VirtualBox

source: vbox/trunk/include/VBox/vmm/cpum.h@ 36644

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1/** @file
2 * CPUM - CPU Monitor(/ Manager).
3 */
4
5/*
6 * Copyright (C) 2006-2010 Oracle Corporation
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
26#ifndef ___VBox_vmm_cpum_h
27#define ___VBox_vmm_cpum_h
28
29#include <iprt/types.h>
30#include <VBox/x86.h>
31#include <VBox/vmm/cpumctx.h>
32
33RT_C_DECLS_BEGIN
34
35/** @defgroup grp_cpum The CPU Monitor / Manager API
36 * @{
37 */
38
39/**
40 * CPUID feature to set or clear.
41 */
42typedef enum CPUMCPUIDFEATURE
43{
44 CPUMCPUIDFEATURE_INVALID = 0,
45 /** The APIC feature bit. (Std+Ext) */
46 CPUMCPUIDFEATURE_APIC,
47 /** The sysenter/sysexit feature bit. (Std) */
48 CPUMCPUIDFEATURE_SEP,
49 /** The SYSCALL/SYSEXIT feature bit (64 bits mode only for Intel CPUs). (Ext) */
50 CPUMCPUIDFEATURE_SYSCALL,
51 /** The PAE feature bit. (Std+Ext) */
52 CPUMCPUIDFEATURE_PAE,
53 /** The NXE feature bit. (Ext) */
54 CPUMCPUIDFEATURE_NXE,
55 /** The LAHF/SAHF feature bit (64 bits mode only). (Ext) */
56 CPUMCPUIDFEATURE_LAHF,
57 /** The LONG MODE feature bit. (Ext) */
58 CPUMCPUIDFEATURE_LONG_MODE,
59 /** The PAT feature bit. (Std+Ext) */
60 CPUMCPUIDFEATURE_PAT,
61 /** The x2APIC feature bit. (Std) */
62 CPUMCPUIDFEATURE_X2APIC,
63 /** The RDTSCP feature bit. (Ext) */
64 CPUMCPUIDFEATURE_RDTSCP,
65 /** 32bit hackishness. */
66 CPUMCPUIDFEATURE_32BIT_HACK = 0x7fffffff
67} CPUMCPUIDFEATURE;
68
69/**
70 * CPU Vendor.
71 */
72typedef enum CPUMCPUVENDOR
73{
74 CPUMCPUVENDOR_INVALID = 0,
75 CPUMCPUVENDOR_INTEL,
76 CPUMCPUVENDOR_AMD,
77 CPUMCPUVENDOR_VIA,
78 CPUMCPUVENDOR_UNKNOWN,
79 CPUMCPUVENDOR_SYNTHETIC,
80 /** 32bit hackishness. */
81 CPUMCPUVENDOR_32BIT_HACK = 0x7fffffff
82} CPUMCPUVENDOR;
83
84
85/** @name Guest Register Getters.
