vm.h@ 13841

Last change on this file since 13841 was 13832, checked in by vboxsync, 16 years ago
IN_GC -> IN_RC.
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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	/** Maximum number of virtual CPUs per VM. */
46	#define VMCPU_MAX_CPU_COUNT 255
47
48	/**
49	* The state of a virtual CPU.
50	*
51	* The VM running states are a sub-states of the VMSTATE_RUNNING state. While
52	* VMCPUSTATE_NOT_RUNNING is a place holder for the other VM states.
53	*/
54	typedef enum VMCPUSTATE
55	{
56	/** The customary invalid zero. */
57	VMCPUSTATE_INVALID = 0,
58
59	/** Running guest code (VM running). */
60	VMCPUSTATE_RUN_EXEC,
61	/** Running guest code in the recompiler (VM running). */
62	VMCPUSTATE_RUN_EXEC_REM,
63	/** Halted (VM running). */
64	VMCPUSTATE_RUN_HALTED,
65	/** All the other bits we do while running a VM (VM running). */
66	VMCPUSTATE_RUN_MISC,
67	/** VM not running, we're servicing requests or whatever. */
68	VMCPUSTATE_NOT_RUNNING,
69	/** The end of valid virtual CPU states. */
70	VMCPUSTATE_END,
71
72	/** Ensure 32-bit type. */
73	VMCPUSTATE_32BIT_HACK = 0x7fffffff
74	} VMCPUSTATE;
75
76
77	/**
78	* Per virtual CPU data.
79	*/
80	typedef struct VMCPU
81	{
82	/** Per CPU forced action.
83	* See the VMCPU_FF_* \#defines. Updated atomically. */
84	uint32_t volatile fForcedActions;
85	/** The CPU state. */
86	VMCPUSTATE volatile enmState;
87
88	/** Ring-3 Host Context VM Pointer. */
89	PVMR3 pVMR3;
90	/** Ring-0 Host Context VM Pointer. */
91	PVMR0 pVMR0;
92	/** Raw-mode Context VM Pointer. */
93	PVMRC pVMRC;
94	/** The CPU ID.
95	* This is the index into the VM::aCpu array. */
96	VMCPUID idCpu;
97	/** The native thread handle. */
98	RTNATIVETHREAD hNativeThread;
99
100	/** Align the next bit on a 64-byte boundary. */
101	uint32_t au32Alignment[HC_ARCH_BITS == 32 ? 9 : 6];
102
103	/** CPUM part. */
104	union
105	{
106	#ifdef ___CPUMInternal_h
107	struct CPUMCPU s;
108	#endif
109	char padding[4096]; /* multiple of 32 */
110	} cpum;
111	/** VMM part. */
112	union
113	{
114	#ifdef ___VMMInternal_h
115	struct VMMCPU s;
116	#endif
117	char padding[32]; /* multiple of 32 */
118	} vmm;
119
120	/** PGM part. */
121	union
122	{
123	#ifdef ___PGMInternal_h
124	struct PGMCPU s;
125	#endif
126	char padding[32]; /* multiple of 32 */
127	} pgm;
128
129	/** HWACCM part. */
130	union
131	{
132	#ifdef ___HWACCMInternal_h
133	struct HWACCMCPU s;
134	#endif
135	char padding[32]; /* multiple of 32 */
136	} hwaccm;
137
138	/** EM part. */
139	union
140	{
141	#ifdef ___EMInternal_h
142	struct EMCPU s;
143	#endif
144	char padding[32]; /* multiple of 32 */
145	} em;
146
147	/** TM part. */
148	union
149	{
150	#ifdef ___TMInternal_h
151	struct TMCPU s;
152	#endif
153	char padding[32]; /* multiple of 32 */
154	} tm;
155	} VMCPU;
156
157	/** Pointer to a VMCPU. */
158	#ifndef ___VBox_types_h
159	typedef struct VMCPU *PVMCPU;
160	#endif
161
162	/** The name of the Guest Context VMM Core module. */
163	#define VMMGC_MAIN_MODULE_NAME "VMMGC.gc"
164	/** The name of the Ring 0 Context VMM Core module. */
165	#define VMMR0_MAIN_MODULE_NAME "VMMR0.r0"
166
167	/** VM Forced Action Flags.
