| 1 | /* $Id: DBGFCpu.cpp 57358 2015-08-14 15:16:38Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * DBGF - Debugger Facility, CPU State Accessors.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2009-2015 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 |
|
|---|
| 19 | /*********************************************************************************************************************************
|
|---|
| 20 | * Header Files *
|
|---|
| 21 | *********************************************************************************************************************************/
|
|---|
| 22 | #define LOG_GROUP LOG_GROUP_DBGF
|
|---|
| 23 | #include <VBox/vmm/dbgf.h>
|
|---|
| 24 | #include <VBox/vmm/cpum.h>
|
|---|
| 25 | #include "DBGFInternal.h"
|
|---|
| 26 | #include <VBox/vmm/vm.h>
|
|---|
| 27 | #include <VBox/vmm/uvm.h>
|
|---|
| 28 | #include <VBox/err.h>
|
|---|
| 29 | #include <VBox/log.h>
|
|---|
| 30 | #include <VBox/param.h>
|
|---|
| 31 | #include <iprt/assert.h>
|
|---|
| 32 |
|
|---|
| 33 |
|
|---|
| 34 | /**
|
|---|
| 35 | * Wrapper around CPUMGetGuestMode.
|
|---|
| 36 | *
|
|---|
| 37 | * @returns VINF_SUCCESS.
|
|---|
| 38 | * @param pVM Pointer to the VM.
|
|---|
| 39 | * @param idCpu The current CPU ID.
|
|---|
| 40 | * @param penmMode Where to return the mode.
|
|---|
| 41 | */
|
|---|
| 42 | static DECLCALLBACK(int) dbgfR3CpuGetMode(PVM pVM, VMCPUID idCpu, CPUMMODE *penmMode)
|
|---|
| 43 | {
|
|---|
| 44 | Assert(idCpu == VMMGetCpuId(pVM));
|
|---|
| 45 | PVMCPU pVCpu = VMMGetCpuById(pVM, idCpu);
|
|---|
| 46 | *penmMode = CPUMGetGuestMode(pVCpu);
|
|---|
| 47 | return VINF_SUCCESS;
|
|---|
| 48 | }
|
|---|
| 49 |
|
|---|
| 50 |
|
|---|
| 51 | /**
|
|---|
| 52 | * Get the current CPU mode.
|
|---|
| 53 | *
|
|---|
| 54 | * @returns The CPU mode on success, CPUMMODE_INVALID on failure.
|
|---|
| 55 | * @param pUVM The user mode VM handle.
|
|---|
| 56 | * @param idCpu The target CPU ID.
|
|---|
| 57 | */
|
|---|
| 58 | VMMR3DECL(CPUMMODE) DBGFR3CpuGetMode(PUVM pUVM, VMCPUID idCpu)
|
|---|
| 59 | {
|
|---|
| 60 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, CPUMMODE_INVALID);
|
|---|
| 61 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, CPUMMODE_INVALID);
|
|---|
| 62 | AssertReturn(idCpu < pUVM->pVM->cCpus, CPUMMODE_INVALID);
|
|---|
| 63 |
|
|---|
| 64 | CPUMMODE enmMode;
|
|---|
| 65 | int rc = VMR3ReqPriorityCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3CpuGetMode, 3, pUVM->pVM, idCpu, &enmMode);
|
|---|
| 66 | if (RT_FAILURE(rc))
|
|---|
| 67 | return CPUMMODE_INVALID;
|
|---|
| 68 | return enmMode;
|
|---|
| 69 | }
|
|---|
| 70 |
|
|---|
| 71 |
|
|---|
| 72 | /**
|
|---|
| 73 | * Wrapper around CPUMIsGuestIn64BitCode.
|
|---|
| 74 | *
|
|---|
| 75 | * @returns VINF_SUCCESS.
|
|---|
| 76 | * @param pVM Pointer to the VM.
|
|---|
| 77 | * @param idCpu The current CPU ID.
|
|---|
| 78 | * @param pfIn64BitCode Where to return the result.
|
|---|
| 79 | */
|
|---|
| 80 | static DECLCALLBACK(int) dbgfR3CpuIn64BitCode(PVM pVM, VMCPUID idCpu, bool *pfIn64BitCode)
|
|---|
| 81 | {
|
|---|
| 82 | Assert(idCpu == VMMGetCpuId(pVM));
|
|---|
| 83 | PVMCPU pVCpu = VMMGetCpuById(pVM, idCpu);
|
|---|
| 84 | *pfIn64BitCode = CPUMIsGuestIn64BitCode(pVCpu);
|
|---|
| 85 | return VINF_SUCCESS;
|
|---|
| 86 | }
|
|---|
| 87 |
|
|---|
| 88 |
|
|---|
| 89 | /**
|
|---|
| 90 | * Checks if the given CPU is executing 64-bit code or not.
|
|---|
| 91 | *
|
|---|
| 92 | * @returns true / false accordingly.
|
|---|
| 93 | * @param pUVM The user mode VM handle.
|
|---|
| 94 | * @param idCpu The target CPU ID.
|
|---|
| 95 | */
|
|---|
| 96 | VMMR3DECL(bool) DBGFR3CpuIsIn64BitCode(PUVM pUVM, VMCPUID idCpu)
|
|---|
| 97 | {
|
|---|
| 98 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, false);
|
|---|
| 99 | VM_ASSERT_VALID_EXT_RETURN(pUVM->pVM, false);
|
|---|
| 100 | AssertReturn(idCpu < pUVM->pVM->cCpus, false);
|
|---|
| 101 |
|
|---|
| 102 | bool fIn64BitCode;
|
|---|
| 103 | int rc = VMR3ReqPriorityCallWaitU(pUVM, idCpu, (PFNRT)dbgfR3CpuIn64BitCode, 3, pUVM->pVM, idCpu, &fIn64BitCode);
|
|---|
| 104 | if (RT_FAILURE(rc))
|
|---|
| 105 | return false;
|
|---|
| 106 | return fIn64BitCode;
|
|---|
| 107 | }
|
|---|
| 108 |
|
|---|
| 109 |
|
|---|
| 110 | /**
|
|---|
| 111 | * Get the number of CPUs (or threads if you insist).
|
|---|
| 112 | *
|
|---|
| 113 | * @returns The number of CPUs
|
|---|
| 114 | * @param pUVM The user mode VM handle.
|
|---|
| 115 | */
|
|---|
| 116 | VMMR3DECL(VMCPUID) DBGFR3CpuGetCount(PUVM pUVM)
|
|---|
| 117 | {
|
|---|
| 118 | UVM_ASSERT_VALID_EXT_RETURN(pUVM, 1);
|
|---|
| 119 | return pUVM->cCpus;
|
|---|
| 120 | }
|
|---|
| 121 |
|
|---|