86 * @{ */
87VMMDECL(void) CPUMGetGuestGDTR(PVMCPU pVCpu, PVBOXGDTR pGDTR);
88VMMDECL(RTGCPTR) CPUMGetGuestIDTR(PVMCPU pVCpu, uint16_t *pcbLimit);
89VMMDECL(RTSEL) CPUMGetGuestTR(PVMCPU pVCpu, PCPUMSELREGHID pHidden);
90VMMDECL(RTSEL) CPUMGetGuestLDTR(PVMCPU pVCpu);
91VMMDECL(uint64_t) CPUMGetGuestCR0(PVMCPU pVCpu);
92VMMDECL(uint64_t) CPUMGetGuestCR2(PVMCPU pVCpu);
93VMMDECL(uint64_t) CPUMGetGuestCR3(PVMCPU pVCpu);
94VMMDECL(uint64_t) CPUMGetGuestCR4(PVMCPU pVCpu);
95VMMDECL(uint64_t) CPUMGetGuestCR8(PVMCPU pVCpu);
96VMMDECL(int) CPUMGetGuestCRx(PVMCPU pVCpu, unsigned iReg, uint64_t *pValue);
97VMMDECL(uint32_t) CPUMGetGuestEFlags(PVMCPU pVCpu);
98VMMDECL(uint32_t) CPUMGetGuestEIP(PVMCPU pVCpu);
99VMMDECL(uint64_t) CPUMGetGuestRIP(PVMCPU pVCpu);
100VMMDECL(uint32_t) CPUMGetGuestEAX(PVMCPU pVCpu);
101VMMDECL(uint32_t) CPUMGetGuestEBX(PVMCPU pVCpu);
102VMMDECL(uint32_t) CPUMGetGuestECX(PVMCPU pVCpu);
103VMMDECL(uint32_t) CPUMGetGuestEDX(PVMCPU pVCpu);
104VMMDECL(uint32_t) CPUMGetGuestESI(PVMCPU pVCpu);
105VMMDECL(uint32_t) CPUMGetGuestEDI(PVMCPU pVCpu);
106VMMDECL(uint32_t) CPUMGetGuestESP(PVMCPU pVCpu);
107VMMDECL(uint32_t) CPUMGetGuestEBP(PVMCPU pVCpu);
108VMMDECL(RTSEL) CPUMGetGuestCS(PVMCPU pVCpu);
109VMMDECL(RTSEL) CPUMGetGuestDS(PVMCPU pVCpu);
110VMMDECL(RTSEL) CPUMGetGuestES(PVMCPU pVCpu);
111VMMDECL(RTSEL) CPUMGetGuestFS(PVMCPU pVCpu);
112VMMDECL(RTSEL) CPUMGetGuestGS(PVMCPU pVCpu);
113VMMDECL(RTSEL) CPUMGetGuestSS(PVMCPU pVCpu);
114VMMDECL(uint64_t) CPUMGetGuestDR0(PVMCPU pVCpu);
115VMMDECL(uint64_t) CPUMGetGuestDR1(PVMCPU pVCpu);
116VMMDECL(uint64_t) CPUMGetGuestDR2(PVMCPU pVCpu);
117VMMDECL(uint64_t) CPUMGetGuestDR3(PVMCPU pVCpu);
118VMMDECL(uint64_t) CPUMGetGuestDR6(PVMCPU pVCpu);
119VMMDECL(uint64_t) CPUMGetGuestDR7(PVMCPU pVCpu);
120VMMDECL(int) CPUMGetGuestDRx(PVMCPU pVCpu, uint32_t iReg, uint64_t *pValue);
121VMMDECL(void) CPUMGetGuestCpuId(PVMCPU pVCpu, uint32_t iLeaf, uint32_t *pEax, uint32_t *pEbx, uint32_t *pEcx, uint32_t *pEdx);
122VMMDECL(uint32_t) CPUMGetGuestCpuIdStdMax(PVM pVM);
123VMMDECL(uint32_t) CPUMGetGuestCpuIdExtMax(PVM pVM);
124VMMDECL(uint32_t) CPUMGetGuestCpuIdCentaurMax(PVM pVM);
125VMMDECL(uint64_t) CPUMGetGuestEFER(PVMCPU pVCpu);
126VMMDECL(int) CPUMQueryGuestMsr(PVMCPU pVCpu, uint32_t idMsr, uint64_t *puValue);
127VMMDECL(int) CPUMSetGuestMsr(PVMCPU pVCpu, uint32_t idMsr, uint64_t uValue);
128VMMDECL(CPUMCPUVENDOR) CPUMGetGuestCpuVendor(PVM pVM);
129VMMDECL(CPUMCPUVENDOR) CPUMGetHostCpuVendor(PVM pVM);
130/** @} */
131
132/** @name Guest Register Setters.
