[84459] | 1 | /* $Id: PDMR0DevHlpTracing.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * PDM - Pluggable Device and Driver Manager, Device Helper variants when tracing is enabled.
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| 4 | */
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| 5 |
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| 6 | /*
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[98103] | 7 | * Copyright (C) 2020-2023 Oracle and/or its affiliates.
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[84459] | 8 | *
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[96407] | 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * SPDX-License-Identifier: GPL-3.0-only
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[84459] | 26 | */
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| 27 |
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| 28 |
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| 29 | /*********************************************************************************************************************************
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| 30 | * Header Files *
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| 31 | *********************************************************************************************************************************/
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| 32 | #define LOG_GROUP LOG_GROUP_PDM_DEVICE
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| 33 | #define PDMPCIDEV_INCLUDE_PRIVATE /* Hack to get pdmpcidevint.h included at the right point. */
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| 34 | #include "PDMInternal.h"
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| 35 | #include <VBox/vmm/pdm.h>
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| 36 | #include <VBox/vmm/mm.h>
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| 37 | #include <VBox/vmm/hm.h>
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| 38 | #include <VBox/vmm/pgm.h>
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| 39 | #include <VBox/vmm/iom.h>
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| 40 | #include <VBox/vmm/dbgf.h>
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| 41 | #include <VBox/vmm/ssm.h>
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| 42 | #include <VBox/vmm/vmapi.h>
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| 43 | #include <VBox/vmm/vmm.h>
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| 44 | #include <VBox/vmm/vmcc.h>
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| 45 |
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| 46 | #include <VBox/version.h>
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| 47 | #include <VBox/log.h>
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| 48 | #include <VBox/err.h>
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| 49 | #include <iprt/asm.h>
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| 50 | #include <iprt/assert.h>
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| 51 | #include <iprt/ctype.h>
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| 52 | #include <iprt/string.h>
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| 53 | #include <iprt/thread.h>
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| 54 |
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| 55 | #include "dtrace/VBoxVMM.h"
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| 56 | #include "PDMInline.h"
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| 57 |
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| 58 |
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| 59 | /*********************************************************************************************************************************
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| 60 | * Defined Constants And Macros *
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| 61 | *********************************************************************************************************************************/
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| 62 | /** @name Ring-0 Device Helpers
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| 63 | * @{
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| 64 | */
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| 65 |
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| 66 |
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| 67 | static DECLCALLBACK(VBOXSTRICTRC) pdmR0DevHlpTracing_IoPortNewIn(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t *pu32, unsigned cb)
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| 68 | {
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| 69 | PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
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| 70 |
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| 71 | Assert(!pTrack->fMmio);
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| 72 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 73 | VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnIn(pDevIns, pTrack->pvUser, offPort, pu32, cb);
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| 74 | if (RT_SUCCESS(rcStrict))
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| 75 | DBGFTracerEvtIoPortRead(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, pu32, cb);
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| 76 |
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| 77 | return rcStrict;
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| 78 | }
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| 79 |
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| 80 |
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| 81 | static DECLCALLBACK(VBOXSTRICTRC) pdmR0DevHlpTracing_IoPortNewInStr(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint8_t *pbDst,
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| 82 | uint32_t *pcTransfers, unsigned cb)
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| 83 | {
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| 84 | PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
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| 85 |
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| 86 | Assert(!pTrack->fMmio);
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[84553] | 87 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 88 | uint32_t cTransfersReq = *pcTransfers;
