vm.h@ 12977

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1	/** @file
2	* VM - The Virtual Machine, data.
3	*/
4
5	/*
6	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
7	*
8	* This file is part of VirtualBox Open Source Edition (OSE), as
9	* available from http://www.virtualbox.org. This file is free software;
10	* you can redistribute it and/or modify it under the terms of the GNU
11	* General Public License (GPL) as published by the Free Software
12	* Foundation, in version 2 as it comes in the "COPYING" file of the
13	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15	*
16	* The contents of this file may alternatively be used under the terms
17	* of the Common Development and Distribution License Version 1.0
18	* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19	* VirtualBox OSE distribution, in which case the provisions of the
20	* CDDL are applicable instead of those of the GPL.
21	*
22	* You may elect to license modified versions of this file under the
23	* terms and conditions of either the GPL or the CDDL or both.
24	*
25	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
26	* Clara, CA 95054 USA or visit http://www.sun.com if you need
27	* additional information or have any questions.
28	*/
29
30	#ifndef ___VBox_vm_h
31	#define ___VBox_vm_h
32
33	#include <VBox/cdefs.h>
34	#include <VBox/types.h>
35	#include <VBox/cpum.h>
36	#include <VBox/stam.h>
37	#include <VBox/vmapi.h>
38	#include <VBox/sup.h>
39
40
41	/** @defgroup grp_vm The Virtual Machine
42	* @{
43	*/
44
45
46	/**
47	* The state of a virtual CPU.
48	*
49	* The VM running states are a sub-states of the VMSTATE_RUNNING state. While
50	* VMCPUSTATE_NOT_RUNNING is a place holder for the other VM states.
51	*/
52	typedef enum VMCPUSTATE
53	{
54	/** The customary invalid zero. */
55	VMCPUSTATE_INVALID = 0,
56
57	/** Running guest code (VM running). */
58	VMCPUSTATE_RUN_EXEC,
59	/** Running guest code in the recompiler (VM running). */
60	VMCPUSTATE_RUN_EXEC_REM,
61	/** Halted (VM running). */
62	VMCPUSTATE_RUN_HALTED,
63	/** All the other bits we do while running a VM (VM running). */
64	VMCPUSTATE_RUN_MISC,
65	/** VM not running, we're servicing requests or whatever. */
66	VMCPUSTATE_NOT_RUNNING,
67	/** The end of valid virtual CPU states. */
68	VMCPUSTATE_END,
69
70	/** Ensure 32-bit type. */
71	VMCPUSTATE_32BIT_HACK = 0x7fffffff
72	} VMCPUSTATE;
73
74
75	/**
76	* Per virtual CPU data.
77	*/
78	typedef struct VMCPU
79	{
80	/** Per CPU forced action.
81	* See the VMCPU_FF_* \#defines. Updated atomically. */
82	uint32_t volatile fForcedActions;
83	/** The CPU state. */
84	VMCPUSTATE volatile enmState;
85
86	/** Ring-3 Host Context VM Pointer. */
87	PVMR3 pVMR3;
88	/** Ring-0 Host Context VM Pointer. */
89	PVMR0 pVMR0;
90	/** Raw-mode Context VM Pointer. */
91	PVMRC pVMRC;
92	/** The CPU ID.
93	* This is the index into the VM::aCpus array. */
94	VMCPUID idCpu;
95	/** The ring-3 thread handle of the emulation thread for this CPU.
96	* @todo Use the VM_IS_EMT() macro to check if executing in EMT? */
97	RTTHREAD hThreadR3;
98	/** The native ring-3 handle. */
99	RTNATIVETHREAD hNativeThreadR3;
100	/** The native ring-0 handle. */
101	RTNATIVETHREAD hNativeThreadR0;
102
103	/** Align the next bit on a 64-byte boundrary. */
104	uint32_t au32Alignment[HC_ARCH_BITS == 32 ? 7 : 2];
105
106	/** CPUM part. */
107	union
108	{
109	#if 0 /def ___CPUMInternal_h /
110	struct VMCPUCPUM s;
111	#endif
112	char padding[64];
113	} cpum;
114	} VMCPU;
115
116
117	/** The name of the Guest Context VMM Core module. */
118	#define VMMGC_MAIN_MODULE_NAME "VMMGC.gc"
119	/** The name of the Ring 0 Context VMM Core module. */
120	#define VMMR0_MAIN_MODULE_NAME "VMMR0.r0"
121
122	/** VM Forced Action Flags.
