2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Jack Lange <jarusl@cs.northwestern.edu>
11 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
12 * All rights reserved.
14 * Author: Jack Lange <jarusl@cs.northwestern.edu>
16 * This is free software. You are permitted to use,
17 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
21 #include <palacios/svm_handler.h>
22 #include <palacios/vmm.h>
23 #include <palacios/vm_guest_mem.h>
24 #include <palacios/vmm_decoder.h>
25 #include <palacios/vmm_ctrl_regs.h>
26 #include <palacios/svm_io.h>
27 #include <palacios/vmm_halt.h>
28 #include <palacios/svm_pause.h>
29 #include <palacios/svm_wbinvd.h>
30 #include <palacios/vmm_intr.h>
31 #include <palacios/vmm_emulator.h>
32 #include <palacios/svm_msr.h>
33 #include <palacios/vmm_hypercall.h>
34 #include <palacios/vmm_cpuid.h>
35 #include <palacios/vmm_direct_paging.h>
38 #ifdef CONFIG_TELEMETRY
39 #include <palacios/vmm_telemetry.h>
43 int v3_handle_svm_exit(struct guest_info * info, addr_t exit_code, addr_t exit_info1, addr_t exit_info2) {
45 #ifdef CONFIG_TELEMETRY
46 if (info->vm_info->enable_telemetry) {
47 v3_telemetry_start_exit(info);
52 //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
56 struct svm_io_info * io_info = (struct svm_io_info *)&(exit_info1);
58 if (io_info->type == 0) {
61 if (v3_handle_svm_io_outs(info, io_info) == -1 ) {
65 if (v3_handle_svm_io_out(info, io_info) == -1) {
73 if (v3_handle_svm_io_ins(info, io_info) == -1) {
77 if (v3_handle_svm_io_in(info, io_info) == -1) {
83 info->rip = exit_info2;
89 if (exit_info1 == 0) {
90 if (v3_handle_msr_read(info) == -1) {
93 } else if (exit_info1 == 1) {
94 if (v3_handle_msr_write(info) == -1) {
98 PrintError("Invalid MSR Operation\n");
105 if (v3_handle_cpuid(info) == -1) {
106 PrintError("Error handling CPUID\n");
111 case VMEXIT_CR0_WRITE:
112 #ifdef CONFIG_DEBUG_CTRL_REGS
113 PrintDebug("CR0 Write\n");
115 if (v3_handle_cr0_write(info) == -1) {
119 case VMEXIT_CR0_READ:
120 #ifdef CONFIG_DEBUG_CTRL_REGS
121 PrintDebug("CR0 Read\n");
123 if (v3_handle_cr0_read(info) == -1) {
127 case VMEXIT_CR3_WRITE:
128 #ifdef CONFIG_DEBUG_CTRL_REGS
129 PrintDebug("CR3 Write\n");
131 if (v3_handle_cr3_write(info) == -1) {
136 case VMEXIT_CR3_READ:
137 #ifdef CONFIG_DEBUG_CTRL_REGS
138 PrintDebug("CR3 Read\n");
140 if (v3_handle_cr3_read(info) == -1) {
144 case VMEXIT_CR4_WRITE:
145 #ifdef CONFIG_DEBUG_CTRL_REGS
146 PrintDebug("CR4 Write\n");
148 if (v3_handle_cr4_write(info) == -1) {
152 case VMEXIT_CR4_READ:
153 #ifdef CONFIG_DEBUG_CTRL_REGS
154 PrintDebug("CR4 Read\n");
156 if (v3_handle_cr4_read(info) == -1) {
160 case VMEXIT_EXCP14: {
161 addr_t fault_addr = exit_info2;
162 pf_error_t * error_code = (pf_error_t *)&(exit_info1);
163 #ifdef CONFIG_DEBUG_SHADOW_PAGING
164 PrintDebug("PageFault at %p (error=%d)\n",
165 (void *)fault_addr, *(uint_t *)error_code);
167 if (info->shdw_pg_mode == SHADOW_PAGING) {
168 if (v3_handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
172 PrintError("Page fault in un implemented paging mode\n");
178 addr_t fault_addr = exit_info2;
179 pf_error_t * error_code = (pf_error_t *)&(exit_info1);
181 if (info->shdw_pg_mode == NESTED_PAGING) {
182 if (v3_handle_nested_pagefault(info, fault_addr, *error_code) == -1) {
186 PrintError("Currently unhandled Nested Page Fault\n");
192 if (info->shdw_pg_mode == SHADOW_PAGING) {
193 #ifdef CONFIG_DEBUG_SHADOW_PAGING
194 PrintDebug("Invlpg\n");
196 if (v3_handle_shadow_invlpg(info) == -1) {
206 // VMMCALL is a 3 byte op
207 // We do this early because some hypercalls can change the rip...
