palacios/src/palacios/svm_handler.c

   1 /*
   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.
   5  *
   6  * The V3VEE Project is a joint project between Northwestern University
   7  * and the University of New Mexico.  You can find out more at
   8  * http://www.v3vee.org
   9  *
  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.
  13  *
  14  * Author: Jack Lange <jarusl@cs.northwestern.edu>
  15  *
  16  * This is free software.  You are permitted to use,
  17  * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
  18  */
  19
  20
  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/svm_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_profiler.h>
  34
  35
  36
  37
  38 int v3_handle_svm_exit(struct guest_info * info) {
  39   vmcb_ctrl_t * guest_ctrl = 0;
  40   vmcb_saved_state_t * guest_state = 0;
  41   ulong_t exit_code = 0;
  42
  43   guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
  44   guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
  45
  46
  47   // Update the high level state
  48   info->rip = guest_state->rip;
  49   info->vm_regs.rsp = guest_state->rsp;
  50   info->vm_regs.rax = guest_state->rax;
  51
  52   info->cpl = guest_state->cpl;
  53
  54
  55   info->ctrl_regs.cr0 = guest_state->cr0;
  56   info->ctrl_regs.cr2 = guest_state->cr2;
  57   info->ctrl_regs.cr3 = guest_state->cr3;
  58   info->ctrl_regs.cr4 = guest_state->cr4;
  59   info->dbg_regs.dr6 = guest_state->dr6;
  60   info->dbg_regs.dr7 = guest_state->dr7;
  61   info->ctrl_regs.cr8 = guest_ctrl->guest_ctrl.V_TPR;
  62   info->ctrl_regs.rflags = guest_state->rflags;
  63   info->ctrl_regs.efer = guest_state->efer;
  64
  65   get_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
  66   info->cpu_mode = v3_get_cpu_mode(info);
  67   info->mem_mode = v3_get_mem_mode(info);
  68
  69
  70   exit_code = guest_ctrl->exit_code;
  71
  72
  73
  74
  75
  76   // Disable printing io exits due to bochs debug messages
  77   //if (!((exit_code == VMEXIT_IOIO) && ((ushort_t)(guest_ctrl->exit_info1 >> 16) == 0x402))) {
  78
  79
  80   //  PrintDebug("SVM Returned: Exit Code: 0x%x \t\t(tsc=%ul)\n",exit_code, (uint_t)info->time_state.guest_tsc);
  81
  82   if ((0) && (exit_code < 0x4f)) {
  83     uchar_t instr[32];
  84     int ret;
  85     // Dump out the instr stream
  86
  87     //PrintDebug("RIP: %x\n", guest_state->rip);
  88     PrintDebug("RIP Linear: %p\n", (void *)get_addr_linear(info, info->rip, &(info->segments.cs)));
  89
  90     // OK, now we will read the instruction
  91     // The only difference between PROTECTED and PROTECTED_PG is whether we read
  92     // from guest_pa or guest_va
  93     if (info->mem_mode == PHYSICAL_MEM) {
  94       // The real rip address is actually a combination of the rip + CS base
  95       ret = read_guest_pa_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
  96     } else {
  97       ret = read_guest_va_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
  98     }
  99
 100     if (ret != 32) {
 101       // I think we should inject a GPF into the guest
 102       PrintDebug("Could not read instruction (ret=%d)\n", ret);
 103     } else {
 104
 105       PrintDebug("Instr Stream:\n");
 106       PrintTraceMemDump(instr, 32);
 107     }
 108   }
 109
 110
 111
 112   if (info->enable_profiler) {
 113     rdtscll(info->profiler.start_time);
 114   }
 115
 116
 117   //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
 118
 119   switch (exit_code) {
 120
 121   case VMEXIT_IOIO:
 122     {
 123       struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1);
 124
 125       if (io_info->type == 0) {
 126         if (io_info->str) {
 127           if (v3_handle_svm_io_outs(info) == -1 ) {
 128             return -1;
 129           }
 130         } else {
 131           if (v3_handle_svm_io_out(info) == -1) {
 132             return -1;
 133           }
 134         }
 135       } else {
 136         if (io_info->str) {
 137           if (v3_handle_svm_io_ins(info) == -1) {
 138             return -1;
 139           }
 140         } else {
