r0drv/freebsd/memobj-r0drv-freebsd.c

	memobj-r0drv-freebsd.c revision e5bfc5c34142a7550be3564a8e01a037b1db5b31
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/* $Id$ */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync/** @file
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync * innotek Portable Runtime - 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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
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
ee6e48c229ef52aee5e968d956ebd066073811abvboxsyncMALLOC_DEFINE(M_IPRTMOBJ, "iprtmobj", "innotek Portable Runtime - 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            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                free(pMemFreeBSD->Core.pv, 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        {
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;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync            rc = vm_map_unwire(pMap,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv,
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync                               (vm_offset_t)pMemFreeBSD->Core.pv + pMemFreeBSD->Core.cb,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                               VM_MAP_WIRE_SYSTEM | VM_MAP_WIRE_NOHOLES);
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        {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            /** @todo Figure out mapping... */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync        /* unused: */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_LOW:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_PHYS:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        default:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            AssertMsgFailed(("enmType=%d\n", pMemFreeBSD->Core.enmType));
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return VERR_INTERNAL_ERROR;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    Assert(!pMemFreeBSD->pMappingObject);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeAllocPage(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, bool fExecutable)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
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
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync    /*
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     * We've two options here both expressed nicely by how kld allocates
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     * memory for the module bits:
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync     *      http://fxr.watson.org/fxr/source/kern/link_elf.c?v=RELENG62#L701
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync     */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync#if 0
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    pMemFreeBSD->Core.pv = malloc(cb, M_IPRTMOBJ, M_ZERO);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    if (pMemFreeBSD->Core.pv)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        *ppMem = &pMemFreeBSD->Core;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        return VINF_SUCCESS;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    rc = VERR_NO_MEMORY;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    NOREF(fExecutable);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync#else
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    pMemFreeBSD->pObject = vm_object_allocate(OBJT_DEFAULT, cb >> PAGE_SHIFT);
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        {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            rc = vm_map_wire(kernel_map,                /* map */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                             MapAddress,                /* start */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                             MapAddress + cb,           /* end */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                             VM_MAP_WIRE_SYSTEM | VM_MAP_WIRE_NOHOLES);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            if (rc == KERN_SUCCESS)
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                pMemFreeBSD->Core.pv = (void *)MapAddress;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                *ppMem = &pMemFreeBSD->Core;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                return VINF_SUCCESS;
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            }
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync           vm_map_remove(kernel_map,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         MapAddress,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         MapAddress + cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        else
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            vm_object_deallocate(pMemFreeBSD->pObject);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        rc = VERR_NO_MEMORY; /** @todo fix translation (borrow from darwin) */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    else
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        rc = VERR_NO_MEMORY;
ee6e48c229ef52aee5e968d956ebd066073811abvboxsync#endif
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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeAllocPhys(PPRTR0MEMOBJINTERNAL ppMem, size_t cb, RTHCPHYS PhysHighest)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    /** @todo check if there is a more appropriate API somewhere.. */
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync
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
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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeLockUser(PPRTR0MEMOBJINTERNAL ppMem, void *pv, size_t cb, RTR0PROCESS R0Process)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /* create the object. */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(sizeof(*pMemFreeBSD), RTR0MEMOBJTYPE_LOCK, pv, 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 */
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 = 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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeLockKernel(PPRTR0MEMOBJINTERNAL ppMem, void *pv, size_t cb)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    int rc;
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
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
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                               : vm_map_min(kernel_map);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        if (pvFixed)
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) ?? */
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                         FALSE);                        /* 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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeReserveUser(PPRTR0MEMOBJINTERNAL ppMem, void *pvFixed, size_t cb, size_t uAlignment, RTR0PROCESS R0Process)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync    return rtR0MemObjNativeReserveInMap(ppMem, pvFixed, cb, uAlignment, R0Process,
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync                                        &((struct proc *)R0Process)->p_vmspace->vm_map);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeMapKernel(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ pMemToMap, void *pvFixed, size_t uAlignment, unsigned fProt)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    AssertMsgReturn(pvFixed == (void *)-1, ("%p\n", pvFixed), VERR_NOT_SUPPORTED);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
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
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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsyncint rtR0MemObjNativeMapUser(PPRTR0MEMOBJINTERNAL ppMem, RTR0MEMOBJ pMemToMap, void *pvFixed, size_t uAlignment, unsigned fProt, RTR0PROCESS R0Process)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync{
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    AssertMsgReturn(R0Process == RTR0ProcHandleSelf(), ("%p != %p\n", R0Process, RTR0ProcHandleSelf()), VERR_NOT_SUPPORTED);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    AssertMsgReturn(pvFixed == (void *)-1, ("%p\n", pvFixed), VERR_NOT_SUPPORTED);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#if 0
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    int rc;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    void *pvR0;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    void *pvR3 = 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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_PHYS:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            pvR0 = pMemToMapOs2->Core.pv;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#if 0/* this is wrong. */
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 | VMDHA_PROCESS, &pvR3, (PPVOID)&ulPhys, NULL);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                if (rc)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync                    return RTErrConvertFromOS2(rc);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            break;
e5bfc5c34142a7550be3564a8e01a037b1db5b31vboxsync#endif
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return VERR_NOT_SUPPORTED;
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     * Map the ring-0 memory into the current process.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (!pvR3)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        Assert(pvR0);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        ULONG flFlags = 0;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        if (uAlignment == PAGE_SIZE)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            flFlags |= VMDHGP_4MB;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        if (fProt & RTMEM_PROT_WRITE)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            flFlags |= VMDHGP_WRITE;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        rc = RTR0Os2DHVMGlobalToProcess(flFlags, pvR0, pMemToMapOs2->Core.cb, &pvR3);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        if (rc)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return RTErrConvertFromOS2(rc);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    Assert(pvR3);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    /*
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     * Create a mapping object for it.
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync     */
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    PRTR0MEMOBJFREEBSD pMemFreeBSD = (PRTR0MEMOBJFREEBSD)rtR0MemObjNew(RT_OFFSETOF(RTR0MEMOBJOS2, Lock), RTR0MEMOBJTYPE_MAPPING, pvR3, pMemToMapOs2->Core.cb);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    if (pMemFreeBSD)
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    {
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        Assert(pMemFreeBSD->Core.pv == pvR3);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        pMemFreeBSD->Core.u.Mapping.R0Process = R0Process;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        *ppMem = &pMemFreeBSD->Core;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        return VINF_SUCCESS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    KernVMFree(pvR3);
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VERR_NO_MEMORY;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync#endif
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    return VERR_NOT_IMPLEMENTED;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync
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        {
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            }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_PAGE:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        {
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            uint8_t *pb = (uint8_t *)pMemFreeBSD->Core.pv + ((size_t)iPage << PAGE_SHIFT);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync            return vtophys(pb);
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        }
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
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_RES_VIRT:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        case RTR0MEMOBJTYPE_MAPPING:
d60d5da33bb93fc7a8717802f21b13aa37914799vboxsync        case RTR0MEMOBJTYPE_LOW:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync        default:
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync            return NIL_RTHCPHYS;
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync    }
833f83ce101b6e9168f519decc0dc7a1079d35f7vboxsync}