4 #include <geekos/ktypes.h>
7 /* 16 bit guest state */
8 #define VMCS_GUEST_ES_SELECTOR 0x00000800
9 #define VMCS_GUEST_CS_SELECTOR 0x00000802
10 #define VMCS_GUEST_SS_SELECTOR 0x00000804
11 #define VMCS_GUEST_DS_SELECTOR 0x00000806
12 #define VMCS_GUEST_FS_SELECTOR 0x00000808
13 #define VMCS_GUEST_GS_SELECTOR 0x0000080A
14 #define VMCS_GUEST_LDTR_SELECTOR 0x0000080C
15 #define VMCS_GUEST_TR_SELECTOR 0x0000080E
17 /* 16 bit host state */
18 #define VMCS_HOST_ES_SELECTOR 0x00000C00
19 #define VMCS_HOST_CS_SELECTOR 0x00000C02
20 #define VMCS_HOST_SS_SELECTOR 0x00000C04
21 #define VMCS_HOST_DS_SELECTOR 0x00000C06
22 #define VMCS_HOST_FS_SELECTOR 0x00000C08
23 #define VMCS_HOST_GS_SELECTOR 0x00000C0A
24 #define VMCS_HOST_TR_SELECTOR 0x00000C0C
26 /* 64 bit control fields */
27 #define IO_BITMAP_A_ADDR 0x00002000
28 #define IO_BITMAP_A_ADDR_HIGH 0x00002001
29 #define IO_BITMAP_B_ADDR 0x00002002
30 #define IO_BITMAP_B_ADDR_HIGH 0x00002003
31 // Only with "Use MSR Bitmaps" enabled
32 #define MSR_BITMAPS 0x00002004
33 #define MSR_BITMAPS_HIGH 0x00002005
35 #define VM_EXIT_MSR_STORE_ADDR 0x00002006
36 #define VM_EXIT_MSR_STORE_ADDR_HIGH 0x00002007
37 #define VM_EXIT_MSR_LOAD_ADDR 0x00002008
38 #define VM_EXIT_MSR_LOAD_ADDR_HIGH 0x00002009
39 #define VM_ENTRY_MSR_LOAD_ADDR 0x0000200A
40 #define VM_ENTRY_MSR_LOAD_ADDR_HIGH 0x0000200B
41 #define VMCS_EXEC_PTR 0x0000200C
42 #define VMCS_EXEC_PTR_HIGH 0x0000200D
43 #define TSC_OFFSET 0x00002010
44 #define TSC_OFFSET_HIGH 0x00002011
45 // Only with "Use TPR Shadow" enabled
46 #define VIRT_APIC_PAGE_ADDR 0x00002012
47 #define VIRT_APIC_PAGE_ADDR_HIGH 0x00002013
51 /* 64 bit guest state fields */
52 #define VMCS_LINK_PTR 0x00002800
53 #define VMCS_LINK_PTR_HIGH 0x00002801
54 #define GUEST_IA32_DEBUGCTL 0x00002802
55 #define GUEST_IA32_DEBUGCTL_HIGH 0x00002803
58 /* 32 bit control fields */
59 #define PIN_VM_EXEC_CTRLS 0x00004000
60 #define PROC_VM_EXEC_CTRLS 0x00004002
61 #define EXCEPTION_BITMAP 0x00004004
62 #define PAGE_FAULT_ERROR_MASK 0x00004006
63 #define PAGE_FAULT_ERROR_MATCH 0x00004008
64 #define CR3_TARGET_COUNT 0x0000400A
65 #define VM_EXIT_CTRLS 0x0000400C
66 #define VM_EXIT_MSR_STORE_COUNT 0x0000400E
67 #define VM_EXIT_MSR_LOAD_COUNT 0x00004010
68 #define VM_ENTRY_CTRLS 0x00004012
69 #define VM_ENTRY_MSR_LOAD_COUNT 0x00004014
70 #define VM_ENTRY_INT_INFO_FIELD 0x00004016
71 #define VM_ENTRY_EXCEPTION_ERROR 0x00004018
72 #define VM_ENTRY_INSTR_LENGTH 0x0000401A
73 // Only with "Use TPR Shadow" Enabled
74 #define TPR_THRESHOLD 0x0000401C
78 /* 32 bit Read Only data fields */
79 #define VM_INSTR_ERROR 0x00004400
80 #define EXIT_REASON 0x00004402
81 #define VM_EXIT_INT_INFO 0x00004404
82 #define VM_EXIT_INT_ERROR 0x00004406
83 #define IDT_VECTOR_INFO 0x00004408
84 #define IDT_VECTOR_ERROR 0x0000440A
85 #define VM_EXIT_INSTR_LENGTH 0x0000440C
86 #define VMX_INSTR_INFO 0x0000440E
