r0drv/freebsd/memobj-r0drv-freebsd.c

	memobj-r0drv-freebsd.c revision d9a86bd327291cd44d5f6da6e08bec728aae68bb
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/* $Id$ */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/** @file
5b281ba489ca18f0380d7efc7a5108b606cce449vboxsync * IPRT - Ring-0 Memory Objects, FreeBSD.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/*
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * Copyright (c) 2007 knut st. osmundsen <bird-src-spam@anduin.net>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync *
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * Permission is hereby granted, free of charge, to any person
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * obtaining a copy of this software and associated documentation
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * files (the "Software"), to deal in the Software without
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * restriction, including without limitation the rights to use,
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * copy, modify, merge, publish, distribute, sublicense, and/or sell
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * copies of the Software, and to permit persons to whom the
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * Software is furnished to do so, subject to the following
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * conditions:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync *
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * The above copyright notice and this permission notice shall be
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * included in all copies or substantial portions of the Software.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync *
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * OTHER DEALINGS IN THE SOFTWARE.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/*******************************************************************************
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync*   Header Files                                                               *
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync*******************************************************************************/
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include "the-freebsd-kernel.h"
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include <iprt/memobj.h>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include <iprt/mem.h>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include <iprt/err.h>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include <iprt/assert.h>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include <iprt/log.h>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include <iprt/param.h>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include <iprt/process.h>
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#include "internal/memobj.h"
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
c889bbab784ba8552102ce776b6c67b982017861vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/*******************************************************************************
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync*   Structures and Typedefs                                                    *
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync*******************************************************************************/
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/**
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * The FreeBSD version of the memory object structure.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsynctypedef struct RTR0MEMOBJFREEBSD
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /** The core structure. */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    RTR0MEMOBJINTERNAL  Core;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync    /** The VM object associated with the allocation. */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    vm_object_t         pObject;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    /** the VM object associated with the mapping.
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     * In mapping mem object, this is the shadow object?
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     * In a allocation/enter mem object, this is the shared object we constructed (contig, perhaps alloc). */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    vm_object_t         pMappingObject;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync} RTR0MEMOBJFREEBSD, *PRTR0MEMOBJFREEBSD;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
5b281ba489ca18f0380d7efc7a5108b606cce449vboxsyncMALLOC_DEFINE(M_IPRTMOBJ, "iprtmobj", "IPRT - R0MemObj");
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/*******************************************************************************
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync*   Internal Functions                                                         *
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync*******************************************************************************/
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeFree(RTR0MEMOBJ pMem)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)pMem;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    switch (pMemFreeBSD->Core.enmType)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync        case RTR0MEMOBJTYPE_CONT:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            contigfree(pMemFreeBSD->Core.pv, pMemFreeBSD->Core.cb, M_IPRTMOBJ);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (pMemFreeBSD->pMappingObject)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                rc = vm_map_remove(kernel_map,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                                   (vm_offset_t)pMemFreeBSD->Core.pv,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                   (vm_offset_t)pMemFreeBSD->Core.pv + pMemFreeBSD->Core.cb);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                AssertMsg(rc == KERN_SUCCESS, ("%#x", rc));
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            }
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync            break;
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_PAGE:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (pMemFreeBSD->pObject)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                rc = vm_map_remove(kernel_map,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                                   (vm_offset_t)pMemFreeBSD->Core.pv,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                   (vm_offset_t)pMemFreeBSD->Core.pv + pMemFreeBSD->Core.cb);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                AssertMsg(rc == KERN_SUCCESS, ("%#x", rc));
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            else
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            {
b367610a6f6221996e1c27d38fcecd465140ad58vboxsync                contigfree(pMemFreeBSD->Core.pv, pMemFreeBSD->Core.cb, M_IPRTMOBJ);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                if (pMemFreeBSD->pMappingObject)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                    rc = vm_map_remove(kernel_map,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                                       (vm_offset_t)pMemFreeBSD->Core.pv,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                       (vm_offset_t)pMemFreeBSD->Core.pv + pMemFreeBSD->Core.cb);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                    AssertMsg(rc == KERN_SUCCESS, ("%#x", rc));