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[84459] | 89 | VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnInStr(pDevIns, pTrack->pvUser, offPort, pbDst, pcTransfers, cb);
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[84553] | 90 | if (RT_SUCCESS(rcStrict))
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| 91 | DBGFTracerEvtIoPortReadStr(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, pbDst, cb,
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| 92 | cTransfersReq, cTransfersReq - *pcTransfers);
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[84459] | 93 |
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| 94 | return rcStrict;
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| 95 | }
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| 96 |
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| 97 |
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| 98 | static DECLCALLBACK(VBOXSTRICTRC) pdmR0DevHlpTracing_IoPortNewOut(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t u32, unsigned cb)
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| 99 | {
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| 100 | PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
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| 101 |
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| 102 | Assert(!pTrack->fMmio);
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| 103 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 104 | VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnOut(pDevIns, pTrack->pvUser, offPort, u32, cb);
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| 105 | if (RT_SUCCESS(rcStrict))
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| 106 | DBGFTracerEvtIoPortWrite(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, &u32, cb);
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| 107 |
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| 108 | return rcStrict;
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| 109 | }
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| 110 |
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| 111 |
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| 112 | static DECLCALLBACK(VBOXSTRICTRC) pdmR0DevHlpTracing_IoPortNewOutStr(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, const uint8_t *pbSrc,
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| 113 | uint32_t *pcTransfers, unsigned cb)
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| 114 | {
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| 115 | PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
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| 116 |
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| 117 | Assert(!pTrack->fMmio);
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[84553] | 118 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 119 | uint32_t cTransfersReq = *pcTransfers;
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[84459] | 120 | VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnOutStr(pDevIns, pTrack->pvUser, offPort, pbSrc, pcTransfers, cb);
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[84553] | 121 | if (RT_SUCCESS(rcStrict))
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| 122 | DBGFTracerEvtIoPortWriteStr(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, pbSrc, cb,
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| 123 | cTransfersReq, cTransfersReq - *pcTransfers);
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[84459] | 124 |
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| 125 | return rcStrict;
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| 126 | }
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| 127 |
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| 128 |
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| 129 | static DECLCALLBACK(VBOXSTRICTRC) pdmR0DevHlpTracing_MmioRead(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS off, void *pv, uint32_t cb)
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| 130 | {
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| 131 | PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
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| 132 |
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| 133 | Assert(pTrack->fMmio);
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| 134 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 135 | VBOXSTRICTRC rcStrict = pTrack->u.Mmio.pfnRead(pDevIns, pTrack->pvUser, off, pv, cb);
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| 136 | if (RT_SUCCESS(rcStrict))
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| 137 | DBGFTracerEvtMmioRead(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.Mmio.hMmioRegion, off, pv, cb);
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| 138 |
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| 139 | return rcStrict;
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| 140 | }
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| 141 |
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| 142 |
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| 143 | static DECLCALLBACK(VBOXSTRICTRC) pdmR0DevHlpTracing_MmioWrite(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS off, void const *pv, uint32_t cb)
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| 144 | {
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| 145 | PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
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| 146 |
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| 147 | Assert(pTrack->fMmio);
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| 148 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 149 | VBOXSTRICTRC rcStrict = pTrack->u.Mmio.pfnWrite(pDevIns, pTrack->pvUser, off, pv, cb);
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| 150 | if (RT_SUCCESS(rcStrict))
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| 151 | DBGFTracerEvtMmioWrite(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.Mmio.hMmioRegion, off, pv, cb);
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| 152 |
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| 153 | return rcStrict;
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| 154 | }