133 * @{ */
134VMMDECL(int) CPUMSetGuestGDTR(PVMCPU pVCpu, uint32_t addr, uint16_t limit);
135VMMDECL(int) CPUMSetGuestIDTR(PVMCPU pVCpu, uint32_t addr, uint16_t limit);
136VMMDECL(int) CPUMSetGuestTR(PVMCPU pVCpu, uint16_t tr);
137VMMDECL(int) CPUMSetGuestLDTR(PVMCPU pVCpu, uint16_t ldtr);
138VMMDECL(int) CPUMSetGuestCR0(PVMCPU pVCpu, uint64_t cr0);
139VMMDECL(int) CPUMSetGuestCR2(PVMCPU pVCpu, uint64_t cr2);
140VMMDECL(int) CPUMSetGuestCR3(PVMCPU pVCpu, uint64_t cr3);
141VMMDECL(int) CPUMSetGuestCR4(PVMCPU pVCpu, uint64_t cr4);
142VMMDECL(int) CPUMSetGuestDR0(PVMCPU pVCpu, uint64_t uDr0);
143VMMDECL(int) CPUMSetGuestDR1(PVMCPU pVCpu, uint64_t uDr1);
144VMMDECL(int) CPUMSetGuestDR2(PVMCPU pVCpu, uint64_t uDr2);
145VMMDECL(int) CPUMSetGuestDR3(PVMCPU pVCpu, uint64_t uDr3);
146VMMDECL(int) CPUMSetGuestDR6(PVMCPU pVCpu, uint64_t uDr6);
147VMMDECL(int) CPUMSetGuestDR7(PVMCPU pVCpu, uint64_t uDr7);
148VMMDECL(int) CPUMSetGuestDRx(PVMCPU pVCpu, uint32_t iReg, uint64_t Value);
149VMMDECL(int) CPUMSetGuestEFlags(PVMCPU pVCpu, uint32_t eflags);
150VMMDECL(int) CPUMSetGuestEIP(PVMCPU pVCpu, uint32_t eip);
151VMMDECL(int) CPUMSetGuestEAX(PVMCPU pVCpu, uint32_t eax);
152VMMDECL(int) CPUMSetGuestEBX(PVMCPU pVCpu, uint32_t ebx);
153VMMDECL(int) CPUMSetGuestECX(PVMCPU pVCpu, uint32_t ecx);
154VMMDECL(int) CPUMSetGuestEDX(PVMCPU pVCpu, uint32_t edx);
155VMMDECL(int) CPUMSetGuestESI(PVMCPU pVCpu, uint32_t esi);
156VMMDECL(int) CPUMSetGuestEDI(PVMCPU pVCpu, uint32_t edi);
157VMMDECL(int) CPUMSetGuestESP(PVMCPU pVCpu, uint32_t esp);
158VMMDECL(int) CPUMSetGuestEBP(PVMCPU pVCpu, uint32_t ebp);
159VMMDECL(int) CPUMSetGuestCS(PVMCPU pVCpu, uint16_t cs);
160VMMDECL(int) CPUMSetGuestDS(PVMCPU pVCpu, uint16_t ds);
161VMMDECL(int) CPUMSetGuestES(PVMCPU pVCpu, uint16_t es);
162VMMDECL(int) CPUMSetGuestFS(PVMCPU pVCpu, uint16_t fs);
163VMMDECL(int) CPUMSetGuestGS(PVMCPU pVCpu, uint16_t gs);
164VMMDECL(int) CPUMSetGuestSS(PVMCPU pVCpu, uint16_t ss);
165VMMDECL(void) CPUMSetGuestEFER(PVMCPU pVCpu, uint64_t val);
166VMMDECL(void) CPUMSetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature);
167VMMDECL(void) CPUMClearGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature);
168VMMDECL(bool) CPUMGetGuestCpuIdFeature(PVM pVM, CPUMCPUIDFEATURE enmFeature);
169VMMDECL(void) CPUMSetGuestCtx(PVMCPU pVCpu, const PCPUMCTX pCtx);
170/** @} */
171
172
173/** @name Misc Guest Predicate Functions.
