CPUM.cpp revision 3e6c6998d1dfeded8b9a23f5aa94ad63e9a681d9
/* $Id$ */
/** @file
* CPUM - CPU Monitor(/Manager)
*/
/*
* Copyright (C) 2006-2007 innotek GmbH
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation,
* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
* distribution. VirtualBox OSE is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#define LOG_GROUP LOG_GROUP_CPUM
#include <VBox/cpum.h>
#include <VBox/cpumdis.h>
#include <VBox/pgm.h>
#include <VBox/mm.h>
#include <VBox/selm.h>
#include <VBox/dbgf.h>
#include <VBox/patm.h>
#include <VBox/ssm.h>
#include "CPUMInternal.h"
#include <VBox/vm.h>
#include <VBox/param.h>
#include <VBox/dis.h>
#include <VBox/err.h>
#include <VBox/log.h>
#include <iprt/assert.h>
#include <iprt/asm.h>
#include <iprt/string.h>
#include <iprt/system.h>
/*******************************************************************************
* Defined Constants And Macros *
*******************************************************************************/
/** The saved state version. */
#define CPUM_SAVED_STATE_VERSION 5
/*******************************************************************************
* Structures and Typedefs *
*******************************************************************************/
/**
* What kind of cpu info dump to performe.
*/
typedef enum CPUMDUMPTYPE
{
CPUMDUMPTYPE_TERSE,
CPUMDUMPTYPE_DEFAULT,
CPUMDUMPTYPE_VERBOSE
} CPUMDUMPTYPE, *PCPUMDUMPTYPE;
/*******************************************************************************
* Internal Functions *
*******************************************************************************/
static int cpumR3CpuIdInit(PVM pVM);
static DECLCALLBACK(int) cpumR3Save(PVM pVM, PSSMHANDLE pSSM);
static DECLCALLBACK(int) cpumR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version);
static DECLCALLBACK(void) cpumR3InfoAll(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
static DECLCALLBACK(void) cpumR3InfoGuest(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
static DECLCALLBACK(void) cpumR3InfoHyper(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
static DECLCALLBACK(void) cpumR3InfoHost(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
static DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
/**
* Initializes the CPUM.
*
* @returns VBox status code.
* @param pVM The VM to operate on.
*/
CPUMR3DECL(int) CPUMR3Init(PVM pVM)
{
LogFlow(("CPUMR3Init\n"));
/*
* Assert alignment and sizes.
*/
AssertRelease(!(RT_OFFSETOF(VM, cpum.s) & 31));
AssertRelease(sizeof(pVM->cpum.s) <= sizeof(pVM->cpum.padding));
/*
* Setup any fixed pointers and offsets.
*/
pVM->cpum.s.offVM = RT_OFFSETOF(VM, cpum);
pVM->cpum.s.pCPUMHC = &pVM->cpum.s;
pVM->cpum.s.pHyperCoreR3 = CPUMCTX2CORE(&pVM->cpum.s.Hyper);
pVM->cpum.s.pHyperCoreR0 = VM_R0_ADDR(pVM, CPUMCTX2CORE(&pVM->cpum.s.Hyper));
/* Hidden selector registers are invalid by default. */
pVM->cpum.s.fValidHiddenSelRegs = false;
/*
* Check that the CPU supports the minimum features we require.
*/
/** @todo check the contract! */
if (!ASMHasCpuId())
{
Log(("The CPU doesn't support CPUID!\n"));
return VERR_UNSUPPORTED_CPU;
}
ASMCpuId_ECX_EDX(1, &pVM->cpum.s.CPUFeatures.ecx, &pVM->cpum.s.CPUFeatures.edx);
/* Setup the CR4 AND and OR masks used in the switcher */
/* Depends on the presence of FXSAVE(SSE) support on the host CPU */
if (!pVM->cpum.s.CPUFeatures.edx.u1FXSR)
{
Log(("The CPU doesn't support FXSAVE/FXRSTOR!\n"));
/* No FXSAVE implies no SSE */
pVM->cpum.s.CR4.AndMask = X86_CR4_PVI | X86_CR4_VME;
pVM->cpum.s.CR4.OrMask = 0;
}
else
{
pVM->cpum.s.CR4.AndMask = X86_CR4_OSXMMEEXCPT | X86_CR4_PVI | X86_CR4_VME;
pVM->cpum.s.CR4.OrMask = X86_CR4_OSFSXR;
}
if (!pVM->cpum.s.CPUFeatures.edx.u1MMX)
{
Log(("The CPU doesn't support MMX!\n"));
return VERR_UNSUPPORTED_CPU;
}
if (!pVM->cpum.s.CPUFeatures.edx.u1TSC)
{
Log(("The CPU doesn't support TSC!\n"));
return VERR_UNSUPPORTED_CPU;
}
/* Bogus on AMD? */
if (!pVM->cpum.s.CPUFeatures.edx.u1SEP)
{
Log(("The CPU doesn't support SYSENTER/SYSEXIT!\n"));
}
/*
* Setup hypervisor startup values.
*/
/*
* Register saved state data item.
*/
int rc = SSMR3RegisterInternal(pVM, "cpum", 1, CPUM_SAVED_STATE_VERSION, sizeof(CPUM),
NULL, cpumR3Save, NULL,
NULL, cpumR3Load, NULL);
if (VBOX_FAILURE(rc))
return rc;
/*
* Register info handlers.
*/
DBGFR3InfoRegisterInternal(pVM, "cpum", "Displays the all the cpu states.", &cpumR3InfoAll);
DBGFR3InfoRegisterInternal(pVM, "cpumguest", "Displays the guest cpu state.", &cpumR3InfoGuest);
DBGFR3InfoRegisterInternal(pVM, "cpumhyper", "Displays the hypervisor cpu state.", &cpumR3InfoHyper);
DBGFR3InfoRegisterInternal(pVM, "cpumhost", "Displays the host cpu state.", &cpumR3InfoHost);
DBGFR3InfoRegisterInternal(pVM, "cpuid", "Displays the guest cpuid leaves.", &cpumR3CpuIdInfo);
/*
* Initialize the Guest CPU state.
*/
rc = cpumR3CpuIdInit(pVM);
if (VBOX_FAILURE(rc))
return rc;
CPUMR3Reset(pVM);
return VINF_SUCCESS;
}
/**
* Initializes the emulated CPU's cpuid information.
*
* @returns VBox status code.
* @param pVM The VM to operate on.
*/
static int cpumR3CpuIdInit(PVM pVM)
{
PCPUM pCPUM = &pVM->cpum.s;
uint32_t i;
/*
* Get the host CPUIDs.
*/
for (i = 0; i < RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdStd); i++)
ASMCpuId(i,
&pCPUM->aGuestCpuIdStd[i].eax, &pCPUM->aGuestCpuIdStd[i].ebx,
&pCPUM->aGuestCpuIdStd[i].ecx, &pCPUM->aGuestCpuIdStd[i].edx);
for (i = 0; i < RT_ELEMENTS(pCPUM->aGuestCpuIdExt); i++)
ASMCpuId(0x80000000 + i,
&pCPUM->aGuestCpuIdExt[i].eax, &pCPUM->aGuestCpuIdExt[i].ebx,
&pCPUM->aGuestCpuIdExt[i].ecx, &pCPUM->aGuestCpuIdExt[i].edx);
for (i = 0; i < RT_ELEMENTS(pCPUM->aGuestCpuIdCentaur); i++)
ASMCpuId(0xc0000000 + i,
&pCPUM->aGuestCpuIdCentaur[i].eax, &pCPUM->aGuestCpuIdCentaur[i].ebx,
&pCPUM->aGuestCpuIdCentaur[i].ecx, &pCPUM->aGuestCpuIdCentaur[i].edx);
/*
* Only report features we can support.
*/
pCPUM->aGuestCpuIdStd[1].edx &= X86_CPUID_FEATURE_EDX_FPU
| X86_CPUID_FEATURE_EDX_VME
| X86_CPUID_FEATURE_EDX_DE
| X86_CPUID_FEATURE_EDX_PSE
| X86_CPUID_FEATURE_EDX_TSC
| X86_CPUID_FEATURE_EDX_MSR
//| X86_CPUID_FEATURE_EDX_PAE - not implemented yet.
| X86_CPUID_FEATURE_EDX_MCE
| X86_CPUID_FEATURE_EDX_CX8
//| X86_CPUID_FEATURE_EDX_APIC - set by the APIC device if present.
/** @note we don't report sysenter/sysexit support due to our inability to keep the IOPL part of eflags in sync while in ring 1 (see #1757) */
//| X86_CPUID_FEATURE_EDX_SEP
//| X86_CPUID_FEATURE_EDX_MTRR - no MTRRs.
| X86_CPUID_FEATURE_EDX_PGE
//| X86_CPUID_FEATURE_EDX_MCA - not virtualized.
| X86_CPUID_FEATURE_EDX_CMOV
//| X86_CPUID_FEATURE_EDX_PAT - not virtualized.
//| X86_CPUID_FEATURE_EDX_PSE36 - not virtualized.
//| X86_CPUID_FEATURE_EDX_PSN - no serial number.
| X86_CPUID_FEATURE_EDX_CLFSH
//| X86_CPUID_FEATURE_EDX_DS - no debug store.
//| X86_CPUID_FEATURE_EDX_ACPI - not virtualized yet.
| X86_CPUID_FEATURE_EDX_MMX
| X86_CPUID_FEATURE_EDX_FXSR
| X86_CPUID_FEATURE_EDX_SSE
| X86_CPUID_FEATURE_EDX_SSE2
//| X86_CPUID_FEATURE_EDX_SS - no self snoop.
//| X86_CPUID_FEATURE_EDX_HTT - no hyperthreading.
//| X86_CPUID_FEATURE_EDX_TM - no thermal monitor.
//| X86_CPUID_FEATURE_EDX_PBE - no pneding break enabled.
| 0;
pCPUM->aGuestCpuIdStd[1].ecx &= 0//X86_CPUID_FEATURE_ECX_SSE3 - not supported by the recompiler yet.
| X86_CPUID_FEATURE_ECX_MONITOR
//| X86_CPUID_FEATURE_ECX_CPLDS - no CPL qualified debug store.
//| X86_CPUID_FEATURE_ECX_VMX - not virtualized.
//| X86_CPUID_FEATURE_ECX_EST - no extended speed step.
//| X86_CPUID_FEATURE_ECX_TM2 - no thermal monitor 2.
//| X86_CPUID_FEATURE_ECX_CNTXID - no L1 context id (MSR++).
| 0;
/* ASSUMES that this is ALWAYS the AMD define feature set if present. */
pCPUM->aGuestCpuIdExt[1].edx &= X86_CPUID_AMD_FEATURE_EDX_FPU
| X86_CPUID_AMD_FEATURE_EDX_VME
| X86_CPUID_AMD_FEATURE_EDX_DE
| X86_CPUID_AMD_FEATURE_EDX_PSE
| X86_CPUID_AMD_FEATURE_EDX_TSC
| X86_CPUID_AMD_FEATURE_EDX_MSR //?? this means AMD MSRs..
//| X86_CPUID_AMD_FEATURE_EDX_PAE - not implemented yet.
//| X86_CPUID_AMD_FEATURE_EDX_MCE - not virtualized yet.
| X86_CPUID_AMD_FEATURE_EDX_CX8
//| X86_CPUID_AMD_FEATURE_EDX_APIC - set by the APIC device if present.
/** @note we don't report sysenter/sysexit support due to our inability to keep the IOPL part of eflags in sync while in ring 1 (see #1757) */
//| X86_CPUID_AMD_FEATURE_EDX_SEP
//| X86_CPUID_AMD_FEATURE_EDX_MTRR - not virtualized.
| X86_CPUID_AMD_FEATURE_EDX_PGE
//| X86_CPUID_AMD_FEATURE_EDX_MCA - not virtualized.
| X86_CPUID_AMD_FEATURE_EDX_CMOV
| X86_CPUID_AMD_FEATURE_EDX_PAT
//| X86_CPUID_AMD_FEATURE_EDX_PSE36 - not virtualized.
//| X86_CPUID_AMD_FEATURE_EDX_NX - not virtualized, requires PAE.
| X86_CPUID_AMD_FEATURE_EDX_MMX
| X86_CPUID_AMD_FEATURE_EDX_FXSR
| X86_CPUID_AMD_FEATURE_EDX_FFXSR
//| X86_CPUID_AMD_FEATURE_EDX_LONG_MODE - not yet.
| X86_CPUID_AMD_FEATURE_EDX_3DNOW_EX
| X86_CPUID_AMD_FEATURE_EDX_3DNOW
| 0;
pCPUM->aGuestCpuIdExt[1].ecx &= 0//X86_CPUID_AMD_FEATURE_ECX_SVM - not virtualized.
| 0;
/*
* Hide HTT, multicode, SMP, whatever.