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| 155 |
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| 156 |
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| 157 | static DECLCALLBACK(VBOXSTRICTRC) pdmR0DevHlpTracing_MmioFill(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS off,
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| 158 | uint32_t u32Item, uint32_t cbItem, uint32_t cItems)
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| 159 | {
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| 160 | PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
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| 161 |
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| 162 | Assert(pTrack->fMmio);
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| 163 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 164 | VBOXSTRICTRC rcStrict = pTrack->u.Mmio.pfnFill(pDevIns, pTrack->pvUser, off, u32Item, cbItem, cItems);
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| 165 | if (RT_SUCCESS(rcStrict))
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| 166 | DBGFTracerEvtMmioFill(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.Mmio.hMmioRegion, off,
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| 167 | u32Item, cbItem, cItems);
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| 168 |
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| 169 | return rcStrict;
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| 170 | }
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| 171 |
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| 172 |
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| 173 | /** @interface_method_impl{PDMDEVHLPR0,pfnIoPortSetUpContextEx} */
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[85126] | 174 | DECL_HIDDEN_CALLBACK(int)
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| 175 | pdmR0DevHlpTracing_IoPortSetUpContextEx(PPDMDEVINS pDevIns, IOMIOPORTHANDLE hIoPorts,
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| 176 | PFNIOMIOPORTNEWOUT pfnOut, PFNIOMIOPORTNEWIN pfnIn,
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| 177 | PFNIOMIOPORTNEWOUTSTRING pfnOutStr, PFNIOMIOPORTNEWINSTRING pfnInStr, void *pvUser)
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[84459] | 178 | {
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| 179 | PDMDEV_ASSERT_DEVINS(pDevIns);
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| 180 | LogFlow(("pdmR0DevHlp_IoPortSetUpContextEx: caller='%s'/%d: hIoPorts=%#x pfnOut=%p pfnIn=%p pfnOutStr=%p pfnInStr=%p pvUser=%p\n",
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| 181 | pDevIns->pReg->szName, pDevIns->iInstance, hIoPorts, pfnOut, pfnIn, pfnOutStr, pfnInStr, pvUser));
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| 182 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 183 | VM_ASSERT_EMT0_RETURN(pGVM, VERR_VM_THREAD_NOT_EMT);
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| 184 | VM_ASSERT_STATE_RETURN(pGVM, VMSTATE_CREATING, VERR_VM_INVALID_VM_STATE);
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| 185 |
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| 186 | int rc = VINF_SUCCESS;
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| 187 | if (pDevIns->Internal.s.idxDbgfTraceTrackNext < pDevIns->Internal.s.cDbgfTraceTrackMax)
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| 188 | {
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| 189 | PPDMDEVINSDBGFTRACK pTrack = &pDevIns->Internal.s.paDbgfTraceTrack[pDevIns->Internal.s.idxDbgfTraceTrackNext];
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| 190 | rc = IOMR0IoPortSetUpContext(pGVM, pDevIns, hIoPorts,
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| 191 | pfnOut ? pdmR0DevHlpTracing_IoPortNewOut : NULL,
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| 192 | pfnIn ? pdmR0DevHlpTracing_IoPortNewIn : NULL,
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| 193 | pfnOutStr ? pdmR0DevHlpTracing_IoPortNewOutStr : NULL,
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| 194 | pfnInStr ? pdmR0DevHlpTracing_IoPortNewInStr : NULL,
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| 195 | pTrack);
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| 196 | if (RT_SUCCESS(rc))
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| 197 | {
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| 198 | pTrack->fMmio = false;
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| 199 | pTrack->pvUser = pvUser;
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| 200 | pTrack->u.IoPort.hIoPorts = hIoPorts;
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| 201 | pTrack->u.IoPort.pfnOut = pfnOut;
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| 202 | pTrack->u.IoPort.pfnIn = pfnIn;
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| 203 | pTrack->u.IoPort.pfnOutStr = pfnOutStr;
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| 204 | pTrack->u.IoPort.pfnInStr = pfnInStr;
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| 205 | pDevIns->Internal.s.idxDbgfTraceTrackNext++;
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| 206 | }
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| 207 | }
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| 208 | else
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| 209 | rc = VERR_OUT_OF_RESOURCES;
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| 210 |
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| 211 | LogFlow(("pdmR0DevHlp_IoPortSetUpContextEx: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
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| 212 | return rc;
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| 213 | }
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| 214 |
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| 215 |
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| 216 | /** @interface_method_impl{PDMDEVHLPR0,pfnMmioSetUpContextEx} */
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[85126] | 217 | DECL_HIDDEN_CALLBACK(int)
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| 218 | pdmR0DevHlpTracing_MmioSetUpContextEx(PPDMDEVINS pDevIns, IOMMMIOHANDLE hRegion, PFNIOMMMIONEWWRITE pfnWrite,
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| 219 | PFNIOMMMIONEWREAD pfnRead, PFNIOMMMIONEWFILL pfnFill, void *pvUser)
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[84459] | 220 | {
