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_vm_cpu_mode(info);
  68     info->mem_mode = v3_get_vm_mem_mode(info);
  69
  70
  71     exit_code = guest_ctrl->exit_code;
  72
  73
  74     //    PrintDebug("SVM Exit: %s (rip=%p) (info1=%p)\n", vmexit_code_to_str(exit_code),
  75     //         (void *)(addr_t)info->rip, (void *)(addr_t)guest_ctrl->exit_info1);
  76
  77     if ((info->intr_state.irq_pending == 1) && (guest_ctrl->guest_ctrl.V_IRQ == 0)) {
  78
  79 #ifdef DEBUG_INTERRUPTS
  80         PrintDebug("INTAK cycle completed for irq %d\n", info->intr_state.irq_vector);
  81 #endif
  82
  83         info->intr_state.irq_started = 1;
  84         info->intr_state.irq_pending = 0;
  85
  86         v3_injecting_intr(info, info->intr_state.irq_vector, EXTERNAL_IRQ);
  87     }
  88
  89     if ((info->intr_state.irq_started == 1) && (guest_ctrl->exit_int_info.valid == 0)) {
  90 #ifdef DEBUG_INTERRUPTS
  91         PrintDebug("Interrupt %d taken by guest\n", info->intr_state.irq_vector);
  92 #endif
  93
  94         // Interrupt was taken fully vectored
  95         info->intr_state.irq_started = 0;
  96
  97     } else {
  98 #ifdef DEBUG_INTERRUPTS
  99         PrintDebug("EXIT INT INFO is set (vec=%d)\n", guest_ctrl->exit_int_info.vector);
 100 #endif
 101     }
 102
 103
 104
 105
 106     // Disable printing io exits due to bochs debug messages
 107     //if (!((exit_code == VMEXIT_IOIO) && ((ushort_t)(guest_ctrl->exit_info1 >> 16) == 0x402))) {
 108
 109
 110     if ((0) && (exit_code <= VMEXIT_EXCP14)) {
 111         uchar_t instr[32];
 112         int ret;
 113         // Dump out the instr stream
 114
 115         //PrintDebug("RIP: %x\n", guest_state->rip);
 116         PrintDebug("\n\n\nRIP Linear: %p\n", (void *)get_addr_linear(info, info->rip, &(info->segments.cs)));
 117
 118         v3_print_GPRs(info);
 119         v3_print_ctrl_regs(info);
 120
 121
 122         // OK, now we will read the instruction
 123         // The only difference between PROTECTED and PROTECTED_PG is whether we read
 124         // from guest_pa or guest_va
 125         if (info->mem_mode == PHYSICAL_MEM) {
 126             // The real rip address is actually a combination of the rip + CS base
 127             ret = read_guest_pa_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
 128         } else {
 129             ret = read_guest_va_memory(info, get_addr_linear(info, info->rip, &(info->segments.cs)), 32, instr);
 130         }
 131
 132
 133
 134         if (ret != 32) {
 135             // I think we should inject a GPF into the guest
 136             PrintDebug("Could not read instruction (ret=%d)\n", ret);
 137         } else {
 138             PrintDebug("Instr Stream:\n");
 139             PrintTraceMemDump(instr, 32);
 140         }
 141     }
 142
 143
 144
 145     if (info->enable_profiler) {
 146         rdtscll(info->profiler.start_time);
 147     }
 148
 149
 150     //PrintDebug("SVM Returned: Exit Code: %x\n",exit_code);
 151
 152     switch (exit_code) {
 153         case VMEXIT_IOIO: {
 154             struct svm_io_info * io_info = (struct svm_io_info *)&(guest_ctrl->exit_info1);
 155
 156             if (io_info->type == 0) {
 157                 if (io_info->str) {
 158
 159                     if (v3_handle_svm_io_outs(info) == -1 ) {
 160                         return -1;
 161                     }
 162                 } else {
 163                     if (v3_handle_svm_io_out(info) == -1) {
 164                         return -1;
 165                     }
 166                 }
 167
 168             } else {
 169
 170                 if (io_info->str) {
 171                     if (v3_handle_svm_io_ins(info) == -1) {
 172                         return -1;
 173                     }
 174                 } else {
 175                     if (v3_handle_svm_io_in(info) == -1) {
 176                         return -1;
 177                     }
 178                 }
 179
 180             }
 181             break;
 182         }
 183         case VMEXIT_MSR:
 184             if (guest_ctrl->exit_info1 == 0) {
 185                 if (v3_handle_msr_read(info) == -1) {
 186                     return -1;
 187                 }
 188             } else if (guest_ctrl->exit_info1 == 1) {
 189                 if (v3_handle_msr_write(info) == -1) {
 190                     return -1;
 191                 }
