1 files changed, 45 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-PicUpdateMask.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-PicUpdateMask.c
new file mode 100644
index 00000000..dbd532e0
--- /dev/null
+++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-PicUpdateMask.c
@@ -0,0 +1,45 @@
+/* $Id: bs3-cmn-PicUpdateMask.c $ */
+/** @file
+ * BS3Kit - PIC Setup.
+ */
+
+/*
+ * Copyright (C) 2007-2019 Oracle Corporation
+ *
+ * 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.
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "bs3kit-template-header.h"
+#include <iprt/asm-amd64-x86.h>
+#include "bs3-cmn-pic.h"
+
+
+#undef Bs3PicUpdateMask
+BS3_CMN_DEF(uint16_t, Bs3PicUpdateMask,(uint16_t fAndMask, uint16_t fOrMask))
+{
+    uint8_t bPic0Mask = (ASMInU8(BS3_PIC_PORT_MASTER + 1) & (uint8_t)fAndMask) | (uint8_t)fOrMask;
+    uint8_t bPic1Mask = (ASMInU8(BS3_PIC_PORT_SLAVE  + 1) & (fAndMask >> 8))   | (fOrMask >> 8);
+    ASMOutU8(BS3_PIC_PORT_SLAVE  + 1, bPic1Mask);
+    ASMOutU8(BS3_PIC_PORT_MASTER + 1, bPic0Mask);
+    return RT_MAKE_U16(bPic0Mask, bPic1Mask);
+}
+