VirtualBox

source: vbox/trunk/include/VBox/vmm/selm.h@ 97150

Last change on this file since 97150 was 96407, checked in by vboxsync, 2 years ago

scm copyright and license note update

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  • Property svn:keywords set to Author Date Id Revision
File size: 3.9 KB
Line 
1/** @file
2 * SELM - The Selector Manager.
3 */
4
5/*
6 * Copyright (C) 2006-2022 Oracle and/or its affiliates.
7 *
8 * This file is part of VirtualBox base platform packages, as
9 * available from https://www.virtualbox.org.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation, in version 3 of the
14 * License.
15 *
16 * This program is distributed in the hope that it will be useful, but
17 * WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, see <https://www.gnu.org/licenses>.
23 *
24 * The contents of this file may alternatively be used under the terms
25 * of the Common Development and Distribution License Version 1.0
26 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
27 * in the VirtualBox distribution, in which case the provisions of the
28 * CDDL are applicable instead of those of the GPL.
29 *
30 * You may elect to license modified versions of this file under the
31 * terms and conditions of either the GPL or the CDDL or both.
32 *
33 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
34 */
35
36#ifndef VBOX_INCLUDED_vmm_selm_h
37#define VBOX_INCLUDED_vmm_selm_h
38#ifndef RT_WITHOUT_PRAGMA_ONCE
39# pragma once
40#endif
41
42#include <VBox/types.h>
43#include <iprt/x86.h>
44#include <VBox/dis.h>
45#include <VBox/vmm/dbgfsel.h>
46
47
48RT_C_DECLS_BEGIN
49
50/** @defgroup grp_selm The Selector Monitor(/Manager) API
51 * @ingroup grp_vmm
52 * @{
53 */
54
55VMMDECL(int) SELMGetTSSInfo(PVM pVM, PVMCPU pVCpu, PRTGCUINTPTR pGCPtrTss, PRTGCUINTPTR pcbTss, bool *pfCanHaveIOBitmap);
56VMMDECL(RTGCPTR) SELMToFlat(PVMCC pVM, DISSELREG SelReg, PCPUMCTXCORE pCtxCore, RTGCPTR Addr);
57VMMDECL(RTGCPTR) SELMToFlatBySel(PVM pVM, RTSEL Sel, RTGCPTR Addr);
58
59/** Flags for SELMToFlatEx().
60 * @{ */
61/** Don't check the RPL,DPL or CPL. */
62#define SELMTOFLAT_FLAGS_NO_PL RT_BIT(8)
63/** Flags contains CPL information. */
64#define SELMTOFLAT_FLAGS_HAVE_CPL RT_BIT(9)
65/** CPL is 3. */
66#define SELMTOFLAT_FLAGS_CPL3 3
67/** CPL is 2. */
68#define SELMTOFLAT_FLAGS_CPL2 2
69/** CPL is 1. */
70#define SELMTOFLAT_FLAGS_CPL1 1
71/** CPL is 0. */
72#define SELMTOFLAT_FLAGS_CPL0 0
73/** Get the CPL from the flags. */
74#define SELMTOFLAT_FLAGS_CPL(fFlags) ((fFlags) & X86_SEL_RPL)
75#define SELMTOFLAT_FLAGS_HYPER RT_BIT(10)
76/** @} */
77
78VMMDECL(int) SELMToFlatEx(PVMCPU pVCpu, DISSELREG SelReg, PCPUMCTXCORE pCtxCore, RTGCPTR Addr, uint32_t fFlags,
79 PRTGCPTR ppvGC);
80VMMDECL(int) SELMValidateAndConvertCSAddr(PVMCPU pVCpu, X86EFLAGS eflags, RTSEL SelCPL, RTSEL SelCS,
81 PCPUMSELREG pSRegCS, RTGCPTR Addr, PRTGCPTR ppvFlat);
82#ifdef VBOX_WITH_RAW_MODE
83VMM_INT_DECL(void) SELMLoadHiddenSelectorReg(PVMCPU pVCpu, PCCPUMCTX pCtx, PCPUMSELREG pSReg);
84#endif
85
86
87#ifdef IN_RING3
88/** @defgroup grp_selm_r3 The SELM ring-3 Context API
89 * @{
90 */
91VMMR3DECL(int) SELMR3Init(PVM pVM);
92VMMR3DECL(void) SELMR3Relocate(PVM pVM);
93VMMR3DECL(int) SELMR3Term(PVM pVM);
94VMMR3DECL(void) SELMR3Reset(PVM pVM);
95VMMR3DECL(int) SELMR3GetSelectorInfo(PVMCPU pVCpu, RTSEL Sel, PDBGFSELINFO pSelInfo);
96VMMR3DECL(void) SELMR3DumpDescriptor(X86DESC Desc, RTSEL Sel, const char *pszMsg);
97VMMR3DECL(void) SELMR3DumpGuestGDT(PVM pVM);
98VMMR3DECL(void) SELMR3DumpGuestLDT(PVM pVM);
99
100/** @def SELMR3_DEBUG_CHECK
101 * Invokes SELMR3DebugCheck in stricts builds. */
102# ifdef VBOX_STRICT
103# define SELMR3_DEBUG_CHECK(pVM) SELMR3DebugCheck(pVM)
104# else
105# define SELMR3_DEBUG_CHECK(pVM) do { } while (0)
106# endif
107/** @} */
108#endif /* IN_RING3 */
109
110/** @} */
111
112RT_C_DECLS_END
113
114#endif /* !VBOX_INCLUDED_vmm_selm_h */
115
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