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 #include <palacios/vmm_hypercall.h>
  35 #include <palacios/vmm_direct_paging.h>
  36
  37
  38
  39 int v3_handle_svm_exit(struct guest_info * info) {
  40     vmcb_ctrl_t * guest_ctrl = 0;
  41     vmcb_saved_state_t * guest_state = 0;
  42     ulong_t exit_code = 0;
  43
  44     guest_ctrl = GET_VMCB_CTRL_AREA((vmcb_t*)(info->vmm_data));
  45     guest_state = GET_VMCB_SAVE_STATE_AREA((vmcb_t*)(info->vmm_data));
  46
  47
  48     // Update the high level state
  49     info->rip = guest_state->rip;
  50     info->vm_regs.rsp = guest_state->rsp;
  51     info->vm_regs.rax = guest_state->rax;
  52
  53     info->cpl = guest_state->cpl;
  54
  55
  56     info->ctrl_regs.cr0 = guest_state->cr0;
  57     info->ctrl_regs.cr2 = guest_state->cr2;
  58     info->ctrl_regs.cr3 = guest_state->cr3;
  59     info->ctrl_regs.cr4 = guest_state->cr4;
  60     info->dbg_regs.dr6 = guest_state->dr6;
  61     info->dbg_regs.dr7 = guest_state->dr7;
  62     info->ctrl_regs.cr8 = guest_ctrl->guest_ctrl.V_TPR;
  63     info->ctrl_regs.rflags = guest_state->rflags;
  64     info->ctrl_regs.efer = guest_state->efer;
  65
  66     get_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
  67     info->cpu_mode = v3_get_cpu_mode(info);
  68     info->mem_mode = v3_get_mem_mode(info);
  69
  70
  71     exit_code = guest_ctrl->exit_code;
  72
  73
  74     if ((info->intr_state.irq_pending == 1) && (guest_ctrl->guest_ctrl.V_IRQ == 0)) {
  75         // Interrupt was taken in the guest
  76         if (exit_code == VMEXIT_EXCP14) {
  77             PrintError("Page fault immeidately after interrupt injection (%d)\n", info->intr_state.irq_vector);
  78         }
  79
  80 #ifdef DEBUG_INTERRUPTS
  81         PrintDebug("Interrupt %d taken by guest\n", info->intr_state.irq_vector);
  82 #endif
  83         if (!guest_ctrl->exit_int_info.valid) {
  84             info->intr_state.irq_pending = 0;
  85             // PrintDebug("Injecting Interrupt %d\n", info->intr_state.irq_vector);
  86             v3_injecting_intr(info, info->intr_state.irq_vector, EXTERNAL_IRQ);
  87         } else {
  88 #ifdef DEBUG_INTERRUPTS
  89             PrintDebug("EXIT INT INFO is set (vec=%d)\n", guest_ctrl->exit_int_info.vector);
  90 #endif
  91         }
  92     }
  93
  94
  95
  96
  97     // Disable printing io exits due to bochs debug messages
  98     //if (!((exit_code == VMEXIT_IOIO) && ((ushort_t)(guest_ctrl->exit_info1 >> 16) == 0x402))) {
  99
 100
 101     //  PrintDebug("SVM Returned: Exit Code: 0x%x \t\t(tsc=%ul)\n",exit_code, (uint_t)info->time_state.guest_tsc);
 102
 103     if ((0) && (exit_code <= VMEXIT_EXCP14)) {
 104         uchar_t instr[32];
 105         int ret;
 106         // Dump out the instr stream
 107
 108         //PrintDebug("RIP: %x\n", guest_state->rip);
 109         PrintDebug("\n\n\nRIP Linear: %p\n", (void *)get_addr_linear(info, info->rip, &(info->segments.cs)));
 110
 111         v3_print_GPRs(info);
 112         v3_print_ctrl_regs(info);
 113
 114
 115         // OK, now we will read the instruction
 116         // The only difference between PROTECTED and PROTECTED_PG is whether we read
 117         // from guest_pa or guest_va
 118         if (info->mem_mode == PHYSICAL_MEM) {
 119             // The real rip address is actually a combination of the rip + CS base
 120             ret = read_guest_pa_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
 121         } else {
 122             ret = read_guest_va_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
 123         }
 124
 125
 126
 127         if (ret != 32) {
 128             // I think we should inject a GPF into the guest
 129             PrintDebug("Could not read instruction (ret=%d)\n", ret);
 130         } else {
 131             PrintDebug("Instr Stream:\n");
 132             PrintTraceMemDump(instr, 32);
 133         }
 134     }
 135
 136
 137
 138     if (info->enable_profiler) {
 139         rdtscll(info->profiler.start_time);
 140     }
 141
 142
 143     //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
 144
 145     switch (exit_code) {
 146         case VMEXIT_IOIO: {
 147             struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1);
 148
 149             if (io_info->type == 0) {
 150                 if (io_info->str) {
 151
 152                     if (v3_handle_svm_io_outs(info) == -1 ) {
 153                         return -1;
 154                     }