 141           if (v3_handle_svm_io_in(info) == -1) {
 142             return -1;
 143           }
 144         }
 145       }
 146       break;
 147     }
 148   case VMEXIT_MSR:
 149     {
 150
 151       if (guest_ctrl->exit_info1 == 0) {
 152         if (v3_handle_msr_read(info) == -1) {
 153           return -1;
 154         }
 155       } else if (guest_ctrl->exit_info1 == 1) {
 156         if (v3_handle_msr_write(info) == -1) {
 157           return -1;
 158         }
 159       } else {
 160         PrintError("Invalid MSR Operation\n");
 161         return -1;
 162       }
 163
 164       break;
 165     }
 166   case VMEXIT_CR0_WRITE:
 167     {
 168 #ifdef DEBUG_CTRL_REGS
 169       PrintDebug("CR0 Write\n");
 170 #endif
 171       if (v3_handle_cr0_write(info) == -1) {
 172         return -1;
 173       }
 174       break;
 175     }
 176   case VMEXIT_CR0_READ:
 177     {
 178 #ifdef DEBUG_CTRL_REGS
 179       PrintDebug("CR0 Read\n");
 180 #endif
 181       if (v3_handle_cr0_read(info) == -1) {
 182         return -1;
 183       }
 184       break;
 185     }
 186   case VMEXIT_CR3_WRITE:
 187     {
 188 #ifdef DEBUG_CTRL_REGS
 189       PrintDebug("CR3 Write\n");
 190 #endif
 191       if (v3_handle_cr3_write(info) == -1) {
 192         return -1;
 193       }
 194       break;
 195     }
 196   case  VMEXIT_CR3_READ:
 197     {
 198 #ifdef DEBUG_CTRL_REGS
 199       PrintDebug("CR3 Read\n");
 200 #endif
 201       if (v3_handle_cr3_read(info) == -1) {
 202         return -1;
 203       }
 204       break;
 205     }
 206   case VMEXIT_CR4_WRITE:
 207     {
 208 #ifdef DEBUG_CTRL_REGS
 209       PrintDebug("CR4 Write\n");
 210 #endif
 211       if (v3_handle_cr4_write(info) == -1) {
 212         return -1;
 213       }
 214       break;
 215     }
 216   case  VMEXIT_CR4_READ:
 217     {
 218 #ifdef DEBUG_CTRL_REGS
 219       PrintDebug("CR4 Read\n");
 220 #endif
 221       if (v3_handle_cr4_read(info) == -1) {
 222         return -1;
 223       }
 224       break;
 225     }
 226
 227   case VMEXIT_EXCP14:
 228     {
 229       addr_t fault_addr = guest_ctrl->exit_info2;
 230       pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
 231 #ifdef DEBUG_SHADOW_PAGING
 232       PrintDebug("PageFault at %p (error=%d)\n",
 233                  (void *)fault_addr, *(uint_t *)error_code);
 234 #endif
 235       if (info->shdw_pg_mode == SHADOW_PAGING) {
 236         if (v3_handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
 237           return -1;
 238         }
 239       } else {
 240         PrintError("Page fault in un implemented paging mode\n");
 241         return -1;
 242       }
 243       break;
 244     }
 245   case VMEXIT_NPF:
 246     {
 247       PrintError("Currently unhandled Nested Page Fault\n");
 248       return -1;
 249
 250       break;
 251     }
 252   case VMEXIT_INVLPG:
 253     {
 254       if (info->shdw_pg_mode == SHADOW_PAGING) {
 255 #ifdef DEBUG_SHADOW_PAGING
 256         PrintDebug("Invlpg\n");
 257 #endif
 258         if (v3_handle_shadow_invlpg(info) == -1) {
 259           return -1;
 260         }
 261       }
 262
 263       /*
 264         (exit_code == VMEXIT_INVLPGA)   ||
 265       */
 266       break;
 267     }
 268   case VMEXIT_INTR:
 269     {
 270       // handled by interrupt dispatch earlier
 271       break;
 272     }
 273   case VMEXIT_SMI:
 274     {
 275       //   handle_svm_smi(info); // ignored for now
 276       break;
 277     }
 278   case VMEXIT_HLT:
 279     {
 280 #ifdef DEBUG_HALT
 281       PrintDebug("Guest halted\n");
 282 #endif
 283       if (v3_handle_svm_halt(info) == -1) {
 284         return -1;
 285       }
 286       break;
 287     }
 288   case VMEXIT_PAUSE: {
 289     //PrintDebug("Guest paused\n");
 290     if (v3_handle_svm_pause(info) == -1) {
 291       return -1;
 292     }
 293   }
 294     break;
 295
 296
 297 #if 0
 298     // Emulation handlers currently not used
 299   case VMEXIT_EXCP1:
 300     {
 301 #ifdef DEBUG_EMULATOR
 302       PrintDebug("DEBUG EXCEPTION\n");
 303 #endif
 304       if (info->run_state == VM_EMULATING) {