210 if (v3_handle_hypercall(info) == -1) {
211 PrintError("Error handling Hypercall\n");
217 // handled by interrupt dispatch earlier
220 // handle_svm_smi(info); // ignored for now
223 #ifdef CONFIG_DEBUG_HALT
224 PrintDebug("Guest halted\n");
226 if (v3_handle_halt(info) == -1) {
231 // PrintDebug("Guest paused\n");
232 if (v3_handle_svm_pause(info) == -1) {
237 #ifdef CONFIG_DEBUG_EMULATOR
238 PrintDebug("WBINVD\n");
240 if (v3_handle_svm_wbinvd(info) == -1) {
249 /* Exits Following this line are NOT HANDLED */
250 /*=======================================================================*/
256 PrintDebug("Unhandled SVM Exit: %s\n", vmexit_code_to_str(exit_code));
258 rip_addr = get_addr_linear(info, info->rip, &(info->segments.cs));
261 PrintError("SVM Returned:(VMCB=%p)\n", (void *)(info->vmm_data));
262 PrintError("RIP: %p\n", (void *)(addr_t)(info->rip));
263 PrintError("RIP Linear: %p\n", (void *)(addr_t)(rip_addr));
265 PrintError("SVM Returned: Exit Code: %p\n", (void *)(addr_t)exit_code);
267 PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(exit_info1));
268 PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(exit_info1)) + 4));
270 PrintError("io_info2 low = 0x%.8x\n", *(uint_t*)&(exit_info2));
271 PrintError("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(exit_info2)) + 4));
274 if (info->shdw_pg_mode == SHADOW_PAGING) {
275 // PrintHostPageTables(info, info->ctrl_regs.cr3);
276 //PrintGuestPageTables(info, info->shdw_pg_state.guest_cr3);
282 // END OF SWITCH (EXIT_CODE)
284 #ifdef CONFIG_TELEMETRY
285 if (info->vm_info->enable_telemetry) {
286 v3_telemetry_end_exit(info, exit_code);
291 if (exit_code == VMEXIT_INTR) {
292 //PrintDebug("INTR ret IP = %x\n", guest_state->rip);
299 static const char VMEXIT_CR0_READ_STR[] = "VMEXIT_CR0_READ";
300 static const char VMEXIT_CR1_READ_STR[] = "VMEXIT_CR1_READ";
301 static const char VMEXIT_CR2_READ_STR[] = "VMEXIT_CR2_READ";
302 static const char VMEXIT_CR3_READ_STR[] = "VMEXIT_CR3_READ";
303 static const char VMEXIT_CR4_READ_STR[] = "VMEXIT_CR4_READ";
304 static const char VMEXIT_CR5_READ_STR[] = "VMEXIT_CR5_READ";
305 static const char VMEXIT_CR6_READ_STR[] = "VMEXIT_CR6_READ";
306 static const char VMEXIT_CR7_READ_STR[] = "VMEXIT_CR7_READ";
307 static const char VMEXIT_CR8_READ_STR[] = "VMEXIT_CR8_READ";
308 static const char VMEXIT_CR9_READ_STR[] = "VMEXIT_CR9_READ";
309 static const char VMEXIT_CR10_READ_STR[] = "VMEXIT_CR10_READ";
310 static const char VMEXIT_CR11_READ_STR[] = "VMEXIT_CR11_READ";