168	*
169	* Use the VM_FF_SET() and VM_FF_CLEAR() macros to change the force
170	* action mask of a VM.
171	*
172	* @{
173	*/
174	/** This action forces the VM to service check and pending interrups on the APIC. */
175	#define VM_FF_INTERRUPT_APIC RT_BIT_32(0)
176	/** This action forces the VM to service check and pending interrups on the PIC. */
177	#define VM_FF_INTERRUPT_PIC RT_BIT_32(1)
178	/** This action forces the VM to schedule and run pending timer (TM). */
179	#define VM_FF_TIMER RT_BIT_32(2)
180	/** PDM Queues are pending. */
181	#define VM_FF_PDM_QUEUES RT_BIT_32(3)
182	/** PDM DMA transfers are pending. */
183	#define VM_FF_PDM_DMA RT_BIT_32(4)
184	/** PDM critical section unlocking is pending, process promptly upon return to R3. */
185	#define VM_FF_PDM_CRITSECT RT_BIT_32(5)
186
187	/** This action forces the VM to call DBGF so DBGF can service debugger
188	* requests in the emulation thread.
189	* This action flag stays asserted till DBGF clears it.*/
190	#define VM_FF_DBGF RT_BIT_32(8)
191	/** This action forces the VM to service pending requests from other
192	* thread or requests which must be executed in another context. */
193	#define VM_FF_REQUEST RT_BIT_32(9)
194	/** Terminate the VM immediately. */
195	#define VM_FF_TERMINATE RT_BIT_32(10)
196	/** Reset the VM. (postponed) */
197	#define VM_FF_RESET RT_BIT_32(11)
198
199	/** This action forces the VM to resync the page tables before going
200	* back to execute guest code. (GLOBAL FLUSH) */
201	#define VM_FF_PGM_SYNC_CR3 RT_BIT_32(16)
202	/** Same as VM_FF_PGM_SYNC_CR3 except that global pages can be skipped.
203	* (NON-GLOBAL FLUSH) */
204	#define VM_FF_PGM_SYNC_CR3_NON_GLOBAL RT_BIT_32(17)
205	/** PGM needs to allocate handy pages. */
206	#define VM_FF_PGM_NEED_HANDY_PAGES RT_BIT_32(18)
207	/** Check the interupt and trap gates */
208	#define VM_FF_TRPM_SYNC_IDT RT_BIT_32(19)
209	/** Check Guest's TSS ring 0 stack */
210	#define VM_FF_SELM_SYNC_TSS RT_BIT_32(20)
211	/** Check Guest's GDT table */
212	#define VM_FF_SELM_SYNC_GDT RT_BIT_32(21)
213	/** Check Guest's LDT table */
214	#define VM_FF_SELM_SYNC_LDT RT_BIT_32(22)
215	/** Inhibit interrupts pending. See EMGetInhibitInterruptsPC(). */
216	#define VM_FF_INHIBIT_INTERRUPTS RT_BIT_32(23)
217
218	/** CSAM needs to scan the page that's being executed */
219	#define VM_FF_CSAM_SCAN_PAGE RT_BIT_32(24)
220	/** CSAM needs to do some homework. */
221	#define VM_FF_CSAM_PENDING_ACTION RT_BIT_32(25)
222
223	/** Force return to Ring-3. */
224	#define VM_FF_TO_R3 RT_BIT_32(28)
225
226	/** REM needs to be informed about handler changes. */
227	#define VM_FF_REM_HANDLER_NOTIFY RT_BIT_32(29)
228
229	/** Suspend the VM - debug only. */
230	#define VM_FF_DEBUG_SUSPEND RT_BIT_32(31)
231
232	/** Externally forced actions. Used to quit the idle/wait loop. */
233	#define VM_FF_EXTERNAL_SUSPENDED_MASK (VM_FF_TERMINATE \| VM_FF_DBGF \| VM_FF_REQUEST)
234	/** Externally forced actions. Used to quit the idle/wait loop. */
235	#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)
236	/** High priority pre-execution actions. */
237	#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 \
238	\| 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)
239	/** High priority pre raw-mode execution mask. */
240	#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 \
241	\| VM_FF_INHIBIT_INTERRUPTS)
242	/** High priority post-execution actions. */
243	#define VM_FF_HIGH_PRIORITY_POST_MASK (VM_FF_PDM_CRITSECT \| VM_FF_CSAM_PENDING_ACTION)
244	/** Normal priority post-execution actions. */
245	#define VM_FF_NORMAL_PRIORITY_POST_MASK (VM_FF_TERMINATE \| VM_FF_DBGF \| VM_FF_RESET \| VM_FF_CSAM_SCAN_PAGE)
246	/** Normal priority actions. */
247	#define VM_FF_NORMAL_PRIORITY_MASK (VM_FF_REQUEST \| VM_FF_PDM_QUEUES \| VM_FF_PDM_DMA \| VM_FF_REM_HANDLER_NOTIFY)
248	/** Flags to check before resuming guest execution. */
249	#define VM_FF_RESUME_GUEST_MASK (VM_FF_TO_R3)
250	/** All the forced flags. */
251	#define VM_FF_ALL_MASK (~0U)
252	/** All the forced flags. */
253	#define VM_FF_ALL_BUT_RAW_MASK (~(VM_FF_HIGH_PRIORITY_PRE_RAW_MASK \| VM_FF_CSAM_PENDING_ACTION \| VM_FF_PDM_CRITSECT))
254
255	/** @} */
256
257	/** @def VM_FF_SET
258	* Sets a force action flag.