 155                 } else {
 156                     if (v3_handle_svm_io_out(info) == -1) {
 157                         return -1;
 158                     }
 159                 }
 160
 161             } else {
 162
 163                 if (io_info->str) {
 164                     if (v3_handle_svm_io_ins(info) == -1) {
 165                         return -1;
 166                     }
 167                 } else {
 168                     if (v3_handle_svm_io_in(info) == -1) {
 169                         return -1;
 170                     }
 171                 }
 172
 173             }
 174             break;
 175         }
 176         case VMEXIT_MSR:
 177             if (guest_ctrl->exit_info1 == 0) {
 178                 if (v3_handle_msr_read(info) == -1) {
 179                     return -1;
 180                 }
 181             } else if (guest_ctrl->exit_info1 == 1) {
 182                 if (v3_handle_msr_write(info) == -1) {
 183                     return -1;
 184                 }
 185             } else {
 186                 PrintError("Invalid MSR Operation\n");
 187                 return -1;
 188             }
 189
 190             break;
 191         case VMEXIT_CR0_WRITE:
 192 #ifdef DEBUG_CTRL_REGS
 193             PrintDebug("CR0 Write\n");
 194 #endif
 195             if (v3_handle_cr0_write(info) == -1) {
 196                 return -1;
 197             }
 198             break;
 199         case VMEXIT_CR0_READ:
 200 #ifdef DEBUG_CTRL_REGS
 201             PrintDebug("CR0 Read\n");
 202 #endif
 203             if (v3_handle_cr0_read(info) == -1) {
 204                 return -1;
 205             }
 206             break;
 207         case VMEXIT_CR3_WRITE:
 208 #ifdef DEBUG_CTRL_REGS
 209             PrintDebug("CR3 Write\n");
 210 #endif
 211             if (v3_handle_cr3_write(info) == -1) {
 212                 return -1;
 213             }
 214             break;
 215         case  VMEXIT_CR3_READ:
 216 #ifdef DEBUG_CTRL_REGS
 217             PrintDebug("CR3 Read\n");
 218 #endif
 219             if (v3_handle_cr3_read(info) == -1) {
 220                 return -1;
 221             }
 222             break;
 223         case VMEXIT_CR4_WRITE:
 224 #ifdef DEBUG_CTRL_REGS
 225             PrintDebug("CR4 Write\n");
 226 #endif
 227             if (v3_handle_cr4_write(info) == -1) {
 228                 return -1;
 229             }
 230             break;
 231         case  VMEXIT_CR4_READ:
 232 #ifdef DEBUG_CTRL_REGS
 233             PrintDebug("CR4 Read\n");
 234 #endif
 235             if (v3_handle_cr4_read(info) == -1) {
 236                 return -1;
 237             }
 238             break;
 239         case VMEXIT_EXCP14: {
 240             addr_t fault_addr = guest_ctrl->exit_info2;
 241             pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
 242 #ifdef DEBUG_SHADOW_PAGING
 243             PrintDebug("PageFault at %p (error=%d)\n",
 244                        (void *)fault_addr, *(uint_t *)error_code);
 245 #endif
 246             if (info->shdw_pg_mode == SHADOW_PAGING) {
 247                 if (v3_handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
 248                     return -1;
 249                 }
 250             } else {
 251                 PrintError("Page fault in un implemented paging mode\n");
 252                 return -1;
 253             }
 254             break;
 255         }
 256         case VMEXIT_NPF: {
 257             addr_t fault_addr = guest_ctrl->exit_info2;
 258             pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
 259
 260             if (info->shdw_pg_mode == NESTED_PAGING) {
 261                 if (v3_handle_nested_pagefault(info, fault_addr, *error_code) == -1) {
 262                     return -1;
 263                 }
 264             } else {
 265                 PrintError("Currently unhandled Nested Page Fault\n");
 266                 return -1;
 267                     }
 268             break;
 269             }
 270         case VMEXIT_INVLPG:
 271             if (info->shdw_pg_mode == SHADOW_PAGING) {
 272 #ifdef DEBUG_SHADOW_PAGING
 273                 PrintDebug("Invlpg\n");
 274 #endif
 275                 if (v3_handle_shadow_invlpg(info) == -1) {
 276                     return -1;
 277                 }
 278             }
 279             break;
 280         case VMEXIT_VMMCALL:
 281             /*
 282              * Hypercall
 283              */
 284
 285             if (v3_handle_hypercall(info) == -1) {