311 static const char VMEXIT_CR12_READ_STR[] = "VMEXIT_CR12_READ";
312 static const char VMEXIT_CR13_READ_STR[] = "VMEXIT_CR13_READ";
313 static const char VMEXIT_CR14_READ_STR[] = "VMEXIT_CR14_READ";
314 static const char VMEXIT_CR15_READ_STR[] = "VMEXIT_CR15_READ";
315 static const char VMEXIT_CR0_WRITE_STR[] = "VMEXIT_CR0_WRITE";
316 static const char VMEXIT_CR1_WRITE_STR[] = "VMEXIT_CR1_WRITE";
317 static const char VMEXIT_CR2_WRITE_STR[] = "VMEXIT_CR2_WRITE";
318 static const char VMEXIT_CR3_WRITE_STR[] = "VMEXIT_CR3_WRITE";
319 static const char VMEXIT_CR4_WRITE_STR[] = "VMEXIT_CR4_WRITE";
320 static const char VMEXIT_CR5_WRITE_STR[] = "VMEXIT_CR5_WRITE";
321 static const char VMEXIT_CR6_WRITE_STR[] = "VMEXIT_CR6_WRITE";
322 static const char VMEXIT_CR7_WRITE_STR[] = "VMEXIT_CR7_WRITE";
323 static const char VMEXIT_CR8_WRITE_STR[] = "VMEXIT_CR8_WRITE";
324 static const char VMEXIT_CR9_WRITE_STR[] = "VMEXIT_CR9_WRITE";
325 static const char VMEXIT_CR10_WRITE_STR[] = "VMEXIT_CR10_WRITE";
326 static const char VMEXIT_CR11_WRITE_STR[] = "VMEXIT_CR11_WRITE";
327 static const char VMEXIT_CR12_WRITE_STR[] = "VMEXIT_CR12_WRITE";
328 static const char VMEXIT_CR13_WRITE_STR[] = "VMEXIT_CR13_WRITE";
329 static const char VMEXIT_CR14_WRITE_STR[] = "VMEXIT_CR14_WRITE";
330 static const char VMEXIT_CR15_WRITE_STR[] = "VMEXIT_CR15_WRITE";
331 static const char VMEXIT_DR0_READ_STR[] = "VMEXIT_DR0_READ";
332 static const char VMEXIT_DR1_READ_STR[] = "VMEXIT_DR1_READ";
333 static const char VMEXIT_DR2_READ_STR[] = "VMEXIT_DR2_READ";
334 static const char VMEXIT_DR3_READ_STR[] = "VMEXIT_DR3_READ";
335 static const char VMEXIT_DR4_READ_STR[] = "VMEXIT_DR4_READ";
336 static const char VMEXIT_DR5_READ_STR[] = "VMEXIT_DR5_READ";
337 static const char VMEXIT_DR6_READ_STR[] = "VMEXIT_DR6_READ";
338 static const char VMEXIT_DR7_READ_STR[] = "VMEXIT_DR7_READ";
339 static const char VMEXIT_DR8_READ_STR[] = "VMEXIT_DR8_READ";
340 static const char VMEXIT_DR9_READ_STR[] = "VMEXIT_DR9_READ";
341 static const char VMEXIT_DR10_READ_STR[] = "VMEXIT_DR10_READ";
342 static const char VMEXIT_DR11_READ_STR[] = "VMEXIT_DR11_READ";
343 static const char VMEXIT_DR12_READ_STR[] = "VMEXIT_DR12_READ";
344 static const char VMEXIT_DR13_READ_STR[] = "VMEXIT_DR13_READ";
345 static const char VMEXIT_DR14_READ_STR[] = "VMEXIT_DR14_READ";
346 static const char VMEXIT_DR15_READ_STR[] = "VMEXIT_DR15_READ";
347 static const char VMEXIT_DR0_WRITE_STR[] = "VMEXIT_DR0_WRITE";
