VirtualBox

source: vbox/trunk/src/VBox/VMM/PGMBth.h@ 2017

Last change on this file since 2017 was 23, checked in by vboxsync, 18 years ago

string.h & stdio.h + header cleanups.
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 6.8 KB
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1/* $Id: PGMBth.h 23 2007-01-15 14:08:28Z vboxsync $ */
2/** @file
3 * VBox - Page Manager / Monitor, Shadow+Guest Paging Template.
4 *
5 * This file is a big challenge!
6 */
7
8/*
9 * Copyright (C) 2006 InnoTek Systemberatung GmbH
10 *
11 * This file is part of VirtualBox Open Source Edition (OSE), as
12 * available from http://www.virtualbox.org. This file is free software;
13 * you can redistribute it and/or modify it under the terms of the GNU
14 * General Public License as published by the Free Software Foundation,
15 * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
16 * distribution. VirtualBox OSE is distributed in the hope that it will
17 * be useful, but WITHOUT ANY WARRANTY of any kind.
18 *
19 * If you received this file as part of a commercial VirtualBox
20 * distribution, then only the terms of your commercial VirtualBox
21 * license agreement apply instead of the previous paragraph.
22 */
23
24
25/*******************************************************************************
26* Internal Functions *
27*******************************************************************************/
28__BEGIN_DECLS
29PGM_BTH_DECL(int, InitData)(PVM pVM, PPGMMODEDATA pModeData, bool fResolveGCAndR0);
30PGM_BTH_DECL(int, Enter)(PVM pVM, RTGCPHYS GCPhysCR3);
31PGM_BTH_DECL(int, Relocate)(PVM pVM, RTGCUINTPTR offDelta);
32
33PGM_BTH_DECL(int, Trap0eHandler)(PVM pVM, RTGCUINT uErr, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault);
34PGM_BTH_DECL(int, SyncCR3)(PVM pVM, uint32_t cr0, uint32_t cr3, uint32_t cr4, bool fGlobal);
35PGM_BTH_DECL(int, SyncPage)(PVM pVM, VBOXPDE PdeSrc, RTGCUINTPTR GCPtrPage, unsigned cPages, unsigned uError);
36PGM_BTH_DECL(int, VerifyAccessSyncPage)(PVM pVM, RTGCUINTPTR Addr, unsigned fPage, unsigned uError);
37PGM_BTH_DECL(int, InvalidatePage)(PVM pVM, RTGCPTR GCPtrPage);
38PGM_BTH_DECL(int, PrefetchPage)(PVM pVM, RTGCUINTPTR GCPtrPage);
39PGM_BTH_DECL(unsigned, AssertCR3)(PVM pVM, uint32_t cr3, uint32_t cr4, RTGCUINTPTR GCPtr = 0, RTGCUINTPTR cb = ~(RTGCUINTPTR)0);
40__END_DECLS
41
42
43/**
44 * Initializes the both bit of the paging mode data.
45 *
46 * @returns VBox status code.
47 * @param pVM The VM handle.
48 * @param fResolveGCAndR0 Indicate whether or not GC and Ring-0 symbols can be resolved now.
49 * This is used early in the init process to avoid trouble with PDM
50 * not being initialized yet.
51 */
52PGM_BTH_DECL(int, InitData)(PVM pVM, PPGMMODEDATA pModeData, bool fResolveGCAndR0)
53{
54 Assert(pModeData->uShwType == PGM_SHW_TYPE); Assert(pModeData->uGstType == PGM_GST_TYPE);
55
56 /* Ring 3 */
57 pModeData->pfnR3BthRelocate = PGM_BTH_NAME(Relocate);
58 pModeData->pfnR3BthSyncCR3 = PGM_BTH_NAME(SyncCR3);
59 pModeData->pfnR3BthTrap0eHandler = PGM_BTH_NAME(Trap0eHandler);
60 pModeData->pfnR3BthInvalidatePage = PGM_BTH_NAME(InvalidatePage);
61 pModeData->pfnR3BthSyncPage = PGM_BTH_NAME(SyncPage);
62 pModeData->pfnR3BthPrefetchPage = PGM_BTH_NAME(PrefetchPage);
63 pModeData->pfnR3BthVerifyAccessSyncPage = PGM_BTH_NAME(VerifyAccessSyncPage);
64#ifdef VBOX_STRICT
65 PGM_BTH_PFN(AssertCR3, pVM) = PGM_BTH_NAME(AssertCR3);
66#endif
67
68 if (fResolveGCAndR0)
69 {
70 int rc;
71
72 /* GC */
73 rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(Trap0eHandler), &pModeData->pfnGCBthTrap0eHandler);
