alloc-r0drv-darwin.cpp revision 730ec694931a669c87102e047d453d14dd3917e0
/* $Id$ */
/** @file
* IPRT - Memory Allocation, Ring-0 Driver, Darwin.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include "the-darwin-kernel.h"
#include "r0drv/alloc-r0drv.h"
/**
* OS specific allocation function.
*/
{
if (pHdr)
{
}
else
return pHdr;
}
/**
* OS specific free function.
*/
{
}
{
/*
* validate input.
*/
/*
* Allocate the memory and ensure that the API is still providing
* memory that's always below 4GB.
*/
if (pv)
{
{
{
return pv;
}
}
else
AssertMsgFailed(("IOMallocContiguous returned high address! PhysAddr=%RX64 cb=%#zx\n", (uint64_t)PhysAddr, cb));
}
return NULL;
}
{
if (pv)
{
}
}