123	*
124	* Use the VM_FF_SET() and VM_FF_CLEAR() macros to change the force
125	* action mask of a VM.
126	*
127	* @{
128	*/
129	/** This action forces the VM to service check and pending interrups on the APIC. */
130	#define VM_FF_INTERRUPT_APIC RT_BIT_32(0)
131	/** This action forces the VM to service check and pending interrups on the PIC. */
132	#define VM_FF_INTERRUPT_PIC RT_BIT_32(1)
133	/** This action forces the VM to schedule and run pending timer (TM). */
134	#define VM_FF_TIMER RT_BIT_32(2)
135	/** PDM Queues are pending. */
136	#define VM_FF_PDM_QUEUES RT_BIT_32(3)
137	/** PDM DMA transfers are pending. */
138	#define VM_FF_PDM_DMA RT_BIT_32(4)
139	/** PDM critical section unlocking is pending, process promptly upon return to R3. */
140	#define VM_FF_PDM_CRITSECT RT_BIT_32(5)
141
142	/** This action forces the VM to call DBGF so DBGF can service debugger
143	* requests in the emulation thread.
144	* This action flag stays asserted till DBGF clears it.*/
145	#define VM_FF_DBGF RT_BIT_32(8)
146	/** This action forces the VM to service pending requests from other
147	* thread or requests which must be executed in another context. */
148	#define VM_FF_REQUEST RT_BIT_32(9)
149	/** Terminate the VM immediately. */
150	#define VM_FF_TERMINATE RT_BIT_32(10)
151	/** Reset the VM. (postponed) */
152	#define VM_FF_RESET RT_BIT_32(11)
153
154	/** This action forces the VM to resync the page tables before going
155	* back to execute guest code. (GLOBAL FLUSH) */
156	#define VM_FF_PGM_SYNC_CR3 RT_BIT_32(16)
157	/** Same as VM_FF_PGM_SYNC_CR3 except that global pages can be skipped.
158	* (NON-GLOBAL FLUSH) */
159	#define VM_FF_PGM_SYNC_CR3_NON_GLOBAL RT_BIT_32(17)
160	/** PGM needs to allocate handy pages. */
161	#define VM_FF_PGM_NEED_HANDY_PAGES RT_BIT_32(18)
162	/** Check the interupt and trap gates */
163	#define VM_FF_TRPM_SYNC_IDT RT_BIT_32(19)
164	/** Check Guest's TSS ring 0 stack */
165	#define VM_FF_SELM_SYNC_TSS RT_BIT_32(20)
166	/** Check Guest's GDT table */
167	#define VM_FF_SELM_SYNC_GDT RT_BIT_32(21)
168	/** Check Guest's LDT table */
169	#define VM_FF_SELM_SYNC_LDT RT_BIT_32(22)
170	/** Inhibit interrupts pending. See EMGetInhibitInterruptsPC(). */
171	#define VM_FF_INHIBIT_INTERRUPTS RT_BIT_32(23)
172
173	/** CSAM needs to scan the page that's being executed */
174	#define VM_FF_CSAM_SCAN_PAGE RT_BIT_32(24)
175	/** CSAM needs to do some homework. */
176	#define VM_FF_CSAM_PENDING_ACTION RT_BIT_32(25)
177
178	/** Force return to Ring-3. */
179	#define VM_FF_TO_R3 RT_BIT_32(28)
180
181	/** REM needs to be informed about handler changes. */
182	#define VM_FF_REM_HANDLER_NOTIFY RT_BIT_32(29)
183
184	/** Suspend the VM - debug only. */
185	#define VM_FF_DEBUG_SUSPEND RT_BIT_32(31)
186
187	/** Externally forced actions. Used to quit the idle/wait loop. */