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            break;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_LOCK:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        {
445661c86e95894713da707c6c9787b7507dfce6vboxsync            int fFlags = VM_MAP_WIRE_NOHOLES;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            vm_map_t pMap = kernel_map;
445661c86e95894713da707c6c9787b7507dfce6vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (pMemFreeBSD->Core.u.Lock.R0Process != NIL_RTR0PROCESS)
445661c86e95894713da707c6c9787b7507dfce6vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                pMap = &((struct proc *)pMemFreeBSD->Core.u.Lock.R0Process)->p_vmspace->vm_map;
445661c86e95894713da707c6c9787b7507dfce6vboxsync                fFlags |= VM_MAP_WIRE_USER;
445661c86e95894713da707c6c9787b7507dfce6vboxsync            }
445661c86e95894713da707c6c9787b7507dfce6vboxsync            else
445661c86e95894713da707c6c9787b7507dfce6vboxsync                fFlags |= VM_MAP_WIRE_SYSTEM;
445661c86e95894713da707c6c9787b7507dfce6vboxsync
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync            rc = vm_map_unwire(pMap,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv + pMemFreeBSD->Core.cb,
445661c86e95894713da707c6c9787b7507dfce6vboxsync                               fFlags);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            AssertMsg(rc == KERN_SUCCESS, ("%#x", rc));
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            break;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_RES_VIRT:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            vm_map_t pMap = kernel_map;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (pMemFreeBSD->Core.u.Lock.R0Process != NIL_RTR0PROCESS)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                pMap = &((struct proc *)pMemFreeBSD->Core.u.Lock.R0Process)->p_vmspace->vm_map;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            rc = vm_map_remove(pMap,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv + pMemFreeBSD->Core.cb);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            AssertMsg(rc == KERN_SUCCESS, ("%#x", rc));
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            break;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_MAPPING:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        {
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            vm_map_t pMap = kernel_map;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            /* vm_map_remove will unmap the pages we inserted with pmap_enter */
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            AssertMsg(pMemFreeBSD->pMappingObject != NULL, ("MappingObject is NULL\n"));
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            if (pMemFreeBSD->Core.u.Mapping.R0Process != NIL_RTR0PROCESS)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                pMap = &((struct proc *)pMemFreeBSD->Core.u.Mapping.R0Process)->p_vmspace->vm_map;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            rc = vm_map_remove(pMap,
c889bbab784ba8552102ce776b6c67b982017861vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv,
c889bbab784ba8552102ce776b6c67b982017861vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv + pMemFreeBSD->Core.cb);
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            AssertMsg(rc == KERN_SUCCESS, ("%#x", rc));
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            break;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync        /* unused: */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_LOW:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_PHYS:
c5d2523548cc57504b829f53f1362b848a84542cvboxsync        case RTR0MEMOBJTYPE_PHYS_NC:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        default:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            AssertMsgFailed(("enmType=%d\n", pMemFreeBSD->Core.enmType));
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return VERR_INTERNAL_ERROR;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeAllocPage(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    size_t cPages = cb >> PAGE_SHIFT;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* create the object. */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_PAGE, NULL, cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (!pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VERR_NO_MEMORY;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    pMemFreeBSD->pObject = vm_object_allocate(OBJT_DEFAULT, cPages);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (pMemFreeBSD->pObject)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        vm_offset_t MapAddress = vm_map_min(kernel_map);
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync        rc = vm_map_find(kernel_map,                    /* map */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         pMemFreeBSD->pObject,          /* object */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         0,                             /* offset */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         &MapAddress,                   /* addr (IN/OUT) */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         cb,                            /* length */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         TRUE,                          /* find_space */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         fExecutable                    /* protection */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         ? VM_PROT_ALL
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         : VM_PROT_RW,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         VM_PROT_ALL,                   /* max(_prot) */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         FALSE);                        /* cow (copy-on-write) */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        if (rc == KERN_SUCCESS)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        {
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            vm_offset_t AddressDst = MapAddress;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            rc = VINF_SUCCESS;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            VM_OBJECT_LOCK(pMemFreeBSD->pObject);
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            for (size_t iPage = 0; iPage < cPages; iPage++)
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            {
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                vm_pindex_t PageIndex = OFF_TO_IDX(AddressDst);
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                vm_page_t   pPage;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                pPage = vm_page_alloc(pMemFreeBSD->pObject, PageIndex,
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                                      VM_ALLOC_NOBUSY | VM_ALLOC_SYSTEM |
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                                      VM_ALLOC_WIRED);