* (APIC-ID := 0 and #LogCpus := 0)
*/
pCPUM->aGuestCpuIdStd[1].ebx &= 0x0000ffff;
/*
* Determin the default.
*
* Intel returns values of the highest standard function, while AMD
* returns zeros. VIA on the other hand seems to returning nothing or
* perhaps some random garbage, we don't try duplicate this behavior.
*/
ASMCpuId(pCPUM->aGuestCpuIdStd[0].eax + 10,
&pCPUM->GuestCpuIdDef.eax, &pCPUM->GuestCpuIdDef.ebx,
&pCPUM->GuestCpuIdDef.ecx, &pCPUM->GuestCpuIdDef.edx);
/*
* Limit it the number of entries and fill the remaining with the defaults.
*
* The limits are masking off stuff about power saving and similar, this
* is perhaps a bit crudely done as there is probably some relatively harmless
* info too in these leaves (like words about having a constant TSC).
*/
if (pCPUM->aGuestCpuIdStd[0].eax > 2)
pCPUM->aGuestCpuIdStd[0].eax = 2;
for (i = pCPUM->aGuestCpuIdStd[0].eax + 1; i < RT_ELEMENTS(pCPUM->aGuestCpuIdStd); i++)
pCPUM->aGuestCpuIdStd[i] = pCPUM->GuestCpuIdDef;
if (pCPUM->aGuestCpuIdExt[0].eax > UINT32_C(0x80000004))
pCPUM->aGuestCpuIdExt[0].eax = UINT32_C(0x80000004);
for (i = pCPUM->aGuestCpuIdExt[0].eax >= UINT32_C(0x80000000)
? pCPUM->aGuestCpuIdExt[0].eax - UINT32_C(0x80000000) + 1
: 0;
i < RT_ELEMENTS(pCPUM->aGuestCpuIdExt); i++)
pCPUM->aGuestCpuIdExt[i] = pCPUM->GuestCpuIdDef;
/*
* Centaur stuff (VIA).
*
* The important part here (we think) is to make sure the 0xc0000000
* function returns 0xc0000001. As for the features, we don't currently
* let on about any of those... 0xc0000002 seems to be some
* temperature/hz/++ stuff, include it as well (static).
*/
if ( pCPUM->aGuestCpuIdCentaur[0].eax >= UINT32_C(0xc0000000)
&& pCPUM->aGuestCpuIdCentaur[0].eax <= UINT32_C(0xc0000004))
{
pCPUM->aGuestCpuIdCentaur[0].eax = RT_MIN(pCPUM->aGuestCpuIdCentaur[0].eax, UINT32_C(0xc0000002));
pCPUM->aGuestCpuIdCentaur[1].edx = 0; /* all features hidden */
for (i = pCPUM->aGuestCpuIdCentaur[0].eax - UINT32_C(0xc0000000);
i < RT_ELEMENTS(pCPUM->aGuestCpuIdCentaur);
i++)
pCPUM->aGuestCpuIdCentaur[i] = pCPUM->GuestCpuIdDef;
}
else
for (i = 0; i < RT_ELEMENTS(pCPUM->aGuestCpuIdCentaur); i++)
pCPUM->aGuestCpuIdCentaur[i] = pCPUM->GuestCpuIdDef;
/*
* Load CPUID overrides from configuration.
*/
PCPUMCPUID pCpuId = &pCPUM->aGuestCpuIdStd[0];
uint32_t cElements = ELEMENTS(pCPUM->aGuestCpuIdStd);
for (;;)
{
while (cElements-- < 0)
{
PCFGMNODE pNode = CFGMR3GetChildF(CFGMR3GetRoot(pVM), "CPUM/CPUID/%RX32", i);
if (pNode)
{
uint32_t u32;
int rc = CFGMR3QueryU32(pNode, "eax", &u32);
if (VBOX_SUCCESS(rc))
pCpuId->eax = u32;
else
AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
rc = CFGMR3QueryU32(pNode, "ebx", &u32);
if (VBOX_SUCCESS(rc))
pCpuId->ebx = u32;
else
AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
rc = CFGMR3QueryU32(pNode, "ecx", &u32);
if (VBOX_SUCCESS(rc))
pCpuId->ecx = u32;
else
AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
rc = CFGMR3QueryU32(pNode, "edx", &u32);
if (VBOX_SUCCESS(rc))
pCpuId->edx = u32;
else
AssertReturn(rc == VERR_CFGM_VALUE_NOT_FOUND, rc);
}
}
/* next */
if ((i & UINT32_C(0xc0000000)) == 0)
{
pCpuId = &pCPUM->aGuestCpuIdExt[0];
cElements = RT_ELEMENTS(pCPUM->aGuestCpuIdExt);
i = UINT32_C(0x80000000);
}
else if ((i & UINT32_C(0xc0000000)) == UINT32_C(0x80000000))
{
pCpuId = &pCPUM->aGuestCpuIdCentaur[0];
cElements = RT_ELEMENTS(pCPUM->aGuestCpuIdCentaur);
i = UINT32_C(0xc0000000);
}
else
break;
}
/*
* Log the cpuid and we're good.
*/
LogRel(("Logical host processors: %d, processor active mask: %08x\n",
RTSystemProcessorGetCount(), RTSystemProcessorGetActiveMask()));
LogRel(("************************* CPUID dump ************************\n"));
DBGFR3Info(pVM, "cpuid", "verbose", DBGFR3InfoLogRelHlp());
LogRel(("\n"));
DBGFR3InfoLog(pVM, "cpuid", "verbose"); /* macro */
LogRel(("******************** End of CPUID dump **********************\n"));
return VINF_SUCCESS;
}
/**
* Applies relocations to data and code managed by this
* component. This function will be called at init and
* whenever the VMM need to relocate it self inside the GC.
*
* The CPUM will update the addresses used by the switcher.
*
* @param pVM The VM.
*/
CPUMR3DECL(void) CPUMR3Relocate(PVM pVM)
{
LogFlow(("CPUMR3Relocate\n"));
/*
* Switcher pointers.
*/
pVM->cpum.s.pCPUMGC = VM_GUEST_ADDR(pVM, &pVM->cpum.s);
pVM->cpum.s.pHyperCoreGC = MMHyperCCToGC(pVM, pVM->cpum.s.pHyperCoreR3);
Assert(pVM->cpum.s.pHyperCoreGC != NIL_RTGCPTR);
}
/**
* Queries the pointer to the internal CPUMCTX structure
*
* @returns VBox status code.
* @param pVM Handle to the virtual machine.
* @param ppCtx Receives the CPUMCTX GC pointer when successful.
*/
CPUMR3DECL(int) CPUMR3QueryGuestCtxGCPtr(PVM pVM, GCPTRTYPE(PCPUMCTX) *ppCtx)
{
LogFlow(("CPUMR3QueryGuestCtxGCPtr\n"));
/*
* Store the address. (Later we might check how's calling, thus the RC.)
*/
*ppCtx = VM_GUEST_ADDR(pVM, &pVM->cpum.s.Guest);
return VINF_SUCCESS;
}
/**
* Terminates the CPUM.
*
* Termination means cleaning up and freeing all resources,
* the VM it self is at this point powered off or suspended.
*
* @returns VBox status code.
* @param pVM The VM to operate on.
*/
CPUMR3DECL(int) CPUMR3Term(PVM pVM)
{
/** @todo */
return 0;
}
/**
* Resets the CPU.
*
* @returns VINF_SUCCESS.
* @param pVM The VM handle.
*/
CPUMR3DECL(void) CPUMR3Reset(PVM pVM)
{
PCPUMCTX pCtx = &pVM->cpum.s.Guest;
/*
* Initialize everything to ZERO first.
*/
uint32_t fUseFlags = pVM->cpum.s.fUseFlags & ~CPUM_USED_FPU_SINCE_REM;
memset(pCtx, 0, sizeof(*pCtx));
pVM->cpum.s.fUseFlags = fUseFlags;
pCtx->cr0 = X86_CR0_CD | X86_CR0_NW | X86_CR0_ET; //0x60000010
pCtx->eip = 0x0000fff0;
pCtx->edx = 0x00000600; /* P6 processor */
pCtx->eflags.Bits.u1Reserved0 = 1;
pCtx->cs = 0xf000;
pCtx->csHid.u32Base = 0xffff0000;
pCtx->csHid.u32Limit = 0x0000ffff;
pCtx->csHid.Attr.n.u1DescType = 1; /* code/data segment */
pCtx->csHid.Attr.n.u1Present = 1;
pCtx->csHid.Attr.n.u4Type = X86_SEL_TYPE_READ | X86_SEL_TYPE_CODE;
pCtx->dsHid.u32Limit = 0x0000ffff;
pCtx->dsHid.Attr.n.u1DescType = 1; /* code/data segment */
pCtx->dsHid.Attr.n.u1Present = 1;
pCtx->dsHid.Attr.n.u4Type = X86_SEL_TYPE_RW;
pCtx->esHid.u32Limit = 0x0000ffff;
pCtx->esHid.Attr.n.u1DescType = 1; /* code/data segment */
pCtx->esHid.Attr.n.u1Present = 1;
pCtx->esHid.Attr.n.u4Type = X86_SEL_TYPE_RW;
pCtx->fsHid.u32Limit = 0x0000ffff;
pCtx->fsHid.Attr.n.u1DescType = 1; /* code/data segment */
pCtx->fsHid.Attr.n.u1Present = 1;
pCtx->fsHid.Attr.n.u4Type = X86_SEL_TYPE_RW;
pCtx->gsHid.u32Limit = 0x0000ffff;
pCtx->gsHid.Attr.n.u1DescType = 1; /* code/data segment */
pCtx->gsHid.Attr.n.u1Present = 1;
pCtx->gsHid.Attr.n.u4Type = X86_SEL_TYPE_RW;
pCtx->ssHid.u32Limit = 0x0000ffff;
pCtx->ssHid.Attr.n.u1Present = 1;
pCtx->ssHid.Attr.n.u1DescType = 1; /* code/data segment */
pCtx->ssHid.Attr.n.u4Type = X86_SEL_TYPE_RW;
pCtx->idtr.cbIdt = 0xffff;
pCtx->gdtr.cbGdt = 0xffff;
pCtx->ldtrHid.u32Limit = 0xffff;
pCtx->ldtrHid.Attr.n.u1Present = 1;
pCtx->ldtrHid.Attr.n.u4Type = X86_SEL_TYPE_SYS_LDT;
pCtx->trHid.u32Limit = 0xffff;
pCtx->trHid.Attr.n.u1Present = 1;
pCtx->trHid.Attr.n.u4Type = X86_SEL_TYPE_SYS_286_TSS_BUSY;
pCtx->dr6 = 0xFFFF0FF0;
pCtx->dr7 = 0x400;
pCtx->fpu.FTW = 0xff; /* All tags are set, i.e. the regs are empty. */
pCtx->fpu.FCW = 0x37f;
}
/**
* Execute state save operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
*/
static DECLCALLBACK(int) cpumR3Save(PVM pVM, PSSMHANDLE pSSM)
{
/*
* Save.
*/
SSMR3PutMem(pSSM, &pVM->cpum.s.Hyper, sizeof(pVM->cpum.s.Hyper));
SSMR3PutMem(pSSM, &pVM->cpum.s.Guest, sizeof(pVM->cpum.s.Guest));
SSMR3PutU32(pSSM, pVM->cpum.s.fUseFlags);
SSMR3PutU32(pSSM, pVM->cpum.s.fChanged);
SSMR3PutU32(pSSM, ELEMENTS(pVM->cpum.s.aGuestCpuIdStd));
SSMR3PutMem(pSSM, &pVM->cpum.s.aGuestCpuIdStd[0], sizeof(pVM->cpum.s.aGuestCpuIdStd));
SSMR3PutU32(pSSM, ELEMENTS(pVM->cpum.s.aGuestCpuIdExt));
SSMR3PutMem(pSSM, &pVM->cpum.s.aGuestCpuIdExt[0], sizeof(pVM->cpum.s.aGuestCpuIdExt));
SSMR3PutU32(pSSM, ELEMENTS(pVM->cpum.s.aGuestCpuIdCentaur));
SSMR3PutMem(pSSM, &pVM->cpum.s.aGuestCpuIdCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdCentaur));
SSMR3PutMem(pSSM, &pVM->cpum.s.GuestCpuIdDef, sizeof(pVM->cpum.s.GuestCpuIdDef));
/* Add the cpuid for checking that the cpu is unchanged. */
uint32_t au32CpuId[8] = {0};
ASMCpuId(0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
ASMCpuId(1, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
return SSMR3PutMem(pSSM, &au32CpuId[0], sizeof(au32CpuId));
}
/**
* Execute state load operation.
