263 lines
6.7 KiB
C
263 lines
6.7 KiB
C
/** @file
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* CPUM - CPU Monitor(/ Manager), Context Structures from v1.6 (saved state).
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*/
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/*
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* Copyright (C) 2006-2023 Oracle and/or its affiliates.
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*
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* This file is part of VirtualBox base platform packages, as
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* available from https://www.virtualbox.org.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, in version 3 of the
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* License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses>.
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*
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* The contents of this file may alternatively be used under the terms
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* of the Common Development and Distribution License Version 1.0
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* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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* in the VirtualBox distribution, in which case the provisions of the
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* CDDL are applicable instead of those of the GPL.
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*
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* You may elect to license modified versions of this file under the
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* terms and conditions of either the GPL or the CDDL or both.
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*
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* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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*/
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#ifndef VBOX_INCLUDED_vmm_cpumctx_v1_6_h
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#define VBOX_INCLUDED_vmm_cpumctx_v1_6_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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#include <iprt/x86.h>
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#include <VBox/vmm/cpumctx.h>
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RT_C_DECLS_BEGIN
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/** @defgroup grp_cpum_ctx_v1_6 The CPUM Context Structures from v1.6
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* @ingroup grp_cpum
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* @{
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*/
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#pragma pack(1)
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/** IDTR from version 1.6 */
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typedef struct VBOXIDTR_VER1_6
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{
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/** Size of the IDT. */
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uint16_t cbIdt;
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/** Address of the IDT. */
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uint32_t pIdt;
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} VBOXIDTR_VER1_6;
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#pragma pack()
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#pragma pack(1)
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/** GDTR from version 1.6 */
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typedef struct VBOXGDTR_VER1_6
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{
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/** Size of the GDT. */
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uint16_t cbGdt;
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/** Address of the GDT. */
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uint32_t pGdt;
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} VBOXGDTR_VER1_6;
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#pragma pack()
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/**
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* Selector hidden registers, for version 1.6 saved state.
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*/
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typedef struct CPUMSELREGHID_VER1_6
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{
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/** Base register. */
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uint32_t u32Base;
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/** Limit (expanded). */
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uint32_t u32Limit;
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/** Flags.
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* This is the high 32-bit word of the descriptor entry.
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* Only the flags, dpl and type are used. */
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X86DESCATTR Attr;
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} CPUMSELREGHID_VER1_6;
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/**
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* CPU context, for version 1.6 saved state.
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* @remarks PATM uses this, which is why it has to be here.
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*/
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# pragma pack(1)
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typedef struct CPUMCTX_VER1_6
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{
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/** FPU state. (16-byte alignment)
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* @todo This doesn't have to be in X86FXSTATE on CPUs without fxsr - we need a type for the
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* actual format or convert it (waste of time). */
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X86FXSTATE fpu;
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/** CPUMCTXCORE Part.
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* @{ */
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union
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{
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uint32_t edi;
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uint64_t rdi;
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} CPUM_UNION_NM(rdi);
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union
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{
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uint32_t esi;
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uint64_t rsi;
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} CPUM_UNION_NM(rsi);
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union
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{
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uint32_t ebp;
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uint64_t rbp;
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} CPUM_UNION_NM(rbp);
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union
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{
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uint32_t eax;
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uint64_t rax;
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} CPUM_UNION_NM(rax);
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union
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{
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uint32_t ebx;
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uint64_t rbx;
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} CPUM_UNION_NM(rbx);
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union
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{
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uint32_t edx;
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uint64_t rdx;
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} CPUM_UNION_NM(rdx);
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union
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{
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uint32_t ecx;
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uint64_t rcx;
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} CPUM_UNION_NM(rcx);
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/** @note We rely on the exact layout, because we use lss esp, [] in the
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* switcher. */
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uint32_t esp;
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RTSEL ss;
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RTSEL ssPadding;
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/* Note: no overlap with esp here. */
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uint64_t rsp_notused;
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RTSEL gs;
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RTSEL gsPadding;
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RTSEL fs;
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RTSEL fsPadding;
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RTSEL es;
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RTSEL esPadding;
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RTSEL ds;
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RTSEL dsPadding;
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RTSEL cs;
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RTSEL csPadding[3]; /**< 3 words to force 8 byte alignment for the remainder. */
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union
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{
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X86EFLAGS eflags;
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X86RFLAGS rflags;
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} CPUM_UNION_NM(rflags);
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union
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{
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uint32_t eip;
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uint64_t rip;
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} CPUM_UNION_NM(rip);
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uint64_t r8;
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uint64_t r9;
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uint64_t r10;
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uint64_t r11;
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uint64_t r12;
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uint64_t r13;
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uint64_t r14;
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uint64_t r15;
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/** Hidden selector registers.
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* @{ */
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CPUMSELREGHID_VER1_6 esHid;
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CPUMSELREGHID_VER1_6 csHid;
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CPUMSELREGHID_VER1_6 ssHid;
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CPUMSELREGHID_VER1_6 dsHid;
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CPUMSELREGHID_VER1_6 fsHid;
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CPUMSELREGHID_VER1_6 gsHid;
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/** @} */
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/** @} */
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/** Control registers.
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* @{ */
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uint64_t cr0;
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uint64_t cr2;
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uint64_t cr3;
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uint64_t cr4;
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uint64_t cr8;
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/** @} */
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/** Debug registers.
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* @{ */
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uint64_t dr0;
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uint64_t dr1;
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uint64_t dr2;
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uint64_t dr3;
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uint64_t dr4; /**< @todo remove dr4 and dr5. */
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uint64_t dr5;
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uint64_t dr6;
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uint64_t dr7;
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/* DR8-15 are currently not supported */
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/** @} */
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/** Global Descriptor Table register. */
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VBOXGDTR_VER1_6 gdtr;
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uint16_t gdtrPadding;
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uint32_t gdtrPadding64;/** @todo fix this hack */
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/** Interrupt Descriptor Table register. */
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VBOXIDTR_VER1_6 idtr;
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uint16_t idtrPadding;
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uint32_t idtrPadding64;/** @todo fix this hack */
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/** The task register.
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* Only the guest context uses all the members. */
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RTSEL ldtr;
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RTSEL ldtrPadding;
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/** The task register.
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* Only the guest context uses all the members. */
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RTSEL tr;
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RTSEL trPadding;
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/** The sysenter msr registers.
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* This member is not used by the hypervisor context. */
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CPUMSYSENTER SysEnter;
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/** System MSRs.
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* @{ */
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uint64_t msrEFER;
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uint64_t msrSTAR;
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uint64_t msrPAT;
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uint64_t msrLSTAR;
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uint64_t msrCSTAR;
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uint64_t msrSFMASK;
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uint64_t msrFSBASE;
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uint64_t msrGSBASE;
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uint64_t msrKERNELGSBASE;
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/** @} */
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/** Hidden selector registers.
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* @{ */
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CPUMSELREGHID_VER1_6 ldtrHid;
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CPUMSELREGHID_VER1_6 trHid;
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/** @} */
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/** padding to get 32byte aligned size. */
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uint32_t padding[2];
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} CPUMCTX_VER1_6;
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# pragma pack()
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/** @} */
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RT_C_DECLS_END
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#endif /* !VBOX_INCLUDED_vmm_cpumctx_v1_6_h */
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