 192             } else {
 193                 PrintError("Invalid MSR Operation\n");
 194                 return -1;
 195             }
 196
 197             break;
 198         case VMEXIT_CR0_WRITE:
 199 #ifdef DEBUG_CTRL_REGS
 200             PrintDebug("CR0 Write\n");
 201 #endif
 202             if (v3_handle_cr0_write(info) == -1) {
 203                 return -1;
 204             }
 205             break;
 206         case VMEXIT_CR0_READ:
 207 #ifdef DEBUG_CTRL_REGS
 208             PrintDebug("CR0 Read\n");
 209 #endif
 210             if (v3_handle_cr0_read(info) == -1) {
 211                 return -1;
 212             }
 213             break;
 214         case VMEXIT_CR3_WRITE:
 215 #ifdef DEBUG_CTRL_REGS
 216             PrintDebug("CR3 Write\n");
 217 #endif
 218             if (v3_handle_cr3_write(info) == -1) {
 219                 return -1;
 220             }
 221             break;
 222         case  VMEXIT_CR3_READ:
 223 #ifdef DEBUG_CTRL_REGS
 224             PrintDebug("CR3 Read\n");
 225 #endif
 226             if (v3_handle_cr3_read(info) == -1) {
 227                 return -1;
 228             }
 229             break;
 230         case VMEXIT_CR4_WRITE:
 231 #ifdef DEBUG_CTRL_REGS
 232             PrintDebug("CR4 Write\n");
 233 #endif
 234             if (v3_handle_cr4_write(info) == -1) {
 235                 return -1;
 236             }
 237             break;
 238         case  VMEXIT_CR4_READ:
 239 #ifdef DEBUG_CTRL_REGS
 240             PrintDebug("CR4 Read\n");
 241 #endif
 242             if (v3_handle_cr4_read(info) == -1) {
 243                 return -1;
 244             }
 245             break;
 246         case VMEXIT_EXCP14: {
 247             addr_t fault_addr = guest_ctrl->exit_info2;
 248             pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
 249 #ifdef DEBUG_SHADOW_PAGING
 250             PrintDebug("PageFault at %p (error=%d)\n",
 251                        (void *)fault_addr, *(uint_t *)error_code);
 252 #endif
 253             if (info->shdw_pg_mode == SHADOW_PAGING) {
 254                 if (v3_handle_shadow_pagefault(info, fault_addr, *error_code) == -1) {
 255                     return -1;
 256                 }
 257             } else {
 258                 PrintError("Page fault in un implemented paging mode\n");
 259                 return -1;
 260             }
 261             break;
 262         }
 263         case VMEXIT_NPF: {
 264             addr_t fault_addr = guest_ctrl->exit_info2;
 265             pf_error_t * error_code = (pf_error_t *)&(guest_ctrl->exit_info1);
 266
 267             if (info->shdw_pg_mode == NESTED_PAGING) {
 268                 if (v3_handle_nested_pagefault(info, fault_addr, *error_code) == -1) {
 269                     return -1;
 270                 }
 271             } else {
 272                 PrintError("Currently unhandled Nested Page Fault\n");
 273                 return -1;
 274                     }
 275             break;
 276             }
 277         case VMEXIT_INVLPG:
 278             if (info->shdw_pg_mode == SHADOW_PAGING) {
 279 #ifdef DEBUG_SHADOW_PAGING
 280                 PrintDebug("Invlpg\n");
 281 #endif
 282                 if (v3_handle_shadow_invlpg(info) == -1) {
 283                     return -1;
 284                 }
 285             }
 286             break;
 287         case VMEXIT_VMMCALL:
 288             /*
 289              * Hypercall
 290              */
 291
 292             if (v3_handle_hypercall(info) == -1) {
 293                 return -1;
 294             }
 295
 296             // VMMCALL is a 3 byte op
 297             info->rip += 3;
 298             break;
 299         case VMEXIT_INTR:
 300             // handled by interrupt dispatch earlier
 301             break;
 302         case VMEXIT_SMI:
 303             //   handle_svm_smi(info); // ignored for now
 304             break;
 305         case VMEXIT_HLT:
 306 #ifdef DEBUG_HALT
 307             PrintDebug("Guest halted\n");
 308 #endif
 309             if (v3_handle_svm_halt(info) == -1) {
 310                 return -1;
 311             }
 312             break;
 313         case VMEXIT_PAUSE:
 314             //PrintDebug("Guest paused\n");
 315             if (v3_handle_svm_pause(info) == -1) {
 316                 return -1;
 317             }
 318             break;
 319         case VMEXIT_WBINVD:
 320 #ifdef DEBUG_EMULATOR
 321             PrintDebug("WBINVD\n");
 322 #endif
 323             if (v3_handle_svm_wbinvd(info) == -1) {
 324                 return -1;
 325             }
 326             break;
 327
 328
 329
 330
 331
 332             /* Exits Following this line are NOT HANDLED */
 333             /*=======================================================================*/
 334
 335         default: {
 336
 337             addr_t rip_addr;
 338
 339             PrintDebug("Unhandled SVM Exit: %s\n", vmexit_code_to_str(exit_code));
 340
 341             rip_addr = get_addr_linear(info, guest_state->rip, &(info->segments.cs));
 342
 343
 344             PrintError("SVM Returned:(VMCB=%p)\n", (void *)(info->vmm_data));
 345             PrintError("RIP: %p\n", (void *)(addr_t)(guest_state->rip));
 346             PrintError("RIP Linear: %p\n", (void *)(addr_t)(rip_addr));
 347
 348             PrintError("SVM Returned: Exit Code: %p\n", (void *)(addr_t)exit_code);
 349
 350             PrintError("io_info1 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info1));
 351             PrintError("io_info1 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info1)) + 4));
 352
 353             PrintError("io_info2 low = 0x%.8x\n", *(uint_t*)&(guest_ctrl->exit_info2));
 354             PrintError("io_info2 high = 0x%.8x\n", *(uint_t *)(((uchar_t *)&(guest_ctrl->exit_info2)) + 4));
 355
 356
 357             if (info->shdw_pg_mode == SHADOW_PAGING) {
 358                 //      PrintHostPageTables(info, info->ctrl_regs.cr3);
 359                 //PrintGuestPageTables(info, info->shdw_pg_state.guest_cr3);
 360             }
 361
 362             return -1;
 363         }
 364     }
 365     // END OF SWITCH (EXIT_CODE)
 366
 367
 368     if (info->enable_profiler) {
 369         rdtscll(info->profiler.end_time);
 370         v3_profile_exit(info, exit_code);
 371     }
 372
 373
 374
 375     if (v3_excp_pending(info)) {
 376         uint_t excp = v3_get_excp_number(info);
 377
 378         guest_ctrl->EVENTINJ.type = SVM_INJECTION_EXCEPTION;
 379
 380         if (info->excp_state.excp_error_code_valid) {
 381             guest_ctrl->EVENTINJ.error_code = info->excp_state.excp_error_code;
 382             guest_ctrl->EVENTINJ.ev = 1;
 383 #ifdef DEBUG_INTERRUPTS
 384             PrintDebug("Injecting exception %d with error code %x\n", excp, guest_ctrl->EVENTINJ.error_code);
 385 #endif
 386         }
 387
 388         guest_ctrl->EVENTINJ.vector = excp;
 389
 390         guest_ctrl->EVENTINJ.valid = 1;
 391 #ifdef DEBUG_INTERRUPTS
 392         PrintDebug("Injecting Exception %d (EIP=%p)\n",
 393                    guest_ctrl->EVENTINJ.vector,
 394                    (void *)(addr_t)info->rip);
 395 #endif
 396         v3_injecting_excp(info, excp);
 397     } else if (info->intr_state.irq_started == 1) {
 398 #ifdef DEBUG_INTERRUPTS
 399         PrintDebug("IRQ pending from previous injection\n");
 400 #endif
 401         guest_ctrl->guest_ctrl.V_IRQ = 1;
 402         guest_ctrl->guest_ctrl.V_INTR_VECTOR = info->intr_state.irq_vector;
 403         guest_ctrl->guest_ctrl.V_IGN_TPR = 1;
 404         guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
 405
 406     } else if (v3_intr_pending(info)) {
 407
 408         switch (v3_get_intr_type(info)) {
 409             case EXTERNAL_IRQ: {
 410                 uint_t irq = v3_get_intr_number(info);
 411
 412                 // check to see if ==-1 (non exists)
 413
 414
 415                 guest_ctrl->guest_ctrl.V_IRQ = 1;
 416                 guest_ctrl->guest_ctrl.V_INTR_VECTOR = irq;
 417                 guest_ctrl->guest_ctrl.V_IGN_TPR = 1;
 418                 guest_ctrl->guest_ctrl.V_INTR_PRIO = 0xf;
 419
 420 #ifdef DEBUG_INTERRUPTS
 421                 PrintDebug("Injecting Interrupt %d (EIP=%p)\n",
 422                            guest_ctrl->guest_ctrl.V_INTR_VECTOR,
 423                            (void *)(addr_t)info->rip);
 424 #endif
 425
 426                 info->intr_state.irq_pending = 1;
 427                 info->intr_state.irq_vector = irq;
 428
 429                 break;
 430             }
 431             case NMI:
 432                 guest_ctrl->EVENTINJ.type = SVM_INJECTION_NMI;
 433                 break;
 434             case SOFTWARE_INTR:
 435                 guest_ctrl->EVENTINJ.type = SVM_INJECTION_SOFT_INTR;