259	*
260	* @param pVM VM Handle.
261	* @param fFlag The flag to set.
262	*/
263	#if 1
264	# define VM_FF_SET(pVM, fFlag) ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag))
265	#else
266	# define VM_FF_SET(pVM, fFlag) \
267	do { ASMAtomicOrU32(&(pVM)->fForcedActions, (fFlag)); \
268	RTLogPrintf("VM_FF_SET : %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
269	} while (0)
270	#endif
271
272	/** @def VMCPU_FF_SET
273	* Sets a force action flag for given VCPU.
274	*
275	* @param pVM VM Handle.
276	* @param idCpu Virtual CPU ID.
277	* @param fFlag The flag to set.
278	*/
279	#ifdef VBOX_WITH_SMP_GUESTS
280	# define VMCPU_FF_SET(pVM, idCpu, fFlag) ASMAtomicOrU32(&(pVM)->aCpu[idCpu].fForcedActions, (fFlag))
281	#else
282	# define VMCPU_FF_SET(pVM, idCpu, fFlag) VM_FF_SET(pVM, fFlag)
283	#endif
284
285	/** @def VM_FF_CLEAR
286	* Clears a force action flag.
287	*
288	* @param pVM VM Handle.
289	* @param fFlag The flag to clear.
290	*/
291	#if 1
292	# define VM_FF_CLEAR(pVM, fFlag) ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag))
293	#else
294	# define VM_FF_CLEAR(pVM, fFlag) \
295	do { ASMAtomicAndU32(&(pVM)->fForcedActions, ~(fFlag)); \
296	RTLogPrintf("VM_FF_CLEAR: %08x %s - %s(%d) %s\n", (pVM)->fForcedActions, #fFlag, __FILE__, __LINE__, __FUNCTION__); \
297	} while (0)
298	#endif
299
300	/** @def VMCPU_FF_CLEAR
301	* Clears a force action flag for given VCPU.
302	*
303	* @param pVM VM Handle.
304	* @param idCpu Virtual CPU ID.
305	* @param fFlag The flag to clear.
306	*/
307	#ifdef VBOX_WITH_SMP_GUESTS
308	# define VMCPU_FF_CLEAR(pVM, idCpu, fFlag) ASMAtomicAndU32(&(pVM)->aCpu[idCpu].fForcedActions, ~(fFlag))
309	#else
310	# define VMCPU_FF_CLEAR(pVM, idCpu, fFlag) VM_FF_CLEAR(pVM, fFlag)
311	#endif
312
313	/** @def VM_FF_ISSET
314	* Checks if a force action flag is set.
315	*
316	* @param pVM VM Handle.
317	* @param fFlag The flag to check.
318	*/
319	#define VM_FF_ISSET(pVM, fFlag) (((pVM)->fForcedActions & (fFlag)) == (fFlag))
320
321	/** @def VMCPU_FF_ISSET
322	* Checks if a force action flag is set for given VCPU.
323	*
324	* @param pVM VM Handle.
325	* @param idCpu Virtual CPU ID.
326	* @param fFlag The flag to check.