174 * @{ */
175
176VMMDECL(bool) CPUMIsGuestIn16BitCode(PVMCPU pVCpu);
177VMMDECL(bool) CPUMIsGuestIn32BitCode(PVMCPU pVCpu);
178VMMDECL(bool) CPUMIsGuestNXEnabled(PVMCPU pVCpu);
179VMMDECL(bool) CPUMIsGuestPageSizeExtEnabled(PVMCPU pVCpu);
180VMMDECL(bool) CPUMIsGuestPagingEnabled(PVMCPU pVCpu);
181VMMDECL(bool) CPUMIsGuestR0WriteProtEnabled(PVMCPU pVCpu);
182VMMDECL(bool) CPUMIsGuestInRealMode(PVMCPU pVCpu);
183VMMDECL(bool) CPUMIsGuestInRealOrV86Mode(PVMCPU pVCpu);
184VMMDECL(bool) CPUMIsGuestInProtectedMode(PVMCPU pVCpu);
185VMMDECL(bool) CPUMIsGuestInPagedProtectedMode(PVMCPU pVCpu);
186VMMDECL(bool) CPUMIsGuestInLongMode(PVMCPU pVCpu);
187VMMDECL(bool) CPUMIsGuestInPAEMode(PVMCPU pVCpu);
188
189#ifndef VBOX_WITHOUT_UNNAMED_UNIONS
190
191/**
192 * Tests if the guest is running in real mode or not.
193 *
194 * @returns true if in real mode, otherwise false.
195 * @param pCtx Current CPU context
196 */
197DECLINLINE(bool) CPUMIsGuestInRealModeEx(PCPUMCTX pCtx)
198{
199 return !(pCtx->cr0 & X86_CR0_PE);
200}
201
202/**
203 * Tests if the guest is running in real or virtual 8086 mode.
204 *
205 * @returns @c true if it is, @c false if not.
206 * @param pCtx Current CPU context
207 */
208DECLINLINE(bool) CPUMIsGuestInRealOrV86ModeEx(PCPUMCTX pCtx)
209{
210 return !(pCtx->cr0 & X86_CR0_PE)
211 || pCtx->eflags.Bits.u1VM; /** @todo verify that this cannot be set in long mode. */
212}
213
214/**
215 * Tests if the guest is running in paged protected or not.
216 *
217 * @returns true if in paged protected mode, otherwise false.
218 * @param pVM The VM handle.
219 */
220DECLINLINE(bool) CPUMIsGuestInPagedProtectedModeEx(PCPUMCTX pCtx)
221{
222 return (pCtx->cr0 & (X86_CR0_PE | X86_CR0_PG)) == (X86_CR0_PE | X86_CR0_PG);
223}
224
225/**
226 * Tests if the guest is running in long mode or not.
227 *
228 * @returns true if in long mode, otherwise false.
229 * @param pCtx Current CPU context
230 */
231DECLINLINE(bool) CPUMIsGuestInLongModeEx(PCPUMCTX pCtx)
232{
233 return (pCtx->msrEFER & MSR_K6_EFER_LMA) == MSR_K6_EFER_LMA;
234}
235
236/**
237 * Tests if the guest is running in 64 bits mode or not.
238 *
239 * @returns true if in 64 bits protected mode, otherwise false.
240 * @param pVM The VM handle.
241 * @param pCtx Current CPU context
242 */
243DECLINLINE(bool) CPUMIsGuestIn64BitCode(PVMCPU pVCpu, PCCPUMCTXCORE pCtx)
244{
245 if (!CPUMIsGuestInLongMode(pVCpu))
246 return false;
247
248 return pCtx->csHid.Attr.n.u1Long;
249}
250
251/**
252 * Tests if the guest is running in 64 bits mode or not.
253 *
254 * @returns true if in 64 bits protected mode, otherwise false.
255 * @param pVM The VM handle.
256 * @param pCtx Current CPU context
257 */
258DECLINLINE(bool) CPUMIsGuestIn64BitCodeEx(PCCPUMCTX pCtx)
259{
260 if (!(pCtx->msrEFER & MSR_K6_EFER_LMA))
261 return false;
262
263 return pCtx->csHid.Attr.n.u1Long;
264}
265
266/**
267 * Tests if the guest is running in PAE mode or not.
268 *
269 * @returns true if in PAE mode, otherwise false.