 436                 break;
 437             case VIRTUAL_INTR:
 438                 guest_ctrl->EVENTINJ.type = SVM_INJECTION_VIRTUAL_INTR;
 439                 break;
 440
 441             case INVALID_INTR:
 442             default:
 443                 PrintError("Attempted to issue an invalid interrupt\n");
 444                 return -1;
 445         }
 446
 447     } else {
 448         //PrintDebug("Not interrupts or exceptions pending\n");
 449     }
 450
 451
 452     guest_state->cr0 = info->ctrl_regs.cr0;
 453     guest_state->cr2 = info->ctrl_regs.cr2;
 454     guest_state->cr3 = info->ctrl_regs.cr3;
 455     guest_state->cr4 = info->ctrl_regs.cr4;
 456     guest_state->dr6 = info->dbg_regs.dr6;
 457     guest_state->dr7 = info->dbg_regs.dr7;
 458     guest_ctrl->guest_ctrl.V_TPR = info->ctrl_regs.cr8 & 0xff;
 459     guest_state->rflags = info->ctrl_regs.rflags;
 460     guest_state->efer = info->ctrl_regs.efer;
 461
 462     guest_state->cpl = info->cpl;
 463
 464     guest_state->rax = info->vm_regs.rax;
 465     guest_state->rip = info->rip;
 466     guest_state->rsp = info->vm_regs.rsp;
 467
 468
 469     set_vmcb_segments((vmcb_t*)(info->vmm_data), &(info->segments));
 470
 471     if (exit_code == VMEXIT_INTR) {
 472         //PrintDebug("INTR ret IP = %x\n", guest_state->rip);
 473     }
 474
 475     return 0;
 476 }
 477
 478
 479 static const char VMEXIT_CR0_READ_STR[] = "VMEXIT_CR0_READ";
 480 static const char VMEXIT_CR1_READ_STR[] = "VMEXIT_CR1_READ";
 481 static const char VMEXIT_CR2_READ_STR[] = "VMEXIT_CR2_READ";
 482 static const char VMEXIT_CR3_READ_STR[] = "VMEXIT_CR3_READ";
 483 static const char VMEXIT_CR4_READ_STR[] = "VMEXIT_CR4_READ";
 484 static const char VMEXIT_CR5_READ_STR[] = "VMEXIT_CR5_READ";
 485 static const char VMEXIT_CR6_READ_STR[] = "VMEXIT_CR6_READ";
 486 static const char VMEXIT_CR7_READ_STR[] = "VMEXIT_CR7_READ";
 487 static const char VMEXIT_CR8_READ_STR[] = "VMEXIT_CR8_READ";
 488 static const char VMEXIT_CR9_READ_STR[] = "VMEXIT_CR9_READ";
 489 static const char VMEXIT_CR10_READ_STR[] = "VMEXIT_CR10_READ";
 490 static const char VMEXIT_CR11_READ_STR[] = "VMEXIT_CR11_READ";
 491 static const char VMEXIT_CR12_READ_STR[] = "VMEXIT_CR12_READ";
 492 static const char VMEXIT_CR13_READ_STR[] = "VMEXIT_CR13_READ";
 493 static const char VMEXIT_CR14_READ_STR[] = "VMEXIT_CR14_READ";
 494 static const char VMEXIT_CR15_READ_STR[] = "VMEXIT_CR15_READ";
 495 static const char VMEXIT_CR0_WRITE_STR[] = "VMEXIT_CR0_WRITE";
 496 static const char VMEXIT_CR1_WRITE_STR[] = "VMEXIT_CR1_WRITE";
 497 static const char VMEXIT_CR2_WRITE_STR[] = "VMEXIT_CR2_WRITE";
 498 static const char VMEXIT_CR3_WRITE_STR[] = "VMEXIT_CR3_WRITE";
 499 static const char VMEXIT_CR4_WRITE_STR[] = "VMEXIT_CR4_WRITE";
 500 static const char VMEXIT_CR5_WRITE_STR[] = "VMEXIT_CR5_WRITE";
 501 static const char VMEXIT_CR6_WRITE_STR[] = "VMEXIT_CR6_WRITE";
 502 static const char VMEXIT_CR7_WRITE_STR[] = "VMEXIT_CR7_WRITE";
 503 static const char VMEXIT_CR8_WRITE_STR[] = "VMEXIT_CR8_WRITE";
 504 static const char VMEXIT_CR9_WRITE_STR[] = "VMEXIT_CR9_WRITE";
 505 static const char VMEXIT_CR10_WRITE_STR[] = "VMEXIT_CR10_WRITE";
 506 static const char VMEXIT_CR11_WRITE_STR[] = "VMEXIT_CR11_WRITE";
 507 static const char VMEXIT_CR12_WRITE_STR[] = "VMEXIT_CR12_WRITE";
 508 static const char VMEXIT_CR13_WRITE_STR[] = "VMEXIT_CR13_WRITE";
 509 static const char VMEXIT_CR14_WRITE_STR[] = "VMEXIT_CR14_WRITE";
 510 static const char VMEXIT_CR15_WRITE_STR[] = "VMEXIT_CR15_WRITE";
 511 static const char VMEXIT_DR0_READ_STR[] = "VMEXIT_DR0_READ";
 512 static const char VMEXIT_DR1_READ_STR[] = "VMEXIT_DR1_READ";
 513 static const char VMEXIT_DR2_READ_STR[] = "VMEXIT_DR2_READ";
 514 static const char VMEXIT_DR3_READ_STR[] = "VMEXIT_DR3_READ";
 515 static const char VMEXIT_DR4_READ_STR[] = "VMEXIT_DR4_READ";
 516 static const char VMEXIT_DR5_READ_STR[] = "VMEXIT_DR5_READ";
 517 static const char VMEXIT_DR6_READ_STR[] = "VMEXIT_DR6_READ";
 518 static const char VMEXIT_DR7_READ_STR[] = "VMEXIT_DR7_READ";
 519 static const char VMEXIT_DR8_READ_STR[] = "VMEXIT_DR8_READ";
 520 static const char VMEXIT_DR9_READ_STR[] = "VMEXIT_DR9_READ";
 521 static const char VMEXIT_DR10_READ_STR[] = "VMEXIT_DR10_READ";
 522 static const char VMEXIT_DR11_READ_STR[] = "VMEXIT_DR11_READ";
 523 static const char VMEXIT_DR12_READ_STR[] = "VMEXIT_DR12_READ";