*
* @returns VBox status code.
* @param pVM VM Handle.
* @param pSSM SSM operation handle.
* @param u32Version Data layout version.
*/
static DECLCALLBACK(int) cpumR3Load(PVM pVM, PSSMHANDLE pSSM, uint32_t u32Version)
{
/*
* Validate version.
*/
if (u32Version != CPUM_SAVED_STATE_VERSION)
{
Log(("cpuR3Load: Invalid version u32Version=%d!\n", u32Version));
return VERR_SSM_UNSUPPORTED_DATA_UNIT_VERSION;
}
/*
* Restore.
*/
uint32_t uCR3 = pVM->cpum.s.Hyper.cr3;
uint32_t uESP = pVM->cpum.s.Hyper.esp; /* see VMMR3Relocate(). */
SSMR3GetMem(pSSM, &pVM->cpum.s.Hyper, sizeof(pVM->cpum.s.Hyper));
pVM->cpum.s.Hyper.cr3 = uCR3;
pVM->cpum.s.Hyper.esp = uESP;
SSMR3GetMem(pSSM, &pVM->cpum.s.Guest, sizeof(pVM->cpum.s.Guest));
SSMR3GetU32(pSSM, &pVM->cpum.s.fUseFlags);
SSMR3GetU32(pSSM, &pVM->cpum.s.fChanged);
uint32_t cElements;
int rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
if (cElements != ELEMENTS(pVM->cpum.s.aGuestCpuIdStd))
return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdStd[0], sizeof(pVM->cpum.s.aGuestCpuIdStd));
rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
if (cElements != ELEMENTS(pVM->cpum.s.aGuestCpuIdExt))
return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdExt[0], sizeof(pVM->cpum.s.aGuestCpuIdExt));
rc = SSMR3GetU32(pSSM, &cElements); AssertRCReturn(rc, rc);
if (cElements != RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdCentaur))
return VERR_SSM_DATA_UNIT_FORMAT_CHANGED;
SSMR3GetMem(pSSM, &pVM->cpum.s.aGuestCpuIdCentaur[0], sizeof(pVM->cpum.s.aGuestCpuIdCentaur));
SSMR3GetMem(pSSM, &pVM->cpum.s.GuestCpuIdDef, sizeof(pVM->cpum.s.GuestCpuIdDef));
/*
* Check that the basic cpuid id information is unchanged.
*/
uint32_t au32CpuId[8] = {0};
ASMCpuId(0, &au32CpuId[0], &au32CpuId[1], &au32CpuId[2], &au32CpuId[3]);
ASMCpuId(1, &au32CpuId[4], &au32CpuId[5], &au32CpuId[6], &au32CpuId[7]);
uint32_t au32CpuIdSaved[8];
rc = SSMR3GetMem(pSSM, &au32CpuIdSaved[0], sizeof(au32CpuIdSaved));
if (VBOX_SUCCESS(rc))
{
/* Ignore APIC ID (AMD specs). */
au32CpuId[5] &= ~0xff000000;
au32CpuIdSaved[5] &= ~0xff000000;
/* Ignore the number of Logical CPUs (AMD specs). */
au32CpuId[5] &= ~0x00ff0000;
au32CpuIdSaved[5] &= ~0x00ff0000;
/* do the compare */
if (memcmp(au32CpuIdSaved, au32CpuId, sizeof(au32CpuIdSaved)))
{
if (SSMR3HandleGetAfter(pSSM) == SSMAFTER_DEBUG_IT)
LogRel(("cpumR3Load: CpuId mismatch! (ignored due to SSMAFTER_DEBUG_IT)\n"
"Saved=%.*Vhxs\n"
"Real =%.*Vhxs\n",
sizeof(au32CpuIdSaved), au32CpuIdSaved,
sizeof(au32CpuId), au32CpuId));
else
{
LogRel(("cpumR3Load: CpuId mismatch!\n"
"Saved=%.*Vhxs\n"
"Real =%.*Vhxs\n",
sizeof(au32CpuIdSaved), au32CpuIdSaved,
sizeof(au32CpuId), au32CpuId));
rc = VERR_SSM_LOAD_CPUID_MISMATCH;
}
}
}
return rc;
}
/**
* Formats the EFLAGS value into mnemonics.
*
* @param pszEFlags Where to write the mnemonics. (Assumes sufficient buffer space.)
* @param efl The EFLAGS value.
*/
static void cpumR3InfoFormatFlags(char *pszEFlags, uint32_t efl)
{
/*
* Format the flags.
*/
static struct
{
const char *pszSet; const char *pszClear; uint32_t fFlag;
} s_aFlags[] =
{
{ "vip",NULL, X86_EFL_VIP },
{ "vif",NULL, X86_EFL_VIF },
{ "ac", NULL, X86_EFL_AC },
{ "vm", NULL, X86_EFL_VM },
{ "rf", NULL, X86_EFL_RF },
{ "nt", NULL, X86_EFL_NT },
{ "ov", "nv", X86_EFL_OF },
{ "dn", "up", X86_EFL_DF },
{ "ei", "di", X86_EFL_IF },
{ "tf", NULL, X86_EFL_TF },
{ "nt", "pl", X86_EFL_SF },
{ "nz", "zr", X86_EFL_ZF },
{ "ac", "na", X86_EFL_AF },
{ "po", "pe", X86_EFL_PF },
{ "cy", "nc", X86_EFL_CF },
};
char *psz = pszEFlags;
for (unsigned i = 0; i < ELEMENTS(s_aFlags); i++)
{
const char *pszAdd = s_aFlags[i].fFlag & efl ? s_aFlags[i].pszSet : s_aFlags[i].pszClear;
if (pszAdd)
{
strcpy(psz, pszAdd);
psz += strlen(pszAdd);
*psz++ = ' ';
}
}
psz[-1] = '\0';
}
/**
* Formats a full register dump.
*
* @param pCtx The context to format.
* @param pCtxCore The context core to format.
* @param pHlp Output functions.
* @param enmType The dump type.
* @param pszPrefix Register name prefix.
*/
static void cpumR3InfoOne(PCPUMCTX pCtx, PCCPUMCTXCORE pCtxCore, PCDBGFINFOHLP pHlp, CPUMDUMPTYPE enmType, const char *pszPrefix)
{
/*
* Format the EFLAGS.
*/
uint32_t efl = pCtxCore->eflags.u32;
char szEFlags[80];
cpumR3InfoFormatFlags(&szEFlags[0], efl);
/*
* Format the registers.
*/
switch (enmType)
{
case CPUMDUMPTYPE_TERSE:
pHlp->pfnPrintf(pHlp,
"%seax=%08x %sebx=%08x %secx=%08x %sedx=%08x %sesi=%08x %sedi=%08x\n"
"%seip=%08x %sesp=%08x %sebp=%08x %siopl=%d %*s\n"
"%scs=%04x %sss=%04x %sds=%04x %ses=%04x %sfs=%04x %sgs=%04x %seflags=%08x\n",
pszPrefix, pCtxCore->eax, pszPrefix, pCtxCore->ebx, pszPrefix, pCtxCore->ecx, pszPrefix, pCtxCore->edx, pszPrefix, pCtxCore->esi, pszPrefix, pCtxCore->edi,
pszPrefix, pCtxCore->eip, pszPrefix, pCtxCore->esp, pszPrefix, pCtxCore->ebp, pszPrefix, X86_EFL_GET_IOPL(efl), *pszPrefix ? 33 : 31, szEFlags,
pszPrefix, (RTSEL)pCtxCore->cs, pszPrefix, (RTSEL)pCtxCore->ss, pszPrefix, (RTSEL)pCtxCore->ds, pszPrefix, (RTSEL)pCtxCore->es,
pszPrefix, (RTSEL)pCtxCore->fs, pszPrefix, (RTSEL)pCtxCore->gs, pszPrefix, efl);
break;
case CPUMDUMPTYPE_DEFAULT:
pHlp->pfnPrintf(pHlp,
"%seax=%08x %sebx=%08x %secx=%08x %sedx=%08x %sesi=%08x %sedi=%08x\n"
"%seip=%08x %sesp=%08x %sebp=%08x %siopl=%d %*s\n"
"%scs=%04x %sss=%04x %sds=%04x %ses=%04x %sfs=%04x %sgs=%04x %str=%04x %seflags=%08x\n"
"%scr0=%08x %scr2=%08x %scr3=%08x %scr4=%08x %sgdtr=%08x:%04x %sldtr=%04x\n"
,
pszPrefix, pCtxCore->eax, pszPrefix, pCtxCore->ebx, pszPrefix, pCtxCore->ecx, pszPrefix, pCtxCore->edx, pszPrefix, pCtxCore->esi, pszPrefix, pCtxCore->edi,
pszPrefix, pCtxCore->eip, pszPrefix, pCtxCore->esp, pszPrefix, pCtxCore->ebp, pszPrefix, X86_EFL_GET_IOPL(efl), *pszPrefix ? 33 : 31, szEFlags,
pszPrefix, (RTSEL)pCtxCore->cs, pszPrefix, (RTSEL)pCtxCore->ss, pszPrefix, (RTSEL)pCtxCore->ds, pszPrefix, (RTSEL)pCtxCore->es,
pszPrefix, (RTSEL)pCtxCore->fs, pszPrefix, (RTSEL)pCtxCore->gs, pszPrefix, (RTSEL)pCtx->tr, pszPrefix, efl,
pszPrefix, pCtx->cr0, pszPrefix, pCtx->cr2, pszPrefix, pCtx->cr3, pszPrefix, pCtx->cr4,
pszPrefix, pCtx->gdtr.pGdt, pCtx->gdtr.cbGdt, pszPrefix, (RTSEL)pCtx->ldtr);
break;
case CPUMDUMPTYPE_VERBOSE:
pHlp->pfnPrintf(pHlp,
"%seax=%08x %sebx=%08x %secx=%08x %sedx=%08x %sesi=%08x %sedi=%08x\n"
"%seip=%08x %sesp=%08x %sebp=%08x %siopl=%d %*s\n"
"%scs={%04x base=%08x limit=%08x flags=%08x} %sdr0=%08x %sdr1=%08x\n"
"%sds={%04x base=%08x limit=%08x flags=%08x} %sdr2=%08x %sdr3=%08x\n"
"%ses={%04x base=%08x limit=%08x flags=%08x} %sdr4=%08x %sdr5=%08x\n"
"%sfs={%04x base=%08x limit=%08x flags=%08x} %sdr6=%08x %sdr7=%08x\n"
"%sgs={%04x base=%08x limit=%08x flags=%08x} %scr0=%08x %scr2=%08x\n"
"%sss={%04x base=%08x limit=%08x flags=%08x} %scr3=%08x %scr4=%08x\n"
"%sgdtr=%08x:%04x %sidtr=%08x:%04x %seflags=%08x\n"
"%sldtr={%04x base=%08x limit=%08x flags=%08x}\n"
"%str ={%04x base=%08x limit=%08x flags=%08x}\n"
"%sSysEnter={cs=%04llx eip=%08llx esp=%08llx}\n"
,
pszPrefix, pCtxCore->eax, pszPrefix, pCtxCore->ebx, pszPrefix, pCtxCore->ecx, pszPrefix, pCtxCore->edx, pszPrefix, pCtxCore->esi, pszPrefix, pCtxCore->edi,
pszPrefix, pCtxCore->eip, pszPrefix, pCtxCore->esp, pszPrefix, pCtxCore->ebp, pszPrefix, X86_EFL_GET_IOPL(efl), *pszPrefix ? 33 : 31, szEFlags,
pszPrefix, (RTSEL)pCtxCore->cs, pCtx->csHid.u32Base, pCtx->csHid.u32Limit, pCtx->csHid.Attr.u, pszPrefix, pCtx->dr0, pszPrefix, pCtx->dr1,
pszPrefix, (RTSEL)pCtxCore->ds, pCtx->dsHid.u32Base, pCtx->dsHid.u32Limit, pCtx->dsHid.Attr.u, pszPrefix, pCtx->dr2, pszPrefix, pCtx->dr3,
pszPrefix, (RTSEL)pCtxCore->es, pCtx->esHid.u32Base, pCtx->esHid.u32Limit, pCtx->esHid.Attr.u, pszPrefix, pCtx->dr4, pszPrefix, pCtx->dr5,
pszPrefix, (RTSEL)pCtxCore->fs, pCtx->fsHid.u32Base, pCtx->fsHid.u32Limit, pCtx->fsHid.Attr.u, pszPrefix, pCtx->dr6, pszPrefix, pCtx->dr7,
pszPrefix, (RTSEL)pCtxCore->gs, pCtx->gsHid.u32Base, pCtx->gsHid.u32Limit, pCtx->gsHid.Attr.u, pszPrefix, pCtx->cr0, pszPrefix, pCtx->cr2,
pszPrefix, (RTSEL)pCtxCore->ss, pCtx->ssHid.u32Base, pCtx->ssHid.u32Limit, pCtx->ssHid.Attr.u, pszPrefix, pCtx->cr3, pszPrefix, pCtx->cr4,
pszPrefix, pCtx->gdtr.pGdt, pCtx->gdtr.cbGdt, pszPrefix, pCtx->idtr.pIdt, pCtx->idtr.cbIdt, pszPrefix, efl,
pszPrefix, (RTSEL)pCtx->ldtr, pCtx->ldtrHid.u32Base, pCtx->ldtrHid.u32Limit, pCtx->ldtrHid.Attr.u,
pszPrefix, (RTSEL)pCtx->tr, pCtx->trHid.u32Base, pCtx->trHid.u32Limit, pCtx->trHid.Attr.u,
pszPrefix, pCtx->SysEnter.cs, pCtx->SysEnter.eip, pCtx->SysEnter.esp);
pHlp->pfnPrintf(pHlp,
"FPU:\n"
"%sFCW=%04x %sFSW=%04x %sFTW=%02x\n"
"%sres1=%02x %sFOP=%04x %sFPUIP=%08x %sCS=%04x %sRsvrd1=%04x\n"
"%sFPUDP=%04x %sDS=%04x %sRsvrd2=%04x %sMXCSR=%08x %sMXCSR_MASK=%08x\n"
,
pszPrefix, pCtx->fpu.FCW, pszPrefix, pCtx->fpu.FSW, pszPrefix, pCtx->fpu.FTW,
pszPrefix, pCtx->fpu.huh1, pszPrefix, pCtx->fpu.FOP, pszPrefix, pCtx->fpu.FPUIP, pszPrefix, pCtx->fpu.CS, pszPrefix, pCtx->fpu.Rsvrd1,
pszPrefix, pCtx->fpu.FPUDP, pszPrefix, pCtx->fpu.DS, pszPrefix, pCtx->fpu.Rsrvd2,
pszPrefix, pCtx->fpu.MXCSR, pszPrefix, pCtx->fpu.MXCSR_MASK);
break;
}
}
/**
* Display all cpu states and any other cpum info.