348 static const char VMEXIT_DR1_WRITE_STR[] = "VMEXIT_DR1_WRITE";
349 static const char VMEXIT_DR2_WRITE_STR[] = "VMEXIT_DR2_WRITE";
350 static const char VMEXIT_DR3_WRITE_STR[] = "VMEXIT_DR3_WRITE";
351 static const char VMEXIT_DR4_WRITE_STR[] = "VMEXIT_DR4_WRITE";
352 static const char VMEXIT_DR5_WRITE_STR[] = "VMEXIT_DR5_WRITE";
353 static const char VMEXIT_DR6_WRITE_STR[] = "VMEXIT_DR6_WRITE";
354 static const char VMEXIT_DR7_WRITE_STR[] = "VMEXIT_DR7_WRITE";
355 static const char VMEXIT_DR8_WRITE_STR[] = "VMEXIT_DR8_WRITE";
356 static const char VMEXIT_DR9_WRITE_STR[] = "VMEXIT_DR9_WRITE";
357 static const char VMEXIT_DR10_WRITE_STR[] = "VMEXIT_DR10_WRITE";
358 static const char VMEXIT_DR11_WRITE_STR[] = "VMEXIT_DR11_WRITE";
359 static const char VMEXIT_DR12_WRITE_STR[] = "VMEXIT_DR12_WRITE";
360 static const char VMEXIT_DR13_WRITE_STR[] = "VMEXIT_DR13_WRITE";
361 static const char VMEXIT_DR14_WRITE_STR[] = "VMEXIT_DR14_WRITE";
362 static const char VMEXIT_DR15_WRITE_STR[] = "VMEXIT_DR15_WRITE";
363 static const char VMEXIT_EXCP0_STR[] = "VMEXIT_EXCP0";
364 static const char VMEXIT_EXCP1_STR[] = "VMEXIT_EXCP1";
365 static const char VMEXIT_EXCP2_STR[] = "VMEXIT_EXCP2";
366 static const char VMEXIT_EXCP3_STR[] = "VMEXIT_EXCP3";
367 static const char VMEXIT_EXCP4_STR[] = "VMEXIT_EXCP4";
368 static const char VMEXIT_EXCP5_STR[] = "VMEXIT_EXCP5";
369 static const char VMEXIT_EXCP6_STR[] = "VMEXIT_EXCP6";
370 static const char VMEXIT_EXCP7_STR[] = "VMEXIT_EXCP7";
371 static const char VMEXIT_EXCP8_STR[] = "VMEXIT_EXCP8";
372 static const char VMEXIT_EXCP9_STR[] = "VMEXIT_EXCP9";
373 static const char VMEXIT_EXCP10_STR[] = "VMEXIT_EXCP10";
374 static const char VMEXIT_EXCP11_STR[] = "VMEXIT_EXCP11";
375 static const char VMEXIT_EXCP12_STR[] = "VMEXIT_EXCP12";
376 static const char VMEXIT_EXCP13_STR[] = "VMEXIT_EXCP13";
377 static const char VMEXIT_EXCP14_STR[] = "VMEXIT_EXCP14";
378 static const char VMEXIT_EXCP15_STR[] = "VMEXIT_EXCP15";
379 static const char VMEXIT_EXCP16_STR[] = "VMEXIT_EXCP16";
380 static const char VMEXIT_EXCP17_STR[] = "VMEXIT_EXCP17";
381 static const char VMEXIT_EXCP18_STR[] = "VMEXIT_EXCP18";
382 static const char VMEXIT_EXCP19_STR[] = "VMEXIT_EXCP19";
383 static const char VMEXIT_EXCP20_STR[] = "VMEXIT_EXCP20";
384 static const char VMEXIT_EXCP21_STR[] = "VMEXIT_EXCP21";
385 static const char VMEXIT_EXCP22_STR[] = "VMEXIT_EXCP22";
386 static const char VMEXIT_EXCP23_STR[] = "VMEXIT_EXCP23";
387 static const char VMEXIT_EXCP24_STR[] = "VMEXIT_EXCP24";
