PDMAllCritSectBoth.cpp revision 9d39cf70a53b3411e29d332d9997cb691df1b5f6
/* $Id$ */
/** @file
* PDM - Code Common to Both Critical Section Types, All Contexts.
*/
/*
* Copyright (C) 2006-2013 Oracle Corporation
*
* 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.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_PDM//_CRITSECT
#include "PDMInternal.h"
#include <VBox/vmm/pdmcritsect.h>
#include <VBox/vmm/pdmcritsectrw.h>
#include <VBox/vmm/vm.h>
#include <VBox/err.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/asm.h>
#if defined(IN_RING3) || defined(IN_RING0)
/**
* Process the critical sections (both types) queued for ring-3 'leave'.
*
* @param pVCpu Pointer to the VMCPU.
*/
VMM_INT_DECL(void) PDMCritSectBothFF(PVMCPU pVCpu)
{
uint32_t i;
Assert( pVCpu->pdm.s.cQueuedCritSectLeaves > 0
|| pVCpu->pdm.s.cQueuedCritSectRwShrdLeaves > 0
|| pVCpu->pdm.s.cQueuedCritSectRwExclLeaves > 0);
/* Shared leaves. */
i = pVCpu->pdm.s.cQueuedCritSectRwShrdLeaves;
pVCpu->pdm.s.cQueuedCritSectRwShrdLeaves = 0;
while (i-- > 0)
{
# ifdef IN_RING3
PPDMCRITSECTRW pCritSectRw = pVCpu->pdm.s.apQueuedCritSectRwShrdLeaves[i];
# else
PPDMCRITSECTRW pCritSectRw = (PPDMCRITSECTRW)MMHyperR3ToCC(pVCpu->CTX_SUFF(pVM),
pVCpu->pdm.s.apQueuedCritSectRwShrdLeaves[i]);
# endif
pdmCritSectRwLeaveSharedQueued(pCritSectRw);
LogFlow(("PDMR3CritSectFF: %p (R/W)\n", pCritSectRw));
}
/* Last, exclusive leaves. */
i = pVCpu->pdm.s.cQueuedCritSectRwExclLeaves;
pVCpu->pdm.s.cQueuedCritSectRwExclLeaves = 0;
while (i-- > 0)
{
# ifdef IN_RING3
PPDMCRITSECTRW pCritSectRw = pVCpu->pdm.s.apQueuedCritSectRwExclLeaves[i];
# else
PPDMCRITSECTRW pCritSectRw = (PPDMCRITSECTRW)MMHyperR3ToCC(pVCpu->CTX_SUFF(pVM),
pVCpu->pdm.s.apQueuedCritSectRwExclLeaves[i]);
# endif
pdmCritSectRwLeaveExclQueued(pCritSectRw);
LogFlow(("PDMR3CritSectFF: %p (R/W)\n", pCritSectRw));
}
/* Normal leaves. */
i = pVCpu->pdm.s.cQueuedCritSectLeaves;
pVCpu->pdm.s.cQueuedCritSectLeaves = 0;
while (i-- > 0)
{
# ifdef IN_RING3
PPDMCRITSECT pCritSect = pVCpu->pdm.s.apQueuedCritSectLeaves[i];
# else
PPDMCRITSECT pCritSect = (PPDMCRITSECT)MMHyperR3ToCC(pVCpu->CTX_SUFF(pVM), pVCpu->pdm.s.apQueuedCritSectLeaves[i]);
# endif
PDMCritSectLeave(pCritSect);
LogFlow(("PDMR3CritSectFF: %p\n", pCritSect));
}
VMCPU_FF_CLEAR(pVCpu, VMCPU_FF_PDM_CRITSECT);
}
#endif /* IN_RING3 || IN_RING0 */