VirtualBox

source: vbox/trunk/src/VBox/VMM/PGMBth.h@ 13328

Last change on this file since 13328 was 13232, checked in by vboxsync, 16 years ago

#1865: changed some validation into pure assertions or assert-return. added some todos, update a comment or five and adjusted lots of whitespace.

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File size: 7.0 KB
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1/* $Id: PGMBth.h 13232 2008-10-13 20:03:48Z vboxsync $ */
2/** @file
3 * VBox - Page Manager / Monitor, Shadow+Guest Paging Template.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22
23/*******************************************************************************
24* Internal Functions *
25*******************************************************************************/
26__BEGIN_DECLS
27PGM_BTH_DECL(int, InitData)(PVM pVM, PPGMMODEDATA pModeData, bool fResolveGCAndR0);
28PGM_BTH_DECL(int, Enter)(PVM pVM, RTGCPHYS GCPhysCR3);
29PGM_BTH_DECL(int, Relocate)(PVM pVM, RTGCUINTPTR offDelta);
30
31PGM_BTH_DECL(int, Trap0eHandler)(PVM pVM, RTGCUINT uErr, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault);
32PGM_BTH_DECL(int, SyncCR3)(PVM pVM, uint64_t cr0, uint64_t cr3, uint64_t cr4, bool fGlobal);
33PGM_BTH_DECL(int, SyncPage)(PVM pVM, X86PDE PdeSrc, RTGCUINTPTR GCPtrPage, unsigned cPages, unsigned uError);
34PGM_BTH_DECL(int, VerifyAccessSyncPage)(PVM pVM, RTGCUINTPTR Addr, unsigned fPage, unsigned uError);
35PGM_BTH_DECL(int, InvalidatePage)(PVM pVM, RTGCPTR GCPtrPage);
36PGM_BTH_DECL(int, PrefetchPage)(PVM pVM, RTGCUINTPTR GCPtrPage);
37PGM_BTH_DECL(unsigned, AssertCR3)(PVM pVM, uint64_t cr3, uint64_t cr4, RTGCUINTPTR GCPtr = 0, RTGCUINTPTR cb = ~(RTGCUINTPTR)0);
38__END_DECLS
39
40
41/**
42 * Initializes the both bit of the paging mode data.
43 *
44 * @returns VBox status code.
45 * @param pVM The VM handle.
46 * @param fResolveGCAndR0 Indicate whether or not GC and Ring-0 symbols can be resolved now.
47 * This is used early in the init process to avoid trouble with PDM
48 * not being initialized yet.
49 */
50PGM_BTH_DECL(int, InitData)(PVM pVM, PPGMMODEDATA pModeData, bool fResolveGCAndR0)
51{
52 Assert(pModeData->uShwType == PGM_SHW_TYPE); Assert(pModeData->uGstType == PGM_GST_TYPE);
53
54 /* Ring 3 */
55 pModeData->pfnR3BthRelocate = PGM_BTH_NAME(Relocate);
56 pModeData->pfnR3BthSyncCR3 = PGM_BTH_NAME(SyncCR3);
57 pModeData->pfnR3BthInvalidatePage = PGM_BTH_NAME(InvalidatePage);
58 pModeData->pfnR3BthSyncPage = PGM_BTH_NAME(SyncPage);
59 pModeData->pfnR3BthPrefetchPage = PGM_BTH_NAME(PrefetchPage);
60 pModeData->pfnR3BthVerifyAccessSyncPage = PGM_BTH_NAME(VerifyAccessSyncPage);
61#ifdef VBOX_STRICT
62 pModeData->pfnR3BthAssertCR3 = PGM_BTH_NAME(AssertCR3);
63#endif
64
65 if (fResolveGCAndR0)
66 {
67 int rc;
68
69#if PGM_SHW_TYPE != PGM_TYPE_AMD64 && PGM_SHW_TYPE != PGM_TYPE_NESTED && PGM_SHW_TYPE != PGM_TYPE_EPT /* No AMD64 for traditional virtualization, only VT-x and AMD-V. */
70 /* GC */
71 rc = PDMR3LdrGetSymbolRC(pVM, NULL, PGM_BTH_NAME_RC_STR(Trap0eHandler), &pModeData->pfnRCBthTrap0eHandler);
72 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_RC_STR(Trap0eHandler), rc), rc);
73 rc = PDMR3LdrGetSymbolRC(pVM, NULL, PGM_BTH_NAME_RC_STR(InvalidatePage), &pModeData->pfnRCBthInvalidatePage);
74 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_RC_STR(InvalidatePage), rc), rc);