1829a716128b3e2d42bcee064a15c553dbd44798vboxsync
1829a716128b3e2d42bcee064a15c553dbd44798vboxsync#if __FreeBSD_version >= 800000 /** @todo Find exact version number */
1829a716128b3e2d42bcee064a15c553dbd44798vboxsync                /* Fixes crashes during VM termination on FreeBSD8-CURRENT amd64
1829a716128b3e2d42bcee064a15c553dbd44798vboxsync                 * with kernel debugging enabled. */
1829a716128b3e2d42bcee064a15c553dbd44798vboxsync                vm_page_set_valid(pPage, 0, PAGE_SIZE);
1829a716128b3e2d42bcee064a15c553dbd44798vboxsync#endif
1829a716128b3e2d42bcee064a15c553dbd44798vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                if (pPage)
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                {
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    vm_page_lock_queues();
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    vm_page_wire(pPage);
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    vm_page_unlock_queues();
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    /* Put the page into the page table now. */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync#if __FreeBSD_version >= 701105
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    pmap_enter(kernel_map->pmap, AddressDst, VM_PROT_NONE, pPage,
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               fExecutable
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               ? VM_PROT_ALL
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               : VM_PROT_RW,
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               TRUE);
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync#else
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    pmap_enter(kernel_map->pmap, AddressDst, pPage,
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               fExecutable
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               ? VM_PROT_ALL
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               : VM_PROT_RW,
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                               TRUE);
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync#endif
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                }
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                else
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                {
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    /*
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                     * Allocation failed. vm_map_remove will remove any
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                     * page already alocated.
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                     */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    rc = VERR_NO_MEMORY;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                    break;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                }
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                AddressDst += PAGE_SIZE;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            }
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            VM_OBJECT_UNLOCK(pMemFreeBSD->pObject);
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            if (rc == VINF_SUCCESS)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                pMemFreeBSD->Core.pv = (void *)MapAddress;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                *ppMem = &pMemFreeBSD->Core;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                return VINF_SUCCESS;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            vm_map_remove(kernel_map,
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                          MapAddress,
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                          MapAddress + cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        rc = VERR_NO_MEMORY; /** @todo fix translation (borrow from darwin) */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    else
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        rc = VERR_NO_MEMORY;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    rtR0MemObjDelete(&pMemFreeBSD->Core);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return rc;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeAllocLow(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    /*
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     * Try a Alloc first and see if we get luck, if not try contigmalloc.
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     * Might wish to try find our own pages or something later if this
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     * turns into a problemspot on AMD64 boxes.
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc = rtR0MemObjNativeAllocPage(ppMem, cb, fExecutable);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (RT_SUCCESS(rc))
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        size_t iPage = cb >> PAGE_SHIFT;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        while (iPage-- > 0)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (rtR0MemObjNativeGetPagePhysAddr(*ppMem, iPage) > (_4G - PAGE_SIZE))
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                RTR0MemObjFree(*ppMem, false);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                *ppMem = NULL;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                rc = VERR_NO_MEMORY;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                break;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (RT_FAILURE(rc))
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        rc = rtR0MemObjNativeAllocCont(ppMem, cb, fExecutable);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return rc;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeAllocCont(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* create the object. */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_CONT, NULL, cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (!pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* do the allocation. */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    pMemFreeBSD->Core.pv = contigmalloc(cb,                   /* size */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync                                        M_IPRTMOBJ,           /* type */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync                                        M_NOWAIT | M_ZERO,    /* flags */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync                                        0,                    /* lowest physical address*/
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync                                        _4G-1,                /* highest physical address */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync                                        PAGE_SIZE,            /* alignment. */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync                                        0);                   /* boundrary */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    if (pMemFreeBSD->Core.pv)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync        pMemFreeBSD->Core.u.Cont.Phys = vtophys(pMemFreeBSD->Core.pv);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        *ppMem = &pMemFreeBSD->Core;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    NOREF(fExecutable);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    rtR0MemObjDelete(&pMemFreeBSD->Core);