88 /* 32 bit Guest state fields */
89 #define GUEST_ES_LIMIT 0x00004800
90 #define GUEST_CS_LIMIT 0x00004802
91 #define GUEST_SS_LIMIT 0x00004804
92 #define GUEST_DS_LIMIT 0x00004806
93 #define GUEST_FS_LIMIT 0x00004808
94 #define GUEST_GS_LIMIT 0x0000480A
95 #define GUEST_LDTR_LIMIT 0x0000480C
96 #define GUEST_TR_LIMIT 0x0000480E
97 #define GUEST_GDTR_LIMIT 0x00004810
98 #define GUEST_IDTR_LIMIT 0x00004812
99 #define GUEST_ES_ACCESS 0x00004814
100 #define GUEST_CS_ACCESS 0x00004816
101 #define GUEST_SS_ACCESS 0x00004818
102 #define GUEST_DS_ACCESS 0x0000481A
103 #define GUEST_FS_ACCESS 0x0000481C
104 #define GUEST_GS_ACCESS 0x0000481E
105 #define GUEST_LDTR_ACCESS 0x00004820
106 #define GUEST_TR_ACCESS 0x00004822
107 #define GUEST_INT_STATE 0x00004824
108 #define GUEST_ACTIVITY_STATE 0x00004826
109 #define GUEST_SMBASE 0x00004828
110 #define GUEST_IA32_SYSENTER_CS 0x0000482A
113 /* 32 bit host state field */
114 #define HOST_IA32_SYSENTER_CS 0x00004C00
116 /* Natural Width Control Fields */
117 #define CR0_GUEST_HOST_MASK 0x00006000
118 #define CR4_GUEST_HOST_MASK 0x00006002
119 #define CR0_READ_SHADOW 0x00006004
120 #define CR4_READ_SHADOW 0x00006006
121 #define CR3_TARGET_VALUE_0 0x00006008
122 #define CR3_TARGET_VALUE_1 0x0000600A
123 #define CR3_TARGET_VALUE_2 0x0000600C
124 #define CR3_TARGET_VALUE_3 0x0000600E
127 /* Natural Width Read Only Fields */
128 #define EXIT_QUALIFICATION 0x00006400
129 #define IO_RCX 0x00006402
130 #define IO_RSI 0x00006404
131 #define IO_RDI 0x00006406
132 #define IO_RIP 0x00006408
133 #define GUEST_LINEAR_ADDR 0x0000640A
135 /* Natural Width Guest State Fields */
136 #define GUEST_CR0 0x00006800
137 #define GUEST_CR3 0x00006802
138 #define GUEST_CR4 0x00006804
139 #define GUEST_ES_BASE 0x00006806
140 #define GUEST_CS_BASE 0x00006808
141 #define GUEST_SS_BASE 0x0000680A
142 #define GUEST_DS_BASE 0x0000680C
143 #define GUEST_FS_BASE 0x0000680E
144 #define GUEST_GS_BASE 0x00006810
145 #define GUEST_LDTR_BASE 0x00006812
146 #define GUEST_TR_BASE 0x00006814
147 #define GUEST_GDTR_BASE 0x00006816
148 #define GUEST_IDTR_BASE 0x00006818
149 #define GUEST_DR7 0x0000681A
150 #define GUEST_RSP 0x0000681C
151 #define GUEST_RIP 0x0000681E
152 #define GUEST_RFLAGS 0x00006820
153 #define GUEST_PENDING_DEBUG_EXCS 0x00006822
154 #define GUEST_IA32_SYSENTER_ESP 0x00006824
155 #define GUEST_IA32_SYSENTER_EIP 0x00006826
158 /* Natural Width Host State Fields */
159 #define HOST_CR0 0x00006C00
160 #define HOST_CR3 0x00006C02
161 #define HOST_CR4 0x00006C04
162 #define HOST_FS_BASE 0x00006C06
163 #define HOST_GS_BASE 0x00006C08
164 #define HOST_TR_BASE 0x00006C0A
165 #define HOST_GDTR_BASE 0x00006C0C
166 #define HOST_IDTR_BASE 0x00006C0E
167 #define HOST_IA32_SYSENTER_ESP 0x00006C10
168 #define HOST_IA32_SYSENTER_EIP 0x00006C12
169 #define HOST_RSP 0x00006C14
170 #define HOST_RIP 0x00006C16