 286                 return -1;
 287             }
 288
 289             // VMMCALL is a 3 byte op
 290             info->rip += 3;
 291             break;
 292         case VMEXIT_INTR:
 293             // handled by interrupt dispatch earlier
 294             break;
 295         case VMEXIT_SMI:
 296             //   handle_svm_smi(info); // ignored for now
 297             break;
 298         case VMEXIT_HLT:
 299 #ifdef DEBUG_HALT
 300             PrintDebug("Guest halted\n");
 301 #endif
 302             if (v3_handle_svm_halt(info) == -1) {
 303                 return -1;
 304             }
 305             break;
 306         case VMEXIT_PAUSE:
 307             //PrintDebug("Guest paused\n");
 308             if (v3_handle_svm_pause(info) == -1) {
 309                 return -1;
 310             }
 311             break;
 312         case VMEXIT_WBINVD:
 313 #ifdef DEBUG_EMULATOR
 314             PrintDebug("WBINVD\n");
 315 #endif
 316             if (v3_handle_svm_wbinvd(info) == -1) {
 317                 return -1;
 318             }
 319             break;
 320
 321
 322
 323
 324
 325             /* Exits Following this line are NOT HANDLED */
 326             /*=======================================================================*/
 327
 328         default: {
 329
 330             addr_t rip_addr;
 331
 332             PrintDebug("Unhandled SVM Exit: %s\n", vmexit_code_to_str(exit_code));
 333
 334             rip_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
 335
 336
 337             PrintError("SVM Returned:(VMCB=%p)\n", (void *)(info->vmm_data));
 338             PrintError("RIP: %p\n", (void *)(addr_t)(guest_state->rip));
 339             PrintError("RIP Linear: %p\n", (void *)(addr_t)(rip_addr));
 340
 341             PrintError("SVM Returned: Exit Code: %p\n", (void *)(addr_t)exit_code);
 342
 343             PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
 344             PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
 345
 346             PrintError("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
 347             PrintError("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
 348
 349
 350             if (info->shdw_pg_mode == SHADOW_PAGING) {
 351                 PrintHostPageTables(info, info->ctrl_regs.cr3);
 352                 //PrintGuestPageTables(info, info->shdw_pg_state.guest_cr3);
 353             }
 354
 355             return -1;
 356         }
 357     }
 358     // END OF SWITCH (EXIT_CODE)
 359
 360
 361     if (info->enable_profiler) {
 362         rdtscll(info->profiler.end_time);
 363         v3_profile_exit(info, exit_code);
 364     }
 365
 366
 367
 368     // Update the low level state
 369     if (info->intr_state.irq_pending == 1) {
 370
 371         guest_ctrl->guest_ctrl.V_IRQ = 1;
 372         guest_ctrl->guest_ctrl.V_INTR_VECTOR = info->intr_state.irq_vector;
 373         guest_ctrl->guest_ctrl.V_IGN_TPR = 1;
 374         guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
 375
 376     } else if (v3_excp_pending(info)) {
 377         uint_t excp = v3_get_excp_number(info);
 378
 379         guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
 380
 381         if (info->excp_state.excp_error_code_valid) {
 382             guest_ctrl->EVENTINJ.error_code = info->excp_state.excp_error_code;
 383             guest_ctrl->EVENTINJ.ev = 1;
 384 #ifdef DEBUG_INTERRUPTS
 385             PrintDebug("Injecting exception %d with error code %x\n", excp, guest_ctrl->EVENTINJ.error_code);
 386 #endif
 387         }
 388
 389         guest_ctrl->EVENTINJ.vector = excp;
 390
 391         guest_ctrl->EVENTINJ.valid = 1;
 392 #ifdef DEBUG_INTERRUPTS
 393         PrintDebug("Injecting Exception %d (EIP=%p)\n",
 394                    guest_ctrl->EVENTINJ.vector,
 395                    (void *)(addr_t)info->rip);
 396 #endif
 397         v3_injecting_excp(info, excp);
 398     } else if (v3_intr_pending(info)) {
 399
 400         switch (v3_get_intr_type(info)) {
 401             case EXTERNAL_IRQ: {
 402                 uint_t irq = v3_get_intr_number(info);
 403
 404                 // check to see if ==-1 (non exists)
 405
 406
 407                 guest_ctrl->guest_ctrl.V_IRQ = 1;
 408                 guest_ctrl->guest_ctrl.V_INTR_VECTOR = irq;
 409                 guest_ctrl->guest_ctrl.V_IGN_TPR = 1;
 410                 guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
 411
 412 #ifdef DEBUG_INTERRUPTS