270 * @param pCtx Current CPU context
271 */
272DECLINLINE(bool) CPUMIsGuestInPAEModeEx(PCPUMCTX pCtx)
273{
274 return ( (pCtx->cr4 & X86_CR4_PAE)
275 && CPUMIsGuestInPagedProtectedModeEx(pCtx)
276 && !CPUMIsGuestInLongModeEx(pCtx));
277}
278
279#endif /* VBOX_WITHOUT_UNNAMED_UNIONS */
280
281/** @} */
282
283
284/** @name Hypervisor Register Getters.
285 * @{ */
286VMMDECL(RTSEL) CPUMGetHyperCS(PVMCPU pVCpu);
287VMMDECL(RTSEL) CPUMGetHyperDS(PVMCPU pVCpu);
288VMMDECL(RTSEL) CPUMGetHyperES(PVMCPU pVCpu);
289VMMDECL(RTSEL) CPUMGetHyperFS(PVMCPU pVCpu);
290VMMDECL(RTSEL) CPUMGetHyperGS(PVMCPU pVCpu);
291VMMDECL(RTSEL) CPUMGetHyperSS(PVMCPU pVCpu);
292#if 0 /* these are not correct. */
293VMMDECL(uint32_t) CPUMGetHyperCR0(PVMCPU pVCpu);
294VMMDECL(uint32_t) CPUMGetHyperCR2(PVMCPU pVCpu);
295VMMDECL(uint32_t) CPUMGetHyperCR3(PVMCPU pVCpu);
296VMMDECL(uint32_t) CPUMGetHyperCR4(PVMCPU pVCpu);
297#endif
298/** This register is only saved on fatal traps. */
299VMMDECL(uint32_t) CPUMGetHyperEAX(PVMCPU pVCpu);
300VMMDECL(uint32_t) CPUMGetHyperEBX(PVMCPU pVCpu);
301/** This register is only saved on fatal traps. */
302VMMDECL(uint32_t) CPUMGetHyperECX(PVMCPU pVCpu);
303/** This register is only saved on fatal traps. */
304VMMDECL(uint32_t) CPUMGetHyperEDX(PVMCPU pVCpu);
305VMMDECL(uint32_t) CPUMGetHyperESI(PVMCPU pVCpu);
306VMMDECL(uint32_t) CPUMGetHyperEDI(PVMCPU pVCpu);
307VMMDECL(uint32_t) CPUMGetHyperEBP(PVMCPU pVCpu);
308VMMDECL(uint32_t) CPUMGetHyperESP(PVMCPU pVCpu);
309VMMDECL(uint32_t) CPUMGetHyperEFlags(PVMCPU pVCpu);
310VMMDECL(uint32_t) CPUMGetHyperEIP(PVMCPU pVCpu);
311VMMDECL(uint64_t) CPUMGetHyperRIP(PVMCPU pVCpu);
312VMMDECL(uint32_t) CPUMGetHyperIDTR(PVMCPU pVCpu, uint16_t *pcbLimit);
313VMMDECL(uint32_t) CPUMGetHyperGDTR(PVMCPU pVCpu, uint16_t *pcbLimit);
314VMMDECL(RTSEL) CPUMGetHyperLDTR(PVMCPU pVCpu);
315VMMDECL(RTGCUINTREG) CPUMGetHyperDR0(PVMCPU pVCpu);
316VMMDECL(RTGCUINTREG) CPUMGetHyperDR1(PVMCPU pVCpu);
317VMMDECL(RTGCUINTREG) CPUMGetHyperDR2(PVMCPU pVCpu);
318VMMDECL(RTGCUINTREG) CPUMGetHyperDR3(PVMCPU pVCpu);
319VMMDECL(RTGCUINTREG) CPUMGetHyperDR6(PVMCPU pVCpu);
320VMMDECL(RTGCUINTREG) CPUMGetHyperDR7(PVMCPU pVCpu);
321VMMDECL(void) CPUMGetHyperCtx(PVMCPU pVCpu, PCPUMCTX pCtx);
322VMMDECL(uint32_t) CPUMGetHyperCR3(PVMCPU pVCpu);
323/** @} */
324
325/** @name Hypervisor Register Setters.