 305         if (v3_emulation_exit_handler(info) == -1) {
 306           return -1;
 307         }
 308       } else {
 309         PrintError("VMMCALL with not emulator...\n");
 310         return -1;
 311       }
 312       break;
 313     }
 314
 315
 316   case VMEXIT_VMMCALL:
 317     {
 318 #ifdef DEBUG_EMULATOR
 319       PrintDebug("VMMCALL\n");
 320 #endif
 321       if (info->run_state == VM_EMULATING) {
 322         if (v3_emulation_exit_handler(info) == -1) {
 323           return -1;
 324         }
 325       } else {
 326         /*
 327         ulong_t tsc_spread = 0;
 328         ullong_t exit_tsc = 0;
 329
 330         ulong_t rax = (ulong_t)info->vm_regs.rbx;
 331         ulong_t rdx = (ulong_t)info->vm_regs.rcx;
 332
 333         *(ulong_t *)(&exit_tsc) = rax;
 334         *(((ulong_t *)(&exit_tsc)) + 1) = rdx;
 335
 336         tsc_spread = info->exit_tsc - exit_tsc;
 337
 338         PrintError("VMMCALL tsc diff = %lu\n",tsc_spread);
 339         info->rip += 3;
 340         */
 341         PrintError("VMMCALL with not emulator...\n");
 342         return -1;
 343       }
 344       break;
 345     }
 346 #endif
 347
 348
 349   case VMEXIT_WBINVD:
 350     {
 351 #ifdef DEBUG_EMULATOR
 352       PrintDebug("WBINVD\n");
 353 #endif
 354       if (!v3_handle_svm_wbinvd(info)) {
 355         return -1;
 356       }
 357       break;
 358     }
 359
 360
 361
 362
 363     /* Exits Following this line are NOT HANDLED */
 364     /*=======================================================================*/
 365
 366   default: {
 367
 368     addr_t rip_addr;
 369     uchar_t buf[15];
 370     addr_t host_addr;
 371
 372     PrintDebug("Unhandled SVM Exit: %s\n", vmexit_code_to_str(exit_code));
 373
 374     rip_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
 375
 376
 377     PrintError("SVM Returned:(VMCB=%p)\n", (void *)(info->vmm_data));
 378     PrintError("RIP: %p\n", (void *)(addr_t)(guest_state->rip));
 379     PrintError("RIP Linear: %p\n", (void *)(addr_t)(rip_addr));
 380
 381     PrintError("SVM Returned: Exit Code: %p\n", (void *)(addr_t)exit_code);
 382
 383     PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
 384     PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
 385
 386     PrintError("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
 387     PrintError("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
 388
 389
 390     return -1;
 391
 392   }
 393     break;
 394
 395   }
 396   // END OF SWITCH (EXIT_CODE)
 397
 398
 399   if (info->enable_profiler) {
 400     rdtscll(info->profiler.end_time);
 401     v3_profile_exit(info, exit_code);
 402   }
 403
 404
 405
 406   // Update the low level state
 407
 408   if (v3_intr_pending(info)) {
 409
 410     switch (v3_get_intr_type(info)) {
 411     case EXTERNAL_IRQ:
 412       {
 413         uint_t irq = v3_get_intr_number(info);
 414
 415         // check to see if ==-1 (non exists)
 416
 417         /*
 418           guest_ctrl->EVENTINJ.vector = irq;
 419           guest_ctrl->EVENTINJ.valid = 1;
 420           guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXTERNAL_INTR;
 421         */
 422
 423         guest_ctrl->guest_ctrl.V_IRQ = 1;
 424         guest_ctrl->guest_ctrl.V_INTR_VECTOR = irq;
 425         guest_ctrl->guest_ctrl.V_IGN_TPR = 1;
 426         guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
 427 #ifdef DEBUG_INTERRUPTS
 428         PrintDebug("Injecting Interrupt %d (EIP=%p)\n",
 429                    guest_ctrl->guest_ctrl.V_INTR_VECTOR,
 430                    (void *)(addr_t)info->rip);
 431 #endif
 432         v3_injecting_intr(info, irq, EXTERNAL_IRQ);
 433
 434         break;
 435       }
 436     case NMI:
 437       guest_ctrl->EVENTINJ.type = SVM_INJECTION_NMI;
 438       break;
 439     case EXCEPTION:
 440       {
 441         uint_t excp = v3_get_intr_number(info);
 442
 443         guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
 444
 445         if (info->intr_state.excp_error_code_valid) {  //PAD
 446           guest_ctrl->EVENTINJ.error_code = info->intr_state.excp_error_code;