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| 221 | PDMDEV_ASSERT_DEVINS(pDevIns);
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| 222 | LogFlow(("pdmR0DevHlp_MmioSetUpContextEx: caller='%s'/%d: hRegion=%#x pfnWrite=%p pfnRead=%p pfnFill=%p pvUser=%p\n",
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| 223 | pDevIns->pReg->szName, pDevIns->iInstance, hRegion, pfnWrite, pfnRead, pfnFill, pvUser));
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| 224 | PGVM pGVM = pDevIns->Internal.s.pGVM;
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| 225 | VM_ASSERT_EMT0_RETURN(pGVM, VERR_VM_THREAD_NOT_EMT);
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| 226 | VM_ASSERT_STATE_RETURN(pGVM, VMSTATE_CREATING, VERR_VM_INVALID_VM_STATE);
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| 227 |
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| 228 | int rc = VINF_SUCCESS;
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| 229 | if (pDevIns->Internal.s.idxDbgfTraceTrackNext < pDevIns->Internal.s.cDbgfTraceTrackMax)
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| 230 | {
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| 231 | PPDMDEVINSDBGFTRACK pTrack = &pDevIns->Internal.s.paDbgfTraceTrack[pDevIns->Internal.s.idxDbgfTraceTrackNext];
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| 232 |
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| 233 | rc = IOMR0MmioSetUpContext(pGVM, pDevIns, hRegion,
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| 234 | pfnWrite ? pdmR0DevHlpTracing_MmioWrite : NULL,
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| 235 | pfnRead ? pdmR0DevHlpTracing_MmioRead : NULL,
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| 236 | pfnFill ? pdmR0DevHlpTracing_MmioFill : NULL,
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| 237 | pTrack);
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| 238 | if (RT_SUCCESS(rc))
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| 239 | {
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| 240 | pTrack->fMmio = true;
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| 241 | pTrack->pvUser = pvUser;
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| 242 | pTrack->u.Mmio.hMmioRegion = hRegion;
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| 243 | pTrack->u.Mmio.pfnWrite = pfnWrite;
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| 244 | pTrack->u.Mmio.pfnRead = pfnRead;
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| 245 | pTrack->u.Mmio.pfnFill = pfnFill;
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| 246 | pDevIns->Internal.s.idxDbgfTraceTrackNext++;
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| 247 | }
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| 248 | }
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| 249 | else
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| 250 | rc = VERR_OUT_OF_RESOURCES;
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| 251 |
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| 252 | LogFlow(("pdmR0DevHlp_MmioSetUpContextEx: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
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| 253 | return rc;
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| 254 | }
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| 255 |
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| 256 |
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| 257 | /** @interface_method_impl{PDMDEVHLPR0,pfnPhysRead} */
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[85126] | 258 | DECL_HIDDEN_CALLBACK(int)
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| 259 | pdmR0DevHlpTracing_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead, uint32_t fFlags)
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[84459] | 260 | {
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| 261 | RT_NOREF(fFlags);
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| 262 |
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| 263 | PDMDEV_ASSERT_DEVINS(pDevIns);
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| 264 | LogFlow(("pdmR0DevHlp_PhysRead: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbRead=%#x\n",
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| 265 | pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbRead));
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| 266 |
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| 267 | VBOXSTRICTRC rcStrict = PGMPhysRead(pDevIns->Internal.s.pGVM, GCPhys, pvBuf, cbRead, PGMACCESSORIGIN_DEVICE);
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| 268 | AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); /** @todo track down the users for this bugger. */
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| 269 |
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| 270 | if (!(fFlags & PDM_DEVHLP_PHYS_RW_F_DATA_USER))
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| 271 | DBGFTracerEvtGCPhysRead(pDevIns->Internal.s.pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, GCPhys, pvBuf, cbRead);
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| 272 |
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| 273 | Log(("pdmR0DevHlp_PhysRead: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, VBOXSTRICTRC_VAL(rcStrict) ));
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| 274 | return VBOXSTRICTRC_VAL(rcStrict);
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| 275 | }
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| 276 |
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| 277 |
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| 278 | /** @interface_method_impl{PDMDEVHLPR0,pfnPhysWrite} */
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[85126] | 279 | DECL_HIDDEN_CALLBACK(int)
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| 280 | pdmR0DevHlpTracing_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite, uint32_t fFlags)
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[84459] | 281 | {
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| 282 | RT_NOREF(fFlags);
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| 283 |
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| 284 | PDMDEV_ASSERT_DEVINS(pDevIns);
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| 285 | LogFlow(("pdmR0DevHlp_PhysWrite: caller=%p/%d: GCPhys=%RGp pvBuf=%p cbWrite=%#x\n",
