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/** @file
* SELM - The Selector Manager.
*/
/*
* Copyright (C) 2006-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef VBOX_INCLUDED_vmm_selm_h
#define VBOX_INCLUDED_vmm_selm_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <VBox/types.h>
#include <iprt/x86.h>
#include <VBox/dis.h>
#include <VBox/vmm/dbgfsel.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_selm The Selector Monitor(/Manager) API
* @ingroup grp_vmm
* @{
*/
VMMDECL(int) SELMGetTSSInfo(PVM pVM, PVMCPU pVCpu, PRTGCUINTPTR pGCPtrTss, PRTGCUINTPTR pcbTss, bool *pfCanHaveIOBitmap);
VMMDECL(RTGCPTR) SELMToFlat(PVMCPUCC pVCpu, unsigned idxSeg, PCPUMCTX pCtx, RTGCPTR Addr);
VMMDECL(RTGCPTR) SELMToFlatBySel(PVM pVM, RTSEL Sel, RTGCPTR Addr);
/** Flags for SELMToFlatEx().
* @{ */
/** Don't check the RPL,DPL or CPL. */
#define SELMTOFLAT_FLAGS_NO_PL RT_BIT(8)
/** Flags contains CPL information. */
#define SELMTOFLAT_FLAGS_HAVE_CPL RT_BIT(9)
/** CPL is 3. */
#define SELMTOFLAT_FLAGS_CPL3 3
/** CPL is 2. */
#define SELMTOFLAT_FLAGS_CPL2 2
/** CPL is 1. */
#define SELMTOFLAT_FLAGS_CPL1 1
/** CPL is 0. */
#define SELMTOFLAT_FLAGS_CPL0 0
/** Get the CPL from the flags. */
#define SELMTOFLAT_FLAGS_CPL(fFlags) ((fFlags) & X86_SEL_RPL)
#define SELMTOFLAT_FLAGS_HYPER RT_BIT(10)
/** @} */
VMMDECL(int) SELMToFlatEx(PVMCPU pVCpu, unsigned idxSeg, PCPUMCTX pCtx, RTGCPTR Addr, uint32_t fFlags, PRTGCPTR ppvGC);
VMMDECL(int) SELMValidateAndConvertCSAddr(PVMCPU pVCpu, uint32_t fEFlags, RTSEL SelCPL, RTSEL SelCS,
PCPUMSELREG pSRegCS, RTGCPTR Addr, PRTGCPTR ppvFlat);
#ifdef VBOX_WITH_RAW_MODE
VMM_INT_DECL(void) SELMLoadHiddenSelectorReg(PVMCPU pVCpu, PCCPUMCTX pCtx, PCPUMSELREG pSReg);
#endif
#ifdef IN_RING3
/** @defgroup grp_selm_r3 The SELM ring-3 Context API
* @{
*/
VMMR3DECL(int) SELMR3Init(PVM pVM);
VMMR3DECL(void) SELMR3Relocate(PVM pVM);
VMMR3DECL(int) SELMR3Term(PVM pVM);
VMMR3DECL(void) SELMR3Reset(PVM pVM);
VMMR3DECL(int) SELMR3GetSelectorInfo(PVMCPU pVCpu, RTSEL Sel, PDBGFSELINFO pSelInfo);
VMMR3DECL(void) SELMR3DumpDescriptor(X86DESC Desc, RTSEL Sel, const char *pszMsg);
VMMR3DECL(void) SELMR3DumpGuestGDT(PVM pVM);
VMMR3DECL(void) SELMR3DumpGuestLDT(PVM pVM);
/** @def SELMR3_DEBUG_CHECK
* Invokes SELMR3DebugCheck in stricts builds. */
# ifdef VBOX_STRICT
# define SELMR3_DEBUG_CHECK(pVM) SELMR3DebugCheck(pVM)
# else
# define SELMR3_DEBUG_CHECK(pVM) do { } while (0)
# endif
/** @} */
#endif /* IN_RING3 */
/** @} */
RT_C_DECLS_END
#endif /* !VBOX_INCLUDED_vmm_selm_h */
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