326 * @{ */
327VMMDECL(void) CPUMSetHyperGDTR(PVMCPU pVCpu, uint32_t addr, uint16_t limit);
328VMMDECL(void) CPUMSetHyperLDTR(PVMCPU pVCpu, RTSEL SelLDTR);
329VMMDECL(void) CPUMSetHyperIDTR(PVMCPU pVCpu, uint32_t addr, uint16_t limit);
330VMMDECL(void) CPUMSetHyperCR3(PVMCPU pVCpu, uint32_t cr3);
331VMMDECL(void) CPUMSetHyperTR(PVMCPU pVCpu, RTSEL SelTR);
332VMMDECL(void) CPUMSetHyperCS(PVMCPU pVCpu, RTSEL SelCS);
333VMMDECL(void) CPUMSetHyperDS(PVMCPU pVCpu, RTSEL SelDS);
334VMMDECL(void) CPUMSetHyperES(PVMCPU pVCpu, RTSEL SelDS);
335VMMDECL(void) CPUMSetHyperFS(PVMCPU pVCpu, RTSEL SelDS);
336VMMDECL(void) CPUMSetHyperGS(PVMCPU pVCpu, RTSEL SelDS);
337VMMDECL(void) CPUMSetHyperSS(PVMCPU pVCpu, RTSEL SelSS);
338VMMDECL(void) CPUMSetHyperESP(PVMCPU pVCpu, uint32_t u32ESP);
339VMMDECL(int) CPUMSetHyperEFlags(PVMCPU pVCpu, uint32_t Efl);
340VMMDECL(void) CPUMSetHyperEIP(PVMCPU pVCpu, uint32_t u32EIP);
341VMMDECL(void) CPUMSetHyperDR0(PVMCPU pVCpu, RTGCUINTREG uDr0);
342VMMDECL(void) CPUMSetHyperDR1(PVMCPU pVCpu, RTGCUINTREG uDr1);
343VMMDECL(void) CPUMSetHyperDR2(PVMCPU pVCpu, RTGCUINTREG uDr2);
344VMMDECL(void) CPUMSetHyperDR3(PVMCPU pVCpu, RTGCUINTREG uDr3);
345VMMDECL(void) CPUMSetHyperDR6(PVMCPU pVCpu, RTGCUINTREG uDr6);
346VMMDECL(void) CPUMSetHyperDR7(PVMCPU pVCpu, RTGCUINTREG uDr7);
347VMMDECL(void) CPUMSetHyperCtx(PVMCPU pVCpu, const PCPUMCTX pCtx);
348VMMDECL(int) CPUMRecalcHyperDRx(PVMCPU pVCpu);
349/** @} */
350
351VMMDECL(void) CPUMPushHyper(PVMCPU pVCpu, uint32_t u32);
352VMMDECL(void) CPUMHyperSetCtxCore(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore);
353VMMDECL(int) CPUMQueryHyperCtxPtr(PVMCPU pVCpu, PCPUMCTX *ppCtx);
354VMMDECL(PCCPUMCTXCORE) CPUMGetHyperCtxCore(PVMCPU pVCpu);
355VMMDECL(PCPUMCTX) CPUMQueryGuestCtxPtr(PVMCPU pVCpu);
356VMMDECL(PCCPUMCTXCORE) CPUMGetGuestCtxCore(PVMCPU pVCpu);
357VMMDECL(void) CPUMSetGuestCtxCore(PVMCPU pVCpu, PCCPUMCTXCORE pCtxCore);
358VMMR3DECL(int) CPUMR3RawEnter(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore);
359VMMR3DECL(int) CPUMR3RawLeave(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, int rc);
360VMMDECL(uint32_t) CPUMRawGetEFlags(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore);
361VMMDECL(void) CPUMRawSetEFlags(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, uint32_t eflags);
362VMMDECL(int) CPUMHandleLazyFPU(PVMCPU pVCpu);
363
364/** @name Changed flags
365 * These flags are used to keep track of which important register that
366 * have been changed since last they were reset. The only one allowed
367 * to clear them is REM!
