1 files changed, 118 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/Support/testcase/tstContiguous.cpp b/src/VBox/HostDrivers/Support/testcase/tstContiguous.cpp
new file mode 100644
index 00000000..6f1e8290
--- /dev/null
+++ b/src/VBox/HostDrivers/Support/testcase/tstContiguous.cpp
@@ -0,0 +1,118 @@
+/* $Id: tstContiguous.cpp $ */
+/** @file
+ * SUP Testcase - Contiguous Memory Interface (ring-3).
+ */
+
+/*
+ * Copyright (C) 2006-2023 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 <VBox/sup.h>
+#include <VBox/param.h>
+#include <iprt/initterm.h>
+#include <iprt/stream.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+int main(int argc, char **argv)
+{
+    int rc;
+    int rcRet = 0;
+
+    RTR3InitExe(argc, &argv, 0);
+    rc = SUPR3Init(NULL);
+    RTPrintf("tstContiguous: SUPR3Init -> rc=%Rrc\n", rc);
+    rcRet += rc != 0;
+    if (!rc)
+    {
+        /*
+         * Allocate a bit of contiguous memory.
+         */
+        RTHCPHYS HCPhys;
+        void *pv = SUPR3ContAlloc(8, NULL, &HCPhys);
+        rcRet += pv == NULL || HCPhys == 0;
+        if (pv && HCPhys)
+        {
+            memset(pv, 0xff, PAGE_SIZE * 8);
+            pv = SUPR3ContAlloc(5, NULL, &HCPhys);
+            rcRet += pv == NULL || HCPhys == 0;
+            if (pv && HCPhys)
+            {
+                memset(pv, 0x7f, PAGE_SIZE * 5);
+                rc = SUPR3ContFree(pv, 5);
+                rcRet += rc != 0;
+                if (rc)
+                    RTPrintf("tstContiguous: SUPR3ContFree failed! rc=%Rrc\n", rc);
+
+                void *apv[128];
+                for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
+                {
+                    apv[i] = SUPR3ContAlloc(1 + (i % 11), NULL, &HCPhys);
+                    if (!apv[i])
+                    {
+                        RTPrintf("tstContiguous: i=%d: failed to allocate %d pages", i, 1 + (i % 11));
+#if defined(RT_ARCH_X86) && defined(RT_OS_LINUX)
+                        /* With 32-bit address spaces it's sometimes difficult
+                         * to find bigger chunks of contiguous memory */
+                        if (i % 11 > 7)
+                            RTPrintf(" => ignoring (32-bit host)");
+                        else
+#endif
+                            rcRet++;
+                        RTPrintf("\n");
+                    }
+                }
+                for (unsigned i = 0; i < RT_ELEMENTS(apv); i++)
+                    if (apv[i])
+                    {
+                        rc = SUPR3ContFree(apv[i], 1 + (i % 11));
+                        rcRet += rc != 0;
+                        if (rc)
+                            RTPrintf("tstContiguous: i=%d SUPR3ContFree failed! rc=%Rrc\n", i, rc);
+                    }
+            }
+            else
+                RTPrintf("tstContiguous: SUPR3ContAlloc (2nd) failed!\n");
+        }
+        else
+            RTPrintf("tstContiguous: SUPR3ContAlloc failed!\n");
+
+        rc = SUPR3Term(false /*fForced*/);
+        RTPrintf("tstContiguous: SUPR3Term -> rc=%Rrc\n", rc);
+        rcRet += rc != 0;
+    }
+
+    return rcRet ? 1 : 0;
+}