/* $Id: CPUMDbg.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */ /** @file * CPUM - CPU Monitor / Manager, Debugger & Debugging APIs. */ /* * Copyright (C) 2010-2024 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program 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 3 of the * License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * SPDX-License-Identifier: GPL-3.0-only */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP LOG_GROUP_DBGF #include #include #include #include "CPUMInternal.h" #include #include #include #include #include #include #include /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGet_Generic(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; void const *pv = (uint8_t const *)&pVCpu->cpum + pDesc->offRegister; VMCPU_ASSERT_EMT(pVCpu); switch (pDesc->enmType) { case DBGFREGVALTYPE_U8: pValue->u8 = *(uint8_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U16: pValue->u16 = *(uint16_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U32: pValue->u32 = *(uint32_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U64: pValue->u64 = *(uint64_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U128: pValue->u128 = *(PCRTUINT128U )pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U256: pValue->u256 = *(PCRTUINT256U )pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U512: pValue->u512 = *(PCRTUINT512U )pv; return VINF_SUCCESS; default: AssertMsgFailedReturn(("%d %s\n", pDesc->enmType, pDesc->pszName), VERR_IPE_NOT_REACHED_DEFAULT_CASE); } } /** * @interface_method_impl{DBGFREGDESC,pfnSet} */ static DECLCALLBACK(int) cpumR3RegSet_Generic(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { PVMCPU pVCpu = (PVMCPU)pvUser; void *pv = (uint8_t *)&pVCpu->cpum + pDesc->offRegister; VMCPU_ASSERT_EMT(pVCpu); switch (pDesc->enmType) { case DBGFREGVALTYPE_U8: *(uint8_t *)pv &= ~pfMask->u8; *(uint8_t *)pv |= pValue->u8 & pfMask->u8; return VINF_SUCCESS; case DBGFREGVALTYPE_U16: *(uint16_t *)pv &= ~pfMask->u16; *(uint16_t *)pv |= pValue->u16 & pfMask->u16; return VINF_SUCCESS; case DBGFREGVALTYPE_U32: *(uint32_t *)pv &= ~pfMask->u32; *(uint32_t *)pv |= pValue->u32 & pfMask->u32; return VINF_SUCCESS; case DBGFREGVALTYPE_U64: *(uint64_t *)pv &= ~pfMask->u64; *(uint64_t *)pv |= pValue->u64 & pfMask->u64; return VINF_SUCCESS; case DBGFREGVALTYPE_U128: { RTUINT128U Val; RTUInt128AssignAnd((PRTUINT128U)pv, RTUInt128AssignBitwiseNot(RTUInt128Assign(&Val, &pfMask->u128))); RTUInt128AssignOr((PRTUINT128U)pv, RTUInt128AssignAnd(RTUInt128Assign(&Val, &pValue->u128), &pfMask->u128)); return VINF_SUCCESS; } default: AssertMsgFailedReturn(("%d %s\n", pDesc->enmType, pDesc->pszName), VERR_IPE_NOT_REACHED_DEFAULT_CASE); } } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGet_XStateGeneric(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; void const *pv = (uint8_t const *)&pVCpu->cpum.s.Guest.XState + pDesc->offRegister; VMCPU_ASSERT_EMT(pVCpu); switch (pDesc->enmType) { case DBGFREGVALTYPE_U8: pValue->u8 = *(uint8_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U16: pValue->u16 = *(uint16_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U32: pValue->u32 = *(uint32_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U64: pValue->u64 = *(uint64_t const *)pv; return VINF_SUCCESS; case DBGFREGVALTYPE_U128: pValue->u128 = *(PCRTUINT128U )pv; return VINF_SUCCESS; default: AssertMsgFailedReturn(("%d %s\n", pDesc->enmType, pDesc->pszName), VERR_IPE_NOT_REACHED_DEFAULT_CASE); } } /** * @interface_method_impl{DBGFREGDESC,pfnSet} */ static DECLCALLBACK(int) cpumR3RegSet_XStateGeneric(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { PVMCPU pVCpu = (PVMCPU)pvUser; void *pv = (uint8_t *)&pVCpu->cpum.s.Guest.XState + pDesc->offRegister; VMCPU_ASSERT_EMT(pVCpu); switch (pDesc->enmType) { case DBGFREGVALTYPE_U8: *(uint8_t *)pv &= ~pfMask->u8; *(uint8_t *)pv |= pValue->u8 & pfMask->u8; return VINF_SUCCESS; case DBGFREGVALTYPE_U16: *(uint16_t *)pv &= ~pfMask->u16; *(uint16_t *)pv |= pValue->u16 & pfMask->u16; return VINF_SUCCESS; case DBGFREGVALTYPE_U32: *(uint32_t *)pv &= ~pfMask->u32; *(uint32_t *)pv |= pValue->u32 & pfMask->u32; return VINF_SUCCESS; case DBGFREGVALTYPE_U64: *(uint64_t *)pv &= ~pfMask->u64; *(uint64_t *)pv |= pValue->u64 & pfMask->u64; return VINF_SUCCESS; case DBGFREGVALTYPE_U128: { RTUINT128U Val; RTUInt128AssignAnd((PRTUINT128U)pv, RTUInt128AssignBitwiseNot(RTUInt128Assign(&Val, &pfMask->u128))); RTUInt128AssignOr((PRTUINT128U)pv, RTUInt128AssignAnd(RTUInt128Assign(&Val, &pValue->u128), &pfMask->u128)); return VINF_SUCCESS; } default: AssertMsgFailedReturn(("%d %s\n", pDesc->enmType, pDesc->pszName), VERR_IPE_NOT_REACHED_DEFAULT_CASE); } } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegSet_seg(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { /** @todo perform a selector load, updating hidden selectors and stuff. */ NOREF(pvUser); NOREF(pDesc); NOREF(pValue); NOREF(pfMask); return VERR_NOT_IMPLEMENTED; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGet_gdtr(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; VBOXGDTR const *pGdtr = (VBOXGDTR const *)((uint8_t const *)&pVCpu->cpum + pDesc->offRegister); VMCPU_ASSERT_EMT(pVCpu); Assert(pDesc->enmType == DBGFREGVALTYPE_DTR); pValue->dtr.u32Limit = pGdtr->cbGdt; pValue->dtr.u64Base = pGdtr->pGdt; return VINF_SUCCESS; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegSet_gdtr(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { RT_NOREF(pfMask); PVMCPU pVCpu = (PVMCPU)pvUser; VBOXGDTR *pGdtr = (VBOXGDTR *)((uint8_t *)&pVCpu->cpum + pDesc->offRegister); VMCPU_ASSERT_EMT(pVCpu); Assert(pDesc->enmType == DBGFREGVALTYPE_DTR); pGdtr->cbGdt = pValue->dtr.u32Limit; pGdtr->pGdt = pValue->dtr.u64Base; return VINF_SUCCESS; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGet_idtr(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; VBOXIDTR const *pIdtr = (VBOXIDTR const *)((uint8_t const *)&pVCpu->cpum + pDesc->offRegister); VMCPU_ASSERT_EMT(pVCpu); Assert(pDesc->enmType == DBGFREGVALTYPE_DTR); pValue->dtr.u32Limit = pIdtr->cbIdt; pValue->dtr.u64Base = pIdtr->pIdt; return VINF_SUCCESS; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegSet_idtr(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { RT_NOREF(pfMask); PVMCPU pVCpu = (PVMCPU)pvUser; VBOXIDTR *pIdtr = (VBOXIDTR *)((uint8_t *)&pVCpu->cpum + pDesc->offRegister); VMCPU_ASSERT_EMT(pVCpu); Assert(pDesc->enmType == DBGFREGVALTYPE_DTR); pIdtr->cbIdt = pValue->dtr.u32Limit; pIdtr->pIdt = pValue->dtr.u64Base; return VINF_SUCCESS; } /** * Determins the tag register value for a CPU register when the FPU state * format is FXSAVE. * * @returns The tag register value. * @param pFpu Pointer to the guest FPU. * @param iReg The register number (0..7). */ DECLINLINE(uint16_t) cpumR3RegCalcFpuTagFromFxSave(PCX86FXSTATE pFpu, unsigned iReg) { /* * See table 11-1 in the AMD docs. */ if (!(pFpu->FTW & RT_BIT_32(iReg))) return 3; /* b11 - empty */ uint16_t const uExp = pFpu->aRegs[iReg].au16[4]; if (uExp == 0) { if (pFpu->aRegs[iReg].au64[0] == 0) /* J & M == 0 */ return 1; /* b01 - zero */ return 2; /* b10 - special */ } if (uExp == UINT16_C(0xffff)) return 2; /* b10 - special */ if (!(pFpu->aRegs[iReg].au64[0] >> 63)) /* J == 0 */ return 2; /* b10 - special */ return 0; /* b00 - valid (normal) */ } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGet_ftw(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; PCX86FXSTATE pFpu = (PCX86FXSTATE)((uint8_t const *)&pVCpu->cpum + pDesc->offRegister); VMCPU_ASSERT_EMT(pVCpu); Assert(pDesc->enmType == DBGFREGVALTYPE_U16); pValue->u16 = cpumR3RegCalcFpuTagFromFxSave(pFpu, 0) | (cpumR3RegCalcFpuTagFromFxSave(pFpu, 1) << 2) | (cpumR3RegCalcFpuTagFromFxSave(pFpu, 2) << 4) | (cpumR3RegCalcFpuTagFromFxSave(pFpu, 3) << 6) | (cpumR3RegCalcFpuTagFromFxSave(pFpu, 4) << 8) | (cpumR3RegCalcFpuTagFromFxSave(pFpu, 5) << 10) | (cpumR3RegCalcFpuTagFromFxSave(pFpu, 6) << 12) | (cpumR3RegCalcFpuTagFromFxSave(pFpu, 7) << 14); return VINF_SUCCESS; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegSet_ftw(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { NOREF(pvUser); NOREF(pDesc); NOREF(pValue); NOREF(pfMask); return VERR_DBGF_READ_ONLY_REGISTER; } #if 0 /* unused */ /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGet_Dummy(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { RT_NOREF_PV(pvUser); switch (pDesc->enmType) { case DBGFREGVALTYPE_U8: pValue->u8 = 0; return VINF_SUCCESS; case DBGFREGVALTYPE_U16: pValue->u16 = 0; return VINF_SUCCESS; case DBGFREGVALTYPE_U32: pValue->u32 = 0; return VINF_SUCCESS; case DBGFREGVALTYPE_U64: pValue->u64 = 0; return VINF_SUCCESS; case DBGFREGVALTYPE_U128: RT_ZERO(pValue->u128); return VINF_SUCCESS; case DBGFREGVALTYPE_DTR: pValue->dtr.u32Limit = 0; pValue->dtr.u64Base = 0; return VINF_SUCCESS; case DBGFREGVALTYPE_R80: RT_ZERO(pValue->r80Ex); return VINF_SUCCESS; default: AssertMsgFailedReturn(("%d %s\n", pDesc->enmType, pDesc->pszName), VERR_IPE_NOT_REACHED_DEFAULT_CASE); } } /** * @interface_method_impl{DBGFREGDESC,pfnSet} */ static DECLCALLBACK(int) cpumR3RegSet_Dummy(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { NOREF(pvUser); NOREF(pDesc); NOREF(pValue); NOREF(pfMask); return VERR_DBGF_READ_ONLY_REGISTER; } #endif /* unused */ /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGet_ymm(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; uint32_t iReg = pDesc->offRegister; Assert(pDesc->enmType == DBGFREGVALTYPE_U256); VMCPU_ASSERT_EMT(pVCpu); if (iReg < 16) { pValue->u256.DQWords.dqw0 = pVCpu->cpum.s.Guest.XState.x87.aXMM[iReg].uXmm; pValue->u256.DQWords.dqw1 = pVCpu->cpum.s.Guest.XState.u.YmmHi.aYmmHi[iReg].uXmm; return VINF_SUCCESS; } return VERR_NOT_IMPLEMENTED; } /** * @interface_method_impl{DBGFREGDESC,pfnSet} */ static DECLCALLBACK(int) cpumR3RegSet_ymm(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { PVMCPU pVCpu = (PVMCPU)pvUser; uint32_t iReg = pDesc->offRegister; Assert(pDesc->enmType == DBGFREGVALTYPE_U256); VMCPU_ASSERT_EMT(pVCpu); if (iReg < 16) { RTUINT128U Val; RTUInt128AssignAnd(&pVCpu->cpum.s.Guest.XState.x87.aXMM[iReg].uXmm, RTUInt128AssignBitwiseNot(RTUInt128Assign(&Val, &pfMask->u256.DQWords.dqw0))); RTUInt128AssignOr(&pVCpu->cpum.s.Guest.XState.u.YmmHi.aYmmHi[iReg].uXmm, RTUInt128AssignAnd(RTUInt128Assign(&Val, &pValue->u128), &pfMask->u128)); } return VERR_NOT_IMPLEMENTED; } /* * * Guest register access functions. * */ /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstGet_crX(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; VMCPU_ASSERT_EMT(pVCpu); uint64_t u64Value; int rc = CPUMGetGuestCRx(pVCpu, pDesc->offRegister, &u64Value); if (rc == VERR_PDM_NO_APIC_INSTANCE) /* CR8 might not be available, see @bugref{8868}.*/ u64Value = 0; else AssertRCReturn(rc, rc); switch (pDesc->enmType) { case DBGFREGVALTYPE_U64: pValue->u64 = u64Value; break; case DBGFREGVALTYPE_U32: pValue->u32 = (uint32_t)u64Value; break; default: AssertFailedReturn(VERR_IPE_NOT_REACHED_DEFAULT_CASE); } return VINF_SUCCESS; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstSet_crX(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { int rc; PVMCPU pVCpu = (PVMCPU)pvUser; VMCPU_ASSERT_EMT(pVCpu); /* * Calculate the new value. */ uint64_t u64Value; uint64_t fMask; uint64_t fMaskMax; switch (pDesc->enmType) { case DBGFREGVALTYPE_U64: u64Value = pValue->u64; fMask = pfMask->u64; fMaskMax = UINT64_MAX; break; case DBGFREGVALTYPE_U32: u64Value = pValue->u32; fMask = pfMask->u32; fMaskMax = UINT32_MAX; break; default: AssertFailedReturn(VERR_IPE_NOT_REACHED_DEFAULT_CASE); } if (fMask != fMaskMax) { uint64_t u64FullValue; rc = CPUMGetGuestCRx(pVCpu, pDesc->offRegister, &u64FullValue); if (RT_FAILURE(rc)) return rc; u64Value = (u64FullValue & ~fMask) | (u64Value & fMask); } /* * Perform the assignment. */ switch (pDesc->offRegister) { case 0: rc = CPUMSetGuestCR0(pVCpu, u64Value); break; case 2: rc = CPUMSetGuestCR2(pVCpu, u64Value); break; case 3: rc = CPUMSetGuestCR3(pVCpu, u64Value); break; case 4: rc = CPUMSetGuestCR4(pVCpu, u64Value); break; case 8: rc = APICSetTpr(pVCpu, (uint8_t)(u64Value << 4)); break; default: AssertFailedReturn(VERR_IPE_NOT_REACHED_DEFAULT_CASE); } return rc; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstGet_drX(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; VMCPU_ASSERT_EMT(pVCpu); uint64_t u64Value; int rc = CPUMGetGuestDRx(pVCpu, pDesc->offRegister, &u64Value); AssertRCReturn(rc, rc); switch (pDesc->enmType) { case DBGFREGVALTYPE_U64: pValue->u64 = u64Value; break; case DBGFREGVALTYPE_U32: pValue->u32 = (uint32_t)u64Value; break; default: AssertFailedReturn(VERR_IPE_NOT_REACHED_DEFAULT_CASE); } return VINF_SUCCESS; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstSet_drX(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { int rc; PVMCPU pVCpu = (PVMCPU)pvUser; VMCPU_ASSERT_EMT(pVCpu); /* * Calculate the new value. */ uint64_t u64Value; uint64_t fMask; uint64_t fMaskMax; switch (pDesc->enmType) { case DBGFREGVALTYPE_U64: u64Value = pValue->u64; fMask = pfMask->u64; fMaskMax = UINT64_MAX; break; case DBGFREGVALTYPE_U32: u64Value = pValue->u32; fMask = pfMask->u32; fMaskMax = UINT32_MAX; break; default: AssertFailedReturn(VERR_IPE_NOT_REACHED_DEFAULT_CASE); } if (fMask != fMaskMax) { uint64_t u64FullValue; rc = CPUMGetGuestDRx(pVCpu, pDesc->offRegister, &u64FullValue); if (RT_FAILURE(rc)) return rc; u64Value = (u64FullValue & ~fMask) | (u64Value & fMask); } /* * Perform the assignment. */ return CPUMSetGuestDRx(pVCpu, pDesc->offRegister, u64Value); } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstGet_msr(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; VMCPU_ASSERT_EMT(pVCpu); uint64_t u64Value; VBOXSTRICTRC rcStrict = CPUMQueryGuestMsr(pVCpu, pDesc->offRegister, &u64Value); if (rcStrict == VINF_SUCCESS) { switch (pDesc->enmType) { case DBGFREGVALTYPE_U64: pValue->u64 = u64Value; break; case DBGFREGVALTYPE_U32: pValue->u32 = (uint32_t)u64Value; break; case DBGFREGVALTYPE_U16: pValue->u16 = (uint16_t)u64Value; break; default: AssertFailedReturn(VERR_IPE_NOT_REACHED_DEFAULT_CASE); } return VBOXSTRICTRC_VAL(rcStrict); } /** @todo