368 * @{
369 */
370#define CPUM_CHANGED_FPU_REM RT_BIT(0)
371#define CPUM_CHANGED_CR0 RT_BIT(1)
372#define CPUM_CHANGED_CR4 RT_BIT(2)
373#define CPUM_CHANGED_GLOBAL_TLB_FLUSH RT_BIT(3)
374#define CPUM_CHANGED_CR3 RT_BIT(4)
375#define CPUM_CHANGED_GDTR RT_BIT(5)
376#define CPUM_CHANGED_IDTR RT_BIT(6)
377#define CPUM_CHANGED_LDTR RT_BIT(7)
378#define CPUM_CHANGED_TR RT_BIT(8)
379#define CPUM_CHANGED_SYSENTER_MSR RT_BIT(9)
380#define CPUM_CHANGED_HIDDEN_SEL_REGS RT_BIT(10)
381#define CPUM_CHANGED_CPUID RT_BIT(11)
382/** All except CPUM_CHANGED_HIDDEN_SEL_REGS_INVALID. */
383#define CPUM_CHANGED_ALL ( CPUM_CHANGED_FPU_REM \
384 | CPUM_CHANGED_CR0 \
385 | CPUM_CHANGED_GLOBAL_TLB_FLUSH \
386 | CPUM_CHANGED_CR3 \
387 | CPUM_CHANGED_CR4 \
388 | CPUM_CHANGED_GDTR \
389 | CPUM_CHANGED_IDTR \
390 | CPUM_CHANGED_LDTR \
391 | CPUM_CHANGED_TR \
392 | CPUM_CHANGED_SYSENTER_MSR \
393 | CPUM_CHANGED_HIDDEN_SEL_REGS \
394 | CPUM_CHANGED_CPUID )
395/** This one is used by raw-mode to indicate that the hidden register
396 * information is not longer reliable and have to be re-determined.
397 *
398 * @remarks This must not be part of CPUM_CHANGED_ALL! */
399#define CPUM_CHANGED_HIDDEN_SEL_REGS_INVALID RT_BIT(12)
400/** @} */
401
402VMMDECL(void) CPUMSetChangedFlags(PVMCPU pVCpu, uint32_t fChangedFlags);
403VMMR3DECL(uint32_t) CPUMR3RemEnter(PVMCPU pVCpu, uint32_t *puCpl);
404VMMR3DECL(void) CPUMR3RemLeave(PVMCPU pVCpu, bool fNoOutOfSyncSels);
405VMMDECL(bool) CPUMSupportsFXSR(PVM pVM);
406VMMDECL(bool) CPUMIsHostUsingSysEnter(PVM pVM);
407VMMDECL(bool) CPUMIsHostUsingSysCall(PVM pVM);
408VMMDECL(bool) CPUMIsGuestFPUStateActive(PVMCPU pVCPU);
409VMMDECL(void) CPUMDeactivateGuestFPUState(PVMCPU pVCpu);
410VMMDECL(bool) CPUMIsGuestDebugStateActive(PVMCPU pVCpu);
411VMMDECL(void) CPUMDeactivateGuestDebugState(PVMCPU pVCpu);
412VMMDECL(bool) CPUMIsHyperDebugStateActive(PVMCPU pVCpu);
413VMMDECL(void) CPUMDeactivateHyperDebugState(PVMCPU pVCpu);
414VMMDECL(uint32_t) CPUMGetGuestCPL(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore);
415VMMDECL(bool) CPUMAreHiddenSelRegsValid(PVMCPU pVCpu);
416VMMDECL(CPUMMODE) CPUMGetGuestMode(PVMCPU pVCpu);
417
418
419#ifdef IN_RING3
420/** @defgroup grp_cpum_r3 The CPU Monitor(/Manager) API
421 * @ingroup grp_cpum
422 * @{
423 */
424
425VMMR3DECL(int) CPUMR3Init(PVM pVM);
426VMMR3DECL(void) CPUMR3Relocate(PVM pVM);
427VMMR3DECL(int) CPUMR3Term(PVM pVM);
428VMMR3DECL(void) CPUMR3Reset(PVM pVM);
429VMMR3DECL(void) CPUMR3ResetCpu(PVMCPU pVCpu);
430VMMDECL(bool) CPUMR3IsStateRestorePending(PVM pVM);
431VMMR3DECL(void) CPUMR3SetHWVirtEx(PVM pVM, bool fHWVirtExEnabled);
432# ifdef DEBUG