*
* @param pVM VM Handle.
* @param pHlp The info helper functions.
* @param pszArgs Arguments, ignored.
*/
static DECLCALLBACK(void) cpumR3InfoAll(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
{
cpumR3InfoGuest(pVM, pHlp, pszArgs);
cpumR3InfoHyper(pVM, pHlp, pszArgs);
cpumR3InfoHost(pVM, pHlp, pszArgs);
}
/**
* Parses the info argument.
*
* The argument starts with 'verbose', 'terse' or 'default' and then
* continues with the comment string.
*
* @param pszArgs The pointer to the argument string.
* @param penmType Where to store the dump type request.
* @param ppszComment Where to store the pointer to the comment string.
*/
static void cpumR3InfoParseArg(const char *pszArgs, CPUMDUMPTYPE *penmType, const char **ppszComment)
{
if (!pszArgs)
{
*penmType = CPUMDUMPTYPE_DEFAULT;
*ppszComment = "";
}
else
{
if (!strncmp(pszArgs, "verbose", sizeof("verbose") - 1))
{
pszArgs += 5;
*penmType = CPUMDUMPTYPE_VERBOSE;
}
else if (!strncmp(pszArgs, "terse", sizeof("terse") - 1))
{
pszArgs += 5;
*penmType = CPUMDUMPTYPE_TERSE;
}
else if (!strncmp(pszArgs, "default", sizeof("default") - 1))
{
pszArgs += 7;
*penmType = CPUMDUMPTYPE_DEFAULT;
}
else
*penmType = CPUMDUMPTYPE_DEFAULT;
*ppszComment = RTStrStripL(pszArgs);
}
}
/**
* Display the guest cpu state.
*
* @param pVM VM Handle.
* @param pHlp The info helper functions.
* @param pszArgs Arguments, ignored.
*/
static DECLCALLBACK(void) cpumR3InfoGuest(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
{
CPUMDUMPTYPE enmType;
const char *pszComment;
cpumR3InfoParseArg(pszArgs, &enmType, &pszComment);
pHlp->pfnPrintf(pHlp, "Guest CPUM state: %s\n", pszComment);
cpumR3InfoOne(&pVM->cpum.s.Guest, CPUMCTX2CORE(&pVM->cpum.s.Guest), pHlp, enmType, "");
}
/**
* Display the hypervisor cpu state.
*
* @param pVM VM Handle.
* @param pHlp The info helper functions.
* @param pszArgs Arguments, ignored.
*/
static DECLCALLBACK(void) cpumR3InfoHyper(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
{
CPUMDUMPTYPE enmType;
const char *pszComment;
cpumR3InfoParseArg(pszArgs, &enmType, &pszComment);
pHlp->pfnPrintf(pHlp, "Hypervisor CPUM state: %s\n", pszComment);
cpumR3InfoOne(&pVM->cpum.s.Hyper, pVM->cpum.s.pHyperCoreR3, pHlp, enmType, ".");
pHlp->pfnPrintf(pHlp, "CR4OrMask=%#x CR4AndMask=%#x\n", pVM->cpum.s.CR4.OrMask, pVM->cpum.s.CR4.AndMask);
}
/**
* Display the host cpu state.
*
* @param pVM VM Handle.
* @param pHlp The info helper functions.
* @param pszArgs Arguments, ignored.
*/
static DECLCALLBACK(void) cpumR3InfoHost(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
{
CPUMDUMPTYPE enmType;
const char *pszComment;
cpumR3InfoParseArg(pszArgs, &enmType, &pszComment);
pHlp->pfnPrintf(pHlp, "Host CPUM state: %s\n", pszComment);
/*
* Format the EFLAGS.
*/
PCPUMHOSTCTX pCtx = &pVM->cpum.s.Host;
#if HC_ARCH_BITS == 32
uint32_t efl = pCtx->eflags.u32;
#else
uint64_t efl = pCtx->rflags;
#endif
char szEFlags[80];
cpumR3InfoFormatFlags(&szEFlags[0], efl);
/*
* Format the registers.
*/
#if HC_ARCH_BITS == 32
# ifdef VBOX_WITH_HYBIRD_32BIT_KERNEL
if (!(pCtx->efer & MSR_K6_EFER_LMA))
# endif
{
pHlp->pfnPrintf(pHlp,
"eax=xxxxxxxx ebx=%08x ecx=xxxxxxxx edx=xxxxxxxx esi=%08x edi=%08x\n"
"eip=xxxxxxxx esp=%08x ebp=%08x iopl=%d %31s\n"
"cs=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08x\n"
"cr0=%08x cr2=xxxxxxxx cr3=%08x cr4=%08x gdtr=%08x:%04x ldtr=%04x\n"
"dr0=%08x dr1=%08x dr2=%08x dr3=%08x dr6=%08x dr7=%08x\n"
"SysEnter={cs=%04x eip=%08x esp=%08x}\n"
,
/*pCtx->eax,*/ pCtx->ebx, /*pCtx->ecx, pCtx->edx,*/ pCtx->esi, pCtx->edi,
/*pCtx->eip,*/ pCtx->esp, pCtx->ebp, X86_EFL_GET_IOPL(efl), szEFlags,
(RTSEL)pCtx->cs, (RTSEL)pCtx->ds, (RTSEL)pCtx->es, (RTSEL)pCtx->fs, (RTSEL)pCtx->gs, efl,
pCtx->cr0, /*pCtx->cr2,*/ pCtx->cr3, pCtx->cr4,
pCtx->dr0, pCtx->dr1, pCtx->dr2, pCtx->dr3, pCtx->dr6, pCtx->dr7,
(uint32_t)pCtx->gdtr.uAddr, pCtx->gdtr.cb, (RTSEL)pCtx->ldtr,
pCtx->SysEnter.cs, pCtx->SysEnter.eip, pCtx->SysEnter.esp);
}
# ifdef VBOX_WITH_HYBIRD_32BIT_KERNEL
else
# endif
#endif
#if HC_ARCH_BITS == 64 || defined(VBOX_WITH_HYBIRD_32BIT_KERNEL)
{
pHlp->pfnPrintf(pHlp,
"rax=xxxxxxxxxxxxxxxx rbx=%016RX64 rcx=xxxxxxxxxxxxxxxx\n"
"rdx=xxxxxxxxxxxxxxxx rsi=%016RX64 rdi=%016RX64\n"
"rip=xxxxxxxxxxxxxxxx rsp=%016RX64 rbp=%016RX64\n"
" r8=xxxxxxxxxxxxxxxx r9=xxxxxxxxxxxxxxxx r10=%016RX64\n"
"r11=%016RX64 r12=%016RX64 r13=%016RX64\n"
"r14=%016RX64 r15=%016RX64\n"
"iopl=%d %31s\n"
"cs=%04x ds=%04x es=%04x fs=%04x gs=%04x eflags=%08RX64\n"
"cr0=%016RX64 cr2=xxxxxxxxxxxxxxxx cr3=%016RX64\n"
"cr4=%016RX64 cr8=%016RX64 ldtr=%04x tr=%04x\n"
"dr0=%016RX64 dr1=%016RX64 dr2=%016RX64\n"
"dr3=%016RX64 dr6=%016RX64 dr7=%016RX64\n"
"gdtr=%016RX64:%04x idtr=%016RX64:%04x\n"
"SysEnter={cs=%04x eip=%08x esp=%08x}\n"
"FSbase=%016RX64 GSbase=%016RX64 efer=%08RX64\n"
,
/*pCtx->rax,*/ pCtx->rbx, /*pCtx->rcx,
pCtx->rdx,*/ pCtx->rsi, pCtx->rdi,
/*pCtx->rip,*/ pCtx->rsp, pCtx->rbp,
/*pCtx->r8, pCtx->r9,*/ pCtx->r10,
pCtx->r11, pCtx->r12, pCtx->r13,
pCtx->r14, pCtx->r15,
X86_EFL_GET_IOPL(efl), szEFlags,
(RTSEL)pCtx->cs, (RTSEL)pCtx->ds, (RTSEL)pCtx->es, (RTSEL)pCtx->fs, (RTSEL)pCtx->gs, efl,
pCtx->cr0, /*pCtx->cr2,*/ pCtx->cr3,
pCtx->cr4, pCtx->cr8, pCtx->ldtr, pCtx->tr,
pCtx->dr0, pCtx->dr1, pCtx->dr2,
pCtx->dr3, pCtx->dr6, pCtx->dr7,
pCtx->gdtr.uAddr, pCtx->gdtr.cb, pCtx->idtr.uAddr, pCtx->idtr.cb,
pCtx->SysEnter.cs, pCtx->SysEnter.eip, pCtx->SysEnter.esp,
pCtx->FSbase, pCtx->GSbase, pCtx->efer);
}
#endif
}
/**
* Get L1 cache / TLS associativity.
*/
static const char *getCacheAss(unsigned u, char *pszBuf)
{
if (u == 0)
return "res0 ";
if (u == 1)
return "direct";
if (u >= 256)
return "???";
RTStrPrintf(pszBuf, 16, "%d way", u);
return pszBuf;
}
/**
* Get L2 cache soociativity.
*/
const char *getL2CacheAss(unsigned u)
{
switch (u)
{
case 0: return "off ";
case 1: return "direct";
case 2: return "2 way ";
case 3: return "res3 ";
case 4: return "4 way ";
case 5: return "res5 ";
case 6: return "8 way ";
case 7: return "res7 ";
case 8: return "16 way";
case 9: return "res9 ";
case 10: return "res10 ";
case 11: return "res11 ";
case 12: return "res12 ";
case 13: return "res13 ";
case 14: return "res14 ";
case 15: return "fully ";
default:
return "????";
}
}
/**
* Display the guest CpuId leaves.
*
* @param pVM VM Handle.
* @param pHlp The info helper functions.
* @param pszArgs "terse", "default" or "verbose".
*/
static DECLCALLBACK(void) cpumR3CpuIdInfo(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
{
/*
* Parse the argument.