188	#define VM_FF_EXTERNAL_SUSPENDED_MASK (VM_FF_TERMINATE \| VM_FF_DBGF \| VM_FF_REQUEST)
189	/** Externally forced actions. Used to quit the idle/wait loop. */
190	#define VM_FF_EXTERNAL_HALTED_MASK (VM_FF_TERMINATE \| VM_FF_DBGF \| VM_FF_TIMER \| VM_FF_INTERRUPT_APIC \| VM_FF_INTERRUPT_PIC \| VM_FF_REQUEST \| VM_FF_PDM_QUEUES \| VM_FF_PDM_DMA)
191	/** High priority pre-execution actions. */
192	#define VM_FF_HIGH_PRIORITY_PRE_MASK (VM_FF_TERMINATE \| VM_FF_DBGF \| VM_FF_INTERRUPT_APIC \| VM_FF_INTERRUPT_PIC \| VM_FF_TIMER \| VM_FF_DEBUG_SUSPEND \
193	\| VM_FF_PGM_SYNC_CR3 \| VM_FF_PGM_SYNC_CR3_NON_GLOBAL \| VM_FF_SELM_SYNC_TSS \| VM_FF_TRPM_SYNC_IDT \| VM_FF_SELM_SYNC_GDT \| VM_FF_SELM_SYNC_LDT \| VM_FF_PGM_NEED_HANDY_PAGES)
194	/** High priority pre raw-mode execution mask. */
195	#define VM_FF_HIGH_PRIORITY_PRE_RAW_MASK (VM_FF_PGM_SYNC_CR3 \| VM_FF_PGM_SYNC_CR3_NON_GLOBAL \| VM_FF_SELM_SYNC_TSS \| VM_FF_TRPM_SYNC_IDT \| VM_FF_SELM_SYNC_GDT \| VM_FF_SELM_SYNC_LDT \| VM_FF_PGM_NEED_HANDY_PAGES \
196	\| VM_FF_INHIBIT_INTERRUPTS)
197	/** High priority post-execution actions. */
198	#define VM_FF_HIGH_PRIORITY_POST_MASK (VM_FF_PDM_CRITSECT \| VM_FF_CSAM_PENDING_ACTION)
199	/** Normal priority post-execution actions. */
200	#define VM_FF_NORMAL_PRIORITY_POST_MASK (VM_FF_TERMINATE \| VM_FF_DBGF \| VM_FF_RESET \| VM_FF_CSAM_SCAN_PAGE)
201	/** Normal priority actions. */
202	#define VM_FF_NORMAL_PRIORITY_MASK (VM_FF_REQUEST \| VM_FF_PDM_QUEUES \| VM_FF_PDM_DMA \| VM_FF_REM_HANDLER_NOTIFY)
203	/** Flags to check before resuming guest execution. */
204	#define VM_FF_RESUME_GUEST_MASK (VM_FF_TO_R3)
205	/** All the forced flags. */
206	#define VM_FF_ALL_MASK (~0U)
207	/** All the forced flags. */
208	#define VM_FF_ALL_BUT_RAW_MASK (~(VM_FF_HIGH_PRIORITY_PRE_RAW_MASK \| VM_FF_CSAM_PENDING_ACTION \| VM_FF_PDM_CRITSECT))
209
210	/** @} */
211
212	/** @def VM_FF_SET
213	* Sets a force action flag.
214	*
215	* @param pVM VM Handle.
216	* @param fFlag The flag to set.
217	*/
218	#if 1
219	# define VM_FF_SET(pVM, fFlag) ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag))
220	#else
221	# define VM_FF_SET(pVM, fFlag) \
222	do { ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag)); \
223	RTLogPrintf("VM_FF_SET : %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
224	} while (0)
225	#endif
226
227	/** @def VMCPU_FF_SET
228	* Sets a force action flag for given VCPU.
229	*
230	* @param pVM VM Handle.
231	* @param idCpu Virtual CPU ID.
232	* @param fFlag The flag to set.
233	*/
234	#ifdef VBOX_WITH_SMP_GUESTS
235	# define VMCPU_FF_SET(pVM, idCpu, fFlag) ASMAtomicOrU32(&(pVM)->aCpus[idCpu].fForcedActions, (fFlag))
236	#else
237	# define VMCPU_FF_SET(pVM, idCpu, fFlag) VM_FF_SET(pVM, fFlag)
238	#endif
239
240	/** @def VM_FF_CLEAR
241	* Clears a force action flag.
242	*
243	* @param pVM VM Handle.
