VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMSwitcher/VMMSwitcher.h@ 22299

Last change on this file since 22299 was 20374, checked in by vboxsync, 16 years ago

*: s/RT_\(BEGIN|END\)_DECLS/RT_C_DECLS_\1/g

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1/* $Id: VMMSwitcher.h 20374 2009-06-08 00:43:21Z vboxsync $ */
2/** @file
3 * VMM - World Switchers.
4 */
5
6/*
7 * Copyright (C) 2006-2007 Sun Microsystems, Inc.
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18 * Clara, CA 95054 USA or visit http://www.sun.com if you need
19 * additional information or have any questions.
20 */
21
22#ifndef ___VMMSwitcher_h
23#define ___VMMSwitcher_h
24
25#include <VBox/vmm.h>
26
27/** @name Fixup Types.
28 * @{
29 */
30/** @todo document what arguments these take and what they do. */
31#define FIX_HC_2_GC_NEAR_REL 1
32#define FIX_HC_2_ID_NEAR_REL 2
33#define FIX_GC_2_HC_NEAR_REL 3
34#define FIX_GC_2_ID_NEAR_REL 4
35#define FIX_ID_2_HC_NEAR_REL 5
36#define FIX_ID_2_GC_NEAR_REL 6
37#define FIX_GC_FAR32 7
38#define FIX_GC_CPUM_OFF 8
39#define FIX_GC_VM_OFF 9 /** @todo cleanup fixup names GC->RC, HC->R0. */
40#define FIX_HC_CPUM_OFF 10
41#define FIX_HC_VM_OFF 11
42#define FIX_INTER_32BIT_CR3 12
43#define FIX_INTER_PAE_CR3 13
44#define FIX_INTER_AMD64_CR3 14
45#define FIX_HYPER_CS 18
46#define FIX_HYPER_DS 19
47#define FIX_HYPER_TSS 20
48#define FIX_GC_TSS_GDTE_DW2 21
49#define FIX_CR4_MASK 22
50#define FIX_CR4_OSFSXR 23
51#define FIX_NO_FXSAVE_JMP 24
52#define FIX_NO_SYSENTER_JMP 25
53#define FIX_NO_SYSCALL_JMP 26
54#define FIX_HC_32BIT 27
55#define FIX_HC_64BIT 28
56#define FIX_HC_64BIT_CPUM 29
57#define FIX_HC_64BIT_CS 30
58#define FIX_ID_32BIT 31
59#define FIX_ID_64BIT 32
60#define FIX_ID_FAR32_TO_64BIT_MODE 33
61#define FIX_GC_APIC_BASE_32BIT 34
62#define FIX_HC_64BIT_NOCHECK 35
63#define FIX_GC_64_BIT_CPUM_OFF 36
64#define FIX_GC_CPUMCPU_OFF 37
65#define FIX_THE_END 255
66/** @} */
67
68
69/** Pointer to a switcher definition. */
70typedef struct VMMSWITCHERDEF *PVMMSWITCHERDEF;
71
72/**
73 * Callback function for relocating the core code belonging to a switcher.
74 *
75 * @param pVM VM handle.
76 * @param pSwitcher Pointer to the switcher structure.
77 * @param R0PtrCode Pointer to the first code byte in the ring-0 mapping.
78 * @param pu8CodeR3 Pointer to the first code byte in the ring-3 mapping.
79 * @param GCPtrCode The GC address of the first code byte.
80 * @param u32IDCode The address of the identity mapped code (first byte).
81 */
82typedef DECLCALLBACK(void) FNVMMSWITCHERRELOCATE(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3,
83 RTGCPTR GCPtrCode, uint32_t u32IDCode);
84/** Pointer to a FNVMMSWITCHERRELOCATE(). */
85typedef FNVMMSWITCHERRELOCATE *PFNVMMSWITCHERRELOCATE;
86
87/**
88 * VMM Switcher structure.
89 */
90#pragma pack(1)
91typedef struct VMMSWITCHERDEF
92{
93 /** Pointer to the code. */