327	*/
328	#ifdef VBOX_WITH_SMP_GUESTS
329	# define VMCPU_FF_ISSET(pVM, idCpu, fFlag) (((pVM)->aCpu[idCpu].fForcedActions & (fFlag)) == (fFlag))
330	#else
331	# define VMCPU_FF_ISSET(pVM, idCpu, fFlag) VM_FF_ISSET(pVM, fFlag)
332	#endif
333
334	/** @def VM_FF_ISPENDING
335	* Checks if one or more force action in the specified set is pending.
336	*
337	* @param pVM VM Handle.
338	* @param fFlags The flags to check for.
339	*/
340	#define VM_FF_ISPENDING(pVM, fFlags) ((pVM)->fForcedActions & (fFlags))
341
342	/** @def VMCPU_FF_ISPENDING
343	* Checks if one or more force action in the specified set is pending for given VCPU.
344	*
345	* @param pVM VM Handle.
346	* @param idCpu Virtual CPU ID.
347	* @param fFlags The flags to check for.
348	*/
349	#ifdef VBOX_WITH_SMP_GUESTS
350	# define VMCPU_FF_ISPENDING(pVM, idCpu, fFlags) ((pVM)->aCpu[idCpu].fForcedActions & (fFlags))
351	#else
352	# define VMCPU_FF_ISPENDING(pVM, idCpu, fFlags) VM_FF_ISPENDING(pVM, fFlags)
353	#endif
354
355	/** @def VM_IS_EMT
356	* Checks if the current thread is the emulation thread (EMT).
357	*
358	* @remark The ring-0 variation will need attention if we expand the ring-0
359	* code to let threads other than EMT mess around with the VM.
360	*/
361	#ifdef IN_RC
362	# define VM_IS_EMT(pVM) true
363	#elif defined(IN_RING0)
364	# define VM_IS_EMT(pVM) true
365	#else
366	/** @todo need to rework this macro for the case of multiple emulation threads for SMP */
367	# define VM_IS_EMT(pVM) (VMR3GetVMCPUNativeThread(pVM) == RTThreadNativeSelf())
368	#endif
369
370	/** @def VM_ASSERT_EMT
371	* Asserts that the current thread IS the emulation thread (EMT).
372	*/
373	#ifdef IN_RC
374	# define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
375	#elif defined(IN_RING0)
376	# define VM_ASSERT_EMT(pVM) Assert(VM_IS_EMT(pVM))
377	#else
378	# define VM_ASSERT_EMT(pVM) \
379	AssertMsg(VM_IS_EMT(pVM), \
380	("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), VMR3GetVMCPUNativeThread(pVM)))
381	#endif
382
383	/** @def VM_ASSERT_EMT_RETURN
384	* Asserts that the current thread IS the emulation thread (EMT) and returns if it isn't.
385	*/
386	#ifdef IN_RC
387	# define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
388	#elif defined(IN_RING0)
389	# define VM_ASSERT_EMT_RETURN(pVM, rc) AssertReturn(VM_IS_EMT(pVM), (rc))
390	#else
391	# define VM_ASSERT_EMT_RETURN(pVM, rc) \
392	AssertMsgReturn(VM_IS_EMT(pVM), \
393	("Not emulation thread! Thread=%RTnthrd ThreadEMT=%RTnthrd\n", RTThreadNativeSelf(), VMR3GetVMCPUNativeThread(pVM)), \
394	(rc))
395	#endif
396
397
398	/** @def VM_GET_VMCPUID
399	* Returns the VMCPU id of the current EMT.
400	* @todo r=bird: See VMMGetCpuId().
401	*/
402	#ifdef IN_RC
403	# define VM_GET_VMCPUID(pVM) 0
404	#elif defined(IN_RING0)
405	# define VM_GET_VMCPUID(pVM) HWACCMGetVMCPUId(pVM)
406	#else
407	# define VM_GET_VMCPUID(pVM) VMR3GetVMCPUId(pVM)
408	#endif
409
410	/**
411	* Asserts that the current thread is NOT the emulation thread.
412	*/
413	#define VM_ASSERT_OTHER_THREAD(pVM) \
414	AssertMsg(!VM_IS_EMT(pVM), ("Not other thread!!\n"))
415
416
417	/** @def VM_ASSERT_STATE_RETURN
418	* Asserts a certain VM state.