388 static const char VMEXIT_EXCP25_STR[] = "VMEXIT_EXCP25";
389 static const char VMEXIT_EXCP26_STR[] = "VMEXIT_EXCP26";
390 static const char VMEXIT_EXCP27_STR[] = "VMEXIT_EXCP27";
391 static const char VMEXIT_EXCP28_STR[] = "VMEXIT_EXCP28";
392 static const char VMEXIT_EXCP29_STR[] = "VMEXIT_EXCP29";
393 static const char VMEXIT_EXCP30_STR[] = "VMEXIT_EXCP30";
394 static const char VMEXIT_EXCP31_STR[] = "VMEXIT_EXCP31";
395 static const char VMEXIT_INTR_STR[] = "VMEXIT_INTR";
396 static const char VMEXIT_NMI_STR[] = "VMEXIT_NMI";
397 static const char VMEXIT_SMI_STR[] = "VMEXIT_SMI";
398 static const char VMEXIT_INIT_STR[] = "VMEXIT_INIT";
399 static const char VMEXIT_VINITR_STR[] = "VMEXIT_VINITR";
400 static const char VMEXIT_CR0_SEL_WRITE_STR[] = "VMEXIT_CR0_SEL_WRITE";
401 static const char VMEXIT_IDTR_READ_STR[] = "VMEXIT_IDTR_READ";
402 static const char VMEXIT_GDTR_READ_STR[] = "VMEXIT_GDTR_READ";
403 static const char VMEXIT_LDTR_READ_STR[] = "VMEXIT_LDTR_READ";
404 static const char VMEXIT_TR_READ_STR[] = "VMEXIT_TR_READ";
405 static const char VMEXIT_IDTR_WRITE_STR[] = "VMEXIT_IDTR_WRITE";
406 static const char VMEXIT_GDTR_WRITE_STR[] = "VMEXIT_GDTR_WRITE";
407 static const char VMEXIT_LDTR_WRITE_STR[] = "VMEXIT_LDTR_WRITE";
408 static const char VMEXIT_TR_WRITE_STR[] = "VMEXIT_TR_WRITE";
409 static const char VMEXIT_RDTSC_STR[] = "VMEXIT_RDTSC";
410 static const char VMEXIT_RDPMC_STR[] = "VMEXIT_RDPMC";
411 static const char VMEXIT_PUSHF_STR[] = "VMEXIT_PUSHF";
412 static const char VMEXIT_POPF_STR[] = "VMEXIT_POPF";
413 static const char VMEXIT_CPUID_STR[] = "VMEXIT_CPUID";
414 static const char VMEXIT_RSM_STR[] = "VMEXIT_RSM";
415 static const char VMEXIT_IRET_STR[] = "VMEXIT_IRET";
416 static const char VMEXIT_SWINT_STR[] = "VMEXIT_SWINT";
417 static const char VMEXIT_INVD_STR[] = "VMEXIT_INVD";
418 static const char VMEXIT_PAUSE_STR[] = "VMEXIT_PAUSE";
419 static const char VMEXIT_HLT_STR[] = "VMEXIT_HLT";
420 static const char VMEXIT_INVLPG_STR[] = "VMEXIT_INVLPG";
421 static const char VMEXIT_INVLPGA_STR[] = "VMEXIT_INVLPGA";
422 static const char VMEXIT_IOIO_STR[] = "VMEXIT_IOIO";
423 static const char VMEXIT_MSR_STR[] = "VMEXIT_MSR";
424 static const char VMEXIT_TASK_SWITCH_STR[] = "VMEXIT_TASK_SWITCH";
425 static const char VMEXIT_FERR_FREEZE_STR[] = "VMEXIT_FERR_FREEZE";
426 static const char VMEXIT_SHUTDOWN_STR[] = "VMEXIT_SHUTDOWN";
427 static const char VMEXIT_VMRUN_STR[] = "VMEXIT_VMRUN";