94 void *pvCode;
95 /** Pointer to the fixup records. */
96 void *pvFixups;
97 /** Pointer to the description. */
98 const char *pszDesc;
99 /** Function which performs the necessary relocations. */
100 PFNVMMSWITCHERRELOCATE pfnRelocate;
101 /** The switcher type. */
102 VMMSWITCHER enmType;
103 /** Size of the entire code chunk. */
104 uint32_t cbCode;
105 /** vmmR0HostToGuest C entrypoint. */
106 uint32_t offR0HostToGuest;
107 /** vmmGCGuestToHost C entrypoint. */
108 uint32_t offGCGuestToHost;
109 /** vmmGCCallTrampoline address. */
110 uint32_t offGCCallTrampoline;
111 /** vmmGCGuestToHostAsm assembly entrypoint. */
112 uint32_t offGCGuestToHostAsm;
113 /** vmmGCGuestToHostAsmHyperCtx assembly entrypoint taking HyperCtx. */
114 uint32_t offGCGuestToHostAsmHyperCtx;
115 /** vmmGCGuestToHostAsmGuestCtx assembly entrypoint taking GuestCtx. */
116 uint32_t offGCGuestToHostAsmGuestCtx;
117 /** @name Disassembly Regions.
118 * @{ */
119 uint32_t offHCCode0;
120 uint32_t cbHCCode0;
121 uint32_t offHCCode1;
122 uint32_t cbHCCode1;
123 uint32_t offIDCode0;
124 uint32_t cbIDCode0;
125 uint32_t offIDCode1;
126 uint32_t cbIDCode1;
127 uint32_t offGCCode;
128 uint32_t cbGCCode;
129 /** @} */
130} VMMSWITCHERDEF;
131#pragma pack()
132
133RT_C_DECLS_BEGIN
134extern VMMSWITCHERDEF vmmR3Switcher32BitTo32Bit_Def;
135extern VMMSWITCHERDEF vmmR3Switcher32BitToPAE_Def;
136extern VMMSWITCHERDEF vmmR3Switcher32BitToAMD64_Def;
137extern VMMSWITCHERDEF vmmR3SwitcherPAETo32Bit_Def;
138extern VMMSWITCHERDEF vmmR3SwitcherPAEToPAE_Def;
139extern VMMSWITCHERDEF vmmR3SwitcherPAEToAMD64_Def;
140extern VMMSWITCHERDEF vmmR3SwitcherAMD64To32Bit_Def;
141extern VMMSWITCHERDEF vmmR3SwitcherAMD64ToPAE_Def;
142extern VMMSWITCHERDEF vmmR3SwitcherAMD64ToAMD64_Def;
143
144extern DECLCALLBACK(void) vmmR3Switcher32BitTo32Bit_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
145extern DECLCALLBACK(void) vmmR3Switcher32BitToPAE_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
146extern DECLCALLBACK(void) vmmR3Switcher32BitToAMD64_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
147extern DECLCALLBACK(void) vmmR3SwitcherPAETo32Bit_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
148extern DECLCALLBACK(void) vmmR3SwitcherPAEToPAE_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
149extern DECLCALLBACK(void) vmmR3SwitcherPAEToAMD64_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
150extern DECLCALLBACK(void) vmmR3SwitcherAMD64To32Bit_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
151extern DECLCALLBACK(void) vmmR3SwitcherAMD64ToPAE_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
152extern DECLCALLBACK(void) vmmR3SwitcherAMD64ToAMD64_Relocate(PVM pVM, PVMMSWITCHERDEF pSwitcher, RTR0PTR R0PtrCode, uint8_t *pu8CodeR3, RTGCPTR GCPtrCode, uint32_t u32IdCode);
153RT_C_DECLS_END
154
155#endif
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