what to do about errors? */ Assert(RT_FAILURE_NP(rcStrict)); return VBOXSTRICTRC_VAL(rcStrict); } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstSet_msr(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { PVMCPU pVCpu = (PVMCPU)pvUser; VMCPU_ASSERT_EMT(pVCpu); /* * Calculate the new value. */ uint64_t u64Value; uint64_t fMask; uint64_t fMaskMax; switch (pDesc->enmType) { case DBGFREGVALTYPE_U64: u64Value = pValue->u64; fMask = pfMask->u64; fMaskMax = UINT64_MAX; break; case DBGFREGVALTYPE_U32: u64Value = pValue->u32; fMask = pfMask->u32; fMaskMax = UINT32_MAX; break; case DBGFREGVALTYPE_U16: u64Value = pValue->u16; fMask = pfMask->u16; fMaskMax = UINT16_MAX; break; default: AssertFailedReturn(VERR_IPE_NOT_REACHED_DEFAULT_CASE); } if (fMask != fMaskMax) { uint64_t u64FullValue; VBOXSTRICTRC rcStrict = CPUMQueryGuestMsr(pVCpu, pDesc->offRegister, &u64FullValue); if (rcStrict != VINF_SUCCESS) { AssertRC(RT_FAILURE_NP(rcStrict)); return VBOXSTRICTRC_VAL(rcStrict); } u64Value = (u64FullValue & ~fMask) | (u64Value & fMask); } /* * Perform the assignment. */ VBOXSTRICTRC rcStrict = CPUMSetGuestMsr(pVCpu, pDesc->offRegister, u64Value); if (rcStrict == VINF_SUCCESS) return VINF_SUCCESS; AssertRC(RT_FAILURE_NP(rcStrict)); return VBOXSTRICTRC_VAL(rcStrict); } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstGet_stN(void *pvUser, PCDBGFREGDESC pDesc, PDBGFREGVAL pValue) { PVMCPU pVCpu = (PVMCPU)pvUser; VMCPU_ASSERT_EMT(pVCpu); Assert(pDesc->enmType == DBGFREGVALTYPE_R80); PX86FXSTATE pFpuCtx = &pVCpu->cpum.s.Guest.XState.x87; unsigned iReg = (pFpuCtx->FSW >> 11) & 7; iReg += pDesc->offRegister; iReg &= 7; pValue->r80Ex = pFpuCtx->aRegs[iReg].r80Ex; return VINF_SUCCESS; } /** * @interface_method_impl{DBGFREGDESC,pfnGet} */ static DECLCALLBACK(int) cpumR3RegGstSet_stN(void *pvUser, PCDBGFREGDESC pDesc, PCDBGFREGVAL pValue, PCDBGFREGVAL pfMask) { NOREF(pvUser); NOREF(pDesc); NOREF(pValue); NOREF(pfMask); return VERR_NOT_IMPLEMENTED; } /* * Set up aliases. */ #define CPUMREGALIAS_STD(Name, psz32, psz16, psz8) \ static DBGFREGALIAS const g_aCpumRegAliases_##Name[] = \ { \ { psz32, DBGFREGVALTYPE_U32 }, \ { psz16, DBGFREGVALTYPE_U16 }, \ { psz8, DBGFREGVALTYPE_U8 }, \ { NULL, DBGFREGVALTYPE_INVALID } \ } CPUMREGALIAS_STD(rax, "eax", "ax", "al"); CPUMREGALIAS_STD(rcx, "ecx", "cx", "cl"); CPUMREGALIAS_STD(rdx, "edx", "dx", "dl"); CPUMREGALIAS_STD(rbx, "ebx", "bx", "bl"); CPUMREGALIAS_STD(rsp, "esp", "sp", NULL); CPUMREGALIAS_STD(rbp, "ebp", "bp", NULL); CPUMREGALIAS_STD(rsi, "esi", "si", "sil"); CPUMREGALIAS_STD(rdi, "edi", "di", "dil"); CPUMREGALIAS_STD(r8, "r8d", "r8w", "r8b"); CPUMREGALIAS_STD(r9, "r9d", "r9w", "r9b"); CPUMREGALIAS_STD(r10, "r10d", "r10w", "r10b"); CPUMREGALIAS_STD(r11, "r11d", "r11w", "r11b"); CPUMREGALIAS_STD(r12, "r12d", "r12w", "r12b"); CPUMREGALIAS_STD(r13, "r13d", "r13w", "r13b"); CPUMREGALIAS_STD(r14, "r14d", "r14w", "r14b"); CPUMREGALIAS_STD(r15, "r15d", "r15w", "r15b"); CPUMREGALIAS_STD(rip, "eip", "ip", NULL); CPUMREGALIAS_STD(rflags, "eflags", "flags", NULL); #undef CPUMREGALIAS_STD static DBGFREGALIAS const g_aCpumRegAliases_fpuip[] = { { "fpuip16", DBGFREGVALTYPE_U16 }, { NULL, DBGFREGVALTYPE_INVALID } }; static DBGFREGALIAS const g_aCpumRegAliases_fpudp[] = { { "fpudp16", DBGFREGVALTYPE_U16 }, { NULL, DBGFREGVALTYPE_INVALID } }; static DBGFREGALIAS const g_aCpumRegAliases_cr0[] = { { "msw", DBGFREGVALTYPE_U16 }, { NULL, DBGFREGVALTYPE_INVALID } }; /* * Sub fields. */ /** Sub-fields for the (hidden) segment attribute register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_seg[] = { DBGFREGSUBFIELD_RW("type", 0, 4, 0), DBGFREGSUBFIELD_RW("s", 4, 1, 0), DBGFREGSUBFIELD_RW("dpl", 5, 2, 0), DBGFREGSUBFIELD_RW("p", 7, 1, 0), DBGFREGSUBFIELD_RW("avl", 12, 1, 0), DBGFREGSUBFIELD_RW("l", 13, 1, 0), DBGFREGSUBFIELD_RW("d", 14, 1, 0), DBGFREGSUBFIELD_RW("g", 15, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the flags register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_rflags[] = { DBGFREGSUBFIELD_RW("cf", 0, 1, 0), DBGFREGSUBFIELD_RW("pf", 2, 1, 0), DBGFREGSUBFIELD_RW("af", 4, 1, 0), DBGFREGSUBFIELD_RW("zf", 6, 1, 0), DBGFREGSUBFIELD_RW("sf", 7, 1, 0), DBGFREGSUBFIELD_RW("tf", 8, 1, 0), DBGFREGSUBFIELD_RW("if", 9, 1, 0), DBGFREGSUBFIELD_RW("df", 10, 1, 0), DBGFREGSUBFIELD_RW("of", 11, 1, 0), DBGFREGSUBFIELD_RW("iopl", 12, 2, 0), DBGFREGSUBFIELD_RW("nt", 14, 1, 0), DBGFREGSUBFIELD_RW("rf", 16, 1, 0), DBGFREGSUBFIELD_RW("vm", 17, 1, 0), DBGFREGSUBFIELD_RW("ac", 18, 1, 0), DBGFREGSUBFIELD_RW("vif", 19, 1, 0), DBGFREGSUBFIELD_RW("vip", 20, 1, 0), DBGFREGSUBFIELD_RW("id", 21, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the FPU control word