 413                 PrintDebug("Injecting Interrupt %d (EIP=%p)\n",
 414                            guest_ctrl->guest_ctrl.V_INTR_VECTOR,
 415                            (void *)(addr_t)info->rip);
 416 #endif
 417
 418                 info->intr_state.irq_pending = 1;
 419                 info->intr_state.irq_vector = irq;
 420
 421                 break;
 422             }
 423             case NMI:
 424                 guest_ctrl->EVENTINJ.type = SVM_INJECTION_NMI;
 425                 break;
 426             case SOFTWARE_INTR:
 427                 guest_ctrl->EVENTINJ.type = SVM_INJECTION_SOFT_INTR;
 428                 break;
 429             case VIRTUAL_INTR:
 430                 guest_ctrl->EVENTINJ.type = SVM_INJECTION_VIRTUAL_INTR;
 431                 break;
 432
 433             case INVALID_INTR:
 434             default:
 435                 PrintError("Attempted to issue an invalid interrupt\n");
 436                 return -1;
 437         }
 438
 439     }
 440
 441
 442     guest_state->cr0 = info->ctrl_regs.cr0;
 443     guest_state->cr2 = info->ctrl_regs.cr2;
 444     guest_state->cr3 = info->ctrl_regs.cr3;
 445     guest_state->cr4 = info->ctrl_regs.cr4;
 446     guest_state->dr6 = info->dbg_regs.dr6;
 447     guest_state->dr7 = info->dbg_regs.dr7;
 448     guest_ctrl->guest_ctrl.V_TPR = info->ctrl_regs.cr8 & 0xff;
 449     guest_state->rflags = info->ctrl_regs.rflags;
 450     guest_state->efer = info->ctrl_regs.efer;
 451
 452     guest_state->cpl = info->cpl;
 453
 454     guest_state->rax = info->vm_regs.rax;
 455     guest_state->rip = info->rip;
 456     guest_state->rsp = info->vm_regs.rsp;
 457
 458
 459     set_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
 460
 461     if (exit_code == VMEXIT_INTR) {
 462         //PrintDebug("INTR ret IP = %x\n", guest_state->rip);
 463     }
 464
 465     return 0;
 466 }
 467
 468
 469 static const char VMEXIT_CR0_READ_STR[] = "VMEXIT_CR0_READ";
 470 static const char VMEXIT_CR1_READ_STR[] = "VMEXIT_CR1_READ";
 471 static const char VMEXIT_CR2_READ_STR[] = "VMEXIT_CR2_READ";
 472 static const char VMEXIT_CR3_READ_STR[] = "VMEXIT_CR3_READ";
 473 static const char VMEXIT_CR4_READ_STR[] = "VMEXIT_CR4_READ";
 474 static const char VMEXIT_CR5_READ_STR[] = "VMEXIT_CR5_READ";
 475 static const char VMEXIT_CR6_READ_STR[] = "VMEXIT_CR6_READ";
 476 static const char VMEXIT_CR7_READ_STR[] = "VMEXIT_CR7_READ";
 477 static const char VMEXIT_CR8_READ_STR[] = "VMEXIT_CR8_READ";
 478 static const char VMEXIT_CR9_READ_STR[] = "VMEXIT_CR9_READ";
 479 static const char VMEXIT_CR10_READ_STR[] = "VMEXIT_CR10_READ";
 480 static const char VMEXIT_CR11_READ_STR[] = "VMEXIT_CR11_READ";
 481 static const char VMEXIT_CR12_READ_STR[] = "VMEXIT_CR12_READ";
 482 static const char VMEXIT_CR13_READ_STR[] = "VMEXIT_CR13_READ";
 483 static const char VMEXIT_CR14_READ_STR[] = "VMEXIT_CR14_READ";
 484 static const char VMEXIT_CR15_READ_STR[] = "VMEXIT_CR15_READ";
 485 static const char VMEXIT_CR0_WRITE_STR[] = "VMEXIT_CR0_WRITE";
 486 static const char VMEXIT_CR1_WRITE_STR[] = "VMEXIT_CR1_WRITE";
 487 static const char VMEXIT_CR2_WRITE_STR[] = "VMEXIT_CR2_WRITE";
 488 static const char VMEXIT_CR3_WRITE_STR[] = "VMEXIT_CR3_WRITE";
 489 static const char VMEXIT_CR4_WRITE_STR[] = "VMEXIT_CR4_WRITE";
 490 static const char VMEXIT_CR5_WRITE_STR[] = "VMEXIT_CR5_WRITE";
 491 static const char VMEXIT_CR6_WRITE_STR[] = "VMEXIT_CR6_WRITE";
 492 static const char VMEXIT_CR7_WRITE_STR[] = "VMEXIT_CR7_WRITE";
 493 static const char VMEXIT_CR8_WRITE_STR[] = "VMEXIT_CR8_WRITE";
 494 static const char VMEXIT_CR9_WRITE_STR[] = "VMEXIT_CR9_WRITE";
 495 static const char VMEXIT_CR10_WRITE_STR[] = "VMEXIT_CR10_WRITE";
 496 static const char VMEXIT_CR11_WRITE_STR[] = "VMEXIT_CR11_WRITE";
 497 static const char VMEXIT_CR12_WRITE_STR[] = "VMEXIT_CR12_WRITE";
 498 static const char VMEXIT_CR13_WRITE_STR[] = "VMEXIT_CR13_WRITE";
 499 static const char VMEXIT_CR14_WRITE_STR[] = "VMEXIT_CR14_WRITE";
 500 static const char VMEXIT_CR15_WRITE_STR[] = "VMEXIT_CR15_WRITE";
 501 static const char VMEXIT_DR0_READ_STR[] = "VMEXIT_DR0_READ";
 502 static const char VMEXIT_DR1_READ_STR[] = "VMEXIT_DR1_READ";
 503 static const char VMEXIT_DR2_READ_STR[] = "VMEXIT_DR2_READ";
 504 static const char VMEXIT_DR3_READ_STR[] = "VMEXIT_DR3_READ";
 505 static const char VMEXIT_DR4_READ_STR[] = "VMEXIT_DR4_READ";
 506 static const char VMEXIT_DR5_READ_STR[] = "VMEXIT_DR5_READ";
 507 static const char VMEXIT_DR6_READ_STR[] = "VMEXIT_DR6_READ";