 447           guest_ctrl->EVENTINJ.ev = 1;
 448 #ifdef DEBUG_INTERRUPTS
 449           PrintDebug("Injecting error code %x\n", guest_ctrl->EVENTINJ.error_code);
 450 #endif
 451         }
 452
 453         guest_ctrl->EVENTINJ.vector = excp;
 454
 455         guest_ctrl->EVENTINJ.valid = 1;
 456 #ifdef DEBUG_INTERRUPTS
 457         PrintDebug("Injecting Interrupt %d (EIP=%p)\n",
 458                    guest_ctrl->EVENTINJ.vector,
 459                    (void *)(addr_t)info->rip);
 460 #endif
 461         v3_injecting_intr(info, excp, EXCEPTION);
 462         break;
 463       }
 464     case SOFTWARE_INTR:
 465       guest_ctrl->EVENTINJ.type = SVM_INJECTION_SOFT_INTR;
 466       break;
 467     case VIRTUAL_INTR:
 468       guest_ctrl->EVENTINJ.type = SVM_INJECTION_VIRTUAL_INTR;
 469       break;
 470
 471     case INVALID_INTR:
 472     default:
 473       PrintError("Attempted to issue an invalid interrupt\n");
 474       return -1;
 475     }
 476
 477   } else {
 478 #ifdef DEBUG_INTERRUPTS
 479     PrintDebug("No interrupts/exceptions pending\n");
 480 #endif
 481   }
 482
 483   guest_state->cr0 = info->ctrl_regs.cr0;
 484   guest_state->cr2 = info->ctrl_regs.cr2;
 485   guest_state->cr3 = info->ctrl_regs.cr3;
 486   guest_state->cr4 = info->ctrl_regs.cr4;
 487   guest_state->dr6 = info->dbg_regs.dr6;
 488   guest_state->dr7 = info->dbg_regs.dr7;
 489   guest_ctrl->guest_ctrl.V_TPR = info->ctrl_regs.cr8 & 0xff;
 490   guest_state->rflags = info->ctrl_regs.rflags;
 491   guest_state->efer = info->ctrl_regs.efer;
 492
 493   guest_state->cpl = info->cpl;
 494
 495   guest_state->rax = info->vm_regs.rax;
 496   guest_state->rip = info->rip;
 497   guest_state->rsp = info->vm_regs.rsp;
 498
 499
 500   set_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
 501
 502   if (exit_code == VMEXIT_INTR) {
 503     //PrintDebug("INTR ret IP = %x\n", guest_state->rip);
 504   }
 505
 506   return 0;
 507 }
 508
 509
 510 static const char VMEXIT_CR0_READ_STR[] = "VMEXIT_CR0_READ";
 511 static const char VMEXIT_CR1_READ_STR[] = "VMEXIT_CR1_READ";
 512 static const char VMEXIT_CR2_READ_STR[] = "VMEXIT_CR2_READ";
 513 static const char VMEXIT_CR3_READ_STR[] = "VMEXIT_CR3_READ";
 514 static const char VMEXIT_CR4_READ_STR[] = "VMEXIT_CR4_READ";
 515 static const char VMEXIT_CR5_READ_STR[] = "VMEXIT_CR5_READ";
 516 static const char VMEXIT_CR6_READ_STR[] = "VMEXIT_CR6_READ";
 517 static const char VMEXIT_CR7_READ_STR[] = "VMEXIT_CR7_READ";
 518 static const char VMEXIT_CR8_READ_STR[] = "VMEXIT_CR8_READ";
 519 static const char VMEXIT_CR9_READ_STR[] = "VMEXIT_CR9_READ";
 520 static const char VMEXIT_CR10_READ_STR[] = "VMEXIT_CR10_READ";
 521 static const char VMEXIT_CR11_READ_STR[] = "VMEXIT_CR11_READ";
 522 static const char VMEXIT_CR12_READ_STR[] = "VMEXIT_CR12_READ";
 523 static const char VMEXIT_CR13_READ_STR[] = "VMEXIT_CR13_READ";
 524 static const char VMEXIT_CR14_READ_STR[] = "VMEXIT_CR14_READ";
 525 static const char VMEXIT_CR15_READ_STR[] = "VMEXIT_CR15_READ";
 526 static const char VMEXIT_CR0_WRITE_STR[] = "VMEXIT_CR0_WRITE";
 527 static const char VMEXIT_CR1_WRITE_STR[] = "VMEXIT_CR1_WRITE";
 528 static const char VMEXIT_CR2_WRITE_STR[] = "VMEXIT_CR2_WRITE";
 529 static const char VMEXIT_CR3_WRITE_STR[] = "VMEXIT_CR3_WRITE";
 530 static const char VMEXIT_CR4_WRITE_STR[] = "VMEXIT_CR4_WRITE";
 531 static const char VMEXIT_CR5_WRITE_STR[] = "VMEXIT_CR5_WRITE";
 532 static const char VMEXIT_CR6_WRITE_STR[] = "VMEXIT_CR6_WRITE";
 533 static const char VMEXIT_CR7_WRITE_STR[] = "VMEXIT_CR7_WRITE";
 534 static const char VMEXIT_CR8_WRITE_STR[] = "VMEXIT_CR8_WRITE";
 535 static const char VMEXIT_CR9_WRITE_STR[] = "VMEXIT_CR9_WRITE";
 536 static const char VMEXIT_CR10_WRITE_STR[] = "VMEXIT_CR10_WRITE";
 537 static const char VMEXIT_CR11_WRITE_STR[] = "VMEXIT_CR11_WRITE";
 538 static const char VMEXIT_CR12_WRITE_STR[] = "VMEXIT_CR12_WRITE";
 539 static const char VMEXIT_CR13_WRITE_STR[] = "VMEXIT_CR13_WRITE";
 540 static const char VMEXIT_CR14_WRITE_STR[] = "VMEXIT_CR14_WRITE";
 541 static const char VMEXIT_CR15_WRITE_STR[] = "VMEXIT_CR15_WRITE";