428 static const char VMEXIT_VMMCALL_STR[] = "VMEXIT_VMMCALL";
429 static const char VMEXIT_VMLOAD_STR[] = "VMEXIT_VMLOAD";
430 static const char VMEXIT_VMSAVE_STR[] = "VMEXIT_VMSAVE";
431 static const char VMEXIT_STGI_STR[] = "VMEXIT_STGI";
432 static const char VMEXIT_CLGI_STR[] = "VMEXIT_CLGI";
433 static const char VMEXIT_SKINIT_STR[] = "VMEXIT_SKINIT";
434 static const char VMEXIT_RDTSCP_STR[] = "VMEXIT_RDTSCP";
435 static const char VMEXIT_ICEBP_STR[] = "VMEXIT_ICEBP";
436 static const char VMEXIT_WBINVD_STR[] = "VMEXIT_WBINVD";
437 static const char VMEXIT_MONITOR_STR[] = "VMEXIT_MONITOR";
438 static const char VMEXIT_MWAIT_STR[] = "VMEXIT_MWAIT";
439 static const char VMEXIT_MWAIT_CONDITIONAL_STR[] = "VMEXIT_MWAIT_CONDITIONAL";
440 static const char VMEXIT_NPF_STR[] = "VMEXIT_NPF";
441 static const char VMEXIT_INVALID_VMCB_STR[] = "VMEXIT_INVALID_VMCB";
445 const char * vmexit_code_to_str(uint_t exit_code) {
447 case VMEXIT_CR0_READ:
448 return VMEXIT_CR0_READ_STR;
449 case VMEXIT_CR1_READ:
450 return VMEXIT_CR1_READ_STR;
451 case VMEXIT_CR2_READ:
452 return VMEXIT_CR2_READ_STR;
453 case VMEXIT_CR3_READ:
454 return VMEXIT_CR3_READ_STR;
455 case VMEXIT_CR4_READ:
456 return VMEXIT_CR4_READ_STR;
457 case VMEXIT_CR5_READ:
458 return VMEXIT_CR5_READ_STR;
459 case VMEXIT_CR6_READ:
460 return VMEXIT_CR6_READ_STR;
461 case VMEXIT_CR7_READ:
462 return VMEXIT_CR7_READ_STR;
463 case VMEXIT_CR8_READ:
464 return VMEXIT_CR8_READ_STR;
465 case VMEXIT_CR9_READ:
466 return VMEXIT_CR9_READ_STR;
467 case VMEXIT_CR10_READ:
468 return VMEXIT_CR10_READ_STR;
469 case VMEXIT_CR11_READ:
470 return VMEXIT_CR11_READ_STR;
471 case VMEXIT_CR12_READ:
472 return VMEXIT_CR12_READ_STR;
473 case VMEXIT_CR13_READ:
474 return VMEXIT_CR13_READ_STR;
475 case VMEXIT_CR14_READ:
476 return VMEXIT_CR14_READ_STR;
477 case VMEXIT_CR15_READ:
478 return VMEXIT_CR15_READ_STR;
479 case VMEXIT_CR0_WRITE:
480 return VMEXIT_CR0_WRITE_STR;
481 case VMEXIT_CR1_WRITE:
482 return VMEXIT_CR1_WRITE_STR;
483 case VMEXIT_CR2_WRITE:
484 return VMEXIT_CR2_WRITE_STR;
485 case VMEXIT_CR3_WRITE:
486 return VMEXIT_CR3_WRITE_STR;
487 case VMEXIT_CR4_WRITE:
488 return VMEXIT_CR4_WRITE_STR;
489 case VMEXIT_CR5_WRITE:
490 return VMEXIT_CR5_WRITE_STR;
491 case VMEXIT_CR6_WRITE:
492 return VMEXIT_CR6_WRITE_STR;
493 case VMEXIT_CR7_WRITE:
494 return VMEXIT_CR7_WRITE_STR;
495 case VMEXIT_CR8_WRITE:
496 return VMEXIT_CR8_WRITE_STR;
497 case VMEXIT_CR9_WRITE:
498 return VMEXIT_CR9_WRITE_STR;
499 case VMEXIT_CR10_WRITE:
