1 files changed, 55 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-SelProtFar32ToFlat32.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-SelProtFar32ToFlat32.c
new file mode 100644
index 00000000..23e7c879
--- /dev/null
+++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-SelProtFar32ToFlat32.c
@@ -0,0 +1,55 @@
+/* $Id: bs3-cmn-SelProtFar32ToFlat32.c $ */
+/** @file
+ * BS3Kit - Bs3SelProtFar32ToFlat32
+ */
+
+/*
+ * Copyright (C) 2007-2022 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
+ */
+
+#include "bs3kit-template-header.h"
+
+
+#undef Bs3SelProtFar32ToFlat32
+BS3_CMN_DEF(uint32_t, Bs3SelProtFar32ToFlat32,(uint32_t off, uint16_t uSel))
+{
+    uint32_t    uRet;
+    PCX86DESC   pEntry;
+    if (!(uSel & X86_SEL_LDT))
+         pEntry = &Bs3Gdt[uSel >> X86_SEL_SHIFT];
+    else
+         pEntry = &Bs3Ldt[uSel >> X86_SEL_SHIFT];
+    uRet  = pEntry->Gen.u16BaseLow;
+    uRet |= (uint32_t)pEntry->Gen.u8BaseHigh1 << 16;
+    uRet |= (uint32_t)pEntry->Gen.u8BaseHigh2 << 24;
+    uRet += off;
+    return uRet;
+}
+