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| 286 | pDevIns, pDevIns->iInstance, GCPhys, pvBuf, cbWrite));
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| 287 |
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| 288 | VBOXSTRICTRC rcStrict = PGMPhysWrite(pDevIns->Internal.s.pGVM, GCPhys, pvBuf, cbWrite, PGMACCESSORIGIN_DEVICE);
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| 289 | AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); /** @todo track down the users for this bugger. */
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| 290 |
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| 291 | if (!(fFlags & PDM_DEVHLP_PHYS_RW_F_DATA_USER))
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| 292 | DBGFTracerEvtGCPhysWrite(pDevIns->Internal.s.pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, GCPhys, pvBuf, cbWrite);
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| 293 |
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| 294 | Log(("pdmR0DevHlp_PhysWrite: caller=%p/%d: returns %Rrc\n", pDevIns, pDevIns->iInstance, VBOXSTRICTRC_VAL(rcStrict) ));
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| 295 | return VBOXSTRICTRC_VAL(rcStrict);
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| 296 | }
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| 297 |
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| 298 |
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| 299 | /** @interface_method_impl{PDMDEVHLPR0,pfnPCIPhysRead} */
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[85126] | 300 | DECL_HIDDEN_CALLBACK(int)
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[84459] | 301 | pdmR0DevHlpTracing_PCIPhysRead(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead, uint32_t fFlags)
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| 302 | {
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| 303 | PDMDEV_ASSERT_DEVINS(pDevIns);
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| 304 | if (!pPciDev) /* NULL is an alias for the default PCI device. */
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| 305 | pPciDev = pDevIns->apPciDevs[0];
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| 306 | AssertReturn(pPciDev, VERR_PDM_NOT_PCI_DEVICE);
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| 307 | PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(pDevIns, pPciDev);
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| 308 |
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| 309 | #ifndef PDM_DO_NOT_RESPECT_PCI_BM_BIT
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| 310 | /*
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| 311 | * Just check the busmaster setting here and forward the request to the generic read helper.
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| 312 | */
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| 313 | if (PCIDevIsBusmaster(pPciDev))
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| 314 | { /* likely */ }
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| 315 | else
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| 316 | {
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| 317 | Log(("pdmRCDevHlp_PCIPhysRead: caller=%p/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbRead=%#zx\n",
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| 318 | pDevIns, pDevIns->iInstance, VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbRead));
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| 319 | memset(pvBuf, 0xff, cbRead);
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| 320 | return VERR_PDM_NOT_PCI_BUS_MASTER;
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| 321 | }
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| 322 | #endif
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| 323 |
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[88639] | 324 | #if defined(VBOX_WITH_IOMMU_AMD) || defined(VBOX_WITH_IOMMU_INTEL)
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[87477] | 325 | int rc = pdmIommuMemAccessRead(pDevIns, pPciDev, GCPhys, pvBuf, cbRead, fFlags);
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[88638] | 326 | if ( rc == VERR_IOMMU_NOT_PRESENT
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| 327 | || rc == VERR_IOMMU_CANNOT_CALL_SELF)
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| 328 | { /* likely - ASSUMING most VMs won't be configured with an IOMMU. */ }
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| 329 | else
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[87371] | 330 | return rc;
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[84459] | 331 | #endif
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| 332 |
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| 333 | return pDevIns->pHlpR0->pfnPhysRead(pDevIns, GCPhys, pvBuf, cbRead, fFlags);
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| 334 | }
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| 335 |
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| 336 |
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| 337 | /** @interface_method_impl{PDMDEVHLPR0,pfnPCIPhysWrite} */
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[85126] | 338 | DECL_HIDDEN_CALLBACK(int)
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[84459] | 339 | pdmR0DevHlpTracing_PCIPhysWrite(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite, uint32_t fFlags)
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| 340 | {
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| 341 | PDMDEV_ASSERT_DEVINS(pDevIns);
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| 342 | if (!pPciDev) /* NULL is an alias for the default PCI device. */
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| 343 | pPciDev = pDevIns->apPciDevs[0];
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| 344 | AssertReturn(pPciDev, VERR_PDM_NOT_PCI_DEVICE);
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| 345 | PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(pDevIns, pPciDev);
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| 346 |
|
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| 347 | #ifndef PDM_DO_NOT_RESPECT_PCI_BM_BIT
|
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| 348 | /*
|
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| 349 | * Just check the busmaster setting here and forward the request to the generic read helper.
