~OBJ_INTERNAL;
- cnt.v_nzfod -= atop(size);
- }
-
- start = *addr;
- vm_map_lock(map);
- if (anywhere) {
- again:
- if (vm_map_findspace(map, start, size, addr))
- result = KERN_NO_SPACE;
- else {
-#ifdef PMAP_PREFER
- PMAP_PREFER(poffset, addr);
-#endif
- start = *addr;
- result = vm_map_insert(map, object, poffset,
- start, start + size);
- if (result == KERN_NO_SPACE)
- goto again;
- }
- } else
- result = vm_map_insert(map, object, poffset,
- start, start + size);
- vm_map_unlock(map);
-
- if (result != KERN_SUCCESS)
- vm_object_deallocate(object);
- else if (pager != NULL)
- vm_object_setpager(object, pager, (vm_offset_t) 0, TRUE);
- return(result);
-}
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