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
041d531fb5794a8a4cf6c35886d89ec25cbbdde2vboxsyncint rtR0MemObjNativeAllocPhys(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, RTHCPHYS PhysHighest, size_t uAlignment)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    /** @todo check if there is a more appropriate API somewhere.. */
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
041d531fb5794a8a4cf6c35886d89ec25cbbdde2vboxsync    /** @todo */
041d531fb5794a8a4cf6c35886d89ec25cbbdde2vboxsync    if (    uAlignment != 0
041d531fb5794a8a4cf6c35886d89ec25cbbdde2vboxsync        &&  uAlignment != PAGE_SIZE)
041d531fb5794a8a4cf6c35886d89ec25cbbdde2vboxsync        return VERR_NOT_SUPPORTED;
041d531fb5794a8a4cf6c35886d89ec25cbbdde2vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* create the object. */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_CONT, NULL, cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (!pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* do the allocation. */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    pMemFreeBSD->Core.pv = contigmalloc(cb,                   /* size */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        M_IPRTMOBJ,           /* type */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        M_NOWAIT | M_ZERO,    /* flags */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        0,                    /* lowest physical address*/
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        PhysHighest,          /* highest physical address */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        PAGE_SIZE,            /* alignment. */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        0);                   /* boundrary */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (pMemFreeBSD->Core.pv)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        pMemFreeBSD->Core.u.Cont.Phys = vtophys(pMemFreeBSD->Core.pv);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        *ppMem = &pMemFreeBSD->Core;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    rtR0MemObjDelete(&pMemFreeBSD->Core);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
c5d2523548cc57504b829f53f1362b848a84542cvboxsyncint rtR0MemObjNativeAllocPhysNC(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, RTHCPHYS PhysHighest)
c5d2523548cc57504b829f53f1362b848a84542cvboxsync{
c5d2523548cc57504b829f53f1362b848a84542cvboxsync    /** @todo rtR0MemObjNativeAllocPhys / freebsd */
98de0a38692b3f817f8c6a0b3b69d3fe6bcbe300vboxsync    return VERR_NOT_SUPPORTED;
c5d2523548cc57504b829f53f1362b848a84542cvboxsync}
c5d2523548cc57504b829f53f1362b848a84542cvboxsync
c5d2523548cc57504b829f53f1362b848a84542cvboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeEnterPhys(PPRTR0MEMOBJINTERNAL ppMem, RTHCPHYS Phys, size_t cb)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* create the object. */
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_PHYS, NULL, cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (!pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync    /* there is no allocation here, it needs to be mapped somewhere first. */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    pMemFreeBSD->Core.u.Phys.fAllocated = false;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    pMemFreeBSD->Core.u.Phys.PhysBase = Phys;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    *ppMem = &pMemFreeBSD->Core;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
db3d025f28c59aececbbda4174fa513496c89b2bvboxsyncint rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3Ptr, size_t cb, uint32_t fAccess, RTR0PROCESS R0Process)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
db3d025f28c59aececbbda4174fa513496c89b2bvboxsync    NOREF(fAccess);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* create the object. */
fa7c9928985ad8dc74ae6931809083c2af135250vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_LOCK, (void *)R3Ptr, cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (!pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VERR_NO_MEMORY;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    /*
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     * We could've used vslock here, but we don't wish to be subject to
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     * resource usage restrictions, so we'll call vm_map_wire directly.
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     */
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync    rc = vm_map_wire(&((struct proc *)R0Process)->p_vmspace->vm_map, /* the map */
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                     (vm_offset_t)R3Ptr,                             /* start */
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                     (vm_offset_t)R3Ptr + cb,                        /* end */
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                     VM_MAP_WIRE_USER | VM_MAP_WIRE_NOHOLES);        /* flags */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (rc == KERN_SUCCESS)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        pMemFreeBSD->Core.u.Lock.R0Process = R0Process;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        *ppMem = &pMemFreeBSD->Core;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    rtR0MemObjDelete(&pMemFreeBSD->Core);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return VERR_NO_MEMORY;/** @todo fix mach -> vbox error conversion for freebsd. */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
db3d025f28c59aececbbda4174fa513496c89b2bvboxsyncint rtR0MemObjNativeLockKernel(PPRTR0MEMOBJINTERNAL ppMem, void *pv, size_t cb, uint32_t fAccess)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
db3d025f28c59aececbbda4174fa513496c89b2bvboxsync    NOREF(fAccess);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* create the object. */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_LOCK, pv, cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (!pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    /* lock the memory */
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync    rc = vm_map_wire(kernel_map,                                    /* the map */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                     (vm_offset_t)pv,                               /* start */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                     (vm_offset_t)pv + cb,                          /* end */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                     VM_MAP_WIRE_SYSTEM | VM_MAP_WIRE_NOHOLES);     /* flags - SYSTEM? */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (rc == KERN_SUCCESS)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        pMemFreeBSD->Core.u.Lock.R0Process = NIL_RTR0PROCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        *ppMem = &pMemFreeBSD->Core;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    rtR0MemObjDelete(&pMemFreeBSD->Core);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return VERR_NO_MEMORY;/** @todo fix mach -> vbox error conversion for freebsd. */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync/**
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync * Worker for the two virtual address space reservers.