 542 static const char VMEXIT_DR0_READ_STR[] = "VMEXIT_DR0_READ";
 543 static const char VMEXIT_DR1_READ_STR[] = "VMEXIT_DR1_READ";
 544 static const char VMEXIT_DR2_READ_STR[] = "VMEXIT_DR2_READ";
 545 static const char VMEXIT_DR3_READ_STR[] = "VMEXIT_DR3_READ";
 546 static const char VMEXIT_DR4_READ_STR[] = "VMEXIT_DR4_READ";
 547 static const char VMEXIT_DR5_READ_STR[] = "VMEXIT_DR5_READ";
 548 static const char VMEXIT_DR6_READ_STR[] = "VMEXIT_DR6_READ";
 549 static const char VMEXIT_DR7_READ_STR[] = "VMEXIT_DR7_READ";
 550 static const char VMEXIT_DR8_READ_STR[] = "VMEXIT_DR8_READ";
 551 static const char VMEXIT_DR9_READ_STR[] = "VMEXIT_DR9_READ";
 552 static const char VMEXIT_DR10_READ_STR[] = "VMEXIT_DR10_READ";
 553 static const char VMEXIT_DR11_READ_STR[] = "VMEXIT_DR11_READ";
 554 static const char VMEXIT_DR12_READ_STR[] = "VMEXIT_DR12_READ";
 555 static const char VMEXIT_DR13_READ_STR[] = "VMEXIT_DR13_READ";
 556 static const char VMEXIT_DR14_READ_STR[] = "VMEXIT_DR14_READ";
 557 static const char VMEXIT_DR15_READ_STR[] = "VMEXIT_DR15_READ";
 558 static const char VMEXIT_DR0_WRITE_STR[] = "VMEXIT_DR0_WRITE";
 559 static const char VMEXIT_DR1_WRITE_STR[] = "VMEXIT_DR1_WRITE";
 560 static const char VMEXIT_DR2_WRITE_STR[] = "VMEXIT_DR2_WRITE";
 561 static const char VMEXIT_DR3_WRITE_STR[] = "VMEXIT_DR3_WRITE";
 562 static const char VMEXIT_DR4_WRITE_STR[] = "VMEXIT_DR4_WRITE";
 563 static const char VMEXIT_DR5_WRITE_STR[] = "VMEXIT_DR5_WRITE";
 564 static const char VMEXIT_DR6_WRITE_STR[] = "VMEXIT_DR6_WRITE";
 565 static const char VMEXIT_DR7_WRITE_STR[] = "VMEXIT_DR7_WRITE";
 566 static const char VMEXIT_DR8_WRITE_STR[] = "VMEXIT_DR8_WRITE";
 567 static const char VMEXIT_DR9_WRITE_STR[] = "VMEXIT_DR9_WRITE";
 568 static const char VMEXIT_DR10_WRITE_STR[] = "VMEXIT_DR10_WRITE";
 569 static const char VMEXIT_DR11_WRITE_STR[] = "VMEXIT_DR11_WRITE";
 570 static const char VMEXIT_DR12_WRITE_STR[] = "VMEXIT_DR12_WRITE";
 571 static const char VMEXIT_DR13_WRITE_STR[] = "VMEXIT_DR13_WRITE";
 572 static const char VMEXIT_DR14_WRITE_STR[] = "VMEXIT_DR14_WRITE";
 573 static const char VMEXIT_DR15_WRITE_STR[] = "VMEXIT_DR15_WRITE";
 574 static const char VMEXIT_EXCP0_STR[] = "VMEXIT_EXCP0";
 575 static const char VMEXIT_EXCP1_STR[] = "VMEXIT_EXCP1";
 576 static const char VMEXIT_EXCP2_STR[] = "VMEXIT_EXCP2";
 577 static const char VMEXIT_EXCP3_STR[] = "VMEXIT_EXCP3";
 578 static const char VMEXIT_EXCP4_STR[] = "VMEXIT_EXCP4";
 579 static const char VMEXIT_EXCP5_STR[] = "VMEXIT_EXCP5";
 580 static const char VMEXIT_EXCP6_STR[] = "VMEXIT_EXCP6";
 581 static const char VMEXIT_EXCP7_STR[] = "VMEXIT_EXCP7";
 582 static const char VMEXIT_EXCP8_STR[] = "VMEXIT_EXCP8";
 583 static const char VMEXIT_EXCP9_STR[] = "VMEXIT_EXCP9";
 584 static const char VMEXIT_EXCP10_STR[] = "VMEXIT_EXCP10";
 585 static const char VMEXIT_EXCP11_STR[] = "VMEXIT_EXCP11";
 586 static const char VMEXIT_EXCP12_STR[] = "VMEXIT_EXCP12";
 587 static const char VMEXIT_EXCP13_STR[] = "VMEXIT_EXCP13";
 588 static const char VMEXIT_EXCP14_STR[] = "VMEXIT_EXCP14";
 589 static const char VMEXIT_EXCP15_STR[] = "VMEXIT_EXCP15";
 590 static const char VMEXIT_EXCP16_STR[] = "VMEXIT_EXCP16";
 591 static const char VMEXIT_EXCP17_STR[] = "VMEXIT_EXCP17";
 592 static const char VMEXIT_EXCP18_STR[] = "VMEXIT_EXCP18";
 593 static const char VMEXIT_EXCP19_STR[] = "VMEXIT_EXCP19";
 594 static const char VMEXIT_EXCP20_STR[] = "VMEXIT_EXCP20";
 595 static const char VMEXIT_EXCP21_STR[] = "VMEXIT_EXCP21";
 596 static const char VMEXIT_EXCP22_STR[] = "VMEXIT_EXCP22";
 597 static const char VMEXIT_EXCP23_STR[] = "VMEXIT_EXCP23";
 598 static const char VMEXIT_EXCP24_STR[] = "VMEXIT_EXCP24";
 599 static const char VMEXIT_EXCP25_STR[] = "VMEXIT_EXCP25";
 600 static const char VMEXIT_EXCP26_STR[] = "VMEXIT_EXCP26";
 601 static const char VMEXIT_EXCP27_STR[] = "VMEXIT_EXCP27";
 602 static const char VMEXIT_EXCP28_STR[] = "VMEXIT_EXCP28";
 603 static const char VMEXIT_EXCP29_STR[] = "VMEXIT_EXCP29";
 604 static const char VMEXIT_EXCP30_STR[] = "VMEXIT_EXCP30";
 605 static const char VMEXIT_EXCP31_STR[] = "VMEXIT_EXCP31";
