| 1 | /* $Id: bs3-cmn-pic.h 76579 2019-01-01 06:14:44Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Internal PIC Defines, Variables and Functions.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #ifndef BS3KIT_INCLUDED_bs3_cmn_pic_h
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| 28 | #define BS3KIT_INCLUDED_bs3_cmn_pic_h
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| 29 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 30 | # pragma once
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| 31 | #endif
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| 32 |
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| 33 | #include "bs3kit.h"
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| 34 |
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| 35 |
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| 36 | /** The master PIC port (base). */
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| 37 | #define BS3_PIC_PORT_MASTER UINT8_C(0x20)
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| 38 | /** The slave PIC port (base). */
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| 39 | #define BS3_PIC_PORT_SLAVE UINT8_C(0xa0)
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| 40 |
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| 41 | /** The init command. */
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| 42 | #define BS3_PIC_CMD_INIT UINT8_C(0x10)
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| 43 | /** 4th init step option for the init command. */
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| 44 | #define BS3_PIC_CMD_INIT_F_4STEP UINT8_C(0x01)
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| 45 |
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| 46 | /** Auto end of interrupt flag for the 4th init step. */
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| 47 | #define BS3_PIC_I4_F_AUTO_EOI UINT8_C(0x01)
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| 48 |
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| 49 |
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| 50 | RT_C_DECLS_BEGIN
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| 51 |
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| 52 | extern bool g_fBs3PicConfigured;
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| 53 |
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| 54 | RT_C_DECLS_END
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| 55 |
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| 56 |
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| 57 | #include "bs3kit-mangling-code.h"
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| 58 |
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| 59 | #endif /* !BS3KIT_INCLUDED_bs3_cmn_pic_h */
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| 60 |
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