244	* @param fFlag The flag to clear.
245	*/
246	#if 1
247	# define VM_FF_CLEAR(pVM, fFlag) ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag))
248	#else
249	# define VM_FF_CLEAR(pVM, fFlag) \
250	do { ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag)); \
251	RTLogPrintf("VM_FF_CLEAR: %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
252	} while (0)
253	#endif
254
255	/** @def VMCPU_FF_CLEAR
256	* Clears a force action flag for given VCPU.
257	*
258	* @param pVM VM Handle.
259	* @param idCpu Virtual CPU ID.
260	* @param fFlag The flag to clear.
261	*/
262	#ifdef VBOX_WITH_SMP_GUESTS
263	# define VMCPU_FF_CLEAR(pVM, idCpu, fFlag) ASMAtomicAndU32(&(pVM)->aCpus[idCpu].fForcedActions, ~(fFlag))
264	#else
265	# define VMCPU_FF_CLEAR(pVM, idCpu, fFlag) VM_FF_CLEAR(pVM, fFlag)
266	#endif
267
268	/** @def VM_FF_ISSET
269	* Checks if a force action flag is set.
270	*
271	* @param pVM VM Handle.
272	* @param fFlag The flag to check.
273	*/
274	#define VM_FF_ISSET(pVM, fFlag) (((pVM)->fForcedActions & (fFlag)) == (fFlag))
275
276	/** @def VMCPU_FF_ISSET
277	* Checks if a force action flag is set for given VCPU.
278	*
279	* @param pVM VM Handle.
280	* @param idCpu Virtual CPU ID.
281	* @param fFlag The flag to check.
282	*/
283	#ifdef VBOX_WITH_SMP_GUESTS
284	# define VMCPU_FF_ISSET(pVM, idCpu, fFlag) (((pVM)->aCpus[idCpu].fForcedActions & (fFlag)) == (fFlag))
285	#else
286	# define VMCPU_FF_ISSET(pVM, idCpu, fFlag) VM_FF_ISSET(pVM, fFlag)
287	#endif
288
289	/** @def VM_FF_ISPENDING
290	* Checks if one or more force action in the specified set is pending.
291	*
292	* @param pVM VM Handle.
293	* @param fFlags The flags to check for.
294	*/
295	#define VM_FF_ISPENDING(pVM, fFlags) ((pVM)->fForcedActions & (fFlags))
296
297	/** @def VMCPU_FF_ISPENDING
298	* Checks if one or more force action in the specified set is pending for given VCPU.
299	*
300	* @param pVM VM Handle.
301	* @param idCpu Virtual CPU ID.
302	* @param fFlags The flags to check for.
303	*/
304	#ifdef VBOX_WITH_SMP_GUESTS
305	# define VMCPU_FF_ISPENDING(pVM, idCpu, fFlags) ((pVM)->aCpus[idCpu].fForcedActions & (fFlags))
306	#else
307	# define VMCPU_FF_ISPENDING(pVM, idCpu, fFlags) VM_FF_ISPENDING(pVM, fFlags)
308	#endif
309
310	/** @def VM_IS_EMT
311	* Checks if the current thread is the emulation thread (EMT).
312	*
313	* @remark The ring-0 variation will need attention if we expand the ring-0
314	* code to let threads other than EMT mess around with the VM.
315	*/
316	#ifdef IN_GC
317	# define VM_IS_EMT(pVM) true
318	#elif defined(IN_RING0)
319	# define VM_IS_EMT(pVM) true
320	#else
321	/** @todo need to rework this macro for the case of multiple emulation threads for SMP */
322	# define VM_IS_EMT(pVM) ((pVM)->NativeThreadEMT == RTThreadNativeSelf())
323	#endif
324
325	/** @def VM_ASSERT_EMT
326	* Asserts that the current thread IS the emulation thread (EMT).
327	*/
328	#ifdef IN_GC
329	# define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
330	#elif defined(IN_RING0)
331	# define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
332	#else
333	# define VM_ASSERT_EMT(pVM) \
334	AssertMsg(VM_IS_EMT(pVM), \
335	("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), pVM->NativeThreadEMT))
336	#endif
337
338	/** @def VM_ASSERT_EMT_RETURN
339	* Asserts that the current thread IS the emulation thread (EMT) and returns if it isn't.
