Index: trunk/src/VBox/Runtime/r0drv/freebsd/mp-r0drv-freebsd.c
===================================================================
--- trunk/src/VBox/Runtime/r0drv/freebsd/mp-r0drv-freebsd.c	(revision 18969)
+++ trunk/src/VBox/Runtime/r0drv/freebsd/mp-r0drv-freebsd.c	(revision 18969)
@@ -0,0 +1,136 @@
+/* $Id$ */
+/** @file
+ * IPRT - Multiprocessor, Ring-0 Driver, FreeBSD.
+ */
+
+/*
+ * Copyright (C) 2008 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.
+ *
+ * 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-freebsd-kernel.h"
+
+#include <iprt/mp.h>
+#include <iprt/err.h>
+#include <iprt/asm.h>
+#include "r0drv/mp-r0drv.h"
+
+
+RTDECL(RTCPUID) RTMpCpuId(void)
+{
+    return curcpu;
+}
+
+
+/**
+ * Wrapper between the native FreeBSD per-cpu callback and PFNRTWORKER
+ * for the RTMpOnAll API.
+ *
+ * @param   pvArg   Pointer to the RTMPARGS package.
+ */
+static void rtmpOnAllFreeBSDWrapper(void *pvArg)
+{
+    PRTMPARGS pArgs = (PRTMPARGS)pvArg;
+    pArgs->pfnWorker(curcpu, pArgs->pvUser1, pArgs->pvUser2);
+}
+
+
+RTDECL(int) RTMpOnAll(PFNRTMPWORKER pfnWorker, void *pvUser1, void *pvUser2)
+{
+    RTMPARGS Args;
+    Args.pfnWorker = pfnWorker;
+    Args.pvUser1 = pvUser1;
+    Args.pvUser2 = pvUser2;
+    Args.idCpu = NIL_RTCPUID;
+    Args.cHits = 0;
+    smp_rendezvous(NULL, rtmpOnAllFreeBSDWrapper, NULL, &Args);
+    return VINF_SUCCESS;
+}
+
+
+/**
+ * Wrapper between the native FreeBSD per-cpu callback and PFNRTWORKER
+ * for the RTMpOnOthers API.
+ *
+ * @param   pvArg   Pointer to the RTMPARGS package.
+ */
+static void rtmpOnOthersFreeBSDWrapper(void *pvArg)
+{
+    PRTMPARGS pArgs = (PRTMPARGS)pvArg;
+    RTCPUID idCpu = curcpu;
+    if (pArgs->idCpu != idCpu)
+        pArgs->pfnWorker(idCpu, pArgs->pvUser1, pArgs->pvUser2);
+}
+
+
+RTDECL(int) RTMpOnOthers(PFNRTMPWORKER pfnWorker, void *pvUser1, void *pvUser2)
+{
+    int rc;
+    RTMPARGS Args;
+    Args.pfnWorker = pfnWorker;
+    Args.pvUser1 = pvUser1;
+    Args.pvUser2 = pvUser2;
+    Args.idCpu = NIL_RTCPUID;
+    Args.cHits = 0;
+    smp_rendezvous(NULL, rtmpOnOthersFreeBSDWrapper, NULL, &Args);
+    return VINF_SUCCESS;
+}
+
+
+/**
+ * Wrapper between the native FreeBSD per-cpu callback and PFNRTWORKER
+ * for the RTMpOnSpecific API.
+ *
+ * @param   pvArg   Pointer to the RTMPARGS package.
+ */
+static void rtmpOnSpecificFreeBSDWrapper(void *pvArg)
+{
+    PRTMPARGS pArgs = (PRTMPARGS)pvArg;
+    RTCPUID idCpu = curcpu;
+    if (pArgs->idCpu == idCpu)
+    {
+        pArgs->pfnWorker(idCpu, pArgs->pvUser1, pArgs->pvUser2);
+        ASMAtomicIncU32(&pArgs->cHits);
+    }
+}
+
+
+RTDECL(int) RTMpOnSpecific(RTCPUID idCpu, PFNRTMPWORKER pfnWorker, void *pvUser1, void *pvUser2)
+{
+    int rc;
+    RTMPARGS Args;
+    Args.pfnWorker = pfnWorker;
+    Args.pvUser1 = pvUser1;
+    Args.pvUser2 = pvUser2;
+    Args.idCpu = idCpu;
+    Args.cHits = 0;
+    smp_rendezvous(NULL, rtmpOnSpecificFreeBSDWrapper, NULL, &Args);
+    return Args.cHits == 1
+         ? VINF_SUCCESS
+         : VERR_CPU_NOT_FOUND;
+}
+