 508 static const char VMEXIT_DR7_READ_STR[] = "VMEXIT_DR7_READ";
 509 static const char VMEXIT_DR8_READ_STR[] = "VMEXIT_DR8_READ";
 510 static const char VMEXIT_DR9_READ_STR[] = "VMEXIT_DR9_READ";
 511 static const char VMEXIT_DR10_READ_STR[] = "VMEXIT_DR10_READ";
 512 static const char VMEXIT_DR11_READ_STR[] = "VMEXIT_DR11_READ";
 513 static const char VMEXIT_DR12_READ_STR[] = "VMEXIT_DR12_READ";
 514 static const char VMEXIT_DR13_READ_STR[] = "VMEXIT_DR13_READ";
 515 static const char VMEXIT_DR14_READ_STR[] = "VMEXIT_DR14_READ";
 516 static const char VMEXIT_DR15_READ_STR[] = "VMEXIT_DR15_READ";
 517 static const char VMEXIT_DR0_WRITE_STR[] = "VMEXIT_DR0_WRITE";
 518 static const char VMEXIT_DR1_WRITE_STR[] = "VMEXIT_DR1_WRITE";
 519 static const char VMEXIT_DR2_WRITE_STR[] = "VMEXIT_DR2_WRITE";
 520 static const char VMEXIT_DR3_WRITE_STR[] = "VMEXIT_DR3_WRITE";
 521 static const char VMEXIT_DR4_WRITE_STR[] = "VMEXIT_DR4_WRITE";
 522 static const char VMEXIT_DR5_WRITE_STR[] = "VMEXIT_DR5_WRITE";
 523 static const char VMEXIT_DR6_WRITE_STR[] = "VMEXIT_DR6_WRITE";
 524 static const char VMEXIT_DR7_WRITE_STR[] = "VMEXIT_DR7_WRITE";
 525 static const char VMEXIT_DR8_WRITE_STR[] = "VMEXIT_DR8_WRITE";
 526 static const char VMEXIT_DR9_WRITE_STR[] = "VMEXIT_DR9_WRITE";
 527 static const char VMEXIT_DR10_WRITE_STR[] = "VMEXIT_DR10_WRITE";
 528 static const char VMEXIT_DR11_WRITE_STR[] = "VMEXIT_DR11_WRITE";
 529 static const char VMEXIT_DR12_WRITE_STR[] = "VMEXIT_DR12_WRITE";
 530 static const char VMEXIT_DR13_WRITE_STR[] = "VMEXIT_DR13_WRITE";
 531 static const char VMEXIT_DR14_WRITE_STR[] = "VMEXIT_DR14_WRITE";
 532 static const char VMEXIT_DR15_WRITE_STR[] = "VMEXIT_DR15_WRITE";
 533 static const char VMEXIT_EXCP0_STR[] = "VMEXIT_EXCP0";
 534 static const char VMEXIT_EXCP1_STR[] = "VMEXIT_EXCP1";
 535 static const char VMEXIT_EXCP2_STR[] = "VMEXIT_EXCP2";
 536 static const char VMEXIT_EXCP3_STR[] = "VMEXIT_EXCP3";
 537 static const char VMEXIT_EXCP4_STR[] = "VMEXIT_EXCP4";
 538 static const char VMEXIT_EXCP5_STR[] = "VMEXIT_EXCP5";
 539 static const char VMEXIT_EXCP6_STR[] = "VMEXIT_EXCP6";
 540 static const char VMEXIT_EXCP7_STR[] = "VMEXIT_EXCP7";
 541 static const char VMEXIT_EXCP8_STR[] = "VMEXIT_EXCP8";
 542 static const char VMEXIT_EXCP9_STR[] = "VMEXIT_EXCP9";
 543 static const char VMEXIT_EXCP10_STR[] = "VMEXIT_EXCP10";
 544 static const char VMEXIT_EXCP11_STR[] = "VMEXIT_EXCP11";
 545 static const char VMEXIT_EXCP12_STR[] = "VMEXIT_EXCP12";
 546 static const char VMEXIT_EXCP13_STR[] = "VMEXIT_EXCP13";
 547 static const char VMEXIT_EXCP14_STR[] = "VMEXIT_EXCP14";
 548 static const char VMEXIT_EXCP15_STR[] = "VMEXIT_EXCP15";
 549 static const char VMEXIT_EXCP16_STR[] = "VMEXIT_EXCP16";
 550 static const char VMEXIT_EXCP17_STR[] = "VMEXIT_EXCP17";
 551 static const char VMEXIT_EXCP18_STR[] = "VMEXIT_EXCP18";
 552 static const char VMEXIT_EXCP19_STR[] = "VMEXIT_EXCP19";
 553 static const char VMEXIT_EXCP20_STR[] = "VMEXIT_EXCP20";
 554 static const char VMEXIT_EXCP21_STR[] = "VMEXIT_EXCP21";
 555 static const char VMEXIT_EXCP22_STR[] = "VMEXIT_EXCP22";
 556 static const char VMEXIT_EXCP23_STR[] = "VMEXIT_EXCP23";
 557 static const char VMEXIT_EXCP24_STR[] = "VMEXIT_EXCP24";
 558 static const char VMEXIT_EXCP25_STR[] = "VMEXIT_EXCP25";
 559 static const char VMEXIT_EXCP26_STR[] = "VMEXIT_EXCP26";
 560 static const char VMEXIT_EXCP27_STR[] = "VMEXIT_EXCP27";
 561 static const char VMEXIT_EXCP28_STR[] = "VMEXIT_EXCP28";
 562 static const char VMEXIT_EXCP29_STR[] = "VMEXIT_EXCP29";
 563 static const char VMEXIT_EXCP30_STR[] = "VMEXIT_EXCP30";
 564 static const char VMEXIT_EXCP31_STR[] = "VMEXIT_EXCP31";
 565 static const char VMEXIT_INTR_STR[] = "VMEXIT_INTR";
 566 static const char VMEXIT_NMI_STR[] = "VMEXIT_NMI";
 567 static const char VMEXIT_SMI_STR[] = "VMEXIT_SMI";
 568 static const char VMEXIT_INIT_STR[] = "VMEXIT_INIT";
 569 static const char VMEXIT_VINITR_STR[] = "VMEXIT_VINITR";
 570 static const char VMEXIT_CR0_SEL_WRITE_STR[] = "VMEXIT_CR0_SEL_WRITE";
 571 static const char VMEXIT_IDTR_READ_STR[] = "VMEXIT_IDTR_READ";
 572 static const char VMEXIT_GDTR_READ_STR[] = "VMEXIT_GDTR_READ";
 573 static const char VMEXIT_LDTR_READ_STR[] = "VMEXIT_LDTR_READ";
 574 static const char VMEXIT_TR_READ_STR[] = "VMEXIT_TR_READ";
 575 static const char VMEXIT_IDTR_WRITE_STR[] = "VMEXIT_IDTR_WRITE";
 576 static const char VMEXIT_GDTR_WRITE_STR[] = "VMEXIT_GDTR_WRITE";
 577 static const char VMEXIT_LDTR_WRITE_STR[] = "VMEXIT_LDTR_WRITE";
