| 1 | /** @file
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| 2 | * SELM - The Selector Manager.
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (C) 2006-2017 Oracle Corporation
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| 7 | *
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| 8 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 9 | * available from http://www.virtualbox.org. This file is free software;
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| 10 | * you can redistribute it and/or modify it under the terms of the GNU
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| 11 | * General Public License (GPL) as published by the Free Software
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| 12 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 13 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 14 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 15 | *
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| 16 | * The contents of this file may alternatively be used under the terms
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| 17 | * of the Common Development and Distribution License Version 1.0
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| 18 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 19 | * VirtualBox OSE distribution, in which case the provisions of the
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| 20 | * CDDL are applicable instead of those of the GPL.
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| 21 | *
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| 22 | * You may elect to license modified versions of this file under the
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| 23 | * terms and conditions of either the GPL or the CDDL or both.
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| 24 | */
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| 25 |
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| 26 | #ifndef ___VBox_vmm_selm_h
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| 27 | #define ___VBox_vmm_selm_h
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| 28 |
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| 29 | #include <VBox/types.h>
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| 30 | #include <iprt/x86.h>
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| 31 | #include <VBox/dis.h>
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| 32 | #include <VBox/vmm/dbgfsel.h>
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| 33 |
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| 34 |
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| 35 | RT_C_DECLS_BEGIN
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| 36 |
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| 37 | /** @defgroup grp_selm The Selector Monitor(/Manager) API
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| 38 | * @ingroup grp_vmm
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| 39 | * @{
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| 40 | */
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| 41 |
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| 42 | VMMDECL(RTSEL) SELMGetTrap8Selector(PVM pVM);
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| 43 | VMMDECL(void) SELMSetTrap8EIP(PVM pVM, uint32_t u32EIP);
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| 44 | VMMDECL(int) SELMGetRing1Stack(PVM pVM, uint32_t *pSS, PRTGCPTR32 pEsp);
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| 45 | VMMDECL(RTSEL) SELMGetHyperCS(PVM pVM);
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| 46 | VMMDECL(RTSEL) SELMGetHyperCS64(PVM pVM);
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| 47 | VMMDECL(RTSEL) SELMGetHyperDS(PVM pVM);
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| 48 | VMMDECL(RTSEL) SELMGetHyperTSS(PVM pVM);
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| 49 | VMMDECL(RTSEL) SELMGetHyperTSSTrap08(PVM pVM);
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| 50 | VMMDECL(RTRCPTR) SELMGetHyperGDT(PVM pVM);
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| 51 | VMMDECL(int) SELMGetTSSInfo(PVM pVM, PVMCPU pVCpu, PRTGCUINTPTR pGCPtrTss, PRTGCUINTPTR pcbTss, bool *pfCanHaveIOBitmap);
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| 52 | VMMDECL(RTGCPTR) SELMToFlat(PVM pVM, DISSELREG SelReg, PCPUMCTXCORE pCtxCore, RTGCPTR Addr);
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| 53 | VMMDECL(RTGCPTR) SELMToFlatBySel(PVM pVM, RTSEL Sel, RTGCPTR Addr);
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| 54 | VMMDECL(void) SELMShadowCR3Changed(PVM pVM, PVMCPU pVCpu);
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| 55 |
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| 56 | /** Flags for SELMToFlatEx().