75 rc = PDMR3LdrGetSymbolRC(pVM, NULL, PGM_BTH_NAME_RC_STR(SyncCR3), &pModeData->pfnRCBthSyncCR3);
76 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_RC_STR(SyncPage), rc), rc);
77 rc = PDMR3LdrGetSymbolRC(pVM, NULL, PGM_BTH_NAME_RC_STR(SyncPage), &pModeData->pfnRCBthSyncPage);
78 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_RC_STR(SyncPage), rc), rc);
79 rc = PDMR3LdrGetSymbolRC(pVM, NULL, PGM_BTH_NAME_RC_STR(PrefetchPage), &pModeData->pfnRCBthPrefetchPage);
80 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_RC_STR(PrefetchPage), rc), rc);
81 rc = PDMR3LdrGetSymbolRC(pVM, NULL, PGM_BTH_NAME_RC_STR(VerifyAccessSyncPage),&pModeData->pfnRCBthVerifyAccessSyncPage);
82 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_RC_STR(VerifyAccessSyncPage), rc), rc);
83# ifdef VBOX_STRICT
84 rc = PDMR3LdrGetSymbolRC(pVM, NULL, PGM_BTH_NAME_RC_STR(AssertCR3), &pModeData->pfnRCBthAssertCR3);
85 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_RC_STR(AssertCR3), rc), rc);
86# endif
87#endif /* Not AMD64 shadow paging. */
88
89 /* Ring 0 */
90 rc = PDMR3LdrGetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(Trap0eHandler), &pModeData->pfnR0BthTrap0eHandler);
91 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(Trap0eHandler), rc), rc);
92 rc = PDMR3LdrGetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(InvalidatePage), &pModeData->pfnR0BthInvalidatePage);
93 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(InvalidatePage), rc), rc);
94 rc = PDMR3LdrGetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(SyncCR3), &pModeData->pfnR0BthSyncCR3);
95 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(SyncCR3), rc), rc);
96 rc = PDMR3LdrGetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(SyncPage), &pModeData->pfnR0BthSyncPage);
97 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(SyncPage), rc), rc);
98 rc = PDMR3LdrGetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(PrefetchPage), &pModeData->pfnR0BthPrefetchPage);
99 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(PrefetchPage), rc), rc);
100 rc = PDMR3LdrGetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(VerifyAccessSyncPage),&pModeData->pfnR0BthVerifyAccessSyncPage);
101 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(VerifyAccessSyncPage), rc), rc);
102#ifdef VBOX_STRICT
103 rc = PDMR3LdrGetSymbolR0(pVM, NULL, PGM_BTH_NAME_R0_STR(AssertCR3), &pModeData->pfnR0BthAssertCR3);
104 AssertMsgRCReturn(rc, ("%s -> rc=%Vrc\n", PGM_BTH_NAME_R0_STR(AssertCR3), rc), rc);
105#endif
106 }
107 return VINF_SUCCESS;
108}
109
110
111/**
112 * Enters the shadow+guest mode.
113 *
114 * @returns VBox status code.
115 * @param pVM VM handle.
116 * @param GCPhysCR3 The physical address from the CR3 register.
117 */
118PGM_BTH_DECL(int, Enter)(PVM pVM, RTGCPHYS GCPhysCR3)
119{
120 /* nothing special to do here - InitData does the job. */
121 return VINF_SUCCESS;
122}
123
124
125/**
126 * Relocate any GC pointers related to shadow mode paging.
127 *
128 * @returns VBox status code.
129 * @param pVM The VM handle.
130 * @param offDelta The reloation offset.
131 */
132PGM_BTH_DECL(int, Relocate)(PVM pVM, RTGCUINTPTR offDelta)
133{
134 /* nothing special to do here - InitData does the job. */
135 return VINF_SUCCESS;
136}
137
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