summaryrefslogtreecommitdiffstats
path: root/src/VBox/ValidationKit/utils/cpu/xmmsaving.cpp
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:17:27 +0000
commitf215e02bf85f68d3a6106c2a1f4f7f063f819064 (patch)
tree6bb5b92c046312c4e95ac2620b10ddf482d3fa8b /src/VBox/ValidationKit/utils/cpu/xmmsaving.cpp
parentInitial commit. (diff)
downloadvirtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.tar.xz
virtualbox-f215e02bf85f68d3a6106c2a1f4f7f063f819064.zip
Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/VBox/ValidationKit/utils/cpu/xmmsaving.cpp')
-rw-r--r--src/VBox/ValidationKit/utils/cpu/xmmsaving.cpp130
1 files changed, 130 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/utils/cpu/xmmsaving.cpp b/src/VBox/ValidationKit/utils/cpu/xmmsaving.cpp
new file mode 100644
index 00000000..a8d377f8
--- /dev/null
+++ b/src/VBox/ValidationKit/utils/cpu/xmmsaving.cpp
@@ -0,0 +1,130 @@
+/* $Id: xmmsaving.cpp $ */
+/** @file
+ * xmmsaving - Test that all XMM register state is handled correctly and
+ * not corrupted the VMM.
+ */
+
+/*
+ * Copyright (C) 2009-2023 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/test.h>
+#include <iprt/x86.h>
+
+
+/*********************************************************************************************************************************
+* Structures and Typedefs *
+*********************************************************************************************************************************/
+typedef struct MYXMMREGSET
+{
+ RTUINT128U aRegs[16];
+} MYXMMREGSET;
+
+
+DECLASM(int) XmmSavingTestLoadSet(const MYXMMREGSET *pSet, const MYXMMREGSET *pPrevSet, PRTUINT128U pBadVal);
+
+
+static void XmmSavingTest(void)
+{
+ RTTestISub("xmm saving and restoring");
+
+ /* Create the test sets. */
+ static MYXMMREGSET s_aSets[256];
+ for (unsigned s = 0; s < RT_ELEMENTS(s_aSets); s++)
+ {
+ for (unsigned r = 0; r < RT_ELEMENTS(s_aSets[s].aRegs); r++)
+ {
+ unsigned x = (s << 4) | r;
+ s_aSets[s].aRegs[r].au32[0] = x | UINT32_C(0x12345000);
+ s_aSets[s].aRegs[r].au32[1] = (x << 8) | UINT32_C(0x88700011);
+ s_aSets[s].aRegs[r].au32[2] = (x << 16) | UINT32_C(0xe000dcba);
+ s_aSets[s].aRegs[r].au32[3] = (x << 20) | UINT32_C(0x00087654);
+ }
+ }
+
+ /* Do the actual testing. */
+ const MYXMMREGSET *pPrev2 = NULL;
+ const MYXMMREGSET *pPrev = NULL;
+ for (int i = 0; i < 1000000; i++)
+ {
+ if ((i % 50000) == 0)
+ {
+ RTTestIPrintf(RTTESTLVL_ALWAYS, ".");
+ pPrev = pPrev2 = NULL; /* May be trashed by the above call. */
+ }
+ for (unsigned s = 0; s < RT_ELEMENTS(s_aSets); s++)
+ {
+ RTUINT128U BadVal;
+ const MYXMMREGSET *pSet = &s_aSets[s];
+ int r = XmmSavingTestLoadSet(pSet, pPrev, &BadVal);
+ if (r-- != 0)
+ {
+ RTTestIFailed("i=%d s=%d r=%d", i, s, r);
+ RTTestIFailureDetails("XMM%-2d = %08x,%08x,%08x,%08x\n",
+ r,
+ BadVal.au32[0],
+ BadVal.au32[1],
+ BadVal.au32[2],
+ BadVal.au32[3]);
+ RTTestIFailureDetails("Expected %08x,%08x,%08x,%08x\n",
+ pPrev->aRegs[r].au32[0],
+ pPrev->aRegs[r].au32[1],
+ pPrev->aRegs[r].au32[2],
+ pPrev->aRegs[r].au32[3]);
+ if (pPrev2)
+ RTTestIFailureDetails("PrevPrev %08x,%08x,%08x,%08x\n",
+ pPrev2->aRegs[r].au32[0],
+ pPrev2->aRegs[r].au32[1],
+ pPrev2->aRegs[r].au32[2],
+ pPrev2->aRegs[r].au32[3]);
+ return;
+ }
+ pPrev2 = pPrev;
+ pPrev = pSet;
+ }
+ }
+ RTTestISubDone();
+}
+
+
+int main()
+{
+ RTTEST hTest;
+ int rc = RTTestInitAndCreate("xmmsaving", &hTest);
+ if (rc)
+ return rc;
+ XmmSavingTest();
+ return RTTestSummaryAndDestroy(hTest);
+}
+