500 return VMEXIT_CR10_WRITE_STR;
501 case VMEXIT_CR11_WRITE:
502 return VMEXIT_CR11_WRITE_STR;
503 case VMEXIT_CR12_WRITE:
504 return VMEXIT_CR12_WRITE_STR;
505 case VMEXIT_CR13_WRITE:
506 return VMEXIT_CR13_WRITE_STR;
507 case VMEXIT_CR14_WRITE:
508 return VMEXIT_CR14_WRITE_STR;
509 case VMEXIT_CR15_WRITE:
510 return VMEXIT_CR15_WRITE_STR;
511 case VMEXIT_DR0_READ:
512 return VMEXIT_DR0_READ_STR;
513 case VMEXIT_DR1_READ:
514 return VMEXIT_DR1_READ_STR;
515 case VMEXIT_DR2_READ:
516 return VMEXIT_DR2_READ_STR;
517 case VMEXIT_DR3_READ:
518 return VMEXIT_DR3_READ_STR;
519 case VMEXIT_DR4_READ:
520 return VMEXIT_DR4_READ_STR;
521 case VMEXIT_DR5_READ:
522 return VMEXIT_DR5_READ_STR;
523 case VMEXIT_DR6_READ:
524 return VMEXIT_DR6_READ_STR;
525 case VMEXIT_DR7_READ:
526 return VMEXIT_DR7_READ_STR;
527 case VMEXIT_DR8_READ:
528 return VMEXIT_DR8_READ_STR;
529 case VMEXIT_DR9_READ:
530 return VMEXIT_DR9_READ_STR;
531 case VMEXIT_DR10_READ:
532 return VMEXIT_DR10_READ_STR;
533 case VMEXIT_DR11_READ:
534 return VMEXIT_DR11_READ_STR;
535 case VMEXIT_DR12_READ:
536 return VMEXIT_DR12_READ_STR;
537 case VMEXIT_DR13_READ:
538 return VMEXIT_DR13_READ_STR;
539 case VMEXIT_DR14_READ:
540 return VMEXIT_DR14_READ_STR;
541 case VMEXIT_DR15_READ:
542 return VMEXIT_DR15_READ_STR;
543 case VMEXIT_DR0_WRITE:
544 return VMEXIT_DR0_WRITE_STR;
545 case VMEXIT_DR1_WRITE:
546 return VMEXIT_DR1_WRITE_STR;
547 case VMEXIT_DR2_WRITE:
548 return VMEXIT_DR2_WRITE_STR;
549 case VMEXIT_DR3_WRITE:
550 return VMEXIT_DR3_WRITE_STR;
551 case VMEXIT_DR4_WRITE:
552 return VMEXIT_DR4_WRITE_STR;
553 case VMEXIT_DR5_WRITE:
554 return VMEXIT_DR5_WRITE_STR;
555 case VMEXIT_DR6_WRITE:
556 return VMEXIT_DR6_WRITE_STR;
557 case VMEXIT_DR7_WRITE:
558 return VMEXIT_DR7_WRITE_STR;
559 case VMEXIT_DR8_WRITE:
560 return VMEXIT_DR8_WRITE_STR;
561 case VMEXIT_DR9_WRITE:
562 return VMEXIT_DR9_WRITE_STR;
563 case VMEXIT_DR10_WRITE:
564 return VMEXIT_DR10_WRITE_STR;
565 case VMEXIT_DR11_WRITE:
566 return VMEXIT_DR11_WRITE_STR;
567 case VMEXIT_DR12_WRITE:
568 return VMEXIT_DR12_WRITE_STR;
569 case VMEXIT_DR13_WRITE:
570 return VMEXIT_DR13_WRITE_STR;
571 case VMEXIT_DR14_WRITE:
572 return VMEXIT_DR14_WRITE_STR;
573 case VMEXIT_DR15_WRITE:
574 return VMEXIT_DR15_WRITE_STR;
576 return VMEXIT_EXCP0_STR;
578 return VMEXIT_EXCP1_STR;
580 return VMEXIT_EXCP2_STR;
582 return VMEXIT_EXCP3_STR;
584 return VMEXIT_EXCP4_STR;
586 return VMEXIT_EXCP5_STR;
588 return VMEXIT_EXCP6_STR;
590 return VMEXIT_EXCP7_STR;
592 return VMEXIT_EXCP8_STR;