*/
unsigned iVerbosity = 1;
if (pszArgs)
{
pszArgs = RTStrStripL(pszArgs);
if (!strcmp(pszArgs, "terse"))
iVerbosity--;
else if (!strcmp(pszArgs, "verbose"))
iVerbosity++;
}
/*
* Start cracking.
*/
CPUMCPUID Host;
CPUMCPUID Guest;
unsigned cStdMax = pVM->cpum.s.aGuestCpuIdStd[0].eax;
pHlp->pfnPrintf(pHlp,
" RAW Standard CPUIDs\n"
" Function eax ebx ecx edx\n");
for (unsigned i = 0; i <= ELEMENTS(pVM->cpum.s.aGuestCpuIdStd); i++)
{
Guest = pVM->cpum.s.aGuestCpuIdStd[i];
ASMCpuId(i, &Host.eax, &Host.ebx, &Host.ecx, &Host.edx);
pHlp->pfnPrintf(pHlp,
"Gst: %08x %08x %08x %08x %08x%s\n"
"Hst: %08x %08x %08x %08x\n",
i, Guest.eax, Guest.ebx, Guest.ecx, Guest.edx,
i <= cStdMax ? "" : "*",
Host.eax, Host.ebx, Host.ecx, Host.edx);
}
/*
* If verbose, decode it.
*/
if (iVerbosity)
{
Guest = pVM->cpum.s.aGuestCpuIdStd[0];
pHlp->pfnPrintf(pHlp,
"Name: %.04s%.04s%.04s\n"
"Supports: 0-%x\n",
&Guest.ebx, &Guest.edx, &Guest.ecx, Guest.eax);
}
/*
* Get Features.
*/
if (cStdMax >= 1 && iVerbosity)
{
Guest = pVM->cpum.s.aGuestCpuIdStd[1];
uint32_t uEAX = Guest.eax;
pHlp->pfnPrintf(pHlp,
"Family: %d \tExtended: %d \tEffectiv: %d\n"
"Model: %d \tExtended: %d \tEffectiv: %d\n"
"Stepping: %d\n"
"APIC ID: %#04x\n"
"Logical CPUs: %d\n"
"CLFLUSH Size: %d\n"
"Brand ID: %#04x\n",
(uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ((uEAX >> 8) & 0xf) + (((uEAX >> 8) & 0xf) == 0xf ? (uEAX >> 20) & 0x7f : 0),
(uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ((uEAX >> 4) & 0xf) | (((uEAX >> 4) & 0xf) == 0xf ? (uEAX >> 16) & 0x0f : 0),
(uEAX >> 0) & 0xf,
(Guest.ebx >> 24) & 0xff,
(Guest.ebx >> 16) & 0xff,
(Guest.ebx >> 8) & 0xff,
(Guest.ebx >> 0) & 0xff);
if (iVerbosity == 1)
{
uint32_t uEDX = Guest.edx;
pHlp->pfnPrintf(pHlp, "Features EDX: ");
if (uEDX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " FPU");
if (uEDX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " VME");
if (uEDX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " DE");
if (uEDX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " PSE");
if (uEDX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " TSC");
if (uEDX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " MSR");
if (uEDX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " PAE");
if (uEDX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " MCE");
if (uEDX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " CX8");
if (uEDX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " APIC");
if (uEDX & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " 10");
if (uEDX & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " SEP");
if (uEDX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " MTRR");
if (uEDX & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PGE");
if (uEDX & RT_BIT(14)) pHlp->pfnPrintf(pHlp, " MCA");
if (uEDX & RT_BIT(15)) pHlp->pfnPrintf(pHlp, " CMOV");
if (uEDX & RT_BIT(16)) pHlp->pfnPrintf(pHlp, " PAT");
if (uEDX & RT_BIT(17)) pHlp->pfnPrintf(pHlp, " PSE36");
if (uEDX & RT_BIT(18)) pHlp->pfnPrintf(pHlp, " PSN");
if (uEDX & RT_BIT(19)) pHlp->pfnPrintf(pHlp, " CLFSH");
if (uEDX & RT_BIT(20)) pHlp->pfnPrintf(pHlp, " 20");
if (uEDX & RT_BIT(21)) pHlp->pfnPrintf(pHlp, " DS");
if (uEDX & RT_BIT(22)) pHlp->pfnPrintf(pHlp, " ACPI");
if (uEDX & RT_BIT(23)) pHlp->pfnPrintf(pHlp, " MMX");
if (uEDX & RT_BIT(24)) pHlp->pfnPrintf(pHlp, " FXSR");
if (uEDX & RT_BIT(25)) pHlp->pfnPrintf(pHlp, " SSE");
if (uEDX & RT_BIT(26)) pHlp->pfnPrintf(pHlp, " SSE2");
if (uEDX & RT_BIT(27)) pHlp->pfnPrintf(pHlp, " SS");
if (uEDX & RT_BIT(28)) pHlp->pfnPrintf(pHlp, " HTT");
if (uEDX & RT_BIT(29)) pHlp->pfnPrintf(pHlp, " TM");
if (uEDX & RT_BIT(30)) pHlp->pfnPrintf(pHlp, " 30");
if (uEDX & RT_BIT(31)) pHlp->pfnPrintf(pHlp, " PBE");
pHlp->pfnPrintf(pHlp, "\n");
uint32_t uECX = Guest.ecx;
pHlp->pfnPrintf(pHlp, "Features ECX: ");
if (uECX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " SSE3");
if (uECX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " 1");
if (uECX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " 2");
if (uECX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " MONITOR");
if (uECX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " DS-CPL");
if (uECX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " VMX");
if (uECX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " 6");
if (uECX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " EST");
if (uECX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " TM2");
if (uECX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " 9");
if (uECX & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " CNXT-ID");
if (uECX & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " 11");
if (uECX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " 12");
if (uECX & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " CX16");
for (unsigned iBit = 14; iBit < 32; iBit++)
if (uECX & RT_BIT(iBit))
pHlp->pfnPrintf(pHlp, " %d", iBit);
pHlp->pfnPrintf(pHlp, "\n");
}
else
{
ASMCpuId(1, &Host.eax, &Host.ebx, &Host.ecx, &Host.edx);
X86CPUIDFEATEDX EdxHost = *(PX86CPUIDFEATEDX)&Host.edx;
X86CPUIDFEATECX EcxHost = *(PX86CPUIDFEATECX)&Host.ecx;
X86CPUIDFEATEDX EdxGuest = *(PX86CPUIDFEATEDX)&Guest.edx;
X86CPUIDFEATECX EcxGuest = *(PX86CPUIDFEATECX)&Guest.ecx;
pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
pHlp->pfnPrintf(pHlp, "FPU - x87 FPU on Chip = %d (%d)\n", EdxGuest.u1FPU, EdxHost.u1FPU);
pHlp->pfnPrintf(pHlp, "VME - Virtual 8086 Mode Enhancements = %d (%d)\n", EdxGuest.u1VME, EdxHost.u1VME);
pHlp->pfnPrintf(pHlp, "DE - Debugging extensions = %d (%d)\n", EdxGuest.u1DE, EdxHost.u1DE);
pHlp->pfnPrintf(pHlp, "PSE - Page Size Extension = %d (%d)\n", EdxGuest.u1PSE, EdxHost.u1PSE);
pHlp->pfnPrintf(pHlp, "TSC - Time Stamp Counter = %d (%d)\n", EdxGuest.u1TSC, EdxHost.u1TSC);
pHlp->pfnPrintf(pHlp, "MSR - Model Specific Registers = %d (%d)\n", EdxGuest.u1MSR, EdxHost.u1MSR);
pHlp->pfnPrintf(pHlp, "PAE - Physical Address Extension = %d (%d)\n", EdxGuest.u1PAE, EdxHost.u1PAE);
pHlp->pfnPrintf(pHlp, "MCE - Machine Check Exception = %d (%d)\n", EdxGuest.u1MCE, EdxHost.u1MCE);
pHlp->pfnPrintf(pHlp, "CX8 - CMPXCHG8B instruction = %d (%d)\n", EdxGuest.u1CX8, EdxHost.u1CX8);
pHlp->pfnPrintf(pHlp, "APIC - APIC On-Chip = %d (%d)\n", EdxGuest.u1APIC, EdxHost.u1APIC);
pHlp->pfnPrintf(pHlp, "Reserved = %d (%d)\n", EdxGuest.u1Reserved1, EdxHost.u1Reserved1);
pHlp->pfnPrintf(pHlp, "SEP - SYSENTER and SYSEXIT = %d (%d)\n", EdxGuest.u1SEP, EdxHost.u1SEP);
pHlp->pfnPrintf(pHlp, "MTRR - Memory Type Range Registers = %d (%d)\n", EdxGuest.u1MTRR, EdxHost.u1MTRR);
pHlp->pfnPrintf(pHlp, "PGE - PTE Global Bit = %d (%d)\n", EdxGuest.u1PGE, EdxHost.u1PGE);
pHlp->pfnPrintf(pHlp, "MCA - Machine Check Architecture = %d (%d)\n", EdxGuest.u1MCA, EdxHost.u1MCA);
pHlp->pfnPrintf(pHlp, "CMOV - Conditional Move Instructions = %d (%d)\n", EdxGuest.u1CMOV, EdxHost.u1CMOV);
pHlp->pfnPrintf(pHlp, "PAT - Page Attribute Table = %d (%d)\n", EdxGuest.u1PAT, EdxHost.u1PAT);
pHlp->pfnPrintf(pHlp, "PSE-36 - 36-bit Page Size Extention = %d (%d)\n", EdxGuest.u1PSE36, EdxHost.u1PSE36);
pHlp->pfnPrintf(pHlp, "PSN - Processor Serial Number = %d (%d)\n", EdxGuest.u1PSN, EdxHost.u1PSN);
pHlp->pfnPrintf(pHlp, "CLFSH - CLFLUSH Instruction. = %d (%d)\n", EdxGuest.u1CLFSH, EdxHost.u1CLFSH);
pHlp->pfnPrintf(pHlp, "Reserved = %d (%d)\n", EdxGuest.u1Reserved2, EdxHost.u1Reserved2);
pHlp->pfnPrintf(pHlp, "DS - Debug Store = %d (%d)\n", EdxGuest.u1DS, EdxHost.u1DS);
pHlp->pfnPrintf(pHlp, "ACPI - Thermal Mon. & Soft. Clock Ctrl.= %d (%d)\n", EdxGuest.u1ACPI, EdxHost.u1ACPI);
pHlp->pfnPrintf(pHlp, "MMX - Intel MMX Technology = %d (%d)\n", EdxGuest.u1MMX, EdxHost.u1MMX);
pHlp->pfnPrintf(pHlp, "FXSR - FXSAVE and FXRSTOR Instructions = %d (%d)\n", EdxGuest.u1FXSR, EdxHost.u1FXSR);
pHlp->pfnPrintf(pHlp, "SSE - SSE Support = %d (%d)\n", EdxGuest.u1SSE, EdxHost.u1SSE);
pHlp->pfnPrintf(pHlp, "SSE2 - SSE2 Support = %d (%d)\n", EdxGuest.u1SSE2, EdxHost.u1SSE2);
pHlp->pfnPrintf(pHlp, "SS - Self Snoop = %d (%d)\n", EdxGuest.u1SS, EdxHost.u1SS);
pHlp->pfnPrintf(pHlp, "HTT - Hyper-Threading Technolog = %d (%d)\n", EdxGuest.u1HTT, EdxHost.u1HTT);
pHlp->pfnPrintf(pHlp, "TM - Thermal Monitor = %d (%d)\n", EdxGuest.u1TM, EdxHost.u1TM);
pHlp->pfnPrintf(pHlp, "30 - Reserved = %d (%d)\n", EdxGuest.u1Reserved3, EdxHost.u1Reserved3);
pHlp->pfnPrintf(pHlp, "PBE - Pending Break Enable = %d (%d)\n", EdxGuest.u1PBE, EdxHost.u1PBE);
pHlp->pfnPrintf(pHlp, "Supports SSE3 or not = %d (%d)\n", EcxGuest.u1SSE3, EcxHost.u1SSE3);
pHlp->pfnPrintf(pHlp, "Reserved = %d (%d)\n", EcxGuest.u2Reserved1, EcxHost.u2Reserved1);
pHlp->pfnPrintf(pHlp, "Supports MONITOR/MWAIT = %d (%d)\n", EcxGuest.u1Monitor, EcxHost.u1Monitor);
pHlp->pfnPrintf(pHlp, "CPL-DS - CPL Qualified Debug Store = %d (%d)\n", EcxGuest.u1CPLDS, EcxHost.u1CPLDS);
pHlp->pfnPrintf(pHlp, "VMX - Virtual Machine Technology = %d (%d)\n", EcxGuest.u1VMX, EcxHost.u1VMX);
pHlp->pfnPrintf(pHlp, "Reserved = %d (%d)\n", EcxGuest.u1Reserved2, EcxHost.u1Reserved2);
pHlp->pfnPrintf(pHlp, "Enhanced SpeedStep Technology = %d (%d)\n", EcxGuest.u1EST, EcxHost.u1EST);
pHlp->pfnPrintf(pHlp, "Terminal Monitor 2 = %d (%d)\n", EcxGuest.u1TM2, EcxHost.u1TM2);
pHlp->pfnPrintf(pHlp, "Supports Supplemental SSE3 or not = %d (%d)\n", EcxGuest.u1SSSE3, EcxHost.u1SSSE3);
pHlp->pfnPrintf(pHlp, "L1 Context ID = %d (%d)\n", EcxGuest.u1CNTXID, EcxHost.u1CNTXID);
pHlp->pfnPrintf(pHlp, "Reserved = %#x (%#x)\n",EcxGuest.u2Reserved4, EcxHost.u2Reserved4);
pHlp->pfnPrintf(pHlp, "CMPXCHG16B = %d (%d)\n", EcxGuest.u1CX16, EcxHost.u1CX16);
pHlp->pfnPrintf(pHlp, "xTPR Update Control = %d (%d)\n", EcxGuest.u1TPRUpdate, EcxHost.u1TPRUpdate);
pHlp->pfnPrintf(pHlp, "Reserved = %#x (%#x)\n",EcxGuest.u17Reserved5, EcxHost.u17Reserved5);
}
}
if (cStdMax >= 2 && iVerbosity)
{
/** @todo */
}
/*
* Extended.