 524 static const char VMEXIT_DR13_READ_STR[] = "VMEXIT_DR13_READ";
 525 static const char VMEXIT_DR14_READ_STR[] = "VMEXIT_DR14_READ";
 526 static const char VMEXIT_DR15_READ_STR[] = "VMEXIT_DR15_READ";
 527 static const char VMEXIT_DR0_WRITE_STR[] = "VMEXIT_DR0_WRITE";
 528 static const char VMEXIT_DR1_WRITE_STR[] = "VMEXIT_DR1_WRITE";
 529 static const char VMEXIT_DR2_WRITE_STR[] = "VMEXIT_DR2_WRITE";
 530 static const char VMEXIT_DR3_WRITE_STR[] = "VMEXIT_DR3_WRITE";
 531 static const char VMEXIT_DR4_WRITE_STR[] = "VMEXIT_DR4_WRITE";
 532 static const char VMEXIT_DR5_WRITE_STR[] = "VMEXIT_DR5_WRITE";
 533 static const char VMEXIT_DR6_WRITE_STR[] = "VMEXIT_DR6_WRITE";
 534 static const char VMEXIT_DR7_WRITE_STR[] = "VMEXIT_DR7_WRITE";
 535 static const char VMEXIT_DR8_WRITE_STR[] = "VMEXIT_DR8_WRITE";
 536 static const char VMEXIT_DR9_WRITE_STR[] = "VMEXIT_DR9_WRITE";
 537 static const char VMEXIT_DR10_WRITE_STR[] = "VMEXIT_DR10_WRITE";
 538 static const char VMEXIT_DR11_WRITE_STR[] = "VMEXIT_DR11_WRITE";
 539 static const char VMEXIT_DR12_WRITE_STR[] = "VMEXIT_DR12_WRITE";
 540 static const char VMEXIT_DR13_WRITE_STR[] = "VMEXIT_DR13_WRITE";
 541 static const char VMEXIT_DR14_WRITE_STR[] = "VMEXIT_DR14_WRITE";
 542 static const char VMEXIT_DR15_WRITE_STR[] = "VMEXIT_DR15_WRITE";
 543 static const char VMEXIT_EXCP0_STR[] = "VMEXIT_EXCP0";
 544 static const char VMEXIT_EXCP1_STR[] = "VMEXIT_EXCP1";
 545 static const char VMEXIT_EXCP2_STR[] = "VMEXIT_EXCP2";
 546 static const char VMEXIT_EXCP3_STR[] = "VMEXIT_EXCP3";
 547 static const char VMEXIT_EXCP4_STR[] = "VMEXIT_EXCP4";
 548 static const char VMEXIT_EXCP5_STR[] = "VMEXIT_EXCP5";
 549 static const char VMEXIT_EXCP6_STR[] = "VMEXIT_EXCP6";
 550 static const char VMEXIT_EXCP7_STR[] = "VMEXIT_EXCP7";
 551 static const char VMEXIT_EXCP8_STR[] = "VMEXIT_EXCP8";
 552 static const char VMEXIT_EXCP9_STR[] = "VMEXIT_EXCP9";
 553 static const char VMEXIT_EXCP10_STR[] = "VMEXIT_EXCP10";
 554 static const char VMEXIT_EXCP11_STR[] = "VMEXIT_EXCP11";
 555 static const char VMEXIT_EXCP12_STR[] = "VMEXIT_EXCP12";
 556 static const char VMEXIT_EXCP13_STR[] = "VMEXIT_EXCP13";
 557 static const char VMEXIT_EXCP14_STR[] = "VMEXIT_EXCP14";
 558 static const char VMEXIT_EXCP15_STR[] = "VMEXIT_EXCP15";
 559 static const char VMEXIT_EXCP16_STR[] = "VMEXIT_EXCP16";
 560 static const char VMEXIT_EXCP17_STR[] = "VMEXIT_EXCP17";
 561 static const char VMEXIT_EXCP18_STR[] = "VMEXIT_EXCP18";
 562 static const char VMEXIT_EXCP19_STR[] = "VMEXIT_EXCP19";
 563 static const char VMEXIT_EXCP20_STR[] = "VMEXIT_EXCP20";
 564 static const char VMEXIT_EXCP21_STR[] = "VMEXIT_EXCP21";
 565 static const char VMEXIT_EXCP22_STR[] = "VMEXIT_EXCP22";
 566 static const char VMEXIT_EXCP23_STR[] = "VMEXIT_EXCP23";
 567 static const char VMEXIT_EXCP24_STR[] = "VMEXIT_EXCP24";
 568 static const char VMEXIT_EXCP25_STR[] = "VMEXIT_EXCP25";
 569 static const char VMEXIT_EXCP26_STR[] = "VMEXIT_EXCP26";
 570 static const char VMEXIT_EXCP27_STR[] = "VMEXIT_EXCP27";
 571 static const char VMEXIT_EXCP28_STR[] = "VMEXIT_EXCP28";
 572 static const char VMEXIT_EXCP29_STR[] = "VMEXIT_EXCP29";
 573 static const char VMEXIT_EXCP30_STR[] = "VMEXIT_EXCP30";
 574 static const char VMEXIT_EXCP31_STR[] = "VMEXIT_EXCP31";
 575 static const char VMEXIT_INTR_STR[] = "VMEXIT_INTR";
 576 static const char VMEXIT_NMI_STR[] = "VMEXIT_NMI";
 577 static const char VMEXIT_SMI_STR[] = "VMEXIT_SMI";
 578 static const char VMEXIT_INIT_STR[] = "VMEXIT_INIT";
 579 static const char VMEXIT_VINITR_STR[] = "VMEXIT_VINITR";
 580 static const char VMEXIT_CR0_SEL_WRITE_STR[] = "VMEXIT_CR0_SEL_WRITE";
 581 static const char VMEXIT_IDTR_READ_STR[] = "VMEXIT_IDTR_READ";
 582 static const char VMEXIT_GDTR_READ_STR[] = "VMEXIT_GDTR_READ";
 583 static const char VMEXIT_LDTR_READ_STR[] = "VMEXIT_LDTR_READ";
 584 static const char VMEXIT_TR_READ_STR[] = "VMEXIT_TR_READ";
 585 static const char VMEXIT_IDTR_WRITE_STR[] = "VMEXIT_IDTR_WRITE";
 586 static const char VMEXIT_GDTR_WRITE_STR[] = "VMEXIT_GDTR_WRITE";
 587 static const char VMEXIT_LDTR_WRITE_STR[] = "VMEXIT_LDTR_WRITE";
 588 static const char VMEXIT_TR_WRITE_STR[] = "VMEXIT_TR_WRITE";
 589 static const char VMEXIT_RDTSC_STR[] = "VMEXIT_RDTSC";
 590 static const char VMEXIT_RDPMC_STR[] = "VMEXIT_RDPMC";
 591 static const char VMEXIT_PUSHF_STR[] = "VMEXIT_PUSHF";
 592 static const char VMEXIT_POPF_STR[] = "VMEXIT_POPF";
