CPUMInternal.h revision 1524bfd2c9963f605135f70fc15ddb018a1e9178
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * CPUM - Internal header file.
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * Copyright (C) 2006-2012 Oracle Corporation
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * This file is part of VirtualBox Open Source Edition (OSE), as
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * available from http://www.virtualbox.org. This file is free software;
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * you can redistribute it and/or modify it under the terms of the GNU
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * General Public License (GPL) as published by the Free Software
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * Foundation, in version 2 as it comes in the "COPYING" file of the
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
dfc4e0fc3052835b2a069aa9d869fa1161c33fe6Peter Major * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk/** @defgroup grp_cpum_int Internals
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk * @ingroup grp_cpum
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk/** Flags and types for CPUM fault handlers
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk/** Type: Load DS */
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk/** Type: Load ES */
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk/** Type: Load FS */
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk/** Type: Load GS */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Type: IRET */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Type mask. */
f88732ef3841903377488b4953a5a50ebf506bc9James Phillpotts/** If set EBP points to the CPUMCTXCORE that's being used. */
a622f6b14edb724c3cdbc8b5836a109d4ac80086Peter Major/** Use flags (CPUM::fUseFlags).
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * (Don't forget to sync this with CPUMInternal.mac!)
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Used the FPU, SSE or such stuff. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Used the FPU, SSE or such stuff since last we were in REM.
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * REM syncing is clearing this, lazy FPU is setting it. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Host OS is using SYSENTER and we must NULL the CS. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Host OS is using SYSENTER and we must NULL the CS. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Debug registers are used by host and must be disabled. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Enabled use of debug registers in guest context. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** The XMM state was manually restored. (AMD only) */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Sync the FPU state on entry (32->64 switcher only). */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Sync the debug state on entry (32->64 switcher only). */
01f354c3c43b0b35898db65b63b85bf806ba19b3Mark Craig/** Enabled use of hypervisor debug registers in guest context. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/* Sanity check. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk#if defined(VBOX_WITH_HYBRID_32BIT_KERNEL) && (HC_ARCH_BITS != 32 || R0_ARCH_BITS != 32)
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk# error "VBOX_WITH_HYBRID_32BIT_KERNEL is only for 32 bit builds."
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * The saved host CPU state.
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * @remark The special VBOX_WITH_HYBRID_32BIT_KERNEL checks here are for the 10.4.x series
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * of Mac OS X where the OS is essentially 32-bit but the cpu mode can be 64-bit.
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /** FPU state. (16-byte alignment)
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * @remark On x86, the format isn't necessarily X86FXSTATE (not important). */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /** General purpose register, selectors, flags and more
40b03a530836fb4b75141456a5ad991d7130d91djeff.schenk#if HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /** General purpose register ++
725ea03dc2bbc656d209dc7b143c795be153cd10Peter Major /*uint64_t rax; - scratch*/
40b03a530836fb4b75141456a5ad991d7130d91djeff.schenk /*uint64_t rcx; - scratch*/
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /*uint64_t rdx; - scratch*/
19d4a53f98a937856572a10d60720f45f18b4ae2Neil Madden /*uint64_t r8; - scratch*/
19d4a53f98a937856572a10d60720f45f18b4ae2Neil Madden /*uint64_t r9; - scratch*/
e0133707b772e954c237a41cf483853ddcf01f2aPhill Cunnington /*uint64_t rip; - scratch*/
48929cb3b52db2642d2773107e51ccd9d2a991cbPeter Major /*uint32_t eax; - scratch*/
1922e28668326b76d078f1653276fd228d1981b9Phill Cunnington /*uint32_t ecx; - scratch*/
0fb4093da08d574d3d1b661d4425dfbac8e02aabJames Phillpotts /*uint32_t edx; - scratch*/
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /*uint32_t eip; - scratch*/
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /* lss pair! */
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /** Selector registers
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper#if HC_ARCH_BITS == 32 && !defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /** Control registers.
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /*uint32_t cr2; - scratch*/
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /** Debug registers.
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /** Global Descriptor Table register. */
fbb37289e2100511fbb9c5a5667903af04c3e434Mark de Reeper /** Interrupt Descriptor Table register. */
c423fd5d4f121413c5e72c134412b6ce5daa0dd9Jaco Jooste /** The task register. */
40b03a530836fb4b75141456a5ad991d7130d91djeff.schenk /** The task register. */
6047cab6bc6d8ed8872edb70ad54fd104f9a25f3Chris Lee /** The sysenter msr registers.
6047cab6bc6d8ed8872edb70ad54fd104f9a25f3Chris Lee * This member is not used by the hypervisor context. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /* padding to get 64byte aligned size */
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk#elif HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBRID_32BIT_KERNEL)
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk /** Control registers.
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk /*uint64_t cr2; - scratch*/
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk /** Debug registers.
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk /** Global Descriptor Table register. */
2feee3bd4482cbe7e4a8cf1a228bf17723b13934jeff.schenk /** Interrupt Descriptor Table register. */
725ea03dc2bbc656d209dc7b143c795be153cd10Peter Major /** The task register. */
725ea03dc2bbc656d209dc7b143c795be153cd10Peter Major /** The task register. */
3e96abd39343cc5e8f4bf8ff7429409658f0d484Phill Cunnington /* padding to get 32byte aligned size */
3e96abd39343cc5e8f4bf8ff7429409658f0d484Phill Cunnington/** Pointer to the saved host CPU state. */
1cfd64a79fab3fd25cb92a0d463c8b986caee88fNeil Madden * CPUM Data (part of VM)
1cfd64a79fab3fd25cb92a0d463c8b986caee88fNeil Maddentypedef struct CPUM
1cfd64a79fab3fd25cb92a0d463c8b986caee88fNeil Madden /** Offset from CPUM to CPUMCPU for the first CPU. */
1cfd64a79fab3fd25cb92a0d463c8b986caee88fNeil Madden /** Use flags.