419	*/
420	#define VM_ASSERT_STATE(pVM, _enmState) \
421	AssertMsg((pVM)->enmVMState == (_enmState), \
422	("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)))
423
424	/** @def VM_ASSERT_STATE_RETURN
425	* Asserts a certain VM state and returns if it doesn't match.
426	*/
427	#define VM_ASSERT_STATE_RETURN(pVM, _enmState, rc) \
428	AssertMsgReturn((pVM)->enmVMState == (_enmState), \
429	("state %s, expected %s\n", VMGetStateName(pVM->enmVMState), VMGetStateName(_enmState)), \
430	(rc))
431
432
433
434
435	/** This is the VM structure.
436	*
437	* It contains (nearly?) all the VM data which have to be available in all
438	* contexts. Even if it contains all the data the idea is to use APIs not
439	* to modify all the members all around the place. Therefore we make use of
440	* unions to hide everything which isn't local to the current source module.
441	* This means we'll have to pay a little bit of attention when adding new
442	* members to structures in the unions and make sure to keep the padding sizes
443	* up to date.
444	*
445	* Run tstVMStructSize after update!
446	*/
447	typedef struct VM
448	{
449	/** The state of the VM.
450	* This field is read only to everyone except the VM and EM. */
451	VMSTATE enmVMState;
452	/** Forced action flags.
453	* See the VM_FF_* \#defines. Updated atomically.
454	*/
455	volatile uint32_t fForcedActions;
456	/** Pointer to the array of page descriptors for the VM structure allocation. */
457	R3PTRTYPE(PSUPPAGE) paVMPagesR3;
458	/** Session handle. For use when calling SUPR0 APIs. */
459	PSUPDRVSESSION pSession;
460	/** Pointer to the ring-3 VM structure. */
461	PUVM pUVM;
462	/** Ring-3 Host Context VM Pointer. */
463	R3PTRTYPE(struct VM *) pVMR3;
464	/** Ring-0 Host Context VM Pointer. */
465	R0PTRTYPE(struct VM *) pVMR0;
466	/** Raw-mode Context VM Pointer. */
467	RCPTRTYPE(struct VM *) pVMRC;
468
469	/** The GVM VM handle. Only the GVM should modify this field. */
470	uint32_t hSelf;
471	/** Number of virtual CPUs. */
472	uint32_t cCPUs;
473
474	/** Size of the VM structure including the VMCPU array. */
475	uint32_t cbSelf;
476
477	/** Offset to the VMCPU array starting from beginning of this structure. */
478	uint32_t offVMCPU;
479
480	/** Reserved; alignment. */
481	uint32_t u32Reserved[6];
482
483	/** @name Public VMM Switcher APIs
484	* @{ */
485	/**
486	* Assembly switch entry point for returning to host context.
487	* This function will clean up the stack frame.
488	*
489	* @param eax The return code, register.
490	* @param Ctx The guest core context.
491	* @remark Assume interrupts disabled.
492	*/
493	RTRCPTR pfnVMMGCGuestToHostAsmGuestCtx/(int32_t eax, CPUMCTXCORE Ctx)/;
494
495	/**
496	* Assembly switch entry point for returning to host context.
497	*
498	* This is an alternative entry point which we'll be using when the we have the
499	* hypervisor context and need to save that before going to the host.
500	*
501	* This is typically useful when abandoning the hypervisor because of a trap
502	* and want the trap state to be saved.
503	*
504	* @param eax The return code, register.
505	* @param ecx Pointer to the hypervisor core context, register.
506	* @remark Assume interrupts disabled.
507	*/
508	RTRCPTR pfnVMMGCGuestToHostAsmHyperCtx/(int32_t eax, PCPUMCTXCORE ecx)/;
509
510	/**
511	* Assembly switch entry point for returning to host context.
512	*
513	* This is an alternative to the two *Ctx APIs and implies that the context has already
514	* been saved, or that it's just a brief return to HC and that the caller intends to resume
515	* whatever it is doing upon 'return' from this call.
516	*
517	* @param eax The return code, register.
518	* @remark Assume interrupts disabled.
519	*/
520	RTRCPTR pfnVMMGCGuestToHostAsm/(int32_t eax)/;
521	/** @} */
522
523
524	/** @name Various VM data owned by VM.