 593 static const char VMEXIT_CPUID_STR[] = "VMEXIT_CPUID";
 594 static const char VMEXIT_RSM_STR[] = "VMEXIT_RSM";
 595 static const char VMEXIT_IRET_STR[] = "VMEXIT_IRET";
 596 static const char VMEXIT_SWINT_STR[] = "VMEXIT_SWINT";
 597 static const char VMEXIT_INVD_STR[] = "VMEXIT_INVD";
 598 static const char VMEXIT_PAUSE_STR[] = "VMEXIT_PAUSE";
 599 static const char VMEXIT_HLT_STR[] = "VMEXIT_HLT";
 600 static const char VMEXIT_INVLPG_STR[] = "VMEXIT_INVLPG";
 601 static const char VMEXIT_INVLPGA_STR[] = "VMEXIT_INVLPGA";
 602 static const char VMEXIT_IOIO_STR[] = "VMEXIT_IOIO";
 603 static const char VMEXIT_MSR_STR[] = "VMEXIT_MSR";
 604 static const char VMEXIT_TASK_SWITCH_STR[] = "VMEXIT_TASK_SWITCH";
 605 static const char VMEXIT_FERR_FREEZE_STR[] = "VMEXIT_FERR_FREEZE";
 606 static const char VMEXIT_SHUTDOWN_STR[] = "VMEXIT_SHUTDOWN";
 607 static const char VMEXIT_VMRUN_STR[] = "VMEXIT_VMRUN";
 608 static const char VMEXIT_VMMCALL_STR[] = "VMEXIT_VMMCALL";
 609 static const char VMEXIT_VMLOAD_STR[] = "VMEXIT_VMLOAD";
 610 static const char VMEXIT_VMSAVE_STR[] = "VMEXIT_VMSAVE";
 611 static const char VMEXIT_STGI_STR[] = "VMEXIT_STGI";
 612 static const char VMEXIT_CLGI_STR[] = "VMEXIT_CLGI";
 613 static const char VMEXIT_SKINIT_STR[] = "VMEXIT_SKINIT";
 614 static const char VMEXIT_RDTSCP_STR[] = "VMEXIT_RDTSCP";
 615 static const char VMEXIT_ICEBP_STR[] = "VMEXIT_ICEBP";
 616 static const char VMEXIT_WBINVD_STR[] = "VMEXIT_WBINVD";
 617 static const char VMEXIT_MONITOR_STR[] = "VMEXIT_MONITOR";
 618 static const char VMEXIT_MWAIT_STR[] = "VMEXIT_MWAIT";
 619 static const char VMEXIT_MWAIT_CONDITIONAL_STR[] = "VMEXIT_MWAIT_CONDITIONAL";
 620 static const char VMEXIT_NPF_STR[] = "VMEXIT_NPF";
 621 static const char VMEXIT_INVALID_VMCB_STR[] = "VMEXIT_INVALID_VMCB";
 622
 623
 624
 625 const char * vmexit_code_to_str(uint_t exit_code) {
 626     switch(exit_code) {
 627         case VMEXIT_CR0_READ:
 628             return VMEXIT_CR0_READ_STR;
 629         case VMEXIT_CR1_READ:
 630             return VMEXIT_CR1_READ_STR;
 631         case VMEXIT_CR2_READ:
 632             return VMEXIT_CR2_READ_STR;
 633         case VMEXIT_CR3_READ:
 634             return VMEXIT_CR3_READ_STR;
 635         case VMEXIT_CR4_READ:
 636             return VMEXIT_CR4_READ_STR;
 637         case VMEXIT_CR5_READ:
 638             return VMEXIT_CR5_READ_STR;
 639         case VMEXIT_CR6_READ:
 640             return VMEXIT_CR6_READ_STR;
 641         case VMEXIT_CR7_READ:
 642             return VMEXIT_CR7_READ_STR;
 643         case VMEXIT_CR8_READ:
 644             return VMEXIT_CR8_READ_STR;
 645         case VMEXIT_CR9_READ:
 646             return VMEXIT_CR9_READ_STR;
 647         case VMEXIT_CR10_READ:
 648             return VMEXIT_CR10_READ_STR;
 649         case VMEXIT_CR11_READ:
 650             return VMEXIT_CR11_READ_STR;
 651         case VMEXIT_CR12_READ:
 652             return VMEXIT_CR12_READ_STR;
 653         case VMEXIT_CR13_READ:
 654             return VMEXIT_CR13_READ_STR;
 655         case VMEXIT_CR14_READ:
 656             return VMEXIT_CR14_READ_STR;
 657         case VMEXIT_CR15_READ:
 658             return VMEXIT_CR15_READ_STR;
 659         case VMEXIT_CR0_WRITE:
 660             return VMEXIT_CR0_WRITE_STR;
 661         case VMEXIT_CR1_WRITE:
 662             return VMEXIT_CR1_WRITE_STR;
 663         case VMEXIT_CR2_WRITE:
 664             return VMEXIT_CR2_WRITE_STR;
 665         case VMEXIT_CR3_WRITE:
 666             return VMEXIT_CR3_WRITE_STR;
 667         case VMEXIT_CR4_WRITE:
 668             return VMEXIT_CR4_WRITE_STR;
 669         case VMEXIT_CR5_WRITE:
 670             return VMEXIT_CR5_WRITE_STR;
 671         case VMEXIT_CR6_WRITE:
 672             return VMEXIT_CR6_WRITE_STR;
 673         case VMEXIT_CR7_WRITE:
 674             return VMEXIT_CR7_WRITE_STR;
 675         case VMEXIT_CR8_WRITE:
 676             return VMEXIT_CR8_WRITE_STR;
 677         case VMEXIT_CR9_WRITE:
 678             return VMEXIT_CR9_WRITE_STR;
 679         case VMEXIT_CR10_WRITE:
 680             return VMEXIT_CR10_WRITE_STR;
 681         case VMEXIT_CR11_WRITE:
 682             return VMEXIT_CR11_WRITE_STR;
 683         case VMEXIT_CR12_WRITE:
 684             return VMEXIT_CR12_WRITE_STR;
 685         case VMEXIT_CR13_WRITE:
 686             return VMEXIT_CR13_WRITE_STR;
 687         case VMEXIT_CR14_WRITE:
 688             return VMEXIT_CR14_WRITE_STR;
 689         case VMEXIT_CR15_WRITE:
 690             return VMEXIT_CR15_WRITE_STR;
 691         case VMEXIT_DR0_READ:
 692             return VMEXIT_DR0_READ_STR;
 693         case VMEXIT_DR1_READ:
 694             return VMEXIT_DR1_READ_STR;
 695         case VMEXIT_DR2_READ:
 696             return VMEXIT_DR2_READ_STR;
 697         case VMEXIT_DR3_READ:
 698             return VMEXIT_DR3_READ_STR;
 699         case VMEXIT_DR4_READ:
 700             return VMEXIT_DR4_READ_STR;
 701         case VMEXIT_DR5_READ:
 702             return VMEXIT_DR5_READ_STR;
 703         case VMEXIT_DR6_READ:
 704             return VMEXIT_DR6_READ_STR;
 705         case VMEXIT_DR7_READ:
 706             return VMEXIT_DR7_READ_STR;
 707         case VMEXIT_DR8_READ:
 708             return VMEXIT_DR8_READ_STR;
 709         case VMEXIT_DR9_READ:
 710             return VMEXIT_DR9_READ_STR;
 711         case VMEXIT_DR10_READ:
 712             return VMEXIT_DR10_READ_STR;
 713         case VMEXIT_DR11_READ:
 714             return VMEXIT_DR11_READ_STR;
 715         case VMEXIT_DR12_READ:
 716             return VMEXIT_DR12_READ_STR;
 717         case VMEXIT_DR13_READ:
 718             return VMEXIT_DR13_READ_STR;
 719         case VMEXIT_DR14_READ:
 720             return VMEXIT_DR14_READ_STR;
 721         case VMEXIT_DR15_READ:
 722             return VMEXIT_DR15_READ_STR;
 723         case VMEXIT_DR0_WRITE:
 724             return VMEXIT_DR0_WRITE_STR;
 725         case VMEXIT_DR1_WRITE:
 726             return VMEXIT_DR1_WRITE_STR;
 727         case VMEXIT_DR2_WRITE:
 728             return VMEXIT_DR2_WRITE_STR;
 729         case VMEXIT_DR3_WRITE:
 730             return VMEXIT_DR3_WRITE_STR;
 731         case VMEXIT_DR4_WRITE:
 732             return VMEXIT_DR4_WRITE_STR;
 733         case VMEXIT_DR5_WRITE:
 734             return VMEXIT_DR5_WRITE_STR;
 735         case VMEXIT_DR6_WRITE:
 736             return VMEXIT_DR6_WRITE_STR;
 737         case VMEXIT_DR7_WRITE:
 738             return VMEXIT_DR7_WRITE_STR;
 739         case VMEXIT_DR8_WRITE:
 740             return VMEXIT_DR8_WRITE_STR;
 741         case VMEXIT_DR9_WRITE:
 742             return VMEXIT_DR9_WRITE_STR;
 743         case VMEXIT_DR10_WRITE:
 744             return VMEXIT_DR10_WRITE_STR;
 745         case VMEXIT_DR11_WRITE:
 746             return VMEXIT_DR11_WRITE_STR;
 747         case VMEXIT_DR12_WRITE:
 748             return VMEXIT_DR12_WRITE_STR;
 749         case VMEXIT_DR13_WRITE:
 750             return VMEXIT_DR13_WRITE_STR;
 751         case VMEXIT_DR14_WRITE:
 752             return VMEXIT_DR14_WRITE_STR;
 753         case VMEXIT_DR15_WRITE:
 754             return VMEXIT_DR15_WRITE_STR;
 755         case VMEXIT_EXCP0:
 756             return VMEXIT_EXCP0_STR;
 757         case VMEXIT_EXCP1:
 758             return VMEXIT_EXCP1_STR;
 759         case VMEXIT_EXCP2:
 760             return VMEXIT_EXCP2_STR;
 761         case VMEXIT_EXCP3:
 762             return VMEXIT_EXCP3_STR;
 763         case VMEXIT_EXCP4:
 764             return VMEXIT_EXCP4_STR;
 765         case VMEXIT_EXCP5:
 766             return VMEXIT_EXCP5_STR;
 767         case VMEXIT_EXCP6:
 768             return VMEXIT_EXCP6_STR;
 769         case VMEXIT_EXCP7:
 770             return VMEXIT_EXCP7_STR;
 771         case VMEXIT_EXCP8:
 772             return VMEXIT_EXCP8_STR;
 773         case VMEXIT_EXCP9:
 774             return VMEXIT_EXCP9_STR;
 775         case VMEXIT_EXCP10:
 776             return VMEXIT_EXCP10_STR;
 777         case VMEXIT_EXCP11:
 778             return VMEXIT_EXCP11_STR;
 779         case VMEXIT_EXCP12:
 780             return VMEXIT_EXCP12_STR;
 781         case VMEXIT_EXCP13:
 782             return VMEXIT_EXCP13_STR;
 783         case VMEXIT_EXCP14:
 784             return VMEXIT_EXCP14_STR;
 785         case VMEXIT_EXCP15:
 786             return VMEXIT_EXCP15_STR;
 787         case VMEXIT_EXCP16:
 788             return VMEXIT_EXCP16_STR;
 789         case VMEXIT_EXCP17:
 790             return VMEXIT_EXCP17_STR;
 791         case VMEXIT_EXCP18:
 792             return VMEXIT_EXCP18_STR;
 793         case VMEXIT_EXCP19:
 794             return VMEXIT_EXCP19_STR;
 795         case VMEXIT_EXCP20:
 796             return VMEXIT_EXCP20_STR;
 797         case VMEXIT_EXCP21:
 798             return VMEXIT_EXCP21_STR;