register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_fcw[] = { DBGFREGSUBFIELD_RW("im", 1, 1, 0), DBGFREGSUBFIELD_RW("dm", 2, 1, 0), DBGFREGSUBFIELD_RW("zm", 3, 1, 0), DBGFREGSUBFIELD_RW("om", 4, 1, 0), DBGFREGSUBFIELD_RW("um", 5, 1, 0), DBGFREGSUBFIELD_RW("pm", 6, 1, 0), DBGFREGSUBFIELD_RW("pc", 8, 2, 0), DBGFREGSUBFIELD_RW("rc", 10, 2, 0), DBGFREGSUBFIELD_RW("x", 12, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the FPU status word register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_fsw[] = { DBGFREGSUBFIELD_RW("ie", 0, 1, 0), DBGFREGSUBFIELD_RW("de", 1, 1, 0), DBGFREGSUBFIELD_RW("ze", 2, 1, 0), DBGFREGSUBFIELD_RW("oe", 3, 1, 0), DBGFREGSUBFIELD_RW("ue", 4, 1, 0), DBGFREGSUBFIELD_RW("pe", 5, 1, 0), DBGFREGSUBFIELD_RW("se", 6, 1, 0), DBGFREGSUBFIELD_RW("es", 7, 1, 0), DBGFREGSUBFIELD_RW("c0", 8, 1, 0), DBGFREGSUBFIELD_RW("c1", 9, 1, 0), DBGFREGSUBFIELD_RW("c2", 10, 1, 0), DBGFREGSUBFIELD_RW("top", 11, 3, 0), DBGFREGSUBFIELD_RW("c3", 14, 1, 0), DBGFREGSUBFIELD_RW("b", 15, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the FPU tag word register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_ftw[] = { DBGFREGSUBFIELD_RW("tag0", 0, 2, 0), DBGFREGSUBFIELD_RW("tag1", 2, 2, 0), DBGFREGSUBFIELD_RW("tag2", 4, 2, 0), DBGFREGSUBFIELD_RW("tag3", 6, 2, 0), DBGFREGSUBFIELD_RW("tag4", 8, 2, 0), DBGFREGSUBFIELD_RW("tag5", 10, 2, 0), DBGFREGSUBFIELD_RW("tag6", 12, 2, 0), DBGFREGSUBFIELD_RW("tag7", 14, 2, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the Multimedia Extensions Control and Status Register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_mxcsr[] = { DBGFREGSUBFIELD_RW("ie", 0, 1, 0), DBGFREGSUBFIELD_RW("de", 1, 1, 0), DBGFREGSUBFIELD_RW("ze", 2, 1, 0), DBGFREGSUBFIELD_RW("oe", 3, 1, 0), DBGFREGSUBFIELD_RW("ue", 4, 1, 0), DBGFREGSUBFIELD_RW("pe", 5, 1, 0), DBGFREGSUBFIELD_RW("daz", 6, 1, 0), DBGFREGSUBFIELD_RW("im", 7, 1, 0), DBGFREGSUBFIELD_RW("dm", 8, 1, 0), DBGFREGSUBFIELD_RW("zm", 9, 1, 0), DBGFREGSUBFIELD_RW("om", 10, 1, 0), DBGFREGSUBFIELD_RW("um", 11, 1, 0), DBGFREGSUBFIELD_RW("pm", 12, 1, 0), DBGFREGSUBFIELD_RW("rc", 13, 2, 0), DBGFREGSUBFIELD_RW("fz", 14, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the FPU tag word register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_stN[] = { DBGFREGSUBFIELD_RW("man", 0, 64, 0), DBGFREGSUBFIELD_RW("exp", 64, 15, 0), DBGFREGSUBFIELD_RW("sig", 79, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the MMX registers. */ static DBGFREGSUBFIELD const g_aCpumRegFields_mmN[] = { DBGFREGSUBFIELD_RW("dw0", 0, 32, 0), DBGFREGSUBFIELD_RW("dw1", 32, 32, 0), DBGFREGSUBFIELD_RW("w0", 0, 16, 0), DBGFREGSUBFIELD_RW("w1", 16, 16, 0), DBGFREGSUBFIELD_RW("w2", 32, 16, 0), DBGFREGSUBFIELD_RW("w3", 48, 16, 0), DBGFREGSUBFIELD_RW("b0", 0, 8, 0), DBGFREGSUBFIELD_RW("b1", 8, 8, 0), DBGFREGSUBFIELD_RW("b2", 16, 8, 0), DBGFREGSUBFIELD_RW("b3", 24, 8, 0), DBGFREGSUBFIELD_RW("b4", 32, 8, 0), DBGFREGSUBFIELD_RW("b5", 40, 8, 0), DBGFREGSUBFIELD_RW("b6", 48, 8, 0), DBGFREGSUBFIELD_RW("b7", 56, 8, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the XMM registers. */ static DBGFREGSUBFIELD const g_aCpumRegFields_xmmN[] = { DBGFREGSUBFIELD_RW("r0", 0, 32, 0), DBGFREGSUBFIELD_RW("r0.man", 0+ 0, 23, 0), DBGFREGSUBFIELD_RW("r0.exp", 0+23, 8, 0), DBGFREGSUBFIELD_RW("r0.sig", 0+31, 1, 0), DBGFREGSUBFIELD_RW("r1", 32, 32, 0), DBGFREGSUBFIELD_RW("r1.man", 32+ 0, 23, 0), DBGFREGSUBFIELD_RW("r1.exp", 32+23, 8, 0), DBGFREGSUBFIELD_RW("r1.sig", 32+31, 1, 0), DBGFREGSUBFIELD_RW("r2", 64, 32, 0), DBGFREGSUBFIELD_RW("r2.man", 64+ 0, 23, 0), DBGFREGSUBFIELD_RW("r2.exp", 64+23, 8, 0), DBGFREGSUBFIELD_RW("r2.sig", 64+31, 1, 0), DBGFREGSUBFIELD_RW("r3", 96, 32, 0), DBGFREGSUBFIELD_RW("r3.man", 96+ 0, 23, 0), DBGFREGSUBFIELD_RW("r3.exp", 96+23, 8, 0), DBGFREGSUBFIELD_RW("r3.sig", 96+31, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; #if 0 /* needs special accessor, too lazy for that now. */ /** Sub-fields for the YMM registers. */ static DBGFREGSUBFIELD const g_aCpumRegFields_ymmN[] = { DBGFREGSUBFIELD_RW("r0", 0, 32, 0), DBGFREGSUBFIELD_RW("r0.man", 0+ 0, 23, 0), DBGFREGSUBFIELD_RW("r0.exp", 0+23, 8, 0), DBGFREGSUBFIELD_RW("r0.sig", 0+31, 1, 0), DBGFREGSUBFIELD_RW("r1", 32, 32, 0), DBGFREGSUBFIELD_RW("r1.man", 32+ 0, 23, 0), DBGFREGSUBFIELD_RW("r1.exp", 32+23, 8, 0), DBGFREGSUBFIELD_RW("r1.sig", 32+31, 1, 0), DBGFREGSUBFIELD_RW("r2", 64, 32, 0), DBGFREGSUBFIELD_RW("r2.man", 64+ 0, 23, 0), DBGFREGSUBFIELD_RW("r2.exp", 64+23, 8, 0), DBGFREGSUBFIELD_RW("r2.sig", 64+31, 1, 0), DBGFREGSUBFIELD_RW("r3", 96, 32, 0), DBGFREGSUBFIELD_RW("r3.man", 96+ 0, 23, 0), DBGFREGSUBFIELD_RW("r3.exp", 96+23, 8, 0), DBGFREGSUBFIELD_RW("r3.sig", 96+31, 1, 0), DBGFREGSUBFIELD_RW("r4", 128, 32, 0), DBGFREGSUBFIELD_RW("r4.man", 