172 /* Pin Based VM Execution Controls */
173 /* INTEL MANUAL: 20-10 vol 3B */
174 #define EXTERNAL_INTERRUPT_EXITING 0x00000001
175 #define NMI_EXITING 0x00000008
176 #define VIRTUAL_NMIS 0x00000020
179 /* Processor Based VM Execution Controls */
180 /* INTEL MANUAL: 20-11 vol. 3B */
181 #define INTERRUPT_WINDOWS_EXIT 0x00000004
182 #define USE_TSC_OFFSETTING 0x00000008
183 #define HLT_EXITING 0x00000080
184 #define INVLPG_EXITING 0x00000200
185 #define MWAIT_EXITING 0x00000400
186 #define RDPMC_EXITING 0x00000800
187 #define RDTSC_EXITING 0x00001000
188 #define CR8_LOAD_EXITING 0x00080000
189 #define CR8_STORE_EXITING 0x00100000
190 #define USE_TPR_SHADOW 0x00200000
191 #define NMI_WINDOW_EXITING 0x00400000
192 #define MOVDR_EXITING 0x00800000
193 #define UNCONDITION_IO_EXITING 0x01000000
194 #define USE_IO_BITMAPS 0x02000000
195 #define USE_MSR_BITMAPS 0x10000000
196 #define MONITOR_EXITING 0x20000000
197 #define PAUSE_EXITING 0x40000000
199 /* VM-Exit Controls */
200 /* INTEL MANUAL: 20-16 vol. 3B */
201 #define HOST_ADDR_SPACE_SIZE 0x00000200
202 #define ACK_IRQ_ON_EXIT 0x00008000
205 #define VM_EXIT_REASON_INFO_EXCEPTION_OR_NMI 0
206 #define VM_EXIT_REASON_EXTERNAL_INTR 1
207 #define VM_EXIT_REASON_TRIPLE_FAULT 2
208 #define VM_EXIT_REASON_INIT_SIGNAL 3
209 #define VM_EXIT_REASON_STARTUP_IPI 4
210 #define VM_EXIT_REASON_IO_SMI 5
211 #define VM_EXIT_REASON_OTHER_SMI 6
212 #define VM_EXIT_REASON_INTR_WINDOW 7
213 #define VM_EXIT_REASON_NMI_WINDOW 8
214 #define VM_EXIT_REASON_TASK_SWITCH 9
215 #define VM_EXIT_REASON_CPUID 10
216 #define VM_EXIT_REASON_HLT 12
217 #define VM_EXIT_REASON_INVD 13
218 #define VM_EXIT_REASON_INVLPG 14
219 #define VM_EXIT_REASON_RDPMC 15
220 #define VM_EXIT_REASON_RDTSC 16
221 #define VM_EXIT_REASON_RSM 17
222 #define VM_EXIT_REASON_VMCALL 18
223 #define VM_EXIT_REASON_VMCLEAR 19
224 #define VM_EXIT_REASON_VMLAUNCH 20
225 #define VM_EXIT_REASON_VMPTRLD 21
226 #define VM_EXIT_REASON_VMPTRST 22
227 #define VM_EXIT_REASON_VMREAD 23
228 #define VM_EXIT_REASON_VMRESUME 24
229 #define VM_EXIT_REASON_VMWRITE 25
230 #define VM_EXIT_REASON_VMXOFF 26
231 #define VM_EXIT_REASON_VMXON 27
232 #define VM_EXIT_REASON_CR_REG_ACCESSES 28
233 #define VM_EXIT_REASON_MOV_DR 29
234 #define VM_EXIT_REASON_IO_INSTR 30
235 #define VM_EXIT_REASON_RDMSR 31
236 #define VM_EXIT_REASON_WRMSR 32
237 #define VM_EXIT_REASON_ENTRY_FAIL_INVALID_GUEST_STATE 33
238 #define VM_EXIT_REASON_ENTRY_FAIL_MSR_LOAD 34
239 #define VM_EXIT_REASON_MWAIT 36
240 #define VM_EXIT_REASON_MONITOR 39
241 #define VM_EXIT_REASON_PAUSE 40
242 #define VM_EXIT_REASON_ENTRY_FAILURE_MACHINE_CHECK 41
243 #define VM_EXIT_REASON_TPR_BELOW_THRESHOLD 43
246 extern char *exception_names[];
247 extern char *exception_type_names[];
258 #define PACKED __attribute__((packed))
263 /* VMCS Exit QUALIFICATIONs */
264 struct VMExitIOQual {