340	*/
341	#ifdef IN_GC
342	# define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
343	#elif defined(IN_RING0)
344	# define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
345	#else
346	# define VM_ASSERT_EMT_RETURN(pVM, rc) \
347	AssertMsgReturn(VM_IS_EMT(pVM), \
348	("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), pVM->NativeThreadEMT), \
349	(rc))
350	#endif
351
352	/**
353	* Asserts that the current thread is NOT the emulation thread.
354	*/
355	#define VM_ASSERT_OTHER_THREAD(pVM) \
356	AssertMsg(!VM_IS_EMT(pVM), ("Not other thread!!\n"))
357
358
359	/** @def VM_ASSERT_STATE_RETURN
360	* Asserts a certain VM state.
361	*/
362	#define VM_ASSERT_STATE(pVM, _enmState) \
363	AssertMsg((pVM)->enmVMState == (_enmState), \
364	("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)))
365
366	/** @def VM_ASSERT_STATE_RETURN
367	* Asserts a certain VM state and returns if it doesn't match.
368	*/
369	#define VM_ASSERT_STATE_RETURN(pVM, _enmState, rc) \
370	AssertMsgReturn((pVM)->enmVMState == (_enmState), \
371	("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)), \
372	(rc))
373
374
375
376
377	/** This is the VM structure.
378	*
379	* It contains (nearly?) all the VM data which have to be available in all
380	* contexts. Even if it contains all the data the idea is to use APIs not
381	* to modify all the members all around the place. Therefore we make use of
382	* unions to hide everything which isn't local to the current source module.
383	* This means we'll have to pay a little bit of attention when adding new
384	* members to structures in the unions and make sure to keep the padding sizes
385	* up to date.
386	*
387	* Run tstVMStructSize after update!
388	*/
389	typedef struct VM
390	{
391	/** The state of the VM.
392	* This field is read only to everyone except the VM and EM. */
393	VMSTATE enmVMState;
394	/** Forced action flags.
395	* See the VM_FF_* \#defines. Updated atomically.
396	*/
397	volatile uint32_t fForcedActions;
398	/** Pointer to the array of page descriptors for the VM structure allocation. */
399	R3PTRTYPE(PSUPPAGE) paVMPagesR3;
400	/** Session handle. For use when calling SUPR0 APIs. */
401	PSUPDRVSESSION pSession;
402	/** Pointer to the ring-3 VM structure. */
403	PUVM pUVM;
404	/** Ring-3 Host Context VM Pointer. */
405	R3PTRTYPE(struct VM *) pVMR3;
406	/** Ring-0 Host Context VM Pointer. */
407	R0PTRTYPE(struct VM *) pVMR0;
408	/** Raw-mode Context VM Pointer.
409	* @deprecated Use VM::pVMRC. */
410	RCPTRTYPE(struct VM *) pVMGC;
411	/** Raw-mode Context VM Pointer. */
412	RCPTRTYPE(struct VM *) pVMRC;
413
414	/** The GVM VM handle. Only the GVM should modify this field. */
415	uint32_t hSelf;
416	/** Number of virtual CPUs. */
417	uint32_t cCPUs;
418	/** Reserved; alignment. */
419	uint32_t u32Reserved[7];
420
421	/** @name Public VMM Switcher APIs
422	* @{ */
423	/**
424	* Assembly switch entry point for returning to host context.
425	* This function will clean up the stack frame.
426	*
427	* @param eax The return code, register.
428	* @param Ctx The guest core context.
429	* @remark Assume interrupts disabled.
430	*/
431	RTGCPTR32 pfnVMMGCGuestToHostAsmGuestCtx/(int32_t eax, CPUMCTXCORE Ctx)/;
432
433	/**
434	* Assembly switch entry point for returning to host context.
435	*
436	* This is an alternative entry point which we'll be using when the we have the
437	* hypervisor context and need to save that before going to the host.
438	*
439	* This is typically useful when abandoning the hypervisor because of a trap
440	* and want the trap state to be saved.
441	*
442	* @param eax The return code, register.
443	* @param ecx Pointer to the hypervisor core context, register.
444	* @remark Assume interrupts disabled.