|
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| 350 | */
|
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| 351 | if (PCIDevIsBusmaster(pPciDev))
|
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| 352 | { /* likely */ }
|
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| 353 | else
|
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| 354 | {
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[87474] | 355 | LogFunc(("caller=%p/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbWrite=%#zx\n", pDevIns, pDevIns->iInstance,
|
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| 356 | VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbWrite));
|
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[84459] | 357 | return VERR_PDM_NOT_PCI_BUS_MASTER;
|
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| 358 | }
|
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| 359 | #endif
|
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| 360 |
|
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[88639] | 361 | #if defined(VBOX_WITH_IOMMU_AMD) || defined(VBOX_WITH_IOMMU_INTEL)
|
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[87477] | 362 | int rc = pdmIommuMemAccessWrite(pDevIns, pPciDev, GCPhys, pvBuf, cbWrite, fFlags);
|
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[88638] | 363 | if ( rc == VERR_IOMMU_NOT_PRESENT
|
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| 364 | || rc == VERR_IOMMU_CANNOT_CALL_SELF)
|
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| 365 | { /* likely - ASSUMING most VMs won't be configured with an IOMMU. */ }
|
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| 366 | else
|
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[87371] | 367 | return rc;
|
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[84459] | 368 | #endif
|
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| 369 |
|
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| 370 | return pDevIns->pHlpR0->pfnPhysWrite(pDevIns, GCPhys, pvBuf, cbWrite, fFlags);
|
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| 371 | }
|
---|
| 372 |
|
---|
| 373 |
|
---|
| 374 | /** @interface_method_impl{PDMDEVHLPR0,pfnPCISetIrq} */
|
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[85126] | 375 | DECL_HIDDEN_CALLBACK(void) pdmR0DevHlpTracing_PCISetIrq(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, int iIrq, int iLevel)
|
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[84459] | 376 | {
|
---|
| 377 | PDMDEV_ASSERT_DEVINS(pDevIns);
|
---|
| 378 | if (!pPciDev) /* NULL is an alias for the default PCI device. */
|
---|
| 379 | pPciDev = pDevIns->apPciDevs[0];
|
---|
| 380 | AssertReturnVoid(pPciDev);
|
---|
| 381 | LogFlow(("pdmR0DevHlpTracing_PCISetIrq: caller=%p/%d: pPciDev=%p:{%#x} iIrq=%d iLevel=%d\n",
|
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| 382 | pDevIns, pDevIns->iInstance, pPciDev, pPciDev->uDevFn, iIrq, iLevel));
|
---|
| 383 | PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(pDevIns, pPciDev);
|
---|
| 384 |
|
---|
| 385 | PGVM pGVM = pDevIns->Internal.s.pGVM;
|
---|
| 386 | size_t const idxBus = pPciDev->Int.s.idxPdmBus;
|
---|
| 387 | AssertReturnVoid(idxBus < RT_ELEMENTS(pGVM->pdmr0.s.aPciBuses));
|
---|
| 388 | PPDMPCIBUSR0 pPciBusR0 = &pGVM->pdmr0.s.aPciBuses[idxBus];
|
---|
| 389 |
|
---|
| 390 | DBGFTracerEvtIrq(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, iIrq, iLevel);
|
---|
| 391 |
|
---|
| 392 | pdmLock(pGVM);
|
---|
| 393 |
|
---|
| 394 | uint32_t uTagSrc;
|
---|
| 395 | if (iLevel & PDM_IRQ_LEVEL_HIGH)
|
---|
| 396 | {
|
---|
| 397 | pDevIns->Internal.s.pIntR3R0->uLastIrqTag = uTagSrc = pdmCalcIrqTag(pGVM, pDevIns->Internal.s.pInsR3R0->idTracing);