265 uint_t accessSize : 3 PACKED; // (0: 1 Byte ;; 1: 2 Bytes ;; 3: 4 Bytes)
266 uint_t dir : 1 PACKED; // (0: Out ;; 1: In)
267 uint_t string : 1 PACKED; // (0: not string ;; 1: string)
268 uint_t REP : 1 PACKED; // (0: not REP ;; 1: REP)
269 uint_t opEnc : 1 PACKED; // (0: DX ;; 1: immediate)
270 uint_t rsvd : 9 PACKED; // Set to 0
271 uint_t port : 16 PACKED; // IO Port Number
276 struct VMExitDBGQual {
277 uint_t B0 : 1 PACKED; // Breakpoint 0 condition met
278 uint_t B1 : 1 PACKED; // Breakpoint 1 condition met
279 uint_t B2 : 1 PACKED; // Breakpoint 2 condition met
280 uint_t B3 : 1 PACKED; // Breakpoint 3 condition met
281 uint_t rsvd : 9 PACKED; // reserved to 0
282 uint_t BD : 1 PACKED; // detected DBG reg access
283 uint_t BS : 1 PACKED; // cause either single instr or taken branch
287 struct VMExitTSQual {
288 uint_t selector : 16 PACKED; // selector of destination TSS
289 uint_t rsvd : 14 PACKED; // reserved to 0
290 uint_t src : 2 PACKED; // (0: CALL ; 1: IRET ; 2: JMP ; 3: Task gate in IDT)
293 struct VMExitCRQual {
294 uint_t crID : 4 PACKED; // cr number (0 for CLTS and LMSW) (bit 3 always 0, on 32bit)
295 uint_t accessType : 2 PACKED; // (0: MOV to CR ; 1: MOV from CR ; 2: CLTS ; 3: LMSW)
296 uint_t lmswOpType : 1 PACKED; // (0: register ; 1: memory)
297 uint_t rsvd1 : 1 PACKED; // reserved to 0
298 uint_t gpr : 4 PACKED; // (0:RAX+[CLTS/LMSW], 1:RCX, 2:RDX, 3:RBX, 4:RSP, 5:RBP, 6:RSI, 6:RDI, 8-15:64bit regs)
299 uint_t rsvd2 : 4 PACKED; // reserved to 0
300 uint_t lmswSrc : 16 PACKED; // src data for lmsw
303 struct VMExitMovDRQual {
304 uint_t regID : 3 PACKED; // debug register number
305 uint_t rsvd1 : 1 PACKED; // reserved to 0
306 uint_t dir : 1 PACKED; // (0: MOV to DR , 1: MOV from DR)
307 uint_t rsvd2 : 3 PACKED; // reserved to 0
308 uint_t gpr : 4 PACKED; // (0:RAX, 1:RCX, 2:RDX, 3:RBX, 4:RSP, 5:RBP, 6:RSI, 6:RDI, 8-15:64bit regs)
311 /* End Exit Qualifications */
313 /* Exit Vector Info */
314 struct VMExitIntInfo {
315 uint_t nr : 8 PACKED; // IRQ number, exception vector, NMI = 2
316 uint_t type : 3 PACKED; // (0: ext. IRQ , 2: NMI , 3: hw exception , 6: sw exception
317 uint_t errorCode : 1 PACKED; // 1: error Code present
318 uint_t iret : 1 PACKED; // something to do with NMIs and IRETs (Intel 3B, sec. 23.2.2)
319 uint_t rsvd : 18 PACKED; // always 0
320 uint_t valid : 1 PACKED; // always 1 if valid
326 /* End Exit Vector Info */
331 /* Segment Selector Access Rights (32 bits) */
332 /* INTEL Manual: 20-4 vol 3B */
336 uint_t descType : 1 PACKED;
337 uint_t dpl : 2 PACKED;
338 uint_t present : 1 PACKED;
339 uchar_t rsvd1 PACKED;
340 uint_t avail : 1 PACKED ;
341 uint_t L : 1 PACKED ; // CS only (64 bit active), reserved otherwise
342 uint_t DB : 1 PACKED ;
343 uint_t granularity : 1 PACKED ;
344 uint_t unusable : 1 PACKED ;
345 uint_t rsvd2 : 15 PACKED ;
353 uint_t baseAddr ; // should be 64 bits?