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync *
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync * We're leaning on the examples provided by mmap and vm_mmap in vm_mmap.c here.
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsyncstatic int rtR0MemObjNativeReserveInMap(PPRTR0MEMOBJINTERNAL ppMem, void *pvFixed, size_t cb, size_t uAlignment, RTR0PROCESS R0Process, vm_map_t pMap)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync    /*
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     * The pvFixed address range must be within the VM space when specified.
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (pvFixed != (void *)-1
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        && (    (vm_offset_t)pvFixed      < vm_map_min(pMap)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            ||  (vm_offset_t)pvFixed + cb > vm_map_max(pMap)))
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        return VERR_INVALID_PARAMETER;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync    /*
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync     * Check that the specified alignment is supported.
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync     */
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync    if (uAlignment > PAGE_SIZE)
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync        return VERR_NOT_SUPPORTED;
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync    /*
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     * Create the object.
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_RES_VIRT, NULL, cb);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (!pMemFreeBSD)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        return VERR_NO_MEMORY;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    /*
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     * Allocate an empty VM object and map it into the requested map.
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    pMemFreeBSD->pObject = vm_object_allocate(OBJT_DEFAULT, cb >> PAGE_SHIFT);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (pMemFreeBSD->pObject)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        vm_offset_t MapAddress = pvFixed != (void *)-1
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                               ? (vm_offset_t)pvFixed
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                               : vm_map_min(pMap);
0ff2f0d33dea0e82857c2131d43f637c206a8163vboxsync        if (pvFixed != (void *)-1)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            vm_map_remove(pMap,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                          MapAddress,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                          MapAddress + cb);
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync        rc = vm_map_find(pMap,                          /* map */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         pMemFreeBSD->pObject,          /* object */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         0,                             /* offset */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         &MapAddress,                   /* addr (IN/OUT) */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         cb,                            /* length */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         pvFixed == (void *)-1,         /* find_space */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         VM_PROT_NONE,                  /* protection */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         VM_PROT_ALL,                   /* max(_prot) ?? */
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                         0);                            /* cow (copy-on-write) */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        if (rc == KERN_SUCCESS)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (R0Process != NIL_RTR0PROCESS)
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                rc = vm_map_inherit(pMap,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                    MapAddress,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                    MapAddress + cb,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                    VM_INHERIT_SHARE);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                AssertMsg(rc == KERN_SUCCESS, ("%#x\n", rc));
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            pMemFreeBSD->Core.pv = (void *)MapAddress;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            pMemFreeBSD->Core.u.ResVirt.R0Process = R0Process;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            *ppMem = &pMemFreeBSD->Core;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            return VINF_SUCCESS;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        vm_object_deallocate(pMemFreeBSD->pObject);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        rc = VERR_NO_MEMORY; /** @todo fix translation (borrow from darwin) */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    else
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        rc = VERR_NO_MEMORY;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    rtR0MemObjDelete(&pMemFreeBSD->Core);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return rc;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync}
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeReserveKernel(PPRTR0MEMOBJINTERNAL ppMem, void *pvFixed, size_t cb, size_t uAlignment)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return rtR0MemObjNativeReserveInMap(ppMem, pvFixed, cb, uAlignment, NIL_RTR0PROCESS, kernel_map);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
c5d2523548cc57504b829f53f1362b848a84542cvboxsyncint rtR0MemObjNativeReserveUser(PPRTR0MEMOBJINTERNAL ppMem, RTR3PTR R3PtrFixed, size_t cb, size_t uAlignment, RTR0PROCESS R0Process)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
c5d2523548cc57504b829f53f1362b848a84542cvboxsync    return rtR0MemObjNativeReserveInMap(ppMem, (void *)R3PtrFixed, cb, uAlignment, R0Process,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        &((struct proc *)R0Process)->p_vmspace->vm_map);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
fbb3513a43135c633f7f51544c4bdfce748929bfvboxsyncint rtR0MemObjNativeMapKernel(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ pMemToMap, void *pvFixed, size_t uAlignment,
fbb3513a43135c633f7f51544c4bdfce748929bfvboxsync                              unsigned fProt, size_t offSub, size_t cbSub)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
fbb3513a43135c633f7f51544c4bdfce748929bfvboxsync    AssertMsgReturn(!offSub && !cbSub, ("%#x %#x\n", offSub, cbSub), VERR_NOT_SUPPORTED);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    AssertMsgReturn(pvFixed == (void *)-1, ("%p\n", pvFixed), VERR_NOT_SUPPORTED);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync    /*
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync     * Check that the specified alignment is supported.