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| 57 | * @{ */
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| 58 | /** Don't check the RPL,DPL or CPL. */
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| 59 | #define SELMTOFLAT_FLAGS_NO_PL RT_BIT(8)
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| 60 | /** Flags contains CPL information. */
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| 61 | #define SELMTOFLAT_FLAGS_HAVE_CPL RT_BIT(9)
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| 62 | /** CPL is 3. */
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| 63 | #define SELMTOFLAT_FLAGS_CPL3 3
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| 64 | /** CPL is 2. */
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| 65 | #define SELMTOFLAT_FLAGS_CPL2 2
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| 66 | /** CPL is 1. */
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| 67 | #define SELMTOFLAT_FLAGS_CPL1 1
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| 68 | /** CPL is 0. */
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| 69 | #define SELMTOFLAT_FLAGS_CPL0 0
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| 70 | /** Get the CPL from the flags. */
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| 71 | #define SELMTOFLAT_FLAGS_CPL(fFlags) ((fFlags) & X86_SEL_RPL)
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| 72 | /** Allow converting using Hypervisor GDT entries. */
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| 73 | #define SELMTOFLAT_FLAGS_HYPER RT_BIT(10)
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| 74 | /** @} */
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| 75 |
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| 76 | VMMDECL(int) SELMToFlatEx(PVMCPU pVCpu, DISSELREG SelReg, PCPUMCTXCORE pCtxCore, RTGCPTR Addr, uint32_t fFlags,
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| 77 | PRTGCPTR ppvGC);
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| 78 | VMMDECL(int) SELMToFlatBySelEx(PVMCPU pVCpu, X86EFLAGS eflags, RTSEL Sel, RTGCPTR Addr, uint32_t fFlags,
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| 79 | PRTGCPTR ppvGC, uint32_t *pcb);
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| 80 | VMMDECL(int) SELMValidateAndConvertCSAddr(PVMCPU pVCpu, X86EFLAGS eflags, RTSEL SelCPL, RTSEL SelCS,
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| 81 | PCPUMSELREG pSRegCS, RTGCPTR Addr, PRTGCPTR ppvFlat);
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| 82 | #ifdef VBOX_WITH_RAW_MODE
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| 83 | VMM_INT_DECL(void) SELMLoadHiddenSelectorReg(PVMCPU pVCpu, PCCPUMCTX pCtx, PCPUMSELREG pSReg);
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| 84 | #endif
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| 85 |
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| 86 |
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| 87 | #ifdef IN_RING3
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| 88 | /** @defgroup grp_selm_r3 The SELM ring-3 Context API
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| 89 | * @{
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| 90 | */
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| 91 | VMMR3DECL(int) SELMR3Init(PVM pVM);
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| 92 | VMMR3DECL(int) SELMR3InitFinalize(PVM pVM);
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| 93 | VMMR3DECL(void) SELMR3Relocate(PVM pVM);
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| 94 | VMMR3DECL(int) SELMR3Term(PVM pVM);
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| 95 | VMMR3DECL(void) SELMR3Reset(PVM pVM);
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| 96 | # ifdef VBOX_WITH_RAW_MODE
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| 97 | VMMR3DECL(VBOXSTRICTRC) SELMR3UpdateFromCPUM(PVM pVM, PVMCPU pVCpu);
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| 98 | VMMR3DECL(int) SELMR3SyncTSS(PVM pVM, PVMCPU pVCpu);
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| 99 | # endif
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| 100 | VMMR3DECL(int) SELMR3GetSelectorInfo(PVM pVM, PVMCPU pVCpu, RTSEL Sel, PDBGFSELINFO pSelInfo);
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| 101 | VMMR3DECL(int) SELMR3GetShadowSelectorInfo(PVM pVM, RTSEL Sel, PDBGFSELINFO pSelInfo);
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| 102 | VMMR3DECL(void) SELMR3DumpDescriptor(X86DESC Desc, RTSEL Sel, const char *pszMsg);
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| 103 | VMMR3DECL(void) SELMR3DumpHyperGDT(PVM pVM);
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| 104 | VMMR3DECL(void) SELMR3DumpHyperLDT(PVM pVM);
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| 105 | VMMR3DECL(void) SELMR3DumpGuestGDT(PVM pVM);
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| 106 | VMMR3DECL(void) SELMR3DumpGuestLDT(PVM pVM);
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| 107 | VMMR3DECL(bool) SELMR3CheckTSS(PVM pVM);
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| 108 | VMMR3DECL(int) SELMR3DebugCheck(PVM pVM);
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| 109 | # ifdef VBOX_WITH_SAFE_STR
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| 110 | VMMR3DECL(bool) SELMR3CheckShadowTR(PVM pVM);
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| 111 | # endif
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| 112 |
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| 113 | /** @def SELMR3_DEBUG_CHECK
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| 114 | * Invokes SELMR3DebugCheck in stricts builds. */
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| 115 | # ifdef VBOX_STRICT
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| 116 | # define SELMR3_DEBUG_CHECK(pVM) SELMR3DebugCheck(pVM)
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| 117 | # else
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| 118 | # define SELMR3_DEBUG_CHECK(pVM) do { } while (0)
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| 119 | # endif
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| 120 | /** @} */
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| 121 | #endif /* IN_RING3 */
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| 122 |
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| 123 | /** @} */
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| 124 |
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| 125 | RT_C_DECLS_END
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| 126 |
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| 127 | #endif
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| 128 |
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