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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 */
+