 578 static const char VMEXIT_TR_WRITE_STR[] = "VMEXIT_TR_WRITE";
 579 static const char VMEXIT_RDTSC_STR[] = "VMEXIT_RDTSC";
 580 static const char VMEXIT_RDPMC_STR[] = "VMEXIT_RDPMC";
 581 static const char VMEXIT_PUSHF_STR[] = "VMEXIT_PUSHF";
 582 static const char VMEXIT_POPF_STR[] = "VMEXIT_POPF";
 583 static const char VMEXIT_CPUID_STR[] = "VMEXIT_CPUID";
 584 static const char VMEXIT_RSM_STR[] = "VMEXIT_RSM";
 585 static const char VMEXIT_IRET_STR[] = "VMEXIT_IRET";
 586 static const char VMEXIT_SWINT_STR[] = "VMEXIT_SWINT";
 587 static const char VMEXIT_INVD_STR[] = "VMEXIT_INVD";
 588 static const char VMEXIT_PAUSE_STR[] = "VMEXIT_PAUSE";
 589 static const char VMEXIT_HLT_STR[] = "VMEXIT_HLT";
 590 static const char VMEXIT_INVLPG_STR[] = "VMEXIT_INVLPG";
 591 static const char VMEXIT_INVLPGA_STR[] = "VMEXIT_INVLPGA";
 592 static const char VMEXIT_IOIO_STR[] = "VMEXIT_IOIO";
 593 static const char VMEXIT_MSR_STR[] = "VMEXIT_MSR";
 594 static const char VMEXIT_TASK_SWITCH_STR[] = "VMEXIT_TASK_SWITCH";
 595 static const char VMEXIT_FERR_FREEZE_STR[] = "VMEXIT_FERR_FREEZE";
 596 static const char VMEXIT_SHUTDOWN_STR[] = "VMEXIT_SHUTDOWN";
 597 static const char VMEXIT_VMRUN_STR[] = "VMEXIT_VMRUN";
 598 static const char VMEXIT_VMMCALL_STR[] = "VMEXIT_VMMCALL";
 599 static const char VMEXIT_VMLOAD_STR[] = "VMEXIT_VMLOAD";
 600 static const char VMEXIT_VMSAVE_STR[] = "VMEXIT_VMSAVE";
 601 static const char VMEXIT_STGI_STR[] = "VMEXIT_STGI";
 602 static const char VMEXIT_CLGI_STR[] = "VMEXIT_CLGI";
 603 static const char VMEXIT_SKINIT_STR[] = "VMEXIT_SKINIT";
 604 static const char VMEXIT_RDTSCP_STR[] = "VMEXIT_RDTSCP";
 605 static const char VMEXIT_ICEBP_STR[] = "VMEXIT_ICEBP";
 606 static const char VMEXIT_WBINVD_STR[] = "VMEXIT_WBINVD";
 607 static const char VMEXIT_MONITOR_STR[] = "VMEXIT_MONITOR";
 608 static const char VMEXIT_MWAIT_STR[] = "VMEXIT_MWAIT";
 609 static const char VMEXIT_MWAIT_CONDITIONAL_STR[] = "VMEXIT_MWAIT_CONDITIONAL";
 610 static const char VMEXIT_NPF_STR[] = "VMEXIT_NPF";
 611 static const char VMEXIT_INVALID_VMCB_STR[] = "VMEXIT_INVALID_VMCB";
 612
 613
 614
 615 const char * vmexit_code_to_str(uint_t exit_code) {
 616     switch(exit_code) {
 617         case VMEXIT_CR0_READ:
 618             return VMEXIT_CR0_READ_STR;
 619         case VMEXIT_CR1_READ:
 620             return VMEXIT_CR1_READ_STR;
 621         case VMEXIT_CR2_READ:
 622             return VMEXIT_CR2_READ_STR;
 623         case VMEXIT_CR3_READ:
 624             return VMEXIT_CR3_READ_STR;
 625         case VMEXIT_CR4_READ:
 626             return VMEXIT_CR4_READ_STR;
 627         case VMEXIT_CR5_READ:
 628             return VMEXIT_CR5_READ_STR;
 629         case VMEXIT_CR6_READ:
 630             return VMEXIT_CR6_READ_STR;
 631         case VMEXIT_CR7_READ:
 632             return VMEXIT_CR7_READ_STR;
 633         case VMEXIT_CR8_READ:
 634             return VMEXIT_CR8_READ_STR;
 635         case VMEXIT_CR9_READ:
 636             return VMEXIT_CR9_READ_STR;
 637         case VMEXIT_CR10_READ:
 638             return VMEXIT_CR10_READ_STR;
 639         case VMEXIT_CR11_READ:
 640             return VMEXIT_CR11_READ_STR;
 641         case VMEXIT_CR12_READ:
 642             return VMEXIT_CR12_READ_STR;
 643         case VMEXIT_CR13_READ:
 644             return VMEXIT_CR13_READ_STR;
 645         case VMEXIT_CR14_READ:
 646             return VMEXIT_CR14_READ_STR;
 647         case VMEXIT_CR15_READ:
 648             return VMEXIT_CR15_READ_STR;
 649         case VMEXIT_CR0_WRITE:
 650             return VMEXIT_CR0_WRITE_STR;
 651         case VMEXIT_CR1_WRITE:
 652             return VMEXIT_CR1_WRITE_STR;
 653         case VMEXIT_CR2_WRITE:
 654             return VMEXIT_CR2_WRITE_STR;
 655         case VMEXIT_CR3_WRITE:
 656             return VMEXIT_CR3_WRITE_STR;
 657         case VMEXIT_CR4_WRITE:
 658             return VMEXIT_CR4_WRITE_STR;
 659         case VMEXIT_CR5_WRITE:
 660             return VMEXIT_CR5_WRITE_STR;
 661         case VMEXIT_CR6_WRITE:
 662             return VMEXIT_CR6_WRITE_STR;
 663         case VMEXIT_CR7_WRITE:
 664             return VMEXIT_CR7_WRITE_STR;
 665         case VMEXIT_CR8_WRITE:
 666             return VMEXIT_CR8_WRITE_STR;
 667         case VMEXIT_CR9_WRITE:
 668             return VMEXIT_CR9_WRITE_STR;
 669         case VMEXIT_CR10_WRITE:
 670             return VMEXIT_CR10_WRITE_STR;
 671         case VMEXIT_CR11_WRITE:
 672             return VMEXIT_CR11_WRITE_STR;