525	* @{ */
526	RTTHREAD uPadding1;
527	/** The native handle of ThreadEMT. Getting the native handle
528	* is generally faster than getting the IPRT one (except on OS/2 :-). */
529	RTNATIVETHREAD uPadding2;
530	/** @} */
531
532
533	/** @name Various items that are frequently accessed.
534	* @{ */
535	/** Raw ring-3 indicator. */
536	bool fRawR3Enabled;
537	/** Raw ring-0 indicator. */
538	bool fRawR0Enabled;
539	/** PATM enabled flag.
540	* This is placed here for performance reasons. */
541	bool fPATMEnabled;
542	/** CSAM enabled flag.
543	* This is placed here for performance reasons. */
544	bool fCSAMEnabled;
545
546	/** Hardware VM support is available and enabled.
547	* This is placed here for performance reasons. */
548	bool fHWACCMEnabled;
549
550	/** PARAV enabled flag. */
551	bool fPARAVEnabled;
552	/** @} */
553
554
555	/* padding to make gnuc put the StatQemuToGC where msc does. */
556	#if HC_ARCH_BITS == 32
557	uint32_t padding0;
558	#endif
559
560	/** Profiling the total time from Qemu to GC. */
561	STAMPROFILEADV StatTotalQemuToGC;
562	/** Profiling the total time from GC to Qemu. */
563	STAMPROFILEADV StatTotalGCToQemu;
564	/** Profiling the total time spent in GC. */
565	STAMPROFILEADV StatTotalInGC;
566	/** Profiling the total time spent not in Qemu. */
567	STAMPROFILEADV StatTotalInQemu;
568	/** Profiling the VMMSwitcher code for going to GC. */
569	STAMPROFILEADV StatSwitcherToGC;
570	/** Profiling the VMMSwitcher code for going to HC. */
571	STAMPROFILEADV StatSwitcherToHC;
572	STAMPROFILEADV StatSwitcherSaveRegs;
573	STAMPROFILEADV StatSwitcherSysEnter;
574	STAMPROFILEADV StatSwitcherDebug;
575	STAMPROFILEADV StatSwitcherCR0;
576	STAMPROFILEADV StatSwitcherCR4;
577	STAMPROFILEADV StatSwitcherJmpCR3;
578	STAMPROFILEADV StatSwitcherRstrRegs;
579	STAMPROFILEADV StatSwitcherLgdt;
580	STAMPROFILEADV StatSwitcherLidt;
581	STAMPROFILEADV StatSwitcherLldt;
582	STAMPROFILEADV StatSwitcherTSS;
583
584	/** @todo Realign everything on 64 byte boundraries to better match the
585	* cache-line size. */
586	/* padding - the unions must be aligned on 32 bytes boundraries. */
587	uint32_t padding[HC_ARCH_BITS == 32 ? 4+8 : 6];
588
589	/** CPUM part. */
590	union
591	{
592	#ifdef ___CPUMInternal_h
593	struct CPUM s;
594	#endif
595	char padding[4416]; /* multiple of 32 */
596	} cpum;
597
598	/** VMM part. */
599	union
600	{
601	#ifdef ___VMMInternal_h
602	struct VMM s;
603	#endif
604	char padding[1536]; /* multiple of 32 */
605	} vmm;
606
607	/** PGM part. */
608	union
609	{
610	#ifdef ___PGMInternal_h
611	struct PGM s;
612	#endif
613	char padding[501024]; / multiple of 32 */
614	} pgm;
615
616	/** HWACCM part. */
617	union
618	{
619	#ifdef ___HWACCMInternal_h
620	struct HWACCM s;
621	#endif
622	char padding[1536]; /* multiple of 32 */
623	} hwaccm;
624
625	/** TRPM part. */
626	union
627	{
628	#ifdef ___TRPMInternal_h
629	struct TRPM s;
630	#endif
631	char padding[5344]; /* multiple of 32 */
632	} trpm;
633
634	/** SELM part. */
635	union
636	{
637	#ifdef ___SELMInternal_h
638	struct SELM s;
639	#endif
640	char padding[544]; /* multiple of 32 */
641	} selm;
642
643	/** MM part. */
644	union
645	{
646	#ifdef ___MMInternal_h
647	struct MM s;
648	#endif
649	char padding[192]; /* multiple of 32 */
