Adding upstream version 6.0.4-dfsg.upstream/6.0.4-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 97 insertions, 0 deletions

diff --git a/src/VBox/VMM/VMMAll/PDMAllCritSectBoth.cpp b/src/VBox/VMM/VMMAll/PDMAllCritSectBoth.cpp
new file mode 100644
index 00000000..0938ab51
--- /dev/null
+++ b/src/VBox/VMM/VMMAll/PDMAllCritSectBoth.cpp
@@ -0,0 +1,97 @@
+/* $Id: PDMAllCritSectBoth.cpp $ */
+/** @file
+ * PDM - Code Common to Both Critical Section Types, All Contexts.
+ */
+
+/*
+ * Copyright (C) 2006-2019 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 <iprt/errcore.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         The cross context virtual CPU structure.
+ */
+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 */
+