|
---|
| 398 | if (iLevel == PDM_IRQ_LEVEL_HIGH)
|
---|
| 399 | VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pGVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
|
---|
| 400 | else
|
---|
| 401 | VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pGVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
|
---|
| 402 | }
|
---|
| 403 | else
|
---|
| 404 | uTagSrc = pDevIns->Internal.s.pIntR3R0->uLastIrqTag;
|
---|
| 405 |
|
---|
| 406 | if (pPciBusR0->pDevInsR0)
|
---|
| 407 | {
|
---|
| 408 | pPciBusR0->pfnSetIrqR0(pPciBusR0->pDevInsR0, pPciDev, iIrq, iLevel, uTagSrc);
|
---|
| 409 |
|
---|
| 410 | pdmUnlock(pGVM);
|
---|
| 411 |
|
---|
| 412 | if (iLevel == PDM_IRQ_LEVEL_LOW)
|
---|
| 413 | VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pGVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
|
---|
| 414 | }
|
---|
| 415 | else
|
---|
| 416 | {
|
---|
| 417 | pdmUnlock(pGVM);
|
---|
| 418 |
|
---|
| 419 | /* queue for ring-3 execution. */
|
---|
[93609] | 420 | PPDMDEVHLPTASK pTask = (PPDMDEVHLPTASK)PDMQueueAlloc(pGVM, pGVM->pdm.s.hDevHlpQueue, pGVM);
|
---|
[84459] | 421 | AssertReturnVoid(pTask);
|
---|
| 422 |
|
---|
| 423 | pTask->enmOp = PDMDEVHLPTASKOP_PCI_SET_IRQ;
|
---|
| 424 | pTask->pDevInsR3 = PDMDEVINS_2_R3PTR(pDevIns);
|
---|
[88641] | 425 | pTask->u.PciSetIrq.iIrq = iIrq;
|
---|
| 426 | pTask->u.PciSetIrq.iLevel = iLevel;
|
---|
| 427 | pTask->u.PciSetIrq.uTagSrc = uTagSrc;
|
---|
[93609] | 428 | pTask->u.PciSetIrq.idxPciDev = pPciDev->Int.s.idxSubDev;
|
---|
[84459] | 429 |
|
---|
[93609] | 430 | PDMQueueInsert(pGVM, pGVM->pdm.s.hDevHlpQueue, pGVM, &pTask->Core);
|
---|
[84459] | 431 | }
|
---|
| 432 |
|
---|
| 433 | LogFlow(("pdmR0DevHlpTracing_PCISetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
|
---|
| 434 | }
|
---|
| 435 |
|
---|
| 436 |
|
---|
| 437 | /** @interface_method_impl{PDMDEVHLPR0,pfnISASetIrq} */
|
---|
[85126] | 438 | DECL_HIDDEN_CALLBACK(void) pdmR0DevHlpTracing_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
|
---|
[84459] | 439 | {
|
---|
| 440 | PDMDEV_ASSERT_DEVINS(pDevIns);
|
---|
| 441 | LogFlow(("pdmR0DevHlpTracing_ISASetIrq: caller=%p/%d: iIrq=%d iLevel=%d\n", pDevIns, pDevIns->iInstance, iIrq, iLevel));
|
---|
| 442 | PGVM pGVM = pDevIns->Internal.s.pGVM;
|
---|
| 443 |
|
---|
| 444 | DBGFTracerEvtIrq(pGVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, iIrq, iLevel);
|
---|
| 445 |
|
---|
| 446 | pdmLock(pGVM);
|
---|
| 447 | uint32_t uTagSrc;
|
---|
| 448 | if (iLevel & PDM_IRQ_LEVEL_HIGH)
|
---|
| 449 | {
|
---|
| 450 | pDevIns->Internal.s.pIntR3R0->uLastIrqTag = uTagSrc = pdmCalcIrqTag(pGVM, pDevIns->Internal.s.pInsR3R0->idTracing);
|
---|
| 451 | if (iLevel == PDM_IRQ_LEVEL_HIGH)
|
---|
| 452 | VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pGVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
|
---|
| 453 | else
|
---|
| 454 | VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pGVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
|
---|
| 455 | }
|
---|
| 456 | else
|
---|
| 457 | uTagSrc = pDevIns->Internal.s.pIntR3R0->uLastIrqTag;
|
---|
| 458 |
|
---|
| 459 | bool fRc = pdmR0IsaSetIrq(pGVM, iIrq, iLevel, uTagSrc);
|
---|
| 460 |
|
---|
| 461 | if (iLevel == PDM_IRQ_LEVEL_LOW && fRc)
|
---|
| 462 | VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pGVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
|
---|
| 463 | pdmUnlock(pGVM);
|
---|
| 464 | LogFlow(("pdmR0DevHlpTracing_ISASetIrq: caller=%p/%d: returns void; uTagSrc=%#x\n", pDevIns, pDevIns->iInstance, uTagSrc));
|
---|
| 465 | }
|
---|
| 466 |
|
---|
| 467 |
|
---|
| 468 | /** @} */
|
---|
| 469 |
|
---|