 606 static const char VMEXIT_INTR_STR[] = "VMEXIT_INTR";
 607 static const char VMEXIT_NMI_STR[] = "VMEXIT_NMI";
 608 static const char VMEXIT_SMI_STR[] = "VMEXIT_SMI";
 609 static const char VMEXIT_INIT_STR[] = "VMEXIT_INIT";
 610 static const char VMEXIT_VINITR_STR[] = "VMEXIT_VINITR";
 611 static const char VMEXIT_CR0_SEL_WRITE_STR[] = "VMEXIT_CR0_SEL_WRITE";
 612 static const char VMEXIT_IDTR_READ_STR[] = "VMEXIT_IDTR_READ";
 613 static const char VMEXIT_GDTR_READ_STR[] = "VMEXIT_GDTR_READ";
 614 static const char VMEXIT_LDTR_READ_STR[] = "VMEXIT_LDTR_READ";
 615 static const char VMEXIT_TR_READ_STR[] = "VMEXIT_TR_READ";
 616 static const char VMEXIT_IDTR_WRITE_STR[] = "VMEXIT_IDTR_WRITE";
 617 static const char VMEXIT_GDTR_WRITE_STR[] = "VMEXIT_GDTR_WRITE";
 618 static const char VMEXIT_LDTR_WRITE_STR[] = "VMEXIT_LDTR_WRITE";
 619 static const char VMEXIT_TR_WRITE_STR[] = "VMEXIT_TR_WRITE";
 620 static const char VMEXIT_RDTSC_STR[] = "VMEXIT_RDTSC";
 621 static const char VMEXIT_RDPMC_STR[] = "VMEXIT_RDPMC";
 622 static const char VMEXIT_PUSHF_STR[] = "VMEXIT_PUSHF";
 623 static const char VMEXIT_POPF_STR[] = "VMEXIT_POPF";
 624 static const char VMEXIT_CPUID_STR[] = "VMEXIT_CPUID";
 625 static const char VMEXIT_RSM_STR[] = "VMEXIT_RSM";
 626 static const char VMEXIT_IRET_STR[] = "VMEXIT_IRET";
 627 static const char VMEXIT_SWINT_STR[] = "VMEXIT_SWINT";
 628 static const char VMEXIT_INVD_STR[] = "VMEXIT_INVD";
 629 static const char VMEXIT_PAUSE_STR[] = "VMEXIT_PAUSE";
 630 static const char VMEXIT_HLT_STR[] = "VMEXIT_HLT";
 631 static const char VMEXIT_INVLPG_STR[] = "VMEXIT_INVLPG";
 632 static const char VMEXIT_INVLPGA_STR[] = "VMEXIT_INVLPGA";
 633 static const char VMEXIT_IOIO_STR[] = "VMEXIT_IOIO";
 634 static const char VMEXIT_MSR_STR[] = "VMEXIT_MSR";
 635 static const char VMEXIT_TASK_SWITCH_STR[] = "VMEXIT_TASK_SWITCH";
 636 static const char VMEXIT_FERR_FREEZE_STR[] = "VMEXIT_FERR_FREEZE";
 637 static const char VMEXIT_SHUTDOWN_STR[] = "VMEXIT_SHUTDOWN";
 638 static const char VMEXIT_VMRUN_STR[] = "VMEXIT_VMRUN";
 639 static const char VMEXIT_VMMCALL_STR[] = "VMEXIT_VMMCALL";
 640 static const char VMEXIT_VMLOAD_STR[] = "VMEXIT_VMLOAD";
 641 static const char VMEXIT_VMSAVE_STR[] = "VMEXIT_VMSAVE";
 642 static const char VMEXIT_STGI_STR[] = "VMEXIT_STGI";
 643 static const char VMEXIT_CLGI_STR[] = "VMEXIT_CLGI";
 644 static const char VMEXIT_SKINIT_STR[] = "VMEXIT_SKINIT";
 645 static const char VMEXIT_RDTSCP_STR[] = "VMEXIT_RDTSCP";
 646 static const char VMEXIT_ICEBP_STR[] = "VMEXIT_ICEBP";
 647 static const char VMEXIT_WBINVD_STR[] = "VMEXIT_WBINVD";
 648 static const char VMEXIT_MONITOR_STR[] = "VMEXIT_MONITOR";
 649 static const char VMEXIT_MWAIT_STR[] = "VMEXIT_MWAIT";
 650 static const char VMEXIT_MWAIT_CONDITIONAL_STR[] = "VMEXIT_MWAIT_CONDITIONAL";
 651 static const char VMEXIT_NPF_STR[] = "VMEXIT_NPF";
 652 static const char VMEXIT_INVALID_VMCB_STR[] = "VMEXIT_INVALID_VMCB";
 653
 654
 655
 656 const char * vmexit_code_to_str(uint_t exit_code) {
 657   switch(exit_code) {
 658   case VMEXIT_CR0_READ:
 659     return VMEXIT_CR0_READ_STR;
 660   case VMEXIT_CR1_READ:
 661     return VMEXIT_CR1_READ_STR;
 662   case VMEXIT_CR2_READ:
 663     return VMEXIT_CR2_READ_STR;
 664   case VMEXIT_CR3_READ:
 665     return VMEXIT_CR3_READ_STR;
 666   case VMEXIT_CR4_READ:
 667     return VMEXIT_CR4_READ_STR;
 668   case VMEXIT_CR5_READ:
 669     return VMEXIT_CR5_READ_STR;
 670   case VMEXIT_CR6_READ:
 671     return VMEXIT_CR6_READ_STR;
 672   case VMEXIT_CR7_READ:
 673     return VMEXIT_CR7_READ_STR;
 674   case VMEXIT_CR8_READ:
 675     return VMEXIT_CR8_READ_STR;
 676   case VMEXIT_CR9_READ:
 677     return VMEXIT_CR9_READ_STR;
 678   case VMEXIT_CR10_READ:
 679     return VMEXIT_CR10_READ_STR;
 680   case VMEXIT_CR11_READ:
 681     return VMEXIT_CR11_READ_STR;
 682   case VMEXIT_CR12_READ:
 683     return VMEXIT_CR12_READ_STR;
 684   case VMEXIT_CR13_READ:
 685     return VMEXIT_CR13_READ_STR;
 686   case VMEXIT_CR14_READ:
 687     return VMEXIT_CR14_READ_STR;
 688   case VMEXIT_CR15_READ:
 689     return VMEXIT_CR15_READ_STR;