650	} mm;
651
652	/** CFGM part. */
653	union
654	{
655	#ifdef ___CFGMInternal_h
656	struct CFGM s;
657	#endif
658	char padding[32]; /* multiple of 32 */
659	} cfgm;
660
661	/** PDM part. */
662	union
663	{
664	#ifdef ___PDMInternal_h
665	struct PDM s;
666	#endif
667	char padding[1824]; /* multiple of 32 */
668	} pdm;
669
670	/** IOM part. */
671	union
672	{
673	#ifdef ___IOMInternal_h
674	struct IOM s;
675	#endif
676	char padding[4544]; /* multiple of 32 */
677	} iom;
678
679	/** PATM part. */
680	union
681	{
682	#ifdef ___PATMInternal_h
683	struct PATM s;
684	#endif
685	char padding[768]; /* multiple of 32 */
686	} patm;
687
688	/** CSAM part. */
689	union
690	{
691	#ifdef ___CSAMInternal_h
692	struct CSAM s;
693	#endif
694	char padding[3328]; /* multiple of 32 */
695	} csam;
696
697	/** PARAV part. */
698	union
699	{
700	#ifdef ___PARAVInternal_h
701	struct PARAV s;
702	#endif
703	char padding[128];
704	} parav;
705
706	/** EM part. */
707	union
708	{
709	#ifdef ___EMInternal_h
710	struct EM s;
711	#endif
712	char padding[1344]; /* multiple of 32 */
713	} em;
714
715	/** TM part. */
716	union
717	{
718	#ifdef ___TMInternal_h
719	struct TM s;
720	#endif
721	char padding[1536]; /* multiple of 32 */
722	} tm;
723
724	/** DBGF part. */
725	union
726	{
727	#ifdef ___DBGFInternal_h
728	struct DBGF s;
729	#endif
730	char padding[2368]; /* multiple of 32 */
731	} dbgf;
732
733	/** SSM part. */
734	union
735	{
736	#ifdef ___SSMInternal_h
737	struct SSM s;
738	#endif
739	char padding[32]; /* multiple of 32 */
740	} ssm;
741
742	/** VM part. */
743	union
744	{
745	#ifdef ___VMInternal_h
746	struct VMINT s;
747	#endif
748	char padding[768]; /* multiple of 32 */
749	} vm;
750
751	/** REM part. */
752	union
753	{
754	#ifdef ___REMInternal_h
755	struct REM s;
756	#endif
757
758	#ifdef VBOX_WITH_NEW_RECOMPILER
759	/** @def VM_REM_SIZE
760	* Must be multiple of 32 and coherent with REM_ENV_SIZE from REMInternal.h. */
761	#if GC_ARCH_BITS == 32
762	# define VM_REM_SIZE (HC_ARCH_BITS == 32 ? 0x10800 : 0x10800)
763	#else
764	# define VM_REM_SIZE (HC_ARCH_BITS == 32 ? 0x10900 : 0x10900)
765	#endif
766	#else /* !VBOX_WITH_NEW_RECOMILER */
767	#if GC_ARCH_BITS == 32
768	# define VM_REM_SIZE (HC_ARCH_BITS == 32 ? 0x6f00 : 0xbf00)
769	#else
770	# define VM_REM_SIZE (HC_ARCH_BITS == 32 ? 0x9f00 : 0xdf00)
771	#endif
772	#endif /* !VBOX_WITH_NEW_RECOMILER */
773	char padding[VM_REM_SIZE]; /* multiple of 32 */
774	} rem;
775
776	/** Padding for aligning the cpu array on a 64 byte boundrary. */
777	uint32_t u32Reserved2[8];
778
779	/** VMCPU array for the configured number of virtual CPUs.
780	* Must be aligned on a 64-byte boundrary. */
781	VMCPU aCpus[1];
782	} VM;
783
784	/** Pointer to a VM. */
785	#ifndef ___VBox_types_h
786	typedef struct VM *PVM;
787	#endif
788
789
790	#ifdef IN_RC
791	__BEGIN_DECLS
792
793	/** The VM structure.
794	* This is imported from the VMMGCBuiltin module, i.e. it's a one
795	* of those magic globals which we should avoid using.
796	*/
797	extern DECLIMPORT(VM) g_VM;
798
799	__END_DECLS
800	#endif
801
802	/** @} */
803
804	#endif
805

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source: vbox/trunk/include/VBox/vm.h@ 13841

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