445	*/
446	RTGCPTR32 pfnVMMGCGuestToHostAsmHyperCtx/(int32_t eax, PCPUMCTXCORE ecx)/;
447
448	/**
449	* Assembly switch entry point for returning to host context.
450	*
451	* This is an alternative to the two *Ctx APIs and implies that the context has already
452	* been saved, or that it's just a brief return to HC and that the caller intends to resume
453	* whatever it is doing upon 'return' from this call.
454	*
455	* @param eax The return code, register.
456	* @remark Assume interrupts disabled.
457	*/
458	RTGCPTR32 pfnVMMGCGuestToHostAsm/(int32_t eax)/;
459	/** @} */
460
461
462	/** @name Various VM data owned by VM.
463	* @{ */
464	/** The thread handle of the emulation thread.
465	* Use the VM_IS_EMT() macro to check if executing in EMT. */
466	RTTHREAD ThreadEMT;
467	/** The native handle of ThreadEMT. Getting the native handle
468	* is generally faster than getting the IPRT one (except on OS/2 :-). */
469	RTNATIVETHREAD NativeThreadEMT;
470	/** @} */
471
472
473	/** @name Various items that are frequently accessed.
474	* @{ */
475	/** Raw ring-3 indicator. */
476	bool fRawR3Enabled;
477	/** Raw ring-0 indicator. */
478	bool fRawR0Enabled;
479	/** PATM enabled flag.
480	* This is placed here for performance reasons. */
481	bool fPATMEnabled;
482	/** CSAM enabled flag.
483	* This is placed here for performance reasons. */
484	bool fCSAMEnabled;
485
486	/** Hardware VM support is available and enabled.
487	* This is placed here for performance reasons. */
488	bool fHWACCMEnabled;
489	/** @} */
490
491
492	/* padding to make gnuc put the StatQemuToGC where msc does. */
493	#if HC_ARCH_BITS == 32
494	uint32_t padding0;
495	#endif
496
497	/** Profiling the total time from Qemu to GC. */
498	STAMPROFILEADV StatTotalQemuToGC;
499	/** Profiling the total time from GC to Qemu. */
500	STAMPROFILEADV StatTotalGCToQemu;
501	/** Profiling the total time spent in GC. */
502	STAMPROFILEADV StatTotalInGC;
503	/** Profiling the total time spent not in Qemu. */
504	STAMPROFILEADV StatTotalInQemu;
505	/** Profiling the VMMSwitcher code for going to GC. */
506	STAMPROFILEADV StatSwitcherToGC;
507	/** Profiling the VMMSwitcher code for going to HC. */
508	STAMPROFILEADV StatSwitcherToHC;
509	STAMPROFILEADV StatSwitcherSaveRegs;
510	STAMPROFILEADV StatSwitcherSysEnter;
511	STAMPROFILEADV StatSwitcherDebug;
512	STAMPROFILEADV StatSwitcherCR0;
513	STAMPROFILEADV StatSwitcherCR4;
514	STAMPROFILEADV StatSwitcherJmpCR3;
515	STAMPROFILEADV StatSwitcherRstrRegs;
516	STAMPROFILEADV StatSwitcherLgdt;
517	STAMPROFILEADV StatSwitcherLidt;
518	STAMPROFILEADV StatSwitcherLldt;
519	STAMPROFILEADV StatSwitcherTSS;
520
521	/** @todo Realign everything on 64 byte boundraries to better match the
522	* cache-line size. */
523	/* padding - the unions must be aligned on 32 bytes boundraries. */
524	uint32_t padding[HC_ARCH_BITS == 32 ? 4+8 : 6];
525
526	/** CPUM part. */
527	union
528	{
529	#ifdef ___CPUMInternal_h
530	struct CPUM s;
531	#endif
532	char padding[4416]; /* multiple of 32 */
533	} cpum;
534
535	/** VMM part. */
536	union
537	{
538	#ifdef ___VMMInternal_h
539	struct VMM s;
540	#endif
541	char padding[1536]; /* multiple of 32 */
542	} vmm;
543
544	/** PGM part. */
545	union
546	{
547	#ifdef ___PGMInternal_h
548	struct PGM s;
549	#endif