 690   case VMEXIT_CR0_WRITE:
 691     return VMEXIT_CR0_WRITE_STR;
 692   case VMEXIT_CR1_WRITE:
 693     return VMEXIT_CR1_WRITE_STR;
 694   case VMEXIT_CR2_WRITE:
 695     return VMEXIT_CR2_WRITE_STR;
 696   case VMEXIT_CR3_WRITE:
 697     return VMEXIT_CR3_WRITE_STR;
 698   case VMEXIT_CR4_WRITE:
 699     return VMEXIT_CR4_WRITE_STR;
 700   case VMEXIT_CR5_WRITE:
 701     return VMEXIT_CR5_WRITE_STR;
 702   case VMEXIT_CR6_WRITE:
 703     return VMEXIT_CR6_WRITE_STR;
 704   case VMEXIT_CR7_WRITE:
 705     return VMEXIT_CR7_WRITE_STR;
 706   case VMEXIT_CR8_WRITE:
 707     return VMEXIT_CR8_WRITE_STR;
 708   case VMEXIT_CR9_WRITE:
 709     return VMEXIT_CR9_WRITE_STR;
 710   case VMEXIT_CR10_WRITE:
 711     return VMEXIT_CR10_WRITE_STR;
 712   case VMEXIT_CR11_WRITE:
 713     return VMEXIT_CR11_WRITE_STR;
 714   case VMEXIT_CR12_WRITE:
 715     return VMEXIT_CR12_WRITE_STR;
 716   case VMEXIT_CR13_WRITE:
 717     return VMEXIT_CR13_WRITE_STR;
 718   case VMEXIT_CR14_WRITE:
 719     return VMEXIT_CR14_WRITE_STR;
 720   case VMEXIT_CR15_WRITE:
 721     return VMEXIT_CR15_WRITE_STR;
 722   case VMEXIT_DR0_READ:
 723     return VMEXIT_DR0_READ_STR;
 724   case VMEXIT_DR1_READ:
 725     return VMEXIT_DR1_READ_STR;
 726   case VMEXIT_DR2_READ:
 727     return VMEXIT_DR2_READ_STR;
 728   case VMEXIT_DR3_READ:
 729     return VMEXIT_DR3_READ_STR;
 730   case VMEXIT_DR4_READ:
 731     return VMEXIT_DR4_READ_STR;
 732   case VMEXIT_DR5_READ:
 733     return VMEXIT_DR5_READ_STR;
 734   case VMEXIT_DR6_READ:
 735     return VMEXIT_DR6_READ_STR;
 736   case VMEXIT_DR7_READ:
 737     return VMEXIT_DR7_READ_STR;
 738   case VMEXIT_DR8_READ:
 739     return VMEXIT_DR8_READ_STR;
 740   case VMEXIT_DR9_READ:
 741     return VMEXIT_DR9_READ_STR;
 742   case VMEXIT_DR10_READ:
 743     return VMEXIT_DR10_READ_STR;
 744   case VMEXIT_DR11_READ:
 745     return VMEXIT_DR11_READ_STR;
 746   case VMEXIT_DR12_READ:
 747     return VMEXIT_DR12_READ_STR;
 748   case VMEXIT_DR13_READ:
 749     return VMEXIT_DR13_READ_STR;
 750   case VMEXIT_DR14_READ:
 751     return VMEXIT_DR14_READ_STR;
 752   case VMEXIT_DR15_READ:
 753     return VMEXIT_DR15_READ_STR;
 754   case VMEXIT_DR0_WRITE:
 755     return VMEXIT_DR0_WRITE_STR;
 756   case VMEXIT_DR1_WRITE:
 757     return VMEXIT_DR1_WRITE_STR;
 758   case VMEXIT_DR2_WRITE:
 759     return VMEXIT_DR2_WRITE_STR;
 760   case VMEXIT_DR3_WRITE:
 761     return VMEXIT_DR3_WRITE_STR;
 762   case VMEXIT_DR4_WRITE:
 763     return VMEXIT_DR4_WRITE_STR;
 764   case VMEXIT_DR5_WRITE:
 765     return VMEXIT_DR5_WRITE_STR;
 766   case VMEXIT_DR6_WRITE:
 767     return VMEXIT_DR6_WRITE_STR;
 768   case VMEXIT_DR7_WRITE:
 769     return VMEXIT_DR7_WRITE_STR;
 770   case VMEXIT_DR8_WRITE:
 771     return VMEXIT_DR8_WRITE_STR;
 772   case VMEXIT_DR9_WRITE:
 773     return VMEXIT_DR9_WRITE_STR;
 774   case VMEXIT_DR10_WRITE:
 775     return VMEXIT_DR10_WRITE_STR;
 776   case VMEXIT_DR11_WRITE:
 777     return VMEXIT_DR11_WRITE_STR;
 778   case VMEXIT_DR12_WRITE:
 779     return VMEXIT_DR12_WRITE_STR;
 780   case VMEXIT_DR13_WRITE:
 781     return VMEXIT_DR13_WRITE_STR;
 782   case VMEXIT_DR14_WRITE:
 783     return VMEXIT_DR14_WRITE_STR;
 784   case VMEXIT_DR15_WRITE:
 785     return VMEXIT_DR15_WRITE_STR;
 786   case VMEXIT_EXCP0:
 787     return VMEXIT_EXCP0_STR;
 788   case VMEXIT_EXCP1:
 789     return VMEXIT_EXCP1_STR;
 790   case VMEXIT_EXCP2:
 791     return VMEXIT_EXCP2_STR;
 792   case VMEXIT_EXCP3:
 793     return VMEXIT_EXCP3_STR;
 794   case VMEXIT_EXCP4:
 795     return VMEXIT_EXCP4_STR;
 796   case VMEXIT_EXCP5:
 797     return VMEXIT_EXCP5_STR;
 798   case VMEXIT_EXCP6:
 799     return VMEXIT_EXCP6_STR;
 800   case VMEXIT_EXCP7:
 801     return VMEXIT_EXCP7_STR;
 802   case VMEXIT_EXCP8:
 803     return VMEXIT_EXCP8_STR;
 804   case VMEXIT_EXCP9:
 805     return VMEXIT_EXCP9_STR;
 806   case VMEXIT_EXCP10:
 807     return VMEXIT_EXCP10_STR;
 808   case VMEXIT_EXCP11:
 809     return VMEXIT_EXCP11_STR;
 810   case VMEXIT_EXCP12:
 811     return VMEXIT_EXCP12_STR;
 812   case VMEXIT_EXCP13:
 813     return VMEXIT_EXCP13_STR;