* Implemented after AMD specs.
*/
unsigned cExtMax = pVM->cpum.s.aGuestCpuIdExt[0].eax & 0xffff;
pHlp->pfnPrintf(pHlp,
"\n"
" RAW Extended CPUIDs\n"
" Function eax ebx ecx edx\n");
for (unsigned i = 0; i <= ELEMENTS(pVM->cpum.s.aGuestCpuIdExt); i++)
{
Guest = pVM->cpum.s.aGuestCpuIdExt[i];
ASMCpuId(0x80000000 | i, &Host.eax, &Host.ebx, &Host.ecx, &Host.edx);
pHlp->pfnPrintf(pHlp,
"Gst: %08x %08x %08x %08x %08x%s\n"
"Hst: %08x %08x %08x %08x\n",
0x80000000 | i, Guest.eax, Guest.ebx, Guest.ecx, Guest.edx,
i <= cExtMax ? "" : "*",
Host.eax, Host.ebx, Host.ecx, Host.edx);
}
/*
* Understandable output
*/
if (iVerbosity && cExtMax >= 0)
{
Guest = pVM->cpum.s.aGuestCpuIdExt[0];
pHlp->pfnPrintf(pHlp,
"Ext Name: %.4s%.4s%.4s\n"
"Ext Supports: 0x80000000-%#010x\n",
&Guest.ebx, &Guest.edx, &Guest.ecx, Guest.eax);
}
if (iVerbosity && cExtMax >= 1)
{
Guest = pVM->cpum.s.aGuestCpuIdExt[1];
uint32_t uEAX = Guest.eax;
pHlp->pfnPrintf(pHlp,
"Family: %d \tExtended: %d \tEffectiv: %d\n"
"Model: %d \tExtended: %d \tEffectiv: %d\n"
"Stepping: %d\n"
"Brand ID: %#05x\n",
(uEAX >> 8) & 0xf, (uEAX >> 20) & 0x7f, ((uEAX >> 8) & 0xf) + (((uEAX >> 8) & 0xf) == 0xf ? (uEAX >> 20) & 0x7f : 0),
(uEAX >> 4) & 0xf, (uEAX >> 16) & 0x0f, ((uEAX >> 4) & 0xf) | (((uEAX >> 4) & 0xf) == 0xf ? (uEAX >> 16) & 0x0f : 0),
(uEAX >> 0) & 0xf,
Guest.ebx & 0xfff);
if (iVerbosity == 1)
{
uint32_t uEDX = Guest.edx;
pHlp->pfnPrintf(pHlp, "Features EDX: ");
if (uEDX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " FPU");
if (uEDX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " VME");
if (uEDX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " DE");
if (uEDX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " PSE");
if (uEDX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " TSC");
if (uEDX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " MSR");
if (uEDX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " PAE");
if (uEDX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " MCE");
if (uEDX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " CX8");
if (uEDX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " APIC");
if (uEDX & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " 10");
if (uEDX & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " SCR");
if (uEDX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " MTRR");
if (uEDX & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PGE");
if (uEDX & RT_BIT(14)) pHlp->pfnPrintf(pHlp, " MCA");
if (uEDX & RT_BIT(15)) pHlp->pfnPrintf(pHlp, " CMOV");
if (uEDX & RT_BIT(16)) pHlp->pfnPrintf(pHlp, " PAT");
if (uEDX & RT_BIT(17)) pHlp->pfnPrintf(pHlp, " PSE36");
if (uEDX & RT_BIT(18)) pHlp->pfnPrintf(pHlp, " 18");
if (uEDX & RT_BIT(19)) pHlp->pfnPrintf(pHlp, " 19");
if (uEDX & RT_BIT(20)) pHlp->pfnPrintf(pHlp, " NX");
if (uEDX & RT_BIT(21)) pHlp->pfnPrintf(pHlp, " 21");
if (uEDX & RT_BIT(22)) pHlp->pfnPrintf(pHlp, " ExtMMX");
if (uEDX & RT_BIT(23)) pHlp->pfnPrintf(pHlp, " MMX");
if (uEDX & RT_BIT(24)) pHlp->pfnPrintf(pHlp, " FXSR");
if (uEDX & RT_BIT(25)) pHlp->pfnPrintf(pHlp, " FastFXSR");
if (uEDX & RT_BIT(26)) pHlp->pfnPrintf(pHlp, " Page1GB");
if (uEDX & RT_BIT(27)) pHlp->pfnPrintf(pHlp, " RDTSCP");
if (uEDX & RT_BIT(28)) pHlp->pfnPrintf(pHlp, " 28");
if (uEDX & RT_BIT(29)) pHlp->pfnPrintf(pHlp, " LongMode");
if (uEDX & RT_BIT(30)) pHlp->pfnPrintf(pHlp, " Ext3DNow");
if (uEDX & RT_BIT(31)) pHlp->pfnPrintf(pHlp, " 3DNow");
pHlp->pfnPrintf(pHlp, "\n");
uint32_t uECX = Guest.ecx;
pHlp->pfnPrintf(pHlp, "Features ECX: ");
if (uECX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " LAHF/SAHF");
if (uECX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " CMPL");
if (uECX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " SVM");
if (uECX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " ExtAPIC");
if (uECX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " CR8L");
if (uECX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " ABM");
if (uECX & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " SSE4A");
if (uECX & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " MISALNSSE");
if (uECX & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " 3DNOWPRF");
if (uECX & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " OSVW");
if (uECX & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " SKINIT");
if (uECX & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " WDT");
for (unsigned iBit = 5; iBit < 32; iBit++)
if (uECX & RT_BIT(iBit))
pHlp->pfnPrintf(pHlp, " %d", iBit);
pHlp->pfnPrintf(pHlp, "\n");
}
else
{
ASMCpuId(0x80000001, &Host.eax, &Host.ebx, &Host.ecx, &Host.edx);
uint32_t uEdxGst = Guest.edx;
uint32_t uEdxHst = Host.edx;
pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
pHlp->pfnPrintf(pHlp, "FPU - x87 FPU on Chip = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
pHlp->pfnPrintf(pHlp, "VME - Virtual 8086 Mode Enhancements = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
pHlp->pfnPrintf(pHlp, "DE - Debugging extensions = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
pHlp->pfnPrintf(pHlp, "PSE - Page Size Extension = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
pHlp->pfnPrintf(pHlp, "TSC - Time Stamp Counter = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
pHlp->pfnPrintf(pHlp, "MSR - K86 Model Specific Registers = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
pHlp->pfnPrintf(pHlp, "PAE - Physical Address Extension = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
pHlp->pfnPrintf(pHlp, "MCE - Machine Check Exception = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
pHlp->pfnPrintf(pHlp, "CX8 - CMPXCHG8B instruction = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
pHlp->pfnPrintf(pHlp, "APIC - APIC On-Chip = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
pHlp->pfnPrintf(pHlp, "10 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
pHlp->pfnPrintf(pHlp, "SEP - SYSCALL and SYSRET = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
pHlp->pfnPrintf(pHlp, "MTRR - Memory Type Range Registers = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
pHlp->pfnPrintf(pHlp, "PGE - PTE Global Bit = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
pHlp->pfnPrintf(pHlp, "MCA - Machine Check Architecture = %d (%d)\n", !!(uEdxGst & RT_BIT(14)), !!(uEdxHst & RT_BIT(14)));
pHlp->pfnPrintf(pHlp, "CMOV - Conditional Move Instructions = %d (%d)\n", !!(uEdxGst & RT_BIT(15)), !!(uEdxHst & RT_BIT(15)));
pHlp->pfnPrintf(pHlp, "PAT - Page Attribute Table = %d (%d)\n", !!(uEdxGst & RT_BIT(16)), !!(uEdxHst & RT_BIT(16)));
pHlp->pfnPrintf(pHlp, "PSE-36 - 36-bit Page Size Extention = %d (%d)\n", !!(uEdxGst & RT_BIT(17)), !!(uEdxHst & RT_BIT(17)));
pHlp->pfnPrintf(pHlp, "18 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(18)), !!(uEdxHst & RT_BIT(18)));
pHlp->pfnPrintf(pHlp, "19 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(19)), !!(uEdxHst & RT_BIT(19)));
pHlp->pfnPrintf(pHlp, "NX - No-Execute Page Protection = %d (%d)\n", !!(uEdxGst & RT_BIT(20)), !!(uEdxHst & RT_BIT(20)));
pHlp->pfnPrintf(pHlp, "DS - Debug Store = %d (%d)\n", !!(uEdxGst & RT_BIT(21)), !!(uEdxHst & RT_BIT(21)));
pHlp->pfnPrintf(pHlp, "AXMMX - AMD Extensions to MMX Instr. = %d (%d)\n", !!(uEdxGst & RT_BIT(22)), !!(uEdxHst & RT_BIT(22)));
pHlp->pfnPrintf(pHlp, "MMX - Intel MMX Technology = %d (%d)\n", !!(uEdxGst & RT_BIT(23)), !!(uEdxHst & RT_BIT(23)));
pHlp->pfnPrintf(pHlp, "FXSR - FXSAVE and FXRSTOR Instructions = %d (%d)\n", !!(uEdxGst & RT_BIT(24)), !!(uEdxHst & RT_BIT(24)));
pHlp->pfnPrintf(pHlp, "25 - AMD fast FXSAVE and FXRSTOR Instr.= %d (%d)\n", !!(uEdxGst & RT_BIT(25)), !!(uEdxHst & RT_BIT(25)));
pHlp->pfnPrintf(pHlp, "26 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(26)), !!(uEdxHst & RT_BIT(26)));
pHlp->pfnPrintf(pHlp, "27 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(27)), !!(uEdxHst & RT_BIT(27)));
pHlp->pfnPrintf(pHlp, "28 - Reserved = %d (%d)\n", !!(uEdxGst & RT_BIT(28)), !!(uEdxHst & RT_BIT(28)));
pHlp->pfnPrintf(pHlp, "29 - AMD Long Mode = %d (%d)\n", !!(uEdxGst & RT_BIT(29)), !!(uEdxHst & RT_BIT(29)));
pHlp->pfnPrintf(pHlp, "30 - AMD Extensions to 3DNow = %d (%d)\n", !!(uEdxGst & RT_BIT(30)), !!(uEdxHst & RT_BIT(30)));
pHlp->pfnPrintf(pHlp, "31 - AMD 3DNow = %d (%d)\n", !!(uEdxGst & RT_BIT(31)), !!(uEdxHst & RT_BIT(31)));
uint32_t uEcxGst = Guest.ecx;
uint32_t uEcxHst = Host.ecx;
pHlp->pfnPrintf(pHlp, "LahfSahf - LAHF/SAHF in 64-bit mode = %d (%d)\n", !!(uEcxGst & RT_BIT( 0)), !!(uEcxHst & RT_BIT( 0)));
pHlp->pfnPrintf(pHlp, "CmpLegacy - Core MP legacy mode (depr) = %d (%d)\n", !!(uEcxGst & RT_BIT( 1)), !!(uEcxHst & RT_BIT( 1)));
pHlp->pfnPrintf(pHlp, "SVM - AMD VM Extensions = %d (%d)\n", !!(uEcxGst & RT_BIT( 2)), !!(uEcxHst & RT_BIT( 2)));
pHlp->pfnPrintf(pHlp, "APIC registers starting at 0x400 = %d (%d)\n", !!(uEcxGst & RT_BIT( 3)), !!(uEcxHst & RT_BIT( 3)));
pHlp->pfnPrintf(pHlp, "AltMovCR8 - LOCK MOV CR0 means MOV CR8 = %d (%d)\n", !!(uEcxGst & RT_BIT( 4)), !!(uEcxHst & RT_BIT( 4)));
pHlp->pfnPrintf(pHlp, "Advanced bit manipulation = %d (%d)\n", !!(uEcxGst & RT_BIT( 5)), !!(uEcxHst & RT_BIT( 5)));
