VMMAll.cpp revision 362d7d46d58851d6f8a546b863b58b60c51afdae
/* $Id$ */
/** @file
* VMM All Contexts.
*/
/*
* 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;
* you can redistribute it and/or modify it under the terms of the GNU
* 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.
*
* 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 *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_VMM
#include <VBox/vmm.h>
#include "VMMInternal.h"
#include <VBox/vm.h>
#include <VBox/param.h>
#ifndef IN_RING0
/**
* Gets the bottom of the hypervisor stack - RC Ptr.
*
* (The returned address is not actually writable, only after it's decremented
* by a push/ret/whatever does it become writable.)
*
* @returns bottom of the stack.
* @param pVM The VM handle.
*/
RTRCPTR VMMGetStackRC(PVM pVM)
{
return (RTRCPTR)pVM->vmm.s.pbEMTStackBottomRC;
}
#endif /* !IN_RING0 */
/**
* Gets the current virtual CPU ID.
*
* @returns The CPU ID.
* @param pVM Pointer to the shared VM handle.
* @thread EMT
*/
VMCPUID VMMGetCpuId(PVM pVM)
{
#ifdef VBOX_WITH_SMP_GUESTS
/* Only emulation thread(s) allowed to ask for CPU id */
VM_ASSERT_EMT(pVM);
# if defined(IN_GC)
/* There is only one CPU if we're in GC. */
return 0;
# elif defined(IN_RING3)
/** @todo SMP: Use TLS. */
return 0; /** @todo SMP */
# else /* IN_RING0 */
/** @todo SMP: Get the real CPU ID and use a table in the VM structure to
* translate it. */
return 0;
# endif /* IN_RING0 */
#else
VM_ASSERT_EMT(pVM);
return 0;
#endif
}
/**
* Gets the VBOX_SVN_REV.
*
* This is just to avoid having to compile a bunch of big files
* and requires less Makefile mess.
*
* @returns VBOX_SVN_REV.
*/
VMMDECL(uint32_t) VMMGetSvnRev(void)
{
return VBOX_SVN_REV;
}