 814   case VMEXIT_EXCP14:
 815     return VMEXIT_EXCP14_STR;
 816   case VMEXIT_EXCP15:
 817     return VMEXIT_EXCP15_STR;
 818   case VMEXIT_EXCP16:
 819     return VMEXIT_EXCP16_STR;
 820   case VMEXIT_EXCP17:
 821     return VMEXIT_EXCP17_STR;
 822   case VMEXIT_EXCP18:
 823     return VMEXIT_EXCP18_STR;
 824   case VMEXIT_EXCP19:
 825     return VMEXIT_EXCP19_STR;
 826   case VMEXIT_EXCP20:
 827     return VMEXIT_EXCP20_STR;
 828   case VMEXIT_EXCP21:
 829     return VMEXIT_EXCP21_STR;
 830   case VMEXIT_EXCP22:
 831     return VMEXIT_EXCP22_STR;
 832   case VMEXIT_EXCP23:
 833     return VMEXIT_EXCP23_STR;
 834   case VMEXIT_EXCP24:
 835     return VMEXIT_EXCP24_STR;
 836   case VMEXIT_EXCP25:
 837     return VMEXIT_EXCP25_STR;
 838   case VMEXIT_EXCP26:
 839     return VMEXIT_EXCP26_STR;
 840   case VMEXIT_EXCP27:
 841     return VMEXIT_EXCP27_STR;
 842   case VMEXIT_EXCP28:
 843     return VMEXIT_EXCP28_STR;
 844   case VMEXIT_EXCP29:
 845     return VMEXIT_EXCP29_STR;
 846   case VMEXIT_EXCP30:
 847     return VMEXIT_EXCP30_STR;
 848   case VMEXIT_EXCP31:
 849     return VMEXIT_EXCP31_STR;
 850   case VMEXIT_INTR:
 851     return VMEXIT_INTR_STR;
 852   case VMEXIT_NMI:
 853     return VMEXIT_NMI_STR;
 854   case VMEXIT_SMI:
 855     return VMEXIT_SMI_STR;
 856   case VMEXIT_INIT:
 857     return VMEXIT_INIT_STR;
 858   case VMEXIT_VINITR:
 859     return VMEXIT_VINITR_STR;
 860   case VMEXIT_CR0_SEL_WRITE:
 861     return VMEXIT_CR0_SEL_WRITE_STR;
 862   case VMEXIT_IDTR_READ:
 863     return VMEXIT_IDTR_READ_STR;
 864   case VMEXIT_GDTR_READ:
 865     return VMEXIT_GDTR_READ_STR;
 866   case VMEXIT_LDTR_READ:
 867     return VMEXIT_LDTR_READ_STR;
 868   case VMEXIT_TR_READ:
 869     return VMEXIT_TR_READ_STR;
 870   case VMEXIT_IDTR_WRITE:
 871     return VMEXIT_IDTR_WRITE_STR;
 872   case VMEXIT_GDTR_WRITE:
 873     return VMEXIT_GDTR_WRITE_STR;
 874   case VMEXIT_LDTR_WRITE:
 875     return VMEXIT_LDTR_WRITE_STR;
 876   case VMEXIT_TR_WRITE:
 877     return VMEXIT_TR_WRITE_STR;
 878   case VMEXIT_RDTSC:
 879     return VMEXIT_RDTSC_STR;
 880   case VMEXIT_RDPMC:
 881     return VMEXIT_RDPMC_STR;
 882   case VMEXIT_PUSHF:
 883     return VMEXIT_PUSHF_STR;
 884   case VMEXIT_POPF:
 885     return VMEXIT_POPF_STR;
 886   case VMEXIT_CPUID:
 887     return VMEXIT_CPUID_STR;
 888   case VMEXIT_RSM:
 889     return VMEXIT_RSM_STR;
 890   case VMEXIT_IRET:
 891     return VMEXIT_IRET_STR;
 892   case VMEXIT_SWINT:
 893     return VMEXIT_SWINT_STR;
 894   case VMEXIT_INVD:
 895     return VMEXIT_INVD_STR;
 896   case VMEXIT_PAUSE:
 897     return VMEXIT_PAUSE_STR;
 898   case VMEXIT_HLT:
 899     return VMEXIT_HLT_STR;
 900   case VMEXIT_INVLPG:
 901     return VMEXIT_INVLPG_STR;
 902   case VMEXIT_INVLPGA:
 903     return VMEXIT_INVLPGA_STR;
 904   case VMEXIT_IOIO:
 905     return VMEXIT_IOIO_STR;
 906   case VMEXIT_MSR:
 907     return VMEXIT_MSR_STR;
 908   case VMEXIT_TASK_SWITCH:
 909     return VMEXIT_TASK_SWITCH_STR;
 910   case VMEXIT_FERR_FREEZE:
 911     return VMEXIT_FERR_FREEZE_STR;
 912   case VMEXIT_SHUTDOWN:
 913     return VMEXIT_SHUTDOWN_STR;
 914   case VMEXIT_VMRUN:
 915     return VMEXIT_VMRUN_STR;
 916   case VMEXIT_VMMCALL:
 917     return VMEXIT_VMMCALL_STR;
 918   case VMEXIT_VMLOAD:
 919     return VMEXIT_VMLOAD_STR;
 920   case VMEXIT_VMSAVE:
 921     return VMEXIT_VMSAVE_STR;
 922   case VMEXIT_STGI:
 923     return VMEXIT_STGI_STR;
 924   case VMEXIT_CLGI:
 925     return VMEXIT_CLGI_STR;
 926   case VMEXIT_SKINIT:
 927     return VMEXIT_SKINIT_STR;
 928   case VMEXIT_RDTSCP:
 929     return VMEXIT_RDTSCP_STR;
 930   case VMEXIT_ICEBP:
 931     return VMEXIT_ICEBP_STR;
 932   case VMEXIT_WBINVD:
 933     return VMEXIT_WBINVD_STR;
 934   case VMEXIT_MONITOR:
 935     return VMEXIT_MONITOR_STR;
 936   case VMEXIT_MWAIT:
 937     return VMEXIT_MWAIT_STR;
 938   case VMEXIT_MWAIT_CONDITIONAL:
 939     return VMEXIT_MWAIT_CONDITIONAL_STR;
 940   case VMEXIT_NPF:
 941     return VMEXIT_NPF_STR;
 942   case VMEXIT_INVALID_VMCB:
 943     return VMEXIT_INVALID_VMCB_STR;
 944   }
 945   return NULL;
 946 }