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync     */
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync    if (uAlignment > PAGE_SIZE)
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync        return VERR_NOT_SUPPORTED;
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync/* Phys: see pmap_mapdev in i386/i386/pmap.c (http://fxr.watson.org/fxr/source/i386/i386/pmap.c?v=RELENG62#L2860) */
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#if 0
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/** @todo finish the implementation. */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    int rc;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    void *pvR0 = NULL;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    PRTR0MEMOBJFREEBSD pMemToMapOs2 = (PRTR0MEMOBJFREEBSD)pMemToMap;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    switch (pMemToMapOs2->Core.enmType)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        /*
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync         * These has kernel mappings.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync         */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_PAGE:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_LOW:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_CONT:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            pvR0 = pMemToMapOs2->Core.pv;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            break;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
c5d2523548cc57504b829f53f1362b848a84542cvboxsync        case RTR0MEMOBJTYPE_PHYS_NC:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_PHYS:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            pvR0 = pMemToMapOs2->Core.pv;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            if (!pvR0)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                /* no ring-0 mapping, so allocate a mapping in the process. */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                AssertMsgReturn(uAlignment == PAGE_SIZE, ("%#zx\n", uAlignment), VERR_NOT_SUPPORTED);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                AssertMsgReturn(fProt & RTMEM_PROT_WRITE, ("%#x\n", fProt), VERR_NOT_SUPPORTED);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                Assert(!pMemToMapOs2->Core.u.Phys.fAllocated);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                ULONG ulPhys = pMemToMapOs2->Core.u.Phys.PhysBase;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                rc = KernVMAlloc(pMemToMapOs2->Core.cb, VMDHA_PHYS, &pvR0, (PPVOID)&ulPhys, NULL);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                if (rc)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                    return RTErrConvertFromOS2(rc);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                pMemToMapOs2->Core.pv = pvR0;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            break;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_LOCK:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            if (pMemToMapOs2->Core.u.Lock.R0Process != NIL_RTR0PROCESS)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                return VERR_NOT_SUPPORTED; /** @todo implement this... */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            pvR0 = pMemToMapOs2->Core.pv;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            break;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_RES_VIRT:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_MAPPING:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        default:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            AssertMsgFailed(("enmType=%d\n", pMemToMapOs2->Core.enmType));
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return VERR_INTERNAL_ERROR;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /*
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     * Create a dummy mapping object for it.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     *
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     * All mappings are read/write/execute in OS/2 and there isn't
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     * any cache options, so sharing is ok. And the main memory object
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     * isn't actually freed until all the mappings have been freed up
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     * (reference counting).
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(RT_OFFSETOF(RTR0MEMOBJOS2, Lock), RTR0MEMOBJTYPE_MAPPING, pvR0, pMemToMapOs2->Core.cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        pMemFreeBSD->Core.u.Mapping.R0Process = NIL_RTR0PROCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        *ppMem = &pMemFreeBSD->Core;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#endif
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VERR_NOT_IMPLEMENTED;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
c889bbab784ba8552102ce776b6c67b982017861vboxsync
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync/* see http://markmail.org/message/udhq33tefgtyfozs */
c5d2523548cc57504b829f53f1362b848a84542cvboxsyncint rtR0MemObjNativeMapUser(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ pMemToMap, RTR3PTR R3PtrFixed, size_t uAlignment, unsigned fProt, RTR0PROCESS R0Process)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync    /*
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync     * Check for unsupported stuff.