355 union SegAccess access ;
361 struct VMCSGuestStateArea {
362 /* (1) Guest State Area */
363 /* (1.1) Guest Register State */
364 uint_t cr0 ; // should be 64 bits?
365 uint_t cr3 ; // should be 64 bits?
366 uint_t cr4 ; // should be 64 bits?
367 uint_t dr7 ; // should be 64 bits?
368 uint_t rsp ; // should be 64 bits?
369 uint_t rip ; // should be 64 bits?
370 uint_t rflags ; // should be 64 bits?
373 struct VMCSSegment cs ;
374 struct VMCSSegment ss ;
375 struct VMCSSegment ds ;
376 struct VMCSSegment es ;
377 struct VMCSSegment fs ;
378 struct VMCSSegment gs ;
379 struct VMCSSegment ldtr ;
380 struct VMCSSegment tr ;
382 struct VMCSSegment gdtr ;
383 struct VMCSSegment idtr ;
388 ullong_t sysenter_esp ; // should be 64 bits?
389 ullong_t sysenter_eip ; // should be 64 bits?
393 /* (1.2) Guest Non-register State */
394 uint_t activity ; /* (0=Active, 1=HLT, 2=Shutdown, 3=Wait-for-SIPI)
395 (listed in MSR: IA32_VMX_MISC) */
397 uint_t interrupt_state ; // see Table 20-3 (page 20-6) INTEL MANUAL 3B
399 ullong_t pending_dbg_exceptions ; // should be 64 bits?
400 /* Table 20-4 page 20-8 INTEL MANUAL 3B */
402 ullong_t vmcs_link ; // should be set to 0xffffffff_ffffffff
406 int CopyOutVMCSGuestStateArea(struct VMCSGuestStateArea *p);
407 int CopyInVMCSGuestStateArea(struct VMCSGuestStateArea *p);
411 struct VMCSHostStateArea {
412 /* (2) Host State Area */
413 ullong_t cr0 ; // Should be 64 bits?
414 ullong_t cr3 ; // should be 64 bits?
415 ullong_t cr4 ; // should be 64 bits?
416 ullong_t rsp ; // should be 64 bits?
417 ullong_t rip ; // should be 64 bits?
419 ushort_t csSelector ;
420 ushort_t ssSelector ;
421 ushort_t dsSelector ;
422 ushort_t esSelector ;
423 ushort_t fsSelector ;
424 ushort_t gsSelector ;
425 ushort_t trSelector ;
427 ullong_t fsBaseAddr ; // Should be 64 bits?
428 ullong_t gsBaseAddr ; // Should be 64 bits?
429 ullong_t trBaseAddr ; // Should be 64 bits?
430 ullong_t gdtrBaseAddr ; // Should be 64 bits?
431 ullong_t idtrBaseAddr ; // Should be 64 bits?
436 ullong_t sysenter_esp ; // Should be 64 bits?
437 ullong_t sysenter_eip ; // Should be 64 bits?
441 int CopyOutVMCSHostStateArea(struct VMCSHostStateArea *p);
442 int CopyInVMCSHostStateArea(struct VMCSHostStateArea *p);
445 struct VMCSExecCtrlFields {
446 uint_t pinCtrls ; // Table 20-5, Vol 3B. (pg. 20-10)
447 uint_t procCtrls ; // Table 20-6, Vol 3B. (pg. 20-11)
449 uint_t pageFaultErrorMask ;
450 uint_t pageFaultErrorMatch ;
454 uint_t cr0GuestHostMask ; // Should be 64 bits?
455 uint_t cr0ReadShadow ; // Should be 64 bits?
456 uint_t cr4GuestHostMask ; // Should be 64 bits?
457 uint_t cr4ReadShadow ; // Should be 64 bits?