 673         case VMEXIT_CR12_WRITE:
 674             return VMEXIT_CR12_WRITE_STR;
 675         case VMEXIT_CR13_WRITE:
 676             return VMEXIT_CR13_WRITE_STR;
 677         case VMEXIT_CR14_WRITE:
 678             return VMEXIT_CR14_WRITE_STR;
 679         case VMEXIT_CR15_WRITE:
 680             return VMEXIT_CR15_WRITE_STR;
 681         case VMEXIT_DR0_READ:
 682             return VMEXIT_DR0_READ_STR;
 683         case VMEXIT_DR1_READ:
 684             return VMEXIT_DR1_READ_STR;
 685         case VMEXIT_DR2_READ:
 686             return VMEXIT_DR2_READ_STR;
 687         case VMEXIT_DR3_READ:
 688             return VMEXIT_DR3_READ_STR;
 689         case VMEXIT_DR4_READ:
 690             return VMEXIT_DR4_READ_STR;
 691         case VMEXIT_DR5_READ:
 692             return VMEXIT_DR5_READ_STR;
 693         case VMEXIT_DR6_READ:
 694             return VMEXIT_DR6_READ_STR;
 695         case VMEXIT_DR7_READ:
 696             return VMEXIT_DR7_READ_STR;
 697         case VMEXIT_DR8_READ:
 698             return VMEXIT_DR8_READ_STR;
 699         case VMEXIT_DR9_READ:
 700             return VMEXIT_DR9_READ_STR;
 701         case VMEXIT_DR10_READ:
 702             return VMEXIT_DR10_READ_STR;
 703         case VMEXIT_DR11_READ:
 704             return VMEXIT_DR11_READ_STR;
 705         case VMEXIT_DR12_READ:
 706             return VMEXIT_DR12_READ_STR;
 707         case VMEXIT_DR13_READ:
 708             return VMEXIT_DR13_READ_STR;
 709         case VMEXIT_DR14_READ:
 710             return VMEXIT_DR14_READ_STR;
 711         case VMEXIT_DR15_READ:
 712             return VMEXIT_DR15_READ_STR;
 713         case VMEXIT_DR0_WRITE:
 714             return VMEXIT_DR0_WRITE_STR;
 715         case VMEXIT_DR1_WRITE:
 716             return VMEXIT_DR1_WRITE_STR;
 717         case VMEXIT_DR2_WRITE:
 718             return VMEXIT_DR2_WRITE_STR;
 719         case VMEXIT_DR3_WRITE:
 720             return VMEXIT_DR3_WRITE_STR;
 721         case VMEXIT_DR4_WRITE:
 722             return VMEXIT_DR4_WRITE_STR;
 723         case VMEXIT_DR5_WRITE:
 724             return VMEXIT_DR5_WRITE_STR;
 725         case VMEXIT_DR6_WRITE:
 726             return VMEXIT_DR6_WRITE_STR;
 727         case VMEXIT_DR7_WRITE:
 728             return VMEXIT_DR7_WRITE_STR;
 729         case VMEXIT_DR8_WRITE:
 730             return VMEXIT_DR8_WRITE_STR;
 731         case VMEXIT_DR9_WRITE:
 732             return VMEXIT_DR9_WRITE_STR;
 733         case VMEXIT_DR10_WRITE:
 734             return VMEXIT_DR10_WRITE_STR;
 735         case VMEXIT_DR11_WRITE:
 736             return VMEXIT_DR11_WRITE_STR;
 737         case VMEXIT_DR12_WRITE:
 738             return VMEXIT_DR12_WRITE_STR;
 739         case VMEXIT_DR13_WRITE:
 740             return VMEXIT_DR13_WRITE_STR;
 741         case VMEXIT_DR14_WRITE:
 742             return VMEXIT_DR14_WRITE_STR;
 743         case VMEXIT_DR15_WRITE:
 744             return VMEXIT_DR15_WRITE_STR;
 745         case VMEXIT_EXCP0:
 746             return VMEXIT_EXCP0_STR;
 747         case VMEXIT_EXCP1:
 748             return VMEXIT_EXCP1_STR;
 749         case VMEXIT_EXCP2:
 750             return VMEXIT_EXCP2_STR;
 751         case VMEXIT_EXCP3:
 752             return VMEXIT_EXCP3_STR;
 753         case VMEXIT_EXCP4:
 754             return VMEXIT_EXCP4_STR;
 755         case VMEXIT_EXCP5:
 756             return VMEXIT_EXCP5_STR;
 757         case VMEXIT_EXCP6:
 758             return VMEXIT_EXCP6_STR;
 759         case VMEXIT_EXCP7:
 760             return VMEXIT_EXCP7_STR;
 761         case VMEXIT_EXCP8:
 762             return VMEXIT_EXCP8_STR;
 763         case VMEXIT_EXCP9:
 764             return VMEXIT_EXCP9_STR;
 765         case VMEXIT_EXCP10:
 766             return VMEXIT_EXCP10_STR;
 767         case VMEXIT_EXCP11:
 768             return VMEXIT_EXCP11_STR;
 769         case VMEXIT_EXCP12:
 770             return VMEXIT_EXCP12_STR;
 771         case VMEXIT_EXCP13:
 772             return VMEXIT_EXCP13_STR;
 773         case VMEXIT_EXCP14:
 774             return VMEXIT_EXCP14_STR;
 775         case VMEXIT_EXCP15:
 776             return VMEXIT_EXCP15_STR;
 777         case VMEXIT_EXCP16:
 778             return VMEXIT_EXCP16_STR;
 779         case VMEXIT_EXCP17:
 780             return VMEXIT_EXCP17_STR;
 781         case VMEXIT_EXCP18:
 782             return VMEXIT_EXCP18_STR;
 783         case VMEXIT_EXCP19:
 784             return VMEXIT_EXCP19_STR;
 785         case VMEXIT_EXCP20:
 786             return VMEXIT_EXCP20_STR;