128+ 0, 23, 0), DBGFREGSUBFIELD_RW("r4.exp", 128+23, 8, 0), DBGFREGSUBFIELD_RW("r4.sig", 128+31, 1, 0), DBGFREGSUBFIELD_RW("r5", 160, 32, 0), DBGFREGSUBFIELD_RW("r5.man", 160+ 0, 23, 0), DBGFREGSUBFIELD_RW("r5.exp", 160+23, 8, 0), DBGFREGSUBFIELD_RW("r5.sig", 160+31, 1, 0), DBGFREGSUBFIELD_RW("r6", 192, 32, 0), DBGFREGSUBFIELD_RW("r6.man", 192+ 0, 23, 0), DBGFREGSUBFIELD_RW("r6.exp", 192+23, 8, 0), DBGFREGSUBFIELD_RW("r6.sig", 192+31, 1, 0), DBGFREGSUBFIELD_RW("r7", 224, 32, 0), DBGFREGSUBFIELD_RW("r7.man", 224+ 0, 23, 0), DBGFREGSUBFIELD_RW("r7.exp", 224+23, 8, 0), DBGFREGSUBFIELD_RW("r7.sig", 224+31, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; #endif /** Sub-fields for the CR0 register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_cr0[] = { DBGFREGSUBFIELD_RW("pe", 0, 1, 0), DBGFREGSUBFIELD_RW("mp", 1, 1, 0), DBGFREGSUBFIELD_RW("em", 2, 1, 0), DBGFREGSUBFIELD_RW("ts", 3, 1, 0), DBGFREGSUBFIELD_RO("et", 4, 1, 0), DBGFREGSUBFIELD_RW("ne", 5, 1, 0), DBGFREGSUBFIELD_RW("wp", 16, 1, 0), DBGFREGSUBFIELD_RW("am", 18, 1, 0), DBGFREGSUBFIELD_RW("nw", 29, 1, 0), DBGFREGSUBFIELD_RW("cd", 30, 1, 0), DBGFREGSUBFIELD_RW("pg", 31, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the CR3 register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_cr3[] = { DBGFREGSUBFIELD_RW("pwt", 3, 1, 0), DBGFREGSUBFIELD_RW("pcd", 4, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the CR4 register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_cr4[] = { DBGFREGSUBFIELD_RW("vme", 0, 1, 0), DBGFREGSUBFIELD_RW("pvi", 1, 1, 0), DBGFREGSUBFIELD_RW("tsd", 2, 1, 0), DBGFREGSUBFIELD_RW("de", 3, 1, 0), DBGFREGSUBFIELD_RW("pse", 4, 1, 0), DBGFREGSUBFIELD_RW("pae", 5, 1, 0), DBGFREGSUBFIELD_RW("mce", 6, 1, 0), DBGFREGSUBFIELD_RW("pge", 7, 1, 0), DBGFREGSUBFIELD_RW("pce", 8, 1, 0), DBGFREGSUBFIELD_RW("osfxsr", 9, 1, 0), DBGFREGSUBFIELD_RW("osxmmeexcpt", 10, 1, 0), DBGFREGSUBFIELD_RW("vmxe", 13, 1, 0), DBGFREGSUBFIELD_RW("smxe", 14, 1, 0), DBGFREGSUBFIELD_RW("pcide", 17, 1, 0), DBGFREGSUBFIELD_RW("osxsave", 18, 1, 0), DBGFREGSUBFIELD_RW("smep", 20, 1, 0), DBGFREGSUBFIELD_RW("smap", 21, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the DR6 register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_dr6[] = { DBGFREGSUBFIELD_RW("b0", 0, 1, 0), DBGFREGSUBFIELD_RW("b1", 1, 1, 0), DBGFREGSUBFIELD_RW("b2", 2, 1, 0), DBGFREGSUBFIELD_RW("b3", 3, 1, 0), DBGFREGSUBFIELD_RW("bd", 13, 1, 0), DBGFREGSUBFIELD_RW("bs", 14, 1, 0), DBGFREGSUBFIELD_RW("bt", 15, 1, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the DR7 register. */ static DBGFREGSUBFIELD const g_aCpumRegFields_dr7[] = { DBGFREGSUBFIELD_RW("l0", 0, 1, 0), DBGFREGSUBFIELD_RW("g0", 1, 1, 0), DBGFREGSUBFIELD_RW("l1", 2, 1, 0), DBGFREGSUBFIELD_RW("g1", 3, 1, 0), DBGFREGSUBFIELD_RW("l2", 4, 1, 0), DBGFREGSUBFIELD_RW("g2", 5, 1, 0), DBGFREGSUBFIELD_RW("l3", 6, 1, 0), DBGFREGSUBFIELD_RW("g3", 7, 1, 0), DBGFREGSUBFIELD_RW("le", 8, 1, 0), DBGFREGSUBFIELD_RW("ge", 9, 1, 0), DBGFREGSUBFIELD_RW("gd", 13, 1, 0), DBGFREGSUBFIELD_RW("rw0", 16, 2, 0), DBGFREGSUBFIELD_RW("len0", 18, 2, 0), DBGFREGSUBFIELD_RW("rw1", 20, 2, 0), DBGFREGSUBFIELD_RW("len1", 22, 2, 0), DBGFREGSUBFIELD_RW("rw2", 24, 2, 0), DBGFREGSUBFIELD_RW("len2", 26, 2, 0), DBGFREGSUBFIELD_RW("rw3", 28, 2, 0), DBGFREGSUBFIELD_RW("len3", 30, 2, 0), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the CR_PAT MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_apic_base[] = { DBGFREGSUBFIELD_RW("bsp", 8, 1, 0), DBGFREGSUBFIELD_RW("ge", 9, 1, 0), DBGFREGSUBFIELD_RW("base", 12, 20, 12), DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the CR_PAT MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_cr_pat[] = { /** @todo */ DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the PERF_STATUS MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_perf_status[] = { /** @todo */ DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the EFER MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_efer[] = { /** @todo */ DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the STAR MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_star[] = { /** @todo */ DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the CSTAR MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_cstar[] = { /** @todo */ DBGFREGSUBFIELD_TERMINATOR() }; /** Sub-fields for the LSTAR MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_lstar[] = { /** @todo */ DBGFREGSUBFIELD_TERMINATOR() }; #if 0 /** @todo */ /** Sub-fields for the SF_MASK MSR. */ static DBGFREGSUBFIELD const g_aCpumRegFields_sf_mask[] = { /** @todo */ DBGFREGSUBFIELD_TERMINATOR() }; #endif /** @name Macros for producing register descriptor table entries. * @{ */ #define