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/** @file
* CPUM - CPU Monitor(/ Manager), Context Structures from v1.6 (saved state).
*/
/*
* Copyright (C) 2006-2023 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_cpumctx_v1_6_h
#define VBOX_INCLUDED_vmm_cpumctx_v1_6_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/x86.h>
#include <VBox/vmm/cpumctx.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_cpum_ctx_v1_6 The CPUM Context Structures from v1.6
* @ingroup grp_cpum
* @{
*/
#pragma pack(1)
/** IDTR from version 1.6 */
typedef struct VBOXIDTR_VER1_6
{
/** Size of the IDT. */
uint16_t cbIdt;
/** Address of the IDT. */
uint32_t pIdt;
} VBOXIDTR_VER1_6;
#pragma pack()
#pragma pack(1)
/** GDTR from version 1.6 */
typedef struct VBOXGDTR_VER1_6
{
/** Size of the GDT. */
uint16_t cbGdt;
/** Address of the GDT. */
uint32_t pGdt;
} VBOXGDTR_VER1_6;
#pragma pack()
/**
* Selector hidden registers, for version 1.6 saved state.
*/
typedef struct CPUMSELREGHID_VER1_6
{
/** Base register. */
uint32_t u32Base;
/** Limit (expanded). */
uint32_t u32Limit;
/** Flags.
* This is the high 32-bit word of the descriptor entry.
* Only the flags, dpl and type are used. */
X86DESCATTR Attr;
} CPUMSELREGHID_VER1_6;
/**
* CPU context, for version 1.6 saved state.
* @remarks PATM uses this, which is why it has to be here.
*/
# pragma pack(1)
typedef struct CPUMCTX_VER1_6
{
/** FPU state. (16-byte alignment)
* @todo This doesn't have to be in X86FXSTATE on CPUs without fxsr - we need a type for the
* actual format or convert it (waste of time). */
X86FXSTATE fpu;
/** CPUMCTXCORE Part.
* @{ */
union
{
uint32_t edi;
uint64_t rdi;
} CPUM_UNION_NM(rdi);
union
{
uint32_t esi;
uint64_t rsi;
} CPUM_UNION_NM(rsi);
union
{
uint32_t ebp;
uint64_t rbp;
} CPUM_UNION_NM(rbp);
union
{
uint32_t eax;
uint64_t rax;
} CPUM_UNION_NM(rax);
union
{
uint32_t ebx;
uint64_t rbx;
} CPUM_UNION_NM(rbx);
union
{
uint32_t edx;
uint64_t rdx;
} CPUM_UNION_NM(rdx);
union
{
uint32_t ecx;
uint64_t rcx;
} CPUM_UNION_NM(rcx);
/** @note We rely on the exact layout, because we use lss esp, [] in the
* switcher. */
uint32_t esp;
RTSEL ss;
RTSEL ssPadding;
/* Note: no overlap with esp here. */
uint64_t rsp_notused;
RTSEL gs;
RTSEL gsPadding;
RTSEL fs;
RTSEL fsPadding;
RTSEL es;
RTSEL esPadding;
RTSEL ds;
RTSEL dsPadding;
RTSEL cs;
RTSEL csPadding[3]; /**< 3 words to force 8 byte alignment for the remainder. */
union
{
X86EFLAGS eflags;
X86RFLAGS rflags;
} CPUM_UNION_NM(rflags);
union
{
uint32_t eip;
uint64_t rip;
} CPUM_UNION_NM(rip);
uint64_t r8;
uint64_t r9;
uint64_t r10;
uint64_t r11;
uint64_t r12;
uint64_t r13;
uint64_t r14;
uint64_t r15;
/** Hidden selector registers.
* @{ */
CPUMSELREGHID_VER1_6 esHid;
CPUMSELREGHID_VER1_6 csHid;
CPUMSELREGHID_VER1_6 ssHid;
CPUMSELREGHID_VER1_6 dsHid;
CPUMSELREGHID_VER1_6 fsHid;
CPUMSELREGHID_VER1_6 gsHid;
/** @} */
/** @} */
/** Control registers.
* @{ */
uint64_t cr0;
uint64_t cr2;
uint64_t cr3;
uint64_t cr4;
uint64_t cr8;
/** @} */
/** Debug registers.
* @{ */
uint64_t dr0;
uint64_t dr1;
uint64_t dr2;
uint64_t dr3;
uint64_t dr4; /**< @todo remove dr4 and dr5. */
uint64_t dr5;
uint64_t dr6;
uint64_t dr7;
/* DR8-15 are currently not supported */
/** @} */
/** Global Descriptor Table register. */
VBOXGDTR_VER1_6 gdtr;
uint16_t gdtrPadding;
uint32_t gdtrPadding64;/** @todo fix this hack */
/** Interrupt Descriptor Table register. */
VBOXIDTR_VER1_6 idtr;
uint16_t idtrPadding;
uint32_t idtrPadding64;/** @todo fix this hack */
/** The task register.
* Only the guest context uses all the members. */
RTSEL ldtr;
RTSEL ldtrPadding;
/** The task register.
* Only the guest context uses all the members. */
RTSEL tr;
RTSEL trPadding;
/** The sysenter msr registers.
* This member is not used by the hypervisor context. */
CPUMSYSENTER SysEnter;
/** System MSRs.
* @{ */
uint64_t msrEFER;
uint64_t msrSTAR;
uint64_t msrPAT;
uint64_t msrLSTAR;
uint64_t msrCSTAR;
uint64_t msrSFMASK;
uint64_t msrFSBASE;
uint64_t msrGSBASE;
uint64_t msrKERNELGSBASE;
/** @} */
/** Hidden selector registers.
* @{ */
CPUMSELREGHID_VER1_6 ldtrHid;
CPUMSELREGHID_VER1_6 trHid;
/** @} */
/** padding to get 32byte aligned size. */
uint32_t padding[2];
} CPUMCTX_VER1_6;
# pragma pack()
/** @} */
RT_C_DECLS_END
#endif /* !VBOX_INCLUDED_vmm_cpumctx_v1_6_h */
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