 787         case VMEXIT_EXCP21:
 788             return VMEXIT_EXCP21_STR;
 789         case VMEXIT_EXCP22:
 790             return VMEXIT_EXCP22_STR;
 791         case VMEXIT_EXCP23:
 792             return VMEXIT_EXCP23_STR;
 793         case VMEXIT_EXCP24:
 794             return VMEXIT_EXCP24_STR;
 795         case VMEXIT_EXCP25:
 796             return VMEXIT_EXCP25_STR;
 797         case VMEXIT_EXCP26:
 798             return VMEXIT_EXCP26_STR;
 799         case VMEXIT_EXCP27:
 800             return VMEXIT_EXCP27_STR;
 801         case VMEXIT_EXCP28:
 802             return VMEXIT_EXCP28_STR;
 803         case VMEXIT_EXCP29:
 804             return VMEXIT_EXCP29_STR;
 805         case VMEXIT_EXCP30:
 806             return VMEXIT_EXCP30_STR;
 807         case VMEXIT_EXCP31:
 808             return VMEXIT_EXCP31_STR;
 809         case VMEXIT_INTR:
 810             return VMEXIT_INTR_STR;
 811         case VMEXIT_NMI:
 812             return VMEXIT_NMI_STR;
 813         case VMEXIT_SMI:
 814             return VMEXIT_SMI_STR;
 815         case VMEXIT_INIT:
 816             return VMEXIT_INIT_STR;
 817         case VMEXIT_VINITR:
 818             return VMEXIT_VINITR_STR;
 819         case VMEXIT_CR0_SEL_WRITE:
 820             return VMEXIT_CR0_SEL_WRITE_STR;
 821         case VMEXIT_IDTR_READ:
 822             return VMEXIT_IDTR_READ_STR;
 823         case VMEXIT_GDTR_READ:
 824             return VMEXIT_GDTR_READ_STR;
 825         case VMEXIT_LDTR_READ:
 826             return VMEXIT_LDTR_READ_STR;
 827         case VMEXIT_TR_READ:
 828             return VMEXIT_TR_READ_STR;
 829         case VMEXIT_IDTR_WRITE:
 830             return VMEXIT_IDTR_WRITE_STR;
 831         case VMEXIT_GDTR_WRITE:
 832             return VMEXIT_GDTR_WRITE_STR;
 833         case VMEXIT_LDTR_WRITE:
 834             return VMEXIT_LDTR_WRITE_STR;
 835         case VMEXIT_TR_WRITE:
 836             return VMEXIT_TR_WRITE_STR;
 837         case VMEXIT_RDTSC:
 838             return VMEXIT_RDTSC_STR;
 839         case VMEXIT_RDPMC:
 840             return VMEXIT_RDPMC_STR;
 841         case VMEXIT_PUSHF:
 842             return VMEXIT_PUSHF_STR;
 843         case VMEXIT_POPF:
 844             return VMEXIT_POPF_STR;
 845         case VMEXIT_CPUID:
 846             return VMEXIT_CPUID_STR;
 847         case VMEXIT_RSM:
 848             return VMEXIT_RSM_STR;
 849         case VMEXIT_IRET:
 850             return VMEXIT_IRET_STR;
 851         case VMEXIT_SWINT:
 852             return VMEXIT_SWINT_STR;
 853         case VMEXIT_INVD:
 854             return VMEXIT_INVD_STR;
 855         case VMEXIT_PAUSE:
 856             return VMEXIT_PAUSE_STR;
 857         case VMEXIT_HLT:
 858             return VMEXIT_HLT_STR;
 859         case VMEXIT_INVLPG:
 860             return VMEXIT_INVLPG_STR;
 861         case VMEXIT_INVLPGA:
 862             return VMEXIT_INVLPGA_STR;
 863         case VMEXIT_IOIO:
 864             return VMEXIT_IOIO_STR;
 865         case VMEXIT_MSR:
 866             return VMEXIT_MSR_STR;
 867         case VMEXIT_TASK_SWITCH:
 868             return VMEXIT_TASK_SWITCH_STR;
 869         case VMEXIT_FERR_FREEZE:
 870             return VMEXIT_FERR_FREEZE_STR;
 871         case VMEXIT_SHUTDOWN:
 872             return VMEXIT_SHUTDOWN_STR;
 873         case VMEXIT_VMRUN:
 874             return VMEXIT_VMRUN_STR;
 875         case VMEXIT_VMMCALL:
 876             return VMEXIT_VMMCALL_STR;
 877         case VMEXIT_VMLOAD:
 878             return VMEXIT_VMLOAD_STR;
 879         case VMEXIT_VMSAVE:
 880             return VMEXIT_VMSAVE_STR;
 881         case VMEXIT_STGI:
 882             return VMEXIT_STGI_STR;
 883         case VMEXIT_CLGI:
 884             return VMEXIT_CLGI_STR;
 885         case VMEXIT_SKINIT:
 886             return VMEXIT_SKINIT_STR;
 887         case VMEXIT_RDTSCP:
 888             return VMEXIT_RDTSCP_STR;
 889         case VMEXIT_ICEBP:
 890             return VMEXIT_ICEBP_STR;
 891         case VMEXIT_WBINVD:
 892             return VMEXIT_WBINVD_STR;
 893         case VMEXIT_MONITOR:
 894             return VMEXIT_MONITOR_STR;
 895         case VMEXIT_MWAIT:
 896             return VMEXIT_MWAIT_STR;
 897         case VMEXIT_MWAIT_CONDITIONAL:
 898             return VMEXIT_MWAIT_CONDITIONAL_STR;
 899         case VMEXIT_NPF:
 900             return VMEXIT_NPF_STR;
 901         case VMEXIT_INVALID_VMCB:
 902             return VMEXIT_INVALID_VMCB_STR;
 903     }
 904     return NULL;
 905 }