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync     */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    AssertMsgReturn(R0Process == RTR0ProcHandleSelf(), ("%p != %p\n", R0Process, RTR0ProcHandleSelf()), VERR_NOT_SUPPORTED);
c5d2523548cc57504b829f53f1362b848a84542cvboxsync    AssertMsgReturn(R3PtrFixed == (RTR3PTR)-1, ("%p\n", R3PtrFixed), VERR_NOT_SUPPORTED);
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync    if (uAlignment > PAGE_SIZE)
ad1e35f9fb71d147c2126449a25adf0f8e155aaavboxsync        return VERR_NOT_SUPPORTED;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
c889bbab784ba8552102ce776b6c67b982017861vboxsync    int             rc;
c889bbab784ba8552102ce776b6c67b982017861vboxsync    vm_object_t     pObjectToMap = ((PRTR0MEMOBJFREEBSD)pMemToMap)->pObject;
c889bbab784ba8552102ce776b6c67b982017861vboxsync    struct proc    *pProc     = (struct proc *)R0Process;
c889bbab784ba8552102ce776b6c67b982017861vboxsync    struct vm_map  *pProcMap  = &pProc->p_vmspace->vm_map;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
c889bbab784ba8552102ce776b6c67b982017861vboxsync    /* calc protection */
c889bbab784ba8552102ce776b6c67b982017861vboxsync    vm_prot_t       ProtectionFlags = 0;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    if ((fProt & RTMEM_PROT_NONE) == RTMEM_PROT_NONE)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        ProtectionFlags = VM_PROT_NONE;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    if ((fProt & RTMEM_PROT_READ) == RTMEM_PROT_READ)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        ProtectionFlags |= VM_PROT_READ;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    if ((fProt & RTMEM_PROT_WRITE) == RTMEM_PROT_WRITE)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        ProtectionFlags |= VM_PROT_WRITE;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    if ((fProt & RTMEM_PROT_EXEC) == RTMEM_PROT_EXEC)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        ProtectionFlags |= VM_PROT_EXECUTE;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
c889bbab784ba8552102ce776b6c67b982017861vboxsync    /* calc mapping address */
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    PROC_LOCK(pProc);
c889bbab784ba8552102ce776b6c67b982017861vboxsync    vm_offset_t AddrR3 = round_page((vm_offset_t)pProc->p_vmspace->vm_daddr + lim_max(pProc, RLIMIT_DATA));
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    PROC_UNLOCK(pProc);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    vm_object_t pObjectNew = vm_object_allocate(OBJT_PHYS, pMemToMap->cb >> PAGE_SHIFT);
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    if (!RT_UNLIKELY(pObjectNew))
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        return VERR_NO_MEMORY;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    /* Insert the object in the map. */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    rc = vm_map_find(pProcMap,              /* Map to insert the object in */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        pObjectNew  ,          /* Object to map */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        0,                     /* Start offset in the object */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        &AddrR3,               /* Start address IN/OUT */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        pMemToMap->cb,         /* Size of the mapping */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        TRUE,                  /* Whether a suitable address should be searched for first */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        ProtectionFlags,       /* protection flags */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        VM_PROT_ALL,           /* Maximum protection flags */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync                        0);                    /* Copy on write */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    /* Map the memory page by page into the destination map. */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync    if (rc == KERN_SUCCESS)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    {
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        size_t         cLeft        = pMemToMap->cb >> PAGE_SHIFT;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        vm_offset_t    AddrToMap    = (vm_offset_t)pMemToMap->pv;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        pmap_t         pPhysicalMap = pProcMap->pmap;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        vm_offset_t    AddrR3Dst    = AddrR3;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        /* Insert the memory page by page into the mapping. */
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        while (cLeft-- > 0)
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        {
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            vm_page_t Page = PHYS_TO_VM_PAGE(vtophys(AddrToMap));
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
13e885122ee503a6b52b157f8d779f8a9a8dd716vboxsync#if __FreeBSD_version >= 701105
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            pmap_enter(pPhysicalMap, AddrR3Dst, VM_PROT_NONE, Page, ProtectionFlags, TRUE);
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#else
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            pmap_enter(pPhysicalMap, AddrR3Dst, Page, ProtectionFlags, TRUE);
d272a8d07d3f79b66760a49b8be4eae380ecd519vboxsync#endif
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            AddrToMap += PAGE_SIZE;
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync            AddrR3Dst += PAGE_SIZE;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        }
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        pObjectToMap = pObjectNew;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    else
81fcf0038d2d6c76ab2c8b02103dc18c24efe0a1vboxsync        vm_object_deallocate(pObjectNew);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    if (rc == KERN_SUCCESS)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        /*
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync         * Create a mapping object for it.