CPU_REG_EX_AS(a_szName, a_RegSuff, a_TypeSuff, a_offRegister, a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields) \ { a_szName, DBGFREG_##a_RegSuff, DBGFREGVALTYPE_##a_TypeSuff, 0 /*fFlags*/, a_offRegister, a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields } #define CPU_REG_REG(UName, LName) \ CPU_REG_RW_AS(#LName, UName, U64, LName, cpumR3RegGet_Generic, cpumR3RegSet_Generic, g_aCpumRegAliases_##LName, NULL) #define CPU_REG_SEG(UName, LName) \ CPU_REG_RW_AS(#LName, UName, U16, LName.Sel, cpumR3RegGet_Generic, cpumR3RegSet_seg, NULL, NULL ), \ CPU_REG_RW_AS(#LName "_attr", UName##_ATTR, U32, LName.Attr.u, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, g_aCpumRegFields_seg), \ CPU_REG_RW_AS(#LName "_base", UName##_BASE, U64, LName.u64Base, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), \ CPU_REG_RW_AS(#LName "_lim", UName##_LIMIT, U32, LName.u32Limit, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ) #define CPU_REG_MM(n) \ CPU_REG_XS_RW_AS("mm" #n, MM##n, U64, x87.aRegs[n].mmx, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, g_aCpumRegFields_mmN) #define CPU_REG_XMM(n) \ CPU_REG_XS_RW_AS("xmm" #n, XMM##n, U128, x87.aXMM[n].xmm, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, g_aCpumRegFields_xmmN) #define CPU_REG_YMM(n) \ { "ymm" #n, DBGFREG_YMM##n, DBGFREGVALTYPE_U256, 0 /*fFlags*/, n, cpumR3RegGet_ymm, cpumR3RegSet_ymm, NULL /*paAliases*/, NULL /*paSubFields*/ } /** @} */ /** * The guest register descriptors. */ static DBGFREGDESC const g_aCpumRegGstDescs[] = { #define CPU_REG_RW_AS(a_szName, a_RegSuff, a_TypeSuff, a_CpumCtxMemb, a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields) \ { a_szName, DBGFREG_##a_RegSuff, DBGFREGVALTYPE_##a_TypeSuff, 0 /*fFlags*/, (uint32_t)RT_UOFFSETOF(CPUMCPU, Guest.a_CpumCtxMemb), a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields } #define CPU_REG_RO_AS(a_szName, a_RegSuff, a_TypeSuff, a_CpumCtxMemb, a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields) \ { a_szName, DBGFREG_##a_RegSuff, DBGFREGVALTYPE_##a_TypeSuff, DBGFREG_FLAGS_READ_ONLY, (uint32_t)RT_UOFFSETOF(CPUMCPU, Guest.a_CpumCtxMemb), a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields } #define CPU_REG_XS_RW_AS(a_szName, a_RegSuff, a_TypeSuff, a_XStateMemb, a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields) \ { a_szName, DBGFREG_##a_RegSuff, DBGFREGVALTYPE_##a_TypeSuff, 0 /*fFlags*/, (uint32_t)RT_UOFFSETOF(X86XSAVEAREA, a_XStateMemb), a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields } #define CPU_REG_XS_RO_AS(a_szName, a_RegSuff, a_TypeSuff, a_XStateMemb, a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields) \ { a_szName, DBGFREG_##a_RegSuff, DBGFREGVALTYPE_##a_TypeSuff, DBGFREG_FLAGS_READ_ONLY, (uint32_t)RT_UOFFSETOF(X86XSAVEAREA, a_XStateMemb), a_pfnGet, a_pfnSet, a_paAliases, a_paSubFields } #define CPU_REG_MSR(a_szName, UName, a_TypeSuff, a_paSubFields) \ CPU_REG_EX_AS(a_szName, MSR_##UName, a_TypeSuff, MSR_##UName, cpumR3RegGstGet_msr, cpumR3RegGstSet_msr, NULL, a_paSubFields) #define CPU_REG_ST(n) \ CPU_REG_EX_AS("st" #n, ST##n, R80, n, cpumR3RegGstGet_stN, cpumR3RegGstSet_stN, NULL, g_aCpumRegFields_stN) CPU_REG_REG(RAX, rax), CPU_REG_REG(RCX, rcx), CPU_REG_REG(RDX, rdx), CPU_REG_REG(RBX, rbx), CPU_REG_REG(RSP, rsp), CPU_REG_REG(RBP, rbp), CPU_REG_REG(RSI, rsi), CPU_REG_REG(RDI, rdi), CPU_REG_REG(R8, r8), CPU_REG_REG(R9, r9), CPU_REG_REG(R10, r10), CPU_REG_REG(R11, r11), CPU_REG_REG(R12, r12), CPU_REG_REG(R13, r13), CPU_REG_REG(R14, r14), CPU_REG_REG(R15, r15), CPU_REG_SEG(CS, cs), CPU_REG_SEG(DS, ds), CPU_REG_SEG(ES, es), CPU_REG_SEG(FS, fs), CPU_REG_SEG(GS, gs), CPU_REG_SEG(SS, ss), CPU_REG_REG(RIP, rip), CPU_REG_RW_AS("rflags", RFLAGS, U64, rflags, cpumR3RegGet_Generic, cpumR3RegSet_Generic, g_aCpumRegAliases_rflags, g_aCpumRegFields_rflags ), CPU_REG_XS_RW_AS("fcw", FCW, U16, x87.FCW, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, g_aCpumRegFields_fcw ), CPU_REG_XS_RW_AS("fsw", FSW, U16, x87.FSW, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, g_aCpumRegFields_fsw ), CPU_REG_XS_RO_AS("ftw", FTW, U16, x87, cpumR3RegGet_ftw, cpumR3RegSet_ftw, NULL, g_aCpumRegFields_ftw ), CPU_REG_XS_RW_AS("fop", FOP, U16, x87.FOP, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, NULL ), CPU_REG_XS_RW_AS("fpuip", FPUIP, U32, x87.FPUIP, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, g_aCpumRegAliases_fpuip, NULL ), CPU_REG_XS_RW_AS("fpucs", FPUCS, U16, x87.CS, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, NULL ), CPU_REG_XS_RW_AS("fpudp", FPUDP, U32, x87.FPUDP, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, g_aCpumRegAliases_fpudp, NULL ), CPU_REG_XS_RW_AS("fpuds", FPUDS, U16, x87.DS, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, NULL ), CPU_REG_XS_RW_AS("mxcsr", MXCSR, U32, x87.MXCSR, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, g_aCpumRegFields_mxcsr ), CPU_REG_XS_RW_AS("mxcsr_mask", MXCSR_MASK, U32, x87.MXCSR_MASK, cpumR3RegGet_XStateGeneric, cpumR3RegSet_XStateGeneric, NULL, g_aCpumRegFields_mxcsr ), CPU_REG_ST(0), CPU_REG_ST(1), CPU_REG_ST(2), CPU_REG_ST(3), CPU_REG_ST(4), CPU_REG_ST(5), CPU_REG_ST(6), CPU_REG_ST(7), CPU_REG_MM(0), CPU_REG_MM(1), CPU_REG_MM(2), CPU_REG_MM(3), CPU_REG_MM(4), CPU_REG_MM(5), CPU_REG_MM(6), CPU_REG_MM(7), CPU_REG_XMM(0), CPU_REG_XMM(1), CPU_REG_XMM(2), CPU_REG_XMM(3), CPU_REG_XMM(4), CPU_REG_XMM(5), CPU_REG_XMM(6), CPU_REG_XMM(7), CPU_REG_XMM(8), CPU_REG_XMM(9), CPU_REG_XMM(10), CPU_REG_XMM(11), CPU_REG_XMM(12), CPU_REG_XMM(13), CPU_REG_XMM(14), CPU_REG_XMM(15), CPU_REG_YMM(0), CPU_REG_YMM(1), CPU_REG_YMM(2), CPU_REG_YMM(3), CPU_REG_YMM(4), CPU_REG_YMM(5), CPU_REG_YMM(6), CPU_REG_YMM(7), CPU_REG_YMM(8), CPU_REG_YMM(9), CPU_REG_YMM(10), CPU_REG_YMM(11), CPU_REG_YMM(12), CPU_REG_YMM(13), CPU_REG_YMM(14), CPU_REG_YMM(15), CPU_REG_RW_AS("gdtr_base", GDTR_BASE, U64, gdtr.pGdt, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_RW_AS("gdtr_lim", GDTR_LIMIT, U16, gdtr.cbGdt, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_RW_AS("idtr_base", IDTR_BASE, U64, idtr.pIdt, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_RW_AS("idtr_lim", IDTR_LIMIT, U16, idtr.cbIdt, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_SEG(LDTR, ldtr), CPU_REG_SEG(TR, tr), CPU_REG_EX_AS("cr0", CR0, U32, 0, cpumR3RegGstGet_crX, cpumR3RegGstSet_crX, g_aCpumRegAliases_cr0, g_aCpumRegFields_cr0 ), CPU_REG_EX_AS("cr2", CR2, U64, 2, cpumR3RegGstGet_crX, cpumR3RegGstSet_crX, NULL, NULL ), CPU_REG_EX_AS("cr3", CR3, U64, 3, cpumR3RegGstGet_crX, cpumR3RegGstSet_crX, NULL, g_aCpumRegFields_cr3 ), CPU_REG_EX_AS("cr4", CR4, U32, 4, cpumR3RegGstGet_crX, cpumR3RegGstSet_crX, NULL, g_aCpumRegFields_cr4 ), CPU_REG_EX_AS("cr8", CR8, U32, 8, cpumR3RegGstGet_crX, cpumR3RegGstSet_crX, NULL, NULL ), CPU_REG_EX_AS("dr0", DR0, U64, 0, cpumR3RegGstGet_drX, cpumR3RegGstSet_drX, NULL, NULL ), CPU_REG_EX_AS("dr1", DR1, U64, 1, cpumR3RegGstGet_drX, cpumR3RegGstSet_drX, NULL, NULL ), CPU_REG_EX_AS("dr2", DR2, U64, 2, cpumR3RegGstGet_drX, cpumR3RegGstSet_drX, NULL, NULL ), CPU_REG_EX_AS("dr3", DR3, U64, 3, cpumR3RegGstGet_drX, cpumR3RegGstSet_drX, NULL, NULL ), CPU_REG_EX_AS("dr6", DR6, U32, 6, cpumR3RegGstGet_drX, cpumR3RegGstSet_drX, NULL, g_aCpumRegFields_dr6 ), CPU_REG_EX_AS("dr7", DR7, U32, 7, cpumR3RegGstGet_drX, cpumR3RegGstSet_drX, NULL, g_aCpumRegFields_dr7 ), CPU_REG_MSR("apic_base", IA32_APICBASE, U32, g_aCpumRegFields_apic_base ), CPU_REG_MSR("pat", IA32_CR_PAT, U64, g_aCpumRegFields_cr_pat ), CPU_REG_MSR("perf_status", IA32_PERF_STATUS, U64, g_aCpumRegFields_perf_status), CPU_REG_MSR("sysenter_cs", IA32_SYSENTER_CS, U16, NULL ), CPU_REG_MSR("sysenter_eip", IA32_SYSENTER_EIP, U64, NULL ), CPU_REG_MSR("sysenter_esp", IA32_SYSENTER_ESP, U64, NULL ), CPU_REG_MSR("tsc", IA32_TSC, U32, NULL ), CPU_REG_MSR("efer", K6_EFER, U32, g_aCpumRegFields_efer ), CPU_REG_MSR("star", K6_STAR, U64, g_aCpumRegFields_star ), CPU_REG_MSR("cstar", K8_CSTAR, U64, g_aCpumRegFields_cstar ), CPU_REG_MSR("msr_fs_base", K8_FS_BASE, U64, NULL ), CPU_REG_MSR("msr_gs_base", K8_GS_BASE, U64, NULL ), CPU_REG_MSR("krnl_gs_base", K8_KERNEL_GS_BASE, U64, NULL ), CPU_REG_MSR("lstar", K8_LSTAR, U64, g_aCpumRegFields_lstar ), CPU_REG_MSR("sf_mask", K8_SF_MASK, U64, NULL ), CPU_REG_MSR("tsc_aux", K8_TSC_AUX, U64, NULL ), CPU_REG_EX_AS("ah", AH, U8, RT_OFFSETOF(CPUMCPU, Guest.rax) + 1, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_EX_AS("ch", CH, U8, RT_OFFSETOF(CPUMCPU, Guest.rcx) + 1, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_EX_AS("dh", DH, U8, RT_OFFSETOF(CPUMCPU, Guest.rdx) + 1, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_EX_AS("bh", BH, U8, RT_OFFSETOF(CPUMCPU, Guest.rbx) + 1, cpumR3RegGet_Generic, cpumR3RegSet_Generic, NULL, NULL ), CPU_REG_RW_AS("gdtr", GDTR, DTR, gdtr, cpumR3RegGet_gdtr, cpumR3RegSet_gdtr, NULL, NULL ), CPU_REG_RW_AS("idtr", IDTR, DTR, idtr, cpumR3RegGet_idtr, cpumR3RegSet_idtr, NULL, NULL ), DBGFREGDESC_TERMINATOR() #undef CPU_REG_RW_AS #undef CPU_REG_RO_AS #undef CPU_REG_MSR #undef CPU_REG_ST }; /** * Initializes the debugger related sides of the CPUM component. * * Called by CPUMR3Init. * * @returns VBox status code. * @param pVM The cross context VM structure. */ int cpumR3DbgInit(PVM pVM) { for (VMCPUID idCpu = 0; idCpu < pVM->cCpus; idCpu++) { int rc = DBGFR3RegRegisterCpu(pVM, pVM->apCpusR3[idCpu], g_aCpumRegGstDescs, true /*fGuestRegs*/); AssertLogRelRCReturn(rc, rc); } return VINF_SUCCESS; }