 799         case VMEXIT_EXCP22:
 800             return VMEXIT_EXCP22_STR;
 801         case VMEXIT_EXCP23:
 802             return VMEXIT_EXCP23_STR;
 803         case VMEXIT_EXCP24:
 804             return VMEXIT_EXCP24_STR;
 805         case VMEXIT_EXCP25:
 806             return VMEXIT_EXCP25_STR;
 807         case VMEXIT_EXCP26:
 808             return VMEXIT_EXCP26_STR;
 809         case VMEXIT_EXCP27:
 810             return VMEXIT_EXCP27_STR;
 811         case VMEXIT_EXCP28:
 812             return VMEXIT_EXCP28_STR;
 813         case VMEXIT_EXCP29:
 814             return VMEXIT_EXCP29_STR;
 815         case VMEXIT_EXCP30:
 816             return VMEXIT_EXCP30_STR;
 817         case VMEXIT_EXCP31:
 818             return VMEXIT_EXCP31_STR;
 819         case VMEXIT_INTR:
 820             return VMEXIT_INTR_STR;
 821         case VMEXIT_NMI:
 822             return VMEXIT_NMI_STR;
 823         case VMEXIT_SMI:
 824             return VMEXIT_SMI_STR;
 825         case VMEXIT_INIT:
 826             return VMEXIT_INIT_STR;
 827         case VMEXIT_VINITR:
 828             return VMEXIT_VINITR_STR;
 829         case VMEXIT_CR0_SEL_WRITE:
 830             return VMEXIT_CR0_SEL_WRITE_STR;
 831         case VMEXIT_IDTR_READ:
 832             return VMEXIT_IDTR_READ_STR;
 833         case VMEXIT_GDTR_READ:
 834             return VMEXIT_GDTR_READ_STR;
 835         case VMEXIT_LDTR_READ:
 836             return VMEXIT_LDTR_READ_STR;
 837         case VMEXIT_TR_READ:
 838             return VMEXIT_TR_READ_STR;
 839         case VMEXIT_IDTR_WRITE:
 840             return VMEXIT_IDTR_WRITE_STR;
 841         case VMEXIT_GDTR_WRITE:
 842             return VMEXIT_GDTR_WRITE_STR;
 843         case VMEXIT_LDTR_WRITE:
 844             return VMEXIT_LDTR_WRITE_STR;
 845         case VMEXIT_TR_WRITE:
 846             return VMEXIT_TR_WRITE_STR;
 847         case VMEXIT_RDTSC:
 848             return VMEXIT_RDTSC_STR;
 849         case VMEXIT_RDPMC:
 850             return VMEXIT_RDPMC_STR;
 851         case VMEXIT_PUSHF:
 852             return VMEXIT_PUSHF_STR;
 853         case VMEXIT_POPF:
 854             return VMEXIT_POPF_STR;
 855         case VMEXIT_CPUID:
 856             return VMEXIT_CPUID_STR;
 857         case VMEXIT_RSM:
 858             return VMEXIT_RSM_STR;
 859         case VMEXIT_IRET:
 860             return VMEXIT_IRET_STR;
 861         case VMEXIT_SWINT:
 862             return VMEXIT_SWINT_STR;
 863         case VMEXIT_INVD:
 864             return VMEXIT_INVD_STR;
 865         case VMEXIT_PAUSE:
 866             return VMEXIT_PAUSE_STR;
 867         case VMEXIT_HLT:
 868             return VMEXIT_HLT_STR;
 869         case VMEXIT_INVLPG:
 870             return VMEXIT_INVLPG_STR;
 871         case VMEXIT_INVLPGA:
 872             return VMEXIT_INVLPGA_STR;
 873         case VMEXIT_IOIO:
 874             return VMEXIT_IOIO_STR;
 875         case VMEXIT_MSR:
 876             return VMEXIT_MSR_STR;
 877         case VMEXIT_TASK_SWITCH:
 878             return VMEXIT_TASK_SWITCH_STR;
 879         case VMEXIT_FERR_FREEZE:
 880             return VMEXIT_FERR_FREEZE_STR;
 881         case VMEXIT_SHUTDOWN:
 882             return VMEXIT_SHUTDOWN_STR;
 883         case VMEXIT_VMRUN:
 884             return VMEXIT_VMRUN_STR;
 885         case VMEXIT_VMMCALL:
 886             return VMEXIT_VMMCALL_STR;
 887         case VMEXIT_VMLOAD:
 888             return VMEXIT_VMLOAD_STR;
 889         case VMEXIT_VMSAVE:
 890             return VMEXIT_VMSAVE_STR;
 891         case VMEXIT_STGI:
 892             return VMEXIT_STGI_STR;
 893         case VMEXIT_CLGI:
 894             return VMEXIT_CLGI_STR;
 895         case VMEXIT_SKINIT:
 896             return VMEXIT_SKINIT_STR;
 897         case VMEXIT_RDTSCP:
 898             return VMEXIT_RDTSCP_STR;
 899         case VMEXIT_ICEBP:
 900             return VMEXIT_ICEBP_STR;
 901         case VMEXIT_WBINVD:
 902             return VMEXIT_WBINVD_STR;
 903         case VMEXIT_MONITOR:
 904             return VMEXIT_MONITOR_STR;
 905         case VMEXIT_MWAIT:
 906             return VMEXIT_MWAIT_STR;
 907         case VMEXIT_MWAIT_CONDITIONAL:
 908             return VMEXIT_MWAIT_CONDITIONAL_STR;
 909         case VMEXIT_NPF:
 910             return VMEXIT_NPF_STR;
 911         case VMEXIT_INVALID_VMCB:
 912             return VMEXIT_INVALID_VMCB_STR;
 913     }
 914     return NULL;
 915 }