Last change
on this file since 78033 was 76585, checked in by vboxsync, 6 years ago |
*: scm --fix-header-guard-endif
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1 | /* $Id: PDMInline.h 76585 2019-01-01 06:31:29Z vboxsync $ */
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2 | /** @file
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3 | * PDM - Internal header file containing the inlined functions.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2012-2019 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 |
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18 | #ifndef VMM_INCLUDED_SRC_include_PDMInline_h
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19 | #define VMM_INCLUDED_SRC_include_PDMInline_h
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20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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21 | # pragma once
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22 | #endif
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23 |
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24 |
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25 | /**
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26 | * Calculates the next IRQ tag.
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27 | *
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28 | * @returns IRQ tag.
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29 | * @param pVM The cross context VM structure.
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30 | * @param idTracer The ID of the source device.
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31 | */
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32 | DECLINLINE(uint32_t) pdmCalcIrqTag(PVM pVM, uint32_t idTracer)
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33 | {
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34 | uint32_t uTag = (pVM->pdm.s.uIrqTag + 1) & 0x3ff; /* {0..1023} */
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35 | if (!uTag)
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36 | uTag++;
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37 | pVM->pdm.s.uIrqTag = uTag |= (idTracer << 16);
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38 | return uTag;
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39 | }
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40 |
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41 | #endif /* !VMM_INCLUDED_SRC_include_PDMInline_h */
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42 |
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