pHlp->pfnPrintf(pHlp, "SSE4A instruction support = %d (%d)\n", !!(uEcxGst & RT_BIT( 6)), !!(uEcxHst & RT_BIT( 6)));
pHlp->pfnPrintf(pHlp, "Misaligned SSE mode = %d (%d)\n", !!(uEcxGst & RT_BIT( 7)), !!(uEcxHst & RT_BIT( 7)));
pHlp->pfnPrintf(pHlp, "PREFETCH and PREFETCHW instruction = %d (%d)\n", !!(uEcxGst & RT_BIT( 8)), !!(uEcxHst & RT_BIT( 8)));
pHlp->pfnPrintf(pHlp, "OS visible workaround = %d (%d)\n", !!(uEcxGst & RT_BIT( 9)), !!(uEcxHst & RT_BIT( 9)));
pHlp->pfnPrintf(pHlp, "11:10 - Reserved = %#x (%#x)\n", (uEcxGst >> 10) & 3, (uEcxHst >> 10) & 3);
pHlp->pfnPrintf(pHlp, "SKINIT, STGI, and DEV support = %d (%d)\n", !!(uEcxGst & RT_BIT(12)), !!(uEcxHst & RT_BIT(12)));
pHlp->pfnPrintf(pHlp, "Watchdog timer support. = %d (%d)\n", !!(uEcxGst & RT_BIT(13)), !!(uEcxHst & RT_BIT(13)));
pHlp->pfnPrintf(pHlp, "31:14 - Reserved = %#x (%#x)\n", uEcxGst >> 14, uEcxHst >> 14);
}
}
if (iVerbosity && cExtMax >= 2)
{
char szString[4*4*3+1] = {0};
uint32_t *pu32 = (uint32_t *)szString;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[2].eax;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[2].ebx;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[2].ecx;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[2].edx;
if (cExtMax >= 3)
{
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[3].eax;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[3].ebx;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[3].ecx;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[3].edx;
}
if (cExtMax >= 4)
{
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[4].eax;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[4].ebx;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[4].ecx;
*pu32++ = pVM->cpum.s.aGuestCpuIdExt[4].edx;
}
pHlp->pfnPrintf(pHlp, "Full Name: %s\n", szString);
}
if (iVerbosity && cExtMax >= 5)
{
uint32_t uEAX = pVM->cpum.s.aGuestCpuIdExt[5].eax;
uint32_t uEBX = pVM->cpum.s.aGuestCpuIdExt[5].ebx;
uint32_t uECX = pVM->cpum.s.aGuestCpuIdExt[5].ecx;
uint32_t uEDX = pVM->cpum.s.aGuestCpuIdExt[5].edx;
char sz1[32];
char sz2[32];
pHlp->pfnPrintf(pHlp,
"TLB 2/4M Instr/Uni: %s %3d entries\n"
"TLB 2/4M Data: %s %3d entries\n",
getCacheAss((uEAX >> 8) & 0xff, sz1), (uEAX >> 0) & 0xff,
getCacheAss((uEAX >> 24) & 0xff, sz2), (uEAX >> 16) & 0xff);
pHlp->pfnPrintf(pHlp,
"TLB 4K Instr/Uni: %s %3d entries\n"
"TLB 4K Data: %s %3d entries\n",
getCacheAss((uEBX >> 8) & 0xff, sz1), (uEBX >> 0) & 0xff,
getCacheAss((uEBX >> 24) & 0xff, sz2), (uEBX >> 16) & 0xff);
pHlp->pfnPrintf(pHlp, "L1 Instr Cache Line Size: %d bytes\n"
"L1 Instr Cache Lines Per Tag: %d\n"
"L1 Instr Cache Associativity: %s\n"
"L1 Instr Cache Size: %d KB\n",
(uEDX >> 0) & 0xff,
(uEDX >> 8) & 0xff,
getCacheAss((uEDX >> 16) & 0xff, sz1),
(uEDX >> 24) & 0xff);
pHlp->pfnPrintf(pHlp,
"L1 Data Cache Line Size: %d bytes\n"
"L1 Data Cache Lines Per Tag: %d\n"
"L1 Data Cache Associativity: %s\n"
"L1 Data Cache Size: %d KB\n",
(uECX >> 0) & 0xff,
(uECX >> 8) & 0xff,
getCacheAss((uECX >> 16) & 0xff, sz1),
(uECX >> 24) & 0xff);
}
if (iVerbosity && cExtMax >= 6)
{
uint32_t uEAX = pVM->cpum.s.aGuestCpuIdExt[6].eax;
uint32_t uEBX = pVM->cpum.s.aGuestCpuIdExt[6].ebx;
uint32_t uEDX = pVM->cpum.s.aGuestCpuIdExt[6].edx;
pHlp->pfnPrintf(pHlp,
"L2 TLB 2/4M Instr/Uni: %s %4d entries\n"
"L2 TLB 2/4M Data: %s %4d entries\n",
getL2CacheAss((uEAX >> 12) & 0xf), (uEAX >> 0) & 0xfff,
getL2CacheAss((uEAX >> 28) & 0xf), (uEAX >> 16) & 0xfff);
pHlp->pfnPrintf(pHlp,
"L2 TLB 4K Instr/Uni: %s %4d entries\n"
"L2 TLB 4K Data: %s %4d entries\n",
getL2CacheAss((uEBX >> 12) & 0xf), (uEBX >> 0) & 0xfff,
getL2CacheAss((uEBX >> 28) & 0xf), (uEBX >> 16) & 0xfff);
pHlp->pfnPrintf(pHlp,
"L2 Cache Line Size: %d bytes\n"
"L2 Cache Lines Per Tag: %d\n"
"L2 Cache Associativity: %s\n"
"L2 Cache Size: %d KB\n",
(uEDX >> 0) & 0xff,
(uEDX >> 8) & 0xf,
getL2CacheAss((uEDX >> 12) & 0xf),
(uEDX >> 16) & 0xffff);
}
if (iVerbosity && cExtMax >= 7)
{
uint32_t uEDX = pVM->cpum.s.aGuestCpuIdExt[7].edx;
pHlp->pfnPrintf(pHlp, "APM Features: ");
if (uEDX & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " TS");
if (uEDX & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " FID");
if (uEDX & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " VID");
if (uEDX & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " TTP");
if (uEDX & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " TM");
if (uEDX & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " STC");
for (unsigned iBit = 6; iBit < 32; iBit++)
if (uEDX & RT_BIT(iBit))
pHlp->pfnPrintf(pHlp, " %d", iBit);
pHlp->pfnPrintf(pHlp, "\n");
}
if (iVerbosity && cExtMax >= 8)
{
uint32_t uEAX = pVM->cpum.s.aGuestCpuIdExt[8].eax;
uint32_t uECX = pVM->cpum.s.aGuestCpuIdExt[8].ecx;
pHlp->pfnPrintf(pHlp,
"Physical Address Width: %d bits\n"
"Virtual Address Width: %d bits\n",
(uEAX >> 0) & 0xff,
(uEAX >> 8) & 0xff);
pHlp->pfnPrintf(pHlp,
"Physical Core Count: %d\n",
(uECX >> 0) & 0xff);
}
/*
* Centaur.
*/
unsigned cCentaurMax = pVM->cpum.s.aGuestCpuIdCentaur[0].eax & 0xffff;
pHlp->pfnPrintf(pHlp,
"\n"
" RAW Centaur CPUIDs\n"
" Function eax ebx ecx edx\n");
for (unsigned i = 0; i <= RT_ELEMENTS(pVM->cpum.s.aGuestCpuIdCentaur); i++)
{
Guest = pVM->cpum.s.aGuestCpuIdCentaur[i];
ASMCpuId(0xc0000000 | i, &Host.eax, &Host.ebx, &Host.ecx, &Host.edx);
pHlp->pfnPrintf(pHlp,
"Gst: %08x %08x %08x %08x %08x%s\n"
"Hst: %08x %08x %08x %08x\n",
0xc0000000 | i, Guest.eax, Guest.ebx, Guest.ecx, Guest.edx,
i <= cCentaurMax ? "" : "*",
Host.eax, Host.ebx, Host.ecx, Host.edx);
}
/*
* Understandable output
*/
if (iVerbosity && cCentaurMax >= 0)
{
Guest = pVM->cpum.s.aGuestCpuIdCentaur[0];
pHlp->pfnPrintf(pHlp,
"Centaur Supports: 0xc0000000-%#010x\n",
Guest.eax);
}
if (iVerbosity && cCentaurMax >= 1)
{
ASMCpuId(0xc0000001, &Host.eax, &Host.ebx, &Host.ecx, &Host.edx);
uint32_t uEdxGst = pVM->cpum.s.aGuestCpuIdExt[1].edx;
uint32_t uEdxHst = Host.edx;
if (iVerbosity == 1)
{
pHlp->pfnPrintf(pHlp, "Centaur Features EDX: ");
if (uEdxGst & RT_BIT(0)) pHlp->pfnPrintf(pHlp, " AIS");
if (uEdxGst & RT_BIT(1)) pHlp->pfnPrintf(pHlp, " AIS-E");
if (uEdxGst & RT_BIT(2)) pHlp->pfnPrintf(pHlp, " RNG");
if (uEdxGst & RT_BIT(3)) pHlp->pfnPrintf(pHlp, " RNG-E");
if (uEdxGst & RT_BIT(4)) pHlp->pfnPrintf(pHlp, " LH");
if (uEdxGst & RT_BIT(5)) pHlp->pfnPrintf(pHlp, " FEMMS");
if (uEdxGst & RT_BIT(6)) pHlp->pfnPrintf(pHlp, " ACE");
if (uEdxGst & RT_BIT(7)) pHlp->pfnPrintf(pHlp, " ACE-E");
/* possibly indicating MM/HE and MM/HE-E on older chips... */
if (uEdxGst & RT_BIT(8)) pHlp->pfnPrintf(pHlp, " ACE2");
if (uEdxGst & RT_BIT(9)) pHlp->pfnPrintf(pHlp, " ACE2-E");
if (uEdxGst & RT_BIT(10)) pHlp->pfnPrintf(pHlp, " PHE");
if (uEdxGst & RT_BIT(11)) pHlp->pfnPrintf(pHlp, " PHE-E");
if (uEdxGst & RT_BIT(12)) pHlp->pfnPrintf(pHlp, " PMM");
if (uEdxGst & RT_BIT(13)) pHlp->pfnPrintf(pHlp, " PMM-E");
for (unsigned iBit = 14; iBit < 32; iBit++)
if (uEdxGst & RT_BIT(iBit))
pHlp->pfnPrintf(pHlp, " %d", iBit);
pHlp->pfnPrintf(pHlp, "\n");
}
else
{
pHlp->pfnPrintf(pHlp, "Mnemonic - Description = guest (host)\n");
pHlp->pfnPrintf(pHlp, "AIS - Alternate Instruction Set = %d (%d)\n", !!(uEdxGst & RT_BIT( 0)), !!(uEdxHst & RT_BIT( 0)));
pHlp->pfnPrintf(pHlp, "AIS-E - AIS enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 1)), !!(uEdxHst & RT_BIT( 1)));
pHlp->pfnPrintf(pHlp, "RNG - Random Number Generator = %d (%d)\n", !!(uEdxGst & RT_BIT( 2)), !!(uEdxHst & RT_BIT( 2)));
pHlp->pfnPrintf(pHlp, "RNG-E - RNG enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 3)), !!(uEdxHst & RT_BIT( 3)));
pHlp->pfnPrintf(pHlp, "LH - LongHaul MSR 0000_110Ah = %d (%d)\n", !!(uEdxGst & RT_BIT( 4)), !!(uEdxHst & RT_BIT( 4)));
pHlp->pfnPrintf(pHlp, "FEMMS - FEMMS = %d (%d)\n", !!(uEdxGst & RT_BIT( 5)), !!(uEdxHst & RT_BIT( 5)));
pHlp->pfnPrintf(pHlp, "ACE - Advanced Cryptography Engine = %d (%d)\n", !!(uEdxGst & RT_BIT( 6)), !!(uEdxHst & RT_BIT( 6)));
pHlp->pfnPrintf(pHlp, "ACE-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 7)), !!(uEdxHst & RT_BIT( 7)));
/* possibly indicating MM/HE and MM/HE-E on older chips... */
pHlp->pfnPrintf(pHlp, "ACE2 - Advanced Cryptography Engine 2 = %d (%d)\n", !!(uEdxGst & RT_BIT( 8)), !!(uEdxHst & RT_BIT( 8)));
pHlp->pfnPrintf(pHlp, "ACE2-E - ACE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT( 9)), !!(uEdxHst & RT_BIT( 9)));
pHlp->pfnPrintf(pHlp, "PHE - Hash Engine = %d (%d)\n", !!(uEdxGst & RT_BIT(10)), !!(uEdxHst & RT_BIT(10)));
pHlp->pfnPrintf(pHlp, "PHE-E - PHE enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(11)), !!(uEdxHst & RT_BIT(11)));
pHlp->pfnPrintf(pHlp, "PMM - Montgomery Multiplier = %d (%d)\n", !!(uEdxGst & RT_BIT(12)), !!(uEdxHst & RT_BIT(12)));
pHlp->pfnPrintf(pHlp, "PMM-E - PMM enabled = %d (%d)\n", !!(uEdxGst & RT_BIT(13)), !!(uEdxHst & RT_BIT(13)));
for (unsigned iBit = 14; iBit < 32; iBit++)
if ((uEdxGst | uEdxHst) & RT_BIT(iBit))
pHlp->pfnPrintf(pHlp, "Bit %d = %d (%d)\n", !!(uEdxGst & RT_BIT(iBit)), !!(uEdxHst & RT_BIT(iBit)));
pHlp->pfnPrintf(pHlp, "\n");
}
}
}
/**
* Structure used when disassembling and instructions in DBGF.