550	char padding[501024]; / multiple of 32 */
551	} pgm;
552
553	/** HWACCM part. */
554	union
555	{
556	#ifdef ___HWACCMInternal_h
557	struct HWACCM s;
558	#endif
559	char padding[1536]; /* multiple of 32 */
560	} hwaccm;
561
562	/** TRPM part. */
563	union
564	{
565	#ifdef ___TRPMInternal_h
566	struct TRPM s;
567	#endif
568	char padding[5344]; /* multiple of 32 */
569	} trpm;
570
571	/** SELM part. */
572	union
573	{
574	#ifdef ___SELMInternal_h
575	struct SELM s;
576	#endif
577	char padding[544]; /* multiple of 32 */
578	} selm;
579
580	/** MM part. */
581	union
582	{
583	#ifdef ___MMInternal_h
584	struct MM s;
585	#endif
586	char padding[192]; /* multiple of 32 */
587	} mm;
588
589	/** CFGM part. */
590	union
591	{
592	#ifdef ___CFGMInternal_h
593	struct CFGM s;
594	#endif
595	char padding[32]; /* multiple of 32 */
596	} cfgm;
597
598	/** PDM part. */
599	union
600	{
601	#ifdef ___PDMInternal_h
602	struct PDM s;
603	#endif
604	char padding[1184]; /* multiple of 32 */
605	} pdm;
606
607	/** IOM part. */
608	union
609	{
610	#ifdef ___IOMInternal_h
611	struct IOM s;
612	#endif
613	char padding[4544]; /* multiple of 32 */
614	} iom;
615
616	/** PATM part. */
617	union
618	{
619	#ifdef ___PATMInternal_h
620	struct PATM s;
621	#endif
622	char padding[768]; /* multiple of 32 */
623	} patm;
624
625	/** CSAM part. */
626	union
627	{
628	#ifdef ___CSAMInternal_h
629	struct CSAM s;
630	#endif
631	char padding[3328]; /* multiple of 32 */
632	} csam;
633
634	/** EM part. */
635	union
636	{
637	#ifdef ___EMInternal_h
638	struct EM s;
639	#endif
640	char padding[1344]; /* multiple of 32 */
641	} em;
642
643	/** TM part. */
644	union
645	{
646	#ifdef ___TMInternal_h
647	struct TM s;
648	#endif
649	char padding[1344]; /* multiple of 32 */
650	} tm;
651
652	/** DBGF part. */
653	union
654	{
655	#ifdef ___DBGFInternal_h
656	struct DBGF s;
657	#endif
658	char padding[2368]; /* multiple of 32 */
659	} dbgf;
660
661	/** SSM part. */
662	union
663	{
664	#ifdef ___SSMInternal_h
665	struct SSM s;
666	#endif
667	char padding[32]; /* multiple of 32 */
668	} ssm;
669
670	/** VM part. */
671	union
672	{
673	#ifdef ___VMInternal_h
674	struct VMINT s;
675	#endif
676	char padding[768]; /* multiple of 32 */
677	} vm;
678
679	/** REM part. */
680	union
681	{
682	#ifdef ___REMInternal_h
683	struct REM s;
684	#endif
685	#if GC_ARCH_BITS == 32
686	char padding[HC_ARCH_BITS == 32 ? 0x6f00 : 0xbf00]; /* multiple of 32 */
687	#else
688	char padding[HC_ARCH_BITS == 32 ? 0x9f00 : 0xdf00]; /* multiple of 32 */
689	#endif
690	} rem;
691
692	/** Padding for aligning the cpu array on a 64 byte boundrary. */
693	uint32_t u32Reserved2[8];
694
695	/**
696	* Per virtual CPU state.
697	*/
698	VMCPU aCpus[1];
699	} VM;
700
701	/** Pointer to a VM. */
702	#ifndef ___VBox_types_h
703	typedef struct VM *PVM;
704	#endif
705
706
707	#ifdef IN_GC
708	__BEGIN_DECLS
709
710	/** The VM structure.
711	* This is imported from the VMMGCBuiltin module, i.e. it's a one
712	* of those magic globals which we should avoid using.
713	*/
714	extern DECLIMPORT(VM) g_VM;
715
716	__END_DECLS
717	#endif
718
719	/** @} */
720
721	#endif
722

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source: vbox/trunk/include/VBox/vm.h@ 12977

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