1cfd64a79fab3fd25cb92a0d463c8b986caee88fNeil Madden * These flags indicates which CPU features the host uses.
1cfd64a79fab3fd25cb92a0d463c8b986caee88fNeil Madden /** Host CPU Features - ECX */
3e96abd39343cc5e8f4bf8ff7429409658f0d484Phill Cunnington /** edx part */
3e96abd39343cc5e8f4bf8ff7429409658f0d484Phill Cunnington /** ecx part */
3e96abd39343cc5e8f4bf8ff7429409658f0d484Phill Cunnington /** Host extended CPU features. */
3e96abd39343cc5e8f4bf8ff7429409658f0d484Phill Cunnington /** edx part */
3e96abd39343cc5e8f4bf8ff7429409658f0d484Phill Cunnington /** ecx part */
d41212f2bd058e5d3d82771d9bbdb94481982f2bjeff.schenk /** Host CPU manufacturer. */
d72b59ef0fcc0226a5a655ad967e4c24729afa3ePhill Cunnington /** Guest CPU manufacturer. */
133bed8ec2ccc857a62d6301f67c3ef3d36aa333Peter Major /** CR4 mask */
1d03ac3e808c2c653316d01713105e209914fc81Neil Madden /** Synthetic CPU type? */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /** The (more) portable CPUID level. */
d41212f2bd058e5d3d82771d9bbdb94481982f2bjeff.schenk /** Indicates that a state restore is pending.
d41212f2bd058e5d3d82771d9bbdb94481982f2bjeff.schenk * This is used to verify load order dependencies (PGM). */
d41212f2bd058e5d3d82771d9bbdb94481982f2bjeff.schenk /** The standard set of CpuId leaves. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /** The extended set of CpuId leaves. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /** The centaur set of CpuId leaves. */
c0202e5a338212ae386c672821f6dc4931c50f45James Phillpotts /** The hypervisor specific set of CpuId leaves. */
3a1076834ccd4b3ecf4fac754b7ba662d4251020Allan Foster /** The default set of CpuId leaves. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk/** Pointer to the CPUM instance data residing in the shared VM structure. */
84c335df5b56662ff61ec440ad718e29fca8460ajeff.schenk * CPUM Data (part of VMCPU)
f58c87ece2202b8f85310d8885c7e39a7f435c09Jason Lemaytypedef struct CPUMCPU
25e37495f2591ee8f2c057f2644ed5570b4c078dPeter Major * Hypervisor context.
25e37495f2591ee8f2c057f2644ed5570b4c078dPeter Major * Aligned on a 64-byte boundary.
e8721886dbfd32e88cc7077cbee4b6bb1b44b443Peter Major * Saved host context. Only valid while inside GC.
89503929c8983c48e2049c77284b52e79ad37c32jeff.schenk * Aligned on a 64-byte boundary.
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * Guest context.
ee24b491b9c8127b749e705bbef662b2ed8874dbjeff.schenk * Aligned on a 64-byte boundary.
bd563314e425c4bf7675643269f2b4633ad39f42Allan Foster * Guest context - misc MSRs
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk * Aligned on a 64-byte boundary.
386650a8957e131311273ee84a4a4113ad5e3fe2Peter Major /** Use flags.
1563dad27ad07914e8f2ab1de04925eed4e188a4Peter Major * These flags indicates both what is to be used and what has been used.
f56a278c148b90f6c2a675e0c1fa8686ca5abed4Robert Wapshott /** Changed flags.
1b5cb8422c825dbdc6d7669e74f285cede6ab71cJames Phillpotts * These flags indicates to REM (and others) which important guest
bee2440354b4bc8796e1de0b6cbd60e1f68deba0Phill Cunnington * registers which has been changed since last time the flags were cleared.
a482d94cc9392203bc183f592f9accd23d6ded01Jaco Jooste * See the CPUM_CHANGED_* defines for what we keep track of.
c892d0dfeda5c022104813bf59275f840923551bCraig McDonnell /** Offset from CPUM to CPUMCPU. */
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenk /** Temporary storage for the return code of the function called in the
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenk * 32-64 switcher. */
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenk /** Have we entered raw-mode? */
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenk /** Have we entered the recompiler? */
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenk /** Align the structure on a 64-byte boundary. */
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenk uint8_t abPadding2[HC_ARCH_BITS == 32 ? 48 : 46];
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenk/** Pointer to the CPUMCPU instance data residing in the shared VMCPU structure. */
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenkDECLASM(int) cpumHandleLazyFPUAsm(PCPUMCPU pCPUM);
6ee60ad4ab4c8f9e97de533a60c32f7e5c61912bjeff.schenkDECLASM(int) cpumR0SaveHostRestoreGuestFPUState(PCPUMCPU pCPUM);
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenkDECLASM(int) cpumR0SaveGuestRestoreHostFPUState(PCPUMCPU pCPUM);
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenkDECLASM(int) cpumR0SaveHostFPUState(PCPUMCPU pCPUM);
b61df94db8e71c225d3c3d9870894e4f6744ec69jeff.schenkDECLASM(int) cpumR0RestoreHostFPUState(PCPUMCPU pCPUM);
3133cf1b294fb4042826d58b24e4a2d0216d0349jeff.schenkDECLASM(void) cpumR0LoadDRx(uint64_t const *pa4Regs);
b61df94db8e71c225d3c3d9870894e4f6744ec69jeff.schenk#endif /* !VBOX_FOR_DTRACE_LIB */