74 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(Trap0eHandler), rc), rc);
75 rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(InvalidatePage), &pModeData->pfnGCBthInvalidatePage);
76 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(InvalidatePage), rc), rc);
77 rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(SyncCR3), &pModeData->pfnGCBthSyncCR3);
78 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(SyncPage), rc), rc);
79 rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(SyncPage), &pModeData->pfnGCBthSyncPage);
80 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(SyncPage), rc), rc);
81 rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(PrefetchPage), &pModeData->pfnGCBthPrefetchPage);
82 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(PrefetchPage), rc), rc);
83 rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(VerifyAccessSyncPage), &pModeData->pfnGCBthVerifyAccessSyncPage);
84 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(VerifyAccessSyncPage), rc), rc);
85#ifdef VBOX_STRICT
86 rc = PDMR3GetSymbolGC(pVM, NULL, PGM_BTH_NAME_GC_STR(AssertCR3), &pModeData->pfnGCBthAssertCR3);
87 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_GC_STR(AssertCR3), rc), rc);
88#endif
89
90 /* Ring 0 */
91 rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(Trap0eHandler), (void **)&pModeData->pfnR0BthTrap0eHandler);
92 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(Trap0eHandler), rc), rc);
93 rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(InvalidatePage), (void **)&pModeData->pfnR0BthInvalidatePage);
94 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(InvalidatePage), rc), rc);
95 rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(SyncCR3), &pModeData->pfnR0BthSyncCR3);
96 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(SyncCR3), rc), rc);
97 rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(SyncPage), (void **)&pModeData->pfnR0BthSyncPage);
98 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(SyncPage), rc), rc);
99 rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(PrefetchPage), (void **)&pModeData->pfnR0BthPrefetchPage);
100 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(PrefetchPage), rc), rc);
101 rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(VerifyAccessSyncPage), (void **)&pModeData->pfnR0BthVerifyAccessSyncPage);
102 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(VerifyAccessSyncPage), rc), rc);
103#ifdef VBOX_STRICT
104 rc = PDMR3GetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(AssertCR3), (void **)&pModeData->pfnR0BthAssertCR3);
105 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(AssertCR3), rc), rc);
106#endif
107 }
108 return VINF_SUCCESS;
109}
110
111
112/**
113 * Enters the shadow+guest mode.
114 *
115 * @returns VBox status code.
116 * @param pVM VM handle.
117 * @param GCPhysCR3 The physical address from the CR3 register.
118 */
119PGM_BTH_DECL(int, Enter)(PVM pVM, RTGCPHYS GCPhysCR3)
120{
121 /* nothing special to do here - InitData does the job. */
122 return VINF_SUCCESS;
123}
124
125
126/**
127 * Relocate any GC pointers related to shadow mode paging.
128 *
129 * @returns VBox status code.
130 * @param pVM The VM handle.
131 * @param offDelta The reloation offset.
132 */
133PGM_BTH_DECL(int, Relocate)(PVM pVM, RTGCUINTPTR offDelta)
134{
135 /* nothing special to do here - InitData does the job. */
136 return VINF_SUCCESS;
137}
138
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