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync         */
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(RTR0MEMOBJFREEBSD),
c889bbab784ba8552102ce776b6c67b982017861vboxsync                                                                           RTR0MEMOBJTYPE_MAPPING,
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                                                                           (void *)AddrR3,
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync                                                                           pMemToMap->cb);
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        if (pMemFreeBSD)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        {
c889bbab784ba8552102ce776b6c67b982017861vboxsync            Assert((vm_offset_t)pMemFreeBSD->Core.pv == AddrR3);
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            pMemFreeBSD->Core.u.Mapping.R0Process = R0Process;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            pMemFreeBSD->pMappingObject = pObjectToMap;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            *ppMem = &pMemFreeBSD->Core;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync            return VINF_SUCCESS;
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        }
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        rc = vm_map_remove(pProcMap, ((vm_offset_t)AddrR3), ((vm_offset_t)AddrR3) + pMemToMap->cb);
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        AssertMsg(rc == KERN_SUCCESS, ("Deleting mapping failed\n"));
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync    if (pObjectToMap)
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync        vm_object_deallocate(pObjectToMap);
ab02aeaf2a0312fe9267a292e3911728e4531332vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
31cda52093d58f5c604589fa74949c5fddcbde70vboxsyncint rtR0MemObjNativeProtect(PRTR0MEMOBJINTERNAL pMem, size_t offSub, size_t cbSub, uint32_t fProt)
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync{
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync    NOREF(pMem);
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync    NOREF(offSub);
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync    NOREF(cbSub);
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync    NOREF(fProt);
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync    return VERR_NOT_SUPPORTED;
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync}
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync
31cda52093d58f5c604589fa74949c5fddcbde70vboxsync
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsyncRTHCPHYS rtR0MemObjNativeGetPagePhysAddr(PRTR0MEMOBJINTERNAL pMem, size_t iPage)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)pMem;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    switch (pMemFreeBSD->Core.enmType)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_LOCK:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (    pMemFreeBSD->Core.u.Lock.R0Process != NIL_RTR0PROCESS
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                &&  pMemFreeBSD->Core.u.Lock.R0Process != (RTR0PROCESS)curproc)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                /* later */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                return NIL_RTHCPHYS;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync            }
c889bbab784ba8552102ce776b6c67b982017861vboxsync            /* fall thru*/
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_PAGE:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        {
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync            vm_offset_t pb = (vm_offset_t)pMemFreeBSD->Core.pv + (iPage << PAGE_SHIFT);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            return vtophys(pb);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
d9a86bd327291cd44d5f6da6e08bec728aae68bbvboxsync
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync        case RTR0MEMOBJTYPE_MAPPING:
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync        {
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync            vm_offset_t pb = (vm_offset_t)pMemFreeBSD->Core.pv + (iPage << PAGE_SHIFT);
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync            if (pMemFreeBSD->Core.u.Mapping.R0Process != NIL_RTR0PROCESS)
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync            {
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync                struct proc    *pProc     = (struct proc *)pMemFreeBSD->Core.u.Mapping.R0Process;
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync                struct vm_map  *pProcMap  = &pProc->p_vmspace->vm_map;
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync                pmap_t pPhysicalMap       = pProcMap->pmap;
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync                return pmap_extract(pPhysicalMap, pb);
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync            }
d9a86bd327291cd44d5f6da6e08bec728aae68bbvboxsync            return vtophys(pb);
82c6fd518728c98e8bae58f3c5e55c5efa160878vboxsync        }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_CONT:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return pMemFreeBSD->Core.u.Cont.Phys + (iPage << PAGE_SHIFT);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_PHYS:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return pMemFreeBSD->Core.u.Phys.PhysBase + (iPage << PAGE_SHIFT);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
c5d2523548cc57504b829f53f1362b848a84542cvboxsync        case RTR0MEMOBJTYPE_PHYS_NC:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_RES_VIRT:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_LOW:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        default:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return NIL_RTHCPHYS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
c889bbab784ba8552102ce776b6c67b982017861vboxsync