VMMAll.cpp revision b707bebd46bcb48adb777cf9ea78beee608dcf5d
/* $Id$ */
/** @file
* VMM All Contexts.
*/
/*
* Copyright (C) 2006-2007 Oracle Corporation
*
* 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_VMM
#include "VMMInternal.h"
/**
* Gets the bottom of the hypervisor stack - RC Ptr.
*
* (The returned address is not actually writable, only after it's decremented
*
* @returns bottom of the stack.
* @param pVCpu The VMCPU handle.
*/
{
}
/**
* Gets the ID virtual of the virtual CPU assoicated with the calling thread.
*
* @returns The CPU ID. NIL_VMCPUID if the thread isn't an EMT.
*
* @param pVM Pointer to the shared VM handle.
*/
{
#if defined(IN_RING3)
return VMR3GetVMCPUId(pVM);
return 0;
/* Search first by host cpu id (most common case)
* and then by native thread id (page fusion case).
*/
/* RTMpCpuId had better be cheap. */
/** @todo optimize for large number of VCPUs when that becomes more common. */
{
}
/* RTThreadGetNativeSelf had better be cheap. */
/** @todo optimize for large number of VCPUs when that becomes more common. */
{
}
return NIL_VMCPUID;
#else /* RC: Always EMT(0) */
return 0;
#endif
}
/**
* Returns the VMCPU of the calling EMT.
*
* @returns The VMCPU pointer. NULL if not an EMT.
*
* @param pVM The VM to operate on.
*/
{
#ifdef IN_RING3
if (idCpu == NIL_VMCPUID)
return NULL;
/* Search first by host cpu id (most common case)
* and then by native thread id (page fusion case).
*/
/* RTMpCpuId had better be cheap. */
/** @todo optimize for large number of VCPUs when that becomes more common. */
{
return pVCpu;
}
/* RTThreadGetNativeSelf had better be cheap. */
/** @todo optimize for large number of VCPUs when that becomes more common. */
{
return pVCpu;
}
return NULL;
#else /* RC: Always EMT(0) */
#endif /* IN_RING0 */
}
/**
* Returns the VMCPU of the first EMT thread.
*
* @returns The VMCPU pointer.
* @param pVM The VM to operate on.
*/
{
}
/**
* Returns the VMCPU of the specified virtual CPU.
*
* @returns The VMCPU pointer. NULL if idCpu is invalid.
*
* @param pVM The VM to operate on.
* @param idCpu The ID of the virtual CPU.
*/
{
}
/**
* 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.
*/
{
return VBOX_SVN_REV;
}
/**
* Queries the current switcher
*
* @returns active switcher
* @param pVM VM handle.
*/
{
}