* This is used so the reader function can get the stuff it needs.
*/
typedef struct CPUMDISASSTATE
{
/** Pointer to the CPU structure. */
PDISCPUSTATE pCpu;
/** The VM handle. */
PVM pVM;
/** Pointer to the first byte in the segemnt. */
RTGCUINTPTR GCPtrSegBase;
/** Pointer to the byte after the end of the segment. (might have wrapped!) */
RTGCUINTPTR GCPtrSegEnd;
/** The size of the segment minus 1. */
RTGCUINTPTR cbSegLimit;
/** Pointer to the current page - HC Ptr. */
void *pvPageHC;
/** Pointer to the current page - GC Ptr. */
RTGCPTR pvPageGC;
/** The lock information that PGMPhysReleasePageMappingLock needs. */
PGMPAGEMAPLOCK PageMapLock;
/** Whether the PageMapLock is valid or not. */
bool fLocked;
} CPUMDISASSTATE, *PCPUMDISASSTATE;
/**
* Instruction reader.
*
* @returns VBox status code.
* @param PtrSrc Address to read from.
* In our case this is relative to the selector pointed to by the 2nd user argument of uDisCpu.
* @param pu8Dst Where to store the bytes.
* @param cbRead Number of bytes to read.
* @param uDisCpu Pointer to the disassembler cpu state.
* In this context it's always pointer to the Core of a DBGFDISASSTATE.
*/
static DECLCALLBACK(int) cpumR3DisasInstrRead(RTHCUINTPTR PtrSrc, uint8_t *pu8Dst, uint32_t cbRead, void *uDisCpu)
{
PDISCPUSTATE pCpu = (PDISCPUSTATE)uDisCpu;
PCPUMDISASSTATE pState = (PCPUMDISASSTATE)pCpu->apvUserData[0];
Assert(cbRead > 0);
for (;;)
{
RTGCUINTPTR GCPtr = PtrSrc + pState->GCPtrSegBase;
/* Need to update the page translation? */
if ( !pState->pvPageHC
|| (GCPtr >> PAGE_SHIFT) != (pState->pvPageGC >> PAGE_SHIFT))
{
int rc = VINF_SUCCESS;
/* translate the address */
pState->pvPageGC = GCPtr & PAGE_BASE_GC_MASK;
if (MMHyperIsInsideArea(pState->pVM, pState->pvPageGC))
{
pState->pvPageHC = MMHyperGC2HC(pState->pVM, pState->pvPageGC);
if (!pState->pvPageHC)
rc = VERR_INVALID_POINTER;
}
else
{
/* Release mapping lock previously acquired. */
if (pState->fLocked)
PGMPhysReleasePageMappingLock(pState->pVM, &pState->PageMapLock);
rc = PGMPhysGCPtr2CCPtrReadOnly(pState->pVM, pState->pvPageGC, &pState->pvPageHC, &pState->PageMapLock);
pState->fLocked = RT_SUCCESS_NP(rc);
}
if (VBOX_FAILURE(rc))
{
pState->pvPageHC = NULL;
return rc;
}
}
/* check the segemnt limit */
if (PtrSrc > pState->cbSegLimit)
return VERR_OUT_OF_SELECTOR_BOUNDS;
/* calc how much we can read */
uint32_t cb = PAGE_SIZE - (GCPtr & PAGE_OFFSET_MASK);
RTGCUINTPTR cbSeg = pState->GCPtrSegEnd - GCPtr;
if (cb > cbSeg && !cbSeg)
cb = cbSeg;
if (cb > cbRead)
cb = cbRead;
/* read and advance */
memcpy(pu8Dst, (char *)pState->pvPageHC + (GCPtr & PAGE_OFFSET_MASK), cb);
cbRead -= cb;
if (!cbRead)
return VINF_SUCCESS;
pu8Dst += cb;
PtrSrc += cb;
}
}
/**
* Disassemble an instruction and return the information in the provided structure.
*
* @returns VBox status code.
* @param pVM VM Handle
* @param pCtx CPU context
* @param GCPtrPC Program counter (relative to CS) to disassemble from.
* @param pCpu Disassembly state
* @param pszPrefix String prefix for logging (debug only)
*
*/
CPUMR3DECL(int) CPUMR3DisasmInstrCPU(PVM pVM, PCPUMCTX pCtx, RTGCPTR GCPtrPC, PDISCPUSTATE pCpu, const char *pszPrefix)
{
CPUMDISASSTATE State;
int rc;
State.pCpu = pCpu;
State.pvPageGC = 0;
State.pvPageHC = NULL;
State.pVM = pVM;
State.fLocked = false;
/*
* Get selector information.
*/
if ( (pCtx->cr0 & X86_CR0_PE)
&& pCtx->eflags.Bits.u1VM == 0)
{
if (CPUMAreHiddenSelRegsValid(pVM))
{
State.GCPtrSegBase = pCtx->csHid.u32Base;
State.GCPtrSegEnd = pCtx->csHid.u32Limit + 1 + (RTGCUINTPTR)pCtx->csHid.u32Base;
State.cbSegLimit = pCtx->csHid.u32Limit;
pCpu->mode = pCtx->csHid.Attr.n.u1DefBig ? CPUMODE_32BIT : CPUMODE_16BIT;
}
else
{
SELMSELINFO SelInfo;
rc = SELMR3GetShadowSelectorInfo(pVM, pCtx->cs, &SelInfo);
if (!VBOX_SUCCESS(rc))
{
AssertMsgFailed(("SELMR3GetShadowSelectorInfo failed for %04X:%VGv rc=%d\n", pCtx->cs, GCPtrPC, rc));
return rc;
}
/*
* Validate the selector.
*/
rc = SELMSelInfoValidateCS(&SelInfo, pCtx->ss);
if (!VBOX_SUCCESS(rc))
{
AssertMsgFailed(("SELMSelInfoValidateCS failed for %04X:%VGv rc=%d\n", pCtx->cs, GCPtrPC, rc));
return rc;
}
State.GCPtrSegBase = SelInfo.GCPtrBase;
State.GCPtrSegEnd = SelInfo.cbLimit + 1 + (RTGCUINTPTR)SelInfo.GCPtrBase;
State.cbSegLimit = SelInfo.cbLimit;
pCpu->mode = SelInfo.Raw.Gen.u1DefBig ? CPUMODE_32BIT : CPUMODE_16BIT;
}
}
else
{
/* real or V86 mode */
pCpu->mode = CPUMODE_16BIT;
State.GCPtrSegBase = pCtx->cs * 16;
State.GCPtrSegEnd = 0xFFFFFFFF;
State.cbSegLimit = 0xFFFFFFFF;
}
/*
* Disassemble the instruction.
*/
pCpu->pfnReadBytes = cpumR3DisasInstrRead;
pCpu->apvUserData[0] = &State;
uint32_t cbInstr;
#ifdef LOG_ENABLED
rc = DISInstr(pCpu, GCPtrPC, 0, &cbInstr, NULL);
if (VBOX_SUCCESS(rc))
{
#else
char szOutput[160];
rc = DISInstr(pCpu, GCPtrPC, 0, &cbInstr, &szOutput[0]);
if (VBOX_SUCCESS(rc))
{
/* log it */
if (pszPrefix)
Log(("%s: %s", pszPrefix, szOutput));
else
Log(("%s", szOutput));
#endif
rc = VINF_SUCCESS;
}
else
Log(("CPUMR3DisasmInstrCPU: DISInstr failed for %04X:%VGv rc=%Vrc\n", pCtx->cs, GCPtrPC, rc));
/* Release mapping lock acquired in cpumR3DisasInstrRead. */
if (State.fLocked)
PGMPhysReleasePageMappingLock(pVM, &State.PageMapLock);
return rc;
}
#ifdef DEBUG
/**
* Disassemble an instruction and dump it to the log
*
* @returns VBox status code.
* @param pVM VM Handle
* @param pCtx CPU context
* @param pc GC instruction pointer
* @param prefix String prefix for logging
* @deprecated Use DBGFR3DisasInstrCurrentLog().
*
*/
CPUMR3DECL(void) CPUMR3DisasmInstr(PVM pVM, PCPUMCTX pCtx, RTGCPTR pc, char *prefix)
{
DISCPUSTATE cpu;
CPUMR3DisasmInstrCPU(pVM, pCtx, pc, &cpu, prefix);
}
/**
* Disassemble an instruction and dump it to the log
*
* @returns VBox status code.
* @param pVM VM Handle
* @param pCtx CPU context
* @param pc GC instruction pointer
* @param prefix String prefix for logging
* @param nrInstructions
*
*/
CPUMR3DECL(void) CPUMR3DisasmBlock(PVM pVM, PCPUMCTX pCtx, RTGCPTR pc, char *prefix, int nrInstructions)
{
for(int i=0;i<nrInstructions;i++)
{
DISCPUSTATE cpu;
CPUMR3DisasmInstrCPU(pVM, pCtx, pc, &cpu, prefix);
pc += cpu.opsize;
}
}
#endif
#ifdef DEBUG
/**
* Debug helper - Saves guest context on raw mode entry (for fatal dump)
*
* @internal
*/
CPUMR3DECL(void) CPUMR3SaveEntryCtx(PVM pVM)
{
pVM->cpum.s.GuestEntry = pVM->cpum.s.Guest;
}
#endif
/**
* API for controlling a few of the CPU features found in CR4.
*
* Currently only X86_CR4_TSD is accepted as input.
*
* @returns VBox status code.
*
* @param pVM The VM handle.
* @param fOr The CR4 OR mask.
* @param fAnd The CR4 AND mask.
*/
CPUMR3DECL(int) CPUMR3SetCR4Feature(PVM pVM, RTHCUINTREG fOr, RTHCUINTREG fAnd)
{
AssertMsgReturn(!(fOr & ~(X86_CR4_TSD)), ("%#x\n", fOr), VERR_INVALID_PARAMETER);
AssertMsgReturn((fAnd & ~(X86_CR4_TSD)) == ~(X86_CR4_TSD), ("%#x\n", fAnd), VERR_INVALID_PARAMETER);
pVM->cpum.s.CR4.OrMask &= fAnd;
pVM->cpum.s.CR4.OrMask |= fOr;
return VINF_SUCCESS;
}