1 files changed, 108 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/freebsd/systemmem-freebsd.cpp b/src/VBox/Runtime/r3/freebsd/systemmem-freebsd.cpp
new file mode 100644
index 00000000..b662fc67
--- /dev/null
+++ b/src/VBox/Runtime/r3/freebsd/systemmem-freebsd.cpp
@@ -0,0 +1,108 @@
+/* $Id: systemmem-freebsd.cpp $ */
+/** @file
+ * IPRT - RTSystemQueryTotalRam, Linux ring-3.
+ */
+
+/*
+ * Copyright (C) 2012-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox 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.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include <iprt/system.h>
+#include "internal/iprt.h"
+
+#include <iprt/errcore.h>
+#include <iprt/assert.h>
+#include <iprt/string.h>
+
+#include <sys/types.h>
+#include <sys/sysctl.h>
+#include <errno.h>
+
+
+RTDECL(int) RTSystemQueryTotalRam(uint64_t *pcb)
+{
+    int rc = VINF_SUCCESS;
+    u_long cbMemPhys = 0;
+    size_t cbParameter = sizeof(cbMemPhys);
+
+    AssertPtrReturn(pcb, VERR_INVALID_POINTER);
+
+    if (!sysctlbyname("hw.physmem", &cbMemPhys, &cbParameter, NULL, 0))
+    {
+        *pcb = cbMemPhys;
+        return VINF_SUCCESS;
+    }
+    return RTErrConvertFromErrno(errno);
+}
+
+
+RTDECL(int) RTSystemQueryAvailableRam(uint64_t *pcb)
+{
+    AssertPtrReturn(pcb, VERR_INVALID_POINTER);
+
+    int rc = VINF_SUCCESS;
+    u_int cPagesMemFree = 0;
+    u_int cPagesMemInactive = 0;
+    u_int cPagesMemCached = 0;
+    u_int cPagesMemUsed = 0;
+    int cbPage = 0;
+    size_t cbParameter;
+    int cProcessed = 0;
+
+    cbParameter = sizeof(cPagesMemFree);
+    if (sysctlbyname("vm.stats.vm.v_free_count", &cPagesMemFree, &cbParameter, NULL, 0))
+        rc = RTErrConvertFromErrno(errno);
+    cbParameter = sizeof(cPagesMemUsed);
+    if (   RT_SUCCESS(rc)
+        && sysctlbyname("vm.stats.vm.v_active_count", &cPagesMemUsed, &cbParameter, NULL, 0))
+        rc = RTErrConvertFromErrno(errno);
+    cbParameter = sizeof(cPagesMemInactive);
+    if (   RT_SUCCESS(rc)
+        && sysctlbyname("vm.stats.vm.v_inactive_count", &cPagesMemInactive, &cbParameter, NULL, 0))
+        rc = RTErrConvertFromErrno(errno);
+    cbParameter = sizeof(cPagesMemCached);
+    if (   RT_SUCCESS(rc)
+        && sysctlbyname("vm.stats.vm.v_cache_count", &cPagesMemCached, &cbParameter, NULL, 0))
+        rc = RTErrConvertFromErrno(errno);
+    cbParameter = sizeof(cbPage);
+    if (   RT_SUCCESS(rc)
+        && sysctlbyname("hw.pagesize", &cbPage, &cbParameter, NULL, 0))
+        rc = RTErrConvertFromErrno(errno);
+
+    if (RT_SUCCESS(rc))
+        *pcb = (cPagesMemFree + cPagesMemInactive + cPagesMemCached ) * cbPage;
+
+    return rc;
+}
+