433VMMR3DECL(void) CPUMR3SaveEntryCtx(PVM pVM);
434# endif
435VMMR3DECL(int) CPUMR3SetCR4Feature(PVM pVM, RTHCUINTREG fOr, RTHCUINTREG fAnd);
436VMMR3DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdStdRCPtr(PVM pVM);
437VMMR3DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdExtRCPtr(PVM pVM);
438VMMR3DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdCentaurRCPtr(PVM pVM);
439VMMR3DECL(RCPTRTYPE(PCCPUMCPUID)) CPUMR3GetGuestCpuIdDefRCPtr(PVM pVM);
440
441/** @} */
442#endif /* IN_RING3 */
443
444#ifdef IN_RC
445/** @defgroup grp_cpum_gc The CPU Monitor(/Manager) API
446 * @ingroup grp_cpum
447 * @{
448 */
449
450/**
451 * Calls a guest trap/interrupt handler directly
452 *
453 * Assumes a trap stack frame has already been setup on the guest's stack!
454 * This function does not return!
455 *
456 * @param pRegFrame Original trap/interrupt context
457 * @param selCS Code selector of handler
458 * @param pHandler GC virtual address of handler
459 * @param eflags Callee's EFLAGS
460 * @param selSS Stack selector for handler
461 * @param pEsp Stack address for handler
462 */
463DECLASM(void) CPUMGCCallGuestTrapHandler(PCPUMCTXCORE pRegFrame, uint32_t selCS, RTRCPTR pHandler,
464 uint32_t eflags, uint32_t selSS, RTRCPTR pEsp);
465
466/**
467 * Call guest V86 code directly.
468 *
469 * This function does not return!
470 *
471 * @param pRegFrame Original trap/interrupt context
472 */
473DECLASM(void) CPUMGCCallV86Code(PCPUMCTXCORE pRegFrame);
474
475/** @} */
476#endif /* IN_RC */
477
478#ifdef IN_RING0
479/** @defgroup grp_cpum_r0 The CPU Monitor(/Manager) API
480 * @ingroup grp_cpum
481 * @{
482 */
483VMMR0DECL(int) CPUMR0ModuleInit(void);
484VMMR0DECL(int) CPUMR0ModuleTerm(void);
485VMMR0DECL(int) CPUMR0Init(PVM pVM);
486VMMR0DECL(int) CPUMR0LoadGuestFPU(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
487VMMR0DECL(int) CPUMR0SaveGuestFPU(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx);
488VMMR0DECL(int) CPUMR0SaveGuestDebugState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, bool fDR6);
489VMMR0DECL(int) CPUMR0LoadGuestDebugState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, bool fDR6);
490VMMR0DECL(int) CPUMR0LoadHostDebugState(PVM pVM, PVMCPU pVCpu);
491VMMR0DECL(int) CPUMR0SaveHostDebugState(PVM pVM, PVMCPU pVCpu);
492VMMR0DECL(int) CPUMR0LoadHyperDebugState(PVM pVM, PVMCPU pVCpu, PCPUMCTX pCtx, bool fDR6);
493#ifdef VBOX_WITH_VMMR0_DISABLE_LAPIC_NMI
494VMMR0DECL(void) CPUMR0SetLApic(PVM pVM, RTCPUID idHostCpu);
495#endif
496
497/** @} */
498#endif /* IN_RING0 */
499
500/** @} */
501RT_C_DECLS_END
502
503
504#endif
505
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