458 uint_t cr3TargetValue0 ; // should be 64 bits?
459 uint_t cr3TargetValue1 ; // should be 64 bits?
460 uint_t cr3TargetValue2 ; // should be 64 bits?
461 uint_t cr3TargetValue3 ; // should be 64 bits?
462 uint_t cr3TargetCount ;
466 /* these fields enabled if "use TPR shadow"==1 */
467 /* may not need them */
468 ullong_t virtApicPageAddr ;
469 // uint_t virtApicPageAddrHigh
470 uint_t tprThreshold ;
473 ullong_t MSRBitmapsBaseAddr;
476 ullong_t vmcsExecPtr ;
480 int CopyOutVMCSExecCtrlFields(struct VMCSExecCtrlFields *p);
481 int CopyInVMCSExecCtrlFields(struct VMCSExecCtrlFields *p);
486 struct VMCSExitCtrlFields {
487 uint_t exitCtrls ; // Table 20-7, Vol. 3B (pg. 20-16)
488 uint_t msrStoreCount ;
489 ullong_t msrStoreAddr ;
490 uint_t msrLoadCount ;
491 ullong_t msrLoadAddr ;
494 int CopyOutVMCSExitCtrlFields(struct VMCSExitCtrlFields *p);
495 int CopyInVMCSExitCtrlFields(struct VMCSExitCtrlFields *p);
499 struct VMCSEntryCtrlFields {
500 uint_t entryCtrls ; // Table 20-9, Vol. 3B (pg. 20-18)
501 uint_t msrLoadCount ;
502 ullong_t msrLoadAddr ;
503 uint_t intInfo ; // Table 20-10, Vol. 3B (pg. 20-19)
504 uint_t exceptionErrorCode ;
509 int CopyOutVMCSEntryCtrlFields(struct VMCSEntryCtrlFields *p);
510 int CopyInVMCSEntryCtrlFields(struct VMCSEntryCtrlFields *p);
513 struct VMCSExitInfoFields {
514 uint_t reason; // Table 20-11, Vol. 3B (pg. 20-20)
515 uint_t qualification ; // Should be 64 bits?
517 uint_t intErrorCode ;
518 uint_t idtVectorInfo ;
519 uint_t idtVectorErrorCode ;
521 ullong_t guestLinearAddr ; // Should be 64 bits?
523 ullong_t ioRCX ; // Should be 64 bits?
524 ullong_t ioRSI ; // Should be 64 bits?
525 ullong_t ioRDI ; // Should be 64 bits?
526 ullong_t ioRIP ; // Should be 64 bits?
527 uint_t instrErrorField ;
532 int CopyOutVMCSExitInfoFields(struct VMCSExitInfoFields *p);
539 uint_t exitCtrlFlags;
540 struct VMCSGuestStateArea guestStateArea ;
541 struct VMCSHostStateArea hostStateArea ;
542 struct VMCSExecCtrlFields execCtrlFields ;
543 struct VMCSExitCtrlFields exitCtrlFields ;
544 struct VMCSEntryCtrlFields entryCtrlFields ;
545 struct VMCSExitInfoFields exitInfoFields ;
549 int CopyOutVMCSData(struct VMCSData *p);
550 int CopyInVMCSData(struct VMCSData *p);
563 void PrintTrace_VMX_Regs(struct VMXRegs *regs);
564 void PrintTrace_VMCSData(struct VMCSData * vmcs);
565 void PrintTrace_VMCSGuestStateArea(struct VMCSGuestStateArea * guestState);
566 void PrintTrace_VMCSHostStateArea(struct VMCSHostStateArea * hostState);
567 void PrintTrace_VMCSExecCtrlFields(struct VMCSExecCtrlFields * execCtrls);
568 void PrintTrace_VMCSExitCtrlFields(struct VMCSExitCtrlFields * exitCtrls);
569 void PrintTrace_VMCSEntryCtrlFields(struct VMCSEntryCtrlFields * entryCtrls);
570 void PrintTrace_VMCSExitInfoFields(struct VMCSExitInfoFields * exitInfo);
571 void PrintTrace_VMCSSegment(char * segname, struct VMCSSegment * seg, int abbr);
574 extern uint_t VMCS_WRITE();
575 extern uint_t VMCS_READ();
577 //uint_t VMCSRead(uint_t tag, void * val);
580 #include <geekos/vmcs_gen.h>