594 return VMEXIT_EXCP9_STR;
596 return VMEXIT_EXCP10_STR;
598 return VMEXIT_EXCP11_STR;
600 return VMEXIT_EXCP12_STR;
602 return VMEXIT_EXCP13_STR;
604 return VMEXIT_EXCP14_STR;
606 return VMEXIT_EXCP15_STR;
608 return VMEXIT_EXCP16_STR;
610 return VMEXIT_EXCP17_STR;
612 return VMEXIT_EXCP18_STR;
614 return VMEXIT_EXCP19_STR;
616 return VMEXIT_EXCP20_STR;
618 return VMEXIT_EXCP21_STR;
620 return VMEXIT_EXCP22_STR;
622 return VMEXIT_EXCP23_STR;
624 return VMEXIT_EXCP24_STR;
626 return VMEXIT_EXCP25_STR;
628 return VMEXIT_EXCP26_STR;
630 return VMEXIT_EXCP27_STR;
632 return VMEXIT_EXCP28_STR;
634 return VMEXIT_EXCP29_STR;
636 return VMEXIT_EXCP30_STR;
638 return VMEXIT_EXCP31_STR;
640 return VMEXIT_INTR_STR;
642 return VMEXIT_NMI_STR;
644 return VMEXIT_SMI_STR;
646 return VMEXIT_INIT_STR;
648 return VMEXIT_VINITR_STR;
649 case VMEXIT_CR0_SEL_WRITE:
650 return VMEXIT_CR0_SEL_WRITE_STR;
651 case VMEXIT_IDTR_READ:
652 return VMEXIT_IDTR_READ_STR;
653 case VMEXIT_GDTR_READ:
654 return VMEXIT_GDTR_READ_STR;
655 case VMEXIT_LDTR_READ:
656 return VMEXIT_LDTR_READ_STR;
658 return VMEXIT_TR_READ_STR;
659 case VMEXIT_IDTR_WRITE:
660 return VMEXIT_IDTR_WRITE_STR;
661 case VMEXIT_GDTR_WRITE:
662 return VMEXIT_GDTR_WRITE_STR;
663 case VMEXIT_LDTR_WRITE:
664 return VMEXIT_LDTR_WRITE_STR;
665 case VMEXIT_TR_WRITE:
666 return VMEXIT_TR_WRITE_STR;
668 return VMEXIT_RDTSC_STR;
670 return VMEXIT_RDPMC_STR;
672 return VMEXIT_PUSHF_STR;
674 return VMEXIT_POPF_STR;
676 return VMEXIT_CPUID_STR;
678 return VMEXIT_RSM_STR;
680 return VMEXIT_IRET_STR;
682 return VMEXIT_SWINT_STR;
684 return VMEXIT_INVD_STR;
686 return VMEXIT_PAUSE_STR;
688 return VMEXIT_HLT_STR;
690 return VMEXIT_INVLPG_STR;
692 return VMEXIT_INVLPGA_STR;
694 return VMEXIT_IOIO_STR;
696 return VMEXIT_MSR_STR;
697 case VMEXIT_TASK_SWITCH:
698 return VMEXIT_TASK_SWITCH_STR;
699 case VMEXIT_FERR_FREEZE:
700 return VMEXIT_FERR_FREEZE_STR;
701 case VMEXIT_SHUTDOWN:
702 return VMEXIT_SHUTDOWN_STR;
704 return VMEXIT_VMRUN_STR;
706 return VMEXIT_VMMCALL_STR;
708 return VMEXIT_VMLOAD_STR;
710 return VMEXIT_VMSAVE_STR;
712 return VMEXIT_STGI_STR;
714 return VMEXIT_CLGI_STR;
716 return VMEXIT_SKINIT_STR;
718 return VMEXIT_RDTSCP_STR;
720 return VMEXIT_ICEBP_STR;
722 return VMEXIT_WBINVD_STR;
724 return VMEXIT_MONITOR_STR;
726 return VMEXIT_MWAIT_STR;
727 case VMEXIT_MWAIT_CONDITIONAL:
728 return VMEXIT_MWAIT_CONDITIONAL_STR;
730 return VMEXIT_NPF_STR;
731 case VMEXIT_INVALID_VMCB:
732 return VMEXIT_INVALID_VMCB_STR;