VirtualBox

source: vbox/trunk/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-PicUpdateMask.c@ 62410

Last change on this file since 62410 was 61389, checked in by vboxsync, 9 years ago

bs3kit: Use PIT for timing out the FPU testcase.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 1.9 KB
Line 
1/* $Id: bs3-cmn-PicUpdateMask.c 61389 2016-06-02 00:04:34Z vboxsync $ */
2/** @file
3 * BS3Kit - PIC Setup.
4 */
5
6/*
7 * Copyright (C) 2007-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27/*********************************************************************************************************************************
28* Header Files *
29*********************************************************************************************************************************/
30#include "bs3kit-template-header.h"
31#include <iprt/asm-amd64-x86.h>
32#include "bs3-cmn-pic.h"
33
34
35#undef Bs3PicUpdateMask
36BS3_CMN_DEF(uint16_t, Bs3PicUpdateMask,(uint16_t fAndMask, uint16_t fOrMask))
37{
38 uint8_t bPic0Mask = (ASMInU8(BS3_PIC_PORT_MASTER + 1) & (uint8_t)fAndMask) | (uint8_t)fOrMask;
39 uint8_t bPic1Mask = (ASMInU8(BS3_PIC_PORT_SLAVE + 1) & (fAndMask >> 8)) | (fOrMask >> 8);
40 ASMOutU8(BS3_PIC_PORT_SLAVE + 1, bPic1Mask);
41 ASMOutU8(BS3_PIC_PORT_MASTER + 1, bPic0Mask);
42 return RT_MAKE_U16(bPic0Mask, bPic1Mask);
43}
44
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